synfig-studio/trunk/src/gtkmm/state_polygon.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_polygon.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **      Copyright (c) 2007, 2008 Chris Moore
  10 **
  11 **      This package is free software; you can redistribute it and/or
  12 **      modify it under the terms of the GNU General Public License as
  13 **      published by the Free Software Foundation; either version 2 of
  14 **      the License, or (at your option) any later version.
  15 **
  16 **      This package is distributed in the hope that it will be useful,
  17 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 **      General Public License for more details.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 #ifdef USING_PCH
  27 #       include "pch.h"
  28 #else
  29 #ifdef HAVE_CONFIG_H
  30 #       include <config.h>
  31 #endif
  32
  33 #include <gtkmm/dialog.h>
  34 #include <gtkmm/entry.h>
  35
  36 #include <synfig/valuenode_dynamiclist.h>
  37 #include <synfigapp/action_system.h>
  38 #include <synfig/valuenode_bline.h>
  39
  40 #include "state_polygon.h"
  41 #include "canvasview.h"
  42 #include "workarea.h"
  43 #include "app.h"
  44
  45 #include <synfigapp/action.h>
  46 #include "event_mouse.h"
  47 #include "event_layerclick.h"
  48 #include "toolbox.h"
  49 #include "dialog_tooloptions.h"
  50 #include <synfigapp/main.h>
  51
  52 #include "general.h"
  53
  54 #endif
  55
  56 /* === U S I N G =========================================================== */
  57
  58 using namespace std;
  59 using namespace etl;
  60 using namespace synfig;
  61 using namespace studio;
  62
  63 /* === M A C R O S ========================================================= */
  64
  65 /* === G L O B A L S ======================================================= */
  66
  67 StatePolygon studio::state_polygon;
  68
  69 /* === C L A S S E S & S T R U C T S ======================================= */
  70
  71 class studio::StatePolygon_Context : public sigc::trackable
  72 {
  73         etl::handle<CanvasView> canvas_view_;
  74         CanvasView::IsWorking is_working;
  75
  76         bool prev_table_status;
  77         bool prev_workarea_layer_status_;
  78
  79         Gtk::Menu menu;
  80
  81         Duckmatic::Push duckmatic_push;
  82
  83         std::list<synfig::Point> polygon_point_list;
  84         synfigapp::Settings& settings;
  85
  86
  87         bool on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter);
  88
  89
  90         void popup_handle_menu(synfigapp::ValueDesc value_desc);
  91
  92
  93         void refresh_ducks();
  94
  95         Gtk::Table options_table;
  96         Gtk::Entry entry_id;
  97         Gtk::CheckButton checkbutton_invert;
  98         Gtk::CheckButton checkbutton_layer_polygon;
  99         Gtk::CheckButton checkbutton_layer_region;
 100         Gtk::CheckButton checkbutton_layer_outline;
 101         Gtk::CheckButton checkbutton_layer_curve_gradient;
 102         Gtk::CheckButton checkbutton_layer_plant;
 103         Gtk::CheckButton checkbutton_layer_link_origins;
 104         Gtk::Button button_make;
 105         Gtk::Adjustment  adj_feather;
 106         Gtk::SpinButton  spin_feather;
 107
 108 public:
 109
 110         // this counts the layers we create - they all have origins we can link
 111         int layers_to_create()const
 112         {
 113                 return
 114                         get_layer_polygon_flag() +
 115                         get_layer_region_flag() +
 116                         get_layer_outline_flag() +
 117                         get_layer_curve_gradient_flag() +
 118                         get_layer_plant_flag();
 119         }
 120
 121         synfig::String get_id()const { return entry_id.get_text(); }
 122         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 123
 124         bool get_invert()const { return checkbutton_invert.get_active(); }
 125         void set_invert(bool i) { checkbutton_invert.set_active(i); }
 126
 127         bool get_layer_polygon_flag()const { return checkbutton_layer_polygon.get_active(); }
 128         void set_layer_polygon_flag(bool x) { return checkbutton_layer_polygon.set_active(x); }
 129
 130         bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
 131         void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
 132
 133         bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
 134         void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
 135
 136         bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
 137         void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
 138
 139         bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
 140         void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
 141
 142         bool get_layer_link_origins_flag()const { return checkbutton_layer_link_origins.get_active(); }
 143         void set_layer_link_origins_flag(bool x) { return checkbutton_layer_link_origins.set_active(x); }
 144
 145         Real get_feather() const { return adj_feather.get_value(); }
 146         void set_feather(Real x) { return adj_feather.set_value(x); }
 147
 148         Smach::event_result event_stop_handler(const Smach::event& x);
 149
 150         Smach::event_result event_refresh_handler(const Smach::event& x);
 151
 152         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 153         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 154         void refresh_tool_options();
 155
 156         StatePolygon_Context(CanvasView* canvas_view);
 157
 158         ~StatePolygon_Context();
 159
 160         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 161         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 162         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 163         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 164
 165         //void on_user_click(synfig::Point point);
 166         void load_settings();
 167         void save_settings();
 168         void reset();
 169         void increment_id();
 170         bool egress_on_selection_change;
 171         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 172         {
 173                 if(egress_on_selection_change)
 174                         throw Smach::egress_exception();
 175                 return Smach::RESULT_OK;
 176         }
 177
 178         void run();
 179 };      // END of class StatePolygon_Context
 180
 181 /* === M E T H O D S ======================================================= */
 182
 183 StatePolygon::StatePolygon():
 184         Smach::state<StatePolygon_Context>("polygon")
 185 {
 186         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StatePolygon_Context::event_layer_selection_changed_handler));
 187         insert(event_def(EVENT_STOP,&StatePolygon_Context::event_stop_handler));
 188         insert(event_def(EVENT_REFRESH,&StatePolygon_Context::event_refresh_handler));
 189         insert(event_def(EVENT_REFRESH_DUCKS,&StatePolygon_Context::event_refresh_handler));
 190         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StatePolygon_Context::event_mouse_click_handler));
 191         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StatePolygon_Context::event_refresh_tool_options));
 192 }
 193
 194 StatePolygon::~StatePolygon()
 195 {
 196 }
 197
 198 void
 199 StatePolygon_Context::load_settings()
 200 {
 201         String value;
 202
 203         if(settings.get_value("polygon.id",value))
 204                 set_id(value);
 205         else
 206                 set_id("Polygon");
 207
 208         if(settings.get_value("polygon.invert",value) && value != "0")
 209                 set_invert(true);
 210         else
 211                 set_invert(false);
 212
 213         if(settings.get_value("polygon.layer_polygon",value) && value=="0")
 214                 set_layer_polygon_flag(false);
 215         else
 216                 set_layer_polygon_flag(true);
 217
 218         if(settings.get_value("polygon.layer_region",value) && value=="1")
 219                 set_layer_region_flag(true);
 220         else
 221                 set_layer_region_flag(false);
 222
 223         if(settings.get_value("polygon.layer_outline",value) && value=="1")
 224                 set_layer_outline_flag(true);
 225         else
 226                 set_layer_outline_flag(false);
 227
 228         if(settings.get_value("polygon.layer_curve_gradient",value) && value=="1")
 229                 set_layer_curve_gradient_flag(true);
 230         else
 231                 set_layer_curve_gradient_flag(false);
 232
 233         if(settings.get_value("polygon.layer_plant",value) && value=="1")
 234                 set_layer_plant_flag(true);
 235         else
 236                 set_layer_plant_flag(false);
 237
 238         if(settings.get_value("polygon.layer_link_origins",value) && value=="0")
 239                 set_layer_link_origins_flag(false);
 240         else
 241                 set_layer_link_origins_flag(true);
 242
 243         if(settings.get_value("polygon.feather",value))
 244         {
 245                 Real n = atof(value.c_str());
 246                 set_feather(n);
 247         }
 248 }
 249
 250 void
 251 StatePolygon_Context::save_settings()
 252 {
 253         settings.set_value("polygon.id",get_id().c_str());
 254         settings.set_value("polygon.invert",get_invert()?"1":"0");
 255         settings.set_value("polygon.layer_polygon",get_layer_polygon_flag()?"1":"0");
 256         settings.set_value("polygon.layer_outline",get_layer_outline_flag()?"1":"0");
 257         settings.set_value("polygon.layer_region",get_layer_region_flag()?"1":"0");
 258         settings.set_value("polygon.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 259         settings.set_value("polygon.layer_plant",get_layer_plant_flag()?"1":"0");
 260         settings.set_value("polygon.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
 261         settings.set_value("polygon.feather",strprintf("%f",get_feather()));
 262 }
 263
 264 void
 265 StatePolygon_Context::reset()
 266 {
 267         polygon_point_list.clear();
 268         refresh_ducks();
 269 }
 270
 271 void
 272 StatePolygon_Context::increment_id()
 273 {
 274         String id(get_id());
 275         int number=1;
 276         int digits=0;
 277
 278         if(id.empty())
 279                 id="Polygon";
 280
 281         // If there is a number
 282         // already at the end of the
 283         // id, then remove it.
 284         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 285         {
 286                 // figure out how many digits it is
 287                 for (digits = 0;
 288                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 289                          digits++)
 290                         ;
 291
 292                 String str_number;
 293                 str_number=String(id,id.size()-digits,id.size());
 294                 id=String(id,0,id.size()-digits);
 295
 296                 number=atoi(str_number.c_str());
 297         }
 298         else
 299         {
 300                 number=1;
 301                 digits=3;
 302         }
 303
 304         number++;
 305
 306         // Add the number back onto the id
 307         {
 308                 const String format(strprintf("%%0%dd",digits));
 309                 id+=strprintf(format.c_str(),number);
 310         }
 311
 312         // Set the ID
 313         set_id(id);
 314 }
 315
 316 StatePolygon_Context::StatePolygon_Context(CanvasView* canvas_view):
 317         canvas_view_(canvas_view),
 318         is_working(*canvas_view),
 319         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 320         duckmatic_push(get_work_area()),
 321         settings(synfigapp::Main::get_selected_input_device()->settings()),
 322         entry_id(),
 323         checkbutton_invert(_("Invert")),
 324         checkbutton_layer_polygon(_("Create Polygon Layer")),
 325         checkbutton_layer_region(_("Create Region BLine")),
 326         checkbutton_layer_outline(_("Create Outline BLine")),
 327         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 328         checkbutton_layer_plant(_("Create Plant BLine")),
 329         checkbutton_layer_link_origins(_("Link Origins")),
 330         button_make(_("Make")),
 331         adj_feather(0,0,10000,0.01,0.1),
 332         spin_feather(adj_feather,0.01,4)
 333 {
 334         egress_on_selection_change=true;
 335         load_settings();
 336
 337         // Set up the tool options dialog
 338         options_table.attach(*manage(new Gtk::Label(_("Polygon Tool"))),        0, 2, 0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 339         options_table.attach(entry_id,                                                                          0, 2, 1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 340
 341         options_table.attach(checkbutton_layer_polygon,                                         0, 2, 2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 342         options_table.attach(checkbutton_layer_outline,                                         0, 2, 3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 343         options_table.attach(checkbutton_layer_region,                                          0, 2, 4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 344         options_table.attach(checkbutton_layer_plant,                                           0, 2, 5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 345         options_table.attach(checkbutton_layer_curve_gradient,                          0, 2, 6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 346         options_table.attach(checkbutton_layer_link_origins,                            0, 2, 7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 347
 348         //invert flag
 349         options_table.attach(checkbutton_invert,                                                        0, 2, 8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 350
 351         //feather stuff
 352         options_table.attach(*manage(new Gtk::Label(_("Feather"))),             0, 1, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 353         options_table.attach(spin_feather,                                                                      1, 2, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 354
 355         //options_table.attach(button_make, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 356         button_make.signal_pressed().connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
 357         options_table.show_all();
 358         refresh_tool_options();
 359         App::dialog_tool_options->present();
 360
 361
 362         // Turn off layer clicking
 363         get_work_area()->set_allow_layer_clicks(false);
 364
 365         // clear out the ducks
 366         get_work_area()->clear_ducks();
 367
 368         // Refresh the work area
 369         get_work_area()->queue_draw();
 370
 371         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 372
 373         // Hide the tables if they are showing
 374         prev_table_status=get_canvas_view()->tables_are_visible();
 375         if(prev_table_status)get_canvas_view()->hide_tables();
 376
 377         // Disable the time bar
 378         get_canvas_view()->set_sensitive_timebar(false);
 379
 380         // Connect a signal
 381         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_user_click));
 382
 383         App::toolbox->refresh();
 384 }
 385
 386 void
 387 StatePolygon_Context::refresh_tool_options()
 388 {
 389         App::dialog_tool_options->clear();
 390         App::dialog_tool_options->set_widget(options_table);
 391
 392         App::dialog_tool_options->set_local_name(_("Polygon Tool"));
 393         App::dialog_tool_options->set_name("polygon");
 394
 395         App::dialog_tool_options->add_button(
 396                 Gtk::StockID("gtk-execute"),
 397                 _("Make Polygon")
 398         )->signal_clicked().connect(
 399                 sigc::mem_fun(
 400                         *this,
 401                         &StatePolygon_Context::run
 402                 )
 403         );
 404
 405         App::dialog_tool_options->add_button(
 406                 Gtk::StockID("gtk-clear"),
 407                 _("Clear current Polygon")
 408         )->signal_clicked().connect(
 409                 sigc::mem_fun(
 410                         *this,
 411                         &StatePolygon_Context::reset
 412                 )
 413         );
 414 }
 415
 416 Smach::event_result
 417 StatePolygon_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 418 {
 419         refresh_tool_options();
 420         return Smach::RESULT_ACCEPT;
 421 }
 422
 423 StatePolygon_Context::~StatePolygon_Context()
 424 {
 425         run();
 426
 427         save_settings();
 428         // Restore layer clicking
 429         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 430
 431         App::dialog_tool_options->clear();
 432
 433         get_canvas_view()->work_area->reset_cursor();
 434
 435         // Enable the time bar
 436         get_canvas_view()->set_sensitive_timebar(true);
 437
 438         // Bring back the tables if they were out before
 439         if(prev_table_status)get_canvas_view()->show_tables();
 440
 441         // Refresh the work area
 442         get_work_area()->queue_draw();
 443
 444         App::toolbox->refresh();
 445 }
 446
 447 Smach::event_result
 448 StatePolygon_Context::event_stop_handler(const Smach::event& /*x*/)
 449 {
 450         synfig::info("STATE RotoPolygon: Received Stop Event");
 451         //throw Smach::egress_exception();
 452         reset();
 453         return Smach::RESULT_ACCEPT;
 454
 455 }
 456
 457 Smach::event_result
 458 StatePolygon_Context::event_refresh_handler(const Smach::event& /*x*/)
 459 {
 460         synfig::info("STATE RotoPolygon: Received Refresh Event");
 461         refresh_ducks();
 462         return Smach::RESULT_ACCEPT;
 463 }
 464
 465 void
 466 StatePolygon_Context::run()
 467 {
 468         if(polygon_point_list.empty())
 469                 return;
 470
 471         if(polygon_point_list.size()<3)
 472         {
 473                 get_canvas_view()->get_ui_interface()->error("You need at least 3 points to create a polygon");
 474                 return;
 475         }
 476
 477         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Polygon"));
 478
 479         Layer::Handle layer;
 480
 481         Canvas::Handle canvas;
 482         int depth(0);
 483
 484         // we are temporarily using the layer to hold something
 485         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 486         if(layer)
 487         {
 488                 depth=layer->get_depth();
 489                 canvas=layer->get_canvas();
 490         }
 491
 492         synfigapp::SelectionManager::LayerList layer_selection;
 493         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 494                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 495
 496         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 497
 498         std::vector<BLinePoint> new_list;
 499         std::list<synfig::Point>::iterator iter;
 500         int i;
 501         for(i=0,iter=polygon_point_list.begin();iter!=polygon_point_list.end();++iter,++i)
 502         {
 503                 *iter = transform.unperform(*iter);
 504                 new_list.push_back(*(new BLinePoint));
 505                 new_list[i].set_width(1);
 506                 new_list[i].set_vertex(*iter);
 507                 new_list[i].set_tangent(Point(0,0));
 508         }
 509
 510         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 511         assert(value_node_bline);
 512
 513         ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(Vector()));
 514         assert(value_node_origin);
 515
 516         // Set the looping flag
 517         value_node_bline->set_loop(true);
 518
 519         if(!canvas)
 520                 canvas=get_canvas_view()->get_canvas();
 521
 522         value_node_bline->set_member_canvas(canvas);
 523
 524         // count how many layers we're going to be creating
 525         int layers_to_create = this->layers_to_create();
 526
 527         ///////////////////////////////////////////////////////////////////////////
 528         //   P O L Y G O N
 529         ///////////////////////////////////////////////////////////////////////////
 530
 531         if (get_layer_polygon_flag())
 532         {
 533                 layer=get_canvas_interface()->add_layer_to("polygon",canvas,depth);
 534                 if (!layer)
 535                 {
 536                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 537                         group.cancel();
 538                         return;
 539                 }
 540                 layer_selection.push_back(layer);
 541
 542                 layer->set_param("invert",get_invert());
 543                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 544
 545                 if(get_feather())
 546                 {
 547                         layer->set_param("feather",get_feather());
 548                         get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 549                 }
 550
 551                 layer->set_description(get_id());
 552                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 553
 554
 555                 if(get_layer_outline_flag())
 556                 {
 557                         layer->set_param("color",synfigapp::Main::get_background_color());
 558                         get_canvas_interface()->signal_layer_param_changed()(layer,"color");
 559                 }
 560
 561                 layer->disconnect_dynamic_param("vector_list");
 562                 if(!layer->set_param("vector_list",polygon_point_list))
 563                 {
 564                         group.cancel();
 565                         get_canvas_view()->get_ui_interface()->error("Unable to set layer parameter");
 566                         return;
 567                 }
 568
 569                 {
 570                         synfigapp::Action::Handle action(synfigapp::Action::create("ValueDescConvert"));
 571                         synfigapp::ValueDesc value_desc(layer,"vector_list");
 572                         action->set_param("canvas",get_canvas());
 573                         action->set_param("canvas_interface",get_canvas_interface());
 574                         action->set_param("value_desc",value_desc);
 575                         action->set_param("type","dynamic_list");
 576                         action->set_param("time",get_canvas_interface()->get_time());
 577                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 578                         {
 579                                 group.cancel();
 580                                 get_canvas_view()->get_ui_interface()->error("Unable to execute action \"value_desc_convert\"");
 581                                 return;
 582                         }
 583                 }
 584
 585                 // only link the polygon's origin parameter if the option is selected and we're creating more than one layer
 586                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 587                 {
 588                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 589                         assert(action);
 590
 591                         action->set_param("canvas",get_canvas());
 592                         action->set_param("canvas_interface",get_canvas_interface());
 593                         action->set_param("layer",layer);
 594                         if(!action->set_param("param",String("origin")))
 595                                 synfig::error("LayerParamConnect didn't like \"param\"");
 596                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 597                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 598
 599                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 600                         {
 601                                 get_canvas_view()->get_ui_interface()->error(_("Unable to create Polygon layer"));
 602                                 group.cancel();
 603                                 throw String(_("Unable to create Polygon layer"));
 604                                 return;
 605                         }
 606                 }
 607         }
 608
 609         ///////////////////////////////////////////////////////////////////////////
 610         //   C U R V E   G R A D I E N T
 611         ///////////////////////////////////////////////////////////////////////////
 612
 613         if(get_layer_curve_gradient_flag())
 614         {
 615                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 616
 617                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 618                 if (!layer)
 619                 {
 620                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 621                         group.cancel();
 622                         return;
 623                 }
 624                 layer_selection.push_back(layer);
 625                 layer->set_description(get_id()+_(" Gradient"));
 626                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 627
 628                 {
 629                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 630                         assert(action);
 631
 632                         action->set_param("canvas",get_canvas());
 633                         action->set_param("canvas_interface",get_canvas_interface());
 634                         action->set_param("layer",layer);
 635                         if(!action->set_param("param",String("bline")))
 636                                 synfig::error("LayerParamConnect didn't like \"param\"");
 637                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 638                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 639
 640                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 641                         {
 642                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 643                                 group.cancel();
 644                                 throw String(_("Unable to create Gradient layer"));
 645                                 return;
 646                         }
 647                 }
 648
 649                 // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
 650                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 651                 {
 652                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 653                         assert(action);
 654
 655                         action->set_param("canvas",get_canvas());
 656                         action->set_param("canvas_interface",get_canvas_interface());
 657                         action->set_param("layer",layer);
 658                         if(!action->set_param("param",String("origin")))
 659                                 synfig::error("LayerParamConnect didn't like \"param\"");
 660                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 661                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 662
 663                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 664                         {
 665                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 666                                 group.cancel();
 667                                 throw String(_("Unable to create Gradient layer"));
 668                                 return;
 669                         }
 670                 }
 671         }
 672
 673         ///////////////////////////////////////////////////////////////////////////
 674         //   P L A N T
 675         ///////////////////////////////////////////////////////////////////////////
 676
 677         if(get_layer_plant_flag())
 678         {
 679                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 680
 681                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 682                 if (!layer)
 683                 {
 684                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 685                         group.cancel();
 686                         return;
 687                 }
 688                 layer_selection.push_back(layer);
 689                 layer->set_description(get_id()+_(" Plant"));
 690                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 691
 692                 {
 693                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 694                         assert(action);
 695
 696                         action->set_param("canvas",get_canvas());
 697                         action->set_param("canvas_interface",get_canvas_interface());
 698                         action->set_param("layer",layer);
 699                         if(!action->set_param("param",String("bline")))
 700                                 synfig::error("LayerParamConnect didn't like \"param\"");
 701                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 702                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 703
 704                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 705                         {
 706                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 707                                 group.cancel();
 708                                 throw String(_("Unable to create Plant layer"));
 709                                 return;
 710                         }
 711                 }
 712
 713                 // only link the plant's origin parameter if the option is selected and we're creating more than one layer
 714                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 715                 {
 716                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 717                         assert(action);
 718
 719                         action->set_param("canvas",get_canvas());
 720                         action->set_param("canvas_interface",get_canvas_interface());
 721                         action->set_param("layer",layer);
 722                         if(!action->set_param("param",String("origin")))
 723                                 synfig::error("LayerParamConnect didn't like \"param\"");
 724                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 725                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 726
 727                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 728                         {
 729                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 730                                 group.cancel();
 731                                 throw String(_("Unable to create Plant layer"));
 732                                 return;
 733                         }
 734                 }
 735         }
 736
 737         ///////////////////////////////////////////////////////////////////////////
 738         //   R E G I O N
 739         ///////////////////////////////////////////////////////////////////////////
 740
 741         if(get_layer_region_flag())
 742         {
 743                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 744
 745                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 746                 if (!layer)
 747                 {
 748                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 749                         group.cancel();
 750                         return;
 751                 }
 752                 layer_selection.push_back(layer);
 753                 layer->set_description(get_id()+_(" Region"));
 754                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 755
 756                 layer->set_param("feather",get_feather());
 757                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 758
 759                 layer->set_param("invert",get_invert());
 760                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 761
 762                 if(get_layer_outline_flag())
 763                         layer->set_param("color",synfigapp::Main::get_background_color());
 764
 765                 // I don't know if it's safe to reuse the same layer_param_connect action, so I'm
 766                 // using 2 separate ones.
 767                 {
 768                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 769                         assert(action);
 770
 771                         action->set_param("canvas",get_canvas());
 772                         action->set_param("canvas_interface",get_canvas_interface());
 773                         action->set_param("layer",layer);
 774                         if(!action->set_param("param",String("bline")))
 775                                 synfig::error("LayerParamConnect didn't like \"param\"");
 776                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 777                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 778
 779                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 780                         {
 781                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 782                                 group.cancel();
 783                                 throw String(_("Unable to create Region layer"));
 784                                 return;
 785                         }
 786                 }
 787
 788                 // only link the region's origin parameter if the option is selected and we're creating more than one layer
 789                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 790                 {
 791                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 792                         assert(action);
 793
 794                         action->set_param("canvas",get_canvas());
 795                         action->set_param("canvas_interface",get_canvas_interface());
 796                         action->set_param("layer",layer);
 797                         if(!action->set_param("param",String("origin")))
 798                                 synfig::error("LayerParamConnect didn't like \"param\"");
 799                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 800                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 801
 802                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 803                         {
 804                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 805                                 group.cancel();
 806                                 throw String(_("Unable to create Region layer"));
 807                                 return;
 808                         }
 809                 }
 810         }
 811
 812         ///////////////////////////////////////////////////////////////////////////
 813         //   O U T L I N E
 814         ///////////////////////////////////////////////////////////////////////////
 815
 816         if (get_layer_outline_flag())
 817         {
 818                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 819                 if (!layer)
 820                 {
 821                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 822                         group.cancel();
 823                         return;
 824                 }
 825                 layer_selection.push_back(layer);
 826                 layer->set_description(get_id()+_(" Outline"));
 827                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 828
 829                 layer->set_param("feather",get_feather());
 830                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 831
 832                 layer->set_param("invert",get_invert());
 833                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 834
 835                 {
 836                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 837                         assert(action);
 838
 839                         action->set_param("canvas",get_canvas());
 840                         action->set_param("canvas_interface",get_canvas_interface());
 841                         action->set_param("layer",layer);
 842                         if(!action->set_param("param",String("bline")))
 843                                 synfig::error("LayerParamConnect didn't like \"param\"");
 844                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 845                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 846
 847                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 848                         {
 849                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 850                                 group.cancel();
 851                                 throw String(_("Unable to create Outline layer"));
 852                                 return;
 853                         }
 854                 }
 855
 856                 // only link the outline's origin parameter if the option is selected and we're creating more than one layer
 857                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 858                 {
 859                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 860                         assert(action);
 861
 862                         action->set_param("canvas",get_canvas());
 863                         action->set_param("canvas_interface",get_canvas_interface());
 864                         action->set_param("layer",layer);
 865                         if(!action->set_param("param",String("origin")))
 866                                 synfig::error("LayerParamConnect didn't like \"param\"");
 867                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 868                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 869
 870                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 871                         {
 872                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 873                                 group.cancel();
 874                                 throw String(_("Unable to create Outline layer"));
 875                                 return;
 876                         }
 877                 }
 878         }
 879
 880         egress_on_selection_change=false;
 881         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 882         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 883         egress_on_selection_change=true;
 884
 885         //post clean up stuff...
 886         reset();
 887         increment_id();
 888 }
 889
 890 Smach::event_result
 891 StatePolygon_Context::event_mouse_click_handler(const Smach::event& x)
 892 {
 893         synfig::info("STATE ROTOPOLYGON: Received mouse button down Event");
 894         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 895         switch(event.button)
 896         {
 897         case BUTTON_LEFT:
 898                 polygon_point_list.push_back(get_work_area()->snap_point_to_grid(event.pos));
 899                 refresh_ducks();
 900                 return Smach::RESULT_ACCEPT;
 901
 902         default:
 903                 return Smach::RESULT_OK;
 904         }
 905 }
 906
 907
 908 void
 909 StatePolygon_Context::refresh_ducks()
 910 {
 911         get_work_area()->clear_ducks();
 912
 913         if(polygon_point_list.empty()) return;
 914
 915         std::list<synfig::Point>::iterator iter=polygon_point_list.begin();
 916
 917         etl::handle<WorkArea::Duck> duck;
 918         duck=new WorkArea::Duck(*iter);
 919         duck->set_editable(true);
 920         duck->signal_edited().connect(
 921                 sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
 922         );
 923         duck->signal_user_click(0).connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
 924
 925         get_work_area()->add_duck(duck);
 926
 927         for(++iter;iter!=polygon_point_list.end();++iter)
 928         {
 929                 etl::handle<WorkArea::Bezier> bezier(new WorkArea::Bezier());
 930                 bezier->p1=bezier->c1=duck;
 931
 932                 duck=new WorkArea::Duck(*iter);
 933                 duck->set_editable(true);
 934                 duck->set_name(strprintf("%x",&*iter));
 935                 duck->signal_edited().connect(
 936                         sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
 937                 );
 938
 939                 get_work_area()->add_duck(duck);
 940
 941                 bezier->p2=bezier->c2=duck;
 942                 get_work_area()->add_bezier(bezier);
 943         }
 944         get_work_area()->queue_draw();
 945 }
 946
 947
 948 bool
 949 StatePolygon_Context::on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter)
 950 {
 951         *iter=point;
 952         return true;
 953 }