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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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54c85db29c
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4860 bfdf4180-ca20-0410-9c96-a3a8aa849046
51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/*
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Copyright 2006-2017 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef QGI_MANAGER_H
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#define QGI_MANAGER_H
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#include <QtCore>
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#include <QGraphicsScene>
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#include <QGraphicsItem>
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/**
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This class provides a QGraphicsItem manager, which can delete QGraphicsItem
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as soon as there is no reference to them anymore.
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*/
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class QGIManager {
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// constructors, destructors
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public:
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QGIManager(QGraphicsScene *);
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virtual ~QGIManager();
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private:
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QGIManager(const QGIManager &);
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// attributes
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private:
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QGraphicsScene *scene;
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QHash<QGraphicsItem *, int> qgi_manager;
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bool destroy_qgi_on_delete;
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// methods
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public:
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void manage(QGraphicsItem *);
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void release(QGraphicsItem *);
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void manage(const QList<QGraphicsItem *> &);
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void release(const QList<QGraphicsItem *> &);
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void setDestroyQGIOnDelete(bool);
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bool manages(QGraphicsItem *) const;
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};
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#endif
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