qmenu_mac.mm

Go to the documentation of this file.

// Copyright (C) 2016 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
 
#import <Foundation/Foundation.h>
#import <AppKit/AppKit.h>
 
#include <qtwidgetsglobal.h>
 
QT_USE_NAMESPACE
 
#include "qmenu.h"
#if QT_CONFIG(menubar)
#include "qmenubar.h"
#include "qmenubar_p.h"
#endif
 
#include <QtCore/QDebug>
#include <QtGui/QGuiApplication>
#include <QtGui/QWindow>
#include <qpa/qplatformnativeinterface.h>
#include <qpa/qplatformmenu_p.h>
 
using namespace QNativeInterface::Private;
 
QT_BEGIN_NAMESPACE
 
#if QT_CONFIG(menu)
 
NSMenu *QMenu::toNSMenu()
{
    Q_D(QMenu);
    if (auto *cocoaPlatformMenu = dynamic_cast<QCocoaMenu *>(d->createPlatformMenu()))
        return cocoaPlatformMenu->nsMenu();
 
    return nil;
}
 
 
void QMenu::setAsDockMenu()
{
    Q_D(QMenu);
    if (auto *cocoaPlatformMenu = dynamic_cast<QCocoaMenu *>(d->createPlatformMenu()))
        cocoaPlatformMenu->setAsDockMenu();
}
 
void QMenuPrivate::moveWidgetToPlatformItem(QWidget *widget, QPlatformMenuItem* item)
{
    // Hide the widget before we mess with it
    widget->hide();
 
    // Move out of QMenu, since this widget will live in the native menu item
    widget->setParent(nullptr);
 
    // Make sure the widget doesn't prevent quitting the application,
    // just because it's a parent-less (top level) window.
    widget->setAttribute(Qt::WA_QuitOnClose, false);
 
    // And that it blends nicely with the native menu background
    widget->setAttribute(Qt::WA_TranslucentBackground);
 
    // Trigger creation of the backing QWindow, the platform window, and its
    // underlying NSView and NSWindow. At this point the widget is still hidden,
    // so the corresponding NSWindow that is created is not shown.
    widget->setAttribute(Qt::WA_NativeWindow);
    QWindow *widgetWindow = widget->windowHandle();
    widgetWindow->create();
 
    // Inform the window that it's actually a sub-window. This
    // ensures that we dispose of the NSWindow when the widget is
    // finally shown. We need to do this on a QWindow level, as
    // QWidget will ignore the flag if there is no parentWidget().
    // And we need to do it after creating the platform window, as
    // QWidget will overwrite the window flags during creation.
    widgetWindow->setFlag(Qt::SubWindow);
 
    // Finally, we can associate the underlying NSView with the menu item,
    // and show it. This will dispose of the created NSWindow, due to
    // the Qt::SubWindow flag above. The widget will not actually be
    // visible until it's re-parented into the NSMenu hierarchy.
    item->setNativeContents(WId(widgetWindow->winId()));
    widget->show();
}
 
#endif // QT_CONFIG(menu)
 
#if QT_CONFIG(menubar)
 
NSMenu *QMenuBar::toNSMenu()
{
    if (auto *cocoaMenuBar = dynamic_cast<QCocoaMenuBar *>(platformMenuBar()))
        return cocoaMenuBar->nsMenu();
 
    return nil;
}
#endif // QT_CONFIG(menubar)
 
QT_END_NAMESPACE