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