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123 lines
4.1 KiB
C++
Executable File
123 lines
4.1 KiB
C++
Executable File
// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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// GEOM GEOMGUI : GUI for Geometry component
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// File : MeasureGUI_AnnotationInteractor.h
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// Author : Anton POLETAEV, Open CASCADE S.A.S.
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//
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#ifndef MEASUREGUI_ANNOTATIONINTERACTOR_H
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#define MEASUREGUI_ANNOTATIONINTERACTOR_H
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#include <GEOM_Annotation.hxx>
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#include <SelectMgr_EntityOwner.hxx>
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#include <SelectMgr_SequenceOfOwner.hxx>
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#include <QObject>
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#include <QPoint>
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class GeometryGUI;
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class OCCViewer_Viewer;
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class OCCViewer_ViewManager;
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class OCCViewer_ViewPort3d;
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class SUIT_ViewWindow;
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/*!
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* \class MeasureGUI_AnnotationInteractor
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* \brief Class implementing logical layer for interactive dragging of annotation
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* labels. It includes two components: listener for GUI events occurring
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* inside of OCCT 3D viewer and processor for hooked events to perform
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* interactive modification of the selected annotation within current
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* AIS context.
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*/
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class MeasureGUI_AnnotationInteractor : public QObject
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{
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Q_OBJECT
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public:
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//! Constructor.
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//! Connects to existing viewer/view windows to process events.
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//! \param theGUI [in] the geometry module's GUI interface.
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//! \param theOwner [in] the owner of the instance.
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MeasureGUI_AnnotationInteractor( GeometryGUI* theGUI, QObject* theOwner );
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//! Destructor.
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virtual ~MeasureGUI_AnnotationInteractor();
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public:
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//! Enables event processing and interaction handlers.
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void Enable();
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//! Disables event processing and interaction handlers.
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void Disable();
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//! Set entry of allowed annotation presentations.
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void SetEditEntry( const QString& theEntry ) { myEditEntry = theEntry; }
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protected:
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//! Connect interactor's event handler to the view window given.
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void ConnectView( SUIT_ViewWindow* theWindow );
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//! Disconnect interactor's event handler from the view window given.
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void DisconnectView( SUIT_ViewWindow* theWindow );
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signals:
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//! Emitted when interactor begins modification of the interactive object.
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void SignalInteractionStarted( Handle_GEOM_Annotation theIO );
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//! Emitted when interactor finished modification of the interactive object.
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void SignalInteractionFinished( Handle_GEOM_Annotation theIO );
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protected slots:
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//! Handler for signal coming from GUI layer.
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void OnViewCreated( SUIT_ViewWindow* );
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//! Handler for signal coming from GUI layer.
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void OnViewRemoved( SUIT_ViewWindow* );
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protected:
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//! Hooks and process events from OCCT viewer prior to their coming into the base viewer class.
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//! It handles the events coming to viewport and identifies whether the events can
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//! invoke an interaction operation or not. If yes, the operation is performed within the
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//! interactor class and events are "accepted". Otherwise, the events are passed to
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//! viewer's subroutines.
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virtual bool eventFilter( QObject*, QEvent* );
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private:
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GeometryGUI* myGeomGUI;
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bool myIsEnabled;
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OCCViewer_ViewManager* myVM;
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OCCViewer_Viewer* myViewer;
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OCCViewer_ViewPort3d* myActiveViewPort;
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Handle(GEOM_Annotation) myActiveIO;
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SelectMgr_SequenceOfOwner mySelection;
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QPoint myStartPoint;
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QString myEditEntry;
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};
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#endif
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