src/OCCViewer/OCCViewer_ViewSketcher.h

   1 // Copyright (C) 2007-2013  CEA/DEN, EDF R&D, OPEN CASCADE
   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.
   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 OCCVIEWER_VIEWSKETCHER_H
  21 #define OCCVIEWER_VIEWSKETCHER_H
  22
  23 #include "OCCViewer.h"
  24
  25 #include <QObject>
  26 #include <QCursor>
  27 #include <QSize>
  28
  29 class OCCViewer_ViewWindow;
  30 class QKeyEvent;
  31 class QMouseEvent;
  32 class QPolygon;
  33
  34 class QtxRectRubberBand;
  35 class QtxPolyRubberBand;
  36
  37 #ifdef WNT
  38 #pragma warning ( disable:4251 )
  39 #endif
  40
  41 /*!
  42   \class OCCViewer_ViewSketcher
  43 */
  44
  45 class OCCVIEWER_EXPORT OCCViewer_ViewSketcher : public QObject
  46 {
  47   Q_OBJECT
  48
  49 public:
  50   enum { Neutral, Accept, Reject };
  51
  52 public:
  53   OCCViewer_ViewSketcher( OCCViewer_ViewWindow*, int );
  54   virtual ~OCCViewer_ViewSketcher();
  55
  56 public:
  57   int                          type() const;
  58   int                          result() const;
  59   int                          buttonState() const;
  60   bool                         isHasShift() const;
  61   void*                        data() const;
  62
  63   void                         activate();
  64   void                         deactivate();
  65
  66   int                          sketchButton();
  67   void                         setSketchButton( int );
  68
  69   virtual bool                 isDefault() const;
  70   virtual bool                 eventFilter( QObject*, QEvent* );
  71
  72 private slots:
  73   void                         onDrawViewPort();
  74
  75 protected:
  76   enum SketchState { Debut, EnTrain, Fin };
  77   virtual bool                 onKey( QKeyEvent* );
  78   virtual void                 onMouse( QMouseEvent* );
  79   virtual void                 onSketch( SketchState ) = 0;
  80   virtual void                 onActivate();
  81   virtual void                 onDeactivate();
  82
  83 protected:
  84   int                          mySketchButton;
  85   OCCViewer_ViewWindow*        mypViewWindow;
  86   int                          myType;
  87   void*                        mypData;
  88   int                          myResult;
  89   QCursor                      mySavedCursor;
  90   QPoint                       myStart, myCurr;
  91   int                          myButtonState;
  92   bool                         myHasShift;
  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