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SDL_expose.c
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* Refresh event handling code for SDL */
#include "SDL_events.h"
#include "SDL_events_c.h"
/* This is global for SDL_eventloop.c */
int SDL_PrivateExpose(void)
{
int posted;
SDL_Event events[32];
/* Pull out all old refresh events */
SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]),
SDL_GETEVENT, SDL_VIDEOEXPOSEMASK);
/* Post the event, if desired */
posted = 0;
if ( SDL_ProcessEvents[SDL_VIDEOEXPOSE] == SDL_ENABLE ) {
SDL_Event event;
event.type = SDL_VIDEOEXPOSE;
if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) {
posted = 1;
SDL_PushEvent(&event);
}
}
return(posted);
}