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 is called from three places:
1091  *
1092  *    1. just before the top level Region menu is shown
1093  *    2. whenever the region selection changes
1094  *    3. just before popping up a track context menu
1095  *
1096  *  This method also sets up toggle action state as appropriate.
1097  */
1098 void
1099 Editor::sensitize_the_right_region_actions (bool from_context_menu, bool from_outside_canvas)
1100 {
1101         PBD::stacktrace (cerr, 20);
1102         RegionSelection rs = get_regions_from_selection_and_edit_point (Editing::EDIT_IGNORE_NONE, from_context_menu, from_outside_canvas);
1103
1104         sensitize_all_region_actions (!rs.empty ());
1105
1106         _ignore_region_action = true;
1107
1108         /* Look through the regions that are selected and make notes about what we have got */
1109
1110         bool have_audio = false;
1111         bool have_multichannel_audio = false;
1112         bool have_midi = false;
1113         bool have_locked = false;
1114         bool have_unlocked = false;
1115         bool have_video_locked = false;
1116         bool have_video_unlocked = false;
1117         bool have_position_lock_style_audio = false;
1118         bool have_position_lock_style_music = false;
1119         bool have_muted = false;
1120         bool have_unmuted = false;
1121         bool have_opaque = false;
1122         bool have_non_opaque = false;
1123         bool have_not_at_natural_position = false;
1124         bool have_envelope_active = false;
1125         bool have_envelope_inactive = false;
1126         bool have_non_unity_scale_amplitude = false;
1127         bool have_compound_regions = false;
1128         bool have_inactive_fade_in = false;
1129         bool have_inactive_fade_out = false;
1130         bool have_active_fade_in = false;
1131         bool have_active_fade_out = false;
1132         bool have_transients = false;
1133
1134         for (list<RegionView*>::const_iterator i = rs.begin(); i != rs.end(); ++i) {
1135
1136                 boost::shared_ptr<Region> r = (*i)->region ();
1137                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (r);
1138
1139                 if (ar) {
1140                         have_audio = true;
1141                         if (ar->n_channels() > 1) {
1142                                 have_multichannel_audio = true;
1143                         }
1144                 }
1145
1146                 if (boost::dynamic_pointer_cast<MidiRegion> (r)) {
1147                         have_midi = true;
1148                 }
1149
1150                 if (r->is_compound()) {
1151                         have_compound_regions = true;
1152                 }
1153
1154                 if (r->locked()) {
1155                         have_locked = true;
1156                 } else {
1157                         have_unlocked = true;
1158                 }
1159
1160                 if (r->video_locked()) {
1161                         have_video_locked = true;
1162                 } else {
1163                         have_video_unlocked = true;
1164                 }
1165
1166                 if (r->position_lock_style() == MusicTime) {
1167                         have_position_lock_style_music = true;
1168                 } else {
1169                         have_position_lock_style_audio = true;
1170                 }
1171
1172                 if (r->muted()) {
1173                         have_muted = true;
1174                 } else {
1175                         have_unmuted = true;
1176                 }
1177
1178                 if (r->opaque()) {
1179                         have_opaque = true;
1180                 } else {
1181                         have_non_opaque = true;
1182                 }
1183
1184                 if (!r->at_natural_position()) {
1185                         have_not_at_natural_position = true;
1186                 }
1187
1188                 if (r->has_transients ()){
1189                         have_transients = true;
1190                 }
1191
1192                 if (ar) {
1193                         if (ar->envelope_active()) {
1194                                 have_envelope_active = true;
1195                         } else {
1196                                 have_envelope_inactive = true;
1197                         }
1198
1199                         if (ar->scale_amplitude() != 1) {
1200                                 have_non_unity_scale_amplitude = true;
1201                         }
1202
1203                         if (ar->fade_in_active ()) {
1204                                 have_active_fade_in = true;
1205                         } else {
1206                                 have_inactive_fade_in = true;
1207                         }
1208
1209                         if (ar->fade_out_active ()) {
1210                                 have_active_fade_out = true;
1211                         } else {
1212                                 have_inactive_fade_out = true;
1213                         }
1214                 }
1215         }
1216
1217         _region_actions->get_action("split-region-at-transients")->set_sensitive (have_transients);
1218
1219         if (rs.size() > 1) {
1220                 _region_actions->get_action("show-region-list-editor")->set_sensitive (false);
1221                 _region_actions->get_action("show-region-properties")->set_sensitive (false);
1222                 _region_actions->get_action("rename-region")->set_sensitive (false);
1223                 if (have_audio) {
1224                         /* XXX need to check whether there is than 1 per
1225                            playlist, because otherwise this makes no sense.
1226                         */
1227                         _region_actions->get_action("combine-regions")->set_sensitive (true);
1228                 } else {
1229                         _region_actions->get_action("combine-regions")->set_sensitive (false);
1230                 }
1231         } else if (rs.size() == 1) {
1232                 _region_actions->get_action("add-range-markers-from-region")->set_sensitive (false);
1233                 _region_actions->get_action("close-region-gaps")->set_sensitive (false);
1234                 _region_actions->get_action("combine-regions")->set_sensitive (false);
1235         }
1236
1237         if (!have_multichannel_audio) {
1238                 _region_actions->get_action("split-multichannel-region")->set_sensitive (false);
1239         }
1240
1241         if (!have_midi) {
1242                 editor_menu_actions->get_action("RegionMenuMIDI")->set_sensitive (false);
1243                 _region_actions->get_action("show-region-list-editor")->set_sensitive (false);
1244                 _region_actions->get_action("quantize-region")->set_sensitive (false);
1245                 _region_actions->get_action("legatize-region")->set_sensitive (false);
1246                 _region_actions->get_action("remove-overlap")->set_sensitive (false);
1247                 _region_actions->get_action("transform-region")->set_sensitive (false);
1248                 _region_actions->get_action("fork-region")->set_sensitive (false);
1249                 _region_actions->get_action("insert-patch-change-context")->set_sensitive (false);
1250                 _region_actions->get_action("insert-patch-change")->set_sensitive (false);
1251                 _region_actions->get_action("transpose-region")->set_sensitive (false);
1252         } else {
1253                 editor_menu_actions->get_action("RegionMenuMIDI")->set_sensitive (true);
1254                 /* others were already marked sensitive */
1255         }
1256
1257         /* these actions all require a single location, taken from the edit
1258          * point.
1259          */
1260
1261         vector<string> edit_point_actions;
1262         edit_point_actions.push_back ("set-region-sync-position");
1263         edit_point_actions.push_back ("trim-front");
1264         edit_point_actions.push_back ("trim-back");
1265         edit_point_actions.push_back ("place-transient");
1266         edit_point_actions.push_back ("align-regions-start");
1267         edit_point_actions.push_back ("align-regions-start-relative");
1268         edit_point_actions.push_back ("align-regions-end");
1269         edit_point_actions.push_back ("align-regions-end-relative");
1270         edit_point_actions.push_back ("align-regions-sync");
1271         edit_point_actions.push_back ("align-regions-sync-relative");
1272
1273         /* They all use Editor::get_regions_from_selection_and_edit_point(),
1274          * which is the same method used at the start of this to determine if
1275          * any regions are eligible/valid for editing.
1276          *
1277          * there are two possible reasons why these actions should still
1278          * be sensitive.
1279          *
1280          *  1. regions are selected
1281          *  2. the edit point is inside some regions on selected tracks
1282          *
1283          * the first condition is satisfied if selection->regions is not empty.
1284          * the second condition is satisfied if selection->regions is empty,
1285          *    but @param rs (set above by the call to get_regions_from_selection_and_edit_point()
1286          *    is not empty.
1287          *
1288          * if the mouse is the edit point, then whether get_regions_from_selection_and_edit_point()
1289          * will have identified any regions will depend on the edit point setting.
1290          *
1291          * Editing::EditIgnoreOption that we passed to it, which in turn will
1292          * depend on whether or not the pointer is still inside the track
1293          * canvas. If it was, then the pointer position will determine whether
1294          * or not any non-selected regions are considered eligible. If it
1295          * wasn't, then we will ignore the pointer position and fallback on a
1296          * secondary edit point (at this writing, that will likely be the
1297          * playhead but see get_regions_from_selection_and_edit_point() to see
1298          * how this works).
1299          *
1300          * if the edit point is not the mouse, then
1301          * get_regions_from_selection_and_edit_point() will just do the right
1302          * thing.
1303          *
1304          * However, the implementation of the actions will still use the edit
1305          * point, ...
1306          *
1307          */
1308
1309         bool sensitivity;
1310
1311         if (!selection->regions.empty() || !rs.empty()) { /* conditions 1 and 2 above */
1312                 sensitivity = true;
1313         } else {
1314                 sensitivity = false;
1315         }
1316
1317         for (vector<string>::const_iterator a = edit_point_actions.begin(); a != edit_point_actions.end(); ++a) {
1318                 _region_actions->get_action (*a)->set_sensitive (sensitivity);
1319         }
1320
1321         /* ok, moving along... */
1322
1323         if (have_compound_regions) {
1324                 _region_actions->get_action("uncombine-regions")->set_sensitive (true);
1325         } else {
1326                 _region_actions->get_action("uncombine-regions")->set_sensitive (false);
1327         }
1328
1329         if (have_audio) {
1330
1331                 if (have_envelope_active && !have_envelope_inactive) {
1332                         Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-gain-envelope-active"))->set_active ();
1333                 } else if (have_envelope_active && have_envelope_inactive) {
1334                         // Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-gain-envelope-active"))->set_inconsistent ();
1335                 }
1336
1337         } else {
1338
1339                 _region_actions->get_action("loudness-analyze-region")->set_sensitive (false);
1340                 _region_actions->get_action("spectral-analyze-region")->set_sensitive (false);
1341                 _region_actions->get_action("reset-region-gain-envelopes")->set_sensitive (false);
1342                 _region_actions->get_action("toggle-region-gain-envelope-active")->set_sensitive (false);
1343                 _region_actions->get_action("pitch-shift-region")->set_sensitive (false);
1344                 _region_actions->get_action("strip-region-silence")->set_sensitive (false);
1345                 _region_actions->get_action("show-rhythm-ferret")->set_sensitive (false);
1346
1347         }
1348
1349         if (!have_non_unity_scale_amplitude || !have_audio) {
1350                 _region_actions->get_action("reset-region-scale-amplitude")->set_sensitive (false);
1351         }
1352
1353         Glib::RefPtr<ToggleAction> a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-lock"));
1354         a->set_active (have_locked && !have_unlocked);
1355         if (have_locked && have_unlocked) {
1356                 // a->set_inconsistent ();
1357         }
1358
1359         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-video-lock"));
1360         a->set_active (have_video_locked && !have_video_unlocked);
1361         if (have_video_locked && have_video_unlocked) {
1362                 // a->set_inconsistent ();
1363         }
1364
1365         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-lock-style"));
1366         a->set_active (have_position_lock_style_music && !have_position_lock_style_audio);
1367
1368         vector<Widget*> proxies = a->get_proxies();
1369         for (vector<Widget*>::iterator p = proxies.begin(); p != proxies.end(); ++p) {
1370                 Gtk::CheckMenuItem* cmi = dynamic_cast<Gtk::CheckMenuItem*> (*p);
1371                 if (cmi) {
1372                         cmi->set_inconsistent (have_position_lock_style_music && have_position_lock_style_audio);
1373                 }
1374         }
1375
1376         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-mute"));
1377         a->set_active (have_muted && !have_unmuted);
1378         if (have_muted && have_unmuted) {
1379                 // a->set_inconsistent ();
1380         }
1381
1382         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-opaque-region"));
1383         a->set_active (have_opaque && !have_non_opaque);
1384         if (have_opaque && have_non_opaque) {
1385                 // a->set_inconsistent ();
1386         }
1387
1388         if (!have_not_at_natural_position) {
1389                 _region_actions->get_action("naturalize-region")->set_sensitive (false);
1390         }
1391
1392         /* XXX: should also check that there is a track of the appropriate type for the selected region */
1393         if (_edit_point == EditAtMouse || _regions->get_single_selection() == 0 || selection->tracks.empty()) {
1394                 _region_actions->get_action("insert-region-from-region-list")->set_sensitive (false);
1395         } else {
1396                 _region_actions->get_action("insert-region-from-region-list")->set_sensitive (true);
1397         }
1398
1399         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fade-in"));
1400         a->set_active (have_active_fade_in && !have_inactive_fade_in);
1401         if (have_active_fade_in && have_inactive_fade_in) {
1402                 // a->set_inconsistent ();
1403         }
1404
1405         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fade-out"));
1406         a->set_active (have_active_fade_out && !have_inactive_fade_out);
1407
1408         if (have_active_fade_out && have_inactive_fade_out) {
1409                 // a->set_inconsistent ();
1410         }
1411
1412         bool const have_active_fade = have_active_fade_in || have_active_fade_out;
1413         bool const have_inactive_fade = have_inactive_fade_in || have_inactive_fade_out;
1414
1415         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fades"));
1416         a->set_active (have_active_fade && !have_inactive_fade);
1417
1418         if (have_active_fade && have_inactive_fade) {
1419                 // a->set_inconsistent ();
1420         }
1421
1422         _ignore_region_action = false;
1423
1424         _all_region_actions_sensitized = false;
1425 }
1426
1427 void
1428 Editor::region_selection_changed ()
1429 {
1430         _regions->block_change_connection (true);
1431         editor_regions_selection_changed_connection.block(true);
1432
1433         if (_region_selection_change_updates_region_list) {
1434                 _regions->unselect_all ();
1435         }
1436
1437         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1438                 (*i)->set_selected_regionviews (selection->regions);
1439         }
1440
1441         if (_region_selection_change_updates_region_list) {
1442                 _regions->set_selected (selection->regions);
1443         }
1444
1445         _regions->block_change_connection (false);
1446         editor_regions_selection_changed_connection.block(false);
1447
1448         sensitize_the_right_region_actions (false, false);
1449
1450         /* propagate into backend */
1451
1452         if (_session) {
1453                 if (!selection->regions.empty()) {
1454                         _session->set_object_selection (selection->regions.start(), selection->regions.end_frame());
1455                 } else {
1456                         _session->clear_object_selection ();
1457                 }
1458         }
1459
1460 }
1461
1462 void
1463 Editor::point_selection_changed ()
1464 {
1465         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1466                 (*i)->set_selected_points (selection->points);
1467         }
1468 }
1469
1470 void
1471 Editor::select_all_in_track (Selection::Operation op)
1472 {
1473         list<Selectable *> touched;
1474
1475         if (!clicked_routeview) {
1476                 return;
1477         }
1478
1479         begin_reversible_selection_op (X_("Select All in Track"));
1480
1481         clicked_routeview->get_selectables (0, max_framepos, 0, DBL_MAX, touched);
1482
1483         switch (op) {
1484         case Selection::Toggle:
1485                 selection->add (touched);
1486                 break;
1487         case Selection::Set:
1488                 selection->set (touched);
1489                 break;
1490         case Selection::Extend:
1491                 /* meaningless, because we're selecting everything */
1492                 break;
1493         case Selection::Add:
1494                 selection->add (touched);
1495                 break;
1496         }
1497
1498         commit_reversible_selection_op ();
1499 }
1500
1501 bool
1502 Editor::select_all_internal_edit (Selection::Operation)
1503 {
1504         bool selected = false;
1505
1506         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1507                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1508                 if (mrv) {
1509                         mrv->select_all_notes ();
1510                         selected = true;
1511                 }
1512         }
1513
1514         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(entered_regionview);
1515         if (mrv) {
1516                 mrv->select_all_notes ();
1517                 selected = true;
1518         }
1519
1520         return selected;
1521 }
1522
1523 void
1524 Editor::select_all_objects (Selection::Operation op)
1525 {
1526         list<Selectable *> touched;
1527
1528         TrackViewList ts  = track_views;
1529
1530         if (internal_editing() && select_all_internal_edit(op)) {
1531                 return;  // Selected notes
1532         }
1533
1534         for (TrackViewList::iterator iter = ts.begin(); iter != ts.end(); ++iter) {
1535                 if ((*iter)->hidden()) {
1536                         continue;
1537                 }
1538                 (*iter)->get_selectables (0, max_framepos, 0, DBL_MAX, touched);
1539                 selection->add (*iter);
1540         }
1541
1542
1543         begin_reversible_selection_op (X_("select all"));
1544         switch (op) {
1545         case Selection::Add:
1546                 selection->add (touched);
1547                 break;
1548         case Selection::Toggle:
1549                 selection->add (touched);
1550                 break;
1551         case Selection::Set:
1552                 selection->set (touched);
1553                 break;
1554         case Selection::Extend:
1555                 /* meaningless, because we're selecting everything */
1556                 break;
1557         }
1558         commit_reversible_selection_op ();
1559 }
1560
1561 void
1562 Editor::invert_selection_in_track ()
1563 {
1564         list<Selectable *> touched;
1565
1566         if (!clicked_routeview) {
1567                 return;
1568         }
1569
1570         begin_reversible_selection_op (X_("Invert Selection in Track"));
1571         clicked_routeview->get_inverted_selectables (*selection, touched);
1572         selection->set (touched);
1573         commit_reversible_selection_op ();
1574 }
1575
1576 void
1577 Editor::invert_selection ()
1578 {
1579         list<Selectable *> touched;
1580
1581         if (internal_editing()) {
1582                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1583                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1584                         if (mrv) {
1585                                 mrv->invert_selection ();
1586                         }
1587                 }
1588                 return;
1589         }
1590
1591         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
1592                 if ((*iter)->hidden()) {
1593                         continue;
1594                 }
1595                 (*iter)->get_inverted_selectables (*selection, touched);
1596         }
1597
1598         begin_reversible_selection_op (X_("Invert Selection"));
1599         selection->set (touched);
1600         commit_reversible_selection_op ();
1601 }
1602
1603 /** @param start Start time in session frames.
1604  *  @param end End time in session frames.
1605  *  @param top Top (lower) y limit in trackview coordinates (ie 0 at the top of the track view)
1606  *  @param bottom Bottom (higher) y limit in trackview coordinates (ie 0 at the top of the track view)
1607  *  @param preserve_if_selected true to leave the current selection alone if we're adding to the selection and all of the selectables
1608  *  within the region are already selected.
1609  */
1610 void
1611 Editor::select_all_within (framepos_t start, framepos_t end, double top, double bot, const TrackViewList& tracklist, Selection::Operation op, bool preserve_if_selected)
1612 {
1613         list<Selectable*> found;
1614
1615         for (TrackViewList::const_iterator iter = tracklist.begin(); iter != tracklist.end(); ++iter) {
1616
1617                 if ((*iter)->hidden()) {
1618                         continue;
1619                 }
1620
1621                 (*iter)->get_selectables (start, end, top, bot, found);
1622         }
1623
1624         if (found.empty()) {
1625                 selection->clear_objects();
1626                 selection->clear_time ();
1627                 return;
1628         }
1629
1630         if (preserve_if_selected && op != Selection::Toggle) {
1631                 list<Selectable*>::iterator i = found.begin();
1632                 while (i != found.end() && (*i)->selected()) {
1633                         ++i;
1634                 }
1635
1636                 if (i == found.end()) {
1637                         return;
1638                 }
1639         }
1640
1641         begin_reversible_selection_op (X_("select all within"));
1642         switch (op) {
1643         case Selection::Add:
1644                 selection->add (found);
1645                 break;
1646         case Selection::Toggle:
1647                 selection->toggle (found);
1648                 break;
1649         case Selection::Set:
1650                 selection->set (found);
1651                 break;
1652         case Selection::Extend:
1653                 /* not defined yet */
1654                 break;
1655         }
1656
1657         commit_reversible_selection_op ();
1658 }
1659
1660 void
1661 Editor::set_selection_from_region ()
1662 {
1663         if (selection->regions.empty()) {
1664                 return;
1665         }
1666
1667         /* find all the tracks that have selected regions */
1668
1669         set<TimeAxisView*> tracks;
1670
1671         for (RegionSelection::const_iterator r = selection->regions.begin(); r != selection->regions.end(); ++r) {
1672                 tracks.insert (&(*r)->get_time_axis_view());
1673         }
1674
1675         TrackViewList tvl;
1676         tvl.insert (tvl.end(), tracks.begin(), tracks.end());
1677
1678         /* select range (this will clear the region selection) */
1679
1680         selection->set (selection->regions.start(), selection->regions.end_frame());
1681
1682         /* and select the tracks */
1683
1684         selection->set (tvl);
1685
1686         set_mouse_mode (Editing::MouseRange, false);
1687 }
1688
1689 void
1690 Editor::set_selection_from_punch()
1691 {
1692         Location* location;
1693
1694         if ((location = _session->locations()->auto_punch_location()) == 0)  {
1695                 return;
1696         }
1697
1698         set_selection_from_range (*location);
1699 }
1700
1701 void
1702 Editor::set_selection_from_loop()
1703 {
1704         Location* location;
1705
1706         if ((location = _session->locations()->auto_loop_location()) == 0)  {
1707                 return;
1708         }
1709         set_selection_from_range (*location);
1710 }
1711
1712 void
1713 Editor::set_selection_from_range (Location& loc)
1714 {
1715         begin_reversible_selection_op (X_("set selection from range"));
1716         selection->set (loc.start(), loc.end());
1717         commit_reversible_selection_op ();
1718
1719         set_mouse_mode (Editing::MouseRange, false);
1720 }
1721
1722 void
1723 Editor::select_all_selectables_using_time_selection ()
1724 {
1725         list<Selectable *> touched;
1726
1727         if (selection->time.empty()) {
1728                 return;
1729         }
1730
1731         framepos_t start = selection->time[clicked_selection].start;
1732         framepos_t end = selection->time[clicked_selection].end;
1733
1734         if (end - start < 1)  {
1735                 return;
1736         }
1737
1738         TrackViewList* ts;
1739
1740         if (selection->tracks.empty()) {
1741                 ts = &track_views;
1742         } else {
1743                 ts = &selection->tracks;
1744         }
1745
1746         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1747                 if ((*iter)->hidden()) {
1748                         continue;
1749                 }
1750                 (*iter)->get_selectables (start, end - 1, 0, DBL_MAX, touched);
1751         }
1752
1753         begin_reversible_selection_op (X_("select all from range"));
1754         selection->set (touched);
1755         commit_reversible_selection_op ();
1756 }
1757
1758
1759 void
1760 Editor::select_all_selectables_using_punch()
1761 {
1762         Location* location = _session->locations()->auto_punch_location();
1763         list<Selectable *> touched;
1764
1765         if (location == 0 || (location->end() - location->start() <= 1))  {
1766                 return;
1767         }
1768
1769
1770         TrackViewList* ts;
1771
1772         if (selection->tracks.empty()) {
1773                 ts = &track_views;
1774         } else {
1775                 ts = &selection->tracks;
1776         }
1777
1778         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1779                 if ((*iter)->hidden()) {
1780                         continue;
1781                 }
1782                 (*iter)->get_selectables (location->start(), location->end() - 1, 0, DBL_MAX, touched);
1783         }
1784         begin_reversible_selection_op (X_("select all from punch"));
1785         selection->set (touched);
1786         commit_reversible_selection_op ();
1787
1788 }
1789
1790 void
1791 Editor::select_all_selectables_using_loop()
1792 {
1793         Location* location = _session->locations()->auto_loop_location();
1794         list<Selectable *> touched;
1795
1796         if (location == 0 || (location->end() - location->start() <= 1))  {
1797                 return;
1798         }
1799
1800
1801         TrackViewList* ts;
1802
1803         if (selection->tracks.empty()) {
1804                 ts = &track_views;
1805         } else {
1806                 ts = &selection->tracks;
1807         }
1808
1809         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1810                 if ((*iter)->hidden()) {
1811                         continue;
1812                 }
1813                 (*iter)->get_selectables (location->start(), location->end() - 1, 0, DBL_MAX, touched);
1814         }
1815         begin_reversible_selection_op (X_("select all from loop"));
1816         selection->set (touched);
1817         commit_reversible_selection_op ();
1818
1819 }
1820
1821 void
1822 Editor::select_all_selectables_using_cursor (EditorCursor *cursor, bool after)
1823 {
1824         framepos_t start;
1825         framepos_t end;
1826         list<Selectable *> touched;
1827
1828         if (after) {
1829                 start = cursor->current_frame();
1830                 end = _session->current_end_frame();
1831         } else {
1832                 if (cursor->current_frame() > 0) {
1833                         start = 0;
1834                         end = cursor->current_frame() - 1;
1835                 } else {
1836                         return;
1837                 }
1838         }
1839
1840         if (internal_editing()) {
1841                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1842                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1843                         if (mrv) {
1844                                 mrv->select_range (start, end);
1845                         }
1846                 }
1847                 return;
1848         }
1849
1850         if (after) {
1851                 begin_reversible_selection_op (X_("select all after cursor"));
1852         } else {
1853                 begin_reversible_selection_op (X_("select all before cursor"));
1854         }
1855
1856         TrackViewList* ts;
1857
1858         if (selection->tracks.empty()) {
1859                 ts = &track_views;
1860         } else {
1861                 ts = &selection->tracks;
1862         }
1863
1864         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1865                 if ((*iter)->hidden()) {
1866                         continue;
1867                 }
1868                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched);
1869         }
1870         selection->set (touched);
1871         commit_reversible_selection_op ();
1872 }
1873
1874 void
1875 Editor::select_all_selectables_using_edit (bool after, bool from_context_menu)
1876 {
1877         framepos_t start;
1878         framepos_t end;
1879         list<Selectable *> touched;
1880
1881         if (after) {
1882                 start = get_preferred_edit_position(EDIT_IGNORE_NONE, from_context_menu);
1883                 end = _session->current_end_frame();
1884         } else {
1885                 if ((end = get_preferred_edit_position(EDIT_IGNORE_NONE, from_context_menu)) > 1) {
1886                         start = 0;
1887                         end -= 1;
1888                 } else {
1889                         return;
1890                 }
1891         }
1892
1893         if (internal_editing()) {
1894                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1895                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1896                         mrv->select_range (start, end);
1897                 }
1898                 return;
1899         }
1900
1901         if (after) {
1902                 begin_reversible_selection_op (X_("select all after edit"));
1903         } else {
1904                 begin_reversible_selection_op (X_("select all before edit"));
1905         }
1906
1907         TrackViewList* ts;
1908
1909         if (selection->tracks.empty()) {
1910                 ts = &track_views;
1911         } else {
1912                 ts = &selection->tracks;
1913         }
1914
1915         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1916                 if ((*iter)->hidden()) {
1917                         continue;
1918                 }
1919                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched);
1920         }
1921         selection->set (touched);
1922         commit_reversible_selection_op ();
1923 }
1924
1925 void
1926 Editor::select_all_selectables_between (bool within)
1927 {
1928         framepos_t start;
1929         framepos_t end;
1930         list<Selectable *> touched;
1931
1932         if (!get_edit_op_range (start, end)) {
1933                 return;
1934         }
1935
1936         if (internal_editing()) {
1937                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1938                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1939                         mrv->select_range (start, end);
1940                 }
1941                 return;
1942         }
1943
1944         TrackViewList* ts;
1945
1946         if (selection->tracks.empty()) {
1947                 ts = &track_views;
1948         } else {
1949                 ts = &selection->tracks;
1950         }
1951
1952         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1953                 if ((*iter)->hidden()) {
1954                         continue;
1955                 }
1956                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched, within);
1957         }
1958
1959         begin_reversible_selection_op (X_("Select all Selectables Between"));
1960         selection->set (touched);
1961         commit_reversible_selection_op ();
1962 }
1963
1964 void
1965 Editor::select_range_between ()
1966 {
1967         framepos_t start;
1968         framepos_t end;
1969
1970         if ( !selection->time.empty() ) {
1971                 selection->clear_time ();
1972         }
1973
1974         if (!get_edit_op_range (start, end)) {
1975                 return;
1976         }
1977
1978         begin_reversible_selection_op (X_("Select Range Between"));
1979         set_mouse_mode (MouseRange);
1980         selection->set (start, end);
1981         commit_reversible_selection_op ();
1982 }
1983
1984 bool
1985 Editor::get_edit_op_range (framepos_t& start, framepos_t& end) const
1986 {
1987 //      framepos_t m;
1988 //      bool ignored;
1989
1990         /* if an explicit range exists, use it */
1991
1992         if ( (mouse_mode == MouseRange || get_smart_mode() ) &&  !selection->time.empty()) {
1993                 /* we know that these are ordered */
1994                 start = selection->time.start();
1995                 end = selection->time.end_frame();
1996                 return true;
1997         } else {
1998                 start = 0;
1999                 end = 0;
2000                 return false;
2001         }
2002
2003 //      if (!mouse_frame (m, ignored)) {
2004 //              /* mouse is not in a canvas, try playhead+selected marker.
2005 //                 this is probably most true when using menus.
2006 //              */
2007 //
2008 //              if (selection->markers.empty()) {
2009 //                      return false;
2010 //              }
2011
2012 //              start = selection->markers.front()->position();
2013 //              end = _session->audible_frame();
2014
2015 //      } else {
2016
2017 //              switch (_edit_point) {
2018 //              case EditAtPlayhead:
2019 //                      if (selection->markers.empty()) {
2020 //                              /* use mouse + playhead */
2021 //                              start = m;
2022 //                              end = _session->audible_frame();
2023 //                      } else {
2024 //                              /* use playhead + selected marker */
2025 //                              start = _session->audible_frame();
2026 //                              end = selection->markers.front()->position();
2027 //                      }
2028 //                      break;
2029
2030 //              case EditAtMouse:
2031 //                      /* use mouse + selected marker */
2032 //                      if (selection->markers.empty()) {
2033 //                              start = m;
2034 //                              end = _session->audible_frame();
2035 //                      } else {
2036 //                              start = selection->markers.front()->position();
2037 //                              end = m;
2038 //                      }
2039 //                      break;
2040
2041 //              case EditAtSelectedMarker:
2042 //                      /* use mouse + selected marker */
2043 //                      if (selection->markers.empty()) {
2044
2045 //                              MessageDialog win (_("No edit range defined"),
2046 //                                                 false,
2047 //                                                 MESSAGE_INFO,
2048 //                                                 BUTTONS_OK);
2049
2050 //                              win.set_secondary_text (
2051 //                                      _("the edit point is Selected Marker\nbut there is no selected marker."));
2052
2053
2054 //                              win.set_default_response (RESPONSE_CLOSE);
2055 //                              win.set_position (Gtk::WIN_POS_MOUSE);
2056 //                              win.show_all();
2057
2058 //                              win.run ();
2059
2060 //                              return false; // NO RANGE
2061 //                      }
2062 //                      start = selection->markers.front()->position();
2063 //                      end = m;
2064 //                      break;
2065 //              }
2066 //      }
2067
2068 //      if (start == end) {
2069 //              return false;
2070 //      }
2071
2072 //      if (start > end) {
2073 //              swap (start, end);
2074 //      }
2075
2076         /* turn range into one delimited by start...end,
2077            not start...end-1
2078         */
2079
2080 //      end++;
2081
2082 //      return true;
2083 }
2084
2085 void
2086 Editor::deselect_all ()
2087 {
2088         begin_reversible_selection_op (X_("Deselect All"));
2089         selection->clear ();
2090         commit_reversible_selection_op ();
2091 }
2092
2093 long
2094 Editor::select_range (framepos_t s, framepos_t e)
2095 {
2096         begin_reversible_selection_op (X_("Select Range"));
2097         selection->add (clicked_axisview);
2098         selection->time.clear ();
2099         long ret = selection->set (s, e);
2100         commit_reversible_selection_op ();
2101         return ret;
2102 }