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::Adjustment adj_feather;
  97         Gtk::SpinButton spin_expand;
  98         Gtk::SpinButton spin_feather;
  99
 100         Gtk::CheckButton checkbutton_invert;
 101         Gtk::CheckButton checkbutton_layer_rectangle;
 102         Gtk::CheckButton checkbutton_layer_region;
 103         Gtk::CheckButton checkbutton_layer_outline;
 104         Gtk::CheckButton checkbutton_layer_curve_gradient;
 105         Gtk::CheckButton checkbutton_layer_plant;
 106         Gtk::CheckButton checkbutton_layer_link_origins;
 107
 108 public:
 109
 110         // this only counts the layers which use blines - they're the only
 111         // ones we link the origins for
 112         int layers_to_create()const
 113         {
 114                 return
 115                         get_layer_region_flag() +
 116                         get_layer_outline_flag() +
 117                         get_layer_curve_gradient_flag() +
 118                         get_layer_plant_flag();
 119         }
 120
 121         synfig::String get_id()const { return entry_id.get_text(); }
 122         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 123
 124         Real get_expand()const { return adj_expand.get_value(); }
 125         void set_expand(Real f) { adj_expand.set_value(f); }
 126
 127         Real get_feather()const { return adj_feather.get_value(); }
 128         void set_feather(Real f) { adj_feather.set_value(f); }
 129
 130         bool get_invert()const { return checkbutton_invert.get_active(); }
 131         void set_invert(bool i) { checkbutton_invert.set_active(i); }
 132
 133         bool get_layer_rectangle_flag()const { return checkbutton_layer_rectangle.get_active(); }
 134         void set_layer_rectangle_flag(bool x) { return checkbutton_layer_rectangle.set_active(x); }
 135
 136         bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
 137         void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
 138
 139         bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
 140         void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
 141
 142         bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
 143         void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
 144
 145         bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
 146         void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
 147
 148         bool get_layer_link_origins_flag()const { return checkbutton_layer_link_origins.get_active(); }
 149         void set_layer_link_origins_flag(bool x) { return checkbutton_layer_link_origins.set_active(x); }
 150
 151         void refresh_tool_options(); //to refresh the toolbox
 152
 153         //events
 154         Smach::event_result event_stop_handler(const Smach::event& x);
 155         Smach::event_result event_refresh_handler(const Smach::event& x);
 156         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 157         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 158
 159         //constructor destructor
 160         StateRectangle_Context(CanvasView* canvas_view);
 161         ~StateRectangle_Context();
 162
 163         //Canvas interaction
 164         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 165         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 166         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 167         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 168
 169         //Modifying settings etc.
 170         void load_settings();
 171         void save_settings();
 172         void reset();
 173         void increment_id();
 174         bool egress_on_selection_change;
 175         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 176         {
 177                 if(egress_on_selection_change)
 178                         throw Smach::egress_exception();
 179                 return Smach::RESULT_OK;
 180         }
 181
 182         void make_rectangle(const Point& p1, const Point& p2);
 183
 184 };      // END of class StateGradient_Context
 185
 186 /* === M E T H O D S ======================================================= */
 187
 188 StateRectangle::StateRectangle():
 189         Smach::state<StateRectangle_Context>("rectangle")
 190 {
 191         insert(event_def(EVENT_STOP,&StateRectangle_Context::event_stop_handler));
 192         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateRectangle_Context::event_layer_selection_changed_handler));
 193         insert(event_def(EVENT_REFRESH,&StateRectangle_Context::event_refresh_handler));
 194         insert(event_def(EVENT_REFRESH_DUCKS,&StateRectangle_Context::event_refresh_handler));
 195         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateRectangle_Context::event_mouse_click_handler));
 196         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateRectangle_Context::event_mouse_click_handler));
 197         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateRectangle_Context::event_mouse_click_handler));
 198         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateRectangle_Context::event_refresh_tool_options));
 199 }
 200
 201 StateRectangle::~StateRectangle()
 202 {
 203 }
 204
 205 void
 206 StateRectangle_Context::load_settings()
 207 {
 208         String value;
 209
 210         //parse the arguments yargh!
 211         if(settings.get_value("rectangle.id",value))
 212                 set_id(value);
 213         else
 214                 set_id("Rectangle");
 215
 216         if(settings.get_value("rectangle.expand",value))
 217                 set_expand(atof(value.c_str()));
 218         else
 219                 set_expand(0);
 220
 221         if(settings.get_value("rectangle.feather",value))
 222                 set_feather(atof(value.c_str()));
 223         else
 224                 set_feather(0);
 225
 226         if(settings.get_value("rectangle.invert",value) && value != "0")
 227                 set_invert(true);
 228         else
 229                 set_invert(false);
 230
 231         if(settings.get_value("rectangle.layer_rectangle",value) && value=="0")
 232                 set_layer_rectangle_flag(false);
 233         else
 234                 set_layer_rectangle_flag(true);
 235
 236         if(settings.get_value("rectangle.layer_region",value) && value=="1")
 237                 set_layer_region_flag(true);
 238         else
 239                 set_layer_region_flag(false);
 240
 241         if(settings.get_value("rectangle.layer_outline",value) && value=="1")
 242                 set_layer_outline_flag(true);
 243         else
 244                 set_layer_outline_flag(false);
 245
 246         if(settings.get_value("rectangle.layer_curve_gradient",value) && value=="1")
 247                 set_layer_curve_gradient_flag(true);
 248         else
 249                 set_layer_curve_gradient_flag(false);
 250
 251         if(settings.get_value("rectangle.layer_plant",value) && value=="1")
 252                 set_layer_plant_flag(true);
 253         else
 254                 set_layer_plant_flag(false);
 255
 256         if(settings.get_value("rectangle.layer_link_origins",value) && value=="0")
 257                 set_layer_link_origins_flag(false);
 258         else
 259                 set_layer_link_origins_flag(true);
 260 }
 261
 262 void
 263 StateRectangle_Context::save_settings()
 264 {
 265         settings.set_value("rectangle.id",get_id().c_str());
 266         settings.set_value("rectangle.expand",strprintf("%f",get_expand()));
 267         settings.set_value("rectangle.feather",strprintf("%f",(float)get_feather()));
 268         settings.set_value("rectangle.invert",get_invert()?"1":"0");
 269         settings.set_value("rectangle.layer_rectangle",get_layer_rectangle_flag()?"1":"0");
 270         settings.set_value("rectangle.layer_outline",get_layer_outline_flag()?"1":"0");
 271         settings.set_value("rectangle.layer_region",get_layer_region_flag()?"1":"0");
 272         settings.set_value("rectangle.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 273         settings.set_value("rectangle.layer_plant",get_layer_plant_flag()?"1":"0");
 274         settings.set_value("rectangle.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
 275 }
 276
 277 void
 278 StateRectangle_Context::reset()
 279 {
 280         refresh_ducks();
 281 }
 282
 283 void
 284 StateRectangle_Context::increment_id()
 285 {
 286         String id(get_id());
 287         int number=1;
 288         int digits=0;
 289
 290         if(id.empty())
 291                 id="Rectangle";
 292
 293         // If there is a number
 294         // already at the end of the
 295         // id, then remove it.
 296         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 297         {
 298                 // figure out how many digits it is
 299                 for (digits = 0;
 300                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 301                          digits++)
 302                         ;
 303
 304                 String str_number;
 305                 str_number=String(id,id.size()-digits,id.size());
 306                 id=String(id,0,id.size()-digits);
 307
 308                 number=atoi(str_number.c_str());
 309         }
 310         else
 311         {
 312                 number=1;
 313                 digits=3;
 314         }
 315
 316         number++;
 317
 318         // Add the number back onto the id
 319         {
 320                 const String format(strprintf("%%0%dd",digits));
 321                 id+=strprintf(format.c_str(),number);
 322         }
 323
 324         // Set the ID
 325         set_id(id);
 326 }
 327
 328 StateRectangle_Context::StateRectangle_Context(CanvasView* canvas_view):
 329         canvas_view_(canvas_view),
 330         is_working(*canvas_view),
 331         duckmatic_push(get_work_area()),
 332         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 333         settings(synfigapp::Main::get_selected_input_device()->settings()),
 334         entry_id(),
 335         adj_expand(0,0,1,0.01,0.1),
 336         adj_feather(0,0,1,0.01,0.1),
 337         spin_expand(adj_expand,0.1,3),
 338         spin_feather(adj_feather,0.1,3),
 339         checkbutton_invert(_("Invert")),
 340         checkbutton_layer_rectangle(_("Create Rectangle Layer")),
 341         checkbutton_layer_region(_("Create Region BLine")),
 342         checkbutton_layer_outline(_("Create Outline BLine")),
 343         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 344         checkbutton_layer_plant(_("Create Plant BLine")),
 345         checkbutton_layer_link_origins(_("Link BLine Origins"))
 346 {
 347         egress_on_selection_change=true;
 348         load_settings();
 349
 350         // Set up the tool options dialog
 351         options_table.attach(*manage(new Gtk::Label(_("Rectangle Tool"))),      0, 2,  0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 352         options_table.attach(entry_id,                                                                          0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 353
 354         //expand stuff
 355         options_table.attach(*manage(new Gtk::Label(_("Expansion:"))),          0, 1,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 356         options_table.attach(spin_expand,                                                                       1, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 357
 358         //feather stuff
 359         options_table.attach(*manage(new Gtk::Label(_("Feather:"))),            0, 1,  3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 360         options_table.attach(spin_feather,                                                                      1, 2,  3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 361
 362         //invert flag
 363         options_table.attach(checkbutton_invert,                                                        1, 2,  4 , 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 364
 365         options_table.attach(checkbutton_layer_rectangle,                                       0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 366         options_table.attach(checkbutton_layer_outline,                                         0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 367         options_table.attach(checkbutton_layer_region,                                          0, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 368         options_table.attach(checkbutton_layer_plant,                                           0, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 369         options_table.attach(checkbutton_layer_curve_gradient,                          0, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 370         options_table.attach(checkbutton_layer_link_origins,                            0, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 371
 372         options_table.show_all();
 373
 374         //App::dialog_tool_options->set_widget(options_table);
 375         refresh_tool_options();
 376         App::dialog_tool_options->present();
 377
 378         // Turn off layer clicking
 379         get_work_area()->set_allow_layer_clicks(false);
 380
 381         // clear out the ducks
 382         get_work_area()->clear_ducks();
 383
 384         // Refresh the work area
 385         get_work_area()->queue_draw();
 386
 387         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 388
 389         // Hide the tables if they are showing
 390         //prev_table_status=get_canvas_view()->tables_are_visible();
 391         //if(prev_table_status)get_canvas_view()->hide_tables();
 392
 393         // Disable the time bar
 394         //get_canvas_view()->set_sensitive_timebar(false);
 395
 396         // Connect a signal
 397         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateRectangle_Context::on_user_click));
 398
 399         App::toolbox->refresh();
 400 }
 401
 402 void
 403 StateRectangle_Context::refresh_tool_options()
 404 {
 405         App::dialog_tool_options->clear();
 406         App::dialog_tool_options->set_widget(options_table);
 407         App::dialog_tool_options->set_local_name(_("Rectangle Tool"));
 408         App::dialog_tool_options->set_name("rectangle");
 409 }
 410
 411 Smach::event_result
 412 StateRectangle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 413 {
 414         refresh_tool_options();
 415         return Smach::RESULT_ACCEPT;
 416 }
 417
 418 StateRectangle_Context::~StateRectangle_Context()
 419 {
 420         save_settings();
 421
 422         // Restore layer clicking
 423         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 424
 425         get_canvas_view()->work_area->reset_cursor();
 426
 427         App::dialog_tool_options->clear();
 428
 429         // Enable the time bar
 430         //get_canvas_view()->set_sensitive_timebar(true);
 431
 432         // Bring back the tables if they were out before
 433         //if(prev_table_status)get_canvas_view()->show_tables();
 434
 435         // Refresh the work area
 436         get_work_area()->queue_draw();
 437
 438         get_canvas_view()->queue_rebuild_ducks();
 439
 440         App::toolbox->refresh();
 441 }
 442
 443 Smach::event_result
 444 StateRectangle_Context::event_stop_handler(const Smach::event& /*x*/)
 445 {
 446         throw Smach::egress_exception();
 447 }
 448
 449 Smach::event_result
 450 StateRectangle_Context::event_refresh_handler(const Smach::event& /*x*/)
 451 {
 452         refresh_ducks();
 453         return Smach::RESULT_ACCEPT;
 454 }
 455
 456 void
 457 StateRectangle_Context::make_rectangle(const Point& _p1, const Point& _p2)
 458 {
 459         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Rectangle"));
 460         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 461
 462         Layer::Handle layer;
 463
 464         Canvas::Handle canvas;
 465         int depth(0);
 466
 467         // we are temporarily using the layer to hold something
 468         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 469         if(layer)
 470         {
 471                 depth=layer->get_depth();
 472                 canvas=layer->get_canvas();
 473         }
 474
 475         synfigapp::SelectionManager::LayerList layer_selection;
 476         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 477                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 478
 479         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 480         const Point p1(transform.unperform(_p1));
 481         const Point p2(transform.unperform(_p2));
 482         Real x_min, x_max, y_min, y_max;
 483         if (p1[0] < p2[0]) { x_min = p1[0]; x_max = p2[0]; } else { x_min = p2[0]; x_max = p1[0]; }
 484         if (p1[1] < p2[1]) { y_min = p1[1]; y_max = p2[1]; } else { y_min = p2[1]; y_max = p1[1]; }
 485         x_min -= get_expand(); x_max += get_expand(); y_min -= get_expand(); y_max += get_expand();
 486
 487         std::vector<BLinePoint> new_list;
 488         for (int i = 0; i < 4; i++)
 489         {
 490                 new_list.push_back(*(new BLinePoint));
 491                 new_list[i].set_width(1);
 492                 new_list[i].set_vertex(Point((i==0||i==1)?x_min:x_max,
 493                                                                          (i==0||i==3)?y_min:y_max));
 494                 new_list[i].set_tangent(Point(0,0));
 495         }
 496
 497         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 498         assert(value_node_bline);
 499
 500         ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(Vector()));
 501         assert(value_node_origin);
 502
 503         // Set the looping flag
 504         value_node_bline->set_loop(true);
 505
 506         if(!canvas)
 507                 canvas=get_canvas_view()->get_canvas();
 508
 509         value_node_bline->set_member_canvas(canvas);
 510
 511         // count how many layers we're going to be creating
 512         int layers_to_create = this->layers_to_create();
 513
 514         ///////////////////////////////////////////////////////////////////////////
 515         //   R E C T A N G L E
 516         ///////////////////////////////////////////////////////////////////////////
 517
 518         if (get_layer_rectangle_flag())
 519         {
 520                 layer=get_canvas_interface()->add_layer_to("rectangle",canvas,depth);
 521                 layer_selection.push_back(layer);
 522
 523                 layer->set_param("point1",p1);
 524                 get_canvas_interface()->signal_layer_param_changed()(layer,"point1");
 525
 526                 layer->set_param("point2",p2);
 527                 get_canvas_interface()->signal_layer_param_changed()(layer,"point2");
 528
 529                 layer->set_param("expand",get_expand());
 530                 get_canvas_interface()->signal_layer_param_changed()(layer,"expand");
 531
 532                 layer->set_param("invert",get_invert());
 533                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 534
 535                 layer->set_description(get_id());
 536                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 537
 538                 if(get_layer_outline_flag())
 539                 {
 540                         layer->set_param("color",synfigapp::Main::get_background_color());
 541                         get_canvas_interface()->signal_layer_param_changed()(layer,"color");
 542                 }
 543         }
 544
 545         ///////////////////////////////////////////////////////////////////////////
 546         //   C U R V E   G R A D I E N T
 547         ///////////////////////////////////////////////////////////////////////////
 548
 549         if(get_layer_curve_gradient_flag())
 550         {
 551                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 552
 553                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 554                 assert(layer);
 555                 layer_selection.push_back(layer);
 556                 layer->set_description(get_id()+_(" Gradient"));
 557                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 558
 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("bline")))
 567                                 synfig::error("LayerParamConnect didn't like \"param\"");
 568                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 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                 // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
 581                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 582                 {
 583                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 584                         assert(action);
 585
 586                         action->set_param("canvas",get_canvas());
 587                         action->set_param("canvas_interface",get_canvas_interface());
 588                         action->set_param("layer",layer);
 589                         if(!action->set_param("param",String("origin")))
 590                                 synfig::error("LayerParamConnect didn't like \"param\"");
 591                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 592                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 593
 594                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 595                         {
 596                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 597                                 group.cancel();
 598                                 throw String(_("Unable to create Gradient layer"));
 599                                 return;
 600                         }
 601                 }
 602         }
 603
 604         ///////////////////////////////////////////////////////////////////////////
 605         //   P L A N T
 606         ///////////////////////////////////////////////////////////////////////////
 607
 608         if(get_layer_plant_flag())
 609         {
 610                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 611
 612                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 613                 assert(layer);
 614                 layer_selection.push_back(layer);
 615                 layer->set_description(get_id()+_(" Plant"));
 616                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 617
 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("bline")))
 626                                 synfig::error("LayerParamConnect didn't like \"param\"");
 627                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 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                 // only link the plant's origin parameter if the option is selected and we're creating more than one layer
 640                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 641                 {
 642                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 643                         assert(action);
 644
 645                         action->set_param("canvas",get_canvas());
 646                         action->set_param("canvas_interface",get_canvas_interface());
 647                         action->set_param("layer",layer);
 648                         if(!action->set_param("param",String("origin")))
 649                                 synfig::error("LayerParamConnect didn't like \"param\"");
 650                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 651                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 652
 653                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 654                         {
 655                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 656                                 group.cancel();
 657                                 throw String(_("Unable to create Plant layer"));
 658                                 return;
 659                         }
 660                 }
 661         }
 662
 663         ///////////////////////////////////////////////////////////////////////////
 664         //   R E G I O N
 665         ///////////////////////////////////////////////////////////////////////////
 666
 667         if(get_layer_region_flag())
 668         {
 669                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 670
 671                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 672                 assert(layer);
 673                 layer_selection.push_back(layer);
 674                 layer->set_description(get_id()+_(" Region"));
 675                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 676
 677                 layer->set_param("feather",get_feather());
 678                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 679
 680                 layer->set_param("invert",get_invert());
 681                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 682
 683                 if(get_layer_outline_flag())
 684                         layer->set_param("color",synfigapp::Main::get_background_color());
 685
 686                 // I don't know if it's safe to reuse the same layer_param_connect action, so I'm
 687                 // using 2 separate ones.
 688                 {
 689                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 690                         assert(action);
 691
 692                         action->set_param("canvas",get_canvas());
 693                         action->set_param("canvas_interface",get_canvas_interface());
 694                         action->set_param("layer",layer);
 695                         if(!action->set_param("param",String("bline")))
 696                                 synfig::error("LayerParamConnect didn't like \"param\"");
 697                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 698                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 699
 700                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 701                         {
 702                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 703                                 group.cancel();
 704                                 throw String(_("Unable to create Region layer"));
 705                                 return;
 706                         }
 707                 }
 708
 709                 // only link the region's origin parameter if the option is selected and we're creating more than one layer
 710                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 711                 {
 712                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 713                         assert(action);
 714
 715                         action->set_param("canvas",get_canvas());
 716                         action->set_param("canvas_interface",get_canvas_interface());
 717                         action->set_param("layer",layer);
 718                         if(!action->set_param("param",String("origin")))
 719                                 synfig::error("LayerParamConnect didn't like \"param\"");
 720                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 721                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 722
 723                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 724                         {
 725                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 726                                 group.cancel();
 727                                 throw String(_("Unable to create Region layer"));
 728                                 return;
 729                         }
 730                 }
 731         }
 732
 733         ///////////////////////////////////////////////////////////////////////////
 734         //   O U T L I N E
 735         ///////////////////////////////////////////////////////////////////////////
 736
 737         if (get_layer_outline_flag())
 738         {
 739                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 740                 assert(layer);
 741                 layer_selection.push_back(layer);
 742                 layer->set_description(get_id()+_(" Outline"));
 743                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 744
 745                 layer->set_param("feather",get_feather());
 746                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 747
 748                 layer->set_param("invert",get_invert());
 749                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 750
 751                 {
 752                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 753                         assert(action);
 754
 755                         action->set_param("canvas",get_canvas());
 756                         action->set_param("canvas_interface",get_canvas_interface());
 757                         action->set_param("layer",layer);
 758                         if(!action->set_param("param",String("bline")))
 759                                 synfig::error("LayerParamConnect didn't like \"param\"");
 760                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 761                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 762
 763                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 764                         {
 765                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 766                                 group.cancel();
 767                                 throw String(_("Unable to create Outline layer"));
 768                                 return;
 769                         }
 770                 }
 771
 772                 // only link the outline's origin parameter if the option is selected and we're creating more than one layer
 773                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 774                 {
 775                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 776                         assert(action);
 777
 778                         action->set_param("canvas",get_canvas());
 779                         action->set_param("canvas_interface",get_canvas_interface());
 780                         action->set_param("layer",layer);
 781                         if(!action->set_param("param",String("origin")))
 782                                 synfig::error("LayerParamConnect didn't like \"param\"");
 783                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 784                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 785
 786                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 787                         {
 788                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 789                                 group.cancel();
 790                                 throw String(_("Unable to create Outline layer"));
 791                                 return;
 792                         }
 793                 }
 794         }
 795
 796         egress_on_selection_change=false;
 797         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 798         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 799         egress_on_selection_change=true;
 800
 801         //post clean up stuff...
 802         reset();
 803         increment_id();
 804 }
 805
 806 Smach::event_result
 807 StateRectangle_Context::event_mouse_click_handler(const Smach::event& x)
 808 {
 809         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 810
 811         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
 812         {
 813                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
 814                 etl::handle<Duck> duck=new Duck();
 815                 duck->set_point(point_holder);
 816                 duck->set_name("p1");
 817                 duck->set_type(Duck::TYPE_POSITION);
 818                 get_work_area()->add_duck(duck);
 819
 820                 point2_duck=new Duck();
 821                 point2_duck->set_point(point_holder);
 822                 point2_duck->set_name("p2");
 823                 point2_duck->set_type(Duck::TYPE_POSITION);
 824                 point2_duck->set_box_duck(duck);
 825                 get_work_area()->add_duck(point2_duck);
 826
 827                 return Smach::RESULT_ACCEPT;
 828         }
 829
 830         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
 831         {
 832                 if (!point2_duck) return Smach::RESULT_OK;
 833                 point2_duck->set_point(get_work_area()->snap_point_to_grid(event.pos));
 834                 get_work_area()->queue_draw();
 835                 return Smach::RESULT_ACCEPT;
 836         }
 837
 838         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
 839         {
 840                 make_rectangle(point_holder, get_work_area()->snap_point_to_grid(event.pos));
 841                 get_work_area()->clear_ducks();
 842                 return Smach::RESULT_ACCEPT;
 843         }
 844
 845         return Smach::RESULT_OK;
 846 }
 847
 848
 849 void
 850 StateRectangle_Context::refresh_ducks()
 851 {
 852         get_work_area()->clear_ducks();
 853         get_work_area()->queue_draw();
 854 }