src/OCCViewer/OCCViewer_ViewSketcher.h

   1 //  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
   2 //
   3 //  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 //  This library is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU Lesser General Public
   8 //  License as published by the Free Software Foundation; either
   9 //  version 2.1 of the License.
  10 //
  11 //  This library is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 //  Lesser General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU Lesser General Public
  17 //  License along with this library; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 //  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 //
  22 #ifndef OCCVIEWER_VIEWSKETCHER_H
  23 #define OCCVIEWER_VIEWSKETCHER_H
  24
  25 #include "OCCViewer.h"
  26
  27 #include <QObject>
  28 #include <QCursor>
  29 #include <QSize>
  30
  31 class OCCViewer_ViewWindow;
  32 class QKeyEvent;
  33 class QMouseEvent;
  34 class QPolygon;
  35
  36 class QtxRectRubberBand;
  37 class QtxPolyRubberBand;
  38
  39 #ifdef WNT
  40 #pragma warning ( disable:4251 )
  41 #endif
  42
  43 /*!
  44   \class OCCViewer_ViewSketcher
  45 */
  46
  47 class OCCVIEWER_EXPORT OCCViewer_ViewSketcher : public QObject
  48 {
  49   Q_OBJECT
  50
  51 public:
  52   enum { Neutral, Accept, Reject };
  53
  54 public:
  55   OCCViewer_ViewSketcher( OCCViewer_ViewWindow*, int );
  56   virtual ~OCCViewer_ViewSketcher();
  57
  58 public:
  59   int                          type() const;
  60   int                          result() const;
  61   int                          buttonState() const;
  62   void*                        data() const;
  63
  64   void                         activate();
  65   void                         deactivate();
  66
  67   int                          sketchButton();
  68   void                         setSketchButton( int );
  69
  70   virtual bool                 isDefault() const;
  71   virtual bool                 eventFilter( QObject*, QEvent* );
  72
  73 private slots:
  74   void                         onDrawViewPort();
  75
  76 protected:
  77   enum SketchState { Debut, EnTrain, Fin };
  78   virtual bool                 onKey( QKeyEvent* );
  79   virtual void                 onMouse( QMouseEvent* );
  80   virtual void                 onSketch( SketchState ) = 0;
  81   virtual void                 onActivate();
  82   virtual void                 onDeactivate();
  83
  84 protected:
  85   int                          mySketchButton;
  86   OCCViewer_ViewWindow*        mypViewWindow;
  87   int                          myType;
  88   void*                        mypData;
  89   int                          myResult;
  90   QCursor                      mySavedCursor;
  91   QPoint                       myStart, myCurr;
  92   int                          myButtonState;
  93 };
  94
  95 /*!
  96   \class OCCViewer_RectSketcher
  97 */
  98
  99 class OCCVIEWER_EXPORT OCCViewer_RectSketcher : public OCCViewer_ViewSketcher
 100 {
 101 public:
 102   OCCViewer_RectSketcher( OCCViewer_ViewWindow*, int );
 103   virtual ~OCCViewer_RectSketcher();
 104
 105 protected:
 106   virtual bool                 onKey( QKeyEvent* );
 107   virtual void                 onMouse( QMouseEvent* );
 108   virtual void                 onSketch( SketchState );
 109   virtual void                 onActivate();
 110   virtual void                 onDeactivate();
 111  private:
 112   QtxRectRubberBand*           mypRectRB;
 113 };
 114
 115 /*!
 116   \class OCCViewer_PolygonSketcher
 117 */
 118
 119 class OCCVIEWER_EXPORT OCCViewer_PolygonSketcher : public OCCViewer_ViewSketcher
 120 {
 121 public:
 122   OCCViewer_PolygonSketcher( OCCViewer_ViewWindow*, int );
 123   virtual ~OCCViewer_PolygonSketcher();
 124
 125 protected:
 126   virtual bool                 onKey( QKeyEvent* );
 127   virtual void                 onMouse( QMouseEvent* );
 128   virtual void                 onSketch( SketchState );
 129   virtual void                 onActivate();
 130   virtual void                 onDeactivate();
 131
 132 private:
 133   bool                         isValid( const QPolygon*, const QPoint& ) const;
 134   bool                         isIntersect( const QPoint&, const QPoint&,
 135                                             const QPoint&, const QPoint& ) const;
 136
 137 private:
 138   bool                         myDbl;
 139   QSize                        myToler;
 140   QPolygon*                    mypPoints;
 141   int                          myAddButton;
 142   int                          myDelButton;
 143
 144   QtxPolyRubberBand*           mypPolyRB;
 145 };
 146
 147 #ifdef WNT
 148 #pragma warning( default:4251 )
 149 #endif
 150
 151 #endif