FreeCAD/src/Mod/PartDesign/Gui/ViewProviderDatum.h

138 lines
5.4 KiB
C++

/***************************************************************************
* Copyright (c) 2013 Jan Rheinlaender <jrheinlaender@users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef PARTGUI_ViewProviderDatum_H
#define PARTGUI_ViewProviderDatum_H
#include "Gui/ViewProviderGeometryObject.h"
#include <Base/BoundBox.h>
class SoPickStyle;
class SbBox3f;
class SoGetBoundingBoxAction;
namespace PartDesignGui {
class PartDesignGuiExport ViewProviderDatum : public Gui::ViewProviderGeometryObject
{
PROPERTY_HEADER(PartDesignGui::ViewProviderDatum);
public:
/// constructor
ViewProviderDatum();
/// destructor
virtual ~ViewProviderDatum();
/// grouping handling
void setupContextMenu(QMenu*, QObject*, const char*);
virtual void attach(App::DocumentObject *);
virtual bool onDelete(const std::vector<std::string> &);
virtual bool doubleClicked(void);
std::vector<std::string> getDisplayModes(void) const;
void setDisplayMode(const char* ModeName);
/// indicates if the ViewProvider use the new Selection model
virtual bool useNewSelectionModel(void) const { return true; }
/// indicates if the ViewProvider can be selected
virtual bool isSelectable(void) const ;
/// return a hit element to the selection path or 0
virtual std::string getElement(const SoDetail *) const;
virtual SoDetail* getDetail(const char*) const;
/**
* Enable/Disable the selectability of the datum
* This differs from the normal ViewProvider selectability in that, that with this enabled one
* can pick through the datum and select stuff behind it.
*/
bool isPickable();
void setPickable(bool val);
/**
* Update the visual size to match the given extents
* @note should be reimplemented in the offspings
* @note use FreeCAD-specific bbox here to simplify the math in derived classes
*/
virtual void setExtents (Base::BoundBox3d /*bbox*/)
{ }
/// Update the visual sizes. This overloaded version of the previous function to allow pass coin type
void setExtents (const SbBox3f &bbox);
/// update size to match the guessed bounding box
void updateExtents ();
/// The datum type (Plane, Line or Point)
// TODO remove this attribute (2015-09-08, Fat-Zer)
QString datumType;
/**
* Computes appropriate bounding box for the given list of objects to be passed to setExtents ()
* @param bboxAction a coin action for traverse the given objects views.
* @param objs the list of objects to traverse, due to we traverse the scene graph, the geo children
* will likely be traveresed too.
*/
static SbBox3f getRelevantBoundBox (
SoGetBoundingBoxAction &bboxAction,
const std::vector <App::DocumentObject *> &objs);
/// Default size used to produce the default bbox
static const double defaultSize;
// Returned default bounding box if relevant is can't be used for some reason
static SbBox3f defaultBoundBox ();
// Returns a default marging factor (part of size )
static double marginFactor () { return 0.1; };
protected:
virtual bool setEdit(int ModNum);
virtual void unsetEdit(int ModNum);
/**
* Guesses the context this datum belongs to and returns appropriate bounding box of all
* visible content of the feature
*
* Currently known contexts are:
* - PartDesign::Body
* - App::DocumentObjectGroup (App::Part as well as subclass)
* - Whole document
*/
SbBox3f getRelevantBoundBox() const;
// Get the separator to fill with datum content
SoSeparator *getShapeRoot () { return pShapeSep; }
private:
SoSeparator* pShapeSep;
SoPickStyle* pPickStyle;
std::string oldWb;
App::DocumentObject* oldTip;
};
} // namespace PartDesignGui
#endif // PARTGUI_ViewProviderDatum_H