kc3-lang/SDL

diff --git a/Xcode/SDL/SDL.xcodeproj/project.pbxproj b/Xcode/SDL/SDL.xcodeproj/project.pbxproj
index 9fc2a50..9d685da 100755
--- a/Xcode/SDL/SDL.xcodeproj/project.pbxproj
+++ b/Xcode/SDL/SDL.xcodeproj/project.pbxproj
@@ -2774,7 +2774,7 @@
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_OPTIMIZATION_LEVEL = 3;
 				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				SDKROOT = macosx;
 				STRIP_STYLE = "non-global";
 			};
@@ -2832,7 +2832,7 @@
 				GCC_ENABLE_SSE3_EXTENSIONS = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
 				STRIP_INSTALLED_PRODUCT = NO;
diff --git a/Xcode/SDLTest/SDLTest.xcodeproj/project.pbxproj b/Xcode/SDLTest/SDLTest.xcodeproj/project.pbxproj
index 59cdd63..144d24c 100755
--- a/Xcode/SDLTest/SDLTest.xcodeproj/project.pbxproj
+++ b/Xcode/SDLTest/SDLTest.xcodeproj/project.pbxproj
@@ -3934,7 +3934,7 @@
 				);
 				GCC_OPTIMIZATION_LEVEL = 0;
 				HEADER_SEARCH_PATHS = ../../include;
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
 			};
 			name = Debug;
 		};
@@ -4060,7 +4060,7 @@
 				);
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				HEADER_SEARCH_PATHS = ../../include;
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
 			};
 			name = Release;
 		};
diff --git a/build-scripts/g++-fat.sh b/build-scripts/g++-fat.sh
index 29b0430..0dbe990 100755
--- a/build-scripts/g++-fat.sh
+++ b/build-scripts/g++-fat.sh
@@ -6,11 +6,11 @@
 
 DEVELOPER="`xcode-select -print-path`/Platforms/MacOSX.platform/Developer"
 
-# Intel 32-bit compiler flags (10.5 runtime compatibility)
-GCC_COMPILE_X86="g++ -arch i386 -mmacosx-version-min=10.5 \
+# Intel 32-bit compiler flags (10.6 runtime compatibility)
+GCC_COMPILE_X86="g++ -arch i386 -mmacosx-version-min=10.6 \
 -I/usr/local/include"
 
-GCC_LINK_X86="-mmacosx-version-min=10.5"
+GCC_LINK_X86="-mmacosx-version-min=10.6"
 
 # Intel 64-bit compiler flags (10.6 runtime compatibility)
 GCC_COMPILE_X64="g++ -arch x86_64 -mmacosx-version-min=10.6 \
diff --git a/build-scripts/gcc-fat.sh b/build-scripts/gcc-fat.sh
index e556c1d..bfc72b8 100755
--- a/build-scripts/gcc-fat.sh
+++ b/build-scripts/gcc-fat.sh
@@ -6,11 +6,11 @@
 
 DEVELOPER="`xcode-select -print-path`/Platforms/MacOSX.platform/Developer"
 
-# Intel 32-bit compiler flags (10.5 runtime compatibility)
-GCC_COMPILE_X86="gcc -arch i386 -mmacosx-version-min=10.5 \
+# Intel 32-bit compiler flags (10.6 runtime compatibility)
+GCC_COMPILE_X86="gcc -arch i386 -mmacosx-version-min=10.6 \
 -I/usr/local/include"
 
-GCC_LINK_X86="-mmacosx-version-min=10.5"
+GCC_LINK_X86="-mmacosx-version-min=10.6"
 
 # Intel 64-bit compiler flags (10.6 runtime compatibility)
 GCC_COMPILE_X64="gcc -arch x86_64 -mmacosx-version-min=10.6 \
diff --git a/include/SDL_platform.h b/include/SDL_platform.h
index c6c2139..974cafc 100644
--- a/include/SDL_platform.h
+++ b/include/SDL_platform.h
@@ -79,9 +79,9 @@
 /* if not compiling for iPhone */
 #undef __MACOSX__
 #define __MACOSX__  1
-#if MAC_OS_X_VERSION_MIN_REQUIRED < 1050
-# error SDL for Mac OS X only supports deploying on 10.5 and above.
-#endif /* MAC_OS_X_VERSION_MIN_REQUIRED < 1050 */
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+# error SDL for Mac OS X only supports deploying on 10.6 and above.
+#endif /* MAC_OS_X_VERSION_MIN_REQUIRED < 1060 */
 #endif /* TARGET_OS_IPHONE */
 #endif /* defined(__APPLE__) */
 
diff --git a/src/audio/coreaudio/SDL_coreaudio.c b/src/audio/coreaudio/SDL_coreaudio.c
index 46b617d..3641d53 100644
--- a/src/audio/coreaudio/SDL_coreaudio.c
+++ b/src/audio/coreaudio/SDL_coreaudio.c
@@ -406,13 +406,7 @@ COREAUDIO_CloseDevice(_THIS)
             AudioUnitSetProperty(this->hidden->audioUnit,
                                  kAudioUnitProperty_SetRenderCallback,
                                  scope, bus, &callback, sizeof(callback));
-
-            #if MACOSX_COREAUDIO
-            CloseComponent(this->hidden->audioUnit);
-            #else
             AudioComponentInstanceDispose(this->hidden->audioUnit);
-            #endif
-
             this->hidden->audioUnitOpened = 0;
         }
         SDL_free(this->hidden->buffer);
@@ -482,13 +476,8 @@ prepare_audiounit(_THIS, void *handle, int iscapture,
 {
     OSStatus result = noErr;
     AURenderCallbackStruct callback;
-#if MACOSX_COREAUDIO
-    ComponentDescription desc;
-    Component comp = NULL;
-#else
     AudioComponentDescription desc;
     AudioComponent comp = NULL;
-#endif
     const AudioUnitElement output_bus = 0;
     const AudioUnitElement input_bus = 1;
     const AudioUnitElement bus = ((iscapture) ? input_bus : output_bus);
@@ -507,11 +496,10 @@ prepare_audiounit(_THIS, void *handle, int iscapture,
 
 #if MACOSX_COREAUDIO
     desc.componentSubType = kAudioUnitSubType_DefaultOutput;
-    comp = FindNextComponent(NULL, &desc);
 #else
     desc.componentSubType = kAudioUnitSubType_RemoteIO;
-    comp = AudioComponentFindNext(NULL, &desc);
 #endif
+    comp = AudioComponentFindNext(NULL, &desc);
 
     if (comp == NULL) {
         SDL_SetError("Couldn't find requested CoreAudio component");
@@ -519,17 +507,8 @@ prepare_audiounit(_THIS, void *handle, int iscapture,
     }
 
     /* Open & initialize the audio unit */
-#if MACOSX_COREAUDIO
-    result = OpenAComponent(comp, &this->hidden->audioUnit);
-    CHECK_RESULT("OpenAComponent");
-#else
-    /*
-       AudioComponentInstanceNew only available on iPhone OS 2.0 and Mac OS X 10.6
-       We can't use OpenAComponent on iPhone because it is not present
-     */
     result = AudioComponentInstanceNew(comp, &this->hidden->audioUnit);
     CHECK_RESULT("AudioComponentInstanceNew");
-#endif
 
     this->hidden->audioUnitOpened = 1;
 
diff --git a/src/joystick/darwin/SDL_sysjoystick.c b/src/joystick/darwin/SDL_sysjoystick.c
index 6dd306a..65cd2fc 100644
--- a/src/joystick/darwin/SDL_sysjoystick.c
+++ b/src/joystick/darwin/SDL_sysjoystick.c
@@ -422,6 +422,7 @@ JoystickDeviceWasAddedCallback(void *ctx, IOReturn res, void *sender, IOHIDDevic
 {
     recDevice *device;
     int device_index = 0;
+    io_service_t ioservice;
 
     if (res != kIOReturnSuccess) {
         return;
@@ -451,20 +452,11 @@ JoystickDeviceWasAddedCallback(void *ctx, IOReturn res, void *sender, IOHIDDevic
     device->instance_id = ++s_joystick_instance_id;
 
     /* We have to do some storage of the io_service_t for SDL_HapticOpenFromJoystick */
-
-#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
-    if (IOHIDDeviceGetService != NULL) {  /* weak reference: available in 10.6 and later. */
-#endif
-
-        const io_service_t ioservice = IOHIDDeviceGetService(ioHIDDeviceObject);
+    ioservice = IOHIDDeviceGetService(ioHIDDeviceObject);
 #if SDL_HAPTIC_IOKIT
-        if ((ioservice) && (FFIsForceFeedback(ioservice) == FF_OK)) {
-            device->ffservice = ioservice;
-            MacHaptic_MaybeAddDevice(ioservice);
-        }
-#endif
-
-#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+    if ((ioservice) && (FFIsForceFeedback(ioservice) == FF_OK)) {
+        device->ffservice = ioservice;
+        MacHaptic_MaybeAddDevice(ioservice);
     }
 #endif
 
diff --git a/src/video/cocoa/SDL_cocoaclipboard.m b/src/video/cocoa/SDL_cocoaclipboard.m
index 015d771..f97dd28 100644
--- a/src/video/cocoa/SDL_cocoaclipboard.m
+++ b/src/video/cocoa/SDL_cocoaclipboard.m
@@ -25,23 +25,13 @@
 #include "SDL_cocoavideo.h"
 #include "../../events/SDL_clipboardevents_c.h"
 
-static NSString *
-GetTextFormat(_THIS)
-{
-    if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_5) {
-        return NSPasteboardTypeString;
-    } else {
-        return NSStringPboardType;
-    }
-}
-
 int
 Cocoa_SetClipboardText(_THIS, const char *text)
 { @autoreleasepool
 {
     SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
     NSPasteboard *pasteboard;
-    NSString *format = GetTextFormat(_this);
+    NSString *format = NSPasteboardTypeString;
 
     pasteboard = [NSPasteboard generalPasteboard];
     data->clipboard_count = [pasteboard declareTypes:[NSArray arrayWithObject:format] owner:nil];
@@ -55,7 +45,7 @@ Cocoa_GetClipboardText(_THIS)
 { @autoreleasepool
 {
     NSPasteboard *pasteboard;
-    NSString *format = GetTextFormat(_this);
+    NSString *format = NSPasteboardTypeString;
     NSString *available;
     char *text;
 
diff --git a/src/video/cocoa/SDL_cocoaevents.m b/src/video/cocoa/SDL_cocoaevents.m
index c0916fe..a6c9745 100644
--- a/src/video/cocoa/SDL_cocoaevents.m
+++ b/src/video/cocoa/SDL_cocoaevents.m
@@ -114,28 +114,23 @@
      */
     for (NSWindow *window in [NSApp orderedWindows]) {
         if (window != win && [window canBecomeKeyWindow]) {
-            if ([window respondsToSelector:@selector(isOnActiveSpace)]) {
-                if (![window isOnActiveSpace]) {
-                    continue;
-                }
+            if (![window isOnActiveSpace]) {
+                continue;
             }
             [window makeKeyAndOrderFront:self];
             return;
         }
     }
 
-    /* If a window wasn't found above, iterate through all visible windows
-     * (including the 'About' window, if it's shown) and make the first one key.
-     * Note that +[NSWindow windowNumbersWithOptions:] was added in 10.6.
+    /* If a window wasn't found above, iterate through all visible windows in
+     * the active Space in z-order (including the 'About' window, if it's shown)
+     * and make the first one key.
      */
-    if ([NSWindow respondsToSelector:@selector(windowNumbersWithOptions:)]) {
-        /* Get all visible windows in the active Space, in z-order. */
-        for (NSNumber *num in [NSWindow windowNumbersWithOptions:0]) {
-            NSWindow *window = [NSApp windowWithWindowNumber:[num integerValue]];
-            if (window && window != win && [window canBecomeKeyWindow]) {
-                [window makeKeyAndOrderFront:self];
-                return;
-            }
+    for (NSNumber *num in [NSWindow windowNumbersWithOptions:0]) {
+        NSWindow *window = [NSApp windowWithWindowNumber:[num integerValue]];
+        if (window && window != win && [window canBecomeKeyWindow]) {
+            [window makeKeyAndOrderFront:self];
+            return;
         }
     }
 }
@@ -291,7 +286,7 @@ CreateApplicationMenus(void)
 
 
     /* Add the fullscreen view toggle menu option, if supported */
-    if ([NSApp respondsToSelector:@selector(setPresentationOptions:)]) {
+    if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6) {
         /* Create the view menu */
         viewMenu = [[NSMenu alloc] initWithTitle:@"View"];
 
@@ -321,16 +316,7 @@ Cocoa_RegisterApp(void)
 
         const char *hint = SDL_GetHint(SDL_HINT_MAC_BACKGROUND_APP);
         if (!hint || *hint == '0') {
-#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_6
-			if ([NSApp respondsToSelector:@selector(setActivationPolicy:)]) {
-#endif
-				[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
-#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_6
-			} else {
-				ProcessSerialNumber psn = {0, kCurrentProcess};
-				TransformProcessType(&psn, kProcessTransformToForegroundApplication);
-			}
-#endif
+            [NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
             [NSApp activateIgnoringOtherApps:YES];
 		}
 		
diff --git a/src/video/cocoa/SDL_cocoakeyboard.m b/src/video/cocoa/SDL_cocoakeyboard.m
index 7f1d230..8c6f177 100644
--- a/src/video/cocoa/SDL_cocoakeyboard.m
+++ b/src/video/cocoa/SDL_cocoakeyboard.m
@@ -69,14 +69,6 @@
     SDL_SendKeyboardText(str);
 }
 
-- (void)insertText:(id)insertString
-{
-    /* This method is part of NSTextInput and not NSTextInputClient, but
-     * apparently it still might be called in OS X 10.5 and can cause beeps if
-     * the implementation is missing: http://crbug.com/47890 */
-    [self insertText:insertString replacementRange:NSMakeRange(0, 0)];
-}
-
 - (void)doCommandBySelector:(SEL)myselector
 {
     /* No need to do anything since we are not using Cocoa
@@ -498,11 +490,8 @@ Cocoa_InitKeyboard(_THIS)
     SDL_SetScancodeName(SDL_SCANCODE_RALT, "Right Option");
     SDL_SetScancodeName(SDL_SCANCODE_RGUI, "Right Command");
 
-    /* On pre-10.6, you might have the initial capslock key state wrong. */
-    if (floor(NSAppKitVersionNumber) >= NSAppKitVersionNumber10_6) {
-        data->modifierFlags = [NSEvent modifierFlags];
-        SDL_ToggleModState(KMOD_CAPS, (data->modifierFlags & NSAlphaShiftKeyMask) != 0);
-    }
+    data->modifierFlags = [NSEvent modifierFlags];
+    SDL_ToggleModState(KMOD_CAPS, (data->modifierFlags & NSAlphaShiftKeyMask) != 0);
 }
 
 void
diff --git a/src/video/cocoa/SDL_cocoamodes.h b/src/video/cocoa/SDL_cocoamodes.h
index 13a9620..ce8601c 100644
--- a/src/video/cocoa/SDL_cocoamodes.h
+++ b/src/video/cocoa/SDL_cocoamodes.h
@@ -30,7 +30,7 @@ typedef struct
 
 typedef struct
 {
-    const void *moderef;
+    CGDisplayModeRef moderef;
 } SDL_DisplayModeData;
 
 extern void Cocoa_InitModes(_THIS);
diff --git a/src/video/cocoa/SDL_cocoamodes.m b/src/video/cocoa/SDL_cocoamodes.m
index 2fa619d..6d29c6b 100644
--- a/src/video/cocoa/SDL_cocoamodes.m
+++ b/src/video/cocoa/SDL_cocoamodes.m
@@ -56,25 +56,6 @@ Cocoa_ToggleMenuBar(const BOOL show)
 #endif
 }
 
-
-/* !!! FIXME: clean out the pre-10.6 code when it makes sense to do so. */
-#define FORCE_OLD_API 0
-
-#if FORCE_OLD_API
-#undef MAC_OS_X_VERSION_MIN_REQUIRED
-#define MAC_OS_X_VERSION_MIN_REQUIRED 1050
-#endif
-
-static BOOL
-IS_SNOW_LEOPARD_OR_LATER()
-{
-#if FORCE_OLD_API
-    return NO;
-#else
-    return floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_5;
-#endif
-}
-
 static int
 CG_SetError(const char *prefix, CGDisplayErr result)
 {
@@ -119,59 +100,40 @@ CG_SetError(const char *prefix, CGDisplayErr result)
 }
 
 static SDL_bool
-GetDisplayMode(_THIS, const void *moderef, CVDisplayLinkRef link, SDL_DisplayMode *mode)
+GetDisplayMode(_THIS, CGDisplayModeRef vidmode, CVDisplayLinkRef link, SDL_DisplayMode *mode)
 {
     SDL_DisplayModeData *data;
     long width = 0;
     long height = 0;
     long bpp = 0;
     long refreshRate = 0;
+    CFStringRef fmt;
 
     data = (SDL_DisplayModeData *) SDL_malloc(sizeof(*data));
     if (!data) {
         return SDL_FALSE;
     }
-    data->moderef = moderef;
-
-    if (IS_SNOW_LEOPARD_OR_LATER()) {
-        CGDisplayModeRef vidmode = (CGDisplayModeRef) moderef;
-        CFStringRef fmt = CGDisplayModeCopyPixelEncoding(vidmode);
-        width = (long) CGDisplayModeGetWidth(vidmode);
-        height = (long) CGDisplayModeGetHeight(vidmode);
-        refreshRate = (long) (CGDisplayModeGetRefreshRate(vidmode) + 0.5);
-
-        if (CFStringCompare(fmt, CFSTR(IO32BitDirectPixels),
-                            kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
-            bpp = 32;
-        } else if (CFStringCompare(fmt, CFSTR(IO16BitDirectPixels),
-                            kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
-            bpp = 16;
-        } else if (CFStringCompare(fmt, CFSTR(kIO30BitDirectPixels),
-                            kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
-            bpp = 30;
-        } else {
-            bpp = 0;  /* ignore 8-bit and such for now. */
-        }
-
-        CFRelease(fmt);
+    data->moderef = vidmode;
+
+    fmt = CGDisplayModeCopyPixelEncoding(vidmode);
+    width = (long) CGDisplayModeGetWidth(vidmode);
+    height = (long) CGDisplayModeGetHeight(vidmode);
+    refreshRate = (long) (CGDisplayModeGetRefreshRate(vidmode) + 0.5);
+
+    if (CFStringCompare(fmt, CFSTR(IO32BitDirectPixels),
+                        kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
+        bpp = 32;
+    } else if (CFStringCompare(fmt, CFSTR(IO16BitDirectPixels),
+                        kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
+        bpp = 16;
+    } else if (CFStringCompare(fmt, CFSTR(kIO30BitDirectPixels),
+                        kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
+        bpp = 30;
+    } else {
+        bpp = 0;  /* ignore 8-bit and such for now. */
     }
 
-    #if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
-    if (!IS_SNOW_LEOPARD_OR_LATER()) {
-        CFNumberRef number;
-        double refresh;
-        CFDictionaryRef vidmode = (CFDictionaryRef) moderef;
-        number = CFDictionaryGetValue(vidmode, kCGDisplayWidth);
-        CFNumberGetValue(number, kCFNumberLongType, &width);
-        number = CFDictionaryGetValue(vidmode, kCGDisplayHeight);
-        CFNumberGetValue(number, kCFNumberLongType, &height);
-        number = CFDictionaryGetValue(vidmode, kCGDisplayBitsPerPixel);
-        CFNumberGetValue(number, kCFNumberLongType, &bpp);
-        number = CFDictionaryGetValue(vidmode, kCGDisplayRefreshRate);
-        CFNumberGetValue(number, kCFNumberDoubleType, &refresh);
-        refreshRate = (long) (refresh + 0.5);
-    }
-    #endif
+    CFRelease(fmt);
 
     /* CGDisplayModeGetRefreshRate returns 0 for many non-CRT displays. */
     if (refreshRate == 0 && link != NULL) {
@@ -204,22 +166,6 @@ GetDisplayMode(_THIS, const void *moderef, CVDisplayLinkRef link, SDL_DisplayMod
     return SDL_TRUE;
 }
 
-static void
-Cocoa_ReleaseDisplayMode(_THIS, const void *moderef)
-{
-    if (IS_SNOW_LEOPARD_OR_LATER()) {
-        CGDisplayModeRelease((CGDisplayModeRef) moderef);  /* NULL is ok */
-    }
-}
-
-static void
-Cocoa_ReleaseDisplayModeList(_THIS, CFArrayRef modelist)
-{
-    if (IS_SNOW_LEOPARD_OR_LATER()) {
-        CFRelease(modelist);  /* NULL is ok */
-    }
-}
-
 static const char *
 Cocoa_GetDisplayName(CGDirectDisplayID displayID)
 {
@@ -262,7 +208,7 @@ Cocoa_InitModes(_THIS)
             SDL_VideoDisplay display;
             SDL_DisplayData *displaydata;
             SDL_DisplayMode mode;
-            const void *moderef = NULL;
+            CGDisplayModeRef moderef = NULL;
             CVDisplayLinkRef link = NULL;
 
             if (pass == 0) {
@@ -279,15 +225,7 @@ Cocoa_InitModes(_THIS)
                 continue;
             }
 
-            if (IS_SNOW_LEOPARD_OR_LATER()) {
-                moderef = CGDisplayCopyDisplayMode(displays[i]);
-            }
-
-            #if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
-            if (!IS_SNOW_LEOPARD_OR_LATER()) {
-                moderef = CGDisplayCurrentMode(displays[i]);
-            }
-            #endif
+            moderef = CGDisplayCopyDisplayMode(displays[i]);
 
             if (!moderef) {
                 continue;
@@ -295,7 +233,7 @@ Cocoa_InitModes(_THIS)
 
             displaydata = (SDL_DisplayData *) SDL_malloc(sizeof(*displaydata));
             if (!displaydata) {
-                Cocoa_ReleaseDisplayMode(_this, moderef);
+                CGDisplayModeRelease(moderef);
                 continue;
             }
             displaydata->display = displays[i];
@@ -307,7 +245,7 @@ Cocoa_InitModes(_THIS)
             display.name = (char *)Cocoa_GetDisplayName(displays[i]);
             if (!GetDisplayMode(_this, moderef, link, &mode)) {
                 CVDisplayLinkRelease(link);
-                Cocoa_ReleaseDisplayMode(_this, moderef);
+                CGDisplayModeRelease(moderef);
                 SDL_free(display.name);
                 SDL_free(displaydata);
                 continue;
@@ -396,17 +334,7 @@ void
 Cocoa_GetDisplayModes(_THIS, SDL_VideoDisplay * display)
 {
     SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;
-    CFArrayRef modes = NULL;
-
-    if (IS_SNOW_LEOPARD_OR_LATER()) {
-        modes = CGDisplayCopyAllDisplayModes(data->display, NULL);
-    }
-
-    #if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
-    if (!IS_SNOW_LEOPARD_OR_LATER()) {
-        modes = CGDisplayAvailableModes(data->display);
-    }
-    #endif
+    CFArrayRef modes = CGDisplayCopyAllDisplayModes(data->display, NULL);
 
     if (modes) {
         CVDisplayLinkRef link = NULL;
@@ -416,37 +344,19 @@ Cocoa_GetDisplayModes(_THIS, SDL_VideoDisplay * display)
         CVDisplayLinkCreateWithCGDisplay(data->display, &link);
 
         for (i = 0; i < count; i++) {
-            const void *moderef = CFArrayGetValueAtIndex(modes, i);
+            CGDisplayModeRef moderef = (CGDisplayModeRef) CFArrayGetValueAtIndex(modes, i);
             SDL_DisplayMode mode;
             if (GetDisplayMode(_this, moderef, link, &mode)) {
-                if (IS_SNOW_LEOPARD_OR_LATER()) {
-                    CGDisplayModeRetain((CGDisplayModeRef) moderef);
-                }
+                CGDisplayModeRetain(moderef);
                 SDL_AddDisplayMode(display, &mode);
             }
         }
 
         CVDisplayLinkRelease(link);
-        Cocoa_ReleaseDisplayModeList(_this, modes);
+        CFRelease(modes);
     }
 }
 
-static CGError
-Cocoa_SwitchMode(_THIS, CGDirectDisplayID display, const void *mode)
-{
-    if (IS_SNOW_LEOPARD_OR_LATER()) {
-        return CGDisplaySetDisplayMode(display, (CGDisplayModeRef) mode, NULL);
-    }
- 
-    #if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
-    if (!IS_SNOW_LEOPARD_OR_LATER()) {
-        return CGDisplaySwitchToMode(display, (CFDictionaryRef) mode);
-    }
-    #endif
-
-    return kCGErrorFailure;
-}
-
 int
 Cocoa_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
 {
@@ -462,7 +372,7 @@ Cocoa_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
 
     if (data == display->desktop_mode.driverdata) {
         /* Restoring desktop mode */
-        Cocoa_SwitchMode(_this, displaydata->display, data->moderef);
+        CGDisplaySetDisplayMode(displaydata->display, data->moderef, NULL);
 
         if (CGDisplayIsMain(displaydata->display)) {
             CGReleaseAllDisplays();
@@ -487,7 +397,7 @@ Cocoa_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
         }
 
         /* Do the physical switch */
-        result = Cocoa_SwitchMode(_this, displaydata->display, data->moderef);
+        result = CGDisplaySetDisplayMode(displaydata->display, data->moderef, NULL);
         if (result != kCGErrorSuccess) {
             CG_SetError("CGDisplaySwitchToMode()", result);
             goto ERR_NO_SWITCH;
@@ -532,11 +442,11 @@ Cocoa_QuitModes(_THIS)
         }
 
         mode = (SDL_DisplayModeData *) display->desktop_mode.driverdata;
-        Cocoa_ReleaseDisplayMode(_this, mode->moderef);
+        CGDisplayModeRelease(mode->moderef);
 
         for (j = 0; j < display->num_display_modes; j++) {
             mode = (SDL_DisplayModeData*) display->display_modes[j].driverdata;
-            Cocoa_ReleaseDisplayMode(_this, mode->moderef);
+            CGDisplayModeRelease(mode->moderef);
         }
 
     }
diff --git a/src/video/cocoa/SDL_cocoashape.m b/src/video/cocoa/SDL_cocoashape.m
index cd5d97b..fc8a277 100644
--- a/src/video/cocoa/SDL_cocoashape.m
+++ b/src/video/cocoa/SDL_cocoashape.m
@@ -35,9 +35,7 @@ Cocoa_CreateShaper(SDL_Window* window)
     SDL_WindowData* windata = (SDL_WindowData*)window->driverdata;
     [windata->nswindow setOpaque:NO];
 
-    if ([windata->nswindow respondsToSelector:@selector(setStyleMask:)]) {
-        [windata->nswindow setStyleMask:NSBorderlessWindowMask];
-    }
+    [windata->nswindow setStyleMask:NSBorderlessWindowMask];
 
     SDL_WindowShaper* result = result = malloc(sizeof(SDL_WindowShaper));
     result->window = window;
diff --git a/src/video/cocoa/SDL_cocoawindow.m b/src/video/cocoa/SDL_cocoawindow.m
index 4435d8d..e98eebc 100644
--- a/src/video/cocoa/SDL_cocoawindow.m
+++ b/src/video/cocoa/SDL_cocoawindow.m
@@ -138,10 +138,7 @@
         NSURL *fileURL = [[NSURL fileURLWithPath:path] autorelease];
         NSNumber *isAlias = nil;
 
-        /* Functionality for resolving URL aliases was added with OS X 10.6. */
-        if ([fileURL respondsToSelector:@selector(getResourceValue:forKey:error:)]) {
-            [fileURL getResourceValue:&isAlias forKey:NSURLIsAliasFileKey error:nil];
-        }
+        [fileURL getResourceValue:&isAlias forKey:NSURLIsAliasFileKey error:nil];
 
         /* If the URL is an alias, resolve it. */
         if ([isAlias boolValue]) {
@@ -218,10 +215,10 @@ GetHintCtrlClickEmulateRightClick()
 	return hint != NULL && *hint != '0';
 }
 
-static unsigned int
+static NSUInteger
 GetWindowStyle(SDL_Window * window)
 {
-    unsigned int style;
+    NSUInteger style = 0;
 
     if (window->flags & SDL_WINDOW_FULLSCREEN) {
         style = NSBorderlessWindowMask;
@@ -239,21 +236,17 @@ GetWindowStyle(SDL_Window * window)
 }
 
 static SDL_bool
-SetWindowStyle(SDL_Window * window, unsigned int style)
+SetWindowStyle(SDL_Window * window, NSUInteger style)
 {
     SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
     NSWindow *nswindow = data->nswindow;
 
-    if (![nswindow respondsToSelector: @selector(setStyleMask:)]) {
-        return SDL_FALSE;
-    }
-
     /* The view responder chain gets messed with during setStyleMask */
     if ([[nswindow contentView] nextResponder] == data->listener) {
         [[nswindow contentView] setNextResponder:nil];
     }
 
-    [nswindow performSelector: @selector(setStyleMask:) withObject: (id)(uintptr_t)style];
+    [nswindow setStyleMask:style];
 
     /* The view responder chain gets messed with during setStyleMask */
     if ([[nswindow contentView] nextResponder] != data->listener) {
@@ -317,9 +310,7 @@ SetWindowStyle(SDL_Window * window, unsigned int style)
 
     [view setNextResponder:self];
 
-    if ([view respondsToSelector:@selector(setAcceptsTouchEvents:)]) {
-        [view setAcceptsTouchEvents:YES];
-    }
+    [view setAcceptsTouchEvents:YES];
 }
 
 - (void)observeValueForKeyPath:(NSString *)keyPath
@@ -604,12 +595,9 @@ SetWindowStyle(SDL_Window * window, unsigned int style)
         [NSMenu setMenuBarVisible:NO];
     }
 
-    /* On pre-10.6, you might have the capslock key state wrong now because we can't check here. */
-    if (floor(NSAppKitVersionNumber) >= NSAppKitVersionNumber10_6) {
-        const unsigned int newflags = [NSEvent modifierFlags] & NSAlphaShiftKeyMask;
-        _data->videodata->modifierFlags = (_data->videodata->modifierFlags & ~NSAlphaShiftKeyMask) | newflags;
-        SDL_ToggleModState(KMOD_CAPS, newflags != 0);
-    }
+    const unsigned int newflags = [NSEvent modifierFlags] & NSAlphaShiftKeyMask;
+    _data->videodata->modifierFlags = (_data->videodata->modifierFlags & ~NSAlphaShiftKeyMask) | newflags;
+    SDL_ToggleModState(KMOD_CAPS, newflags != 0);
 }
 
 - (void)windowDidResignKey:(NSNotification *)aNotification
@@ -1483,27 +1471,6 @@ Cocoa_RestoreWindow(_THIS, SDL_Window * window)
     }
 }}
 
-static NSWindow *
-Cocoa_RebuildWindow(SDL_WindowData * data, NSWindow * nswindow, unsigned style)
-{
-    if (!data->created) {
-        /* Don't mess with other people's windows... */
-        return nswindow;
-    }
-
-    [data->listener close];
-    data->nswindow = [[SDLWindow alloc] initWithContentRect:[[nswindow contentView] frame] styleMask:style backing:NSBackingStoreBuffered defer:NO screen:[nswindow screen]];
-    [data->nswindow setContentView:[nswindow contentView]];
-    [data->nswindow registerForDraggedTypes:[NSArray arrayWithObject:(NSString *)kUTTypeFileURL]];
-    /* See comment in SetupWindowData. */
-    [data->nswindow setOneShot:NO];
-    [data->listener listen:data];
-
-    [nswindow close];
-
-    return data->nswindow;
-}
-
 void
 Cocoa_SetWindowBordered(_THIS, SDL_Window * window, SDL_bool bordered)
 { @autoreleasepool
@@ -1545,11 +1512,7 @@ Cocoa_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display
             rect.origin.y += (screenRect.size.height - rect.size.height);
         }
 
-        if ([nswindow respondsToSelector: @selector(setStyleMask:)]) {
-            [nswindow performSelector: @selector(setStyleMask:) withObject: (id)NSBorderlessWindowMask];
-        } else {
-            nswindow = Cocoa_RebuildWindow(data, nswindow, NSBorderlessWindowMask);
-        }
+        [nswindow setStyleMask:NSBorderlessWindowMask];
     } else {
         rect.origin.x = window->windowed.x;
         rect.origin.y = window->windowed.y;
@@ -1557,16 +1520,12 @@ Cocoa_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display
         rect.size.height = window->windowed.h;
         ConvertNSRect([nswindow screen], fullscreen, &rect);
 
-        if ([nswindow respondsToSelector: @selector(setStyleMask:)]) {
-            [nswindow performSelector: @selector(setStyleMask:) withObject: (id)(uintptr_t)GetWindowStyle(window)];
+        [nswindow setStyleMask:GetWindowStyle(window)];
 
-            /* Hack to restore window decorations on Mac OS X 10.10 */
-            NSRect frameRect = [nswindow frame];
-            [nswindow setFrame:NSMakeRect(frameRect.origin.x, frameRect.origin.y, frameRect.size.width + 1, frameRect.size.height) display:NO];
-            [nswindow setFrame:frameRect display:NO];
-        } else {
-            nswindow = Cocoa_RebuildWindow(data, nswindow, GetWindowStyle(window));
-        }
+        /* Hack to restore window decorations on Mac OS X 10.10 */
+        NSRect frameRect = [nswindow frame];
+        [nswindow setFrame:NSMakeRect(frameRect.origin.x, frameRect.origin.y, frameRect.size.width + 1, frameRect.size.height) display:NO];
+        [nswindow setFrame:frameRect display:NO];
     }
 
     /* The view responder chain gets messed with during setStyleMask */