Timeline: Fix rare issue where moving the mouse over a region while recording at just the right moment could cause a spurious SET action to be written to the history.

timeline/src/Audio_Region.C

@@ -822,6 +822,10 @@ Audio_Region::handle ( int m )
     static bool copied = false;
     static nframes_t os;
 
+    if ( !active_r() )
+	/* don't mess with anything while recording... */
+	return 0;
+    
     int X = Fl::event_x();
     int Y = Fl::event_y();
     

timeline/src/Sequence_Region.C

@@ -19,6 +19,7 @@
 
 #include "Sequence_Region.H"
 #include "Track.H"
+#include "debug.h"
 
 #include <stdint.h>
 
@@ -142,6 +143,10 @@ Sequence_Region::handle ( int m )
     int X = Fl::event_x();
     int Y = Fl::event_y();
 
+    if ( !active_r() )
+	/* don't mess with anything while recording... */
+	return 0;
+	
     Logger _log( this );
 
     switch ( m )

timeline/src/Sequence_Widget.C

@@ -391,6 +391,10 @@ Sequence_Widget::handle ( int m )
     int X = Fl::event_x();
     int Y = Fl::event_y();
 
+    if ( !active_r() )
+	/* don't mess with anything while recording... */
+	return 0;
+    
     Logger _log( this );
 
     switch ( m )

timeline/src/Track.C

@@ -1059,6 +1059,9 @@ Track::draw ( void )
 int
 Track::handle ( int m )
 {
+    if ( !active_r() )
+	/* don't mess with anything while recording... */
+	return 0;
     
 /*     if ( m != FL_NO_EVENT ) */
 /*         DMESSAGE( "%s", event_name( m ) ); */