Mercurial > sdl-ios-xcode
annotate test/testwm.c @ 591:9c9598e4b904
Allow icons of any size
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 01 Feb 2003 20:32:44 +0000 |
| parents | 3ef4bc90c388 |
| children | a30b17e09cc0 |
| 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 | |
| 13 SDL_Surface *LoadIconSurface(char *file, Uint8 **maskp) | |
| 14 { | |
| 15 SDL_Surface *icon; | |
| 16 Uint8 *pixels; | |
| 17 Uint8 *mask; | |
| 591 | 18 int mlen, i, j; |
| 0 | 19 |
| 20 *maskp = NULL; | |
| 21 | |
| 22 /* Load the icon surface */ | |
| 23 icon = SDL_LoadBMP(file); | |
| 24 if ( icon == NULL ) { | |
| 25 fprintf(stderr, "Couldn't load %s: %s\n", file, SDL_GetError()); | |
| 26 return(NULL); | |
| 27 } | |
| 28 | |
| 591 | 29 /* Check width and height |
| 0 | 30 if ( (icon->w%8) != 0 ) { |
| 31 fprintf(stderr, "Icon width must be a multiple of 8!\n"); | |
| 32 SDL_FreeSurface(icon); | |
| 33 return(NULL); | |
| 34 } | |
| 591 | 35 */ |
| 36 | |
| 37 | |
| 0 | 38 if ( icon->format->palette == NULL ) { |
| 39 fprintf(stderr, "Icon must have a palette!\n"); | |
| 40 SDL_FreeSurface(icon); | |
| 41 return(NULL); | |
| 42 } | |
| 43 | |
| 44 /* Set the colorkey */ | |
| 45 SDL_SetColorKey(icon, SDL_SRCCOLORKEY, *((Uint8 *)icon->pixels)); | |
| 46 | |
| 47 /* Create the mask */ | |
| 48 pixels = (Uint8 *)icon->pixels; | |
| 49 printf("Transparent pixel: (%d,%d,%d)\n", | |
| 50 icon->format->palette->colors[*pixels].r, | |
| 51 icon->format->palette->colors[*pixels].g, | |
| 52 icon->format->palette->colors[*pixels].b); | |
| 591 | 53 mlen = (icon->w*icon->h + 7) / 8; |
| 54 mask = (Uint8 *)malloc(mlen); | |
| 0 | 55 if ( mask == NULL ) { |
| 56 fprintf(stderr, "Out of memory!\n"); | |
| 57 SDL_FreeSurface(icon); | |
| 58 return(NULL); | |
| 59 } | |
| 591 | 60 memset(mask, 0, mlen); |
| 61 for ( i=0; i < icon->h; i++) | |
| 62 for (j=0; j < icon->w; j++) { | |
| 63 int pindex = i * icon->pitch + j; | |
| 64 int mindex = i * icon->w + j; | |
| 65 if ( pixels[pindex] != *pixels ) | |
| 66 mask[mindex>>3] |= 1 << (7 - (mindex & 7)); | |
| 67 } | |
| 0 | 68 *maskp = mask; |
| 69 return(icon); | |
| 70 } | |
| 71 | |
| 72 void HotKey_ToggleFullScreen(void) | |
| 73 { | |
| 74 SDL_Surface *screen; | |
| 75 | |
| 76 screen = SDL_GetVideoSurface(); | |
| 77 if ( SDL_WM_ToggleFullScreen(screen) ) { | |
| 78 printf("Toggled fullscreen mode - now %s\n", | |
| 79 (screen->flags&SDL_FULLSCREEN) ? "fullscreen" : "windowed"); | |
| 80 } else { | |
| 81 printf("Unable to toggle fullscreen mode\n"); | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 void HotKey_ToggleGrab(void) | |
| 86 { | |
| 87 SDL_GrabMode mode; | |
| 88 | |
| 89 printf("Ctrl-G: toggling input grab!\n"); | |
| 90 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY); | |
| 91 if ( mode == SDL_GRAB_ON ) { | |
| 92 printf("Grab was on\n"); | |
| 93 } else { | |
| 94 printf("Grab was off\n"); | |
| 95 } | |
| 96 mode = SDL_WM_GrabInput(!mode); | |
| 97 if ( mode == SDL_GRAB_ON ) { | |
| 98 printf("Grab is now on\n"); | |
| 99 } else { | |
| 100 printf("Grab is now off\n"); | |
| 101 } | |
| 102 } | |
| 103 | |
| 104 void HotKey_Iconify(void) | |
| 105 { | |
| 106 printf("Ctrl-Z: iconifying window!\n"); | |
| 107 SDL_WM_IconifyWindow(); | |
| 108 } | |
| 109 | |
| 110 void HotKey_Quit(void) | |
| 111 { | |
| 112 SDL_Event event; | |
| 113 | |
| 114 printf("Posting internal quit request\n"); | |
| 115 event.type = SDL_USEREVENT; | |
| 116 SDL_PushEvent(&event); | |
| 117 } | |
| 118 | |
| 119 int FilterEvents(const SDL_Event *event) | |
| 120 { | |
| 121 static int reallyquit = 0; | |
| 122 | |
| 123 switch (event->type) { | |
| 124 | |
| 125 case SDL_ACTIVEEVENT: | |
| 126 /* See what happened */ | |
| 127 printf("App %s ", | |
| 128 event->active.gain ? "gained" : "lost"); | |
| 129 if ( event->active.state & SDL_APPACTIVE ) | |
| 130 printf("active "); | |
| 131 if ( event->active.state & SDL_APPMOUSEFOCUS ) | |
| 132 printf("mouse "); | |
| 133 if ( event->active.state & SDL_APPINPUTFOCUS ) | |
| 134 printf("input "); | |
| 135 printf("focus\n"); | |
| 136 | |
| 137 /* See if we are iconified or restored */ | |
| 138 if ( event->active.state & SDL_APPACTIVE ) { | |
| 139 printf("App has been %s\n", | |
| 140 event->active.gain ? | |
| 141 "restored" : "iconified"); | |
| 142 } | |
| 143 return(0); | |
| 144 | |
| 145 /* We want to toggle visibility on buttonpress */ | |
| 146 case SDL_MOUSEBUTTONDOWN: | |
| 147 case SDL_MOUSEBUTTONUP: | |
| 148 if ( event->button.state == SDL_PRESSED ) { | |
| 149 visible = !visible; | |
| 150 SDL_ShowCursor(visible); | |
| 151 } | |
| 152 printf("Mouse button %d has been %s\n", | |
| 153 event->button.button, | |
| 154 (event->button.state == SDL_PRESSED) ? | |
| 155 "pressed" : "released"); | |
| 156 return(0); | |
| 157 | |
| 158 /* Show relative mouse motion */ | |
| 159 case SDL_MOUSEMOTION: | |
| 160 #if 0 | |
| 161 printf("Mouse relative motion: {%d,%d}\n", | |
| 162 event->motion.xrel, event->motion.yrel); | |
| 163 #endif | |
| 164 return(0); | |
| 165 | |
| 166 case SDL_KEYDOWN: | |
| 167 if ( event->key.keysym.sym == SDLK_ESCAPE ) { | |
| 168 HotKey_Quit(); | |
| 169 } | |
| 170 if ( (event->key.keysym.sym == SDLK_g) && | |
| 171 (event->key.keysym.mod & KMOD_CTRL) ) { | |
| 172 HotKey_ToggleGrab(); | |
| 173 } | |
| 174 if ( (event->key.keysym.sym == SDLK_z) && | |
| 175 (event->key.keysym.mod & KMOD_CTRL) ) { | |
| 176 HotKey_Iconify(); | |
| 177 } | |
| 178 if ( (event->key.keysym.sym == SDLK_RETURN) && | |
| 179 (event->key.keysym.mod & KMOD_ALT) ) { | |
| 180 HotKey_ToggleFullScreen(); | |
| 181 } | |
| 182 return(0); | |
| 183 | |
| 184 /* Pass the video resize event through .. */ | |
| 185 case SDL_VIDEORESIZE: | |
| 186 return(1); | |
| 187 | |
| 188 /* This is important! Queue it if we want to quit. */ | |
| 189 case SDL_QUIT: | |
| 190 if ( ! reallyquit ) { | |
| 191 reallyquit = 1; | |
| 192 printf("Quit requested\n"); | |
| 193 return(0); | |
| 194 } | |
| 195 printf("Quit demanded\n"); | |
| 196 return(1); | |
| 197 | |
| 198 /* This will never happen because events queued directly | |
| 199 to the event queue are not filtered. | |
| 200 */ | |
| 201 case SDL_USEREVENT: | |
| 202 return(1); | |
| 203 | |
| 204 /* Drop all other events */ | |
| 205 default: | |
| 206 return(0); | |
| 207 } | |
| 208 } | |
| 209 | |
| 210 static Uint8 video_bpp; | |
| 211 static Uint32 video_flags; | |
| 212 | |
| 213 int SetVideoMode(int w, int h) | |
| 214 { | |
| 215 SDL_Surface *screen; | |
| 216 int i; | |
| 217 Uint8 *buffer; | |
| 218 SDL_Color palette[256]; | |
| 219 | |
| 220 screen = SDL_SetVideoMode(w, h, video_bpp, video_flags); | |
| 221 if ( screen == NULL ) { | |
| 222 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n", | |
| 223 w, h, video_bpp, SDL_GetError()); | |
| 224 return(-1); | |
| 225 } | |
| 226 printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ? | |
| 227 "fullscreen" : "windowed"); | |
| 228 | |
| 229 /* Set the surface pixels and refresh! */ | |
| 230 for ( i=0; i<256; ++i ) { | |
| 231 palette[i].r = 255-i; | |
| 232 palette[i].g = 255-i; | |
| 233 palette[i].b = 255-i; | |
| 234 } | |
| 235 SDL_SetColors(screen, palette, 0, 256); | |
| 236 if ( SDL_LockSurface(screen) < 0 ) { | |
| 237 fprintf(stderr, "Couldn't lock display surface: %s\n", | |
| 238 SDL_GetError()); | |
| 239 return(-1); | |
| 240 } | |
| 241 buffer = (Uint8 *)screen->pixels; | |
| 242 for ( i=0; i<screen->h; ++i ) { | |
| 243 memset(buffer,(i*255)/screen->h, | |
| 244 screen->w*screen->format->BytesPerPixel); | |
| 245 buffer += screen->pitch; | |
| 246 } | |
| 247 SDL_UnlockSurface(screen); | |
| 248 SDL_UpdateRect(screen, 0, 0, 0, 0); | |
| 249 | |
| 250 return(0); | |
| 251 } | |
| 252 | |
| 253 int main(int argc, char *argv[]) | |
| 254 { | |
| 255 SDL_Event event; | |
| 256 char *title; | |
| 257 SDL_Surface *icon; | |
| 258 Uint8 *icon_mask; | |
| 259 int parsed; | |
|
87
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
260 int w, h; |
| 0 | 261 |
| 262 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { | |
| 263 fprintf(stderr, | |
| 264 "Couldn't initialize SDL: %s\n", SDL_GetError()); | |
| 265 exit(1); | |
| 266 } | |
| 267 atexit(SDL_Quit); | |
| 268 | |
| 269 /* Check command line arguments */ | |
|
87
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
270 w = 640; |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
271 h = 480; |
| 0 | 272 video_bpp = 8; |
| 273 video_flags = SDL_SWSURFACE; | |
| 274 parsed = 1; | |
| 275 while ( parsed ) { | |
| 276 if ( (argc >= 2) && (strcmp(argv[1], "-fullscreen") == 0) ) { | |
| 277 video_flags |= SDL_FULLSCREEN; | |
| 278 argc -= 1; | |
| 279 argv += 1; | |
| 280 } else | |
| 281 if ( (argc >= 2) && (strcmp(argv[1], "-resize") == 0) ) { | |
| 282 video_flags |= SDL_RESIZABLE; | |
| 283 argc -= 1; | |
| 284 argv += 1; | |
| 285 } else | |
| 286 if ( (argc >= 2) && (strcmp(argv[1], "-noframe") == 0) ) { | |
| 287 video_flags |= SDL_NOFRAME; | |
| 288 argc -= 1; | |
| 289 argv += 1; | |
| 290 } else | |
|
87
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
291 if ( (argc >= 3) && (strcmp(argv[1], "-width") == 0) ) { |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
292 w = atoi(argv[2]); |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
293 argc -= 2; |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
294 argv += 2; |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
295 } else |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
296 if ( (argc >= 3) && (strcmp(argv[1], "-height") == 0) ) { |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
297 h = atoi(argv[2]); |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
298 argc -= 2; |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
299 argv += 2; |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
300 } else |
| 0 | 301 if ( (argc >= 3) && (strcmp(argv[1], "-bpp") == 0) ) { |
| 302 video_bpp = atoi(argv[2]); | |
| 303 argc -= 2; | |
| 304 argv += 2; | |
| 305 } else { | |
| 306 parsed = 0; | |
| 307 } | |
| 308 } | |
| 309 | |
| 310 /* Set the icon -- this must be done before the first mode set */ | |
| 311 icon = LoadIconSurface("icon.bmp", &icon_mask); | |
| 312 if ( icon != NULL ) { | |
| 313 SDL_WM_SetIcon(icon, icon_mask); | |
| 314 } | |
| 315 if ( icon_mask != NULL ) | |
| 316 free(icon_mask); | |
| 317 | |
| 318 /* Set the title bar */ | |
| 319 if ( argv[1] == NULL ) | |
| 320 title = "Testing 1.. 2.. 3..."; | |
| 321 else | |
| 322 title = argv[1]; | |
| 323 SDL_WM_SetCaption(title, "testwm"); | |
| 324 | |
| 325 /* See if it's really set */ | |
| 326 SDL_WM_GetCaption(&title, NULL); | |
| 327 if ( title ) | |
| 328 printf("Title was set to: %s\n", title); | |
| 329 else | |
| 330 printf("No window title was set!\n"); | |
| 331 | |
| 332 /* Initialize the display */ | |
|
87
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
333 if ( SetVideoMode(w, h) < 0 ) { |
| 0 | 334 return(1); |
| 335 } | |
| 336 | |
| 337 /* Set an event filter that discards everything but QUIT */ | |
| 338 SDL_SetEventFilter(FilterEvents); | |
| 339 | |
| 340 /* Ignore key up events, they don't even get filtered */ | |
| 341 SDL_EventState(SDL_KEYUP, SDL_IGNORE); | |
| 342 | |
| 343 /* Loop, waiting for QUIT */ | |
| 344 while ( SDL_WaitEvent(&event) ) { | |
| 345 switch (event.type) { | |
| 346 case SDL_VIDEORESIZE: | |
| 347 printf("Got a resize event: %dx%d\n", | |
| 348 event.resize.w, event.resize.h); | |
| 349 SetVideoMode(event.resize.w, event.resize.h); | |
| 350 break; | |
| 351 case SDL_USEREVENT: | |
| 352 printf("Handling internal quit request\n"); | |
| 353 /* Fall through to the quit handler */ | |
| 354 case SDL_QUIT: | |
| 355 printf("Bye bye..\n"); | |
| 356 return(0); | |
| 357 default: | |
| 358 /* This should never happen */ | |
| 359 printf("Warning: Event %d wasn't filtered\n", | |
| 360 event.type); | |
| 361 break; | |
| 362 } | |
| 363 } | |
| 364 printf("SDL_WaitEvent() error: %s\n", SDL_GetError()); | |
| 365 return(255); | |
| 366 } |