| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2012 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| Sam Lantinga |
| slouken@libsdl.org |
| */ |
| #include "SDL_config.h" |
| |
| /* Resize event handling code for SDL */ |
| |
| #include "SDL_events.h" |
| #include "SDL_events_c.h" |
| #include "../video/SDL_sysvideo.h" |
| |
| |
| /* Keep the last resize event so we don't post duplicates */ |
| static struct { |
| int w; |
| int h; |
| } last_resize; |
| |
| /* This is global for SDL_eventloop.c */ |
| int SDL_PrivateResize(int w, int h) |
| { |
| int posted; |
| SDL_Event events[32]; |
| |
| /* See if this event would change the video surface */ |
| if ( !w || !h || |
| (( last_resize.w == w ) && ( last_resize.h == h )) || |
| !SDL_VideoSurface ) { |
| return(0); |
| } |
| last_resize.w = w; |
| last_resize.h = h; |
| |
| SDL_SetMouseRange(w, h); |
| |
| /* Pull out all old resize events */ |
| SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]), |
| SDL_GETEVENT, SDL_VIDEORESIZEMASK); |
| |
| /* Post the event, if desired */ |
| posted = 0; |
| if ( SDL_ProcessEvents[SDL_VIDEORESIZE] == SDL_ENABLE ) { |
| SDL_Event event; |
| event.type = SDL_VIDEORESIZE; |
| event.resize.w = w; |
| event.resize.h = h; |
| if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { |
| posted = 1; |
| SDL_PushEvent(&event); |
| } |
| } |
| return(posted); |
| } |