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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5131 | clevermous | 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
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| 3 | Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
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| 4 | |||
| 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 | |||
| 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 | |||
| 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 | |||
| 19 | Sam Lantinga |
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| 20 | slouken@devolution.com |
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| 21 | */ |
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| 22 | |||
| 23 | |||
| 24 | /* Resize event handling code for SDL */ |
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| 25 | |||
| 26 | #include "SDL_events.h" |
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| 27 | #include "SDL_events_c.h" |
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| 28 | #include "SDL_sysvideo.h" |
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| 29 | |||
| 30 | |||
| 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 | |||
| 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 | |||
| 43 | /* See if this event would change the video surface */ |
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| 44 | if ( !w || !h || |
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| 45 | ((last_resize.w == w) && (last_resize.h == h)) ) { |
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| 46 | return(0); |
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| 47 | } |
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| 48 | last_resize.w = w; |
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| 49 | last_resize.h = h; |
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| 50 | if ( ! SDL_VideoSurface || |
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| 51 | ((w == SDL_VideoSurface->w) && (h == SDL_VideoSurface->h)) ) { |
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| 52 | return(0); |
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| 53 | } |
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| 54 | |||
| 55 | /* Pull out all old resize events */ |
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| 56 | SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]), |
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| 57 | SDL_GETEVENT, SDL_VIDEORESIZEMASK); |
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| 58 | |||
| 59 | /* Post the event, if desired */ |
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| 60 | posted = 0; |
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| 61 | if ( SDL_ProcessEvents[SDL_VIDEORESIZE] == SDL_ENABLE ) { |
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| 62 | SDL_Event event; |
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| 63 | event.type = SDL_VIDEORESIZE; |
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| 64 | event.resize.w = w; |
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| 65 | event.resize.h = h; |
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| 66 | if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { |
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| 67 | posted = 1; |
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| 68 | SDL_PushEvent(&event); |
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| 69 | } |
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| 70 | } |
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| 71 | return(posted); |
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| 72 | } |