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 <boost/foreach.hpp>
  29
  30 #include <gtkmm/accelmap.h>
  31
  32 #include "pbd/convert.h"
  33 #include "pbd/stacktrace.h"
  34 #include "pbd/unwind.h"
  35
  36 #include <glibmm/threads.h>
  37
  38 #include <gtkmm2ext/gtk_ui.h>
  39 #include <gtkmm2ext/keyboard.h>
  40 #include <gtkmm2ext/utils.h>
  41 #include <gtkmm2ext/tearoff.h>
  42 #include <gtkmm2ext/window_title.h>
  43 #include <gtkmm2ext/doi.h>
  44
  45 #include "ardour/amp.h"
  46 #include "ardour/debug.h"
  47 #include "ardour/audio_track.h"
  48 #include "ardour/midi_track.h"
  49 #include "ardour/plugin_manager.h"
  50 #include "ardour/route_group.h"
  51 #include "ardour/session.h"
  52 #include "ardour/vca.h"
  53 #include "ardour/vca_manager.h"
  54
  55 #include "keyboard.h"
  56 #include "mixer_ui.h"
  57 #include "mixer_strip.h"
  58 #include "monitor_section.h"
  59 #include "plugin_selector.h"
  60 #include "public_editor.h"
  61 #include "mouse_cursors.h"
  62 #include "ardour_ui.h"
  63 #include "prompter.h"
  64 #include "utils.h"
  65 #include "route_sorter.h"
  66 #include "actions.h"
  67 #include "gui_thread.h"
  68 #include "mixer_group_tabs.h"
  69 #include "route_sorter.h"
  70 #include "timers.h"
  71 #include "ui_config.h"
  72 #include "vca_master_strip.h"
  73
  74 #include "pbd/i18n.h"
  75
  76 using namespace ARDOUR;
  77 using namespace ARDOUR_UI_UTILS;
  78 using namespace PBD;
  79 using namespace Gtk;
  80 using namespace Glib;
  81 using namespace Gtkmm2ext;
  82 using namespace std;
  83
  84 using PBD::atoi;
  85 using PBD::Unwinder;
  86
  87 Mixer_UI* Mixer_UI::_instance = 0;
  88
  89 Mixer_UI*
  90 Mixer_UI::instance ()
  91 {
  92         if (!_instance) {
  93                 _instance  = new Mixer_UI;
  94         }
  95
  96         return _instance;
  97 }
  98
  99 Mixer_UI::Mixer_UI ()
 100         : Tabbable (_content, _("Mixer"))
 101         , no_track_list_redisplay (false)
 102         , in_group_row_change (false)
 103         , track_menu (0)
 104         , _monitor_section (0)
 105         , _plugin_selector (0)
 106         , _strip_width (UIConfiguration::instance().get_default_narrow_ms() ? Narrow : Wide)
 107         , ignore_reorder (false)
 108         , _in_group_rebuild_or_clear (false)
 109         , _route_deletion_in_progress (false)
 110         , _following_editor_selection (false)
 111         , _maximised (false)
 112         , _show_mixer_list (true)
 113         , myactions (X_("mixer"))
 114 {
 115         register_actions ();
 116         load_bindings ();
 117         _content.set_data ("ardour-bindings", bindings);
 118
 119         PresentationInfo::Change.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::sync_treeview_from_presentation_info, this), gui_context());
 120
 121         scroller.set_can_default (true);
 122         // set_default (scroller);
 123
 124         scroller_base.set_flags (Gtk::CAN_FOCUS);
 125         scroller_base.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 126         scroller_base.set_name ("MixerWindow");
 127         scroller_base.signal_button_release_event().connect (sigc::mem_fun(*this, &Mixer_UI::strip_scroller_button_release));
 128
 129         /* set up drag-n-drop */
 130         vector<TargetEntry> target_table;
 131         target_table.push_back (TargetEntry ("PluginFavoritePtr"));
 132         scroller_base.drag_dest_set (target_table);
 133         scroller_base.signal_drag_data_received().connect (sigc::mem_fun(*this, &Mixer_UI::scroller_drag_data_received));
 134
 135         // add as last item of strip packer
 136         strip_packer.pack_end (scroller_base, true, true);
 137
 138         _group_tabs = new MixerGroupTabs (this);
 139         VBox* b = manage (new VBox);
 140         b->set_spacing (0);
 141         b->set_border_width (0);
 142         b->pack_start (*_group_tabs, PACK_SHRINK);
 143         b->pack_start (strip_packer);
 144         b->show_all ();
 145
 146         scroller.add (*b);
 147         scroller.set_policy (Gtk::POLICY_ALWAYS, Gtk::POLICY_AUTOMATIC);
 148
 149         setup_track_display ();
 150
 151         group_model = ListStore::create (group_columns);
 152         group_display.set_model (group_model);
 153         group_display.append_column (_("Show"), group_columns.visible);
 154         group_display.append_column (_("Group"), group_columns.text);
 155         group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 156         group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 157         group_display.get_column (0)->set_expand(false);
 158         group_display.get_column (1)->set_expand(true);
 159         group_display.get_column (1)->set_sizing (Gtk::TREE_VIEW_COLUMN_FIXED);
 160         group_display.set_name ("EditGroupList");
 161         group_display.get_selection()->set_mode (Gtk::SELECTION_SINGLE);
 162         group_display.set_reorderable (true);
 163         group_display.set_headers_visible (true);
 164         group_display.set_rules_hint (true);
 165         group_display.set_can_focus(false);
 166
 167         /* name is directly editable */
 168
 169         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(group_display.get_column_cell_renderer (1));
 170         name_cell->property_editable() = true;
 171         name_cell->signal_edited().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_name_edit));
 172
 173         /* use checkbox for the active column */
 174
 175         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(group_display.get_column_cell_renderer (0));
 176         active_cell->property_activatable() = true;
 177         active_cell->property_radio() = false;
 178
 179         group_model->signal_row_changed().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_row_change));
 180         /* We use this to notice drag-and-drop reorders of the group list */
 181         group_model->signal_row_deleted().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_row_deleted));
 182         group_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::group_display_button_press), false);
 183
 184         group_display_scroller.add (group_display);
 185         group_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 186
 187         HBox* route_group_display_button_box = manage (new HBox());
 188
 189         Button* route_group_add_button = manage (new Button ());
 190         Button* route_group_remove_button = manage (new Button ());
 191
 192         Widget* w;
 193
 194         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 195         w->show();
 196         route_group_add_button->add (*w);
 197
 198         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 199         w->show();
 200         route_group_remove_button->add (*w);
 201
 202         route_group_display_button_box->set_homogeneous (true);
 203
 204         route_group_add_button->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::new_route_group));
 205         route_group_remove_button->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::remove_selected_route_group));
 206
 207         route_group_display_button_box->add (*route_group_add_button);
 208         route_group_display_button_box->add (*route_group_remove_button);
 209
 210         group_display_vbox.pack_start (group_display_scroller, true, true);
 211         group_display_vbox.pack_start (*route_group_display_button_box, false, false);
 212
 213         group_display_frame.set_name ("BaseFrame");
 214         group_display_frame.set_shadow_type (Gtk::SHADOW_IN);
 215         group_display_frame.add (group_display_vbox);
 216
 217
 218         list<TargetEntry> target_list;
 219         target_list.push_back (TargetEntry ("PluginPresetPtr"));
 220
 221         favorite_plugins_model = PluginTreeStore::create (favorite_plugins_columns);
 222         favorite_plugins_display.set_model (favorite_plugins_model);
 223         favorite_plugins_display.append_column (_("Favorite Plugins"), favorite_plugins_columns.name);
 224         favorite_plugins_display.set_name ("EditGroupList");
 225         favorite_plugins_display.get_selection()->set_mode (Gtk::SELECTION_SINGLE);
 226         favorite_plugins_display.set_reorderable (false);
 227         favorite_plugins_display.set_headers_visible (true);
 228         favorite_plugins_display.set_rules_hint (true);
 229         favorite_plugins_display.set_can_focus (false);
 230         favorite_plugins_display.set_tooltip_column (0);
 231         favorite_plugins_display.add_object_drag (favorite_plugins_columns.plugin.index(), "PluginFavoritePtr");
 232         favorite_plugins_display.set_drag_column (favorite_plugins_columns.name.index());
 233         favorite_plugins_display.add_drop_targets (target_list);
 234         favorite_plugins_display.signal_row_activated().connect (sigc::mem_fun (*this, &Mixer_UI::plugin_row_activated));
 235         favorite_plugins_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::plugin_row_button_press), false);
 236         favorite_plugins_display.signal_drop.connect (sigc::mem_fun (*this, &Mixer_UI::plugin_drop));
 237         favorite_plugins_display.signal_row_expanded().connect (sigc::mem_fun (*this, &Mixer_UI::save_favorite_ui_state));
 238         favorite_plugins_display.signal_row_collapsed().connect (sigc::mem_fun (*this, &Mixer_UI::save_favorite_ui_state));
 239         favorite_plugins_model->signal_row_has_child_toggled().connect (sigc::mem_fun (*this, &Mixer_UI::sync_treeview_favorite_ui_state));
 240
 241         favorite_plugins_scroller.add (favorite_plugins_display);
 242         favorite_plugins_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 243
 244         favorite_plugins_frame.set_name ("BaseFrame");
 245         favorite_plugins_frame.set_shadow_type (Gtk::SHADOW_IN);
 246         favorite_plugins_frame.add (favorite_plugins_scroller);
 247
 248         rhs_pane1.add (favorite_plugins_frame);
 249         rhs_pane1.add (track_display_frame);
 250
 251         rhs_pane2.add (rhs_pane1);
 252         rhs_pane2.add (group_display_frame);
 253
 254         list_vpacker.pack_start (rhs_pane2, true, true);
 255
 256         string vca_text = _("Control Masters");
 257         vca_label.set_text (vca_text);
 258         vca_label_bar.set_size_request (-1, 16 + 1); /* must match height in GroupTabs::set_size_request()  + 1 border px*/
 259
 260 #ifndef MIXBUS
 261         vca_label_bar.set_name (X_("VCALabelBar"));
 262         vca_label_bar.add (vca_label);
 263 #endif
 264
 265         vca_vpacker.pack_start (vca_label_bar, false, false);
 266
 267         vca_scroller_base.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 268         vca_scroller_base.set_name (X_("MixerWindow"));
 269         vca_scroller_base.signal_button_release_event().connect (sigc::mem_fun(*this, &Mixer_UI::masters_scroller_button_release), false);
 270         vca_hpacker.pack_end (vca_scroller_base, true, true);
 271
 272         vca_scroller.add (vca_hpacker);
 273         vca_scroller.set_policy (Gtk::POLICY_ALWAYS, Gtk::POLICY_AUTOMATIC);
 274         vca_scroller.signal_button_release_event().connect (sigc::mem_fun(*this, &Mixer_UI::strip_scroller_button_release));
 275
 276         vca_vpacker.pack_start (vca_scroller, true, true);
 277
 278         inner_pane.add (scroller);
 279         inner_pane.add (vca_vpacker);
 280
 281         global_hpacker.pack_start (inner_pane, true, true);
 282         global_hpacker.pack_start (out_packer, false, false);
 283
 284         list_hpane.set_check_divider_position (true);
 285         list_hpane.add (list_vpacker);
 286         list_hpane.add (global_hpacker);
 287
 288
 289         XMLNode const * settings = ARDOUR_UI::instance()->mixer_settings();
 290         XMLProperty const * prop;
 291         float fract;
 292
 293         {
 294                 LocaleGuard lg;
 295
 296                 if (!settings || ((prop = settings->property ("mixer-rhs-pane1-pos")) == 0) || ((fract = atof (prop->value())) > 1.0)) {
 297                         rhs_pane1.set_divider (0, 0.6f);
 298                 } else {
 299                         rhs_pane1.set_divider (0, fract);
 300                 }
 301                 if (!settings || ((prop = settings->property ("mixer-rhs-pane2-pos")) == 0) || ((fract = atof (prop->value())) > 1.0)) {
 302                         rhs_pane2.set_divider (0, 0.7f);
 303                 } else {
 304                         rhs_pane2.set_divider (0, fract);
 305                 }
 306                 if (!settings || ((prop = settings->property ("mixer-list-hpane-pos")) == 0) || ((fract = atof (prop->value())) > 1.0)) {
 307                         list_hpane.set_divider (0, 0.2f);
 308                 } else {
 309                         list_hpane.set_divider (0, fract);
 310                 }
 311                 if (!settings || ((prop = settings->property ("mixer-inner-pane-pos")) == 0)  || ((fract = atof (prop->value())) > 1.0)) {
 312                         inner_pane.set_divider (0, 0.8f);
 313                 } else {
 314                         inner_pane.set_divider (0, atof (prop->value()));
 315                 }
 316         }
 317
 318         rhs_pane1.set_drag_cursor (*PublicEditor::instance().cursors()->expand_up_down);
 319         rhs_pane2.set_drag_cursor (*PublicEditor::instance().cursors()->expand_up_down);
 320         list_hpane.set_drag_cursor (*PublicEditor::instance().cursors()->expand_left_right);
 321         inner_pane.set_drag_cursor (*PublicEditor::instance().cursors()->expand_left_right);
 322
 323         _content.pack_start (list_hpane, true, true);
 324
 325         update_title ();
 326
 327         route_group_display_button_box->show();
 328         route_group_add_button->show();
 329         route_group_remove_button->show();
 330
 331         _content.show ();
 332         _content.set_name ("MixerWindow");
 333
 334         global_hpacker.show();
 335         scroller.show();
 336         scroller_base.show();
 337         scroller_hpacker.show();
 338         mixer_scroller_vpacker.show();
 339         list_vpacker.show();
 340         group_display_button_label.show();
 341         group_display_button.show();
 342         group_display_scroller.show();
 343         favorite_plugins_scroller.show();
 344         group_display_vbox.show();
 345         group_display_frame.show();
 346         favorite_plugins_frame.show();
 347         rhs_pane1.show();
 348         rhs_pane2.show();
 349         strip_packer.show();
 350         inner_pane.show();
 351         vca_scroller.show();
 352         vca_vpacker.show();
 353         vca_hpacker.show();
 354         vca_label_bar.show();
 355         vca_label.show();
 356         vca_scroller_base.show();
 357         out_packer.show();
 358         list_hpane.show();
 359         group_display.show();
 360         favorite_plugins_display.show();
 361
 362         MixerStrip::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::remove_strip, this, _1), gui_context());
 363
 364         /* handle escape */
 365
 366         ARDOUR_UI::instance()->Escape.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::escape, this), gui_context());
 367
 368 #ifndef DEFER_PLUGIN_SELECTOR_LOAD
 369         _plugin_selector = new PluginSelector (PluginManager::instance ());
 370 #else
 371 #error implement deferred Plugin-Favorite list
 372 #endif
 373         PluginManager::instance ().PluginListChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::refill_favorite_plugins, this), gui_context());
 374         PluginManager::instance ().PluginStatusesChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::refill_favorite_plugins, this), gui_context());
 375         ARDOUR::Plugin::PresetsChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::refill_favorite_plugins, this), gui_context());
 376 }
 377
 378 Mixer_UI::~Mixer_UI ()
 379 {
 380         if (_monitor_section) {
 381                 monitor_section_detached ();
 382                 delete _monitor_section;
 383         }
 384         delete _plugin_selector;
 385 }
 386
 387 void
 388 Mixer_UI::escape ()
 389 {
 390         select_none ();
 391 }
 392
 393 void
 394 Mixer_UI::track_editor_selection ()
 395 {
 396         PublicEditor::instance().get_selection().TracksChanged.connect (sigc::mem_fun (*this, &Mixer_UI::follow_editor_selection));
 397 }
 398
 399 Gtk::Window*
 400 Mixer_UI::use_own_window (bool and_fill_it)
 401 {
 402         bool new_window = !own_window();
 403
 404         Gtk::Window* win = Tabbable::use_own_window (and_fill_it);
 405
 406
 407         if (win && new_window) {
 408                 win->set_name ("MixerWindow");
 409                 ARDOUR_UI::instance()->setup_toplevel_window (*win, _("Mixer"), this);
 410                 win->signal_scroll_event().connect (sigc::mem_fun (*this, &Mixer_UI::on_scroll_event), false);
 411                 win->signal_event().connect (sigc::bind (sigc::ptr_fun (&Keyboard::catch_user_event_for_pre_dialog_focus), win));
 412                 win->set_data ("ardour-bindings", bindings);
 413                 update_title ();
 414         }
 415
 416         return win;
 417 }
 418
 419 void
 420 Mixer_UI::show_window ()
 421 {
 422         Tabbable::show_window ();
 423
 424         /* show/hide group tabs as required */
 425         parameter_changed ("show-group-tabs");
 426
 427         /* now reset each strips width so the right widgets are shown */
 428
 429         TreeModel::Children rows = track_model->children();
 430         TreeModel::Children::iterator ri;
 431
 432         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 433                 AxisView* av = (*ri)[stripable_columns.strip];
 434                 MixerStrip* ms = dynamic_cast<MixerStrip*> (av);
 435                 if (!ms) {
 436                         continue;
 437                 }
 438                 ms->set_width_enum (ms->get_width_enum (), ms->width_owner());
 439                 /* Fix visibility of mixer strip stuff */
 440                 ms->parameter_changed (X_("mixer-element-visibility"));
 441         }
 442
 443         /* force focus into main area */
 444         scroller_base.grab_focus ();
 445 }
 446
 447 void
 448 Mixer_UI::remove_master (VCAMasterStrip* vms)
 449 {
 450         if (_session && _session->deletion_in_progress()) {
 451                 /* its all being taken care of */
 452                 return;
 453         }
 454
 455         TreeModel::Children rows = track_model->children();
 456         TreeModel::Children::iterator ri;
 457
 458         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 459                 if ((*ri)[stripable_columns.strip] == vms) {
 460                         PBD::Unwinder<bool> uw (_route_deletion_in_progress, true);
 461                         track_model->erase (ri);
 462                         break;
 463                 }
 464         }
 465 }
 466
 467 bool
 468 Mixer_UI::masters_scroller_button_release (GdkEventButton* ev)
 469 {
 470         using namespace Menu_Helpers;
 471
 472         if (Keyboard::is_context_menu_event (ev)) {
 473                 ARDOUR_UI::instance()->add_route ();
 474                 return true;
 475         }
 476
 477         return false;
 478 }
 479
 480 void
 481 Mixer_UI::add_masters (VCAList& vlist)
 482 {
 483         StripableList sl;
 484
 485         for (VCAList::iterator v = vlist.begin(); v != vlist.end(); ++v) {
 486                 sl.push_back (boost::dynamic_pointer_cast<Stripable> (*v));
 487         }
 488
 489         add_stripables (sl);
 490 }
 491
 492 void
 493 Mixer_UI::add_routes (RouteList& rlist)
 494 {
 495         StripableList sl;
 496
 497         for (RouteList::iterator r = rlist.begin(); r != rlist.end(); ++r) {
 498                 sl.push_back (*r);
 499         }
 500
 501         add_stripables (sl);
 502 }
 503
 504 void
 505 Mixer_UI::add_stripables (StripableList& slist)
 506 {
 507         Gtk::TreeModel::Children::iterator insert_iter = track_model->children().end();
 508         bool from_scratch = (track_model->children().size() == 0);
 509         uint32_t nroutes = 0;
 510
 511         slist.sort (StripablePresentationInfoSorter());
 512
 513         for (Gtk::TreeModel::Children::iterator it = track_model->children().begin(); it != track_model->children().end(); ++it) {
 514                 boost::shared_ptr<Stripable> s = (*it)[stripable_columns.stripable];
 515
 516                 if (!s) {
 517                         continue;
 518                 }
 519
 520                 nroutes++;
 521
 522                 if (s->presentation_info().order() == (slist.front()->presentation_info().order() + slist.size())) {
 523                         insert_iter = it;
 524                         break;
 525                 }
 526         }
 527
 528         MixerStrip* strip;
 529
 530
 531         try {
 532                 PBD::Unwinder<bool> uw (no_track_list_redisplay, true);
 533
 534                 track_display.set_model (Glib::RefPtr<ListStore>());
 535
 536                 for (StripableList::iterator s = slist.begin(); s != slist.end(); ++s) {
 537
 538                         boost::shared_ptr<Route> route;
 539                         boost::shared_ptr<VCA> vca;
 540
 541                         if ((vca  = boost::dynamic_pointer_cast<VCA> (*s))) {
 542
 543                                 VCAMasterStrip* vms = new VCAMasterStrip (_session, vca);
 544
 545                                 TreeModel::Row row = *(track_model->append());
 546
 547                                 row[stripable_columns.text] = vca->name();
 548                                 row[stripable_columns.visible] = vms->marked_for_display ();
 549                                 row[stripable_columns.strip] = vms;
 550                                 row[stripable_columns.stripable] = vca;
 551
 552                                 vms->CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::remove_master, this, _1), gui_context());
 553
 554                         } else if ((route = boost::dynamic_pointer_cast<Route> (*s))) {
 555
 556                                 if (route->is_auditioner()) {
 557                                         continue;
 558                                 }
 559
 560                                 if (route->is_monitor()) {
 561
 562                                         if (!_monitor_section) {
 563                                                 _monitor_section = new MonitorSection (_session);
 564
 565                                                 XMLNode* mnode = ARDOUR_UI::instance()->tearoff_settings (X_("monitor-section"));
 566                                                 if (mnode) {
 567                                                         _monitor_section->tearoff().set_state (*mnode);
 568                                                 }
 569                                         }
 570
 571                                         out_packer.pack_end (_monitor_section->tearoff(), false, false);
 572                                         _monitor_section->set_session (_session);
 573                                         _monitor_section->tearoff().show_all ();
 574
 575                                         _monitor_section->tearoff().Detach.connect (sigc::mem_fun(*this, &Mixer_UI::monitor_section_detached));
 576                                         _monitor_section->tearoff().Attach.connect (sigc::mem_fun(*this, &Mixer_UI::monitor_section_attached));
 577
 578                                         monitor_section_attached ();
 579
 580                                         route->DropReferences.connect (*this, invalidator(*this), boost::bind (&Mixer_UI::monitor_section_going_away, this), gui_context());
 581
 582                                         /* no regular strip shown for control out */
 583
 584                                         continue;
 585                                 }
 586
 587                                 strip = new MixerStrip (*this, _session, route);
 588                                 strips.push_back (strip);
 589
 590                                 UIConfiguration::instance().get_default_narrow_ms() ? _strip_width = Narrow : _strip_width = Wide;
 591
 592                                 if (strip->width_owner() != strip) {
 593                                         strip->set_width_enum (_strip_width, this);
 594                                 }
 595
 596                                 show_strip (strip);
 597
 598                                 if (!route->is_master()) {
 599
 600                                         TreeModel::Row row = *(track_model->insert (insert_iter));
 601
 602                                         row[stripable_columns.text] = route->name();
 603                                         row[stripable_columns.visible] = strip->marked_for_display();
 604                                         row[stripable_columns.stripable] = route;
 605                                         row[stripable_columns.strip] = strip;
 606
 607                                         if (nroutes != 0) {
 608                                                 _selection.add (strip);
 609                                         }
 610
 611                                 } else {
 612
 613                                         out_packer.pack_start (*strip, false, false);
 614                                         strip->set_packed (true);
 615                                 }
 616
 617                                 strip->WidthChanged.connect (sigc::mem_fun(*this, &Mixer_UI::strip_width_changed));
 618                                 strip->signal_button_release_event().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::strip_button_release_event), strip));
 619                         }
 620
 621                         (*s)->presentation_info().PropertyChanged.connect (*this, invalidator(*this), boost::bind (&Mixer_UI::stripable_property_changed, this, _1, boost::weak_ptr<Stripable>(*s)), gui_context());
 622                         (*s)->PropertyChanged.connect (*this, invalidator(*this), boost::bind (&Mixer_UI::stripable_property_changed, this, _1, boost::weak_ptr<Stripable>(*s)), gui_context());
 623                 }
 624
 625         } catch (const std::exception& e) {
 626                 error << string_compose (_("Error adding GUI elements for new tracks/busses %1"), e.what()) << endmsg;
 627         }
 628
 629         track_display.set_model (track_model);
 630
 631         if (!from_scratch) {
 632                 sync_presentation_info_from_treeview ();
 633         }
 634
 635         redisplay_track_list ();
 636 }
 637
 638 void
 639 Mixer_UI::deselect_all_strip_processors ()
 640 {
 641         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 642                 (*i)->deselect_all_processors();
 643         }
 644 }
 645
 646 void
 647 Mixer_UI::select_strip (MixerStrip& ms, bool add)
 648 {
 649         if (add) {
 650                 _selection.add (&ms);
 651         } else {
 652                 _selection.set (&ms);
 653         }
 654 }
 655
 656 void
 657 Mixer_UI::select_none ()
 658 {
 659         _selection.clear_routes();
 660         deselect_all_strip_processors();
 661 }
 662
 663 void
 664 Mixer_UI::delete_processors ()
 665 {
 666         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 667                 (*i)->delete_processors();
 668         }
 669 }
 670
 671
 672 void
 673 Mixer_UI::remove_strip (MixerStrip* strip)
 674 {
 675         if (_session && _session->deletion_in_progress()) {
 676                 /* its all being taken care of */
 677                 return;
 678         }
 679
 680         TreeModel::Children rows = track_model->children();
 681         TreeModel::Children::iterator ri;
 682         list<MixerStrip *>::iterator i;
 683
 684         if ((i = find (strips.begin(), strips.end(), strip)) != strips.end()) {
 685                 strips.erase (i);
 686         }
 687
 688         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 689                 if ((*ri)[stripable_columns.strip] == strip) {
 690                         PBD::Unwinder<bool> uw (_route_deletion_in_progress, true);
 691                         track_model->erase (ri);
 692                         break;
 693                 }
 694         }
 695 }
 696
 697 void
 698 Mixer_UI::sync_presentation_info_from_treeview ()
 699 {
 700         if (ignore_reorder || !_session || _session->deletion_in_progress()) {
 701                 return;
 702         }
 703
 704         TreeModel::Children rows = track_model->children();
 705
 706         if (rows.empty()) {
 707                 return;
 708         }
 709
 710         DEBUG_TRACE (DEBUG::OrderKeys, "mixer sync presentation info from treeview\n");
 711
 712         TreeModel::Children::iterator ri;
 713         bool change = false;
 714         uint32_t order = 0;
 715
 716         // special case master if it's got PI order 0 lets keep it there
 717         if (_session->master_out() && (_session->master_out()->presentation_info().order() == 0)) {
 718                 order++;
 719         }
 720
 721         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 722                 bool visible = (*ri)[stripable_columns.visible];
 723                 boost::shared_ptr<Stripable> stripable = (*ri)[stripable_columns.stripable];
 724
 725                 if (!stripable) {
 726                         continue;
 727                 }
 728
 729                 /* Monitor and Auditioner do not get their presentation
 730                  * info reset here.
 731                  */
 732
 733                 if (stripable->is_monitor() || stripable->is_auditioner()) {
 734                         continue;
 735                 }
 736
 737                 /* Master also doesn't get set here but since the editor allows
 738                  * it to be reordered, we need to preserve its ordering.
 739                  */
 740
 741                 stripable->presentation_info().set_hidden (!visible);
 742
 743                 // master may not get set here, but if it is zero keep it there
 744                 if (stripable->is_master() && (stripable->presentation_info().order() == 0)) {
 745                         continue;
 746                 }
 747
 748                 if (order != stripable->presentation_info().order()) {
 749                         stripable->set_presentation_order (order, false);
 750                         change = true;
 751                 }
 752
 753                 ++order;
 754         }
 755
 756         if (change) {
 757                 DEBUG_TRACE (DEBUG::OrderKeys, "... notify PI change from mixer GUI\n");
 758                 _session->notify_presentation_info_change ();
 759                 _session->set_dirty();
 760         }
 761 }
 762
 763 void
 764 Mixer_UI::sync_treeview_from_presentation_info ()
 765 {
 766         if (!_session || _session->deletion_in_progress()) {
 767                 return;
 768         }
 769
 770         DEBUG_TRACE (DEBUG::OrderKeys, "mixer sync model from presentation info.\n");
 771
 772         /* we could get here after either a change in the Mixer or Editor sort
 773          * order, but either way, the mixer order keys reflect the intended
 774          * order for the GUI, so reorder the treeview model to match it.
 775          */
 776
 777         vector<int> neworder;
 778         TreeModel::Children rows = track_model->children();
 779         uint32_t old_order = 0;
 780         bool changed = false;
 781
 782         if (rows.empty()) {
 783                 return;
 784         }
 785
 786         OrderingKeys sorted;
 787
 788         for (TreeModel::Children::iterator ri = rows.begin(); ri != rows.end(); ++ri, ++old_order) {
 789                 boost::shared_ptr<Stripable> stripable = (*ri)[stripable_columns.stripable];
 790                 sorted.push_back (OrderKeys (old_order, stripable->presentation_info().order()));
 791         }
 792
 793         SortByNewDisplayOrder cmp;
 794
 795         sort (sorted.begin(), sorted.end(), cmp);
 796         neworder.assign (sorted.size(), 0);
 797
 798         uint32_t n = 0;
 799
 800         for (OrderingKeys::iterator sr = sorted.begin(); sr != sorted.end(); ++sr, ++n) {
 801
 802                 neworder[n] = sr->old_display_order;
 803
 804                 if (sr->old_display_order != n) {
 805                         changed = true;
 806                 }
 807         }
 808
 809         if (changed) {
 810                 Unwinder<bool> uw (ignore_reorder, true);
 811                 track_model->reorder (neworder);
 812         }
 813
 814         redisplay_track_list ();
 815 }
 816
 817 void
 818 Mixer_UI::follow_editor_selection ()
 819 {
 820         if (_following_editor_selection) {
 821                 return;
 822         }
 823
 824         _following_editor_selection = true;
 825         _selection.block_routes_changed (true);
 826
 827         TrackSelection& s (PublicEditor::instance().get_selection().tracks);
 828
 829         _selection.clear_routes ();
 830
 831         for (TrackViewList::iterator i = s.begin(); i != s.end(); ++i) {
 832                 TimeAxisView* tav = dynamic_cast<TimeAxisView*> (*i);
 833                 if (tav) {
 834                         AxisView* axis = axis_by_stripable (tav->stripable());
 835                         if (axis) {
 836                                 _selection.add (axis);
 837                         }
 838                 }
 839         }
 840
 841         _following_editor_selection = false;
 842         _selection.block_routes_changed (false);
 843 }
 844
 845
 846 MixerStrip*
 847 Mixer_UI::strip_by_route (boost::shared_ptr<Route> r) const
 848 {
 849         for (list<MixerStrip *>::const_iterator i = strips.begin(); i != strips.end(); ++i) {
 850                 if ((*i)->route() == r) {
 851                         return (*i);
 852                 }
 853         }
 854
 855         return 0;
 856 }
 857
 858 AxisView*
 859 Mixer_UI::axis_by_stripable (boost::shared_ptr<Stripable> s) const
 860 {
 861         for (list<MixerStrip *>::const_iterator i = strips.begin(); i != strips.end(); ++i) {
 862                 if ((*i)->stripable() == s) {
 863                         return (*i);
 864                 }
 865         }
 866
 867         return 0;
 868 }
 869
 870 bool
 871 Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
 872 {
 873         if (ev->button == 1) {
 874                 if (_selection.selected (strip)) {
 875                         /* primary-click: toggle selection state of strip */
 876                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 877                                 _selection.remove (strip);
 878                         } else if (_selection.axes.size() > 1) {
 879                                 /* de-select others */
 880                                 _selection.set (strip);
 881                         }
 882                 } else {
 883                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 884                                 _selection.add (strip);
 885                         } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::RangeSelectModifier)) {
 886
 887                                 /* extend selection */
 888
 889                                 vector<MixerStrip*> tmp;
 890                                 bool accumulate = false;
 891                                 bool found_another = false;
 892
 893                                 tmp.push_back (strip);
 894
 895                                 for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
 896                                         if ((*i) == strip) {
 897                                                 /* hit clicked strip, start accumulating till we hit the first
 898                                                    selected strip
 899                                                 */
 900                                                 if (accumulate) {
 901                                                         /* done */
 902                                                         break;
 903                                                 } else {
 904                                                         accumulate = true;
 905                                                 }
 906                                         } else if (_selection.selected (*i)) {
 907                                                 /* hit selected strip. if currently accumulating others,
 908                                                    we're done. if not accumulating others, start doing so.
 909                                                 */
 910                                                 found_another = true;
 911                                                 if (accumulate) {
 912                                                         /* done */
 913                                                         break;
 914                                                 } else {
 915                                                         accumulate = true;
 916                                                 }
 917                                         } else {
 918                                                 if (accumulate) {
 919                                                         tmp.push_back (*i);
 920                                                 }
 921                                         }
 922                                 }
 923
 924                                 if (found_another) {
 925                                         for (vector<MixerStrip*>::iterator i = tmp.begin(); i != tmp.end(); ++i) {
 926                                                 _selection.add (*i);
 927                                         }
 928                                 } else
 929                                         _selection.set (strip);  //user wants to start a range selection, but there aren't any others selected yet
 930                         } else {
 931                                 _selection.set (strip);
 932                         }
 933                 }
 934         }
 935
 936         return true;
 937 }
 938
 939 void
 940 Mixer_UI::set_session (Session* sess)
 941 {
 942         SessionHandlePtr::set_session (sess);
 943
 944         if (_plugin_selector) {
 945                 _plugin_selector->set_session (_session);
 946         }
 947
 948         _group_tabs->set_session (sess);
 949
 950         if (_monitor_section) {
 951                 _monitor_section->set_session (_session);
 952         }
 953
 954         if (!_session) {
 955                 return;
 956         }
 957
 958         refill_favorite_plugins();
 959
 960         XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
 961         set_state (*node, 0);
 962
 963         update_title ();
 964
 965         initial_track_display ();
 966
 967         _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_routes, this, _1), gui_context());
 968         _session->route_group_added.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_route_group, this, _1), gui_context());
 969         _session->route_group_removed.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 970         _session->route_groups_reordered.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 971         _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context());
 972         _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 973         _session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 974
 975         _session->vca_manager().VCAAdded.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_masters, this, _1), gui_context());
 976
 977         Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context ());
 978
 979         route_groups_changed ();
 980
 981         if (_visible) {
 982                 show_window();
 983         }
 984         start_updating ();
 985 }
 986
 987 void
 988 Mixer_UI::session_going_away ()
 989 {
 990         ENSURE_GUI_THREAD (*this, &Mixer_UI::session_going_away);
 991
 992         _in_group_rebuild_or_clear = true;
 993         group_model->clear ();
 994         _in_group_rebuild_or_clear = false;
 995
 996         _selection.clear ();
 997         track_model->clear ();
 998
 999         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
1000                 delete (*i);
1001         }
1002
1003         if (_monitor_section) {
1004                 _monitor_section->tearoff().hide_visible ();
1005         }
1006
1007         monitor_section_detached ();
1008
1009         strips.clear ();
1010
1011         stop_updating ();
1012
1013         SessionHandlePtr::session_going_away ();
1014
1015         _session = 0;
1016         update_title ();
1017 }
1018
1019 void
1020 Mixer_UI::track_visibility_changed (std::string const & path)
1021 {
1022         if (_session && _session->deletion_in_progress()) {
1023                 return;
1024         }
1025
1026         TreeIter iter;
1027
1028         if ((iter = track_model->get_iter (path))) {
1029
1030                 AxisView* av = (*iter)[stripable_columns.strip];
1031                 bool visible = (*iter)[stripable_columns.visible];
1032
1033                 if (av->set_marked_for_display (!visible)) {
1034                         update_track_visibility ();
1035                 }
1036         }
1037 }
1038
1039 void
1040 Mixer_UI::update_track_visibility ()
1041 {
1042         TreeModel::Children rows = track_model->children();
1043         TreeModel::Children::iterator i;
1044
1045         {
1046                 Unwinder<bool> uw (no_track_list_redisplay, true);
1047
1048                 for (i = rows.begin(); i != rows.end(); ++i) {
1049                         AxisView* av = (*i)[stripable_columns.strip];
1050                         (*i)[stripable_columns.visible] = av->marked_for_display ();
1051                 }
1052
1053                 /* force presentation catch up with visibility changes
1054                  */
1055
1056                 sync_presentation_info_from_treeview ();
1057         }
1058
1059         redisplay_track_list ();
1060 }
1061
1062 void
1063 Mixer_UI::show_strip (MixerStrip* ms)
1064 {
1065         TreeModel::Children rows = track_model->children();
1066         TreeModel::Children::iterator i;
1067
1068         for (i = rows.begin(); i != rows.end(); ++i) {
1069
1070                 AxisView* av = (*i)[stripable_columns.strip];
1071                 MixerStrip* strip = dynamic_cast<MixerStrip*> (av);
1072                 if (strip == ms) {
1073                         (*i)[stripable_columns.visible] = true;
1074                         av->set_marked_for_display (true);
1075                         update_track_visibility ();
1076                         break;
1077                 }
1078         }
1079 }
1080
1081 void
1082 Mixer_UI::hide_strip (MixerStrip* ms)
1083 {
1084         TreeModel::Children rows = track_model->children();
1085         TreeModel::Children::iterator i;
1086
1087         for (i = rows.begin(); i != rows.end(); ++i) {
1088
1089                 AxisView* av = (*i)[stripable_columns.strip];
1090                 MixerStrip* strip = dynamic_cast<MixerStrip*> (av);
1091                 if (strip == ms) {
1092                         (*i)[stripable_columns.visible] = false;
1093                         av->set_marked_for_display (false);
1094                         update_track_visibility ();
1095                         break;
1096                 }
1097         }
1098 }
1099
1100 gint
1101 Mixer_UI::start_updating ()
1102 {
1103     fast_screen_update_connection = Timers::super_rapid_connect (sigc::mem_fun(*this, &Mixer_UI::fast_update_strips));
1104     return 0;
1105 }
1106
1107 gint
1108 Mixer_UI::stop_updating ()
1109 {
1110     fast_screen_update_connection.disconnect();
1111     return 0;
1112 }
1113
1114 void
1115 Mixer_UI::fast_update_strips ()
1116 {
1117         if (_content.is_mapped () && _session) {
1118                 for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
1119                         (*i)->fast_update ();
1120                 }
1121         }
1122 }
1123
1124 void
1125 Mixer_UI::set_all_strips_visibility (bool yn)
1126 {
1127         TreeModel::Children rows = track_model->children();
1128         TreeModel::Children::iterator i;
1129
1130         {
1131                 Unwinder<bool> uw (no_track_list_redisplay, true);
1132
1133                 for (i = rows.begin(); i != rows.end(); ++i) {
1134
1135                         AxisView* av = (*i)[stripable_columns.strip];
1136                         MixerStrip* strip = dynamic_cast<MixerStrip*> (av);
1137
1138                         if (!strip) {
1139                                 continue;
1140                         }
1141
1142                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
1143                                 continue;
1144                         }
1145
1146                         (*i)[stripable_columns.visible] = yn;
1147                 }
1148         }
1149
1150         redisplay_track_list ();
1151 }
1152
1153
1154 void
1155 Mixer_UI::set_all_audio_midi_visibility (int tracks, bool yn)
1156 {
1157         TreeModel::Children rows = track_model->children();
1158         TreeModel::Children::iterator i;
1159
1160         {
1161                 Unwinder<bool> uw (no_track_list_redisplay, true);
1162
1163                 for (i = rows.begin(); i != rows.end(); ++i) {
1164
1165                         AxisView* av = (*i)[stripable_columns.strip];
1166                         MixerStrip* strip = dynamic_cast<MixerStrip*> (av);
1167
1168                         if (!strip) {
1169                                 continue;
1170                         }
1171
1172                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
1173                                 continue;
1174                         }
1175
1176                         boost::shared_ptr<AudioTrack> at = strip->audio_track();
1177                         boost::shared_ptr<MidiTrack> mt = strip->midi_track();
1178
1179                         switch (tracks) {
1180                         case 0:
1181                                 (*i)[stripable_columns.visible] = yn;
1182                                 break;
1183
1184                         case 1:
1185                                 if (at) { /* track */
1186                                         (*i)[stripable_columns.visible] = yn;
1187                                 }
1188                                 break;
1189
1190                         case 2:
1191                                 if (!at && !mt) { /* bus */
1192                                         (*i)[stripable_columns.visible] = yn;
1193                                 }
1194                                 break;
1195
1196                         case 3:
1197                                 if (mt) { /* midi-track */
1198                                         (*i)[stripable_columns.visible] = yn;
1199                                 }
1200                                 break;
1201                         }
1202                 }
1203         }
1204
1205         redisplay_track_list ();
1206 }
1207
1208 void
1209 Mixer_UI::hide_all_routes ()
1210 {
1211         set_all_strips_visibility (false);
1212 }
1213
1214 void
1215 Mixer_UI::show_all_routes ()
1216 {
1217         set_all_strips_visibility (true);
1218 }
1219
1220 void
1221 Mixer_UI::show_all_audiobus ()
1222 {
1223         set_all_audio_midi_visibility (2, true);
1224 }
1225 void
1226 Mixer_UI::hide_all_audiobus ()
1227 {
1228         set_all_audio_midi_visibility (2, false);
1229 }
1230
1231 void
1232 Mixer_UI::show_all_audiotracks()
1233 {
1234         set_all_audio_midi_visibility (1, true);
1235 }
1236 void
1237 Mixer_UI::hide_all_audiotracks ()
1238 {
1239         set_all_audio_midi_visibility (1, false);
1240 }
1241
1242 void
1243 Mixer_UI::show_all_miditracks()
1244 {
1245         set_all_audio_midi_visibility (3, true);
1246 }
1247 void
1248 Mixer_UI::hide_all_miditracks ()
1249 {
1250         set_all_audio_midi_visibility (3, false);
1251 }
1252
1253 void
1254 Mixer_UI::track_list_reorder (const TreeModel::Path&, const TreeModel::iterator&, int* /*new_order*/)
1255 {
1256         DEBUG_TRACE (DEBUG::OrderKeys, "mixer UI treeview reordered\n");
1257         sync_presentation_info_from_treeview ();
1258 }
1259
1260 void
1261 Mixer_UI::track_list_delete (const Gtk::TreeModel::Path&)
1262 {
1263         /* this happens as the second step of a DnD within the treeview as well
1264            as when a row/route is actually deleted.
1265
1266            if it was a deletion then we have to force a redisplay because
1267            order keys may not have changed.
1268         */
1269
1270         DEBUG_TRACE (DEBUG::OrderKeys, "mixer UI treeview row deleted\n");
1271         sync_presentation_info_from_treeview ();
1272
1273         if (_route_deletion_in_progress) {
1274                 redisplay_track_list ();
1275         }
1276 }
1277
1278 void
1279 Mixer_UI::spill_redisplay (boost::shared_ptr<VCA> vca)
1280 {
1281         TreeModel::Children rows = track_model->children();
1282
1283         for (TreeModel::Children::iterator i = rows.begin(); i != rows.end(); ++i) {
1284
1285                 AxisView* av = (*i)[stripable_columns.strip];
1286                 MixerStrip* strip = dynamic_cast<MixerStrip*> (av);
1287
1288                 if (!strip) {
1289                         /* we're in the middle of changing a row, don't worry */
1290                         continue;
1291                 }
1292
1293                 if (!strip->route()) {
1294                         /* non-route element */
1295                         continue;
1296                 }
1297
1298                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
1299                         continue;
1300                 }
1301
1302                 if (strip->route()->slaved_to (vca)) {
1303
1304                         if (strip->packed()) {
1305                                 strip_packer.reorder_child (*strip, -1); /* put at end */
1306                         } else {
1307                                 strip_packer.pack_start (*strip, false, false);
1308                                 strip->set_packed (true);
1309                         }
1310
1311                 } else {
1312
1313                         if (strip->packed()) {
1314                                 strip_packer.remove (*strip);
1315                                 strip->set_packed (false);
1316                         }
1317                 }
1318         }
1319 }
1320
1321 void
1322 Mixer_UI::redisplay_track_list ()
1323 {
1324         if (no_track_list_redisplay) {
1325                 return;
1326         }
1327
1328         boost::shared_ptr<VCA> sv = spilled_vca.lock ();
1329
1330         if (sv) {
1331                 spill_redisplay (sv);
1332                 return;
1333         }
1334
1335         TreeModel::Children rows = track_model->children();
1336         TreeModel::Children::iterator i;
1337         uint32_t n_masters = 0;
1338
1339         container_clear (vca_hpacker);
1340         vca_hpacker.pack_end (vca_scroller_base, true, true);
1341
1342         for (i = rows.begin(); i != rows.end(); ++i) {
1343
1344                 AxisView* s = (*i)[stripable_columns.strip];
1345                 bool const visible = (*i)[stripable_columns.visible];
1346                 boost::shared_ptr<Stripable> stripable = (*i)[stripable_columns.stripable];
1347
1348                 if (!s) {
1349                         /* we're in the middle of changing a row, don't worry */
1350                         continue;
1351                 }
1352
1353                 VCAMasterStrip* vms;
1354
1355                 if ((vms = dynamic_cast<VCAMasterStrip*> (s))) {
1356                         if (visible) {
1357                                 vca_hpacker.pack_start (*vms, false, false);
1358                                 vms->show ();
1359                                 n_masters++;
1360                         }
1361                         continue;
1362                 }
1363
1364                 MixerStrip* strip = dynamic_cast<MixerStrip*> (s);
1365
1366                 if (!strip) {
1367                         continue;
1368                 }
1369
1370                 if (visible) {
1371
1372                         if (strip->packed()) {
1373                                 strip_packer.reorder_child (*strip, -1); /* put at end */
1374                         } else {
1375                                 strip_packer.pack_start (*strip, false, false);
1376                                 strip->set_packed (true);
1377                         }
1378
1379                 } else {
1380
1381                         if (stripable->is_master() || stripable->is_monitor()) {
1382                                 /* do nothing, these cannot be hidden */
1383                         } else {
1384                                 if (strip->packed()) {
1385                                         strip_packer.remove (*strip);
1386                                         strip->set_packed (false);
1387                                 }
1388                         }
1389                 }
1390         }
1391
1392         /* update visibility of VCA assign buttons */
1393
1394         if (n_masters == 0) {
1395                 UIConfiguration::instance().set_mixer_strip_visibility (VisibilityGroup::remove_element (UIConfiguration::instance().get_mixer_strip_visibility(), X_("VCA")));
1396                 vca_vpacker.hide ();
1397         } else {
1398                 UIConfiguration::instance().set_mixer_strip_visibility (VisibilityGroup::add_element (UIConfiguration::instance().get_mixer_strip_visibility(), X_("VCA")));
1399                 vca_vpacker.show ();
1400         }
1401
1402         _group_tabs->set_dirty ();
1403 }
1404
1405 void
1406 Mixer_UI::strip_width_changed ()
1407 {
1408         _group_tabs->set_dirty ();
1409
1410 #ifdef __APPLE__
1411         TreeModel::Children rows = track_model->children();
1412         TreeModel::Children::iterator i;
1413         long order;
1414
1415         for (order = 0, i = rows.begin(); i != rows.end(); ++i, ++order) {
1416                 AxisView* av = (*i)[stripable_columns.strip];
1417                 MixerStrip* strip = dynamic_cast<MixerStrip*> (av);
1418
1419                 if (strip == 0) {
1420                         continue;
1421                 }
1422
1423                 bool visible = (*i)[stripable_columns.visible];
1424
1425                 if (visible) {
1426                         strip->queue_draw();
1427                 }
1428         }
1429 #endif
1430
1431 }
1432
1433 struct PresentationInfoMixerSorter
1434 {
1435         bool operator() (boost::shared_ptr<Stripable> a, boost::shared_ptr<Stripable> b) {
1436                 if (a->is_master()) {
1437                         /* master after everything else */
1438                         return false;
1439                 } else if (b->is_master()) {
1440                         /* everything else before master */
1441                         return true;
1442                 }
1443                 return a->presentation_info().order () < b->presentation_info().order ();
1444         }
1445 };
1446
1447 void
1448 Mixer_UI::initial_track_display ()
1449 {
1450         StripableList sl;
1451
1452         boost::shared_ptr<RouteList> routes = _session->get_routes();
1453
1454         for (RouteList::iterator r = routes->begin(); r != routes->end(); ++r) {
1455                 sl.push_back (*r);
1456         }
1457
1458         VCAList vcas = _session->vca_manager().vcas();
1459
1460         for (VCAList::iterator v = vcas.begin(); v != vcas.end(); ++v) {
1461                 sl.push_back (boost::dynamic_pointer_cast<Stripable> (*v));
1462         }
1463
1464         sl.sort (PresentationInfoMixerSorter());
1465
1466         {
1467                 /* These are also used inside ::add_stripables() but we need
1468                  *  them here because we're going to clear the track_model also.
1469                  */
1470                 Unwinder<bool> uw1 (no_track_list_redisplay, true);
1471                 Unwinder<bool> uw2 (ignore_reorder, true);
1472
1473                 track_model->clear ();
1474                 add_stripables (sl);
1475         }
1476
1477         redisplay_track_list ();
1478 }
1479
1480 void
1481 Mixer_UI::show_track_list_menu ()
1482 {
1483         if (track_menu == 0) {
1484                 build_track_menu ();
1485         }
1486
1487         track_menu->popup (1, gtk_get_current_event_time());
1488 }
1489
1490 bool
1491 Mixer_UI::track_display_button_press (GdkEventButton* ev)
1492 {
1493         if (Keyboard::is_context_menu_event (ev)) {
1494                 show_track_list_menu ();
1495                 return true;
1496         }
1497         if ((ev->type == GDK_BUTTON_PRESS) && (ev->button == 1)) {
1498                 TreeModel::Path path;
1499                 TreeViewColumn* column;
1500                 int cellx, celly;
1501                 if (track_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
1502                         TreeIter iter = track_model->get_iter (path);
1503                         if ((*iter)[stripable_columns.visible]) {
1504                                 boost::shared_ptr<ARDOUR::Stripable> s = (*iter)[stripable_columns.stripable];
1505                                 move_stripable_into_view (s);
1506                         }
1507                 }
1508         }
1509
1510         return false;
1511 }
1512
1513 void
1514 Mixer_UI::move_stripable_into_view (boost::shared_ptr<ARDOUR::Stripable> s)
1515 {
1516         if (!scroller.get_hscrollbar()) {
1517                 return;
1518         }
1519         if (s->presentation_info().special () || s->presentation_info().flag_match (PresentationInfo::VCA)) {
1520                 return;
1521         }
1522 #ifdef MIXBUS
1523         if (s->mixbus ()) {
1524                 return;
1525         }
1526 #endif
1527         bool found = false;
1528         int x0 = 0;
1529         for (list<MixerStrip *>::const_iterator i = strips.begin(); i != strips.end(); ++i) {
1530                 if ((*i)->route() == s) {
1531                         int y;
1532                         found = true;
1533                         (*i)->translate_coordinates (strip_packer, 0, 0, x0, y);
1534                         break;
1535                 }
1536         }
1537         if (!found) {
1538                 return;
1539         }
1540
1541         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
1542         scroller.get_hscrollbar()->set_value (max (adj->get_lower(), min (adj->get_upper(), x0 - 1.0)));
1543 }
1544
1545 void
1546 Mixer_UI::build_track_menu ()
1547 {
1548         using namespace Menu_Helpers;
1549         using namespace Gtk;
1550
1551         track_menu = new Menu;
1552         track_menu->set_name ("ArdourContextMenu");
1553         MenuList& items = track_menu->items();
1554
1555         items.push_back (MenuElem (_("Show All"), sigc::mem_fun(*this, &Mixer_UI::show_all_routes)));
1556         items.push_back (MenuElem (_("Hide All"), sigc::mem_fun(*this, &Mixer_UI::hide_all_routes)));
1557         items.push_back (MenuElem (_("Show All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiotracks)));
1558         items.push_back (MenuElem (_("Hide All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiotracks)));
1559         items.push_back (MenuElem (_("Show All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiobus)));
1560         items.push_back (MenuElem (_("Hide All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiobus)));
1561         items.push_back (MenuElem (_("Show All Midi Tracks"), sigc::mem_fun (*this, &Mixer_UI::show_all_miditracks)));
1562         items.push_back (MenuElem (_("Hide All Midi Tracks"), sigc::mem_fun (*this, &Mixer_UI::hide_all_miditracks)));
1563
1564 }
1565
1566 void
1567 Mixer_UI::stripable_property_changed (const PropertyChange& what_changed, boost::weak_ptr<Stripable> ws)
1568 {
1569         if (!what_changed.contains (ARDOUR::Properties::hidden) && !what_changed.contains (ARDOUR::Properties::name)) {
1570                 return;
1571         }
1572
1573         boost::shared_ptr<Stripable> s = ws.lock ();
1574
1575         if (!s) {
1576                 return;
1577         }
1578
1579         TreeModel::Children rows = track_model->children();
1580         TreeModel::Children::iterator i;
1581
1582         for (i = rows.begin(); i != rows.end(); ++i) {
1583                 boost::shared_ptr<Stripable> ss = (*i)[stripable_columns.stripable];
1584
1585                 if (s == ss) {
1586
1587                         if (what_changed.contains (ARDOUR::Properties::name)) {
1588                                 (*i)[stripable_columns.text] = s->name();
1589                         }
1590
1591                         if (what_changed.contains (ARDOUR::Properties::hidden)) {
1592                                 (*i)[stripable_columns.visible] = !s->presentation_info().hidden();
1593                                 redisplay_track_list ();
1594                         }
1595
1596                         return;
1597                 }
1598         }
1599
1600         error << _("track display list item for renamed strip not found!") << endmsg;
1601 }
1602
1603 bool
1604 Mixer_UI::group_display_button_press (GdkEventButton* ev)
1605 {
1606         TreeModel::Path path;
1607         TreeViewColumn* column;
1608         int cellx;
1609         int celly;
1610
1611         if (!group_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
1612                 _group_tabs->get_menu(0)->popup (1, ev->time);
1613                 return true;
1614         }
1615
1616         TreeIter iter = group_model->get_iter (path);
1617         if (!iter) {
1618                 _group_tabs->get_menu(0)->popup (1, ev->time);
1619                 return true;
1620         }
1621
1622         RouteGroup* group = (*iter)[group_columns.group];
1623
1624         if (Keyboard::is_context_menu_event (ev)) {
1625                 _group_tabs->get_menu(group)->popup (1, ev->time);
1626                 return true;
1627         }
1628
1629         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
1630         case 1:
1631                 if (Keyboard::is_edit_event (ev)) {
1632                         if (group) {
1633                                 // edit_route_group (group);
1634 #ifdef __APPLE__
1635                                 group_display.queue_draw();
1636 #endif
1637                                 return true;
1638                         }
1639                 }
1640                 break;
1641
1642         case 0:
1643         {
1644                 bool visible = (*iter)[group_columns.visible];
1645                 (*iter)[group_columns.visible] = !visible;
1646 #ifdef __APPLE__
1647                 group_display.queue_draw();
1648 #endif
1649                 return true;
1650         }
1651
1652         default:
1653                 break;
1654         }
1655
1656         return false;
1657  }
1658
1659 void
1660 Mixer_UI::activate_all_route_groups ()
1661 {
1662         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), true));
1663 }
1664
1665 void
1666 Mixer_UI::disable_all_route_groups ()
1667 {
1668         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), false));
1669 }
1670
1671 void
1672 Mixer_UI::route_groups_changed ()
1673 {
1674         ENSURE_GUI_THREAD (*this, &Mixer_UI::route_groups_changed);
1675
1676         _in_group_rebuild_or_clear = true;
1677
1678         /* just rebuild the while thing */
1679
1680         group_model->clear ();
1681
1682 #if 0
1683         /* this is currently not used,
1684          * Mixer_UI::group_display_button_press() has a case for it,
1685          * and a commented edit_route_group() but that's n/a since 2011.
1686          *
1687          * This code is left as reminder that
1688          * row[group_columns.group] = 0 has special meaning.
1689          */
1690         {
1691                 TreeModel::Row row;
1692                 row = *(group_model->append());
1693                 row[group_columns.visible] = true;
1694                 row[group_columns.text] = (_("-all-"));
1695                 row[group_columns.group] = 0;
1696         }
1697 #endif
1698
1699         _session->foreach_route_group (sigc::mem_fun (*this, &Mixer_UI::add_route_group));
1700
1701         _group_tabs->set_dirty ();
1702         _in_group_rebuild_or_clear = false;
1703 }
1704
1705 void
1706 Mixer_UI::new_route_group ()
1707 {
1708         _group_tabs->run_new_group_dialog (0, false);
1709 }
1710
1711 void
1712 Mixer_UI::remove_selected_route_group ()
1713 {
1714         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1715         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
1716
1717         if (rows.empty()) {
1718                 return;
1719         }
1720
1721         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
1722         TreeIter iter;
1723
1724         /* selection mode is single, so rows.begin() is it */
1725
1726         if ((iter = group_model->get_iter (*i))) {
1727
1728                 RouteGroup* rg = (*iter)[group_columns.group];
1729
1730                 if (rg) {
1731                         _session->remove_route_group (*rg);
1732                 }
1733         }
1734 }
1735
1736 void
1737 Mixer_UI::route_group_property_changed (RouteGroup* group, const PropertyChange& change)
1738 {
1739         if (in_group_row_change) {
1740                 return;
1741         }
1742
1743         /* force an update of any mixer strips that are using this group,
1744            otherwise mix group names don't change in mixer strips
1745         */
1746
1747         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
1748                 if ((*i)->route_group() == group) {
1749                         (*i)->route_group_changed();
1750                 }
1751         }
1752
1753         TreeModel::iterator i;
1754         TreeModel::Children rows = group_model->children();
1755         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1756
1757         in_group_row_change = true;
1758
1759         for (i = rows.begin(); i != rows.end(); ++i) {
1760                 if ((*i)[group_columns.group] == group) {
1761                         (*i)[group_columns.visible] = !group->is_hidden ();
1762                         (*i)[group_columns.text] = group->name ();
1763                         break;
1764                 }
1765         }
1766
1767         in_group_row_change = false;
1768
1769         if (change.contains (Properties::name)) {
1770                 _group_tabs->set_dirty ();
1771         }
1772
1773         for (list<MixerStrip*>::iterator j = strips.begin(); j != strips.end(); ++j) {
1774                 if ((*j)->route_group() == group) {
1775                         if (group->is_hidden ()) {
1776                                 hide_strip (*j);
1777                         } else {
1778                                 show_strip (*j);
1779                         }
1780                 }
1781         }
1782 }
1783
1784 void
1785 Mixer_UI::show_mixer_list (bool yn)
1786 {
1787         if (yn) {
1788                 list_vpacker.show ();
1789         } else {
1790                 list_vpacker.hide ();
1791         }
1792
1793         _show_mixer_list = yn;
1794 }
1795
1796 void
1797 Mixer_UI::show_monitor_section (bool yn)
1798 {
1799         if (!monitor_section()) {
1800                 return;
1801         }
1802         if (monitor_section()->tearoff().torn_off()) {
1803                 return;
1804         }
1805
1806         if (yn) {
1807                 monitor_section()->tearoff().show();
1808         } else {
1809                 monitor_section()->tearoff().hide();
1810         }
1811 }
1812
1813 void
1814 Mixer_UI::route_group_name_edit (const std::string& path, const std::string& new_text)
1815 {
1816         RouteGroup* group;
1817         TreeIter iter;
1818
1819         if ((iter = group_model->get_iter (path))) {
1820
1821                 if ((group = (*iter)[group_columns.group]) == 0) {
1822                         return;
1823                 }
1824
1825                 if (new_text != group->name()) {
1826                         group->set_name (new_text);
1827                 }
1828         }
1829 }
1830
1831 void
1832 Mixer_UI::route_group_row_change (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator& iter)
1833 {
1834         RouteGroup* group;
1835
1836         if (in_group_row_change) {
1837                 return;
1838         }
1839
1840         if ((group = (*iter)[group_columns.group]) == 0) {
1841                 return;
1842         }
1843
1844         std::string name = (*iter)[group_columns.text];
1845
1846         if (name != group->name()) {
1847                 group->set_name (name);
1848         }
1849
1850         bool hidden = !(*iter)[group_columns.visible];
1851
1852         if (hidden != group->is_hidden ()) {
1853                 group->set_hidden (hidden, this);
1854         }
1855 }
1856
1857 /** Called when a group model row is deleted, but also when the model is
1858  *  reordered by a user drag-and-drop; the latter is what we are
1859  *  interested in here.
1860  */
1861 void
1862 Mixer_UI::route_group_row_deleted (Gtk::TreeModel::Path const &)
1863 {
1864         if (_in_group_rebuild_or_clear) {
1865                 return;
1866         }
1867
1868         /* Re-write the session's route group list so that the new order is preserved */
1869
1870         list<RouteGroup*> new_list;
1871
1872         Gtk::TreeModel::Children children = group_model->children();
1873         for (Gtk::TreeModel::Children::iterator i = children.begin(); i != children.end(); ++i) {
1874                 RouteGroup* g = (*i)[group_columns.group];
1875                 if (g) {
1876                         new_list.push_back (g);
1877                 }
1878         }
1879
1880         _session->reorder_route_groups (new_list);
1881 }
1882
1883
1884 void
1885 Mixer_UI::add_route_group (RouteGroup* group)
1886 {
1887         ENSURE_GUI_THREAD (*this, &Mixer_UI::add_route_group, group)
1888         bool focus = false;
1889
1890         in_group_row_change = true;
1891
1892         TreeModel::Row row = *(group_model->append());
1893         row[group_columns.visible] = !group->is_hidden ();
1894         row[group_columns.group] = group;
1895         if (!group->name().empty()) {
1896                 row[group_columns.text] = group->name();
1897         } else {
1898                 row[group_columns.text] = _("unnamed");
1899                 focus = true;
1900         }
1901
1902         group->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::route_group_property_changed, this, group, _1), gui_context());
1903
1904         if (focus) {
1905                 TreeViewColumn* col = group_display.get_column (0);
1906                 CellRendererText* name_cell = dynamic_cast<CellRendererText*>(group_display.get_column_cell_renderer (1));
1907                 group_display.set_cursor (group_model->get_path (row), *col, *name_cell, true);
1908         }
1909
1910         _group_tabs->set_dirty ();
1911
1912         in_group_row_change = false;
1913 }
1914
1915 bool
1916 Mixer_UI::strip_scroller_button_release (GdkEventButton* ev)
1917 {
1918         using namespace Menu_Helpers;
1919
1920         if (Keyboard::is_context_menu_event (ev)) {
1921                 ARDOUR_UI::instance()->add_route ();
1922                 return true;
1923         }
1924
1925         return false;
1926 }
1927
1928 void
1929 Mixer_UI::scroller_drag_data_received (const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, const Gtk::SelectionData& data, guint info, guint time)
1930 {
1931         printf ("Mixer_UI::scroller_drag_data_received\n");
1932         if (data.get_target() != "PluginFavoritePtr") {
1933                 context->drag_finish (false, false, time);
1934                 return;
1935         }
1936
1937         const void * d = data.get_data();
1938         const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>* tv = reinterpret_cast<const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>*>(d);
1939
1940         PluginPresetList nfos;
1941         TreeView* source;
1942         tv->get_object_drag_data (nfos, &source);
1943
1944         Route::ProcessorList pl;
1945         bool ok = false;
1946
1947         for (list<PluginPresetPtr>::const_iterator i = nfos.begin(); i != nfos.end(); ++i) {
1948                 PluginPresetPtr ppp = (*i);
1949                 PluginInfoPtr pip = ppp->_pip;
1950                 if (!pip->is_instrument ()) {
1951                         continue;
1952                 }
1953                 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);
1954                 ok = true;
1955         }
1956
1957         context->drag_finish (ok, false, time);
1958 }
1959
1960 void
1961 Mixer_UI::set_strip_width (Width w, bool save)
1962 {
1963         _strip_width = w;
1964
1965         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1966                 (*i)->set_width_enum (w, save ? (*i)->width_owner() : this);
1967         }
1968 }
1969
1970
1971 struct PluginStateSorter {
1972 public:
1973         bool operator() (PluginInfoPtr a, PluginInfoPtr b) const {
1974                 std::list<std::string>::const_iterator aiter = std::find(_user.begin(), _user.end(), (*a).unique_id);
1975                 std::list<std::string>::const_iterator biter = std::find(_user.begin(), _user.end(), (*b).unique_id);
1976                 if (aiter != _user.end() && biter != _user.end()) {
1977                         return std::distance (_user.begin(), aiter)  < std::distance (_user.begin(), biter);
1978                 }
1979                 if (aiter != _user.end()) {
1980                         return true;
1981                 }
1982                 if (biter != _user.end()) {
1983                         return false;
1984                 }
1985                 return ARDOUR::cmp_nocase((*a).name, (*b).name) == -1;
1986         }
1987
1988         PluginStateSorter(std::list<std::string> user) : _user (user)  {}
1989 private:
1990         std::list<std::string> _user;
1991 };
1992
1993 int
1994 Mixer_UI::set_state (const XMLNode& node, int version)
1995 {
1996         XMLProperty const * prop;
1997         LocaleGuard lg;
1998
1999         Tabbable::set_state (node, version);
2000
2001         if ((prop = node.property ("narrow-strips"))) {
2002                 if (string_is_affirmative (prop->value())) {
2003                         set_strip_width (Narrow);
2004                 } else {
2005                         set_strip_width (Wide);
2006                 }
2007         }
2008
2009         if ((prop = node.property ("show-mixer"))) {
2010                 if (string_is_affirmative (prop->value())) {
2011                        _visible = true;
2012                 }
2013         }
2014
2015         if ((prop = node.property ("maximised"))) {
2016                 bool yn = string_is_affirmative (prop->value());
2017                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleMaximalMixer"));
2018                 assert (act);
2019                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2020                 bool fs = tact && tact->get_active();
2021                 if (yn ^ fs) {
2022                         ActionManager::do_action ("Common", "ToggleMaximalMixer");
2023                 }
2024         }
2025
2026         if ((prop = node.property ("show-mixer-list"))) {
2027                 bool yn = string_is_affirmative (prop->value());
2028                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleMixerList"));
2029                 assert (act);
2030                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2031
2032                 /* do it twice to force the change */
2033                 tact->set_active (!yn);
2034                 tact->set_active (yn);
2035         }
2036
2037
2038         XMLNode* plugin_order;
2039         if ((plugin_order = find_named_node (node, "PluginOrder")) != 0) {
2040                 store_current_favorite_order ();
2041                 std::list<string> order;
2042                 const XMLNodeList& kids = plugin_order->children("PluginInfo");
2043                 XMLNodeConstIterator i;
2044                 for (i = kids.begin(); i != kids.end(); ++i) {
2045                         if ((prop = (*i)->property ("unique-id"))) {
2046                                 std::string unique_id = prop->value();
2047                                 order.push_back (unique_id);
2048                                 if ((prop = (*i)->property ("expanded"))) {
2049                                         favorite_ui_state[unique_id] = string_is_affirmative (prop->value());
2050                                 }
2051                         }
2052                 }
2053                 PluginStateSorter cmp (order);
2054                 favorite_order.sort (cmp);
2055                 sync_treeview_from_favorite_order ();
2056         }
2057         return 0;
2058 }
2059
2060 XMLNode&
2061 Mixer_UI::get_state ()
2062 {
2063         XMLNode* node = new XMLNode (X_("Mixer"));
2064         char buf[128];
2065         LocaleGuard lg;
2066
2067         node->add_child_nocopy (Tabbable::get_state());
2068
2069         snprintf(buf,sizeof(buf), "%f", rhs_pane1.get_divider());
2070         node->add_property(X_("mixer-rhs-pane1-pos"), string(buf));
2071         snprintf(buf,sizeof(buf), "%f", rhs_pane2.get_divider());
2072         node->add_property(X_("mixer-rhs_pane2-pos"), string(buf));
2073         snprintf(buf,sizeof(buf), "%f", list_hpane.get_divider());
2074         node->add_property(X_("mixer-list-hpane-pos"), string(buf));
2075         snprintf(buf,sizeof(buf), "%f", inner_pane.get_divider());
2076         node->add_property(X_("mixer-inner-pane-pos"), string(buf));
2077
2078         node->add_property ("narrow-strips", _strip_width == Narrow ? "yes" : "no");
2079         node->add_property ("show-mixer", _visible ? "yes" : "no");
2080         node->add_property ("show-mixer-list", _show_mixer_list ? "yes" : "no");
2081         node->add_property ("maximised", _maximised ? "yes" : "no");
2082
2083         store_current_favorite_order ();
2084         XMLNode* plugin_order = new XMLNode ("PluginOrder");
2085         int cnt = 0;
2086         for (PluginInfoList::const_iterator i = favorite_order.begin(); i != favorite_order.end(); ++i, ++cnt) {
2087                 XMLNode* p = new XMLNode ("PluginInfo");
2088                 p->add_property ("sort", cnt);
2089                 p->add_property ("unique-id", (*i)->unique_id);
2090                 if (favorite_ui_state.find ((*i)->unique_id) != favorite_ui_state.end ()) {
2091                         p->add_property ("expanded", favorite_ui_state[(*i)->unique_id]);
2092                 }
2093                 plugin_order->add_child_nocopy (*p);
2094         }
2095         node->add_child_nocopy (*plugin_order);
2096
2097         return *node;
2098 }
2099
2100 void
2101 Mixer_UI::scroll_left ()
2102 {
2103         if (!scroller.get_hscrollbar()) return;
2104         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
2105         int sc_w = scroller.get_width();
2106         int sp_w = strip_packer.get_width();
2107         if (sp_w <= sc_w) {
2108                 return;
2109         }
2110         int lp = adj->get_value();
2111         int lm = 0;
2112         using namespace Gtk::Box_Helpers;
2113         const BoxList& strips = strip_packer.children();
2114         for (BoxList::const_iterator i = strips.begin(); i != strips.end(); ++i) {
2115                 lm += i->get_widget()->get_width ();
2116                 if (lm >= lp) {
2117                         lm -= i->get_widget()->get_width ();
2118                         break;
2119                 }
2120         }
2121         scroller.get_hscrollbar()->set_value (max (adj->get_lower(), min (adj->get_upper(), lm - 1.0)));
2122 }
2123
2124 void
2125 Mixer_UI::scroll_right ()
2126 {
2127         if (!scroller.get_hscrollbar()) return;
2128         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
2129         int sc_w = scroller.get_width();
2130         int sp_w = strip_packer.get_width();
2131         if (sp_w <= sc_w) {
2132                 return;
2133         }
2134         int lp = adj->get_value();
2135         int lm = 0;
2136         using namespace Gtk::Box_Helpers;
2137         const BoxList& strips = strip_packer.children();
2138         for (BoxList::const_iterator i = strips.begin(); i != strips.end(); ++i) {
2139                 lm += i->get_widget()->get_width ();
2140                 if (lm > lp + 1) {
2141                         break;
2142                 }
2143         }
2144         scroller.get_hscrollbar()->set_value (max (adj->get_lower(), min (adj->get_upper(), lm - 1.0)));
2145 }
2146
2147 bool
2148 Mixer_UI::on_scroll_event (GdkEventScroll* ev)
2149 {
2150         switch (ev->direction) {
2151         case GDK_SCROLL_LEFT:
2152                 scroll_left ();
2153                 return true;
2154         case GDK_SCROLL_UP:
2155                 if (ev->state & Keyboard::TertiaryModifier) {
2156                         scroll_left ();
2157                         return true;
2158                 }
2159                 return false;
2160
2161         case GDK_SCROLL_RIGHT:
2162                 scroll_right ();
2163                 return true;
2164
2165         case GDK_SCROLL_DOWN:
2166                 if (ev->state & Keyboard::TertiaryModifier) {
2167                         scroll_right ();
2168                         return true;
2169                 }
2170                 return false;
2171         }
2172
2173         return false;
2174 }
2175
2176
2177 void
2178 Mixer_UI::parameter_changed (string const & p)
2179 {
2180         if (p == "show-group-tabs") {
2181                 bool const s = _session->config.get_show_group_tabs ();
2182                 if (s) {
2183                         _group_tabs->show ();
2184                 } else {
2185                         _group_tabs->hide ();
2186                 }
2187         } else if (p == "default-narrow_ms") {
2188                 bool const s = UIConfiguration::instance().get_default_narrow_ms ();
2189                 for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
2190                         (*i)->set_width_enum (s ? Narrow : Wide, this);
2191                 }
2192         } else if (p == "use-monitor-bus") {
2193                 if (_session && !_session->monitor_out()) {
2194                         monitor_section_detached ();
2195                 }
2196         }
2197 }
2198
2199 void
2200 Mixer_UI::set_route_group_activation (RouteGroup* g, bool a)
2201 {
2202         g->set_active (a, this);
2203 }
2204
2205 PluginSelector*
2206 Mixer_UI::plugin_selector()
2207 {
2208 #ifdef DEFER_PLUGIN_SELECTOR_LOAD
2209         if (!_plugin_selector)
2210                 _plugin_selector = new PluginSelector (PluginManager::instance());
2211 #endif
2212
2213         return _plugin_selector;
2214 }
2215
2216 void
2217 Mixer_UI::setup_track_display ()
2218 {
2219         track_model = ListStore::create (stripable_columns);
2220         track_display.set_model (track_model);
2221         track_display.append_column (_("Show"), stripable_columns.visible);
2222         track_display.append_column (_("Strips"), stripable_columns.text);
2223         track_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
2224         track_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
2225         track_display.get_column (0)->set_expand(false);
2226         track_display.get_column (1)->set_expand(true);
2227         track_display.get_column (1)->set_sizing (Gtk::TREE_VIEW_COLUMN_FIXED);
2228         track_display.set_name (X_("EditGroupList"));
2229         track_display.get_selection()->set_mode (Gtk::SELECTION_NONE);
2230         track_display.set_reorderable (true);
2231         track_display.set_headers_visible (true);
2232         track_display.set_can_focus(false);
2233
2234         track_model->signal_row_deleted().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_delete));
2235         track_model->signal_rows_reordered().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_reorder));
2236
2237         CellRendererToggle* track_list_visible_cell = dynamic_cast<CellRendererToggle*>(track_display.get_column_cell_renderer (0));
2238         track_list_visible_cell->property_activatable() = true;
2239         track_list_visible_cell->property_radio() = false;
2240         track_list_visible_cell->signal_toggled().connect (sigc::mem_fun (*this, &Mixer_UI::track_visibility_changed));
2241
2242         track_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::track_display_button_press), false);
2243
2244         track_display_scroller.add (track_display);
2245         track_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
2246
2247         VBox* v = manage (new VBox);
2248         v->show ();
2249         v->pack_start (track_display_scroller, true, true);
2250
2251         Button* b = manage (new Button);
2252         b->show ();
2253         Widget* w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
2254         w->show ();
2255         b->add (*w);
2256
2257         b->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::new_track_or_bus));
2258
2259         v->pack_start (*b, false, false);
2260
2261         track_display_frame.set_name("BaseFrame");
2262         track_display_frame.set_shadow_type (Gtk::SHADOW_IN);
2263         track_display_frame.add (*v);
2264
2265         track_display_scroller.show();
2266         track_display_frame.show();
2267         track_display.show();
2268 }
2269
2270 void
2271 Mixer_UI::new_track_or_bus ()
2272 {
2273         ARDOUR_UI::instance()->add_route ();
2274 }
2275
2276 void
2277 Mixer_UI::update_title ()
2278 {
2279         if (!own_window()) {
2280                 return;
2281         }
2282
2283         if (_session) {
2284                 string n;
2285
2286                 if (_session->snap_name() != _session->name()) {
2287                         n = _session->snap_name ();
2288                 } else {
2289                         n = _session->name ();
2290                 }
2291
2292                 if (_session->dirty ()) {
2293                         n = "*" + n;
2294                 }
2295
2296                 WindowTitle title (n);
2297                 title += S_("Window|Mixer");
2298                 title += Glib::get_application_name ();
2299                 own_window()->set_title (title.get_string());
2300
2301         } else {
2302
2303                 WindowTitle title (S_("Window|Mixer"));
2304                 title += Glib::get_application_name ();
2305                 own_window()->set_title (title.get_string());
2306         }
2307 }
2308
2309 MixerStrip*
2310 Mixer_UI::strip_by_x (int x)
2311 {
2312         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
2313                 int x1, x2, y;
2314
2315                 (*i)->translate_coordinates (_content, 0, 0, x1, y);
2316                 x2 = x1 + (*i)->get_width();
2317
2318                 if (x >= x1 && x <= x2) {
2319                         return (*i);
2320                 }
2321         }
2322
2323         return 0;
2324 }
2325
2326 void
2327 Mixer_UI::set_axis_targets_for_operation ()
2328 {
2329         _axis_targets.clear ();
2330
2331         if (!_selection.empty()) {
2332                 _axis_targets = _selection.axes;
2333                 return;
2334         }
2335
2336 //  removed "implicit" selections of strips, after discussion on IRC
2337
2338 }
2339
2340 void
2341 Mixer_UI::monitor_section_going_away ()
2342 {
2343         if (_monitor_section) {
2344                 monitor_section_detached ();
2345                 out_packer.remove (_monitor_section->tearoff());
2346                 _monitor_section->set_session (0);
2347                 delete _monitor_section;
2348                 _monitor_section = 0;
2349         }
2350 }
2351
2352 void
2353 Mixer_UI::toggle_midi_input_active (bool flip_others)
2354 {
2355         boost::shared_ptr<RouteList> rl (new RouteList);
2356         bool onoff = false;
2357
2358         set_axis_targets_for_operation ();
2359
2360         for (AxisViewSelection::iterator r = _axis_targets.begin(); r != _axis_targets.end(); ++r) {
2361                 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> ((*r)->stripable());
2362
2363                 if (mt) {
2364                         rl->push_back (mt);
2365                         onoff = !mt->input_active();
2366                 }
2367         }
2368
2369         _session->set_exclusive_input_active (rl, onoff, flip_others);
2370 }
2371
2372 void
2373 Mixer_UI::maximise_mixer_space ()
2374 {
2375         if (!own_window()) {
2376                 return;
2377         }
2378
2379         if (_maximised) {
2380                 return;
2381         }
2382
2383         _window->fullscreen ();
2384         _maximised = true;
2385 }
2386
2387 void
2388 Mixer_UI::restore_mixer_space ()
2389 {
2390         if (!own_window()) {
2391                 return;
2392         }
2393
2394         if (!_maximised) {
2395                 return;
2396         }
2397
2398         own_window()->unfullscreen();
2399         _maximised = false;
2400 }
2401
2402 void
2403 Mixer_UI::monitor_section_attached ()
2404 {
2405         Glib::RefPtr<Action> act = ActionManager::get_action ("Common", "ToggleMonitorSection");
2406         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2407         act->set_sensitive (true);
2408         tact->set_active ();
2409 }
2410
2411 void
2412 Mixer_UI::monitor_section_detached ()
2413 {
2414         Glib::RefPtr<Action> act = ActionManager::get_action ("Common", "ToggleMonitorSection");
2415         act->set_sensitive (false);
2416 }
2417
2418 void
2419 Mixer_UI::store_current_favorite_order ()
2420 {
2421         typedef Gtk::TreeModel::Children type_children;
2422         type_children children = favorite_plugins_model->children();
2423         favorite_order.clear();
2424         for(type_children::iterator iter = children.begin(); iter != children.end(); ++iter)
2425         {
2426                 Gtk::TreeModel::Row row = *iter;
2427                 ARDOUR::PluginPresetPtr ppp = row[favorite_plugins_columns.plugin];
2428                 favorite_order.push_back (ppp->_pip);
2429                 std::string name = row[favorite_plugins_columns.name];
2430                 favorite_ui_state[(*ppp->_pip).unique_id] = favorite_plugins_display.row_expanded (favorite_plugins_model->get_path(iter));
2431         }
2432 }
2433
2434 void
2435 Mixer_UI::save_favorite_ui_state (const TreeModel::iterator& iter, const TreeModel::Path& path)
2436 {
2437         Gtk::TreeModel::Row row = *iter;
2438         ARDOUR::PluginPresetPtr ppp = row[favorite_plugins_columns.plugin];
2439         assert (ppp);
2440         favorite_ui_state[(*ppp->_pip).unique_id] = favorite_plugins_display.row_expanded (favorite_plugins_model->get_path(iter));
2441 }
2442
2443 void
2444 Mixer_UI::refiller (PluginInfoList& result, const PluginInfoList& plugs)
2445 {
2446         PluginManager& manager (PluginManager::instance());
2447         for (PluginInfoList::const_iterator i = plugs.begin(); i != plugs.end(); ++i) {
2448                 if (manager.get_status (*i) != PluginManager::Favorite) {
2449                         continue;
2450                 }
2451                 result.push_back (*i);
2452         }
2453 }
2454
2455 struct PluginCustomSorter {
2456 public:
2457         bool operator() (PluginInfoPtr a, PluginInfoPtr b) const {
2458                 PluginInfoList::const_iterator aiter = _user.begin();
2459                 PluginInfoList::const_iterator biter = _user.begin();
2460                 while (aiter != _user.end()) { if ((*aiter)->unique_id == a->unique_id) { break; } ++aiter; }
2461                 while (biter != _user.end()) { if ((*biter)->unique_id == b->unique_id) { break; } ++biter; }
2462
2463                 if (aiter != _user.end() && biter != _user.end()) {
2464                         return std::distance (_user.begin(), aiter) < std::distance (_user.begin(), biter);
2465                 }
2466                 if (aiter != _user.end()) {
2467                         return true;
2468                 }
2469                 if (biter != _user.end()) {
2470                         return false;
2471                 }
2472                 return ARDOUR::cmp_nocase((*a).name, (*b).name) == -1;
2473         }
2474         PluginCustomSorter(PluginInfoList user) : _user (user)  {}
2475 private:
2476         PluginInfoList _user;
2477 };
2478
2479 void
2480 Mixer_UI::refill_favorite_plugins ()
2481 {
2482         PluginInfoList plugs;
2483         PluginManager& mgr (PluginManager::instance());
2484
2485 #ifdef LV2_SUPPORT
2486         refiller (plugs, mgr.lv2_plugin_info ());
2487 #endif
2488 #ifdef WINDOWS_VST_SUPPORT
2489         refiller (plugs, mgr.windows_vst_plugin_info ());
2490 #endif
2491 #ifdef LXVST_SUPPORT
2492         refiller (plugs, mgr.lxvst_plugin_info ());
2493 #endif
2494 #ifdef MACVST_SUPPORT
2495         refiller (plugs, mgr.mac_vst_plugin_info ());
2496 #endif
2497 #ifdef AUDIOUNIT_SUPPORT
2498         refiller (plugs, mgr.au_plugin_info ());
2499 #endif
2500         refiller (plugs, mgr.ladspa_plugin_info ());
2501         refiller (plugs, mgr.lua_plugin_info ());
2502
2503         store_current_favorite_order ();
2504
2505         PluginCustomSorter cmp (favorite_order);
2506         plugs.sort (cmp);
2507
2508         favorite_order = plugs;
2509
2510         sync_treeview_from_favorite_order ();
2511 }
2512
2513 void
2514 Mixer_UI::sync_treeview_favorite_ui_state (const TreeModel::Path& path, const TreeModel::iterator&)
2515 {
2516         TreeIter iter;
2517         if (!(iter = favorite_plugins_model->get_iter (path))) {
2518                 return;
2519         }
2520         ARDOUR::PluginPresetPtr ppp = (*iter)[favorite_plugins_columns.plugin];
2521         if (!ppp) {
2522                 return;
2523         }
2524         PluginInfoPtr pip = ppp->_pip;
2525         if (favorite_ui_state.find (pip->unique_id) != favorite_ui_state.end ()) {
2526                 if (favorite_ui_state[pip->unique_id]) {
2527                         favorite_plugins_display.expand_row (path, true);
2528                 }
2529         }
2530 }
2531
2532 void
2533 Mixer_UI::sync_treeview_from_favorite_order ()
2534 {
2535         favorite_plugins_model->clear ();
2536         for (PluginInfoList::const_iterator i = favorite_order.begin(); i != favorite_order.end(); ++i) {
2537                 PluginInfoPtr pip = (*i);
2538
2539                 TreeModel::Row newrow = *(favorite_plugins_model->append());
2540                 newrow[favorite_plugins_columns.name] = (*i)->name;
2541                 newrow[favorite_plugins_columns.plugin] = PluginPresetPtr (new PluginPreset(pip));
2542                 if (!_session) {
2543                         continue;
2544                 }
2545
2546                 vector<ARDOUR::Plugin::PresetRecord> presets = (*i)->get_presets (true);
2547                 for (vector<ARDOUR::Plugin::PresetRecord>::const_iterator j = presets.begin(); j != presets.end(); ++j) {
2548                         Gtk::TreeModel::Row child_row = *(favorite_plugins_model->append (newrow.children()));
2549                         child_row[favorite_plugins_columns.name] = (*j).label;
2550                         child_row[favorite_plugins_columns.plugin] = PluginPresetPtr (new PluginPreset(pip, &(*j)));
2551                 }
2552                 if (favorite_ui_state.find (pip->unique_id) != favorite_ui_state.end ()) {
2553                         if (favorite_ui_state[pip->unique_id]) {
2554                                 favorite_plugins_display.expand_row (favorite_plugins_model->get_path(newrow), true);
2555                         }
2556                 }
2557         }
2558 }
2559
2560 void
2561 Mixer_UI::popup_note_context_menu (GdkEventButton *ev)
2562 {
2563         using namespace Gtk::Menu_Helpers;
2564
2565         Gtk::Menu* m = manage (new Menu);
2566         MenuList& items = m->items ();
2567
2568         if (_selection.axes.empty()) {
2569                 items.push_back (MenuElem (_("No Track/Bus is selected.")));
2570         } else {
2571                 items.push_back (MenuElem (_("Add at the top"),
2572                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddTop)));
2573                 items.push_back (MenuElem (_("Add Pre-Fader"),
2574                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddPreFader)));
2575                 items.push_back (MenuElem (_("Add Post-Fader"),
2576                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddPostFader)));
2577                 items.push_back (MenuElem (_("Add at the end"),
2578                                         sigc::bind (sigc::mem_fun (*this, &Mixer_UI::add_selected_processor), AddBottom)));
2579         }
2580
2581         items.push_back (SeparatorElem());
2582
2583         items.push_back (MenuElem (_("Remove from favorites"), sigc::mem_fun (*this, &Mixer_UI::remove_selected_from_favorites)));
2584
2585         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2586         if (ppp && ppp->_preset.valid && ppp->_preset.user) {
2587                 // we cannot currently delete AU presets
2588                 if (!ppp->_pip || ppp->_pip->type != AudioUnit) {
2589                         items.push_back (MenuElem (_("Delete Preset"), sigc::mem_fun (*this, &Mixer_UI::delete_selected_preset)));
2590                 }
2591         }
2592
2593         m->popup (ev->button, ev->time);
2594 }
2595
2596 bool
2597 Mixer_UI::plugin_row_button_press (GdkEventButton *ev)
2598 {
2599         if ((ev->type == GDK_BUTTON_PRESS) && (ev->button == 3) ) {
2600                 TreeModel::Path path;
2601                 TreeViewColumn* column;
2602                 int cellx, celly;
2603                 if (favorite_plugins_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
2604                         Glib::RefPtr<Gtk::TreeView::Selection> selection = favorite_plugins_display.get_selection();
2605                         if (selection) {
2606                                 selection->unselect_all();
2607                                 selection->select(path);
2608                         }
2609                 }
2610                 ARDOUR::PluginPresetPtr ppp = selected_plugin();
2611                 if (ppp) {
2612                         popup_note_context_menu (ev);
2613                 }
2614         }
2615         return false;
2616 }
2617
2618
2619 PluginPresetPtr
2620 Mixer_UI::selected_plugin ()
2621 {
2622         Glib::RefPtr<Gtk::TreeView::Selection> selection = favorite_plugins_display.get_selection();
2623         if (!selection) {
2624                 return PluginPresetPtr();
2625         }
2626         Gtk::TreeModel::iterator iter = selection->get_selected();
2627         if (!iter) {
2628                 return PluginPresetPtr();
2629         }
2630         return (*iter)[favorite_plugins_columns.plugin];
2631 }
2632
2633 void
2634 Mixer_UI::add_selected_processor (ProcessorPosition pos)
2635 {
2636         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2637         if (ppp) {
2638                 add_favorite_processor (ppp, pos);
2639         }
2640 }
2641
2642 void
2643 Mixer_UI::delete_selected_preset ()
2644 {
2645         if (!_session) {
2646                 return;
2647         }
2648         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2649         if (!ppp || !ppp->_preset.valid || !ppp->_preset.user) {
2650                 return;
2651         }
2652         PluginPtr plugin = ppp->_pip->load (*_session);
2653         plugin->get_presets();
2654         plugin->remove_preset (ppp->_preset.label);
2655 }
2656
2657 void
2658 Mixer_UI::remove_selected_from_favorites ()
2659 {
2660         ARDOUR::PluginPresetPtr ppp = selected_plugin();
2661         if (!ppp) {
2662                 return;
2663         }
2664         PluginManager::PluginStatusType status = PluginManager::Normal;
2665         PluginManager& manager (PluginManager::instance());
2666
2667         manager.set_status (ppp->_pip->type, ppp->_pip->unique_id, status);
2668         manager.save_statuses ();
2669 }
2670
2671 void
2672 Mixer_UI::plugin_row_activated (const TreeModel::Path& path, TreeViewColumn* column)
2673 {
2674         TreeIter iter;
2675         if (!(iter = favorite_plugins_model->get_iter (path))) {
2676                 return;
2677         }
2678         ARDOUR::PluginPresetPtr ppp = (*iter)[favorite_plugins_columns.plugin];
2679         add_favorite_processor (ppp, AddPreFader); // TODO: preference?!
2680 }
2681
2682 void
2683 Mixer_UI::add_favorite_processor (ARDOUR::PluginPresetPtr ppp, ProcessorPosition pos)
2684 {
2685         if (!_session || _selection.axes.empty()) {
2686                 return;
2687         }
2688
2689         PluginInfoPtr pip = ppp->_pip;
2690         for (AxisViewSelection::iterator i = _selection.axes.begin(); i != _selection.axes.end(); ++i) {
2691                 boost::shared_ptr<ARDOUR::Route> rt = boost::dynamic_pointer_cast<ARDOUR::Route> ((*i)->stripable());
2692
2693                 if (!rt) {
2694                         continue;
2695                 }
2696
2697                 PluginPtr p = pip->load (*_session);
2698
2699                 if (!p) {
2700                         continue;
2701                 }
2702
2703                 if (ppp->_preset.valid) {
2704                         p->load_preset (ppp->_preset);
2705                 }
2706
2707                 Route::ProcessorStreams err;
2708                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
2709
2710                 switch (pos) {
2711                         case AddTop:
2712                                 rt->add_processor_by_index (processor, 0, &err, Config->get_new_plugins_active ());
2713                                 break;
2714                         case AddPreFader:
2715                                 rt->add_processor (processor, PreFader, &err, Config->get_new_plugins_active ());
2716                                 break;
2717                         case AddPostFader:
2718                                 {
2719                                         int idx = 0;
2720                                         int pos = 0;
2721                                         for (;;++idx) {
2722                                                 boost::shared_ptr<Processor> np = rt->nth_processor (idx);
2723                                                 if (!np) {
2724                                                         break;
2725                                                 }
2726                                                 if (!np->display_to_user()) {
2727                                                         continue;
2728                                                 }
2729                                                 if (boost::dynamic_pointer_cast<Amp> (np) && // Fader, not Trim
2730                                                                 boost::dynamic_pointer_cast<Amp> (np)->gain_control()->parameter().type() == GainAutomation) {
2731                                                         break;
2732                                                 }
2733                                                 ++pos;
2734                                         }
2735                                         rt->add_processor_by_index (processor, ++pos, &err, Config->get_new_plugins_active ());
2736                                 }
2737                                 break;
2738                         case AddBottom:
2739                                 rt->add_processor_by_index (processor, -1, &err, Config->get_new_plugins_active ());
2740                                 break;
2741                 }
2742         }
2743 }
2744
2745 bool
2746 PluginTreeStore::row_drop_possible_vfunc(const Gtk::TreeModel::Path& dest, const Gtk::SelectionData& data) const
2747 {
2748         if (data.get_target() != "GTK_TREE_MODEL_ROW") {
2749                 return false;
2750         }
2751
2752         // only allow to re-order top-level items
2753         TreePath src;
2754         if (TreePath::get_from_selection_data (data, src)) {
2755                 if (src.up() && src.up()) {
2756                         return false;
2757                 }
2758         }
2759
2760         // don't allow to drop as child-rows.
2761         Gtk::TreeModel::Path _dest = dest; // un const
2762         const bool is_child = _dest.up (); // explicit bool for clang
2763         if (!is_child || _dest.empty ()) {
2764                 return true;
2765         }
2766         return false;
2767 }
2768
2769 void
2770 Mixer_UI::plugin_drop (const Glib::RefPtr<Gdk::DragContext>&, const Gtk::SelectionData& data)
2771 {
2772         if (data.get_target() != "PluginPresetPtr") {
2773                 return;
2774         }
2775         if (data.get_length() != sizeof (PluginPresetPtr)) {
2776                 return;
2777         }
2778         const void *d = data.get_data();
2779         const PluginPresetPtr ppp = *(static_cast<const PluginPresetPtr*> (d));
2780
2781         PluginManager::PluginStatusType status = PluginManager::Favorite;
2782         PluginManager& manager (PluginManager::instance());
2783
2784         manager.set_status (ppp->_pip->type, ppp->_pip->unique_id, status);
2785         manager.save_statuses ();
2786 }
2787
2788 void
2789 Mixer_UI::do_vca_assign (boost::shared_ptr<VCA> vca)
2790 {
2791         /* call protected MixerActor:: method */
2792         vca_assign (vca);
2793 }
2794
2795 void
2796 Mixer_UI::do_vca_unassign (boost::shared_ptr<VCA> vca)
2797 {
2798         /* call protected MixerActor:: method */
2799         vca_unassign (vca);
2800 }
2801
2802 void
2803 Mixer_UI::show_vca_slaves (boost::shared_ptr<VCA> vca)
2804 {
2805         boost::shared_ptr<VCA> v = spilled_vca.lock();
2806         if (v != vca) {
2807                 spilled_vca = vca;
2808                 show_vca_change (vca); /* EMIT SIGNAL */
2809                 if (vca) {
2810                         _group_tabs->hide ();
2811                 } else {
2812                         _group_tabs->show ();
2813                 }
2814                 redisplay_track_list ();
2815         }
2816 }
2817
2818 bool
2819 Mixer_UI::showing_vca_slaves_for (boost::shared_ptr<VCA> vca) const
2820 {
2821        return vca == spilled_vca.lock();
2822 }
2823
2824 void
2825 Mixer_UI::register_actions ()
2826 {
2827         Glib::RefPtr<ActionGroup> group = myactions.create_action_group (X_("Mixer"));
2828
2829         myactions.register_action (group, "solo", _("Toggle Solo on Mixer-Selected Tracks/Busses"), sigc::mem_fun (*this, &Mixer_UI::solo_action));
2830         myactions.register_action (group, "mute", _("Toggle Mute on Mixer-Selected Tracks/Busses"), sigc::mem_fun (*this, &Mixer_UI::mute_action));
2831         myactions.register_action (group, "recenable", _("Toggle Rec-enable on Mixer-Selected Tracks/Busses"), sigc::mem_fun (*this, &Mixer_UI::rec_enable_action));
2832         myactions.register_action (group, "increment-gain", _("Decrease Gain on Mixer-Selected Tracks/Busses"), sigc::mem_fun (*this, &Mixer_UI::step_gain_up_action));
2833         myactions.register_action (group, "decrement-gain", _("Increase Gain on Mixer-Selected Tracks/Busses"), sigc::mem_fun (*this, &Mixer_UI::step_gain_down_action));
2834         myactions.register_action (group, "unity-gain", _("Set Gain to 0dB on Mixer-Selected Tracks/Busses"), sigc::mem_fun (*this, &Mixer_UI::unity_gain_action));
2835
2836
2837         myactions.register_action (group, "copy-processors", _("Copy Selected Processors"), sigc::mem_fun (*this, &Mixer_UI::copy_processors));
2838         myactions.register_action (group, "cut-processors", _("Cut Selected Processors"), sigc::mem_fun (*this, &Mixer_UI::cut_processors));
2839         myactions.register_action (group, "paste-processors", _("Paste Selected Processors"), sigc::mem_fun (*this, &Mixer_UI::paste_processors));
2840         myactions.register_action (group, "delete-processors", _("Delete Selected Processors"), sigc::mem_fun (*this, &Mixer_UI::delete_processors));
2841         myactions.register_action (group, "select-all-processors", _("Select All (visible) Processors"), sigc::mem_fun (*this, &Mixer_UI::select_all_processors));
2842         myactions.register_action (group, "toggle-processors", _("Toggle Selected Processors"), sigc::mem_fun (*this, &Mixer_UI::toggle_processors));
2843         myactions.register_action (group, "ab-plugins", _("Toggle Selected Plugins"), sigc::mem_fun (*this, &Mixer_UI::ab_plugins));
2844         myactions.register_action (group, "select-none", _("Deselect all strips and processors"), sigc::mem_fun (*this, &Mixer_UI::select_none));
2845
2846         myactions.register_action (group, "scroll-left", _("Scroll Mixer Window to the left"), sigc::mem_fun (*this, &Mixer_UI::scroll_left));
2847         myactions.register_action (group, "scroll-right", _("Scroll Mixer Window to the right"), sigc::mem_fun (*this, &Mixer_UI::scroll_right));
2848
2849         myactions.register_action (group, "toggle-midi-input-active", _("Toggle MIDI Input Active for Mixer-Selected Tracks/Busses"),
2850                                    sigc::bind (sigc::mem_fun (*this, &Mixer_UI::toggle_midi_input_active), false));
2851 }
2852
2853 void
2854 Mixer_UI::load_bindings ()
2855 {
2856         bindings = Bindings::get_bindings (X_("Mixer"), myactions);
2857 }
2858
2859 template<class T> void
2860 Mixer_UI::control_action (boost::shared_ptr<T> (Stripable::*get_control)() const)
2861 {
2862         boost::shared_ptr<ControlList> cl (new ControlList);
2863         boost::shared_ptr<AutomationControl> ac;
2864         bool val = false;
2865         bool have_val = false;
2866
2867         set_axis_targets_for_operation ();
2868
2869         BOOST_FOREACH(AxisView* r, _axis_targets) {
2870                 boost::shared_ptr<Stripable> s = r->stripable();
2871                 if (s) {
2872                         ac = (s.get()->*get_control)();
2873                         if (ac) {
2874                                 cl->push_back (ac);
2875                                 if (!have_val) {
2876                                         val = !ac->get_value();
2877                                         have_val = true;
2878                                 }
2879                         }
2880                 }
2881         }
2882
2883         _session->set_controls (cl,  val, Controllable::UseGroup);
2884 }
2885
2886 void
2887 Mixer_UI::solo_action ()
2888 {
2889         control_action (&Stripable::solo_control);
2890 }
2891
2892 void
2893 Mixer_UI::mute_action ()
2894 {
2895         control_action (&Stripable::mute_control);
2896 }
2897
2898 void
2899 Mixer_UI::rec_enable_action ()
2900 {
2901         control_action (&Stripable::rec_enable_control);
2902 }
2903
2904 void
2905 Mixer_UI::step_gain_up_action ()
2906 {
2907         set_axis_targets_for_operation ();
2908
2909         BOOST_FOREACH(AxisView* r, _axis_targets) {
2910                 MixerStrip* ms = dynamic_cast<MixerStrip*> (r);
2911                 if (ms) {
2912                         ms->step_gain_up ();
2913                 }
2914         }
2915 }
2916
2917 void
2918 Mixer_UI::step_gain_down_action ()
2919 {
2920         set_axis_targets_for_operation ();
2921
2922         BOOST_FOREACH(AxisView* r, _axis_targets) {
2923                 MixerStrip* ms = dynamic_cast<MixerStrip*> (r);
2924                 if (ms) {
2925                         ms->step_gain_down ();
2926                 }
2927         }
2928 }
2929
2930 void
2931 Mixer_UI::unity_gain_action ()
2932 {
2933         set_axis_targets_for_operation ();
2934
2935         BOOST_FOREACH(AxisView* r, _axis_targets) {
2936                 boost::shared_ptr<Stripable> s = r->stripable();
2937                 if (s) {
2938                         boost::shared_ptr<AutomationControl> ac = s->gain_control();
2939                         if (ac) {
2940                                 ac->set_value (1.0, Controllable::UseGroup);
2941                         }
2942                 }
2943         }
2944 }
2945
2946 void
2947 Mixer_UI::copy_processors ()
2948 {
2949         set_axis_targets_for_operation ();
2950
2951         BOOST_FOREACH(AxisView* r, _axis_targets) {
2952                 MixerStrip* ms = dynamic_cast<MixerStrip*> (r);
2953                 if (ms) {
2954                         ms->copy_processors ();
2955                 }
2956         }
2957 }
2958 void
2959 Mixer_UI::cut_processors ()
2960 {
2961         set_axis_targets_for_operation ();
2962
2963         BOOST_FOREACH(AxisView* r, _axis_targets) {
2964                 MixerStrip* ms = dynamic_cast<MixerStrip*> (r);
2965                 if (ms) {
2966                         ms->cut_processors ();
2967                 }
2968         }
2969 }
2970 void
2971 Mixer_UI::paste_processors ()
2972 {
2973         set_axis_targets_for_operation ();
2974
2975         BOOST_FOREACH(AxisView* r, _axis_targets) {
2976                 MixerStrip* ms = dynamic_cast<MixerStrip*> (r);
2977                 if (ms) {
2978                         ms->paste_processors ();
2979                 }
2980         }
2981 }
2982 void
2983 Mixer_UI::select_all_processors ()
2984 {
2985         set_axis_targets_for_operation ();
2986
2987         BOOST_FOREACH(AxisView* r, _axis_targets) {
2988                 MixerStrip* ms = dynamic_cast<MixerStrip*> (r);
2989                 if (ms) {
2990                         ms->select_all_processors ();
2991                 }
2992         }
2993 }
2994 void
2995 Mixer_UI::toggle_processors ()
2996 {
2997         set_axis_targets_for_operation ();
2998
2999         BOOST_FOREACH(AxisView* r, _axis_targets) {
3000                 MixerStrip* ms = dynamic_cast<MixerStrip*> (r);
3001                 if (ms) {
3002                         ms->toggle_processors ();
3003                 }
3004         }
3005 }
3006 void
3007 Mixer_UI::ab_plugins ()
3008 {
3009         set_axis_targets_for_operation ();
3010
3011         BOOST_FOREACH(AxisView* r, _axis_targets) {
3012                 MixerStrip* ms = dynamic_cast<MixerStrip*> (r);
3013                 if (ms) {
3014                         ms->ab_plugins ();
3015                 }
3016         }
3017 }
3018
3019 void
3020 Mixer_UI::vca_assign (boost::shared_ptr<VCA> vca)
3021 {
3022         set_axis_targets_for_operation ();
3023 #if 0
3024         BOOST_FOREACH(AxisView* r, _axis_targets) {
3025                 MixerStrip* ms = dynamic_cast<MixerStrip*> (r);
3026                 if (ms) {
3027                         ms->vca_assign (vca);
3028                 }
3029         }
3030 #endif
3031 }
3032
3033 void
3034 Mixer_UI::vca_unassign (boost::shared_ptr<VCA> vca)
3035 {
3036         set_axis_targets_for_operation ();
3037 #if 0
3038         BOOST_FOREACH(AxisView* r, _axis_targets) {
3039                 MixerStrip* ms = dynamic_cast<MixerStrip*> (r);
3040                 if (ms) {
3041                         ms->vca_unassign (vca);
3042                 }
3043         }
3044 #endif
3045 }