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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file childrentreestore.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 "childrentreestore.h"
  34 #include "iconcontroller.h"
  35 #include <gtkmm/button.h>
  36 #include <synfig/paramdesc.h>
  37 #include <ETL/clock>
  38
  39 class Profiler : private etl::clock
  40 {
  41         const std::string name;
  42 public:
  43         Profiler(const std::string& name):name(name) { reset(); }
  44         ~Profiler() { float time(operator()()); synfig::info("%s: took %f msec",name.c_str(),time*1000); }
  45 };
  46
  47 #endif
  48
  49 /* === U S I N G =========================================================== */
  50
  51 using namespace std;
  52 using namespace etl;
  53 using namespace synfig;
  54 using namespace studio;
  55
  56 /* === M A C R O S ========================================================= */
  57
  58 /* === G L O B A L S ======================================================= */
  59
  60 /* === P R O C E D U R E S ================================================= */
  61
  62 /* === M E T H O D S ======================================================= */
  63
  64 static ChildrenTreeStore::Model& ModelHack()
  65 {
  66         static ChildrenTreeStore::Model* model(0);
  67         if(!model)model=new ChildrenTreeStore::Model;
  68         return *model;
  69 }
  70
  71 ChildrenTreeStore::ChildrenTreeStore(etl::loose_handle<synfigapp::CanvasInterface> canvas_interface_):
  72         Gtk::TreeStore                  (ModelHack()),
  73         CanvasTreeStore                 (canvas_interface_)
  74 {
  75         canvas_row=*append();
  76         canvas_row[model.label]=_("Canvases");
  77         canvas_row[model.is_canvas] = false;
  78         canvas_row[model.is_value_node] = false;
  79
  80         value_node_row=*append();
  81         value_node_row[model.label]=_("ValueBase Nodes");
  82         value_node_row[model.is_canvas] = false;
  83         value_node_row[model.is_value_node] = false;
  84
  85         // Connect all the signals
  86         canvas_interface()->signal_value_node_changed().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_value_node_changed));
  87         canvas_interface()->signal_value_node_renamed().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_value_node_renamed));
  88         canvas_interface()->signal_value_node_added().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_value_node_added));
  89         canvas_interface()->signal_value_node_deleted().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_value_node_deleted));
  90         canvas_interface()->signal_value_node_replaced().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_value_node_replaced));
  91         canvas_interface()->signal_canvas_added().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_canvas_added));
  92         canvas_interface()->signal_canvas_removed().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_canvas_removed));
  93
  94         rebuild();
  95 }
  96
  97 ChildrenTreeStore::~ChildrenTreeStore()
  98 {
  99 }
 100
 101 Glib::RefPtr<ChildrenTreeStore>
 102 ChildrenTreeStore::create(etl::loose_handle<synfigapp::CanvasInterface> canvas_interface_)
 103 {
 104         return Glib::RefPtr<ChildrenTreeStore>(new ChildrenTreeStore(canvas_interface_));
 105 }
 106
 107 void
 108 ChildrenTreeStore::rebuild()
 109 {
 110         Profiler profiler("ChildrenTreeStore::rebuild()");
 111         rebuild_value_nodes();
 112         rebuild_canvases();
 113 }
 114
 115 void
 116 ChildrenTreeStore::refresh()
 117 {
 118         Profiler profiler("ChildrenTreeStore::refresh()");
 119         refresh_value_nodes();
 120         refresh_canvases();
 121 }
 122
 123 void
 124 ChildrenTreeStore::rebuild_value_nodes()
 125 {
 126         Gtk::TreeModel::Children children(value_node_row.children());
 127
 128         while(!children.empty())erase(children.begin());
 129
 130         clear_changed_queue();
 131
 132         std::for_each(
 133                 canvas_interface()->get_canvas()->value_node_list().rbegin(), canvas_interface()->get_canvas()->value_node_list().rend(),
 134                 sigc::mem_fun(*this, &studio::ChildrenTreeStore::on_value_node_added)
 135         );
 136 }
 137
 138 void
 139 ChildrenTreeStore::refresh_value_nodes()
 140 {
 141         Gtk::TreeModel::Children children(value_node_row.children());
 142
 143         Gtk::TreeModel::Children::iterator iter;
 144
 145         if(!children.empty())
 146                 for(iter = children.begin(); iter != children.end(); ++iter)
 147                 {
 148                         Gtk::TreeRow row=*iter;
 149                         //DEBUGPOINT();
 150                         refresh_row(row);
 151                 }
 152 }
 153
 154 void
 155 ChildrenTreeStore::rebuild_canvases()
 156 {
 157         Gtk::TreeModel::Children children(canvas_row.children());
 158
 159         while(!children.empty())erase(children.begin());
 160
 161         std::for_each(
 162                 canvas_interface()->get_canvas()->children().rbegin(), canvas_interface()->get_canvas()->children().rend(),
 163                 sigc::mem_fun(*this, &studio::ChildrenTreeStore::on_canvas_added)
 164         );
 165 }
 166
 167 void
 168 ChildrenTreeStore::refresh_canvases()
 169 {
 170         rebuild_canvases();
 171 }
 172
 173 void
 174 ChildrenTreeStore::refresh_row(Gtk::TreeModel::Row &row, bool /*do_children*/)
 175 {
 176         CanvasTreeStore::refresh_row(row,false);
 177
 178         if((bool)row[model.is_value_node])
 179         {
 180                 changed_set_.erase(row[model.value_node]);
 181         }
 182
 183 }
 184
 185 void
 186 ChildrenTreeStore::on_canvas_added(Canvas::Handle canvas)
 187 {
 188         Gtk::TreeRow row = *(prepend(canvas_row.children()));
 189
 190         row[model.icon] = Gtk::Button().render_icon(Gtk::StockID("synfig-canvas"),Gtk::ICON_SIZE_SMALL_TOOLBAR);
 191         row[model.id] = canvas->get_id();
 192         row[model.name] = canvas->get_name();
 193
 194         if(!canvas->get_id().empty())
 195                 row[model.label] = canvas->get_id();
 196         else
 197         if(!canvas->get_name().empty())
 198                 row[model.label] = canvas->get_name();
 199         else
 200                 row[model.label] = _("[Unnamed]");
 201
 202         row[model.canvas] = canvas;
 203         row[model.type] = _("Canvas");
 204         //row[model.is_canvas] = true;
 205         //row[model.is_value_node] = false;
 206 }
 207
 208 void
 209 ChildrenTreeStore::on_canvas_removed(Canvas::Handle /*canvas*/)
 210 {
 211         rebuild_canvases();
 212 }
 213
 214 void
 215 ChildrenTreeStore::on_value_node_added(ValueNode::Handle value_node)
 216 {
 217 //      if(value_node->get_id().find("Unnamed")!=String::npos)
 218 //              return;
 219
 220         Gtk::TreeRow row = *prepend(value_node_row.children());
 221
 222         set_row(row,synfigapp::ValueDesc(canvas_interface()->get_canvas(),value_node->get_id()),false);
 223 }
 224
 225 void
 226 ChildrenTreeStore::on_value_node_deleted(etl::handle<ValueNode> value_node)
 227 {
 228         Gtk::TreeIter iter;
 229         //int i(0);
 230
 231         if(find_first_value_node(value_node,iter))
 232         {
 233                 erase(iter);
 234         }
 235         //rebuild_value_nodes();
 236 }
 237
 238 bool
 239 ChildrenTreeStore::execute_changed_value_nodes()
 240 {
 241         Profiler profiler("ChildrenTreeStore::execute_changed_value_nodes()");
 242         DEBUGPOINT();
 243         if(!replaced_set_.empty())
 244                 rebuild_value_nodes();
 245
 246         etl::clock timer;
 247         timer.reset();
 248
 249         while(!changed_set_.empty())
 250         {
 251                 ValueNode::Handle value_node(*changed_set_.begin());
 252                 changed_set_.erase(value_node);
 253
 254                 Gtk::TreeIter iter;
 255
 256                 try
 257                 {
 258                         Gtk::TreeIter iter;
 259                         int i(0);
 260
 261                         if(!value_node->is_exported() && find_first_value_node(value_node,iter))
 262                         {
 263                                 rebuild_value_nodes();
 264                                 continue;
 265                         }
 266
 267                         if(value_node->is_exported() && find_first_value_node(value_node,iter)) do
 268                         {
 269                                 Gtk::TreeRow row(*iter);
 270                                 i++;
 271                                 refresh_row(row);
 272                         }while(find_next_value_node(value_node,iter));
 273
 274                         if(!i)
 275                         {
 276                                 refresh_value_nodes();
 277                                 return false;
 278                         }
 279
 280                 }
 281                 catch(...)
 282                 {
 283                         rebuild_value_nodes();
 284                         return false;
 285                 }
 286
 287                 // If we are taking too long...
 288                 if(timer()>4)
 289                 {
 290                         refresh_value_nodes();
 291                         return false;
 292                 }
 293         }
 294
 295         return false;
 296 }
 297
 298 void
 299 ChildrenTreeStore::on_value_node_changed(etl::handle<ValueNode> value_node)
 300 {
 301
 302         if(!value_node->is_exported())
 303                 return;
 304         changed_connection.disconnect();
 305 //      if(!execute_changed_queued())
 306 //              changed_connection=Glib::signal_idle().connect(sigc::mem_fun(*this,&ChildrenTreeStore::execute_changed_value_nodes));
 307         changed_connection=Glib::signal_timeout().connect(sigc::mem_fun(*this,&ChildrenTreeStore::execute_changed_value_nodes),150);
 308
 309         changed_set_.insert(value_node);
 310         /*
 311         try
 312         {
 313                 Gtk::TreeIter iter;
 314                 int i(0);
 315                 while(find_next_value_node(value_node,iter))
 316                 {
 317                         Gtk::TreeRow row(*iter);
 318                         i++;
 319                         refresh_row(row);
 320                 }
 321                 if(!i)
 322                 {
 323                         refresh_value_nodes();
 324                 }
 325         }
 326         catch(...)
 327         {
 328                 rebuild_value_nodes();
 329         }
 330         */
 331 }
 332
 333 void
 334 ChildrenTreeStore::on_value_node_renamed(etl::handle<ValueNode> value_node)
 335 {
 336         rebuild_value_nodes();
 337 }
 338
 339 void
 340 ChildrenTreeStore::on_value_node_replaced(synfig::ValueNode::Handle replaced_value_node,synfig::ValueNode::Handle /*new_value_node*/)
 341 {
 342         changed_connection.disconnect();
 343         //if(!execute_changed_queued())
 344 //              changed_connection=Glib::signal_idle().connect(sigc::mem_fun(*this,&ChildrenTreeStore::execute_changed_value_nodes));
 345                 changed_connection=Glib::signal_timeout().connect(sigc::mem_fun(*this,&ChildrenTreeStore::execute_changed_value_nodes),150);
 346
 347         replaced_set_.insert(replaced_value_node);
 348 }
 349
 350 void
 351 ChildrenTreeStore::set_value_impl(const Gtk::TreeModel::iterator& iter, int column, const Glib::ValueBase& value)
 352 {
 353         if(column>=get_n_columns_vfunc())
 354         {
 355                 g_warning("LayerTreeStore::set_value_impl: Bad column (%d)",column);
 356                 return;
 357         }
 358
 359         if(!g_value_type_compatible(G_VALUE_TYPE(value.gobj()),get_column_type_vfunc(column)))
 360         {
 361                 g_warning("LayerTreeStore::set_value_impl: Bad value type");
 362                 return;
 363         }
 364
 365         try
 366         {
 367                 if(column==model.value.index())
 368                 {
 369                         Glib::Value<synfig::ValueBase> x;
 370                         g_value_init(x.gobj(),model.value.type());
 371                         g_value_copy(value.gobj(),x.gobj());
 372
 373                         synfigapp::ValueDesc value_desc((*iter)[model.value_desc]);
 374                         if(value_desc)
 375                         {
 376                                 canvas_interface()->change_value(value_desc,x.get());
 377                                 row_changed(get_path(*iter),*iter);
 378                         }
 379
 380                         return;
 381                 }
 382                 else
 383                         CanvasTreeStore::set_value_impl(iter,column, value);
 384         }
 385         catch(std::exception x)
 386         {
 387                 g_warning(x.what());
 388         }
 389 }