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/utils.h>
  38 #include <gtkmm2ext/tearoff.h>
  39 #include <gtkmm2ext/window_title.h>
  40 #include <gtkmm2ext/doi.h>
  41
  42 #include "ardour/amp.h"
  43 #include "ardour/debug.h"
  44 #include "ardour/midi_track.h"
  45 #include "ardour/plugin_manager.h"
  46 #include "ardour/route_group.h"
  47 #include "ardour/route_sorters.h"
  48 #include "ardour/session.h"
  49
  50 #include "keyboard.h"
  51 #include "mixer_ui.h"
  52 #include "mixer_strip.h"
  53 #include "monitor_section.h"
  54 #include "plugin_selector.h"
  55 #include "public_editor.h"
  56 #include "ardour_ui.h"
  57 #include "prompter.h"
  58 #include "utils.h"
  59 #include "route_sorter.h"
  60 #include "actions.h"
  61 #include "gui_thread.h"
  62 #include "mixer_group_tabs.h"
  63 #include "timers.h"
  64 #include "ui_config.h"
  65
  66 #include "i18n.h"
  67
  68 using namespace ARDOUR;
  69 using namespace ARDOUR_UI_UTILS;
  70 using namespace PBD;
  71 using namespace Gtk;
  72 using namespace Glib;
  73 using namespace Gtkmm2ext;
  74 using namespace std;
  75
  76 using PBD::atoi;
  77 using PBD::Unwinder;
  78
  79 Mixer_UI* Mixer_UI::_instance = 0;
  80
  81 Mixer_UI*
  82 Mixer_UI::instance ()
  83 {
  84         if (!_instance) {
  85                 _instance  = new Mixer_UI;
  86         }
  87
  88         return _instance;
  89 }
  90
  91 Mixer_UI::Mixer_UI ()
  92         : Tabbable (_content, _("Mixer"))
  93         , no_track_list_redisplay (false)
  94         , in_group_row_change (false)
  95         , track_menu (0)
  96         , _monitor_section (0)
  97         , _plugin_selector (0)
  98         , _strip_width (UIConfiguration::instance().get_default_narrow_ms() ? Narrow : Wide)
  99         , ignore_reorder (false)
 100         , _in_group_rebuild_or_clear (false)
 101         , _route_deletion_in_progress (false)
 102         , _following_editor_selection (false)
 103         , _maximised (false)
 104         , _show_mixer_list (true)
 105 {
 106         Route::SyncOrderKeys.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::sync_treeview_from_order_keys, this), gui_context());
 107
 108         scroller.set_can_default (true);
 109         // set_default (scroller);
 110
 111         scroller_base.set_flags (Gtk::CAN_FOCUS);
 112         scroller_base.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 113         scroller_base.set_name ("MixerWindow");
 114         scroller_base.signal_button_release_event().connect (sigc::mem_fun(*this, &Mixer_UI::strip_scroller_button_release));
 115         // add as last item of strip packer
 116         strip_packer.pack_end (scroller_base, true, true);
 117
 118         _group_tabs = new MixerGroupTabs (this);
 119         VBox* b = manage (new VBox);
 120         b->pack_start (*_group_tabs, PACK_SHRINK);
 121         b->pack_start (strip_packer);
 122         b->show_all ();
 123
 124         scroller.add (*b);
 125         scroller.set_policy (Gtk::POLICY_ALWAYS, Gtk::POLICY_AUTOMATIC);
 126
 127         setup_track_display ();
 128
 129         group_model = ListStore::create (group_columns);
 130         group_display.set_model (group_model);
 131         group_display.append_column (_("Group"), group_columns.text);
 132         group_display.append_column (_("Show"), group_columns.visible);
 133         group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 134         group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 135         group_display.get_column (0)->set_expand(true);
 136         group_display.get_column (1)->set_expand(false);
 137         group_display.set_name ("EditGroupList");
 138         group_display.get_selection()->set_mode (Gtk::SELECTION_SINGLE);
 139         group_display.set_reorderable (true);
 140         group_display.set_headers_visible (true);
 141         group_display.set_rules_hint (true);
 142         group_display.set_can_focus(false);
 143
 144         /* name is directly editable */
 145
 146         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(group_display.get_column_cell_renderer (0));
 147         name_cell->property_editable() = true;
 148         name_cell->signal_edited().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_name_edit));
 149
 150         /* use checkbox for the active column */
 151
 152         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(group_display.get_column_cell_renderer (1));
 153         active_cell->property_activatable() = true;
 154         active_cell->property_radio() = false;
 155
 156         group_model->signal_row_changed().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_row_change));
 157         /* We use this to notice drag-and-drop reorders of the group list */
 158         group_model->signal_row_deleted().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_row_deleted));
 159         group_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::group_display_button_press), false);
 160
 161         group_display_scroller.add (group_display);
 162         group_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 163
 164         HBox* route_group_display_button_box = manage (new HBox());
 165
 166         Button* route_group_add_button = manage (new Button ());
 167         Button* route_group_remove_button = manage (new Button ());
 168
 169         Widget* w;
 170
 171         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 172         w->show();
 173         route_group_add_button->add (*w);
 174
 175         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 176         w->show();
 177         route_group_remove_button->add (*w);
 178
 179         route_group_display_button_box->set_homogeneous (true);
 180
 181         route_group_add_button->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::new_route_group));
 182         route_group_remove_button->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::remove_selected_route_group));
 183
 184         route_group_display_button_box->add (*route_group_add_button);
 185         route_group_display_button_box->add (*route_group_remove_button);
 186
 187         group_display_vbox.pack_start (group_display_scroller, true, true);
 188         group_display_vbox.pack_start (*route_group_display_button_box, false, false);
 189
 190         group_display_frame.set_name ("BaseFrame");
 191         group_display_frame.set_shadow_type (Gtk::SHADOW_IN);
 192         group_display_frame.add (group_display_vbox);
 193
 194         favorite_plugins_model = PluginTreeStore::create (favorite_plugins_columns);
 195         favorite_plugins_display.set_model (favorite_plugins_model);
 196         favorite_plugins_display.append_column (_("Favorite Plugins"), favorite_plugins_columns.name);
 197         favorite_plugins_display.set_name ("EditGroupList");
 198         favorite_plugins_display.get_selection()->set_mode (Gtk::SELECTION_SINGLE);
 199         favorite_plugins_display.set_reorderable (false);
 200         favorite_plugins_display.set_headers_visible (true);
 201         favorite_plugins_display.set_rules_hint (true);
 202         favorite_plugins_display.set_can_focus (false);
 203         favorite_plugins_display.add_object_drag (favorite_plugins_columns.plugin.index(), "PluginPresetPtr");
 204         favorite_plugins_display.set_drag_column (favorite_plugins_columns.name.index());
 205         favorite_plugins_display.signal_row_activated().connect (sigc::mem_fun (*this, &Mixer_UI::plugin_row_activated));
 206         favorite_plugins_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::plugin_row_button_press), false);
 207         favorite_plugins_display.signal_drop.connect (sigc::mem_fun (*this, &Mixer_UI::plugin_drop));
 208         favorite_plugins_display.signal_row_expanded().connect (sigc::mem_fun (*this, &Mixer_UI::save_favorite_ui_state));
 209         favorite_plugins_display.signal_row_collapsed().connect (sigc::mem_fun (*this, &Mixer_UI::save_favorite_ui_state));
 210         favorite_plugins_model->signal_row_has_child_toggled().connect (sigc::mem_fun (*this, &Mixer_UI::sync_treeview_favorite_ui_state));
 211
 212         favorite_plugins_scroller.add (favorite_plugins_display);
 213         favorite_plugins_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 214
 215         favorite_plugins_frame.set_name ("BaseFrame");
 216         favorite_plugins_frame.set_shadow_type (Gtk::SHADOW_IN);
 217         favorite_plugins_frame.add (favorite_plugins_scroller);
 218
 219         rhs_pane1.pack1 (favorite_plugins_frame, false, true);
 220         rhs_pane1.pack2 (track_display_frame);
 221         rhs_pane2.pack1 (rhs_pane1);
 222         rhs_pane2.pack2 (group_display_frame);
 223
 224         list_vpacker.pack_start (rhs_pane2, true, true);
 225
 226         global_hpacker.pack_start (scroller, true, true);
 227         global_hpacker.pack_start (out_packer, false, false, 0);
 228
 229         list_hpane.pack1(list_vpacker, false, true);
 230         list_hpane.pack2(global_hpacker, true, false);
 231
 232         rhs_pane1.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::pane_allocation_handler),
 233                                                         static_cast<Gtk::Paned*> (&rhs_pane1)));
 234         rhs_pane2.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::pane_allocation_handler),
 235                                                         static_cast<Gtk::Paned*> (&rhs_pane2)));
 236         list_hpane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::pane_allocation_handler),
 237                                                          static_cast<Gtk::Paned*> (&list_hpane)));
 238
 239         _content.pack_start (list_hpane, true, true);
 240
 241         update_title ();
 242
 243         route_group_display_button_box->show();
 244         route_group_add_button->show();
 245         route_group_remove_button->show();
 246
 247         _content.show ();
 248         _content.set_name ("MixerWindow");
 249
 250         global_hpacker.show();
 251         scroller.show();
 252         scroller_base.show();
 253         scroller_hpacker.show();
 254         mixer_scroller_vpacker.show();
 255         list_vpacker.show();
 256         group_display_button_label.show();
 257         group_display_button.show();
 258         group_display_scroller.show();
 259         favorite_plugins_scroller.show();
 260         group_display_vbox.show();
 261         group_display_frame.show();
 262         favorite_plugins_frame.show();
 263         rhs_pane1.show();
 264         rhs_pane2.show();
 265         strip_packer.show();
 266         out_packer.show();
 267         list_hpane.show();
 268         group_display.show();
 269         favorite_plugins_display.show();
 270
 271         MixerStrip::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::remove_strip, this, _1), gui_context());
 272
 273 #ifndef DEFER_PLUGIN_SELECTOR_LOAD
 274         _plugin_selector = new PluginSelector (PluginManager::instance ());
 275 #else
 276 #error implement deferred Plugin-Favorite list
 277 #endif
 278         PluginManager::instance ().PluginListChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::refill_favorite_plugins, this), gui_context());
 279         PluginManager::instance ().PluginStatusesChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::refill_favorite_plugins, this), gui_context());
 280         ARDOUR::Plugin::PresetsChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::refill_favorite_plugins, this), gui_context());
 281 }
 282
 283 Mixer_UI::~Mixer_UI ()
 284 {
 285         if (_monitor_section) {
 286                 monitor_section_detached ();
 287                 delete _monitor_section;
 288         }
 289         delete _plugin_selector;
 290 }
 291
 292 void
 293 Mixer_UI::track_editor_selection ()
 294 {
 295         PublicEditor::instance().get_selection().TracksChanged.connect (sigc::mem_fun (*this, &Mixer_UI::follow_editor_selection));
 296 }
 297
 298 void
 299 Gtk::Window*
 300 Mixer_UI::use_own_window (bool and_fill_it)
 301 {
 302         bool new_window = !own_window();
 303
 304         Gtk::Window* win = Tabbable::use_own_window (and_fill_it);
 305
 306
 307         if (win && new_window) {
 308                 win->set_name ("MixerWindow");
 309                 ARDOUR_UI::instance()->setup_toplevel_window (*win, _("Mixer"), this);
 310                 win->signal_scroll_event().connect (sigc::mem_fun (*this, &Mixer_UI::on_scroll_event), false);
 311                 win->set_data ("ardour-bindings", bindings);
 312                 update_title ();
 313         }
 314
 315         return win;
 316 }
 317
 318 Mixer_UI::show_window ()
 319 {
 320         if (_parent_window) {
 321                 _parent_window->present ();
 322         }
 323
 324         if (!_visible) { /* was hidden, update status */
 325
 326                 set_window_pos_and_size ();
 327
 328                 /* show/hide group tabs as required */
 329                 parameter_changed ("show-group-tabs");
 330
 331                 /* now reset each strips width so the right widgets are shown */
 332                 MixerStrip* ms;
 333
 334                 TreeModel::Children rows = track_model->children();
 335                 TreeModel::Children::iterator ri;
 336
 337                 for (ri = rows.begin(); ri != rows.end(); ++ri) {
 338                         ms = (*ri)[track_columns.strip];
 339                         ms->set_width_enum (ms->get_width_enum (), ms->width_owner());
 340                         /* Fix visibility of mixer strip stuff */
 341                         ms->parameter_changed (X_("mixer-element-visibility"));
 342                 }
 343         }
 344
 345         if (!_parent_window) {
 346                 /* not in its own window, just switch main tabs to show mixer */
 347                 int pagenum = ARDOUR_UI::instance()->tabs().page_num (*this);
 348                 ARDOUR_UI::instance()->tabs().set_current_page (pagenum);
 349         }
 350
 351         /* force focus into main area */
 352         scroller_base.grab_focus ();
 353         _visible = true;
 354 }
 355
 356 bool
 357 Mixer_UI::hide_window (GdkEventAny *ev)
 358 {
 359         if (_parent_window) {
 360                 /* unpack Mixer_UI from parent, put it back in the main tabbed
 361                  * notebook
 362                  */
 363
 364                 get_window_pos_and_size ();
 365
 366                 get_parent()->remove (*this);
 367                 ARDOUR_UI::instance()->tabs().insert_page (*this, _("Mixer"), 1);
 368                 ARDOUR_UI::instance()->tabs().set_tab_detachable (*this);
 369                 ARDOUR_UI::instance()->tabs().set_current_page (0);
 370
 371                 show_all ();
 372
 373                 delete_when_idle (_parent_window);
 374                 _parent_window = 0;
 375         }
 376
 377         ARDOUR_UI::instance()->tabs().set_current_page (0);
 378
 379         _visible = false;
 380
 381         return true;
 382 }
 383
 384 void
 385 Mixer_UI::add_strips (RouteList& routes)
 386 {
 387         bool from_scratch = track_model->children().size() == 0;
 388         Gtk::TreeModel::Children::iterator insert_iter = track_model->children().end();
 389
 390         for (Gtk::TreeModel::Children::iterator it = track_model->children().begin(); it != track_model->children().end(); ++it) {
 391                 boost::shared_ptr<Route> r = (*it)[track_columns.route];
 392
 393                 if (r->order_key() == (routes.front()->order_key() + routes.size())) {
 394                         insert_iter = it;
 395                         break;
 396                 }
 397         }
 398
 399         if(!from_scratch) {
 400                 _selection.clear_routes ();
 401         }
 402
 403         MixerStrip* strip;
 404
 405         try {
 406                 no_track_list_redisplay = true;
 407                 track_display.set_model (Glib::RefPtr<ListStore>());
 408
 409                 for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
 410                         boost::shared_ptr<Route> route = (*x);
 411
 412                         if (route->is_auditioner()) {
 413                                 continue;
 414                         }
 415
 416                         if (route->is_monitor()) {
 417
 418                                 if (!_monitor_section) {
 419                                         _monitor_section = new MonitorSection (_session);
 420
 421                                         XMLNode* mnode = ARDOUR_UI::instance()->tearoff_settings (X_("monitor-section"));
 422                                         if (mnode) {
 423                                                 _monitor_section->tearoff().set_state (*mnode);
 424                                         }
 425                                 }
 426
 427                                 out_packer.pack_end (_monitor_section->tearoff(), false, false);
 428                                 _monitor_section->set_session (_session);
 429                                 _monitor_section->tearoff().show_all ();
 430
 431                                 _monitor_section->tearoff().Detach.connect (sigc::mem_fun(*this, &Mixer_UI::monitor_section_detached));
 432                                 _monitor_section->tearoff().Attach.connect (sigc::mem_fun(*this, &Mixer_UI::monitor_section_attached));
 433
 434                                 monitor_section_attached ();
 435
 436                                 route->DropReferences.connect (*this, invalidator(*this), boost::bind (&Mixer_UI::monitor_section_going_away, this), gui_context());
 437
 438                                 /* no regular strip shown for control out */
 439
 440                                 continue;
 441                         }
 442
 443                         strip = new MixerStrip (*this, _session, route);
 444                         strips.push_back (strip);
 445
 446                         UIConfiguration::instance().get_default_narrow_ms() ? _strip_width = Narrow : _strip_width = Wide;
 447
 448                         if (strip->width_owner() != strip) {
 449                                 strip->set_width_enum (_strip_width, this);
 450                         }
 451
 452                         show_strip (strip);
 453
 454                         TreeModel::Row row = *(track_model->insert(insert_iter));
 455                         row[track_columns.text] = route->name();
 456                         row[track_columns.visible] = strip->route()->is_master() ? true : strip->marked_for_display();
 457                         row[track_columns.route] = route;
 458                         row[track_columns.strip] = strip;
 459
 460                         if (!from_scratch) {
 461                                 _selection.add (strip);
 462                         }
 463
 464                         route->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::strip_property_changed, this, _1, strip), gui_context());
 465
 466                         strip->WidthChanged.connect (sigc::mem_fun(*this, &Mixer_UI::strip_width_changed));
 467                         strip->signal_button_release_event().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::strip_button_release_event), strip));
 468                 }
 469
 470         } catch (...) {
 471         }
 472
 473         no_track_list_redisplay = false;
 474         track_display.set_model (track_model);
 475
 476         sync_order_keys_from_treeview ();
 477         redisplay_track_list ();
 478 }
 479
 480 void
 481 Mixer_UI::deselect_all_strip_processors ()
 482 {
 483         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 484                 (*i)->deselect_all_processors();
 485         }
 486 }
 487
 488 void
 489 Mixer_UI::select_none ()
 490 {
 491         _selection.clear_routes();
 492         deselect_all_strip_processors();
 493 }
 494
 495 void
 496 Mixer_UI::delete_processors ()
 497 {
 498         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 499                 (*i)->delete_processors();
 500         }
 501 }
 502
 503
 504 void
 505 Mixer_UI::remove_strip (MixerStrip* strip)
 506 {
 507         if (_session && _session->deletion_in_progress()) {
 508                 /* its all being taken care of */
 509                 return;
 510         }
 511
 512         TreeModel::Children rows = track_model->children();
 513         TreeModel::Children::iterator ri;
 514         list<MixerStrip *>::iterator i;
 515
 516         if ((i = find (strips.begin(), strips.end(), strip)) != strips.end()) {
 517                 strips.erase (i);
 518         }
 519
 520         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 521                 if ((*ri)[track_columns.strip] == strip) {
 522                         PBD::Unwinder<bool> uw (_route_deletion_in_progress, true);
 523                         track_model->erase (ri);
 524                         break;
 525                 }
 526         }
 527 }
 528
 529 void
 530 Mixer_UI::reset_remote_control_ids ()
 531 {
 532         if (Config->get_remote_model() == UserOrdered || !_session || _session->deletion_in_progress()) {
 533                 return;
 534         }
 535
 536         TreeModel::Children rows = track_model->children();
 537
 538         if (rows.empty()) {
 539                 return;
 540         }
 541
 542         DEBUG_TRACE (DEBUG::OrderKeys, "mixer resets remote control ids after remote model change\n");
 543
 544         TreeModel::Children::iterator ri;
 545         bool rid_change = false;
 546         uint32_t rid = 1;
 547         uint32_t invisible_key = UINT32_MAX;
 548
 549         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 550
 551                 /* skip two special values */
 552
 553                 if (rid == Route::MasterBusRemoteControlID) {
 554                         rid++;
 555                 }
 556
 557                 if (rid == Route::MonitorBusRemoteControlID) {
 558                         rid++;
 559                 }
 560
 561                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 562                 bool visible = (*ri)[track_columns.visible];
 563
 564                 if (!route->is_master() && !route->is_monitor()) {
 565
 566                         uint32_t new_rid = (visible ? rid : invisible_key--);
 567
 568                         if (new_rid != route->remote_control_id()) {
 569                                 route->set_remote_control_id_explicit (new_rid);
 570                                 rid_change = true;
 571                         }
 572
 573                         if (visible) {
 574                                 rid++;
 575                         }
 576                 }
 577         }
 578
 579         if (rid_change) {
 580                 /* tell the world that we changed the remote control IDs */
 581                 _session->notify_remote_id_change ();
 582         }
 583 }
 584
 585 void
 586 Mixer_UI::sync_order_keys_from_treeview ()
 587 {
 588         if (ignore_reorder || !_session || _session->deletion_in_progress()) {
 589                 return;
 590         }
 591
 592         TreeModel::Children rows = track_model->children();
 593
 594         if (rows.empty()) {
 595                 return;
 596         }
 597
 598         DEBUG_TRACE (DEBUG::OrderKeys, "mixer sync order keys from model\n");
 599
 600         TreeModel::Children::iterator ri;
 601         bool changed = false;
 602         bool rid_change = false;
 603         uint32_t order = 0;
 604         uint32_t rid = 1;
 605         uint32_t invisible_key = UINT32_MAX;
 606
 607         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 608                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 609                 bool visible = (*ri)[track_columns.visible];
 610
 611                 uint32_t old_key = route->order_key ();
 612
 613                 if (order != old_key) {
 614                         route->set_order_key (order);
 615                         changed = true;
 616                 }
 617
 618                 if ((Config->get_remote_model() == MixerOrdered) && !route->is_master() && !route->is_monitor()) {
 619
 620                         uint32_t new_rid = (visible ? rid : invisible_key--);
 621
 622                         if (new_rid != route->remote_control_id()) {
 623                                 route->set_remote_control_id_explicit (new_rid);
 624                                 rid_change = true;
 625                         }
 626
 627                         if (visible) {
 628                                 rid++;
 629                         }
 630
 631                 }
 632
 633                 ++order;
 634         }
 635
 636         if (changed) {
 637                 /* tell everyone that we changed the mixer sort keys */
 638                 _session->sync_order_keys ();
 639         }
 640
 641         if (rid_change) {
 642                 /* tell the world that we changed the remote control IDs */
 643                 _session->notify_remote_id_change ();
 644         }
 645 }
 646
 647 void
 648 Mixer_UI::sync_treeview_from_order_keys ()
 649 {
 650         if (!_session || _session->deletion_in_progress()) {
 651                 return;
 652         }
 653
 654         DEBUG_TRACE (DEBUG::OrderKeys, "mixer sync model from order keys.\n");
 655
 656         /* we could get here after either a change in the Mixer or Editor sort
 657          * order, but either way, the mixer order keys reflect the intended
 658          * order for the GUI, so reorder the treeview model to match it.
 659          */
 660
 661         vector<int> neworder;
 662         TreeModel::Children rows = track_model->children();
 663         uint32_t old_order = 0;
 664         bool changed = false;
 665
 666         if (rows.empty()) {
 667                 return;
 668         }
 669
 670         OrderKeySortedRoutes sorted_routes;
 671
 672         for (TreeModel::Children::iterator ri = rows.begin(); ri != rows.end(); ++ri, ++old_order) {
 673                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 674                 sorted_routes.push_back (RoutePlusOrderKey (route, old_order, route->order_key ()));
 675         }
 676
 677         SortByNewDisplayOrder cmp;
 678
 679         sort (sorted_routes.begin(), sorted_routes.end(), cmp);
 680         neworder.assign (sorted_routes.size(), 0);
 681
 682         uint32_t n = 0;
 683
 684         for (OrderKeySortedRoutes::iterator sr = sorted_routes.begin(); sr != sorted_routes.end(); ++sr, ++n) {
 685
 686                 neworder[n] = sr->old_display_order;
 687
 688                 if (sr->old_display_order != n) {
 689                         changed = true;
 690                 }
 691
 692                 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("MIXER change order for %1 from %2 to %3\n",
 693                                                                sr->route->name(), sr->old_display_order, n));
 694         }
 695
 696         if (changed) {
 697                 Unwinder<bool> uw (ignore_reorder, true);
 698                 track_model->reorder (neworder);
 699         }
 700
 701         redisplay_track_list ();
 702 }
 703
 704 void
 705 Mixer_UI::follow_editor_selection ()
 706 {
 707         if (_following_editor_selection) {
 708                 return;
 709         }
 710
 711         _following_editor_selection = true;
 712         _selection.block_routes_changed (true);
 713
 714         TrackSelection& s (PublicEditor::instance().get_selection().tracks);
 715
 716         _selection.clear_routes ();
 717
 718         for (TrackViewList::iterator i = s.begin(); i != s.end(); ++i) {
 719                 RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*i);
 720                 if (rtav) {
 721                         MixerStrip* ms = strip_by_route (rtav->route());
 722                         if (ms) {
 723                                 _selection.add (ms);
 724                         }
 725                 }
 726         }
 727
 728         _following_editor_selection = false;
 729         _selection.block_routes_changed (false);
 730 }
 731
 732
 733 MixerStrip*
 734 Mixer_UI::strip_by_route (boost::shared_ptr<Route> r)
 735 {
 736         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 737                 if ((*i)->route() == r) {
 738                         return (*i);
 739                 }
 740         }
 741
 742         return 0;
 743 }
 744
 745 bool
 746 Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
 747 {
 748         if (ev->button == 1) {
 749                 if (_selection.selected (strip)) {
 750                         /* primary-click: toggle selection state of strip */
 751                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 752                                 _selection.remove (strip);
 753                         } else if (_selection.routes.size() > 1) {
 754                                 /* de-select others */
 755                                 _selection.set (strip);
 756                         }
 757                 } else {
 758                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 759                                 _selection.add (strip);
 760                         } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::RangeSelectModifier)) {
 761
 762                                 if (!_selection.selected(strip)) {
 763
 764                                         /* extend selection */
 765
 766                                         vector<MixerStrip*> tmp;
 767                                         bool accumulate = false;
 768                                         bool found_another = false;
 769
 770                                         tmp.push_back (strip);
 771
 772                                         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
 773                                                 if ((*i) == strip) {
 774                                                         /* hit clicked strip, start accumulating till we hit the first
 775                                                            selected strip
 776                                                         */
 777                                                         if (accumulate) {
 778                                                                 /* done */
 779                                                                 break;
 780                                                         } else {
 781                                                                 accumulate = true;
 782                                                         }
 783                                                 } else if (_selection.selected (*i)) {
 784                                                         /* hit selected strip. if currently accumulating others,
 785                                                            we're done. if not accumulating others, start doing so.
 786                                                         */
 787                                                         found_another = true;
 788                                                         if (accumulate) {
 789                                                                 /* done */
 790                                                                 break;
 791                                                         } else {
 792                                                                 accumulate = true;
 793                                                         }
 794                                                 } else {
 795                                                         if (accumulate) {
 796                                                                 tmp.push_back (*i);
 797                                                         }
 798                                                 }
 799                                         }
 800
 801                                         if (found_another) {
 802                                                 for (vector<MixerStrip*>::iterator i = tmp.begin(); i != tmp.end(); ++i) {
 803                                                         _selection.add (*i);
 804                                                 }
 805                                         } else
 806                                                 _selection.set (strip);  //user wants to start a range selection, but there aren't any others selected yet
 807                                 }
 808
 809                         } else {
 810                                 _selection.set (strip);
 811                         }
 812                 }
 813         }
 814
 815         return true;
 816 }
 817
 818 void
 819 Mixer_UI::set_session (Session* sess)
 820 {
 821         SessionHandlePtr::set_session (sess);
 822
 823         if (_plugin_selector) {
 824                 _plugin_selector->set_session (_session);
 825         }
 826
 827         _group_tabs->set_session (sess);
 828
 829         if (!_session) {
 830                 return;
 831         }
 832
 833         refill_favorite_plugins();
 834
 835         XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
 836         set_state (*node, 0);
 837
 838         update_title ();
 839
 840         initial_track_display ();
 841
 842         _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_strips, this, _1), gui_context());
 843         _session->route_group_added.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_route_group, this, _1), gui_context());
 844         _session->route_group_removed.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 845         _session->route_groups_reordered.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 846         _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context());
 847         _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 848         _session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 849
 850         Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context ());
 851
 852         route_groups_changed ();
 853
 854         if (_visible) {
 855                 show_window();
 856         }
 857         start_updating ();
 858 }
 859
 860 void
 861 Mixer_UI::session_going_away ()
 862 {
 863         ENSURE_GUI_THREAD (*this, &Mixer_UI::session_going_away);
 864
 865         _in_group_rebuild_or_clear = true;
 866         group_model->clear ();
 867         _in_group_rebuild_or_clear = false;
 868
 869         _selection.clear ();
 870         track_model->clear ();
 871
 872         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 873                 delete (*i);
 874         }
 875
 876         if (_monitor_section) {
 877                 _monitor_section->tearoff().hide_visible ();
 878         }
 879
 880         monitor_section_detached ();
 881
 882         strips.clear ();
 883
 884         stop_updating ();
 885
 886         SessionHandlePtr::session_going_away ();
 887
 888         _session = 0;
 889         update_title ();
 890 }
 891
 892 void
 893 Mixer_UI::track_visibility_changed (std::string const & path)
 894 {
 895         if (_session && _session->deletion_in_progress()) {
 896                 return;
 897         }
 898
 899         TreeIter iter;
 900
 901         if ((iter = track_model->get_iter (path))) {
 902                 MixerStrip* strip = (*iter)[track_columns.strip];
 903                 if (strip) {
 904                         bool visible = (*iter)[track_columns.visible];
 905
 906                         if (strip->set_marked_for_display (!visible)) {
 907                                 update_track_visibility ();
 908                         }
 909                 }
 910         }
 911 }
 912
 913 void
 914 Mixer_UI::update_track_visibility ()
 915 {
 916         TreeModel::Children rows = track_model->children();
 917         TreeModel::Children::iterator i;
 918
 919         {
 920                 Unwinder<bool> uw (no_track_list_redisplay, true);
 921
 922                 for (i = rows.begin(); i != rows.end(); ++i) {
 923                         MixerStrip *strip = (*i)[track_columns.strip];
 924                         (*i)[track_columns.visible] = strip->marked_for_display ();
 925                 }
 926
 927                 /* force route order keys catch up with visibility changes
 928                  */
 929
 930                 sync_order_keys_from_treeview ();
 931         }
 932
 933         redisplay_track_list ();
 934 }
 935
 936 void
 937 Mixer_UI::show_strip (MixerStrip* ms)
 938 {
 939         TreeModel::Children rows = track_model->children();
 940         TreeModel::Children::iterator i;
 941
 942         for (i = rows.begin(); i != rows.end(); ++i) {
 943
 944                 MixerStrip* strip = (*i)[track_columns.strip];
 945                 if (strip == ms) {
 946                         (*i)[track_columns.visible] = true;
 947                         redisplay_track_list ();
 948                         break;
 949                 }
 950         }
 951 }
 952
 953 void
 954 Mixer_UI::hide_strip (MixerStrip* ms)
 955 {
 956         TreeModel::Children rows = track_model->children();
 957         TreeModel::Children::iterator i;
 958
 959         for (i = rows.begin(); i != rows.end(); ++i) {
 960
 961                 MixerStrip* strip = (*i)[track_columns.strip];
 962                 if (strip == ms) {
 963                         (*i)[track_columns.visible] = false;
 964                         redisplay_track_list ();
 965                         break;
 966                 }
 967         }
 968 }
 969
 970 gint
 971 Mixer_UI::start_updating ()
 972 {
 973     fast_screen_update_connection = Timers::super_rapid_connect (sigc::mem_fun(*this, &Mixer_UI::fast_update_strips));
 974     return 0;
 975 }
 976
 977 gint
 978 Mixer_UI::stop_updating ()
 979 {
 980     fast_screen_update_connection.disconnect();
 981     return 0;
 982 }
 983
 984 void
 985 Mixer_UI::fast_update_strips ()
 986 {
 987         if (_content.is_mapped () && _session) {
 988                 for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 989                         (*i)->fast_update ();
 990                 }
 991         }
 992 }
 993
 994 void
 995 Mixer_UI::show_window ()
 996 {
 997         Tabbable::show_window ();
 998
 999         /* show/hide group tabs as required */
1000         parameter_changed ("show-group-tabs");
1001
1002         /* now reset each strips width so the right widgets are shown */
1003         MixerStrip* ms;
1004
1005         TreeModel::Children rows = track_model->children();
1006         TreeModel::Children::iterator ri;
1007
1008         for (ri = rows.begin(); ri != rows.end(); ++ri) {
1009                 ms = (*ri)[track_columns.strip];
1010                 ms->set_width_enum (ms->get_width_enum (), ms->width_owner());
1011                 /* Fix visibility of mixer strip stuff */
1012                 ms->parameter_changed (X_("mixer-element-visibility"));
1013         }
1014
1015         /* force focus into main area */
1016         scroller_base.grab_focus ();
1017 }
1018
1019 void
1020 Mixer_UI::set_all_strips_visibility (bool yn)
1021 {
1022         TreeModel::Children rows = track_model->children();
1023         TreeModel::Children::iterator i;
1024
1025         {
1026                 Unwinder<bool> uw (no_track_list_redisplay, true);
1027
1028                 for (i = rows.begin(); i != rows.end(); ++i) {
1029
1030                         TreeModel::Row row = (*i);
1031                         MixerStrip* strip = row[track_columns.strip];
1032
1033                         if (strip == 0) {
1034                                 continue;
1035                         }
1036
1037                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
1038                                 continue;
1039                         }
1040
1041                         (*i)[track_columns.visible] = yn;
1042                 }
1043         }
1044
1045         redisplay_track_list ();
1046 }
1047
1048
1049 void
1050 Mixer_UI::set_all_audio_midi_visibility (int tracks, bool yn)
1051 {
1052         TreeModel::Children rows = track_model->children();
1053         TreeModel::Children::iterator i;
1054
1055         {
1056                 Unwinder<bool> uw (no_track_list_redisplay, true);
1057
1058                 for (i = rows.begin(); i != rows.end(); ++i) {
1059                         TreeModel::Row row = (*i);
1060                         MixerStrip* strip = row[track_columns.strip];
1061
1062                         if (strip == 0) {
1063                                 continue;
1064                         }
1065
1066                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
1067                                 continue;
1068                         }
1069
1070                         boost::shared_ptr<AudioTrack> at = strip->audio_track();
1071                         boost::shared_ptr<MidiTrack> mt = strip->midi_track();
1072
1073                         switch (tracks) {
1074                         case 0:
1075                                 (*i)[track_columns.visible] = yn;
1076                                 break;
1077
1078                         case 1:
1079                                 if (at) { /* track */
1080                                         (*i)[track_columns.visible] = yn;
1081                                 }
1082                                 break;
1083
1084                         case 2:
1085                                 if (!at && !mt) { /* bus */
1086                                         (*i)[track_columns.visible] = yn;
1087                                 }
1088                                 break;
1089
1090                         case 3:
1091                                 if (mt) { /* midi-track */
1092                                         (*i)[track_columns.visible] = yn;
1093                                 }
1094                                 break;
1095                         }
1096                 }
1097         }
1098
1099         redisplay_track_list ();
1100 }
1101
1102 void
1103 Mixer_UI::hide_all_routes ()
1104 {
1105         set_all_strips_visibility (false);
1106 }
1107
1108 void
1109 Mixer_UI::show_all_routes ()
1110 {
1111         set_all_strips_visibility (true);
1112 }
1113
1114 void
1115 Mixer_UI::show_all_audiobus ()
1116 {
1117         set_all_audio_midi_visibility (2, true);
1118 }
1119 void
1120 Mixer_UI::hide_all_audiobus ()
1121 {
1122         set_all_audio_midi_visibility (2, false);
1123 }
1124
1125 void
1126 Mixer_UI::show_all_audiotracks()
1127 {
1128         set_all_audio_midi_visibility (1, true);
1129 }
1130 void
1131 Mixer_UI::hide_all_audiotracks ()
1132 {
1133         set_all_audio_midi_visibility (1, false);
1134 }
1135
1136 void
1137 Mixer_UI::show_all_miditracks()
1138 {
1139         set_all_audio_midi_visibility (3, true);
1140 }
1141 void
1142 Mixer_UI::hide_all_miditracks ()
1143 {
1144         set_all_audio_midi_visibility (3, false);
1145 }
1146
1147
1148 void
1149 Mixer_UI::track_list_reorder (const TreeModel::Path&, const TreeModel::iterator&, int* /*new_order*/)
1150 {
1151         DEBUG_TRACE (DEBUG::OrderKeys, "mixer UI treeview reordered\n");
1152         sync_order_keys_from_treeview ();
1153 }
1154
1155 void
1156 Mixer_UI::track_list_delete (const Gtk::TreeModel::Path&)
1157 {
1158         /* this happens as the second step of a DnD within the treeview as well
1159            as when a row/route is actually deleted.
1160
1161            if it was a deletion then we have to force a redisplay because
1162            order keys may not have changed.
1163         */
1164
1165         DEBUG_TRACE (DEBUG::OrderKeys, "mixer UI treeview row deleted\n");
1166         sync_order_keys_from_treeview ();
1167
1168         if (_route_deletion_in_progress) {
1169                 redisplay_track_list ();
1170         }
1171 }
1172
1173 void
1174 Mixer_UI::redisplay_track_list ()
1175 {
1176         TreeModel::Children rows = track_model->children();
1177         TreeModel::Children::iterator i;
1178
1179         if (no_track_list_redisplay) {
1180                 return;
1181         }
1182
1183         for (i = rows.begin(); i != rows.end(); ++i) {
1184
1185                 MixerStrip* strip = (*i)[track_columns.strip];
1186
1187                 if (strip == 0) {
1188                         /* we're in the middle of changing a row, don't worry */
1189                         continue;
1190                 }
1191
1192                 bool const visible = (*i)[track_columns.visible];
1193
1194                 if (visible) {
1195                         strip->set_gui_property ("visible", true);
1196
1197                         if (strip->packed()) {
1198
1199                                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
1200                                         out_packer.reorder_child (*strip, -1);
1201
1202                                 } else {
1203                                         strip_packer.reorder_child (*strip, -1); /* put at end */
1204                                 }
1205
1206                         } else {
1207
1208                                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
1209                                         out_packer.pack_start (*strip, false, false);
1210                                 } else {
1211                                         strip_packer.pack_start (*strip, false, false);
1212                                 }
1213                                 strip->set_packed (true);
1214                         }
1215
1216                 } else {
1217
1218                         strip->set_gui_property ("visible", false);
1219
1220                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
1221                                 /* do nothing, these cannot be hidden */
1222                         } else {
1223                                 if (strip->packed()) {
1224                                         strip_packer.remove (*strip);
1225                                         strip->set_packed (false);
1226                                 }
1227                         }
1228                 }
1229         }
1230
1231         _group_tabs->set_dirty ();
1232 }
1233
1234 void
1235 Mixer_UI::strip_width_changed ()
1236 {
1237         _group_tabs->set_dirty ();
1238
1239 #ifdef GTKOSX
1240         TreeModel::Children rows = track_model->children();
1241         TreeModel::Children::iterator i;
1242         long order;
1243
1244         for (order = 0, i = rows.begin(); i != rows.end(); ++i, ++order) {
1245                 MixerStrip* strip = (*i)[track_columns.strip];
1246
1247                 if (strip == 0) {
1248                         continue;
1249                 }
1250
1251                 bool visible = (*i)[track_columns.visible];
1252
1253                 if (visible) {
1254                         strip->queue_draw();
1255                 }
1256         }
1257 #endif
1258
1259 }
1260
1261 void
1262 Mixer_UI::initial_track_display ()
1263 {
1264         boost::shared_ptr<RouteList> routes = _session->get_routes();
1265         RouteList copy (*routes);
1266         ARDOUR::SignalOrderRouteSorter sorter;
1267
1268         copy.sort (sorter);
1269
1270         {
1271                 Unwinder<bool> uw1 (no_track_list_redisplay, true);
1272                 Unwinder<bool> uw2 (ignore_reorder, true);
1273
1274                 track_model->clear ();
1275                 add_strips (copy);
1276         }
1277
1278         _session->sync_order_keys ();
1279
1280         redisplay_track_list ();
1281 }
1282
1283 void
1284 Mixer_UI::show_track_list_menu ()
1285 {
1286         if (track_menu == 0) {
1287                 build_track_menu ();
1288         }
1289
1290         track_menu->popup (1, gtk_get_current_event_time());
1291 }
1292
1293 bool
1294 Mixer_UI::track_display_button_press (GdkEventButton* ev)
1295 {
1296         if (Keyboard::is_context_menu_event (ev)) {
1297                 show_track_list_menu ();
1298                 return true;
1299         }
1300
1301         return false;
1302 }
1303
1304 void
1305 Mixer_UI::build_track_menu ()
1306 {
1307         using namespace Menu_Helpers;
1308         using namespace Gtk;
1309
1310         track_menu = new Menu;
1311         track_menu->set_name ("ArdourContextMenu");
1312         MenuList& items = track_menu->items();
1313
1314         items.push_back (MenuElem (_("Show All"), sigc::mem_fun(*this, &Mixer_UI::show_all_routes)));
1315         items.push_back (MenuElem (_("Hide All"), sigc::mem_fun(*this, &Mixer_UI::hide_all_routes)));
1316         items.push_back (MenuElem (_("Show All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiotracks)));
1317         items.push_back (MenuElem (_("Hide All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiotracks)));
1318         items.push_back (MenuElem (_("Show All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiobus)));
1319         items.push_back (MenuElem (_("Hide All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiobus)));
1320         items.push_back (MenuElem (_("Show All Midi Tracks"), sigc::mem_fun (*this, &Mixer_UI::show_all_miditracks)));
1321         items.push_back (MenuElem (_("Hide All Midi Tracks"), sigc::mem_fun (*this, &Mixer_UI::hide_all_miditracks)));
1322
1323 }
1324
1325 void
1326 Mixer_UI::strip_property_changed (const PropertyChange& what_changed, MixerStrip* mx)
1327 {
1328         if (!what_changed.contains (ARDOUR::Properties::name)) {
1329                 return;
1330         }
1331
1332         ENSURE_GUI_THREAD (*this, &Mixer_UI::strip_name_changed, what_changed, mx)
1333
1334         TreeModel::Children rows = track_model->children();
1335         TreeModel::Children::iterator i;
1336
1337         for (i = rows.begin(); i != rows.end(); ++i) {
1338                 if ((*i)[track_columns.strip] == mx) {
1339                         (*i)[track_columns.text] = mx->route()->name();
1340                         return;
1341                 }
1342         }
1343
1344         error << _("track display list item for renamed strip not found!") << endmsg;
1345 }
1346
1347 bool
1348 Mixer_UI::group_display_button_press (GdkEventButton* ev)
1349 {
1350         TreeModel::Path path;
1351         TreeViewColumn* column;
1352         int cellx;
1353         int celly;
1354
1355         if (!group_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
1356                 _group_tabs->get_menu(0)->popup (1, ev->time);
1357                 return true;
1358         }
1359
1360         TreeIter iter = group_model->get_iter (path);
1361         if (!iter) {
1362                 _group_tabs->get_menu(0)->popup (1, ev->time);
1363                 return true;
1364         }
1365
1366         RouteGroup* group = (*iter)[group_columns.group];
1367
1368         if (Keyboard::is_context_menu_event (ev)) {
1369                 _group_tabs->get_menu(group)->popup (1, ev->time);
1370                 return true;
1371         }
1372
1373         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
1374         case 0:
1375                 if (Keyboard::is_edit_event (ev)) {
1376                         if (group) {
1377                                 // edit_route_group (group);
1378 #ifdef GTKOSX
1379                                 group_display.queue_draw();
1380 #endif
1381                                 return true;
1382                         }
1383                 }
1384                 break;
1385
1386         case 1:
1387         {
1388                 bool visible = (*iter)[group_columns.visible];
1389                 (*iter)[group_columns.visible] = !visible;
1390 #ifdef GTKOSX
1391                 group_display.queue_draw();
1392 #endif
1393                 return true;
1394         }
1395
1396         default:
1397                 break;
1398         }
1399
1400         return false;
1401  }
1402
1403 void
1404 Mixer_UI::activate_all_route_groups ()
1405 {
1406         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), true));
1407 }
1408
1409 void
1410 Mixer_UI::disable_all_route_groups ()
1411 {
1412         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), false));
1413 }
1414
1415 void
1416 Mixer_UI::route_groups_changed ()
1417 {
1418         ENSURE_GUI_THREAD (*this, &Mixer_UI::route_groups_changed);
1419
1420         _in_group_rebuild_or_clear = true;
1421
1422         /* just rebuild the while thing */
1423
1424         group_model->clear ();
1425
1426 #if 0
1427         /* this is currently not used,
1428          * Mixer_UI::group_display_button_press() has a case for it,
1429          * and a commented edit_route_group() but that's n/a since 2011.
1430          *
1431          * This code is left as reminder that
1432          * row[group_columns.group] = 0 has special meaning.
1433          */
1434         {
1435                 TreeModel::Row row;
1436                 row = *(group_model->append());
1437                 row[group_columns.visible] = true;
1438                 row[group_columns.text] = (_("-all-"));
1439                 row[group_columns.group] = 0;
1440         }
1441 #endif
1442
1443         _session->foreach_route_group (sigc::mem_fun (*this, &Mixer_UI::add_route_group));
1444
1445         _group_tabs->set_dirty ();
1446         _in_group_rebuild_or_clear = false;
1447 }
1448
1449 void
1450 Mixer_UI::new_route_group ()
1451 {
1452         RouteList rl;
1453
1454         _group_tabs->run_new_group_dialog (rl);
1455 }
1456
1457 void
1458 Mixer_UI::remove_selected_route_group ()
1459 {
1460         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1461         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
1462
1463         if (rows.empty()) {
1464                 return;
1465         }
1466
1467         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
1468         TreeIter iter;
1469
1470         /* selection mode is single, so rows.begin() is it */
1471
1472         if ((iter = group_model->get_iter (*i))) {
1473
1474                 RouteGroup* rg = (*iter)[group_columns.group];
1475
1476                 if (rg) {
1477                         _session->remove_route_group (*rg);
1478                 }
1479         }
1480 }
1481
1482 void
1483 Mixer_UI::route_group_property_changed (RouteGroup* group, const PropertyChange& change)
1484 {
1485         if (in_group_row_change) {
1486                 return;
1487         }
1488
1489         /* force an update of any mixer strips that are using this group,
1490            otherwise mix group names don't change in mixer strips
1491         */
1492
1493         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
1494                 if ((*i)->route_group() == group) {
1495                         (*i)->route_group_changed();
1496                 }
1497         }
1498
1499         TreeModel::iterator i;
1500         TreeModel::Children rows = group_model->children();
1501         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1502
1503         in_group_row_change = true;
1504
1505         for (i = rows.begin(); i != rows.end(); ++i) {
1506                 if ((*i)[group_columns.group] == group) {
1507                         (*i)[group_columns.visible] = !group->is_hidden ();
1508                         (*i)[group_columns.text] = group->name ();
1509                         break;
1510                 }
1511         }
1512
1513         in_group_row_change = false;
1514
1515         if (change.contains (Properties::name)) {
1516                 _group_tabs->set_dirty ();
1517         }
1518
1519         for (list<MixerStrip*>::iterator j = strips.begin(); j != strips.end(); ++j) {
1520                 if ((*j)->route_group() == group) {
1521                         if (group->is_hidden ()) {
1522                                 hide_strip (*j);
1523                         } else {
1524                                 show_strip (*j);
1525                         }
1526                 }
1527         }
1528 }
1529
1530 void
1531 Mixer_UI::show_mixer_list (bool yn)
1532 {
1533         if (yn) {
1534                 list_vpacker.show ();
1535
1536                 //if user wants to show the pane, we should make sure that it is wide enough to be visible
1537                 int width = list_hpane.get_position();
1538                 if (width < 40)
1539                         list_hpane.set_position(40);
1540         } else {
1541                 list_vpacker.hide ();
1542         }
1543
1544         _show_mixer_list = yn;
1545 }
1546
1547 void
1548 Mixer_UI::show_monitor_section (bool yn)
1549 {
1550         if (!monitor_section()) {
1551                 return;
1552         }
1553         if (monitor_section()->tearoff().torn_off()) {
1554                 return;
1555         }
1556
1557         if (yn) {
1558                 monitor_section()->tearoff().show();
1559         } else {
1560                 monitor_section()->tearoff().hide();
1561         }
1562 }
1563
1564 void
1565 Mixer_UI::route_group_name_edit (const std::string& path, const std::string& new_text)
1566 {
1567         RouteGroup* group;
1568         TreeIter iter;
1569
1570         if ((iter = group_model->get_iter (path))) {
1571
1572                 if ((group = (*iter)[group_columns.group]) == 0) {
1573                         return;
1574                 }
1575
1576                 if (new_text != group->name()) {
1577                         group->set_name (new_text);
1578                 }
1579         }
1580 }
1581
1582 void
1583 Mixer_UI::route_group_row_change (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator& iter)
1584 {
1585         RouteGroup* group;
1586
1587         if (in_group_row_change) {
1588                 return;
1589         }
1590
1591         if ((group = (*iter)[group_columns.group]) == 0) {
1592                 return;
1593         }
1594
1595         std::string name = (*iter)[group_columns.text];
1596
1597         if (name != group->name()) {
1598                 group->set_name (name);
1599         }
1600
1601         bool hidden = !(*iter)[group_columns.visible];
1602
1603         if (hidden != group->is_hidden ()) {
1604                 group->set_hidden (hidden, this);
1605         }
1606 }
1607
1608 /** Called when a group model row is deleted, but also when the model is
1609  *  reordered by a user drag-and-drop; the latter is what we are
1610  *  interested in here.
1611  */
1612 void
1613 Mixer_UI::route_group_row_deleted (Gtk::TreeModel::Path const &)
1614 {
1615         if (_in_group_rebuild_or_clear) {
1616                 return;
1617         }
1618
1619         /* Re-write the session's route group list so that the new order is preserved */
1620
1621         list<RouteGroup*> new_list;
1622
1623         Gtk::TreeModel::Children children = group_model->children();
1624         for (Gtk::TreeModel::Children::iterator i = children.begin(); i != children.end(); ++i) {
1625                 RouteGroup* g = (*i)[group_columns.group];
1626                 if (g) {
1627                         new_list.push_back (g);
1628                 }
1629         }
1630
1631         _session->reorder_route_groups (new_list);
1632 }
1633
1634
1635 void
1636 Mixer_UI::add_route_group (RouteGroup* group)
1637 {
1638         ENSURE_GUI_THREAD (*this, &Mixer_UI::add_route_group, group)
1639         bool focus = false;
1640
1641         in_group_row_change = true;
1642
1643         TreeModel::Row row = *(group_model->append());
1644         row[group_columns.visible] = !group->is_hidden ();
1645         row[group_columns.group] = group;
1646         if (!group->name().empty()) {
1647                 row[group_columns.text] = group->name();
1648         } else {
1649                 row[group_columns.text] = _("unnamed");
1650                 focus = true;
1651         }
1652
1653         group->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::route_group_property_changed, this, group, _1), gui_context());
1654
1655         if (focus) {
1656                 TreeViewColumn* col = group_display.get_column (0);
1657                 CellRendererText* name_cell = dynamic_cast<CellRendererText*>(group_display.get_column_cell_renderer (0));
1658                 group_display.set_cursor (group_model->get_path (row), *col, *name_cell, true);
1659         }
1660
1661         _group_tabs->set_dirty ();
1662
1663         in_group_row_change = false;
1664 }
1665
1666 bool
1667 Mixer_UI::strip_scroller_button_release (GdkEventButton* ev)
1668 {
1669         using namespace Menu_Helpers;
1670
1671         if (Keyboard::is_context_menu_event (ev)) {
1672                 // ARDOUR_UI::instance()->add_route (this);
1673                 return true;
1674         }
1675
1676         return false;
1677 }
1678
1679 void
1680 Mixer_UI::set_strip_width (Width w, bool save)
1681 {
1682         _strip_width = w;
1683
1684         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1685                 (*i)->set_width_enum (w, save ? (*i)->width_owner() : this);
1686         }
1687 }
1688
1689
1690 struct PluginStateSorter {
1691 public:
1692         bool operator() (PluginInfoPtr a, PluginInfoPtr b) const {
1693                 std::list<std::string>::const_iterator aiter = std::find(_user.begin(), _user.end(), (*a).unique_id);
1694                 std::list<std::string>::const_iterator biter = std::find(_user.begin(), _user.end(), (*b).unique_id);
1695                 if (aiter != _user.end() && biter != _user.end()) {
1696                         return std::distance (_user.begin(), aiter)  < std::distance (_user.begin(), biter);
1697                 }
1698                 if (aiter != _user.end()) {
1699                         return true;
1700                 }
1701                 if (biter != _user.end()) {
1702                         return false;
1703                 }
1704                 return ARDOUR::cmp_nocase((*a).name, (*b).name) == -1;
1705         }
1706
1707         PluginStateSorter(std::list<std::string> user) : _user (user)  {}
1708 private:
1709         std::list<std::string> _user;
1710 };
1711
1712 int
1713 Mixer_UI::set_state (const XMLNode& node, int version)
1714 {
1715         const XMLProperty* prop;
1716         XMLNode* geometry;
1717
1718         m_width = default_width;
1719         m_height = default_height;
1720         m_root_x = 1;
1721         m_root_y = 1;
1722
1723         if ((geometry = find_named_node (node, "geometry")) != 0) {
1724
1725                 /* if there's a geometry node, we have our own window */
1726
1727                 create_own_window ();
1728                 Gtk::Notebook* notebook = (Gtk::Notebook*) _parent_window->get_child();
1729                 Gtk::Widget* parent = get_parent();
1730                 if (parent) {
1731                         ((Gtk::Container*)parent)->remove (*this);
1732                 }
1733                 notebook->append_page (*this, _("Mixer"));
1734
1735                 XMLProperty* prop;
1736
1737                 if ((prop = geometry->property("x_size")) == 0) {
1738                         prop = geometry->property ("x-size");
1739                 }
1740                 if (prop) {
1741                         m_width = atoi(prop->value());
1742                 }
1743                 if ((prop = geometry->property("y_size")) == 0) {
1744                         prop = geometry->property ("y-size");
1745                 }
1746                 if (prop) {
1747                         m_height = atoi(prop->value());
1748                 }
1749
1750                 if ((prop = geometry->property ("x_pos")) == 0) {
1751                         prop = geometry->property ("x-pos");
1752                 }
1753                 if (prop) {
1754                         m_root_x = atoi (prop->value());
1755
1756                 }
1757                 if ((prop = geometry->property ("y_pos")) == 0) {
1758                         prop = geometry->property ("y-pos");
1759                 }
1760                 if (prop) {
1761                         m_root_y = atoi (prop->value());
1762                 }
1763         }
1764
1765         if ((prop = node.property ("narrow-strips"))) {
1766                 if (string_is_affirmative (prop->value())) {
1767                         set_strip_width (Narrow);
1768                 } else {
1769                         set_strip_width (Wide);
1770                 }
1771         }
1772
1773         if ((prop = node.property ("show-mixer"))) {
1774                 if (string_is_affirmative (prop->value())) {
1775                        _visible = true;
1776                 }
1777         }
1778
1779         if ((prop = node.property ("maximised"))) {
1780                 bool yn = string_is_affirmative (prop->value());
1781                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleMaximalMixer"));
1782                 assert (act);
1783                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
1784                 bool fs = tact && tact->get_active();
1785                 if (yn ^ fs) {
1786                         ActionManager::do_action ("Common", "ToggleMaximalMixer");
1787                 }
1788         }
1789
1790         if ((prop = node.property ("show-mixer-list"))) {
1791                 bool yn = string_is_affirmative (prop->value());
1792                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleMixerList"));
1793                 assert (act);
1794                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
1795
1796                 /* do it twice to force the change */
1797                 tact->set_active (!yn);
1798                 tact->set_active (yn);
1799         }
1800
1801
1802         XMLNode* plugin_order;
1803         if ((plugin_order = find_named_node (node, "PluginOrder")) != 0) {
1804                 store_current_favorite_order ();
1805                 std::list<string> order;
1806                 const XMLNodeList& kids = plugin_order->children("PluginInfo");
1807                 XMLNodeConstIterator i;
1808                 for (i = kids.begin(); i != kids.end(); ++i) {
1809                         if ((prop = (*i)->property ("unique-id"))) {
1810                                 std::string unique_id = prop->value();
1811                                 order.push_back (unique_id);
1812                                 if ((prop = (*i)->property ("expanded"))) {
1813                                         favorite_ui_state[unique_id] = string_is_affirmative (prop->value());
1814                                 }
1815                         }
1816                 }
1817                 PluginStateSorter cmp (order);
1818                 favorite_order.sort (cmp);
1819                 sync_treeview_from_favorite_order ();
1820         }
1821         return 0;
1822 }
1823
1824 XMLNode&
1825 Mixer_UI::get_state ()
1826 {
1827         XMLNode* node = new XMLNode (X_("Mixer"));
1828         char buf[128];
1829
1830         node->add_child_nocopy (Tabbable::get_state());
1831
1832         snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (const_cast<GtkPaned*>(static_cast<const Paned*>(&rhs_pane1)->gobj())));
1833         node->add_property(X_("mixer_rhs_pane1_pos"), string(buf));
1834         snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (const_cast<GtkPaned*>(static_cast<const Paned*>(&list_hpane)->gobj())));
1835         node->add_property(X_("mixer_list_hpane_pos"), string(buf));
1836
1837         node->add_property ("narrow-strips", _strip_width == Narrow ? "yes" : "no");
1838         node->add_property ("show-mixer", _visible ? "yes" : "no");
1839         node->add_property ("show-mixer-list", _show_mixer_list ? "yes" : "no");
1840         node->add_property ("maximised", _maximised ? "yes" : "no");
1841
1842         return *node;
1843 }
1844
1845 void
1846 Mixer_UI::pane_allocation_handler (Allocation&, Gtk::Paned* which)
1847 {
1848         int pos;
1849         XMLProperty* prop = 0;
1850         XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
1851         XMLNode* geometry;
1852         int height;
1853         static int32_t done[3] = { 0, 0, 0 };
1854
1855         height = default_height;
1856
1857         if ((geometry = find_named_node (*node, "geometry")) != 0) {
1858
1859                 if ((prop = geometry->property ("y_size")) == 0) {
1860                         prop = geometry->property ("y-size");
1861                 }
1862                 if (prop) {
1863                         height = atoi (prop->value());
1864                 }
1865         }
1866
1867         if (which == static_cast<Gtk::Paned*> (&rhs_pane1)) {
1868
1869                 if (done[0]) {
1870                         return;
1871                 }
1872
1873                 if (!geometry || (prop = geometry->property("mixer-rhs-pane1-pos")) == 0) {
1874                         pos = height / 3;
1875                 } else {
1876                         pos = atoi (prop->value());
1877                 }
1878
1879                 if ((done[0] = GTK_WIDGET(rhs_pane1.gobj())->allocation.height > pos)) {
1880                         rhs_pane1.set_position (pos);
1881                 }
1882
1883         } else if (which == static_cast<Gtk::Paned*> (&rhs_pane2)) {
1884                 if (done[1]) {
1885                         return;
1886                 }
1887
1888                 if (!geometry || (prop = geometry->property("mixer-rhs-pane2-pos")) == 0) {
1889                         pos = 2 * height / 3;
1890                 } else {
1891                         pos = atoi (prop->value());
1892                 }
1893
1894                 if ((done[1] = GTK_WIDGET(rhs_pane2.gobj())->allocation.height > pos)) {
1895                         rhs_pane2.set_position (pos);
1896                 }
1897         } else if (which == static_cast<Gtk::Paned*> (&list_hpane)) {
1898
1899                 if (done[2]) {
1900                         return;
1901                 }
1902
1903                 if (!geometry || (prop = geometry->property("mixer-list-hpane-pos")) == 0) {
1904                         pos = std::max ((float)100, rintf ((float) 125 * UIConfiguration::instance().get_ui_scale()));
1905                 } else {
1906                         pos = max (36, atoi (prop->value ()));
1907                 }
1908
1909                 if ((done[2] = GTK_WIDGET(list_hpane.gobj())->allocation.width > pos)) {
1910                         list_hpane.set_position (pos);
1911                 }
1912         }
1913 }
1914 void
1915 Mixer_UI::scroll_left ()
1916 {
1917         if (!scroller.get_hscrollbar()) return;
1918         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
1919         /* stupid GTK: can't rely on clamping across versions */
1920         scroller.get_hscrollbar()->set_value (max (adj->get_lower(), adj->get_value() - adj->get_step_increment()));
1921 }
1922
1923 void
1924 Mixer_UI::scroll_right ()
1925 {
1926         if (!scroller.get_hscrollbar()) return;
1927         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
1928         /* stupid GTK: can't rely on clamping across versions */
1929         scroller.get_hscrollbar()->set_value (min (adj->get_upper(), adj->get_value() + adj->get_step_increment()));
1930 }
1931
1932 bool
1933 Mixer_UI::on_key_press_event (GdkEventKey* ev)
1934 {
1935         KeyboardKey k (ev->state, ev->keyval);
1936
1937         if (bindings.activate (k, Bindings::Press)) {
1938                 return true;
1939         }
1940
1941         if (_parent_window) {
1942                 /* send it to the main window, since our own bindings didn't
1943                  * handle it
1944                  */
1945                 return forward_key_press (ev);
1946         }
1947
1948         return false;
1949 }
1950
1951 bool
1952 Mixer_UI::on_key_release_event (GdkEventKey* ev)
1953 {
1954         KeyboardKey k (ev->state, ev->keyval);
1955
1956         if (bindings.activate (k, Bindings::Release)) {
1957                 return true;
1958         }
1959
1960         /* don't forward releases */
1961
1962         return true;
1963 }
1964
1965 bool
1966 Mixer_UI::on_scroll_event (GdkEventScroll* ev)
1967 {
1968         switch (ev->direction) {
1969         case GDK_SCROLL_LEFT:
1970                 scroll_left ();
1971                 return true;
1972         case GDK_SCROLL_UP:
1973                 if (ev->state & Keyboard::TertiaryModifier) {
1974                         scroll_left ();
1975                         return true;
1976                 }
1977                 return false;
1978
1979         case GDK_SCROLL_RIGHT:
1980                 scroll_right ();
1981                 return true;
1982
1983         case GDK_SCROLL_DOWN:
1984                 if (ev->state & Keyboard::TertiaryModifier) {
1985                         scroll_right ();
1986                         return true;
1987                 }
1988                 return false;
1989         }
1990
1991         return false;
1992 }
1993
1994
1995 void
1996 Mixer_UI::parameter_changed (string const & p)
1997 {
1998         if (p == "show-group-tabs") {
1999                 bool const s = _session->config.get_show_group_tabs ();
2000                 if (s) {
2001                         _group_tabs->show ();
2002                 } else {
2003                         _group_tabs->hide ();
2004                 }
2005         } else if (p == "default-narrow_ms") {
2006                 bool const s = UIConfiguration::instance().get_default_narrow_ms ();
2007                 for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
2008                         (*i)->set_width_enum (s ? Narrow : Wide, this);
2009                 }
2010         } else if (p == "remote-model") {
2011                 reset_remote_control_ids ();
2012         } else if (p == "use-monitor-bus") {
2013                 if (_session && !_session->monitor_out()) {
2014                         monitor_section_detached ();
2015                 }
2016         }
2017 }
2018
2019 void
2020 Mixer_UI::set_route_group_activation (RouteGroup* g, bool a)
2021 {
2022         g->set_active (a, this);
2023 }
2024
2025 PluginSelector*
2026 Mixer_UI::plugin_selector()
2027 {
2028 #ifdef DEFER_PLUGIN_SELECTOR_LOAD
2029         if (!_plugin_selector)
2030                 _plugin_selector = new PluginSelector (PluginManager::instance());
2031 #endif
2032
2033         return _plugin_selector;
2034 }
2035
2036 void
2037 Mixer_UI::setup_track_display ()
2038 {
2039         track_model = ListStore::create (track_columns);
2040         track_display.set_model (track_model);
2041         track_display.append_column (_("Strips"), track_columns.text);
2042         track_display.append_column (_("Show"), track_columns.visible);
2043         track_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
2044         track_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
2045         track_display.get_column (0)->set_expand(true);
2046         track_display.get_column (1)->set_expand(false);
2047         track_display.get_column (0)->set_sizing (Gtk::TREE_VIEW_COLUMN_FIXED);
2048         track_display.set_name (X_("EditGroupList"));
2049         track_display.get_selection()->set_mode (Gtk::SELECTION_NONE);
2050         track_display.set_reorderable (true);
2051         track_display.set_headers_visible (true);
2052         track_display.set_can_focus(false);
2053
2054         track_model->signal_row_deleted().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_delete));
2055         track_model->signal_rows_reordered().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_reorder));
2056
2057         CellRendererToggle* track_list_visible_cell = dynamic_cast<CellRendererToggle*>(track_display.get_column_cell_renderer (1));
2058         track_list_visible_cell->property_activatable() = true;
2059         track_list_visible_cell->property_radio() = false;
2060         track_list_visible_cell->signal_toggled().connect (sigc::mem_fun (*this, &Mixer_UI::track_visibility_changed));
2061
2062         track_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::track_display_button_press), false);
2063
2064         track_display_scroller.add (track_display);
2065         track_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
2066
2067         VBox* v = manage (new VBox);
2068         v->show ();
2069         v->pack_start (track_display_scroller, true, true);
2070
2071         Button* b = manage (new Button);
2072         b->show ();
2073         Widget* w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
2074         w->show ();
2075         b->add (*w);
2076
2077         b->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::new_track_or_bus));
2078
2079         v->pack_start (*b, false, false);
2080
2081         track_display_frame.set_name("BaseFrame");
2082         track_display_frame.set_shadow_type (Gtk::SHADOW_IN);
2083         track_display_frame.add (*v);
2084
2085         track_display_scroller.show();
2086         track_display_frame.show();
2087         track_display.show();
2088 }
2089
2090 void
2091 Mixer_UI::new_track_or_bus ()
2092 {
2093         // ARDOUR_UI::instance()->add_route (this);
2094 }
2095
2096
2097 void
2098 Mixer_UI::update_title ()
2099 {
2100         if (!own_window()) {
2101                 return;
2102         }
2103
2104         if (_session) {
2105                 string n;
2106
2107                 if (_session->snap_name() != _session->name()) {
2108                         n = _session->snap_name ();
2109                 } else {
2110                         n = _session->name ();
2111                 }
2112
2113                 if (_session->dirty ()) {
2114                         n = "*" + n;
2115                 }
2116
2117                 if (own_window()) {
2118                         WindowTitle title (n);
2119                         title += S_("Window|Mixer");
2120                         title += Glib::get_application_name ();
2121                         own_window()->set_title (title.get_string());
2122                 }
2123
2124         } else {
2125
2126                 if (own_window()) {
2127                         WindowTitle title (S_("Window|Mixer"));
2128                         title += Glib::get_application_name ();
2129                         own_window()->set_title (title.get_string());
2130                 }
2131         }
2132 }
2133
2134 MixerStrip*
2135 Mixer_UI::strip_by_x (int x)
2136 {
2137         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
2138                 int x1, x2, y;
2139
2140                 (*i)->translate_coordinates (_content, 0, 0, x1, y);
2141                 x2 = x1 + (*i)->get_width();
2142
2143                 if (x >= x1 && x <= x2) {
2144                         return (*i);
2145                 }
2146         }
2147
2148         return 0;
2149 }
2150
2151 void
2152 Mixer_UI::set_route_targets_for_operation ()
2153 {
2154         _route_targets.clear ();
2155
2156         if (!_selection.empty()) {
2157                 _route_targets = _selection.routes;
2158                 return;
2159         }
2160
2161 //  removed "implicit" selections of strips, after discussion on IRC
2162
2163 }
2164
2165 void
2166 Mixer_UI::monitor_section_going_away ()
2167 {
2168         if (_monitor_section) {
2169                 monitor_section_detached ();
2170                 out_packer.remove (_monitor_section->tearoff());
2171                 _monitor_section->set_session (0);
2172                 delete _monitor_section;
2173                 _monitor_section = 0;
2174         }
2175 }
2176
2177 void
2178 Mixer_UI::toggle_midi_input_active (bool flip_others)
2179 {
2180         boost::shared_ptr<RouteList> rl (new RouteList);
2181         bool onoff = false;
2182
2183         set_route_targets_for_operation ();
2184
2185         for (RouteUISelection::iterator r = _route_targets.begin(); r != _route_targets.end(); ++r) {
2186                 boost::shared_ptr<MidiTrack> mt = (*r)->midi_track();
2187
2188                 if (mt) {
2189                         rl->push_back ((*r)->route());
2190                         onoff = !mt->input_active();
2191                 }
2192         }
2193
2194         _session->set_exclusive_input_active (rl, onoff, flip_others);
2195 }
2196
2197 void
2198 Mixer_UI::maximise_mixer_space ()
2199 {
2200         if (!own_window()) {
2201                 return;
2202         }
2203
2204         Gtk::Window* win = (Gtk::Window*) get_toplevel();
2205
2206         if (win) {
2207                 win->fullscreen ();
2208                 _maximised = true;
2209         }
2210
2211         _window->fullscreen ();
2212         _maximised = true;
2213 }
2214
2215 void
2216 Mixer_UI::restore_mixer_space ()
2217 {
2218         if (!own_window()) {
2219                 return;
2220         }
2221
2222         Gtk::Window* win = (Gtk::Window*) get_toplevel();
2223
2224         if (win) {
2225                 win->unfullscreen();
2226                 _maximised = false;
2227         }
2228
2229         own_window()->unfullscreen();
2230         _maximised = false;
2231 }
2232
2233 void
2234 Mixer_UI::monitor_section_attached ()
2235 {
2236         Glib::RefPtr<Action> act = ActionManager::get_action ("Common", "ToggleMonitorSection");
2237         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2238         act->set_sensitive (true);
2239         tact->set_active ();
2240 }
2241
2242 void
2243 Mixer_UI::monitor_section_detached ()
2244 {
2245         Glib::RefPtr<Action> act = ActionManager::get_action ("Common", "ToggleMonitorSection");
2246         act->set_sensitive (false);
2247 }
2248
2249 void
2250 Mixer_UI::store_current_favorite_order ()
2251 {
2252         typedef Gtk::TreeModel::Children type_children;
2253         type_children children = favorite_plugins_model->children();
2254         favorite_order.clear();
2255         for(type_children::iterator iter = children.begin(); iter != children.end(); ++iter)
2256         {
2257                 Gtk::TreeModel::Row row = *iter;
2258                 ARDOUR::PluginPresetPtr ppp = row[favorite_plugins_columns.plugin];
2259                 favorite_order.push_back (ppp->_pip);
2260                 std::string name = row[favorite_plugins_columns.name];
2261                 favorite_ui_state[(*ppp->_pip).unique_id] = favorite_plugins_display.row_expanded (favorite_plugins_model->get_path(iter));
2262         }
2263 }
2264
2265 void
2266 Mixer_UI::save_favorite_ui_state (const TreeModel::iterator& iter, const TreeModel::Path& path)
2267 {
2268         Gtk::TreeModel::Row row = *iter;
2269         ARDOUR::PluginPresetPtr ppp = row[favorite_plugins_columns.plugin];
2270         assert (ppp);
2271         favorite_ui_state[(*ppp->_pip).unique_id] = favorite_plugins_display.row_expanded (favorite_plugins_model->get_path(iter));
2272 }
2273
2274 void
2275 Mixer_UI::refiller (PluginInfoList& result, const PluginInfoList& plugs)
2276 {
2277         PluginManager& manager (PluginManager::instance());
2278         for (PluginInfoList::const_iterator i = plugs.begin(); i != plugs.end(); ++i) {
2279                 if (manager.get_status (*i) != PluginManager::Favorite) {
2280                         continue;
2281                 }
2282                 result.push_back (*i);
2283         }
2284 }
2285
2286 struct PluginCustomSorter {
2287 public:
2288         bool operator() (PluginInfoPtr a, PluginInfoPtr b) const {
2289                 PluginInfoList::const_iterator aiter = _user.begin();
2290                 PluginInfoList::const_iterator biter = _user.begin();
2291                 while (aiter != _user.end()) { if ((*aiter)->unique_id == a->unique_id) { break; } ++aiter; }
2292                 while (biter != _user.end()) { if ((*biter)->unique_id == b->unique_id) { break; } ++biter; }
2293
2294                 if (aiter != _user.end() && biter != _user.end()) {
2295                         return std::distance (_user.begin(), aiter) < std::distance (_user.begin(), biter);
2296                 }
2297                 if (aiter != _user.end()) {
2298                         return true;
2299                 }
2300                 if (biter != _user.end()) {
2301                         return false;
2302                 }
2303                 return ARDOUR::cmp_nocase((*a).name, (*b).name) == -1;
2304         }
2305         PluginCustomSorter(PluginInfoList user) : _user (user)  {}
2306 private:
2307         PluginInfoList _user;
2308 };
2309
2310 void
2311 Mixer_UI::refill_favorite_plugins ()
2312 {
2313         PluginInfoList plugs;
2314         PluginManager& mgr (PluginManager::instance());
2315
2316 #ifdef LV2_SUPPORT
2317         refiller (plugs, mgr.lv2_plugin_info ());
2318 #endif
2319 #ifdef WINDOWS_VST_SUPPORT
2320         refiller (plugs, mgr.windows_vst_plugin_info ());
2321 #endif
2322 #ifdef LXVST_SUPPORT
2323         refiller (plugs, mgr.lxvst_plugin_info ());
2324 #endif
2325 #ifdef AUDIOUNIT_SUPPORT
2326         refiller (plugs, mgr.au_plugin_info ());
2327 #endif
2328         refiller (plugs, mgr.ladspa_plugin_info ());
2329
2330         store_current_favorite_order ();
2331
2332         PluginCustomSorter cmp (favorite_order);
2333         plugs.sort (cmp);
2334
2335         favorite_order = plugs;
2336
2337         sync_treeview_from_favorite_order ();
2338 }
2339
2340 void
2341 Mixer_UI::sync_treeview_favorite_ui_state (const TreeModel::Path& path, const TreeModel::iterator&)
2342 {
2343         TreeIter iter;
2344         if (!(iter = favorite_plugins_model->get_iter (path))) {
2345                 return;
2346         }
2347         ARDOUR::PluginPresetPtr ppp = (*iter)[favorite_plugins_columns.plugin];
2348         if (!ppp) {
2349                 return;
2350         }
2351         PluginInfoPtr pip = ppp->_pip;
2352         if (favorite_ui_state.find (pip->unique_id) != favorite_ui_state.end ()) {
2353                 if (favorite_ui_state[pip->unique_id]) {
2354                         favorite_plugins_display.expand_row (path, true);
2355                 }
2356         }
2357 }
2358
2359 void
2360 Mixer_UI::sync_treeview_from_favorite_order ()
2361 {
2362         favorite_plugins_model->clear ();
2363         for (PluginInfoList::const_iterator i = favorite_order.begin(); i != favorite_order.end(); ++i) {
2364                 PluginInfoPtr pip = (*i);
2365
2366                 TreeModel::Row newrow = *(favorite_plugins_model->append());
2367                 newrow[favorite_plugins_columns.name] = (*i)->name;
2368                 newrow[favorite_plugins_columns.plugin] = PluginPresetPtr (new PluginPreset(pip));
2369                 if (!_session) {
2370                         continue;
2371                 }
2372
2373                 vector<ARDOUR::Plugin::PresetRecord> presets = (*i)->get_presets (true);
2374                 for (vector<ARDOUR::Plugin::PresetRecord>::const_iterator j = presets.begin(); j != presets.end(); ++j) {
2375                         Gtk::TreeModel::Row child_row = *(favorite_plugins_model->append (newrow.children()));
2376                         child_row[favorite_plugins_columns.name] = (*j).label;
2377                         child_row[favorite_plugins_columns.plugin] = PluginPresetPtr (new PluginPreset(pip, &(*j)));
2378                 }
2379                 if (favorite_ui_state.find (pip->unique_id) != favorite_ui_state.end ()) {
2380                         if (favorite_ui_state[pip->unique_id]) {
2381                                 favorite_plugins_display.expand_row (favorite_plugins_model->get_path(newrow), true);
2382                         }
2383                 }
2384         }
2385 }
2386
2387 void
2388 Mixer_UI::popup_note_context_menu (GdkEventButton *ev)
2389 {
2390         using namespace Gtk::Menu_Helpers;
2391
2392         Gtk::Menu* m = manage (new Menu);
2393         MenuList& items = m->items ();
2394
2395         if (_selection.routes.empty()) {
2396                 items.push_back (MenuElem (_("No Track/Bus is selected.")));
2397         } else {
2398                 items.push_back (MenuElem (_("Add at the top"),
2399                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddTop)));
2400                 items.push_back (MenuElem (_("Add Pre-Fader"),
2401                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddPreFader)));
2402                 items.push_back (MenuElem (_("Add Post-Fader"),
2403                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddPostFader)));
2404                 items.push_back (MenuElem (_("Add at the end"),
2405                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddBottom)));
2406         }
2407
2408         items.push_back (SeparatorElem());
2409
2410         items.push_back (MenuElem (_("Remove from favorites"), sigc::mem_fun (*this, &Mixer_UI::remove_selected_from_favorites)));
2411
2412         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2413         if (ppp && ppp->_preset.valid && ppp->_preset.user) {
2414                 // we cannot currently delete AU presets
2415                 if (!ppp->_pip || ppp->_pip->type != AudioUnit) {
2416                         items.push_back (MenuElem (_("Delete Preset"), sigc::mem_fun (*this, &Mixer_UI::delete_selected_preset)));
2417                 }
2418         }
2419
2420         m->popup (ev->button, ev->time);
2421 }
2422
2423 bool
2424 Mixer_UI::plugin_row_button_press (GdkEventButton *ev)
2425 {
2426         if ((ev->type == GDK_BUTTON_PRESS) && (ev->button == 3) ) {
2427                 TreeModel::Path path;
2428                 TreeViewColumn* column;
2429                 int cellx, celly;
2430                 if (favorite_plugins_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
2431                         Glib::RefPtr<Gtk::TreeView::Selection> selection = favorite_plugins_display.get_selection();
2432                         if (selection) {
2433                                 selection->unselect_all();
2434                                 selection->select(path);
2435                         }
2436                 }
2437                 ARDOUR::PluginPresetPtr ppp = selected_plugin();
2438                 if (ppp) {
2439                         popup_note_context_menu (ev);
2440                 }
2441         }
2442         return false;
2443 }
2444
2445
2446 PluginPresetPtr
2447 Mixer_UI::selected_plugin ()
2448 {
2449         Glib::RefPtr<Gtk::TreeView::Selection> selection = favorite_plugins_display.get_selection();
2450         if (!selection) {
2451                 return PluginPresetPtr();
2452         }
2453         Gtk::TreeModel::iterator iter = selection->get_selected();
2454         if (!iter) {
2455                 return PluginPresetPtr();
2456         }
2457         return (*iter)[favorite_plugins_columns.plugin];
2458 }
2459
2460 void
2461 Mixer_UI::add_selected_processor (ProcessorPosition pos)
2462 {
2463         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2464         if (ppp) {
2465                 add_favorite_processor (ppp, pos);
2466         }
2467 }
2468
2469 void
2470 Mixer_UI::delete_selected_preset ()
2471 {
2472         if (!_session) {
2473                 return;
2474         }
2475         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2476         if (!ppp || !ppp->_preset.valid || !ppp->_preset.user) {
2477                 return;
2478         }
2479         PluginPtr plugin = ppp->_pip->load (*_session);
2480         plugin->get_presets();
2481         plugin->remove_preset (ppp->_preset.label);
2482 }
2483
2484 void
2485 Mixer_UI::remove_selected_from_favorites ()
2486 {
2487         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2488         if (!ppp) {
2489                 return;
2490         }
2491         PluginManager::PluginStatusType status = PluginManager::Normal;
2492         PluginManager& manager (PluginManager::instance());
2493
2494         manager.set_status (ppp->_pip->type, ppp->_pip->unique_id, status);
2495         manager.save_statuses ();
2496 }
2497
2498 void
2499 Mixer_UI::plugin_row_activated (const TreeModel::Path& path, TreeViewColumn* column)
2500 {
2501         TreeIter iter;
2502         if (!(iter = favorite_plugins_model->get_iter (path))) {
2503                 return;
2504         }
2505         ARDOUR::PluginPresetPtr ppp = (*iter)[favorite_plugins_columns.plugin];
2506         add_favorite_processor (ppp, AddPreFader); // TODO: preference?!
2507 }
2508
2509 void
2510 Mixer_UI::add_favorite_processor (ARDOUR::PluginPresetPtr ppp, ProcessorPosition pos)
2511 {
2512         if (!_session || _selection.routes.empty()) {
2513                 return;
2514         }
2515
2516         PluginInfoPtr pip = ppp->_pip;
2517         for (RouteUISelection::iterator i = _selection.routes.begin(); i != _selection.routes.end(); ++i) {
2518                 boost::shared_ptr<ARDOUR::Route> rt = (*i)->route();
2519                 if (!rt) { continue; }
2520
2521                 PluginPtr p = pip->load (*_session);
2522                 if (!p) { continue; }
2523
2524                 if (ppp->_preset.valid) {
2525                         p->load_preset (ppp->_preset);
2526                 }
2527
2528                 Route::ProcessorStreams err;
2529                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
2530
2531                 switch (pos) {
2532                         case AddTop:
2533                                 rt->add_processor_by_index (processor, 0, &err, Config->get_new_plugins_active ());
2534                                 break;
2535                         case AddPreFader:
2536                                 rt->add_processor (processor, PreFader, &err, Config->get_new_plugins_active ());
2537                                 break;
2538                         case AddPostFader:
2539                                 {
2540                                         int idx = 0;
2541                                         for (;;++idx) {
2542                                                 boost::shared_ptr<Processor> np = rt->nth_processor (idx);
2543                                                 if (!np || boost::dynamic_pointer_cast<Amp> (np)) {
2544                                                         break;
2545                                                 }
2546                                         }
2547                                         rt->add_processor_by_index (processor, ++idx, &err, Config->get_new_plugins_active ());
2548                                 }
2549                                 break;
2550                         case AddBottom:
2551                                 rt->add_processor_by_index (processor, -1, &err, Config->get_new_plugins_active ());
2552                                 break;
2553                 }
2554         }
2555 }
2556
2557 bool
2558 PluginTreeStore::row_drop_possible_vfunc(const Gtk::TreeModel::Path& dest, const Gtk::SelectionData& data) const
2559 {
2560         if (data.get_target() != "GTK_TREE_MODEL_ROW") {
2561                 return false;
2562         }
2563
2564         // only allow to re-order top-level items
2565         TreePath src;
2566         if (TreePath::get_from_selection_data (data, src)) {
2567                 if (src.up() && src.up()) {
2568                         return false;
2569                 }
2570         }
2571
2572         // don't allow to drop as child-rows.
2573         Gtk::TreeModel::Path _dest = dest; // un const
2574         const bool is_child = _dest.up (); // explicit bool for clang
2575         if (!is_child || _dest.empty ()) {
2576                 return true;
2577         }
2578         return false;
2579 }
2580
2581 void
2582 Mixer_UI::plugin_drop (const Glib::RefPtr<Gdk::DragContext>&, const Gtk::SelectionData& data)
2583 {
2584         if (data.get_target() != "PluginPresetPtr") {
2585                 return;
2586         }
2587         if (data.get_length() != sizeof (PluginPresetPtr)) {
2588                 return;
2589         }
2590         const void *d = data.get_data();
2591         const PluginPresetPtr ppp = *(static_cast<const PluginPresetPtr*> (d));
2592
2593         PluginManager::PluginStatusType status = PluginManager::Favorite;
2594         PluginManager& manager (PluginManager::instance());
2595
2596         manager.set_status (ppp->_pip->type, ppp->_pip->unique_id, status);
2597         manager.save_statuses ();
2598 }