src/OCCViewer/OCCViewer_ViewPort.h

   1 // Copyright (C) 2007-2023  CEA, EDF, 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, or (at your option) any later version.
  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
  23 #ifndef OCCVIEWER_VIEWPORT_H
  24 #define OCCVIEWER_VIEWPORT_H
  25
  26 #include "OCCViewer.h"
  27
  28 #include "QtxAction.h"
  29
  30 #include <QList>
  31 #include <QWidget>
  32
  33 #include <Aspect_Window.hxx>
  34
  35 class QColor;
  36 class QRect;
  37 class QPainter;
  38 class OCCViewer_ViewSketcher;
  39
  40 #ifdef WIN32
  41 #pragma warning ( disable:4251 )
  42 #endif
  43
  44 /*!
  45   \class OCCViewer_ViewPort
  46   Visualisation canvas of SUIT-based application
  47 */
  48 class OCCVIEWER_EXPORT OCCViewer_ViewPort : public QWidget
  49 {
  50   Q_OBJECT
  51
  52   friend class OCCViewer_ViewSketcher;
  53
  54 public:
  55   OCCViewer_ViewPort( QWidget* parent );
  56   virtual ~OCCViewer_ViewPort();
  57
  58 public:
  59   void                           setSketchingEnabled( bool );
  60   bool                           isSketchingEnabled() const;
  61   void                           setTransformEnabled( bool );
  62   bool                           isTransformEnabled() const;
  63
  64   virtual QColor                 backgroundColor() const;
  65   virtual void                   setBackgroundColor( const QColor& );
  66
  67   void                           redrawPainters();
  68
  69   virtual void                   onUpdate();
  70
  71   virtual QPaintEngine*          paintEngine() const;
  72
  73 protected:
  74 //      enum ViewType { Type2D, Type3D };
  75   void                           selectVisualId();
  76
  77 // EVENTS
  78   virtual void                   paintEvent( QPaintEvent *);
  79   virtual void                   mouseMoveEvent( QMouseEvent *);
  80   virtual void                   mouseReleaseEvent( QMouseEvent *);
  81   virtual void                   mousePressEvent( QMouseEvent *);
  82   virtual void                   mouseDoubleClickEvent( QMouseEvent *);
  83   virtual void                   keyPressEvent( QKeyEvent *);
  84   virtual void                   keyReleaseEvent( QKeyEvent *);
  85
  86 // TO BE REDEFINED
  87   virtual void                   reset() = 0;
  88   virtual void                   pan( int, int ) = 0;
  89   virtual void                   setCenter( int, int ) = 0;
  90   virtual void                   fitRect( const QRect& ) = 0;
  91   virtual void                   zoom( int, int, int, int ) = 0;
  92   virtual void                   fitAll( bool keepScale = false, bool withZ = true, bool upd = true ) = 0;
  93
  94 public slots:
  95   virtual bool                   synchronize( OCCViewer_ViewPort* );
  96
  97 protected slots:
  98   virtual void                   onChangeBackground();
  99
 100 signals:
 101   void                           vpKeyEvent( QKeyEvent* );
 102   void                           vpMouseEvent( QMouseEvent* );
 103   void                           vpDrawExternal( QPainter* );
 104   void                           vpChangeBGColor( QColor );
 105   void                           vpTransformed( OCCViewer_ViewPort* );
 106
 107 private:
 108   void                           initialize();
 109   void                           cleanup();
 110
 111 protected:
 112   Handle(Aspect_Window)          myWindow;
 113   bool                           myEnableSketching;
 114   bool                           myEnableTransform;
 115   bool                           myPaintersRedrawing; /* set to draw externally */
 116   QList<QtxAction*>              myPopupActions;
 117
 118 private:
 119   static int                     nCounter; /* objects counter */
 120 };
 121
 122 #ifdef WIN32
 123 #pragma warning ( default:4251 )
 124 #endif
 125
 126 #endif