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                         if ((*iter)[_columns.name] != _("Hidden")) {
 200                                 parent = *(_model->insert(iter));
 201                                 parent[_columns.name] = _("Hidden");
 202                                 boost::shared_ptr<Region> proxy = parent[_columns.region];
 203                                 proxy.reset ();
 204                         } else {
 205                                 parent = *iter;
 206                         }
 207                 }
 208
 209                 row = *(_model->append (parent.children()));
 210
 211         } else if (region->whole_file()) {
 212
 213                 TreeModel::iterator i;
 214                 TreeModel::Children rows = _model->children();
 215
 216                 for (i = rows.begin(); i != rows.end(); ++i) {
 217                         boost::shared_ptr<Region> rr = (*i)[_columns.region];
 218
 219                         if (rr && region->region_list_equivalent (rr)) {
 220                                 return;
 221                         }
 222                 }
 223
 224                 row = *(_model->append());
 225
 226                 if (missing_source) {
 227                         c.set_rgb(65535,0,0);     // FIXME: error color from style
 228
 229                 } else if (region->automatic()){
 230                         c.set_rgb(0,65535,0);     // FIXME: error color from style
 231
 232                 } else {
 233                         set_color(c, rgba_from_style ("RegionListWholeFile", 0xff, 0, 0, 0, "fg", Gtk::STATE_NORMAL, false ));
 234
 235                 }
 236
 237                 row[_columns.color_] = c;
 238
 239                 if (region->source()->name()[0] == '/') { // external file
 240
 241                         if (region->whole_file()) {
 242
 243                                 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(region->source());
 244                                 str = ".../";
 245
 246                                 if (afs) {
 247                                         str = region_name_from_path (afs->path(), region->n_channels() > 1);
 248                                 } else {
 249                                         str += region->source()->name();
 250                                 }
 251
 252                         } else {
 253                                 str = region->name();
 254                         }
 255
 256                 } else {
 257                         str = region->name();
 258                 }
 259
 260                 if (region->n_channels() > 1) {
 261                         std::stringstream foo;
 262                         foo << region->n_channels ();
 263                         str += " [";
 264                         str += foo.str();
 265                         str += "]";
 266                 }
 267
 268                 row[_columns.name] = str;
 269                 row[_columns.region] = region;
 270                 row[_columns.property_toggles_visible] = false;
 271
 272                 if (missing_source) {
 273                         row[_columns.path] = _("(MISSING) ") + region->source()->name();
 274
 275                 } else {
 276                         row[_columns.path] = region->source()->name();
 277
 278                 }
 279
 280                 if (region->automatic()) {
 281                         return;
 282                 }
 283
 284         } else {
 285
 286                 /* find parent node, add as new child */
 287
 288                 TreeModel::iterator i;
 289                 TreeModel::Children rows = _model->children();
 290                 bool found_parent = false;
 291
 292                 for (i = rows.begin(); i != rows.end(); ++i) {
 293                         boost::shared_ptr<Region> rr = (*i)[_columns.region];
 294                         boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion>(rr);
 295
 296                         if (r && r->whole_file()) {
 297
 298                                 if (region->source_equivalent (r)) {
 299                                         row = *(_model->append ((*i).children()));
 300                                         found_parent = true;
 301                                         break;
 302                                 }
 303                         }
 304
 305                         TreeModel::iterator ii;
 306                         TreeModel::Children subrows = (*i).children();
 307
 308                         for (ii = subrows.begin(); ii != subrows.end(); ++ii) {
 309                                 boost::shared_ptr<Region> rrr = (*ii)[_columns.region];
 310
 311                                 if (region->region_list_equivalent (rrr)) {
 312                                         return;
 313
 314                                 }
 315                         }
 316                 }
 317
 318                 if (!found_parent) {
 319                         row = *(_model->append());
 320                 }
 321
 322                 row[_columns.property_toggles_visible] = true;
 323         }
 324
 325         row[_columns.region] = region;
 326
 327         populate_row(region, (*row));
 328 }
 329
 330 void
 331 EditorRegions::region_changed (boost::shared_ptr<Region> r, const PropertyChange& what_changed)
 332 {
 333         if (what_changed.contains (ARDOUR::Properties::name) ||
 334             what_changed.contains (ARDOUR::Properties::start) ||
 335             what_changed.contains (ARDOUR::Properties::position) ||
 336             what_changed.contains (ARDOUR::Properties::length) ||
 337             what_changed.contains (ARDOUR::Properties::locked) ||
 338             what_changed.contains (ARDOUR::Properties::position_lock_style) ||
 339             what_changed.contains (ARDOUR::Properties::muted) ||
 340             what_changed.contains (ARDOUR::Properties::opaque)) {
 341
 342                 /* find the region in our model and update its row */
 343                 TreeModel::Children rows = _model->children ();
 344                 TreeModel::iterator i = rows.begin ();
 345                 while (i != rows.end ()) {
 346                         TreeModel::Children children = (*i)->children ();
 347                         TreeModel::iterator j = children.begin ();
 348                         while (j != children.end()) {
 349                                 boost::shared_ptr<Region> c = (*j)[_columns.region];
 350                                 if (c == r) {
 351                                         break;
 352                                 }
 353                                 ++j;
 354                         }
 355
 356                         if (j != children.end()) {
 357                                 populate_row (r, *j);
 358                         }
 359
 360                         ++i;
 361                 }
 362
 363         }
 364
 365         if (what_changed.contains (ARDOUR::Properties::hidden)) {
 366                 redisplay ();
 367         }
 368 }
 369
 370 void
 371 EditorRegions::selection_changed ()
 372 {
 373         if (ignore_region_list_selection_change) {
 374                 return;
 375         }
 376
 377         if (_display.get_selection()->count_selected_rows() > 0) {
 378
 379                 TreeIter iter;
 380                 TreeView::Selection::ListHandle_Path rows = _display.get_selection()->get_selected_rows ();
 381
 382                 _editor->get_selection().clear_regions ();
 383
 384                 for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
 385
 386                         if (iter = _model->get_iter (*i)) {
 387                                 boost::shared_ptr<Region> region = (*iter)[_columns.region];
 388
 389                                 // they could have clicked on a row that is just a placeholder, like "Hidden"
 390
 391                                 if (region) {
 392
 393                                         if (region->automatic()) {
 394
 395                                                 _display.get_selection()->unselect(*i);
 396
 397                                         } else {
 398                                                 _change_connection.block (true);
 399                                                 _editor->set_selected_regionview_from_region_list (region, Selection::Add);
 400
 401                                                 _change_connection.block (false);
 402                                         }
 403                                 }
 404                         }
 405                 }
 406         } else {
 407                 _editor->get_selection().clear_regions ();
 408         }
 409 }
 410
 411 void
 412 EditorRegions::set_selected (RegionSelection& regions)
 413 {
 414         for (RegionSelection::iterator iter = regions.begin(); iter != regions.end(); ++iter) {
 415
 416                 TreeModel::iterator i;
 417                 TreeModel::Children rows = _model->children();
 418                 boost::shared_ptr<Region> r ((*iter)->region());
 419
 420                 for (i = rows.begin(); i != rows.end(); ++i) {
 421
 422                         boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 423
 424                         if (r == compared_region) {
 425                                 _display.get_selection()->select(*i);
 426                                 break;
 427                         }
 428
 429                         if (!(*i).children().empty()) {
 430                                 if (set_selected_in_subrow(r, (*i), 2)) {
 431                                         break;
 432                                 }
 433                         }
 434                 }
 435         }
 436 }
 437
 438 bool
 439 EditorRegions::set_selected_in_subrow (boost::shared_ptr<Region> region, TreeModel::Row const &parent_row, int level)
 440 {
 441         TreeModel::iterator i;
 442         TreeModel::Children subrows = (*parent_row).children();
 443
 444         for (i = subrows.begin(); i != subrows.end(); ++i) {
 445
 446                 boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 447
 448                 if (region == compared_region) {
 449                         _display.get_selection()->select(*i);
 450                         return true;
 451                 }
 452
 453                 if (!(*i).children().empty()) {
 454                         if (set_selected_in_subrow (region, (*i), level + 1)) {
 455                                 return true;
 456                         }
 457                 }
 458         }
 459         return false;
 460 }
 461
 462 void
 463 EditorRegions::insert_into_tmp_regionlist(boost::shared_ptr<Region> region)
 464 {
 465         /* keep all whole files at the beginning */
 466
 467         if (region->whole_file()) {
 468                 tmp_region_list.push_front (region);
 469         } else {
 470                 tmp_region_list.push_back (region);
 471         }
 472 }
 473
 474 void
 475 EditorRegions::redisplay ()
 476 {
 477         if (_no_redisplay || !_session) {
 478                 return;
 479         }
 480
 481         bool tree_expanded = false;
 482
 483         if (_toggle_full_action && _toggle_full_action->get_active()) {   //If the list was expanded prior to rebuilding,
 484                 tree_expanded = true;                                                                                                                           //expand it again afterwards
 485         }
 486
 487         _display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
 488         _model->clear ();
 489
 490         /* now add everything we have, via a temporary list used to help with
 491                 sorting.
 492         */
 493
 494         tmp_region_list.clear();
 495
 496         const RegionFactory::RegionMap& regions (RegionFactory::regions());
 497         for (RegionFactory::RegionMap::const_iterator i = regions.begin(); i != regions.end(); ++i) {
 498                 insert_into_tmp_regionlist (i->second);
 499         }
 500
 501         for (list<boost::shared_ptr<Region> >::iterator r = tmp_region_list.begin(); r != tmp_region_list.end(); ++r) {
 502                 add_region (*r);
 503         }
 504         tmp_region_list.clear();
 505
 506         _display.set_model (_model);
 507
 508         if (tree_expanded) {
 509                 _display.expand_all();
 510         }
 511 }
 512
 513 void
 514 EditorRegions::update_row (boost::shared_ptr<Region> region)
 515 {
 516         if (!region || !_session) {
 517                 return;
 518         }
 519
 520         TreeModel::iterator i;
 521         TreeModel::Children rows = _model->children();
 522
 523         return;
 524
 525         for (i = rows.begin(); i != rows.end(); ++i) {
 526
 527 //              cerr << "Level 1: Compare " << region->name() << " with parent " << (*i)[_columns.name] << "\n";
 528
 529                 boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 530
 531                 if (region == compared_region) {
 532 //                      cerr << "Matched\n";
 533                         populate_row(region, (*i));
 534                         return;
 535                 }
 536
 537                 if (!(*i).children().empty()) {
 538                         if (update_subrows(region, (*i), 2)) {
 539                                 return;
 540                         }
 541                 }
 542         }
 543
 544 //      cerr << "Returning - No match\n";
 545 }
 546
 547 bool
 548 EditorRegions::update_subrows (boost::shared_ptr<Region> region, TreeModel::Row const &parent_row, int level)
 549 {
 550         TreeModel::iterator i;
 551         TreeModel::Children subrows = (*parent_row).children();
 552
 553         for (i = subrows.begin(); i != subrows.end(); ++i) {
 554
 555 //              cerr << "Level " << level << ": Compare " << region->name() << " with child " << (*i)[_columns.name] << "\n";
 556
 557                 boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
 558
 559                 if (region == compared_region) {
 560                         populate_row(region, (*i));
 561 //                      cerr << "Matched\n";
 562                         return true;
 563                 }
 564
 565                 if (!(*i).children().empty()) {
 566                         if (update_subrows (region, (*i), level + 1)) {
 567                                 return true;
 568                         }
 569                 }
 570         }
 571
 572         return false;
 573 }
 574
 575 void
 576 EditorRegions::update_all_rows ()
 577 {
 578         if (!_session) {
 579                 return;
 580         }
 581
 582         TreeModel::iterator i;
 583         TreeModel::Children rows = _model->children();
 584
 585         for (i = rows.begin(); i != rows.end(); ++i) {
 586
 587                 boost::shared_ptr<Region> region = (*i)[_columns.region];
 588
 589                 if (!region->automatic()) {
 590                         populate_row(region, (*i));
 591                 }
 592
 593                 if (!(*i).children().empty()) {
 594                         update_all_subrows ((*i), 2);
 595                 }
 596         }
 597 }
 598
 599 void
 600 EditorRegions::update_all_subrows (TreeModel::Row const &parent_row, int level)
 601 {
 602         TreeModel::iterator i;
 603         TreeModel::Children subrows = (*parent_row).children();
 604
 605         for (i = subrows.begin(); i != subrows.end(); ++i) {
 606
 607                 boost::shared_ptr<Region> region = (*i)[_columns.region];
 608
 609                 if (!region->automatic()) {
 610                         populate_row(region, (*i));
 611                 }
 612
 613                 if (!(*i).children().empty()) {
 614                         update_all_subrows ((*i), level + 1);
 615                 }
 616         }
 617 }
 618
 619 void
 620 EditorRegions::populate_row (boost::shared_ptr<Region> region, TreeModel::Row const &row)
 621 {
 622         char start_str[16];
 623         char end_str[16];
 624         char length_str[16];
 625         char sync_str[16];
 626         char fadein_str[16];
 627         char fadeout_str[16];
 628         char used_str[8];
 629         int used;
 630         BBT_Time bbt;
 631         Timecode::Time timecode;
 632
 633         bool missing_source = boost::dynamic_pointer_cast<SilentFileSource>(region->source());
 634
 635         boost::shared_ptr<AudioRegion> audioRegion = boost::dynamic_pointer_cast<AudioRegion>(region);
 636
 637         bool fades_in_seconds = false;
 638
 639         start_str[0] = '\0';
 640         end_str[0] = '\0';
 641         length_str[0] = '\0';
 642         sync_str[0] = '\0';
 643         fadein_str[0] = '\0';
 644         fadeout_str[0] = '\0';
 645         used_str[0] = '\0';
 646
 647         used = _editor->get_regionview_count_from_region_list (region);
 648         sprintf (used_str, "%4d" , used);
 649
 650         switch (ARDOUR_UI::instance()->secondary_clock.mode ()) {
 651         case AudioClock::Timecode:
 652         case AudioClock::Off:                                                                                           /* If the secondary clock is off, default to Timecode */
 653                 _session->timecode_time (region->position(), timecode);
 654                 sprintf (start_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 655                 _session->timecode_time (region->position() + region->length() - 1, timecode);
 656                 sprintf (end_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 657                 _session->timecode_time (region->length(), timecode);
 658                 sprintf (length_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 659                 _session->timecode_time (region->sync_position() + region->position(), timecode);
 660                 sprintf (sync_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 661
 662                 if (audioRegion && !fades_in_seconds) {
 663                         _session->timecode_time (audioRegion->fade_in()->back()->when, timecode);
 664                         sprintf (fadein_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 665                         _session->timecode_time (audioRegion->fade_out()->back()->when, timecode);
 666                         sprintf (fadeout_str, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 667                 }
 668
 669                 break;
 670
 671         case AudioClock::BBT:
 672                 _session->tempo_map().bbt_time (region->position(), bbt);
 673                 sprintf (start_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 674                 _session->tempo_map().bbt_time (region->position() + region->length() - 1, bbt);
 675                 sprintf (end_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 676                 _session->tempo_map().bbt_time (region->length(), bbt);
 677                 sprintf (length_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 678                 _session->tempo_map().bbt_time (region->sync_position() + region->position(), bbt);
 679                 sprintf (sync_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 680
 681                 if (audioRegion && !fades_in_seconds) {
 682                         _session->tempo_map().bbt_time (audioRegion->fade_in()->back()->when, bbt);
 683                         sprintf (fadein_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 684                         _session->tempo_map().bbt_time (audioRegion->fade_out()->back()->when, bbt);
 685                         sprintf (fadeout_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 686                 }
 687                 break;
 688
 689         case AudioClock::MinSec:
 690                 nframes_t left;
 691                 int hrs;
 692                 int mins;
 693                 float secs;
 694
 695                 left = region->position();
 696                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 697                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 698                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 699                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 700                 secs = left / (float) _session->frame_rate();
 701                 sprintf (start_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 702
 703                 left = region->position() + region->length() - 1;
 704                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 705                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 706                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 707                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 708                 secs = left / (float) _session->frame_rate();
 709                 sprintf (end_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 710
 711                 left = region->length();
 712                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 713                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 714                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 715                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 716                 secs = left / (float) _session->frame_rate();
 717                 sprintf (length_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 718
 719                 left = region->sync_position() + region->position();
 720                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 721                 left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 722                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 723                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 724                 secs = left / (float) _session->frame_rate();
 725                 sprintf (sync_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 726
 727                 if (audioRegion && !fades_in_seconds) {
 728                         left = audioRegion->fade_in()->back()->when;
 729                         hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 730                         left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 731                         mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 732                         left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 733                         secs = left / (float) _session->frame_rate();
 734                         sprintf (fadein_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 735
 736                         left = audioRegion->fade_out()->back()->when;
 737                         hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 738                         left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 739                         mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 740                         left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 741                         secs = left / (float) _session->frame_rate();
 742                         sprintf (fadeout_str, "%02d:%02d:%06.3f", hrs, mins, secs);
 743                 }
 744
 745                 break;
 746
 747         case AudioClock::Frames:
 748                 snprintf (start_str, sizeof (start_str), "%" PRId64, region->position());
 749                 snprintf (end_str, sizeof (end_str), "%" PRId64, (region->last_frame()));
 750                 snprintf (length_str, sizeof (length_str), "%" PRId64, region->length());
 751                 snprintf (sync_str, sizeof (sync_str), "%" PRId64, region->sync_position() + region->position());
 752
 753                 if (audioRegion && !fades_in_seconds) {
 754                         snprintf (fadein_str, sizeof (fadein_str), "%u", uint (audioRegion->fade_in()->back()->when));
 755                         snprintf (fadeout_str, sizeof (fadeout_str), "%u", uint (audioRegion->fade_out()->back()->when));
 756                 }
 757
 758                 break;
 759
 760         default:
 761                 break;
 762         }
 763
 764         if (audioRegion && fades_in_seconds) {
 765
 766                 nframes_t left;
 767                 int mins;
 768                 int millisecs;
 769
 770                 left = audioRegion->fade_in()->back()->when;
 771                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 772                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 773                 millisecs = (int) floor ((left * 1000.0f) / _session->frame_rate());
 774
 775                 if (audioRegion->fade_in()->back()->when >= _session->frame_rate()) {
 776                         sprintf (fadein_str, "%01dM %01dmS", mins, millisecs);
 777                 } else {
 778                         sprintf (fadein_str, "%01dmS", millisecs);
 779                 }
 780
 781                 left = audioRegion->fade_out()->back()->when;
 782                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 783                 left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
 784                 millisecs = (int) floor ((left * 1000.0f) / _session->frame_rate());
 785
 786                 if (audioRegion->fade_out()->back()->when >= _session->frame_rate()) {
 787                         sprintf (fadeout_str, "%01dM %01dmS", mins, millisecs);
 788                 } else {
 789                         sprintf (fadeout_str, "%01dmS", millisecs);
 790                 }
 791         }
 792
 793         if (used > 1) {
 794                 row[_columns.start] = _("Multiple");
 795                 row[_columns.end] = _("Multiple");
 796                 row[_columns.sync] = _("Multiple");
 797                 row[_columns.fadein] = _("Multiple");
 798                 row[_columns.fadeout] = _("Multiple");
 799                 row[_columns.locked] = false;
 800                 row[_columns.glued] = false;
 801                 row[_columns.muted] = false;
 802                 row[_columns.opaque] = false;
 803         } else {
 804                 row[_columns.start] = start_str;
 805                 row[_columns.end] = end_str;
 806
 807                 if (region->sync_position() == 0) {
 808                         row[_columns.sync] = _("Start");
 809                 } else if (region->sync_position() == region->length() - 1) {
 810                         row[_columns.sync] = _("End");
 811                 } else {
 812                         row[_columns.sync] = sync_str;
 813                 }
 814
 815                 if (audioRegion) {
 816                         if (audioRegion->fade_in_active()) {
 817                                 row[_columns.fadein] = string_compose("%1%2%3", " ", fadein_str, " ");
 818                         } else {
 819                                 row[_columns.fadein] = string_compose("%1%2%3", "(", fadein_str, ")");
 820                         }
 821                 } else {
 822                         row[_columns.fadein] = "";
 823                 }
 824
 825                 if (audioRegion) {
 826                         if (audioRegion->fade_out_active()) {
 827                                 row[_columns.fadeout] = string_compose("%1%2%3", " ", fadeout_str, " ");
 828                         } else {
 829                                 row[_columns.fadeout] = string_compose("%1%2%3", "(", fadeout_str, ")");
 830                         }
 831                 } else {
 832                         row[_columns.fadeout] = "";
 833                 }
 834
 835                 row[_columns.locked] = region->locked();
 836
 837                 if (region->position_lock_style() == MusicTime) {
 838                         row[_columns.glued] = true;
 839                 } else {
 840                         row[_columns.glued] = false;
 841                 }
 842
 843                 row[_columns.muted] = region->muted();
 844                 row[_columns.opaque] = region->opaque();
 845         }
 846
 847         row[_columns.length] = length_str;
 848         row[_columns.used] = used_str;
 849
 850         if (missing_source) {
 851                 row[_columns.path] = _("MISSING ") + region->source()->name();
 852         } else {
 853                 row[_columns.path] = region->source()->name();
 854         }
 855
 856         if (region->n_channels() > 1) {
 857                 row[_columns.name] = string_compose("%1  [%2]", region->name(), region->n_channels());
 858         } else {
 859                 row[_columns.name] = region->name();
 860         }
 861 }
 862
 863 void
 864 EditorRegions::build_menu ()
 865 {
 866         _menu = dynamic_cast<Menu*>(ActionManager::get_widget ("/RegionListMenu"));
 867
 868         /* now grab specific menu items that we need */
 869
 870         Glib::RefPtr<Action> act;
 871
 872         _hide_action = ActionManager::get_action (X_("RegionList"), X_("rlHide"));
 873         _show_action = ActionManager::get_action (X_("RegionList"), X_("rlShow"));
 874
 875         act = ActionManager::get_action (X_("RegionList"), X_("rlShowAll"));
 876         if (act) {
 877                 _toggle_full_action = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 878         }
 879
 880         act = ActionManager::get_action (X_("RegionList"), X_("rlShowAuto"));
 881         if (act) {
 882                 _toggle_show_auto_regions_action = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 883         }
 884 }
 885
 886 void
 887 EditorRegions::toggle_show_auto_regions ()
 888 {
 889         _show_automatic_regions = _toggle_show_auto_regions_action->get_active();
 890         redisplay ();
 891 }
 892
 893 void
 894 EditorRegions::toggle_full ()
 895 {
 896         if (_toggle_full_action->get_active()) {
 897                 _display.expand_all ();
 898         } else {
 899                 _display.collapse_all ();
 900         }
 901 }
 902
 903 void
 904 EditorRegions::show_context_menu (int button, int time)
 905 {
 906         if (_menu == 0) {
 907                 build_menu ();
 908         }
 909
 910         if (_display.get_selection()->count_selected_rows() > 0) {
 911                 ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, true);
 912         } else {
 913                 ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, false);
 914         }
 915
 916         /* Enable the "Show" option if any selected regions are hidden, and vice versa for "Hide" */
 917
 918         bool have_shown = false;
 919         bool have_hidden = false;
 920
 921         TreeView::Selection::ListHandle_Path rows = _display.get_selection()->get_selected_rows ();
 922         for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
 923                 TreeIter t = _model->get_iter (*i);
 924                 boost::shared_ptr<Region> r = (*t)[_columns.region];
 925                 if (r) {
 926                         if (r->hidden ()) {
 927                                 have_hidden = true;
 928                         } else {
 929                                 have_shown = true;
 930                         }
 931                 }
 932         }
 933
 934         _hide_action->set_sensitive (have_shown);
 935         _show_action->set_sensitive (have_hidden);
 936
 937         _menu->popup (button, time);
 938 }
 939
 940 bool
 941 EditorRegions::key_press (GdkEventKey* /*ev*/)
 942 {
 943         return false;
 944 }
 945
 946
 947 bool
 948 EditorRegions::button_press (GdkEventButton *ev)
 949 {
 950         boost::shared_ptr<Region> region;
 951         TreeIter iter;
 952         TreeModel::Path path;
 953         TreeViewColumn* column;
 954         int cellx;
 955         int celly;
 956
 957         if (_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 958                 if ((iter = _model->get_iter (path))) {
 959                         region = (*iter)[_columns.region];
 960                 }
 961         }
 962
 963         if (Keyboard::is_context_menu_event (ev)) {
 964                 show_context_menu (ev->button, ev->time);
 965                 return false;
 966         }
 967
 968         if (region != 0 && Keyboard::is_button2_event (ev)) {
 969                 // start/stop audition
 970                 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 971                         _editor->consider_auditioning (region);
 972                 }
 973                 return true;
 974         }
 975
 976         return false;
 977 }
 978
 979 int
 980 EditorRegions::sorter (TreeModel::iterator a, TreeModel::iterator b)
 981 {
 982         int cmp = 0;
 983
 984         boost::shared_ptr<Region> r1 = (*a)[_columns.region];
 985         boost::shared_ptr<Region> r2 = (*b)[_columns.region];
 986
 987         /* handle rows without regions, like "Hidden" */
 988
 989         if (r1 == 0) {
 990                 return -1;
 991         }
 992
 993         if (r2 == 0) {
 994                 return 1;
 995         }
 996
 997         boost::shared_ptr<AudioRegion> region1 = boost::dynamic_pointer_cast<AudioRegion> (r1);
 998         boost::shared_ptr<AudioRegion> region2 = boost::dynamic_pointer_cast<AudioRegion> (r2);
 999
1000         if (region1 == 0 || region2 == 0) {
1001                 Glib::ustring s1;
1002                 Glib::ustring s2;
1003                 switch (_sort_type) {
1004                 case ByName:
1005                         s1 = (*a)[_columns.name];
1006                         s2 = (*b)[_columns.name];
1007                         return (s1.compare (s2));
1008                 default:
1009                         return 0;
1010                 }
1011         }
1012
1013         switch (_sort_type) {
1014         case ByName:
1015                 cmp = strcasecmp (region1->name().c_str(), region2->name().c_str());
1016                 break;
1017
1018         case ByLength:
1019                 cmp = region1->length() - region2->length();
1020                 break;
1021
1022         case ByPosition:
1023                 cmp = region1->position() - region2->position();
1024                 break;
1025
1026         case ByTimestamp:
1027                 cmp = region1->source()->timestamp() - region2->source()->timestamp();
1028                 break;
1029
1030         case ByStartInFile:
1031                 cmp = region1->start() - region2->start();
1032                 break;
1033
1034         case ByEndInFile:
1035                 // cerr << "Compare " << (region1->start() + region1->length()) << " and " << (region2->start() + region2->length()) << endl;
1036                 cmp = (region1->start() + region1->length()) - (region2->start() + region2->length());
1037                 break;
1038
1039         case BySourceFileName:
1040                 cmp = strcasecmp (region1->source()->name().c_str(), region2->source()->name().c_str());
1041                 break;
1042
1043         case BySourceFileLength:
1044                 cmp = region1->source_length(0) - region2->source_length(0);
1045                 break;
1046
1047         case BySourceFileCreationDate:
1048                 cmp = region1->source()->timestamp() - region2->source()->timestamp();
1049                 break;
1050
1051         case BySourceFileFS:
1052                 if (region1->source()->name() == region2->source()->name()) {
1053                         cmp = strcasecmp (region1->name().c_str(),  region2->name().c_str());
1054                 } else {
1055                         cmp = strcasecmp (region1->source()->name().c_str(),  region2->source()->name().c_str());
1056                 }
1057                 break;
1058         }
1059
1060         // cerr << "Comparison on " << enum_2_string (_sort_type) << " gives " << cmp << endl;
1061
1062         if (cmp < 0) {
1063                 return -1;
1064         } else if (cmp > 0) {
1065                 return 1;
1066         } else {
1067                 return 0;
1068         }
1069 }
1070
1071 void
1072 EditorRegions::reset_sort_type (RegionListSortType type, bool force)
1073 {
1074         if (type != _sort_type || force) {
1075                 _sort_type = type;
1076                 _model->set_sort_func (0, (sigc::mem_fun (*this, &EditorRegions::sorter)));
1077         }
1078 }
1079
1080 void
1081 EditorRegions::reset_sort_direction (bool up)
1082 {
1083         _model->set_sort_column (0, up ? SORT_ASCENDING : SORT_DESCENDING);
1084 }
1085
1086 void
1087 EditorRegions::selection_mapover (sigc::slot<void,boost::shared_ptr<Region> > sl)
1088 {
1089         Glib::RefPtr<TreeSelection> selection = _display.get_selection();
1090         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
1091         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
1092
1093         if (selection->count_selected_rows() == 0 || _session == 0) {
1094                 return;
1095         }
1096
1097         for (; i != rows.end(); ++i) {
1098                 TreeIter iter;
1099
1100                 if ((iter = _model->get_iter (*i))) {
1101
1102                         /* some rows don't have a region associated with them, but can still be
1103                            selected (XXX maybe prevent them from being selected)
1104                         */
1105
1106                         boost::shared_ptr<Region> r = (*iter)[_columns.region];
1107
1108                         if (r) {
1109                                 sl (r);
1110                         }
1111                 }
1112         }
1113 }
1114
1115
1116 void
1117 EditorRegions::drag_data_received (const RefPtr<Gdk::DragContext>& context,
1118                                    int x, int y,
1119                                    const SelectionData& data,
1120                                    guint info, guint time)
1121 {
1122         vector<ustring> paths;
1123
1124         if (data.get_target() == "GTK_TREE_MODEL_ROW") {
1125                 /* something is being dragged over the region list */
1126                 _editor->_drags->abort ();
1127                 _display.on_drag_data_received (context, x, y, data, info, time);
1128                 return;
1129         }
1130
1131         if (_editor->convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
1132                 nframes64_t pos = 0;
1133                 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
1134                         _editor->do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsRegion, SrcBest, pos);
1135                 } else {
1136                         _editor->do_embed (paths, Editing::ImportDistinctFiles, ImportAsRegion, pos);
1137                 }
1138                 context->drag_finish (true, false, time);
1139         }
1140 }
1141
1142 bool
1143 EditorRegions::selection_filter (const RefPtr<TreeModel>& model, const TreeModel::Path& path, bool /*yn*/)
1144 {
1145         /* not possible to select rows that do not represent regions, like "Hidden" */
1146
1147         TreeModel::iterator iter = model->get_iter (path);
1148
1149         if (iter) {
1150                 boost::shared_ptr<Region> r =(*iter)[_columns.region];
1151                 if (!r) {
1152                         return false;
1153                 }
1154         }
1155
1156         return true;
1157 }
1158
1159 void
1160 EditorRegions::name_edit (const Glib::ustring& path, const Glib::ustring& new_text)
1161 {
1162         boost::shared_ptr<Region> region;
1163         TreeIter iter;
1164
1165         if ((iter = _model->get_iter (path))) {
1166                 region = (*iter)[_columns.region];
1167                 (*iter)[_columns.name] = new_text;
1168         }
1169
1170         /* now mapover everything */
1171
1172         if (region) {
1173                 vector<RegionView*> equivalents;
1174                 _editor->get_regions_corresponding_to (region, equivalents);
1175
1176                 for (vector<RegionView*>::iterator i = equivalents.begin(); i != equivalents.end(); ++i) {
1177                         if (new_text != (*i)->region()->name()) {
1178                                 (*i)->region()->set_name (new_text);
1179                         }
1180                 }
1181         }
1182
1183 }
1184
1185 /** @return Region that has been dragged out of the list, or 0 */
1186 boost::shared_ptr<Region>
1187 EditorRegions::get_dragged_region ()
1188 {
1189         list<boost::shared_ptr<Region> > regions;
1190         TreeView* source;
1191         _display.get_object_drag_data (regions, &source);
1192
1193         if (regions.empty()) {
1194                 return boost::shared_ptr<Region> ();
1195         }
1196
1197         assert (regions.size() == 1);
1198         return regions.front ();
1199 }
1200
1201 void
1202 EditorRegions::clear ()
1203 {
1204         _display.set_model (Glib::RefPtr<Gtk::TreeStore> (0));
1205         _model->clear ();
1206         _display.set_model (_model);
1207 }
1208
1209 boost::shared_ptr<Region>
1210 EditorRegions::get_single_selection ()
1211 {
1212         Glib::RefPtr<TreeSelection> selected = _display.get_selection();
1213
1214         if (selected->count_selected_rows() != 1) {
1215                 return boost::shared_ptr<Region> ();
1216         }
1217
1218         TreeView::Selection::ListHandle_Path rows = selected->get_selected_rows ();
1219
1220         /* only one row selected, so rows.begin() is it */
1221
1222         TreeIter iter = _model->get_iter (*rows.begin());
1223
1224         if (!iter) {
1225                 return boost::shared_ptr<Region> ();
1226         }
1227
1228         return (*iter)[_columns.region];
1229 }
1230
1231 void
1232 EditorRegions::locked_changed (Glib::ustring const & path)
1233 {
1234         TreeIter i = _model->get_iter (path);
1235         if (i) {
1236                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1237                 if (region) {
1238                         region->set_locked (!(*i)[_columns.locked]);
1239                 }
1240         }
1241 }
1242
1243 void
1244 EditorRegions::glued_changed (Glib::ustring const & path)
1245 {
1246         TreeIter i = _model->get_iter (path);
1247         if (i) {
1248                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1249                 if (region) {
1250                         /* `glued' means MusicTime, and we're toggling here */
1251                         region->set_position_lock_style ((*i)[_columns.glued] ? AudioTime : MusicTime);
1252                 }
1253         }
1254
1255 }
1256
1257 void
1258 EditorRegions::muted_changed (Glib::ustring const & path)
1259 {
1260         TreeIter i = _model->get_iter (path);
1261         if (i) {
1262                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1263                 if (region) {
1264                         region->set_muted (!(*i)[_columns.muted]);
1265                 }
1266         }
1267
1268 }
1269
1270 void
1271 EditorRegions::opaque_changed (Glib::ustring 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_opaque (!(*i)[_columns.opaque]);
1278                 }
1279         }
1280
1281 }