added knob id

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@145 0778d3d1-df1d-0410-868b-ea421aaaa00d

include/knob.h

@@ -64,7 +64,8 @@ class knob : public QWidget, public automatableObject<float>
 	Q_OBJECT
 public:
 	knob( int _knob_num, QWidget * _parent, const QString & _name,
-							engine * _engine );
+						engine * _engine,
+						const int _knob_id = 0 );
 	virtual ~knob();
 
     
@@ -97,10 +98,11 @@ public slots:
 
 signals:
 	void valueChanged( float value );
+	void idKnobChanged( int id );
 	void sliderPressed( void );
 	void sliderReleased( void );
 	void sliderMoved( float value );
-    
+
 
 protected:
 	virtual void contextMenuEvent( QContextMenuEvent * _me );
@@ -156,6 +158,7 @@ protected:
 
 
 	float m_initValue;
+	const int m_knobId;
 
 } ;
 

include/volume_knob.h

@@ -44,7 +44,7 @@ class volumeKnob: public knob
 	Q_OBJECT
 public:
 	volumeKnob( int _knob_num, QWidget * _parent, const QString & _name,
-		    engine * _engine );
+		    engine * _engine, const int _knob_id = 0 );
 	~volumeKnob();
 
 public slots:

src/widgets/knob.cpp

@@ -86,7 +86,8 @@ textFloat * knob::s_textFloat = NULL;
 
 
 knob::knob( int _knob_num, QWidget * _parent, const QString & _name,
-							engine * _engine ) :
+							engine * _engine,
+							const int _knob_id ) :
 	QWidget( _parent
 #ifndef QT4
 			, _name.ascii()
@@ -100,7 +101,8 @@ knob::knob( int _knob_num, QWidget * _parent, const QString & _name,
 	m_hintTextBeforeValue( "" ),
 	m_hintTextAfterValue( "" ),
 	m_label( "" ),
-	m_initValue( 0.0f )
+	m_initValue( 0.0f ),
+	m_knobId( _knob_id )
 {
 	if( s_textFloat == NULL )
 	{
@@ -246,6 +248,7 @@ void knob::valueChange( void )
 	recalcAngle();
 	update();
 	emit valueChanged( value() );
+	emit idKnobChanged( m_knobId );
 }
 
 
@@ -458,6 +461,7 @@ void knob::mouseMoveEvent( QMouseEvent * _me )
 	{
 		setPosition( _me->pos() );
 		emit sliderMoved( value() );
+		emit idKnobChanged( m_knobId );
 		if( !configManager::inst()->value( "knobs",
 						"classicalusability").toInt() )
 		{
@@ -572,6 +576,7 @@ void knob::wheelEvent( QWheelEvent * _we )
 	s_textFloat->setVisibilityTimeOut( 1000 );
 
 	emit sliderMoved( value() );
+	emit idKnobChanged( m_knobId );
 }
 
 
@@ -580,6 +585,7 @@ void knob::wheelEvent( QWheelEvent * _we )
 void knob::buttonReleased( void )
 {
 	emit valueChanged( value() );
+	emit idKnobChanged( m_knobId );
 }
 
 

src/widgets/volume_knob.cpp

@@ -48,8 +48,8 @@
 
 
 volumeKnob::volumeKnob( int _knob_num, QWidget * _parent, const QString & _name,
-							engine * _engine ):
-	knob( _knob_num, _parent, _name, _engine )
+					engine * _engine, const int _knob_id ):
+	knob( _knob_num, _parent, _name, _engine, _knob_id )
 {
 }
 
@@ -129,6 +129,7 @@ void volumeKnob::mouseMoveEvent( QMouseEvent * _me )
 	{
 		setPosition( _me->pos() );
 		emit sliderMoved( value() );
+		emit idKnobChanged( m_knobId );
 		if( !configManager::inst()->value( "knobs",
 		     "classicalusability").toInt() )
 		{
@@ -180,6 +181,7 @@ void volumeKnob::wheelEvent( QWheelEvent * _we )
 	s_textFloat->setVisibilityTimeOut( 1000 );
 
 	emit sliderMoved( value() );
+	emit idKnobChanged( m_knobId );
 }