diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/windib/SDL_dibevents.c')
-rw-r--r-- | distrib/sdl-1.2.12/src/video/windib/SDL_dibevents.c | 591 |
1 files changed, 591 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.12/src/video/windib/SDL_dibevents.c b/distrib/sdl-1.2.12/src/video/windib/SDL_dibevents.c new file mode 100644 index 0000000..254ba80 --- /dev/null +++ b/distrib/sdl-1.2.12/src/video/windib/SDL_dibevents.c @@ -0,0 +1,591 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2006 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 <windows.h> + +#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_dibvideo.h" +#include "SDL_vkeys.h" + +#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); + +/* 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 _WIN32_WCE + +WPARAM rotateKey(WPARAM key,SDL_ScreenOrientation direction) +{ + if (direction != SDL_ORIENTATION_LEFT) + return key; + + switch (key) { + case 0x26: /* up */ + return 0x27; + case 0x27: /* right */ + return 0x28; + case 0x28: /* down */ + return 0x25; + case 0x25: /* left */ + return 0x26; + } + + return key; +} + +#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 _WIN32_WCE + // Drop GAPI artefacts + if (wParam == 0x84 || wParam == 0x5B) + return 0; + + // Rotate key if necessary + if (this->hidden->orientation != SDL_ORIENTATION_UP) + wParam = rotateKey(wParam, this->hidden->orientation); +#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 _WIN32_WCE + // Drop GAPI artifacts + if (wParam == 0x84 || wParam == 0x5B) + return 0; + + // Rotate key if necessary + if (this->hidden->orientation != SDL_ORIENTATION_UP) + wParam = rotateKey(wParam, this->hidden->orientation); +#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->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)); +} + +void DIB_PumpEvents(_THIS) +{ + MSG msg; + + while ( PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) ) { + if ( GetMessage(&msg, NULL, 0, 0) > 0 ) { + DispatchMessage(&msg); + } + } +} + +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; i<SDL_arraysize(VK_keymap); ++i ) + VK_keymap[i] = SDLK_UNKNOWN; + + VK_keymap[VK_BACK] = SDLK_BACKSPACE; + VK_keymap[VK_TAB] = SDLK_TAB; + VK_keymap[VK_CLEAR] = SDLK_CLEAR; + VK_keymap[VK_RETURN] = SDLK_RETURN; + VK_keymap[VK_PAUSE] = SDLK_PAUSE; + VK_keymap[VK_ESCAPE] = SDLK_ESCAPE; + VK_keymap[VK_SPACE] = SDLK_SPACE; + VK_keymap[VK_APOSTROPHE] = SDLK_QUOTE; + VK_keymap[VK_COMMA] = SDLK_COMMA; + VK_keymap[VK_MINUS] = SDLK_MINUS; + VK_keymap[VK_PERIOD] = SDLK_PERIOD; + VK_keymap[VK_SLASH] = SDLK_SLASH; + VK_keymap[VK_0] = SDLK_0; + VK_keymap[VK_1] = SDLK_1; + VK_keymap[VK_2] = SDLK_2; + VK_keymap[VK_3] = SDLK_3; + VK_keymap[VK_4] = SDLK_4; + VK_keymap[VK_5] = SDLK_5; + VK_keymap[VK_6] = SDLK_6; + VK_keymap[VK_7] = SDLK_7; + VK_keymap[VK_8] = SDLK_8; + VK_keymap[VK_9] = SDLK_9; + VK_keymap[VK_SEMICOLON] = SDLK_SEMICOLON; + VK_keymap[VK_EQUALS] = SDLK_EQUALS; + VK_keymap[VK_LBRACKET] = SDLK_LEFTBRACKET; + VK_keymap[VK_BACKSLASH] = SDLK_BACKSLASH; + VK_keymap[VK_OEM_102] = SDLK_LESS; + VK_keymap[VK_RBRACKET] = SDLK_RIGHTBRACKET; + VK_keymap[VK_GRAVE] = SDLK_BACKQUOTE; + VK_keymap[VK_BACKTICK] = SDLK_BACKQUOTE; + VK_keymap[VK_A] = SDLK_a; + VK_keymap[VK_B] = SDLK_b; + VK_keymap[VK_C] = SDLK_c; + VK_keymap[VK_D] = SDLK_d; + VK_keymap[VK_E] = SDLK_e; + VK_keymap[VK_F] = SDLK_f; + VK_keymap[VK_G] = SDLK_g; + VK_keymap[VK_H] = SDLK_h; + VK_keymap[VK_I] = SDLK_i; + VK_keymap[VK_J] = SDLK_j; + VK_keymap[VK_K] = SDLK_k; + VK_keymap[VK_L] = SDLK_l; + VK_keymap[VK_M] = SDLK_m; + VK_keymap[VK_N] = SDLK_n; + VK_keymap[VK_O] = SDLK_o; + VK_keymap[VK_P] = SDLK_p; + VK_keymap[VK_Q] = SDLK_q; + VK_keymap[VK_R] = SDLK_r; + VK_keymap[VK_S] = SDLK_s; + VK_keymap[VK_T] = SDLK_t; + VK_keymap[VK_U] = SDLK_u; + VK_keymap[VK_V] = SDLK_v; + VK_keymap[VK_W] = SDLK_w; + VK_keymap[VK_X] = SDLK_x; + VK_keymap[VK_Y] = SDLK_y; + VK_keymap[VK_Z] = SDLK_z; + VK_keymap[VK_DELETE] = SDLK_DELETE; + + VK_keymap[VK_NUMPAD0] = SDLK_KP0; + VK_keymap[VK_NUMPAD1] = SDLK_KP1; + VK_keymap[VK_NUMPAD2] = SDLK_KP2; + VK_keymap[VK_NUMPAD3] = SDLK_KP3; + VK_keymap[VK_NUMPAD4] = SDLK_KP4; + VK_keymap[VK_NUMPAD5] = SDLK_KP5; + VK_keymap[VK_NUMPAD6] = SDLK_KP6; + VK_keymap[VK_NUMPAD7] = SDLK_KP7; + VK_keymap[VK_NUMPAD8] = SDLK_KP8; + VK_keymap[VK_NUMPAD9] = SDLK_KP9; + VK_keymap[VK_DECIMAL] = SDLK_KP_PERIOD; + VK_keymap[VK_DIVIDE] = SDLK_KP_DIVIDE; + VK_keymap[VK_MULTIPLY] = SDLK_KP_MULTIPLY; + VK_keymap[VK_SUBTRACT] = SDLK_KP_MINUS; + VK_keymap[VK_ADD] = SDLK_KP_PLUS; + + VK_keymap[VK_UP] = SDLK_UP; + VK_keymap[VK_DOWN] = SDLK_DOWN; + VK_keymap[VK_RIGHT] = SDLK_RIGHT; + VK_keymap[VK_LEFT] = SDLK_LEFT; + VK_keymap[VK_INSERT] = SDLK_INSERT; + VK_keymap[VK_HOME] = SDLK_HOME; + VK_keymap[VK_END] = SDLK_END; + VK_keymap[VK_PRIOR] = SDLK_PAGEUP; + VK_keymap[VK_NEXT] = SDLK_PAGEDOWN; + + VK_keymap[VK_F1] = SDLK_F1; + VK_keymap[VK_F2] = SDLK_F2; + VK_keymap[VK_F3] = SDLK_F3; + VK_keymap[VK_F4] = SDLK_F4; + VK_keymap[VK_F5] = SDLK_F5; + VK_keymap[VK_F6] = SDLK_F6; + VK_keymap[VK_F7] = SDLK_F7; + VK_keymap[VK_F8] = SDLK_F8; + VK_keymap[VK_F9] = SDLK_F9; + VK_keymap[VK_F10] = SDLK_F10; + VK_keymap[VK_F11] = SDLK_F11; + VK_keymap[VK_F12] = SDLK_F12; + VK_keymap[VK_F13] = SDLK_F13; + VK_keymap[VK_F14] = SDLK_F14; + VK_keymap[VK_F15] = SDLK_F15; + + VK_keymap[VK_NUMLOCK] = SDLK_NUMLOCK; + VK_keymap[VK_CAPITAL] = SDLK_CAPSLOCK; + VK_keymap[VK_SCROLL] = SDLK_SCROLLOCK; + VK_keymap[VK_RSHIFT] = SDLK_RSHIFT; + VK_keymap[VK_LSHIFT] = SDLK_LSHIFT; + VK_keymap[VK_RCONTROL] = SDLK_RCTRL; + VK_keymap[VK_LCONTROL] = SDLK_LCTRL; + VK_keymap[VK_RMENU] = SDLK_RALT; + VK_keymap[VK_LMENU] = SDLK_LALT; + VK_keymap[VK_RWIN] = SDLK_RSUPER; + VK_keymap[VK_LWIN] = SDLK_LSUPER; + + VK_keymap[VK_HELP] = SDLK_HELP; +#ifdef VK_PRINT + VK_keymap[VK_PRINT] = SDLK_PRINT; +#endif + VK_keymap[VK_SNAPSHOT] = SDLK_PRINT; + VK_keymap[VK_CANCEL] = SDLK_BREAK; + VK_keymap[VK_APPS] = SDLK_MENU; +} + +#define EXTKEYPAD(keypad) ((scancode & 0x100)?(mvke):(keypad)) + +static int SDL_MapVirtualKey(int scancode, int vkey) +{ +#ifndef _WIN32_WCE + int mvke = MapVirtualKeyEx(scancode & 0xFF, 1, hLayoutUS); +#else + int mvke = MapVirtualKey(scancode & 0xFF, 1); +#endif + + switch(vkey) { + /* These are always correct */ + case VK_DIVIDE: + case VK_MULTIPLY: + case VK_SUBTRACT: + case VK_ADD: + case VK_LWIN: + case VK_RWIN: + case VK_APPS: + /* These are already handled */ + case VK_LCONTROL: + case VK_RCONTROL: + case VK_LSHIFT: + case VK_RSHIFT: + case VK_LMENU: + case VK_RMENU: + case VK_SNAPSHOT: + case VK_PAUSE: + return vkey; + } + switch(mvke) { + /* Distinguish between keypad and extended keys */ + case VK_INSERT: return EXTKEYPAD(VK_NUMPAD0); + case VK_DELETE: return EXTKEYPAD(VK_DECIMAL); + case VK_END: return EXTKEYPAD(VK_NUMPAD1); + case VK_DOWN: return EXTKEYPAD(VK_NUMPAD2); + case VK_NEXT: return EXTKEYPAD(VK_NUMPAD3); + case VK_LEFT: return EXTKEYPAD(VK_NUMPAD4); + case VK_CLEAR: return EXTKEYPAD(VK_NUMPAD5); + case VK_RIGHT: return EXTKEYPAD(VK_NUMPAD6); + case VK_HOME: return EXTKEYPAD(VK_NUMPAD7); + case VK_UP: return EXTKEYPAD(VK_NUMPAD8); + case VK_PRIOR: return EXTKEYPAD(VK_NUMPAD9); + } + return mvke?mvke:vkey; +} + +static SDL_keysym *TranslateKey(WPARAM vkey, UINT scancode, SDL_keysym *keysym, int pressed) +{ + /* Set the keysym information */ + keysym->scancode = (unsigned char) scancode; + keysym->mod = KMOD_NONE; + keysym->unicode = 0; + if ( pressed && SDL_TranslateUNICODE ) { +#ifdef NO_GETKEYBOARDSTATE + /* Uh oh, better hope the vkey is close enough.. */ + keysym->unicode = vkey; +#else + BYTE keystate[256]; + Uint16 wchars[2]; + + GetKeyboardState(keystate); + if (SDL_ToUnicode((UINT)vkey, scancode, keystate, wchars, sizeof(wchars)/sizeof(wchars[0]), 0) == 1) + { + keysym->unicode = wchars[0]; + } +#endif /* NO_GETKEYBOARDSTATE */ + } + + 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 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_getenv("SDL_WINDOWID"); + + SDL_RegisterApp(NULL, 0, 0); + + 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)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(); +} |