gtk2_ardour/mixer_ui.cc

   1 /*
   2     Copyright (C) 2000-2004 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <algorithm>
  25 #include <map>
  26 #include <sigc++/bind.h>
  27
  28 #include <gtkmm/accelmap.h>
  29
  30 #include "pbd/convert.h"
  31 #include "pbd/unwind.h"
  32
  33 #include <glibmm/threads.h>
  34
  35 #include <gtkmm2ext/gtk_ui.h>
  36 #include <gtkmm2ext/utils.h>
  37 #include <gtkmm2ext/tearoff.h>
  38 #include <gtkmm2ext/window_title.h>
  39
  40 #include "ardour/debug.h"
  41 #include "ardour/midi_track.h"
  42 #include "ardour/plugin_manager.h"
  43 #include "ardour/route_group.h"
  44 #include "ardour/session.h"
  45
  46 #include "keyboard.h"
  47 #include "mixer_ui.h"
  48 #include "mixer_strip.h"
  49 #include "monitor_section.h"
  50 #include "plugin_selector.h"
  51 #include "public_editor.h"
  52 #include "ardour_ui.h"
  53 #include "prompter.h"
  54 #include "utils.h"
  55 #include "route_sorter.h"
  56 #include "actions.h"
  57 #include "gui_thread.h"
  58 #include "mixer_group_tabs.h"
  59
  60 #include "i18n.h"
  61
  62 using namespace ARDOUR;
  63 using namespace PBD;
  64 using namespace Gtk;
  65 using namespace Glib;
  66 using namespace Gtkmm2ext;
  67 using namespace std;
  68
  69 using PBD::atoi;
  70 using PBD::Unwinder;
  71
  72 Mixer_UI* Mixer_UI::_instance = 0;
  73
  74 Mixer_UI*
  75 Mixer_UI::instance ()
  76 {
  77         if (!_instance) {
  78                 _instance  = new Mixer_UI;
  79         }
  80
  81         return _instance;
  82 }
  83
  84 Mixer_UI::Mixer_UI ()
  85         : Window (Gtk::WINDOW_TOPLEVEL)
  86         , VisibilityTracker (*((Gtk::Window*) this))
  87         , _visible (false)
  88         , no_track_list_redisplay (false)
  89         , in_group_row_change (false)
  90         , track_menu (0)
  91         , _monitor_section (0)
  92         , _strip_width (Config->get_default_narrow_ms() ? Narrow : Wide)
  93         , ignore_reorder (false)
  94         , _following_editor_selection (false)
  95 {
  96         /* allow this window to become the key focus window */
  97         set_flags (CAN_FOCUS);
  98
  99         Route::SyncOrderKeys.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::sync_treeview_from_order_keys, this), gui_context());
 100
 101         scroller.set_can_default (true);
 102         set_default (scroller);
 103
 104         scroller_base.set_flags (Gtk::CAN_FOCUS);
 105         scroller_base.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 106         scroller_base.set_name ("MixerWindow");
 107         scroller_base.signal_button_release_event().connect (sigc::mem_fun(*this, &Mixer_UI::strip_scroller_button_release));
 108         // add as last item of strip packer
 109         strip_packer.pack_end (scroller_base, true, true);
 110
 111         _group_tabs = new MixerGroupTabs (this);
 112         VBox* b = manage (new VBox);
 113         b->pack_start (*_group_tabs, PACK_SHRINK);
 114         b->pack_start (strip_packer);
 115         b->show_all ();
 116
 117         scroller.add (*b);
 118         scroller.set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 119
 120         setup_track_display ();
 121
 122         group_model = ListStore::create (group_columns);
 123         group_display.set_model (group_model);
 124         group_display.append_column (_("Group"), group_columns.text);
 125         group_display.append_column (_("Show"), group_columns.visible);
 126         group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 127         group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 128         group_display.get_column (0)->set_expand(true);
 129         group_display.get_column (1)->set_expand(false);
 130         group_display.set_name ("EditGroupList");
 131         group_display.get_selection()->set_mode (Gtk::SELECTION_SINGLE);
 132         group_display.set_reorderable (true);
 133         group_display.set_headers_visible (true);
 134         group_display.set_rules_hint (true);
 135
 136         /* name is directly editable */
 137
 138         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(group_display.get_column_cell_renderer (0));
 139         name_cell->property_editable() = true;
 140         name_cell->signal_edited().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_name_edit));
 141
 142         /* use checkbox for the active column */
 143
 144         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(group_display.get_column_cell_renderer (1));
 145         active_cell->property_activatable() = true;
 146         active_cell->property_radio() = false;
 147
 148         group_model->signal_row_changed().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_row_change));
 149         /* We use this to notice drag-and-drop reorders of the group list */
 150         group_model->signal_row_deleted().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_row_deleted));
 151         group_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::group_display_button_press), false);
 152
 153         group_display_scroller.add (group_display);
 154         group_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 155
 156         HBox* route_group_display_button_box = manage (new HBox());
 157
 158         Button* route_group_add_button = manage (new Button ());
 159         Button* route_group_remove_button = manage (new Button ());
 160
 161         Widget* w;
 162
 163         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 164         w->show();
 165         route_group_add_button->add (*w);
 166
 167         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 168         w->show();
 169         route_group_remove_button->add (*w);
 170
 171         route_group_display_button_box->set_homogeneous (true);
 172
 173         route_group_add_button->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::new_route_group));
 174         route_group_remove_button->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::remove_selected_route_group));
 175
 176         route_group_display_button_box->add (*route_group_add_button);
 177         route_group_display_button_box->add (*route_group_remove_button);
 178
 179         group_display_vbox.pack_start (group_display_scroller, true, true);
 180         group_display_vbox.pack_start (*route_group_display_button_box, false, false);
 181
 182         group_display_frame.set_name ("BaseFrame");
 183         group_display_frame.set_shadow_type (Gtk::SHADOW_IN);
 184         group_display_frame.add (group_display_vbox);
 185
 186         rhs_pane1.pack1 (track_display_frame);
 187         rhs_pane1.pack2 (group_display_frame);
 188
 189         list_vpacker.pack_start (rhs_pane1, true, true);
 190
 191         global_hpacker.pack_start (scroller, true, true);
 192 #ifdef GTKOSX
 193         /* current gtk-quartz has dirty updates on borders like this one */
 194         global_hpacker.pack_start (out_packer, false, false, 0);
 195 #else
 196         global_hpacker.pack_start (out_packer, false, false, 12);
 197 #endif
 198         list_hpane.pack1(list_vpacker, true, true);
 199         list_hpane.pack2(global_hpacker, true, false);
 200
 201         rhs_pane1.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::pane_allocation_handler),
 202                                                         static_cast<Gtk::Paned*> (&rhs_pane1)));
 203         list_hpane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::pane_allocation_handler),
 204                                                          static_cast<Gtk::Paned*> (&list_hpane)));
 205
 206         global_vpacker.pack_start (list_hpane, true, true);
 207
 208         add (global_vpacker);
 209         set_name ("MixerWindow");
 210
 211         update_title ();
 212
 213         set_wmclass (X_("ardour_mixer"), PROGRAM_NAME);
 214
 215         signal_delete_event().connect (sigc::mem_fun (*this, &Mixer_UI::hide_window));
 216         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 217
 218         signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 219
 220         route_group_display_button_box->show();
 221         route_group_add_button->show();
 222         route_group_remove_button->show();
 223
 224         global_hpacker.show();
 225         global_vpacker.show();
 226         scroller.show();
 227         scroller_base.show();
 228         scroller_hpacker.show();
 229         mixer_scroller_vpacker.show();
 230         list_vpacker.show();
 231         group_display_button_label.show();
 232         group_display_button.show();
 233         group_display_scroller.show();
 234         group_display_vbox.show();
 235         group_display_frame.show();
 236         rhs_pane1.show();
 237         strip_packer.show();
 238         out_packer.show();
 239         list_hpane.show();
 240         group_display.show();
 241
 242         _in_group_rebuild_or_clear = false;
 243
 244         MixerStrip::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::remove_strip, this, _1), gui_context());
 245
 246         MonitorSection::setup_knob_images ();
 247
 248 #ifndef DEFER_PLUGIN_SELECTOR_LOAD
 249         _plugin_selector = new PluginSelector (PluginManager::instance ());
 250 #endif
 251 }
 252
 253 Mixer_UI::~Mixer_UI ()
 254 {
 255         if (_monitor_section) {
 256                 delete _monitor_section;
 257         }
 258 }
 259
 260 void
 261 Mixer_UI::track_editor_selection ()
 262 {
 263         PublicEditor::instance().get_selection().TracksChanged.connect (sigc::mem_fun (*this, &Mixer_UI::follow_editor_selection));
 264 }
 265
 266
 267 void
 268 Mixer_UI::ensure_float (Window& win)
 269 {
 270         win.set_transient_for (*this);
 271 }
 272
 273 void
 274 Mixer_UI::show_window ()
 275 {
 276         present ();
 277         if (!_visible) {
 278                 set_window_pos_and_size ();
 279
 280                 /* show/hide group tabs as required */
 281                 parameter_changed ("show-group-tabs");
 282
 283                 /* now reset each strips width so the right widgets are shown */
 284                 MixerStrip* ms;
 285
 286                 TreeModel::Children rows = track_model->children();
 287                 TreeModel::Children::iterator ri;
 288
 289                 for (ri = rows.begin(); ri != rows.end(); ++ri) {
 290                         ms = (*ri)[track_columns.strip];
 291                         ms->set_width_enum (ms->get_width_enum (), ms->width_owner());
 292                         /* Fix visibility of mixer strip stuff */
 293                         ms->parameter_changed (X_("mixer-strip-visibility"));
 294                 }
 295         }
 296
 297         /* force focus into main area */
 298         scroller_base.grab_focus ();
 299
 300         _visible = true;
 301 }
 302
 303 bool
 304 Mixer_UI::hide_window (GdkEventAny *ev)
 305 {
 306         get_window_pos_and_size ();
 307
 308         _visible = false;
 309         return just_hide_it(ev, static_cast<Gtk::Window *>(this));
 310 }
 311
 312
 313 void
 314 Mixer_UI::add_strips (RouteList& routes)
 315 {
 316         MixerStrip* strip;
 317
 318         try {
 319                 no_track_list_redisplay = true;
 320                 track_display.set_model (Glib::RefPtr<ListStore>());
 321
 322                 for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
 323                         boost::shared_ptr<Route> route = (*x);
 324
 325                         if (route->is_auditioner()) {
 326                                 continue;
 327                         }
 328
 329                         if (route->is_monitor()) {
 330
 331                                 if (!_monitor_section) {
 332                                         _monitor_section = new MonitorSection (_session);
 333
 334                                         XMLNode* mnode = ARDOUR_UI::instance()->tearoff_settings (X_("monitor-section"));
 335                                         if (mnode) {
 336                                                 _monitor_section->tearoff().set_state (*mnode);
 337                                         }
 338                                 }
 339
 340                                 out_packer.pack_end (_monitor_section->tearoff(), false, false);
 341                                 _monitor_section->set_session (_session);
 342                                 _monitor_section->tearoff().show_all ();
 343
 344                                 route->DropReferences.connect (*this, invalidator(*this), boost::bind (&Mixer_UI::monitor_section_going_away, this), gui_context());
 345
 346                                 /* no regular strip shown for control out */
 347
 348                                 continue;
 349                         }
 350
 351                         strip = new MixerStrip (*this, _session, route);
 352                         strips.push_back (strip);
 353
 354                         Config->get_default_narrow_ms() ? _strip_width = Narrow : _strip_width = Wide;
 355
 356                         if (strip->width_owner() != strip) {
 357                                 strip->set_width_enum (_strip_width, this);
 358                         }
 359
 360                         show_strip (strip);
 361
 362                         TreeModel::Row row = *(track_model->append());
 363                         row[track_columns.text] = route->name();
 364                         row[track_columns.visible] = strip->route()->is_master() ? true : strip->marked_for_display();
 365                         row[track_columns.route] = route;
 366                         row[track_columns.strip] = strip;
 367
 368                         route->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::strip_property_changed, this, _1, strip), gui_context());
 369
 370                         strip->WidthChanged.connect (sigc::mem_fun(*this, &Mixer_UI::strip_width_changed));
 371                         strip->signal_button_release_event().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::strip_button_release_event), strip));
 372                 }
 373
 374         } catch (...) {
 375         }
 376
 377         no_track_list_redisplay = false;
 378         track_display.set_model (track_model);
 379
 380         sync_order_keys_from_treeview ();
 381         redisplay_track_list ();
 382 }
 383
 384 void
 385 Mixer_UI::remove_strip (MixerStrip* strip)
 386 {
 387         if (_session && _session->deletion_in_progress()) {
 388                 /* its all being taken care of */
 389                 return;
 390         }
 391
 392         TreeModel::Children rows = track_model->children();
 393         TreeModel::Children::iterator ri;
 394         list<MixerStrip *>::iterator i;
 395
 396         if ((i = find (strips.begin(), strips.end(), strip)) != strips.end()) {
 397                 strips.erase (i);
 398         }
 399
 400         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 401                 if ((*ri)[track_columns.strip] == strip) {
 402                         track_model->erase (ri);
 403                         break;
 404                 }
 405         }
 406 }
 407
 408 void
 409 Mixer_UI::reset_remote_control_ids ()
 410 {
 411         if (Config->get_remote_model() == UserOrdered || !_session || _session->deletion_in_progress()) {
 412                 return;
 413         }
 414
 415         TreeModel::Children rows = track_model->children();
 416
 417         if (rows.empty()) {
 418                 return;
 419         }
 420
 421         DEBUG_TRACE (DEBUG::OrderKeys, "mixer resets remote control ids after remote model change\n");
 422
 423         TreeModel::Children::iterator ri;
 424         bool rid_change = false;
 425         uint32_t rid = 1;
 426         uint32_t invisible_key = UINT32_MAX;
 427
 428         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 429                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 430                 bool visible = (*ri)[track_columns.visible];
 431
 432                 if (!route->is_master() && !route->is_monitor()) {
 433
 434                         uint32_t new_rid = (visible ? rid : invisible_key--);
 435
 436                         if (new_rid != route->remote_control_id()) {
 437                                 route->set_remote_control_id_explicit (new_rid);
 438                                 rid_change = true;
 439                         }
 440
 441                         if (visible) {
 442                                 rid++;
 443                         }
 444                 }
 445         }
 446
 447         if (rid_change) {
 448                 /* tell the world that we changed the remote control IDs */
 449                 _session->notify_remote_id_change ();
 450         }
 451 }
 452
 453 void
 454 Mixer_UI::sync_order_keys_from_treeview ()
 455 {
 456         if (ignore_reorder || !_session || _session->deletion_in_progress()) {
 457                 return;
 458         }
 459
 460         TreeModel::Children rows = track_model->children();
 461
 462         if (rows.empty()) {
 463                 return;
 464         }
 465
 466         DEBUG_TRACE (DEBUG::OrderKeys, "mixer sync order keys from model\n");
 467
 468         TreeModel::Children::iterator ri;
 469         bool changed = false;
 470         bool rid_change = false;
 471         uint32_t order = 0;
 472         uint32_t rid = 1;
 473         uint32_t invisible_key = UINT32_MAX;
 474
 475         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 476                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 477                 bool visible = (*ri)[track_columns.visible];
 478
 479                 uint32_t old_key = route->order_key ();
 480
 481                 if (order != old_key) {
 482                         route->set_order_key (order);
 483                         changed = true;
 484                 }
 485
 486                 if ((Config->get_remote_model() == MixerOrdered) && !route->is_master() && !route->is_monitor()) {
 487
 488                         uint32_t new_rid = (visible ? rid : invisible_key--);
 489
 490                         if (new_rid != route->remote_control_id()) {
 491                                 route->set_remote_control_id_explicit (new_rid);
 492                                 rid_change = true;
 493                         }
 494
 495                         if (visible) {
 496                                 rid++;
 497                         }
 498
 499                 }
 500
 501                 ++order;
 502         }
 503
 504         if (changed) {
 505                 /* tell everyone that we changed the mixer sort keys */
 506                 _session->sync_order_keys ();
 507         }
 508
 509         if (rid_change) {
 510                 /* tell the world that we changed the remote control IDs */
 511                 _session->notify_remote_id_change ();
 512         }
 513 }
 514
 515 void
 516 Mixer_UI::sync_treeview_from_order_keys ()
 517 {
 518         if (!_session || _session->deletion_in_progress()) {
 519                 return;
 520         }
 521
 522         DEBUG_TRACE (DEBUG::OrderKeys, "mixer sync model from order keys.\n");
 523
 524         /* we could get here after either a change in the Mixer or Editor sort
 525          * order, but either way, the mixer order keys reflect the intended
 526          * order for the GUI, so reorder the treeview model to match it.
 527          */
 528
 529         vector<int> neworder;
 530         TreeModel::Children rows = track_model->children();
 531         uint32_t old_order = 0;
 532         bool changed = false;
 533
 534         if (rows.empty()) {
 535                 return;
 536         }
 537
 538         OrderKeySortedRoutes sorted_routes;
 539
 540         for (TreeModel::Children::iterator ri = rows.begin(); ri != rows.end(); ++ri, ++old_order) {
 541                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 542                 sorted_routes.push_back (RoutePlusOrderKey (route, old_order, route->order_key ()));
 543         }
 544
 545         SortByNewDisplayOrder cmp;
 546
 547         sort (sorted_routes.begin(), sorted_routes.end(), cmp);
 548         neworder.assign (sorted_routes.size(), 0);
 549
 550         uint32_t n = 0;
 551
 552         for (OrderKeySortedRoutes::iterator sr = sorted_routes.begin(); sr != sorted_routes.end(); ++sr, ++n) {
 553
 554                 neworder[n] = sr->old_display_order;
 555
 556                 if (sr->old_display_order != n) {
 557                         changed = true;
 558                 }
 559
 560                 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("MIXER change order for %1 from %2 to %3\n",
 561                                                                sr->route->name(), sr->old_display_order, n));
 562         }
 563
 564         if (changed) {
 565                 Unwinder<bool> uw (ignore_reorder, true);
 566                 track_model->reorder (neworder);
 567         }
 568
 569         redisplay_track_list ();
 570 }
 571
 572 void
 573 Mixer_UI::follow_editor_selection ()
 574 {
 575         if (!Config->get_link_editor_and_mixer_selection() || _following_editor_selection) {
 576                 return;
 577         }
 578
 579         _following_editor_selection = true;
 580         _selection.block_routes_changed (true);
 581
 582         TrackSelection& s (PublicEditor::instance().get_selection().tracks);
 583
 584         _selection.clear_routes ();
 585
 586         for (TrackViewList::iterator i = s.begin(); i != s.end(); ++i) {
 587                 RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*i);
 588                 if (rtav) {
 589                         MixerStrip* ms = strip_by_route (rtav->route());
 590                         if (ms) {
 591                                 _selection.add (ms);
 592                         }
 593                 }
 594         }
 595
 596         _following_editor_selection = false;
 597         _selection.block_routes_changed (false);
 598 }
 599
 600
 601 MixerStrip*
 602 Mixer_UI::strip_by_route (boost::shared_ptr<Route> r)
 603 {
 604         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 605                 if ((*i)->route() == r) {
 606                         return (*i);
 607                 }
 608         }
 609
 610         return 0;
 611 }
 612
 613 bool
 614 Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
 615 {
 616         if (ev->button == 1) {
 617                 if (_selection.selected (strip)) {
 618                         /* primary-click: toggle selection state of strip */
 619                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 620                                 _selection.remove (strip);
 621                         }
 622                 } else {
 623                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 624                                 _selection.add (strip);
 625                         } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::RangeSelectModifier)) {
 626
 627                                 if (!_selection.selected(strip)) {
 628
 629                                         /* extend selection */
 630
 631                                         vector<MixerStrip*> tmp;
 632                                         bool accumulate = false;
 633
 634                                         tmp.push_back (strip);
 635
 636                                         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
 637                                                 if ((*i) == strip) {
 638                                                         /* hit clicked strip, start accumulating till we hit the first
 639                                                            selected strip
 640                                                         */
 641                                                         if (accumulate) {
 642                                                                 /* done */
 643                                                                 break;
 644                                                         } else {
 645                                                                 accumulate = true;
 646                                                         }
 647                                                 } else if (_selection.selected (*i)) {
 648                                                         /* hit selected strip. if currently accumulating others,
 649                                                            we're done. if not accumulating others, start doing so.
 650                                                         */
 651                                                         if (accumulate) {
 652                                                                 /* done */
 653                                                                 break;
 654                                                         } else {
 655                                                                 accumulate = true;
 656                                                         }
 657                                                 } else {
 658                                                         if (accumulate) {
 659                                                                 tmp.push_back (*i);
 660                                                         }
 661                                                 }
 662                                         }
 663
 664                                         for (vector<MixerStrip*>::iterator i = tmp.begin(); i != tmp.end(); ++i) {
 665                                                 _selection.add (*i);
 666                                         }
 667                                 }
 668
 669                         } else {
 670                                 _selection.set (strip);
 671                         }
 672                 }
 673         }
 674
 675         return true;
 676 }
 677
 678 void
 679 Mixer_UI::set_session (Session* sess)
 680 {
 681         SessionHandlePtr::set_session (sess);
 682
 683         if (_plugin_selector) {
 684                 _plugin_selector->set_session (_session);
 685         }
 686
 687         _group_tabs->set_session (sess);
 688
 689         if (!_session) {
 690                 return;
 691         }
 692
 693         XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
 694         set_state (*node);
 695
 696         update_title ();
 697
 698         initial_track_display ();
 699
 700         _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_strips, this, _1), gui_context());
 701         _session->route_group_added.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_route_group, this, _1), gui_context());
 702         _session->route_group_removed.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 703         _session->route_groups_reordered.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 704         _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context());
 705         _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 706         _session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 707
 708         Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context ());
 709
 710         route_groups_changed ();
 711
 712         if (_visible) {
 713                 show_window();
 714
 715                 /* Bit of a hack; if we're here, we're opening the mixer because of our
 716                    instant XML state having a show-mixer property.  Fix up the corresponding
 717                    action state.
 718                 */
 719                 ActionManager::check_toggleaction ("<Actions>/Common/toggle-mixer");
 720         }
 721
 722         start_updating ();
 723 }
 724
 725 void
 726 Mixer_UI::session_going_away ()
 727 {
 728         ENSURE_GUI_THREAD (*this, &Mixer_UI::session_going_away);
 729
 730         _in_group_rebuild_or_clear = true;
 731         group_model->clear ();
 732         _in_group_rebuild_or_clear = false;
 733
 734         _selection.clear ();
 735         track_model->clear ();
 736
 737         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 738                 delete (*i);
 739         }
 740
 741         if (_monitor_section) {
 742                 _monitor_section->tearoff().hide_visible ();
 743         }
 744
 745         strips.clear ();
 746
 747         stop_updating ();
 748
 749         SessionHandlePtr::session_going_away ();
 750
 751         _session = 0;
 752         update_title ();
 753 }
 754
 755 void
 756 Mixer_UI::track_visibility_changed (std::string const & path)
 757 {
 758         if (_session && _session->deletion_in_progress()) {
 759                 return;
 760         }
 761
 762         TreeIter iter;
 763
 764         if ((iter = track_model->get_iter (path))) {
 765                 MixerStrip* strip = (*iter)[track_columns.strip];
 766                 if (strip) {
 767                         bool visible = (*iter)[track_columns.visible];
 768
 769                         if (strip->set_marked_for_display (!visible)) {
 770                                 update_track_visibility ();
 771                         }
 772                 }
 773         }
 774 }
 775
 776 void
 777 Mixer_UI::update_track_visibility ()
 778 {
 779         TreeModel::Children rows = track_model->children();
 780         TreeModel::Children::iterator i;
 781
 782         {
 783                 Unwinder<bool> uw (no_track_list_redisplay, true);
 784
 785                 for (i = rows.begin(); i != rows.end(); ++i) {
 786                         MixerStrip *strip = (*i)[track_columns.strip];
 787                         (*i)[track_columns.visible] = strip->marked_for_display ();
 788                 }
 789
 790                 /* force route order keys catch up with visibility changes
 791                  */
 792
 793                 sync_order_keys_from_treeview ();
 794         }
 795
 796         redisplay_track_list ();
 797 }
 798
 799 void
 800 Mixer_UI::show_strip (MixerStrip* ms)
 801 {
 802         TreeModel::Children rows = track_model->children();
 803         TreeModel::Children::iterator i;
 804
 805         for (i = rows.begin(); i != rows.end(); ++i) {
 806
 807                 MixerStrip* strip = (*i)[track_columns.strip];
 808                 if (strip == ms) {
 809                         (*i)[track_columns.visible] = true;
 810                         redisplay_track_list ();
 811                         break;
 812                 }
 813         }
 814 }
 815
 816 void
 817 Mixer_UI::hide_strip (MixerStrip* ms)
 818 {
 819         TreeModel::Children rows = track_model->children();
 820         TreeModel::Children::iterator i;
 821
 822         for (i = rows.begin(); i != rows.end(); ++i) {
 823
 824                 MixerStrip* strip = (*i)[track_columns.strip];
 825                 if (strip == ms) {
 826                         (*i)[track_columns.visible] = false;
 827                         redisplay_track_list ();
 828                         break;
 829                 }
 830         }
 831 }
 832
 833 gint
 834 Mixer_UI::start_updating ()
 835 {
 836     fast_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &Mixer_UI::fast_update_strips));
 837     return 0;
 838 }
 839
 840 gint
 841 Mixer_UI::stop_updating ()
 842 {
 843     fast_screen_update_connection.disconnect();
 844     return 0;
 845 }
 846
 847 void
 848 Mixer_UI::fast_update_strips ()
 849 {
 850         if (is_mapped () && _session) {
 851                 for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 852                         (*i)->fast_update ();
 853                 }
 854         }
 855 }
 856
 857 void
 858 Mixer_UI::set_all_strips_visibility (bool yn)
 859 {
 860         TreeModel::Children rows = track_model->children();
 861         TreeModel::Children::iterator i;
 862
 863         {
 864                 Unwinder<bool> uw (no_track_list_redisplay, true);
 865
 866                 for (i = rows.begin(); i != rows.end(); ++i) {
 867
 868                         TreeModel::Row row = (*i);
 869                         MixerStrip* strip = row[track_columns.strip];
 870
 871                         if (strip == 0) {
 872                                 continue;
 873                         }
 874
 875                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
 876                                 continue;
 877                         }
 878
 879                         (*i)[track_columns.visible] = yn;
 880                 }
 881         }
 882
 883         redisplay_track_list ();
 884 }
 885
 886
 887 void
 888 Mixer_UI::set_all_audio_visibility (int tracks, bool yn)
 889 {
 890         TreeModel::Children rows = track_model->children();
 891         TreeModel::Children::iterator i;
 892
 893         {
 894                 Unwinder<bool> uw (no_track_list_redisplay, true);
 895
 896                 for (i = rows.begin(); i != rows.end(); ++i) {
 897                         TreeModel::Row row = (*i);
 898                         MixerStrip* strip = row[track_columns.strip];
 899
 900                         if (strip == 0) {
 901                                 continue;
 902                         }
 903
 904                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
 905                                 continue;
 906                         }
 907
 908                         boost::shared_ptr<AudioTrack> at = strip->audio_track();
 909
 910                         switch (tracks) {
 911                         case 0:
 912                                 (*i)[track_columns.visible] = yn;
 913                                 break;
 914
 915                         case 1:
 916                                 if (at) { /* track */
 917                                         (*i)[track_columns.visible] = yn;
 918                                 }
 919                                 break;
 920
 921                         case 2:
 922                                 if (!at) { /* bus */
 923                                         (*i)[track_columns.visible] = yn;
 924                                 }
 925                                 break;
 926                         }
 927                 }
 928         }
 929
 930         redisplay_track_list ();
 931 }
 932
 933 void
 934 Mixer_UI::hide_all_routes ()
 935 {
 936         set_all_strips_visibility (false);
 937 }
 938
 939 void
 940 Mixer_UI::show_all_routes ()
 941 {
 942         set_all_strips_visibility (true);
 943 }
 944
 945 void
 946 Mixer_UI::show_all_audiobus ()
 947 {
 948         set_all_audio_visibility (2, true);
 949 }
 950 void
 951 Mixer_UI::hide_all_audiobus ()
 952 {
 953         set_all_audio_visibility (2, false);
 954 }
 955
 956 void
 957 Mixer_UI::show_all_audiotracks()
 958 {
 959         set_all_audio_visibility (1, true);
 960 }
 961 void
 962 Mixer_UI::hide_all_audiotracks ()
 963 {
 964         set_all_audio_visibility (1, false);
 965 }
 966
 967 void
 968 Mixer_UI::track_list_reorder (const TreeModel::Path&, const TreeModel::iterator&, int* /*new_order*/)
 969 {
 970         DEBUG_TRACE (DEBUG::OrderKeys, "mixer UI treeview reordered\n");
 971         sync_order_keys_from_treeview ();
 972 }
 973
 974 void
 975 Mixer_UI::track_list_delete (const Gtk::TreeModel::Path&)
 976 {
 977         /* this happens as the second step of a DnD within the treeview as well
 978            as when a row/route is actually deleted.
 979         */
 980         DEBUG_TRACE (DEBUG::OrderKeys, "mixer UI treeview row deleted\n");
 981         sync_order_keys_from_treeview ();
 982 }
 983
 984 void
 985 Mixer_UI::redisplay_track_list ()
 986 {
 987         TreeModel::Children rows = track_model->children();
 988         TreeModel::Children::iterator i;
 989
 990         if (no_track_list_redisplay) {
 991                 return;
 992         }
 993
 994         for (i = rows.begin(); i != rows.end(); ++i) {
 995
 996                 MixerStrip* strip = (*i)[track_columns.strip];
 997
 998                 if (strip == 0) {
 999                         /* we're in the middle of changing a row, don't worry */
1000                         continue;
1001                 }
1002
1003                 bool const visible = (*i)[track_columns.visible];
1004
1005                 if (visible) {
1006                         strip->set_gui_property ("visible", true);
1007
1008                         if (strip->packed()) {
1009
1010                                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
1011                                         out_packer.reorder_child (*strip, -1);
1012
1013                                 } else {
1014                                         strip_packer.reorder_child (*strip, -1); /* put at end */
1015                                 }
1016
1017                         } else {
1018
1019                                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
1020                                         out_packer.pack_start (*strip, false, false);
1021                                 } else {
1022                                         strip_packer.pack_start (*strip, false, false);
1023                                 }
1024                                 strip->set_packed (true);
1025                         }
1026
1027                 } else {
1028
1029                         strip->set_gui_property ("visible", false);
1030
1031                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
1032                                 /* do nothing, these cannot be hidden */
1033                         } else {
1034                                 if (strip->packed()) {
1035                                         strip_packer.remove (*strip);
1036                                         strip->set_packed (false);
1037                                 }
1038                         }
1039                 }
1040         }
1041
1042         _group_tabs->set_dirty ();
1043 }
1044
1045 void
1046 Mixer_UI::strip_width_changed ()
1047 {
1048         _group_tabs->set_dirty ();
1049
1050 #ifdef GTKOSX
1051         TreeModel::Children rows = track_model->children();
1052         TreeModel::Children::iterator i;
1053         long order;
1054
1055         for (order = 0, i = rows.begin(); i != rows.end(); ++i, ++order) {
1056                 MixerStrip* strip = (*i)[track_columns.strip];
1057
1058                 if (strip == 0) {
1059                         continue;
1060                 }
1061
1062                 bool visible = (*i)[track_columns.visible];
1063
1064                 if (visible) {
1065                         strip->queue_draw();
1066                 }
1067         }
1068 #endif
1069
1070 }
1071
1072 struct SignalOrderRouteSorter {
1073     bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
1074             if (a->is_master() || a->is_monitor()) {
1075                     /* "a" is a special route (master, monitor, etc), and comes
1076                      * last in the mixer ordering
1077                      */
1078                     return false;
1079             } else if (b->is_master() || b->is_monitor()) {
1080                     /* everything comes before b */
1081                     return true;
1082             }
1083             return a->order_key () < b->order_key ();
1084
1085     }
1086 };
1087
1088 void
1089 Mixer_UI::initial_track_display ()
1090 {
1091         boost::shared_ptr<RouteList> routes = _session->get_routes();
1092         RouteList copy (*routes);
1093         SignalOrderRouteSorter sorter;
1094
1095         copy.sort (sorter);
1096
1097         {
1098                 Unwinder<bool> uw1 (no_track_list_redisplay, true);
1099                 Unwinder<bool> uw2 (ignore_reorder, true);
1100
1101                 track_model->clear ();
1102                 add_strips (copy);
1103         }
1104
1105         _session->sync_order_keys ();
1106
1107         redisplay_track_list ();
1108 }
1109
1110 void
1111 Mixer_UI::show_track_list_menu ()
1112 {
1113         if (track_menu == 0) {
1114                 build_track_menu ();
1115         }
1116
1117         track_menu->popup (1, gtk_get_current_event_time());
1118 }
1119
1120 bool
1121 Mixer_UI::track_display_button_press (GdkEventButton* ev)
1122 {
1123         if (Keyboard::is_context_menu_event (ev)) {
1124                 show_track_list_menu ();
1125                 return true;
1126         }
1127
1128         return false;
1129 }
1130
1131 void
1132 Mixer_UI::build_track_menu ()
1133 {
1134         using namespace Menu_Helpers;
1135         using namespace Gtk;
1136
1137         track_menu = new Menu;
1138         track_menu->set_name ("ArdourContextMenu");
1139         MenuList& items = track_menu->items();
1140
1141         items.push_back (MenuElem (_("Show All"), sigc::mem_fun(*this, &Mixer_UI::show_all_routes)));
1142         items.push_back (MenuElem (_("Hide All"), sigc::mem_fun(*this, &Mixer_UI::hide_all_routes)));
1143         items.push_back (MenuElem (_("Show All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiotracks)));
1144         items.push_back (MenuElem (_("Hide All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiotracks)));
1145         items.push_back (MenuElem (_("Show All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiobus)));
1146         items.push_back (MenuElem (_("Hide All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiobus)));
1147
1148 }
1149
1150 void
1151 Mixer_UI::strip_property_changed (const PropertyChange& what_changed, MixerStrip* mx)
1152 {
1153         if (!what_changed.contains (ARDOUR::Properties::name)) {
1154                 return;
1155         }
1156
1157         ENSURE_GUI_THREAD (*this, &Mixer_UI::strip_name_changed, what_changed, mx)
1158
1159         TreeModel::Children rows = track_model->children();
1160         TreeModel::Children::iterator i;
1161
1162         for (i = rows.begin(); i != rows.end(); ++i) {
1163                 if ((*i)[track_columns.strip] == mx) {
1164                         (*i)[track_columns.text] = mx->route()->name();
1165                         return;
1166                 }
1167         }
1168
1169         error << _("track display list item for renamed strip not found!") << endmsg;
1170 }
1171
1172 bool
1173 Mixer_UI::group_display_button_press (GdkEventButton* ev)
1174 {
1175         TreeModel::Path path;
1176         TreeViewColumn* column;
1177         int cellx;
1178         int celly;
1179
1180         if (!group_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
1181                 return false;
1182         }
1183
1184         TreeIter iter = group_model->get_iter (path);
1185         if (!iter) {
1186                 return false;
1187         }
1188
1189         RouteGroup* group = (*iter)[group_columns.group];
1190
1191         if (Keyboard::is_context_menu_event (ev)) {
1192                 _group_tabs->get_menu(group)->popup (1, ev->time);
1193                 return true;
1194         }
1195
1196         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
1197         case 0:
1198                 if (Keyboard::is_edit_event (ev)) {
1199                         if (group) {
1200                                 // edit_route_group (group);
1201 #ifdef GTKOSX
1202                                 group_display.queue_draw();
1203 #endif
1204                                 return true;
1205                         }
1206                 }
1207                 break;
1208
1209         case 1:
1210         {
1211                 bool visible = (*iter)[group_columns.visible];
1212                 (*iter)[group_columns.visible] = !visible;
1213 #ifdef GTKOSX
1214                 group_display.queue_draw();
1215 #endif
1216                 return true;
1217         }
1218
1219         default:
1220                 break;
1221         }
1222
1223         return false;
1224  }
1225
1226 void
1227 Mixer_UI::activate_all_route_groups ()
1228 {
1229         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), true));
1230 }
1231
1232 void
1233 Mixer_UI::disable_all_route_groups ()
1234 {
1235         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), false));
1236 }
1237
1238 void
1239 Mixer_UI::route_groups_changed ()
1240 {
1241         ENSURE_GUI_THREAD (*this, &Mixer_UI::route_groups_changed);
1242
1243         _in_group_rebuild_or_clear = true;
1244
1245         /* just rebuild the while thing */
1246
1247         group_model->clear ();
1248
1249         {
1250                 TreeModel::Row row;
1251                 row = *(group_model->append());
1252                 row[group_columns.visible] = true;
1253                 row[group_columns.text] = (_("-all-"));
1254                 row[group_columns.group] = 0;
1255         }
1256
1257         _session->foreach_route_group (sigc::mem_fun (*this, &Mixer_UI::add_route_group));
1258
1259         _group_tabs->set_dirty ();
1260         _in_group_rebuild_or_clear = false;
1261 }
1262
1263 void
1264 Mixer_UI::new_route_group ()
1265 {
1266         RouteList rl;
1267
1268         _group_tabs->run_new_group_dialog (rl);
1269 }
1270
1271 void
1272 Mixer_UI::remove_selected_route_group ()
1273 {
1274         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1275         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
1276
1277         if (rows.empty()) {
1278                 return;
1279         }
1280
1281         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
1282         TreeIter iter;
1283
1284         /* selection mode is single, so rows.begin() is it */
1285
1286         if ((iter = group_model->get_iter (*i))) {
1287
1288                 RouteGroup* rg = (*iter)[group_columns.group];
1289
1290                 if (rg) {
1291                         _session->remove_route_group (*rg);
1292                 }
1293         }
1294 }
1295
1296 void
1297 Mixer_UI::route_group_property_changed (RouteGroup* group, const PropertyChange& change)
1298 {
1299         if (in_group_row_change) {
1300                 return;
1301         }
1302
1303         /* force an update of any mixer strips that are using this group,
1304            otherwise mix group names don't change in mixer strips
1305         */
1306
1307         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
1308                 if ((*i)->route_group() == group) {
1309                         (*i)->route_group_changed();
1310                 }
1311         }
1312
1313         TreeModel::iterator i;
1314         TreeModel::Children rows = group_model->children();
1315         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1316
1317         in_group_row_change = true;
1318
1319         for (i = rows.begin(); i != rows.end(); ++i) {
1320                 if ((*i)[group_columns.group] == group) {
1321                         (*i)[group_columns.visible] = !group->is_hidden ();
1322                         (*i)[group_columns.text] = group->name ();
1323                         break;
1324                 }
1325         }
1326
1327         in_group_row_change = false;
1328
1329         if (change.contains (Properties::name)) {
1330                 _group_tabs->set_dirty ();
1331         }
1332
1333         for (list<MixerStrip*>::iterator j = strips.begin(); j != strips.end(); ++j) {
1334                 if ((*j)->route_group() == group) {
1335                         if (group->is_hidden ()) {
1336                                 hide_strip (*j);
1337                         } else {
1338                                 show_strip (*j);
1339                         }
1340                 }
1341         }
1342 }
1343
1344 void
1345 Mixer_UI::route_group_name_edit (const std::string& path, const std::string& new_text)
1346 {
1347         RouteGroup* group;
1348         TreeIter iter;
1349
1350         if ((iter = group_model->get_iter (path))) {
1351
1352                 if ((group = (*iter)[group_columns.group]) == 0) {
1353                         return;
1354                 }
1355
1356                 if (new_text != group->name()) {
1357                         group->set_name (new_text);
1358                 }
1359         }
1360 }
1361
1362 void
1363 Mixer_UI::route_group_row_change (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator& iter)
1364 {
1365         RouteGroup* group;
1366
1367         if (in_group_row_change) {
1368                 return;
1369         }
1370
1371         if ((group = (*iter)[group_columns.group]) == 0) {
1372                 return;
1373         }
1374
1375         std::string name = (*iter)[group_columns.text];
1376
1377         if (name != group->name()) {
1378                 group->set_name (name);
1379         }
1380
1381         bool hidden = !(*iter)[group_columns.visible];
1382
1383         if (hidden != group->is_hidden ()) {
1384                 group->set_hidden (hidden, this);
1385         }
1386 }
1387
1388 /** Called when a group model row is deleted, but also when the model is
1389  *  reordered by a user drag-and-drop; the latter is what we are
1390  *  interested in here.
1391  */
1392 void
1393 Mixer_UI::route_group_row_deleted (Gtk::TreeModel::Path const &)
1394 {
1395         if (_in_group_rebuild_or_clear) {
1396                 return;
1397         }
1398
1399         /* Re-write the session's route group list so that the new order is preserved */
1400
1401         list<RouteGroup*> new_list;
1402
1403         Gtk::TreeModel::Children children = group_model->children();
1404         for (Gtk::TreeModel::Children::iterator i = children.begin(); i != children.end(); ++i) {
1405                 RouteGroup* g = (*i)[group_columns.group];
1406                 if (g) {
1407                         new_list.push_back (g);
1408                 }
1409         }
1410
1411         _session->reorder_route_groups (new_list);
1412 }
1413
1414
1415 void
1416 Mixer_UI::add_route_group (RouteGroup* group)
1417 {
1418         ENSURE_GUI_THREAD (*this, &Mixer_UI::add_route_group, group)
1419         bool focus = false;
1420
1421         in_group_row_change = true;
1422
1423         TreeModel::Row row = *(group_model->append());
1424         row[group_columns.visible] = !group->is_hidden ();
1425         row[group_columns.group] = group;
1426         if (!group->name().empty()) {
1427                 row[group_columns.text] = group->name();
1428         } else {
1429                 row[group_columns.text] = _("unnamed");
1430                 focus = true;
1431         }
1432
1433         group->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::route_group_property_changed, this, group, _1), gui_context());
1434
1435         if (focus) {
1436                 TreeViewColumn* col = group_display.get_column (0);
1437                 CellRendererText* name_cell = dynamic_cast<CellRendererText*>(group_display.get_column_cell_renderer (0));
1438                 group_display.set_cursor (group_model->get_path (row), *col, *name_cell, true);
1439         }
1440
1441         _group_tabs->set_dirty ();
1442
1443         in_group_row_change = false;
1444 }
1445
1446 bool
1447 Mixer_UI::strip_scroller_button_release (GdkEventButton* ev)
1448 {
1449         using namespace Menu_Helpers;
1450
1451         if (Keyboard::is_context_menu_event (ev)) {
1452                 ARDOUR_UI::instance()->add_route (this);
1453                 return true;
1454         }
1455
1456         return false;
1457 }
1458
1459 void
1460 Mixer_UI::set_strip_width (Width w, bool save)
1461 {
1462         _strip_width = w;
1463
1464         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1465                 (*i)->set_width_enum (w, save ? (*i)->width_owner() : this);
1466         }
1467 }
1468
1469 void
1470 Mixer_UI::set_window_pos_and_size ()
1471 {
1472         resize (m_width, m_height);
1473         move (m_root_x, m_root_y);
1474 }
1475
1476         void
1477 Mixer_UI::get_window_pos_and_size ()
1478 {
1479         get_position(m_root_x, m_root_y);
1480         get_size(m_width, m_height);
1481 }
1482
1483 int
1484 Mixer_UI::set_state (const XMLNode& node)
1485 {
1486         const XMLProperty* prop;
1487         XMLNode* geometry;
1488
1489         m_width = default_width;
1490         m_height = default_height;
1491         m_root_x = 1;
1492         m_root_y = 1;
1493
1494         if ((geometry = find_named_node (node, "geometry")) != 0) {
1495
1496                 XMLProperty* prop;
1497
1498                 if ((prop = geometry->property("x_size")) == 0) {
1499                         prop = geometry->property ("x-size");
1500                 }
1501                 if (prop) {
1502                         m_width = atoi(prop->value());
1503                 }
1504                 if ((prop = geometry->property("y_size")) == 0) {
1505                         prop = geometry->property ("y-size");
1506                 }
1507                 if (prop) {
1508                         m_height = atoi(prop->value());
1509                 }
1510
1511                 if ((prop = geometry->property ("x_pos")) == 0) {
1512                         prop = geometry->property ("x-pos");
1513                 }
1514                 if (prop) {
1515                         m_root_x = atoi (prop->value());
1516
1517                 }
1518                 if ((prop = geometry->property ("y_pos")) == 0) {
1519                         prop = geometry->property ("y-pos");
1520                 }
1521                 if (prop) {
1522                         m_root_y = atoi (prop->value());
1523                 }
1524         }
1525
1526         set_window_pos_and_size ();
1527
1528         if ((prop = node.property ("narrow-strips"))) {
1529                 if (string_is_affirmative (prop->value())) {
1530                         set_strip_width (Narrow);
1531                 } else {
1532                         set_strip_width (Wide);
1533                 }
1534         }
1535
1536         if ((prop = node.property ("show-mixer"))) {
1537                 if (string_is_affirmative (prop->value())) {
1538                        _visible = true;
1539                 }
1540         }
1541
1542         return 0;
1543 }
1544
1545 XMLNode&
1546 Mixer_UI::get_state (void)
1547 {
1548         XMLNode* node = new XMLNode ("Mixer");
1549
1550         if (is_realized()) {
1551                 Glib::RefPtr<Gdk::Window> win = get_window();
1552
1553                 get_window_pos_and_size ();
1554
1555                 XMLNode* geometry = new XMLNode ("geometry");
1556                 char buf[32];
1557                 snprintf(buf, sizeof(buf), "%d", m_width);
1558                 geometry->add_property(X_("x_size"), string(buf));
1559                 snprintf(buf, sizeof(buf), "%d", m_height);
1560                 geometry->add_property(X_("y_size"), string(buf));
1561                 snprintf(buf, sizeof(buf), "%d", m_root_x);
1562                 geometry->add_property(X_("x_pos"), string(buf));
1563                 snprintf(buf, sizeof(buf), "%d", m_root_y);
1564                 geometry->add_property(X_("y_pos"), string(buf));
1565
1566                 // written only for compatibility, they are not used.
1567                 snprintf(buf, sizeof(buf), "%d", 0);
1568                 geometry->add_property(X_("x_off"), string(buf));
1569                 snprintf(buf, sizeof(buf), "%d", 0);
1570                 geometry->add_property(X_("y_off"), string(buf));
1571
1572                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&rhs_pane1)->gobj()));
1573                 geometry->add_property(X_("mixer_rhs_pane1_pos"), string(buf));
1574                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&list_hpane)->gobj()));
1575                 geometry->add_property(X_("mixer_list_hpane_pos"), string(buf));
1576
1577                 node->add_child_nocopy (*geometry);
1578         }
1579
1580         node->add_property ("narrow-strips", _strip_width == Narrow ? "yes" : "no");
1581
1582         node->add_property ("show-mixer", _visible ? "yes" : "no");
1583
1584         return *node;
1585 }
1586
1587
1588 void
1589 Mixer_UI::pane_allocation_handler (Allocation&, Gtk::Paned* which)
1590 {
1591         int pos;
1592         XMLProperty* prop = 0;
1593         char buf[32];
1594         XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
1595         XMLNode* geometry;
1596         int height;
1597         static int32_t done[3] = { 0, 0, 0 };
1598
1599         height = default_height;
1600
1601         if ((geometry = find_named_node (*node, "geometry")) != 0) {
1602
1603                 if ((prop = geometry->property ("y_size")) == 0) {
1604                         prop = geometry->property ("y-size");
1605                 }
1606                 if (prop) {
1607                         height = atoi (prop->value());
1608                 }
1609         }
1610
1611         if (which == static_cast<Gtk::Paned*> (&rhs_pane1)) {
1612
1613                 if (done[0]) {
1614                         return;
1615                 }
1616
1617                 if (!geometry || (prop = geometry->property("mixer-rhs-pane1-pos")) == 0) {
1618                         pos = height / 3;
1619                         snprintf (buf, sizeof(buf), "%d", pos);
1620                 } else {
1621                         pos = atoi (prop->value());
1622                 }
1623
1624                 if ((done[0] = GTK_WIDGET(rhs_pane1.gobj())->allocation.height > pos)) {
1625                         rhs_pane1.set_position (pos);
1626                 }
1627
1628         } else if (which == static_cast<Gtk::Paned*> (&list_hpane)) {
1629
1630                 if (done[2]) {
1631                         return;
1632                 }
1633
1634                 if (!geometry || (prop = geometry->property("mixer-list-hpane-pos")) == 0) {
1635                         pos = 75;
1636                         snprintf (buf, sizeof(buf), "%d", pos);
1637                 } else {
1638                         pos = atoi (prop->value());
1639                 }
1640
1641                 if ((done[2] = GTK_WIDGET(list_hpane.gobj())->allocation.width > pos)) {
1642                         list_hpane.set_position (pos);
1643                 }
1644         }
1645 }
1646 void
1647 Mixer_UI::scroll_left ()
1648 {
1649         if (!scroller.get_hscrollbar()) return;
1650         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
1651         /* stupid GTK: can't rely on clamping across versions */
1652         scroller.get_hscrollbar()->set_value (max (adj->get_lower(), adj->get_value() - adj->get_step_increment()));
1653 }
1654
1655 void
1656 Mixer_UI::scroll_right ()
1657 {
1658         if (!scroller.get_hscrollbar()) return;
1659         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
1660         /* stupid GTK: can't rely on clamping across versions */
1661         scroller.get_hscrollbar()->set_value (min (adj->get_upper(), adj->get_value() + adj->get_step_increment()));
1662 }
1663
1664 bool
1665 Mixer_UI::on_key_press_event (GdkEventKey* ev)
1666 {
1667         /* focus widget gets first shot, then bindings, otherwise
1668            forward to main window
1669         */
1670
1671         if (gtk_window_propagate_key_event (GTK_WINDOW(gobj()), ev)) {
1672                 return true;
1673         }
1674
1675         KeyboardKey k (ev->state, ev->keyval);
1676
1677         if (bindings.activate (k, Bindings::Press)) {
1678                 return true;
1679         }
1680
1681         return forward_key_press (ev);
1682 }
1683
1684 bool
1685 Mixer_UI::on_key_release_event (GdkEventKey* ev)
1686 {
1687         if (gtk_window_propagate_key_event (GTK_WINDOW(gobj()), ev)) {
1688                 return true;
1689         }
1690
1691         KeyboardKey k (ev->state, ev->keyval);
1692
1693         if (bindings.activate (k, Bindings::Release)) {
1694                 return true;
1695         }
1696
1697         /* don't forward releases */
1698
1699         return true;
1700 }
1701
1702 bool
1703 Mixer_UI::on_scroll_event (GdkEventScroll* ev)
1704 {
1705         switch (ev->direction) {
1706         case GDK_SCROLL_LEFT:
1707                 scroll_left ();
1708                 return true;
1709         case GDK_SCROLL_UP:
1710                 if (ev->state & Keyboard::TertiaryModifier) {
1711                         scroll_left ();
1712                         return true;
1713                 }
1714                 return false;
1715
1716         case GDK_SCROLL_RIGHT:
1717                 scroll_right ();
1718                 return true;
1719
1720         case GDK_SCROLL_DOWN:
1721                 if (ev->state & Keyboard::TertiaryModifier) {
1722                         scroll_right ();
1723                         return true;
1724                 }
1725                 return false;
1726         }
1727
1728         return false;
1729 }
1730
1731
1732 void
1733 Mixer_UI::parameter_changed (string const & p)
1734 {
1735         if (p == "show-group-tabs") {
1736                 bool const s = _session->config.get_show_group_tabs ();
1737                 if (s) {
1738                         _group_tabs->show ();
1739                 } else {
1740                         _group_tabs->hide ();
1741                 }
1742         } else if (p == "default-narrow_ms") {
1743                 bool const s = Config->get_default_narrow_ms ();
1744                 for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1745                         (*i)->set_width_enum (s ? Narrow : Wide, this);
1746                 }
1747         } else if (p == "remote-model") {
1748                 reset_remote_control_ids ();
1749         }
1750 }
1751
1752 void
1753 Mixer_UI::set_route_group_activation (RouteGroup* g, bool a)
1754 {
1755         g->set_active (a, this);
1756 }
1757
1758 PluginSelector*
1759 Mixer_UI::plugin_selector()
1760 {
1761 #ifdef DEFER_PLUGIN_SELECTOR_LOAD
1762         if (!_plugin_selector)
1763                 _plugin_selector = new PluginSelector (PluginManager::instance());
1764 #endif
1765
1766         return _plugin_selector;
1767 }
1768
1769 void
1770 Mixer_UI::setup_track_display ()
1771 {
1772         track_model = ListStore::create (track_columns);
1773         track_display.set_model (track_model);
1774         track_display.append_column (_("Strips"), track_columns.text);
1775         track_display.append_column (_("Show"), track_columns.visible);
1776         track_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
1777         track_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
1778         track_display.get_column (0)->set_expand(true);
1779         track_display.get_column (1)->set_expand(false);
1780         track_display.set_name (X_("EditGroupList"));
1781         track_display.get_selection()->set_mode (Gtk::SELECTION_NONE);
1782         track_display.set_reorderable (true);
1783         track_display.set_headers_visible (true);
1784
1785         track_model->signal_row_deleted().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_delete));
1786         track_model->signal_rows_reordered().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_reorder));
1787
1788         CellRendererToggle* track_list_visible_cell = dynamic_cast<CellRendererToggle*>(track_display.get_column_cell_renderer (1));
1789         track_list_visible_cell->property_activatable() = true;
1790         track_list_visible_cell->property_radio() = false;
1791         track_list_visible_cell->signal_toggled().connect (sigc::mem_fun (*this, &Mixer_UI::track_visibility_changed));
1792
1793         track_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::track_display_button_press), false);
1794
1795         track_display_scroller.add (track_display);
1796         track_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1797
1798         VBox* v = manage (new VBox);
1799         v->show ();
1800         v->pack_start (track_display_scroller, true, true);
1801
1802         Button* b = manage (new Button);
1803         b->show ();
1804         Widget* w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
1805         w->show ();
1806         b->add (*w);
1807
1808         b->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::new_track_or_bus));
1809
1810         v->pack_start (*b, false, false);
1811
1812         track_display_frame.set_name("BaseFrame");
1813         track_display_frame.set_shadow_type (Gtk::SHADOW_IN);
1814         track_display_frame.add (*v);
1815
1816         track_display_scroller.show();
1817         track_display_frame.show();
1818         track_display.show();
1819 }
1820
1821 void
1822 Mixer_UI::new_track_or_bus ()
1823 {
1824         ARDOUR_UI::instance()->add_route (this);
1825 }
1826
1827
1828 void
1829 Mixer_UI::update_title ()
1830 {
1831         if (_session) {
1832                 string n;
1833
1834                 if (_session->snap_name() != _session->name()) {
1835                         n = _session->snap_name ();
1836                 } else {
1837                         n = _session->name ();
1838                 }
1839
1840                 if (_session->dirty ()) {
1841                         n = "*" + n;
1842                 }
1843
1844                 WindowTitle title (n);
1845                 title += S_("Window|Mixer");
1846                 title += Glib::get_application_name ();
1847                 set_title (title.get_string());
1848
1849         } else {
1850
1851                 WindowTitle title (S_("Window|Mixer"));
1852                 title += Glib::get_application_name ();
1853                 set_title (title.get_string());
1854         }
1855 }
1856
1857 MixerStrip*
1858 Mixer_UI::strip_by_x (int x)
1859 {
1860         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1861                 int x1, x2, y;
1862
1863                 (*i)->translate_coordinates (*this, 0, 0, x1, y);
1864                 x2 = x1 + (*i)->get_width();
1865
1866                 if (x >= x1 && x <= x2) {
1867                         return (*i);
1868                 }
1869         }
1870
1871         return 0;
1872 }
1873
1874 void
1875 Mixer_UI::set_route_targets_for_operation ()
1876 {
1877         _route_targets.clear ();
1878
1879         if (!_selection.empty()) {
1880                 _route_targets = _selection.routes;
1881                 return;
1882         }
1883
1884         /* nothing selected ... try to get mixer strip at mouse */
1885
1886         int x, y;
1887         get_pointer (x, y);
1888
1889         MixerStrip* ms = strip_by_x (x);
1890
1891         if (ms) {
1892                 _route_targets.insert (ms);
1893         }
1894 }
1895
1896 void
1897 Mixer_UI::monitor_section_going_away ()
1898 {
1899         if (_monitor_section) {
1900                 out_packer.remove (_monitor_section->tearoff());
1901                 _monitor_section->set_session (0);
1902         }
1903 }
1904
1905 void
1906 Mixer_UI::toggle_midi_input_active (bool flip_others)
1907 {
1908         boost::shared_ptr<RouteList> rl (new RouteList);
1909         bool onoff = false;
1910
1911         set_route_targets_for_operation ();
1912
1913         for (RouteUISelection::iterator r = _route_targets.begin(); r != _route_targets.end(); ++r) {
1914                 boost::shared_ptr<MidiTrack> mt = (*r)->midi_track();
1915
1916                 if (mt) {
1917                         rl->push_back ((*r)->route());
1918                         onoff = !mt->input_active();
1919                 }
1920         }
1921
1922         _session->set_exclusive_input_active (rl, onoff, flip_others);
1923 }
1924