Visual updates for Big Sur and newer

Cocoa/AppDelegate.m

@@ -154,6 +154,10 @@ static uint32_t color_to_int(NSColor *color)
 #ifndef UPDATE_SUPPORT
         [_preferencesWindow.toolbar removeItemAtIndex:4];
 #endif
+        if (@available(macOS 11.0, *)) {
+            [_preferencesWindow.toolbar insertItemWithItemIdentifier:NSToolbarFlexibleSpaceItemIdentifier atIndex:0];
+            [_preferencesWindow.toolbar insertItemWithItemIdentifier:NSToolbarFlexibleSpaceItemIdentifier atIndex:_preferencesWindow.toolbar.items.count];
+        }
     }
     [_preferencesWindow makeKeyAndOrderFront:self];
 }

Cocoa/Document.xib

@@ -507,7 +507,7 @@
                                     <rect key="frame" x="0.0" y="0.0" width="512" height="432"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                     <subviews>
-                                        <scrollView fixedFrame="YES" borderType="none" horizontalLineScroll="10" horizontalPageScroll="10" verticalLineScroll="10" verticalPageScroll="10" usesPredominantAxisScrolling="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Vhq-K4-baH">
+                                        <scrollView fixedFrame="YES" borderType="none" horizontalLineScroll="10" horizontalPageScroll="10" verticalLineScroll="10" verticalPageScroll="10" hasHorizontalScroller="NO" usesPredominantAxisScrolling="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Vhq-K4-baH">
                                             <rect key="frame" x="0.0" y="0.0" width="512" height="432"/>
                                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                             <clipView key="contentView" ambiguous="YES" id="JYu-CM-49p">
@@ -522,8 +522,8 @@
                                                 <edgeInsets key="contentInsets" left="0.0" right="0.0" top="0.0" bottom="0.0"/>
                                             </clipView>
                                             <edgeInsets key="contentInsets" left="0.0" right="0.0" top="0.0" bottom="0.0"/>
-                                            <scroller key="horizontalScroller" wantsLayer="YES" verticalHuggingPriority="750" horizontal="YES" id="zUB-xg-cXq">
-                                                <rect key="frame" x="0.0" y="416" width="512" height="16"/>
+                                            <scroller key="horizontalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" horizontal="YES" id="zUB-xg-cXq">
+                                                <rect key="frame" x="-100" y="-100" width="512" height="16"/>
                                                 <autoresizingMask key="autoresizingMask"/>
                                             </scroller>
                                             <scroller key="verticalScroller" wantsLayer="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="NO" id="jMe-gO-ERw">

Cocoa/GBPreferencesWindow.m

@@ -65,7 +65,7 @@
 
 - (NSWindowToolbarStyle)toolbarStyle
 {
-    return NSWindowToolbarStylePreference;
+    return NSWindowToolbarStyleExpanded;
 }
 
 - (void)close

Cocoa/NSImageNamedDarkSupport.m

@@ -11,6 +11,13 @@ static NSImage * (*imageNamed)(Class self, SEL _cmd, NSString *name);
 
 + (NSImage *)imageNamedWithDark:(NSImageName)name
 {
+    if (@available(macOS 11.0, *)) {
+        if (![name containsString:@"~solid"]) {
+            NSImage *solid = [self imageNamed:[name stringByAppendingString:@"~solid"]];
+            [solid setTemplate:true];
+            if (solid) return solid;
+        }
+    }
     NSImage *light = imageNamed(self, _cmd, name);
     if (@available(macOS 10.14, *)) {
         NSImage *dark = imageNamed(self, _cmd, [name stringByAppendingString:@"~dark"]);

Cocoa/Preferences.xib

@@ -52,7 +52,7 @@
                             <action selector="switchPreferencesTab:" target="-2" id="Tio-D7-PaA"/>
                         </connections>
                     </toolbarItem>
-                    <toolbarItem implicitItemIdentifier="EB7AB5BC-57B0-4639-A037-E28226866C80" label="Updates" paletteLabel="Updates" tag="4" image="AppIcon" autovalidates="NO" selectable="YES" id="lMV-68-ntz">
+                    <toolbarItem implicitItemIdentifier="EB7AB5BC-57B0-4639-A037-E28226866C80" label="Updates" paletteLabel="Updates" tag="4" image="Updates" autovalidates="NO" selectable="YES" id="lMV-68-ntz">
                         <connections>
                             <action selector="switchPreferencesTab:" target="-2" id="bfU-hc-FnN"/>
                         </connections>
@@ -1113,12 +1113,12 @@
         </customObject>
     </objects>
     <resources>
-        <image name="AppIcon" width="512" height="512"/>
         <image name="CPU" width="32" height="32"/>
         <image name="Display" width="32" height="32"/>
         <image name="Joypad" width="32" height="32"/>
         <image name="NSAddTemplate" width="11" height="11"/>
         <image name="NSRemoveTemplate" width="11" height="11"/>
         <image name="Speaker" width="32" height="32"/>
+        <image name="Updates" width="32" height="32"/>
     </resources>
 </document>