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
 357         group_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::select_route_group), false);
 358
 359         _width = (Width) -1;
 360
 361         /* start off as a passthru strip. we'll correct this, if necessary,
 362            in update_diskstream_display().
 363         */
 364
 365         /* start off as a passthru strip. we'll correct this, if necessary,
 366            in update_diskstream_display().
 367         */
 368
 369         if (is_midi_track()) {
 370                 set_name ("MidiTrackStripBase");
 371         } else {
 372                 set_name ("AudioTrackStripBase");
 373         }
 374
 375         add_events (Gdk::BUTTON_RELEASE_MASK|
 376                     Gdk::ENTER_NOTIFY_MASK|
 377                     Gdk::LEAVE_NOTIFY_MASK|
 378                     Gdk::KEY_PRESS_MASK|
 379                     Gdk::KEY_RELEASE_MASK);
 380
 381         set_flags (get_flags() | Gtk::CAN_FOCUS);
 382
 383         AudioEngine::instance()->PortConnectedOrDisconnected.connect (
 384                 *this, invalidator (*this), boost::bind (&MixerStrip::port_connected_or_disconnected, this, _1, _3), gui_context ()
 385                 );
 386
 387         /* Add the widgets under visibility control to the VisibilityGroup; the names used here
 388            must be the same as those used in RCOptionEditor so that the configuration changes
 389            are recognised when they occur.
 390         */
 391         _visibility.add (&input_button_box, X_("Input"), _("Input"), false);
 392         _visibility.add (&_invert_button_box, X_("PhaseInvert"), _("Phase Invert"), false);
 393         _visibility.add (&rec_mon_table, X_("RecMon"), _("Record & Monitor"), false);
 394         _visibility.add (&solo_iso_table, X_("SoloIsoLock"), _("Solo Iso / Lock"), false);
 395         _visibility.add (&output_button, X_("Output"), _("Output"), false);
 396         _visibility.add (&_comment_button, X_("Comments"), _("Comments"), false);
 397         _visibility.add (&control_slave_ui, X_("VCA"), _("VCA Assigns"), false);
 398
 399         parameter_changed (X_("mixer-element-visibility"));
 400         UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &MixerStrip::parameter_changed));
 401         Config->ParameterChanged.connect (_config_connection, MISSING_INVALIDATOR, boost::bind (&MixerStrip::parameter_changed, this, _1), gui_context());
 402         _session->config.ParameterChanged.connect (_config_connection, MISSING_INVALIDATOR, boost::bind (&MixerStrip::parameter_changed, this, _1), gui_context());
 403
 404         //watch for mouse enter/exit so we can do some stuff
 405         signal_enter_notify_event().connect (sigc::mem_fun(*this, &MixerStrip::mixer_strip_enter_event ));
 406         signal_leave_notify_event().connect (sigc::mem_fun(*this, &MixerStrip::mixer_strip_leave_event ));
 407
 408         gpm.LevelMeterButtonPress.connect_same_thread (_level_meter_connection, boost::bind (&MixerStrip::level_meter_button_press, this, _1));
 409 }
 410
 411 MixerStrip::~MixerStrip ()
 412 {
 413         CatchDeletion (this);
 414
 415         if (this ==_entered_mixer_strip)
 416                 _entered_mixer_strip = NULL;
 417 }
 418
 419 bool
 420 MixerStrip::mixer_strip_enter_event (GdkEventCrossing* /*ev*/)
 421 {
 422         _entered_mixer_strip = this;
 423
 424         //although we are triggering on the "enter", to the user it will appear that it is happenin on the "leave"
 425         //because the mixerstrip control is a parent that encompasses the strip
 426         deselect_all_processors();
 427
 428         return false;
 429 }
 430
 431 bool
 432 MixerStrip::mixer_strip_leave_event (GdkEventCrossing *ev)
 433 {
 434         //if we have moved outside our strip, but not into a child view, then deselect ourselves
 435         if ( !(ev->detail == GDK_NOTIFY_INFERIOR) ) {
 436                 _entered_mixer_strip= 0;
 437
 438                 //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
 439                 gpm.gain_display.set_sensitive(false);
 440                 gpm.show_gain();
 441                 gpm.gain_display.set_sensitive(true);
 442
 443                 //if we leave this mixer strip we need to clear out any selections
 444                 //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
 445         }
 446
 447         return false;
 448 }
 449
 450 string
 451 MixerStrip::name() const
 452 {
 453         if (_route) {
 454                 return _route->name();
 455         }
 456         return string();
 457 }
 458
 459 void
 460 MixerStrip::update_trim_control ()
 461 {
 462         if (route()->trim() && route()->trim()->active() &&
 463             route()->n_inputs().n_audio() > 0) {
 464                 trim_control.show ();
 465                 trim_control.set_controllable (route()->trim()->gain_control());
 466         } else {
 467                 trim_control.hide ();
 468                 boost::shared_ptr<Controllable> none;
 469                 trim_control.set_controllable (none);
 470         }
 471 }
 472
 473 void
 474 MixerStrip::set_route (boost::shared_ptr<Route> rt)
 475 {
 476         //the rec/monitor stuff only shows up for tracks.
 477         //the show_sends only shows up for buses.
 478         //remove them all here, and we may add them back later
 479         if (show_sends_button->get_parent()) {
 480                 rec_mon_table.remove (*show_sends_button);
 481         }
 482         if (rec_enable_button->get_parent()) {
 483                 rec_mon_table.remove (*rec_enable_button);
 484         }
 485         if (monitor_input_button->get_parent()) {
 486                 rec_mon_table.remove (*monitor_input_button);
 487         }
 488         if (monitor_disk_button->get_parent()) {
 489                 rec_mon_table.remove (*monitor_disk_button);
 490         }
 491         if (group_button.get_parent()) {
 492                 bottom_button_table.remove (group_button);
 493         }
 494
 495         RouteUI::set_route (rt);
 496
 497         control_slave_ui.set_stripable (boost::dynamic_pointer_cast<Stripable> (rt));
 498
 499         /* ProcessorBox needs access to _route so that it can read
 500            GUI object state.
 501         */
 502         processor_box.set_route (rt);
 503
 504         revert_to_default_display ();
 505
 506         /* unpack these from the parent and stuff them into our own
 507            table
 508         */
 509
 510         if (gpm.peak_display.get_parent()) {
 511                 gpm.peak_display.get_parent()->remove (gpm.peak_display);
 512         }
 513         if (gpm.gain_display.get_parent()) {
 514                 gpm.gain_display.get_parent()->remove (gpm.gain_display);
 515         }
 516
 517         gpm.set_type (rt->meter_type());
 518
 519         mute_solo_table.attach (gpm.gain_display,0,1,1,2, EXPAND|FILL, EXPAND);
 520         mute_solo_table.attach (gpm.peak_display,1,2,1,2, EXPAND|FILL, EXPAND);
 521
 522         if (solo_button->get_parent()) {
 523                 mute_solo_table.remove (*solo_button);
 524         }
 525
 526         if (mute_button->get_parent()) {
 527                 mute_solo_table.remove (*mute_button);
 528         }
 529
 530         if (route()->is_master()) {
 531                 solo_button->hide ();
 532                 mute_button->show ();
 533                 rec_mon_table.hide ();
 534                 if (solo_iso_table.get_parent()) {
 535                         solo_iso_table.get_parent()->remove(solo_iso_table);
 536                 }
 537                 if (monitor_section_button == 0) {
 538                         Glib::RefPtr<Action> act = ActionManager::get_action ("Common", "ToggleMonitorSection");
 539                         _session->MonitorChanged.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::monitor_changed, this), gui_context());
 540
 541                         monitor_section_button = manage (new ArdourButton);
 542                         monitor_changed ();
 543                         monitor_section_button->set_related_action (act);
 544                         set_tooltip (monitor_section_button, _("Show/Hide Monitoring Section"));
 545                         mute_solo_table.attach (*monitor_section_button, 1, 2, 0, 1);
 546                         monitor_section_button->show();
 547                         monitor_section_button->unset_flags (Gtk::CAN_FOCUS);
 548                 }
 549                 parameter_changed ("use-monitor-bus");
 550         } else {
 551                 bottom_button_table.attach (group_button, 1, 2, 0, 1);
 552                 mute_solo_table.attach (*mute_button, 0, 1, 0, 1);
 553                 mute_solo_table.attach (*solo_button, 1, 2, 0, 1);
 554                 mute_button->show ();
 555                 solo_button->show ();
 556                 rec_mon_table.show ();
 557         }
 558
 559         if (_mixer_owned && route()->is_master() ) {
 560
 561                 HScrollbar scrollbar;
 562                 Gtk::Requisition requisition(scrollbar.size_request ());
 563                 int scrollbar_height = requisition.height;
 564
 565                 spacer = manage (new EventBox);
 566                 spacer->set_size_request (-1, scrollbar_height+2);
 567                 global_vpacker.pack_start (*spacer, false, false);
 568                 spacer->show();
 569         }
 570
 571         if (is_track()) {
 572                 monitor_input_button->show ();
 573                 monitor_disk_button->show ();
 574         } else {
 575                 monitor_input_button->hide();
 576                 monitor_disk_button->hide ();
 577         }
 578
 579         update_trim_control();
 580
 581         if (is_midi_track()) {
 582                 if (midi_input_enable_button == 0) {
 583                         midi_input_enable_button = manage (new ArdourButton);
 584                         midi_input_enable_button->set_name ("midi input button");
 585                         midi_input_enable_button->set_elements ((ArdourButton::Element)(ArdourButton::Edge|ArdourButton::Body|ArdourButton::VectorIcon));
 586                         midi_input_enable_button->set_icon (ArdourIcon::DinMidi);
 587                         midi_input_enable_button->signal_button_press_event().connect (sigc::mem_fun (*this, &MixerStrip::input_active_button_press), false);
 588                         midi_input_enable_button->signal_button_release_event().connect (sigc::mem_fun (*this, &MixerStrip::input_active_button_release), false);
 589                         set_tooltip (midi_input_enable_button, _("Enable/Disable MIDI input"));
 590                 } else {
 591                         input_button_box.remove (*midi_input_enable_button);
 592                 }
 593                 /* get current state */
 594                 midi_input_status_changed ();
 595                 input_button_box.pack_start (*midi_input_enable_button, false, false);
 596                 /* follow changes */
 597                 midi_track()->InputActiveChanged.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::midi_input_status_changed, this), gui_context());
 598         } else {
 599                 if (midi_input_enable_button) {
 600                         /* removal from the container will delete it */
 601                         input_button_box.remove (*midi_input_enable_button);
 602                         midi_input_enable_button = 0;
 603                 }
 604         }
 605
 606         if (is_audio_track()) {
 607                 boost::shared_ptr<AudioTrack> at = audio_track();
 608                 at->FreezeChange.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::map_frozen, this), gui_context());
 609         }
 610
 611         if (is_track ()) {
 612
 613                 rec_mon_table.attach (*rec_enable_button, 0, 1, 0, ARDOUR::Profile->get_mixbus() ? 1 : 2);
 614                 rec_enable_button->show();
 615
 616                 if (ARDOUR::Profile->get_mixbus()) {
 617                         rec_mon_table.attach (*monitor_input_button, 1, 2, 0, 1);
 618                         rec_mon_table.attach (*monitor_disk_button, 2, 3, 0, 1);
 619                 } else if (ARDOUR::Profile->get_trx()) {
 620                         rec_mon_table.attach (*monitor_input_button, 1, 2, 0, 2);
 621                 } else {
 622                         rec_mon_table.attach (*monitor_input_button, 1, 2, 0, 1);
 623                         rec_mon_table.attach (*monitor_disk_button, 1, 2, 1, 2);
 624                 }
 625
 626         } else {
 627
 628                 /* non-master bus */
 629
 630                 if (!_route->is_master()) {
 631                         rec_mon_table.attach (*show_sends_button, 0, 1, 0, 2);
 632                         show_sends_button->show();
 633                 }
 634         }
 635
 636         meter_point_button.set_text (meter_point_string (_route->meter_point()));
 637
 638         delete route_ops_menu;
 639         route_ops_menu = 0;
 640
 641         _route->meter_change.connect (route_connections, invalidator (*this), bind (&MixerStrip::meter_changed, this), gui_context());
 642         _route->input()->changed.connect (*this, invalidator (*this), boost::bind (&MixerStrip::update_input_display, this), gui_context());
 643         _route->output()->changed.connect (*this, invalidator (*this), boost::bind (&MixerStrip::update_output_display, this), gui_context());
 644         _route->route_group_changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::route_group_changed, this), gui_context());
 645
 646         _route->io_changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::io_changed_proxy, this), gui_context ());
 647
 648         if (_route->panner_shell()) {
 649                 update_panner_choices();
 650                 _route->panner_shell()->Changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::connect_to_pan, this), gui_context());
 651         }
 652
 653         if (is_audio_track()) {
 654                 audio_track()->DiskstreamChanged.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::diskstream_changed, this), gui_context());
 655         }
 656
 657         _route->comment_changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::setup_comment_button, this), gui_context());
 658
 659         set_stuff_from_route ();
 660
 661         /* now force an update of all the various elements */
 662
 663         update_mute_display ();
 664         update_solo_display ();
 665         name_changed ();
 666         comment_changed ();
 667         route_group_changed ();
 668         update_track_number_visibility ();
 669
 670         connect_to_pan ();
 671         panners.setup_pan ();
 672
 673         if (has_audio_outputs ()) {
 674                 panners.show_all ();
 675         } else {
 676                 panners.hide_all ();
 677         }
 678
 679         update_diskstream_display ();
 680         update_input_display ();
 681         update_output_display ();
 682
 683         add_events (Gdk::BUTTON_RELEASE_MASK);
 684
 685         processor_box.show ();
 686
 687         if (!route()->is_master() && !route()->is_monitor()) {
 688                 /* we don't allow master or control routes to be hidden */
 689                 hide_button.show();
 690                 number_label.show();
 691         }
 692
 693         gpm.reset_peak_display ();
 694         gpm.gain_display.show ();
 695         gpm.peak_display.show ();
 696
 697         width_button.show();
 698         width_hide_box.show();
 699         global_frame.show();
 700         global_vpacker.show();
 701         mute_solo_table.show();
 702         bottom_button_table.show();
 703         gpm.show_all ();
 704         meter_point_button.show();
 705         input_button_box.show_all();
 706         output_button.show();
 707         name_button.show();
 708         _comment_button.show();
 709         group_button.show();
 710         gpm.gain_automation_state_button.show();
 711
 712         parameter_changed ("mixer-element-visibility");
 713         map_frozen();
 714
 715         show ();
 716 }
 717
 718 void
 719 MixerStrip::set_stuff_from_route ()
 720 {
 721         /* if width is not set, it will be set by the MixerUI or editor */
 722
 723         string str = gui_property ("strip-width");
 724         if (!str.empty()) {
 725                 set_width_enum (Width (string_2_enum (str, _width)), this);
 726         }
 727 }
 728
 729 void
 730 MixerStrip::set_width_enum (Width w, void* owner)
 731 {
 732         /* always set the gpm width again, things may be hidden */
 733
 734         gpm.set_width (w);
 735         panners.set_width (w);
 736
 737         boost::shared_ptr<AutomationList> gain_automation = _route->gain_control()->alist();
 738
 739         _width_owner = owner;
 740
 741         _width = w;
 742
 743         if (_width_owner == this) {
 744                 set_gui_property ("strip-width", enum_2_string (_width));
 745         }
 746
 747         set_button_names ();
 748
 749         const float scale = std::max(1.f, UIConfiguration::instance().get_ui_scale());
 750
 751         switch (w) {
 752         case Wide:
 753
 754                 if (show_sends_button)  {
 755                         show_sends_button->set_text (_("Aux"));
 756                 }
 757
 758                 gpm.gain_automation_style_button.set_text (
 759                                 gpm.astyle_string(gain_automation->automation_style()));
 760                 gpm.gain_automation_state_button.set_text (
 761                                 gpm.astate_string(gain_automation->automation_state()));
 762
 763                 if (_route->panner()) {
 764                         ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (
 765                                         panners.astyle_string(_route->panner()->automation_style()));
 766                         ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (
 767                                         panners.astate_string(_route->panner()->automation_state()));
 768                 }
 769
 770                 {
 771                         // panners expect an even number of horiz. pixels
 772                         int width = rintf (max (110.f * scale, gpm.get_gm_width() + 10.f * scale)) + 1;
 773                         width &= ~1;
 774                         set_size_request (width, -1);
 775                 }
 776                 break;
 777
 778         case Narrow:
 779
 780                 if (show_sends_button) {
 781                         show_sends_button->set_text (_("Snd"));
 782                 }
 783
 784                 gpm.gain_automation_style_button.set_text (
 785                                 gpm.short_astyle_string(gain_automation->automation_style()));
 786                 gpm.gain_automation_state_button.set_text (
 787                                 gpm.short_astate_string(gain_automation->automation_state()));
 788                 gain_meter().setup_meters (); // recalc meter width
 789
 790                 if (_route->panner()) {
 791                         ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (
 792                         panners.short_astyle_string(_route->panner()->automation_style()));
 793                         ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (
 794                         panners.short_astate_string(_route->panner()->automation_state()));
 795                 }
 796
 797                 {
 798                         // panners expect an even number of horiz. pixels
 799                         int width = rintf (max (60.f * scale, gpm.get_gm_width() + 10.f * scale)) + 1;
 800                         width &= ~1;
 801                         set_size_request (width, -1);
 802                 }
 803                 break;
 804         }
 805
 806         processor_box.set_width (w);
 807
 808         update_input_display ();
 809         update_output_display ();
 810         setup_comment_button ();
 811         route_group_changed ();
 812         name_changed ();
 813         WidthChanged ();
 814 }
 815
 816 void
 817 MixerStrip::set_packed (bool yn)
 818 {
 819         _packed = yn;
 820
 821         if (_packed) {
 822                 set_gui_property ("visible", true);
 823         } else {
 824                 set_gui_property ("visible", false);
 825         }
 826 }
 827
 828
 829 struct RouteCompareByName {
 830         bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
 831                 return a->name().compare (b->name()) < 0;
 832         }
 833 };
 834
 835 gint
 836 MixerStrip::output_release (GdkEventButton *ev)
 837 {
 838         switch (ev->button) {
 839         case 3:
 840                 edit_output_configuration ();
 841                 break;
 842         }
 843
 844         return false;
 845 }
 846
 847 gint
 848 MixerStrip::output_press (GdkEventButton *ev)
 849 {
 850         using namespace Menu_Helpers;
 851         if (!_session->engine().connected()) {
 852                 MessageDialog msg (_("Not connected to audio engine - no I/O changes are possible"));
 853                 msg.run ();
 854                 return true;
 855         }
 856
 857         MenuList& citems = output_menu.items();
 858         switch (ev->button) {
 859
 860         case 3:
 861                 return false;  //wait for the mouse-up to pop the dialog
 862
 863         case 1:
 864         {
 865                 output_menu.set_name ("ArdourContextMenu");
 866                 citems.clear ();
 867                 output_menu_bundles.clear ();
 868
 869                 citems.push_back (MenuElem (_("Disconnect"), sigc::mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_output)));
 870
 871                 citems.push_back (SeparatorElem());
 872                 uint32_t const n_with_separator = citems.size ();
 873
 874                 ARDOUR::BundleList current = _route->output()->bundles_connected ();
 875
 876                 boost::shared_ptr<ARDOUR::BundleList> b = _session->bundles ();
 877
 878                 /* give user bundles first chance at being in the menu */
 879
 880                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 881                         if (boost::dynamic_pointer_cast<UserBundle> (*i)) {
 882                                 maybe_add_bundle_to_output_menu (*i, current);
 883                         }
 884                 }
 885
 886                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 887                         if (boost::dynamic_pointer_cast<UserBundle> (*i) == 0) {
 888                                 maybe_add_bundle_to_output_menu (*i, current);
 889                         }
 890                 }
 891
 892                 boost::shared_ptr<ARDOUR::RouteList> routes = _session->get_routes ();
 893                 RouteList copy = *routes;
 894                 copy.sort (RouteCompareByName ());
 895                 for (ARDOUR::RouteList::const_iterator i = copy.begin(); i != copy.end(); ++i) {
 896                         maybe_add_bundle_to_output_menu ((*i)->input()->bundle(), current);
 897                 }
 898
 899                 if (citems.size() == n_with_separator) {
 900                         /* no routes added; remove the separator */
 901                         citems.pop_back ();
 902                 }
 903
 904                 if (!ARDOUR::Profile->get_mixbus()) {
 905                         citems.push_back (SeparatorElem());
 906
 907                         for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
 908                                 citems.push_back (
 909                                                 MenuElem (
 910                                                         string_compose (_("Add %1 port"), (*i).to_i18n_string()),
 911                                                         sigc::bind (sigc::mem_fun (*this, &MixerStrip::add_output_port), *i)
 912                                                         )
 913                                                 );
 914                         }
 915                 }
 916
 917                 citems.push_back (SeparatorElem());
 918                 citems.push_back (MenuElem (_("Routing Grid"), sigc::mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::edit_output_configuration)));
 919
 920                 Gtkmm2ext::anchored_menu_popup(&output_menu, &output_button, "",
 921                                                1, ev->time);
 922
 923                 break;
 924         }
 925
 926         default:
 927                 break;
 928         }
 929         return TRUE;
 930 }
 931
 932 gint
 933 MixerStrip::input_release (GdkEventButton *ev)
 934 {
 935         switch (ev->button) {
 936
 937         case 3:
 938                 edit_input_configuration ();
 939                 break;
 940         default:
 941                 break;
 942
 943         }
 944
 945         return false;
 946 }
 947
 948
 949 gint
 950 MixerStrip::input_press (GdkEventButton *ev)
 951 {
 952         using namespace Menu_Helpers;
 953
 954         MenuList& citems = input_menu.items();
 955         input_menu.set_name ("ArdourContextMenu");
 956         citems.clear();
 957
 958         if (!_session->engine().connected()) {
 959                 MessageDialog msg (_("Not connected to audio engine - no I/O changes are possible"));
 960                 msg.run ();
 961                 return true;
 962         }
 963
 964         if (_session->actively_recording() && is_track() && track()->rec_enable_control()->get_value())
 965                 return true;
 966
 967         switch (ev->button) {
 968
 969         case 3:
 970                 return false;  //don't handle the mouse-down here.  wait for mouse-up to pop the menu
 971
 972         case 1:
 973         {
 974                 citems.push_back (MenuElem (_("Disconnect"), sigc::mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_input)));
 975
 976                 citems.push_back (SeparatorElem());
 977                 uint32_t const n_with_separator = citems.size ();
 978
 979                 input_menu_bundles.clear ();
 980
 981                 ARDOUR::BundleList current = _route->input()->bundles_connected ();
 982
 983                 boost::shared_ptr<ARDOUR::BundleList> b = _session->bundles ();
 984
 985                 /* give user bundles first chance at being in the menu */
 986
 987                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 988                         if (boost::dynamic_pointer_cast<UserBundle> (*i)) {
 989                                 maybe_add_bundle_to_input_menu (*i, current);
 990                         }
 991                 }
 992
 993                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 994                         if (boost::dynamic_pointer_cast<UserBundle> (*i) == 0) {
 995                                 maybe_add_bundle_to_input_menu (*i, current);
 996                         }
 997                 }
 998
 999                 boost::shared_ptr<ARDOUR::RouteList> routes = _session->get_routes ();
1000                 RouteList copy = *routes;
1001                 copy.sort (RouteCompareByName ());
1002                 for (ARDOUR::RouteList::const_iterator i = copy.begin(); i != copy.end(); ++i) {
1003                         maybe_add_bundle_to_input_menu ((*i)->output()->bundle(), current);
1004                 }
1005
1006                 if (citems.size() == n_with_separator) {
1007                         /* no routes added; remove the separator */
1008                         citems.pop_back ();
1009                 }
1010
1011                 citems.push_back (SeparatorElem());
1012                 for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
1013                         citems.push_back (
1014                                 MenuElem (
1015                                         string_compose (_("Add %1 port"), (*i).to_i18n_string()),
1016                                         sigc::bind (sigc::mem_fun (*this, &MixerStrip::add_input_port), *i)
1017                                         )
1018                                 );
1019                 }
1020
1021                 citems.push_back (SeparatorElem());
1022                 citems.push_back (MenuElem (_("Routing Grid"), sigc::mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::edit_input_configuration)));
1023
1024                 Gtkmm2ext::anchored_menu_popup(&input_menu, &input_button, "",
1025                                                1, ev->time);
1026
1027                 break;
1028         }
1029         default:
1030                 break;
1031         }
1032         return TRUE;
1033 }
1034
1035 void
1036 MixerStrip::bundle_input_chosen (boost::shared_ptr<ARDOUR::Bundle> c)
1037 {
1038         if (ignore_toggle) {
1039                 return;
1040         }
1041
1042         ARDOUR::BundleList current = _route->input()->bundles_connected ();
1043
1044         if (std::find (current.begin(), current.end(), c) == current.end()) {
1045                 _route->input()->connect_ports_to_bundle (c, true, this);
1046         } else {
1047                 _route->input()->disconnect_ports_from_bundle (c, this);
1048         }
1049 }
1050
1051 void
1052 MixerStrip::bundle_output_chosen (boost::shared_ptr<ARDOUR::Bundle> c)
1053 {
1054         if (ignore_toggle) {
1055                 return;
1056         }
1057
1058         ARDOUR::BundleList current = _route->output()->bundles_connected ();
1059
1060         if (std::find (current.begin(), current.end(), c) == current.end()) {
1061                 _route->output()->connect_ports_to_bundle (c, true, this);
1062         } else {
1063                 _route->output()->disconnect_ports_from_bundle (c, this);
1064         }
1065 }
1066
1067 void
1068 MixerStrip::maybe_add_bundle_to_input_menu (boost::shared_ptr<Bundle> b, ARDOUR::BundleList const& /*current*/)
1069 {
1070         using namespace Menu_Helpers;
1071
1072         if (b->ports_are_outputs() == false || b->nchannels() != _route->n_inputs() || *b == *_route->output()->bundle()) {
1073                 return;
1074         }
1075
1076         list<boost::shared_ptr<Bundle> >::iterator i = input_menu_bundles.begin ();
1077         while (i != input_menu_bundles.end() && b->has_same_ports (*i) == false) {
1078                 ++i;
1079         }
1080
1081         if (i != input_menu_bundles.end()) {
1082                 return;
1083         }
1084
1085         input_menu_bundles.push_back (b);
1086
1087         MenuList& citems = input_menu.items();
1088
1089         std::string n = b->name ();
1090         replace_all (n, "_", " ");
1091
1092         citems.push_back (MenuElem (n, sigc::bind (sigc::mem_fun(*this, &MixerStrip::bundle_input_chosen), b)));
1093 }
1094
1095 void
1096 MixerStrip::maybe_add_bundle_to_output_menu (boost::shared_ptr<Bundle> b, ARDOUR::BundleList const& /*current*/)
1097 {
1098         using namespace Menu_Helpers;
1099
1100         if (b->ports_are_inputs() == false || b->nchannels() != _route->n_outputs() || *b == *_route->input()->bundle()) {
1101                 return;
1102         }
1103
1104         list<boost::shared_ptr<Bundle> >::iterator i = output_menu_bundles.begin ();
1105         while (i != output_menu_bundles.end() && b->has_same_ports (*i) == false) {
1106                 ++i;
1107         }
1108
1109         if (i != output_menu_bundles.end()) {
1110                 return;
1111         }
1112
1113         output_menu_bundles.push_back (b);
1114
1115         MenuList& citems = output_menu.items();
1116
1117         std::string n = b->name ();
1118         replace_all (n, "_", " ");
1119
1120         citems.push_back (MenuElem (n, sigc::bind (sigc::mem_fun(*this, &MixerStrip::bundle_output_chosen), b)));
1121 }
1122
1123 void
1124 MixerStrip::update_diskstream_display ()
1125 {
1126         if (is_track() && input_selector) {
1127                         input_selector->hide_all ();
1128         }
1129
1130         route_color_changed ();
1131 }
1132
1133 void
1134 MixerStrip::connect_to_pan ()
1135 {
1136         ENSURE_GUI_THREAD (*this, &MixerStrip::connect_to_pan)
1137
1138         panstate_connection.disconnect ();
1139         panstyle_connection.disconnect ();
1140
1141         if (!_route->panner()) {
1142                 return;
1143         }
1144
1145         boost::shared_ptr<Pannable> p = _route->pannable ();
1146
1147         p->automation_state_changed.connect (panstate_connection, invalidator (*this), boost::bind (&PannerUI::pan_automation_state_changed, &panners), gui_context());
1148         p->automation_style_changed.connect (panstyle_connection, invalidator (*this), boost::bind (&PannerUI::pan_automation_style_changed, &panners), gui_context());
1149
1150         /* This call reduncant, PannerUI::set_panner() connects to _panshell->Changed itself
1151          * However, that only works a panner was previously set.
1152          *
1153          * PannerUI must remain subscribed to _panshell->Changed() in case
1154          * we switch the panner eg. AUX-Send and back
1155          * _route->panner_shell()->Changed() vs _panshell->Changed
1156          */
1157         if (panners._panner == 0) {
1158                 panners.panshell_changed ();
1159         }
1160         update_panner_choices();
1161 }
1162
1163 void
1164 MixerStrip::update_panner_choices ()
1165 {
1166         ENSURE_GUI_THREAD (*this, &MixerStrip::update_panner_choices)
1167         if (!_route->panner_shell()) { return; }
1168
1169         uint32_t in = _route->output()->n_ports().n_audio();
1170         uint32_t out = in;
1171         if (_route->panner()) {
1172                 in = _route->panner()->in().n_audio();
1173         }
1174
1175         panners.set_available_panners(PannerManager::instance().PannerManager::get_available_panners(in, out));
1176 }
1177
1178 /*
1179  * Output port labelling
1180  * =====================
1181  *
1182  * Case 1: Each output has one connection, all connections are to system:playback_%i
1183  *   out 1 -> system:playback_1
1184  *   out 2 -> system:playback_2
1185  *   out 3 -> system:playback_3
1186  *   Display as: 1/2/3
1187  *
1188  * Case 2: Each output has one connection, all connections are to ardour:track_x/in 1
1189  *   out 1 -> ardour:track_x/in 1
1190  *   out 2 -> ardour:track_x/in 2
1191  *   Display as: track_x
1192  *
1193  * Case 3: Each output has one connection, all connections are to Jack client "program x"
1194  *   out 1 -> program x:foo
1195  *   out 2 -> program x:foo
1196  *   Display as: program x
1197  *
1198  * Case 4: No connections (Disconnected)
1199  *   Display as: -
1200  *
1201  * Default case (unusual routing):
1202  *   Display as: *number of connections*
1203  *
1204  * Tooltips
1205  * ========
1206  * .-----------------------------------------------.
1207  * | Mixdown                                       |
1208  * | out 1 -> ardour:master/in 1, jamin:input/in 1 |
1209  * | out 2 -> ardour:master/in 2, jamin:input/in 2 |
1210  * '-----------------------------------------------'
1211  * .-----------------------------------------------.
1212  * | Guitar SM58                                   |
1213  * | Disconnected                                  |
1214  * '-----------------------------------------------'
1215  */
1216
1217 void
1218 MixerStrip::update_io_button (boost::shared_ptr<ARDOUR::Route> route, Width width, bool for_input)
1219 {
1220         uint32_t io_count;
1221         uint32_t io_index;
1222         boost::shared_ptr<IO> io;
1223         boost::shared_ptr<Port> port;
1224         vector<string> port_connections;
1225
1226         uint32_t total_connection_count = 0;
1227         uint32_t io_connection_count = 0;
1228         uint32_t ardour_connection_count = 0;
1229         uint32_t system_connection_count = 0;
1230         uint32_t other_connection_count = 0;
1231         uint32_t typed_connection_count = 0;
1232
1233         ostringstream label;
1234
1235         bool have_label = false;
1236         bool each_io_has_one_connection = true;
1237
1238         string connection_name;
1239         string ardour_track_name;
1240         string other_connection_type;
1241         string system_ports;
1242         string system_port;
1243
1244         ostringstream tooltip;
1245         char * tooltip_cstr;
1246
1247         /* To avoid confusion, the button caption only shows connections that match the expected datatype
1248          *
1249          * First of all, if the user made only connections to a given type, we should use that one since
1250          * it is very probably what the user expects. If there are several connections types, then show
1251          * audio ones as primary, which matches expectations for both audio tracks with midi control and
1252          * synthesisers. This first heuristic can be expressed with these two rules:
1253          * A) If there are connected audio ports, consider audio as primary type.
1254          * B) Else, if there are connected midi ports, consider midi as primary type.
1255          *
1256          * If there are no connected ports, then we choose the primary type based on the type of existing
1257          * but unconnected ports. Again:
1258          * C) If there are audio ports, consider audio as primary type.
1259          * D) Else, if there are midi ports, consider midi as primary type. */
1260
1261         DataType dt = DataType::AUDIO;
1262         bool match = false;
1263
1264         if (for_input) {
1265                 io = route->input();
1266         } else {
1267                 io = route->output();
1268         }
1269
1270         io_count = io->n_ports().n_total();
1271         for (io_index = 0; io_index < io_count; ++io_index) {
1272                 port = io->nth (io_index);
1273                 if (port->connected()) {
1274                         match = true;
1275                         if (port->type() == DataType::AUDIO) {
1276                                 /* Rule A) applies no matter the remaining ports */
1277                                 dt = DataType::AUDIO;
1278                                 break;
1279                         }
1280                         if (port->type() == DataType::MIDI) {
1281                                 /* Rule B) is a good candidate... */
1282                                 dt = DataType::MIDI;
1283                                 /* ...but continue the loop to check remaining ports for rule A) */
1284                         }
1285                 }
1286         }
1287
1288         if (!match) {
1289                 /* Neither rule A) nor rule B) matched */
1290                 if ( io->n_ports().n_audio() > 0 ) {
1291                         /* Rule C */
1292                         dt = DataType::AUDIO;
1293                 } else if ( io->n_ports().n_midi() > 0 ) {
1294                         /* Rule D */
1295                         dt = DataType::MIDI;
1296                 }
1297         }
1298
1299         if ( dt == DataType::MIDI ) {
1300                 tooltip << _("MIDI ");
1301         }
1302
1303         if (for_input) {
1304                 tooltip << string_compose (_("<b>INPUT</b> to %1"), Gtkmm2ext::markup_escape_text (route->name()));
1305         } else {
1306                 tooltip << string_compose (_("<b>OUTPUT</b> from %1"), Gtkmm2ext::markup_escape_text (route->name()));
1307         }
1308
1309         for (io_index = 0; io_index < io_count; ++io_index) {
1310                 port = io->nth (io_index);
1311
1312                 port_connections.clear ();
1313                 port->get_connections(port_connections);
1314
1315                 //ignore any port connections that don't match our DataType
1316                 if (port->type() != dt) {
1317                         if (!port_connections.empty()) {
1318                                 ++typed_connection_count;
1319                         }
1320                         continue;
1321                 }
1322
1323                 io_connection_count = 0;
1324
1325                 if (!port_connections.empty()) {
1326                         for (vector<string>::iterator i = port_connections.begin(); i != port_connections.end(); ++i) {
1327                                 string pn = "";
1328                                 string& connection_name (*i);
1329
1330                                 if (connection_name.find("system:") == 0) {
1331                                         pn = AudioEngine::instance()->get_pretty_name_by_name (connection_name);
1332                                 }
1333
1334                                 if (io_connection_count == 0) {
1335                                         tooltip << endl << Gtkmm2ext::markup_escape_text (port->name().substr(port->name().find("/") + 1))
1336                                                 << " -> "
1337                                                 << Gtkmm2ext::markup_escape_text ( pn.empty() ? connection_name : pn );
1338                                 } else {
1339                                         tooltip << ", "
1340                                                 << Gtkmm2ext::markup_escape_text ( pn.empty() ? connection_name : pn );
1341                                 }
1342
1343                                 if (connection_name.find(RouteUI::program_port_prefix) == 0) {
1344                                         if (ardour_track_name.empty()) {
1345                                                 // "ardour:Master/in 1" -> "ardour:Master/"
1346                                                 string::size_type slash = connection_name.find("/");
1347                                                 if (slash != string::npos) {
1348                                                         ardour_track_name = connection_name.substr(0, slash + 1);
1349                                                 }
1350                                         }
1351
1352                                         if (connection_name.find(ardour_track_name) == 0) {
1353                                                 ++ardour_connection_count;
1354                                         }
1355                                 } else if (!pn.empty()) {
1356                                         if (system_ports.empty()) {
1357                                                 system_ports += pn;
1358                                         } else {
1359                                                 system_ports += "/" + pn;
1360                                         }
1361                                         if (connection_name.find("system:") == 0) {
1362                                                 ++system_connection_count;
1363                                         }
1364                                 } else if (connection_name.find("system:midi_") == 0) {
1365                                         if (for_input) {
1366                                                 // "system:midi_capture_123" -> "123"
1367                                                 system_port = "M " + connection_name.substr(20);
1368                                         } else {
1369                                                 // "system:midi_playback_123" -> "123"
1370                                                 system_port = "M " + connection_name.substr(21);
1371                                         }
1372
1373                                         if (system_ports.empty()) {
1374                                                 system_ports += system_port;
1375                                         } else {
1376                                                 system_ports += "/" + system_port;
1377                                         }
1378
1379                                         ++system_connection_count;
1380
1381                                 } else if (connection_name.find("system:") == 0) {
1382                                         if (for_input) {
1383                                                 // "system:capture_123" -> "123"
1384                                                 system_port = connection_name.substr(15);
1385                                         } else {
1386                                                 // "system:playback_123" -> "123"
1387                                                 system_port = connection_name.substr(16);
1388                                         }
1389
1390                                         if (system_ports.empty()) {
1391                                                 system_ports += system_port;
1392                                         } else {
1393                                                 system_ports += "/" + system_port;
1394                                         }
1395
1396                                         ++system_connection_count;
1397                                 } else {
1398                                         if (other_connection_type.empty()) {
1399                                                 // "jamin:in 1" -> "jamin:"
1400                                                 other_connection_type = connection_name.substr(0, connection_name.find(":") + 1);
1401                                         }
1402
1403                                         if (connection_name.find(other_connection_type) == 0) {
1404                                                 ++other_connection_count;
1405                                         }
1406                                 }
1407
1408                                 ++total_connection_count;
1409                                 ++io_connection_count;
1410                         }
1411                 }
1412
1413                 if (io_connection_count != 1) {
1414                         each_io_has_one_connection = false;
1415                 }
1416         }
1417
1418         if (total_connection_count == 0) {
1419                 tooltip << endl << _("Disconnected");
1420         }
1421
1422         tooltip_cstr = new char[tooltip.str().size() + 1];
1423         strcpy(tooltip_cstr, tooltip.str().c_str());
1424
1425         if (for_input) {
1426                 set_tooltip (&input_button, tooltip_cstr);
1427         } else {
1428                 set_tooltip (&output_button, tooltip_cstr);
1429         }
1430
1431         delete [] tooltip_cstr;
1432
1433         if (each_io_has_one_connection) {
1434                 if (total_connection_count == ardour_connection_count) {
1435                         // all connections are to the same track in ardour
1436                         // "ardour:Master/" -> "Master"
1437                         string::size_type slash = ardour_track_name.find("/");
1438                         if (slash != string::npos) {
1439                                 const size_t ppps = RouteUI::program_port_prefix.size (); // "ardour:"
1440                                 label << ardour_track_name.substr (ppps, slash - ppps);
1441                                 have_label = true;
1442                         }
1443                 }
1444                 else if (total_connection_count == system_connection_count) {
1445                         // all connections are to system ports
1446                         label << system_ports;
1447                         have_label = true;
1448                 }
1449                 else if (total_connection_count == other_connection_count) {
1450                         // all connections are to the same external program eg jamin
1451                         // "jamin:" -> "jamin"
1452                         label << other_connection_type.substr(0, other_connection_type.size() - 1);
1453                         have_label = true;
1454                 }
1455         }
1456
1457         if (!have_label) {
1458                 if (total_connection_count == 0) {
1459                         // Disconnected
1460                         label << "-";
1461                 } else {
1462                         // Odd configuration
1463                         label << "*" << total_connection_count << "*";
1464                 }
1465                 if (typed_connection_count > 0) {
1466                         label << "\u2295"; // circled plus
1467                 }
1468         }
1469
1470         if (for_input) {
1471                 input_button.set_text (label.str());
1472         } else {
1473                 output_button.set_text (label.str());
1474         }
1475 }
1476
1477 void
1478 MixerStrip::update_input_display ()
1479 {
1480         update_io_button (_route, _width, true);
1481         panners.setup_pan ();
1482
1483         if (has_audio_outputs ()) {
1484                 panners.show_all ();
1485         } else {
1486                 panners.hide_all ();
1487         }
1488
1489 }
1490
1491 void
1492 MixerStrip::update_output_display ()
1493 {
1494         update_io_button (_route, _width, false);
1495         gpm.setup_meters ();
1496         panners.setup_pan ();
1497
1498         if (has_audio_outputs ()) {
1499                 panners.show_all ();
1500         } else {
1501                 panners.hide_all ();
1502         }
1503 }
1504
1505 void
1506 MixerStrip::fast_update ()
1507 {
1508         gpm.update_meters ();
1509 }
1510
1511 void
1512 MixerStrip::diskstream_changed ()
1513 {
1514         Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&MixerStrip::update_diskstream_display, this));
1515 }
1516
1517 void
1518 MixerStrip::io_changed_proxy ()
1519 {
1520         Glib::signal_idle().connect_once (sigc::mem_fun (*this, &MixerStrip::update_panner_choices));
1521         Glib::signal_idle().connect_once (sigc::mem_fun (*this, &MixerStrip::update_trim_control));
1522 }
1523
1524 void
1525 MixerStrip::port_connected_or_disconnected (boost::weak_ptr<Port> wa, boost::weak_ptr<Port> wb)
1526 {
1527         boost::shared_ptr<Port> a = wa.lock ();
1528         boost::shared_ptr<Port> b = wb.lock ();
1529
1530         if ((a && _route->input()->has_port (a)) || (b && _route->input()->has_port (b))) {
1531                 update_input_display ();
1532                 set_width_enum (_width, this);
1533         }
1534
1535         if ((a && _route->output()->has_port (a)) || (b && _route->output()->has_port (b))) {
1536                 update_output_display ();
1537                 set_width_enum (_width, this);
1538         }
1539 }
1540
1541 void
1542 MixerStrip::setup_comment_button ()
1543 {
1544         std::string comment = _route->comment();
1545
1546         set_tooltip (_comment_button, comment.empty() ? _("Click to add/edit comments") : _route->comment());
1547
1548         if (comment.empty ()) {
1549                 _comment_button.set_name ("generic button");
1550                 _comment_button.set_text (_width  == Wide ? _("Comments") : _("Cmt"));
1551                 return;
1552         }
1553
1554         _comment_button.set_name ("comment button");
1555
1556         string::size_type pos = comment.find_first_of (" \t\n");
1557         if (pos != string::npos) {
1558                 comment = comment.substr (0, pos);
1559         }
1560         if (comment.empty()) {
1561                 _comment_button.set_text (_width  == Wide ? _("Comments") : _("Cmt"));
1562         } else {
1563                 _comment_button.set_text (comment);
1564         }
1565 }
1566
1567 bool
1568 MixerStrip::select_route_group (GdkEventButton *ev)
1569 {
1570         using namespace Menu_Helpers;
1571
1572         if (ev->button == 1) {
1573
1574                 if (group_menu == 0) {
1575
1576                         PropertyList* plist = new PropertyList();
1577
1578                         plist->add (Properties::group_gain, true);
1579                         plist->add (Properties::group_mute, true);
1580                         plist->add (Properties::group_solo, true);
1581
1582                         group_menu = new RouteGroupMenu (_session, plist);
1583                 }
1584
1585                 WeakRouteList r;
1586                 r.push_back (route ());
1587                 group_menu->build (r);
1588
1589                 RouteGroup *rg = _route->route_group();
1590
1591                 Gtkmm2ext::anchored_menu_popup(group_menu->menu(), &group_button,
1592                                                rg ? rg->name() : _("No Group"),
1593                                                1, ev->time);
1594         }
1595
1596         return true;
1597 }
1598
1599 void
1600 MixerStrip::route_group_changed ()
1601 {
1602         ENSURE_GUI_THREAD (*this, &MixerStrip::route_group_changed)
1603
1604         RouteGroup *rg = _route->route_group();
1605
1606         if (rg) {
1607                 group_button.set_text (PBD::short_version (rg->name(), 5));
1608         } else {
1609                 switch (_width) {
1610                 case Wide:
1611                         group_button.set_text (_("Grp"));
1612                         break;
1613                 case Narrow:
1614                         group_button.set_text (_("~G"));
1615                         break;
1616                 }
1617         }
1618 }
1619
1620 void
1621 MixerStrip::route_color_changed ()
1622 {
1623         name_button.modify_bg (STATE_NORMAL, color());
1624         number_label.set_fixed_colors (gdk_color_to_rgba (color()), gdk_color_to_rgba (color()));
1625         reset_strip_style ();
1626 }
1627
1628 void
1629 MixerStrip::show_passthru_color ()
1630 {
1631         reset_strip_style ();
1632 }
1633
1634
1635 void
1636 MixerStrip::help_count_plugins (boost::weak_ptr<Processor> p)
1637 {
1638         boost::shared_ptr<Processor> processor (p.lock ());
1639         if (!processor || !processor->display_to_user()) {
1640                 return;
1641         }
1642         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (processor);
1643 #ifdef MIXBUS
1644         if (pi && pi->is_channelstrip ()) {
1645                 return;
1646         }
1647 #endif
1648         if (pi) {
1649                 ++_plugin_insert_cnt;
1650         }
1651 }
1652 void
1653 MixerStrip::build_route_ops_menu ()
1654 {
1655         using namespace Menu_Helpers;
1656         route_ops_menu = new Menu;
1657         route_ops_menu->set_name ("ArdourContextMenu");
1658
1659         MenuList& items = route_ops_menu->items();
1660
1661         items.push_back (MenuElem (_("Color..."), sigc::mem_fun (*this, &RouteUI::choose_color)));
1662
1663         items.push_back (MenuElem (_("Comments..."), sigc::mem_fun (*this, &RouteUI::open_comment_editor)));
1664
1665         items.push_back (MenuElem (_("Inputs..."), sigc::mem_fun (*this, &RouteUI::edit_input_configuration)));
1666
1667         items.push_back (MenuElem (_("Outputs..."), sigc::mem_fun (*this, &RouteUI::edit_output_configuration)));
1668
1669         items.push_back (SeparatorElem());
1670
1671         if (!_route->is_master()) {
1672                 items.push_back (MenuElem (_("Save As Template..."), sigc::mem_fun(*this, &RouteUI::save_as_template)));
1673         }
1674         items.push_back (MenuElem (_("Rename..."), sigc::mem_fun(*this, &RouteUI::route_rename)));
1675         rename_menu_item = &items.back();
1676
1677         items.push_back (SeparatorElem());
1678         items.push_back (CheckMenuElem (_("Active")));
1679         Gtk::CheckMenuItem* i = dynamic_cast<Gtk::CheckMenuItem *> (&items.back());
1680         i->set_active (_route->active());
1681         i->set_sensitive(! _session->transport_rolling());
1682         i->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &RouteUI::set_route_active), !_route->active(), false));
1683
1684         if (!Profile->get_mixbus ()) {
1685                 items.push_back (SeparatorElem());
1686                 items.push_back (CheckMenuElem (_("Strict I/O")));
1687                 i = dynamic_cast<Gtk::CheckMenuItem *> (&items.back());
1688                 i->set_active (_route->strict_io());
1689                 i->signal_activate().connect (sigc::hide_return (sigc::bind (sigc::mem_fun (*_route, &Route::set_strict_io), !_route->strict_io())));
1690         }
1691
1692         _plugin_insert_cnt = 0;
1693         _route->foreach_processor (sigc::mem_fun (*this, &MixerStrip::help_count_plugins));
1694         if (_plugin_insert_cnt > 0) {
1695                 items.push_back (SeparatorElem());
1696                 items.push_back (MenuElem (_("Pin Connections..."), sigc::mem_fun (*this, &RouteUI::manage_pins)));
1697         }
1698
1699         if (_route->the_instrument () && _route->the_instrument ()->output_streams().n_audio() > 2) {
1700                 // TODO ..->n_audio() > 1 && separate_output_groups) hard to check here every time.
1701                 items.push_back (MenuElem (_("Fan Out Instrument"), sigc::bind (sigc::mem_fun (*this, &RouteUI::fan_out), true, true)));
1702         }
1703
1704         items.push_back (SeparatorElem());
1705         items.push_back (MenuElem (_("Adjust Latency..."), sigc::mem_fun (*this, &RouteUI::adjust_latency)));
1706
1707         items.push_back (SeparatorElem());
1708         items.push_back (CheckMenuElem (_("Protect Against Denormals"), sigc::mem_fun (*this, &RouteUI::toggle_denormal_protection)));
1709         denormal_menu_item = dynamic_cast<Gtk::CheckMenuItem *> (&items.back());
1710         denormal_menu_item->set_active (_route->denormal_protection());
1711
1712         if (_route) {
1713                 /* note that this relies on selection being shared across editor and
1714                    mixer (or global to the backend, in the future), which is the only
1715                    sane thing for users anyway.
1716                 */
1717
1718                 RouteTimeAxisView* rtav = PublicEditor::instance().get_route_view_by_route_id (_route->id());
1719                 if (rtav) {
1720                         Selection& selection (PublicEditor::instance().get_selection());
1721                         if (!selection.selected (rtav)) {
1722                                 selection.set (rtav);
1723                         }
1724
1725                         if (!_route->is_master()) {
1726                                 items.push_back (SeparatorElem());
1727                                 items.push_back (MenuElem (_("Duplicate..."), sigc::mem_fun (*this, &RouteUI::duplicate_selected_routes)));
1728                         }
1729
1730                         items.push_back (SeparatorElem());
1731                         items.push_back (MenuElem (_("Remove"), sigc::mem_fun(PublicEditor::instance(), &PublicEditor::remove_tracks)));
1732                 }
1733         }
1734 }
1735
1736 gboolean
1737 MixerStrip::name_button_button_press (GdkEventButton* ev)
1738 {
1739         if (ev->button == 1 || ev->button == 3) {
1740                 list_route_operations ();
1741
1742                 /* do not allow rename if the track is record-enabled */
1743                 rename_menu_item->set_sensitive (!is_track() || !track()->rec_enable_control()->get_value());
1744                 if (ev->button == 1) {
1745                         Gtkmm2ext::anchored_menu_popup(route_ops_menu, &name_button, "",
1746                                                        1, ev->time);
1747                 } else {
1748                         route_ops_menu->popup (3, ev->time);
1749                 }
1750
1751                 return true;
1752         }
1753
1754         return false;
1755 }
1756
1757 gboolean
1758 MixerStrip::number_button_button_press (GdkEventButton* ev)
1759 {
1760         if (  ev->button == 3 ) {
1761                 list_route_operations ();
1762
1763                 /* do not allow rename if the track is record-enabled */
1764                 rename_menu_item->set_sensitive (!is_track() || !track()->rec_enable_control()->get_value());
1765                 route_ops_menu->popup (1, ev->time);
1766
1767                 return true;
1768         }
1769
1770         return false;
1771 }
1772
1773 void
1774 MixerStrip::list_route_operations ()
1775 {
1776         delete route_ops_menu;
1777         build_route_ops_menu ();
1778 }
1779
1780 void
1781 MixerStrip::set_selected (bool yn)
1782 {
1783         AxisView::set_selected (yn);
1784
1785         if (selected()) {
1786                 global_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
1787                 global_frame.set_name ("MixerStripSelectedFrame");
1788         } else {
1789                 global_frame.set_shadow_type (Gtk::SHADOW_IN);
1790                 global_frame.set_name ("MixerStripFrame");
1791         }
1792
1793         global_frame.queue_draw ();
1794
1795 //      if (!yn)
1796 //              processor_box.deselect_all_processors();
1797 }
1798
1799 void
1800 MixerStrip::route_property_changed (const PropertyChange& what_changed)
1801 {
1802         if (what_changed.contains (ARDOUR::Properties::name)) {
1803                 name_changed ();
1804         }
1805 }
1806
1807 void
1808 MixerStrip::name_changed ()
1809 {
1810         switch (_width) {
1811                 case Wide:
1812                         name_button.set_text (_route->name());
1813                         break;
1814                 case Narrow:
1815                         name_button.set_text (PBD::short_version (_route->name(), 5));
1816                         break;
1817         }
1818
1819         set_tooltip (name_button, _route->name());
1820
1821         if (_session->config.get_track_name_number()) {
1822                 const int64_t track_number = _route->track_number ();
1823                 if (track_number == 0) {
1824                         number_label.set_text ("-");
1825                 } else {
1826                         number_label.set_text (PBD::to_string (abs(_route->track_number ()), std::dec));
1827                 }
1828         } else {
1829                 number_label.set_text ("");
1830         }
1831 }
1832
1833 void
1834 MixerStrip::input_button_resized (Gtk::Allocation& alloc)
1835 {
1836         input_button.set_layout_ellipsize_width (alloc.get_width() * PANGO_SCALE);
1837 }
1838
1839 void
1840 MixerStrip::output_button_resized (Gtk::Allocation& alloc)
1841 {
1842         output_button.set_layout_ellipsize_width (alloc.get_width() * PANGO_SCALE);
1843 }
1844
1845 void
1846 MixerStrip::name_button_resized (Gtk::Allocation& alloc)
1847 {
1848         name_button.set_layout_ellipsize_width (alloc.get_width() * PANGO_SCALE);
1849 }
1850
1851 void
1852 MixerStrip::comment_button_resized (Gtk::Allocation& alloc)
1853 {
1854         _comment_button.set_layout_ellipsize_width (alloc.get_width() * PANGO_SCALE);
1855 }
1856
1857 bool
1858 MixerStrip::width_button_pressed (GdkEventButton* ev)
1859 {
1860         if (ev->button != 1) {
1861                 return false;
1862         }
1863
1864         if (Keyboard::modifier_state_contains (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier | Keyboard::TertiaryModifier)) && _mixer_owned) {
1865                 switch (_width) {
1866                 case Wide:
1867                         _mixer.set_strip_width (Narrow, true);
1868                         break;
1869
1870                 case Narrow:
1871                         _mixer.set_strip_width (Wide, true);
1872                         break;
1873                 }
1874         } else {
1875                 switch (_width) {
1876                 case Wide:
1877                         set_width_enum (Narrow, this);
1878                         break;
1879                 case Narrow:
1880                         set_width_enum (Wide, this);
1881                         break;
1882                 }
1883         }
1884
1885         return true;
1886 }
1887
1888 void
1889 MixerStrip::hide_clicked ()
1890 {
1891         // LAME fix to reset the button status for when it is redisplayed (part 1)
1892         hide_button.set_sensitive(false);
1893
1894         if (_embedded) {
1895                 Hiding(); /* EMIT_SIGNAL */
1896         } else {
1897                 _mixer.hide_strip (this);
1898         }
1899
1900         // (part 2)
1901         hide_button.set_sensitive(true);
1902 }
1903
1904 void
1905 MixerStrip::set_embedded (bool yn)
1906 {
1907         _embedded = yn;
1908 }
1909
1910 void
1911 MixerStrip::map_frozen ()
1912 {
1913         ENSURE_GUI_THREAD (*this, &MixerStrip::map_frozen)
1914
1915         boost::shared_ptr<AudioTrack> at = audio_track();
1916
1917         if (at) {
1918                 switch (at->freeze_state()) {
1919                 case AudioTrack::Frozen:
1920                         processor_box.set_sensitive (false);
1921                         hide_redirect_editors ();
1922                         break;
1923                 default:
1924                         processor_box.set_sensitive (true);
1925                         // XXX need some way, maybe, to retoggle redirect editors
1926                         break;
1927                 }
1928         } else {
1929                 processor_box.set_sensitive (true);
1930         }
1931         RouteUI::map_frozen ();
1932 }
1933
1934 void
1935 MixerStrip::hide_redirect_editors ()
1936 {
1937         _route->foreach_processor (sigc::mem_fun (*this, &MixerStrip::hide_processor_editor));
1938 }
1939
1940 void
1941 MixerStrip::hide_processor_editor (boost::weak_ptr<Processor> p)
1942 {
1943         boost::shared_ptr<Processor> processor (p.lock ());
1944         if (!processor) {
1945                 return;
1946         }
1947
1948         Gtk::Window* w = processor_box.get_processor_ui (processor);
1949
1950         if (w) {
1951                 w->hide ();
1952         }
1953 }
1954
1955 void
1956 MixerStrip::reset_strip_style ()
1957 {
1958         if (_current_delivery && boost::dynamic_pointer_cast<Send>(_current_delivery)) {
1959
1960                 gpm.set_fader_name ("SendStripBase");
1961
1962         } else {
1963
1964                 if (is_midi_track()) {
1965                         if (_route->active()) {
1966                                 set_name ("MidiTrackStripBase");
1967                         } else {
1968                                 set_name ("MidiTrackStripBaseInactive");
1969                         }
1970                         gpm.set_fader_name ("MidiTrackFader");
1971                 } else if (is_audio_track()) {
1972                         if (_route->active()) {
1973                                 set_name ("AudioTrackStripBase");
1974                         } else {
1975                                 set_name ("AudioTrackStripBaseInactive");
1976                         }
1977                         gpm.set_fader_name ("AudioTrackFader");
1978                 } else {
1979                         if (_route->active()) {
1980                                 set_name ("AudioBusStripBase");
1981                         } else {
1982                                 set_name ("AudioBusStripBaseInactive");
1983                         }
1984                         gpm.set_fader_name ("AudioBusFader");
1985
1986                         /* (no MIDI busses yet) */
1987                 }
1988         }
1989 }
1990
1991
1992 void
1993 MixerStrip::engine_stopped ()
1994 {
1995 }
1996
1997 void
1998 MixerStrip::engine_running ()
1999 {
2000 }
2001
2002 string
2003 MixerStrip::meter_point_string (MeterPoint mp)
2004 {
2005         switch (_width) {
2006         case Wide:
2007                 switch (mp) {
2008                 case MeterInput:
2009                         return _("In");
2010                         break;
2011
2012                 case MeterPreFader:
2013                         return _("Pre");
2014                         break;
2015
2016                 case MeterPostFader:
2017                         return _("Post");
2018                         break;
2019
2020                 case MeterOutput:
2021                         return _("Out");
2022                         break;
2023
2024                 case MeterCustom:
2025                 default:
2026                         return _("Custom");
2027                         break;
2028                 }
2029                 break;
2030         case Narrow:
2031                 switch (mp) {
2032                 case MeterInput:
2033                         return S_("Meter|In");
2034                         break;
2035
2036                 case MeterPreFader:
2037                         return S_("Meter|Pr");
2038                         break;
2039
2040                 case MeterPostFader:
2041                         return S_("Meter|Po");
2042                         break;
2043
2044                 case MeterOutput:
2045                         return S_("Meter|O");
2046                         break;
2047
2048                 case MeterCustom:
2049                 default:
2050                         return S_("Meter|C");
2051                         break;
2052                 }
2053                 break;
2054         }
2055
2056         return string();
2057 }
2058
2059 /** Called when the monitor-section state */
2060 void
2061 MixerStrip::monitor_changed ()
2062 {
2063         assert (monitor_section_button);
2064         if (_session->monitor_active()) {
2065                 monitor_section_button->set_name ("master monitor section button active");
2066         } else {
2067                 monitor_section_button->set_name ("master monitor section button normal");
2068         }
2069 }
2070
2071 /** Called when the metering point has changed */
2072 void
2073 MixerStrip::meter_changed ()
2074 {
2075         meter_point_button.set_text (meter_point_string (_route->meter_point()));
2076         gpm.setup_meters ();
2077         // reset peak when meter point changes
2078         gpm.reset_peak_display();
2079 }
2080
2081 /** The bus that we are displaying sends to has changed, or been turned off.
2082  *  @param send_to New bus that we are displaying sends to, or 0.
2083  */
2084 void
2085 MixerStrip::bus_send_display_changed (boost::shared_ptr<Route> send_to)
2086 {
2087         RouteUI::bus_send_display_changed (send_to);
2088
2089         if (send_to) {
2090                 boost::shared_ptr<Send> send = _route->internal_send_for (send_to);
2091
2092                 if (send) {
2093                         show_send (send);
2094                 } else {
2095                         revert_to_default_display ();
2096                 }
2097         } else {
2098                 revert_to_default_display ();
2099         }
2100 }
2101
2102 void
2103 MixerStrip::drop_send ()
2104 {
2105         boost::shared_ptr<Send> current_send;
2106
2107         if (_current_delivery && ((current_send = boost::dynamic_pointer_cast<Send>(_current_delivery)) != 0)) {
2108                 current_send->set_metering (false);
2109         }
2110
2111         send_gone_connection.disconnect ();
2112         input_button.set_sensitive (true);
2113         output_button.set_sensitive (true);
2114         group_button.set_sensitive (true);
2115         set_invert_sensitive (true);
2116         meter_point_button.set_sensitive (true);
2117         mute_button->set_sensitive (true);
2118         solo_button->set_sensitive (true);
2119         solo_isolated_led->set_sensitive (true);
2120         solo_safe_led->set_sensitive (true);
2121         monitor_input_button->set_sensitive (true);
2122         monitor_disk_button->set_sensitive (true);
2123         _comment_button.set_sensitive (true);
2124         RouteUI::check_rec_enable_sensitivity ();
2125         set_button_names (); // update solo button visual state
2126 }
2127
2128 void
2129 MixerStrip::set_current_delivery (boost::shared_ptr<Delivery> d)
2130 {
2131         _current_delivery = d;
2132         DeliveryChanged (_current_delivery);
2133 }
2134
2135 void
2136 MixerStrip::show_send (boost::shared_ptr<Send> send)
2137 {
2138         assert (send != 0);
2139
2140         drop_send ();
2141
2142         set_current_delivery (send);
2143
2144         send->meter()->set_type(_route->shared_peak_meter()->get_type());
2145         send->set_metering (true);
2146         _current_delivery->DropReferences.connect (send_gone_connection, invalidator (*this), boost::bind (&MixerStrip::revert_to_default_display, this), gui_context());
2147
2148         gain_meter().set_controls (_route, send->meter(), send->amp(), send->gain_control());
2149         gain_meter().setup_meters ();
2150
2151         uint32_t const in = _current_delivery->pans_required();
2152         uint32_t const out = _current_delivery->pan_outs();
2153
2154         panner_ui().set_panner (_current_delivery->panner_shell(), _current_delivery->panner());
2155         panner_ui().set_available_panners(PannerManager::instance().PannerManager::get_available_panners(in, out));
2156         panner_ui().setup_pan ();
2157         panner_ui().set_send_drawing_mode (true);
2158         panner_ui().show_all ();
2159
2160         input_button.set_sensitive (false);
2161         group_button.set_sensitive (false);
2162         set_invert_sensitive (false);
2163         meter_point_button.set_sensitive (false);
2164         mute_button->set_sensitive (false);
2165         solo_button->set_sensitive (false);
2166         rec_enable_button->set_sensitive (false);
2167         solo_isolated_led->set_sensitive (false);
2168         solo_safe_led->set_sensitive (false);
2169         monitor_input_button->set_sensitive (false);
2170         monitor_disk_button->set_sensitive (false);
2171         _comment_button.set_sensitive (false);
2172
2173         if (boost::dynamic_pointer_cast<InternalSend>(send)) {
2174                 output_button.set_sensitive (false);
2175         }
2176
2177         reset_strip_style ();
2178 }
2179
2180 void
2181 MixerStrip::revert_to_default_display ()
2182 {
2183         drop_send ();
2184
2185         set_current_delivery (_route->main_outs ());
2186
2187         gain_meter().set_controls (_route, _route->shared_peak_meter(), _route->amp(), _route->gain_control());
2188         gain_meter().setup_meters ();
2189
2190         panner_ui().set_panner (_route->main_outs()->panner_shell(), _route->main_outs()->panner());
2191         update_panner_choices();
2192         panner_ui().setup_pan ();
2193         panner_ui().set_send_drawing_mode (false);
2194
2195         if (has_audio_outputs ()) {
2196                 panners.show_all ();
2197         } else {
2198                 panners.hide_all ();
2199         }
2200
2201         reset_strip_style ();
2202 }
2203
2204 void
2205 MixerStrip::set_button_names ()
2206 {
2207         switch (_width) {
2208         case Wide:
2209                 mute_button->set_text (_("Mute"));
2210                 monitor_input_button->set_text (_("In"));
2211                 monitor_disk_button->set_text (_("Disk"));
2212                 if (monitor_section_button) {
2213                         monitor_section_button->set_text (_("Mon"));
2214                 }
2215
2216                 if (_route && _route->solo_safe_control()->solo_safe()) {
2217                         solo_button->set_visual_state (Gtkmm2ext::VisualState (solo_button->visual_state() | Gtkmm2ext::Insensitive));
2218                 } else {
2219                         solo_button->set_visual_state (Gtkmm2ext::VisualState (solo_button->visual_state() & ~Gtkmm2ext::Insensitive));
2220                 }
2221                 if (!Config->get_solo_control_is_listen_control()) {
2222                         solo_button->set_text (_("Solo"));
2223                 } else {
2224                         switch (Config->get_listen_position()) {
2225                         case AfterFaderListen:
2226                                 solo_button->set_text (_("AFL"));
2227                                 break;
2228                         case PreFaderListen:
2229                                 solo_button->set_text (_("PFL"));
2230                                 break;
2231                         }
2232                 }
2233                 solo_isolated_led->set_text (_("Iso"));
2234                 solo_safe_led->set_text (S_("SoloLock|Lock"));
2235                 break;
2236
2237         default:
2238                 mute_button->set_text (S_("Mute|M"));
2239                 monitor_input_button->set_text (S_("MonitorInput|I"));
2240                 monitor_disk_button->set_text (S_("MonitorDisk|D"));
2241                 if (monitor_section_button) {
2242                         monitor_section_button->set_text (S_("Mon|O"));
2243                 }
2244
2245                 if (_route && _route->solo_safe_control()->solo_safe()) {
2246                         solo_button->set_visual_state (Gtkmm2ext::VisualState (solo_button->visual_state() | Gtkmm2ext::Insensitive));
2247                 } else {
2248                         solo_button->set_visual_state (Gtkmm2ext::VisualState (solo_button->visual_state() & ~Gtkmm2ext::Insensitive));
2249                 }
2250                 if (!Config->get_solo_control_is_listen_control()) {
2251                         solo_button->set_text (S_("Solo|S"));
2252                 } else {
2253                         switch (Config->get_listen_position()) {
2254                         case AfterFaderListen:
2255                                 solo_button->set_text (S_("AfterFader|A"));
2256                                 break;
2257                         case PreFaderListen:
2258                                 solo_button->set_text (S_("Prefader|P"));
2259                                 break;
2260                         }
2261                 }
2262
2263                 solo_isolated_led->set_text (S_("SoloIso|I"));
2264                 solo_safe_led->set_text (S_("SoloLock|L"));
2265                 break;
2266         }
2267
2268         if (_route) {
2269                 meter_point_button.set_text (meter_point_string (_route->meter_point()));
2270         } else {
2271                 meter_point_button.set_text ("");
2272         }
2273 }
2274
2275 PluginSelector*
2276 MixerStrip::plugin_selector()
2277 {
2278         return _mixer.plugin_selector();
2279 }
2280
2281 void
2282 MixerStrip::hide_things ()
2283 {
2284         processor_box.hide_things ();
2285 }
2286
2287 bool
2288 MixerStrip::input_active_button_press (GdkEventButton*)
2289 {
2290         /* nothing happens on press */
2291         return true;
2292 }
2293
2294 bool
2295 MixerStrip::input_active_button_release (GdkEventButton* ev)
2296 {
2297         boost::shared_ptr<MidiTrack> mt = midi_track ();
2298
2299         if (!mt) {
2300                 return true;
2301         }
2302
2303         boost::shared_ptr<RouteList> rl (new RouteList);
2304
2305         rl->push_back (route());
2306
2307         _session->set_exclusive_input_active (rl, !mt->input_active(),
2308                                               Keyboard::modifier_state_contains (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::SecondaryModifier)));
2309
2310         return true;
2311 }
2312
2313 void
2314 MixerStrip::midi_input_status_changed ()
2315 {
2316         if (midi_input_enable_button) {
2317                 boost::shared_ptr<MidiTrack> mt = midi_track ();
2318                 assert (mt);
2319                 midi_input_enable_button->set_active (mt->input_active ());
2320         }
2321 }
2322
2323 string
2324 MixerStrip::state_id () const
2325 {
2326         return string_compose ("strip %1", _route->id().to_s());
2327 }
2328
2329 void
2330 MixerStrip::parameter_changed (string p)
2331 {
2332         if (p == _visibility.get_state_name()) {
2333                 /* The user has made changes to the mixer strip visibility, so get
2334                    our VisibilityGroup to reflect these changes in our widgets.
2335                 */
2336                 _visibility.set_state (UIConfiguration::instance().get_mixer_strip_visibility ());
2337         } else if (p == "track-name-number") {
2338                 name_changed ();
2339         } else if (p == "use-monitor-bus") {
2340                 if (monitor_section_button) {
2341                         if (mute_button->get_parent()) {
2342                                 mute_button->get_parent()->remove(*mute_button);
2343                         }
2344                         if (monitor_section_button->get_parent()) {
2345                                 monitor_section_button->get_parent()->remove(*monitor_section_button);
2346                         }
2347                         if (Config->get_use_monitor_bus ()) {
2348                                 mute_solo_table.attach (*mute_button, 0, 1, 0, 1);
2349                                 mute_solo_table.attach (*monitor_section_button, 1, 2, 0, 1);
2350                                 mute_button->show();
2351                                 monitor_section_button->show();
2352                         } else {
2353                                 mute_solo_table.attach (*mute_button, 0, 2, 0, 1);
2354                                 mute_button->show();
2355                         }
2356                 }
2357         } else if (p == "track-name-number") {
2358                 update_track_number_visibility();
2359         }
2360 }
2361
2362 /** Called to decide whether the solo isolate / solo lock button visibility should
2363  *  be overridden from that configured by the user.  We do this for the master bus.
2364  *
2365  *  @return optional value that is present if visibility state should be overridden.
2366  */
2367 boost::optional<bool>
2368 MixerStrip::override_solo_visibility () const
2369 {
2370         if (_route && _route->is_master ()) {
2371                 return boost::optional<bool> (false);
2372         }
2373
2374         return boost::optional<bool> ();
2375 }
2376
2377 void
2378 MixerStrip::add_input_port (DataType t)
2379 {
2380         _route->input()->add_port ("", this, t);
2381 }
2382
2383 void
2384 MixerStrip::add_output_port (DataType t)
2385 {
2386         _route->output()->add_port ("", this, t);
2387 }
2388
2389 void
2390 MixerStrip::route_active_changed ()
2391 {
2392         reset_strip_style ();
2393 }
2394
2395 void
2396 MixerStrip::copy_processors ()
2397 {
2398         processor_box.processor_operation (ProcessorBox::ProcessorsCopy);
2399 }
2400
2401 void
2402 MixerStrip::cut_processors ()
2403 {
2404         processor_box.processor_operation (ProcessorBox::ProcessorsCut);
2405 }
2406
2407 void
2408 MixerStrip::paste_processors ()
2409 {
2410         processor_box.processor_operation (ProcessorBox::ProcessorsPaste);
2411 }
2412
2413 void
2414 MixerStrip::select_all_processors ()
2415 {
2416         processor_box.processor_operation (ProcessorBox::ProcessorsSelectAll);
2417 }
2418
2419 void
2420 MixerStrip::deselect_all_processors ()
2421 {
2422         processor_box.processor_operation (ProcessorBox::ProcessorsSelectNone);
2423 }
2424
2425 bool
2426 MixerStrip::delete_processors ()
2427 {
2428         return processor_box.processor_operation (ProcessorBox::ProcessorsDelete);
2429 }
2430
2431 void
2432 MixerStrip::toggle_processors ()
2433 {
2434         processor_box.processor_operation (ProcessorBox::ProcessorsToggleActive);
2435 }
2436
2437 void
2438 MixerStrip::ab_plugins ()
2439 {
2440         processor_box.processor_operation (ProcessorBox::ProcessorsAB);
2441 }
2442
2443 bool
2444 MixerStrip::level_meter_button_press (GdkEventButton* ev)
2445 {
2446         if (_current_delivery && boost::dynamic_pointer_cast<Send>(_current_delivery)) {
2447                 return false;
2448         }
2449         if (ev->button == 3) {
2450                 popup_level_meter_menu (ev);
2451                 return true;
2452         }
2453
2454         return false;
2455 }
2456
2457 void
2458 MixerStrip::popup_level_meter_menu (GdkEventButton* ev)
2459 {
2460         using namespace Gtk::Menu_Helpers;
2461
2462         Gtk::Menu* m = manage (new Menu);
2463         MenuList& items = m->items ();
2464
2465         RadioMenuItem::Group group;
2466
2467         _suspend_menu_callbacks = true;
2468         add_level_meter_item_point (items, group, _("Input"), MeterInput);
2469         add_level_meter_item_point (items, group, _("Pre Fader"), MeterPreFader);
2470         add_level_meter_item_point (items, group, _("Post Fader"), MeterPostFader);
2471         add_level_meter_item_point (items, group, _("Output"), MeterOutput);
2472         add_level_meter_item_point (items, group, _("Custom"), MeterCustom);
2473
2474         if (gpm.meter_channels().n_audio() == 0) {
2475                 m->popup (ev->button, ev->time);
2476                 _suspend_menu_callbacks = false;
2477                 return;
2478         }
2479
2480         RadioMenuItem::Group tgroup;
2481         items.push_back (SeparatorElem());
2482
2483         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterPeak), MeterPeak);
2484         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterPeak0dB), MeterPeak0dB);
2485         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterKrms),  MeterKrms);
2486         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterIEC1DIN), MeterIEC1DIN);
2487         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterIEC1NOR), MeterIEC1NOR);
2488         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterIEC2BBC), MeterIEC2BBC);
2489         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterIEC2EBU), MeterIEC2EBU);
2490         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterK20), MeterK20);
2491         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterK14), MeterK14);
2492         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterK12), MeterK12);
2493         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterVU),  MeterVU);
2494
2495         int _strip_type;
2496         if (_route->is_master()) {
2497                 _strip_type = 4;
2498         }
2499         else if (boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
2500                         && boost::dynamic_pointer_cast<MidiTrack>(_route) == 0) {
2501                 /* non-master bus */
2502                 _strip_type = 3;
2503         }
2504         else if (boost::dynamic_pointer_cast<MidiTrack>(_route)) {
2505                 _strip_type = 2;
2506         }
2507         else {
2508                 _strip_type = 1;
2509         }
2510
2511         MeterType cmt = _route->meter_type();
2512         const std::string cmn = ArdourMeter::meter_type_string(cmt);
2513
2514         items.push_back (SeparatorElem());
2515         items.push_back (MenuElem (string_compose(_("Change all in Group to %1"), cmn),
2516                                 sigc::bind (SetMeterTypeMulti, -1, _route->route_group(), cmt)));
2517         items.push_back (MenuElem (string_compose(_("Change all to %1"), cmn),
2518                                 sigc::bind (SetMeterTypeMulti, 0, _route->route_group(), cmt)));
2519         items.push_back (MenuElem (string_compose(_("Change same track-type to %1"), cmn),
2520                                 sigc::bind (SetMeterTypeMulti, _strip_type, _route->route_group(), cmt)));
2521
2522         m->popup (ev->button, ev->time);
2523         _suspend_menu_callbacks = false;
2524 }
2525
2526 void
2527 MixerStrip::add_level_meter_item_point (Menu_Helpers::MenuList& items,
2528                 RadioMenuItem::Group& group, string const & name, MeterPoint point)
2529 {
2530         using namespace Menu_Helpers;
2531
2532         items.push_back (RadioMenuElem (group, name, sigc::bind (sigc::mem_fun (*this, &MixerStrip::set_meter_point), point)));
2533         RadioMenuItem* i = dynamic_cast<RadioMenuItem *> (&items.back ());
2534         i->set_active (_route->meter_point() == point);
2535 }
2536
2537 void
2538 MixerStrip::set_meter_point (MeterPoint p)
2539 {
2540         if (_suspend_menu_callbacks) return;
2541         _route->set_meter_point (p);
2542 }
2543
2544 void
2545 MixerStrip::add_level_meter_item_type (Menu_Helpers::MenuList& items,
2546                 RadioMenuItem::Group& group, string const & name, MeterType type)
2547 {
2548         using namespace Menu_Helpers;
2549
2550         items.push_back (RadioMenuElem (group, name, sigc::bind (sigc::mem_fun (*this, &MixerStrip::set_meter_type), type)));
2551         RadioMenuItem* i = dynamic_cast<RadioMenuItem *> (&items.back ());
2552         i->set_active (_route->meter_type() == type);
2553 }
2554
2555 void
2556 MixerStrip::set_meter_type (MeterType t)
2557 {
2558         if (_suspend_menu_callbacks) return;
2559         gpm.set_type (t);
2560 }
2561
2562 void
2563 MixerStrip::update_track_number_visibility ()
2564 {
2565         DisplaySuspender ds;
2566         bool show_label = _session->config.get_track_name_number();
2567
2568         if (_route && _route->is_master()) {
2569                 show_label = false;
2570         }
2571
2572         if (show_label) {
2573                 number_label.show ();
2574                 // see ArdourButton::on_size_request(), we should probably use a global size-group here instead.
2575                 // except the width of the number label is subtracted from the name-hbox, so we
2576                 // need to explictly calculate it anyway until the name-label & entry become ArdourWidgets.
2577                 int tnw = (2 + std::max(2u, _session->track_number_decimals())) * number_label.char_pixel_width();
2578                 if (tnw & 1) --tnw;
2579                 number_label.set_size_request(tnw, -1);
2580                 number_label.show ();
2581         } else {
2582                 number_label.hide ();
2583         }
2584 }
2585
2586 Gdk::Color
2587 MixerStrip::color () const
2588 {
2589         return route_color ();
2590 }
2591
2592 bool
2593 MixerStrip::marked_for_display () const
2594 {
2595         return !_route->presentation_info().hidden();
2596 }
2597
2598 bool
2599 MixerStrip::set_marked_for_display (bool yn)
2600 {
2601         return RouteUI::mark_hidden (!yn);
2602 }