update

src/FluTools.cpp

@@ -39,4 +39,27 @@ QString FluTools::readFile(const QString &fileName)
     return content;
 }
 
+bool FluTools::isMacos(){
+#if defined(Q_OS_MACOS)
+    return true;
+#else
+    return false;
+#endif
+}
+
+bool FluTools::isLinux(){
+#if defined(Q_OS_LINUX)
+    return true;
+#else
+    return false;
+#endif
+}
+
+bool FluTools::isWin(){
+#if defined(Q_OS_WIN)
+    return true;
+#else
+    return false;
+#endif
+}
 

src/FluTools.h

@@ -42,6 +42,12 @@ public:
      */
     Q_INVOKABLE QString readFile(const QString &fileName);
 
+    Q_INVOKABLE bool isMacos();
+
+    Q_INVOKABLE bool isLinux();
+
+    Q_INVOKABLE bool isWin();
+
 };
 
 #endif // FLUTOOLS_H

src/imports/FluentUI/Controls/FluAppBar.qml

@@ -20,7 +20,7 @@ Rectangle{
     property color closeHoverColor:  Qt.rgba(251/255,115/255,115/255,1)
     property bool showDark: false
     property bool titleVisible: true
-    property bool isMac: Qt.platform.os === "osx"
+    property bool isMac: FluTools.isMacos()
     property color borerlessColor : FluTheme.dark ? FluTheme.primaryColor.lighter : FluTheme.primaryColor.dark
     id:root
     color: Qt.rgba(0,0,0,0)