From d603bb30e60f5d6a555a3b1bd2bdc47156216b61 Mon Sep 17 00:00:00 2001
From: Alex Szpakowski <slime73@gmail.com>
Date: Tue, 5 May 2015 16:16:10 -0300
Subject: [PATCH] Fixed a crash on iOS when none of the orientations in
 Info.plist match the SDL window's actual orientation.

Fixes bug #2967.
---
 Xcode-iOS/SDL/SDL.xcodeproj/project.pbxproj | 11 ++++----
 src/video/uikit/SDL_uikitwindow.m           | 28 ++++++++++++++++-----
 2 files changed, 28 insertions(+), 11 deletions(-)

diff --git a/Xcode-iOS/SDL/SDL.xcodeproj/project.pbxproj b/Xcode-iOS/SDL/SDL.xcodeproj/project.pbxproj
index 747f150bff261..d680b494d1d8d 100755
--- a/Xcode-iOS/SDL/SDL.xcodeproj/project.pbxproj
+++ b/Xcode-iOS/SDL/SDL.xcodeproj/project.pbxproj
@@ -1082,7 +1082,7 @@
 		29B97313FDCFA39411CA2CEA /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0420;
+				LastUpgradeCheck = 0630;
 			};
 			buildConfigurationList = C01FCF4E08A954540054247B /* Build configuration list for PBXProject "SDL" */;
 			compatibilityVersion = "Xcode 3.2";
@@ -1253,7 +1253,8 @@
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 3.1.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.1.1;
+				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
@@ -1265,7 +1266,7 @@
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 3.1.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.1.1;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
@@ -1278,10 +1279,10 @@
 				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_OBJC_IMPLICIT_ATOMIC_PROPERTIES = YES;
 				COPY_PHASE_STRIP = NO;
-				IPHONEOS_DEPLOYMENT_TARGET = 5.1.1;
 				GCC_WARN_MULTIPLE_DEFINITION_TYPES_FOR_SELECTOR = YES;
 				GCC_WARN_STRICT_SELECTOR_MATCH = YES;
 				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.1.1;
 				PRODUCT_NAME = SDL2;
 				SKIP_INSTALL = YES;
 			};
@@ -1294,10 +1295,10 @@
 				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_OBJC_IMPLICIT_ATOMIC_PROPERTIES = YES;
 				COPY_PHASE_STRIP = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 5.1.1;
 				GCC_WARN_MULTIPLE_DEFINITION_TYPES_FOR_SELECTOR = YES;
 				GCC_WARN_STRICT_SELECTOR_MATCH = YES;
 				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.1.1;
 				PRODUCT_NAME = SDL2;
 				SKIP_INSTALL = YES;
 			};
diff --git a/src/video/uikit/SDL_uikitwindow.m b/src/video/uikit/SDL_uikitwindow.m
index e65732cf60a73..4010ca68c7239 100644
--- a/src/video/uikit/SDL_uikitwindow.m
+++ b/src/video/uikit/SDL_uikitwindow.m
@@ -191,13 +191,10 @@ static int SetupWindowData(_THIS, SDL_Window *window, UIWindow *uiwindow, SDL_bo
         }
 
         if (data.uiscreen == [UIScreen mainScreen]) {
-            NSUInteger orientations = UIKit_GetSupportedOrientations(window);
-            UIApplication *app = [UIApplication sharedApplication];
-
             if (window->flags & (SDL_WINDOW_FULLSCREEN|SDL_WINDOW_BORDERLESS)) {
-                app.statusBarHidden = YES;
+                [UIApplication sharedApplication].statusBarHidden = YES;
             } else {
-                app.statusBarHidden = NO;
+                [UIApplication sharedApplication].statusBarHidden = NO;
             }
         }
 
@@ -345,9 +342,21 @@ static int SetupWindowData(_THIS, SDL_Window *window, UIWindow *uiwindow, SDL_bo
 UIKit_GetSupportedOrientations(SDL_Window * window)
 {
     const char *hint = SDL_GetHint(SDL_HINT_ORIENTATIONS);
+    NSUInteger validOrientations = UIInterfaceOrientationMaskAll;
     NSUInteger orientationMask = 0;
 
     @autoreleasepool {
+        SDL_WindowData *data = (__bridge SDL_WindowData *) window->driverdata;
+        UIApplication *app = [UIApplication sharedApplication];
+
+        /* Get all possible valid orientations. If the app delegate doesn't tell
+         * us, we get the orientations from Info.plist via UIApplication. */
+        if ([app.delegate respondsToSelector:@selector(application:supportedInterfaceOrientationsForWindow:)]) {
+            validOrientations = [app.delegate application:app supportedInterfaceOrientationsForWindow:data.uiwindow];
+        } else if ([app respondsToSelector:@selector(supportedInterfaceOrientationsForWindow:)]) {
+            validOrientations = [app supportedInterfaceOrientationsForWindow:data.uiwindow];
+        }
+
         if (hint != NULL) {
             NSArray *orientations = [@(hint) componentsSeparatedByString:@" "];
 
@@ -379,10 +388,17 @@ static int SetupWindowData(_THIS, SDL_Window *window, UIWindow *uiwindow, SDL_bo
             }
         }
 
-        /* Don't allow upside-down orientation on the phone, so answering calls is in the natural orientation */
+        /* Don't allow upside-down orientation on phones, so answering calls is in the natural orientation */
         if ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPhone) {
             orientationMask &= ~UIInterfaceOrientationMaskPortraitUpsideDown;
         }
+
+        /* If none of the specified orientations are actually supported by the
+         * app, we'll revert to what the app supports. An exception would be
+         * thrown by the system otherwise. */
+        if ((validOrientations & orientationMask) == 0) {
+            orientationMask = validOrientations;
+        }
     }
 
     return orientationMask;