2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2009 Sam Lantinga
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "SDL_config.h"
24 #define WIN32_LEAN_AND_MEAN
28 #include "SDL_events.h"
29 #include "SDL_syswm.h"
30 #include "../../events/SDL_sysevents.h"
31 #include "../../events/SDL_events_c.h"
32 #include "../wincommon/SDL_lowvideo.h"
33 #include "SDL_gapidibvideo.h"
34 #include "SDL_vkeys.h"
36 #ifdef SDL_VIDEO_DRIVER_GAPI
37 #include "../gapi/SDL_gapivideo.h"
40 #ifdef SDL_VIDEO_DRIVER_WINDIB
41 #include "SDL_dibvideo.h"
49 #define NO_GETKEYBOARDSTATE
52 /* The translation table from a Microsoft VK keysym to a SDL keysym */
53 static SDLKey VK_keymap[SDLK_LAST];
54 static SDL_keysym *TranslateKey(WPARAM vkey, UINT scancode, SDL_keysym *keysym, int pressed);
55 static SDLKey Arrows_keymap[4];
57 /* Masks for processing the windows KEYDOWN and KEYUP messages */
58 #define REPEATED_KEYMASK (1<<30)
59 #define EXTENDED_KEYMASK (1<<24)
61 /* DJM: If the user setup the window for us, we want to save his window proc,
62 and give him a chance to handle some messages. */
64 #define WNDPROCTYPE WNDPROC
66 #define WNDPROCTYPE FARPROC
68 static WNDPROCTYPE userWindowProc = NULL;
71 #ifdef SDL_VIDEO_DRIVER_GAPI
73 WPARAM rotateKey(WPARAM key,int direction)
75 if(direction ==0 ) return key;
79 return Arrows_keymap[(2 + direction) % 4];
80 case 0x27: /* right */
81 return Arrows_keymap[(1 + direction) % 4];
83 return Arrows_keymap[direction % 4];
85 return Arrows_keymap[(3 + direction) % 4];
91 static void GapiTransform(GapiInfo *gapiInfo, LONG *x, LONG *y)
93 if(gapiInfo->hiresFix)
100 if((!gapiInfo->userOrientation && gapiInfo->systemOrientation && !gapiInfo->gapiOrientation) ||
102 (gapiInfo->userOrientation && !gapiInfo->systemOrientation && gapiInfo->gapiOrientation) ||
104 (gapiInfo->userOrientation && !gapiInfo->systemOrientation && !gapiInfo->gapiOrientation))
107 *x = SDL_VideoSurface->w - *y;
112 if((!gapiInfo->userOrientation && !gapiInfo->systemOrientation && !gapiInfo->gapiOrientation) ||
114 (!gapiInfo->userOrientation && !gapiInfo->systemOrientation && gapiInfo->gapiOrientation))
131 /* The main Win32 event handler */
132 LRESULT DIB_HandleMessage(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
141 #ifdef SDL_VIDEO_DRIVER_GAPI
142 if(this->hidden->gapiInfo)
144 // Drop GAPI artefacts
145 if (wParam == 0x84 || wParam == 0x5B)
148 wParam = rotateKey(wParam, this->hidden->gapiInfo->coordinateTransform);
151 /* Ignore repeated keys */
152 if ( lParam&REPEATED_KEYMASK ) {
157 if ( lParam&EXTENDED_KEYMASK )
158 wParam = VK_RCONTROL;
160 wParam = VK_LCONTROL;
163 /* EXTENDED trick doesn't work here */
165 Uint8 *state = SDL_GetKeyState(NULL);
166 if (state[SDLK_LSHIFT] == SDL_RELEASED && (GetKeyState(VK_LSHIFT) & 0x8000)) {
168 } else if (state[SDLK_RSHIFT] == SDL_RELEASED && (GetKeyState(VK_RSHIFT) & 0x8000)) {
172 int sc = HIWORD(lParam) & 0xFF;
185 if ( lParam&EXTENDED_KEYMASK )
191 #ifdef NO_GETKEYBOARDSTATE
192 /* this is the workaround for the missing ToAscii() and ToUnicode() in CE (not necessary at KEYUP!) */
193 if ( SDL_TranslateUNICODE ) {
201 if ( PeekMessage(&m, hwnd, 0, WM_USER, PM_NOREMOVE) && (m.message == WM_CHAR) ) {
202 GetMessage(&m, hwnd, 0, WM_USER);
206 #endif /* NO_GETKEYBOARDSTATE */
207 posted = SDL_PrivateKeyboard(SDL_PRESSED,
208 TranslateKey(wParam,HIWORD(lParam),&keysym,1));
216 #ifdef SDL_VIDEO_DRIVER_GAPI
217 if(this->hidden->gapiInfo)
219 // Drop GAPI artifacts
220 if (wParam == 0x84 || wParam == 0x5B)
223 wParam = rotateKey(wParam, this->hidden->gapiInfo->coordinateTransform);
229 if ( lParam&EXTENDED_KEYMASK )
230 wParam = VK_RCONTROL;
232 wParam = VK_LCONTROL;
235 /* EXTENDED trick doesn't work here */
237 Uint8 *state = SDL_GetKeyState(NULL);
238 if (state[SDLK_LSHIFT] == SDL_PRESSED && !(GetKeyState(VK_LSHIFT) & 0x8000)) {
240 } else if (state[SDLK_RSHIFT] == SDL_PRESSED && !(GetKeyState(VK_RSHIFT) & 0x8000)) {
244 int sc = HIWORD(lParam) & 0xFF;
257 if ( lParam&EXTENDED_KEYMASK )
263 /* Windows only reports keyup for print screen */
264 if ( wParam == VK_SNAPSHOT && SDL_GetKeyState(NULL)[SDLK_PRINT] == SDL_RELEASED ) {
265 posted = SDL_PrivateKeyboard(SDL_PRESSED,
266 TranslateKey(wParam,HIWORD(lParam),&keysym,1));
268 posted = SDL_PrivateKeyboard(SDL_RELEASED,
269 TranslateKey(wParam,HIWORD(lParam),&keysym,0));
272 #if defined(SC_SCREENSAVE) && defined(SC_MONITORPOWER)
273 case WM_SYSCOMMAND: {
274 const DWORD val = (DWORD) (wParam & 0xFFF0);
275 if ((val == SC_SCREENSAVE) || (val == SC_MONITORPOWER)) {
276 if (this->hidden->dibInfo && !allow_screensaver) {
277 /* Note that this doesn't stop anything on Vista
278 if the screensaver has a password. */
283 /* Fall through to default processing */
284 #endif /* SC_SCREENSAVE && SC_MONITORPOWER */
287 /* Only post the event if we're watching for it */
288 if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) {
291 SDL_VERSION(&wmmsg.version);
294 wmmsg.wParam = wParam;
295 wmmsg.lParam = lParam;
296 posted = SDL_PrivateSysWMEvent(&wmmsg);
298 /* DJM: If the user isn't watching for private
299 messages in her SDL event loop, then pass it
300 along to any win32 specific window proc.
302 } else if (userWindowProc) {
303 return CallWindowProc(userWindowProc, hwnd, msg, wParam, lParam);
308 return(DefWindowProc(hwnd, msg, wParam, lParam));
312 static BOOL GetLastStylusPos(POINT* ptLast)
314 BOOL bResult = FALSE;
316 GetMouseMovePoints(ptLast, 1, &nRet);
326 static void DIB_GenerateMouseMotionEvent(_THIS)
328 extern int mouse_relative;
333 if ( !GetCursorPos(&mouse) && !GetLastStylusPos(&mouse) ) return;
335 if ( !GetCursorPos(&mouse) ) return;
338 if ( mouse_relative ) {
340 center.x = (SDL_VideoSurface->w/2);
341 center.y = (SDL_VideoSurface->h/2);
342 ClientToScreen(SDL_Window, ¢er);
346 if ( mouse.x || mouse.y ) {
347 SetCursorPos(center.x, center.y);
348 posted = SDL_PrivateMouseMotion(0, 1, (Sint16)mouse.x, (Sint16)mouse.y);
351 ScreenToClient(SDL_Window, &mouse);
352 #ifdef SDL_VIDEO_DRIVER_GAPI
353 if (SDL_VideoSurface && this->hidden->gapiInfo)
354 GapiTransform(this->hidden->gapiInfo, &mouse.x, &mouse.y);
356 posted = SDL_PrivateMouseMotion(0, 0, (Sint16)mouse.x, (Sint16)mouse.y);
360 void DIB_PumpEvents(_THIS)
364 while ( PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) ) {
365 if ( GetMessage(&msg, NULL, 0, 0) > 0 ) {
366 TranslateMessage(&msg);
367 DispatchMessage(&msg);
371 if ( SDL_GetAppState() & SDL_APPMOUSEFOCUS ) {
372 DIB_GenerateMouseMotionEvent( this );
376 static HKL hLayoutUS = NULL;
378 void DIB_InitOSKeymap(_THIS)
382 char current_layout[KL_NAMELENGTH];
384 GetKeyboardLayoutName(current_layout);
385 //printf("Initial Keyboard Layout Name: '%s'\n", current_layout);
387 hLayoutUS = LoadKeyboardLayout("00000409", KLF_NOTELLSHELL);
390 //printf("Failed to load US keyboard layout. Using current.\n");
391 hLayoutUS = GetKeyboardLayout(0);
393 LoadKeyboardLayout(current_layout, KLF_ACTIVATE);
396 TCHAR current_layout[KL_NAMELENGTH];
398 GetKeyboardLayoutName(current_layout);
399 //printf("Initial Keyboard Layout Name: '%s'\n", current_layout);
401 hLayoutUS = LoadKeyboardLayout(L"00000409", 0);
404 //printf("Failed to load US keyboard layout. Using current.\n");
405 hLayoutUS = GetKeyboardLayout(0);
407 LoadKeyboardLayout(current_layout, 0);
408 #endif // _WIN32_WCE >=420
410 /* Map the VK keysyms */
411 for ( i=0; i<SDL_arraysize(VK_keymap); ++i )
412 VK_keymap[i] = SDLK_UNKNOWN;
414 VK_keymap[VK_BACK] = SDLK_BACKSPACE;
415 VK_keymap[VK_TAB] = SDLK_TAB;
416 VK_keymap[VK_CLEAR] = SDLK_CLEAR;
417 VK_keymap[VK_RETURN] = SDLK_RETURN;
418 VK_keymap[VK_PAUSE] = SDLK_PAUSE;
419 VK_keymap[VK_ESCAPE] = SDLK_ESCAPE;
420 VK_keymap[VK_SPACE] = SDLK_SPACE;
421 VK_keymap[VK_APOSTROPHE] = SDLK_QUOTE;
422 VK_keymap[VK_COMMA] = SDLK_COMMA;
423 VK_keymap[VK_MINUS] = SDLK_MINUS;
424 VK_keymap[VK_PERIOD] = SDLK_PERIOD;
425 VK_keymap[VK_SLASH] = SDLK_SLASH;
426 VK_keymap[VK_0] = SDLK_0;
427 VK_keymap[VK_1] = SDLK_1;
428 VK_keymap[VK_2] = SDLK_2;
429 VK_keymap[VK_3] = SDLK_3;
430 VK_keymap[VK_4] = SDLK_4;
431 VK_keymap[VK_5] = SDLK_5;
432 VK_keymap[VK_6] = SDLK_6;
433 VK_keymap[VK_7] = SDLK_7;
434 VK_keymap[VK_8] = SDLK_8;
435 VK_keymap[VK_9] = SDLK_9;
436 VK_keymap[VK_SEMICOLON] = SDLK_SEMICOLON;
437 VK_keymap[VK_EQUALS] = SDLK_EQUALS;
438 VK_keymap[VK_LBRACKET] = SDLK_LEFTBRACKET;
439 VK_keymap[VK_BACKSLASH] = SDLK_BACKSLASH;
440 VK_keymap[VK_OEM_102] = SDLK_LESS;
441 VK_keymap[VK_RBRACKET] = SDLK_RIGHTBRACKET;
442 VK_keymap[VK_GRAVE] = SDLK_BACKQUOTE;
443 VK_keymap[VK_BACKTICK] = SDLK_BACKQUOTE;
444 VK_keymap[VK_A] = SDLK_a;
445 VK_keymap[VK_B] = SDLK_b;
446 VK_keymap[VK_C] = SDLK_c;
447 VK_keymap[VK_D] = SDLK_d;
448 VK_keymap[VK_E] = SDLK_e;
449 VK_keymap[VK_F] = SDLK_f;
450 VK_keymap[VK_G] = SDLK_g;
451 VK_keymap[VK_H] = SDLK_h;
452 VK_keymap[VK_I] = SDLK_i;
453 VK_keymap[VK_J] = SDLK_j;
454 VK_keymap[VK_K] = SDLK_k;
455 VK_keymap[VK_L] = SDLK_l;
456 VK_keymap[VK_M] = SDLK_m;
457 VK_keymap[VK_N] = SDLK_n;
458 VK_keymap[VK_O] = SDLK_o;
459 VK_keymap[VK_P] = SDLK_p;
460 VK_keymap[VK_Q] = SDLK_q;
461 VK_keymap[VK_R] = SDLK_r;
462 VK_keymap[VK_S] = SDLK_s;
463 VK_keymap[VK_T] = SDLK_t;
464 VK_keymap[VK_U] = SDLK_u;
465 VK_keymap[VK_V] = SDLK_v;
466 VK_keymap[VK_W] = SDLK_w;
467 VK_keymap[VK_X] = SDLK_x;
468 VK_keymap[VK_Y] = SDLK_y;
469 VK_keymap[VK_Z] = SDLK_z;
470 VK_keymap[VK_DELETE] = SDLK_DELETE;
472 VK_keymap[VK_NUMPAD0] = SDLK_KP0;
473 VK_keymap[VK_NUMPAD1] = SDLK_KP1;
474 VK_keymap[VK_NUMPAD2] = SDLK_KP2;
475 VK_keymap[VK_NUMPAD3] = SDLK_KP3;
476 VK_keymap[VK_NUMPAD4] = SDLK_KP4;
477 VK_keymap[VK_NUMPAD5] = SDLK_KP5;
478 VK_keymap[VK_NUMPAD6] = SDLK_KP6;
479 VK_keymap[VK_NUMPAD7] = SDLK_KP7;
480 VK_keymap[VK_NUMPAD8] = SDLK_KP8;
481 VK_keymap[VK_NUMPAD9] = SDLK_KP9;
482 VK_keymap[VK_DECIMAL] = SDLK_KP_PERIOD;
483 VK_keymap[VK_DIVIDE] = SDLK_KP_DIVIDE;
484 VK_keymap[VK_MULTIPLY] = SDLK_KP_MULTIPLY;
485 VK_keymap[VK_SUBTRACT] = SDLK_KP_MINUS;
486 VK_keymap[VK_ADD] = SDLK_KP_PLUS;
488 VK_keymap[VK_UP] = SDLK_UP;
489 VK_keymap[VK_DOWN] = SDLK_DOWN;
490 VK_keymap[VK_RIGHT] = SDLK_RIGHT;
491 VK_keymap[VK_LEFT] = SDLK_LEFT;
492 VK_keymap[VK_INSERT] = SDLK_INSERT;
493 VK_keymap[VK_HOME] = SDLK_HOME;
494 VK_keymap[VK_END] = SDLK_END;
495 VK_keymap[VK_PRIOR] = SDLK_PAGEUP;
496 VK_keymap[VK_NEXT] = SDLK_PAGEDOWN;
498 VK_keymap[VK_F1] = SDLK_F1;
499 VK_keymap[VK_F2] = SDLK_F2;
500 VK_keymap[VK_F3] = SDLK_F3;
501 VK_keymap[VK_F4] = SDLK_F4;
502 VK_keymap[VK_F5] = SDLK_F5;
503 VK_keymap[VK_F6] = SDLK_F6;
504 VK_keymap[VK_F7] = SDLK_F7;
505 VK_keymap[VK_F8] = SDLK_F8;
506 VK_keymap[VK_F9] = SDLK_F9;
507 VK_keymap[VK_F10] = SDLK_F10;
508 VK_keymap[VK_F11] = SDLK_F11;
509 VK_keymap[VK_F12] = SDLK_F12;
510 VK_keymap[VK_F13] = SDLK_F13;
511 VK_keymap[VK_F14] = SDLK_F14;
512 VK_keymap[VK_F15] = SDLK_F15;
514 VK_keymap[VK_NUMLOCK] = SDLK_NUMLOCK;
515 VK_keymap[VK_CAPITAL] = SDLK_CAPSLOCK;
516 VK_keymap[VK_SCROLL] = SDLK_SCROLLOCK;
517 VK_keymap[VK_RSHIFT] = SDLK_RSHIFT;
518 VK_keymap[VK_LSHIFT] = SDLK_LSHIFT;
519 VK_keymap[VK_RCONTROL] = SDLK_RCTRL;
520 VK_keymap[VK_LCONTROL] = SDLK_LCTRL;
521 VK_keymap[VK_RMENU] = SDLK_RALT;
522 VK_keymap[VK_LMENU] = SDLK_LALT;
523 VK_keymap[VK_RWIN] = SDLK_RSUPER;
524 VK_keymap[VK_LWIN] = SDLK_LSUPER;
526 VK_keymap[VK_HELP] = SDLK_HELP;
528 VK_keymap[VK_PRINT] = SDLK_PRINT;
530 VK_keymap[VK_SNAPSHOT] = SDLK_PRINT;
531 VK_keymap[VK_CANCEL] = SDLK_BREAK;
532 VK_keymap[VK_APPS] = SDLK_MENU;
534 Arrows_keymap[3] = 0x25;
535 Arrows_keymap[2] = 0x26;
536 Arrows_keymap[1] = 0x27;
537 Arrows_keymap[0] = 0x28;
540 #define EXTKEYPAD(keypad) ((scancode & 0x100)?(mvke):(keypad))
542 static int SDL_MapVirtualKey(int scancode, int vkey)
545 int mvke = MapVirtualKeyEx(scancode & 0xFF, 1, hLayoutUS);
547 int mvke = MapVirtualKey(scancode & 0xFF, 1);
551 /* These are always correct */
559 /* These are already handled */
571 /* Distinguish between keypad and extended keys */
572 case VK_INSERT: return EXTKEYPAD(VK_NUMPAD0);
573 case VK_DELETE: return EXTKEYPAD(VK_DECIMAL);
574 case VK_END: return EXTKEYPAD(VK_NUMPAD1);
575 case VK_DOWN: return EXTKEYPAD(VK_NUMPAD2);
576 case VK_NEXT: return EXTKEYPAD(VK_NUMPAD3);
577 case VK_LEFT: return EXTKEYPAD(VK_NUMPAD4);
578 case VK_CLEAR: return EXTKEYPAD(VK_NUMPAD5);
579 case VK_RIGHT: return EXTKEYPAD(VK_NUMPAD6);
580 case VK_HOME: return EXTKEYPAD(VK_NUMPAD7);
581 case VK_UP: return EXTKEYPAD(VK_NUMPAD8);
582 case VK_PRIOR: return EXTKEYPAD(VK_NUMPAD9);
584 return mvke?mvke:vkey;
587 static SDL_keysym *TranslateKey(WPARAM vkey, UINT scancode, SDL_keysym *keysym, int pressed)
589 /* Set the keysym information */
590 keysym->scancode = (unsigned char) scancode;
591 keysym->mod = KMOD_NONE;
594 if ((vkey == VK_RETURN) && (scancode & 0x100)) {
595 /* No VK_ code for the keypad enter key */
596 keysym->sym = SDLK_KP_ENTER;
599 keysym->sym = VK_keymap[SDL_MapVirtualKey(scancode, vkey)];
602 if ( pressed && SDL_TranslateUNICODE ) {
603 #ifdef NO_GETKEYBOARDSTATE
604 /* Uh oh, better hope the vkey is close enough.. */
605 if((keysym->sym == vkey) || (vkey > 0x7f))
606 keysym->unicode = vkey;
611 GetKeyboardState(keystate);
612 /* Numlock isn't taken into account in ToUnicode,
613 * so we handle it as a special case here */
614 if ((keystate[VK_NUMLOCK] & 1) && vkey >= VK_NUMPAD0 && vkey <= VK_NUMPAD9)
616 keysym->unicode = vkey - VK_NUMPAD0 + '0';
618 else if (SDL_ToUnicode((UINT)vkey, scancode, keystate, wchars, sizeof(wchars)/sizeof(wchars[0]), 0) > 0)
620 keysym->unicode = wchars[0];
622 #endif /* NO_GETKEYBOARDSTATE */
627 HKL hLayoutCurrent = GetKeyboardLayout(0);
628 int sc = scancode & 0xFF;
630 printf("SYM:%d, VK:0x%02X, SC:0x%04X, US:(1:0x%02X, 3:0x%02X), "
631 "Current:(1:0x%02X, 3:0x%02X)\n",
632 keysym->sym, vkey, scancode,
633 MapVirtualKeyEx(sc, 1, hLayoutUS),
634 MapVirtualKeyEx(sc, 3, hLayoutUS),
635 MapVirtualKeyEx(sc, 1, hLayoutCurrent),
636 MapVirtualKeyEx(sc, 3, hLayoutCurrent)
643 int DIB_CreateWindow(_THIS)
647 SDL_RegisterApp(NULL, 0, 0);
649 windowid = SDL_getenv("SDL_WINDOWID");
650 SDL_windowid = (windowid != NULL);
651 if ( SDL_windowid ) {
652 #if defined(_WIN32_WCE) && (_WIN32_WCE < 300)
653 /* wince 2.1 does not have strtol */
654 wchar_t *windowid_t = SDL_malloc((SDL_strlen(windowid) + 1) * sizeof(wchar_t));
655 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, windowid, -1, windowid_t, SDL_strlen(windowid) + 1);
656 SDL_Window = (HWND)wcstol(windowid_t, NULL, 0);
657 SDL_free(windowid_t);
659 SDL_Window = (HWND)SDL_strtoull(windowid, NULL, 0);
661 if ( SDL_Window == NULL ) {
662 SDL_SetError("Couldn't get user specified window");
666 /* DJM: we want all event's for the user specified
667 window to be handled by SDL.
669 userWindowProc = (WNDPROCTYPE)GetWindowLongPtr(SDL_Window, GWLP_WNDPROC);
670 SetWindowLongPtr(SDL_Window, GWLP_WNDPROC, (LONG_PTR)WinMessage);
672 SDL_Window = CreateWindow(SDL_Appname, SDL_Appname,
673 (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX),
674 CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, NULL, NULL, SDL_Instance, NULL);
675 if ( SDL_Window == NULL ) {
676 SDL_SetError("Couldn't create window");
679 ShowWindow(SDL_Window, SW_HIDE);
683 Flush the message loop or this can cause big problems later
684 Especially if the user decides to use dialog boxes or assert()!
686 WIN_FlushMessageQueue();
691 void DIB_DestroyWindow(_THIS)
693 if ( SDL_windowid ) {
694 SetWindowLongPtr(SDL_Window, GWLP_WNDPROC, (LONG_PTR)userWindowProc);
696 DestroyWindow(SDL_Window);
701 Flush the message loop or this can cause big problems later
702 Especially if the user decides to use dialog boxes or assert()!
704 WIN_FlushMessageQueue();