2 /* Test out the window manager interaction functions */
10 /* Is the cursor visible? */
11 static int visible = 1;
13 static Uint8 video_bpp;
14 static Uint32 video_flags;
16 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
17 static void quit(int rc)
23 int SetVideoMode(int w, int h)
28 SDL_Color palette[256];
30 screen = SDL_SetVideoMode(w, h, video_bpp, video_flags);
31 if ( screen == NULL ) {
32 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n",
33 w, h, video_bpp, SDL_GetError());
36 printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ?
37 "fullscreen" : "windowed");
39 /* Set the surface pixels and refresh! */
40 for ( i=0; i<256; ++i ) {
45 SDL_SetColors(screen, palette, 0, 256);
46 if ( SDL_LockSurface(screen) < 0 ) {
47 fprintf(stderr, "Couldn't lock display surface: %s\n",
51 buffer = (Uint8 *)screen->pixels;
52 for ( i=0; i<screen->h; ++i ) {
53 memset(buffer,(i*255)/screen->h,
54 screen->w*screen->format->BytesPerPixel);
55 buffer += screen->pitch;
57 SDL_UnlockSurface(screen);
58 SDL_UpdateRect(screen, 0, 0, 0, 0);
63 SDL_Surface *LoadIconSurface(char *file, Uint8 **maskp)
72 /* Load the icon surface */
73 icon = SDL_LoadBMP(file);
75 fprintf(stderr, "Couldn't load %s: %s\n", file, SDL_GetError());
79 /* Check width and height
80 if ( (icon->w%8) != 0 ) {
81 fprintf(stderr, "Icon width must be a multiple of 8!\n");
82 SDL_FreeSurface(icon);
88 if ( icon->format->palette == NULL ) {
89 fprintf(stderr, "Icon must have a palette!\n");
90 SDL_FreeSurface(icon);
94 /* Set the colorkey */
95 SDL_SetColorKey(icon, SDL_SRCCOLORKEY, *((Uint8 *)icon->pixels));
98 pixels = (Uint8 *)icon->pixels;
99 printf("Transparent pixel: (%d,%d,%d)\n",
100 icon->format->palette->colors[*pixels].r,
101 icon->format->palette->colors[*pixels].g,
102 icon->format->palette->colors[*pixels].b);
103 mlen = (icon->w*icon->h + 7) / 8;
104 mask = (Uint8 *)malloc(mlen);
105 if ( mask == NULL ) {
106 fprintf(stderr, "Out of memory!\n");
107 SDL_FreeSurface(icon);
110 memset(mask, 0, mlen);
111 for ( i=0; i < icon->h; i++)
112 for (j=0; j < icon->w; j++) {
113 int pindex = i * icon->pitch + j;
114 int mindex = i * icon->w + j;
115 if ( pixels[pindex] != *pixels )
116 mask[mindex>>3] |= 1 << (7 - (mindex & 7));
122 void HotKey_ToggleFullScreen(void)
126 screen = SDL_GetVideoSurface();
127 if ( SDL_WM_ToggleFullScreen(screen) ) {
128 printf("Toggled fullscreen mode - now %s\n",
129 (screen->flags&SDL_FULLSCREEN) ? "fullscreen" : "windowed");
131 printf("Unable to toggle fullscreen mode\n");
132 video_flags ^= SDL_FULLSCREEN;
133 SetVideoMode(screen->w, screen->h);
137 void HotKey_ToggleGrab(void)
141 printf("Ctrl-G: toggling input grab!\n");
142 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
143 if ( mode == SDL_GRAB_ON ) {
144 printf("Grab was on\n");
146 printf("Grab was off\n");
148 mode = SDL_WM_GrabInput(mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
149 if ( mode == SDL_GRAB_ON ) {
150 printf("Grab is now on\n");
152 printf("Grab is now off\n");
156 void HotKey_Iconify(void)
158 printf("Ctrl-Z: iconifying window!\n");
159 SDL_WM_IconifyWindow();
162 void HotKey_Quit(void)
166 printf("Posting internal quit request\n");
167 event.type = SDL_USEREVENT;
168 SDL_PushEvent(&event);
171 static void print_modifiers(void)
174 printf(" modifiers:");
175 mod = SDL_GetModState();
180 if(mod & KMOD_LSHIFT)
182 if(mod & KMOD_RSHIFT)
204 static void PrintKey(const SDL_keysym *sym, int pressed)
206 /* Print the keycode, name and state */
208 printf("Key %s: %d-%s ", pressed ? "pressed" : "released",
209 sym->sym, SDL_GetKeyName(sym->sym));
211 printf("Unknown Key (scancode = %d) %s ", sym->scancode,
212 pressed ? "pressed" : "released");
215 /* Print the translated character, if one exists */
216 if ( sym->unicode ) {
217 /* Is it a control-character? */
218 if ( sym->unicode < ' ' ) {
219 printf(" (^%c)", sym->unicode+'@');
222 printf(" (%c)", sym->unicode);
224 /* This is a Latin-1 program, so only show 8-bits */
225 if ( !(sym->unicode & 0xFF00) )
226 printf(" (%c)", sym->unicode);
228 printf(" (0x%X)", sym->unicode);
236 int SDLCALL FilterEvents(const SDL_Event *event)
238 static int reallyquit = 0;
240 switch (event->type) {
242 case SDL_ACTIVEEVENT:
243 /* See what happened */
245 event->active.gain ? "gained" : "lost");
246 if ( event->active.state & SDL_APPACTIVE )
248 if ( event->active.state & SDL_APPINPUTFOCUS )
250 if ( event->active.state & SDL_APPMOUSEFOCUS )
254 /* See if we are iconified or restored */
255 if ( event->active.state & SDL_APPACTIVE ) {
256 printf("App has been %s\n",
258 "restored" : "iconified");
262 /* We want to toggle visibility on buttonpress */
263 case SDL_MOUSEBUTTONDOWN:
264 case SDL_MOUSEBUTTONUP:
265 if ( event->button.state == SDL_PRESSED ) {
267 SDL_ShowCursor(visible);
269 printf("Mouse button %d has been %s\n",
270 event->button.button,
271 (event->button.state == SDL_PRESSED) ?
272 "pressed" : "released");
275 /* Show relative mouse motion */
276 case SDL_MOUSEMOTION:
278 printf("Mouse motion: {%d,%d} (%d,%d)\n",
279 event->motion.x, event->motion.y,
280 event->motion.xrel, event->motion.yrel);
285 PrintKey(&event->key.keysym, 1);
286 if ( event->key.keysym.sym == SDLK_ESCAPE ) {
289 if ( (event->key.keysym.sym == SDLK_g) &&
290 (event->key.keysym.mod & KMOD_CTRL) ) {
293 if ( (event->key.keysym.sym == SDLK_z) &&
294 (event->key.keysym.mod & KMOD_CTRL) ) {
297 if ( (event->key.keysym.sym == SDLK_RETURN) &&
298 (event->key.keysym.mod & KMOD_ALT) ) {
299 HotKey_ToggleFullScreen();
304 PrintKey(&event->key.keysym, 0);
307 /* Pass the video resize event through .. */
308 case SDL_VIDEORESIZE:
311 /* This is important! Queue it if we want to quit. */
313 if ( ! reallyquit ) {
315 printf("Quit requested\n");
318 printf("Quit demanded\n");
321 /* This will never happen because events queued directly
322 to the event queue are not filtered.
327 /* Drop all other events */
333 int main(int argc, char *argv[])
342 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
344 "Couldn't initialize SDL: %s\n", SDL_GetError());
348 /* Check command line arguments */
352 video_flags = SDL_SWSURFACE;
355 if ( (argc >= 2) && (strcmp(argv[1], "-fullscreen") == 0) ) {
356 video_flags |= SDL_FULLSCREEN;
360 if ( (argc >= 2) && (strcmp(argv[1], "-resize") == 0) ) {
361 video_flags |= SDL_RESIZABLE;
365 if ( (argc >= 2) && (strcmp(argv[1], "-noframe") == 0) ) {
366 video_flags |= SDL_NOFRAME;
370 if ( (argc >= 3) && (strcmp(argv[1], "-width") == 0) ) {
375 if ( (argc >= 3) && (strcmp(argv[1], "-height") == 0) ) {
380 if ( (argc >= 3) && (strcmp(argv[1], "-bpp") == 0) ) {
381 video_bpp = atoi(argv[2]);
389 /* Set the icon -- this must be done before the first mode set */
390 icon = LoadIconSurface("icon.bmp", &icon_mask);
391 if ( icon != NULL ) {
392 SDL_WM_SetIcon(icon, icon_mask);
394 if ( icon_mask != NULL )
397 /* Set the title bar */
398 if ( argv[1] == NULL )
399 title = "Testing 1.. 2.. 3...";
402 SDL_WM_SetCaption(title, "testwm");
404 /* See if it's really set */
405 SDL_WM_GetCaption(&title, NULL);
407 printf("Title was set to: %s\n", title);
409 printf("No window title was set!\n");
411 /* Initialize the display */
412 if ( SetVideoMode(w, h) < 0 ) {
416 /* Set an event filter that discards everything but QUIT */
417 SDL_SetEventFilter(FilterEvents);
419 /* Loop, waiting for QUIT */
420 while ( SDL_WaitEvent(&event) ) {
421 switch (event.type) {
422 case SDL_VIDEORESIZE:
423 printf("Got a resize event: %dx%d\n",
424 event.resize.w, event.resize.h);
425 SetVideoMode(event.resize.w, event.resize.h);
428 printf("Handling internal quit request\n");
429 /* Fall through to the quit handler */
431 printf("Bye bye..\n");
434 /* This should never happen */
435 printf("Warning: Event %d wasn't filtered\n",
440 printf("SDL_WaitEvent() error: %s\n", SDL_GetError());