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   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file layeractionmanager.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 "layeractionmanager.h"
  34 #include "layertree.h"
  35 #include <synfig/context.h>
  36 #include <synfigapp/action_param.h>
  37 #include "instance.h"
  38 #include <synfigapp/selectionmanager.h>
  39
  40 #include "general.h"
  41
  42 #endif
  43
  44 /* === U S I N G =========================================================== */
  45
  46 using namespace std;
  47 using namespace etl;
  48 using namespace synfig;
  49 using namespace studio;
  50
  51 static const guint no_prev_popup((guint)-1);
  52
  53 /* === M A C R O S ========================================================= */
  54
  55 //#define ONE_ACTION_GROUP 1
  56
  57 /* === G L O B A L S ======================================================= */
  58
  59 /* === P R O C E D U R E S ================================================= */
  60
  61 /* === M E T H O D S ======================================================= */
  62
  63 LayerActionManager::LayerActionManager():
  64         action_group_(Gtk::ActionGroup::create()),
  65         popup_id_(no_prev_popup),
  66         action_group_copy_paste(Gtk::ActionGroup::create()),
  67         queued(false)
  68 {
  69         action_cut_=Gtk::Action::create(
  70                 "cut",
  71                 Gtk::StockID("gtk-cut")
  72         );
  73         action_cut_->signal_activate().connect(
  74                 sigc::mem_fun(
  75                         *this,
  76                         &LayerActionManager::cut
  77                 )
  78         );
  79         action_copy_=Gtk::Action::create(
  80                 "copy",
  81                 Gtk::StockID("gtk-copy")
  82         );
  83         action_copy_->signal_activate().connect(
  84                 sigc::mem_fun(
  85                         *this,
  86                         &LayerActionManager::copy
  87                 )
  88         );
  89         action_paste_=Gtk::Action::create(
  90                 "paste",
  91                 Gtk::StockID("gtk-paste")
  92         );
  93         action_paste_->signal_activate().connect(
  94                 sigc::mem_fun(
  95                         *this,
  96                         &LayerActionManager::paste
  97                 )
  98         );
  99
 100
 101         action_amount_inc_=Gtk::Action::create(
 102                 "amount-inc",
 103                 Gtk::StockID("gtk-add"),
 104                 _("Increase Amount"),_("Increase Amount")
 105         );
 106         action_amount_inc_->signal_activate().connect(
 107                 sigc::mem_fun(
 108                         *this,
 109                         &LayerActionManager::amount_inc
 110                 )
 111         );
 112
 113         action_amount_dec_=Gtk::Action::create(
 114                 "amount-dec",
 115                 Gtk::StockID("gtk-remove"),
 116                 _("Decrease Amount"),_("Decrease Amount")
 117         );
 118         action_amount_dec_->signal_activate().connect(
 119                 sigc::mem_fun(
 120                         *this,
 121                         &LayerActionManager::amount_dec
 122                 )
 123         );
 124
 125         action_amount_=Gtk::Action::create(
 126                 "amount",
 127                 Gtk::StockID("gtk-index"),
 128                 _("Amount"),_("Amount")
 129         );
 130
 131         action_select_all_child_layers_=Gtk::Action::create(
 132                 "select-all-child-layers",
 133                 Gtk::StockID("synfig-select_all_child_layers"),
 134                 _("Select All Child Layers"),_("Select All Child Layers")
 135         );
 136         action_select_all_child_layers_->set_sensitive(false);
 137 }
 138
 139 LayerActionManager::~LayerActionManager()
 140 {
 141 }
 142
 143 void
 144 LayerActionManager::set_ui_manager(const Glib::RefPtr<Gtk::UIManager> &x)
 145 {
 146         clear();
 147
 148 #ifdef ONE_ACTION_GROUP
 149         if(ui_manager_) get_ui_manager()->remove_action_group(action_group_);
 150         ui_manager_=x;
 151         if(ui_manager_) get_ui_manager()->insert_action_group(action_group_);
 152 #else
 153         ui_manager_=x;
 154 #endif
 155 }
 156
 157 void
 158 LayerActionManager::set_layer_tree(LayerTree* x)
 159 {
 160         selection_changed_connection.disconnect();
 161         layer_tree_=x;
 162         if(layer_tree_)
 163         {
 164                 selection_changed_connection=layer_tree_->get_selection()->signal_changed().connect(
 165                         sigc::mem_fun(*this,&LayerActionManager::queue_refresh)
 166                 );
 167         }
 168 }
 169
 170 void
 171 LayerActionManager::set_canvas_interface(const etl::handle<synfigapp::CanvasInterface> &x)
 172 {
 173         canvas_interface_=x;
 174 }
 175
 176 void
 177 LayerActionManager::clear()
 178 {
 179         if(ui_manager_)
 180         {
 181                 // Clear out old stuff
 182                 if(popup_id_!=no_prev_popup)
 183                 {
 184                         get_ui_manager()->remove_ui(popup_id_);
 185                         if(action_group_)get_ui_manager()->ensure_update();
 186                         popup_id_=no_prev_popup;
 187                         if(action_group_)while(!action_group_->get_actions().empty())action_group_->remove(*action_group_->get_actions().begin());
 188 #ifdef ONE_ACTION_GROUP
 189 #else
 190                         if(action_group_)get_ui_manager()->remove_action_group(action_group_);
 191                         action_group_=Gtk::ActionGroup::create();
 192 #endif
 193                 }
 194         }
 195
 196         while(!update_connection_list.empty())
 197         {
 198                 update_connection_list.front().disconnect();
 199                 update_connection_list.pop_front();
 200         }
 201 }
 202
 203 void
 204 LayerActionManager::queue_refresh()
 205 {
 206         if(queued)
 207                 return;
 208
 209         //queue_refresh_connection.disconnect();
 210         queue_refresh_connection=Glib::signal_idle().connect(
 211                 sigc::bind_return(
 212                         sigc::mem_fun(*this,&LayerActionManager::refresh),
 213                         false
 214                 )
 215         );
 216
 217         queued=true;
 218 }
 219
 220 void
 221 LayerActionManager::refresh()
 222 {
 223         if(queued)
 224         {
 225                 queued=false;
 226                 //queue_refresh_connection.disconnect();
 227         }
 228
 229
 230         clear();
 231
 232         // Make sure we are ready
 233         if(!ui_manager_ || !layer_tree_ || !canvas_interface_)
 234         {
 235                 synfig::error("LayerActionManager::refresh(): Not ready!");
 236                 return;
 237         }
 238
 239         String ui_info;
 240
 241         action_paste_->set_sensitive(!clipboard_.empty());
 242         action_group_->add(action_paste_);
 243
 244         if(layer_tree_->get_selection()->count_selected_rows()!=0)
 245         {
 246                 bool multiple_selected(layer_tree_->get_selection()->count_selected_rows()>1);
 247                 Layer::Handle layer(layer_tree_->get_selected_layer());
 248
 249                 {
 250                         bool canvas_set(false);
 251                         synfigapp::Action::ParamList param_list;
 252                         param_list.add("time",get_canvas_interface()->get_time());
 253                         param_list.add("canvas_interface",get_canvas_interface());
 254                         {
 255                                 synfigapp::SelectionManager::LayerList layer_list(layer_tree_->get_selected_layers());
 256                                 synfigapp::SelectionManager::LayerList::iterator iter;
 257                                 action_copy_->set_sensitive(!layer_list.empty());
 258                                 action_cut_->set_sensitive(!layer_list.empty());
 259                                 action_group_->add(action_copy_);
 260                                 action_group_->add(action_cut_);
 261
 262                                 action_amount_inc_->set_sensitive(!layer_list.empty());
 263                                 action_amount_dec_->set_sensitive(!layer_list.empty());
 264                                 action_amount_->set_sensitive(!layer_list.empty());
 265                                 action_group_->add(action_amount_inc_);
 266                                 action_group_->add(action_amount_dec_);
 267                                 action_group_->add(action_amount_);
 268
 269                                 for(iter=layer_list.begin();iter!=layer_list.end();++iter)
 270                                 {
 271                                         update_connection_list.push_back(
 272                                                 (*iter)->signal_changed().connect(
 273                                                         sigc::mem_fun(*this, &LayerActionManager::queue_refresh)
 274                                                 )
 275                                         );
 276
 277                                         if(!canvas_set)
 278                                         {
 279                                                 param_list.add("canvas",Canvas::Handle((*iter)->get_canvas()));
 280                                                 canvas_set=true;
 281                                                 update_connection_list.push_back(
 282                                                         (*iter)->get_canvas()->signal_changed().connect(
 283                                                                 sigc::mem_fun(*this, &LayerActionManager::queue_refresh)
 284                                                         )
 285                                                 );
 286                                         }
 287                                         param_list.add("layer",Layer::Handle(*iter));
 288                                 }
 289                         }
 290
 291                         if(!multiple_selected && layer->get_name()=="PasteCanvas")
 292                         {
 293                                 if (select_all_child_layers_connection)
 294                                         select_all_child_layers_connection.disconnect();
 295
 296                                 select_all_child_layers_connection = action_select_all_child_layers_->signal_activate().connect(
 297                                         sigc::bind(sigc::mem_fun(*layer_tree_,
 298                                                                                          &studio::LayerTree::select_all_children_layers),
 299                                                            Layer::LooseHandle(layer)));
 300
 301                                 action_select_all_child_layers_->set_sensitive(true);
 302
 303                                 ui_info+="<menuitem action='select-all-child-layers'/>";
 304                         }
 305                         else
 306                                 action_select_all_child_layers_->set_sensitive(false);
 307
 308                         handle<studio::Instance>::cast_static(get_canvas_interface()->get_instance())->
 309                                 add_actions_to_group(action_group_, ui_info,   param_list, synfigapp::Action::CATEGORY_LAYER);
 310                 }
 311         }
 312
 313         ui_info=("<ui>"
 314                            "<popup action='menu-main'>"
 315                              "<menu action='menu-layer'>" +
 316                                    ui_info +
 317                                    "<separator/>"
 318                                "<menuitem action='cut' />"
 319                                    "<menuitem action='copy' />"
 320                                    "<menuitem action='paste' />"
 321                                    "<separator/>"
 322                              "</menu>"
 323                            "</popup>" +
 324                          "</ui>");
 325         popup_id_=get_ui_manager()->add_ui_from_string(ui_info);
 326 #ifdef ONE_ACTION_GROUP
 327 #else
 328         get_ui_manager()->insert_action_group(action_group_);
 329 #endif
 330 }
 331
 332 void
 333 LayerActionManager::cut()
 334 {
 335         copy();
 336         if(action_group_->get_action("action-layer_remove"))
 337                 action_group_->get_action("action-layer_remove")->activate();
 338 }
 339
 340 void
 341 LayerActionManager::copy()
 342 {
 343         synfigapp::SelectionManager::LayerList layer_list(layer_tree_->get_selected_layers());
 344         clipboard_.clear();
 345         synfig::GUID guid;
 346
 347         while(!layer_list.empty())
 348         {
 349                 clipboard_.push_back(layer_list.front()->clone(guid));
 350                 layer_list.pop_front();
 351         }
 352
 353         action_paste_->set_sensitive(!clipboard_.empty());
 354
 355         //queue_refresh();
 356 }
 357
 358 void
 359 LayerActionManager::paste()
 360 {
 361         synfig::GUID guid;
 362
 363         // Create the action group
 364         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Paste"));
 365
 366         Canvas::Handle canvas(get_canvas_interface()->get_canvas());
 367         int depth(0);
 368
 369         // we are temporarily using the layer to hold something
 370         Layer::Handle layer(layer_tree_->get_selected_layer());
 371         if(layer)
 372         {
 373                 depth=layer->get_depth();
 374                 canvas=layer->get_canvas();
 375         }
 376
 377         synfigapp::SelectionManager::LayerList layer_selection;
 378
 379         for(std::list<synfig::Layer::Handle>::iterator iter=clipboard_.begin();iter!=clipboard_.end();++iter)
 380         {
 381                 layer=(*iter)->clone(guid);
 382                 layer_selection.push_back(layer);
 383                 synfigapp::Action::Handle       action(synfigapp::Action::create("layer_add"));
 384
 385                 assert(action);
 386                 if(!action)
 387                         return;
 388
 389                 action->set_param("canvas",canvas);
 390                 action->set_param("canvas_interface",etl::loose_handle<synfigapp::CanvasInterface>(get_canvas_interface()));
 391                 action->set_param("new",layer);
 392
 393                 if(!action->is_ready())
 394                 {
 395                         return;
 396                 }
 397
 398                 if(!get_instance()->perform_action(action))
 399                 {
 400                         return;
 401                 }
 402
 403                 // synfig::info("DEPTH=%d",depth);
 404
 405                 // Action to move the layer (if necessary)
 406                 if(depth>0)
 407                 {
 408                         synfigapp::Action::Handle       action(synfigapp::Action::create("layer_move"));
 409
 410                         assert(action);
 411                         if(!action)
 412                                 return;
 413
 414                         action->set_param("canvas",canvas);
 415                         action->set_param("canvas_interface",etl::loose_handle<synfigapp::CanvasInterface>(get_canvas_interface()));
 416                         action->set_param("layer",layer);
 417                         action->set_param("new_index",depth);
 418
 419                         if(!action->is_ready())
 420                         {
 421                                 //get_ui_interface()->error(_("Move Action Not Ready"));
 422                                 //return 0;
 423                                 return;
 424                         }
 425
 426                         if(!get_instance()->perform_action(action))
 427                         {
 428                                 //get_ui_interface()->error(_("Move Action Not Ready"));
 429                                 //return 0;
 430                                 return;
 431                         }
 432                 }
 433                 depth++;
 434
 435                 // automatically export the Index parameter of Duplicate layers when pasting
 436                 int index = 1;
 437                 export_dup_nodes(layer, canvas, index);
 438         }
 439         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 440         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 441 }
 442
 443 void
 444 LayerActionManager::export_dup_nodes(synfig::Layer::Handle layer, Canvas::Handle canvas, int &index)
 445 {
 446         // automatically export the Index parameter of Duplicate layers when pasting
 447         if (layer->get_name() == "duplicate")
 448                 while (true)
 449                 {
 450                         String name = strprintf(_("Index %d"), index++);
 451                         try
 452                         {
 453                                 canvas->find_value_node(name);
 454                         }
 455                         catch (Exception::IDNotFound x)
 456                         {
 457                                 get_canvas_interface()->add_value_node(layer->dynamic_param_list().find("index")->second, name);
 458                                 break;
 459                         }
 460                 }
 461         else
 462         {
 463                 Layer::ParamList param_list(layer->get_param_list());
 464                 for (Layer::ParamList::const_iterator iter(param_list.begin())
 465                                  ; iter != param_list.end()
 466                                  ; iter++)
 467                         if (layer->dynamic_param_list().count(iter->first)==0 && iter->second.get_type()==ValueBase::TYPE_CANVAS)
 468                         {
 469                                 Canvas::Handle subcanvas(iter->second.get(Canvas::Handle()));
 470                                 if (subcanvas && subcanvas->is_inline())
 471                                         for (Context iter = subcanvas->get_context(); iter != subcanvas->end(); iter++)
 472                                                 export_dup_nodes(*iter, canvas, index);
 473                         }
 474
 475                 for (Layer::DynamicParamList::const_iterator iter(layer->dynamic_param_list().begin())
 476                                  ; iter != layer->dynamic_param_list().end()
 477                                  ; iter++)
 478                         if (iter->second->get_type()==ValueBase::TYPE_CANVAS)
 479                         {
 480                                 Canvas::Handle canvas((*iter->second)(0).get(Canvas::Handle()));
 481                                 if (canvas->is_inline())
 482                                         //! \todo do we need to implement this?  and if so, shouldn't we check all canvases, not just the one at t=0s?
 483                                         warning("%s:%d not yet implemented - do we need to export duplicate valuenodes in dynamic canvas parameters?", __FILE__, __LINE__);
 484                         }
 485         }
 486 }
 487
 488 void
 489 LayerActionManager::amount_inc()
 490 {
 491         float adjust(0.1);
 492
 493         // Create the action group
 494         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Increase Amount"));
 495         synfigapp::SelectionManager::LayerList layer_list(layer_tree_->get_selected_layers());
 496
 497         for (; !layer_list.empty(); layer_list.pop_front())
 498         {
 499                 ValueBase value(layer_list.front()->get_param("amount"));
 500                 if(value.same_type_as(Real()))
 501                         get_canvas_interface()->change_value(synfigapp::ValueDesc(layer_list.front(),"amount"),value.get(Real())+adjust);
 502         }
 503 }
 504
 505 void
 506 LayerActionManager::amount_dec()
 507 {
 508         float adjust(-0.1);
 509
 510         // Create the action group
 511         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Decrease Amount"));
 512         synfigapp::SelectionManager::LayerList layer_list(layer_tree_->get_selected_layers());
 513
 514         for (; !layer_list.empty(); layer_list.pop_front())
 515         {
 516                 ValueBase value(layer_list.front()->get_param("amount"));
 517                 if(value.same_type_as(Real()))
 518                         get_canvas_interface()->change_value(synfigapp::ValueDesc(layer_list.front(),"amount"),value.get(Real())+adjust);
 519         }
 520 }