Load and save controllers to project

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1015 0778d3d1-df1d-0410-868b-ea421aaaa00d

src/core/controller.cpp

@@ -35,25 +35,36 @@
 #include "mixer.h"
 #include "controller.h"
 #include "controller_dialog.h"
+#include "lfo_controller.h"
 
 
 unsigned int controller::s_frames = 0;
 QVector<controller *> controller::s_controllers;
 
-controller::controller( model * _parent ) :
-	model( _parent )
+
+
+controller::controller( ControllerTypes _type, model * _parent ) :
+	model( _parent ),
+	m_type( _type )
 {
 	s_controllers.append( this );
 }
 
 
+
 controller::~controller()
 {
+	printf("controller dtor\n");
 	s_controllers.remove( s_controllers.indexOf( this ) );
 
+	if( engine::getSong() )
+	{
+		engine::getSong()->removeController( this );
+	}
 }
 
 
+
 // Get current value, with an offset into the current buffer for sample exactness
 float controller::currentValue( int _offset )
 {
@@ -66,6 +77,7 @@ float controller::currentValue( int _offset )
 }
 
 
+
 float controller::value( int _offset )
 {
 	return 0.5f;
@@ -79,6 +91,8 @@ unsigned int controller::runningFrames()
 	return s_frames;
 }
 
+
+
 // Get position in seconds
 float controller::runningTime()
 {
@@ -86,6 +100,7 @@ float controller::runningTime()
 }
 
 
+
 void controller::triggerFrameCounter( void )
 {
 	for( int i = 0; i < s_controllers.size(); ++i ) 
@@ -101,11 +116,72 @@ void controller::triggerFrameCounter( void )
 	//emit s_signaler.triggerValueChanged();
 }
 
+
+
 void controller::resetFrameCounter( void )
 {
 	s_frames = 0;
 }
 
+
+
+controller * controller::create( ControllerTypes _ct, model * _parent )
+{
+	controller * c = NULL;
+
+	switch( _ct )
+	{
+		case LfoController: c = new lfoController( _parent ); break;
+		default: break;
+	}
+
+	return( c );
+}
+
+
+
+controller * controller::create( const QDomElement & _this, model * _parent )
+{
+	controller * c = create(
+		static_cast<ControllerTypes>( _this.attribute( "type" ).toInt() ),
+									_parent );
+	if( c != NULL )
+	{
+		c->restoreState( _this );
+	}
+
+	return( c );
+}
+
+
+
+void controller::saveSettings( QDomDocument & _doc, QDomElement & _this )
+{
+	_this.setAttribute( "type", type() );
+	_this.setAttribute( "name", name() );
+}
+
+
+
+void controller::loadSettings( const QDomElement & _this )
+{
+	if( _this.attribute( "type" ).toInt() != type() )
+	{
+		qWarning( "controller-type does not match controller-type of "
+							"settings-node!\n" );
+	}
+
+	setName( _this.attribute( "muted" ) );
+}
+
+
+QString controller::nodeName( void ) const
+{
+	return( "controller" );
+}
+
+
+
 controllerDialog * controller::createDialog( QWidget * _parent )
 {
 	controllerDialog * d = new controllerDialog( this, _parent );