gtk2_ardour/mixer_strip.cc

   1 /*
   2     Copyright (C) 2000-2006 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 #include <cmath>
  20 #include <list>
  21 #include <algorithm>
  22
  23 #include <sigc++/bind.h>
  24
  25 #include "pbd/convert.h"
  26 #include "pbd/enumwriter.h"
  27 #include "pbd/replace_all.h"
  28 #include "pbd/stacktrace.h"
  29
  30 #include <gtkmm2ext/gtk_ui.h>
  31 #include <gtkmm2ext/utils.h>
  32 #include <gtkmm2ext/choice.h>
  33 #include <gtkmm2ext/doi.h>
  34 #include <gtkmm2ext/slider_controller.h>
  35 #include <gtkmm2ext/bindable_button.h>
  36
  37 #include "ardour/amp.h"
  38 #include "ardour/audio_track.h"
  39 #include "ardour/audioengine.h"
  40 #include "ardour/internal_send.h"
  41 #include "ardour/io.h"
  42 #include "ardour/meter.h"
  43 #include "ardour/midi_track.h"
  44 #include "ardour/pannable.h"
  45 #include "ardour/panner.h"
  46 #include "ardour/panner_shell.h"
  47 #include "ardour/panner_manager.h"
  48 #include "ardour/port.h"
  49 #include "ardour/profile.h"
  50 #include "ardour/route.h"
  51 #include "ardour/route_group.h"
  52 #include "ardour/send.h"
  53 #include "ardour/session.h"
  54 #include "ardour/types.h"
  55 #include "ardour/user_bundle.h"
  56 #include "ardour/vca.h"
  57 #include "ardour/vca_manager.h"
  58
  59 #include "ardour_window.h"
  60 #include "mixer_strip.h"
  61 #include "mixer_ui.h"
  62 #include "keyboard.h"
  63 #include "ardour_button.h"
  64 #include "public_editor.h"
  65 #include "send_ui.h"
  66 #include "io_selector.h"
  67 #include "utils.h"
  68 #include "gui_thread.h"
  69 #include "route_group_menu.h"
  70 #include "meter_patterns.h"
  71 #include "tooltips.h"
  72 #include "ui_config.h"
  73
  74 #include "pbd/i18n.h"
  75
  76 using namespace ARDOUR;
  77 using namespace ARDOUR_UI_UTILS;
  78 using namespace PBD;
  79 using namespace Gtk;
  80 using namespace Gtkmm2ext;
  81 using namespace std;
  82 using namespace ArdourMeter;
  83
  84 MixerStrip* MixerStrip::_entered_mixer_strip;
  85 PBD::Signal1<void,MixerStrip*> MixerStrip::CatchDeletion;
  86
  87 MixerStrip::MixerStrip (Mixer_UI& mx, Session* sess, bool in_mixer)
  88         : SessionHandlePtr (sess)
  89         , RouteUI (sess)
  90         , _mixer(mx)
  91         , _mixer_owned (in_mixer)
  92         , processor_box (sess, boost::bind (&MixerStrip::plugin_selector, this), mx.selection(), this, in_mixer)
  93         , gpm (sess, 250)
  94         , panners (sess)
  95         , button_size_group (Gtk::SizeGroup::create (Gtk::SIZE_GROUP_HORIZONTAL))
  96         , rec_mon_table (2, 2)
  97         , solo_iso_table (1, 2)
  98         , mute_solo_table (1, 2)
  99         , bottom_button_table (1, 3)
 100         , meter_point_button (_("pre"))
 101         , monitor_section_button (0)
 102         , midi_input_enable_button (0)
 103         , _plugin_insert_cnt (0)
 104         , _comment_button (_("Comments"))
 105         , trim_control (ArdourKnob::default_elements, ArdourKnob::Flags (ArdourKnob::Detent | ArdourKnob::ArcToZero))
 106         , _visibility (X_("mixer-element-visibility"))
 107         , control_slave_ui (sess)
 108 {
 109         init ();
 110
 111         if (!_mixer_owned) {
 112                 /* the editor mixer strip: don't destroy it every time
 113                    the underlying route goes away.
 114                 */
 115
 116                 self_destruct = false;
 117         }
 118 }
 119
 120 MixerStrip::MixerStrip (Mixer_UI& mx, Session* sess, boost::shared_ptr<Route> rt, bool in_mixer)
 121         : SessionHandlePtr (sess)
 122         , RouteUI (sess)
 123         , _mixer(mx)
 124         , _mixer_owned (in_mixer)
 125         , processor_box (sess, boost::bind (&MixerStrip::plugin_selector, this), mx.selection(), this, in_mixer)
 126         , gpm (sess, 250)
 127         , panners (sess)
 128         , button_size_group (Gtk::SizeGroup::create (Gtk::SIZE_GROUP_HORIZONTAL))
 129         , rec_mon_table (2, 2)
 130         , solo_iso_table (1, 2)
 131         , mute_solo_table (1, 2)
 132         , bottom_button_table (1, 3)
 133         , meter_point_button (_("pre"))
 134         , monitor_section_button (0)
 135         , midi_input_enable_button (0)
 136         , _comment_button (_("Comments"))
 137         , trim_control (ArdourKnob::default_elements, ArdourKnob::Flags (ArdourKnob::Detent | ArdourKnob::ArcToZero))
 138         , _visibility (X_("mixer-element-visibility"))
 139         , control_slave_ui (sess)
 140 {
 141         init ();
 142         set_route (rt);
 143 }
 144
 145 void
 146 MixerStrip::init ()
 147 {
 148         _entered_mixer_strip= 0;
 149         group_menu = 0;
 150         route_ops_menu = 0;
 151         ignore_comment_edit = false;
 152         ignore_toggle = false;
 153         comment_area = 0;
 154         _width_owner = 0;
 155         spacer = 0;
 156
 157         /* the length of this string determines the width of the mixer strip when it is set to `wide' */
 158         longest_label = "longest label";
 159
 160         string t = _("Click to toggle the width of this mixer strip.");
 161         if (_mixer_owned) {
 162                 t += string_compose (_("\n%1-%2-click to toggle the width of all strips."), Keyboard::primary_modifier_name(), Keyboard::tertiary_modifier_name ());
 163         }
 164
 165         width_button.set_icon (ArdourIcon::StripWidth);
 166         hide_button.set_tweaks (ArdourButton::Square);
 167         set_tooltip (width_button, t);
 168
 169         hide_button.set_icon (ArdourIcon::CloseCross);
 170         hide_button.set_tweaks (ArdourButton::Square);
 171         set_tooltip (&hide_button, _("Hide this mixer strip"));
 172
 173         input_button_box.set_spacing(2);
 174
 175         input_button.set_text (_("Input"));
 176         input_button.set_name ("mixer strip button");
 177         input_button_box.pack_start (input_button, true, true);
 178
 179         output_button.set_text (_("Output"));
 180         output_button.set_name ("mixer strip button");
 181
 182         set_tooltip (&meter_point_button, _("Click to select metering point"));
 183         meter_point_button.set_name ("mixer strip button");
 184
 185         bottom_button_table.attach (meter_point_button, 2, 3, 0, 1);
 186
 187         meter_point_button.signal_button_press_event().connect (sigc::mem_fun (gpm, &GainMeter::meter_press), false);
 188         meter_point_button.signal_button_release_event().connect (sigc::mem_fun (gpm, &GainMeter::meter_release), false);
 189
 190         hide_button.set_events (hide_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
 191
 192         solo_isolated_led = manage (new ArdourButton (ArdourButton::led_default_elements));
 193         solo_isolated_led->show ();
 194         solo_isolated_led->set_no_show_all (true);
 195         solo_isolated_led->set_name (X_("solo isolate"));
 196         solo_isolated_led->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 197         solo_isolated_led->signal_button_release_event().connect (sigc::mem_fun (*this, &RouteUI::solo_isolate_button_release), false);
 198         UI::instance()->set_tip (solo_isolated_led, _("Isolate Solo"), "");
 199
 200         solo_safe_led = manage (new ArdourButton (ArdourButton::led_default_elements));
 201         solo_safe_led->show ();
 202         solo_safe_led->set_no_show_all (true);
 203         solo_safe_led->set_name (X_("solo safe"));
 204         solo_safe_led->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 205         solo_safe_led->signal_button_release_event().connect (sigc::mem_fun (*this, &RouteUI::solo_safe_button_release), false);
 206         UI::instance()->set_tip (solo_safe_led, _("Lock Solo Status"), "");
 207
 208         solo_safe_led->set_text (S_("SoloLock|Lock"));
 209         solo_isolated_led->set_text (_("Iso"));
 210
 211         solo_iso_table.set_homogeneous (true);
 212         solo_iso_table.set_spacings (2);
 213         if (!ARDOUR::Profile->get_trx()) {
 214                 solo_iso_table.attach (*solo_isolated_led, 0, 1, 0, 1);
 215                 solo_iso_table.attach (*solo_safe_led, 1, 2, 0, 1);
 216         }
 217         solo_iso_table.show ();
 218
 219         rec_mon_table.set_homogeneous (true);
 220         rec_mon_table.set_row_spacings (2);
 221         rec_mon_table.set_col_spacings (2);
 222         if (ARDOUR::Profile->get_mixbus()) {
 223                 rec_mon_table.resize (1, 3);
 224                 rec_mon_table.attach (*monitor_input_button, 1, 2, 0, 1);
 225                 rec_mon_table.attach (*monitor_disk_button, 2, 3, 0, 1);
 226         } else if (!ARDOUR::Profile->get_trx()) {
 227                 rec_mon_table.attach (*monitor_input_button, 1, 2, 0, 1);
 228                 rec_mon_table.attach (*monitor_disk_button, 1, 2, 1, 2);
 229         }
 230         rec_mon_table.show ();
 231
 232         if (solo_isolated_led) {
 233                 button_size_group->add_widget (*solo_isolated_led);
 234         }
 235         if (solo_safe_led) {
 236                 button_size_group->add_widget (*solo_safe_led);
 237         }
 238
 239         if (!ARDOUR::Profile->get_mixbus()) {
 240                 if (rec_enable_button) {
 241                         button_size_group->add_widget (*rec_enable_button);
 242                 }
 243                 if (monitor_disk_button) {
 244                         button_size_group->add_widget (*monitor_disk_button);
 245                 }
 246                 if (monitor_input_button) {
 247                         button_size_group->add_widget (*monitor_input_button);
 248                 }
 249         }
 250
 251         mute_solo_table.set_homogeneous (true);
 252         mute_solo_table.set_spacings (2);
 253
 254         bottom_button_table.set_spacings (2);
 255         bottom_button_table.set_homogeneous (true);
 256         bottom_button_table.attach (group_button, 1, 2, 0, 1);
 257         bottom_button_table.attach (gpm.gain_automation_state_button, 0, 1, 0, 1);
 258
 259         name_button.set_name ("mixer strip button");
 260         name_button.set_text_ellipsize (Pango::ELLIPSIZE_END);
 261         name_button.signal_size_allocate().connect (sigc::mem_fun (*this, &MixerStrip::name_button_resized));
 262
 263         set_tooltip (&group_button, _("Mix group"));
 264         group_button.set_name ("mixer strip button");
 265
 266         _comment_button.set_name (X_("mixer strip button"));
 267         _comment_button.set_text_ellipsize (Pango::ELLIPSIZE_END);
 268         _comment_button.signal_clicked.connect (sigc::mem_fun (*this, &RouteUI::toggle_comment_editor));
 269         _comment_button.signal_size_allocate().connect (sigc::mem_fun (*this, &MixerStrip::comment_button_resized));
 270
 271         // TODO implement ArdourKnob::on_size_request properly
 272 #define PX_SCALE(px) std::max((float)px, rintf((float)px * UIConfiguration::instance().get_ui_scale()))
 273         trim_control.set_size_request (PX_SCALE(19), PX_SCALE(19));
 274 #undef PX_SCALE
 275         trim_control.set_tooltip_prefix (_("Trim: "));
 276         trim_control.set_name ("trim knob");
 277         trim_control.set_no_show_all (true);
 278         input_button_box.pack_start (trim_control, false, false);
 279
 280         global_vpacker.set_border_width (1);
 281         global_vpacker.set_spacing (0);
 282
 283         width_button.set_name ("mixer strip button");
 284         hide_button.set_name ("mixer strip button");
 285
 286         width_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::width_button_pressed), false);
 287         hide_button.signal_clicked.connect (sigc::mem_fun(*this, &MixerStrip::hide_clicked));
 288
 289         width_hide_box.set_spacing (2);
 290         width_hide_box.pack_start (width_button, false, true);
 291         width_hide_box.pack_start (number_label, true, true);
 292         width_hide_box.pack_end (hide_button, false, true);
 293
 294         number_label.set_text ("-");
 295         number_label.set_elements((ArdourButton::Element)(ArdourButton::Edge|ArdourButton::Body|ArdourButton::Text|ArdourButton::Inactive));
 296         number_label.set_no_show_all ();
 297         number_label.set_name ("tracknumber label");
 298         number_label.set_fixed_colors (0x80808080, 0x80808080);
 299         number_label.set_alignment (.5, .5);
 300         number_label.set_fallthrough_to_parent (true);
 301         number_label.set_tweaks (ArdourButton::OccasionalText);
 302
 303         global_vpacker.set_spacing (2);
 304         if (!ARDOUR::Profile->get_trx()) {
 305                 global_vpacker.pack_start (width_hide_box, Gtk::PACK_SHRINK);
 306                 global_vpacker.pack_start (name_button, Gtk::PACK_SHRINK);
 307                 global_vpacker.pack_start (input_button_box, Gtk::PACK_SHRINK);
 308                 global_vpacker.pack_start (_invert_button_box, Gtk::PACK_SHRINK);
 309                 global_vpacker.pack_start (processor_box, true, true);
 310         }
 311         global_vpacker.pack_start (panners, Gtk::PACK_SHRINK);
 312         global_vpacker.pack_start (rec_mon_table, Gtk::PACK_SHRINK);
 313         global_vpacker.pack_start (solo_iso_table, Gtk::PACK_SHRINK);
 314         global_vpacker.pack_start (mute_solo_table, Gtk::PACK_SHRINK);
 315         global_vpacker.pack_start (gpm, Gtk::PACK_SHRINK);
 316         global_vpacker.pack_start (control_slave_ui, Gtk::PACK_SHRINK);
 317         global_vpacker.pack_start (bottom_button_table, Gtk::PACK_SHRINK);
 318         if (!ARDOUR::Profile->get_trx()) {
 319                 global_vpacker.pack_start (output_button, Gtk::PACK_SHRINK);
 320                 global_vpacker.pack_start (_comment_button, Gtk::PACK_SHRINK);
 321         } else {
 322                 global_vpacker.pack_start (name_button, Gtk::PACK_SHRINK);
 323         }
 324
 325         global_frame.add (global_vpacker);
 326         global_frame.set_shadow_type (Gtk::SHADOW_IN);
 327         global_frame.set_name ("BaseFrame");
 328
 329         add (global_frame);
 330
 331         /* force setting of visible selected status */
 332
 333         _selected = true;
 334         set_selected (false);
 335
 336         _packed = false;
 337         _embedded = false;
 338
 339         _session->engine().Stopped.connect (*this, invalidator (*this), boost::bind (&MixerStrip::engine_stopped, this), gui_context());
 340         _session->engine().Running.connect (*this, invalidator (*this), boost::bind (&MixerStrip::engine_running, this), gui_context());
 341
 342         input_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::input_press), false);
 343         input_button.signal_button_release_event().connect (sigc::mem_fun(*this, &MixerStrip::input_release), false);
 344         input_button.signal_size_allocate().connect (sigc::mem_fun (*this, &MixerStrip::input_button_resized));
 345
 346         input_button.set_text_ellipsize (Pango::ELLIPSIZE_MIDDLE);
 347         output_button.set_text_ellipsize (Pango::ELLIPSIZE_MIDDLE);
 348
 349         output_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::output_press), false);
 350         output_button.signal_button_release_event().connect (sigc::mem_fun(*this, &MixerStrip::output_release), false);
 351         output_button.signal_size_allocate().connect (sigc::mem_fun (*this, &MixerStrip::output_button_resized));
 352
 353         number_label.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::number_button_button_press), false);
 354
 355         name_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::name_button_button_press), false);
 356         name_button.signal_button_release_event().connect (sigc::mem_fun(*this, &MixerStrip::name_button_button_release), false);
 357
 358         group_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::select_route_group), false);
 359
 360         _width = (Width) -1;
 361
 362         /* start off as a passthru strip. we'll correct this, if necessary,
 363            in update_diskstream_display().
 364         */
 365
 366         /* start off as a passthru strip. we'll correct this, if necessary,
 367            in update_diskstream_display().
 368         */
 369
 370         if (is_midi_track()) {
 371                 set_name ("MidiTrackStripBase");
 372         } else {
 373                 set_name ("AudioTrackStripBase");
 374         }
 375
 376         add_events (Gdk::BUTTON_RELEASE_MASK|
 377                     Gdk::ENTER_NOTIFY_MASK|
 378                     Gdk::LEAVE_NOTIFY_MASK|
 379                     Gdk::KEY_PRESS_MASK|
 380                     Gdk::KEY_RELEASE_MASK);
 381
 382         set_flags (get_flags() | Gtk::CAN_FOCUS);
 383
 384         AudioEngine::instance()->PortConnectedOrDisconnected.connect (
 385                 *this, invalidator (*this), boost::bind (&MixerStrip::port_connected_or_disconnected, this, _1, _3), gui_context ()
 386                 );
 387
 388         /* Add the widgets under visibility control to the VisibilityGroup; the names used here
 389            must be the same as those used in RCOptionEditor so that the configuration changes
 390            are recognised when they occur.
 391         */
 392         _visibility.add (&input_button_box, X_("Input"), _("Input"), false);
 393         _visibility.add (&_invert_button_box, X_("PhaseInvert"), _("Phase Invert"), false);
 394         _visibility.add (&rec_mon_table, X_("RecMon"), _("Record & Monitor"), false);
 395         _visibility.add (&solo_iso_table, X_("SoloIsoLock"), _("Solo Iso / Lock"), false);
 396         _visibility.add (&output_button, X_("Output"), _("Output"), false);
 397         _visibility.add (&_comment_button, X_("Comments"), _("Comments"), false);
 398         _visibility.add (&control_slave_ui, X_("VCA"), _("VCA Assigns"), false);
 399
 400         parameter_changed (X_("mixer-element-visibility"));
 401         UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &MixerStrip::parameter_changed));
 402         Config->ParameterChanged.connect (_config_connection, MISSING_INVALIDATOR, boost::bind (&MixerStrip::parameter_changed, this, _1), gui_context());
 403         _session->config.ParameterChanged.connect (_config_connection, MISSING_INVALIDATOR, boost::bind (&MixerStrip::parameter_changed, this, _1), gui_context());
 404
 405         //watch for mouse enter/exit so we can do some stuff
 406         signal_enter_notify_event().connect (sigc::mem_fun(*this, &MixerStrip::mixer_strip_enter_event ));
 407         signal_leave_notify_event().connect (sigc::mem_fun(*this, &MixerStrip::mixer_strip_leave_event ));
 408
 409         gpm.LevelMeterButtonPress.connect_same_thread (_level_meter_connection, boost::bind (&MixerStrip::level_meter_button_press, this, _1));
 410 }
 411
 412 MixerStrip::~MixerStrip ()
 413 {
 414         CatchDeletion (this);
 415
 416         if (this ==_entered_mixer_strip)
 417                 _entered_mixer_strip = NULL;
 418 }
 419
 420 bool
 421 MixerStrip::mixer_strip_enter_event (GdkEventCrossing* /*ev*/)
 422 {
 423         _entered_mixer_strip = this;
 424
 425         //although we are triggering on the "enter", to the user it will appear that it is happenin on the "leave"
 426         //because the mixerstrip control is a parent that encompasses the strip
 427         deselect_all_processors();
 428
 429         return false;
 430 }
 431
 432 bool
 433 MixerStrip::mixer_strip_leave_event (GdkEventCrossing *ev)
 434 {
 435         //if we have moved outside our strip, but not into a child view, then deselect ourselves
 436         if ( !(ev->detail == GDK_NOTIFY_INFERIOR) ) {
 437                 _entered_mixer_strip= 0;
 438
 439                 //clear keyboard focus in the gain display.  this is cheesy but fixes a longstanding "bug" where the user starts typing in the gain entry, and leaves it active, thereby prohibiting other keybindings from working
 440                 gpm.gain_display.set_sensitive(false);
 441                 gpm.show_gain();
 442                 gpm.gain_display.set_sensitive(true);
 443
 444                 //if we leave this mixer strip we need to clear out any selections
 445                 //processor_box.processor_display.select_none();  //but this doesn't work, because it gets triggered when (for example) you open the menu or start a drag
 446         }
 447
 448         return false;
 449 }
 450
 451 string
 452 MixerStrip::name() const
 453 {
 454         if (_route) {
 455                 return _route->name();
 456         }
 457         return string();
 458 }
 459
 460 void
 461 MixerStrip::update_trim_control ()
 462 {
 463         if (route()->trim() && route()->trim()->active() &&
 464             route()->n_inputs().n_audio() > 0) {
 465                 trim_control.show ();
 466                 trim_control.set_controllable (route()->trim()->gain_control());
 467         } else {
 468                 trim_control.hide ();
 469                 boost::shared_ptr<Controllable> none;
 470                 trim_control.set_controllable (none);
 471         }
 472 }
 473
 474 void
 475 MixerStrip::set_route (boost::shared_ptr<Route> rt)
 476 {
 477         //the rec/monitor stuff only shows up for tracks.
 478         //the show_sends only shows up for buses.
 479         //remove them all here, and we may add them back later
 480         if (show_sends_button->get_parent()) {
 481                 rec_mon_table.remove (*show_sends_button);
 482         }
 483         if (rec_enable_button->get_parent()) {
 484                 rec_mon_table.remove (*rec_enable_button);
 485         }
 486         if (monitor_input_button->get_parent()) {
 487                 rec_mon_table.remove (*monitor_input_button);
 488         }
 489         if (monitor_disk_button->get_parent()) {
 490                 rec_mon_table.remove (*monitor_disk_button);
 491         }
 492         if (group_button.get_parent()) {
 493                 bottom_button_table.remove (group_button);
 494         }
 495
 496         RouteUI::set_route (rt);
 497
 498         control_slave_ui.set_stripable (boost::dynamic_pointer_cast<Stripable> (rt));
 499
 500         /* ProcessorBox needs access to _route so that it can read
 501            GUI object state.
 502         */
 503         processor_box.set_route (rt);
 504
 505         revert_to_default_display ();
 506
 507         /* unpack these from the parent and stuff them into our own
 508            table
 509         */
 510
 511         if (gpm.peak_display.get_parent()) {
 512                 gpm.peak_display.get_parent()->remove (gpm.peak_display);
 513         }
 514         if (gpm.gain_display.get_parent()) {
 515                 gpm.gain_display.get_parent()->remove (gpm.gain_display);
 516         }
 517
 518         gpm.set_type (rt->meter_type());
 519
 520         mute_solo_table.attach (gpm.gain_display,0,1,1,2, EXPAND|FILL, EXPAND);
 521         mute_solo_table.attach (gpm.peak_display,1,2,1,2, EXPAND|FILL, EXPAND);
 522
 523         if (solo_button->get_parent()) {
 524                 mute_solo_table.remove (*solo_button);
 525         }
 526
 527         if (mute_button->get_parent()) {
 528                 mute_solo_table.remove (*mute_button);
 529         }
 530
 531         if (route()->is_master()) {
 532                 solo_button->hide ();
 533                 mute_button->show ();
 534                 rec_mon_table.hide ();
 535                 if (solo_iso_table.get_parent()) {
 536                         solo_iso_table.get_parent()->remove(solo_iso_table);
 537                 }
 538                 if (monitor_section_button == 0) {
 539                         Glib::RefPtr<Action> act = ActionManager::get_action ("Common", "ToggleMonitorSection");
 540                         _session->MonitorChanged.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::monitor_changed, this), gui_context());
 541
 542                         monitor_section_button = manage (new ArdourButton);
 543                         monitor_changed ();
 544                         monitor_section_button->set_related_action (act);
 545                         set_tooltip (monitor_section_button, _("Show/Hide Monitoring Section"));
 546                         mute_solo_table.attach (*monitor_section_button, 1, 2, 0, 1);
 547                         monitor_section_button->show();
 548                         monitor_section_button->unset_flags (Gtk::CAN_FOCUS);
 549                 }
 550                 parameter_changed ("use-monitor-bus");
 551         } else {
 552                 bottom_button_table.attach (group_button, 1, 2, 0, 1);
 553                 mute_solo_table.attach (*mute_button, 0, 1, 0, 1);
 554                 mute_solo_table.attach (*solo_button, 1, 2, 0, 1);
 555                 mute_button->show ();
 556                 solo_button->show ();
 557                 rec_mon_table.show ();
 558         }
 559
 560         if (_mixer_owned && route()->is_master() ) {
 561
 562                 HScrollbar scrollbar;
 563                 Gtk::Requisition requisition(scrollbar.size_request ());
 564                 int scrollbar_height = requisition.height;
 565
 566                 spacer = manage (new EventBox);
 567                 spacer->set_size_request (-1, scrollbar_height+2);
 568                 global_vpacker.pack_start (*spacer, false, false);
 569                 spacer->show();
 570         }
 571
 572         if (is_track()) {
 573                 monitor_input_button->show ();
 574                 monitor_disk_button->show ();
 575         } else {
 576                 monitor_input_button->hide();
 577                 monitor_disk_button->hide ();
 578         }
 579
 580         update_trim_control();
 581
 582         if (is_midi_track()) {
 583                 if (midi_input_enable_button == 0) {
 584                         midi_input_enable_button = manage (new ArdourButton);
 585                         midi_input_enable_button->set_name ("midi input button");
 586                         midi_input_enable_button->set_elements ((ArdourButton::Element)(ArdourButton::Edge|ArdourButton::Body|ArdourButton::VectorIcon));
 587                         midi_input_enable_button->set_icon (ArdourIcon::DinMidi);
 588                         midi_input_enable_button->signal_button_press_event().connect (sigc::mem_fun (*this, &MixerStrip::input_active_button_press), false);
 589                         midi_input_enable_button->signal_button_release_event().connect (sigc::mem_fun (*this, &MixerStrip::input_active_button_release), false);
 590                         set_tooltip (midi_input_enable_button, _("Enable/Disable MIDI input"));
 591                 } else {
 592                         input_button_box.remove (*midi_input_enable_button);
 593                 }
 594                 /* get current state */
 595                 midi_input_status_changed ();
 596                 input_button_box.pack_start (*midi_input_enable_button, false, false);
 597                 /* follow changes */
 598                 midi_track()->InputActiveChanged.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::midi_input_status_changed, this), gui_context());
 599         } else {
 600                 if (midi_input_enable_button) {
 601                         /* removal from the container will delete it */
 602                         input_button_box.remove (*midi_input_enable_button);
 603                         midi_input_enable_button = 0;
 604                 }
 605         }
 606
 607         if (is_audio_track()) {
 608                 boost::shared_ptr<AudioTrack> at = audio_track();
 609                 at->FreezeChange.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::map_frozen, this), gui_context());
 610         }
 611
 612         if (is_track ()) {
 613
 614                 rec_mon_table.attach (*rec_enable_button, 0, 1, 0, ARDOUR::Profile->get_mixbus() ? 1 : 2);
 615                 rec_enable_button->show();
 616
 617                 if (ARDOUR::Profile->get_mixbus()) {
 618                         rec_mon_table.attach (*monitor_input_button, 1, 2, 0, 1);
 619                         rec_mon_table.attach (*monitor_disk_button, 2, 3, 0, 1);
 620                 } else if (ARDOUR::Profile->get_trx()) {
 621                         rec_mon_table.attach (*monitor_input_button, 1, 2, 0, 2);
 622                 } else {
 623                         rec_mon_table.attach (*monitor_input_button, 1, 2, 0, 1);
 624                         rec_mon_table.attach (*monitor_disk_button, 1, 2, 1, 2);
 625                 }
 626
 627         } else {
 628
 629                 /* non-master bus */
 630
 631                 if (!_route->is_master()) {
 632                         rec_mon_table.attach (*show_sends_button, 0, 1, 0, 2);
 633                         show_sends_button->show();
 634                 }
 635         }
 636
 637         meter_point_button.set_text (meter_point_string (_route->meter_point()));
 638
 639         delete route_ops_menu;
 640         route_ops_menu = 0;
 641
 642         _route->meter_change.connect (route_connections, invalidator (*this), bind (&MixerStrip::meter_changed, this), gui_context());
 643         _route->input()->changed.connect (*this, invalidator (*this), boost::bind (&MixerStrip::update_input_display, this), gui_context());
 644         _route->output()->changed.connect (*this, invalidator (*this), boost::bind (&MixerStrip::update_output_display, this), gui_context());
 645         _route->route_group_changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::route_group_changed, this), gui_context());
 646
 647         _route->io_changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::io_changed_proxy, this), gui_context ());
 648
 649         if (_route->panner_shell()) {
 650                 update_panner_choices();
 651                 _route->panner_shell()->Changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::connect_to_pan, this), gui_context());
 652         }
 653
 654         if (is_audio_track()) {
 655                 audio_track()->DiskstreamChanged.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::diskstream_changed, this), gui_context());
 656         }
 657
 658         _route->comment_changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::setup_comment_button, this), gui_context());
 659
 660         set_stuff_from_route ();
 661
 662         /* now force an update of all the various elements */
 663
 664         update_mute_display ();
 665         update_solo_display ();
 666         name_changed ();
 667         comment_changed ();
 668         route_group_changed ();
 669         update_track_number_visibility ();
 670
 671         connect_to_pan ();
 672         panners.setup_pan ();
 673
 674         if (has_audio_outputs ()) {
 675                 panners.show_all ();
 676         } else {
 677                 panners.hide_all ();
 678         }
 679
 680         update_diskstream_display ();
 681         update_input_display ();
 682         update_output_display ();
 683
 684         add_events (Gdk::BUTTON_RELEASE_MASK);
 685
 686         processor_box.show ();
 687
 688         if (!route()->is_master() && !route()->is_monitor()) {
 689                 /* we don't allow master or control routes to be hidden */
 690                 hide_button.show();
 691                 number_label.show();
 692         }
 693
 694         gpm.reset_peak_display ();
 695         gpm.gain_display.show ();
 696         gpm.peak_display.show ();
 697
 698         width_button.show();
 699         width_hide_box.show();
 700         global_frame.show();
 701         global_vpacker.show();
 702         mute_solo_table.show();
 703         bottom_button_table.show();
 704         gpm.show_all ();
 705         meter_point_button.show();
 706         input_button_box.show_all();
 707         output_button.show();
 708         name_button.show();
 709         _comment_button.show();
 710         group_button.show();
 711         gpm.gain_automation_state_button.show();
 712
 713         parameter_changed ("mixer-element-visibility");
 714         map_frozen();
 715
 716         show ();
 717 }
 718
 719 void
 720 MixerStrip::set_stuff_from_route ()
 721 {
 722         /* if width is not set, it will be set by the MixerUI or editor */
 723
 724         string str = gui_property ("strip-width");
 725         if (!str.empty()) {
 726                 set_width_enum (Width (string_2_enum (str, _width)), this);
 727         }
 728 }
 729
 730 void
 731 MixerStrip::set_width_enum (Width w, void* owner)
 732 {
 733         /* always set the gpm width again, things may be hidden */
 734
 735         gpm.set_width (w);
 736         panners.set_width (w);
 737
 738         boost::shared_ptr<AutomationList> gain_automation = _route->gain_control()->alist();
 739
 740         _width_owner = owner;
 741
 742         _width = w;
 743
 744         if (_width_owner == this) {
 745                 set_gui_property ("strip-width", enum_2_string (_width));
 746         }
 747
 748         set_button_names ();
 749
 750         const float scale = std::max(1.f, UIConfiguration::instance().get_ui_scale());
 751
 752         switch (w) {
 753         case Wide:
 754
 755                 if (show_sends_button)  {
 756                         show_sends_button->set_text (_("Aux"));
 757                 }
 758
 759                 gpm.gain_automation_style_button.set_text (
 760                                 gpm.astyle_string(gain_automation->automation_style()));
 761                 gpm.gain_automation_state_button.set_text (
 762                                 gpm.astate_string(gain_automation->automation_state()));
 763
 764                 if (_route->panner()) {
 765                         ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (
 766                                         panners.astyle_string(_route->panner()->automation_style()));
 767                         ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (
 768                                         panners.astate_string(_route->panner()->automation_state()));
 769                 }
 770
 771                 {
 772                         // panners expect an even number of horiz. pixels
 773                         int width = rintf (max (110.f * scale, gpm.get_gm_width() + 10.f * scale)) + 1;
 774                         width &= ~1;
 775                         set_size_request (width, -1);
 776                 }
 777                 break;
 778
 779         case Narrow:
 780
 781                 if (show_sends_button) {
 782                         show_sends_button->set_text (_("Snd"));
 783                 }
 784
 785                 gpm.gain_automation_style_button.set_text (
 786                                 gpm.short_astyle_string(gain_automation->automation_style()));
 787                 gpm.gain_automation_state_button.set_text (
 788                                 gpm.short_astate_string(gain_automation->automation_state()));
 789                 gain_meter().setup_meters (); // recalc meter width
 790
 791                 if (_route->panner()) {
 792                         ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (
 793                         panners.short_astyle_string(_route->panner()->automation_style()));
 794                         ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (
 795                         panners.short_astate_string(_route->panner()->automation_state()));
 796                 }
 797
 798                 {
 799                         // panners expect an even number of horiz. pixels
 800                         int width = rintf (max (60.f * scale, gpm.get_gm_width() + 10.f * scale)) + 1;
 801                         width &= ~1;
 802                         set_size_request (width, -1);
 803                 }
 804                 break;
 805         }
 806
 807         processor_box.set_width (w);
 808
 809         update_input_display ();
 810         update_output_display ();
 811         setup_comment_button ();
 812         route_group_changed ();
 813         name_changed ();
 814         WidthChanged ();
 815 }
 816
 817 void
 818 MixerStrip::set_packed (bool yn)
 819 {
 820         _packed = yn;
 821
 822         if (_packed) {
 823                 set_gui_property ("visible", true);
 824         } else {
 825                 set_gui_property ("visible", false);
 826         }
 827 }
 828
 829
 830 struct RouteCompareByName {
 831         bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
 832                 return a->name().compare (b->name()) < 0;
 833         }
 834 };
 835
 836 gint
 837 MixerStrip::output_release (GdkEventButton *ev)
 838 {
 839         switch (ev->button) {
 840         case 3:
 841                 edit_output_configuration ();
 842                 break;
 843         }
 844
 845         return false;
 846 }
 847
 848 gint
 849 MixerStrip::output_press (GdkEventButton *ev)
 850 {
 851         using namespace Menu_Helpers;
 852         if (!_session->engine().connected()) {
 853                 MessageDialog msg (_("Not connected to audio engine - no I/O changes are possible"));
 854                 msg.run ();
 855                 return true;
 856         }
 857
 858         MenuList& citems = output_menu.items();
 859         switch (ev->button) {
 860
 861         case 3:
 862                 return false;  //wait for the mouse-up to pop the dialog
 863
 864         case 1:
 865         {
 866                 output_menu.set_name ("ArdourContextMenu");
 867                 citems.clear ();
 868                 output_menu_bundles.clear ();
 869
 870                 citems.push_back (MenuElem (_("Disconnect"), sigc::mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_output)));
 871
 872                 citems.push_back (SeparatorElem());
 873                 uint32_t const n_with_separator = citems.size ();
 874
 875                 ARDOUR::BundleList current = _route->output()->bundles_connected ();
 876
 877                 boost::shared_ptr<ARDOUR::BundleList> b = _session->bundles ();
 878
 879                 /* give user bundles first chance at being in the menu */
 880
 881                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 882                         if (boost::dynamic_pointer_cast<UserBundle> (*i)) {
 883                                 maybe_add_bundle_to_output_menu (*i, current);
 884                         }
 885                 }
 886
 887                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 888                         if (boost::dynamic_pointer_cast<UserBundle> (*i) == 0) {
 889                                 maybe_add_bundle_to_output_menu (*i, current);
 890                         }
 891                 }
 892
 893                 boost::shared_ptr<ARDOUR::RouteList> routes = _session->get_routes ();
 894                 RouteList copy = *routes;
 895                 copy.sort (RouteCompareByName ());
 896                 for (ARDOUR::RouteList::const_iterator i = copy.begin(); i != copy.end(); ++i) {
 897                         maybe_add_bundle_to_output_menu ((*i)->input()->bundle(), current);
 898                 }
 899
 900                 if (citems.size() == n_with_separator) {
 901                         /* no routes added; remove the separator */
 902                         citems.pop_back ();
 903                 }
 904
 905                 if (!ARDOUR::Profile->get_mixbus()) {
 906                         citems.push_back (SeparatorElem());
 907
 908                         for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
 909                                 citems.push_back (
 910                                                 MenuElem (
 911                                                         string_compose (_("Add %1 port"), (*i).to_i18n_string()),
 912                                                         sigc::bind (sigc::mem_fun (*this, &MixerStrip::add_output_port), *i)
 913                                                         )
 914                                                 );
 915                         }
 916                 }
 917
 918                 citems.push_back (SeparatorElem());
 919                 citems.push_back (MenuElem (_("Routing Grid"), sigc::mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::edit_output_configuration)));
 920
 921                 output_menu.popup (1, ev->time);
 922                 break;
 923         }
 924
 925         default:
 926                 break;
 927         }
 928         return TRUE;
 929 }
 930
 931 gint
 932 MixerStrip::input_release (GdkEventButton *ev)
 933 {
 934         switch (ev->button) {
 935
 936         case 3:
 937                 edit_input_configuration ();
 938                 break;
 939         default:
 940                 break;
 941
 942         }
 943
 944         return false;
 945 }
 946
 947
 948 gint
 949 MixerStrip::input_press (GdkEventButton *ev)
 950 {
 951         using namespace Menu_Helpers;
 952
 953         MenuList& citems = input_menu.items();
 954         input_menu.set_name ("ArdourContextMenu");
 955         citems.clear();
 956
 957         if (!_session->engine().connected()) {
 958                 MessageDialog msg (_("Not connected to audio engine - no I/O changes are possible"));
 959                 msg.run ();
 960                 return true;
 961         }
 962
 963         if (_session->actively_recording() && is_track() && track()->rec_enable_control()->get_value())
 964                 return true;
 965
 966         switch (ev->button) {
 967
 968         case 3:
 969                 return false;  //don't handle the mouse-down here.  wait for mouse-up to pop the menu
 970
 971         case 1:
 972         {
 973                 citems.push_back (MenuElem (_("Disconnect"), sigc::mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_input)));
 974
 975                 citems.push_back (SeparatorElem());
 976                 uint32_t const n_with_separator = citems.size ();
 977
 978                 input_menu_bundles.clear ();
 979
 980                 ARDOUR::BundleList current = _route->input()->bundles_connected ();
 981
 982                 boost::shared_ptr<ARDOUR::BundleList> b = _session->bundles ();
 983
 984                 /* give user bundles first chance at being in the menu */
 985
 986                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 987                         if (boost::dynamic_pointer_cast<UserBundle> (*i)) {
 988                                 maybe_add_bundle_to_input_menu (*i, current);
 989                         }
 990                 }
 991
 992                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 993                         if (boost::dynamic_pointer_cast<UserBundle> (*i) == 0) {
 994                                 maybe_add_bundle_to_input_menu (*i, current);
 995                         }
 996                 }
 997
 998                 boost::shared_ptr<ARDOUR::RouteList> routes = _session->get_routes ();
 999                 RouteList copy = *routes;
1000                 copy.sort (RouteCompareByName ());
1001                 for (ARDOUR::RouteList::const_iterator i = copy.begin(); i != copy.end(); ++i) {
1002                         maybe_add_bundle_to_input_menu ((*i)->output()->bundle(), current);
1003                 }
1004
1005                 if (citems.size() == n_with_separator) {
1006                         /* no routes added; remove the separator */
1007                         citems.pop_back ();
1008                 }
1009
1010                 citems.push_back (SeparatorElem());
1011                 for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
1012                         citems.push_back (
1013                                 MenuElem (
1014                                         string_compose (_("Add %1 port"), (*i).to_i18n_string()),
1015                                         sigc::bind (sigc::mem_fun (*this, &MixerStrip::add_input_port), *i)
1016                                         )
1017                                 );
1018                 }
1019
1020                 citems.push_back (SeparatorElem());
1021                 citems.push_back (MenuElem (_("Routing Grid"), sigc::mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::edit_input_configuration)));
1022
1023                 input_menu.popup (1, ev->time);
1024
1025                 break;
1026         }
1027         default:
1028                 break;
1029         }
1030         return TRUE;
1031 }
1032
1033 void
1034 MixerStrip::bundle_input_chosen (boost::shared_ptr<ARDOUR::Bundle> c)
1035 {
1036         if (ignore_toggle) {
1037                 return;
1038         }
1039
1040         ARDOUR::BundleList current = _route->input()->bundles_connected ();
1041
1042         if (std::find (current.begin(), current.end(), c) == current.end()) {
1043                 _route->input()->connect_ports_to_bundle (c, true, this);
1044         } else {
1045                 _route->input()->disconnect_ports_from_bundle (c, this);
1046         }
1047 }
1048
1049 void
1050 MixerStrip::bundle_output_chosen (boost::shared_ptr<ARDOUR::Bundle> c)
1051 {
1052         if (ignore_toggle) {
1053                 return;
1054         }
1055
1056         ARDOUR::BundleList current = _route->output()->bundles_connected ();
1057
1058         if (std::find (current.begin(), current.end(), c) == current.end()) {
1059                 _route->output()->connect_ports_to_bundle (c, true, this);
1060         } else {
1061                 _route->output()->disconnect_ports_from_bundle (c, this);
1062         }
1063 }
1064
1065 void
1066 MixerStrip::maybe_add_bundle_to_input_menu (boost::shared_ptr<Bundle> b, ARDOUR::BundleList const& /*current*/)
1067 {
1068         using namespace Menu_Helpers;
1069
1070         if (b->ports_are_outputs() == false || b->nchannels() != _route->n_inputs() || *b == *_route->output()->bundle()) {
1071                 return;
1072         }
1073
1074         list<boost::shared_ptr<Bundle> >::iterator i = input_menu_bundles.begin ();
1075         while (i != input_menu_bundles.end() && b->has_same_ports (*i) == false) {
1076                 ++i;
1077         }
1078
1079         if (i != input_menu_bundles.end()) {
1080                 return;
1081         }
1082
1083         input_menu_bundles.push_back (b);
1084
1085         MenuList& citems = input_menu.items();
1086
1087         std::string n = b->name ();
1088         replace_all (n, "_", " ");
1089
1090         citems.push_back (MenuElem (n, sigc::bind (sigc::mem_fun(*this, &MixerStrip::bundle_input_chosen), b)));
1091 }
1092
1093 void
1094 MixerStrip::maybe_add_bundle_to_output_menu (boost::shared_ptr<Bundle> b, ARDOUR::BundleList const& /*current*/)
1095 {
1096         using namespace Menu_Helpers;
1097
1098         if (b->ports_are_inputs() == false || b->nchannels() != _route->n_outputs() || *b == *_route->input()->bundle()) {
1099                 return;
1100         }
1101
1102         list<boost::shared_ptr<Bundle> >::iterator i = output_menu_bundles.begin ();
1103         while (i != output_menu_bundles.end() && b->has_same_ports (*i) == false) {
1104                 ++i;
1105         }
1106
1107         if (i != output_menu_bundles.end()) {
1108                 return;
1109         }
1110
1111         output_menu_bundles.push_back (b);
1112
1113         MenuList& citems = output_menu.items();
1114
1115         std::string n = b->name ();
1116         replace_all (n, "_", " ");
1117
1118         citems.push_back (MenuElem (n, sigc::bind (sigc::mem_fun(*this, &MixerStrip::bundle_output_chosen), b)));
1119 }
1120
1121 void
1122 MixerStrip::update_diskstream_display ()
1123 {
1124         if (is_track() && input_selector) {
1125                         input_selector->hide_all ();
1126         }
1127
1128         route_color_changed ();
1129 }
1130
1131 void
1132 MixerStrip::connect_to_pan ()
1133 {
1134         ENSURE_GUI_THREAD (*this, &MixerStrip::connect_to_pan)
1135
1136         panstate_connection.disconnect ();
1137         panstyle_connection.disconnect ();
1138
1139         if (!_route->panner()) {
1140                 return;
1141         }
1142
1143         boost::shared_ptr<Pannable> p = _route->pannable ();
1144
1145         p->automation_state_changed.connect (panstate_connection, invalidator (*this), boost::bind (&PannerUI::pan_automation_state_changed, &panners), gui_context());
1146         p->automation_style_changed.connect (panstyle_connection, invalidator (*this), boost::bind (&PannerUI::pan_automation_style_changed, &panners), gui_context());
1147
1148         /* This call reduncant, PannerUI::set_panner() connects to _panshell->Changed itself
1149          * However, that only works a panner was previously set.
1150          *
1151          * PannerUI must remain subscribed to _panshell->Changed() in case
1152          * we switch the panner eg. AUX-Send and back
1153          * _route->panner_shell()->Changed() vs _panshell->Changed
1154          */
1155         if (panners._panner == 0) {
1156                 panners.panshell_changed ();
1157         }
1158         update_panner_choices();
1159 }
1160
1161 void
1162 MixerStrip::update_panner_choices ()
1163 {
1164         ENSURE_GUI_THREAD (*this, &MixerStrip::update_panner_choices)
1165         if (!_route->panner_shell()) { return; }
1166
1167         uint32_t in = _route->output()->n_ports().n_audio();
1168         uint32_t out = in;
1169         if (_route->panner()) {
1170                 in = _route->panner()->in().n_audio();
1171         }
1172
1173         panners.set_available_panners(PannerManager::instance().PannerManager::get_available_panners(in, out));
1174 }
1175
1176 /*
1177  * Output port labelling
1178  * =====================
1179  *
1180  * Case 1: Each output has one connection, all connections are to system:playback_%i
1181  *   out 1 -> system:playback_1
1182  *   out 2 -> system:playback_2
1183  *   out 3 -> system:playback_3
1184  *   Display as: 1/2/3
1185  *
1186  * Case 2: Each output has one connection, all connections are to ardour:track_x/in 1
1187  *   out 1 -> ardour:track_x/in 1
1188  *   out 2 -> ardour:track_x/in 2
1189  *   Display as: track_x
1190  *
1191  * Case 3: Each output has one connection, all connections are to Jack client "program x"
1192  *   out 1 -> program x:foo
1193  *   out 2 -> program x:foo
1194  *   Display as: program x
1195  *
1196  * Case 4: No connections (Disconnected)
1197  *   Display as: -
1198  *
1199  * Default case (unusual routing):
1200  *   Display as: *number of connections*
1201  *
1202  * Tooltips
1203  * ========
1204  * .-----------------------------------------------.
1205  * | Mixdown                                       |
1206  * | out 1 -> ardour:master/in 1, jamin:input/in 1 |
1207  * | out 2 -> ardour:master/in 2, jamin:input/in 2 |
1208  * '-----------------------------------------------'
1209  * .-----------------------------------------------.
1210  * | Guitar SM58                                   |
1211  * | Disconnected                                  |
1212  * '-----------------------------------------------'
1213  */
1214
1215 void
1216 MixerStrip::update_io_button (boost::shared_ptr<ARDOUR::Route> route, Width width, bool for_input)
1217 {
1218         uint32_t io_count;
1219         uint32_t io_index;
1220         boost::shared_ptr<IO> io;
1221         boost::shared_ptr<Port> port;
1222         vector<string> port_connections;
1223
1224         uint32_t total_connection_count = 0;
1225         uint32_t io_connection_count = 0;
1226         uint32_t ardour_connection_count = 0;
1227         uint32_t system_connection_count = 0;
1228         uint32_t other_connection_count = 0;
1229         uint32_t typed_connection_count = 0;
1230
1231         ostringstream label;
1232
1233         bool have_label = false;
1234         bool each_io_has_one_connection = true;
1235
1236         string connection_name;
1237         string ardour_track_name;
1238         string other_connection_type;
1239         string system_ports;
1240         string system_port;
1241
1242         ostringstream tooltip;
1243         char * tooltip_cstr;
1244
1245         /* To avoid confusion, the button caption only shows connections that match the expected datatype
1246          *
1247          * First of all, if the user made only connections to a given type, we should use that one since
1248          * it is very probably what the user expects. If there are several connections types, then show
1249          * audio ones as primary, which matches expectations for both audio tracks with midi control and
1250          * synthesisers. This first heuristic can be expressed with these two rules:
1251          * A) If there are connected audio ports, consider audio as primary type.
1252          * B) Else, if there are connected midi ports, consider midi as primary type.
1253          *
1254          * If there are no connected ports, then we choose the primary type based on the type of existing
1255          * but unconnected ports. Again:
1256          * C) If there are audio ports, consider audio as primary type.
1257          * D) Else, if there are midi ports, consider midi as primary type. */
1258
1259         DataType dt = DataType::AUDIO;
1260         bool match = false;
1261
1262         if (for_input) {
1263                 io = route->input();
1264         } else {
1265                 io = route->output();
1266         }
1267
1268         io_count = io->n_ports().n_total();
1269         for (io_index = 0; io_index < io_count; ++io_index) {
1270                 port = io->nth (io_index);
1271                 if (port->connected()) {
1272                         match = true;
1273                         if (port->type() == DataType::AUDIO) {
1274                                 /* Rule A) applies no matter the remaining ports */
1275                                 dt = DataType::AUDIO;
1276                                 break;
1277                         }
1278                         if (port->type() == DataType::MIDI) {
1279                                 /* Rule B) is a good candidate... */
1280                                 dt = DataType::MIDI;
1281                                 /* ...but continue the loop to check remaining ports for rule A) */
1282                         }
1283                 }
1284         }
1285
1286         if (!match) {
1287                 /* Neither rule A) nor rule B) matched */
1288                 if ( io->n_ports().n_audio() > 0 ) {
1289                         /* Rule C */
1290                         dt = DataType::AUDIO;
1291                 } else if ( io->n_ports().n_midi() > 0 ) {
1292                         /* Rule D */
1293                         dt = DataType::MIDI;
1294                 }
1295         }
1296
1297         if ( dt == DataType::MIDI ) {
1298                 tooltip << _("MIDI ");
1299         }
1300
1301         if (for_input) {
1302                 tooltip << string_compose (_("<b>INPUT</b> to %1"), Gtkmm2ext::markup_escape_text (route->name()));
1303         } else {
1304                 tooltip << string_compose (_("<b>OUTPUT</b> from %1"), Gtkmm2ext::markup_escape_text (route->name()));
1305         }
1306
1307         for (io_index = 0; io_index < io_count; ++io_index) {
1308                 port = io->nth (io_index);
1309
1310                 port_connections.clear ();
1311                 port->get_connections(port_connections);
1312
1313                 //ignore any port connections that don't match our DataType
1314                 if (port->type() != dt) {
1315                         if (!port_connections.empty()) {
1316                                 ++typed_connection_count;
1317                         }
1318                         continue;
1319                 }
1320
1321                 io_connection_count = 0;
1322
1323                 if (!port_connections.empty()) {
1324                         for (vector<string>::iterator i = port_connections.begin(); i != port_connections.end(); ++i) {
1325                                 string pn = "";
1326                                 string& connection_name (*i);
1327
1328                                 if (connection_name.find("system:") == 0) {
1329                                         pn = AudioEngine::instance()->get_pretty_name_by_name (connection_name);
1330                                 }
1331
1332                                 if (io_connection_count == 0) {
1333                                         tooltip << endl << Gtkmm2ext::markup_escape_text (port->name().substr(port->name().find("/") + 1))
1334                                                 << " -> "
1335                                                 << Gtkmm2ext::markup_escape_text ( pn.empty() ? connection_name : pn );
1336                                 } else {
1337                                         tooltip << ", "
1338                                                 << Gtkmm2ext::markup_escape_text ( pn.empty() ? connection_name : pn );
1339                                 }
1340
1341                                 if (connection_name.find(RouteUI::program_port_prefix) == 0) {
1342                                         if (ardour_track_name.empty()) {
1343                                                 // "ardour:Master/in 1" -> "ardour:Master/"
1344                                                 string::size_type slash = connection_name.find("/");
1345                                                 if (slash != string::npos) {
1346                                                         ardour_track_name = connection_name.substr(0, slash + 1);
1347                                                 }
1348                                         }
1349
1350                                         if (connection_name.find(ardour_track_name) == 0) {
1351                                                 ++ardour_connection_count;
1352                                         }
1353                                 } else if (!pn.empty()) {
1354                                         if (system_ports.empty()) {
1355                                                 system_ports += pn;
1356                                         } else {
1357                                                 system_ports += "/" + pn;
1358                                         }
1359                                         if (connection_name.find("system:") == 0) {
1360                                                 ++system_connection_count;
1361                                         }
1362                                 } else if (connection_name.find("system:midi_") == 0) {
1363                                         if (for_input) {
1364                                                 // "system:midi_capture_123" -> "123"
1365                                                 system_port = "M " + connection_name.substr(20);
1366                                         } else {
1367                                                 // "system:midi_playback_123" -> "123"
1368                                                 system_port = "M " + connection_name.substr(21);
1369                                         }
1370
1371                                         if (system_ports.empty()) {
1372                                                 system_ports += system_port;
1373                                         } else {
1374                                                 system_ports += "/" + system_port;
1375                                         }
1376
1377                                         ++system_connection_count;
1378
1379                                 } else if (connection_name.find("system:") == 0) {
1380                                         if (for_input) {
1381                                                 // "system:capture_123" -> "123"
1382                                                 system_port = connection_name.substr(15);
1383                                         } else {
1384                                                 // "system:playback_123" -> "123"
1385                                                 system_port = connection_name.substr(16);
1386                                         }
1387
1388                                         if (system_ports.empty()) {
1389                                                 system_ports += system_port;
1390                                         } else {
1391                                                 system_ports += "/" + system_port;
1392                                         }
1393
1394                                         ++system_connection_count;
1395                                 } else {
1396                                         if (other_connection_type.empty()) {
1397                                                 // "jamin:in 1" -> "jamin:"
1398                                                 other_connection_type = connection_name.substr(0, connection_name.find(":") + 1);
1399                                         }
1400
1401                                         if (connection_name.find(other_connection_type) == 0) {
1402                                                 ++other_connection_count;
1403                                         }
1404                                 }
1405
1406                                 ++total_connection_count;
1407                                 ++io_connection_count;
1408                         }
1409                 }
1410
1411                 if (io_connection_count != 1) {
1412                         each_io_has_one_connection = false;
1413                 }
1414         }
1415
1416         if (total_connection_count == 0) {
1417                 tooltip << endl << _("Disconnected");
1418         }
1419
1420         tooltip_cstr = new char[tooltip.str().size() + 1];
1421         strcpy(tooltip_cstr, tooltip.str().c_str());
1422
1423         if (for_input) {
1424                 set_tooltip (&input_button, tooltip_cstr);
1425         } else {
1426                 set_tooltip (&output_button, tooltip_cstr);
1427         }
1428
1429         delete [] tooltip_cstr;
1430
1431         if (each_io_has_one_connection) {
1432                 if (total_connection_count == ardour_connection_count) {
1433                         // all connections are to the same track in ardour
1434                         // "ardour:Master/" -> "Master"
1435                         string::size_type slash = ardour_track_name.find("/");
1436                         if (slash != string::npos) {
1437                                 const size_t ppps = RouteUI::program_port_prefix.size (); // "ardour:"
1438                                 label << ardour_track_name.substr (ppps, slash - ppps);
1439                                 have_label = true;
1440                         }
1441                 }
1442                 else if (total_connection_count == system_connection_count) {
1443                         // all connections are to system ports
1444                         label << system_ports;
1445                         have_label = true;
1446                 }
1447                 else if (total_connection_count == other_connection_count) {
1448                         // all connections are to the same external program eg jamin
1449                         // "jamin:" -> "jamin"
1450                         label << other_connection_type.substr(0, other_connection_type.size() - 1);
1451                         have_label = true;
1452                 }
1453         }
1454
1455         if (!have_label) {
1456                 if (total_connection_count == 0) {
1457                         // Disconnected
1458                         label << "-";
1459                 } else {
1460                         // Odd configuration
1461                         label << "*" << total_connection_count << "*";
1462                 }
1463                 if (typed_connection_count > 0) {
1464                         label << "\u2295"; // circled plus
1465                 }
1466         }
1467
1468         if (for_input) {
1469                 input_button.set_text (label.str());
1470         } else {
1471                 output_button.set_text (label.str());
1472         }
1473 }
1474
1475 void
1476 MixerStrip::update_input_display ()
1477 {
1478         update_io_button (_route, _width, true);
1479         panners.setup_pan ();
1480
1481         if (has_audio_outputs ()) {
1482                 panners.show_all ();
1483         } else {
1484                 panners.hide_all ();
1485         }
1486
1487 }
1488
1489 void
1490 MixerStrip::update_output_display ()
1491 {
1492         update_io_button (_route, _width, false);
1493         gpm.setup_meters ();
1494         panners.setup_pan ();
1495
1496         if (has_audio_outputs ()) {
1497                 panners.show_all ();
1498         } else {
1499                 panners.hide_all ();
1500         }
1501 }
1502
1503 void
1504 MixerStrip::fast_update ()
1505 {
1506         gpm.update_meters ();
1507 }
1508
1509 void
1510 MixerStrip::diskstream_changed ()
1511 {
1512         Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&MixerStrip::update_diskstream_display, this));
1513 }
1514
1515 void
1516 MixerStrip::io_changed_proxy ()
1517 {
1518         Glib::signal_idle().connect_once (sigc::mem_fun (*this, &MixerStrip::update_panner_choices));
1519         Glib::signal_idle().connect_once (sigc::mem_fun (*this, &MixerStrip::update_trim_control));
1520 }
1521
1522 void
1523 MixerStrip::port_connected_or_disconnected (boost::weak_ptr<Port> wa, boost::weak_ptr<Port> wb)
1524 {
1525         boost::shared_ptr<Port> a = wa.lock ();
1526         boost::shared_ptr<Port> b = wb.lock ();
1527
1528         if ((a && _route->input()->has_port (a)) || (b && _route->input()->has_port (b))) {
1529                 update_input_display ();
1530                 set_width_enum (_width, this);
1531         }
1532
1533         if ((a && _route->output()->has_port (a)) || (b && _route->output()->has_port (b))) {
1534                 update_output_display ();
1535                 set_width_enum (_width, this);
1536         }
1537 }
1538
1539 void
1540 MixerStrip::setup_comment_button ()
1541 {
1542         std::string comment = _route->comment();
1543
1544         set_tooltip (_comment_button, comment.empty() ? _("Click to add/edit comments") : _route->comment());
1545
1546         if (comment.empty ()) {
1547                 _comment_button.set_name ("generic button");
1548                 _comment_button.set_text (_width  == Wide ? _("Comments") : _("Cmt"));
1549                 return;
1550         }
1551
1552         _comment_button.set_name ("comment button");
1553
1554         string::size_type pos = comment.find_first_of (" \t\n");
1555         if (pos != string::npos) {
1556                 comment = comment.substr (0, pos);
1557         }
1558         if (comment.empty()) {
1559                 _comment_button.set_text (_width  == Wide ? _("Comments") : _("Cmt"));
1560         } else {
1561                 _comment_button.set_text (comment);
1562         }
1563 }
1564
1565 bool
1566 MixerStrip::select_route_group (GdkEventButton *ev)
1567 {
1568         using namespace Menu_Helpers;
1569
1570         if (ev->button == 1) {
1571
1572                 if (group_menu == 0) {
1573
1574                         PropertyList* plist = new PropertyList();
1575
1576                         plist->add (Properties::group_gain, true);
1577                         plist->add (Properties::group_mute, true);
1578                         plist->add (Properties::group_solo, true);
1579
1580                         group_menu = new RouteGroupMenu (_session, plist);
1581                 }
1582
1583                 WeakRouteList r;
1584                 r.push_back (route ());
1585                 group_menu->build (r);
1586                 group_menu->menu()->popup (1, ev->time);
1587         }
1588
1589         return true;
1590 }
1591
1592 void
1593 MixerStrip::route_group_changed ()
1594 {
1595         ENSURE_GUI_THREAD (*this, &MixerStrip::route_group_changed)
1596
1597         RouteGroup *rg = _route->route_group();
1598
1599         if (rg) {
1600                 group_button.set_text (PBD::short_version (rg->name(), 5));
1601         } else {
1602                 switch (_width) {
1603                 case Wide:
1604                         group_button.set_text (_("Grp"));
1605                         break;
1606                 case Narrow:
1607                         group_button.set_text (_("~G"));
1608                         break;
1609                 }
1610         }
1611 }
1612
1613 void
1614 MixerStrip::route_color_changed ()
1615 {
1616         name_button.modify_bg (STATE_NORMAL, color());
1617         number_label.set_fixed_colors (gdk_color_to_rgba (color()), gdk_color_to_rgba (color()));
1618         reset_strip_style ();
1619 }
1620
1621 void
1622 MixerStrip::show_passthru_color ()
1623 {
1624         reset_strip_style ();
1625 }
1626
1627
1628 void
1629 MixerStrip::help_count_plugins (boost::weak_ptr<Processor> p)
1630 {
1631         boost::shared_ptr<Processor> processor (p.lock ());
1632         if (!processor || !processor->display_to_user()) {
1633                 return;
1634         }
1635         if (boost::dynamic_pointer_cast<PluginInsert> (processor)) {
1636                 ++_plugin_insert_cnt;
1637         }
1638 }
1639 void
1640 MixerStrip::build_route_ops_menu ()
1641 {
1642         using namespace Menu_Helpers;
1643         route_ops_menu = new Menu;
1644         route_ops_menu->set_name ("ArdourContextMenu");
1645
1646         MenuList& items = route_ops_menu->items();
1647
1648         items.push_back (MenuElem (_("Color..."), sigc::mem_fun (*this, &RouteUI::choose_color)));
1649
1650         items.push_back (MenuElem (_("Comments..."), sigc::mem_fun (*this, &RouteUI::open_comment_editor)));
1651
1652         items.push_back (MenuElem (_("Inputs..."), sigc::mem_fun (*this, &RouteUI::edit_input_configuration)));
1653
1654         items.push_back (MenuElem (_("Outputs..."), sigc::mem_fun (*this, &RouteUI::edit_output_configuration)));
1655
1656         items.push_back (SeparatorElem());
1657
1658         if (!_route->is_master()) {
1659                 items.push_back (MenuElem (_("Save As Template..."), sigc::mem_fun(*this, &RouteUI::save_as_template)));
1660         }
1661         items.push_back (MenuElem (_("Rename..."), sigc::mem_fun(*this, &RouteUI::route_rename)));
1662         rename_menu_item = &items.back();
1663
1664         items.push_back (SeparatorElem());
1665         items.push_back (CheckMenuElem (_("Active")));
1666         Gtk::CheckMenuItem* i = dynamic_cast<Gtk::CheckMenuItem *> (&items.back());
1667         i->set_active (_route->active());
1668         i->set_sensitive(! _session->transport_rolling());
1669         i->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &RouteUI::set_route_active), !_route->active(), false));
1670
1671         if (!Profile->get_mixbus ()) {
1672                 items.push_back (SeparatorElem());
1673                 items.push_back (CheckMenuElem (_("Strict I/O")));
1674                 i = dynamic_cast<Gtk::CheckMenuItem *> (&items.back());
1675                 i->set_active (_route->strict_io());
1676                 i->signal_activate().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*_route, &Route::set_strict_io), !_route->strict_io())));
1677         }
1678
1679         _plugin_insert_cnt = 0;
1680         _route->foreach_processor (sigc::mem_fun (*this, &MixerStrip::help_count_plugins));
1681         if (_plugin_insert_cnt > 0) {
1682                 items.push_back (SeparatorElem());
1683                 items.push_back (MenuElem (_("Pin Connections..."), sigc::mem_fun (*this, &RouteUI::manage_pins)));
1684         }
1685
1686         items.push_back (SeparatorElem());
1687         items.push_back (MenuElem (_("Adjust Latency..."), sigc::mem_fun (*this, &RouteUI::adjust_latency)));
1688
1689         items.push_back (SeparatorElem());
1690         items.push_back (CheckMenuElem (_("Protect Against Denormals"), sigc::mem_fun (*this, &RouteUI::toggle_denormal_protection)));
1691         denormal_menu_item = dynamic_cast<Gtk::CheckMenuItem *> (&items.back());
1692         denormal_menu_item->set_active (_route->denormal_protection());
1693
1694         if (_route) {
1695                 /* note that this relies on selection being shared across editor and
1696                    mixer (or global to the backend, in the future), which is the only
1697                    sane thing for users anyway.
1698                 */
1699
1700                 RouteTimeAxisView* rtav = PublicEditor::instance().get_route_view_by_route_id (_route->id());
1701                 if (rtav) {
1702                         Selection& selection (PublicEditor::instance().get_selection());
1703                         if (!selection.selected (rtav)) {
1704                                 selection.set (rtav);
1705                         }
1706
1707                         if (!_route->is_master()) {
1708                                 items.push_back (SeparatorElem());
1709                                 items.push_back (MenuElem (_("Duplicate..."), sigc::mem_fun (*this, &RouteUI::duplicate_selected_routes)));
1710                         }
1711
1712                         items.push_back (SeparatorElem());
1713                         items.push_back (MenuElem (_("Remove"), sigc::mem_fun(PublicEditor::instance(), &PublicEditor::remove_tracks)));
1714                 }
1715         }
1716 }
1717
1718 gboolean
1719 MixerStrip::name_button_button_press (GdkEventButton* ev)
1720 {
1721         if (ev->button == 3) {
1722                 list_route_operations ();
1723
1724                 /* do not allow rename if the track is record-enabled */
1725                 rename_menu_item->set_sensitive (!is_track() || !track()->rec_enable_control()->get_value());
1726                 route_ops_menu->popup (1, ev->time);
1727
1728                 return true;
1729         }
1730
1731         return false;
1732 }
1733
1734 gboolean
1735 MixerStrip::name_button_button_release (GdkEventButton* ev)
1736 {
1737         if (ev->button == 1) {
1738                 list_route_operations ();
1739
1740                 /* do not allow rename if the track is record-enabled */
1741                 rename_menu_item->set_sensitive (!is_track() || !track()->rec_enable_control()->get_value());
1742                 route_ops_menu->popup (1, ev->time);
1743         }
1744
1745         return false;
1746 }
1747
1748 gboolean
1749 MixerStrip::number_button_button_press (GdkEventButton* ev)
1750 {
1751         if (  ev->button == 3 ) {
1752                 list_route_operations ();
1753
1754                 /* do not allow rename if the track is record-enabled */
1755                 rename_menu_item->set_sensitive (!is_track() || !track()->rec_enable_control()->get_value());
1756                 route_ops_menu->popup (1, ev->time);
1757
1758                 return true;
1759         }
1760
1761         return false;
1762 }
1763
1764 void
1765 MixerStrip::list_route_operations ()
1766 {
1767         delete route_ops_menu;
1768         build_route_ops_menu ();
1769 }
1770
1771 void
1772 MixerStrip::set_selected (bool yn)
1773 {
1774         AxisView::set_selected (yn);
1775
1776         if (selected()) {
1777                 global_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
1778                 global_frame.set_name ("MixerStripSelectedFrame");
1779         } else {
1780                 global_frame.set_shadow_type (Gtk::SHADOW_IN);
1781                 global_frame.set_name ("MixerStripFrame");
1782         }
1783
1784         global_frame.queue_draw ();
1785
1786 //      if (!yn)
1787 //              processor_box.deselect_all_processors();
1788 }
1789
1790 void
1791 MixerStrip::route_property_changed (const PropertyChange& what_changed)
1792 {
1793         if (what_changed.contains (ARDOUR::Properties::name)) {
1794                 name_changed ();
1795         }
1796 }
1797
1798 void
1799 MixerStrip::name_changed ()
1800 {
1801         switch (_width) {
1802                 case Wide:
1803                         name_button.set_text (_route->name());
1804                         break;
1805                 case Narrow:
1806                         name_button.set_text (PBD::short_version (_route->name(), 5));
1807                         break;
1808         }
1809
1810         set_tooltip (name_button, _route->name());
1811
1812         if (_session->config.get_track_name_number()) {
1813                 const int64_t track_number = _route->track_number ();
1814                 if (track_number == 0) {
1815                         number_label.set_text ("-");
1816                 } else {
1817                         number_label.set_text (PBD::to_string (abs(_route->track_number ()), std::dec));
1818                 }
1819         } else {
1820                 number_label.set_text ("");
1821         }
1822 }
1823
1824 void
1825 MixerStrip::input_button_resized (Gtk::Allocation& alloc)
1826 {
1827         input_button.set_layout_ellipsize_width (alloc.get_width() * PANGO_SCALE);
1828 }
1829
1830 void
1831 MixerStrip::output_button_resized (Gtk::Allocation& alloc)
1832 {
1833         output_button.set_layout_ellipsize_width (alloc.get_width() * PANGO_SCALE);
1834 }
1835
1836 void
1837 MixerStrip::name_button_resized (Gtk::Allocation& alloc)
1838 {
1839         name_button.set_layout_ellipsize_width (alloc.get_width() * PANGO_SCALE);
1840 }
1841
1842 void
1843 MixerStrip::comment_button_resized (Gtk::Allocation& alloc)
1844 {
1845         _comment_button.set_layout_ellipsize_width (alloc.get_width() * PANGO_SCALE);
1846 }
1847
1848 bool
1849 MixerStrip::width_button_pressed (GdkEventButton* ev)
1850 {
1851         if (ev->button != 1) {
1852                 return false;
1853         }
1854
1855         if (Keyboard::modifier_state_contains (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier | Keyboard::TertiaryModifier)) && _mixer_owned) {
1856                 switch (_width) {
1857                 case Wide:
1858                         _mixer.set_strip_width (Narrow, true);
1859                         break;
1860
1861                 case Narrow:
1862                         _mixer.set_strip_width (Wide, true);
1863                         break;
1864                 }
1865         } else {
1866                 switch (_width) {
1867                 case Wide:
1868                         set_width_enum (Narrow, this);
1869                         break;
1870                 case Narrow:
1871                         set_width_enum (Wide, this);
1872                         break;
1873                 }
1874         }
1875
1876         return true;
1877 }
1878
1879 void
1880 MixerStrip::hide_clicked ()
1881 {
1882         // LAME fix to reset the button status for when it is redisplayed (part 1)
1883         hide_button.set_sensitive(false);
1884
1885         if (_embedded) {
1886                 Hiding(); /* EMIT_SIGNAL */
1887         } else {
1888                 _mixer.hide_strip (this);
1889         }
1890
1891         // (part 2)
1892         hide_button.set_sensitive(true);
1893 }
1894
1895 void
1896 MixerStrip::set_embedded (bool yn)
1897 {
1898         _embedded = yn;
1899 }
1900
1901 void
1902 MixerStrip::map_frozen ()
1903 {
1904         ENSURE_GUI_THREAD (*this, &MixerStrip::map_frozen)
1905
1906         boost::shared_ptr<AudioTrack> at = audio_track();
1907
1908         if (at) {
1909                 switch (at->freeze_state()) {
1910                 case AudioTrack::Frozen:
1911                         processor_box.set_sensitive (false);
1912                         hide_redirect_editors ();
1913                         break;
1914                 default:
1915                         processor_box.set_sensitive (true);
1916                         // XXX need some way, maybe, to retoggle redirect editors
1917                         break;
1918                 }
1919         } else {
1920                 processor_box.set_sensitive (true);
1921         }
1922         RouteUI::map_frozen ();
1923 }
1924
1925 void
1926 MixerStrip::hide_redirect_editors ()
1927 {
1928         _route->foreach_processor (sigc::mem_fun (*this, &MixerStrip::hide_processor_editor));
1929 }
1930
1931 void
1932 MixerStrip::hide_processor_editor (boost::weak_ptr<Processor> p)
1933 {
1934         boost::shared_ptr<Processor> processor (p.lock ());
1935         if (!processor) {
1936                 return;
1937         }
1938
1939         Gtk::Window* w = processor_box.get_processor_ui (processor);
1940
1941         if (w) {
1942                 w->hide ();
1943         }
1944 }
1945
1946 void
1947 MixerStrip::reset_strip_style ()
1948 {
1949         if (_current_delivery && boost::dynamic_pointer_cast<Send>(_current_delivery)) {
1950
1951                 gpm.set_fader_name ("SendStripBase");
1952
1953         } else {
1954
1955                 if (is_midi_track()) {
1956                         if (_route->active()) {
1957                                 set_name ("MidiTrackStripBase");
1958                         } else {
1959                                 set_name ("MidiTrackStripBaseInactive");
1960                         }
1961                         gpm.set_fader_name ("MidiTrackFader");
1962                 } else if (is_audio_track()) {
1963                         if (_route->active()) {
1964                                 set_name ("AudioTrackStripBase");
1965                         } else {
1966                                 set_name ("AudioTrackStripBaseInactive");
1967                         }
1968                         gpm.set_fader_name ("AudioTrackFader");
1969                 } else {
1970                         if (_route->active()) {
1971                                 set_name ("AudioBusStripBase");
1972                         } else {
1973                                 set_name ("AudioBusStripBaseInactive");
1974                         }
1975                         gpm.set_fader_name ("AudioBusFader");
1976
1977                         /* (no MIDI busses yet) */
1978                 }
1979         }
1980 }
1981
1982
1983 void
1984 MixerStrip::engine_stopped ()
1985 {
1986 }
1987
1988 void
1989 MixerStrip::engine_running ()
1990 {
1991 }
1992
1993 string
1994 MixerStrip::meter_point_string (MeterPoint mp)
1995 {
1996         switch (_width) {
1997         case Wide:
1998                 switch (mp) {
1999                 case MeterInput:
2000                         return _("In");
2001                         break;
2002
2003                 case MeterPreFader:
2004                         return _("Pre");
2005                         break;
2006
2007                 case MeterPostFader:
2008                         return _("Post");
2009                         break;
2010
2011                 case MeterOutput:
2012                         return _("Out");
2013                         break;
2014
2015                 case MeterCustom:
2016                 default:
2017                         return _("Custom");
2018                         break;
2019                 }
2020                 break;
2021         case Narrow:
2022                 switch (mp) {
2023                 case MeterInput:
2024                         return S_("Meter|In");
2025                         break;
2026
2027                 case MeterPreFader:
2028                         return S_("Meter|Pr");
2029                         break;
2030
2031                 case MeterPostFader:
2032                         return S_("Meter|Po");
2033                         break;
2034
2035                 case MeterOutput:
2036                         return S_("Meter|O");
2037                         break;
2038
2039                 case MeterCustom:
2040                 default:
2041                         return S_("Meter|C");
2042                         break;
2043                 }
2044                 break;
2045         }
2046
2047         return string();
2048 }
2049
2050 /** Called when the monitor-section state */
2051 void
2052 MixerStrip::monitor_changed ()
2053 {
2054         assert (monitor_section_button);
2055         if (_session->monitor_active()) {
2056                 monitor_section_button->set_name ("master monitor section button active");
2057         } else {
2058                 monitor_section_button->set_name ("master monitor section button normal");
2059         }
2060 }
2061
2062 /** Called when the metering point has changed */
2063 void
2064 MixerStrip::meter_changed ()
2065 {
2066         meter_point_button.set_text (meter_point_string (_route->meter_point()));
2067         gpm.setup_meters ();
2068         // reset peak when meter point changes
2069         gpm.reset_peak_display();
2070 }
2071
2072 /** The bus that we are displaying sends to has changed, or been turned off.
2073  *  @param send_to New bus that we are displaying sends to, or 0.
2074  */
2075 void
2076 MixerStrip::bus_send_display_changed (boost::shared_ptr<Route> send_to)
2077 {
2078         RouteUI::bus_send_display_changed (send_to);
2079
2080         if (send_to) {
2081                 boost::shared_ptr<Send> send = _route->internal_send_for (send_to);
2082
2083                 if (send) {
2084                         show_send (send);
2085                 } else {
2086                         revert_to_default_display ();
2087                 }
2088         } else {
2089                 revert_to_default_display ();
2090         }
2091 }
2092
2093 void
2094 MixerStrip::drop_send ()
2095 {
2096         boost::shared_ptr<Send> current_send;
2097
2098         if (_current_delivery && ((current_send = boost::dynamic_pointer_cast<Send>(_current_delivery)) != 0)) {
2099                 current_send->set_metering (false);
2100         }
2101
2102         send_gone_connection.disconnect ();
2103         input_button.set_sensitive (true);
2104         output_button.set_sensitive (true);
2105         group_button.set_sensitive (true);
2106         set_invert_sensitive (true);
2107         meter_point_button.set_sensitive (true);
2108         mute_button->set_sensitive (true);
2109         solo_button->set_sensitive (true);
2110         solo_isolated_led->set_sensitive (true);
2111         solo_safe_led->set_sensitive (true);
2112         monitor_input_button->set_sensitive (true);
2113         monitor_disk_button->set_sensitive (true);
2114         _comment_button.set_sensitive (true);
2115         RouteUI::check_rec_enable_sensitivity ();
2116         set_button_names (); // update solo button visual state
2117 }
2118
2119 void
2120 MixerStrip::set_current_delivery (boost::shared_ptr<Delivery> d)
2121 {
2122         _current_delivery = d;
2123         DeliveryChanged (_current_delivery);
2124 }
2125
2126 void
2127 MixerStrip::show_send (boost::shared_ptr<Send> send)
2128 {
2129         assert (send != 0);
2130
2131         drop_send ();
2132
2133         set_current_delivery (send);
2134
2135         send->meter()->set_type(_route->shared_peak_meter()->get_type());
2136         send->set_metering (true);
2137         _current_delivery->DropReferences.connect (send_gone_connection, invalidator (*this), boost::bind (&MixerStrip::revert_to_default_display, this), gui_context());
2138
2139         gain_meter().set_controls (_route, send->meter(), send->amp(), send->gain_control());
2140         gain_meter().setup_meters ();
2141
2142         uint32_t const in = _current_delivery->pans_required();
2143         uint32_t const out = _current_delivery->pan_outs();
2144
2145         panner_ui().set_panner (_current_delivery->panner_shell(), _current_delivery->panner());
2146         panner_ui().set_available_panners(PannerManager::instance().PannerManager::get_available_panners(in, out));
2147         panner_ui().setup_pan ();
2148         panner_ui().set_send_drawing_mode (true);
2149         panner_ui().show_all ();
2150
2151         input_button.set_sensitive (false);
2152         group_button.set_sensitive (false);
2153         set_invert_sensitive (false);
2154         meter_point_button.set_sensitive (false);
2155         mute_button->set_sensitive (false);
2156         solo_button->set_sensitive (false);
2157         rec_enable_button->set_sensitive (false);
2158         solo_isolated_led->set_sensitive (false);
2159         solo_safe_led->set_sensitive (false);
2160         monitor_input_button->set_sensitive (false);
2161         monitor_disk_button->set_sensitive (false);
2162         _comment_button.set_sensitive (false);
2163
2164         if (boost::dynamic_pointer_cast<InternalSend>(send)) {
2165                 output_button.set_sensitive (false);
2166         }
2167
2168         reset_strip_style ();
2169 }
2170
2171 void
2172 MixerStrip::revert_to_default_display ()
2173 {
2174         drop_send ();
2175
2176         set_current_delivery (_route->main_outs ());
2177
2178         gain_meter().set_controls (_route, _route->shared_peak_meter(), _route->amp(), _route->gain_control());
2179         gain_meter().setup_meters ();
2180
2181         panner_ui().set_panner (_route->main_outs()->panner_shell(), _route->main_outs()->panner());
2182         update_panner_choices();
2183         panner_ui().setup_pan ();
2184         panner_ui().set_send_drawing_mode (false);
2185
2186         if (has_audio_outputs ()) {
2187                 panners.show_all ();
2188         } else {
2189                 panners.hide_all ();
2190         }
2191
2192         reset_strip_style ();
2193 }
2194
2195 void
2196 MixerStrip::set_button_names ()
2197 {
2198         switch (_width) {
2199         case Wide:
2200                 mute_button->set_text (_("Mute"));
2201                 monitor_input_button->set_text (_("In"));
2202                 monitor_disk_button->set_text (_("Disk"));
2203                 if (monitor_section_button) {
2204                         monitor_section_button->set_text (_("Mon"));
2205                 }
2206
2207                 if (_route && _route->solo_safe_control()->solo_safe()) {
2208                         solo_button->set_visual_state (Gtkmm2ext::VisualState (solo_button->visual_state() | Gtkmm2ext::Insensitive));
2209                 } else {
2210                         solo_button->set_visual_state (Gtkmm2ext::VisualState (solo_button->visual_state() & ~Gtkmm2ext::Insensitive));
2211                 }
2212                 if (!Config->get_solo_control_is_listen_control()) {
2213                         solo_button->set_text (_("Solo"));
2214                 } else {
2215                         switch (Config->get_listen_position()) {
2216                         case AfterFaderListen:
2217                                 solo_button->set_text (_("AFL"));
2218                                 break;
2219                         case PreFaderListen:
2220                                 solo_button->set_text (_("PFL"));
2221                                 break;
2222                         }
2223                 }
2224                 solo_isolated_led->set_text (_("Iso"));
2225                 solo_safe_led->set_text (S_("SoloLock|Lock"));
2226                 break;
2227
2228         default:
2229                 mute_button->set_text (S_("Mute|M"));
2230                 monitor_input_button->set_text (S_("MonitorInput|I"));
2231                 monitor_disk_button->set_text (S_("MonitorDisk|D"));
2232                 if (monitor_section_button) {
2233                         monitor_section_button->set_text (S_("Mon|O"));
2234                 }
2235
2236                 if (_route && _route->solo_safe_control()->solo_safe()) {
2237                         solo_button->set_visual_state (Gtkmm2ext::VisualState (solo_button->visual_state() | Gtkmm2ext::Insensitive));
2238                 } else {
2239                         solo_button->set_visual_state (Gtkmm2ext::VisualState (solo_button->visual_state() & ~Gtkmm2ext::Insensitive));
2240                 }
2241                 if (!Config->get_solo_control_is_listen_control()) {
2242                         solo_button->set_text (S_("Solo|S"));
2243                 } else {
2244                         switch (Config->get_listen_position()) {
2245                         case AfterFaderListen:
2246                                 solo_button->set_text (S_("AfterFader|A"));
2247                                 break;
2248                         case PreFaderListen:
2249                                 solo_button->set_text (S_("Prefader|P"));
2250                                 break;
2251                         }
2252                 }
2253
2254                 solo_isolated_led->set_text (S_("SoloIso|I"));
2255                 solo_safe_led->set_text (S_("SoloLock|L"));
2256                 break;
2257         }
2258
2259         if (_route) {
2260                 meter_point_button.set_text (meter_point_string (_route->meter_point()));
2261         } else {
2262                 meter_point_button.set_text ("");
2263         }
2264 }
2265
2266 PluginSelector*
2267 MixerStrip::plugin_selector()
2268 {
2269         return _mixer.plugin_selector();
2270 }
2271
2272 void
2273 MixerStrip::hide_things ()
2274 {
2275         processor_box.hide_things ();
2276 }
2277
2278 bool
2279 MixerStrip::input_active_button_press (GdkEventButton*)
2280 {
2281         /* nothing happens on press */
2282         return true;
2283 }
2284
2285 bool
2286 MixerStrip::input_active_button_release (GdkEventButton* ev)
2287 {
2288         boost::shared_ptr<MidiTrack> mt = midi_track ();
2289
2290         if (!mt) {
2291                 return true;
2292         }
2293
2294         boost::shared_ptr<RouteList> rl (new RouteList);
2295
2296         rl->push_back (route());
2297
2298         _session->set_exclusive_input_active (rl, !mt->input_active(),
2299                                               Keyboard::modifier_state_contains (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::SecondaryModifier)));
2300
2301         return true;
2302 }
2303
2304 void
2305 MixerStrip::midi_input_status_changed ()
2306 {
2307         if (midi_input_enable_button) {
2308                 boost::shared_ptr<MidiTrack> mt = midi_track ();
2309                 assert (mt);
2310                 midi_input_enable_button->set_active (mt->input_active ());
2311         }
2312 }
2313
2314 string
2315 MixerStrip::state_id () const
2316 {
2317         return string_compose ("strip %1", _route->id().to_s());
2318 }
2319
2320 void
2321 MixerStrip::parameter_changed (string p)
2322 {
2323         if (p == _visibility.get_state_name()) {
2324                 /* The user has made changes to the mixer strip visibility, so get
2325                    our VisibilityGroup to reflect these changes in our widgets.
2326                 */
2327                 _visibility.set_state (UIConfiguration::instance().get_mixer_strip_visibility ());
2328         } else if (p == "track-name-number") {
2329                 name_changed ();
2330         } else if (p == "use-monitor-bus") {
2331                 if (monitor_section_button) {
2332                         if (mute_button->get_parent()) {
2333                                 mute_button->get_parent()->remove(*mute_button);
2334                         }
2335                         if (monitor_section_button->get_parent()) {
2336                                 monitor_section_button->get_parent()->remove(*monitor_section_button);
2337                         }
2338                         if (Config->get_use_monitor_bus ()) {
2339                                 mute_solo_table.attach (*mute_button, 0, 1, 0, 1);
2340                                 mute_solo_table.attach (*monitor_section_button, 1, 2, 0, 1);
2341                                 mute_button->show();
2342                                 monitor_section_button->show();
2343                         } else {
2344                                 mute_solo_table.attach (*mute_button, 0, 2, 0, 1);
2345                                 mute_button->show();
2346                         }
2347                 }
2348         } else if (p == "track-name-number") {
2349                 update_track_number_visibility();
2350         }
2351 }
2352
2353 /** Called to decide whether the solo isolate / solo lock button visibility should
2354  *  be overridden from that configured by the user.  We do this for the master bus.
2355  *
2356  *  @return optional value that is present if visibility state should be overridden.
2357  */
2358 boost::optional<bool>
2359 MixerStrip::override_solo_visibility () const
2360 {
2361         if (_route && _route->is_master ()) {
2362                 return boost::optional<bool> (false);
2363         }
2364
2365         return boost::optional<bool> ();
2366 }
2367
2368 void
2369 MixerStrip::add_input_port (DataType t)
2370 {
2371         _route->input()->add_port ("", this, t);
2372 }
2373
2374 void
2375 MixerStrip::add_output_port (DataType t)
2376 {
2377         _route->output()->add_port ("", this, t);
2378 }
2379
2380 void
2381 MixerStrip::route_active_changed ()
2382 {
2383         reset_strip_style ();
2384 }
2385
2386 void
2387 MixerStrip::copy_processors ()
2388 {
2389         processor_box.processor_operation (ProcessorBox::ProcessorsCopy);
2390 }
2391
2392 void
2393 MixerStrip::cut_processors ()
2394 {
2395         processor_box.processor_operation (ProcessorBox::ProcessorsCut);
2396 }
2397
2398 void
2399 MixerStrip::paste_processors ()
2400 {
2401         processor_box.processor_operation (ProcessorBox::ProcessorsPaste);
2402 }
2403
2404 void
2405 MixerStrip::select_all_processors ()
2406 {
2407         processor_box.processor_operation (ProcessorBox::ProcessorsSelectAll);
2408 }
2409
2410 void
2411 MixerStrip::deselect_all_processors ()
2412 {
2413         processor_box.processor_operation (ProcessorBox::ProcessorsSelectNone);
2414 }
2415
2416 bool
2417 MixerStrip::delete_processors ()
2418 {
2419         return processor_box.processor_operation (ProcessorBox::ProcessorsDelete);
2420 }
2421
2422 void
2423 MixerStrip::toggle_processors ()
2424 {
2425         processor_box.processor_operation (ProcessorBox::ProcessorsToggleActive);
2426 }
2427
2428 void
2429 MixerStrip::ab_plugins ()
2430 {
2431         processor_box.processor_operation (ProcessorBox::ProcessorsAB);
2432 }
2433
2434 bool
2435 MixerStrip::level_meter_button_press (GdkEventButton* ev)
2436 {
2437         if (_current_delivery && boost::dynamic_pointer_cast<Send>(_current_delivery)) {
2438                 return false;
2439         }
2440         if (ev->button == 3) {
2441                 popup_level_meter_menu (ev);
2442                 return true;
2443         }
2444
2445         return false;
2446 }
2447
2448 void
2449 MixerStrip::popup_level_meter_menu (GdkEventButton* ev)
2450 {
2451         using namespace Gtk::Menu_Helpers;
2452
2453         Gtk::Menu* m = manage (new Menu);
2454         MenuList& items = m->items ();
2455
2456         RadioMenuItem::Group group;
2457
2458         _suspend_menu_callbacks = true;
2459         add_level_meter_item_point (items, group, _("Input"), MeterInput);
2460         add_level_meter_item_point (items, group, _("Pre Fader"), MeterPreFader);
2461         add_level_meter_item_point (items, group, _("Post Fader"), MeterPostFader);
2462         add_level_meter_item_point (items, group, _("Output"), MeterOutput);
2463         add_level_meter_item_point (items, group, _("Custom"), MeterCustom);
2464
2465         if (gpm.meter_channels().n_audio() == 0) {
2466                 m->popup (ev->button, ev->time);
2467                 _suspend_menu_callbacks = false;
2468                 return;
2469         }
2470
2471         RadioMenuItem::Group tgroup;
2472         items.push_back (SeparatorElem());
2473
2474         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterPeak), MeterPeak);
2475         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterPeak0dB), MeterPeak0dB);
2476         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterKrms),  MeterKrms);
2477         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterIEC1DIN), MeterIEC1DIN);
2478         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterIEC1NOR), MeterIEC1NOR);
2479         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterIEC2BBC), MeterIEC2BBC);
2480         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterIEC2EBU), MeterIEC2EBU);
2481         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterK20), MeterK20);
2482         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterK14), MeterK14);
2483         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterK12), MeterK12);
2484         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterVU),  MeterVU);
2485
2486         int _strip_type;
2487         if (_route->is_master()) {
2488                 _strip_type = 4;
2489         }
2490         else if (boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
2491                         && boost::dynamic_pointer_cast<MidiTrack>(_route) == 0) {
2492                 /* non-master bus */
2493                 _strip_type = 3;
2494         }
2495         else if (boost::dynamic_pointer_cast<MidiTrack>(_route)) {
2496                 _strip_type = 2;
2497         }
2498         else {
2499                 _strip_type = 1;
2500         }
2501
2502         MeterType cmt = _route->meter_type();
2503         const std::string cmn = ArdourMeter::meter_type_string(cmt);
2504
2505         items.push_back (SeparatorElem());
2506         items.push_back (MenuElem (string_compose(_("Change all in Group to %1"), cmn),
2507                                 sigc::bind (SetMeterTypeMulti, -1, _route->route_group(), cmt)));
2508         items.push_back (MenuElem (string_compose(_("Change all to %1"), cmn),
2509                                 sigc::bind (SetMeterTypeMulti, 0, _route->route_group(), cmt)));
2510         items.push_back (MenuElem (string_compose(_("Change same track-type to %1"), cmn),
2511                                 sigc::bind (SetMeterTypeMulti, _strip_type, _route->route_group(), cmt)));
2512
2513         m->popup (ev->button, ev->time);
2514         _suspend_menu_callbacks = false;
2515 }
2516
2517 void
2518 MixerStrip::add_level_meter_item_point (Menu_Helpers::MenuList& items,
2519                 RadioMenuItem::Group& group, string const & name, MeterPoint point)
2520 {
2521         using namespace Menu_Helpers;
2522
2523         items.push_back (RadioMenuElem (group, name, sigc::bind (sigc::mem_fun (*this, &MixerStrip::set_meter_point), point)));
2524         RadioMenuItem* i = dynamic_cast<RadioMenuItem *> (&items.back ());
2525         i->set_active (_route->meter_point() == point);
2526 }
2527
2528 void
2529 MixerStrip::set_meter_point (MeterPoint p)
2530 {
2531         if (_suspend_menu_callbacks) return;
2532         _route->set_meter_point (p);
2533 }
2534
2535 void
2536 MixerStrip::add_level_meter_item_type (Menu_Helpers::MenuList& items,
2537                 RadioMenuItem::Group& group, string const & name, MeterType type)
2538 {
2539         using namespace Menu_Helpers;
2540
2541         items.push_back (RadioMenuElem (group, name, sigc::bind (sigc::mem_fun (*this, &MixerStrip::set_meter_type), type)));
2542         RadioMenuItem* i = dynamic_cast<RadioMenuItem *> (&items.back ());
2543         i->set_active (_route->meter_type() == type);
2544 }
2545
2546 void
2547 MixerStrip::set_meter_type (MeterType t)
2548 {
2549         if (_suspend_menu_callbacks) return;
2550         gpm.set_type (t);
2551 }
2552
2553 void
2554 MixerStrip::update_track_number_visibility ()
2555 {
2556         DisplaySuspender ds;
2557         bool show_label = _session->config.get_track_name_number();
2558
2559         if (_route && _route->is_master()) {
2560                 show_label = false;
2561         }
2562
2563         if (show_label) {
2564                 number_label.show ();
2565                 // see ArdourButton::on_size_request(), we should probably use a global size-group here instead.
2566                 // except the width of the number label is subtracted from the name-hbox, so we
2567                 // need to explictly calculate it anyway until the name-label & entry become ArdourWidgets.
2568                 int tnw = (2 + std::max(2u, _session->track_number_decimals())) * number_label.char_pixel_width();
2569                 if (tnw & 1) --tnw;
2570                 number_label.set_size_request(tnw, -1);
2571                 number_label.show ();
2572         } else {
2573                 number_label.hide ();
2574         }
2575 }
2576
2577 Gdk::Color
2578 MixerStrip::color () const
2579 {
2580         return route_color ();
2581 }
2582
2583 bool
2584 MixerStrip::marked_for_display () const
2585 {
2586         return !_route->presentation_info().hidden();
2587 }
2588
2589 bool
2590 MixerStrip::set_marked_for_display (bool yn)
2591 {
2592         return RouteUI::mark_hidden (!yn);
2593 }