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         if (_display.get_selection()->count_selected_rows() > 0) {
 381
 382                 TreeIter iter;
 383                 TreeView::Selection::ListHandle_Path rows = _display.get_selection()->get_selected_rows ();
 384
 385                 _editor->get_selection().clear_regions ();
 386
 387                 for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
 388
 389                         if (iter = _model->get_iter (*i)) {
 390                                 boost::shared_ptr<Region> region = (*iter)[_columns.region];
 391
 392                                 // they could have clicked on a row that is just a placeholder, like "Hidden"
 393
 394                                 if (region) {
 395
 396                                         if (region->automatic()) {
 397
 398                                                 _display.get_selection()->unselect(*i);
 399
 400                                         } else {
 401                                                 _change_connection.block (true);
 402                                                 _editor->set_selected_regionview_from_region_list (region, Selection::Add);
 403
 404                                                 _change_connection.block (false);
 405                                         }
 406                                 }
 407                         }
 408                 }
 409         } else {
 410                 _editor->get_selection().clear_regions ();
 411         }
 412 }
 413
 414 void
 415 EditorRegions::set_selected (RegionSelection& regions)
 416 {
 417         for (RegionSelection::iterator iter = regions.begin(); iter != regions.end(); ++iter) {
 418
 419                 TreeModel::iterator i;
 420                 TreeModel::Children rows = _model->children();
 421                 boost::shared_ptr<Region> r ((*iter)->region());
 422
 423                 for (i = rows.begin(); i != rows.end(); ++i) {
 424
 425                         boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 426
 427                         if (r == compared_region) {
 428                                 _display.get_selection()->select(*i);
 429                                 break;
 430                         }
 431
 432                         if (!(*i).children().empty()) {
 433                                 if (set_selected_in_subrow(r, (*i), 2)) {
 434                                         break;
 435                                 }
 436                         }
 437                 }
 438         }
 439 }
 440
 441 bool
 442 EditorRegions::set_selected_in_subrow (boost::shared_ptr<Region> region, TreeModel::Row const &parent_row, int level)
 443 {
 444         TreeModel::iterator i;
 445         TreeModel::Children subrows = (*parent_row).children();
 446
 447         for (i = subrows.begin(); i != subrows.end(); ++i) {
 448
 449                 boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 450
 451                 if (region == compared_region) {
 452                         _display.get_selection()->select(*i);
 453                         return true;
 454                 }
 455
 456                 if (!(*i).children().empty()) {
 457                         if (set_selected_in_subrow (region, (*i), level + 1)) {
 458                                 return true;
 459                         }
 460                 }
 461         }
 462         return false;
 463 }
 464
 465 void
 466 EditorRegions::insert_into_tmp_regionlist(boost::shared_ptr<Region> region)
 467 {
 468         /* keep all whole files at the beginning */
 469
 470         if (region->whole_file()) {
 471                 tmp_region_list.push_front (region);
 472         } else {
 473                 tmp_region_list.push_back (region);
 474         }
 475 }
 476
 477 void
 478 EditorRegions::redisplay ()
 479 {
 480         if (_no_redisplay || !_session) {
 481                 return;
 482         }
 483
 484         bool tree_expanded = false;
 485
 486         if (_toggle_full_action && _toggle_full_action->get_active()) {   //If the list was expanded prior to rebuilding,
 487                 tree_expanded = true;                                                                                                                           //expand it again afterwards
 488         }
 489
 490         _display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
 491         _model->clear ();
 492
 493         /* now add everything we have, via a temporary list used to help with
 494                 sorting.
 495         */
 496
 497         tmp_region_list.clear();
 498
 499         const RegionFactory::RegionMap& regions (RegionFactory::regions());
 500         for (RegionFactory::RegionMap::const_iterator i = regions.begin(); i != regions.end(); ++i) {
 501                 insert_into_tmp_regionlist (i->second);
 502         }
 503
 504         for (list<boost::shared_ptr<Region> >::iterator r = tmp_region_list.begin(); r != tmp_region_list.end(); ++r) {
 505                 add_region (*r);
 506         }
 507         tmp_region_list.clear();
 508
 509         _display.set_model (_model);
 510
 511         if (tree_expanded) {
 512                 _display.expand_all();
 513         }
 514 }
 515
 516 void
 517 EditorRegions::update_row (boost::shared_ptr<Region> region)
 518 {
 519         if (!region || !_session) {
 520                 return;
 521         }
 522
 523         TreeModel::iterator i;
 524         TreeModel::Children rows = _model->children();
 525
 526         return;
 527
 528         for (i = rows.begin(); i != rows.end(); ++i) {
 529
 530 //              cerr << "Level 1: Compare " << region->name() << " with parent " << (*i)[_columns.name] << "\n";
 531
 532                 boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 533
 534                 if (region == compared_region) {
 535 //                      cerr << "Matched\n";
 536                         populate_row(region, (*i));
 537                         return;
 538                 }
 539
 540                 if (!(*i).children().empty()) {
 541                         if (update_subrows(region, (*i), 2)) {
 542                                 return;
 543                         }
 544                 }
 545         }
 546
 547 //      cerr << "Returning - No match\n";
 548 }
 549
 550 bool
 551 EditorRegions::update_subrows (boost::shared_ptr<Region> region, TreeModel::Row const &parent_row, int level)
 552 {
 553         TreeModel::iterator i;
 554         TreeModel::Children subrows = (*parent_row).children();
 555
 556         for (i = subrows.begin(); i != subrows.end(); ++i) {
 557
 558 //              cerr << "Level " << level << ": Compare " << region->name() << " with child " << (*i)[_columns.name] << "\n";
 559
 560                 boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 561
 562                 if (region == compared_region) {
 563                         populate_row(region, (*i));
 564 //                      cerr << "Matched\n";
 565                         return true;
 566                 }
 567
 568                 if (!(*i).children().empty()) {
 569                         if (update_subrows (region, (*i), level + 1)) {
 570                                 return true;
 571                         }
 572                 }
 573         }
 574
 575         return false;
 576 }
 577
 578 void
 579 EditorRegions::update_all_rows ()
 580 {
 581         if (!_session) {
 582                 return;
 583         }
 584
 585         TreeModel::iterator i;
 586         TreeModel::Children rows = _model->children();
 587
 588         for (i = rows.begin(); i != rows.end(); ++i) {
 589
 590                 boost::shared_ptr<Region> region = (*i)[_columns.region];
 591
 592                 if (!region->automatic()) {
 593                         populate_row(region, (*i));
 594                 }
 595
 596                 if (!(*i).children().empty()) {
 597                         update_all_subrows ((*i), 2);
 598                 }
 599         }
 600 }
 601
 602 void
 603 EditorRegions::update_all_subrows (TreeModel::Row const &parent_row, int level)
 604 {
 605         TreeModel::iterator i;
 606         TreeModel::Children subrows = (*parent_row).children();
 607
 608         for (i = subrows.begin(); i != subrows.end(); ++i) {
 609
 610                 boost::shared_ptr<Region> region = (*i)[_columns.region];
 611
 612                 if (!region->automatic()) {
 613                         populate_row(region, (*i));
 614                 }
 615
 616                 if (!(*i).children().empty()) {
 617                         update_all_subrows ((*i), level + 1);
 618                 }
 619         }
 620 }
 621
 622 void
 623 EditorRegions::populate_row (boost::shared_ptr<Region> region, TreeModel::Row const &row)
 624 {
 625         char start_str[16];
 626         char end_str[16];
 627         char length_str[16];
 628         char sync_str[16];
 629         char fadein_str[16];
 630         char fadeout_str[16];
 631         char used_str[8];
 632         int used;
 633         BBT_Time bbt;
 634         Timecode::Time timecode;
 635
 636         bool missing_source = boost::dynamic_pointer_cast<SilentFileSource>(region->source());
 637
 638         boost::shared_ptr<AudioRegion> audioRegion = boost::dynamic_pointer_cast<AudioRegion>(region);
 639
 640         bool fades_in_seconds = false;
 641
 642         start_str[0] = '\0';
 643         end_str[0] = '\0';
 644         length_str[0] = '\0';
 645         sync_str[0] = '\0';
 646         fadein_str[0] = '\0';
 647         fadeout_str[0] = '\0';
 648         used_str[0] = '\0';
 649
 650         used = _editor->get_regionview_count_from_region_list (region);
 651         sprintf (used_str, "%4d" , used);
 652
 653         switch (ARDOUR_UI::instance()->secondary_clock.mode ()) {
 654         case AudioClock::Timecode:
 655         case AudioClock::Off:                                                                                           /* If the secondary clock is off, default to Timecode */
 656                 _session->timecode_time (region->position(), timecode);
 657                 sprintf (start_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 658                 _session->timecode_time (region->position() + region->length() - 1, timecode);
 659                 sprintf (end_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 660                 _session->timecode_time (region->length(), timecode);
 661                 sprintf (length_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 662                 _session->timecode_time (region->sync_position(), timecode);
 663                 sprintf (sync_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 664
 665                 if (audioRegion && !fades_in_seconds) {
 666                         _session->timecode_time (audioRegion->fade_in()->back()->when, timecode);
 667                         sprintf (fadein_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 668                         _session->timecode_time (audioRegion->fade_out()->back()->when, timecode);
 669                         sprintf (fadeout_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 670                 }
 671
 672                 break;
 673
 674         case AudioClock::BBT:
 675                 _session->tempo_map().bbt_time (region->position(), bbt);
 676                 sprintf (start_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 677                 _session->tempo_map().bbt_time (region->position() + region->length() - 1, bbt);
 678                 sprintf (end_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 679                 _session->tempo_map().bbt_time (region->length(), bbt);
 680                 sprintf (length_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 681                 _session->tempo_map().bbt_time (region->sync_position(), bbt);
 682                 sprintf (sync_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 683
 684                 if (audioRegion && !fades_in_seconds) {
 685                         _session->tempo_map().bbt_time (audioRegion->fade_in()->back()->when, bbt);
 686                         sprintf (fadein_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 687                         _session->tempo_map().bbt_time (audioRegion->fade_out()->back()->when, bbt);
 688                         sprintf (fadeout_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 689                 }
 690                 break;
 691
 692         case AudioClock::MinSec:
 693                 nframes_t left;
 694                 int hrs;
 695                 int mins;
 696                 float secs;
 697
 698                 left = region->position();
 699                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 700                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 701                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 702                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 703                 secs = left / (float) _session->frame_rate();
 704                 sprintf (start_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 705
 706                 left = region->position() + region->length() - 1;
 707                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 708                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 709                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 710                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 711                 secs = left / (float) _session->frame_rate();
 712                 sprintf (end_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 713
 714                 left = region->length();
 715                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 716                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 717                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 718                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 719                 secs = left / (float) _session->frame_rate();
 720                 sprintf (length_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 721
 722                 left = region->sync_position();
 723                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 724                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 725                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 726                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 727                 secs = left / (float) _session->frame_rate();
 728                 sprintf (sync_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 729
 730                 if (audioRegion && !fades_in_seconds) {
 731                         left = audioRegion->fade_in()->back()->when;
 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 (fadein_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 738
 739                         left = audioRegion->fade_out()->back()->when;
 740                         hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 741                         left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 742                         mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 743                         left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 744                         secs = left / (float) _session->frame_rate();
 745                         sprintf (fadeout_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 746                 }
 747
 748                 break;
 749
 750         case AudioClock::Frames:
 751                 snprintf (start_str, sizeof (start_str), "%" PRId64, region->position());
 752                 snprintf (end_str, sizeof (end_str), "%" PRId64, (region->last_frame()));
 753                 snprintf (length_str, sizeof (length_str), "%" PRId64, region->length());
 754                 snprintf (sync_str, sizeof (sync_str), "%" PRId64, region->sync_position());
 755
 756                 if (audioRegion && !fades_in_seconds) {
 757                         snprintf (fadein_str, sizeof (fadein_str), "%u", uint (audioRegion->fade_in()->back()->when));
 758                         snprintf (fadeout_str, sizeof (fadeout_str), "%u", uint (audioRegion->fade_out()->back()->when));
 759                 }
 760
 761                 break;
 762
 763         default:
 764                 break;
 765         }
 766
 767         if (audioRegion && fades_in_seconds) {
 768
 769                 nframes_t left;
 770                 int mins;
 771                 int millisecs;
 772
 773                 left = audioRegion->fade_in()->back()->when;
 774                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 775                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 776                 millisecs = (int) floor ((left * 1000.0f) / _session->frame_rate());
 777
 778                 if (audioRegion->fade_in()->back()->when >= _session->frame_rate()) {
 779                         sprintf (fadein_str, "%01dM %01dmS", mins, millisecs);
 780                 } else {
 781                         sprintf (fadein_str, "%01dmS", millisecs);
 782                 }
 783
 784                 left = audioRegion->fade_out()->back()->when;
 785                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 786                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 787                 millisecs = (int) floor ((left * 1000.0f) / _session->frame_rate());
 788
 789                 if (audioRegion->fade_out()->back()->when >= _session->frame_rate()) {
 790                         sprintf (fadeout_str, "%01dM %01dmS", mins, millisecs);
 791                 } else {
 792                         sprintf (fadeout_str, "%01dmS", millisecs);
 793                 }
 794         }
 795
 796         if (used > 1) {
 797                 row[_columns.start] = _("Multiple");
 798                 row[_columns.end] = _("Multiple");
 799                 row[_columns.sync] = _("Multiple");
 800                 row[_columns.fadein] = _("Multiple");
 801                 row[_columns.fadeout] = _("Multiple");
 802                 row[_columns.locked] = false;
 803                 row[_columns.glued] = false;
 804                 row[_columns.muted] = false;
 805                 row[_columns.opaque] = false;
 806         } else {
 807                 row[_columns.start] = start_str;
 808                 row[_columns.end] = end_str;
 809
 810                 if (region->sync_position() == region->position()) {
 811                         row[_columns.sync] = _("Start");
 812                 } else if (region->sync_position() == (region->position() + region->length() - 1)) {
 813                         row[_columns.sync] = _("End");
 814                 } else {
 815                         row[_columns.sync] = sync_str;
 816                 }
 817
 818                 if (audioRegion) {
 819                         if (audioRegion->fade_in_active()) {
 820                                 row[_columns.fadein] = string_compose("%1%2%3", " ", fadein_str, " ");
 821                         } else {
 822                                 row[_columns.fadein] = string_compose("%1%2%3", "(", fadein_str, ")");
 823                         }
 824                 } else {
 825                         row[_columns.fadein] = "";
 826                 }
 827
 828                 if (audioRegion) {
 829                         if (audioRegion->fade_out_active()) {
 830                                 row[_columns.fadeout] = string_compose("%1%2%3", " ", fadeout_str, " ");
 831                         } else {
 832                                 row[_columns.fadeout] = string_compose("%1%2%3", "(", fadeout_str, ")");
 833                         }
 834                 } else {
 835                         row[_columns.fadeout] = "";
 836                 }
 837
 838                 row[_columns.locked] = region->locked();
 839
 840                 if (region->position_lock_style() == MusicTime) {
 841                         row[_columns.glued] = true;
 842                 } else {
 843                         row[_columns.glued] = false;
 844                 }
 845
 846                 row[_columns.muted] = region->muted();
 847                 row[_columns.opaque] = region->opaque();
 848         }
 849
 850         row[_columns.length] = length_str;
 851         row[_columns.used] = used_str;
 852
 853         if (missing_source) {
 854                 row[_columns.path] = _("MISSING ") + region->source()->name();
 855         } else {
 856                 row[_columns.path] = region->source()->name();
 857         }
 858
 859         if (region->n_channels() > 1) {
 860                 row[_columns.name] = string_compose("%1  [%2]", region->name(), region->n_channels());
 861         } else {
 862                 row[_columns.name] = region->name();
 863         }
 864 }
 865
 866 void
 867 EditorRegions::build_menu ()
 868 {
 869         _menu = dynamic_cast<Menu*>(ActionManager::get_widget ("/RegionListMenu"));
 870
 871         /* now grab specific menu items that we need */
 872
 873         Glib::RefPtr<Action> act;
 874
 875         _hide_action = ActionManager::get_action (X_("RegionList"), X_("rlHide"));
 876         _show_action = ActionManager::get_action (X_("RegionList"), X_("rlShow"));
 877
 878         act = ActionManager::get_action (X_("RegionList"), X_("rlShowAll"));
 879         if (act) {
 880                 _toggle_full_action = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 881         }
 882
 883         act = ActionManager::get_action (X_("RegionList"), X_("rlShowAuto"));
 884         if (act) {
 885                 _toggle_show_auto_regions_action = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 886         }
 887 }
 888
 889 void
 890 EditorRegions::toggle_show_auto_regions ()
 891 {
 892         _show_automatic_regions = _toggle_show_auto_regions_action->get_active();
 893         redisplay ();
 894 }
 895
 896 void
 897 EditorRegions::toggle_full ()
 898 {
 899         if (_toggle_full_action->get_active()) {
 900                 _display.expand_all ();
 901         } else {
 902                 _display.collapse_all ();
 903         }
 904 }
 905
 906 void
 907 EditorRegions::show_context_menu (int button, int time)
 908 {
 909         if (_menu == 0) {
 910                 build_menu ();
 911         }
 912
 913         if (_display.get_selection()->count_selected_rows() > 0) {
 914                 ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, true);
 915         } else {
 916                 ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, false);
 917         }
 918
 919         /* Enable the "Show" option if any selected regions are hidden, and vice versa for "Hide" */
 920
 921         bool have_shown = false;
 922         bool have_hidden = false;
 923
 924         TreeView::Selection::ListHandle_Path rows = _display.get_selection()->get_selected_rows ();
 925         for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
 926                 TreeIter t = _model->get_iter (*i);
 927                 boost::shared_ptr<Region> r = (*t)[_columns.region];
 928                 if (r) {
 929                         if (r->hidden ()) {
 930                                 have_hidden = true;
 931                         } else {
 932                                 have_shown = true;
 933                         }
 934                 }
 935         }
 936
 937         _hide_action->set_sensitive (have_shown);
 938         _show_action->set_sensitive (have_hidden);
 939
 940         _menu->popup (button, time);
 941 }
 942
 943 bool
 944 EditorRegions::key_press (GdkEventKey* /*ev*/)
 945 {
 946         return false;
 947 }
 948
 949
 950 bool
 951 EditorRegions::button_press (GdkEventButton *ev)
 952 {
 953         boost::shared_ptr<Region> region;
 954         TreeIter iter;
 955         TreeModel::Path path;
 956         TreeViewColumn* column;
 957         int cellx;
 958         int celly;
 959
 960         if (_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 961                 if ((iter = _model->get_iter (path))) {
 962                         region = (*iter)[_columns.region];
 963                 }
 964         }
 965
 966         if (Keyboard::is_context_menu_event (ev)) {
 967                 show_context_menu (ev->button, ev->time);
 968                 return false;
 969         }
 970
 971         if (region != 0 && Keyboard::is_button2_event (ev)) {
 972                 // start/stop audition
 973                 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 974                         _editor->consider_auditioning (region);
 975                 }
 976                 return true;
 977         }
 978
 979         return false;
 980 }
 981
 982 int
 983 EditorRegions::sorter (TreeModel::iterator a, TreeModel::iterator b)
 984 {
 985         int cmp = 0;
 986
 987         boost::shared_ptr<Region> r1 = (*a)[_columns.region];
 988         boost::shared_ptr<Region> r2 = (*b)[_columns.region];
 989
 990         /* handle rows without regions, like "Hidden" */
 991
 992         if (r1 == 0) {
 993                 return -1;
 994         }
 995
 996         if (r2 == 0) {
 997                 return 1;
 998         }
 999
1000         boost::shared_ptr<AudioRegion> region1 = boost::dynamic_pointer_cast<AudioRegion> (r1);
1001         boost::shared_ptr<AudioRegion> region2 = boost::dynamic_pointer_cast<AudioRegion> (r2);
1002
1003         if (region1 == 0 || region2 == 0) {
1004                 std::string s1;
1005                 std::string s2;
1006                 switch (_sort_type) {
1007                 case ByName:
1008                         s1 = (*a)[_columns.name];
1009                         s2 = (*b)[_columns.name];
1010                         return (s1.compare (s2));
1011                 default:
1012                         return 0;
1013                 }
1014         }
1015
1016         switch (_sort_type) {
1017         case ByName:
1018                 cmp = strcasecmp (region1->name().c_str(), region2->name().c_str());
1019                 break;
1020
1021         case ByLength:
1022                 cmp = region1->length() - region2->length();
1023                 break;
1024
1025         case ByPosition:
1026                 cmp = region1->position() - region2->position();
1027                 break;
1028
1029         case ByTimestamp:
1030                 cmp = region1->source()->timestamp() - region2->source()->timestamp();
1031                 break;
1032
1033         case ByStartInFile:
1034                 cmp = region1->start() - region2->start();
1035                 break;
1036
1037         case ByEndInFile:
1038                 // cerr << "Compare " << (region1->start() + region1->length()) << " and " << (region2->start() + region2->length()) << endl;
1039                 cmp = (region1->start() + region1->length()) - (region2->start() + region2->length());
1040                 break;
1041
1042         case BySourceFileName:
1043                 cmp = strcasecmp (region1->source()->name().c_str(), region2->source()->name().c_str());
1044                 break;
1045
1046         case BySourceFileLength:
1047                 cmp = region1->source_length(0) - region2->source_length(0);
1048                 break;
1049
1050         case BySourceFileCreationDate:
1051                 cmp = region1->source()->timestamp() - region2->source()->timestamp();
1052                 break;
1053
1054         case BySourceFileFS:
1055                 if (region1->source()->name() == region2->source()->name()) {
1056                         cmp = strcasecmp (region1->name().c_str(),  region2->name().c_str());
1057                 } else {
1058                         cmp = strcasecmp (region1->source()->name().c_str(),  region2->source()->name().c_str());
1059                 }
1060                 break;
1061         }
1062
1063         // cerr << "Comparison on " << enum_2_string (_sort_type) << " gives " << cmp << endl;
1064
1065         if (cmp < 0) {
1066                 return -1;
1067         } else if (cmp > 0) {
1068                 return 1;
1069         } else {
1070                 return 0;
1071         }
1072 }
1073
1074 void
1075 EditorRegions::reset_sort_type (RegionListSortType type, bool force)
1076 {
1077         if (type != _sort_type || force) {
1078                 _sort_type = type;
1079                 _model->set_sort_func (0, (sigc::mem_fun (*this, &EditorRegions::sorter)));
1080         }
1081 }
1082
1083 void
1084 EditorRegions::reset_sort_direction (bool up)
1085 {
1086         _model->set_sort_column (0, up ? SORT_ASCENDING : SORT_DESCENDING);
1087 }
1088
1089 void
1090 EditorRegions::selection_mapover (sigc::slot<void,boost::shared_ptr<Region> > sl)
1091 {
1092         Glib::RefPtr<TreeSelection> selection = _display.get_selection();
1093         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
1094         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
1095
1096         if (selection->count_selected_rows() == 0 || _session == 0) {
1097                 return;
1098         }
1099
1100         for (; i != rows.end(); ++i) {
1101                 TreeIter iter;
1102
1103                 if ((iter = _model->get_iter (*i))) {
1104
1105                         /* some rows don't have a region associated with them, but can still be
1106                            selected (XXX maybe prevent them from being selected)
1107                         */
1108
1109                         boost::shared_ptr<Region> r = (*iter)[_columns.region];
1110
1111                         if (r) {
1112                                 sl (r);
1113                         }
1114                 }
1115         }
1116 }
1117
1118
1119 void
1120 EditorRegions::drag_data_received (const RefPtr<Gdk::DragContext>& context,
1121                                    int x, int y,
1122                                    const SelectionData& data,
1123                                    guint info, guint time)
1124 {
1125         vector<string> paths;
1126
1127         if (data.get_target() == "GTK_TREE_MODEL_ROW") {
1128                 /* something is being dragged over the region list */
1129                 _editor->_drags->abort ();
1130                 _display.on_drag_data_received (context, x, y, data, info, time);
1131                 return;
1132         }
1133
1134         if (_editor->convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
1135                 framepos_t pos = 0;
1136                 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
1137                         _editor->do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsRegion, SrcBest, pos);
1138                 } else {
1139                         _editor->do_embed (paths, Editing::ImportDistinctFiles, ImportAsRegion, pos);
1140                 }
1141                 context->drag_finish (true, false, time);
1142         }
1143 }
1144
1145 bool
1146 EditorRegions::selection_filter (const RefPtr<TreeModel>& model, const TreeModel::Path& path, bool /*yn*/)
1147 {
1148         /* not possible to select rows that do not represent regions, like "Hidden" */
1149
1150         TreeModel::iterator iter = model->get_iter (path);
1151
1152         if (iter) {
1153                 boost::shared_ptr<Region> r =(*iter)[_columns.region];
1154                 if (!r) {
1155                         return false;
1156                 }
1157         }
1158
1159         return true;
1160 }
1161
1162 void
1163 EditorRegions::name_edit (const std::string& path, const std::string& new_text)
1164 {
1165         boost::shared_ptr<Region> region;
1166         TreeIter iter;
1167
1168         if ((iter = _model->get_iter (path))) {
1169                 region = (*iter)[_columns.region];
1170                 (*iter)[_columns.name] = new_text;
1171         }
1172
1173         /* now mapover everything */
1174
1175         if (region) {
1176                 vector<RegionView*> equivalents;
1177                 _editor->get_regions_corresponding_to (region, equivalents);
1178
1179                 for (vector<RegionView*>::iterator i = equivalents.begin(); i != equivalents.end(); ++i) {
1180                         if (new_text != (*i)->region()->name()) {
1181                                 (*i)->region()->set_name (new_text);
1182                         }
1183                 }
1184         }
1185
1186 }
1187
1188 /** @return Region that has been dragged out of the list, or 0 */
1189 boost::shared_ptr<Region>
1190 EditorRegions::get_dragged_region ()
1191 {
1192         list<boost::shared_ptr<Region> > regions;
1193         TreeView* source;
1194         _display.get_object_drag_data (regions, &source);
1195
1196         if (regions.empty()) {
1197                 return boost::shared_ptr<Region> ();
1198         }
1199
1200         assert (regions.size() == 1);
1201         return regions.front ();
1202 }
1203
1204 void
1205 EditorRegions::clear ()
1206 {
1207         _display.set_model (Glib::RefPtr<Gtk::TreeStore> (0));
1208         _model->clear ();
1209         _display.set_model (_model);
1210 }
1211
1212 boost::shared_ptr<Region>
1213 EditorRegions::get_single_selection ()
1214 {
1215         Glib::RefPtr<TreeSelection> selected = _display.get_selection();
1216
1217         if (selected->count_selected_rows() != 1) {
1218                 return boost::shared_ptr<Region> ();
1219         }
1220
1221         TreeView::Selection::ListHandle_Path rows = selected->get_selected_rows ();
1222
1223         /* only one row selected, so rows.begin() is it */
1224
1225         TreeIter iter = _model->get_iter (*rows.begin());
1226
1227         if (!iter) {
1228                 return boost::shared_ptr<Region> ();
1229         }
1230
1231         return (*iter)[_columns.region];
1232 }
1233
1234 void
1235 EditorRegions::locked_changed (std::string const & path)
1236 {
1237         TreeIter i = _model->get_iter (path);
1238         if (i) {
1239                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1240                 if (region) {
1241                         region->set_locked (!(*i)[_columns.locked]);
1242                 }
1243         }
1244 }
1245
1246 void
1247 EditorRegions::glued_changed (std::string const & path)
1248 {
1249         TreeIter i = _model->get_iter (path);
1250         if (i) {
1251                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1252                 if (region) {
1253                         /* `glued' means MusicTime, and we're toggling here */
1254                         region->set_position_lock_style ((*i)[_columns.glued] ? AudioTime : MusicTime);
1255                 }
1256         }
1257
1258 }
1259
1260 void
1261 EditorRegions::muted_changed (std::string const & path)
1262 {
1263         TreeIter i = _model->get_iter (path);
1264         if (i) {
1265                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1266                 if (region) {
1267                         region->set_muted (!(*i)[_columns.muted]);
1268                 }
1269         }
1270
1271 }
1272
1273 void
1274 EditorRegions::opaque_changed (std::string const & path)
1275 {
1276         TreeIter i = _model->get_iter (path);
1277         if (i) {
1278                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1279                 if (region) {
1280                         region->set_opaque (!(*i)[_columns.opaque]);
1281                 }
1282         }
1283
1284 }