synfig-studio/src/gtkmm/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 "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         etl::handle<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         etl::handle<CanvasView> canvas_view_;
 115
 116         synfigapp::Settings& settings;
 117
 118         sigc::connection keypress_connect;
 119         sigc::connection keyrelease_connect;
 120
 121         etl::handle<DuckDrag_Combo> duck_dragger_;
 122
 123         Gtk::Table options_table;
 124
 125         Gtk::CheckButton checkbutton_rotate;
 126         Gtk::CheckButton checkbutton_scale;
 127         Gtk::CheckButton checkbutton_constrain;
 128
 129 public:
 130
 131         bool get_rotate_flag()const { return checkbutton_rotate.get_active(); }
 132         void set_rotate_flag(bool x) { checkbutton_rotate.set_active(x); refresh_rotate_flag(); }
 133         void refresh_rotate_flag() { if(duck_dragger_)duck_dragger_->rotate=get_rotate_flag(); }
 134
 135         bool get_scale_flag()const { return checkbutton_scale.get_active(); }
 136         void set_scale_flag(bool x) { checkbutton_scale.set_active(x); refresh_scale_flag(); }
 137         void refresh_scale_flag() { if(duck_dragger_)duck_dragger_->scale=get_scale_flag(); }
 138
 139         bool get_constrain_flag()const { return checkbutton_constrain.get_active(); }
 140         void set_constrain_flag(bool x) { checkbutton_constrain.set_active(x); refresh_constrain_flag(); }
 141         void refresh_constrain_flag() { if(duck_dragger_)duck_dragger_->constrain=get_constrain_flag(); }
 142
 143         StateNormal_Context(CanvasView* canvas_view);
 144
 145         ~StateNormal_Context();
 146
 147         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 148         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 149         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 150         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 151
 152         void load_settings();
 153         void save_settings();
 154
 155         bool key_pressed(GdkEventKey *event);
 156         bool key_released(GdkEventKey *event);
 157
 158         Smach::event_result event_stop_handler(const Smach::event& x);
 159         Smach::event_result event_refresh_handler(const Smach::event& x);
 160         Smach::event_result event_refresh_ducks_handler(const Smach::event& x);
 161         Smach::event_result event_undo_handler(const Smach::event& x);
 162         Smach::event_result event_redo_handler(const Smach::event& x);
 163         Smach::event_result event_mouse_button_down_handler(const Smach::event& x);
 164         Smach::event_result event_multiple_ducks_clicked_handler(const Smach::event& x);
 165         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 166         void refresh_tool_options();
 167         Smach::event_result event_layer_click(const Smach::event& x);
 168
 169
 170 };      // END of class StateNormal_Context
 171
 172 /* === M E T H O D S ======================================================= */
 173
 174 StateNormal::StateNormal():
 175         Smach::state<StateNormal_Context>("normal")
 176 {
 177         insert(event_def(EVENT_STOP,&StateNormal_Context::event_stop_handler));
 178         insert(event_def(EVENT_REFRESH,&StateNormal_Context::event_refresh_handler));
 179         insert(event_def(EVENT_REFRESH_DUCKS,&StateNormal_Context::event_refresh_ducks_handler));
 180         insert(event_def(EVENT_UNDO,&StateNormal_Context::event_undo_handler));
 181         insert(event_def(EVENT_REDO,&StateNormal_Context::event_redo_handler));
 182         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateNormal_Context::event_mouse_button_down_handler));
 183         insert(event_def(EVENT_WORKAREA_MULTIPLE_DUCKS_CLICKED,&StateNormal_Context::event_multiple_ducks_clicked_handler));
 184         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateNormal_Context::event_refresh_tool_options));
 185         insert(event_def(EVENT_WORKAREA_LAYER_CLICKED,&StateNormal_Context::event_layer_click));
 186
 187 }
 188
 189 StateNormal::~StateNormal()
 190 {
 191 }
 192
 193 void
 194 StateNormal_Context::load_settings()
 195 {
 196         String value;
 197
 198         if(settings.get_value("normal.rotate",value) && value=="1")
 199                 set_rotate_flag(true);
 200         else
 201                 set_rotate_flag(false);
 202
 203         if(settings.get_value("normal.scale",value) && value=="1")
 204                 set_scale_flag(true);
 205         else
 206                 set_scale_flag(false);
 207
 208         if(settings.get_value("normal.constrain",value) && value=="1")
 209                 set_constrain_flag(true);
 210         else
 211                 set_constrain_flag(false);
 212
 213 }
 214
 215 void
 216 StateNormal_Context::save_settings()
 217 {
 218         settings.set_value("normal.rotate",get_rotate_flag()?"1":"0");
 219         settings.set_value("normal.scale",get_scale_flag()?"1":"0");
 220         settings.set_value("normal.constrain",get_constrain_flag()?"1":"0");
 221 }
 222
 223 StateNormal_Context::StateNormal_Context(CanvasView* canvas_view):
 224         canvas_view_(canvas_view),
 225         settings(synfigapp::Main::get_selected_input_device()->settings()),
 226         duck_dragger_(new DuckDrag_Combo()),
 227         checkbutton_rotate(_("Rotate (Ctrl)")),
 228         checkbutton_scale(_("Scale (Alt)")),
 229         checkbutton_constrain(_("Constrain (Shift)"))
 230 {
 231         duck_dragger_->canvas_view_=get_canvas_view();
 232
 233         // Set up the tool options dialog
 234         options_table.attach(*manage(new Gtk::Label(_("Normal Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 235         options_table.attach(checkbutton_rotate,                                                        0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 236         options_table.attach(checkbutton_scale,                                                 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 237         options_table.attach(checkbutton_constrain,                                                     0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 238
 239         checkbutton_rotate.signal_toggled().connect(sigc::mem_fun(*this,&StateNormal_Context::refresh_rotate_flag));
 240         checkbutton_scale.signal_toggled().connect(sigc::mem_fun(*this,&StateNormal_Context::refresh_scale_flag));
 241         checkbutton_constrain.signal_toggled().connect(sigc::mem_fun(*this,&StateNormal_Context::refresh_constrain_flag));
 242
 243
 244         options_table.show_all();
 245         refresh_tool_options();
 246         //App::dialog_tool_options->set_widget(options_table);
 247         //App::dialog_tool_options->present();
 248
 249         get_work_area()->set_allow_layer_clicks(true);
 250         get_work_area()->set_duck_dragger(duck_dragger_);
 251
 252         keypress_connect=get_work_area()->signal_key_press_event().connect(sigc::mem_fun(*this,&StateNormal_Context::key_pressed),false);
 253         keyrelease_connect=get_work_area()->signal_key_release_event().connect(sigc::mem_fun(*this,&StateNormal_Context::key_released),false);
 254
 255         //these will segfault
 256 //      get_work_area()->set_cursor(Gdk::CROSSHAIR);
 257 //      get_work_area()->reset_cursor();
 258
 259         App::toolbox->refresh();
 260
 261         load_settings();
 262         refresh_scale_flag();
 263 }
 264
 265 bool
 266 StateNormal_Context::key_pressed(GdkEventKey *event)
 267 {
 268         switch(event->keyval)
 269         {
 270                 case GDK_Control_L:
 271                 case GDK_Control_R:
 272                         set_rotate_flag(true);
 273                         break;
 274                 case GDK_Alt_L:
 275                 case GDK_Alt_R:
 276                         set_scale_flag(true);
 277                         break;
 278                 case GDK_Shift_L:
 279                 case GDK_Shift_R:
 280                         set_constrain_flag(true);
 281                         break;
 282                 default:
 283                         break;
 284         }
 285         return false; //Pass on the event to other handlers, just in case
 286 }
 287
 288 bool
 289 StateNormal_Context::key_released(GdkEventKey *event)
 290 {
 291         switch(event->keyval)
 292         {
 293                 case GDK_Control_L:
 294                 case GDK_Control_R:
 295                         set_rotate_flag(false);
 296                         break;
 297                 case GDK_Alt_L:
 298                 case GDK_Alt_R:
 299                         set_scale_flag(false);
 300                         break;
 301                 case GDK_Shift_L:
 302                 case GDK_Shift_R:
 303                         set_constrain_flag(false);
 304                         break;
 305                 default:
 306                         break;
 307         }
 308         return false; //Pass on the event to other handlers
 309 }
 310
 311 void
 312 StateNormal_Context::refresh_tool_options()
 313 {
 314         App::dialog_tool_options->clear();
 315         App::dialog_tool_options->set_widget(options_table);
 316         App::dialog_tool_options->set_local_name(_("Normal Tool"));
 317         App::dialog_tool_options->set_name("normal");
 318 }
 319
 320
 321
 322 StateNormal_Context::~StateNormal_Context()
 323 {
 324         save_settings();
 325
 326         get_work_area()->clear_duck_dragger();
 327         get_work_area()->reset_cursor();
 328
 329         keypress_connect.disconnect();
 330         keyrelease_connect.disconnect();
 331
 332         App::dialog_tool_options->clear();
 333
 334         App::toolbox->refresh();
 335 }
 336
 337 DuckDrag_Combo::DuckDrag_Combo():
 338         scale(false),
 339         rotate(false),
 340         constrain(false) // Lock aspect for scale; smooth move for translate
 341 {
 342 }
 343
 344 void
 345 DuckDrag_Combo::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
 346 {
 347         last_move=Vector(1,1);
 348
 349         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 350         DuckList::const_iterator iter;
 351
 352         bad_drag=false;
 353
 354                 drag_offset=duckmatic->find_duck(offset)->get_trans_point();
 355
 356                 //snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
 357                 //snap=offset-drag_offset_;
 358                 snap=Vector(0,0);
 359
 360         // Calculate center
 361         Point vmin(100000000,100000000);
 362         Point vmax(-100000000,-100000000);
 363         //std::set<etl::handle<Duck> >::iterator iter;
 364         positions.clear();
 365         int i;
 366         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 367         {
 368                 Point p((*iter)->get_trans_point());
 369                 vmin[0]=min(vmin[0],p[0]);
 370                 vmin[1]=min(vmin[1],p[1]);
 371                 vmax[0]=max(vmax[0],p[0]);
 372                 vmax[1]=max(vmax[1],p[1]);
 373                 positions.push_back(p);
 374         }
 375         center=(vmin+vmax)*0.5;
 376         if((vmin-vmax).mag()<=EPSILON)
 377                 move_only=true;
 378         else
 379                 move_only=false;
 380
 381
 382         synfig::Vector vect(offset-center);
 383         original_angle=Angle::tan(vect[1],vect[0]);
 384         original_mag=vect.mag();
 385 }
 386
 387
 388 void
 389 DuckDrag_Combo::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
 390 {
 391         if (!duckmatic) return;
 392
 393         if(bad_drag)
 394                 return;
 395
 396         //Override axis lock set in workarea when holding down the shift key
 397         if (!move_only && (scale || rotate))
 398                 duckmatic->set_axis_lock(false);
 399
 400         synfig::Vector vect;
 401         if (move_only || (!scale && !rotate))
 402                 vect= duckmatic->snap_point_to_grid(vector)-drag_offset+snap;
 403         else
 404                 vect= duckmatic->snap_point_to_grid(vector)-center+snap;
 405
 406         last_move=vect;
 407
 408         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 409         DuckList::const_iterator iter;
 410
 411         Time time(duckmatic->get_time());
 412
 413         int i;
 414         if( move_only || (!scale && !rotate) )
 415         {
 416                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 417                 {
 418                         if((*iter)->get_type()==Duck::TYPE_VERTEX || (*iter)->get_type()==Duck::TYPE_POSITION)
 419                                 (*iter)->set_trans_point(positions[i]+vect, time);
 420                 }
 421                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 422                 {
 423                         if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)
 424                                 (*iter)->set_trans_point(positions[i]+vect, time);
 425                 }
 426         }
 427
 428         if (rotate)
 429         {
 430                 Angle::deg angle(Angle::tan(vect[1],vect[0]));
 431                 angle=original_angle-angle;
 432                 if (constrain)
 433                 {
 434                         float degrees = angle.get()/15;
 435                         angle= Angle::deg (degrees>0?std::floor(degrees)*15:std::ceil(degrees)*15);
 436                 }
 437                 Real mag(vect.mag()/original_mag);
 438                 Real sine(Angle::sin(angle).get());
 439                 Real cosine(Angle::cos(angle).get());
 440
 441                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 442                 {
 443                         if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)continue;
 444
 445                         Vector x(positions[i]-center),p;
 446
 447                         p[0]=cosine*x[0]+sine*x[1];
 448                         p[1]=-sine*x[0]+cosine*x[1];
 449                         if(scale)p*=mag;
 450                         p+=center;
 451                         (*iter)->set_trans_point(p, time);
 452                 }
 453                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 454                 {
 455                         if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 456
 457                         Vector x(positions[i]-center),p;
 458
 459                         p[0]=cosine*x[0]+sine*x[1];
 460                         p[1]=-sine*x[0]+cosine*x[1];
 461                         if(scale)p*=mag;
 462                         p+=center;
 463                         (*iter)->set_trans_point(p, time);
 464                 }
 465         } else if (scale)
 466         {
 467                 if(!constrain)
 468                 {
 469                         if(abs(drag_offset[0]-center[0])>EPSILON)
 470                                 vect[0]/=drag_offset[0]-center[0];
 471                         else
 472                                 vect[0]=1;
 473                         if(abs(drag_offset[1]-center[1])>EPSILON)
 474                                 vect[1]/=drag_offset[1]-center[1];
 475                         else
 476                                 vect[1]=1;
 477                         }
 478                 else
 479                 {
 480                         //vect[0]=vect[1]=vect.mag()*0.707106781;
 481                         Real amount(vect.mag()/(drag_offset-center).mag());
 482                         vect[0]=vect[1]=amount;
 483                 }
 484
 485                 if(vect[0]<EPSILON && vect[0]>-EPSILON)
 486                         vect[0]=1;
 487                 if(vect[1]<EPSILON && vect[1]>-EPSILON)
 488                         vect[1]=1;
 489
 490                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 491                 {
 492                         if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 493
 494                         Vector p(positions[i]-center);
 495
 496                         p[0]*=vect[0];
 497                         p[1]*=vect[1];
 498                         p+=center;
 499                         (*iter)->set_trans_point(p, time);
 500                 }
 501                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 502                 {
 503                         if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 504
 505                         Vector p(positions[i]-center);
 506
 507                         p[0]*=vect[0];
 508                         p[1]*=vect[1];
 509                         p+=center;
 510                         (*iter)->set_trans_point(p, time);
 511                 }
 512         }
 513
 514         // then patch up the tangents for the vertices we've moved
 515         duckmatic->update_ducks();
 516
 517         last_move=vect;
 518 }
 519
 520 bool
 521 DuckDrag_Combo::end_duck_drag(Duckmatic* duckmatic)
 522 {
 523         if(bad_drag)return false;
 524
 525         //synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Rotate Ducks"));
 526
 527         if((last_move-Vector(1,1)).mag()>0.0001)
 528         {
 529                 duckmatic->signal_edited_selected_ducks();
 530                 return true;
 531         }
 532         else
 533         {
 534                 duckmatic->signal_user_click_selected_ducks(0);
 535                 return false;
 536         }
 537 }
 538
 539 Smach::event_result
 540 StateNormal_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 541 {
 542         refresh_tool_options();
 543         return Smach::RESULT_ACCEPT;
 544 }
 545
 546 Smach::event_result
 547 StateNormal_Context::event_stop_handler(const Smach::event& /*x*/)
 548 {
 549         // synfig::info("STATE NORMAL: Received Stop Event");
 550         canvas_view_->stop();
 551         return Smach::RESULT_ACCEPT;
 552 }
 553
 554 Smach::event_result
 555 StateNormal_Context::event_refresh_handler(const Smach::event& /*x*/)
 556 {
 557         // synfig::info("STATE NORMAL: Received Refresh Event");
 558         canvas_view_->rebuild_tables();
 559         canvas_view_->work_area->queue_render_preview();
 560         return Smach::RESULT_ACCEPT;
 561 }
 562
 563 Smach::event_result
 564 StateNormal_Context::event_refresh_ducks_handler(const Smach::event& /*x*/)
 565 {
 566         // synfig::info("STATE NORMAL: Received Refresh Ducks");
 567         canvas_view_->queue_rebuild_ducks();
 568         return Smach::RESULT_ACCEPT;
 569 }
 570
 571 Smach::event_result
 572 StateNormal_Context::event_undo_handler(const Smach::event& /*x*/)
 573 {
 574         // synfig::info("STATE NORMAL: Received Undo Event");
 575         canvas_view_->get_instance()->undo();
 576         return Smach::RESULT_ACCEPT;
 577 }
 578
 579 Smach::event_result
 580 StateNormal_Context::event_redo_handler(const Smach::event& /*x*/)
 581 {
 582         // synfig::info("STATE NORMAL: Received Redo Event");
 583         canvas_view_->get_instance()->redo();
 584         return Smach::RESULT_ACCEPT;
 585 }
 586
 587 Smach::event_result
 588 StateNormal_Context::event_mouse_button_down_handler(const Smach::event& x)
 589 {
 590         // synfig::info("STATE NORMAL: Received mouse button down Event");
 591
 592         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 593
 594         switch(event.button)
 595         {
 596         case BUTTON_RIGHT:
 597                 canvas_view_->popup_main_menu();
 598                 return Smach::RESULT_ACCEPT;
 599         default:
 600                 return Smach::RESULT_OK;
 601         }
 602 }
 603
 604 Smach::event_result
 605 StateNormal_Context::event_layer_click(const Smach::event& x)
 606 {
 607         const EventLayerClick& event(*reinterpret_cast<const EventLayerClick*>(&x));
 608
 609         if(event.layer)
 610         {
 611                 // synfig::info("STATE NORMAL: Received layer click Event, \"%s\"",event.layer->get_name().c_str());
 612         }
 613         else
 614         {
 615                 // synfig::info("STATE NORMAL: Received layer click Event with an empty layer.");
 616         }
 617
 618         switch(event.button)
 619         {
 620         case BUTTON_LEFT:
 621                 if(!(event.modifier&Gdk::CONTROL_MASK))
 622                         canvas_view_->get_selection_manager()->clear_selected_layers();
 623                 if(event.layer)
 624                 {
 625                         std::list<Layer::Handle> layer_list(canvas_view_->get_selection_manager()->get_selected_layers());
 626                         std::set<Layer::Handle> layers(layer_list.begin(),layer_list.end());
 627                         if(layers.count(event.layer))
 628                         {
 629                                 layers.erase(event.layer);
 630                                 layer_list=std::list<Layer::Handle>(layers.begin(),layers.end());
 631                                 canvas_view_->get_selection_manager()->clear_selected_layers();
 632                                 canvas_view_->get_selection_manager()->set_selected_layers(layer_list);
 633                         }
 634                         else
 635                         {
 636                                 canvas_view_->get_selection_manager()->set_selected_layer(event.layer);
 637                         }
 638                 }
 639                 return Smach::RESULT_ACCEPT;
 640         case BUTTON_RIGHT:
 641                 canvas_view_->popup_layer_menu(event.layer);
 642                 return Smach::RESULT_ACCEPT;
 643         default:
 644                 return Smach::RESULT_OK;
 645         }
 646 }
 647
 648 /*
 649 void
 650 StateNormal_Context::edit_several_waypoints(std::list<synfigapp::ValueDesc> value_desc_list)
 651 {
 652         Gtk::Dialog dialog(
 653                 "Edit Multiple Waypoints",              // Title
 654                 true,           // Modal
 655                 true            // use_separator
 656         );
 657
 658         Widget_WaypointModel widget_waypoint_model;
 659         widget_waypoint_model.show();
 660
 661         dialog.get_vbox()->pack_start(widget_waypoint_model);
 662
 663
 664         dialog.add_button(Gtk::StockID("gtk-apply"),1);
 665         dialog.add_button(Gtk::StockID("gtk-cancel"),0);
 666         dialog.show();
 667
 668         if(dialog.run()==0)
 669                 return;
 670         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Set Waypoints"));
 671
 672         std::list<synfigapp::ValueDesc>::iterator iter;
 673         for(iter=value_desc_list.begin();iter!=value_desc_list.end();++iter)
 674         {
 675                 synfigapp::ValueDesc value_desc(*iter);
 676
 677                 if(!value_desc.is_valid())
 678                         continue;
 679
 680                 ValueNode_Animated::Handle value_node;
 681
 682                 // If this value isn't a ValueNode_Animated, but
 683                 // it is somewhat constant, then go ahead and convert
 684                 // it to a ValueNode_Animated.
 685                 if(!value_desc.is_value_node() || ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
 686                 {
 687                         ValueBase value;
 688                         if(value_desc.is_value_node())
 689                                 value=ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node())->get_value();
 690                         else
 691                                 value=value_desc.get_value();
 692
 693                         value_node=ValueNode_Animated::create(value,get_canvas()->get_time());
 694
 695                         synfigapp::Action::Handle action;
 696
 697                         if(!value_desc.is_value_node())
 698                         {
 699                                 action=synfigapp::Action::create("ValueDescConnect");
 700                                 action->set_param("dest",value_desc);
 701                                 action->set_param("src",ValueNode::Handle(value_node));
 702                         }
 703                         else
 704                         {
 705                                 action=synfigapp::Action::create("ValueNodeReplace");
 706                                 action->set_param("dest",value_desc.get_value_node());
 707                                 action->set_param("src",ValueNode::Handle(value_node));
 708                         }
 709
 710                         action->set_param("canvas",get_canvas());
 711                         action->set_param("canvas_interface",get_canvas_interface());
 712
 713
 714                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 715                         {
 716                                 get_canvas_view()->get_ui_interface()->error(_("Unable to convert to animated waypoint"));
 717                                 group.cancel();
 718                                 return;
 719                         }
 720                 }
 721                 else
 722                 {
 723                         if(value_desc.is_value_node())
 724                                 value_node=ValueNode_Animated::Handle::cast_dynamic(value_desc.get_value_node());
 725                 }
 726
 727
 728                 if(value_node)
 729                 {
 730
 731                         synfigapp::Action::Handle action(synfigapp::Action::create("WaypointSetSmart"));
 732
 733                         if(!action)
 734                         {
 735                                 get_canvas_view()->get_ui_interface()->error(_("Unable to find WaypointSetSmart action"));
 736                                 group.cancel();
 737                                 return;
 738                         }
 739
 740
 741                         action->set_param("canvas",get_canvas());
 742                         action->set_param("canvas_interface",get_canvas_interface());
 743                         action->set_param("value_node",ValueNode::Handle(value_node));
 744                         action->set_param("time",get_canvas()->get_time());
 745                         action->set_param("model",widget_waypoint_model.get_waypoint_model());
 746
 747                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 748                         {
 749                                 get_canvas_view()->get_ui_interface()->error(_("Unable to set a specific waypoint"));
 750                                 group.cancel();
 751                                 return;
 752                         }
 753                 }
 754                 else
 755                 {
 756                         //get_canvas_view()->get_ui_interface()->error(_("Unable to animate a specific valuedesc"));
 757                         //group.cancel();
 758                         //return;
 759                 }
 760
 761         }
 762 }
 763 */
 764
 765 Smach::event_result
 766 StateNormal_Context::event_multiple_ducks_clicked_handler(const Smach::event& /*x*/)
 767 {
 768         // synfig::info("STATE NORMAL: Received multiple duck click event");
 769
 770         //const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 771
 772         std::list<synfigapp::ValueDesc> value_desc_list;
 773
 774         // Create a list of value_descs associated with selection
 775         const DuckList selected_ducks(get_work_area()->get_selected_ducks());
 776         DuckList::const_iterator iter;
 777         for(iter=selected_ducks.begin();iter!=selected_ducks.end();++iter)
 778         {
 779                 synfigapp::ValueDesc value_desc((*iter)->get_value_desc());
 780
 781                 if(!value_desc.is_valid())
 782                         continue;
 783
 784                 if(value_desc.get_value_type()==ValueBase::TYPE_BLINEPOINT && value_desc.is_value_node() && ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()))
 785                 {
 786                         value_desc_list.push_back(
 787                                 synfigapp::ValueDesc(
 788                                         ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())
 789                                         ,ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())
 790                                                                ->get_link_index_from_name("point")
 791                                 )
 792                         );
 793                 }
 794                 else
 795                         value_desc_list.push_back(value_desc);
 796         }
 797
 798         Gtk::Menu *menu=manage(new Gtk::Menu());
 799         menu->signal_hide().connect(sigc::bind(sigc::ptr_fun(&delete_widget), menu));
 800
 801         canvas_view_->get_instance()->make_param_menu(menu,canvas_view_->get_canvas(),value_desc_list);
 802
 803         /*
 804         synfigapp::Action::ParamList param_list;
 805         param_list=get_canvas_interface()->generate_param_list(value_desc_list);
 806
 807         canvas_view_->add_actions_to_menu(menu, param_list,synfigapp::Action::CATEGORY_VALUEDESC|synfigapp::Action::CATEGORY_VALUENODE);
 808
 809         menu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Edit Waypoints"),
 810                 sigc::bind(
 811                         sigc::mem_fun(
 812                                 *this,
 813                                 &studio::StateNormal_Context::edit_several_waypoints
 814                         ),
 815                         value_desc_list
 816                 )
 817         ));
 818         */
 819         menu->popup(3,gtk_get_current_event_time());
 820
 821         return Smach::RESULT_ACCEPT;
 822 }
 823
 824