src/video/uikit/SDL_uikitmessagebox.m
author Sam Lantinga <slouken@libsdl.org>
Sun, 14 Jul 2013 11:28:44 -0700
changeset 7776 d4a39491577f
parent 7191 75360622e65f
child 8093 b43765095a6f
permissions -rw-r--r--
Added the platform specific messagebox function to the video function list
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
     4 
     5   This software is provided 'as-is', without any express or implied
     6   warranty.  In no event will the authors be held liable for any damages
     7   arising from the use of this software.
     8 
     9   Permission is granted to anyone to use this software for any purpose,
    10   including commercial applications, and to alter it and redistribute it
    11   freely, subject to the following restrictions:
    12 
    13   1. The origin of this software must not be misrepresented; you must not
    14      claim that you wrote the original software. If you use this software
    15      in a product, an acknowledgment in the product documentation would be
    16      appreciated but is not required.
    17   2. Altered source versions must be plainly marked as such, and must not be
    18      misrepresented as being the original software.
    19   3. This notice may not be removed or altered from any source distribution.
    20 */
    21 #include "SDL_config.h"
    22 
    23 #if SDL_VIDEO_DRIVER_UIKIT
    24 
    25 #include "SDL.h"
    26 #include "SDL_uikitvideo.h"
    27 
    28 
    29 /* Display a UIKit message box */
    30 
    31 static SDL_bool s_showingMessageBox = SDL_FALSE;
    32 
    33 @interface UIKit_UIAlertViewDelegate : NSObject <UIAlertViewDelegate> {
    34 @private
    35     int *clickedButtonIndex;
    36 }
    37 
    38 - (id)initWithButtonIndex:(int *)_buttonIndex;
    39 - (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex;
    40 
    41 @end
    42 
    43 @implementation UIKit_UIAlertViewDelegate
    44 
    45 - (id)initWithButtonIndex:(int *)buttonIndex
    46 {
    47     self = [self init];
    48     if (self == nil) {
    49         return nil;
    50     }
    51     self->clickedButtonIndex = buttonIndex;
    52 
    53     return self;
    54 }
    55 
    56 - (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex;
    57 {
    58     *clickedButtonIndex = buttonIndex;
    59 }
    60 
    61 @end /* UIKit_UIAlertViewDelegate */
    62 
    63 
    64 SDL_bool
    65 UIKit_ShowingMessageBox()
    66 {
    67     return s_showingMessageBox;
    68 }
    69 
    70 int
    71 UIKit_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
    72 {
    73     int clicked;
    74 
    75     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
    76 
    77     UIAlertView* alert = [[UIAlertView alloc] init];
    78 
    79     alert.title = [NSString stringWithUTF8String:messageboxdata->title];
    80     alert.message = [NSString stringWithUTF8String:messageboxdata->message];
    81     alert.delegate = [[UIKit_UIAlertViewDelegate alloc] initWithButtonIndex:&clicked];
    82 
    83     const SDL_MessageBoxButtonData *buttons = messageboxdata->buttons;
    84     int i;
    85     for (i = 0; i < messageboxdata->numbuttons; ++i) {
    86         [alert addButtonWithTitle:[[NSString alloc] initWithUTF8String:buttons[i].text]];
    87     }
    88 
    89     /* Set up for showing the alert */
    90     clicked = messageboxdata->numbuttons;
    91 
    92     [alert show];
    93 
    94     /* Run the main event loop until the alert has finished */
    95     /* Note that this needs to be done on the main thread */
    96     s_showingMessageBox = SDL_TRUE;
    97     while (clicked == messageboxdata->numbuttons) {
    98         [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]];
    99     }
   100     s_showingMessageBox = SDL_FALSE;
   101 
   102     *buttonid = messageboxdata->buttons[clicked].buttonid;
   103 
   104     [alert.delegate release];
   105     [alert release];
   106 
   107     [pool release];
   108 
   109     return 0;
   110 }
   111 
   112 #endif /* SDL_VIDEO_DRIVER_UIKIT */
   113 
   114 /* vi: set ts=4 sw=4 expandtab: */