synfig-studio/src/gui/states/state_normal.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_normal.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 **      Copyright (c) 2009 Nikita Kitaev
  11 **
  12 **      This package is free software; you can redistribute it and/or
  13 **      modify it under the terms of the GNU General Public License as
  14 **      published by the Free Software Foundation; either version 2 of
  15 **      the License, or (at your option) any later version.
  16 **
  17 **      This package is distributed in the hope that it will be useful,
  18 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  20 **      General Public License for more details.
  21 **      \endlegal
  22 */
  23 /* ========================================================================= */
  24
  25 /* === H E A D E R S ======================================================= */
  26
  27 #ifdef USING_PCH
  28 #       include "pch.h"
  29 #else
  30 #ifdef HAVE_CONFIG_H
  31 #       include <config.h>
  32 #endif
  33
  34 #include <gtkmm/dialog.h>
  35 #include <gtkmm/entry.h>
  36
  37 #include <synfig/valuenode_animated.h>
  38 #include <synfig/valuenode_blinecalcvertex.h>
  39 #include <synfig/valuenode_composite.h>
  40 #include <synfig/valuenode_const.h>
  41 #include <synfig/valuenode_dynamiclist.h>
  42 #include <synfigapp/action_system.h>
  43
  44 #include "state_normal.h"
  45 #include "canvasview.h"
  46 #include "workarea.h"
  47 #include "app.h"
  48
  49 #include <synfigapp/action.h>
  50 #include "event_mouse.h"
  51 #include "event_layerclick.h"
  52 #include "toolbox.h"
  53 #include "docks/dialog_tooloptions.h"
  54 #include <gtkmm/optionmenu.h>
  55 #include "duck.h"
  56 #include <synfig/angle.h>
  57 #include <synfigapp/main.h>
  58
  59 #include "general.h"
  60 #endif
  61
  62 /* === U S I N G =========================================================== */
  63
  64 using namespace std;
  65 using namespace etl;
  66 using namespace synfig;
  67 using namespace studio;
  68
  69 /* === M A C R O S ========================================================= */
  70
  71 #ifndef EPSILON
  72 #define EPSILON 0.0000001
  73 #endif
  74
  75 /* === G L O B A L S ======================================================= */
  76
  77 StateNormal studio::state_normal;
  78
  79 /* === C L A S S E S & S T R U C T S ======================================= */
  80
  81 class DuckDrag_Combo : public DuckDrag_Base
  82 {
  83         synfig::Vector last_move;
  84         synfig::Vector drag_offset;
  85         synfig::Vector center;
  86         synfig::Vector snap;
  87
  88         synfig::Angle original_angle;
  89         synfig::Real original_mag;
  90
  91         std::vector<synfig::Vector> last_;
  92         std::vector<synfig::Vector> positions;
  93
  94
  95         bool bad_drag;
  96         bool move_only;
  97
  98 public:
  99         CanvasView* canvas_view_;
 100         bool scale;
 101         bool rotate;
 102         bool constrain;
 103         DuckDrag_Combo();
 104         void begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& begin);
 105         bool end_duck_drag(Duckmatic* duckmatic);
 106         void duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector);
 107
 108         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 109 };
 110
 111
 112 class studio::StateNormal_Context : public sigc::trackable
 113 {
 114         CanvasView* canvas_view_;
 115
 116         etl::handle<DuckDrag_Combo> duck_dragger_;
 117
 118         Gtk::Table options_table;
 119
 120 public:
 121
 122         void refresh_cursor();
 123
 124         bool get_rotate_flag()const { if(duck_dragger_) return duck_dragger_->rotate; else return false; }
 125         void set_rotate_flag(bool x) { if(duck_dragger_ && x!=duck_dragger_->rotate)
 126                                                {duck_dragger_->rotate=x; refresh_cursor();} }
 127
 128         bool get_scale_flag()const { if(duck_dragger_) return duck_dragger_->scale; else return false; }
 129         void set_scale_flag(bool x) { if(duck_dragger_ && x!=duck_dragger_->scale)
 130                                               {duck_dragger_->scale=x; refresh_cursor();} }
 131
 132         bool get_constrain_flag()const { if(duck_dragger_) return duck_dragger_->constrain; else return false; }
 133         void set_constrain_flag(bool x) { if(duck_dragger_ && x!=duck_dragger_->constrain)
 134                                                   {duck_dragger_->constrain=x; refresh_cursor();} }
 135
 136         StateNormal_Context(CanvasView* canvas_view);
 137
 138         ~StateNormal_Context();
 139
 140         CanvasView* get_canvas_view()const{return canvas_view_;}
 141         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 142         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 143         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 144
 145         Smach::event_result event_stop_handler(const Smach::event& x);
 146         Smach::event_result event_refresh_handler(const Smach::event& x);
 147         Smach::event_result event_refresh_ducks_handler(const Smach::event& x);
 148         Smach::event_result event_undo_handler(const Smach::event& x);
 149         Smach::event_result event_redo_handler(const Smach::event& x);
 150         Smach::event_result event_mouse_button_down_handler(const Smach::event& x);
 151         Smach::event_result event_multiple_ducks_clicked_handler(const Smach::event& x);
 152         Smach::event_result event_mouse_motion_handler(const Smach::event& x);
 153         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 154         void refresh_tool_options();
 155         Smach::event_result event_layer_click(const Smach::event& x);
 156
 157
 158 };      // END of class StateNormal_Context
 159
 160 /* === M E T H O D S ======================================================= */
 161
 162 StateNormal::StateNormal():
 163         Smach::state<StateNormal_Context>("normal")
 164 {
 165         insert(event_def(EVENT_STOP,&StateNormal_Context::event_stop_handler));
 166         insert(event_def(EVENT_REFRESH,&StateNormal_Context::event_refresh_handler));
 167         insert(event_def(EVENT_REFRESH_DUCKS,&StateNormal_Context::event_refresh_ducks_handler));
 168         insert(event_def(EVENT_UNDO,&StateNormal_Context::event_undo_handler));
 169         insert(event_def(EVENT_REDO,&StateNormal_Context::event_redo_handler));
 170         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateNormal_Context::event_mouse_button_down_handler));
 171         insert(event_def(EVENT_WORKAREA_MULTIPLE_DUCKS_CLICKED,&StateNormal_Context::event_multiple_ducks_clicked_handler));
 172         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateNormal_Context::event_refresh_tool_options));
 173         insert(event_def(EVENT_WORKAREA_MOUSE_MOTION,           &StateNormal_Context::event_mouse_motion_handler));
 174         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,      &StateNormal_Context::event_mouse_motion_handler));
 175         insert(event_def(EVENT_WORKAREA_LAYER_CLICKED,&StateNormal_Context::event_layer_click));
 176
 177 }
 178
 179 StateNormal::~StateNormal()
 180 {
 181 }
 182
 183 void StateNormal_Context::refresh_cursor()
 184 {
 185         // Check the current state and return when applicable
 186         synfig::String sname;
 187         sname=get_canvas_view()->get_smach().get_state_name();
 188         if (sname!="normal")
 189                         return;
 190
 191         // Change the cursor based on key flags
 192         if(get_rotate_flag() && !get_scale_flag())
 193         {
 194                 get_work_area()->set_cursor(Gdk::EXCHANGE);
 195                 return;
 196         }
 197         if(!get_rotate_flag() && get_scale_flag())
 198         {
 199                 get_work_area()->set_cursor(Gdk::SIZING);
 200                 return;
 201         }
 202         if(get_rotate_flag() && get_scale_flag())
 203         {
 204                 get_work_area()->set_cursor(Gdk::CROSSHAIR);
 205                 return;
 206         }
 207
 208         // Default cursor for Transform tool
 209         get_work_area()->set_cursor(Gdk::ARROW);
 210
 211 }
 212
 213 StateNormal_Context::StateNormal_Context(CanvasView* canvas_view):
 214         canvas_view_(canvas_view),
 215         duck_dragger_(new DuckDrag_Combo())
 216 {
 217         duck_dragger_->canvas_view_=get_canvas_view();
 218
 219         // Set up the tool options dialog
 220         options_table.attach(*manage(new Gtk::Label(_("Transform Tool"))),      0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 221         options_table.attach(*manage(new Gtk::Label(_("Ctrl to rotate"), Gtk::ALIGN_LEFT)),     0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 222         options_table.attach(*manage(new Gtk::Label(_("Alt to scale"), Gtk::ALIGN_LEFT)),       0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 223         options_table.attach(*manage(new Gtk::Label(_("Shift to constrain"), Gtk::ALIGN_LEFT)), 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 224
 225         options_table.show_all();
 226         refresh_tool_options();
 227         //App::dialog_tool_options->set_widget(options_table);
 228         //App::dialog_tool_options->present();
 229
 230         get_work_area()->set_allow_layer_clicks(true);
 231         get_work_area()->set_duck_dragger(duck_dragger_);
 232
 233         //these will segfault
 234 //      get_work_area()->set_cursor(Gdk::CROSSHAIR);
 235 //      get_work_area()->reset_cursor();
 236
 237         App::toolbox->refresh();
 238 }
 239
 240 void
 241 StateNormal_Context::refresh_tool_options()
 242 {
 243         App::dialog_tool_options->clear();
 244         App::dialog_tool_options->set_widget(options_table);
 245         App::dialog_tool_options->set_local_name(_("Transform Tool"));
 246         App::dialog_tool_options->set_name("normal");
 247 }
 248
 249
 250
 251 StateNormal_Context::~StateNormal_Context()
 252 {
 253         get_work_area()->clear_duck_dragger();
 254         get_work_area()->reset_cursor();
 255
 256         App::dialog_tool_options->clear();
 257
 258         App::toolbox->refresh();
 259 }
 260
 261 DuckDrag_Combo::DuckDrag_Combo():
 262         scale(false),
 263         rotate(false),
 264         constrain(false) // Lock aspect for scale
 265 {
 266 }
 267
 268 void
 269 DuckDrag_Combo::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
 270 {
 271         last_move=Vector(1,1);
 272
 273         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 274         DuckList::const_iterator iter;
 275
 276         bad_drag=false;
 277
 278                 drag_offset=duckmatic->find_duck(offset)->get_trans_point();
 279
 280                 //snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
 281                 //snap=offset-drag_offset_;
 282                 snap=Vector(0,0);
 283
 284         // Calculate center
 285         Point vmin(100000000,100000000);
 286         Point vmax(-100000000,-100000000);
 287         //std::set<etl::handle<Duck> >::iterator iter;
 288         positions.clear();
 289         int i;
 290         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 291         {
 292                 Point p((*iter)->get_trans_point());
 293                 vmin[0]=min(vmin[0],p[0]);
 294                 vmin[1]=min(vmin[1],p[1]);
 295                 vmax[0]=max(vmax[0],p[0]);
 296                 vmax[1]=max(vmax[1],p[1]);
 297                 positions.push_back(p);
 298         }
 299         center=(vmin+vmax)*0.5;
 300         if((vmin-vmax).mag()<=EPSILON)
 301                 move_only=true;
 302         else
 303                 move_only=false;
 304
 305
 306         synfig::Vector vect(offset-center);
 307         original_angle=Angle::tan(vect[1],vect[0]);
 308         original_mag=vect.mag();
 309 }
 310
 311
 312 void
 313 DuckDrag_Combo::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
 314 {
 315         if (!duckmatic) return;
 316
 317         if(bad_drag)
 318                 return;
 319
 320         //Override axis lock set in workarea when holding down the shift key
 321         if (!move_only && (scale || rotate))
 322                 duckmatic->set_axis_lock(false);
 323
 324         synfig::Vector vect;
 325         if (move_only || (!scale && !rotate))
 326                 vect= duckmatic->snap_point_to_grid(vector)-drag_offset+snap;
 327         else
 328                 vect= duckmatic->snap_point_to_grid(vector)-center+snap;
 329
 330         last_move=vect;
 331
 332         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 333         DuckList::const_iterator iter;
 334
 335         Time time(duckmatic->get_time());
 336
 337         int i;
 338         if( move_only || (!scale && !rotate) )
 339         {
 340                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 341                 {
 342                         if((*iter)->get_type()==Duck::TYPE_VERTEX || (*iter)->get_type()==Duck::TYPE_POSITION)
 343                                 (*iter)->set_trans_point(positions[i]+vect, time);
 344                 }
 345                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 346                 {
 347                         if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)
 348                                 (*iter)->set_trans_point(positions[i]+vect, time);
 349                 }
 350         }
 351
 352         if (rotate)
 353         {
 354                 Angle::deg angle(Angle::tan(vect[1],vect[0]));
 355                 angle=original_angle-angle;
 356                 if (constrain)
 357                 {
 358                         float degrees = angle.get()/15;
 359                         angle= Angle::deg (degrees>0?std::floor(degrees)*15:std::ceil(degrees)*15);
 360                 }
 361                 Real mag(vect.mag()/original_mag);
 362                 Real sine(Angle::sin(angle).get());
 363                 Real cosine(Angle::cos(angle).get());
 364
 365                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 366                 {
 367                         if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)continue;
 368
 369                         Vector x(positions[i]-center),p;
 370
 371                         p[0]=cosine*x[0]+sine*x[1];
 372                         p[1]=-sine*x[0]+cosine*x[1];
 373                         if(scale)p*=mag;
 374                         p+=center;
 375                         (*iter)->set_trans_point(p, time);
 376                 }
 377                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 378                 {
 379                         if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 380
 381                         Vector x(positions[i]-center),p;
 382
 383                         p[0]=cosine*x[0]+sine*x[1];
 384                         p[1]=-sine*x[0]+cosine*x[1];
 385                         if(scale)p*=mag;
 386                         p+=center;
 387                         (*iter)->set_trans_point(p, time);
 388                 }
 389         } else if (scale)
 390         {
 391                 if(!constrain)
 392                 {
 393                         if(abs(drag_offset[0]-center[0])>EPSILON)
 394                                 vect[0]/=drag_offset[0]-center[0];
 395                         else
 396                                 vect[0]=1;
 397                         if(abs(drag_offset[1]-center[1])>EPSILON)
 398                                 vect[1]/=drag_offset[1]-center[1];
 399                         else
 400                                 vect[1]=1;
 401                         }
 402                 else
 403                 {
 404                         Real amount;
 405                         if((drag_offset-center).mag() < EPSILON)
 406                                 amount = 1;
 407                         else
 408                                 amount = vect.mag()/(drag_offset-center).mag();
 409
 410                         vect[0]=vect[1]=amount;
 411                 }
 412
 413                 if(vect[0]<EPSILON && vect[0]>-EPSILON)
 414                         vect[0]=1;
 415                 if(vect[1]<EPSILON && vect[1]>-EPSILON)
 416                         vect[1]=1;
 417
 418                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 419                 {
 420                         if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 421
 422                         Vector p(positions[i]-center);
 423
 424                         p[0]*=vect[0];
 425                         p[1]*=vect[1];
 426                         p+=center;
 427                         (*iter)->set_trans_point(p, time);
 428                 }
 429                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 430                 {
 431                         if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 432
 433                         Vector p(positions[i]-center);
 434
 435                         p[0]*=vect[0];
 436                         p[1]*=vect[1];
 437                         p+=center;
 438                         (*iter)->set_trans_point(p, time);
 439                 }
 440
 441         }
 442
 443         // then patch up the tangents for the vertices we've moved
 444         duckmatic->update_ducks();
 445
 446         last_move=vect;
 447 }
 448
 449 bool
 450 DuckDrag_Combo::end_duck_drag(Duckmatic* duckmatic)
 451 {
 452         if(bad_drag)return false;
 453
 454         //synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Rotate Ducks"));
 455
 456         if((last_move-Vector(1,1)).mag()>0.0001)
 457         {
 458                 duckmatic->signal_edited_selected_ducks();
 459                 return true;
 460         }
 461         else
 462         {
 463                 duckmatic->signal_user_click_selected_ducks(0);
 464                 return false;
 465         }
 466 }
 467
 468 Smach::event_result
 469 StateNormal_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 470 {
 471         refresh_tool_options();
 472         return Smach::RESULT_ACCEPT;
 473 }
 474
 475 Smach::event_result
 476 StateNormal_Context::event_stop_handler(const Smach::event& /*x*/)
 477 {
 478         // synfig::info("STATE NORMAL: Received Stop Event");
 479         canvas_view_->stop();
 480         return Smach::RESULT_ACCEPT;
 481 }
 482
 483 Smach::event_result
 484 StateNormal_Context::event_refresh_handler(const Smach::event& /*x*/)
 485 {
 486         // synfig::info("STATE NORMAL: Received Refresh Event");
 487         canvas_view_->rebuild_tables();
 488         canvas_view_->work_area->queue_render_preview();
 489         return Smach::RESULT_ACCEPT;
 490 }
 491
 492 Smach::event_result
 493 StateNormal_Context::event_refresh_ducks_handler(const Smach::event& /*x*/)
 494 {
 495         // synfig::info("STATE NORMAL: Received Refresh Ducks");
 496         canvas_view_->queue_rebuild_ducks();
 497         return Smach::RESULT_ACCEPT;
 498 }
 499
 500 Smach::event_result
 501 StateNormal_Context::event_undo_handler(const Smach::event& /*x*/)
 502 {
 503         // synfig::info("STATE NORMAL: Received Undo Event");
 504         canvas_view_->get_instance()->undo();
 505         return Smach::RESULT_ACCEPT;
 506 }
 507
 508 Smach::event_result
 509 StateNormal_Context::event_redo_handler(const Smach::event& /*x*/)
 510 {
 511         // synfig::info("STATE NORMAL: Received Redo Event");
 512         canvas_view_->get_instance()->redo();
 513         return Smach::RESULT_ACCEPT;
 514 }
 515
 516 Smach::event_result
 517 StateNormal_Context::event_mouse_button_down_handler(const Smach::event& x)
 518 {
 519         // synfig::info("STATE NORMAL: Received mouse button down Event");
 520
 521         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 522
 523         switch(event.button)
 524         {
 525         case BUTTON_RIGHT:
 526                 canvas_view_->popup_main_menu();
 527                 return Smach::RESULT_ACCEPT;
 528         default:
 529                 return Smach::RESULT_OK;
 530         }
 531 }
 532
 533 Smach::event_result
 534 StateNormal_Context::event_mouse_motion_handler(const Smach::event& x)
 535 {
 536         // synfig::info("STATE NORMAL: Received mouse button down Event");
 537
 538         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 539
 540         set_rotate_flag(event.modifier&GDK_CONTROL_MASK);
 541         set_scale_flag(event.modifier&GDK_MOD1_MASK);
 542         set_constrain_flag(event.modifier&GDK_SHIFT_MASK);
 543
 544         return Smach::RESULT_OK;
 545 }
 546
 547 Smach::event_result
 548 StateNormal_Context::event_layer_click(const Smach::event& x)
 549 {
 550         const EventLayerClick& event(*reinterpret_cast<const EventLayerClick*>(&x));
 551
 552         if(event.layer)
 553         {
 554                 // synfig::info("STATE NORMAL: Received layer click Event, \"%s\"",event.layer->get_name().c_str());
 555         }
 556         else
 557         {
 558                 // synfig::info("STATE NORMAL: Received layer click Event with an empty layer.");
 559         }
 560
 561         switch(event.button)
 562         {
 563         case BUTTON_LEFT:
 564                 if(!(event.modifier&Gdk::CONTROL_MASK))
 565                         canvas_view_->get_selection_manager()->clear_selected_layers();
 566                 if(event.layer)
 567                 {
 568                         std::list<Layer::Handle> layer_list(canvas_view_->get_selection_manager()->get_selected_layers());
 569                         std::set<Layer::Handle> layers(layer_list.begin(),layer_list.end());
 570                         if(layers.count(event.layer))
 571                         {
 572                                 layers.erase(event.layer);
 573                                 layer_list=std::list<Layer::Handle>(layers.begin(),layers.end());
 574                                 canvas_view_->get_selection_manager()->clear_selected_layers();
 575                                 canvas_view_->get_selection_manager()->set_selected_layers(layer_list);
 576                         }
 577                         else
 578                         {
 579                                 canvas_view_->get_selection_manager()->set_selected_layer(event.layer);
 580                         }
 581                 }
 582                 return Smach::RESULT_ACCEPT;
 583         case BUTTON_RIGHT:
 584                 canvas_view_->popup_layer_menu(event.layer);
 585                 return Smach::RESULT_ACCEPT;
 586         default:
 587                 return Smach::RESULT_OK;
 588         }
 589 }
 590
 591 /*
 592 void
 593 StateNormal_Context::edit_several_waypoints(std::list<synfigapp::ValueDesc> value_desc_list)
 594 {
 595         Gtk::Dialog dialog(
 596                 "Edit Multiple Waypoints",              // Title
 597                 true,           // Modal
 598                 true            // use_separator
 599         );
 600
 601         Widget_WaypointModel widget_waypoint_model;
 602         widget_waypoint_model.show();
 603
 604         dialog.get_vbox()->pack_start(widget_waypoint_model);
 605
 606
 607         dialog.add_button(Gtk::StockID("gtk-apply"),1);
 608         dialog.add_button(Gtk::StockID("gtk-cancel"),0);
 609         dialog.show();
 610
 611         if(dialog.run()==0)
 612                 return;
 613         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Set Waypoints"));
 614
 615         std::list<synfigapp::ValueDesc>::iterator iter;
 616         for(iter=value_desc_list.begin();iter!=value_desc_list.end();++iter)
 617         {
 618                 synfigapp::ValueDesc value_desc(*iter);
 619
 620                 if(!value_desc.is_valid())
 621                         continue;
 622
 623                 ValueNode_Animated::Handle value_node;
 624
 625                 // If this value isn't a ValueNode_Animated, but
 626                 // it is somewhat constant, then go ahead and convert
 627                 // it to a ValueNode_Animated.
 628                 if(!value_desc.is_value_node() || ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
 629                 {
 630                         ValueBase value;
 631                         if(value_desc.is_value_node())
 632                                 value=ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node())->get_value();
 633                         else
 634                                 value=value_desc.get_value();
 635
 636                         value_node=ValueNode_Animated::create(value,get_canvas()->get_time());
 637
 638                         synfigapp::Action::Handle action;
 639
 640                         if(!value_desc.is_value_node())
 641                         {
 642                                 action=synfigapp::Action::create("ValueDescConnect");
 643                                 action->set_param("dest",value_desc);
 644                                 action->set_param("src",ValueNode::Handle(value_node));
 645                         }
 646                         else
 647                         {
 648                                 action=synfigapp::Action::create("ValueNodeReplace");
 649                                 action->set_param("dest",value_desc.get_value_node());
 650                                 action->set_param("src",ValueNode::Handle(value_node));
 651                         }
 652
 653                         action->set_param("canvas",get_canvas());
 654                         action->set_param("canvas_interface",get_canvas_interface());
 655
 656
 657                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 658                         {
 659                                 get_canvas_view()->get_ui_interface()->error(_("Unable to convert to animated waypoint"));
 660                                 group.cancel();
 661                                 return;
 662                         }
 663                 }
 664                 else
 665                 {
 666                         if(value_desc.is_value_node())
 667                                 value_node=ValueNode_Animated::Handle::cast_dynamic(value_desc.get_value_node());
 668                 }
 669
 670
 671                 if(value_node)
 672                 {
 673
 674                         synfigapp::Action::Handle action(synfigapp::Action::create("WaypointSetSmart"));
 675
 676                         if(!action)
 677                         {
 678                                 get_canvas_view()->get_ui_interface()->error(_("Unable to find WaypointSetSmart action"));
 679                                 group.cancel();
 680                                 return;
 681                         }
 682
 683
 684                         action->set_param("canvas",get_canvas());
 685                         action->set_param("canvas_interface",get_canvas_interface());
 686                         action->set_param("value_node",ValueNode::Handle(value_node));
 687                         action->set_param("time",get_canvas()->get_time());
 688                         action->set_param("model",widget_waypoint_model.get_waypoint_model());
 689
 690                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 691                         {
 692                                 get_canvas_view()->get_ui_interface()->error(_("Unable to set a specific waypoint"));
 693                                 group.cancel();
 694                                 return;
 695                         }
 696                 }
 697                 else
 698                 {
 699                         //get_canvas_view()->get_ui_interface()->error(_("Unable to animate a specific valuedesc"));
 700                         //group.cancel();
 701                         //return;
 702                 }
 703
 704         }
 705 }
 706 */
 707
 708 Smach::event_result
 709 StateNormal_Context::event_multiple_ducks_clicked_handler(const Smach::event& /*x*/)
 710 {
 711         // synfig::info("STATE NORMAL: Received multiple duck click event");
 712
 713         //const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 714
 715         std::list<synfigapp::ValueDesc> value_desc_list;
 716
 717         // Create a list of value_descs associated with selection
 718         const DuckList selected_ducks(get_work_area()->get_selected_ducks());
 719         DuckList::const_iterator iter;
 720         for(iter=selected_ducks.begin();iter!=selected_ducks.end();++iter)
 721         {
 722                 synfigapp::ValueDesc value_desc((*iter)->get_value_desc());
 723
 724                 if(!value_desc.is_valid())
 725                         continue;
 726
 727                 if(value_desc.get_value_type()==ValueBase::TYPE_BLINEPOINT && value_desc.is_value_node() && ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()))
 728                 {
 729                         value_desc_list.push_back(
 730                                 synfigapp::ValueDesc(
 731                                         ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())
 732                                         ,ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())
 733                                                                ->get_link_index_from_name("point")
 734                                 )
 735                         );
 736                 }
 737                 else
 738                         value_desc_list.push_back(value_desc);
 739         }
 740
 741         Gtk::Menu *menu=manage(new Gtk::Menu());
 742         menu->signal_hide().connect(sigc::bind(sigc::ptr_fun(&delete_widget), menu));
 743
 744         canvas_view_->get_instance()->make_param_menu(menu,canvas_view_->get_canvas(),value_desc_list);
 745
 746         /*
 747         synfigapp::Action::ParamList param_list;
 748         param_list=get_canvas_interface()->generate_param_list(value_desc_list);
 749
 750         canvas_view_->add_actions_to_menu(menu, param_list,synfigapp::Action::CATEGORY_VALUEDESC|synfigapp::Action::CATEGORY_VALUENODE);
 751
 752         menu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Edit Waypoints"),
 753                 sigc::bind(
 754                         sigc::mem_fun(
 755                                 *this,
 756                                 &studio::StateNormal_Context::edit_several_waypoints
 757                         ),
 758                         value_desc_list
 759                 )
 760         ));
 761         */
 762         menu->popup(3,gtk_get_current_event_time());
 763
 764         return Smach::RESULT_ACCEPT;
 765 }
 766
 767