Better functionality for ducks linked to BLine

[synfig.git] / synfig-studio / src / gtkmm / duckmatic.cpp

diff --git a/synfig-studio/src/gtkmm/duckmatic.cpp b/synfig-studio/src/gtkmm/duckmatic.cpp
index 6c5510e..c1813e7 100644 (file)
--- a/synfig-studio/src/gtkmm/duckmatic.cpp
+++ b/synfig-studio/src/gtkmm/duckmatic.cpp
@@ -562,11 +562,26 @@ DuckDrag_Translate::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector
 
        // then patch up the tangents for the vertices we've moved
        DuckList duck_list(duckmatic->get_duck_list());
-       for (iter=duck_list.begin(); iter!=duck_list.end(); ++iter)
+       for (iter=selected_ducks.begin(); iter!=selected_ducks.end(); ++iter)
        {
-               if ((*iter)->get_type() == Duck::TYPE_TANGENT || (*iter)->get_type() == Duck::TYPE_WIDTH)
+               etl::handle<Duck> duck(*iter);
+               if (duck->get_type() == Duck::TYPE_VERTEX || duck->get_type() == Duck::TYPE_POSITION)
                {
-                       (*iter)->update(time);
+                       ValueNode_Composite::Handle composite;
+
+                       if ((ValueNode_BLineCalcVertex::Handle::cast_dynamic(duck->get_value_desc().get_value_node())) ||
+                               ((composite = ValueNode_Composite::Handle::cast_dynamic(duck->get_value_desc().get_value_node())) &&
+                                composite->get_type() == ValueBase::TYPE_BLINEPOINT &&
+                                (ValueNode_BLineCalcVertex::Handle::cast_dynamic(composite->get_link("point")))))
+                       {
+                               //! \todo update() will call dynamic cast again, see if we can avoid that
+                               DuckList::iterator iter;
+                               for (iter=duck_list.begin(); iter!=duck_list.end(); iter++)
+                                       if ((*iter)->get_origin_duck()==duck 
+                                               && std::find(selected_ducks.begin(), 
+                                                                        selected_ducks.end(), *iter) == selected_ducks.end() )
+                                               (*iter)->update(time);
+                       }
                }
        }