Mercurial > sdl-ios-xcode
annotate src/video/windib/SDL_dibevents.c @ 421:195dd37b3d86
Bugfix from Corona688: don't reference a string before we've initialized it.
Fixes crashbug on WinCE (PocketPC).
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Tue, 02 Jul 2002 04:07:01 +0000 |
| parents | 13fc64213765 |
| children | a6fa62b1be09 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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Updated copyright information for 2002
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 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 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 #include <stdlib.h> | |
| 29 #include <stdio.h> | |
| 30 #include <windows.h> | |
| 31 | |
| 32 #include "SDL_events.h" | |
| 33 #include "SDL_error.h" | |
| 34 #include "SDL_syswm.h" | |
| 35 #include "SDL_sysevents.h" | |
| 36 #include "SDL_events_c.h" | |
| 37 #include "SDL_lowvideo.h" | |
| 38 #include "SDL_dibvideo.h" | |
| 39 #include "SDL_vkeys.h" | |
| 40 | |
| 41 #ifndef WM_APP | |
| 42 #define WM_APP 0x8000 | |
| 43 #endif | |
| 44 | |
| 45 #ifdef _WIN32_WCE | |
| 46 #define NO_GETKEYBOARDSTATE | |
| 47 #endif | |
| 48 | |
| 49 /* The translation table from a Microsoft VK keysym to a SDL keysym */ | |
| 50 static SDLKey VK_keymap[SDLK_LAST]; | |
| 51 static SDL_keysym *TranslateKey(UINT vkey, UINT scancode, SDL_keysym *keysym, int pressed); | |
| 52 | |
| 53 /* Masks for processing the windows KEYDOWN and KEYUP messages */ | |
| 54 #define REPEATED_KEYMASK (1<<30) | |
| 55 #define EXTENDED_KEYMASK (1<<24) | |
| 56 | |
|
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57 /* DJM: If the user setup the window for us, we want to save his window proc, |
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58 and give him a chance to handle some messages. */ |
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59 static WNDPROC userWindowProc = NULL; |
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60 |
| 0 | 61 /* The main Win32 event handler */ |
| 62 LONG | |
| 63 DIB_HandleMessage(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) | |
| 64 { | |
| 65 extern int posted; | |
| 66 | |
| 67 switch (msg) { | |
| 68 case WM_SYSKEYDOWN: | |
| 69 case WM_KEYDOWN: { | |
| 70 SDL_keysym keysym; | |
| 71 | |
| 72 /* Ignore repeated keys */ | |
| 73 if ( lParam&REPEATED_KEYMASK ) { | |
| 74 return(0); | |
| 75 } | |
| 76 switch (wParam) { | |
| 77 case VK_CONTROL: | |
| 78 if ( lParam&EXTENDED_KEYMASK ) | |
| 79 wParam = VK_RCONTROL; | |
| 80 else | |
| 81 wParam = VK_LCONTROL; | |
| 82 break; | |
| 83 case VK_SHIFT: | |
| 84 /* EXTENDED trick doesn't work here */ | |
| 85 wParam = VK_LSHIFT; | |
| 86 break; | |
| 87 case VK_MENU: | |
| 88 if ( lParam&EXTENDED_KEYMASK ) | |
| 89 wParam = VK_RMENU; | |
| 90 else | |
| 91 wParam = VK_LMENU; | |
| 92 break; | |
| 93 } | |
|
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94 #ifdef NO_GETKEYBOARDSTATE |
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95 /* this is the workaround for the missing ToAscii() and ToUnicode() in CE (not necessary at KEYUP!) */ |
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96 if ( SDL_TranslateUNICODE ) { |
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97 MSG m; |
|
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98 |
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99 m.hwnd = hwnd; |
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100 m.message = msg; |
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101 m.wParam = wParam; |
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102 m.lParam = lParam; |
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103 m.time = 0; |
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104 if ( TranslateMessage(&m) && PeekMessage(&m, hwnd, 0, WM_USER, PM_NOREMOVE) && (m.message == WM_CHAR) ) { |
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105 GetMessage(&m, hwnd, 0, WM_USER); |
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106 wParam = m.wParam; |
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107 } else { |
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108 wParam = 0; |
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109 } |
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110 } else { |
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111 wParam = 0; |
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112 } |
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113 #endif /* NO_GETKEYBOARDSTATE */ |
| 0 | 114 posted = SDL_PrivateKeyboard(SDL_PRESSED, |
| 115 TranslateKey(wParam,HIWORD(lParam),&keysym,1)); | |
| 116 } | |
| 117 return(0); | |
| 118 | |
| 119 case WM_SYSKEYUP: | |
| 120 case WM_KEYUP: { | |
| 121 SDL_keysym keysym; | |
| 122 | |
| 123 switch (wParam) { | |
| 124 case VK_CONTROL: | |
| 125 if ( lParam&EXTENDED_KEYMASK ) | |
| 126 wParam = VK_RCONTROL; | |
| 127 else | |
| 128 wParam = VK_LCONTROL; | |
| 129 break; | |
| 130 case VK_SHIFT: | |
| 131 /* EXTENDED trick doesn't work here */ | |
| 132 wParam = VK_LSHIFT; | |
| 133 break; | |
| 134 case VK_MENU: | |
| 135 if ( lParam&EXTENDED_KEYMASK ) | |
| 136 wParam = VK_RMENU; | |
| 137 else | |
| 138 wParam = VK_LMENU; | |
| 139 break; | |
| 140 } | |
| 141 posted = SDL_PrivateKeyboard(SDL_RELEASED, | |
| 142 TranslateKey(wParam,HIWORD(lParam),&keysym,0)); | |
| 143 } | |
| 144 return(0); | |
| 145 | |
| 146 default: { | |
| 147 /* Only post the event if we're watching for it */ | |
| 148 if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) { | |
| 149 SDL_SysWMmsg wmmsg; | |
| 150 | |
| 151 SDL_VERSION(&wmmsg.version); | |
| 152 wmmsg.hwnd = hwnd; | |
| 153 wmmsg.msg = msg; | |
| 154 wmmsg.wParam = wParam; | |
| 155 wmmsg.lParam = lParam; | |
| 156 posted = SDL_PrivateSysWMEvent(&wmmsg); | |
|
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157 |
|
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parents:
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158 /* DJM: If the user isn't watching for private |
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159 messages in her SDL event loop, then pass it |
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Applied David MacCormack's patch to fix SDL_WINDOWID on Windows,
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parents:
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160 along to any win32 specific window proc. |
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Applied David MacCormack's patch to fix SDL_WINDOWID on Windows,
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161 */ |
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29a638dc26db
Applied David MacCormack's patch to fix SDL_WINDOWID on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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162 } else if (userWindowProc) { |
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29a638dc26db
Applied David MacCormack's patch to fix SDL_WINDOWID on Windows,
Sam Lantinga <slouken@libsdl.org>
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163 return userWindowProc(hwnd, msg, wParam, lParam); |
| 0 | 164 } |
| 165 } | |
| 166 break; | |
| 167 } | |
| 168 return(DefWindowProc(hwnd, msg, wParam, lParam)); | |
| 169 } | |
| 170 | |
| 171 void DIB_PumpEvents(_THIS) | |
| 172 { | |
| 173 MSG msg; | |
| 174 | |
| 175 while ( PeekMessage(&msg, NULL, 0, (WM_APP-1), PM_NOREMOVE) ) { | |
| 176 if ( GetMessage(&msg, NULL, 0, (WM_APP-1)) > 0 ) { | |
| 177 DispatchMessage(&msg); | |
| 178 } | |
| 179 } | |
| 180 } | |
| 181 | |
| 182 void DIB_InitOSKeymap(_THIS) | |
| 183 { | |
| 184 int i; | |
| 185 | |
| 186 /* Map the VK keysyms */ | |
| 187 for ( i=0; i<SDL_TABLESIZE(VK_keymap); ++i ) | |
| 188 VK_keymap[i] = SDLK_UNKNOWN; | |
| 189 | |
| 190 VK_keymap[VK_BACK] = SDLK_BACKSPACE; | |
| 191 VK_keymap[VK_TAB] = SDLK_TAB; | |
| 192 VK_keymap[VK_CLEAR] = SDLK_CLEAR; | |
| 193 VK_keymap[VK_RETURN] = SDLK_RETURN; | |
| 194 VK_keymap[VK_PAUSE] = SDLK_PAUSE; | |
| 195 VK_keymap[VK_ESCAPE] = SDLK_ESCAPE; | |
| 196 VK_keymap[VK_SPACE] = SDLK_SPACE; | |
| 197 VK_keymap[VK_APOSTROPHE] = SDLK_QUOTE; | |
| 198 VK_keymap[VK_COMMA] = SDLK_COMMA; | |
| 199 VK_keymap[VK_MINUS] = SDLK_MINUS; | |
| 200 VK_keymap[VK_PERIOD] = SDLK_PERIOD; | |
| 201 VK_keymap[VK_SLASH] = SDLK_SLASH; | |
| 202 VK_keymap[VK_0] = SDLK_0; | |
| 203 VK_keymap[VK_1] = SDLK_1; | |
| 204 VK_keymap[VK_2] = SDLK_2; | |
| 205 VK_keymap[VK_3] = SDLK_3; | |
| 206 VK_keymap[VK_4] = SDLK_4; | |
| 207 VK_keymap[VK_5] = SDLK_5; | |
| 208 VK_keymap[VK_6] = SDLK_6; | |
| 209 VK_keymap[VK_7] = SDLK_7; | |
| 210 VK_keymap[VK_8] = SDLK_8; | |
| 211 VK_keymap[VK_9] = SDLK_9; | |
| 212 VK_keymap[VK_SEMICOLON] = SDLK_SEMICOLON; | |
| 213 VK_keymap[VK_EQUALS] = SDLK_EQUALS; | |
| 214 VK_keymap[VK_LBRACKET] = SDLK_LEFTBRACKET; | |
| 215 VK_keymap[VK_BACKSLASH] = SDLK_BACKSLASH; | |
| 216 VK_keymap[VK_RBRACKET] = SDLK_RIGHTBRACKET; | |
| 217 VK_keymap[VK_GRAVE] = SDLK_BACKQUOTE; | |
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218 VK_keymap[VK_BACKTICK] = SDLK_BACKQUOTE; |
| 0 | 219 VK_keymap[VK_A] = SDLK_a; |
| 220 VK_keymap[VK_B] = SDLK_b; | |
| 221 VK_keymap[VK_C] = SDLK_c; | |
| 222 VK_keymap[VK_D] = SDLK_d; | |
| 223 VK_keymap[VK_E] = SDLK_e; | |
| 224 VK_keymap[VK_F] = SDLK_f; | |
| 225 VK_keymap[VK_G] = SDLK_g; | |
| 226 VK_keymap[VK_H] = SDLK_h; | |
| 227 VK_keymap[VK_I] = SDLK_i; | |
| 228 VK_keymap[VK_J] = SDLK_j; | |
| 229 VK_keymap[VK_K] = SDLK_k; | |
| 230 VK_keymap[VK_L] = SDLK_l; | |
| 231 VK_keymap[VK_M] = SDLK_m; | |
| 232 VK_keymap[VK_N] = SDLK_n; | |
| 233 VK_keymap[VK_O] = SDLK_o; | |
| 234 VK_keymap[VK_P] = SDLK_p; | |
| 235 VK_keymap[VK_Q] = SDLK_q; | |
| 236 VK_keymap[VK_R] = SDLK_r; | |
| 237 VK_keymap[VK_S] = SDLK_s; | |
| 238 VK_keymap[VK_T] = SDLK_t; | |
| 239 VK_keymap[VK_U] = SDLK_u; | |
| 240 VK_keymap[VK_V] = SDLK_v; | |
| 241 VK_keymap[VK_W] = SDLK_w; | |
| 242 VK_keymap[VK_X] = SDLK_x; | |
| 243 VK_keymap[VK_Y] = SDLK_y; | |
| 244 VK_keymap[VK_Z] = SDLK_z; | |
| 245 VK_keymap[VK_DELETE] = SDLK_DELETE; | |
| 246 | |
| 247 VK_keymap[VK_NUMPAD0] = SDLK_KP0; | |
| 248 VK_keymap[VK_NUMPAD1] = SDLK_KP1; | |
| 249 VK_keymap[VK_NUMPAD2] = SDLK_KP2; | |
| 250 VK_keymap[VK_NUMPAD3] = SDLK_KP3; | |
| 251 VK_keymap[VK_NUMPAD4] = SDLK_KP4; | |
| 252 VK_keymap[VK_NUMPAD5] = SDLK_KP5; | |
| 253 VK_keymap[VK_NUMPAD6] = SDLK_KP6; | |
| 254 VK_keymap[VK_NUMPAD7] = SDLK_KP7; | |
| 255 VK_keymap[VK_NUMPAD8] = SDLK_KP8; | |
| 256 VK_keymap[VK_NUMPAD9] = SDLK_KP9; | |
| 257 VK_keymap[VK_DECIMAL] = SDLK_KP_PERIOD; | |
| 258 VK_keymap[VK_DIVIDE] = SDLK_KP_DIVIDE; | |
| 259 VK_keymap[VK_MULTIPLY] = SDLK_KP_MULTIPLY; | |
| 260 VK_keymap[VK_SUBTRACT] = SDLK_KP_MINUS; | |
| 261 VK_keymap[VK_ADD] = SDLK_KP_PLUS; | |
| 262 | |
| 263 VK_keymap[VK_UP] = SDLK_UP; | |
| 264 VK_keymap[VK_DOWN] = SDLK_DOWN; | |
| 265 VK_keymap[VK_RIGHT] = SDLK_RIGHT; | |
| 266 VK_keymap[VK_LEFT] = SDLK_LEFT; | |
| 267 VK_keymap[VK_INSERT] = SDLK_INSERT; | |
| 268 VK_keymap[VK_HOME] = SDLK_HOME; | |
| 269 VK_keymap[VK_END] = SDLK_END; | |
| 270 VK_keymap[VK_PRIOR] = SDLK_PAGEUP; | |
| 271 VK_keymap[VK_NEXT] = SDLK_PAGEDOWN; | |
| 272 | |
| 273 VK_keymap[VK_F1] = SDLK_F1; | |
| 274 VK_keymap[VK_F2] = SDLK_F2; | |
| 275 VK_keymap[VK_F3] = SDLK_F3; | |
| 276 VK_keymap[VK_F4] = SDLK_F4; | |
| 277 VK_keymap[VK_F5] = SDLK_F5; | |
| 278 VK_keymap[VK_F6] = SDLK_F6; | |
| 279 VK_keymap[VK_F7] = SDLK_F7; | |
| 280 VK_keymap[VK_F8] = SDLK_F8; | |
| 281 VK_keymap[VK_F9] = SDLK_F9; | |
| 282 VK_keymap[VK_F10] = SDLK_F10; | |
| 283 VK_keymap[VK_F11] = SDLK_F11; | |
| 284 VK_keymap[VK_F12] = SDLK_F12; | |
| 285 VK_keymap[VK_F13] = SDLK_F13; | |
| 286 VK_keymap[VK_F14] = SDLK_F14; | |
| 287 VK_keymap[VK_F15] = SDLK_F15; | |
| 288 | |
| 289 VK_keymap[VK_NUMLOCK] = SDLK_NUMLOCK; | |
| 290 VK_keymap[VK_CAPITAL] = SDLK_CAPSLOCK; | |
| 291 VK_keymap[VK_SCROLL] = SDLK_SCROLLOCK; | |
| 292 VK_keymap[VK_RSHIFT] = SDLK_RSHIFT; | |
| 293 VK_keymap[VK_LSHIFT] = SDLK_LSHIFT; | |
| 294 VK_keymap[VK_RCONTROL] = SDLK_RCTRL; | |
| 295 VK_keymap[VK_LCONTROL] = SDLK_LCTRL; | |
| 296 VK_keymap[VK_RMENU] = SDLK_RALT; | |
| 297 VK_keymap[VK_LMENU] = SDLK_LALT; | |
| 298 VK_keymap[VK_RWIN] = SDLK_RSUPER; | |
| 299 VK_keymap[VK_LWIN] = SDLK_LSUPER; | |
| 300 | |
| 301 VK_keymap[VK_HELP] = SDLK_HELP; | |
| 302 #ifdef VK_PRINT | |
| 303 VK_keymap[VK_PRINT] = SDLK_PRINT; | |
| 304 #endif | |
| 305 VK_keymap[VK_SNAPSHOT] = SDLK_PRINT; | |
| 306 VK_keymap[VK_CANCEL] = SDLK_BREAK; | |
| 307 VK_keymap[VK_APPS] = SDLK_MENU; | |
| 308 } | |
| 309 | |
| 310 static SDL_keysym *TranslateKey(UINT vkey, UINT scancode, SDL_keysym *keysym, int pressed) | |
| 311 { | |
| 312 /* Set the keysym information */ | |
| 313 keysym->scancode = (unsigned char) scancode; | |
| 314 keysym->sym = VK_keymap[vkey]; | |
| 315 keysym->mod = KMOD_NONE; | |
| 316 keysym->unicode = 0; | |
| 317 if ( pressed && SDL_TranslateUNICODE ) { /* Someday use ToUnicode() */ | |
| 318 #ifdef NO_GETKEYBOARDSTATE | |
| 319 /* Uh oh, better hope the vkey is close enough.. */ | |
| 320 keysym->unicode = vkey; | |
| 321 #else | |
| 322 BYTE keystate[256]; | |
| 323 BYTE chars[2]; | |
| 324 | |
| 325 GetKeyboardState(keystate); | |
| 326 if ( ToAscii(vkey,scancode,keystate,(WORD *)chars,0) == 1 ) { | |
| 327 keysym->unicode = chars[0]; | |
| 328 } | |
| 329 #endif /* NO_GETKEYBOARDSTATE */ | |
| 330 } | |
| 331 return(keysym); | |
| 332 } | |
| 333 | |
| 334 int DIB_CreateWindow(_THIS) | |
| 335 { | |
| 336 #ifdef _WIN32_WCE | |
| 337 /* WinCE uses the UNICODE version */ | |
|
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338 int nLen; |
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Bugfix from Corona688: don't reference a string before we've initialized it.
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339 LPWSTR lpszW; |
| 0 | 340 |
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341 if ( SDL_RegisterApp("SDL_app", 0, 0) != 0 ) { |
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342 return -1; |
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343 } |
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344 |
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345 nLen = strlen(SDL_Appname) + 1; |
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346 lpszW = alloca(nLen * 2); |
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347 |
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348 MultiByteToWideChar(CP_ACP, 0, "SDL_App", -1, lpszW, nLen); |
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349 |
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350 SDL_Window = CreateWindow(lpszW, lpszW, WS_VISIBLE, |
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351 0, 0, 0, 0, NULL, NULL, SDL_Instance, NULL); |
| 0 | 352 if ( SDL_Window == NULL ) { |
| 353 SDL_SetError("Couldn't create window"); | |
| 354 return(-1); | |
| 355 } | |
| 356 ShowWindow(SDL_Window, SW_HIDE); | |
| 357 #else | |
| 358 SDL_RegisterApp("SDL_app", CS_BYTEALIGNCLIENT, 0); | |
| 359 if ( SDL_windowid ) { | |
| 360 SDL_Window = (HWND)strtol(SDL_windowid, NULL, 0); | |
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361 |
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362 /* DJM: we want all event's for the user specified |
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363 window to be handled by SDL. |
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364 */ |
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365 if (SDL_Window) { |
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366 userWindowProc = (WNDPROC)GetWindowLong(SDL_Window, GWL_WNDPROC); |
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367 SetWindowLong(SDL_Window, GWL_WNDPROC, (LONG)WinMessage); |
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368 } |
| 0 | 369 } else { |
| 370 SDL_Window = CreateWindow(SDL_Appname, SDL_Appname, | |
| 371 (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX), | |
| 372 0, 0, 0, 0, NULL, NULL, SDL_Instance, NULL); | |
| 373 if ( SDL_Window == NULL ) { | |
| 374 SDL_SetError("Couldn't create window"); | |
| 375 return(-1); | |
| 376 } | |
| 377 ShowWindow(SDL_Window, SW_HIDE); | |
| 378 } | |
| 379 #endif /* _WIN32_WCE */ | |
| 380 | |
| 381 return(0); | |
| 382 } | |
| 383 | |
| 384 void DIB_DestroyWindow(_THIS) | |
| 385 { | |
| 386 if ( SDL_windowid == NULL ) { | |
| 387 DestroyWindow(SDL_Window); | |
| 388 } | |
| 389 } |