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58 lines
1.6 KiB
58 lines
1.6 KiB
/*
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* copyright (c) 2005 Boudewijn Rempt
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*
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* this program 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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*
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* this program 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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*
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* you should have received a copy of the gnu general public license
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* along with this program; if not, write to the free software
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* foundation, inc., 675 mass ave, cambridge, ma 02139, usa.
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*/
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#ifndef KIS_THREAD_
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#define KIS_THREAD_
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#include <qthread.h>
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#include <ksharedptr.h>
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/**
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* A KisThread is a QThread that can be set in the canceled state.
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* Lengthy operations initiated in run() should regularly read the
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* canceled state and stop when it's set to true
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*/
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class KisThread : public QThread {
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public:
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/**
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* Create a new KisThread with the canceled state set to false
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*/
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KisThread() : QThread(), m_canceled(false) {};
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/**
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* Request the thread to cancel at the first opportunity. Note
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* that the owner of the thread is responsible for restoring the
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* previous state of paint devices etc, the thread itself just stops
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* as soon as possible.
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*/
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virtual void cancel() { m_canceled = true; }
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virtual bool isCanceled() { return m_canceled; }
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void runDirectly() { run(); }
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protected:
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bool m_canceled;
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};
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#endif
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