1/*
2    SDL - Simple DirectMedia Layer
3    Copyright (C) 1997-2012 Sam Lantinga
4
5    This library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Lesser General Public
7    License as published by the Free Software Foundation; either
8    version 2.1 of the License, or (at your option) any later version.
9
10    This library is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13    Lesser General Public License for more details.
14
15    You should have received a copy of the GNU Lesser General Public
16    License along with this library; if not, write to the Free Software
17    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18
19    Sam Lantinga
20    slouken@libsdl.org
21*/
22#include "SDL_config.h"
23
24/* Refresh event handling code for SDL */
25
26#include "SDL_events.h"
27#include "SDL_events_c.h"
28
29
30/* This is global for SDL_eventloop.c */
31int SDL_PrivateExpose(void)
32{
33	int posted;
34	SDL_Event events[32];
35
36	/* Pull out all old refresh events */
37	SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]),
38	                    SDL_GETEVENT, SDL_VIDEOEXPOSEMASK);
39
40	/* Post the event, if desired */
41	posted = 0;
42	if ( SDL_ProcessEvents[SDL_VIDEOEXPOSE] == SDL_ENABLE ) {
43		SDL_Event event;
44		event.type = SDL_VIDEOEXPOSE;
45		if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) {
46			posted = 1;
47			SDL_PushEvent(&event);
48		}
49	}
50	return(posted);
51}
52