src/OCCViewer/OCCViewer_ViewSketcher.h

   1 // Copyright (C) 2005  OPEN CASCADE, CEA/DEN, EDF R&D, PRINCIPIA 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.
   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 #ifndef OCCVIEWER_VIEWSKETCHER_H
  20 #define OCCVIEWER_VIEWSKETCHER_H
  21
  22 #include "OCCViewer.h"
  23
  24 #include <qobject.h>
  25 #include <qcursor.h>
  26
  27 class OCCViewer_ViewWindow;
  28
  29 #ifdef WNT
  30 #pragma warning ( disable:4251 )
  31 #endif
  32
  33 /*!
  34   \class OCCViewer_ViewSketcher
  35 */
  36
  37 class OCCVIEWER_EXPORT OCCViewer_ViewSketcher : public QObject
  38 {
  39   Q_OBJECT
  40
  41 public:
  42   enum { Neutral, Accept, Reject };
  43
  44 public:
  45   OCCViewer_ViewSketcher( OCCViewer_ViewWindow*, int );
  46   virtual ~OCCViewer_ViewSketcher();
  47
  48 public:
  49   int                          type() const;
  50   int                          result() const;
  51   int                          buttonState() const;
  52   void*                        data() const;
  53
  54   void                         activate();
  55   void                         deactivate();
  56
  57   int                          sketchButton();
  58   void                         setSketchButton( int );
  59
  60   virtual bool                 isDefault() const;
  61   virtual bool                 eventFilter( QObject*, QEvent* );
  62
  63 private slots:
  64   void                         onDrawViewPort();
  65
  66 protected:
  67   enum SketchState { Debut, EnTrain, Fin };
  68   virtual bool                 onKey( QKeyEvent* );
  69   virtual void                 onMouse( QMouseEvent* );
  70   virtual void                 onSketch( SketchState ) = 0;
  71   virtual void                 onActivate();
  72   virtual void                 onDeactivate();
  73
  74 protected:
  75   int                          mySketchButton;
  76   OCCViewer_ViewWindow*        mypViewWindow;
  77   int                          myType;
  78   void*                        mypData;
  79   int                          myResult;
  80   QCursor                      mySavedCursor;
  81   QPoint                       myStart, myCurr;
  82   int                          myButtonState;
  83 };
  84
  85 /*!
  86   \class OCCViewer_RectSketcher
  87 */
  88
  89 class OCCVIEWER_EXPORT OCCViewer_RectSketcher : public OCCViewer_ViewSketcher
  90 {
  91 public:
  92   OCCViewer_RectSketcher( OCCViewer_ViewWindow*, int );
  93   virtual ~OCCViewer_RectSketcher();
  94
  95 protected:
  96   virtual bool                 onKey( QKeyEvent* );
  97   virtual void                 onMouse( QMouseEvent* );
  98   virtual void                 onSketch( SketchState );
  99   virtual void                 onActivate();
 100   virtual void                 onDeactivate();
 101 };
 102
 103 /*!
 104   \class OCCViewer_PolygonSketcher
 105 */
 106
 107 class OCCVIEWER_EXPORT OCCViewer_PolygonSketcher : public OCCViewer_ViewSketcher
 108 {
 109 public:
 110   OCCViewer_PolygonSketcher( OCCViewer_ViewWindow*, int );
 111   virtual ~OCCViewer_PolygonSketcher();
 112
 113 protected:
 114   virtual bool                 onKey( QKeyEvent* );
 115   virtual void                 onMouse( QMouseEvent* );
 116   virtual void                 onSketch( SketchState );
 117   virtual void                 onActivate();
 118   virtual void                 onDeactivate();
 119
 120 private:
 121   bool                         isValid( const QPointArray*, const QPoint& ) const;
 122   bool                         isIntersect( const QPoint&, const QPoint&,
 123                                             const QPoint&, const QPoint& ) const;
 124
 125 private:
 126   bool                         myDbl;
 127   QSize                        myToler;
 128   QPointArray*                 mypPoints;
 129   int                          myAddButton;
 130   int                          myDelButton;
 131 };
 132
 133 #ifdef WNT
 134 #pragma warning( default:4251 )
 135 #endif
 136
 137 #endif