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

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