Zhao Yuhang
2023-12-11 2f6c83c095724bbba0f43b2f2893ba73c17949a6
src/widgets/widgetitemdelegate.cpp
@@ -12,15 +12,15 @@
    WidgetItemDelegate::~WidgetItemDelegate() = default;
    QWindow *WidgetItemDelegate::window(QObject *obj) const {
    QWindow *WidgetItemDelegate::window(const QObject *obj) const {
        return static_cast<const QWidget *>(obj)->windowHandle();
    }
    bool WidgetItemDelegate::isEnabled(QObject *obj) const {
    bool WidgetItemDelegate::isEnabled(const QObject *obj) const {
        return static_cast<const QWidget *>(obj)->isEnabled();
    }
    bool WidgetItemDelegate::isVisible(QObject *obj) const {
    bool WidgetItemDelegate::isVisible(const QObject *obj) const {
        return static_cast<const QWidget *>(obj)->isVisible();
    }
@@ -31,11 +31,11 @@
        return {originPoint, size};
    }
    QWindow *WidgetItemDelegate::hostWindow(QObject *host) const {
    QWindow *WidgetItemDelegate::hostWindow(const QObject *host) const {
        return static_cast<const QWidget *>(host)->windowHandle();
    }
    bool WidgetItemDelegate::isHostSizeFixed(QObject *host) const {
    bool WidgetItemDelegate::isHostSizeFixed(const QObject *host) const {
        const auto widget = static_cast<const QWidget *>(host);
        // "Qt::MSWindowsFixedSizeDialogHint" is used cross-platform actually.
        if (widget->windowFlags() & Qt::MSWindowsFixedSizeDialogHint) {
@@ -56,18 +56,17 @@
        return false;
    }
    bool WidgetItemDelegate::resetQtGrabbedControl() const {
        if (qt_button_down) {
            static constexpr const auto invalidPos = QPoint{std::numeric_limits<int>::lowest(), std::numeric_limits<int>::lowest()};
            const auto event =
                new QMouseEvent(QEvent::MouseButtonRelease, invalidPos, invalidPos, invalidPos,
                                Qt::LeftButton, QGuiApplication::mouseButtons() ^ Qt::LeftButton,
                                QGuiApplication::keyboardModifiers());
            QApplication::postEvent(qt_button_down, event);
            qt_button_down = nullptr;
            return true;
    void WidgetItemDelegate::resetQtGrabbedControl() const {
        if (!qt_button_down) {
            return;
        }
        return false;
        static constexpr const auto invalidPos = QPoint{std::numeric_limits<int>::lowest(), std::numeric_limits<int>::lowest()};
        const auto event =
            new QMouseEvent(QEvent::MouseButtonRelease, invalidPos, invalidPos, invalidPos,
                            Qt::LeftButton, QGuiApplication::mouseButtons() ^ Qt::LeftButton,
                            QGuiApplication::keyboardModifiers());
        QApplication::postEvent(qt_button_down, event);
        qt_button_down = nullptr;
    }
}