Mercurial > sdl-ios-xcode
annotate test/testwm.c @ 460:a888b3ae31ff
Reset mouse state when changing video modes
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 20 Aug 2002 06:01:20 +0000 |
| parents | 3ef4bc90c388 |
| children | 9c9598e4b904 |
| 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; | |
| 18 int mlen, i; | |
| 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 | |
| 29 /* Check width and height */ | |
| 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 } | |
| 35 if ( icon->format->palette == NULL ) { | |
| 36 fprintf(stderr, "Icon must have a palette!\n"); | |
| 37 SDL_FreeSurface(icon); | |
| 38 return(NULL); | |
| 39 } | |
| 40 | |
| 41 /* Set the colorkey */ | |
| 42 SDL_SetColorKey(icon, SDL_SRCCOLORKEY, *((Uint8 *)icon->pixels)); | |
| 43 | |
| 44 /* Create the mask */ | |
| 45 pixels = (Uint8 *)icon->pixels; | |
| 46 printf("Transparent pixel: (%d,%d,%d)\n", | |
| 47 icon->format->palette->colors[*pixels].r, | |
| 48 icon->format->palette->colors[*pixels].g, | |
| 49 icon->format->palette->colors[*pixels].b); | |
| 50 mlen = icon->w*icon->h; | |
| 51 mask = (Uint8 *)malloc(mlen/8); | |
| 52 if ( mask == NULL ) { | |
| 53 fprintf(stderr, "Out of memory!\n"); | |
| 54 SDL_FreeSurface(icon); | |
| 55 return(NULL); | |
| 56 } | |
| 57 memset(mask, 0, mlen/8); | |
| 58 for ( i=0; i<mlen; ) { | |
| 59 if ( pixels[i] != *pixels ) | |
| 60 mask[i/8] |= 0x01; | |
| 61 ++i; | |
| 62 if ( (i%8) != 0 ) | |
| 63 mask[i/8] <<= 1; | |
| 64 } | |
| 65 *maskp = mask; | |
| 66 return(icon); | |
| 67 } | |
| 68 | |
| 69 void HotKey_ToggleFullScreen(void) | |
| 70 { | |
| 71 SDL_Surface *screen; | |
| 72 | |
| 73 screen = SDL_GetVideoSurface(); | |
| 74 if ( SDL_WM_ToggleFullScreen(screen) ) { | |
| 75 printf("Toggled fullscreen mode - now %s\n", | |
| 76 (screen->flags&SDL_FULLSCREEN) ? "fullscreen" : "windowed"); | |
| 77 } else { | |
| 78 printf("Unable to toggle fullscreen mode\n"); | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 void HotKey_ToggleGrab(void) | |
| 83 { | |
| 84 SDL_GrabMode mode; | |
| 85 | |
| 86 printf("Ctrl-G: toggling input grab!\n"); | |
| 87 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY); | |
| 88 if ( mode == SDL_GRAB_ON ) { | |
| 89 printf("Grab was on\n"); | |
| 90 } else { | |
| 91 printf("Grab was off\n"); | |
| 92 } | |
| 93 mode = SDL_WM_GrabInput(!mode); | |
| 94 if ( mode == SDL_GRAB_ON ) { | |
| 95 printf("Grab is now on\n"); | |
| 96 } else { | |
| 97 printf("Grab is now off\n"); | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 void HotKey_Iconify(void) | |
| 102 { | |
| 103 printf("Ctrl-Z: iconifying window!\n"); | |
| 104 SDL_WM_IconifyWindow(); | |
| 105 } | |
| 106 | |
| 107 void HotKey_Quit(void) | |
| 108 { | |
| 109 SDL_Event event; | |
| 110 | |
| 111 printf("Posting internal quit request\n"); | |
| 112 event.type = SDL_USEREVENT; | |
| 113 SDL_PushEvent(&event); | |
| 114 } | |
| 115 | |
| 116 int FilterEvents(const SDL_Event *event) | |
| 117 { | |
| 118 static int reallyquit = 0; | |
| 119 | |
| 120 switch (event->type) { | |
| 121 | |
| 122 case SDL_ACTIVEEVENT: | |
| 123 /* See what happened */ | |
| 124 printf("App %s ", | |
| 125 event->active.gain ? "gained" : "lost"); | |
| 126 if ( event->active.state & SDL_APPACTIVE ) | |
| 127 printf("active "); | |
| 128 if ( event->active.state & SDL_APPMOUSEFOCUS ) | |
| 129 printf("mouse "); | |
| 130 if ( event->active.state & SDL_APPINPUTFOCUS ) | |
| 131 printf("input "); | |
| 132 printf("focus\n"); | |
| 133 | |
| 134 /* See if we are iconified or restored */ | |
| 135 if ( event->active.state & SDL_APPACTIVE ) { | |
| 136 printf("App has been %s\n", | |
| 137 event->active.gain ? | |
| 138 "restored" : "iconified"); | |
| 139 } | |
| 140 return(0); | |
| 141 | |
| 142 /* We want to toggle visibility on buttonpress */ | |
| 143 case SDL_MOUSEBUTTONDOWN: | |
| 144 case SDL_MOUSEBUTTONUP: | |
| 145 if ( event->button.state == SDL_PRESSED ) { | |
| 146 visible = !visible; | |
| 147 SDL_ShowCursor(visible); | |
| 148 } | |
| 149 printf("Mouse button %d has been %s\n", | |
| 150 event->button.button, | |
| 151 (event->button.state == SDL_PRESSED) ? | |
| 152 "pressed" : "released"); | |
| 153 return(0); | |
| 154 | |
| 155 /* Show relative mouse motion */ | |
| 156 case SDL_MOUSEMOTION: | |
| 157 #if 0 | |
| 158 printf("Mouse relative motion: {%d,%d}\n", | |
| 159 event->motion.xrel, event->motion.yrel); | |
| 160 #endif | |
| 161 return(0); | |
| 162 | |
| 163 case SDL_KEYDOWN: | |
| 164 if ( event->key.keysym.sym == SDLK_ESCAPE ) { | |
| 165 HotKey_Quit(); | |
| 166 } | |
| 167 if ( (event->key.keysym.sym == SDLK_g) && | |
| 168 (event->key.keysym.mod & KMOD_CTRL) ) { | |
| 169 HotKey_ToggleGrab(); | |
| 170 } | |
| 171 if ( (event->key.keysym.sym == SDLK_z) && | |
| 172 (event->key.keysym.mod & KMOD_CTRL) ) { | |
| 173 HotKey_Iconify(); | |
| 174 } | |
| 175 if ( (event->key.keysym.sym == SDLK_RETURN) && | |
| 176 (event->key.keysym.mod & KMOD_ALT) ) { | |
| 177 HotKey_ToggleFullScreen(); | |
| 178 } | |
| 179 return(0); | |
| 180 | |
| 181 /* Pass the video resize event through .. */ | |
| 182 case SDL_VIDEORESIZE: | |
| 183 return(1); | |
| 184 | |
| 185 /* This is important! Queue it if we want to quit. */ | |
| 186 case SDL_QUIT: | |
| 187 if ( ! reallyquit ) { | |
| 188 reallyquit = 1; | |
| 189 printf("Quit requested\n"); | |
| 190 return(0); | |
| 191 } | |
| 192 printf("Quit demanded\n"); | |
| 193 return(1); | |
| 194 | |
| 195 /* This will never happen because events queued directly | |
| 196 to the event queue are not filtered. | |
| 197 */ | |
| 198 case SDL_USEREVENT: | |
| 199 return(1); | |
| 200 | |
| 201 /* Drop all other events */ | |
| 202 default: | |
| 203 return(0); | |
| 204 } | |
| 205 } | |
| 206 | |
| 207 static Uint8 video_bpp; | |
| 208 static Uint32 video_flags; | |
| 209 | |
| 210 int SetVideoMode(int w, int h) | |
| 211 { | |
| 212 SDL_Surface *screen; | |
| 213 int i; | |
| 214 Uint8 *buffer; | |
| 215 SDL_Color palette[256]; | |
| 216 | |
| 217 screen = SDL_SetVideoMode(w, h, video_bpp, video_flags); | |
| 218 if ( screen == NULL ) { | |
| 219 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n", | |
| 220 w, h, video_bpp, SDL_GetError()); | |
| 221 return(-1); | |
| 222 } | |
| 223 printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ? | |
| 224 "fullscreen" : "windowed"); | |
| 225 | |
| 226 /* Set the surface pixels and refresh! */ | |
| 227 for ( i=0; i<256; ++i ) { | |
| 228 palette[i].r = 255-i; | |
| 229 palette[i].g = 255-i; | |
| 230 palette[i].b = 255-i; | |
| 231 } | |
| 232 SDL_SetColors(screen, palette, 0, 256); | |
| 233 if ( SDL_LockSurface(screen) < 0 ) { | |
| 234 fprintf(stderr, "Couldn't lock display surface: %s\n", | |
| 235 SDL_GetError()); | |
| 236 return(-1); | |
| 237 } | |
| 238 buffer = (Uint8 *)screen->pixels; | |
| 239 for ( i=0; i<screen->h; ++i ) { | |
| 240 memset(buffer,(i*255)/screen->h, | |
| 241 screen->w*screen->format->BytesPerPixel); | |
| 242 buffer += screen->pitch; | |
| 243 } | |
| 244 SDL_UnlockSurface(screen); | |
| 245 SDL_UpdateRect(screen, 0, 0, 0, 0); | |
| 246 | |
| 247 return(0); | |
| 248 } | |
| 249 | |
| 250 int main(int argc, char *argv[]) | |
| 251 { | |
| 252 SDL_Event event; | |
| 253 char *title; | |
| 254 SDL_Surface *icon; | |
| 255 Uint8 *icon_mask; | |
| 256 int parsed; | |
|
87
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
257 int w, h; |
| 0 | 258 |
| 259 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { | |
| 260 fprintf(stderr, | |
| 261 "Couldn't initialize SDL: %s\n", SDL_GetError()); | |
| 262 exit(1); | |
| 263 } | |
| 264 atexit(SDL_Quit); | |
| 265 | |
| 266 /* Check command line arguments */ | |
|
87
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
267 w = 640; |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
268 h = 480; |
| 0 | 269 video_bpp = 8; |
| 270 video_flags = SDL_SWSURFACE; | |
| 271 parsed = 1; | |
| 272 while ( parsed ) { | |
| 273 if ( (argc >= 2) && (strcmp(argv[1], "-fullscreen") == 0) ) { | |
| 274 video_flags |= SDL_FULLSCREEN; | |
| 275 argc -= 1; | |
| 276 argv += 1; | |
| 277 } else | |
| 278 if ( (argc >= 2) && (strcmp(argv[1], "-resize") == 0) ) { | |
| 279 video_flags |= SDL_RESIZABLE; | |
| 280 argc -= 1; | |
| 281 argv += 1; | |
| 282 } else | |
| 283 if ( (argc >= 2) && (strcmp(argv[1], "-noframe") == 0) ) { | |
| 284 video_flags |= SDL_NOFRAME; | |
| 285 argc -= 1; | |
| 286 argv += 1; | |
| 287 } else | |
|
87
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
288 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
|
289 w = atoi(argv[2]); |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
290 argc -= 2; |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
291 argv += 2; |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
292 } else |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
293 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
|
294 h = atoi(argv[2]); |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
295 argc -= 2; |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
296 argv += 2; |
|
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
297 } else |
| 0 | 298 if ( (argc >= 3) && (strcmp(argv[1], "-bpp") == 0) ) { |
| 299 video_bpp = atoi(argv[2]); | |
| 300 argc -= 2; | |
| 301 argv += 2; | |
| 302 } else { | |
| 303 parsed = 0; | |
| 304 } | |
| 305 } | |
| 306 | |
| 307 /* Set the icon -- this must be done before the first mode set */ | |
| 308 icon = LoadIconSurface("icon.bmp", &icon_mask); | |
| 309 if ( icon != NULL ) { | |
| 310 SDL_WM_SetIcon(icon, icon_mask); | |
| 311 } | |
| 312 if ( icon_mask != NULL ) | |
| 313 free(icon_mask); | |
| 314 | |
| 315 /* Set the title bar */ | |
| 316 if ( argv[1] == NULL ) | |
| 317 title = "Testing 1.. 2.. 3..."; | |
| 318 else | |
| 319 title = argv[1]; | |
| 320 SDL_WM_SetCaption(title, "testwm"); | |
| 321 | |
| 322 /* See if it's really set */ | |
| 323 SDL_WM_GetCaption(&title, NULL); | |
| 324 if ( title ) | |
| 325 printf("Title was set to: %s\n", title); | |
| 326 else | |
| 327 printf("No window title was set!\n"); | |
| 328 | |
| 329 /* Initialize the display */ | |
|
87
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
330 if ( SetVideoMode(w, h) < 0 ) { |
| 0 | 331 return(1); |
| 332 } | |
| 333 | |
| 334 /* Set an event filter that discards everything but QUIT */ | |
| 335 SDL_SetEventFilter(FilterEvents); | |
| 336 | |
| 337 /* Ignore key up events, they don't even get filtered */ | |
| 338 SDL_EventState(SDL_KEYUP, SDL_IGNORE); | |
| 339 | |
| 340 /* Loop, waiting for QUIT */ | |
| 341 while ( SDL_WaitEvent(&event) ) { | |
| 342 switch (event.type) { | |
| 343 case SDL_VIDEORESIZE: | |
| 344 printf("Got a resize event: %dx%d\n", | |
| 345 event.resize.w, event.resize.h); | |
| 346 SetVideoMode(event.resize.w, event.resize.h); | |
| 347 break; | |
| 348 case SDL_USEREVENT: | |
| 349 printf("Handling internal quit request\n"); | |
| 350 /* Fall through to the quit handler */ | |
| 351 case SDL_QUIT: | |
| 352 printf("Bye bye..\n"); | |
| 353 return(0); | |
| 354 default: | |
| 355 /* This should never happen */ | |
| 356 printf("Warning: Event %d wasn't filtered\n", | |
| 357 event.type); | |
| 358 break; | |
| 359 } | |
| 360 } | |
| 361 printf("SDL_WaitEvent() error: %s\n", SDL_GetError()); | |
| 362 return(255); | |
| 363 } |