From ad8ffb96789f90180982b344540870a2d4e2d60b Mon Sep 17 00:00:00 2001 From: chai Date: Thu, 31 May 2018 08:12:40 +0800 Subject: init --- 3rdparty/SDL/src/video/windib/SDL_dibevents.c | 704 ++++++++++++++++++++++++++ 1 file changed, 704 insertions(+) create mode 100644 3rdparty/SDL/src/video/windib/SDL_dibevents.c (limited to '3rdparty/SDL/src/video/windib/SDL_dibevents.c') diff --git a/3rdparty/SDL/src/video/windib/SDL_dibevents.c b/3rdparty/SDL/src/video/windib/SDL_dibevents.c new file mode 100644 index 0000000..6cee54a --- /dev/null +++ b/3rdparty/SDL/src/video/windib/SDL_dibevents.c @@ -0,0 +1,704 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +#define WIN32_LEAN_AND_MEAN +#include + +#include "SDL_main.h" +#include "SDL_events.h" +#include "SDL_syswm.h" +#include "../../events/SDL_sysevents.h" +#include "../../events/SDL_events_c.h" +#include "../wincommon/SDL_lowvideo.h" +#include "SDL_gapidibvideo.h" +#include "SDL_vkeys.h" + +#ifdef SDL_VIDEO_DRIVER_GAPI +#include "../gapi/SDL_gapivideo.h" +#endif + +#ifdef SDL_VIDEO_DRIVER_WINDIB +#include "SDL_dibvideo.h" +#endif + +#ifndef WM_APP +#define WM_APP 0x8000 +#endif + +#ifdef _WIN32_WCE +#define NO_GETKEYBOARDSTATE +#endif + +/* The translation table from a Microsoft VK keysym to a SDL keysym */ +static SDLKey VK_keymap[SDLK_LAST]; +static SDL_keysym *TranslateKey(WPARAM vkey, UINT scancode, SDL_keysym *keysym, int pressed); +static SDLKey Arrows_keymap[4]; + +/* Masks for processing the windows KEYDOWN and KEYUP messages */ +#define REPEATED_KEYMASK (1<<30) +#define EXTENDED_KEYMASK (1<<24) + +/* DJM: If the user setup the window for us, we want to save his window proc, + and give him a chance to handle some messages. */ +#ifdef STRICT +#define WNDPROCTYPE WNDPROC +#else +#define WNDPROCTYPE FARPROC +#endif +static WNDPROCTYPE userWindowProc = NULL; + + +#ifdef SDL_VIDEO_DRIVER_GAPI + +WPARAM rotateKey(WPARAM key,int direction) +{ + if(direction ==0 ) return key; + + switch (key) { + case 0x26: /* up */ + return Arrows_keymap[(2 + direction) % 4]; + case 0x27: /* right */ + return Arrows_keymap[(1 + direction) % 4]; + case 0x28: /* down */ + return Arrows_keymap[direction % 4]; + case 0x25: /* left */ + return Arrows_keymap[(3 + direction) % 4]; + } + + return key; +} + +static void GapiTransform(GapiInfo *gapiInfo, LONG *x, LONG *y) +{ + if(gapiInfo->hiresFix) + { + *x *= 2; + *y *= 2; + } + + // 0 3 0 + if((!gapiInfo->userOrientation && gapiInfo->systemOrientation && !gapiInfo->gapiOrientation) || + // 3 0 3 + (gapiInfo->userOrientation && !gapiInfo->systemOrientation && gapiInfo->gapiOrientation) || + // 3 0 0 + (gapiInfo->userOrientation && !gapiInfo->systemOrientation && !gapiInfo->gapiOrientation)) + { + Sint16 temp = *x; + *x = SDL_VideoSurface->w - *y; + *y = temp; + } + else + // 0 0 0 + if((!gapiInfo->userOrientation && !gapiInfo->systemOrientation && !gapiInfo->gapiOrientation) || + // 0 0 3 + (!gapiInfo->userOrientation && !gapiInfo->systemOrientation && gapiInfo->gapiOrientation)) + { + // without changes + // *x = *x; + // *y = *y; + } + // default + else + { + // without changes + // *x = *x; + // *y = *y; + } +} +#endif + + +/* The main Win32 event handler */ +LRESULT DIB_HandleMessage(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + extern int posted; + + switch (msg) { + case WM_SYSKEYDOWN: + case WM_KEYDOWN: { + SDL_keysym keysym; + +#ifdef SDL_VIDEO_DRIVER_GAPI + if(this->hidden->gapiInfo) + { + // Drop GAPI artefacts + if (wParam == 0x84 || wParam == 0x5B) + return 0; + + wParam = rotateKey(wParam, this->hidden->gapiInfo->coordinateTransform); + } +#endif + /* Ignore repeated keys */ + if ( lParam&REPEATED_KEYMASK ) { + return(0); + } + switch (wParam) { + case VK_CONTROL: + if ( lParam&EXTENDED_KEYMASK ) + wParam = VK_RCONTROL; + else + wParam = VK_LCONTROL; + break; + case VK_SHIFT: + /* EXTENDED trick doesn't work here */ + { + Uint8 *state = SDL_GetKeyState(NULL); + if (state[SDLK_LSHIFT] == SDL_RELEASED && (GetKeyState(VK_LSHIFT) & 0x8000)) { + wParam = VK_LSHIFT; + } else if (state[SDLK_RSHIFT] == SDL_RELEASED && (GetKeyState(VK_RSHIFT) & 0x8000)) { + wParam = VK_RSHIFT; + } else { + /* Win9x */ + int sc = HIWORD(lParam) & 0xFF; + + if (sc == 0x2A) + wParam = VK_LSHIFT; + else + if (sc == 0x36) + wParam = VK_RSHIFT; + else + wParam = VK_LSHIFT; + } + } + break; + case VK_MENU: + if ( lParam&EXTENDED_KEYMASK ) + wParam = VK_RMENU; + else + wParam = VK_LMENU; + break; + } +#ifdef NO_GETKEYBOARDSTATE + /* this is the workaround for the missing ToAscii() and ToUnicode() in CE (not necessary at KEYUP!) */ + if ( SDL_TranslateUNICODE ) { + MSG m; + + m.hwnd = hwnd; + m.message = msg; + m.wParam = wParam; + m.lParam = lParam; + m.time = 0; + if ( TranslateMessage(&m) && PeekMessage(&m, hwnd, 0, WM_USER, PM_NOREMOVE) && (m.message == WM_CHAR) ) { + GetMessage(&m, hwnd, 0, WM_USER); + wParam = m.wParam; + } + } +#endif /* NO_GETKEYBOARDSTATE */ + posted = SDL_PrivateKeyboard(SDL_PRESSED, + TranslateKey(wParam,HIWORD(lParam),&keysym,1)); + } + return(0); + + case WM_SYSKEYUP: + case WM_KEYUP: { + SDL_keysym keysym; + +#ifdef SDL_VIDEO_DRIVER_GAPI + if(this->hidden->gapiInfo) + { + // Drop GAPI artifacts + if (wParam == 0x84 || wParam == 0x5B) + return 0; + + wParam = rotateKey(wParam, this->hidden->gapiInfo->coordinateTransform); + } +#endif + + switch (wParam) { + case VK_CONTROL: + if ( lParam&EXTENDED_KEYMASK ) + wParam = VK_RCONTROL; + else + wParam = VK_LCONTROL; + break; + case VK_SHIFT: + /* EXTENDED trick doesn't work here */ + { + Uint8 *state = SDL_GetKeyState(NULL); + if (state[SDLK_LSHIFT] == SDL_PRESSED && !(GetKeyState(VK_LSHIFT) & 0x8000)) { + wParam = VK_LSHIFT; + } else if (state[SDLK_RSHIFT] == SDL_PRESSED && !(GetKeyState(VK_RSHIFT) & 0x8000)) { + wParam = VK_RSHIFT; + } else { + /* Win9x */ + int sc = HIWORD(lParam) & 0xFF; + + if (sc == 0x2A) + wParam = VK_LSHIFT; + else + if (sc == 0x36) + wParam = VK_RSHIFT; + else + wParam = VK_LSHIFT; + } + } + break; + case VK_MENU: + if ( lParam&EXTENDED_KEYMASK ) + wParam = VK_RMENU; + else + wParam = VK_LMENU; + break; + } + /* Windows only reports keyup for print screen */ + if ( wParam == VK_SNAPSHOT && SDL_GetKeyState(NULL)[SDLK_PRINT] == SDL_RELEASED ) { + posted = SDL_PrivateKeyboard(SDL_PRESSED, + TranslateKey(wParam,HIWORD(lParam),&keysym,1)); + } + posted = SDL_PrivateKeyboard(SDL_RELEASED, + TranslateKey(wParam,HIWORD(lParam),&keysym,0)); + } + return(0); +#if defined(SC_SCREENSAVE) && defined(SC_MONITORPOWER) + case WM_SYSCOMMAND: { + const DWORD val = (DWORD) (wParam & 0xFFF0); + if ((val == SC_SCREENSAVE) || (val == SC_MONITORPOWER)) { + if (this->hidden->dibInfo && !allow_screensaver) { + /* Note that this doesn't stop anything on Vista + if the screensaver has a password. */ + return(0); + } + } + } + /* Fall through to default processing */ +#endif /* SC_SCREENSAVE && SC_MONITORPOWER */ + + default: { + /* Only post the event if we're watching for it */ + if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) { + SDL_SysWMmsg wmmsg; + + SDL_VERSION(&wmmsg.version); + wmmsg.hwnd = hwnd; + wmmsg.msg = msg; + wmmsg.wParam = wParam; + wmmsg.lParam = lParam; + posted = SDL_PrivateSysWMEvent(&wmmsg); + + /* DJM: If the user isn't watching for private + messages in her SDL event loop, then pass it + along to any win32 specific window proc. + */ + } else if (userWindowProc) { + return CallWindowProc(userWindowProc, hwnd, msg, wParam, lParam); + } + } + break; + } + return(DefWindowProc(hwnd, msg, wParam, lParam)); +} + +#ifdef _WIN32_WCE +static BOOL GetLastStylusPos(POINT* ptLast) +{ + BOOL bResult = FALSE; + UINT nRet; + GetMouseMovePoints(ptLast, 1, &nRet); + if ( nRet == 1 ) { + ptLast->x /= 4; + ptLast->y /= 4; + bResult = TRUE; + } + return bResult; +} +#endif + +static void DIB_GenerateMouseMotionEvent(_THIS) +{ + extern int mouse_relative; + extern int posted; + + POINT mouse; +#ifdef _WIN32_WCE + if ( !GetCursorPos(&mouse) && !GetLastStylusPos(&mouse) ) return; +#else + if ( !GetCursorPos(&mouse) ) return; +#endif + + if ( mouse_relative ) { + POINT center; + center.x = (SDL_VideoSurface->w/2); + center.y = (SDL_VideoSurface->h/2); + ClientToScreen(SDL_Window, ¢er); + + mouse.x -= center.x; + mouse.y -= center.y; + if ( mouse.x || mouse.y ) { + SetCursorPos(center.x, center.y); + posted = SDL_PrivateMouseMotion(0, 1, (Sint16)mouse.x, (Sint16)mouse.y); + } + } else { + ScreenToClient(SDL_Window, &mouse); +#ifdef SDL_VIDEO_DRIVER_GAPI + if (SDL_VideoSurface && this->hidden->gapiInfo) + GapiTransform(this->hidden->gapiInfo, &mouse.x, &mouse.y); +#endif + posted = SDL_PrivateMouseMotion(0, 0, (Sint16)mouse.x, (Sint16)mouse.y); + } +} + +void DIB_PumpEvents(_THIS) +{ + MSG msg; + + while ( PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) ) { + if ( GetMessage(&msg, NULL, 0, 0) > 0 ) { + DispatchMessage(&msg); + } + } + + if ( SDL_GetAppState() & SDL_APPMOUSEFOCUS ) { + DIB_GenerateMouseMotionEvent( this ); + } +} + +static HKL hLayoutUS = NULL; + +void DIB_InitOSKeymap(_THIS) +{ + int i; +#ifndef _WIN32_WCE + char current_layout[KL_NAMELENGTH]; + + GetKeyboardLayoutName(current_layout); + //printf("Initial Keyboard Layout Name: '%s'\n", current_layout); + + hLayoutUS = LoadKeyboardLayout("00000409", KLF_NOTELLSHELL); + + if (!hLayoutUS) { + //printf("Failed to load US keyboard layout. Using current.\n"); + hLayoutUS = GetKeyboardLayout(0); + } + LoadKeyboardLayout(current_layout, KLF_ACTIVATE); +#else +#if _WIN32_WCE >=420 + TCHAR current_layout[KL_NAMELENGTH]; + + GetKeyboardLayoutName(current_layout); + //printf("Initial Keyboard Layout Name: '%s'\n", current_layout); + + hLayoutUS = LoadKeyboardLayout(L"00000409", 0); + + if (!hLayoutUS) { + //printf("Failed to load US keyboard layout. Using current.\n"); + hLayoutUS = GetKeyboardLayout(0); + } + LoadKeyboardLayout(current_layout, 0); +#endif // _WIN32_WCE >=420 +#endif + /* Map the VK keysyms */ + for ( i=0; iscancode = (unsigned char) scancode; + keysym->mod = KMOD_NONE; + keysym->unicode = 0; + + if ((vkey == VK_RETURN) && (scancode & 0x100)) { + /* No VK_ code for the keypad enter key */ + keysym->sym = SDLK_KP_ENTER; + } + else { + keysym->sym = VK_keymap[SDL_MapVirtualKey(scancode, vkey)]; + } + + if ( pressed && SDL_TranslateUNICODE ) { +#ifdef NO_GETKEYBOARDSTATE + /* Uh oh, better hope the vkey is close enough.. */ + if((keysym->sym == vkey) || (vkey > 0x7f)) + keysym->unicode = vkey; +#else + BYTE keystate[256]; + Uint16 wchars[2]; + + GetKeyboardState(keystate); + /* Numlock isn't taken into account in ToUnicode, + * so we handle it as a special case here */ + if ((keystate[VK_NUMLOCK] & 1) && vkey >= VK_NUMPAD0 && vkey <= VK_NUMPAD9) + { + keysym->unicode = vkey - VK_NUMPAD0 + '0'; + } + else if (SDL_ToUnicode((UINT)vkey, scancode, keystate, wchars, sizeof(wchars)/sizeof(wchars[0]), 0) > 0) + { + keysym->unicode = wchars[0]; + } +#endif /* NO_GETKEYBOARDSTATE */ + } + +#if 0 + { + HKL hLayoutCurrent = GetKeyboardLayout(0); + int sc = scancode & 0xFF; + + printf("SYM:%d, VK:0x%02X, SC:0x%04X, US:(1:0x%02X, 3:0x%02X), " + "Current:(1:0x%02X, 3:0x%02X)\n", + keysym->sym, vkey, scancode, + MapVirtualKeyEx(sc, 1, hLayoutUS), + MapVirtualKeyEx(sc, 3, hLayoutUS), + MapVirtualKeyEx(sc, 1, hLayoutCurrent), + MapVirtualKeyEx(sc, 3, hLayoutCurrent) + ); + } +#endif + return(keysym); +} + +int DIB_CreateWindow(_THIS) +{ + char *windowid; + + SDL_RegisterApp(NULL, 0, 0); + + windowid = SDL_getenv("SDL_WINDOWID"); + SDL_windowid = (windowid != NULL); + if ( SDL_windowid ) { +#if defined(_WIN32_WCE) && (_WIN32_WCE < 300) + /* wince 2.1 does not have strtol */ + wchar_t *windowid_t = SDL_malloc((SDL_strlen(windowid) + 1) * sizeof(wchar_t)); + MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, windowid, -1, windowid_t, SDL_strlen(windowid) + 1); + SDL_Window = (HWND)wcstol(windowid_t, NULL, 0); + SDL_free(windowid_t); +#else + SDL_Window = (HWND)((size_t)SDL_strtoull(windowid, NULL, 0)); +#endif + if ( SDL_Window == NULL ) { + SDL_SetError("Couldn't get user specified window"); + return(-1); + } + + /* DJM: we want all event's for the user specified + window to be handled by SDL. + */ + userWindowProc = (WNDPROCTYPE)GetWindowLongPtr(SDL_Window, GWLP_WNDPROC); + SetWindowLongPtr(SDL_Window, GWLP_WNDPROC, (LONG_PTR)WinMessage); + } else { + SDL_Window = CreateWindow(SDL_Appname, SDL_Appname, + (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX), + CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, NULL, NULL, SDL_Instance, NULL); + if ( SDL_Window == NULL ) { + SDL_SetError("Couldn't create window"); + return(-1); + } + ShowWindow(SDL_Window, SW_HIDE); + } + + /* JC 14 Mar 2006 + Flush the message loop or this can cause big problems later + Especially if the user decides to use dialog boxes or assert()! + */ + WIN_FlushMessageQueue(); + + return(0); +} + +void DIB_DestroyWindow(_THIS) +{ + if ( SDL_windowid ) { + SetWindowLongPtr(SDL_Window, GWLP_WNDPROC, (LONG_PTR)userWindowProc); + } else { + DestroyWindow(SDL_Window); + } + SDL_UnregisterApp(); + + /* JC 14 Mar 2006 + Flush the message loop or this can cause big problems later + Especially if the user decides to use dialog boxes or assert()! + */ + WIN_FlushMessageQueue(); +} -- cgit v1.1-26-g67d0