Merge pull request #7036 from symless/SYNERGY-1006-Big-sur-icon-theme

SYNERGY-1006 - Added template mode for icons on Big Sur and higher

ChangeLog

@@ -8,6 +8,7 @@ Bug fixes:
 - #7001 Add option to prevent computer from going to sleep
 - #7029 | #7033 Wrong encoding for text copied between linux and windows
 - #7015 Fix Windows service not starting up after sleep
+- #7036 Fix tray icon not changing theme on Big Sur
 
 Enhancements:
 - #6998 Remove functionality related to the screen saver synchronisation

src/gui/src/MainWindow.cpp

@@ -343,10 +343,19 @@ void MainWindow::setIcon(qSynergyState state) const
     QIcon icon;
 
 #ifdef Q_OS_MAC
-    if (isOSXUseDarkIcons())
-        icon.addFile(synergyDarkIconFiles[state]);
-    else
-        icon.addFile(synergyLightIconFiles[state]);
+    switch(getOSXIconsTheme()) {
+        case IconsTheme::ICONS_DARK:
+            icon.addFile(synergyDarkIconFiles[state]);
+            break;
+        case IconsTheme::ICONS_LIGHT:
+            icon.addFile(synergyLightIconFiles[state]);
+            break;
+        case IconsTheme::ICONS_TEMPLATE:
+        default:
+            icon.addFile(synergyDarkIconFiles[state]);
+            icon.setIsMask(true);
+            break;
+    }
 #else
     icon.addFile(synergyDefaultIconFiles[state]);
 #endif

src/gui/src/OSXHelpers.h

@@ -19,7 +19,13 @@
 
 #define OSXHELPERS__H
 
+enum class IconsTheme {
+    ICONS_DARK,
+    ICONS_LIGHT,
+    ICONS_TEMPLATE
+};
+
 bool isOSXInterfaceStyleDark();
-bool isOSXUseDarkIcons();
+IconsTheme getOSXIconsTheme();
 
 #endif

src/gui/src/OSXHelpers.mm

@@ -30,13 +30,12 @@ isOSXInterfaceStyleDark()
    return (style && [style isKindOfClass:[NSString class]] && NSOrderedSame == [style caseInsensitiveCompare:@"dark"]);
 }
 
-bool
-isOSXUseDarkIcons()
+IconsTheme
+getOSXIconsTheme()
 {
-   if (@available(macOS 11, *)) {
-      return true;
-   }
-   else {
-      return isOSXInterfaceStyleDark();
-   }
+   if (@available(macOS 11, *))
+      return IconsTheme::ICONS_TEMPLATE;
+   else if(isOSXInterfaceStyleDark())
+      return IconsTheme::ICONS_DARK;
+   return IconsTheme::ICONS_LIGHT;
 }