| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 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 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | /* Refresh event handling code for SDL */ |
| 25 | |
| 26 | #include "SDL_events.h" |
| 27 | #include "SDL_events_c.h" |
| 28 | |
| 29 | |
| 30 | /* This is global for SDL_eventloop.c */ |
| 31 | int SDL_PrivateExpose(void) |
| 32 | { |
| 33 | int posted; |
| 34 | SDL_Event events[32]; |
| 35 | |
| 36 | /* Pull out all old refresh events */ |
| 37 | SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]), |
| 38 | SDL_GETEVENT, SDL_VIDEOEXPOSEMASK); |
| 39 | |
| 40 | /* Post the event, if desired */ |
| 41 | posted = 0; |
| 42 | if ( SDL_ProcessEvents[SDL_VIDEOEXPOSE] == SDL_ENABLE ) { |
| 43 | SDL_Event event; |
| 44 | event.type = SDL_VIDEOEXPOSE; |
| 45 | if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { |
| 46 | posted = 1; |
| 47 | SDL_PushEvent(&event); |
| 48 | } |
| 49 | } |
| 50 | return(posted); |
| 51 | } |