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79 lines
1.9 KiB
79 lines
1.9 KiB
/*
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Rosegarden
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A MIDI and audio sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <richard.bown@ferventsoftware.com>
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The moral rights of Guillaume Laurent, Chris Cannam, and Richard
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Bown to claim authorship of this work have been asserted.
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Other copyrights also apply to some parts of this work. Please
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see the AUTHORS file and individual file headers for details.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#ifndef _RG_PROGRESSREPORTER_H_
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#define _RG_PROGRESSREPORTER_H_
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#include <tqobject.h>
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namespace Rosegarden
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{
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class ProgressReporter : public TQObject
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{
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TQ_OBJECT
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public:
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ProgressReporter(TQObject* parent, const char* name = 0);
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// exception class for cancellations
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class Cancelled { };
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protected:
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/**
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* Call this at appropriate times if you know TQt isn't in the stack
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*/
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void throwIfCancelled();
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/*
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We have to use these accessors rather than throwing directly
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from slotCancel() because TQt is generally compiled without
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exception support, so we can't throw from a slot.
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*/
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bool isOperationCancelled() const { return m_isCancelled; }
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// void resetOperationCancelledState() { m_isCancelled = false; }
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protected slots:
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virtual void slotCancel();
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signals:
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/// Report progress
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void setProgress(int);
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void incrementProgress(int);
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void setOperationName(TQString);
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protected:
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//--------------- Data members ---------------------------------
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bool m_isCancelled;
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};
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}
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#endif
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