Remove spaces and tabs at end of lines.
[synfig.git] / synfig-studio / trunk / src / gtkmm / state_draw.cpp
index e00baa3..9c55193 100644 (file)
@@ -62,6 +62,8 @@
 #include <gtkmm/scale.h>
 #include <sigc++/connection.h>
 
+#include "general.h"
+
 #endif
 
 /* === U S I N G =========================================================== */
@@ -97,7 +99,7 @@ class studio::StateDraw_Context : public sigc::trackable
        bool prev_workarea_layer_status_;
 
        int nested;
-       SigC::Connection process_queue_connection;
+       sigc::connection process_queue_connection;
 
        ValueNode_BLine::Handle last_stroke;
        synfig::String last_stroke_id;
@@ -113,6 +115,7 @@ class studio::StateDraw_Context : public sigc::trackable
        Duckmatic::Type old_duckmask;
 
        void fill_last_stroke();
+       Smach::event_result fill_last_stroke_and_unselect_other_layers();
 
        Smach::event_result new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline_flag,float radius);
 
@@ -366,12 +369,15 @@ StateDraw_Context::increment_id()
        if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
        {
                // figure out how many digits it is
-               for(digits=0;(int)id.size()-1>=digits && id[id.size()-1-digits]<='9' && id[id.size()-1-digits]>='0';digits++)while(false);
+               for (digits = 0;
+                        (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
+                        digits++)
+                       ;
 
                String str_number;
                str_number=String(id,id.size()-digits,id.size());
                id=String(id,0,id.size()-digits);
-               synfig::info("---------------- \"%s\"",str_number.c_str());
+               // synfig::info("---------------- \"%s\"",str_number.c_str());
 
                number=atoi(str_number.c_str());
        }
@@ -404,8 +410,8 @@ StateDraw_Context::StateDraw_Context(CanvasView* canvas_view):
        checkbutton_auto_loop(_("Auto Loop")),
        checkbutton_auto_extend(_("Auto Extend")),
        checkbutton_auto_link(_("Auto Link")),
-       checkbutton_region(_("Create Region")),
-       checkbutton_outline(_("Create Outline")),
+       checkbutton_region(_("Create Region BLine")),
+       checkbutton_outline(_("Create Outline BLine")),
        checkbutton_auto_export(_("Auto Export")),
        button_fill_last_stroke(_("Fill Last Stroke")),
        adj_min_pressure(0,0,1,0.01,0.1),
@@ -419,32 +425,30 @@ StateDraw_Context::StateDraw_Context(CanvasView* canvas_view):
        check_localerror(_("LocalError"))
 
 {
-       synfig::info("STATE SKETCH: entering state");
-
        nested=0;
        load_settings();
 
        UpdateErrorBox();
 
-       //options_table.attach(*manage(new Gtk::Label(_("Draw Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(entry_id,                                                          0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_region,                                        0, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_outline,                                       0, 2,  3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_auto_loop,                                     0, 2,  4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_auto_extend,                           0, 2,  5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_auto_link,                                     0, 2,  6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_auto_export,                           0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_pressure_width,                        0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(check_localerror,                                          0, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(*manage(new Gtk::Label(_("Draw Tool"))),   0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(entry_id,                                                                  0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(checkbutton_outline,                                               0, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(checkbutton_region,                                                0, 2,  3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(checkbutton_auto_loop,                                             0, 2,  4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(checkbutton_auto_extend,                                   0, 2,  5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(checkbutton_auto_link,                                             0, 2,  6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(checkbutton_auto_export,                                   0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(checkbutton_pressure_width,                                0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(check_localerror,                                                  0, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 
-       options_table.attach(check_min_pressure,                                        0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(spin_min_pressure,                                         1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(check_min_pressure,                                                0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(spin_min_pressure,                                                 1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 
-       options_table.attach(*manage(new Gtk::Label(_("Smooth"))),      0, 1, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(spin_globalthres,                                          1, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(*manage(new Gtk::Label(_("Smooth"))),              0, 1, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(spin_globalthres,                                                  1, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 
-       options_table.attach(*manage(new Gtk::Label(_("Feather"))), 0, 1, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(spin_feather,                                                      1, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(*manage(new Gtk::Label(_("Feather"))),     0, 1, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(spin_feather,                                                              1, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 
        //options_table.attach(button_fill_last_stroke, 0, 2, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 
@@ -521,10 +525,7 @@ StateDraw_Context::refresh_tool_options()
        )->signal_clicked().connect(
                sigc::mem_fun(
                        *this,
-                       &StateDraw_Context::fill_last_stroke
-               )
-       );
-
+                       &StateDraw_Context::fill_last_stroke));
 }
 
 Smach::event_result
@@ -588,9 +589,6 @@ StateDraw_Context::event_mouse_down_handler(const Smach::event& x)
                        return Smach::RESULT_ACCEPT;
                }
 
-       case BUTTON_RIGHT: // Intercept the right-button click to short-circuit the pop-up menu
-               return Smach::RESULT_ACCEPT;
-
        default:
                return Smach::RESULT_OK;
        }
@@ -712,14 +710,16 @@ StateDraw_Context::process_stroke(StrokeData stroke_data, WidthData width_data,
        }
 
        // If the start and end points are similar, then make them the same point
-       if(get_auto_loop_flag() &&
-          bline.size()>2&&(bline.front().get_vertex()-bline.back().get_vertex()).mag()<=radius)
+       if (get_auto_loop_flag() &&
+               bline.size() > 2 &&
+               (bline.front().get_vertex() - bline.back().get_vertex()).mag() <= radius)
        {
                loop_bline_flag=true;
                Vector tangent;
                Real width(0);
 
-               while(bline.size()>2&&(bline.front().get_vertex()-bline.back().get_vertex()).mag()<=radius)
+               while (bline.size() > 2 &&
+                          (bline.front().get_vertex() - bline.back().get_vertex()).mag() <= radius)
                {
                        tangent=bline.back().get_tangent1();
                        width=bline.back().get_width();
@@ -749,8 +749,15 @@ StateDraw_Context::process_stroke(StrokeData stroke_data, WidthData width_data,
        }
 
        // If the bline only has one blinepoint, then there is nothing to do.
-       if(bline.size()<=1)
+       if(bline.size() < 2)
+       {
+               // hide the 'stroke' line we were drawing, unless the user
+               // explicitly requests that they are kept
+               if (!getenv("SYNFIG_KEEP_ABORTED_DRAW_LINES"))
+                       refresh_ducks();
+
                return Smach::RESULT_OK;
+       }
 
        if(region_flag)
                return new_region(bline,radius);
@@ -761,11 +768,13 @@ StateDraw_Context::process_stroke(StrokeData stroke_data, WidthData width_data,
 Smach::event_result
 StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline_flag,float radius)
 {
+       synfigapp::SelectionManager::LayerList layer_list = get_canvas_view()->get_selection_manager()->get_selected_layers();
+
        // Create the action group
        synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Sketch BLine"));
 
-       bool shift_offset = false;
-       Vector shift_offset_vector;
+       bool shift_origin = false;
+       Vector shift_origin_vector;
        bool join_start_no_extend=false,join_finish_no_extend=false;
        synfigapp::ValueDesc start_duck_value_desc,finish_duck_value_desc;
        bool extend_start=false,extend_finish=false,complete_loop=false;
@@ -801,8 +810,8 @@ StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline
                           (start_duck_index==0||start_duck_index==start_duck_value_node_bline->link_count()-1))
                        {
                                extend_start=true;
-                               shift_offset=true;
-                               shift_offset_vector=start_duck->get_origin();
+                               shift_origin=true;
+                               shift_origin_vector=start_duck->get_origin();
                        }
                }while(0);
 
@@ -822,6 +831,7 @@ StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline
                        // don't extend looped blines
                        if(finish_duck_value_node_bline&&!finish_duck_value_node_bline->get_loop()&&
                           (finish_duck_index==0||finish_duck_index==finish_duck_value_node_bline->link_count()-1))
+                       {
                                if(extend_start)
                                {
                                        // we've started and finished drawing at the end of a bline.  we can't
@@ -831,9 +841,10 @@ StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline
                                                complete_loop=extend_finish=true;
                                }else{
                                        extend_finish=true;
-                                       shift_offset=true;
-                                       shift_offset_vector=finish_duck->get_origin();
+                                       shift_origin=true;
+                                       shift_origin_vector=finish_duck->get_origin();
                                }
+                       }
                }while(0);
 
                // if the new line's start didn't extend an existing line,
@@ -845,10 +856,10 @@ StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline
                                start_duck_value_desc=synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(start_duck_value_desc.get_value_node()),0);
                                // fall through
                        case synfig::ValueBase::TYPE_VECTOR:
-                               if (shift_offset && shift_offset_vector != start_duck->get_origin())
+                               if (shift_origin && shift_origin_vector != start_duck->get_origin())
                                        break;
-                               shift_offset = true;
-                               shift_offset_vector = start_duck->get_origin();
+                               shift_origin = true;
+                               shift_origin_vector = start_duck->get_origin();
                                get_canvas_interface()->auto_export(start_duck_value_desc);
                                if (extend_finish)
                                        if(start_duck_value_node_bline&&start_duck_value_node_bline==finish_duck_value_node_bline)
@@ -870,10 +881,10 @@ StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline
                                finish_duck_value_desc=synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(finish_duck_value_desc.get_value_node()),0);
                                // fall through
                        case synfig::ValueBase::TYPE_VECTOR:
-                               if (shift_offset && shift_offset_vector != finish_duck->get_origin())
+                               if (shift_origin && shift_origin_vector != finish_duck->get_origin())
                                        break;
-                               shift_offset = true;
-                               shift_offset_vector = finish_duck->get_origin();
+                               shift_origin = true;
+                               shift_origin_vector = finish_duck->get_origin();
                                get_canvas_interface()->auto_export(finish_duck_value_desc);
                                if(extend_start)
                                        if(finish_duck_value_node_bline&&start_duck_value_node_bline==finish_duck_value_node_bline)
@@ -911,14 +922,19 @@ StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline
                                ) -new_vertex
                        );
 
-                       if (shift_offset)
-                               new_vertex=new_vertex-shift_offset_vector;
+                       if (shift_origin)
+                               new_vertex=new_vertex-shift_origin_vector;
 
                        bline_point.set_vertex(new_vertex);
 
                        trans_bline.push_back(bline_point);
                }
                value_node=ValueNode_BLine::create(synfig::ValueBase(trans_bline,loop_bline_flag));
+
+               Canvas::Handle canvas(get_canvas_view()->get_canvas());
+               Layer::Handle layer(get_canvas_view()->get_selection_manager()->get_selected_layer());
+               if (layer) canvas=layer->get_canvas();
+               value_node->set_member_canvas(canvas);
        }
 
        Smach::event_result result;
@@ -989,8 +1005,7 @@ StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline
                LinkableValueNode::Handle::cast_dynamic(value_node->list.back().value_node)->
                  set_link(0,finish_duck_value_desc.get_value_node());
 
-       if(get_auto_export_flag()) {
-               printf("this is where we would export the new line\n");
+       if(get_auto_export_flag())
                if (!get_canvas_interface()->add_value_node(value_node,get_id()))
                {
                        /* it's no big deal, is it?  let's keep the shape anyway */
@@ -999,10 +1014,12 @@ StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline
                        // increment_id();
                        // return Smach::RESULT_ERROR;
                }
-       }
 
-       // Create the layer
+       last_stroke=value_node;
+       last_stroke_id=get_id();
+
        {
+               // Create the layer(s)
                Layer::Handle layer;
                Canvas::Handle canvas(get_canvas_view()->get_canvas());
                int depth(0);
@@ -1015,6 +1032,20 @@ StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline
                        canvas=layer->get_canvas();
                }
 
+               // fill_last_stroke() will take care of clearing the selection if we're calling it
+               if(get_outline_flag() && get_region_flag())
+               {
+                       if (fill_last_stroke_and_unselect_other_layers() == Smach::RESULT_ERROR)
+                       {
+                               get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
+                               get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+                               group.cancel();
+                               return Smach::RESULT_ERROR;
+                       }
+               }
+               else
+                       get_canvas_interface()->get_selection_manager()->clear_selected_layers();
+
                //int number(synfig::UniqueID().get_uid());
 
                synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
@@ -1023,11 +1054,25 @@ StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline
                if(get_outline_flag())
                {
                        layer=get_canvas_interface()->add_layer_to("outline",canvas,depth);
+                       if (!layer)
+                       {
+                               get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
+                               get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+                               group.cancel();
+                               return Smach::RESULT_ERROR;
+                       }
                        layer->set_description(get_id()+_(" Outline"));
                }
                else
                {
                        layer=get_canvas_interface()->add_layer_to("region",canvas,depth);
+                       if (!layer)
+                       {
+                               get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
+                               get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+                               group.cancel();
+                               return Smach::RESULT_ERROR;
+                       }
                        layer->set_description(get_id()+_(" Region"));
                }
 
@@ -1040,11 +1085,11 @@ StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline
                //layer->set_description(strprintf("Stroke %d",number));
                //get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 
-               if (shift_offset)
+               if (shift_origin)
                        get_canvas_interface()->
-                         change_value(synfigapp::ValueDesc(layer,"offset"),shift_offset_vector);
+                         change_value(synfigapp::ValueDesc(layer,"origin"),shift_origin_vector);
 
-               synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
+               synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 
                assert(action);
 
@@ -1064,20 +1109,180 @@ StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline
                        //refresh_ducks();
                        return Smach::RESULT_ERROR;
                }
-               get_canvas_view()->get_selection_manager()->set_selected_layer(layer);
+               layer_list.push_back(layer);
+               get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
                //refresh_ducks();
        }
 
-       last_stroke=value_node;
-       last_stroke_id=get_id();
-
-       if(get_outline_flag() && get_region_flag())
-               fill_last_stroke();
-
        increment_id();
        return Smach::RESULT_ACCEPT;
 }
 
+#ifdef _DEBUG
+static void
+debug_show_vertex_list(int iteration, std::list<synfigapp::ValueDesc>& vertex_list,
+                                          std::string title, int current)
+{
+       std::list<synfigapp::ValueDesc>::iterator i = vertex_list.begin();
+       printf("\n%s\n  ----- iter %d : ", title.c_str(), iteration);
+       int c = 0;
+       synfig::LinkableValueNode::Handle last = 0;
+       int start = -1;
+       int index;
+       int prev;
+       int dir = 0;
+       bool started = false;
+       for(;i!=vertex_list.end();i++,c++)
+       {
+               synfigapp::ValueDesc value_desc(*i);
+
+               if (value_desc.parent_is_value_node()) {
+                       if(value_desc.parent_is_linkable_value_node())
+                       {
+                               index = value_desc.get_index();
+                               // printf("<%d>", index);
+                               if (last == synfig::LinkableValueNode::Handle::cast_reinterpret(value_desc.get_parent_value_node()))
+                               {
+                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                       if (start != -1)
+                                       {
+                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                               if (c == current)
+                                               {
+                                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                                       if (dir)
+                                                       {
+                                                               if (started) printf(", "); else started = true;
+                                                               printf("%d--%d", start, prev);
+                                                       }
+                                                       else
+                                                       {
+                                                               if (started) printf(", "); else started = true;
+                                                               printf("%d", start);
+                                                       }
+                                                       printf(", *%d*", index);
+                                                       start = -1;
+                                               }
+                                               else if (dir == 0)
+                                               {
+                                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                                       if (index == start + 1)
+                                                       {
+                                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                                               dir = 1;
+                                                               prev = index;
+                                                       }
+                                                       else if (index == start - 1)
+                                                       {
+                                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                                               dir = -1;
+                                                               prev = index;
+                                                       }
+                                                       else
+                                                       {
+                                                               if (started) printf(", "); else started = true;
+                                                               printf("%d", start);
+                                                               start = index;
+                                                       }
+                                               }
+                                               else if (index == prev + dir)
+                                               {
+                                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                                       prev = index;
+                                               }
+                                               else
+                                               {
+                                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                                       if (started) printf(", "); else started = true;
+                                                       if (prev != start)
+                                                               printf("%d--%d", start, prev);
+                                                       else
+                                                               printf("%d", start);
+                                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                                       start = index;
+                                                       dir = 0;
+                                               }
+                                       }
+                                       else
+                                       {
+                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                               if (c == current)
+                                               {
+                                                       if (started) printf(", "); else started = true;
+                                                       printf("*%d*", index);
+                                               }
+                                               else
+                                               {
+                                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                                       start = index;
+                                                       dir = 0;
+                                               }
+                                       }
+                               }
+                               else
+                               {
+                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                       if (last)
+                                       {
+                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                               if (start != -1)
+                                               {
+                                                       if (started) printf(", "); else started = true;
+                                                       if (dir != 0)
+                                                               printf("%d--%d", start, prev);
+                                                       else
+                                                               printf("%d", start);
+                                               }
+                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                               printf(") ");
+                                       }
+                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                       last = synfig::LinkableValueNode::Handle::cast_reinterpret(value_desc.get_parent_value_node());
+                                       printf("%d:(", synfig::LinkableValueNode::Handle::cast_reinterpret(value_desc.get_parent_value_node())->link_count());
+                                       started = false;
+                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                       if (c == current)
+                                       {
+                                               start = -1;
+                                               printf("*%d*", index);
+                                       }
+                                       else
+                                       {
+                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
+                                               start = index;
+                                               dir = 0;
+                                       }
+                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
+                               }
+                               // printf("\n%s:%d\n", __FILE__, __LINE__);
+                       }
+                       else if (last)
+                               if (last) printf("?!) ");
+               }
+               else
+               {
+                       last = 0;
+                       printf("? ");
+               }
+       }
+       if (last)
+       {
+               if (started) printf(", "); else started = true;
+               if (start != -1)
+               {
+                       if (dir != 0)
+                               printf("%d--%d", start, prev);
+                       else
+                               printf("%d", start);
+               }
+               printf(")");
+       }
+       printf("\n");
+}
+#else  // _DEBUG
+#define debug_show_vertex_list(a,b,c,d)
+#endif // _DEBUG
+
 Smach::event_result
 StateDraw_Context::new_region(std::list<synfig::BLinePoint> bline, synfig::Real radius)
 {
@@ -1086,6 +1291,8 @@ StateDraw_Context::new_region(std::list<synfig::BLinePoint> bline, synfig::Real
 
        std::list<synfigapp::ValueDesc> vertex_list;
 
+       printf("new_region with %zd bline points\n", bline.size());
+
        // First we need to come up with a rough list of
        // BLinePoints that we are going to be using to
        // define our region.
@@ -1101,7 +1308,6 @@ StateDraw_Context::new_region(std::list<synfig::BLinePoint> bline, synfig::Real
                                return Smach::RESULT_OK;
                        }
 
-
                        assert(duck->get_type()==Duck::TYPE_VERTEX);
 
                        synfigapp::ValueDesc value_desc(duck->get_value_desc());
@@ -1126,192 +1332,423 @@ StateDraw_Context::new_region(std::list<synfig::BLinePoint> bline, synfig::Real
                }
        }
 
-       if(vertex_list.size()<=2)
-       {
-               synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
-               return Smach::RESULT_OK;
-       }
-
        assert(vertex_list.back().is_valid());
 
+       printf("vertex list with %zd bline points\n", vertex_list.size());
+
        // Remove any duplicates
        {
        }
 
-       // Now we need to clean the list of vertices up
-       // a bit. This includes inserting missing vertices
-       // and removing extraneous ones.
-       // We can do this in multiple passes.
-       int i=0;
-       for(bool done=false;!done && i<30;i++)
+       ValueNode_BLine::Handle value_node_bline;
+
+       // Now we need to test for the trivial case,
+       // which is where all of the vertices
+       // come from one BLine.
+       if(vertex_list.front().parent_is_linkable_value_node())
        {
-               // Set done to "true" for now. If
-               // any updates are performed, we will
-               // change it back to false.
-               done=true;
+               bool trivial_case(true);
+               ValueNode::Handle trivial_case_value_node;
 
-               std::list<synfigapp::ValueDesc>::iterator prev,iter,next;
-               prev=vertex_list.end();prev--;  // Set prev to the last ValueDesc
-               next=vertex_list.begin();
-               iter=next++; // Set iter to the first value desc, and next to the second
+               trivial_case_value_node=vertex_list.front().get_parent_value_node();
 
-               for(;iter!=vertex_list.end();prev=iter,iter=next++)
+               std::list<synfigapp::ValueDesc>::iterator iter;
+               for(iter=vertex_list.begin();iter!=vertex_list.end();++iter)
                {
-                       synfigapp::ValueDesc value_prev(*prev);
-                       synfigapp::ValueDesc value_desc(*iter);
-                       synfigapp::ValueDesc value_next((next==vertex_list.end())?vertex_list.front():*next);
+                       if(trivial_case_value_node!=iter->get_parent_value_node())
+                       {
+                               trivial_case=false;
+                               break;
+                       }
+               }
 
-                       assert(value_desc.is_valid());
-                       assert(value_next.is_valid());
-                       assert(value_prev.is_valid());
+               // \todo - re-enable this code
+               if(trivial_case && false)
+               {
+                       synfig::info("all points are on the same bline, so just fill that line");
+                       value_node_bline=ValueNode_BLine::Handle::cast_dynamic(trivial_case_value_node);
 
-                       //synfig::info("-------");
-                       //synfig::info(__FILE__":%d: value_prev 0x%08X:%d",__LINE__,value_prev.get_parent_value_node().get(),value_prev.get_index());
-                       //synfig::info(__FILE__":%d: value_desc 0x%08X:%d",__LINE__,value_desc.get_parent_value_node().get(),value_desc.get_index());
-                       //synfig::info(__FILE__":%d: value_next 0x%08X:%d",__LINE__,value_next.get_parent_value_node().get(),value_next.get_index());
+                       synfig::info("the line has %d vertices", value_node_bline->link_count());
 
-                       /*
-                       if(value_prev.parent_is_value_node() && value_desc.parent_is_value_node() && value_next.parent_is_value_node())
+                       if(value_node_bline->link_count() <= 2)
                        {
-                               // Remove random extraneous vertices
-                               if(value_prev.get_parent_value_node()==value_next.get_parent_value_node() &&
-                                       value_prev.get_parent_value_node()!=value_desc.get_parent_value_node())
-                               {
-                                       DEBUGPOINT();
-                                       vertex_list.erase(iter);
-                                       done=false;
-                                       break;
-                               }
+                               synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
+                               return Smach::RESULT_OK;
                        }
-                       */
+               }
+       }
+
+       if(!value_node_bline)
+               if(vertex_list.size()<=2)
+               {
+                       synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
+                       return Smach::RESULT_OK;
+               }
 
-                       // Remove duplicate vertices
-                       if(value_prev.get_value_node()==value_desc.get_value_node() ||
-                          value_desc.get_value_node()==value_next.get_value_node())
+       // Now we need to clean the list of vertices up
+       // a bit. This includes inserting missing vertices
+       // and removing extraneous ones.
+       // We can do this in multiple passes.
+       if(!value_node_bline)
+       {
+               debug_show_vertex_list(0, vertex_list, "before shifting stuff", -1);
+               // rearrange the list so that the first and last node are on different blines
+               std::list<synfigapp::ValueDesc>::iterator iter, start;
+               ValueNode::Handle last_value_node = vertex_list.back().get_parent_value_node();
+               for(iter = vertex_list.begin(); iter!=vertex_list.end(); iter++)
+                       if (iter->get_parent_value_node() != last_value_node)
                        {
-                               DEBUGPOINT();
-                               vertex_list.erase(iter);
-                               done=false;
+                               vertex_list.insert(vertex_list.end(), vertex_list.begin(), iter);
+                               vertex_list.erase(vertex_list.begin(), iter);
                                break;
                        }
-                       if(value_prev.get_value_node()==value_next.get_value_node())
+
+               debug_show_vertex_list(0, vertex_list, "before detecting direction and limits", -1);
+               // rearrange the list so that the first and last node are on different blines
+               iter = vertex_list.begin();
+               while (iter!=vertex_list.end())
+               {
+                       // make a note of which bline we're looking at
+                       ValueNode::Handle parent_value_node = iter->get_parent_value_node();
+                       start = iter;
+                       int points_in_line = synfig::LinkableValueNode::Handle::cast_reinterpret(parent_value_node)->link_count();
+                       bool looped = (*parent_value_node)(get_time()).get_loop();
+                       int this_index, last_index = iter->get_index();
+                       int min_index = last_index, max_index = last_index;
+                       bool whole;
+                       int direction = 0;
+
+                       // printf("there are %d points in this line - first is index %d\n", points_in_line, last_index);
+
+                       // while we're looking at the same bline, keep going
+                       iter++;
+                       while (iter != vertex_list.end() && iter->get_parent_value_node() == parent_value_node)
                        {
-                               DEBUGPOINT();
-                               vertex_list.erase(prev);
-                               done=false;
-                               break;
+                               this_index = iter->get_index();
+                               // printf("index went from %d to %d\n", last_index, this_index);
+                               if (looped)
+                               {
+                                       if (this_index - last_index > points_in_line/2)
+                                               while (this_index - last_index > points_in_line/2)
+                                                       this_index -= points_in_line;
+                                       else if (last_index - this_index > points_in_line/2)
+                                               while (last_index - this_index > points_in_line/2)
+                                                       this_index += points_in_line;
+                               }
+
+                               if (this_index < min_index) min_index = this_index;
+                               if (this_index > max_index) max_index = this_index;
+
+                               // printf("so let's imagine index went from %d to %d\n", last_index, this_index);
+                               if (this_index > last_index)
+                                       direction++;
+                               else if (this_index < last_index)
+                                       direction--;
+
+                               last_index = this_index;
+                               iter++;
                        }
 
-                       if (value_desc.parent_is_value_node() && value_next.parent_is_value_node())
+                       // printf("min %d and max %d\n", min_index, max_index);
+                       whole = max_index - min_index >= points_in_line;
+                       min_index = (min_index % points_in_line + points_in_line) % points_in_line;
+                       max_index = (max_index % points_in_line + points_in_line) % points_in_line;
+                       // they drew around a shape more than once - what's the start/end point?  does it matter?
+                       if (whole) min_index = max_index = (min_index + max_index) / 2;
+                       // printf("processed min %d max %d whole %d\n", min_index, max_index, whole);
+
+                       if (direction < 0)
                        {
-                               if (value_desc.get_parent_value_node() == value_next.get_parent_value_node())
+                               if (whole)
                                {
-                                       if (next != vertex_list.end())
+                                       // printf("whole (down) (%d) ", min_index);
+                                       for (int i = min_index; i >= 0; i--)
                                        {
-                                               // Fill in missing vertices
-                                               if(value_desc.get_index()<value_next.get_index()-1)
-                                               {
-                                                       DEBUGPOINT();
-                                                       vertex_list.insert(next,synfigapp::ValueDesc(value_desc.get_parent_value_node(),value_desc.get_index()+1));
-                                                       done=false;
-                                                       break;
-                                               }
-                                               if(value_next.get_index()<value_desc.get_index()-1)
-                                               {
-                                                       DEBUGPOINT();
-                                                       vertex_list.insert(next,synfigapp::ValueDesc(value_desc.get_parent_value_node(),value_next.get_index()+1));
-                                                       done=false;
-                                                       break;
-                                               }
+                                               // printf("%d ", i);
+                                               vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
+                                       }
+                                       for (int i = points_in_line - 1; i >= min_index; i--)
+                                       {
+                                               // printf("%d ", i);
+                                               vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
                                        }
                                }
-                               // Ensure that connections between blines are properly connected
-                               else if (value_desc.get_value_node() != value_next.get_value_node())
+                               else
                                {
-                                       BLinePoint vertex(value_desc.get_value(get_time()).get(BLinePoint()));
-                                       BLinePoint vertex_next(value_next.get_value(get_time()).get(BLinePoint()));
-
-                                       //synfig::info("--------");
-                                       //synfig::info(__FILE__":%d: vertex: [%f, %f]",__LINE__,vertex.get_vertex()[0],vertex.get_vertex()[1]);
-                                       //synfig::info(__FILE__":%d: vertex_next: [%f, %f]",__LINE__,vertex_next.get_vertex()[0],vertex_next.get_vertex()[1]);
-
-                                       if((vertex.get_vertex()-vertex_next.get_vertex()).mag_squared()<radius*radius)
+                                       // printf("part (down) (%d -> %d) ", max_index, min_index);
+                                       for (int i = max_index; i != min_index; i--)
                                        {
-                                               DEBUGPOINT();
-                                               ValueNode_Composite::Handle value_node;
-                                               ValueNode_Composite::Handle value_node_next;
-                                               value_node=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node().clone());
-                                               value_node_next=ValueNode_Composite::Handle::cast_dynamic(value_next.get_value_node().clone());
-                                               if(!value_node || !value_node_next)
-                                               {
-                                                       synfig::info(__FILE__":%d: Unable to properly connect blines.",__LINE__);
-                                                       continue;
-                                               }
-                                               DEBUGPOINT();
-                                               value_node->set_link(5,value_node_next->get_link(5));
-                                               value_node->set_link(3,ValueNode_Const::create(true));
-
-                                               get_canvas_interface()->auto_export(value_node);
-                                               assert(value_node->is_exported());
-                                               *iter=synfigapp::ValueDesc(get_canvas(),value_node->get_id());
-                                               vertex_list.erase(next);
-                                               done=false;
-                                               break;
+                                               if (i == -1) i = points_in_line - 1;
+                                               // printf("%d ", i);
+                                               vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
                                        }
-                                       else
+                                       vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, min_index));
+                               }
+                       }
+                       else
+                       {
+                               if (whole)
+                               {
+                                       // printf("whole (%d) ", min_index);
+                                       for (int i = min_index; i < points_in_line; i++)
                                        {
-                                               DEBUGPOINT();
-                                               bool positive_trend(value_desc.get_index()>value_prev.get_index());
-
-                                               if(!positive_trend && value_desc.get_index()>0)
-                                               {
-                                                       DEBUGPOINT();
-                                                       vertex_list.insert(next,synfigapp::ValueDesc(value_desc.get_parent_value_node(),value_desc.get_index()-1));
-                                                       done=false;
-                                                       break;
-                                               }
-                                               if(positive_trend && value_desc.get_index()<LinkableValueNode::Handle::cast_static(value_desc.get_value_node())->link_count()-1)
-                                               {
-                                                       DEBUGPOINT();
-                                                       vertex_list.insert(next,synfigapp::ValueDesc(value_desc.get_parent_value_node(),value_desc.get_index()+1));
-                                                       done=false;
-                                                       break;
-                                               }
+                                               // printf("%d ", i);
+                                               vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
+                                       }
+                                       for (int i = 0; i <= min_index; i++)
+                                       {
+                                               // printf("%d ", i);
+                                               vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
                                        }
                                }
+                               else
+                               {
+                                       // printf("part (%d -> %d) ", min_index, max_index);
+                                       for (int i = min_index; i != max_index; i++)
+                                       {
+                                               if (i == points_in_line) i = 0;
+                                               // printf("%d ", i);
+                                               vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
+                                       }
+                                       vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, max_index));
+                               }
                        }
+                       // printf("\n");
+                       // debug_show_vertex_list(0, vertex_list, "after insert", -1);
+                       vertex_list.erase(start, iter);
+                       // debug_show_vertex_list(0, vertex_list, "after delete", -1);
                }
-       }
 
-       if(vertex_list.size()<=2)
-       {
-               synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
-               return Smach::RESULT_OK;
-       }
+               debug_show_vertex_list(0, vertex_list, "continuous vertices", -1);
 
-       ValueNode_BLine::Handle value_node_bline;
+               // \todo reenable or delete this section
+               int i=100;
+               for(bool done=false;!done && i<30;i++)
+               {
+                       debug_show_vertex_list(i, vertex_list, "in big loop", -1);
 
-       // Now we need to test for the trivial case,
-       // which is where all of the vertices
-       // come from one BLine.
-       if(vertex_list.front().parent_is_linkable_value_node())
-       {
-               bool trivial_case(true);
-               ValueNode::Handle trivial_case_value_node;
+                       // Set done to "true" for now. If
+                       // any updates are performed, we will
+                       // change it back to false.
+                       done=true;
 
-               trivial_case_value_node=vertex_list.front().get_parent_value_node();
+                       std::list<synfigapp::ValueDesc>::iterator prev,next;
+                       prev=vertex_list.end();prev--;  // Set prev to the last ValueDesc
+                       next=vertex_list.begin();
+                       iter=next++; // Set iter to the first value desc, and next to the second
 
-               std::list<synfigapp::ValueDesc>::iterator iter;
-               for(iter=vertex_list.begin();iter!=vertex_list.end();++iter)
-               {
-                       if(trivial_case_value_node!=iter->get_parent_value_node())
+                       int current = 0;
+                       for(;iter!=vertex_list.end();prev=iter,iter++,next++,current++)
                        {
-                               trivial_case=false;
-                               break;
+                               // we need to be able to erase(next) and can't do that if next is end()
+                               if (next == vertex_list.end()) next = vertex_list.begin();
+                               debug_show_vertex_list(i, vertex_list, "in loop around vertices", current);
+                               synfigapp::ValueDesc value_prev(*prev);
+                               synfigapp::ValueDesc value_desc(*iter);
+                               synfigapp::ValueDesc value_next(*next);
+
+                               assert(value_desc.is_valid());
+                               assert(value_next.is_valid());
+                               assert(value_prev.is_valid());
+
+                               // synfig::info("-------");
+                               // synfig::info(__FILE__":%d: value_prev 0x%08X:%d",__LINE__,value_prev.get_parent_value_node().get(),value_prev.get_index());
+                               // synfig::info(__FILE__":%d: value_desc 0x%08X:%d",__LINE__,value_desc.get_parent_value_node().get(),value_desc.get_index());
+                               // synfig::info(__FILE__":%d: value_next 0x%08X:%d",__LINE__,value_next.get_parent_value_node().get(),value_next.get_index());
+
+                               /*
+                                 if(value_prev.parent_is_value_node() && value_desc.parent_is_value_node() && value_next.parent_is_value_node())
+                                 {
+                                 // Remove random extraneous vertices
+                                 if(value_prev.get_parent_value_node()==value_next.get_parent_value_node() &&
+                                 value_prev.get_parent_value_node()!=value_desc.get_parent_value_node())
+                                 {
+                                 vertex_list.erase(iter);
+                                 done=false;
+                                 break;
+                                 }
+                                 }
+                               */
+
+                               // // Remove duplicate vertices
+
+                               // // if previous is the same as current or
+                               // //    current is the same as next, remove current
+                               // if(value_prev.get_value_node()==value_desc.get_value_node() ||
+                               //    value_desc.get_value_node()==value_next.get_value_node())
+                               // {
+                               //      vertex_list.erase(iter);
+                               //      done=false;
+                               //      printf("erased node - i = %d\n", i);
+                               //      break;
+                               // }
+
+                               // // if previous is the same as next, remove previous?  or next?
+                               // if(value_prev.get_value_node()==value_next.get_value_node())
+                               // {
+                               //      vertex_list.erase(next);
+                               //      // vertex_list.erase(prev);
+                               //      done=false;
+                               //      printf("erased node - i = %d\n", i);
+                               //      break;
+                               // }
+
+                               // if 'this' and 'next' both have parents
+                               if (value_desc.parent_is_value_node() && value_next.parent_is_value_node())
+                               {
+                                       // if they are both on the same bline - this has been handled by new code above
+                                       if (value_desc.get_parent_value_node() == value_next.get_parent_value_node())
+                                       {
+                                               // // if (next != vertex_list.end())
+                                               // {
+                                               //      printf("parent loop is %d and node loop is ??\n",
+                                               //                 (*(value_desc.get_parent_value_node()))(get_time()).get_loop()
+                                               //                 // value_desc.get_value_node().get_loop(),
+                                               //              );
+                                               //
+                                               //      // Fill in missing vertices
+                                               //      // \todo take loops into account: seeing (15, 2, 3, 4) probably means that (0, 1) is missing, not 14 through 3
+                                               //      if(value_desc.get_index()<value_next.get_index()-1)
+                                               //      {
+                                               //              debug_show_vertex_list(i, vertex_list,
+                                               //                                                         strprintf("same parent, different points this %d < next-1 %d",
+                                               //                                                                               value_desc.get_index(), ((value_next.get_index()-1))),
+                                               //                                                         current);
+                                               //              for (int index = value_desc.get_index()+1; index < value_next.get_index(); index++)
+                                               //              {
+                                               //                      printf("inserting up %d\n", index);
+                                               //                      vertex_list.insert(next, synfigapp::ValueDesc(value_desc.get_parent_value_node(), index));
+                                               //              }
+                                               //              debug_show_vertex_list(i, vertex_list, "new list", current);
+                                               //              done=false;
+                                               //              break;
+                                               //      }
+                                               //      if(value_next.get_index()<value_desc.get_index()-1)
+                                               //      {
+                                               //              debug_show_vertex_list(i, vertex_list,
+                                               //                                                         strprintf("same parent, different points next %d < this-1 %d",
+                                               //                                                                               value_next.get_index(), ((value_desc.get_index()-1))),
+                                               //                                                         current);
+                                               //              for (int index = value_desc.get_index()-1; index > value_next.get_index(); index--)
+                                               //              {
+                                               //                      printf("inserting down %d\n", index);
+                                               //                      vertex_list.insert(next, synfigapp::ValueDesc(value_desc.get_parent_value_node(), index));
+                                               //              }
+                                               //              debug_show_vertex_list(i, vertex_list, "new list", current);
+                                               //              done=false;
+                                               //              break;
+                                               //      }
+                                               // }
+                                       }
+                                       // 'this' and 'next' have different parents
+                                       else
+                                       {
+                                               ValueNode::Handle v1 = value_desc.get_value_node();
+                                               ValueNode::Handle v2 = value_desc.get_parent_value_node();
+                                               if (v1 == v2)
+                                                       printf("same\n");
+                                               else
+                                                       printf("different\n");
+
+                                               if (value_desc.get_value_node() != value_next.get_value_node())
+                                               {
+                                                       // Ensure that connections between blines are properly connected
+                                                       BLinePoint vertex(value_desc.get_value(get_time()).get(BLinePoint()));
+                                                       BLinePoint vertex_next(value_next.get_value(get_time()).get(BLinePoint()));
+
+                                                       //synfig::info("--------");
+                                                       //synfig::info(__FILE__":%d: vertex: [%f, %f]",__LINE__,vertex.get_vertex()[0],vertex.get_vertex()[1]);
+                                                       //synfig::info(__FILE__":%d: vertex_next: [%f, %f]",__LINE__,vertex_next.get_vertex()[0],vertex_next.get_vertex()[1]);
+
+                                                       // if this vertex is close to the next one, replace this vertex with a new one
+                                                       // and erase the next one
+                                                       printf("this point is %5.2f from the next point - compare with %5.2f\n",
+                                                                  (vertex.get_vertex()-vertex_next.get_vertex()).mag_squared(),
+                                                                  radius*radius);
+                                                       if((vertex.get_vertex()-vertex_next.get_vertex()).mag_squared()<radius*radius)
+                                                       {
+                                                               printf("in one - it's close\n");
+                                                               ValueNode_Composite::Handle value_node;
+                                                               ValueNode_Composite::Handle value_node_next;
+                                                               value_node=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node().clone());
+                                                               value_node_next=ValueNode_Composite::Handle::cast_dynamic(value_next.get_value_node().clone());
+                                                               if(!value_node || !value_node_next)
+                                                               {
+                                                                       synfig::info(__FILE__":%d: Unable to properly connect blines.",__LINE__);
+                                                                       continue;
+                                                               }
+                                                               // \todo if next isn't split, don't we want to copy its 'Tangent 1' instead?
+                                                               value_node->set_link(5,value_node_next->get_link(5)); // Tangent 2
+                                                               value_node->set_link(3,ValueNode_Const::create(true)); // Split Tangents
+
+                                                               // get_canvas_interface()->auto_export(value_node);
+                                                               printf("exporting\n");
+                                                               get_canvas_interface()->add_value_node(value_node,value_node->get_id() + strprintf("foo %d", rand()));
+
+                                                               assert(value_node->is_exported());
+                                                               // replace 'this' with the new valuenode
+                                                               *iter=synfigapp::ValueDesc(get_canvas(),value_node->get_id());
+                                                               printf("erasing next\n");
+                                                               printf("erasing next point\n");
+                                                               vertex_list.erase(next);
+                                                               done=false;
+                                                               break;
+                                                       } // this vertex isn't close to the next one
+                                                       else if (value_prev.parent_is_value_node())
+                                                       {
+                                                               printf("in two - it's far\n");
+                                                               // \todo this only makes sense if prev is on the same bline
+                                                               printf("this is index %d\n", value_desc.get_index());
+                                                               printf("prev is index %d\n", value_prev.get_index());
+                                                               bool positive_trend(value_desc.get_index()>value_prev.get_index());
+
+                                                               if(positive_trend)
+                                                               {
+                                                                       printf("positive trend\n");
+                                                                       printf("comparing index %d < link_count()-1 = %d-1 = %d\n",
+                                                                                  value_desc.get_index(),
+                                                                                  LinkableValueNode::Handle::cast_static(value_desc.get_parent_value_node())->link_count(),
+                                                                                  LinkableValueNode::Handle::cast_static(value_desc.get_parent_value_node())->link_count()-1);
+                                                                       if (value_desc.get_index()<LinkableValueNode::Handle::cast_static(value_desc.get_parent_value_node())->link_count()-1)
+                                                                       {
+                                                                               printf("in two - b\n");
+                                                                               printf("inserting node with index %d\n", value_desc.get_index()+1);
+                                                                               vertex_list.insert(next,
+                                                                                                                  synfigapp::ValueDesc(value_desc.get_parent_value_node(),
+                                                                                                                                                               value_desc.get_index()+1));
+                                                                               done=false;
+                                                                               break;
+                                                                       }
+                                                               }
+                                                               else // !positive_trend
+                                                               {
+                                                                       printf("negative trend\n");
+                                                                       if(value_desc.get_index()>0)
+                                                                       {
+                                                                               printf("in two - a\n");
+                                                                               printf("inserting node on this line with index %d\n",
+                                                                                          value_desc.get_index()-1);
+                                                                               vertex_list.insert(next,
+                                                                                                                  synfigapp::ValueDesc(value_desc.get_parent_value_node(),
+                                                                                                                                                               value_desc.get_index()-1));
+                                                                               done=false;
+                                                                               break;
+                                                                       }
+                                                               }
+                                                       }
+                                               }
+                                       }
+                               }
                        }
                }
-               if(trivial_case)
-                       value_node_bline=ValueNode_BLine::Handle::cast_dynamic(trivial_case_value_node);
+
+               if(vertex_list.size()<=2)
+               {
+                       synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
+                       return Smach::RESULT_OK;
+               }
+
+               debug_show_vertex_list(i, vertex_list, "finished tidying list", -1);
        }
 
        // If we aren't the trivial case,
@@ -1319,6 +1756,7 @@ StateDraw_Context::new_region(std::list<synfig::BLinePoint> bline, synfig::Real
        // BLine value node
        if(!value_node_bline)
        {
+               synfig::info("not all points are on the same bline");
                value_node_bline=ValueNode_BLine::create();
 
                std::list<synfigapp::ValueDesc>::iterator iter;
@@ -1354,7 +1792,12 @@ StateDraw_Context::new_region(std::list<synfig::BLinePoint> bline, synfig::Real
                synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 
                layer=get_canvas_interface()->add_layer_to("region",canvas,depth);
-               assert(layer);
+               if (!layer)
+               {
+                       get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+                       group.cancel();
+                       return Smach::RESULT_ERROR;
+               }
                layer->set_param("color",synfigapp::Main::get_background_color());
                if(get_feather())
                {
@@ -1363,7 +1806,7 @@ StateDraw_Context::new_region(std::list<synfig::BLinePoint> bline, synfig::Real
                }
                get_canvas_interface()->signal_layer_param_changed()(layer,"color");
 
-               synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
+               synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 
                assert(action);
 
@@ -1415,7 +1858,7 @@ StateDraw_Context::extend_bline_from_begin(ValueNode_BLine::Handle value_node,st
 
        if (complete_loop)
        {
-               synfigapp::Action::Handle action(synfigapp::Action::create("value_node_dynamic_list_loop"));
+               synfigapp::Action::Handle action(synfigapp::Action::create("ValueNodeDynamicListLoop"));
                assert(action);
 
                action->set_param("canvas",get_canvas());
@@ -1435,7 +1878,7 @@ StateDraw_Context::extend_bline_from_begin(ValueNode_BLine::Handle value_node,st
        {
                ValueNode_Composite::Handle composite(ValueNode_Composite::create(*iter));
 
-               synfigapp::Action::Handle action(synfigapp::Action::create("value_node_dynamic_list_insert"));
+               synfigapp::Action::Handle action(synfigapp::Action::create("ValueNodeDynamicListInsert"));
 
                assert(action);
                synfigapp::ValueDesc value_desc(value_node,0);
@@ -1466,7 +1909,7 @@ StateDraw_Context::extend_bline_from_end(ValueNode_BLine::Handle value_node,std:
 
        if (complete_loop)
        {
-               synfigapp::Action::Handle action(synfigapp::Action::create("value_node_dynamic_list_loop"));
+               synfigapp::Action::Handle action(synfigapp::Action::create("ValueNodeDynamicListLoop"));
                assert(action);
 
                action->set_param("canvas",get_canvas());
@@ -1486,7 +1929,7 @@ StateDraw_Context::extend_bline_from_end(ValueNode_BLine::Handle value_node,std:
        {
                ValueNode_Composite::Handle composite(ValueNode_Composite::create(*iter));
 
-               synfigapp::Action::Handle action(synfigapp::Action::create("value_node_dynamic_list_insert"));
+               synfigapp::Action::Handle action(synfigapp::Action::create("ValueNodeDynamicListInsert"));
 
                assert(action);
                synfigapp::ValueDesc value_desc(value_node,value_node->link_count());
@@ -1526,11 +1969,11 @@ StateDraw_Context::reverse_bline(std::list<synfig::BLinePoint> &bline)
        }
 }
 
-void
-StateDraw_Context::fill_last_stroke()
+Smach::event_result
+StateDraw_Context::fill_last_stroke_and_unselect_other_layers()
 {
        if(!last_stroke)
-               return;
+               return Smach::RESULT_OK;
 
        synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Fill Stroke"));
 
@@ -1540,12 +1983,23 @@ StateDraw_Context::fill_last_stroke()
 
        synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 
-       layer=get_canvas_interface()->add_layer("region");
-       assert(layer);
+       Canvas::Handle canvas(get_canvas_view()->get_canvas());
+       int depth(0);
+
+       layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
+       if(layer)
+       {
+               depth=layer->get_depth();
+               canvas=layer->get_canvas();
+       }
+
+       get_canvas_interface()->get_selection_manager()->clear_selected_layers();
+       layer=get_canvas_interface()->add_layer_to("region", canvas, depth);
+       if (!layer) return Smach::RESULT_ERROR;
        layer->set_param("color",synfigapp::Main::get_background_color());
        layer->set_description(last_stroke_id + _(" Region"));
 
-       synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
+       synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 
        assert(action);
 
@@ -1561,7 +2015,19 @@ StateDraw_Context::fill_last_stroke()
        {
                get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
                group.cancel();
-               return;
+               return Smach::RESULT_OK;
        }
        get_canvas_view()->get_selection_manager()->set_selected_layer(layer);
+       return Smach::RESULT_OK;
+}
+
+void
+StateDraw_Context::fill_last_stroke()
+{
+       if(!last_stroke)
+               return;
+
+       synfigapp::SelectionManager::LayerList layer_list = get_canvas_view()->get_selection_manager()->get_selected_layers();
+       fill_last_stroke_and_unselect_other_layers();
+       get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
 }