Performance improvements to controller-base

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@888 0778d3d1-df1d-0410-868b-ea421aaaa00d

src/core/mixer.cpp

@@ -95,7 +95,15 @@ public:
 		{
 		}
 		JobTypes type;
-		void * job;
+		
+		union
+		{
+			playHandle * playHandleJob;
+			audioPort * audioPortJob;
+			int effectChannelJob;
+			void * job;
+		};
+		
 		volatile bool done;
 	} ;
 
@@ -159,11 +167,11 @@ private:
 					switch( it->type )
 					{
 						case PlayHandle:
-		( (playHandle *) it->job )->play();
+		it->playHandleJob->play();
 							break;
 						case AudioPortEffects:
 							{
-		audioPort * a = (audioPort *) it->job;
+		audioPort * a = it->audioPortJob;
 		bool me = a->processEffects();
 		if( a->m_bufferUsage != audioPort::NoUsage || me )
 		{
@@ -174,8 +182,8 @@ private:
 							}
 							break;
 						case EffectChannel:
-				engine::getFxMixer()->processChannel(
-						(fx_ch_t) (int) it->job );
+		engine::getFxMixer()->processChannel(
+				(fx_ch_t) it->effectChannelJob );
 						default:
 							break;
 					}

src/core/mv_base.cpp

@@ -72,14 +72,14 @@ void modelView::doConnections( void )
 	{
 		QWidget * w = dynamic_cast<QWidget *>( this );
 		QObject::connect( m_model, SIGNAL( dataChanged() ),
-				w, SLOT( update() ), Qt::QueuedConnection );
+				w, SLOT( update() ),
+				Qt::QueuedConnection );
+
 		QObject::connect( m_model, SIGNAL( propertiesChanged() ),
 				w, SLOT( update() ), Qt::QueuedConnection );
 	}
 }
 
 
-
-
 #include "mv_base.moc"
 

src/gui/song_editor.cpp

@@ -257,6 +257,12 @@ songEditor::songEditor( song * _song ) :
 					m_s, SLOT( addSampleTrack() ),
 					m_toolBar );
 
+	m_addControllerButton = new toolButton( embed::getIconPixmap(
+					"add_controller" ),
+					tr( "Add controller" ),
+					m_s, SLOT( addSampleTrack() ),
+					m_toolBar );
+
 	m_drawModeButton = new toolButton( embed::getIconPixmap(
 								"edit_draw" ),
 							tr( "Draw mode" ),
@@ -322,6 +328,7 @@ songEditor::songEditor( song * _song ) :
 	tb_layout->addSpacing( 10 );
 	tb_layout->addWidget( m_addBBTrackButton );
 	tb_layout->addWidget( m_addSampleTrackButton );
+	tb_layout->addWidget( m_addControllerButton );
 	tb_layout->addSpacing( 10 );
 	tb_layout->addWidget( m_drawModeButton );
 	tb_layout->addWidget( m_editModeButton );

src/gui/widgets/knob.cpp

@@ -287,8 +287,9 @@ void knob::contextMenuEvent( QContextMenuEvent * )
 					SLOT( openInAutomationEditor() ) );
 		contextMenu.addSeparator();
 	}
-	contextMenu.addAction( tr( "Connect to controller..." ), this,
-						SLOT( connectToController() ) );
+	contextMenu.addAction( embed::getIconPixmap( "controller" ),
+				tr( "Connect to controller..." ), this,
+				SLOT( connectToController() ) );
 	contextMenu.addSeparator();
 	contextMenu.addAction( embed::getIconPixmap( "help" ), tr( "&Help" ),
 						this, SLOT( displayHelp() ) );
@@ -586,6 +587,30 @@ void knob::connectToController( void )
 }
 
 
+void knob::friendlyUpdate( void )
+{
+	if( model()->getController() == NULL || controller::runningFrames() % (256*4) == 0 )
+	{
+		update();
+	}
+}
+
+
+void knob::doConnections( void )
+{
+	if( model() != NULL )
+	{
+		QObject::connect( model(), SIGNAL( dataChanged() ),
+				this, SLOT( friendlyUpdate() ),
+				Qt::QueuedConnection );
+
+		QObject::connect( model(), SIGNAL( propertiesChanged() ),
+				this, SLOT( update() ), Qt::QueuedConnection );
+	}
+}
+
+
+
 void knob::displayHelp( void )
 {
 	QWhatsThis::showText( mapToGlobal( rect().bottomRight() ),