0
+ − 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 "@(#) $Id$";
+ − 26 #endif
+ − 27
+ − 28 /* Resize event handling code for SDL */
+ − 29
+ − 30 #include "SDL_events.h"
+ − 31 #include "SDL_events_c.h"
+ − 32 #include "SDL_sysvideo.h"
+ − 33
+ − 34
+ − 35 /* Keep the last resize event so we don't post duplicates */
+ − 36 static struct {
+ − 37 int w;
+ − 38 int h;
+ − 39 } last_resize;
+ − 40
+ − 41 /* This is global for SDL_eventloop.c */
+ − 42 int SDL_PrivateResize(int w, int h)
+ − 43 {
+ − 44 int posted;
+ − 45 SDL_Event events[32];
+ − 46
+ − 47 /* See if this event would change the video surface */
+ − 48 if ( !w || !h ||
+ − 49 ((last_resize.w == w) && (last_resize.h == h)) ) {
+ − 50 return(0);
+ − 51 }
+ − 52 last_resize.w = w;
+ − 53 last_resize.h = h;
+ − 54 if ( ! SDL_VideoSurface ||
+ − 55 ((w == SDL_VideoSurface->w) && (h == SDL_VideoSurface->h)) ) {
+ − 56 return(0);
+ − 57 }
+ − 58
+ − 59 /* Pull out all old resize events */
+ − 60 SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]),
+ − 61 SDL_GETEVENT, SDL_VIDEORESIZEMASK);
+ − 62
+ − 63 /* Post the event, if desired */
+ − 64 posted = 0;
+ − 65 if ( SDL_ProcessEvents[SDL_VIDEORESIZE] == SDL_ENABLE ) {
+ − 66 SDL_Event event;
+ − 67 event.type = SDL_VIDEORESIZE;
+ − 68 event.resize.w = w;
+ − 69 event.resize.h = h;
+ − 70 if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) {
+ − 71 posted = 1;
+ − 72 SDL_PushEvent(&event);
+ − 73 }
+ − 74 }
+ − 75 return(posted);
+ − 76 }
