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InstrumentTrack.cpp
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InstrumentTrack.cpp
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/*
* InstrumentTrack.cpp - implementation of instrument-track-class
* (window + data-structures)
*
* Copyright (c) 2004-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - http://lmms.io
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#include <QDir>
#include <QFile>
#include <QQueue>
#include <QApplication>
#include <QCloseEvent>
#include <QLabel>
#include <QLayout>
#include <QLineEdit>
#include <QMdiArea>
#include <QMenu>
#include <QMessageBox>
#include <QMdiSubWindow>
#include <QPainter>
#include <QWidget>
#include "FileDialog.h"
#include "InstrumentTrack.h"
#include "AudioPort.h"
#include "AutomationPattern.h"
#include "BBTrack.h"
#include "CaptionMenu.h"
#include "ConfigManager.h"
#include "ControllerConnection.h"
#include "debug.h"
#include "EffectChain.h"
#include "EffectRackView.h"
#include "embed.h"
#include "Engine.h"
#include "FileBrowser.h"
#include "FxMixer.h"
#include "FxMixerView.h"
#include "GuiApplication.h"
#include "InstrumentSoundShaping.h"
#include "InstrumentSoundShapingView.h"
#include "FadeButton.h"
#include "gui_templates.h"
#include "Instrument.h"
#include "InstrumentFunctionViews.h"
#include "InstrumentMidiIOView.h"
#include "Knob.h"
#include "LcdSpinBox.h"
#include "LedCheckbox.h"
#include "LeftRightNav.h"
#include "MainWindow.h"
#include "MidiClient.h"
#include "MidiPortMenu.h"
#include "MixHelpers.h"
#include "DataFile.h"
#include "NotePlayHandle.h"
#include "Pattern.h"
#include "PluginFactory.h"
#include "PluginView.h"
#include "SamplePlayHandle.h"
#include "Song.h"
#include "StringPairDrag.h"
#include "TabWidget.h"
#include "ToolTip.h"
#include "TrackContainerView.h"
#include "TrackLabelButton.h"
#include "ValueBuffer.h"
#include "volume.h"
const char * volume_help = QT_TRANSLATE_NOOP( "InstrumentTrack",
"With this knob you can set "
"the volume of the opened "
"channel.");
const int INSTRUMENT_WIDTH = 254;
const int INSTRUMENT_HEIGHT = INSTRUMENT_WIDTH;
const int PIANO_HEIGHT = 82;
const int INSTRUMENT_WINDOW_CACHE_SIZE = 8;
// #### IT:
InstrumentTrack::InstrumentTrack( TrackContainer* tc ) :
Track( Track::InstrumentTrack, tc ),
MidiEventProcessor(),
m_midiPort( tr( "unnamed_track" ), Engine::mixer()->midiClient(),
this, this ),
m_notes(),
m_sustainPedalPressed( false ),
m_silentBuffersProcessed( false ),
m_baseNoteModel( 0, 0, KeysPerOctave * NumOctaves - 1, this,
tr( "Base note" ) ),
m_volumeModel( DefaultVolume, MinVolume, MaxVolume, 0.1f, this, tr( "Volume" ) ),
m_panningModel( DefaultPanning, PanningLeft, PanningRight, 0.1f, this, tr( "Panning" ) ),
m_audioPort( tr( "unnamed_track" ), true, &m_volumeModel, &m_panningModel, &m_mutedModel ),
m_pitchModel( 0, MinPitchDefault, MaxPitchDefault, 1, this, tr( "Pitch" ) ),
m_pitchRangeModel( 1, 1, 60, this, tr( "Pitch range" ) ),
m_effectChannelModel( 0, 0, 0, this, tr( "FX channel" ) ),
m_useMasterPitchModel( true, this, tr( "Master Pitch") ),
m_instrument( NULL ),
m_soundShaping( this ),
m_arpeggio( this ),
m_noteStacking( this ),
m_piano( this )
{
m_pitchModel.setCenterValue( 0 );
m_panningModel.setCenterValue( DefaultPanning );
m_baseNoteModel.setInitValue( DefaultKey );
m_effectChannelModel.setRange( 0, Engine::fxMixer()->numChannels()-1, 1);
for( int i = 0; i < NumKeys; ++i )
{
m_notes[i] = NULL;
m_runningMidiNotes[i] = 0;
}
setName( tr( "Default preset" ) );
connect( &m_baseNoteModel, SIGNAL( dataChanged() ), this, SLOT( updateBaseNote() ) );
connect( &m_pitchModel, SIGNAL( dataChanged() ), this, SLOT( updatePitch() ) );
connect( &m_pitchRangeModel, SIGNAL( dataChanged() ), this, SLOT( updatePitchRange() ) );
}
int InstrumentTrack::baseNote() const
{
int mp = m_useMasterPitchModel.value() ? Engine::getSong()->masterPitch() : 0;
return m_baseNoteModel.value() - mp;
}
InstrumentTrack::~InstrumentTrack()
{
// kill all running notes and the iph
silenceAllNotes( true );
// now we're save deleting the instrument
if( m_instrument ) delete m_instrument;
}
void InstrumentTrack::processAudioBuffer( sampleFrame* buf, const fpp_t frames, NotePlayHandle* n )
{
// we must not play the sound if this InstrumentTrack is muted...
if( isMuted() || ( n && n->isBbTrackMuted() ) || ! m_instrument )
{
return;
}
// Test for silent input data if instrument provides a single stream only (i.e. driven by InstrumentPlayHandle)
// We could do that in all other cases as well but the overhead for silence test is bigger than
// what we potentially save. While playing a note, a NotePlayHandle-driven instrument will produce sound in
// 99 of 100 cases so that test would be a waste of time.
if( m_instrument->flags().testFlag( Instrument::IsSingleStreamed ) &&
MixHelpers::isSilent( buf, frames ) )
{
// at least pass one silent buffer to allow
if( m_silentBuffersProcessed )
{
// skip further processing
return;
}
m_silentBuffersProcessed = true;
}
else
{
m_silentBuffersProcessed = false;
}
// if effects "went to sleep" because there was no input, wake them up
// now
m_audioPort.effects()->startRunning();
// get volume knob data
static const float DefaultVolumeRatio = 1.0f / DefaultVolume;
/*ValueBuffer * volBuf = m_volumeModel.valueBuffer();
float v_scale = volBuf
? 1.0f
: getVolume() * DefaultVolumeRatio;*/
// instruments using instrument-play-handles will call this method
// without any knowledge about notes, so they pass NULL for n, which
// is no problem for us since we just bypass the envelopes+LFOs
if( m_instrument->flags().testFlag( Instrument::IsSingleStreamed ) == false && n != NULL )
{
const f_cnt_t offset = n->noteOffset();
m_soundShaping.processAudioBuffer( buf + offset, frames - offset, n );
const float vol = ( (float) n->getVolume() * DefaultVolumeRatio );
const panning_t pan = qBound( PanningLeft, n->getPanning(), PanningRight );
stereoVolumeVector vv = panningToVolumeVector( pan, vol );
for( f_cnt_t f = offset; f < frames; ++f )
{
for( int c = 0; c < 2; ++c )
{
buf[f][c] *= vv.vol[c];
}
}
}
m_audioPort.setNextFxChannel( m_effectChannelModel.value() );
}
MidiEvent InstrumentTrack::applyMasterKey( const MidiEvent& event )
{
MidiEvent copy( event );
switch( event.type() )
{
case MidiNoteOn:
case MidiNoteOff:
case MidiKeyPressure:
copy.setKey( masterKey( event.key() ) );
break;
default:
break;
}
return copy;
}
void InstrumentTrack::processInEvent( const MidiEvent& event, const MidiTime& time, f_cnt_t offset )
{
bool eventHandled = false;
switch( event.type() )
{
// we don't send MidiNoteOn, MidiNoteOff and MidiKeyPressure
// events to instrument as NotePlayHandle will send them on its
// own
case MidiNoteOn:
if( event.velocity() > 0 )
{
NotePlayHandle* nph;
m_notesMutex.lock();
if( m_notes[event.key()] == NULL )
{
nph = NotePlayHandleManager::acquire( this, offset,
typeInfo<f_cnt_t>::max() / 2,
Note( MidiTime(), MidiTime(), event.key(), event.volume( midiPort()->baseVelocity() ) ),
NULL, event.channel(),
NotePlayHandle::OriginMidiInput );
m_notes[event.key()] = nph;
if( ! Engine::mixer()->addPlayHandle( nph ) )
{
m_notes[event.key()] = NULL;
}
}
m_notesMutex.unlock();
eventHandled = true;
break;
}
case MidiNoteOff:
m_notesMutex.lock();
if( m_notes[event.key()] != NULL )
{
// do actual note off and remove internal reference to NotePlayHandle (which itself will
// be deleted later automatically)
m_notes[event.key()]->noteOff( offset );
m_notes[event.key()] = NULL;
}
m_notesMutex.unlock();
eventHandled = true;
break;
case MidiKeyPressure:
if( m_notes[event.key()] != NULL )
{
// setVolume() calls processOutEvent() with MidiKeyPressure so the
// attached instrument will receive the event as well
m_notes[event.key()]->setVolume( event.volume( midiPort()->baseVelocity() ) );
}
eventHandled = true;
break;
case MidiPitchBend:
// updatePitch() is connected to m_pitchModel::dataChanged() which will send out
// MidiPitchBend events
m_pitchModel.setValue( m_pitchModel.minValue() + event.pitchBend() * m_pitchModel.range() / MidiMaxPitchBend );
break;
case MidiControlChange:
if( event.controllerNumber() == MidiControllerSustain )
{
if( event.controllerValue() > MidiMaxControllerValue/2 )
{
m_sustainPedalPressed = true;
}
else
{
m_sustainPedalPressed = false;
}
}
if( event.controllerNumber() == MidiControllerAllSoundOff ||
event.controllerNumber() == MidiControllerAllNotesOff ||
event.controllerNumber() == MidiControllerOmniOn ||
event.controllerNumber() == MidiControllerOmniOff ||
event.controllerNumber() == MidiControllerMonoOn ||
event.controllerNumber() == MidiControllerPolyOn )
{
silenceAllNotes();
}
break;
case MidiMetaEvent:
// handle special cases such as note panning
switch( event.metaEvent() )
{
case MidiNotePanning:
if( m_notes[event.key()] != NULL )
{
eventHandled = true;
m_notes[event.key()]->setPanning( event.panning() );
}
break;
default:
qWarning( "InstrumentTrack: unhandled MIDI meta event: %i", event.metaEvent() );
break;
}
break;
default:
break;
}
if( eventHandled == false && instrument()->handleMidiEvent( event, time, offset ) == false )
{
qWarning( "InstrumentTrack: unhandled MIDI event %d", event.type() );
}
}
void InstrumentTrack::processOutEvent( const MidiEvent& event, const MidiTime& time, f_cnt_t offset )
{
// do nothing if we do not have an instrument instance (e.g. when loading settings)
if( m_instrument == NULL )
{
return;
}
const MidiEvent transposedEvent = applyMasterKey( event );
const int key = transposedEvent.key();
switch( event.type() )
{
case MidiNoteOn:
m_midiNotesMutex.lock();
m_piano.setKeyState( event.key(), true ); // event.key() = original key
if( key >= 0 && key < NumKeys )
{
if( m_runningMidiNotes[key] > 0 )
{
m_instrument->handleMidiEvent( MidiEvent( MidiNoteOff, midiPort()->realOutputChannel(), key, 0 ), time, offset );
}
++m_runningMidiNotes[key];
m_instrument->handleMidiEvent( MidiEvent( MidiNoteOn, midiPort()->realOutputChannel(), key, event.velocity() ), time, offset );
}
m_midiNotesMutex.unlock();
emit newNote();
break;
case MidiNoteOff:
m_midiNotesMutex.lock();
m_piano.setKeyState( event.key(), false ); // event.key() = original key
if( key >= 0 && key < NumKeys && --m_runningMidiNotes[key] <= 0 )
{
m_instrument->handleMidiEvent( MidiEvent( MidiNoteOff, midiPort()->realOutputChannel(), key, 0 ), time, offset );
}
m_midiNotesMutex.unlock();
break;
default:
m_instrument->handleMidiEvent( transposedEvent, time, offset );
break;
}
// if appropriate, midi-port does futher routing
m_midiPort.processOutEvent( event, time );
}
void InstrumentTrack::silenceAllNotes( bool removeIPH )
{
m_notesMutex.lock();
m_midiNotesMutex.lock();
for( int i = 0; i < NumKeys; ++i )
{
m_notes[i] = NULL;
m_runningMidiNotes[i] = 0;
}
m_notesMutex.unlock();
m_midiNotesMutex.unlock();
lock();
// invalidate all NotePlayHandles linked to this track
m_processHandles.clear();
Engine::mixer()->removePlayHandlesOfTypes( this, removeIPH
? PlayHandle::TypeNotePlayHandle
| PlayHandle::TypeInstrumentPlayHandle
: PlayHandle::TypeNotePlayHandle );
unlock();
}
f_cnt_t InstrumentTrack::beatLen( NotePlayHandle * _n ) const
{
if( m_instrument != NULL )
{
const f_cnt_t len = m_instrument->beatLen( _n );
if( len > 0 )
{
return len;
}
}
return m_soundShaping.envFrames();
}
void InstrumentTrack::playNote( NotePlayHandle* n, sampleFrame* workingBuffer )
{
// arpeggio- and chord-widget has to do its work -> adding sub-notes
// for chords/arpeggios
m_noteStacking.processNote( n );
m_arpeggio.processNote( n );
if( n->isMasterNote() == false && m_instrument != NULL )
{
// all is done, so now lets play the note!
m_instrument->playNote( n, workingBuffer );
}
}
QString InstrumentTrack::instrumentName() const
{
if( m_instrument != NULL )
{
return m_instrument->displayName();
}
return QString::null;
}
void InstrumentTrack::deleteNotePluginData( NotePlayHandle* n )
{
if( m_instrument != NULL )
{
m_instrument->deleteNotePluginData( n );
}
}
void InstrumentTrack::setName( const QString & _new_name )
{
// when changing name of track, also change name of those patterns,
// which have the same name as the instrument-track
for( int i = 0; i < numOfTCOs(); ++i )
{
Pattern* p = dynamic_cast<Pattern*>( getTCO( i ) );
if( ( p != NULL && p->name() == name() ) || p->name() == "" )
{
p->setName( _new_name );
}
}
Track::setName( _new_name );
m_midiPort.setName( name() );
m_audioPort.setName( name() );
emit nameChanged();
}
void InstrumentTrack::updateBaseNote()
{
for( NotePlayHandleList::Iterator it = m_processHandles.begin();
it != m_processHandles.end(); ++it )
{
( *it )->setFrequencyUpdate();
}
}
void InstrumentTrack::updatePitch()
{
updateBaseNote();
processOutEvent( MidiEvent( MidiPitchBend, midiPort()->realOutputChannel(), midiPitch() ) );
}
void InstrumentTrack::updatePitchRange()
{
const int r = m_pitchRangeModel.value();
m_pitchModel.setRange( MinPitchDefault * r, MaxPitchDefault * r );
processOutEvent( MidiEvent( MidiControlChange, midiPort()->realOutputChannel(),
MidiControllerRegisteredParameterNumberLSB, MidiPitchBendSensitivityRPN & 0x7F ) );
processOutEvent( MidiEvent( MidiControlChange, midiPort()->realOutputChannel(),
MidiControllerRegisteredParameterNumberMSB, ( MidiPitchBendSensitivityRPN >> 8 ) & 0x7F ) );
processOutEvent( MidiEvent( MidiControlChange, midiPort()->realOutputChannel(), MidiControllerDataEntry, midiPitchRange() ) );
}
int InstrumentTrack::masterKey( int _midi_key ) const
{
int key = baseNote();
return tLimit<int>( _midi_key - ( key - DefaultKey ), 0, NumKeys );
}
void InstrumentTrack::removeMidiPortNode( DataFile & _dataFile )
{
QDomNodeList n = _dataFile.elementsByTagName( "midiport" );
n.item( 0 ).parentNode().removeChild( n.item( 0 ) );
}
bool InstrumentTrack::play( const MidiTime & _start, const fpp_t _frames,
const f_cnt_t _offset, int _tco_num )
{
if( ! m_instrument || ! tryLock() )
{
return false;
}
const float frames_per_tick = Engine::framesPerTick();
tcoVector tcos;
::BBTrack * bb_track = NULL;
if( _tco_num >= 0 )
{
TrackContentObject * tco = getTCO( _tco_num );
tcos.push_back( tco );
bb_track = BBTrack::findBBTrack( _tco_num );
}
else
{
getTCOsInRange( tcos, _start, _start + static_cast<int>(
_frames / frames_per_tick ) );
}
// Handle automation: detuning
for( NotePlayHandleList::Iterator it = m_processHandles.begin();
it != m_processHandles.end(); ++it )
{
( *it )->processMidiTime( _start );
}
if ( tcos.size() == 0 )
{
unlock();
return false;
}
bool played_a_note = false; // will be return variable
for( tcoVector::Iterator it = tcos.begin(); it != tcos.end(); ++it )
{
Pattern* p = dynamic_cast<Pattern*>( *it );
// everything which is not a pattern or muted won't be played
if( p == NULL || ( *it )->isMuted() )
{
continue;
}
MidiTime cur_start = _start;
if( _tco_num < 0 )
{
cur_start -= p->startPosition();
}
// get all notes from the given pattern...
const NoteVector & notes = p->notes();
// ...and set our index to zero
NoteVector::ConstIterator nit = notes.begin();
// very effective algorithm for playing notes that are
// posated within the current sample-frame
if( cur_start > 0 )
{
// skip notes which are posated before start-tact
while( nit != notes.end() && ( *nit )->pos() < cur_start )
{
++nit;
}
}
Note * cur_note;
while( nit != notes.end() &&
( cur_note = *nit )->pos() == cur_start )
{
if( cur_note->length() != 0 )
{
const f_cnt_t note_frames =
cur_note->length().frames(
frames_per_tick );
NotePlayHandle* notePlayHandle = NotePlayHandleManager::acquire( this, _offset, note_frames, *cur_note );
notePlayHandle->setBBTrack( bb_track );
// are we playing global song?
if( _tco_num < 0 )
{
// then set song-global offset of pattern in order to
// properly perform the note detuning
notePlayHandle->setSongGlobalParentOffset( p->startPosition() );
}
Engine::mixer()->addPlayHandle( notePlayHandle );
played_a_note = true;
}
++nit;
}
}
unlock();
return played_a_note;
}
TrackContentObject * InstrumentTrack::createTCO( const MidiTime & )
{
return new Pattern( this );
}
TrackView * InstrumentTrack::createView( TrackContainerView* tcv )
{
return new InstrumentTrackView( this, tcv );
}
void InstrumentTrack::saveTrackSpecificSettings( QDomDocument& doc, QDomElement & thisElement )
{
m_volumeModel.saveSettings( doc, thisElement, "vol" );
m_panningModel.saveSettings( doc, thisElement, "pan" );
m_pitchModel.saveSettings( doc, thisElement, "pitch" );
m_pitchRangeModel.saveSettings( doc, thisElement, "pitchrange" );
m_effectChannelModel.saveSettings( doc, thisElement, "fxch" );
m_baseNoteModel.saveSettings( doc, thisElement, "basenote" );
m_useMasterPitchModel.saveSettings( doc, thisElement, "usemasterpitch");
if( m_instrument != NULL )
{
QDomElement i = doc.createElement( "instrument" );
i.setAttribute( "name", m_instrument->descriptor()->name );
m_instrument->saveState( doc, i );
thisElement.appendChild( i );
}
m_soundShaping.saveState( doc, thisElement );
m_noteStacking.saveState( doc, thisElement );
m_arpeggio.saveState( doc, thisElement );
m_midiPort.saveState( doc, thisElement );
m_audioPort.effects()->saveState( doc, thisElement );
}
void InstrumentTrack::loadTrackSpecificSettings( const QDomElement & thisElement )
{
silenceAllNotes( true );
lock();
m_volumeModel.loadSettings( thisElement, "vol" );
m_panningModel.loadSettings( thisElement, "pan" );
m_pitchRangeModel.loadSettings( thisElement, "pitchrange" );
m_pitchModel.loadSettings( thisElement, "pitch" );
m_effectChannelModel.setRange( 0, Engine::fxMixer()->numChannels()-1 );
m_effectChannelModel.loadSettings( thisElement, "fxch" );
m_baseNoteModel.loadSettings( thisElement, "basenote" );
m_useMasterPitchModel.loadSettings( thisElement, "usemasterpitch");
// clear effect-chain just in case we load an old preset without FX-data
m_audioPort.effects()->clear();
QDomNode node = thisElement.firstChild();
while( !node.isNull() )
{
if( node.isElement() )
{
if( m_soundShaping.nodeName() == node.nodeName() )
{
m_soundShaping.restoreState( node.toElement() );
}
else if( m_noteStacking.nodeName() == node.nodeName() )
{
m_noteStacking.restoreState( node.toElement() );
}
else if( m_arpeggio.nodeName() == node.nodeName() )
{
m_arpeggio.restoreState( node.toElement() );
}
else if( m_midiPort.nodeName() == node.nodeName() )
{
m_midiPort.restoreState( node.toElement() );
}
else if( m_audioPort.effects()->nodeName() == node.nodeName() )
{
m_audioPort.effects()->restoreState( node.toElement() );
}
else if( node.nodeName() == "instrument" )
{
delete m_instrument;
m_instrument = NULL;
m_instrument = Instrument::instantiate( node.toElement().attribute( "name" ), this );
m_instrument->restoreState( node.firstChildElement() );
emit instrumentChanged();
}
// compat code - if node-name doesn't match any known
// one, we assume that it is an instrument-plugin
// which we'll try to load
else if( AutomationPattern::classNodeName() != node.nodeName() &&
ControllerConnection::classNodeName() != node.nodeName() &&
!node.toElement().hasAttribute( "id" ) )
{
delete m_instrument;
m_instrument = NULL;
m_instrument = Instrument::instantiate( node.nodeName(), this );
if( m_instrument->nodeName() == node.nodeName() )
{
m_instrument->restoreState( node.toElement() );
}
emit instrumentChanged();
}
}
node = node.nextSibling();
}
updatePitchRange();
unlock();
}
Instrument * InstrumentTrack::loadInstrument( const QString & _plugin_name )
{
silenceAllNotes( true );
lock();
delete m_instrument;
m_instrument = Instrument::instantiate( _plugin_name, this );
unlock();
setName( m_instrument->displayName() );
emit instrumentChanged();
return m_instrument;
}
// #### ITV:
QQueue<InstrumentTrackWindow *> InstrumentTrackView::s_windowCache;
InstrumentTrackView::InstrumentTrackView( InstrumentTrack * _it, TrackContainerView* tcv ) :
TrackView( _it, tcv ),
m_window( NULL ),
m_lastPos( -1, -1 )
{
setAcceptDrops( true );
setFixedHeight( 32 );
m_tlb = new TrackLabelButton( this, getTrackSettingsWidget() );
m_tlb->setCheckable( true );
m_tlb->setIcon( embed::getIconPixmap( "instrument_track" ) );
m_tlb->move( 3, 1 );
m_tlb->show();
connect( m_tlb, SIGNAL( toggled( bool ) ),
this, SLOT( toggleInstrumentWindow( bool ) ) );
connect( _it, SIGNAL( nameChanged() ),
m_tlb, SLOT( update() ) );
// creation of widgets for track-settings-widget
int widgetWidth;
if( ConfigManager::inst()->value( "ui",
"compacttrackbuttons" ).toInt() )
{
widgetWidth = DEFAULT_SETTINGS_WIDGET_WIDTH_COMPACT;
}
else
{
widgetWidth = DEFAULT_SETTINGS_WIDGET_WIDTH;
}
m_volumeKnob = new Knob( knobSmall_17, getTrackSettingsWidget(),
tr( "Volume" ) );
m_volumeKnob->setVolumeKnob( true );
m_volumeKnob->setModel( &_it->m_volumeModel );
m_volumeKnob->setHintText( tr( "Volume:" ), "%" );
m_volumeKnob->move( widgetWidth-2*24, 2 );
m_volumeKnob->setLabel( tr( "VOL" ) );
m_volumeKnob->show();
m_volumeKnob->setWhatsThis( tr( volume_help ) );
m_panningKnob = new Knob( knobSmall_17, getTrackSettingsWidget(),
tr( "Panning" ) );
m_panningKnob->setModel( &_it->m_panningModel );
m_panningKnob->setHintText( tr( "Panning:" ), "%" );
m_panningKnob->move( widgetWidth-24, 2 );
m_panningKnob->setLabel( tr( "PAN" ) );
m_panningKnob->show();
m_midiMenu = new QMenu( tr( "MIDI" ), this );
// sequenced MIDI?
if( !Engine::mixer()->midiClient()->isRaw() )
{
_it->m_midiPort.m_readablePortsMenu = new MidiPortMenu(
MidiPort::Input );
_it->m_midiPort.m_writablePortsMenu = new MidiPortMenu(
MidiPort::Output );
_it->m_midiPort.m_readablePortsMenu->setModel(
&_it->m_midiPort );
_it->m_midiPort.m_writablePortsMenu->setModel(
&_it->m_midiPort );
m_midiInputAction = m_midiMenu->addMenu(
_it->m_midiPort.m_readablePortsMenu );
m_midiOutputAction = m_midiMenu->addMenu(
_it->m_midiPort.m_writablePortsMenu );
}
else
{
m_midiInputAction = m_midiMenu->addAction( "" );
m_midiOutputAction = m_midiMenu->addAction( "" );
m_midiInputAction->setCheckable( true );
m_midiOutputAction->setCheckable( true );
connect( m_midiInputAction, SIGNAL( changed() ), this,
SLOT( midiInSelected() ) );
connect( m_midiOutputAction, SIGNAL( changed() ), this,
SLOT( midiOutSelected() ) );
connect( &_it->m_midiPort, SIGNAL( modeChanged() ),
this, SLOT( midiConfigChanged() ) );
}
m_midiInputAction->setText( tr( "Input" ) );
m_midiOutputAction->setText( tr( "Output" ) );
m_activityIndicator = new FadeButton( QApplication::palette().color( QPalette::Active,
QPalette::Background),
QApplication::palette().color( QPalette::Active,
QPalette::BrightText ),
getTrackSettingsWidget() );
m_activityIndicator->setGeometry(
widgetWidth-2*24-11, 2, 8, 28 );
m_activityIndicator->show();
connect( m_activityIndicator, SIGNAL( pressed() ),
this, SLOT( activityIndicatorPressed() ) );
connect( m_activityIndicator, SIGNAL( released() ),
this, SLOT( activityIndicatorReleased() ) );
connect( _it, SIGNAL( newNote() ),
m_activityIndicator, SLOT( activate() ) );
connect( &_it->m_mutedModel, SIGNAL( dataChanged() ), this, SLOT( muteChanged() ) );
setModel( _it );
}
InstrumentTrackView::~InstrumentTrackView()
{
freeInstrumentTrackWindow();
delete model()->m_midiPort.m_readablePortsMenu;
delete model()->m_midiPort.m_writablePortsMenu;
}
InstrumentTrackWindow * InstrumentTrackView::topLevelInstrumentTrackWindow()
{
InstrumentTrackWindow * w = NULL;
foreach( QMdiSubWindow * sw,
gui->mainWindow()->workspace()->subWindowList(
QMdiArea::ActivationHistoryOrder ) )
{
if( sw->isVisible() && sw->widget()->inherits( "InstrumentTrackWindow" ) )
{
w = qobject_cast<InstrumentTrackWindow *>( sw->widget() );
}
}
return w;
}
/*! \brief Create and assign a new FX Channel for this track */
void InstrumentTrackView::createFxLine()
{
int channelIndex = gui->fxMixerView()->addNewChannel();
Engine::fxMixer()->effectChannel( channelIndex )->m_name = getTrack()->name();
assignFxLine(channelIndex);
}
/*! \brief Assign a specific FX Channel for this track */
void InstrumentTrackView::assignFxLine(int channelIndex)
{
model()->effectChannelModel()->setValue( channelIndex );
gui->fxMixerView()->setCurrentFxLine( channelIndex );
}
// TODO: Add windows to free list on freeInstrumentTrackWindow.
// But, don't NULL m_window or disconnect signals. This will allow windows
// that are being show/hidden frequently to stay connected.
void InstrumentTrackView::freeInstrumentTrackWindow()
{
if( m_window != NULL )
{
m_lastPos = m_window->parentWidget()->pos();
if( ConfigManager::inst()->value( "ui",