midimixerwindow.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_MIDIMIXERWINDOW_H_
#define _RG_MIDIMIXERWINDOW_H_

#include "base/MidiProgram.h"
#include "MixerWindow.h"
#include <vector>


class QWidget;
class QTabWidget;
class QString;
class QFrame;


namespace Rosegarden
{

class SequencerMapper;
class Rotary;
class RosegardenGUIDoc;
class MidiMixerVUMeter;
class MappedEvent;
class Fader;


class MidiMixerWindow : public MixerWindow
{
    Q_OBJECT

public:
    MidiMixerWindow(QWidget *parent, RosegardenGUIDoc *document);

    /**
     * Setup the tabs on the Mixer according to the Studio
     */
    void setupTabs();

    /* 
     * Update the VU meters
     */
    void updateMeters(SequencerMapper *mapper);
    void updateMonitorMeter(SequencerMapper *mapper);

public slots:
    void slotSynchronise(); // synchronise with updated studio

    void slotControllerDeviceEventReceived(MappedEvent *,
                                           const void *);

    void slotCurrentTabChanged(QWidget *);

signals:
    void play();
    void stop();
    void fastForwardPlayback();
    void rewindPlayback();
    void fastForwardPlaybackToEnd();
    void rewindPlaybackToBeginning();
    void record();
    void panic();

    // to be redirected to the instrument parameter box if necessary
    void instrumentParametersChanged(InstrumentId);

protected slots:
    void slotUpdateInstrument(InstrumentId);

    //void slotPanChanged(float);
    void slotFaderLevelChanged(float);
    void slotControllerChanged(float);

protected:
    void addTab(QWidget *tab, const QString &title);

    virtual void sendControllerRefresh();

    QTabWidget                        *m_tabWidget;

    struct FaderStruct {

        FaderStruct():m_id(0), m_vuMeter(0), m_volumeFader(0) {}

        InstrumentId       m_id;
        MidiMixerVUMeter              *m_vuMeter;
        Fader               *m_volumeFader;
        std::vector<std::pair<MidiByte, Rotary*> > m_controllerRotaries;

    };

    typedef std::vector<FaderStruct*>  FaderVector;
    FaderVector                        m_faders;

    QFrame                            *m_tabFrame;

};


}

#endif