85 lines
3.3 KiB
C++
85 lines
3.3 KiB
C++
/***************************************************************************
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* Copyright (c) 2022 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_SELECTIONOBSERVERPYTHON_H
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#define GUI_SELECTIONOBSERVERPYTHON_H
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#include <CXX/Objects.hxx>
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#include "Selection.h"
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namespace Gui
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{
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/**
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* The SelectionObserverPython class implements a mechanism to register
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* a Python class instance implementing the required interface in order
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* to be notified on selection changes.
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*
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* @author Werner Mayer
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*/
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class GuiExport SelectionObserverPython : public SelectionObserver
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{
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public:
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/// Constructor
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explicit SelectionObserverPython(const Py::Object& obj, ResolveMode resolve = ResolveMode::OldStyleElement);
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~SelectionObserverPython() override;
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static void addObserver(const Py::Object& obj, ResolveMode resolve = ResolveMode::OldStyleElement);
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static void removeObserver(const Py::Object& obj);
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private:
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void onSelectionChanged(const SelectionChanges& msg) override;
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void addSelection(const SelectionChanges&);
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void removeSelection(const SelectionChanges&);
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void setSelection(const SelectionChanges&);
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void clearSelection(const SelectionChanges&);
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void setPreselection(const SelectionChanges&);
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void removePreselection(const SelectionChanges&);
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void pickedListChanged();
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private:
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Py::Object inst;
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#define FC_PY_SEL_OBSERVER \
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FC_PY_ELEMENT(onSelectionChanged) \
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FC_PY_ELEMENT(addSelection) \
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FC_PY_ELEMENT(removeSelection) \
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FC_PY_ELEMENT(setSelection) \
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FC_PY_ELEMENT(clearSelection) \
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FC_PY_ELEMENT(setPreselection) \
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FC_PY_ELEMENT(removePreselection) \
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FC_PY_ELEMENT(pickedListChanged)
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#undef FC_PY_ELEMENT
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#define FC_PY_ELEMENT(_name) Py::Object py_##_name;
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FC_PY_SEL_OBSERVER
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static std::vector<SelectionObserverPython*> _instances;
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};
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} //namespace Gui
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#endif // GUI_SELECTIONOBSERVERPYTHON_H
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