Remove debug message and trailing whitespace
[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         /* reset paste count, so the plaste location doesn't get incremented
1162          * if we want to paste in the same place, but different track. */ 
1163         paste_count = 0;
1164
1165         if ( _session->solo_selection_active() )
1166                 play_solo_selection(false);
1167 }
1168
1169 void
1170 Editor::time_selection_changed ()
1171 {
1172         /* XXX this is superficially inefficient. Hide the selection in all
1173          * tracks, then show it in all selected tracks.
1174          *
1175          * However, if you investigate what this actually does, it isn't
1176          * anywhere nearly as bad as it may appear. Remember: nothing is
1177          * redrawn or even recomputed during these two loops - that only
1178          * happens when we next render ...
1179          */
1180
1181         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1182                 (*i)->hide_selection ();
1183         }
1184
1185         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
1186                 (*i)->show_selection (selection->time);
1187         }
1188
1189         if (selection->time.empty()) {
1190                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, false);
1191         } else {
1192                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, true);
1193         }
1194
1195         /* propagate into backend, but only when there is no drag or we are at
1196          * the end of a drag, otherwise this is too expensive (could case a
1197          * locate per mouse motion event.
1198          */
1199
1200         if (_session && !_drags->active()) {
1201                 if (selection->time.length() != 0) {
1202                         _session->set_range_selection (selection->time.start(), selection->time.end_sample());
1203                 } else {
1204                         _session->clear_range_selection ();
1205                 }
1206         }
1207 }
1208
1209 /** Set all region actions to have a given sensitivity */
1210 void
1211 Editor::sensitize_all_region_actions (bool s)
1212 {
1213         Glib::ListHandle<Glib::RefPtr<Action> > all = _region_actions->get_actions ();
1214
1215         for (Glib::ListHandle<Glib::RefPtr<Action> >::iterator i = all.begin(); i != all.end(); ++i) {
1216                 (*i)->set_sensitive (s);
1217         }
1218
1219         _all_region_actions_sensitized = s;
1220 }
1221
1222 /** Sensitize region-based actions.
1223  *
1224  *  This method is called from whenever we leave the canvas, either by moving
1225  *  the pointer out of it, or by popping up a context menu. See
1226  *  Editor::{entered,left}_track_canvas() for details there.
1227  */
1228 void
1229 Editor::sensitize_the_right_region_actions (bool because_canvas_crossing)
1230 {
1231         bool have_selection = false;
1232         bool have_entered = false;
1233         bool have_edit_point = false;
1234         RegionSelection rs;
1235
1236         // std::cerr << "STRRA: crossing ? " << because_canvas_crossing << " within ? " << within_track_canvas
1237         // << std::endl;
1238
1239         if (!selection->regions.empty()) {
1240                 have_selection = true;
1241                 rs = selection->regions;
1242         }
1243
1244         if (entered_regionview) {
1245                 have_entered = true;
1246                 rs.add (entered_regionview);
1247         }
1248
1249         if (rs.empty() && !selection->tracks.empty()) {
1250
1251                 /* no selected regions, but some selected tracks.
1252                  */
1253
1254                 if (_edit_point == EditAtMouse) {
1255                         if (!within_track_canvas) {
1256                                 /* pointer is not in canvas, so edit point is meaningless */
1257                                 have_edit_point = false;
1258                         } else {
1259                                 /* inside canvas. we don't know where the edit
1260                                    point will be when an action is invoked, but
1261                                    assume it could intersect with a region.
1262                                 */
1263                                 have_edit_point = true;
1264                         }
1265                 } else {
1266                         RegionSelection at_edit_point;
1267                         samplepos_t const where = get_preferred_edit_position (Editing::EDIT_IGNORE_NONE, false, !within_track_canvas);
1268                         get_regions_at (at_edit_point, where, selection->tracks);
1269                         if (!at_edit_point.empty()) {
1270                                 have_edit_point = true;
1271                         }
1272                         if (rs.empty()) {
1273                                 rs.insert (rs.end(), at_edit_point.begin(), at_edit_point.end());
1274                         }
1275                 }
1276         }
1277
1278         //std::cerr << "\tfinal have selection: " << have_selection
1279         // << " have entered " << have_entered
1280         // << " have edit point " << have_edit_point
1281         // << " EP = " << enum_2_string (_edit_point)
1282         // << std::endl;
1283
1284         typedef std::map<std::string,RegionAction> RegionActionMap;
1285
1286         _ignore_region_action = true;
1287
1288         for (RegionActionMap::iterator x = region_action_map.begin(); x != region_action_map.end(); ++x) {
1289                 RegionActionTarget tgt = x->second.target;
1290                 bool sensitive = false;
1291
1292                 if ((tgt & SelectedRegions) && have_selection) {
1293                         sensitive = true;
1294                 } else if ((tgt & EnteredRegions) && have_entered) {
1295                         sensitive = true;
1296                 } else if ((tgt & EditPointRegions) && have_edit_point) {
1297                         sensitive = true;
1298                 }
1299
1300                 x->second.action->set_sensitive (sensitive);
1301         }
1302
1303         /* Look through the regions that are selected and make notes about what we have got */
1304
1305         bool have_audio = false;
1306         bool have_multichannel_audio = false;
1307         bool have_midi = false;
1308         bool have_locked = false;
1309         bool have_unlocked = false;
1310         bool have_video_locked = false;
1311         bool have_video_unlocked = false;
1312         bool have_position_lock_style_audio = false;
1313         bool have_position_lock_style_music = false;
1314         bool have_muted = false;
1315         bool have_unmuted = false;
1316         bool have_opaque = false;
1317         bool have_non_opaque = false;
1318         bool have_not_at_natural_position = false;
1319         bool have_envelope_active = false;
1320         bool have_envelope_inactive = false;
1321         bool have_non_unity_scale_amplitude = false;
1322         bool have_compound_regions = false;
1323         bool have_inactive_fade_in = false;
1324         bool have_inactive_fade_out = false;
1325         bool have_active_fade_in = false;
1326         bool have_active_fade_out = false;
1327         bool have_transients = false;
1328
1329         for (list<RegionView*>::const_iterator i = rs.begin(); i != rs.end(); ++i) {
1330
1331                 boost::shared_ptr<Region> r = (*i)->region ();
1332                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (r);
1333
1334                 if (ar) {
1335                         have_audio = true;
1336                         if (ar->n_channels() > 1) {
1337                                 have_multichannel_audio = true;
1338                         }
1339                 }
1340
1341                 if (boost::dynamic_pointer_cast<MidiRegion> (r)) {
1342                         have_midi = true;
1343                 }
1344
1345                 if (r->is_compound()) {
1346                         have_compound_regions = true;
1347                 }
1348
1349                 if (r->locked()) {
1350                         have_locked = true;
1351                 } else {
1352                         have_unlocked = true;
1353                 }
1354
1355                 if (r->video_locked()) {
1356                         have_video_locked = true;
1357                 } else {
1358                         have_video_unlocked = true;
1359                 }
1360
1361                 if (r->position_lock_style() == MusicTime) {
1362                         have_position_lock_style_music = true;
1363                 } else {
1364                         have_position_lock_style_audio = true;
1365                 }
1366
1367                 if (r->muted()) {
1368                         have_muted = true;
1369                 } else {
1370                         have_unmuted = true;
1371                 }
1372
1373                 if (r->opaque()) {
1374                         have_opaque = true;
1375                 } else {
1376                         have_non_opaque = true;
1377                 }
1378
1379                 if (!r->at_natural_position()) {
1380                         have_not_at_natural_position = true;
1381                 }
1382
1383                 if (r->has_transients ()){
1384                         have_transients = true;
1385                 }
1386
1387                 if (ar) {
1388                         if (ar->envelope_active()) {
1389                                 have_envelope_active = true;
1390                         } else {
1391                                 have_envelope_inactive = true;
1392                         }
1393
1394                         if (ar->scale_amplitude() != 1) {
1395                                 have_non_unity_scale_amplitude = true;
1396                         }
1397
1398                         if (ar->fade_in_active ()) {
1399                                 have_active_fade_in = true;
1400                         } else {
1401                                 have_inactive_fade_in = true;
1402                         }
1403
1404                         if (ar->fade_out_active ()) {
1405                                 have_active_fade_out = true;
1406                         } else {
1407                                 have_inactive_fade_out = true;
1408                         }
1409                 }
1410         }
1411
1412         _region_actions->get_action("split-region-at-transients")->set_sensitive (have_transients);
1413
1414         if (rs.size() > 1) {
1415                 _region_actions->get_action("show-region-list-editor")->set_sensitive (false);
1416                 _region_actions->get_action("show-region-properties")->set_sensitive (false);
1417                 _region_actions->get_action("rename-region")->set_sensitive (false);
1418                 if (have_audio) {
1419                         /* XXX need to check whether there is than 1 per
1420                            playlist, because otherwise this makes no sense.
1421                         */
1422                         _region_actions->get_action("combine-regions")->set_sensitive (true);
1423                 } else {
1424                         _region_actions->get_action("combine-regions")->set_sensitive (false);
1425                 }
1426         } else if (rs.size() == 1) {
1427                 _region_actions->get_action("add-range-markers-from-region")->set_sensitive (false);
1428                 _region_actions->get_action("close-region-gaps")->set_sensitive (false);
1429                 _region_actions->get_action("combine-regions")->set_sensitive (false);
1430         }
1431
1432         if (!have_multichannel_audio) {
1433                 _region_actions->get_action("split-multichannel-region")->set_sensitive (false);
1434         }
1435
1436         if (!have_midi) {
1437                 editor_menu_actions->get_action("RegionMenuMIDI")->set_sensitive (false);
1438                 _region_actions->get_action("show-region-list-editor")->set_sensitive (false);
1439                 _region_actions->get_action("quantize-region")->set_sensitive (false);
1440                 _region_actions->get_action("legatize-region")->set_sensitive (false);
1441                 _region_actions->get_action("remove-overlap")->set_sensitive (false);
1442                 _region_actions->get_action("transform-region")->set_sensitive (false);
1443                 _region_actions->get_action("fork-region")->set_sensitive (false);
1444                 _region_actions->get_action("insert-patch-change-context")->set_sensitive (false);
1445                 _region_actions->get_action("insert-patch-change")->set_sensitive (false);
1446                 _region_actions->get_action("transpose-region")->set_sensitive (false);
1447         } else {
1448                 editor_menu_actions->get_action("RegionMenuMIDI")->set_sensitive (true);
1449                 /* others were already marked sensitive */
1450         }
1451
1452         /* ok, moving along... */
1453
1454         if (have_compound_regions) {
1455                 _region_actions->get_action("uncombine-regions")->set_sensitive (true);
1456         } else {
1457                 _region_actions->get_action("uncombine-regions")->set_sensitive (false);
1458         }
1459
1460         if (have_audio) {
1461
1462                 if (have_envelope_active && !have_envelope_inactive) {
1463                         Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-gain-envelope-active"))->set_active ();
1464                 } else if (have_envelope_active && have_envelope_inactive) {
1465                         // Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-gain-envelope-active"))->set_inconsistent ();
1466                 }
1467
1468         } else {
1469
1470                 _region_actions->get_action("loudness-analyze-region")->set_sensitive (false);
1471                 _region_actions->get_action("spectral-analyze-region")->set_sensitive (false);
1472                 _region_actions->get_action("reset-region-gain-envelopes")->set_sensitive (false);
1473                 _region_actions->get_action("toggle-region-gain-envelope-active")->set_sensitive (false);
1474                 _region_actions->get_action("pitch-shift-region")->set_sensitive (false);
1475                 _region_actions->get_action("strip-region-silence")->set_sensitive (false);
1476                 _region_actions->get_action("show-rhythm-ferret")->set_sensitive (false);
1477
1478         }
1479
1480         if (!have_non_unity_scale_amplitude || !have_audio) {
1481                 _region_actions->get_action("reset-region-scale-amplitude")->set_sensitive (false);
1482         }
1483
1484         Glib::RefPtr<ToggleAction> a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-lock"));
1485         a->set_active (have_locked && !have_unlocked);
1486         if (have_locked && have_unlocked) {
1487                 // a->set_inconsistent ();
1488         }
1489
1490         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-video-lock"));
1491         a->set_active (have_video_locked && !have_video_unlocked);
1492         if (have_video_locked && have_video_unlocked) {
1493                 // a->set_inconsistent ();
1494         }
1495
1496         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-lock-style"));
1497         a->set_active (have_position_lock_style_music && !have_position_lock_style_audio);
1498
1499         vector<Widget*> proxies = a->get_proxies();
1500         for (vector<Widget*>::iterator p = proxies.begin(); p != proxies.end(); ++p) {
1501                 Gtk::CheckMenuItem* cmi = dynamic_cast<Gtk::CheckMenuItem*> (*p);
1502                 if (cmi) {
1503                         cmi->set_inconsistent (have_position_lock_style_music && have_position_lock_style_audio);
1504                 }
1505         }
1506
1507         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-mute"));
1508         a->set_active (have_muted && !have_unmuted);
1509         if (have_muted && have_unmuted) {
1510                 // a->set_inconsistent ();
1511         }
1512
1513         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-opaque-region"));
1514         a->set_active (have_opaque && !have_non_opaque);
1515         if (have_opaque && have_non_opaque) {
1516                 // a->set_inconsistent ();
1517         }
1518
1519         if (!have_not_at_natural_position) {
1520                 _region_actions->get_action("naturalize-region")->set_sensitive (false);
1521         }
1522
1523         /* XXX: should also check that there is a track of the appropriate type for the selected region */
1524         if (_edit_point == EditAtMouse || _regions->get_single_selection() == 0 || selection->tracks.empty()) {
1525                 _region_actions->get_action("insert-region-from-region-list")->set_sensitive (false);
1526         } else {
1527                 _region_actions->get_action("insert-region-from-region-list")->set_sensitive (true);
1528         }
1529
1530         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fade-in"));
1531         a->set_active (have_active_fade_in && !have_inactive_fade_in);
1532         if (have_active_fade_in && have_inactive_fade_in) {
1533                 // a->set_inconsistent ();
1534         }
1535
1536         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fade-out"));
1537         a->set_active (have_active_fade_out && !have_inactive_fade_out);
1538
1539         if (have_active_fade_out && have_inactive_fade_out) {
1540                 // a->set_inconsistent ();
1541         }
1542
1543         bool const have_active_fade = have_active_fade_in || have_active_fade_out;
1544         bool const have_inactive_fade = have_inactive_fade_in || have_inactive_fade_out;
1545
1546         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fades"));
1547         a->set_active (have_active_fade && !have_inactive_fade);
1548
1549         if (have_active_fade && have_inactive_fade) {
1550                 // a->set_inconsistent ();
1551         }
1552
1553         _ignore_region_action = false;
1554
1555         _all_region_actions_sensitized = false;
1556 }
1557
1558 void
1559 Editor::region_selection_changed ()
1560 {
1561         _regions->block_change_connection (true);
1562         editor_regions_selection_changed_connection.block(true);
1563
1564         if (_region_selection_change_updates_region_list) {
1565                 _regions->unselect_all ();
1566         }
1567
1568         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1569                 (*i)->set_selected_regionviews (selection->regions);
1570         }
1571
1572         if (_region_selection_change_updates_region_list) {
1573                 _regions->set_selected (selection->regions);
1574         }
1575
1576         _regions->block_change_connection (false);
1577         editor_regions_selection_changed_connection.block(false);
1578
1579         sensitize_the_right_region_actions (false);
1580
1581         /* propagate into backend */
1582
1583         if (_session) {
1584                 if (!selection->regions.empty()) {
1585                         _session->set_object_selection (selection->regions.start(), selection->regions.end_sample());
1586                 } else {
1587                         _session->clear_object_selection ();
1588                 }
1589         }
1590
1591         if ( _session->solo_selection_active() )
1592                 play_solo_selection(false);
1593 }
1594
1595 void
1596 Editor::point_selection_changed ()
1597 {
1598         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1599                 (*i)->set_selected_points (selection->points);
1600         }
1601 }
1602
1603 void
1604 Editor::select_all_in_track (Selection::Operation op)
1605 {
1606         list<Selectable *> touched;
1607
1608         if (!clicked_routeview) {
1609                 return;
1610         }
1611
1612         begin_reversible_selection_op (X_("Select All in Track"));
1613
1614         clicked_routeview->get_selectables (0, max_samplepos, 0, DBL_MAX, touched);
1615
1616         switch (op) {
1617         case Selection::Toggle:
1618                 selection->add (touched);
1619                 break;
1620         case Selection::Set:
1621                 selection->set (touched);
1622                 break;
1623         case Selection::Extend:
1624                 /* meaningless, because we're selecting everything */
1625                 break;
1626         case Selection::Add:
1627                 selection->add (touched);
1628                 break;
1629         }
1630
1631         commit_reversible_selection_op ();
1632 }
1633
1634 bool
1635 Editor::select_all_internal_edit (Selection::Operation)
1636 {
1637         bool selected = false;
1638
1639         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1640                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1641                 if (mrv) {
1642                         mrv->select_all_notes ();
1643                         selected = true;
1644                 }
1645         }
1646
1647         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(entered_regionview);
1648         if (mrv) {
1649                 mrv->select_all_notes ();
1650                 selected = true;
1651         }
1652
1653         return selected;
1654 }
1655
1656 void
1657 Editor::select_all_objects (Selection::Operation op)
1658 {
1659         list<Selectable *> touched;
1660
1661         if (internal_editing() && select_all_internal_edit(op)) {
1662                 return;  // Selected notes
1663         }
1664
1665         TrackViewList ts;
1666
1667         if (selection->tracks.empty()) {
1668                 ts = track_views;
1669         } else {
1670                 ts = selection->tracks;
1671         }
1672
1673         for (TrackViewList::iterator iter = ts.begin(); iter != ts.end(); ++iter) {
1674                 if ((*iter)->hidden()) {
1675                         continue;
1676                 }
1677                 (*iter)->get_selectables (0, max_samplepos, 0, DBL_MAX, touched);
1678         }
1679
1680         begin_reversible_selection_op (X_("select all"));
1681         switch (op) {
1682         case Selection::Add:
1683                 selection->add (touched);
1684                 break;
1685         case Selection::Toggle:
1686                 selection->toggle (touched);
1687                 break;
1688         case Selection::Set:
1689                 selection->set (touched);
1690                 break;
1691         case Selection::Extend:
1692                 /* meaningless, because we're selecting everything */
1693                 break;
1694         }
1695         commit_reversible_selection_op ();
1696 }
1697
1698 void
1699 Editor::invert_selection_in_track ()
1700 {
1701         list<Selectable *> touched;
1702
1703         if (!clicked_routeview) {
1704                 return;
1705         }
1706
1707         begin_reversible_selection_op (X_("Invert Selection in Track"));
1708         clicked_routeview->get_inverted_selectables (*selection, touched);
1709         selection->set (touched);
1710         commit_reversible_selection_op ();
1711 }
1712
1713 void
1714 Editor::invert_selection ()
1715 {
1716         list<Selectable *> touched;
1717
1718         if (internal_editing()) {
1719                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1720                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1721                         if (mrv) {
1722                                 mrv->invert_selection ();
1723                         }
1724                 }
1725                 return;
1726         }
1727
1728         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
1729                 if ((*iter)->hidden()) {
1730                         continue;
1731                 }
1732                 (*iter)->get_inverted_selectables (*selection, touched);
1733         }
1734
1735         begin_reversible_selection_op (X_("Invert Selection"));
1736         selection->set (touched);
1737         commit_reversible_selection_op ();
1738 }
1739
1740 /** @param start Start time in session samples.
1741  *  @param end End time in session samples.
1742  *  @param top Top (lower) y limit in trackview coordinates (ie 0 at the top of the track view)
1743  *  @param bottom Bottom (higher) y limit in trackview coordinates (ie 0 at the top of the track view)
1744  *  @param preserve_if_selected true to leave the current selection alone if we're adding to the selection and all of the selectables
1745  *  within the region are already selected.
1746  */
1747 void
1748 Editor::select_all_within (samplepos_t start, samplepos_t end, double top, double bot, const TrackViewList& tracklist, Selection::Operation op, bool preserve_if_selected)
1749 {
1750         list<Selectable*> found;
1751
1752         for (TrackViewList::const_iterator iter = tracklist.begin(); iter != tracklist.end(); ++iter) {
1753
1754                 if ((*iter)->hidden()) {
1755                         continue;
1756                 }
1757
1758                 (*iter)->get_selectables (start, end, top, bot, found);
1759         }
1760
1761         if (found.empty()) {
1762                 selection->clear_objects();
1763                 selection->clear_time ();
1764                 return;
1765         }
1766
1767         if (preserve_if_selected && op != Selection::Toggle) {
1768                 list<Selectable*>::iterator i = found.begin();
1769                 while (i != found.end() && (*i)->selected()) {
1770                         ++i;
1771                 }
1772
1773                 if (i == found.end()) {
1774                         return;
1775                 }
1776         }
1777
1778         begin_reversible_selection_op (X_("select all within"));
1779         switch (op) {
1780         case Selection::Add:
1781                 selection->add (found);
1782                 break;
1783         case Selection::Toggle:
1784                 selection->toggle (found);
1785                 break;
1786         case Selection::Set:
1787                 selection->set (found);
1788                 break;
1789         case Selection::Extend:
1790                 /* not defined yet */
1791                 break;
1792         }
1793
1794         commit_reversible_selection_op ();
1795 }
1796
1797 void
1798 Editor::set_selection_from_region ()
1799 {
1800         if (selection->regions.empty()) {
1801                 return;
1802         }
1803
1804         /* find all the tracks that have selected regions */
1805
1806         set<TimeAxisView*> tracks;
1807
1808         for (RegionSelection::const_iterator r = selection->regions.begin(); r != selection->regions.end(); ++r) {
1809                 tracks.insert (&(*r)->get_time_axis_view());
1810         }
1811
1812         TrackViewList tvl;
1813         tvl.insert (tvl.end(), tracks.begin(), tracks.end());
1814
1815         /* select range (this will clear the region selection) */
1816
1817         selection->set (selection->regions.start(), selection->regions.end_sample());
1818
1819         /* and select the tracks */
1820
1821         selection->set (tvl);
1822
1823         if (!get_smart_mode () || !(mouse_mode == Editing::MouseObject) ) {
1824                 set_mouse_mode (Editing::MouseRange, false);
1825         }
1826 }
1827
1828 void
1829 Editor::set_selection_from_punch()
1830 {
1831         Location* location;
1832
1833         if ((location = _session->locations()->auto_punch_location()) == 0)  {
1834                 return;
1835         }
1836
1837         set_selection_from_range (*location);
1838 }
1839
1840 void
1841 Editor::set_selection_from_loop()
1842 {
1843         Location* location;
1844
1845         if ((location = _session->locations()->auto_loop_location()) == 0)  {
1846                 return;
1847         }
1848         set_selection_from_range (*location);
1849 }
1850
1851 void
1852 Editor::set_selection_from_range (Location& loc)
1853 {
1854         begin_reversible_selection_op (X_("set selection from range"));
1855
1856         selection->set (loc.start(), loc.end());
1857
1858         // if no tracks are selected, enable all tracks
1859         // (_something_ has to be selected for any range selection, otherwise the user won't see anything)
1860         if (selection->tracks.empty()) {
1861                 select_all_tracks();
1862         }
1863
1864         commit_reversible_selection_op ();
1865
1866         if (!get_smart_mode () || mouse_mode != Editing::MouseObject) {
1867                 set_mouse_mode (MouseRange, false);
1868         }
1869 }
1870
1871 void
1872 Editor::select_all_selectables_using_time_selection ()
1873 {
1874         list<Selectable *> touched;
1875
1876         if (selection->time.empty()) {
1877                 return;
1878         }
1879
1880         samplepos_t start = selection->time[clicked_selection].start;
1881         samplepos_t end = selection->time[clicked_selection].end;
1882
1883         if (end - start < 1)  {
1884                 return;
1885         }
1886
1887         TrackViewList* ts;
1888
1889         if (selection->tracks.empty()) {
1890                 ts = &track_views;
1891         } else {
1892                 ts = &selection->tracks;
1893         }
1894
1895         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1896                 if ((*iter)->hidden()) {
1897                         continue;
1898                 }
1899                 (*iter)->get_selectables (start, end - 1, 0, DBL_MAX, touched);
1900         }
1901
1902         begin_reversible_selection_op (X_("select all from range"));
1903         selection->set (touched);
1904         commit_reversible_selection_op ();
1905 }
1906
1907
1908 void
1909 Editor::select_all_selectables_using_punch()
1910 {
1911         Location* location = _session->locations()->auto_punch_location();
1912         list<Selectable *> touched;
1913
1914         if (location == 0 || (location->end() - location->start() <= 1))  {
1915                 return;
1916         }
1917
1918
1919         TrackViewList* ts;
1920
1921         if (selection->tracks.empty()) {
1922                 ts = &track_views;
1923         } else {
1924                 ts = &selection->tracks;
1925         }
1926
1927         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1928                 if ((*iter)->hidden()) {
1929                         continue;
1930                 }
1931                 (*iter)->get_selectables (location->start(), location->end() - 1, 0, DBL_MAX, touched);
1932         }
1933         begin_reversible_selection_op (X_("select all from punch"));
1934         selection->set (touched);
1935         commit_reversible_selection_op ();
1936
1937 }
1938
1939 void
1940 Editor::select_all_selectables_using_loop()
1941 {
1942         Location* location = _session->locations()->auto_loop_location();
1943         list<Selectable *> touched;
1944
1945         if (location == 0 || (location->end() - location->start() <= 1))  {
1946                 return;
1947         }
1948
1949
1950         TrackViewList* ts;
1951
1952         if (selection->tracks.empty()) {
1953                 ts = &track_views;
1954         } else {
1955                 ts = &selection->tracks;
1956         }
1957
1958         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1959                 if ((*iter)->hidden()) {
1960                         continue;
1961                 }
1962                 (*iter)->get_selectables (location->start(), location->end() - 1, 0, DBL_MAX, touched);
1963         }
1964         begin_reversible_selection_op (X_("select all from loop"));
1965         selection->set (touched);
1966         commit_reversible_selection_op ();
1967
1968 }
1969
1970 void
1971 Editor::select_all_selectables_using_cursor (EditorCursor *cursor, bool after)
1972 {
1973         samplepos_t start;
1974         samplepos_t end;
1975         list<Selectable *> touched;
1976
1977         if (after) {
1978                 start = cursor->current_sample();
1979                 end = _session->current_end_sample();
1980         } else {
1981                 if (cursor->current_sample() > 0) {
1982                         start = 0;
1983                         end = cursor->current_sample() - 1;
1984                 } else {
1985                         return;
1986                 }
1987         }
1988
1989         if (internal_editing()) {
1990                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1991                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1992                         if (mrv) {
1993                                 mrv->select_range (start, end);
1994                         }
1995                 }
1996                 return;
1997         }
1998
1999         if (after) {
2000                 begin_reversible_selection_op (X_("select all after cursor"));
2001         } else {
2002                 begin_reversible_selection_op (X_("select all before cursor"));
2003         }
2004
2005         TrackViewList* ts;
2006
2007         if (selection->tracks.empty()) {
2008                 ts = &track_views;
2009         } else {
2010                 ts = &selection->tracks;
2011         }
2012
2013         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
2014                 if ((*iter)->hidden()) {
2015                         continue;
2016                 }
2017                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched);
2018         }
2019         selection->set (touched);
2020         commit_reversible_selection_op ();
2021 }
2022
2023 void
2024 Editor::select_all_selectables_using_edit (bool after, bool from_context_menu)
2025 {
2026         samplepos_t start;
2027         samplepos_t end;
2028         list<Selectable *> touched;
2029
2030         if (after) {
2031                 start = get_preferred_edit_position(EDIT_IGNORE_NONE, from_context_menu);
2032                 end = _session->current_end_sample();
2033         } else {
2034                 if ((end = get_preferred_edit_position(EDIT_IGNORE_NONE, from_context_menu)) > 1) {
2035                         start = 0;
2036                         end -= 1;
2037                 } else {
2038                         return;
2039                 }
2040         }
2041
2042         if (internal_editing()) {
2043                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
2044                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
2045                         mrv->select_range (start, end);
2046                 }
2047                 return;
2048         }
2049
2050         if (after) {
2051                 begin_reversible_selection_op (X_("select all after edit"));
2052         } else {
2053                 begin_reversible_selection_op (X_("select all before edit"));
2054         }
2055
2056         TrackViewList* ts;
2057
2058         if (selection->tracks.empty()) {
2059                 ts = &track_views;
2060         } else {
2061                 ts = &selection->tracks;
2062         }
2063
2064         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
2065                 if ((*iter)->hidden()) {
2066                         continue;
2067                 }
2068                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched);
2069         }
2070         selection->set (touched);
2071         commit_reversible_selection_op ();
2072 }
2073
2074 void
2075 Editor::select_all_selectables_between (bool within)
2076 {
2077         samplepos_t start;
2078         samplepos_t end;
2079         list<Selectable *> touched;
2080
2081         if (!get_edit_op_range (start, end)) {
2082                 return;
2083         }
2084
2085         if (internal_editing()) {
2086                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
2087                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
2088                         mrv->select_range (start, end);
2089                 }
2090                 return;
2091         }
2092
2093         TrackViewList* ts;
2094
2095         if (selection->tracks.empty()) {
2096                 ts = &track_views;
2097         } else {
2098                 ts = &selection->tracks;
2099         }
2100
2101         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
2102                 if ((*iter)->hidden()) {
2103                         continue;
2104                 }
2105                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched, within);
2106         }
2107
2108         begin_reversible_selection_op (X_("Select all Selectables Between"));
2109         selection->set (touched);
2110         commit_reversible_selection_op ();
2111 }
2112
2113 void
2114 Editor::select_range_between ()
2115 {
2116         samplepos_t start;
2117         samplepos_t end;
2118
2119         if (!selection->time.empty()) {
2120                 selection->clear_time ();
2121         }
2122
2123         if (!get_edit_op_range (start, end)) {
2124                 return;
2125         }
2126
2127         if (!get_smart_mode () || mouse_mode != Editing::MouseObject) {
2128                 set_mouse_mode (MouseRange, false);
2129         }
2130
2131         begin_reversible_selection_op (X_("Select Range Between"));
2132         selection->set (start, end);
2133         commit_reversible_selection_op ();
2134 }
2135
2136 bool
2137 Editor::get_edit_op_range (samplepos_t& start, samplepos_t& end) const
2138 {
2139 //      samplepos_t m;
2140 //      bool ignored;
2141
2142         /* if an explicit range exists, use it */
2143
2144         if ((mouse_mode == MouseRange || get_smart_mode()) &&  !selection->time.empty()) {
2145                 /* we know that these are ordered */
2146                 start = selection->time.start();
2147                 end = selection->time.end_sample();
2148                 return true;
2149         } else {
2150                 start = 0;
2151                 end = 0;
2152                 return false;
2153         }
2154
2155 //      if (!mouse_sample (m, ignored)) {
2156 //              /* mouse is not in a canvas, try playhead+selected marker.
2157 //                 this is probably most true when using menus.
2158 //              */
2159 //
2160 //              if (selection->markers.empty()) {
2161 //                      return false;
2162 //              }
2163
2164 //              start = selection->markers.front()->position();
2165 //              end = _session->audible_sample();
2166
2167 //      } else {
2168
2169 //              switch (_edit_point) {
2170 //              case EditAtPlayhead:
2171 //                      if (selection->markers.empty()) {
2172 //                              /* use mouse + playhead */
2173 //                              start = m;
2174 //                              end = _session->audible_sample();
2175 //                      } else {
2176 //                              /* use playhead + selected marker */
2177 //                              start = _session->audible_sample();
2178 //                              end = selection->markers.front()->position();
2179 //                      }
2180 //                      break;
2181
2182 //              case EditAtMouse:
2183 //                      /* use mouse + selected marker */
2184 //                      if (selection->markers.empty()) {
2185 //                              start = m;
2186 //                              end = _session->audible_sample();
2187 //                      } else {
2188 //                              start = selection->markers.front()->position();
2189 //                              end = m;
2190 //                      }
2191 //                      break;
2192
2193 //              case EditAtSelectedMarker:
2194 //                      /* use mouse + selected marker */
2195 //                      if (selection->markers.empty()) {
2196
2197 //                              MessageDialog win (_("No edit range defined"),
2198 //                                                 false,
2199 //                                                 MESSAGE_INFO,
2200 //                                                 BUTTONS_OK);
2201
2202 //                              win.set_secondary_text (
2203 //                                      _("the edit point is Selected Marker\nbut there is no selected marker."));
2204
2205
2206 //                              win.set_default_response (RESPONSE_CLOSE);
2207 //                              win.set_position (Gtk::WIN_POS_MOUSE);
2208 //                              win.show_all();
2209
2210 //                              win.run ();
2211
2212 //                              return false; // NO RANGE
2213 //                      }
2214 //                      start = selection->markers.front()->position();
2215 //                      end = m;
2216 //                      break;
2217 //              }
2218 //      }
2219
2220 //      if (start == end) {
2221 //              return false;
2222 //      }
2223
2224 //      if (start > end) {
2225 //              swap (start, end);
2226 //      }
2227
2228         /* turn range into one delimited by start...end,
2229            not start...end-1
2230         */
2231
2232 //      end++;
2233
2234 //      return true;
2235 }
2236
2237 void
2238 Editor::deselect_all ()
2239 {
2240         begin_reversible_selection_op (X_("Deselect All"));
2241         selection->clear ();
2242         commit_reversible_selection_op ();
2243 }
2244
2245 long
2246 Editor::select_range (samplepos_t s, samplepos_t e)
2247 {
2248         begin_reversible_selection_op (X_("Select Range"));
2249         selection->add (clicked_axisview);
2250         selection->time.clear ();
2251         long ret = selection->set (s, e);
2252         commit_reversible_selection_op ();
2253         return ret;
2254 }