Mercurial > hg > easyhg
annotate panned.h @ 140:bad40d7e7a2b
* First cut at (not yet operational) right-button menu
| author | Chris Cannam |
|---|---|
| date | Tue, 30 Nov 2010 14:59:52 +0000 |
| parents | aaeab914f2a3 |
| children | 4bad3c5c053a |
| rev | line source |
|---|---|
| Chris@57 | 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ |
| cannam@45 | 2 |
| cannam@45 | 3 /* |
| Chris@57 | 4 EasyMercurial |
| Chris@57 | 5 |
| Chris@57 | 6 Based on HgExplorer by Jari Korhonen |
| Chris@57 | 7 Copyright (c) 2010 Jari Korhonen |
| Chris@57 | 8 Copyright (c) 2010 Chris Cannam |
| Chris@57 | 9 Copyright (c) 2010 Queen Mary, University of London |
| Chris@57 | 10 |
| cannam@45 | 11 This program is free software; you can redistribute it and/or |
| cannam@45 | 12 modify it under the terms of the GNU General Public License as |
| cannam@45 | 13 published by the Free Software Foundation; either version 2 of the |
| cannam@45 | 14 License, or (at your option) any later version. See the file |
| cannam@45 | 15 COPYING included with this distribution for more information. |
| cannam@45 | 16 */ |
| cannam@45 | 17 |
| Chris@57 | 18 #ifndef _PANNED_H_ |
| Chris@57 | 19 #define _PANNED_H_ |
| cannam@45 | 20 |
| cannam@45 | 21 #include <QGraphicsView> |
| cannam@45 | 22 |
| cannam@45 | 23 class QWheelEvent; |
| cannam@45 | 24 class QEvent; |
| cannam@45 | 25 |
| cannam@45 | 26 class Panned : public QGraphicsView |
| cannam@45 | 27 { |
| cannam@45 | 28 Q_OBJECT |
| cannam@45 | 29 |
| cannam@45 | 30 public: |
| cannam@45 | 31 Panned(); |
| cannam@45 | 32 virtual ~Panned() { } |
| cannam@45 | 33 |
| Chris@133 | 34 virtual void setScene(QGraphicsScene *s); |
| Chris@133 | 35 |
| cannam@45 | 36 signals: |
| cannam@45 | 37 void pannedRectChanged(QRectF); |
| cannam@45 | 38 void wheelEventReceived(QWheelEvent *); |
| cannam@45 | 39 void pannedContentsScrolled(); |
| cannam@45 | 40 void mouseLeaves(); |
| cannam@45 | 41 |
| cannam@45 | 42 public slots: |
| cannam@45 | 43 void slotSetPannedRect(QRectF); |
| cannam@45 | 44 void slotEmulateWheelEvent(QWheelEvent *ev); |
| cannam@45 | 45 |
| Chris@53 | 46 void zoomIn(); |
| Chris@53 | 47 void zoomOut(); |
| Chris@53 | 48 |
| cannam@45 | 49 protected: |
| cannam@45 | 50 QRectF m_pannedRect; |
| cannam@45 | 51 |
| cannam@45 | 52 virtual void paintEvent(QPaintEvent *); |
| cannam@45 | 53 virtual void resizeEvent(QResizeEvent *); |
| cannam@45 | 54 virtual void drawForeground(QPainter *, const QRectF &); |
| cannam@45 | 55 virtual void wheelEvent(QWheelEvent *); |
| cannam@45 | 56 virtual void leaveEvent(QEvent *); |
| cannam@45 | 57 }; |
| cannam@45 | 58 |
| cannam@45 | 59 #endif |
| cannam@45 | 60 |