/****************************************************************************
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** Copyright (C) 2015 The Qt Company Ltd.
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**
** This file is part of Qt Creator.
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** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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****************************************************************************/

#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