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

    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.


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

class QWidget;
class QVBox;
class QPushButton;
class QHBox;
class QFrame;

namespace Rosegarden

class SequencerMapper;
class Rotary;
class RosegardenGUIDoc;
class MappedEvent;
class Fader;
class AudioVUMeter;
class AudioRouteMenu;

class AudioMixerWindow : public MixerWindow

    AudioMixerWindow(QWidget *parent, RosegardenGUIDoc *document);

    void updateMeters(SequencerMapper *mapper);
    void updateMonitorMeters(SequencerMapper *mapper);

public slots:
    void slotControllerDeviceEventReceived(MappedEvent *,
                                           const void *);

    void selectPlugin(QWidget *, InstrumentId id, int index);

    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 slotFaderLevelChanged(float level);
    void slotPanChanged(float value);
    void slotInputChanged();
    void slotOutputChanged();
    void slotChannelsChanged();
    void slotSoloChanged();
    void slotMuteChanged();
    void slotRecordChanged();
    void slotSelectPlugin();
    // to be called if something changes in an instrument parameter box
    void slotUpdateInstrument(InstrumentId);

    void slotTrackAssignmentsChanged();

    // from Plugin dialog
    void slotPluginSelected(InstrumentId id, int index, int plugin);
    void slotPluginBypassed(InstrumentId id, int pluginIndex, bool bp);

    void slotSetInputCountFromAction();
    void slotSetSubmasterCountFromAction();

    void slotToggleFaders();
    void slotToggleSynthFaders();
    void slotToggleSubmasters();
    void slotTogglePluginButtons();
    void slotToggleUnassignedFaders();

    void slotUpdateFaderVisibility();
    void slotUpdateSynthFaderVisibility();
    void slotUpdateSubmasterVisibility();
    void slotUpdatePluginButtonVisibility();

    virtual void sendControllerRefresh();


    void toggleNamedWidgets(bool show, const char* const);

    // manage the various bits of it in horizontal/vertical slices
    // with other faders:

    struct FaderRec {

        FaderRec() :
            m_input(0), m_output(0), m_pan(0), m_fader(0), m_meter(0),
            m_muteButton(0), m_soloButton(0), m_recordButton(0),
            m_stereoButton(0), m_stereoness(false), m_pluginBox(0)
        { }

        void setVisible(bool);
        void setPluginButtonsVisible(bool);
        bool m_populated;

        AudioRouteMenu *m_input;
        AudioRouteMenu *m_output;

        Rotary *m_pan;
        Fader *m_fader;
        AudioVUMeter *m_meter;

        QPushButton *m_muteButton;
        QPushButton *m_soloButton;
        QPushButton *m_recordButton;
        QPushButton *m_stereoButton;
        bool m_stereoness;

        QVBox *m_pluginBox;
        std::vector<QPushButton *> m_plugins;

    QHBox *m_surroundBox;
    QFrame *m_mainBox;

    typedef std::map<InstrumentId, FaderRec> FaderMap;
    FaderMap m_faders;

    typedef std::vector<FaderRec> FaderVector;
    FaderVector m_submasters;
    FaderRec m_monitor;
    FaderRec m_master;

    void depopulate();
    void populate();

    bool isInstrumentAssigned(InstrumentId id);

    void updateFader(int id); // instrument id if large enough, monitor if -1, master/sub otherwise
    void updateRouteButtons(int id);
    void updateStereoButton(int id);
    void updatePluginButtons(int id);
    void updateMiscButtons(int id);

    QPixmap m_monoPixmap;
    QPixmap m_stereoPixmap;



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