synfig-studio/src/gtkmm/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 "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         String value;
 211
 212         //parse the arguments yargh!
 213         if(settings.get_value("rectangle.id",value))
 214                 set_id(value);
 215         else
 216                 set_id("Rectangle");
 217
 218         if(settings.get_value("rectangle.expand",value))
 219                 set_expand(atof(value.c_str()));
 220         else
 221                 set_expand(0);
 222
 223         if(settings.get_value("rectangle.feather",value))
 224                 set_feather(atof(value.c_str()));
 225         else
 226                 set_feather(0);
 227
 228         if(settings.get_value("rectangle.invert",value) && value != "0")
 229                 set_invert(true);
 230         else
 231                 set_invert(false);
 232
 233         if(settings.get_value("rectangle.layer_rectangle",value) && value=="0")
 234                 set_layer_rectangle_flag(false);
 235         else
 236                 set_layer_rectangle_flag(true);
 237
 238         if(settings.get_value("rectangle.layer_region",value) && value=="1")
 239                 set_layer_region_flag(true);
 240         else
 241                 set_layer_region_flag(false);
 242
 243         if(settings.get_value("rectangle.layer_outline",value) && value=="1")
 244                 set_layer_outline_flag(true);
 245         else
 246                 set_layer_outline_flag(false);
 247
 248         if(settings.get_value("rectangle.layer_curve_gradient",value) && value=="1")
 249                 set_layer_curve_gradient_flag(true);
 250         else
 251                 set_layer_curve_gradient_flag(false);
 252
 253         if(settings.get_value("rectangle.layer_plant",value) && value=="1")
 254                 set_layer_plant_flag(true);
 255         else
 256                 set_layer_plant_flag(false);
 257
 258         if(settings.get_value("rectangle.layer_link_origins",value) && value=="0")
 259                 set_layer_link_origins_flag(false);
 260         else
 261                 set_layer_link_origins_flag(true);
 262 }
 263
 264 void
 265 StateRectangle_Context::save_settings()
 266 {
 267         settings.set_value("rectangle.id",get_id().c_str());
 268         settings.set_value("rectangle.expand",strprintf("%f",get_expand()));
 269         settings.set_value("rectangle.feather",strprintf("%f",(float)get_feather()));
 270         settings.set_value("rectangle.invert",get_invert()?"1":"0");
 271         settings.set_value("rectangle.layer_rectangle",get_layer_rectangle_flag()?"1":"0");
 272         settings.set_value("rectangle.layer_outline",get_layer_outline_flag()?"1":"0");
 273         settings.set_value("rectangle.layer_region",get_layer_region_flag()?"1":"0");
 274         settings.set_value("rectangle.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 275         settings.set_value("rectangle.layer_plant",get_layer_plant_flag()?"1":"0");
 276         settings.set_value("rectangle.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
 277 }
 278
 279 void
 280 StateRectangle_Context::reset()
 281 {
 282         refresh_ducks();
 283 }
 284
 285 void
 286 StateRectangle_Context::increment_id()
 287 {
 288         String id(get_id());
 289         int number=1;
 290         int digits=0;
 291
 292         if(id.empty())
 293                 id="Rectangle";
 294
 295         // If there is a number
 296         // already at the end of the
 297         // id, then remove it.
 298         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 299         {
 300                 // figure out how many digits it is
 301                 for (digits = 0;
 302                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 303                          digits++)
 304                         ;
 305
 306                 String str_number;
 307                 str_number=String(id,id.size()-digits,id.size());
 308                 id=String(id,0,id.size()-digits);
 309
 310                 number=atoi(str_number.c_str());
 311         }
 312         else
 313         {
 314                 number=1;
 315                 digits=3;
 316         }
 317
 318         number++;
 319
 320         // Add the number back onto the id
 321         {
 322                 const String format(strprintf("%%0%dd",digits));
 323                 id+=strprintf(format.c_str(),number);
 324         }
 325
 326         // Set the ID
 327         set_id(id);
 328 }
 329
 330 StateRectangle_Context::StateRectangle_Context(CanvasView* canvas_view):
 331         canvas_view_(canvas_view),
 332         is_working(*canvas_view),
 333         duckmatic_push(get_work_area()),
 334         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 335         settings(synfigapp::Main::get_selected_input_device()->settings()),
 336         entry_id(),
 337         adj_expand(0,0,1,0.01,0.1),
 338         adj_feather(0,0,1,0.01,0.1),
 339         spin_expand(adj_expand,0.1,3),
 340         spin_feather(adj_feather,0.1,3),
 341         checkbutton_invert(_("Invert")),
 342         checkbutton_layer_rectangle(_("Create Rectangle Layer")),
 343         checkbutton_layer_region(_("Create Region BLine")),
 344         checkbutton_layer_outline(_("Create Outline BLine")),
 345         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 346         checkbutton_layer_plant(_("Create Plant BLine")),
 347         checkbutton_layer_link_origins(_("Link BLine Origins"))
 348 {
 349         egress_on_selection_change=true;
 350         load_settings();
 351
 352         // Set up the tool options dialog
 353         options_table.attach(*manage(new Gtk::Label(_("Rectangle Tool"))),      0, 2,  0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 354         options_table.attach(entry_id,                                                                          0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 355
 356         options_table.attach(checkbutton_layer_rectangle,                                       0, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 357         options_table.attach(checkbutton_layer_outline,                                         0, 2,  3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 358         options_table.attach(checkbutton_layer_region,                                          0, 2,  4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 359         options_table.attach(checkbutton_layer_plant,                                           0, 2,  5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 360         options_table.attach(checkbutton_layer_curve_gradient,                          0, 2,  6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 361         options_table.attach(checkbutton_layer_link_origins,                            0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 362
 363         //invert flag
 364         options_table.attach(checkbutton_invert,                                                        0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 365
 366         //expand stuff
 367         options_table.attach(*manage(new Gtk::Label(_("Expansion:"))),          0, 1,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 368         options_table.attach(spin_expand,                                                                       1, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 369
 370         //feather stuff
 371         options_table.attach(*manage(new Gtk::Label(_("Feather:"))),            0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 372         options_table.attach(spin_feather,                                                                      1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 373
 374         options_table.show_all();
 375
 376         //App::dialog_tool_options->set_widget(options_table);
 377         refresh_tool_options();
 378         App::dialog_tool_options->present();
 379
 380         // Turn off layer clicking
 381         get_work_area()->set_allow_layer_clicks(false);
 382
 383         // clear out the ducks
 384         get_work_area()->clear_ducks();
 385
 386         // Refresh the work area
 387         get_work_area()->queue_draw();
 388
 389         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 390
 391         // Hide the tables if they are showing
 392         //prev_table_status=get_canvas_view()->tables_are_visible();
 393         //if(prev_table_status)get_canvas_view()->hide_tables();
 394
 395         // Disable the time bar
 396         //get_canvas_view()->set_sensitive_timebar(false);
 397
 398         // Connect a signal
 399         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateRectangle_Context::on_user_click));
 400
 401         App::toolbox->refresh();
 402 }
 403
 404 void
 405 StateRectangle_Context::refresh_tool_options()
 406 {
 407         App::dialog_tool_options->clear();
 408         App::dialog_tool_options->set_widget(options_table);
 409         App::dialog_tool_options->set_local_name(_("Rectangle Tool"));
 410         App::dialog_tool_options->set_name("rectangle");
 411 }
 412
 413 Smach::event_result
 414 StateRectangle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 415 {
 416         refresh_tool_options();
 417         return Smach::RESULT_ACCEPT;
 418 }
 419
 420 StateRectangle_Context::~StateRectangle_Context()
 421 {
 422         save_settings();
 423
 424         // Restore layer clicking
 425         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 426
 427         get_canvas_view()->work_area->reset_cursor();
 428
 429         App::dialog_tool_options->clear();
 430
 431         // Enable the time bar
 432         //get_canvas_view()->set_sensitive_timebar(true);
 433
 434         // Bring back the tables if they were out before
 435         //if(prev_table_status)get_canvas_view()->show_tables();
 436
 437         // Refresh the work area
 438         get_work_area()->queue_draw();
 439
 440         get_canvas_view()->queue_rebuild_ducks();
 441
 442         App::toolbox->refresh();
 443 }
 444
 445 Smach::event_result
 446 StateRectangle_Context::event_stop_handler(const Smach::event& /*x*/)
 447 {
 448         throw Smach::egress_exception();
 449 }
 450
 451 Smach::event_result
 452 StateRectangle_Context::event_refresh_handler(const Smach::event& /*x*/)
 453 {
 454         refresh_ducks();
 455         return Smach::RESULT_ACCEPT;
 456 }
 457
 458 void
 459 StateRectangle_Context::make_rectangle(const Point& _p1, const Point& _p2)
 460 {
 461         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Rectangle"));
 462         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 463
 464         Layer::Handle layer;
 465
 466         Canvas::Handle canvas;
 467         int depth(0);
 468
 469         // we are temporarily using the layer to hold something
 470         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 471         if(layer)
 472         {
 473                 depth=layer->get_depth();
 474                 canvas=layer->get_canvas();
 475         }
 476
 477         synfigapp::SelectionManager::LayerList layer_selection;
 478         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 479                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 480
 481         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 482         const Point p1(transform.unperform(_p1));
 483         const Point p2(transform.unperform(_p2));
 484         Real x_min, x_max, y_min, y_max;
 485         if (p1[0] < p2[0]) { x_min = p1[0]; x_max = p2[0]; } else { x_min = p2[0]; x_max = p1[0]; }
 486         if (p1[1] < p2[1]) { y_min = p1[1]; y_max = p2[1]; } else { y_min = p2[1]; y_max = p1[1]; }
 487         x_min -= get_expand(); x_max += get_expand(); y_min -= get_expand(); y_max += get_expand();
 488
 489         std::vector<BLinePoint> new_list;
 490         for (int i = 0; i < 4; i++)
 491         {
 492                 new_list.push_back(*(new BLinePoint));
 493                 new_list[i].set_width(1);
 494                 new_list[i].set_vertex(Point((i==0||i==3)?x_min:x_max,
 495                                                                          (i==0||i==1)?y_min:y_max));
 496                 new_list[i].set_tangent(Point(0,0));
 497         }
 498
 499         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 500         assert(value_node_bline);
 501
 502         ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(Vector()));
 503         assert(value_node_origin);
 504
 505         // Set the looping flag
 506         value_node_bline->set_loop(true);
 507
 508         if(!canvas)
 509                 canvas=get_canvas_view()->get_canvas();
 510
 511         value_node_bline->set_member_canvas(canvas);
 512
 513         // count how many layers we're going to be creating
 514         int layers_to_create = this->layers_to_create();
 515
 516         ///////////////////////////////////////////////////////////////////////////
 517         //   R E C T A N G L E
 518         ///////////////////////////////////////////////////////////////////////////
 519
 520         if (get_layer_rectangle_flag())
 521         {
 522                 layer=get_canvas_interface()->add_layer_to("rectangle",canvas,depth);
 523                 if (!layer)
 524                 {
 525                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 526                         group.cancel();
 527                         return;
 528                 }
 529                 layer_selection.push_back(layer);
 530
 531                 layer->set_param("point1",p1);
 532                 get_canvas_interface()->signal_layer_param_changed()(layer,"point1");
 533
 534                 layer->set_param("point2",p2);
 535                 get_canvas_interface()->signal_layer_param_changed()(layer,"point2");
 536
 537                 layer->set_param("expand",get_expand());
 538                 get_canvas_interface()->signal_layer_param_changed()(layer,"expand");
 539
 540                 layer->set_param("invert",get_invert());
 541                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 542
 543                 layer->set_description(get_id());
 544                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 545         }
 546
 547         ///////////////////////////////////////////////////////////////////////////
 548         //   C U R V E   G R A D I E N T
 549         ///////////////////////////////////////////////////////////////////////////
 550
 551         if(get_layer_curve_gradient_flag())
 552         {
 553                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 554
 555                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 556                 if (!layer)
 557                 {
 558                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 559                         group.cancel();
 560                         return;
 561                 }
 562                 layer_selection.push_back(layer);
 563                 layer->set_description(get_id()+_(" Gradient"));
 564                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 565
 566                 {
 567                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 568                         assert(action);
 569
 570                         action->set_param("canvas",get_canvas());
 571                         action->set_param("canvas_interface",get_canvas_interface());
 572                         action->set_param("layer",layer);
 573                         if(!action->set_param("param",String("bline")))
 574                                 synfig::error("LayerParamConnect didn't like \"param\"");
 575                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 576                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 577
 578                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 579                         {
 580                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 581                                 group.cancel();
 582                                 throw String(_("Unable to create Gradient layer"));
 583                                 return;
 584                         }
 585                 }
 586
 587                 // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
 588                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 589                 {
 590                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 591                         assert(action);
 592
 593                         action->set_param("canvas",get_canvas());
 594                         action->set_param("canvas_interface",get_canvas_interface());
 595                         action->set_param("layer",layer);
 596                         if(!action->set_param("param",String("origin")))
 597                                 synfig::error("LayerParamConnect didn't like \"param\"");
 598                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 599                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 600
 601                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 602                         {
 603                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 604                                 group.cancel();
 605                                 throw String(_("Unable to create Gradient layer"));
 606                                 return;
 607                         }
 608                 }
 609         }
 610
 611         ///////////////////////////////////////////////////////////////////////////
 612         //   P L A N T
 613         ///////////////////////////////////////////////////////////////////////////
 614
 615         if(get_layer_plant_flag())
 616         {
 617                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 618
 619                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 620                 if (!layer)
 621                 {
 622                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 623                         group.cancel();
 624                         return;
 625                 }
 626                 layer_selection.push_back(layer);
 627                 layer->set_description(get_id()+_(" Plant"));
 628                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 629
 630                 {
 631                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 632                         assert(action);
 633
 634                         action->set_param("canvas",get_canvas());
 635                         action->set_param("canvas_interface",get_canvas_interface());
 636                         action->set_param("layer",layer);
 637                         if(!action->set_param("param",String("bline")))
 638                                 synfig::error("LayerParamConnect didn't like \"param\"");
 639                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 640                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 641
 642                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 643                         {
 644                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 645                                 group.cancel();
 646                                 throw String(_("Unable to create Plant layer"));
 647                                 return;
 648                         }
 649                 }
 650
 651                 // only link the plant's origin parameter if the option is selected and we're creating more than one layer
 652                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 653                 {
 654                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 655                         assert(action);
 656
 657                         action->set_param("canvas",get_canvas());
 658                         action->set_param("canvas_interface",get_canvas_interface());
 659                         action->set_param("layer",layer);
 660                         if(!action->set_param("param",String("origin")))
 661                                 synfig::error("LayerParamConnect didn't like \"param\"");
 662                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 663                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 664
 665                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 666                         {
 667                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 668                                 group.cancel();
 669                                 throw String(_("Unable to create Plant layer"));
 670                                 return;
 671                         }
 672                 }
 673         }
 674
 675         ///////////////////////////////////////////////////////////////////////////
 676         //   R E G I O N
 677         ///////////////////////////////////////////////////////////////////////////
 678
 679         if(get_layer_region_flag())
 680         {
 681                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 682
 683                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 684                 if (!layer)
 685                 {
 686                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 687                         group.cancel();
 688                         return;
 689                 }
 690                 layer_selection.push_back(layer);
 691                 layer->set_description(get_id()+_(" Region"));
 692                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 693
 694                 layer->set_param("feather",get_feather());
 695                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 696
 697                 layer->set_param("invert",get_invert());
 698                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 699
 700                 // I don't know if it's safe to reuse the same LayerParamConnect action, so I'm
 701                 // using 2 separate ones.
 702                 {
 703                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 704                         assert(action);
 705
 706                         action->set_param("canvas",get_canvas());
 707                         action->set_param("canvas_interface",get_canvas_interface());
 708                         action->set_param("layer",layer);
 709                         if(!action->set_param("param",String("bline")))
 710                                 synfig::error("LayerParamConnect didn't like \"param\"");
 711                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 712                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 713
 714                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 715                         {
 716                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 717                                 group.cancel();
 718                                 throw String(_("Unable to create Region layer"));
 719                                 return;
 720                         }
 721                 }
 722
 723                 // only link the region's origin parameter if the option is selected and we're creating more than one layer
 724                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 725                 {
 726                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 727                         assert(action);
 728
 729                         action->set_param("canvas",get_canvas());
 730                         action->set_param("canvas_interface",get_canvas_interface());
 731                         action->set_param("layer",layer);
 732                         if(!action->set_param("param",String("origin")))
 733                                 synfig::error("LayerParamConnect didn't like \"param\"");
 734                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 735                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 736
 737                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 738                         {
 739                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 740                                 group.cancel();
 741                                 throw String(_("Unable to create Region layer"));
 742                                 return;
 743                         }
 744                 }
 745         }
 746
 747         ///////////////////////////////////////////////////////////////////////////
 748         //   O U T L I N E
 749         ///////////////////////////////////////////////////////////////////////////
 750
 751         if (get_layer_outline_flag())
 752         {
 753                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 754                 if (!layer)
 755                 {
 756                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 757                         group.cancel();
 758                         return;
 759                 }
 760                 layer_selection.push_back(layer);
 761                 layer->set_description(get_id()+_(" Outline"));
 762                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 763
 764                 layer->set_param("feather",get_feather());
 765                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 766
 767                 layer->set_param("invert",get_invert());
 768                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 769
 770                 {
 771                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 772                         assert(action);
 773
 774                         action->set_param("canvas",get_canvas());
 775                         action->set_param("canvas_interface",get_canvas_interface());
 776                         action->set_param("layer",layer);
 777                         if(!action->set_param("param",String("bline")))
 778                                 synfig::error("LayerParamConnect didn't like \"param\"");
 779                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 780                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 781
 782                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 783                         {
 784                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 785                                 group.cancel();
 786                                 throw String(_("Unable to create Outline layer"));
 787                                 return;
 788                         }
 789                 }
 790
 791                 // only link the outline's origin parameter if the option is selected and we're creating more than one layer
 792                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 793                 {
 794                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 795                         assert(action);
 796
 797                         action->set_param("canvas",get_canvas());
 798                         action->set_param("canvas_interface",get_canvas_interface());
 799                         action->set_param("layer",layer);
 800                         if(!action->set_param("param",String("origin")))
 801                                 synfig::error("LayerParamConnect didn't like \"param\"");
 802                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 803                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 804
 805                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 806                         {
 807                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 808                                 group.cancel();
 809                                 throw String(_("Unable to create Outline layer"));
 810                                 return;
 811                         }
 812                 }
 813         }
 814
 815         egress_on_selection_change=false;
 816         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 817         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 818         egress_on_selection_change=true;
 819
 820         //post clean up stuff...
 821         reset();
 822         increment_id();
 823 }
 824
 825 Smach::event_result
 826 StateRectangle_Context::event_mouse_click_handler(const Smach::event& x)
 827 {
 828         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 829
 830         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
 831         {
 832                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
 833                 etl::handle<Duck> duck=new Duck();
 834                 duck->set_point(point_holder);
 835                 duck->set_name("p1");
 836                 duck->set_type(Duck::TYPE_POSITION);
 837                 get_work_area()->add_duck(duck);
 838
 839                 point2_duck=new Duck();
 840                 point2_duck->set_point(point_holder);
 841                 point2_duck->set_name("p2");
 842                 point2_duck->set_type(Duck::TYPE_POSITION);
 843                 point2_duck->set_box_duck(duck);
 844                 get_work_area()->add_duck(point2_duck);
 845
 846                 return Smach::RESULT_ACCEPT;
 847         }
 848
 849         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
 850         {
 851                 if (!point2_duck) return Smach::RESULT_OK;
 852                 point2_duck->set_point(get_work_area()->snap_point_to_grid(event.pos));
 853                 get_work_area()->queue_draw();
 854                 return Smach::RESULT_ACCEPT;
 855         }
 856
 857         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
 858         {
 859                 make_rectangle(point_holder, get_work_area()->snap_point_to_grid(event.pos));
 860                 get_work_area()->clear_ducks();
 861                 return Smach::RESULT_ACCEPT;
 862         }
 863
 864         return Smach::RESULT_OK;
 865 }
 866
 867
 868 void
 869 StateRectangle_Context::refresh_ducks()
 870 {
 871         get_work_area()->clear_ducks();
 872         get_work_area()->queue_draw();
 873 }