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1 /*
2     SDL - Simple DirectMedia Layer
3     Copyright (C) 1997-2006 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 
rotateKey(WPARAM key,SDL_ScreenOrientation direction)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 */
DIB_HandleMessage(_THIS,HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)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 (!this->hidden->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 
DIB_PumpEvents(_THIS)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 
DIB_InitOSKeymap(_THIS)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 
SDL_MapVirtualKey(int scancode,int vkey)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 
TranslateKey(WPARAM vkey,UINT scancode,SDL_keysym * keysym,int pressed)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 
DIB_CreateWindow(_THIS)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 
DIB_DestroyWindow(_THIS)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 }
592