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// -*- c-basic-offset: 4 -*-
    A sequencer and musical notation editor.

    This program is Copyright 2000-2006
        Guillaume Laurent   <glaurent@telegraph-road.org>,
        Chris Cannam        <cannam@all-day-breakfast.com>,
        Richard Bown        <bownie@bownie.com>

    The moral right of the authors to claim authorship of this work
    has been asserted.

    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 <vector>

#include <kdialogbase.h>

#include <qhbox.h>
#include <qdial.h>
#include <qpushbutton.h>
#include <qstringlist.h>

#include "Instrument.h"


// Attempt to dynamically create plugin dialogs for the plugins
// that the sequencer has discovered for us and returned into the
// AudioPluginManager.  Based on plugin port descriptions we 
// attempt to represent a meaningful plugin layout.

class RosegardenRotary;
class RosegardenGUIDoc;
class KComboBox;
class QGroupBox;
class QCheckBox;
class QLabel;
class QGridLayout;
class QAccel;

class AudioPluginOSCGUIManager;

namespace Rosegarden

class PluginPort;
class AudioPluginManager;
class Studio;

class PluginControl : public QObject

    typedef enum
    } ControlType;

    PluginControl(QWidget *parent,
              QGridLayout *layout,
                  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);

    void valueChanged(float value);


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

    QGridLayout         *m_layout;

    ControlType          m_type;
    PluginPort          *m_port;

    RosegardenRotary    *m_dial;
    AudioPluginManager  *m_pluginManager;

    int                  m_index;


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

class AudioPluginDialog : public KDialogBase

    AudioPluginDialog(QWidget *parent,
                      AudioPluginManager *aPM,
                  AudioPluginOSCGUIManager *aGM,
                      PluginContainer *instrument,
                      int index);

    PluginContainer* getPluginContainer() const { return m_pluginContainer; }

    QAccel* getAccelerators() { return m_accelerators; }

    bool isSynth() { return m_index == int(Instrument::SYNTH_PLUGIN_POSITION); }

    void updatePlugin(int number);
    void updatePluginPortControl(int port);
    void updatePluginProgramControl();
    void updatePluginProgramList();
    void guiExited() { m_guiShown = false; }

public slots:
    void slotCategorySelected(int);
    void slotPluginSelected(int index);
    void slotPluginPortChanged(float value);
    void slotPluginProgramChanged(const QString &value);
    void slotBypassChanged(bool);
    void slotCopy();
    void slotPaste();
    void slotDefault();
    void slotShowGUI();

    virtual void slotDetails();

    void pluginSelected(Rosegarden::InstrumentId, int pluginIndex, int plugin);
    void pluginPortChanged(Rosegarden::InstrumentId, int pluginIndex, int portIndex);
    void pluginProgramChanged(Rosegarden::InstrumentId, int pluginIndex);
    void changePluginConfiguration(Rosegarden::InstrumentId, int pluginIndex,
                           bool global, QString key, QString value);
    void showPluginGUI(Rosegarden::InstrumentId, int pluginIndex);
    void stopPluginGUI(Rosegarden::InstrumentId, int pluginIndex);

    // is the plugin being bypassed
    void bypassed(Rosegarden::InstrumentId, int pluginIndex, bool bp);
    void destroyed(Rosegarden::InstrumentId, int index);

    void windowActivated();

protected slots:
    virtual void slotClose();

    virtual void closeEvent(QCloseEvent *e);
    virtual void windowActivationChange(bool);

    void makePluginParamsBox(QWidget*, int portCount, int tooManyPorts);
    QStringList getProgramsForInstance(AudioPluginInstance *inst, int &current);

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

    AudioPluginManager  *m_pluginManager;
    AudioPluginOSCGUIManager *m_pluginGUIManager;
    PluginContainer     *m_pluginContainer;
    InstrumentId         m_containerId;

    QFrame        *m_pluginParamsBox;
    QWidget             *m_pluginCategoryBox;
    KComboBox           *m_pluginCategoryList;
    QLabel              *m_pluginLabel;
    KComboBox           *m_pluginList;
    std::vector<int>     m_pluginsInList;
    QLabel              *m_insOuts;
    QLabel              *m_pluginId;
    QCheckBox           *m_bypass;
    QPushButton         *m_copyButton;
    QPushButton         *m_pasteButton;
    QPushButton         *m_defaultButton;
    QPushButton         *m_guiButton;
    QLabel              *m_programLabel;
    KComboBox           *m_programCombo;
    std::vector<PluginControl*> m_pluginWidgets;
    QGridLayout         *m_gridLayout;

    int                  m_index;

    bool                 m_generating;
    bool                 m_guiShown;

    QAccel              *m_accelerators;

    void                 populatePluginCategoryList();
    void                 populatePluginList();

} // end of namespace


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