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