/*  This file is part of the KDE libraries and the Kate part.
 *
 *  Copyright (C) 2006 Hamish Rodda <rodda@kde.org>
 *  Copyright (C) 2007-2008 David Nolden <david.nolden.kdevelop@art-master.de>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 */

#ifndef KATECOMPLETIONTREE_H
#define KATECOMPLETIONTREE_H

#include "expandingtree/expandingtree.h"

class KateCompletionWidget;
class KateCompletionModel;

class QTimer;

class KateCompletionTree : public ExpandingTree
{
    Q_OBJECT

public:
    explicit KateCompletionTree(KateCompletionWidget *parent);

    KateCompletionWidget *widget() const;
    KateCompletionModel *kateModel() const;

    void resizeColumns(bool firstShow = false, bool forceResize = false);

    // Navigation
    bool nextCompletion();
    bool previousCompletion();
    bool pageDown();
    bool pageUp();
    void top();
    void bottom();

    void scheduleUpdate();

    void setScrollingEnabled(bool);

    /// Returns the approximated viewport position of the text in the given column, skipping an eventual icon
    int columnTextViewportPosition(int column) const;

private Q_SLOTS:
    void resizeColumnsSlot();

protected:
    virtual void currentChanged(const QModelIndex &current, const QModelIndex &previous);      ///Not available as a signal in this way
    virtual void scrollContentsBy(int dx, int dy);
    virtual QStyleOptionViewItem viewOptions() const;
private:
    bool m_scrollingEnabled;
    QTimer *m_resizeTimer;
};

#endif
