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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */

    A MIDI and audio sequencer and musical notation editor.

    This program is Copyright 2000-2008
        Guillaume Laurent   <glaurent@telegraph-road.org>,
        Chris Cannam        <cannam@all-day-breakfast.com>,
        Richard Bown        <richard.bown@ferventsoftware.com>

    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
    Bown to claim authorship of this work have been asserted.

    Other copyrights also apply to some parts of this work.  Please
    see the AUTHORS file and individual file headers for details.

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.


#include "document/BasicSelectionCommand.h"
#include <qstring.h>
#include <klocale.h>

namespace Rosegarden

class EventSelection;

/** Add or subtract a constant from all event velocities.
    Use SelectionPropertyCommand if you want to do something more
    creative. */
00045 class ChangeVelocityCommand : public BasicSelectionCommand
    ChangeVelocityCommand(int delta, EventSelection &selection) :
        BasicSelectionCommand(getGlobalName(delta), selection, true),
        m_selection(&selection), m_delta(delta) { }

    static QString getGlobalName(int delta = 0) {
        if (delta > 0) return i18n("&Increase Velocity");
        else return i18n("&Reduce Velocity");

    virtual void modifySegment();

    EventSelection *m_selection;// only used on 1st execute (cf bruteForceRedo)
    int m_delta;



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