openorcloserangecommand.h

LINUX下的混音软件

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

/*
    Rosegarden
    A MIDI and audio sequencer and musical notation editor.

    This program is Copyright 2000-2007
        Guillaume Laurent   <[e-mail]>,
        Chris Cannam        <[e-mail]>,
        Richard Bown        <[e-mail]>

    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.
*/

#ifndef _RG_OPENORCLOSERANGECOMMAND_H_
#define _RG_OPENORCLOSERANGECOMMAND_H_

#include "base/Selection.h"
#include <kcommand.h>
#include <vector>
#include "base/Event.h"




namespace Rosegarden
{

class Segment;
class Composition;


/**
 * Pull all segments, time sigs, tempos etc starting after the end of
 * a given range back by the duration of that range, so as to fill in
 * the (presumably empty) range itself.
 *
 * This does not actually split any segments etc, it just moves them.
 */
class OpenOrCloseRangeCommand : public KNamedCommand
{
public:
    OpenOrCloseRangeCommand(Composition *composition,
                            timeT rangeBegin,
                            timeT rangeEnd,
                            bool open);
    virtual ~OpenOrCloseRangeCommand();

    virtual void execute();
    virtual void unexecute();

private:
    Composition *m_composition;
    timeT m_beginTime;
    timeT m_endTime;

    bool m_prepared;
    bool m_opening;

    std::vector<Segment *> m_moving;

    TimeSignatureSelection m_timesigsPre;
    TimeSignatureSelection m_timesigsPost;

    TempoSelection m_temposPre;
    TempoSelection m_temposPost;
};



}

#endif