annotate src/events/SDL_expose.c @ 77:1e7e61b9b0f9

Don't crash if freeing a cursor after quit...
author Sam Lantinga <slouken@lokigames.com>
date Tue, 19 Jun 2001 21:07:12 +0000
parents 74212992fb08
children e8157fcb3114
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* Refresh event handling code for SDL */
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29
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30 #include "SDL_events.h"
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31 #include "SDL_events_c.h"
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32
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33
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34 /* This is global for SDL_eventloop.c */
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35 int SDL_PrivateExpose(void)
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36 {
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37 int posted;
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38 SDL_Event events[32];
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39
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40 /* Pull out all old refresh events */
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41 SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]),
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42 SDL_GETEVENT, SDL_VIDEOEXPOSEMASK);
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43
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44 /* Post the event, if desired */
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45 posted = 0;
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46 if ( SDL_ProcessEvents[SDL_VIDEOEXPOSE] == SDL_ENABLE ) {
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47 SDL_Event event;
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48 event.type = SDL_VIDEOEXPOSE;
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49 if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) {
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50 posted = 1;
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51 SDL_PushEvent(&event);
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52 }
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53 }
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54 return(posted);
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55 }