SoloSelection: gui part.
[ardour.git] / gtk2_ardour / editor_selection.cc
1 /*
2     Copyright (C) 2000-2006 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 <algorithm>
21 #include <cstdlib>
22
23 #include "pbd/stacktrace.h"
24 #include "pbd/unwind.h"
25
26 #include "ardour/control_protocol_manager.h"
27 #include "ardour/midi_region.h"
28 #include "ardour/playlist.h"
29 #include "ardour/profile.h"
30 #include "ardour/route_group.h"
31 #include "ardour/selection.h"
32 #include "ardour/session.h"
33 #include "ardour/vca.h"
34
35 #include "editor.h"
36 #include "editor_drag.h"
37 #include "editor_routes.h"
38 #include "actions.h"
39 #include "audio_time_axis.h"
40 #include "audio_region_view.h"
41 #include "audio_streamview.h"
42 #include "automation_line.h"
43 #include "control_point.h"
44 #include "editor_regions.h"
45 #include "editor_cursors.h"
46 #include "midi_region_view.h"
47 #include "sfdb_ui.h"
48
49 #include "pbd/i18n.h"
50
51 using namespace std;
52 using namespace ARDOUR;
53 using namespace PBD;
54 using namespace Gtk;
55 using namespace Glib;
56 using namespace Gtkmm2ext;
57 using namespace Editing;
58
59 struct TrackViewByPositionSorter
60 {
61         bool operator() (const TimeAxisView* a, const TimeAxisView *b) {
62                 return a->y_position() < b->y_position();
63         }
64 };
65
66 bool
67 Editor::extend_selection_to_track (TimeAxisView& view)
68 {
69         if (selection->selected (&view)) {
70                 /* already selected, do nothing */
71                 return false;
72         }
73
74         if (selection->tracks.empty()) {
75
76                 if (!selection->selected (&view)) {
77                         selection->set (&view);
78                         return true;
79                 } else {
80                         return false;
81                 }
82         }
83
84         /* something is already selected, so figure out which range of things to add */
85
86         TrackViewList to_be_added;
87         TrackViewList sorted = track_views;
88         TrackViewByPositionSorter cmp;
89         bool passed_clicked = false;
90         bool forwards = true;
91
92         sorted.sort (cmp);
93
94         /* figure out if we should go forward or backwards */
95
96         for (TrackViewList::iterator i = sorted.begin(); i != sorted.end(); ++i) {
97
98                 if ((*i) == &view) {
99                         passed_clicked = true;
100                 }
101
102                 if (selection->selected (*i)) {
103                         if (passed_clicked) {
104                                 forwards = true;
105                         } else {
106                                 forwards = false;
107                         }
108                         break;
109                 }
110         }
111
112         passed_clicked = false;
113
114         if (forwards) {
115
116                 for (TrackViewList::iterator i = sorted.begin(); i != sorted.end(); ++i) {
117
118                         if ((*i) == &view) {
119                                 passed_clicked = true;
120                                 continue;
121                         }
122
123                         if (passed_clicked) {
124                                 if ((*i)->hidden()) {
125                                         continue;
126                                 }
127                                 if (selection->selected (*i)) {
128                                         break;
129                                 } else if (!(*i)->hidden()) {
130                                         to_be_added.push_back (*i);
131                                 }
132                         }
133                 }
134
135         } else {
136
137                 for (TrackViewList::reverse_iterator r = sorted.rbegin(); r != sorted.rend(); ++r) {
138
139                         if ((*r) == &view) {
140                                 passed_clicked = true;
141                                 continue;
142                         }
143
144                         if (passed_clicked) {
145
146                                 if ((*r)->hidden()) {
147                                         continue;
148                                 }
149
150                                 if (selection->selected (*r)) {
151                                         break;
152                                 } else if (!(*r)->hidden()) {
153                                         to_be_added.push_back (*r);
154                                 }
155                         }
156                 }
157         }
158
159         if (!selection->selected (&view)) {
160                 to_be_added.push_back (&view);
161         }
162
163         if (!to_be_added.empty()) {
164                 selection->add (to_be_added);
165                 return true;
166         }
167
168         return false;
169 }
170
171 void
172 Editor::select_all_tracks ()
173 {
174         TrackViewList visible_views;
175         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
176                 if ((*i)->marked_for_display()) {
177                         visible_views.push_back (*i);
178                 }
179         }
180         PBD::Unwinder<bool> uw (_track_selection_change_without_scroll, true);
181         selection->set (visible_views);
182 }
183
184 /** Select clicked_axisview, unless there are no currently selected
185  *  tracks, in which case nothing will happen unless `force' is true.
186  */
187 void
188 Editor::set_selected_track_as_side_effect (Selection::Operation op)
189 {
190         if (!clicked_axisview) {
191                 return;
192         }
193
194         PBD::Unwinder<bool> uw (_editor_track_selection_change_without_scroll, true);
195
196         RouteGroup* group = NULL;
197         if (clicked_routeview) {
198                 group = clicked_routeview->route()->route_group();
199         }
200
201         switch (op) {
202         case Selection::Toggle:
203                 if (selection->selected (clicked_axisview)) {
204                         if (group && group->is_active()) {
205                                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end (); ++i) {
206                                         if ((*i)->route_group() == group) {
207                                                 selection->remove(*i);
208                                         }
209                                 }
210                         } else {
211                                 selection->remove (clicked_axisview);
212                         }
213                 } else {
214                         if (group && group->is_active()) {
215                                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end (); ++i) {
216                                         if ((*i)->route_group() == group) {
217                                                 selection->add(*i);
218                                         }
219                                 }
220                         } else {
221                                 selection->add (clicked_axisview);
222                         }
223                 }
224                 break;
225
226         case Selection::Add:
227                 if (group && group->is_active()) {
228                         for (TrackViewList::iterator i  = track_views.begin(); i != track_views.end (); ++i) {
229                                 if ((*i)->route_group() == group) {
230                                         selection->add(*i);
231                                 }
232                         }
233                 } else {
234                         selection->add (clicked_axisview);
235                 }
236                 break;
237
238         case Selection::Set:
239                 selection->clear();
240                 if (group && group->is_active()) {
241                         for (TrackViewList::iterator i  = track_views.begin(); i != track_views.end (); ++i) {
242                                 if ((*i)->route_group() == group) {
243                                         selection->add(*i);
244                                 }
245                         }
246                 } else {
247                         selection->set (clicked_axisview);
248                 }
249                 break;
250
251         case Selection::Extend:
252                 selection->clear();
253                 break;
254         }
255 }
256
257 void
258 Editor::set_selected_track (TimeAxisView& view, Selection::Operation op, bool no_remove)
259 {
260         begin_reversible_selection_op (X_("Set Selected Track"));
261
262         switch (op) {
263         case Selection::Toggle:
264                 if (selection->selected (&view)) {
265                         if (!no_remove) {
266                                 selection->remove (&view);
267                         }
268                 } else {
269                         selection->add (&view);
270                 }
271                 break;
272
273         case Selection::Add:
274                 selection->add (&view);
275                 break;
276
277         case Selection::Set:
278                 selection->set (&view);
279                 break;
280
281         case Selection::Extend:
282                 extend_selection_to_track (view);
283                 break;
284         }
285
286         commit_reversible_selection_op ();
287 }
288
289 void
290 Editor::set_selected_track_from_click (bool press, Selection::Operation op, bool no_remove)
291 {
292         if (!clicked_routeview) {
293                 return;
294         }
295
296         if (!press) {
297                 return;
298         }
299
300         set_selected_track (*clicked_routeview, op, no_remove);
301 }
302
303 bool
304 Editor::set_selected_control_point_from_click (bool press, Selection::Operation op)
305 {
306         if (!clicked_control_point) {
307                 return false;
308         }
309
310         bool ret = false;
311
312         switch (op) {
313         case Selection::Set:
314                 if (!selection->selected (clicked_control_point)) {
315                         selection->set (clicked_control_point);
316                         ret = true;
317                 } else {
318                         /* clicked on an already selected point */
319                         if (press) {
320                                 break;
321                         } else {
322                                 if (selection->points.size() > 1) {
323                                         selection->set (clicked_control_point);
324                                         ret = true;
325                                 }
326                         }
327                 }
328                 break;
329
330         case Selection::Add:
331                 if (press) {
332                         selection->add (clicked_control_point);
333                         ret = true;
334                 }
335                 break;
336         case Selection::Toggle:
337
338                 /* This is a bit of a hack; if we Primary-Click-Drag a control
339                    point (for push drag) we want the point we clicked on to be
340                    selected, otherwise we end up confusingly dragging an
341                    unselected point.  So here we ensure that the point is selected
342                    after the press, and if we subsequently get a release (meaning no
343                    drag occurred) we set things up so that the toggle has happened.
344                 */
345                 if (press && !selection->selected (clicked_control_point)) {
346                         /* This is the button press, and the control point is not selected; make it so,
347                            in case this press leads to a drag.  Also note that having done this, we don't
348                            need to toggle again on release.
349                         */
350                         selection->toggle (clicked_control_point);
351                         _control_point_toggled_on_press = true;
352                         ret = true;
353                 } else if (!press && !_control_point_toggled_on_press) {
354                         /* This is the release, and the point wasn't toggled on the press, so do it now */
355                         selection->toggle (clicked_control_point);
356                         ret = true;
357                 } else {
358                         /* Reset our flag */
359                         _control_point_toggled_on_press = false;
360                 }
361                 break;
362         case Selection::Extend:
363                 /* XXX */
364                 break;
365         }
366
367         return ret;
368 }
369
370 void
371 Editor::get_onscreen_tracks (TrackViewList& tvl)
372 {
373         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
374                 if ((*i)->y_position() < _visible_canvas_height) {
375                         tvl.push_back (*i);
376                 }
377         }
378 }
379
380 /** Call a slot for a given `basis' track and also for any track that is in the same
381  *  active route group with a particular set of properties.
382  *
383  *  @param sl Slot to call.
384  *  @param basis Basis track.
385  *  @param prop Properties that active edit groups must share to be included in the map.
386  */
387
388 void
389 Editor::mapover_tracks (sigc::slot<void, RouteTimeAxisView&, uint32_t> sl, TimeAxisView* basis, PBD::PropertyID prop) const
390 {
391         RouteTimeAxisView* route_basis = dynamic_cast<RouteTimeAxisView*> (basis);
392
393         if (route_basis == 0) {
394                 return;
395         }
396
397         set<RouteTimeAxisView*> tracks;
398         tracks.insert (route_basis);
399
400         RouteGroup* group = route_basis->route()->route_group();
401
402         if (group && group->enabled_property(prop) && group->enabled_property (Properties::active.property_id)) {
403
404                 /* the basis is a member of an active route group, with the appropriate
405                    properties; find other members */
406
407                 for (TrackViewList::const_iterator i = track_views.begin(); i != track_views.end(); ++i) {
408                         RouteTimeAxisView* v = dynamic_cast<RouteTimeAxisView*> (*i);
409                         if (v && v->route()->route_group() == group) {
410                                 tracks.insert (v);
411                         }
412                 }
413         }
414
415         /* call the slots */
416         uint32_t const sz = tracks.size ();
417
418         for (set<RouteTimeAxisView*>::iterator i = tracks.begin(); i != tracks.end(); ++i) {
419                 sl (**i, sz);
420         }
421 }
422
423 /** Call a slot for a given `basis' track and also for any track that is in the same
424  *  active route group with a particular set of properties.
425  *
426  *  @param sl Slot to call.
427  *  @param basis Basis track.
428  *  @param prop Properties that active edit groups must share to be included in the map.
429  */
430
431 void
432 Editor::mapover_tracks_with_unique_playlists (sigc::slot<void, RouteTimeAxisView&, uint32_t> sl, TimeAxisView* basis, PBD::PropertyID prop) const
433 {
434         RouteTimeAxisView* route_basis = dynamic_cast<RouteTimeAxisView*> (basis);
435         set<boost::shared_ptr<Playlist> > playlists;
436
437         if (route_basis == 0) {
438                 return;
439         }
440
441         set<RouteTimeAxisView*> tracks;
442         tracks.insert (route_basis);
443
444         RouteGroup* group = route_basis->route()->route_group(); // could be null, not a problem
445
446         if (group && group->enabled_property(prop) && group->enabled_property (Properties::active.property_id)) {
447
448                 /* the basis is a member of an active route group, with the appropriate
449                    properties; find other members */
450
451                 for (TrackViewList::const_iterator i = track_views.begin(); i != track_views.end(); ++i) {
452                         RouteTimeAxisView* v = dynamic_cast<RouteTimeAxisView*> (*i);
453
454                         if (v && v->route()->route_group() == group) {
455
456                                 boost::shared_ptr<Track> t = v->track();
457                                 if (t) {
458                                         if (playlists.insert (t->playlist()).second) {
459                                                 /* haven't seen this playlist yet */
460                                                 tracks.insert (v);
461                                         }
462                                 } else {
463                                         /* not actually a "Track", but a timeaxis view that
464                                            we should mapover anyway.
465                                         */
466                                         tracks.insert (v);
467                                 }
468                         }
469                 }
470         }
471
472         /* call the slots */
473         uint32_t const sz = tracks.size ();
474
475         for (set<RouteTimeAxisView*>::iterator i = tracks.begin(); i != tracks.end(); ++i) {
476                 sl (**i, sz);
477         }
478 }
479
480 void
481 Editor::mapped_get_equivalent_regions (RouteTimeAxisView& tv, uint32_t, RegionView * basis, vector<RegionView*>* all_equivs) const
482 {
483         boost::shared_ptr<Playlist> pl;
484         vector<boost::shared_ptr<Region> > results;
485         RegionView* marv;
486         boost::shared_ptr<Track> tr;
487
488         if ((tr = tv.track()) == 0) {
489                 /* bus */
490                 return;
491         }
492
493         if (&tv == &basis->get_time_axis_view()) {
494                 /* looking in same track as the original */
495                 return;
496         }
497
498         if ((pl = tr->playlist()) != 0) {
499                 pl->get_equivalent_regions (basis->region(), results);
500         }
501
502         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
503                 if ((marv = tv.view()->find_view (*ir)) != 0) {
504                         all_equivs->push_back (marv);
505                 }
506         }
507 }
508
509 void
510 Editor::get_equivalent_regions (RegionView* basis, vector<RegionView*>& equivalent_regions, PBD::PropertyID property) const
511 {
512         mapover_tracks_with_unique_playlists (sigc::bind (sigc::mem_fun (*this, &Editor::mapped_get_equivalent_regions), basis, &equivalent_regions), &basis->get_time_axis_view(), property);
513
514         /* add clicked regionview since we skipped all other regions in the same track as the one it was in */
515
516         equivalent_regions.push_back (basis);
517 }
518
519 RegionSelection
520 Editor::get_equivalent_regions (RegionSelection & basis, PBD::PropertyID prop) const
521 {
522         RegionSelection equivalent;
523
524         for (RegionSelection::const_iterator i = basis.begin(); i != basis.end(); ++i) {
525
526                 vector<RegionView*> eq;
527
528                 mapover_tracks_with_unique_playlists (
529                         sigc::bind (sigc::mem_fun (*this, &Editor::mapped_get_equivalent_regions), *i, &eq),
530                         &(*i)->get_time_axis_view(), prop);
531
532                 for (vector<RegionView*>::iterator j = eq.begin(); j != eq.end(); ++j) {
533                         equivalent.add (*j);
534                 }
535
536                 equivalent.add (*i);
537         }
538
539         return equivalent;
540 }
541
542 int
543 Editor::get_regionview_count_from_region_list (boost::shared_ptr<Region> region)
544 {
545         int region_count = 0;
546
547         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
548
549                 RouteTimeAxisView* tatv;
550
551                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
552
553                         boost::shared_ptr<Playlist> pl;
554                         vector<boost::shared_ptr<Region> > results;
555                         RegionView* marv;
556                         boost::shared_ptr<Track> tr;
557
558                         if ((tr = tatv->track()) == 0) {
559                                 /* bus */
560                                 continue;
561                         }
562
563                         if ((pl = (tr->playlist())) != 0) {
564                                 pl->get_region_list_equivalent_regions (region, results);
565                         }
566
567                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
568                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
569                                         region_count++;
570                                 }
571                         }
572
573                 }
574         }
575
576         return region_count;
577 }
578
579
580 bool
581 Editor::set_selected_regionview_from_click (bool press, Selection::Operation op)
582 {
583         vector<RegionView*> all_equivalent_regions;
584         bool commit = false;
585
586         if (!clicked_regionview || !clicked_routeview) {
587                 return false;
588         }
589
590         if (press) {
591                 button_release_can_deselect = false;
592         }
593
594         if (op == Selection::Toggle || op == Selection::Set) {
595
596                 switch (op) {
597                 case Selection::Toggle:
598                         if (selection->selected (clicked_regionview)) {
599                                 if (press) {
600
601                                         /* whatever was clicked was selected already; do nothing here but allow
602                                            the button release to deselect it
603                                         */
604
605                                         button_release_can_deselect = true;
606
607                                 } else {
608                                         if (button_release_can_deselect) {
609
610                                                 /* just remove this one region, but only on a permitted button release */
611
612                                                 selection->remove (clicked_regionview);
613                                                 commit = true;
614
615                                                 /* no more deselect action on button release till a new press
616                                                    finds an already selected object.
617                                                 */
618
619                                                 button_release_can_deselect = false;
620                                         }
621                                 }
622
623                         } else {
624
625                                 if (press) {
626
627                                         if (selection->selected (clicked_routeview)) {
628                                                 get_equivalent_regions (clicked_regionview, all_equivalent_regions, ARDOUR::Properties::group_select.property_id);
629                                         } else {
630                                                 all_equivalent_regions.push_back (clicked_regionview);
631                                         }
632
633                                         /* add all the equivalent regions, but only on button press */
634
635                                         if (!all_equivalent_regions.empty()) {
636                                                 commit = true;
637                                         }
638
639                                         selection->add (all_equivalent_regions);
640                                 }
641                         }
642                         break;
643
644                 case Selection::Set:
645                         if (!selection->selected (clicked_regionview)) {
646                                 get_equivalent_regions (clicked_regionview, all_equivalent_regions, ARDOUR::Properties::group_select.property_id);
647                                 selection->set (all_equivalent_regions);
648                                 commit = true;
649                         } else {
650                                 /* clicked on an already selected region */
651                                 if (press)
652                                         goto out;
653                                 else {
654                                         if (selection->regions.size() > 1) {
655                                                 /* collapse region selection down to just this one region (and its equivalents) */
656                                                 get_equivalent_regions(clicked_regionview, all_equivalent_regions, ARDOUR::Properties::group_select.property_id);
657                                                 selection->set(all_equivalent_regions);
658                                                 commit = true;
659                                         }
660                                 }
661                         }
662                         break;
663
664                 default:
665                         /* silly compiler */
666                         break;
667                 }
668
669         } else if (op == Selection::Extend) {
670
671                 list<Selectable*> results;
672                 samplepos_t last_sample;
673                 samplepos_t first_sample;
674                 bool same_track = false;
675
676                 /* 1. find the last selected regionview in the track that was clicked in */
677
678                 last_sample = 0;
679                 first_sample = max_samplepos;
680
681                 for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
682                         if (&(*x)->get_time_axis_view() == &clicked_regionview->get_time_axis_view()) {
683
684                                 if ((*x)->region()->last_sample() > last_sample) {
685                                         last_sample = (*x)->region()->last_sample();
686                                 }
687
688                                 if ((*x)->region()->first_sample() < first_sample) {
689                                         first_sample = (*x)->region()->first_sample();
690                                 }
691
692                                 same_track = true;
693                         }
694                 }
695
696                 if (same_track) {
697
698                         /* 2. figure out the boundaries for our search for new objects */
699
700                         switch (clicked_regionview->region()->coverage (first_sample, last_sample)) {
701                         case Evoral::OverlapNone:
702                                 if (last_sample < clicked_regionview->region()->first_sample()) {
703                                         first_sample = last_sample;
704                                         last_sample = clicked_regionview->region()->last_sample();
705                                 } else {
706                                         last_sample = first_sample;
707                                         first_sample = clicked_regionview->region()->first_sample();
708                                 }
709                                 break;
710
711                         case Evoral::OverlapExternal:
712                                 if (last_sample < clicked_regionview->region()->first_sample()) {
713                                         first_sample = last_sample;
714                                         last_sample = clicked_regionview->region()->last_sample();
715                                 } else {
716                                         last_sample = first_sample;
717                                         first_sample = clicked_regionview->region()->first_sample();
718                                 }
719                                 break;
720
721                         case Evoral::OverlapInternal:
722                                 if (last_sample < clicked_regionview->region()->first_sample()) {
723                                         first_sample = last_sample;
724                                         last_sample = clicked_regionview->region()->last_sample();
725                                 } else {
726                                         last_sample = first_sample;
727                                         first_sample = clicked_regionview->region()->first_sample();
728                                 }
729                                 break;
730
731                         case Evoral::OverlapStart:
732                         case Evoral::OverlapEnd:
733                                 /* nothing to do except add clicked region to selection, since it
734                                    overlaps with the existing selection in this track.
735                                 */
736                                 break;
737                         }
738
739                 } else {
740
741                         /* click in a track that has no regions selected, so extend vertically
742                            to pick out all regions that are defined by the existing selection
743                            plus this one.
744                         */
745
746
747                         first_sample = clicked_regionview->region()->position();
748                         last_sample = clicked_regionview->region()->last_sample();
749
750                         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
751                                 if ((*i)->region()->position() < first_sample) {
752                                         first_sample = (*i)->region()->position();
753                                 }
754                                 if ((*i)->region()->last_sample() + 1 > last_sample) {
755                                         last_sample = (*i)->region()->last_sample();
756                                 }
757                         }
758                 }
759
760                 /* 2. find all the tracks we should select in */
761
762                 set<RouteTimeAxisView*> relevant_tracks;
763
764                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
765                         RouteTimeAxisView* r = dynamic_cast<RouteTimeAxisView*> (*i);
766                         if (r) {
767                                 relevant_tracks.insert (r);
768                         }
769                 }
770
771                 set<RouteTimeAxisView*> already_in_selection;
772
773                 if (relevant_tracks.empty()) {
774
775                         /* no tracks selected .. thus .. if the
776                            regionview we're in isn't selected
777                            (i.e. we're about to extend to it), then
778                            find all tracks between the this one and
779                            any selected ones.
780                         */
781
782                         if (!selection->selected (clicked_regionview)) {
783
784                                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (&clicked_regionview->get_time_axis_view());
785
786                                 if (rtv) {
787
788                                         /* add this track to the ones we will search */
789
790                                         relevant_tracks.insert (rtv);
791
792                                         /* find the track closest to this one that
793                                            already a selected region.
794                                         */
795
796                                         RouteTimeAxisView* closest = 0;
797                                         int distance = INT_MAX;
798                                         int key = rtv->route()->presentation_info().order ();
799
800                                         for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
801
802                                                 RouteTimeAxisView* artv = dynamic_cast<RouteTimeAxisView*>(&(*x)->get_time_axis_view());
803
804                                                 if (artv && artv != rtv) {
805
806                                                         pair<set<RouteTimeAxisView*>::iterator,bool> result;
807
808                                                         result = already_in_selection.insert (artv);
809
810                                                         if (result.second) {
811                                                                 /* newly added to already_in_selection */
812
813                                                                 int d = artv->route()->presentation_info().order ();
814
815                                                                 d -= key;
816
817                                                                 if (abs (d) < distance) {
818                                                                         distance = abs (d);
819                                                                         closest = artv;
820                                                                 }
821                                                         }
822                                                 }
823                                         }
824
825                                         if (closest) {
826
827                                                 /* now add all tracks between that one and this one */
828
829                                                 int okey = closest->route()->presentation_info().order ();
830
831                                                 if (okey > key) {
832                                                         swap (okey, key);
833                                                 }
834
835                                                 for (TrackViewList::iterator x = track_views.begin(); x != track_views.end(); ++x) {
836                                                         RouteTimeAxisView* artv = dynamic_cast<RouteTimeAxisView*>(*x);
837                                                         if (artv && artv != rtv) {
838
839                                                                 int k = artv->route()->presentation_info().order ();
840
841                                                                 if (k >= okey && k <= key) {
842
843                                                                         /* in range but don't add it if
844                                                                            it already has tracks selected.
845                                                                            this avoids odd selection
846                                                                            behaviour that feels wrong.
847                                                                         */
848
849                                                                         if (find (already_in_selection.begin(),
850                                                                                   already_in_selection.end(),
851                                                                                   artv) == already_in_selection.end()) {
852
853                                                                                 relevant_tracks.insert (artv);
854                                                                         }
855                                                                 }
856                                                         }
857                                                 }
858                                         }
859                                 }
860                         }
861                 }
862
863                 /* 3. find all selectable objects (regionviews in this case) between that one and the end of the
864                    one that was clicked.
865                 */
866
867                 for (set<RouteTimeAxisView*>::iterator t = relevant_tracks.begin(); t != relevant_tracks.end(); ++t) {
868                         (*t)->get_selectables (first_sample, last_sample, -1.0, -1.0, results);
869                 }
870
871                 /* 4. convert to a vector of regions */
872
873                 vector<RegionView*> regions;
874
875                 for (list<Selectable*>::iterator x = results.begin(); x != results.end(); ++x) {
876                         RegionView* arv;
877
878                         if ((arv = dynamic_cast<RegionView*>(*x)) != 0) {
879                                 regions.push_back (arv);
880                         }
881                 }
882
883                 if (!regions.empty()) {
884                         selection->add (regions);
885                         commit = true;
886                 } else if (selection->regions.empty() && !selection->selected (clicked_regionview)) {
887                         /* ensure that at least the clicked regionview is selected. */
888                         selection->set (clicked_regionview);
889                         commit = true;
890                 }
891
892         }
893
894 out:
895         return commit;
896 }
897
898 void
899 Editor::set_selection (std::list<Selectable*> s, Selection::Operation op)
900 {
901         if (s.empty()) {
902                 return;
903         }
904         begin_reversible_selection_op (X_("set selection"));
905         switch (op) {
906                 case Selection::Toggle:
907                         selection->toggle (s);
908                         break;
909                 case Selection::Set:
910                         selection->set (s);
911                         break;
912                 case Selection::Extend:
913                         selection->add (s);
914                         break;
915                 case Selection::Add:
916                         selection->add (s);
917                         break;
918         }
919
920         commit_reversible_selection_op () ;
921 }
922
923 void
924 Editor::set_selected_regionview_from_region_list (boost::shared_ptr<Region> region, Selection::Operation op)
925 {
926         vector<RegionView*> all_equivalent_regions;
927
928         get_regions_corresponding_to (region, all_equivalent_regions, region->whole_file());
929
930         if (all_equivalent_regions.empty()) {
931                 return;
932         }
933
934         begin_reversible_selection_op (X_("set selected regions"));
935
936         switch (op) {
937         case Selection::Toggle:
938                 /* XXX this is not correct */
939                 selection->toggle (all_equivalent_regions);
940                 break;
941         case Selection::Set:
942                 selection->set (all_equivalent_regions);
943                 break;
944         case Selection::Extend:
945                 selection->add (all_equivalent_regions);
946                 break;
947         case Selection::Add:
948                 selection->add (all_equivalent_regions);
949                 break;
950         }
951
952         commit_reversible_selection_op () ;
953 }
954
955 bool
956 Editor::set_selected_regionview_from_map_event (GdkEventAny* /*ev*/, StreamView* sv, boost::weak_ptr<Region> weak_r)
957 {
958         RegionView* rv;
959         boost::shared_ptr<Region> r (weak_r.lock());
960
961         if (!r) {
962                 return true;
963         }
964
965         if ((rv = sv->find_view (r)) == 0) {
966                 return true;
967         }
968
969         /* don't reset the selection if its something other than
970            a single other region.
971         */
972
973         if (selection->regions.size() > 1) {
974                 return true;
975         }
976
977         begin_reversible_selection_op (X_("set selected regions"));
978
979         selection->set (rv);
980
981         commit_reversible_selection_op () ;
982
983         return true;
984 }
985
986 struct SelectionOrderSorter {
987         bool operator() (TimeAxisView const * const a, TimeAxisView const * const b) const  {
988                 boost::shared_ptr<Stripable> sa = a->stripable ();
989                 boost::shared_ptr<Stripable> sb = b->stripable ();
990                 if (!sa && !sb) {
991                         return a < b;
992                 }
993                 if (!sa) {
994                         return false;
995                 }
996                 if (!sb) {
997                         return true;
998                 }
999                 return sa->presentation_info().selection_cnt() < sb->presentation_info().selection_cnt();
1000         }
1001 };
1002
1003 void
1004 Editor::presentation_info_changed (PropertyChange const & what_changed)
1005 {
1006         uint32_t n_tracks = 0;
1007         uint32_t n_busses = 0;
1008         uint32_t n_vcas = 0;
1009         uint32_t n_routes = 0;
1010         uint32_t n_stripables = 0;
1011
1012         /* We cannot ensure ordering of the handlers for
1013          * PresentationInfo::Changed, so we have to do everything in order
1014          * here, as a single handler.
1015          */
1016
1017         if (what_changed.contains (Properties::selected)) {
1018                 for (TrackViewList::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
1019                         (*i)->set_selected (false);
1020                         (*i)->hide_selection ();
1021                 }
1022         }
1023
1024         /* STEP 1: set the GUI selection state (in which TimeAxisViews for the
1025          * currently selected stripable/controllable duples are found and added
1026          */
1027
1028         selection->core_selection_changed (what_changed);
1029
1030         /* STEP 2: update TimeAxisView's knowledge of their selected state
1031          */
1032
1033         if (what_changed.contains (Properties::selected)) {
1034
1035                 StripableNotificationListPtr stripables (new StripableNotificationList);
1036
1037                 switch (selection->tracks.size()) {
1038                 case 0:
1039                         break;
1040                 default:
1041                         set_selected_mixer_strip (*(selection->tracks.back()));
1042                         if (!_track_selection_change_without_scroll && !_editor_track_selection_change_without_scroll) {
1043                                 ensure_time_axis_view_is_visible (*(selection->tracks.back()), false);
1044                         }
1045                         break;
1046                 }
1047
1048                 CoreSelection::StripableAutomationControls sc;
1049                 _session->selection().get_stripables (sc);
1050
1051                 for (CoreSelection::StripableAutomationControls::const_iterator i = sc.begin(); i != sc.end(); ++i) {
1052
1053                         AxisView* av = axis_view_by_stripable ((*i).stripable);
1054
1055                         if (!av) {
1056                                 continue;
1057                         }
1058
1059                         n_stripables++;
1060
1061                         if (boost::dynamic_pointer_cast<Track> ((*i).stripable)) {
1062                                 n_tracks++;
1063                                 n_routes++;
1064                         } else if (boost::dynamic_pointer_cast<Route> ((*i).stripable)) {
1065                                 n_busses++;
1066                                 n_routes++;
1067                         } else if (boost::dynamic_pointer_cast<VCA> ((*i).stripable)) {
1068                                 n_vcas++;
1069                         }
1070
1071                         TimeAxisView* tav = dynamic_cast<TimeAxisView*> (av);
1072
1073                         if (!tav) {
1074                                 assert (0);
1075                                 continue; /* impossible */
1076                         }
1077
1078                         if (!(*i).controllable) {
1079
1080                                 /* "parent" track selected */
1081                                 tav->set_selected (true);
1082                                 tav->reshow_selection (selection->time);
1083
1084                         } else {
1085
1086                                 /* possibly a child */
1087
1088                                 TimeAxisView::Children c = tav->get_child_list ();
1089
1090                                 for (TimeAxisView::Children::iterator j = c.begin(); j != c.end(); ++j) {
1091
1092                                         boost::shared_ptr<AutomationControl> control = (*j)->control ();
1093
1094                                         if (control != (*i).controllable) {
1095                                                 continue;
1096                                         }
1097
1098                                         (*j)->set_selected (true);
1099                                         (*j)->reshow_selection (selection->time);
1100                                 }
1101                         }
1102
1103                         stripables->push_back ((*i).stripable);
1104                 }
1105
1106                 ActionManager::set_sensitive (ActionManager::stripable_selection_sensitive_actions, (n_stripables > 0));
1107                 ActionManager::set_sensitive (ActionManager::track_selection_sensitive_actions, (n_tracks > 0));
1108                 ActionManager::set_sensitive (ActionManager::bus_selection_sensitive_actions, (n_busses > 0));
1109                 ActionManager::set_sensitive (ActionManager::route_selection_sensitive_actions, (n_routes > 0));
1110                 ActionManager::set_sensitive (ActionManager::vca_selection_sensitive_actions, (n_vcas > 0));
1111
1112                 sensitize_the_right_region_actions (false);
1113
1114                 /* STEP 4: notify control protocols */
1115
1116                 ControlProtocolManager::instance().stripable_selection_changed (stripables);
1117
1118                 if (sfbrowser && _session && !_session->deletion_in_progress()) {
1119                         uint32_t audio_track_cnt = 0;
1120                         uint32_t midi_track_cnt = 0;
1121
1122                         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
1123                                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
1124
1125                                 if (atv) {
1126                                         if (atv->is_audio_track()) {
1127                                                 audio_track_cnt++;
1128                                         }
1129
1130                                 } else {
1131                                         MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(*x);
1132
1133                                         if (mtv) {
1134                                                 if (mtv->is_midi_track()) {
1135                                                         midi_track_cnt++;
1136                                                 }
1137                                         }
1138                                 }
1139                         }
1140
1141                         sfbrowser->reset (audio_track_cnt, midi_track_cnt);
1142                 }
1143         }
1144
1145         /* STEP 4: update EditorRoutes treeview */
1146
1147         PropertyChange soh;
1148
1149         soh.add (Properties::selected);
1150         soh.add (Properties::order);
1151         soh.add (Properties::hidden);
1152
1153         if (what_changed.contains (soh)) {
1154                 _routes->sync_treeview_from_presentation_info (what_changed);
1155         }
1156 }
1157
1158 void
1159 Editor::track_selection_changed ()
1160 {
1161         if ( _session->solo_selection_active() )
1162                 play_solo_selection(false);
1163 }
1164
1165 void
1166 Editor::time_selection_changed ()
1167 {
1168         /* XXX this is superficially inefficient. Hide the selection in all
1169          * tracks, then show it in all selected tracks.
1170          *
1171          * However, if you investigate what this actually does, it isn't
1172          * anywhere nearly as bad as it may appear. Remember: nothing is
1173          * redrawn or even recomputed during these two loops - that only
1174          * happens when we next render ...
1175          */
1176
1177         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1178                 (*i)->hide_selection ();
1179         }
1180
1181         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
1182                 (*i)->show_selection (selection->time);
1183         }
1184
1185         if (selection->time.empty()) {
1186                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, false);
1187         } else {
1188                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, true);
1189         }
1190
1191         /* propagate into backend, but only when there is no drag or we are at
1192          * the end of a drag, otherwise this is too expensive (could case a
1193          * locate per mouse motion event.
1194          */
1195
1196         if (_session && !_drags->active()) {
1197                 if (selection->time.length() != 0) {
1198                         _session->set_range_selection (selection->time.start(), selection->time.end_sample());
1199                 } else {
1200                         _session->clear_range_selection ();
1201                 }
1202         }
1203 }
1204
1205 /** Set all region actions to have a given sensitivity */
1206 void
1207 Editor::sensitize_all_region_actions (bool s)
1208 {
1209         Glib::ListHandle<Glib::RefPtr<Action> > all = _region_actions->get_actions ();
1210
1211         for (Glib::ListHandle<Glib::RefPtr<Action> >::iterator i = all.begin(); i != all.end(); ++i) {
1212                 (*i)->set_sensitive (s);
1213         }
1214
1215         _all_region_actions_sensitized = s;
1216 }
1217
1218 /** Sensitize region-based actions.
1219  *
1220  *  This method is called from whenever we leave the canvas, either by moving
1221  *  the pointer out of it, or by popping up a context menu. See
1222  *  Editor::{entered,left}_track_canvas() for details there.
1223  */
1224 void
1225 Editor::sensitize_the_right_region_actions (bool because_canvas_crossing)
1226 {
1227         bool have_selection = false;
1228         bool have_entered = false;
1229         bool have_edit_point = false;
1230         RegionSelection rs;
1231
1232         // std::cerr << "STRRA: crossing ? " << because_canvas_crossing << " within ? " << within_track_canvas
1233         // << std::endl;
1234
1235         if (!selection->regions.empty()) {
1236                 have_selection = true;
1237                 rs = selection->regions;
1238         }
1239
1240         if (entered_regionview) {
1241                 have_entered = true;
1242                 rs.add (entered_regionview);
1243         }
1244
1245         if (rs.empty() && !selection->tracks.empty()) {
1246
1247                 /* no selected regions, but some selected tracks.
1248                  */
1249
1250                 if (_edit_point == EditAtMouse) {
1251                         if (!within_track_canvas) {
1252                                 /* pointer is not in canvas, so edit point is meaningless */
1253                                 have_edit_point = false;
1254                         } else {
1255                                 /* inside canvas. we don't know where the edit
1256                                    point will be when an action is invoked, but
1257                                    assume it could intersect with a region.
1258                                 */
1259                                 have_edit_point = true;
1260                         }
1261                 } else {
1262                         RegionSelection at_edit_point;
1263                         samplepos_t const where = get_preferred_edit_position (Editing::EDIT_IGNORE_NONE, false, !within_track_canvas);
1264                         get_regions_at (at_edit_point, where, selection->tracks);
1265                         if (!at_edit_point.empty()) {
1266                                 have_edit_point = true;
1267                         }
1268                         if (rs.empty()) {
1269                                 rs.insert (rs.end(), at_edit_point.begin(), at_edit_point.end());
1270                         }
1271                 }
1272         }
1273
1274         //std::cerr << "\tfinal have selection: " << have_selection
1275         // << " have entered " << have_entered
1276         // << " have edit point " << have_edit_point
1277         // << " EP = " << enum_2_string (_edit_point)
1278         // << std::endl;
1279
1280         typedef std::map<std::string,RegionAction> RegionActionMap;
1281
1282         _ignore_region_action = true;
1283
1284         for (RegionActionMap::iterator x = region_action_map.begin(); x != region_action_map.end(); ++x) {
1285                 RegionActionTarget tgt = x->second.target;
1286                 bool sensitive = false;
1287
1288                 if ((tgt & SelectedRegions) && have_selection) {
1289                         sensitive = true;
1290                 } else if ((tgt & EnteredRegions) && have_entered) {
1291                         sensitive = true;
1292                 } else if ((tgt & EditPointRegions) && have_edit_point) {
1293                         sensitive = true;
1294                 }
1295
1296                 x->second.action->set_sensitive (sensitive);
1297         }
1298
1299         /* Look through the regions that are selected and make notes about what we have got */
1300
1301         bool have_audio = false;
1302         bool have_multichannel_audio = false;
1303         bool have_midi = false;
1304         bool have_locked = false;
1305         bool have_unlocked = false;
1306         bool have_video_locked = false;
1307         bool have_video_unlocked = false;
1308         bool have_position_lock_style_audio = false;
1309         bool have_position_lock_style_music = false;
1310         bool have_muted = false;
1311         bool have_unmuted = false;
1312         bool have_opaque = false;
1313         bool have_non_opaque = false;
1314         bool have_not_at_natural_position = false;
1315         bool have_envelope_active = false;
1316         bool have_envelope_inactive = false;
1317         bool have_non_unity_scale_amplitude = false;
1318         bool have_compound_regions = false;
1319         bool have_inactive_fade_in = false;
1320         bool have_inactive_fade_out = false;
1321         bool have_active_fade_in = false;
1322         bool have_active_fade_out = false;
1323         bool have_transients = false;
1324
1325         for (list<RegionView*>::const_iterator i = rs.begin(); i != rs.end(); ++i) {
1326
1327                 boost::shared_ptr<Region> r = (*i)->region ();
1328                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (r);
1329
1330                 if (ar) {
1331                         have_audio = true;
1332                         if (ar->n_channels() > 1) {
1333                                 have_multichannel_audio = true;
1334                         }
1335                 }
1336
1337                 if (boost::dynamic_pointer_cast<MidiRegion> (r)) {
1338                         have_midi = true;
1339                 }
1340
1341                 if (r->is_compound()) {
1342                         have_compound_regions = true;
1343                 }
1344
1345                 if (r->locked()) {
1346                         have_locked = true;
1347                 } else {
1348                         have_unlocked = true;
1349                 }
1350
1351                 if (r->video_locked()) {
1352                         have_video_locked = true;
1353                 } else {
1354                         have_video_unlocked = true;
1355                 }
1356
1357                 if (r->position_lock_style() == MusicTime) {
1358                         have_position_lock_style_music = true;
1359                 } else {
1360                         have_position_lock_style_audio = true;
1361                 }
1362
1363                 if (r->muted()) {
1364                         have_muted = true;
1365                 } else {
1366                         have_unmuted = true;
1367                 }
1368
1369                 if (r->opaque()) {
1370                         have_opaque = true;
1371                 } else {
1372                         have_non_opaque = true;
1373                 }
1374
1375                 if (!r->at_natural_position()) {
1376                         have_not_at_natural_position = true;
1377                 }
1378
1379                 if (r->has_transients ()){
1380                         have_transients = true;
1381                 }
1382
1383                 if (ar) {
1384                         if (ar->envelope_active()) {
1385                                 have_envelope_active = true;
1386                         } else {
1387                                 have_envelope_inactive = true;
1388                         }
1389
1390                         if (ar->scale_amplitude() != 1) {
1391                                 have_non_unity_scale_amplitude = true;
1392                         }
1393
1394                         if (ar->fade_in_active ()) {
1395                                 have_active_fade_in = true;
1396                         } else {
1397                                 have_inactive_fade_in = true;
1398                         }
1399
1400                         if (ar->fade_out_active ()) {
1401                                 have_active_fade_out = true;
1402                         } else {
1403                                 have_inactive_fade_out = true;
1404                         }
1405                 }
1406         }
1407
1408         _region_actions->get_action("split-region-at-transients")->set_sensitive (have_transients);
1409
1410         if (rs.size() > 1) {
1411                 _region_actions->get_action("show-region-list-editor")->set_sensitive (false);
1412                 _region_actions->get_action("show-region-properties")->set_sensitive (false);
1413                 _region_actions->get_action("rename-region")->set_sensitive (false);
1414                 if (have_audio) {
1415                         /* XXX need to check whether there is than 1 per
1416                            playlist, because otherwise this makes no sense.
1417                         */
1418                         _region_actions->get_action("combine-regions")->set_sensitive (true);
1419                 } else {
1420                         _region_actions->get_action("combine-regions")->set_sensitive (false);
1421                 }
1422         } else if (rs.size() == 1) {
1423                 _region_actions->get_action("add-range-markers-from-region")->set_sensitive (false);
1424                 _region_actions->get_action("close-region-gaps")->set_sensitive (false);
1425                 _region_actions->get_action("combine-regions")->set_sensitive (false);
1426         }
1427
1428         if (!have_multichannel_audio) {
1429                 _region_actions->get_action("split-multichannel-region")->set_sensitive (false);
1430         }
1431
1432         if (!have_midi) {
1433                 editor_menu_actions->get_action("RegionMenuMIDI")->set_sensitive (false);
1434                 _region_actions->get_action("show-region-list-editor")->set_sensitive (false);
1435                 _region_actions->get_action("quantize-region")->set_sensitive (false);
1436                 _region_actions->get_action("legatize-region")->set_sensitive (false);
1437                 _region_actions->get_action("remove-overlap")->set_sensitive (false);
1438                 _region_actions->get_action("transform-region")->set_sensitive (false);
1439                 _region_actions->get_action("fork-region")->set_sensitive (false);
1440                 _region_actions->get_action("insert-patch-change-context")->set_sensitive (false);
1441                 _region_actions->get_action("insert-patch-change")->set_sensitive (false);
1442                 _region_actions->get_action("transpose-region")->set_sensitive (false);
1443         } else {
1444                 editor_menu_actions->get_action("RegionMenuMIDI")->set_sensitive (true);
1445                 /* others were already marked sensitive */
1446         }
1447
1448         /* ok, moving along... */
1449
1450         if (have_compound_regions) {
1451                 _region_actions->get_action("uncombine-regions")->set_sensitive (true);
1452         } else {
1453                 _region_actions->get_action("uncombine-regions")->set_sensitive (false);
1454         }
1455
1456         if (have_audio) {
1457
1458                 if (have_envelope_active && !have_envelope_inactive) {
1459                         Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-gain-envelope-active"))->set_active ();
1460                 } else if (have_envelope_active && have_envelope_inactive) {
1461                         // Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-gain-envelope-active"))->set_inconsistent ();
1462                 }
1463
1464         } else {
1465
1466                 _region_actions->get_action("loudness-analyze-region")->set_sensitive (false);
1467                 _region_actions->get_action("spectral-analyze-region")->set_sensitive (false);
1468                 _region_actions->get_action("reset-region-gain-envelopes")->set_sensitive (false);
1469                 _region_actions->get_action("toggle-region-gain-envelope-active")->set_sensitive (false);
1470                 _region_actions->get_action("pitch-shift-region")->set_sensitive (false);
1471                 _region_actions->get_action("strip-region-silence")->set_sensitive (false);
1472                 _region_actions->get_action("show-rhythm-ferret")->set_sensitive (false);
1473
1474         }
1475
1476         if (!have_non_unity_scale_amplitude || !have_audio) {
1477                 _region_actions->get_action("reset-region-scale-amplitude")->set_sensitive (false);
1478         }
1479
1480         Glib::RefPtr<ToggleAction> a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-lock"));
1481         a->set_active (have_locked && !have_unlocked);
1482         if (have_locked && have_unlocked) {
1483                 // a->set_inconsistent ();
1484         }
1485
1486         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-video-lock"));
1487         a->set_active (have_video_locked && !have_video_unlocked);
1488         if (have_video_locked && have_video_unlocked) {
1489                 // a->set_inconsistent ();
1490         }
1491
1492         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-lock-style"));
1493         a->set_active (have_position_lock_style_music && !have_position_lock_style_audio);
1494
1495         vector<Widget*> proxies = a->get_proxies();
1496         for (vector<Widget*>::iterator p = proxies.begin(); p != proxies.end(); ++p) {
1497                 Gtk::CheckMenuItem* cmi = dynamic_cast<Gtk::CheckMenuItem*> (*p);
1498                 if (cmi) {
1499                         cmi->set_inconsistent (have_position_lock_style_music && have_position_lock_style_audio);
1500                 }
1501         }
1502
1503         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-mute"));
1504         a->set_active (have_muted && !have_unmuted);
1505         if (have_muted && have_unmuted) {
1506                 // a->set_inconsistent ();
1507         }
1508
1509         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-opaque-region"));
1510         a->set_active (have_opaque && !have_non_opaque);
1511         if (have_opaque && have_non_opaque) {
1512                 // a->set_inconsistent ();
1513         }
1514
1515         if (!have_not_at_natural_position) {
1516                 _region_actions->get_action("naturalize-region")->set_sensitive (false);
1517         }
1518
1519         /* XXX: should also check that there is a track of the appropriate type for the selected region */
1520         if (_edit_point == EditAtMouse || _regions->get_single_selection() == 0 || selection->tracks.empty()) {
1521                 _region_actions->get_action("insert-region-from-region-list")->set_sensitive (false);
1522         } else {
1523                 _region_actions->get_action("insert-region-from-region-list")->set_sensitive (true);
1524         }
1525
1526         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fade-in"));
1527         a->set_active (have_active_fade_in && !have_inactive_fade_in);
1528         if (have_active_fade_in && have_inactive_fade_in) {
1529                 // a->set_inconsistent ();
1530         }
1531
1532         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fade-out"));
1533         a->set_active (have_active_fade_out && !have_inactive_fade_out);
1534
1535         if (have_active_fade_out && have_inactive_fade_out) {
1536                 // a->set_inconsistent ();
1537         }
1538
1539         bool const have_active_fade = have_active_fade_in || have_active_fade_out;
1540         bool const have_inactive_fade = have_inactive_fade_in || have_inactive_fade_out;
1541
1542         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fades"));
1543         a->set_active (have_active_fade && !have_inactive_fade);
1544
1545         if (have_active_fade && have_inactive_fade) {
1546                 // a->set_inconsistent ();
1547         }
1548
1549         _ignore_region_action = false;
1550
1551         _all_region_actions_sensitized = false;
1552 }
1553
1554 void
1555 Editor::region_selection_changed ()
1556 {
1557         _regions->block_change_connection (true);
1558         editor_regions_selection_changed_connection.block(true);
1559
1560         if (_region_selection_change_updates_region_list) {
1561                 _regions->unselect_all ();
1562         }
1563
1564         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1565                 (*i)->set_selected_regionviews (selection->regions);
1566         }
1567
1568         if (_region_selection_change_updates_region_list) {
1569                 _regions->set_selected (selection->regions);
1570         }
1571
1572         _regions->block_change_connection (false);
1573         editor_regions_selection_changed_connection.block(false);
1574
1575         sensitize_the_right_region_actions (false);
1576
1577         /* propagate into backend */
1578
1579         if (_session) {
1580                 if (!selection->regions.empty()) {
1581                         _session->set_object_selection (selection->regions.start(), selection->regions.end_sample());
1582                 } else {
1583                         _session->clear_object_selection ();
1584                 }
1585         }
1586
1587         if ( _session->solo_selection_active() )
1588                 play_solo_selection(false);
1589 }
1590
1591 void
1592 Editor::point_selection_changed ()
1593 {
1594         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1595                 (*i)->set_selected_points (selection->points);
1596         }
1597 }
1598
1599 void
1600 Editor::select_all_in_track (Selection::Operation op)
1601 {
1602         list<Selectable *> touched;
1603
1604         if (!clicked_routeview) {
1605                 return;
1606         }
1607
1608         begin_reversible_selection_op (X_("Select All in Track"));
1609
1610         clicked_routeview->get_selectables (0, max_samplepos, 0, DBL_MAX, touched);
1611
1612         switch (op) {
1613         case Selection::Toggle:
1614                 selection->add (touched);
1615                 break;
1616         case Selection::Set:
1617                 selection->set (touched);
1618                 break;
1619         case Selection::Extend:
1620                 /* meaningless, because we're selecting everything */
1621                 break;
1622         case Selection::Add:
1623                 selection->add (touched);
1624                 break;
1625         }
1626
1627         commit_reversible_selection_op ();
1628 }
1629
1630 bool
1631 Editor::select_all_internal_edit (Selection::Operation)
1632 {
1633         bool selected = false;
1634
1635         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1636                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1637                 if (mrv) {
1638                         mrv->select_all_notes ();
1639                         selected = true;
1640                 }
1641         }
1642
1643         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(entered_regionview);
1644         if (mrv) {
1645                 mrv->select_all_notes ();
1646                 selected = true;
1647         }
1648
1649         return selected;
1650 }
1651
1652 void
1653 Editor::select_all_objects (Selection::Operation op)
1654 {
1655         list<Selectable *> touched;
1656
1657         if (internal_editing() && select_all_internal_edit(op)) {
1658                 return;  // Selected notes
1659         }
1660
1661         TrackViewList ts;
1662
1663         if (selection->tracks.empty()) {
1664                 ts = track_views;
1665         } else {
1666                 ts = selection->tracks;
1667         }
1668
1669         for (TrackViewList::iterator iter = ts.begin(); iter != ts.end(); ++iter) {
1670                 if ((*iter)->hidden()) {
1671                         continue;
1672                 }
1673                 (*iter)->get_selectables (0, max_samplepos, 0, DBL_MAX, touched);
1674         }
1675
1676         begin_reversible_selection_op (X_("select all"));
1677         switch (op) {
1678         case Selection::Add:
1679                 selection->add (touched);
1680                 break;
1681         case Selection::Toggle:
1682                 selection->toggle (touched);
1683                 break;
1684         case Selection::Set:
1685                 selection->set (touched);
1686                 break;
1687         case Selection::Extend:
1688                 /* meaningless, because we're selecting everything */
1689                 break;
1690         }
1691         commit_reversible_selection_op ();
1692 }
1693
1694 void
1695 Editor::invert_selection_in_track ()
1696 {
1697         list<Selectable *> touched;
1698
1699         if (!clicked_routeview) {
1700                 return;
1701         }
1702
1703         begin_reversible_selection_op (X_("Invert Selection in Track"));
1704         clicked_routeview->get_inverted_selectables (*selection, touched);
1705         selection->set (touched);
1706         commit_reversible_selection_op ();
1707 }
1708
1709 void
1710 Editor::invert_selection ()
1711 {
1712         list<Selectable *> touched;
1713
1714         if (internal_editing()) {
1715                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1716                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1717                         if (mrv) {
1718                                 mrv->invert_selection ();
1719                         }
1720                 }
1721                 return;
1722         }
1723
1724         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
1725                 if ((*iter)->hidden()) {
1726                         continue;
1727                 }
1728                 (*iter)->get_inverted_selectables (*selection, touched);
1729         }
1730
1731         begin_reversible_selection_op (X_("Invert Selection"));
1732         selection->set (touched);
1733         commit_reversible_selection_op ();
1734 }
1735
1736 /** @param start Start time in session samples.
1737  *  @param end End time in session samples.
1738  *  @param top Top (lower) y limit in trackview coordinates (ie 0 at the top of the track view)
1739  *  @param bottom Bottom (higher) y limit in trackview coordinates (ie 0 at the top of the track view)
1740  *  @param preserve_if_selected true to leave the current selection alone if we're adding to the selection and all of the selectables
1741  *  within the region are already selected.
1742  */
1743 void
1744 Editor::select_all_within (samplepos_t start, samplepos_t end, double top, double bot, const TrackViewList& tracklist, Selection::Operation op, bool preserve_if_selected)
1745 {
1746         list<Selectable*> found;
1747
1748         for (TrackViewList::const_iterator iter = tracklist.begin(); iter != tracklist.end(); ++iter) {
1749
1750                 if ((*iter)->hidden()) {
1751                         continue;
1752                 }
1753
1754                 (*iter)->get_selectables (start, end, top, bot, found);
1755         }
1756
1757         if (found.empty()) {
1758                 selection->clear_objects();
1759                 selection->clear_time ();
1760                 return;
1761         }
1762
1763         if (preserve_if_selected && op != Selection::Toggle) {
1764                 list<Selectable*>::iterator i = found.begin();
1765                 while (i != found.end() && (*i)->selected()) {
1766                         ++i;
1767                 }
1768
1769                 if (i == found.end()) {
1770                         return;
1771                 }
1772         }
1773
1774         begin_reversible_selection_op (X_("select all within"));
1775         switch (op) {
1776         case Selection::Add:
1777                 selection->add (found);
1778                 break;
1779         case Selection::Toggle:
1780                 selection->toggle (found);
1781                 break;
1782         case Selection::Set:
1783                 selection->set (found);
1784                 break;
1785         case Selection::Extend:
1786                 /* not defined yet */
1787                 break;
1788         }
1789
1790         commit_reversible_selection_op ();
1791 }
1792
1793 void
1794 Editor::set_selection_from_region ()
1795 {
1796         if (selection->regions.empty()) {
1797                 return;
1798         }
1799
1800         /* find all the tracks that have selected regions */
1801
1802         set<TimeAxisView*> tracks;
1803
1804         for (RegionSelection::const_iterator r = selection->regions.begin(); r != selection->regions.end(); ++r) {
1805                 tracks.insert (&(*r)->get_time_axis_view());
1806         }
1807
1808         TrackViewList tvl;
1809         tvl.insert (tvl.end(), tracks.begin(), tracks.end());
1810
1811         /* select range (this will clear the region selection) */
1812
1813         selection->set (selection->regions.start(), selection->regions.end_sample());
1814
1815         /* and select the tracks */
1816
1817         selection->set (tvl);
1818
1819         if (!get_smart_mode () || !mouse_mode == Editing::MouseObject) {
1820                 set_mouse_mode (Editing::MouseRange, false);
1821         }
1822 }
1823
1824 void
1825 Editor::set_selection_from_punch()
1826 {
1827         Location* location;
1828
1829         if ((location = _session->locations()->auto_punch_location()) == 0)  {
1830                 return;
1831         }
1832
1833         set_selection_from_range (*location);
1834 }
1835
1836 void
1837 Editor::set_selection_from_loop()
1838 {
1839         Location* location;
1840
1841         if ((location = _session->locations()->auto_loop_location()) == 0)  {
1842                 return;
1843         }
1844         set_selection_from_range (*location);
1845 }
1846
1847 void
1848 Editor::set_selection_from_range (Location& loc)
1849 {
1850         begin_reversible_selection_op (X_("set selection from range"));
1851
1852         selection->set (loc.start(), loc.end());
1853
1854         // if no tracks are selected, enable all tracks
1855         // (_something_ has to be selected for any range selection, otherwise the user won't see anything)
1856         if (selection->tracks.empty()) {
1857                 select_all_tracks();
1858         }
1859
1860         commit_reversible_selection_op ();
1861
1862         if (!get_smart_mode () || mouse_mode != Editing::MouseObject) {
1863                 set_mouse_mode (MouseRange, false);
1864         }
1865 }
1866
1867 void
1868 Editor::select_all_selectables_using_time_selection ()
1869 {
1870         list<Selectable *> touched;
1871
1872         if (selection->time.empty()) {
1873                 return;
1874         }
1875
1876         samplepos_t start = selection->time[clicked_selection].start;
1877         samplepos_t end = selection->time[clicked_selection].end;
1878
1879         if (end - start < 1)  {
1880                 return;
1881         }
1882
1883         TrackViewList* ts;
1884
1885         if (selection->tracks.empty()) {
1886                 ts = &track_views;
1887         } else {
1888                 ts = &selection->tracks;
1889         }
1890
1891         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1892                 if ((*iter)->hidden()) {
1893                         continue;
1894                 }
1895                 (*iter)->get_selectables (start, end - 1, 0, DBL_MAX, touched);
1896         }
1897
1898         begin_reversible_selection_op (X_("select all from range"));
1899         selection->set (touched);
1900         commit_reversible_selection_op ();
1901 }
1902
1903
1904 void
1905 Editor::select_all_selectables_using_punch()
1906 {
1907         Location* location = _session->locations()->auto_punch_location();
1908         list<Selectable *> touched;
1909
1910         if (location == 0 || (location->end() - location->start() <= 1))  {
1911                 return;
1912         }
1913
1914
1915         TrackViewList* ts;
1916
1917         if (selection->tracks.empty()) {
1918                 ts = &track_views;
1919         } else {
1920                 ts = &selection->tracks;
1921         }
1922
1923         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1924                 if ((*iter)->hidden()) {
1925                         continue;
1926                 }
1927                 (*iter)->get_selectables (location->start(), location->end() - 1, 0, DBL_MAX, touched);
1928         }
1929         begin_reversible_selection_op (X_("select all from punch"));
1930         selection->set (touched);
1931         commit_reversible_selection_op ();
1932
1933 }
1934
1935 void
1936 Editor::select_all_selectables_using_loop()
1937 {
1938         Location* location = _session->locations()->auto_loop_location();
1939         list<Selectable *> touched;
1940
1941         if (location == 0 || (location->end() - location->start() <= 1))  {
1942                 return;
1943         }
1944
1945
1946         TrackViewList* ts;
1947
1948         if (selection->tracks.empty()) {
1949                 ts = &track_views;
1950         } else {
1951                 ts = &selection->tracks;
1952         }
1953
1954         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1955                 if ((*iter)->hidden()) {
1956                         continue;
1957                 }
1958                 (*iter)->get_selectables (location->start(), location->end() - 1, 0, DBL_MAX, touched);
1959         }
1960         begin_reversible_selection_op (X_("select all from loop"));
1961         selection->set (touched);
1962         commit_reversible_selection_op ();
1963
1964 }
1965
1966 void
1967 Editor::select_all_selectables_using_cursor (EditorCursor *cursor, bool after)
1968 {
1969         samplepos_t start;
1970         samplepos_t end;
1971         list<Selectable *> touched;
1972
1973         if (after) {
1974                 start = cursor->current_sample();
1975                 end = _session->current_end_sample();
1976         } else {
1977                 if (cursor->current_sample() > 0) {
1978                         start = 0;
1979                         end = cursor->current_sample() - 1;
1980                 } else {
1981                         return;
1982                 }
1983         }
1984
1985         if (internal_editing()) {
1986                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1987                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1988                         if (mrv) {
1989                                 mrv->select_range (start, end);
1990                         }
1991                 }
1992                 return;
1993         }
1994
1995         if (after) {
1996                 begin_reversible_selection_op (X_("select all after cursor"));
1997         } else {
1998                 begin_reversible_selection_op (X_("select all before cursor"));
1999         }
2000
2001         TrackViewList* ts;
2002
2003         if (selection->tracks.empty()) {
2004                 ts = &track_views;
2005         } else {
2006                 ts = &selection->tracks;
2007         }
2008
2009         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
2010                 if ((*iter)->hidden()) {
2011                         continue;
2012                 }
2013                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched);
2014         }
2015         selection->set (touched);
2016         commit_reversible_selection_op ();
2017 }
2018
2019 void
2020 Editor::select_all_selectables_using_edit (bool after, bool from_context_menu)
2021 {
2022         samplepos_t start;
2023         samplepos_t end;
2024         list<Selectable *> touched;
2025
2026         if (after) {
2027                 start = get_preferred_edit_position(EDIT_IGNORE_NONE, from_context_menu);
2028                 end = _session->current_end_sample();
2029         } else {
2030                 if ((end = get_preferred_edit_position(EDIT_IGNORE_NONE, from_context_menu)) > 1) {
2031                         start = 0;
2032                         end -= 1;
2033                 } else {
2034                         return;
2035                 }
2036         }
2037
2038         if (internal_editing()) {
2039                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
2040                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
2041                         mrv->select_range (start, end);
2042                 }
2043                 return;
2044         }
2045
2046         if (after) {
2047                 begin_reversible_selection_op (X_("select all after edit"));
2048         } else {
2049                 begin_reversible_selection_op (X_("select all before edit"));
2050         }
2051
2052         TrackViewList* ts;
2053
2054         if (selection->tracks.empty()) {
2055                 ts = &track_views;
2056         } else {
2057                 ts = &selection->tracks;
2058         }
2059
2060         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
2061                 if ((*iter)->hidden()) {
2062                         continue;
2063                 }
2064                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched);
2065         }
2066         selection->set (touched);
2067         commit_reversible_selection_op ();
2068 }
2069
2070 void
2071 Editor::select_all_selectables_between (bool within)
2072 {
2073         samplepos_t start;
2074         samplepos_t end;
2075         list<Selectable *> touched;
2076
2077         if (!get_edit_op_range (start, end)) {
2078                 return;
2079         }
2080
2081         if (internal_editing()) {
2082                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
2083                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
2084                         mrv->select_range (start, end);
2085                 }
2086                 return;
2087         }
2088
2089         TrackViewList* ts;
2090
2091         if (selection->tracks.empty()) {
2092                 ts = &track_views;
2093         } else {
2094                 ts = &selection->tracks;
2095         }
2096
2097         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
2098                 if ((*iter)->hidden()) {
2099                         continue;
2100                 }
2101                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched, within);
2102         }
2103
2104         begin_reversible_selection_op (X_("Select all Selectables Between"));
2105         selection->set (touched);
2106         commit_reversible_selection_op ();
2107 }
2108
2109 void
2110 Editor::select_range_between ()
2111 {
2112         samplepos_t start;
2113         samplepos_t end;
2114
2115         if (!selection->time.empty()) {
2116                 selection->clear_time ();
2117         }
2118
2119         if (!get_edit_op_range (start, end)) {
2120                 return;
2121         }
2122
2123         if (!get_smart_mode () || mouse_mode != Editing::MouseObject) {
2124                 set_mouse_mode (MouseRange, false);
2125         }
2126
2127         begin_reversible_selection_op (X_("Select Range Between"));
2128         selection->set (start, end);
2129         commit_reversible_selection_op ();
2130 }
2131
2132 bool
2133 Editor::get_edit_op_range (samplepos_t& start, samplepos_t& end) const
2134 {
2135 //      samplepos_t m;
2136 //      bool ignored;
2137
2138         /* if an explicit range exists, use it */
2139
2140         if ((mouse_mode == MouseRange || get_smart_mode()) &&  !selection->time.empty()) {
2141                 /* we know that these are ordered */
2142                 start = selection->time.start();
2143                 end = selection->time.end_sample();
2144                 return true;
2145         } else {
2146                 start = 0;
2147                 end = 0;
2148                 return false;
2149         }
2150
2151 //      if (!mouse_sample (m, ignored)) {
2152 //              /* mouse is not in a canvas, try playhead+selected marker.
2153 //                 this is probably most true when using menus.
2154 //              */
2155 //
2156 //              if (selection->markers.empty()) {
2157 //                      return false;
2158 //              }
2159
2160 //              start = selection->markers.front()->position();
2161 //              end = _session->audible_sample();
2162
2163 //      } else {
2164
2165 //              switch (_edit_point) {
2166 //              case EditAtPlayhead:
2167 //                      if (selection->markers.empty()) {
2168 //                              /* use mouse + playhead */
2169 //                              start = m;
2170 //                              end = _session->audible_sample();
2171 //                      } else {
2172 //                              /* use playhead + selected marker */
2173 //                              start = _session->audible_sample();
2174 //                              end = selection->markers.front()->position();
2175 //                      }
2176 //                      break;
2177
2178 //              case EditAtMouse:
2179 //                      /* use mouse + selected marker */
2180 //                      if (selection->markers.empty()) {
2181 //                              start = m;
2182 //                              end = _session->audible_sample();
2183 //                      } else {
2184 //                              start = selection->markers.front()->position();
2185 //                              end = m;
2186 //                      }
2187 //                      break;
2188
2189 //              case EditAtSelectedMarker:
2190 //                      /* use mouse + selected marker */
2191 //                      if (selection->markers.empty()) {
2192
2193 //                              MessageDialog win (_("No edit range defined"),
2194 //                                                 false,
2195 //                                                 MESSAGE_INFO,
2196 //                                                 BUTTONS_OK);
2197
2198 //                              win.set_secondary_text (
2199 //                                      _("the edit point is Selected Marker\nbut there is no selected marker."));
2200
2201
2202 //                              win.set_default_response (RESPONSE_CLOSE);
2203 //                              win.set_position (Gtk::WIN_POS_MOUSE);
2204 //                              win.show_all();
2205
2206 //                              win.run ();
2207
2208 //                              return false; // NO RANGE
2209 //                      }
2210 //                      start = selection->markers.front()->position();
2211 //                      end = m;
2212 //                      break;
2213 //              }
2214 //      }
2215
2216 //      if (start == end) {
2217 //              return false;
2218 //      }
2219
2220 //      if (start > end) {
2221 //              swap (start, end);
2222 //      }
2223
2224         /* turn range into one delimited by start...end,
2225            not start...end-1
2226         */
2227
2228 //      end++;
2229
2230 //      return true;
2231 }
2232
2233 void
2234 Editor::deselect_all ()
2235 {
2236         begin_reversible_selection_op (X_("Deselect All"));
2237         selection->clear ();
2238         commit_reversible_selection_op ();
2239 }
2240
2241 long
2242 Editor::select_range (samplepos_t s, samplepos_t e)
2243 {
2244         begin_reversible_selection_op (X_("Select Range"));
2245         selection->add (clicked_axisview);
2246         selection->time.clear ();
2247         long ret = selection->set (s, e);
2248         commit_reversible_selection_op ();
2249         return ret;
2250 }