src/OCCViewer/OCCViewer_ViewPort.h

   1 //  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
   2 //
   3 //  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 //  This library is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU Lesser General Public
   8 //  License as published by the Free Software Foundation; either
   9 //  version 2.1 of the License.
  10 //
  11 //  This library is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 //  Lesser General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU Lesser General Public
  17 //  License along with this library; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 //  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 //
  22 #ifndef OCCVIEWER_VIEWPORT_H
  23 #define OCCVIEWER_VIEWPORT_H
  24
  25 #include "OCCViewer.h"
  26
  27 #include "QtxAction.h"
  28
  29 #include <QList>
  30 #include <QWidget>
  31
  32 #include <Aspect_Window.hxx>
  33
  34 class QColor;
  35 class QRect;
  36 class QPainter;
  37 class OCCViewer_ViewSketcher;
  38
  39 #ifdef WIN32
  40 #pragma warning ( disable:4251 )
  41 #endif
  42
  43 /*!
  44   \class OCCViewer_ViewPort
  45   Visualisation canvas of SUIT-based application
  46 */
  47 class OCCVIEWER_EXPORT OCCViewer_ViewPort : public QWidget
  48 {
  49   Q_OBJECT
  50
  51   friend class OCCViewer_ViewSketcher;
  52
  53 public:
  54   OCCViewer_ViewPort( QWidget* parent );
  55   virtual ~OCCViewer_ViewPort();
  56
  57 public:
  58   void                           setSketchingEnabled( bool );
  59   bool                           isSketchingEnabled() const;
  60   void                           setTransformEnabled( bool );
  61   bool                           isTransformEnabled() const;
  62
  63   virtual QColor                 backgroundColor() const;
  64   virtual void                   setBackgroundColor( const QColor& );
  65
  66   void                           redrawPainters();
  67
  68   virtual void                   onUpdate();
  69
  70 protected:
  71 //      enum ViewType { Type2D, Type3D };
  72   void                           selectVisualId();
  73
  74 // EVENTS
  75   virtual void                   paintEvent( QPaintEvent *);
  76   virtual void                   mouseMoveEvent( QMouseEvent *);
  77   virtual void                   mouseReleaseEvent( QMouseEvent *);
  78   virtual void                   mousePressEvent( QMouseEvent *);
  79   virtual void                   mouseDoubleClickEvent( QMouseEvent *);
  80   virtual void                   keyPressEvent( QKeyEvent *);
  81   virtual void                   keyReleaseEvent( QKeyEvent *);
  82
  83 // TO BE REDEFINED
  84   virtual void                   reset() = 0;
  85   virtual void                   pan( int, int ) = 0;
  86   virtual void                   setCenter( int, int ) = 0;
  87   virtual void                   fitRect( const QRect& ) = 0;
  88   virtual void                   zoom( int, int, int, int ) = 0;
  89   virtual void                   fitAll( bool keepScale = false, bool withZ = true, bool upd = true ) = 0;
  90
  91 // POPUP
  92 //  void                             onCreatePopup( QPopupMenu* );
  93 //  void                             onDestroyPopup( QPopupMenu* );
  94
  95 protected slots:
  96   virtual void                   onChangeBgColor();
  97
  98 signals:
  99   void                           vpKeyEvent( QKeyEvent* );
 100   void                           vpMouseEvent( QMouseEvent* );
 101   void                           vpDrawExternal( QPainter* );
 102   void                           vpChangeBGColor( QColor );
 103
 104 private:
 105   void                           initialize();
 106   void                           cleanup();
 107
 108 protected:
 109   Handle(Aspect_Window)          myWindow;
 110   bool                           myEnableSketching;
 111   bool                           myEnableTransform;
 112   bool                           myPaintersRedrawing; /* set to draw externally */
 113   QList<QtxAction*>              myPopupActions;
 114
 115 private:
 116   static int                     nCounter; /* objects counter */
 117 };
 118
 119 #ifdef WIN32
 120 #pragma warning ( default:4251 )
 121 #endif
 122
 123 #endif