/* This file is part of the KDE project
   Copyright (C) 2005-2007 Jarosław Staniek <staniek@kde.org>

   This program 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 program 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 program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#ifndef KEXITABLEVIEWHEADER_H
#define KEXITABLEVIEWHEADER_H

#include <kexi_global.h>
#include <Q3Header>
#include <QPointer>
#include <QStyle>

//! @short A table view header with additional actions.
/*! Displays field description (Field::description()) text as tool tip, if available.
 Displays tool tips if a pointed section is not wide enough to fit its label text.

 \todo react on indexChange ( int section, int fromIndex, int toIndex ) signal
*/
class KEXIDATATABLE_EXPORT KexiTableViewHeader : public Q3Header
{
    Q_OBJECT

public:
    KexiTableViewHeader(QWidget * parent = 0);

    virtual ~KexiTableViewHeader();

    int addLabel(const QString & s, int size = -1);

    int addLabel(const QIcon & icon, const QString & s, int size = -1);

    void removeLabel(int section);

    /*! Sets \a toolTip for \a section. */
    void setToolTip(int section, const QString & toolTip);

    void setSelectedSection(int section);
    int selectedSection() const;

//! @todo Qt4: support entire QBrush here?
    QColor selectionBackgroundColor() const;
    void setSelectionBackgroundColor(const QColor &color);

protected slots:
    void slotSizeChange(int section, int oldSize, int newSize);

protected:
    virtual bool eventFilter(QObject * watched, QEvent * e);
    virtual bool event(QEvent *event);
    virtual void paintSection(QPainter * p, int index, const QRect & fr);
    virtual void styleChanged();

    int m_lastToolTipSection;
    QRect m_toolTipRect;

    QStringList m_toolTips;
    QColor m_selectionBackgroundColor;
    QPointer<QStyle> m_privateStyle;
    int m_selectedSection;
    bool m_styleChangeEnabled;
};

#endif
