1 /*

     2     SDL - Simple DirectMedia Layer

     3     Copyright (C) 1997-2006 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 

    23 /* Include file for SDL quit event handling */

    24 

    25 #ifndef _SDL_quit_h

    26 #define _SDL_quit_h

    27 

    28 #include "SDL_stdinc.h"

    29 #include "SDL_error.h"

    30 

    31 /* 

    32   An SDL_QUITEVENT is generated when the user tries to close the application

    33   window.  If it is ignored or filtered out, the window will remain open.

    34   If it is not ignored or filtered, it is queued normally and the window

    35   is allowed to close.  When the window is closed, screen updates will 

    36   complete, but have no effect.

    37 

    38   SDL_Init() installs signal handlers for SIGINT (keyboard interrupt)

    39   and SIGTERM (system termination request), if handlers do not already

    40   exist, that generate SDL_QUITEVENT events as well.  There is no way

    41   to determine the cause of an SDL_QUITEVENT, but setting a signal

    42   handler in your application will override the default generation of

    43   quit events for that signal.

    44 */

    45 

    46 /* There are no functions directly affecting the quit event */

    47 #define SDL_QuitRequested() \

    48         (SDL_PumpEvents(), SDL_PeepEvents(NULL,0,SDL_PEEKEVENT,SDL_QUITMASK))

    49 

    50 #endif /* _SDL_quit_h */