MeasureGUI_DimensionInteractor.h

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// Copyright (C) 2007-2026  CEA, EDF, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
 
// GEOM GEOMGUI : GUI for Geometry component
// File   : MeasureGUI_DimensionEditor.h
// Author : Anton POLETAEV, Open CASCADE S.A.S.
//
#ifndef MEASUREGUI_DIMENSIONINTERACTOR_H
#define MEASUREGUI_DIMENSIONINTERACTOR_H
 
#include <GeometryGUI.h>
#include <QObject>
#include <QPointer>
 
#include <SelectMgr_EntityOwner.hxx>
#include <NCollection_Sequence.hxx>
#include <AIS_ListOfInteractive.hxx>
#include <AIS_InteractiveObject.hxx>
#include <AIS_Dimension.hxx>
#include <V3d_View.hxx>
#include <gp_Pln.hxx>
 
class OCCViewer_ViewManager;
class OCCViewer_Viewer;
class SUIT_ViewWindow;
 
//=================================================================================
// class    : MeasureGUI_DimensionInteractor
// purpose  : Interactive editor of dimension presentations
//=================================================================================
class MeasureGUI_DimensionInteractor : public QObject
{
  Q_OBJECT
 
public:
  enum Operation
  {
    Operation_MoveFlyoutFree,
    Operation_MoveFlyoutInPlane,
    Operation_MoveText,
    Operation_None
  };
 
public:
  MeasureGUI_DimensionInteractor( GeometryGUI*, QObject* );
  ~MeasureGUI_DimensionInteractor();
 
public:
  void                   Enable();
  void                   Disable();
 
protected:
  Operation              GetOperation( const Handle(SelectMgr_EntityOwner)& theEntity,
                                       const Qt::MouseButtons theButtons,
                                       const Qt::KeyboardModifiers theKeys );
 
  bool                  StartOperation( const Operation theOperation,
                                        const Handle(V3d_View)& theView,
                                        const int theX,
                                        const int theY );
 
  void                   MoveFlyoutFree( const Handle(V3d_View)& theView, const int theX, const int theY );
 
  void                   MoveFlyoutInPlane( const Handle(V3d_View)& theView, const int theX, const int theY );
 
  void                   MoveText( const Handle(V3d_View)& theView, const int theX, const int theY );
 
signals:
  void                   InteractionStarted( Handle_AIS_InteractiveObject theIO );
  void                   InteractionFinished( Handle_AIS_InteractiveObject theIO );
 
protected:
  void                   ConnectView( SUIT_ViewWindow* );
  void                   DisconnectView( SUIT_ViewWindow* );
  gp_Lin                 Projection( const Handle(V3d_View)&, const int, const int );
  gp_Pnt                 ProjectPlane( const Handle(V3d_View)&, 
                                       const int,
                                       const int,
                                       const gp_Pln&,
                                       bool& );
  Standard_Real          SensitivityTolerance( const Handle(V3d_View)& );
 
protected:
  virtual bool           eventFilter( QObject*, QEvent* );
 
protected slots:
  void                   OnViewCreated( SUIT_ViewWindow* );
  void                   OnViewRemoved( SUIT_ViewWindow* );
 
private:
  typedef NCollection_Sequence<Handle(SelectMgr_EntityOwner)> SeqOfOwners;
 
private:
  GeometryGUI*            myGeomGUI;
  bool                    myIsEnabled;
  QPointer<OCCViewer_ViewManager> myVM;
  OCCViewer_Viewer*       myViewer;
  Operation               myOperation;
  bool                    myOperationStarted;
  gp_Pln                  myFreeMovePlane;
  Handle(AIS_Dimension)   myInteractedIO;
  SeqOfOwners             mySelection;
};
 
#endif