gtk2_ardour/mixer_ui.cc

   1 /*
   2     Copyright (C) 2000-2004 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <algorithm>
  25 #include <map>
  26 #include <sigc++/bind.h>
  27
  28 #include <gtkmm/accelmap.h>
  29
  30 #include "pbd/convert.h"
  31 #include "pbd/stacktrace.h"
  32 #include "pbd/unwind.h"
  33
  34 #include <glibmm/threads.h>
  35
  36 #include <gtkmm2ext/gtk_ui.h>
  37 #include <gtkmm2ext/keyboard.h>
  38 #include <gtkmm2ext/utils.h>
  39 #include <gtkmm2ext/tearoff.h>
  40 #include <gtkmm2ext/window_title.h>
  41 #include <gtkmm2ext/doi.h>
  42
  43 #include "ardour/amp.h"
  44 #include "ardour/debug.h"
  45 #include "ardour/audio_track.h"
  46 #include "ardour/midi_track.h"
  47 #include "ardour/plugin_manager.h"
  48 #include "ardour/route_group.h"
  49 #include "ardour/session.h"
  50 #include "ardour/vca.h"
  51 #include "ardour/vca_manager.h"
  52
  53 #include "keyboard.h"
  54 #include "mixer_ui.h"
  55 #include "mixer_strip.h"
  56 #include "monitor_section.h"
  57 #include "plugin_selector.h"
  58 #include "public_editor.h"
  59 #include "mouse_cursors.h"
  60 #include "ardour_ui.h"
  61 #include "prompter.h"
  62 #include "utils.h"
  63 #include "route_sorter.h"
  64 #include "actions.h"
  65 #include "gui_thread.h"
  66 #include "mixer_group_tabs.h"
  67 #include "timers.h"
  68 #include "ui_config.h"
  69 #include "vca_master_strip.h"
  70
  71 #include "i18n.h"
  72
  73 using namespace ARDOUR;
  74 using namespace ARDOUR_UI_UTILS;
  75 using namespace PBD;
  76 using namespace Gtk;
  77 using namespace Glib;
  78 using namespace Gtkmm2ext;
  79 using namespace std;
  80
  81 using PBD::atoi;
  82 using PBD::Unwinder;
  83
  84 Mixer_UI* Mixer_UI::_instance = 0;
  85
  86 Mixer_UI*
  87 Mixer_UI::instance ()
  88 {
  89         if (!_instance) {
  90                 _instance  = new Mixer_UI;
  91         }
  92
  93         return _instance;
  94 }
  95
  96 Mixer_UI::Mixer_UI ()
  97         : Tabbable (_content, _("Mixer"))
  98         , no_track_list_redisplay (false)
  99         , in_group_row_change (false)
 100         , track_menu (0)
 101         , _monitor_section (0)
 102         , _plugin_selector (0)
 103         , _strip_width (UIConfiguration::instance().get_default_narrow_ms() ? Narrow : Wide)
 104         , ignore_reorder (false)
 105         , _in_group_rebuild_or_clear (false)
 106         , _route_deletion_in_progress (false)
 107         , _following_editor_selection (false)
 108         , _maximised (false)
 109         , _show_mixer_list (true)
 110 {
 111         PresentationInfo::Change.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::sync_treeview_from_presentation_info, this), gui_context());
 112
 113         /* bindings was already set in MixerActor constructor */
 114
 115         _content.set_data ("ardour-bindings", bindings);
 116
 117         scroller.set_can_default (true);
 118         // set_default (scroller);
 119
 120         scroller_base.set_flags (Gtk::CAN_FOCUS);
 121         scroller_base.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 122         scroller_base.set_name ("MixerWindow");
 123         scroller_base.signal_button_release_event().connect (sigc::mem_fun(*this, &Mixer_UI::strip_scroller_button_release));
 124
 125         /* set up drag-n-drop */
 126         vector<TargetEntry> target_table;
 127         target_table.push_back (TargetEntry ("PluginFavoritePtr"));
 128         scroller_base.drag_dest_set (target_table);
 129         scroller_base.signal_drag_data_received().connect (sigc::mem_fun(*this, &Mixer_UI::scroller_drag_data_received));
 130
 131         // add as last item of strip packer
 132         strip_packer.pack_end (scroller_base, true, true);
 133
 134         _group_tabs = new MixerGroupTabs (this);
 135         VBox* b = manage (new VBox);
 136         b->pack_start (*_group_tabs, PACK_SHRINK);
 137         b->pack_start (strip_packer);
 138         b->show_all ();
 139
 140         scroller.add (*b);
 141         scroller.set_policy (Gtk::POLICY_ALWAYS, Gtk::POLICY_AUTOMATIC);
 142
 143         setup_track_display ();
 144
 145         group_model = ListStore::create (group_columns);
 146         group_display.set_model (group_model);
 147         group_display.append_column (_("Group"), group_columns.text);
 148         group_display.append_column (_("Show"), group_columns.visible);
 149         group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 150         group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 151         group_display.get_column (0)->set_expand(true);
 152         group_display.get_column (1)->set_expand(false);
 153         group_display.set_name ("EditGroupList");
 154         group_display.get_selection()->set_mode (Gtk::SELECTION_SINGLE);
 155         group_display.set_reorderable (true);
 156         group_display.set_headers_visible (true);
 157         group_display.set_rules_hint (true);
 158         group_display.set_can_focus(false);
 159
 160         /* name is directly editable */
 161
 162         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(group_display.get_column_cell_renderer (0));
 163         name_cell->property_editable() = true;
 164         name_cell->signal_edited().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_name_edit));
 165
 166         /* use checkbox for the active column */
 167
 168         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(group_display.get_column_cell_renderer (1));
 169         active_cell->property_activatable() = true;
 170         active_cell->property_radio() = false;
 171
 172         group_model->signal_row_changed().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_row_change));
 173         /* We use this to notice drag-and-drop reorders of the group list */
 174         group_model->signal_row_deleted().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_row_deleted));
 175         group_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::group_display_button_press), false);
 176
 177         group_display_scroller.add (group_display);
 178         group_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 179
 180         HBox* route_group_display_button_box = manage (new HBox());
 181
 182         Button* route_group_add_button = manage (new Button ());
 183         Button* route_group_remove_button = manage (new Button ());
 184
 185         Widget* w;
 186
 187         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 188         w->show();
 189         route_group_add_button->add (*w);
 190
 191         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 192         w->show();
 193         route_group_remove_button->add (*w);
 194
 195         route_group_display_button_box->set_homogeneous (true);
 196
 197         route_group_add_button->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::new_route_group));
 198         route_group_remove_button->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::remove_selected_route_group));
 199
 200         route_group_display_button_box->add (*route_group_add_button);
 201         route_group_display_button_box->add (*route_group_remove_button);
 202
 203         group_display_vbox.pack_start (group_display_scroller, true, true);
 204         group_display_vbox.pack_start (*route_group_display_button_box, false, false);
 205
 206         group_display_frame.set_name ("BaseFrame");
 207         group_display_frame.set_shadow_type (Gtk::SHADOW_IN);
 208         group_display_frame.add (group_display_vbox);
 209
 210
 211         list<TargetEntry> target_list;
 212         target_list.push_back (TargetEntry ("PluginPresetPtr"));
 213
 214         favorite_plugins_model = PluginTreeStore::create (favorite_plugins_columns);
 215         favorite_plugins_display.set_model (favorite_plugins_model);
 216         favorite_plugins_display.append_column (_("Favorite Plugins"), favorite_plugins_columns.name);
 217         favorite_plugins_display.set_name ("EditGroupList");
 218         favorite_plugins_display.get_selection()->set_mode (Gtk::SELECTION_SINGLE);
 219         favorite_plugins_display.set_reorderable (false);
 220         favorite_plugins_display.set_headers_visible (true);
 221         favorite_plugins_display.set_rules_hint (true);
 222         favorite_plugins_display.set_can_focus (false);
 223         favorite_plugins_display.add_object_drag (favorite_plugins_columns.plugin.index(), "PluginFavoritePtr");
 224         favorite_plugins_display.set_drag_column (favorite_plugins_columns.name.index());
 225         favorite_plugins_display.add_drop_targets (target_list);
 226         favorite_plugins_display.signal_row_activated().connect (sigc::mem_fun (*this, &Mixer_UI::plugin_row_activated));
 227         favorite_plugins_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::plugin_row_button_press), false);
 228         favorite_plugins_display.signal_drop.connect (sigc::mem_fun (*this, &Mixer_UI::plugin_drop));
 229         favorite_plugins_display.signal_row_expanded().connect (sigc::mem_fun (*this, &Mixer_UI::save_favorite_ui_state));
 230         favorite_plugins_display.signal_row_collapsed().connect (sigc::mem_fun (*this, &Mixer_UI::save_favorite_ui_state));
 231         favorite_plugins_model->signal_row_has_child_toggled().connect (sigc::mem_fun (*this, &Mixer_UI::sync_treeview_favorite_ui_state));
 232
 233         favorite_plugins_scroller.add (favorite_plugins_display);
 234         favorite_plugins_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 235
 236         favorite_plugins_frame.set_name ("BaseFrame");
 237         favorite_plugins_frame.set_shadow_type (Gtk::SHADOW_IN);
 238         favorite_plugins_frame.add (favorite_plugins_scroller);
 239
 240         rhs_pane1.add (favorite_plugins_frame);
 241         rhs_pane1.add (track_display_frame);
 242         rhs_pane2.add (rhs_pane1);
 243         rhs_pane2.add (group_display_frame);
 244
 245         list_vpacker.pack_start (rhs_pane2, true, true);
 246
 247         vca_scroller_base.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 248         vca_scroller_base.set_name ("MixerWindow");
 249         vca_scroller_base.signal_button_release_event().connect (sigc::mem_fun(*this, &Mixer_UI::masters_scroller_button_release), false);
 250         vca_packer.pack_end (vca_scroller_base, true, true);
 251
 252         vca_scroller.add (vca_packer);
 253         vca_scroller.set_policy (Gtk::POLICY_ALWAYS, Gtk::POLICY_AUTOMATIC);
 254         vca_scroller.signal_button_release_event().connect (sigc::mem_fun(*this, &Mixer_UI::strip_scroller_button_release));
 255
 256         inner_pane.add (scroller);
 257         inner_pane.add (vca_scroller);
 258
 259         global_hpacker.pack_start (inner_pane, true, true);
 260         global_hpacker.pack_start (out_packer, false, false);
 261
 262         list_hpane.add (list_vpacker);
 263         list_hpane.add (global_hpacker);
 264
 265
 266         XMLNode const * settings = ARDOUR_UI::instance()->mixer_settings();
 267         XMLProperty const * prop;
 268         float fract;
 269
 270         {
 271                 LocaleGuard lg;
 272
 273                 if (!settings || ((prop = settings->property ("mixer-rhs-pane1-pos")) == 0) || ((fract = atof (prop->value())) > 1.0)) {
 274                         rhs_pane1.set_divider (0, 0.6f);
 275                 } else {
 276                         rhs_pane1.set_divider (0, fract);
 277                 }
 278                 if (!settings || ((prop = settings->property ("mixer-rhs-pane2-pos")) == 0) || ((fract = atof (prop->value())) > 1.0)) {
 279                         rhs_pane2.set_divider (0, 0.7f);
 280                 } else {
 281                         rhs_pane2.set_divider (0, fract);
 282                 }
 283                 if (!settings || ((prop = settings->property ("mixer-list-hpane-pos")) == 0) || ((fract = atof (prop->value())) > 1.0)) {
 284                         list_hpane.set_divider (0, 0.2f);
 285                 } else {
 286                         list_hpane.set_divider (0, fract);
 287                 }
 288                 if (!settings || ((prop = settings->property ("mixer-inner-pos")) == 0)  || ((fract = atof (prop->value())) > 1.0)) {
 289                         inner_pane.set_divider (0, 0.8f);
 290                 } else {
 291                         inner_pane.set_divider (0, atof (prop->value()));
 292                 }
 293         }
 294
 295         rhs_pane1.set_drag_cursor (*PublicEditor::instance().cursors()->expand_up_down);
 296         rhs_pane2.set_drag_cursor (*PublicEditor::instance().cursors()->expand_up_down);
 297         list_hpane.set_drag_cursor (*PublicEditor::instance().cursors()->expand_left_right);
 298         inner_pane.set_drag_cursor (*PublicEditor::instance().cursors()->expand_left_right);
 299
 300         _content.pack_start (list_hpane, true, true);
 301
 302         update_title ();
 303
 304         route_group_display_button_box->show();
 305         route_group_add_button->show();
 306         route_group_remove_button->show();
 307
 308         _content.show ();
 309         _content.set_name ("MixerWindow");
 310
 311         global_hpacker.show();
 312         scroller.show();
 313         scroller_base.show();
 314         scroller_hpacker.show();
 315         mixer_scroller_vpacker.show();
 316         list_vpacker.show();
 317         group_display_button_label.show();
 318         group_display_button.show();
 319         group_display_scroller.show();
 320         favorite_plugins_scroller.show();
 321         group_display_vbox.show();
 322         group_display_frame.show();
 323         favorite_plugins_frame.show();
 324         rhs_pane1.show();
 325         rhs_pane2.show();
 326         strip_packer.show();
 327         inner_pane.show();
 328         vca_scroller.show();
 329         vca_packer.show();
 330         vca_scroller_base.show();
 331         out_packer.show();
 332         list_hpane.show();
 333         group_display.show();
 334         favorite_plugins_display.show();
 335
 336         MixerStrip::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::remove_strip, this, _1), gui_context());
 337
 338         /* handle escape */
 339
 340         ARDOUR_UI::instance()->Escape.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::escape, this), gui_context());
 341
 342 #ifndef DEFER_PLUGIN_SELECTOR_LOAD
 343         _plugin_selector = new PluginSelector (PluginManager::instance ());
 344 #else
 345 #error implement deferred Plugin-Favorite list
 346 #endif
 347         PluginManager::instance ().PluginListChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::refill_favorite_plugins, this), gui_context());
 348         PluginManager::instance ().PluginStatusesChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::refill_favorite_plugins, this), gui_context());
 349         ARDOUR::Plugin::PresetsChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::refill_favorite_plugins, this), gui_context());
 350 }
 351
 352 Mixer_UI::~Mixer_UI ()
 353 {
 354         if (_monitor_section) {
 355                 monitor_section_detached ();
 356                 delete _monitor_section;
 357         }
 358         delete _plugin_selector;
 359 }
 360
 361 void
 362 Mixer_UI::escape ()
 363 {
 364         select_none ();
 365 }
 366
 367 void
 368 Mixer_UI::track_editor_selection ()
 369 {
 370         PublicEditor::instance().get_selection().TracksChanged.connect (sigc::mem_fun (*this, &Mixer_UI::follow_editor_selection));
 371 }
 372
 373 Gtk::Window*
 374 Mixer_UI::use_own_window (bool and_fill_it)
 375 {
 376         bool new_window = !own_window();
 377
 378         Gtk::Window* win = Tabbable::use_own_window (and_fill_it);
 379
 380
 381         if (win && new_window) {
 382                 win->set_name ("MixerWindow");
 383                 ARDOUR_UI::instance()->setup_toplevel_window (*win, _("Mixer"), this);
 384                 win->signal_scroll_event().connect (sigc::mem_fun (*this, &Mixer_UI::on_scroll_event), false);
 385                 win->signal_event().connect (sigc::bind (sigc::ptr_fun (&Keyboard::catch_user_event_for_pre_dialog_focus), win));
 386                 win->set_data ("ardour-bindings", bindings);
 387                 update_title ();
 388         }
 389
 390         return win;
 391 }
 392
 393 void
 394 Mixer_UI::show_window ()
 395 {
 396         Tabbable::show_window ();
 397
 398         /* show/hide group tabs as required */
 399         parameter_changed ("show-group-tabs");
 400
 401         /* now reset each strips width so the right widgets are shown */
 402         MixerStrip* ms;
 403
 404         TreeModel::Children rows = track_model->children();
 405         TreeModel::Children::iterator ri;
 406
 407         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 408                 ms = (*ri)[track_columns.strip];
 409                 if (!ms) {
 410                         continue;
 411                 }
 412                 ms->set_width_enum (ms->get_width_enum (), ms->width_owner());
 413                 /* Fix visibility of mixer strip stuff */
 414                 ms->parameter_changed (X_("mixer-element-visibility"));
 415         }
 416
 417         /* force focus into main area */
 418         scroller_base.grab_focus ();
 419 }
 420
 421 void
 422 Mixer_UI::add_masters (VCAList& vcas)
 423 {
 424         for (VCAList::iterator v = vcas.begin(); v != vcas.end(); ++v) {
 425
 426                 VCAMasterStrip* vms = new VCAMasterStrip (_session, *v);
 427
 428                 TreeModel::Row row = *(track_model->append());
 429                 row[track_columns.text] = (*v)->name();
 430                 row[track_columns.visible] = true;
 431                 row[track_columns.vca] = vms;
 432
 433                 vms->CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::remove_master, this, _1), gui_context());
 434         }
 435
 436         redisplay_track_list ();
 437 }
 438
 439 void
 440 Mixer_UI::remove_master (VCAMasterStrip* vms)
 441 {
 442         if (_session && _session->deletion_in_progress()) {
 443                 /* its all being taken care of */
 444                 return;
 445         }
 446
 447         TreeModel::Children rows = track_model->children();
 448         TreeModel::Children::iterator ri;
 449
 450         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 451                 if ((*ri)[track_columns.vca] == vms) {
 452                         PBD::Unwinder<bool> uw (_route_deletion_in_progress, true);
 453                         track_model->erase (ri);
 454                         break;
 455                 }
 456         }
 457 }
 458
 459 bool
 460 Mixer_UI::masters_scroller_button_release (GdkEventButton* ev)
 461 {
 462         using namespace Menu_Helpers;
 463
 464         if (Keyboard::is_context_menu_event (ev)) {
 465                 ARDOUR_UI::instance()->add_route ();
 466                 return true;
 467         }
 468
 469         return false;
 470 }
 471
 472 void
 473 Mixer_UI::add_strips (RouteList& routes)
 474 {
 475         Gtk::TreeModel::Children::iterator insert_iter = track_model->children().end();
 476         uint32_t nroutes = 0;
 477
 478         for (Gtk::TreeModel::Children::iterator it = track_model->children().begin(); it != track_model->children().end(); ++it) {
 479                 boost::shared_ptr<Route> r = (*it)[track_columns.route];
 480
 481                 if (!r) {
 482                         continue;
 483                 }
 484
 485                 nroutes++;
 486
 487                 if (r->presentation_info().order() == (routes.front()->presentation_info().order() + routes.size())) {
 488                         insert_iter = it;
 489                         break;
 490                 }
 491         }
 492
 493         if (nroutes) {
 494                 _selection.clear_routes ();
 495         }
 496
 497         MixerStrip* strip;
 498
 499         try {
 500                 no_track_list_redisplay = true;
 501                 track_display.set_model (Glib::RefPtr<ListStore>());
 502
 503                 for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
 504                         boost::shared_ptr<Route> route = (*x);
 505
 506                         if (route->is_auditioner()) {
 507                                 continue;
 508                         }
 509
 510                         if (route->is_monitor()) {
 511
 512                                 if (!_monitor_section) {
 513                                         _monitor_section = new MonitorSection (_session);
 514
 515                                         XMLNode* mnode = ARDOUR_UI::instance()->tearoff_settings (X_("monitor-section"));
 516                                         if (mnode) {
 517                                                 _monitor_section->tearoff().set_state (*mnode);
 518                                         }
 519                                 }
 520
 521                                 out_packer.pack_end (_monitor_section->tearoff(), false, false);
 522                                 _monitor_section->set_session (_session);
 523                                 _monitor_section->tearoff().show_all ();
 524
 525                                 _monitor_section->tearoff().Detach.connect (sigc::mem_fun(*this, &Mixer_UI::monitor_section_detached));
 526                                 _monitor_section->tearoff().Attach.connect (sigc::mem_fun(*this, &Mixer_UI::monitor_section_attached));
 527
 528                                 monitor_section_attached ();
 529
 530                                 route->DropReferences.connect (*this, invalidator(*this), boost::bind (&Mixer_UI::monitor_section_going_away, this), gui_context());
 531
 532                                 /* no regular strip shown for control out */
 533
 534                                 continue;
 535                         }
 536
 537                         strip = new MixerStrip (*this, _session, route);
 538                         strips.push_back (strip);
 539
 540                         UIConfiguration::instance().get_default_narrow_ms() ? _strip_width = Narrow : _strip_width = Wide;
 541
 542                         if (strip->width_owner() != strip) {
 543                                 strip->set_width_enum (_strip_width, this);
 544                         }
 545
 546                         show_strip (strip);
 547
 548                         TreeModel::Row row = *(track_model->insert(insert_iter));
 549                         row[track_columns.text] = route->name();
 550                         row[track_columns.visible] = strip->route()->is_master() ? true : strip->marked_for_display();
 551                         row[track_columns.route] = route;
 552                         row[track_columns.strip] = strip;
 553                         row[track_columns.vca] = 0;
 554
 555                         if (nroutes != 0) {
 556                                 _selection.add (strip);
 557                         }
 558
 559                         route->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::strip_property_changed, this, _1, strip), gui_context());
 560
 561                         strip->WidthChanged.connect (sigc::mem_fun(*this, &Mixer_UI::strip_width_changed));
 562                         strip->signal_button_release_event().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::strip_button_release_event), strip));
 563                 }
 564
 565         } catch (const std::exception& e) {
 566                 error << string_compose (_("Error adding GUI elements for new tracks/busses %1"), e.what()) << endmsg;
 567         }
 568
 569         no_track_list_redisplay = false;
 570         track_display.set_model (track_model);
 571
 572         sync_presentation_info_from_treeview ();
 573         redisplay_track_list ();
 574 }
 575
 576 void
 577 Mixer_UI::deselect_all_strip_processors ()
 578 {
 579         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 580                 (*i)->deselect_all_processors();
 581         }
 582 }
 583
 584 void
 585 Mixer_UI::select_strip (MixerStrip& ms, bool add)
 586 {
 587         if (add) {
 588                 _selection.add (&ms);
 589         } else {
 590                 _selection.set (&ms);
 591         }
 592 }
 593
 594 void
 595 Mixer_UI::select_none ()
 596 {
 597         _selection.clear_routes();
 598         deselect_all_strip_processors();
 599 }
 600
 601 void
 602 Mixer_UI::delete_processors ()
 603 {
 604         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 605                 (*i)->delete_processors();
 606         }
 607 }
 608
 609
 610 void
 611 Mixer_UI::remove_strip (MixerStrip* strip)
 612 {
 613         if (_session && _session->deletion_in_progress()) {
 614                 /* its all being taken care of */
 615                 return;
 616         }
 617
 618         TreeModel::Children rows = track_model->children();
 619         TreeModel::Children::iterator ri;
 620         list<MixerStrip *>::iterator i;
 621
 622         if ((i = find (strips.begin(), strips.end(), strip)) != strips.end()) {
 623                 strips.erase (i);
 624         }
 625
 626         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 627                 if ((*ri)[track_columns.strip] == strip) {
 628                         PBD::Unwinder<bool> uw (_route_deletion_in_progress, true);
 629                         track_model->erase (ri);
 630                         break;
 631                 }
 632         }
 633 }
 634
 635 void
 636 Mixer_UI::sync_presentation_info_from_treeview ()
 637 {
 638         if (ignore_reorder || !_session || _session->deletion_in_progress() || (Config->get_remote_model() != MixerOrdered)) {
 639                 return;
 640         }
 641
 642         TreeModel::Children rows = track_model->children();
 643
 644         if (rows.empty()) {
 645                 return;
 646         }
 647
 648         DEBUG_TRACE (DEBUG::OrderKeys, "mixer sync presentation info from treeview\n");
 649
 650         TreeModel::Children::iterator ri;
 651         bool change = false;
 652         uint32_t order = 0;
 653
 654         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 655                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 656                 bool visible = (*ri)[track_columns.visible];
 657
 658
 659                 if (!route) {
 660                         continue;
 661                 }
 662
 663                 if (route->presentation_info().special()) {
 664                         continue;
 665                 }
 666
 667                 if (!visible) {
 668                         route->presentation_info().set_flag (PresentationInfo::Hidden);
 669                 } else {
 670                         route->presentation_info().unset_flag (PresentationInfo::Hidden);
 671                 }
 672
 673                 if (order != route->presentation_info().order()) {
 674                         route->set_presentation_group_order_explicit (order);
 675                         change = true;
 676                 }
 677
 678                 ++order;
 679         }
 680
 681         if (change) {
 682                 DEBUG_TRACE (DEBUG::OrderKeys, "... notify PI change from mixer GUI\n");
 683                 _session->notify_presentation_info_change ();
 684         }
 685 }
 686
 687 void
 688 Mixer_UI::sync_treeview_from_presentation_info ()
 689 {
 690         if (!_session || _session->deletion_in_progress()) {
 691                 return;
 692         }
 693
 694         DEBUG_TRACE (DEBUG::OrderKeys, "mixer sync model from presentation info.\n");
 695
 696         /* we could get here after either a change in the Mixer or Editor sort
 697          * order, but either way, the mixer order keys reflect the intended
 698          * order for the GUI, so reorder the treeview model to match it.
 699          */
 700
 701         vector<int> neworder;
 702         TreeModel::Children rows = track_model->children();
 703         uint32_t old_order = 0;
 704         bool changed = false;
 705
 706         if (rows.empty()) {
 707                 return;
 708         }
 709
 710         OrderingKeys sorted;
 711         uint32_t vca_cnt = 0;
 712         uint32_t max_route_order_key = 0;
 713
 714         /* count number of Routes in track_model (there may be some odd reason
 715            why this is not the same as the number in the session, but here we
 716            care about the track model.
 717         */
 718
 719         for (TreeModel::Children::iterator ri = rows.begin(); ri != rows.end(); ++ri) {
 720                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 721                 if (route) {
 722                         max_route_order_key = max (route->presentation_info().order(), max_route_order_key);
 723                 }
 724         }
 725
 726         for (TreeModel::Children::iterator ri = rows.begin(); ri != rows.end(); ++ri, ++old_order) {
 727                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 728                 if (!route) {
 729                         /* VCAs need to sort after all routes. We don't display
 730                          * them in the same place (March 2016), but we don't
 731                          * want them intermixed in the track_model
 732                          */
 733                         sorted.push_back (OrderKeys (old_order, max_route_order_key + ++vca_cnt));
 734                 } else {
 735                         sorted.push_back (OrderKeys (old_order, route->presentation_info().order()));
 736                 }
 737         }
 738
 739         SortByNewDisplayOrder cmp;
 740
 741         sort (sorted.begin(), sorted.end(), cmp);
 742         neworder.assign (sorted.size(), 0);
 743
 744         uint32_t n = 0;
 745
 746         for (OrderingKeys::iterator sr = sorted.begin(); sr != sorted.end(); ++sr, ++n) {
 747
 748                 neworder[n] = sr->old_display_order;
 749
 750                 if (sr->old_display_order != n) {
 751                         changed = true;
 752                 }
 753         }
 754
 755         if (changed) {
 756                 Unwinder<bool> uw (ignore_reorder, true);
 757                 track_model->reorder (neworder);
 758         }
 759
 760         redisplay_track_list ();
 761 }
 762
 763 void
 764 Mixer_UI::follow_editor_selection ()
 765 {
 766         if (_following_editor_selection) {
 767                 return;
 768         }
 769
 770         _following_editor_selection = true;
 771         _selection.block_routes_changed (true);
 772
 773         TrackSelection& s (PublicEditor::instance().get_selection().tracks);
 774
 775         _selection.clear_routes ();
 776
 777         for (TrackViewList::iterator i = s.begin(); i != s.end(); ++i) {
 778                 RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*i);
 779                 if (rtav) {
 780                         MixerStrip* ms = strip_by_route (rtav->route());
 781                         if (ms) {
 782                                 _selection.add (ms);
 783                         }
 784                 }
 785         }
 786
 787         _following_editor_selection = false;
 788         _selection.block_routes_changed (false);
 789 }
 790
 791
 792 MixerStrip*
 793 Mixer_UI::strip_by_route (boost::shared_ptr<Route> r)
 794 {
 795         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 796                 if ((*i)->route() == r) {
 797                         return (*i);
 798                 }
 799         }
 800
 801         return 0;
 802 }
 803
 804 bool
 805 Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
 806 {
 807         if (ev->button == 1) {
 808                 if (_selection.selected (strip)) {
 809                         /* primary-click: toggle selection state of strip */
 810                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 811                                 _selection.remove (strip);
 812                         } else if (_selection.routes.size() > 1) {
 813                                 /* de-select others */
 814                                 _selection.set (strip);
 815                         }
 816                 } else {
 817                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 818                                 _selection.add (strip);
 819                         } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::RangeSelectModifier)) {
 820
 821                                 if (!_selection.selected(strip)) {
 822
 823                                         /* extend selection */
 824
 825                                         vector<MixerStrip*> tmp;
 826                                         bool accumulate = false;
 827                                         bool found_another = false;
 828
 829                                         tmp.push_back (strip);
 830
 831                                         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
 832                                                 if ((*i) == strip) {
 833                                                         /* hit clicked strip, start accumulating till we hit the first
 834                                                            selected strip
 835                                                         */
 836                                                         if (accumulate) {
 837                                                                 /* done */
 838                                                                 break;
 839                                                         } else {
 840                                                                 accumulate = true;
 841                                                         }
 842                                                 } else if (_selection.selected (*i)) {
 843                                                         /* hit selected strip. if currently accumulating others,
 844                                                            we're done. if not accumulating others, start doing so.
 845                                                         */
 846                                                         found_another = true;
 847                                                         if (accumulate) {
 848                                                                 /* done */
 849                                                                 break;
 850                                                         } else {
 851                                                                 accumulate = true;
 852                                                         }
 853                                                 } else {
 854                                                         if (accumulate) {
 855                                                                 tmp.push_back (*i);
 856                                                         }
 857                                                 }
 858                                         }
 859
 860                                         if (found_another) {
 861                                                 for (vector<MixerStrip*>::iterator i = tmp.begin(); i != tmp.end(); ++i) {
 862                                                         _selection.add (*i);
 863                                                 }
 864                                         } else
 865                                                 _selection.set (strip);  //user wants to start a range selection, but there aren't any others selected yet
 866                                 }
 867
 868                         } else {
 869                                 _selection.set (strip);
 870                         }
 871                 }
 872         }
 873
 874         return true;
 875 }
 876
 877 void
 878 Mixer_UI::set_session (Session* sess)
 879 {
 880         SessionHandlePtr::set_session (sess);
 881
 882         if (_plugin_selector) {
 883                 _plugin_selector->set_session (_session);
 884         }
 885
 886         _group_tabs->set_session (sess);
 887
 888         if (!_session) {
 889                 return;
 890         }
 891
 892         refill_favorite_plugins();
 893
 894         XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
 895         set_state (*node, 0);
 896
 897         update_title ();
 898
 899         initial_track_display ();
 900
 901         _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_strips, this, _1), gui_context());
 902         _session->route_group_added.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_route_group, this, _1), gui_context());
 903         _session->route_group_removed.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 904         _session->route_groups_reordered.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 905         _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context());
 906         _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 907         _session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 908
 909         _session->vca_manager().VCAAdded.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_masters, this, _1), gui_context());
 910
 911         Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context ());
 912
 913         route_groups_changed ();
 914
 915         if (_visible) {
 916                 show_window();
 917         }
 918         start_updating ();
 919 }
 920
 921 void
 922 Mixer_UI::session_going_away ()
 923 {
 924         ENSURE_GUI_THREAD (*this, &Mixer_UI::session_going_away);
 925
 926         _in_group_rebuild_or_clear = true;
 927         group_model->clear ();
 928         _in_group_rebuild_or_clear = false;
 929
 930         _selection.clear ();
 931         track_model->clear ();
 932
 933         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 934                 delete (*i);
 935         }
 936
 937         if (_monitor_section) {
 938                 _monitor_section->tearoff().hide_visible ();
 939         }
 940
 941         monitor_section_detached ();
 942
 943         strips.clear ();
 944
 945         stop_updating ();
 946
 947         SessionHandlePtr::session_going_away ();
 948
 949         _session = 0;
 950         update_title ();
 951 }
 952
 953 void
 954 Mixer_UI::track_visibility_changed (std::string const & path)
 955 {
 956         if (_session && _session->deletion_in_progress()) {
 957                 return;
 958         }
 959
 960         TreeIter iter;
 961
 962         if ((iter = track_model->get_iter (path))) {
 963                 MixerStrip* strip = (*iter)[track_columns.strip];
 964                 if (strip) {
 965                         bool visible = (*iter)[track_columns.visible];
 966
 967                         if (strip->set_marked_for_display (!visible)) {
 968                                 update_track_visibility ();
 969                         }
 970                 }
 971         }
 972 }
 973
 974 void
 975 Mixer_UI::update_track_visibility ()
 976 {
 977         TreeModel::Children rows = track_model->children();
 978         TreeModel::Children::iterator i;
 979
 980         {
 981                 Unwinder<bool> uw (no_track_list_redisplay, true);
 982
 983                 for (i = rows.begin(); i != rows.end(); ++i) {
 984                         MixerStrip *strip = (*i)[track_columns.strip];
 985                         if (strip) {
 986                                 (*i)[track_columns.visible] = strip->marked_for_display ();
 987                         }
 988                 }
 989
 990                 /* force presentation catch up with visibility changes
 991                  */
 992
 993                 sync_presentation_info_from_treeview ();
 994         }
 995
 996         redisplay_track_list ();
 997 }
 998
 999 void
1000 Mixer_UI::show_strip (MixerStrip* ms)
1001 {
1002         TreeModel::Children rows = track_model->children();
1003         TreeModel::Children::iterator i;
1004
1005         for (i = rows.begin(); i != rows.end(); ++i) {
1006
1007                 MixerStrip* strip = (*i)[track_columns.strip];
1008                 if (strip == ms) {
1009                         (*i)[track_columns.visible] = true;
1010                         redisplay_track_list ();
1011                         break;
1012                 }
1013         }
1014 }
1015
1016 void
1017 Mixer_UI::hide_strip (MixerStrip* ms)
1018 {
1019         TreeModel::Children rows = track_model->children();
1020         TreeModel::Children::iterator i;
1021
1022         for (i = rows.begin(); i != rows.end(); ++i) {
1023
1024                 MixerStrip* strip = (*i)[track_columns.strip];
1025                 if (strip == ms) {
1026                         (*i)[track_columns.visible] = false;
1027                         redisplay_track_list ();
1028                         break;
1029                 }
1030         }
1031 }
1032
1033 gint
1034 Mixer_UI::start_updating ()
1035 {
1036     fast_screen_update_connection = Timers::super_rapid_connect (sigc::mem_fun(*this, &Mixer_UI::fast_update_strips));
1037     return 0;
1038 }
1039
1040 gint
1041 Mixer_UI::stop_updating ()
1042 {
1043     fast_screen_update_connection.disconnect();
1044     return 0;
1045 }
1046
1047 void
1048 Mixer_UI::fast_update_strips ()
1049 {
1050         if (_content.is_mapped () && _session) {
1051                 for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
1052                         (*i)->fast_update ();
1053                 }
1054         }
1055 }
1056
1057 void
1058 Mixer_UI::set_all_strips_visibility (bool yn)
1059 {
1060         TreeModel::Children rows = track_model->children();
1061         TreeModel::Children::iterator i;
1062
1063         {
1064                 Unwinder<bool> uw (no_track_list_redisplay, true);
1065
1066                 for (i = rows.begin(); i != rows.end(); ++i) {
1067
1068                         TreeModel::Row row = (*i);
1069                         MixerStrip* strip = row[track_columns.strip];
1070
1071                         if (!strip) {
1072                                 continue;
1073                         }
1074
1075                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
1076                                 continue;
1077                         }
1078
1079                         (*i)[track_columns.visible] = yn;
1080                 }
1081         }
1082
1083         redisplay_track_list ();
1084 }
1085
1086
1087 void
1088 Mixer_UI::set_all_audio_midi_visibility (int tracks, bool yn)
1089 {
1090         TreeModel::Children rows = track_model->children();
1091         TreeModel::Children::iterator i;
1092
1093         {
1094                 Unwinder<bool> uw (no_track_list_redisplay, true);
1095
1096                 for (i = rows.begin(); i != rows.end(); ++i) {
1097                         TreeModel::Row row = (*i);
1098                         MixerStrip* strip = row[track_columns.strip];
1099
1100                         if (!strip) {
1101                                 continue;
1102                         }
1103
1104                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
1105                                 continue;
1106                         }
1107
1108                         boost::shared_ptr<AudioTrack> at = strip->audio_track();
1109                         boost::shared_ptr<MidiTrack> mt = strip->midi_track();
1110
1111                         switch (tracks) {
1112                         case 0:
1113                                 (*i)[track_columns.visible] = yn;
1114                                 break;
1115
1116                         case 1:
1117                                 if (at) { /* track */
1118                                         (*i)[track_columns.visible] = yn;
1119                                 }
1120                                 break;
1121
1122                         case 2:
1123                                 if (!at && !mt) { /* bus */
1124                                         (*i)[track_columns.visible] = yn;
1125                                 }
1126                                 break;
1127
1128                         case 3:
1129                                 if (mt) { /* midi-track */
1130                                         (*i)[track_columns.visible] = yn;
1131                                 }
1132                                 break;
1133                         }
1134                 }
1135         }
1136
1137         redisplay_track_list ();
1138 }
1139
1140 void
1141 Mixer_UI::hide_all_routes ()
1142 {
1143         set_all_strips_visibility (false);
1144 }
1145
1146 void
1147 Mixer_UI::show_all_routes ()
1148 {
1149         set_all_strips_visibility (true);
1150 }
1151
1152 void
1153 Mixer_UI::show_all_audiobus ()
1154 {
1155         set_all_audio_midi_visibility (2, true);
1156 }
1157 void
1158 Mixer_UI::hide_all_audiobus ()
1159 {
1160         set_all_audio_midi_visibility (2, false);
1161 }
1162
1163 void
1164 Mixer_UI::show_all_audiotracks()
1165 {
1166         set_all_audio_midi_visibility (1, true);
1167 }
1168 void
1169 Mixer_UI::hide_all_audiotracks ()
1170 {
1171         set_all_audio_midi_visibility (1, false);
1172 }
1173
1174 void
1175 Mixer_UI::show_all_miditracks()
1176 {
1177         set_all_audio_midi_visibility (3, true);
1178 }
1179 void
1180 Mixer_UI::hide_all_miditracks ()
1181 {
1182         set_all_audio_midi_visibility (3, false);
1183 }
1184
1185
1186 void
1187 Mixer_UI::track_list_reorder (const TreeModel::Path&, const TreeModel::iterator&, int* /*new_order*/)
1188 {
1189         DEBUG_TRACE (DEBUG::OrderKeys, "mixer UI treeview reordered\n");
1190         sync_presentation_info_from_treeview ();
1191 }
1192
1193 void
1194 Mixer_UI::track_list_delete (const Gtk::TreeModel::Path&)
1195 {
1196         /* this happens as the second step of a DnD within the treeview as well
1197            as when a row/route is actually deleted.
1198
1199            if it was a deletion then we have to force a redisplay because
1200            order keys may not have changed.
1201         */
1202
1203         DEBUG_TRACE (DEBUG::OrderKeys, "mixer UI treeview row deleted\n");
1204         sync_presentation_info_from_treeview ();
1205
1206         if (_route_deletion_in_progress) {
1207                 redisplay_track_list ();
1208         }
1209 }
1210
1211 void
1212 Mixer_UI::spill_redisplay (boost::shared_ptr<VCA> vca)
1213 {
1214         TreeModel::Children rows = track_model->children();
1215
1216         for (TreeModel::Children::iterator i = rows.begin(); i != rows.end(); ++i) {
1217
1218                 MixerStrip* strip = (*i)[track_columns.strip];
1219
1220                 if (!strip) {
1221                         /* we're in the middle of changing a row, don't worry */
1222                         continue;
1223                 }
1224
1225                 if (!strip->route()) {
1226                         /* non-route element */
1227                         continue;
1228                 }
1229
1230                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
1231                         continue;
1232                 }
1233
1234                 if (strip->route()->slaved_to (vca)) {
1235
1236                         strip->set_gui_property ("visible", true);
1237
1238                         if (strip->packed()) {
1239                                 strip_packer.reorder_child (*strip, -1); /* put at end */
1240                         } else {
1241                                 strip_packer.pack_start (*strip, false, false);
1242                                 strip->set_packed (true);
1243                         }
1244
1245                 } else {
1246
1247                         strip->set_gui_property ("visible", false);
1248
1249                         if (strip->packed()) {
1250                                 strip_packer.remove (*strip);
1251                                 strip->set_packed (false);
1252                         }
1253                 }
1254         }
1255 }
1256
1257 void
1258 Mixer_UI::redisplay_track_list ()
1259 {
1260         if (no_track_list_redisplay) {
1261                 return;
1262         }
1263
1264         boost::shared_ptr<VCA> sv = spilled_vca.lock ();
1265
1266         if (sv) {
1267                 spill_redisplay (sv);
1268                 return;
1269         }
1270
1271         TreeModel::Children rows = track_model->children();
1272         TreeModel::Children::iterator i;
1273         uint32_t n_masters = 0;
1274
1275         container_clear (vca_packer);
1276         vca_packer.pack_end (vca_scroller_base, true, true);
1277
1278         for (i = rows.begin(); i != rows.end(); ++i) {
1279
1280                 VCAMasterStrip* vms = (*i)[track_columns.vca];
1281
1282                 if (vms) {
1283                         vca_packer.pack_start (*vms, false, false);
1284                         vms->show ();
1285                         n_masters++;
1286                         continue;
1287                 }
1288
1289                 MixerStrip* strip = (*i)[track_columns.strip];
1290
1291                 if (!strip) {
1292                         /* we're in the middle of changing a row, don't worry */
1293                         continue;
1294                 }
1295
1296                 bool const visible = (*i)[track_columns.visible];
1297
1298                 if (visible) {
1299                         strip->set_gui_property ("visible", true);
1300
1301                         if (strip->packed()) {
1302
1303                                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
1304                                         out_packer.reorder_child (*strip, -1);
1305
1306                                 } else {
1307                                         strip_packer.reorder_child (*strip, -1); /* put at end */
1308                                 }
1309
1310                         } else {
1311
1312                                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
1313                                         out_packer.pack_start (*strip, false, false);
1314                                 } else {
1315                                         strip_packer.pack_start (*strip, false, false);
1316                                 }
1317                                 strip->set_packed (true);
1318                         }
1319
1320                 } else {
1321
1322                         strip->set_gui_property ("visible", false);
1323
1324                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
1325                                 /* do nothing, these cannot be hidden */
1326                         } else {
1327                                 if (strip->packed()) {
1328                                         strip_packer.remove (*strip);
1329                                         strip->set_packed (false);
1330                                 }
1331                         }
1332                 }
1333         }
1334
1335         /* update visibility of VCA assign buttons */
1336
1337         if (n_masters == 0) {
1338                 UIConfiguration::instance().set_mixer_strip_visibility (VisibilityGroup::remove_element (UIConfiguration::instance().get_mixer_strip_visibility(), X_("VCA")));
1339                 vca_scroller.hide ();
1340         } else {
1341                 UIConfiguration::instance().set_mixer_strip_visibility (VisibilityGroup::add_element (UIConfiguration::instance().get_mixer_strip_visibility(), X_("VCA")));
1342                 vca_scroller.show ();
1343         }
1344
1345         _group_tabs->set_dirty ();
1346 }
1347
1348 void
1349 Mixer_UI::strip_width_changed ()
1350 {
1351         _group_tabs->set_dirty ();
1352
1353 #ifdef __APPLE__
1354         TreeModel::Children rows = track_model->children();
1355         TreeModel::Children::iterator i;
1356         long order;
1357
1358         for (order = 0, i = rows.begin(); i != rows.end(); ++i, ++order) {
1359                 MixerStrip* strip = (*i)[track_columns.strip];
1360
1361                 if (strip == 0) {
1362                         continue;
1363                 }
1364
1365                 bool visible = (*i)[track_columns.visible];
1366
1367                 if (visible) {
1368                         strip->queue_draw();
1369                 }
1370         }
1371 #endif
1372
1373 }
1374
1375 struct PresentationInfoRouteSorter
1376 {
1377         bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
1378                 return a->presentation_info().order () < b->presentation_info().order ();
1379         }
1380 };
1381
1382 void
1383 Mixer_UI::initial_track_display ()
1384 {
1385         boost::shared_ptr<RouteList> routes = _session->get_routes();
1386         RouteList copy (*routes);
1387         PresentationInfoRouteSorter sorter;
1388
1389         copy.sort (sorter);
1390
1391         {
1392                 Unwinder<bool> uw1 (no_track_list_redisplay, true);
1393                 Unwinder<bool> uw2 (ignore_reorder, true);
1394
1395                 track_model->clear ();
1396                 VCAList vcas = _session->vca_manager().vcas();
1397                 add_masters (vcas);
1398                 add_strips (copy);
1399         }
1400
1401         redisplay_track_list ();
1402 }
1403
1404 void
1405 Mixer_UI::show_track_list_menu ()
1406 {
1407         if (track_menu == 0) {
1408                 build_track_menu ();
1409         }
1410
1411         track_menu->popup (1, gtk_get_current_event_time());
1412 }
1413
1414 bool
1415 Mixer_UI::track_display_button_press (GdkEventButton* ev)
1416 {
1417         if (Keyboard::is_context_menu_event (ev)) {
1418                 show_track_list_menu ();
1419                 return true;
1420         }
1421
1422         return false;
1423 }
1424
1425 void
1426 Mixer_UI::build_track_menu ()
1427 {
1428         using namespace Menu_Helpers;
1429         using namespace Gtk;
1430
1431         track_menu = new Menu;
1432         track_menu->set_name ("ArdourContextMenu");
1433         MenuList& items = track_menu->items();
1434
1435         items.push_back (MenuElem (_("Show All"), sigc::mem_fun(*this, &Mixer_UI::show_all_routes)));
1436         items.push_back (MenuElem (_("Hide All"), sigc::mem_fun(*this, &Mixer_UI::hide_all_routes)));
1437         items.push_back (MenuElem (_("Show All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiotracks)));
1438         items.push_back (MenuElem (_("Hide All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiotracks)));
1439         items.push_back (MenuElem (_("Show All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiobus)));
1440         items.push_back (MenuElem (_("Hide All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiobus)));
1441         items.push_back (MenuElem (_("Show All Midi Tracks"), sigc::mem_fun (*this, &Mixer_UI::show_all_miditracks)));
1442         items.push_back (MenuElem (_("Hide All Midi Tracks"), sigc::mem_fun (*this, &Mixer_UI::hide_all_miditracks)));
1443
1444 }
1445
1446 void
1447 Mixer_UI::strip_property_changed (const PropertyChange& what_changed, MixerStrip* mx)
1448 {
1449         if (!what_changed.contains (ARDOUR::Properties::name)) {
1450                 return;
1451         }
1452
1453         ENSURE_GUI_THREAD (*this, &Mixer_UI::strip_name_changed, what_changed, mx)
1454
1455         TreeModel::Children rows = track_model->children();
1456         TreeModel::Children::iterator i;
1457
1458         for (i = rows.begin(); i != rows.end(); ++i) {
1459                 if ((*i)[track_columns.strip] == mx) {
1460                         (*i)[track_columns.text] = mx->route()->name();
1461                         return;
1462                 }
1463         }
1464
1465         error << _("track display list item for renamed strip not found!") << endmsg;
1466 }
1467
1468 bool
1469 Mixer_UI::group_display_button_press (GdkEventButton* ev)
1470 {
1471         TreeModel::Path path;
1472         TreeViewColumn* column;
1473         int cellx;
1474         int celly;
1475
1476         if (!group_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
1477                 _group_tabs->get_menu(0)->popup (1, ev->time);
1478                 return true;
1479         }
1480
1481         TreeIter iter = group_model->get_iter (path);
1482         if (!iter) {
1483                 _group_tabs->get_menu(0)->popup (1, ev->time);
1484                 return true;
1485         }
1486
1487         RouteGroup* group = (*iter)[group_columns.group];
1488
1489         if (Keyboard::is_context_menu_event (ev)) {
1490                 _group_tabs->get_menu(group)->popup (1, ev->time);
1491                 return true;
1492         }
1493
1494         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
1495         case 0:
1496                 if (Keyboard::is_edit_event (ev)) {
1497                         if (group) {
1498                                 // edit_route_group (group);
1499 #ifdef __APPLE__
1500                                 group_display.queue_draw();
1501 #endif
1502                                 return true;
1503                         }
1504                 }
1505                 break;
1506
1507         case 1:
1508         {
1509                 bool visible = (*iter)[group_columns.visible];
1510                 (*iter)[group_columns.visible] = !visible;
1511 #ifdef __APPLE__
1512                 group_display.queue_draw();
1513 #endif
1514                 return true;
1515         }
1516
1517         default:
1518                 break;
1519         }
1520
1521         return false;
1522  }
1523
1524 void
1525 Mixer_UI::activate_all_route_groups ()
1526 {
1527         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), true));
1528 }
1529
1530 void
1531 Mixer_UI::disable_all_route_groups ()
1532 {
1533         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), false));
1534 }
1535
1536 void
1537 Mixer_UI::route_groups_changed ()
1538 {
1539         ENSURE_GUI_THREAD (*this, &Mixer_UI::route_groups_changed);
1540
1541         _in_group_rebuild_or_clear = true;
1542
1543         /* just rebuild the while thing */
1544
1545         group_model->clear ();
1546
1547 #if 0
1548         /* this is currently not used,
1549          * Mixer_UI::group_display_button_press() has a case for it,
1550          * and a commented edit_route_group() but that's n/a since 2011.
1551          *
1552          * This code is left as reminder that
1553          * row[group_columns.group] = 0 has special meaning.
1554          */
1555         {
1556                 TreeModel::Row row;
1557                 row = *(group_model->append());
1558                 row[group_columns.visible] = true;
1559                 row[group_columns.text] = (_("-all-"));
1560                 row[group_columns.group] = 0;
1561         }
1562 #endif
1563
1564         _session->foreach_route_group (sigc::mem_fun (*this, &Mixer_UI::add_route_group));
1565
1566         _group_tabs->set_dirty ();
1567         _in_group_rebuild_or_clear = false;
1568 }
1569
1570 void
1571 Mixer_UI::new_route_group ()
1572 {
1573         RouteList rl;
1574
1575         _group_tabs->run_new_group_dialog (rl, false);
1576 }
1577
1578 void
1579 Mixer_UI::remove_selected_route_group ()
1580 {
1581         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1582         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
1583
1584         if (rows.empty()) {
1585                 return;
1586         }
1587
1588         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
1589         TreeIter iter;
1590
1591         /* selection mode is single, so rows.begin() is it */
1592
1593         if ((iter = group_model->get_iter (*i))) {
1594
1595                 RouteGroup* rg = (*iter)[group_columns.group];
1596
1597                 if (rg) {
1598                         _session->remove_route_group (*rg);
1599                 }
1600         }
1601 }
1602
1603 void
1604 Mixer_UI::route_group_property_changed (RouteGroup* group, const PropertyChange& change)
1605 {
1606         if (in_group_row_change) {
1607                 return;
1608         }
1609
1610         /* force an update of any mixer strips that are using this group,
1611            otherwise mix group names don't change in mixer strips
1612         */
1613
1614         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
1615                 if ((*i)->route_group() == group) {
1616                         (*i)->route_group_changed();
1617                 }
1618         }
1619
1620         TreeModel::iterator i;
1621         TreeModel::Children rows = group_model->children();
1622         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1623
1624         in_group_row_change = true;
1625
1626         for (i = rows.begin(); i != rows.end(); ++i) {
1627                 if ((*i)[group_columns.group] == group) {
1628                         (*i)[group_columns.visible] = !group->is_hidden ();
1629                         (*i)[group_columns.text] = group->name ();
1630                         break;
1631                 }
1632         }
1633
1634         in_group_row_change = false;
1635
1636         if (change.contains (Properties::name)) {
1637                 _group_tabs->set_dirty ();
1638         }
1639
1640         for (list<MixerStrip*>::iterator j = strips.begin(); j != strips.end(); ++j) {
1641                 if ((*j)->route_group() == group) {
1642                         if (group->is_hidden ()) {
1643                                 hide_strip (*j);
1644                         } else {
1645                                 show_strip (*j);
1646                         }
1647                 }
1648         }
1649 }
1650
1651 void
1652 Mixer_UI::show_mixer_list (bool yn)
1653 {
1654         if (yn) {
1655                 list_vpacker.show ();
1656         } else {
1657                 list_vpacker.hide ();
1658         }
1659
1660         _show_mixer_list = yn;
1661 }
1662
1663 void
1664 Mixer_UI::show_monitor_section (bool yn)
1665 {
1666         if (!monitor_section()) {
1667                 return;
1668         }
1669         if (monitor_section()->tearoff().torn_off()) {
1670                 return;
1671         }
1672
1673         if (yn) {
1674                 monitor_section()->tearoff().show();
1675         } else {
1676                 monitor_section()->tearoff().hide();
1677         }
1678 }
1679
1680 void
1681 Mixer_UI::route_group_name_edit (const std::string& path, const std::string& new_text)
1682 {
1683         RouteGroup* group;
1684         TreeIter iter;
1685
1686         if ((iter = group_model->get_iter (path))) {
1687
1688                 if ((group = (*iter)[group_columns.group]) == 0) {
1689                         return;
1690                 }
1691
1692                 if (new_text != group->name()) {
1693                         group->set_name (new_text);
1694                 }
1695         }
1696 }
1697
1698 void
1699 Mixer_UI::route_group_row_change (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator& iter)
1700 {
1701         RouteGroup* group;
1702
1703         if (in_group_row_change) {
1704                 return;
1705         }
1706
1707         if ((group = (*iter)[group_columns.group]) == 0) {
1708                 return;
1709         }
1710
1711         std::string name = (*iter)[group_columns.text];
1712
1713         if (name != group->name()) {
1714                 group->set_name (name);
1715         }
1716
1717         bool hidden = !(*iter)[group_columns.visible];
1718
1719         if (hidden != group->is_hidden ()) {
1720                 group->set_hidden (hidden, this);
1721         }
1722 }
1723
1724 /** Called when a group model row is deleted, but also when the model is
1725  *  reordered by a user drag-and-drop; the latter is what we are
1726  *  interested in here.
1727  */
1728 void
1729 Mixer_UI::route_group_row_deleted (Gtk::TreeModel::Path const &)
1730 {
1731         if (_in_group_rebuild_or_clear) {
1732                 return;
1733         }
1734
1735         /* Re-write the session's route group list so that the new order is preserved */
1736
1737         list<RouteGroup*> new_list;
1738
1739         Gtk::TreeModel::Children children = group_model->children();
1740         for (Gtk::TreeModel::Children::iterator i = children.begin(); i != children.end(); ++i) {
1741                 RouteGroup* g = (*i)[group_columns.group];
1742                 if (g) {
1743                         new_list.push_back (g);
1744                 }
1745         }
1746
1747         _session->reorder_route_groups (new_list);
1748 }
1749
1750
1751 void
1752 Mixer_UI::add_route_group (RouteGroup* group)
1753 {
1754         ENSURE_GUI_THREAD (*this, &Mixer_UI::add_route_group, group)
1755         bool focus = false;
1756
1757         in_group_row_change = true;
1758
1759         TreeModel::Row row = *(group_model->append());
1760         row[group_columns.visible] = !group->is_hidden ();
1761         row[group_columns.group] = group;
1762         if (!group->name().empty()) {
1763                 row[group_columns.text] = group->name();
1764         } else {
1765                 row[group_columns.text] = _("unnamed");
1766                 focus = true;
1767         }
1768
1769         group->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::route_group_property_changed, this, group, _1), gui_context());
1770
1771         if (focus) {
1772                 TreeViewColumn* col = group_display.get_column (0);
1773                 CellRendererText* name_cell = dynamic_cast<CellRendererText*>(group_display.get_column_cell_renderer (0));
1774                 group_display.set_cursor (group_model->get_path (row), *col, *name_cell, true);
1775         }
1776
1777         _group_tabs->set_dirty ();
1778
1779         in_group_row_change = false;
1780 }
1781
1782 bool
1783 Mixer_UI::strip_scroller_button_release (GdkEventButton* ev)
1784 {
1785         using namespace Menu_Helpers;
1786
1787         if (Keyboard::is_context_menu_event (ev)) {
1788                 ARDOUR_UI::instance()->add_route ();
1789                 return true;
1790         }
1791
1792         return false;
1793 }
1794
1795 void
1796 Mixer_UI::scroller_drag_data_received (const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, const Gtk::SelectionData& data, guint info, guint time)
1797 {
1798         printf ("Mixer_UI::scroller_drag_data_received\n");
1799         if (data.get_target() != "PluginFavoritePtr") {
1800                 context->drag_finish (false, false, time);
1801                 return;
1802         }
1803
1804         const void * d = data.get_data();
1805         const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>* tv = reinterpret_cast<const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>*>(d);
1806
1807         PluginPresetList nfos;
1808         TreeView* source;
1809         tv->get_object_drag_data (nfos, &source);
1810
1811         Route::ProcessorList pl;
1812         bool ok = false;
1813
1814         for (list<PluginPresetPtr>::const_iterator i = nfos.begin(); i != nfos.end(); ++i) {
1815                 PluginPresetPtr ppp = (*i);
1816                 PluginInfoPtr pip = ppp->_pip;
1817                 if (!pip->is_instrument ()) {
1818                         continue;
1819                 }
1820                 ARDOUR_UI::instance()->session_add_midi_track ((RouteGroup*) 0, 1, _("MIDI"), Config->get_strict_io (), pip, ppp->_preset.valid ? &ppp->_preset : 0, PresentationInfo::max_order);
1821                 ok = true;
1822         }
1823
1824         context->drag_finish (ok, false, time);
1825 }
1826
1827 void
1828 Mixer_UI::set_strip_width (Width w, bool save)
1829 {
1830         _strip_width = w;
1831
1832         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1833                 (*i)->set_width_enum (w, save ? (*i)->width_owner() : this);
1834         }
1835 }
1836
1837
1838 struct PluginStateSorter {
1839 public:
1840         bool operator() (PluginInfoPtr a, PluginInfoPtr b) const {
1841                 std::list<std::string>::const_iterator aiter = std::find(_user.begin(), _user.end(), (*a).unique_id);
1842                 std::list<std::string>::const_iterator biter = std::find(_user.begin(), _user.end(), (*b).unique_id);
1843                 if (aiter != _user.end() && biter != _user.end()) {
1844                         return std::distance (_user.begin(), aiter)  < std::distance (_user.begin(), biter);
1845                 }
1846                 if (aiter != _user.end()) {
1847                         return true;
1848                 }
1849                 if (biter != _user.end()) {
1850                         return false;
1851                 }
1852                 return ARDOUR::cmp_nocase((*a).name, (*b).name) == -1;
1853         }
1854
1855         PluginStateSorter(std::list<std::string> user) : _user (user)  {}
1856 private:
1857         std::list<std::string> _user;
1858 };
1859
1860 int
1861 Mixer_UI::set_state (const XMLNode& node, int version)
1862 {
1863         XMLProperty const * prop;
1864         LocaleGuard lg;
1865
1866         Tabbable::set_state (node, version);
1867
1868         if ((prop = node.property ("narrow-strips"))) {
1869                 if (string_is_affirmative (prop->value())) {
1870                         set_strip_width (Narrow);
1871                 } else {
1872                         set_strip_width (Wide);
1873                 }
1874         }
1875
1876         if ((prop = node.property ("show-mixer"))) {
1877                 if (string_is_affirmative (prop->value())) {
1878                        _visible = true;
1879                 }
1880         }
1881
1882         if ((prop = node.property ("maximised"))) {
1883                 bool yn = string_is_affirmative (prop->value());
1884                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleMaximalMixer"));
1885                 assert (act);
1886                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
1887                 bool fs = tact && tact->get_active();
1888                 if (yn ^ fs) {
1889                         ActionManager::do_action ("Common", "ToggleMaximalMixer");
1890                 }
1891         }
1892
1893         if ((prop = node.property ("show-mixer-list"))) {
1894                 bool yn = string_is_affirmative (prop->value());
1895                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleMixerList"));
1896                 assert (act);
1897                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
1898
1899                 /* do it twice to force the change */
1900                 tact->set_active (!yn);
1901                 tact->set_active (yn);
1902         }
1903
1904
1905         XMLNode* plugin_order;
1906         if ((plugin_order = find_named_node (node, "PluginOrder")) != 0) {
1907                 store_current_favorite_order ();
1908                 std::list<string> order;
1909                 const XMLNodeList& kids = plugin_order->children("PluginInfo");
1910                 XMLNodeConstIterator i;
1911                 for (i = kids.begin(); i != kids.end(); ++i) {
1912                         if ((prop = (*i)->property ("unique-id"))) {
1913                                 std::string unique_id = prop->value();
1914                                 order.push_back (unique_id);
1915                                 if ((prop = (*i)->property ("expanded"))) {
1916                                         favorite_ui_state[unique_id] = string_is_affirmative (prop->value());
1917                                 }
1918                         }
1919                 }
1920                 PluginStateSorter cmp (order);
1921                 favorite_order.sort (cmp);
1922                 sync_treeview_from_favorite_order ();
1923         }
1924         return 0;
1925 }
1926
1927 XMLNode&
1928 Mixer_UI::get_state ()
1929 {
1930         XMLNode* node = new XMLNode (X_("Mixer"));
1931         char buf[128];
1932         LocaleGuard lg;
1933
1934         node->add_child_nocopy (Tabbable::get_state());
1935
1936         snprintf(buf,sizeof(buf), "%f", rhs_pane1.get_divider());
1937         node->add_property(X_("mixer-rhs-pane1-pos"), string(buf));
1938         snprintf(buf,sizeof(buf), "%f", rhs_pane2.get_divider());
1939         node->add_property(X_("mixer-rhs_pane2-pos"), string(buf));
1940         snprintf(buf,sizeof(buf), "%f", list_hpane.get_divider());
1941         node->add_property(X_("mixer-list-hpane-pos"), string(buf));
1942         snprintf(buf,sizeof(buf), "%f", inner_pane.get_divider());
1943         node->add_property(X_("mixer-inner-pane-pos"), string(buf));
1944
1945         node->add_property ("narrow-strips", _strip_width == Narrow ? "yes" : "no");
1946         node->add_property ("show-mixer", _visible ? "yes" : "no");
1947         node->add_property ("show-mixer-list", _show_mixer_list ? "yes" : "no");
1948         node->add_property ("maximised", _maximised ? "yes" : "no");
1949
1950         store_current_favorite_order ();
1951         XMLNode* plugin_order = new XMLNode ("PluginOrder");
1952         int cnt = 0;
1953         for (PluginInfoList::const_iterator i = favorite_order.begin(); i != favorite_order.end(); ++i, ++cnt) {
1954                 XMLNode* p = new XMLNode ("PluginInfo");
1955                 p->add_property ("sort", cnt);
1956                 p->add_property ("unique-id", (*i)->unique_id);
1957                 if (favorite_ui_state.find ((*i)->unique_id) != favorite_ui_state.end ()) {
1958                         p->add_property ("expanded", favorite_ui_state[(*i)->unique_id]);
1959                 }
1960                 plugin_order->add_child_nocopy (*p);
1961         }
1962         node->add_child_nocopy (*plugin_order);
1963
1964         return *node;
1965 }
1966
1967 void
1968 Mixer_UI::scroll_left ()
1969 {
1970         if (!scroller.get_hscrollbar()) return;
1971         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
1972         /* stupid GTK: can't rely on clamping across versions */
1973         scroller.get_hscrollbar()->set_value (max (adj->get_lower(), adj->get_value() - adj->get_step_increment()));
1974 }
1975
1976 void
1977 Mixer_UI::scroll_right ()
1978 {
1979         if (!scroller.get_hscrollbar()) return;
1980         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
1981         /* stupid GTK: can't rely on clamping across versions */
1982         scroller.get_hscrollbar()->set_value (min (adj->get_upper(), adj->get_value() + adj->get_step_increment()));
1983 }
1984
1985 bool
1986 Mixer_UI::on_scroll_event (GdkEventScroll* ev)
1987 {
1988         switch (ev->direction) {
1989         case GDK_SCROLL_LEFT:
1990                 scroll_left ();
1991                 return true;
1992         case GDK_SCROLL_UP:
1993                 if (ev->state & Keyboard::TertiaryModifier) {
1994                         scroll_left ();
1995                         return true;
1996                 }
1997                 return false;
1998
1999         case GDK_SCROLL_RIGHT:
2000                 scroll_right ();
2001                 return true;
2002
2003         case GDK_SCROLL_DOWN:
2004                 if (ev->state & Keyboard::TertiaryModifier) {
2005                         scroll_right ();
2006                         return true;
2007                 }
2008                 return false;
2009         }
2010
2011         return false;
2012 }
2013
2014
2015 void
2016 Mixer_UI::parameter_changed (string const & p)
2017 {
2018         if (p == "show-group-tabs") {
2019                 bool const s = _session->config.get_show_group_tabs ();
2020                 if (s) {
2021                         _group_tabs->show ();
2022                 } else {
2023                         _group_tabs->hide ();
2024                 }
2025         } else if (p == "default-narrow_ms") {
2026                 bool const s = UIConfiguration::instance().get_default_narrow_ms ();
2027                 for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
2028                         (*i)->set_width_enum (s ? Narrow : Wide, this);
2029                 }
2030         } else if (p == "use-monitor-bus") {
2031                 if (_session && !_session->monitor_out()) {
2032                         monitor_section_detached ();
2033                 }
2034         }
2035 }
2036
2037 void
2038 Mixer_UI::set_route_group_activation (RouteGroup* g, bool a)
2039 {
2040         g->set_active (a, this);
2041 }
2042
2043 PluginSelector*
2044 Mixer_UI::plugin_selector()
2045 {
2046 #ifdef DEFER_PLUGIN_SELECTOR_LOAD
2047         if (!_plugin_selector)
2048                 _plugin_selector = new PluginSelector (PluginManager::instance());
2049 #endif
2050
2051         return _plugin_selector;
2052 }
2053
2054 void
2055 Mixer_UI::setup_track_display ()
2056 {
2057         track_model = ListStore::create (track_columns);
2058         track_display.set_model (track_model);
2059         track_display.append_column (_("Strips"), track_columns.text);
2060         track_display.append_column (_("Show"), track_columns.visible);
2061         track_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
2062         track_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
2063         track_display.get_column (0)->set_expand(true);
2064         track_display.get_column (1)->set_expand(false);
2065         track_display.get_column (0)->set_sizing (Gtk::TREE_VIEW_COLUMN_FIXED);
2066         track_display.set_name (X_("EditGroupList"));
2067         track_display.get_selection()->set_mode (Gtk::SELECTION_NONE);
2068         track_display.set_reorderable (true);
2069         track_display.set_headers_visible (true);
2070         track_display.set_can_focus(false);
2071
2072         track_model->signal_row_deleted().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_delete));
2073         track_model->signal_rows_reordered().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_reorder));
2074
2075         CellRendererToggle* track_list_visible_cell = dynamic_cast<CellRendererToggle*>(track_display.get_column_cell_renderer (1));
2076         track_list_visible_cell->property_activatable() = true;
2077         track_list_visible_cell->property_radio() = false;
2078         track_list_visible_cell->signal_toggled().connect (sigc::mem_fun (*this, &Mixer_UI::track_visibility_changed));
2079
2080         track_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::track_display_button_press), false);
2081
2082         track_display_scroller.add (track_display);
2083         track_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
2084
2085         VBox* v = manage (new VBox);
2086         v->show ();
2087         v->pack_start (track_display_scroller, true, true);
2088
2089         Button* b = manage (new Button);
2090         b->show ();
2091         Widget* w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
2092         w->show ();
2093         b->add (*w);
2094
2095         b->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::new_track_or_bus));
2096
2097         v->pack_start (*b, false, false);
2098
2099         track_display_frame.set_name("BaseFrame");
2100         track_display_frame.set_shadow_type (Gtk::SHADOW_IN);
2101         track_display_frame.add (*v);
2102
2103         track_display_scroller.show();
2104         track_display_frame.show();
2105         track_display.show();
2106 }
2107
2108 void
2109 Mixer_UI::new_track_or_bus ()
2110 {
2111         ARDOUR_UI::instance()->add_route ();
2112 }
2113
2114 void
2115 Mixer_UI::update_title ()
2116 {
2117         if (!own_window()) {
2118                 return;
2119         }
2120
2121         if (_session) {
2122                 string n;
2123
2124                 if (_session->snap_name() != _session->name()) {
2125                         n = _session->snap_name ();
2126                 } else {
2127                         n = _session->name ();
2128                 }
2129
2130                 if (_session->dirty ()) {
2131                         n = "*" + n;
2132                 }
2133
2134                 WindowTitle title (n);
2135                 title += S_("Window|Mixer");
2136                 title += Glib::get_application_name ();
2137                 own_window()->set_title (title.get_string());
2138
2139         } else {
2140
2141                 WindowTitle title (S_("Window|Mixer"));
2142                 title += Glib::get_application_name ();
2143                 own_window()->set_title (title.get_string());
2144         }
2145 }
2146
2147 MixerStrip*
2148 Mixer_UI::strip_by_x (int x)
2149 {
2150         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
2151                 int x1, x2, y;
2152
2153                 (*i)->translate_coordinates (_content, 0, 0, x1, y);
2154                 x2 = x1 + (*i)->get_width();
2155
2156                 if (x >= x1 && x <= x2) {
2157                         return (*i);
2158                 }
2159         }
2160
2161         return 0;
2162 }
2163
2164 void
2165 Mixer_UI::set_route_targets_for_operation ()
2166 {
2167         _route_targets.clear ();
2168
2169         if (!_selection.empty()) {
2170                 _route_targets = _selection.routes;
2171                 return;
2172         }
2173
2174 //  removed "implicit" selections of strips, after discussion on IRC
2175
2176 }
2177
2178 void
2179 Mixer_UI::monitor_section_going_away ()
2180 {
2181         if (_monitor_section) {
2182                 monitor_section_detached ();
2183                 out_packer.remove (_monitor_section->tearoff());
2184                 _monitor_section->set_session (0);
2185                 delete _monitor_section;
2186                 _monitor_section = 0;
2187         }
2188 }
2189
2190 void
2191 Mixer_UI::toggle_midi_input_active (bool flip_others)
2192 {
2193         boost::shared_ptr<RouteList> rl (new RouteList);
2194         bool onoff = false;
2195
2196         set_route_targets_for_operation ();
2197
2198         for (RouteUISelection::iterator r = _route_targets.begin(); r != _route_targets.end(); ++r) {
2199                 boost::shared_ptr<MidiTrack> mt = (*r)->midi_track();
2200
2201                 if (mt) {
2202                         rl->push_back ((*r)->route());
2203                         onoff = !mt->input_active();
2204                 }
2205         }
2206
2207         _session->set_exclusive_input_active (rl, onoff, flip_others);
2208 }
2209
2210 void
2211 Mixer_UI::maximise_mixer_space ()
2212 {
2213         if (!own_window()) {
2214                 return;
2215         }
2216
2217         if (_maximised) {
2218                 return;
2219         }
2220
2221         _window->fullscreen ();
2222         _maximised = true;
2223 }
2224
2225 void
2226 Mixer_UI::restore_mixer_space ()
2227 {
2228         if (!own_window()) {
2229                 return;
2230         }
2231
2232         if (!_maximised) {
2233                 return;
2234         }
2235
2236         own_window()->unfullscreen();
2237         _maximised = false;
2238 }
2239
2240 void
2241 Mixer_UI::monitor_section_attached ()
2242 {
2243         Glib::RefPtr<Action> act = ActionManager::get_action ("Common", "ToggleMonitorSection");
2244         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2245         act->set_sensitive (true);
2246         tact->set_active ();
2247 }
2248
2249 void
2250 Mixer_UI::monitor_section_detached ()
2251 {
2252         Glib::RefPtr<Action> act = ActionManager::get_action ("Common", "ToggleMonitorSection");
2253         act->set_sensitive (false);
2254 }
2255
2256 void
2257 Mixer_UI::store_current_favorite_order ()
2258 {
2259         typedef Gtk::TreeModel::Children type_children;
2260         type_children children = favorite_plugins_model->children();
2261         favorite_order.clear();
2262         for(type_children::iterator iter = children.begin(); iter != children.end(); ++iter)
2263         {
2264                 Gtk::TreeModel::Row row = *iter;
2265                 ARDOUR::PluginPresetPtr ppp = row[favorite_plugins_columns.plugin];
2266                 favorite_order.push_back (ppp->_pip);
2267                 std::string name = row[favorite_plugins_columns.name];
2268                 favorite_ui_state[(*ppp->_pip).unique_id] = favorite_plugins_display.row_expanded (favorite_plugins_model->get_path(iter));
2269         }
2270 }
2271
2272 void
2273 Mixer_UI::save_favorite_ui_state (const TreeModel::iterator& iter, const TreeModel::Path& path)
2274 {
2275         Gtk::TreeModel::Row row = *iter;
2276         ARDOUR::PluginPresetPtr ppp = row[favorite_plugins_columns.plugin];
2277         assert (ppp);
2278         favorite_ui_state[(*ppp->_pip).unique_id] = favorite_plugins_display.row_expanded (favorite_plugins_model->get_path(iter));
2279 }
2280
2281 void
2282 Mixer_UI::refiller (PluginInfoList& result, const PluginInfoList& plugs)
2283 {
2284         PluginManager& manager (PluginManager::instance());
2285         for (PluginInfoList::const_iterator i = plugs.begin(); i != plugs.end(); ++i) {
2286                 if (manager.get_status (*i) != PluginManager::Favorite) {
2287                         continue;
2288                 }
2289                 result.push_back (*i);
2290         }
2291 }
2292
2293 struct PluginCustomSorter {
2294 public:
2295         bool operator() (PluginInfoPtr a, PluginInfoPtr b) const {
2296                 PluginInfoList::const_iterator aiter = _user.begin();
2297                 PluginInfoList::const_iterator biter = _user.begin();
2298                 while (aiter != _user.end()) { if ((*aiter)->unique_id == a->unique_id) { break; } ++aiter; }
2299                 while (biter != _user.end()) { if ((*biter)->unique_id == b->unique_id) { break; } ++biter; }
2300
2301                 if (aiter != _user.end() && biter != _user.end()) {
2302                         return std::distance (_user.begin(), aiter) < std::distance (_user.begin(), biter);
2303                 }
2304                 if (aiter != _user.end()) {
2305                         return true;
2306                 }
2307                 if (biter != _user.end()) {
2308                         return false;
2309                 }
2310                 return ARDOUR::cmp_nocase((*a).name, (*b).name) == -1;
2311         }
2312         PluginCustomSorter(PluginInfoList user) : _user (user)  {}
2313 private:
2314         PluginInfoList _user;
2315 };
2316
2317 void
2318 Mixer_UI::refill_favorite_plugins ()
2319 {
2320         PluginInfoList plugs;
2321         PluginManager& mgr (PluginManager::instance());
2322
2323 #ifdef LV2_SUPPORT
2324         refiller (plugs, mgr.lv2_plugin_info ());
2325 #endif
2326 #ifdef WINDOWS_VST_SUPPORT
2327         refiller (plugs, mgr.windows_vst_plugin_info ());
2328 #endif
2329 #ifdef LXVST_SUPPORT
2330         refiller (plugs, mgr.lxvst_plugin_info ());
2331 #endif
2332 #ifdef AUDIOUNIT_SUPPORT
2333         refiller (plugs, mgr.au_plugin_info ());
2334 #endif
2335         refiller (plugs, mgr.ladspa_plugin_info ());
2336         refiller (plugs, mgr.lua_plugin_info ());
2337
2338         store_current_favorite_order ();
2339
2340         PluginCustomSorter cmp (favorite_order);
2341         plugs.sort (cmp);
2342
2343         favorite_order = plugs;
2344
2345         sync_treeview_from_favorite_order ();
2346 }
2347
2348 void
2349 Mixer_UI::sync_treeview_favorite_ui_state (const TreeModel::Path& path, const TreeModel::iterator&)
2350 {
2351         TreeIter iter;
2352         if (!(iter = favorite_plugins_model->get_iter (path))) {
2353                 return;
2354         }
2355         ARDOUR::PluginPresetPtr ppp = (*iter)[favorite_plugins_columns.plugin];
2356         if (!ppp) {
2357                 return;
2358         }
2359         PluginInfoPtr pip = ppp->_pip;
2360         if (favorite_ui_state.find (pip->unique_id) != favorite_ui_state.end ()) {
2361                 if (favorite_ui_state[pip->unique_id]) {
2362                         favorite_plugins_display.expand_row (path, true);
2363                 }
2364         }
2365 }
2366
2367 void
2368 Mixer_UI::sync_treeview_from_favorite_order ()
2369 {
2370         favorite_plugins_model->clear ();
2371         for (PluginInfoList::const_iterator i = favorite_order.begin(); i != favorite_order.end(); ++i) {
2372                 PluginInfoPtr pip = (*i);
2373
2374                 TreeModel::Row newrow = *(favorite_plugins_model->append());
2375                 newrow[favorite_plugins_columns.name] = (*i)->name;
2376                 newrow[favorite_plugins_columns.plugin] = PluginPresetPtr (new PluginPreset(pip));
2377                 if (!_session) {
2378                         continue;
2379                 }
2380
2381                 vector<ARDOUR::Plugin::PresetRecord> presets = (*i)->get_presets (true);
2382                 for (vector<ARDOUR::Plugin::PresetRecord>::const_iterator j = presets.begin(); j != presets.end(); ++j) {
2383                         Gtk::TreeModel::Row child_row = *(favorite_plugins_model->append (newrow.children()));
2384                         child_row[favorite_plugins_columns.name] = (*j).label;
2385                         child_row[favorite_plugins_columns.plugin] = PluginPresetPtr (new PluginPreset(pip, &(*j)));
2386                 }
2387                 if (favorite_ui_state.find (pip->unique_id) != favorite_ui_state.end ()) {
2388                         if (favorite_ui_state[pip->unique_id]) {
2389                                 favorite_plugins_display.expand_row (favorite_plugins_model->get_path(newrow), true);
2390                         }
2391                 }
2392         }
2393 }
2394
2395 void
2396 Mixer_UI::popup_note_context_menu (GdkEventButton *ev)
2397 {
2398         using namespace Gtk::Menu_Helpers;
2399
2400         Gtk::Menu* m = manage (new Menu);
2401         MenuList& items = m->items ();
2402
2403         if (_selection.routes.empty()) {
2404                 items.push_back (MenuElem (_("No Track/Bus is selected.")));
2405         } else {
2406                 items.push_back (MenuElem (_("Add at the top"),
2407                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddTop)));
2408                 items.push_back (MenuElem (_("Add Pre-Fader"),
2409                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddPreFader)));
2410                 items.push_back (MenuElem (_("Add Post-Fader"),
2411                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddPostFader)));
2412                 items.push_back (MenuElem (_("Add at the end"),
2413                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddBottom)));
2414         }
2415
2416         items.push_back (SeparatorElem());
2417
2418         items.push_back (MenuElem (_("Remove from favorites"), sigc::mem_fun (*this, &Mixer_UI::remove_selected_from_favorites)));
2419
2420         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2421         if (ppp && ppp->_preset.valid && ppp->_preset.user) {
2422                 // we cannot currently delete AU presets
2423                 if (!ppp->_pip || ppp->_pip->type != AudioUnit) {
2424                         items.push_back (MenuElem (_("Delete Preset"), sigc::mem_fun (*this, &Mixer_UI::delete_selected_preset)));
2425                 }
2426         }
2427
2428         m->popup (ev->button, ev->time);
2429 }
2430
2431 bool
2432 Mixer_UI::plugin_row_button_press (GdkEventButton *ev)
2433 {
2434         if ((ev->type == GDK_BUTTON_PRESS) && (ev->button == 3) ) {
2435                 TreeModel::Path path;
2436                 TreeViewColumn* column;
2437                 int cellx, celly;
2438                 if (favorite_plugins_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
2439                         Glib::RefPtr<Gtk::TreeView::Selection> selection = favorite_plugins_display.get_selection();
2440                         if (selection) {
2441                                 selection->unselect_all();
2442                                 selection->select(path);
2443                         }
2444                 }
2445                 ARDOUR::PluginPresetPtr ppp = selected_plugin();
2446                 if (ppp) {
2447                         popup_note_context_menu (ev);
2448                 }
2449         }
2450         return false;
2451 }
2452
2453
2454 PluginPresetPtr
2455 Mixer_UI::selected_plugin ()
2456 {
2457         Glib::RefPtr<Gtk::TreeView::Selection> selection = favorite_plugins_display.get_selection();
2458         if (!selection) {
2459                 return PluginPresetPtr();
2460         }
2461         Gtk::TreeModel::iterator iter = selection->get_selected();
2462         if (!iter) {
2463                 return PluginPresetPtr();
2464         }
2465         return (*iter)[favorite_plugins_columns.plugin];
2466 }
2467
2468 void
2469 Mixer_UI::add_selected_processor (ProcessorPosition pos)
2470 {
2471         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2472         if (ppp) {
2473                 add_favorite_processor (ppp, pos);
2474         }
2475 }
2476
2477 void
2478 Mixer_UI::delete_selected_preset ()
2479 {
2480         if (!_session) {
2481                 return;
2482         }
2483         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2484         if (!ppp || !ppp->_preset.valid || !ppp->_preset.user) {
2485                 return;
2486         }
2487         PluginPtr plugin = ppp->_pip->load (*_session);
2488         plugin->get_presets();
2489         plugin->remove_preset (ppp->_preset.label);
2490 }
2491
2492 void
2493 Mixer_UI::remove_selected_from_favorites ()
2494 {
2495         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2496         if (!ppp) {
2497                 return;
2498         }
2499         PluginManager::PluginStatusType status = PluginManager::Normal;
2500         PluginManager& manager (PluginManager::instance());
2501
2502         manager.set_status (ppp->_pip->type, ppp->_pip->unique_id, status);
2503         manager.save_statuses ();
2504 }
2505
2506 void
2507 Mixer_UI::plugin_row_activated (const TreeModel::Path& path, TreeViewColumn* column)
2508 {
2509         TreeIter iter;
2510         if (!(iter = favorite_plugins_model->get_iter (path))) {
2511                 return;
2512         }
2513         ARDOUR::PluginPresetPtr ppp = (*iter)[favorite_plugins_columns.plugin];
2514         add_favorite_processor (ppp, AddPreFader); // TODO: preference?!
2515 }
2516
2517 void
2518 Mixer_UI::add_favorite_processor (ARDOUR::PluginPresetPtr ppp, ProcessorPosition pos)
2519 {
2520         if (!_session || _selection.routes.empty()) {
2521                 return;
2522         }
2523
2524         PluginInfoPtr pip = ppp->_pip;
2525         for (RouteUISelection::iterator i = _selection.routes.begin(); i != _selection.routes.end(); ++i) {
2526                 boost::shared_ptr<ARDOUR::Route> rt = (*i)->route();
2527                 if (!rt) { continue; }
2528
2529                 PluginPtr p = pip->load (*_session);
2530                 if (!p) { continue; }
2531
2532                 if (ppp->_preset.valid) {
2533                         p->load_preset (ppp->_preset);
2534                 }
2535
2536                 Route::ProcessorStreams err;
2537                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
2538
2539                 switch (pos) {
2540                         case AddTop:
2541                                 rt->add_processor_by_index (processor, 0, &err, Config->get_new_plugins_active ());
2542                                 break;
2543                         case AddPreFader:
2544                                 rt->add_processor (processor, PreFader, &err, Config->get_new_plugins_active ());
2545                                 break;
2546                         case AddPostFader:
2547                                 {
2548                                         int idx = 0;
2549                                         int pos = 0;
2550                                         for (;;++idx) {
2551                                                 boost::shared_ptr<Processor> np = rt->nth_processor (idx);
2552                                                 if (!np) {
2553                                                         break;
2554                                                 }
2555                                                 if (!np->display_to_user()) {
2556                                                         continue;
2557                                                 }
2558                                                 if (boost::dynamic_pointer_cast<Amp> (np) && // Fader, not Trim
2559                                                                 boost::dynamic_pointer_cast<Amp> (np)->gain_control()->parameter().type() == GainAutomation) {
2560                                                         break;
2561                                                 }
2562                                                 ++pos;
2563                                         }
2564                                         rt->add_processor_by_index (processor, ++pos, &err, Config->get_new_plugins_active ());
2565                                 }
2566                                 break;
2567                         case AddBottom:
2568                                 rt->add_processor_by_index (processor, -1, &err, Config->get_new_plugins_active ());
2569                                 break;
2570                 }
2571         }
2572 }
2573
2574 bool
2575 PluginTreeStore::row_drop_possible_vfunc(const Gtk::TreeModel::Path& dest, const Gtk::SelectionData& data) const
2576 {
2577         if (data.get_target() != "GTK_TREE_MODEL_ROW") {
2578                 return false;
2579         }
2580
2581         // only allow to re-order top-level items
2582         TreePath src;
2583         if (TreePath::get_from_selection_data (data, src)) {
2584                 if (src.up() && src.up()) {
2585                         return false;
2586                 }
2587         }
2588
2589         // don't allow to drop as child-rows.
2590         Gtk::TreeModel::Path _dest = dest; // un const
2591         const bool is_child = _dest.up (); // explicit bool for clang
2592         if (!is_child || _dest.empty ()) {
2593                 return true;
2594         }
2595         return false;
2596 }
2597
2598 void
2599 Mixer_UI::plugin_drop (const Glib::RefPtr<Gdk::DragContext>&, const Gtk::SelectionData& data)
2600 {
2601         if (data.get_target() != "PluginPresetPtr") {
2602                 return;
2603         }
2604         if (data.get_length() != sizeof (PluginPresetPtr)) {
2605                 return;
2606         }
2607         const void *d = data.get_data();
2608         const PluginPresetPtr ppp = *(static_cast<const PluginPresetPtr*> (d));
2609
2610         PluginManager::PluginStatusType status = PluginManager::Favorite;
2611         PluginManager& manager (PluginManager::instance());
2612
2613         manager.set_status (ppp->_pip->type, ppp->_pip->unique_id, status);
2614         manager.save_statuses ();
2615 }
2616
2617 void
2618 Mixer_UI::do_vca_assign (boost::shared_ptr<VCA> vca)
2619 {
2620         /* call protected MixerActor:: method */
2621         vca_assign (vca);
2622 }
2623
2624 void
2625 Mixer_UI::do_vca_unassign (boost::shared_ptr<VCA> vca)
2626 {
2627         /* call protected MixerActor:: method */
2628         vca_unassign (vca);
2629 }
2630
2631 void
2632 Mixer_UI::show_vca_slaves (boost::shared_ptr<VCA> vca)
2633 {
2634         boost::shared_ptr<VCA> v = spilled_vca.lock();
2635         if (v != vca) {
2636                 spilled_vca = vca;
2637                 show_vca_change (vca); /* EMIT SIGNAL */
2638                 redisplay_track_list ();
2639         }
2640 }
2641
2642 bool
2643 Mixer_UI::showing_vca_slaves_for (boost::shared_ptr<VCA> vca) const
2644 {
2645        return vca == spilled_vca.lock();
2646 }