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MatrixMover.h
/* -*- 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.
    Copyright 2000-2011 the Rosegarden development team.

    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_MATRIXMOVER_H_
#define _RG_MATRIXMOVER_H_

#include "MatrixTool.h"
#include <QString>
#include "base/Event.h"


namespace Rosegarden
{

class ViewElement;
class MatrixViewSegment;
class MatrixElement;
class Event;

00034 class MatrixMover : public MatrixTool
{
    Q_OBJECT

    friend class MatrixToolBox;

public:
    virtual void handleLeftButtonPress(const MatrixMouseEvent *);
    virtual FollowMode handleMouseMove(const MatrixMouseEvent *);
    virtual void handleMouseRelease(const MatrixMouseEvent *);

    /**
     * Respond to an event being deleted -- it may be the one the tool
     * is remembering as the current event.
     */
    virtual void handleEventRemoved(Event *event);

    virtual void ready();
    virtual void stow();

    static const QString ToolName;

signals:
    void hoveredOverNoteChanged(int evPitch, bool haveEvent, timeT evTime);

protected slots:
//    void slotMatrixScrolled(int x, int y); //!!! do we need this? probably not

protected:
    MatrixMover(MatrixWidget *);

    void setBasicContextHelp(bool ctrlPressed = false);

    MatrixElement *m_currentElement;
    MatrixViewSegment *m_currentViewSegment;
    timeT m_clickSnappedLeftTime;

    std::vector<MatrixElement *> m_duplicateElements;
    bool m_quickCopy;

    int m_lastPlayedPitch;
};

}

#endif

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