src/video/windib/SDL_dibevents.c
author Sam Lantinga <slouken@libsdl.org>
Mon, 08 Dec 2008 00:25:42 +0000
branchSDL-1.2
changeset 4159 a1b03ba2fcd0
parent 4139 568c9b3c0167
child 4162 3b7fc3416601
permissions -rw-r--r--
Updated copyright date
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2009 Sam Lantinga
     4 
     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.
     9 
    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.
    14 
    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
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 */
    22 #include "SDL_config.h"
    23 
    24 #define WIN32_LEAN_AND_MEAN
    25 #include <windows.h>
    26 
    27 #include "SDL_main.h"
    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_dibvideo.h"
    34 #include "SDL_vkeys.h"
    35 
    36 #ifndef WM_APP
    37 #define WM_APP	0x8000
    38 #endif
    39 
    40 #ifdef _WIN32_WCE
    41 #define NO_GETKEYBOARDSTATE
    42 #endif
    43 
    44 /* The translation table from a Microsoft VK keysym to a SDL keysym */
    45 static SDLKey VK_keymap[SDLK_LAST];
    46 static SDL_keysym *TranslateKey(WPARAM vkey, UINT scancode, SDL_keysym *keysym, int pressed);
    47 
    48 /* Masks for processing the windows KEYDOWN and KEYUP messages */
    49 #define REPEATED_KEYMASK	(1<<30)
    50 #define EXTENDED_KEYMASK	(1<<24)
    51 
    52 /* DJM: If the user setup the window for us, we want to save his window proc,
    53    and give him a chance to handle some messages. */
    54 #ifdef STRICT
    55 #define WNDPROCTYPE	WNDPROC
    56 #else
    57 #define WNDPROCTYPE	FARPROC
    58 #endif
    59 static WNDPROCTYPE userWindowProc = NULL;
    60 
    61 
    62 #ifdef _WIN32_WCE
    63 
    64 WPARAM rotateKey(WPARAM key,SDL_ScreenOrientation direction) 
    65 {
    66 	if (direction != SDL_ORIENTATION_LEFT)
    67 		return key;
    68 
    69 	switch (key) {
    70 		case 0x26: /* up */
    71 			return 0x27;
    72 		case 0x27: /* right */
    73 			return 0x28;
    74 		case 0x28: /* down */
    75 			return 0x25;
    76 		case 0x25: /* left */
    77 			return 0x26;
    78 	}
    79 
    80 	return key;
    81 }
    82 
    83 #endif 
    84 
    85 
    86 /* The main Win32 event handler */
    87 LRESULT DIB_HandleMessage(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
    88 {
    89 	extern int posted;
    90 
    91 	switch (msg) {
    92 		case WM_SYSKEYDOWN:
    93 		case WM_KEYDOWN: {
    94 			SDL_keysym keysym;
    95 
    96 #ifdef _WIN32_WCE
    97 			// Drop GAPI artefacts
    98 			if (wParam == 0x84 || wParam == 0x5B)
    99 				return 0;
   100 
   101 			// Rotate key if necessary
   102 			if (this->hidden->orientation != SDL_ORIENTATION_UP)
   103 				wParam = rotateKey(wParam, this->hidden->orientation);	
   104 #endif 
   105 			/* Ignore repeated keys */
   106 			if ( lParam&REPEATED_KEYMASK ) {
   107 				return(0);
   108 			}
   109 			switch (wParam) {
   110 				case VK_CONTROL:
   111 					if ( lParam&EXTENDED_KEYMASK )
   112 						wParam = VK_RCONTROL;
   113 					else
   114 						wParam = VK_LCONTROL;
   115 					break;
   116 				case VK_SHIFT:
   117 					/* EXTENDED trick doesn't work here */
   118 					{
   119 					Uint8 *state = SDL_GetKeyState(NULL);
   120 					if (state[SDLK_LSHIFT] == SDL_RELEASED && (GetKeyState(VK_LSHIFT) & 0x8000)) {
   121 						wParam = VK_LSHIFT;
   122 					} else if (state[SDLK_RSHIFT] == SDL_RELEASED && (GetKeyState(VK_RSHIFT) & 0x8000)) {
   123 						wParam = VK_RSHIFT;
   124 					} else {
   125 						/* Win9x */
   126 						int sc = HIWORD(lParam) & 0xFF;
   127 
   128 						if (sc == 0x2A)
   129 							wParam = VK_LSHIFT;
   130 						else
   131 						if (sc == 0x36)
   132 							wParam = VK_RSHIFT;
   133 						else
   134 							wParam = VK_LSHIFT;
   135 					}
   136 					}
   137 					break;
   138 				case VK_MENU:
   139 					if ( lParam&EXTENDED_KEYMASK )
   140 						wParam = VK_RMENU;
   141 					else
   142 						wParam = VK_LMENU;
   143 					break;
   144 			}
   145 #ifdef NO_GETKEYBOARDSTATE
   146 			/* this is the workaround for the missing ToAscii() and ToUnicode() in CE (not necessary at KEYUP!) */
   147 			if ( SDL_TranslateUNICODE ) {
   148 				MSG m;
   149 
   150 				m.hwnd = hwnd;
   151 				m.message = msg;
   152 				m.wParam = wParam;
   153 				m.lParam = lParam;
   154 				m.time = 0;
   155 				if ( TranslateMessage(&m) && PeekMessage(&m, hwnd, 0, WM_USER, PM_NOREMOVE) && (m.message == WM_CHAR) ) {
   156 					GetMessage(&m, hwnd, 0, WM_USER);
   157 			    		wParam = m.wParam;
   158 				}
   159 			}
   160 #endif /* NO_GETKEYBOARDSTATE */
   161 			posted = SDL_PrivateKeyboard(SDL_PRESSED,
   162 				TranslateKey(wParam,HIWORD(lParam),&keysym,1));
   163 		}
   164 		return(0);
   165 
   166 		case WM_SYSKEYUP:
   167 		case WM_KEYUP: {
   168 			SDL_keysym keysym;
   169 
   170 #ifdef _WIN32_WCE
   171 			// Drop GAPI artifacts
   172 			if (wParam == 0x84 || wParam == 0x5B)
   173 				return 0;
   174 
   175 			// Rotate key if necessary
   176 			if (this->hidden->orientation != SDL_ORIENTATION_UP)
   177 				wParam = rotateKey(wParam, this->hidden->orientation);	
   178 #endif
   179 
   180 			switch (wParam) {
   181 				case VK_CONTROL:
   182 					if ( lParam&EXTENDED_KEYMASK )
   183 						wParam = VK_RCONTROL;
   184 					else
   185 						wParam = VK_LCONTROL;
   186 					break;
   187 				case VK_SHIFT:
   188 					/* EXTENDED trick doesn't work here */
   189 					{
   190 					Uint8 *state = SDL_GetKeyState(NULL);
   191 					if (state[SDLK_LSHIFT] == SDL_PRESSED && !(GetKeyState(VK_LSHIFT) & 0x8000)) {
   192 						wParam = VK_LSHIFT;
   193 					} else if (state[SDLK_RSHIFT] == SDL_PRESSED && !(GetKeyState(VK_RSHIFT) & 0x8000)) {
   194 						wParam = VK_RSHIFT;
   195 					} else {
   196 						/* Win9x */
   197 						int sc = HIWORD(lParam) & 0xFF;
   198 
   199 						if (sc == 0x2A)
   200 							wParam = VK_LSHIFT;
   201 						else
   202 						if (sc == 0x36)
   203 							wParam = VK_RSHIFT;
   204 						else
   205 							wParam = VK_LSHIFT;
   206 					}
   207 					}
   208 					break;
   209 				case VK_MENU:
   210 					if ( lParam&EXTENDED_KEYMASK )
   211 						wParam = VK_RMENU;
   212 					else
   213 						wParam = VK_LMENU;
   214 					break;
   215 			}
   216 			/* Windows only reports keyup for print screen */
   217 			if ( wParam == VK_SNAPSHOT && SDL_GetKeyState(NULL)[SDLK_PRINT] == SDL_RELEASED ) {
   218 				posted = SDL_PrivateKeyboard(SDL_PRESSED,
   219 					TranslateKey(wParam,HIWORD(lParam),&keysym,1));
   220 			}
   221 			posted = SDL_PrivateKeyboard(SDL_RELEASED,
   222 				TranslateKey(wParam,HIWORD(lParam),&keysym,0));
   223 		}
   224 		return(0);
   225 
   226 #if defined(SC_SCREENSAVE) && defined(SC_MONITORPOWER)
   227 		case WM_SYSCOMMAND: {
   228 			const DWORD val = (DWORD) (wParam & 0xFFF0);
   229 			if ((val == SC_SCREENSAVE) || (val == SC_MONITORPOWER)) {
   230 				if (!allow_screensaver) {
   231 					/* Note that this doesn't stop anything on Vista
   232 					   if the screensaver has a password. */
   233 					return(0);
   234 				}
   235 			}
   236 		}
   237 		/* Fall through to default processing */
   238 #endif /* SC_SCREENSAVE && SC_MONITORPOWER */
   239 
   240 		default: {
   241 			/* Only post the event if we're watching for it */
   242 			if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) {
   243 			        SDL_SysWMmsg wmmsg;
   244 
   245 				SDL_VERSION(&wmmsg.version);
   246 				wmmsg.hwnd = hwnd;
   247 				wmmsg.msg = msg;
   248 				wmmsg.wParam = wParam;
   249 				wmmsg.lParam = lParam;
   250 				posted = SDL_PrivateSysWMEvent(&wmmsg);
   251 
   252 			/* DJM: If the user isn't watching for private
   253 				messages in her SDL event loop, then pass it
   254 				along to any win32 specific window proc.
   255 			 */
   256 			} else if (userWindowProc) {
   257 				return CallWindowProc(userWindowProc, hwnd, msg, wParam, lParam);
   258 			}
   259 		}
   260 		break;
   261 	}
   262 	return(DefWindowProc(hwnd, msg, wParam, lParam));
   263 }
   264 
   265 void DIB_PumpEvents(_THIS)
   266 {
   267 	MSG msg;
   268 
   269 	while ( PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) ) {
   270 		if ( GetMessage(&msg, NULL, 0, 0) > 0 ) {
   271 			DispatchMessage(&msg);
   272 		}
   273 	}
   274 }
   275 
   276 static HKL hLayoutUS = NULL;
   277 
   278 void DIB_InitOSKeymap(_THIS)
   279 {
   280 	int	i;
   281 #ifndef _WIN32_WCE
   282 	char	current_layout[KL_NAMELENGTH];
   283 
   284 	GetKeyboardLayoutName(current_layout);
   285 	//printf("Initial Keyboard Layout Name: '%s'\n", current_layout);
   286 
   287 	hLayoutUS = LoadKeyboardLayout("00000409", KLF_NOTELLSHELL);
   288 
   289 	if (!hLayoutUS) {
   290 		//printf("Failed to load US keyboard layout. Using current.\n");
   291 		hLayoutUS = GetKeyboardLayout(0);
   292 	}
   293 	LoadKeyboardLayout(current_layout, KLF_ACTIVATE);
   294 #else
   295 #if _WIN32_WCE >=420
   296 	TCHAR	current_layout[KL_NAMELENGTH];
   297 
   298 	GetKeyboardLayoutName(current_layout);
   299 	//printf("Initial Keyboard Layout Name: '%s'\n", current_layout);
   300 
   301 	hLayoutUS = LoadKeyboardLayout(L"00000409", 0);
   302 
   303 	if (!hLayoutUS) {
   304 		//printf("Failed to load US keyboard layout. Using current.\n");
   305 		hLayoutUS = GetKeyboardLayout(0);
   306 	}
   307 	LoadKeyboardLayout(current_layout, 0);
   308 #endif // _WIN32_WCE >=420
   309 #endif
   310 	/* Map the VK keysyms */
   311 	for ( i=0; i<SDL_arraysize(VK_keymap); ++i )
   312 		VK_keymap[i] = SDLK_UNKNOWN;
   313 
   314 	VK_keymap[VK_BACK] = SDLK_BACKSPACE;
   315 	VK_keymap[VK_TAB] = SDLK_TAB;
   316 	VK_keymap[VK_CLEAR] = SDLK_CLEAR;
   317 	VK_keymap[VK_RETURN] = SDLK_RETURN;
   318 	VK_keymap[VK_PAUSE] = SDLK_PAUSE;
   319 	VK_keymap[VK_ESCAPE] = SDLK_ESCAPE;
   320 	VK_keymap[VK_SPACE] = SDLK_SPACE;
   321 	VK_keymap[VK_APOSTROPHE] = SDLK_QUOTE;
   322 	VK_keymap[VK_COMMA] = SDLK_COMMA;
   323 	VK_keymap[VK_MINUS] = SDLK_MINUS;
   324 	VK_keymap[VK_PERIOD] = SDLK_PERIOD;
   325 	VK_keymap[VK_SLASH] = SDLK_SLASH;
   326 	VK_keymap[VK_0] = SDLK_0;
   327 	VK_keymap[VK_1] = SDLK_1;
   328 	VK_keymap[VK_2] = SDLK_2;
   329 	VK_keymap[VK_3] = SDLK_3;
   330 	VK_keymap[VK_4] = SDLK_4;
   331 	VK_keymap[VK_5] = SDLK_5;
   332 	VK_keymap[VK_6] = SDLK_6;
   333 	VK_keymap[VK_7] = SDLK_7;
   334 	VK_keymap[VK_8] = SDLK_8;
   335 	VK_keymap[VK_9] = SDLK_9;
   336 	VK_keymap[VK_SEMICOLON] = SDLK_SEMICOLON;
   337 	VK_keymap[VK_EQUALS] = SDLK_EQUALS;
   338 	VK_keymap[VK_LBRACKET] = SDLK_LEFTBRACKET;
   339 	VK_keymap[VK_BACKSLASH] = SDLK_BACKSLASH;
   340 	VK_keymap[VK_OEM_102] = SDLK_LESS;
   341 	VK_keymap[VK_RBRACKET] = SDLK_RIGHTBRACKET;
   342 	VK_keymap[VK_GRAVE] = SDLK_BACKQUOTE;
   343 	VK_keymap[VK_BACKTICK] = SDLK_BACKQUOTE;
   344 	VK_keymap[VK_A] = SDLK_a;
   345 	VK_keymap[VK_B] = SDLK_b;
   346 	VK_keymap[VK_C] = SDLK_c;
   347 	VK_keymap[VK_D] = SDLK_d;
   348 	VK_keymap[VK_E] = SDLK_e;
   349 	VK_keymap[VK_F] = SDLK_f;
   350 	VK_keymap[VK_G] = SDLK_g;
   351 	VK_keymap[VK_H] = SDLK_h;
   352 	VK_keymap[VK_I] = SDLK_i;
   353 	VK_keymap[VK_J] = SDLK_j;
   354 	VK_keymap[VK_K] = SDLK_k;
   355 	VK_keymap[VK_L] = SDLK_l;
   356 	VK_keymap[VK_M] = SDLK_m;
   357 	VK_keymap[VK_N] = SDLK_n;
   358 	VK_keymap[VK_O] = SDLK_o;
   359 	VK_keymap[VK_P] = SDLK_p;
   360 	VK_keymap[VK_Q] = SDLK_q;
   361 	VK_keymap[VK_R] = SDLK_r;
   362 	VK_keymap[VK_S] = SDLK_s;
   363 	VK_keymap[VK_T] = SDLK_t;
   364 	VK_keymap[VK_U] = SDLK_u;
   365 	VK_keymap[VK_V] = SDLK_v;
   366 	VK_keymap[VK_W] = SDLK_w;
   367 	VK_keymap[VK_X] = SDLK_x;
   368 	VK_keymap[VK_Y] = SDLK_y;
   369 	VK_keymap[VK_Z] = SDLK_z;
   370 	VK_keymap[VK_DELETE] = SDLK_DELETE;
   371 
   372 	VK_keymap[VK_NUMPAD0] = SDLK_KP0;
   373 	VK_keymap[VK_NUMPAD1] = SDLK_KP1;
   374 	VK_keymap[VK_NUMPAD2] = SDLK_KP2;
   375 	VK_keymap[VK_NUMPAD3] = SDLK_KP3;
   376 	VK_keymap[VK_NUMPAD4] = SDLK_KP4;
   377 	VK_keymap[VK_NUMPAD5] = SDLK_KP5;
   378 	VK_keymap[VK_NUMPAD6] = SDLK_KP6;
   379 	VK_keymap[VK_NUMPAD7] = SDLK_KP7;
   380 	VK_keymap[VK_NUMPAD8] = SDLK_KP8;
   381 	VK_keymap[VK_NUMPAD9] = SDLK_KP9;
   382 	VK_keymap[VK_DECIMAL] = SDLK_KP_PERIOD;
   383 	VK_keymap[VK_DIVIDE] = SDLK_KP_DIVIDE;
   384 	VK_keymap[VK_MULTIPLY] = SDLK_KP_MULTIPLY;
   385 	VK_keymap[VK_SUBTRACT] = SDLK_KP_MINUS;
   386 	VK_keymap[VK_ADD] = SDLK_KP_PLUS;
   387 
   388 	VK_keymap[VK_UP] = SDLK_UP;
   389 	VK_keymap[VK_DOWN] = SDLK_DOWN;
   390 	VK_keymap[VK_RIGHT] = SDLK_RIGHT;
   391 	VK_keymap[VK_LEFT] = SDLK_LEFT;
   392 	VK_keymap[VK_INSERT] = SDLK_INSERT;
   393 	VK_keymap[VK_HOME] = SDLK_HOME;
   394 	VK_keymap[VK_END] = SDLK_END;
   395 	VK_keymap[VK_PRIOR] = SDLK_PAGEUP;
   396 	VK_keymap[VK_NEXT] = SDLK_PAGEDOWN;
   397 
   398 	VK_keymap[VK_F1] = SDLK_F1;
   399 	VK_keymap[VK_F2] = SDLK_F2;
   400 	VK_keymap[VK_F3] = SDLK_F3;
   401 	VK_keymap[VK_F4] = SDLK_F4;
   402 	VK_keymap[VK_F5] = SDLK_F5;
   403 	VK_keymap[VK_F6] = SDLK_F6;
   404 	VK_keymap[VK_F7] = SDLK_F7;
   405 	VK_keymap[VK_F8] = SDLK_F8;
   406 	VK_keymap[VK_F9] = SDLK_F9;
   407 	VK_keymap[VK_F10] = SDLK_F10;
   408 	VK_keymap[VK_F11] = SDLK_F11;
   409 	VK_keymap[VK_F12] = SDLK_F12;
   410 	VK_keymap[VK_F13] = SDLK_F13;
   411 	VK_keymap[VK_F14] = SDLK_F14;
   412 	VK_keymap[VK_F15] = SDLK_F15;
   413 
   414 	VK_keymap[VK_NUMLOCK] = SDLK_NUMLOCK;
   415 	VK_keymap[VK_CAPITAL] = SDLK_CAPSLOCK;
   416 	VK_keymap[VK_SCROLL] = SDLK_SCROLLOCK;
   417 	VK_keymap[VK_RSHIFT] = SDLK_RSHIFT;
   418 	VK_keymap[VK_LSHIFT] = SDLK_LSHIFT;
   419 	VK_keymap[VK_RCONTROL] = SDLK_RCTRL;
   420 	VK_keymap[VK_LCONTROL] = SDLK_LCTRL;
   421 	VK_keymap[VK_RMENU] = SDLK_RALT;
   422 	VK_keymap[VK_LMENU] = SDLK_LALT;
   423 	VK_keymap[VK_RWIN] = SDLK_RSUPER;
   424 	VK_keymap[VK_LWIN] = SDLK_LSUPER;
   425 
   426 	VK_keymap[VK_HELP] = SDLK_HELP;
   427 #ifdef VK_PRINT
   428 	VK_keymap[VK_PRINT] = SDLK_PRINT;
   429 #endif
   430 	VK_keymap[VK_SNAPSHOT] = SDLK_PRINT;
   431 	VK_keymap[VK_CANCEL] = SDLK_BREAK;
   432 	VK_keymap[VK_APPS] = SDLK_MENU;
   433 }
   434 
   435 #define EXTKEYPAD(keypad) ((scancode & 0x100)?(mvke):(keypad))
   436 
   437 static int SDL_MapVirtualKey(int scancode, int vkey)
   438 {
   439 #ifndef _WIN32_WCE
   440 	int	mvke  = MapVirtualKeyEx(scancode & 0xFF, 1, hLayoutUS);
   441 #else
   442 	int	mvke  = MapVirtualKey(scancode & 0xFF, 1);
   443 #endif
   444 
   445 	switch(vkey) {
   446 		/* These are always correct */
   447 		case VK_DIVIDE:
   448 		case VK_MULTIPLY:
   449 		case VK_SUBTRACT:
   450 		case VK_ADD:
   451 		case VK_LWIN:
   452 		case VK_RWIN:
   453 		case VK_APPS:
   454 		/* These are already handled */
   455 		case VK_LCONTROL:
   456 		case VK_RCONTROL:
   457 		case VK_LSHIFT:
   458 		case VK_RSHIFT:
   459 		case VK_LMENU:
   460 		case VK_RMENU:
   461 		case VK_SNAPSHOT:
   462 		case VK_PAUSE:
   463 			return vkey;
   464 	}	
   465 	switch(mvke) {
   466 		/* Distinguish between keypad and extended keys */
   467 		case VK_INSERT: return EXTKEYPAD(VK_NUMPAD0);
   468 		case VK_DELETE: return EXTKEYPAD(VK_DECIMAL);
   469 		case VK_END:    return EXTKEYPAD(VK_NUMPAD1);
   470 		case VK_DOWN:   return EXTKEYPAD(VK_NUMPAD2);
   471 		case VK_NEXT:   return EXTKEYPAD(VK_NUMPAD3);
   472 		case VK_LEFT:   return EXTKEYPAD(VK_NUMPAD4);
   473 		case VK_CLEAR:  return EXTKEYPAD(VK_NUMPAD5);
   474 		case VK_RIGHT:  return EXTKEYPAD(VK_NUMPAD6);
   475 		case VK_HOME:   return EXTKEYPAD(VK_NUMPAD7);
   476 		case VK_UP:     return EXTKEYPAD(VK_NUMPAD8);
   477 		case VK_PRIOR:  return EXTKEYPAD(VK_NUMPAD9);
   478 	}
   479 	return mvke?mvke:vkey;
   480 }
   481 
   482 static SDL_keysym *TranslateKey(WPARAM vkey, UINT scancode, SDL_keysym *keysym, int pressed)
   483 {
   484 	/* Set the keysym information */
   485 	keysym->scancode = (unsigned char) scancode;
   486 	keysym->mod = KMOD_NONE;
   487 	keysym->unicode = 0;
   488 	if ( pressed && SDL_TranslateUNICODE ) {
   489 #ifdef NO_GETKEYBOARDSTATE
   490 		/* Uh oh, better hope the vkey is close enough.. */
   491 		keysym->unicode = vkey;
   492 #else
   493 		BYTE	keystate[256];
   494 		Uint16	wchars[2];
   495 
   496 		GetKeyboardState(keystate);
   497 		if (SDL_ToUnicode((UINT)vkey, scancode, keystate, wchars, sizeof(wchars)/sizeof(wchars[0]), 0) == 1)
   498 		{
   499 			keysym->unicode = wchars[0];
   500 		}
   501 #endif /* NO_GETKEYBOARDSTATE */
   502 	}
   503 
   504 	if ((vkey == VK_RETURN) && (scancode & 0x100)) {
   505 		/* No VK_ code for the keypad enter key */
   506 		keysym->sym = SDLK_KP_ENTER;
   507 	}
   508 	else {
   509 		keysym->sym = VK_keymap[SDL_MapVirtualKey(scancode, vkey)];
   510 	}
   511 
   512 #if 0
   513 	{
   514 		HKL     hLayoutCurrent = GetKeyboardLayout(0);
   515 		int     sc = scancode & 0xFF;
   516 
   517 		printf("SYM:%d, VK:0x%02X, SC:0x%04X, US:(1:0x%02X, 3:0x%02X), "
   518 			"Current:(1:0x%02X, 3:0x%02X)\n",
   519 			keysym->sym, vkey, scancode,
   520 			MapVirtualKeyEx(sc, 1, hLayoutUS),
   521 			MapVirtualKeyEx(sc, 3, hLayoutUS),
   522 			MapVirtualKeyEx(sc, 1, hLayoutCurrent),
   523 			MapVirtualKeyEx(sc, 3, hLayoutCurrent)
   524 		);
   525 	}
   526 #endif
   527 	return(keysym);
   528 }
   529 
   530 int DIB_CreateWindow(_THIS)
   531 {
   532 	char *windowid = SDL_getenv("SDL_WINDOWID");
   533 
   534 	SDL_RegisterApp(NULL, 0, 0);
   535 
   536 	SDL_windowid = (windowid != NULL);
   537 	if ( SDL_windowid ) {
   538 #if defined(_WIN32_WCE) && (_WIN32_WCE < 300)
   539 		/* wince 2.1 does not have strtol */
   540 		wchar_t *windowid_t = SDL_malloc((SDL_strlen(windowid) + 1) * sizeof(wchar_t));
   541 		MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, windowid, -1, windowid_t, SDL_strlen(windowid) + 1);
   542 		SDL_Window = (HWND)wcstol(windowid_t, NULL, 0);
   543 		SDL_free(windowid_t);
   544 #else
   545 		SDL_Window = (HWND)SDL_strtoull(windowid, NULL, 0);
   546 #endif
   547 		if ( SDL_Window == NULL ) {
   548 			SDL_SetError("Couldn't get user specified window");
   549 			return(-1);
   550 		}
   551 
   552 		/* DJM: we want all event's for the user specified
   553 			window to be handled by SDL.
   554 		 */
   555 		userWindowProc = (WNDPROCTYPE)GetWindowLongPtr(SDL_Window, GWLP_WNDPROC);
   556 		SetWindowLongPtr(SDL_Window, GWLP_WNDPROC, (LONG_PTR)WinMessage);
   557 	} else {
   558 		SDL_Window = CreateWindow(SDL_Appname, SDL_Appname,
   559                         (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX),
   560                         CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, NULL, NULL, SDL_Instance, NULL);
   561 		if ( SDL_Window == NULL ) {
   562 			SDL_SetError("Couldn't create window");
   563 			return(-1);
   564 		}
   565 		ShowWindow(SDL_Window, SW_HIDE);
   566 	}
   567 
   568 	/* JC 14 Mar 2006
   569 		Flush the message loop or this can cause big problems later
   570 		Especially if the user decides to use dialog boxes or assert()!
   571 	*/
   572 	WIN_FlushMessageQueue();
   573 
   574 	return(0);
   575 }
   576 
   577 void DIB_DestroyWindow(_THIS)
   578 {
   579 	if ( SDL_windowid ) {
   580 		SetWindowLongPtr(SDL_Window, GWLP_WNDPROC, (LONG_PTR)userWindowProc);
   581 	} else {
   582 		DestroyWindow(SDL_Window);
   583 	}
   584 	SDL_UnregisterApp();
   585 
   586 	/* JC 14 Mar 2006
   587 		Flush the message loop or this can cause big problems later
   588 		Especially if the user decides to use dialog boxes or assert()!
   589 	*/
   590 	WIN_FlushMessageQueue();
   591 }