*rename

30 files changed, 0 insertions, 9837 deletions

diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_msctf.h b/Source/3rdParty/SDL2/src/video/windows/SDL_msctf.h
deleted file mode 100644
index 53cec3d..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_msctf.h
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-
-#ifndef SDL_msctf_h_
-#define SDL_msctf_h_
-
-#include <unknwn.h>
-
-#define     TF_INVALID_COOKIE               (0xffffffff)
-#define     TF_IPSINK_FLAG_ACTIVE           0x0001
-#define     TF_TMAE_UIELEMENTENABLEDONLY    0x00000004
-
-typedef struct ITfThreadMgr ITfThreadMgr;
-typedef struct ITfDocumentMgr ITfDocumentMgr;
-typedef struct ITfClientId ITfClientId;
-
-typedef struct IEnumTfDocumentMgrs IEnumTfDocumentMgrs;
-typedef struct IEnumTfFunctionProviders IEnumTfFunctionProviders;
-typedef struct ITfFunctionProvider ITfFunctionProvider;
-typedef struct ITfCompartmentMgr ITfCompartmentMgr;
-typedef struct ITfContext ITfContext;
-typedef struct IEnumTfContexts IEnumTfContexts;
-typedef struct ITfUIElementSink ITfUIElementSink;
-typedef struct ITfUIElement ITfUIElement;
-typedef struct ITfUIElementMgr ITfUIElementMgr;
-typedef struct IEnumTfUIElements IEnumTfUIElements;
-typedef struct ITfThreadMgrEx ITfThreadMgrEx;
-typedef struct ITfCandidateListUIElement ITfCandidateListUIElement;
-typedef struct ITfReadingInformationUIElement ITfReadingInformationUIElement;
-typedef struct ITfInputProcessorProfileActivationSink ITfInputProcessorProfileActivationSink;
-typedef struct ITfSource ITfSource;
-
-typedef DWORD TfClientId;
-typedef DWORD TfEditCookie;
-
-typedef struct ITfThreadMgrVtbl
-{
-    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfThreadMgr *, REFIID, void **);
-    ULONG (STDMETHODCALLTYPE *AddRef)(ITfThreadMgr *);
-    ULONG (STDMETHODCALLTYPE *Release)(ITfThreadMgr *);
-    HRESULT (STDMETHODCALLTYPE *Activate)(ITfThreadMgr *, TfClientId *);
-    HRESULT (STDMETHODCALLTYPE *Deactivate)(ITfThreadMgr *);
-    HRESULT (STDMETHODCALLTYPE *CreateDocumentMgr)(ITfThreadMgr *);
-    HRESULT (STDMETHODCALLTYPE *EnumDocumentMgrs)(ITfThreadMgr *, IEnumTfDocumentMgrs **);
-    HRESULT (STDMETHODCALLTYPE *GetFocus)(ITfThreadMgr *, ITfDocumentMgr **);
-    HRESULT (STDMETHODCALLTYPE *SetFocus)(ITfThreadMgr *, ITfDocumentMgr *);
-    HRESULT (STDMETHODCALLTYPE *AssociateFocus)(ITfThreadMgr *, HWND, ITfDocumentMgr *, ITfDocumentMgr **);
-    HRESULT (STDMETHODCALLTYPE *IsThreadFocus)(ITfThreadMgr *, BOOL *);
-    HRESULT (STDMETHODCALLTYPE *GetFunctionProvider)(ITfThreadMgr *, REFCLSID, ITfFunctionProvider **);
-    HRESULT (STDMETHODCALLTYPE *EnumFunctionProviders)(ITfThreadMgr *, IEnumTfFunctionProviders **);
-    HRESULT (STDMETHODCALLTYPE *GetGlobalCompartment)(ITfThreadMgr *, ITfCompartmentMgr **);
-} ITfThreadMgrVtbl;
-
-struct ITfThreadMgr
-{
-    const struct ITfThreadMgrVtbl *lpVtbl;
-};
-
-typedef struct ITfThreadMgrExVtbl
-{
-    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfThreadMgrEx *, REFIID, void **);
-    ULONG (STDMETHODCALLTYPE *AddRef)(ITfThreadMgrEx *);
-    ULONG (STDMETHODCALLTYPE *Release)(ITfThreadMgrEx *);
-    HRESULT (STDMETHODCALLTYPE *Activate)(ITfThreadMgrEx *, TfClientId *);
-    HRESULT (STDMETHODCALLTYPE *Deactivate)(ITfThreadMgrEx *);
-    HRESULT (STDMETHODCALLTYPE *CreateDocumentMgr)(ITfThreadMgrEx *, ITfDocumentMgr **);
-    HRESULT (STDMETHODCALLTYPE *EnumDocumentMgrs)(ITfThreadMgrEx *, IEnumTfDocumentMgrs **);
-    HRESULT (STDMETHODCALLTYPE *GetFocus)(ITfThreadMgrEx *, ITfDocumentMgr **);
-    HRESULT (STDMETHODCALLTYPE *SetFocus)(ITfThreadMgrEx *, ITfDocumentMgr *);
-    HRESULT (STDMETHODCALLTYPE *AssociateFocus)(ITfThreadMgrEx *, ITfDocumentMgr *, ITfDocumentMgr **);
-    HRESULT (STDMETHODCALLTYPE *IsThreadFocus)(ITfThreadMgrEx *, BOOL *);
-    HRESULT (STDMETHODCALLTYPE *GetFunctionProvider)(ITfThreadMgrEx *, REFCLSID, ITfFunctionProvider **);
-    HRESULT (STDMETHODCALLTYPE *EnumFunctionProviders)(ITfThreadMgrEx *, IEnumTfFunctionProviders **);
-    HRESULT (STDMETHODCALLTYPE *GetGlobalCompartment)(ITfThreadMgrEx *, ITfCompartmentMgr **);
-    HRESULT (STDMETHODCALLTYPE *ActivateEx)(ITfThreadMgrEx *, TfClientId *, DWORD);
-    HRESULT (STDMETHODCALLTYPE *GetActiveFlags)(ITfThreadMgrEx *, DWORD *);
-} ITfThreadMgrExVtbl;
-
-struct ITfThreadMgrEx
-{
-    const struct ITfThreadMgrExVtbl *lpVtbl;
-};
-
-typedef struct ITfDocumentMgrVtbl
-{
-    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfDocumentMgr *, REFIID, void **);
-    ULONG (STDMETHODCALLTYPE *AddRef)(ITfDocumentMgr *);
-    ULONG (STDMETHODCALLTYPE *Release)(ITfDocumentMgr *);
-    HRESULT (STDMETHODCALLTYPE *CreateContext)(ITfDocumentMgr *, TfClientId, DWORD, IUnknown *, ITfContext **, TfEditCookie *);
-    HRESULT (STDMETHODCALLTYPE *Push)(ITfDocumentMgr *, ITfContext *);
-    HRESULT (STDMETHODCALLTYPE *Pop)(ITfDocumentMgr *);
-    HRESULT (STDMETHODCALLTYPE *GetTop)(ITfDocumentMgr *, ITfContext **);
-    HRESULT (STDMETHODCALLTYPE *GetBase)(ITfDocumentMgr *, ITfContext **);
-    HRESULT (STDMETHODCALLTYPE *EnumContexts)(ITfDocumentMgr *, IEnumTfContexts **);
-} ITfDocumentMgrVtbl;
-
-struct ITfDocumentMgr
-{
-    const struct ITfDocumentMgrVtbl *lpVtbl;
-};
-
-typedef struct ITfUIElementSinkVtbl
-{
-    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfUIElementSink *, REFIID, void **);
-    ULONG (STDMETHODCALLTYPE *AddRef)(ITfUIElementSink *);
-    ULONG (STDMETHODCALLTYPE *Release)(ITfUIElementSink *);
-    HRESULT (STDMETHODCALLTYPE *BeginUIElement)(ITfUIElementSink *, DWORD, BOOL *);
-    HRESULT (STDMETHODCALLTYPE *UpdateUIElement)(ITfUIElementSink *, DWORD);
-    HRESULT (STDMETHODCALLTYPE *EndUIElement)(ITfUIElementSink *, DWORD);
-} ITfUIElementSinkVtbl;
-
-struct ITfUIElementSink
-{
-    const struct ITfUIElementSinkVtbl *lpVtbl;
-};
-
-typedef struct ITfUIElementMgrVtbl
-{
-    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfUIElementMgr *, REFIID, void **);
-    ULONG (STDMETHODCALLTYPE *AddRef)(ITfUIElementMgr *);
-    ULONG (STDMETHODCALLTYPE *Release)(ITfUIElementMgr *);
-    HRESULT (STDMETHODCALLTYPE *BeginUIElement)(ITfUIElementMgr *, ITfUIElement *, BOOL *, DWORD *);
-    HRESULT (STDMETHODCALLTYPE *UpdateUIElement)(ITfUIElementMgr *, DWORD);
-    HRESULT (STDMETHODCALLTYPE *EndUIElement)(ITfUIElementMgr *, DWORD);
-    HRESULT (STDMETHODCALLTYPE *GetUIElement)(ITfUIElementMgr *, DWORD, ITfUIElement **);
-    HRESULT (STDMETHODCALLTYPE *EnumUIElements)(ITfUIElementMgr *, IEnumTfUIElements **);
-} ITfUIElementMgrVtbl;
-
-struct ITfUIElementMgr
-{
-    const struct ITfUIElementMgrVtbl *lpVtbl;
-};
-
-typedef struct ITfCandidateListUIElementVtbl
-{
-    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfCandidateListUIElement *, REFIID, void **);
-    ULONG (STDMETHODCALLTYPE *AddRef)(ITfCandidateListUIElement *);
-    ULONG (STDMETHODCALLTYPE *Release)(ITfCandidateListUIElement *);
-    HRESULT (STDMETHODCALLTYPE *GetDescription)(ITfCandidateListUIElement *, BSTR *);
-    HRESULT (STDMETHODCALLTYPE *GetGUID)(ITfCandidateListUIElement *, GUID *);
-    HRESULT (STDMETHODCALLTYPE *Show)(ITfCandidateListUIElement *, BOOL);
-    HRESULT (STDMETHODCALLTYPE *IsShown)(ITfCandidateListUIElement *, BOOL *);
-    HRESULT (STDMETHODCALLTYPE *GetUpdatedFlags)(ITfCandidateListUIElement *, DWORD *);
-    HRESULT (STDMETHODCALLTYPE *GetDocumentMgr)(ITfCandidateListUIElement *, ITfDocumentMgr **);
-    HRESULT (STDMETHODCALLTYPE *GetCount)(ITfCandidateListUIElement *, UINT *);
-    HRESULT (STDMETHODCALLTYPE *GetSelection)(ITfCandidateListUIElement *, UINT *);
-    HRESULT (STDMETHODCALLTYPE *GetString)(ITfCandidateListUIElement *, UINT, BSTR *);
-    HRESULT (STDMETHODCALLTYPE *GetPageIndex)(ITfCandidateListUIElement *, UINT *, UINT, UINT *);
-    HRESULT (STDMETHODCALLTYPE *SetPageIndex)(ITfCandidateListUIElement *, UINT *, UINT);
-    HRESULT (STDMETHODCALLTYPE *GetCurrentPage)(ITfCandidateListUIElement *, UINT *);
-} ITfCandidateListUIElementVtbl;
-
-struct ITfCandidateListUIElement
-{
-    const struct ITfCandidateListUIElementVtbl *lpVtbl;
-};
-
-typedef struct ITfReadingInformationUIElementVtbl
-{
-    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfReadingInformationUIElement *, REFIID, void **);
-    ULONG (STDMETHODCALLTYPE *AddRef)(ITfReadingInformationUIElement *);
-    ULONG (STDMETHODCALLTYPE *Release)(ITfReadingInformationUIElement *);
-    HRESULT (STDMETHODCALLTYPE *GetDescription)(ITfReadingInformationUIElement *, BSTR *);
-    HRESULT (STDMETHODCALLTYPE *GetGUID)(ITfReadingInformationUIElement *, GUID *);
-    HRESULT (STDMETHODCALLTYPE *Show)(ITfReadingInformationUIElement *, BOOL);
-    HRESULT (STDMETHODCALLTYPE *IsShown)(ITfReadingInformationUIElement *, BOOL *);
-    HRESULT (STDMETHODCALLTYPE *GetUpdatedFlags)(ITfReadingInformationUIElement *, DWORD *);
-    HRESULT (STDMETHODCALLTYPE *GetContext)(ITfReadingInformationUIElement *, ITfContext **);
-    HRESULT (STDMETHODCALLTYPE *GetString)(ITfReadingInformationUIElement *, BSTR *);
-    HRESULT (STDMETHODCALLTYPE *GetMaxReadingStringLength)(ITfReadingInformationUIElement *, UINT *);
-    HRESULT (STDMETHODCALLTYPE *GetErrorIndex)(ITfReadingInformationUIElement *, UINT *);
-    HRESULT (STDMETHODCALLTYPE *IsVerticalOrderPreferred)(ITfReadingInformationUIElement *, BOOL *);
-} ITfReadingInformationUIElementVtbl;
-
-struct ITfReadingInformationUIElement
-{
-    const struct ITfReadingInformationUIElementVtbl *lpVtbl;
-};
-
-typedef struct ITfUIElementVtbl
-{
-    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfUIElement *, REFIID, void **);
-    ULONG (STDMETHODCALLTYPE *AddRef)(ITfUIElement *);
-    ULONG (STDMETHODCALLTYPE *Release)(ITfUIElement *);
-    HRESULT (STDMETHODCALLTYPE *GetDescription)(ITfUIElement *, BSTR *);
-    HRESULT (STDMETHODCALLTYPE *GetGUID)(ITfUIElement *, GUID *);
-    HRESULT (STDMETHODCALLTYPE *Show)(ITfUIElement *, BOOL);
-    HRESULT (STDMETHODCALLTYPE *IsShown)(ITfUIElement *, BOOL *);
-} ITfUIElementVtbl;
-
-struct ITfUIElement
-{
-    const struct ITfUIElementVtbl *lpVtbl;
-};
-
-typedef struct ITfInputProcessorProfileActivationSinkVtbl
-{
-    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfInputProcessorProfileActivationSink *, REFIID, void **);
-    ULONG (STDMETHODCALLTYPE *AddRef)(ITfInputProcessorProfileActivationSink *);
-    ULONG (STDMETHODCALLTYPE *Release)(ITfInputProcessorProfileActivationSink *);
-    HRESULT (STDMETHODCALLTYPE *OnActivated)(ITfInputProcessorProfileActivationSink *, DWORD, LANGID, REFCLSID, REFGUID, REFGUID, HKL, DWORD);
-
-} ITfInputProcessorProfileActivationSinkVtbl;
-
-struct ITfInputProcessorProfileActivationSink
-{
-    const struct ITfInputProcessorProfileActivationSinkVtbl *lpVtbl;
-};
-
-typedef struct ITfSourceVtbl
-{
-    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfSource *, REFIID, void **);
-    ULONG (STDMETHODCALLTYPE *AddRef)(ITfSource *);
-    ULONG (STDMETHODCALLTYPE *Release)(ITfSource *);
-    HRESULT (STDMETHODCALLTYPE *AdviseSink)(ITfSource *, REFIID, IUnknown *, DWORD *);
-    HRESULT (STDMETHODCALLTYPE *UnadviseSink)(ITfSource *, DWORD);
-} ITfSourceVtbl;
-
-struct ITfSource
-{
-    const struct ITfSourceVtbl *lpVtbl;
-};
-
-#endif /* SDL_msctf_h_ */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_vkeys.h b/Source/3rdParty/SDL2/src/video/windows/SDL_vkeys.h
deleted file mode 100644
index a38e3a2..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_vkeys.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-
-#ifndef VK_0
-#define VK_0    '0'
-#define VK_1    '1'
-#define VK_2    '2'
-#define VK_3    '3'
-#define VK_4    '4'
-#define VK_5    '5'
-#define VK_6    '6'
-#define VK_7    '7'
-#define VK_8    '8'
-#define VK_9    '9'
-#define VK_A    'A'
-#define VK_B    'B'
-#define VK_C    'C'
-#define VK_D    'D'
-#define VK_E    'E'
-#define VK_F    'F'
-#define VK_G    'G'
-#define VK_H    'H'
-#define VK_I    'I'
-#define VK_J    'J'
-#define VK_K    'K'
-#define VK_L    'L'
-#define VK_M    'M'
-#define VK_N    'N'
-#define VK_O    'O'
-#define VK_P    'P'
-#define VK_Q    'Q'
-#define VK_R    'R'
-#define VK_S    'S'
-#define VK_T    'T'
-#define VK_U    'U'
-#define VK_V    'V'
-#define VK_W    'W'
-#define VK_X    'X'
-#define VK_Y    'Y'
-#define VK_Z    'Z'
-#endif /* VK_0 */
-
-/* These keys haven't been defined, but were experimentally determined */
-#define VK_SEMICOLON    0xBA
-#define VK_EQUALS       0xBB
-#define VK_COMMA        0xBC
-#define VK_MINUS        0xBD
-#define VK_PERIOD       0xBE
-#define VK_SLASH        0xBF
-#define VK_GRAVE        0xC0
-#define VK_LBRACKET     0xDB
-#define VK_BACKSLASH    0xDC
-#define VK_RBRACKET     0xDD
-#define VK_APOSTROPHE   0xDE
-#define VK_BACKTICK     0xDF
-#define VK_OEM_102      0xE2
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsclipboard.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsclipboard.c
deleted file mode 100644
index 4e61d7a..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsclipboard.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_DRIVER_WINDOWS
-
-#include "SDL_windowsvideo.h"
-#include "SDL_windowswindow.h"
-#include "../../events/SDL_clipboardevents_c.h"
-
-
-#ifdef UNICODE
-#define TEXT_FORMAT  CF_UNICODETEXT
-#else
-#define TEXT_FORMAT  CF_TEXT
-#endif
-
-
-/* Get any application owned window handle for clipboard association */
-static HWND
-GetWindowHandle(_THIS)
-{
-    SDL_Window *window;
-
-    window = _this->windows;
-    if (window) {
-        return ((SDL_WindowData *) window->driverdata)->hwnd;
-    }
-    return NULL;
-}
-
-int
-WIN_SetClipboardText(_THIS, const char *text)
-{
-    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
-    int result = 0;
-
-    if (OpenClipboard(GetWindowHandle(_this))) {
-        HANDLE hMem;
-        LPTSTR tstr;
-        SIZE_T i, size;
-
-        /* Convert the text from UTF-8 to Windows Unicode */
-        tstr = WIN_UTF8ToString(text);
-        if (!tstr) {
-            return -1;
-        }
-
-        /* Find out the size of the data */
-        for (size = 0, i = 0; tstr[i]; ++i, ++size) {
-            if (tstr[i] == '\n' && (i == 0 || tstr[i-1] != '\r')) {
-                /* We're going to insert a carriage return */
-                ++size;
-            }
-        }
-        size = (size+1)*sizeof(*tstr);
-
-        /* Save the data to the clipboard */
-        hMem = GlobalAlloc(GMEM_MOVEABLE, size);
-        if (hMem) {
-            LPTSTR dst = (LPTSTR)GlobalLock(hMem);
-            if (dst) {
-                /* Copy the text over, adding carriage returns as necessary */
-                for (i = 0; tstr[i]; ++i) {
-                    if (tstr[i] == '\n' && (i == 0 || tstr[i-1] != '\r')) {
-                        *dst++ = '\r';
-                    }
-                    *dst++ = tstr[i];
-                }
-                *dst = 0;
-                GlobalUnlock(hMem);
-            }
-
-            EmptyClipboard();
-            if (!SetClipboardData(TEXT_FORMAT, hMem)) {
-                result = WIN_SetError("Couldn't set clipboard data");
-            }
-            data->clipboard_count = GetClipboardSequenceNumber();
-        }
-        SDL_free(tstr);
-
-        CloseClipboard();
-    } else {
-        result = WIN_SetError("Couldn't open clipboard");
-    }
-    return result;
-}
-
-char *
-WIN_GetClipboardText(_THIS)
-{
-    char *text;
-
-    text = NULL;
-    if (IsClipboardFormatAvailable(TEXT_FORMAT) &&
-        OpenClipboard(GetWindowHandle(_this))) {
-        HANDLE hMem;
-        LPTSTR tstr;
-
-        hMem = GetClipboardData(TEXT_FORMAT);
-        if (hMem) {
-            tstr = (LPTSTR)GlobalLock(hMem);
-            text = WIN_StringToUTF8(tstr);
-            GlobalUnlock(hMem);
-        } else {
-            WIN_SetError("Couldn't get clipboard data");
-        }
-        CloseClipboard();
-    }
-    if (!text) {
-        text = SDL_strdup("");
-    }
-    return text;
-}
-
-SDL_bool
-WIN_HasClipboardText(_THIS)
-{
-    SDL_bool result = SDL_FALSE;
-    char *text = WIN_GetClipboardText(_this);
-    if (text) {
-        result = text[0] != '\0' ? SDL_TRUE : SDL_FALSE;
-        SDL_free(text);
-    }
-    return result;
-}
-
-void
-WIN_CheckClipboardUpdate(struct SDL_VideoData * data)
-{
-    const DWORD count = GetClipboardSequenceNumber();
-    if (count != data->clipboard_count) {
-        if (data->clipboard_count) {
-            SDL_SendClipboardUpdate();
-        }
-        data->clipboard_count = count;
-    }
-}
-
-#endif /* SDL_VIDEO_DRIVER_WINDOWS */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsclipboard.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsclipboard.h
deleted file mode 100644
index 937b7d0..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsclipboard.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#ifndef SDL_windowsclipboard_h_
-#define SDL_windowsclipboard_h_
-
-/* Forward declaration */
-struct SDL_VideoData;
-
-extern int WIN_SetClipboardText(_THIS, const char *text);
-extern char *WIN_GetClipboardText(_THIS);
-extern SDL_bool WIN_HasClipboardText(_THIS);
-extern void WIN_CheckClipboardUpdate(struct SDL_VideoData * data);
-
-#endif /* SDL_windowsclipboard_h_ */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsevents.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsevents.c
deleted file mode 100644
index e961cf5..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsevents.c
+++ /dev/null
@@ -1,1236 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_DRIVER_WINDOWS
-
-#include "SDL_windowsvideo.h"
-#include "SDL_windowsshape.h"
-#include "SDL_system.h"
-#include "SDL_syswm.h"
-#include "SDL_timer.h"
-#include "SDL_vkeys.h"
-#include "SDL_hints.h"
-#include "../../events/SDL_events_c.h"
-#include "../../events/SDL_touch_c.h"
-#include "../../events/scancodes_windows.h"
-#include "SDL_assert.h"
-#include "SDL_hints.h"
-
-/* Dropfile support */
-#include <shellapi.h>
-
-/* For GET_X_LPARAM, GET_Y_LPARAM. */
-#include <windowsx.h>
-
-/* #define WMMSG_DEBUG */
-#ifdef WMMSG_DEBUG
-#include <stdio.h>
-#include "wmmsg.h"
-#endif
-
-/* For processing mouse WM_*BUTTON* and WM_MOUSEMOVE message-data from GetMessageExtraInfo() */
-#define MOUSEEVENTF_FROMTOUCH 0xFF515700
-
-/* Masks for processing the windows KEYDOWN and KEYUP messages */
-#define REPEATED_KEYMASK    (1<<30)
-#define EXTENDED_KEYMASK    (1<<24)
-
-#define VK_ENTER    10          /* Keypad Enter ... no VKEY defined? */
-#ifndef VK_OEM_NEC_EQUAL
-#define VK_OEM_NEC_EQUAL 0x92
-#endif
-
-/* Make sure XBUTTON stuff is defined that isn't in older Platform SDKs... */
-#ifndef WM_XBUTTONDOWN
-#define WM_XBUTTONDOWN 0x020B
-#endif
-#ifndef WM_XBUTTONUP
-#define WM_XBUTTONUP 0x020C
-#endif
-#ifndef GET_XBUTTON_WPARAM
-#define GET_XBUTTON_WPARAM(w) (HIWORD(w))
-#endif
-#ifndef WM_INPUT
-#define WM_INPUT 0x00ff
-#endif
-#ifndef WM_TOUCH
-#define WM_TOUCH 0x0240
-#endif
-#ifndef WM_MOUSEHWHEEL
-#define WM_MOUSEHWHEEL 0x020E
-#endif
-#ifndef WM_UNICHAR
-#define WM_UNICHAR 0x0109
-#endif
-
-static SDL_Scancode
-VKeytoScancode(WPARAM vkey)
-{
-    switch (vkey) {
-    case VK_CLEAR: return SDL_SCANCODE_CLEAR;
-    case VK_MODECHANGE: return SDL_SCANCODE_MODE;
-    case VK_SELECT: return SDL_SCANCODE_SELECT;
-    case VK_EXECUTE: return SDL_SCANCODE_EXECUTE;
-    case VK_HELP: return SDL_SCANCODE_HELP;
-    case VK_PAUSE: return SDL_SCANCODE_PAUSE;
-    case VK_NUMLOCK: return SDL_SCANCODE_NUMLOCKCLEAR;
-
-    case VK_F13: return SDL_SCANCODE_F13;
-    case VK_F14: return SDL_SCANCODE_F14;
-    case VK_F15: return SDL_SCANCODE_F15;
-    case VK_F16: return SDL_SCANCODE_F16;
-    case VK_F17: return SDL_SCANCODE_F17;
-    case VK_F18: return SDL_SCANCODE_F18;
-    case VK_F19: return SDL_SCANCODE_F19;
-    case VK_F20: return SDL_SCANCODE_F20;
-    case VK_F21: return SDL_SCANCODE_F21;
-    case VK_F22: return SDL_SCANCODE_F22;
-    case VK_F23: return SDL_SCANCODE_F23;
-    case VK_F24: return SDL_SCANCODE_F24;
-
-    case VK_OEM_NEC_EQUAL: return SDL_SCANCODE_KP_EQUALS;
-    case VK_BROWSER_BACK: return SDL_SCANCODE_AC_BACK;
-    case VK_BROWSER_FORWARD: return SDL_SCANCODE_AC_FORWARD;
-    case VK_BROWSER_REFRESH: return SDL_SCANCODE_AC_REFRESH;
-    case VK_BROWSER_STOP: return SDL_SCANCODE_AC_STOP;
-    case VK_BROWSER_SEARCH: return SDL_SCANCODE_AC_SEARCH;
-    case VK_BROWSER_FAVORITES: return SDL_SCANCODE_AC_BOOKMARKS;
-    case VK_BROWSER_HOME: return SDL_SCANCODE_AC_HOME;
-    case VK_VOLUME_MUTE: return SDL_SCANCODE_AUDIOMUTE;
-    case VK_VOLUME_DOWN: return SDL_SCANCODE_VOLUMEDOWN;
-    case VK_VOLUME_UP: return SDL_SCANCODE_VOLUMEUP;
-
-    case VK_MEDIA_NEXT_TRACK: return SDL_SCANCODE_AUDIONEXT;
-    case VK_MEDIA_PREV_TRACK: return SDL_SCANCODE_AUDIOPREV;
-    case VK_MEDIA_STOP: return SDL_SCANCODE_AUDIOSTOP;
-    case VK_MEDIA_PLAY_PAUSE: return SDL_SCANCODE_AUDIOPLAY;
-    case VK_LAUNCH_MAIL: return SDL_SCANCODE_MAIL;
-    case VK_LAUNCH_MEDIA_SELECT: return SDL_SCANCODE_MEDIASELECT;
-
-    case VK_OEM_102: return SDL_SCANCODE_NONUSBACKSLASH;
-
-    case VK_ATTN: return SDL_SCANCODE_SYSREQ;
-    case VK_CRSEL: return SDL_SCANCODE_CRSEL;
-    case VK_EXSEL: return SDL_SCANCODE_EXSEL;
-    case VK_OEM_CLEAR: return SDL_SCANCODE_CLEAR;
-
-    case VK_LAUNCH_APP1: return SDL_SCANCODE_APP1;
-    case VK_LAUNCH_APP2: return SDL_SCANCODE_APP2;
-
-    default: return SDL_SCANCODE_UNKNOWN;
-    }
-}
-
-static SDL_Scancode
-WindowsScanCodeToSDLScanCode(LPARAM lParam, WPARAM wParam)
-{
-    SDL_Scancode code;
-    int nScanCode = (lParam >> 16) & 0xFF;
-    SDL_bool bIsExtended = (lParam & (1 << 24)) != 0;
-
-    code = VKeytoScancode(wParam);
-
-    if (code == SDL_SCANCODE_UNKNOWN && nScanCode <= 127) {
-        code = windows_scancode_table[nScanCode];
-
-        if (bIsExtended) {
-            switch (code) {
-            case SDL_SCANCODE_RETURN:
-                code = SDL_SCANCODE_KP_ENTER;
-                break;
-            case SDL_SCANCODE_LALT:
-                code = SDL_SCANCODE_RALT;
-                break;
-            case SDL_SCANCODE_LCTRL:
-                code = SDL_SCANCODE_RCTRL;
-                break;
-            case SDL_SCANCODE_SLASH:
-                code = SDL_SCANCODE_KP_DIVIDE;
-                break;
-            case SDL_SCANCODE_CAPSLOCK:
-                code = SDL_SCANCODE_KP_PLUS;
-                break;
-            default:
-                break;
-            }
-        } else {
-            switch (code) {
-            case SDL_SCANCODE_HOME:
-                code = SDL_SCANCODE_KP_7;
-                break;
-            case SDL_SCANCODE_UP:
-                code = SDL_SCANCODE_KP_8;
-                break;
-            case SDL_SCANCODE_PAGEUP:
-                code = SDL_SCANCODE_KP_9;
-                break;
-            case SDL_SCANCODE_LEFT:
-                code = SDL_SCANCODE_KP_4;
-                break;
-            case SDL_SCANCODE_RIGHT:
-                code = SDL_SCANCODE_KP_6;
-                break;
-            case SDL_SCANCODE_END:
-                code = SDL_SCANCODE_KP_1;
-                break;
-            case SDL_SCANCODE_DOWN:
-                code = SDL_SCANCODE_KP_2;
-                break;
-            case SDL_SCANCODE_PAGEDOWN:
-                code = SDL_SCANCODE_KP_3;
-                break;
-            case SDL_SCANCODE_INSERT:
-                code = SDL_SCANCODE_KP_0;
-                break;
-            case SDL_SCANCODE_DELETE:
-                code = SDL_SCANCODE_KP_PERIOD;
-                break;
-            case SDL_SCANCODE_PRINTSCREEN:
-                code = SDL_SCANCODE_KP_MULTIPLY;
-                break;
-            default:
-                break;
-            }
-        }
-    }
-    return code;
-}
-
-static SDL_bool
-WIN_ShouldIgnoreFocusClick()
-{
-    return !SDL_GetHintBoolean(SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH, SDL_FALSE);
-}
-
-static void
-WIN_CheckWParamMouseButton(SDL_bool bwParamMousePressed, SDL_bool bSDLMousePressed, SDL_WindowData *data, Uint8 button, SDL_MouseID mouseID)
-{
-    if (data->focus_click_pending & SDL_BUTTON(button)) {
-        /* Ignore the button click for activation */
-        if (!bwParamMousePressed) {
-            data->focus_click_pending &= ~SDL_BUTTON(button);
-            WIN_UpdateClipCursor(data->window);
-        }
-        if (WIN_ShouldIgnoreFocusClick()) {
-            return;
-        }
-    }
-
-    if (bwParamMousePressed && !bSDLMousePressed) {
-        SDL_SendMouseButton(data->window, mouseID, SDL_PRESSED, button);
-    } else if (!bwParamMousePressed && bSDLMousePressed) {
-        SDL_SendMouseButton(data->window, mouseID, SDL_RELEASED, button);
-    }
-}
-
-/*
-* Some windows systems fail to send a WM_LBUTTONDOWN sometimes, but each mouse move contains the current button state also
-*  so this funciton reconciles our view of the world with the current buttons reported by windows
-*/
-static void
-WIN_CheckWParamMouseButtons(WPARAM wParam, SDL_WindowData *data, SDL_MouseID mouseID)
-{
-    if (wParam != data->mouse_button_flags) {
-        Uint32 mouseFlags = SDL_GetMouseState(NULL, NULL);
-        WIN_CheckWParamMouseButton((wParam & MK_LBUTTON), (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, mouseID);
-        WIN_CheckWParamMouseButton((wParam & MK_MBUTTON), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, mouseID);
-        WIN_CheckWParamMouseButton((wParam & MK_RBUTTON), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, mouseID);
-        WIN_CheckWParamMouseButton((wParam & MK_XBUTTON1), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, mouseID);
-        WIN_CheckWParamMouseButton((wParam & MK_XBUTTON2), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, mouseID);
-        data->mouse_button_flags = wParam;
-    }
-}
-
-
-static void
-WIN_CheckRawMouseButtons(ULONG rawButtons, SDL_WindowData *data)
-{
-    if (rawButtons != data->mouse_button_flags) {
-        Uint32 mouseFlags = SDL_GetMouseState(NULL, NULL);
-        if ((rawButtons & RI_MOUSE_BUTTON_1_DOWN))
-            WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_1_DOWN), (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, 0);
-        if ((rawButtons & RI_MOUSE_BUTTON_1_UP))
-            WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_1_UP), (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, 0);
-        if ((rawButtons & RI_MOUSE_BUTTON_2_DOWN))
-            WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_2_DOWN), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, 0);
-        if ((rawButtons & RI_MOUSE_BUTTON_2_UP))
-            WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_2_UP), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, 0);
-        if ((rawButtons & RI_MOUSE_BUTTON_3_DOWN))
-            WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_3_DOWN), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, 0);
-        if ((rawButtons & RI_MOUSE_BUTTON_3_UP))
-            WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_3_UP), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, 0);
-        if ((rawButtons & RI_MOUSE_BUTTON_4_DOWN))
-            WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_4_DOWN), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, 0);
-        if ((rawButtons & RI_MOUSE_BUTTON_4_UP))
-            WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_4_UP), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, 0);
-        if ((rawButtons & RI_MOUSE_BUTTON_5_DOWN))
-            WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_5_DOWN), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, 0);
-        if ((rawButtons & RI_MOUSE_BUTTON_5_UP))
-            WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_5_UP), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, 0);
-        data->mouse_button_flags = rawButtons;
-    }
-}
-
-static void
-WIN_CheckAsyncMouseRelease(SDL_WindowData *data)
-{
-    Uint32 mouseFlags;
-    SHORT keyState;
-
-    /* mouse buttons may have changed state here, we need to resync them,
-       but we will get a WM_MOUSEMOVE right away which will fix things up if in non raw mode also
-    */
-    mouseFlags = SDL_GetMouseState(NULL, NULL);
-
-    keyState = GetAsyncKeyState(VK_LBUTTON);
-    if (!(keyState & 0x8000)) {
-        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, 0);
-    }
-    keyState = GetAsyncKeyState(VK_RBUTTON);
-    if (!(keyState & 0x8000)) {
-        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, 0);
-    }
-    keyState = GetAsyncKeyState(VK_MBUTTON);
-    if (!(keyState & 0x8000)) {
-        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, 0);
-    }
-    keyState = GetAsyncKeyState(VK_XBUTTON1);
-    if (!(keyState & 0x8000)) {
-        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, 0);
-    }
-    keyState = GetAsyncKeyState(VK_XBUTTON2);
-    if (!(keyState & 0x8000)) {
-        WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, 0);
-    }
-    data->mouse_button_flags = 0;
-}
-
-static BOOL
-WIN_ConvertUTF32toUTF8(UINT32 codepoint, char * text)
-{
-    if (codepoint <= 0x7F) {
-        text[0] = (char) codepoint;
-        text[1] = '\0';
-    } else if (codepoint <= 0x7FF) {
-        text[0] = 0xC0 | (char) ((codepoint >> 6) & 0x1F);
-        text[1] = 0x80 | (char) (codepoint & 0x3F);
-        text[2] = '\0';
-    } else if (codepoint <= 0xFFFF) {
-        text[0] = 0xE0 | (char) ((codepoint >> 12) & 0x0F);
-        text[1] = 0x80 | (char) ((codepoint >> 6) & 0x3F);
-        text[2] = 0x80 | (char) (codepoint & 0x3F);
-        text[3] = '\0';
-    } else if (codepoint <= 0x10FFFF) {
-        text[0] = 0xF0 | (char) ((codepoint >> 18) & 0x0F);
-        text[1] = 0x80 | (char) ((codepoint >> 12) & 0x3F);
-        text[2] = 0x80 | (char) ((codepoint >> 6) & 0x3F);
-        text[3] = 0x80 | (char) (codepoint & 0x3F);
-        text[4] = '\0';
-    } else {
-        return SDL_FALSE;
-    }
-    return SDL_TRUE;
-}
-
-static SDL_bool
-ShouldGenerateWindowCloseOnAltF4(void)
-{
-    return !SDL_GetHintBoolean(SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4, SDL_FALSE);
-}
-
-/* Win10 "Fall Creators Update" introduced the bug that SetCursorPos() (as used by SDL_WarpMouseInWindow())
-   doesn't reliably generate WM_MOUSEMOVE events anymore (see #3931) which breaks relative mouse mode via warping.
-   This is used to implement a workaround.. */
-static SDL_bool isWin10FCUorNewer = SDL_FALSE;
-
-LRESULT CALLBACK
-WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
-{
-    SDL_WindowData *data;
-    LRESULT returnCode = -1;
-
-    /* Send a SDL_SYSWMEVENT if the application wants them */
-    if (SDL_GetEventState(SDL_SYSWMEVENT) == SDL_ENABLE) {
-        SDL_SysWMmsg wmmsg;
-
-        SDL_VERSION(&wmmsg.version);
-        wmmsg.subsystem = SDL_SYSWM_WINDOWS;
-        wmmsg.msg.win.hwnd = hwnd;
-        wmmsg.msg.win.msg = msg;
-        wmmsg.msg.win.wParam = wParam;
-        wmmsg.msg.win.lParam = lParam;
-        SDL_SendSysWMEvent(&wmmsg);
-    }
-
-    /* Get the window data for the window */
-    data = (SDL_WindowData *) GetProp(hwnd, TEXT("SDL_WindowData"));
-    if (!data) {
-        return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
-    }
-
-#ifdef WMMSG_DEBUG
-    {
-        char message[1024];
-        if (msg > MAX_WMMSG) {
-            SDL_snprintf(message, sizeof(message), "Received windows message: %p UNKNOWN (%d) -- 0x%X, 0x%X\n", hwnd, msg, wParam, lParam);
-        } else {
-            SDL_snprintf(message, sizeof(message), "Received windows message: %p %s -- 0x%X, 0x%X\n", hwnd, wmtab[msg], wParam, lParam);
-        }
-        OutputDebugStringA(message);
-    }
-#endif /* WMMSG_DEBUG */
-
-    if (IME_HandleMessage(hwnd, msg, wParam, &lParam, data->videodata))
-        return 0;
-
-    switch (msg) {
-
-    case WM_SHOWWINDOW:
-        {
-            if (wParam) {
-                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0);
-            } else {
-                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIDDEN, 0, 0);
-            }
-        }
-        break;
-
-    case WM_NCACTIVATE:
-        {
-            /* Don't immediately clip the cursor in case we're clicking minimize/maximize buttons */
-            data->skip_update_clipcursor = SDL_TRUE;
-        }
-        break;
-
-    case WM_ACTIVATE:
-        {
-            POINT cursorPos;
-            BOOL minimized;
-
-            /* Don't mark the window as shown if it's activated before being shown */
-            if (!IsWindowVisible(hwnd)) {
-                break;
-            }
-
-            minimized = HIWORD(wParam);
-            if (!minimized && (LOWORD(wParam) != WA_INACTIVE)) {
-                if (LOWORD(wParam) == WA_CLICKACTIVE) {
-                    if (GetAsyncKeyState(VK_LBUTTON)) {
-                        data->focus_click_pending |= SDL_BUTTON_LMASK;
-                    }
-                    if (GetAsyncKeyState(VK_RBUTTON)) {
-                        data->focus_click_pending |= SDL_BUTTON_RMASK;
-                    }
-                    if (GetAsyncKeyState(VK_MBUTTON)) {
-                        data->focus_click_pending |= SDL_BUTTON_MMASK;
-                    }
-                    if (GetAsyncKeyState(VK_XBUTTON1)) {
-                        data->focus_click_pending |= SDL_BUTTON_X1MASK;
-                    }
-                    if (GetAsyncKeyState(VK_XBUTTON2)) {
-                        data->focus_click_pending |= SDL_BUTTON_X2MASK;
-                    }
-                }
-                
-                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_SHOWN, 0, 0);
-                if (SDL_GetKeyboardFocus() != data->window) {
-                    SDL_SetKeyboardFocus(data->window);
-                }
-
-                GetCursorPos(&cursorPos);
-                ScreenToClient(hwnd, &cursorPos);
-                SDL_SendMouseMotion(data->window, 0, 0, cursorPos.x, cursorPos.y);
-
-                WIN_CheckAsyncMouseRelease(data);
-
-                /*
-                 * FIXME: Update keyboard state
-                 */
-                WIN_CheckClipboardUpdate(data->videodata);
-
-                SDL_ToggleModState(KMOD_CAPS, (GetKeyState(VK_CAPITAL) & 0x0001) != 0);
-                SDL_ToggleModState(KMOD_NUM, (GetKeyState(VK_NUMLOCK) & 0x0001) != 0);
-            } else {
-                RECT rect;
-
-                data->in_window_deactivation = SDL_TRUE;
-
-                if (SDL_GetKeyboardFocus() == data->window) {
-                    SDL_SetKeyboardFocus(NULL);
-                    WIN_ResetDeadKeys();
-                }
-
-                if (GetClipCursor(&rect) && SDL_memcmp(&rect, &data->cursor_clipped_rect, sizeof(rect) == 0)) {
-                    ClipCursor(NULL);
-                    SDL_zero(data->cursor_clipped_rect);
-                }
-
-                data->in_window_deactivation = SDL_FALSE;
-            }
-        }
-        returnCode = 0;
-        break;
-
-    case WM_MOUSEMOVE:
-        {
-            SDL_Mouse *mouse = SDL_GetMouse();
-            if (!mouse->relative_mode || mouse->relative_mode_warp) {
-                SDL_MouseID mouseID = (((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVENTF_FROMTOUCH) ? SDL_TOUCH_MOUSEID : 0);
-                SDL_SendMouseMotion(data->window, mouseID, 0, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
-                if (isWin10FCUorNewer && mouseID != SDL_TOUCH_MOUSEID && mouse->relative_mode_warp) {
-                    /* To work around #3931, Win10 bug introduced in Fall Creators Update, where
-                       SetCursorPos() (SDL_WarpMouseInWindow()) doesn't reliably generate mouse events anymore,
-                       after each windows mouse event generate a fake event for the middle of the window
-                       if relative_mode_warp is used */
-                    int center_x = 0, center_y = 0;
-                    SDL_GetWindowSize(data->window, &center_x, &center_y);
-                    center_x /= 2;
-                    center_y /= 2;
-                    SDL_SendMouseMotion(data->window, mouseID, 0, center_x, center_y);
-                }
-            }
-        }
-        /* don't break here, fall through to check the wParam like the button presses */
-    case WM_LBUTTONUP:
-    case WM_RBUTTONUP:
-    case WM_MBUTTONUP:
-    case WM_XBUTTONUP:
-    case WM_LBUTTONDOWN:
-    case WM_LBUTTONDBLCLK:
-    case WM_RBUTTONDOWN:
-    case WM_RBUTTONDBLCLK:
-    case WM_MBUTTONDOWN:
-    case WM_MBUTTONDBLCLK:
-    case WM_XBUTTONDOWN:
-    case WM_XBUTTONDBLCLK:
-        {
-            SDL_Mouse *mouse = SDL_GetMouse();
-            if (!mouse->relative_mode || mouse->relative_mode_warp) {
-                SDL_MouseID mouseID = (((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVENTF_FROMTOUCH) ? SDL_TOUCH_MOUSEID : 0);
-                WIN_CheckWParamMouseButtons(wParam, data, mouseID);
-            }
-        }
-        break;
-
-    case WM_INPUT:
-        {
-            SDL_Mouse *mouse = SDL_GetMouse();
-            HRAWINPUT hRawInput = (HRAWINPUT)lParam;
-            RAWINPUT inp;
-            UINT size = sizeof(inp);
-            const SDL_bool isRelative = mouse->relative_mode || mouse->relative_mode_warp;
-            const SDL_bool isCapture = ((data->window->flags & SDL_WINDOW_MOUSE_CAPTURE) != 0);
-
-            if (!isRelative || mouse->focus != data->window) {
-                if (!isCapture) {
-                    break;
-                }
-            }
-
-            GetRawInputData(hRawInput, RID_INPUT, &inp, &size, sizeof(RAWINPUTHEADER));
-
-            /* Mouse data */
-            if (inp.header.dwType == RIM_TYPEMOUSE) {
-                if (isRelative) {
-                    RAWMOUSE* rawmouse = &inp.data.mouse;
-
-                    if ((rawmouse->usFlags & 0x01) == MOUSE_MOVE_RELATIVE) {
-                        SDL_SendMouseMotion(data->window, 0, 1, (int)rawmouse->lLastX, (int)rawmouse->lLastY);
-                    } else {
-                        /* synthesize relative moves from the abs position */
-                        static SDL_Point initialMousePoint;
-                        if (initialMousePoint.x == 0 && initialMousePoint.y == 0) {
-                            initialMousePoint.x = rawmouse->lLastX;
-                            initialMousePoint.y = rawmouse->lLastY;
-                        }
-
-                        SDL_SendMouseMotion(data->window, 0, 1, (int)(rawmouse->lLastX-initialMousePoint.x), (int)(rawmouse->lLastY-initialMousePoint.y));
-
-                        initialMousePoint.x = rawmouse->lLastX;
-                        initialMousePoint.y = rawmouse->lLastY;
-                    }
-                    WIN_CheckRawMouseButtons(rawmouse->usButtonFlags, data);
-                } else if (isCapture) {
-                    /* we check for where Windows thinks the system cursor lives in this case, so we don't really lose mouse accel, etc. */
-                    POINT pt;
-                    RECT hwndRect;
-                    HWND currentHnd;
-
-                    GetCursorPos(&pt);
-                    currentHnd = WindowFromPoint(pt);
-                    ScreenToClient(hwnd, &pt);
-                    GetClientRect(hwnd, &hwndRect);
-
-                    /* if in the window, WM_MOUSEMOVE, etc, will cover it. */
-                    if(currentHnd != hwnd || pt.x < 0 || pt.y < 0 || pt.x > hwndRect.right || pt.y > hwndRect.right) {
-                        SDL_SendMouseMotion(data->window, 0, 0, (int)pt.x, (int)pt.y);
-                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_LBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_LEFT);
-                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_RBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_RIGHT);
-                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_MBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_MIDDLE);
-                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON1) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X1);
-                        SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON2) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X2);
-                    }
-                } else {
-                    SDL_assert(0 && "Shouldn't happen");
-                }
-            }
-        }
-        break;
-
-    case WM_MOUSEWHEEL:
-    case WM_MOUSEHWHEEL:
-        {
-            short amount = GET_WHEEL_DELTA_WPARAM(wParam);
-            float fAmount = (float) amount / WHEEL_DELTA;
-            if (msg == WM_MOUSEWHEEL)
-                SDL_SendMouseWheel(data->window, 0, 0.0f, fAmount, SDL_MOUSEWHEEL_NORMAL);
-            else
-                SDL_SendMouseWheel(data->window, 0, fAmount, 0.0f, SDL_MOUSEWHEEL_NORMAL);
-        }
-        break;
-
-#ifdef WM_MOUSELEAVE
-    case WM_MOUSELEAVE:
-        if (SDL_GetMouseFocus() == data->window && !SDL_GetMouse()->relative_mode && !(data->window->flags & SDL_WINDOW_MOUSE_CAPTURE)) {
-            if (!IsIconic(hwnd)) {
-                POINT cursorPos;
-                GetCursorPos(&cursorPos);
-                ScreenToClient(hwnd, &cursorPos);
-                SDL_SendMouseMotion(data->window, 0, 0, cursorPos.x, cursorPos.y);
-            }
-            SDL_SetMouseFocus(NULL);
-        }
-        returnCode = 0;
-        break;
-#endif /* WM_MOUSELEAVE */
-
-    case WM_KEYDOWN:
-    case WM_SYSKEYDOWN:
-        {
-            SDL_Scancode code = WindowsScanCodeToSDLScanCode(lParam, wParam);
-            const Uint8 *keyboardState = SDL_GetKeyboardState(NULL);
-
-            /* Detect relevant keyboard shortcuts */
-            if (keyboardState[SDL_SCANCODE_LALT] == SDL_PRESSED || keyboardState[SDL_SCANCODE_RALT] == SDL_PRESSED) {
-                /* ALT+F4: Close window */
-                if (code == SDL_SCANCODE_F4 && ShouldGenerateWindowCloseOnAltF4()) {
-                    SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
-                }
-            }
-
-            if (code != SDL_SCANCODE_UNKNOWN) {
-                SDL_SendKeyboardKey(SDL_PRESSED, code);
-            }
-        }
-
-        returnCode = 0;
-        break;
-
-    case WM_SYSKEYUP:
-    case WM_KEYUP:
-        {
-            SDL_Scancode code = WindowsScanCodeToSDLScanCode(lParam, wParam);
-            const Uint8 *keyboardState = SDL_GetKeyboardState(NULL);
-
-            if (code != SDL_SCANCODE_UNKNOWN) {
-                if (code == SDL_SCANCODE_PRINTSCREEN &&
-                    keyboardState[code] == SDL_RELEASED) {
-                    SDL_SendKeyboardKey(SDL_PRESSED, code);
-                }
-                SDL_SendKeyboardKey(SDL_RELEASED, code);
-            }
-        }
-        returnCode = 0;
-        break;
-
-    case WM_UNICHAR:
-        if (wParam == UNICODE_NOCHAR) {
-            returnCode = 1;
-            break;
-        }
-        /* otherwise fall through to below */
-    case WM_CHAR:
-        {
-            char text[5];
-            if (WIN_ConvertUTF32toUTF8((UINT32)wParam, text)) {
-                SDL_SendKeyboardText(text);
-            }
-        }
-        returnCode = 0;
-        break;
-
-#ifdef WM_INPUTLANGCHANGE
-    case WM_INPUTLANGCHANGE:
-        {
-            WIN_UpdateKeymap();
-            SDL_SendKeymapChangedEvent();
-        }
-        returnCode = 1;
-        break;
-#endif /* WM_INPUTLANGCHANGE */
-
-    case WM_NCLBUTTONDOWN:
-        {
-            data->in_title_click = SDL_TRUE;
-        }
-        break;
-
-    case WM_CAPTURECHANGED:
-        {
-            data->in_title_click = SDL_FALSE;
-
-            /* The mouse may have been released during a modal loop */
-            WIN_CheckAsyncMouseRelease(data);
-        }
-        break;
-
-#ifdef WM_GETMINMAXINFO
-    case WM_GETMINMAXINFO:
-        {
-            MINMAXINFO *info;
-            RECT size;
-            int x, y;
-            int w, h;
-            int min_w, min_h;
-            int max_w, max_h;
-            BOOL constrain_max_size;
-
-            if (SDL_IsShapedWindow(data->window))
-                Win32_ResizeWindowShape(data->window);
-
-            /* If this is an expected size change, allow it */
-            if (data->expected_resize) {
-                break;
-            }
-
-            /* Get the current position of our window */
-            GetWindowRect(hwnd, &size);
-            x = size.left;
-            y = size.top;
-
-            /* Calculate current size of our window */
-            SDL_GetWindowSize(data->window, &w, &h);
-            SDL_GetWindowMinimumSize(data->window, &min_w, &min_h);
-            SDL_GetWindowMaximumSize(data->window, &max_w, &max_h);
-
-            /* Store in min_w and min_h difference between current size and minimal
-               size so we don't need to call AdjustWindowRectEx twice */
-            min_w -= w;
-            min_h -= h;
-            if (max_w && max_h) {
-                max_w -= w;
-                max_h -= h;
-                constrain_max_size = TRUE;
-            } else {
-                constrain_max_size = FALSE;
-            }
-
-            if (!(SDL_GetWindowFlags(data->window) & SDL_WINDOW_BORDERLESS)) {
-                LONG style = GetWindowLong(hwnd, GWL_STYLE);
-                /* DJM - according to the docs for GetMenu(), the
-                   return value is undefined if hwnd is a child window.
-                   Apparently it's too difficult for MS to check
-                   inside their function, so I have to do it here.
-                 */
-                BOOL menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
-                size.top = 0;
-                size.left = 0;
-                size.bottom = h;
-                size.right = w;
-
-                AdjustWindowRectEx(&size, style, menu, 0);
-                w = size.right - size.left;
-                h = size.bottom - size.top;
-            }
-
-            /* Fix our size to the current size */
-            info = (MINMAXINFO *) lParam;
-            if (SDL_GetWindowFlags(data->window) & SDL_WINDOW_RESIZABLE) {
-                info->ptMinTrackSize.x = w + min_w;
-                info->ptMinTrackSize.y = h + min_h;
-                if (constrain_max_size) {
-                    info->ptMaxTrackSize.x = w + max_w;
-                    info->ptMaxTrackSize.y = h + max_h;
-                }
-            } else {
-                info->ptMaxSize.x = w;
-                info->ptMaxSize.y = h;
-                info->ptMaxPosition.x = x;
-                info->ptMaxPosition.y = y;
-                info->ptMinTrackSize.x = w;
-                info->ptMinTrackSize.y = h;
-                info->ptMaxTrackSize.x = w;
-                info->ptMaxTrackSize.y = h;
-            }
-        }
-        returnCode = 0;
-        break;
-#endif /* WM_GETMINMAXINFO */
-
-    case WM_WINDOWPOSCHANGING:
-
-        if (data->expected_resize) {
-            returnCode = 0;
-        }
-        break;
-
-    case WM_WINDOWPOSCHANGED:
-        {
-            RECT rect;
-            int x, y;
-            int w, h;
-
-            if (data->initializing || data->in_border_change) {
-                break;
-            }
-
-            if (!GetClientRect(hwnd, &rect) || IsRectEmpty(&rect)) {
-                break;
-            }
-            ClientToScreen(hwnd, (LPPOINT) & rect);
-            ClientToScreen(hwnd, (LPPOINT) & rect + 1);
-
-            WIN_UpdateClipCursor(data->window);
-
-            x = rect.left;
-            y = rect.top;
-            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MOVED, x, y);
-
-            w = rect.right - rect.left;
-            h = rect.bottom - rect.top;
-            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESIZED, w,
-                                h);
-
-            /* Forces a WM_PAINT event */
-            InvalidateRect(hwnd, NULL, FALSE);
-        }
-        break;
-
-    case WM_SIZE:
-        {
-            switch (wParam) {
-            case SIZE_MAXIMIZED:
-                SDL_SendWindowEvent(data->window,
-                    SDL_WINDOWEVENT_RESTORED, 0, 0);
-                SDL_SendWindowEvent(data->window,
-                    SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
-                break;
-            case SIZE_MINIMIZED:
-                SDL_SendWindowEvent(data->window,
-                    SDL_WINDOWEVENT_MINIMIZED, 0, 0);
-                break;
-            default:
-                SDL_SendWindowEvent(data->window,
-                    SDL_WINDOWEVENT_RESTORED, 0, 0);
-                break;
-            }
-        }
-        break;
-
-    case WM_SETCURSOR:
-        {
-            Uint16 hittest;
-
-            hittest = LOWORD(lParam);
-            if (hittest == HTCLIENT) {
-                SetCursor(SDL_cursor);
-                returnCode = TRUE;
-            } else if (!g_WindowFrameUsableWhileCursorHidden && !SDL_cursor) {
-                SetCursor(NULL);
-                returnCode = TRUE;
-            }
-        }
-        break;
-
-        /* We were occluded, refresh our display */
-    case WM_PAINT:
-        {
-            RECT rect;
-            if (GetUpdateRect(hwnd, &rect, FALSE)) {
-                ValidateRect(hwnd, NULL);
-                SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_EXPOSED,
-                                    0, 0);
-            }
-        }
-        returnCode = 0;
-        break;
-
-        /* We'll do our own drawing, prevent flicker */
-    case WM_ERASEBKGND:
-        {
-        }
-        return (1);
-
-    case WM_SYSCOMMAND:
-        {
-            if ((wParam & 0xFFF0) == SC_KEYMENU) {
-                return (0);
-            }
-
-#if defined(SC_SCREENSAVE) || defined(SC_MONITORPOWER)
-            /* Don't start the screensaver or blank the monitor in fullscreen apps */
-            if ((wParam & 0xFFF0) == SC_SCREENSAVE ||
-                (wParam & 0xFFF0) == SC_MONITORPOWER) {
-                if (SDL_GetVideoDevice()->suspend_screensaver) {
-                    return (0);
-                }
-            }
-#endif /* System has screensaver support */
-        }
-        break;
-
-    case WM_CLOSE:
-        {
-            SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
-        }
-        returnCode = 0;
-        break;
-
-    case WM_TOUCH:
-        if (data->videodata->GetTouchInputInfo && data->videodata->CloseTouchInputHandle) {
-            UINT i, num_inputs = LOWORD(wParam);
-            PTOUCHINPUT inputs = SDL_stack_alloc(TOUCHINPUT, num_inputs);
-            if (data->videodata->GetTouchInputInfo((HTOUCHINPUT)lParam, num_inputs, inputs, sizeof(TOUCHINPUT))) {
-                RECT rect;
-                float x, y;
-
-                if (!GetClientRect(hwnd, &rect) ||
-                    (rect.right == rect.left && rect.bottom == rect.top)) {
-                    if (inputs) {
-                        SDL_stack_free(inputs);
-                    }
-                    break;
-                }
-                ClientToScreen(hwnd, (LPPOINT) & rect);
-                ClientToScreen(hwnd, (LPPOINT) & rect + 1);
-                rect.top *= 100;
-                rect.left *= 100;
-                rect.bottom *= 100;
-                rect.right *= 100;
-
-                for (i = 0; i < num_inputs; ++i) {
-                    PTOUCHINPUT input = &inputs[i];
-
-                    const SDL_TouchID touchId = (SDL_TouchID)((size_t)input->hSource);
-                    if (SDL_AddTouch(touchId, "") < 0) {
-                        continue;
-                    }
-
-                    /* Get the normalized coordinates for the window */
-                    x = (float)(input->x - rect.left)/(rect.right - rect.left);
-                    y = (float)(input->y - rect.top)/(rect.bottom - rect.top);
-
-                    if (input->dwFlags & TOUCHEVENTF_DOWN) {
-                        SDL_SendTouch(touchId, input->dwID, SDL_TRUE, x, y, 1.0f);
-                    }
-                    if (input->dwFlags & TOUCHEVENTF_MOVE) {
-                        SDL_SendTouchMotion(touchId, input->dwID, x, y, 1.0f);
-                    }
-                    if (input->dwFlags & TOUCHEVENTF_UP) {
-                        SDL_SendTouch(touchId, input->dwID, SDL_FALSE, x, y, 1.0f);
-                    }
-                }
-            }
-            SDL_stack_free(inputs);
-
-            data->videodata->CloseTouchInputHandle((HTOUCHINPUT)lParam);
-            return 0;
-        }
-        break;
-
-    case WM_DROPFILES:
-        {
-            UINT i;
-            HDROP drop = (HDROP) wParam;
-            UINT count = DragQueryFile(drop, 0xFFFFFFFF, NULL, 0);
-            for (i = 0; i < count; ++i) {
-                UINT size = DragQueryFile(drop, i, NULL, 0) + 1;
-                LPTSTR buffer = SDL_stack_alloc(TCHAR, size);
-                if (buffer) {
-                    if (DragQueryFile(drop, i, buffer, size)) {
-                        char *file = WIN_StringToUTF8(buffer);
-                        SDL_SendDropFile(data->window, file);
-                        SDL_free(file);
-                    }
-                    SDL_stack_free(buffer);
-                }
-            }
-            SDL_SendDropComplete(data->window);
-            DragFinish(drop);
-            return 0;
-        }
-        break;
-
-    case WM_NCCALCSIZE:
-        {
-            Uint32 window_flags = SDL_GetWindowFlags(data->window);
-            if (wParam == TRUE && (window_flags & SDL_WINDOW_BORDERLESS) && !(window_flags & SDL_WINDOW_FULLSCREEN)) {
-                /* When borderless, need to tell windows that the size of the non-client area is 0 */
-                if (!(window_flags & SDL_WINDOW_RESIZABLE)) {
-                    int w, h;
-                    NCCALCSIZE_PARAMS *params = (NCCALCSIZE_PARAMS *)lParam;
-                    w = data->window->windowed.w;
-                    h = data->window->windowed.h;
-                    params->rgrc[0].right = params->rgrc[0].left + w;
-                    params->rgrc[0].bottom = params->rgrc[0].top + h;
-                }
-                return 0;
-            }
-        }
-        break;
-
-    case WM_NCHITTEST:
-        {
-            SDL_Window *window = data->window;
-            if (window->hit_test) {
-                POINT winpoint = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
-                if (ScreenToClient(hwnd, &winpoint)) {
-                    const SDL_Point point = { (int) winpoint.x, (int) winpoint.y };
-                    const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data);
-                    switch (rc) {
-                        #define POST_HIT_TEST(ret) { SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIT_TEST, 0, 0); return ret; }
-                        case SDL_HITTEST_DRAGGABLE: POST_HIT_TEST(HTCAPTION);
-                        case SDL_HITTEST_RESIZE_TOPLEFT: POST_HIT_TEST(HTTOPLEFT);
-                        case SDL_HITTEST_RESIZE_TOP: POST_HIT_TEST(HTTOP);
-                        case SDL_HITTEST_RESIZE_TOPRIGHT: POST_HIT_TEST(HTTOPRIGHT);
-                        case SDL_HITTEST_RESIZE_RIGHT: POST_HIT_TEST(HTRIGHT);
-                        case SDL_HITTEST_RESIZE_BOTTOMRIGHT: POST_HIT_TEST(HTBOTTOMRIGHT);
-                        case SDL_HITTEST_RESIZE_BOTTOM: POST_HIT_TEST(HTBOTTOM);
-                        case SDL_HITTEST_RESIZE_BOTTOMLEFT: POST_HIT_TEST(HTBOTTOMLEFT);
-                        case SDL_HITTEST_RESIZE_LEFT: POST_HIT_TEST(HTLEFT);
-                        #undef POST_HIT_TEST
-                        case SDL_HITTEST_NORMAL: return HTCLIENT;
-                    }
-                }
-                /* If we didn't return, this will call DefWindowProc below. */
-            }
-        }
-        break;
-    }
-
-    /* If there's a window proc, assume it's going to handle messages */
-    if (data->wndproc) {
-        return CallWindowProc(data->wndproc, hwnd, msg, wParam, lParam);
-    } else if (returnCode >= 0) {
-        return returnCode;
-    } else {
-        return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
-    }
-}
-
-static void WIN_UpdateClipCursorForWindows()
-{
-    SDL_VideoDevice *_this = SDL_GetVideoDevice();
-    SDL_Window *window;
-
-    if (_this) {
-        for (window = _this->windows; window; window = window->next) {
-            if (window->driverdata) {
-                WIN_UpdateClipCursor(window);
-            }
-        }
-    }
-}
-
-/* A message hook called before TranslateMessage() */
-static SDL_WindowsMessageHook g_WindowsMessageHook = NULL;
-static void *g_WindowsMessageHookData = NULL;
-
-void SDL_SetWindowsMessageHook(SDL_WindowsMessageHook callback, void *userdata)
-{
-    g_WindowsMessageHook = callback;
-    g_WindowsMessageHookData = userdata;
-}
-
-void
-WIN_PumpEvents(_THIS)
-{
-    const Uint8 *keystate;
-    MSG msg;
-    DWORD start_ticks = GetTickCount();
-
-    if (g_WindowsEnableMessageLoop) {
-        while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
-            if (g_WindowsMessageHook) {
-                g_WindowsMessageHook(g_WindowsMessageHookData, msg.hwnd, msg.message, msg.wParam, msg.lParam);
-            }
-
-            /* Always translate the message in case it's a non-SDL window (e.g. with Qt integration) */
-            TranslateMessage(&msg);
-            DispatchMessage(&msg);
-
-            /* Make sure we don't busy loop here forever if there are lots of events coming in */
-            if (SDL_TICKS_PASSED(msg.time, start_ticks)) {
-                break;
-            }
-        }
-    }
-
-    /* Windows loses a shift KEYUP event when you have both pressed at once and let go of one.
-       You won't get a KEYUP until both are released, and that keyup will only be for the second
-       key you released. Take heroic measures and check the keystate as of the last handled event,
-       and if we think a key is pressed when Windows doesn't, unstick it in SDL's state. */
-    keystate = SDL_GetKeyboardState(NULL);
-    if ((keystate[SDL_SCANCODE_LSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_LSHIFT) & 0x8000)) {
-        SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT);
-    }
-    if ((keystate[SDL_SCANCODE_RSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_RSHIFT) & 0x8000)) {
-        SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_RSHIFT);
-    }
-
-    /* Update the clipping rect in case someone else has stolen it */
-    WIN_UpdateClipCursorForWindows();
-}
-
-/* to work around #3931, a bug introduced in Win10 Fall Creators Update (build nr. 16299)
-   we need to detect the windows version. this struct and the function below does that.
-   usually this struct and the corresponding function (RtlGetVersion) are in <Ntddk.h>
-   but here we just load it dynamically */
-struct SDL_WIN_OSVERSIONINFOW {
-    ULONG dwOSVersionInfoSize;
-    ULONG dwMajorVersion;
-    ULONG dwMinorVersion;
-    ULONG dwBuildNumber;
-    ULONG dwPlatformId;
-    WCHAR szCSDVersion[128];
-};
-
-static SDL_bool
-IsWin10FCUorNewer(void)
-{
-    HMODULE handle = GetModuleHandleW(L"ntdll.dll");
-    if (handle) {
-        typedef LONG(WINAPI* RtlGetVersionPtr)(struct SDL_WIN_OSVERSIONINFOW*);
-        RtlGetVersionPtr getVersionPtr = (RtlGetVersionPtr)GetProcAddress(handle, "RtlGetVersion");
-        if (getVersionPtr != NULL) {
-            struct SDL_WIN_OSVERSIONINFOW info;
-            SDL_zero(info);
-            info.dwOSVersionInfoSize = sizeof(info);
-            if (getVersionPtr(&info) == 0) { /* STATUS_SUCCESS == 0 */
-                if ((info.dwMajorVersion == 10 && info.dwMinorVersion == 0 && info.dwBuildNumber >= 16299) ||
-                    (info.dwMajorVersion == 10 && info.dwMinorVersion > 0) ||
-                    (info.dwMajorVersion > 10))
-                {
-                    return SDL_TRUE;
-                }
-            }
-        }
-    }
-    return SDL_FALSE;
-}
-
-static int app_registered = 0;
-LPTSTR SDL_Appname = NULL;
-Uint32 SDL_Appstyle = 0;
-HINSTANCE SDL_Instance = NULL;
-
-/* Register the class for this application */
-int
-SDL_RegisterApp(char *name, Uint32 style, void *hInst)
-{
-    const char *hint;
-    WNDCLASSEX wcex;
-    TCHAR path[MAX_PATH];
-
-    /* Only do this once... */
-    if (app_registered) {
-        ++app_registered;
-        return (0);
-    }
-    if (!name && !SDL_Appname) {
-        name = "SDL_app";
-#if defined(CS_BYTEALIGNCLIENT) || defined(CS_OWNDC)
-        SDL_Appstyle = (CS_BYTEALIGNCLIENT | CS_OWNDC);
-#endif
-        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
-    }
-
-    if (name) {
-        SDL_Appname = WIN_UTF8ToString(name);
-        SDL_Appstyle = style;
-        SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
-    }
-
-    /* Register the application class */
-    wcex.cbSize         = sizeof(WNDCLASSEX);
-    wcex.hCursor        = NULL;
-    wcex.hIcon          = NULL;
-    wcex.hIconSm        = NULL;
-    wcex.lpszMenuName   = NULL;
-    wcex.lpszClassName  = SDL_Appname;
-    wcex.style          = SDL_Appstyle;
-    wcex.hbrBackground  = NULL;
-    wcex.lpfnWndProc    = WIN_WindowProc;
-    wcex.hInstance      = SDL_Instance;
-    wcex.cbClsExtra     = 0;
-    wcex.cbWndExtra     = 0;
-
-    hint = SDL_GetHint(SDL_HINT_WINDOWS_INTRESOURCE_ICON);
-    if (hint && *hint) {
-        wcex.hIcon = LoadIcon(SDL_Instance, MAKEINTRESOURCE(SDL_atoi(hint)));
-
-        hint = SDL_GetHint(SDL_HINT_WINDOWS_INTRESOURCE_ICON_SMALL);
-        if (hint && *hint) {
-            wcex.hIconSm = LoadIcon(SDL_Instance, MAKEINTRESOURCE(SDL_atoi(hint)));
-        }
-    } else {
-        /* Use the first icon as a default icon, like in the Explorer */
-        GetModuleFileName(SDL_Instance, path, MAX_PATH);
-        ExtractIconEx(path, 0, &wcex.hIcon, &wcex.hIconSm, 1);
-    }
-
-    if (!RegisterClassEx(&wcex)) {
-        return SDL_SetError("Couldn't register application class");
-    }
-
-    isWin10FCUorNewer = IsWin10FCUorNewer();
-
-    app_registered = 1;
-    return 0;
-}
-
-/* Unregisters the windowclass registered in SDL_RegisterApp above. */
-void
-SDL_UnregisterApp()
-{
-    WNDCLASSEX wcex;
-
-    /* SDL_RegisterApp might not have been called before */
-    if (!app_registered) {
-        return;
-    }
-    --app_registered;
-    if (app_registered == 0) {
-        /* Check for any registered window classes. */
-        if (GetClassInfoEx(SDL_Instance, SDL_Appname, &wcex)) {
-            UnregisterClass(SDL_Appname, SDL_Instance);
-            if (wcex.hIcon) DestroyIcon(wcex.hIcon);
-            if (wcex.hIconSm) DestroyIcon(wcex.hIconSm);
-        }
-        SDL_free(SDL_Appname);
-        SDL_Appname = NULL;
-    }
-}
-
-#endif /* SDL_VIDEO_DRIVER_WINDOWS */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsevents.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsevents.h
deleted file mode 100644
index 1ce2fb4..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsevents.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#ifndef SDL_windowsevents_h_
-#define SDL_windowsevents_h_
-
-extern LPTSTR SDL_Appname;
-extern Uint32 SDL_Appstyle;
-extern HINSTANCE SDL_Instance;
-
-extern LRESULT CALLBACK WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam,
-                                       LPARAM lParam);
-extern void WIN_PumpEvents(_THIS);
-
-#endif /* SDL_windowsevents_h_ */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsframebuffer.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsframebuffer.c
deleted file mode 100644
index e07d9c4..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsframebuffer.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_DRIVER_WINDOWS
-
-#include "SDL_windowsvideo.h"
-
-int WIN_CreateWindowFramebuffer(_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch)
-{
-    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
-    size_t size;
-    LPBITMAPINFO info;
-    HBITMAP hbm;
-
-    /* Free the old framebuffer surface */
-    if (data->mdc) {
-        DeleteDC(data->mdc);
-    }
-    if (data->hbm) {
-        DeleteObject(data->hbm);
-    }
-
-    /* Find out the format of the screen */
-    size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD);
-    info = (LPBITMAPINFO)SDL_stack_alloc(Uint8, size);
-    if (!info) {
-        return SDL_OutOfMemory();
-    }
-
-    SDL_memset(info, 0, size);
-    info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
-
-    /* The second call to GetDIBits() fills in the bitfields */
-    hbm = CreateCompatibleBitmap(data->hdc, 1, 1);
-    GetDIBits(data->hdc, hbm, 0, 0, NULL, info, DIB_RGB_COLORS);
-    GetDIBits(data->hdc, hbm, 0, 0, NULL, info, DIB_RGB_COLORS);
-    DeleteObject(hbm);
-
-    *format = SDL_PIXELFORMAT_UNKNOWN;
-    if (info->bmiHeader.biCompression == BI_BITFIELDS) {
-        int bpp;
-        Uint32 *masks;
-
-        bpp = info->bmiHeader.biPlanes * info->bmiHeader.biBitCount;
-        masks = (Uint32*)((Uint8*)info + info->bmiHeader.biSize);
-        *format = SDL_MasksToPixelFormatEnum(bpp, masks[0], masks[1], masks[2], 0);
-    }
-    if (*format == SDL_PIXELFORMAT_UNKNOWN)
-    {
-        /* We'll use RGB format for now */
-        *format = SDL_PIXELFORMAT_RGB888;
-
-        /* Create a new one */
-        SDL_memset(info, 0, size);
-        info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
-        info->bmiHeader.biPlanes = 1;
-        info->bmiHeader.biBitCount = 32;
-        info->bmiHeader.biCompression = BI_RGB;
-    }
-
-    /* Fill in the size information */
-    *pitch = (((window->w * SDL_BYTESPERPIXEL(*format)) + 3) & ~3);
-    info->bmiHeader.biWidth = window->w;
-    info->bmiHeader.biHeight = -window->h;  /* negative for topdown bitmap */
-    info->bmiHeader.biSizeImage = window->h * (*pitch);
-
-    data->mdc = CreateCompatibleDC(data->hdc);
-    data->hbm = CreateDIBSection(data->hdc, info, DIB_RGB_COLORS, pixels, NULL, 0);
-    SDL_stack_free(info);
-
-    if (!data->hbm) {
-        return WIN_SetError("Unable to create DIB");
-    }
-    SelectObject(data->mdc, data->hbm);
-
-    return 0;
-}
-
-int WIN_UpdateWindowFramebuffer(_THIS, SDL_Window * window, const SDL_Rect * rects, int numrects)
-{
-    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
-
-    BitBlt(data->hdc, 0, 0, window->w, window->h, data->mdc, 0, 0, SRCCOPY);
-    return 0;
-}
-
-void WIN_DestroyWindowFramebuffer(_THIS, SDL_Window * window)
-{
-    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
-
-    if (!data) {
-        /* The window wasn't fully initialized */
-        return;
-    }
-
-    if (data->mdc) {
-        DeleteDC(data->mdc);
-        data->mdc = NULL;
-    }
-    if (data->hbm) {
-        DeleteObject(data->hbm);
-        data->hbm = NULL;
-    }
-}
-
-#endif /* SDL_VIDEO_DRIVER_WINDOWS */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsframebuffer.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsframebuffer.h
deleted file mode 100644
index a83cca5..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsframebuffer.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-extern int WIN_CreateWindowFramebuffer(_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch);
-extern int WIN_UpdateWindowFramebuffer(_THIS, SDL_Window * window, const SDL_Rect * rects, int numrects);
-extern void WIN_DestroyWindowFramebuffer(_THIS, SDL_Window * window);
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowskeyboard.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowskeyboard.c
deleted file mode 100644
index c7f357b..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowskeyboard.c
+++ /dev/null
@@ -1,1579 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_DRIVER_WINDOWS
-
-#include "SDL_windowsvideo.h"
-
-#include "../../events/SDL_keyboard_c.h"
-#include "../../events/scancodes_windows.h"
-
-#include <imm.h>
-#include <oleauto.h>
-
-#ifndef SDL_DISABLE_WINDOWS_IME
-static void IME_Init(SDL_VideoData *videodata, HWND hwnd);
-static void IME_Enable(SDL_VideoData *videodata, HWND hwnd);
-static void IME_Disable(SDL_VideoData *videodata, HWND hwnd);
-static void IME_Quit(SDL_VideoData *videodata);
-#endif /* !SDL_DISABLE_WINDOWS_IME */
-
-#ifndef MAPVK_VK_TO_VSC
-#define MAPVK_VK_TO_VSC     0
-#endif
-#ifndef MAPVK_VSC_TO_VK
-#define MAPVK_VSC_TO_VK     1
-#endif
-#ifndef MAPVK_VK_TO_CHAR
-#define MAPVK_VK_TO_CHAR    2
-#endif
-
-/* Alphabetic scancodes for PC keyboards */
-void
-WIN_InitKeyboard(_THIS)
-{
-    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
-
-    data->ime_com_initialized = SDL_FALSE;
-    data->ime_threadmgr = 0;
-    data->ime_initialized = SDL_FALSE;
-    data->ime_enabled = SDL_FALSE;
-    data->ime_available = SDL_FALSE;
-    data->ime_hwnd_main = 0;
-    data->ime_hwnd_current = 0;
-    data->ime_himc = 0;
-    data->ime_composition[0] = 0;
-    data->ime_readingstring[0] = 0;
-    data->ime_cursor = 0;
-
-    data->ime_candlist = SDL_FALSE;
-    SDL_memset(data->ime_candidates, 0, sizeof(data->ime_candidates));
-    data->ime_candcount = 0;
-    data->ime_candref = 0;
-    data->ime_candsel = 0;
-    data->ime_candpgsize = 0;
-    data->ime_candlistindexbase = 0;
-    data->ime_candvertical = SDL_TRUE;
-
-    data->ime_dirty = SDL_FALSE;
-    SDL_memset(&data->ime_rect, 0, sizeof(data->ime_rect));
-    SDL_memset(&data->ime_candlistrect, 0, sizeof(data->ime_candlistrect));
-    data->ime_winwidth = 0;
-    data->ime_winheight = 0;
-
-    data->ime_hkl = 0;
-    data->ime_himm32 = 0;
-    data->GetReadingString = 0;
-    data->ShowReadingWindow = 0;
-    data->ImmLockIMC = 0;
-    data->ImmUnlockIMC = 0;
-    data->ImmLockIMCC = 0;
-    data->ImmUnlockIMCC = 0;
-    data->ime_uiless = SDL_FALSE;
-    data->ime_threadmgrex = 0;
-    data->ime_uielemsinkcookie = TF_INVALID_COOKIE;
-    data->ime_alpnsinkcookie = TF_INVALID_COOKIE;
-    data->ime_openmodesinkcookie = TF_INVALID_COOKIE;
-    data->ime_convmodesinkcookie = TF_INVALID_COOKIE;
-    data->ime_uielemsink = 0;
-    data->ime_ippasink = 0;
-
-    WIN_UpdateKeymap();
-
-    SDL_SetScancodeName(SDL_SCANCODE_APPLICATION, "Menu");
-    SDL_SetScancodeName(SDL_SCANCODE_LGUI, "Left Windows");
-    SDL_SetScancodeName(SDL_SCANCODE_RGUI, "Right Windows");
-
-    /* Are system caps/num/scroll lock active? Set our state to match. */
-    SDL_ToggleModState(KMOD_CAPS, (GetKeyState(VK_CAPITAL) & 0x0001) != 0);
-    SDL_ToggleModState(KMOD_NUM, (GetKeyState(VK_NUMLOCK) & 0x0001) != 0);
-}
-
-void
-WIN_UpdateKeymap()
-{
-    int i;
-    SDL_Scancode scancode;
-    SDL_Keycode keymap[SDL_NUM_SCANCODES];
-
-    SDL_GetDefaultKeymap(keymap);
-
-    for (i = 0; i < SDL_arraysize(windows_scancode_table); i++) {
-        int vk;
-        /* Make sure this scancode is a valid character scancode */
-        scancode = windows_scancode_table[i];
-        if (scancode == SDL_SCANCODE_UNKNOWN ) {
-            continue;
-        }
-
-        /* If this key is one of the non-mappable keys, ignore it */
-        /* Not mapping numbers fixes the French layout, giving numeric keycodes for the number keys, which is the expected behavior */
-        if ((keymap[scancode] & SDLK_SCANCODE_MASK) ||
-            /*  scancode == SDL_SCANCODE_GRAVE || */ /* Uncomment this line to re-enable the behavior of not mapping the "`"(grave) key to the users actual keyboard layout */
-            (scancode >= SDL_SCANCODE_1 && scancode <= SDL_SCANCODE_0) ) {
-            continue;
-        }
-
-        vk =  MapVirtualKey(i, MAPVK_VSC_TO_VK);
-        if ( vk ) {
-            int ch = (MapVirtualKey( vk, MAPVK_VK_TO_CHAR ) & 0x7FFF);
-            if ( ch ) {
-                if ( ch >= 'A' && ch <= 'Z' ) {
-                    keymap[scancode] =  SDLK_a + ( ch - 'A' );
-                } else {
-                    keymap[scancode] = ch;
-                }
-            }
-        }
-    }
-
-    SDL_SetKeymap(0, keymap, SDL_NUM_SCANCODES);
-}
-
-void
-WIN_QuitKeyboard(_THIS)
-{
-#ifndef SDL_DISABLE_WINDOWS_IME
-    IME_Quit((SDL_VideoData *)_this->driverdata);
-#endif
-}
-
-void
-WIN_ResetDeadKeys()
-{
-    /*
-    if a deadkey has been typed, but not the next character (which the deadkey might modify), 
-    this tries to undo the effect pressing the deadkey.
-    see: http://archives.miloush.net/michkap/archive/2006/09/10/748775.html
-    */
-    BYTE keyboardState[256];
-    WCHAR buffer[16];
-    int keycode, scancode, result, i;
-
-    GetKeyboardState(keyboardState);
-
-    keycode = VK_SPACE;
-    scancode = MapVirtualKey(keycode, MAPVK_VK_TO_VSC);
-    if (scancode == 0) {
-        /* the keyboard doesn't have this key */
-        return;
-    }
-
-    for (i = 0; i < 5; i++) {
-        result = ToUnicode(keycode, scancode, keyboardState, (LPWSTR)buffer, 16, 0);
-        if (result > 0) {
-            /* success */
-            return;
-        }
-    }
-}
-
-void
-WIN_StartTextInput(_THIS)
-{
-#ifndef SDL_DISABLE_WINDOWS_IME
-    SDL_Window *window;
-#endif
-
-    WIN_ResetDeadKeys();
-
-#ifndef SDL_DISABLE_WINDOWS_IME
-    window = SDL_GetKeyboardFocus();
-    if (window) {
-        HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
-        SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
-        SDL_GetWindowSize(window, &videodata->ime_winwidth, &videodata->ime_winheight);
-        IME_Init(videodata, hwnd);
-        IME_Enable(videodata, hwnd);
-    }
-#endif /* !SDL_DISABLE_WINDOWS_IME */
-}
-
-void
-WIN_StopTextInput(_THIS)
-{
-#ifndef SDL_DISABLE_WINDOWS_IME
-    SDL_Window *window;
-#endif
-
-    WIN_ResetDeadKeys();
-
-#ifndef SDL_DISABLE_WINDOWS_IME
-    window = SDL_GetKeyboardFocus();
-    if (window) {
-        HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
-        SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
-        IME_Init(videodata, hwnd);
-        IME_Disable(videodata, hwnd);
-    }
-#endif /* !SDL_DISABLE_WINDOWS_IME */
-}
-
-void
-WIN_SetTextInputRect(_THIS, SDL_Rect *rect)
-{
-    SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
-    HIMC himc = 0;
-
-    if (!rect) {
-        SDL_InvalidParamError("rect");
-        return;
-    }
-
-    videodata->ime_rect = *rect;
-
-    himc = ImmGetContext(videodata->ime_hwnd_current);
-    if (himc)
-    {
-        COMPOSITIONFORM cf;
-        cf.ptCurrentPos.x = videodata->ime_rect.x;
-        cf.ptCurrentPos.y = videodata->ime_rect.y;
-        cf.dwStyle = CFS_FORCE_POSITION;
-        ImmSetCompositionWindow(himc, &cf);
-        ImmReleaseContext(videodata->ime_hwnd_current, himc);
-    }
-}
-
-#ifdef SDL_DISABLE_WINDOWS_IME
-
-
-SDL_bool
-IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SDL_VideoData *videodata)
-{
-    return SDL_FALSE;
-}
-
-void IME_Present(SDL_VideoData *videodata)
-{
-}
-
-#else
-
-#ifdef SDL_msctf_h_
-#define USE_INIT_GUID
-#elif defined(__GNUC__)
-#define USE_INIT_GUID
-#endif
-#ifdef USE_INIT_GUID
-#undef DEFINE_GUID
-#define DEFINE_GUID(n,l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8) static const GUID n = {l,w1,w2,{b1,b2,b3,b4,b5,b6,b7,b8}}
-DEFINE_GUID(IID_ITfInputProcessorProfileActivationSink,        0x71C6E74E,0x0F28,0x11D8,0xA8,0x2A,0x00,0x06,0x5B,0x84,0x43,0x5C);
-DEFINE_GUID(IID_ITfUIElementSink,                              0xEA1EA136,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
-DEFINE_GUID(GUID_TFCAT_TIP_KEYBOARD,                           0x34745C63,0xB2F0,0x4784,0x8B,0x67,0x5E,0x12,0xC8,0x70,0x1A,0x31);
-DEFINE_GUID(IID_ITfSource,                                     0x4EA48A35,0x60AE,0x446F,0x8F,0xD6,0xE6,0xA8,0xD8,0x24,0x59,0xF7);
-DEFINE_GUID(IID_ITfUIElementMgr,                               0xEA1EA135,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
-DEFINE_GUID(IID_ITfCandidateListUIElement,                     0xEA1EA138,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
-DEFINE_GUID(IID_ITfReadingInformationUIElement,                0xEA1EA139,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
-DEFINE_GUID(IID_ITfThreadMgr,                                  0xAA80E801,0x2021,0x11D2,0x93,0xE0,0x00,0x60,0xB0,0x67,0xB8,0x6E);
-DEFINE_GUID(CLSID_TF_ThreadMgr,                                0x529A9E6B,0x6587,0x4F23,0xAB,0x9E,0x9C,0x7D,0x68,0x3E,0x3C,0x50);
-DEFINE_GUID(IID_ITfThreadMgrEx,                                0x3E90ADE3,0x7594,0x4CB0,0xBB,0x58,0x69,0x62,0x8F,0x5F,0x45,0x8C);
-#endif
-
-#define LANG_CHT MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_TRADITIONAL)
-#define LANG_CHS MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED)
-
-#define MAKEIMEVERSION(major,minor) ((DWORD) (((BYTE)(major) << 24) | ((BYTE)(minor) << 16) ))
-#define IMEID_VER(id) ((id) & 0xffff0000)
-#define IMEID_LANG(id) ((id) & 0x0000ffff)
-
-#define CHT_HKL_DAYI            ((HKL)(UINT_PTR)0xE0060404)
-#define CHT_HKL_NEW_PHONETIC    ((HKL)(UINT_PTR)0xE0080404)
-#define CHT_HKL_NEW_CHANG_JIE   ((HKL)(UINT_PTR)0xE0090404)
-#define CHT_HKL_NEW_QUICK       ((HKL)(UINT_PTR)0xE00A0404)
-#define CHT_HKL_HK_CANTONESE    ((HKL)(UINT_PTR)0xE00B0404)
-#define CHT_IMEFILENAME1        "TINTLGNT.IME"
-#define CHT_IMEFILENAME2        "CINTLGNT.IME"
-#define CHT_IMEFILENAME3        "MSTCIPHA.IME"
-#define IMEID_CHT_VER42         (LANG_CHT | MAKEIMEVERSION(4, 2))
-#define IMEID_CHT_VER43         (LANG_CHT | MAKEIMEVERSION(4, 3))
-#define IMEID_CHT_VER44         (LANG_CHT | MAKEIMEVERSION(4, 4))
-#define IMEID_CHT_VER50         (LANG_CHT | MAKEIMEVERSION(5, 0))
-#define IMEID_CHT_VER51         (LANG_CHT | MAKEIMEVERSION(5, 1))
-#define IMEID_CHT_VER52         (LANG_CHT | MAKEIMEVERSION(5, 2))
-#define IMEID_CHT_VER60         (LANG_CHT | MAKEIMEVERSION(6, 0))
-#define IMEID_CHT_VER_VISTA     (LANG_CHT | MAKEIMEVERSION(7, 0))
-
-#define CHS_HKL                 ((HKL)(UINT_PTR)0xE00E0804)
-#define CHS_IMEFILENAME1        "PINTLGNT.IME"
-#define CHS_IMEFILENAME2        "MSSCIPYA.IME"
-#define IMEID_CHS_VER41         (LANG_CHS | MAKEIMEVERSION(4, 1))
-#define IMEID_CHS_VER42         (LANG_CHS | MAKEIMEVERSION(4, 2))
-#define IMEID_CHS_VER53         (LANG_CHS | MAKEIMEVERSION(5, 3))
-
-#define LANG() LOWORD((videodata->ime_hkl))
-#define PRIMLANG() ((WORD)PRIMARYLANGID(LANG()))
-#define SUBLANG() SUBLANGID(LANG())
-
-static void IME_UpdateInputLocale(SDL_VideoData *videodata);
-static void IME_ClearComposition(SDL_VideoData *videodata);
-static void IME_SetWindow(SDL_VideoData* videodata, HWND hwnd);
-static void IME_SetupAPI(SDL_VideoData *videodata);
-static DWORD IME_GetId(SDL_VideoData *videodata, UINT uIndex);
-static void IME_SendEditingEvent(SDL_VideoData *videodata);
-static void IME_DestroyTextures(SDL_VideoData *videodata);
-
-static SDL_bool UILess_SetupSinks(SDL_VideoData *videodata);
-static void UILess_ReleaseSinks(SDL_VideoData *videodata);
-static void UILess_EnableUIUpdates(SDL_VideoData *videodata);
-static void UILess_DisableUIUpdates(SDL_VideoData *videodata);
-
-static void
-IME_Init(SDL_VideoData *videodata, HWND hwnd)
-{
-    if (videodata->ime_initialized)
-        return;
-
-    videodata->ime_hwnd_main = hwnd;
-    if (SUCCEEDED(WIN_CoInitialize())) {
-        videodata->ime_com_initialized = SDL_TRUE;
-        CoCreateInstance(&CLSID_TF_ThreadMgr, NULL, CLSCTX_INPROC_SERVER, &IID_ITfThreadMgr, (LPVOID *)&videodata->ime_threadmgr);
-    }
-    videodata->ime_initialized = SDL_TRUE;
-    videodata->ime_himm32 = SDL_LoadObject("imm32.dll");
-    if (!videodata->ime_himm32) {
-        videodata->ime_available = SDL_FALSE;
-        SDL_ClearError();
-        return;
-    }
-    videodata->ImmLockIMC = (LPINPUTCONTEXT2 (WINAPI *)(HIMC))SDL_LoadFunction(videodata->ime_himm32, "ImmLockIMC");
-    videodata->ImmUnlockIMC = (BOOL (WINAPI *)(HIMC))SDL_LoadFunction(videodata->ime_himm32, "ImmUnlockIMC");
-    videodata->ImmLockIMCC = (LPVOID (WINAPI *)(HIMCC))SDL_LoadFunction(videodata->ime_himm32, "ImmLockIMCC");
-    videodata->ImmUnlockIMCC = (BOOL (WINAPI *)(HIMCC))SDL_LoadFunction(videodata->ime_himm32, "ImmUnlockIMCC");
-
-    IME_SetWindow(videodata, hwnd);
-    videodata->ime_himc = ImmGetContext(hwnd);
-    ImmReleaseContext(hwnd, videodata->ime_himc);
-    if (!videodata->ime_himc) {
-        videodata->ime_available = SDL_FALSE;
-        IME_Disable(videodata, hwnd);
-        return;
-    }
-    videodata->ime_available = SDL_TRUE;
-    IME_UpdateInputLocale(videodata);
-    IME_SetupAPI(videodata);
-    videodata->ime_uiless = UILess_SetupSinks(videodata);
-    IME_UpdateInputLocale(videodata);
-    IME_Disable(videodata, hwnd);
-}
-
-static void
-IME_Enable(SDL_VideoData *videodata, HWND hwnd)
-{
-    if (!videodata->ime_initialized || !videodata->ime_hwnd_current)
-        return;
-
-    if (!videodata->ime_available) {
-        IME_Disable(videodata, hwnd);
-        return;
-    }
-    if (videodata->ime_hwnd_current == videodata->ime_hwnd_main)
-        ImmAssociateContext(videodata->ime_hwnd_current, videodata->ime_himc);
-
-    videodata->ime_enabled = SDL_TRUE;
-    IME_UpdateInputLocale(videodata);
-    UILess_EnableUIUpdates(videodata);
-}
-
-static void
-IME_Disable(SDL_VideoData *videodata, HWND hwnd)
-{
-    if (!videodata->ime_initialized || !videodata->ime_hwnd_current)
-        return;
-
-    IME_ClearComposition(videodata);
-    if (videodata->ime_hwnd_current == videodata->ime_hwnd_main)
-        ImmAssociateContext(videodata->ime_hwnd_current, (HIMC)0);
-
-    videodata->ime_enabled = SDL_FALSE;
-    UILess_DisableUIUpdates(videodata);
-}
-
-static void
-IME_Quit(SDL_VideoData *videodata)
-{
-    if (!videodata->ime_initialized)
-        return;
-
-    UILess_ReleaseSinks(videodata);
-    if (videodata->ime_hwnd_main)
-        ImmAssociateContext(videodata->ime_hwnd_main, videodata->ime_himc);
-
-    videodata->ime_hwnd_main = 0;
-    videodata->ime_himc = 0;
-    if (videodata->ime_himm32) {
-        SDL_UnloadObject(videodata->ime_himm32);
-        videodata->ime_himm32 = 0;
-    }
-    if (videodata->ime_threadmgr) {
-        videodata->ime_threadmgr->lpVtbl->Release(videodata->ime_threadmgr);
-        videodata->ime_threadmgr = 0;
-    }
-    if (videodata->ime_com_initialized) {
-        WIN_CoUninitialize();
-        videodata->ime_com_initialized = SDL_FALSE;
-    }
-    IME_DestroyTextures(videodata);
-    videodata->ime_initialized = SDL_FALSE;
-}
-
-static void
-IME_GetReadingString(SDL_VideoData *videodata, HWND hwnd)
-{
-    DWORD id = 0;
-    HIMC himc = 0;
-    WCHAR buffer[16];
-    WCHAR *s = buffer;
-    DWORD len = 0;
-    INT err = 0;
-    BOOL vertical = FALSE;
-    UINT maxuilen = 0;
-
-    if (videodata->ime_uiless)
-        return;
-
-    videodata->ime_readingstring[0] = 0;
-    
-    id = IME_GetId(videodata, 0);
-    if (!id)
-        return;
-
-    himc = ImmGetContext(hwnd);
-    if (!himc)
-        return;
-
-    if (videodata->GetReadingString) {
-        len = videodata->GetReadingString(himc, 0, 0, &err, &vertical, &maxuilen);
-        if (len) {
-            if (len > SDL_arraysize(buffer))
-                len = SDL_arraysize(buffer);
-
-            len = videodata->GetReadingString(himc, len, s, &err, &vertical, &maxuilen);
-        }
-        SDL_wcslcpy(videodata->ime_readingstring, s, len);
-    }
-    else {
-        LPINPUTCONTEXT2 lpimc = videodata->ImmLockIMC(himc);
-        LPBYTE p = 0;
-        s = 0;
-        switch (id)
-        {
-        case IMEID_CHT_VER42:
-        case IMEID_CHT_VER43:
-        case IMEID_CHT_VER44:
-            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 24);
-            if (!p)
-                break;
-
-            len = *(DWORD *)(p + 7*4 + 32*4);
-            s = (WCHAR *)(p + 56);
-            break;
-        case IMEID_CHT_VER51:
-        case IMEID_CHT_VER52:
-        case IMEID_CHS_VER53:
-            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 4);
-            if (!p)
-                break;
-
-            p = *(LPBYTE *)((LPBYTE)p + 1*4 + 5*4);
-            if (!p)
-                break;
-
-            len = *(DWORD *)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2);
-            s = (WCHAR *)(p + 1*4 + (16*2+2*4) + 5*4);
-            break;
-        case IMEID_CHS_VER41:
-            {
-                int offset = (IME_GetId(videodata, 1) >= 0x00000002) ? 8 : 7;
-                p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + offset * 4);
-                if (!p)
-                    break;
-
-                len = *(DWORD *)(p + 7*4 + 16*2*4);
-                s = (WCHAR *)(p + 6*4 + 16*2*1);
-            }
-            break;
-        case IMEID_CHS_VER42:
-            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 1*4 + 1*4 + 6*4);
-            if (!p)
-                break;
-
-            len = *(DWORD *)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2);
-            s = (WCHAR *)(p + 1*4 + (16*2+2*4) + 5*4);
-            break;
-        }
-        if (s) {
-            size_t size = SDL_min((size_t)(len + 1), SDL_arraysize(videodata->ime_readingstring));
-            SDL_wcslcpy(videodata->ime_readingstring, s, size);
-        }
-
-        videodata->ImmUnlockIMCC(lpimc->hPrivate);
-        videodata->ImmUnlockIMC(himc);
-    }
-    ImmReleaseContext(hwnd, himc);
-    IME_SendEditingEvent(videodata);
-}
-
-static void
-IME_InputLangChanged(SDL_VideoData *videodata)
-{
-    UINT lang = PRIMLANG();
-    IME_UpdateInputLocale(videodata);
-    if (!videodata->ime_uiless)
-        videodata->ime_candlistindexbase = (videodata->ime_hkl == CHT_HKL_DAYI) ? 0 : 1;
-
-    IME_SetupAPI(videodata);
-    if (lang != PRIMLANG()) {
-        IME_ClearComposition(videodata);
-    }
-}
-
-static DWORD
-IME_GetId(SDL_VideoData *videodata, UINT uIndex)
-{
-    static HKL hklprev = 0;
-    static DWORD dwRet[2] = {0};
-    DWORD dwVerSize = 0;
-    DWORD dwVerHandle = 0;
-    LPVOID lpVerBuffer = 0;
-    LPVOID lpVerData = 0;
-    UINT cbVerData = 0;
-    char szTemp[256];
-    HKL hkl = 0;
-    DWORD dwLang = 0;
-    if (uIndex >= sizeof(dwRet) / sizeof(dwRet[0]))
-        return 0;
-
-    hkl = videodata->ime_hkl;
-    if (hklprev == hkl)
-        return dwRet[uIndex];
-
-    hklprev = hkl;
-    dwLang = ((DWORD_PTR)hkl & 0xffff);
-    if (videodata->ime_uiless && LANG() == LANG_CHT) {
-        dwRet[0] = IMEID_CHT_VER_VISTA;
-        dwRet[1] = 0;
-        return dwRet[0];
-    }
-    if (hkl != CHT_HKL_NEW_PHONETIC
-        && hkl != CHT_HKL_NEW_CHANG_JIE
-        && hkl != CHT_HKL_NEW_QUICK
-        && hkl != CHT_HKL_HK_CANTONESE
-        && hkl != CHS_HKL) {
-        dwRet[0] = dwRet[1] = 0;
-        return dwRet[uIndex];
-    }
-    if (ImmGetIMEFileNameA(hkl, szTemp, sizeof(szTemp) - 1) <= 0) {
-        dwRet[0] = dwRet[1] = 0;
-        return dwRet[uIndex];
-    }
-    if (!videodata->GetReadingString) {
-        #define LCID_INVARIANT MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT)
-        if (CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME1, -1) != 2
-            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME2, -1) != 2
-            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME3, -1) != 2
-            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHS_IMEFILENAME1, -1) != 2
-            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHS_IMEFILENAME2, -1) != 2) {
-            dwRet[0] = dwRet[1] = 0;
-            return dwRet[uIndex];
-        }
-        #undef LCID_INVARIANT
-        dwVerSize = GetFileVersionInfoSizeA(szTemp, &dwVerHandle);
-        if (dwVerSize) {
-            lpVerBuffer = SDL_malloc(dwVerSize);
-            if (lpVerBuffer) {
-                if (GetFileVersionInfoA(szTemp, dwVerHandle, dwVerSize, lpVerBuffer)) {
-                    if (VerQueryValueA(lpVerBuffer, "\\", &lpVerData, &cbVerData)) {
-                        #define pVerFixedInfo   ((VS_FIXEDFILEINFO FAR*)lpVerData)
-                        DWORD dwVer = pVerFixedInfo->dwFileVersionMS;
-                        dwVer = (dwVer & 0x00ff0000) << 8 | (dwVer & 0x000000ff) << 16;
-                        if ((videodata->GetReadingString) ||
-                            ((dwLang == LANG_CHT) && (
-                            dwVer == MAKEIMEVERSION(4, 2) ||
-                            dwVer == MAKEIMEVERSION(4, 3) ||
-                            dwVer == MAKEIMEVERSION(4, 4) ||
-                            dwVer == MAKEIMEVERSION(5, 0) ||
-                            dwVer == MAKEIMEVERSION(5, 1) ||
-                            dwVer == MAKEIMEVERSION(5, 2) ||
-                            dwVer == MAKEIMEVERSION(6, 0)))
-                            ||
-                            ((dwLang == LANG_CHS) && (
-                            dwVer == MAKEIMEVERSION(4, 1) ||
-                            dwVer == MAKEIMEVERSION(4, 2) ||
-                            dwVer == MAKEIMEVERSION(5, 3)))) {
-                            dwRet[0] = dwVer | dwLang;
-                            dwRet[1] = pVerFixedInfo->dwFileVersionLS;
-                            SDL_free(lpVerBuffer);
-                            return dwRet[0];
-                        }
-                        #undef pVerFixedInfo
-                    }
-                }
-            }
-            SDL_free(lpVerBuffer);
-        }
-    }
-    dwRet[0] = dwRet[1] = 0;
-    return dwRet[uIndex];
-}
-
-static void
-IME_SetupAPI(SDL_VideoData *videodata)
-{
-    char ime_file[MAX_PATH + 1];
-    void* hime = 0;
-    HKL hkl = 0;
-    videodata->GetReadingString = 0;
-    videodata->ShowReadingWindow = 0;
-    if (videodata->ime_uiless)
-        return;
-
-    hkl = videodata->ime_hkl;
-    if (ImmGetIMEFileNameA(hkl, ime_file, sizeof(ime_file) - 1) <= 0)
-        return;
-
-    hime = SDL_LoadObject(ime_file);
-    if (!hime)
-        return;
-
-    videodata->GetReadingString = (UINT (WINAPI *)(HIMC, UINT, LPWSTR, PINT, BOOL*, PUINT))
-        SDL_LoadFunction(hime, "GetReadingString");
-    videodata->ShowReadingWindow = (BOOL (WINAPI *)(HIMC, BOOL))
-        SDL_LoadFunction(hime, "ShowReadingWindow");
-
-    if (videodata->ShowReadingWindow) {
-        HIMC himc = ImmGetContext(videodata->ime_hwnd_current);
-        if (himc) {
-            videodata->ShowReadingWindow(himc, FALSE);
-            ImmReleaseContext(videodata->ime_hwnd_current, himc);
-        }
-    }
-}
-
-static void
-IME_SetWindow(SDL_VideoData* videodata, HWND hwnd)
-{
-    videodata->ime_hwnd_current = hwnd;
-    if (videodata->ime_threadmgr) {
-        struct ITfDocumentMgr *document_mgr = 0;
-        if (SUCCEEDED(videodata->ime_threadmgr->lpVtbl->AssociateFocus(videodata->ime_threadmgr, hwnd, NULL, &document_mgr))) {
-            if (document_mgr)
-                document_mgr->lpVtbl->Release(document_mgr);
-        }
-    }
-}
-
-static void
-IME_UpdateInputLocale(SDL_VideoData *videodata)
-{
-    static HKL hklprev = 0;
-    videodata->ime_hkl = GetKeyboardLayout(0);
-    if (hklprev == videodata->ime_hkl)
-        return;
-
-    hklprev = videodata->ime_hkl;
-    switch (PRIMLANG()) {
-    case LANG_CHINESE:
-        videodata->ime_candvertical = SDL_TRUE;
-        if (SUBLANG() == SUBLANG_CHINESE_SIMPLIFIED)
-            videodata->ime_candvertical = SDL_FALSE;
-
-        break;
-    case LANG_JAPANESE:
-        videodata->ime_candvertical = SDL_TRUE;
-        break;
-    case LANG_KOREAN:
-        videodata->ime_candvertical = SDL_FALSE;
-        break;
-    }
-}
-
-static void
-IME_ClearComposition(SDL_VideoData *videodata)
-{
-    HIMC himc = 0;
-    if (!videodata->ime_initialized)
-        return;
-
-    himc = ImmGetContext(videodata->ime_hwnd_current);
-    if (!himc)
-        return;
-
-    ImmNotifyIME(himc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
-    if (videodata->ime_uiless)
-        ImmSetCompositionString(himc, SCS_SETSTR, TEXT(""), sizeof(TCHAR), TEXT(""), sizeof(TCHAR));
-
-    ImmNotifyIME(himc, NI_CLOSECANDIDATE, 0, 0);
-    ImmReleaseContext(videodata->ime_hwnd_current, himc);
-    SDL_SendEditingText("", 0, 0);
-}
-
-static void
-IME_GetCompositionString(SDL_VideoData *videodata, HIMC himc, DWORD string)
-{
-    LONG length = ImmGetCompositionStringW(himc, string, videodata->ime_composition, sizeof(videodata->ime_composition) - sizeof(videodata->ime_composition[0]));
-    if (length < 0)
-        length = 0;
-
-    length /= sizeof(videodata->ime_composition[0]);
-    videodata->ime_cursor = LOWORD(ImmGetCompositionStringW(himc, GCS_CURSORPOS, 0, 0));
-    if (videodata->ime_cursor < SDL_arraysize(videodata->ime_composition) && videodata->ime_composition[videodata->ime_cursor] == 0x3000) {
-        int i;
-        for (i = videodata->ime_cursor + 1; i < length; ++i)
-            videodata->ime_composition[i - 1] = videodata->ime_composition[i];
-
-        --length;
-    }
-    videodata->ime_composition[length] = 0;
-}
-
-static void
-IME_SendInputEvent(SDL_VideoData *videodata)
-{
-    char *s = 0;
-    s = WIN_StringToUTF8(videodata->ime_composition);
-    SDL_SendKeyboardText(s);
-    SDL_free(s);
-
-    videodata->ime_composition[0] = 0;
-    videodata->ime_readingstring[0] = 0;
-    videodata->ime_cursor = 0;
-}
-
-static void
-IME_SendEditingEvent(SDL_VideoData *videodata)
-{
-    char *s = 0;
-    WCHAR buffer[SDL_TEXTEDITINGEVENT_TEXT_SIZE];
-    const size_t size = SDL_arraysize(buffer);
-    buffer[0] = 0;
-    if (videodata->ime_readingstring[0]) {
-        size_t len = SDL_min(SDL_wcslen(videodata->ime_composition), (size_t)videodata->ime_cursor);
-        SDL_wcslcpy(buffer, videodata->ime_composition, len + 1);
-        SDL_wcslcat(buffer, videodata->ime_readingstring, size);
-        SDL_wcslcat(buffer, &videodata->ime_composition[len], size);
-    }
-    else {
-        SDL_wcslcpy(buffer, videodata->ime_composition, size);
-    }
-    s = WIN_StringToUTF8(buffer);
-    SDL_SendEditingText(s, videodata->ime_cursor + (int)SDL_wcslen(videodata->ime_readingstring), 0);
-    SDL_free(s);
-}
-
-static void
-IME_AddCandidate(SDL_VideoData *videodata, UINT i, LPCWSTR candidate)
-{
-    LPWSTR dst = videodata->ime_candidates[i];
-    *dst++ = (WCHAR)(TEXT('0') + ((i + videodata->ime_candlistindexbase) % 10));
-    if (videodata->ime_candvertical)
-        *dst++ = TEXT(' ');
-
-    while (*candidate && (SDL_arraysize(videodata->ime_candidates[i]) > (dst - videodata->ime_candidates[i])))
-        *dst++ = *candidate++;
-
-    *dst = (WCHAR)'\0';
-}
-
-static void
-IME_GetCandidateList(HIMC himc, SDL_VideoData *videodata)
-{
-    LPCANDIDATELIST cand_list = 0;
-    DWORD size = ImmGetCandidateListW(himc, 0, 0, 0);
-    if (size) {
-        cand_list = (LPCANDIDATELIST)SDL_malloc(size);
-        if (cand_list) {
-            size = ImmGetCandidateListW(himc, 0, cand_list, size);
-            if (size) {
-                UINT i, j;
-                UINT page_start = 0;
-                videodata->ime_candsel = cand_list->dwSelection;
-                videodata->ime_candcount = cand_list->dwCount;
-
-                if (LANG() == LANG_CHS && IME_GetId(videodata, 0)) {
-                    const UINT maxcandchar = 18;
-                    size_t cchars = 0;
-
-                    for (i = 0; i < videodata->ime_candcount; ++i) {
-                        size_t len = SDL_wcslen((LPWSTR)((DWORD_PTR)cand_list + cand_list->dwOffset[i])) + 1;
-                        if (len + cchars > maxcandchar) {
-                            if (i > cand_list->dwSelection)
-                                break;
-
-                            page_start = i;
-                            cchars = len;
-                        }
-                        else {
-                            cchars += len;
-                        }
-                    }
-                    videodata->ime_candpgsize = i - page_start;
-                } else {
-                    videodata->ime_candpgsize = SDL_min(cand_list->dwPageSize, MAX_CANDLIST);
-                    if (videodata->ime_candpgsize > 0) {
-                        page_start = (cand_list->dwSelection / videodata->ime_candpgsize) * videodata->ime_candpgsize;
-                    } else {
-                        page_start = 0;
-                    }
-                }
-                SDL_memset(&videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
-                for (i = page_start, j = 0; (DWORD)i < cand_list->dwCount && j < (int)videodata->ime_candpgsize; i++, j++) {
-                    LPCWSTR candidate = (LPCWSTR)((DWORD_PTR)cand_list + cand_list->dwOffset[i]);
-                    IME_AddCandidate(videodata, j, candidate);
-                }
-                if (PRIMLANG() == LANG_KOREAN || (PRIMLANG() == LANG_CHT && !IME_GetId(videodata, 0)))
-                    videodata->ime_candsel = -1;
-
-            }
-            SDL_free(cand_list);
-        }
-    }
-}
-
-static void
-IME_ShowCandidateList(SDL_VideoData *videodata)
-{
-    videodata->ime_dirty = SDL_TRUE;
-    videodata->ime_candlist = SDL_TRUE;
-    IME_DestroyTextures(videodata);
-    IME_SendEditingEvent(videodata);
-}
-
-static void
-IME_HideCandidateList(SDL_VideoData *videodata)
-{
-    videodata->ime_dirty = SDL_FALSE;
-    videodata->ime_candlist = SDL_FALSE;
-    IME_DestroyTextures(videodata);
-    IME_SendEditingEvent(videodata);
-}
-
-SDL_bool
-IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SDL_VideoData *videodata)
-{
-    SDL_bool trap = SDL_FALSE;
-    HIMC himc = 0;
-    if (!videodata->ime_initialized || !videodata->ime_available || !videodata->ime_enabled)
-        return SDL_FALSE;
-
-    switch (msg) {
-    case WM_INPUTLANGCHANGE:
-        IME_InputLangChanged(videodata);
-        break;
-    case WM_IME_SETCONTEXT:
-        *lParam = 0;
-        break;
-    case WM_IME_STARTCOMPOSITION:
-        trap = SDL_TRUE;
-        break;
-    case WM_IME_COMPOSITION:
-        trap = SDL_TRUE;
-        himc = ImmGetContext(hwnd);
-        if (*lParam & GCS_RESULTSTR) {
-            IME_GetCompositionString(videodata, himc, GCS_RESULTSTR);
-            IME_SendInputEvent(videodata);
-        }
-        if (*lParam & GCS_COMPSTR) {
-            if (!videodata->ime_uiless)
-                videodata->ime_readingstring[0] = 0;
-
-            IME_GetCompositionString(videodata, himc, GCS_COMPSTR);
-            IME_SendEditingEvent(videodata);
-        }
-        ImmReleaseContext(hwnd, himc);
-        break;
-    case WM_IME_ENDCOMPOSITION:
-        videodata->ime_composition[0] = 0;
-        videodata->ime_readingstring[0] = 0;
-        videodata->ime_cursor = 0;
-        SDL_SendEditingText("", 0, 0);
-        break;
-    case WM_IME_NOTIFY:
-        switch (wParam) {
-        case IMN_SETCONVERSIONMODE:
-        case IMN_SETOPENSTATUS:
-            IME_UpdateInputLocale(videodata);
-            break;
-        case IMN_OPENCANDIDATE:
-        case IMN_CHANGECANDIDATE:
-            if (videodata->ime_uiless)
-                break;
-
-            trap = SDL_TRUE;
-            IME_ShowCandidateList(videodata);
-            himc = ImmGetContext(hwnd);
-            if (!himc)
-                break;
-
-            IME_GetCandidateList(himc, videodata);
-            ImmReleaseContext(hwnd, himc);
-            break;
-        case IMN_CLOSECANDIDATE:
-            trap = SDL_TRUE;
-            IME_HideCandidateList(videodata);
-            break;
-        case IMN_PRIVATE:
-            {
-                DWORD dwId = IME_GetId(videodata, 0);
-                IME_GetReadingString(videodata, hwnd);
-                switch (dwId)
-                {
-                case IMEID_CHT_VER42:
-                case IMEID_CHT_VER43:
-                case IMEID_CHT_VER44:
-                case IMEID_CHS_VER41:
-                case IMEID_CHS_VER42:
-                    if (*lParam == 1 || *lParam == 2)
-                        trap = SDL_TRUE;
-
-                    break;
-                case IMEID_CHT_VER50:
-                case IMEID_CHT_VER51:
-                case IMEID_CHT_VER52:
-                case IMEID_CHT_VER60:
-                case IMEID_CHS_VER53:
-                    if (*lParam == 16
-                        || *lParam == 17
-                        || *lParam == 26
-                        || *lParam == 27
-                        || *lParam == 28)
-                        trap = SDL_TRUE;
-                    break;
-                }
-            }
-            break;
-        default:
-            trap = SDL_TRUE;
-            break;
-        }
-        break;
-    }
-    return trap;
-}
-
-static void
-IME_CloseCandidateList(SDL_VideoData *videodata)
-{
-    IME_HideCandidateList(videodata);
-    videodata->ime_candcount = 0;
-    SDL_memset(videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
-}
-
-static void
-UILess_GetCandidateList(SDL_VideoData *videodata, ITfCandidateListUIElement *pcandlist)
-{
-    UINT selection = 0;
-    UINT count = 0;
-    UINT page = 0;
-    UINT pgcount = 0;
-    DWORD pgstart = 0;
-    DWORD pgsize = 0;
-    UINT i, j;
-    pcandlist->lpVtbl->GetSelection(pcandlist, &selection);
-    pcandlist->lpVtbl->GetCount(pcandlist, &count);
-    pcandlist->lpVtbl->GetCurrentPage(pcandlist, &page);
-
-    videodata->ime_candsel = selection;
-    videodata->ime_candcount = count;
-    IME_ShowCandidateList(videodata);
-
-    pcandlist->lpVtbl->GetPageIndex(pcandlist, 0, 0, &pgcount);
-    if (pgcount > 0) {
-        UINT *idxlist = SDL_malloc(sizeof(UINT) * pgcount);
-        if (idxlist) {
-            pcandlist->lpVtbl->GetPageIndex(pcandlist, idxlist, pgcount, &pgcount);
-            pgstart = idxlist[page];
-            if (page < pgcount - 1)
-                pgsize = SDL_min(count, idxlist[page + 1]) - pgstart;
-            else
-                pgsize = count - pgstart;
-
-            SDL_free(idxlist);
-        }
-    }
-    videodata->ime_candpgsize = SDL_min(pgsize, MAX_CANDLIST);
-    videodata->ime_candsel = videodata->ime_candsel - pgstart;
-
-    SDL_memset(videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
-    for (i = pgstart, j = 0; (DWORD)i < count && j < videodata->ime_candpgsize; i++, j++) {
-        BSTR bstr;
-        if (SUCCEEDED(pcandlist->lpVtbl->GetString(pcandlist, i, &bstr))) {
-            if (bstr) {
-                IME_AddCandidate(videodata, j, bstr);
-                SysFreeString(bstr);
-            }
-        }
-    }
-    if (PRIMLANG() == LANG_KOREAN)
-        videodata->ime_candsel = -1;
-}
-
-STDMETHODIMP_(ULONG) TSFSink_AddRef(TSFSink *sink)
-{
-    return ++sink->refcount;
-}
-
-STDMETHODIMP_(ULONG) TSFSink_Release(TSFSink *sink)
-{
-    --sink->refcount;
-    if (sink->refcount == 0) {
-        SDL_free(sink);
-        return 0;
-    }
-    return sink->refcount;
-}
-
-STDMETHODIMP UIElementSink_QueryInterface(TSFSink *sink, REFIID riid, PVOID *ppv)
-{
-    if (!ppv)
-        return E_INVALIDARG;
-
-    *ppv = 0;
-    if (WIN_IsEqualIID(riid, &IID_IUnknown))
-        *ppv = (IUnknown *)sink;
-    else if (WIN_IsEqualIID(riid, &IID_ITfUIElementSink))
-        *ppv = (ITfUIElementSink *)sink;
-
-    if (*ppv) {
-        TSFSink_AddRef(sink);
-        return S_OK;
-    }
-    return E_NOINTERFACE;
-}
-
-ITfUIElement *UILess_GetUIElement(SDL_VideoData *videodata, DWORD dwUIElementId)
-{
-    ITfUIElementMgr *puiem = 0;
-    ITfUIElement *pelem = 0;
-    ITfThreadMgrEx *threadmgrex = videodata->ime_threadmgrex;
-
-    if (SUCCEEDED(threadmgrex->lpVtbl->QueryInterface(threadmgrex, &IID_ITfUIElementMgr, (LPVOID *)&puiem))) {
-        puiem->lpVtbl->GetUIElement(puiem, dwUIElementId, &pelem);
-        puiem->lpVtbl->Release(puiem);
-    }
-    return pelem;
-}
-
-STDMETHODIMP UIElementSink_BeginUIElement(TSFSink *sink, DWORD dwUIElementId, BOOL *pbShow)
-{
-    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
-    ITfReadingInformationUIElement *preading = 0;
-    ITfCandidateListUIElement *pcandlist = 0;
-    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
-    if (!element)
-        return E_INVALIDARG;
-
-    *pbShow = FALSE;
-    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
-        BSTR bstr;
-        if (SUCCEEDED(preading->lpVtbl->GetString(preading, &bstr)) && bstr) {
-            SysFreeString(bstr);
-        }
-        preading->lpVtbl->Release(preading);
-    }
-    else if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist))) {
-        videodata->ime_candref++;
-        UILess_GetCandidateList(videodata, pcandlist);
-        pcandlist->lpVtbl->Release(pcandlist);
-    }
-    return S_OK;
-}
-
-STDMETHODIMP UIElementSink_UpdateUIElement(TSFSink *sink, DWORD dwUIElementId)
-{
-    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
-    ITfReadingInformationUIElement *preading = 0;
-    ITfCandidateListUIElement *pcandlist = 0;
-    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
-    if (!element)
-        return E_INVALIDARG;
-
-    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
-        BSTR bstr;
-        if (SUCCEEDED(preading->lpVtbl->GetString(preading, &bstr)) && bstr) {
-            WCHAR *s = (WCHAR *)bstr;
-            SDL_wcslcpy(videodata->ime_readingstring, s, SDL_arraysize(videodata->ime_readingstring));
-            IME_SendEditingEvent(videodata);
-            SysFreeString(bstr);
-        }
-        preading->lpVtbl->Release(preading);
-    }
-    else if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist))) {
-        UILess_GetCandidateList(videodata, pcandlist);
-        pcandlist->lpVtbl->Release(pcandlist);
-    }
-    return S_OK;
-}
-
-STDMETHODIMP UIElementSink_EndUIElement(TSFSink *sink, DWORD dwUIElementId)
-{
-    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
-    ITfReadingInformationUIElement *preading = 0;
-    ITfCandidateListUIElement *pcandlist = 0;
-    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
-    if (!element)
-        return E_INVALIDARG;
-
-    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
-        videodata->ime_readingstring[0] = 0;
-        IME_SendEditingEvent(videodata);
-        preading->lpVtbl->Release(preading);
-    }
-    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist))) {
-        videodata->ime_candref--;
-        if (videodata->ime_candref == 0)
-            IME_CloseCandidateList(videodata);
-
-        pcandlist->lpVtbl->Release(pcandlist);
-    }
-    return S_OK;
-}
-
-STDMETHODIMP IPPASink_QueryInterface(TSFSink *sink, REFIID riid, PVOID *ppv)
-{
-    if (!ppv)
-        return E_INVALIDARG;
-
-    *ppv = 0;
-    if (WIN_IsEqualIID(riid, &IID_IUnknown))
-        *ppv = (IUnknown *)sink;
-    else if (WIN_IsEqualIID(riid, &IID_ITfInputProcessorProfileActivationSink))
-        *ppv = (ITfInputProcessorProfileActivationSink *)sink;
-
-    if (*ppv) {
-        TSFSink_AddRef(sink);
-        return S_OK;
-    }
-    return E_NOINTERFACE;
-}
-
-STDMETHODIMP IPPASink_OnActivated(TSFSink *sink, DWORD dwProfileType, LANGID langid, REFCLSID clsid, REFGUID catid, REFGUID guidProfile, HKL hkl, DWORD dwFlags)
-{
-    static const GUID TF_PROFILE_DAYI = { 0x037B2C25, 0x480C, 0x4D7F, { 0xB0, 0x27, 0xD6, 0xCA, 0x6B, 0x69, 0x78, 0x8A } };
-    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
-    videodata->ime_candlistindexbase = WIN_IsEqualGUID(&TF_PROFILE_DAYI, guidProfile) ? 0 : 1;
-    if (WIN_IsEqualIID(catid, &GUID_TFCAT_TIP_KEYBOARD) && (dwFlags & TF_IPSINK_FLAG_ACTIVE))
-        IME_InputLangChanged((SDL_VideoData *)sink->data);
-
-    IME_HideCandidateList(videodata);
-    return S_OK;
-}
-
-static void *vtUIElementSink[] = {
-    (void *)(UIElementSink_QueryInterface),
-    (void *)(TSFSink_AddRef),
-    (void *)(TSFSink_Release),
-    (void *)(UIElementSink_BeginUIElement),
-    (void *)(UIElementSink_UpdateUIElement),
-    (void *)(UIElementSink_EndUIElement)
-};
-
-static void *vtIPPASink[] = {
-    (void *)(IPPASink_QueryInterface),
-    (void *)(TSFSink_AddRef),
-    (void *)(TSFSink_Release),
-    (void *)(IPPASink_OnActivated)
-};
-
-static void
-UILess_EnableUIUpdates(SDL_VideoData *videodata)
-{
-    ITfSource *source = 0;
-    if (!videodata->ime_threadmgrex || videodata->ime_uielemsinkcookie != TF_INVALID_COOKIE)
-        return;
-
-    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
-        source->lpVtbl->AdviseSink(source, &IID_ITfUIElementSink, (IUnknown *)videodata->ime_uielemsink, &videodata->ime_uielemsinkcookie);
-        source->lpVtbl->Release(source);
-    }
-}
-
-static void
-UILess_DisableUIUpdates(SDL_VideoData *videodata)
-{
-    ITfSource *source = 0;
-    if (!videodata->ime_threadmgrex || videodata->ime_uielemsinkcookie == TF_INVALID_COOKIE)
-        return;
-
-    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
-        source->lpVtbl->UnadviseSink(source, videodata->ime_uielemsinkcookie);
-        videodata->ime_uielemsinkcookie = TF_INVALID_COOKIE;
-        source->lpVtbl->Release(source);
-    }
-}
-
-static SDL_bool
-UILess_SetupSinks(SDL_VideoData *videodata)
-{
-    TfClientId clientid = 0;
-    SDL_bool result = SDL_FALSE;
-    ITfSource *source = 0;
-    if (FAILED(CoCreateInstance(&CLSID_TF_ThreadMgr, NULL, CLSCTX_INPROC_SERVER, &IID_ITfThreadMgrEx, (LPVOID *)&videodata->ime_threadmgrex)))
-        return SDL_FALSE;
-
-    if (FAILED(videodata->ime_threadmgrex->lpVtbl->ActivateEx(videodata->ime_threadmgrex, &clientid, TF_TMAE_UIELEMENTENABLEDONLY)))
-        return SDL_FALSE;
-
-    videodata->ime_uielemsink = SDL_malloc(sizeof(TSFSink));
-    videodata->ime_ippasink = SDL_malloc(sizeof(TSFSink));
-
-    videodata->ime_uielemsink->lpVtbl = vtUIElementSink;
-    videodata->ime_uielemsink->refcount = 1;
-    videodata->ime_uielemsink->data = videodata;
-
-    videodata->ime_ippasink->lpVtbl = vtIPPASink;
-    videodata->ime_ippasink->refcount = 1;
-    videodata->ime_ippasink->data = videodata;
-
-    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
-        if (SUCCEEDED(source->lpVtbl->AdviseSink(source, &IID_ITfUIElementSink, (IUnknown *)videodata->ime_uielemsink, &videodata->ime_uielemsinkcookie))) {
-            if (SUCCEEDED(source->lpVtbl->AdviseSink(source, &IID_ITfInputProcessorProfileActivationSink, (IUnknown *)videodata->ime_ippasink, &videodata->ime_alpnsinkcookie))) {
-                result = SDL_TRUE;
-            }
-        }
-        source->lpVtbl->Release(source);
-    }
-    return result;
-}
-
-#define SAFE_RELEASE(p)                             \
-{                                                   \
-    if (p) {                                        \
-        (p)->lpVtbl->Release((p));                  \
-        (p) = 0;                                    \
-    }                                               \
-}
-
-static void
-UILess_ReleaseSinks(SDL_VideoData *videodata)
-{
-    ITfSource *source = 0;
-    if (videodata->ime_threadmgrex && SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
-        source->lpVtbl->UnadviseSink(source, videodata->ime_uielemsinkcookie);
-        source->lpVtbl->UnadviseSink(source, videodata->ime_alpnsinkcookie);
-        SAFE_RELEASE(source);
-        videodata->ime_threadmgrex->lpVtbl->Deactivate(videodata->ime_threadmgrex);
-        SAFE_RELEASE(videodata->ime_threadmgrex);
-        TSFSink_Release(videodata->ime_uielemsink);
-        videodata->ime_uielemsink = 0;
-        TSFSink_Release(videodata->ime_ippasink);
-        videodata->ime_ippasink = 0;
-    }
-}
-
-static void *
-StartDrawToBitmap(HDC hdc, HBITMAP *hhbm, int width, int height)
-{
-    BITMAPINFO info;
-    BITMAPINFOHEADER *infoHeader = &info.bmiHeader;
-    BYTE *bits = NULL;
-    if (hhbm) {
-        SDL_zero(info);
-        infoHeader->biSize = sizeof(BITMAPINFOHEADER);
-        infoHeader->biWidth = width;
-        infoHeader->biHeight = -1 * SDL_abs(height);
-        infoHeader->biPlanes = 1;
-        infoHeader->biBitCount = 32;
-        infoHeader->biCompression = BI_RGB;
-        *hhbm = CreateDIBSection(hdc, &info, DIB_RGB_COLORS, (void **)&bits, 0, 0);
-        if (*hhbm)
-            SelectObject(hdc, *hhbm);
-    }
-    return bits;
-}
-
-static void
-StopDrawToBitmap(HDC hdc, HBITMAP *hhbm)
-{
-    if (hhbm && *hhbm) {
-        DeleteObject(*hhbm);
-        *hhbm = NULL;
-    }
-}
-
-/* This draws only within the specified area and fills the entire region. */
-static void
-DrawRect(HDC hdc, int left, int top, int right, int bottom, int pensize)
-{
-    /* The case of no pen (PenSize = 0) is automatically taken care of. */
-    const int penadjust = (int)SDL_floor(pensize / 2.0f - 0.5f);
-    left += pensize / 2;
-    top += pensize / 2;
-    right -= penadjust;
-    bottom -= penadjust;
-    Rectangle(hdc, left, top, right, bottom);
-}
-
-static void
-IME_DestroyTextures(SDL_VideoData *videodata)
-{
-}
-
-#define SDL_swap(a,b) { \
-    int c = (a);        \
-    (a) = (b);          \
-    (b) = c;            \
-    }
-
-static void
-IME_PositionCandidateList(SDL_VideoData *videodata, SIZE size)
-{
-    int left, top, right, bottom;
-    SDL_bool ok = SDL_FALSE;
-    int winw = videodata->ime_winwidth;
-    int winh = videodata->ime_winheight;
-
-    /* Bottom */
-    left = videodata->ime_rect.x;
-    top = videodata->ime_rect.y + videodata->ime_rect.h;
-    right = left + size.cx;
-    bottom = top + size.cy;
-    if (right >= winw) {
-        left -= right - winw;
-        right = winw;
-    }
-    if (bottom < winh)
-        ok = SDL_TRUE;
-
-    /* Top */
-    if (!ok) {
-        left = videodata->ime_rect.x;
-        top = videodata->ime_rect.y - size.cy;
-        right = left + size.cx;
-        bottom = videodata->ime_rect.y;
-        if (right >= winw) {
-            left -= right - winw;
-            right = winw;
-        }
-        if (top >= 0)
-            ok = SDL_TRUE;
-    }
-
-    /* Right */
-    if (!ok) {
-        left = videodata->ime_rect.x + size.cx;
-        top = 0;
-        right = left + size.cx;
-        bottom = size.cy;
-        if (right < winw)
-            ok = SDL_TRUE;
-    }
-
-    /* Left */
-    if (!ok) {
-        left = videodata->ime_rect.x - size.cx;
-        top = 0;
-        right = videodata->ime_rect.x;
-        bottom = size.cy;
-        if (right >= 0)
-            ok = SDL_TRUE;
-    }
-
-    /* Window too small, show at (0,0) */
-    if (!ok) {
-        left = 0;
-        top = 0;
-        right = size.cx;
-        bottom = size.cy;
-    }
-
-    videodata->ime_candlistrect.x = left;
-    videodata->ime_candlistrect.y = top;
-    videodata->ime_candlistrect.w = right - left;
-    videodata->ime_candlistrect.h = bottom - top;
-}
-
-static void
-IME_RenderCandidateList(SDL_VideoData *videodata, HDC hdc)
-{
-    int i, j;
-    SIZE size = {0};
-    SIZE candsizes[MAX_CANDLIST];
-    SIZE maxcandsize = {0};
-    HBITMAP hbm = NULL;
-    const int candcount = SDL_min(SDL_min(MAX_CANDLIST, videodata->ime_candcount), videodata->ime_candpgsize);
-    SDL_bool vertical = videodata->ime_candvertical;
-
-    const int listborder = 1;
-    const int listpadding = 0;
-    const int listbordercolor = RGB(0xB4, 0xC7, 0xAA);
-    const int listfillcolor = RGB(255, 255, 255);
-
-    const int candborder = 1;
-    const int candpadding = 0;
-    const int candmargin = 1;
-    const COLORREF candbordercolor = RGB(255, 255, 255);
-    const COLORREF candfillcolor = RGB(255, 255, 255);
-    const COLORREF candtextcolor = RGB(0, 0, 0);
-    const COLORREF selbordercolor = RGB(0x84, 0xAC, 0xDD);
-    const COLORREF selfillcolor = RGB(0xD2, 0xE6, 0xFF);
-    const COLORREF seltextcolor = RGB(0, 0, 0);
-    const int horzcandspacing = 5;
-
-    HPEN listpen = listborder != 0 ? CreatePen(PS_SOLID, listborder, listbordercolor) : (HPEN)GetStockObject(NULL_PEN);
-    HBRUSH listbrush = CreateSolidBrush(listfillcolor);
-    HPEN candpen = candborder != 0 ? CreatePen(PS_SOLID, candborder, candbordercolor) : (HPEN)GetStockObject(NULL_PEN);
-    HBRUSH candbrush = CreateSolidBrush(candfillcolor);
-    HPEN selpen = candborder != 0 ? CreatePen(PS_DOT, candborder, selbordercolor) : (HPEN)GetStockObject(NULL_PEN);
-    HBRUSH selbrush = CreateSolidBrush(selfillcolor);
-    HFONT font = CreateFont((int)(1 + videodata->ime_rect.h * 0.75f), 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, DEFAULT_CHARSET, OUT_CHARACTER_PRECIS, CLIP_DEFAULT_PRECIS, PROOF_QUALITY, VARIABLE_PITCH | FF_SWISS, TEXT("Microsoft Sans Serif"));
-
-    SetBkMode(hdc, TRANSPARENT);
-    SelectObject(hdc, font);
-
-    for (i = 0; i < candcount; ++i) {
-        const WCHAR *s = videodata->ime_candidates[i];
-        if (!*s)
-            break;
-
-        GetTextExtentPoint32W(hdc, s, (int)SDL_wcslen(s), &candsizes[i]);
-        maxcandsize.cx = SDL_max(maxcandsize.cx, candsizes[i].cx);
-        maxcandsize.cy = SDL_max(maxcandsize.cy, candsizes[i].cy);
-
-    }
-    if (vertical) {
-        size.cx =
-            (listborder * 2) +
-            (listpadding * 2) +
-            (candmargin * 2) +
-            (candborder * 2) +
-            (candpadding * 2) +
-            (maxcandsize.cx)
-            ;
-        size.cy =
-            (listborder * 2) +
-            (listpadding * 2) +
-            ((candcount + 1) * candmargin) +
-            (candcount * candborder * 2) +
-            (candcount * candpadding * 2) +
-            (candcount * maxcandsize.cy)
-            ;
-    }
-    else {
-        size.cx =
-            (listborder * 2) +
-            (listpadding * 2) +
-            ((candcount + 1) * candmargin) +
-            (candcount * candborder * 2) +
-            (candcount * candpadding * 2) +
-            ((candcount - 1) * horzcandspacing);
-        ;
-
-        for (i = 0; i < candcount; ++i)
-            size.cx += candsizes[i].cx;
-
-        size.cy =
-            (listborder * 2) +
-            (listpadding * 2) +
-            (candmargin * 2) +
-            (candborder * 2) +
-            (candpadding * 2) +
-            (maxcandsize.cy)
-            ;
-    }
-
-    StartDrawToBitmap(hdc, &hbm, size.cx, size.cy);
-
-    SelectObject(hdc, listpen);
-    SelectObject(hdc, listbrush);
-    DrawRect(hdc, 0, 0, size.cx, size.cy, listborder);
-
-    SelectObject(hdc, candpen);
-    SelectObject(hdc, candbrush);
-    SetTextColor(hdc, candtextcolor);
-    SetBkMode(hdc, TRANSPARENT);
-
-    for (i = 0; i < candcount; ++i) {
-        const WCHAR *s = videodata->ime_candidates[i];
-        int left, top, right, bottom;
-        if (!*s)
-            break;
-
-        if (vertical) {
-            left = listborder + listpadding + candmargin;
-            top = listborder + listpadding + (i * candborder * 2) + (i * candpadding * 2) + ((i + 1) * candmargin) + (i * maxcandsize.cy);
-            right = size.cx - listborder - listpadding - candmargin;
-            bottom = top + maxcandsize.cy + (candpadding * 2) + (candborder * 2);
-        }
-        else {
-            left = listborder + listpadding + (i * candborder * 2) + (i * candpadding * 2) + ((i + 1) * candmargin) + (i * horzcandspacing);
-
-            for (j = 0; j < i; ++j)
-                left += candsizes[j].cx;
-
-            top = listborder + listpadding + candmargin;
-            right = left + candsizes[i].cx + (candpadding * 2) + (candborder * 2);
-            bottom = size.cy - listborder - listpadding - candmargin;
-        }
-
-        if (i == videodata->ime_candsel) {
-            SelectObject(hdc, selpen);
-            SelectObject(hdc, selbrush);
-            SetTextColor(hdc, seltextcolor);
-        }
-        else {
-            SelectObject(hdc, candpen);
-            SelectObject(hdc, candbrush);
-            SetTextColor(hdc, candtextcolor);
-        }
-
-        DrawRect(hdc, left, top, right, bottom, candborder);
-        ExtTextOutW(hdc, left + candborder + candpadding, top + candborder + candpadding, 0, NULL, s, (int)SDL_wcslen(s), NULL);
-    }
-    StopDrawToBitmap(hdc, &hbm);
-
-    DeleteObject(listpen);
-    DeleteObject(listbrush);
-    DeleteObject(candpen);
-    DeleteObject(candbrush);
-    DeleteObject(selpen);
-    DeleteObject(selbrush);
-    DeleteObject(font);
-
-    IME_PositionCandidateList(videodata, size);
-}
-
-static void
-IME_Render(SDL_VideoData *videodata)
-{
-    HDC hdc = CreateCompatibleDC(NULL);
-
-    if (videodata->ime_candlist)
-        IME_RenderCandidateList(videodata, hdc);
-
-    DeleteDC(hdc);
-
-    videodata->ime_dirty = SDL_FALSE;
-}
-
-void IME_Present(SDL_VideoData *videodata)
-{
-    if (videodata->ime_dirty)
-        IME_Render(videodata);
-
-    /* FIXME: Need to show the IME bitmap */
-}
-
-#endif /* SDL_DISABLE_WINDOWS_IME */
-
-#endif /* SDL_VIDEO_DRIVER_WINDOWS */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowskeyboard.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowskeyboard.h
deleted file mode 100644
index 49a1b87..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowskeyboard.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#ifndef SDL_windowskeyboard_h_
-#define SDL_windowskeyboard_h_
-
-extern void WIN_InitKeyboard(_THIS);
-extern void WIN_UpdateKeymap(void);
-extern void WIN_QuitKeyboard(_THIS);
-
-extern void WIN_ResetDeadKeys(void);
-
-extern void WIN_StartTextInput(_THIS);
-extern void WIN_StopTextInput(_THIS);
-extern void WIN_SetTextInputRect(_THIS, SDL_Rect *rect);
-
-extern SDL_bool IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, struct SDL_VideoData *videodata);
-
-#endif /* SDL_windowskeyboard_h_ */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmessagebox.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmessagebox.c
deleted file mode 100644
index 9ddb9e2..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmessagebox.c
+++ /dev/null
@@ -1,905 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_DRIVER_WINDOWS
-
-#ifdef HAVE_LIMITS_H
-#include <limits.h>
-#else
-#ifndef SIZE_MAX
-#define SIZE_MAX ((size_t)-1)
-#endif
-#endif
-
-#include "../../core/windows/SDL_windows.h"
-
-#include "SDL_assert.h"
-#include "SDL_windowsvideo.h"
-#include "SDL_windowstaskdialog.h"
-
-#ifndef SS_EDITCONTROL
-#define SS_EDITCONTROL  0x2000
-#endif
-
-#ifndef IDOK
-#define IDOK 1
-#endif
-
-#ifndef IDCANCEL
-#define IDCANCEL 2
-#endif
-
-/* Custom dialog return codes */
-#define IDCLOSED 20
-#define IDINVALPTRINIT 50
-#define IDINVALPTRCOMMAND 51
-#define IDINVALPTRSETFOCUS 52
-#define IDINVALPTRDLGITEM 53
-/* First button ID */
-#define IDBUTTONINDEX0 100
-
-#define DLGITEMTYPEBUTTON 0x0080
-#define DLGITEMTYPESTATIC 0x0082
-
-/* Windows only sends the lower 16 bits of the control ID when a button
- * gets clicked. There are also some predefined and custom IDs that lower
- * the available number further. 2^16 - 101 buttons should be enough for
- * everyone, no need to make the code more complex.
- */
-#define MAX_BUTTONS (0xffff - 100)
-
-
-/* Display a Windows message box */
-
-#pragma pack(push, 1)
-
-typedef struct
-{
-    WORD dlgVer;
-    WORD signature;
-    DWORD helpID;
-    DWORD exStyle;
-    DWORD style;
-    WORD cDlgItems;
-    short x;
-    short y;
-    short cx;
-    short cy;
-} DLGTEMPLATEEX;
-
-typedef struct
-{
-    DWORD helpID;
-    DWORD exStyle;
-    DWORD style;
-    short x;
-    short y;
-    short cx;
-    short cy;
-    DWORD id;
-} DLGITEMTEMPLATEEX;
-
-#pragma pack(pop)
-
-typedef struct
-{
-    DLGTEMPLATEEX* lpDialog;
-    Uint8 *data;
-    size_t size;
-    size_t used;
-    WORD numbuttons;
-} WIN_DialogData;
-
-static SDL_bool GetButtonIndex(const SDL_MessageBoxData *messageboxdata, Uint32 flags, size_t *i)
-{
-    for (*i = 0; *i < (size_t)messageboxdata->numbuttons; ++*i) {
-        if (messageboxdata->buttons[*i].flags & flags) {
-            return SDL_TRUE;
-        }
-    }
-    return SDL_FALSE;
-}
-
-static INT_PTR MessageBoxDialogProc(HWND hDlg, UINT iMessage, WPARAM wParam, LPARAM lParam)
-{
-    const SDL_MessageBoxData *messageboxdata;
-    size_t buttonindex;
-
-    switch ( iMessage ) {
-    case WM_INITDIALOG:
-        if (lParam == 0) {
-            EndDialog(hDlg, IDINVALPTRINIT);
-            return TRUE;
-        }
-        messageboxdata = (const SDL_MessageBoxData *)lParam;
-        SetWindowLongPtr(hDlg, GWLP_USERDATA, lParam);
-
-        if (GetButtonIndex(messageboxdata, SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT, &buttonindex)) {
-            /* Focus on the first default return-key button */
-            HWND buttonctl = GetDlgItem(hDlg, (int)(IDBUTTONINDEX0 + buttonindex));
-            if (buttonctl == NULL) {
-                EndDialog(hDlg, IDINVALPTRDLGITEM);
-            }
-            PostMessage(hDlg, WM_NEXTDLGCTL, (WPARAM)buttonctl, TRUE);
-        } else {
-            /* Give the focus to the dialog window instead */
-            SetFocus(hDlg);
-        }
-        return FALSE;
-    case WM_SETFOCUS:
-        messageboxdata = (const SDL_MessageBoxData *)GetWindowLongPtr(hDlg, GWLP_USERDATA);
-        if (messageboxdata == NULL) {
-            EndDialog(hDlg, IDINVALPTRSETFOCUS);
-            return TRUE;
-        }
-
-        /* Let the default button be focused if there is one. Otherwise, prevent any initial focus. */
-        if (GetButtonIndex(messageboxdata, SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT, &buttonindex)) {
-            return FALSE;
-        }
-        return TRUE;
-    case WM_COMMAND:
-        messageboxdata = (const SDL_MessageBoxData *)GetWindowLongPtr(hDlg, GWLP_USERDATA);
-        if (messageboxdata == NULL) {
-            EndDialog(hDlg, IDINVALPTRCOMMAND);
-            return TRUE;
-        }
-
-        /* Return the ID of the button that was pushed */
-        if (wParam == IDOK) {
-            if (GetButtonIndex(messageboxdata, SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT, &buttonindex)) {
-                EndDialog(hDlg, IDBUTTONINDEX0 + buttonindex);
-            }
-        } else if (wParam == IDCANCEL) {
-            if (GetButtonIndex(messageboxdata, SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT, &buttonindex)) {
-                EndDialog(hDlg, IDBUTTONINDEX0 + buttonindex);
-            } else {
-                /* Closing of window was requested by user or system. It would be rude not to comply. */
-                EndDialog(hDlg, IDCLOSED);
-            }
-        } else if (wParam >= IDBUTTONINDEX0 && (int)wParam - IDBUTTONINDEX0 < messageboxdata->numbuttons) {
-            EndDialog(hDlg, wParam);
-        }
-        return TRUE;
-
-    default:
-        break;
-    }
-    return FALSE;
-}
-
-static SDL_bool ExpandDialogSpace(WIN_DialogData *dialog, size_t space)
-{
-    /* Growing memory in 64 KiB steps. */
-    const size_t sizestep = 0x10000;
-    size_t size = dialog->size;
-
-    if (size == 0) {
-        /* Start with 4 KiB or a multiple of 64 KiB to fit the data. */
-        size = 0x1000;
-        if (SIZE_MAX - sizestep < space) {
-            size = space;
-        } else if (space > size) {
-            size = (space + sizestep) & ~(sizestep - 1);
-        }
-    } else if (SIZE_MAX - dialog->used < space) {
-        SDL_OutOfMemory();
-        return SDL_FALSE;
-    } else if (SIZE_MAX - (dialog->used + space) < sizestep) {
-        /* Close to the maximum. */
-        size = dialog->used + space;
-    } else if (size < dialog->used + space) {
-        /* Round up to the next 64 KiB block. */
-        size = dialog->used + space;
-        size += sizestep - size % sizestep;
-    }
-
-    if (size > dialog->size) {
-        void *data = SDL_realloc(dialog->data, size);
-        if (!data) {
-            SDL_OutOfMemory();
-            return SDL_FALSE;
-        }
-        dialog->data = data;
-        dialog->size = size;
-        dialog->lpDialog = (DLGTEMPLATEEX*)dialog->data;
-    }
-    return SDL_TRUE;
-}
-
-static SDL_bool AlignDialogData(WIN_DialogData *dialog, size_t size)
-{
-    size_t padding = (dialog->used % size);
-
-    if (!ExpandDialogSpace(dialog, padding)) {
-        return SDL_FALSE;
-    }
-
-    dialog->used += padding;
-
-    return SDL_TRUE;
-}
-
-static SDL_bool AddDialogData(WIN_DialogData *dialog, const void *data, size_t size)
-{
-    if (!ExpandDialogSpace(dialog, size)) {
-        return SDL_FALSE;
-    }
-
-    SDL_memcpy(dialog->data+dialog->used, data, size);
-    dialog->used += size;
-
-    return SDL_TRUE;
-}
-
-static SDL_bool AddDialogString(WIN_DialogData *dialog, const char *string)
-{
-    WCHAR *wstring;
-    WCHAR *p;
-    size_t count;
-    SDL_bool status;
-
-    if (!string) {
-        string = "";
-    }
-
-    wstring = WIN_UTF8ToString(string);
-    if (!wstring) {
-        return SDL_FALSE;
-    }
-
-    /* Find out how many characters we have, including null terminator */
-    count = 0;
-    for (p = wstring; *p; ++p) {
-        ++count;
-    }
-    ++count;
-
-    status = AddDialogData(dialog, wstring, count*sizeof(WCHAR));
-    SDL_free(wstring);
-    return status;
-}
-
-static int s_BaseUnitsX;
-static int s_BaseUnitsY;
-static void Vec2ToDLU(short *x, short *y)
-{
-    SDL_assert(s_BaseUnitsX != 0); /* we init in WIN_ShowMessageBox(), which is the only public function... */
-
-    *x = MulDiv(*x, 4, s_BaseUnitsX);
-    *y = MulDiv(*y, 8, s_BaseUnitsY);
-}
-
-
-static SDL_bool AddDialogControl(WIN_DialogData *dialog, WORD type, DWORD style, DWORD exStyle, int x, int y, int w, int h, int id, const char *caption, WORD ordinal)
-{
-    DLGITEMTEMPLATEEX item;
-    WORD marker = 0xFFFF;
-    WORD extraData = 0;
-
-    SDL_zero(item);
-    item.style = style;
-    item.exStyle = exStyle;
-    item.x = x;
-    item.y = y;
-    item.cx = w;
-    item.cy = h;
-    item.id = id;
-
-    Vec2ToDLU(&item.x, &item.y);
-    Vec2ToDLU(&item.cx, &item.cy);
-
-    if (!AlignDialogData(dialog, sizeof(DWORD))) {
-        return SDL_FALSE;
-    }
-    if (!AddDialogData(dialog, &item, sizeof(item))) {
-        return SDL_FALSE;
-    }
-    if (!AddDialogData(dialog, &marker, sizeof(marker))) {
-        return SDL_FALSE;
-    }
-    if (!AddDialogData(dialog, &type, sizeof(type))) {
-        return SDL_FALSE;
-    }
-    if (type == DLGITEMTYPEBUTTON || (type == DLGITEMTYPESTATIC && caption != NULL)) {
-        if (!AddDialogString(dialog, caption)) {
-            return SDL_FALSE;
-        }
-    } else {
-        if (!AddDialogData(dialog, &marker, sizeof(marker))) {
-            return SDL_FALSE;
-        }
-        if (!AddDialogData(dialog, &ordinal, sizeof(ordinal))) {
-            return SDL_FALSE;
-        }
-    }
-    if (!AddDialogData(dialog, &extraData, sizeof(extraData))) {
-        return SDL_FALSE;
-    }
-    if (type == DLGITEMTYPEBUTTON) {
-        dialog->numbuttons++;
-    }
-    ++dialog->lpDialog->cDlgItems;
-
-    return SDL_TRUE;
-}
-
-static SDL_bool AddDialogStaticText(WIN_DialogData *dialog, int x, int y, int w, int h, const char *text)
-{
-    DWORD style = WS_VISIBLE | WS_CHILD | SS_LEFT | SS_NOPREFIX | SS_EDITCONTROL | WS_GROUP;
-    return AddDialogControl(dialog, DLGITEMTYPESTATIC, style, 0, x, y, w, h, -1, text, 0);
-}
-
-static SDL_bool AddDialogStaticIcon(WIN_DialogData *dialog, int x, int y, int w, int h, Uint16 ordinal)
-{
-    DWORD style = WS_VISIBLE | WS_CHILD | SS_ICON | WS_GROUP;
-    return AddDialogControl(dialog, DLGITEMTYPESTATIC, style, 0, x, y, w, h, -2, NULL, ordinal);
-}
-
-static SDL_bool AddDialogButton(WIN_DialogData *dialog, int x, int y, int w, int h, const char *text, int id, SDL_bool isDefault)
-{
-    DWORD style = WS_VISIBLE | WS_CHILD | WS_TABSTOP;
-    if (isDefault) {
-        style |= BS_DEFPUSHBUTTON;
-    } else {
-        style |= BS_PUSHBUTTON;
-    }
-    /* The first button marks the start of the group. */
-    if (dialog->numbuttons == 0) {
-        style |= WS_GROUP;
-    }
-    return AddDialogControl(dialog, DLGITEMTYPEBUTTON, style, 0, x, y, w, h, IDBUTTONINDEX0 + dialog->numbuttons, text, 0);
-}
-
-static void FreeDialogData(WIN_DialogData *dialog)
-{
-    SDL_free(dialog->data);
-    SDL_free(dialog);
-}
-
-static WIN_DialogData *CreateDialogData(int w, int h, const char *caption)
-{
-    WIN_DialogData *dialog;
-    DLGTEMPLATEEX dialogTemplate;
-    WORD WordToPass;
-
-    SDL_zero(dialogTemplate);
-    dialogTemplate.dlgVer = 1;
-    dialogTemplate.signature = 0xffff;
-    dialogTemplate.style = (WS_CAPTION | DS_CENTER | DS_SHELLFONT);
-    dialogTemplate.x = 0;
-    dialogTemplate.y = 0;
-    dialogTemplate.cx = w;
-    dialogTemplate.cy = h;
-    Vec2ToDLU(&dialogTemplate.cx, &dialogTemplate.cy);
-
-    dialog = (WIN_DialogData *)SDL_calloc(1, sizeof(*dialog));
-    if (!dialog) {
-        return NULL;
-    }
-
-    if (!AddDialogData(dialog, &dialogTemplate, sizeof(dialogTemplate))) {
-        FreeDialogData(dialog);
-        return NULL;
-    }
-
-    /* No menu */
-    WordToPass = 0;
-    if (!AddDialogData(dialog, &WordToPass, 2)) {
-        FreeDialogData(dialog);
-        return NULL;
-    }
-
-    /* No custom class */
-    if (!AddDialogData(dialog, &WordToPass, 2)) {
-        FreeDialogData(dialog);
-        return NULL;
-    }
-
-    /* title */
-    if (!AddDialogString(dialog, caption)) {
-        FreeDialogData(dialog);
-        return NULL;
-    }
-
-    /* Font stuff */
-    {
-        /*
-         * We want to use the system messagebox font.
-         */
-        BYTE ToPass;
-
-        NONCLIENTMETRICSA NCM;
-        NCM.cbSize = sizeof(NCM);
-        SystemParametersInfoA(SPI_GETNONCLIENTMETRICS, 0, &NCM, 0);
-
-        /* Font size - convert to logical font size for dialog parameter. */
-        {
-            HDC ScreenDC = GetDC(NULL);
-            int LogicalPixelsY = GetDeviceCaps(ScreenDC, LOGPIXELSY);
-            if (!LogicalPixelsY) /* This can happen if the application runs out of GDI handles */
-                LogicalPixelsY = 72;
-            WordToPass = (WORD)(-72 * NCM.lfMessageFont.lfHeight / LogicalPixelsY);
-            ReleaseDC(NULL, ScreenDC);
-        }
-
-        if (!AddDialogData(dialog, &WordToPass, 2)) {
-            FreeDialogData(dialog);
-            return NULL;
-        }
-
-        /* Font weight */
-        WordToPass = (WORD)NCM.lfMessageFont.lfWeight;
-        if (!AddDialogData(dialog, &WordToPass, 2)) {
-            FreeDialogData(dialog);
-            return NULL;
-        }
-
-        /* italic? */
-        ToPass = NCM.lfMessageFont.lfItalic;
-        if (!AddDialogData(dialog, &ToPass, 1)) {
-            FreeDialogData(dialog);
-            return NULL;
-        }
-
-        /* charset? */
-        ToPass = NCM.lfMessageFont.lfCharSet;
-        if (!AddDialogData(dialog, &ToPass, 1)) {
-            FreeDialogData(dialog);
-            return NULL;
-        }
-
-        /* font typeface. */
-        if (!AddDialogString(dialog, NCM.lfMessageFont.lfFaceName)) {
-            FreeDialogData(dialog);
-            return NULL;
-        }
-    }
-
-    return dialog;
-}
-
-/* Escaping ampersands is necessary to disable mnemonics in dialog controls.
- * The caller provides a char** for dst and a size_t* for dstlen where the
- * address of the work buffer and its size will be stored. Their values must be
- * NULL and 0 on the first call. src is the string to be escaped. On error, the
- * function returns NULL and, on success, returns a pointer to the escaped
- * sequence as a read-only string that is valid until the next call or until the
- * work buffer is freed. Once all strings have been processed, it's the caller's
- * responsibilty to free the work buffer with SDL_free, even on errors.
- */
-static const char *EscapeAmpersands(char **dst, size_t *dstlen, const char *src)
-{
-    char *newdst;
-    size_t ampcount = 0;
-    size_t srclen = 0;
-
-    if (src == NULL) {
-        return NULL;
-    }
-
-    while (src[srclen]) {
-        if (src[srclen] == '&') {
-            ampcount++;
-        }
-        srclen++;
-    }
-    srclen++;
-
-    if (ampcount == 0) {
-        /* Nothing to do. */
-        return src;
-    }
-    if (SIZE_MAX - srclen < ampcount) {
-        return NULL;
-    }
-    if (*dst == NULL || *dstlen < srclen + ampcount) {
-        /* Allocating extra space in case the next strings are a bit longer. */
-        size_t extraspace = SIZE_MAX - (srclen + ampcount);
-        if (extraspace > 512) {
-            extraspace = 512;
-        }
-        *dstlen = srclen + ampcount + extraspace;
-        SDL_free(*dst);
-        *dst = NULL;
-        newdst = SDL_malloc(*dstlen);
-        if (newdst == NULL) {
-            return NULL;
-        }
-        *dst = newdst;
-    } else {
-        newdst = *dst;
-    }
-
-    /* The escape character is the ampersand itself. */
-    while (srclen--) {
-        if (*src == '&') {
-            *newdst++ = '&';
-        }
-        *newdst++ = *src++;
-    }
-
-    return *dst;
-}
-
-/* This function is called if a Task Dialog is unsupported. */
-static int
-WIN_ShowOldMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
-{
-    WIN_DialogData *dialog;
-    int i, x, y, retval;
-    const SDL_MessageBoxButtonData *buttons = messageboxdata->buttons;
-    HFONT DialogFont;
-    SIZE Size;
-    RECT TextSize;
-    wchar_t* wmessage;
-    TEXTMETRIC TM;
-    HDC FontDC;
-    INT_PTR result;
-    char *ampescape = NULL;
-    size_t ampescapesize = 0;
-    Uint16 defbuttoncount = 0;
-    Uint16 icon = 0;
-
-    HWND ParentWindow = NULL;
-
-    const int ButtonWidth = 88;
-    const int ButtonHeight = 26;
-    const int TextMargin = 16;
-    const int ButtonMargin = 12;
-    const int IconWidth = GetSystemMetrics(SM_CXICON);
-    const int IconHeight = GetSystemMetrics(SM_CYICON);
-    const int IconMargin = 20;
-
-    if (messageboxdata->numbuttons > MAX_BUTTONS) {
-        return SDL_SetError("Number of butons exceeds limit of %d", MAX_BUTTONS);
-    }
-
-    switch (messageboxdata->flags) {
-    case SDL_MESSAGEBOX_ERROR:
-        icon = (Uint16)(size_t)IDI_ERROR;
-        break;
-    case SDL_MESSAGEBOX_WARNING:
-        icon = (Uint16)(size_t)IDI_WARNING;
-        break;
-    case SDL_MESSAGEBOX_INFORMATION:
-        icon = (Uint16)(size_t)IDI_INFORMATION;
-        break;
-    }
-
-    /* Jan 25th, 2013 - dant@fleetsa.com
-     *
-     *
-     * I've tried to make this more reasonable, but I've run in to a lot
-     * of nonsense.
-     *
-     * The original issue is the code was written in pixels and not
-     * dialog units (DLUs). All DialogBox functions use DLUs, which
-     * vary based on the selected font (yay).
-     *
-     * According to MSDN, the most reliable way to convert is via
-     * MapDialogUnits, which requires an HWND, which we don't have
-     * at time of template creation.
-     *
-     * We do however have:
-     *  The system font (DLU width 8 for me)
-     *  The font we select for the dialog (DLU width 6 for me)
-     *
-     * Based on experimentation, *neither* of these return the value
-     * actually used. Stepping in to MapDialogUnits(), the conversion
-     * is fairly clear, and uses 7 for me.
-     *
-     * As a result, some of this is hacky to ensure the sizing is
-     * somewhat correct.
-     *
-     * Honestly, a long term solution is to use CreateWindow, not CreateDialog.
-     *
-
-     *
-     * In order to get text dimensions we need to have a DC with the desired font.
-     * I'm assuming a dialog box in SDL is rare enough we can to the create.
-     */
-    FontDC = CreateCompatibleDC(0);
-
-    {
-        /* Create a duplicate of the font used in system message boxes. */
-        LOGFONT lf;
-        NONCLIENTMETRICS NCM;
-        NCM.cbSize = sizeof(NCM);
-        SystemParametersInfo(SPI_GETNONCLIENTMETRICS, 0, &NCM, 0);
-        lf = NCM.lfMessageFont;
-        DialogFont = CreateFontIndirect(&lf);
-    }
-
-    /* Select the font in to our DC */
-    SelectObject(FontDC, DialogFont);
-
-    {
-        /* Get the metrics to try and figure our DLU conversion. */
-        GetTextMetrics(FontDC, &TM);
-
-        /* Calculation from the following documentation:
-         * https://support.microsoft.com/en-gb/help/125681/how-to-calculate-dialog-base-units-with-non-system-based-font
-         * This fixes bug 2137, dialog box calculation with a fixed-width system font
-         */
-        {
-            SIZE extent;
-            GetTextExtentPoint32A(FontDC, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz", 52, &extent);
-            s_BaseUnitsX = (extent.cx / 26 + 1) / 2;
-        }
-        /*s_BaseUnitsX = TM.tmAveCharWidth + 1;*/
-        s_BaseUnitsY = TM.tmHeight;
-    }
-
-    /* Measure the *pixel* size of the string. */
-    wmessage = WIN_UTF8ToString(messageboxdata->message);
-    SDL_zero(TextSize);
-    DrawText(FontDC, wmessage, -1, &TextSize, DT_CALCRECT | DT_LEFT | DT_NOPREFIX | DT_EDITCONTROL);
-
-    /* Add margins and some padding for hangs, etc. */
-    TextSize.left += TextMargin;
-    TextSize.right += TextMargin + 2;
-    TextSize.top += TextMargin;
-    TextSize.bottom += TextMargin + 2;
-
-    /* Done with the DC, and the string */
-    DeleteDC(FontDC);
-    SDL_free(wmessage);
-
-    /* Increase the size of the dialog by some border spacing around the text. */
-    Size.cx = TextSize.right - TextSize.left;
-    Size.cy = TextSize.bottom - TextSize.top;
-    Size.cx += TextMargin * 2;
-    Size.cy += TextMargin * 2;
-
-    /* Make dialog wider and shift text over for the icon. */
-    if (icon) {
-        Size.cx += IconMargin + IconWidth;
-        TextSize.left += IconMargin + IconWidth;
-        TextSize.right += IconMargin + IconWidth;
-    }
-
-    /* Ensure the size is wide enough for all of the buttons. */
-    if (Size.cx < messageboxdata->numbuttons * (ButtonWidth + ButtonMargin) + ButtonMargin)
-        Size.cx = messageboxdata->numbuttons * (ButtonWidth + ButtonMargin) + ButtonMargin;
-
-    /* Reset the height to the icon size if it is actually bigger than the text. */
-    if (icon && Size.cy < IconMargin * 2 + IconHeight) {
-        Size.cy = IconMargin * 2 + IconHeight;
-    }
-
-    /* Add vertical space for the buttons and border. */
-    Size.cy += ButtonHeight + TextMargin;
-
-    dialog = CreateDialogData(Size.cx, Size.cy, messageboxdata->title);
-    if (!dialog) {
-        return -1;
-    }
-
-    if (icon && ! AddDialogStaticIcon(dialog, IconMargin, IconMargin, IconWidth, IconHeight, icon)) {
-        FreeDialogData(dialog);
-        return -1;
-    }
-
-    if (!AddDialogStaticText(dialog, TextSize.left, TextSize.top, TextSize.right - TextSize.left, TextSize.bottom - TextSize.top, messageboxdata->message)) {
-        FreeDialogData(dialog);
-        return -1;
-    }
-
-    /* Align the buttons to the right/bottom. */
-    x = Size.cx - (ButtonWidth + ButtonMargin) * messageboxdata->numbuttons;
-    y = Size.cy - ButtonHeight - ButtonMargin;
-    for (i = messageboxdata->numbuttons - 1; i >= 0; --i) {
-        SDL_bool isdefault = SDL_FALSE;
-        const char *buttontext;
-
-        if (buttons[i].flags & SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT) {
-            defbuttoncount++;
-            if (defbuttoncount == 1) {
-                isdefault = SDL_TRUE;
-            }
-        }
-
-        buttontext = EscapeAmpersands(&ampescape, &ampescapesize, buttons[i].text);
-        if (buttontext == NULL || !AddDialogButton(dialog, x, y, ButtonWidth, ButtonHeight, buttontext, buttons[i].buttonid, isdefault)) {
-            FreeDialogData(dialog);
-            SDL_free(ampescape);
-            return -1;
-        }
-        x += ButtonWidth + ButtonMargin;
-    }
-    SDL_free(ampescape);
-
-    /* If we have a parent window, get the Instance and HWND for them
-     * so that our little dialog gets exclusive focus at all times. */
-    if (messageboxdata->window) {
-        ParentWindow = ((SDL_WindowData*)messageboxdata->window->driverdata)->hwnd;
-    }
-
-    result = DialogBoxIndirectParam(NULL, (DLGTEMPLATE*)dialog->lpDialog, ParentWindow, (DLGPROC)MessageBoxDialogProc, (LPARAM)messageboxdata);
-    if (result >= IDBUTTONINDEX0 && result - IDBUTTONINDEX0 < messageboxdata->numbuttons) {
-        *buttonid = messageboxdata->buttons[(messageboxdata->numbuttons - 1) - (result - IDBUTTONINDEX0)].buttonid;
-        retval = 0;
-    } else if (result == IDCLOSED) {
-        /* Dialog window closed by user or system. */
-        /* This could use a special return code. */
-        retval = 0;
-        *buttonid = -1;
-    } else {
-        if (result == 0) {
-            SDL_SetError("Invalid parent window handle");
-        } else if (result == -1) {
-            SDL_SetError("The message box encountered an error.");
-        } else if (result == IDINVALPTRINIT || result == IDINVALPTRSETFOCUS || result == IDINVALPTRCOMMAND) {
-            SDL_SetError("Invalid message box pointer in dialog procedure");
-        } else if (result == IDINVALPTRDLGITEM) {
-            SDL_SetError("Couldn't find dialog control of the default enter-key button");
-        } else {
-            SDL_SetError("An unknown error occured");
-        }
-        retval = -1;
-    }
-
-    FreeDialogData(dialog);
-    return retval;
-}
-
-/* TaskDialogIndirect procedure
- * This is because SDL targets Windows XP (0x501), so this is not defined in the platform SDK.
- */
-typedef HRESULT(FAR WINAPI *TASKDIALOGINDIRECTPROC)(const TASKDIALOGCONFIG *pTaskConfig, int *pnButton, int *pnRadioButton, BOOL *pfVerificationFlagChecked);
-
-int
-WIN_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
-{
-    HWND ParentWindow = NULL;
-    wchar_t *wmessage;
-    wchar_t *wtitle;
-    TASKDIALOGCONFIG TaskConfig;
-    TASKDIALOG_BUTTON *pButtons;
-    TASKDIALOG_BUTTON *pButton;
-    HMODULE hComctl32;
-    TASKDIALOGINDIRECTPROC pfnTaskDialogIndirect;
-    HRESULT hr;
-    char *ampescape = NULL;
-    size_t ampescapesize = 0;
-    int nButton;
-    int nCancelButton;
-    int i;
-
-    if (SIZE_MAX / sizeof(TASKDIALOG_BUTTON) < messageboxdata->numbuttons) {
-        return SDL_OutOfMemory();
-    }
-
-    /* If we cannot load comctl32.dll use the old messagebox! */
-    hComctl32 = LoadLibrary(TEXT("Comctl32.dll"));
-    if (hComctl32 == NULL) {
-        return WIN_ShowOldMessageBox(messageboxdata, buttonid);
-    }
-
-    /* If TaskDialogIndirect doesn't exist use the old messagebox!
-       This will fail prior to Windows Vista.
-       The manifest file in the application may require targeting version 6 of comctl32.dll, even
-       when we use LoadLibrary here!
-       If you don't want to bother with manifests, put this #pragma in your app's source code somewhere:
-       pragma comment(linker,"\"/manifestdependency:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0'  processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
-     */
-    pfnTaskDialogIndirect = (TASKDIALOGINDIRECTPROC) GetProcAddress(hComctl32, "TaskDialogIndirect");
-    if (pfnTaskDialogIndirect == NULL) {
-        FreeLibrary(hComctl32);
-        return WIN_ShowOldMessageBox(messageboxdata, buttonid);
-    }
-
-    /* If we have a parent window, get the Instance and HWND for them
-       so that our little dialog gets exclusive focus at all times. */
-    if (messageboxdata->window) {
-        ParentWindow = ((SDL_WindowData *) messageboxdata->window->driverdata)->hwnd;
-    }
-
-    wmessage = WIN_UTF8ToString(messageboxdata->message);
-    wtitle = WIN_UTF8ToString(messageboxdata->title);
-
-    SDL_zero(TaskConfig);
-    TaskConfig.cbSize = sizeof (TASKDIALOGCONFIG);
-    TaskConfig.hwndParent = ParentWindow;
-    TaskConfig.dwFlags = TDF_SIZE_TO_CONTENT;
-    TaskConfig.pszWindowTitle = wtitle;
-    if (messageboxdata->flags & SDL_MESSAGEBOX_ERROR) {
-        TaskConfig.pszMainIcon = TD_ERROR_ICON;
-    } else if (messageboxdata->flags & SDL_MESSAGEBOX_WARNING) {
-        TaskConfig.pszMainIcon = TD_WARNING_ICON;
-    } else if (messageboxdata->flags & SDL_MESSAGEBOX_INFORMATION) {
-        TaskConfig.pszMainIcon = TD_INFORMATION_ICON;
-    } else {
-        TaskConfig.pszMainIcon = NULL;
-    }
-
-    TaskConfig.pszContent = wmessage;
-    TaskConfig.cButtons = messageboxdata->numbuttons;
-    pButtons = SDL_malloc(sizeof (TASKDIALOG_BUTTON) * messageboxdata->numbuttons);
-    TaskConfig.nDefaultButton = 0;
-    nCancelButton = 0;
-    for (i = 0; i < messageboxdata->numbuttons; i++)
-    {
-        const char *buttontext;
-        pButton = &pButtons[messageboxdata->numbuttons-1-i];
-        if (messageboxdata->buttons[i].flags & SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT) {
-            nCancelButton = messageboxdata->buttons[i].buttonid;
-            pButton->nButtonID = 2;
-        } else {
-            pButton->nButtonID = messageboxdata->buttons[i].buttonid + 1;
-            if (pButton->nButtonID >= 2) {
-                pButton->nButtonID++;
-            }
-        }
-        buttontext = EscapeAmpersands(&ampescape, &ampescapesize, messageboxdata->buttons[i].text);
-        if (buttontext == NULL) {
-            int j;
-            FreeLibrary(hComctl32);
-            SDL_free(ampescape);
-            SDL_free(wmessage);
-            SDL_free(wtitle);
-            for (j = 0; j < i; j++) {
-                SDL_free((wchar_t *) pButtons[j].pszButtonText);
-            }
-            SDL_free(pButtons);
-            return -1;
-        }
-        pButton->pszButtonText = WIN_UTF8ToString(buttontext);
-        if (messageboxdata->buttons[i].flags & SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT) {
-            TaskConfig.nDefaultButton = pButton->nButtonID;
-        }
-    }
-    TaskConfig.pButtons = pButtons;
-
-    /* Show the Task Dialog */
-    hr = pfnTaskDialogIndirect(&TaskConfig, &nButton, NULL, NULL);
-
-    /* Free everything */
-    FreeLibrary(hComctl32);
-    SDL_free(ampescape);
-    SDL_free(wmessage);
-    SDL_free(wtitle);
-    for (i = 0; i < messageboxdata->numbuttons; i++) {
-        SDL_free((wchar_t *) pButtons[i].pszButtonText);
-    }
-    SDL_free(pButtons);
-
-    /* Check the Task Dialog was successful and give the result */
-    if (SUCCEEDED(hr)) {
-        if (nButton == 2) {
-            *buttonid = nCancelButton;
-        } else if (nButton > 2) {
-            *buttonid = nButton-1-1;
-        } else {
-            *buttonid = nButton-1;
-        }
-        return 0;
-    }
-
-    /* We failed showing the Task Dialog, use the old message box! */
-    return WIN_ShowOldMessageBox(messageboxdata, buttonid);
-}
-
-#endif /* SDL_VIDEO_DRIVER_WINDOWS */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmessagebox.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmessagebox.h
deleted file mode 100644
index 2cb29be..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmessagebox.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_DRIVER_WINDOWS
-
-extern int WIN_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid);
-
-#endif /* SDL_VIDEO_DRIVER_WINDOWS */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmodes.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmodes.c
deleted file mode 100644
index 7425d9a..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmodes.c
+++ /dev/null
@@ -1,407 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_DRIVER_WINDOWS
-
-#include "SDL_windowsvideo.h"
-#include "../../../include/SDL_assert.h"
-#include "../../../include/SDL_log.h"
-
-/* Windows CE compatibility */
-#ifndef CDS_FULLSCREEN
-#define CDS_FULLSCREEN 0
-#endif
-
-/* #define DEBUG_MODES */
-
-static void
-WIN_UpdateDisplayMode(_THIS, LPCTSTR deviceName, DWORD index, SDL_DisplayMode * mode)
-{
-    SDL_DisplayModeData *data = (SDL_DisplayModeData *) mode->driverdata;
-    HDC hdc;
-
-    data->DeviceMode.dmFields =
-        (DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY |
-         DM_DISPLAYFLAGS);
-
-    if (index == ENUM_CURRENT_SETTINGS
-        && (hdc = CreateDC(deviceName, NULL, NULL, NULL)) != NULL) {
-        char bmi_data[sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD)];
-        LPBITMAPINFO bmi;
-        HBITMAP hbm;
-        int logical_width = GetDeviceCaps( hdc, HORZRES );
-        int logical_height = GetDeviceCaps( hdc, VERTRES );
-
-        mode->w = logical_width;
-        mode->h = logical_height;
-        
-        SDL_zero(bmi_data);
-        bmi = (LPBITMAPINFO) bmi_data;
-        bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
-
-        hbm = CreateCompatibleBitmap(hdc, 1, 1);
-        GetDIBits(hdc, hbm, 0, 1, NULL, bmi, DIB_RGB_COLORS);
-        GetDIBits(hdc, hbm, 0, 1, NULL, bmi, DIB_RGB_COLORS);
-        DeleteObject(hbm);
-        DeleteDC(hdc);
-        if (bmi->bmiHeader.biCompression == BI_BITFIELDS) {
-            switch (*(Uint32 *) bmi->bmiColors) {
-            case 0x00FF0000:
-                mode->format = SDL_PIXELFORMAT_RGB888;
-                break;
-            case 0x000000FF:
-                mode->format = SDL_PIXELFORMAT_BGR888;
-                break;
-            case 0xF800:
-                mode->format = SDL_PIXELFORMAT_RGB565;
-                break;
-            case 0x7C00:
-                mode->format = SDL_PIXELFORMAT_RGB555;
-                break;
-            }
-        } else if (bmi->bmiHeader.biBitCount == 8) {
-            mode->format = SDL_PIXELFORMAT_INDEX8;
-        } else if (bmi->bmiHeader.biBitCount == 4) {
-            mode->format = SDL_PIXELFORMAT_INDEX4LSB;
-        }
-    } else if (mode->format == SDL_PIXELFORMAT_UNKNOWN) {
-        /* FIXME: Can we tell what this will be? */
-        if ((data->DeviceMode.dmFields & DM_BITSPERPEL) == DM_BITSPERPEL) {
-            switch (data->DeviceMode.dmBitsPerPel) {
-            case 32:
-                mode->format = SDL_PIXELFORMAT_RGB888;
-                break;
-            case 24:
-                mode->format = SDL_PIXELFORMAT_RGB24;
-                break;
-            case 16:
-                mode->format = SDL_PIXELFORMAT_RGB565;
-                break;
-            case 15:
-                mode->format = SDL_PIXELFORMAT_RGB555;
-                break;
-            case 8:
-                mode->format = SDL_PIXELFORMAT_INDEX8;
-                break;
-            case 4:
-                mode->format = SDL_PIXELFORMAT_INDEX4LSB;
-                break;
-            }
-        }
-    }
-}
-
-static SDL_bool
-WIN_GetDisplayMode(_THIS, LPCTSTR deviceName, DWORD index, SDL_DisplayMode * mode)
-{
-    SDL_DisplayModeData *data;
-    DEVMODE devmode;
-
-    devmode.dmSize = sizeof(devmode);
-    devmode.dmDriverExtra = 0;
-    if (!EnumDisplaySettings(deviceName, index, &devmode)) {
-        return SDL_FALSE;
-    }
-
-    data = (SDL_DisplayModeData *) SDL_malloc(sizeof(*data));
-    if (!data) {
-        return SDL_FALSE;
-    }
-
-    mode->driverdata = data;
-    data->DeviceMode = devmode;
-
-    mode->format = SDL_PIXELFORMAT_UNKNOWN;
-    mode->w = data->DeviceMode.dmPelsWidth;
-    mode->h = data->DeviceMode.dmPelsHeight;
-    mode->refresh_rate = data->DeviceMode.dmDisplayFrequency;
-
-    /* Fill in the mode information */
-    WIN_UpdateDisplayMode(_this, deviceName, index, mode);
-    return SDL_TRUE;
-}
-
-static SDL_bool
-WIN_AddDisplay(_THIS, HMONITOR hMonitor, const MONITORINFOEX *info)
-{
-    SDL_VideoDisplay display;
-    SDL_DisplayData *displaydata;
-    SDL_DisplayMode mode;
-    DISPLAY_DEVICE device;
-
-#ifdef DEBUG_MODES
-    SDL_Log("Display: %s\n", WIN_StringToUTF8(info->szDevice));
-#endif
-
-    if (!WIN_GetDisplayMode(_this, info->szDevice, ENUM_CURRENT_SETTINGS, &mode)) {
-        return SDL_FALSE;
-    }
-
-    displaydata = (SDL_DisplayData *) SDL_malloc(sizeof(*displaydata));
-    if (!displaydata) {
-        return SDL_FALSE;
-    }
-    SDL_memcpy(displaydata->DeviceName, info->szDevice,
-               sizeof(displaydata->DeviceName));
-    displaydata->MonitorHandle = hMonitor;
-
-    SDL_zero(display);
-    device.cb = sizeof(device);
-    if (EnumDisplayDevices(info->szDevice, 0, &device, 0)) {
-        display.name = WIN_StringToUTF8(device.DeviceString);
-    }
-    display.desktop_mode = mode;
-    display.current_mode = mode;
-    display.driverdata = displaydata;
-    SDL_AddVideoDisplay(&display);
-    SDL_free(display.name);
-    return SDL_TRUE;
-}
-
-typedef struct _WIN_AddDisplaysData {
-    SDL_VideoDevice *video_device;
-    SDL_bool want_primary;
-} WIN_AddDisplaysData;
-
-static BOOL CALLBACK
-WIN_AddDisplaysCallback(HMONITOR hMonitor,
-                        HDC      hdcMonitor,
-                        LPRECT   lprcMonitor,
-                        LPARAM   dwData)
-{
-    WIN_AddDisplaysData *data = (WIN_AddDisplaysData*)dwData;
-    MONITORINFOEX info;
-
-    SDL_zero(info);
-    info.cbSize = sizeof(info);
-
-    if (GetMonitorInfo(hMonitor, (LPMONITORINFO)&info) != 0) {
-        const SDL_bool is_primary = ((info.dwFlags & MONITORINFOF_PRIMARY) == MONITORINFOF_PRIMARY);
-
-        if (is_primary == data->want_primary) {
-            WIN_AddDisplay(data->video_device, hMonitor, &info);
-        }
-    }
-
-    // continue enumeration
-    return TRUE;
-}
-
-static void
-WIN_AddDisplays(_THIS)
-{
-    WIN_AddDisplaysData callback_data;
-    callback_data.video_device = _this;
-
-    callback_data.want_primary = SDL_TRUE;
-    EnumDisplayMonitors(NULL, NULL, WIN_AddDisplaysCallback, (LPARAM)&callback_data);
-
-    callback_data.want_primary = SDL_FALSE;
-    EnumDisplayMonitors(NULL, NULL, WIN_AddDisplaysCallback, (LPARAM)&callback_data);
-}
-
-int
-WIN_InitModes(_THIS)
-{
-    WIN_AddDisplays(_this);
-
-    if (_this->num_displays == 0) {
-        return SDL_SetError("No displays available");
-    }
-    return 0;
-}
-
-int
-WIN_GetDisplayBounds(_THIS, SDL_VideoDisplay * display, SDL_Rect * rect)
-{
-    const SDL_DisplayData *data = (const SDL_DisplayData *)display->driverdata;
-    MONITORINFO minfo;
-    BOOL rc;
-
-    SDL_zero(minfo);
-    minfo.cbSize = sizeof(MONITORINFO);
-    rc = GetMonitorInfo(data->MonitorHandle, &minfo);
-
-    if (!rc) {
-        return SDL_SetError("Couldn't find monitor data");
-    }
-
-    rect->x = minfo.rcMonitor.left;
-    rect->y = minfo.rcMonitor.top;
-    rect->w = minfo.rcMonitor.right - minfo.rcMonitor.left;
-    rect->h = minfo.rcMonitor.bottom - minfo.rcMonitor.top;
-
-    return 0;
-}
-
-int
-WIN_GetDisplayDPI(_THIS, SDL_VideoDisplay * display, float * ddpi_out, float * hdpi_out, float * vdpi_out)
-{
-    const SDL_DisplayData *displaydata = (SDL_DisplayData *)display->driverdata;
-    const SDL_VideoData *videodata = (SDL_VideoData *)display->device->driverdata;
-    float hdpi = 0, vdpi = 0, ddpi = 0;
-    
-    if (videodata->GetDpiForMonitor) {
-        UINT hdpi_uint, vdpi_uint;
-        // Windows 8.1+ codepath
-        if (videodata->GetDpiForMonitor(displaydata->MonitorHandle, MDT_EFFECTIVE_DPI, &hdpi_uint, &vdpi_uint) == S_OK) {
-            // GetDpiForMonitor docs promise to return the same hdpi/vdpi
-            hdpi = (float)hdpi_uint;
-            vdpi = (float)hdpi_uint;
-            ddpi = (float)hdpi_uint;
-        } else {
-            return SDL_SetError("GetDpiForMonitor failed");
-        }
-    } else {
-        // Window 8.0 and below: same DPI for all monitors.
-        HDC hdc;
-        int hdpi_int, vdpi_int, hpoints, vpoints, hpix, vpix;
-        float hinches, vinches;
-
-        hdc = GetDC(NULL);
-        if (hdc == NULL) {
-            return SDL_SetError("GetDC failed");
-        }
-        hdpi_int = GetDeviceCaps(hdc, LOGPIXELSX);
-        vdpi_int = GetDeviceCaps(hdc, LOGPIXELSY);
-        ReleaseDC(NULL, hdc);
-
-        hpoints = GetSystemMetrics(SM_CXVIRTUALSCREEN);
-        vpoints = GetSystemMetrics(SM_CYVIRTUALSCREEN);
-
-        hpix = MulDiv(hpoints, hdpi_int, 96);
-        vpix = MulDiv(vpoints, vdpi_int, 96);
-
-        hinches = (float)hpoints / 96.0f;
-        vinches = (float)vpoints / 96.0f;
-
-        hdpi = (float)hdpi_int;
-        vdpi = (float)vdpi_int;
-        ddpi = SDL_ComputeDiagonalDPI(hpix, vpix, hinches, vinches);
-    }
-
-    if (ddpi_out) {
-        *ddpi_out = ddpi;
-    }
-    if (hdpi_out) {
-        *hdpi_out = hdpi;
-    }
-    if (vdpi_out) {
-        *vdpi_out = vdpi;
-    }
-
-    return ddpi != 0.0f ? 0 : SDL_SetError("Couldn't get DPI");
-}
-
-int
-WIN_GetDisplayUsableBounds(_THIS, SDL_VideoDisplay * display, SDL_Rect * rect)
-{
-    const SDL_DisplayData *data = (const SDL_DisplayData *)display->driverdata;
-    MONITORINFO minfo;
-    BOOL rc;
-
-    SDL_zero(minfo);
-    minfo.cbSize = sizeof(MONITORINFO);
-    rc = GetMonitorInfo(data->MonitorHandle, &minfo);
-
-    if (!rc) {
-        return SDL_SetError("Couldn't find monitor data");
-    }
-
-    rect->x = minfo.rcWork.left;
-    rect->y = minfo.rcWork.top;
-    rect->w = minfo.rcWork.right - minfo.rcWork.left;
-    rect->h = minfo.rcWork.bottom - minfo.rcWork.top;
-
-    return 0;
-}
-
-void
-WIN_GetDisplayModes(_THIS, SDL_VideoDisplay * display)
-{
-    SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;
-    DWORD i;
-    SDL_DisplayMode mode;
-
-    for (i = 0;; ++i) {
-        if (!WIN_GetDisplayMode(_this, data->DeviceName, i, &mode)) {
-            break;
-        }
-        if (SDL_ISPIXELFORMAT_INDEXED(mode.format)) {
-            /* We don't support palettized modes now */
-            SDL_free(mode.driverdata);
-            continue;
-        }
-        if (mode.format != SDL_PIXELFORMAT_UNKNOWN) {
-            if (!SDL_AddDisplayMode(display, &mode)) {
-                SDL_free(mode.driverdata);
-            }
-        } else {
-            SDL_free(mode.driverdata);
-        }
-    }
-}
-
-int
-WIN_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
-{
-    SDL_DisplayData *displaydata = (SDL_DisplayData *) display->driverdata;
-    SDL_DisplayModeData *data = (SDL_DisplayModeData *) mode->driverdata;
-    LONG status;
-
-    if (mode->driverdata == display->desktop_mode.driverdata) {
-        status = ChangeDisplaySettingsEx(displaydata->DeviceName, NULL, NULL, CDS_FULLSCREEN, NULL);
-    } else {
-        status = ChangeDisplaySettingsEx(displaydata->DeviceName, &data->DeviceMode, NULL, CDS_FULLSCREEN, NULL);
-    }
-    if (status != DISP_CHANGE_SUCCESSFUL) {
-        const char *reason = "Unknown reason";
-        switch (status) {
-        case DISP_CHANGE_BADFLAGS:
-            reason = "DISP_CHANGE_BADFLAGS";
-            break;
-        case DISP_CHANGE_BADMODE:
-            reason = "DISP_CHANGE_BADMODE";
-            break;
-        case DISP_CHANGE_BADPARAM:
-            reason = "DISP_CHANGE_BADPARAM";
-            break;
-        case DISP_CHANGE_FAILED:
-            reason = "DISP_CHANGE_FAILED";
-            break;
-        }
-        return SDL_SetError("ChangeDisplaySettingsEx() failed: %s", reason);
-    }
-    EnumDisplaySettings(displaydata->DeviceName, ENUM_CURRENT_SETTINGS, &data->DeviceMode);
-    WIN_UpdateDisplayMode(_this, displaydata->DeviceName, ENUM_CURRENT_SETTINGS, mode);
-    return 0;
-}
-
-void
-WIN_QuitModes(_THIS)
-{
-    /* All fullscreen windows should have restored modes by now */
-}
-
-#endif /* SDL_VIDEO_DRIVER_WINDOWS */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmodes.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmodes.h
deleted file mode 100644
index a5c19b7..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmodes.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#ifndef SDL_windowsmodes_h_
-#define SDL_windowsmodes_h_
-
-typedef struct
-{
-    TCHAR DeviceName[32];
-    HMONITOR MonitorHandle;
-} SDL_DisplayData;
-
-typedef struct
-{
-    DEVMODE DeviceMode;
-} SDL_DisplayModeData;
-
-extern int WIN_InitModes(_THIS);
-extern int WIN_GetDisplayBounds(_THIS, SDL_VideoDisplay * display, SDL_Rect * rect);
-extern int WIN_GetDisplayUsableBounds(_THIS, SDL_VideoDisplay * display, SDL_Rect * rect);
-extern int WIN_GetDisplayDPI(_THIS, SDL_VideoDisplay * display, float * ddpi, float * hdpi, float * vdpi);
-extern void WIN_GetDisplayModes(_THIS, SDL_VideoDisplay * display);
-extern int WIN_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
-extern void WIN_QuitModes(_THIS);
-
-#endif /* SDL_windowsmodes_h_ */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmouse.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmouse.c
deleted file mode 100644
index eff3160..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmouse.c
+++ /dev/null
@@ -1,320 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_DRIVER_WINDOWS
-
-#include "SDL_assert.h"
-#include "SDL_windowsvideo.h"
-
-#include "../../events/SDL_mouse_c.h"
-
-
-HCURSOR SDL_cursor = NULL;
-
-static int rawInputEnableCount = 0;
-
-static int 
-ToggleRawInput(SDL_bool enabled)
-{
-    RAWINPUTDEVICE rawMouse = { 0x01, 0x02, 0, NULL }; /* Mouse: UsagePage = 1, Usage = 2 */
-
-    if (enabled) {
-        rawInputEnableCount++;
-        if (rawInputEnableCount > 1) {
-            return 0;  /* already done. */
-        }
-    } else {
-        if (rawInputEnableCount == 0) {
-            return 0;  /* already done. */
-        }
-        rawInputEnableCount--;
-        if (rawInputEnableCount > 0) {
-            return 0;  /* not time to disable yet */
-        }
-    }
-
-    if (!enabled) {
-        rawMouse.dwFlags |= RIDEV_REMOVE;
-    }
-
-    /* (Un)register raw input for mice */
-    if (RegisterRawInputDevices(&rawMouse, 1, sizeof(RAWINPUTDEVICE)) == FALSE) {
-
-        /* Only return an error when registering. If we unregister and fail,
-           then it's probably that we unregistered twice. That's OK. */
-        if (enabled) {
-            return SDL_Unsupported();
-        }
-    }
-    return 0;
-}
-
-
-static SDL_Cursor *
-WIN_CreateDefaultCursor()
-{
-    SDL_Cursor *cursor;
-
-    cursor = SDL_calloc(1, sizeof(*cursor));
-    if (cursor) {
-        cursor->driverdata = LoadCursor(NULL, IDC_ARROW);
-    } else {
-        SDL_OutOfMemory();
-    }
-
-    return cursor;
-}
-
-static SDL_Cursor *
-WIN_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y)
-{
-    /* msdn says cursor mask has to be padded out to word alignment. Not sure
-        if that means machine word or WORD, but this handles either case. */
-    const size_t pad = (sizeof (size_t) * 8);  /* 32 or 64, or whatever. */
-    SDL_Cursor *cursor;
-    HICON hicon;
-    HDC hdc;
-    BITMAPV4HEADER bmh;
-    LPVOID pixels;
-    LPVOID maskbits;
-    size_t maskbitslen;
-    ICONINFO ii;
-
-    SDL_zero(bmh);
-    bmh.bV4Size = sizeof(bmh);
-    bmh.bV4Width = surface->w;
-    bmh.bV4Height = -surface->h; /* Invert the image */
-    bmh.bV4Planes = 1;
-    bmh.bV4BitCount = 32;
-    bmh.bV4V4Compression = BI_BITFIELDS;
-    bmh.bV4AlphaMask = 0xFF000000;
-    bmh.bV4RedMask   = 0x00FF0000;
-    bmh.bV4GreenMask = 0x0000FF00;
-    bmh.bV4BlueMask  = 0x000000FF;
-
-    maskbitslen = ((surface->w + (pad - (surface->w % pad))) / 8) * surface->h;
-    maskbits = SDL_stack_alloc(Uint8,maskbitslen);
-    if (maskbits == NULL) {
-        SDL_OutOfMemory();
-        return NULL;
-    }
-
-    /* AND the cursor against full bits: no change. We already have alpha. */
-    SDL_memset(maskbits, 0xFF, maskbitslen);
-
-    hdc = GetDC(NULL);
-    SDL_zero(ii);
-    ii.fIcon = FALSE;
-    ii.xHotspot = (DWORD)hot_x;
-    ii.yHotspot = (DWORD)hot_y;
-    ii.hbmColor = CreateDIBSection(hdc, (BITMAPINFO*)&bmh, DIB_RGB_COLORS, &pixels, NULL, 0);
-    ii.hbmMask = CreateBitmap(surface->w, surface->h, 1, 1, maskbits);
-    ReleaseDC(NULL, hdc);
-    SDL_stack_free(maskbits);
-
-    SDL_assert(surface->format->format == SDL_PIXELFORMAT_ARGB8888);
-    SDL_assert(surface->pitch == surface->w * 4);
-    SDL_memcpy(pixels, surface->pixels, surface->h * surface->pitch);
-
-    hicon = CreateIconIndirect(&ii);
-
-    DeleteObject(ii.hbmColor);
-    DeleteObject(ii.hbmMask);
-
-    if (!hicon) {
-        WIN_SetError("CreateIconIndirect()");
-        return NULL;
-    }
-
-    cursor = SDL_calloc(1, sizeof(*cursor));
-    if (cursor) {
-        cursor->driverdata = hicon;
-    } else {
-        DestroyIcon(hicon);
-        SDL_OutOfMemory();
-    }
-
-    return cursor;
-}
-
-static SDL_Cursor *
-WIN_CreateSystemCursor(SDL_SystemCursor id)
-{
-    SDL_Cursor *cursor;
-    LPCTSTR name;
-
-    switch(id)
-    {
-    default:
-        SDL_assert(0);
-        return NULL;
-    case SDL_SYSTEM_CURSOR_ARROW:     name = IDC_ARROW; break;
-    case SDL_SYSTEM_CURSOR_IBEAM:     name = IDC_IBEAM; break;
-    case SDL_SYSTEM_CURSOR_WAIT:      name = IDC_WAIT; break;
-    case SDL_SYSTEM_CURSOR_CROSSHAIR: name = IDC_CROSS; break;
-    case SDL_SYSTEM_CURSOR_WAITARROW: name = IDC_WAIT; break;
-    case SDL_SYSTEM_CURSOR_SIZENWSE:  name = IDC_SIZENWSE; break;
-    case SDL_SYSTEM_CURSOR_SIZENESW:  name = IDC_SIZENESW; break;
-    case SDL_SYSTEM_CURSOR_SIZEWE:    name = IDC_SIZEWE; break;
-    case SDL_SYSTEM_CURSOR_SIZENS:    name = IDC_SIZENS; break;
-    case SDL_SYSTEM_CURSOR_SIZEALL:   name = IDC_SIZEALL; break;
-    case SDL_SYSTEM_CURSOR_NO:        name = IDC_NO; break;
-    case SDL_SYSTEM_CURSOR_HAND:      name = IDC_HAND; break;
-    }
-
-    cursor = SDL_calloc(1, sizeof(*cursor));
-    if (cursor) {
-        HICON hicon;
-
-        hicon = LoadCursor(NULL, name);
-
-        cursor->driverdata = hicon;
-    } else {
-        SDL_OutOfMemory();
-    }
-
-    return cursor;
-}
-
-static void
-WIN_FreeCursor(SDL_Cursor * cursor)
-{
-    HICON hicon = (HICON)cursor->driverdata;
-
-    DestroyIcon(hicon);
-    SDL_free(cursor);
-}
-
-static int
-WIN_ShowCursor(SDL_Cursor * cursor)
-{
-    if (cursor) {
-        SDL_cursor = (HCURSOR)cursor->driverdata;
-    } else {
-        SDL_cursor = NULL;
-    }
-    if (SDL_GetMouseFocus() != NULL) {
-        SetCursor(SDL_cursor);
-    }
-    return 0;
-}
-
-static void
-WIN_WarpMouse(SDL_Window * window, int x, int y)
-{
-    SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
-    HWND hwnd = data->hwnd;
-    POINT pt;
-
-    /* Don't warp the mouse while we're doing a modal interaction */
-    if (data->in_title_click || data->focus_click_pending) {
-        return;
-    }
-
-    pt.x = x;
-    pt.y = y;
-    ClientToScreen(hwnd, &pt);
-    SetCursorPos(pt.x, pt.y);
-}
-
-static int
-WIN_WarpMouseGlobal(int x, int y)
-{
-    POINT pt;
-
-    pt.x = x;
-    pt.y = y;
-    SetCursorPos(pt.x, pt.y);
-    return 0;
-}
-
-static int
-WIN_SetRelativeMouseMode(SDL_bool enabled)
-{
-    return ToggleRawInput(enabled);
-}
-
-static int
-WIN_CaptureMouse(SDL_Window *window)
-{
-    if (!window) {
-        SDL_Window *focusWin = SDL_GetKeyboardFocus();
-        if (focusWin) {
-            WIN_OnWindowEnter(SDL_GetVideoDevice(), focusWin);  /* make sure WM_MOUSELEAVE messages are (re)enabled. */
-        }
-    }
-
-    /* While we were thinking of SetCapture() when designing this API in SDL,
-       we didn't count on the fact that SetCapture() only tracks while the
-       left mouse button is held down! Instead, we listen for raw mouse input
-       and manually query the mouse when it leaves the window. :/ */
-    return ToggleRawInput(window != NULL);
-}
-
-static Uint32
-WIN_GetGlobalMouseState(int *x, int *y)
-{
-    Uint32 retval = 0;
-    POINT pt = { 0, 0 };
-    GetCursorPos(&pt);
-    *x = (int) pt.x;
-    *y = (int) pt.y;
-
-    retval |= GetAsyncKeyState(VK_LBUTTON) & 0x8000 ? SDL_BUTTON_LMASK : 0;
-    retval |= GetAsyncKeyState(VK_RBUTTON) & 0x8000 ? SDL_BUTTON_RMASK : 0;
-    retval |= GetAsyncKeyState(VK_MBUTTON) & 0x8000 ? SDL_BUTTON_MMASK : 0;
-    retval |= GetAsyncKeyState(VK_XBUTTON1) & 0x8000 ? SDL_BUTTON_X1MASK : 0;
-    retval |= GetAsyncKeyState(VK_XBUTTON2) & 0x8000 ? SDL_BUTTON_X2MASK : 0;
-
-    return retval;
-}
-
-void
-WIN_InitMouse(_THIS)
-{
-    SDL_Mouse *mouse = SDL_GetMouse();
-
-    mouse->CreateCursor = WIN_CreateCursor;
-    mouse->CreateSystemCursor = WIN_CreateSystemCursor;
-    mouse->ShowCursor = WIN_ShowCursor;
-    mouse->FreeCursor = WIN_FreeCursor;
-    mouse->WarpMouse = WIN_WarpMouse;
-    mouse->WarpMouseGlobal = WIN_WarpMouseGlobal;
-    mouse->SetRelativeMouseMode = WIN_SetRelativeMouseMode;
-    mouse->CaptureMouse = WIN_CaptureMouse;
-    mouse->GetGlobalMouseState = WIN_GetGlobalMouseState;
-
-    SDL_SetDefaultCursor(WIN_CreateDefaultCursor());
-}
-
-void
-WIN_QuitMouse(_THIS)
-{
-    if (rawInputEnableCount) {  /* force RAWINPUT off here. */
-        rawInputEnableCount = 1;
-        ToggleRawInput(SDL_FALSE);
-    }
-}
-
-#endif /* SDL_VIDEO_DRIVER_WINDOWS */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmouse.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmouse.h
deleted file mode 100644
index 775c32c..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsmouse.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#ifndef SDL_windowsmouse_h_
-#define SDL_windowsmouse_h_
-
-extern HCURSOR SDL_cursor;
-
-extern void WIN_InitMouse(_THIS);
-extern void WIN_QuitMouse(_THIS);
-
-#endif /* SDL_windowsmouse_h_ */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsopengl.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsopengl.c
deleted file mode 100644
index c3ba56c..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsopengl.c
+++ /dev/null
@@ -1,895 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_DRIVER_WINDOWS
-
-#include "SDL_assert.h"
-#include "SDL_loadso.h"
-#include "SDL_windowsvideo.h"
-#include "SDL_windowsopengles.h"
-#include "SDL_hints.h"
-
-/* WGL implementation of SDL OpenGL support */
-
-#if SDL_VIDEO_OPENGL_WGL
-#include "SDL_opengl.h"
-
-#define DEFAULT_OPENGL "OPENGL32.DLL"
-
-#ifndef WGL_ARB_create_context
-#define WGL_ARB_create_context
-#define WGL_CONTEXT_MAJOR_VERSION_ARB   0x2091
-#define WGL_CONTEXT_MINOR_VERSION_ARB   0x2092
-#define WGL_CONTEXT_LAYER_PLANE_ARB     0x2093
-#define WGL_CONTEXT_FLAGS_ARB           0x2094
-#define WGL_CONTEXT_DEBUG_BIT_ARB       0x0001
-#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB  0x0002
-
-#ifndef WGL_ARB_create_context_profile
-#define WGL_ARB_create_context_profile
-#define WGL_CONTEXT_PROFILE_MASK_ARB              0x9126
-#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB          0x00000001
-#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
-#endif
-
-#ifndef WGL_ARB_create_context_robustness
-#define WGL_ARB_create_context_robustness
-#define WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB         0x00000004
-#define WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB     0x8256
-#define WGL_NO_RESET_NOTIFICATION_ARB                   0x8261
-#define WGL_LOSE_CONTEXT_ON_RESET_ARB                   0x8252
-#endif
-#endif
-
-#ifndef WGL_EXT_create_context_es2_profile
-#define WGL_EXT_create_context_es2_profile
-#define WGL_CONTEXT_ES2_PROFILE_BIT_EXT           0x00000004
-#endif
-
-#ifndef WGL_EXT_create_context_es_profile
-#define WGL_EXT_create_context_es_profile
-#define WGL_CONTEXT_ES_PROFILE_BIT_EXT            0x00000004
-#endif
-
-#ifndef WGL_ARB_framebuffer_sRGB
-#define WGL_ARB_framebuffer_sRGB
-#define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB                0x20A9
-#endif
-
-#ifndef WGL_ARB_context_flush_control
-#define WGL_ARB_context_flush_control
-#define WGL_CONTEXT_RELEASE_BEHAVIOR_ARB   0x2097
-#define WGL_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB           0x0000
-#define WGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB          0x2098
-#endif
-
-#ifndef WGL_ARB_create_context_no_error
-#define WGL_ARB_create_context_no_error
-#define WGL_CONTEXT_OPENGL_NO_ERROR_ARB                 0x31B3
-#endif
-
-typedef HGLRC(APIENTRYP PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC,
-                                                            HGLRC
-                                                            hShareContext,
-                                                            const int
-                                                            *attribList);
-
-int
-WIN_GL_LoadLibrary(_THIS, const char *path)
-{
-    void *handle;
-
-    if (path == NULL) {
-        path = SDL_getenv("SDL_OPENGL_LIBRARY");
-    }
-    if (path == NULL) {
-        path = DEFAULT_OPENGL;
-    }
-    _this->gl_config.dll_handle = SDL_LoadObject(path);
-    if (!_this->gl_config.dll_handle) {
-        return -1;
-    }
-    SDL_strlcpy(_this->gl_config.driver_path, path,
-                SDL_arraysize(_this->gl_config.driver_path));
-
-    /* Allocate OpenGL memory */
-    _this->gl_data = (struct SDL_GLDriverData *) SDL_calloc(1, sizeof(struct SDL_GLDriverData));
-    if (!_this->gl_data) {
-        return SDL_OutOfMemory();
-    }
-
-    /* Load function pointers */
-    handle = _this->gl_config.dll_handle;
-    _this->gl_data->wglGetProcAddress = (void *(WINAPI *) (const char *))
-        SDL_LoadFunction(handle, "wglGetProcAddress");
-    _this->gl_data->wglCreateContext = (HGLRC(WINAPI *) (HDC))
-        SDL_LoadFunction(handle, "wglCreateContext");
-    _this->gl_data->wglDeleteContext = (BOOL(WINAPI *) (HGLRC))
-        SDL_LoadFunction(handle, "wglDeleteContext");
-    _this->gl_data->wglMakeCurrent = (BOOL(WINAPI *) (HDC, HGLRC))
-        SDL_LoadFunction(handle, "wglMakeCurrent");
-    _this->gl_data->wglShareLists = (BOOL(WINAPI *) (HGLRC, HGLRC))
-        SDL_LoadFunction(handle, "wglShareLists");
-
-    if (!_this->gl_data->wglGetProcAddress ||
-        !_this->gl_data->wglCreateContext ||
-        !_this->gl_data->wglDeleteContext ||
-        !_this->gl_data->wglMakeCurrent) {
-        return SDL_SetError("Could not retrieve OpenGL functions");
-    }
-
-    /* XXX Too sleazy? WIN_GL_InitExtensions looks for certain OpenGL
-       extensions via SDL_GL_DeduceMaxSupportedESProfile. This uses
-       SDL_GL_ExtensionSupported which in turn calls SDL_GL_GetProcAddress.
-       However SDL_GL_GetProcAddress will fail if the library is not
-       loaded; it checks for gl_config.driver_loaded > 0. To avoid this
-       test failing, increment driver_loaded around the call to
-       WIN_GLInitExtensions.
-
-       Successful loading of the library is normally indicated by
-       SDL_GL_LoadLibrary incrementing driver_loaded immediately after
-       this function returns 0 to it.
-
-       Alternatives to this are:
-       - moving SDL_GL_DeduceMaxSupportedESProfile to both the WIN and
-         X11 platforms while adding a function equivalent to
-         SDL_GL_ExtensionSupported but which directly calls
-         glGetProcAddress(). Having 3 copies of the
-         SDL_GL_ExtensionSupported makes this alternative unattractive.
-       - moving SDL_GL_DeduceMaxSupportedESProfile to a new file shared
-         by the WIN and X11 platforms while adding a function equivalent
-         to SDL_GL_ExtensionSupported. This is unattractive due to the
-         number of project files that will need updating, plus there
-         will be 2 copies of the SDL_GL_ExtensionSupported code.
-       - Add a private equivalent of SDL_GL_ExtensionSupported to
-         SDL_video.c.
-       - Move the call to WIN_GL_InitExtensions back to WIN_CreateWindow
-         and add a flag to gl_data to avoid multiple calls to this
-         expensive function. This is probably the least objectionable
-         alternative if this increment/decrement trick is unacceptable.
-
-       Note that the driver_loaded > 0 check needs to remain in
-       SDL_GL_ExtensionSupported and SDL_GL_GetProcAddress as they are
-       public API functions.
-    */
-    ++_this->gl_config.driver_loaded;
-    WIN_GL_InitExtensions(_this);
-    --_this->gl_config.driver_loaded;
-
-    return 0;
-}
-
-void *
-WIN_GL_GetProcAddress(_THIS, const char *proc)
-{
-    void *func;
-
-    /* This is to pick up extensions */
-    func = _this->gl_data->wglGetProcAddress(proc);
-    if (!func) {
-        /* This is probably a normal GL function */
-        func = GetProcAddress(_this->gl_config.dll_handle, proc);
-    }
-    return func;
-}
-
-void
-WIN_GL_UnloadLibrary(_THIS)
-{
-    SDL_UnloadObject(_this->gl_config.dll_handle);
-    _this->gl_config.dll_handle = NULL;
-
-    /* Free OpenGL memory */
-    SDL_free(_this->gl_data);
-    _this->gl_data = NULL;
-}
-
-static void
-WIN_GL_SetupPixelFormat(_THIS, PIXELFORMATDESCRIPTOR * pfd)
-{
-    SDL_zerop(pfd);
-    pfd->nSize = sizeof(*pfd);
-    pfd->nVersion = 1;
-    pfd->dwFlags = (PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL);
-    if (_this->gl_config.double_buffer) {
-        pfd->dwFlags |= PFD_DOUBLEBUFFER;
-    }
-    if (_this->gl_config.stereo) {
-        pfd->dwFlags |= PFD_STEREO;
-    }
-    pfd->iLayerType = PFD_MAIN_PLANE;
-    pfd->iPixelType = PFD_TYPE_RGBA;
-    pfd->cRedBits = _this->gl_config.red_size;
-    pfd->cGreenBits = _this->gl_config.green_size;
-    pfd->cBlueBits = _this->gl_config.blue_size;
-    pfd->cAlphaBits = _this->gl_config.alpha_size;
-    if (_this->gl_config.buffer_size) {
-        pfd->cColorBits =
-            _this->gl_config.buffer_size - _this->gl_config.alpha_size;
-    } else {
-        pfd->cColorBits = (pfd->cRedBits + pfd->cGreenBits + pfd->cBlueBits);
-    }
-    pfd->cAccumRedBits = _this->gl_config.accum_red_size;
-    pfd->cAccumGreenBits = _this->gl_config.accum_green_size;
-    pfd->cAccumBlueBits = _this->gl_config.accum_blue_size;
-    pfd->cAccumAlphaBits = _this->gl_config.accum_alpha_size;
-    pfd->cAccumBits =
-        (pfd->cAccumRedBits + pfd->cAccumGreenBits + pfd->cAccumBlueBits +
-         pfd->cAccumAlphaBits);
-    pfd->cDepthBits = _this->gl_config.depth_size;
-    pfd->cStencilBits = _this->gl_config.stencil_size;
-}
-
-/* Choose the closest pixel format that meets or exceeds the target.
-   FIXME: Should we weight any particular attribute over any other?
-*/
-static int
-WIN_GL_ChoosePixelFormat(HDC hdc, PIXELFORMATDESCRIPTOR * target)
-{
-    PIXELFORMATDESCRIPTOR pfd;
-    int count, index, best = 0;
-    unsigned int dist, best_dist = ~0U;
-
-    count = DescribePixelFormat(hdc, 1, sizeof(pfd), NULL);
-
-    for (index = 1; index <= count; index++) {
-
-        if (!DescribePixelFormat(hdc, index, sizeof(pfd), &pfd)) {
-            continue;
-        }
-
-        if ((pfd.dwFlags & target->dwFlags) != target->dwFlags) {
-            continue;
-        }
-
-        if (pfd.iLayerType != target->iLayerType) {
-            continue;
-        }
-        if (pfd.iPixelType != target->iPixelType) {
-            continue;
-        }
-
-        dist = 0;
-
-        if (pfd.cColorBits < target->cColorBits) {
-            continue;
-        } else {
-            dist += (pfd.cColorBits - target->cColorBits);
-        }
-        if (pfd.cRedBits < target->cRedBits) {
-            continue;
-        } else {
-            dist += (pfd.cRedBits - target->cRedBits);
-        }
-        if (pfd.cGreenBits < target->cGreenBits) {
-            continue;
-        } else {
-            dist += (pfd.cGreenBits - target->cGreenBits);
-        }
-        if (pfd.cBlueBits < target->cBlueBits) {
-            continue;
-        } else {
-            dist += (pfd.cBlueBits - target->cBlueBits);
-        }
-        if (pfd.cAlphaBits < target->cAlphaBits) {
-            continue;
-        } else {
-            dist += (pfd.cAlphaBits - target->cAlphaBits);
-        }
-        if (pfd.cAccumBits < target->cAccumBits) {
-            continue;
-        } else {
-            dist += (pfd.cAccumBits - target->cAccumBits);
-        }
-        if (pfd.cAccumRedBits < target->cAccumRedBits) {
-            continue;
-        } else {
-            dist += (pfd.cAccumRedBits - target->cAccumRedBits);
-        }
-        if (pfd.cAccumGreenBits < target->cAccumGreenBits) {
-            continue;
-        } else {
-            dist += (pfd.cAccumGreenBits - target->cAccumGreenBits);
-        }
-        if (pfd.cAccumBlueBits < target->cAccumBlueBits) {
-            continue;
-        } else {
-            dist += (pfd.cAccumBlueBits - target->cAccumBlueBits);
-        }
-        if (pfd.cAccumAlphaBits < target->cAccumAlphaBits) {
-            continue;
-        } else {
-            dist += (pfd.cAccumAlphaBits - target->cAccumAlphaBits);
-        }
-        if (pfd.cDepthBits < target->cDepthBits) {
-            continue;
-        } else {
-            dist += (pfd.cDepthBits - target->cDepthBits);
-        }
-        if (pfd.cStencilBits < target->cStencilBits) {
-            continue;
-        } else {
-            dist += (pfd.cStencilBits - target->cStencilBits);
-        }
-
-        if (dist < best_dist) {
-            best = index;
-            best_dist = dist;
-        }
-    }
-
-    return best;
-}
-
-static SDL_bool
-HasExtension(const char *extension, const char *extensions)
-{
-    const char *start;
-    const char *where, *terminator;
-
-    /* Extension names should not have spaces. */
-    where = SDL_strchr(extension, ' ');
-    if (where || *extension == '\0')
-        return SDL_FALSE;
-
-    if (!extensions)
-        return SDL_FALSE;
-
-    /* It takes a bit of care to be fool-proof about parsing the
-     * OpenGL extensions string. Don't be fooled by sub-strings,
-     * etc. */
-
-    start = extensions;
-
-    for (;;) {
-        where = SDL_strstr(start, extension);
-        if (!where)
-            break;
-
-        terminator = where + SDL_strlen(extension);
-        if (where == start || *(where - 1) == ' ')
-            if (*terminator == ' ' || *terminator == '\0')
-                return SDL_TRUE;
-
-        start = terminator;
-    }
-    return SDL_FALSE;
-}
-
-void
-WIN_GL_InitExtensions(_THIS)
-{
-    const char *(WINAPI * wglGetExtensionsStringARB) (HDC) = 0;
-    const char *extensions;
-    HWND hwnd;
-    HDC hdc;
-    HGLRC hglrc;
-    PIXELFORMATDESCRIPTOR pfd;
-
-    if (!_this->gl_data) {
-        return;
-    }
-
-    hwnd =
-        CreateWindow(SDL_Appname, SDL_Appname, (WS_POPUP | WS_DISABLED), 0, 0,
-        10, 10, NULL, NULL, SDL_Instance, NULL);
-    if (!hwnd) {
-        return;
-    }
-    WIN_PumpEvents(_this);
-
-    hdc = GetDC(hwnd);
-
-    WIN_GL_SetupPixelFormat(_this, &pfd);
-
-    SetPixelFormat(hdc, ChoosePixelFormat(hdc, &pfd), &pfd);
-
-    hglrc = _this->gl_data->wglCreateContext(hdc);
-    if (!hglrc) {
-        return;
-    }
-    _this->gl_data->wglMakeCurrent(hdc, hglrc);
-
-    wglGetExtensionsStringARB = (const char *(WINAPI *) (HDC))
-        _this->gl_data->wglGetProcAddress("wglGetExtensionsStringARB");
-    if (wglGetExtensionsStringARB) {
-        extensions = wglGetExtensionsStringARB(hdc);
-    } else {
-        extensions = NULL;
-    }
-
-    /* Check for WGL_ARB_pixel_format */
-    _this->gl_data->HAS_WGL_ARB_pixel_format = SDL_FALSE;
-    if (HasExtension("WGL_ARB_pixel_format", extensions)) {
-        _this->gl_data->wglChoosePixelFormatARB = (BOOL(WINAPI *)
-                                                   (HDC, const int *,
-                                                    const FLOAT *, UINT,
-                                                    int *, UINT *))
-            WIN_GL_GetProcAddress(_this, "wglChoosePixelFormatARB");
-        _this->gl_data->wglGetPixelFormatAttribivARB =
-            (BOOL(WINAPI *) (HDC, int, int, UINT, const int *, int *))
-            WIN_GL_GetProcAddress(_this, "wglGetPixelFormatAttribivARB");
-
-        if ((_this->gl_data->wglChoosePixelFormatARB != NULL) &&
-            (_this->gl_data->wglGetPixelFormatAttribivARB != NULL)) {
-            _this->gl_data->HAS_WGL_ARB_pixel_format = SDL_TRUE;
-        }
-    }
-
-    /* Check for WGL_EXT_swap_control */
-    _this->gl_data->HAS_WGL_EXT_swap_control_tear = SDL_FALSE;
-    if (HasExtension("WGL_EXT_swap_control", extensions)) {
-        _this->gl_data->wglSwapIntervalEXT =
-            WIN_GL_GetProcAddress(_this, "wglSwapIntervalEXT");
-        _this->gl_data->wglGetSwapIntervalEXT =
-            WIN_GL_GetProcAddress(_this, "wglGetSwapIntervalEXT");
-        if (HasExtension("WGL_EXT_swap_control_tear", extensions)) {
-            _this->gl_data->HAS_WGL_EXT_swap_control_tear = SDL_TRUE;
-        }
-    } else {
-        _this->gl_data->wglSwapIntervalEXT = NULL;
-        _this->gl_data->wglGetSwapIntervalEXT = NULL;
-    }
-
-    /* Check for WGL_EXT_create_context_es2_profile */
-    if (HasExtension("WGL_EXT_create_context_es2_profile", extensions)) {
-        SDL_GL_DeduceMaxSupportedESProfile(
-            &_this->gl_data->es_profile_max_supported_version.major,
-            &_this->gl_data->es_profile_max_supported_version.minor
-        );
-    }
-
-    /* Check for WGL_ARB_context_flush_control */
-    if (HasExtension("WGL_ARB_context_flush_control", extensions)) {
-        _this->gl_data->HAS_WGL_ARB_context_flush_control = SDL_TRUE;
-    }
-
-    /* Check for WGL_ARB_create_context_robustness */
-    if (HasExtension("WGL_ARB_create_context_robustness", extensions)) {
-        _this->gl_data->HAS_WGL_ARB_create_context_robustness = SDL_TRUE;
-    }
-
-    /* Check for WGL_ARB_create_context_no_error */
-    if (HasExtension("WGL_ARB_create_context_no_error", extensions)) {
-        _this->gl_data->HAS_WGL_ARB_create_context_no_error = SDL_TRUE;
-    }
-
-    _this->gl_data->wglMakeCurrent(hdc, NULL);
-    _this->gl_data->wglDeleteContext(hglrc);
-    ReleaseDC(hwnd, hdc);
-    DestroyWindow(hwnd);
-    WIN_PumpEvents(_this);
-}
-
-static int
-WIN_GL_ChoosePixelFormatARB(_THIS, int *iAttribs, float *fAttribs)
-{
-    HWND hwnd;
-    HDC hdc;
-    PIXELFORMATDESCRIPTOR pfd;
-    HGLRC hglrc;
-    int pixel_format = 0;
-    unsigned int matching;
-
-    hwnd =
-        CreateWindow(SDL_Appname, SDL_Appname, (WS_POPUP | WS_DISABLED), 0, 0,
-                     10, 10, NULL, NULL, SDL_Instance, NULL);
-    WIN_PumpEvents(_this);
-
-    hdc = GetDC(hwnd);
-
-    WIN_GL_SetupPixelFormat(_this, &pfd);
-
-    SetPixelFormat(hdc, ChoosePixelFormat(hdc, &pfd), &pfd);
-
-    hglrc = _this->gl_data->wglCreateContext(hdc);
-    if (hglrc) {
-        _this->gl_data->wglMakeCurrent(hdc, hglrc);
-
-        if (_this->gl_data->HAS_WGL_ARB_pixel_format) {
-            _this->gl_data->wglChoosePixelFormatARB(hdc, iAttribs, fAttribs,
-                                                    1, &pixel_format,
-                                                    &matching);
-        }
-
-        _this->gl_data->wglMakeCurrent(hdc, NULL);
-        _this->gl_data->wglDeleteContext(hglrc);
-    }
-    ReleaseDC(hwnd, hdc);
-    DestroyWindow(hwnd);
-    WIN_PumpEvents(_this);
-
-    return pixel_format;
-}
-
-/* actual work of WIN_GL_SetupWindow() happens here. */
-static int
-WIN_GL_SetupWindowInternal(_THIS, SDL_Window * window)
-{
-    HDC hdc = ((SDL_WindowData *) window->driverdata)->hdc;
-    PIXELFORMATDESCRIPTOR pfd;
-    int pixel_format = 0;
-    int iAttribs[64];
-    int *iAttr;
-    int *iAccelAttr;
-    float fAttribs[1] = { 0 };
-
-    WIN_GL_SetupPixelFormat(_this, &pfd);
-
-    /* setup WGL_ARB_pixel_format attribs */
-    iAttr = &iAttribs[0];
-
-    *iAttr++ = WGL_DRAW_TO_WINDOW_ARB;
-    *iAttr++ = GL_TRUE;
-    *iAttr++ = WGL_RED_BITS_ARB;
-    *iAttr++ = _this->gl_config.red_size;
-    *iAttr++ = WGL_GREEN_BITS_ARB;
-    *iAttr++ = _this->gl_config.green_size;
-    *iAttr++ = WGL_BLUE_BITS_ARB;
-    *iAttr++ = _this->gl_config.blue_size;
-
-    if (_this->gl_config.alpha_size) {
-        *iAttr++ = WGL_ALPHA_BITS_ARB;
-        *iAttr++ = _this->gl_config.alpha_size;
-    }
-
-    *iAttr++ = WGL_DOUBLE_BUFFER_ARB;
-    *iAttr++ = _this->gl_config.double_buffer;
-
-    *iAttr++ = WGL_DEPTH_BITS_ARB;
-    *iAttr++ = _this->gl_config.depth_size;
-
-    if (_this->gl_config.stencil_size) {
-        *iAttr++ = WGL_STENCIL_BITS_ARB;
-        *iAttr++ = _this->gl_config.stencil_size;
-    }
-
-    if (_this->gl_config.accum_red_size) {
-        *iAttr++ = WGL_ACCUM_RED_BITS_ARB;
-        *iAttr++ = _this->gl_config.accum_red_size;
-    }
-
-    if (_this->gl_config.accum_green_size) {
-        *iAttr++ = WGL_ACCUM_GREEN_BITS_ARB;
-        *iAttr++ = _this->gl_config.accum_green_size;
-    }
-
-    if (_this->gl_config.accum_blue_size) {
-        *iAttr++ = WGL_ACCUM_BLUE_BITS_ARB;
-        *iAttr++ = _this->gl_config.accum_blue_size;
-    }
-
-    if (_this->gl_config.accum_alpha_size) {
-        *iAttr++ = WGL_ACCUM_ALPHA_BITS_ARB;
-        *iAttr++ = _this->gl_config.accum_alpha_size;
-    }
-
-    if (_this->gl_config.stereo) {
-        *iAttr++ = WGL_STEREO_ARB;
-        *iAttr++ = GL_TRUE;
-    }
-
-    if (_this->gl_config.multisamplebuffers) {
-        *iAttr++ = WGL_SAMPLE_BUFFERS_ARB;
-        *iAttr++ = _this->gl_config.multisamplebuffers;
-    }
-
-    if (_this->gl_config.multisamplesamples) {
-        *iAttr++ = WGL_SAMPLES_ARB;
-        *iAttr++ = _this->gl_config.multisamplesamples;
-    }
-
-    if (_this->gl_config.framebuffer_srgb_capable) {
-        *iAttr++ = WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB;
-        *iAttr++ = _this->gl_config.framebuffer_srgb_capable;
-    }
-
-    /* We always choose either FULL or NO accel on Windows, because of flaky
-       drivers. If the app didn't specify, we use FULL, because that's
-       probably what they wanted (and if you didn't care and got FULL, that's
-       a perfectly valid result in any case). */
-    *iAttr++ = WGL_ACCELERATION_ARB;
-    iAccelAttr = iAttr;
-    if (_this->gl_config.accelerated) {
-        *iAttr++ = WGL_FULL_ACCELERATION_ARB;
-    } else {
-        *iAttr++ = WGL_NO_ACCELERATION_ARB;
-    }
-
-    *iAttr = 0;
-
-    /* Choose and set the closest available pixel format */
-    pixel_format = WIN_GL_ChoosePixelFormatARB(_this, iAttribs, fAttribs);
-
-    /* App said "don't care about accel" and FULL accel failed. Try NO. */
-    if ( ( !pixel_format ) && ( _this->gl_config.accelerated < 0 ) ) {
-        *iAccelAttr = WGL_NO_ACCELERATION_ARB;
-        pixel_format = WIN_GL_ChoosePixelFormatARB(_this, iAttribs, fAttribs);
-        *iAccelAttr = WGL_FULL_ACCELERATION_ARB;  /* if we try again. */
-    }
-    if (!pixel_format) {
-        pixel_format = WIN_GL_ChoosePixelFormat(hdc, &pfd);
-    }
-    if (!pixel_format) {
-        return SDL_SetError("No matching GL pixel format available");
-    }
-    if (!SetPixelFormat(hdc, pixel_format, &pfd)) {
-        return WIN_SetError("SetPixelFormat()");
-    }
-    return 0;
-}
-
-int
-WIN_GL_SetupWindow(_THIS, SDL_Window * window)
-{
-    /* The current context is lost in here; save it and reset it. */
-    SDL_Window *current_win = SDL_GL_GetCurrentWindow();
-    SDL_GLContext current_ctx = SDL_GL_GetCurrentContext();
-    const int retval = WIN_GL_SetupWindowInternal(_this, window);
-    WIN_GL_MakeCurrent(_this, current_win, current_ctx);
-    return retval;
-}
-
-SDL_bool
-WIN_GL_UseEGL(_THIS)
-{
-    SDL_assert(_this->gl_data != NULL);
-    SDL_assert(_this->gl_config.profile_mask == SDL_GL_CONTEXT_PROFILE_ES);
-
-    return (SDL_GetHintBoolean(SDL_HINT_OPENGL_ES_DRIVER, SDL_FALSE)
-            || _this->gl_config.major_version == 1 /* No WGL extension for OpenGL ES 1.x profiles. */
-            || _this->gl_config.major_version > _this->gl_data->es_profile_max_supported_version.major
-            || (_this->gl_config.major_version == _this->gl_data->es_profile_max_supported_version.major
-                && _this->gl_config.minor_version > _this->gl_data->es_profile_max_supported_version.minor));
-}
-
-SDL_GLContext
-WIN_GL_CreateContext(_THIS, SDL_Window * window)
-{
-    HDC hdc = ((SDL_WindowData *) window->driverdata)->hdc;
-    HGLRC context, share_context;
-
-    if (_this->gl_config.profile_mask == SDL_GL_CONTEXT_PROFILE_ES && WIN_GL_UseEGL(_this)) {
-#if SDL_VIDEO_OPENGL_EGL        
-        /* Switch to EGL based functions */
-        WIN_GL_UnloadLibrary(_this);
-        _this->GL_LoadLibrary = WIN_GLES_LoadLibrary;
-        _this->GL_GetProcAddress = WIN_GLES_GetProcAddress;
-        _this->GL_UnloadLibrary = WIN_GLES_UnloadLibrary;
-        _this->GL_CreateContext = WIN_GLES_CreateContext;
-        _this->GL_MakeCurrent = WIN_GLES_MakeCurrent;
-        _this->GL_SetSwapInterval = WIN_GLES_SetSwapInterval;
-        _this->GL_GetSwapInterval = WIN_GLES_GetSwapInterval;
-        _this->GL_SwapWindow = WIN_GLES_SwapWindow;
-        _this->GL_DeleteContext = WIN_GLES_DeleteContext;
-        
-        if (WIN_GLES_LoadLibrary(_this, NULL) != 0) {
-            return NULL;
-        }
-        
-        return WIN_GLES_CreateContext(_this, window);
-#else
-        SDL_SetError("SDL not configured with EGL support");
-        return NULL;
-#endif
-    }
-
-    if (_this->gl_config.share_with_current_context) {
-        share_context = (HGLRC)SDL_GL_GetCurrentContext();
-    } else {
-        share_context = 0;
-    }
-
-    if (_this->gl_config.major_version < 3 &&
-        _this->gl_config.profile_mask == 0 &&
-        _this->gl_config.flags == 0) {
-        /* Create legacy context */
-        context = _this->gl_data->wglCreateContext(hdc);
-        if( share_context != 0 ) {
-            _this->gl_data->wglShareLists(share_context, context);
-        }
-    } else {
-        PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB;
-        HGLRC temp_context = _this->gl_data->wglCreateContext(hdc);
-        if (!temp_context) {
-            SDL_SetError("Could not create GL context");
-            return NULL;
-        }
-
-        /* Make the context current */
-        if (WIN_GL_MakeCurrent(_this, window, temp_context) < 0) {
-            WIN_GL_DeleteContext(_this, temp_context);
-            return NULL;
-        }
-
-        wglCreateContextAttribsARB =
-            (PFNWGLCREATECONTEXTATTRIBSARBPROC) _this->gl_data->
-            wglGetProcAddress("wglCreateContextAttribsARB");
-        if (!wglCreateContextAttribsARB) {
-            SDL_SetError("GL 3.x is not supported");
-            context = temp_context;
-        } else {
-            int attribs[15];  /* max 14 attributes plus terminator */
-            int iattr = 0;
-
-            attribs[iattr++] = WGL_CONTEXT_MAJOR_VERSION_ARB;
-            attribs[iattr++] = _this->gl_config.major_version;
-            attribs[iattr++] = WGL_CONTEXT_MINOR_VERSION_ARB;
-            attribs[iattr++] = _this->gl_config.minor_version;
-
-            /* SDL profile bits match WGL profile bits */
-            if (_this->gl_config.profile_mask != 0) {
-                attribs[iattr++] = WGL_CONTEXT_PROFILE_MASK_ARB;
-                attribs[iattr++] = _this->gl_config.profile_mask;
-            }
-
-            /* SDL flags match WGL flags */
-            if (_this->gl_config.flags != 0) {
-                attribs[iattr++] = WGL_CONTEXT_FLAGS_ARB;
-                attribs[iattr++] = _this->gl_config.flags;
-            }
-
-            /* only set if wgl extension is available */
-            if (_this->gl_data->HAS_WGL_ARB_context_flush_control) {
-                attribs[iattr++] = WGL_CONTEXT_RELEASE_BEHAVIOR_ARB;
-                attribs[iattr++] = _this->gl_config.release_behavior ?
-                                    WGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB :
-                                    WGL_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB;
-            }
-
-            /* only set if wgl extension is available */
-            if (_this->gl_data->HAS_WGL_ARB_create_context_robustness) {
-                attribs[iattr++] = WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB;
-                attribs[iattr++] = _this->gl_config.reset_notification ?
-                                    WGL_LOSE_CONTEXT_ON_RESET_ARB :
-                                    WGL_NO_RESET_NOTIFICATION_ARB;
-            }
-
-            /* only set if wgl extension is available */
-            if (_this->gl_data->HAS_WGL_ARB_create_context_no_error) {
-                attribs[iattr++] = WGL_CONTEXT_OPENGL_NO_ERROR_ARB;
-                attribs[iattr++] = _this->gl_config.no_error;
-            }
-
-            attribs[iattr++] = 0;
-
-            /* Create the GL 3.x context */
-            context = wglCreateContextAttribsARB(hdc, share_context, attribs);
-            /* Delete the GL 2.x context */
-            _this->gl_data->wglDeleteContext(temp_context);
-        }
-    }
-
-    if (!context) {
-        WIN_SetError("Could not create GL context");
-        return NULL;
-    }
-
-    if (WIN_GL_MakeCurrent(_this, window, context) < 0) {
-        WIN_GL_DeleteContext(_this, context);
-        return NULL;
-    }
-
-    return context;
-}
-
-int
-WIN_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
-{
-    HDC hdc;
-
-    if (!_this->gl_data) {
-        return SDL_SetError("OpenGL not initialized");
-    }
-
-    /* sanity check that higher level handled this. */
-    SDL_assert(window || (!window && !context));
-
-    /* Some Windows drivers freak out if hdc is NULL, even when context is
-       NULL, against spec. Since hdc is _supposed_ to be ignored if context
-       is NULL, we either use the current GL window, or do nothing if we
-       already have no current context. */
-    if (!window) {
-        window = SDL_GL_GetCurrentWindow();
-        if (!window) {
-            SDL_assert(SDL_GL_GetCurrentContext() == NULL);
-            return 0;  /* already done. */
-        }
-    }
-
-    hdc = ((SDL_WindowData *) window->driverdata)->hdc;
-    if (!_this->gl_data->wglMakeCurrent(hdc, (HGLRC) context)) {
-        return WIN_SetError("wglMakeCurrent()");
-    }
-    return 0;
-}
-
-int
-WIN_GL_SetSwapInterval(_THIS, int interval)
-{
-    if ((interval < 0) && (!_this->gl_data->HAS_WGL_EXT_swap_control_tear)) {
-        return SDL_SetError("Negative swap interval unsupported in this GL");
-    } else if (_this->gl_data->wglSwapIntervalEXT) {
-        if (_this->gl_data->wglSwapIntervalEXT(interval) != TRUE) {
-            return WIN_SetError("wglSwapIntervalEXT()");
-        }
-    } else {
-        return SDL_Unsupported();
-    }
-    return 0;
-}
-
-int
-WIN_GL_GetSwapInterval(_THIS)
-{
-    int retval = 0;
-    if (_this->gl_data->wglGetSwapIntervalEXT) {
-        retval = _this->gl_data->wglGetSwapIntervalEXT();
-    }
-    return retval;
-}
-
-int
-WIN_GL_SwapWindow(_THIS, SDL_Window * window)
-{
-    HDC hdc = ((SDL_WindowData *) window->driverdata)->hdc;
-
-    if (!SwapBuffers(hdc)) {
-        return WIN_SetError("SwapBuffers()");
-    }
-    return 0;
-}
-
-void
-WIN_GL_DeleteContext(_THIS, SDL_GLContext context)
-{
-    if (!_this->gl_data) {
-        return;
-    }
-    _this->gl_data->wglDeleteContext((HGLRC) context);
-}
-
-
-SDL_bool
-WIN_GL_SetPixelFormatFrom(_THIS, SDL_Window * fromWindow, SDL_Window * toWindow)
-{
-    HDC hfromdc = ((SDL_WindowData *) fromWindow->driverdata)->hdc;
-    HDC htodc = ((SDL_WindowData *) toWindow->driverdata)->hdc;
-    BOOL result;
-
-    /* get the pixel format of the fromWindow */
-    int pixel_format = GetPixelFormat(hfromdc);
-    PIXELFORMATDESCRIPTOR pfd;
-    SDL_memset(&pfd, 0, sizeof(pfd));
-    DescribePixelFormat(hfromdc, pixel_format, sizeof(pfd), &pfd);
-
-    /* set the pixel format of the toWindow */
-    result = SetPixelFormat(htodc, pixel_format, &pfd);
-
-    return result ? SDL_TRUE : SDL_FALSE;
-}
-
-#endif /* SDL_VIDEO_OPENGL_WGL */
-
-#endif /* SDL_VIDEO_DRIVER_WINDOWS */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsopengl.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsopengl.h
deleted file mode 100644
index 8704411..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsopengl.h
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#ifndef SDL_windowsopengl_h_
-#define SDL_windowsopengl_h_
-
-#if SDL_VIDEO_OPENGL_WGL
-
-struct SDL_GLDriverData
-{
-    SDL_bool HAS_WGL_ARB_pixel_format;
-    SDL_bool HAS_WGL_EXT_swap_control_tear;
-    SDL_bool HAS_WGL_ARB_context_flush_control;
-    SDL_bool HAS_WGL_ARB_create_context_robustness;
-    SDL_bool HAS_WGL_ARB_create_context_no_error;
-
-    /* Max version of OpenGL ES context that can be created if the
-       implementation supports WGL_EXT_create_context_es2_profile.
-       major = minor = 0 when unsupported.
-     */
-    struct {
-        int major;
-        int minor;
-    } es_profile_max_supported_version;
-
-    void *(WINAPI * wglGetProcAddress) (const char *proc);
-    HGLRC(WINAPI * wglCreateContext) (HDC hdc);
-    BOOL(WINAPI * wglDeleteContext) (HGLRC hglrc);
-    BOOL(WINAPI * wglMakeCurrent) (HDC hdc, HGLRC hglrc);
-    BOOL(WINAPI * wglShareLists) (HGLRC hglrc1, HGLRC hglrc2);
-    BOOL(WINAPI * wglChoosePixelFormatARB) (HDC hdc,
-                                            const int *piAttribIList,
-                                            const FLOAT * pfAttribFList,
-                                            UINT nMaxFormats,
-                                            int *piFormats,
-                                            UINT * nNumFormats);
-    BOOL(WINAPI * wglGetPixelFormatAttribivARB) (HDC hdc, int iPixelFormat,
-                                                 int iLayerPlane,
-                                                 UINT nAttributes,
-                                                 const int *piAttributes,
-                                                 int *piValues);
-    BOOL (WINAPI * wglSwapIntervalEXT) (int interval);
-    int (WINAPI * wglGetSwapIntervalEXT) (void);
-};
-
-/* OpenGL functions */
-extern int WIN_GL_LoadLibrary(_THIS, const char *path);
-extern void *WIN_GL_GetProcAddress(_THIS, const char *proc);
-extern void WIN_GL_UnloadLibrary(_THIS);
-extern SDL_bool WIN_GL_UseEGL(_THIS);
-extern int WIN_GL_SetupWindow(_THIS, SDL_Window * window);
-extern SDL_GLContext WIN_GL_CreateContext(_THIS, SDL_Window * window);
-extern int WIN_GL_MakeCurrent(_THIS, SDL_Window * window,
-                              SDL_GLContext context);
-extern int WIN_GL_SetSwapInterval(_THIS, int interval);
-extern int WIN_GL_GetSwapInterval(_THIS);
-extern int WIN_GL_SwapWindow(_THIS, SDL_Window * window);
-extern void WIN_GL_DeleteContext(_THIS, SDL_GLContext context);
-extern void WIN_GL_InitExtensions(_THIS);
-extern SDL_bool WIN_GL_SetPixelFormatFrom(_THIS, SDL_Window * fromWindow, SDL_Window * toWindow);
-
-#ifndef WGL_ARB_pixel_format
-#define WGL_NUMBER_PIXEL_FORMATS_ARB   0x2000
-#define WGL_DRAW_TO_WINDOW_ARB         0x2001
-#define WGL_DRAW_TO_BITMAP_ARB         0x2002
-#define WGL_ACCELERATION_ARB           0x2003
-#define WGL_NEED_PALETTE_ARB           0x2004
-#define WGL_NEED_SYSTEM_PALETTE_ARB    0x2005
-#define WGL_SWAP_LAYER_BUFFERS_ARB     0x2006
-#define WGL_SWAP_METHOD_ARB            0x2007
-#define WGL_NUMBER_OVERLAYS_ARB        0x2008
-#define WGL_NUMBER_UNDERLAYS_ARB       0x2009
-#define WGL_TRANSPARENT_ARB            0x200A
-#define WGL_TRANSPARENT_RED_VALUE_ARB  0x2037
-#define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
-#define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
-#define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
-#define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
-#define WGL_SHARE_DEPTH_ARB            0x200C
-#define WGL_SHARE_STENCIL_ARB          0x200D
-#define WGL_SHARE_ACCUM_ARB            0x200E
-#define WGL_SUPPORT_GDI_ARB            0x200F
-#define WGL_SUPPORT_OPENGL_ARB         0x2010
-#define WGL_DOUBLE_BUFFER_ARB          0x2011
-#define WGL_STEREO_ARB                 0x2012
-#define WGL_PIXEL_TYPE_ARB             0x2013
-#define WGL_COLOR_BITS_ARB             0x2014
-#define WGL_RED_BITS_ARB               0x2015
-#define WGL_RED_SHIFT_ARB              0x2016
-#define WGL_GREEN_BITS_ARB             0x2017
-#define WGL_GREEN_SHIFT_ARB            0x2018
-#define WGL_BLUE_BITS_ARB              0x2019
-#define WGL_BLUE_SHIFT_ARB             0x201A
-#define WGL_ALPHA_BITS_ARB             0x201B
-#define WGL_ALPHA_SHIFT_ARB            0x201C
-#define WGL_ACCUM_BITS_ARB             0x201D
-#define WGL_ACCUM_RED_BITS_ARB         0x201E
-#define WGL_ACCUM_GREEN_BITS_ARB       0x201F
-#define WGL_ACCUM_BLUE_BITS_ARB        0x2020
-#define WGL_ACCUM_ALPHA_BITS_ARB       0x2021
-#define WGL_DEPTH_BITS_ARB             0x2022
-#define WGL_STENCIL_BITS_ARB           0x2023
-#define WGL_AUX_BUFFERS_ARB            0x2024
-#define WGL_NO_ACCELERATION_ARB        0x2025
-#define WGL_GENERIC_ACCELERATION_ARB   0x2026
-#define WGL_FULL_ACCELERATION_ARB      0x2027
-#define WGL_SWAP_EXCHANGE_ARB          0x2028
-#define WGL_SWAP_COPY_ARB              0x2029
-#define WGL_SWAP_UNDEFINED_ARB         0x202A
-#define WGL_TYPE_RGBA_ARB              0x202B
-#define WGL_TYPE_COLORINDEX_ARB        0x202C
-#endif
-
-#ifndef WGL_ARB_multisample
-#define WGL_SAMPLE_BUFFERS_ARB         0x2041
-#define WGL_SAMPLES_ARB                0x2042
-#endif
-
-#endif /* SDL_VIDEO_OPENGL_WGL */
-
-#endif /* SDL_windowsopengl_h_ */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsopengles.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsopengles.c
deleted file mode 100644
index 0ff61c3..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsopengles.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_DRIVER_WINDOWS && SDL_VIDEO_OPENGL_EGL
-
-#include "SDL_windowsvideo.h"
-#include "SDL_windowsopengles.h"
-#include "SDL_windowsopengl.h"
-#include "SDL_log.h"
-
-/* EGL implementation of SDL OpenGL support */
-
-int
-WIN_GLES_LoadLibrary(_THIS, const char *path) {
-
-    /* If the profile requested is not GL ES, switch over to WIN_GL functions  */
-    if (_this->gl_config.profile_mask != SDL_GL_CONTEXT_PROFILE_ES) {
-#if SDL_VIDEO_OPENGL_WGL
-        WIN_GLES_UnloadLibrary(_this);
-        _this->GL_LoadLibrary = WIN_GL_LoadLibrary;
-        _this->GL_GetProcAddress = WIN_GL_GetProcAddress;
-        _this->GL_UnloadLibrary = WIN_GL_UnloadLibrary;
-        _this->GL_CreateContext = WIN_GL_CreateContext;
-        _this->GL_MakeCurrent = WIN_GL_MakeCurrent;
-        _this->GL_SetSwapInterval = WIN_GL_SetSwapInterval;
-        _this->GL_GetSwapInterval = WIN_GL_GetSwapInterval;
-        _this->GL_SwapWindow = WIN_GL_SwapWindow;
-        _this->GL_DeleteContext = WIN_GL_DeleteContext;
-        return WIN_GL_LoadLibrary(_this, path);
-#else
-        return SDL_SetError("SDL not configured with OpenGL/WGL support");
-#endif
-    }
-    
-    if (_this->egl_data == NULL) {
-        return SDL_EGL_LoadLibrary(_this, NULL, EGL_DEFAULT_DISPLAY, 0);
-    }
-
-    return 0;
-}
-
-SDL_GLContext
-WIN_GLES_CreateContext(_THIS, SDL_Window * window)
-{
-    SDL_GLContext context;
-    SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
-
-#if SDL_VIDEO_OPENGL_WGL
-    if (_this->gl_config.profile_mask != SDL_GL_CONTEXT_PROFILE_ES) {
-        /* Switch to WGL based functions */
-        WIN_GLES_UnloadLibrary(_this);
-        _this->GL_LoadLibrary = WIN_GL_LoadLibrary;
-        _this->GL_GetProcAddress = WIN_GL_GetProcAddress;
-        _this->GL_UnloadLibrary = WIN_GL_UnloadLibrary;
-        _this->GL_CreateContext = WIN_GL_CreateContext;
-        _this->GL_MakeCurrent = WIN_GL_MakeCurrent;
-        _this->GL_SetSwapInterval = WIN_GL_SetSwapInterval;
-        _this->GL_GetSwapInterval = WIN_GL_GetSwapInterval;
-        _this->GL_SwapWindow = WIN_GL_SwapWindow;
-        _this->GL_DeleteContext = WIN_GL_DeleteContext;
-
-        if (WIN_GL_LoadLibrary(_this, NULL) != 0) {
-            return NULL;
-        }
-
-        return WIN_GL_CreateContext(_this, window);
-    }
-#endif
-
-    context = SDL_EGL_CreateContext(_this, data->egl_surface);
-    return context;
-}
-
-void
-WIN_GLES_DeleteContext(_THIS, SDL_GLContext context)
-{
-    SDL_EGL_DeleteContext(_this, context);
-    WIN_GLES_UnloadLibrary(_this);
-}
-
-SDL_EGL_SwapWindow_impl(WIN)
-SDL_EGL_MakeCurrent_impl(WIN)
-
-int
-WIN_GLES_SetupWindow(_THIS, SDL_Window * window)
-{
-    /* The current context is lost in here; save it and reset it. */
-    SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
-    SDL_Window *current_win = SDL_GL_GetCurrentWindow();
-    SDL_GLContext current_ctx = SDL_GL_GetCurrentContext();
-
-
-    if (_this->egl_data == NULL) {
-        if (SDL_EGL_LoadLibrary(_this, NULL, EGL_DEFAULT_DISPLAY, 0) < 0) {
-            SDL_EGL_UnloadLibrary(_this);
-            return -1;
-        }
-    }
-  
-    /* Create the GLES window surface */
-    windowdata->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType)windowdata->hwnd);
-
-    if (windowdata->egl_surface == EGL_NO_SURFACE) {
-        return SDL_SetError("Could not create GLES window surface");
-    }
-
-    return WIN_GLES_MakeCurrent(_this, current_win, current_ctx);    
-}
-
-#endif /* SDL_VIDEO_DRIVER_WINDOWS && SDL_VIDEO_OPENGL_EGL */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsopengles.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsopengles.h
deleted file mode 100644
index 8684429..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsopengles.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#ifndef SDL_winopengles_h_
-#define SDL_winopengles_h_
-
-#if SDL_VIDEO_OPENGL_EGL
-
-#include "../SDL_sysvideo.h"
-#include "../SDL_egl_c.h"
-
-/* OpenGLES functions */
-#define WIN_GLES_GetAttribute SDL_EGL_GetAttribute
-#define WIN_GLES_GetProcAddress SDL_EGL_GetProcAddress
-#define WIN_GLES_UnloadLibrary SDL_EGL_UnloadLibrary
-#define WIN_GLES_GetSwapInterval SDL_EGL_GetSwapInterval
-#define WIN_GLES_SetSwapInterval SDL_EGL_SetSwapInterval
-
-extern int WIN_GLES_LoadLibrary(_THIS, const char *path);
-extern SDL_GLContext WIN_GLES_CreateContext(_THIS, SDL_Window * window);
-extern int WIN_GLES_SwapWindow(_THIS, SDL_Window * window);
-extern int WIN_GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context);
-extern void WIN_GLES_DeleteContext(_THIS, SDL_GLContext context);
-extern int WIN_GLES_SetupWindow(_THIS, SDL_Window * window);
-
-#endif /* SDL_VIDEO_OPENGL_EGL */
-
-#endif /* SDL_winopengles_h_ */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsshape.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsshape.c
deleted file mode 100644
index bed4588..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsshape.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_DRIVER_WINDOWS
-
-#include "SDL_assert.h"
-#include "SDL_windowsshape.h"
-#include "SDL_windowsvideo.h"
-
-SDL_WindowShaper*
-Win32_CreateShaper(SDL_Window * window) {
-    int resized_properly;
-    SDL_WindowShaper* result = (SDL_WindowShaper *)SDL_malloc(sizeof(SDL_WindowShaper));
-    result->window = window;
-    result->mode.mode = ShapeModeDefault;
-    result->mode.parameters.binarizationCutoff = 1;
-    result->userx = result->usery = 0;
-    result->driverdata = (SDL_ShapeData*)SDL_malloc(sizeof(SDL_ShapeData));
-    ((SDL_ShapeData*)result->driverdata)->mask_tree = NULL;
-    /* Put some driver-data here. */
-    window->shaper = result;
-    resized_properly = Win32_ResizeWindowShape(window);
-    if (resized_properly != 0)
-            return NULL;
-
-    return result;
-}
-
-static void
-CombineRectRegions(SDL_ShapeTree* node,void* closure) {
-    HRGN mask_region = *((HRGN*)closure),temp_region = NULL;
-    if(node->kind == OpaqueShape) {
-        /* Win32 API regions exclude their outline, so we widen the region by one pixel in each direction to include the real outline. */
-        temp_region = CreateRectRgn(node->data.shape.x,node->data.shape.y,node->data.shape.x + node->data.shape.w + 1,node->data.shape.y + node->data.shape.h + 1);
-        if(mask_region != NULL) {
-            CombineRgn(mask_region,mask_region,temp_region,RGN_OR);
-            DeleteObject(temp_region);
-        }
-        else
-            *((HRGN*)closure) = temp_region;
-    }
-}
-
-int
-Win32_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode) {
-    SDL_ShapeData *data;
-    HRGN mask_region = NULL;
-
-    if( (shaper == NULL) ||
-        (shape == NULL) ||
-        ((shape->format->Amask == 0) && (shape_mode->mode != ShapeModeColorKey)) ||
-        (shape->w != shaper->window->w) ||
-        (shape->h != shaper->window->h) ) {
-        return SDL_INVALID_SHAPE_ARGUMENT;
-    }
-
-    data = (SDL_ShapeData*)shaper->driverdata;
-    if(data->mask_tree != NULL)
-        SDL_FreeShapeTree(&data->mask_tree);
-    data->mask_tree = SDL_CalculateShapeTree(*shape_mode,shape);
-
-    SDL_TraverseShapeTree(data->mask_tree,&CombineRectRegions,&mask_region);
-    SDL_assert(mask_region != NULL);
-
-    SetWindowRgn(((SDL_WindowData *)(shaper->window->driverdata))->hwnd, mask_region, TRUE);
-
-    return 0;
-}
-
-int
-Win32_ResizeWindowShape(SDL_Window *window) {
-    SDL_ShapeData* data;
-
-    if (window == NULL)
-        return -1;
-    data = (SDL_ShapeData *)window->shaper->driverdata;
-    if (data == NULL)
-        return -1;
-
-    if(data->mask_tree != NULL)
-        SDL_FreeShapeTree(&data->mask_tree);
-    if(window->shaper->hasshape == SDL_TRUE) {
-        window->shaper->userx = window->x;
-        window->shaper->usery = window->y;
-        SDL_SetWindowPosition(window,-1000,-1000);
-    }
-
-    return 0;
-}
-
-#endif /* SDL_VIDEO_DRIVER_WINDOWS */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsshape.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsshape.h
deleted file mode 100644
index eb1a887..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsshape.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-
-#include "../../SDL_internal.h"
-
-#ifndef SDL_windowsshape_h_
-#define SDL_windowsshape_h_
-
-#include "SDL_video.h"
-#include "SDL_shape.h"
-#include "../SDL_sysvideo.h"
-#include "../SDL_shape_internals.h"
-
-typedef struct {
-    SDL_ShapeTree *mask_tree;
-} SDL_ShapeData;
-
-extern SDL_WindowShaper* Win32_CreateShaper(SDL_Window * window);
-extern int Win32_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode);
-extern int Win32_ResizeWindowShape(SDL_Window *window);
-
-#endif /* SDL_windowsshape_h_ */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowstaskdialog.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowstaskdialog.h
deleted file mode 100644
index a2a9e8a..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowstaskdialog.h
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include <pshpack1.h>
-
-typedef HRESULT(CALLBACK *PFTASKDIALOGCALLBACK)(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, LONG_PTR lpRefData);
-
-enum _TASKDIALOG_FLAGS
-{
-    TDF_ENABLE_HYPERLINKS = 0x0001,
-    TDF_USE_HICON_MAIN = 0x0002,
-    TDF_USE_HICON_FOOTER = 0x0004,
-    TDF_ALLOW_DIALOG_CANCELLATION = 0x0008,
-    TDF_USE_COMMAND_LINKS = 0x0010,
-    TDF_USE_COMMAND_LINKS_NO_ICON = 0x0020,
-    TDF_EXPAND_FOOTER_AREA = 0x0040,
-    TDF_EXPANDED_BY_DEFAULT = 0x0080,
-    TDF_VERIFICATION_FLAG_CHECKED = 0x0100,
-    TDF_SHOW_PROGRESS_BAR = 0x0200,
-    TDF_SHOW_MARQUEE_PROGRESS_BAR = 0x0400,
-    TDF_CALLBACK_TIMER = 0x0800,
-    TDF_POSITION_RELATIVE_TO_WINDOW = 0x1000,
-    TDF_RTL_LAYOUT = 0x2000,
-    TDF_NO_DEFAULT_RADIO_BUTTON = 0x4000,
-    TDF_CAN_BE_MINIMIZED = 0x8000,
-    //#if (NTDDI_VERSION >= NTDDI_WIN8)
-    TDF_NO_SET_FOREGROUND = 0x00010000, // Don't call SetForegroundWindow() when activating the dialog
-                                        //#endif // (NTDDI_VERSION >= NTDDI_WIN8)
-                                        TDF_SIZE_TO_CONTENT = 0x01000000  // used by ShellMessageBox to emulate MessageBox sizing behavior
-};
-typedef int TASKDIALOG_FLAGS;                         // Note: _TASKDIALOG_FLAGS is an int
-
-typedef enum _TASKDIALOG_MESSAGES
-{
-    TDM_NAVIGATE_PAGE = WM_USER + 101,
-    TDM_CLICK_BUTTON = WM_USER + 102, // wParam = Button ID
-    TDM_SET_MARQUEE_PROGRESS_BAR = WM_USER + 103, // wParam = 0 (nonMarque) wParam != 0 (Marquee)
-    TDM_SET_PROGRESS_BAR_STATE = WM_USER + 104, // wParam = new progress state
-    TDM_SET_PROGRESS_BAR_RANGE = WM_USER + 105, // lParam = MAKELPARAM(nMinRange, nMaxRange)
-    TDM_SET_PROGRESS_BAR_POS = WM_USER + 106, // wParam = new position
-    TDM_SET_PROGRESS_BAR_MARQUEE = WM_USER + 107, // wParam = 0 (stop marquee), wParam != 0 (start marquee), lparam = speed (milliseconds between repaints)
-    TDM_SET_ELEMENT_TEXT = WM_USER + 108, // wParam = element (TASKDIALOG_ELEMENTS), lParam = new element text (LPCWSTR)
-    TDM_CLICK_RADIO_BUTTON = WM_USER + 110, // wParam = Radio Button ID
-    TDM_ENABLE_BUTTON = WM_USER + 111, // lParam = 0 (disable), lParam != 0 (enable), wParam = Button ID
-    TDM_ENABLE_RADIO_BUTTON = WM_USER + 112, // lParam = 0 (disable), lParam != 0 (enable), wParam = Radio Button ID
-    TDM_CLICK_VERIFICATION = WM_USER + 113, // wParam = 0 (unchecked), 1 (checked), lParam = 1 (set key focus)
-    TDM_UPDATE_ELEMENT_TEXT = WM_USER + 114, // wParam = element (TASKDIALOG_ELEMENTS), lParam = new element text (LPCWSTR)
-    TDM_SET_BUTTON_ELEVATION_REQUIRED_STATE = WM_USER + 115, // wParam = Button ID, lParam = 0 (elevation not required), lParam != 0 (elevation required)
-    TDM_UPDATE_ICON = WM_USER + 116  // wParam = icon element (TASKDIALOG_ICON_ELEMENTS), lParam = new icon (hIcon if TDF_USE_HICON_* was set, PCWSTR otherwise)
-} TASKDIALOG_MESSAGES;
-
-typedef enum _TASKDIALOG_NOTIFICATIONS
-{
-    TDN_CREATED = 0,
-    TDN_NAVIGATED = 1,
-    TDN_BUTTON_CLICKED = 2,            // wParam = Button ID
-    TDN_HYPERLINK_CLICKED = 3,            // lParam = (LPCWSTR)pszHREF
-    TDN_TIMER = 4,            // wParam = Milliseconds since dialog created or timer reset
-    TDN_DESTROYED = 5,
-    TDN_RADIO_BUTTON_CLICKED = 6,            // wParam = Radio Button ID
-    TDN_DIALOG_CONSTRUCTED = 7,
-    TDN_VERIFICATION_CLICKED = 8,             // wParam = 1 if checkbox checked, 0 if not, lParam is unused and always 0
-    TDN_HELP = 9,
-    TDN_EXPANDO_BUTTON_CLICKED = 10            // wParam = 0 (dialog is now collapsed), wParam != 0 (dialog is now expanded)
-} TASKDIALOG_NOTIFICATIONS;
-
-typedef struct _TASKDIALOG_BUTTON
-{
-    int     nButtonID;
-    PCWSTR  pszButtonText;
-} TASKDIALOG_BUTTON;
-
-typedef enum _TASKDIALOG_ELEMENTS
-{
-    TDE_CONTENT,
-    TDE_EXPANDED_INFORMATION,
-    TDE_FOOTER,
-    TDE_MAIN_INSTRUCTION
-} TASKDIALOG_ELEMENTS;
-
-typedef enum _TASKDIALOG_ICON_ELEMENTS
-{
-    TDIE_ICON_MAIN,
-    TDIE_ICON_FOOTER
-} TASKDIALOG_ICON_ELEMENTS;
-
-#define TD_WARNING_ICON         MAKEINTRESOURCEW(-1)
-#define TD_ERROR_ICON           MAKEINTRESOURCEW(-2)
-#define TD_INFORMATION_ICON     MAKEINTRESOURCEW(-3)
-#define TD_SHIELD_ICON          MAKEINTRESOURCEW(-4)
-
-enum _TASKDIALOG_COMMON_BUTTON_FLAGS
-{
-    TDCBF_OK_BUTTON = 0x0001, // selected control return value IDOK
-    TDCBF_YES_BUTTON = 0x0002, // selected control return value IDYES
-    TDCBF_NO_BUTTON = 0x0004, // selected control return value IDNO
-    TDCBF_CANCEL_BUTTON = 0x0008, // selected control return value IDCANCEL
-    TDCBF_RETRY_BUTTON = 0x0010, // selected control return value IDRETRY
-    TDCBF_CLOSE_BUTTON = 0x0020  // selected control return value IDCLOSE
-};
-typedef int TASKDIALOG_COMMON_BUTTON_FLAGS;           // Note: _TASKDIALOG_COMMON_BUTTON_FLAGS is an int
-
-typedef struct _TASKDIALOGCONFIG
-{
-    UINT        cbSize;
-    HWND        hwndParent;                             // incorrectly named, this is the owner window, not a parent.
-    HINSTANCE   hInstance;                              // used for MAKEINTRESOURCE() strings
-    TASKDIALOG_FLAGS                dwFlags;            // TASKDIALOG_FLAGS (TDF_XXX) flags
-    TASKDIALOG_COMMON_BUTTON_FLAGS  dwCommonButtons;    // TASKDIALOG_COMMON_BUTTON (TDCBF_XXX) flags
-    PCWSTR      pszWindowTitle;                         // string or MAKEINTRESOURCE()
-    union
-    {
-        HICON   hMainIcon;
-        PCWSTR  pszMainIcon;
-    } /*DUMMYUNIONNAME*/;
-    PCWSTR      pszMainInstruction;
-    PCWSTR      pszContent;
-    UINT        cButtons;
-    const TASKDIALOG_BUTTON  *pButtons;
-    int         nDefaultButton;
-    UINT        cRadioButtons;
-    const TASKDIALOG_BUTTON  *pRadioButtons;
-    int         nDefaultRadioButton;
-    PCWSTR      pszVerificationText;
-    PCWSTR      pszExpandedInformation;
-    PCWSTR      pszExpandedControlText;
-    PCWSTR      pszCollapsedControlText;
-    union
-    {
-        HICON   hFooterIcon;
-        PCWSTR  pszFooterIcon;
-    } /*DUMMYUNIONNAME2*/;
-    PCWSTR      pszFooter;
-    PFTASKDIALOGCALLBACK pfCallback;
-    LONG_PTR    lpCallbackData;
-    UINT        cxWidth;                                // width of the Task Dialog's client area in DLU's. If 0, Task Dialog will calculate the ideal width.
-} TASKDIALOGCONFIG;
-
-#include <poppack.h>
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsvideo.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsvideo.c
deleted file mode 100644
index 358ab23..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsvideo.c
+++ /dev/null
@@ -1,452 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_DRIVER_WINDOWS
-
-#include "SDL_main.h"
-#include "SDL_video.h"
-#include "SDL_hints.h"
-#include "SDL_mouse.h"
-#include "SDL_system.h"
-#include "../SDL_sysvideo.h"
-#include "../SDL_pixels_c.h"
-
-#include "SDL_windowsvideo.h"
-#include "SDL_windowsframebuffer.h"
-#include "SDL_windowsshape.h"
-#include "SDL_windowsvulkan.h"
-
-/* Initialization/Query functions */
-static int WIN_VideoInit(_THIS);
-static void WIN_VideoQuit(_THIS);
-
-/* Hints */
-SDL_bool g_WindowsEnableMessageLoop = SDL_TRUE;
-SDL_bool g_WindowFrameUsableWhileCursorHidden = SDL_TRUE;
-
-static void SDLCALL
-UpdateWindowsEnableMessageLoop(void *userdata, const char *name, const char *oldValue, const char *newValue)
-{
-    if (newValue && *newValue == '0') {
-        g_WindowsEnableMessageLoop = SDL_FALSE;
-    } else {
-        g_WindowsEnableMessageLoop = SDL_TRUE;
-    }
-}
-
-static void SDLCALL
-UpdateWindowFrameUsableWhileCursorHidden(void *userdata, const char *name, const char *oldValue, const char *newValue)
-{
-    if (newValue && *newValue == '0') {
-        g_WindowFrameUsableWhileCursorHidden = SDL_FALSE;
-    } else {
-        g_WindowFrameUsableWhileCursorHidden = SDL_TRUE;
-    }
-}
-
-static void WIN_SuspendScreenSaver(_THIS)
-{
-    if (_this->suspend_screensaver) {
-        SetThreadExecutionState(ES_CONTINUOUS | ES_DISPLAY_REQUIRED);
-    } else {
-        SetThreadExecutionState(ES_CONTINUOUS);
-    }
-}
-
-
-/* Windows driver bootstrap functions */
-
-static int
-WIN_Available(void)
-{
-    return (1);
-}
-
-static void
-WIN_DeleteDevice(SDL_VideoDevice * device)
-{
-    SDL_VideoData *data = (SDL_VideoData *) device->driverdata;
-
-    SDL_UnregisterApp();
-    if (data->userDLL) {
-        SDL_UnloadObject(data->userDLL);
-    }
-    if (data->shcoreDLL) {
-        SDL_UnloadObject(data->shcoreDLL);
-    }
-
-    SDL_free(device->driverdata);
-    SDL_free(device);
-}
-
-static SDL_VideoDevice *
-WIN_CreateDevice(int devindex)
-{
-    SDL_VideoDevice *device;
-    SDL_VideoData *data;
-
-    SDL_RegisterApp(NULL, 0, NULL);
-
-    /* Initialize all variables that we clean on shutdown */
-    device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
-    if (device) {
-        data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
-    } else {
-        data = NULL;
-    }
-    if (!data) {
-        SDL_free(device);
-        SDL_OutOfMemory();
-        return NULL;
-    }
-    device->driverdata = data;
-
-    data->userDLL = SDL_LoadObject("USER32.DLL");
-    if (data->userDLL) {
-        data->CloseTouchInputHandle = (BOOL (WINAPI *)(HTOUCHINPUT)) SDL_LoadFunction(data->userDLL, "CloseTouchInputHandle");
-        data->GetTouchInputInfo = (BOOL (WINAPI *)(HTOUCHINPUT, UINT, PTOUCHINPUT, int)) SDL_LoadFunction(data->userDLL, "GetTouchInputInfo");
-        data->RegisterTouchWindow = (BOOL (WINAPI *)(HWND, ULONG)) SDL_LoadFunction(data->userDLL, "RegisterTouchWindow");
-    } else {
-        SDL_ClearError();
-    }
-
-    data->shcoreDLL = SDL_LoadObject("SHCORE.DLL");
-    if (data->shcoreDLL) {
-        data->GetDpiForMonitor = (HRESULT (WINAPI *)(HMONITOR, MONITOR_DPI_TYPE, UINT *, UINT *)) SDL_LoadFunction(data->shcoreDLL, "GetDpiForMonitor");
-    } else {
-        SDL_ClearError();
-    }
-
-    /* Set the function pointers */
-    device->VideoInit = WIN_VideoInit;
-    device->VideoQuit = WIN_VideoQuit;
-    device->GetDisplayBounds = WIN_GetDisplayBounds;
-    device->GetDisplayUsableBounds = WIN_GetDisplayUsableBounds;
-    device->GetDisplayDPI = WIN_GetDisplayDPI;
-    device->GetDisplayModes = WIN_GetDisplayModes;
-    device->SetDisplayMode = WIN_SetDisplayMode;
-    device->PumpEvents = WIN_PumpEvents;
-    device->SuspendScreenSaver = WIN_SuspendScreenSaver;
-
-    device->CreateSDLWindow = WIN_CreateWindow;
-    device->CreateSDLWindowFrom = WIN_CreateWindowFrom;
-    device->SetWindowTitle = WIN_SetWindowTitle;
-    device->SetWindowIcon = WIN_SetWindowIcon;
-    device->SetWindowPosition = WIN_SetWindowPosition;
-    device->SetWindowSize = WIN_SetWindowSize;
-    device->GetWindowBordersSize = WIN_GetWindowBordersSize;
-    device->SetWindowOpacity = WIN_SetWindowOpacity;
-    device->ShowWindow = WIN_ShowWindow;
-    device->HideWindow = WIN_HideWindow;
-    device->RaiseWindow = WIN_RaiseWindow;
-    device->MaximizeWindow = WIN_MaximizeWindow;
-    device->MinimizeWindow = WIN_MinimizeWindow;
-    device->RestoreWindow = WIN_RestoreWindow;
-    device->SetWindowBordered = WIN_SetWindowBordered;
-    device->SetWindowResizable = WIN_SetWindowResizable;
-    device->SetWindowFullscreen = WIN_SetWindowFullscreen;
-    device->SetWindowGammaRamp = WIN_SetWindowGammaRamp;
-    device->GetWindowGammaRamp = WIN_GetWindowGammaRamp;
-    device->SetWindowGrab = WIN_SetWindowGrab;
-    device->DestroyWindow = WIN_DestroyWindow;
-    device->GetWindowWMInfo = WIN_GetWindowWMInfo;
-    device->CreateWindowFramebuffer = WIN_CreateWindowFramebuffer;
-    device->UpdateWindowFramebuffer = WIN_UpdateWindowFramebuffer;
-    device->DestroyWindowFramebuffer = WIN_DestroyWindowFramebuffer;
-    device->OnWindowEnter = WIN_OnWindowEnter;
-    device->SetWindowHitTest = WIN_SetWindowHitTest;
-    device->AcceptDragAndDrop = WIN_AcceptDragAndDrop;
-
-    device->shape_driver.CreateShaper = Win32_CreateShaper;
-    device->shape_driver.SetWindowShape = Win32_SetWindowShape;
-    device->shape_driver.ResizeWindowShape = Win32_ResizeWindowShape;
-
-#if SDL_VIDEO_OPENGL_WGL
-    device->GL_LoadLibrary = WIN_GL_LoadLibrary;
-    device->GL_GetProcAddress = WIN_GL_GetProcAddress;
-    device->GL_UnloadLibrary = WIN_GL_UnloadLibrary;
-    device->GL_CreateContext = WIN_GL_CreateContext;
-    device->GL_MakeCurrent = WIN_GL_MakeCurrent;
-    device->GL_SetSwapInterval = WIN_GL_SetSwapInterval;
-    device->GL_GetSwapInterval = WIN_GL_GetSwapInterval;
-    device->GL_SwapWindow = WIN_GL_SwapWindow;
-    device->GL_DeleteContext = WIN_GL_DeleteContext;
-#elif SDL_VIDEO_OPENGL_EGL        
-    /* Use EGL based functions */
-    device->GL_LoadLibrary = WIN_GLES_LoadLibrary;
-    device->GL_GetProcAddress = WIN_GLES_GetProcAddress;
-    device->GL_UnloadLibrary = WIN_GLES_UnloadLibrary;
-    device->GL_CreateContext = WIN_GLES_CreateContext;
-    device->GL_MakeCurrent = WIN_GLES_MakeCurrent;
-    device->GL_SetSwapInterval = WIN_GLES_SetSwapInterval;
-    device->GL_GetSwapInterval = WIN_GLES_GetSwapInterval;
-    device->GL_SwapWindow = WIN_GLES_SwapWindow;
-    device->GL_DeleteContext = WIN_GLES_DeleteContext;
-#endif
-#if SDL_VIDEO_VULKAN
-    device->Vulkan_LoadLibrary = WIN_Vulkan_LoadLibrary;
-    device->Vulkan_UnloadLibrary = WIN_Vulkan_UnloadLibrary;
-    device->Vulkan_GetInstanceExtensions = WIN_Vulkan_GetInstanceExtensions;
-    device->Vulkan_CreateSurface = WIN_Vulkan_CreateSurface;
-#endif
-
-    device->StartTextInput = WIN_StartTextInput;
-    device->StopTextInput = WIN_StopTextInput;
-    device->SetTextInputRect = WIN_SetTextInputRect;
-
-    device->SetClipboardText = WIN_SetClipboardText;
-    device->GetClipboardText = WIN_GetClipboardText;
-    device->HasClipboardText = WIN_HasClipboardText;
-
-    device->free = WIN_DeleteDevice;
-
-    return device;
-}
-
-
-VideoBootStrap WINDOWS_bootstrap = {
-    "windows", "SDL Windows video driver", WIN_Available, WIN_CreateDevice
-};
-
-int
-WIN_VideoInit(_THIS)
-{
-    if (WIN_InitModes(_this) < 0) {
-        return -1;
-    }
-
-    WIN_InitKeyboard(_this);
-    WIN_InitMouse(_this);
-
-    SDL_AddHintCallback(SDL_HINT_WINDOWS_ENABLE_MESSAGELOOP, UpdateWindowsEnableMessageLoop, NULL);
-    SDL_AddHintCallback(SDL_HINT_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN, UpdateWindowFrameUsableWhileCursorHidden, NULL);
-
-    return 0;
-}
-
-void
-WIN_VideoQuit(_THIS)
-{
-    WIN_QuitModes(_this);
-    WIN_QuitKeyboard(_this);
-    WIN_QuitMouse(_this);
-}
-
-
-#define D3D_DEBUG_INFO
-#include <d3d9.h>
-
-SDL_bool 
-D3D_LoadDLL(void **pD3DDLL, IDirect3D9 **pDirect3D9Interface)
-{
-    *pD3DDLL = SDL_LoadObject("D3D9.DLL");
-    if (*pD3DDLL) {
-        typedef IDirect3D9 *(WINAPI *Direct3DCreate9_t) (UINT SDKVersion);
-        Direct3DCreate9_t Direct3DCreate9Func;
-
-#ifdef USE_D3D9EX
-        typedef HRESULT (WINAPI *Direct3DCreate9Ex_t)(UINT SDKVersion, IDirect3D9Ex **ppD3D);
-        Direct3DCreate9Ex_t Direct3DCreate9ExFunc;
-
-        Direct3DCreate9ExFunc = (Direct3DCreate9Ex_t)SDL_LoadFunction(*pD3DDLL, "Direct3DCreate9Ex");
-        if (Direct3DCreate9ExFunc) {
-            IDirect3D9Ex *pDirect3D9ExInterface;
-            HRESULT hr = Direct3DCreate9ExFunc(D3D_SDK_VERSION, &pDirect3D9ExInterface);
-            if (SUCCEEDED(hr)) {
-                const GUID IDirect3D9_GUID = { 0x81bdcbca, 0x64d4, 0x426d, { 0xae, 0x8d, 0xad, 0x1, 0x47, 0xf4, 0x27, 0x5c } };
-                hr = IDirect3D9Ex_QueryInterface(pDirect3D9ExInterface, &IDirect3D9_GUID, (void**)pDirect3D9Interface);
-                IDirect3D9Ex_Release(pDirect3D9ExInterface);
-                if (SUCCEEDED(hr)) {
-                    return SDL_TRUE;
-                }
-            }
-        }
-#endif /* USE_D3D9EX */
-
-        Direct3DCreate9Func = (Direct3DCreate9_t)SDL_LoadFunction(*pD3DDLL, "Direct3DCreate9");
-        if (Direct3DCreate9Func) {
-            *pDirect3D9Interface = Direct3DCreate9Func(D3D_SDK_VERSION);
-            if (*pDirect3D9Interface) {
-                return SDL_TRUE;
-            }
-        }
-
-        SDL_UnloadObject(*pD3DDLL);
-        *pD3DDLL = NULL;
-    }
-    *pDirect3D9Interface = NULL;
-    return SDL_FALSE;
-}
-
-
-int
-SDL_Direct3D9GetAdapterIndex(int displayIndex)
-{
-    void *pD3DDLL;
-    IDirect3D9 *pD3D;
-    if (!D3D_LoadDLL(&pD3DDLL, &pD3D)) {
-        SDL_SetError("Unable to create Direct3D interface");
-        return D3DADAPTER_DEFAULT;
-    } else {
-        SDL_DisplayData *pData = (SDL_DisplayData *)SDL_GetDisplayDriverData(displayIndex);
-        int adapterIndex = D3DADAPTER_DEFAULT;
-
-        if (!pData) {
-            SDL_SetError("Invalid display index");
-            adapterIndex = -1; /* make sure we return something invalid */
-        } else {
-            char *displayName = WIN_StringToUTF8(pData->DeviceName);
-            unsigned int count = IDirect3D9_GetAdapterCount(pD3D);
-            unsigned int i;
-            for (i=0; i<count; i++) {
-                D3DADAPTER_IDENTIFIER9 id;
-                IDirect3D9_GetAdapterIdentifier(pD3D, i, 0, &id);
-
-                if (SDL_strcmp(id.DeviceName, displayName) == 0) {
-                    adapterIndex = i;
-                    break;
-                }
-            }
-            SDL_free(displayName);
-        }
-
-        /* free up the D3D stuff we inited */
-        IDirect3D9_Release(pD3D);
-        SDL_UnloadObject(pD3DDLL);
-
-        return adapterIndex;
-    }
-}
-
-#if HAVE_DXGI_H
-#define CINTERFACE
-#define COBJMACROS
-#include <dxgi.h>
-
-static SDL_bool
-DXGI_LoadDLL(void **pDXGIDLL, IDXGIFactory **pDXGIFactory)
-{
-    *pDXGIDLL = SDL_LoadObject("DXGI.DLL");
-    if (*pDXGIDLL) {
-        HRESULT (WINAPI *CreateDXGI)(REFIID riid, void **ppFactory);
-
-        CreateDXGI =
-            (HRESULT (WINAPI *) (REFIID, void**)) SDL_LoadFunction(*pDXGIDLL,
-            "CreateDXGIFactory");
-        if (CreateDXGI) {
-            GUID dxgiGUID = {0x7b7166ec,0x21c7,0x44ae,{0xb2,0x1a,0xc9,0xae,0x32,0x1a,0xe3,0x69}};
-            if (!SUCCEEDED(CreateDXGI(&dxgiGUID, (void**)pDXGIFactory))) {
-                *pDXGIFactory = NULL;
-            }
-        }
-        if (!*pDXGIFactory) {
-            SDL_UnloadObject(*pDXGIDLL);
-            *pDXGIDLL = NULL;
-            return SDL_FALSE;
-        }
-
-        return SDL_TRUE;
-    } else {
-        *pDXGIFactory = NULL;
-        return SDL_FALSE;
-    }
-}
-#endif
-
-
-SDL_bool
-SDL_DXGIGetOutputInfo(int displayIndex, int *adapterIndex, int *outputIndex)
-{
-#if !HAVE_DXGI_H
-    if (adapterIndex) *adapterIndex = -1;
-    if (outputIndex) *outputIndex = -1;
-    SDL_SetError("SDL was compiled without DXGI support due to missing dxgi.h header");
-    return SDL_FALSE;
-#else
-    SDL_DisplayData *pData = (SDL_DisplayData *)SDL_GetDisplayDriverData(displayIndex);
-    void *pDXGIDLL;
-    char *displayName;
-    int nAdapter, nOutput;
-    IDXGIFactory *pDXGIFactory;
-    IDXGIAdapter *pDXGIAdapter;
-    IDXGIOutput* pDXGIOutput;
-
-    if (!adapterIndex) {
-        SDL_InvalidParamError("adapterIndex");
-        return SDL_FALSE;
-    }
-
-    if (!outputIndex) {
-        SDL_InvalidParamError("outputIndex");
-        return SDL_FALSE;
-    }
-
-    *adapterIndex = -1;
-    *outputIndex = -1;
-
-    if (!pData) {
-        SDL_SetError("Invalid display index");
-        return SDL_FALSE;
-    }
-
-    if (!DXGI_LoadDLL(&pDXGIDLL, &pDXGIFactory)) {
-        SDL_SetError("Unable to create DXGI interface");
-        return SDL_FALSE;
-    }
-
-    displayName = WIN_StringToUTF8(pData->DeviceName);
-    nAdapter = 0;
-    while (*adapterIndex == -1 && SUCCEEDED(IDXGIFactory_EnumAdapters(pDXGIFactory, nAdapter, &pDXGIAdapter))) {
-        nOutput = 0;
-        while (*adapterIndex == -1 && SUCCEEDED(IDXGIAdapter_EnumOutputs(pDXGIAdapter, nOutput, &pDXGIOutput))) {
-            DXGI_OUTPUT_DESC outputDesc;
-            if (SUCCEEDED(IDXGIOutput_GetDesc(pDXGIOutput, &outputDesc))) {
-                char *outputName = WIN_StringToUTF8(outputDesc.DeviceName);
-                if (SDL_strcmp(outputName, displayName) == 0) {
-                    *adapterIndex = nAdapter;
-                    *outputIndex = nOutput;
-                }
-                SDL_free(outputName);
-            }
-            IDXGIOutput_Release(pDXGIOutput);
-            nOutput++;
-        }
-        IDXGIAdapter_Release(pDXGIAdapter);
-        nAdapter++;
-    }
-    SDL_free(displayName);
-
-    /* free up the DXGI factory */
-    IDXGIFactory_Release(pDXGIFactory);
-    SDL_UnloadObject(pDXGIDLL);
-
-    if (*adapterIndex == -1) {
-        return SDL_FALSE;
-    } else {
-        return SDL_TRUE;
-    }
-#endif
-}
-
-#endif /* SDL_VIDEO_DRIVER_WINDOWS */
-
-/* vim: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsvideo.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsvideo.h
deleted file mode 100644
index 1303754..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsvideo.h
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#ifndef SDL_windowsvideo_h_
-#define SDL_windowsvideo_h_
-
-#include "../../core/windows/SDL_windows.h"
-
-#include "../SDL_sysvideo.h"
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1500)
-#include <msctf.h>
-#else
-#include "SDL_msctf.h"
-#endif
-
-#include <imm.h>
-
-#define MAX_CANDLIST    10
-#define MAX_CANDLENGTH  256
-
-#include "SDL_windowsclipboard.h"
-#include "SDL_windowsevents.h"
-#include "SDL_windowskeyboard.h"
-#include "SDL_windowsmodes.h"
-#include "SDL_windowsmouse.h"
-#include "SDL_windowsopengl.h"
-#include "SDL_windowsopengles.h"
-#include "SDL_windowswindow.h"
-#include "SDL_events.h"
-#include "SDL_loadso.h"
-
-
-#if WINVER < 0x0601
-/* Touch input definitions */
-#define TWF_FINETOUCH   1
-#define TWF_WANTPALM    2
-
-#define TOUCHEVENTF_MOVE 0x0001
-#define TOUCHEVENTF_DOWN 0x0002
-#define TOUCHEVENTF_UP   0x0004
-
-DECLARE_HANDLE(HTOUCHINPUT);
-
-typedef struct _TOUCHINPUT {
-    LONG      x;
-    LONG      y;
-    HANDLE    hSource;
-    DWORD     dwID;
-    DWORD     dwFlags;
-    DWORD     dwMask;
-    DWORD     dwTime;
-    ULONG_PTR dwExtraInfo;
-    DWORD     cxContact;
-    DWORD     cyContact;
-} TOUCHINPUT, *PTOUCHINPUT;
-
-#endif /* WINVER < 0x0601 */
-
-#if WINVER < 0x0603
-
-typedef enum MONITOR_DPI_TYPE {
-    MDT_EFFECTIVE_DPI = 0,
-    MDT_ANGULAR_DPI = 1,
-    MDT_RAW_DPI = 2,
-    MDT_DEFAULT = MDT_EFFECTIVE_DPI
-} MONITOR_DPI_TYPE;
-
-#endif /* WINVER < 0x0603 */
-
-typedef BOOL  (*PFNSHFullScreen)(HWND, DWORD);
-typedef void  (*PFCoordTransform)(SDL_Window*, POINT*);
-
-typedef struct
-{
-    void **lpVtbl;
-    int refcount;
-    void *data;
-} TSFSink;
-
-/* Definition from Win98DDK version of IMM.H */
-typedef struct tagINPUTCONTEXT2 {
-    HWND hWnd;
-    BOOL fOpen;
-    POINT ptStatusWndPos;
-    POINT ptSoftKbdPos;
-    DWORD fdwConversion;
-    DWORD fdwSentence;
-    union {
-        LOGFONTA A;
-        LOGFONTW W;
-    } lfFont;
-    COMPOSITIONFORM cfCompForm;
-    CANDIDATEFORM cfCandForm[4];
-    HIMCC hCompStr;
-    HIMCC hCandInfo;
-    HIMCC hGuideLine;
-    HIMCC hPrivate;
-    DWORD dwNumMsgBuf;
-    HIMCC hMsgBuf;
-    DWORD fdwInit;
-    DWORD dwReserve[3];
-} INPUTCONTEXT2, *PINPUTCONTEXT2, NEAR *NPINPUTCONTEXT2, FAR *LPINPUTCONTEXT2;
-
-/* Private display data */
-
-typedef struct SDL_VideoData
-{
-    int render;
-
-    DWORD clipboard_count;
-
-    /* Touch input functions */
-    void* userDLL;
-    BOOL (WINAPI *CloseTouchInputHandle)( HTOUCHINPUT );
-    BOOL (WINAPI *GetTouchInputInfo)( HTOUCHINPUT, UINT, PTOUCHINPUT, int );
-    BOOL (WINAPI *RegisterTouchWindow)( HWND, ULONG );
-
-    void* shcoreDLL;
-    HRESULT (WINAPI *GetDpiForMonitor)( HMONITOR         hmonitor,
-                                        MONITOR_DPI_TYPE dpiType,
-                                        UINT             *dpiX,
-                                        UINT             *dpiY );
-    
-    SDL_bool ime_com_initialized;
-    struct ITfThreadMgr *ime_threadmgr;
-    SDL_bool ime_initialized;
-    SDL_bool ime_enabled;
-    SDL_bool ime_available;
-    HWND ime_hwnd_main;
-    HWND ime_hwnd_current;
-    HIMC ime_himc;
-
-    WCHAR ime_composition[SDL_TEXTEDITINGEVENT_TEXT_SIZE];
-    WCHAR ime_readingstring[16];
-    int ime_cursor;
-
-    SDL_bool ime_candlist;
-    WCHAR ime_candidates[MAX_CANDLIST][MAX_CANDLENGTH];
-    DWORD ime_candcount;
-    DWORD ime_candref;
-    DWORD ime_candsel;
-    UINT ime_candpgsize;
-    int ime_candlistindexbase;
-    SDL_bool ime_candvertical;
-
-    SDL_bool ime_dirty;
-    SDL_Rect ime_rect;
-    SDL_Rect ime_candlistrect;
-    int ime_winwidth;
-    int ime_winheight;
-
-    HKL ime_hkl;
-    void* ime_himm32;
-    UINT (WINAPI *GetReadingString)(HIMC himc, UINT uReadingBufLen, LPWSTR lpwReadingBuf, PINT pnErrorIndex, BOOL *pfIsVertical, PUINT puMaxReadingLen);
-    BOOL (WINAPI *ShowReadingWindow)(HIMC himc, BOOL bShow);
-    LPINPUTCONTEXT2 (WINAPI *ImmLockIMC)(HIMC himc);
-    BOOL (WINAPI *ImmUnlockIMC)(HIMC himc);
-    LPVOID (WINAPI *ImmLockIMCC)(HIMCC himcc);
-    BOOL (WINAPI *ImmUnlockIMCC)(HIMCC himcc);
-
-    SDL_bool ime_uiless;
-    struct ITfThreadMgrEx *ime_threadmgrex;
-    DWORD ime_uielemsinkcookie;
-    DWORD ime_alpnsinkcookie;
-    DWORD ime_openmodesinkcookie;
-    DWORD ime_convmodesinkcookie;
-    TSFSink *ime_uielemsink;
-    TSFSink *ime_ippasink;
-} SDL_VideoData;
-
-extern SDL_bool g_WindowsEnableMessageLoop;
-extern SDL_bool g_WindowFrameUsableWhileCursorHidden;
-
-typedef struct IDirect3D9 IDirect3D9;
-extern SDL_bool D3D_LoadDLL( void **pD3DDLL, IDirect3D9 **pDirect3D9Interface );
-
-#endif /* SDL_windowsvideo_h_ */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsvulkan.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsvulkan.c
deleted file mode 100644
index 6bb8f2a..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsvulkan.c
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-
-/*
- * @author Mark Callow, www.edgewise-consulting.com. Based on Jacob Lifshay's
- * SDL_x11vulkan.c.
- */
-
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_VULKAN && SDL_VIDEO_DRIVER_WINDOWS
-
-#include "SDL_windowsvideo.h"
-#include "SDL_windowswindow.h"
-#include "SDL_assert.h"
-
-#include "SDL_loadso.h"
-#include "SDL_windowsvulkan.h"
-#include "SDL_syswm.h"
-
-int WIN_Vulkan_LoadLibrary(_THIS, const char *path)
-{
-    VkExtensionProperties *extensions = NULL;
-    Uint32 extensionCount = 0;
-    Uint32 i;
-    SDL_bool hasSurfaceExtension = SDL_FALSE;
-    SDL_bool hasWin32SurfaceExtension = SDL_FALSE;
-    PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr = NULL;
-    if(_this->vulkan_config.loader_handle)
-        return SDL_SetError("Vulkan already loaded");
-
-    /* Load the Vulkan loader library */
-    if(!path)
-        path = SDL_getenv("SDL_VULKAN_LIBRARY");
-    if(!path)
-        path = "vulkan-1.dll";
-    _this->vulkan_config.loader_handle = SDL_LoadObject(path);
-    if(!_this->vulkan_config.loader_handle)
-        return -1;
-    SDL_strlcpy(_this->vulkan_config.loader_path, path,
-                SDL_arraysize(_this->vulkan_config.loader_path));
-    vkGetInstanceProcAddr = (PFN_vkGetInstanceProcAddr)SDL_LoadFunction(
-        _this->vulkan_config.loader_handle, "vkGetInstanceProcAddr");
-    if(!vkGetInstanceProcAddr)
-        goto fail;
-    _this->vulkan_config.vkGetInstanceProcAddr = (void *)vkGetInstanceProcAddr;
-    _this->vulkan_config.vkEnumerateInstanceExtensionProperties =
-        (void *)((PFN_vkGetInstanceProcAddr)_this->vulkan_config.vkGetInstanceProcAddr)(
-            VK_NULL_HANDLE, "vkEnumerateInstanceExtensionProperties");
-    if(!_this->vulkan_config.vkEnumerateInstanceExtensionProperties)
-        goto fail;
-    extensions = SDL_Vulkan_CreateInstanceExtensionsList(
-        (PFN_vkEnumerateInstanceExtensionProperties)
-            _this->vulkan_config.vkEnumerateInstanceExtensionProperties,
-        &extensionCount);
-    if(!extensions)
-        goto fail;
-    for(i = 0; i < extensionCount; i++)
-    {
-        if(SDL_strcmp(VK_KHR_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0)
-            hasSurfaceExtension = SDL_TRUE;
-        else if(SDL_strcmp(VK_KHR_WIN32_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0)
-            hasWin32SurfaceExtension = SDL_TRUE;
-    }
-    SDL_free(extensions);
-    if(!hasSurfaceExtension)
-    {
-        SDL_SetError("Installed Vulkan doesn't implement the "
-                     VK_KHR_SURFACE_EXTENSION_NAME " extension");
-        goto fail;
-    }
-    else if(!hasWin32SurfaceExtension)
-    {
-        SDL_SetError("Installed Vulkan doesn't implement the "
-                     VK_KHR_WIN32_SURFACE_EXTENSION_NAME "extension");
-        goto fail;
-    }
-    return 0;
-
-fail:
-    SDL_UnloadObject(_this->vulkan_config.loader_handle);
-    _this->vulkan_config.loader_handle = NULL;
-    return -1;
-}
-
-void WIN_Vulkan_UnloadLibrary(_THIS)
-{
-    if(_this->vulkan_config.loader_handle)
-    {
-        SDL_UnloadObject(_this->vulkan_config.loader_handle);
-        _this->vulkan_config.loader_handle = NULL;
-    }
-}
-
-SDL_bool WIN_Vulkan_GetInstanceExtensions(_THIS,
-                                          SDL_Window *window,
-                                          unsigned *count,
-                                          const char **names)
-{
-    static const char *const extensionsForWin32[] = {
-        VK_KHR_SURFACE_EXTENSION_NAME, VK_KHR_WIN32_SURFACE_EXTENSION_NAME
-    };
-    if(!_this->vulkan_config.loader_handle)
-    {
-        SDL_SetError("Vulkan is not loaded");
-        return SDL_FALSE;
-    }
-    return SDL_Vulkan_GetInstanceExtensions_Helper(
-            count, names, SDL_arraysize(extensionsForWin32),
-            extensionsForWin32);
-}
-
-SDL_bool WIN_Vulkan_CreateSurface(_THIS,
-                                  SDL_Window *window,
-                                  VkInstance instance,
-                                  VkSurfaceKHR *surface)
-{
-    SDL_WindowData *windowData = (SDL_WindowData *)window->driverdata;
-    PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr =
-        (PFN_vkGetInstanceProcAddr)_this->vulkan_config.vkGetInstanceProcAddr;
-    PFN_vkCreateWin32SurfaceKHR vkCreateWin32SurfaceKHR =
-        (PFN_vkCreateWin32SurfaceKHR)vkGetInstanceProcAddr(
-                                            (VkInstance)instance,
-                                            "vkCreateWin32SurfaceKHR");
-    VkWin32SurfaceCreateInfoKHR createInfo;
-    VkResult result;
-
-    if(!_this->vulkan_config.loader_handle)
-    {
-        SDL_SetError("Vulkan is not loaded");
-        return SDL_FALSE;
-    }
-
-    if(!vkCreateWin32SurfaceKHR)
-    {
-        SDL_SetError(VK_KHR_WIN32_SURFACE_EXTENSION_NAME
-                     " extension is not enabled in the Vulkan instance.");
-        return SDL_FALSE;
-    }
-    createInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
-    createInfo.pNext = NULL;
-    createInfo.flags = 0;
-    createInfo.hinstance = windowData->hinstance;
-    createInfo.hwnd = windowData->hwnd;
-    result = vkCreateWin32SurfaceKHR(instance, &createInfo,
-                                       NULL, surface);
-    if(result != VK_SUCCESS)
-    {
-        SDL_SetError("vkCreateWin32SurfaceKHR failed: %s",
-                     SDL_Vulkan_GetResultString(result));
-        return SDL_FALSE;
-    }
-    return SDL_TRUE;
-}
-
-#endif
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsvulkan.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowsvulkan.h
deleted file mode 100644
index 0acc0a9..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowsvulkan.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-
-/*
- * @author Mark Callow, www.edgewise-consulting.com. Based on Jacob Lifshay's
- * SDL_x11vulkan.h.
- */
-
-#include "../../SDL_internal.h"
-
-#ifndef SDL_windowsvulkan_h_
-#define SDL_windowsvulkan_h_
-
-#include "../SDL_vulkan_internal.h"
-#include "../SDL_sysvideo.h"
-
-#if SDL_VIDEO_VULKAN && SDL_VIDEO_DRIVER_WINDOWS
-
-int WIN_Vulkan_LoadLibrary(_THIS, const char *path);
-void WIN_Vulkan_UnloadLibrary(_THIS);
-SDL_bool WIN_Vulkan_GetInstanceExtensions(_THIS,
-                                          SDL_Window *window,
-                                          unsigned *count,
-                                          const char **names);
-SDL_bool WIN_Vulkan_CreateSurface(_THIS,
-                                  SDL_Window *window,
-                                  VkInstance instance,
-                                  VkSurfaceKHR *surface);
-
-#endif
-
-#endif /* SDL_windowsvulkan_h_ */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowswindow.c b/Source/3rdParty/SDL2/src/video/windows/SDL_windowswindow.c
deleted file mode 100644
index 45463c4..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowswindow.c
+++ /dev/null
@@ -1,996 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_VIDEO_DRIVER_WINDOWS
-
-#include "../../core/windows/SDL_windows.h"
-
-#include "SDL_assert.h"
-#include "../SDL_sysvideo.h"
-#include "../SDL_pixels_c.h"
-#include "../../events/SDL_keyboard_c.h"
-#include "../../events/SDL_mouse_c.h"
-
-#include "SDL_windowsvideo.h"
-#include "SDL_windowswindow.h"
-#include "SDL_hints.h"
-
-/* Dropfile support */
-#include <shellapi.h>
-
-/* This is included after SDL_windowsvideo.h, which includes windows.h */
-#include "SDL_syswm.h"
-
-/* Windows CE compatibility */
-#ifndef SWP_NOCOPYBITS
-#define SWP_NOCOPYBITS 0
-#endif
-
-/* Fake window to help with DirectInput events. */
-HWND SDL_HelperWindow = NULL;
-static WCHAR *SDL_HelperWindowClassName = TEXT("SDLHelperWindowInputCatcher");
-static WCHAR *SDL_HelperWindowName = TEXT("SDLHelperWindowInputMsgWindow");
-static ATOM SDL_HelperWindowClass = 0;
-
-/* For borderless Windows, still want the following flags:
-   - WS_CAPTION: this seems to enable the Windows minimize animation
-   - WS_SYSMENU: enables system context menu on task bar
-   - WS_MINIMIZEBOX: window will respond to Windows minimize commands sent to all windows, such as windows key + m, shaking title bar, etc.
-   This will also cause the task bar to overlap the window and other windowed behaviors, so only use this for windows that shouldn't appear to be fullscreen
- */
-
-#define STYLE_BASIC         (WS_CLIPSIBLINGS | WS_CLIPCHILDREN)
-#define STYLE_FULLSCREEN    (WS_POPUP)
-#define STYLE_BORDERLESS    (WS_POPUP)
-#define STYLE_BORDERLESS_WINDOWED (WS_POPUP | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX)
-#define STYLE_NORMAL        (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX)
-#define STYLE_RESIZABLE     (WS_THICKFRAME | WS_MAXIMIZEBOX)
-#define STYLE_MASK          (STYLE_FULLSCREEN | STYLE_BORDERLESS | STYLE_NORMAL | STYLE_RESIZABLE)
-
-static DWORD
-GetWindowStyle(SDL_Window * window)
-{
-    DWORD style = 0;
-
-    if (window->flags & SDL_WINDOW_FULLSCREEN) {
-        style |= STYLE_FULLSCREEN;
-    } else {
-        if (window->flags & SDL_WINDOW_BORDERLESS) {
-            /* SDL 2.1:
-               This behavior more closely matches other platform where the window is borderless
-               but still interacts with the window manager (e.g. task bar shows above it, it can
-               be resized to fit within usable desktop area, etc.) so this should be the behavior
-               for a future SDL release.
-
-               If you want a borderless window the size of the desktop that looks like a fullscreen
-               window, then you should use the SDL_WINDOW_FULLSCREEN_DESKTOP flag.
-             */
-            if (SDL_GetHintBoolean("SDL_BORDERLESS_WINDOWED_STYLE", SDL_FALSE)) {
-                style |= STYLE_BORDERLESS_WINDOWED;
-            } else {
-                style |= STYLE_BORDERLESS;
-            }
-        } else {
-            style |= STYLE_NORMAL;
-        }
-
-        /* You can have a borderless resizable window */
-        if (window->flags & SDL_WINDOW_RESIZABLE) {
-            style |= STYLE_RESIZABLE;
-        }
-
-        /* Need to set initialize minimize style, or when we call ShowWindow with WS_MINIMIZE it will activate a random window */
-        if (window->flags & SDL_WINDOW_MINIMIZED) {
-            style |= WS_MINIMIZE;
-        }
-    }
-    return style;
-}
-
-static void
-WIN_AdjustWindowRectWithStyle(SDL_Window *window, DWORD style, BOOL menu, int *x, int *y, int *width, int *height, SDL_bool use_current)
-{
-    RECT rect;
-
-    rect.left = 0;
-    rect.top = 0;
-    rect.right = (use_current ? window->w : window->windowed.w);
-    rect.bottom = (use_current ? window->h : window->windowed.h);
-
-    /* borderless windows will have WM_NCCALCSIZE return 0 for the non-client area. When this happens, it looks like windows will send a resize message
-       expanding the window client area to the previous window + chrome size, so shouldn't need to adjust the window size for the set styles.
-     */
-    if (!(window->flags & SDL_WINDOW_BORDERLESS))
-        AdjustWindowRectEx(&rect, style, menu, 0);
-
-    *x = (use_current ? window->x : window->windowed.x) + rect.left;
-    *y = (use_current ? window->y : window->windowed.y) + rect.top;
-    *width = (rect.right - rect.left);
-    *height = (rect.bottom - rect.top);
-}
-
-static void
-WIN_AdjustWindowRect(SDL_Window *window, int *x, int *y, int *width, int *height, SDL_bool use_current)
-{
-    SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
-    HWND hwnd = data->hwnd;
-    DWORD style;
-    BOOL menu;
-
-    style = GetWindowLong(hwnd, GWL_STYLE);
-    menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
-    WIN_AdjustWindowRectWithStyle(window, style, menu, x, y, width, height, use_current);
-}
-
-static void
-WIN_SetWindowPositionInternal(_THIS, SDL_Window * window, UINT flags)
-{
-    SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
-    HWND hwnd = data->hwnd;
-    HWND top;
-    int x, y;
-    int w, h;
-
-    /* Figure out what the window area will be */
-    if (SDL_ShouldAllowTopmost() && ((window->flags & (SDL_WINDOW_FULLSCREEN|SDL_WINDOW_INPUT_FOCUS)) == (SDL_WINDOW_FULLSCREEN|SDL_WINDOW_INPUT_FOCUS) || (window->flags & SDL_WINDOW_ALWAYS_ON_TOP))) {
-        top = HWND_TOPMOST;
-    } else {
-        top = HWND_NOTOPMOST;
-    }
-
-    WIN_AdjustWindowRect(window, &x, &y, &w, &h, SDL_TRUE);    
-
-    data->expected_resize = SDL_TRUE;
-    SetWindowPos(hwnd, top, x, y, w, h, flags);
-    data->expected_resize = SDL_FALSE;
-}
-
-static int
-SetupWindowData(_THIS, SDL_Window * window, HWND hwnd, HWND parent, SDL_bool created)
-{
-    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
-    SDL_WindowData *data;
-
-    /* Allocate the window data */
-    data = (SDL_WindowData *) SDL_calloc(1, sizeof(*data));
-    if (!data) {
-        return SDL_OutOfMemory();
-    }
-    data->window = window;
-    data->hwnd = hwnd;
-    data->parent = parent;
-    data->hdc = GetDC(hwnd);
-    data->hinstance = (HINSTANCE) GetWindowLongPtr(hwnd, GWLP_HINSTANCE);
-    data->created = created;
-    data->mouse_button_flags = 0;
-    data->videodata = videodata;
-    data->initializing = SDL_TRUE;
-
-    window->driverdata = data;
-
-    /* Associate the data with the window */
-    if (!SetProp(hwnd, TEXT("SDL_WindowData"), data)) {
-        ReleaseDC(hwnd, data->hdc);
-        SDL_free(data);
-        return WIN_SetError("SetProp() failed");
-    }
-
-    /* Set up the window proc function */
-#ifdef GWLP_WNDPROC
-    data->wndproc = (WNDPROC) GetWindowLongPtr(hwnd, GWLP_WNDPROC);
-    if (data->wndproc == WIN_WindowProc) {
-        data->wndproc = NULL;
-    } else {
-        SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR) WIN_WindowProc);
-    }
-#else
-    data->wndproc = (WNDPROC) GetWindowLong(hwnd, GWL_WNDPROC);
-    if (data->wndproc == WIN_WindowProc) {
-        data->wndproc = NULL;
-    } else {
-        SetWindowLong(hwnd, GWL_WNDPROC, (LONG_PTR) WIN_WindowProc);
-    }
-#endif
-
-    /* Fill in the SDL window with the window data */
-    {
-        RECT rect;
-        if (GetClientRect(hwnd, &rect)) {
-            int w = rect.right;
-            int h = rect.bottom;
-            if ((window->windowed.w && window->windowed.w != w) || (window->windowed.h && window->windowed.h != h)) {
-                /* We tried to create a window larger than the desktop and Windows didn't allow it.  Override! */
-                int x, y;
-                /* Figure out what the window area will be */
-                WIN_AdjustWindowRect(window, &x, &y, &w, &h, SDL_FALSE);
-                SetWindowPos(hwnd, HWND_NOTOPMOST, x, y, w, h, SWP_NOCOPYBITS | SWP_NOZORDER | SWP_NOACTIVATE);
-            } else {
-                window->w = w;
-                window->h = h;
-            }
-        }
-    }
-    {
-        POINT point;
-        point.x = 0;
-        point.y = 0;
-        if (ClientToScreen(hwnd, &point)) {
-            window->x = point.x;
-            window->y = point.y;
-        }
-    }
-    {
-        DWORD style = GetWindowLong(hwnd, GWL_STYLE);
-        if (style & WS_VISIBLE) {
-            window->flags |= SDL_WINDOW_SHOWN;
-        } else {
-            window->flags &= ~SDL_WINDOW_SHOWN;
-        }
-        if (style & WS_POPUP) {
-            window->flags |= SDL_WINDOW_BORDERLESS;
-        } else {
-            window->flags &= ~SDL_WINDOW_BORDERLESS;
-        }
-        if (style & WS_THICKFRAME) {
-            window->flags |= SDL_WINDOW_RESIZABLE;
-        } else {
-            window->flags &= ~SDL_WINDOW_RESIZABLE;
-        }
-#ifdef WS_MAXIMIZE
-        if (style & WS_MAXIMIZE) {
-            window->flags |= SDL_WINDOW_MAXIMIZED;
-        } else
-#endif
-        {
-            window->flags &= ~SDL_WINDOW_MAXIMIZED;
-        }
-#ifdef WS_MINIMIZE
-        if (style & WS_MINIMIZE) {
-            window->flags |= SDL_WINDOW_MINIMIZED;
-        } else
-#endif
-        {
-            window->flags &= ~SDL_WINDOW_MINIMIZED;
-        }
-    }
-    if (GetFocus() == hwnd) {
-        window->flags |= SDL_WINDOW_INPUT_FOCUS;
-        SDL_SetKeyboardFocus(data->window);
-
-        if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
-            RECT rect;
-            GetClientRect(hwnd, &rect);
-            ClientToScreen(hwnd, (LPPOINT) & rect);
-            ClientToScreen(hwnd, (LPPOINT) & rect + 1);
-            ClipCursor(&rect);
-        }
-    }
-
-    /* Enable multi-touch */
-    if (videodata->RegisterTouchWindow) {
-        videodata->RegisterTouchWindow(hwnd, (TWF_FINETOUCH|TWF_WANTPALM));
-    }
-
-    data->initializing = SDL_FALSE;
-
-    /* All done! */
-    return 0;
-}
-
-
-
-int
-WIN_CreateWindow(_THIS, SDL_Window * window)
-{
-    HWND hwnd, parent = NULL;
-    DWORD style = STYLE_BASIC;
-    int x, y;
-    int w, h;
-
-    if (window->flags & SDL_WINDOW_SKIP_TASKBAR) {
-        parent = CreateWindow(SDL_Appname, TEXT(""), STYLE_BASIC, 0, 0, 32, 32, NULL, NULL, SDL_Instance, NULL);
-    }
-
-    style |= GetWindowStyle(window);
-
-    /* Figure out what the window area will be */
-    WIN_AdjustWindowRectWithStyle(window, style, FALSE, &x, &y, &w, &h, SDL_FALSE);
-
-    hwnd =
-        CreateWindow(SDL_Appname, TEXT(""), style, x, y, w, h, parent, NULL,
-                     SDL_Instance, NULL);
-    if (!hwnd) {
-        return WIN_SetError("Couldn't create window");
-    }
-
-    WIN_PumpEvents(_this);
-
-    if (SetupWindowData(_this, window, hwnd, parent, SDL_TRUE) < 0) {
-        DestroyWindow(hwnd);
-        if (parent) {
-            DestroyWindow(parent);
-        }
-        return -1;
-    }
-
-    /* Inform Windows of the frame change so we can respond to WM_NCCALCSIZE */
-    SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);
-
-    if (window->flags & SDL_WINDOW_MINIMIZED) {
-        ShowWindow(hwnd, SW_SHOWMINNOACTIVE);
-    }
-
-    if (!(window->flags & SDL_WINDOW_OPENGL)) {
-        return 0;
-    }
-
-    /* The rest of this macro mess is for OpenGL or OpenGL ES windows */
-#if SDL_VIDEO_OPENGL_ES2
-    if (_this->gl_config.profile_mask == SDL_GL_CONTEXT_PROFILE_ES
-#if SDL_VIDEO_OPENGL_WGL
-        && (!_this->gl_data || WIN_GL_UseEGL(_this))
-#endif /* SDL_VIDEO_OPENGL_WGL */
-    ) {
-#if SDL_VIDEO_OPENGL_EGL
-        if (WIN_GLES_SetupWindow(_this, window) < 0) {
-            WIN_DestroyWindow(_this, window);
-            return -1;
-        }
-        return 0;
-#else
-        return SDL_SetError("Could not create GLES window surface (EGL support not configured)");
-#endif /* SDL_VIDEO_OPENGL_EGL */ 
-    }
-#endif /* SDL_VIDEO_OPENGL_ES2 */
-
-#if SDL_VIDEO_OPENGL_WGL
-    if (WIN_GL_SetupWindow(_this, window) < 0) {
-        WIN_DestroyWindow(_this, window);
-        return -1;
-    }
-#else
-    return SDL_SetError("Could not create GL window (WGL support not configured)");
-#endif
-
-    return 0;
-}
-
-int
-WIN_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
-{
-    HWND hwnd = (HWND) data;
-    LPTSTR title;
-    int titleLen;
-
-    /* Query the title from the existing window */
-    titleLen = GetWindowTextLength(hwnd);
-    title = SDL_stack_alloc(TCHAR, titleLen + 1);
-    if (title) {
-        titleLen = GetWindowText(hwnd, title, titleLen);
-    } else {
-        titleLen = 0;
-    }
-    if (titleLen > 0) {
-        window->title = WIN_StringToUTF8(title);
-    }
-    if (title) {
-        SDL_stack_free(title);
-    }
-
-    if (SetupWindowData(_this, window, hwnd, GetParent(hwnd), SDL_FALSE) < 0) {
-        return -1;
-    }
-
-#if SDL_VIDEO_OPENGL_WGL
-    {
-        const char *hint = SDL_GetHint(SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT);
-        if (hint) {
-            /* This hint is a pointer (in string form) of the address of
-               the window to share a pixel format with
-            */
-            SDL_Window *otherWindow = NULL;
-            SDL_sscanf(hint, "%p", (void**)&otherWindow);
-
-            /* Do some error checking on the pointer */
-            if (otherWindow != NULL && otherWindow->magic == &_this->window_magic) {
-                /* If the otherWindow has SDL_WINDOW_OPENGL set, set it for the new window as well */
-                if (otherWindow->flags & SDL_WINDOW_OPENGL) {
-                    window->flags |= SDL_WINDOW_OPENGL;
-                    if (!WIN_GL_SetPixelFormatFrom(_this, otherWindow, window)) {
-                        return -1;
-                    }
-                }
-            }
-        }
-    }
-#endif
-    return 0;
-}
-
-void
-WIN_SetWindowTitle(_THIS, SDL_Window * window)
-{
-    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
-    LPTSTR title = WIN_UTF8ToString(window->title);
-    SetWindowText(hwnd, title);
-    SDL_free(title);
-}
-
-void
-WIN_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon)
-{
-    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
-    HICON hicon = NULL;
-    BYTE *icon_bmp;
-    int icon_len, mask_len, y;
-    SDL_RWops *dst;
-
-    /* Create temporary buffer for ICONIMAGE structure */
-    mask_len = (icon->h * (icon->w + 7)/8);
-    icon_len = 40 + icon->h * icon->w * sizeof(Uint32) + mask_len;
-    icon_bmp = SDL_stack_alloc(BYTE, icon_len);
-    dst = SDL_RWFromMem(icon_bmp, icon_len);
-    if (!dst) {
-        SDL_stack_free(icon_bmp);
-        return;
-    }
-
-    /* Write the BITMAPINFO header */
-    SDL_WriteLE32(dst, 40);
-    SDL_WriteLE32(dst, icon->w);
-    SDL_WriteLE32(dst, icon->h * 2);
-    SDL_WriteLE16(dst, 1);
-    SDL_WriteLE16(dst, 32);
-    SDL_WriteLE32(dst, BI_RGB);
-    SDL_WriteLE32(dst, icon->h * icon->w * sizeof(Uint32));
-    SDL_WriteLE32(dst, 0);
-    SDL_WriteLE32(dst, 0);
-    SDL_WriteLE32(dst, 0);
-    SDL_WriteLE32(dst, 0);
-
-    /* Write the pixels upside down into the bitmap buffer */
-    SDL_assert(icon->format->format == SDL_PIXELFORMAT_ARGB8888);
-    y = icon->h;
-    while (y--) {
-        Uint8 *src = (Uint8 *) icon->pixels + y * icon->pitch;
-        SDL_RWwrite(dst, src, icon->w * sizeof(Uint32), 1);
-    }
-
-    /* Write the mask */
-    SDL_memset(icon_bmp + icon_len - mask_len, 0xFF, mask_len);
-
-    hicon = CreateIconFromResource(icon_bmp, icon_len, TRUE, 0x00030000);
-
-    SDL_RWclose(dst);
-    SDL_stack_free(icon_bmp);
-
-    /* Set the icon for the window */
-    SendMessage(hwnd, WM_SETICON, ICON_SMALL, (LPARAM) hicon);
-
-    /* Set the icon in the task manager (should we do this?) */
-    SendMessage(hwnd, WM_SETICON, ICON_BIG, (LPARAM) hicon);
-}
-
-void
-WIN_SetWindowPosition(_THIS, SDL_Window * window)
-{
-    WIN_SetWindowPositionInternal(_this, window, SWP_NOCOPYBITS | SWP_NOSIZE | SWP_NOACTIVATE);
-}
-
-void
-WIN_SetWindowSize(_THIS, SDL_Window * window)
-{
-    WIN_SetWindowPositionInternal(_this, window, SWP_NOCOPYBITS | SWP_NOMOVE | SWP_NOACTIVATE);
-}
-
-int
-WIN_GetWindowBordersSize(_THIS, SDL_Window * window, int *top, int *left, int *bottom, int *right)
-{
-    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
-    RECT rcClient, rcWindow;
-    POINT ptDiff;
-
-    /* rcClient stores the size of the inner window, while rcWindow stores the outer size relative to the top-left
-     * screen position; so the top/left values of rcClient are always {0,0} and bottom/right are {height,width} */
-    GetClientRect(hwnd, &rcClient);
-    GetWindowRect(hwnd, &rcWindow);
-
-    /* convert the top/left values to make them relative to
-     * the window; they will end up being slightly negative */
-    ptDiff.y = rcWindow.top;
-    ptDiff.x = rcWindow.left;
-
-    ScreenToClient(hwnd, &ptDiff);
-
-    rcWindow.top  = ptDiff.y;
-    rcWindow.left = ptDiff.x;
-
-    /* convert the bottom/right values to make them relative to the window,
-     * these will be slightly bigger than the inner width/height */
-    ptDiff.y = rcWindow.bottom;
-    ptDiff.x = rcWindow.right;
-
-    ScreenToClient(hwnd, &ptDiff);
-
-    rcWindow.bottom = ptDiff.y;
-    rcWindow.right  = ptDiff.x;
-
-    /* Now that both the inner and outer rects use the same coordinate system we can substract them to get the border size.
-     * Keep in mind that the top/left coordinates of rcWindow are negative because the border lies slightly before {0,0},
-     * so switch them around because SDL2 wants them in positive. */
-    *top    = rcClient.top    - rcWindow.top;
-    *left   = rcClient.left   - rcWindow.left;
-    *bottom = rcWindow.bottom - rcClient.bottom;
-    *right  = rcWindow.right  - rcClient.right;
-
-    return 0;
-}
-
-void
-WIN_ShowWindow(_THIS, SDL_Window * window)
-{
-    DWORD style;
-    HWND hwnd;
-    int nCmdShow;
-    
-    hwnd = ((SDL_WindowData *)window->driverdata)->hwnd;
-    nCmdShow = SW_SHOW;
-    style = GetWindowLong(hwnd, GWL_EXSTYLE);
-    if (style & WS_EX_NOACTIVATE) {
-        nCmdShow = SW_SHOWNOACTIVATE;
-    }
-    ShowWindow(hwnd, nCmdShow);
-}
-
-void
-WIN_HideWindow(_THIS, SDL_Window * window)
-{
-    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
-    ShowWindow(hwnd, SW_HIDE);
-}
-
-void
-WIN_RaiseWindow(_THIS, SDL_Window * window)
-{
-    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
-    SetForegroundWindow(hwnd);
-}
-
-void
-WIN_MaximizeWindow(_THIS, SDL_Window * window)
-{
-    SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
-    HWND hwnd = data->hwnd;
-    data->expected_resize = SDL_TRUE;
-    ShowWindow(hwnd, SW_MAXIMIZE);
-    data->expected_resize = SDL_FALSE;
-}
-
-void
-WIN_MinimizeWindow(_THIS, SDL_Window * window)
-{
-    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
-    ShowWindow(hwnd, SW_MINIMIZE);
-}
-
-void
-WIN_SetWindowBordered(_THIS, SDL_Window * window, SDL_bool bordered)
-{
-    SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
-    HWND hwnd = data->hwnd;
-    DWORD style;
-
-    style = GetWindowLong(hwnd, GWL_STYLE);
-    style &= ~STYLE_MASK;
-    style |= GetWindowStyle(window);
-
-    data->in_border_change = SDL_TRUE;
-    SetWindowLong(hwnd, GWL_STYLE, style);
-    WIN_SetWindowPositionInternal(_this, window, SWP_NOCOPYBITS | SWP_FRAMECHANGED | SWP_NOZORDER | SWP_NOACTIVATE);
-    data->in_border_change = SDL_FALSE;
-}
-
-void
-WIN_SetWindowResizable(_THIS, SDL_Window * window, SDL_bool resizable)
-{
-    SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
-    HWND hwnd = data->hwnd;
-    DWORD style;
-
-    style = GetWindowLong(hwnd, GWL_STYLE);
-    style &= ~STYLE_MASK;
-    style |= GetWindowStyle(window);
-
-    SetWindowLong(hwnd, GWL_STYLE, style);
-}
-
-void
-WIN_RestoreWindow(_THIS, SDL_Window * window)
-{
-    SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
-    HWND hwnd = data->hwnd;
-    data->expected_resize = SDL_TRUE;
-    ShowWindow(hwnd, SW_RESTORE);
-    data->expected_resize = SDL_FALSE;
-}
-
-void
-WIN_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen)
-{
-    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
-    HWND hwnd = data->hwnd;
-    SDL_Rect bounds;
-    DWORD style;
-    HWND top;
-    int x, y;
-    int w, h;
-
-    if (SDL_ShouldAllowTopmost() && ((window->flags & (SDL_WINDOW_FULLSCREEN|SDL_WINDOW_INPUT_FOCUS)) == (SDL_WINDOW_FULLSCREEN|SDL_WINDOW_INPUT_FOCUS) || window->flags & SDL_WINDOW_ALWAYS_ON_TOP)) {
-        top = HWND_TOPMOST;
-    } else {
-        top = HWND_NOTOPMOST;
-    }
-
-    style = GetWindowLong(hwnd, GWL_STYLE);
-    style &= ~STYLE_MASK;
-    style |= GetWindowStyle(window);
-
-    WIN_GetDisplayBounds(_this, display, &bounds);
-
-    if (fullscreen) {
-        x = bounds.x;
-        y = bounds.y;
-        w = bounds.w;
-        h = bounds.h;
-
-        /* Unset the maximized flag.  This fixes
-           https://bugzilla.libsdl.org/show_bug.cgi?id=3215
-        */
-        if (style & WS_MAXIMIZE) {
-            data->windowed_mode_was_maximized = SDL_TRUE;
-            style &= ~WS_MAXIMIZE;
-        }
-    } else {
-        BOOL menu;
-
-        /* Restore window-maximization state, as applicable.
-           Special care is taken to *not* do this if and when we're
-           alt-tab'ing away (to some other window; as indicated by
-           in_window_deactivation), otherwise
-           https://bugzilla.libsdl.org/show_bug.cgi?id=3215 can reproduce!
-        */
-        if (data->windowed_mode_was_maximized && !data->in_window_deactivation) {
-            style |= WS_MAXIMIZE;
-            data->windowed_mode_was_maximized = SDL_FALSE;
-        }
-
-        menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
-        WIN_AdjustWindowRectWithStyle(window, style, menu, &x, &y, &w, &h, SDL_FALSE);
-    }
-    SetWindowLong(hwnd, GWL_STYLE, style);
-    data->expected_resize = SDL_TRUE;
-    SetWindowPos(hwnd, top, x, y, w, h, SWP_NOCOPYBITS | SWP_NOACTIVATE);
-    data->expected_resize = SDL_FALSE;
-}
-
-int
-WIN_SetWindowGammaRamp(_THIS, SDL_Window * window, const Uint16 * ramp)
-{
-    SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
-    SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;
-    HDC hdc;
-    BOOL succeeded = FALSE;
-
-    hdc = CreateDC(data->DeviceName, NULL, NULL, NULL);
-    if (hdc) {
-        succeeded = SetDeviceGammaRamp(hdc, (LPVOID)ramp);
-        if (!succeeded) {
-            WIN_SetError("SetDeviceGammaRamp()");
-        }
-        DeleteDC(hdc);
-    }
-    return succeeded ? 0 : -1;
-}
-
-int
-WIN_GetWindowGammaRamp(_THIS, SDL_Window * window, Uint16 * ramp)
-{
-    SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
-    SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;
-    HDC hdc;
-    BOOL succeeded = FALSE;
-
-    hdc = CreateDC(data->DeviceName, NULL, NULL, NULL);
-    if (hdc) {
-        succeeded = GetDeviceGammaRamp(hdc, (LPVOID)ramp);
-        if (!succeeded) {
-            WIN_SetError("GetDeviceGammaRamp()");
-        }
-        DeleteDC(hdc);
-    }
-    return succeeded ? 0 : -1;
-}
-
-void
-WIN_SetWindowGrab(_THIS, SDL_Window * window, SDL_bool grabbed)
-{
-    WIN_UpdateClipCursor(window);
-
-    if (window->flags & SDL_WINDOW_FULLSCREEN) {
-        UINT flags = SWP_NOCOPYBITS | SWP_NOMOVE | SWP_NOSIZE;
-
-        if (!(window->flags & SDL_WINDOW_SHOWN)) {
-            flags |= SWP_NOACTIVATE;
-        }
-        WIN_SetWindowPositionInternal(_this, window, flags);
-    }
-}
-
-void
-WIN_DestroyWindow(_THIS, SDL_Window * window)
-{
-    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
-
-    if (data) {
-        ReleaseDC(data->hwnd, data->hdc);
-        RemoveProp(data->hwnd, TEXT("SDL_WindowData"));
-        if (data->created) {
-            DestroyWindow(data->hwnd);
-            if (data->parent) {
-                DestroyWindow(data->parent);
-            }
-        } else {
-            /* Restore any original event handler... */
-            if (data->wndproc != NULL) {
-#ifdef GWLP_WNDPROC
-                SetWindowLongPtr(data->hwnd, GWLP_WNDPROC,
-                                 (LONG_PTR) data->wndproc);
-#else
-                SetWindowLong(data->hwnd, GWL_WNDPROC,
-                              (LONG_PTR) data->wndproc);
-#endif
-            }
-        }
-        SDL_free(data);
-    }
-    window->driverdata = NULL;
-}
-
-SDL_bool
-WIN_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
-{
-    const SDL_WindowData *data = (const SDL_WindowData *) window->driverdata;
-    if (info->version.major <= SDL_MAJOR_VERSION) {
-        int versionnum = SDL_VERSIONNUM(info->version.major, info->version.minor, info->version.patch);
-
-        info->subsystem = SDL_SYSWM_WINDOWS;
-        info->info.win.window = data->hwnd;
-
-        if (versionnum >= SDL_VERSIONNUM(2, 0, 4)) {
-            info->info.win.hdc = data->hdc;
-        }
-
-        if (versionnum >= SDL_VERSIONNUM(2, 0, 5)) {
-            info->info.win.hinstance = data->hinstance;
-        }
-
-        return SDL_TRUE;
-    } else {
-        SDL_SetError("Application not compiled with SDL %d.%d",
-                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
-        return SDL_FALSE;
-    }
-}
-
-
-/*
- * Creates a HelperWindow used for DirectInput events.
- */
-int
-SDL_HelperWindowCreate(void)
-{
-    HINSTANCE hInstance = GetModuleHandle(NULL);
-    WNDCLASS wce;
-
-    /* Make sure window isn't created twice. */
-    if (SDL_HelperWindow != NULL) {
-        return 0;
-    }
-
-    /* Create the class. */
-    SDL_zero(wce);
-    wce.lpfnWndProc = DefWindowProc;
-    wce.lpszClassName = (LPCWSTR) SDL_HelperWindowClassName;
-    wce.hInstance = hInstance;
-
-    /* Register the class. */
-    SDL_HelperWindowClass = RegisterClass(&wce);
-    if (SDL_HelperWindowClass == 0 && GetLastError() != ERROR_CLASS_ALREADY_EXISTS) {
-        return WIN_SetError("Unable to create Helper Window Class");
-    }
-
-    /* Create the window. */
-    SDL_HelperWindow = CreateWindowEx(0, SDL_HelperWindowClassName,
-                                      SDL_HelperWindowName,
-                                      WS_OVERLAPPED, CW_USEDEFAULT,
-                                      CW_USEDEFAULT, CW_USEDEFAULT,
-                                      CW_USEDEFAULT, HWND_MESSAGE, NULL,
-                                      hInstance, NULL);
-    if (SDL_HelperWindow == NULL) {
-        UnregisterClass(SDL_HelperWindowClassName, hInstance);
-        return WIN_SetError("Unable to create Helper Window");
-    }
-
-    return 0;
-}
-
-
-/*
- * Destroys the HelperWindow previously created with SDL_HelperWindowCreate.
- */
-void
-SDL_HelperWindowDestroy(void)
-{
-    HINSTANCE hInstance = GetModuleHandle(NULL);
-
-    /* Destroy the window. */
-    if (SDL_HelperWindow != NULL) {
-        if (DestroyWindow(SDL_HelperWindow) == 0) {
-            WIN_SetError("Unable to destroy Helper Window");
-            return;
-        }
-        SDL_HelperWindow = NULL;
-    }
-
-    /* Unregister the class. */
-    if (SDL_HelperWindowClass != 0) {
-        if ((UnregisterClass(SDL_HelperWindowClassName, hInstance)) == 0) {
-            WIN_SetError("Unable to destroy Helper Window Class");
-            return;
-        }
-        SDL_HelperWindowClass = 0;
-    }
-}
-
-void WIN_OnWindowEnter(_THIS, SDL_Window * window)
-{
-    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
-
-    if (!data || !data->hwnd) {
-        /* The window wasn't fully initialized */
-        return;
-    }
-
-    if (window->flags & SDL_WINDOW_ALWAYS_ON_TOP) {
-        WIN_SetWindowPositionInternal(_this, window, SWP_NOCOPYBITS | SWP_NOSIZE | SWP_NOACTIVATE);
-    }
-
-#ifdef WM_MOUSELEAVE
-    {
-        TRACKMOUSEEVENT trackMouseEvent;
-
-        trackMouseEvent.cbSize = sizeof(TRACKMOUSEEVENT);
-        trackMouseEvent.dwFlags = TME_LEAVE;
-        trackMouseEvent.hwndTrack = data->hwnd;
-
-        TrackMouseEvent(&trackMouseEvent);
-    }
-#endif /* WM_MOUSELEAVE */
-}
-
-void
-WIN_UpdateClipCursor(SDL_Window *window)
-{
-    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
-    SDL_Mouse *mouse = SDL_GetMouse();
-    RECT rect;
-
-    if (data->in_title_click || data->focus_click_pending) {
-        return;
-    }
-    if (data->skip_update_clipcursor) {
-        data->skip_update_clipcursor = SDL_FALSE;
-        return;
-    }
-
-    if ((mouse->relative_mode || (window->flags & SDL_WINDOW_INPUT_GRABBED)) &&
-        (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
-        if (mouse->relative_mode && !mouse->relative_mode_warp) {
-            LONG cx, cy;
-            GetWindowRect(data->hwnd, &rect);
-
-            cx = (rect.left + rect.right) / 2;
-            cy = (rect.top + rect.bottom) / 2;
-
-            /* Make an absurdly small clip rect */
-            rect.left = cx - 1;
-            rect.right = cx + 1;
-            rect.top = cy - 1;
-            rect.bottom = cy + 1;
-
-            if (ClipCursor(&rect)) {
-                data->cursor_clipped_rect = rect;
-            }
-        } else {
-            if (GetClientRect(data->hwnd, &rect) && !IsRectEmpty(&rect)) {
-                ClientToScreen(data->hwnd, (LPPOINT) & rect);
-                ClientToScreen(data->hwnd, (LPPOINT) & rect + 1);
-                if (ClipCursor(&rect)) {
-                    data->cursor_clipped_rect = rect;
-                }
-            }
-        }
-    } else if (GetClipCursor(&rect) && SDL_memcmp(&rect, &data->cursor_clipped_rect, sizeof(rect)) == 0) {
-        ClipCursor(NULL);
-        SDL_zero(data->cursor_clipped_rect);
-    }
-}
-
-int
-WIN_SetWindowHitTest(SDL_Window *window, SDL_bool enabled)
-{
-    return 0;  /* just succeed, the real work is done elsewhere. */
-}
-
-int
-WIN_SetWindowOpacity(_THIS, SDL_Window * window, float opacity)
-{
-    const SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
-    const HWND hwnd = data->hwnd;
-    const LONG style = GetWindowLong(hwnd, GWL_EXSTYLE);
-
-    SDL_assert(style != 0);
-
-    if (opacity == 1.0f) {
-        /* want it fully opaque, just mark it unlayered if necessary. */
-        if (style & WS_EX_LAYERED) {
-            if (SetWindowLong(hwnd, GWL_EXSTYLE, style & ~WS_EX_LAYERED) == 0) {
-                return WIN_SetError("SetWindowLong()");
-            }
-        }
-    } else {
-        const BYTE alpha = (BYTE) ((int) (opacity * 255.0f));
-        /* want it transparent, mark it layered if necessary. */
-        if ((style & WS_EX_LAYERED) == 0) {
-            if (SetWindowLong(hwnd, GWL_EXSTYLE, style | WS_EX_LAYERED) == 0) {
-                return WIN_SetError("SetWindowLong()");
-            }
-        }
-
-        if (SetLayeredWindowAttributes(hwnd, 0, alpha, LWA_ALPHA) == 0) {
-            return WIN_SetError("SetLayeredWindowAttributes()");
-        }
-    }
-
-    return 0;
-}
-
-void
-WIN_AcceptDragAndDrop(SDL_Window * window, SDL_bool accept)
-{
-    const SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
-    DragAcceptFiles(data->hwnd, accept ? TRUE : FALSE);
-}
-
-#endif /* SDL_VIDEO_DRIVER_WINDOWS */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/SDL_windowswindow.h b/Source/3rdParty/SDL2/src/video/windows/SDL_windowswindow.h
deleted file mode 100644
index b738c34..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/SDL_windowswindow.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#ifndef SDL_windowswindow_h_
-#define SDL_windowswindow_h_
-
-#if SDL_VIDEO_OPENGL_EGL   
-#include "../SDL_egl_c.h"
-#endif
-
-typedef struct
-{
-    SDL_Window *window;
-    HWND hwnd;
-    HWND parent;
-    HDC hdc;
-    HDC mdc;
-    HINSTANCE hinstance;
-    HBITMAP hbm;
-    WNDPROC wndproc;
-    SDL_bool created;
-    WPARAM mouse_button_flags;
-    SDL_bool initializing;
-    SDL_bool expected_resize;
-    SDL_bool in_border_change;
-    SDL_bool in_title_click;
-    Uint8 focus_click_pending;
-    SDL_bool skip_update_clipcursor;
-    SDL_bool windowed_mode_was_maximized;
-    SDL_bool in_window_deactivation;
-    RECT cursor_clipped_rect;
-    struct SDL_VideoData *videodata;
-#if SDL_VIDEO_OPENGL_EGL  
-    EGLSurface egl_surface;
-#endif
-} SDL_WindowData;
-
-extern int WIN_CreateWindow(_THIS, SDL_Window * window);
-extern int WIN_CreateWindowFrom(_THIS, SDL_Window * window, const void *data);
-extern void WIN_SetWindowTitle(_THIS, SDL_Window * window);
-extern void WIN_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon);
-extern void WIN_SetWindowPosition(_THIS, SDL_Window * window);
-extern void WIN_SetWindowSize(_THIS, SDL_Window * window);
-extern int WIN_GetWindowBordersSize(_THIS, SDL_Window * window, int *top, int *left, int *bottom, int *right);
-extern int WIN_SetWindowOpacity(_THIS, SDL_Window * window, float opacity);
-extern void WIN_ShowWindow(_THIS, SDL_Window * window);
-extern void WIN_HideWindow(_THIS, SDL_Window * window);
-extern void WIN_RaiseWindow(_THIS, SDL_Window * window);
-extern void WIN_MaximizeWindow(_THIS, SDL_Window * window);
-extern void WIN_MinimizeWindow(_THIS, SDL_Window * window);
-extern void WIN_RestoreWindow(_THIS, SDL_Window * window);
-extern void WIN_SetWindowBordered(_THIS, SDL_Window * window, SDL_bool bordered);
-extern void WIN_SetWindowResizable(_THIS, SDL_Window * window, SDL_bool resizable);
-extern void WIN_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen);
-extern int WIN_SetWindowGammaRamp(_THIS, SDL_Window * window, const Uint16 * ramp);
-extern int WIN_GetWindowGammaRamp(_THIS, SDL_Window * window, Uint16 * ramp);
-extern void WIN_SetWindowGrab(_THIS, SDL_Window * window, SDL_bool grabbed);
-extern void WIN_DestroyWindow(_THIS, SDL_Window * window);
-extern SDL_bool WIN_GetWindowWMInfo(_THIS, SDL_Window * window,
-                                    struct SDL_SysWMinfo *info);
-extern void WIN_OnWindowEnter(_THIS, SDL_Window * window);
-extern void WIN_UpdateClipCursor(SDL_Window *window);
-extern int WIN_SetWindowHitTest(SDL_Window *window, SDL_bool enabled);
-extern void WIN_AcceptDragAndDrop(SDL_Window * window, SDL_bool accept);
-
-#endif /* SDL_windowswindow_h_ */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/Source/3rdParty/SDL2/src/video/windows/wmmsg.h b/Source/3rdParty/SDL2/src/video/windows/wmmsg.h
deleted file mode 100644
index 19c1bf4..0000000
--- a/Source/3rdParty/SDL2/src/video/windows/wmmsg.h
+++ /dev/null
@@ -1,1052 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-
-#define MAX_WMMSG   (sizeof(wmtab)/sizeof(wmtab[0]))
-
-char *wmtab[] = {
-    "WM_NULL",
-    "WM_CREATE",
-    "WM_DESTROY",
-    "WM_MOVE",
-    "UNKNOWN (4)",
-    "WM_SIZE",
-    "WM_ACTIVATE",
-    "WM_SETFOCUS",
-    "WM_KILLFOCUS",
-    "UNKNOWN (9)",
-    "WM_ENABLE",
-    "WM_SETREDRAW",
-    "WM_SETTEXT",
-    "WM_GETTEXT",
-    "WM_GETTEXTLENGTH",
-    "WM_PAINT",
-    "WM_CLOSE",
-    "WM_QUERYENDSESSION",
-    "WM_QUIT",
-    "WM_QUERYOPEN",
-    "WM_ERASEBKGND",
-    "WM_SYSCOLORCHANGE",
-    "WM_ENDSESSION",
-    "UNKNOWN (23)",
-    "WM_SHOWWINDOW",
-    "UNKNOWN (25)",
-    "WM_SETTINGCHANGE",
-    "WM_DEVMODECHANGE",
-    "WM_ACTIVATEAPP",
-    "WM_FONTCHANGE",
-    "WM_TIMECHANGE",
-    "WM_CANCELMODE",
-    "WM_SETCURSOR",
-    "WM_MOUSEACTIVATE",
-    "WM_CHILDACTIVATE",
-    "WM_QUEUESYNC",
-    "WM_GETMINMAXINFO",
-    "UNKNOWN (37)",
-    "WM_PAINTICON",
-    "WM_ICONERASEBKGND",
-    "WM_NEXTDLGCTL",
-    "UNKNOWN (41)",
-    "WM_SPOOLERSTATUS",
-    "WM_DRAWITEM",
-    "WM_MEASUREITEM",
-    "WM_DELETEITEM",
-    "WM_VKEYTOITEM",
-    "WM_CHARTOITEM",
-    "WM_SETFONT",
-    "WM_GETFONT",
-    "WM_SETHOTKEY",
-    "WM_GETHOTKEY",
-    "UNKNOWN (52)",
-    "UNKNOWN (53)",
-    "UNKNOWN (54)",
-    "WM_QUERYDRAGICON",
-    "UNKNOWN (56)",
-    "WM_COMPAREITEM",
-    "UNKNOWN (58)",
-    "UNKNOWN (59)",
-    "UNKNOWN (60)",
-    "WM_GETOBJECT",
-    "UNKNOWN (62)",
-    "UNKNOWN (63)",
-    "UNKNOWN (64)",
-    "WM_COMPACTING",
-    "UNKNOWN (66)",
-    "UNKNOWN (67)",
-    "WM_COMMNOTIFY",
-    "UNKNOWN (69)",
-    "WM_WINDOWPOSCHANGING",
-    "WM_WINDOWPOSCHANGED",
-    "WM_POWER",
-    "UNKNOWN (73)",
-    "WM_COPYDATA",
-    "WM_CANCELJOURNAL",
-    "UNKNOWN (76)",
-    "UNKNOWN (77)",
-    "WM_NOTIFY",
-    "UNKNOWN (79)",
-    "WM_INPUTLANGCHANGEREQUEST",
-    "WM_INPUTLANGCHANGE",
-    "WM_TCARD",
-    "WM_HELP",
-    "WM_USERCHANGED",
-    "WM_NOTIFYFORMAT",
-    "UNKNOWN (86)",
-    "UNKNOWN (87)",
-    "UNKNOWN (88)",
-    "UNKNOWN (89)",
-    "UNKNOWN (90)",
-    "UNKNOWN (91)",
-    "UNKNOWN (92)",
-    "UNKNOWN (93)",
-    "UNKNOWN (94)",
-    "UNKNOWN (95)",
-    "UNKNOWN (96)",
-    "UNKNOWN (97)",
-    "UNKNOWN (98)",
-    "UNKNOWN (99)",
-    "UNKNOWN (100)",
-    "UNKNOWN (101)",
-    "UNKNOWN (102)",
-    "UNKNOWN (103)",
-    "UNKNOWN (104)",
-    "UNKNOWN (105)",
-    "UNKNOWN (106)",
-    "UNKNOWN (107)",
-    "UNKNOWN (108)",
-    "UNKNOWN (109)",
-    "UNKNOWN (110)",
-    "UNKNOWN (111)",
-    "UNKNOWN (112)",
-    "UNKNOWN (113)",
-    "UNKNOWN (114)",
-    "UNKNOWN (115)",
-    "UNKNOWN (116)",
-    "UNKNOWN (117)",
-    "UNKNOWN (118)",
-    "UNKNOWN (119)",
-    "UNKNOWN (120)",
-    "UNKNOWN (121)",
-    "UNKNOWN (122)",
-    "WM_CONTEXTMENU",
-    "WM_STYLECHANGING",
-    "WM_STYLECHANGED",
-    "WM_DISPLAYCHANGE",
-    "WM_GETICON",
-    "WM_SETICON",
-    "WM_NCCREATE",
-    "WM_NCDESTROY",
-    "WM_NCCALCSIZE",
-    "WM_NCHITTEST",
-    "WM_NCPAINT",
-    "WM_NCACTIVATE",
-    "WM_GETDLGCODE",
-    "WM_SYNCPAINT",
-    "UNKNOWN (137)",
-    "UNKNOWN (138)",
-    "UNKNOWN (139)",
-    "UNKNOWN (140)",
-    "UNKNOWN (141)",
-    "UNKNOWN (142)",
-    "UNKNOWN (143)",
-    "UNKNOWN (144)",
-    "UNKNOWN (145)",
-    "UNKNOWN (146)",
-    "UNKNOWN (147)",
-    "UNKNOWN (148)",
-    "UNKNOWN (149)",
-    "UNKNOWN (150)",
-    "UNKNOWN (151)",
-    "UNKNOWN (152)",
-    "UNKNOWN (153)",
-    "UNKNOWN (154)",
-    "UNKNOWN (155)",
-    "UNKNOWN (156)",
-    "UNKNOWN (157)",
-    "UNKNOWN (158)",
-    "UNKNOWN (159)",
-    "WM_NCMOUSEMOVE",
-    "WM_NCLBUTTONDOWN",
-    "WM_NCLBUTTONUP",
-    "WM_NCLBUTTONDBLCLK",
-    "WM_NCRBUTTONDOWN",
-    "WM_NCRBUTTONUP",
-    "WM_NCRBUTTONDBLCLK",
-    "WM_NCMBUTTONDOWN",
-    "WM_NCMBUTTONUP",
-    "WM_NCMBUTTONDBLCLK",
-    "UNKNOWN (170)",
-    "WM_NCXBUTTONDOWN",
-    "WM_NCXBUTTONUP",
-    "WM_NCXBUTTONDBLCLK",
-    "WM_NCUAHDRAWCAPTION",
-    "WM_NCUAHDRAWFRAME",
-    "UNKNOWN (176)",
-    "UNKNOWN (177)",
-    "UNKNOWN (178)",
-    "UNKNOWN (179)",
-    "UNKNOWN (180)",
-    "UNKNOWN (181)",
-    "UNKNOWN (182)",
-    "UNKNOWN (183)",
-    "UNKNOWN (184)",
-    "UNKNOWN (185)",
-    "UNKNOWN (186)",
-    "UNKNOWN (187)",
-    "UNKNOWN (188)",
-    "UNKNOWN (189)",
-    "UNKNOWN (190)",
-    "UNKNOWN (191)",
-    "UNKNOWN (192)",
-    "UNKNOWN (193)",
-    "UNKNOWN (194)",
-    "UNKNOWN (195)",
-    "UNKNOWN (196)",
-    "UNKNOWN (197)",
-    "UNKNOWN (198)",
-    "UNKNOWN (199)",
-    "UNKNOWN (200)",
-    "UNKNOWN (201)",
-    "UNKNOWN (202)",
-    "UNKNOWN (203)",
-    "UNKNOWN (204)",
-    "UNKNOWN (205)",
-    "UNKNOWN (206)",
-    "UNKNOWN (207)",
-    "UNKNOWN (208)",
-    "UNKNOWN (209)",
-    "UNKNOWN (210)",
-    "UNKNOWN (211)",
-    "UNKNOWN (212)",
-    "UNKNOWN (213)",
-    "UNKNOWN (214)",
-    "UNKNOWN (215)",
-    "UNKNOWN (216)",
-    "UNKNOWN (217)",
-    "UNKNOWN (218)",
-    "UNKNOWN (219)",
-    "UNKNOWN (220)",
-    "UNKNOWN (221)",
-    "UNKNOWN (222)",
-    "UNKNOWN (223)",
-    "UNKNOWN (224)",
-    "UNKNOWN (225)",
-    "UNKNOWN (226)",
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-    "UNKNOWN (999)",
-    "UNKNOWN (1000)",
-    "UNKNOWN (1001)",
-    "UNKNOWN (1002)",
-    "UNKNOWN (1003)",
-    "UNKNOWN (1004)",
-    "UNKNOWN (1005)",
-    "UNKNOWN (1006)",
-    "UNKNOWN (1007)",
-    "UNKNOWN (1008)",
-    "UNKNOWN (1009)",
-    "UNKNOWN (1010)",
-    "UNKNOWN (1011)",
-    "UNKNOWN (1012)",
-    "UNKNOWN (1013)",
-    "UNKNOWN (1014)",
-    "UNKNOWN (1015)",
-    "UNKNOWN (1016)",
-    "UNKNOWN (1017)",
-    "UNKNOWN (1018)",
-    "UNKNOWN (1019)",
-    "UNKNOWN (1020)",
-    "UNKNOWN (1021)",
-    "UNKNOWN (1022)",
-    "UNKNOWN (1023)",
-    "WM_USER"
-};
-
-/* vi: set ts=4 sw=4 expandtab: */