src/OCCViewer/OCCViewer_ViewSketcher.h

   1 // Copyright (C) 2007-2012  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   void*                        data() const;
  61
  62   void                         activate();
  63   void                         deactivate();
  64
  65   int                          sketchButton();
  66   void                         setSketchButton( int );
  67
  68   virtual bool                 isDefault() const;
  69   virtual bool                 eventFilter( QObject*, QEvent* );
  70
  71 private slots:
  72   void                         onDrawViewPort();
  73
  74 protected:
  75   enum SketchState { Debut, EnTrain, Fin };
  76   virtual bool                 onKey( QKeyEvent* );
  77   virtual void                 onMouse( QMouseEvent* );
  78   virtual void                 onSketch( SketchState ) = 0;
  79   virtual void                 onActivate();
  80   virtual void                 onDeactivate();
  81
  82 protected:
  83   int                          mySketchButton;
  84   OCCViewer_ViewWindow*        mypViewWindow;
  85   int                          myType;
  86   void*                        mypData;
  87   int                          myResult;
  88   QCursor                      mySavedCursor;
  89   QPoint                       myStart, myCurr;
  90   int                          myButtonState;
  91 };
  92
  93 /*!
  94   \class OCCViewer_RectSketcher
  95 */
  96
  97 class OCCVIEWER_EXPORT OCCViewer_RectSketcher : public OCCViewer_ViewSketcher
  98 {
  99 public:
 100   OCCViewer_RectSketcher( OCCViewer_ViewWindow*, int );
 101   virtual ~OCCViewer_RectSketcher();
 102
 103 protected:
 104   virtual bool                 onKey( QKeyEvent* );
 105   virtual void                 onMouse( QMouseEvent* );
 106   virtual void                 onSketch( SketchState );
 107   virtual void                 onActivate();
 108   virtual void                 onDeactivate();
 109  private:
 110   QtxRectRubberBand*           mypRectRB;
 111 };
 112
 113 /*!
 114   \class OCCViewer_PolygonSketcher
 115 */
 116
 117 class OCCVIEWER_EXPORT OCCViewer_PolygonSketcher : public OCCViewer_ViewSketcher
 118 {
 119 public:
 120   OCCViewer_PolygonSketcher( OCCViewer_ViewWindow*, int );
 121   virtual ~OCCViewer_PolygonSketcher();
 122
 123 protected:
 124   virtual bool                 onKey( QKeyEvent* );
 125   virtual void                 onMouse( QMouseEvent* );
 126   virtual void                 onSketch( SketchState );
 127   virtual void                 onActivate();
 128   virtual void                 onDeactivate();
 129
 130 private:
 131   bool                         isValid( const QPolygon*, const QPoint& ) const;
 132   bool                         isIntersect( const QPoint&, const QPoint&,
 133                                             const QPoint&, const QPoint& ) const;
 134
 135 private:
 136   bool                         myDbl;
 137   QSize                        myToler;
 138   QPolygon*                    mypPoints;
 139   int                          myAddButton;
 140   int                          myDelButton;
 141
 142   QtxPolyRubberBand*           mypPolyRB;
 143 };
 144
 145 #ifdef WNT
 146 #pragma warning( default:4251 )
 147 #endif
 148
 149 #endif