Add check of maximum button hint

Sine Striker

2024-05-19 4e7058084d51193e3c975bcddbe749e7fd29e356

 src/core/contexts/qtwindowcontext.cpp

@@ -1,3 +1,7 @@
// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
// SPDX-License-Identifier: Apache-2.0

#include "qtwindowcontext_p.h"

#include <QtCore/QDebug>
@@ -77,9 +81,9 @@
#endif
    }

    class QtWindowEventFilter : public QObject {
    class QtWindowEventFilter : public SharedEventFilter {
    public:
        explicit QtWindowEventFilter(AbstractWindowContext *context, QObject *parent = nullptr);
        explicit QtWindowEventFilter(AbstractWindowContext *context);
        ~QtWindowEventFilter() override;

        enum WindowStatus {
@@ -91,7 +95,7 @@
        };

    protected:
        bool eventFilter(QObject *object, QEvent *event) override;
        bool sharedEventFilter(QObject *object, QEvent *event) override;

    private:
        AbstractWindowContext *m_context;
@@ -99,15 +103,16 @@
        WindowStatus m_windowStatus;
    };

    QtWindowEventFilter::QtWindowEventFilter(AbstractWindowContext *context, QObject *parent)
        : QObject(parent), m_context(context), m_cursorShapeChanged(false), m_windowStatus(Idle) {
        m_context->window()->installEventFilter(this);
    QtWindowEventFilter::QtWindowEventFilter(AbstractWindowContext *context)
        : m_context(context), m_cursorShapeChanged(false), m_windowStatus(Idle) {
        m_context->installSharedEventFilter(this);
    }

    QtWindowEventFilter::~QtWindowEventFilter() = default;

    bool QtWindowEventFilter::eventFilter(QObject *obj, QEvent *event) {
    bool QtWindowEventFilter::sharedEventFilter(QObject *obj, QEvent *event) {
        Q_UNUSED(obj)

        auto type = event->type();
        if (type < QEvent::MouseButtonPress || type > QEvent::MouseMove) {
            return false;
@@ -116,7 +121,7 @@
        auto window = m_context->window();
        auto delegate = m_context->delegate();
        auto me = static_cast<const QMouseEvent *>(event);
        bool fixedSize = delegate->isHostSizeFixed(host);
        bool fixedSize = m_context->isHostSizeFixed();

        QPoint scenePos = getMouseEventScenePos(me);
        QPoint globalPos = getMouseEventGlobalPos(me);
@@ -214,8 +219,10 @@

            case QEvent::MouseButtonDblClick: {
                if (me->button() == Qt::LeftButton && inTitleBar && !fixedSize) {
                    Qt::WindowFlags windowFlags = delegate->getWindowFlags(host);
                    Qt::WindowStates windowState = delegate->getWindowState(host);
                    if (!(windowState & Qt::WindowFullScreen)) {
                    if ((windowFlags & Qt::WindowMaximizeButtonHint) &&
                        !(windowState & Qt::WindowFullScreen)) {
                        if (windowState & Qt::WindowMaximized) {
                            delegate->setWindowState(host, windowState & ~Qt::WindowMaximized);
                        } else {
@@ -235,6 +242,7 @@
    }

    QtWindowContext::QtWindowContext() : AbstractWindowContext() {
        qtWindowEventFilter = std::make_unique<QtWindowEventFilter>(this);
    }

    QtWindowContext::~QtWindowContext() = default;
@@ -244,20 +252,19 @@
    }

    void QtWindowContext::virtual_hook(int id, void *data) {
        switch (id) {
            case ShowSystemMenuHook:
                return;
            default:
                break;
        }
        AbstractWindowContext::virtual_hook(id, data);
    }

    void QtWindowContext::winIdChanged(QWindow *oldWindow) {
        Q_UNUSED(oldWindow)
    void QtWindowContext::winIdChanged(WId winId, WId oldWinId) {
        if (!m_windowHandle) {
            m_delegate->setWindowFlags(m_host, m_delegate->getWindowFlags(m_host) &
                                                   ~Qt::FramelessWindowHint);
            return;
        }

        // Allocate new resources
        m_delegate->setWindowFlags(m_host,
                                   m_delegate->getWindowFlags(m_host) | Qt::FramelessWindowHint);
        qtWindowEventFilter = std::make_unique<QtWindowEventFilter>(this);
    }

}