Automatic FX-mixer strip management LMMS#1215

rebasing/resolved conflicts

include/Mixer.h

@@ -26,6 +26,7 @@
 #define MIXER_H
 
 #include "Model.h"
+#include "Track.h"
 #include "EffectChain.h"
 #include "JournallingObject.h"
 #include "ThreadableJob.h"
@@ -66,6 +67,7 @@ class MixerChannel : public ThreadableJob
 		int m_channelIndex; // what channel index are we
 		bool m_queued; // are we queued up for rendering yet?
 		bool m_muted; // are we muted? updated per period so we don't have to call m_muteModel.value() twice
+		BoolModel m_autoTrackLinkModel;
 
 		// pointers to other channels that this one sends to
 		MixerRouteVector m_sends;
@@ -195,6 +197,16 @@ class LMMS_EXPORT Mixer : public Model, public JournallingObject
 	// re-arrange channels
 	void moveChannelLeft(int index);
 	void moveChannelRight(int index);
+	void swapChannels(int indexA, int indexB);
+
+	void toggleAutoTrackLink(int index);
+
+	// process tracks which have a fx send
+	void processFxTracks(std::function<void(Track * track, IntModel * fxChannelModel, FxChannel * fxChannel)> process);
+	IntModel * getFxChannelModelByTrack(Track * track);
+	std::vector<int> getUsedChannelCounts();
+	bool isChannelUsed(int index);
+	bool isAutoTrackLinkToggleAllowed(int index);
 
 	// reset a channel's name, fx, sends, etc
 	void clearChannel(mix_ch_t channelIndex);

include/MixerLine.h

@@ -89,6 +89,7 @@ class MixerLine : public QWidget
 	MixerView * m_mv;
 	LcdWidget* m_lcd;
 	int m_channelIndex;
+	QPalette m_renameEditPalette;
 	QBrush m_backgroundActive;
 	QColor m_strokeOuterActive;
 	QColor m_strokeOuterInactive;
@@ -112,6 +113,8 @@ private slots:
 	void removeUnusedChannels();
 	void moveChannelLeft();
 	void moveChannelRight();
+	void toogleAutoTrackLink();
+	void autoTrackLinkChanged();
 };
 
 

include/MixerView.h

@@ -36,6 +36,7 @@
 #include "PixmapButton.h"
 #include "embed.h"
 #include "EffectRackView.h"
+#include "Track.h"
 
 class QButtonGroup;
 
@@ -101,7 +102,6 @@ class LMMS_EXPORT MixerView : public QWidget, public ModelView,
 
 	// move the channel to the left or right
 	void moveChannelLeft(int index);
-	void moveChannelLeft(int index, int focusIndex);
 	void moveChannelRight(int index);
 
 	void renameChannel(int index);
@@ -110,6 +110,15 @@ class LMMS_EXPORT MixerView : public QWidget, public ModelView,
 	// useful for loading projects
 	void refreshDisplay();
 
+	// Auto track link support
+	void processAfterTrackAdd(Track * track);
+	void processAfterTrackStyleModify(Track * track);
+	void processAfterTrackFxMixerModify(Track * track);
+	void processAfterTrackMove(Track * track);
+	void processAfterTrackDelete(Track * track);
+	void toggleAutoTrackLink(int index);
+
+
 public slots:
 	int addNewChannel();
 
@@ -132,6 +141,8 @@ private slots:
 	QWidget * m_racksWidget;
 
 	void updateMaxChannelSelector();
+	void swapChannels(int indexA, int indexB);
+	void updateAutoTrackSortOrder();
 
 	friend class MixerChannelView;
 } ;

src/core/Mixer.cpp

@@ -77,6 +77,7 @@ MixerChannel::MixerChannel( int idx, Model * _parent ) :
 	m_lock(),
 	m_channelIndex( idx ),
 	m_queued( false ),
+	m_autoTrackLinkModel (false, _parent),
 	m_hasColor( false ),
 	m_dependenciesMet(0)
 {
@@ -289,46 +290,25 @@ void Mixer::deleteChannel( int index )
 	// channel deletion is performed between mixer rounds
 	Engine::audioEngine()->requestChangeInModel();
 
-	// go through every instrument and adjust for the channel index change
-	TrackContainer::TrackList tracks;
-	tracks += Engine::getSong()->tracks();
-	tracks += Engine::patternStore()->tracks();
 
-	for( Track* t : tracks )
+	processFxTracks( [index](Track * track, IntModel * fxChannelModel, FxChannel * fxChannel)
 	{
-		if( t->type() == Track::InstrumentTrack )
+		(void) track;
+		(void) fxChannel;
+		int curFxIndex = fxChannelModel->value(0);
+		if( curFxIndex == index )
 		{
-			InstrumentTrack* inst = dynamic_cast<InstrumentTrack *>( t );
-			int val = inst->mixerChannelModel()->value(0);
-			if( val == index )
-			{
-				// we are deleting this track's channel send
-				// send to master
-				inst->mixerChannelModel()->setValue(0);
-			}
-			else if( val > index )
-			{
-				// subtract 1 to make up for the missing channel
-				inst->mixerChannelModel()->setValue(val-1);
-			}
+			// we are deleting this track's fx send
+			// send to master
+			fxChannelModel->setValue(0);
 		}
-		else if( t->type() == Track::SampleTrack )
+		else if ( curFxIndex > index )
 		{
-			SampleTrack* strk = dynamic_cast<SampleTrack *>( t );
-			int val = strk->mixerChannelModel()->value(0);
-			if( val == index )
-			{
-				// we are deleting this track's channel send
-				// send to master
-				strk->mixerChannelModel()->setValue(0);
-			}
-			else if( val > index )
-			{
-				// subtract 1 to make up for the missing channel
-				strk->mixerChannelModel()->setValue(val-1);
-			}
+			// subtract 1 to make up for the missing channel
+			fxChannelModel->setValue(-1);
 		}
-	}
+	});
+
 
 	MixerChannel * ch = m_mixerChannels[index];
 
@@ -372,74 +352,143 @@ void Mixer::deleteChannel( int index )
 	Engine::audioEngine()->doneChangeInModel();
 }
 
+void FxMixer::toggleAutoTrackLink(int index)
+{
+	m_fxChannels[index]->m_autoTrackLinkModel.setValue(! m_fxChannels[index]->m_autoTrackLinkModel.value());
+}
+
+IntModel * FxMixer::getFxChannelModelByTrack(Track * track)
+{
+	if( track->type() == Track::InstrumentTrack )
+	{
+		InstrumentTrack * inst = (InstrumentTrack *) track;
+		return inst->effectChannelModel();
+	}
+	else if( track->type() == Track::SampleTrack )
+	{
+		SampleTrack * strk = (SampleTrack *) track;
+		return strk->effectChannelModel();
+	}
+	return NULL;
+}
+
+bool FxMixer::isAutoTrackLinkToggleAllowed(int index)
+{
+	if (effectChannel( index )->m_autoTrackLinkModel.value()) return true;
 
+	std::vector<int> used(m_fxChannels.size(), 0);
+	processFxTracks([&used](Track * track, IntModel * fxChannelModel, FxChannel * fxChannel)
+	mutable {
+		(void) track;
+		(void) fxChannel;
+		++used[fxChannelModel->value()];
+	});
 
-void Mixer::moveChannelLeft( int index )
+	return used[index] == 1;
+}
+
+
+void FxMixer::processFxTracks(std::function<void(Track * track, IntModel * fxChannelModel, FxChannel * fxChannel)> process)
 {
-	// can't move master or first channel
-	if( index <= 1 || index >= m_mixerChannels.size() )
+	TrackContainer::TrackList trackList;
+	trackList += Engine::getSong()->tracks();
+	trackList += Engine::getBBTrackContainer()->tracks();
+
+	for (Track* track: trackList)
+	{
+		IntModel * fxChannelModel = getFxChannelModelByTrack(track);
+		FxChannel * fxChannel = NULL;
+		if (fxChannelModel != NULL)
+		{
+			int channelIndex = fxChannelModel->value();
+			if (channelIndex > 0 && channelIndex < m_fxChannels.size() )
+			{
+				fxChannel = effectChannel(channelIndex);
+			}
+			process(track,fxChannelModel, fxChannel);
+		}
+	}
+}
+
+std::vector<int> FxMixer::getUsedChannelCounts()
+{
+	std::vector<int> used(m_fxChannels.size(), 0);
+	processFxTracks([&used](Track * track, IntModel * fxChannelModel, FxChannel * fxChannel)
+	mutable {
+		(void) track;
+		(void) fxChannel;
+		++used[fxChannelModel->value()];
+	});
+
+	return used;
+}
+
+bool FxMixer::isChannelUsed(int index)
+{
+	bool result = false;
+
+	processFxTracks([&result, index](Track * track, IntModel * fxChannelModel, FxChannel * fxChannel)
+	mutable {
+		(void) track;
+		(void) fxChannel;
+		if (fxChannelModel->value() == index) result = true;
+	});
+	return result;
+}
+
+
+
+void FxMixer::swapChannels(int indexA, int indexB)
+{
+	// range check - can't move master or first channel
+	if (( indexA == indexB ) ||
+		( indexA <= 1 || indexA >= m_fxChannels.size() ) ||
+		( indexB <= 1 || indexB >= m_fxChannels.size() ))
 	{
 		return;
 	}
+
 	// channels to swap
-	int a = index - 1, b = index;
+	int a = indexA, b = indexB;
 
 	// check if m_lastSoloed is one of our swaps
 	if (m_lastSoloed == a) { m_lastSoloed = b; }
 	else if (m_lastSoloed == b) { m_lastSoloed = a; }
 
 	// go through every instrument and adjust for the channel index change
-	TrackContainer::TrackList songTrackList = Engine::getSong()->tracks();
-	TrackContainer::TrackList patternTrackList = Engine::patternStore()->tracks();
-
-	TrackContainer::TrackList trackLists[] = {songTrackList, patternTrackList};
-	for(int tl=0; tl<2; ++tl)
+	processFxTracks( [a,b](Track * track, IntModel * fxChannelModel, FxChannel * fxChannel)
 	{
-		TrackContainer::TrackList trackList = trackLists[tl];
-		for(int i=0; i<trackList.size(); ++i)
+		(void) track;
+		(void) fxChannel;
+		int curFxIndex = fxChannelModel->value(0);
+		if( curFxIndex == a )
 		{
-			if( trackList[i]->type() == Track::InstrumentTrack )
-			{
-				InstrumentTrack * inst = (InstrumentTrack *) trackList[i];
-				int val = inst->mixerChannelModel()->value(0);
-				if( val == a )
-				{
-					inst->mixerChannelModel()->setValue(b);
-				}
-				else if( val == b )
-				{
-					inst->mixerChannelModel()->setValue(a);
-				}
-			}
-			else if( trackList[i]->type() == Track::SampleTrack )
-			{
-				SampleTrack * strk = (SampleTrack *) trackList[i];
-				int val = strk->mixerChannelModel()->value(0);
-				if( val == a )
-				{
-					strk->mixerChannelModel()->setValue(b);
-				}
-				else if( val == b )
-				{
-					strk->mixerChannelModel()->setValue(a);
-				}
-			}
+			fxChannelModel->setValue(b);
 		}
-	}
+		else if ( curFxIndex == b )
+		{
+			fxChannelModel->setValue(a);
+		}
+	});
 
 	// Swap positions in array
-	qSwap(m_mixerChannels[index], m_mixerChannels[index - 1]);
+	qSwap(m_fxChannels[a], m_fxChannels[b]);
 
 	// Update m_channelIndex of both channels
-	m_mixerChannels[index]->m_channelIndex = index;
-	m_mixerChannels[index - 1]->m_channelIndex = index -1;
+	m_fxChannels[a]->m_channelIndex = a;
+	m_fxChannels[b]->m_channelIndex = b;
 }
 
 
+void FxMixer::moveChannelLeft( int index )
+{
+	swapChannels(index - 1, index);
+}
+
 
 void Mixer::moveChannelRight( int index )
 {
-	moveChannelLeft( index + 1 );
+	swapChannels(index, index + 1 );
 }
 
 
@@ -740,13 +789,14 @@ void Mixer::saveSettings( QDomDocument & _doc, QDomElement & _this )
 		QDomElement mixch = _doc.createElement( QString( "mixerchannel" ) );
 		_this.appendChild( mixch );
 
-		ch->m_fxChain.saveState( _doc, mixch );
-		ch->m_volumeModel.saveSettings( _doc, mixch, "volume" );
-		ch->m_muteModel.saveSettings( _doc, mixch, "muted" );
-		ch->m_soloModel.saveSettings( _doc, mixch, "soloed" );
-		mixch.setAttribute( "num", i );
-		mixch.setAttribute( "name", ch->m_name );
-		if( ch->m_hasColor ) mixch.setAttribute( "color", ch->m_color.name() );
+		ch->m_fxChain.saveState( _doc, fxch );
+		ch->m_volumeModel.saveSettings( _doc, fxch, "volume" );
+		ch->m_muteModel.saveSettings( _doc, fxch, "muted" );
+		ch->m_soloModel.saveSettings( _doc, fxch, "soloed" );
+		ch->m_autoTrackLinkModel.saveSettings( _doc, fxch, "autoTrackLink" );
+		fxch.setAttribute( "num", i );
+		fxch.setAttribute( "name", ch->m_name );
+		if( ch->m_hasColor ) fxch.setAttribute( "color", ch->m_color.name() );
 
 		// add the channel sends
 		for( int si = 0; si < ch->m_sends.size(); ++si )
@@ -788,11 +838,14 @@ void Mixer::loadSettings( const QDomElement & _this )
 		// allocate enough channels
 		allocateChannelsTo( num );
 
-		m_mixerChannels[num]->m_volumeModel.loadSettings( mixch, "volume" );
-		m_mixerChannels[num]->m_muteModel.loadSettings( mixch, "muted" );
-		m_mixerChannels[num]->m_soloModel.loadSettings( mixch, "soloed" );
-		m_mixerChannels[num]->m_name = mixch.attribute( "name" );
-		if( mixch.hasAttribute( "color" ) )
+		m_fxChannels[num]->m_volumeModel.loadSettings( fxch, "volume" );
+
+		m_fxChannels[num]->m_muteModel.loadSettings( fxch, "muted" );
+		m_fxChannels[num]->m_soloModel.loadSettings( fxch, "soloed" );
+		m_fxChannels[num]->m_autoTrackLinkModel.loadSettings( fxch, "autoTrackLink" );
+
+		m_fxChannels[num]->m_name = fxch.attribute( "name" );
+		if( fxch.hasAttribute( "color" ) )
 		{
 			m_mixerChannels[num]->m_hasColor = true;
 			m_mixerChannels[num]->m_color.setNamedColor( mixch.attribute( "color" ) );