*initHEADmaster

1 files changed, 160 insertions, 0 deletions

diff --git a/source/3rd-party/SDL2/src/core/winrt/SDL_winrtapp_xaml.cpp b/source/3rd-party/SDL2/src/core/winrt/SDL_winrtapp_xaml.cpp
new file mode 100644
index 0000000..7e2aac8
--- /dev/null
+++ b/source/3rd-party/SDL2/src/core/winrt/SDL_winrtapp_xaml.cpp
@@ -0,0 +1,160 @@
+/*
+  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.
+*/
+
+/* Windows includes */
+#include <agile.h>
+#include <Windows.h>
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP
+#include <windows.ui.xaml.media.dxinterop.h>
+#endif
+
+
+/* SDL includes */
+#include "../../SDL_internal.h"
+#include "SDL.h"
+#include "../../video/winrt/SDL_winrtevents_c.h"
+#include "../../video/winrt/SDL_winrtvideo_cpp.h"
+#include "SDL_winrtapp_common.h"
+#include "SDL_winrtapp_xaml.h"
+
+
+
+/* SDL-internal globals: */
+SDL_bool WINRT_XAMLWasEnabled = SDL_FALSE;
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP
+extern "C"
+ISwapChainBackgroundPanelNative * WINRT_GlobalSwapChainBackgroundPanelNative = NULL;
+static Windows::Foundation::EventRegistrationToken  WINRT_XAMLAppEventToken;
+#endif
+
+
+/*
+ * Input event handlers (XAML)
+ */
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP
+
+static void
+WINRT_OnPointerPressedViaXAML(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ args)
+{
+    WINRT_ProcessPointerPressedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
+}
+
+static void
+WINRT_OnPointerMovedViaXAML(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ args)
+{
+    WINRT_ProcessPointerMovedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
+}
+
+static void
+WINRT_OnPointerReleasedViaXAML(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ args)
+{
+    WINRT_ProcessPointerReleasedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
+}
+
+static void
+WINRT_OnPointerWheelChangedViaXAML(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ args)
+{
+    WINRT_ProcessPointerWheelChangedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
+}
+
+#endif // WINAPI_FAMILY == WINAPI_FAMILY_APP
+
+
+/*
+ * XAML-to-SDL Rendering Callback
+ */
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP
+
+static void
+WINRT_OnRenderViaXAML(_In_ Platform::Object^ sender, _In_ Platform::Object^ args)
+{
+    WINRT_CycleXAMLThread();
+}
+
+#endif // WINAPI_FAMILY == WINAPI_FAMILY_APP
+
+
+/*
+ * SDL + XAML Initialization
+ */
+
+int
+SDL_WinRTInitXAMLApp(int (*mainFunction)(int, char **), void * backgroundPanelAsIInspectable)
+{
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+    return SDL_SetError("XAML support is not yet available in Windows Phone.");
+#else
+    // Declare C++/CX namespaces:
+    using namespace Platform;
+    using namespace Windows::Foundation;
+    using namespace Windows::UI::Core;
+    using namespace Windows::UI::Xaml;
+    using namespace Windows::UI::Xaml::Controls;
+    using namespace Windows::UI::Xaml::Input;
+    using namespace Windows::UI::Xaml::Media;
+
+    // Make sure we have a valid XAML element (to draw onto):
+    if ( ! backgroundPanelAsIInspectable) {
+        return SDL_SetError("'backgroundPanelAsIInspectable' can't be NULL");
+    }
+
+    Platform::Object ^ backgroundPanel = reinterpret_cast<Object ^>((IInspectable *) backgroundPanelAsIInspectable);
+    SwapChainBackgroundPanel ^swapChainBackgroundPanel = dynamic_cast<SwapChainBackgroundPanel ^>(backgroundPanel);
+    if ( ! swapChainBackgroundPanel) {
+        return SDL_SetError("An unknown or unsupported type of XAML control was specified.");
+    }
+
+    // Setup event handlers:
+    swapChainBackgroundPanel->PointerPressed += ref new PointerEventHandler(WINRT_OnPointerPressedViaXAML);
+    swapChainBackgroundPanel->PointerReleased += ref new PointerEventHandler(WINRT_OnPointerReleasedViaXAML);
+    swapChainBackgroundPanel->PointerWheelChanged += ref new PointerEventHandler(WINRT_OnPointerWheelChangedViaXAML);
+    swapChainBackgroundPanel->PointerMoved += ref new PointerEventHandler(WINRT_OnPointerMovedViaXAML);
+
+    // Setup for rendering:
+    IInspectable *panelInspectable = (IInspectable*) reinterpret_cast<IInspectable*>(swapChainBackgroundPanel);
+    panelInspectable->QueryInterface(__uuidof(ISwapChainBackgroundPanelNative), (void **)&WINRT_GlobalSwapChainBackgroundPanelNative);
+
+    WINRT_XAMLAppEventToken = CompositionTarget::Rendering::add(ref new EventHandler<Object^>(WINRT_OnRenderViaXAML));
+
+    // Make sure the app is ready to call the SDL-centric main() function:
+    WINRT_SDLAppEntryPoint = mainFunction;
+    SDL_SetMainReady();
+
+    // Make sure video-init knows that we're initializing XAML:
+    SDL_bool oldXAMLWasEnabledValue = WINRT_XAMLWasEnabled;
+    WINRT_XAMLWasEnabled = SDL_TRUE;
+
+    // Make sure video modes are detected now, while we still have access to the WinRT
+    // CoreWindow.  WinRT will not allow the app's CoreWindow to be accessed via the
+    // SDL/WinRT thread.
+    if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0) {
+        // SDL_InitSubSystem will, on error, set the SDL error.  Let that propogate to
+        // the caller to here:
+        WINRT_XAMLWasEnabled = oldXAMLWasEnabledValue;
+        return -1;
+    }
+
+    // All done, for now.
+    return 0;
+#endif // WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP  /  else
+}