Version: 8.3.0
GraphicsView.hxx
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1 // Copyright (C) 2006-2016 CEA/DEN, EDF R&D
2 //
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
7 //
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
12 //
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 //
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
18 //
19 
20 #ifndef _GRAPHICSVIEW_HXX_
21 #define _GRAPHICSVIEW_HXX_
22 
23 #include "WrapGraphicsView.hxx"
24 
25 #include <QContextMenuEvent>
26 #include <QAction>
27 #include <QGraphicsRectItem>
28 
29 namespace YACS
30 {
31  namespace HMI
32  {
33  class GraphicsView: public WrapGraphicsView
34  {
35  Q_OBJECT
36 
37  public:
38  GraphicsView(QWidget *parent = 0);
39  virtual ~GraphicsView();
40 
41  public slots:
42  virtual void onViewFitAll();
43  virtual void onViewFitArea();
44  virtual void onViewZoom();
45  virtual void onViewPan();
46  virtual void onViewGlobalPan();
47  virtual void onViewReset();
48 
49  virtual void onZoomToBloc();
50  virtual void onCenterOnNode();
51 
52  protected:
53  void contextMenuEvent(QContextMenuEvent *event);
54  void mouseMoveEvent (QMouseEvent *e);
55  void mousePressEvent (QMouseEvent *e);
56  void mouseReleaseEvent (QMouseEvent *e);
57  virtual void wheelEvent (QWheelEvent *e);
58 
59  bool _zooming;
60  bool _fittingArea;
61  bool _panning;
62  int _prevX;
63  int _prevY;
64  qreal _scale;
65  QPoint _prevPos;
66  QGraphicsRectItem *_rect;
67  };
68  }
69 }
70 #endif