Timeline: Fix insertion of control points and copying of all sequence widgets.

timeline/src/Annotation_Point.H

@@ -69,12 +69,14 @@ public:
 
     Annotation_Point ( Sequence *sequence, nframes_t when, const char *label )
         {
-            _sequence = sequence;
+            _sequence = NULL;
 
             _r->start = when;
 
             _label = strdup( label );
 
+            sequence->add( this );
+
             log_create();
         }
 

timeline/src/Annotation_Region.C

@@ -53,7 +53,7 @@ Annotation_Region::set ( Log_Entry &e )
 
 Annotation_Region::Annotation_Region ( Sequence *sequence, nframes_t when, const char *label )
 {
-    _sequence = sequence;
+    _sequence = NULL;
 
     _r->start = when;
 
@@ -62,6 +62,8 @@ Annotation_Region::Annotation_Region ( Sequence *sequence, nframes_t when, const
 
     _label = strdup( label );
 
+    sequence->add( this );
+
     log_create();
 }
 

timeline/src/Annotation_Sequence.H

@@ -107,15 +107,13 @@ public:
 
                     if ( Fl::event_button1() )
                     {
-                        add( new Annotation_Point( this, x_to_offset( Fl::event_x() - drawable_x() ), "mark" ) );
+                        new Annotation_Point( this, x_to_offset( Fl::event_x() - drawable_x() ), "mark" );
                         redraw();
                     }
                     if ( Fl::event_button3() && Fl::event_shift() )
                     {
                         Annotation_Region *r = new Annotation_Region( this, x_to_offset( Fl::event_x() - drawable_x() ), "mark" );
 
-                        add( r );
-
                         Sequence_Widget::pushed( r );
 
                         r->handle( m );

timeline/src/Control_Point.C

@@ -25,11 +25,13 @@
 
 Control_Point::Control_Point ( Sequence *t, nframes_t when, float y )
 {
-    _sequence = t;
+    _sequence = NULL;
     _y = y;
     _r->start = when;
     _box_color = FL_WHITE;
 
+    t->add( this );
+
     log_create();
 }
 

timeline/src/Control_Sequence.C

@@ -756,11 +756,9 @@ Control_Sequence::handle ( int m )
                 /* insert new control point */
                 timeline->wrlock();
 
-                Control_Point *r = new Control_Point( this, timeline->xoffset + timeline->x_to_ts( Fl::event_x() - drawable_x() ), (float)(Fl::event_y() - y()) / h() );
-
-                add( r );
-
-               timeline->unlock();
+                new Control_Point( this, timeline->xoffset + timeline->x_to_ts( Fl::event_x() - drawable_x() ), (float)(Fl::event_y() - y()) / h() );
+                
+                timeline->unlock();
 
                 return 1;
             }

timeline/src/Cursor_Region.C

@@ -89,8 +89,8 @@ Cursor_Region::Cursor_Region ( nframes_t when, nframes_t length, const char *typ
 
 Cursor_Region::Cursor_Region ( const Cursor_Region &rhs ) : Sequence_Region( rhs )
 {
-    _label = strdup( rhs._label );
-    _type = strdup( rhs._type );
+    _label = rhs._label ? strdup( rhs._label ) : NULL;
+    _type = rhs._type ? strdup( rhs._type ) : NULL;
 
     log_create();
 }

timeline/src/Sequence_Widget.C

@@ -62,7 +62,6 @@ Sequence_Widget::Sequence_Widget ( const Sequence_Widget &rhs ) : Loggable( rhs
     else
         _label = 0;
 
-    _sequence = rhs._sequence;
 
     _range = rhs._range;
     _dragging_range = rhs._dragging_range;
@@ -70,6 +69,11 @@ Sequence_Widget::Sequence_Widget ( const Sequence_Widget &rhs ) : Loggable( rhs
 
     _color = rhs._color;
     _box_color = rhs._box_color;
+    
+    _sequence = NULL;
+
+    if ( rhs._sequence )
+        rhs._sequence->add( this );
 };
 
 const Sequence_Widget &