Mercurial > sdl-ios-xcode
annotate test/testwm.c @ 1103:18e5babe266e
Tell SDL to notfree my video surfaces (Damn, no how-to write a SDL driver)
| author | Patrice Mandin <patmandin@gmail.com> |
|---|---|
| date | Wed, 27 Jul 2005 19:18:10 +0000 |
| parents | 3eddf51b649b |
| children | be9c9c8f6d53 |
| rev | line source |
|---|---|
| 0 | 1 |
| 2 /* Test out the window manager interaction functions */ | |
| 3 | |
| 4 #include <stdio.h> | |
| 5 #include <stdlib.h> | |
| 6 #include <string.h> | |
| 7 | |
| 8 #include "SDL.h" | |
| 9 | |
| 10 /* Is the cursor visible? */ | |
| 11 static int visible = 1; | |
| 12 | |
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13 static Uint8 video_bpp; |
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14 static Uint32 video_flags; |
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15 |
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16 int SetVideoMode(int w, int h) |
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17 { |
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18 SDL_Surface *screen; |
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19 int i; |
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20 Uint8 *buffer; |
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21 SDL_Color palette[256]; |
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22 |
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23 screen = SDL_SetVideoMode(w, h, video_bpp, video_flags); |
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24 if ( screen == NULL ) { |
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25 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n", |
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26 w, h, video_bpp, SDL_GetError()); |
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27 return(-1); |
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28 } |
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29 printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ? |
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30 "fullscreen" : "windowed"); |
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31 |
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32 /* Set the surface pixels and refresh! */ |
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33 for ( i=0; i<256; ++i ) { |
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34 palette[i].r = 255-i; |
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35 palette[i].g = 255-i; |
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36 palette[i].b = 255-i; |
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37 } |
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38 SDL_SetColors(screen, palette, 0, 256); |
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39 if ( SDL_LockSurface(screen) < 0 ) { |
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40 fprintf(stderr, "Couldn't lock display surface: %s\n", |
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41 SDL_GetError()); |
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42 return(-1); |
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43 } |
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44 buffer = (Uint8 *)screen->pixels; |
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45 for ( i=0; i<screen->h; ++i ) { |
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46 memset(buffer,(i*255)/screen->h, |
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47 screen->w*screen->format->BytesPerPixel); |
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48 buffer += screen->pitch; |
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49 } |
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50 SDL_UnlockSurface(screen); |
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51 SDL_UpdateRect(screen, 0, 0, 0, 0); |
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52 |
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53 return(0); |
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54 } |
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55 |
| 0 | 56 SDL_Surface *LoadIconSurface(char *file, Uint8 **maskp) |
| 57 { | |
| 58 SDL_Surface *icon; | |
| 59 Uint8 *pixels; | |
| 60 Uint8 *mask; | |
| 591 | 61 int mlen, i, j; |
| 0 | 62 |
| 63 *maskp = NULL; | |
| 64 | |
| 65 /* Load the icon surface */ | |
| 66 icon = SDL_LoadBMP(file); | |
| 67 if ( icon == NULL ) { | |
| 68 fprintf(stderr, "Couldn't load %s: %s\n", file, SDL_GetError()); | |
| 69 return(NULL); | |
| 70 } | |
| 71 | |
| 591 | 72 /* Check width and height |
| 0 | 73 if ( (icon->w%8) != 0 ) { |
| 74 fprintf(stderr, "Icon width must be a multiple of 8!\n"); | |
| 75 SDL_FreeSurface(icon); | |
| 76 return(NULL); | |
| 77 } | |
| 591 | 78 */ |
| 79 | |
| 80 | |
| 0 | 81 if ( icon->format->palette == NULL ) { |
| 82 fprintf(stderr, "Icon must have a palette!\n"); | |
| 83 SDL_FreeSurface(icon); | |
| 84 return(NULL); | |
| 85 } | |
| 86 | |
| 87 /* Set the colorkey */ | |
| 88 SDL_SetColorKey(icon, SDL_SRCCOLORKEY, *((Uint8 *)icon->pixels)); | |
| 89 | |
| 90 /* Create the mask */ | |
| 91 pixels = (Uint8 *)icon->pixels; | |
| 92 printf("Transparent pixel: (%d,%d,%d)\n", | |
| 93 icon->format->palette->colors[*pixels].r, | |
| 94 icon->format->palette->colors[*pixels].g, | |
| 95 icon->format->palette->colors[*pixels].b); | |
| 591 | 96 mlen = (icon->w*icon->h + 7) / 8; |
| 97 mask = (Uint8 *)malloc(mlen); | |
| 0 | 98 if ( mask == NULL ) { |
| 99 fprintf(stderr, "Out of memory!\n"); | |
| 100 SDL_FreeSurface(icon); | |
| 101 return(NULL); | |
| 102 } | |
| 591 | 103 memset(mask, 0, mlen); |
| 104 for ( i=0; i < icon->h; i++) | |
| 105 for (j=0; j < icon->w; j++) { | |
| 106 int pindex = i * icon->pitch + j; | |
| 107 int mindex = i * icon->w + j; | |
| 108 if ( pixels[pindex] != *pixels ) | |
| 109 mask[mindex>>3] |= 1 << (7 - (mindex & 7)); | |
| 110 } | |
| 0 | 111 *maskp = mask; |
| 112 return(icon); | |
| 113 } | |
| 114 | |
| 115 void HotKey_ToggleFullScreen(void) | |
| 116 { | |
| 117 SDL_Surface *screen; | |
| 118 | |
| 119 screen = SDL_GetVideoSurface(); | |
| 120 if ( SDL_WM_ToggleFullScreen(screen) ) { | |
| 121 printf("Toggled fullscreen mode - now %s\n", | |
| 122 (screen->flags&SDL_FULLSCREEN) ? "fullscreen" : "windowed"); | |
| 123 } else { | |
| 124 printf("Unable to toggle fullscreen mode\n"); | |
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125 video_flags ^= SDL_FULLSCREEN; |
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126 SetVideoMode(screen->w, screen->h); |
| 0 | 127 } |
| 128 } | |
| 129 | |
| 130 void HotKey_ToggleGrab(void) | |
| 131 { | |
| 132 SDL_GrabMode mode; | |
| 133 | |
| 134 printf("Ctrl-G: toggling input grab!\n"); | |
| 135 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY); | |
| 136 if ( mode == SDL_GRAB_ON ) { | |
| 137 printf("Grab was on\n"); | |
| 138 } else { | |
| 139 printf("Grab was off\n"); | |
| 140 } | |
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141 mode = SDL_WM_GrabInput(mode ? SDL_GRAB_OFF : SDL_GRAB_ON); |
| 0 | 142 if ( mode == SDL_GRAB_ON ) { |
| 143 printf("Grab is now on\n"); | |
| 144 } else { | |
| 145 printf("Grab is now off\n"); | |
| 146 } | |
| 147 } | |
| 148 | |
| 149 void HotKey_Iconify(void) | |
| 150 { | |
| 151 printf("Ctrl-Z: iconifying window!\n"); | |
| 152 SDL_WM_IconifyWindow(); | |
| 153 } | |
| 154 | |
| 155 void HotKey_Quit(void) | |
| 156 { | |
| 157 SDL_Event event; | |
| 158 | |
| 159 printf("Posting internal quit request\n"); | |
| 160 event.type = SDL_USEREVENT; | |
| 161 SDL_PushEvent(&event); | |
| 162 } | |
| 163 | |
| 164 int FilterEvents(const SDL_Event *event) | |
| 165 { | |
| 166 static int reallyquit = 0; | |
| 167 | |
| 168 switch (event->type) { | |
| 169 | |
| 170 case SDL_ACTIVEEVENT: | |
| 171 /* See what happened */ | |
| 172 printf("App %s ", | |
| 173 event->active.gain ? "gained" : "lost"); | |
| 174 if ( event->active.state & SDL_APPACTIVE ) | |
| 175 printf("active "); | |
| 176 if ( event->active.state & SDL_APPMOUSEFOCUS ) | |
| 177 printf("mouse "); | |
| 178 if ( event->active.state & SDL_APPINPUTFOCUS ) | |
| 179 printf("input "); | |
| 180 printf("focus\n"); | |
| 181 | |
| 182 /* See if we are iconified or restored */ | |
| 183 if ( event->active.state & SDL_APPACTIVE ) { | |
| 184 printf("App has been %s\n", | |
| 185 event->active.gain ? | |
| 186 "restored" : "iconified"); | |
| 187 } | |
| 188 return(0); | |
| 189 | |
| 190 /* We want to toggle visibility on buttonpress */ | |
| 191 case SDL_MOUSEBUTTONDOWN: | |
| 192 case SDL_MOUSEBUTTONUP: | |
| 193 if ( event->button.state == SDL_PRESSED ) { | |
| 194 visible = !visible; | |
| 195 SDL_ShowCursor(visible); | |
| 196 } | |
| 197 printf("Mouse button %d has been %s\n", | |
| 198 event->button.button, | |
| 199 (event->button.state == SDL_PRESSED) ? | |
| 200 "pressed" : "released"); | |
| 201 return(0); | |
| 202 | |
| 203 /* Show relative mouse motion */ | |
| 204 case SDL_MOUSEMOTION: | |
| 205 #if 0 | |
| 206 printf("Mouse relative motion: {%d,%d}\n", | |
| 207 event->motion.xrel, event->motion.yrel); | |
| 208 #endif | |
| 209 return(0); | |
| 210 | |
| 211 case SDL_KEYDOWN: | |
| 212 if ( event->key.keysym.sym == SDLK_ESCAPE ) { | |
| 213 HotKey_Quit(); | |
| 214 } | |
| 215 if ( (event->key.keysym.sym == SDLK_g) && | |
| 216 (event->key.keysym.mod & KMOD_CTRL) ) { | |
| 217 HotKey_ToggleGrab(); | |
| 218 } | |
| 219 if ( (event->key.keysym.sym == SDLK_z) && | |
| 220 (event->key.keysym.mod & KMOD_CTRL) ) { | |
| 221 HotKey_Iconify(); | |
| 222 } | |
| 223 if ( (event->key.keysym.sym == SDLK_RETURN) && | |
| 224 (event->key.keysym.mod & KMOD_ALT) ) { | |
| 225 HotKey_ToggleFullScreen(); | |
| 226 } | |
| 227 return(0); | |
| 228 | |
| 229 /* Pass the video resize event through .. */ | |
| 230 case SDL_VIDEORESIZE: | |
| 231 return(1); | |
| 232 | |
| 233 /* This is important! Queue it if we want to quit. */ | |
| 234 case SDL_QUIT: | |
| 235 if ( ! reallyquit ) { | |
| 236 reallyquit = 1; | |
| 237 printf("Quit requested\n"); | |
| 238 return(0); | |
| 239 } | |
| 240 printf("Quit demanded\n"); | |
| 241 return(1); | |
| 242 | |
| 243 /* This will never happen because events queued directly | |
| 244 to the event queue are not filtered. | |
| 245 */ | |
| 246 case SDL_USEREVENT: | |
| 247 return(1); | |
| 248 | |
| 249 /* Drop all other events */ | |
| 250 default: | |
| 251 return(0); | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 int main(int argc, char *argv[]) | |
| 256 { | |
| 257 SDL_Event event; | |
| 258 char *title; | |
| 259 SDL_Surface *icon; | |
| 260 Uint8 *icon_mask; | |
| 261 int parsed; | |
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262 int w, h; |
| 0 | 263 |
| 264 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { | |
| 265 fprintf(stderr, | |
| 266 "Couldn't initialize SDL: %s\n", SDL_GetError()); | |
| 267 exit(1); | |
| 268 } | |
| 269 atexit(SDL_Quit); | |
| 270 | |
| 271 /* Check command line arguments */ | |
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272 w = 640; |
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273 h = 480; |
| 0 | 274 video_bpp = 8; |
| 275 video_flags = SDL_SWSURFACE; | |
| 276 parsed = 1; | |
| 277 while ( parsed ) { | |
| 278 if ( (argc >= 2) && (strcmp(argv[1], "-fullscreen") == 0) ) { | |
| 279 video_flags |= SDL_FULLSCREEN; | |
| 280 argc -= 1; | |
| 281 argv += 1; | |
| 282 } else | |
| 283 if ( (argc >= 2) && (strcmp(argv[1], "-resize") == 0) ) { | |
| 284 video_flags |= SDL_RESIZABLE; | |
| 285 argc -= 1; | |
| 286 argv += 1; | |
| 287 } else | |
| 288 if ( (argc >= 2) && (strcmp(argv[1], "-noframe") == 0) ) { | |
| 289 video_flags |= SDL_NOFRAME; | |
| 290 argc -= 1; | |
| 291 argv += 1; | |
| 292 } else | |
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293 if ( (argc >= 3) && (strcmp(argv[1], "-width") == 0) ) { |
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294 w = atoi(argv[2]); |
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295 argc -= 2; |
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296 argv += 2; |
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297 } else |
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298 if ( (argc >= 3) && (strcmp(argv[1], "-height") == 0) ) { |
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299 h = atoi(argv[2]); |
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300 argc -= 2; |
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301 argv += 2; |
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302 } else |
| 0 | 303 if ( (argc >= 3) && (strcmp(argv[1], "-bpp") == 0) ) { |
| 304 video_bpp = atoi(argv[2]); | |
| 305 argc -= 2; | |
| 306 argv += 2; | |
| 307 } else { | |
| 308 parsed = 0; | |
| 309 } | |
| 310 } | |
| 311 | |
| 312 /* Set the icon -- this must be done before the first mode set */ | |
| 313 icon = LoadIconSurface("icon.bmp", &icon_mask); | |
| 314 if ( icon != NULL ) { | |
| 315 SDL_WM_SetIcon(icon, icon_mask); | |
| 316 } | |
| 317 if ( icon_mask != NULL ) | |
| 318 free(icon_mask); | |
| 319 | |
| 320 /* Set the title bar */ | |
| 321 if ( argv[1] == NULL ) | |
| 322 title = "Testing 1.. 2.. 3..."; | |
| 323 else | |
| 324 title = argv[1]; | |
| 325 SDL_WM_SetCaption(title, "testwm"); | |
| 326 | |
| 327 /* See if it's really set */ | |
| 328 SDL_WM_GetCaption(&title, NULL); | |
| 329 if ( title ) | |
| 330 printf("Title was set to: %s\n", title); | |
| 331 else | |
| 332 printf("No window title was set!\n"); | |
| 333 | |
| 334 /* Initialize the display */ | |
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335 if ( SetVideoMode(w, h) < 0 ) { |
| 0 | 336 return(1); |
| 337 } | |
| 338 | |
| 339 /* Set an event filter that discards everything but QUIT */ | |
| 340 SDL_SetEventFilter(FilterEvents); | |
| 341 | |
| 342 /* Ignore key up events, they don't even get filtered */ | |
| 343 SDL_EventState(SDL_KEYUP, SDL_IGNORE); | |
| 344 | |
| 345 /* Loop, waiting for QUIT */ | |
| 346 while ( SDL_WaitEvent(&event) ) { | |
| 347 switch (event.type) { | |
| 348 case SDL_VIDEORESIZE: | |
| 349 printf("Got a resize event: %dx%d\n", | |
| 350 event.resize.w, event.resize.h); | |
| 351 SetVideoMode(event.resize.w, event.resize.h); | |
| 352 break; | |
| 353 case SDL_USEREVENT: | |
| 354 printf("Handling internal quit request\n"); | |
| 355 /* Fall through to the quit handler */ | |
| 356 case SDL_QUIT: | |
| 357 printf("Bye bye..\n"); | |
| 358 return(0); | |
| 359 default: | |
| 360 /* This should never happen */ | |
| 361 printf("Warning: Event %d wasn't filtered\n", | |
| 362 event.type); | |
| 363 break; | |
| 364 } | |
| 365 } | |
| 366 printf("SDL_WaitEvent() error: %s\n", SDL_GetError()); | |
| 367 return(255); | |
| 368 } |