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/ or email : webmaster.salome@opencascade.com
  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 #ifdef WIN32
  39 #pragma warning ( disable:4251 )
  40 #endif
  41
  42 /*!
  43   \class OCCViewer_ViewPort
  44   Visualisation canvas of SUIT-based application
  45 */
  46 class OCCVIEWER_EXPORT OCCViewer_ViewPort : public QWidget
  47 {
  48         Q_OBJECT
  49
  50   friend class OCCViewer_ViewSketcher;
  51
  52 public:
  53   OCCViewer_ViewPort( QWidget* parent );
  54         virtual ~OCCViewer_ViewPort();
  55
  56 public:
  57         void                             setSketchingEnabled( bool );
  58   bool                           isSketchingEnabled() const;
  59   void                           setTransformEnabled( bool );
  60   bool                           isTransformEnabled() const;
  61
  62   virtual QColor                         backgroundColor() const;
  63   virtual void                     setBackgroundColor( const QColor& );
  64
  65   void                           redrawPainters();
  66
  67   virtual void                     onUpdate();
  68
  69 protected:
  70 //      enum ViewType { Type2D, Type3D };
  71         void                                     selectVisualId();
  72
  73 // EVENTS
  74         virtual void                   paintEvent( QPaintEvent *);
  75         virtual void                     mouseMoveEvent( QMouseEvent *);
  76         virtual void                     mouseReleaseEvent( QMouseEvent *);
  77         virtual void                     mousePressEvent( QMouseEvent *);
  78         virtual void                     mouseDoubleClickEvent( QMouseEvent *);
  79   virtual void                     keyPressEvent( QKeyEvent *);
  80   virtual void                     keyReleaseEvent( QKeyEvent *);
  81
  82 // TO BE REDEFINED
  83   virtual void                   reset() = 0;
  84   virtual void                   pan( int, int ) = 0;
  85         virtual void                     setCenter( int, int ) = 0;
  86         virtual void                     fitRect( const QRect& ) = 0;
  87   virtual void                   zoom( int, int, int, int ) = 0;
  88   virtual void                   fitAll( bool keepScale = false, bool withZ = true, bool upd = true ) = 0;
  89
  90 // POPUP
  91 //  void                             onCreatePopup( QPopupMenu* );
  92 //      void                             onDestroyPopup( QPopupMenu* );
  93
  94 protected slots:
  95   virtual void                   onChangeBgColor();
  96
  97 signals:
  98   void                                   vpKeyEvent( QKeyEvent* );
  99   void                                   vpMouseEvent( QMouseEvent* );
 100         void                                 vpDrawExternal( QPainter* );
 101   void                           vpChangeBGColor( QColor );
 102
 103 private:
 104         void                             initialize();
 105         void                             cleanup();
 106
 107 protected:
 108   Handle(Aspect_Window)         myWindow;
 109   bool                                      myEnableSketching;
 110   bool                                      myEnableTransform;
 111   bool                                      myPaintersRedrawing;        /* set to draw externally */
 112   QPtrList<QtxAction>           myPopupActions;
 113
 114 private:
 115         static int                               nCounter;                              /* objects counter */
 116 };
 117
 118 #ifdef WIN32
 119 #pragma warning ( default:4251 )
 120 #endif
 121
 122 #endif