synfig-studio/trunk/src/gtkmm/state_star.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_star.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_star.h"
  41 #include "canvasview.h"
  42 #include "workarea.h"
  43 #include "app.h"
  44
  45 #include <synfigapp/action.h>
  46 #include "event_mouse.h"
  47 #include "event_layerclick.h"
  48 #include "toolbox.h"
  49 #include "dialog_tooloptions.h"
  50 #include <gtkmm/optionmenu.h>
  51 #include "duck.h"
  52 #include "widget_enum.h"
  53 #include <synfigapp/main.h>
  54
  55 #include "general.h"
  56
  57 #endif
  58
  59 /* === U S I N G =========================================================== */
  60
  61 using namespace std;
  62 using namespace etl;
  63 using namespace synfig;
  64 using namespace studio;
  65
  66 /* === M A C R O S ========================================================= */
  67
  68 /* === G L O B A L S ======================================================= */
  69
  70 StateStar studio::state_star;
  71
  72 /* === C L A S S E S & S T R U C T S ======================================= */
  73
  74 class studio::StateStar_Context : public sigc::trackable
  75 {
  76         etl::handle<CanvasView> canvas_view_;
  77         CanvasView::IsWorking is_working;
  78
  79         Duckmatic::Push duckmatic_push;
  80
  81         Point point_holder;
  82
  83         etl::handle<Duck> point2_duck;
  84
  85         void refresh_ducks();
  86
  87         bool prev_workarea_layer_status_;
  88
  89         //Toolbox settings
  90         synfigapp::Settings& settings;
  91
  92         //Toolbox display
  93         Gtk::Table options_table;
  94
  95         Gtk::Entry              entry_id; //what to name the layer
  96
  97         Gtk::Adjustment adj_feather;
  98         Gtk::Adjustment adj_number_of_points;
  99         Gtk::Adjustment adj_inner_tangent;
 100         Gtk::Adjustment adj_outer_tangent;
 101         Gtk::Adjustment adj_inner_width;
 102         Gtk::Adjustment adj_outer_width;
 103         Gtk::Adjustment adj_radius_ratio;
 104         Gtk::Adjustment adj_angle_offset;
 105         Gtk::SpinButton spin_feather;
 106         Gtk::SpinButton spin_number_of_points;
 107         Gtk::SpinButton spin_inner_tangent;
 108         Gtk::SpinButton spin_outer_tangent;
 109         Gtk::SpinButton spin_inner_width;
 110         Gtk::SpinButton spin_outer_width;
 111         Gtk::SpinButton spin_radius_ratio;
 112         Gtk::SpinButton spin_angle_offset;
 113
 114         Gtk::CheckButton checkbutton_invert;
 115         Gtk::CheckButton checkbutton_regular_polygon;
 116         Gtk::CheckButton checkbutton_layer_star;
 117         Gtk::CheckButton checkbutton_layer_region;
 118         Gtk::CheckButton checkbutton_layer_outline;
 119         Gtk::CheckButton checkbutton_layer_curve_gradient;
 120         Gtk::CheckButton checkbutton_layer_plant;
 121         Gtk::CheckButton checkbutton_layer_link_origins;
 122
 123 public:
 124
 125         // this only counts the layers which use blines - they're the only
 126         // ones we link the origins for
 127         int layers_to_create()const
 128         {
 129                 return
 130                         get_layer_region_flag() +
 131                         get_layer_outline_flag() +
 132                         get_layer_curve_gradient_flag() +
 133                         get_layer_plant_flag();
 134         }
 135
 136         synfig::String get_id()const { return entry_id.get_text(); }
 137         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 138
 139         Real get_feather()const { return adj_feather.get_value(); }
 140         void set_feather(Real f) { adj_feather.set_value(f); }
 141
 142         Real get_number_of_points()const { return adj_number_of_points.get_value(); }
 143         void set_number_of_points(Real f) { adj_number_of_points.set_value(f); }
 144
 145         Real get_inner_tangent()const { return adj_inner_tangent.get_value(); }
 146         void set_inner_tangent(Real f) { adj_inner_tangent.set_value(f); }
 147
 148         Real get_outer_tangent()const { return adj_outer_tangent.get_value(); }
 149         void set_outer_tangent(Real f) { adj_outer_tangent.set_value(f); }
 150
 151         Real get_inner_width()const { return adj_inner_width.get_value(); }
 152         void set_inner_width(Real f) { adj_inner_width.set_value(f); }
 153
 154         Real get_outer_width()const { return adj_outer_width.get_value(); }
 155         void set_outer_width(Real f) { adj_outer_width.set_value(f); }
 156
 157         Real get_radius_ratio()const { return adj_radius_ratio.get_value(); }
 158         void set_radius_ratio(Real f) { adj_radius_ratio.set_value(f); }
 159
 160         Real get_angle_offset()const { return adj_angle_offset.get_value(); }
 161         void set_angle_offset(Real f) { adj_angle_offset.set_value(f); }
 162
 163         bool get_invert()const { return checkbutton_invert.get_active(); }
 164         void set_invert(bool i) { checkbutton_invert.set_active(i); }
 165
 166         bool get_regular_polygon()const { return checkbutton_regular_polygon.get_active(); }
 167         void set_regular_polygon(bool i) { checkbutton_regular_polygon.set_active(i); }
 168
 169         bool get_layer_star_flag()const { return checkbutton_layer_star.get_active(); }
 170         void set_layer_star_flag(bool x) { return checkbutton_layer_star.set_active(x); }
 171
 172         bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
 173         void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
 174
 175         bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
 176         void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
 177
 178         bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
 179         void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
 180
 181         bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
 182         void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
 183
 184         bool get_layer_link_origins_flag()const { return checkbutton_layer_link_origins.get_active(); }
 185         void set_layer_link_origins_flag(bool x) { return checkbutton_layer_link_origins.set_active(x); }
 186
 187         void refresh_tool_options(); //to refresh the toolbox
 188
 189         //events
 190         Smach::event_result event_stop_handler(const Smach::event& x);
 191         Smach::event_result event_refresh_handler(const Smach::event& x);
 192         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 193         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 194
 195         //constructor destructor
 196         StateStar_Context(CanvasView* canvas_view);
 197         ~StateStar_Context();
 198
 199         //Canvas interaction
 200         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 201         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 202         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 203         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 204
 205         //Modifying settings etc.
 206         void load_settings();
 207         void save_settings();
 208         void reset();
 209         void increment_id();
 210         bool egress_on_selection_change;
 211         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 212         {
 213                 if(egress_on_selection_change)
 214                         throw Smach::egress_exception();
 215                 return Smach::RESULT_OK;
 216         }
 217
 218         void make_star(const Point& p1, const Point& p2);
 219
 220 };      // END of class StateStar_Context
 221
 222 /* === M E T H O D S ======================================================= */
 223
 224 StateStar::StateStar():
 225         Smach::state<StateStar_Context>("star")
 226 {
 227         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateStar_Context::event_layer_selection_changed_handler));
 228         insert(event_def(EVENT_STOP,&StateStar_Context::event_stop_handler));
 229         insert(event_def(EVENT_REFRESH,&StateStar_Context::event_refresh_handler));
 230         insert(event_def(EVENT_REFRESH_DUCKS,&StateStar_Context::event_refresh_handler));
 231         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateStar_Context::event_mouse_click_handler));
 232         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateStar_Context::event_mouse_click_handler));
 233         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateStar_Context::event_mouse_click_handler));
 234         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateStar_Context::event_refresh_tool_options));
 235 }
 236
 237 StateStar::~StateStar()
 238 {
 239 }
 240
 241 void
 242 StateStar_Context::load_settings()
 243 {
 244         String value;
 245
 246         //parse the arguments yargh!
 247         if(settings.get_value("star.id",value))
 248                 set_id(value);
 249         else
 250                 set_id("Star");
 251
 252         if(settings.get_value("star.feather",value))
 253                 set_feather(atof(value.c_str()));
 254         else
 255                 set_feather(0);
 256
 257         if(settings.get_value("star.number_of_points",value))
 258                 set_number_of_points(atof(value.c_str()));
 259         else
 260                 set_number_of_points(5);
 261
 262         if(settings.get_value("star.inner_tangent",value))
 263                 set_inner_tangent(atof(value.c_str()));
 264         else
 265                 set_inner_tangent(0);
 266
 267         if(settings.get_value("star.outer_tangent",value))
 268                 set_outer_tangent(atof(value.c_str()));
 269         else
 270                 set_outer_tangent(0);
 271
 272         if(settings.get_value("star.inner_width",value))
 273                 set_inner_width(atof(value.c_str()));
 274         else
 275                 set_inner_width(1);
 276
 277         if(settings.get_value("star.outer_width",value))
 278                 set_outer_width(atof(value.c_str()));
 279         else
 280                 set_outer_width(1);
 281
 282         if(settings.get_value("star.radius_ratio",value))
 283                 set_radius_ratio(atof(value.c_str()));
 284         else
 285                 set_radius_ratio(0.5);
 286
 287         if(settings.get_value("star.angle_offset",value))
 288                 set_angle_offset(atof(value.c_str()));
 289         else
 290                 set_angle_offset(0);
 291
 292         if(settings.get_value("star.invert",value) && value != "0")
 293                 set_invert(true);
 294         else
 295                 set_invert(false);
 296
 297         if(settings.get_value("star.regular_polygon",value) && value != "0")
 298                 set_regular_polygon(true);
 299         else
 300                 set_regular_polygon(false);
 301
 302         if(settings.get_value("star.layer_star",value) && value=="0")
 303                 set_layer_star_flag(false);
 304         else
 305                 set_layer_star_flag(true);
 306
 307         if(settings.get_value("star.layer_region",value) && value=="1")
 308                 set_layer_region_flag(true);
 309         else
 310                 set_layer_region_flag(false);
 311
 312         if(settings.get_value("star.layer_outline",value) && value=="1")
 313                 set_layer_outline_flag(true);
 314         else
 315                 set_layer_outline_flag(false);
 316
 317         if(settings.get_value("star.layer_curve_gradient",value) && value=="1")
 318                 set_layer_curve_gradient_flag(true);
 319         else
 320                 set_layer_curve_gradient_flag(false);
 321
 322         if(settings.get_value("star.layer_plant",value) && value=="1")
 323                 set_layer_plant_flag(true);
 324         else
 325                 set_layer_plant_flag(false);
 326
 327         if(settings.get_value("star.layer_link_origins",value) && value=="0")
 328                 set_layer_link_origins_flag(false);
 329         else
 330                 set_layer_link_origins_flag(true);
 331 }
 332
 333 void
 334 StateStar_Context::save_settings()
 335 {
 336         settings.set_value("star.id",get_id());
 337         settings.set_value("star.feather",strprintf("%f",(float)get_feather()));
 338         settings.set_value("star.number_of_points",strprintf("%d",(int)(get_number_of_points() + 0.5)));
 339         settings.set_value("star.inner_tangent",strprintf("%f",(float)get_inner_tangent()));
 340         settings.set_value("star.outer_tangent",strprintf("%f",(float)get_outer_tangent()));
 341         settings.set_value("star.inner_width",strprintf("%f",(float)get_inner_width()));
 342         settings.set_value("star.outer_width",strprintf("%f",(float)get_outer_width()));
 343         settings.set_value("star.radius_ratio",strprintf("%f",(float)get_radius_ratio()));
 344         settings.set_value("star.angle_offset",strprintf("%f",(float)get_angle_offset()));
 345         settings.set_value("star.invert",get_invert()?"1":"0");
 346         settings.set_value("star.regular_polygon",get_regular_polygon()?"1":"0");
 347         settings.set_value("star.layer_star",get_layer_star_flag()?"1":"0");
 348         settings.set_value("star.layer_outline",get_layer_outline_flag()?"1":"0");
 349         settings.set_value("star.layer_region",get_layer_region_flag()?"1":"0");
 350         settings.set_value("star.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 351         settings.set_value("star.layer_plant",get_layer_plant_flag()?"1":"0");
 352         settings.set_value("star.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
 353 }
 354
 355 void
 356 StateStar_Context::reset()
 357 {
 358         refresh_ducks();
 359 }
 360
 361 void
 362 StateStar_Context::increment_id()
 363 {
 364         String id(get_id());
 365         int number=1;
 366         int digits=0;
 367
 368         if(id.empty())
 369                 id="Star";
 370
 371         // If there is a number
 372         // already at the end of the
 373         // id, then remove it.
 374         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 375         {
 376                 // figure out how many digits it is
 377                 for (digits = 0;
 378                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 379                          digits++)
 380                         ;
 381
 382                 String str_number;
 383                 str_number=String(id,id.size()-digits,id.size());
 384                 id=String(id,0,id.size()-digits);
 385
 386                 number=atoi(str_number.c_str());
 387         }
 388         else
 389         {
 390                 number=1;
 391                 digits=3;
 392         }
 393
 394         number++;
 395
 396         // Add the number back onto the id
 397         {
 398                 const String format(strprintf("%%0%dd",digits));
 399                 id+=strprintf(format.c_str(),number);
 400         }
 401
 402         // Set the ID
 403         set_id(id);
 404 }
 405
 406 StateStar_Context::StateStar_Context(CanvasView* canvas_view):
 407         canvas_view_(canvas_view),
 408         is_working(*canvas_view),
 409         duckmatic_push(get_work_area()),
 410         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 411         settings(synfigapp::Main::get_selected_input_device()->settings()),
 412         entry_id(),             //   value lower upper  step page
 413         adj_feather(                    0,    0,    1, 0.01, 0.1),
 414         adj_number_of_points(   0,    2,  120, 1   , 1  ),
 415         adj_inner_tangent(              0,  -10,   10, 0.01, 0.1),
 416         adj_outer_tangent(              0,  -10,   10, 0.01, 0.1),
 417         adj_inner_width(                0,  -10,   10, 0.01, 0.1),
 418         adj_outer_width(                0,  -10,   10, 0.01, 0.1),
 419         adj_radius_ratio(               0,  -10,   10, 0.01, 0.1),
 420         adj_angle_offset(               0, -360,  360, 0.1 , 1  ),
 421         spin_feather(adj_feather,0.1,3),
 422         spin_number_of_points(adj_number_of_points,1,0),
 423         spin_inner_tangent(adj_inner_tangent,1,2),
 424         spin_outer_tangent(adj_outer_tangent,1,2),
 425         spin_inner_width(adj_inner_width,1,2),
 426         spin_outer_width(adj_outer_width,1,2),
 427         spin_radius_ratio(adj_radius_ratio,1,2),
 428         spin_angle_offset(adj_angle_offset,1,1),
 429         checkbutton_invert(_("Invert")),
 430         checkbutton_regular_polygon(_("Regular Polygon")),
 431         checkbutton_layer_star(_("Create Star Layer")),
 432         checkbutton_layer_region(_("Create Region BLine")),
 433         checkbutton_layer_outline(_("Create Outline BLine")),
 434         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 435         checkbutton_layer_plant(_("Create Plant BLine")),
 436         checkbutton_layer_link_origins(_("Link BLine Origins"))
 437 {
 438         egress_on_selection_change=true;
 439
 440         load_settings();
 441
 442         // Set up the tool options dialog
 443         options_table.attach(*manage(new Gtk::Label(_("Star Tool"))),                   0, 2,  0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 444         options_table.attach(entry_id,                                                                                  0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 445         options_table.attach(*manage(new Gtk::Label(_("Feather:"))),                    0, 1,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 446         options_table.attach(spin_feather,                                                                              1, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 447         options_table.attach(checkbutton_invert,                                                                0, 2,  5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 448         options_table.attach(checkbutton_regular_polygon,                                               0, 2,  6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 449         options_table.attach(checkbutton_layer_star,                                                    0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 450         options_table.attach(checkbutton_layer_outline,                                                 0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 451         options_table.attach(checkbutton_layer_region,                                                  0, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 452         options_table.attach(checkbutton_layer_plant,                                                   0, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 453         options_table.attach(checkbutton_layer_curve_gradient,                                  0, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 454         options_table.attach(checkbutton_layer_link_origins,                                    0, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 455         options_table.attach(*manage(new Gtk::Label(_("Number of Points:"))),   0, 1, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 456         options_table.attach(spin_number_of_points,                                                             1, 2, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 457         options_table.attach(*manage(new Gtk::Label(_("Inner Tangent:"))),              0, 1, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 458         options_table.attach(spin_inner_tangent,                                                                1, 2, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 459         options_table.attach(*manage(new Gtk::Label(_("Outer Tangent:"))),              0, 1, 15, 16, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 460         options_table.attach(spin_outer_tangent,                                                                1, 2, 15, 16, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 461         options_table.attach(*manage(new Gtk::Label(_("Inner Width:"))),                0, 1, 16, 17, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 462         options_table.attach(spin_inner_width,                                                                  1, 2, 16, 17, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 463         options_table.attach(*manage(new Gtk::Label(_("Outer Width:"))),                0, 1, 17, 18, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 464         options_table.attach(spin_outer_width,                                                                  1, 2, 17, 18, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 465         options_table.attach(*manage(new Gtk::Label(_("Radius Ratio:"))),               0, 1, 18, 19, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 466         options_table.attach(spin_radius_ratio,                                                                 1, 2, 18, 19, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 467         options_table.attach(*manage(new Gtk::Label(_("Angle Offset:"))),               0, 1, 19, 20, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 468         options_table.attach(spin_angle_offset,                                                                 1, 2, 19, 20, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 469
 470         options_table.show_all();
 471
 472         refresh_tool_options();
 473         App::dialog_tool_options->present();
 474
 475         // Turn off layer clicking
 476         get_work_area()->set_allow_layer_clicks(false);
 477
 478         // clear out the ducks
 479         get_work_area()->clear_ducks();
 480
 481         // Refresh the work area
 482         get_work_area()->queue_draw();
 483
 484         // Hide the tables if they are showing
 485         //prev_table_status=get_canvas_view()->tables_are_visible();
 486         //if(prev_table_status)get_canvas_view()->hide_tables();
 487
 488         // Disable the time bar
 489         //get_canvas_view()->set_sensitive_timebar(false);
 490
 491         // Connect a signal
 492         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateStar_Context::on_user_click));
 493         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 494
 495         App::toolbox->refresh();
 496 }
 497
 498 void
 499 StateStar_Context::refresh_tool_options()
 500 {
 501         App::dialog_tool_options->clear();
 502         App::dialog_tool_options->set_widget(options_table);
 503         App::dialog_tool_options->set_local_name(_("Star Tool"));
 504         App::dialog_tool_options->set_name("star");
 505 }
 506
 507 Smach::event_result
 508 StateStar_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 509 {
 510         refresh_tool_options();
 511         return Smach::RESULT_ACCEPT;
 512 }
 513
 514 StateStar_Context::~StateStar_Context()
 515 {
 516         save_settings();
 517
 518         // Restore layer clicking
 519         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 520         get_canvas_view()->work_area->reset_cursor();
 521
 522         App::dialog_tool_options->clear();
 523
 524         // Enable the time bar
 525         //get_canvas_view()->set_sensitive_timebar(true);
 526
 527         // Bring back the tables if they were out before
 528         //if(prev_table_status)get_canvas_view()->show_tables();
 529
 530         // Refresh the work area
 531         get_work_area()->queue_draw();
 532
 533         get_canvas_view()->queue_rebuild_ducks();
 534
 535         App::toolbox->refresh();
 536 }
 537
 538 Smach::event_result
 539 StateStar_Context::event_stop_handler(const Smach::event& /*x*/)
 540 {
 541         throw Smach::egress_exception();
 542 }
 543
 544 Smach::event_result
 545 StateStar_Context::event_refresh_handler(const Smach::event& /*x*/)
 546 {
 547         refresh_ducks();
 548         return Smach::RESULT_ACCEPT;
 549 }
 550
 551 void
 552 StateStar_Context::make_star(const Point& _p1, const Point& _p2)
 553 {
 554         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Star"));
 555         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 556
 557         Layer::Handle layer;
 558
 559         Canvas::Handle canvas;
 560         int depth(0);
 561
 562         // we are temporarily using the layer to hold something
 563         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 564         if(layer)
 565         {
 566                 depth=layer->get_depth();
 567                 canvas=layer->get_canvas();
 568         }
 569
 570         synfigapp::SelectionManager::LayerList layer_selection;
 571         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 572                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 573
 574         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 575         const Point p1(transform.unperform(_p1));
 576         const Point p2(transform.unperform(_p2));
 577
 578         Real radius_ratio(get_radius_ratio());
 579         Real radius1((p2-p1).mag());
 580         Real radius2(radius1 * radius_ratio);
 581         int points = get_number_of_points();
 582         Real inner_tangent = get_inner_tangent() * radius1;
 583         Real outer_tangent = get_outer_tangent() * radius2;
 584         Real inner_width = get_inner_width();
 585         Real outer_width = get_outer_width();
 586         Angle::deg offset(get_angle_offset());
 587         bool regular(get_regular_polygon());
 588         Angle::deg angle(360.0/points);
 589         Real x(p1[0]), y(p1[1]);
 590
 591         std::vector<BLinePoint> new_list;
 592         int point(0);
 593         for (int i = 0; i < points; i++)
 594         {
 595                 new_list.push_back(*(new BLinePoint));
 596                 new_list[point].set_width(outer_width);
 597                 new_list[point].set_vertex(Point(radius1*Angle::cos(angle*i + offset).get() + x,
 598                                                                          radius1*Angle::sin(angle*i + offset).get() + y));
 599                 new_list[point++].set_tangent(Point(-Angle::sin(angle*i + offset).get(),
 600                                                                                          Angle::cos(angle*i + offset).get()) * outer_tangent);
 601
 602                 if (!regular)
 603                 {
 604                         new_list.push_back(*(new BLinePoint));
 605                         new_list[point].set_width(inner_width);
 606                         new_list[point].set_vertex(Point(radius2*Angle::cos(angle*i + angle/2 + offset).get() + x,
 607                                                                                          radius2*Angle::sin(angle*i + angle/2 + offset).get() + y));
 608                         new_list[point++].set_tangent(Point(-Angle::sin(angle*i + angle/2 + offset).get(),
 609                                                                                                  Angle::cos(angle*i + angle/2 + offset).get()) * inner_tangent);
 610                 }
 611         }
 612
 613         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 614         assert(value_node_bline);
 615
 616         ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(Vector()));
 617         assert(value_node_origin);
 618
 619         // Set the looping flag
 620         value_node_bline->set_loop(true);
 621
 622         if(!canvas)
 623                 canvas=get_canvas_view()->get_canvas();
 624
 625         value_node_bline->set_member_canvas(canvas);
 626
 627         // count how many layers we're going to be creating
 628         int layers_to_create = this->layers_to_create();
 629
 630         ///////////////////////////////////////////////////////////////////////////
 631         //   S T A R
 632         ///////////////////////////////////////////////////////////////////////////
 633
 634         if (get_layer_star_flag())
 635         {
 636                 layer=get_canvas_interface()->add_layer_to("star",canvas,depth);
 637                 layer_selection.push_back(layer);
 638
 639                 layer->set_param("origin",p1);
 640                 get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 641
 642                 layer->set_param("radius1",(p2-p1).mag());
 643                 get_canvas_interface()->signal_layer_param_changed()(layer,"radius1");
 644
 645                 layer->set_param("radius2",(p2-p1).mag()/2);
 646                 get_canvas_interface()->signal_layer_param_changed()(layer,"radius2");
 647
 648                 layer->set_param("angle",offset);
 649                 get_canvas_interface()->signal_layer_param_changed()(layer,"angle");
 650
 651                 layer->set_param("points",points);
 652                 get_canvas_interface()->signal_layer_param_changed()(layer,"points");
 653
 654                 layer->set_param("regular_polygon",regular);
 655                 get_canvas_interface()->signal_layer_param_changed()(layer,"regular_polygon");
 656
 657                 layer->set_param("feather",get_feather());
 658                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 659
 660                 layer->set_param("invert",get_invert());
 661                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 662
 663                 layer->set_description(get_id());
 664                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 665
 666                 if(get_layer_outline_flag())
 667                 {
 668                         layer->set_param("color",synfigapp::Main::get_background_color());
 669                         get_canvas_interface()->signal_layer_param_changed()(layer,"color");
 670                 }
 671         }
 672
 673         ///////////////////////////////////////////////////////////////////////////
 674         //   C U R V E   G R A D I E N T
 675         ///////////////////////////////////////////////////////////////////////////
 676
 677         if(get_layer_curve_gradient_flag())
 678         {
 679                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 680
 681                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 682                 assert(layer);
 683                 layer_selection.push_back(layer);
 684                 layer->set_description(get_id()+_(" Gradient"));
 685                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 686
 687                 {
 688                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 689                         assert(action);
 690
 691                         action->set_param("canvas",get_canvas());
 692                         action->set_param("canvas_interface",get_canvas_interface());
 693                         action->set_param("layer",layer);
 694                         if(!action->set_param("param",String("bline")))
 695                                 synfig::error("LayerParamConnect didn't like \"param\"");
 696                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 697                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 698
 699                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 700                         {
 701                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 702                                 group.cancel();
 703                                 throw String(_("Unable to create Gradient layer"));
 704                                 return;
 705                         }
 706                 }
 707
 708                 // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
 709                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 710                 {
 711                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 712                         assert(action);
 713
 714                         action->set_param("canvas",get_canvas());
 715                         action->set_param("canvas_interface",get_canvas_interface());
 716                         action->set_param("layer",layer);
 717                         if(!action->set_param("param",String("origin")))
 718                                 synfig::error("LayerParamConnect didn't like \"param\"");
 719                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 720                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 721
 722                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 723                         {
 724                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 725                                 group.cancel();
 726                                 throw String(_("Unable to create Gradient layer"));
 727                                 return;
 728                         }
 729                 }
 730         }
 731
 732         ///////////////////////////////////////////////////////////////////////////
 733         //   P L A N T
 734         ///////////////////////////////////////////////////////////////////////////
 735
 736         if(get_layer_plant_flag())
 737         {
 738                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 739
 740                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 741                 assert(layer);
 742                 layer_selection.push_back(layer);
 743                 layer->set_description(get_id()+_(" Plant"));
 744                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 745
 746                 {
 747                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 748                         assert(action);
 749
 750                         action->set_param("canvas",get_canvas());
 751                         action->set_param("canvas_interface",get_canvas_interface());
 752                         action->set_param("layer",layer);
 753                         if(!action->set_param("param",String("bline")))
 754                                 synfig::error("LayerParamConnect didn't like \"param\"");
 755                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 756                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 757
 758                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 759                         {
 760                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 761                                 group.cancel();
 762                                 throw String(_("Unable to create Plant layer"));
 763                                 return;
 764                         }
 765                 }
 766
 767                 // only link the plant's origin parameter if the option is selected and we're creating more than one layer
 768                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 769                 {
 770                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 771                         assert(action);
 772
 773                         action->set_param("canvas",get_canvas());
 774                         action->set_param("canvas_interface",get_canvas_interface());
 775                         action->set_param("layer",layer);
 776                         if(!action->set_param("param",String("origin")))
 777                                 synfig::error("LayerParamConnect didn't like \"param\"");
 778                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 779                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 780
 781                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 782                         {
 783                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 784                                 group.cancel();
 785                                 throw String(_("Unable to create Plant layer"));
 786                                 return;
 787                         }
 788                 }
 789         }
 790
 791         ///////////////////////////////////////////////////////////////////////////
 792         //   R E G I O N
 793         ///////////////////////////////////////////////////////////////////////////
 794
 795         if(get_layer_region_flag())
 796         {
 797                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 798
 799                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 800                 assert(layer);
 801                 layer_selection.push_back(layer);
 802                 layer->set_description(get_id()+_(" Region"));
 803                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 804
 805                 layer->set_param("feather",get_feather());
 806                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 807
 808                 layer->set_param("invert",get_invert());
 809                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 810
 811                 if(get_layer_outline_flag())
 812                         layer->set_param("color",synfigapp::Main::get_background_color());
 813
 814                 // I don't know if it's safe to reuse the same layer_param_connect action, so I'm
 815                 // using 2 separate ones.
 816                 {
 817                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 818                         assert(action);
 819
 820                         action->set_param("canvas",get_canvas());
 821                         action->set_param("canvas_interface",get_canvas_interface());
 822                         action->set_param("layer",layer);
 823                         if(!action->set_param("param",String("bline")))
 824                                 synfig::error("LayerParamConnect didn't like \"param\"");
 825                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 826                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 827
 828                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 829                         {
 830                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 831                                 group.cancel();
 832                                 throw String(_("Unable to create Region layer"));
 833                                 return;
 834                         }
 835                 }
 836
 837                 // only link the region's origin parameter if the option is selected and we're creating more than one layer
 838                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 839                 {
 840                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 841                         assert(action);
 842
 843                         action->set_param("canvas",get_canvas());
 844                         action->set_param("canvas_interface",get_canvas_interface());
 845                         action->set_param("layer",layer);
 846                         if(!action->set_param("param",String("origin")))
 847                                 synfig::error("LayerParamConnect didn't like \"param\"");
 848                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 849                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 850
 851                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 852                         {
 853                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 854                                 group.cancel();
 855                                 throw String(_("Unable to create Region layer"));
 856                                 return;
 857                         }
 858                 }
 859         }
 860
 861         ///////////////////////////////////////////////////////////////////////////
 862         //   O U T L I N E
 863         ///////////////////////////////////////////////////////////////////////////
 864
 865         if (get_layer_outline_flag())
 866         {
 867                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 868                 assert(layer);
 869                 layer_selection.push_back(layer);
 870                 layer->set_description(get_id()+_(" Outline"));
 871                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 872
 873                 layer->set_param("feather",get_feather());
 874                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 875
 876                 layer->set_param("invert",get_invert());
 877                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 878
 879                 {
 880                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 881                         assert(action);
 882
 883                         action->set_param("canvas",get_canvas());
 884                         action->set_param("canvas_interface",get_canvas_interface());
 885                         action->set_param("layer",layer);
 886                         if(!action->set_param("param",String("bline")))
 887                                 synfig::error("LayerParamConnect didn't like \"param\"");
 888                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 889                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 890
 891                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 892                         {
 893                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 894                                 group.cancel();
 895                                 throw String(_("Unable to create Outline layer"));
 896                                 return;
 897                         }
 898                 }
 899
 900                 // only link the outline's origin parameter if the option is selected and we're creating more than one layer
 901                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 902                 {
 903                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 904                         assert(action);
 905
 906                         action->set_param("canvas",get_canvas());
 907                         action->set_param("canvas_interface",get_canvas_interface());
 908                         action->set_param("layer",layer);
 909                         if(!action->set_param("param",String("origin")))
 910                                 synfig::error("LayerParamConnect didn't like \"param\"");
 911                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 912                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 913
 914                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 915                         {
 916                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 917                                 group.cancel();
 918                                 throw String(_("Unable to create Outline layer"));
 919                                 return;
 920                         }
 921                 }
 922         }
 923
 924         egress_on_selection_change=false;
 925         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 926         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 927         egress_on_selection_change=true;
 928
 929         reset();
 930         increment_id();
 931 }
 932
 933 Smach::event_result
 934 StateStar_Context::event_mouse_click_handler(const Smach::event& x)
 935 {
 936         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 937
 938         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
 939         {
 940                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
 941                 etl::handle<Duck> duck=new Duck();
 942                 duck->set_point(point_holder);
 943                 duck->set_name("p1");
 944                 duck->set_type(Duck::TYPE_POSITION);
 945                 duck->set_editable(false);
 946                 get_work_area()->add_duck(duck);
 947
 948                 point2_duck=new Duck();
 949                 point2_duck->set_point(Vector(0,0));
 950                 point2_duck->set_name("radius");
 951                 point2_duck->set_origin(duck);
 952                 point2_duck->set_radius(true);
 953                 point2_duck->set_scalar(-1);
 954                 point2_duck->set_type(Duck::TYPE_RADIUS);
 955                 point2_duck->set_hover(true);
 956                 get_work_area()->add_duck(point2_duck);
 957
 958                 return Smach::RESULT_ACCEPT;
 959         }
 960
 961         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
 962         {
 963                 if (!point2_duck) return Smach::RESULT_OK;
 964                 point2_duck->set_point(point_holder-get_work_area()->snap_point_to_grid(event.pos));
 965                 get_work_area()->queue_draw();
 966                 return Smach::RESULT_ACCEPT;
 967         }
 968
 969         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
 970         {
 971                 Point point(get_work_area()->snap_point_to_grid(event.pos));
 972
 973                 if (App::restrict_radius_ducks)
 974                 {
 975                         if ((point[0] - point_holder[0]) < 0) point[0] = point_holder[0];
 976                         if ((point[1] - point_holder[1]) < 0) point[1] = point_holder[1];
 977                 }
 978
 979                 make_star(point_holder, point);
 980                 get_work_area()->clear_ducks();
 981                 return Smach::RESULT_ACCEPT;
 982         }
 983
 984         return Smach::RESULT_OK;
 985 }
 986
 987
 988 void
 989 StateStar_Context::refresh_ducks()
 990 {
 991         get_work_area()->clear_ducks();
 992         get_work_area()->queue_draw();
 993 }