Use range-based for loops + fix const correctness

include/Controller.h

@@ -130,6 +130,7 @@ public:
 	void removeConnection( ControllerConnection * );
 	int connectionCount() const;
 
+	bool hasModel( const Model * m ) const;
 
 public slots:
 	virtual ControllerDialog * createDialog( QWidget * _parent );
@@ -139,8 +140,6 @@ public slots:
 		m_name = _new_name;
 	}
 
-	bool hasModel( const Model * m );
-
 
 protected:
 	// The internal per-controller get-value function

include/GroupBox.h

@@ -70,7 +70,6 @@ private:
 } ;
 
 
-typedef BoolModel groupBoxModel;
 
 
 #endif

src/core/Controller.cpp

@@ -63,11 +63,9 @@ Controller::Controller( ControllerTypes _type, Model * _parent,
 
 			// Check if name is already in use
 			bool name_used = false;
-			QVector<Controller *>::const_iterator it;
-			for ( it = s_controllers.constBegin();
-				  it != s_controllers.constEnd(); ++it )
+			for (Controller * controller : s_controllers)
 			{
-				if ( (*it)->name() == new_name )
+				if ( controller->name() == new_name )
 				{
 					name_used = true;
 					break;
@@ -157,13 +155,13 @@ float Controller::runningTime()
 
 void Controller::triggerFrameCounter()
 {
-	for( int i = 0; i < s_controllers.size(); ++i ) 
+	for (Controller * controller : s_controllers)
 	{
 		// This signal is for updating values for both stubborn knobs and for
 		// painting.  If we ever get all the widgets to use or at least check
 		// currentValue() then we can throttle the signal and only use it for
 		// GUI.
-		emit s_controllers.at(i)->valueChanged();
+		emit controller->valueChanged();
 	}
 
 	s_periods ++;
@@ -174,10 +172,10 @@ void Controller::triggerFrameCounter()
 
 void Controller::resetFrameCounter()
 {
-	for( int i = 0; i < s_controllers.size(); ++i ) 
+	for (Controller * controller : s_controllers)
 	{
-		s_controllers.at( i )->m_bufferLastUpdated = 0;
-	} 
+		controller->m_bufferLastUpdated = 0;
+	}
 	s_periods = 0;
 }
 
@@ -190,15 +188,11 @@ Controller * Controller::create( ControllerTypes _ct, Model * _parent )
 
 	switch( _ct )
 	{
-		case Controller::DummyController: 
-			if( dummy )
-				c = dummy;
-			else
-			{
-				c = new Controller( DummyController, NULL,
+		case Controller::DummyController:
+			if (!dummy)
+				dummy = new Controller( DummyController, NULL,
 								QString() );
-				dummy = c;
-			}
+			c = dummy;
 			break;
 
 		case Controller::LfoController:
@@ -247,12 +241,10 @@ Controller * Controller::create( const QDomElement & _this, Model * _parent )
 
 
 
-bool Controller::hasModel( const Model * m )
+bool Controller::hasModel( const Model * m ) const
 {
-	QObjectList chldren = children();
-	for( int i = 0; i < chldren.size(); ++i )
+	for (QObject * c : children())
 	{
-		QObject * c = chldren.at(i);
 		AutomatableModel * am = qobject_cast<AutomatableModel*>(c);
 		if( am != NULL )
 		{
@@ -262,16 +254,13 @@ bool Controller::hasModel( const Model * m )
 			}
 
 			ControllerConnection * cc = am->controllerConnection();
-			if( cc != NULL )
+			if( cc != NULL && cc->getController()->hasModel( m ) )
 			{
-				if( cc->getController()->hasModel( m ) )
-				{
-					return true;
-				}
+				return true;
 			}
 		}
 	}
-	
+
 	return false;
 }
 

src/gui/ControllerConnectionDialog.cpp

@@ -189,12 +189,11 @@ ControllerConnectionDialog::ControllerConnectionDialog( QWidget * _parent,
 	m_userController = new ComboBox( m_userGroupBox, "Controller" );
 	m_userController->setGeometry( 10, 24, 200, 22 );
 
-	for( int i = 0; i < Engine::getSong()->controllers().size(); ++i )
+	for (Controller * c : Engine::getSong()->controllers())
 	{
-		Controller * c = Engine::getSong()->controllers().at( i );
 		m_userController->model()->addItem( c->name() );
 	}
-	
+
 
 	// Mapping functions
 	m_mappingBox = new TabWidget( tr( "MAPPING FUNCTION" ), this );