qquicklabsplatformmenuitemgroup.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 "qquicklabsplatformmenuitemgroup_p.h"
#include "qquicklabsplatformmenuitem_p.h"
 
QT_BEGIN_NAMESPACE
 
 
QQuickLabsPlatformMenuItemGroup::QQuickLabsPlatformMenuItemGroup(QObject *parent)
    : QObject(parent), m_enabled(true), m_visible(true), m_exclusive(true), m_checkedItem(nullptr)
{
}
 
QQuickLabsPlatformMenuItemGroup::~QQuickLabsPlatformMenuItemGroup()
{
    clear();
}
 
bool QQuickLabsPlatformMenuItemGroup::isEnabled() const
{
    return m_enabled;
}
 
void QQuickLabsPlatformMenuItemGroup::setEnabled(bool enabled)
{
    if (m_enabled == enabled)
        return;
 
    m_enabled = enabled;
    emit enabledChanged();
 
    for (QQuickLabsPlatformMenuItem *item : std::as_const(m_items)) {
        if (item->m_enabled) {
            item->sync();
            emit item->enabledChanged();
        }
    }
}
 
bool QQuickLabsPlatformMenuItemGroup::isVisible() const
{
    return m_visible;
}
 
void QQuickLabsPlatformMenuItemGroup::setVisible(bool visible)
{
    if (m_visible == visible)
        return;
 
    m_visible = visible;
    emit visibleChanged();
 
    for (QQuickLabsPlatformMenuItem *item : std::as_const(m_items)) {
        if (item->m_visible) {
            item->sync();
            emit item->visibleChanged();
        }
    }
}
 
bool QQuickLabsPlatformMenuItemGroup::isExclusive() const
{
    return m_exclusive;
}
 
void QQuickLabsPlatformMenuItemGroup::setExclusive(bool exclusive)
{
    if (m_exclusive == exclusive)
        return;
 
    m_exclusive = exclusive;
    emit exclusiveChanged();
 
    for (QQuickLabsPlatformMenuItem *item : std::as_const(m_items))
        item->sync();
}
 
QQuickLabsPlatformMenuItem *QQuickLabsPlatformMenuItemGroup::checkedItem() const
{
    return m_checkedItem;
}
 
void QQuickLabsPlatformMenuItemGroup::setCheckedItem(QQuickLabsPlatformMenuItem *item)
{
    if (m_checkedItem == item)
        return;
 
    if (m_checkedItem)
        m_checkedItem->setChecked(false);
 
    m_checkedItem = item;
    emit checkedItemChanged();
 
    if (item)
        item->setChecked(true);
}
 
QQmlListProperty<QQuickLabsPlatformMenuItem> QQuickLabsPlatformMenuItemGroup::items()
{
    return QQmlListProperty<QQuickLabsPlatformMenuItem>(this, nullptr, items_append, items_count, items_at, items_clear);
}
 
void QQuickLabsPlatformMenuItemGroup::addItem(QQuickLabsPlatformMenuItem *item)
{
    if (!item || m_items.contains(item))
        return;
 
    m_items.append(item);
    item->setGroup(this);
 
    connect(item, &QQuickLabsPlatformMenuItem::checkedChanged, this, &QQuickLabsPlatformMenuItemGroup::updateCurrent);
    connect(item, &QQuickLabsPlatformMenuItem::triggered, this, &QQuickLabsPlatformMenuItemGroup::activateItem);
    connect(item, &QQuickLabsPlatformMenuItem::hovered, this, &QQuickLabsPlatformMenuItemGroup::hoverItem);
 
    if (m_exclusive && item->isChecked())
        setCheckedItem(item);
 
    emit itemsChanged();
}
 
void QQuickLabsPlatformMenuItemGroup::removeItem(QQuickLabsPlatformMenuItem *item)
{
    if (!item || !m_items.contains(item))
        return;
 
    m_items.removeOne(item);
    item->setGroup(nullptr);
 
    disconnect(item, &QQuickLabsPlatformMenuItem::checkedChanged, this, &QQuickLabsPlatformMenuItemGroup::updateCurrent);
    disconnect(item, &QQuickLabsPlatformMenuItem::triggered, this, &QQuickLabsPlatformMenuItemGroup::activateItem);
    disconnect(item, &QQuickLabsPlatformMenuItem::hovered, this, &QQuickLabsPlatformMenuItemGroup::hoverItem);
 
    if (m_checkedItem == item)
        setCheckedItem(nullptr);
 
    emit itemsChanged();
}
 
void QQuickLabsPlatformMenuItemGroup::clear()
{
    if (m_items.isEmpty())
        return;
 
    for (QQuickLabsPlatformMenuItem *item : std::as_const(m_items)) {
        item->setGroup(nullptr);
        disconnect(item, &QQuickLabsPlatformMenuItem::checkedChanged, this, &QQuickLabsPlatformMenuItemGroup::updateCurrent);
        disconnect(item, &QQuickLabsPlatformMenuItem::triggered, this, &QQuickLabsPlatformMenuItemGroup::activateItem);
        disconnect(item, &QQuickLabsPlatformMenuItem::hovered, this, &QQuickLabsPlatformMenuItemGroup::hoverItem);
    }
 
    setCheckedItem(nullptr);
 
    m_items.clear();
    emit itemsChanged();
}
 
QQuickLabsPlatformMenuItem *QQuickLabsPlatformMenuItemGroup::findCurrent() const
{
    for (QQuickLabsPlatformMenuItem *item : m_items) {
        if (item->isChecked())
            return item;
    }
    return nullptr;
}
 
void QQuickLabsPlatformMenuItemGroup::updateCurrent()
{
    if (!m_exclusive)
        return;
 
    QQuickLabsPlatformMenuItem *item = qobject_cast<QQuickLabsPlatformMenuItem*>(sender());
    if (item && item->isChecked())
        setCheckedItem(item);
}
 
void QQuickLabsPlatformMenuItemGroup::activateItem()
{
    QQuickLabsPlatformMenuItem *item = qobject_cast<QQuickLabsPlatformMenuItem*>(sender());
    if (item)
        emit triggered(item);
}
 
void QQuickLabsPlatformMenuItemGroup::hoverItem()
{
    QQuickLabsPlatformMenuItem *item = qobject_cast<QQuickLabsPlatformMenuItem*>(sender());
    if (item)
        emit hovered(item);
}
 
void QQuickLabsPlatformMenuItemGroup::items_append(QQmlListProperty<QQuickLabsPlatformMenuItem> *prop, QQuickLabsPlatformMenuItem *item)
{
    QQuickLabsPlatformMenuItemGroup *group = static_cast<QQuickLabsPlatformMenuItemGroup *>(prop->object);
    group->addItem(item);
}
 
qsizetype QQuickLabsPlatformMenuItemGroup::items_count(QQmlListProperty<QQuickLabsPlatformMenuItem> *prop)
{
    QQuickLabsPlatformMenuItemGroup *group = static_cast<QQuickLabsPlatformMenuItemGroup *>(prop->object);
    return group->m_items.size();
}
 
QQuickLabsPlatformMenuItem *QQuickLabsPlatformMenuItemGroup::items_at(QQmlListProperty<QQuickLabsPlatformMenuItem> *prop, qsizetype index)
{
    QQuickLabsPlatformMenuItemGroup *group = static_cast<QQuickLabsPlatformMenuItemGroup *>(prop->object);
    return group->m_items.value(index);
}
 
void QQuickLabsPlatformMenuItemGroup::items_clear(QQmlListProperty<QQuickLabsPlatformMenuItem> *prop)
{
    QQuickLabsPlatformMenuItemGroup *group = static_cast<QQuickLabsPlatformMenuItemGroup *>(prop->object);
    group->clear();
}
 
QT_END_NAMESPACE
 
#include "moc_qquicklabsplatformmenuitemgroup_p.cpp"