--- /dev/null
+// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, 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.
+//
+// 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 <SelectMgr_EntityOwner.hxx>
+#include <NCollection_Sequence.hxx>
+#include <AIS_ListOfInteractive.hxx>
+#include <AIS_InteractiveObject.hxx>
+#include <AIS_Dimension.hxx>
+#include <gp_Pln.hxx>
+
+class OCCViewer_ViewManager;
+class OCCViewer_Viewer;
+class SUIT_ViewWindow;
+class Handle(V3d_View);
+
+//=================================================================================
+// 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:
+ /*!
+ * \brief Identify interactive operation by picked entity and pressed buttons with modifiers
+ *
+ * \param theEntity [in] the picked entity.
+ * \param theButtons [in] the mouse buttons.
+ * \param theKeys [in] the keyboard modifiers.
+ */
+ Operation GetOperation( const Handle(SelectMgr_EntityOwner)& theEntity,
+ const Qt::MouseButtons theButtons,
+ const Qt::KeyboardModifiers theKeys );
+
+ /*!
+ * \brief Prepare for interactive operation.
+ *
+ * \param theOp [in] the operation.
+ * \param theView [in] the interacted view.
+ * \param theX [in] the mouse position x.
+ * \param theY [in] the mouse position y.
+ * \return TRUE if operation can be started.
+ */
+ bool StartOperation( const Operation theOperation,
+ const Handle(V3d_View)& theView,
+ const int theX,
+ const int theY );
+
+ /*!
+ * \brief Perform "Operation_MoveFlyoutFree".
+ * Modify flyout of interactive dimension so as the flyout follows
+ * the mouse by its length and orientation.
+ *
+ * \param theView [in] the interacted view.
+ * \param theX [in] the mouse position x.
+ * \param theY [in] the mouse position y.
+ */
+ void MoveFlyoutFree( const Handle(V3d_View)& theView, const int theX, const int theY );
+
+ /*!
+ * \brief Perform "Operation_MoveFlyoutInPlane".
+ * Modify flyout of interactive dimension so as the flyout is extended
+ * to the mouse point location in the presentation plane.
+ *
+ * \param theView [in] the interacted view.
+ * \param theX [in] the mouse position x.
+ * \param theY [in] the mouse position y.
+ */
+ void MoveFlyoutInPlane( const Handle(V3d_View)& theView, const int theX, const int theY );
+
+ /*!
+ * \brief Perform "Operation_MoveText".
+ * Modify text of interactive dimension so as the text is moved to its fixed positions.
+ *
+ * \param theView [in] the interacted view.
+ * \param theX [in] the mouse position x.
+ * \param theY [in] the mouse position y.
+ */
+ 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:
+ /*!
+ * \brief Process events from OCC viewer prior to their coming into the base viewer class.
+ *
+ * It handles the events coming to viewport and identifies whether the events correspond to
+ * interactive operation on dimension. If yes, the operation is performed within the
+ * interactor class and events are "accepted". Otherwise, the events are passed to
+ * viewer subroutines.
+ *
+ * The method manages internal workflow related to starting and stopping interactive
+ * operations to modify the presentations which were passed for this interactor class.
+ *
+ */
+ 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;
+ OCCViewer_ViewManager* myVM;
+ OCCViewer_Viewer* myViewer;
+ Operation myOperation;
+ bool myOperationStarted;
+ gp_Pln myFreeMovePlane;
+ Handle(AIS_Dimension) myInteractedIO;
+ SeqOfOwners mySelection;
+};
+
+#endif
