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/session_playlists.h"
  34 #include "ardour/silentfilesource.h"
  35 #include "ardour/profile.h"
  36
  37 #include "gtkmm2ext/choice.h"
  38 #include "gtkmm2ext/treeutils.h"
  39
  40 #include "editor.h"
  41 #include "editing.h"
  42 #include "keyboard.h"
  43 #include "ardour_ui.h"
  44 #include "gui_thread.h"
  45 #include "actions.h"
  46 #include "region_view.h"
  47 #include "utils.h"
  48 #include "editor_regions.h"
  49 #include "editor_drag.h"
  50
  51 #include "i18n.h"
  52
  53 using namespace std;
  54 using namespace ARDOUR;
  55 using namespace PBD;
  56 using namespace Gtk;
  57 using namespace Glib;
  58 using namespace Editing;
  59 using Gtkmm2ext::Keyboard;
  60
  61 EditorRegions::EditorRegions (Editor* e)
  62         : EditorComponent (e)
  63         , old_focus (0)
  64         , name_editable (0)
  65         , _menu (0)
  66         , _show_automatic_regions (true)
  67         , ignore_region_list_selection_change (false)
  68         , ignore_selected_region_change (false)
  69         , _no_redisplay (false)
  70         , _sort_type ((Editing::RegionListSortType) 0)
  71         , expanded (false)
  72 {
  73         _display.set_size_request (100, -1);
  74         _display.set_name ("RegionListDisplay");
  75         _display.set_rules_hint (true);
  76
  77         /* Try to prevent single mouse presses from initiating edits.
  78            This relies on a hack in gtktreeview.c:gtk_treeview_button_press()
  79         */
  80         _display.set_data ("mouse-edits-require-mod1", (gpointer) 0x1);
  81
  82         _model = TreeStore::create (_columns);
  83         _model->set_sort_func (0, sigc::mem_fun (*this, &EditorRegions::sorter));
  84         _model->set_sort_column (0, SORT_ASCENDING);
  85
  86         _display.set_model (_model);
  87
  88         _display.append_column (_("Regions"), _columns.name);
  89         _display.append_column (_("Position"), _columns.position);
  90         _display.append_column (_("End"), _columns.end);
  91         _display.append_column (_("Length"), _columns.length);
  92         _display.append_column (_("Sync"), _columns.sync);
  93         _display.append_column (_("Fade In"), _columns.fadein);
  94         _display.append_column (_("Fade Out"), _columns.fadeout);
  95         _display.append_column (_("L"), _columns.locked);
  96         _display.append_column (_("G"), _columns.glued);
  97         _display.append_column (_("M"), _columns.muted);
  98         _display.append_column (_("O"), _columns.opaque);
  99         // _display.append_column (_("Used"), _columns.used);
 100         // _display.append_column (_("Path"), _columns.path);
 101         _display.set_headers_visible (true);
 102         //_display.set_grid_lines (TREE_VIEW_GRID_LINES_BOTH);
 103
 104         /* show path as the row tooltip */
 105         _display.set_tooltip_column (15); /* path */
 106
 107         CellRendererText* region_name_cell = dynamic_cast<CellRendererText*>(_display.get_column_cell_renderer (0));
 108         region_name_cell->property_editable() = true;
 109         region_name_cell->signal_edited().connect (sigc::mem_fun (*this, &EditorRegions::name_edit));
 110         region_name_cell->signal_editing_started().connect (sigc::mem_fun (*this, &EditorRegions::name_editing_started));
 111
 112         _display.get_selection()->set_select_function (sigc::mem_fun (*this, &EditorRegions::selection_filter));
 113
 114         TreeViewColumn* tv_col = _display.get_column(0);
 115         CellRendererText* renderer = dynamic_cast<CellRendererText*>(_display.get_column_cell_renderer (0));
 116         tv_col->add_attribute(renderer->property_text(), _columns.name);
 117         tv_col->add_attribute(renderer->property_foreground_gdk(), _columns.color_);
 118
 119         CellRendererToggle* locked_cell = dynamic_cast<CellRendererToggle*> (_display.get_column_cell_renderer (7));
 120         locked_cell->property_activatable() = true;
 121         locked_cell->signal_toggled().connect (sigc::mem_fun (*this, &EditorRegions::locked_changed));
 122
 123         TreeViewColumn* locked_col = _display.get_column (7);
 124         locked_col->add_attribute (locked_cell->property_visible(), _columns.property_toggles_visible);
 125
 126         CellRendererToggle* glued_cell = dynamic_cast<CellRendererToggle*> (_display.get_column_cell_renderer (8));
 127         glued_cell->property_activatable() = true;
 128         glued_cell->signal_toggled().connect (sigc::mem_fun (*this, &EditorRegions::glued_changed));
 129
 130         TreeViewColumn* glued_col = _display.get_column (8);
 131         glued_col->add_attribute (glued_cell->property_visible(), _columns.property_toggles_visible);
 132
 133         CellRendererToggle* muted_cell = dynamic_cast<CellRendererToggle*> (_display.get_column_cell_renderer (9));
 134         muted_cell->property_activatable() = true;
 135         muted_cell->signal_toggled().connect (sigc::mem_fun (*this, &EditorRegions::muted_changed));
 136
 137         TreeViewColumn* muted_col = _display.get_column (9);
 138         muted_col->add_attribute (muted_cell->property_visible(), _columns.property_toggles_visible);
 139
 140         CellRendererToggle* opaque_cell = dynamic_cast<CellRendererToggle*> (_display.get_column_cell_renderer (10));
 141         opaque_cell->property_activatable() = true;
 142         opaque_cell->signal_toggled().connect (sigc::mem_fun (*this, &EditorRegions::opaque_changed));
 143
 144         TreeViewColumn* opaque_col = _display.get_column (10);
 145         opaque_col->add_attribute (opaque_cell->property_visible(), _columns.property_toggles_visible);
 146
 147         _display.get_selection()->set_mode (SELECTION_MULTIPLE);
 148         _display.add_object_drag (_columns.region.index(), "regions");
 149
 150         /* setup DnD handling */
 151
 152         list<TargetEntry> region_list_target_table;
 153
 154         region_list_target_table.push_back (TargetEntry ("text/plain"));
 155         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
 156         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 157
 158         _display.add_drop_targets (region_list_target_table);
 159         _display.signal_drag_data_received().connect (sigc::mem_fun(*this, &EditorRegions::drag_data_received));
 160
 161         _scroller.add (_display);
 162         _scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 163
 164         _display.signal_button_press_event().connect (sigc::mem_fun(*this, &EditorRegions::button_press), false);
 165         _change_connection = _display.get_selection()->signal_changed().connect (sigc::mem_fun(*this, &EditorRegions::selection_changed));
 166
 167         _scroller.signal_key_press_event().connect (sigc::mem_fun(*this, &EditorRegions::key_press), false);
 168         _scroller.signal_focus_in_event().connect (sigc::mem_fun (*this, &EditorRegions::focus_in), false);
 169         _scroller.signal_focus_out_event().connect (sigc::mem_fun (*this, &EditorRegions::focus_out));
 170
 171         _display.signal_enter_notify_event().connect (sigc::mem_fun (*this, &EditorRegions::enter_notify), false);
 172         _display.signal_leave_notify_event().connect (sigc::mem_fun (*this, &EditorRegions::leave_notify), false);
 173
 174         // _display.signal_popup_menu().connect (sigc::bind (sigc::mem_fun (*this, &Editor::show__display_context_menu), 1, 0));
 175
 176         //ARDOUR_UI::instance()->secondary_clock.mode_changed.connect (sigc::mem_fun(*this, &Editor::redisplay_regions));
 177         ARDOUR_UI::instance()->secondary_clock.mode_changed.connect (sigc::mem_fun(*this, &EditorRegions::update_all_rows));
 178         ARDOUR::Region::RegionPropertyChanged.connect (region_property_connection, MISSING_INVALIDATOR, ui_bind (&EditorRegions::region_changed, this, _1, _2), gui_context());
 179         ARDOUR::RegionFactory::CheckNewRegion.connect (check_new_region_connection, MISSING_INVALIDATOR, ui_bind (&EditorRegions::add_region, this, _1), gui_context());
 180
 181         e->EditorFreeze.connect (editor_freeze_connection, MISSING_INVALIDATOR, ui_bind (&EditorRegions::freeze_tree_model, this), gui_context());
 182         e->EditorThaw.connect (editor_thaw_connection, MISSING_INVALIDATOR, ui_bind (&EditorRegions::thaw_tree_model, this), gui_context());
 183 }
 184
 185 bool
 186 EditorRegions::focus_in (GdkEventFocus*)
 187 {
 188         Window* win = dynamic_cast<Window*> (_scroller.get_toplevel ());
 189
 190         if (win) {
 191                 old_focus = win->get_focus ();
 192         } else {
 193                 old_focus = 0;
 194         }
 195
 196         name_editable = 0;
 197
 198         /* try to do nothing on focus in (doesn't work, hence selection_count nonsense) */
 199         return true;
 200 }
 201
 202 bool
 203 EditorRegions::focus_out (GdkEventFocus*)
 204 {
 205         if (old_focus) {
 206                 old_focus->grab_focus ();
 207                 old_focus = 0;
 208         }
 209
 210         name_editable = 0;
 211
 212         return false;
 213 }
 214
 215 bool
 216 EditorRegions::enter_notify (GdkEventCrossing* ev)
 217 {
 218         if (name_editable) {
 219                 return true;
 220         }
 221
 222         /* arm counter so that ::selection_filter() will deny selecting anything for the
 223            next two attempts to change selection status.
 224         */
 225         _scroller.grab_focus ();
 226         Keyboard::magic_widget_grab_focus ();
 227         return false;
 228 }
 229
 230 bool
 231 EditorRegions::leave_notify (GdkEventCrossing*)
 232 {
 233         if (old_focus) {
 234                 old_focus->grab_focus ();
 235                 old_focus = 0;
 236         }
 237
 238         Keyboard::magic_widget_drop_focus ();
 239         return false;
 240 }
 241
 242 void
 243 EditorRegions::set_session (ARDOUR::Session* s)
 244 {
 245         SessionHandlePtr::set_session (s);
 246         redisplay ();
 247 }
 248
 249 void
 250 EditorRegions::add_region (boost::shared_ptr<Region> region)
 251 {
 252         if (!region || !_session) {
 253                 return;
 254         }
 255
 256         string str;
 257         TreeModel::Row row;
 258         Gdk::Color c;
 259         bool missing_source = boost::dynamic_pointer_cast<SilentFileSource>(region->source());
 260
 261         if (!_show_automatic_regions && region->automatic()) {
 262                 return;
 263         }
 264
 265         if (region->hidden()) {
 266
 267                 TreeModel::iterator iter = _model->get_iter ("0");
 268                 TreeModel::Row parent;
 269                 TreeModel::Row child;
 270
 271                 if (!iter) {
 272                         parent = *(_model->append());
 273                         parent[_columns.name] = _("Hidden");
 274                         boost::shared_ptr<Region> proxy = parent[_columns.region];
 275                         proxy.reset ();
 276                 } else {
 277                         string s = (*iter)[_columns.name];
 278                         if (s != _("Hidden")) {
 279                                 parent = *(_model->insert(iter));
 280                                 parent[_columns.name] = _("Hidden");
 281                                 boost::shared_ptr<Region> proxy = parent[_columns.region];
 282                                 proxy.reset ();
 283                         } else {
 284                                 parent = *iter;
 285                         }
 286                 }
 287
 288                 row = *(_model->append (parent.children()));
 289
 290         } else if (region->whole_file()) {
 291
 292                 TreeModel::iterator i;
 293                 TreeModel::Children rows = _model->children();
 294
 295                 for (i = rows.begin(); i != rows.end(); ++i) {
 296                         boost::shared_ptr<Region> rr = (*i)[_columns.region];
 297
 298                         if (rr && region->region_list_equivalent (rr)) {
 299                                 return;
 300                         }
 301                 }
 302
 303                 row = *(_model->append());
 304
 305                 if (missing_source) {
 306                         c.set_rgb(65535,0,0);     // FIXME: error color from style
 307
 308                 } else if (region->automatic()){
 309                         c.set_rgb(0,65535,0);     // FIXME: error color from style
 310
 311                 } else {
 312                         set_color(c, rgba_from_style ("RegionListWholeFile", 0xff, 0, 0, 0, "fg", Gtk::STATE_NORMAL, false ));
 313
 314                 }
 315
 316                 row[_columns.color_] = c;
 317
 318                 if (region->source()->name()[0] == '/') { // external file
 319
 320                         if (region->whole_file()) {
 321
 322                                 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(region->source());
 323                                 str = ".../";
 324
 325                                 if (afs) {
 326                                         str = region_name_from_path (afs->path(), region->n_channels() > 1);
 327                                 } else {
 328                                         str += region->source()->name();
 329                                 }
 330
 331                         } else {
 332                                 str = region->name();
 333                         }
 334
 335                 } else {
 336                         str = region->name();
 337                 }
 338
 339                 if (region->n_channels() > 1) {
 340                         std::stringstream foo;
 341                         foo << region->n_channels ();
 342                         str += " [";
 343                         str += foo.str();
 344                         str += "]";
 345                 }
 346
 347                 row[_columns.name] = str;
 348                 row[_columns.region] = region;
 349                 row[_columns.property_toggles_visible] = false;
 350
 351                 if (missing_source) {
 352                         row[_columns.path] = _("(MISSING) ") + region->source()->name();
 353
 354                 } else {
 355                         boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource>(region->source());
 356                         if (fs) {
 357                                 row[_columns.path] = fs->path();
 358                         } else {
 359                                 row[_columns.path] = region->source()->name();
 360                         }
 361                 }
 362
 363                 region_row_map.insert(pair<boost::shared_ptr<ARDOUR::Region>, Gtk::TreeModel::RowReference>(region, TreeRowReference(_model, TreePath (row))) );
 364                 parent_regions_sources_map.insert(pair<string, Gtk::TreeModel::RowReference>(region->source_string(), TreeRowReference(_model, TreePath (row))) );
 365
 366                 return;
 367
 368         } else {
 369                 // find parent node, add as new child
 370                 TreeModel::iterator i;
 371                 TreeModel::Children rows = _model->children();
 372
 373                 boost::unordered_map<string, Gtk::TreeModel::RowReference>::iterator it;
 374
 375                 it = parent_regions_sources_map.find (region->source_string());
 376
 377                 if (it != parent_regions_sources_map.end()){
 378
 379                         TreeModel::iterator j = _model->get_iter ((*it).second.get_path());
 380
 381                         TreeModel::iterator ii;
 382                         TreeModel::Children subrows = (*j).children();
 383
 384                         /* XXXX: should we be accounting for all regions? */
 385                         /*
 386                         for (ii = subrows.begin(); ii != subrows.end(); ++ii) {
 387                                 boost::shared_ptr<Region> rr = (*ii)[_columns.region];
 388
 389                                 if (region->region_list_equivalent (rr)) {
 390                                         return;
 391                                 }
 392                         }
 393                         */
 394
 395                         row = *(_model->insert (subrows.end()));
 396                 }
 397                 else {
 398                   row = *(_model->append());
 399                 }
 400
 401                 row[_columns.property_toggles_visible] = true;
 402         }
 403
 404         row[_columns.region] = region;
 405
 406         region_row_map.insert(pair<boost::shared_ptr<ARDOUR::Region>, Gtk::TreeModel::RowReference>(region, TreeRowReference(_model, TreePath (row))) );
 407
 408         populate_row(region, (*row));
 409 }
 410
 411 void
 412 EditorRegions::delete_unused_regions ()
 413 {
 414         vector<string> choices;
 415         string prompt;
 416
 417         if (!_session) {
 418                 return;
 419         }
 420
 421         prompt  = _("Do you really want to remove unused regions?"
 422                     "\n(This is destructive and cannot be undone)");
 423
 424         choices.push_back (_("No, do nothing."));
 425         choices.push_back (_("Yes, remove."));
 426
 427         Gtkmm2ext::Choice prompter (_("Remove unused regions"), prompt, choices);
 428
 429         if (prompter.run () == 1) {
 430                 _no_redisplay = true;
 431                 _session->cleanup_regions ();
 432                 _no_redisplay = false;
 433                 redisplay ();
 434         }
 435 }
 436
 437 void
 438 EditorRegions::region_changed (boost::shared_ptr<Region> r, const PropertyChange& what_changed)
 439 {
 440         PropertyChange our_interests;
 441
 442         our_interests.add (ARDOUR::Properties::name);
 443         our_interests.add (ARDOUR::Properties::position);
 444         our_interests.add (ARDOUR::Properties::length);
 445         our_interests.add (ARDOUR::Properties::start);
 446         our_interests.add (ARDOUR::Properties::locked);
 447         our_interests.add (ARDOUR::Properties::position_lock_style);
 448         our_interests.add (ARDOUR::Properties::muted);
 449         our_interests.add (ARDOUR::Properties::opaque);
 450         our_interests.add (ARDOUR::Properties::fade_in);
 451         our_interests.add (ARDOUR::Properties::fade_out);
 452
 453         if (what_changed.contains (our_interests)) {
 454
 455                 if (last_row != 0) {
 456
 457                         TreeModel::iterator j = _model->get_iter (last_row.get_path());
 458                         boost::shared_ptr<Region> c = (*j)[_columns.region];
 459
 460                         if (c == r) {
 461                                 populate_row (r, (*j));
 462
 463                                 if (what_changed.contains (ARDOUR::Properties::hidden)) {
 464                                         redisplay ();
 465                                 }
 466
 467                                 return;
 468                         }
 469                 }
 470
 471                 RegionRowMap::iterator it;
 472
 473                 it = region_row_map.find (r);
 474
 475                 if (it != region_row_map.end()){
 476
 477                         TreeModel::iterator j = _model->get_iter ((*it).second.get_path());
 478                         boost::shared_ptr<Region> c = (*j)[_columns.region];
 479
 480                         if (c == r) {
 481                                 populate_row (r, (*j));
 482
 483                                 if (what_changed.contains (ARDOUR::Properties::hidden)) {
 484                                         redisplay ();
 485                                 }
 486
 487                                 return;
 488                         }
 489                 }
 490
 491                 /* find the region in our model and update its row */
 492                 TreeModel::Children rows = _model->children ();
 493                 TreeModel::iterator i = rows.begin ();
 494
 495         }
 496
 497         if (what_changed.contains (ARDOUR::Properties::hidden)) {
 498                 redisplay ();
 499         }
 500 }
 501
 502 void
 503 EditorRegions::selection_changed ()
 504 {
 505         if (ignore_region_list_selection_change) {
 506                 return;
 507         }
 508
 509         _editor->_region_selection_change_updates_region_list = false;
 510
 511         if (_display.get_selection()->count_selected_rows() > 0) {
 512
 513                 TreeIter iter;
 514                 TreeView::Selection::ListHandle_Path rows = _display.get_selection()->get_selected_rows ();
 515
 516                 _editor->get_selection().clear_regions ();
 517
 518                 for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
 519
 520                         if (iter = _model->get_iter (*i)) {
 521                                 boost::shared_ptr<Region> region = (*iter)[_columns.region];
 522
 523                                 // they could have clicked on a row that is just a placeholder, like "Hidden"
 524                                 // although that is not allowed by our selection filter. check it anyway
 525                                 // since we need a region ptr.
 526
 527                                 if (region) {
 528
 529                                         if (region->automatic()) {
 530
 531                                                 _display.get_selection()->unselect(*i);
 532
 533                                         } else {
 534                                                 _change_connection.block (true);
 535                                                 _editor->set_selected_regionview_from_region_list (region, Selection::Add);
 536
 537                                                 _change_connection.block (false);
 538                                         }
 539                                 }
 540                         }
 541                 }
 542         } else {
 543                 _editor->get_selection().clear_regions ();
 544         }
 545
 546         _editor->_region_selection_change_updates_region_list = true;
 547 }
 548
 549 void
 550 EditorRegions::set_selected (RegionSelection& regions)
 551 {
 552         for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
 553
 554                 boost::shared_ptr<Region> r ((*i)->region());
 555
 556                 RegionRowMap::iterator it;
 557
 558                 it = region_row_map.find (r);
 559
 560                 if (it != region_row_map.end()){
 561                         TreeModel::iterator j = _model->get_iter ((*it).second.get_path());
 562                         _display.get_selection()->select(*j);
 563                 }
 564         }
 565 }
 566
 567 void
 568 EditorRegions::redisplay ()
 569 {
 570         if (_no_redisplay || !_session) {
 571                 return;
 572         }
 573
 574         bool tree_expanded = false;
 575
 576         /* If the list was expanded prior to rebuilding, expand it again afterwards */
 577         if (toggle_full_action()->get_active()) {
 578                 tree_expanded = true;
 579         }
 580
 581         _display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
 582         _model->clear ();
 583         _model->set_sort_column (-2, SORT_ASCENDING); //Disable sorting to gain performance
 584
 585
 586         region_row_map.clear();
 587         parent_regions_sources_map.clear();
 588
 589         /* now add everything we have, via a temporary list used to help with sorting */
 590
 591         const RegionFactory::RegionMap& regions (RegionFactory::regions());
 592
 593         for (RegionFactory::RegionMap::const_iterator i = regions.begin(); i != regions.end(); ++i) {
 594
 595                 if ( i->second->whole_file()) {
 596                         /* add automatic regions first so that children can find their parents as we add them */
 597                         add_region (i->second);
 598                         continue;
 599                 }
 600
 601                 tmp_region_list.push_front (i->second);
 602         }
 603
 604         for (list<boost::shared_ptr<Region> >::iterator r = tmp_region_list.begin(); r != tmp_region_list.end(); ++r) {
 605                 add_region (*r);
 606         }
 607
 608         _model->set_sort_column (0, SORT_ASCENDING); // renabale sorting
 609         _display.set_model (_model);
 610
 611         tmp_region_list.clear();
 612
 613         if (tree_expanded) {
 614                 _display.expand_all();
 615         }
 616 }
 617
 618 void
 619 EditorRegions::update_row (boost::shared_ptr<Region> region)
 620 {
 621         if (!region || !_session) {
 622                 return;
 623         }
 624
 625         RegionRowMap::iterator it;
 626
 627         it = region_row_map.find (region);
 628
 629         if (it != region_row_map.end()){
 630
 631                 TreeModel::iterator j = _model->get_iter ((*it).second.get_path());
 632                 populate_row(region, (*j));
 633         }
 634 }
 635
 636 void
 637 EditorRegions::update_all_rows ()
 638 {
 639         if (!_session) {
 640                 return;
 641         }
 642
 643         RegionRowMap::iterator i;
 644
 645         for (i = region_row_map.begin(); i != region_row_map.end(); ++i) {
 646
 647                 TreeModel::iterator j = _model->get_iter ((*i).second.get_path());
 648
 649                 boost::shared_ptr<Region> region = (*j)[_columns.region];
 650
 651                 if (!region->automatic()) {
 652                         populate_row(region, (*j));
 653                 }
 654         }
 655 }
 656
 657 void
 658 EditorRegions::format_position (framepos_t pos, char* buf, size_t bufsize)
 659 {
 660         Timecode::BBT_Time bbt;
 661         Timecode::Time timecode;
 662
 663         switch (ARDOUR_UI::instance()->secondary_clock.mode ()) {
 664         case AudioClock::BBT:
 665                 _session->tempo_map().bbt_time (pos, bbt);
 666                 snprintf (buf, bufsize, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
 667                 break;
 668
 669         case AudioClock::MinSec:
 670                 framepos_t left;
 671                 int hrs;
 672                 int mins;
 673                 float secs;
 674
 675                 left = pos;
 676                 hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 677                 left -= (framecnt_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 678                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 679                 left -= (framecnt_t) floor (mins * _session->frame_rate() * 60.0f);
 680                 secs = left / (float) _session->frame_rate();
 681                 snprintf (buf, bufsize, "%02d:%02d:%06.3f", hrs, mins, secs);
 682                 break;
 683
 684         case AudioClock::Frames:
 685                 snprintf (buf, bufsize, "%" PRId64, pos);
 686                 break;
 687
 688         case AudioClock::Timecode:
 689         case AudioClock::Off: /* If the secondary clock is off, default to Timecode */
 690         default:
 691                 _session->timecode_time (pos, timecode);
 692                 snprintf (buf, bufsize, "%02d:%02d:%02d:%02d", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 693                 break;
 694         }
 695 }
 696
 697 void
 698 EditorRegions::populate_row (boost::shared_ptr<Region> region, TreeModel::Row const &row)
 699 {
 700         boost::shared_ptr<AudioRegion> audioregion = boost::dynamic_pointer_cast<AudioRegion>(region);
 701         //uint32_t used = _session->playlists->region_use_count (region);
 702         /* Presently a region is only used once so let's save on the sequential scan to determine use count */
 703         uint32_t used = 1;
 704
 705         populate_row_position (region, row, used);
 706         populate_row_end (region, row, used);
 707         populate_row_sync (region, row, used);
 708         populate_row_fade_in (region, row, used, audioregion);
 709         populate_row_fade_out (region, row, used, audioregion);
 710         populate_row_locked (region, row, used);
 711         populate_row_glued (region, row, used);
 712         populate_row_muted (region, row, used);
 713         populate_row_opaque (region, row, used);
 714         populate_row_length (region, row);
 715         populate_row_source (region, row);
 716         populate_row_name (region, row);
 717         populate_row_used (region, row, used);
 718 }
 719
 720 #if 0
 721         if (audioRegion && fades_in_seconds) {
 722
 723                 framepos_t left;
 724                 int mins;
 725                 int millisecs;
 726
 727                 left = audioRegion->fade_in()->back()->when;
 728                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 729                 left -= (framepos_t) floor (mins * _session->frame_rate() * 60.0f);
 730                 millisecs = (int) floor ((left * 1000.0f) / _session->frame_rate());
 731
 732                 if (audioRegion->fade_in()->back()->when >= _session->frame_rate()) {
 733                         sprintf (fadein_str, "%01dM %01dmS", mins, millisecs);
 734                 } else {
 735                         sprintf (fadein_str, "%01dmS", millisecs);
 736                 }
 737
 738                 left = audioRegion->fade_out()->back()->when;
 739                 mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 740                 left -= (framepos_t) floor (mins * _session->frame_rate() * 60.0f);
 741                 millisecs = (int) floor ((left * 1000.0f) / _session->frame_rate());
 742
 743                 if (audioRegion->fade_out()->back()->when >= _session->frame_rate()) {
 744                         sprintf (fadeout_str, "%01dM %01dmS", mins, millisecs);
 745                 } else {
 746                         sprintf (fadeout_str, "%01dmS", millisecs);
 747                 }
 748         }
 749 #endif
 750
 751 void
 752 EditorRegions::populate_row_used (boost::shared_ptr<Region> region, TreeModel::Row const& row, uint32_t used)
 753 {
 754         char buf[8];
 755         snprintf (buf, sizeof (buf), "%4d" , used);
 756         row[_columns.used] = buf;
 757 }
 758
 759 void
 760 EditorRegions::populate_row_length (boost::shared_ptr<Region> region, TreeModel::Row const &row)
 761 {
 762         char buf[16];
 763         format_position (region->length(), buf, sizeof (buf));
 764         row[_columns.length] = buf;
 765 }
 766
 767 void
 768 EditorRegions::populate_row_end (boost::shared_ptr<Region> region, TreeModel::Row const &row, uint32_t used)
 769 {
 770         if (region->whole_file()) {
 771                 row[_columns.end] = "";
 772         } else if (used > 1) {
 773                 row[_columns.end] = _("Mult.");
 774         } else {
 775                 char buf[16];
 776                 format_position (region->last_frame(), buf, sizeof (buf));
 777                 row[_columns.end] = buf;
 778         }
 779 }
 780
 781 void
 782 EditorRegions::populate_row_position (boost::shared_ptr<Region> region, TreeModel::Row const &row, uint32_t used)
 783 {
 784         if (region->whole_file()) {
 785                 row[_columns.position] = "";
 786         } else if (used > 1) {
 787                 row[_columns.position] = _("Mult.");
 788         } else {
 789                 char buf[16];
 790                 format_position (region->position(), buf, sizeof (buf));
 791                 row[_columns.position] = buf;
 792         }
 793 }
 794
 795 void
 796 EditorRegions::populate_row_sync (boost::shared_ptr<Region> region, TreeModel::Row const &row, uint32_t used)
 797 {
 798         if (region->whole_file()) {
 799                 row[_columns.sync] = "";
 800         } else if (used > 1) {
 801                 row[_columns.sync] = _("Mult."); /* translators: a short phrase for "multiple" as in "many" */
 802         } else {
 803                 if (region->sync_position() == region->position()) {
 804                         row[_columns.sync] = _("Start");
 805                 } else if (region->sync_position() == (region->last_frame())) {
 806                         row[_columns.sync] = _("End");
 807                 } else {
 808                         char buf[16];
 809                         format_position (region->sync_position(), buf, sizeof (buf));
 810                         row[_columns.sync] = buf;
 811                 }
 812         }
 813 }
 814
 815 void
 816 EditorRegions::populate_row_fade_in (boost::shared_ptr<Region> region, TreeModel::Row const &row, uint32_t used, boost::shared_ptr<AudioRegion> audioregion)
 817 {
 818         if (!audioregion || region->whole_file()) {
 819                 row[_columns.fadein] = "";
 820         } else {
 821                 if (used > 1) {
 822                         row[_columns.fadein] = _("Multiple");
 823                 } else {
 824
 825                         char buf[16];
 826                         format_position (audioregion->fade_in()->back()->when, buf, sizeof (buf));
 827                         row[_columns.fadein] = buf;
 828
 829                         if (audioregion->fade_in_active()) {
 830                                 row[_columns.fadein] = string_compose("%1%2%3", " ", buf, " ");
 831                         } else {
 832                                 row[_columns.fadein] = string_compose("%1%2%3", "(", buf, ")");
 833                         }
 834                 }
 835         }
 836 }
 837
 838 void
 839 EditorRegions::populate_row_fade_out (boost::shared_ptr<Region> region, TreeModel::Row const &row, uint32_t used, boost::shared_ptr<AudioRegion> audioregion)
 840 {
 841         if (!audioregion || region->whole_file()) {
 842                 row[_columns.fadeout] = "";
 843         } else {
 844                 if (used > 1) {
 845                         row[_columns.fadeout] = _("Multiple");
 846                 } else {
 847                         char buf[16];
 848                         format_position (audioregion->fade_out()->back()->when, buf, sizeof (buf));
 849
 850                         if (audioregion->fade_out_active()) {
 851                                 row[_columns.fadeout] = string_compose("%1%2%3", " ", buf, " ");
 852                         } else {
 853                                 row[_columns.fadeout] = string_compose("%1%2%3", "(", buf, ")");
 854                         }
 855                 }
 856         }
 857 }
 858
 859 void
 860 EditorRegions::populate_row_locked (boost::shared_ptr<Region> region, TreeModel::Row const &row, uint32_t used)
 861 {
 862         if (region->whole_file()) {
 863                 row[_columns.locked] = false;
 864         } else if (used > 1) {
 865                 row[_columns.locked] = false;
 866         } else {
 867                 row[_columns.locked] = region->locked();
 868         }
 869 }
 870
 871 void
 872 EditorRegions::populate_row_glued (boost::shared_ptr<Region> region, TreeModel::Row const &row, uint32_t used)
 873 {
 874         if (region->whole_file() || used > 1) {
 875                 row[_columns.glued] = false;
 876         } else {
 877                 if (region->position_lock_style() == MusicTime) {
 878                         row[_columns.glued] = true;
 879                 } else {
 880                         row[_columns.glued] = false;
 881                 }
 882         }
 883 }
 884
 885 void
 886 EditorRegions::populate_row_muted (boost::shared_ptr<Region> region, TreeModel::Row const &row, uint32_t used)
 887 {
 888         if (region->whole_file() || used > 1) {
 889                 row[_columns.muted] = false;
 890         } else {
 891                 row[_columns.muted] = region->muted();
 892         }
 893 }
 894
 895 void
 896 EditorRegions::populate_row_opaque (boost::shared_ptr<Region> region, TreeModel::Row const &row, uint32_t used)
 897 {
 898         if (region->whole_file() || used > 1) {
 899                 row[_columns.opaque] = false;
 900         } else {
 901                 row[_columns.opaque] = region->opaque();
 902         }
 903 }
 904
 905 void
 906 EditorRegions::populate_row_name (boost::shared_ptr<Region> region, TreeModel::Row const &row)
 907 {
 908         if (region->n_channels() > 1) {
 909                 row[_columns.name] = string_compose("%1  [%2]", region->name(), region->n_channels());
 910         } else {
 911                 row[_columns.name] = region->name();
 912         }
 913 }
 914
 915 void
 916 EditorRegions::populate_row_source (boost::shared_ptr<Region> region, TreeModel::Row const &row)
 917 {
 918         if (boost::dynamic_pointer_cast<SilentFileSource>(region->source())) {
 919                 row[_columns.path] = _("MISSING ") + region->source()->name();
 920         } else {
 921                 row[_columns.path] = region->source()->name();
 922         }
 923 }
 924
 925 void
 926 EditorRegions::toggle_show_auto_regions ()
 927 {
 928         _show_automatic_regions = toggle_show_auto_regions_action()->get_active();
 929         redisplay ();
 930 }
 931
 932 void
 933 EditorRegions::toggle_full ()
 934 {
 935         set_full (toggle_full_action()->get_active ());
 936 }
 937
 938 void
 939 EditorRegions::set_full (bool f)
 940 {
 941         if (f) {
 942                 _display.expand_all ();
 943                 expanded = true;
 944         } else {
 945                 _display.collapse_all ();
 946                 expanded = false;
 947         }
 948 }
 949
 950 void
 951 EditorRegions::show_context_menu (int button, int time)
 952 {
 953         if (_menu == 0) {
 954                 _menu = dynamic_cast<Menu*> (ActionManager::get_widget ("/RegionListMenu"));
 955         }
 956
 957         if (_display.get_selection()->count_selected_rows() > 0) {
 958                 ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, true);
 959         } else {
 960                 ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, false);
 961         }
 962
 963         /* Enable the "Show" option if any selected regions are hidden, and vice versa for "Hide" */
 964
 965         bool have_shown = false;
 966         bool have_hidden = false;
 967
 968         TreeView::Selection::ListHandle_Path rows = _display.get_selection()->get_selected_rows ();
 969         for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
 970                 TreeIter t = _model->get_iter (*i);
 971                 boost::shared_ptr<Region> r = (*t)[_columns.region];
 972                 if (r) {
 973                         if (r->hidden ()) {
 974                                 have_hidden = true;
 975                         } else {
 976                                 have_shown = true;
 977                         }
 978                 }
 979         }
 980
 981         hide_action()->set_sensitive (have_shown);
 982         show_action()->set_sensitive (have_hidden);
 983
 984         _menu->popup (button, time);
 985 }
 986
 987 bool
 988 EditorRegions::key_press (GdkEventKey* ev)
 989 {
 990         TreeViewColumn *col;
 991
 992         switch (ev->keyval) {
 993         case GDK_Tab:
 994         case GDK_ISO_Left_Tab:
 995
 996                 if (name_editable) {
 997                         name_editable->editing_done ();
 998                         name_editable = 0;
 999                 }
1000
1001                 col = _display.get_column (0); // select&focus on name column
1002
1003                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
1004                         treeview_select_previous (_display, _model, col);
1005                 } else {
1006                         treeview_select_next (_display, _model, col);
1007                 }
1008
1009                 return true;
1010                 break;
1011
1012         default:
1013                 break;
1014         }
1015
1016         return false;
1017 }
1018
1019 bool
1020 EditorRegions::button_press (GdkEventButton *ev)
1021 {
1022         boost::shared_ptr<Region> region;
1023         TreeIter iter;
1024         TreeModel::Path path;
1025         TreeViewColumn* column;
1026         int cellx;
1027         int celly;
1028
1029         if (_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
1030                 if ((iter = _model->get_iter (path))) {
1031                         region = (*iter)[_columns.region];
1032                 }
1033         }
1034
1035         if (Keyboard::is_context_menu_event (ev)) {
1036                 show_context_menu (ev->button, ev->time);
1037                 return false;
1038         }
1039
1040         if (region != 0 && Keyboard::is_button2_event (ev)) {
1041                 // start/stop audition
1042                 if (!Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
1043                         _editor->consider_auditioning (region);
1044                 }
1045                 return true;
1046         }
1047
1048         return false;
1049 }
1050
1051 int
1052 EditorRegions::sorter (TreeModel::iterator a, TreeModel::iterator b)
1053 {
1054         int cmp = 0;
1055
1056         boost::shared_ptr<Region> r1 = (*a)[_columns.region];
1057         boost::shared_ptr<Region> r2 = (*b)[_columns.region];
1058
1059         /* handle rows without regions, like "Hidden" */
1060
1061         if (r1 == 0) {
1062                 return -1;
1063         }
1064
1065         if (r2 == 0) {
1066                 return 1;
1067         }
1068
1069         boost::shared_ptr<AudioRegion> region1 = boost::dynamic_pointer_cast<AudioRegion> (r1);
1070         boost::shared_ptr<AudioRegion> region2 = boost::dynamic_pointer_cast<AudioRegion> (r2);
1071
1072         if (region1 == 0 || region2 == 0) {
1073                 std::string s1;
1074                 std::string s2;
1075                 switch (_sort_type) {
1076                 case ByName:
1077                         s1 = (*a)[_columns.name];
1078                         s2 = (*b)[_columns.name];
1079                         return (s1.compare (s2));
1080                 default:
1081                         return 0;
1082                 }
1083         }
1084
1085         switch (_sort_type) {
1086         case ByName:
1087                 cmp = strcasecmp (region1->name().c_str(), region2->name().c_str());
1088                 break;
1089
1090         case ByLength:
1091                 cmp = region1->length() - region2->length();
1092                 break;
1093
1094         case ByPosition:
1095                 cmp = region1->position() - region2->position();
1096                 break;
1097
1098         case ByTimestamp:
1099                 cmp = region1->source()->timestamp() - region2->source()->timestamp();
1100                 break;
1101
1102         case ByStartInFile:
1103                 cmp = region1->start() - region2->start();
1104                 break;
1105
1106         case ByEndInFile:
1107                 // cerr << "Compare " << (region1->start() + region1->length()) << " and " << (region2->start() + region2->length()) << endl;
1108                 cmp = (region1->start() + region1->length()) - (region2->start() + region2->length());
1109                 break;
1110
1111         case BySourceFileName:
1112                 cmp = strcasecmp (region1->source()->name().c_str(), region2->source()->name().c_str());
1113                 break;
1114
1115         case BySourceFileLength:
1116                 cmp = region1->source_length(0) - region2->source_length(0);
1117                 break;
1118
1119         case BySourceFileCreationDate:
1120                 cmp = region1->source()->timestamp() - region2->source()->timestamp();
1121                 break;
1122
1123         case BySourceFileFS:
1124                 if (region1->source()->name() == region2->source()->name()) {
1125                         cmp = strcasecmp (region1->name().c_str(),  region2->name().c_str());
1126                 } else {
1127                         cmp = strcasecmp (region1->source()->name().c_str(),  region2->source()->name().c_str());
1128                 }
1129                 break;
1130         }
1131
1132         // cerr << "Comparison on " << enum_2_string (_sort_type) << " gives " << cmp << endl;
1133
1134         if (cmp < 0) {
1135                 return -1;
1136         } else if (cmp > 0) {
1137                 return 1;
1138         } else {
1139                 return 0;
1140         }
1141 }
1142
1143 void
1144 EditorRegions::reset_sort_type (RegionListSortType type, bool force)
1145 {
1146         if (type != _sort_type || force) {
1147                 _sort_type = type;
1148                 _model->set_sort_func (0, (sigc::mem_fun (*this, &EditorRegions::sorter)));
1149         }
1150 }
1151
1152 void
1153 EditorRegions::reset_sort_direction (bool up)
1154 {
1155         _model->set_sort_column (0, up ? SORT_ASCENDING : SORT_DESCENDING);
1156 }
1157
1158 void
1159 EditorRegions::selection_mapover (sigc::slot<void,boost::shared_ptr<Region> > sl)
1160 {
1161         Glib::RefPtr<TreeSelection> selection = _display.get_selection();
1162         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
1163         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
1164
1165         if (selection->count_selected_rows() == 0 || _session == 0) {
1166                 return;
1167         }
1168
1169         for (; i != rows.end(); ++i) {
1170                 TreeIter iter;
1171
1172                 if ((iter = _model->get_iter (*i))) {
1173
1174                         /* some rows don't have a region associated with them, but can still be
1175                            selected (XXX maybe prevent them from being selected)
1176                         */
1177
1178                         boost::shared_ptr<Region> r = (*iter)[_columns.region];
1179
1180                         if (r) {
1181                                 sl (r);
1182                         }
1183                 }
1184         }
1185 }
1186
1187
1188 void
1189 EditorRegions::drag_data_received (const RefPtr<Gdk::DragContext>& context,
1190                                    int x, int y,
1191                                    const SelectionData& data,
1192                                    guint info, guint time)
1193 {
1194         vector<string> paths;
1195
1196         if (data.get_target() == "GTK_TREE_MODEL_ROW") {
1197                 /* something is being dragged over the region list */
1198                 _editor->_drags->abort ();
1199                 _display.on_drag_data_received (context, x, y, data, info, time);
1200                 return;
1201         }
1202
1203         if (_editor->convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
1204                 framepos_t pos = 0;
1205                 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
1206                         _editor->do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsRegion, SrcBest, pos);
1207                 } else {
1208                         _editor->do_embed (paths, Editing::ImportDistinctFiles, ImportAsRegion, pos);
1209                 }
1210                 context->drag_finish (true, false, time);
1211         }
1212 }
1213
1214 bool
1215 EditorRegions::selection_filter (const RefPtr<TreeModel>& model, const TreeModel::Path& path, bool already_selected)
1216 {
1217         /* not possible to select rows that do not represent regions, like "Hidden" */
1218
1219         if (already_selected) {
1220                 /* deselecting anything is OK with us */
1221                 return true;
1222         }
1223
1224         TreeModel::iterator iter = model->get_iter (path);
1225
1226         if (iter) {
1227                 boost::shared_ptr<Region> r =(*iter)[_columns.region];
1228                 if (!r) {
1229                         return false;
1230                 }
1231         }
1232
1233         return true;
1234 }
1235
1236 void
1237 EditorRegions::name_editing_started (CellEditable* ce, const Glib::ustring&)
1238 {
1239         name_editable = ce;
1240
1241         /* give it a special name */
1242
1243         Gtk::Entry *e = dynamic_cast<Gtk::Entry*> (ce);
1244
1245         if (e) {
1246                 e->set_name (X_("RegionNameEditorEntry"));
1247         }
1248 }
1249
1250 void
1251 EditorRegions::name_edit (const std::string& path, const std::string& new_text)
1252 {
1253         name_editable = 0;
1254
1255         boost::shared_ptr<Region> region;
1256         TreeIter iter;
1257
1258         if ((iter = _model->get_iter (path))) {
1259                 region = (*iter)[_columns.region];
1260                 (*iter)[_columns.name] = new_text;
1261         }
1262
1263         /* now mapover everything */
1264
1265         if (region) {
1266                 vector<RegionView*> equivalents;
1267                 _editor->get_regions_corresponding_to (region, equivalents);
1268
1269                 for (vector<RegionView*>::iterator i = equivalents.begin(); i != equivalents.end(); ++i) {
1270                         if (new_text != (*i)->region()->name()) {
1271                                 (*i)->region()->set_name (new_text);
1272                         }
1273                 }
1274         }
1275
1276 }
1277
1278 /** @return Region that has been dragged out of the list, or 0 */
1279 boost::shared_ptr<Region>
1280 EditorRegions::get_dragged_region ()
1281 {
1282         list<boost::shared_ptr<Region> > regions;
1283         TreeView* source;
1284         _display.get_object_drag_data (regions, &source);
1285
1286         if (regions.empty()) {
1287                 return boost::shared_ptr<Region> ();
1288         }
1289
1290         assert (regions.size() == 1);
1291         return regions.front ();
1292 }
1293
1294 void
1295 EditorRegions::clear ()
1296 {
1297         _display.set_model (Glib::RefPtr<Gtk::TreeStore> (0));
1298         _model->clear ();
1299         _display.set_model (_model);
1300
1301         /* Clean up the maps */
1302         region_row_map.clear();
1303         parent_regions_sources_map.clear();
1304 }
1305
1306 boost::shared_ptr<Region>
1307 EditorRegions::get_single_selection ()
1308 {
1309         Glib::RefPtr<TreeSelection> selected = _display.get_selection();
1310
1311         if (selected->count_selected_rows() != 1) {
1312                 return boost::shared_ptr<Region> ();
1313         }
1314
1315         TreeView::Selection::ListHandle_Path rows = selected->get_selected_rows ();
1316
1317         /* only one row selected, so rows.begin() is it */
1318
1319         TreeIter iter = _model->get_iter (*rows.begin());
1320
1321         if (!iter) {
1322                 return boost::shared_ptr<Region> ();
1323         }
1324
1325         return (*iter)[_columns.region];
1326 }
1327
1328 void
1329 EditorRegions::freeze_tree_model (){
1330
1331         _display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
1332         _model->set_sort_column (-2, SORT_ASCENDING); //Disable sorting to gain performance
1333
1334 }
1335
1336 void
1337 EditorRegions::thaw_tree_model (){
1338
1339         _model->set_sort_column (0, SORT_ASCENDING); // renabale sorting
1340         _display.set_model (_model);
1341
1342         if (toggle_full_action()->get_active()) {
1343                 _display.expand_all();
1344         }
1345 }
1346
1347 void
1348 EditorRegions::locked_changed (std::string const & path)
1349 {
1350         TreeIter i = _model->get_iter (path);
1351         if (i) {
1352                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1353                 if (region) {
1354                         region->set_locked (!(*i)[_columns.locked]);
1355                 }
1356         }
1357 }
1358
1359 void
1360 EditorRegions::glued_changed (std::string const & path)
1361 {
1362         TreeIter i = _model->get_iter (path);
1363         if (i) {
1364                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1365                 if (region) {
1366                         /* `glued' means MusicTime, and we're toggling here */
1367                         region->set_position_lock_style ((*i)[_columns.glued] ? AudioTime : MusicTime);
1368                 }
1369         }
1370
1371 }
1372
1373 void
1374 EditorRegions::muted_changed (std::string const & path)
1375 {
1376         TreeIter i = _model->get_iter (path);
1377         if (i) {
1378                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1379                 if (region) {
1380                         region->set_muted (!(*i)[_columns.muted]);
1381                 }
1382         }
1383
1384 }
1385
1386 void
1387 EditorRegions::opaque_changed (std::string const & path)
1388 {
1389         TreeIter i = _model->get_iter (path);
1390         if (i) {
1391                 boost::shared_ptr<ARDOUR::Region> region = (*i)[_columns.region];
1392                 if (region) {
1393                         region->set_opaque (!(*i)[_columns.opaque]);
1394                 }
1395         }
1396
1397 }
1398
1399 XMLNode &
1400 EditorRegions::get_state () const
1401 {
1402         XMLNode* node = new XMLNode (X_("RegionList"));
1403
1404         node->add_property (X_("sort-type"), enum_2_string (_sort_type));
1405
1406         RefPtr<Action> act = ActionManager::get_action (X_("RegionList"), X_("SortAscending"));
1407         bool const ascending = RefPtr<RadioAction>::cast_dynamic(act)->get_active ();
1408         node->add_property (X_("sort-ascending"), ascending ? "yes" : "no");
1409         node->add_property (X_("show-all"), toggle_full_action()->get_active() ? "yes" : "no");
1410         node->add_property (X_("show-automatic-regions"), _show_automatic_regions ? "yes" : "no");
1411
1412         return *node;
1413 }
1414
1415 void
1416 EditorRegions::set_state (const XMLNode & node)
1417 {
1418         bool changed = false;
1419
1420         if (node.name() != X_("RegionList")) {
1421                 return;
1422         }
1423
1424         XMLProperty const * p = node.property (X_("sort-type"));
1425
1426         if (p) {
1427                 Editing::RegionListSortType const t = static_cast<Editing::RegionListSortType> (string_2_enum (p->value(), _sort_type));
1428
1429                 if (_sort_type != t) {
1430                         changed = true;
1431                 }
1432
1433                 reset_sort_type (t, true);
1434                 RefPtr<RadioAction> ract = sort_type_action (t);
1435                 ract->set_active ();
1436         }
1437
1438         p = node.property (X_("sort-ascending"));
1439
1440         if (p) {
1441                 bool const yn = string_is_affirmative (p->value ());
1442                 SortType old_sort_type;
1443                 int old_sort_column;
1444
1445                 _model->get_sort_column_id (old_sort_column, old_sort_type);
1446
1447                 if (old_sort_type != (yn ? SORT_ASCENDING : SORT_DESCENDING)) {
1448                         changed = true;
1449                 }
1450
1451                 reset_sort_direction (yn);
1452                 RefPtr<Action> act;
1453
1454                 if (yn) {
1455                         act = ActionManager::get_action (X_("RegionList"), X_("SortAscending"));
1456                 } else {
1457                         act = ActionManager::get_action (X_("RegionList"), X_("SortDescending"));
1458                 }
1459
1460                 RefPtr<RadioAction>::cast_dynamic(act)->set_active ();
1461         }
1462
1463         p = node.property (X_("show-all"));
1464         if (p) {
1465                 bool const yn = string_is_affirmative (p->value ());
1466
1467                 if (expanded != yn) {
1468                         changed = true;
1469                 }
1470
1471                 set_full (yn);
1472                 toggle_full_action()->set_active (yn);
1473         }
1474
1475         p = node.property (X_("show-automatic-regions"));
1476         if (p) {
1477                 bool const yn = string_is_affirmative (p->value ());
1478
1479                 if (yn != _show_automatic_regions) {
1480                         _show_automatic_regions = yn;
1481                         toggle_show_auto_regions_action()->set_active (yn);
1482                         changed = true;
1483                 }
1484         }
1485
1486         if (changed) {
1487                 redisplay ();
1488         }
1489 }
1490
1491 RefPtr<RadioAction>
1492 EditorRegions::sort_type_action (Editing::RegionListSortType t) const
1493 {
1494         const char* action = 0;
1495
1496         switch (t) {
1497         case Editing::ByName:
1498                 action = X_("SortByRegionName");
1499                 break;
1500         case Editing::ByLength:
1501                 action = X_("SortByRegionLength");
1502                 break;
1503         case Editing::ByPosition:
1504                 action = X_("SortByRegionPosition");
1505                 break;
1506         case Editing::ByTimestamp:
1507                 action = X_("SortByRegionTimestamp");
1508                 break;
1509         case Editing::ByStartInFile:
1510                 action = X_("SortByRegionStartinFile");
1511                 break;
1512         case Editing::ByEndInFile:
1513                 action = X_("SortByRegionEndinFile");
1514                 break;
1515         case Editing::BySourceFileName:
1516                 action = X_("SortBySourceFileName");
1517                 break;
1518         case Editing::BySourceFileLength:
1519                 action = X_("SortBySourceFileLength");
1520                 break;
1521         case Editing::BySourceFileCreationDate:
1522                 action = X_("SortBySourceFileCreationDate");
1523                 break;
1524         case Editing::BySourceFileFS:
1525                 action = X_("SortBySourceFilesystem");
1526                 break;
1527         default:
1528                 fatal << string_compose (_("programming error: %1: %2"), "EditorRegions: impossible sort type", (int) t) << endmsg;
1529                 /*NOTREACHED*/
1530         }
1531
1532         RefPtr<Action> act = ActionManager::get_action (X_("RegionList"), action);
1533         assert (act);
1534
1535         return RefPtr<RadioAction>::cast_dynamic (act);
1536 }
1537
1538 RefPtr<Action>
1539 EditorRegions::hide_action () const
1540 {
1541         return ActionManager::get_action (X_("RegionList"), X_("rlHide"));
1542
1543 }
1544
1545 RefPtr<Action>
1546 EditorRegions::show_action () const
1547 {
1548         return ActionManager::get_action (X_("RegionList"), X_("rlShow"));
1549 }
1550
1551 RefPtr<Action>
1552 EditorRegions::delete_unused_regions_action () const
1553 {
1554         return ActionManager::get_action (X_("RegionList"), X_("removeUnusedRegions"));
1555 }
1556
1557 RefPtr<ToggleAction>
1558 EditorRegions::toggle_full_action () const
1559 {
1560         Glib::RefPtr<Action> act = ActionManager::get_action (X_("RegionList"), X_("rlShowAll"));
1561         assert (act);
1562         return Glib::RefPtr<ToggleAction>::cast_dynamic (act);
1563 }
1564
1565 RefPtr<ToggleAction>
1566 EditorRegions::toggle_show_auto_regions_action () const
1567 {
1568         Glib::RefPtr<Action> act = ActionManager::get_action (X_("RegionList"), X_("rlShowAuto"));
1569         assert (act);
1570         return Glib::RefPtr<ToggleAction>::cast_dynamic (act);
1571 }