Added UIKit implementation of SDL messagebox

Xcode-iOS/SDL/SDL.xcodeproj/project.pbxproj

@@ -157,6 +157,8 @@
 		AA7558CA1595D55500BBD41B /* SDL.h in Headers */ = {isa = PBXBuildFile; fileRef = AA7558971595D55500BBD41B /* SDL.h */; };
 		AA9781C91576A7FA00472542 /* libSDL2.a in Frameworks */ = {isa = PBXBuildFile; fileRef = FD6526630DE8FCCB002AD96B /* libSDL2.a */; };
 		AA9FF9511637C6E5000DF050 /* SDL_messagebox.h in Headers */ = {isa = PBXBuildFile; fileRef = AA9FF9501637C6E5000DF050 /* SDL_messagebox.h */; };
+		AABCC3941640643D00AB8930 /* SDL_uikitmessagebox.h in Headers */ = {isa = PBXBuildFile; fileRef = AABCC3921640643D00AB8930 /* SDL_uikitmessagebox.h */; };
+		AABCC3951640643D00AB8930 /* SDL_uikitmessagebox.m in Sources */ = {isa = PBXBuildFile; fileRef = AABCC3931640643D00AB8930 /* SDL_uikitmessagebox.m */; };
 		FD3F4A760DEA620800C5B771 /* SDL_getenv.c in Sources */ = {isa = PBXBuildFile; fileRef = FD3F4A700DEA620800C5B771 /* SDL_getenv.c */; };
 		FD3F4A770DEA620800C5B771 /* SDL_iconv.c in Sources */ = {isa = PBXBuildFile; fileRef = FD3F4A710DEA620800C5B771 /* SDL_iconv.c */; };
 		FD3F4A780DEA620800C5B771 /* SDL_malloc.c in Sources */ = {isa = PBXBuildFile; fileRef = FD3F4A720DEA620800C5B771 /* SDL_malloc.c */; };
@@ -412,6 +414,8 @@
 		AA7558961595D55500BBD41B /* SDL_video.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL_video.h; sourceTree = "<group>"; };
 		AA7558971595D55500BBD41B /* SDL.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL.h; sourceTree = "<group>"; };
 		AA9FF9501637C6E5000DF050 /* SDL_messagebox.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL_messagebox.h; sourceTree = "<group>"; };
+		AABCC3921640643D00AB8930 /* SDL_uikitmessagebox.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL_uikitmessagebox.h; sourceTree = "<group>"; };
+		AABCC3931640643D00AB8930 /* SDL_uikitmessagebox.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SDL_uikitmessagebox.m; sourceTree = "<group>"; };
 		FD0BBFEF0E3933DD00D833B1 /* SDL_uikitview.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL_uikitview.h; sourceTree = "<group>"; };
 		FD3F4A700DEA620800C5B771 /* SDL_getenv.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = SDL_getenv.c; sourceTree = "<group>"; };
 		FD3F4A710DEA620800C5B771 /* SDL_iconv.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = SDL_iconv.c; sourceTree = "<group>"; };
@@ -854,6 +858,8 @@
 				FD689FCC0E26E9D400F90B21 /* SDL_uikitappdelegate.m */,
 				FD689F0C0E26E5D900F90B21 /* SDL_uikitevents.h */,
 				FD689F0D0E26E5D900F90B21 /* SDL_uikitevents.m */,
+				AABCC3921640643D00AB8930 /* SDL_uikitmessagebox.h */,
+				AABCC3931640643D00AB8930 /* SDL_uikitmessagebox.m */,
 				AA126AD21617C5E6005ABC8F /* SDL_uikitmodes.h */,
 				AA126AD31617C5E6005ABC8F /* SDL_uikitmodes.m */,
 				FD689F0E0E26E5D900F90B21 /* SDL_uikitopengles.h */,
@@ -1252,6 +1258,7 @@
 				AA126AD41617C5E7005ABC8F /* SDL_uikitmodes.h in Headers */,
 				AA704DD6162AA90A0076D1C1 /* SDL_dropevents_c.h in Headers */,
 				AA9FF9511637C6E5000DF050 /* SDL_messagebox.h in Headers */,
+				AABCC3941640643D00AB8930 /* SDL_uikitmessagebox.h in Headers */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -1470,6 +1477,7 @@
 				AA628ADB159369E3005138DD /* SDL_rotate.c in Sources */,
 				AA126AD51617C5E7005ABC8F /* SDL_uikitmodes.m in Sources */,
 				AA704DD7162AA90A0076D1C1 /* SDL_dropevents.c in Sources */,
+				AABCC3951640643D00AB8930 /* SDL_uikitmessagebox.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

src/video/SDL_video.c

@@ -2844,6 +2844,9 @@ SDL_IsScreenKeyboardShown(SDL_Window *window)
 #if SDL_VIDEO_DRIVER_COCOA
 #include "cocoa/SDL_cocoamessagebox.h"
 #endif
+#if SDL_VIDEO_DRIVER_UIKIT
+#include "uikit/SDL_uikitmessagebox.h"
+#endif
 #if SDL_VIDEO_DRIVER_X11
 #include "x11/SDL_x11messagebox.h"
 #endif
@@ -2868,6 +2871,11 @@ SDL_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
         return 0;
     }
 #endif
+#if SDL_VIDEO_DRIVER_UIKIT
+    if (UIKit_ShowMessageBox(messageboxdata, buttonid) == 0) {
+        return 0;
+    }
+#endif
 #if SDL_VIDEO_DRIVER_X11
     if (X11_ShowMessageBox(messageboxdata, buttonid) == 0) {
         return 0;

src/video/uikit/SDL_uikitmessagebox.h

@@ -0,0 +1,29 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_config.h"
+
+#if SDL_VIDEO_DRIVER_UIKIT
+
+extern int UIKit_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid);
+
+#endif /* SDL_VIDEO_DRIVER_UIKIT */
+
+/* vi: set ts=4 sw=4 expandtab: */

src/video/uikit/SDL_uikitmessagebox.m

@@ -0,0 +1,101 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_config.h"
+
+#if SDL_VIDEO_DRIVER_UIKIT
+
+#include "SDL.h"
+#include "SDL_uikitvideo.h"
+
+
+/* Display a UIKit message box */
+
+
+@interface UIKit_UIAlertViewDelegate : NSObject <UIAlertViewDelegate> {
+@private
+    int *clickedButtonIndex;
+}
+
+- (id)initWithButtonIndex:(int *)_buttonIndex;
+- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex;
+
+@end
+
+@implementation UIKit_UIAlertViewDelegate
+
+- (id)initWithButtonIndex:(int *)buttonIndex
+{
+    self = [self init];
+    if (self == nil) {
+        return nil;
+    }
+    self->clickedButtonIndex = buttonIndex;
+    
+    return self;
+}
+
+- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex;
+{
+    *clickedButtonIndex = buttonIndex;
+}
+
+@end // UIKit_UIAlertViewDelegate
+
+
+int
+UIKit_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
+{
+    int clicked;
+    
+    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+    UIAlertView* alert = [[UIAlertView alloc] init];
+
+    alert.title = [[NSString alloc] initWithUTF8String:messageboxdata->title];
+    alert.message = [[NSString alloc] initWithUTF8String:messageboxdata->message];
+    alert.delegate = [[UIKit_UIAlertViewDelegate alloc] initWithButtonIndex:&clicked];
+
+    const SDL_MessageBoxButtonData *buttons = messageboxdata->buttons;
+    int i;
+    for (i = 0; i < messageboxdata->numbuttons; ++i) {
+        [alert addButtonWithTitle:[[NSString alloc] initWithUTF8String:buttons[i].text]];
+    }
+
+    // Set up for showing the alert
+    clicked = messageboxdata->numbuttons;
+
+    [alert show];
+    
+    // Run the main event loop until the alert has finished
+    // Note that this needs to be done on the main thread
+    while (clicked == messageboxdata->numbuttons) {
+        [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]];
+    }
+    *buttonid = messageboxdata->buttons[clicked].buttonid;
+
+    [pool release];
+
+    return 0;
+}
+
+#endif /* SDL_VIDEO_DRIVER_UIKIT */
+
+/* vi: set ts=4 sw=4 expandtab: */