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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWidgets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QMENUBAR_P_H
#define QMENUBAR_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtWidgets/private/qtwidgetsglobal_p.h>
#include "QtWidgets/qstyleoption.h"
#include <private/qmenu_p.h> // Mac needs what in this file!
#include <qpa/qplatformmenu.h>

QT_BEGIN_NAMESPACE

#ifndef QT_NO_MENUBAR
class QMenuBarExtension;
class QMenuBarPrivate : public QWidgetPrivate
{
    Q_DECLARE_PUBLIC(QMenuBar)
public:
    QMenuBarPrivate() : itemsDirty(0), currentAction(0), mouseDown(0),
                         closePopupMode(0), defaultPopDown(1), popupState(0), keyboardState(0), altPressed(0),
                         doChildEffects(false), platformMenuBar(0)
    { }

    ~QMenuBarPrivate()
        {
            delete platformMenuBar;
        }

    void init();
    QAction *getNextAction(const int start, const int increment) const;

    //item calculations
    uint itemsDirty : 1;

    QVector<int> shortcutIndexMap;
    mutable QVector<QRect> actionRects;
    void calcActionRects(int max_width, int start) const;
    QRect actionRect(QAction *) const;
    void updateGeometries();

    //selection
    QPointer<QAction>currentAction;
    uint mouseDown : 1, closePopupMode : 1, defaultPopDown;
    QAction *actionAt(QPoint p) const;
    void setCurrentAction(QAction *, bool =false, bool =false);
    void popupAction(QAction *, bool);

    //active popup state
    uint popupState : 1;
    QPointer<QMenu> activeMenu;

    //keyboard mode for keyboard navigation
    void focusFirstAction();
    void setKeyboardMode(bool);
    uint keyboardState : 1, altPressed : 1;
    QPointer<QWidget> keyboardFocusWidget;

    //firing of events
    void activateAction(QAction *, QAction::ActionEvent);

    void _q_actionTriggered();
    void _q_actionHovered();
    void _q_internalShortcutActivated(int);
    void _q_updateLayout();

    //extra widgets in the menubar
    QPointer<QWidget> leftWidget, rightWidget;
    QMenuBarExtension *extension;
    bool isVisible(QAction *action);

    //menu fading/scrolling effects
    bool doChildEffects;

    QRect menuRect(bool) const;

    // reparenting
    void handleReparent();
    QVector<QPointer<QWidget> > oldParents;

    QList<QAction*> hiddenActions;
    //default action
    QPointer<QAction> defaultAction;

    QBasicTimer autoReleaseTimer;
    QPlatformMenuBar *platformMenuBar;
    QPlatformMenu *getPlatformMenu(QAction *action);

    inline int indexOf(QAction *act) const { return q_func()->actions().indexOf(act); }
};

#endif // QT_NO_MENUBAR

QT_END_NAMESPACE

#endif // QMENUBAR_P_H