Tracks are virtual, so use Fl_Widget instead of Fl_Group as base class.

Control_Track.H

@@ -44,7 +44,7 @@ public:
 
             fl_push_clip( x(), y(), w(), h() );
 
-            Fl_Group::draw();
+            draw_box();
 
             int X, Y, W, H;
 

Timeline.C

@@ -114,7 +114,7 @@ Timeline::Timeline ( int X, int Y, int W, int H, const char* L ) : Fl_Overlay_Wi
             o->align( FL_ALIGN_LEFT );
 
             tempo_track = o;
-            o->end();
+//            o->end();
 
         }
 
@@ -130,7 +130,7 @@ Timeline::Timeline ( int X, int Y, int W, int H, const char* L ) : Fl_Overlay_Wi
             o->align( FL_ALIGN_LEFT );
 
             time_track = o;
-            o->end();
+            //          o->end();
 
         }
 

Track.C

@@ -29,6 +29,25 @@ queue <Track_Widget *> Track::_delete_queue;
 Track_Widget *Track::_pushed = NULL;
 Track_Widget *Track::_belowmouse = NULL;
 
+Track::Track ( int X, int Y, int W, int H ) : Fl_Widget( X, Y, W, H )
+{
+    _name = NULL;
+
+    box( FL_DOWN_BOX );
+    color( fl_darker( FL_GRAY ) );
+    align( FL_ALIGN_LEFT );
+
+    log_create();
+}
+
+Track::~Track (  )
+{
+    /* FIXME: what to do with regions? */
+    parent()->redraw();
+    parent()->remove( this );
+    log_destroy();
+}
+
 void
 Track::sort ( void )
 {
@@ -61,7 +80,7 @@ Track::draw ( void )
 
     fl_push_clip( x(), y(), w(), h() );
 
-    Fl_Group::draw();
+    draw_box();
 
     int X, Y, W, H;
 
@@ -332,7 +351,7 @@ Track::handle ( int m )
                 return retval;
             }
             else
-                return Fl_Group::handle( m );
+                return Fl_Widget::handle( m );
         }
     }
 }

Track.H

@@ -19,6 +19,7 @@
 
 #pragma once
 
+#include <FL/Fl_Widget.H>
 #include <FL/Fl_Group.H>
 #include <FL/Fl.H>
 // #include "Region.H"
@@ -36,7 +37,10 @@ using namespace std;
 class Region;
 class Track_Widget;
 
-class Track : public Fl_Group, public Loggable
+
+/* This is the base class for all track types. */
+
+class Track : public Fl_Widget, public Loggable
 {
 
     char *_name;
@@ -82,41 +86,14 @@ protected:
 public:
 
 
-    Track ( int X, int Y, int W, int H ) : Fl_Group( X, Y, W, H )
+    Track ( int X, int Y, int W, int H );
-        {
+    virtual ~Track (  );
-            _name = NULL;
-
-            box( FL_DOWN_BOX );
-            color( fl_darker( FL_GRAY ) );
-
-            end();
-
-            log_create();
-        }
-
-/*     const Track & operator= ( const Track & rhs ) */
-/*         { */
-/*             if ( *this = rhs ) */
-/*                 return; */
-
-/*         } */
-
-    virtual ~Track (  )
-        {
-            /* FIXME: what to do with regions? */
-            parent()->redraw();
-            parent()->remove( this );
-            log_destroy();
-        }
-
-
-
 
     static Track_Widget *pushed ( void )  { return _pushed; };
     static Track_Widget *belowmouse ( void )  { return _belowmouse; };
 
     const char * name ( void ) const { return _name; }
-    void name ( char *s ) { if ( _name ) free( _name ); _name = s; }
+    void name ( char *s ) { if ( _name ) free( _name ); _name = s; label( _name ); }
 
     void sort ( void );
 

Track_Header.C

@@ -252,6 +252,8 @@ Track_Header::size ( int v )
     resize();
 }
 
+
+
 void
 Track_Header::track( Track * t )
 {

Track_Header.H

@@ -212,13 +212,17 @@ public:
 
     void add ( Track * t )
         {
-            takes->add( t );
+            takes->insert( *t, 0 );
+            if ( ! t->name() )
+            {
                 char pat[20];
                 snprintf( pat, sizeof( pat ), "%d", takes->children() );
                 t->name( strdup( pat ) );
                 take_menu->add( t->name() );
             }
 
+        }
+
     void remote ( Track *t )
         {
             takes->remove( t );

Track_Widget.H

@@ -139,7 +139,7 @@ public:
 
     int dispatch ( int m );
 
-    Fl_Group * parent ( void ) const { return _track; }
+    Fl_Widget * parent ( void ) const { return _track; }
 
     int scroll_x ( void ) const { return timeline->ts_to_x( timeline->xoffset ); }
     nframes_t scroll_ts ( void ) const { return timeline->xoffset; }