update

src/FluFramelessHelper.cpp

@@ -98,6 +98,20 @@ bool FramelessEventFilter::nativeEventFilter(const QByteArray &eventType, void *
         }
         return false;
     }else if(uMsg == WM_NCCALCSIZE){
+        const auto clientRect = ((wParam == FALSE) ? reinterpret_cast<LPRECT>(lParam) : &(reinterpret_cast<LPNCCALCSIZE_PARAMS>(lParam))->rgrc[0]);
+        const LONG originalTop = clientRect->top;
+        const LONG originalLeft = clientRect->left;
+        const LRESULT hitTestResult = ::DefWindowProcW(hwnd, WM_NCCALCSIZE, wParam, lParam);
+        if ((hitTestResult != HTERROR) && (hitTestResult != HTNOWHERE)) {
+            *result = hitTestResult;
+            return true;
+        }
+        if(IsZoomed(hwnd)){
+            _helper->setOriginalPos(QPoint(originalLeft,originalTop));
+        }else{
+            _helper->setOriginalPos({});
+        }
+        clientRect->top = originalTop;
         *result = WVR_REDRAW;
         return true;
     }else if(uMsg == WM_NCPAINT){
@@ -243,7 +257,7 @@ void FluFramelessHelper::componentComplete(){
     }
     if(!window.isNull()){
 #ifdef Q_OS_WIN
-        window->setFlags(window->flags() | Qt::FramelessWindowHint | Qt::WindowMinimizeButtonHint);
+        //        window->setFlags(window->flags() | Qt::FramelessWindowHint | Qt::WindowMinimizeButtonHint);
         _nativeEvent =new FramelessEventFilter(this);
         qApp->installNativeEventFilter(_nativeEvent);
         HWND hwnd = reinterpret_cast<HWND>(window->winId());
@@ -254,12 +268,12 @@ void FluFramelessHelper::componentComplete(){
             SetWindowLongPtr(hwnd, GWL_STYLE, style | WS_THICKFRAME | WS_CAPTION);
         }
         SetWindowPos(hwnd,nullptr,0,0,0,0,SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOMOVE | SWP_NOSIZE | SWP_FRAMECHANGED);
-        showShadow(hwnd);
 #else
         window->setFlags((window->flags() & (~Qt::WindowMinMaxButtonsHint) & (~Qt::Dialog)) | Qt::FramelessWindowHint | Qt::Window);
 #endif
         _stayTop = QQmlProperty(window,"stayTop");
         _screen = QQmlProperty(window,"screen");
+        _originalPos = QQmlProperty(window,"_originalPos");
         _onStayTopChange();
         _stayTop.connectNotifySignal(this,SLOT(_onStayTopChange()));
         _screen.connectNotifySignal(this,SLOT(_onScreenChanged()));
@@ -353,6 +367,10 @@ QObject* FluFramelessHelper::maximizeButton(){
     return var.value<QObject*>();
 }
 
+void FluFramelessHelper::setOriginalPos(QVariant pos){
+    _originalPos.write(pos);
+}
+
 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 setOriginalPos(QVariant pos);
     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 _originalPos;
 };
 
 #endif // FLUFRAMELESSHELPER_H

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

@@ -54,6 +54,7 @@ Window {
     signal initArgument(var argument)
     signal firstVisible()
     property point _offsetXY : Qt.point(0,0)
+    property var _originalPos
     id:window
     color:"transparent"
     Component.onCompleted: {
@@ -73,12 +74,12 @@ Window {
     Component.onDestruction: {
         lifecycle.onDestruction()
     }
-    onVisibilityChanged: {
+    on_OriginalPosChanged: {
-        if(visibility === Window.Maximized || visibility === Window.FullScreen){
+        if(_originalPos){
-            var dx = window.x-Screen.virtualX
+            var dx = (_originalPos.x - screen.virtualX)/screen.devicePixelRatio
-            var dy = window.y-Screen.virtualY
+            var dy = _originalPos.y - screen.virtualY/screen.devicePixelRatio
             if(dx<0 && dy<0){
-                _offsetXY = Qt.point(Math.abs(dx+1),Math.abs(dy+1))
+                _offsetXY = Qt.point(Math.abs(dx),Math.abs(dy))
             }else{
                 _offsetXY = Qt.point(0,0)
             }
@@ -191,10 +192,7 @@ Window {
         id:layout_container
         anchors{
             fill:parent
-            leftMargin: _offsetXY.x
+            topMargin: _offsetXY.x
-            rightMargin: _offsetXY.x
-            topMargin: _offsetXY.y
-            bottomMargin: _offsetXY.y
         }
         onWidthChanged: {
             window.appBar.width = width

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

@@ -53,6 +53,7 @@ Window {
     signal initArgument(var argument)
     signal firstVisible()
     property point _offsetXY : Qt.point(0,0)
+    property var _originalPos
     id:window
     color:"transparent"
     Component.onCompleted: {
@@ -72,12 +73,12 @@ Window {
     Component.onDestruction: {
         lifecycle.onDestruction()
     }
-    onVisibilityChanged: {
+    on_OriginalPosChanged: {
-        if(visibility === Window.Maximized || visibility === Window.FullScreen){
+        if(_originalPos){
-            var dx = window.x-Screen.virtualX
+            var dx = (_originalPos.x - screen.virtualX)/screen.devicePixelRatio
-            var dy = window.y-Screen.virtualY
+            var dy = _originalPos.y - screen.virtualY/screen.devicePixelRatio
             if(dx<0 && dy<0){
-                _offsetXY = Qt.point(Math.abs(dx+1),Math.abs(dy+1))
+                _offsetXY = Qt.point(Math.abs(dx),Math.abs(dy))
             }else{
                 _offsetXY = Qt.point(0,0)
             }
@@ -190,10 +191,7 @@ Window {
         id:layout_container
         anchors{
             fill:parent
-            leftMargin: _offsetXY.x
+            topMargin: _offsetXY.x
-            rightMargin: _offsetXY.x
-            topMargin: _offsetXY.y
-            bottomMargin: _offsetXY.y
         }
         onWidthChanged: {
             window.appBar.width = width