src/OCCViewer/OCCViewer_ViewSketcher.h

   1 // Copyright (C) 2007-2023  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, or (at your option) any later version.
   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 class QtxCircleRubberBand;
  37
  38 #ifdef WIN32
  39 #pragma warning ( disable:4251 )
  40 #endif
  41
  42 /*!
  43   \class OCCViewer_ViewSketcher
  44 */
  45
  46 class OCCVIEWER_EXPORT OCCViewer_ViewSketcher : public QObject
  47 {
  48   Q_OBJECT
  49
  50 public:
  51   enum { Neutral, Accept, Reject };
  52
  53 public:
  54   OCCViewer_ViewSketcher( OCCViewer_ViewWindow*, int );
  55   virtual ~OCCViewer_ViewSketcher();
  56
  57 public:
  58   int                          type() const;
  59   int                          result() const;
  60   int                          buttonState() const;
  61   bool                         isHasShift() 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   virtual void                 setSketcherMode(int) {}
  74   virtual int                  sketcherMode() const { return 0; }
  75
  76 private slots:
  77   void                         onDrawViewPort();
  78
  79 protected:
  80   enum SketchState { Debut, EnTrain, Fin };
  81   virtual bool                 onKey( QKeyEvent* );
  82   virtual void                 onMouse( QMouseEvent* );
  83   virtual void                 onSketch( SketchState ) = 0;
  84   virtual void                 onActivate();
  85   virtual void                 onDeactivate();
  86
  87 protected:
  88   int                          mySketchButton;
  89   OCCViewer_ViewWindow*        mypViewWindow;
  90   int                          myType;
  91   void*                        mypData;
  92   int                          myResult;
  93   QCursor                      mySavedCursor;
  94   QPoint                       myStart, myCurr;
  95   int                          myButtonState;
  96   bool                         myHasShift;
  97 };
  98
  99 /*!
 100   \class OCCViewer_RectSketcher
 101 */
 102
 103 class OCCVIEWER_EXPORT OCCViewer_RectSketcher : public OCCViewer_ViewSketcher
 104 {
 105 public:
 106   OCCViewer_RectSketcher( OCCViewer_ViewWindow*, int );
 107   virtual ~OCCViewer_RectSketcher();
 108
 109 protected:
 110   virtual bool                 onKey( QKeyEvent* );
 111   virtual void                 onMouse( QMouseEvent* );
 112   virtual void                 onSketch( SketchState );
 113   virtual void                 onActivate();
 114   virtual void                 onDeactivate();
 115  private:
 116   QtxRectRubberBand*           mypRectRB;
 117 };
 118
 119 /*!
 120   \class OCCViewer_PolygonSketcher
 121 */
 122
 123 class OCCVIEWER_EXPORT OCCViewer_PolygonSketcher : public OCCViewer_ViewSketcher
 124 {
 125 public:
 126   enum SketchMode { Poligone, Circle };
 127
 128   OCCViewer_PolygonSketcher( OCCViewer_ViewWindow*, int );
 129   virtual ~OCCViewer_PolygonSketcher();
 130
 131   virtual void                 setSketcherMode(int theMode);
 132   virtual int                  sketcherMode() const {
 133     return myMode;
 134   }
 135
 136 protected:
 137   virtual bool                 onKey( QKeyEvent* );
 138   virtual void                 onMouse( QMouseEvent* );
 139   virtual void                 onSketch( SketchState );
 140   virtual void                 onActivate();
 141   virtual void                 onDeactivate();
 142
 143 private:
 144   bool                         isValid( const QPolygon*, const QPoint& ) const;
 145   bool                         isIntersect( const QPoint&, const QPoint&,
 146                                             const QPoint&, const QPoint& ) const;
 147
 148 private:
 149   bool                         myDbl;
 150   QSize                        myToler;
 151   QPolygon*                    mypPoints;
 152   int                          myAddButton;
 153   int                          myDelButton;
 154
 155   QtxPolyRubberBand*           mypPolyRB;
 156   QtxCircleRubberBand*         mypCircleRB;
 157
 158   SketchMode myMode;
 159 };
 160
 161 #ifdef WIN32
 162 #pragma warning( default:4251 )
 163 #endif
 164
 165 #endif