Beispiel #1
0
/* This function (and associated calls) may be called more than once */
int
SDL_StartEventLoop(Uint32 flags)
{
    int retcode;

    /* Clean out the event queue */
    SDL_EventThread = NULL;
    SDL_EventQ.lock = NULL;
    SDL_StopEventLoop();

    /* No filter to start with, process most event types */
    SDL_EventOK = NULL;
    SDL_memset(SDL_ProcessEvents, SDL_ENABLE, sizeof(SDL_ProcessEvents));
    SDL_eventstate = ~0;
    /* It's not save to call SDL_EventState() yet */
    SDL_eventstate &= ~(0x00000001 << SDL_SYSWMEVENT);
    SDL_ProcessEvents[SDL_SYSWMEVENT] = SDL_IGNORE;

    /* Initialize event handlers */
    retcode = 0;
    retcode += SDL_KeyboardInit();
    retcode += SDL_MouseInit();
    retcode += SDL_QuitInit();
    if (retcode < 0) {
        /* We don't expect them to fail, but... */
        return (-1);
    }

    /* Create the lock and event thread */
    if (SDL_StartEventThread(flags) < 0) {
        SDL_StopEventLoop();
        return (-1);
    }
    return (0);
}
int SDL_StartEventLoop(Uint32 flags)
{
	int retcode;

	
	SDL_EventThread = NULL;
	SDL_EventQ.lock = NULL;
	SDL_StopEventLoop();

	
	SDL_EventOK = NULL;
	SDL_memset(SDL_ProcessEvents,SDL_ENABLE,sizeof(SDL_ProcessEvents));
	SDL_eventstate = ~0;
	
	SDL_eventstate &= ~(0x00000001 << SDL_SYSWMEVENT);
	SDL_ProcessEvents[SDL_SYSWMEVENT] = SDL_IGNORE;

	
	retcode = 0;
	retcode += SDL_AppActiveInit();
	retcode += SDL_KeyboardInit();
	retcode += SDL_MouseInit();
	retcode += SDL_QuitInit();
	if ( retcode < 0 ) {
		
		return(-1);
	}

	
	if ( SDL_StartEventThread(flags) < 0 ) {
		SDL_StopEventLoop();
		return(-1);
	}
	return(0);
}