include/SDL_quit.h
author Sam Lantinga <slouken@libsdl.org>
Fri, 10 Feb 2006 03:19:02 +0000
changeset 1356 67114343400d
parent 1312 c9b51268668f
child 1358 c71e05b4dc2e
permissions -rw-r--r--
*** empty log message ***
     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 
    30 /* 
    31   An SDL_QUITEVENT is generated when the user tries to close the application
    32   window.  If it is ignored or filtered out, the window will remain open.
    33   If it is not ignored or filtered, it is queued normally and the window
    34   is allowed to close.  When the window is closed, screen updates will 
    35   complete, but have no effect.
    36 
    37   SDL_Init() installs signal handlers for SIGINT (keyboard interrupt)
    38   and SIGTERM (system termination request), if handlers do not already
    39   exist, that generate SDL_QUITEVENT events as well.  There is no way
    40   to determine the cause of an SDL_QUITEVENT, but setting a signal
    41   handler in your application will override the default generation of
    42   quit events for that signal.
    43 */
    44 
    45 /* There are no functions directly affecting the quit event */
    46 #define SDL_QuitRequested() \
    47         (SDL_PumpEvents(), SDL_PeepEvents(NULL,0,SDL_PEEKEVENT,SDL_QUITMASK))
    48 
    49 #endif /* _SDL_quit_h */