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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Rosegarden
A MIDI and audio sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <glaurent@telegraph-road.org>,
Chris Cannam <cannam@all-day-breakfast.com>,
Richard Bown <richard.bown@ferventsoftware.com>
The moral rights of Guillaume Laurent, Chris Cannam, and Richard
Bown to claim authorship of this work have been asserted.
This file is based on code from KGhostView, Copyright 1997-2002
Markkhu Hihnala <mah@ee.oulu.fi>
and the KGhostView authors.
Other copyrights also apply to some parts of this work. Please
see the AUTHORS file and individual file headers for details.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#ifndef _RG_SCROLLBOX_H_
#define _RG_SCROLLBOX_H_
#include <qframe.h>
#include <qpixmap.h>
#include <qpoint.h>
#include <qsize.h>
class QWidget;
class QPainter;
class QMouseEvent;
namespace Rosegarden
{
class ScrollBox: public QFrame
{
Q_OBJECT
public:
enum SizeMode { FixWidth, FixHeight };
ScrollBox(QWidget *parent = 0,
SizeMode mode = FixWidth,
const char *name = 0);
public slots:
void setPageSize(const QSize&);
void setViewSize(const QSize&);
void setViewPos(const QPoint&);
void setViewPos(int x, int y) { setViewPos(QPoint(x, y)); }
void setViewX(int x);
void setViewY(int y);
void setThumbnail(QPixmap img);
signals:
void valueChanged(const QPoint&);
void valueChangedRelative(int dx, int dy);
void button2Pressed();
void button3Pressed();
protected:
void mousePressEvent(QMouseEvent *);
void mouseMoveEvent(QMouseEvent *);
void drawContents(QPainter *);
private:
QPoint m_viewpos;
QPoint m_mouse;
QSize m_pagesize;
QSize m_viewsize;
SizeMode m_sizeMode;
};
}
#endif
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