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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_polygon.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) 2007, 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
  39 #include "state_polygon.h"
  40 #include "canvasview.h"
  41 #include "workarea.h"
  42 #include "app.h"
  43
  44 #include <synfigapp/action.h>
  45 #include "event_mouse.h"
  46 #include "event_layerclick.h"
  47 #include "toolbox.h"
  48 #include "dialog_tooloptions.h"
  49 #include <synfigapp/main.h>
  50
  51 #include "general.h"
  52
  53 #endif
  54
  55 /* === U S I N G =========================================================== */
  56
  57 using namespace std;
  58 using namespace etl;
  59 using namespace synfig;
  60 using namespace studio;
  61
  62 /* === M A C R O S ========================================================= */
  63
  64 /* === G L O B A L S ======================================================= */
  65
  66 StatePolygon studio::state_polygon;
  67
  68 /* === C L A S S E S & S T R U C T S ======================================= */
  69
  70 class studio::StatePolygon_Context : public sigc::trackable
  71 {
  72         etl::handle<CanvasView> canvas_view_;
  73         CanvasView::IsWorking is_working;
  74
  75         bool prev_table_status;
  76         bool prev_workarea_layer_status_;
  77
  78         Gtk::Menu menu;
  79
  80         Duckmatic::Push duckmatic_push;
  81
  82         std::list<synfig::Point> polygon_point_list;
  83         synfigapp::Settings& settings;
  84
  85
  86         bool on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter);
  87
  88
  89         void popup_handle_menu(synfigapp::ValueDesc value_desc);
  90
  91
  92         void refresh_ducks();
  93
  94         Gtk::Table options_table;
  95         Gtk::CheckButton checkbutton_invert;
  96         Gtk::Entry entry_id;
  97         Gtk::Button button_make;
  98         Gtk::Adjustment  adj_feather;
  99         Gtk::SpinButton  spin_feather;
 100
 101 public:
 102         synfig::String get_id()const { return entry_id.get_text(); }
 103         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 104
 105         bool get_invert()const { return checkbutton_invert.get_active(); }
 106         void set_invert(bool i) { checkbutton_invert.set_active(i); }
 107
 108         Real get_feather() const { return adj_feather.get_value(); }
 109         void set_feather(Real x) { return adj_feather.set_value(x); }
 110
 111         Smach::event_result event_stop_handler(const Smach::event& x);
 112
 113         Smach::event_result event_refresh_handler(const Smach::event& x);
 114
 115         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 116         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 117         void refresh_tool_options();
 118
 119         StatePolygon_Context(CanvasView* canvas_view);
 120
 121         ~StatePolygon_Context();
 122
 123         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 124         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 125         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 126         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 127
 128         //void on_user_click(synfig::Point point);
 129         void load_settings();
 130         void save_settings();
 131         void reset();
 132         void increment_id();
 133         bool egress_on_selection_change;
 134         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 135         {
 136                 if(egress_on_selection_change)
 137                         throw Smach::egress_exception();
 138                 return Smach::RESULT_OK;
 139         }
 140
 141         void run();
 142 };      // END of class StatePolygon_Context
 143
 144 /* === M E T H O D S ======================================================= */
 145
 146 StatePolygon::StatePolygon():
 147         Smach::state<StatePolygon_Context>("polygon")
 148 {
 149         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StatePolygon_Context::event_layer_selection_changed_handler));
 150         insert(event_def(EVENT_STOP,&StatePolygon_Context::event_stop_handler));
 151         insert(event_def(EVENT_REFRESH,&StatePolygon_Context::event_refresh_handler));
 152         insert(event_def(EVENT_REFRESH_DUCKS,&StatePolygon_Context::event_refresh_handler));
 153         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StatePolygon_Context::event_mouse_click_handler));
 154         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StatePolygon_Context::event_refresh_tool_options));
 155 }
 156
 157 StatePolygon::~StatePolygon()
 158 {
 159 }
 160
 161 void
 162 StatePolygon_Context::load_settings()
 163 {
 164         String value;
 165
 166         if(settings.get_value("polygon.id",value))
 167                 set_id(value);
 168         else
 169                 set_id("Polygon");
 170
 171         if(settings.get_value("polygon.invert",value) && value != "0")
 172                 set_invert(true);
 173         else
 174                 set_invert(false);
 175
 176         if(settings.get_value("polygon.feather",value))
 177         {
 178                 Real n = atof(value.c_str());
 179                 set_feather(n);
 180         }
 181 }
 182
 183 void
 184 StatePolygon_Context::save_settings()
 185 {
 186         settings.set_value("polygon.id",get_id().c_str());
 187         settings.set_value("polygon.invert",get_invert()?"1":"0");
 188         settings.set_value("polygon.feather",strprintf("%f",get_feather()));
 189 }
 190
 191 void
 192 StatePolygon_Context::reset()
 193 {
 194         polygon_point_list.clear();
 195         refresh_ducks();
 196 }
 197
 198 void
 199 StatePolygon_Context::increment_id()
 200 {
 201         String id(get_id());
 202         int number=1;
 203         int digits=0;
 204
 205         if(id.empty())
 206                 id="Polygon";
 207
 208         // If there is a number
 209         // already at the end of the
 210         // id, then remove it.
 211         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 212         {
 213                 // figure out how many digits it is
 214                 for (digits = 0;
 215                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 216                          digits++)
 217                         ;
 218
 219                 String str_number;
 220                 str_number=String(id,id.size()-digits,id.size());
 221                 id=String(id,0,id.size()-digits);
 222
 223                 number=atoi(str_number.c_str());
 224         }
 225         else
 226         {
 227                 number=1;
 228                 digits=3;
 229         }
 230
 231         number++;
 232
 233         // Add the number back onto the id
 234         {
 235                 const String format(strprintf("%%0%dd",digits));
 236                 id+=strprintf(format.c_str(),number);
 237         }
 238
 239         // Set the ID
 240         set_id(id);
 241 }
 242
 243 StatePolygon_Context::StatePolygon_Context(CanvasView* canvas_view):
 244         canvas_view_(canvas_view),
 245         is_working(*canvas_view),
 246         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 247         duckmatic_push(get_work_area()),
 248         settings(synfigapp::Main::get_selected_input_device()->settings()),
 249         entry_id(),
 250         checkbutton_invert(_("Invert")),
 251         button_make(_("Make")),
 252         adj_feather(0,0,10000,0.01,0.1),
 253         spin_feather(adj_feather,0.01,4)
 254 {
 255         egress_on_selection_change=true;
 256         load_settings();
 257
 258         // Set up the tool options dialog
 259         options_table.attach(*manage(new Gtk::Label(_("Polygon Tool"))),        0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 260         options_table.attach(entry_id,                                                                          0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 261
 262         //invert flag
 263         options_table.attach(checkbutton_invert,                                                        0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 264
 265         //feather stuff
 266         options_table.attach(*manage(new Gtk::Label(_("Feather"))),             0, 1, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 267         options_table.attach(spin_feather,                                                                      1, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 268
 269         //options_table.attach(button_make, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 270         button_make.signal_pressed().connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
 271         options_table.show_all();
 272         refresh_tool_options();
 273         App::dialog_tool_options->present();
 274
 275
 276         // Turn off layer clicking
 277         get_work_area()->set_allow_layer_clicks(false);
 278
 279         // clear out the ducks
 280         get_work_area()->clear_ducks();
 281
 282         // Refresh the work area
 283         get_work_area()->queue_draw();
 284
 285         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 286
 287         // Hide the tables if they are showing
 288         prev_table_status=get_canvas_view()->tables_are_visible();
 289         if(prev_table_status)get_canvas_view()->hide_tables();
 290
 291         // Disable the time bar
 292         get_canvas_view()->set_sensitive_timebar(false);
 293
 294         // Connect a signal
 295         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_user_click));
 296
 297         App::toolbox->refresh();
 298 }
 299
 300 void
 301 StatePolygon_Context::refresh_tool_options()
 302 {
 303         App::dialog_tool_options->clear();
 304         App::dialog_tool_options->set_widget(options_table);
 305
 306         App::dialog_tool_options->set_local_name(_("Polygon Tool"));
 307         App::dialog_tool_options->set_name("polygon");
 308
 309         App::dialog_tool_options->add_button(
 310                 Gtk::StockID("gtk-execute"),
 311                 _("Make Polygon")
 312         )->signal_clicked().connect(
 313                 sigc::mem_fun(
 314                         *this,
 315                         &StatePolygon_Context::run
 316                 )
 317         );
 318
 319         App::dialog_tool_options->add_button(
 320                 Gtk::StockID("gtk-clear"),
 321                 _("Clear current Polygon")
 322         )->signal_clicked().connect(
 323                 sigc::mem_fun(
 324                         *this,
 325                         &StatePolygon_Context::reset
 326                 )
 327         );
 328 }
 329
 330 Smach::event_result
 331 StatePolygon_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 332 {
 333         refresh_tool_options();
 334         return Smach::RESULT_ACCEPT;
 335 }
 336
 337 StatePolygon_Context::~StatePolygon_Context()
 338 {
 339         run();
 340
 341         save_settings();
 342         // Restore layer clicking
 343         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 344
 345         App::dialog_tool_options->clear();
 346
 347         get_canvas_view()->work_area->reset_cursor();
 348
 349         // Enable the time bar
 350         get_canvas_view()->set_sensitive_timebar(true);
 351
 352         // Bring back the tables if they were out before
 353         if(prev_table_status)get_canvas_view()->show_tables();
 354
 355         // Refresh the work area
 356         get_work_area()->queue_draw();
 357
 358         App::toolbox->refresh();
 359 }
 360
 361 Smach::event_result
 362 StatePolygon_Context::event_stop_handler(const Smach::event& /*x*/)
 363 {
 364         synfig::info("STATE RotoPolygon: Received Stop Event");
 365         //throw Smach::egress_exception();
 366         reset();
 367         return Smach::RESULT_ACCEPT;
 368
 369 }
 370
 371 Smach::event_result
 372 StatePolygon_Context::event_refresh_handler(const Smach::event& /*x*/)
 373 {
 374         synfig::info("STATE RotoPolygon: Received Refresh Event");
 375         refresh_ducks();
 376         return Smach::RESULT_ACCEPT;
 377 }
 378
 379 void
 380 StatePolygon_Context::run()
 381 {
 382         if(polygon_point_list.empty())
 383                 return;
 384
 385         if(polygon_point_list.size()<3)
 386         {
 387                 get_canvas_view()->get_ui_interface()->error("You need at least 3 points to create a polygon");
 388                 return;
 389         }
 390                 Layer::Handle layer;
 391                 Canvas::Handle canvas(get_canvas_view()->get_canvas());
 392                 int depth(0);
 393
 394                 // we are temporarily using the layer to hold something
 395                 layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 396                 if(layer)
 397                 {
 398                         depth=layer->get_depth();
 399                         canvas=layer->get_canvas();
 400                 }
 401
 402                 {
 403                         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Polygon"));
 404                         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 405
 406                         Layer::Handle layer(get_canvas_interface()->add_layer_to("polygon",canvas,depth));
 407
 408                         layer->set_param("invert",get_invert());
 409                         get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 410
 411                         if(get_feather())
 412                         {
 413                                 layer->set_param("feather",get_feather());
 414                                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 415                         }
 416
 417                         layer->set_description(get_id());
 418                         get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 419
 420                         layer->disconnect_dynamic_param("vector_list");
 421                         if(!layer->set_param("vector_list",polygon_point_list))
 422                         {
 423                                 group.cancel();
 424                                 get_canvas_view()->get_ui_interface()->error("Unable to set layer parameter");
 425                                 return;
 426                         }
 427
 428                         {
 429                                 synfigapp::Action::Handle action(synfigapp::Action::create("value_desc_convert"));
 430                                 synfigapp::ValueDesc value_desc(layer,"vector_list");
 431                                 action->set_param("canvas",get_canvas());
 432                                 action->set_param("canvas_interface",get_canvas_interface());
 433                                 action->set_param("value_desc",value_desc);
 434                                 action->set_param("type","dynamic_list");
 435                                 action->set_param("time",get_canvas_interface()->get_time());
 436                                 if(!get_canvas_interface()->get_instance()->perform_action(action))
 437                                 {
 438                                         group.cancel();
 439                                         get_canvas_view()->get_ui_interface()->error("Unable to execute action \"value_desc_convert\"");
 440                                         return;
 441                                 }
 442                         }
 443                         egress_on_selection_change=false;
 444                         synfigapp::SelectionManager::LayerList layer_selection;
 445                         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 446                                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 447                         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 448                         layer_selection.push_back(layer);
 449                         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 450                         egress_on_selection_change=true;
 451                         //get_canvas_interface()->signal_dirty_preview()();
 452                 }
 453 /*
 454                 else
 455                 {
 456                         ValueNode::Handle value_node=(ValueNode_Const::create(polygon_point_list));
 457                         std::string valuenode_name="Poly";
 458                         while(studio::App::dialog_entry("New Polygon", "Please enter the new ID for this value_node",valuenode_name))
 459                                 if(get_canvas_interface()->add_value_node(value_node,valuenode_name))
 460                                         return true;
 461                 }
 462 */
 463         reset();
 464         increment_id();
 465 }
 466
 467 Smach::event_result
 468 StatePolygon_Context::event_mouse_click_handler(const Smach::event& x)
 469 {
 470         synfig::info("STATE ROTOPOLYGON: Received mouse button down Event");
 471         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 472         switch(event.button)
 473         {
 474         case BUTTON_LEFT:
 475                 polygon_point_list.push_back(get_work_area()->snap_point_to_grid(event.pos));
 476                 refresh_ducks();
 477                 return Smach::RESULT_ACCEPT;
 478
 479         case BUTTON_RIGHT: // Intercept the right-button click to short-circuit the pop-up menu
 480                 if (!getenv("SYNFIG_ENABLE_POPUP_MENU_IN_ALL_TOOLS"))
 481                         return Smach::RESULT_ACCEPT;
 482
 483         default:
 484                 return Smach::RESULT_OK;
 485         }
 486 }
 487
 488
 489 void
 490 StatePolygon_Context::refresh_ducks()
 491 {
 492         get_work_area()->clear_ducks();
 493
 494         if(polygon_point_list.empty()) return;
 495
 496         std::list<synfig::Point>::iterator iter=polygon_point_list.begin();
 497
 498         etl::handle<WorkArea::Duck> duck;
 499         duck=new WorkArea::Duck(*iter);
 500         duck->set_editable(true);
 501         duck->signal_edited().connect(
 502                 sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
 503         );
 504         duck->signal_user_click(0).connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
 505
 506         get_work_area()->add_duck(duck);
 507
 508         for(++iter;iter!=polygon_point_list.end();++iter)
 509         {
 510                 etl::handle<WorkArea::Bezier> bezier(new WorkArea::Bezier());
 511                 bezier->p1=bezier->c1=duck;
 512
 513                 duck=new WorkArea::Duck(*iter);
 514                 duck->set_editable(true);
 515                 duck->set_name(strprintf("%x",&*iter));
 516                 duck->signal_edited().connect(
 517                         sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
 518                 );
 519
 520                 get_work_area()->add_duck(duck);
 521
 522                 bezier->p2=bezier->c2=duck;
 523                 get_work_area()->add_bezier(bezier);
 524         }
 525         get_work_area()->queue_draw();
 526 }
 527
 528
 529 bool
 530 StatePolygon_Context::on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter)
 531 {
 532         *iter=point;
 533         return true;
 534 }