Clean up region splitting code.

Timeline/Audio_Region.C

@@ -645,6 +645,22 @@ Audio_Region::draw ( void )
 
 }
 
+/** split region at absolute frame /where/ */
+void
+Audio_Region::split ( nframes_t where )
+{
+    nframes_t old_fade_in = _fade_in.length;
+
+    _fade_in.length = 256;
+
+    Audio_Region *copy = new Audio_Region( *this );
+
+    _fade_in.length = old_fade_in;
+    _fade_out.length = 256;
+
+    Sequence_Region::split( copy, where );
+}
+
 int
 Audio_Region::handle ( int m )
 {
@@ -679,19 +695,7 @@ Audio_Region::handle ( int m )
                 {
                     Loggable::block_start();
 
-                    nframes_t old_fade_in = _fade_in.length;
-                    _fade_in.length = 256;
-
-                    Audio_Region *copy = new Audio_Region( *this );
-
-                    _fade_in.length = old_fade_in;
-
-                    trim( RIGHT, X );
-                    copy->trim( LEFT, X );
-
-                    _fade_out.length = 256;
-
-                    sequence()->add( copy );
+                    split( timeline->x_to_offset( X ) );
 
                     log_end();
 

Timeline/Audio_Region.H

@@ -154,6 +154,7 @@ public:
     Fl_Align align ( void ) const { return  (Fl_Align)(FL_ALIGN_LEFT | FL_ALIGN_BOTTOM /*| FL_ALIGN_CLIP*/ | FL_ALIGN_INSIDE); }
 
     void normalize ( void );
+    void split ( nframes_t where );
 
     /* Engine */
     nframes_t read ( sample_t *buf, nframes_t pos, nframes_t nframes, int channel ) const;

Timeline/Sequence_Region.C

@@ -124,6 +124,17 @@ Sequence_Region::trim ( enum trim_e t, int X )
     }
 }
 
+/** split region at absolute frame /where/. due to inheritance issues,
+ * the copy must be made in the derived classed and passed in */
+void
+Sequence_Region::split ( Sequence_Region * copy, nframes_t where )
+{
+    trim_right( where );
+    copy->trim_left( where );
+    sequence()->add( copy );
+}
+
+
 #include "FL/test_press.H"
 
 int

Timeline/Sequence_Region.H

@@ -51,4 +51,5 @@ public:
     enum trim_e { NO, LEFT, RIGHT };
     void trim ( enum trim_e t, int X );
 
+    void split ( Sequence_Region *copy, nframes_t where );
 };