gtk2_ardour/mixer_ui.cc

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