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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtWidgets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QTOOLBARLAYOUT_P_H
#define QTOOLBARLAYOUT_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/qlayout.h>
#include <private/qlayoutengine_p.h>
#include <QVector>

QT_BEGIN_NAMESPACE

#ifndef QT_NO_TOOLBAR

class QAction;
class QToolBarExtension;
class QMenu;

class QToolBarItem : public QWidgetItem
{
public:
    QToolBarItem(QWidget *widget);
    bool isEmpty() const Q_DECL_OVERRIDE;

    QAction *action;
    bool customWidget;
};

class QToolBarLayout : public QLayout
{
    Q_OBJECT

public:
    QToolBarLayout(QWidget *parent = 0);
    ~QToolBarLayout();

    void addItem(QLayoutItem *item) Q_DECL_OVERRIDE;
    QLayoutItem *itemAt(int index) const Q_DECL_OVERRIDE;
    QLayoutItem *takeAt(int index) Q_DECL_OVERRIDE;
    int count() const Q_DECL_OVERRIDE;

    bool isEmpty() const Q_DECL_OVERRIDE;
    void invalidate() Q_DECL_OVERRIDE;
    Qt::Orientations expandingDirections() const Q_DECL_OVERRIDE;

    void setGeometry(const QRect &r) Q_DECL_OVERRIDE;
    QSize minimumSize() const Q_DECL_OVERRIDE;
    QSize sizeHint() const Q_DECL_OVERRIDE;

    void insertAction(int index, QAction *action);
    int indexOf(QAction *action) const;
    int indexOf(QWidget *widget) const Q_DECL_OVERRIDE { return QLayout::indexOf(widget); }

    bool layoutActions(const QSize &size);
    QSize expandedSize(const QSize &size) const;
    bool expanded, animating;

    void setUsePopupMenu(bool set); // Yeah, there's no getter, but it's internal.
    void checkUsePopupMenu();

    bool movable() const;
    void updateMarginAndSpacing();
    bool hasExpandFlag() const;

    void updateMacBorderMetrics();
public Q_SLOTS:
    void setExpanded(bool b);

private:
    QList<QToolBarItem*> items;
    QSize hint, minSize;
    bool dirty, expanding, empty, expandFlag;
    QVector<QLayoutStruct> geomArray;
    QRect handRect;
    QToolBarExtension *extension;

    void updateGeomArray() const;
    QToolBarItem *createItem(QAction *action);
    QMenu *popupMenu;
};

#endif // QT_NO_TOOLBAR

QT_END_NAMESPACE

#endif // QTOOLBARLAYOUT_P_H