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/* -*- 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 2000-2008
        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.
*/

#ifndef _RG_PLUGINCONTROL_H_
#define _RG_PLUGINCONTROL_H_

#include <tqobject.h>
#include <vector>


class TQWidget;
class TQHBox;
class TQGridLayout;


namespace Rosegarden
{

class Rotary;
class PluginPort;
class AudioPluginManager;
class Studio;

class PluginControl : public TQObject
{
    Q_OBJECT
  TQ_OBJECT
public:

    typedef enum
    {
        Rotary,
        Slider,
        NumericSlider
    } ControlType;

    PluginControl(TQWidget *parent,
                  TQGridLayout *tqlayout,
                  ControlType type,
                  PluginPort *port,
                  AudioPluginManager *pluginManager,
                  int index,
                  float initialValue,
                  bool showBounds,
                  bool hidden);
 
    void setValue(float value, bool emitSignals = true);
    float getValue() const;

    int getIndex() const { return m_index; }

    void show();
    void hide();

public slots:
    void slotValueChanged(float value);

signals:
    void valueChanged(float value);

protected:

    //--------------- Data members ---------------------------------

    TQGridLayout         *m_tqlayout;

    ControlType          m_type;
    PluginPort          *m_port;

    ::Rosegarden::Rotary              *m_dial; // we have to specify the namespace here otherwise gcc 4.1 thinks it's the enum value above
    AudioPluginManager  *m_pluginManager;

    int                  m_index;

};

typedef std::vector<PluginControl*>::iterator ControlIterator;
typedef std::vector<TQHBox*>::iterator ControlLineIterator;


}

#endif