improved MIDI-support

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@429 0778d3d1-df1d-0410-868b-ea421aaaa00d

include/instrument.h

@@ -55,6 +55,7 @@
 // forward-declarations
 class instrumentTrack;
 class notePlayHandle;
+class midiEvent;
 
 
 class instrument : public QWidget, public plugin
@@ -98,6 +99,14 @@ public:
 		return( TRUE );
 	}
 
+	// sub-classes can re-implement this for receiving all incoming
+	// MIDI-events except NoteOn and NoteOff
+	inline virtual bool handleMidiEvent( const midiEvent & _me,
+						const midiTime & _time )
+	{
+		return( FALSE );
+	}
+
 	// instantiate instrument-plugin with given name or return NULL
 	// on failure
 	static instrument * FASTCALL instantiate( const QString & _plugin_name,