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66 lines
1.8 KiB
66 lines
1.8 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_CHANGEVELOCITYCOMMAND_H_
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#define _RG_CHANGEVELOCITYCOMMAND_H_
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#include "document/BasicSelectionCommand.h"
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#include <tqstring.h>
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#include <tdelocale.h>
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namespace Rosegarden
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{
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class EventSelection;
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/** Add or subtract a constant from all event velocities.
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Use SelectionPropertyCommand if you want to do something more
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creative. */
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class ChangeVelocityCommand : public BasicSelectionCommand
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{
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public:
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ChangeVelocityCommand(int delta, EventSelection &selection) :
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BasicSelectionCommand(getGlobalName(delta), selection, true),
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m_selection(&selection), m_delta(delta) { }
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static TQString getGlobalName(int delta = 0) {
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if (delta > 0) return i18n("&Increase Velocity");
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else return i18n("&Reduce Velocity");
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}
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protected:
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virtual void modifySegment();
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private:
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EventSelection *m_selection;// only used on 1st execute (cf bruteForceRedo)
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int m_delta;
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};
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}
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#endif
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