update

src/Qt5/imports/FluentUI/Controls/FluWindow.qml

@@ -53,6 +53,7 @@ Window {
     signal showSystemMenu
     signal initArgument(var argument)
     signal firstVisible()
+    property point _offsetXY : Qt.point(0,0)
     id:window
     color:"transparent"
     Component.onCompleted: {
@@ -72,6 +73,19 @@ Window {
     Component.onDestruction: {
         lifecycle.onDestruction()
     }
+    onVisibilityChanged: {
+        if(visibility === Window.Maximized || visibility === Window.FullScreen){
+            var dx = window.x-Screen.virtualX
+            var dy = window.y-Screen.virtualY
+            if(dx<0 && dy<0){
+                _offsetXY = Qt.point(Math.abs(dx+1),Math.abs(dy+1))
+            }else{
+                _offsetXY = Qt.point(0,0)
+            }
+        }else{
+            _offsetXY = Qt.point(0,0)
+        }
+    }
     onShowSystemMenu: {
         if(loader_frameless_helper.item){
             loader_frameless_helper.item.showSystemMenu()
@@ -177,6 +191,10 @@ Window {
         id:layout_container
         anchors{
             fill:parent
+            leftMargin: _offsetXY.x
+            rightMargin: _offsetXY.x
+            topMargin: _offsetXY.y
+            bottomMargin: _offsetXY.y
         }
         onWidthChanged: {
             window.appBar.width = width
@@ -229,7 +247,7 @@ Window {
             border.width: window.resizeBorderWidth
             border.color: window.resizeBorderColor
             visible: {
-                if(window.useSystemAppBar || FluTools.isWin()){
+                if(window.useSystemAppBar){
                     return false
                 }
                 if(window.visibility == Window.Maximized || window.visibility == Window.FullScreen){