Mercurial > sdl-ios-xcode
annotate test/testwm.c @ 1022:3d4f1930ed02
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author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 04 Jan 2005 19:04:14 +0000 |
parents | 3eddf51b649b |
children | be9c9c8f6d53 |
rev | line source |
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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 } |