gtk2_ardour/editor_route_groups.cc

   1 /*
   2     Copyright (C) 2000 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 <cstdlib>
  21 #include <cmath>
  22
  23 #include <gtkmm2ext/stop_signal.h>
  24 #include <gtkmm2ext/gtk_ui.h>
  25 #include "ardour/route_group.h"
  26
  27 #include "editor.h"
  28 #include "keyboard.h"
  29 #include "marker.h"
  30 #include "time_axis_view.h"
  31 #include "prompter.h"
  32 #include "gui_thread.h"
  33 #include "editor_group_tabs.h"
  34 #include "route_group_dialog.h"
  35 #include "route_time_axis.h"
  36 #include "editor_routes.h"
  37 #include "editor_route_groups.h"
  38
  39 #include "ardour/route.h"
  40 #include "ardour/session.h"
  41
  42 #include "i18n.h"
  43
  44 using namespace std;
  45 using namespace ARDOUR;
  46 using namespace PBD;
  47 using namespace Gtk;
  48 using Gtkmm2ext::Keyboard;
  49
  50 EditorRouteGroups::EditorRouteGroups (Editor* e)
  51         : EditorComponent (e),
  52           _menu (0),
  53           _in_row_change (false)
  54
  55 {
  56         _model = ListStore::create (_columns);
  57         _display.set_model (_model);
  58
  59         _display.append_column (_("Name"), _columns.text);
  60
  61         _display.append_column (_("G"), _columns.gain);
  62         _display.append_column (_("R"), _columns.record);
  63         _display.append_column (_("M"), _columns.mute);
  64         _display.append_column (_("S"), _columns.solo);
  65         _display.append_column (_("Sel"), _columns.select);
  66         _display.append_column (_("E"), _columns.edits);
  67
  68         _display.append_column (_("Show"), _columns.is_visible);
  69
  70         _display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
  71         _display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
  72         _display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
  73         _display.get_column (3)->set_data (X_("colnum"), GUINT_TO_POINTER(3));
  74         _display.get_column (4)->set_data (X_("colnum"), GUINT_TO_POINTER(4));
  75         _display.get_column (5)->set_data (X_("colnum"), GUINT_TO_POINTER(5));
  76         _display.get_column (6)->set_data (X_("colnum"), GUINT_TO_POINTER(6));
  77         _display.get_column (7)->set_data (X_("colnum"), GUINT_TO_POINTER(7));
  78
  79         _display.get_column (0)->set_expand (true);
  80         _display.get_column (1)->set_expand (false);
  81         _display.get_column (2)->set_expand (false);
  82         _display.get_column (3)->set_expand (false);
  83         _display.get_column (4)->set_expand (false);
  84         _display.get_column (5)->set_expand (false);
  85         _display.get_column (6)->set_expand (false);
  86         _display.get_column (7)->set_expand (false);
  87
  88         _display.set_headers_visible (true);
  89
  90         /* name is directly editable */
  91
  92         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(_display.get_column_cell_renderer (0));
  93         name_cell->property_editable() = true;
  94         name_cell->signal_edited().connect (sigc::mem_fun (*this, &EditorRouteGroups::name_edit));
  95
  96         /* use checkbox for the active + visible columns */
  97
  98         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(_display.get_column_cell_renderer (1));
  99         active_cell->property_activatable() = true;
 100         active_cell->property_radio() = false;
 101
 102         active_cell = dynamic_cast<CellRendererToggle*>(_display.get_column_cell_renderer (2));
 103         active_cell->property_activatable() = true;
 104         active_cell->property_radio() = false;
 105
 106         active_cell = dynamic_cast<CellRendererToggle*>(_display.get_column_cell_renderer (3));
 107         active_cell->property_activatable() = true;
 108         active_cell->property_radio() = false;
 109
 110         active_cell = dynamic_cast<CellRendererToggle*>(_display.get_column_cell_renderer (4));
 111         active_cell->property_activatable() = true;
 112         active_cell->property_radio() = false;
 113
 114         active_cell = dynamic_cast<CellRendererToggle*>(_display.get_column_cell_renderer (5));
 115         active_cell->property_activatable() = true;
 116         active_cell->property_radio() = false;
 117
 118         active_cell = dynamic_cast<CellRendererToggle*>(_display.get_column_cell_renderer (6));
 119         active_cell->property_activatable() = true;
 120         active_cell->property_radio() = false;
 121
 122         active_cell = dynamic_cast<CellRendererToggle*>(_display.get_column_cell_renderer (7));
 123         active_cell->property_activatable() = true;
 124         active_cell->property_radio() = false;
 125
 126         _model->signal_row_changed().connect (sigc::mem_fun (*this, &EditorRouteGroups::row_change));
 127
 128         _display.set_name ("EditGroupList");
 129         _display.get_selection()->set_mode (SELECTION_SINGLE);
 130         _display.set_headers_visible (true);
 131         _display.set_reorderable (false);
 132         _display.set_rules_hint (true);
 133         _display.set_size_request (75, -1);
 134
 135         _scroller.add (_display);
 136         _scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 137
 138         _display.signal_button_press_event().connect (sigc::mem_fun(*this, &EditorRouteGroups::button_press_event), false);
 139
 140         _display_packer = new VBox;
 141         HBox* button_box = manage (new HBox());
 142         button_box->set_homogeneous (true);
 143
 144         Button* add_button = manage (new Button ());
 145         Button* remove_button = manage (new Button ());
 146
 147         Widget* w;
 148
 149         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 150         w->show();
 151         add_button->add (*w);
 152
 153         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 154         w->show();
 155         remove_button->add (*w);
 156
 157         add_button->signal_clicked().connect (hide_return (sigc::mem_fun (*this, &EditorRouteGroups::new_route_group)));
 158         remove_button->signal_clicked().connect (sigc::mem_fun (*this, &EditorRouteGroups::remove_selected));
 159
 160         button_box->pack_start (*add_button);
 161         button_box->pack_start (*remove_button);
 162
 163         _display_packer->pack_start (_scroller, true, true);
 164         _display_packer->pack_start (*button_box, false, false);
 165 }
 166
 167
 168 Gtk::Menu*
 169 EditorRouteGroups::menu (RouteGroup* g)
 170 {
 171         using namespace Gtk::Menu_Helpers;
 172
 173         delete _menu;
 174
 175         Menu* new_from = new Menu;
 176         MenuList& f = new_from->items ();
 177         f.push_back (MenuElem (_("Selection..."), sigc::mem_fun (*this, &EditorRouteGroups::new_from_selection)));
 178         f.push_back (MenuElem (_("Record Enabled..."), sigc::mem_fun (*this, &EditorRouteGroups::new_from_rec_enabled)));
 179         f.push_back (MenuElem (_("Soloed..."), sigc::mem_fun (*this, &EditorRouteGroups::new_from_soloed)));
 180
 181         _menu = new Menu;
 182         _menu->set_name ("ArdourContextMenu");
 183         MenuList& items = _menu->items();
 184
 185         items.push_back (MenuElem (_("New..."), hide_return (sigc::mem_fun(*this, &EditorRouteGroups::new_route_group))));
 186         items.push_back (MenuElem (_("New From"), *new_from));
 187         if (g) {
 188                 items.push_back (MenuElem (_("Edit..."), sigc::bind (sigc::mem_fun (*this, &EditorRouteGroups::edit), g)));
 189                 items.push_back (MenuElem (_("Fit to Window"), sigc::bind (sigc::mem_fun (*_editor, &Editor::fit_route_group), g)));
 190                 items.push_back (MenuElem (_("Subgroup"), sigc::bind (sigc::mem_fun (*this, &EditorRouteGroups::subgroup), g)));
 191                 items.push_back (MenuElem (_("Collect"), sigc::bind (sigc::mem_fun (*this, &EditorRouteGroups::collect), g)));
 192         }
 193         items.push_back (SeparatorElem());
 194         items.push_back (MenuElem (_("Activate All"), sigc::mem_fun(*this, &EditorRouteGroups::activate_all)));
 195         items.push_back (MenuElem (_("Disable All"), sigc::mem_fun(*this, &EditorRouteGroups::disable_all)));
 196
 197         return _menu;
 198 }
 199
 200 void
 201 EditorRouteGroups::subgroup (RouteGroup* g)
 202 {
 203         g->make_subgroup ();
 204 }
 205
 206 void
 207 EditorRouteGroups::unsubgroup (RouteGroup* g)
 208 {
 209         g->destroy_subgroup ();
 210 }
 211
 212 void
 213 EditorRouteGroups::activate_all ()
 214 {
 215         _session->foreach_route_group (
 216                 sigc::bind (sigc::mem_fun (*this, &EditorRouteGroups::set_activation), true)
 217                 );
 218 }
 219
 220 void
 221 EditorRouteGroups::disable_all ()
 222 {
 223         _session->foreach_route_group (
 224                 sigc::bind (sigc::mem_fun (*this, &EditorRouteGroups::set_activation), false)
 225                 );
 226 }
 227
 228 void
 229 EditorRouteGroups::set_activation (RouteGroup* g, bool a)
 230 {
 231         g->set_active (a, this);
 232 }
 233
 234 ARDOUR::RouteGroup *
 235 EditorRouteGroups::new_route_group () const
 236 {
 237         PropertyList plist;
 238
 239         plist.add (Properties::active, true);
 240         plist.add (Properties::mute, true);
 241         plist.add (Properties::solo, true);
 242         plist.add (Properties::edit, true);
 243
 244         RouteGroup* g = new RouteGroup (*_session, "");
 245
 246         g->set_properties (plist);
 247
 248         RouteGroupDialog d (g, Gtk::Stock::NEW);
 249         int const r = d.do_run ();
 250
 251         if (r != Gtk::RESPONSE_OK) {
 252                 delete g;
 253                 return 0;
 254         }
 255
 256         _session->add_route_group (g);
 257         return g;
 258 }
 259 void
 260 EditorRouteGroups::run_new_group_dialog (const RouteList& rl)
 261 {
 262         PropertyList plist;
 263
 264         plist.add (Properties::active, true);
 265         plist.add (Properties::mute, true);
 266         plist.add (Properties::solo, true);
 267         plist.add (Properties::recenable, true);
 268         plist.add (Properties::edit, true);
 269
 270         RouteGroup* g = new RouteGroup (*_session, "");
 271         g->set_properties (plist);
 272
 273         RouteGroupDialog d (g, Gtk::Stock::NEW);
 274         int const r = d.do_run ();
 275
 276         switch (r) {
 277         case Gtk::RESPONSE_OK:
 278         case Gtk::RESPONSE_ACCEPT:
 279                 _session->add_route_group (g);
 280                 for (RouteList::const_iterator i = rl.begin(); i != rl.end(); ++i) {
 281                         g->add (*i);
 282                 }
 283                 break;
 284         default:
 285                 delete g;
 286         }
 287 }
 288
 289 void
 290 EditorRouteGroups::new_from_selection ()
 291 {
 292         if (_editor->get_selection().tracks.empty()) {
 293                 return;
 294         }
 295
 296         RouteList rl;
 297
 298         for (TrackSelection::iterator i = _editor->get_selection().tracks.begin(); i != _editor->get_selection().tracks.end(); ++i) {
 299                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
 300                 if (rtv) {
 301                         rl.push_back (rtv->route());
 302                 }
 303         }
 304
 305         if (rl.empty()) {
 306                 return;
 307         }
 308
 309         run_new_group_dialog (rl);
 310 }
 311
 312 void
 313 EditorRouteGroups::new_from_rec_enabled ()
 314 {
 315         RouteList rl;
 316
 317         for (TrackViewList::const_iterator i = _editor->get_track_views().begin(); i != _editor->get_track_views().end(); ++i) {
 318                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
 319                 if (rtv && rtv->route()->record_enabled()) {
 320                         rl.push_back (rtv->route());
 321                 }
 322         }
 323
 324         if (rl.empty()) {
 325                 return;
 326         }
 327
 328         run_new_group_dialog (rl);
 329 }
 330
 331 void
 332 EditorRouteGroups::new_from_soloed ()
 333 {
 334         RouteList rl;
 335
 336         for (TrackViewList::const_iterator i = _editor->get_track_views().begin(); i != _editor->get_track_views().end(); ++i) {
 337                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
 338                 if (rtv && !rtv->route()->is_master() && rtv->route()->soloed()) {
 339                         rl.push_back (rtv->route());
 340                 }
 341         }
 342
 343         if (rl.empty()) {
 344                 return;
 345         }
 346
 347         run_new_group_dialog (rl);
 348 }
 349
 350 void
 351 EditorRouteGroups::edit (RouteGroup* g)
 352 {
 353         RouteGroupDialog d (g, Gtk::Stock::APPLY);
 354         d.do_run ();
 355 }
 356
 357 void
 358 EditorRouteGroups::remove_selected ()
 359 {
 360         Glib::RefPtr<TreeSelection> selection = _display.get_selection();
 361         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
 362
 363         if (rows.empty()) {
 364                 return;
 365         }
 366
 367         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
 368         TreeIter iter;
 369
 370         /* selection mode is single, so rows.begin() is it */
 371
 372         if ((iter = _model->get_iter (*i))) {
 373
 374                 RouteGroup* rg = (*iter)[_columns.routegroup];
 375
 376                 if (rg) {
 377                         _session->remove_route_group (*rg);
 378                 }
 379         }
 380 }
 381
 382 void
 383 EditorRouteGroups::button_clicked ()
 384 {
 385         new_route_group ();
 386 }
 387
 388 gint
 389 EditorRouteGroups::button_press_event (GdkEventButton* ev)
 390 {
 391         TreeModel::Path path;
 392         TreeIter iter;
 393         RouteGroup* group = 0;
 394         TreeViewColumn* column;
 395         int cellx;
 396         int celly;
 397
 398         bool const p = _display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly);
 399
 400         if (p) {
 401                 iter = _model->get_iter (path);
 402         }
 403
 404         if (iter) {
 405                 group = (*iter)[_columns.routegroup];
 406         }
 407
 408         if (Keyboard::is_context_menu_event (ev)) {
 409                 menu(group)->popup (1, ev->time);
 410                 return true;
 411         }
 412
 413         if (!p) {
 414                 return 1;
 415         }
 416
 417         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
 418         case 0:
 419                 if (Keyboard::is_edit_event (ev)) {
 420                         if ((iter = _model->get_iter (path))) {
 421                                 if ((group = (*iter)[_columns.routegroup]) != 0) {
 422                                         // edit_route_group (group);
 423 #ifdef GTKOSX
 424                                         _display.queue_draw();
 425 #endif
 426                                         return true;
 427                                 }
 428                         }
 429
 430                 }
 431                 break;
 432
 433         case 1:
 434                 if ((iter = _model->get_iter (path))) {
 435                         bool gain = (*iter)[_columns.gain];
 436                         (*iter)[_columns.gain] = !gain;
 437 #ifdef GTKOSX
 438                         _display.queue_draw();
 439 #endif
 440                         return true;
 441                 }
 442                 break;
 443
 444         case 2:
 445                 if ((iter = _model->get_iter (path))) {
 446                         bool record = (*iter)[_columns.record];
 447                         (*iter)[_columns.record] = !record;
 448 #ifdef GTKOSX
 449                         _display.queue_draw();
 450 #endif
 451                         return true;
 452                 }
 453                 break;
 454
 455         case 3:
 456                 if ((iter = _model->get_iter (path))) {
 457                         bool mute = (*iter)[_columns.mute];
 458                         (*iter)[_columns.mute] = !mute;
 459 #ifdef GTKOSX
 460                         _display.queue_draw();
 461 #endif
 462                         return true;
 463                 }
 464                 break;
 465
 466         case 4:
 467                 if ((iter = _model->get_iter (path))) {
 468                         bool solo = (*iter)[_columns.solo];
 469                         (*iter)[_columns.solo] = !solo;
 470 #ifdef GTKOSX
 471                         _display.queue_draw();
 472 #endif
 473                         return true;
 474                 }
 475                 break;
 476
 477         case 5:
 478                 if ((iter = _model->get_iter (path))) {
 479                         bool select = (*iter)[_columns.select];
 480                         (*iter)[_columns.select] = !select;
 481 #ifdef GTKOSX
 482                         _display.queue_draw();
 483 #endif
 484                         return true;
 485                 }
 486                 break;
 487
 488         case 6:
 489                 if ((iter = _model->get_iter (path))) {
 490                         bool edits = (*iter)[_columns.edits];
 491                         (*iter)[_columns.edits] = !edits;
 492 #ifdef GTKOSX
 493                         _display.queue_draw();
 494 #endif
 495                         return true;
 496                 }
 497                 break;
 498
 499         case 7:
 500                 if ((iter = _model->get_iter (path))) {
 501                         bool visible = (*iter)[_columns.is_visible];
 502                         (*iter)[_columns.is_visible] = !visible;
 503 #ifdef GTKOSX
 504                         _display.queue_draw();
 505 #endif
 506                         return true;
 507                 }
 508                 break;
 509
 510         default:
 511                 break;
 512         }
 513
 514         return false;
 515  }
 516
 517 void
 518 EditorRouteGroups::row_change (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator& iter)
 519 {
 520         RouteGroup* group;
 521
 522         if (_in_row_change) {
 523                 return;
 524         }
 525
 526         if ((group = (*iter)[_columns.routegroup]) == 0) {
 527                 return;
 528         }
 529
 530         if ((*iter)[_columns.is_visible]) {
 531                 for (TrackViewList::const_iterator j = _editor->get_track_views().begin(); j != _editor->get_track_views().end(); ++j) {
 532                         if ((*j)->route_group() == group) {
 533                                 _editor->_routes->show_track_in_display (**j);
 534                         }
 535                 }
 536         } else {
 537                 for (TrackViewList::const_iterator j = _editor->get_track_views().begin(); j != _editor->get_track_views().end(); ++j) {
 538                         if ((*j)->route_group() == group) {
 539                                 _editor->hide_track_in_display (*j);
 540                         }
 541                 }
 542         }
 543
 544         PropertyList plist;
 545         bool val = (*iter)[_columns.gain];
 546         plist.add (Properties::gain, val);
 547         val = (*iter)[_columns.record];
 548         plist.add (Properties::recenable, val);
 549         val = (*iter)[_columns.mute];
 550         plist.add (Properties::mute, val);
 551         val = (*iter)[_columns.solo];
 552         plist.add (Properties::solo, val);
 553         val = (*iter)[_columns.select];
 554         plist.add (Properties::select, val);
 555         val = (*iter)[_columns.edits];
 556         plist.add (Properties::edit, val);
 557         plist.add (Properties::name, string ((*iter)[_columns.text]));
 558
 559         group->set_hidden (!(*iter)[_columns.is_visible], this);
 560
 561         group->set_properties (plist);
 562 }
 563
 564 void
 565 EditorRouteGroups::add (RouteGroup* group)
 566 {
 567         ENSURE_GUI_THREAD (*this, &EditorRouteGroups::add, group)
 568         bool focus = false;
 569
 570         TreeModel::Row row = *(_model->append());
 571
 572         row[_columns.is_visible] = !group->is_hidden();
 573         row[_columns.gain] = group->is_gain ();
 574         row[_columns.record] = group->is_recenable();
 575         row[_columns.mute] = group->is_mute ();
 576         row[_columns.solo] = group->is_solo ();
 577         row[_columns.select] = group->is_select ();
 578         row[_columns.edits] = group->is_edit ();
 579
 580         _in_row_change = true;
 581
 582         row[_columns.routegroup] = group;
 583
 584         if (!group->name().empty()) {
 585                 row[_columns.text] = group->name();
 586         } else {
 587                 row[_columns.text] = _("unnamed");
 588                 focus = true;
 589         }
 590
 591         group->PropertyChanged.connect (property_changed_connection, MISSING_INVALIDATOR, ui_bind (&EditorRouteGroups::property_changed, this, group, _1), gui_context());
 592
 593         if (focus) {
 594                 TreeViewColumn* col = _display.get_column (0);
 595                 CellRendererText* name_cell = dynamic_cast<CellRendererText*>(_display.get_column_cell_renderer (0));
 596                 _display.set_cursor (_model->get_path (row), *col, *name_cell, true);
 597         }
 598
 599         _in_row_change = false;
 600
 601         _editor->_group_tabs->set_dirty ();
 602 }
 603
 604 void
 605 EditorRouteGroups::groups_changed ()
 606 {
 607         ENSURE_GUI_THREAD (*this, &EditorRouteGroups::groups_changed)
 608
 609         /* just rebuild the while thing */
 610
 611         _model->clear ();
 612
 613         {
 614                 TreeModel::Row row;
 615                 row = *(_model->append());
 616                 row[_columns.is_visible] = true;
 617                 row[_columns.text] = (_("-all-"));
 618                 row[_columns.routegroup] = 0;
 619         }
 620
 621         if (_session) {
 622                 _session->foreach_route_group (sigc::mem_fun (*this, &EditorRouteGroups::add));
 623         }
 624 }
 625
 626 void
 627 EditorRouteGroups::property_changed (RouteGroup* group, const PropertyChange& change)
 628 {
 629         _in_row_change = true;
 630
 631         Gtk::TreeModel::Children children = _model->children();
 632
 633         for(Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
 634                 if (group == (*iter)[_columns.routegroup]) {
 635                         (*iter)[_columns.is_visible] = !group->is_hidden();
 636                         (*iter)[_columns.text] = group->name();
 637                         (*iter)[_columns.gain] = group->is_gain ();
 638                         (*iter)[_columns.record] = group->is_recenable ();
 639                         (*iter)[_columns.mute] = group->is_mute ();
 640                         (*iter)[_columns.solo] = group->is_solo ();
 641                         (*iter)[_columns.select] = group->is_select ();
 642                         (*iter)[_columns.edits] = group->is_edit ();
 643                 }
 644         }
 645
 646         _in_row_change = false;
 647
 648         if (change.contains (Properties::name) || change.contains (Properties::active)) {
 649                 _editor->_group_tabs->set_dirty ();
 650         }
 651 }
 652
 653 void
 654 EditorRouteGroups::name_edit (const Glib::ustring& path, const Glib::ustring& new_text)
 655 {
 656         RouteGroup* group;
 657         TreeIter iter;
 658
 659         if ((iter = _model->get_iter (path))) {
 660
 661                 if ((group = (*iter)[_columns.routegroup]) == 0) {
 662                         return;
 663                 }
 664
 665                 if (new_text != group->name()) {
 666                         group->set_name (new_text);
 667                 }
 668         }
 669 }
 670
 671 void
 672 EditorRouteGroups::clear ()
 673 {
 674         _display.set_model (Glib::RefPtr<Gtk::TreeStore> (0));
 675         _model->clear ();
 676         _display.set_model (_model);
 677 }
 678
 679 void
 680 EditorRouteGroups::set_session (Session* s)
 681 {
 682         EditorComponent::set_session (s);
 683
 684         if (_session) {
 685                 _session->route_group_added.connect (_session_connections, MISSING_INVALIDATOR, ui_bind (&EditorRouteGroups::add, this, _1), gui_context());
 686                 _session->route_group_removed.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&EditorRouteGroups::groups_changed, this), gui_context());
 687         }
 688
 689         groups_changed ();
 690 }
 691
 692 struct CollectSorter {
 693     bool operator () (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
 694                 return a->order_key (N_ ("editor")) < b->order_key (N_ ("editor"));
 695         }
 696 };
 697
 698 /** Collect all members of a RouteGroup so that they are together in the Editor.
 699  *  @param g Group to collect.
 700  */
 701 void
 702 EditorRouteGroups::collect (RouteGroup* g)
 703 {
 704         boost::shared_ptr<RouteList> routes = g->route_list ();
 705         routes->sort (CollectSorter ());
 706         int const N = routes->size ();
 707
 708         RouteList::iterator i = routes->begin ();
 709         TrackViewList::const_iterator j = _editor->get_track_views().begin();
 710
 711         int diff = 0;
 712         int coll = -1;
 713         while (i != routes->end() && j != _editor->get_track_views().end()) {
 714
 715                 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*j);
 716                 if (rtv) {
 717
 718                         boost::shared_ptr<Route> r = rtv->route ();
 719                         int const k = r->order_key (N_ ("editor"));
 720
 721                         if (*i == r) {
 722
 723                                 if (coll == -1) {
 724                                         coll = k;
 725                                         diff = N - 1;
 726                                 } else {
 727                                         --diff;
 728                                 }
 729
 730                                 r->set_order_key (N_ ("editor"), coll);
 731
 732                                 ++coll;
 733                                 ++i;
 734
 735                         } else {
 736
 737                                 r->set_order_key (N_ ("editor"), k + diff);
 738
 739                         }
 740                 }
 741
 742                 ++j;
 743         }
 744
 745         _editor->_routes->sync_order_keys ("");
 746 }