synfig-studio/src/gui/states/state_rectangle.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_rectangle.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) 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_rectangle.h"
  41 #include "state_normal.h"
  42 #include "canvasview.h"
  43 #include "workarea.h"
  44 #include "app.h"
  45
  46 #include <synfigapp/action.h>
  47 #include "event_mouse.h"
  48 #include "event_layerclick.h"
  49 #include "toolbox.h"
  50 #include "docks/dialog_tooloptions.h"
  51 #include <gtkmm/optionmenu.h>
  52 #include "duck.h"
  53 #include <synfigapp/main.h>
  54
  55 #include "general.h"
  56
  57 #endif
  58
  59 /* === U S I N G =========================================================== */
  60
  61 using namespace std;
  62 using namespace etl;
  63 using namespace synfig;
  64 using namespace studio;
  65
  66 /* === M A C R O S ========================================================= */
  67
  68 /* === G L O B A L S ======================================================= */
  69
  70 StateRectangle studio::state_rectangle;
  71
  72 /* === C L A S S E S & S T R U C T S ======================================= */
  73
  74 class studio::StateRectangle_Context : public sigc::trackable
  75 {
  76         etl::handle<CanvasView> canvas_view_;
  77         CanvasView::IsWorking is_working;
  78
  79         Duckmatic::Push duckmatic_push;
  80
  81         Point point_holder;
  82
  83         etl::handle<Duck> point2_duck;
  84
  85         void refresh_ducks();
  86
  87         bool prev_workarea_layer_status_;
  88
  89         //Toolbox settings
  90         synfigapp::Settings& settings;
  91
  92         //Toolbox display
  93         Gtk::Table options_table;
  94
  95         Gtk::Entry              entry_id; //what to name the layer
  96
  97         Gtk::Adjustment adj_expand;
  98         Gtk::Adjustment adj_feather;
  99         Gtk::SpinButton spin_expand;
 100         Gtk::SpinButton spin_feather;
 101
 102         Gtk::CheckButton checkbutton_invert;
 103         Gtk::CheckButton checkbutton_layer_rectangle;
 104         Gtk::CheckButton checkbutton_layer_region;
 105         Gtk::CheckButton checkbutton_layer_outline;
 106         Gtk::CheckButton checkbutton_layer_curve_gradient;
 107         Gtk::CheckButton checkbutton_layer_plant;
 108         Gtk::CheckButton checkbutton_layer_link_origins;
 109
 110 public:
 111
 112         // this only counts the layers which use blines - they're the only
 113         // ones we link the origins for
 114         int layers_to_create()const
 115         {
 116                 return
 117                         get_layer_region_flag() +
 118                         get_layer_outline_flag() +
 119                         get_layer_curve_gradient_flag() +
 120                         get_layer_plant_flag();
 121         }
 122
 123         synfig::String get_id()const { return entry_id.get_text(); }
 124         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 125
 126         Real get_expand()const { return adj_expand.get_value(); }
 127         void set_expand(Real f) { adj_expand.set_value(f); }
 128
 129         Real get_feather()const { return adj_feather.get_value(); }
 130         void set_feather(Real f) { adj_feather.set_value(f); }
 131
 132         bool get_invert()const { return checkbutton_invert.get_active(); }
 133         void set_invert(bool i) { checkbutton_invert.set_active(i); }
 134
 135         bool get_layer_rectangle_flag()const { return checkbutton_layer_rectangle.get_active(); }
 136         void set_layer_rectangle_flag(bool x) { return checkbutton_layer_rectangle.set_active(x); }
 137
 138         bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
 139         void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
 140
 141         bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
 142         void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
 143
 144         bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
 145         void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
 146
 147         bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
 148         void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
 149
 150         bool get_layer_link_origins_flag()const { return checkbutton_layer_link_origins.get_active(); }
 151         void set_layer_link_origins_flag(bool x) { return checkbutton_layer_link_origins.set_active(x); }
 152
 153         void refresh_tool_options(); //to refresh the toolbox
 154
 155         //events
 156         Smach::event_result event_stop_handler(const Smach::event& x);
 157         Smach::event_result event_refresh_handler(const Smach::event& x);
 158         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 159         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 160
 161         //constructor destructor
 162         StateRectangle_Context(CanvasView* canvas_view);
 163         ~StateRectangle_Context();
 164
 165         //Canvas interaction
 166         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 167         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 168         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 169         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 170
 171         //Modifying settings etc.
 172         void load_settings();
 173         void save_settings();
 174         void reset();
 175         void increment_id();
 176         bool egress_on_selection_change;
 177         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 178         {
 179                 if(egress_on_selection_change)
 180                         throw &state_normal; //throw Smach::egress_exception();
 181                 return Smach::RESULT_OK;
 182         }
 183
 184         void make_rectangle(const Point& p1, const Point& p2);
 185
 186 };      // END of class StateGradient_Context
 187
 188 /* === M E T H O D S ======================================================= */
 189
 190 StateRectangle::StateRectangle():
 191         Smach::state<StateRectangle_Context>("rectangle")
 192 {
 193         insert(event_def(EVENT_STOP,&StateRectangle_Context::event_stop_handler));
 194         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateRectangle_Context::event_layer_selection_changed_handler));
 195         insert(event_def(EVENT_REFRESH,&StateRectangle_Context::event_refresh_handler));
 196         insert(event_def(EVENT_REFRESH_DUCKS,&StateRectangle_Context::event_refresh_handler));
 197         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateRectangle_Context::event_mouse_click_handler));
 198         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateRectangle_Context::event_mouse_click_handler));
 199         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateRectangle_Context::event_mouse_click_handler));
 200         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateRectangle_Context::event_refresh_tool_options));
 201 }
 202
 203 StateRectangle::~StateRectangle()
 204 {
 205 }
 206
 207 void
 208 StateRectangle_Context::load_settings()
 209 {
 210         try
 211         {
 212                 synfig::ChangeLocale change_locale(LC_NUMERIC, "C");
 213                 String value;
 214
 215                 //parse the arguments yargh!
 216                 if(settings.get_value("rectangle.id",value))
 217                         set_id(value);
 218                 else
 219                         set_id("Rectangle");
 220
 221                 if(settings.get_value("rectangle.expand",value))
 222                         set_expand(atof(value.c_str()));
 223                 else
 224                         set_expand(0);
 225
 226                 if(settings.get_value("rectangle.feather",value))
 227                         set_feather(atof(value.c_str()));
 228                 else
 229                         set_feather(0);
 230
 231                 if(settings.get_value("rectangle.invert",value) && value != "0")
 232                         set_invert(true);
 233                 else
 234                         set_invert(false);
 235
 236                 if(settings.get_value("rectangle.layer_rectangle",value) && value=="0")
 237                         set_layer_rectangle_flag(false);
 238                 else
 239                         set_layer_rectangle_flag(true);
 240
 241                 if(settings.get_value("rectangle.layer_region",value) && value=="1")
 242                         set_layer_region_flag(true);
 243                 else
 244                         set_layer_region_flag(false);
 245
 246                 if(settings.get_value("rectangle.layer_outline",value) && value=="1")
 247                         set_layer_outline_flag(true);
 248                 else
 249                         set_layer_outline_flag(false);
 250
 251                 if(settings.get_value("rectangle.layer_curve_gradient",value) && value=="1")
 252                         set_layer_curve_gradient_flag(true);
 253                 else
 254                         set_layer_curve_gradient_flag(false);
 255
 256                 if(settings.get_value("rectangle.layer_plant",value) && value=="1")
 257                         set_layer_plant_flag(true);
 258                 else
 259                         set_layer_plant_flag(false);
 260
 261                 if(settings.get_value("rectangle.layer_link_origins",value) && value=="0")
 262                         set_layer_link_origins_flag(false);
 263                 else
 264                         set_layer_link_origins_flag(true);
 265         }
 266         catch(...)
 267         {
 268                 synfig::warning("State Rectangle: Caught exception when attempting to load settings.");
 269         }
 270 }
 271
 272 void
 273 StateRectangle_Context::save_settings()
 274 {
 275         try
 276         {
 277                 synfig::ChangeLocale change_locale(LC_NUMERIC, "C");
 278                 settings.set_value("rectangle.id",get_id().c_str());
 279                 settings.set_value("rectangle.expand",strprintf("%f",get_expand()));
 280                 settings.set_value("rectangle.feather",strprintf("%f",(float)get_feather()));
 281                 settings.set_value("rectangle.invert",get_invert()?"1":"0");
 282                 settings.set_value("rectangle.layer_rectangle",get_layer_rectangle_flag()?"1":"0");
 283                 settings.set_value("rectangle.layer_outline",get_layer_outline_flag()?"1":"0");
 284                 settings.set_value("rectangle.layer_region",get_layer_region_flag()?"1":"0");
 285                 settings.set_value("rectangle.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 286                 settings.set_value("rectangle.layer_plant",get_layer_plant_flag()?"1":"0");
 287                 settings.set_value("rectangle.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
 288         }
 289         catch(...)
 290         {
 291                 synfig::warning("State Rectangle: Caught exception when attempting to save settings.");
 292         }
 293 }
 294
 295 void
 296 StateRectangle_Context::reset()
 297 {
 298         refresh_ducks();
 299 }
 300
 301 void
 302 StateRectangle_Context::increment_id()
 303 {
 304         String id(get_id());
 305         int number=1;
 306         int digits=0;
 307
 308         if(id.empty())
 309                 id="Rectangle";
 310
 311         // If there is a number
 312         // already at the end of the
 313         // id, then remove it.
 314         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 315         {
 316                 // figure out how many digits it is
 317                 for (digits = 0;
 318                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 319                          digits++)
 320                         ;
 321
 322                 String str_number;
 323                 str_number=String(id,id.size()-digits,id.size());
 324                 id=String(id,0,id.size()-digits);
 325
 326                 number=atoi(str_number.c_str());
 327         }
 328         else
 329         {
 330                 number=1;
 331                 digits=3;
 332         }
 333
 334         number++;
 335
 336         // Add the number back onto the id
 337         {
 338                 const String format(strprintf("%%0%dd",digits));
 339                 id+=strprintf(format.c_str(),number);
 340         }
 341
 342         // Set the ID
 343         set_id(id);
 344 }
 345
 346 StateRectangle_Context::StateRectangle_Context(CanvasView* canvas_view):
 347         canvas_view_(canvas_view),
 348         is_working(*canvas_view),
 349         duckmatic_push(get_work_area()),
 350         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 351         settings(synfigapp::Main::get_selected_input_device()->settings()),
 352         entry_id(),
 353         adj_expand(0,0,1,0.01,0.1),
 354         adj_feather(0,0,1,0.01,0.1),
 355         spin_expand(adj_expand,0.1,3),
 356         spin_feather(adj_feather,0.1,3),
 357         checkbutton_invert(_("Invert")),
 358         checkbutton_layer_rectangle(_("Create Rectangle Layer")),
 359         checkbutton_layer_region(_("Create Region BLine")),
 360         checkbutton_layer_outline(_("Create Outline BLine")),
 361         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 362         checkbutton_layer_plant(_("Create Plant BLine")),
 363         checkbutton_layer_link_origins(_("Link BLine Origins"))
 364 {
 365         egress_on_selection_change=true;
 366         load_settings();
 367
 368         // Set up the tool options dialog
 369         options_table.attach(*manage(new Gtk::Label(_("Rectangle Tool"))),      0, 2,  0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 370         options_table.attach(entry_id,                                                                          0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 371
 372         options_table.attach(checkbutton_layer_rectangle,                                       0, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 373         options_table.attach(checkbutton_layer_outline,                                         0, 2,  3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 374         options_table.attach(checkbutton_layer_region,                                          0, 2,  4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 375         options_table.attach(checkbutton_layer_plant,                                           0, 2,  5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 376         options_table.attach(checkbutton_layer_curve_gradient,                          0, 2,  6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 377         options_table.attach(checkbutton_layer_link_origins,                            0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 378
 379         //invert flag
 380         options_table.attach(checkbutton_invert,                                                        0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 381
 382         //expand stuff
 383         options_table.attach(*manage(new Gtk::Label(_("Expansion:"))),          0, 1,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 384         options_table.attach(spin_expand,                                                                       1, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 385
 386         //feather stuff
 387         options_table.attach(*manage(new Gtk::Label(_("Feather:"))),            0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 388         options_table.attach(spin_feather,                                                                      1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 389
 390         options_table.show_all();
 391
 392         //App::dialog_tool_options->set_widget(options_table);
 393         refresh_tool_options();
 394         App::dialog_tool_options->present();
 395
 396         // Turn off layer clicking
 397         get_work_area()->set_allow_layer_clicks(false);
 398
 399         // clear out the ducks
 400         get_work_area()->clear_ducks();
 401
 402         // Refresh the work area
 403         get_work_area()->queue_draw();
 404
 405         get_work_area()->set_cursor(Gdk::DOTBOX);
 406
 407         // Hide the tables if they are showing
 408         //prev_table_status=get_canvas_view()->tables_are_visible();
 409         //if(prev_table_status)get_canvas_view()->hide_tables();
 410
 411         // Disable the time bar
 412         //get_canvas_view()->set_sensitive_timebar(false);
 413
 414         // Connect a signal
 415         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateRectangle_Context::on_user_click));
 416
 417         App::toolbox->refresh();
 418 }
 419
 420 void
 421 StateRectangle_Context::refresh_tool_options()
 422 {
 423         App::dialog_tool_options->clear();
 424         App::dialog_tool_options->set_widget(options_table);
 425         App::dialog_tool_options->set_local_name(_("Rectangle Tool"));
 426         App::dialog_tool_options->set_name("rectangle");
 427 }
 428
 429 Smach::event_result
 430 StateRectangle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 431 {
 432         refresh_tool_options();
 433         return Smach::RESULT_ACCEPT;
 434 }
 435
 436 StateRectangle_Context::~StateRectangle_Context()
 437 {
 438         save_settings();
 439
 440         // Restore layer clicking
 441         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 442
 443         get_work_area()->reset_cursor();
 444
 445         App::dialog_tool_options->clear();
 446
 447         // Enable the time bar
 448         //get_canvas_view()->set_sensitive_timebar(true);
 449
 450         // Bring back the tables if they were out before
 451         //if(prev_table_status)get_canvas_view()->show_tables();
 452
 453         // Refresh the work area
 454         get_work_area()->queue_draw();
 455
 456         get_canvas_view()->queue_rebuild_ducks();
 457
 458         App::toolbox->refresh();
 459 }
 460
 461 Smach::event_result
 462 StateRectangle_Context::event_stop_handler(const Smach::event& /*x*/)
 463 {
 464         //throw Smach::egress_exception();
 465         throw &state_normal;
 466         return Smach::RESULT_OK;
 467 }
 468
 469 Smach::event_result
 470 StateRectangle_Context::event_refresh_handler(const Smach::event& /*x*/)
 471 {
 472         refresh_ducks();
 473         return Smach::RESULT_ACCEPT;
 474 }
 475
 476 void
 477 StateRectangle_Context::make_rectangle(const Point& _p1, const Point& _p2)
 478 {
 479         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Rectangle"));
 480         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 481
 482         Layer::Handle layer;
 483
 484         Canvas::Handle canvas;
 485         int depth(0);
 486
 487         // we are temporarily using the layer to hold something
 488         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 489         if(layer)
 490         {
 491                 depth=layer->get_depth();
 492                 canvas=layer->get_canvas();
 493         }
 494
 495         synfigapp::SelectionManager::LayerList layer_selection;
 496         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 497                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 498
 499         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 500         const Point p1(transform.unperform(_p1));
 501         const Point p2(transform.unperform(_p2));
 502         Real x_min, x_max, y_min, y_max;
 503         if (p1[0] < p2[0]) { x_min = p1[0]; x_max = p2[0]; } else { x_min = p2[0]; x_max = p1[0]; }
 504         if (p1[1] < p2[1]) { y_min = p1[1]; y_max = p2[1]; } else { y_min = p2[1]; y_max = p1[1]; }
 505         x_min -= get_expand(); x_max += get_expand(); y_min -= get_expand(); y_max += get_expand();
 506
 507         std::vector<BLinePoint> new_list;
 508         for (int i = 0; i < 4; i++)
 509         {
 510                 new_list.push_back(*(new BLinePoint));
 511                 new_list[i].set_width(1);
 512                 new_list[i].set_vertex(Point((i==0||i==3)?x_min:x_max,
 513                                                                          (i==0||i==1)?y_min:y_max));
 514                 new_list[i].set_tangent(Point(0,0));
 515         }
 516
 517         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 518         assert(value_node_bline);
 519
 520         ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(Vector()));
 521         assert(value_node_origin);
 522
 523         // Set the looping flag
 524         value_node_bline->set_loop(true);
 525
 526         if(!canvas)
 527                 canvas=get_canvas_view()->get_canvas();
 528
 529         value_node_bline->set_member_canvas(canvas);
 530
 531         // count how many layers we're going to be creating
 532         int layers_to_create = this->layers_to_create();
 533
 534         ///////////////////////////////////////////////////////////////////////////
 535         //   R E C T A N G L E
 536         ///////////////////////////////////////////////////////////////////////////
 537
 538         if (get_layer_rectangle_flag())
 539         {
 540                 layer=get_canvas_interface()->add_layer_to("rectangle",canvas,depth);
 541                 if (!layer)
 542                 {
 543                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 544                         group.cancel();
 545                         return;
 546                 }
 547                 layer_selection.push_back(layer);
 548
 549                 layer->set_param("point1",p1);
 550                 get_canvas_interface()->signal_layer_param_changed()(layer,"point1");
 551
 552                 layer->set_param("point2",p2);
 553                 get_canvas_interface()->signal_layer_param_changed()(layer,"point2");
 554
 555                 layer->set_param("expand",get_expand());
 556                 get_canvas_interface()->signal_layer_param_changed()(layer,"expand");
 557
 558                 layer->set_param("invert",get_invert());
 559                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 560
 561                 layer->set_description(get_id());
 562                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 563         }
 564
 565         ///////////////////////////////////////////////////////////////////////////
 566         //   C U R V E   G R A D I E N T
 567         ///////////////////////////////////////////////////////////////////////////
 568
 569         if(get_layer_curve_gradient_flag())
 570         {
 571                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 572
 573                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 574                 if (!layer)
 575                 {
 576                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 577                         group.cancel();
 578                         return;
 579                 }
 580                 layer_selection.push_back(layer);
 581                 layer->set_description(get_id()+_(" Gradient"));
 582                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 583
 584                 {
 585                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 586                         assert(action);
 587
 588                         action->set_param("canvas",get_canvas());
 589                         action->set_param("canvas_interface",get_canvas_interface());
 590                         action->set_param("layer",layer);
 591                         if(!action->set_param("param",String("bline")))
 592                                 synfig::error("LayerParamConnect didn't like \"param\"");
 593                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 594                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 595
 596                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 597                         {
 598                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 599                                 group.cancel();
 600                                 throw String(_("Unable to create Gradient layer"));
 601                                 return;
 602                         }
 603                 }
 604
 605                 // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
 606                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 607                 {
 608                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 609                         assert(action);
 610
 611                         action->set_param("canvas",get_canvas());
 612                         action->set_param("canvas_interface",get_canvas_interface());
 613                         action->set_param("layer",layer);
 614                         if(!action->set_param("param",String("origin")))
 615                                 synfig::error("LayerParamConnect didn't like \"param\"");
 616                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 617                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 618
 619                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 620                         {
 621                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 622                                 group.cancel();
 623                                 throw String(_("Unable to create Gradient layer"));
 624                                 return;
 625                         }
 626                 }
 627         }
 628
 629         ///////////////////////////////////////////////////////////////////////////
 630         //   P L A N T
 631         ///////////////////////////////////////////////////////////////////////////
 632
 633         if(get_layer_plant_flag())
 634         {
 635                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 636
 637                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 638                 if (!layer)
 639                 {
 640                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 641                         group.cancel();
 642                         return;
 643                 }
 644                 layer_selection.push_back(layer);
 645                 layer->set_description(get_id()+_(" Plant"));
 646                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 647
 648                 {
 649                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 650                         assert(action);
 651
 652                         action->set_param("canvas",get_canvas());
 653                         action->set_param("canvas_interface",get_canvas_interface());
 654                         action->set_param("layer",layer);
 655                         if(!action->set_param("param",String("bline")))
 656                                 synfig::error("LayerParamConnect didn't like \"param\"");
 657                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 658                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 659
 660                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 661                         {
 662                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 663                                 group.cancel();
 664                                 throw String(_("Unable to create Plant layer"));
 665                                 return;
 666                         }
 667                 }
 668
 669                 // only link the plant's origin parameter if the option is selected and we're creating more than one layer
 670                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 671                 {
 672                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 673                         assert(action);
 674
 675                         action->set_param("canvas",get_canvas());
 676                         action->set_param("canvas_interface",get_canvas_interface());
 677                         action->set_param("layer",layer);
 678                         if(!action->set_param("param",String("origin")))
 679                                 synfig::error("LayerParamConnect didn't like \"param\"");
 680                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 681                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 682
 683                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 684                         {
 685                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 686                                 group.cancel();
 687                                 throw String(_("Unable to create Plant layer"));
 688                                 return;
 689                         }
 690                 }
 691         }
 692
 693         ///////////////////////////////////////////////////////////////////////////
 694         //   R E G I O N
 695         ///////////////////////////////////////////////////////////////////////////
 696
 697         if(get_layer_region_flag())
 698         {
 699                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 700
 701                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 702                 if (!layer)
 703                 {
 704                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 705                         group.cancel();
 706                         return;
 707                 }
 708                 layer_selection.push_back(layer);
 709                 layer->set_description(get_id()+_(" Region"));
 710                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 711
 712                 layer->set_param("feather",get_feather());
 713                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 714
 715                 layer->set_param("invert",get_invert());
 716                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 717
 718                 // I don't know if it's safe to reuse the same LayerParamConnect action, so I'm
 719                 // using 2 separate ones.
 720                 {
 721                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 722                         assert(action);
 723
 724                         action->set_param("canvas",get_canvas());
 725                         action->set_param("canvas_interface",get_canvas_interface());
 726                         action->set_param("layer",layer);
 727                         if(!action->set_param("param",String("bline")))
 728                                 synfig::error("LayerParamConnect didn't like \"param\"");
 729                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 730                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 731
 732                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 733                         {
 734                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 735                                 group.cancel();
 736                                 throw String(_("Unable to create Region layer"));
 737                                 return;
 738                         }
 739                 }
 740
 741                 // only link the region's origin parameter if the option is selected and we're creating more than one layer
 742                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 743                 {
 744                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 745                         assert(action);
 746
 747                         action->set_param("canvas",get_canvas());
 748                         action->set_param("canvas_interface",get_canvas_interface());
 749                         action->set_param("layer",layer);
 750                         if(!action->set_param("param",String("origin")))
 751                                 synfig::error("LayerParamConnect didn't like \"param\"");
 752                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 753                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 754
 755                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 756                         {
 757                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 758                                 group.cancel();
 759                                 throw String(_("Unable to create Region layer"));
 760                                 return;
 761                         }
 762                 }
 763         }
 764
 765         ///////////////////////////////////////////////////////////////////////////
 766         //   O U T L I N E
 767         ///////////////////////////////////////////////////////////////////////////
 768
 769         if (get_layer_outline_flag())
 770         {
 771                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 772                 if (!layer)
 773                 {
 774                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 775                         group.cancel();
 776                         return;
 777                 }
 778                 layer_selection.push_back(layer);
 779                 layer->set_description(get_id()+_(" Outline"));
 780                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 781
 782                 layer->set_param("feather",get_feather());
 783                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 784
 785                 layer->set_param("invert",get_invert());
 786                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 787
 788                 {
 789                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 790                         assert(action);
 791
 792                         action->set_param("canvas",get_canvas());
 793                         action->set_param("canvas_interface",get_canvas_interface());
 794                         action->set_param("layer",layer);
 795                         if(!action->set_param("param",String("bline")))
 796                                 synfig::error("LayerParamConnect didn't like \"param\"");
 797                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 798                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 799
 800                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 801                         {
 802                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 803                                 group.cancel();
 804                                 throw String(_("Unable to create Outline layer"));
 805                                 return;
 806                         }
 807                 }
 808
 809                 // only link the outline's origin parameter if the option is selected and we're creating more than one layer
 810                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 811                 {
 812                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 813                         assert(action);
 814
 815                         action->set_param("canvas",get_canvas());
 816                         action->set_param("canvas_interface",get_canvas_interface());
 817                         action->set_param("layer",layer);
 818                         if(!action->set_param("param",String("origin")))
 819                                 synfig::error("LayerParamConnect didn't like \"param\"");
 820                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 821                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 822
 823                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 824                         {
 825                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 826                                 group.cancel();
 827                                 throw String(_("Unable to create Outline layer"));
 828                                 return;
 829                         }
 830                 }
 831         }
 832
 833         egress_on_selection_change=false;
 834         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 835         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 836         egress_on_selection_change=true;
 837
 838         //post clean up stuff...
 839         reset();
 840         increment_id();
 841 }
 842
 843 Smach::event_result
 844 StateRectangle_Context::event_mouse_click_handler(const Smach::event& x)
 845 {
 846         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 847
 848         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
 849         {
 850                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
 851                 etl::handle<Duck> duck=new Duck();
 852                 duck->set_point(point_holder);
 853                 duck->set_name("p1");
 854                 duck->set_type(Duck::TYPE_POSITION);
 855                 get_work_area()->add_duck(duck);
 856
 857                 point2_duck=new Duck();
 858                 point2_duck->set_point(point_holder);
 859                 point2_duck->set_name("p2");
 860                 point2_duck->set_type(Duck::TYPE_POSITION);
 861                 point2_duck->set_box_duck(duck);
 862                 get_work_area()->add_duck(point2_duck);
 863
 864                 return Smach::RESULT_ACCEPT;
 865         }
 866
 867         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
 868         {
 869                 if (!point2_duck) return Smach::RESULT_OK;
 870                 point2_duck->set_point(get_work_area()->snap_point_to_grid(event.pos));
 871                 get_work_area()->queue_draw();
 872                 return Smach::RESULT_ACCEPT;
 873         }
 874
 875         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
 876         {
 877                 make_rectangle(point_holder, get_work_area()->snap_point_to_grid(event.pos));
 878                 get_work_area()->clear_ducks();
 879                 return Smach::RESULT_ACCEPT;
 880         }
 881
 882         return Smach::RESULT_OK;
 883 }
 884
 885
 886 void
 887 StateRectangle_Context::refresh_ducks()
 888 {
 889         get_work_area()->clear_ducks();
 890         get_work_area()->queue_draw();
 891 }