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         _display.set_rules_hint (true);
  69         /* Try to prevent single mouse presses from initiating edits.
  70            This relies on a hack in gtktreeview.c:gtk_treeview_button_press()
  71         */
  72         _display.set_data ("mouse-edits-require-mod1", (gpointer) 0x1);
  73
  74         _model = TreeStore::create (_columns);
  75         _model->set_sort_func (0, sigc::mem_fun (*this, &EditorRegions::sorter));
  76         _model->set_sort_column (0, SORT_ASCENDING);
  77
  78         _display.set_model (_model);
  79         _display.append_column (_("Regions"), _columns.name);
  80         _display.append_column (_("Start"), _columns.start);
  81         _display.append_column (_("End"), _columns.end);
  82         _display.append_column (_("Length"), _columns.length);
  83         _display.append_column (_("Sync"), _columns.sync);
  84         _display.append_column (_("Fade In"), _columns.fadein);
  85         _display.append_column (_("Fade Out"), _columns.fadeout);
  86         _display.append_column (_("L"), _columns.locked);
  87         _display.append_column (_("G"), _columns.glued);
  88         _display.append_column (_("M"), _columns.muted);
  89         _display.append_column (_("O"), _columns.opaque);
  90         _display.append_column (_("Used"), _columns.used);
  91         _display.append_column (_("Path"), _columns.path);
  92         _display.set_headers_visible (true);
  93         //_display.set_grid_lines (TREE_VIEW_GRID_LINES_BOTH);
  94
  95         CellRendererText* region_name_cell = dynamic_cast<CellRendererText*>(_display.get_column_cell_renderer (0));
  96         region_name_cell->property_editable() = true;
  97         region_name_cell->signal_edited().connect (sigc::mem_fun (*this, &EditorRegions::name_edit));
  98
  99         _display.get_selection()->set_select_function (sigc::mem_fun (*this, &EditorRegions::selection_filter));
 100
 101         TreeViewColumn* tv_col = _display.get_column(0);
 102         CellRendererText* renderer = dynamic_cast<CellRendererText*>(_display.get_column_cell_renderer (0));
 103         tv_col->add_attribute(renderer->property_text(), _columns.name);
 104         tv_col->add_attribute(renderer->property_foreground_gdk(), _columns.color_);
 105
 106         CellRendererToggle* locked_cell = dynamic_cast<CellRendererToggle*> (_display.get_column_cell_renderer (7));
 107         locked_cell->property_activatable() = true;
 108         locked_cell->signal_toggled().connect (sigc::mem_fun (*this, &EditorRegions::locked_changed));
 109         TreeViewColumn* locked_col = _display.get_column (7);
 110         locked_col->add_attribute (locked_cell->property_visible(), _columns.property_toggles_visible);
 111
 112         CellRendererToggle* glued_cell = dynamic_cast<CellRendererToggle*> (_display.get_column_cell_renderer (8));
 113         glued_cell->property_activatable() = true;
 114         glued_cell->signal_toggled().connect (sigc::mem_fun (*this, &EditorRegions::glued_changed));
 115         TreeViewColumn* glued_col = _display.get_column (8);
 116         glued_col->add_attribute (glued_cell->property_visible(), _columns.property_toggles_visible);
 117
 118         CellRendererToggle* muted_cell = dynamic_cast<CellRendererToggle*> (_display.get_column_cell_renderer (9));
 119         muted_cell->property_activatable() = true;
 120         muted_cell->signal_toggled().connect (sigc::mem_fun (*this, &EditorRegions::muted_changed));
 121         TreeViewColumn* muted_col = _display.get_column (9);
 122         muted_col->add_attribute (muted_cell->property_visible(), _columns.property_toggles_visible);
 123
 124         CellRendererToggle* opaque_cell = dynamic_cast<CellRendererToggle*> (_display.get_column_cell_renderer (10));
 125         opaque_cell->property_activatable() = true;
 126         opaque_cell->signal_toggled().connect (sigc::mem_fun (*this, &EditorRegions::opaque_changed));
 127         TreeViewColumn* opaque_col = _display.get_column (10);
 128         opaque_col->add_attribute (opaque_cell->property_visible(), _columns.property_toggles_visible);
 129
 130         _display.get_selection()->set_mode (SELECTION_MULTIPLE);
 131         _display.add_object_drag (_columns.region.index(), "regions");
 132
 133         /* setup DnD handling */
 134
 135         list<TargetEntry> region_list_target_table;
 136
 137         region_list_target_table.push_back (TargetEntry ("text/plain"));
 138         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
 139         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 140
 141         _display.add_drop_targets (region_list_target_table);
 142         _display.signal_drag_data_received().connect (sigc::mem_fun(*this, &EditorRegions::drag_data_received));
 143
 144         _scroller.add (_display);
 145         _scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 146
 147         _display.signal_key_press_event().connect (sigc::mem_fun(*this, &EditorRegions::key_press));
 148         _display.signal_button_press_event().connect (sigc::mem_fun(*this, &EditorRegions::button_press), false);
 149         _change_connection = _display.get_selection()->signal_changed().connect (sigc::mem_fun(*this, &EditorRegions::selection_changed));
 150         // _display.signal_popup_menu().connect (sigc::bind (sigc::mem_fun (*this, &Editor::show__display_context_menu), 1, 0));
 151
 152         //ARDOUR_UI::instance()->secondary_clock.mode_changed.connect (sigc::mem_fun(*this, &Editor::redisplay_regions));
 153         ARDOUR_UI::instance()->secondary_clock.mode_changed.connect (sigc::mem_fun(*this, &EditorRegions::update_all_rows));
 154         ARDOUR::Region::RegionPropertyChanged.connect (region_property_connection, MISSING_INVALIDATOR, ui_bind (&EditorRegions::region_changed, this, _1, _2), gui_context());
 155         ARDOUR::RegionFactory::CheckNewRegion.connect (check_new_region_connection, MISSING_INVALIDATOR, ui_bind (&EditorRegions::add_region, this, _1), gui_context());
 156 }
 157
 158 void
 159 EditorRegions::set_session (ARDOUR::Session* s)
 160 {
 161         SessionHandlePtr::set_session (s);
 162         redisplay ();
 163 }
 164
 165 void
 166 EditorRegions::add_regions (vector<boost::shared_ptr<Region> >& regions)
 167 {
 168         for (vector<boost::shared_ptr<Region> >::iterator x = regions.begin(); x != regions.end(); ++x) {
 169                 add_region (*x);
 170         }
 171 }
 172
 173 void
 174 EditorRegions::add_region (boost::shared_ptr<Region> region)
 175 {
 176         if (!region || !_session) {
 177                 return;
 178         }
 179
 180         string str;
 181         TreeModel::Row row;
 182         Gdk::Color c;
 183         bool missing_source = boost::dynamic_pointer_cast<SilentFileSource>(region->source());
 184
 185         if (!_show_automatic_regions && region->automatic()) {
 186                 return;
 187         }
 188
 189         if (region->hidden()) {
 190                 TreeModel::iterator iter = _model->get_iter ("0");
 191                 TreeModel::Row parent;
 192                 TreeModel::Row child;
 193
 194                 if (!iter) {
 195                         parent = *(_model->append());
 196                         parent[_columns.name] = _("Hidden");
 197                         boost::shared_ptr<Region> proxy = parent[_columns.region];
 198                         proxy.reset ();
 199                 } else {
 200                         string s = (*iter)[_columns.name];
 201                         if (s != _("Hidden")) {
 202                                 parent = *(_model->insert(iter));
 203                                 parent[_columns.name] = _("Hidden");
 204                                 boost::shared_ptr<Region> proxy = parent[_columns.region];
 205                                 proxy.reset ();
 206                         } else {
 207                                 parent = *iter;
 208                         }
 209                 }
 210
 211                 row = *(_model->append (parent.children()));
 212
 213         } else if (region->whole_file()) {
 214
 215                 TreeModel::iterator i;
 216                 TreeModel::Children rows = _model->children();
 217
 218                 for (i = rows.begin(); i != rows.end(); ++i) {
 219                         boost::shared_ptr<Region> rr = (*i)[_columns.region];
 220
 221                         if (rr && region->region_list_equivalent (rr)) {
 222                                 return;
 223                         }
 224                 }
 225
 226                 row = *(_model->append());
 227
 228                 if (missing_source) {
 229                         c.set_rgb(65535,0,0);     // FIXME: error color from style
 230
 231                 } else if (region->automatic()){
 232                         c.set_rgb(0,65535,0);     // FIXME: error color from style
 233
 234                 } else {
 235                         set_color(c, rgba_from_style ("RegionListWholeFile", 0xff, 0, 0, 0, "fg", Gtk::STATE_NORMAL, false ));
 236
 237                 }
 238
 239                 row[_columns.color_] = c;
 240
 241                 if (region->source()->name()[0] == '/') { // external file
 242
 243                         if (region->whole_file()) {
 244
 245                                 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(region->source());
 246                                 str = ".../";
 247
 248                                 if (afs) {
 249                                         str = region_name_from_path (afs->path(), region->n_channels() > 1);
 250                                 } else {
 251                                         str += region->source()->name();
 252                                 }
 253
 254                         } else {
 255                                 str = region->name();
 256                         }
 257
 258                 } else {
 259                         str = region->name();
 260                 }
 261
 262                 if (region->n_channels() > 1) {
 263                         std::stringstream foo;
 264                         foo << region->n_channels ();
 265                         str += " [";
 266                         str += foo.str();
 267                         str += "]";
 268                 }
 269
 270                 row[_columns.name] = str;
 271                 row[_columns.region] = region;
 272                 row[_columns.property_toggles_visible] = false;
 273
 274                 if (missing_source) {
 275                         row[_columns.path] = _("(MISSING) ") + region->source()->name();
 276
 277                 } else {
 278                         row[_columns.path] = region->source()->name();
 279
 280                 }
 281
 282                 if (region->automatic()) {
 283                         return;
 284                 }
 285
 286         } else {
 287
 288                 /* find parent node, add as new child */
 289
 290                 TreeModel::iterator i;
 291                 TreeModel::Children rows = _model->children();
 292                 bool found_parent = false;
 293
 294                 for (i = rows.begin(); i != rows.end(); ++i) {
 295                         boost::shared_ptr<Region> rr = (*i)[_columns.region];
 296                         boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion>(rr);
 297
 298                         if (r && r->whole_file()) {
 299
 300                                 if (region->source_equivalent (r)) {
 301                                         row = *(_model->append ((*i).children()));
 302                                         found_parent = true;
 303                                         break;
 304                                 }
 305                         }
 306
 307                         TreeModel::iterator ii;
 308                         TreeModel::Children subrows = (*i).children();
 309
 310                         for (ii = subrows.begin(); ii != subrows.end(); ++ii) {
 311                                 boost::shared_ptr<Region> rrr = (*ii)[_columns.region];
 312
 313                                 if (region->region_list_equivalent (rrr)) {
 314                                         return;
 315
 316                                 }
 317                         }
 318                 }
 319
 320                 if (!found_parent) {
 321                         row = *(_model->append());
 322                 }
 323
 324                 row[_columns.property_toggles_visible] = true;
 325         }
 326
 327         row[_columns.region] = region;
 328
 329         populate_row(region, (*row));
 330 }
 331
 332 void
 333 EditorRegions::region_changed (boost::shared_ptr<Region> r, const PropertyChange& what_changed)
 334 {
 335         if (what_changed.contains (ARDOUR::Properties::name) ||
 336             what_changed.contains (ARDOUR::Properties::start) ||
 337             what_changed.contains (ARDOUR::Properties::position) ||
 338             what_changed.contains (ARDOUR::Properties::length) ||
 339             what_changed.contains (ARDOUR::Properties::locked) ||
 340             what_changed.contains (ARDOUR::Properties::position_lock_style) ||
 341             what_changed.contains (ARDOUR::Properties::muted) ||
 342             what_changed.contains (ARDOUR::Properties::opaque) ||
 343             what_changed.contains (ARDOUR::Properties::fade_in) ||
 344             what_changed.contains (ARDOUR::Properties::fade_out)) {
 345
 346                 /* find the region in our model and update its row */
 347                 TreeModel::Children rows = _model->children ();
 348                 TreeModel::iterator i = rows.begin ();
 349                 while (i != rows.end ()) {
 350                         TreeModel::Children children = (*i)->children ();
 351                         TreeModel::iterator j = children.begin ();
 352                         while (j != children.end()) {
 353                                 boost::shared_ptr<Region> c = (*j)[_columns.region];
 354                                 if (c == r) {
 355                                         break;
 356                                 }
 357                                 ++j;
 358                         }
 359
 360                         if (j != children.end()) {
 361                                 populate_row (r, *j);
 362                         }
 363
 364                         ++i;
 365                 }
 366
 367         }
 368
 369         if (what_changed.contains (ARDOUR::Properties::hidden)) {
 370                 redisplay ();
 371         }
 372 }
 373
 374 void
 375 EditorRegions::selection_changed ()
 376 {
 377         if (ignore_region_list_selection_change) {
 378                 return;
 379         }
 380
 381         /* We may have selected a region which is not displayed in the Editor.  If this happens, the
 382            result will be no selected regions in the editor's Selection.  Without the following line,
 383            this `no-selection' will be mapped back to our list, meaning that the selection will
 384            appear not to take.
 385         */
 386         _editor->_block_region_list_update_if_empty = true;
 387
 388         if (_display.get_selection()->count_selected_rows() > 0) {
 389
 390                 TreeIter iter;
 391                 TreeView::Selection::ListHandle_Path rows = _display.get_selection()->get_selected_rows ();
 392
 393                 _editor->get_selection().clear_regions ();
 394
 395                 for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
 396
 397                         if (iter = _model->get_iter (*i)) {
 398                                 boost::shared_ptr<Region> region = (*iter)[_columns.region];
 399
 400                                 // they could have clicked on a row that is just a placeholder, like "Hidden"
 401
 402                                 if (region) {
 403
 404                                         if (region->automatic()) {
 405
 406                                                 _display.get_selection()->unselect(*i);
 407
 408                                         } else {
 409                                                 _change_connection.block (true);
 410                                                 _editor->set_selected_regionview_from_region_list (region, Selection::Add);
 411
 412                                                 _change_connection.block (false);
 413                                         }
 414                                 }
 415                         }
 416                 }
 417         } else {
 418                 _editor->get_selection().clear_regions ();
 419         }
 420
 421         _editor->_block_region_list_update_if_empty = false;
 422 }
 423
 424 void
 425 EditorRegions::set_selected (RegionSelection& regions)
 426 {
 427         for (RegionSelection::iterator iter = regions.begin(); iter != regions.end(); ++iter) {
 428
 429                 TreeModel::iterator i;
 430                 TreeModel::Children rows = _model->children();
 431                 boost::shared_ptr<Region> r ((*iter)->region());
 432
 433                 for (i = rows.begin(); i != rows.end(); ++i) {
 434
 435                         boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 436
 437                         if (r == compared_region) {
 438                                 _display.get_selection()->select(*i);
 439                                 break;
 440                         }
 441
 442                         if (!(*i).children().empty()) {
 443                                 if (set_selected_in_subrow(r, (*i), 2)) {
 444                                         break;
 445                                 }
 446                         }
 447                 }
 448         }
 449 }
 450
 451 bool
 452 EditorRegions::set_selected_in_subrow (boost::shared_ptr<Region> region, TreeModel::Row const &parent_row, int level)
 453 {
 454         TreeModel::iterator i;
 455         TreeModel::Children subrows = (*parent_row).children();
 456
 457         for (i = subrows.begin(); i != subrows.end(); ++i) {
 458
 459                 boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 460
 461                 if (region == compared_region) {
 462                         _display.get_selection()->select(*i);
 463                         return true;
 464                 }
 465
 466                 if (!(*i).children().empty()) {
 467                         if (set_selected_in_subrow (region, (*i), level + 1)) {
 468                                 return true;
 469                         }
 470                 }
 471         }
 472         return false;
 473 }
 474
 475 void
 476 EditorRegions::insert_into_tmp_regionlist(boost::shared_ptr<Region> region)
 477 {
 478         /* keep all whole files at the beginning */
 479
 480         if (region->whole_file()) {
 481                 tmp_region_list.push_front (region);
 482         } else {
 483                 tmp_region_list.push_back (region);
 484         }
 485 }
 486
 487 void
 488 EditorRegions::redisplay ()
 489 {
 490         if (_no_redisplay || !_session) {
 491                 return;
 492         }
 493
 494         bool tree_expanded = false;
 495
 496         if (_toggle_full_action && _toggle_full_action->get_active()) {   //If the list was expanded prior to rebuilding,
 497                 tree_expanded = true;                                                                                                                           //expand it again afterwards
 498         }
 499
 500         _display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
 501         _model->clear ();
 502
 503         /* now add everything we have, via a temporary list used to help with
 504                 sorting.
 505         */
 506
 507         tmp_region_list.clear();
 508
 509         const RegionFactory::RegionMap& regions (RegionFactory::regions());
 510         for (RegionFactory::RegionMap::const_iterator i = regions.begin(); i != regions.end(); ++i) {
 511                 insert_into_tmp_regionlist (i->second);
 512         }
 513
 514         for (list<boost::shared_ptr<Region> >::iterator r = tmp_region_list.begin(); r != tmp_region_list.end(); ++r) {
 515                 add_region (*r);
 516         }
 517         tmp_region_list.clear();
 518
 519         _display.set_model (_model);
 520
 521         if (tree_expanded) {
 522                 _display.expand_all();
 523         }
 524 }
 525
 526 void
 527 EditorRegions::update_row (boost::shared_ptr<Region> region)
 528 {
 529         if (!region || !_session) {
 530                 return;
 531         }
 532
 533         TreeModel::iterator i;
 534         TreeModel::Children rows = _model->children();
 535
 536         return;
 537
 538         for (i = rows.begin(); i != rows.end(); ++i) {
 539
 540 //              cerr << "Level 1: Compare " << region->name() << " with parent " << (*i)[_columns.name] << "\n";
 541
 542                 boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 543
 544                 if (region == compared_region) {
 545 //                      cerr << "Matched\n";
 546                         populate_row(region, (*i));
 547                         return;
 548                 }
 549
 550                 if (!(*i).children().empty()) {
 551                         if (update_subrows(region, (*i), 2)) {
 552                                 return;
 553                         }
 554                 }
 555         }
 556
 557 //      cerr << "Returning - No match\n";
 558 }
 559
 560 bool
 561 EditorRegions::update_subrows (boost::shared_ptr<Region> region, TreeModel::Row const &parent_row, int level)
 562 {
 563         TreeModel::iterator i;
 564         TreeModel::Children subrows = (*parent_row).children();
 565
 566         for (i = subrows.begin(); i != subrows.end(); ++i) {
 567
 568 //              cerr << "Level " << level << ": Compare " << region->name() << " with child " << (*i)[_columns.name] << "\n";
 569
 570                 boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 571
 572                 if (region == compared_region) {
 573                         populate_row(region, (*i));
 574 //                      cerr << "Matched\n";
 575                         return true;
 576                 }
 577
 578                 if (!(*i).children().empty()) {
 579                         if (update_subrows (region, (*i), level + 1)) {
 580                                 return true;
 581                         }
 582                 }
 583         }
 584
 585         return false;
 586 }
 587
 588 void
 589 EditorRegions::update_all_rows ()
 590 {
 591         if (!_session) {
 592                 return;
 593         }
 594
 595         TreeModel::iterator i;
 596         TreeModel::Children rows = _model->children();
 597
 598         for (i = rows.begin(); i != rows.end(); ++i) {
 599
 600                 boost::shared_ptr<Region> region = (*i)[_columns.region];
 601
 602                 if (!region->automatic()) {
 603                         populate_row(region, (*i));
 604                 }
 605
 606                 if (!(*i).children().empty()) {
 607                         update_all_subrows ((*i), 2);
 608                 }
 609         }
 610 }
 611
 612 void
 613 EditorRegions::update_all_subrows (TreeModel::Row const &parent_row, int level)
 614 {
 615         TreeModel::iterator i;
 616         TreeModel::Children subrows = (*parent_row).children();
 617
 618         for (i = subrows.begin(); i != subrows.end(); ++i) {
 619
 620                 boost::shared_ptr<Region> region = (*i)[_columns.region];
 621
 622                 if (!region->automatic()) {
 623                         populate_row(region, (*i));
 624                 }
 625
 626                 if (!(*i).children().empty()) {
 627                         update_all_subrows ((*i), level + 1);
 628                 }
 629         }
 630 }
 631
 632 void
 633 EditorRegions::populate_row (boost::shared_ptr<Region> region, TreeModel::Row const &row)
 634 {
 635         char start_str[16];
 636         char end_str[16];
 637         char length_str[16];
 638         char sync_str[16];
 639         char fadein_str[16];
 640         char fadeout_str[16];
 641         char used_str[8];
 642         int used;
 643         BBT_Time bbt;
 644         Timecode::Time timecode;
 645
 646         bool missing_source = boost::dynamic_pointer_cast<SilentFileSource>(region->source());
 647
 648         boost::shared_ptr<AudioRegion> audioRegion = boost::dynamic_pointer_cast<AudioRegion>(region);
 649
 650         bool fades_in_seconds = false;
 651
 652         start_str[0] = '\0';
 653         end_str[0] = '\0';
 654         length_str[0] = '\0';
 655         sync_str[0] = '\0';
 656         fadein_str[0] = '\0';
 657         fadeout_str[0] = '\0';
 658         used_str[0] = '\0';
 659
 660         used = _editor->get_regionview_count_from_region_list (region);
 661         sprintf (used_str, "%4d" , used);
 662
 663         switch (ARDOUR_UI::instance()->secondary_clock.mode ()) {
 664         case AudioClock::Timecode:
 665         case AudioClock::Off:                                                                                           /* If the secondary clock is off, default to Timecode */
 666                 _session->timecode_time (region->position(), timecode);
 667                 sprintf (start_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 668                 _session->timecode_time (region->position() + region->length() - 1, timecode);
 669                 sprintf (end_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 670                 _session->timecode_time (region->length(), timecode);
 671                 sprintf (length_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 672                 _session->timecode_time (region->sync_position(), timecode);
 673                 sprintf (sync_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 674
 675                 if (audioRegion && !fades_in_seconds) {
 676                         _session->timecode_time (audioRegion->fade_in()->back()->when, timecode);
 677                         sprintf (fadein_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 678                         _session->timecode_time (audioRegion->fade_out()->back()->when, timecode);
 679                         sprintf (fadeout_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 680                 }
 681
 682                 break;
 683
 684         case AudioClock::BBT:
 685                 _session->tempo_map().bbt_time (region->position(), bbt);
 686                 sprintf (start_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 687                 _session->tempo_map().bbt_time (region->position() + region->length() - 1, bbt);
 688                 sprintf (end_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 689                 _session->tempo_map().bbt_time (region->length(), bbt);
 690                 sprintf (length_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 691                 _session->tempo_map().bbt_time (region->sync_position(), bbt);
 692                 sprintf (sync_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 693
 694                 if (audioRegion && !fades_in_seconds) {
 695                         _session->tempo_map().bbt_time (audioRegion->fade_in()->back()->when, bbt);
 696                         sprintf (fadein_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 697                         _session->tempo_map().bbt_time (audioRegion->fade_out()->back()->when, bbt);
 698                         sprintf (fadeout_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 699                 }
 700                 break;
 701
 702         case AudioClock::MinSec:
 703                 nframes_t left;
 704                 int hrs;
 705                 int mins;
 706                 float secs;
 707
 708                 left = region->position();
 709                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 710                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 711                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 712                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 713                 secs = left / (float) _session->frame_rate();
 714                 sprintf (start_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 715
 716                 left = region->position() + region->length() - 1;
 717                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 718                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 719                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 720                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 721                 secs = left / (float) _session->frame_rate();
 722                 sprintf (end_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 723
 724                 left = region->length();
 725                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 726                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 727                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 728                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 729                 secs = left / (float) _session->frame_rate();
 730                 sprintf (length_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 731
 732                 left = region->sync_position();
 733                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 734                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 735                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 736                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 737                 secs = left / (float) _session->frame_rate();
 738                 sprintf (sync_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 739
 740                 if (audioRegion && !fades_in_seconds) {
 741                         left = audioRegion->fade_in()->back()->when;
 742                         hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 743                         left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 744                         mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 745                         left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 746                         secs = left / (float) _session->frame_rate();
 747                         sprintf (fadein_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 748
 749                         left = audioRegion->fade_out()->back()->when;
 750                         hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 751                         left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 752                         mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 753                         left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 754                         secs = left / (float) _session->frame_rate();
 755                         sprintf (fadeout_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 756                 }
 757
 758                 break;
 759
 760         case AudioClock::Frames:
 761                 snprintf (start_str, sizeof (start_str), "%" PRId64, region->position());
 762                 snprintf (end_str, sizeof (end_str), "%" PRId64, (region->last_frame()));
 763                 snprintf (length_str, sizeof (length_str), "%" PRId64, region->length());
 764                 snprintf (sync_str, sizeof (sync_str), "%" PRId64, region->sync_position());
 765
 766                 if (audioRegion && !fades_in_seconds) {
 767                         snprintf (fadein_str, sizeof (fadein_str), "%u", uint (audioRegion->fade_in()->back()->when));
 768                         snprintf (fadeout_str, sizeof (fadeout_str), "%u", uint (audioRegion->fade_out()->back()->when));
 769                 }
 770
 771                 break;
 772
 773         default:
 774                 break;
 775         }
 776
 777         if (audioRegion && fades_in_seconds) {
 778
 779                 nframes_t left;
 780                 int mins;
 781                 int millisecs;
 782
 783                 left = audioRegion->fade_in()->back()->when;
 784                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 785                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 786                 millisecs = (int) floor ((left * 1000.0f) / _session->frame_rate());
 787
 788                 if (audioRegion->fade_in()->back()->when >= _session->frame_rate()) {
 789                         sprintf (fadein_str, "%01dM %01dmS", mins, millisecs);
 790                 } else {
 791                         sprintf (fadein_str, "%01dmS", millisecs);
 792                 }
 793
 794                 left = audioRegion->fade_out()->back()->when;
 795                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 796                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 797                 millisecs = (int) floor ((left * 1000.0f) / _session->frame_rate());
 798
 799                 if (audioRegion->fade_out()->back()->when >= _session->frame_rate()) {
 800                         sprintf (fadeout_str, "%01dM %01dmS", mins, millisecs);
 801                 } else {
 802                         sprintf (fadeout_str, "%01dmS", millisecs);
 803                 }
 804         }
 805
 806         if (used > 1) {
 807                 row[_columns.start] = _("Multiple");
 808                 row[_columns.end] = _("Multiple");
 809                 row[_columns.sync] = _("Multiple");
 810                 row[_columns.fadein] = _("Multiple");
 811                 row[_columns.fadeout] = _("Multiple");
 812                 row[_columns.locked] = false;
 813                 row[_columns.glued] = false;
 814                 row[_columns.muted] = false;
 815                 row[_columns.opaque] = false;
 816         } else {
 817                 row[_columns.start] = start_str;
 818                 row[_columns.end] = end_str;
 819
 820                 if (region->sync_position() == region->position()) {
 821                         row[_columns.sync] = _("Start");
 822                 } else if (region->sync_position() == (region->position() + region->length() - 1)) {
 823                         row[_columns.sync] = _("End");
 824                 } else {
 825                         row[_columns.sync] = sync_str;
 826                 }
 827
 828                 if (audioRegion) {
 829                         if (audioRegion->fade_in_active()) {
 830                                 row[_columns.fadein] = string_compose("%1%2%3", " ", fadein_str, " ");
 831                         } else {
 832                                 row[_columns.fadein] = string_compose("%1%2%3", "(", fadein_str, ")");
 833                         }
 834                 } else {
 835                         row[_columns.fadein] = "";
 836                 }
 837
 838                 if (audioRegion) {
 839                         if (audioRegion->fade_out_active()) {
 840                                 row[_columns.fadeout] = string_compose("%1%2%3", " ", fadeout_str, " ");
 841                         } else {
 842                                 row[_columns.fadeout] = string_compose("%1%2%3", "(", fadeout_str, ")");
 843                         }
 844                 } else {
 845                         row[_columns.fadeout] = "";
 846                 }
 847
 848                 row[_columns.locked] = region->locked();
 849
 850                 if (region->position_lock_style() == MusicTime) {
 851                         row[_columns.glued] = true;
 852                 } else {
 853                         row[_columns.glued] = false;
 854                 }
 855
 856                 row[_columns.muted] = region->muted();
 857                 row[_columns.opaque] = region->opaque();
 858         }
 859
 860         row[_columns.length] = length_str;
 861         row[_columns.used] = used_str;
 862
 863         if (missing_source) {
 864                 row[_columns.path] = _("MISSING ") + region->source()->name();
 865         } else {
 866                 row[_columns.path] = region->source()->name();
 867         }
 868
 869         if (region->n_channels() > 1) {
 870                 row[_columns.name] = string_compose("%1  [%2]", region->name(), region->n_channels());
 871         } else {
 872                 row[_columns.name] = region->name();
 873         }
 874 }
 875
 876 void
 877 EditorRegions::build_menu ()
 878 {
 879         _menu = dynamic_cast<Menu*>(ActionManager::get_widget ("/RegionListMenu"));
 880
 881         /* now grab specific menu items that we need */
 882
 883         Glib::RefPtr<Action> act;
 884
 885         _hide_action = ActionManager::get_action (X_("RegionList"), X_("rlHide"));
 886         _show_action = ActionManager::get_action (X_("RegionList"), X_("rlShow"));
 887
 888         act = ActionManager::get_action (X_("RegionList"), X_("rlShowAll"));
 889         if (act) {
 890                 _toggle_full_action = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 891         }
 892
 893         act = ActionManager::get_action (X_("RegionList"), X_("rlShowAuto"));
 894         if (act) {
 895                 _toggle_show_auto_regions_action = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 896         }
 897 }
 898
 899 void
 900 EditorRegions::toggle_show_auto_regions ()
 901 {
 902         _show_automatic_regions = _toggle_show_auto_regions_action->get_active();
 903         redisplay ();
 904 }
 905
 906 void
 907 EditorRegions::toggle_full ()
 908 {
 909         if (_toggle_full_action->get_active()) {
 910                 _display.expand_all ();
 911         } else {
 912                 _display.collapse_all ();
 913         }
 914 }
 915
 916 void
 917 EditorRegions::show_context_menu (int button, int time)
 918 {
 919         if (_menu == 0) {
 920                 build_menu ();
 921         }
 922
 923         if (_display.get_selection()->count_selected_rows() > 0) {
 924                 ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, true);
 925         } else {
 926                 ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, false);
 927         }
 928
 929         /* Enable the "Show" option if any selected regions are hidden, and vice versa for "Hide" */
 930
 931         bool have_shown = false;
 932         bool have_hidden = false;
 933
 934         TreeView::Selection::ListHandle_Path rows = _display.get_selection()->get_selected_rows ();
 935         for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
 936                 TreeIter t = _model->get_iter (*i);
 937                 boost::shared_ptr<Region> r = (*t)[_columns.region];
 938                 if (r) {
 939                         if (r->hidden ()) {
 940                                 have_hidden = true;
 941                         } else {
 942                                 have_shown = true;
 943                         }
 944                 }
 945         }
 946
 947         _hide_action->set_sensitive (have_shown);
 948         _show_action->set_sensitive (have_hidden);
 949
 950         _menu->popup (button, time);
 951 }
 952
 953 bool
 954 EditorRegions::key_press (GdkEventKey* /*ev*/)
 955 {
 956         return false;
 957 }
 958
 959
 960 bool
 961 EditorRegions::button_press (GdkEventButton *ev)
 962 {
 963         boost::shared_ptr<Region> region;
 964         TreeIter iter;
 965         TreeModel::Path path;
 966         TreeViewColumn* column;
 967         int cellx;
 968         int celly;
 969
 970         if (_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 971                 if ((iter = _model->get_iter (path))) {
 972                         region = (*iter)[_columns.region];
 973                 }
 974         }
 975
 976         if (Keyboard::is_context_menu_event (ev)) {
 977                 show_context_menu (ev->button, ev->time);
 978                 return false;
 979         }
 980
 981         if (region != 0 && Keyboard::is_button2_event (ev)) {
 982                 // start/stop audition
 983                 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 984                         _editor->consider_auditioning (region);
 985                 }
 986                 return true;
 987         }
 988
 989         return false;
 990 }
 991
 992 int
 993 EditorRegions::sorter (TreeModel::iterator a, TreeModel::iterator b)
 994 {
 995         int cmp = 0;
 996
 997         boost::shared_ptr<Region> r1 = (*a)[_columns.region];
 998         boost::shared_ptr<Region> r2 = (*b)[_columns.region];
 999
1000         /* handle rows without regions, like "Hidden" */
1001
1002         if (r1 == 0) {
1003                 return -1;
1004         }
1005
1006         if (r2 == 0) {
1007                 return 1;
1008         }
1009
1010         boost::shared_ptr<AudioRegion> region1 = boost::dynamic_pointer_cast<AudioRegion> (r1);
1011         boost::shared_ptr<AudioRegion> region2 = boost::dynamic_pointer_cast<AudioRegion> (r2);
1012
1013         if (region1 == 0 || region2 == 0) {
1014                 std::string s1;
1015                 std::string s2;
1016                 switch (_sort_type) {
1017                 case ByName:
1018                         s1 = (*a)[_columns.name];
1019                         s2 = (*b)[_columns.name];
1020                         return (s1.compare (s2));
1021                 default:
1022                         return 0;
1023                 }
1024         }
1025
1026         switch (_sort_type) {
1027         case ByName:
1028                 cmp = strcasecmp (region1->name().c_str(), region2->name().c_str());
1029                 break;
1030
1031         case ByLength:
1032                 cmp = region1->length() - region2->length();
1033                 break;
1034
1035         case ByPosition:
1036                 cmp = region1->position() - region2->position();
1037                 break;
1038
1039         case ByTimestamp:
1040                 cmp = region1->source()->timestamp() - region2->source()->timestamp();
1041                 break;
1042
1043         case ByStartInFile:
1044                 cmp = region1->start() - region2->start();
1045                 break;
1046
1047         case ByEndInFile:
1048                 // cerr << "Compare " << (region1->start() + region1->length()) << " and " << (region2->start() + region2->length()) << endl;
1049                 cmp = (region1->start() + region1->length()) - (region2->start() + region2->length());
1050                 break;
1051
1052         case BySourceFileName:
1053                 cmp = strcasecmp (region1->source()->name().c_str(), region2->source()->name().c_str());
1054                 break;
1055
1056         case BySourceFileLength:
1057                 cmp = region1->source_length(0) - region2->source_length(0);
1058                 break;
1059
1060         case BySourceFileCreationDate:
1061                 cmp = region1->source()->timestamp() - region2->source()->timestamp();
1062                 break;
1063
1064         case BySourceFileFS:
1065                 if (region1->source()->name() == region2->source()->name()) {
1066                         cmp = strcasecmp (region1->name().c_str(),  region2->name().c_str());
1067                 } else {
1068                         cmp = strcasecmp (region1->source()->name().c_str(),  region2->source()->name().c_str());
1069                 }
1070                 break;
1071         }
1072
1073         // cerr << "Comparison on " << enum_2_string (_sort_type) << " gives " << cmp << endl;
1074
1075         if (cmp < 0) {
1076                 return -1;
1077         } else if (cmp > 0) {
1078                 return 1;
1079         } else {
1080                 return 0;
1081         }
1082 }
1083
1084 void
1085 EditorRegions::reset_sort_type (RegionListSortType type, bool force)
1086 {
1087         if (type != _sort_type || force) {
1088                 _sort_type = type;
1089                 _model->set_sort_func (0, (sigc::mem_fun (*this, &EditorRegions::sorter)));
1090         }
1091 }
1092
1093 void
1094 EditorRegions::reset_sort_direction (bool up)
1095 {
1096         _model->set_sort_column (0, up ? SORT_ASCENDING : SORT_DESCENDING);
1097 }
1098
1099 void
1100 EditorRegions::selection_mapover (sigc::slot<void,boost::shared_ptr<Region> > sl)
1101 {
1102         Glib::RefPtr<TreeSelection> selection = _display.get_selection();
1103         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
1104         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
1105
1106         if (selection->count_selected_rows() == 0 || _session == 0) {
1107                 return;
1108         }
1109
1110         for (; i != rows.end(); ++i) {
1111                 TreeIter iter;
1112
1113                 if ((iter = _model->get_iter (*i))) {
1114
1115                         /* some rows don't have a region associated with them, but can still be
1116                            selected (XXX maybe prevent them from being selected)
1117                         */
1118
1119                         boost::shared_ptr<Region> r = (*iter)[_columns.region];
1120
1121                         if (r) {
1122                                 sl (r);
1123                         }
1124                 }
1125         }
1126 }
1127
1128
1129 void
1130 EditorRegions::drag_data_received (const RefPtr<Gdk::DragContext>& context,
1131                                    int x, int y,
1132                                    const SelectionData& data,
1133                                    guint info, guint time)
1134 {
1135         vector<string> paths;
1136
1137         if (data.get_target() == "GTK_TREE_MODEL_ROW") {
1138                 /* something is being dragged over the region list */
1139                 _editor->_drags->abort ();
1140                 _display.on_drag_data_received (context, x, y, data, info, time);
1141                 return;
1142         }
1143
1144         if (_editor->convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
1145                 framepos_t pos = 0;
1146                 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
1147                         _editor->do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsRegion, SrcBest, pos);
1148                 } else {
1149                         _editor->do_embed (paths, Editing::ImportDistinctFiles, ImportAsRegion, pos);
1150                 }
1151                 context->drag_finish (true, false, time);
1152         }
1153 }
1154
1155 bool
1156 EditorRegions::selection_filter (const RefPtr<TreeModel>& model, const TreeModel::Path& path, bool /*yn*/)
1157 {
1158         /* not possible to select rows that do not represent regions, like "Hidden" */
1159
1160         TreeModel::iterator iter = model->get_iter (path);
1161
1162         if (iter) {
1163                 boost::shared_ptr<Region> r =(*iter)[_columns.region];
1164                 if (!r) {
1165                         return false;
1166                 }
1167         }
1168
1169         return true;
1170 }
1171
1172 void
1173 EditorRegions::name_edit (const std::string& path, const std::string& new_text)
1174 {
1175         boost::shared_ptr<Region> region;
1176         TreeIter iter;
1177
1178         if ((iter = _model->get_iter (path))) {
1179                 region = (*iter)[_columns.region];
1180                 (*iter)[_columns.name] = new_text;
1181         }
1182
1183         /* now mapover everything */
1184
1185         if (region) {
1186                 vector<RegionView*> equivalents;
1187                 _editor->get_regions_corresponding_to (region, equivalents);
1188
1189                 for (vector<RegionView*>::iterator i = equivalents.begin(); i != equivalents.end(); ++i) {
1190                         if (new_text != (*i)->region()->name()) {
1191                                 (*i)->region()->set_name (new_text);
1192                         }
1193                 }
1194         }
1195
1196 }
1197
1198 /** @return Region that has been dragged out of the list, or 0 */
1199 boost::shared_ptr<Region>
1200 EditorRegions::get_dragged_region ()
1201 {
1202         list<boost::shared_ptr<Region> > regions;
1203         TreeView* source;
1204         _display.get_object_drag_data (regions, &source);
1205
1206         if (regions.empty()) {
1207                 return boost::shared_ptr<Region> ();
1208         }
1209
1210         assert (regions.size() == 1);
1211         return regions.front ();
1212 }
1213
1214 void
1215 EditorRegions::clear ()
1216 {
1217         _display.set_model (Glib::RefPtr<Gtk::TreeStore> (0));
1218         _model->clear ();
1219         _display.set_model (_model);
1220 }
1221
1222 boost::shared_ptr<Region>
1223 EditorRegions::get_single_selection ()
1224 {
1225         Glib::RefPtr<TreeSelection> selected = _display.get_selection();
1226
1227         if (selected->count_selected_rows() != 1) {
1228                 return boost::shared_ptr<Region> ();
1229         }
1230
1231         TreeView::Selection::ListHandle_Path rows = selected->get_selected_rows ();
1232
1233         /* only one row selected, so rows.begin() is it */
1234
1235         TreeIter iter = _model->get_iter (*rows.begin());
1236
1237         if (!iter) {
1238                 return boost::shared_ptr<Region> ();
1239         }
1240
1241         return (*iter)[_columns.region];
1242 }
1243
1244 void
1245 EditorRegions::locked_changed (std::string const & path)
1246 {
1247         TreeIter i = _model->get_iter (path);
1248         if (i) {
1249                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1250                 if (region) {
1251                         region->set_locked (!(*i)[_columns.locked]);
1252                 }
1253         }
1254 }
1255
1256 void
1257 EditorRegions::glued_changed (std::string const & path)
1258 {
1259         TreeIter i = _model->get_iter (path);
1260         if (i) {
1261                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1262                 if (region) {
1263                         /* `glued' means MusicTime, and we're toggling here */
1264                         region->set_position_lock_style ((*i)[_columns.glued] ? AudioTime : MusicTime);
1265                 }
1266         }
1267
1268 }
1269
1270 void
1271 EditorRegions::muted_changed (std::string const & path)
1272 {
1273         TreeIter i = _model->get_iter (path);
1274         if (i) {
1275                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1276                 if (region) {
1277                         region->set_muted (!(*i)[_columns.muted]);
1278                 }
1279         }
1280
1281 }
1282
1283 void
1284 EditorRegions::opaque_changed (std::string const & path)
1285 {
1286         TreeIter i = _model->get_iter (path);
1287         if (i) {
1288                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1289                 if (region) {
1290                         region->set_opaque (!(*i)[_columns.opaque]);
1291                 }
1292         }
1293
1294 }