Don't move track into view due to indirect selection
[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 (_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) {
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::time_selection_changed ()
1160 {
1161         /* XXX this is superficially inefficient. Hide the selection in all
1162          * tracks, then show it in all selected tracks.
1163          *
1164          * However, if you investigate what this actually does, it isn't
1165          * anywhere nearly as bad as it may appear. Remember: nothing is
1166          * redrawn or even recomputed during these two loops - that only
1167          * happens when we next render ...
1168          */
1169
1170         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1171                 (*i)->hide_selection ();
1172         }
1173
1174         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
1175                 (*i)->show_selection (selection->time);
1176         }
1177
1178         if (selection->time.empty()) {
1179                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, false);
1180         } else {
1181                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, true);
1182         }
1183
1184         /* propagate into backend, but only when there is no drag or we are at
1185          * the end of a drag, otherwise this is too expensive (could case a
1186          * locate per mouse motion event.
1187          */
1188
1189         if (_session && !_drags->active()) {
1190                 if (selection->time.length() != 0) {
1191                         _session->set_range_selection (selection->time.start(), selection->time.end_sample());
1192                 } else {
1193                         _session->clear_range_selection ();
1194                 }
1195         }
1196 }
1197
1198 /** Set all region actions to have a given sensitivity */
1199 void
1200 Editor::sensitize_all_region_actions (bool s)
1201 {
1202         Glib::ListHandle<Glib::RefPtr<Action> > all = _region_actions->get_actions ();
1203
1204         for (Glib::ListHandle<Glib::RefPtr<Action> >::iterator i = all.begin(); i != all.end(); ++i) {
1205                 (*i)->set_sensitive (s);
1206         }
1207
1208         _all_region_actions_sensitized = s;
1209 }
1210
1211 /** Sensitize region-based actions.
1212  *
1213  *  This method is called from whenever we leave the canvas, either by moving
1214  *  the pointer out of it, or by popping up a context menu. See
1215  *  Editor::{entered,left}_track_canvas() for details there.
1216  */
1217 void
1218 Editor::sensitize_the_right_region_actions (bool because_canvas_crossing)
1219 {
1220         bool have_selection = false;
1221         bool have_entered = false;
1222         bool have_edit_point = false;
1223         RegionSelection rs;
1224
1225         // std::cerr << "STRRA: crossing ? " << because_canvas_crossing << " within ? " << within_track_canvas
1226         // << std::endl;
1227
1228         if (!selection->regions.empty()) {
1229                 have_selection = true;
1230                 rs = selection->regions;
1231         }
1232
1233         if (entered_regionview) {
1234                 have_entered = true;
1235                 rs.add (entered_regionview);
1236         }
1237
1238         if (rs.empty() && !selection->tracks.empty()) {
1239
1240                 /* no selected regions, but some selected tracks.
1241                  */
1242
1243                 if (_edit_point == EditAtMouse) {
1244                         if (!within_track_canvas) {
1245                                 /* pointer is not in canvas, so edit point is meaningless */
1246                                 have_edit_point = false;
1247                         } else {
1248                                 /* inside canvas. we don't know where the edit
1249                                    point will be when an action is invoked, but
1250                                    assume it could intersect with a region.
1251                                 */
1252                                 have_edit_point = true;
1253                         }
1254                 } else {
1255                         RegionSelection at_edit_point;
1256                         samplepos_t const where = get_preferred_edit_position (Editing::EDIT_IGNORE_NONE, false, !within_track_canvas);
1257                         get_regions_at (at_edit_point, where, selection->tracks);
1258                         if (!at_edit_point.empty()) {
1259                                 have_edit_point = true;
1260                         }
1261                         if (rs.empty()) {
1262                                 rs.insert (rs.end(), at_edit_point.begin(), at_edit_point.end());
1263                         }
1264                 }
1265         }
1266
1267         //std::cerr << "\tfinal have selection: " << have_selection
1268         // << " have entered " << have_entered
1269         // << " have edit point " << have_edit_point
1270         // << " EP = " << enum_2_string (_edit_point)
1271         // << std::endl;
1272
1273         typedef std::map<std::string,RegionAction> RegionActionMap;
1274
1275         _ignore_region_action = true;
1276
1277         for (RegionActionMap::iterator x = region_action_map.begin(); x != region_action_map.end(); ++x) {
1278                 RegionActionTarget tgt = x->second.target;
1279                 bool sensitive = false;
1280
1281                 if ((tgt & SelectedRegions) && have_selection) {
1282                         sensitive = true;
1283                 } else if ((tgt & EnteredRegions) && have_entered) {
1284                         sensitive = true;
1285                 } else if ((tgt & EditPointRegions) && have_edit_point) {
1286                         sensitive = true;
1287                 }
1288
1289                 x->second.action->set_sensitive (sensitive);
1290         }
1291
1292         /* Look through the regions that are selected and make notes about what we have got */
1293
1294         bool have_audio = false;
1295         bool have_multichannel_audio = false;
1296         bool have_midi = false;
1297         bool have_locked = false;
1298         bool have_unlocked = false;
1299         bool have_video_locked = false;
1300         bool have_video_unlocked = false;
1301         bool have_position_lock_style_audio = false;
1302         bool have_position_lock_style_music = false;
1303         bool have_muted = false;
1304         bool have_unmuted = false;
1305         bool have_opaque = false;
1306         bool have_non_opaque = false;
1307         bool have_not_at_natural_position = false;
1308         bool have_envelope_active = false;
1309         bool have_envelope_inactive = false;
1310         bool have_non_unity_scale_amplitude = false;
1311         bool have_compound_regions = false;
1312         bool have_inactive_fade_in = false;
1313         bool have_inactive_fade_out = false;
1314         bool have_active_fade_in = false;
1315         bool have_active_fade_out = false;
1316         bool have_transients = false;
1317
1318         for (list<RegionView*>::const_iterator i = rs.begin(); i != rs.end(); ++i) {
1319
1320                 boost::shared_ptr<Region> r = (*i)->region ();
1321                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (r);
1322
1323                 if (ar) {
1324                         have_audio = true;
1325                         if (ar->n_channels() > 1) {
1326                                 have_multichannel_audio = true;
1327                         }
1328                 }
1329
1330                 if (boost::dynamic_pointer_cast<MidiRegion> (r)) {
1331                         have_midi = true;
1332                 }
1333
1334                 if (r->is_compound()) {
1335                         have_compound_regions = true;
1336                 }
1337
1338                 if (r->locked()) {
1339                         have_locked = true;
1340                 } else {
1341                         have_unlocked = true;
1342                 }
1343
1344                 if (r->video_locked()) {
1345                         have_video_locked = true;
1346                 } else {
1347                         have_video_unlocked = true;
1348                 }
1349
1350                 if (r->position_lock_style() == MusicTime) {
1351                         have_position_lock_style_music = true;
1352                 } else {
1353                         have_position_lock_style_audio = true;
1354                 }
1355
1356                 if (r->muted()) {
1357                         have_muted = true;
1358                 } else {
1359                         have_unmuted = true;
1360                 }
1361
1362                 if (r->opaque()) {
1363                         have_opaque = true;
1364                 } else {
1365                         have_non_opaque = true;
1366                 }
1367
1368                 if (!r->at_natural_position()) {
1369                         have_not_at_natural_position = true;
1370                 }
1371
1372                 if (r->has_transients ()){
1373                         have_transients = true;
1374                 }
1375
1376                 if (ar) {
1377                         if (ar->envelope_active()) {
1378                                 have_envelope_active = true;
1379                         } else {
1380                                 have_envelope_inactive = true;
1381                         }
1382
1383                         if (ar->scale_amplitude() != 1) {
1384                                 have_non_unity_scale_amplitude = true;
1385                         }
1386
1387                         if (ar->fade_in_active ()) {
1388                                 have_active_fade_in = true;
1389                         } else {
1390                                 have_inactive_fade_in = true;
1391                         }
1392
1393                         if (ar->fade_out_active ()) {
1394                                 have_active_fade_out = true;
1395                         } else {
1396                                 have_inactive_fade_out = true;
1397                         }
1398                 }
1399         }
1400
1401         _region_actions->get_action("split-region-at-transients")->set_sensitive (have_transients);
1402
1403         if (rs.size() > 1) {
1404                 _region_actions->get_action("show-region-list-editor")->set_sensitive (false);
1405                 _region_actions->get_action("show-region-properties")->set_sensitive (false);
1406                 _region_actions->get_action("rename-region")->set_sensitive (false);
1407                 if (have_audio) {
1408                         /* XXX need to check whether there is than 1 per
1409                            playlist, because otherwise this makes no sense.
1410                         */
1411                         _region_actions->get_action("combine-regions")->set_sensitive (true);
1412                 } else {
1413                         _region_actions->get_action("combine-regions")->set_sensitive (false);
1414                 }
1415         } else if (rs.size() == 1) {
1416                 _region_actions->get_action("add-range-markers-from-region")->set_sensitive (false);
1417                 _region_actions->get_action("close-region-gaps")->set_sensitive (false);
1418                 _region_actions->get_action("combine-regions")->set_sensitive (false);
1419         }
1420
1421         if (!have_multichannel_audio) {
1422                 _region_actions->get_action("split-multichannel-region")->set_sensitive (false);
1423         }
1424
1425         if (!have_midi) {
1426                 editor_menu_actions->get_action("RegionMenuMIDI")->set_sensitive (false);
1427                 _region_actions->get_action("show-region-list-editor")->set_sensitive (false);
1428                 _region_actions->get_action("quantize-region")->set_sensitive (false);
1429                 _region_actions->get_action("legatize-region")->set_sensitive (false);
1430                 _region_actions->get_action("remove-overlap")->set_sensitive (false);
1431                 _region_actions->get_action("transform-region")->set_sensitive (false);
1432                 _region_actions->get_action("fork-region")->set_sensitive (false);
1433                 _region_actions->get_action("insert-patch-change-context")->set_sensitive (false);
1434                 _region_actions->get_action("insert-patch-change")->set_sensitive (false);
1435                 _region_actions->get_action("transpose-region")->set_sensitive (false);
1436         } else {
1437                 editor_menu_actions->get_action("RegionMenuMIDI")->set_sensitive (true);
1438                 /* others were already marked sensitive */
1439         }
1440
1441         /* ok, moving along... */
1442
1443         if (have_compound_regions) {
1444                 _region_actions->get_action("uncombine-regions")->set_sensitive (true);
1445         } else {
1446                 _region_actions->get_action("uncombine-regions")->set_sensitive (false);
1447         }
1448
1449         if (have_audio) {
1450
1451                 if (have_envelope_active && !have_envelope_inactive) {
1452                         Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-gain-envelope-active"))->set_active ();
1453                 } else if (have_envelope_active && have_envelope_inactive) {
1454                         // Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-gain-envelope-active"))->set_inconsistent ();
1455                 }
1456
1457         } else {
1458
1459                 _region_actions->get_action("loudness-analyze-region")->set_sensitive (false);
1460                 _region_actions->get_action("spectral-analyze-region")->set_sensitive (false);
1461                 _region_actions->get_action("reset-region-gain-envelopes")->set_sensitive (false);
1462                 _region_actions->get_action("toggle-region-gain-envelope-active")->set_sensitive (false);
1463                 _region_actions->get_action("pitch-shift-region")->set_sensitive (false);
1464                 _region_actions->get_action("strip-region-silence")->set_sensitive (false);
1465                 _region_actions->get_action("show-rhythm-ferret")->set_sensitive (false);
1466
1467         }
1468
1469         if (!have_non_unity_scale_amplitude || !have_audio) {
1470                 _region_actions->get_action("reset-region-scale-amplitude")->set_sensitive (false);
1471         }
1472
1473         Glib::RefPtr<ToggleAction> a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-lock"));
1474         a->set_active (have_locked && !have_unlocked);
1475         if (have_locked && have_unlocked) {
1476                 // a->set_inconsistent ();
1477         }
1478
1479         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-video-lock"));
1480         a->set_active (have_video_locked && !have_video_unlocked);
1481         if (have_video_locked && have_video_unlocked) {
1482                 // a->set_inconsistent ();
1483         }
1484
1485         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-lock-style"));
1486         a->set_active (have_position_lock_style_music && !have_position_lock_style_audio);
1487
1488         vector<Widget*> proxies = a->get_proxies();
1489         for (vector<Widget*>::iterator p = proxies.begin(); p != proxies.end(); ++p) {
1490                 Gtk::CheckMenuItem* cmi = dynamic_cast<Gtk::CheckMenuItem*> (*p);
1491                 if (cmi) {
1492                         cmi->set_inconsistent (have_position_lock_style_music && have_position_lock_style_audio);
1493                 }
1494         }
1495
1496         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-mute"));
1497         a->set_active (have_muted && !have_unmuted);
1498         if (have_muted && have_unmuted) {
1499                 // a->set_inconsistent ();
1500         }
1501
1502         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-opaque-region"));
1503         a->set_active (have_opaque && !have_non_opaque);
1504         if (have_opaque && have_non_opaque) {
1505                 // a->set_inconsistent ();
1506         }
1507
1508         if (!have_not_at_natural_position) {
1509                 _region_actions->get_action("naturalize-region")->set_sensitive (false);
1510         }
1511
1512         /* XXX: should also check that there is a track of the appropriate type for the selected region */
1513         if (_edit_point == EditAtMouse || _regions->get_single_selection() == 0 || selection->tracks.empty()) {
1514                 _region_actions->get_action("insert-region-from-region-list")->set_sensitive (false);
1515         } else {
1516                 _region_actions->get_action("insert-region-from-region-list")->set_sensitive (true);
1517         }
1518
1519         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fade-in"));
1520         a->set_active (have_active_fade_in && !have_inactive_fade_in);
1521         if (have_active_fade_in && have_inactive_fade_in) {
1522                 // a->set_inconsistent ();
1523         }
1524
1525         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fade-out"));
1526         a->set_active (have_active_fade_out && !have_inactive_fade_out);
1527
1528         if (have_active_fade_out && have_inactive_fade_out) {
1529                 // a->set_inconsistent ();
1530         }
1531
1532         bool const have_active_fade = have_active_fade_in || have_active_fade_out;
1533         bool const have_inactive_fade = have_inactive_fade_in || have_inactive_fade_out;
1534
1535         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fades"));
1536         a->set_active (have_active_fade && !have_inactive_fade);
1537
1538         if (have_active_fade && have_inactive_fade) {
1539                 // a->set_inconsistent ();
1540         }
1541
1542         _ignore_region_action = false;
1543
1544         _all_region_actions_sensitized = false;
1545 }
1546
1547 void
1548 Editor::region_selection_changed ()
1549 {
1550         _regions->block_change_connection (true);
1551         editor_regions_selection_changed_connection.block(true);
1552
1553         if (_region_selection_change_updates_region_list) {
1554                 _regions->unselect_all ();
1555         }
1556
1557         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1558                 (*i)->set_selected_regionviews (selection->regions);
1559         }
1560
1561         if (_region_selection_change_updates_region_list) {
1562                 _regions->set_selected (selection->regions);
1563         }
1564
1565         _regions->block_change_connection (false);
1566         editor_regions_selection_changed_connection.block(false);
1567
1568         sensitize_the_right_region_actions (false);
1569
1570         /* propagate into backend */
1571
1572         if (_session) {
1573                 if (!selection->regions.empty()) {
1574                         _session->set_object_selection (selection->regions.start(), selection->regions.end_sample());
1575                 } else {
1576                         _session->clear_object_selection ();
1577                 }
1578         }
1579
1580 }
1581
1582 void
1583 Editor::point_selection_changed ()
1584 {
1585         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1586                 (*i)->set_selected_points (selection->points);
1587         }
1588 }
1589
1590 void
1591 Editor::select_all_in_track (Selection::Operation op)
1592 {
1593         list<Selectable *> touched;
1594
1595         if (!clicked_routeview) {
1596                 return;
1597         }
1598
1599         begin_reversible_selection_op (X_("Select All in Track"));
1600
1601         clicked_routeview->get_selectables (0, max_samplepos, 0, DBL_MAX, touched);
1602
1603         switch (op) {
1604         case Selection::Toggle:
1605                 selection->add (touched);
1606                 break;
1607         case Selection::Set:
1608                 selection->set (touched);
1609                 break;
1610         case Selection::Extend:
1611                 /* meaningless, because we're selecting everything */
1612                 break;
1613         case Selection::Add:
1614                 selection->add (touched);
1615                 break;
1616         }
1617
1618         commit_reversible_selection_op ();
1619 }
1620
1621 bool
1622 Editor::select_all_internal_edit (Selection::Operation)
1623 {
1624         bool selected = false;
1625
1626         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1627                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1628                 if (mrv) {
1629                         mrv->select_all_notes ();
1630                         selected = true;
1631                 }
1632         }
1633
1634         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(entered_regionview);
1635         if (mrv) {
1636                 mrv->select_all_notes ();
1637                 selected = true;
1638         }
1639
1640         return selected;
1641 }
1642
1643 void
1644 Editor::select_all_objects (Selection::Operation op)
1645 {
1646         list<Selectable *> touched;
1647
1648         if (internal_editing() && select_all_internal_edit(op)) {
1649                 return;  // Selected notes
1650         }
1651
1652         TrackViewList ts;
1653
1654         if (selection->tracks.empty()) {
1655                 ts = track_views;
1656         } else {
1657                 ts = selection->tracks;
1658         }
1659
1660         for (TrackViewList::iterator iter = ts.begin(); iter != ts.end(); ++iter) {
1661                 if ((*iter)->hidden()) {
1662                         continue;
1663                 }
1664                 (*iter)->get_selectables (0, max_samplepos, 0, DBL_MAX, touched);
1665         }
1666
1667         begin_reversible_selection_op (X_("select all"));
1668         switch (op) {
1669         case Selection::Add:
1670                 selection->add (touched);
1671                 break;
1672         case Selection::Toggle:
1673                 selection->toggle (touched);
1674                 break;
1675         case Selection::Set:
1676                 selection->set (touched);
1677                 break;
1678         case Selection::Extend:
1679                 /* meaningless, because we're selecting everything */
1680                 break;
1681         }
1682         commit_reversible_selection_op ();
1683 }
1684
1685 void
1686 Editor::invert_selection_in_track ()
1687 {
1688         list<Selectable *> touched;
1689
1690         if (!clicked_routeview) {
1691                 return;
1692         }
1693
1694         begin_reversible_selection_op (X_("Invert Selection in Track"));
1695         clicked_routeview->get_inverted_selectables (*selection, touched);
1696         selection->set (touched);
1697         commit_reversible_selection_op ();
1698 }
1699
1700 void
1701 Editor::invert_selection ()
1702 {
1703         list<Selectable *> touched;
1704
1705         if (internal_editing()) {
1706                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1707                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1708                         if (mrv) {
1709                                 mrv->invert_selection ();
1710                         }
1711                 }
1712                 return;
1713         }
1714
1715         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
1716                 if ((*iter)->hidden()) {
1717                         continue;
1718                 }
1719                 (*iter)->get_inverted_selectables (*selection, touched);
1720         }
1721
1722         begin_reversible_selection_op (X_("Invert Selection"));
1723         selection->set (touched);
1724         commit_reversible_selection_op ();
1725 }
1726
1727 /** @param start Start time in session samples.
1728  *  @param end End time in session samples.
1729  *  @param top Top (lower) y limit in trackview coordinates (ie 0 at the top of the track view)
1730  *  @param bottom Bottom (higher) y limit in trackview coordinates (ie 0 at the top of the track view)
1731  *  @param preserve_if_selected true to leave the current selection alone if we're adding to the selection and all of the selectables
1732  *  within the region are already selected.
1733  */
1734 void
1735 Editor::select_all_within (samplepos_t start, samplepos_t end, double top, double bot, const TrackViewList& tracklist, Selection::Operation op, bool preserve_if_selected)
1736 {
1737         list<Selectable*> found;
1738
1739         for (TrackViewList::const_iterator iter = tracklist.begin(); iter != tracklist.end(); ++iter) {
1740
1741                 if ((*iter)->hidden()) {
1742                         continue;
1743                 }
1744
1745                 (*iter)->get_selectables (start, end, top, bot, found);
1746         }
1747
1748         if (found.empty()) {
1749                 selection->clear_objects();
1750                 selection->clear_time ();
1751                 return;
1752         }
1753
1754         if (preserve_if_selected && op != Selection::Toggle) {
1755                 list<Selectable*>::iterator i = found.begin();
1756                 while (i != found.end() && (*i)->selected()) {
1757                         ++i;
1758                 }
1759
1760                 if (i == found.end()) {
1761                         return;
1762                 }
1763         }
1764
1765         begin_reversible_selection_op (X_("select all within"));
1766         switch (op) {
1767         case Selection::Add:
1768                 selection->add (found);
1769                 break;
1770         case Selection::Toggle:
1771                 selection->toggle (found);
1772                 break;
1773         case Selection::Set:
1774                 selection->set (found);
1775                 break;
1776         case Selection::Extend:
1777                 /* not defined yet */
1778                 break;
1779         }
1780
1781         commit_reversible_selection_op ();
1782 }
1783
1784 void
1785 Editor::set_selection_from_region ()
1786 {
1787         if (selection->regions.empty()) {
1788                 return;
1789         }
1790
1791         /* find all the tracks that have selected regions */
1792
1793         set<TimeAxisView*> tracks;
1794
1795         for (RegionSelection::const_iterator r = selection->regions.begin(); r != selection->regions.end(); ++r) {
1796                 tracks.insert (&(*r)->get_time_axis_view());
1797         }
1798
1799         TrackViewList tvl;
1800         tvl.insert (tvl.end(), tracks.begin(), tracks.end());
1801
1802         /* select range (this will clear the region selection) */
1803
1804         selection->set (selection->regions.start(), selection->regions.end_sample());
1805
1806         /* and select the tracks */
1807
1808         selection->set (tvl);
1809
1810         if (!get_smart_mode () || !mouse_mode == Editing::MouseObject) {
1811                 set_mouse_mode (Editing::MouseRange, false);
1812         }
1813 }
1814
1815 void
1816 Editor::set_selection_from_punch()
1817 {
1818         Location* location;
1819
1820         if ((location = _session->locations()->auto_punch_location()) == 0)  {
1821                 return;
1822         }
1823
1824         set_selection_from_range (*location);
1825 }
1826
1827 void
1828 Editor::set_selection_from_loop()
1829 {
1830         Location* location;
1831
1832         if ((location = _session->locations()->auto_loop_location()) == 0)  {
1833                 return;
1834         }
1835         set_selection_from_range (*location);
1836 }
1837
1838 void
1839 Editor::set_selection_from_range (Location& loc)
1840 {
1841         begin_reversible_selection_op (X_("set selection from range"));
1842         selection->set (loc.start(), loc.end());
1843         commit_reversible_selection_op ();
1844
1845         if (!get_smart_mode () || mouse_mode != Editing::MouseObject) {
1846                 set_mouse_mode (MouseRange, false);
1847         }
1848 }
1849
1850 void
1851 Editor::select_all_selectables_using_time_selection ()
1852 {
1853         list<Selectable *> touched;
1854
1855         if (selection->time.empty()) {
1856                 return;
1857         }
1858
1859         samplepos_t start = selection->time[clicked_selection].start;
1860         samplepos_t end = selection->time[clicked_selection].end;
1861
1862         if (end - start < 1)  {
1863                 return;
1864         }
1865
1866         TrackViewList* ts;
1867
1868         if (selection->tracks.empty()) {
1869                 ts = &track_views;
1870         } else {
1871                 ts = &selection->tracks;
1872         }
1873
1874         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1875                 if ((*iter)->hidden()) {
1876                         continue;
1877                 }
1878                 (*iter)->get_selectables (start, end - 1, 0, DBL_MAX, touched);
1879         }
1880
1881         begin_reversible_selection_op (X_("select all from range"));
1882         selection->set (touched);
1883         commit_reversible_selection_op ();
1884 }
1885
1886
1887 void
1888 Editor::select_all_selectables_using_punch()
1889 {
1890         Location* location = _session->locations()->auto_punch_location();
1891         list<Selectable *> touched;
1892
1893         if (location == 0 || (location->end() - location->start() <= 1))  {
1894                 return;
1895         }
1896
1897
1898         TrackViewList* ts;
1899
1900         if (selection->tracks.empty()) {
1901                 ts = &track_views;
1902         } else {
1903                 ts = &selection->tracks;
1904         }
1905
1906         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1907                 if ((*iter)->hidden()) {
1908                         continue;
1909                 }
1910                 (*iter)->get_selectables (location->start(), location->end() - 1, 0, DBL_MAX, touched);
1911         }
1912         begin_reversible_selection_op (X_("select all from punch"));
1913         selection->set (touched);
1914         commit_reversible_selection_op ();
1915
1916 }
1917
1918 void
1919 Editor::select_all_selectables_using_loop()
1920 {
1921         Location* location = _session->locations()->auto_loop_location();
1922         list<Selectable *> touched;
1923
1924         if (location == 0 || (location->end() - location->start() <= 1))  {
1925                 return;
1926         }
1927
1928
1929         TrackViewList* ts;
1930
1931         if (selection->tracks.empty()) {
1932                 ts = &track_views;
1933         } else {
1934                 ts = &selection->tracks;
1935         }
1936
1937         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1938                 if ((*iter)->hidden()) {
1939                         continue;
1940                 }
1941                 (*iter)->get_selectables (location->start(), location->end() - 1, 0, DBL_MAX, touched);
1942         }
1943         begin_reversible_selection_op (X_("select all from loop"));
1944         selection->set (touched);
1945         commit_reversible_selection_op ();
1946
1947 }
1948
1949 void
1950 Editor::select_all_selectables_using_cursor (EditorCursor *cursor, bool after)
1951 {
1952         samplepos_t start;
1953         samplepos_t end;
1954         list<Selectable *> touched;
1955
1956         if (after) {
1957                 start = cursor->current_sample();
1958                 end = _session->current_end_sample();
1959         } else {
1960                 if (cursor->current_sample() > 0) {
1961                         start = 0;
1962                         end = cursor->current_sample() - 1;
1963                 } else {
1964                         return;
1965                 }
1966         }
1967
1968         if (internal_editing()) {
1969                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1970                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1971                         if (mrv) {
1972                                 mrv->select_range (start, end);
1973                         }
1974                 }
1975                 return;
1976         }
1977
1978         if (after) {
1979                 begin_reversible_selection_op (X_("select all after cursor"));
1980         } else {
1981                 begin_reversible_selection_op (X_("select all before cursor"));
1982         }
1983
1984         TrackViewList* ts;
1985
1986         if (selection->tracks.empty()) {
1987                 ts = &track_views;
1988         } else {
1989                 ts = &selection->tracks;
1990         }
1991
1992         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1993                 if ((*iter)->hidden()) {
1994                         continue;
1995                 }
1996                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched);
1997         }
1998         selection->set (touched);
1999         commit_reversible_selection_op ();
2000 }
2001
2002 void
2003 Editor::select_all_selectables_using_edit (bool after, bool from_context_menu)
2004 {
2005         samplepos_t start;
2006         samplepos_t end;
2007         list<Selectable *> touched;
2008
2009         if (after) {
2010                 start = get_preferred_edit_position(EDIT_IGNORE_NONE, from_context_menu);
2011                 end = _session->current_end_sample();
2012         } else {
2013                 if ((end = get_preferred_edit_position(EDIT_IGNORE_NONE, from_context_menu)) > 1) {
2014                         start = 0;
2015                         end -= 1;
2016                 } else {
2017                         return;
2018                 }
2019         }
2020
2021         if (internal_editing()) {
2022                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
2023                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
2024                         mrv->select_range (start, end);
2025                 }
2026                 return;
2027         }
2028
2029         if (after) {
2030                 begin_reversible_selection_op (X_("select all after edit"));
2031         } else {
2032                 begin_reversible_selection_op (X_("select all before edit"));
2033         }
2034
2035         TrackViewList* ts;
2036
2037         if (selection->tracks.empty()) {
2038                 ts = &track_views;
2039         } else {
2040                 ts = &selection->tracks;
2041         }
2042
2043         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
2044                 if ((*iter)->hidden()) {
2045                         continue;
2046                 }
2047                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched);
2048         }
2049         selection->set (touched);
2050         commit_reversible_selection_op ();
2051 }
2052
2053 void
2054 Editor::select_all_selectables_between (bool within)
2055 {
2056         samplepos_t start;
2057         samplepos_t end;
2058         list<Selectable *> touched;
2059
2060         if (!get_edit_op_range (start, end)) {
2061                 return;
2062         }
2063
2064         if (internal_editing()) {
2065                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
2066                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
2067                         mrv->select_range (start, end);
2068                 }
2069                 return;
2070         }
2071
2072         TrackViewList* ts;
2073
2074         if (selection->tracks.empty()) {
2075                 ts = &track_views;
2076         } else {
2077                 ts = &selection->tracks;
2078         }
2079
2080         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
2081                 if ((*iter)->hidden()) {
2082                         continue;
2083                 }
2084                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched, within);
2085         }
2086
2087         begin_reversible_selection_op (X_("Select all Selectables Between"));
2088         selection->set (touched);
2089         commit_reversible_selection_op ();
2090 }
2091
2092 void
2093 Editor::select_range_between ()
2094 {
2095         samplepos_t start;
2096         samplepos_t end;
2097
2098         if ( !selection->time.empty() ) {
2099                 selection->clear_time ();
2100         }
2101
2102         if (!get_edit_op_range (start, end)) {
2103                 return;
2104         }
2105
2106         if (!get_smart_mode () || mouse_mode != Editing::MouseObject) {
2107                 set_mouse_mode (MouseRange, false);
2108         }
2109
2110         begin_reversible_selection_op (X_("Select Range Between"));
2111         selection->set (start, end);
2112         commit_reversible_selection_op ();
2113 }
2114
2115 bool
2116 Editor::get_edit_op_range (samplepos_t& start, samplepos_t& end) const
2117 {
2118 //      samplepos_t m;
2119 //      bool ignored;
2120
2121         /* if an explicit range exists, use it */
2122
2123         if ( (mouse_mode == MouseRange || get_smart_mode() ) &&  !selection->time.empty()) {
2124                 /* we know that these are ordered */
2125                 start = selection->time.start();
2126                 end = selection->time.end_sample();
2127                 return true;
2128         } else {
2129                 start = 0;
2130                 end = 0;
2131                 return false;
2132         }
2133
2134 //      if (!mouse_sample (m, ignored)) {
2135 //              /* mouse is not in a canvas, try playhead+selected marker.
2136 //                 this is probably most true when using menus.
2137 //              */
2138 //
2139 //              if (selection->markers.empty()) {
2140 //                      return false;
2141 //              }
2142
2143 //              start = selection->markers.front()->position();
2144 //              end = _session->audible_sample();
2145
2146 //      } else {
2147
2148 //              switch (_edit_point) {
2149 //              case EditAtPlayhead:
2150 //                      if (selection->markers.empty()) {
2151 //                              /* use mouse + playhead */
2152 //                              start = m;
2153 //                              end = _session->audible_sample();
2154 //                      } else {
2155 //                              /* use playhead + selected marker */
2156 //                              start = _session->audible_sample();
2157 //                              end = selection->markers.front()->position();
2158 //                      }
2159 //                      break;
2160
2161 //              case EditAtMouse:
2162 //                      /* use mouse + selected marker */
2163 //                      if (selection->markers.empty()) {
2164 //                              start = m;
2165 //                              end = _session->audible_sample();
2166 //                      } else {
2167 //                              start = selection->markers.front()->position();
2168 //                              end = m;
2169 //                      }
2170 //                      break;
2171
2172 //              case EditAtSelectedMarker:
2173 //                      /* use mouse + selected marker */
2174 //                      if (selection->markers.empty()) {
2175
2176 //                              MessageDialog win (_("No edit range defined"),
2177 //                                                 false,
2178 //                                                 MESSAGE_INFO,
2179 //                                                 BUTTONS_OK);
2180
2181 //                              win.set_secondary_text (
2182 //                                      _("the edit point is Selected Marker\nbut there is no selected marker."));
2183
2184
2185 //                              win.set_default_response (RESPONSE_CLOSE);
2186 //                              win.set_position (Gtk::WIN_POS_MOUSE);
2187 //                              win.show_all();
2188
2189 //                              win.run ();
2190
2191 //                              return false; // NO RANGE
2192 //                      }
2193 //                      start = selection->markers.front()->position();
2194 //                      end = m;
2195 //                      break;
2196 //              }
2197 //      }
2198
2199 //      if (start == end) {
2200 //              return false;
2201 //      }
2202
2203 //      if (start > end) {
2204 //              swap (start, end);
2205 //      }
2206
2207         /* turn range into one delimited by start...end,
2208            not start...end-1
2209         */
2210
2211 //      end++;
2212
2213 //      return true;
2214 }
2215
2216 void
2217 Editor::deselect_all ()
2218 {
2219         begin_reversible_selection_op (X_("Deselect All"));
2220         selection->clear ();
2221         commit_reversible_selection_op ();
2222 }
2223
2224 long
2225 Editor::select_range (samplepos_t s, samplepos_t e)
2226 {
2227         begin_reversible_selection_op (X_("Select Range"));
2228         selection->add (clicked_axisview);
2229         selection->time.clear ();
2230         long ret = selection->set (s, e);
2231         commit_reversible_selection_op ();
2232         return ret;
2233 }