src/FluFramelessHelper.cpp

@@ -113,6 +113,14 @@ bool FramelessEventFilter::nativeEventFilter(const QByteArray &eventType, void *
             QGuiApplication::sendEvent(_helper->maximizeButton(),&event);
         }
         return false;
+    }else if(uMsg == WM_GETMINMAXINFO){
+        if(IsZoomed(hwnd)){
+            RECT frame = {0,0,0,0};
+            AdjustWindowRectEx(&frame,WS_OVERLAPPEDWINDOW,FALSE,0);
+            _helper->setOffsetXY(QPoint(floor(abs(frame.left)/_helper->window->devicePixelRatio()),floor(abs(frame.bottom)/_helper->window->devicePixelRatio())));
+        }else{
+            _helper->setOffsetXY(QPoint(0,0));
+        }
     }
     return false;
 #endif
@@ -239,6 +247,7 @@ void FluFramelessHelper::componentComplete(){
 #endif
         _stayTop = QQmlProperty(window,"stayTop");
         _screen = QQmlProperty(window,"screen");
+        _offsetXY = QQmlProperty(window,"_offsetXY");
         _onStayTopChange();
         _stayTop.connectNotifySignal(this,SLOT(_onStayTopChange()));
         _screen.connectNotifySignal(this,SLOT(_onScreenChanged()));
@@ -332,6 +341,10 @@ QObject* FluFramelessHelper::maximizeButton(){
     return var.value<QObject*>();
 }
 
+void FluFramelessHelper::setOffsetXY(QPoint val){
+    _offsetXY.write(val);
+}
+
 bool FluFramelessHelper::resizeable(){
     return !(window->width() == window->maximumWidth() && window->width() == window->minimumWidth() && window->height() == window->maximumHeight() && window->height() == window->minimumHeight());
 }

src/FluFramelessHelper.h

@@ -39,6 +39,7 @@ public:
     bool hoverMaxBtn();
     bool resizeable();
     QObject* maximizeButton();
+    void setOffsetXY(QPoint val);
     Q_INVOKABLE void showSystemMenu();
 protected:
     bool eventFilter(QObject *obj, QEvent *event) override;
@@ -54,6 +55,7 @@ private:
     FramelessEventFilter* _nativeEvent = nullptr;
     QQmlProperty _stayTop;
     QQmlProperty _screen;
+    QQmlProperty _offsetXY;
 };
 
 #endif // FLUFRAMELESSHELPER_H

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

@@ -73,19 +73,6 @@ 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()

src/Qt6/imports/FluentUI/Controls/FluWindow.qml

@@ -72,19 +72,6 @@ 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()