/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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-3.0.html.
**
****************************************************************************/

#ifndef TREEVIEWCOMBOBOX_H
#define TREEVIEWCOMBOBOX_H

#include "utils_global.h"

#include <QComboBox>
#include <QTreeView>

namespace Utils {

class QTCREATOR_UTILS_EXPORT TreeViewComboBoxView : public QTreeView
{
    Q_OBJECT
public:
    TreeViewComboBoxView(QWidget *parent = 0);
    void adjustWidth(int width);
};

class QTCREATOR_UTILS_EXPORT TreeViewComboBox : public QComboBox
{
    Q_OBJECT
public:
    TreeViewComboBox(QWidget *parent = 0);

    void wheelEvent(QWheelEvent *e);
    void keyPressEvent(QKeyEvent *e);
    void setCurrentIndex(const QModelIndex &index);
    bool eventFilter(QObject* object, QEvent* event);
    void showPopup();
    void hidePopup();

    TreeViewComboBoxView *view() const;

private:
    QModelIndex indexBelow(QModelIndex index);
    QModelIndex indexAbove(QModelIndex index);
    QModelIndex lastIndex(const QModelIndex &index);

    TreeViewComboBoxView *m_view;
    bool m_skipNextHide;
};
}

#endif // TREEVIEWCOMBOBOX_H
