135 lines
5.0 KiB
C++
135 lines
5.0 KiB
C++
/***************************************************************************
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* Copyright (c) 2017 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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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 Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 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 *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef GUI_VIEWPROVIDER_DRAGGER_H
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#define GUI_VIEWPROVIDER_DRAGGER_H
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#include "ViewProviderDocumentObject.h"
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#include <Base/Placement.h>
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#include <App/PropertyGeo.h>
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class SoDragger;
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class SoTransform;
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namespace Gui {
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namespace TaskView {
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class TaskDialog;
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}
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class SoTransformDragger;
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class View3DInventorViewer;
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/**
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* The base class for all view providers modifying the placement
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* of a geometric feature.
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* @author Werner Mayer
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*/
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class GuiExport ViewProviderDragger : public ViewProviderDocumentObject
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{
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PROPERTY_HEADER_WITH_OVERRIDE(Gui::ViewProviderDragger);
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public:
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/// constructor.
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ViewProviderDragger();
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/// destructor.
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~ViewProviderDragger() override;
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/// Origin used when object is transformed. It temporarily changes the origin of object.
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/// Dragger is normally placed at the transform origin, unless explicitly overridden via
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/// ViewProviderDragger#setDraggerPlacement() method.
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App::PropertyPlacement TransformOrigin;
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void attach(App::DocumentObject* pcObject) override;
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/// Convenience method to obtain the transform origin
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Base::Placement getTransformOrigin() const { return TransformOrigin.getValue(); }
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/// Convenience method to set the transform origin
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void setTransformOrigin(const Base::Placement& placement);
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/// Resets transform origin to the object origin
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void resetTransformOrigin();
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public:
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/** @name Edit methods */
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//@{
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bool doubleClicked() override;
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void setupContextMenu(QMenu*, QObject*, const char*) override;
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void updateData(const App::Property*) override;
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ViewProvider *startEditing(int ModNum=0) override;
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/*! synchronize From FC placement to Coin placement*/
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static void updateTransform(const Base::Placement &from, SoTransform *to);
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/// updates placement of object based on dragger position
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void updatePlacementFromDragger();
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/// updates transform of object based on dragger position, can be used to preview movement
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void updateTransformFromDragger();
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/// Gets object placement relative to its coordinate system
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Base::Placement getObjectPlacement() const;
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/// Gets current dragger placement, including current dragger movement
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Base::Placement getDraggerPlacement() const;
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/// Gets original dragger placement, without current dragger movement
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Base::Placement getOriginalDraggerPlacement() const;
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/// Sets placement of dragger relative to objects origin
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void setDraggerPlacement(const Base::Placement& placement);
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protected:
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bool setEdit(int ModNum) override;
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void unsetEdit(int ModNum) override;
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void setEditViewer(View3DInventorViewer*, int ModNum) override;
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void unsetEditViewer(View3DInventorViewer*) override;
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//@}
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void onChanged(const App::Property* prop) override;
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bool forwardToLink();
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/**
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* Returns a newly create dialog for the part to be placed in the task view
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* Must be reimplemented in subclasses.
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*/
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virtual TaskView::TaskDialog* getTransformDialog();
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CoinPtr<SoTransformDragger> transformDragger;
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ViewProvider *forwardedViewProvider = nullptr;
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CoinPtr<SoSwitch> pcPlacement;
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private:
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static void dragStartCallback(void *data, SoDragger *d);
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static void dragFinishCallback(void *data, SoDragger *d);
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static void dragMotionCallback(void *data, SoDragger *d);
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void updateDraggerPosition();
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Base::Placement draggerPlacement { };
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};
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} // namespace Gui
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#endif // GUI_VIEWPROVIDER_DRAGGER_H
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