synfig-studio/src/gtkmm/state_circle.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_circle.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_circle.h"
  41 #include "state_normal.h"
  42 #include "canvasview.h"
  43 #include "workarea.h"
  44 #include "app.h"
  45
  46 #include <synfigapp/action.h>
  47 #include "event_mouse.h"
  48 #include "event_layerclick.h"
  49 #include "toolbox.h"
  50 #include "dialog_tooloptions.h"
  51 #include <gtkmm/optionmenu.h>
  52 #include "duck.h"
  53 #include "widget_enum.h"
  54 #include <synfigapp/main.h>
  55
  56 #include "general.h"
  57
  58 #endif
  59
  60 /* === U S I N G =========================================================== */
  61
  62 using namespace std;
  63 using namespace etl;
  64 using namespace synfig;
  65 using namespace studio;
  66
  67 /* === M A C R O S ========================================================= */
  68 enum CircleFalloff
  69 {
  70         CIRCLE_SQUARED  =0,
  71         CIRCLE_INTERPOLATION_LINEAR     =1,
  72         CIRCLE_COSINE   =2,
  73         CIRCLE_SIGMOND  =3,
  74         CIRCLE_SQRT             =4,
  75         CIRCLE_NUM_FALLOFF
  76 };
  77
  78 /* === G L O B A L S ======================================================= */
  79
  80 StateCircle studio::state_circle;
  81
  82 /* === C L A S S E S & S T R U C T S ======================================= */
  83
  84 class studio::StateCircle_Context : public sigc::trackable
  85 {
  86         etl::handle<CanvasView> canvas_view_;
  87         CanvasView::IsWorking is_working;
  88
  89         Duckmatic::Push duckmatic_push;
  90
  91         Point point_holder;
  92
  93         etl::handle<Duck> point2_duck;
  94
  95         void refresh_ducks();
  96
  97         bool prev_workarea_layer_status_;
  98
  99         //Toolbox settings
 100         synfigapp::Settings& settings;
 101
 102         //Toolbox display
 103         Gtk::Table options_table;
 104
 105         Gtk::Entry              entry_id; //what to name the layer
 106
 107         Widget_Enum             enum_falloff;
 108 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 109         Widget_Enum             enum_blend;
 110 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 111
 112         Gtk::Adjustment adj_feather;
 113         Gtk::Adjustment adj_number_of_bline_points;
 114         Gtk::Adjustment adj_bline_point_angle_offset;
 115         Gtk::SpinButton spin_feather;
 116         Gtk::SpinButton spin_number_of_bline_points;
 117         Gtk::SpinButton spin_bline_point_angle_offset;
 118
 119         Gtk::CheckButton checkbutton_invert;
 120         Gtk::CheckButton checkbutton_layer_circle;
 121         Gtk::CheckButton checkbutton_layer_region;
 122         Gtk::CheckButton checkbutton_layer_outline;
 123         Gtk::CheckButton checkbutton_layer_curve_gradient;
 124         Gtk::CheckButton checkbutton_layer_plant;
 125         Gtk::CheckButton checkbutton_layer_link_origins;
 126         Gtk::CheckButton checkbutton_layer_origins_at_center;
 127
 128 public:
 129
 130         // this only counts the layers which will have their origins linked
 131         int layers_to_create()const
 132         {
 133                 return
 134                         (get_layer_circle_flag() && get_layer_origins_at_center_flag()) +
 135                         get_layer_region_flag() +
 136                         get_layer_outline_flag() +
 137                         get_layer_curve_gradient_flag() +
 138                         get_layer_plant_flag();
 139         }
 140
 141         synfig::String get_id()const { return entry_id.get_text(); }
 142         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 143
 144         int get_falloff()const { return enum_falloff.get_value(); }
 145         void set_falloff(int x) { return enum_falloff.set_value(x); }
 146
 147 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 148         int get_blend()const { return enum_blend.get_value(); }
 149         void set_blend(int x) { return enum_blend.set_value(x); }
 150 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 151
 152         Real get_feather()const { return adj_feather.get_value(); }
 153         void set_feather(Real f) { adj_feather.set_value(f); }
 154
 155         Real get_number_of_bline_points()const { return adj_number_of_bline_points.get_value(); }
 156         void set_number_of_bline_points(Real f) { adj_number_of_bline_points.set_value(f); }
 157
 158         Real get_bline_point_angle_offset()const { return adj_bline_point_angle_offset.get_value(); }
 159         void set_bline_point_angle_offset(Real f) { adj_bline_point_angle_offset.set_value(f); }
 160
 161         bool get_invert()const { return checkbutton_invert.get_active(); }
 162         void set_invert(bool i) { checkbutton_invert.set_active(i); }
 163
 164         bool get_layer_circle_flag()const { return checkbutton_layer_circle.get_active(); }
 165         void set_layer_circle_flag(bool x) { return checkbutton_layer_circle.set_active(x); }
 166
 167         bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
 168         void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
 169
 170         bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
 171         void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
 172
 173         bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
 174         void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
 175
 176         bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
 177         void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
 178
 179         bool get_layer_link_origins_flag()const { return checkbutton_layer_link_origins.get_active(); }
 180         void set_layer_link_origins_flag(bool x) { return checkbutton_layer_link_origins.set_active(x); }
 181
 182         bool get_layer_origins_at_center_flag()const { return checkbutton_layer_origins_at_center.get_active(); }
 183         void set_layer_origins_at_center_flag(bool x) { return checkbutton_layer_origins_at_center.set_active(x); }
 184
 185         void refresh_tool_options(); //to refresh the toolbox
 186
 187         //events
 188         Smach::event_result event_stop_handler(const Smach::event& x);
 189         Smach::event_result event_refresh_handler(const Smach::event& x);
 190         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 191         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 192
 193         //constructor destructor
 194         StateCircle_Context(CanvasView* canvas_view);
 195         ~StateCircle_Context();
 196
 197         //Canvas interaction
 198         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 199         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 200         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 201         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 202
 203         //Modifying settings etc.
 204         void load_settings();
 205         void save_settings();
 206         void reset();
 207         void increment_id();
 208         bool egress_on_selection_change;
 209         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 210         {
 211                 if(egress_on_selection_change)
 212                         throw &state_normal; //throw Smach::egress_exception();
 213                 return Smach::RESULT_OK;
 214         }
 215
 216         void make_circle(const Point& p1, const Point& p2);
 217
 218 };      // END of class StateCircle_Context
 219
 220 /* === M E T H O D S ======================================================= */
 221
 222 StateCircle::StateCircle():
 223         Smach::state<StateCircle_Context>("circle")
 224 {
 225         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateCircle_Context::event_layer_selection_changed_handler));
 226         insert(event_def(EVENT_STOP,&StateCircle_Context::event_stop_handler));
 227         insert(event_def(EVENT_REFRESH,&StateCircle_Context::event_refresh_handler));
 228         insert(event_def(EVENT_REFRESH_DUCKS,&StateCircle_Context::event_refresh_handler));
 229         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateCircle_Context::event_mouse_click_handler));
 230         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateCircle_Context::event_mouse_click_handler));
 231         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateCircle_Context::event_mouse_click_handler));
 232         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateCircle_Context::event_refresh_tool_options));
 233 }
 234
 235 StateCircle::~StateCircle()
 236 {
 237 }
 238
 239 void
 240 StateCircle_Context::load_settings()
 241 {
 242         String value;
 243
 244         //parse the arguments yargh!
 245         if(settings.get_value("circle.id",value))
 246                 set_id(value);
 247         else
 248                 set_id("Circle");
 249
 250         if(settings.get_value("circle.fallofftype",value) && value != "")
 251                 set_falloff(atoi(value.c_str()));
 252         else
 253                 set_falloff(2);
 254
 255 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 256         if(settings.get_value("circle.blend",value) && value != "")
 257                 set_blend(atoi(value.c_str()));
 258         else
 259                 set_blend(0);//(int)Color::BLEND_COMPOSITE); //0 should be blend composites value
 260 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 261
 262         if(settings.get_value("circle.feather",value))
 263                 set_feather(atof(value.c_str()));
 264         else
 265                 set_feather(0);
 266
 267         if(settings.get_value("circle.number_of_bline_points",value))
 268                 set_number_of_bline_points(atof(value.c_str()));
 269         else
 270                 set_number_of_bline_points(4);
 271
 272         if(settings.get_value("circle.bline_point_angle_offset",value))
 273                 set_bline_point_angle_offset(atof(value.c_str()));
 274         else
 275                 set_bline_point_angle_offset(0);
 276
 277         if(settings.get_value("circle.invert",value) && value != "0")
 278                 set_invert(true);
 279         else
 280                 set_invert(false);
 281
 282         if(settings.get_value("circle.layer_circle",value) && value=="0")
 283                 set_layer_circle_flag(false);
 284         else
 285                 set_layer_circle_flag(true);
 286
 287         if(settings.get_value("circle.layer_region",value) && value=="1")
 288                 set_layer_region_flag(true);
 289         else
 290                 set_layer_region_flag(false);
 291
 292         if(settings.get_value("circle.layer_outline",value) && value=="1")
 293                 set_layer_outline_flag(true);
 294         else
 295                 set_layer_outline_flag(false);
 296
 297         if(settings.get_value("circle.layer_curve_gradient",value) && value=="1")
 298                 set_layer_curve_gradient_flag(true);
 299         else
 300                 set_layer_curve_gradient_flag(false);
 301
 302         if(settings.get_value("circle.layer_plant",value) && value=="1")
 303                 set_layer_plant_flag(true);
 304         else
 305                 set_layer_plant_flag(false);
 306
 307         if(settings.get_value("circle.layer_link_origins",value) && value=="0")
 308                 set_layer_link_origins_flag(false);
 309         else
 310                 set_layer_link_origins_flag(true);
 311
 312         if(settings.get_value("circle.layer_origins_at_center",value) && value=="0")
 313                 set_layer_origins_at_center_flag(false);
 314         else
 315                 set_layer_origins_at_center_flag(true);
 316 }
 317
 318 void
 319 StateCircle_Context::save_settings()
 320 {
 321         settings.set_value("circle.id",get_id());
 322         settings.set_value("circle.fallofftype",strprintf("%d",get_falloff()));
 323 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 324         settings.set_value("circle.blend",strprintf("%d",get_blend()));
 325 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 326         settings.set_value("circle.feather",strprintf("%f",(float)get_feather()));
 327         settings.set_value("circle.number_of_bline_points",strprintf("%d",(int)(get_number_of_bline_points() + 0.5)));
 328         settings.set_value("circle.bline_point_angle_offset",strprintf("%f",(float)get_bline_point_angle_offset()));
 329         settings.set_value("circle.invert",get_invert()?"1":"0");
 330         settings.set_value("circle.layer_circle",get_layer_circle_flag()?"1":"0");
 331         settings.set_value("circle.layer_outline",get_layer_outline_flag()?"1":"0");
 332         settings.set_value("circle.layer_region",get_layer_region_flag()?"1":"0");
 333         settings.set_value("circle.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 334         settings.set_value("circle.layer_plant",get_layer_plant_flag()?"1":"0");
 335         settings.set_value("circle.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
 336         settings.set_value("circle.layer_origins_at_center",get_layer_origins_at_center_flag()?"1":"0");
 337 }
 338
 339 void
 340 StateCircle_Context::reset()
 341 {
 342         refresh_ducks();
 343 }
 344
 345 void
 346 StateCircle_Context::increment_id()
 347 {
 348         String id(get_id());
 349         int number=1;
 350         int digits=0;
 351
 352         if(id.empty())
 353                 id="Circle";
 354
 355         // If there is a number
 356         // already at the end of the
 357         // id, then remove it.
 358         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 359         {
 360                 // figure out how many digits it is
 361                 for (digits = 0;
 362                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 363                          digits++)
 364                         ;
 365
 366                 String str_number;
 367                 str_number=String(id,id.size()-digits,id.size());
 368                 id=String(id,0,id.size()-digits);
 369
 370                 number=atoi(str_number.c_str());
 371         }
 372         else
 373         {
 374                 number=1;
 375                 digits=3;
 376         }
 377
 378         number++;
 379
 380         // Add the number back onto the id
 381         {
 382                 const String format(strprintf("%%0%dd",digits));
 383                 id+=strprintf(format.c_str(),number);
 384         }
 385
 386         // Set the ID
 387         set_id(id);
 388 }
 389
 390 StateCircle_Context::StateCircle_Context(CanvasView* canvas_view):
 391         canvas_view_(canvas_view),
 392         is_working(*canvas_view),
 393         duckmatic_push(get_work_area()),
 394         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 395         settings(synfigapp::Main::get_selected_input_device()->settings()),
 396         entry_id(),                             //   value lower upper  step page
 397         adj_feather(                                    0,    0,    1, 0.01, 0.1),
 398         adj_number_of_bline_points(             0,    2,  120, 1   , 1  ),
 399         adj_bline_point_angle_offset(   0, -360,  360, 0.1 , 1  ),
 400         spin_feather(adj_feather,0.1,3),
 401         spin_number_of_bline_points(adj_number_of_bline_points,1,0),
 402         spin_bline_point_angle_offset(adj_bline_point_angle_offset,1,1),
 403         checkbutton_invert(_("Invert")),
 404         checkbutton_layer_circle(_("Create Circle Layer")),
 405         checkbutton_layer_region(_("Create Region BLine")),
 406         checkbutton_layer_outline(_("Create Outline BLine")),
 407         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 408         checkbutton_layer_plant(_("Create Plant BLine")),
 409         checkbutton_layer_link_origins(_("Link Origins")),
 410         checkbutton_layer_origins_at_center(_("BLine Origins at Center"))
 411 {
 412         egress_on_selection_change=true;
 413
 414         // Set up the tool options dialog
 415         enum_falloff.set_param_desc(ParamDesc("falloff")
 416                 .set_local_name(_("Falloff"))
 417                 .set_description(_("Determines the falloff function for the feather"))
 418                 .set_hint("enum")
 419                 .add_enum_value(CIRCLE_INTERPOLATION_LINEAR,"linear",_("Linear"))
 420                 .add_enum_value(CIRCLE_SQUARED,"squared",_("Squared"))
 421                 .add_enum_value(CIRCLE_SQRT,"sqrt",_("Square Root"))
 422                 .add_enum_value(CIRCLE_SIGMOND,"sigmond",_("Sigmond"))
 423                 .add_enum_value(CIRCLE_COSINE,"cosine",_("Cosine")));
 424
 425 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 426         enum_blend.set_param_desc(ParamDesc(Color::BLEND_COMPOSITE,"blend_method")
 427                 .set_local_name(_("Blend Method"))
 428                 .set_description(_("Defines the blend method to be used for circles")));
 429 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 430
 431         load_settings();
 432
 433         options_table.attach(*manage(new Gtk::Label(_("Circle Tool"))),         0, 2,  0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 434         options_table.attach(entry_id,                                                                          0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 435
 436         options_table.attach(checkbutton_layer_circle,                                          0, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 437         options_table.attach(checkbutton_layer_outline,                                         0, 2,  3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 438         options_table.attach(checkbutton_layer_region,                                          0, 2,  4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 439         options_table.attach(checkbutton_layer_plant,                                           0, 2,  5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 440         options_table.attach(checkbutton_layer_curve_gradient,                          0, 2,  6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 441         options_table.attach(checkbutton_layer_link_origins,                            0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 442         options_table.attach(checkbutton_layer_origins_at_center,                       0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 443
 444         //invert flag
 445         options_table.attach(checkbutton_invert,                                                0, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 446
 447         options_table.attach(*manage(new Gtk::Label(_("Falloff:"))),            0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 448         options_table.attach(enum_falloff,                                      1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 449
 450         //feather stuff
 451         options_table.attach(*manage(new Gtk::Label(_("Feather:"))),            0, 1, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 452         options_table.attach(spin_feather,                                                              1, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 453
 454 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 455         options_table.attach(enum_blend,                                        0, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 456 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 457
 458         options_table.attach(*manage(new Gtk::Label(_("BLine Points:"))),       0, 1, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 459         options_table.attach(spin_number_of_bline_points,                                       1, 2, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 460
 461 options_table.attach(*manage(new Gtk::Label(_("Point Angle Offset:"))), 0, 1, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 462         options_table.attach(spin_bline_point_angle_offset,                                     1, 2, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 463
 464         options_table.show_all();
 465
 466         refresh_tool_options();
 467         App::dialog_tool_options->present();
 468
 469         // Turn off layer clicking
 470         get_work_area()->set_allow_layer_clicks(false);
 471
 472         // clear out the ducks
 473         get_work_area()->clear_ducks();
 474
 475         // Refresh the work area
 476         get_work_area()->queue_draw();
 477
 478         // Hide the tables if they are showing
 479         //prev_table_status=get_canvas_view()->tables_are_visible();
 480         //if(prev_table_status)get_canvas_view()->hide_tables();
 481
 482         // Disable the time bar
 483         //get_canvas_view()->set_sensitive_timebar(false);
 484
 485         // Connect a signal
 486         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateCircle_Context::on_user_click));
 487         get_work_area()->set_cursor(Gdk::CROSSHAIR);
 488
 489         App::toolbox->refresh();
 490 }
 491
 492 void
 493 StateCircle_Context::refresh_tool_options()
 494 {
 495         App::dialog_tool_options->clear();
 496         App::dialog_tool_options->set_widget(options_table);
 497         App::dialog_tool_options->set_local_name(_("Circle Tool"));
 498         App::dialog_tool_options->set_name("circle");
 499 }
 500
 501 Smach::event_result
 502 StateCircle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 503 {
 504         refresh_tool_options();
 505         return Smach::RESULT_ACCEPT;
 506 }
 507
 508 StateCircle_Context::~StateCircle_Context()
 509 {
 510         save_settings();
 511
 512         // Restore layer clicking
 513         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 514         get_work_area()->reset_cursor();
 515
 516         App::dialog_tool_options->clear();
 517
 518         // Enable the time bar
 519         //get_canvas_view()->set_sensitive_timebar(true);
 520
 521         // Bring back the tables if they were out before
 522         //if(prev_table_status)get_canvas_view()->show_tables();
 523
 524         // Refresh the work area
 525         get_work_area()->queue_draw();
 526
 527         get_canvas_view()->queue_rebuild_ducks();
 528
 529         App::toolbox->refresh();
 530 }
 531
 532 Smach::event_result
 533 StateCircle_Context::event_stop_handler(const Smach::event& /*x*/)
 534 {
 535         //throw Smach::egress_exception();
 536         throw &state_normal;
 537         return Smach::RESULT_OK;
 538 }
 539
 540 Smach::event_result
 541 StateCircle_Context::event_refresh_handler(const Smach::event& /*x*/)
 542 {
 543         refresh_ducks();
 544         return Smach::RESULT_ACCEPT;
 545 }
 546
 547 void
 548 StateCircle_Context::make_circle(const Point& _p1, const Point& _p2)
 549 {
 550         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Circle"));
 551         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 552
 553         Layer::Handle layer;
 554
 555         Canvas::Handle canvas;
 556         int depth(0);
 557
 558         // we are temporarily using the layer to hold something
 559         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 560         if(layer)
 561         {
 562                 depth=layer->get_depth();
 563                 canvas=layer->get_canvas();
 564         }
 565
 566         synfigapp::SelectionManager::LayerList layer_selection;
 567         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 568                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 569
 570         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 571         const Point p1(transform.unperform(_p1));
 572         const Point p2(transform.unperform(_p2));
 573
 574         Real radius((p2-p1).mag());
 575         int points = get_number_of_bline_points();
 576         Angle::deg offset(get_bline_point_angle_offset());
 577         Angle::deg angle(360.0/points);
 578         Real tangent(4 * ((points == 2)
 579                                           ? 1
 580                                           : ((2 * Angle::cos(angle/2).get() - Angle::cos(angle).get() - 1) / Angle::sin(angle).get())));
 581         Vector origin;
 582         Real x, y;
 583
 584         if (get_layer_origins_at_center_flag())
 585         {
 586                 x = y = 0;
 587                 origin = p1;
 588         }
 589         else
 590         {
 591                 x = p1[0];
 592                 y = p1[1];
 593         }
 594
 595         std::vector<BLinePoint> new_list;
 596         for (int i = 0; i < points; i++)
 597         {
 598                 new_list.push_back(*(new BLinePoint));
 599                 new_list[i].set_width(1);
 600                 new_list[i].set_vertex(Point(radius*Angle::cos(angle*i + offset).get() + x,
 601                                                                          radius*Angle::sin(angle*i + offset).get() + y));
 602                 new_list[i].set_tangent(Point(-radius*tangent*Angle::sin(angle*i + offset).get(),
 603                                                                            radius*tangent*Angle::cos(angle*i + offset).get()));
 604         }
 605
 606         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 607         assert(value_node_bline);
 608
 609         ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(origin));
 610         assert(value_node_origin);
 611
 612         // Set the looping flag
 613         value_node_bline->set_loop(true);
 614
 615         if(!canvas)
 616                 canvas=get_canvas_view()->get_canvas();
 617
 618         value_node_bline->set_member_canvas(canvas);
 619
 620         // count how many layers we're going to be creating
 621         int layers_to_create = this->layers_to_create();
 622
 623         ///////////////////////////////////////////////////////////////////////////
 624         //   C I R C L E
 625         ///////////////////////////////////////////////////////////////////////////
 626
 627         if (get_layer_circle_flag() &&
 628                 get_falloff() >= 0 && get_falloff() < CIRCLE_NUM_FALLOFF)
 629         {
 630                 layer=get_canvas_interface()->add_layer_to("circle",canvas,depth);
 631                 if (!layer)
 632                 {
 633                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 634                         group.cancel();
 635                         return;
 636                 }
 637                 layer_selection.push_back(layer);
 638
 639                 layer->set_param("radius",(p2-p1).mag());
 640                 get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
 641
 642                 layer->set_param("falloff",get_falloff());
 643                 get_canvas_interface()->signal_layer_param_changed()(layer,"falloff");
 644
 645                 layer->set_param("feather",get_feather());
 646                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 647
 648                 layer->set_param("invert",get_invert());
 649                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 650
 651 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 652                 layer->set_param("blend_method",get_blend());
 653                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 654 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 655
 656                 layer->set_description(get_id());
 657                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 658
 659                 // only link the circle's origin parameter if the option is selected, we're putting bline
 660                 // origins at their centers, and we're creating more than one layer
 661                 if (get_layer_link_origins_flag() && get_layer_origins_at_center_flag() && layers_to_create > 1)
 662                 {
 663                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 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("origin")))
 670                                 synfig::error("LayerParamConnect didn't like \"param\"");
 671                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 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 Circle layer"));
 677                                 group.cancel();
 678                                 throw String(_("Unable to create Circle layer"));
 679                                 return;
 680                         }
 681                 }
 682                 else
 683                 {
 684                         layer->set_param("origin",p1);
 685                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 686                 }
 687         }
 688
 689         ///////////////////////////////////////////////////////////////////////////
 690         //   C U R V E   G R A D I E N T
 691         ///////////////////////////////////////////////////////////////////////////
 692
 693         if(get_layer_curve_gradient_flag())
 694         {
 695                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 696
 697                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 698                 if (!layer)
 699                 {
 700                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 701                         group.cancel();
 702                         return;
 703                 }
 704                 layer_selection.push_back(layer);
 705                 layer->set_description(get_id()+_(" Gradient"));
 706                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 707
 708 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 709                 layer->set_param("blend_method",get_blend());
 710                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 711 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 712
 713                 {
 714                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 715                         assert(action);
 716
 717                         action->set_param("canvas",get_canvas());
 718                         action->set_param("canvas_interface",get_canvas_interface());
 719                         action->set_param("layer",layer);
 720                         if(!action->set_param("param",String("bline")))
 721                                 synfig::error("LayerParamConnect didn't like \"param\"");
 722                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 723                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 724
 725                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 726                         {
 727                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 728                                 group.cancel();
 729                                 throw String(_("Unable to create Gradient layer"));
 730                                 return;
 731                         }
 732                 }
 733
 734                 // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
 735                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 736                 {
 737                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 738                         assert(action);
 739
 740                         action->set_param("canvas",get_canvas());
 741                         action->set_param("canvas_interface",get_canvas_interface());
 742                         action->set_param("layer",layer);
 743                         if(!action->set_param("param",String("origin")))
 744                                 synfig::error("LayerParamConnect didn't like \"param\"");
 745                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 746                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 747
 748                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 749                         {
 750                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 751                                 group.cancel();
 752                                 throw String(_("Unable to create Gradient layer"));
 753                                 return;
 754                         }
 755                 }
 756                 else
 757                 {
 758                         layer->set_param("origin",origin);
 759                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 760                 }
 761         }
 762
 763         ///////////////////////////////////////////////////////////////////////////
 764         //   P L A N T
 765         ///////////////////////////////////////////////////////////////////////////
 766
 767         if(get_layer_plant_flag())
 768         {
 769                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 770
 771                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 772                 if (!layer)
 773                 {
 774                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 775                         group.cancel();
 776                         return;
 777                 }
 778                 layer_selection.push_back(layer);
 779                 layer->set_description(get_id()+_(" Plant"));
 780                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 781
 782 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 783                 layer->set_param("blend_method",get_blend());
 784                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 785 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 786
 787                 {
 788                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 789                         assert(action);
 790
 791                         action->set_param("canvas",get_canvas());
 792                         action->set_param("canvas_interface",get_canvas_interface());
 793                         action->set_param("layer",layer);
 794                         if(!action->set_param("param",String("bline")))
 795                                 synfig::error("LayerParamConnect didn't like \"param\"");
 796                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 797                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 798
 799                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 800                         {
 801                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 802                                 group.cancel();
 803                                 throw String(_("Unable to create Plant layer"));
 804                                 return;
 805                         }
 806                 }
 807
 808                 // only link the plant's origin parameter if the option is selected and we're creating more than one layer
 809                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 810                 {
 811                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 812                         assert(action);
 813
 814                         action->set_param("canvas",get_canvas());
 815                         action->set_param("canvas_interface",get_canvas_interface());
 816                         action->set_param("layer",layer);
 817                         if(!action->set_param("param",String("origin")))
 818                                 synfig::error("LayerParamConnect didn't like \"param\"");
 819                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 820                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 821
 822                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 823                         {
 824                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 825                                 group.cancel();
 826                                 throw String(_("Unable to create Plant layer"));
 827                                 return;
 828                         }
 829                 }
 830                 else
 831                 {
 832                         layer->set_param("origin",origin);
 833                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 834                 }
 835         }
 836
 837         ///////////////////////////////////////////////////////////////////////////
 838         //   R E G I O N
 839         ///////////////////////////////////////////////////////////////////////////
 840
 841         if(get_layer_region_flag())
 842         {
 843                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 844
 845                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 846                 if (!layer)
 847                 {
 848                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 849                         group.cancel();
 850                         return;
 851                 }
 852                 layer_selection.push_back(layer);
 853                 layer->set_description(get_id()+_(" Region"));
 854                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 855
 856 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 857                 layer->set_param("blend_method",get_blend());
 858                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 859 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 860
 861                 layer->set_param("feather",get_feather());
 862                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 863
 864                 layer->set_param("invert",get_invert());
 865                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 866
 867                 // I don't know if it's safe to reuse the same LayerParamConnect action, so I'm
 868                 // using 2 separate ones.
 869                 {
 870                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 871                         assert(action);
 872
 873                         action->set_param("canvas",get_canvas());
 874                         action->set_param("canvas_interface",get_canvas_interface());
 875                         action->set_param("layer",layer);
 876                         if(!action->set_param("param",String("bline")))
 877                                 synfig::error("LayerParamConnect didn't like \"param\"");
 878                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 879                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 880
 881                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 882                         {
 883                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 884                                 group.cancel();
 885                                 throw String(_("Unable to create Region layer"));
 886                                 return;
 887                         }
 888                 }
 889
 890                 // only link the region's origin parameter if the option is selected and we're creating more than one layer
 891                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 892                 {
 893                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 894                         assert(action);
 895
 896                         action->set_param("canvas",get_canvas());
 897                         action->set_param("canvas_interface",get_canvas_interface());
 898                         action->set_param("layer",layer);
 899                         if(!action->set_param("param",String("origin")))
 900                                 synfig::error("LayerParamConnect didn't like \"param\"");
 901                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 902                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 903
 904                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 905                         {
 906                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 907                                 group.cancel();
 908                                 throw String(_("Unable to create Region layer"));
 909                                 return;
 910                         }
 911                 }
 912                 else
 913                 {
 914                         layer->set_param("origin",origin);
 915                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 916                 }
 917         }
 918
 919         ///////////////////////////////////////////////////////////////////////////
 920         //   O U T L I N E
 921         ///////////////////////////////////////////////////////////////////////////
 922
 923         if (get_layer_outline_flag())
 924         {
 925                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 926                 if (!layer)
 927                 {
 928                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 929                         group.cancel();
 930                         return;
 931                 }
 932                 layer_selection.push_back(layer);
 933                 layer->set_description(get_id()+_(" Outline"));
 934                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 935
 936 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 937                 layer->set_param("blend_method",get_blend());
 938                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 939 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 940
 941                 layer->set_param("feather",get_feather());
 942                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 943
 944                 layer->set_param("invert",get_invert());
 945                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 946
 947                 {
 948                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 949                         assert(action);
 950
 951                         action->set_param("canvas",get_canvas());
 952                         action->set_param("canvas_interface",get_canvas_interface());
 953                         action->set_param("layer",layer);
 954                         if(!action->set_param("param",String("bline")))
 955                                 synfig::error("LayerParamConnect didn't like \"param\"");
 956                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 957                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 958
 959                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 960                         {
 961                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 962                                 group.cancel();
 963                                 throw String(_("Unable to create Outline layer"));
 964                                 return;
 965                         }
 966                 }
 967
 968                 // only link the outline's origin parameter if the option is selected and we're creating more than one layer
 969                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 970                 {
 971                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 972                         assert(action);
 973
 974                         action->set_param("canvas",get_canvas());
 975                         action->set_param("canvas_interface",get_canvas_interface());
 976                         action->set_param("layer",layer);
 977                         if(!action->set_param("param",String("origin")))
 978                                 synfig::error("LayerParamConnect didn't like \"param\"");
 979                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 980                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 981
 982                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 983                         {
 984                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 985                                 group.cancel();
 986                                 throw String(_("Unable to create Outline layer"));
 987                                 return;
 988                         }
 989                 }
 990                 else
 991                 {
 992                         layer->set_param("origin",origin);
 993                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 994                 }
 995         }
 996
 997         egress_on_selection_change=false;
 998         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 999         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
1000         egress_on_selection_change=true;
1001
1002         reset();
1003         increment_id();
1004 }
1005
1006 Smach::event_result
1007 StateCircle_Context::event_mouse_click_handler(const Smach::event& x)
1008 {
1009         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
1010
1011         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
1012         {
1013                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
1014                 etl::handle<Duck> duck=new Duck();
1015                 duck->set_point(point_holder);
1016                 duck->set_name("p1");
1017                 duck->set_type(Duck::TYPE_POSITION);
1018                 duck->set_editable(false);
1019                 get_work_area()->add_duck(duck);
1020
1021                 point2_duck=new Duck();
1022                 point2_duck->set_point(Vector(0,0));
1023                 point2_duck->set_name("radius");
1024                 point2_duck->set_origin(duck);
1025                 point2_duck->set_radius(true);
1026                 point2_duck->set_scalar(-1);
1027                 point2_duck->set_type(Duck::TYPE_RADIUS);
1028                 point2_duck->set_hover(true);
1029                 get_work_area()->add_duck(point2_duck);
1030
1031                 return Smach::RESULT_ACCEPT;
1032         }
1033
1034         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
1035         {
1036                 if (!point2_duck) return Smach::RESULT_OK;
1037                 point2_duck->set_point(point_holder-get_work_area()->snap_point_to_grid(event.pos));
1038                 get_work_area()->queue_draw();
1039                 return Smach::RESULT_ACCEPT;
1040         }
1041
1042         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
1043         {
1044                 Point point(get_work_area()->snap_point_to_grid(event.pos));
1045
1046                 if (App::restrict_radius_ducks)
1047                 {
1048                         if ((point[0] - point_holder[0]) < 0) point[0] = point_holder[0];
1049                         if ((point[1] - point_holder[1]) < 0) point[1] = point_holder[1];
1050                 }
1051
1052                 make_circle(point_holder, point);
1053                 get_work_area()->clear_ducks();
1054                 return Smach::RESULT_ACCEPT;
1055         }
1056
1057         return Smach::RESULT_OK;
1058 }
1059
1060
1061 void
1062 StateCircle_Context::refresh_ducks()
1063 {
1064         get_work_area()->clear_ducks();
1065         get_work_area()->queue_draw();
1066 }