Remove ancient trunk folder from svn repository
[synfig.git] / synfig-studio / trunk / src / gtkmm / state_polygon.cpp
diff --git a/synfig-studio/trunk/src/gtkmm/state_polygon.cpp b/synfig-studio/trunk/src/gtkmm/state_polygon.cpp
deleted file mode 100644 (file)
index c016f1d..0000000
+++ /dev/null
@@ -1,943 +0,0 @@
-/* === S Y N F I G ========================================================= */
-/*!    \file state_polygon.cpp
-**     \brief Template File
-**
-**     $Id$
-**
-**     \legal
-**     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**     Copyright (c) 2007, 2008 Chris Moore
-**
-**     This package is free software; you can redistribute it and/or
-**     modify it under the terms of the GNU General Public License as
-**     published by the Free Software Foundation; either version 2 of
-**     the License, or (at your option) any later version.
-**
-**     This package is distributed in the hope that it will be useful,
-**     but WITHOUT ANY WARRANTY; without even the implied warranty of
-**     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-**     General Public License for more details.
-**     \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-#      include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-#      include <config.h>
-#endif
-
-#include <gtkmm/dialog.h>
-#include <gtkmm/entry.h>
-
-#include <synfig/valuenode_dynamiclist.h>
-#include <synfigapp/action_system.h>
-#include <synfig/valuenode_bline.h>
-
-#include "state_polygon.h"
-#include "canvasview.h"
-#include "workarea.h"
-#include "app.h"
-
-#include <synfigapp/action.h>
-#include "event_mouse.h"
-#include "event_layerclick.h"
-#include "toolbox.h"
-#include "dialog_tooloptions.h"
-#include <synfigapp/main.h>
-
-#include "general.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-using namespace studio;
-
-/* === M A C R O S ========================================================= */
-
-/* === G L O B A L S ======================================================= */
-
-StatePolygon studio::state_polygon;
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-
-class studio::StatePolygon_Context : public sigc::trackable
-{
-       etl::handle<CanvasView> canvas_view_;
-       CanvasView::IsWorking is_working;
-
-       bool prev_table_status;
-       bool prev_workarea_layer_status_;
-
-       Gtk::Menu menu;
-
-       Duckmatic::Push duckmatic_push;
-
-       std::list<synfig::Point> polygon_point_list;
-       synfigapp::Settings& settings;
-
-
-       bool on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter);
-
-
-       void popup_handle_menu(synfigapp::ValueDesc value_desc);
-
-
-       void refresh_ducks();
-
-       Gtk::Table options_table;
-       Gtk::Entry entry_id;
-       Gtk::CheckButton checkbutton_invert;
-       Gtk::CheckButton checkbutton_layer_polygon;
-       Gtk::CheckButton checkbutton_layer_region;
-       Gtk::CheckButton checkbutton_layer_outline;
-       Gtk::CheckButton checkbutton_layer_curve_gradient;
-       Gtk::CheckButton checkbutton_layer_plant;
-       Gtk::CheckButton checkbutton_layer_link_origins;
-       Gtk::Button button_make;
-       Gtk::Adjustment  adj_feather;
-       Gtk::SpinButton  spin_feather;
-
-public:
-
-       // this counts the layers we create - they all have origins we can link
-       int layers_to_create()const
-       {
-               return
-                       get_layer_polygon_flag() +
-                       get_layer_region_flag() +
-                       get_layer_outline_flag() +
-                       get_layer_curve_gradient_flag() +
-                       get_layer_plant_flag();
-       }
-
-       synfig::String get_id()const { return entry_id.get_text(); }
-       void set_id(const synfig::String& x) { return entry_id.set_text(x); }
-
-       bool get_invert()const { return checkbutton_invert.get_active(); }
-       void set_invert(bool i) { checkbutton_invert.set_active(i); }
-
-       bool get_layer_polygon_flag()const { return checkbutton_layer_polygon.get_active(); }
-       void set_layer_polygon_flag(bool x) { return checkbutton_layer_polygon.set_active(x); }
-
-       bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
-       void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
-
-       bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
-       void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
-
-       bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
-       void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
-
-       bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
-       void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
-
-       bool get_layer_link_origins_flag()const { return checkbutton_layer_link_origins.get_active(); }
-       void set_layer_link_origins_flag(bool x) { return checkbutton_layer_link_origins.set_active(x); }
-
-       Real get_feather() const { return adj_feather.get_value(); }
-       void set_feather(Real x) { return adj_feather.set_value(x); }
-
-       Smach::event_result event_stop_handler(const Smach::event& x);
-
-       Smach::event_result event_refresh_handler(const Smach::event& x);
-
-       Smach::event_result event_mouse_click_handler(const Smach::event& x);
-       Smach::event_result event_refresh_tool_options(const Smach::event& x);
-       void refresh_tool_options();
-
-       StatePolygon_Context(CanvasView* canvas_view);
-
-       ~StatePolygon_Context();
-
-       const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
-       etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
-       synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
-       WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
-
-       //void on_user_click(synfig::Point point);
-       void load_settings();
-       void save_settings();
-       void reset();
-       void increment_id();
-       bool egress_on_selection_change;
-       Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
-       {
-               if(egress_on_selection_change)
-                       throw Smach::egress_exception();
-               return Smach::RESULT_OK;
-       }
-
-       void run();
-};     // END of class StatePolygon_Context
-
-/* === M E T H O D S ======================================================= */
-
-StatePolygon::StatePolygon():
-       Smach::state<StatePolygon_Context>("polygon")
-{
-       insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StatePolygon_Context::event_layer_selection_changed_handler));
-       insert(event_def(EVENT_STOP,&StatePolygon_Context::event_stop_handler));
-       insert(event_def(EVENT_REFRESH,&StatePolygon_Context::event_refresh_handler));
-       insert(event_def(EVENT_REFRESH_DUCKS,&StatePolygon_Context::event_refresh_handler));
-       insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StatePolygon_Context::event_mouse_click_handler));
-       insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StatePolygon_Context::event_refresh_tool_options));
-}
-
-StatePolygon::~StatePolygon()
-{
-}
-
-void
-StatePolygon_Context::load_settings()
-{
-       String value;
-
-       if(settings.get_value("polygon.id",value))
-               set_id(value);
-       else
-               set_id("Polygon");
-
-       if(settings.get_value("polygon.invert",value) && value != "0")
-               set_invert(true);
-       else
-               set_invert(false);
-
-       if(settings.get_value("polygon.layer_polygon",value) && value=="0")
-               set_layer_polygon_flag(false);
-       else
-               set_layer_polygon_flag(true);
-
-       if(settings.get_value("polygon.layer_region",value) && value=="1")
-               set_layer_region_flag(true);
-       else
-               set_layer_region_flag(false);
-
-       if(settings.get_value("polygon.layer_outline",value) && value=="1")
-               set_layer_outline_flag(true);
-       else
-               set_layer_outline_flag(false);
-
-       if(settings.get_value("polygon.layer_curve_gradient",value) && value=="1")
-               set_layer_curve_gradient_flag(true);
-       else
-               set_layer_curve_gradient_flag(false);
-
-       if(settings.get_value("polygon.layer_plant",value) && value=="1")
-               set_layer_plant_flag(true);
-       else
-               set_layer_plant_flag(false);
-
-       if(settings.get_value("polygon.layer_link_origins",value) && value=="0")
-               set_layer_link_origins_flag(false);
-       else
-               set_layer_link_origins_flag(true);
-
-       if(settings.get_value("polygon.feather",value))
-       {
-               Real n = atof(value.c_str());
-               set_feather(n);
-       }
-}
-
-void
-StatePolygon_Context::save_settings()
-{
-       settings.set_value("polygon.id",get_id().c_str());
-       settings.set_value("polygon.invert",get_invert()?"1":"0");
-       settings.set_value("polygon.layer_polygon",get_layer_polygon_flag()?"1":"0");
-       settings.set_value("polygon.layer_outline",get_layer_outline_flag()?"1":"0");
-       settings.set_value("polygon.layer_region",get_layer_region_flag()?"1":"0");
-       settings.set_value("polygon.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
-       settings.set_value("polygon.layer_plant",get_layer_plant_flag()?"1":"0");
-       settings.set_value("polygon.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
-       settings.set_value("polygon.feather",strprintf("%f",get_feather()));
-}
-
-void
-StatePolygon_Context::reset()
-{
-       polygon_point_list.clear();
-       refresh_ducks();
-}
-
-void
-StatePolygon_Context::increment_id()
-{
-       String id(get_id());
-       int number=1;
-       int digits=0;
-
-       if(id.empty())
-               id="Polygon";
-
-       // If there is a number
-       // already at the end of the
-       // id, then remove it.
-       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++)
-                       ;
-
-               String str_number;
-               str_number=String(id,id.size()-digits,id.size());
-               id=String(id,0,id.size()-digits);
-
-               number=atoi(str_number.c_str());
-       }
-       else
-       {
-               number=1;
-               digits=3;
-       }
-
-       number++;
-
-       // Add the number back onto the id
-       {
-               const String format(strprintf("%%0%dd",digits));
-               id+=strprintf(format.c_str(),number);
-       }
-
-       // Set the ID
-       set_id(id);
-}
-
-StatePolygon_Context::StatePolygon_Context(CanvasView* canvas_view):
-       canvas_view_(canvas_view),
-       is_working(*canvas_view),
-       prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
-       duckmatic_push(get_work_area()),
-       settings(synfigapp::Main::get_selected_input_device()->settings()),
-       entry_id(),
-       checkbutton_invert(_("Invert")),
-       checkbutton_layer_polygon(_("Create Polygon Layer")),
-       checkbutton_layer_region(_("Create Region BLine")),
-       checkbutton_layer_outline(_("Create Outline BLine")),
-       checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
-       checkbutton_layer_plant(_("Create Plant BLine")),
-       checkbutton_layer_link_origins(_("Link Origins")),
-       button_make(_("Make")),
-       adj_feather(0,0,10000,0.01,0.1),
-       spin_feather(adj_feather,0.01,4)
-{
-       egress_on_selection_change=true;
-       load_settings();
-
-       // Set up the tool options dialog
-       options_table.attach(*manage(new Gtk::Label(_("Polygon 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_layer_polygon,                                         0, 2, 2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_layer_outline,                                         0, 2, 3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_layer_region,                                          0, 2, 4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_layer_plant,                                           0, 2, 5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_layer_curve_gradient,                          0, 2, 6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_layer_link_origins,                            0, 2, 7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-
-       //invert flag
-       options_table.attach(checkbutton_invert,                                                        0, 2, 8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-
-       //feather stuff
-       options_table.attach(*manage(new Gtk::Label(_("Feather"))),             0, 1, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(spin_feather,                                                                      1, 2, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-
-       //options_table.attach(button_make, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       button_make.signal_pressed().connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
-       options_table.show_all();
-       refresh_tool_options();
-       App::dialog_tool_options->present();
-
-
-       // Turn off layer clicking
-       get_work_area()->set_allow_layer_clicks(false);
-
-       // clear out the ducks
-       get_work_area()->clear_ducks();
-
-       // Refresh the work area
-       get_work_area()->queue_draw();
-
-       get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
-
-       // Hide the tables if they are showing
-       prev_table_status=get_canvas_view()->tables_are_visible();
-       if(prev_table_status)get_canvas_view()->hide_tables();
-
-       // Disable the time bar
-       get_canvas_view()->set_sensitive_timebar(false);
-
-       // Connect a signal
-       //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_user_click));
-
-       App::toolbox->refresh();
-}
-
-void
-StatePolygon_Context::refresh_tool_options()
-{
-       App::dialog_tool_options->clear();
-       App::dialog_tool_options->set_widget(options_table);
-
-       App::dialog_tool_options->set_local_name(_("Polygon Tool"));
-       App::dialog_tool_options->set_name("polygon");
-
-       App::dialog_tool_options->add_button(
-               Gtk::StockID("gtk-execute"),
-               _("Make Polygon")
-       )->signal_clicked().connect(
-               sigc::mem_fun(
-                       *this,
-                       &StatePolygon_Context::run
-               )
-       );
-
-       App::dialog_tool_options->add_button(
-               Gtk::StockID("gtk-clear"),
-               _("Clear current Polygon")
-       )->signal_clicked().connect(
-               sigc::mem_fun(
-                       *this,
-                       &StatePolygon_Context::reset
-               )
-       );
-}
-
-Smach::event_result
-StatePolygon_Context::event_refresh_tool_options(const Smach::event& /*x*/)
-{
-       refresh_tool_options();
-       return Smach::RESULT_ACCEPT;
-}
-
-StatePolygon_Context::~StatePolygon_Context()
-{
-       run();
-
-       save_settings();
-       // Restore layer clicking
-       get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
-
-       App::dialog_tool_options->clear();
-
-       get_canvas_view()->work_area->reset_cursor();
-
-       // Enable the time bar
-       get_canvas_view()->set_sensitive_timebar(true);
-
-       // Bring back the tables if they were out before
-       if(prev_table_status)get_canvas_view()->show_tables();
-
-       // Refresh the work area
-       get_work_area()->queue_draw();
-
-       App::toolbox->refresh();
-}
-
-Smach::event_result
-StatePolygon_Context::event_stop_handler(const Smach::event& /*x*/)
-{
-       synfig::info("STATE RotoPolygon: Received Stop Event");
-       //throw Smach::egress_exception();
-       reset();
-       return Smach::RESULT_ACCEPT;
-
-}
-
-Smach::event_result
-StatePolygon_Context::event_refresh_handler(const Smach::event& /*x*/)
-{
-       synfig::info("STATE RotoPolygon: Received Refresh Event");
-       refresh_ducks();
-       return Smach::RESULT_ACCEPT;
-}
-
-void
-StatePolygon_Context::run()
-{
-       if(polygon_point_list.empty())
-               return;
-
-       if(polygon_point_list.size()<3)
-       {
-               get_canvas_view()->get_ui_interface()->error("You need at least 3 points to create a polygon");
-               return;
-       }
-
-       synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Polygon"));
-
-       Layer::Handle layer;
-
-       Canvas::Handle canvas;
-       int depth(0);
-
-       // we are temporarily using the layer to hold something
-       layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
-       if(layer)
-       {
-               depth=layer->get_depth();
-               canvas=layer->get_canvas();
-       }
-
-       synfigapp::SelectionManager::LayerList layer_selection;
-       if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
-               layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
-
-       const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
-
-       std::vector<BLinePoint> new_list;
-       std::list<synfig::Point>::iterator iter;
-       int i;
-       for(i=0,iter=polygon_point_list.begin();iter!=polygon_point_list.end();++iter,++i)
-       {
-               *iter = transform.unperform(*iter);
-               new_list.push_back(*(new BLinePoint));
-               new_list[i].set_width(1);
-               new_list[i].set_vertex(*iter);
-               new_list[i].set_tangent(Point(0,0));
-       }
-
-       ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
-       assert(value_node_bline);
-
-       ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(Vector()));
-       assert(value_node_origin);
-
-       // Set the looping flag
-       value_node_bline->set_loop(true);
-
-       if(!canvas)
-               canvas=get_canvas_view()->get_canvas();
-
-       value_node_bline->set_member_canvas(canvas);
-
-       // count how many layers we're going to be creating
-       int layers_to_create = this->layers_to_create();
-
-       ///////////////////////////////////////////////////////////////////////////
-       //   P O L Y G O N
-       ///////////////////////////////////////////////////////////////////////////
-
-       if (get_layer_polygon_flag())
-       {
-               layer=get_canvas_interface()->add_layer_to("polygon",canvas,depth);
-               if (!layer)
-               {
-                       get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
-                       group.cancel();
-                       return;
-               }
-               layer_selection.push_back(layer);
-
-               layer->set_param("invert",get_invert());
-               get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
-
-               if(get_feather())
-               {
-                       layer->set_param("feather",get_feather());
-                       get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
-               }
-
-               layer->set_description(get_id());
-               get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
-
-               layer->disconnect_dynamic_param("vector_list");
-               if(!layer->set_param("vector_list",polygon_point_list))
-               {
-                       group.cancel();
-                       get_canvas_view()->get_ui_interface()->error("Unable to set layer parameter");
-                       return;
-               }
-
-               {
-                       synfigapp::Action::Handle action(synfigapp::Action::create("ValueDescConvert"));
-                       synfigapp::ValueDesc value_desc(layer,"vector_list");
-                       action->set_param("canvas",get_canvas());
-                       action->set_param("canvas_interface",get_canvas_interface());
-                       action->set_param("value_desc",value_desc);
-                       action->set_param("type","dynamic_list");
-                       action->set_param("time",get_canvas_interface()->get_time());
-                       if(!get_canvas_interface()->get_instance()->perform_action(action))
-                       {
-                               group.cancel();
-                               get_canvas_view()->get_ui_interface()->error("Unable to execute action \"ValueDescConvert\"");
-                               return;
-                       }
-               }
-
-               // only link the polygon's origin parameter if the option is selected and we're creating more than one layer
-               if (get_layer_link_origins_flag() && layers_to_create > 1)
-               {
-                       synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
-                       assert(action);
-
-                       action->set_param("canvas",get_canvas());
-                       action->set_param("canvas_interface",get_canvas_interface());
-                       action->set_param("layer",layer);
-                       if(!action->set_param("param",String("origin")))
-                               synfig::error("LayerParamConnect didn't like \"param\"");
-                       if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
-                               synfig::error("LayerParamConnect didn't like \"value_node\"");
-
-                       if(!get_canvas_interface()->get_instance()->perform_action(action))
-                       {
-                               get_canvas_view()->get_ui_interface()->error(_("Unable to create Polygon layer"));
-                               group.cancel();
-                               throw String(_("Unable to create Polygon layer"));
-                               return;
-                       }
-               }
-       }
-
-       ///////////////////////////////////////////////////////////////////////////
-       //   C U R V E   G R A D I E N T
-       ///////////////////////////////////////////////////////////////////////////
-
-       if(get_layer_curve_gradient_flag())
-       {
-               synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
-
-               Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
-               if (!layer)
-               {
-                       get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
-                       group.cancel();
-                       return;
-               }
-               layer_selection.push_back(layer);
-               layer->set_description(get_id()+_(" Gradient"));
-               get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
-
-               {
-                       synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
-                       assert(action);
-
-                       action->set_param("canvas",get_canvas());
-                       action->set_param("canvas_interface",get_canvas_interface());
-                       action->set_param("layer",layer);
-                       if(!action->set_param("param",String("bline")))
-                               synfig::error("LayerParamConnect didn't like \"param\"");
-                       if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
-                               synfig::error("LayerParamConnect didn't like \"value_node\"");
-
-                       if(!get_canvas_interface()->get_instance()->perform_action(action))
-                       {
-                               //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
-                               group.cancel();
-                               throw String(_("Unable to create Gradient layer"));
-                               return;
-                       }
-               }
-
-               // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
-               if (get_layer_link_origins_flag() && layers_to_create > 1)
-               {
-                       synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
-                       assert(action);
-
-                       action->set_param("canvas",get_canvas());
-                       action->set_param("canvas_interface",get_canvas_interface());
-                       action->set_param("layer",layer);
-                       if(!action->set_param("param",String("origin")))
-                               synfig::error("LayerParamConnect didn't like \"param\"");
-                       if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
-                               synfig::error("LayerParamConnect didn't like \"value_node\"");
-
-                       if(!get_canvas_interface()->get_instance()->perform_action(action))
-                       {
-                               //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
-                               group.cancel();
-                               throw String(_("Unable to create Gradient layer"));
-                               return;
-                       }
-               }
-       }
-
-       ///////////////////////////////////////////////////////////////////////////
-       //   P L A N T
-       ///////////////////////////////////////////////////////////////////////////
-
-       if(get_layer_plant_flag())
-       {
-               synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
-
-               Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
-               if (!layer)
-               {
-                       get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
-                       group.cancel();
-                       return;
-               }
-               layer_selection.push_back(layer);
-               layer->set_description(get_id()+_(" Plant"));
-               get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
-
-               {
-                       synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
-                       assert(action);
-
-                       action->set_param("canvas",get_canvas());
-                       action->set_param("canvas_interface",get_canvas_interface());
-                       action->set_param("layer",layer);
-                       if(!action->set_param("param",String("bline")))
-                               synfig::error("LayerParamConnect didn't like \"param\"");
-                       if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
-                               synfig::error("LayerParamConnect didn't like \"value_node\"");
-
-                       if(!get_canvas_interface()->get_instance()->perform_action(action))
-                       {
-                               //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
-                               group.cancel();
-                               throw String(_("Unable to create Plant layer"));
-                               return;
-                       }
-               }
-
-               // only link the plant's origin parameter if the option is selected and we're creating more than one layer
-               if (get_layer_link_origins_flag() && layers_to_create > 1)
-               {
-                       synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
-                       assert(action);
-
-                       action->set_param("canvas",get_canvas());
-                       action->set_param("canvas_interface",get_canvas_interface());
-                       action->set_param("layer",layer);
-                       if(!action->set_param("param",String("origin")))
-                               synfig::error("LayerParamConnect didn't like \"param\"");
-                       if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
-                               synfig::error("LayerParamConnect didn't like \"value_node\"");
-
-                       if(!get_canvas_interface()->get_instance()->perform_action(action))
-                       {
-                               //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
-                               group.cancel();
-                               throw String(_("Unable to create Plant layer"));
-                               return;
-                       }
-               }
-       }
-
-       ///////////////////////////////////////////////////////////////////////////
-       //   R E G I O N
-       ///////////////////////////////////////////////////////////////////////////
-
-       if(get_layer_region_flag())
-       {
-               synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
-
-               Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
-               if (!layer)
-               {
-                       get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
-                       group.cancel();
-                       return;
-               }
-               layer_selection.push_back(layer);
-               layer->set_description(get_id()+_(" Region"));
-               get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
-
-               layer->set_param("feather",get_feather());
-               get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
-
-               layer->set_param("invert",get_invert());
-               get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
-
-               // I don't know if it's safe to reuse the same LayerParamConnect action, so I'm
-               // using 2 separate ones.
-               {
-                       synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
-                       assert(action);
-
-                       action->set_param("canvas",get_canvas());
-                       action->set_param("canvas_interface",get_canvas_interface());
-                       action->set_param("layer",layer);
-                       if(!action->set_param("param",String("bline")))
-                               synfig::error("LayerParamConnect didn't like \"param\"");
-                       if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
-                               synfig::error("LayerParamConnect didn't like \"value_node\"");
-
-                       if(!get_canvas_interface()->get_instance()->perform_action(action))
-                       {
-                               //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
-                               group.cancel();
-                               throw String(_("Unable to create Region layer"));
-                               return;
-                       }
-               }
-
-               // only link the region's origin parameter if the option is selected and we're creating more than one layer
-               if (get_layer_link_origins_flag() && layers_to_create > 1)
-               {
-                       synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
-                       assert(action);
-
-                       action->set_param("canvas",get_canvas());
-                       action->set_param("canvas_interface",get_canvas_interface());
-                       action->set_param("layer",layer);
-                       if(!action->set_param("param",String("origin")))
-                               synfig::error("LayerParamConnect didn't like \"param\"");
-                       if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
-                               synfig::error("LayerParamConnect didn't like \"value_node\"");
-
-                       if(!get_canvas_interface()->get_instance()->perform_action(action))
-                       {
-                               //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
-                               group.cancel();
-                               throw String(_("Unable to create Region layer"));
-                               return;
-                       }
-               }
-       }
-
-       ///////////////////////////////////////////////////////////////////////////
-       //   O U T L I N E
-       ///////////////////////////////////////////////////////////////////////////
-
-       if (get_layer_outline_flag())
-       {
-               Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
-               if (!layer)
-               {
-                       get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
-                       group.cancel();
-                       return;
-               }
-               layer_selection.push_back(layer);
-               layer->set_description(get_id()+_(" Outline"));
-               get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
-
-               layer->set_param("feather",get_feather());
-               get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
-
-               layer->set_param("invert",get_invert());
-               get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
-
-               {
-                       synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
-                       assert(action);
-
-                       action->set_param("canvas",get_canvas());
-                       action->set_param("canvas_interface",get_canvas_interface());
-                       action->set_param("layer",layer);
-                       if(!action->set_param("param",String("bline")))
-                               synfig::error("LayerParamConnect didn't like \"param\"");
-                       if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
-                               synfig::error("LayerParamConnect didn't like \"value_node\"");
-
-                       if(!get_canvas_interface()->get_instance()->perform_action(action))
-                       {
-                               //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
-                               group.cancel();
-                               throw String(_("Unable to create Outline layer"));
-                               return;
-                       }
-               }
-
-               // only link the outline's origin parameter if the option is selected and we're creating more than one layer
-               if (get_layer_link_origins_flag() && layers_to_create > 1)
-               {
-                       synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
-                       assert(action);
-
-                       action->set_param("canvas",get_canvas());
-                       action->set_param("canvas_interface",get_canvas_interface());
-                       action->set_param("layer",layer);
-                       if(!action->set_param("param",String("origin")))
-                               synfig::error("LayerParamConnect didn't like \"param\"");
-                       if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
-                               synfig::error("LayerParamConnect didn't like \"value_node\"");
-
-                       if(!get_canvas_interface()->get_instance()->perform_action(action))
-                       {
-                               //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
-                               group.cancel();
-                               throw String(_("Unable to create Outline layer"));
-                               return;
-                       }
-               }
-       }
-
-       egress_on_selection_change=false;
-       get_canvas_interface()->get_selection_manager()->clear_selected_layers();
-       get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
-       egress_on_selection_change=true;
-
-       //post clean up stuff...
-       reset();
-       increment_id();
-}
-
-Smach::event_result
-StatePolygon_Context::event_mouse_click_handler(const Smach::event& x)
-{
-       synfig::info("STATE ROTOPOLYGON: Received mouse button down Event");
-       const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
-       switch(event.button)
-       {
-       case BUTTON_LEFT:
-               polygon_point_list.push_back(get_work_area()->snap_point_to_grid(event.pos));
-               refresh_ducks();
-               return Smach::RESULT_ACCEPT;
-
-       default:
-               return Smach::RESULT_OK;
-       }
-}
-
-
-void
-StatePolygon_Context::refresh_ducks()
-{
-       get_work_area()->clear_ducks();
-
-       if(polygon_point_list.empty()) return;
-
-       std::list<synfig::Point>::iterator iter=polygon_point_list.begin();
-
-       etl::handle<WorkArea::Duck> duck;
-       duck=new WorkArea::Duck(*iter);
-       duck->set_editable(true);
-       duck->signal_edited().connect(
-               sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
-       );
-       duck->signal_user_click(0).connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
-
-       get_work_area()->add_duck(duck);
-
-       for(++iter;iter!=polygon_point_list.end();++iter)
-       {
-               etl::handle<WorkArea::Bezier> bezier(new WorkArea::Bezier());
-               bezier->p1=bezier->c1=duck;
-
-               duck=new WorkArea::Duck(*iter);
-               duck->set_editable(true);
-               duck->set_name(strprintf("%x",&*iter));
-               duck->signal_edited().connect(
-                       sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
-               );
-
-               get_work_area()->add_duck(duck);
-
-               bezier->p2=bezier->c2=duck;
-               get_work_area()->add_bezier(bezier);
-       }
-       get_work_area()->queue_draw();
-}
-
-
-bool
-StatePolygon_Context::on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter)
-{
-       *iter=point;
-       return true;
-}