切换窗口会闪一下边框，需修复

example/example_en_US.ts

@@ -2261,21 +2261,26 @@ Some contents...</source>
     </message>
     <message>
         <location filename="qml/page/T_Theme.qml" line="123"/>
+        <source>Rounded Window</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="qml/page/T_Theme.qml" line="134"/>
         <source>Open Blur Window</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="qml/page/T_Theme.qml" line="136"/>
+        <location filename="qml/page/T_Theme.qml" line="147"/>
         <source>window tintOpacity</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="qml/page/T_Theme.qml" line="153"/>
+        <location filename="qml/page/T_Theme.qml" line="164"/>
         <source>window blurRadius</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="qml/page/T_Theme.qml" line="169"/>
+        <location filename="qml/page/T_Theme.qml" line="180"/>
         <source>window effect</source>
         <translation type="unfinished"></translation>
     </message>

example/example_zh_CN.ts

@@ -2443,21 +2443,26 @@ Some contents...</source>
     </message>
     <message>
         <location filename="qml/page/T_Theme.qml" line="123"/>
+        <source>Rounded Window</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="qml/page/T_Theme.qml" line="134"/>
         <source>Open Blur Window</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="qml/page/T_Theme.qml" line="136"/>
+        <location filename="qml/page/T_Theme.qml" line="147"/>
         <source>window tintOpacity</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="qml/page/T_Theme.qml" line="153"/>
+        <location filename="qml/page/T_Theme.qml" line="164"/>
         <source>window blurRadius</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="qml/page/T_Theme.qml" line="169"/>
+        <location filename="qml/page/T_Theme.qml" line="180"/>
         <source>window effect</source>
         <translation type="unfinished"></translation>
     </message>

example/qml/page/T_Theme.qml

@@ -119,6 +119,17 @@ FluScrollablePage{
                     FluTheme.animationEnabled = !FluTheme.animationEnabled
                 }
             }
+            FluText{
+                text: qsTr("Rounded Window")
+                Layout.topMargin: 20
+            }
+            FluToggleSwitch{
+                Layout.topMargin: 5
+                checked: window.roundCornerEnable
+                onClicked: {
+                    window.roundCornerEnable = !window.roundCornerEnable
+                }
+            }
             FluText{
                 text: qsTr("Open Blur Window")
                 Layout.topMargin: 20

src/FluFrameless.cpp

@@ -76,7 +76,7 @@ static inline bool isWin10Only() {
 
 static inline bool isWin7Only() {
     RTL_OSVERSIONINFOW rovi = GetRealOSVersion();
-    return rovi.dwMajorVersion = 7;
+    return rovi.dwMajorVersion == 7;
 }
 
 static inline QByteArray qtNativeEventType() {
@@ -109,8 +109,7 @@ static inline bool initializeFunctionPointers() {
             }
         }
         if (!pDwmEnableBlurBehindWindow) {
-            pDwmEnableBlurBehindWindow =
+            pDwmEnableBlurBehindWindow = reinterpret_cast<DwmEnableBlurBehindWindowFunc>(
-                reinterpret_cast<DwmEnableBlurBehindWindowFunc>(
                 GetProcAddress(module, "DwmEnableBlurBehindWindow"));
             if (!pDwmEnableBlurBehindWindow) {
                 return false;
@@ -145,6 +144,25 @@ static inline void setShadow(HWND hwnd) {
     if (initializeFunctionPointers()) {
         pDwmExtendFrameIntoClientArea(hwnd, &shadow);
     }
+    if(isWin7Only()){
+        SetClassLong(hwnd, GCL_STYLE, GetClassLong(hwnd, GCL_STYLE) | CS_DROPSHADOW);
+    }
+}
+
+static void setWindowRoundCorners(HWND hwnd) {
+    const MARGINS shadow = {-15};
+    if (initializeFunctionPointers()) {
+        pDwmExtendFrameIntoClientArea(hwnd, &shadow);
+    }
+    RECT rect;
+    GetWindowRect(hwnd, &rect);
+    int width = rect.right - rect.left;
+    int height = rect.bottom - rect.top;
+    const int radius = 15;
+    HRGN hRgn = CreateRoundRectRgn(0, 0, width + 1, height + 1, radius, radius);
+    SetWindowRgn(hwnd, hRgn, TRUE);
+    SetClassLong(hwnd, GCL_STYLE, GetClassLong(hwnd, GCL_STYLE) | CS_DROPSHADOW);
+    DeleteObject(hRgn);
 }
 
 static inline bool setWindowDarkMode(HWND hwnd, const BOOL enable) {
@@ -375,7 +393,8 @@ void FluFrameless::componentComplete() {
     int w = window()->width();
     int h = window()->height();
     _current = window()->winId();
-    window()->setFlags((window()->flags()) | Qt::CustomizeWindowHint | Qt::WindowMinimizeButtonHint | Qt::WindowCloseButtonHint);
+    window()->setFlags((window()->flags()) | Qt::CustomizeWindowHint |
+                       Qt::WindowMinimizeButtonHint | Qt::WindowCloseButtonHint);
     if (!_fixSize) {
         window()->setFlag(Qt::WindowMaximizeButtonHint);
     }
@@ -390,7 +409,6 @@ void FluFrameless::componentComplete() {
     if (_closeButton) {
         setHitTestVisible(_closeButton);
     }
-
     auto appBarHeight = _appbar->height();
     h = qRound(h + appBarHeight);
     if (_fixSize) {
@@ -401,15 +419,14 @@ void FluFrameless::componentComplete() {
         window()->setMaximumHeight(window()->maximumHeight() + appBarHeight);
     }
     window()->resize(QSize(w, h));
-    connect(this, &FluFrameless::topmostChanged, this, [this] {
+    connect(this, &FluFrameless::topmostChanged, this, [this] { _setWindowTopmost(topmost()); });
-        _setWindowTopmost(topmost());
-    });
     _setWindowTopmost(topmost());
     _setMaximizeHovered(false);
     _setMaximizePressed(false);
 }
 
-[[maybe_unused]] bool FluFrameless::nativeEventFilter(const QByteArray &eventType, void *message, QT_NATIVE_EVENT_RESULT_TYPE *result) {
+[[maybe_unused]] bool FluFrameless::nativeEventFilter(const QByteArray &eventType, void *message,
+                                                      QT_NATIVE_EVENT_RESULT_TYPE *result) {
 #ifdef Q_OS_WIN
     if ((eventType != qtNativeEventType()) || !message) {
         return false;
@@ -430,7 +447,8 @@ void FluFrameless::componentComplete() {
         auto *wp = reinterpret_cast<WINDOWPOS *>(lParam);
         if (wp != nullptr && (wp->flags & SWP_NOSIZE) == 0) {
             wp->flags |= SWP_NOCOPYBITS;
-            *result = static_cast<QT_NATIVE_EVENT_RESULT_TYPE>(::DefWindowProcW(hwnd, uMsg, wParam, lParam));
+            *result = static_cast<QT_NATIVE_EVENT_RESULT_TYPE>(
+                ::DefWindowProcW(hwnd, uMsg, wParam, lParam));
             return true;
         }
         return false;
@@ -499,21 +517,23 @@ void FluFrameless::componentComplete() {
         *result = FALSE;
         return false;
     } else if (uMsg == WM_NCACTIVATE) {
-        if (effective() || (!effect().isEmpty() && _currentEffect!="normal")) {
+        if (effective() || (!effect().isEmpty() && effect() != "normal")) {
             return false;
         }
         *result = TRUE;
         return true;
     } else if (_isWindows11OrGreater && (uMsg == WM_NCLBUTTONDBLCLK || uMsg == WM_NCLBUTTONDOWN)) {
         if (_hitMaximizeButton()) {
-            QMouseEvent event = QMouseEvent(QEvent::MouseButtonPress, QPoint(), QPoint(), Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
+            QMouseEvent event = QMouseEvent(QEvent::MouseButtonPress, QPoint(), QPoint(),
+                                            Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
             QGuiApplication::sendEvent(_maximizeButton, &event);
             _setMaximizePressed(true);
             return true;
         }
     } else if (_isWindows11OrGreater && (uMsg == WM_NCLBUTTONUP || uMsg == WM_NCRBUTTONUP)) {
         if (_hitMaximizeButton()) {
-            QMouseEvent event = QMouseEvent(QEvent::MouseButtonRelease, QPoint(), QPoint(), Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
+            QMouseEvent event = QMouseEvent(QEvent::MouseButtonRelease, QPoint(), QPoint(),
+                                            Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
             QGuiApplication::sendEvent(_maximizeButton, &event);
             _setMaximizePressed(false);
             return true;
@@ -568,7 +588,8 @@ void FluFrameless::_showSystemMenu(QPoint point) {
         return;
     }
     const QPoint origin = screen->geometry().topLeft();
-    auto nativePos = QPointF(QPointF(point - origin) * window()->devicePixelRatio()).toPoint() + origin;
+    auto nativePos =
+        QPointF(QPointF(point - origin) * window()->devicePixelRatio()).toPoint() + origin;
     HWND hwnd = reinterpret_cast<HWND>(window()->winId());
     auto hMenu = ::GetSystemMenu(hwnd, FALSE);
     if (_isMaximized() || _isFullScreen()) {
@@ -585,8 +606,10 @@ void FluFrameless::_showSystemMenu(QPoint point) {
         ::EnableMenuItem(hMenu, SC_SIZE, MFS_DISABLED);
         ::EnableMenuItem(hMenu, SC_MAXIMIZE, MFS_DISABLED);
     }
-    const int result = ::TrackPopupMenu(hMenu, (TPM_RETURNCMD | (QGuiApplication::isRightToLeft() ? TPM_RIGHTALIGN : TPM_LEFTALIGN)), nativePos.x(),
+    const int result = ::TrackPopupMenu(
-                                        nativePos.y(), 0, hwnd, nullptr);
+        hMenu,
+        (TPM_RETURNCMD | (QGuiApplication::isRightToLeft() ? TPM_RIGHTALIGN : TPM_LEFTALIGN)),
+        nativePos.x(), nativePos.y(), 0, hwnd, nullptr);
     if (result) {
         ::PostMessageW(hwnd, WM_SYSCOMMAND, result, 0);
     }
@@ -740,7 +763,8 @@ bool FluFrameless::eventFilter(QObject *obj, QEvent *ev) {
 #  else
                 event->position().toPoint();
 #  endif
-        if(p.x() >= _margins && p.x() <= (window()->width() - _margins) && p.y() >= _margins && p.y() <= (window()->height() - _margins)){
+            if (p.x() >= _margins && p.x() <= (window()->width() - _margins) && p.y() >= _margins &&
+                p.y() <= (window()->height() - _margins)) {
                 if (_edges != 0) {
                     _edges = 0;
                     _updateCursor(_edges);

src/FluFrameless.h

@@ -162,6 +162,7 @@ private:
 
     void _setMaximizeHovered(bool val);
 
+
 private:
     quint64 _current = 0;
     int _edges = 0;