Fix non-native full screen on MacBooks with notch

runtime/doc/gui_mac.txt

@@ -264,6 +264,9 @@ KEY				VALUE ~
 *MMLoginShellCommand*		which shell to use to launch Vim [string]
 *MMNativeFullScreen*		use native full screen mode [bool]
 *MMNonNativeFullScreenShowMenu*	show menus when in non-native full screen [bool]
+*MMNonNativeFullScreenSafeAreaBehavior*
+				behavior for non-native full sreen regarding
+				the safe area (aka the "notch") [int]
 *MMNoFontSubstitution*		disable automatic font substitution [bool]
 				(Deprecated: Non-CoreText renderer only)
 *MMFontPreserveLineSpacing*	use the line-spacing as specified by font [bool]
@@ -330,7 +333,10 @@ There are two types of full screen modes.  By default, MacVim uses macOS'
 native full screen functionality, which creates a separate space in Mission
 Control.  MacVim also provides a non-native full screen mode, which can be set
 by disabling native full screen in the preference panel, or by setting
-|MMNativeFullScreen| to `NO` manually.
+|MMNativeFullScreen| to `NO` manually.  If you have a MacBook with a "notch"
+at the top of the screen, you can set |MMNonNativeFullScreenShowMenu| to `NO`
+and |MMNonNativeFullScreenSafeAreaBehavior| to 1 to utilitize the whole screen
+(this will cause some of the content to be obscured by the notch).
 
 ==============================================================================
 5. Special colors					*macvim-colors*

runtime/doc/tags

@@ -5364,6 +5364,7 @@ MMLoginShellCommand	gui_mac.txt	/*MMLoginShellCommand*
 MMNativeFullScreen	gui_mac.txt	/*MMNativeFullScreen*
 MMNoFontSubstitution	gui_mac.txt	/*MMNoFontSubstitution*
 MMNoTitleBarWindow	gui_mac.txt	/*MMNoTitleBarWindow*
+MMNonNativeFullScreenSafeAreaBehavior	gui_mac.txt	/*MMNonNativeFullScreenSafeAreaBehavior*
 MMNonNativeFullScreenShowMenu	gui_mac.txt	/*MMNonNativeFullScreenShowMenu*
 MMShareFindPboard	gui_mac.txt	/*MMShareFindPboard*
 MMShowAddTabButton	gui_mac.txt	/*MMShowAddTabButton*

src/MacVim/MMAppController.m

@@ -250,6 +250,7 @@ + (void)initialize
         [NSNumber numberWithBool:YES],    MMNativeFullScreenKey,
         [NSNumber numberWithDouble:0.0],  MMFullScreenFadeTimeKey,
         [NSNumber numberWithBool:NO],     MMNonNativeFullScreenShowMenuKey,
+        [NSNumber numberWithInt:0],       MMNonNativeFullScreenSafeAreaBehaviorKey,
         [NSNumber numberWithBool:YES],    MMShareFindPboardKey,
         nil];
 

src/MacVim/MMFullScreenWindow.m

@@ -376,14 +376,33 @@ - (void)applicationDidChangeScreenParameters:(NSNotification *)notification
     [self setFrame:[screen frame] display:NO];
 }
 
-/// Get the view vertical offset to allow us space to show the menu bar and what not.
-- (CGFloat) viewOffset {
+/// Get the view offset to allow us space to show the menu bar, or account for "safe area" (a.k.a. notch) in certain MacBook Pro's.
+- (NSEdgeInsets) viewOffset {
+    NSEdgeInsets offset = NSEdgeInsetsMake(0, 0, 0, 0);
+
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_12_0)
+    // Account for newer MacBook Pro's which have a notch, which can be queried using the safe area API.
+    if ([NSScreen instancesRespondToSelector:@selector(safeAreaInsets)]) {
+        const int safeAreaBehavior = [[NSUserDefaults standardUserDefaults]
+                                      integerForKey:MMNonNativeFullScreenSafeAreaBehaviorKey];
+
+        // The safe area utilization is configuration. Right now, we only have two choices.
+        // In the future there may be more, e.g. showing tabs in the safe area.
+        if (safeAreaBehavior == 0) {
+            offset = [[self screen] safeAreaInsets];
+        }
+    }
+#endif
+
     if ([[NSUserDefaults standardUserDefaults]
           boolForKey:MMNonNativeFullScreenShowMenuKey]) {
-        return [[[NSApplication sharedApplication] mainMenu] menuBarHeight]-1;
-    } else {
-        return 0;
+        const CGFloat menuBarHeight = [[[NSApplication sharedApplication] mainMenu] menuBarHeight];
+        if (menuBarHeight > offset.top) {
+            offset.top = menuBarHeight;
+        }
     }
+
+    return offset;
 }
 
 /// Returns the desired frame of the Vim view, which takes fuopts into account
@@ -395,16 +414,18 @@ - (CGFloat) viewOffset {
 - (NSRect)getDesiredFrame;
 {
     NSRect windowFrame = [self frame];
+    const NSEdgeInsets viewOffset = [self viewOffset];
+    windowFrame.size.height -= (viewOffset.top + viewOffset.bottom);
+    windowFrame.size.width -= (viewOffset.left + viewOffset.right);
     NSSize desiredFrameSize = windowFrame.size;
-    desiredFrameSize.height -= [self viewOffset];
 
     if (!(options & FUOPT_MAXVERT))
         desiredFrameSize.height = MIN(desiredFrameSize.height, nonFuVimViewSize.height);
     if (!(options & FUOPT_MAXHORZ))
         desiredFrameSize.width = MIN(desiredFrameSize.width, nonFuVimViewSize.width);
 
-    NSPoint origin = { floor((windowFrame.size.width - desiredFrameSize.width)/2),
-                       floor((windowFrame.size.height - desiredFrameSize.height)/2 - [self viewOffset] / 2) };
+    NSPoint origin = { floor((windowFrame.size.width - desiredFrameSize.width)/2) + viewOffset.left,
+                       floor((windowFrame.size.height - desiredFrameSize.height)/2) + viewOffset.bottom };
 
     return NSMakeRect(origin.x, origin.y, desiredFrameSize.width, desiredFrameSize.height);
 }

src/MacVim/MacVim.h

@@ -38,6 +38,9 @@
 #ifndef MAC_OS_X_VERSION_10_14
 # define MAC_OS_X_VERSION_10_14 101400
 #endif
+#ifndef MAC_OS_VERSION_12_0
+# define MAC_OS_VERSION_12_0 120000
+#endif
 
 #ifndef NSAppKitVersionNumber10_10
 # define NSAppKitVersionNumber10_10 1343

src/MacVim/Miscellaneous.h

@@ -57,6 +57,7 @@ extern NSString *MMNativeFullScreenKey;
 extern NSString *MMUseMouseTimeKey;
 extern NSString *MMFullScreenFadeTimeKey;
 extern NSString *MMNonNativeFullScreenShowMenuKey;
+extern NSString *MMNonNativeFullScreenSafeAreaBehaviorKey;
 
 
 // Enum for MMUntitledWindowKey

src/MacVim/Miscellaneous.m

@@ -53,6 +53,7 @@
 NSString *MMUseMouseTimeKey               = @"MMUseMouseTime";
 NSString *MMFullScreenFadeTimeKey         = @"MMFullScreenFadeTime";
 NSString *MMNonNativeFullScreenShowMenuKey  = @"MMNonNativeFullScreenShowMenu";
+NSString *MMNonNativeFullScreenSafeAreaBehaviorKey = @"MMNonNativeFullScreenSafeAreaBehavior";