add frameless dialog & demo

And some other minor fixes.

Signed-off-by: Yuhang Zhao <2546789017@qq.com>

examples/CMakeLists.txt

@@ -26,6 +26,7 @@ if(FRAMELESSHELPER_BUILD_WIDGETS AND TARGET Qt${QT_VERSION_MAJOR}::Widgets)
     add_subdirectory(widget)
     add_subdirectory(mainwindow)
     add_subdirectory(openglwidget)
+    add_subdirectory(dialog)
 endif()
 
 if(FRAMELESSHELPER_BUILD_QUICK AND TARGET Qt${QT_VERSION_MAJOR}::Quick AND ${QT_VERSION_MAJOR} GREATER_EQUAL 6)

examples/dialog/CMakeLists.txt

@@ -0,0 +1,52 @@
+#[[
+  MIT License
+
+  Copyright (C) 2022 by wangwenx190 (Yuhang Zhao)
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+  SOFTWARE.
+]]
+
+set(SOURCES
+    dialog.h
+    dialog.cpp
+    main.cpp
+)
+
+if(WIN32)
+    enable_language(RC)
+    list(APPEND SOURCES ../example.rc ../example.manifest)
+endif()
+
+add_executable(Dialog ${SOURCES})
+
+target_link_libraries(Dialog PRIVATE
+    Qt${QT_VERSION_MAJOR}::Widgets
+    FramelessHelper::Widgets
+)
+
+target_compile_definitions(Dialog PRIVATE
+    QT_NO_KEYWORDS
+)
+
+include(../../src/core/cmakehelper.cmake)
+setup_gui_app(Dialog)
+setup_compile_params(Dialog)
+if(FRAMELESSHELPER_EXAMPLES_DEPLOYQT)
+    deploy_qt_runtime(Dialog)
+endif()

examples/dialog/dialog.cpp

@@ -0,0 +1,103 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "dialog.h"
+#include <QtWidgets/qlabel.h>
+#include <QtWidgets/qlineedit.h>
+#include <QtWidgets/qcheckbox.h>
+#include <QtWidgets/qdialogbuttonbox.h>
+#include <QtWidgets/qpushbutton.h>
+#include <QtWidgets/qboxlayout.h>
+#include <QtWidgets/qfileiconprovider.h>
+#include <StandardTitleBar>
+#include <FramelessWidgetsHelper>
+#include <StandardSystemButton>
+#include <private/framelesswidgetshelper_p.h>
+
+FRAMELESSHELPER_USE_NAMESPACE
+
+using namespace Global;
+
+Dialog::Dialog(QWidget *parent) : FramelessDialog(parent)
+{
+    setupUi();
+}
+
+Dialog::~Dialog() = default;
+
+void Dialog::setupUi()
+{
+    setWindowTitle(tr("Qt Dialog demo"));
+    setWindowIcon(QFileIconProvider().icon(QFileIconProvider::Computer));
+
+    titleBar = new StandardTitleBar(this);
+    titleBar->setWindowIconVisible(true);
+    titleBar->maximizeButton()->hide();
+
+    label = new QLabel(tr("Find &what:"));
+    lineEdit = new QLineEdit;
+    label->setBuddy(lineEdit);
+
+    caseCheckBox = new QCheckBox(tr("Match &case"));
+    fromStartCheckBox = new QCheckBox(tr("Search from &start"));
+    fromStartCheckBox->setChecked(true);
+
+    findButton = new QPushButton(tr("&Find"));
+    findButton->setDefault(true);
+
+    moreButton = new QPushButton(tr("&More"));
+    moreButton->setCheckable(true);
+    moreButton->setAutoDefault(false);
+
+    extension = new QWidget;
+
+    wholeWordsCheckBox = new QCheckBox(tr("&Whole words"));
+    backwardCheckBox = new QCheckBox(tr("Search &backward"));
+    searchSelectionCheckBox = new QCheckBox(tr("Search se&lection"));
+
+    buttonBox = new QDialogButtonBox(Qt::Vertical);
+    buttonBox->addButton(findButton, QDialogButtonBox::ActionRole);
+    buttonBox->addButton(moreButton, QDialogButtonBox::ActionRole);
+
+    connect(moreButton, &QPushButton::toggled, extension, &QWidget::setVisible);
+
+    QVBoxLayout *extensionLayout = new QVBoxLayout;
+    extensionLayout->setContentsMargins(0, 0, 0, 0);
+    extensionLayout->addWidget(wholeWordsCheckBox);
+    extensionLayout->addWidget(backwardCheckBox);
+    extensionLayout->addWidget(searchSelectionCheckBox);
+    extension->setLayout(extensionLayout);
+
+    QHBoxLayout *topLeftLayout = new QHBoxLayout;
+    topLeftLayout->addWidget(label);
+    topLeftLayout->addWidget(lineEdit);
+
+    QVBoxLayout *leftLayout = new QVBoxLayout;
+    leftLayout->addLayout(topLeftLayout);
+    leftLayout->addWidget(caseCheckBox);
+    leftLayout->addWidget(fromStartCheckBox);
+
+    QGridLayout *controlsLayout = new QGridLayout;
+    controlsLayout->setContentsMargins(11, 11, 11, 11);
+    controlsLayout->addLayout(leftLayout, 0, 0);
+    controlsLayout->addWidget(buttonBox, 0, 1);
+    controlsLayout->addWidget(extension, 1, 0, 1, 2);
+    controlsLayout->setRowStretch(2, 1);
+
+    QVBoxLayout *mainLayout = new QVBoxLayout;
+    mainLayout->setContentsMargins(0, 0, 0, 0);
+    mainLayout->setSizeConstraint(QLayout::SetFixedSize);
+    mainLayout->addWidget(titleBar);
+    mainLayout->addLayout(controlsLayout);
+
+    setLayout(mainLayout);
+
+    extension->hide();
+
+    FramelessWidgetsHelper *helper = FramelessWidgetsHelper::get(this);
+    helper->setTitleBarWidget(titleBar);
+    helper->setSystemButton(titleBar->minimizeButton(), SystemButtonType::Minimize);
+    helper->setSystemButton(titleBar->maximizeButton(), SystemButtonType::Maximize);
+    helper->setSystemButton(titleBar->closeButton(), SystemButtonType::Close);
+    FramelessWidgetsHelperPrivate::get(helper)->setProperty(FRAMELESSHELPER_BYTEARRAY_LITERAL("FRAMELESSHELPER_DONT_OVERRIDE_CURSOR"), true);
+}

examples/dialog/dialog.h

@@ -0,0 +1,46 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#pragma once
+
+#include <FramelessDialog>
+
+QT_BEGIN_NAMESPACE
+class QCheckBox;
+class QDialogButtonBox;
+class QGroupBox;
+class QLabel;
+class QLineEdit;
+class QPushButton;
+QT_END_NAMESPACE
+
+FRAMELESSHELPER_BEGIN_NAMESPACE
+class StandardTitleBar;
+FRAMELESSHELPER_END_NAMESPACE
+
+class Dialog : public FRAMELESSHELPER_PREPEND_NAMESPACE(FramelessDialog)
+{
+    Q_OBJECT
+    Q_DISABLE_COPY_MOVE(Dialog)
+
+public:
+    explicit Dialog(QWidget *parent = nullptr);
+    ~Dialog() override;
+
+private:
+    void setupUi();
+
+private:
+    FRAMELESSHELPER_PREPEND_NAMESPACE(StandardTitleBar) *titleBar = nullptr;
+    QLabel *label = nullptr;
+    QLineEdit *lineEdit = nullptr;
+    QCheckBox *caseCheckBox = nullptr;
+    QCheckBox *fromStartCheckBox = nullptr;
+    QCheckBox *wholeWordsCheckBox = nullptr;
+    QCheckBox *searchSelectionCheckBox = nullptr;
+    QCheckBox *backwardCheckBox = nullptr;
+    QDialogButtonBox *buttonBox = nullptr;
+    QPushButton *findButton = nullptr;
+    QPushButton *moreButton = nullptr;
+    QWidget *extension = nullptr;
+};

examples/dialog/main.cpp

@@ -0,0 +1,58 @@
+/*
+ * MIT License
+ *
+ * Copyright (C) 2022 by wangwenx190 (Yuhang Zhao)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <QtWidgets/qapplication.h>
+#include <framelessconfig_p.h>
+#include <clocale>
+#include "dialog.h"
+
+FRAMELESSHELPER_USE_NAMESPACE
+
+int main(int argc, char *argv[])
+{
+    std::setlocale(LC_ALL, "en_US.UTF-8");
+
+    // Not necessary, but better call this function, before the construction
+    // of any Q(Core|Gui)Application instances.
+    FramelessHelper::Widgets::initialize();
+
+    QApplication application(argc, argv);
+
+    // Must be called after QGuiApplication has been constructed, we are using
+    // some private functions from QPA which won't be available until there's
+    // a QGuiApplication instance.
+    FramelessHelper::Core::setApplicationOSThemeAware(true, false);
+
+    FramelessConfig::instance()->set(Global::Option::WindowUseRoundCorners);
+    FramelessConfig::instance()->set(Global::Option::EnableBlurBehindWindow);
+
+    Dialog dialog;
+    dialog.show();
+
+    const int exec = QCoreApplication::exec();
+
+    FramelessHelper::Widgets::uninitialize();
+
+    return exec;
+}

include/FramelessHelper/Core/framelesshelpercore_global.h

@@ -452,6 +452,10 @@ using GetWindowIdCallback = std::function<WId()>;
 using ShouldIgnoreMouseEventsCallback = std::function<bool(const QPoint &)>;
 using ShowSystemMenuCallback = std::function<void(const QPoint &)>;
 using GetCurrentApplicationTypeCallback = std::function<ApplicationType()>;
+using SetPropertyCallback = std::function<void(const QByteArray &, const QVariant &)>;
+using GetPropertyCallback = std::function<QVariant(const QByteArray &, const QVariant &)>;
+using SetCursorCallback = std::function<void(const QCursor &)>;
+using UnsetCursorCallback = std::function<void()>;
 
 struct SystemParameters
 {
@@ -477,6 +481,10 @@ struct SystemParameters
     ShouldIgnoreMouseEventsCallback shouldIgnoreMouseEvents = nullptr;
     ShowSystemMenuCallback showSystemMenu = nullptr;
     GetCurrentApplicationTypeCallback getCurrentApplicationType = nullptr;
+    SetPropertyCallback setProperty = nullptr;
+    GetPropertyCallback getProperty = nullptr;
+    SetCursorCallback setCursor = nullptr;
+    UnsetCursorCallback unsetCursor = nullptr;
 
     [[nodiscard]] inline bool isValid() const
     {
@@ -502,6 +510,10 @@ struct SystemParameters
         Q_ASSERT(shouldIgnoreMouseEvents);
         Q_ASSERT(showSystemMenu);
         Q_ASSERT(getCurrentApplicationType);
+        Q_ASSERT(setProperty);
+        Q_ASSERT(getProperty);
+        Q_ASSERT(setCursor);
+        Q_ASSERT(unsetCursor);
         return (getWindowFlags && setWindowFlags && getWindowSize
                 && setWindowSize && getWindowPosition && setWindowPosition
                 && getWindowScreen && isWindowFixedSize && setWindowFixedSize
@@ -509,7 +521,8 @@ struct SystemParameters
                 && windowToScreen && screenToWindow && isInsideSystemButtons
                 && isInsideTitleBarDraggableArea && getWindowDevicePixelRatio
                 && setSystemButtonState && getWindowId && shouldIgnoreMouseEvents
-                && showSystemMenu && getCurrentApplicationType);
+                && showSystemMenu && getCurrentApplicationType && setProperty
+                && getProperty && setCursor && unsetCursor);
     }
 };
 

include/FramelessHelper/Quick/private/framelessquickhelper_p.h

@@ -71,6 +71,9 @@ public:
     Q_NODISCARD bool isBlurBehindWindowEnabled() const;
     void setBlurBehindWindowEnabled(const bool value, const QColor &color);
 
+    void setProperty(const QByteArray &name, const QVariant &value);
+    Q_NODISCARD QVariant getProperty(const QByteArray &name, const QVariant &defaultValue = {});
+
 protected:
     Q_NODISCARD bool eventFilter(QObject *object, QEvent *event) override;
 

include/FramelessHelper/Widgets/FramelessDialog

@@ -0,0 +1 @@
+#include <framelessdialog.h>

include/FramelessHelper/Widgets/framelessdialog.h

@@ -0,0 +1,53 @@
+/*
+ * MIT License
+ *
+ * Copyright (C) 2022 by wangwenx190 (Yuhang Zhao)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#pragma once
+
+#include "framelesshelperwidgets_global.h"
+#include <QtCore/qloggingcategory.h>
+#include <QtWidgets/qdialog.h>
+
+FRAMELESSHELPER_BEGIN_NAMESPACE
+
+Q_DECLARE_LOGGING_CATEGORY(lcFramelessDialog)
+
+class FramelessDialogPrivate;
+
+class FRAMELESSHELPER_WIDGETS_API FramelessDialog : public QDialog
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(FramelessDialog)
+    Q_DISABLE_COPY_MOVE(FramelessDialog)
+
+public:
+    explicit FramelessDialog(QWidget *parent = nullptr);
+    ~FramelessDialog() override;
+
+private:
+    QScopedPointer<FramelessDialogPrivate> d_ptr;
+};
+
+FRAMELESSHELPER_END_NAMESPACE
+
+Q_DECLARE_METATYPE2(FRAMELESSHELPER_PREPEND_NAMESPACE(FramelessDialog))

include/FramelessHelper/Widgets/private/framelessdialog_p.h

@@ -0,0 +1,61 @@
+/*
+ * MIT License
+ *
+ * Copyright (C) 2022 by wangwenx190 (Yuhang Zhao)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#pragma once
+
+#include "framelesshelperwidgets_global.h"
+#include "framelessdialog.h"
+#include <QtCore/qobject.h>
+#include <QtCore/qpointer.h>
+
+FRAMELESSHELPER_BEGIN_NAMESPACE
+
+class WidgetsSharedHelper;
+
+class FRAMELESSHELPER_WIDGETS_API FramelessDialogPrivate : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PUBLIC(FramelessDialog)
+    Q_DISABLE_COPY_MOVE(FramelessDialogPrivate)
+
+public:
+    explicit FramelessDialogPrivate(FramelessDialog *q);
+    ~FramelessDialogPrivate() override;
+
+    Q_NODISCARD static FramelessDialogPrivate *get(FramelessDialog *pub);
+    Q_NODISCARD static const FramelessDialogPrivate *get(const FramelessDialog *pub);
+
+    Q_NODISCARD WidgetsSharedHelper *widgetsSharedHelper() const;
+
+private:
+    void initialize();
+
+private:
+    QPointer<FramelessDialog> q_ptr = nullptr;
+    QScopedPointer<WidgetsSharedHelper> m_helper;
+};
+
+FRAMELESSHELPER_END_NAMESPACE
+
+Q_DECLARE_METATYPE2(FRAMELESSHELPER_PREPEND_NAMESPACE(FramelessDialogPrivate))

include/FramelessHelper/Widgets/private/framelesswidgetshelper_p.h

@@ -67,6 +67,9 @@ public:
     Q_NODISCARD bool isBlurBehindWindowEnabled() const;
     void setBlurBehindWindowEnabled(const bool enable, const QColor &color);
 
+    void setProperty(const QByteArray &name, const QVariant &value);
+    Q_NODISCARD QVariant getProperty(const QByteArray &name, const QVariant &defaultValue = {});
+
 private:
     Q_NODISCARD QRect mapWidgetGeometryToScene(const QWidget * const widget) const;
     Q_NODISCARD bool isInSystemButtons(const QPoint &pos, Global::SystemButtonType *button) const;

qmake/widgets.pri

@@ -22,12 +22,14 @@ HEADERS += \
     $$WIDGETS_PUB_INC_DIR/standardsystembutton.h \
     $$WIDGETS_PUB_INC_DIR/framelesswidgetshelper.h \
     $$WIDGETS_PUB_INC_DIR/standardtitlebar.h \
+    $$WIDGETS_PUB_INC_DIR/framelessdialog.h \
     $$WIDGETS_PRIV_INC_DIR/framelesswidgetshelper_p.h \
     $$WIDGETS_PRIV_INC_DIR/standardsystembutton_p.h \
     $$WIDGETS_PRIV_INC_DIR/standardtitlebar_p.h \
     $$WIDGETS_PRIV_INC_DIR/framelesswidget_p.h \
     $$WIDGETS_PRIV_INC_DIR/framelessmainwindow_p.h \
-    $$WIDGETS_PRIV_INC_DIR/widgetssharedhelper_p.h
+    $$WIDGETS_PRIV_INC_DIR/widgetssharedhelper_p.h \
+    $$WIDGETS_PRIV_INC_DIR/framelessdialog_p.h
 
 SOURCES += \
     $$WIDGETS_SRC_DIR/framelessmainwindow.cpp \
@@ -36,4 +38,5 @@ SOURCES += \
     $$WIDGETS_SRC_DIR/standardsystembutton.cpp \
     $$WIDGETS_SRC_DIR/standardtitlebar.cpp \
     $$WIDGETS_SRC_DIR/widgetssharedhelper.cpp \
-    $$WIDGETS_SRC_DIR/framelesshelperwidgets_global.cpp
+    $$WIDGETS_SRC_DIR/framelesshelperwidgets_global.cpp \
+    $$WIDGETS_SRC_DIR/framelessdialog.cpp

src/core/framelesshelper_qt.cpp

@@ -41,6 +41,8 @@ Q_LOGGING_CATEGORY(lcFramelessHelperQt, "wangwenx190.framelesshelper.core.impl.q
 
 using namespace Global;
 
+FRAMELESSHELPER_BYTEARRAY_CONSTANT2(DontOverrideCursor, "FRAMELESSHELPER_DONT_OVERRIDE_CURSOR")
+
 struct QtHelperData
 {
     SystemParameters params = {};
@@ -151,6 +153,7 @@ bool FramelessHelperQt::eventFilter(QObject *object, QEvent *event)
     const bool windowFixedSize = data.params.isWindowFixedSize();
     const bool ignoreThisEvent = data.params.shouldIgnoreMouseEvents(scenePos);
     const bool insideTitleBar = data.params.isInsideTitleBarDraggableArea(scenePos);
+    const bool dontOverrideCursor = data.params.getProperty(kDontOverrideCursor, false).toBool();
     switch (type) {
     case QEvent::MouseButtonPress: {
         if (button == Qt::LeftButton) {
@@ -188,16 +191,16 @@ bool FramelessHelperQt::eventFilter(QObject *object, QEvent *event)
         }
     } break;
     case QEvent::MouseMove: {
-        if (!windowFixedSize) {
+        if (!windowFixedSize && !dontOverrideCursor) {
             const Qt::CursorShape cs = Utils::calculateCursorShape(window, scenePos);
             if (cs == Qt::ArrowCursor) {
                 if (data.cursorShapeChanged) {
-                    window->unsetCursor();
+                    data.params.unsetCursor();
                     const QMutexLocker locker(&g_qtHelper()->mutex);
                     g_qtHelper()->data[windowId].cursorShapeChanged = false;
                 }
             } else {
-                window->setCursor(cs);
+                data.params.setCursor(cs);
                 const QMutexLocker locker(&g_qtHelper()->mutex);
                 g_qtHelper()->data[windowId].cursorShapeChanged = true;
             }

src/core/framelesshelper_win.cpp

@@ -73,6 +73,7 @@ FRAMELESSHELPER_STRING_CONSTANT(SetWindowPos)
 FRAMELESSHELPER_STRING_CONSTANT(TrackMouseEvent)
 FRAMELESSHELPER_STRING_CONSTANT(FindWindowW)
 FRAMELESSHELPER_STRING_CONSTANT(UnregisterClassW)
+FRAMELESSHELPER_BYTEARRAY_CONSTANT2(DontOverrideCursor, "FRAMELESSHELPER_DONT_OVERRIDE_CURSOR")
 
 struct Win32HelperData
 {
@@ -652,35 +653,46 @@ bool FramelessHelperWin::nativeEventFilter(const QByteArray &eventType, void *me
         // preserve the four window borders.
 
         // If `wParam` is `FALSE`, `lParam` points to a `RECT` that contains
-        // the proposed window rectangle for our window.  During our
+        // the proposed window rectangle for our window. During our
         // processing of the `WM_NCCALCSIZE` message, we are expected to
         // modify the `RECT` that `lParam` points to, so that its value upon
-        // our return is the new client area.  We must return 0 if `wParam`
+        // our return is the new client area. We must return 0 if `wParam`
         // is `FALSE`.
-        //
         // If `wParam` is `TRUE`, `lParam` points to a `NCCALCSIZE_PARAMS`
-        // struct.  This struct contains an array of 3 `RECT`s, the first of
+        // struct. This struct contains an array of 3 `RECT`s, the first of
         // which has the exact same meaning as the `RECT` that is pointed to
-        // by `lParam` when `wParam` is `FALSE`.  The remaining `RECT`s, in
+        // by `lParam` when `wParam` is `FALSE`. The remaining `RECT`s, in
         // conjunction with our return value, can
         // be used to specify portions of the source and destination window
-        // rectangles that are valid and should be preserved.  We opt not to
+        // rectangles that are valid and should be preserved. We opt not to
         // implement an elaborate client-area preservation technique, and
         // simply return 0, which means "preserve the entire old client area
         // and align it with the upper-left corner of our new client area".
-        const auto clientRect = ((static_cast<BOOL>(wParam) == FALSE)
-                                 ? reinterpret_cast<LPRECT>(lParam)
-                                 : &(reinterpret_cast<LPNCCALCSIZE_PARAMS>(lParam))->rgrc[0]);
+        const auto clientRect = ((static_cast<BOOL>(wParam) == FALSE) ?
+            reinterpret_cast<LPRECT>(lParam) : &(reinterpret_cast<LPNCCALCSIZE_PARAMS>(lParam))->rgrc[0]);
         if (frameBorderVisible) {
-            // Store the original top before the default window proc applies the default frame.
+            // Store the original top margin before the default window procedure applies the default frame.
             const LONG originalTop = clientRect->top;
-            // Apply the default frame.
+            // Apply the default frame because we don't want to remove the whole window frame,
+            // we still need the standard window frame (the resizable frame border and the frame
+            // shadow) for the left, bottom and right edges.
+            // If we return 0 here directly, the whole window frame will be removed (which means
+            // there will be no resizable frame border and the frame shadow will also disappear),
+            // and that's also how most applications customize their title bars on Windows. It's
+            // totally OK but since we want to preserve as much original frame as possible, we
+            // can't use that solution.
             const LRESULT ret = DefWindowProcW(hWnd, WM_NCCALCSIZE, wParam, lParam);
             if (ret != 0) {
                 *result = ret;
                 return true;
             }
-            // Re-apply the original top from before the size of the default frame was applied.
+            // Re-apply the original top from before the size of the default frame was applied,
+            // and the whole top frame (the title bar and the top border) is gone now.
+            // For the top frame, we only has 2 choices: (1) remove the top frame entirely, or
+            // (2) don't touch it at all. We can't preserve the top border by adjusting the top
+            // margin here. If we try to modify the top margin, the original title bar will
+            // always be painted by DWM regardless what margin we set, so here we can only remove
+            // the top frame entirely and use some special technique to bring the top border back.
             clientRect->top = originalTop;
         }
         const bool max = IsMaximized(hWnd);
@@ -915,12 +927,13 @@ bool FramelessHelperWin::nativeEventFilter(const QByteArray &eventType, void *me
                 (GetAsyncKeyState(VK_RBUTTON) < 0) : (GetAsyncKeyState(VK_LBUTTON) < 0));
         const bool isTitleBar = (data.params.isInsideTitleBarDraggableArea(qtScenePos) && leftButtonPressed);
         const bool isFixedSize = data.params.isWindowFixedSize();
+        const bool dontOverrideCursor = data.params.getProperty(kDontOverrideCursor, false).toBool();
         if (frameBorderVisible) {
             // This will handle the left, right and bottom parts of the frame
             // because we didn't change them.
             const LRESULT originalRet = DefWindowProcW(hWnd, WM_NCHITTEST, 0, lParam);
             if (originalRet != HTCLIENT) {
-                *result = originalRet;
+                *result = (dontOverrideCursor ? HTBORDER : originalRet);
                 return true;
             }
             if (full) {
@@ -937,7 +950,10 @@ bool FramelessHelperWin::nativeEventFilter(const QByteArray &eventType, void *me
             // the little border at the top which the user can use to move or
             // resize the window.
             if (isTop && !isFixedSize) {
-                *result = HTTOP;
+                // Return HTCLIENT instead of HTBORDER here, because the mouse is
+                // inside our homemade title bar now, return HTCLIENT to let our
+                // title bar can still capture mouse events.
+                *result = (dontOverrideCursor ? HTCLIENT : HTTOP);
                 return true;
             }
             if (isTitleBar) {
@@ -970,6 +986,13 @@ bool FramelessHelperWin::nativeEventFilter(const QByteArray &eventType, void *me
                 const int scaledFrameSizeX = qRound(qreal(frameSizeX) * scaleFactor);
                 const bool isLeft = (nativeLocalPos.x < scaledFrameSizeX);
                 const bool isRight = (nativeLocalPos.x >= (width - scaledFrameSizeX));
+                if (dontOverrideCursor && (isTop || isBottom || isLeft || isRight)) {
+                    // Return HTCLIENT instead of HTBORDER here, because the mouse is
+                    // inside the window now, return HTCLIENT to let the controls
+                    // inside our window can still capture mouse events.
+                    *result = HTCLIENT;
+                    return true;
+                }
                 if (isTop) {
                     if (isLeft) {
                         *result = HTTOPLEFT;

src/core/micamaterial.cpp

@@ -384,9 +384,9 @@ static inline void expblur(QImage &img, qreal radius, const bool improvedQuality
 
     if (p) {
         p->save();
+        p->setRenderHints(QPainter::Antialiasing |
+            QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform);
         p->scale(scale, scale);
-        p->setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing
-            | QPainter::SmoothPixmapTransform, quality);
 #if (QT_VERSION >= QT_VERSION_CHECK(6, 2, 0))
         const QSize imageSize = blurImage.deviceIndependentSize().toSize();
 #else
@@ -527,15 +527,20 @@ void MicaMaterialPrivate::maybeGenerateBlurredWallpaper(const bool force)
     const QRect desktopRect = {desktopOriginPoint, size};
     if (aspectStyle == WallpaperAspectStyle::Tile) {
         QPainter bufferPainter(&buffer);
-        const QBrush brush(image);
-        bufferPainter.fillRect(desktopRect, brush);
+        bufferPainter.setRenderHints(QPainter::Antialiasing |
+            QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform);
+        bufferPainter.fillRect(desktopRect, QBrush(image));
     } else {
         QPainter bufferPainter(&buffer);
+        bufferPainter.setRenderHints(QPainter::Antialiasing |
+            QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform);
         const QRect rect = alignedRect(Qt::LeftToRight, Qt::AlignCenter, image.size(), desktopRect);
         bufferPainter.drawImage(rect.topLeft(), image);
     }
     g_micaMaterialData()->mutex.lock();
     QPainter painter(&g_micaMaterialData()->blurredWallpaper);
+    painter.setRenderHints(QPainter::Antialiasing |
+        QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform);
 #if 1
     qt_blurImage(&painter, buffer, kDefaultBlurRadius, true, false);
 #else
@@ -555,6 +560,8 @@ void MicaMaterialPrivate::updateMaterialBrush()
     fillColor.setAlphaF(0.9f);
     micaTexture.fill(fillColor);
     QPainter painter(&micaTexture);
+    painter.setRenderHints(QPainter::Antialiasing |
+        QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform);
     painter.setOpacity(tintOpacity);
     const QRect rect = {QPoint(0, 0), micaTexture.size()};
     painter.fillRect(rect, tintColor);
@@ -573,6 +580,8 @@ void MicaMaterialPrivate::paint(QPainter *painter, const QSize &size, const QPoi
     }
     static constexpr const QPoint originPoint = {0, 0};
     painter->save();
+    painter->setRenderHints(QPainter::Antialiasing |
+        QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform);
     g_micaMaterialData()->mutex.lock();
     painter->drawPixmap(originPoint, g_micaMaterialData()->blurredWallpaper, QRect(pos, size));
     g_micaMaterialData()->mutex.unlock();

src/core/utils_win.cpp

@@ -761,7 +761,7 @@ void Utils::showSystemMenu(const WId windowId, const QPoint &pos, const bool sel
     // Tweak the menu items according to the current window status.
     const bool maxOrFull = (IsMaximized(hWnd) || isFullScreen(windowId));
     const bool fixedSize = isWindowFixedSize();
-    EnableMenuItem(hMenu, SC_RESTORE, (MF_BYCOMMAND | ((maxOrFull && !fixedSize) ? MFS_ENABLED : MFS_DISABLED)));
+    EnableMenuItem(hMenu, SC_RESTORE, (MF_BYCOMMAND | ((maxOrFull && !fixedSize) ? MFS_ENABLED : MFS_GRAYED)));
     // The first menu item should be selected by default if the menu is brought
     // up by keyboard. I don't know how to pre-select a menu item but it seems
     // highlight can do the job. However, there's an annoying issue if we do
@@ -772,10 +772,10 @@ void Utils::showSystemMenu(const WId windowId, const QPoint &pos, const bool sel
     // highlight bar to indicate the current selected menu item, which will make
     // the menu look kind of weird. Currently I don't know how to fix this issue.
     HiliteMenuItem(hWnd, hMenu, SC_RESTORE, (MF_BYCOMMAND | (selectFirstEntry ? MFS_HILITE : MFS_UNHILITE)));
-    EnableMenuItem(hMenu, SC_MOVE, (MF_BYCOMMAND | (!maxOrFull ? MFS_ENABLED : MFS_DISABLED)));
-    EnableMenuItem(hMenu, SC_SIZE, (MF_BYCOMMAND | ((!maxOrFull && !fixedSize) ? MFS_ENABLED : MFS_DISABLED)));
+    EnableMenuItem(hMenu, SC_MOVE, (MF_BYCOMMAND | (!maxOrFull ? MFS_ENABLED : MFS_GRAYED)));
+    EnableMenuItem(hMenu, SC_SIZE, (MF_BYCOMMAND | ((!maxOrFull && !fixedSize) ? MFS_ENABLED : MFS_GRAYED)));
     EnableMenuItem(hMenu, SC_MINIMIZE, (MF_BYCOMMAND | MFS_ENABLED));
-    EnableMenuItem(hMenu, SC_MAXIMIZE, (MF_BYCOMMAND | ((!maxOrFull && !fixedSize) ? MFS_ENABLED : MFS_DISABLED)));
+    EnableMenuItem(hMenu, SC_MAXIMIZE, (MF_BYCOMMAND | ((!maxOrFull && !fixedSize) ? MFS_ENABLED : MFS_GRAYED)));
     EnableMenuItem(hMenu, SC_CLOSE, (MF_BYCOMMAND | MFS_ENABLED));
 
     // The default menu item will appear in bold font. There can only be one default

src/quick/framelessquickhelper.cpp

@@ -196,6 +196,10 @@ void FramelessQuickHelperPrivate::attachToWindow()
     params.shouldIgnoreMouseEvents = [this](const QPoint &pos) -> bool { return shouldIgnoreMouseEvents(pos); };
     params.showSystemMenu = [this](const QPoint &pos) -> void { showSystemMenu(pos); };
     params.getCurrentApplicationType = []() -> ApplicationType { return ApplicationType::Quick; };
+    params.setProperty = [this](const QByteArray &name, const QVariant &value) -> void { setProperty(name, value); };
+    params.getProperty = [this](const QByteArray &name, const QVariant &defaultValue) -> QVariant { return getProperty(name, defaultValue); };
+    params.setCursor = [window](const QCursor &cursor) -> void { window->setCursor(cursor); };
+    params.unsetCursor = [window]() -> void { window->unsetCursor(); };
 
     g_quickHelper()->mutex.lock();
     data->params = params;
@@ -454,6 +458,36 @@ void FramelessQuickHelperPrivate::setBlurBehindWindowEnabled(const bool value, c
     }
 }
 
+void FramelessQuickHelperPrivate::setProperty(const QByteArray &name, const QVariant &value)
+{
+    Q_ASSERT(!name.isEmpty());
+    Q_ASSERT(value.isValid());
+    if (name.isEmpty() || !value.isValid()) {
+        return;
+    }
+    Q_Q(FramelessQuickHelper);
+    QQuickWindow * const window = q->window();
+    if (!window) {
+        return;
+    }
+    window->setProperty(name.constData(), value);
+}
+
+QVariant FramelessQuickHelperPrivate::getProperty(const QByteArray &name, const QVariant &defaultValue)
+{
+    Q_ASSERT(!name.isEmpty());
+    if (name.isEmpty()) {
+        return {};
+    }
+    Q_Q(FramelessQuickHelper);
+    const QQuickWindow * const window = q->window();
+    if (!window) {
+        return {};
+    }
+    const QVariant value = window->property(name.constData());
+    return (value.isValid() ? value : defaultValue);
+}
+
 bool FramelessQuickHelperPrivate::eventFilter(QObject *object, QEvent *event)
 {
     Q_ASSERT(object);

src/quick/quickimageitem.cpp

@@ -85,8 +85,8 @@ void QuickImageItemPrivate::paint(QPainter *painter) const
         return;
     }
     painter->save();
-    painter->setRenderHints(QPainter::Antialiasing
-        | QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform);
+    painter->setRenderHints(QPainter::Antialiasing |
+        QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform);
     switch (m_source.userType()) {
     case QMetaType::QUrl:
         fromUrl(m_source.toUrl(), painter);

src/widgets/CMakeLists.txt

@@ -35,6 +35,7 @@ set(PUBLIC_HEADERS
     ${INCLUDE_PREFIX}/standardsystembutton.h
     ${INCLUDE_PREFIX}/framelesswidgetshelper.h
     ${INCLUDE_PREFIX}/standardtitlebar.h
+    ${INCLUDE_PREFIX}/framelessdialog.h
 )
 
 set(PUBLIC_HEADERS_ALIAS
@@ -44,6 +45,7 @@ set(PUBLIC_HEADERS_ALIAS
     ${INCLUDE_PREFIX}/StandardSystemButton
     ${INCLUDE_PREFIX}/FramelessWidgetsHelper
     ${INCLUDE_PREFIX}/StandardTitleBar
+    ${INCLUDE_PREFIX}/FramelessDialog
 )
 
 set(PRIVATE_HEADERS
@@ -53,6 +55,7 @@ set(PRIVATE_HEADERS
     ${INCLUDE_PREFIX}/private/framelesswidget_p.h
     ${INCLUDE_PREFIX}/private/framelessmainwindow_p.h
     ${INCLUDE_PREFIX}/private/widgetssharedhelper_p.h
+    ${INCLUDE_PREFIX}/private/framelessdialog_p.h
 )
 
 set(SOURCES
@@ -63,6 +66,7 @@ set(SOURCES
     standardtitlebar.cpp
     widgetssharedhelper.cpp
     framelesshelperwidgets_global.cpp
+    framelessdialog.cpp
 )
 
 if(WIN32 AND NOT FRAMELESSHELPER_BUILD_STATIC)

src/widgets/framelessdialog.cpp

@@ -0,0 +1,91 @@
+/*
+ * MIT License
+ *
+ * Copyright (C) 2022 by wangwenx190 (Yuhang Zhao)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "framelessdialog.h"
+#include "framelessdialog_p.h"
+#include "framelesswidgetshelper.h"
+#include "widgetssharedhelper_p.h"
+#include <utils.h>
+
+FRAMELESSHELPER_BEGIN_NAMESPACE
+
+Q_LOGGING_CATEGORY(lcFramelessDialog, "wangwenx190.framelesshelper.widgets.framelessdialog")
+#define INFO qCInfo(lcFramelessDialog)
+#define DEBUG qCDebug(lcFramelessDialog)
+#define WARNING qCWarning(lcFramelessDialog)
+#define CRITICAL qCCritical(lcFramelessDialog)
+
+using namespace Global;
+
+FramelessDialogPrivate::FramelessDialogPrivate(FramelessDialog *q) : QObject(q)
+{
+    Q_ASSERT(q);
+    if (!q) {
+        return;
+    }
+    q_ptr = q;
+    initialize();
+}
+
+FramelessDialogPrivate::~FramelessDialogPrivate() = default;
+
+FramelessDialogPrivate *FramelessDialogPrivate::get(FramelessDialog *pub)
+{
+    Q_ASSERT(pub);
+    if (!pub) {
+        return nullptr;
+    }
+    return pub->d_func();
+}
+
+const FramelessDialogPrivate *FramelessDialogPrivate::get(const FramelessDialog *pub)
+{
+    Q_ASSERT(pub);
+    if (!pub) {
+        return nullptr;
+    }
+    return pub->d_func();
+}
+
+void FramelessDialogPrivate::initialize()
+{
+    Q_Q(FramelessDialog);
+    FramelessWidgetsHelper::get(q)->extendsContentIntoTitleBar();
+    m_helper.reset(new WidgetsSharedHelper(this));
+    m_helper->setup(q);
+}
+
+WidgetsSharedHelper *FramelessDialogPrivate::widgetsSharedHelper() const
+{
+    return (m_helper.isNull() ? nullptr : m_helper.data());
+}
+
+FramelessDialog::FramelessDialog(QWidget *parent)
+    : QDialog(parent), d_ptr(new FramelessDialogPrivate(this))
+{
+}
+
+FramelessDialog::~FramelessDialog() = default;
+
+FRAMELESSHELPER_END_NAMESPACE

src/widgets/framelessdialog.h

@@ -0,0 +1 @@
+#include "../../include/FramelessHelper/Widgets/framelessdialog.h"

src/widgets/framelessdialog_p.h

@@ -0,0 +1 @@
+#include "../../include/FramelessHelper/Widgets/private/framelessdialog_p.h"

src/widgets/framelesswidgetshelper.cpp

@@ -28,6 +28,8 @@
 #include "framelesswidget_p.h"
 #include "framelessmainwindow.h"
 #include "framelessmainwindow_p.h"
+#include "framelessdialog.h"
+#include "framelessdialog_p.h"
 #include "widgetssharedhelper_p.h"
 #include <QtCore/qmutex.h>
 #include <QtCore/qhash.h>
@@ -87,6 +89,11 @@ Q_GLOBAL_STATIC(WidgetsHelper, g_widgetsHelper)
             return mainWindowPriv->widgetsSharedHelper();
         }
     }
+    if (const auto dialog = qobject_cast<FramelessDialog *>(window)) {
+        if (const auto dialogPriv = FramelessDialogPrivate::get(dialog)) {
+            return dialogPriv->widgetsSharedHelper();
+        }
+    }
     return nullptr;
 }
 
@@ -230,6 +237,36 @@ void FramelessWidgetsHelperPrivate::setBlurBehindWindowEnabled(const bool enable
     }
 }
 
+void FramelessWidgetsHelperPrivate::setProperty(const QByteArray &name, const QVariant &value)
+{
+    Q_ASSERT(!name.isEmpty());
+    Q_ASSERT(value.isValid());
+    if (name.isEmpty() || !value.isValid()) {
+        return;
+    }
+    QWidget * const window = getWindow();
+    Q_ASSERT(window);
+    if (!window) {
+        return;
+    }
+    window->setProperty(name.constData(), value);
+}
+
+QVariant FramelessWidgetsHelperPrivate::getProperty(const QByteArray &name, const QVariant &defaultValue)
+{
+    Q_ASSERT(!name.isEmpty());
+    if (name.isEmpty()) {
+        return {};
+    }
+    const QWidget * const window = getWindow();
+    Q_ASSERT(window);
+    if (!window) {
+        return {};
+    }
+    const QVariant value = window->property(name.constData());
+    return (value.isValid() ? value : defaultValue);
+}
+
 void FramelessWidgetsHelperPrivate::setTitleBarWidget(QWidget *widget)
 {
     Q_ASSERT(widget);
@@ -332,6 +369,10 @@ void FramelessWidgetsHelperPrivate::attachToWindow()
     params.shouldIgnoreMouseEvents = [this](const QPoint &pos) -> bool { return shouldIgnoreMouseEvents(pos); };
     params.showSystemMenu = [this](const QPoint &pos) -> void { showSystemMenu(pos); };
     params.getCurrentApplicationType = []() -> ApplicationType { return ApplicationType::Widgets; };
+    params.setProperty = [this](const QByteArray &name, const QVariant &value) -> void { setProperty(name, value); };
+    params.getProperty = [this](const QByteArray &name, const QVariant &defaultValue) -> QVariant { return getProperty(name, defaultValue); };
+    params.setCursor = [window](const QCursor &cursor) -> void { window->setCursor(cursor); };
+    params.unsetCursor = [window]() -> void { window->unsetCursor(); };
 
     g_widgetsHelper()->mutex.lock();
     data->params = params;

src/widgets/widgetssharedhelper.cpp

@@ -146,9 +146,17 @@ void WidgetsSharedHelper::changeEventHandler(QEvent *event)
         return;
     }
     updateContentsMargins();
-    QMetaObject::invokeMethod(m_targetWidget, "hiddenChanged");
-    QMetaObject::invokeMethod(m_targetWidget, "normalChanged");
-    QMetaObject::invokeMethod(m_targetWidget, "zoomedChanged");
+    if (const auto mo = m_targetWidget->metaObject()) {
+        if (const int idx = mo->indexOfSignal(QMetaObject::normalizedSignature("hiddenChanged()").constData()); idx >= 0) {
+            QMetaObject::invokeMethod(m_targetWidget, "hiddenChanged");
+        }
+        if (const int idx = mo->indexOfSignal(QMetaObject::normalizedSignature("normalChanged()").constData()); idx >= 0) {
+            QMetaObject::invokeMethod(m_targetWidget, "normalChanged");
+        }
+        if (const int idx = mo->indexOfSignal(QMetaObject::normalizedSignature("zoomedChanged()").constData()); idx >= 0) {
+            QMetaObject::invokeMethod(m_targetWidget, "zoomedChanged");
+        }
+    }
 #ifdef Q_OS_WINDOWS
     const WId windowId = m_targetWidget->winId();
     static const bool isWin11OrGreater = Utils::isWindowsVersionOrGreater(WindowsVersion::_11_21H2);
@@ -181,6 +189,10 @@ void WidgetsSharedHelper::paintEventHandler(QPaintEvent *event)
     if (shouldDrawFrameBorder()) {
         QPainter painter(m_targetWidget);
         painter.save();
+        painter.setRenderHints(QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform);
+        // We can't enable antialiasing here, because the border is only 1px height,
+        // it's too thin and antialiasing will break it's painting.
+        painter.setRenderHint(QPainter::Antialiasing, false);
         QPen pen = {};
         pen.setColor(Utils::getFrameBorderColor(m_targetWidget->isActiveWindow()));
         pen.setWidth(kDefaultWindowFrameBorderThickness);