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.
1090  *
1091  *  This method is called from whenever we leave the canvas, either by moving
1092  *  the pointer out of it, or by popping up a context menu. See
1093  *  Editor::{entered,left}_track_canvas() for details there.
1094  */
1095 void
1096 Editor::sensitize_the_right_region_actions (bool because_canvas_crossing)
1097 {
1098         bool have_selection = false;
1099         bool have_entered = false;
1100         bool have_edit_point = false;
1101         RegionSelection rs;
1102
1103         if (!selection->regions.empty()) {
1104                 have_selection = true;
1105                 rs = selection->regions;
1106         }
1107
1108         if (entered_regionview) {
1109                 have_entered = true;
1110                 rs.add (entered_regionview);
1111         }
1112
1113         if (rs.empty() && !selection->tracks.empty()) {
1114
1115                 /* no selected regions, but some selected tracks. what we do
1116                  * here depends on the context in which we are called
1117                  */
1118
1119                 if (because_canvas_crossing) {
1120                         if (!within_track_canvas && _edit_point == EditAtMouse) {
1121                                 have_edit_point = false;
1122                         } else {
1123                                 RegionSelection at_edit_point;
1124                                 framepos_t const where = get_preferred_edit_position (Editing::EDIT_IGNORE_NONE, false, !within_track_canvas);
1125                                 get_regions_at (at_edit_point, where, selection->tracks);
1126                                 if (!at_edit_point.empty()) {
1127                                         have_edit_point = true;
1128                                 }
1129                                 if (rs.empty()) {
1130                                         rs.insert (rs.end(), at_edit_point.begin(), at_edit_point.end());
1131                                 }
1132                         }
1133                 }
1134         }
1135
1136         typedef std::map<std::string,RegionAction> RegionActionMap;
1137
1138         _ignore_region_action = true;
1139
1140         for (RegionActionMap::iterator x = region_action_map.begin(); x != region_action_map.end(); ++x) {
1141                 RegionActionTarget tgt = x->second.target;
1142                 bool sensitive = false;
1143
1144                 if ((tgt & SelectedRegions) && have_selection) {
1145                         sensitive = true;
1146                 } else if ((tgt & EnteredRegions) && have_entered) {
1147                         sensitive = true;
1148                 } else if ((tgt & EditPointRegions) && have_edit_point) {
1149                         sensitive = true;
1150                 }
1151
1152                 x->second.action->set_sensitive (sensitive);
1153         }
1154
1155         /* Look through the regions that are selected and make notes about what we have got */
1156
1157         bool have_audio = false;
1158         bool have_multichannel_audio = false;
1159         bool have_midi = false;
1160         bool have_locked = false;
1161         bool have_unlocked = false;
1162         bool have_video_locked = false;
1163         bool have_video_unlocked = false;
1164         bool have_position_lock_style_audio = false;
1165         bool have_position_lock_style_music = false;
1166         bool have_muted = false;
1167         bool have_unmuted = false;
1168         bool have_opaque = false;
1169         bool have_non_opaque = false;
1170         bool have_not_at_natural_position = false;
1171         bool have_envelope_active = false;
1172         bool have_envelope_inactive = false;
1173         bool have_non_unity_scale_amplitude = false;
1174         bool have_compound_regions = false;
1175         bool have_inactive_fade_in = false;
1176         bool have_inactive_fade_out = false;
1177         bool have_active_fade_in = false;
1178         bool have_active_fade_out = false;
1179         bool have_transients = false;
1180
1181         for (list<RegionView*>::const_iterator i = rs.begin(); i != rs.end(); ++i) {
1182
1183                 boost::shared_ptr<Region> r = (*i)->region ();
1184                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (r);
1185
1186                 if (ar) {
1187                         have_audio = true;
1188                         if (ar->n_channels() > 1) {
1189                                 have_multichannel_audio = true;
1190                         }
1191                 }
1192
1193                 if (boost::dynamic_pointer_cast<MidiRegion> (r)) {
1194                         have_midi = true;
1195                 }
1196
1197                 if (r->is_compound()) {
1198                         have_compound_regions = true;
1199                 }
1200
1201                 if (r->locked()) {
1202                         have_locked = true;
1203                 } else {
1204                         have_unlocked = true;
1205                 }
1206
1207                 if (r->video_locked()) {
1208                         have_video_locked = true;
1209                 } else {
1210                         have_video_unlocked = true;
1211                 }
1212
1213                 if (r->position_lock_style() == MusicTime) {
1214                         have_position_lock_style_music = true;
1215                 } else {
1216                         have_position_lock_style_audio = true;
1217                 }
1218
1219                 if (r->muted()) {
1220                         have_muted = true;
1221                 } else {
1222                         have_unmuted = true;
1223                 }
1224
1225                 if (r->opaque()) {
1226                         have_opaque = true;
1227                 } else {
1228                         have_non_opaque = true;
1229                 }
1230
1231                 if (!r->at_natural_position()) {
1232                         have_not_at_natural_position = true;
1233                 }
1234
1235                 if (r->has_transients ()){
1236                         have_transients = true;
1237                 }
1238
1239                 if (ar) {
1240                         if (ar->envelope_active()) {
1241                                 have_envelope_active = true;
1242                         } else {
1243                                 have_envelope_inactive = true;
1244                         }
1245
1246                         if (ar->scale_amplitude() != 1) {
1247                                 have_non_unity_scale_amplitude = true;
1248                         }
1249
1250                         if (ar->fade_in_active ()) {
1251                                 have_active_fade_in = true;
1252                         } else {
1253                                 have_inactive_fade_in = true;
1254                         }
1255
1256                         if (ar->fade_out_active ()) {
1257                                 have_active_fade_out = true;
1258                         } else {
1259                                 have_inactive_fade_out = true;
1260                         }
1261                 }
1262         }
1263
1264         _region_actions->get_action("split-region-at-transients")->set_sensitive (have_transients);
1265
1266         if (rs.size() > 1) {
1267                 _region_actions->get_action("show-region-list-editor")->set_sensitive (false);
1268                 _region_actions->get_action("show-region-properties")->set_sensitive (false);
1269                 _region_actions->get_action("rename-region")->set_sensitive (false);
1270                 if (have_audio) {
1271                         /* XXX need to check whether there is than 1 per
1272                            playlist, because otherwise this makes no sense.
1273                         */
1274                         _region_actions->get_action("combine-regions")->set_sensitive (true);
1275                 } else {
1276                         _region_actions->get_action("combine-regions")->set_sensitive (false);
1277                 }
1278         } else if (rs.size() == 1) {
1279                 _region_actions->get_action("add-range-markers-from-region")->set_sensitive (false);
1280                 _region_actions->get_action("close-region-gaps")->set_sensitive (false);
1281                 _region_actions->get_action("combine-regions")->set_sensitive (false);
1282         }
1283
1284         if (!have_multichannel_audio) {
1285                 _region_actions->get_action("split-multichannel-region")->set_sensitive (false);
1286         }
1287
1288         if (!have_midi) {
1289                 editor_menu_actions->get_action("RegionMenuMIDI")->set_sensitive (false);
1290                 _region_actions->get_action("show-region-list-editor")->set_sensitive (false);
1291                 _region_actions->get_action("quantize-region")->set_sensitive (false);
1292                 _region_actions->get_action("legatize-region")->set_sensitive (false);
1293                 _region_actions->get_action("remove-overlap")->set_sensitive (false);
1294                 _region_actions->get_action("transform-region")->set_sensitive (false);
1295                 _region_actions->get_action("fork-region")->set_sensitive (false);
1296                 _region_actions->get_action("insert-patch-change-context")->set_sensitive (false);
1297                 _region_actions->get_action("insert-patch-change")->set_sensitive (false);
1298                 _region_actions->get_action("transpose-region")->set_sensitive (false);
1299         } else {
1300                 editor_menu_actions->get_action("RegionMenuMIDI")->set_sensitive (true);
1301                 /* others were already marked sensitive */
1302         }
1303
1304         /* ok, moving along... */
1305
1306         if (have_compound_regions) {
1307                 _region_actions->get_action("uncombine-regions")->set_sensitive (true);
1308         } else {
1309                 _region_actions->get_action("uncombine-regions")->set_sensitive (false);
1310         }
1311
1312         if (have_audio) {
1313
1314                 if (have_envelope_active && !have_envelope_inactive) {
1315                         Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-gain-envelope-active"))->set_active ();
1316                 } else if (have_envelope_active && have_envelope_inactive) {
1317                         // Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-gain-envelope-active"))->set_inconsistent ();
1318                 }
1319
1320         } else {
1321
1322                 _region_actions->get_action("loudness-analyze-region")->set_sensitive (false);
1323                 _region_actions->get_action("spectral-analyze-region")->set_sensitive (false);
1324                 _region_actions->get_action("reset-region-gain-envelopes")->set_sensitive (false);
1325                 _region_actions->get_action("toggle-region-gain-envelope-active")->set_sensitive (false);
1326                 _region_actions->get_action("pitch-shift-region")->set_sensitive (false);
1327                 _region_actions->get_action("strip-region-silence")->set_sensitive (false);
1328                 _region_actions->get_action("show-rhythm-ferret")->set_sensitive (false);
1329
1330         }
1331
1332         if (!have_non_unity_scale_amplitude || !have_audio) {
1333                 _region_actions->get_action("reset-region-scale-amplitude")->set_sensitive (false);
1334         }
1335
1336         Glib::RefPtr<ToggleAction> a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-lock"));
1337         a->set_active (have_locked && !have_unlocked);
1338         if (have_locked && have_unlocked) {
1339                 // a->set_inconsistent ();
1340         }
1341
1342         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-video-lock"));
1343         a->set_active (have_video_locked && !have_video_unlocked);
1344         if (have_video_locked && have_video_unlocked) {
1345                 // a->set_inconsistent ();
1346         }
1347
1348         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-lock-style"));
1349         a->set_active (have_position_lock_style_music && !have_position_lock_style_audio);
1350
1351         vector<Widget*> proxies = a->get_proxies();
1352         for (vector<Widget*>::iterator p = proxies.begin(); p != proxies.end(); ++p) {
1353                 Gtk::CheckMenuItem* cmi = dynamic_cast<Gtk::CheckMenuItem*> (*p);
1354                 if (cmi) {
1355                         cmi->set_inconsistent (have_position_lock_style_music && have_position_lock_style_audio);
1356                 }
1357         }
1358
1359         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-mute"));
1360         a->set_active (have_muted && !have_unmuted);
1361         if (have_muted && have_unmuted) {
1362                 // a->set_inconsistent ();
1363         }
1364
1365         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-opaque-region"));
1366         a->set_active (have_opaque && !have_non_opaque);
1367         if (have_opaque && have_non_opaque) {
1368                 // a->set_inconsistent ();
1369         }
1370
1371         if (!have_not_at_natural_position) {
1372                 _region_actions->get_action("naturalize-region")->set_sensitive (false);
1373         }
1374
1375         /* XXX: should also check that there is a track of the appropriate type for the selected region */
1376         if (_edit_point == EditAtMouse || _regions->get_single_selection() == 0 || selection->tracks.empty()) {
1377                 _region_actions->get_action("insert-region-from-region-list")->set_sensitive (false);
1378         } else {
1379                 _region_actions->get_action("insert-region-from-region-list")->set_sensitive (true);
1380         }
1381
1382         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fade-in"));
1383         a->set_active (have_active_fade_in && !have_inactive_fade_in);
1384         if (have_active_fade_in && have_inactive_fade_in) {
1385                 // a->set_inconsistent ();
1386         }
1387
1388         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fade-out"));
1389         a->set_active (have_active_fade_out && !have_inactive_fade_out);
1390
1391         if (have_active_fade_out && have_inactive_fade_out) {
1392                 // a->set_inconsistent ();
1393         }
1394
1395         bool const have_active_fade = have_active_fade_in || have_active_fade_out;
1396         bool const have_inactive_fade = have_inactive_fade_in || have_inactive_fade_out;
1397
1398         a = Glib::RefPtr<ToggleAction>::cast_dynamic (_region_actions->get_action("toggle-region-fades"));
1399         a->set_active (have_active_fade && !have_inactive_fade);
1400
1401         if (have_active_fade && have_inactive_fade) {
1402                 // a->set_inconsistent ();
1403         }
1404
1405         _ignore_region_action = false;
1406
1407         _all_region_actions_sensitized = false;
1408 }
1409
1410 void
1411 Editor::region_selection_changed ()
1412 {
1413         _regions->block_change_connection (true);
1414         editor_regions_selection_changed_connection.block(true);
1415
1416         if (_region_selection_change_updates_region_list) {
1417                 _regions->unselect_all ();
1418         }
1419
1420         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1421                 (*i)->set_selected_regionviews (selection->regions);
1422         }
1423
1424         if (_region_selection_change_updates_region_list) {
1425                 _regions->set_selected (selection->regions);
1426         }
1427
1428         _regions->block_change_connection (false);
1429         editor_regions_selection_changed_connection.block(false);
1430
1431         sensitize_the_right_region_actions (false);
1432
1433         /* propagate into backend */
1434
1435         if (_session) {
1436                 if (!selection->regions.empty()) {
1437                         _session->set_object_selection (selection->regions.start(), selection->regions.end_frame());
1438                 } else {
1439                         _session->clear_object_selection ();
1440                 }
1441         }
1442
1443 }
1444
1445 void
1446 Editor::point_selection_changed ()
1447 {
1448         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1449                 (*i)->set_selected_points (selection->points);
1450         }
1451 }
1452
1453 void
1454 Editor::select_all_in_track (Selection::Operation op)
1455 {
1456         list<Selectable *> touched;
1457
1458         if (!clicked_routeview) {
1459                 return;
1460         }
1461
1462         begin_reversible_selection_op (X_("Select All in Track"));
1463
1464         clicked_routeview->get_selectables (0, max_framepos, 0, DBL_MAX, touched);
1465
1466         switch (op) {
1467         case Selection::Toggle:
1468                 selection->add (touched);
1469                 break;
1470         case Selection::Set:
1471                 selection->set (touched);
1472                 break;
1473         case Selection::Extend:
1474                 /* meaningless, because we're selecting everything */
1475                 break;
1476         case Selection::Add:
1477                 selection->add (touched);
1478                 break;
1479         }
1480
1481         commit_reversible_selection_op ();
1482 }
1483
1484 bool
1485 Editor::select_all_internal_edit (Selection::Operation)
1486 {
1487         bool selected = false;
1488
1489         for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1490                 MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1491                 if (mrv) {
1492                         mrv->select_all_notes ();
1493                         selected = true;
1494                 }
1495         }
1496
1497         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(entered_regionview);
1498         if (mrv) {
1499                 mrv->select_all_notes ();
1500                 selected = true;
1501         }
1502
1503         return selected;
1504 }
1505
1506 void
1507 Editor::select_all_objects (Selection::Operation op)
1508 {
1509         list<Selectable *> touched;
1510
1511         TrackViewList ts  = track_views;
1512
1513         if (internal_editing() && select_all_internal_edit(op)) {
1514                 return;  // Selected notes
1515         }
1516
1517         for (TrackViewList::iterator iter = ts.begin(); iter != ts.end(); ++iter) {
1518                 if ((*iter)->hidden()) {
1519                         continue;
1520                 }
1521                 (*iter)->get_selectables (0, max_framepos, 0, DBL_MAX, touched);
1522                 selection->add (*iter);
1523         }
1524
1525
1526         begin_reversible_selection_op (X_("select all"));
1527         switch (op) {
1528         case Selection::Add:
1529                 selection->add (touched);
1530                 break;
1531         case Selection::Toggle:
1532                 selection->add (touched);
1533                 break;
1534         case Selection::Set:
1535                 selection->set (touched);
1536                 break;
1537         case Selection::Extend:
1538                 /* meaningless, because we're selecting everything */
1539                 break;
1540         }
1541         commit_reversible_selection_op ();
1542 }
1543
1544 void
1545 Editor::invert_selection_in_track ()
1546 {
1547         list<Selectable *> touched;
1548
1549         if (!clicked_routeview) {
1550                 return;
1551         }
1552
1553         begin_reversible_selection_op (X_("Invert Selection in Track"));
1554         clicked_routeview->get_inverted_selectables (*selection, touched);
1555         selection->set (touched);
1556         commit_reversible_selection_op ();
1557 }
1558
1559 void
1560 Editor::invert_selection ()
1561 {
1562         list<Selectable *> touched;
1563
1564         if (internal_editing()) {
1565                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1566                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1567                         if (mrv) {
1568                                 mrv->invert_selection ();
1569                         }
1570                 }
1571                 return;
1572         }
1573
1574         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
1575                 if ((*iter)->hidden()) {
1576                         continue;
1577                 }
1578                 (*iter)->get_inverted_selectables (*selection, touched);
1579         }
1580
1581         begin_reversible_selection_op (X_("Invert Selection"));
1582         selection->set (touched);
1583         commit_reversible_selection_op ();
1584 }
1585
1586 /** @param start Start time in session frames.
1587  *  @param end End time in session frames.
1588  *  @param top Top (lower) y limit in trackview coordinates (ie 0 at the top of the track view)
1589  *  @param bottom Bottom (higher) y limit in trackview coordinates (ie 0 at the top of the track view)
1590  *  @param preserve_if_selected true to leave the current selection alone if we're adding to the selection and all of the selectables
1591  *  within the region are already selected.
1592  */
1593 void
1594 Editor::select_all_within (framepos_t start, framepos_t end, double top, double bot, const TrackViewList& tracklist, Selection::Operation op, bool preserve_if_selected)
1595 {
1596         list<Selectable*> found;
1597
1598         for (TrackViewList::const_iterator iter = tracklist.begin(); iter != tracklist.end(); ++iter) {
1599
1600                 if ((*iter)->hidden()) {
1601                         continue;
1602                 }
1603
1604                 (*iter)->get_selectables (start, end, top, bot, found);
1605         }
1606
1607         if (found.empty()) {
1608                 selection->clear_objects();
1609                 selection->clear_time ();
1610                 return;
1611         }
1612
1613         if (preserve_if_selected && op != Selection::Toggle) {
1614                 list<Selectable*>::iterator i = found.begin();
1615                 while (i != found.end() && (*i)->selected()) {
1616                         ++i;
1617                 }
1618
1619                 if (i == found.end()) {
1620                         return;
1621                 }
1622         }
1623
1624         begin_reversible_selection_op (X_("select all within"));
1625         switch (op) {
1626         case Selection::Add:
1627                 selection->add (found);
1628                 break;
1629         case Selection::Toggle:
1630                 selection->toggle (found);
1631                 break;
1632         case Selection::Set:
1633                 selection->set (found);
1634                 break;
1635         case Selection::Extend:
1636                 /* not defined yet */
1637                 break;
1638         }
1639
1640         commit_reversible_selection_op ();
1641 }
1642
1643 void
1644 Editor::set_selection_from_region ()
1645 {
1646         if (selection->regions.empty()) {
1647                 return;
1648         }
1649
1650         /* find all the tracks that have selected regions */
1651
1652         set<TimeAxisView*> tracks;
1653
1654         for (RegionSelection::const_iterator r = selection->regions.begin(); r != selection->regions.end(); ++r) {
1655                 tracks.insert (&(*r)->get_time_axis_view());
1656         }
1657
1658         TrackViewList tvl;
1659         tvl.insert (tvl.end(), tracks.begin(), tracks.end());
1660
1661         /* select range (this will clear the region selection) */
1662
1663         selection->set (selection->regions.start(), selection->regions.end_frame());
1664
1665         /* and select the tracks */
1666
1667         selection->set (tvl);
1668
1669         set_mouse_mode (Editing::MouseRange, false);
1670 }
1671
1672 void
1673 Editor::set_selection_from_punch()
1674 {
1675         Location* location;
1676
1677         if ((location = _session->locations()->auto_punch_location()) == 0)  {
1678                 return;
1679         }
1680
1681         set_selection_from_range (*location);
1682 }
1683
1684 void
1685 Editor::set_selection_from_loop()
1686 {
1687         Location* location;
1688
1689         if ((location = _session->locations()->auto_loop_location()) == 0)  {
1690                 return;
1691         }
1692         set_selection_from_range (*location);
1693 }
1694
1695 void
1696 Editor::set_selection_from_range (Location& loc)
1697 {
1698         begin_reversible_selection_op (X_("set selection from range"));
1699         selection->set (loc.start(), loc.end());
1700         commit_reversible_selection_op ();
1701
1702         set_mouse_mode (Editing::MouseRange, false);
1703 }
1704
1705 void
1706 Editor::select_all_selectables_using_time_selection ()
1707 {
1708         list<Selectable *> touched;
1709
1710         if (selection->time.empty()) {
1711                 return;
1712         }
1713
1714         framepos_t start = selection->time[clicked_selection].start;
1715         framepos_t end = selection->time[clicked_selection].end;
1716
1717         if (end - start < 1)  {
1718                 return;
1719         }
1720
1721         TrackViewList* ts;
1722
1723         if (selection->tracks.empty()) {
1724                 ts = &track_views;
1725         } else {
1726                 ts = &selection->tracks;
1727         }
1728
1729         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1730                 if ((*iter)->hidden()) {
1731                         continue;
1732                 }
1733                 (*iter)->get_selectables (start, end - 1, 0, DBL_MAX, touched);
1734         }
1735
1736         begin_reversible_selection_op (X_("select all from range"));
1737         selection->set (touched);
1738         commit_reversible_selection_op ();
1739 }
1740
1741
1742 void
1743 Editor::select_all_selectables_using_punch()
1744 {
1745         Location* location = _session->locations()->auto_punch_location();
1746         list<Selectable *> touched;
1747
1748         if (location == 0 || (location->end() - location->start() <= 1))  {
1749                 return;
1750         }
1751
1752
1753         TrackViewList* ts;
1754
1755         if (selection->tracks.empty()) {
1756                 ts = &track_views;
1757         } else {
1758                 ts = &selection->tracks;
1759         }
1760
1761         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1762                 if ((*iter)->hidden()) {
1763                         continue;
1764                 }
1765                 (*iter)->get_selectables (location->start(), location->end() - 1, 0, DBL_MAX, touched);
1766         }
1767         begin_reversible_selection_op (X_("select all from punch"));
1768         selection->set (touched);
1769         commit_reversible_selection_op ();
1770
1771 }
1772
1773 void
1774 Editor::select_all_selectables_using_loop()
1775 {
1776         Location* location = _session->locations()->auto_loop_location();
1777         list<Selectable *> touched;
1778
1779         if (location == 0 || (location->end() - location->start() <= 1))  {
1780                 return;
1781         }
1782
1783
1784         TrackViewList* ts;
1785
1786         if (selection->tracks.empty()) {
1787                 ts = &track_views;
1788         } else {
1789                 ts = &selection->tracks;
1790         }
1791
1792         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1793                 if ((*iter)->hidden()) {
1794                         continue;
1795                 }
1796                 (*iter)->get_selectables (location->start(), location->end() - 1, 0, DBL_MAX, touched);
1797         }
1798         begin_reversible_selection_op (X_("select all from loop"));
1799         selection->set (touched);
1800         commit_reversible_selection_op ();
1801
1802 }
1803
1804 void
1805 Editor::select_all_selectables_using_cursor (EditorCursor *cursor, bool after)
1806 {
1807         framepos_t start;
1808         framepos_t end;
1809         list<Selectable *> touched;
1810
1811         if (after) {
1812                 start = cursor->current_frame();
1813                 end = _session->current_end_frame();
1814         } else {
1815                 if (cursor->current_frame() > 0) {
1816                         start = 0;
1817                         end = cursor->current_frame() - 1;
1818                 } else {
1819                         return;
1820                 }
1821         }
1822
1823         if (internal_editing()) {
1824                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1825                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1826                         if (mrv) {
1827                                 mrv->select_range (start, end);
1828                         }
1829                 }
1830                 return;
1831         }
1832
1833         if (after) {
1834                 begin_reversible_selection_op (X_("select all after cursor"));
1835         } else {
1836                 begin_reversible_selection_op (X_("select all before cursor"));
1837         }
1838
1839         TrackViewList* ts;
1840
1841         if (selection->tracks.empty()) {
1842                 ts = &track_views;
1843         } else {
1844                 ts = &selection->tracks;
1845         }
1846
1847         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1848                 if ((*iter)->hidden()) {
1849                         continue;
1850                 }
1851                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched);
1852         }
1853         selection->set (touched);
1854         commit_reversible_selection_op ();
1855 }
1856
1857 void
1858 Editor::select_all_selectables_using_edit (bool after, bool from_context_menu)
1859 {
1860         framepos_t start;
1861         framepos_t end;
1862         list<Selectable *> touched;
1863
1864         if (after) {
1865                 start = get_preferred_edit_position(EDIT_IGNORE_NONE, from_context_menu);
1866                 end = _session->current_end_frame();
1867         } else {
1868                 if ((end = get_preferred_edit_position(EDIT_IGNORE_NONE, from_context_menu)) > 1) {
1869                         start = 0;
1870                         end -= 1;
1871                 } else {
1872                         return;
1873                 }
1874         }
1875
1876         if (internal_editing()) {
1877                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1878                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1879                         mrv->select_range (start, end);
1880                 }
1881                 return;
1882         }
1883
1884         if (after) {
1885                 begin_reversible_selection_op (X_("select all after edit"));
1886         } else {
1887                 begin_reversible_selection_op (X_("select all before edit"));
1888         }
1889
1890         TrackViewList* ts;
1891
1892         if (selection->tracks.empty()) {
1893                 ts = &track_views;
1894         } else {
1895                 ts = &selection->tracks;
1896         }
1897
1898         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1899                 if ((*iter)->hidden()) {
1900                         continue;
1901                 }
1902                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched);
1903         }
1904         selection->set (touched);
1905         commit_reversible_selection_op ();
1906 }
1907
1908 void
1909 Editor::select_all_selectables_between (bool within)
1910 {
1911         framepos_t start;
1912         framepos_t end;
1913         list<Selectable *> touched;
1914
1915         if (!get_edit_op_range (start, end)) {
1916                 return;
1917         }
1918
1919         if (internal_editing()) {
1920                 for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
1921                         MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(*i);
1922                         mrv->select_range (start, end);
1923                 }
1924                 return;
1925         }
1926
1927         TrackViewList* ts;
1928
1929         if (selection->tracks.empty()) {
1930                 ts = &track_views;
1931         } else {
1932                 ts = &selection->tracks;
1933         }
1934
1935         for (TrackViewList::iterator iter = ts->begin(); iter != ts->end(); ++iter) {
1936                 if ((*iter)->hidden()) {
1937                         continue;
1938                 }
1939                 (*iter)->get_selectables (start, end, 0, DBL_MAX, touched, within);
1940         }
1941
1942         begin_reversible_selection_op (X_("Select all Selectables Between"));
1943         selection->set (touched);
1944         commit_reversible_selection_op ();
1945 }
1946
1947 void
1948 Editor::select_range_between ()
1949 {
1950         framepos_t start;
1951         framepos_t end;
1952
1953         if ( !selection->time.empty() ) {
1954                 selection->clear_time ();
1955         }
1956
1957         if (!get_edit_op_range (start, end)) {
1958                 return;
1959         }
1960
1961         begin_reversible_selection_op (X_("Select Range Between"));
1962         set_mouse_mode (MouseRange);
1963         selection->set (start, end);
1964         commit_reversible_selection_op ();
1965 }
1966
1967 bool
1968 Editor::get_edit_op_range (framepos_t& start, framepos_t& end) const
1969 {
1970 //      framepos_t m;
1971 //      bool ignored;
1972
1973         /* if an explicit range exists, use it */
1974
1975         if ( (mouse_mode == MouseRange || get_smart_mode() ) &&  !selection->time.empty()) {
1976                 /* we know that these are ordered */
1977                 start = selection->time.start();
1978                 end = selection->time.end_frame();
1979                 return true;
1980         } else {
1981                 start = 0;
1982                 end = 0;
1983                 return false;
1984         }
1985
1986 //      if (!mouse_frame (m, ignored)) {
1987 //              /* mouse is not in a canvas, try playhead+selected marker.
1988 //                 this is probably most true when using menus.
1989 //              */
1990 //
1991 //              if (selection->markers.empty()) {
1992 //                      return false;
1993 //              }
1994
1995 //              start = selection->markers.front()->position();
1996 //              end = _session->audible_frame();
1997
1998 //      } else {
1999
2000 //              switch (_edit_point) {
2001 //              case EditAtPlayhead:
2002 //                      if (selection->markers.empty()) {
2003 //                              /* use mouse + playhead */
2004 //                              start = m;
2005 //                              end = _session->audible_frame();
2006 //                      } else {
2007 //                              /* use playhead + selected marker */
2008 //                              start = _session->audible_frame();
2009 //                              end = selection->markers.front()->position();
2010 //                      }
2011 //                      break;
2012
2013 //              case EditAtMouse:
2014 //                      /* use mouse + selected marker */
2015 //                      if (selection->markers.empty()) {
2016 //                              start = m;
2017 //                              end = _session->audible_frame();
2018 //                      } else {
2019 //                              start = selection->markers.front()->position();
2020 //                              end = m;
2021 //                      }
2022 //                      break;
2023
2024 //              case EditAtSelectedMarker:
2025 //                      /* use mouse + selected marker */
2026 //                      if (selection->markers.empty()) {
2027
2028 //                              MessageDialog win (_("No edit range defined"),
2029 //                                                 false,
2030 //                                                 MESSAGE_INFO,
2031 //                                                 BUTTONS_OK);
2032
2033 //                              win.set_secondary_text (
2034 //                                      _("the edit point is Selected Marker\nbut there is no selected marker."));
2035
2036
2037 //                              win.set_default_response (RESPONSE_CLOSE);
2038 //                              win.set_position (Gtk::WIN_POS_MOUSE);
2039 //                              win.show_all();
2040
2041 //                              win.run ();
2042
2043 //                              return false; // NO RANGE
2044 //                      }
2045 //                      start = selection->markers.front()->position();
2046 //                      end = m;
2047 //                      break;
2048 //              }
2049 //      }
2050
2051 //      if (start == end) {
2052 //              return false;
2053 //      }
2054
2055 //      if (start > end) {
2056 //              swap (start, end);
2057 //      }
2058
2059         /* turn range into one delimited by start...end,
2060            not start...end-1
2061         */
2062
2063 //      end++;
2064
2065 //      return true;
2066 }
2067
2068 void
2069 Editor::deselect_all ()
2070 {
2071         begin_reversible_selection_op (X_("Deselect All"));
2072         selection->clear ();
2073         commit_reversible_selection_op ();
2074 }
2075
2076 long
2077 Editor::select_range (framepos_t s, framepos_t e)
2078 {
2079         begin_reversible_selection_op (X_("Select Range"));
2080         selection->add (clicked_axisview);
2081         selection->time.clear ();
2082         long ret = selection->set (s, e);
2083         commit_reversible_selection_op ();
2084         return ret;
2085 }