gtk2_ardour/mixer_ui.cc

   1 /*
   2     Copyright (C) 2000-2004 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 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <algorithm>
  25 #include <map>
  26 #include <sigc++/bind.h>
  27
  28 #include <gtkmm/accelmap.h>
  29
  30 #include "pbd/convert.h"
  31 #include "pbd/stacktrace.h"
  32 #include "pbd/unwind.h"
  33
  34 #include <glibmm/threads.h>
  35
  36 #include <gtkmm2ext/gtk_ui.h>
  37 #include <gtkmm2ext/keyboard.h>
  38 #include <gtkmm2ext/utils.h>
  39 #include <gtkmm2ext/tearoff.h>
  40 #include <gtkmm2ext/window_title.h>
  41 #include <gtkmm2ext/doi.h>
  42
  43 #include "ardour/amp.h"
  44 #include "ardour/debug.h"
  45 #include "ardour/midi_track.h"
  46 #include "ardour/plugin_manager.h"
  47 #include "ardour/route_group.h"
  48 #include "ardour/route_sorters.h"
  49 #include "ardour/session.h"
  50 #include "ardour/vca.h"
  51 #include "ardour/vca_manager.h"
  52
  53 #include "keyboard.h"
  54 #include "mixer_ui.h"
  55 #include "mixer_strip.h"
  56 #include "monitor_section.h"
  57 #include "plugin_selector.h"
  58 #include "public_editor.h"
  59 #include "ardour_ui.h"
  60 #include "prompter.h"
  61 #include "utils.h"
  62 #include "route_sorter.h"
  63 #include "actions.h"
  64 #include "gui_thread.h"
  65 #include "mixer_group_tabs.h"
  66 #include "timers.h"
  67 #include "ui_config.h"
  68 #include "vca_master_strip.h"
  69
  70 #include "i18n.h"
  71
  72 using namespace ARDOUR;
  73 using namespace ARDOUR_UI_UTILS;
  74 using namespace PBD;
  75 using namespace Gtk;
  76 using namespace Glib;
  77 using namespace Gtkmm2ext;
  78 using namespace std;
  79
  80 using PBD::atoi;
  81 using PBD::Unwinder;
  82
  83 Mixer_UI* Mixer_UI::_instance = 0;
  84
  85 Mixer_UI*
  86 Mixer_UI::instance ()
  87 {
  88         if (!_instance) {
  89                 _instance  = new Mixer_UI;
  90         }
  91
  92         return _instance;
  93 }
  94
  95 Mixer_UI::Mixer_UI ()
  96         : Tabbable (_content, _("Mixer"))
  97         , no_track_list_redisplay (false)
  98         , in_group_row_change (false)
  99         , track_menu (0)
 100         , _monitor_section (0)
 101         , _plugin_selector (0)
 102         , _strip_width (UIConfiguration::instance().get_default_narrow_ms() ? Narrow : Wide)
 103         , ignore_reorder (false)
 104         , _in_group_rebuild_or_clear (false)
 105         , _route_deletion_in_progress (false)
 106         , _following_editor_selection (false)
 107         , _maximised (false)
 108         , _show_mixer_list (true)
 109 {
 110         Route::SyncOrderKeys.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::sync_treeview_from_order_keys, this), gui_context());
 111
 112         /* bindings was already set in MixerActor constructor */
 113
 114         _content.set_data ("ardour-bindings", bindings);
 115
 116         scroller.set_can_default (true);
 117         // set_default (scroller);
 118
 119         scroller_base.set_flags (Gtk::CAN_FOCUS);
 120         scroller_base.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 121         scroller_base.set_name ("MixerWindow");
 122         scroller_base.signal_button_release_event().connect (sigc::mem_fun(*this, &Mixer_UI::strip_scroller_button_release));
 123
 124         /* set up drag-n-drop */
 125         vector<TargetEntry> target_table;
 126         target_table.push_back (TargetEntry ("PluginFavoritePtr"));
 127         scroller_base.drag_dest_set (target_table);
 128         scroller_base.signal_drag_data_received().connect (sigc::mem_fun(*this, &Mixer_UI::scroller_drag_data_received));
 129
 130         // add as last item of strip packer
 131         strip_packer.pack_end (scroller_base, true, true);
 132
 133         _group_tabs = new MixerGroupTabs (this);
 134         VBox* b = manage (new VBox);
 135         b->pack_start (*_group_tabs, PACK_SHRINK);
 136         b->pack_start (strip_packer);
 137         b->show_all ();
 138
 139         scroller.add (*b);
 140         scroller.set_policy (Gtk::POLICY_ALWAYS, Gtk::POLICY_AUTOMATIC);
 141
 142         setup_track_display ();
 143
 144         group_model = ListStore::create (group_columns);
 145         group_display.set_model (group_model);
 146         group_display.append_column (_("Group"), group_columns.text);
 147         group_display.append_column (_("Show"), group_columns.visible);
 148         group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 149         group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 150         group_display.get_column (0)->set_expand(true);
 151         group_display.get_column (1)->set_expand(false);
 152         group_display.set_name ("EditGroupList");
 153         group_display.get_selection()->set_mode (Gtk::SELECTION_SINGLE);
 154         group_display.set_reorderable (true);
 155         group_display.set_headers_visible (true);
 156         group_display.set_rules_hint (true);
 157         group_display.set_can_focus(false);
 158
 159         /* name is directly editable */
 160
 161         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(group_display.get_column_cell_renderer (0));
 162         name_cell->property_editable() = true;
 163         name_cell->signal_edited().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_name_edit));
 164
 165         /* use checkbox for the active column */
 166
 167         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(group_display.get_column_cell_renderer (1));
 168         active_cell->property_activatable() = true;
 169         active_cell->property_radio() = false;
 170
 171         group_model->signal_row_changed().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_row_change));
 172         /* We use this to notice drag-and-drop reorders of the group list */
 173         group_model->signal_row_deleted().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_row_deleted));
 174         group_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::group_display_button_press), false);
 175
 176         group_display_scroller.add (group_display);
 177         group_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 178
 179         HBox* route_group_display_button_box = manage (new HBox());
 180
 181         Button* route_group_add_button = manage (new Button ());
 182         Button* route_group_remove_button = manage (new Button ());
 183
 184         Widget* w;
 185
 186         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 187         w->show();
 188         route_group_add_button->add (*w);
 189
 190         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 191         w->show();
 192         route_group_remove_button->add (*w);
 193
 194         route_group_display_button_box->set_homogeneous (true);
 195
 196         route_group_add_button->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::new_route_group));
 197         route_group_remove_button->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::remove_selected_route_group));
 198
 199         route_group_display_button_box->add (*route_group_add_button);
 200         route_group_display_button_box->add (*route_group_remove_button);
 201
 202         group_display_vbox.pack_start (group_display_scroller, true, true);
 203         group_display_vbox.pack_start (*route_group_display_button_box, false, false);
 204
 205         group_display_frame.set_name ("BaseFrame");
 206         group_display_frame.set_shadow_type (Gtk::SHADOW_IN);
 207         group_display_frame.add (group_display_vbox);
 208
 209
 210         list<TargetEntry> target_list;
 211         target_list.push_back (TargetEntry ("PluginPresetPtr"));
 212
 213         favorite_plugins_model = PluginTreeStore::create (favorite_plugins_columns);
 214         favorite_plugins_display.set_model (favorite_plugins_model);
 215         favorite_plugins_display.append_column (_("Favorite Plugins"), favorite_plugins_columns.name);
 216         favorite_plugins_display.set_name ("EditGroupList");
 217         favorite_plugins_display.get_selection()->set_mode (Gtk::SELECTION_SINGLE);
 218         favorite_plugins_display.set_reorderable (false);
 219         favorite_plugins_display.set_headers_visible (true);
 220         favorite_plugins_display.set_rules_hint (true);
 221         favorite_plugins_display.set_can_focus (false);
 222         favorite_plugins_display.add_object_drag (favorite_plugins_columns.plugin.index(), "PluginFavoritePtr");
 223         favorite_plugins_display.set_drag_column (favorite_plugins_columns.name.index());
 224         favorite_plugins_display.add_drop_targets (target_list);
 225         favorite_plugins_display.signal_row_activated().connect (sigc::mem_fun (*this, &Mixer_UI::plugin_row_activated));
 226         favorite_plugins_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::plugin_row_button_press), false);
 227         favorite_plugins_display.signal_drop.connect (sigc::mem_fun (*this, &Mixer_UI::plugin_drop));
 228         favorite_plugins_display.signal_row_expanded().connect (sigc::mem_fun (*this, &Mixer_UI::save_favorite_ui_state));
 229         favorite_plugins_display.signal_row_collapsed().connect (sigc::mem_fun (*this, &Mixer_UI::save_favorite_ui_state));
 230         favorite_plugins_model->signal_row_has_child_toggled().connect (sigc::mem_fun (*this, &Mixer_UI::sync_treeview_favorite_ui_state));
 231
 232         favorite_plugins_scroller.add (favorite_plugins_display);
 233         favorite_plugins_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 234
 235         favorite_plugins_frame.set_name ("BaseFrame");
 236         favorite_plugins_frame.set_shadow_type (Gtk::SHADOW_IN);
 237         favorite_plugins_frame.add (favorite_plugins_scroller);
 238
 239         rhs_pane1.pack1 (favorite_plugins_frame, false, true);
 240         rhs_pane1.pack2 (track_display_frame);
 241         rhs_pane2.pack1 (rhs_pane1);
 242         rhs_pane2.pack2 (group_display_frame);
 243
 244         list_vpacker.pack_start (rhs_pane2, true, true);
 245
 246         global_hpacker.pack_start (scroller, true, true);
 247         global_hpacker.pack_start (vca_packer, false, false);
 248         global_hpacker.pack_start (out_packer, false, false);
 249
 250         list_hpane.pack1(list_vpacker, false, true);
 251         list_hpane.pack2(global_hpacker, true, false);
 252
 253         rhs_pane1.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::pane_allocation_handler),
 254                                                         static_cast<Gtk::Paned*> (&rhs_pane1)));
 255         rhs_pane2.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::pane_allocation_handler),
 256                                                         static_cast<Gtk::Paned*> (&rhs_pane2)));
 257         list_hpane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::pane_allocation_handler),
 258                                                          static_cast<Gtk::Paned*> (&list_hpane)));
 259
 260         _content.pack_start (list_hpane, true, true);
 261
 262         update_title ();
 263
 264         route_group_display_button_box->show();
 265         route_group_add_button->show();
 266         route_group_remove_button->show();
 267
 268         _content.show ();
 269         _content.set_name ("MixerWindow");
 270
 271         global_hpacker.show();
 272         scroller.show();
 273         scroller_base.show();
 274         scroller_hpacker.show();
 275         mixer_scroller_vpacker.show();
 276         list_vpacker.show();
 277         group_display_button_label.show();
 278         group_display_button.show();
 279         group_display_scroller.show();
 280         favorite_plugins_scroller.show();
 281         group_display_vbox.show();
 282         group_display_frame.show();
 283         favorite_plugins_frame.show();
 284         rhs_pane1.show();
 285         rhs_pane2.show();
 286         strip_packer.show();
 287         vca_packer.show();
 288         out_packer.show();
 289         list_hpane.show();
 290         group_display.show();
 291         favorite_plugins_display.show();
 292
 293         MixerStrip::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::remove_strip, this, _1), gui_context());
 294
 295 #ifndef DEFER_PLUGIN_SELECTOR_LOAD
 296         _plugin_selector = new PluginSelector (PluginManager::instance ());
 297 #else
 298 #error implement deferred Plugin-Favorite list
 299 #endif
 300         PluginManager::instance ().PluginListChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::refill_favorite_plugins, this), gui_context());
 301         PluginManager::instance ().PluginStatusesChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::refill_favorite_plugins, this), gui_context());
 302         ARDOUR::Plugin::PresetsChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::refill_favorite_plugins, this), gui_context());
 303 }
 304
 305 Mixer_UI::~Mixer_UI ()
 306 {
 307         if (_monitor_section) {
 308                 monitor_section_detached ();
 309                 delete _monitor_section;
 310         }
 311         delete _plugin_selector;
 312 }
 313
 314 void
 315 Mixer_UI::track_editor_selection ()
 316 {
 317         PublicEditor::instance().get_selection().TracksChanged.connect (sigc::mem_fun (*this, &Mixer_UI::follow_editor_selection));
 318 }
 319
 320 Gtk::Window*
 321 Mixer_UI::use_own_window (bool and_fill_it)
 322 {
 323         bool new_window = !own_window();
 324
 325         Gtk::Window* win = Tabbable::use_own_window (and_fill_it);
 326
 327
 328         if (win && new_window) {
 329                 win->set_name ("MixerWindow");
 330                 ARDOUR_UI::instance()->setup_toplevel_window (*win, _("Mixer"), this);
 331                 win->signal_scroll_event().connect (sigc::mem_fun (*this, &Mixer_UI::on_scroll_event), false);
 332                 win->signal_event().connect (sigc::bind (sigc::ptr_fun (&Keyboard::catch_user_event_for_pre_dialog_focus), win));
 333                 win->set_data ("ardour-bindings", bindings);
 334                 update_title ();
 335         }
 336
 337         return win;
 338 }
 339
 340 void
 341 Mixer_UI::show_window ()
 342 {
 343         Tabbable::show_window ();
 344
 345         /* show/hide group tabs as required */
 346         parameter_changed ("show-group-tabs");
 347
 348         /* now reset each strips width so the right widgets are shown */
 349         MixerStrip* ms;
 350
 351         TreeModel::Children rows = track_model->children();
 352         TreeModel::Children::iterator ri;
 353
 354         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 355                 ms = (*ri)[track_columns.strip];
 356                 if (!ms) {
 357                         continue;
 358                 }
 359                 ms->set_width_enum (ms->get_width_enum (), ms->width_owner());
 360                 /* Fix visibility of mixer strip stuff */
 361                 ms->parameter_changed (X_("mixer-element-visibility"));
 362         }
 363
 364         /* force focus into main area */
 365         scroller_base.grab_focus ();
 366 }
 367
 368 void
 369 Mixer_UI::add_masters (VCAList& vcas)
 370 {
 371         cerr << vcas.size() << " VCAs added\n";
 372
 373         for (VCAList::iterator v = vcas.begin(); v != vcas.end(); ++v) {
 374
 375                 VCAMasterStrip* vms = new VCAMasterStrip (_session, *v);
 376
 377                 TreeModel::Row row = *(track_model->append());
 378                 row[track_columns.text] = (*v)->name();
 379                 row[track_columns.visible] = true;
 380                 row[track_columns.vca] = vms;
 381         }
 382
 383         redisplay_track_list ();
 384 }
 385
 386 void
 387 Mixer_UI::remove_master (VCAMasterStrip* vms)
 388 {
 389 }
 390
 391 void
 392 Mixer_UI::add_strips (RouteList& routes)
 393 {
 394         bool from_scratch = track_model->children().size() == 0;
 395         Gtk::TreeModel::Children::iterator insert_iter = track_model->children().end();
 396
 397         for (Gtk::TreeModel::Children::iterator it = track_model->children().begin(); it != track_model->children().end(); ++it) {
 398                 boost::shared_ptr<Route> r = (*it)[track_columns.route];
 399
 400                 if (!r) {
 401                         continue;
 402                 }
 403
 404                 if (r->order_key() == (routes.front()->order_key() + routes.size())) {
 405                         insert_iter = it;
 406                         break;
 407                 }
 408         }
 409
 410         if(!from_scratch) {
 411                 _selection.clear_routes ();
 412         }
 413
 414         MixerStrip* strip;
 415
 416         try {
 417                 no_track_list_redisplay = true;
 418                 track_display.set_model (Glib::RefPtr<ListStore>());
 419
 420                 for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
 421                         boost::shared_ptr<Route> route = (*x);
 422
 423                         if (route->is_auditioner()) {
 424                                 continue;
 425                         }
 426
 427                         if (route->is_monitor()) {
 428
 429                                 if (!_monitor_section) {
 430                                         _monitor_section = new MonitorSection (_session);
 431
 432                                         XMLNode* mnode = ARDOUR_UI::instance()->tearoff_settings (X_("monitor-section"));
 433                                         if (mnode) {
 434                                                 _monitor_section->tearoff().set_state (*mnode);
 435                                         }
 436                                 }
 437
 438                                 out_packer.pack_end (_monitor_section->tearoff(), false, false);
 439                                 _monitor_section->set_session (_session);
 440                                 _monitor_section->tearoff().show_all ();
 441
 442                                 _monitor_section->tearoff().Detach.connect (sigc::mem_fun(*this, &Mixer_UI::monitor_section_detached));
 443                                 _monitor_section->tearoff().Attach.connect (sigc::mem_fun(*this, &Mixer_UI::monitor_section_attached));
 444
 445                                 monitor_section_attached ();
 446
 447                                 route->DropReferences.connect (*this, invalidator(*this), boost::bind (&Mixer_UI::monitor_section_going_away, this), gui_context());
 448
 449                                 /* no regular strip shown for control out */
 450
 451                                 continue;
 452                         }
 453
 454                         strip = new MixerStrip (*this, _session, route);
 455                         strips.push_back (strip);
 456
 457                         UIConfiguration::instance().get_default_narrow_ms() ? _strip_width = Narrow : _strip_width = Wide;
 458
 459                         if (strip->width_owner() != strip) {
 460                                 strip->set_width_enum (_strip_width, this);
 461                         }
 462
 463                         show_strip (strip);
 464
 465                         TreeModel::Row row = *(track_model->insert(insert_iter));
 466                         row[track_columns.text] = route->name();
 467                         row[track_columns.visible] = strip->route()->is_master() ? true : strip->marked_for_display();
 468                         row[track_columns.route] = route;
 469                         row[track_columns.strip] = strip;
 470                         row[track_columns.vca] = 0;
 471
 472                         if (!from_scratch) {
 473                                 _selection.add (strip);
 474                         }
 475
 476                         route->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::strip_property_changed, this, _1, strip), gui_context());
 477
 478                         strip->WidthChanged.connect (sigc::mem_fun(*this, &Mixer_UI::strip_width_changed));
 479                         strip->signal_button_release_event().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::strip_button_release_event), strip));
 480                 }
 481
 482         } catch (const std::exception& e) {
 483                 error << string_compose (_("Error adding GUI elements for new tracks/busses %1"), e.what()) << endmsg;
 484         }
 485
 486         no_track_list_redisplay = false;
 487         track_display.set_model (track_model);
 488
 489         sync_order_keys_from_treeview ();
 490         redisplay_track_list ();
 491 }
 492
 493 void
 494 Mixer_UI::deselect_all_strip_processors ()
 495 {
 496         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 497                 (*i)->deselect_all_processors();
 498         }
 499 }
 500
 501 void
 502 Mixer_UI::select_none ()
 503 {
 504         _selection.clear_routes();
 505         deselect_all_strip_processors();
 506 }
 507
 508 void
 509 Mixer_UI::delete_processors ()
 510 {
 511         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 512                 (*i)->delete_processors();
 513         }
 514 }
 515
 516
 517 void
 518 Mixer_UI::remove_strip (MixerStrip* strip)
 519 {
 520         if (_session && _session->deletion_in_progress()) {
 521                 /* its all being taken care of */
 522                 return;
 523         }
 524
 525         TreeModel::Children rows = track_model->children();
 526         TreeModel::Children::iterator ri;
 527         list<MixerStrip *>::iterator i;
 528
 529         if ((i = find (strips.begin(), strips.end(), strip)) != strips.end()) {
 530                 strips.erase (i);
 531         }
 532
 533         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 534                 if ((*ri)[track_columns.strip] == strip) {
 535                         PBD::Unwinder<bool> uw (_route_deletion_in_progress, true);
 536                         track_model->erase (ri);
 537                         break;
 538                 }
 539         }
 540 }
 541
 542 void
 543 Mixer_UI::reset_remote_control_ids ()
 544 {
 545         if (Config->get_remote_model() == UserOrdered || !_session || _session->deletion_in_progress()) {
 546                 return;
 547         }
 548
 549         TreeModel::Children rows = track_model->children();
 550
 551         if (rows.empty()) {
 552                 return;
 553         }
 554
 555         DEBUG_TRACE (DEBUG::OrderKeys, "mixer resets remote control ids after remote model change\n");
 556
 557         TreeModel::Children::iterator ri;
 558         bool rid_change = false;
 559         uint32_t rid = 1;
 560         uint32_t invisible_key = UINT32_MAX;
 561
 562         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 563
 564                 /* skip two special values */
 565
 566                 if (rid == Route::MasterBusRemoteControlID) {
 567                         rid++;
 568                 }
 569
 570                 if (rid == Route::MonitorBusRemoteControlID) {
 571                         rid++;
 572                 }
 573
 574                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 575                 bool visible = (*ri)[track_columns.visible];
 576
 577                 if (!route) {
 578                         continue;
 579                 }
 580
 581                 if (!route->is_master() && !route->is_monitor()) {
 582
 583                         uint32_t new_rid = (visible ? rid : invisible_key--);
 584
 585                         if (new_rid != route->remote_control_id()) {
 586                                 route->set_remote_control_id_explicit (new_rid);
 587                                 rid_change = true;
 588                         }
 589
 590                         if (visible) {
 591                                 rid++;
 592                         }
 593                 }
 594         }
 595
 596         if (rid_change) {
 597                 /* tell the world that we changed the remote control IDs */
 598                 _session->notify_remote_id_change ();
 599         }
 600 }
 601
 602 void
 603 Mixer_UI::sync_order_keys_from_treeview ()
 604 {
 605         if (ignore_reorder || !_session || _session->deletion_in_progress()) {
 606                 return;
 607         }
 608
 609         TreeModel::Children rows = track_model->children();
 610
 611         if (rows.empty()) {
 612                 return;
 613         }
 614
 615         DEBUG_TRACE (DEBUG::OrderKeys, "mixer sync order keys from model\n");
 616
 617         TreeModel::Children::iterator ri;
 618         bool changed = false;
 619         bool rid_change = false;
 620         uint32_t order = 0;
 621         uint32_t rid = 1;
 622         uint32_t invisible_key = UINT32_MAX;
 623
 624         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 625                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 626                 bool visible = (*ri)[track_columns.visible];
 627
 628                 if (!route) {
 629                         continue;
 630                 }
 631
 632                 uint32_t old_key = route->order_key ();
 633
 634                 if (order != old_key) {
 635                         route->set_order_key (order);
 636                         changed = true;
 637                 }
 638
 639                 if ((Config->get_remote_model() == MixerOrdered) && !route->is_master() && !route->is_monitor()) {
 640
 641                         uint32_t new_rid = (visible ? rid : invisible_key--);
 642
 643                         if (new_rid != route->remote_control_id()) {
 644                                 route->set_remote_control_id_explicit (new_rid);
 645                                 rid_change = true;
 646                         }
 647
 648                         if (visible) {
 649                                 rid++;
 650                         }
 651
 652                 }
 653
 654                 ++order;
 655         }
 656
 657         if (changed) {
 658                 /* tell everyone that we changed the mixer sort keys */
 659                 _session->sync_order_keys ();
 660         }
 661
 662         if (rid_change) {
 663                 /* tell the world that we changed the remote control IDs */
 664                 _session->notify_remote_id_change ();
 665         }
 666 }
 667
 668 void
 669 Mixer_UI::sync_treeview_from_order_keys ()
 670 {
 671         if (!_session || _session->deletion_in_progress()) {
 672                 return;
 673         }
 674
 675         DEBUG_TRACE (DEBUG::OrderKeys, "mixer sync model from order keys.\n");
 676
 677         /* we could get here after either a change in the Mixer or Editor sort
 678          * order, but either way, the mixer order keys reflect the intended
 679          * order for the GUI, so reorder the treeview model to match it.
 680          */
 681
 682         vector<int> neworder;
 683         TreeModel::Children rows = track_model->children();
 684         uint32_t old_order = 0;
 685         bool changed = false;
 686
 687         if (rows.empty()) {
 688                 return;
 689         }
 690
 691         OrderKeySortedRoutes sorted_routes;
 692
 693         for (TreeModel::Children::iterator ri = rows.begin(); ri != rows.end(); ++ri, ++old_order) {
 694                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 695                 if (!route) {
 696                         continue;
 697                 }
 698                 sorted_routes.push_back (RoutePlusOrderKey (route, old_order, route->order_key ()));
 699         }
 700
 701         SortByNewDisplayOrder cmp;
 702
 703         sort (sorted_routes.begin(), sorted_routes.end(), cmp);
 704         neworder.assign (sorted_routes.size(), 0);
 705
 706         uint32_t n = 0;
 707
 708         for (OrderKeySortedRoutes::iterator sr = sorted_routes.begin(); sr != sorted_routes.end(); ++sr, ++n) {
 709
 710                 neworder[n] = sr->old_display_order;
 711
 712                 if (sr->old_display_order != n) {
 713                         changed = true;
 714                 }
 715
 716                 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("MIXER change order for %1 from %2 to %3\n",
 717                                                                sr->route->name(), sr->old_display_order, n));
 718         }
 719
 720         if (changed) {
 721                 Unwinder<bool> uw (ignore_reorder, true);
 722                 track_model->reorder (neworder);
 723         }
 724
 725         redisplay_track_list ();
 726 }
 727
 728 void
 729 Mixer_UI::follow_editor_selection ()
 730 {
 731         if (_following_editor_selection) {
 732                 return;
 733         }
 734
 735         _following_editor_selection = true;
 736         _selection.block_routes_changed (true);
 737
 738         TrackSelection& s (PublicEditor::instance().get_selection().tracks);
 739
 740         _selection.clear_routes ();
 741
 742         for (TrackViewList::iterator i = s.begin(); i != s.end(); ++i) {
 743                 RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*i);
 744                 if (rtav) {
 745                         MixerStrip* ms = strip_by_route (rtav->route());
 746                         if (ms) {
 747                                 _selection.add (ms);
 748                         }
 749                 }
 750         }
 751
 752         _following_editor_selection = false;
 753         _selection.block_routes_changed (false);
 754 }
 755
 756
 757 MixerStrip*
 758 Mixer_UI::strip_by_route (boost::shared_ptr<Route> r)
 759 {
 760         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 761                 if ((*i)->route() == r) {
 762                         return (*i);
 763                 }
 764         }
 765
 766         return 0;
 767 }
 768
 769 bool
 770 Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
 771 {
 772         if (ev->button == 1) {
 773                 if (_selection.selected (strip)) {
 774                         /* primary-click: toggle selection state of strip */
 775                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 776                                 _selection.remove (strip);
 777                         } else if (_selection.routes.size() > 1) {
 778                                 /* de-select others */
 779                                 _selection.set (strip);
 780                         }
 781                 } else {
 782                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 783                                 _selection.add (strip);
 784                         } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::RangeSelectModifier)) {
 785
 786                                 if (!_selection.selected(strip)) {
 787
 788                                         /* extend selection */
 789
 790                                         vector<MixerStrip*> tmp;
 791                                         bool accumulate = false;
 792                                         bool found_another = false;
 793
 794                                         tmp.push_back (strip);
 795
 796                                         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
 797                                                 if ((*i) == strip) {
 798                                                         /* hit clicked strip, start accumulating till we hit the first
 799                                                            selected strip
 800                                                         */
 801                                                         if (accumulate) {
 802                                                                 /* done */
 803                                                                 break;
 804                                                         } else {
 805                                                                 accumulate = true;
 806                                                         }
 807                                                 } else if (_selection.selected (*i)) {
 808                                                         /* hit selected strip. if currently accumulating others,
 809                                                            we're done. if not accumulating others, start doing so.
 810                                                         */
 811                                                         found_another = true;
 812                                                         if (accumulate) {
 813                                                                 /* done */
 814                                                                 break;
 815                                                         } else {
 816                                                                 accumulate = true;
 817                                                         }
 818                                                 } else {
 819                                                         if (accumulate) {
 820                                                                 tmp.push_back (*i);
 821                                                         }
 822                                                 }
 823                                         }
 824
 825                                         if (found_another) {
 826                                                 for (vector<MixerStrip*>::iterator i = tmp.begin(); i != tmp.end(); ++i) {
 827                                                         _selection.add (*i);
 828                                                 }
 829                                         } else
 830                                                 _selection.set (strip);  //user wants to start a range selection, but there aren't any others selected yet
 831                                 }
 832
 833                         } else {
 834                                 _selection.set (strip);
 835                         }
 836                 }
 837         }
 838
 839         return true;
 840 }
 841
 842 void
 843 Mixer_UI::set_session (Session* sess)
 844 {
 845         SessionHandlePtr::set_session (sess);
 846
 847         if (_plugin_selector) {
 848                 _plugin_selector->set_session (_session);
 849         }
 850
 851         _group_tabs->set_session (sess);
 852
 853         if (!_session) {
 854                 return;
 855         }
 856
 857         refill_favorite_plugins();
 858
 859         XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
 860         set_state (*node, 0);
 861
 862         update_title ();
 863
 864         initial_track_display ();
 865
 866         _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_strips, this, _1), gui_context());
 867         _session->route_group_added.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_route_group, this, _1), gui_context());
 868         _session->route_group_removed.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 869         _session->route_groups_reordered.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 870         _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context());
 871         _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 872         _session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 873
 874         _session->vca_manager().VCAAdded.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_masters, this, _1), gui_context());
 875
 876         Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context ());
 877
 878         route_groups_changed ();
 879
 880         if (_visible) {
 881                 show_window();
 882         }
 883         start_updating ();
 884 }
 885
 886 void
 887 Mixer_UI::session_going_away ()
 888 {
 889         ENSURE_GUI_THREAD (*this, &Mixer_UI::session_going_away);
 890
 891         _in_group_rebuild_or_clear = true;
 892         group_model->clear ();
 893         _in_group_rebuild_or_clear = false;
 894
 895         _selection.clear ();
 896         track_model->clear ();
 897
 898         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 899                 delete (*i);
 900         }
 901
 902         if (_monitor_section) {
 903                 _monitor_section->tearoff().hide_visible ();
 904         }
 905
 906         monitor_section_detached ();
 907
 908         strips.clear ();
 909
 910         stop_updating ();
 911
 912         SessionHandlePtr::session_going_away ();
 913
 914         _session = 0;
 915         update_title ();
 916 }
 917
 918 void
 919 Mixer_UI::track_visibility_changed (std::string const & path)
 920 {
 921         if (_session && _session->deletion_in_progress()) {
 922                 return;
 923         }
 924
 925         TreeIter iter;
 926
 927         if ((iter = track_model->get_iter (path))) {
 928                 MixerStrip* strip = (*iter)[track_columns.strip];
 929                 if (strip) {
 930                         bool visible = (*iter)[track_columns.visible];
 931
 932                         if (strip->set_marked_for_display (!visible)) {
 933                                 update_track_visibility ();
 934                         }
 935                 }
 936         }
 937 }
 938
 939 void
 940 Mixer_UI::update_track_visibility ()
 941 {
 942         TreeModel::Children rows = track_model->children();
 943         TreeModel::Children::iterator i;
 944
 945         {
 946                 Unwinder<bool> uw (no_track_list_redisplay, true);
 947
 948                 for (i = rows.begin(); i != rows.end(); ++i) {
 949                         MixerStrip *strip = (*i)[track_columns.strip];
 950                         if (strip) {
 951                                 (*i)[track_columns.visible] = strip->marked_for_display ();
 952                         }
 953                 }
 954
 955                 /* force route order keys catch up with visibility changes
 956                  */
 957
 958                 sync_order_keys_from_treeview ();
 959         }
 960
 961         redisplay_track_list ();
 962 }
 963
 964 void
 965 Mixer_UI::show_strip (MixerStrip* ms)
 966 {
 967         TreeModel::Children rows = track_model->children();
 968         TreeModel::Children::iterator i;
 969
 970         for (i = rows.begin(); i != rows.end(); ++i) {
 971
 972                 MixerStrip* strip = (*i)[track_columns.strip];
 973                 if (strip == ms) {
 974                         (*i)[track_columns.visible] = true;
 975                         redisplay_track_list ();
 976                         break;
 977                 }
 978         }
 979 }
 980
 981 void
 982 Mixer_UI::hide_strip (MixerStrip* ms)
 983 {
 984         TreeModel::Children rows = track_model->children();
 985         TreeModel::Children::iterator i;
 986
 987         for (i = rows.begin(); i != rows.end(); ++i) {
 988
 989                 MixerStrip* strip = (*i)[track_columns.strip];
 990                 if (strip == ms) {
 991                         (*i)[track_columns.visible] = false;
 992                         redisplay_track_list ();
 993                         break;
 994                 }
 995         }
 996 }
 997
 998 gint
 999 Mixer_UI::start_updating ()
1000 {
1001     fast_screen_update_connection = Timers::super_rapid_connect (sigc::mem_fun(*this, &Mixer_UI::fast_update_strips));
1002     return 0;
1003 }
1004
1005 gint
1006 Mixer_UI::stop_updating ()
1007 {
1008     fast_screen_update_connection.disconnect();
1009     return 0;
1010 }
1011
1012 void
1013 Mixer_UI::fast_update_strips ()
1014 {
1015         if (_content.is_mapped () && _session) {
1016                 for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
1017                         (*i)->fast_update ();
1018                 }
1019         }
1020 }
1021
1022 void
1023 Mixer_UI::set_all_strips_visibility (bool yn)
1024 {
1025         TreeModel::Children rows = track_model->children();
1026         TreeModel::Children::iterator i;
1027
1028         {
1029                 Unwinder<bool> uw (no_track_list_redisplay, true);
1030
1031                 for (i = rows.begin(); i != rows.end(); ++i) {
1032
1033                         TreeModel::Row row = (*i);
1034                         MixerStrip* strip = row[track_columns.strip];
1035
1036                         if (!strip) {
1037                                 continue;
1038                         }
1039
1040                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
1041                                 continue;
1042                         }
1043
1044                         (*i)[track_columns.visible] = yn;
1045                 }
1046         }
1047
1048         redisplay_track_list ();
1049 }
1050
1051
1052 void
1053 Mixer_UI::set_all_audio_midi_visibility (int tracks, bool yn)
1054 {
1055         TreeModel::Children rows = track_model->children();
1056         TreeModel::Children::iterator i;
1057
1058         {
1059                 Unwinder<bool> uw (no_track_list_redisplay, true);
1060
1061                 for (i = rows.begin(); i != rows.end(); ++i) {
1062                         TreeModel::Row row = (*i);
1063                         MixerStrip* strip = row[track_columns.strip];
1064
1065                         if (!strip) {
1066                                 continue;
1067                         }
1068
1069                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
1070                                 continue;
1071                         }
1072
1073                         boost::shared_ptr<AudioTrack> at = strip->audio_track();
1074                         boost::shared_ptr<MidiTrack> mt = strip->midi_track();
1075
1076                         switch (tracks) {
1077                         case 0:
1078                                 (*i)[track_columns.visible] = yn;
1079                                 break;
1080
1081                         case 1:
1082                                 if (at) { /* track */
1083                                         (*i)[track_columns.visible] = yn;
1084                                 }
1085                                 break;
1086
1087                         case 2:
1088                                 if (!at && !mt) { /* bus */
1089                                         (*i)[track_columns.visible] = yn;
1090                                 }
1091                                 break;
1092
1093                         case 3:
1094                                 if (mt) { /* midi-track */
1095                                         (*i)[track_columns.visible] = yn;
1096                                 }
1097                                 break;
1098                         }
1099                 }
1100         }
1101
1102         redisplay_track_list ();
1103 }
1104
1105 void
1106 Mixer_UI::hide_all_routes ()
1107 {
1108         set_all_strips_visibility (false);
1109 }
1110
1111 void
1112 Mixer_UI::show_all_routes ()
1113 {
1114         set_all_strips_visibility (true);
1115 }
1116
1117 void
1118 Mixer_UI::show_all_audiobus ()
1119 {
1120         set_all_audio_midi_visibility (2, true);
1121 }
1122 void
1123 Mixer_UI::hide_all_audiobus ()
1124 {
1125         set_all_audio_midi_visibility (2, false);
1126 }
1127
1128 void
1129 Mixer_UI::show_all_audiotracks()
1130 {
1131         set_all_audio_midi_visibility (1, true);
1132 }
1133 void
1134 Mixer_UI::hide_all_audiotracks ()
1135 {
1136         set_all_audio_midi_visibility (1, false);
1137 }
1138
1139 void
1140 Mixer_UI::show_all_miditracks()
1141 {
1142         set_all_audio_midi_visibility (3, true);
1143 }
1144 void
1145 Mixer_UI::hide_all_miditracks ()
1146 {
1147         set_all_audio_midi_visibility (3, false);
1148 }
1149
1150
1151 void
1152 Mixer_UI::track_list_reorder (const TreeModel::Path&, const TreeModel::iterator&, int* /*new_order*/)
1153 {
1154         DEBUG_TRACE (DEBUG::OrderKeys, "mixer UI treeview reordered\n");
1155         sync_order_keys_from_treeview ();
1156 }
1157
1158 void
1159 Mixer_UI::track_list_delete (const Gtk::TreeModel::Path&)
1160 {
1161         /* this happens as the second step of a DnD within the treeview as well
1162            as when a row/route is actually deleted.
1163
1164            if it was a deletion then we have to force a redisplay because
1165            order keys may not have changed.
1166         */
1167
1168         DEBUG_TRACE (DEBUG::OrderKeys, "mixer UI treeview row deleted\n");
1169         sync_order_keys_from_treeview ();
1170
1171         if (_route_deletion_in_progress) {
1172                 redisplay_track_list ();
1173         }
1174 }
1175
1176 void
1177 Mixer_UI::redisplay_track_list ()
1178 {
1179         TreeModel::Children rows = track_model->children();
1180         TreeModel::Children::iterator i;
1181
1182         if (no_track_list_redisplay) {
1183                 return;
1184         }
1185
1186         container_clear (vca_packer);
1187
1188         for (i = rows.begin(); i != rows.end(); ++i) {
1189
1190                 VCAMasterStrip* vms = (*i)[track_columns.vca];
1191
1192                 if (vms) {
1193                         vca_packer.pack_start (*vms, false, false);
1194                         vms->show ();
1195                         cerr << "Packed vca " << vms->vca()->number() << " into vca_packer\n";
1196                         continue;
1197                 }
1198
1199                 MixerStrip* strip = (*i)[track_columns.strip];
1200
1201                 if (!strip) {
1202                         /* we're in the middle of changing a row, don't worry */
1203                         continue;
1204                 }
1205
1206                 bool const visible = (*i)[track_columns.visible];
1207
1208                 if (visible) {
1209                         strip->set_gui_property ("visible", true);
1210
1211                         if (strip->packed()) {
1212
1213                                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
1214                                         out_packer.reorder_child (*strip, -1);
1215
1216                                 } else {
1217                                         strip_packer.reorder_child (*strip, -1); /* put at end */
1218                                 }
1219
1220                         } else {
1221
1222                                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
1223                                         out_packer.pack_start (*strip, false, false);
1224                                 } else {
1225                                         strip_packer.pack_start (*strip, false, false);
1226                                 }
1227                                 strip->set_packed (true);
1228                         }
1229
1230                 } else {
1231
1232                         strip->set_gui_property ("visible", false);
1233
1234                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
1235                                 /* do nothing, these cannot be hidden */
1236                         } else {
1237                                 if (strip->packed()) {
1238                                         strip_packer.remove (*strip);
1239                                         strip->set_packed (false);
1240                                 }
1241                         }
1242                 }
1243         }
1244
1245         _group_tabs->set_dirty ();
1246 }
1247
1248 void
1249 Mixer_UI::strip_width_changed ()
1250 {
1251         _group_tabs->set_dirty ();
1252
1253 #ifdef __APPLE__
1254         TreeModel::Children rows = track_model->children();
1255         TreeModel::Children::iterator i;
1256         long order;
1257
1258         for (order = 0, i = rows.begin(); i != rows.end(); ++i, ++order) {
1259                 MixerStrip* strip = (*i)[track_columns.strip];
1260
1261                 if (strip == 0) {
1262                         continue;
1263                 }
1264
1265                 bool visible = (*i)[track_columns.visible];
1266
1267                 if (visible) {
1268                         strip->queue_draw();
1269                 }
1270         }
1271 #endif
1272
1273 }
1274
1275 void
1276 Mixer_UI::initial_track_display ()
1277 {
1278         boost::shared_ptr<RouteList> routes = _session->get_routes();
1279         RouteList copy (*routes);
1280         ARDOUR::SignalOrderRouteSorter sorter;
1281
1282         copy.sort (sorter);
1283
1284         {
1285                 Unwinder<bool> uw1 (no_track_list_redisplay, true);
1286                 Unwinder<bool> uw2 (ignore_reorder, true);
1287
1288                 track_model->clear ();
1289                 VCAList vcas = _session->vca_manager().vcas();
1290                 add_masters (vcas);
1291                 add_strips (copy);
1292         }
1293
1294         _session->sync_order_keys ();
1295
1296         redisplay_track_list ();
1297 }
1298
1299 void
1300 Mixer_UI::show_track_list_menu ()
1301 {
1302         if (track_menu == 0) {
1303                 build_track_menu ();
1304         }
1305
1306         track_menu->popup (1, gtk_get_current_event_time());
1307 }
1308
1309 bool
1310 Mixer_UI::track_display_button_press (GdkEventButton* ev)
1311 {
1312         if (Keyboard::is_context_menu_event (ev)) {
1313                 show_track_list_menu ();
1314                 return true;
1315         }
1316
1317         return false;
1318 }
1319
1320 void
1321 Mixer_UI::build_track_menu ()
1322 {
1323         using namespace Menu_Helpers;
1324         using namespace Gtk;
1325
1326         track_menu = new Menu;
1327         track_menu->set_name ("ArdourContextMenu");
1328         MenuList& items = track_menu->items();
1329
1330         items.push_back (MenuElem (_("Show All"), sigc::mem_fun(*this, &Mixer_UI::show_all_routes)));
1331         items.push_back (MenuElem (_("Hide All"), sigc::mem_fun(*this, &Mixer_UI::hide_all_routes)));
1332         items.push_back (MenuElem (_("Show All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiotracks)));
1333         items.push_back (MenuElem (_("Hide All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiotracks)));
1334         items.push_back (MenuElem (_("Show All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiobus)));
1335         items.push_back (MenuElem (_("Hide All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiobus)));
1336         items.push_back (MenuElem (_("Show All Midi Tracks"), sigc::mem_fun (*this, &Mixer_UI::show_all_miditracks)));
1337         items.push_back (MenuElem (_("Hide All Midi Tracks"), sigc::mem_fun (*this, &Mixer_UI::hide_all_miditracks)));
1338
1339 }
1340
1341 void
1342 Mixer_UI::strip_property_changed (const PropertyChange& what_changed, MixerStrip* mx)
1343 {
1344         if (!what_changed.contains (ARDOUR::Properties::name)) {
1345                 return;
1346         }
1347
1348         ENSURE_GUI_THREAD (*this, &Mixer_UI::strip_name_changed, what_changed, mx)
1349
1350         TreeModel::Children rows = track_model->children();
1351         TreeModel::Children::iterator i;
1352
1353         for (i = rows.begin(); i != rows.end(); ++i) {
1354                 if ((*i)[track_columns.strip] == mx) {
1355                         (*i)[track_columns.text] = mx->route()->name();
1356                         return;
1357                 }
1358         }
1359
1360         error << _("track display list item for renamed strip not found!") << endmsg;
1361 }
1362
1363 bool
1364 Mixer_UI::group_display_button_press (GdkEventButton* ev)
1365 {
1366         TreeModel::Path path;
1367         TreeViewColumn* column;
1368         int cellx;
1369         int celly;
1370
1371         if (!group_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
1372                 _group_tabs->get_menu(0)->popup (1, ev->time);
1373                 return true;
1374         }
1375
1376         TreeIter iter = group_model->get_iter (path);
1377         if (!iter) {
1378                 _group_tabs->get_menu(0)->popup (1, ev->time);
1379                 return true;
1380         }
1381
1382         RouteGroup* group = (*iter)[group_columns.group];
1383
1384         if (Keyboard::is_context_menu_event (ev)) {
1385                 _group_tabs->get_menu(group)->popup (1, ev->time);
1386                 return true;
1387         }
1388
1389         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
1390         case 0:
1391                 if (Keyboard::is_edit_event (ev)) {
1392                         if (group) {
1393                                 // edit_route_group (group);
1394 #ifdef __APPLE__
1395                                 group_display.queue_draw();
1396 #endif
1397                                 return true;
1398                         }
1399                 }
1400                 break;
1401
1402         case 1:
1403         {
1404                 bool visible = (*iter)[group_columns.visible];
1405                 (*iter)[group_columns.visible] = !visible;
1406 #ifdef __APPLE__
1407                 group_display.queue_draw();
1408 #endif
1409                 return true;
1410         }
1411
1412         default:
1413                 break;
1414         }
1415
1416         return false;
1417  }
1418
1419 void
1420 Mixer_UI::activate_all_route_groups ()
1421 {
1422         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), true));
1423 }
1424
1425 void
1426 Mixer_UI::disable_all_route_groups ()
1427 {
1428         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), false));
1429 }
1430
1431 void
1432 Mixer_UI::route_groups_changed ()
1433 {
1434         ENSURE_GUI_THREAD (*this, &Mixer_UI::route_groups_changed);
1435
1436         _in_group_rebuild_or_clear = true;
1437
1438         /* just rebuild the while thing */
1439
1440         group_model->clear ();
1441
1442 #if 0
1443         /* this is currently not used,
1444          * Mixer_UI::group_display_button_press() has a case for it,
1445          * and a commented edit_route_group() but that's n/a since 2011.
1446          *
1447          * This code is left as reminder that
1448          * row[group_columns.group] = 0 has special meaning.
1449          */
1450         {
1451                 TreeModel::Row row;
1452                 row = *(group_model->append());
1453                 row[group_columns.visible] = true;
1454                 row[group_columns.text] = (_("-all-"));
1455                 row[group_columns.group] = 0;
1456         }
1457 #endif
1458
1459         _session->foreach_route_group (sigc::mem_fun (*this, &Mixer_UI::add_route_group));
1460
1461         _group_tabs->set_dirty ();
1462         _in_group_rebuild_or_clear = false;
1463 }
1464
1465 void
1466 Mixer_UI::new_route_group ()
1467 {
1468         RouteList rl;
1469
1470         _group_tabs->run_new_group_dialog (rl);
1471 }
1472
1473 void
1474 Mixer_UI::remove_selected_route_group ()
1475 {
1476         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1477         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
1478
1479         if (rows.empty()) {
1480                 return;
1481         }
1482
1483         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
1484         TreeIter iter;
1485
1486         /* selection mode is single, so rows.begin() is it */
1487
1488         if ((iter = group_model->get_iter (*i))) {
1489
1490                 RouteGroup* rg = (*iter)[group_columns.group];
1491
1492                 if (rg) {
1493                         _session->remove_route_group (*rg);
1494                 }
1495         }
1496 }
1497
1498 void
1499 Mixer_UI::route_group_property_changed (RouteGroup* group, const PropertyChange& change)
1500 {
1501         if (in_group_row_change) {
1502                 return;
1503         }
1504
1505         /* force an update of any mixer strips that are using this group,
1506            otherwise mix group names don't change in mixer strips
1507         */
1508
1509         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
1510                 if ((*i)->route_group() == group) {
1511                         (*i)->route_group_changed();
1512                 }
1513         }
1514
1515         TreeModel::iterator i;
1516         TreeModel::Children rows = group_model->children();
1517         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1518
1519         in_group_row_change = true;
1520
1521         for (i = rows.begin(); i != rows.end(); ++i) {
1522                 if ((*i)[group_columns.group] == group) {
1523                         (*i)[group_columns.visible] = !group->is_hidden ();
1524                         (*i)[group_columns.text] = group->name ();
1525                         break;
1526                 }
1527         }
1528
1529         in_group_row_change = false;
1530
1531         if (change.contains (Properties::name)) {
1532                 _group_tabs->set_dirty ();
1533         }
1534
1535         for (list<MixerStrip*>::iterator j = strips.begin(); j != strips.end(); ++j) {
1536                 if ((*j)->route_group() == group) {
1537                         if (group->is_hidden ()) {
1538                                 hide_strip (*j);
1539                         } else {
1540                                 show_strip (*j);
1541                         }
1542                 }
1543         }
1544 }
1545
1546 void
1547 Mixer_UI::show_mixer_list (bool yn)
1548 {
1549         if (yn) {
1550                 list_vpacker.show ();
1551
1552                 //if user wants to show the pane, we should make sure that it is wide enough to be visible
1553                 int width = list_hpane.get_position();
1554                 if (width < 40)
1555                         list_hpane.set_position(40);
1556         } else {
1557                 list_vpacker.hide ();
1558         }
1559
1560         _show_mixer_list = yn;
1561 }
1562
1563 void
1564 Mixer_UI::show_monitor_section (bool yn)
1565 {
1566         if (!monitor_section()) {
1567                 return;
1568         }
1569         if (monitor_section()->tearoff().torn_off()) {
1570                 return;
1571         }
1572
1573         if (yn) {
1574                 monitor_section()->tearoff().show();
1575         } else {
1576                 monitor_section()->tearoff().hide();
1577         }
1578 }
1579
1580 void
1581 Mixer_UI::route_group_name_edit (const std::string& path, const std::string& new_text)
1582 {
1583         RouteGroup* group;
1584         TreeIter iter;
1585
1586         if ((iter = group_model->get_iter (path))) {
1587
1588                 if ((group = (*iter)[group_columns.group]) == 0) {
1589                         return;
1590                 }
1591
1592                 if (new_text != group->name()) {
1593                         group->set_name (new_text);
1594                 }
1595         }
1596 }
1597
1598 void
1599 Mixer_UI::route_group_row_change (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator& iter)
1600 {
1601         RouteGroup* group;
1602
1603         if (in_group_row_change) {
1604                 return;
1605         }
1606
1607         if ((group = (*iter)[group_columns.group]) == 0) {
1608                 return;
1609         }
1610
1611         std::string name = (*iter)[group_columns.text];
1612
1613         if (name != group->name()) {
1614                 group->set_name (name);
1615         }
1616
1617         bool hidden = !(*iter)[group_columns.visible];
1618
1619         if (hidden != group->is_hidden ()) {
1620                 group->set_hidden (hidden, this);
1621         }
1622 }
1623
1624 /** Called when a group model row is deleted, but also when the model is
1625  *  reordered by a user drag-and-drop; the latter is what we are
1626  *  interested in here.
1627  */
1628 void
1629 Mixer_UI::route_group_row_deleted (Gtk::TreeModel::Path const &)
1630 {
1631         if (_in_group_rebuild_or_clear) {
1632                 return;
1633         }
1634
1635         /* Re-write the session's route group list so that the new order is preserved */
1636
1637         list<RouteGroup*> new_list;
1638
1639         Gtk::TreeModel::Children children = group_model->children();
1640         for (Gtk::TreeModel::Children::iterator i = children.begin(); i != children.end(); ++i) {
1641                 RouteGroup* g = (*i)[group_columns.group];
1642                 if (g) {
1643                         new_list.push_back (g);
1644                 }
1645         }
1646
1647         _session->reorder_route_groups (new_list);
1648 }
1649
1650
1651 void
1652 Mixer_UI::add_route_group (RouteGroup* group)
1653 {
1654         ENSURE_GUI_THREAD (*this, &Mixer_UI::add_route_group, group)
1655         bool focus = false;
1656
1657         in_group_row_change = true;
1658
1659         TreeModel::Row row = *(group_model->append());
1660         row[group_columns.visible] = !group->is_hidden ();
1661         row[group_columns.group] = group;
1662         if (!group->name().empty()) {
1663                 row[group_columns.text] = group->name();
1664         } else {
1665                 row[group_columns.text] = _("unnamed");
1666                 focus = true;
1667         }
1668
1669         group->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::route_group_property_changed, this, group, _1), gui_context());
1670
1671         if (focus) {
1672                 TreeViewColumn* col = group_display.get_column (0);
1673                 CellRendererText* name_cell = dynamic_cast<CellRendererText*>(group_display.get_column_cell_renderer (0));
1674                 group_display.set_cursor (group_model->get_path (row), *col, *name_cell, true);
1675         }
1676
1677         _group_tabs->set_dirty ();
1678
1679         in_group_row_change = false;
1680 }
1681
1682 bool
1683 Mixer_UI::strip_scroller_button_release (GdkEventButton* ev)
1684 {
1685         using namespace Menu_Helpers;
1686
1687         if (Keyboard::is_context_menu_event (ev)) {
1688                 ARDOUR_UI::instance()->add_route ();
1689                 return true;
1690         }
1691
1692         return false;
1693 }
1694
1695 void
1696 Mixer_UI::scroller_drag_data_received (const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, const Gtk::SelectionData& data, guint info, guint time)
1697 {
1698         printf ("Mixer_UI::scroller_drag_data_received\n");
1699         if (data.get_target() != "PluginFavoritePtr") {
1700                 context->drag_finish (false, false, time);
1701                 return;
1702         }
1703
1704         const void * d = data.get_data();
1705         const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>* tv = reinterpret_cast<const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>*>(d);
1706
1707         PluginPresetList nfos;
1708         TreeView* source;
1709         tv->get_object_drag_data (nfos, &source);
1710
1711         Route::ProcessorList pl;
1712         bool ok = false;
1713
1714         for (list<PluginPresetPtr>::const_iterator i = nfos.begin(); i != nfos.end(); ++i) {
1715                 PluginPresetPtr ppp = (*i);
1716                 PluginInfoPtr pip = ppp->_pip;
1717                 if (!pip->is_instrument ()) {
1718                         continue;
1719                 }
1720                 ARDOUR_UI::instance()->session_add_midi_track (NULL, 1, _("MIDI"), Config->get_strict_io (), pip, ppp->_preset.valid ? &ppp->_preset : 0);
1721                 ok = true;
1722         }
1723
1724         context->drag_finish (ok, false, time);
1725 }
1726
1727 void
1728 Mixer_UI::set_strip_width (Width w, bool save)
1729 {
1730         _strip_width = w;
1731
1732         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1733                 (*i)->set_width_enum (w, save ? (*i)->width_owner() : this);
1734         }
1735 }
1736
1737
1738 struct PluginStateSorter {
1739 public:
1740         bool operator() (PluginInfoPtr a, PluginInfoPtr b) const {
1741                 std::list<std::string>::const_iterator aiter = std::find(_user.begin(), _user.end(), (*a).unique_id);
1742                 std::list<std::string>::const_iterator biter = std::find(_user.begin(), _user.end(), (*b).unique_id);
1743                 if (aiter != _user.end() && biter != _user.end()) {
1744                         return std::distance (_user.begin(), aiter)  < std::distance (_user.begin(), biter);
1745                 }
1746                 if (aiter != _user.end()) {
1747                         return true;
1748                 }
1749                 if (biter != _user.end()) {
1750                         return false;
1751                 }
1752                 return ARDOUR::cmp_nocase((*a).name, (*b).name) == -1;
1753         }
1754
1755         PluginStateSorter(std::list<std::string> user) : _user (user)  {}
1756 private:
1757         std::list<std::string> _user;
1758 };
1759
1760 int
1761 Mixer_UI::set_state (const XMLNode& node, int version)
1762 {
1763         XMLProperty const * prop;
1764
1765         Tabbable::set_state (node, version);
1766
1767         if ((prop = node.property ("narrow-strips"))) {
1768                 if (string_is_affirmative (prop->value())) {
1769                         set_strip_width (Narrow);
1770                 } else {
1771                         set_strip_width (Wide);
1772                 }
1773         }
1774
1775         if ((prop = node.property ("show-mixer"))) {
1776                 if (string_is_affirmative (prop->value())) {
1777                        _visible = true;
1778                 }
1779         }
1780
1781         if ((prop = node.property ("maximised"))) {
1782                 bool yn = string_is_affirmative (prop->value());
1783                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleMaximalMixer"));
1784                 assert (act);
1785                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
1786                 bool fs = tact && tact->get_active();
1787                 if (yn ^ fs) {
1788                         ActionManager::do_action ("Common", "ToggleMaximalMixer");
1789                 }
1790         }
1791
1792         if ((prop = node.property ("show-mixer-list"))) {
1793                 bool yn = string_is_affirmative (prop->value());
1794                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleMixerList"));
1795                 assert (act);
1796                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
1797
1798                 /* do it twice to force the change */
1799                 tact->set_active (!yn);
1800                 tact->set_active (yn);
1801         }
1802
1803
1804         XMLNode* plugin_order;
1805         if ((plugin_order = find_named_node (node, "PluginOrder")) != 0) {
1806                 store_current_favorite_order ();
1807                 std::list<string> order;
1808                 const XMLNodeList& kids = plugin_order->children("PluginInfo");
1809                 XMLNodeConstIterator i;
1810                 for (i = kids.begin(); i != kids.end(); ++i) {
1811                         if ((prop = (*i)->property ("unique-id"))) {
1812                                 std::string unique_id = prop->value();
1813                                 order.push_back (unique_id);
1814                                 if ((prop = (*i)->property ("expanded"))) {
1815                                         favorite_ui_state[unique_id] = string_is_affirmative (prop->value());
1816                                 }
1817                         }
1818                 }
1819                 PluginStateSorter cmp (order);
1820                 favorite_order.sort (cmp);
1821                 sync_treeview_from_favorite_order ();
1822         }
1823         return 0;
1824 }
1825
1826 XMLNode&
1827 Mixer_UI::get_state ()
1828 {
1829         XMLNode* node = new XMLNode (X_("Mixer"));
1830         char buf[128];
1831
1832         node->add_child_nocopy (Tabbable::get_state());
1833
1834         snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (const_cast<GtkPaned*>(static_cast<const Paned*>(&rhs_pane1)->gobj())));
1835         node->add_property(X_("mixer_rhs_pane1_pos"), string(buf));
1836         snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (const_cast<GtkPaned*>(static_cast<const Paned*>(&list_hpane)->gobj())));
1837         node->add_property(X_("mixer_list_hpane_pos"), string(buf));
1838
1839         node->add_property ("narrow-strips", _strip_width == Narrow ? "yes" : "no");
1840         node->add_property ("show-mixer", _visible ? "yes" : "no");
1841         node->add_property ("show-mixer-list", _show_mixer_list ? "yes" : "no");
1842         node->add_property ("maximised", _maximised ? "yes" : "no");
1843
1844         store_current_favorite_order ();
1845         XMLNode* plugin_order = new XMLNode ("PluginOrder");
1846         int cnt = 0;
1847         for (PluginInfoList::const_iterator i = favorite_order.begin(); i != favorite_order.end(); ++i, ++cnt) {
1848                 XMLNode* p = new XMLNode ("PluginInfo");
1849                 p->add_property ("sort", cnt);
1850                 p->add_property ("unique-id", (*i)->unique_id);
1851                 if (favorite_ui_state.find ((*i)->unique_id) != favorite_ui_state.end ()) {
1852                         p->add_property ("expanded", favorite_ui_state[(*i)->unique_id]);
1853                 }
1854                 plugin_order->add_child_nocopy (*p);
1855         }
1856         node->add_child_nocopy (*plugin_order);
1857
1858         return *node;
1859 }
1860
1861 void
1862 Mixer_UI::pane_allocation_handler (Allocation&, Gtk::Paned* which)
1863 {
1864         int pos;
1865         XMLProperty const * prop = 0;
1866         XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
1867         XMLNode* geometry;
1868         int height;
1869         static int32_t done[3] = { 0, 0, 0 };
1870
1871         height = default_height;
1872
1873         if ((geometry = find_named_node (*node, "geometry")) != 0) {
1874
1875                 if ((prop = geometry->property ("y_size")) == 0) {
1876                         prop = geometry->property ("y-size");
1877                 }
1878                 if (prop) {
1879                         height = atoi (prop->value());
1880                 }
1881         }
1882
1883         if (which == static_cast<Gtk::Paned*> (&rhs_pane1)) {
1884
1885                 if (done[0]) {
1886                         return;
1887                 }
1888
1889                 if (!geometry || (prop = geometry->property("mixer-rhs-pane1-pos")) == 0) {
1890                         pos = height / 3;
1891                 } else {
1892                         pos = atoi (prop->value());
1893                 }
1894
1895                 if ((done[0] = GTK_WIDGET(rhs_pane1.gobj())->allocation.height > pos)) {
1896                         rhs_pane1.set_position (pos);
1897                 }
1898
1899         } else if (which == static_cast<Gtk::Paned*> (&rhs_pane2)) {
1900                 if (done[1]) {
1901                         return;
1902                 }
1903
1904                 if (!geometry || (prop = geometry->property("mixer-rhs-pane2-pos")) == 0) {
1905                         pos = 2 * height / 3;
1906                 } else {
1907                         pos = atoi (prop->value());
1908                 }
1909
1910                 if ((done[1] = GTK_WIDGET(rhs_pane2.gobj())->allocation.height > pos)) {
1911                         rhs_pane2.set_position (pos);
1912                 }
1913         } else if (which == static_cast<Gtk::Paned*> (&list_hpane)) {
1914
1915                 if (done[2]) {
1916                         return;
1917                 }
1918
1919                 if (!geometry || (prop = geometry->property("mixer-list-hpane-pos")) == 0) {
1920                         pos = std::max ((float)100, rintf ((float) 125 * UIConfiguration::instance().get_ui_scale()));
1921                 } else {
1922                         pos = max (36, atoi (prop->value ()));
1923                 }
1924
1925                 if ((done[2] = GTK_WIDGET(list_hpane.gobj())->allocation.width > pos)) {
1926                         list_hpane.set_position (pos);
1927                 }
1928         }
1929 }
1930 void
1931 Mixer_UI::scroll_left ()
1932 {
1933         if (!scroller.get_hscrollbar()) return;
1934         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
1935         /* stupid GTK: can't rely on clamping across versions */
1936         scroller.get_hscrollbar()->set_value (max (adj->get_lower(), adj->get_value() - adj->get_step_increment()));
1937 }
1938
1939 void
1940 Mixer_UI::scroll_right ()
1941 {
1942         if (!scroller.get_hscrollbar()) return;
1943         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
1944         /* stupid GTK: can't rely on clamping across versions */
1945         scroller.get_hscrollbar()->set_value (min (adj->get_upper(), adj->get_value() + adj->get_step_increment()));
1946 }
1947
1948 bool
1949 Mixer_UI::on_scroll_event (GdkEventScroll* ev)
1950 {
1951         switch (ev->direction) {
1952         case GDK_SCROLL_LEFT:
1953                 scroll_left ();
1954                 return true;
1955         case GDK_SCROLL_UP:
1956                 if (ev->state & Keyboard::TertiaryModifier) {
1957                         scroll_left ();
1958                         return true;
1959                 }
1960                 return false;
1961
1962         case GDK_SCROLL_RIGHT:
1963                 scroll_right ();
1964                 return true;
1965
1966         case GDK_SCROLL_DOWN:
1967                 if (ev->state & Keyboard::TertiaryModifier) {
1968                         scroll_right ();
1969                         return true;
1970                 }
1971                 return false;
1972         }
1973
1974         return false;
1975 }
1976
1977
1978 void
1979 Mixer_UI::parameter_changed (string const & p)
1980 {
1981         if (p == "show-group-tabs") {
1982                 bool const s = _session->config.get_show_group_tabs ();
1983                 if (s) {
1984                         _group_tabs->show ();
1985                 } else {
1986                         _group_tabs->hide ();
1987                 }
1988         } else if (p == "default-narrow_ms") {
1989                 bool const s = UIConfiguration::instance().get_default_narrow_ms ();
1990                 for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1991                         (*i)->set_width_enum (s ? Narrow : Wide, this);
1992                 }
1993         } else if (p == "remote-model") {
1994                 reset_remote_control_ids ();
1995         } else if (p == "use-monitor-bus") {
1996                 if (_session && !_session->monitor_out()) {
1997                         monitor_section_detached ();
1998                 }
1999         }
2000 }
2001
2002 void
2003 Mixer_UI::set_route_group_activation (RouteGroup* g, bool a)
2004 {
2005         g->set_active (a, this);
2006 }
2007
2008 PluginSelector*
2009 Mixer_UI::plugin_selector()
2010 {
2011 #ifdef DEFER_PLUGIN_SELECTOR_LOAD
2012         if (!_plugin_selector)
2013                 _plugin_selector = new PluginSelector (PluginManager::instance());
2014 #endif
2015
2016         return _plugin_selector;
2017 }
2018
2019 void
2020 Mixer_UI::setup_track_display ()
2021 {
2022         track_model = ListStore::create (track_columns);
2023         track_display.set_model (track_model);
2024         track_display.append_column (_("Strips"), track_columns.text);
2025         track_display.append_column (_("Show"), track_columns.visible);
2026         track_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
2027         track_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
2028         track_display.get_column (0)->set_expand(true);
2029         track_display.get_column (1)->set_expand(false);
2030         track_display.get_column (0)->set_sizing (Gtk::TREE_VIEW_COLUMN_FIXED);
2031         track_display.set_name (X_("EditGroupList"));
2032         track_display.get_selection()->set_mode (Gtk::SELECTION_NONE);
2033         track_display.set_reorderable (true);
2034         track_display.set_headers_visible (true);
2035         track_display.set_can_focus(false);
2036
2037         track_model->signal_row_deleted().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_delete));
2038         track_model->signal_rows_reordered().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_reorder));
2039
2040         CellRendererToggle* track_list_visible_cell = dynamic_cast<CellRendererToggle*>(track_display.get_column_cell_renderer (1));
2041         track_list_visible_cell->property_activatable() = true;
2042         track_list_visible_cell->property_radio() = false;
2043         track_list_visible_cell->signal_toggled().connect (sigc::mem_fun (*this, &Mixer_UI::track_visibility_changed));
2044
2045         track_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::track_display_button_press), false);
2046
2047         track_display_scroller.add (track_display);
2048         track_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
2049
2050         VBox* v = manage (new VBox);
2051         v->show ();
2052         v->pack_start (track_display_scroller, true, true);
2053
2054         Button* b = manage (new Button);
2055         b->show ();
2056         Widget* w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
2057         w->show ();
2058         b->add (*w);
2059
2060         b->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::new_track_or_bus));
2061
2062         v->pack_start (*b, false, false);
2063
2064         track_display_frame.set_name("BaseFrame");
2065         track_display_frame.set_shadow_type (Gtk::SHADOW_IN);
2066         track_display_frame.add (*v);
2067
2068         track_display_scroller.show();
2069         track_display_frame.show();
2070         track_display.show();
2071 }
2072
2073 void
2074 Mixer_UI::new_track_or_bus ()
2075 {
2076         ARDOUR_UI::instance()->add_route ();
2077 }
2078
2079
2080 void
2081 Mixer_UI::update_title ()
2082 {
2083         if (!own_window()) {
2084                 return;
2085         }
2086
2087         if (_session) {
2088                 string n;
2089
2090                 if (_session->snap_name() != _session->name()) {
2091                         n = _session->snap_name ();
2092                 } else {
2093                         n = _session->name ();
2094                 }
2095
2096                 if (_session->dirty ()) {
2097                         n = "*" + n;
2098                 }
2099
2100                 WindowTitle title (n);
2101                 title += S_("Window|Mixer");
2102                 title += Glib::get_application_name ();
2103                 own_window()->set_title (title.get_string());
2104
2105         } else {
2106
2107                 WindowTitle title (S_("Window|Mixer"));
2108                 title += Glib::get_application_name ();
2109                 own_window()->set_title (title.get_string());
2110         }
2111 }
2112
2113 MixerStrip*
2114 Mixer_UI::strip_by_x (int x)
2115 {
2116         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
2117                 int x1, x2, y;
2118
2119                 (*i)->translate_coordinates (_content, 0, 0, x1, y);
2120                 x2 = x1 + (*i)->get_width();
2121
2122                 if (x >= x1 && x <= x2) {
2123                         return (*i);
2124                 }
2125         }
2126
2127         return 0;
2128 }
2129
2130 void
2131 Mixer_UI::set_route_targets_for_operation ()
2132 {
2133         _route_targets.clear ();
2134
2135         if (!_selection.empty()) {
2136                 _route_targets = _selection.routes;
2137                 return;
2138         }
2139
2140 //  removed "implicit" selections of strips, after discussion on IRC
2141
2142 }
2143
2144 void
2145 Mixer_UI::monitor_section_going_away ()
2146 {
2147         if (_monitor_section) {
2148                 monitor_section_detached ();
2149                 out_packer.remove (_monitor_section->tearoff());
2150                 _monitor_section->set_session (0);
2151                 delete _monitor_section;
2152                 _monitor_section = 0;
2153         }
2154 }
2155
2156 void
2157 Mixer_UI::toggle_midi_input_active (bool flip_others)
2158 {
2159         boost::shared_ptr<RouteList> rl (new RouteList);
2160         bool onoff = false;
2161
2162         set_route_targets_for_operation ();
2163
2164         for (RouteUISelection::iterator r = _route_targets.begin(); r != _route_targets.end(); ++r) {
2165                 boost::shared_ptr<MidiTrack> mt = (*r)->midi_track();
2166
2167                 if (mt) {
2168                         rl->push_back ((*r)->route());
2169                         onoff = !mt->input_active();
2170                 }
2171         }
2172
2173         _session->set_exclusive_input_active (rl, onoff, flip_others);
2174 }
2175
2176 void
2177 Mixer_UI::maximise_mixer_space ()
2178 {
2179         if (!own_window()) {
2180                 return;
2181         }
2182
2183         if (_maximised) {
2184                 return;
2185         }
2186
2187         _window->fullscreen ();
2188         _maximised = true;
2189 }
2190
2191 void
2192 Mixer_UI::restore_mixer_space ()
2193 {
2194         if (!own_window()) {
2195                 return;
2196         }
2197
2198         if (!_maximised) {
2199                 return;
2200         }
2201
2202         own_window()->unfullscreen();
2203         _maximised = false;
2204 }
2205
2206 void
2207 Mixer_UI::monitor_section_attached ()
2208 {
2209         Glib::RefPtr<Action> act = ActionManager::get_action ("Common", "ToggleMonitorSection");
2210         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2211         act->set_sensitive (true);
2212         tact->set_active ();
2213 }
2214
2215 void
2216 Mixer_UI::monitor_section_detached ()
2217 {
2218         Glib::RefPtr<Action> act = ActionManager::get_action ("Common", "ToggleMonitorSection");
2219         act->set_sensitive (false);
2220 }
2221
2222 void
2223 Mixer_UI::store_current_favorite_order ()
2224 {
2225         typedef Gtk::TreeModel::Children type_children;
2226         type_children children = favorite_plugins_model->children();
2227         favorite_order.clear();
2228         for(type_children::iterator iter = children.begin(); iter != children.end(); ++iter)
2229         {
2230                 Gtk::TreeModel::Row row = *iter;
2231                 ARDOUR::PluginPresetPtr ppp = row[favorite_plugins_columns.plugin];
2232                 favorite_order.push_back (ppp->_pip);
2233                 std::string name = row[favorite_plugins_columns.name];
2234                 favorite_ui_state[(*ppp->_pip).unique_id] = favorite_plugins_display.row_expanded (favorite_plugins_model->get_path(iter));
2235         }
2236 }
2237
2238 void
2239 Mixer_UI::save_favorite_ui_state (const TreeModel::iterator& iter, const TreeModel::Path& path)
2240 {
2241         Gtk::TreeModel::Row row = *iter;
2242         ARDOUR::PluginPresetPtr ppp = row[favorite_plugins_columns.plugin];
2243         assert (ppp);
2244         favorite_ui_state[(*ppp->_pip).unique_id] = favorite_plugins_display.row_expanded (favorite_plugins_model->get_path(iter));
2245 }
2246
2247 void
2248 Mixer_UI::refiller (PluginInfoList& result, const PluginInfoList& plugs)
2249 {
2250         PluginManager& manager (PluginManager::instance());
2251         for (PluginInfoList::const_iterator i = plugs.begin(); i != plugs.end(); ++i) {
2252                 if (manager.get_status (*i) != PluginManager::Favorite) {
2253                         continue;
2254                 }
2255                 result.push_back (*i);
2256         }
2257 }
2258
2259 struct PluginCustomSorter {
2260 public:
2261         bool operator() (PluginInfoPtr a, PluginInfoPtr b) const {
2262                 PluginInfoList::const_iterator aiter = _user.begin();
2263                 PluginInfoList::const_iterator biter = _user.begin();
2264                 while (aiter != _user.end()) { if ((*aiter)->unique_id == a->unique_id) { break; } ++aiter; }
2265                 while (biter != _user.end()) { if ((*biter)->unique_id == b->unique_id) { break; } ++biter; }
2266
2267                 if (aiter != _user.end() && biter != _user.end()) {
2268                         return std::distance (_user.begin(), aiter) < std::distance (_user.begin(), biter);
2269                 }
2270                 if (aiter != _user.end()) {
2271                         return true;
2272                 }
2273                 if (biter != _user.end()) {
2274                         return false;
2275                 }
2276                 return ARDOUR::cmp_nocase((*a).name, (*b).name) == -1;
2277         }
2278         PluginCustomSorter(PluginInfoList user) : _user (user)  {}
2279 private:
2280         PluginInfoList _user;
2281 };
2282
2283 void
2284 Mixer_UI::refill_favorite_plugins ()
2285 {
2286         PluginInfoList plugs;
2287         PluginManager& mgr (PluginManager::instance());
2288
2289 #ifdef LV2_SUPPORT
2290         refiller (plugs, mgr.lv2_plugin_info ());
2291 #endif
2292 #ifdef WINDOWS_VST_SUPPORT
2293         refiller (plugs, mgr.windows_vst_plugin_info ());
2294 #endif
2295 #ifdef LXVST_SUPPORT
2296         refiller (plugs, mgr.lxvst_plugin_info ());
2297 #endif
2298 #ifdef AUDIOUNIT_SUPPORT
2299         refiller (plugs, mgr.au_plugin_info ());
2300 #endif
2301         refiller (plugs, mgr.ladspa_plugin_info ());
2302         refiller (plugs, mgr.lua_plugin_info ());
2303
2304         store_current_favorite_order ();
2305
2306         PluginCustomSorter cmp (favorite_order);
2307         plugs.sort (cmp);
2308
2309         favorite_order = plugs;
2310
2311         sync_treeview_from_favorite_order ();
2312 }
2313
2314 void
2315 Mixer_UI::sync_treeview_favorite_ui_state (const TreeModel::Path& path, const TreeModel::iterator&)
2316 {
2317         TreeIter iter;
2318         if (!(iter = favorite_plugins_model->get_iter (path))) {
2319                 return;
2320         }
2321         ARDOUR::PluginPresetPtr ppp = (*iter)[favorite_plugins_columns.plugin];
2322         if (!ppp) {
2323                 return;
2324         }
2325         PluginInfoPtr pip = ppp->_pip;
2326         if (favorite_ui_state.find (pip->unique_id) != favorite_ui_state.end ()) {
2327                 if (favorite_ui_state[pip->unique_id]) {
2328                         favorite_plugins_display.expand_row (path, true);
2329                 }
2330         }
2331 }
2332
2333 void
2334 Mixer_UI::sync_treeview_from_favorite_order ()
2335 {
2336         favorite_plugins_model->clear ();
2337         for (PluginInfoList::const_iterator i = favorite_order.begin(); i != favorite_order.end(); ++i) {
2338                 PluginInfoPtr pip = (*i);
2339
2340                 TreeModel::Row newrow = *(favorite_plugins_model->append());
2341                 newrow[favorite_plugins_columns.name] = (*i)->name;
2342                 newrow[favorite_plugins_columns.plugin] = PluginPresetPtr (new PluginPreset(pip));
2343                 if (!_session) {
2344                         continue;
2345                 }
2346
2347                 vector<ARDOUR::Plugin::PresetRecord> presets = (*i)->get_presets (true);
2348                 for (vector<ARDOUR::Plugin::PresetRecord>::const_iterator j = presets.begin(); j != presets.end(); ++j) {
2349                         Gtk::TreeModel::Row child_row = *(favorite_plugins_model->append (newrow.children()));
2350                         child_row[favorite_plugins_columns.name] = (*j).label;
2351                         child_row[favorite_plugins_columns.plugin] = PluginPresetPtr (new PluginPreset(pip, &(*j)));
2352                 }
2353                 if (favorite_ui_state.find (pip->unique_id) != favorite_ui_state.end ()) {
2354                         if (favorite_ui_state[pip->unique_id]) {
2355                                 favorite_plugins_display.expand_row (favorite_plugins_model->get_path(newrow), true);
2356                         }
2357                 }
2358         }
2359 }
2360
2361 void
2362 Mixer_UI::popup_note_context_menu (GdkEventButton *ev)
2363 {
2364         using namespace Gtk::Menu_Helpers;
2365
2366         Gtk::Menu* m = manage (new Menu);
2367         MenuList& items = m->items ();
2368
2369         if (_selection.routes.empty()) {
2370                 items.push_back (MenuElem (_("No Track/Bus is selected.")));
2371         } else {
2372                 items.push_back (MenuElem (_("Add at the top"),
2373                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddTop)));
2374                 items.push_back (MenuElem (_("Add Pre-Fader"),
2375                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddPreFader)));
2376                 items.push_back (MenuElem (_("Add Post-Fader"),
2377                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddPostFader)));
2378                 items.push_back (MenuElem (_("Add at the end"),
2379                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddBottom)));
2380         }
2381
2382         items.push_back (SeparatorElem());
2383
2384         items.push_back (MenuElem (_("Remove from favorites"), sigc::mem_fun (*this, &Mixer_UI::remove_selected_from_favorites)));
2385
2386         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2387         if (ppp && ppp->_preset.valid && ppp->_preset.user) {
2388                 // we cannot currently delete AU presets
2389                 if (!ppp->_pip || ppp->_pip->type != AudioUnit) {
2390                         items.push_back (MenuElem (_("Delete Preset"), sigc::mem_fun (*this, &Mixer_UI::delete_selected_preset)));
2391                 }
2392         }
2393
2394         m->popup (ev->button, ev->time);
2395 }
2396
2397 bool
2398 Mixer_UI::plugin_row_button_press (GdkEventButton *ev)
2399 {
2400         if ((ev->type == GDK_BUTTON_PRESS) && (ev->button == 3) ) {
2401                 TreeModel::Path path;
2402                 TreeViewColumn* column;
2403                 int cellx, celly;
2404                 if (favorite_plugins_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
2405                         Glib::RefPtr<Gtk::TreeView::Selection> selection = favorite_plugins_display.get_selection();
2406                         if (selection) {
2407                                 selection->unselect_all();
2408                                 selection->select(path);
2409                         }
2410                 }
2411                 ARDOUR::PluginPresetPtr ppp = selected_plugin();
2412                 if (ppp) {
2413                         popup_note_context_menu (ev);
2414                 }
2415         }
2416         return false;
2417 }
2418
2419
2420 PluginPresetPtr
2421 Mixer_UI::selected_plugin ()
2422 {
2423         Glib::RefPtr<Gtk::TreeView::Selection> selection = favorite_plugins_display.get_selection();
2424         if (!selection) {
2425                 return PluginPresetPtr();
2426         }
2427         Gtk::TreeModel::iterator iter = selection->get_selected();
2428         if (!iter) {
2429                 return PluginPresetPtr();
2430         }
2431         return (*iter)[favorite_plugins_columns.plugin];
2432 }
2433
2434 void
2435 Mixer_UI::add_selected_processor (ProcessorPosition pos)
2436 {
2437         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2438         if (ppp) {
2439                 add_favorite_processor (ppp, pos);
2440         }
2441 }
2442
2443 void
2444 Mixer_UI::delete_selected_preset ()
2445 {
2446         if (!_session) {
2447                 return;
2448         }
2449         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2450         if (!ppp || !ppp->_preset.valid || !ppp->_preset.user) {
2451                 return;
2452         }
2453         PluginPtr plugin = ppp->_pip->load (*_session);
2454         plugin->get_presets();
2455         plugin->remove_preset (ppp->_preset.label);
2456 }
2457
2458 void
2459 Mixer_UI::remove_selected_from_favorites ()
2460 {
2461         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2462         if (!ppp) {
2463                 return;
2464         }
2465         PluginManager::PluginStatusType status = PluginManager::Normal;
2466         PluginManager& manager (PluginManager::instance());
2467
2468         manager.set_status (ppp->_pip->type, ppp->_pip->unique_id, status);
2469         manager.save_statuses ();
2470 }
2471
2472 void
2473 Mixer_UI::plugin_row_activated (const TreeModel::Path& path, TreeViewColumn* column)
2474 {
2475         TreeIter iter;
2476         if (!(iter = favorite_plugins_model->get_iter (path))) {
2477                 return;
2478         }
2479         ARDOUR::PluginPresetPtr ppp = (*iter)[favorite_plugins_columns.plugin];
2480         add_favorite_processor (ppp, AddPreFader); // TODO: preference?!
2481 }
2482
2483 void
2484 Mixer_UI::add_favorite_processor (ARDOUR::PluginPresetPtr ppp, ProcessorPosition pos)
2485 {
2486         if (!_session || _selection.routes.empty()) {
2487                 return;
2488         }
2489
2490         PluginInfoPtr pip = ppp->_pip;
2491         for (RouteUISelection::iterator i = _selection.routes.begin(); i != _selection.routes.end(); ++i) {
2492                 boost::shared_ptr<ARDOUR::Route> rt = (*i)->route();
2493                 if (!rt) { continue; }
2494
2495                 PluginPtr p = pip->load (*_session);
2496                 if (!p) { continue; }
2497
2498                 if (ppp->_preset.valid) {
2499                         p->load_preset (ppp->_preset);
2500                 }
2501
2502                 Route::ProcessorStreams err;
2503                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
2504
2505                 switch (pos) {
2506                         case AddTop:
2507                                 rt->add_processor_by_index (processor, 0, &err, Config->get_new_plugins_active ());
2508                                 break;
2509                         case AddPreFader:
2510                                 rt->add_processor (processor, PreFader, &err, Config->get_new_plugins_active ());
2511                                 break;
2512                         case AddPostFader:
2513                                 {
2514                                         int idx = 0;
2515                                         int pos = 0;
2516                                         for (;;++idx) {
2517                                                 boost::shared_ptr<Processor> np = rt->nth_processor (idx);
2518                                                 if (!np) {
2519                                                         break;
2520                                                 }
2521                                                 if (!np->display_to_user()) {
2522                                                         continue;
2523                                                 }
2524                                                 if (boost::dynamic_pointer_cast<Amp> (np) && // Fader, not Trim
2525                                                                 boost::dynamic_pointer_cast<Amp> (np)->gain_control()->parameter().type() == GainAutomation) {
2526                                                         break;
2527                                                 }
2528                                                 ++pos;
2529                                         }
2530                                         rt->add_processor_by_index (processor, ++pos, &err, Config->get_new_plugins_active ());
2531                                 }
2532                                 break;
2533                         case AddBottom:
2534                                 rt->add_processor_by_index (processor, -1, &err, Config->get_new_plugins_active ());
2535                                 break;
2536                 }
2537         }
2538 }
2539
2540 bool
2541 PluginTreeStore::row_drop_possible_vfunc(const Gtk::TreeModel::Path& dest, const Gtk::SelectionData& data) const
2542 {
2543         if (data.get_target() != "GTK_TREE_MODEL_ROW") {
2544                 return false;
2545         }
2546
2547         // only allow to re-order top-level items
2548         TreePath src;
2549         if (TreePath::get_from_selection_data (data, src)) {
2550                 if (src.up() && src.up()) {
2551                         return false;
2552                 }
2553         }
2554
2555         // don't allow to drop as child-rows.
2556         Gtk::TreeModel::Path _dest = dest; // un const
2557         const bool is_child = _dest.up (); // explicit bool for clang
2558         if (!is_child || _dest.empty ()) {
2559                 return true;
2560         }
2561         return false;
2562 }
2563
2564 void
2565 Mixer_UI::plugin_drop (const Glib::RefPtr<Gdk::DragContext>&, const Gtk::SelectionData& data)
2566 {
2567         if (data.get_target() != "PluginPresetPtr") {
2568                 return;
2569         }
2570         if (data.get_length() != sizeof (PluginPresetPtr)) {
2571                 return;
2572         }
2573         const void *d = data.get_data();
2574         const PluginPresetPtr ppp = *(static_cast<const PluginPresetPtr*> (d));
2575
2576         PluginManager::PluginStatusType status = PluginManager::Favorite;
2577         PluginManager& manager (PluginManager::instance());
2578
2579         manager.set_status (ppp->_pip->type, ppp->_pip->unique_id, status);
2580         manager.save_statuses ();
2581 }