Basic controller deletion support

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1491 0778d3d1-df1d-0410-868b-ea421aaaa00d

src/core/automatable_model.cpp

@@ -413,6 +413,9 @@ void automatableModel::setControllerConnection( controllerConnection * _c )
 		QObject::connect( m_controllerConnection,
 						SIGNAL( valueChanged() ),
 					this, SIGNAL( dataChanged() ) );
+		QObject::connect( m_controllerConnection,
+						SIGNAL( destroyed() ),
+					this, SLOT( unlinkControllerConnection() ) );
 		emit dataChanged();
 	}
 }
@@ -420,6 +423,19 @@ void automatableModel::setControllerConnection( controllerConnection * _c )
 
 
 
+void automatableModel::unlinkControllerConnection( void )
+{
+	if( m_controllerConnection )
+	{
+		m_controllerConnection->disconnect( this );
+	}
+
+	m_controllerConnection = NULL;
+}
+
+
+
+
 void automatableModel::setInitValue( const float _value )
 {
 	m_initValue = _value;

src/core/controller.cpp

@@ -74,7 +74,7 @@ controller::~controller()
 		engine::getSong()->removeController( this );
 	}
 
-	// TODO: Remove connections
+	// Remove connections by destroyed signal
 }
 
 

src/core/controller_connection.cpp

@@ -97,22 +97,29 @@ void controllerConnection::setController( controller * _controller )
 
 	if( !_controller )
 	{
-        m_controller = controller::create( controller::DummyController, NULL );
+		m_controller = controller::create( controller::DummyController, NULL );
 	}
 	else
 	{
 		m_controller = _controller;
 	}
-    m_controllerId = -1;
+	m_controllerId = -1;
 
-    if( _controller->type() != controller::DummyController )
+	if( _controller->type() != controller::DummyController )
 	{
-        QObject::connect( _controller, SIGNAL( valueChanged() ),
-                this, SIGNAL( valueChanged() ) );
-    }
+		QObject::connect( _controller, SIGNAL( valueChanged() ),
+				this, SIGNAL( valueChanged() ) );
+	}
 
 	m_ownsController = 
 			( _controller->type() == controller::MidiController );
+
+	// If we don't own the controller, allow deletion of controller
+	// to delete the connection
+	if( !m_ownsController ) {
+		QObject::connect( _controller, SIGNAL( destroyed() ),
+				this, SLOT( deleteConnection() ) );
+	}
 }
 
 
@@ -194,7 +201,10 @@ void controllerConnection::loadSettings( const QDomElement & _this )
 }
 
 
-
+void controllerConnection::deleteConnection( void )
+{
+	delete this;
+}
 
 QString controllerConnection::nodeName( void ) const
 {

src/gui/widgets/controller_rack_view.cpp

@@ -149,23 +149,16 @@ void controllerRackView::moveDown( effectView * _view )
 }*/
 
 
-/*
-
-void controllerRackView::deletePlugin( effectView * _view )
+void controllerRackView::deleteController( controllerView * _view )
 {
 	
-	effect * e = _view->getEffect();
-	m_effectViews.erase( qFind( m_effectViews.begin(), m_effectViews.end(),
-								_view ) );
+	controller * c = _view->getController();
+	m_controllerViews.erase( qFind( m_controllerViews.begin(), 
+				m_controllerViews.end(), _view ) );
 	delete _view;
-	fxChain()->m_effects.erase( qFind( fxChain()->m_effects.begin(),
-						fxChain()->m_effects.end(),
-									e ) );
-	delete e;
+	delete c;
 	update();
-	
 }
-*/
 
 
 
@@ -188,6 +181,11 @@ void controllerRackView::update( void )
 	for( i = 0; i < s->m_controllers.size(); ++i )
 	{
 		controllerView * v = new controllerView( s->m_controllers[i], w );
+
+		connect( v, SIGNAL( deleteController( controllerView * ) ),
+			this, SLOT( deleteController( controllerView * ) ),
+						Qt::QueuedConnection );
+
 		m_controllerViews.append( v );
 		v->move( 0, i*32 );
 		v->show();

src/gui/widgets/controller_view.cpp

@@ -124,15 +124,13 @@ void controllerView::closeControls( void )
 }
 
 
-
-
-void controllerView::contextMenuEvent( QContextMenuEvent * )
+void controllerView::deleteController()
 {
+	emit( deleteController( this ) );
 }
 
 
 
-
 void controllerView::paintEvent( QPaintEvent * )
 {
 	QPainter p( this );
@@ -178,6 +176,33 @@ void controllerView::modelChanged( void )
 }
 
 
+
+void controllerView::contextMenuEvent( QContextMenuEvent * )
+{
+	QPointer<captionMenu> contextMenu = new captionMenu(
+						getModel()->displayName() );
+	/*
+	contextMenu->addAction( embed::getIconPixmap( "arp_up" ),
+						tr( "Move &up" ),
+						this, SLOT( moveUp() ) );
+	contextMenu->addAction( embed::getIconPixmap( "arp_down" ),
+						tr( "Move &down" ),
+						this, SLOT( moveDown() ) );
+	contextMenu->addSeparator();
+	*/
+	contextMenu->addAction( embed::getIconPixmap( "cancel" ),
+						tr( "&Remove this plugin" ),
+						this, SLOT( deleteController() ) );
+	contextMenu->addSeparator();
+	contextMenu->addAction( embed::getIconPixmap( "help" ),
+						tr( "&Help" ),
+						this, SLOT( displayHelp() ) );
+	contextMenu->exec( QCursor::pos() );
+	delete contextMenu;
+}
+
+
+
 #include "moc_controller_view.cxx"
 
 #endif