src/events/SDL_expose.c
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FUNCTIONS
This source file includes following functions.
- SDL_PrivateExpose
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 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 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@devolution.com
21 */
22
23 #ifdef SAVE_RCSID
24 static char rcsid =
25 "@(#) $Id: SDL_expose.c,v 1.1.2.1 2001/03/05 17:09:44 hercules Exp $";
26 #endif
27
28 /* Refresh event handling code for SDL */
29
30 #include "SDL_events.h"
31 #include "SDL_events_c.h"
32
33
34 /* This is global for SDL_eventloop.c */
35 int SDL_PrivateExpose(void)
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36 {
37 int posted;
38 SDL_Event events[32];
39
40 /* Pull out all old refresh events */
41 SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]),
42 SDL_GETEVENT, SDL_VIDEOEXPOSEMASK);
43
44 /* Post the event, if desired */
45 posted = 0;
46 if ( SDL_ProcessEvents[SDL_VIDEOEXPOSE] == SDL_ENABLE ) {
47 SDL_Event event;
48 event.type = SDL_VIDEOEXPOSE;
49 if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) {
50 posted = 1;
51 SDL_PushEvent(&event);
52 }
53 }
54 return(posted);
55 }