src/OCCViewer/OCCViewer_ViewPort.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/
  18 //
  19 #ifndef OCCVIEWER_VIEWPORT_H
  20 #define OCCVIEWER_VIEWPORT_H
  21
  22 #include "OCCViewer.h"
  23
  24 #include "QtxAction.h"
  25
  26 #include <qlist.h>
  27 #include <qcolor.h>
  28 #include <qwidget.h>
  29
  30 #include <Aspect_Window.hxx>
  31
  32 class QRect;
  33 class QCursor;
  34 class QPainter;
  35 class OCCViewer_ViewSketcher;
  36 class OCCViewer_ViewTransformer;
  37
  38 class OCCVIEWER_EXPORT OCCViewer_ViewPort : public QWidget
  39 {
  40         Q_OBJECT
  41
  42   friend class OCCViewer_ViewSketcher;
  43
  44 public:
  45   OCCViewer_ViewPort( QWidget* parent );
  46         virtual ~OCCViewer_ViewPort();
  47
  48 public:
  49         void                             setSketchingEnabled( bool );
  50   bool                           isSketchingEnabled() const;
  51   void                           setTransformEnabled( bool );
  52   bool                           isTransformEnabled() const;
  53
  54   virtual QColor                         backgroundColor() const;
  55   virtual void                     setBackgroundColor( const QColor& );
  56
  57   void                           redrawPainters();
  58
  59   virtual void                     onUpdate();
  60
  61 protected:
  62 //      enum ViewType { Type2D, Type3D };
  63         void                                     selectVisualId();
  64
  65 // EVENTS
  66         virtual void                   paintEvent( QPaintEvent *);
  67         virtual void                     mouseMoveEvent( QMouseEvent *);
  68         virtual void                     mouseReleaseEvent( QMouseEvent *);
  69         virtual void                     mousePressEvent( QMouseEvent *);
  70         virtual void                     mouseDoubleClickEvent( QMouseEvent *);
  71   virtual void                     keyPressEvent( QKeyEvent *);
  72   virtual void                     keyReleaseEvent( QKeyEvent *);
  73
  74 // TO BE REDEFINED
  75   virtual void                   reset() = 0;
  76   virtual void                   pan( int, int ) = 0;
  77         virtual void                     setCenter( int, int ) = 0;
  78         virtual void                     fitRect( const QRect& ) = 0;
  79   virtual void                   zoom( int, int, int, int ) = 0;
  80   virtual void                   fitAll( bool keepScale = false, bool withZ = true, bool upd = true ) = 0;
  81
  82 // POPUP
  83 //  void                             onCreatePopup( QPopupMenu* );
  84 //      void                             onDestroyPopup( QPopupMenu* );
  85
  86 protected slots:
  87   virtual void                   onChangeBgColor();
  88
  89 signals:
  90   void                                   vpKeyEvent( QKeyEvent* );
  91   void                                   vpMouseEvent( QMouseEvent* );
  92         void                                 vpDrawExternal( QPainter* );
  93   void                           vpChangeBGColor( QColor );
  94
  95 private:
  96         void                             initialize();
  97         void                             cleanup();
  98
  99 protected:
 100   Handle(Aspect_Window)         myWindow;
 101   bool                                      myEnableSketching;
 102   bool                                      myEnableTransform;
 103   bool                                      myPaintersRedrawing;        /* set to draw externally */
 104   QPtrList<QtxAction>           myPopupActions;
 105
 106 private:
 107         static int                               nCounter;                              /* objects counter */
 108 };
 109
 110 #endif