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: