1 // Copyright (C) 2013-2014 CEA/DEN, EDF R&D, OPEN CASCADE
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.
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.
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
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #ifndef GRAPHICSVIEW_VIEWTRANSFORMER_H
21 #define GRAPHICSVIEW_VIEWTRANSFORMER_H
23 #include "GraphicsView.h"
31 class GraphicsView_Viewer;
34 Class : GraphicsView_ViewTransformer
35 Description : View transformer of the graphics view
37 class GRAPHICSVIEW_API GraphicsView_ViewTransformer : public QObject
40 GraphicsView_ViewTransformer( GraphicsView_Viewer*, int type );
41 ~GraphicsView_ViewTransformer();
46 static int accelKey() { return acccelKey; }
47 static void setAccelKey( int k ) { acccelKey = k; }
49 static int zoomButton() { return zoomBtn; }
50 static void setZoomButton( int b ) { zoomBtn = b; }
52 static int panButton() { return panBtn; }
53 static void setPanButton( int b ) { panBtn = b; }
55 static int panGlobalButton() { return panGlobalBtn; }
56 static void setPanGlobalButton( int b ) { panGlobalBtn = b; }
58 static int fitRectButton() { return fitRectBtn; }
59 static void setFitRectButton( int b ) { fitRectBtn = b; }
62 virtual bool eventFilter( QObject*, QEvent* );
65 enum TransformState { Begin, InProcess, Finished };
66 virtual void onTransform( TransformState );
67 void initTransform( bool );
69 void drawRect( const QRectF& theRect );
75 static int fitRectBtn;
76 static int panGlobalBtn;
80 GraphicsView_Viewer* myViewer;
82 QCursor mySavedCursor;
83 bool mySavedMouseTrack;
89 QRubberBand* myRectBand;