| 0,0 → 1,79 |
|---|
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 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 |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| |
| /* General quit handling code for SDL */ |
| |
| #include <stdio.h> |
| #ifndef NO_SIGNAL_H |
| #include <signal.h> |
| #endif |
| |
| #include "SDL_events.h" |
| #include "SDL_events_c.h" |
| |
| |
| #ifndef NO_SIGNAL_H |
| static void SDL_HandleSIG(int sig) |
| { |
| /* Reset the signal handler */ |
| signal(sig, SDL_HandleSIG); |
| |
| /* Signal a quit interrupt */ |
| SDL_PrivateQuit(); |
| } |
| #endif /* NO_SIGNAL_H */ |
| |
| /* Public functions */ |
| int SDL_QuitInit(void) |
| { |
| #ifndef NO_SIGNAL_H |
| void (*ohandler)(int); |
| |
| /* Both SIGINT and SIGTERM are translated into quit interrupts */ |
| ohandler = signal(SIGINT, SDL_HandleSIG); |
| if ( ohandler != SIG_DFL ) |
| signal(SIGINT, ohandler); |
| ohandler = signal(SIGTERM, SDL_HandleSIG); |
| if ( ohandler != SIG_DFL ) |
| signal(SIGTERM, ohandler); |
| #endif /* NO_SIGNAL_H */ |
| |
| /* That's it! */ |
| return(0); |
| } |
| |
| /* This function returns 1 if it's okay to close the application window */ |
| int SDL_PrivateQuit(void) |
| { |
| int posted; |
| |
| posted = 0; |
| if ( SDL_ProcessEvents[SDL_QUIT] == SDL_ENABLE ) { |
| SDL_Event event; |
| event.type = SDL_QUIT; |
| if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { |
| posted = 1; |
| SDL_PushEvent(&event); |
| } |
| } |
| return(posted); |
| } |