1 /*

     2     SDL - Simple DirectMedia Layer

     3     Copyright (C) 1997-2006 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 */

    31 int 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 }