57 lines
2.3 KiB
C++
57 lines
2.3 KiB
C++
// SPDX-License-Identifier: LGPL-2.1-or-later
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/***************************************************************************
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* Copyright (c) 2024 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of FreeCAD. *
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* *
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* FreeCAD is free software: you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 2.1 of the *
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* License, or (at your option) any later version. *
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* *
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* FreeCAD is distributed in the hope that it will be useful, but *
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* 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 FreeCAD. If not, see *
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* <https://www.gnu.org/licenses/>. *
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* *
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**************************************************************************/
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#ifndef GUI_SOFCCOLORBARNOTIFIER_H
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#define GUI_SOFCCOLORBARNOTIFIER_H
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#include <Base/Parameter.h>
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#include <set>
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namespace Gui {
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class SoFCColorBarBase;
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class GuiExport SoFCColorBarNotifier: public ParameterGrp::ObserverType // NOLINT
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{
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public:
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static SoFCColorBarNotifier& instance();
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void attach(SoFCColorBarBase* bar);
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void detach(SoFCColorBarBase* bar);
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void OnChange(ParameterGrp::SubjectType& caller, ParameterGrp::MessageType reason) override;
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private:
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SoFCColorBarNotifier();
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~SoFCColorBarNotifier() override = default;
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FC_DISABLE_COPY_MOVE(SoFCColorBarNotifier)
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private:
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std::set<SoFCColorBarBase*> bars;
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ParameterGrp::handle group;
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};
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} // namespace Gui
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#endif // GUI_SOFCCOLORBARNOTIFIER_H
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