Fix broken FxLine tool tips (#3321)

src/gui/FxMixerView.cpp

@@ -73,7 +73,7 @@ FxMixerView::FxMixerView() :
 
 	// Set margins
 	ml->setContentsMargins( 0, 4, 0, 0 );
-	
+
 	// Channel area
 	m_channelAreaWidget = new QWidget;
 	chLayout = new QHBoxLayout( m_channelAreaWidget );
@@ -138,9 +138,9 @@ FxMixerView::FxMixerView() :
 	ml->addWidget( newChannelBtn, 0, Qt::AlignTop );
 
 
-	// add the stacked layout for the effect racks of fx channels 
+	// add the stacked layout for the effect racks of fx channels
 	ml->addWidget( m_racksWidget, 0, Qt::AlignTop | Qt::AlignRight );
-	
+
 	setCurrentFxLine( m_fxChannelViews[0]->m_fxLine );
 
 	setLayout( ml );
@@ -219,10 +219,10 @@ void FxMixerView::refreshDisplay()
 		chLayout->addWidget(m_fxChannelViews[i]->m_fxLine);
 		m_racksLayout->addWidget( m_fxChannelViews[i]->m_rackView );
 	}
-	
+
 	// set selected fx line to 0
 	setCurrentFxLine( 0 );
-	
+
 	// update all fx lines
 	for( int i = 0; i < m_fxChannelViews.size(); ++i )
 	{
@@ -308,7 +308,7 @@ FxMixerView::FxChannelView::FxChannelView(QWidget * _parent, FxMixerView * _mv,
 	connect(&fxChannel->m_soloModel, SIGNAL( dataChanged() ),
 			_mv, SLOT ( toggledSolo() ) );
 	ToolTip::add( m_soloBtn, tr( "Solo FX channel" ) );
-	
+
 	// Create EffectRack for the channel
 	m_rackView = new EffectRackView( &fxChannel->m_fxChain, _mv->m_racksWidget );
 	m_rackView->setFixedSize( 245, FxLine::FxLineHeight );
@@ -354,6 +354,8 @@ void FxMixerView::updateFxLine(int index)
 	// does current channel send to this channel?
 	int selIndex = m_currentFxLine->channelIndex();
 	FxLine * thisLine = m_fxChannelViews[index]->m_fxLine;
+	thisLine->setToolTip( Engine::fxMixer()->effectChannel( index )->m_name );
+
 	FloatModel * sendModel = mix->channelSendModel(selIndex, index);
 	if( sendModel == NULL )
 	{