Fix Yosemite tabbar style check code

Use NSAppKitVersionNumber instead of MAC_OS_X_VERSION_MIN_REQUIRED

src/MacVim/MMFullScreenWindow.m

@@ -164,12 +164,8 @@ enum {
 
     oldTabBarStyle = [[view tabBarControl] styleName];
 
-    NSString *style;
-#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_10
-    style = @"Yosemite";
-#else
-    style = @"Unified";
-#endif
+    NSString *style =
+        shouldUseYosemiteTabBarStyle() ? @"Yosemite" : @"Unified";
     [[view tabBarControl] setStyleNamed:style];
 
     // add text view

src/MacVim/MMVimView.m

@@ -125,18 +125,18 @@ enum {
     [tabBarControl setDelegate:self];
     [tabBarControl setHidden:YES];
 
-#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_10
-    CGFloat screenWidth = [[NSScreen mainScreen] frame].size.width;
-    [tabBarControl setStyleNamed:@"Yosemite"];
-    [tabBarControl setCellMinWidth:120];
-    [tabBarControl setCellMaxWidth:screenWidth];
-    [tabBarControl setCellOptimumWidth:screenWidth];
-#else
-    [tabBarControl setCellMinWidth:[ud integerForKey:MMTabMinWidthKey]];
-    [tabBarControl setCellMaxWidth:[ud integerForKey:MMTabMaxWidthKey]];
-    [tabBarControl setCellOptimumWidth:
+    if (shouldUseYosemiteTabBarStyle()) {
+        CGFloat screenWidth = [[NSScreen mainScreen] frame].size.width;
+        [tabBarControl setStyleNamed:@"Yosemite"];
+        [tabBarControl setCellMinWidth:120];
+        [tabBarControl setCellMaxWidth:screenWidth];
+        [tabBarControl setCellOptimumWidth:screenWidth];
+    } else {
+        [tabBarControl setCellMinWidth:[ud integerForKey:MMTabMinWidthKey]];
+        [tabBarControl setCellMaxWidth:[ud integerForKey:MMTabMaxWidthKey]];
+        [tabBarControl setCellOptimumWidth:
                                      [ud integerForKey:MMTabOptimumWidthKey]];
-#endif
+    }
 
     [tabBarControl setShowAddTabButton:[ud boolForKey:MMShowAddTabButtonKey]];
     [[tabBarControl addTabButton] setTarget:self];

src/MacVim/MMWindowController.m

@@ -80,15 +80,6 @@
 #define FUOPT_BGCOLOR_HLGROUP 0x004
 
 
-#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_10
-# define TABBAR_STYLE_UNIFIED  @"Yosemite"
-# define TABBAR_STYLE_METAL    @"Yosemite"
-#else
-# define TABBAR_STYLE_UNIFIED  @"Unified"
-# define TABBAR_STYLE_METAL    @"Metal"
-#endif
-
-
 @interface MMWindowController (Private)
 - (NSSize)contentSize;
 - (void)resizeWindowToFitContentSize:(NSSize)contentSize
@@ -106,6 +97,8 @@
 - (void)applicationDidChangeScreenParameters:(NSNotification *)notification;
 - (void)enterNativeFullScreen;
 - (void)processAfterWindowPresentedQueue;
++ (NSString *)tabBarStyleForUnified;
++ (NSString *)tabBarStyleForMetal;
 @end
 
 
@@ -1187,7 +1180,8 @@
         [[window animator] setAlphaValue:0];
     } completionHandler:^{
         [window setStyleMask:([window styleMask] | NSFullScreenWindowMask)];
-        [[vimView tabBarControl] setStyleNamed:TABBAR_STYLE_UNIFIED];
+        NSString *tabBarStyle = [[self class] tabBarStyleForUnified];
+        [[vimView tabBarControl] setStyleNamed:tabBarStyle];
         [self updateTablineSeparator];
 
         // Stay dark for some time to wait for things to sync, then do the full screen operation
@@ -1251,7 +1245,8 @@
     fullScreenEnabled = NO;
     [window setAlphaValue:1];
     [window setStyleMask:([window styleMask] & ~NSFullScreenWindowMask)];
-    [[vimView tabBarControl] setStyleNamed:TABBAR_STYLE_METAL];
+    NSString *tabBarStyle = [[self class] tabBarStyleForMetal];
+    [[vimView tabBarControl] setStyleNamed:tabBarStyle];
     [self updateTablineSeparator];
     [window setFrame:preFullScreenFrame display:YES];
 }
@@ -1281,7 +1276,8 @@
         [[window animator] setAlphaValue:0];
     } completionHandler:^{
         [window setStyleMask:([window styleMask] & ~NSFullScreenWindowMask)];
-        [[vimView tabBarControl] setStyleNamed:TABBAR_STYLE_METAL];
+        NSString *tabBarStyle = [[self class] tabBarStyleForMetal];
+        [[vimView tabBarControl] setStyleNamed:tabBarStyle];
         [self updateTablineSeparator];
         [window setFrame:preFullScreenFrame display:YES];
 
@@ -1328,7 +1324,8 @@
     fullScreenEnabled = YES;
     [window setAlphaValue:1];
     [window setStyleMask:([window styleMask] | NSFullScreenWindowMask)];
-    [[vimView tabBarControl] setStyleNamed:TABBAR_STYLE_UNIFIED];
+    NSString *tabBarStyle = [[self class] tabBarStyleForUnified];
+    [[vimView tabBarControl] setStyleNamed:tabBarStyle];
     [self updateTablineSeparator];
     [self maximizeWindow:fullScreenOptions];
 }
@@ -1691,5 +1688,16 @@
 
     [afterWindowPresentedQueue release]; afterWindowPresentedQueue = nil;
 }
+
++ (NSString *)tabBarStyleForUnified
+{
+    return shouldUseYosemiteTabBarStyle() ? @"Yosemite" : @"Unified";
+}
+
++ (NSString *)tabBarStyleForMetal
+{
+    return shouldUseYosemiteTabBarStyle() ? @"Yosemite" : @"Metal";
+}
+
 @end // MMWindowController (Private)
 

src/MacVim/MacVim.h

@@ -30,6 +30,9 @@
 #endif
 
 // Needed for pre-10.11 SDK
+#ifndef NSAppKitVersionNumber10_10
+# define NSAppKitVersionNumber10_10 1343
+#endif
 #ifndef NSAppKitVersionNumber10_10_Max
 # define NSAppKitVersionNumber10_10_Max 1349
 #endif

src/MacVim/Miscellaneous.h

@@ -151,3 +151,6 @@ NSView *showHiddenFilesView();
 //     http://www.unicode.org/reports/tr15/
 NSString *normalizeFilename(NSString *filename);
 NSArray *normalizeFilenames(NSArray *filenames);
+
+
+BOOL shouldUseYosemiteTabBarStyle();

src/MacVim/Miscellaneous.m

@@ -296,3 +296,12 @@ normalizeFilenames(NSArray *filenames)
 
     return outnames;
 }
+
+
+
+
+    BOOL
+shouldUseYosemiteTabBarStyle()
+{ 
+    return floor(NSAppKitVersionNumber) >= NSAppKitVersionNumber10_10;
+}