nuclear@0: #include <SDL/SDL.h>
nuclear@0: #include "fbee.h"
nuclear@0: #include "fbeeimpl.h"
nuclear@0: 
nuclear@0: static int quit, dirty;
nuclear@0: static SDL_Surface *fbsurf;
nuclear@0: 
nuclear@0: int fbee_sys_init(void)
nuclear@0: {
nuclear@0: 	SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER);
nuclear@0: 	quit = 0;
nuclear@0: 	dirty = 1;
nuclear@0: 	return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: int fbee_sys_set_video(int width, int height, int bpp, unsigned int flags)
nuclear@0: {
nuclear@0: 	unsigned int sdl_flags = SDL_HWSURFACE;
nuclear@0: 	if(!(fbsurf = SDL_SetVideoMode(width, height, bpp, sdl_flags))) {
nuclear@0: 		fprintf(stderr, "failed to set video mode\n");
nuclear@0: 		return -1;
nuclear@0: 	}
nuclear@0: 	SDL_WM_SetCaption("fbee", "fbee");
nuclear@0: 	return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: int fbee_sys_get_video(int *width, int *height, int *bpp)
nuclear@0: {
nuclear@0: 	if(fbsurf) {
nuclear@0: 		*width = fbsurf->w;
nuclear@0: 		*height = fbsurf->h;
nuclear@0: 		*bpp = fbsurf->format->BitsPerPixel;
nuclear@0: 		return 0;
nuclear@0: 	}
nuclear@0: 	return -1;
nuclear@0: }
nuclear@0: 
nuclear@0: void fbee_sys_destroy(void)
nuclear@0: {
nuclear@0: 	SDL_Quit();
nuclear@0: }
nuclear@0: 
nuclear@0: int fbee_sys_process_events(void)
nuclear@0: {
nuclear@0: 	SDL_Event ev;
nuclear@0: 
nuclear@0: 	if(dirty) {
nuclear@0: 		struct closure *cb = fbee_get_callback(FBEE_EV_DRAW);
nuclear@0: 		if(cb) {
nuclear@0: 			cb->func(cb->cls);
nuclear@0: 			dirty = 0;
nuclear@0: 		}
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	if(!fbee_get_callback(FBEE_EV_IDLE)) {
nuclear@0: 		if(SDL_WaitEvent(&ev)) {
nuclear@0: 			SDL_PushEvent(&ev);
nuclear@0: 		}
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	while(SDL_PollEvent(&ev)) {
nuclear@0: 		struct closure *cb;
nuclear@0: 
nuclear@0: 		switch(ev.type) {
nuclear@0: 		case SDL_KEYDOWN:
nuclear@0: 		case SDL_KEYUP:
nuclear@0: 			if((cb = fbee_get_callback(FBEE_EV_KEY))) {
nuclear@0: 				int pressed = ev.key.state == SDL_PRESSED ? 1 : 0;
nuclear@0: 				cb->func(ev.key.keysym.sym, pressed, cb->cls);
nuclear@0: 			}
nuclear@0: 			break;
nuclear@0: 
nuclear@0: 		case SDL_MOUSEBUTTONDOWN:
nuclear@0: 		case SDL_MOUSEBUTTONUP:
nuclear@0: 			if((cb = fbee_get_callback(FBEE_EV_BUTTON))) {
nuclear@0: 				int pressed = ev.button.state == SDL_PRESSED ? 1 : 0;
nuclear@0: 				int idx = ev.button.button - SDL_BUTTON_LEFT;
nuclear@0: 				cb->func(idx, pressed, cb->cls);
nuclear@0: 			}
nuclear@0: 			break;
nuclear@0: 
nuclear@0: 		case SDL_MOUSEMOTION:
nuclear@0: 			if((cb = fbee_get_callback(FBEE_EV_MOTION))) {
nuclear@0: 				cb->func(ev.motion.x, ev.motion.y, cb->cls);
nuclear@0: 			}
nuclear@0: 			break;
nuclear@0: 
nuclear@0: 		case SDL_QUIT:
nuclear@0: 			quit = 1;
nuclear@0: 			return 0;
nuclear@0: 
nuclear@0: 		default:
nuclear@0: 			break;
nuclear@0: 		}
nuclear@0: 	}
nuclear@0: 	return 1;
nuclear@0: }
nuclear@0: 
nuclear@0: void fbee_sys_evloop(void)
nuclear@0: {
nuclear@0: 	while(!quit && fbee_sys_process_events()) {
nuclear@0: 		struct closure *cb = fbee_get_callback(FBEE_EV_IDLE);
nuclear@0: 		if(cb) {
nuclear@0: 			cb->func(cb->cls);
nuclear@0: 		}
nuclear@0: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: void fbee_redisplay(void)
nuclear@0: {
nuclear@0: 	dirty = 1;
nuclear@0: }
nuclear@0: 
nuclear@0: void *fbee_sys_framebuffer(void)
nuclear@0: {
nuclear@0: 	return fbsurf->pixels;
nuclear@0: }
nuclear@0: 
nuclear@0: void fbee_sys_update(void *img)
nuclear@0: {
nuclear@0: 	if(img && img != fbsurf->pixels) {
nuclear@0: 		if(SDL_MUSTLOCK(fbsurf)) {
nuclear@0: 			SDL_LockSurface(fbsurf);
nuclear@0: 		}
nuclear@0: 
nuclear@0: 		memcpy(fbsurf->pixels, img, fbsurf->pitch * fbsurf->h);
nuclear@0: 
nuclear@0: 		if(SDL_MUSTLOCK(fbsurf)) {
nuclear@0: 			SDL_UnlockSurface(fbsurf);
nuclear@0: 		}
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	SDL_UpdateRect(fbsurf, 0, 0, 0, 0);
nuclear@0: }