clean up new region list management maps to avoid dangling shared ptrs and more ...
[ardour.git] / 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 }