update note frequency when changing base note in instrument track

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@146 0778d3d1-df1d-0410-868b-ea421aaaa00d

include/note_play_handle.h

@@ -27,6 +27,8 @@
 #ifndef _NOTE_PLAY_HANDLE_H
 #define _NOTE_PLAY_HANDLE_H
 
+#include <qobject.h>
+
 #include "play_handle.h"
 #include "basic_filters.h"
 #include "note.h"
@@ -39,12 +41,15 @@ typedef vvector<notePlayHandle *> notePlayHandleVector;
 typedef vvector<const notePlayHandle *> constNotePlayHandleVector;
 
 
-class notePlayHandle : public playHandle, public note
+class notePlayHandle : public QObject, public playHandle, public note
 {
+	Q_OBJECT
 public:
 	void * m_pluginData;
 	basicFilters<> * m_filter;
 
+	float m_frequency;
+
 	notePlayHandle( instrumentTrack * _chnl_trk, const f_cnt_t _frames_ahead,
 					const f_cnt_t _frames, const note & _n,
 					const bool _arp_note = FALSE );
@@ -191,6 +196,10 @@ private:
 					// sub-note)
 	bool m_muted;			// indicates whether note is muted
 
+
+private slots:
+	void updateFrequency( void );
+
 } ;
 
 #endif