Mercurial > hg > easyhg
view panned.h @ 53:3c46b2ac45d3
* Put proper labels &c in changeset items; colour branches and users; etc
author | Chris Cannam |
---|---|
date | Fri, 12 Nov 2010 16:48:18 +0000 |
parents | 4286836bb3c9 |
children | f583e44d9d31 |
line wrap: on
line source
/* -*- 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. Copyright 2000-2010 the Rosegarden development team. 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_PANNED_H_ #define _RG_PANNED_H_ #include <QGraphicsView> class QWheelEvent; class QEvent; class Panned : public QGraphicsView { Q_OBJECT public: Panned(); virtual ~Panned() { } signals: void pannedRectChanged(QRectF); void wheelEventReceived(QWheelEvent *); void pannedContentsScrolled(); void mouseLeaves(); public slots: void slotSetPannedRect(QRectF); void slotEmulateWheelEvent(QWheelEvent *ev); void zoomIn(); void zoomOut(); protected: QRectF m_pannedRect; virtual void paintEvent(QPaintEvent *); virtual void resizeEvent(QResizeEvent *); virtual void drawForeground(QPainter *, const QRectF &); virtual void wheelEvent(QWheelEvent *); virtual void leaveEvent(QEvent *); }; #endif