src/video/uikit/SDL_uikitevents.m
author Holmes Futrell <hfutrell@umail.ucsb.edu>
Thu, 17 Jul 2008 22:48:23 +0000
branchgsoc2008_iphone
changeset 2355 eec14ed2bb18
child 2425 491958a6c881
permissions -rw-r--r--
These files contain the events related functions for the UIKit video driver. Right now this is just UIKit_PumpEvents.
     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 #include "SDL_config.h"
    23 
    24 /* Being a null driver, there's no event stream. We just define stubs for
    25    most of the API. */
    26 
    27 #include "SDL.h"
    28 #include "../../events/SDL_sysevents.h"
    29 #include "../../events/SDL_events_c.h"
    30 
    31 #include "SDL_uikitvideo.h"
    32 #include "SDL_uikitevents.h"
    33 
    34 #import <Foundation/Foundation.h>
    35 #include "jump.h"
    36 
    37 void
    38 UIKit_PumpEvents(_THIS)
    39 {
    40 	/* 
    41 		When the user presses the 'home' button on the iPod
    42 		the application exits -- immediatly.
    43 	 
    44 		Unlike in Mac OS X, it appears there is no way to cancel the termination.
    45 	 
    46 		This doesn't give the SDL user's application time to respond to an SDL_Quit event.
    47 		So what we do is that in the UIApplicationDelegate class (SDLUIApplicationDelegate),
    48 		when the delegate receives the ApplicationWillTerminate message, we execute
    49 		a longjmp statement to get back here, preventing an immediate exit.
    50 	 
    51 	 */	
    52 	if (setjmp(*jump_env()) != 0) {
    53 		NSLog(@"Bam! We're back");
    54 	}
    55 	else {
    56 		SInt32 result;
    57 		do {
    58 			result = CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, TRUE);
    59 		} while(result == kCFRunLoopRunHandledSource);
    60 
    61 	}
    62 
    63 }
    64 
    65 /* vi: set ts=4 sw=4 expandtab: */