qquicklabsplatformmenubar.cpp

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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qquicklabsplatformmenubar_p.h"
#include "qquicklabsplatformmenu_p.h"
 
#include <QtCore/qloggingcategory.h>
#include <QtGui/qpa/qplatformmenu.h>
#include <QtGui/qpa/qplatformtheme.h>
#include <QtGui/private/qguiapplication_p.h>
#include <QtQuick/qquickwindow.h>
#include <QtQuick/qquickitem.h>
 
QT_BEGIN_NAMESPACE
 
 
Q_DECLARE_LOGGING_CATEGORY(qtLabsPlatformMenus)
 
QQuickLabsPlatformMenuBar::QQuickLabsPlatformMenuBar(QObject *parent)
    : QObject(parent),
      m_complete(false),
      m_window(nullptr),
      m_handle(nullptr)
{
    m_handle = QGuiApplicationPrivate::platformTheme()->createPlatformMenuBar();
    qCDebug(qtLabsPlatformMenus) << "MenuBar ->" << m_handle;
}
 
QQuickLabsPlatformMenuBar::~QQuickLabsPlatformMenuBar()
{
    for (QQuickLabsPlatformMenu *menu : std::as_const(m_menus))
        menu->setMenuBar(nullptr);
    delete m_handle;
    m_handle = nullptr;
}
 
QPlatformMenuBar *QQuickLabsPlatformMenuBar::handle() const
{
    return m_handle;
}
 
QQmlListProperty<QObject> QQuickLabsPlatformMenuBar::data()
{
    return QQmlListProperty<QObject>(this, nullptr, data_append, data_count, data_at, data_clear);
}
 
QQmlListProperty<QQuickLabsPlatformMenu> QQuickLabsPlatformMenuBar::menus()
{
    return QQmlListProperty<QQuickLabsPlatformMenu>(this, nullptr, menus_append, menus_count, menus_at, menus_clear);
}
 
QWindow *QQuickLabsPlatformMenuBar::window() const
{
    return m_window;
}
 
void QQuickLabsPlatformMenuBar::setWindow(QWindow *window)
{
    if (m_window == window)
        return;
 
    if (m_handle)
        m_handle->handleReparent(window);
 
    m_window = window;
    emit windowChanged();
}
 
void QQuickLabsPlatformMenuBar::addMenu(QQuickLabsPlatformMenu *menu)
{
    insertMenu(m_menus.size(), menu);
}
 
void QQuickLabsPlatformMenuBar::insertMenu(int index, QQuickLabsPlatformMenu *menu)
{
    if (!menu || m_menus.contains(menu))
        return;
 
    QQuickLabsPlatformMenu *before = m_menus.value(index);
    m_menus.insert(index, menu);
    m_data.append(menu);
    menu->setMenuBar(this);
    if (m_handle)
        m_handle->insertMenu(menu->create(), before ? before->handle() : nullptr);
    menu->sync();
    emit menusChanged();
}
 
void QQuickLabsPlatformMenuBar::removeMenu(QQuickLabsPlatformMenu *menu)
{
    if (!menu || !m_menus.removeOne(menu))
        return;
 
    m_data.removeOne(menu);
    if (m_handle)
        m_handle->removeMenu(menu->handle());
    menu->setMenuBar(nullptr);
    emit menusChanged();
}
 
void QQuickLabsPlatformMenuBar::clear()
{
    if (m_menus.isEmpty())
        return;
 
    for (QQuickLabsPlatformMenu *menu : std::as_const(m_menus)) {
        m_data.removeOne(menu);
        if (m_handle)
            m_handle->removeMenu(menu->handle());
        menu->setMenuBar(nullptr);
        delete menu;
    }
 
    m_menus.clear();
    emit menusChanged();
}
 
void QQuickLabsPlatformMenuBar::classBegin()
{
}
 
void QQuickLabsPlatformMenuBar::componentComplete()
{
    m_complete = true;
    for (QQuickLabsPlatformMenu *menu : std::as_const(m_menus))
        menu->sync();
    if (!m_window)
        setWindow(findWindow());
}
 
QWindow *QQuickLabsPlatformMenuBar::findWindow() const
{
    QObject *obj = parent();
    while (obj) {
        QWindow *window = qobject_cast<QWindow *>(obj);
        if (window)
            return window;
        QQuickItem *item = qobject_cast<QQuickItem *>(obj);
        if (item && item->window())
            return item->window();
        obj = obj->parent();
    }
    return nullptr;
}
 
void QQuickLabsPlatformMenuBar::data_append(QQmlListProperty<QObject> *property, QObject *object)
{
    QQuickLabsPlatformMenuBar *menuBar = static_cast<QQuickLabsPlatformMenuBar *>(property->object);
    QQuickLabsPlatformMenu *menu = qobject_cast<QQuickLabsPlatformMenu *>(object);
    if (menu)
        menuBar->addMenu(menu);
    else
        menuBar->m_data.append(object);
}
 
qsizetype QQuickLabsPlatformMenuBar::data_count(QQmlListProperty<QObject> *property)
{
    QQuickLabsPlatformMenuBar *menuBar = static_cast<QQuickLabsPlatformMenuBar *>(property->object);
    return menuBar->m_data.size();
}
 
QObject *QQuickLabsPlatformMenuBar::data_at(QQmlListProperty<QObject> *property, qsizetype index)
{
    QQuickLabsPlatformMenuBar *menuBar = static_cast<QQuickLabsPlatformMenuBar *>(property->object);
    return menuBar->m_data.value(index);
}
 
void QQuickLabsPlatformMenuBar::data_clear(QQmlListProperty<QObject> *property)
{
    QQuickLabsPlatformMenuBar *menuBar = static_cast<QQuickLabsPlatformMenuBar *>(property->object);
    menuBar->m_data.clear();
}
 
void QQuickLabsPlatformMenuBar::menus_append(QQmlListProperty<QQuickLabsPlatformMenu> *property, QQuickLabsPlatformMenu *menu)
{
    QQuickLabsPlatformMenuBar *menuBar = static_cast<QQuickLabsPlatformMenuBar *>(property->object);
    menuBar->addMenu(menu);
}
 
qsizetype QQuickLabsPlatformMenuBar::menus_count(QQmlListProperty<QQuickLabsPlatformMenu> *property)
{
    QQuickLabsPlatformMenuBar *menuBar = static_cast<QQuickLabsPlatformMenuBar *>(property->object);
    return menuBar->m_menus.size();
}
 
QQuickLabsPlatformMenu *QQuickLabsPlatformMenuBar::menus_at(QQmlListProperty<QQuickLabsPlatformMenu> *property, qsizetype index)
{
    QQuickLabsPlatformMenuBar *menuBar = static_cast<QQuickLabsPlatformMenuBar *>(property->object);
    return menuBar->m_menus.value(index);
}
 
void QQuickLabsPlatformMenuBar::menus_clear(QQmlListProperty<QQuickLabsPlatformMenu> *property)
{
    QQuickLabsPlatformMenuBar *menuBar = static_cast<QQuickLabsPlatformMenuBar *>(property->object);
    menuBar->clear();
}
 
QT_END_NAMESPACE
 
#include "moc_qquicklabsplatformmenubar_p.cpp"