diff test/threadwin.c @ 1895:c121d94672cb

SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 10 Jul 2006 21:04:37 +0000
parents 290b5baf2fca
children 40888832d785
line wrap: on
line diff
--- a/test/threadwin.c	Thu Jul 06 18:01:37 2006 +0000
+++ b/test/threadwin.c	Mon Jul 10 21:04:37 2006 +0000
@@ -15,323 +15,327 @@
 static int visible = 1;
 
 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
-static void quit(int rc)
+static void
+quit(int rc)
 {
-	SDL_Quit();
-	exit(rc);
+    SDL_Quit();
+    exit(rc);
 }
 
-SDL_Surface *LoadIconSurface(char *file, Uint8 **maskp)
+SDL_Surface *
+LoadIconSurface(char *file, Uint8 ** maskp)
 {
-	SDL_Surface *icon;
-	Uint8       *pixels;
-	Uint8       *mask;
-	int          mlen, i;
+    SDL_Surface *icon;
+    Uint8 *pixels;
+    Uint8 *mask;
+    int mlen, i;
 
-	*maskp = NULL;
+    *maskp = NULL;
 
-	/* Load the icon surface */
-	icon = SDL_LoadBMP(file);
-	if ( icon == NULL ) {
-		fprintf(stderr, "Couldn't load %s: %s\n", file, SDL_GetError());
-		return(NULL);
-	}
+    /* Load the icon surface */
+    icon = SDL_LoadBMP(file);
+    if (icon == NULL) {
+        fprintf(stderr, "Couldn't load %s: %s\n", file, SDL_GetError());
+        return (NULL);
+    }
 
-	/* Check width and height */
-	if ( (icon->w%8) != 0 ) {
-		fprintf(stderr, "Icon width must be a multiple of 8!\n");
-		SDL_FreeSurface(icon);
-		return(NULL);
-	}
-	if ( icon->format->palette == NULL ) {
-		fprintf(stderr, "Icon must have a palette!\n");
-		SDL_FreeSurface(icon);
-		return(NULL);
-	}
+    /* Check width and height */
+    if ((icon->w % 8) != 0) {
+        fprintf(stderr, "Icon width must be a multiple of 8!\n");
+        SDL_FreeSurface(icon);
+        return (NULL);
+    }
+    if (icon->format->palette == NULL) {
+        fprintf(stderr, "Icon must have a palette!\n");
+        SDL_FreeSurface(icon);
+        return (NULL);
+    }
 
-	/* Set the colorkey */
-	SDL_SetColorKey(icon, SDL_SRCCOLORKEY, *((Uint8 *)icon->pixels));
+    /* Set the colorkey */
+    SDL_SetColorKey(icon, SDL_SRCCOLORKEY, *((Uint8 *) icon->pixels));
 
-	/* Create the mask */
-	pixels = (Uint8 *)icon->pixels;
-	printf("Transparent pixel: (%d,%d,%d)\n",
-				icon->format->palette->colors[*pixels].r,
-				icon->format->palette->colors[*pixels].g,
-				icon->format->palette->colors[*pixels].b);
-	mlen = icon->w*icon->h;
-	mask = (Uint8 *)malloc(mlen/8);
-	if ( mask == NULL ) {
-		fprintf(stderr, "Out of memory!\n");
-		SDL_FreeSurface(icon);
-		return(NULL);
-	}
-	memset(mask, 0, mlen/8);
-	for ( i=0; i<mlen; ) {
-		if ( pixels[i] != *pixels )
-			mask[i/8] |= 0x01;
-		++i;
-		if ( (i%8) != 0 )
-			mask[i/8] <<= 1;
-	}
-	*maskp = mask;
-	return(icon);
+    /* Create the mask */
+    pixels = (Uint8 *) icon->pixels;
+    printf("Transparent pixel: (%d,%d,%d)\n",
+           icon->format->palette->colors[*pixels].r,
+           icon->format->palette->colors[*pixels].g,
+           icon->format->palette->colors[*pixels].b);
+    mlen = icon->w * icon->h;
+    mask = (Uint8 *) malloc(mlen / 8);
+    if (mask == NULL) {
+        fprintf(stderr, "Out of memory!\n");
+        SDL_FreeSurface(icon);
+        return (NULL);
+    }
+    memset(mask, 0, mlen / 8);
+    for (i = 0; i < mlen;) {
+        if (pixels[i] != *pixels)
+            mask[i / 8] |= 0x01;
+        ++i;
+        if ((i % 8) != 0)
+            mask[i / 8] <<= 1;
+    }
+    *maskp = mask;
+    return (icon);
 }
 
-int SDLCALL FilterEvents(const SDL_Event *event)
+int SDLCALL
+FilterEvents(void *userdata, SDL_Event * event)
 {
-	static int reallyquit = 0;
+    static int reallyquit = 0;
 
-	switch (event->type) {
+    switch (event->type) {
 
-		case SDL_ACTIVEEVENT:
-			/* See what happened */
-			printf("App %s ",
-				event->active.gain ? "gained" : "lost");
-			if ( event->active.state & SDL_APPACTIVE )
-				printf("active ");
-			if ( event->active.state & SDL_APPMOUSEFOCUS )
-				printf("mouse ");
-			if ( event->active.state & SDL_APPINPUTFOCUS )
-				printf("input ");
-			printf("focus\n");
+    case SDL_ACTIVEEVENT:
+        /* See what happened */
+        printf("App %s ", event->active.gain ? "gained" : "lost");
+        if (event->active.state & SDL_APPACTIVE)
+            printf("active ");
+        if (event->active.state & SDL_APPMOUSEFOCUS)
+            printf("mouse ");
+        if (event->active.state & SDL_APPINPUTFOCUS)
+            printf("input ");
+        printf("focus\n");
 
-			/* See if we are iconified or restored */
-			if ( event->active.state & SDL_APPACTIVE ) {
-				printf("App has been %s\n",
-					event->active.gain ?
-						 "restored" : "iconified");
-			}
-			return(0);
+        /* See if we are iconified or restored */
+        if (event->active.state & SDL_APPACTIVE) {
+            printf("App has been %s\n",
+                   event->active.gain ? "restored" : "iconified");
+        }
+        return (0);
 
-		/* This is important!  Queue it if we want to quit. */
-		case SDL_QUIT:
-			if ( ! reallyquit ) {
-				reallyquit = 1;
-				printf("Quit requested\n");
-				return(0);
-			}
-			printf("Quit demanded\n");
-			return(1);
+        /* This is important!  Queue it if we want to quit. */
+    case SDL_QUIT:
+        if (!reallyquit) {
+            reallyquit = 1;
+            printf("Quit requested\n");
+            return (0);
+        }
+        printf("Quit demanded\n");
+        return (1);
 
-		/* Mouse and keyboard events go to threads */
-		case SDL_MOUSEMOTION:
-		case SDL_MOUSEBUTTONDOWN:
-		case SDL_MOUSEBUTTONUP:
-		case SDL_KEYDOWN:
-		case SDL_KEYUP:
-			return(1);
+        /* Mouse and keyboard events go to threads */
+    case SDL_MOUSEMOTION:
+    case SDL_MOUSEBUTTONDOWN:
+    case SDL_MOUSEBUTTONUP:
+    case SDL_KEYDOWN:
+    case SDL_KEYUP:
+        return (1);
 
-		/* Drop all other events */
-		default:
-			return(0);
-	}
+        /* Drop all other events */
+    default:
+        return (0);
+    }
 }
 
-int SDLCALL HandleMouse(void *unused)
+int SDLCALL
+HandleMouse(void *unused)
 {
-	SDL_Event events[10];
-	int i, found;
-	Uint32 mask;
+    SDL_Event events[10];
+    int i, found;
+    Uint32 mask;
 
-	/* Handle mouse events here */
-	mask = (SDL_MOUSEMOTIONMASK|SDL_MOUSEBUTTONDOWNMASK|SDL_MOUSEBUTTONUPMASK);
-	while ( ! done ) {
-		found = SDL_PeepEvents(events, 10, SDL_GETEVENT, mask);
-		for ( i=0; i<found; ++i ) {
-			switch(events[i].type) {
-				/* We want to toggle visibility on buttonpress */
-				case SDL_MOUSEBUTTONDOWN:
-				case SDL_MOUSEBUTTONUP:
-					if ( events[i].button.state == SDL_PRESSED ) {
-						visible = !visible;
-						SDL_ShowCursor(visible);
-					}
-					printf("Mouse button %d has been %s\n",
-						events[i].button.button,
-						(events[i].button.state == SDL_PRESSED) ?
-						"pressed" : "released");
-					break;
-				/* Show relative mouse motion */
-				case SDL_MOUSEMOTION:
-					printf("Mouse relative motion: {%d,%d}\n",
-							events[i].motion.xrel, events[i].motion.yrel);
-					break;
-			}
-		}
-		/* Give up some CPU to allow events to arrive */
-		SDL_Delay(20);
-	}
-	return(0);
+    /* Handle mouse events here */
+    mask =
+        (SDL_MOUSEMOTIONMASK | SDL_MOUSEBUTTONDOWNMASK |
+         SDL_MOUSEBUTTONUPMASK);
+    while (!done) {
+        found = SDL_PeepEvents(events, 10, SDL_GETEVENT, mask);
+        for (i = 0; i < found; ++i) {
+            switch (events[i].type) {
+                /* We want to toggle visibility on buttonpress */
+            case SDL_MOUSEBUTTONDOWN:
+            case SDL_MOUSEBUTTONUP:
+                if (events[i].button.state == SDL_PRESSED) {
+                    visible = !visible;
+                    SDL_ShowCursor(visible);
+                }
+                printf("Mouse button %d has been %s\n",
+                       events[i].button.button,
+                       (events[i].button.state == SDL_PRESSED) ?
+                       "pressed" : "released");
+                break;
+                /* Show relative mouse motion */
+            case SDL_MOUSEMOTION:
+                printf("Mouse relative motion: {%d,%d}\n",
+                       events[i].motion.xrel, events[i].motion.yrel);
+                break;
+            }
+        }
+        /* Give up some CPU to allow events to arrive */
+        SDL_Delay(20);
+    }
+    return (0);
 }
 
-int SDLCALL HandleKeyboard(void *unused)
+int SDLCALL
+HandleKeyboard(void *unused)
 {
-	SDL_Event events[10];
-	int i, found;
-	Uint32 mask;
+    SDL_Event events[10];
+    int i, found;
+    Uint32 mask;
 
-	/* Handle mouse events here */
-	mask = (SDL_KEYDOWNMASK|SDL_KEYUPMASK);
-	while ( ! done ) {
-		found = SDL_PeepEvents(events, 10, SDL_GETEVENT, mask);
-		for ( i=0; i<found; ++i ) {
-			switch(events[i].type) {
-			    /* We want to toggle visibility on buttonpress */
-			    case SDL_KEYDOWN:
-			    case SDL_KEYUP:
-			    	printf("Key '%c' has been %s\n",
-						events[i].key.keysym.unicode,
-					(events[i].key.state == SDL_PRESSED) ?
-						"pressed" : "released");
+    /* Handle mouse events here */
+    mask = (SDL_KEYDOWNMASK | SDL_KEYUPMASK);
+    while (!done) {
+        found = SDL_PeepEvents(events, 10, SDL_GETEVENT, mask);
+        for (i = 0; i < found; ++i) {
+            switch (events[i].type) {
+                /* We want to toggle visibility on buttonpress */
+            case SDL_KEYDOWN:
+            case SDL_KEYUP:
+                printf("Key '%c' has been %s\n",
+                       events[i].key.keysym.unicode,
+                       (events[i].key.state == SDL_PRESSED) ?
+                       "pressed" : "released");
 
-			    	/* Allow hitting <ESC> to quit the app */
-			    	if ( events[i].key.keysym.sym == SDLK_ESCAPE ) {
-			    		done = 1;
-			    	}
+                /* Allow hitting <ESC> to quit the app */
+                if (events[i].key.keysym.sym == SDLK_ESCAPE) {
+                    done = 1;
+                }
 
-					/* skip events now that aren't KEYUPs... */
-					if (events[i].key.state == SDL_PRESSED)
-						break;
+                /* skip events now that aren't KEYUPs... */
+                if (events[i].key.state == SDL_PRESSED)
+                    break;
 
-			    	if ( events[i].key.keysym.sym == SDLK_f ) {
-						int rc = 0;
-						printf("attempting to toggle fullscreen...\n");
-						rc = SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
-                        printf("SDL_WM_ToggleFullScreen returned %d.\n", rc);
-			    	}
+                if (events[i].key.keysym.sym == SDLK_f) {
+                    int rc = 0;
+                    printf("attempting to toggle fullscreen...\n");
+                    rc = SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
+                    printf("SDL_WM_ToggleFullScreen returned %d.\n", rc);
+                }
 
-			    	if ( events[i].key.keysym.sym == SDLK_g ) {
-						SDL_GrabMode m;
-						m = SDL_WM_GrabInput(SDL_GRAB_QUERY) == SDL_GRAB_ON ?
-								SDL_GRAB_OFF : SDL_GRAB_ON;
-						printf("attempting to toggle input grab to %s...\n",
-                                m == SDL_GRAB_ON ? "ON" : "OFF");
-                        SDL_WM_GrabInput(m);
-						printf("attempt finished.\n");
-			    	}
+                if (events[i].key.keysym.sym == SDLK_g) {
+                    SDL_GrabMode m;
+                    m = SDL_WM_GrabInput(SDL_GRAB_QUERY) ==
+                        SDL_GRAB_ON ? SDL_GRAB_OFF : SDL_GRAB_ON;
+                    printf
+                        ("attempting to toggle input grab to %s...\n",
+                         m == SDL_GRAB_ON ? "ON" : "OFF");
+                    SDL_WM_GrabInput(m);
+                    printf("attempt finished.\n");
+                }
 
-			    	break;
-			}
-		}
-		/* Give up some CPU to allow events to arrive */
-		SDL_Delay(20);
-	}
-	return(0);
+                break;
+            }
+        }
+        /* Give up some CPU to allow events to arrive */
+        SDL_Delay(20);
+    }
+    return (0);
 }
 
-int main(int argc, char *argv[])
+int
+main(int argc, char *argv[])
 {
-	SDL_Surface *screen;
-	SDL_Surface *icon;
-	Uint8 *icon_mask;
-	int i, parsed;
-	Uint8 *buffer;
-	SDL_Color palette[256];
-	Uint32 init_flags;
-	Uint8  video_bpp;
-	Uint32 video_flags;
-	SDL_Thread *mouse_thread;
-	SDL_Thread *keybd_thread;
+    SDL_Surface *screen;
+    SDL_Surface *icon;
+    Uint8 *icon_mask;
+    int i, parsed;
+    Uint8 *buffer;
+    SDL_Color palette[256];
+    Uint32 init_flags;
+    Uint8 video_bpp;
+    Uint32 video_flags;
+    SDL_Thread *mouse_thread;
+    SDL_Thread *keybd_thread;
 
-	/* Set the options, based on command line arguments */
-	init_flags = SDL_INIT_VIDEO;
-	video_bpp = 8;
-	video_flags = SDL_SWSURFACE;
-	parsed = 1;
-	while ( parsed ) {
-		/* If the threaded option is enabled, and the SDL library hasn't
-		   been compiled with threaded events enabled, then the mouse and
-		   keyboard won't respond.
-		 */
-		if ( (argc >= 2) && (strcmp(argv[1], "-threaded") == 0) ) {
-			init_flags |= SDL_INIT_EVENTTHREAD;
-			argc -= 1;
-			argv += 1;
-			printf("Running with threaded events\n");
-		} else
-		if ( (argc >= 2) && (strcmp(argv[1], "-fullscreen") == 0) ) {
-			video_flags |= SDL_FULLSCREEN;
-			argc -= 1;
-			argv += 1;
-		} else
-		if ( (argc >= 3) && (strcmp(argv[1], "-bpp") == 0) ) {
-			video_bpp = atoi(argv[2]);
-			argc -= 2;
-			argv += 2;
-		} else {
-			parsed = 0;
-		}
-	}
+    /* Set the options, based on command line arguments */
+    init_flags = SDL_INIT_VIDEO;
+    video_bpp = 8;
+    video_flags = SDL_SWSURFACE;
+    parsed = 1;
+    while (parsed) {
+        /* If the threaded option is enabled, and the SDL library hasn't
+           been compiled with threaded events enabled, then the mouse and
+           keyboard won't respond.
+         */
+        if ((argc >= 2) && (strcmp(argv[1], "-threaded") == 0)) {
+            init_flags |= SDL_INIT_EVENTTHREAD;
+            argc -= 1;
+            argv += 1;
+            printf("Running with threaded events\n");
+        } else if ((argc >= 2) && (strcmp(argv[1], "-fullscreen") == 0)) {
+            video_flags |= SDL_FULLSCREEN;
+            argc -= 1;
+            argv += 1;
+        } else if ((argc >= 3) && (strcmp(argv[1], "-bpp") == 0)) {
+            video_bpp = atoi(argv[2]);
+            argc -= 2;
+            argv += 2;
+        } else {
+            parsed = 0;
+        }
+    }
 
-	/* Initialize SDL with the requested flags */
-	if ( SDL_Init(init_flags) < 0 ) {
-		fprintf(stderr,
-			"Couldn't initialize SDL: %s\n", SDL_GetError());
-		return(1);
-	}
+    /* Initialize SDL with the requested flags */
+    if (SDL_Init(init_flags) < 0) {
+        fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
+        return (1);
+    }
+
+    /* Set the icon -- this must be done before the first mode set */
+    icon = LoadIconSurface("icon.bmp", &icon_mask);
+    if (icon != NULL) {
+        SDL_WM_SetIcon(icon, icon_mask);
+    }
+    if (icon_mask != NULL)
+        free(icon_mask);
 
-	/* Set the icon -- this must be done before the first mode set */
-	icon = LoadIconSurface("icon.bmp", &icon_mask);
-	if ( icon != NULL ) {
-		SDL_WM_SetIcon(icon, icon_mask);
-	}
-	if ( icon_mask != NULL )
-		free(icon_mask);
+    /* Initialize the display */
+    screen = SDL_SetVideoMode(640, 480, video_bpp, video_flags);
+    if (screen == NULL) {
+        fprintf(stderr, "Couldn't set 640x480x%d video mode: %s\n",
+                video_bpp, SDL_GetError());
+        quit(1);
+    }
+    printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ?
+           "fullscreen" : "windowed");
 
-	/* Initialize the display */
-	screen = SDL_SetVideoMode(640, 480, video_bpp, video_flags);
-	if (  screen == NULL ) {
-		fprintf(stderr, "Couldn't set 640x480x%d video mode: %s\n",
-						video_bpp, SDL_GetError());
-		quit(1);
-	}
-	printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ?
-						"fullscreen" : "windowed");
+    /* Enable printable characters */
+    SDL_EnableUNICODE(1);
 
-	/* Enable printable characters */
-	SDL_EnableUNICODE(1);
+    /* Set an event filter that discards everything but QUIT */
+    SDL_SetEventFilter(FilterEvents, NULL);
 
-	/* Set an event filter that discards everything but QUIT */
-	SDL_SetEventFilter(FilterEvents);
-
-	/* Create the event handling threads */
-	mouse_thread = SDL_CreateThread(HandleMouse, NULL);
-	keybd_thread = SDL_CreateThread(HandleKeyboard, NULL);
+    /* Create the event handling threads */
+    mouse_thread = SDL_CreateThread(HandleMouse, NULL);
+    keybd_thread = SDL_CreateThread(HandleKeyboard, NULL);
 
-	/* Set the surface pixels and refresh! */
-	for ( i=0; i<256; ++i ) {
-		palette[i].r = 255-i;
-		palette[i].g = 255-i;
-		palette[i].b = 255-i;
-	}
-	SDL_SetColors(screen, palette, 0, 256);
-	if ( SDL_LockSurface(screen) < 0 ) {
-		fprintf(stderr, "Couldn't lock display surface: %s\n",
-							SDL_GetError());
-		quit(2);
-	}
-	buffer = (Uint8 *)screen->pixels;
-	for ( i=0; i<screen->h; ++i ) {
-		memset(buffer,(i*255)/screen->h,
-				screen->w*screen->format->BytesPerPixel);
-		buffer += screen->pitch;
-	}
-	SDL_UnlockSurface(screen);
-	SDL_UpdateRect(screen, 0, 0, 0, 0);
+    /* Set the surface pixels and refresh! */
+    for (i = 0; i < 256; ++i) {
+        palette[i].r = 255 - i;
+        palette[i].g = 255 - i;
+        palette[i].b = 255 - i;
+    }
+    SDL_SetColors(screen, palette, 0, 256);
+    if (SDL_LockSurface(screen) < 0) {
+        fprintf(stderr, "Couldn't lock display surface: %s\n",
+                SDL_GetError());
+        quit(2);
+    }
+    buffer = (Uint8 *) screen->pixels;
+    for (i = 0; i < screen->h; ++i) {
+        memset(buffer, (i * 255) / screen->h,
+               screen->w * screen->format->BytesPerPixel);
+        buffer += screen->pitch;
+    }
+    SDL_UnlockSurface(screen);
+    SDL_UpdateRect(screen, 0, 0, 0, 0);
 
-	/* Loop, waiting for QUIT */
-	while ( ! done ) {
-		if ( ! (init_flags & SDL_INIT_EVENTTHREAD) ) {
-			SDL_PumpEvents(); /* Needed when event thread is off */
-		}
-		if ( SDL_PeepEvents(NULL, 0, SDL_PEEKEVENT, SDL_QUITMASK) ) {
-			done = 1;
-		}
-		/* Give up some CPU so the events can accumulate */
-		SDL_Delay(20);
-	}
-	SDL_WaitThread(mouse_thread, NULL);
-	SDL_WaitThread(keybd_thread, NULL);
-	SDL_Quit();
-	return(0);
+    /* Loop, waiting for QUIT */
+    while (!done) {
+        if (!(init_flags & SDL_INIT_EVENTTHREAD)) {
+            SDL_PumpEvents();   /* Needed when event thread is off */
+        }
+        if (SDL_PeepEvents(NULL, 0, SDL_PEEKEVENT, SDL_QUITMASK)) {
+            done = 1;
+        }
+        /* Give up some CPU so the events can accumulate */
+        SDL_Delay(20);
+    }
+    SDL_WaitThread(mouse_thread, NULL);
+    SDL_WaitThread(keybd_thread, NULL);
+    SDL_Quit();
+    return (0);
 }