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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file canvastreestore.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) 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 "canvastreestore.h"
  34 #include <synfig/valuenode.h>
  35 #include "iconcontroller.h"
  36 #include <synfig/valuenode_timedswap.h>
  37 #include <synfig/valuenode_animated.h>
  38 #include <gtkmm/button.h>
  39 #include <synfigapp/instance.h>
  40 #include "cellrenderer_value.h"
  41 #include "cellrenderer_timetrack.h"
  42 #include <ETL/clock>
  43
  44 #include "general.h"
  45
  46 #endif
  47
  48 /* === U S I N G =========================================================== */
  49
  50 using namespace std;
  51 using namespace etl;
  52 using namespace synfig;
  53 using namespace studio;
  54
  55 /* === M A C R O S ========================================================= */
  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 static CanvasTreeStore::Model& ModelHack()
  64 {
  65         static CanvasTreeStore::Model* model(0);
  66         if(!model)model=new CanvasTreeStore::Model;
  67         return *model;
  68 }
  69
  70 CanvasTreeStore::CanvasTreeStore(etl::loose_handle<synfigapp::CanvasInterface> canvas_interface_):
  71         Gtk::TreeStore(ModelHack()),
  72         canvas_interface_               (canvas_interface_)
  73 {
  74 }
  75
  76 CanvasTreeStore::~CanvasTreeStore()
  77 {
  78 }
  79
  80 void
  81 CanvasTreeStore::get_value_vfunc(const Gtk::TreeModel::iterator& iter, int column, Glib::ValueBase& value)const
  82 {
  83         if(column==model.value.index())
  84         {
  85                 synfigapp::ValueDesc value_desc((*iter)[model.value_desc]);
  86
  87                 Glib::Value<synfig::ValueBase> x;
  88                 g_value_init(x.gobj(),x.value_type());
  89
  90                 if(!value_desc)
  91                 {
  92                         x.set(ValueBase());
  93                 }
  94                 else
  95                 if(value_desc.is_const())
  96                         x.set(value_desc.get_value());
  97                 else
  98                 if(value_desc.is_value_node())
  99                         x.set((*value_desc.get_value_node())(canvas_interface()->get_time()));
 100                 else
 101                 {
 102                         synfig::error(__FILE__":%d: Unable to figure out value",__LINE__);
 103                         return;
 104                 }
 105
 106                 g_value_init(value.gobj(),x.value_type());
 107                 g_value_copy(x.gobj(),value.gobj());
 108         }
 109         else
 110         if(column==model.is_value_node.index())
 111         {
 112                 synfigapp::ValueDesc value_desc((*iter)[model.value_desc]);
 113
 114                 Glib::Value<bool> x;
 115                 g_value_init(x.gobj(),x.value_type());
 116
 117                 x.set(value_desc && value_desc.is_value_node());
 118
 119                 g_value_init(value.gobj(),x.value_type());
 120                 g_value_copy(x.gobj(),value.gobj());
 121         }
 122         else
 123         if(column==model.is_shared.index())
 124         {
 125                 synfigapp::ValueDesc value_desc((*iter)[model.value_desc]);
 126
 127                 Glib::Value<bool> x;
 128                 g_value_init(x.gobj(),x.value_type());
 129
 130                 x.set(value_desc.is_value_node() && value_desc.get_value_node()->rcount()>1);
 131
 132                 g_value_init(value.gobj(),x.value_type());
 133                 g_value_copy(x.gobj(),value.gobj());
 134         }
 135         else
 136         if(column==model.is_exported.index())
 137         {
 138                 synfigapp::ValueDesc value_desc((*iter)[model.value_desc]);
 139
 140                 Glib::Value<bool> x;
 141                 g_value_init(x.gobj(),x.value_type());
 142
 143                 x.set(value_desc.is_value_node() && value_desc.get_value_node()->is_exported());
 144
 145                 g_value_init(value.gobj(),x.value_type());
 146                 g_value_copy(x.gobj(),value.gobj());
 147         }
 148         else
 149         if(column==model.is_canvas.index())
 150         {
 151                 synfigapp::ValueDesc value_desc((*iter)[model.value_desc]);
 152
 153                 Glib::Value<bool> x;
 154                 g_value_init(x.gobj(),x.value_type());
 155
 156                 x.set(!value_desc && (Canvas::Handle)(*iter)[model.canvas]);
 157
 158                 g_value_init(value.gobj(),x.value_type());
 159                 g_value_copy(x.gobj(),value.gobj());
 160         }
 161         else
 162         if(column==model.id.index())
 163         {
 164                 synfigapp::ValueDesc value_desc((*iter)[model.value_desc]);
 165
 166                 Glib::Value<Glib::ustring> x;
 167                 g_value_init(x.gobj(),x.value_type());
 168
 169                 if(value_desc && value_desc.is_value_node())
 170                         x.set(value_desc.get_value_node()->get_id());
 171                 else if(!value_desc && Canvas::Handle((*iter)[model.canvas]))
 172                         x.set(Canvas::Handle((*iter)[model.canvas])->get_id());
 173                 else
 174                         return Gtk::TreeStore::get_value_vfunc(iter,column,value);
 175
 176                 g_value_init(value.gobj(),x.value_type());
 177                 g_value_copy(x.gobj(),value.gobj());
 178         }
 179         else
 180         if(column==model.is_editable.index())
 181         {
 182                 synfigapp::ValueDesc value_desc((*iter)[model.value_desc]);
 183
 184                 Glib::Value<bool> x;
 185                 g_value_init(x.gobj(),x.value_type());
 186
 187                 x.set(!value_desc.is_value_node() || synfigapp::is_editable(value_desc.get_value_node()));
 188
 189                 g_value_init(value.gobj(),x.value_type());
 190                 g_value_copy(x.gobj(),value.gobj());
 191         }
 192         else
 193         if(column==model.type.index())
 194         {
 195                 synfigapp::ValueDesc value_desc((*iter)[model.value_desc]);
 196
 197                 Glib::Value<Glib::ustring> x;
 198                 g_value_init(x.gobj(),x.value_type());
 199
 200                 // Set the type
 201                 if(!value_desc)
 202                 {
 203                         if((*iter)[model.is_canvas])
 204                                 x.set(_("Canvas"));
 205                 }
 206                 else
 207                 {
 208                         if(!value_desc.is_value_node() || value_desc.get_value_node()->get_name()=="constant")
 209                         {
 210                                 x.set(ValueBase::type_local_name(value_desc.get_value_type()));
 211                         }
 212                         else
 213                         {
 214                                 x.set(value_desc.get_value_node()->get_local_name());
 215                         }
 216                 }
 217
 218                 g_value_init(value.gobj(),x.value_type());
 219                 g_value_copy(x.gobj(),value.gobj());
 220         }
 221         else
 222         if(column==model.label.index())
 223         {
 224                 synfigapp::ValueDesc value_desc((*iter)[model.value_desc]);
 225
 226                 Glib::Value<Glib::ustring> x;
 227                 g_value_init(x.gobj(),x.value_type());
 228
 229                 // Set the type
 230                 if(!value_desc)
 231                 {
 232                         Canvas::Handle canvas((*iter)[model.canvas]);
 233                         if(canvas)
 234                         {
 235                                 if(!canvas->get_id().empty())
 236                                         x.set(canvas->get_id());
 237                                 else
 238                                 if(!canvas->get_name().empty())
 239                                         x.set(canvas->get_name());
 240                                 else
 241                                         x.set(_("[Unnamed]"));
 242                                 x.set(_("Canvas"));
 243                         }
 244                         return Gtk::TreeStore::get_value_vfunc(iter,column,value);
 245                 }
 246                 else
 247                 {
 248                         ValueNode::Handle value_node=value_desc.get_value_node();
 249
 250                         // Setup the row's label
 251                         if(value_node->get_id().empty())
 252                                 x.set(Glib::ustring((*iter)[model.name]));
 253                         else if(Glib::ustring((*iter)[model.name]).empty())
 254                                 x.set(value_node->get_id());
 255                         else
 256                                 x.set(Glib::ustring((*iter)[model.name])+" ("+value_node->get_id()+')');
 257                 }
 258
 259                 g_value_init(value.gobj(),x.value_type());
 260                 g_value_copy(x.gobj(),value.gobj());
 261         }
 262         else
 263         if(column==model.icon.index())
 264         {
 265                 synfigapp::ValueDesc value_desc((*iter)[model.value_desc]);
 266                 if(!value_desc)
 267                         return Gtk::TreeStore::get_value_vfunc(iter,column,value);
 268
 269                 Glib::Value<Glib::RefPtr<Gdk::Pixbuf> > x;
 270                 g_value_init(x.gobj(),x.value_type());
 271
 272                 x.set(get_tree_pixbuf(value_desc.get_value_type()));
 273
 274                 g_value_init(value.gobj(),x.value_type());
 275                 g_value_copy(x.gobj(),value.gobj());
 276         }
 277         else
 278                 Gtk::TreeStore::get_value_vfunc(iter,column,value);
 279 }
 280
 281 bool
 282 CanvasTreeStore::find_first_value_desc(const synfigapp::ValueDesc& value_desc, Gtk::TreeIter& iter)
 283 {
 284         iter=children().begin();
 285         while(iter && value_desc!=(*iter)[model.value_desc])
 286         {
 287                 if(!iter->children().empty())
 288                 {
 289                         Gtk::TreeIter iter2(iter->children().begin());
 290                         //! \todo confirm that the && should be done before the ||
 291                         if((iter2 && value_desc==(*iter2)[model.value_desc]) || find_next_value_desc(value_desc, iter2))
 292                         {
 293                                 iter=iter2;
 294                                 return true;
 295                         }
 296                 }
 297                 Gtk::TreeIter iter2(++iter);
 298                 if(!iter2)
 299                         iter==iter->parent();
 300                 else
 301                         iter=iter2;
 302         }
 303         return (bool)iter && value_desc==(*iter)[model.value_desc];
 304 }
 305
 306 bool
 307 CanvasTreeStore::find_next_value_desc(const synfigapp::ValueDesc& value_desc, Gtk::TreeIter& iter)
 308 {
 309         if(!iter) return find_first_value_desc(value_desc,iter);
 310
 311         if(iter) do {
 312                 if(!iter->children().empty())
 313                 {
 314                         Gtk::TreeIter iter2(iter->children().begin());
 315                         //! \todo confirm that the && should be done before the ||
 316                         if((iter2 && value_desc==(*iter2)[model.value_desc]) || find_next_value_desc(value_desc, iter2))
 317                         {
 318                                 iter=iter2;
 319                                 return true;
 320                         }
 321                 }
 322                 Gtk::TreeIter iter2(++iter);
 323                 if(!iter2)
 324                 {
 325                         iter==iter->parent();
 326                         if(iter)++iter;
 327                 }
 328                 else
 329                         iter=iter2;
 330         } while(iter && value_desc!=(*iter)[model.value_desc]);
 331         return (bool)iter && value_desc==(*iter)[model.value_desc];
 332 }
 333
 334 bool
 335 CanvasTreeStore::find_first_value_node(const synfig::ValueNode::Handle& value_node, Gtk::TreeIter& iter)
 336 {
 337         iter=children().begin();
 338         while(iter && value_node!=(ValueNode::Handle)(*iter)[model.value_node])
 339         {
 340                 if(!iter->children().empty())
 341                 {
 342                         Gtk::TreeIter iter2(iter->children().begin());
 343                         //! \todo confirm that the && should be done before the ||
 344                         if((iter2 && value_node==(ValueNode::Handle)(*iter2)[model.value_node]) || find_next_value_node(value_node, iter2))
 345                         {
 346                                 iter=iter2;
 347                                 return true;
 348                         }
 349                 }
 350                 Gtk::TreeIter iter2(++iter);
 351                 if(!iter2)
 352                         iter==iter->parent();
 353                 else
 354                         iter=iter2;
 355         }
 356         return (bool)iter && value_node==(ValueNode::Handle)(*iter)[model.value_node];
 357 }
 358
 359 bool
 360 CanvasTreeStore::find_next_value_node(const synfig::ValueNode::Handle& value_node, Gtk::TreeIter& iter)
 361 {
 362         if(!iter) return find_first_value_node(value_node,iter);
 363
 364         if(iter) do {
 365                 if(!iter->children().empty())
 366                 {
 367                         Gtk::TreeIter iter2(iter->children().begin());
 368                         //! \todo confirm that the && should be done before the ||
 369                         if((iter2 && value_node==(ValueNode::Handle)(*iter2)[model.value_node]) || find_next_value_node(value_node, iter2))
 370                         {
 371                                 iter=iter2;
 372                                 return true;
 373                         }
 374                 }
 375                 Gtk::TreeIter iter2(++iter);
 376                 if(!iter2)
 377                 {
 378                         iter==iter->parent();
 379                         if(iter)++iter;
 380                 }
 381                 else
 382                         iter=iter2;
 383         } while(iter && value_node!=(ValueNode::Handle)(*iter)[model.value_node]);
 384         return (bool)iter && value_node==(ValueNode::Handle)(*iter)[model.value_node];
 385 }
 386
 387 void
 388 CanvasTreeStore::set_row(Gtk::TreeRow row,synfigapp::ValueDesc value_desc, bool do_children)
 389 {
 390         Gtk::TreeModel::Children children = row.children();
 391         while(!children.empty() && erase(children.begin()))
 392                 ;
 393
 394         row[model.value_desc]=value_desc;
 395         try
 396         {
 397                 //row[model.icon] = get_tree_pixbuf(value_desc.get_value_type());
 398
 399                 if(value_desc.is_value_node())
 400                 {
 401                         ValueNode::Handle value_node=value_desc.get_value_node();
 402
 403                         assert(value_node);
 404
 405                         row[model.value_node] = value_node;
 406                         //row[model.is_canvas] = false;
 407                         //row[model.is_value_node] = true;
 408                         //row[model.is_editable] = synfigapp::is_editable(value_node);
 409                         //row[model.id]=value_node->get_id();
 410
 411                         // Set the canvas
 412                         if(value_desc.parent_is_canvas())
 413                                 row[model.canvas]=value_desc.get_canvas();
 414                         else
 415                                 row[model.canvas]=canvas_interface()->get_canvas();
 416
 417                         LinkableValueNode::Handle linkable;
 418                         linkable=LinkableValueNode::Handle::cast_dynamic(value_node);
 419
 420                         if(linkable && do_children)
 421                         {
 422                                 row[model.link_count] = linkable->link_count();
 423                                 for(int i=0;i<linkable->link_count();i++)
 424                                 {
 425                                         Gtk::TreeRow child_row=*(append(row.children()));
 426                                         child_row[model.link_id] = i;
 427                                         child_row[model.canvas] = static_cast<Canvas::Handle>(row[model.canvas]);
 428                                         child_row[model.name] = linkable->link_local_name(i);
 429                                         set_row(child_row,synfigapp::ValueDesc(linkable,i));
 430                                 }
 431                         }
 432                         return;
 433                 }
 434                 else
 435                 {
 436                         //row[model.is_value_node] = false;
 437                         //row[model.is_editable] = true;
 438                         //row[model.label] = Glib::ustring(row[model.name]);
 439                         return;
 440                 }
 441         }
 442         catch(synfig::Exception::IDNotFound x)
 443         {
 444                 synfig::error(__FILE__":%d: IDNotFound thrown",__LINE__);
 445                 erase(row);
 446                 return;
 447         }
 448
 449         // We should never get to this point
 450         assert(0);
 451 }
 452
 453 void
 454 CanvasTreeStore::refresh_row(Gtk::TreeModel::Row &row, bool do_children)
 455 {
 456         synfigapp::ValueDesc value_desc=row[model.value_desc];
 457
 458         if(value_desc)
 459         {
 460                 if((bool)row[model.is_value_node] != value_desc.is_value_node() ||
 461                         (!bool(row[model.is_value_node]) && row[model.link_count]!=0))
 462                 {
 463                         set_row(row,value_desc,do_children);
 464                         return;
 465                 }
 466
 467                 if(row[model.is_value_node])
 468                 {
 469                         ValueNode::Handle value_node(value_desc.get_value_node());
 470
 471                         if(ValueNode::Handle(row[model.value_node])!=value_node)
 472                         {
 473                                 rebuild_row(row,do_children);
 474                                 return;
 475                         }
 476
 477                         //row[model.id]=value_node->get_id();
 478
 479                         // Setup the row's label
 480                         /*
 481                         if(value_node->get_id().empty())
 482                                 row[model.label] = Glib::ustring(row[model.name]);
 483                         else if(Glib::ustring(row[model.name]).empty())
 484                                 row[model.label] = value_node->get_id();
 485                         else
 486                                 row[model.label] = Glib::ustring(row[model.name])+" ("+value_node->get_id()+')';
 487                         */
 488
 489                         LinkableValueNode::Handle linkable;
 490                         linkable=LinkableValueNode::Handle::cast_dynamic(value_node);
 491                         if(do_children && linkable && ((int)row[model.link_count] != linkable->link_count()))
 492                         {
 493         //                      Gtk::TreeModel::Children children = row.children();
 494         //                      while(!children.empty() && erase(children.begin()));
 495
 496                                 set_row(row,value_desc);
 497                                 return;
 498                         }
 499                 }
 500                 else
 501                 {
 502                         //row[model.label] = Glib::ustring(row[model.name]);
 503                         //row[model.is_value_node] = false;
 504                         //row[model.is_editable] = true;
 505                 }
 506         }
 507         if(!do_children)
 508                 return;
 509
 510         Gtk::TreeModel::Children children = row.children();
 511         Gtk::TreeModel::Children::iterator iter;
 512
 513         if(!children.empty())
 514         for(iter = children.begin(); iter != children.end(); ++iter)
 515         {
 516                 Gtk::TreeRow row=*iter;
 517                 refresh_row(row);
 518         }
 519 }
 520
 521 void
 522 CanvasTreeStore::rebuild_row(Gtk::TreeModel::Row &row, bool do_children)
 523 {
 524         synfigapp::ValueDesc value_desc=(synfigapp::ValueDesc)row[model.value_desc];
 525
 526         if(value_desc && value_desc.get_value_node())
 527         {
 528                 ValueNode::Handle value_node;
 529                 value_node=value_desc.get_value_node();
 530
 531                 assert(value_node);if(!value_node)return;
 532
 533                 if(value_node && value_node!=(ValueNode::Handle)row[model.value_node])
 534                 {
 535 //                      Gtk::TreeModel::Children children = row.children();
 536 //                      while(!children.empty() && erase(children.begin()));
 537
 538                         set_row(row,value_desc,do_children);
 539                         return;
 540                 }
 541
 542                 LinkableValueNode::Handle linkable;
 543                 linkable=LinkableValueNode::Handle::cast_dynamic(value_node);
 544
 545                 if( do_children && linkable && (int)row[model.link_count] != linkable->link_count())
 546                 {
 547 //                      Gtk::TreeModel::Children children = row.children();
 548 //                      while(!children.empty() && erase(children.begin()));
 549
 550                         set_row(row,value_desc);
 551                         return;
 552                 }
 553
 554                 //if(!value_node)
 555                 //      value_node=row[model.value_node];
 556
 557                 row[model.id]=value_node->get_id();
 558
 559                 // Setup the row's label
 560                 if(value_node->get_id().empty())
 561                         row[model.label] = Glib::ustring(row[model.name]);
 562                 else if(Glib::ustring(row[model.name]).empty())
 563                         row[model.label] = value_node->get_id();
 564                 else
 565                         row[model.label] = Glib::ustring(row[model.name])+" ("+value_node->get_id()+')';
 566         }
 567         else
 568         {
 569                 row[model.label] = Glib::ustring(row[model.name]);
 570                 row[model.is_value_node] = false;
 571                 row[model.is_editable] = true;
 572                 Gtk::TreeModel::Children children = row.children();
 573                 while(!children.empty() && erase(children.begin()))
 574                         ;
 575         }
 576         if(!do_children)
 577                 return;
 578
 579         Gtk::TreeModel::Children children = row.children();
 580         Gtk::TreeModel::Children::iterator iter;
 581         if(!children.empty())
 582         for(iter = children.begin(); iter != children.end(); ++iter)
 583         {
 584                 Gtk::TreeRow row=*iter;
 585                 rebuild_row(row);
 586         }
 587 }
 588
 589 CellRenderer_ValueBase*
 590 CanvasTreeStore::add_cell_renderer_value(Gtk::TreeView::Column* column)
 591 {
 592         const CanvasTreeStore::Model model;
 593
 594         CellRenderer_ValueBase* ret;
 595
 596         ret=Gtk::manage( new CellRenderer_ValueBase() );
 597
 598         column->pack_start(*ret,true);
 599         column->add_attribute(ret->property_value(), model.value);
 600         column->add_attribute(ret->property_editable(), model.is_editable);
 601         column->add_attribute(ret->property_canvas(), model.canvas);
 602
 603         return ret;
 604 }
 605
 606 CellRenderer_TimeTrack*
 607 CanvasTreeStore::add_cell_renderer_value_node(Gtk::TreeView::Column* column)
 608 {
 609         const CanvasTreeStore::Model model;
 610
 611         CellRenderer_TimeTrack* ret;
 612
 613         ret = Gtk::manage( new CellRenderer_TimeTrack() );
 614
 615         column->pack_start(*ret,true);
 616         //column->add_attribute(ret->property_visible(), model.is_value_node);
 617         column->add_attribute(ret->property_value_desc(), model.value_desc);
 618         column->add_attribute(ret->property_canvas(), model.canvas);
 619
 620
 621         return ret;
 622 }