qmenuitem.cpp

/*
    SPDX-FileCopyrightText: 2011 Viranch Mehta <viranch.mehta@gmail.com>
    SPDX-FileCopyrightText: 2013 Sebastian Kügler <sebas@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#include "qmenuitem.h"
 
QMenuItem::QMenuItem(QObject *parent)
    : QObject(parent)
    , m_action(nullptr)
    , m_section(false)
{
    setAction(new QAction(this));
}
 
QAction *QMenuItem::action() const
{
    return m_action;
}
 
void QMenuItem::setAction(QAction *a)
{
    if (m_action != a) {
        if (m_action) {
            disconnect(m_action, nullptr, this, nullptr);
 
            if (m_action->parent() == this) {
                delete m_action;
                m_action = nullptr;
            }
        }
 
        if (a) {
            m_action = a;
        } else {
            // don't end up with no action, create an invisible one instead
            m_action = new QAction(this);
            m_action->setVisible(false);
        }
 
        setVisible(m_action->isVisible());
        setEnabled(m_action->isEnabled());
 
        connect(m_action, &QAction::changed, this, &QMenuItem::textChanged);
        connect(m_action, &QAction::checkableChanged, this, &QMenuItem::checkableChanged);
        connect(m_action, &QAction::enabledChanged, this, &QMenuItem::enabledChanged);
        connect(m_action, &QAction::visibleChanged, this, &QMenuItem::visibleChanged);
        connect(m_action, &QAction::toggled, this, &QMenuItem::toggled);
        connect(m_action, &QAction::triggered, this, &QMenuItem::clicked);
        // HACK QMenuItem doesn't delete other people's QAction (see m_action->parent() check above)
        // but it does not take kindly to the QAction being deleted under it
        // as a workaround for crashing when this happens, replace it by a dummy action again
        // TODO this entire ownership handling in QMenu(Item) needs to be refactored...
        connect(m_action, &QObject::destroyed, this, [this] {
            if (m_action->parent() != this) {
                m_action = new QAction(this);
                m_action->setVisible(false);
                Q_EMIT actionChanged();
            }
        });
 
        connect(this, &QObject::destroyed, this, &QMenuItem::deleteLater);
 
        Q_EMIT actionChanged();
    }
}
 
QVariant QMenuItem::icon() const
{
    return m_icon;
}
 
void QMenuItem::setIcon(const QVariant &i)
{
    m_icon = i;
    if (i.canConvert<QIcon>()) {
        m_action->setIcon(i.value<QIcon>());
    } else if (i.canConvert<QString>()) {
        m_action->setIcon(QIcon::fromTheme(i.toString()));
    }
    Q_EMIT iconChanged();
}
 
bool QMenuItem::separator() const
{
    return m_action->isSeparator();
}
 
void QMenuItem::setSeparator(bool s)
{
    m_action->setSeparator(s);
}
 
bool QMenuItem::section() const
{
    return m_section;
}
 
void QMenuItem::setSection(bool s)
{
    m_section = s;
}
 
QString QMenuItem::text() const
{
    return m_action->text();
}
 
void QMenuItem::setText(const QString &t)
{
    if (m_action->text() != t) {
        m_action->setText(t);
        // signal comes from m_action
    }
}
 
bool QMenuItem::checkable() const
{
    return m_action->isCheckable();
}
 
void QMenuItem::setCheckable(bool checkable)
{
    m_action->setCheckable(checkable);
}
 
bool QMenuItem::checked() const
{
    return m_action->isChecked();
}
 
void QMenuItem::setChecked(bool checked)
{
    m_action->setChecked(checked);
}
 
bool QMenuItem::isEnabled() const
{
    return m_action->isEnabled();
}
 
void QMenuItem::setEnabled(bool enabled)
{
    m_action->setEnabled(enabled);
}
 
bool QMenuItem::isVisible() const
{
    return m_action->isVisible();
}
 
void QMenuItem::setVisible(bool visible)
{
    m_action->setVisible(visible);
}
 
#include "moc_qmenuitem.cpp"