gtk2_ardour/editor_regions.cc

   1 /*
   2     Copyright (C) 2000-2005 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <cstdlib>
  21 #include <cmath>
  22 #include <algorithm>
  23 #include <string>
  24 #include <sstream>
  25
  26 #include "pbd/basename.h"
  27 #include "pbd/enumwriter.h"
  28
  29 #include "ardour/audioregion.h"
  30 #include "ardour/audiofilesource.h"
  31 #include "ardour/region_factory.h"
  32 #include "ardour/session.h"
  33 #include "ardour/silentfilesource.h"
  34 #include "ardour/profile.h"
  35
  36 #include "editor.h"
  37 #include "editing.h"
  38 #include "keyboard.h"
  39 #include "ardour_ui.h"
  40 #include "gui_thread.h"
  41 #include "actions.h"
  42 #include "region_view.h"
  43 #include "utils.h"
  44 #include "editor_regions.h"
  45 #include "editor_drag.h"
  46
  47 #include "i18n.h"
  48
  49 using namespace std;
  50 using namespace ARDOUR;
  51 using namespace PBD;
  52 using namespace Gtk;
  53 using namespace Glib;
  54 using namespace Editing;
  55 using Gtkmm2ext::Keyboard;
  56
  57 EditorRegions::EditorRegions (Editor* e)
  58         : EditorComponent (e)
  59         , _menu (0)
  60         , _show_automatic_regions (true)
  61         , _sort_type ((Editing::RegionListSortType) 0)
  62         , _no_redisplay (false)
  63         , ignore_region_list_selection_change (false)
  64         , ignore_selected_region_change (false)
  65 {
  66         _display.set_size_request (100, -1);
  67         _display.set_name ("RegionListDisplay");
  68         /* Try to prevent single mouse presses from initiating edits.
  69            This relies on a hack in gtktreeview.c:gtk_treeview_button_press()
  70         */
  71         _display.set_data ("mouse-edits-require-mod1", (gpointer) 0x1);
  72
  73         _model = TreeStore::create (_columns);
  74         _model->set_sort_func (0, sigc::mem_fun (*this, &EditorRegions::sorter));
  75         _model->set_sort_column (0, SORT_ASCENDING);
  76
  77         _display.set_model (_model);
  78         _display.append_column (_("Regions"), _columns.name);
  79         _display.append_column (_("Start"), _columns.start);
  80         _display.append_column (_("End"), _columns.end);
  81         _display.append_column (_("Length"), _columns.length);
  82         _display.append_column (_("Sync"), _columns.sync);
  83         _display.append_column (_("Fade In"), _columns.fadein);
  84         _display.append_column (_("Fade Out"), _columns.fadeout);
  85         _display.append_column (_("L"), _columns.locked);
  86         _display.append_column (_("G"), _columns.glued);
  87         _display.append_column (_("M"), _columns.muted);
  88         _display.append_column (_("O"), _columns.opaque);
  89         _display.append_column (_("Used"), _columns.used);
  90         _display.append_column (_("Path"), _columns.path);
  91         _display.set_headers_visible (true);
  92         //_display.set_grid_lines (TREE_VIEW_GRID_LINES_BOTH);
  93
  94         CellRendererText* region_name_cell = dynamic_cast<CellRendererText*>(_display.get_column_cell_renderer (0));
  95         region_name_cell->property_editable() = true;
  96         region_name_cell->signal_edited().connect (sigc::mem_fun (*this, &EditorRegions::name_edit));
  97
  98         _display.get_selection()->set_select_function (sigc::mem_fun (*this, &EditorRegions::selection_filter));
  99
 100         TreeViewColumn* tv_col = _display.get_column(0);
 101         CellRendererText* renderer = dynamic_cast<CellRendererText*>(_display.get_column_cell_renderer (0));
 102         tv_col->add_attribute(renderer->property_text(), _columns.name);
 103         tv_col->add_attribute(renderer->property_foreground_gdk(), _columns.color_);
 104
 105         CellRendererToggle* locked_cell = dynamic_cast<CellRendererToggle*> (_display.get_column_cell_renderer (7));
 106         locked_cell->property_activatable() = true;
 107         locked_cell->signal_toggled().connect (sigc::mem_fun (*this, &EditorRegions::locked_changed));
 108         TreeViewColumn* locked_col = _display.get_column (7);
 109         locked_col->add_attribute (locked_cell->property_visible(), _columns.property_toggles_visible);
 110
 111         CellRendererToggle* glued_cell = dynamic_cast<CellRendererToggle*> (_display.get_column_cell_renderer (8));
 112         glued_cell->property_activatable() = true;
 113         glued_cell->signal_toggled().connect (sigc::mem_fun (*this, &EditorRegions::glued_changed));
 114         TreeViewColumn* glued_col = _display.get_column (8);
 115         glued_col->add_attribute (glued_cell->property_visible(), _columns.property_toggles_visible);
 116
 117         CellRendererToggle* muted_cell = dynamic_cast<CellRendererToggle*> (_display.get_column_cell_renderer (9));
 118         muted_cell->property_activatable() = true;
 119         muted_cell->signal_toggled().connect (sigc::mem_fun (*this, &EditorRegions::muted_changed));
 120         TreeViewColumn* muted_col = _display.get_column (9);
 121         muted_col->add_attribute (muted_cell->property_visible(), _columns.property_toggles_visible);
 122
 123         CellRendererToggle* opaque_cell = dynamic_cast<CellRendererToggle*> (_display.get_column_cell_renderer (10));
 124         opaque_cell->property_activatable() = true;
 125         opaque_cell->signal_toggled().connect (sigc::mem_fun (*this, &EditorRegions::opaque_changed));
 126         TreeViewColumn* opaque_col = _display.get_column (10);
 127         opaque_col->add_attribute (opaque_cell->property_visible(), _columns.property_toggles_visible);
 128
 129         _display.get_selection()->set_mode (SELECTION_MULTIPLE);
 130         _display.add_object_drag (_columns.region.index(), "regions");
 131
 132         /* setup DnD handling */
 133
 134         list<TargetEntry> region_list_target_table;
 135
 136         region_list_target_table.push_back (TargetEntry ("text/plain"));
 137         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
 138         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 139
 140         _display.add_drop_targets (region_list_target_table);
 141         _display.signal_drag_data_received().connect (sigc::mem_fun(*this, &EditorRegions::drag_data_received));
 142
 143         _scroller.add (_display);
 144         _scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 145
 146         _display.signal_key_press_event().connect (sigc::mem_fun(*this, &EditorRegions::key_press));
 147         _display.signal_button_press_event().connect (sigc::mem_fun(*this, &EditorRegions::button_press), false);
 148         _change_connection = _display.get_selection()->signal_changed().connect (sigc::mem_fun(*this, &EditorRegions::selection_changed));
 149         // _display.signal_popup_menu().connect (sigc::bind (sigc::mem_fun (*this, &Editor::show__display_context_menu), 1, 0));
 150
 151         //ARDOUR_UI::instance()->secondary_clock.mode_changed.connect (sigc::mem_fun(*this, &Editor::redisplay_regions));
 152         ARDOUR_UI::instance()->secondary_clock.mode_changed.connect (sigc::mem_fun(*this, &EditorRegions::update_all_rows));
 153         ARDOUR::Region::RegionPropertyChanged.connect (region_property_connection, MISSING_INVALIDATOR, ui_bind (&EditorRegions::region_changed, this, _1, _2), gui_context());
 154         ARDOUR::RegionFactory::CheckNewRegion.connect (check_new_region_connection, MISSING_INVALIDATOR, ui_bind (&EditorRegions::add_region, this, _1), gui_context());
 155 }
 156
 157 void
 158 EditorRegions::set_session (ARDOUR::Session* s)
 159 {
 160         SessionHandlePtr::set_session (s);
 161         redisplay ();
 162 }
 163
 164 void
 165 EditorRegions::add_regions (vector<boost::shared_ptr<Region> >& regions)
 166 {
 167         for (vector<boost::shared_ptr<Region> >::iterator x = regions.begin(); x != regions.end(); ++x) {
 168                 add_region (*x);
 169         }
 170 }
 171
 172 void
 173 EditorRegions::add_region (boost::shared_ptr<Region> region)
 174 {
 175         if (!region || !_session) {
 176                 return;
 177         }
 178
 179         string str;
 180         TreeModel::Row row;
 181         Gdk::Color c;
 182         bool missing_source = boost::dynamic_pointer_cast<SilentFileSource>(region->source());
 183
 184         if (!_show_automatic_regions && region->automatic()) {
 185                 return;
 186         }
 187
 188         if (region->hidden()) {
 189                 TreeModel::iterator iter = _model->get_iter ("0");
 190                 TreeModel::Row parent;
 191                 TreeModel::Row child;
 192
 193                 if (!iter) {
 194                         parent = *(_model->append());
 195                         parent[_columns.name] = _("Hidden");
 196                         boost::shared_ptr<Region> proxy = parent[_columns.region];
 197                         proxy.reset ();
 198                 } else {
 199                         string s = (*iter)[_columns.name];
 200                         if (s != _("Hidden")) {
 201                                 parent = *(_model->insert(iter));
 202                                 parent[_columns.name] = _("Hidden");
 203                                 boost::shared_ptr<Region> proxy = parent[_columns.region];
 204                                 proxy.reset ();
 205                         } else {
 206                                 parent = *iter;
 207                         }
 208                 }
 209
 210                 row = *(_model->append (parent.children()));
 211
 212         } else if (region->whole_file()) {
 213
 214                 TreeModel::iterator i;
 215                 TreeModel::Children rows = _model->children();
 216
 217                 for (i = rows.begin(); i != rows.end(); ++i) {
 218                         boost::shared_ptr<Region> rr = (*i)[_columns.region];
 219
 220                         if (rr && region->region_list_equivalent (rr)) {
 221                                 return;
 222                         }
 223                 }
 224
 225                 row = *(_model->append());
 226
 227                 if (missing_source) {
 228                         c.set_rgb(65535,0,0);     // FIXME: error color from style
 229
 230                 } else if (region->automatic()){
 231                         c.set_rgb(0,65535,0);     // FIXME: error color from style
 232
 233                 } else {
 234                         set_color(c, rgba_from_style ("RegionListWholeFile", 0xff, 0, 0, 0, "fg", Gtk::STATE_NORMAL, false ));
 235
 236                 }
 237
 238                 row[_columns.color_] = c;
 239
 240                 if (region->source()->name()[0] == '/') { // external file
 241
 242                         if (region->whole_file()) {
 243
 244                                 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(region->source());
 245                                 str = ".../";
 246
 247                                 if (afs) {
 248                                         str = region_name_from_path (afs->path(), region->n_channels() > 1);
 249                                 } else {
 250                                         str += region->source()->name();
 251                                 }
 252
 253                         } else {
 254                                 str = region->name();
 255                         }
 256
 257                 } else {
 258                         str = region->name();
 259                 }
 260
 261                 if (region->n_channels() > 1) {
 262                         std::stringstream foo;
 263                         foo << region->n_channels ();
 264                         str += " [";
 265                         str += foo.str();
 266                         str += "]";
 267                 }
 268
 269                 row[_columns.name] = str;
 270                 row[_columns.region] = region;
 271                 row[_columns.property_toggles_visible] = false;
 272
 273                 if (missing_source) {
 274                         row[_columns.path] = _("(MISSING) ") + region->source()->name();
 275
 276                 } else {
 277                         row[_columns.path] = region->source()->name();
 278
 279                 }
 280
 281                 if (region->automatic()) {
 282                         return;
 283                 }
 284
 285         } else {
 286
 287                 /* find parent node, add as new child */
 288
 289                 TreeModel::iterator i;
 290                 TreeModel::Children rows = _model->children();
 291                 bool found_parent = false;
 292
 293                 for (i = rows.begin(); i != rows.end(); ++i) {
 294                         boost::shared_ptr<Region> rr = (*i)[_columns.region];
 295                         boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion>(rr);
 296
 297                         if (r && r->whole_file()) {
 298
 299                                 if (region->source_equivalent (r)) {
 300                                         row = *(_model->append ((*i).children()));
 301                                         found_parent = true;
 302                                         break;
 303                                 }
 304                         }
 305
 306                         TreeModel::iterator ii;
 307                         TreeModel::Children subrows = (*i).children();
 308
 309                         for (ii = subrows.begin(); ii != subrows.end(); ++ii) {
 310                                 boost::shared_ptr<Region> rrr = (*ii)[_columns.region];
 311
 312                                 if (region->region_list_equivalent (rrr)) {
 313                                         return;
 314
 315                                 }
 316                         }
 317                 }
 318
 319                 if (!found_parent) {
 320                         row = *(_model->append());
 321                 }
 322
 323                 row[_columns.property_toggles_visible] = true;
 324         }
 325
 326         row[_columns.region] = region;
 327
 328         populate_row(region, (*row));
 329 }
 330
 331 void
 332 EditorRegions::region_changed (boost::shared_ptr<Region> r, const PropertyChange& what_changed)
 333 {
 334         if (what_changed.contains (ARDOUR::Properties::name) ||
 335             what_changed.contains (ARDOUR::Properties::start) ||
 336             what_changed.contains (ARDOUR::Properties::position) ||
 337             what_changed.contains (ARDOUR::Properties::length) ||
 338             what_changed.contains (ARDOUR::Properties::locked) ||
 339             what_changed.contains (ARDOUR::Properties::position_lock_style) ||
 340             what_changed.contains (ARDOUR::Properties::muted) ||
 341             what_changed.contains (ARDOUR::Properties::opaque) ||
 342             what_changed.contains (ARDOUR::Properties::fade_in) ||
 343             what_changed.contains (ARDOUR::Properties::fade_out)) {
 344
 345                 /* find the region in our model and update its row */
 346                 TreeModel::Children rows = _model->children ();
 347                 TreeModel::iterator i = rows.begin ();
 348                 while (i != rows.end ()) {
 349                         TreeModel::Children children = (*i)->children ();
 350                         TreeModel::iterator j = children.begin ();
 351                         while (j != children.end()) {
 352                                 boost::shared_ptr<Region> c = (*j)[_columns.region];
 353                                 if (c == r) {
 354                                         break;
 355                                 }
 356                                 ++j;
 357                         }
 358
 359                         if (j != children.end()) {
 360                                 populate_row (r, *j);
 361                         }
 362
 363                         ++i;
 364                 }
 365
 366         }
 367
 368         if (what_changed.contains (ARDOUR::Properties::hidden)) {
 369                 redisplay ();
 370         }
 371 }
 372
 373 void
 374 EditorRegions::selection_changed ()
 375 {
 376         if (ignore_region_list_selection_change) {
 377                 return;
 378         }
 379
 380         /* We may have selected a region which is not displayed in the Editor.  If this happens, the
 381            result will be no selected regions in the editor's Selection.  Without the following line,
 382            this `no-selection' will be mapped back to our list, meaning that the selection will
 383            appear not to take.
 384         */
 385         _editor->_block_region_list_update_if_empty = true;
 386
 387         if (_display.get_selection()->count_selected_rows() > 0) {
 388
 389                 TreeIter iter;
 390                 TreeView::Selection::ListHandle_Path rows = _display.get_selection()->get_selected_rows ();
 391
 392                 _editor->get_selection().clear_regions ();
 393
 394                 for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
 395
 396                         if (iter = _model->get_iter (*i)) {
 397                                 boost::shared_ptr<Region> region = (*iter)[_columns.region];
 398
 399                                 // they could have clicked on a row that is just a placeholder, like "Hidden"
 400
 401                                 if (region) {
 402
 403                                         if (region->automatic()) {
 404
 405                                                 _display.get_selection()->unselect(*i);
 406
 407                                         } else {
 408                                                 _change_connection.block (true);
 409                                                 _editor->set_selected_regionview_from_region_list (region, Selection::Add);
 410
 411                                                 _change_connection.block (false);
 412                                         }
 413                                 }
 414                         }
 415                 }
 416         } else {
 417                 _editor->get_selection().clear_regions ();
 418         }
 419
 420         _editor->_block_region_list_update_if_empty = false;
 421 }
 422
 423 void
 424 EditorRegions::set_selected (RegionSelection& regions)
 425 {
 426         for (RegionSelection::iterator iter = regions.begin(); iter != regions.end(); ++iter) {
 427
 428                 TreeModel::iterator i;
 429                 TreeModel::Children rows = _model->children();
 430                 boost::shared_ptr<Region> r ((*iter)->region());
 431
 432                 for (i = rows.begin(); i != rows.end(); ++i) {
 433
 434                         boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 435
 436                         if (r == compared_region) {
 437                                 _display.get_selection()->select(*i);
 438                                 break;
 439                         }
 440
 441                         if (!(*i).children().empty()) {
 442                                 if (set_selected_in_subrow(r, (*i), 2)) {
 443                                         break;
 444                                 }
 445                         }
 446                 }
 447         }
 448 }
 449
 450 bool
 451 EditorRegions::set_selected_in_subrow (boost::shared_ptr<Region> region, TreeModel::Row const &parent_row, int level)
 452 {
 453         TreeModel::iterator i;
 454         TreeModel::Children subrows = (*parent_row).children();
 455
 456         for (i = subrows.begin(); i != subrows.end(); ++i) {
 457
 458                 boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 459
 460                 if (region == compared_region) {
 461                         _display.get_selection()->select(*i);
 462                         return true;
 463                 }
 464
 465                 if (!(*i).children().empty()) {
 466                         if (set_selected_in_subrow (region, (*i), level + 1)) {
 467                                 return true;
 468                         }
 469                 }
 470         }
 471         return false;
 472 }
 473
 474 void
 475 EditorRegions::insert_into_tmp_regionlist(boost::shared_ptr<Region> region)
 476 {
 477         /* keep all whole files at the beginning */
 478
 479         if (region->whole_file()) {
 480                 tmp_region_list.push_front (region);
 481         } else {
 482                 tmp_region_list.push_back (region);
 483         }
 484 }
 485
 486 void
 487 EditorRegions::redisplay ()
 488 {
 489         if (_no_redisplay || !_session) {
 490                 return;
 491         }
 492
 493         bool tree_expanded = false;
 494
 495         if (_toggle_full_action && _toggle_full_action->get_active()) {   //If the list was expanded prior to rebuilding,
 496                 tree_expanded = true;                                                                                                                           //expand it again afterwards
 497         }
 498
 499         _display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
 500         _model->clear ();
 501
 502         /* now add everything we have, via a temporary list used to help with
 503                 sorting.
 504         */
 505
 506         tmp_region_list.clear();
 507
 508         const RegionFactory::RegionMap& regions (RegionFactory::regions());
 509         for (RegionFactory::RegionMap::const_iterator i = regions.begin(); i != regions.end(); ++i) {
 510                 insert_into_tmp_regionlist (i->second);
 511         }
 512
 513         for (list<boost::shared_ptr<Region> >::iterator r = tmp_region_list.begin(); r != tmp_region_list.end(); ++r) {
 514                 add_region (*r);
 515         }
 516         tmp_region_list.clear();
 517
 518         _display.set_model (_model);
 519
 520         if (tree_expanded) {
 521                 _display.expand_all();
 522         }
 523 }
 524
 525 void
 526 EditorRegions::update_row (boost::shared_ptr<Region> region)
 527 {
 528         if (!region || !_session) {
 529                 return;
 530         }
 531
 532         TreeModel::iterator i;
 533         TreeModel::Children rows = _model->children();
 534
 535         return;
 536
 537         for (i = rows.begin(); i != rows.end(); ++i) {
 538
 539 //              cerr << "Level 1: Compare " << region->name() << " with parent " << (*i)[_columns.name] << "\n";
 540
 541                 boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 542
 543                 if (region == compared_region) {
 544 //                      cerr << "Matched\n";
 545                         populate_row(region, (*i));
 546                         return;
 547                 }
 548
 549                 if (!(*i).children().empty()) {
 550                         if (update_subrows(region, (*i), 2)) {
 551                                 return;
 552                         }
 553                 }
 554         }
 555
 556 //      cerr << "Returning - No match\n";
 557 }
 558
 559 bool
 560 EditorRegions::update_subrows (boost::shared_ptr<Region> region, TreeModel::Row const &parent_row, int level)
 561 {
 562         TreeModel::iterator i;
 563         TreeModel::Children subrows = (*parent_row).children();
 564
 565         for (i = subrows.begin(); i != subrows.end(); ++i) {
 566
 567 //              cerr << "Level " << level << ": Compare " << region->name() << " with child " << (*i)[_columns.name] << "\n";
 568
 569                 boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 570
 571                 if (region == compared_region) {
 572                         populate_row(region, (*i));
 573 //                      cerr << "Matched\n";
 574                         return true;
 575                 }
 576
 577                 if (!(*i).children().empty()) {
 578                         if (update_subrows (region, (*i), level + 1)) {
 579                                 return true;
 580                         }
 581                 }
 582         }
 583
 584         return false;
 585 }
 586
 587 void
 588 EditorRegions::update_all_rows ()
 589 {
 590         if (!_session) {
 591                 return;
 592         }
 593
 594         TreeModel::iterator i;
 595         TreeModel::Children rows = _model->children();
 596
 597         for (i = rows.begin(); i != rows.end(); ++i) {
 598
 599                 boost::shared_ptr<Region> region = (*i)[_columns.region];
 600
 601                 if (!region->automatic()) {
 602                         populate_row(region, (*i));
 603                 }
 604
 605                 if (!(*i).children().empty()) {
 606                         update_all_subrows ((*i), 2);
 607                 }
 608         }
 609 }
 610
 611 void
 612 EditorRegions::update_all_subrows (TreeModel::Row const &parent_row, int level)
 613 {
 614         TreeModel::iterator i;
 615         TreeModel::Children subrows = (*parent_row).children();
 616
 617         for (i = subrows.begin(); i != subrows.end(); ++i) {
 618
 619                 boost::shared_ptr<Region> region = (*i)[_columns.region];
 620
 621                 if (!region->automatic()) {
 622                         populate_row(region, (*i));
 623                 }
 624
 625                 if (!(*i).children().empty()) {
 626                         update_all_subrows ((*i), level + 1);
 627                 }
 628         }
 629 }
 630
 631 void
 632 EditorRegions::populate_row (boost::shared_ptr<Region> region, TreeModel::Row const &row)
 633 {
 634         char start_str[16];
 635         char end_str[16];
 636         char length_str[16];
 637         char sync_str[16];
 638         char fadein_str[16];
 639         char fadeout_str[16];
 640         char used_str[8];
 641         int used;
 642         BBT_Time bbt;
 643         Timecode::Time timecode;
 644
 645         bool missing_source = boost::dynamic_pointer_cast<SilentFileSource>(region->source());
 646
 647         boost::shared_ptr<AudioRegion> audioRegion = boost::dynamic_pointer_cast<AudioRegion>(region);
 648
 649         bool fades_in_seconds = false;
 650
 651         start_str[0] = '\0';
 652         end_str[0] = '\0';
 653         length_str[0] = '\0';
 654         sync_str[0] = '\0';
 655         fadein_str[0] = '\0';
 656         fadeout_str[0] = '\0';
 657         used_str[0] = '\0';
 658
 659         used = _editor->get_regionview_count_from_region_list (region);
 660         sprintf (used_str, "%4d" , used);
 661
 662         switch (ARDOUR_UI::instance()->secondary_clock.mode ()) {
 663         case AudioClock::Timecode:
 664         case AudioClock::Off:                                                                                           /* If the secondary clock is off, default to Timecode */
 665                 _session->timecode_time (region->position(), timecode);
 666                 sprintf (start_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 667                 _session->timecode_time (region->position() + region->length() - 1, timecode);
 668                 sprintf (end_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 669                 _session->timecode_time (region->length(), timecode);
 670                 sprintf (length_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 671                 _session->timecode_time (region->sync_position(), timecode);
 672                 sprintf (sync_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 673
 674                 if (audioRegion && !fades_in_seconds) {
 675                         _session->timecode_time (audioRegion->fade_in()->back()->when, timecode);
 676                         sprintf (fadein_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 677                         _session->timecode_time (audioRegion->fade_out()->back()->when, timecode);
 678                         sprintf (fadeout_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 679                 }
 680
 681                 break;
 682
 683         case AudioClock::BBT:
 684                 _session->tempo_map().bbt_time (region->position(), bbt);
 685                 sprintf (start_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 686                 _session->tempo_map().bbt_time (region->position() + region->length() - 1, bbt);
 687                 sprintf (end_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 688                 _session->tempo_map().bbt_time (region->length(), bbt);
 689                 sprintf (length_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 690                 _session->tempo_map().bbt_time (region->sync_position(), bbt);
 691                 sprintf (sync_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 692
 693                 if (audioRegion && !fades_in_seconds) {
 694                         _session->tempo_map().bbt_time (audioRegion->fade_in()->back()->when, bbt);
 695                         sprintf (fadein_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 696                         _session->tempo_map().bbt_time (audioRegion->fade_out()->back()->when, bbt);
 697                         sprintf (fadeout_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 698                 }
 699                 break;
 700
 701         case AudioClock::MinSec:
 702                 nframes_t left;
 703                 int hrs;
 704                 int mins;
 705                 float secs;
 706
 707                 left = region->position();
 708                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 709                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 710                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 711                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 712                 secs = left / (float) _session->frame_rate();
 713                 sprintf (start_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 714
 715                 left = region->position() + region->length() - 1;
 716                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 717                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 718                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 719                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 720                 secs = left / (float) _session->frame_rate();
 721                 sprintf (end_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 722
 723                 left = region->length();
 724                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 725                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 726                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 727                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 728                 secs = left / (float) _session->frame_rate();
 729                 sprintf (length_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 730
 731                 left = region->sync_position();
 732                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 733                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 734                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 735                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 736                 secs = left / (float) _session->frame_rate();
 737                 sprintf (sync_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 738
 739                 if (audioRegion && !fades_in_seconds) {
 740                         left = audioRegion->fade_in()->back()->when;
 741                         hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 742                         left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 743                         mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 744                         left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 745                         secs = left / (float) _session->frame_rate();
 746                         sprintf (fadein_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 747
 748                         left = audioRegion->fade_out()->back()->when;
 749                         hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 750                         left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 751                         mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 752                         left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 753                         secs = left / (float) _session->frame_rate();
 754                         sprintf (fadeout_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 755                 }
 756
 757                 break;
 758
 759         case AudioClock::Frames:
 760                 snprintf (start_str, sizeof (start_str), "%" PRId64, region->position());
 761                 snprintf (end_str, sizeof (end_str), "%" PRId64, (region->last_frame()));
 762                 snprintf (length_str, sizeof (length_str), "%" PRId64, region->length());
 763                 snprintf (sync_str, sizeof (sync_str), "%" PRId64, region->sync_position());
 764
 765                 if (audioRegion && !fades_in_seconds) {
 766                         snprintf (fadein_str, sizeof (fadein_str), "%u", uint (audioRegion->fade_in()->back()->when));
 767                         snprintf (fadeout_str, sizeof (fadeout_str), "%u", uint (audioRegion->fade_out()->back()->when));
 768                 }
 769
 770                 break;
 771
 772         default:
 773                 break;
 774         }
 775
 776         if (audioRegion && fades_in_seconds) {
 777
 778                 nframes_t left;
 779                 int mins;
 780                 int millisecs;
 781
 782                 left = audioRegion->fade_in()->back()->when;
 783                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 784                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 785                 millisecs = (int) floor ((left * 1000.0f) / _session->frame_rate());
 786
 787                 if (audioRegion->fade_in()->back()->when >= _session->frame_rate()) {
 788                         sprintf (fadein_str, "%01dM %01dmS", mins, millisecs);
 789                 } else {
 790                         sprintf (fadein_str, "%01dmS", millisecs);
 791                 }
 792
 793                 left = audioRegion->fade_out()->back()->when;
 794                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 795                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 796                 millisecs = (int) floor ((left * 1000.0f) / _session->frame_rate());
 797
 798                 if (audioRegion->fade_out()->back()->when >= _session->frame_rate()) {
 799                         sprintf (fadeout_str, "%01dM %01dmS", mins, millisecs);
 800                 } else {
 801                         sprintf (fadeout_str, "%01dmS", millisecs);
 802                 }
 803         }
 804
 805         if (used > 1) {
 806                 row[_columns.start] = _("Multiple");
 807                 row[_columns.end] = _("Multiple");
 808                 row[_columns.sync] = _("Multiple");
 809                 row[_columns.fadein] = _("Multiple");
 810                 row[_columns.fadeout] = _("Multiple");
 811                 row[_columns.locked] = false;
 812                 row[_columns.glued] = false;
 813                 row[_columns.muted] = false;
 814                 row[_columns.opaque] = false;
 815         } else {
 816                 row[_columns.start] = start_str;
 817                 row[_columns.end] = end_str;
 818
 819                 if (region->sync_position() == region->position()) {
 820                         row[_columns.sync] = _("Start");
 821                 } else if (region->sync_position() == (region->position() + region->length() - 1)) {
 822                         row[_columns.sync] = _("End");
 823                 } else {
 824                         row[_columns.sync] = sync_str;
 825                 }
 826
 827                 if (audioRegion) {
 828                         if (audioRegion->fade_in_active()) {
 829                                 row[_columns.fadein] = string_compose("%1%2%3", " ", fadein_str, " ");
 830                         } else {
 831                                 row[_columns.fadein] = string_compose("%1%2%3", "(", fadein_str, ")");
 832                         }
 833                 } else {
 834                         row[_columns.fadein] = "";
 835                 }
 836
 837                 if (audioRegion) {
 838                         if (audioRegion->fade_out_active()) {
 839                                 row[_columns.fadeout] = string_compose("%1%2%3", " ", fadeout_str, " ");
 840                         } else {
 841                                 row[_columns.fadeout] = string_compose("%1%2%3", "(", fadeout_str, ")");
 842                         }
 843                 } else {
 844                         row[_columns.fadeout] = "";
 845                 }
 846
 847                 row[_columns.locked] = region->locked();
 848
 849                 if (region->position_lock_style() == MusicTime) {
 850                         row[_columns.glued] = true;
 851                 } else {
 852                         row[_columns.glued] = false;
 853                 }
 854
 855                 row[_columns.muted] = region->muted();
 856                 row[_columns.opaque] = region->opaque();
 857         }
 858
 859         row[_columns.length] = length_str;
 860         row[_columns.used] = used_str;
 861
 862         if (missing_source) {
 863                 row[_columns.path] = _("MISSING ") + region->source()->name();
 864         } else {
 865                 row[_columns.path] = region->source()->name();
 866         }
 867
 868         if (region->n_channels() > 1) {
 869                 row[_columns.name] = string_compose("%1  [%2]", region->name(), region->n_channels());
 870         } else {
 871                 row[_columns.name] = region->name();
 872         }
 873 }
 874
 875 void
 876 EditorRegions::build_menu ()
 877 {
 878         _menu = dynamic_cast<Menu*>(ActionManager::get_widget ("/RegionListMenu"));
 879
 880         /* now grab specific menu items that we need */
 881
 882         Glib::RefPtr<Action> act;
 883
 884         _hide_action = ActionManager::get_action (X_("RegionList"), X_("rlHide"));
 885         _show_action = ActionManager::get_action (X_("RegionList"), X_("rlShow"));
 886
 887         act = ActionManager::get_action (X_("RegionList"), X_("rlShowAll"));
 888         if (act) {
 889                 _toggle_full_action = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 890         }
 891
 892         act = ActionManager::get_action (X_("RegionList"), X_("rlShowAuto"));
 893         if (act) {
 894                 _toggle_show_auto_regions_action = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 895         }
 896 }
 897
 898 void
 899 EditorRegions::toggle_show_auto_regions ()
 900 {
 901         _show_automatic_regions = _toggle_show_auto_regions_action->get_active();
 902         redisplay ();
 903 }
 904
 905 void
 906 EditorRegions::toggle_full ()
 907 {
 908         if (_toggle_full_action->get_active()) {
 909                 _display.expand_all ();
 910         } else {
 911                 _display.collapse_all ();
 912         }
 913 }
 914
 915 void
 916 EditorRegions::show_context_menu (int button, int time)
 917 {
 918         if (_menu == 0) {
 919                 build_menu ();
 920         }
 921
 922         if (_display.get_selection()->count_selected_rows() > 0) {
 923                 ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, true);
 924         } else {
 925                 ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, false);
 926         }
 927
 928         /* Enable the "Show" option if any selected regions are hidden, and vice versa for "Hide" */
 929
 930         bool have_shown = false;
 931         bool have_hidden = false;
 932
 933         TreeView::Selection::ListHandle_Path rows = _display.get_selection()->get_selected_rows ();
 934         for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
 935                 TreeIter t = _model->get_iter (*i);
 936                 boost::shared_ptr<Region> r = (*t)[_columns.region];
 937                 if (r) {
 938                         if (r->hidden ()) {
 939                                 have_hidden = true;
 940                         } else {
 941                                 have_shown = true;
 942                         }
 943                 }
 944         }
 945
 946         _hide_action->set_sensitive (have_shown);
 947         _show_action->set_sensitive (have_hidden);
 948
 949         _menu->popup (button, time);
 950 }
 951
 952 bool
 953 EditorRegions::key_press (GdkEventKey* /*ev*/)
 954 {
 955         return false;
 956 }
 957
 958
 959 bool
 960 EditorRegions::button_press (GdkEventButton *ev)
 961 {
 962         boost::shared_ptr<Region> region;
 963         TreeIter iter;
 964         TreeModel::Path path;
 965         TreeViewColumn* column;
 966         int cellx;
 967         int celly;
 968
 969         if (_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 970                 if ((iter = _model->get_iter (path))) {
 971                         region = (*iter)[_columns.region];
 972                 }
 973         }
 974
 975         if (Keyboard::is_context_menu_event (ev)) {
 976                 show_context_menu (ev->button, ev->time);
 977                 return false;
 978         }
 979
 980         if (region != 0 && Keyboard::is_button2_event (ev)) {
 981                 // start/stop audition
 982                 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 983                         _editor->consider_auditioning (region);
 984                 }
 985                 return true;
 986         }
 987
 988         return false;
 989 }
 990
 991 int
 992 EditorRegions::sorter (TreeModel::iterator a, TreeModel::iterator b)
 993 {
 994         int cmp = 0;
 995
 996         boost::shared_ptr<Region> r1 = (*a)[_columns.region];
 997         boost::shared_ptr<Region> r2 = (*b)[_columns.region];
 998
 999         /* handle rows without regions, like "Hidden" */
1000
1001         if (r1 == 0) {
1002                 return -1;
1003         }
1004
1005         if (r2 == 0) {
1006                 return 1;
1007         }
1008
1009         boost::shared_ptr<AudioRegion> region1 = boost::dynamic_pointer_cast<AudioRegion> (r1);
1010         boost::shared_ptr<AudioRegion> region2 = boost::dynamic_pointer_cast<AudioRegion> (r2);
1011
1012         if (region1 == 0 || region2 == 0) {
1013                 std::string s1;
1014                 std::string s2;
1015                 switch (_sort_type) {
1016                 case ByName:
1017                         s1 = (*a)[_columns.name];
1018                         s2 = (*b)[_columns.name];
1019                         return (s1.compare (s2));
1020                 default:
1021                         return 0;
1022                 }
1023         }
1024
1025         switch (_sort_type) {
1026         case ByName:
1027                 cmp = strcasecmp (region1->name().c_str(), region2->name().c_str());
1028                 break;
1029
1030         case ByLength:
1031                 cmp = region1->length() - region2->length();
1032                 break;
1033
1034         case ByPosition:
1035                 cmp = region1->position() - region2->position();
1036                 break;
1037
1038         case ByTimestamp:
1039                 cmp = region1->source()->timestamp() - region2->source()->timestamp();
1040                 break;
1041
1042         case ByStartInFile:
1043                 cmp = region1->start() - region2->start();
1044                 break;
1045
1046         case ByEndInFile:
1047                 // cerr << "Compare " << (region1->start() + region1->length()) << " and " << (region2->start() + region2->length()) << endl;
1048                 cmp = (region1->start() + region1->length()) - (region2->start() + region2->length());
1049                 break;
1050
1051         case BySourceFileName:
1052                 cmp = strcasecmp (region1->source()->name().c_str(), region2->source()->name().c_str());
1053                 break;
1054
1055         case BySourceFileLength:
1056                 cmp = region1->source_length(0) - region2->source_length(0);
1057                 break;
1058
1059         case BySourceFileCreationDate:
1060                 cmp = region1->source()->timestamp() - region2->source()->timestamp();
1061                 break;
1062
1063         case BySourceFileFS:
1064                 if (region1->source()->name() == region2->source()->name()) {
1065                         cmp = strcasecmp (region1->name().c_str(),  region2->name().c_str());
1066                 } else {
1067                         cmp = strcasecmp (region1->source()->name().c_str(),  region2->source()->name().c_str());
1068                 }
1069                 break;
1070         }
1071
1072         // cerr << "Comparison on " << enum_2_string (_sort_type) << " gives " << cmp << endl;
1073
1074         if (cmp < 0) {
1075                 return -1;
1076         } else if (cmp > 0) {
1077                 return 1;
1078         } else {
1079                 return 0;
1080         }
1081 }
1082
1083 void
1084 EditorRegions::reset_sort_type (RegionListSortType type, bool force)
1085 {
1086         if (type != _sort_type || force) {
1087                 _sort_type = type;
1088                 _model->set_sort_func (0, (sigc::mem_fun (*this, &EditorRegions::sorter)));
1089         }
1090 }
1091
1092 void
1093 EditorRegions::reset_sort_direction (bool up)
1094 {
1095         _model->set_sort_column (0, up ? SORT_ASCENDING : SORT_DESCENDING);
1096 }
1097
1098 void
1099 EditorRegions::selection_mapover (sigc::slot<void,boost::shared_ptr<Region> > sl)
1100 {
1101         Glib::RefPtr<TreeSelection> selection = _display.get_selection();
1102         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
1103         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
1104
1105         if (selection->count_selected_rows() == 0 || _session == 0) {
1106                 return;
1107         }
1108
1109         for (; i != rows.end(); ++i) {
1110                 TreeIter iter;
1111
1112                 if ((iter = _model->get_iter (*i))) {
1113
1114                         /* some rows don't have a region associated with them, but can still be
1115                            selected (XXX maybe prevent them from being selected)
1116                         */
1117
1118                         boost::shared_ptr<Region> r = (*iter)[_columns.region];
1119
1120                         if (r) {
1121                                 sl (r);
1122                         }
1123                 }
1124         }
1125 }
1126
1127
1128 void
1129 EditorRegions::drag_data_received (const RefPtr<Gdk::DragContext>& context,
1130                                    int x, int y,
1131                                    const SelectionData& data,
1132                                    guint info, guint time)
1133 {
1134         vector<string> paths;
1135
1136         if (data.get_target() == "GTK_TREE_MODEL_ROW") {
1137                 /* something is being dragged over the region list */
1138                 _editor->_drags->abort ();
1139                 _display.on_drag_data_received (context, x, y, data, info, time);
1140                 return;
1141         }
1142
1143         if (_editor->convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
1144                 framepos_t pos = 0;
1145                 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
1146                         _editor->do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsRegion, SrcBest, pos);
1147                 } else {
1148                         _editor->do_embed (paths, Editing::ImportDistinctFiles, ImportAsRegion, pos);
1149                 }
1150                 context->drag_finish (true, false, time);
1151         }
1152 }
1153
1154 bool
1155 EditorRegions::selection_filter (const RefPtr<TreeModel>& model, const TreeModel::Path& path, bool /*yn*/)
1156 {
1157         /* not possible to select rows that do not represent regions, like "Hidden" */
1158
1159         TreeModel::iterator iter = model->get_iter (path);
1160
1161         if (iter) {
1162                 boost::shared_ptr<Region> r =(*iter)[_columns.region];
1163                 if (!r) {
1164                         return false;
1165                 }
1166         }
1167
1168         return true;
1169 }
1170
1171 void
1172 EditorRegions::name_edit (const std::string& path, const std::string& new_text)
1173 {
1174         boost::shared_ptr<Region> region;
1175         TreeIter iter;
1176
1177         if ((iter = _model->get_iter (path))) {
1178                 region = (*iter)[_columns.region];
1179                 (*iter)[_columns.name] = new_text;
1180         }
1181
1182         /* now mapover everything */
1183
1184         if (region) {
1185                 vector<RegionView*> equivalents;
1186                 _editor->get_regions_corresponding_to (region, equivalents);
1187
1188                 for (vector<RegionView*>::iterator i = equivalents.begin(); i != equivalents.end(); ++i) {
1189                         if (new_text != (*i)->region()->name()) {
1190                                 (*i)->region()->set_name (new_text);
1191                         }
1192                 }
1193         }
1194
1195 }
1196
1197 /** @return Region that has been dragged out of the list, or 0 */
1198 boost::shared_ptr<Region>
1199 EditorRegions::get_dragged_region ()
1200 {
1201         list<boost::shared_ptr<Region> > regions;
1202         TreeView* source;
1203         _display.get_object_drag_data (regions, &source);
1204
1205         if (regions.empty()) {
1206                 return boost::shared_ptr<Region> ();
1207         }
1208
1209         assert (regions.size() == 1);
1210         return regions.front ();
1211 }
1212
1213 void
1214 EditorRegions::clear ()
1215 {
1216         _display.set_model (Glib::RefPtr<Gtk::TreeStore> (0));
1217         _model->clear ();
1218         _display.set_model (_model);
1219 }
1220
1221 boost::shared_ptr<Region>
1222 EditorRegions::get_single_selection ()
1223 {
1224         Glib::RefPtr<TreeSelection> selected = _display.get_selection();
1225
1226         if (selected->count_selected_rows() != 1) {
1227                 return boost::shared_ptr<Region> ();
1228         }
1229
1230         TreeView::Selection::ListHandle_Path rows = selected->get_selected_rows ();
1231
1232         /* only one row selected, so rows.begin() is it */
1233
1234         TreeIter iter = _model->get_iter (*rows.begin());
1235
1236         if (!iter) {
1237                 return boost::shared_ptr<Region> ();
1238         }
1239
1240         return (*iter)[_columns.region];
1241 }
1242
1243 void
1244 EditorRegions::locked_changed (std::string const & path)
1245 {
1246         TreeIter i = _model->get_iter (path);
1247         if (i) {
1248                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1249                 if (region) {
1250                         region->set_locked (!(*i)[_columns.locked]);
1251                 }
1252         }
1253 }
1254
1255 void
1256 EditorRegions::glued_changed (std::string const & path)
1257 {
1258         TreeIter i = _model->get_iter (path);
1259         if (i) {
1260                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1261                 if (region) {
1262                         /* `glued' means MusicTime, and we're toggling here */
1263                         region->set_position_lock_style ((*i)[_columns.glued] ? AudioTime : MusicTime);
1264                 }
1265         }
1266
1267 }
1268
1269 void
1270 EditorRegions::muted_changed (std::string const & path)
1271 {
1272         TreeIter i = _model->get_iter (path);
1273         if (i) {
1274                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1275                 if (region) {
1276                         region->set_muted (!(*i)[_columns.muted]);
1277                 }
1278         }
1279
1280 }
1281
1282 void
1283 EditorRegions::opaque_changed (std::string const & path)
1284 {
1285         TreeIter i = _model->get_iter (path);
1286         if (i) {
1287                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1288                 if (region) {
1289                         region->set_opaque (!(*i)[_columns.opaque]);
1290                 }
1291         }
1292
1293 }