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