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), boost::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), boost::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         if (_monitor_section) {
 254                 delete _monitor_section;
 255         }
 256 }
 257
 258 void
 259 Mixer_UI::track_editor_selection ()
 260 {
 261         PublicEditor::instance().get_selection().TracksChanged.connect (sigc::mem_fun (*this, &Mixer_UI::follow_editor_selection));
 262 }
 263
 264
 265 void
 266 Mixer_UI::ensure_float (Window& win)
 267 {
 268         win.set_transient_for (*this);
 269 }
 270
 271 void
 272 Mixer_UI::show_window ()
 273 {
 274         present ();
 275         if (!_visible) {
 276                 set_window_pos_and_size ();
 277
 278                 /* show/hide group tabs as required */
 279                 parameter_changed ("show-group-tabs");
 280
 281                 /* now reset each strips width so the right widgets are shown */
 282                 MixerStrip* ms;
 283
 284                 TreeModel::Children rows = track_model->children();
 285                 TreeModel::Children::iterator ri;
 286
 287                 for (ri = rows.begin(); ri != rows.end(); ++ri) {
 288                         ms = (*ri)[track_columns.strip];
 289                         ms->set_width_enum (ms->get_width_enum (), ms->width_owner());
 290                         /* Fix visibility of mixer strip stuff */
 291                         ms->parameter_changed (X_("mixer-strip-visibility"));
 292                 }
 293         }
 294
 295         /* force focus into main area */
 296         scroller_base.grab_focus ();
 297
 298         _visible = true;
 299 }
 300
 301 bool
 302 Mixer_UI::hide_window (GdkEventAny *ev)
 303 {
 304         get_window_pos_and_size ();
 305
 306         _visible = false;
 307         return just_hide_it(ev, static_cast<Gtk::Window *>(this));
 308 }
 309
 310
 311 void
 312 Mixer_UI::add_strip (RouteList& routes)
 313 {
 314         ENSURE_GUI_THREAD (*this, &Mixer_UI::add_strip, routes)
 315
 316         MixerStrip* strip;
 317
 318         no_track_list_redisplay = true;
 319         strip_redisplay_does_not_sync_order_keys = true;
 320
 321         for (RouteList::iterator x = routes.begin(); x != routes.end(); ++x) {
 322                 boost::shared_ptr<Route> route = (*x);
 323
 324                 if (route->is_hidden()) {
 325                         continue;
 326                 }
 327
 328                 if (route->is_monitor()) {
 329
 330                         if (!_monitor_section) {
 331                                 _monitor_section = new MonitorSection (_session);
 332
 333                                 XMLNode* mnode = ARDOUR_UI::instance()->tearoff_settings (X_("monitor-section"));
 334                                 if (mnode) {
 335                                         _monitor_section->tearoff().set_state (*mnode);
 336                                 }
 337                         }
 338
 339                         out_packer.pack_end (_monitor_section->tearoff(), false, false);
 340                         _monitor_section->set_session (_session);
 341                         _monitor_section->tearoff().show_all ();
 342
 343                         route->DropReferences.connect (*this, invalidator(*this), boost::bind (&Mixer_UI::monitor_section_going_away, this), gui_context());
 344
 345                         /* no regular strip shown for control out */
 346
 347                         continue;
 348                 }
 349
 350                 strip = new MixerStrip (*this, _session, route);
 351                 strips.push_back (strip);
 352
 353                 Config->get_default_narrow_ms() ? _strip_width = Narrow : _strip_width = Wide;
 354
 355                 if (strip->width_owner() != strip) {
 356                         strip->set_width_enum (_strip_width, this);
 357                 }
 358
 359                 show_strip (strip);
 360
 361                 TreeModel::Row row = *(track_model->append());
 362                 row[track_columns.text] = route->name();
 363                 row[track_columns.visible] = strip->route()->is_master() ? true : strip->marked_for_display();
 364                 row[track_columns.route] = route;
 365                 row[track_columns.strip] = strip;
 366
 367                 if (route->order_key (N_("signal")) == -1) {
 368                         route->set_order_key (N_("signal"), track_model->children().size()-1);
 369                 }
 370
 371                 route->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::strip_property_changed, this, _1, strip), gui_context());
 372
 373                 strip->WidthChanged.connect (sigc::mem_fun(*this, &Mixer_UI::strip_width_changed));
 374                 strip->signal_button_release_event().connect (sigc::bind (sigc::mem_fun(*this, &Mixer_UI::strip_button_release_event), strip));
 375         }
 376
 377         no_track_list_redisplay = false;
 378
 379         redisplay_track_list ();
 380
 381         strip_redisplay_does_not_sync_order_keys = false;
 382 }
 383
 384 void
 385 Mixer_UI::remove_strip (MixerStrip* strip)
 386 {
 387         if (_session && _session->deletion_in_progress()) {
 388                 /* its all being taken care of */
 389                 return;
 390         }
 391
 392         TreeModel::Children rows = track_model->children();
 393         TreeModel::Children::iterator ri;
 394         list<MixerStrip *>::iterator i;
 395
 396         if ((i = find (strips.begin(), strips.end(), strip)) != strips.end()) {
 397                 strips.erase (i);
 398         }
 399
 400         strip_redisplay_does_not_sync_order_keys = true;
 401
 402         for (ri = rows.begin(); ri != rows.end(); ++ri) {
 403                 if ((*ri)[track_columns.strip] == strip) {
 404                         track_model->erase (ri);
 405                         break;
 406                 }
 407         }
 408
 409         strip_redisplay_does_not_sync_order_keys = false;
 410 }
 411
 412 void
 413 Mixer_UI::sync_order_keys (string const & src)
 414 {
 415         TreeModel::Children rows = track_model->children();
 416         TreeModel::Children::iterator ri;
 417
 418         if (src == N_("signal") || !_session || (_session->state_of_the_state() & (Session::Loading|Session::Deletion)) || rows.empty()) {
 419                 return;
 420         }
 421
 422         std::map<int,int> keys;
 423
 424         bool changed = false;
 425
 426         unsigned order = 0;
 427         for (ri = rows.begin(); ri != rows.end(); ++ri, ++order) {
 428                 boost::shared_ptr<Route> route = (*ri)[track_columns.route];
 429                 unsigned int old_key = order;
 430                 unsigned int new_key = route->order_key (N_("signal"));
 431
 432                 keys[new_key] = old_key;
 433
 434                 if (new_key != old_key) {
 435                         changed = true;
 436                 }
 437         }
 438
 439         if (keys.size() != rows.size()) {
 440                 PBD::stacktrace (cerr, 20);
 441         }
 442         assert(keys.size() == rows.size());
 443
 444         // Remove any gaps in keys caused by automation children tracks
 445         vector<int> neworder;
 446         for (std::map<int,int>::const_iterator i = keys.begin(); i != keys.end(); ++i) {
 447                 neworder.push_back(i->second);
 448         }
 449         assert(neworder.size() == rows.size());
 450
 451         if (changed) {
 452                 strip_redisplay_does_not_reset_order_keys = true;
 453                 track_model->reorder (neworder);
 454                 strip_redisplay_does_not_reset_order_keys = false;
 455         }
 456 }
 457
 458 void
 459 Mixer_UI::follow_editor_selection ()
 460 {
 461         if (!Config->get_link_editor_and_mixer_selection() || _following_editor_selection) {
 462                 return;
 463         }
 464
 465         _following_editor_selection = true;
 466         _selection.block_routes_changed (true);
 467
 468         TrackSelection& s (PublicEditor::instance().get_selection().tracks);
 469
 470         _selection.clear_routes ();
 471
 472         for (TrackViewList::iterator i = s.begin(); i != s.end(); ++i) {
 473                 RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*i);
 474                 if (rtav) {
 475                         MixerStrip* ms = strip_by_route (rtav->route());
 476                         if (ms) {
 477                                 _selection.add (ms);
 478                         }
 479                 }
 480         }
 481
 482         _following_editor_selection = false;
 483         _selection.block_routes_changed (false);
 484 }
 485
 486
 487 MixerStrip*
 488 Mixer_UI::strip_by_route (boost::shared_ptr<Route> r)
 489 {
 490         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 491                 if ((*i)->route() == r) {
 492                         return (*i);
 493                 }
 494         }
 495
 496         return 0;
 497 }
 498
 499 bool
 500 Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
 501 {
 502         if (ev->button == 1) {
 503                 if (_selection.selected (strip)) {
 504                         /* primary-click: toggle selection state of strip */
 505                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 506                                 _selection.remove (strip);
 507                         }
 508                 } else {
 509                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 510                                 _selection.add (strip);
 511                         } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::RangeSelectModifier)) {
 512
 513                                 if (!_selection.selected(strip)) {
 514
 515                                         /* extend selection */
 516
 517                                         vector<MixerStrip*> tmp;
 518                                         bool accumulate = false;
 519
 520                                         tmp.push_back (strip);
 521
 522                                         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
 523                                                 if ((*i) == strip) {
 524                                                         /* hit clicked strip, start accumulating till we hit the first
 525                                                            selected strip
 526                                                         */
 527                                                         if (accumulate) {
 528                                                                 /* done */
 529                                                                 break;
 530                                                         } else {
 531                                                                 accumulate = true;
 532                                                         }
 533                                                 } else if (_selection.selected (*i)) {
 534                                                         /* hit selected strip. if currently accumulating others,
 535                                                            we're done. if not accumulating others, start doing so.
 536                                                         */
 537                                                         if (accumulate) {
 538                                                                 /* done */
 539                                                                 break;
 540                                                         } else {
 541                                                                 accumulate = true;
 542                                                         }
 543                                                 } else {
 544                                                         if (accumulate) {
 545                                                                 tmp.push_back (*i);
 546                                                         }
 547                                                 }
 548                                         }
 549
 550                                         for (vector<MixerStrip*>::iterator i = tmp.begin(); i != tmp.end(); ++i) {
 551                                                 _selection.add (*i);
 552                                         }
 553                                 }
 554
 555                         } else {
 556                                 _selection.set (strip);
 557                         }
 558                 }
 559         }
 560
 561         return true;
 562 }
 563
 564 void
 565 Mixer_UI::set_session (Session* sess)
 566 {
 567         SessionHandlePtr::set_session (sess);
 568
 569         if (_plugin_selector) {
 570                 _plugin_selector->set_session (_session);
 571         }
 572
 573         _group_tabs->set_session (sess);
 574
 575         if (!_session) {
 576                 return;
 577         }
 578
 579         XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
 580         set_state (*node);
 581
 582         update_title ();
 583
 584         initial_track_display ();
 585
 586         _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_strip, this, _1), gui_context());
 587         _session->route_group_added.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::add_route_group, this, _1), gui_context());
 588         _session->route_group_removed.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 589         _session->route_groups_reordered.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::route_groups_changed, this), gui_context());
 590         _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context());
 591         _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 592         _session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Mixer_UI::update_title, this), gui_context());
 593
 594         Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::parameter_changed, this, _1), gui_context ());
 595
 596         route_groups_changed ();
 597
 598         if (_visible) {
 599                 show_window();
 600         }
 601
 602         start_updating ();
 603 }
 604
 605 void
 606 Mixer_UI::session_going_away ()
 607 {
 608         ENSURE_GUI_THREAD (*this, &Mixer_UI::session_going_away);
 609
 610         _in_group_rebuild_or_clear = true;
 611         group_model->clear ();
 612         _in_group_rebuild_or_clear = false;
 613
 614         _selection.clear ();
 615         track_model->clear ();
 616
 617         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 618                 delete (*i);
 619         }
 620
 621         if (_monitor_section) {
 622                 _monitor_section->tearoff().hide_visible ();
 623         }
 624
 625         strips.clear ();
 626
 627         stop_updating ();
 628
 629         SessionHandlePtr::session_going_away ();
 630
 631         _session = 0;
 632         update_title ();
 633 }
 634
 635 void
 636 Mixer_UI::show_strip (MixerStrip* ms)
 637 {
 638         TreeModel::Children rows = track_model->children();
 639         TreeModel::Children::iterator i;
 640
 641         for (i = rows.begin(); i != rows.end(); ++i) {
 642
 643                 MixerStrip* strip = (*i)[track_columns.strip];
 644                 if (strip == ms) {
 645                         (*i)[track_columns.visible] = true;
 646                         break;
 647                 }
 648         }
 649 }
 650
 651 void
 652 Mixer_UI::hide_strip (MixerStrip* ms)
 653 {
 654         TreeModel::Children rows = track_model->children();
 655         TreeModel::Children::iterator i;
 656
 657         for (i = rows.begin(); i != rows.end(); ++i) {
 658
 659                 MixerStrip* strip = (*i)[track_columns.strip];
 660                 if (strip == ms) {
 661                         (*i)[track_columns.visible] = false;
 662                         break;
 663                 }
 664         }
 665 }
 666
 667 gint
 668 Mixer_UI::start_updating ()
 669 {
 670     fast_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &Mixer_UI::fast_update_strips));
 671     return 0;
 672 }
 673
 674 gint
 675 Mixer_UI::stop_updating ()
 676 {
 677     fast_screen_update_connection.disconnect();
 678     return 0;
 679 }
 680
 681 void
 682 Mixer_UI::fast_update_strips ()
 683 {
 684         if (is_mapped () && _session) {
 685                 for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
 686                         (*i)->fast_update ();
 687                 }
 688         }
 689 }
 690
 691 void
 692 Mixer_UI::set_all_strips_visibility (bool yn)
 693 {
 694         TreeModel::Children rows = track_model->children();
 695         TreeModel::Children::iterator i;
 696
 697         no_track_list_redisplay = true;
 698
 699         for (i = rows.begin(); i != rows.end(); ++i) {
 700
 701                 TreeModel::Row row = (*i);
 702                 MixerStrip* strip = row[track_columns.strip];
 703
 704                 if (strip == 0) {
 705                         continue;
 706                 }
 707
 708                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
 709                         continue;
 710                 }
 711
 712                 (*i)[track_columns.visible] = yn;
 713         }
 714
 715         no_track_list_redisplay = false;
 716         redisplay_track_list ();
 717 }
 718
 719
 720 void
 721 Mixer_UI::set_all_audio_visibility (int tracks, bool yn)
 722 {
 723         TreeModel::Children rows = track_model->children();
 724         TreeModel::Children::iterator i;
 725
 726         no_track_list_redisplay = true;
 727
 728         for (i = rows.begin(); i != rows.end(); ++i) {
 729                 TreeModel::Row row = (*i);
 730                 MixerStrip* strip = row[track_columns.strip];
 731
 732                 if (strip == 0) {
 733                         continue;
 734                 }
 735
 736                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
 737                         continue;
 738                 }
 739
 740                 boost::shared_ptr<AudioTrack> at = strip->audio_track();
 741
 742                 switch (tracks) {
 743                 case 0:
 744                         (*i)[track_columns.visible] = yn;
 745                         break;
 746
 747                 case 1:
 748                         if (at) { /* track */
 749                                 (*i)[track_columns.visible] = yn;
 750                         }
 751                         break;
 752
 753                 case 2:
 754                         if (!at) { /* bus */
 755                                 (*i)[track_columns.visible] = yn;
 756                         }
 757                         break;
 758                 }
 759         }
 760
 761         no_track_list_redisplay = false;
 762         redisplay_track_list ();
 763 }
 764
 765 void
 766 Mixer_UI::hide_all_routes ()
 767 {
 768         set_all_strips_visibility (false);
 769 }
 770
 771 void
 772 Mixer_UI::show_all_routes ()
 773 {
 774         set_all_strips_visibility (true);
 775 }
 776
 777 void
 778 Mixer_UI::show_all_audiobus ()
 779 {
 780         set_all_audio_visibility (2, true);
 781 }
 782 void
 783 Mixer_UI::hide_all_audiobus ()
 784 {
 785         set_all_audio_visibility (2, false);
 786 }
 787
 788 void
 789 Mixer_UI::show_all_audiotracks()
 790 {
 791         set_all_audio_visibility (1, true);
 792 }
 793 void
 794 Mixer_UI::hide_all_audiotracks ()
 795 {
 796         set_all_audio_visibility (1, false);
 797 }
 798
 799 void
 800 Mixer_UI::track_list_reorder (const TreeModel::Path&, const TreeModel::iterator&, int* /*new_order*/)
 801 {
 802         strip_redisplay_does_not_sync_order_keys = true;
 803         _session->set_remote_control_ids();
 804         redisplay_track_list ();
 805         strip_redisplay_does_not_sync_order_keys = false;
 806 }
 807
 808 void
 809 Mixer_UI::track_list_change (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator&)
 810 {
 811         // never reset order keys because of a property change
 812         strip_redisplay_does_not_reset_order_keys = true;
 813         _session->set_remote_control_ids();
 814         redisplay_track_list ();
 815         strip_redisplay_does_not_reset_order_keys = false;
 816 }
 817
 818 void
 819 Mixer_UI::track_list_delete (const Gtk::TreeModel::Path&)
 820 {
 821         /* this could require an order sync */
 822         if (_session && !_session->deletion_in_progress()) {
 823                 _session->set_remote_control_ids();
 824                 redisplay_track_list ();
 825         }
 826 }
 827
 828 void
 829 Mixer_UI::redisplay_track_list ()
 830 {
 831         TreeModel::Children rows = track_model->children();
 832         TreeModel::Children::iterator i;
 833         long order;
 834
 835         if (no_track_list_redisplay) {
 836                 return;
 837         }
 838
 839         for (order = 0, i = rows.begin(); i != rows.end(); ++i, ++order) {
 840                 MixerStrip* strip = (*i)[track_columns.strip];
 841
 842                 if (strip == 0) {
 843                         /* we're in the middle of changing a row, don't worry */
 844                         continue;
 845                 }
 846
 847                 if (!strip_redisplay_does_not_reset_order_keys) {
 848                         strip->route()->set_order_key (N_("signal"), order);
 849                 }
 850
 851                 bool const visible = (*i)[track_columns.visible];
 852
 853                 if (visible) {
 854                         strip->set_gui_property ("visible", true);
 855
 856                         if (strip->packed()) {
 857
 858                                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
 859                                         out_packer.reorder_child (*strip, -1);
 860                                 } else {
 861                                         strip_packer.reorder_child (*strip, -1); /* put at end */
 862                                 }
 863
 864                         } else {
 865
 866                                 if (strip->route()->is_master() || strip->route()->is_monitor()) {
 867                                         out_packer.pack_start (*strip, false, false);
 868                                 } else {
 869                                         strip_packer.pack_start (*strip, false, false);
 870                                 }
 871                                 strip->set_packed (true);
 872                         }
 873
 874                 } else {
 875
 876                         strip->set_gui_property ("visible", false);
 877
 878                         if (strip->route()->is_master() || strip->route()->is_monitor()) {
 879                                 /* do nothing, these cannot be hidden */
 880                         } else {
 881                                 if (strip->packed()) {
 882                                         strip_packer.remove (*strip);
 883                                         strip->set_packed (false);
 884                                 }
 885                         }
 886                 }
 887         }
 888
 889         if (!strip_redisplay_does_not_reset_order_keys && !strip_redisplay_does_not_sync_order_keys) {
 890                 _session->sync_order_keys (N_("signal"));
 891         }
 892
 893         // Resigc::bind all of the midi controls automatically
 894
 895         if (auto_rebinding) {
 896                 auto_rebind_midi_controls ();
 897         }
 898
 899         _group_tabs->set_dirty ();
 900 }
 901
 902 void
 903 Mixer_UI::strip_width_changed ()
 904 {
 905         _group_tabs->set_dirty ();
 906
 907 #ifdef GTKOSX
 908         TreeModel::Children rows = track_model->children();
 909         TreeModel::Children::iterator i;
 910         long order;
 911
 912         for (order = 0, i = rows.begin(); i != rows.end(); ++i, ++order) {
 913                 MixerStrip* strip = (*i)[track_columns.strip];
 914
 915                 if (strip == 0) {
 916                         continue;
 917                 }
 918
 919                 bool visible = (*i)[track_columns.visible];
 920
 921                 if (visible) {
 922                         strip->queue_draw();
 923                 }
 924         }
 925 #endif
 926
 927 }
 928
 929 void
 930 Mixer_UI::set_auto_rebinding( bool val )
 931 {
 932         if( val == TRUE )
 933         {
 934                 auto_rebinding = TRUE;
 935                 Session::AutoBindingOff();
 936         }
 937         else
 938         {
 939                 auto_rebinding = FALSE;
 940                 Session::AutoBindingOn();
 941         }
 942 }
 943
 944 void
 945 Mixer_UI::toggle_auto_rebinding()
 946 {
 947         if (auto_rebinding)
 948         {
 949                 set_auto_rebinding( FALSE );
 950         }
 951
 952         else
 953         {
 954                 set_auto_rebinding( TRUE );
 955         }
 956
 957         auto_rebind_midi_controls();
 958 }
 959
 960 void
 961 Mixer_UI::auto_rebind_midi_controls ()
 962 {
 963         TreeModel::Children rows = track_model->children();
 964         TreeModel::Children::iterator i;
 965         int pos;
 966
 967         // Create bindings for all visible strips and remove those that are not visible
 968         pos = 1;  // 0 is reserved for the master strip
 969         for (i = rows.begin(); i != rows.end(); ++i) {
 970                 MixerStrip* strip = (*i)[track_columns.strip];
 971
 972                 if ( (*i)[track_columns.visible] == true ) {  // add bindings for
 973                         // make the actual binding
 974                         //cout<<"Auto Binding:  Visible Strip Found: "<<strip->name()<<endl;
 975
 976                         int controlValue = pos;
 977                         if( strip->route()->is_master() ) {
 978                                 controlValue = 0;
 979                         }
 980                         else {
 981                                 pos++;
 982                         }
 983
 984                         PBD::Controllable::CreateBinding ( strip->solo_button->get_controllable().get(), controlValue, 0);
 985                         PBD::Controllable::CreateBinding ( strip->mute_button->get_controllable().get(), controlValue, 1);
 986
 987                         if( strip->is_audio_track() ) {
 988                                 PBD::Controllable::CreateBinding ( strip->rec_enable_button->get_controllable().get(), controlValue, 2);
 989                         }
 990
 991                         PBD::Controllable::CreateBinding ( strip->gpm.get_controllable().get(), controlValue, 3);
 992                         PBD::Controllable::CreateBinding ( strip->panners.get_controllable().get(), controlValue, 4);
 993
 994                 }
 995                 else {  // Remove any existing binding
 996                         PBD::Controllable::DeleteBinding ( strip->solo_button->get_controllable().get() );
 997                         PBD::Controllable::DeleteBinding ( strip->mute_button->get_controllable().get() );
 998
 999                         if( strip->is_audio_track() ) {
1000                                 PBD::Controllable::DeleteBinding ( strip->rec_enable_button->get_controllable().get() );
1001                         }
1002
1003                         PBD::Controllable::DeleteBinding ( strip->gpm.get_controllable().get() );
1004                         PBD::Controllable::DeleteBinding ( strip->panners.get_controllable().get() ); // This only takes the first panner if there are multiples...
1005                 }
1006
1007         } // for
1008
1009 }
1010
1011 struct SignalOrderRouteSorter {
1012     bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
1013             /* use of ">" forces the correct sort order */
1014             return a->order_key (N_("signal")) < b->order_key (N_("signal"));
1015     }
1016 };
1017
1018 void
1019 Mixer_UI::initial_track_display ()
1020 {
1021         boost::shared_ptr<RouteList> routes = _session->get_routes();
1022         RouteList copy (*routes);
1023         SignalOrderRouteSorter sorter;
1024
1025         copy.sort (sorter);
1026
1027         no_track_list_redisplay = true;
1028
1029         track_model->clear ();
1030
1031         add_strip (copy);
1032
1033         no_track_list_redisplay = false;
1034
1035         redisplay_track_list ();
1036 }
1037
1038 void
1039 Mixer_UI::show_track_list_menu ()
1040 {
1041         if (track_menu == 0) {
1042                 build_track_menu ();
1043         }
1044
1045         track_menu->popup (1, gtk_get_current_event_time());
1046 }
1047
1048 bool
1049 Mixer_UI::track_display_button_press (GdkEventButton* ev)
1050 {
1051         if (Keyboard::is_context_menu_event (ev)) {
1052                 show_track_list_menu ();
1053                 return true;
1054         }
1055
1056         TreeIter iter;
1057         TreeModel::Path path;
1058         TreeViewColumn* column;
1059         int cellx;
1060         int celly;
1061
1062         if (!track_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
1063                 return false;
1064         }
1065
1066         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
1067         case 0:
1068                 /* allow normal processing to occur */
1069                 return false;
1070
1071         case 1: /* visibility */
1072
1073                 if ((iter = track_model->get_iter (path))) {
1074                         MixerStrip* strip = (*iter)[track_columns.strip];
1075                         if (strip) {
1076
1077                                 if (!strip->route()->is_master() && !strip->route()->is_monitor()) {
1078                                         bool visible = (*iter)[track_columns.visible];
1079                                         (*iter)[track_columns.visible] = !visible;
1080                                 }
1081 #ifdef GTKOSX
1082                                 track_display.queue_draw();
1083 #endif
1084                         }
1085                 }
1086                 return true;
1087
1088         default:
1089                 break;
1090         }
1091
1092         return false;
1093 }
1094
1095
1096 void
1097 Mixer_UI::build_track_menu ()
1098 {
1099         using namespace Menu_Helpers;
1100         using namespace Gtk;
1101
1102         track_menu = new Menu;
1103         track_menu->set_name ("ArdourContextMenu");
1104         MenuList& items = track_menu->items();
1105
1106         items.push_back (MenuElem (_("Show All"), sigc::mem_fun(*this, &Mixer_UI::show_all_routes)));
1107         items.push_back (MenuElem (_("Hide All"), sigc::mem_fun(*this, &Mixer_UI::hide_all_routes)));
1108         items.push_back (MenuElem (_("Show All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiotracks)));
1109         items.push_back (MenuElem (_("Hide All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiotracks)));
1110         items.push_back (MenuElem (_("Show All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiobus)));
1111         items.push_back (MenuElem (_("Hide All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiobus)));
1112
1113 }
1114
1115 void
1116 Mixer_UI::strip_property_changed (const PropertyChange& what_changed, MixerStrip* mx)
1117 {
1118         if (!what_changed.contains (ARDOUR::Properties::name)) {
1119                 return;
1120         }
1121
1122         ENSURE_GUI_THREAD (*this, &Mixer_UI::strip_name_changed, what_changed, mx)
1123
1124         TreeModel::Children rows = track_model->children();
1125         TreeModel::Children::iterator i;
1126
1127         for (i = rows.begin(); i != rows.end(); ++i) {
1128                 if ((*i)[track_columns.strip] == mx) {
1129                         (*i)[track_columns.text] = mx->route()->name();
1130                         return;
1131                 }
1132         }
1133
1134         error << _("track display list item for renamed strip not found!") << endmsg;
1135 }
1136
1137 bool
1138 Mixer_UI::group_display_button_press (GdkEventButton* ev)
1139 {
1140         TreeModel::Path path;
1141         TreeViewColumn* column;
1142         int cellx;
1143         int celly;
1144
1145         if (!group_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
1146                 return false;
1147         }
1148
1149         TreeIter iter = group_model->get_iter (path);
1150         if (!iter) {
1151                 return false;
1152         }
1153
1154         RouteGroup* group = (*iter)[group_columns.group];
1155
1156         if (Keyboard::is_context_menu_event (ev)) {
1157                 _group_tabs->get_menu(group)->popup (1, ev->time);
1158                 return true;
1159         }
1160
1161         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
1162         case 0:
1163                 if (Keyboard::is_edit_event (ev)) {
1164                         if (group) {
1165                                 // edit_route_group (group);
1166 #ifdef GTKOSX
1167                                 group_display.queue_draw();
1168 #endif
1169                                 return true;
1170                         }
1171                 }
1172                 break;
1173
1174         case 1:
1175         {
1176                 bool visible = (*iter)[group_columns.visible];
1177                 (*iter)[group_columns.visible] = !visible;
1178 #ifdef GTKOSX
1179                 group_display.queue_draw();
1180 #endif
1181                 return true;
1182         }
1183
1184         default:
1185                 break;
1186         }
1187
1188         return false;
1189  }
1190
1191 void
1192 Mixer_UI::activate_all_route_groups ()
1193 {
1194         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), true));
1195 }
1196
1197 void
1198 Mixer_UI::disable_all_route_groups ()
1199 {
1200         _session->foreach_route_group (sigc::bind (sigc::mem_fun (*this, &Mixer_UI::set_route_group_activation), false));
1201 }
1202
1203 void
1204 Mixer_UI::route_groups_changed ()
1205 {
1206         ENSURE_GUI_THREAD (*this, &Mixer_UI::route_groups_changed);
1207
1208         _in_group_rebuild_or_clear = true;
1209
1210         /* just rebuild the while thing */
1211
1212         group_model->clear ();
1213
1214         {
1215                 TreeModel::Row row;
1216                 row = *(group_model->append());
1217                 row[group_columns.visible] = true;
1218                 row[group_columns.text] = (_("-all-"));
1219                 row[group_columns.group] = 0;
1220         }
1221
1222         _session->foreach_route_group (sigc::mem_fun (*this, &Mixer_UI::add_route_group));
1223
1224         _group_tabs->set_dirty ();
1225         _in_group_rebuild_or_clear = false;
1226 }
1227
1228 void
1229 Mixer_UI::new_route_group ()
1230 {
1231         RouteList rl;
1232
1233         _group_tabs->run_new_group_dialog (rl);
1234 }
1235
1236 void
1237 Mixer_UI::remove_selected_route_group ()
1238 {
1239         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1240         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
1241
1242         if (rows.empty()) {
1243                 return;
1244         }
1245
1246         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
1247         TreeIter iter;
1248
1249         /* selection mode is single, so rows.begin() is it */
1250
1251         if ((iter = group_model->get_iter (*i))) {
1252
1253                 RouteGroup* rg = (*iter)[group_columns.group];
1254
1255                 if (rg) {
1256                         _session->remove_route_group (*rg);
1257                 }
1258         }
1259 }
1260
1261 void
1262 Mixer_UI::route_group_property_changed (RouteGroup* group, const PropertyChange& change)
1263 {
1264         if (in_group_row_change) {
1265                 return;
1266         }
1267
1268         /* force an update of any mixer strips that are using this group,
1269            otherwise mix group names don't change in mixer strips
1270         */
1271
1272         for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
1273                 if ((*i)->route_group() == group) {
1274                         (*i)->route_group_changed();
1275                 }
1276         }
1277
1278         TreeModel::iterator i;
1279         TreeModel::Children rows = group_model->children();
1280         Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
1281
1282         in_group_row_change = true;
1283
1284         for (i = rows.begin(); i != rows.end(); ++i) {
1285                 if ((*i)[group_columns.group] == group) {
1286                         (*i)[group_columns.visible] = !group->is_hidden ();
1287                         (*i)[group_columns.text] = group->name ();
1288                         break;
1289                 }
1290         }
1291
1292         in_group_row_change = false;
1293
1294         if (change.contains (Properties::name)) {
1295                 _group_tabs->set_dirty ();
1296         }
1297
1298         for (list<MixerStrip*>::iterator j = strips.begin(); j != strips.end(); ++j) {
1299                 if ((*j)->route_group() == group) {
1300                         if (group->is_hidden ()) {
1301                                 hide_strip (*j);
1302                         } else {
1303                                 show_strip (*j);
1304                         }
1305                 }
1306         }
1307 }
1308
1309 void
1310 Mixer_UI::route_group_name_edit (const std::string& path, const std::string& new_text)
1311 {
1312         RouteGroup* group;
1313         TreeIter iter;
1314
1315         if ((iter = group_model->get_iter (path))) {
1316
1317                 if ((group = (*iter)[group_columns.group]) == 0) {
1318                         return;
1319                 }
1320
1321                 if (new_text != group->name()) {
1322                         group->set_name (new_text);
1323                 }
1324         }
1325 }
1326
1327 void
1328 Mixer_UI::route_group_row_change (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator& iter)
1329 {
1330         RouteGroup* group;
1331
1332         if (in_group_row_change) {
1333                 return;
1334         }
1335
1336         if ((group = (*iter)[group_columns.group]) == 0) {
1337                 return;
1338         }
1339
1340         std::string name = (*iter)[group_columns.text];
1341
1342         if (name != group->name()) {
1343                 group->set_name (name);
1344         }
1345
1346         bool hidden = !(*iter)[group_columns.visible];
1347
1348         if (hidden != group->is_hidden ()) {
1349                 group->set_hidden (hidden, this);
1350         }
1351 }
1352
1353 /** Called when a group model row is deleted, but also when the model is
1354  *  reordered by a user drag-and-drop; the latter is what we are
1355  *  interested in here.
1356  */
1357 void
1358 Mixer_UI::route_group_row_deleted (Gtk::TreeModel::Path const &)
1359 {
1360         if (_in_group_rebuild_or_clear) {
1361                 return;
1362         }
1363
1364         /* Re-write the session's route group list so that the new order is preserved */
1365
1366         list<RouteGroup*> new_list;
1367
1368         Gtk::TreeModel::Children children = group_model->children();
1369         for (Gtk::TreeModel::Children::iterator i = children.begin(); i != children.end(); ++i) {
1370                 RouteGroup* g = (*i)[group_columns.group];
1371                 if (g) {
1372                         new_list.push_back (g);
1373                 }
1374         }
1375
1376         _session->reorder_route_groups (new_list);
1377 }
1378
1379
1380 void
1381 Mixer_UI::add_route_group (RouteGroup* group)
1382 {
1383         ENSURE_GUI_THREAD (*this, &Mixer_UI::add_route_group, group)
1384         bool focus = false;
1385
1386         in_group_row_change = true;
1387
1388         TreeModel::Row row = *(group_model->append());
1389         row[group_columns.visible] = !group->is_hidden ();
1390         row[group_columns.group] = group;
1391         if (!group->name().empty()) {
1392                 row[group_columns.text] = group->name();
1393         } else {
1394                 row[group_columns.text] = _("unnamed");
1395                 focus = true;
1396         }
1397
1398         group->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::route_group_property_changed, this, group, _1), gui_context());
1399
1400         if (focus) {
1401                 TreeViewColumn* col = group_display.get_column (0);
1402                 CellRendererText* name_cell = dynamic_cast<CellRendererText*>(group_display.get_column_cell_renderer (0));
1403                 group_display.set_cursor (group_model->get_path (row), *col, *name_cell, true);
1404         }
1405
1406         _group_tabs->set_dirty ();
1407
1408         in_group_row_change = false;
1409 }
1410
1411 bool
1412 Mixer_UI::strip_scroller_button_release (GdkEventButton* ev)
1413 {
1414         using namespace Menu_Helpers;
1415
1416         if (Keyboard::is_context_menu_event (ev)) {
1417                 ARDOUR_UI::instance()->add_route (this);
1418                 return true;
1419         }
1420
1421         return false;
1422 }
1423
1424 void
1425 Mixer_UI::set_strip_width (Width w)
1426 {
1427         _strip_width = w;
1428
1429         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1430                 (*i)->set_width_enum (w, this);
1431         }
1432 }
1433
1434 void
1435 Mixer_UI::set_window_pos_and_size ()
1436 {
1437         resize (m_width, m_height);
1438         move (m_root_x, m_root_y);
1439 }
1440
1441         void
1442 Mixer_UI::get_window_pos_and_size ()
1443 {
1444         get_position(m_root_x, m_root_y);
1445         get_size(m_width, m_height);
1446 }
1447
1448 int
1449 Mixer_UI::set_state (const XMLNode& node)
1450 {
1451         const XMLProperty* prop;
1452         XMLNode* geometry;
1453
1454         m_width = default_width;
1455         m_height = default_height;
1456         m_root_x = 1;
1457         m_root_y = 1;
1458
1459         if ((geometry = find_named_node (node, "geometry")) != 0) {
1460
1461                 XMLProperty* prop;
1462
1463                 if ((prop = geometry->property("x_size")) == 0) {
1464                         prop = geometry->property ("x-size");
1465                 }
1466                 if (prop) {
1467                         m_width = atoi(prop->value());
1468                 }
1469                 if ((prop = geometry->property("y_size")) == 0) {
1470                         prop = geometry->property ("y-size");
1471                 }
1472                 if (prop) {
1473                         m_height = atoi(prop->value());
1474                 }
1475
1476                 if ((prop = geometry->property ("x_pos")) == 0) {
1477                         prop = geometry->property ("x-pos");
1478                 }
1479                 if (prop) {
1480                         m_root_x = atoi (prop->value());
1481
1482                 }
1483                 if ((prop = geometry->property ("y_pos")) == 0) {
1484                         prop = geometry->property ("y-pos");
1485                 }
1486                 if (prop) {
1487                         m_root_y = atoi (prop->value());
1488                 }
1489         }
1490
1491         set_window_pos_and_size ();
1492
1493         if ((prop = node.property ("narrow-strips"))) {
1494                 if (string_is_affirmative (prop->value())) {
1495                         set_strip_width (Narrow);
1496                 } else {
1497                         set_strip_width (Wide);
1498                 }
1499         }
1500
1501         if ((prop = node.property ("show-mixer"))) {
1502                 if (string_is_affirmative (prop->value())) {
1503                        _visible = true;
1504                 }
1505         }
1506
1507         return 0;
1508 }
1509
1510 XMLNode&
1511 Mixer_UI::get_state (void)
1512 {
1513         XMLNode* node = new XMLNode ("Mixer");
1514
1515         if (is_realized()) {
1516                 Glib::RefPtr<Gdk::Window> win = get_window();
1517
1518                 get_window_pos_and_size ();
1519
1520                 XMLNode* geometry = new XMLNode ("geometry");
1521                 char buf[32];
1522                 snprintf(buf, sizeof(buf), "%d", m_width);
1523                 geometry->add_property(X_("x_size"), string(buf));
1524                 snprintf(buf, sizeof(buf), "%d", m_height);
1525                 geometry->add_property(X_("y_size"), string(buf));
1526                 snprintf(buf, sizeof(buf), "%d", m_root_x);
1527                 geometry->add_property(X_("x_pos"), string(buf));
1528                 snprintf(buf, sizeof(buf), "%d", m_root_y);
1529                 geometry->add_property(X_("y_pos"), string(buf));
1530
1531                 // written only for compatibility, they are not used.
1532                 snprintf(buf, sizeof(buf), "%d", 0);
1533                 geometry->add_property(X_("x_off"), string(buf));
1534                 snprintf(buf, sizeof(buf), "%d", 0);
1535                 geometry->add_property(X_("y_off"), string(buf));
1536
1537                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&rhs_pane1)->gobj()));
1538                 geometry->add_property(X_("mixer_rhs_pane1_pos"), string(buf));
1539                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&list_hpane)->gobj()));
1540                 geometry->add_property(X_("mixer_list_hpane_pos"), string(buf));
1541
1542                 node->add_child_nocopy (*geometry);
1543         }
1544
1545         node->add_property ("narrow-strips", _strip_width == Narrow ? "yes" : "no");
1546
1547         node->add_property ("show-mixer", _visible ? "yes" : "no");
1548
1549         return *node;
1550 }
1551
1552
1553 void
1554 Mixer_UI::pane_allocation_handler (Allocation&, Gtk::Paned* which)
1555 {
1556         int pos;
1557         XMLProperty* prop = 0;
1558         char buf[32];
1559         XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
1560         XMLNode* geometry;
1561         int height;
1562         static int32_t done[3] = { 0, 0, 0 };
1563
1564         height = default_height;
1565
1566         if ((geometry = find_named_node (*node, "geometry")) != 0) {
1567
1568                 if ((prop = geometry->property ("y_size")) == 0) {
1569                         prop = geometry->property ("y-size");
1570                 }
1571                 if (prop) {
1572                         height = atoi (prop->value());
1573                 }
1574         }
1575
1576         if (which == static_cast<Gtk::Paned*> (&rhs_pane1)) {
1577
1578                 if (done[0]) {
1579                         return;
1580                 }
1581
1582                 if (!geometry || (prop = geometry->property("mixer-rhs-pane1-pos")) == 0) {
1583                         pos = height / 3;
1584                         snprintf (buf, sizeof(buf), "%d", pos);
1585                 } else {
1586                         pos = atoi (prop->value());
1587                 }
1588
1589                 if ((done[0] = GTK_WIDGET(rhs_pane1.gobj())->allocation.height > pos)) {
1590                         rhs_pane1.set_position (pos);
1591                 }
1592
1593         } else if (which == static_cast<Gtk::Paned*> (&list_hpane)) {
1594
1595                 if (done[2]) {
1596                         return;
1597                 }
1598
1599                 if (!geometry || (prop = geometry->property("mixer-list-hpane-pos")) == 0) {
1600                         pos = 75;
1601                         snprintf (buf, sizeof(buf), "%d", pos);
1602                 } else {
1603                         pos = atoi (prop->value());
1604                 }
1605
1606                 if ((done[2] = GTK_WIDGET(list_hpane.gobj())->allocation.width > pos)) {
1607                         list_hpane.set_position (pos);
1608                 }
1609         }
1610 }
1611 void
1612 Mixer_UI::scroll_left ()
1613 {
1614         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
1615         /* stupid GTK: can't rely on clamping across versions */
1616         scroller.get_hscrollbar()->set_value (max (adj->get_lower(), adj->get_value() - adj->get_step_increment()));
1617 }
1618
1619 void
1620 Mixer_UI::scroll_right ()
1621 {
1622         Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
1623         /* stupid GTK: can't rely on clamping across versions */
1624         scroller.get_hscrollbar()->set_value (min (adj->get_upper(), adj->get_value() + adj->get_step_increment()));
1625 }
1626
1627 bool
1628 Mixer_UI::on_key_press_event (GdkEventKey* ev)
1629 {
1630         /* focus widget gets first shot, then bindings, otherwise
1631            forward to main window
1632         */
1633
1634         if (gtk_window_propagate_key_event (GTK_WINDOW(gobj()), ev)) {
1635                 return true;
1636         }
1637
1638         KeyboardKey k (ev->state, ev->keyval);
1639
1640         if (bindings.activate (k, Bindings::Press)) {
1641                 return true;
1642         }
1643
1644         return forward_key_press (ev);
1645 }
1646
1647 bool
1648 Mixer_UI::on_key_release_event (GdkEventKey* ev)
1649 {
1650         if (gtk_window_propagate_key_event (GTK_WINDOW(gobj()), ev)) {
1651                 return true;
1652         }
1653
1654         KeyboardKey k (ev->state, ev->keyval);
1655
1656         if (bindings.activate (k, Bindings::Release)) {
1657                 return true;
1658         }
1659
1660         /* don't forward releases */
1661
1662         return true;
1663 }
1664
1665 bool
1666 Mixer_UI::on_scroll_event (GdkEventScroll* ev)
1667 {
1668         switch (ev->direction) {
1669         case GDK_SCROLL_LEFT:
1670                 scroll_left ();
1671                 return true;
1672         case GDK_SCROLL_UP:
1673                 if (ev->state & Keyboard::TertiaryModifier) {
1674                         scroll_left ();
1675                         return true;
1676                 }
1677                 return false;
1678
1679         case GDK_SCROLL_RIGHT:
1680                 scroll_right ();
1681                 return true;
1682
1683         case GDK_SCROLL_DOWN:
1684                 if (ev->state & Keyboard::TertiaryModifier) {
1685                         scroll_right ();
1686                         return true;
1687                 }
1688                 return false;
1689         }
1690
1691         return false;
1692 }
1693
1694
1695 void
1696 Mixer_UI::parameter_changed (string const & p)
1697 {
1698         if (p == "show-group-tabs") {
1699                 bool const s = _session->config.get_show_group_tabs ();
1700                 if (s) {
1701                         _group_tabs->show ();
1702                 } else {
1703                         _group_tabs->hide ();
1704                 }
1705         } else if (p == "default-narrow_ms") {
1706                 bool const s = Config->get_default_narrow_ms ();
1707                 for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1708                         (*i)->set_width_enum (s ? Narrow : Wide, this);
1709                 }
1710         }
1711 }
1712
1713 void
1714 Mixer_UI::set_route_group_activation (RouteGroup* g, bool a)
1715 {
1716         g->set_active (a, this);
1717 }
1718
1719 PluginSelector*
1720 Mixer_UI::plugin_selector()
1721 {
1722 #ifdef DEFER_PLUGIN_SELECTOR_LOAD
1723         if (!_plugin_selector)
1724                 _plugin_selector = new PluginSelector (PluginManager::instance());
1725 #endif
1726
1727         return _plugin_selector;
1728 }
1729
1730 void
1731 Mixer_UI::setup_track_display ()
1732 {
1733         track_model = ListStore::create (track_columns);
1734         track_display.set_model (track_model);
1735         track_display.append_column (_("Strips"), track_columns.text);
1736         track_display.append_column (_("Show"), track_columns.visible);
1737         track_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
1738         track_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
1739         track_display.get_column (0)->set_expand(true);
1740         track_display.get_column (1)->set_expand(false);
1741         track_display.set_name (X_("MixerTrackDisplayList"));
1742         track_display.get_selection()->set_mode (Gtk::SELECTION_NONE);
1743         track_display.set_reorderable (true);
1744         track_display.set_headers_visible (true);
1745
1746         track_model->signal_row_deleted().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_delete));
1747         track_model->signal_row_changed().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_change));
1748         track_model->signal_rows_reordered().connect (sigc::mem_fun (*this, &Mixer_UI::track_list_reorder));
1749
1750         CellRendererToggle* track_list_visible_cell = dynamic_cast<CellRendererToggle*>(track_display.get_column_cell_renderer (1));
1751         track_list_visible_cell->property_activatable() = true;
1752         track_list_visible_cell->property_radio() = false;
1753
1754         track_display.signal_button_press_event().connect (sigc::mem_fun (*this, &Mixer_UI::track_display_button_press), false);
1755
1756         track_display_scroller.add (track_display);
1757         track_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1758
1759         VBox* v = manage (new VBox);
1760         v->show ();
1761         v->pack_start (track_display_scroller, true, true);
1762
1763         Button* b = manage (new Button);
1764         b->show ();
1765         Widget* w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
1766         w->show ();
1767         b->add (*w);
1768
1769         b->signal_clicked().connect (sigc::mem_fun (*this, &Mixer_UI::new_track_or_bus));
1770
1771         v->pack_start (*b, false, false);
1772
1773         track_display_frame.set_name("BaseFrame");
1774         track_display_frame.set_shadow_type (Gtk::SHADOW_IN);
1775         track_display_frame.add (*v);
1776
1777         track_display_scroller.show();
1778         track_display_frame.show();
1779         track_display.show();
1780 }
1781
1782 void
1783 Mixer_UI::new_track_or_bus ()
1784 {
1785         ARDOUR_UI::instance()->add_route (this);
1786 }
1787
1788
1789 void
1790 Mixer_UI::update_title ()
1791 {
1792         if (_session) {
1793                 string n;
1794
1795                 if (_session->snap_name() != _session->name()) {
1796                         n = _session->snap_name ();
1797                 } else {
1798                         n = _session->name ();
1799                 }
1800
1801                 if (_session->dirty ()) {
1802                         n = "*" + n;
1803                 }
1804
1805                 WindowTitle title (n);
1806                 title += S_("Window|Mixer");
1807                 title += Glib::get_application_name ();
1808                 set_title (title.get_string());
1809
1810         } else {
1811
1812                 WindowTitle title (S_("Window|Mixer"));
1813                 title += Glib::get_application_name ();
1814                 set_title (title.get_string());
1815         }
1816 }
1817
1818 MixerStrip*
1819 Mixer_UI::strip_by_x (int x)
1820 {
1821         for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
1822                 int x1, x2, y;
1823
1824                 (*i)->translate_coordinates (*this, 0, 0, x1, y);
1825                 x2 = x1 + (*i)->get_width();
1826
1827                 if (x >= x1 && x <= x2) {
1828                         return (*i);
1829                 }
1830         }
1831
1832         return 0;
1833 }
1834
1835 void
1836 Mixer_UI::set_route_targets_for_operation ()
1837 {
1838         _route_targets.clear ();
1839
1840         if (!_selection.empty()) {
1841                 _route_targets = _selection.routes;
1842                 return;
1843         }
1844
1845         /* try to get mixer strip at mouse */
1846
1847         int x, y;
1848         get_pointer (x, y);
1849
1850         MixerStrip* ms = strip_by_x (x);
1851
1852         if (ms) {
1853                 _route_targets.insert (ms);
1854         }
1855 }
1856
1857 void
1858 Mixer_UI::monitor_section_going_away ()
1859 {
1860         if (_monitor_section) {
1861                 out_packer.remove (_monitor_section->tearoff());
1862                 _monitor_section->set_session (0);
1863         }
1864 }