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 #include "general.h"
  40
  41 class Profiler : private etl::clock
  42 {
  43         const std::string name;
  44 public:
  45         Profiler(const std::string& name):name(name) { reset(); }
  46         ~Profiler() { float time(operator()()); synfig::info("%s: took %f msec",name.c_str(),time*1000); }
  47 };
  48
  49 #endif
  50
  51 /* === U S I N G =========================================================== */
  52
  53 using namespace std;
  54 using namespace etl;
  55 using namespace synfig;
  56 using namespace studio;
  57
  58 /* === M A C R O S ========================================================= */
  59
  60 /* === G L O B A L S ======================================================= */
  61
  62 /* === P R O C E D U R E S ================================================= */
  63
  64 /* === M E T H O D S ======================================================= */
  65
  66 static ChildrenTreeStore::Model& ModelHack()
  67 {
  68         static ChildrenTreeStore::Model* model(0);
  69         if(!model)model=new ChildrenTreeStore::Model;
  70         return *model;
  71 }
  72
  73 ChildrenTreeStore::ChildrenTreeStore(etl::loose_handle<synfigapp::CanvasInterface> canvas_interface_):
  74         Gtk::TreeStore                  (ModelHack()),
  75         CanvasTreeStore                 (canvas_interface_)
  76 {
  77         canvas_row=*append();
  78         canvas_row[model.label]=_("Canvases");
  79         canvas_row[model.is_canvas] = false;
  80         canvas_row[model.is_value_node] = false;
  81
  82         value_node_row=*append();
  83         value_node_row[model.label]=_("ValueBase Nodes");
  84         value_node_row[model.is_canvas] = false;
  85         value_node_row[model.is_value_node] = false;
  86
  87         // Connect all the signals
  88         canvas_interface()->signal_value_node_changed().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_value_node_changed));
  89         canvas_interface()->signal_value_node_renamed().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_value_node_renamed));
  90         canvas_interface()->signal_value_node_added().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_value_node_added));
  91         canvas_interface()->signal_value_node_deleted().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_value_node_deleted));
  92         canvas_interface()->signal_value_node_replaced().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_value_node_replaced));
  93         canvas_interface()->signal_canvas_added().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_canvas_added));
  94         canvas_interface()->signal_canvas_removed().connect(sigc::mem_fun(*this,&studio::ChildrenTreeStore::on_canvas_removed));
  95
  96         rebuild();
  97 }
  98
  99 ChildrenTreeStore::~ChildrenTreeStore()
 100 {
 101 }
 102
 103 Glib::RefPtr<ChildrenTreeStore>
 104 ChildrenTreeStore::create(etl::loose_handle<synfigapp::CanvasInterface> canvas_interface_)
 105 {
 106         return Glib::RefPtr<ChildrenTreeStore>(new ChildrenTreeStore(canvas_interface_));
 107 }
 108
 109 void
 110 ChildrenTreeStore::rebuild()
 111 {
 112         Profiler profiler("ChildrenTreeStore::rebuild()");
 113         rebuild_value_nodes();
 114         rebuild_canvases();
 115 }
 116
 117 void
 118 ChildrenTreeStore::refresh()
 119 {
 120         Profiler profiler("ChildrenTreeStore::refresh()");
 121         refresh_value_nodes();
 122         refresh_canvases();
 123 }
 124
 125 void
 126 ChildrenTreeStore::rebuild_value_nodes()
 127 {
 128         Gtk::TreeModel::Children children(value_node_row.children());
 129
 130         while(!children.empty())erase(children.begin());
 131
 132         clear_changed_queue();
 133
 134         std::for_each(
 135                 canvas_interface()->get_canvas()->value_node_list().rbegin(), canvas_interface()->get_canvas()->value_node_list().rend(),
 136                 sigc::mem_fun(*this, &studio::ChildrenTreeStore::on_value_node_added)
 137         );
 138 }
 139
 140 void
 141 ChildrenTreeStore::refresh_value_nodes()
 142 {
 143         Gtk::TreeModel::Children children(value_node_row.children());
 144
 145         Gtk::TreeModel::Children::iterator iter;
 146
 147         if(!children.empty())
 148                 for(iter = children.begin(); iter != children.end(); ++iter)
 149                 {
 150                         Gtk::TreeRow row=*iter;
 151                         //DEBUGPOINT();
 152                         refresh_row(row);
 153                 }
 154 }
 155
 156 void
 157 ChildrenTreeStore::rebuild_canvases()
 158 {
 159         Gtk::TreeModel::Children children(canvas_row.children());
 160
 161         while(!children.empty())erase(children.begin());
 162
 163         std::for_each(
 164                 canvas_interface()->get_canvas()->children().rbegin(), canvas_interface()->get_canvas()->children().rend(),
 165                 sigc::mem_fun(*this, &studio::ChildrenTreeStore::on_canvas_added)
 166         );
 167 }
 168
 169 void
 170 ChildrenTreeStore::refresh_canvases()
 171 {
 172         rebuild_canvases();
 173 }
 174
 175 void
 176 ChildrenTreeStore::refresh_row(Gtk::TreeModel::Row &row, bool /*do_children*/)
 177 {
 178         CanvasTreeStore::refresh_row(row,false);
 179
 180         if((bool)row[model.is_value_node])
 181         {
 182                 changed_set_.erase(row[model.value_node]);
 183         }
 184
 185 }
 186
 187 void
 188 ChildrenTreeStore::on_canvas_added(synfig::Canvas::Handle canvas)
 189 {
 190         Gtk::TreeRow row = *(prepend(canvas_row.children()));
 191
 192         row[model.icon] = Gtk::Button().render_icon(Gtk::StockID("synfig-canvas"),Gtk::ICON_SIZE_SMALL_TOOLBAR);
 193         row[model.id] = canvas->get_id();
 194         row[model.name] = canvas->get_name();
 195
 196         if(!canvas->get_id().empty())
 197                 row[model.label] = canvas->get_id();
 198         else
 199         if(!canvas->get_name().empty())
 200                 row[model.label] = canvas->get_name();
 201         else
 202                 row[model.label] = _("[Unnamed]");
 203
 204         row[model.canvas] = canvas;
 205         row[model.type] = _("Canvas");
 206         //row[model.is_canvas] = true;
 207         //row[model.is_value_node] = false;
 208 }
 209
 210 void
 211 ChildrenTreeStore::on_canvas_removed(synfig::Canvas::Handle /*canvas*/)
 212 {
 213         rebuild_canvases();
 214 }
 215
 216 void
 217 ChildrenTreeStore::on_value_node_added(synfig::ValueNode::Handle value_node)
 218 {
 219 //      if(value_node->get_id().find("Unnamed")!=String::npos)
 220 //              return;
 221
 222         Gtk::TreeRow row = *prepend(value_node_row.children());
 223
 224         set_row(row,synfigapp::ValueDesc(canvas_interface()->get_canvas(),value_node->get_id()),false);
 225 }
 226
 227 void
 228 ChildrenTreeStore::on_value_node_deleted(synfig::ValueNode::Handle value_node)
 229 {
 230         Gtk::TreeIter iter;
 231         //int i(0);
 232
 233         if(find_first_value_node(value_node,iter))
 234         {
 235                 erase(iter);
 236         }
 237         //rebuild_value_nodes();
 238 }
 239
 240 bool
 241 ChildrenTreeStore::execute_changed_value_nodes()
 242 {
 243         Profiler profiler("ChildrenTreeStore::execute_changed_value_nodes()");
 244         DEBUGPOINT();
 245         if(!replaced_set_.empty())
 246                 rebuild_value_nodes();
 247
 248         etl::clock timer;
 249         timer.reset();
 250
 251         while(!changed_set_.empty())
 252         {
 253                 ValueNode::Handle value_node(*changed_set_.begin());
 254                 changed_set_.erase(value_node);
 255
 256                 Gtk::TreeIter iter;
 257
 258                 try
 259                 {
 260                         Gtk::TreeIter iter;
 261                         int i(0);
 262
 263                         if(!value_node->is_exported() && find_first_value_node(value_node,iter))
 264                         {
 265                                 rebuild_value_nodes();
 266                                 continue;
 267                         }
 268
 269                         if(value_node->is_exported() && find_first_value_node(value_node,iter)) do
 270                         {
 271                                 Gtk::TreeRow row(*iter);
 272                                 i++;
 273                                 refresh_row(row);
 274                         }while(find_next_value_node(value_node,iter));
 275
 276                         if(!i)
 277                         {
 278                                 refresh_value_nodes();
 279                                 return false;
 280                         }
 281
 282                 }
 283                 catch(...)
 284                 {
 285                         rebuild_value_nodes();
 286                         return false;
 287                 }
 288
 289                 // If we are taking too long...
 290                 if(timer()>4)
 291                 {
 292                         refresh_value_nodes();
 293                         return false;
 294                 }
 295         }
 296
 297         return false;
 298 }
 299
 300 void
 301 ChildrenTreeStore::on_value_node_changed(synfig::ValueNode::Handle value_node)
 302 {
 303
 304         if(!value_node->is_exported())
 305                 return;
 306         changed_connection.disconnect();
 307 //      if(!execute_changed_queued())
 308 //              changed_connection=Glib::signal_idle().connect(sigc::mem_fun(*this,&ChildrenTreeStore::execute_changed_value_nodes));
 309         changed_connection=Glib::signal_timeout().connect(sigc::mem_fun(*this,&ChildrenTreeStore::execute_changed_value_nodes),150);
 310
 311         changed_set_.insert(value_node);
 312         /*
 313         try
 314         {
 315                 Gtk::TreeIter iter;
 316                 int i(0);
 317                 while(find_next_value_node(value_node,iter))
 318                 {
 319                         Gtk::TreeRow row(*iter);
 320                         i++;
 321                         refresh_row(row);
 322                 }
 323                 if(!i)
 324                 {
 325                         refresh_value_nodes();
 326                 }
 327         }
 328         catch(...)
 329         {
 330                 rebuild_value_nodes();
 331         }
 332         */
 333 }
 334
 335 void
 336 ChildrenTreeStore::on_value_node_renamed(synfig::ValueNode::Handle value_node)
 337 {
 338         rebuild_value_nodes();
 339 }
 340
 341 void
 342 ChildrenTreeStore::on_value_node_replaced(synfig::ValueNode::Handle replaced_value_node,synfig::ValueNode::Handle /*new_value_node*/)
 343 {
 344         changed_connection.disconnect();
 345         //if(!execute_changed_queued())
 346 //              changed_connection=Glib::signal_idle().connect(sigc::mem_fun(*this,&ChildrenTreeStore::execute_changed_value_nodes));
 347                 changed_connection=Glib::signal_timeout().connect(sigc::mem_fun(*this,&ChildrenTreeStore::execute_changed_value_nodes),150);
 348
 349         replaced_set_.insert(replaced_value_node);
 350 }
 351
 352 void
 353 ChildrenTreeStore::set_value_impl(const Gtk::TreeModel::iterator& iter, int column, const Glib::ValueBase& value)
 354 {
 355         if(column>=get_n_columns_vfunc())
 356         {
 357                 g_warning("LayerTreeStore::set_value_impl: Bad column (%d)",column);
 358                 return;
 359         }
 360
 361         if(!g_value_type_compatible(G_VALUE_TYPE(value.gobj()),get_column_type_vfunc(column)))
 362         {
 363                 g_warning("LayerTreeStore::set_value_impl: Bad value type");
 364                 return;
 365         }
 366
 367         try
 368         {
 369                 if(column==model.value.index())
 370                 {
 371                         Glib::Value<synfig::ValueBase> x;
 372                         g_value_init(x.gobj(),model.value.type());
 373                         g_value_copy(value.gobj(),x.gobj());
 374
 375                         synfigapp::ValueDesc value_desc((*iter)[model.value_desc]);
 376                         if(value_desc)
 377                         {
 378                                 canvas_interface()->change_value(value_desc,x.get());
 379                                 row_changed(get_path(*iter),*iter);
 380                         }
 381
 382                         return;
 383                 }
 384                 else
 385                         CanvasTreeStore::set_value_impl(iter,column, value);
 386         }
 387         catch(std::exception x)
 388         {
 389                 g_warning(x.what());
 390         }
 391 }