gtk2_ardour/mixer_ui.cc

   1 /*
   2     Copyright (C) 2000-2004 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <algorithm>
  25 #include <map>
  26 #include <sigc++/bind.h>
  27
  28 #include <gtkmm/accelmap.h>
  29
  30 #include "pbd/convert.h"
  31 #include "pbd/stacktrace.h"
  32 #include "pbd/unwind.h"
  33
  34 #include <glibmm/thread.h>
  35
  36 #include <gtkmm2ext/gtk_ui.h>
  37 #include <gtkmm2ext/utils.h>
  38 #include <gtkmm2ext/tearoff.h>
  39 #include <gtkmm2ext/window_title.h>
  40
  41 #include "ardour/debug.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 "actions.h"
  56 #include "gui_thread.h"
  57 #include "mixer_group_tabs.h"
  58
  59 #include "i18n.h"
  60
  61 using namespace ARDOUR;
  62 using namespace PBD;
  63 using namespace Gtk;
  64 using namespace Glib;
  65 using namespace Gtkmm2ext;
  66 using namespace std;
  67
  68 using PBD::atoi;
  69 using PBD::Unwinder;
  70
  71 Mixer_UI* Mixer_UI::_instance = 0;
  72
  73 Mixer_UI*
  74 Mixer_UI::instance ()
  75 {
  76         if (!_instance) {
  77                 _instance  = new Mixer_UI;
  78         }
  79
  80         return _instance;
  81 }
  82
  83 Mixer_UI::Mixer_UI ()
  84         : Window (Gtk::WINDOW_TOPLEVEL)
  85         , _visible (false)
  86         , no_track_list_redisplay (false)
  87         , in_group_row_change (false)
  88         , track_menu (0)
  89         , _monitor_section (0)
  90         , _strip_width (Config->get_default_narrow_ms() ? Narrow : Wide)
  91         , ignore_reorder (false)
  92         , _following_editor_selection (false)
  93 {
  94         /* allow this window to become the key focus window */
  95         set_flags (CAN_FOCUS);
  96
  97         Route::SyncOrderKeys.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::sync_model_from_order_keys, this, _1), gui_context());
  98
  99         scroller_base.set_flags (Gtk::CAN_FOCUS);
 100         scroller_base.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 101         scroller_base.set_name ("MixerWindow");
 102         scroller_base.signal_button_release_event().connect (sigc::mem_fun(*this, &Mixer_UI::strip_scroller_button_release));
 103         // add as last item of strip packer
 104         strip_packer.pack_end (scroller_base, true, true);
 105
 106         _group_tabs = new MixerGroupTabs (this);
 107         VBox* b = manage (new VBox);
 108         b->pack_start (*_group_tabs, PACK_SHRINK);
 109         b->pack_start (strip_packer);
 110         b->show_all ();
 111
 112         scroller.add (*b);
 113         scroller.set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 114
 115         setup_track_display ();
 116
 117         group_model = ListStore::create (group_columns);
 118         group_display.set_model (group_model);
 119         group_display.append_column (_("Group"), group_columns.text);
 120         group_display.append_column (_("Show"), group_columns.visible);
 121         group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 122         group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 123         group_display.get_column (0)->set_expand(true);
 124         group_display.get_column (1)->set_expand(false);
 125         group_display.set_name ("MixerGroupList");
 126         group_display.get_selection()->set_mode (Gtk::SELECTION_SINGLE);
 127         group_display.set_reorderable (true);
 128         group_display.set_headers_visible (true);
 129         group_display.set_rules_hint (true);
 130
 131         /* name is directly editable */
 132
 133         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(group_display.get_column_cell_renderer (0));
 134         name_cell->property_editable() = true;
 135         name_cell->signal_edited().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_name_edit));
 136
 137         /* use checkbox for the active column */
 138
 139         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(group_display.get_column_cell_renderer (1));
 140         active_cell->property_activatable() = true;
 141         active_cell->property_radio() = false;
 142
 143         group_model->signal_row_changed().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_row_change));
 144         /* We use this to notice drag-and-drop reorders of the group list */
 145         group_model->signal_row_deleted().connect (sigc::mem_fun (*this, &Mixer_UI::route_group_row_deleted));
 146         group_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::group_display_button_press), false);
 147
 148         group_display_scroller.add (group_display);
 149         group_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 150
 151         HBox* route_group_display_button_box = manage (new HBox());
 152
 153         Button* route_group_add_button = manage (new Button ());
 154         Button* route_group_remove_button = manage (new Button ());
 155
 156         Widget* w;
 157
 158         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 159         w->show();
 160         route_group_add_button->add (*w);
 161
 162         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 163         w->show();
 164         route_group_remove_button->add (*w);
 165
 166         route_group_display_button_box->set_homogeneous (true);
 167
 168         route_group_add_button->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::new_route_group));
 169         route_group_remove_button->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::remove_selected_route_group));
 170
 171         route_group_display_button_box->add (*route_group_add_button);
 172         route_group_display_button_box->add (*route_group_remove_button);
 173
 174         group_display_vbox.pack_start (group_display_scroller, true, true);
 175         group_display_vbox.pack_start (*route_group_display_button_box, false, false);
 176
 177         group_display_frame.set_name ("BaseFrame");
 178         group_display_frame.set_shadow_type (Gtk::SHADOW_IN);
 179         group_display_frame.add (group_display_vbox);
 180
 181         rhs_pane1.pack1 (track_display_frame);
 182         rhs_pane1.pack2 (group_display_frame);
 183
 184         list_vpacker.pack_start (rhs_pane1, true, true);
 185
 186         global_hpacker.pack_start (scroller, true, true);
 187 #ifdef GTKOSX
 188         /* current gtk-quartz has dirty updates on borders like this one */
 189         global_hpacker.pack_start (out_packer, false, false, 0);
 190 #else
 191         global_hpacker.pack_start (out_packer, false, false, 12);
 192 #endif
 193         list_hpane.pack1(list_vpacker, true, true);
 194         list_hpane.pack2(global_hpacker, true, false);
 195
 196         rhs_pane1.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::pane_allocation_handler),
 197                                                         static_cast<Gtk::Paned*> (&rhs_pane1)));
 198         list_hpane.signal_size_allocate().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::pane_allocation_handler),
 199                                                          static_cast<Gtk::Paned*> (&list_hpane)));
 200
 201         global_vpacker.pack_start (list_hpane, true, true);
 202
 203         add (global_vpacker);
 204         set_name ("MixerWindow");
 205
 206         update_title ();
 207
 208         set_wmclass (X_("ardour_mixer"), PROGRAM_NAME);
 209
 210         signal_delete_event().connect (sigc::mem_fun (*this, &Mixer_UI::hide_window));
 211         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 212
 213         signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 214
 215         route_group_display_button_box->show();
 216         route_group_add_button->show();
 217         route_group_remove_button->show();
 218
 219         global_hpacker.show();
 220         global_vpacker.show();
 221         scroller.show();
 222         scroller_base.show();
 223         scroller_hpacker.show();
 224         mixer_scroller_vpacker.show();
 225         list_vpacker.show();
 226         group_display_button_label.show();
 227         group_display_button.show();
 228         group_display_scroller.show();
 229         group_display_vbox.show();
 230         group_display_frame.show();
 231         rhs_pane1.show();
 232         strip_packer.show();
 233         out_packer.show();
 234         list_hpane.show();
 235         group_display.show();
 236
 237         _in_group_rebuild_or_clear = false;
 238
 239         MixerStrip::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::remove_strip, this, _1), gui_context());
 240
 241         MonitorSection::setup_knob_images ();
 242
 243 #ifndef DEFER_PLUGIN_SELECTOR_LOAD
 244         _plugin_selector = new PluginSelector (PluginManager::instance ());
 245 #endif
 246 }
 247
 248 Mixer_UI::~Mixer_UI ()
 249 {
 250         if (_monitor_section) {
 251                 delete _monitor_section;
 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_strips (RouteList& routes)
 310 {
 311         MixerStrip* strip;
 312
 313         {
 314                 Unwinder<bool> uw (no_track_list_redisplay, true);
 315
 316                 for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
 317                         boost::shared_ptr<Route> route = (*x);
 318
 319                         if (route->is_hidden()) {
 320                                 continue;
 321                         }
 322
 323                         if (route->is_monitor()) {
 324
 325                                 if (!_monitor_section) {
 326                                         _monitor_section = new MonitorSection (_session);
 327
 328                                         XMLNode* mnode = ARDOUR_UI::instance()->tearoff_settings (X_("monitor-section"));
 329                                         if (mnode) {
 330                                                 _monitor_section->tearoff().set_state (*mnode);
 331                                         }
 332                                 }
 333
 334                                 out_packer.pack_end (_monitor_section->tearoff(), false, false);
 335                                 _monitor_section->set_session (_session);
 336                                 _monitor_section->tearoff().show_all ();
 337
 338                                 route->DropReferences.connect (*this, invalidator(*this), boost::bind (&Mixer_UI::monitor_section_going_away, this), gui_context());
 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                         route->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::strip_property_changed, this, _1, strip), gui_context());
 363
 364                         strip->WidthChanged.connect (sigc::mem_fun(*this, &Mixer_UI::strip_width_changed));
 365                         strip->signal_button_release_event().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::strip_button_release_event), strip));
 366                 }
 367         }
 368
 369         sync_order_keys_from_model ();
 370         redisplay_track_list ();
 371 }
 372
 373 void
 374 Mixer_UI::remove_strip (MixerStrip* strip)
 375 {
 376         if (_session && _session->deletion_in_progress()) {
 377                 /* its all being taken care of */
 378                 return;
 379         }
 380
 381         TreeModel::Children rows = track_model->children();
 382         TreeModel::Children::iterator ri;
 383         list<MixerStrip *>::iterator i;
 384
 385         if ((i = find (strips.begin(), strips.end(), strip)) != strips.end()) {
 386                 strips.erase (i);
 387         }
 388
 389         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 390                 if ((*ri)[track_columns.strip] == strip) {
 391                         track_model->erase (ri);
 392                         break;
 393                 }
 394         }
 395 }
 396
 397 void
 398 Mixer_UI::sync_order_keys_from_model ()
 399 {
 400         if (ignore_reorder || !_session || _session->deletion_in_progress()) {
 401                 return;
 402         }
 403
 404         TreeModel::Children rows = track_model->children();
 405
 406         if (rows.empty()) {
 407                 return;
 408         }
 409
 410         DEBUG_TRACE (DEBUG::OrderKeys, "mixer sync order keys from model\n");
 411
 412         TreeModel::Children::iterator ri;
 413         bool changed = false;
 414         uint32_t order = 0;
 415
 416         for (ri = rows.begin(); ri != rows.end(); ++ri, ++order) {
 417                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 418                 uint32_t old_key = route->order_key (MixerSort);
 419
 420                 if (old_key != order) {
 421                         route->set_order_key (MixerSort, order);
 422                         changed = true;
 423                 }
 424         }
 425
 426         if (changed) {
 427                 /* tell everyone that we changed the mixer sort keys */
 428                 _session->sync_order_keys (MixerSort);
 429         }
 430 }
 431
 432 void
 433 Mixer_UI::sync_model_from_order_keys (RouteSortOrderKey src)
 434 {
 435         if (!_session || _session->deletion_in_progress()) {
 436                 return;
 437         }
 438
 439         DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("mixer sync model from order keys, src = %1\n", enum_2_string (src)));
 440
 441         if (src == EditorSort) {
 442
 443                 if (!Config->get_sync_all_route_ordering()) {
 444                         /* editor sort keys changed - we don't care */
 445                         return;
 446                 }
 447
 448                 DEBUG_TRACE (DEBUG::OrderKeys, "reset mixer order key to match editor\n");
 449
 450                 /* editor sort keys were changed, update the mixer sort
 451                  * keys since "sync mixer+editor order" is enabled.
 452                  */
 453
 454                 boost::shared_ptr<RouteList> r = _session->get_routes ();
 455
 456                 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
 457                         (*i)->sync_order_keys (src);
 458                 }
 459         }
 460
 461         /* we could get here after either a change in the Mixer or Editor sort
 462          * order, but either way, the mixer order keys reflect the intended
 463          * order for the GUI, so reorder the treeview model to match it.
 464          */
 465
 466         vector<int> neworder;
 467         TreeModel::Children rows = track_model->children();
 468         uint32_t n = 0;
 469         bool changed = false;
 470
 471         if (rows.empty()) {
 472                 return;
 473         }
 474
 475         neworder.assign (rows.size(), 0);
 476
 477         for (TreeModel::Children::iterator ri = rows.begin(); ri != rows.end(); ++ri, ++n) {
 478                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 479                 uint32_t o = route->order_key (MixerSort);
 480
 481                 neworder[o] = n;
 482
 483                 if (o != n) {
 484                         changed = true;
 485                 }
 486
 487                 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("mixer change order for %1 to %2\n",
 488                                                                route->name(), route->order_key (MixerSort)));
 489         }
 490
 491         if (changed) {
 492                 Unwinder<bool> uw (ignore_reorder, true);
 493                 track_model->reorder (neworder);
 494         }
 495
 496         redisplay_track_list ();
 497 }
 498
 499 void
 500 Mixer_UI::follow_editor_selection ()
 501 {
 502         if (!Config->get_link_editor_and_mixer_selection() || _following_editor_selection) {
 503                 return;
 504         }
 505
 506         _following_editor_selection = true;
 507         _selection.block_routes_changed (true);
 508
 509         TrackSelection& s (PublicEditor::instance().get_selection().tracks);
 510
 511         _selection.clear_routes ();
 512
 513         for (TrackViewList::iterator i = s.begin(); i != s.end(); ++i) {
 514                 RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*i);
 515                 if (rtav) {
 516                         MixerStrip* ms = strip_by_route (rtav->route());
 517                         if (ms) {
 518                                 _selection.add (ms);
 519                         }
 520                 }
 521         }
 522
 523         _following_editor_selection = false;
 524         _selection.block_routes_changed (false);
 525 }
 526
 527
 528 MixerStrip*
 529 Mixer_UI::strip_by_route (boost::shared_ptr<Route> r)
 530 {
 531         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 532                 if ((*i)->route() == r) {
 533                         return (*i);
 534                 }
 535         }
 536
 537         return 0;
 538 }
 539
 540 bool
 541 Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
 542 {
 543         if (ev->button == 1) {
 544                 if (_selection.selected (strip)) {
 545                         /* primary-click: toggle selection state of strip */
 546                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 547                                 _selection.remove (strip);
 548                         }
 549                 } else {
 550                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 551                                 _selection.add (strip);
 552                         } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::RangeSelectModifier)) {
 553
 554                                 if (!_selection.selected(strip)) {
 555
 556                                         /* extend selection */
 557
 558                                         vector<MixerStrip*> tmp;
 559                                         bool accumulate = false;
 560
 561                                         tmp.push_back (strip);
 562
 563                                         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
 564                                                 if ((*i) == strip) {
 565                                                         /* hit clicked strip, start accumulating till we hit the first
 566                                                            selected strip
 567                                                         */
 568                                                         if (accumulate) {
 569                                                                 /* done */
 570                                                                 break;
 571                                                         } else {
 572                                                                 accumulate = true;
 573                                                         }
 574                                                 } else if (_selection.selected (*i)) {
 575                                                         /* hit selected strip. if currently accumulating others,
 576                                                            we're done. if not accumulating others, start doing so.
 577                                                         */
 578                                                         if (accumulate) {
 579                                                                 /* done */
 580                                                                 break;
 581                                                         } else {
 582                                                                 accumulate = true;
 583                                                         }
 584                                                 } else {
 585                                                         if (accumulate) {
 586                                                                 tmp.push_back (*i);
 587                                                         }
 588                                                 }
 589                                         }
 590
 591                                         for (vector<MixerStrip*>::iterator i = tmp.begin(); i != tmp.end(); ++i) {
 592                                                 _selection.add (*i);
 593                                         }
 594                                 }
 595
 596                         } else {
 597                                 _selection.set (strip);
 598                         }
 599                 }
 600         }
 601
 602         return true;
 603 }
 604
 605 void
 606 Mixer_UI::set_session (Session* sess)
 607 {
 608         SessionHandlePtr::set_session (sess);
 609
 610         if (_plugin_selector) {
 611                 _plugin_selector->set_session (_session);
 612         }
 613
 614         _group_tabs->set_session (sess);
 615
 616         if (!_session) {
 617                 return;
 618         }
 619
 620         XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
 621         set_state (*node);
 622
 623         update_title ();
 624
 625         initial_track_display ();
 626
 627         _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_strips, this, _1), gui_context());
 628         _session->route_group_added.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_route_group, this, _1), gui_context());
 629         _session->route_group_removed.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 630         _session->route_groups_reordered.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 631         _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context());
 632         _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 633         _session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 634
 635         Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context ());
 636
 637         route_groups_changed ();
 638
 639         if (_visible) {
 640                 show_window();
 641
 642                 /* Bit of a hack; if we're here, we're opening the mixer because of our
 643                    instant XML state having a show-mixer property.  Fix up the corresponding
 644                    action state.
 645                 */
 646                 ActionManager::check_toggleaction ("<Actions>/Common/toggle-mixer");
 647         }
 648
 649         start_updating ();
 650 }
 651
 652 void
 653 Mixer_UI::session_going_away ()
 654 {
 655         ENSURE_GUI_THREAD (*this, &Mixer_UI::session_going_away);
 656
 657         _in_group_rebuild_or_clear = true;
 658         group_model->clear ();
 659         _in_group_rebuild_or_clear = false;
 660
 661         _selection.clear ();
 662         track_model->clear ();
 663
 664         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 665                 delete (*i);
 666         }
 667
 668         if (_monitor_section) {
 669                 _monitor_section->tearoff().hide_visible ();
 670         }
 671
 672         strips.clear ();
 673
 674         stop_updating ();
 675
 676         SessionHandlePtr::session_going_away ();
 677
 678         _session = 0;
 679         update_title ();
 680 }
 681
 682 void
 683 Mixer_UI::show_strip (MixerStrip* ms)
 684 {
 685         TreeModel::Children rows = track_model->children();
 686         TreeModel::Children::iterator i;
 687
 688         for (i = rows.begin(); i != rows.end(); ++i) {
 689
 690                 MixerStrip* strip = (*i)[track_columns.strip];
 691                 if (strip == ms) {
 692                         (*i)[track_columns.visible] = true;
 693                         redisplay_track_list ();
 694                         break;
 695                 }
 696         }
 697 }
 698
 699 void
 700 Mixer_UI::hide_strip (MixerStrip* ms)
 701 {
 702         TreeModel::Children rows = track_model->children();
 703         TreeModel::Children::iterator i;
 704
 705         for (i = rows.begin(); i != rows.end(); ++i) {
 706
 707                 MixerStrip* strip = (*i)[track_columns.strip];
 708                 if (strip == ms) {
 709                         (*i)[track_columns.visible] = false;
 710                         redisplay_track_list ();
 711                         break;
 712                 }
 713         }
 714 }
 715
 716 gint
 717 Mixer_UI::start_updating ()
 718 {
 719     fast_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &Mixer_UI::fast_update_strips));
 720     return 0;
 721 }
 722
 723 gint
 724 Mixer_UI::stop_updating ()
 725 {
 726     fast_screen_update_connection.disconnect();
 727     return 0;
 728 }
 729
 730 void
 731 Mixer_UI::fast_update_strips ()
 732 {
 733         if (is_mapped () && _session) {
 734                 for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 735                         (*i)->fast_update ();
 736                 }
 737         }
 738 }
 739
 740 void
 741 Mixer_UI::set_all_strips_visibility (bool yn)
 742 {
 743         TreeModel::Children rows = track_model->children();
 744         TreeModel::Children::iterator i;
 745
 746         {
 747                 Unwinder<bool> uw (no_track_list_redisplay, true);
 748
 749                 for (i = rows.begin(); i != rows.end(); ++i) {
 750
 751                         TreeModel::Row row = (*i);
 752                         MixerStrip* strip = row[track_columns.strip];
 753
 754                         if (strip == 0) {
 755                                 continue;
 756                         }
 757
 758                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
 759                                 continue;
 760                         }
 761
 762                         (*i)[track_columns.visible] = yn;
 763                 }
 764         }
 765
 766         redisplay_track_list ();
 767 }
 768
 769
 770 void
 771 Mixer_UI::set_all_audio_visibility (int tracks, bool yn)
 772 {
 773         TreeModel::Children rows = track_model->children();
 774         TreeModel::Children::iterator i;
 775
 776         {
 777                 Unwinder<bool> uw (no_track_list_redisplay, true);
 778
 779                 for (i = rows.begin(); i != rows.end(); ++i) {
 780                         TreeModel::Row row = (*i);
 781                         MixerStrip* strip = row[track_columns.strip];
 782
 783                         if (strip == 0) {
 784                                 continue;
 785                         }
 786
 787                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
 788                                 continue;
 789                         }
 790
 791                         boost::shared_ptr<AudioTrack> at = strip->audio_track();
 792
 793                         switch (tracks) {
 794                         case 0:
 795                                 (*i)[track_columns.visible] = yn;
 796                                 break;
 797
 798                         case 1:
 799                                 if (at) { /* track */
 800                                         (*i)[track_columns.visible] = yn;
 801                                 }
 802                                 break;
 803
 804                         case 2:
 805                                 if (!at) { /* bus */
 806                                         (*i)[track_columns.visible] = yn;
 807                                 }
 808                                 break;
 809                         }
 810                 }
 811         }
 812
 813         redisplay_track_list ();
 814 }
 815
 816 void
 817 Mixer_UI::hide_all_routes ()
 818 {
 819         set_all_strips_visibility (false);
 820 }
 821
 822 void
 823 Mixer_UI::show_all_routes ()
 824 {
 825         set_all_strips_visibility (true);
 826 }
 827
 828 void
 829 Mixer_UI::show_all_audiobus ()
 830 {
 831         set_all_audio_visibility (2, true);
 832 }
 833 void
 834 Mixer_UI::hide_all_audiobus ()
 835 {
 836         set_all_audio_visibility (2, false);
 837 }
 838
 839 void
 840 Mixer_UI::show_all_audiotracks()
 841 {
 842         set_all_audio_visibility (1, true);
 843 }
 844 void
 845 Mixer_UI::hide_all_audiotracks ()
 846 {
 847         set_all_audio_visibility (1, false);
 848 }
 849
 850 void
 851 Mixer_UI::track_list_reorder (const TreeModel::Path&, const TreeModel::iterator&, int* /*new_order*/)
 852 {
 853         DEBUG_TRACE (DEBUG::OrderKeys, "mixer UI treeview reordered\n");
 854         sync_order_keys_from_model ();
 855 }
 856
 857 void
 858 Mixer_UI::track_list_delete (const Gtk::TreeModel::Path&)
 859 {
 860         /* this happens as the second step of a DnD within the treeview as well
 861            as when a row/route is actually deleted.
 862         */
 863         DEBUG_TRACE (DEBUG::OrderKeys, "mixer UI treeview row deleted\n");
 864         sync_order_keys_from_model ();
 865 }
 866
 867 void
 868 Mixer_UI::redisplay_track_list ()
 869 {
 870         TreeModel::Children rows = track_model->children();
 871         TreeModel::Children::iterator i;
 872
 873         if (no_track_list_redisplay) {
 874                 return;
 875         }
 876
 877         for (i = rows.begin(); i != rows.end(); ++i) {
 878
 879                 MixerStrip* strip = (*i)[track_columns.strip];
 880
 881                 if (strip == 0) {
 882                         /* we're in the middle of changing a row, don't worry */
 883                         continue;
 884                 }
 885
 886                 bool const visible = (*i)[track_columns.visible];
 887
 888                 if (visible) {
 889                         strip->set_gui_property ("visible", true);
 890
 891                         if (strip->packed()) {
 892
 893                                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
 894                                         out_packer.reorder_child (*strip, -1);
 895
 896                                 } else {
 897                                         strip_packer.reorder_child (*strip, -1); /* put at end */
 898                                 }
 899
 900                         } else {
 901
 902                                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
 903                                         out_packer.pack_start (*strip, false, false);
 904                                 } else {
 905                                         strip_packer.pack_start (*strip, false, false);
 906                                 }
 907                                 strip->set_packed (true);
 908                         }
 909
 910                 } else {
 911
 912                         strip->set_gui_property ("visible", false);
 913
 914                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
 915                                 /* do nothing, these cannot be hidden */
 916                         } else {
 917                                 if (strip->packed()) {
 918                                         strip_packer.remove (*strip);
 919                                         strip->set_packed (false);
 920                                 }
 921                         }
 922                 }
 923         }
 924
 925         _group_tabs->set_dirty ();
 926 }
 927
 928 void
 929 Mixer_UI::strip_width_changed ()
 930 {
 931         _group_tabs->set_dirty ();
 932
 933 #ifdef GTKOSX
 934         TreeModel::Children rows = track_model->children();
 935         TreeModel::Children::iterator i;
 936         long order;
 937
 938         for (order = 0, i = rows.begin(); i != rows.end(); ++i, ++order) {
 939                 MixerStrip* strip = (*i)[track_columns.strip];
 940
 941                 if (strip == 0) {
 942                         continue;
 943                 }
 944
 945                 bool visible = (*i)[track_columns.visible];
 946
 947                 if (visible) {
 948                         strip->queue_draw();
 949                 }
 950         }
 951 #endif
 952
 953 }
 954
 955 struct SignalOrderRouteSorter {
 956     bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
 957             if (a->is_master() || a->is_monitor()) {
 958                     /* "a" is a special route (master, monitor, etc), and comes
 959                      * last in the mixer ordering
 960                      */
 961                     return false;
 962             } else if (b->is_master() || b->is_monitor()) {
 963                     /* everything comes before b */
 964                     return true;
 965             }
 966             return a->order_key (MixerSort) < b->order_key (MixerSort);
 967
 968     }
 969 };
 970
 971 void
 972 Mixer_UI::initial_track_display ()
 973 {
 974         boost::shared_ptr<RouteList> routes = _session->get_routes();
 975         RouteList copy (*routes);
 976         SignalOrderRouteSorter sorter;
 977
 978         copy.sort (sorter);
 979
 980         {
 981                 Unwinder<bool> uw1 (no_track_list_redisplay, true);
 982                 Unwinder<bool> uw2 (ignore_reorder, true);
 983
 984                 track_model->clear ();
 985                 add_strips (copy);
 986         }
 987
 988         _session->sync_order_keys (MixerSort);
 989
 990         redisplay_track_list ();
 991 }
 992
 993 void
 994 Mixer_UI::show_track_list_menu ()
 995 {
 996         if (track_menu == 0) {
 997                 build_track_menu ();
 998         }
 999
1000         track_menu->popup (1, gtk_get_current_event_time());
1001 }
1002
1003 bool
1004 Mixer_UI::track_display_button_press (GdkEventButton* ev)
1005 {
1006         if (Keyboard::is_context_menu_event (ev)) {
1007                 show_track_list_menu ();
1008                 return true;
1009         }
1010
1011         TreeIter iter;
1012         TreeModel::Path path;
1013         TreeViewColumn* column;
1014         int cellx;
1015         int celly;
1016
1017         if (!track_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
1018                 return false;
1019         }
1020
1021         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
1022         case 0:
1023                 /* allow normal processing to occur */
1024                 return false;
1025
1026         case 1: /* visibility */
1027                 if ((iter = track_model->get_iter (path))) {
1028                         MixerStrip* strip = (*iter)[track_columns.strip];
1029                         if (strip) {
1030
1031                                 if (!strip->route()->is_master() && !strip->route()->is_monitor()) {
1032                                         bool visible = (*iter)[track_columns.visible];
1033                                         (*iter)[track_columns.visible] = !visible;
1034                                         redisplay_track_list ();
1035                                 }
1036                         }
1037                 }
1038                 return true;
1039
1040         default:
1041                 break;
1042         }
1043
1044         return false;
1045 }
1046
1047
1048 void
1049 Mixer_UI::build_track_menu ()
1050 {
1051         using namespace Menu_Helpers;
1052         using namespace Gtk;
1053
1054         track_menu = new Menu;
1055         track_menu->set_name ("ArdourContextMenu");
1056         MenuList& items = track_menu->items();
1057
1058         items.push_back (MenuElem (_("Show All"), sigc::mem_fun(*this, &Mixer_UI::show_all_routes)));
1059         items.push_back (MenuElem (_("Hide All"), sigc::mem_fun(*this, &Mixer_UI::hide_all_routes)));
1060         items.push_back (MenuElem (_("Show All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiotracks)));
1061         items.push_back (MenuElem (_("Hide All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiotracks)));
1062         items.push_back (MenuElem (_("Show All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiobus)));
1063         items.push_back (MenuElem (_("Hide All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiobus)));
1064
1065 }
1066
1067 void
1068 Mixer_UI::strip_property_changed (const PropertyChange& what_changed, MixerStrip* mx)
1069 {
1070         if (!what_changed.contains (ARDOUR::Properties::name)) {
1071                 return;
1072         }
1073
1074         ENSURE_GUI_THREAD (*this, &Mixer_UI::strip_name_changed, what_changed, mx)
1075
1076         TreeModel::Children rows = track_model->children();
1077         TreeModel::Children::iterator i;
1078
1079         for (i = rows.begin(); i != rows.end(); ++i) {
1080                 if ((*i)[track_columns.strip] == mx) {
1081                         (*i)[track_columns.text] = mx->route()->name();
1082                         return;
1083                 }
1084         }
1085
1086         error << _("track display list item for renamed strip not found!") << endmsg;
1087 }
1088
1089 bool
1090 Mixer_UI::group_display_button_press (GdkEventButton* ev)
1091 {
1092         TreeModel::Path path;
1093         TreeViewColumn* column;
1094         int cellx;
1095         int celly;
1096
1097         if (!group_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
1098                 return false;
1099         }
1100
1101         TreeIter iter = group_model->get_iter (path);
1102         if (!iter) {
1103                 return false;
1104         }
1105
1106         RouteGroup* group = (*iter)[group_columns.group];
1107
1108         if (Keyboard::is_context_menu_event (ev)) {
1109                 _group_tabs->get_menu(group)->popup (1, ev->time);
1110                 return true;
1111         }
1112
1113         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
1114         case 0:
1115                 if (Keyboard::is_edit_event (ev)) {
1116                         if (group) {
1117                                 // edit_route_group (group);
1118 #ifdef GTKOSX
1119                                 group_display.queue_draw();
1120 #endif
1121                                 return true;
1122                         }
1123                 }
1124                 break;
1125
1126         case 1:
1127         {
1128                 bool visible = (*iter)[group_columns.visible];
1129                 (*iter)[group_columns.visible] = !visible;
1130 #ifdef GTKOSX
1131                 group_display.queue_draw();
1132 #endif
1133                 return true;
1134         }
1135
1136         default:
1137                 break;
1138         }
1139
1140         return false;
1141  }
1142
1143 void
1144 Mixer_UI::activate_all_route_groups ()
1145 {
1146         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), true));
1147 }
1148
1149 void
1150 Mixer_UI::disable_all_route_groups ()
1151 {
1152         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), false));
1153 }
1154
1155 void
1156 Mixer_UI::route_groups_changed ()
1157 {
1158         ENSURE_GUI_THREAD (*this, &Mixer_UI::route_groups_changed);
1159
1160         _in_group_rebuild_or_clear = true;
1161
1162         /* just rebuild the while thing */
1163
1164         group_model->clear ();
1165
1166         {
1167                 TreeModel::Row row;
1168                 row = *(group_model->append());
1169                 row[group_columns.visible] = true;
1170                 row[group_columns.text] = (_("-all-"));
1171                 row[group_columns.group] = 0;
1172         }
1173
1174         _session->foreach_route_group (sigc::mem_fun (*this, &Mixer_UI::add_route_group));
1175
1176         _group_tabs->set_dirty ();
1177         _in_group_rebuild_or_clear = false;
1178 }
1179
1180 void
1181 Mixer_UI::new_route_group ()
1182 {
1183         RouteList rl;
1184
1185         _group_tabs->run_new_group_dialog (rl);
1186 }
1187
1188 void
1189 Mixer_UI::remove_selected_route_group ()
1190 {
1191         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1192         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
1193
1194         if (rows.empty()) {
1195                 return;
1196         }
1197
1198         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
1199         TreeIter iter;
1200
1201         /* selection mode is single, so rows.begin() is it */
1202
1203         if ((iter = group_model->get_iter (*i))) {
1204
1205                 RouteGroup* rg = (*iter)[group_columns.group];
1206
1207                 if (rg) {
1208                         _session->remove_route_group (*rg);
1209                 }
1210         }
1211 }
1212
1213 void
1214 Mixer_UI::route_group_property_changed (RouteGroup* group, const PropertyChange& change)
1215 {
1216         if (in_group_row_change) {
1217                 return;
1218         }
1219
1220         /* force an update of any mixer strips that are using this group,
1221            otherwise mix group names don't change in mixer strips
1222         */
1223
1224         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
1225                 if ((*i)->route_group() == group) {
1226                         (*i)->route_group_changed();
1227                 }
1228         }
1229
1230         TreeModel::iterator i;
1231         TreeModel::Children rows = group_model->children();
1232         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1233
1234         in_group_row_change = true;
1235
1236         for (i = rows.begin(); i != rows.end(); ++i) {
1237                 if ((*i)[group_columns.group] == group) {
1238                         (*i)[group_columns.visible] = !group->is_hidden ();
1239                         (*i)[group_columns.text] = group->name ();
1240                         break;
1241                 }
1242         }
1243
1244         in_group_row_change = false;
1245
1246         if (change.contains (Properties::name)) {
1247                 _group_tabs->set_dirty ();
1248         }
1249
1250         for (list<MixerStrip*>::iterator j = strips.begin(); j != strips.end(); ++j) {
1251                 if ((*j)->route_group() == group) {
1252                         if (group->is_hidden ()) {
1253                                 hide_strip (*j);
1254                         } else {
1255                                 show_strip (*j);
1256                         }
1257                 }
1258         }
1259 }
1260
1261 void
1262 Mixer_UI::route_group_name_edit (const std::string& path, const std::string& new_text)
1263 {
1264         RouteGroup* group;
1265         TreeIter iter;
1266
1267         if ((iter = group_model->get_iter (path))) {
1268
1269                 if ((group = (*iter)[group_columns.group]) == 0) {
1270                         return;
1271                 }
1272
1273                 if (new_text != group->name()) {
1274                         group->set_name (new_text);
1275                 }
1276         }
1277 }
1278
1279 void
1280 Mixer_UI::route_group_row_change (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator& iter)
1281 {
1282         RouteGroup* group;
1283
1284         if (in_group_row_change) {
1285                 return;
1286         }
1287
1288         if ((group = (*iter)[group_columns.group]) == 0) {
1289                 return;
1290         }
1291
1292         std::string name = (*iter)[group_columns.text];
1293
1294         if (name != group->name()) {
1295                 group->set_name (name);
1296         }
1297
1298         bool hidden = !(*iter)[group_columns.visible];
1299
1300         if (hidden != group->is_hidden ()) {
1301                 group->set_hidden (hidden, this);
1302         }
1303 }
1304
1305 /** Called when a group model row is deleted, but also when the model is
1306  *  reordered by a user drag-and-drop; the latter is what we are
1307  *  interested in here.
1308  */
1309 void
1310 Mixer_UI::route_group_row_deleted (Gtk::TreeModel::Path const &)
1311 {
1312         if (_in_group_rebuild_or_clear) {
1313                 return;
1314         }
1315
1316         /* Re-write the session's route group list so that the new order is preserved */
1317
1318         list<RouteGroup*> new_list;
1319
1320         Gtk::TreeModel::Children children = group_model->children();
1321         for (Gtk::TreeModel::Children::iterator i = children.begin(); i != children.end(); ++i) {
1322                 RouteGroup* g = (*i)[group_columns.group];
1323                 if (g) {
1324                         new_list.push_back (g);
1325                 }
1326         }
1327
1328         _session->reorder_route_groups (new_list);
1329 }
1330
1331
1332 void
1333 Mixer_UI::add_route_group (RouteGroup* group)
1334 {
1335         ENSURE_GUI_THREAD (*this, &Mixer_UI::add_route_group, group)
1336         bool focus = false;
1337
1338         in_group_row_change = true;
1339
1340         TreeModel::Row row = *(group_model->append());
1341         row[group_columns.visible] = !group->is_hidden ();
1342         row[group_columns.group] = group;
1343         if (!group->name().empty()) {
1344                 row[group_columns.text] = group->name();
1345         } else {
1346                 row[group_columns.text] = _("unnamed");
1347                 focus = true;
1348         }
1349
1350         group->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::route_group_property_changed, this, group, _1), gui_context());
1351
1352         if (focus) {
1353                 TreeViewColumn* col = group_display.get_column (0);
1354                 CellRendererText* name_cell = dynamic_cast<CellRendererText*>(group_display.get_column_cell_renderer (0));
1355                 group_display.set_cursor (group_model->get_path (row), *col, *name_cell, true);
1356         }
1357
1358         _group_tabs->set_dirty ();
1359
1360         in_group_row_change = false;
1361 }
1362
1363 bool
1364 Mixer_UI::strip_scroller_button_release (GdkEventButton* ev)
1365 {
1366         using namespace Menu_Helpers;
1367
1368         if (Keyboard::is_context_menu_event (ev)) {
1369                 ARDOUR_UI::instance()->add_route (this);
1370                 return true;
1371         }
1372
1373         return false;
1374 }
1375
1376 void
1377 Mixer_UI::set_strip_width (Width w)
1378 {
1379         _strip_width = w;
1380
1381         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1382                 (*i)->set_width_enum (w, this);
1383         }
1384 }
1385
1386 void
1387 Mixer_UI::set_window_pos_and_size ()
1388 {
1389         resize (m_width, m_height);
1390         move (m_root_x, m_root_y);
1391 }
1392
1393         void
1394 Mixer_UI::get_window_pos_and_size ()
1395 {
1396         get_position(m_root_x, m_root_y);
1397         get_size(m_width, m_height);
1398 }
1399
1400 int
1401 Mixer_UI::set_state (const XMLNode& node)
1402 {
1403         const XMLProperty* prop;
1404         XMLNode* geometry;
1405
1406         m_width = default_width;
1407         m_height = default_height;
1408         m_root_x = 1;
1409         m_root_y = 1;
1410
1411         if ((geometry = find_named_node (node, "geometry")) != 0) {
1412
1413                 XMLProperty* prop;
1414
1415                 if ((prop = geometry->property("x_size")) == 0) {
1416                         prop = geometry->property ("x-size");
1417                 }
1418                 if (prop) {
1419                         m_width = atoi(prop->value());
1420                 }
1421                 if ((prop = geometry->property("y_size")) == 0) {
1422                         prop = geometry->property ("y-size");
1423                 }
1424                 if (prop) {
1425                         m_height = atoi(prop->value());
1426                 }
1427
1428                 if ((prop = geometry->property ("x_pos")) == 0) {
1429                         prop = geometry->property ("x-pos");
1430                 }
1431                 if (prop) {
1432                         m_root_x = atoi (prop->value());
1433
1434                 }
1435                 if ((prop = geometry->property ("y_pos")) == 0) {
1436                         prop = geometry->property ("y-pos");
1437                 }
1438                 if (prop) {
1439                         m_root_y = atoi (prop->value());
1440                 }
1441         }
1442
1443         set_window_pos_and_size ();
1444
1445         if ((prop = node.property ("narrow-strips"))) {
1446                 if (string_is_affirmative (prop->value())) {
1447                         set_strip_width (Narrow);
1448                 } else {
1449                         set_strip_width (Wide);
1450                 }
1451         }
1452
1453         if ((prop = node.property ("show-mixer"))) {
1454                 if (string_is_affirmative (prop->value())) {
1455                        _visible = true;
1456                 }
1457         }
1458
1459         return 0;
1460 }
1461
1462 XMLNode&
1463 Mixer_UI::get_state (void)
1464 {
1465         XMLNode* node = new XMLNode ("Mixer");
1466
1467         if (is_realized()) {
1468                 Glib::RefPtr<Gdk::Window> win = get_window();
1469
1470                 get_window_pos_and_size ();
1471
1472                 XMLNode* geometry = new XMLNode ("geometry");
1473                 char buf[32];
1474                 snprintf(buf, sizeof(buf), "%d", m_width);
1475                 geometry->add_property(X_("x_size"), string(buf));
1476                 snprintf(buf, sizeof(buf), "%d", m_height);
1477                 geometry->add_property(X_("y_size"), string(buf));
1478                 snprintf(buf, sizeof(buf), "%d", m_root_x);
1479                 geometry->add_property(X_("x_pos"), string(buf));
1480                 snprintf(buf, sizeof(buf), "%d", m_root_y);
1481                 geometry->add_property(X_("y_pos"), string(buf));
1482
1483                 // written only for compatibility, they are not used.
1484                 snprintf(buf, sizeof(buf), "%d", 0);
1485                 geometry->add_property(X_("x_off"), string(buf));
1486                 snprintf(buf, sizeof(buf), "%d", 0);
1487                 geometry->add_property(X_("y_off"), string(buf));
1488
1489                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&rhs_pane1)->gobj()));
1490                 geometry->add_property(X_("mixer_rhs_pane1_pos"), string(buf));
1491                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&list_hpane)->gobj()));
1492                 geometry->add_property(X_("mixer_list_hpane_pos"), string(buf));
1493
1494                 node->add_child_nocopy (*geometry);
1495         }
1496
1497         node->add_property ("narrow-strips", _strip_width == Narrow ? "yes" : "no");
1498
1499         node->add_property ("show-mixer", _visible ? "yes" : "no");
1500
1501         return *node;
1502 }
1503
1504
1505 void
1506 Mixer_UI::pane_allocation_handler (Allocation&, Gtk::Paned* which)
1507 {
1508         int pos;
1509         XMLProperty* prop = 0;
1510         char buf[32];
1511         XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
1512         XMLNode* geometry;
1513         int height;
1514         static int32_t done[3] = { 0, 0, 0 };
1515
1516         height = default_height;
1517
1518         if ((geometry = find_named_node (*node, "geometry")) != 0) {
1519
1520                 if ((prop = geometry->property ("y_size")) == 0) {
1521                         prop = geometry->property ("y-size");
1522                 }
1523                 if (prop) {
1524                         height = atoi (prop->value());
1525                 }
1526         }
1527
1528         if (which == static_cast<Gtk::Paned*> (&rhs_pane1)) {
1529
1530                 if (done[0]) {
1531                         return;
1532                 }
1533
1534                 if (!geometry || (prop = geometry->property("mixer-rhs-pane1-pos")) == 0) {
1535                         pos = height / 3;
1536                         snprintf (buf, sizeof(buf), "%d", pos);
1537                 } else {
1538                         pos = atoi (prop->value());
1539                 }
1540
1541                 if ((done[0] = GTK_WIDGET(rhs_pane1.gobj())->allocation.height > pos)) {
1542                         rhs_pane1.set_position (pos);
1543                 }
1544
1545         } else if (which == static_cast<Gtk::Paned*> (&list_hpane)) {
1546
1547                 if (done[2]) {
1548                         return;
1549                 }
1550
1551                 if (!geometry || (prop = geometry->property("mixer-list-hpane-pos")) == 0) {
1552                         pos = 75;
1553                         snprintf (buf, sizeof(buf), "%d", pos);
1554                 } else {
1555                         pos = atoi (prop->value());
1556                 }
1557
1558                 if ((done[2] = GTK_WIDGET(list_hpane.gobj())->allocation.width > pos)) {
1559                         list_hpane.set_position (pos);
1560                 }
1561         }
1562 }
1563 void
1564 Mixer_UI::scroll_left ()
1565 {
1566         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
1567         /* stupid GTK: can't rely on clamping across versions */
1568         scroller.get_hscrollbar()->set_value (max (adj->get_lower(), adj->get_value() - adj->get_step_increment()));
1569 }
1570
1571 void
1572 Mixer_UI::scroll_right ()
1573 {
1574         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
1575         /* stupid GTK: can't rely on clamping across versions */
1576         scroller.get_hscrollbar()->set_value (min (adj->get_upper(), adj->get_value() + adj->get_step_increment()));
1577 }
1578
1579 bool
1580 Mixer_UI::on_key_press_event (GdkEventKey* ev)
1581 {
1582         /* focus widget gets first shot, then bindings, otherwise
1583            forward to main window
1584         */
1585
1586         if (gtk_window_propagate_key_event (GTK_WINDOW(gobj()), ev)) {
1587                 return true;
1588         }
1589
1590         KeyboardKey k (ev->state, ev->keyval);
1591
1592         if (bindings.activate (k, Bindings::Press)) {
1593                 return true;
1594         }
1595
1596         return forward_key_press (ev);
1597 }
1598
1599 bool
1600 Mixer_UI::on_key_release_event (GdkEventKey* ev)
1601 {
1602         if (gtk_window_propagate_key_event (GTK_WINDOW(gobj()), ev)) {
1603                 return true;
1604         }
1605
1606         KeyboardKey k (ev->state, ev->keyval);
1607
1608         if (bindings.activate (k, Bindings::Release)) {
1609                 return true;
1610         }
1611
1612         /* don't forward releases */
1613
1614         return true;
1615 }
1616
1617 bool
1618 Mixer_UI::on_scroll_event (GdkEventScroll* ev)
1619 {
1620         switch (ev->direction) {
1621         case GDK_SCROLL_LEFT:
1622                 scroll_left ();
1623                 return true;
1624         case GDK_SCROLL_UP:
1625                 if (ev->state & Keyboard::TertiaryModifier) {
1626                         scroll_left ();
1627                         return true;
1628                 }
1629                 return false;
1630
1631         case GDK_SCROLL_RIGHT:
1632                 scroll_right ();
1633                 return true;
1634
1635         case GDK_SCROLL_DOWN:
1636                 if (ev->state & Keyboard::TertiaryModifier) {
1637                         scroll_right ();
1638                         return true;
1639                 }
1640                 return false;
1641         }
1642
1643         return false;
1644 }
1645
1646
1647 void
1648 Mixer_UI::parameter_changed (string const & p)
1649 {
1650         if (p == "show-group-tabs") {
1651                 bool const s = _session->config.get_show_group_tabs ();
1652                 if (s) {
1653                         _group_tabs->show ();
1654                 } else {
1655                         _group_tabs->hide ();
1656                 }
1657         } else if (p == "default-narrow_ms") {
1658                 bool const s = Config->get_default_narrow_ms ();
1659                 for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1660                         (*i)->set_width_enum (s ? Narrow : Wide, this);
1661                 }
1662         }
1663 }
1664
1665 void
1666 Mixer_UI::set_route_group_activation (RouteGroup* g, bool a)
1667 {
1668         g->set_active (a, this);
1669 }
1670
1671 PluginSelector*
1672 Mixer_UI::plugin_selector()
1673 {
1674 #ifdef DEFER_PLUGIN_SELECTOR_LOAD
1675         if (!_plugin_selector)
1676                 _plugin_selector = new PluginSelector (PluginManager::instance());
1677 #endif
1678
1679         return _plugin_selector;
1680 }
1681
1682 void
1683 Mixer_UI::setup_track_display ()
1684 {
1685         track_model = ListStore::create (track_columns);
1686         track_display.set_model (track_model);
1687         track_display.append_column (_("Strips"), track_columns.text);
1688         track_display.append_column (_("Show"), track_columns.visible);
1689         track_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
1690         track_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
1691         track_display.get_column (0)->set_expand(true);
1692         track_display.get_column (1)->set_expand(false);
1693         track_display.set_name (X_("MixerTrackDisplayList"));
1694         track_display.get_selection()->set_mode (Gtk::SELECTION_NONE);
1695         track_display.set_reorderable (true);
1696         track_display.set_headers_visible (true);
1697
1698         track_model->signal_row_deleted().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_delete));
1699         track_model->signal_rows_reordered().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_reorder));
1700
1701         CellRendererToggle* track_list_visible_cell = dynamic_cast<CellRendererToggle*>(track_display.get_column_cell_renderer (1));
1702         track_list_visible_cell->property_activatable() = true;
1703         track_list_visible_cell->property_radio() = false;
1704
1705         track_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::track_display_button_press), false);
1706
1707         track_display_scroller.add (track_display);
1708         track_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1709
1710         VBox* v = manage (new VBox);
1711         v->show ();
1712         v->pack_start (track_display_scroller, true, true);
1713
1714         Button* b = manage (new Button);
1715         b->show ();
1716         Widget* w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
1717         w->show ();
1718         b->add (*w);
1719
1720         b->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::new_track_or_bus));
1721
1722         v->pack_start (*b, false, false);
1723
1724         track_display_frame.set_name("BaseFrame");
1725         track_display_frame.set_shadow_type (Gtk::SHADOW_IN);
1726         track_display_frame.add (*v);
1727
1728         track_display_scroller.show();
1729         track_display_frame.show();
1730         track_display.show();
1731 }
1732
1733 void
1734 Mixer_UI::new_track_or_bus ()
1735 {
1736         ARDOUR_UI::instance()->add_route (this);
1737 }
1738
1739
1740 void
1741 Mixer_UI::update_title ()
1742 {
1743         if (_session) {
1744                 string n;
1745
1746                 if (_session->snap_name() != _session->name()) {
1747                         n = _session->snap_name ();
1748                 } else {
1749                         n = _session->name ();
1750                 }
1751
1752                 if (_session->dirty ()) {
1753                         n = "*" + n;
1754                 }
1755
1756                 WindowTitle title (n);
1757                 title += S_("Window|Mixer");
1758                 title += Glib::get_application_name ();
1759                 set_title (title.get_string());
1760
1761         } else {
1762
1763                 WindowTitle title (S_("Window|Mixer"));
1764                 title += Glib::get_application_name ();
1765                 set_title (title.get_string());
1766         }
1767 }
1768
1769 MixerStrip*
1770 Mixer_UI::strip_by_x (int x)
1771 {
1772         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1773                 int x1, x2, y;
1774
1775                 (*i)->translate_coordinates (*this, 0, 0, x1, y);
1776                 x2 = x1 + (*i)->get_width();
1777
1778                 if (x >= x1 && x <= x2) {
1779                         return (*i);
1780                 }
1781         }
1782
1783         return 0;
1784 }
1785
1786 void
1787 Mixer_UI::set_route_targets_for_operation ()
1788 {
1789         _route_targets.clear ();
1790
1791         if (!_selection.empty()) {
1792                 _route_targets = _selection.routes;
1793                 return;
1794         }
1795
1796         /* try to get mixer strip at mouse */
1797
1798         int x, y;
1799         get_pointer (x, y);
1800
1801         MixerStrip* ms = strip_by_x (x);
1802
1803         if (ms) {
1804                 _route_targets.insert (ms);
1805         }
1806 }
1807
1808 void
1809 Mixer_UI::monitor_section_going_away ()
1810 {
1811         if (_monitor_section) {
1812                 out_packer.remove (_monitor_section->tearoff());
1813                 _monitor_section->set_session (0);
1814         }
1815 }