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