/***************************************************************************
 *   Copyright (c) 2004 David Faure <faure@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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this program; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
 ***************************************************************************/

#ifndef KDEVPLATFORM_OVERLAYWIDGET_H
#define KDEVPLATFORM_OVERLAYWIDGET_H

#include <KHBox>

class QResizeEvent;
class QEvent;

namespace KDevelop {

/**
 * This is a widget that can align itself with another one, without using a layout,
 * so that it can actually be on top of other widgets.
 * Currently the only supported type of alignment is "right aligned, on top of the other widget".
 *
 * OverlayWidget inherits KHBox for convenience purposes (layout, and frame)
 */
class OverlayWidget : public KHBox
{
    Q_OBJECT

public:
    OverlayWidget( QWidget* alignWidget, QWidget* parent, const char* name = 0 );
    ~OverlayWidget();

    QWidget * alignWidget() { return mAlignWidget; }
    void setAlignWidget( QWidget * alignWidget );

protected:
    void resizeEvent( QResizeEvent* ev );
    bool eventFilter( QObject* o, QEvent* e);

private:
    void reposition();

private:
    QWidget * mAlignWidget;
};

} // namespace

#endif /* OVERLAYWIDGET_H */