synfig-studio/trunk/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 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31
  32 #include <gtkmm/dialog.h>
  33 #include <gtkmm/entry.h>
  34
  35 #include <synfig/valuenode_dynamiclist.h>
  36 #include <synfigapp/action_system.h>
  37 #include <synfig/valuenode_bline.h>
  38
  39 #include "state_rectangle.h"
  40 #include "canvasview.h"
  41 #include "workarea.h"
  42 #include "app.h"
  43
  44 #include <synfigapp/action.h>
  45 #include "event_mouse.h"
  46 #include "event_layerclick.h"
  47 #include "toolbox.h"
  48 #include "dialog_tooloptions.h"
  49 #include <gtkmm/optionmenu.h>
  50 #include "duck.h"
  51 #include <synfigapp/main.h>
  52
  53 #include "general.h"
  54
  55 #endif
  56
  57 /* === U S I N G =========================================================== */
  58
  59 using namespace std;
  60 using namespace etl;
  61 using namespace synfig;
  62 using namespace studio;
  63
  64 /* === M A C R O S ========================================================= */
  65
  66 /* === G L O B A L S ======================================================= */
  67
  68 StateRectangle studio::state_rectangle;
  69
  70 /* === C L A S S E S & S T R U C T S ======================================= */
  71
  72 class studio::StateRectangle_Context : public sigc::trackable
  73 {
  74         etl::handle<CanvasView> canvas_view_;
  75         CanvasView::IsWorking is_working;
  76
  77         Duckmatic::Push duckmatic_push;
  78
  79         Point point_holder;
  80
  81         etl::handle<Duck> point2_duck;
  82
  83         void refresh_ducks();
  84
  85         bool prev_workarea_layer_status_;
  86
  87         //Toolbox settings
  88         synfigapp::Settings& settings;
  89
  90         //Toolbox display
  91         Gtk::Table options_table;
  92
  93         Gtk::Entry              entry_id; //what to name the layer
  94
  95         Gtk::Adjustment adj_expand;
  96         Gtk::SpinButton spin_expand;
  97
  98         Gtk::CheckButton checkbutton_invert;
  99         Gtk::CheckButton checkbutton_layer_rectangle;
 100         Gtk::CheckButton checkbutton_layer_region;
 101         Gtk::CheckButton checkbutton_layer_outline;
 102         Gtk::CheckButton checkbutton_layer_curve_gradient;
 103         Gtk::CheckButton checkbutton_layer_plant;
 104         Gtk::CheckButton checkbutton_layer_link_offsets;
 105
 106 public:
 107
 108         // this only counts the layers which use blines - they're the only
 109         // ones we link the offsets for
 110         int layers_to_create()const
 111         {
 112                 return
 113                         get_layer_region_flag() +
 114                         get_layer_outline_flag() +
 115                         get_layer_curve_gradient_flag() +
 116                         get_layer_plant_flag();
 117         }
 118
 119         synfig::String get_id()const { return entry_id.get_text(); }
 120         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 121
 122         Real get_expand()const { return adj_expand.get_value(); }
 123         void set_expand(Real f) { adj_expand.set_value(f); }
 124
 125         bool get_invert()const { return checkbutton_invert.get_active(); }
 126         void set_invert(bool i) { checkbutton_invert.set_active(i); }
 127
 128         bool get_layer_rectangle_flag()const { return checkbutton_layer_rectangle.get_active(); }
 129         void set_layer_rectangle_flag(bool x) { return checkbutton_layer_rectangle.set_active(x); }
 130
 131         bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
 132         void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
 133
 134         bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
 135         void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
 136
 137         bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
 138         void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
 139
 140         bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
 141         void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
 142
 143         bool get_layer_link_offsets_flag()const { return checkbutton_layer_link_offsets.get_active(); }
 144         void set_layer_link_offsets_flag(bool x) { return checkbutton_layer_link_offsets.set_active(x); }
 145
 146         void refresh_tool_options(); //to refresh the toolbox
 147
 148         //events
 149         Smach::event_result event_stop_handler(const Smach::event& x);
 150         Smach::event_result event_refresh_handler(const Smach::event& x);
 151         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 152         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 153
 154         //constructor destructor
 155         StateRectangle_Context(CanvasView* canvas_view);
 156         ~StateRectangle_Context();
 157
 158         //Canvas interaction
 159         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 160         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 161         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 162         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 163
 164         //Modifying settings etc.
 165         void load_settings();
 166         void save_settings();
 167         void reset();
 168         void increment_id();
 169         bool egress_on_selection_change;
 170         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 171         {
 172                 if(egress_on_selection_change)
 173                         throw Smach::egress_exception();
 174                 return Smach::RESULT_OK;
 175         }
 176
 177         void make_rectangle(const Point& p1, const Point& p2);
 178
 179 };      // END of class StateGradient_Context
 180
 181 /* === M E T H O D S ======================================================= */
 182
 183 StateRectangle::StateRectangle():
 184         Smach::state<StateRectangle_Context>("rectangle")
 185 {
 186         insert(event_def(EVENT_STOP,&StateRectangle_Context::event_stop_handler));
 187         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateRectangle_Context::event_layer_selection_changed_handler));
 188         insert(event_def(EVENT_REFRESH,&StateRectangle_Context::event_refresh_handler));
 189         insert(event_def(EVENT_REFRESH_DUCKS,&StateRectangle_Context::event_refresh_handler));
 190         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateRectangle_Context::event_mouse_click_handler));
 191         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateRectangle_Context::event_mouse_click_handler));
 192         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateRectangle_Context::event_mouse_click_handler));
 193         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateRectangle_Context::event_refresh_tool_options));
 194 }
 195
 196 StateRectangle::~StateRectangle()
 197 {
 198 }
 199
 200 void
 201 StateRectangle_Context::load_settings()
 202 {
 203         String value;
 204
 205         //parse the arguments yargh!
 206         if(settings.get_value("rectangle.id",value))
 207                 set_id(value);
 208         else
 209                 set_id("Rectangle");
 210
 211         if(settings.get_value("rectangle.expand",value))
 212                 set_expand(atof(value.c_str()));
 213         else
 214                 set_expand(0);
 215
 216         if(settings.get_value("rectangle.invert",value) && value != "0")
 217                 set_invert(true);
 218         else
 219                 set_invert(false);
 220
 221         if(settings.get_value("rectangle.layer_rectangle",value) && value=="0")
 222                 set_layer_rectangle_flag(false);
 223         else
 224                 set_layer_rectangle_flag(true);
 225
 226         if(settings.get_value("rectangle.layer_region",value) && value=="1")
 227                 set_layer_region_flag(true);
 228         else
 229                 set_layer_region_flag(false);
 230
 231         if(settings.get_value("rectangle.layer_outline",value) && value=="1")
 232                 set_layer_outline_flag(true);
 233         else
 234                 set_layer_outline_flag(false);
 235
 236         if(settings.get_value("rectangle.layer_curve_gradient",value) && value=="1")
 237                 set_layer_curve_gradient_flag(true);
 238         else
 239                 set_layer_curve_gradient_flag(false);
 240
 241         if(settings.get_value("rectangle.layer_plant",value) && value=="1")
 242                 set_layer_plant_flag(true);
 243         else
 244                 set_layer_plant_flag(false);
 245
 246         if(settings.get_value("rectangle.layer_link_offsets",value) && value=="0")
 247                 set_layer_link_offsets_flag(false);
 248         else
 249                 set_layer_link_offsets_flag(true);
 250 }
 251
 252 void
 253 StateRectangle_Context::save_settings()
 254 {
 255         settings.set_value("rectangle.id",get_id().c_str());
 256         settings.set_value("rectangle.expand",strprintf("%f",get_expand()));
 257         settings.set_value("rectangle.invert",get_invert()?"1":"0");
 258         settings.set_value("rectangle.layer_rectangle",get_layer_rectangle_flag()?"1":"0");
 259         settings.set_value("rectangle.layer_outline",get_layer_outline_flag()?"1":"0");
 260         settings.set_value("rectangle.layer_region",get_layer_region_flag()?"1":"0");
 261         settings.set_value("rectangle.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 262         settings.set_value("rectangle.layer_plant",get_layer_plant_flag()?"1":"0");
 263         settings.set_value("rectangle.layer_link_offsets",get_layer_link_offsets_flag()?"1":"0");
 264 }
 265
 266 void
 267 StateRectangle_Context::reset()
 268 {
 269         refresh_ducks();
 270 }
 271
 272 void
 273 StateRectangle_Context::increment_id()
 274 {
 275         String id(get_id());
 276         int number=1;
 277         int digits=0;
 278
 279         if(id.empty())
 280                 id="Rectangle";
 281
 282         // If there is a number
 283         // already at the end of the
 284         // id, then remove it.
 285         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 286         {
 287                 // figure out how many digits it is
 288                 for (digits = 0;
 289                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 290                          digits++)
 291                         ;
 292
 293                 String str_number;
 294                 str_number=String(id,id.size()-digits,id.size());
 295                 id=String(id,0,id.size()-digits);
 296
 297                 number=atoi(str_number.c_str());
 298         }
 299         else
 300         {
 301                 number=1;
 302                 digits=3;
 303         }
 304
 305         number++;
 306
 307         // Add the number back onto the id
 308         {
 309                 const String format(strprintf("%%0%dd",digits));
 310                 id+=strprintf(format.c_str(),number);
 311         }
 312
 313         // Set the ID
 314         set_id(id);
 315 }
 316
 317 StateRectangle_Context::StateRectangle_Context(CanvasView* canvas_view):
 318         canvas_view_(canvas_view),
 319         is_working(*canvas_view),
 320         duckmatic_push(get_work_area()),
 321         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 322         settings(synfigapp::Main::get_selected_input_device()->settings()),
 323         entry_id(),
 324         adj_expand(0,0,1,0.01,0.1),
 325         spin_expand(adj_expand,0.1,3),
 326         checkbutton_invert(_("Invert")),
 327         checkbutton_layer_rectangle(_("Create Rectangle Layer")),
 328         checkbutton_layer_region(_("Create Region BLine")),
 329         checkbutton_layer_outline(_("Create Outline BLine")),
 330         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 331         checkbutton_layer_plant(_("Create Plant BLine")),
 332         checkbutton_layer_link_offsets(_("Link BLine Offsets"))
 333 {
 334         egress_on_selection_change=true;
 335         load_settings();
 336
 337         // Set up the tool options dialog
 338         //options_table.attach(*manage(new Gtk::Label(_("Rectangle Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 339         options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 340
 341         //expand stuff
 342         options_table.attach(*manage(new Gtk::Label(_("Expansion:"))), 0, 1, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 343         options_table.attach(spin_expand, 1, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 344
 345         //invert flag
 346         options_table.attach(checkbutton_invert, 1, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 347
 348         options_table.attach(checkbutton_layer_rectangle,                                               0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 349         options_table.attach(checkbutton_layer_outline,                                                 0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 350         options_table.attach(checkbutton_layer_region,                                                  0, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 351         options_table.attach(checkbutton_layer_plant,                                                   0, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 352         options_table.attach(checkbutton_layer_curve_gradient,                                  0, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 353         options_table.attach(checkbutton_layer_link_offsets,                                    0, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 354
 355         options_table.show_all();
 356
 357         //App::dialog_tool_options->set_widget(options_table);
 358         refresh_tool_options();
 359         App::dialog_tool_options->present();
 360
 361         // Turn off layer clicking
 362         get_work_area()->set_allow_layer_clicks(false);
 363
 364         // clear out the ducks
 365         get_work_area()->clear_ducks();
 366
 367         // Refresh the work area
 368         get_work_area()->queue_draw();
 369
 370         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 371
 372         // Hide the tables if they are showing
 373         //prev_table_status=get_canvas_view()->tables_are_visible();
 374         //if(prev_table_status)get_canvas_view()->hide_tables();
 375
 376         // Disable the time bar
 377         //get_canvas_view()->set_sensitive_timebar(false);
 378
 379         // Connect a signal
 380         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateRectangle_Context::on_user_click));
 381
 382         App::toolbox->refresh();
 383 }
 384
 385 void
 386 StateRectangle_Context::refresh_tool_options()
 387 {
 388         App::dialog_tool_options->clear();
 389         App::dialog_tool_options->set_widget(options_table);
 390         App::dialog_tool_options->set_local_name(_("Rectangle Tool"));
 391         App::dialog_tool_options->set_name("rectangle");
 392 }
 393
 394 Smach::event_result
 395 StateRectangle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 396 {
 397         refresh_tool_options();
 398         return Smach::RESULT_ACCEPT;
 399 }
 400
 401 StateRectangle_Context::~StateRectangle_Context()
 402 {
 403         save_settings();
 404
 405         // Restore layer clicking
 406         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 407
 408         get_canvas_view()->work_area->reset_cursor();
 409
 410         App::dialog_tool_options->clear();
 411
 412         // Enable the time bar
 413         //get_canvas_view()->set_sensitive_timebar(true);
 414
 415         // Bring back the tables if they were out before
 416         //if(prev_table_status)get_canvas_view()->show_tables();
 417
 418         // Refresh the work area
 419         get_work_area()->queue_draw();
 420
 421         get_canvas_view()->queue_rebuild_ducks();
 422
 423         App::toolbox->refresh();
 424 }
 425
 426 Smach::event_result
 427 StateRectangle_Context::event_stop_handler(const Smach::event& /*x*/)
 428 {
 429         throw Smach::egress_exception();
 430 }
 431
 432 Smach::event_result
 433 StateRectangle_Context::event_refresh_handler(const Smach::event& /*x*/)
 434 {
 435         refresh_ducks();
 436         return Smach::RESULT_ACCEPT;
 437 }
 438
 439 void
 440 StateRectangle_Context::make_rectangle(const Point& _p1, const Point& _p2)
 441 {
 442         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Rectangle"));
 443         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 444
 445         Layer::Handle layer;
 446
 447         Canvas::Handle canvas;
 448         int depth(0);
 449
 450         // we are temporarily using the layer to hold something
 451         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 452         if(layer)
 453         {
 454                 depth=layer->get_depth();
 455                 canvas=layer->get_canvas();
 456         }
 457
 458         synfigapp::SelectionManager::LayerList layer_selection;
 459         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 460                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 461
 462         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 463         const Point p1(transform.unperform(_p1));
 464         const Point p2(transform.unperform(_p2));
 465         Real x_min, x_max, y_min, y_max;
 466         if (p1[0] < p2[0]) { x_min = p1[0]; x_max = p2[0]; } else { x_min = p2[0]; x_max = p1[0]; }
 467         if (p1[1] < p2[1]) { y_min = p1[1]; y_max = p2[1]; } else { y_min = p2[1]; y_max = p1[1]; }
 468         x_min -= get_expand(); x_max += get_expand(); y_min -= get_expand(); y_max += get_expand();
 469
 470         std::vector<BLinePoint> new_list;
 471         for (int i = 0; i < 4; i++)
 472         {
 473                 new_list.push_back(*(new BLinePoint));
 474                 new_list[i].set_width(1);
 475                 new_list[i].set_vertex(Point((i==0||i==1)?x_min:x_max,
 476                                                                          (i==0||i==3)?y_min:y_max));
 477                 new_list[i].set_tangent(Point(0,0));
 478         }
 479
 480         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 481         assert(value_node_bline);
 482
 483         ValueNode_Const::Handle value_node_offset(ValueNode_Const::create(Vector()));
 484         assert(value_node_offset);
 485
 486         // Set the looping flag
 487         value_node_bline->set_loop(true);
 488
 489         if(!canvas)
 490                 canvas=get_canvas_view()->get_canvas();
 491
 492         value_node_bline->set_member_canvas(canvas);
 493
 494         // count how many layers we're going to be creating
 495         int layers_to_create = this->layers_to_create();
 496
 497         ///////////////////////////////////////////////////////////////////////////
 498         //   R E C T A N G L E
 499         ///////////////////////////////////////////////////////////////////////////
 500
 501         if (get_layer_rectangle_flag())
 502         {
 503                 layer=get_canvas_interface()->add_layer_to("rectangle",canvas,depth);
 504                 layer_selection.push_back(layer);
 505
 506                 layer->set_param("point1",p1);
 507                 get_canvas_interface()->signal_layer_param_changed()(layer,"point1");
 508
 509                 layer->set_param("point2",p2);
 510                 get_canvas_interface()->signal_layer_param_changed()(layer,"point2");
 511
 512                 layer->set_param("expand",get_expand());
 513                 get_canvas_interface()->signal_layer_param_changed()(layer,"expand");
 514
 515                 layer->set_param("invert",get_invert());
 516                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 517
 518                 layer->set_description(get_id());
 519                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 520         }
 521
 522         ///////////////////////////////////////////////////////////////////////////
 523         //   C U R V E   G R A D I E N T
 524         ///////////////////////////////////////////////////////////////////////////
 525
 526         if(get_layer_curve_gradient_flag())
 527         {
 528                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 529
 530                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 531                 assert(layer);
 532                 layer_selection.push_back(layer);
 533                 layer->set_description(get_id()+_(" Gradient"));
 534                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 535
 536                 {
 537                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 538                         assert(action);
 539
 540                         action->set_param("canvas",get_canvas());
 541                         action->set_param("canvas_interface",get_canvas_interface());
 542                         action->set_param("layer",layer);
 543                         if(!action->set_param("param",String("bline")))
 544                                 synfig::error("LayerParamConnect didn't like \"param\"");
 545                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 546                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 547
 548                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 549                         {
 550                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 551                                 group.cancel();
 552                                 throw String(_("Unable to create Gradient layer"));
 553                                 return;
 554                         }
 555                 }
 556
 557                 // only link the curve gradient's offset parameter if the option is selected and we're creating more than one layer
 558                 if (get_layer_link_offsets_flag() && layers_to_create > 1)
 559                 {
 560                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 561                         assert(action);
 562
 563                         action->set_param("canvas",get_canvas());
 564                         action->set_param("canvas_interface",get_canvas_interface());
 565                         action->set_param("layer",layer);
 566                         if(!action->set_param("param",String("offset")))
 567                                 synfig::error("LayerParamConnect didn't like \"param\"");
 568                         if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
 569                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 570
 571                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 572                         {
 573                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 574                                 group.cancel();
 575                                 throw String(_("Unable to create Gradient layer"));
 576                                 return;
 577                         }
 578                 }
 579         }
 580
 581         ///////////////////////////////////////////////////////////////////////////
 582         //   P L A N T
 583         ///////////////////////////////////////////////////////////////////////////
 584
 585         if(get_layer_plant_flag())
 586         {
 587                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 588
 589                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 590                 assert(layer);
 591                 layer_selection.push_back(layer);
 592                 layer->set_description(get_id()+_(" Plant"));
 593                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 594
 595                 {
 596                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 597                         assert(action);
 598
 599                         action->set_param("canvas",get_canvas());
 600                         action->set_param("canvas_interface",get_canvas_interface());
 601                         action->set_param("layer",layer);
 602                         if(!action->set_param("param",String("bline")))
 603                                 synfig::error("LayerParamConnect didn't like \"param\"");
 604                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 605                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 606
 607                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 608                         {
 609                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 610                                 group.cancel();
 611                                 throw String(_("Unable to create Plant layer"));
 612                                 return;
 613                         }
 614                 }
 615
 616                 // only link the plant's offset parameter if the option is selected and we're creating more than one layer
 617                 if (get_layer_link_offsets_flag() && layers_to_create > 1)
 618                 {
 619                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 620                         assert(action);
 621
 622                         action->set_param("canvas",get_canvas());
 623                         action->set_param("canvas_interface",get_canvas_interface());
 624                         action->set_param("layer",layer);
 625                         if(!action->set_param("param",String("offset")))
 626                                 synfig::error("LayerParamConnect didn't like \"param\"");
 627                         if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
 628                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 629
 630                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 631                         {
 632                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 633                                 group.cancel();
 634                                 throw String(_("Unable to create Plant layer"));
 635                                 return;
 636                         }
 637                 }
 638         }
 639
 640         ///////////////////////////////////////////////////////////////////////////
 641         //   R E G I O N
 642         ///////////////////////////////////////////////////////////////////////////
 643
 644         if(get_layer_region_flag())
 645         {
 646                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 647
 648                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 649                 assert(layer);
 650                 layer_selection.push_back(layer);
 651                 layer->set_description(get_id()+_(" Region"));
 652                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 653
 654                 layer->set_param("invert",get_invert());
 655                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 656
 657                 if(get_layer_outline_flag())
 658                         layer->set_param("color",synfigapp::Main::get_background_color());
 659
 660                 // I don't know if it's safe to reuse the same layer_param_connect action, so I'm
 661                 // using 2 separate ones.
 662                 {
 663                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 664                         assert(action);
 665
 666                         action->set_param("canvas",get_canvas());
 667                         action->set_param("canvas_interface",get_canvas_interface());
 668                         action->set_param("layer",layer);
 669                         if(!action->set_param("param",String("bline")))
 670                                 synfig::error("LayerParamConnect didn't like \"param\"");
 671                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 672                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 673
 674                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 675                         {
 676                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 677                                 group.cancel();
 678                                 throw String(_("Unable to create Region layer"));
 679                                 return;
 680                         }
 681                 }
 682
 683                 // only link the region's offset parameter if the option is selected and we're creating more than one layer
 684                 if (get_layer_link_offsets_flag() && layers_to_create > 1)
 685                 {
 686                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 687                         assert(action);
 688
 689                         action->set_param("canvas",get_canvas());
 690                         action->set_param("canvas_interface",get_canvas_interface());
 691                         action->set_param("layer",layer);
 692                         if(!action->set_param("param",String("offset")))
 693                                 synfig::error("LayerParamConnect didn't like \"param\"");
 694                         if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
 695                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 696
 697                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 698                         {
 699                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 700                                 group.cancel();
 701                                 throw String(_("Unable to create Region layer"));
 702                                 return;
 703                         }
 704                 }
 705         }
 706
 707         ///////////////////////////////////////////////////////////////////////////
 708         //   O U T L I N E
 709         ///////////////////////////////////////////////////////////////////////////
 710
 711         if (get_layer_outline_flag())
 712         {
 713                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 714                 assert(layer);
 715                 layer_selection.push_back(layer);
 716                 layer->set_description(get_id()+_(" Outline"));
 717                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 718
 719                 layer->set_param("invert",get_invert());
 720                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 721
 722                 {
 723                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 724                         assert(action);
 725
 726                         action->set_param("canvas",get_canvas());
 727                         action->set_param("canvas_interface",get_canvas_interface());
 728                         action->set_param("layer",layer);
 729                         if(!action->set_param("param",String("bline")))
 730                                 synfig::error("LayerParamConnect didn't like \"param\"");
 731                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 732                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 733
 734                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 735                         {
 736                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 737                                 group.cancel();
 738                                 throw String(_("Unable to create Outline layer"));
 739                                 return;
 740                         }
 741                 }
 742
 743                 // only link the outline's offset parameter if the option is selected and we're creating more than one layer
 744                 if (get_layer_link_offsets_flag() && layers_to_create > 1)
 745                 {
 746                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 747                         assert(action);
 748
 749                         action->set_param("canvas",get_canvas());
 750                         action->set_param("canvas_interface",get_canvas_interface());
 751                         action->set_param("layer",layer);
 752                         if(!action->set_param("param",String("offset")))
 753                                 synfig::error("LayerParamConnect didn't like \"param\"");
 754                         if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
 755                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 756
 757                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 758                         {
 759                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 760                                 group.cancel();
 761                                 throw String(_("Unable to create Outline layer"));
 762                                 return;
 763                         }
 764                 }
 765         }
 766
 767         egress_on_selection_change=false;
 768         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 769         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 770         egress_on_selection_change=true;
 771
 772         //post clean up stuff...
 773         reset();
 774         increment_id();
 775 }
 776
 777 Smach::event_result
 778 StateRectangle_Context::event_mouse_click_handler(const Smach::event& x)
 779 {
 780         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 781
 782         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
 783         {
 784                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
 785                 etl::handle<Duck> duck=new Duck();
 786                 duck->set_point(point_holder);
 787                 duck->set_name("p1");
 788                 duck->set_type(Duck::TYPE_POSITION);
 789                 get_work_area()->add_duck(duck);
 790
 791                 point2_duck=new Duck();
 792                 point2_duck->set_point(point_holder);
 793                 point2_duck->set_name("p2");
 794                 point2_duck->set_type(Duck::TYPE_POSITION);
 795                 point2_duck->set_box_duck(duck);
 796                 get_work_area()->add_duck(point2_duck);
 797
 798                 return Smach::RESULT_ACCEPT;
 799         }
 800
 801         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
 802         {
 803                 point2_duck->set_point(get_work_area()->snap_point_to_grid(event.pos));
 804                 get_work_area()->queue_draw();
 805                 return Smach::RESULT_ACCEPT;
 806         }
 807
 808         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
 809         {
 810                 make_rectangle(point_holder, get_work_area()->snap_point_to_grid(event.pos));
 811                 get_work_area()->clear_ducks();
 812                 return Smach::RESULT_ACCEPT;
 813         }
 814
 815         return Smach::RESULT_OK;
 816 }
 817
 818
 819 void
 820 StateRectangle_Context::refresh_ducks()
 821 {
 822         get_work_area()->clear_ducks();
 823         get_work_area()->queue_draw();
 824 }