Mercurial > hg > easyhg
diff src/panner.h @ 370:b9c153e00e84
Move source files to src/
author | Chris Cannam |
---|---|
date | Thu, 24 Mar 2011 10:27:51 +0000 |
parents | panner.h@8fd71f570884 |
children | 496f2042155a |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/panner.h Thu Mar 24 10:27:51 2011 +0000 @@ -0,0 +1,78 @@ +/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ + +/* + EasyMercurial + + Based on HgExplorer by Jari Korhonen + Copyright (c) 2010 Jari Korhonen + Copyright (c) 2011 Chris Cannam + Copyright (c) 2011 Queen Mary, University of London + + 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 _PANNER_H_ +#define _PANNER_H_ + +#include <QGraphicsView> + +class Panned; + +class Panner : public QGraphicsView +{ + Q_OBJECT + +public: + Panner(); + virtual ~Panner() { } + + virtual void setScene(QGraphicsScene *); + + void connectToPanned(Panned *p); + +signals: + void pannedRectChanged(QRectF); + void pannerChanged(QRectF); + void zoomIn(); + void zoomOut(); + +public slots: + void slotSetPannedRect(QRectF); + +protected slots: + void slotSceneRectChanged(const QRectF &); + void slotSceneChanged(const QList<QRectF> &); + +protected: + QRectF m_pannedRect; + + void moveTo(QPoint); + + void fit(QRectF); + + virtual void paintEvent(QPaintEvent *); + virtual void mousePressEvent(QMouseEvent *e); + virtual void mouseMoveEvent(QMouseEvent *e); + virtual void mouseReleaseEvent(QMouseEvent *e); + virtual void mouseDoubleClickEvent(QMouseEvent *e); + virtual void wheelEvent(QWheelEvent *e); + + virtual void resizeEvent(QResizeEvent *); + + virtual void updateScene(const QList<QRectF> &); + virtual void drawItems(QPainter *, int, QGraphicsItem *[], + const QStyleOptionGraphicsItem []); + + bool m_clicked; + QRectF m_clickedRect; + QPoint m_clickedPoint; + + QPixmap m_cache; +}; + +#endif +