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 /*!
  39   \class OCCViewer_ViewPort
  40   Visualisation canvas of SUIT-based application
  41 */
  42 class OCCVIEWER_EXPORT OCCViewer_ViewPort : public QWidget
  43 {
  44         Q_OBJECT
  45
  46   friend class OCCViewer_ViewSketcher;
  47
  48 public:
  49   OCCViewer_ViewPort( QWidget* parent );
  50         virtual ~OCCViewer_ViewPort();
  51
  52 public:
  53         void                             setSketchingEnabled( bool );
  54   bool                           isSketchingEnabled() const;
  55   void                           setTransformEnabled( bool );
  56   bool                           isTransformEnabled() const;
  57
  58   virtual QColor                         backgroundColor() const;
  59   virtual void                     setBackgroundColor( const QColor& );
  60
  61   void                           redrawPainters();
  62
  63   virtual void                     onUpdate();
  64
  65 protected:
  66 //      enum ViewType { Type2D, Type3D };
  67         void                                     selectVisualId();
  68
  69 // EVENTS
  70         virtual void                   paintEvent( QPaintEvent *);
  71         virtual void                     mouseMoveEvent( QMouseEvent *);
  72         virtual void                     mouseReleaseEvent( QMouseEvent *);
  73         virtual void                     mousePressEvent( QMouseEvent *);
  74         virtual void                     mouseDoubleClickEvent( QMouseEvent *);
  75   virtual void                     keyPressEvent( QKeyEvent *);
  76   virtual void                     keyReleaseEvent( QKeyEvent *);
  77
  78 // TO BE REDEFINED
  79   virtual void                   reset() = 0;
  80   virtual void                   pan( int, int ) = 0;
  81         virtual void                     setCenter( int, int ) = 0;
  82         virtual void                     fitRect( const QRect& ) = 0;
  83   virtual void                   zoom( int, int, int, int ) = 0;
  84   virtual void                   fitAll( bool keepScale = false, bool withZ = true, bool upd = true ) = 0;
  85
  86 // POPUP
  87 //  void                             onCreatePopup( QPopupMenu* );
  88 //      void                             onDestroyPopup( QPopupMenu* );
  89
  90 protected slots:
  91   virtual void                   onChangeBgColor();
  92
  93 signals:
  94   void                                   vpKeyEvent( QKeyEvent* );
  95   void                                   vpMouseEvent( QMouseEvent* );
  96         void                                 vpDrawExternal( QPainter* );
  97   void                           vpChangeBGColor( QColor );
  98
  99 private:
 100         void                             initialize();
 101         void                             cleanup();
 102
 103 protected:
 104   Handle(Aspect_Window)         myWindow;
 105   bool                                      myEnableSketching;
 106   bool                                      myEnableTransform;
 107   bool                                      myPaintersRedrawing;        /* set to draw externally */
 108   QPtrList<QtxAction>           myPopupActions;
 109
 110 private:
 111         static int                               nCounter;                              /* objects counter */
 112 };
 113
 114 #endif