annotate src/events/SDL_resize.c @ 1476:14937d7b7527

Date: Mon, 6 Mar 2006 19:00:45 +0100 From: Patrice Mandin Subject: [SDL] Can not install generated sdl-config When building SDL when builddir != srcdir, then make install fails, because it tries to install sdl-config from srcdir, instead of builddir
author Sam Lantinga <slouken@libsdl.org>
date Mon, 06 Mar 2006 18:31:30 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /* Resize event handling code for SDL */
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25
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26 #include "SDL_events.h"
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27 #include "SDL_events_c.h"
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28 #include "../video/SDL_sysvideo.h"
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30
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31 /* Keep the last resize event so we don't post duplicates */
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32 static struct {
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33 int w;
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34 int h;
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35 } last_resize;
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36
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37 /* This is global for SDL_eventloop.c */
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38 int SDL_PrivateResize(int w, int h)
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39 {
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40 int posted;
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41 SDL_Event events[32];
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42
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43 /* See if this event would change the video surface */
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44 if ( !w || !h
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45 #ifndef __OS2__
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46 || ((last_resize.w == w) && (last_resize.h == h))
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47 #endif
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48 ) {
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49 return(0);
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50 }
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51 last_resize.w = w;
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52 last_resize.h = h;
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53 if ( ! SDL_VideoSurface ||
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54 ((w == SDL_VideoSurface->w) && (h == SDL_VideoSurface->h)) ) {
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55 return(0);
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56 }
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57
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58 /* Pull out all old resize events */
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59 SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]),
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60 SDL_GETEVENT, SDL_VIDEORESIZEMASK);
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61
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62 /* Post the event, if desired */
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63 posted = 0;
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64 if ( SDL_ProcessEvents[SDL_VIDEORESIZE] == SDL_ENABLE ) {
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65 SDL_Event event;
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66 event.type = SDL_VIDEORESIZE;
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67 event.resize.w = w;
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68 event.resize.h = h;
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69 if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) {
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70 posted = 1;
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71 SDL_PushEvent(&event);
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72 }
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73 }
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74 return(posted);
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75 }