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/ardour.h"
  38 #include "ardour/amp.h"
  39 #include "ardour/session.h"
  40 #include "ardour/audioengine.h"
  41 #include "ardour/internal_send.h"
  42 #include "ardour/route.h"
  43 #include "ardour/route_group.h"
  44 #include "ardour/audio_track.h"
  45 #include "ardour/midi_track.h"
  46 #include "ardour/pannable.h"
  47 #include "ardour/panner.h"
  48 #include "ardour/panner_shell.h"
  49 #include "ardour/send.h"
  50 #include "ardour/processor.h"
  51 #include "ardour/profile.h"
  52 #include "ardour/ladspa_plugin.h"
  53 #include "ardour/user_bundle.h"
  54 #include "ardour/port.h"
  55
  56 #include "ardour_ui.h"
  57 #include "ardour_window.h"
  58 #include "mixer_strip.h"
  59 #include "mixer_ui.h"
  60 #include "keyboard.h"
  61 #include "ardour_button.h"
  62 #include "public_editor.h"
  63 #include "send_ui.h"
  64 #include "io_selector.h"
  65 #include "utils.h"
  66 #include "gui_thread.h"
  67 #include "route_group_menu.h"
  68
  69 #include "i18n.h"
  70
  71 using namespace ARDOUR;
  72 using namespace PBD;
  73 using namespace Gtk;
  74 using namespace Gtkmm2ext;
  75 using namespace std;
  76
  77 int MixerStrip::scrollbar_height = 0;
  78 PBD::Signal1<void,MixerStrip*> MixerStrip::CatchDeletion;
  79
  80 MixerStrip::MixerStrip (Mixer_UI& mx, Session* sess, bool in_mixer)
  81         : AxisView(sess)
  82         , RouteUI (sess)
  83         , _mixer(mx)
  84         , _mixer_owned (in_mixer)
  85         , processor_box (sess, boost::bind (&MixerStrip::plugin_selector, this), mx.selection(), this, in_mixer)
  86         , gpm (sess, 250)
  87         , panners (sess)
  88         , button_size_group (Gtk::SizeGroup::create (Gtk::SIZE_GROUP_HORIZONTAL))
  89         , button_table (3, 1)
  90         , rec_solo_table (2, 2)
  91         , top_button_table (1, 2)
  92         , middle_button_table (1, 2)
  93         , bottom_button_table (1, 2)
  94         , meter_point_button (_("pre"))
  95         , midi_input_enable_button (0)
  96         , _comment_button (_("Comments"))
  97         , _visibility (X_("mixer-strip-visibility"))
  98 {
  99         init ();
 100
 101         if (!_mixer_owned) {
 102                 /* the editor mixer strip: don't destroy it every time
 103                    the underlying route goes away.
 104                 */
 105
 106                 self_destruct = false;
 107         }
 108 }
 109
 110 MixerStrip::MixerStrip (Mixer_UI& mx, Session* sess, boost::shared_ptr<Route> rt, bool in_mixer)
 111         : AxisView(sess)
 112         , RouteUI (sess)
 113         , _mixer(mx)
 114         , _mixer_owned (in_mixer)
 115         , processor_box (sess, sigc::mem_fun(*this, &MixerStrip::plugin_selector), mx.selection(), this, in_mixer)
 116         , gpm (sess, 250)
 117         , panners (sess)
 118         , button_size_group (Gtk::SizeGroup::create (Gtk::SIZE_GROUP_HORIZONTAL))
 119         , button_table (3, 1)
 120         , middle_button_table (1, 2)
 121         , bottom_button_table (1, 2)
 122         , meter_point_button (_("pre"))
 123         , midi_input_enable_button (0)
 124         , _comment_button (_("Comments"))
 125         , _visibility (X_("mixer-strip-visibility"))
 126 {
 127         init ();
 128         set_route (rt);
 129 }
 130
 131 void
 132 MixerStrip::init ()
 133 {
 134         input_selector = 0;
 135         output_selector = 0;
 136         group_menu = 0;
 137         route_ops_menu = 0;
 138         ignore_comment_edit = false;
 139         ignore_toggle = false;
 140         comment_window = 0;
 141         comment_area = 0;
 142         _width_owner = 0;
 143         spacer = 0;
 144
 145         /* the length of this string determines the width of the mixer strip when it is set to `wide' */
 146         longest_label = "longest label";
 147
 148         string t = _("Click to toggle the width of this mixer strip.");
 149         if (_mixer_owned) {
 150                 t += string_compose (_("\n%1-%2-click to toggle the width of all strips."), Keyboard::primary_modifier_name(), Keyboard::tertiary_modifier_name ());
 151         }
 152
 153         width_button.set_image (::get_icon("strip_width"));
 154         ARDOUR_UI::instance()->set_tip (width_button, t);
 155
 156         hide_button.set_image(::get_icon("hide"));
 157         ARDOUR_UI::instance()->set_tip (&hide_button, _("Hide this mixer strip"));
 158
 159         input_button.set_text (_("Input"));
 160         ARDOUR_UI::instance()->set_tip (&input_button, _("Button 1 to choose inputs from a port matrix, button 3 to select inputs from a menu"), "");
 161         input_button.set_name ("mixer strip button");
 162         input_button_box.pack_start (input_button, true, true);
 163
 164         output_button.set_text (_("Output"));
 165         ARDOUR_UI::instance()->set_tip (&output_button, _("Button 1 to choose outputs from a port matrix, button 3 to select inputs from a menu"), "");
 166         output_button.set_name ("mixer strip button");
 167         Gtkmm2ext::set_size_request_to_display_given_text (output_button, longest_label.c_str(), 4, 4);
 168
 169         ARDOUR_UI::instance()->set_tip (&meter_point_button, _("Select metering point"), "");
 170         meter_point_button.set_name ("mixer strip button");
 171
 172         /* TRANSLATORS: this string should be longest of the strings
 173            used to describe meter points. In english, it's "input".
 174         */
 175         set_size_request_to_display_given_text (meter_point_button, _("tupni"), 5, 5);
 176
 177         bottom_button_table.attach (meter_point_button, 1, 2, 0, 1);
 178
 179         meter_point_button.signal_button_press_event().connect (sigc::mem_fun (gpm, &GainMeter::meter_press), false);
 180         meter_point_button.signal_button_release_event().connect (sigc::mem_fun (gpm, &GainMeter::meter_release), false);
 181
 182         hide_button.set_events (hide_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
 183
 184         monitor_input_button->set_diameter (3);
 185         monitor_disk_button->set_diameter (3);
 186
 187         solo_isolated_led = manage (new ArdourButton (ArdourButton::led_default_elements));
 188         solo_isolated_led->show ();
 189         solo_isolated_led->set_diameter (3);
 190         solo_isolated_led->set_no_show_all (true);
 191         solo_isolated_led->set_name (X_("solo isolate"));
 192         solo_isolated_led->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 193         solo_isolated_led->signal_button_release_event().connect (sigc::mem_fun (*this, &RouteUI::solo_isolate_button_release));
 194         UI::instance()->set_tip (solo_isolated_led, _("Isolate Solo"), "");
 195
 196         solo_safe_led = manage (new ArdourButton (ArdourButton::led_default_elements));
 197         solo_safe_led->show ();
 198         solo_safe_led->set_diameter (3);
 199         solo_safe_led->set_no_show_all (true);
 200         solo_safe_led->set_name (X_("solo safe"));
 201         solo_safe_led->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 202         solo_safe_led->signal_button_release_event().connect (sigc::mem_fun (*this, &RouteUI::solo_safe_button_release));
 203         UI::instance()->set_tip (solo_safe_led, _("Lock Solo Status"), "");
 204
 205         solo_safe_led->set_text (_("lock"));
 206         solo_isolated_led->set_text (_("iso"));
 207
 208         top_button_table.set_homogeneous (true);
 209         top_button_table.set_spacings (2);
 210         top_button_table.attach (*monitor_input_button, 0, 1, 0, 1);
 211         top_button_table.attach (*monitor_disk_button, 1, 2, 0, 1);
 212         top_button_table.show ();
 213
 214         rec_solo_table.set_homogeneous (false);
 215         rec_solo_table.set_row_spacings (2);
 216         rec_solo_table.set_col_spacings (2);
 217         rec_solo_table.attach (*solo_isolated_led, 1, 2, 0, 1);
 218         rec_solo_table.attach (*solo_safe_led, 1, 2, 1, 2);
 219         rec_solo_table.show ();
 220
 221         button_table.set_homogeneous (false);
 222         button_table.set_spacings (0);
 223
 224         if (solo_isolated_led) {
 225                 button_size_group->add_widget (*solo_isolated_led);
 226         }
 227         if (solo_safe_led) {
 228                 button_size_group->add_widget (*solo_safe_led);
 229         }
 230         if (rec_enable_button) {
 231                 button_size_group->add_widget (*rec_enable_button);
 232         }
 233         if (monitor_disk_button) {
 234                 button_size_group->add_widget (*monitor_disk_button);
 235         }
 236         if (monitor_input_button) {
 237                 button_size_group->add_widget (*monitor_input_button);
 238         }
 239
 240         button_table.attach (name_button, 0, 1, 0, 1);
 241         button_table.attach (input_button_box, 0, 1, 1, 2);
 242         button_table.attach (_invert_button_box, 0, 1, 2, 3);
 243
 244         middle_button_table.set_homogeneous (true);
 245         middle_button_table.set_spacings (2);
 246
 247         bottom_button_table.set_col_spacings (0);
 248         bottom_button_table.set_homogeneous (true);
 249         bottom_button_table.attach (group_button, 0, 1, 0, 1);
 250
 251         name_button.set_name ("mixer strip name button");
 252         Gtkmm2ext::set_size_request_to_display_given_text (name_button, longest_label.c_str(), 2, 2);
 253
 254         ARDOUR_UI::instance()->set_tip (&group_button, _("Mix group"), "");
 255         group_button.set_name ("mixer strip button");
 256         Gtkmm2ext::set_size_request_to_display_given_text (group_button, "Group", 2, 2);
 257
 258         _comment_button.set_name (X_("mixer strip button"));
 259         _comment_button.signal_clicked.connect (sigc::mem_fun (*this, &MixerStrip::toggle_comment_editor));
 260
 261         global_vpacker.set_border_width (0);
 262         global_vpacker.set_spacing (0);
 263
 264         width_button.set_name ("mixer strip button");
 265         hide_button.set_name ("mixer strip button");
 266         top_event_box.set_name ("mixer strip button");
 267
 268         width_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::width_button_pressed), false);
 269         hide_button.signal_clicked.connect (sigc::mem_fun(*this, &MixerStrip::hide_clicked));
 270
 271         width_hide_box.pack_start (width_button, false, true);
 272         width_hide_box.pack_start (top_event_box, true, true);
 273         width_hide_box.pack_end (hide_button, false, true);
 274
 275         whvbox.pack_start (width_hide_box, true, true);
 276
 277         global_vpacker.pack_start (whvbox, Gtk::PACK_SHRINK);
 278         global_vpacker.pack_start (button_table, Gtk::PACK_SHRINK);
 279         global_vpacker.pack_start (processor_box, true, true);
 280         global_vpacker.pack_start (panners, Gtk::PACK_SHRINK);
 281         global_vpacker.pack_start (top_button_table, Gtk::PACK_SHRINK, 2);
 282         global_vpacker.pack_start (rec_solo_table, Gtk::PACK_SHRINK, 2);
 283         global_vpacker.pack_start (middle_button_table, Gtk::PACK_SHRINK, 2);
 284         global_vpacker.pack_start (gpm, Gtk::PACK_SHRINK);
 285         global_vpacker.pack_start (bottom_button_table, Gtk::PACK_SHRINK);
 286         global_vpacker.pack_start (output_button, Gtk::PACK_SHRINK);
 287         global_vpacker.pack_start (_comment_button, Gtk::PACK_SHRINK);
 288
 289         global_frame.add (global_vpacker);
 290         global_frame.set_shadow_type (Gtk::SHADOW_IN);
 291         global_frame.set_name ("BaseFrame");
 292
 293         add (global_frame);
 294
 295         /* force setting of visible selected status */
 296
 297         _selected = true;
 298         set_selected (false);
 299
 300         _packed = false;
 301         _embedded = false;
 302
 303         _session->engine().Stopped.connect (*this, invalidator (*this), boost::bind (&MixerStrip::engine_stopped, this), gui_context());
 304         _session->engine().Running.connect (*this, invalidator (*this), boost::bind (&MixerStrip::engine_running, this), gui_context());
 305
 306         input_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::input_press), false);
 307         output_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::output_press), false);
 308
 309         /* ditto for this button and busses */
 310
 311         name_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::name_button_button_press), false);
 312         group_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::select_route_group), false);
 313
 314         _width = (Width) -1;
 315
 316         /* start off as a passthru strip. we'll correct this, if necessary,
 317            in update_diskstream_display().
 318         */
 319
 320         /* start off as a passthru strip. we'll correct this, if necessary,
 321            in update_diskstream_display().
 322         */
 323
 324         if (is_midi_track()) {
 325                 set_name ("MidiTrackStripBase");
 326         } else {
 327                 set_name ("AudioTrackStripBase");
 328         }
 329
 330         add_events (Gdk::BUTTON_RELEASE_MASK|
 331                     Gdk::ENTER_NOTIFY_MASK|
 332                     Gdk::LEAVE_NOTIFY_MASK|
 333                     Gdk::KEY_PRESS_MASK|
 334                     Gdk::KEY_RELEASE_MASK);
 335
 336         set_flags (get_flags() | Gtk::CAN_FOCUS);
 337
 338         AudioEngine::instance()->PortConnectedOrDisconnected.connect (
 339                 *this, invalidator (*this), boost::bind (&MixerStrip::port_connected_or_disconnected, this, _1, _3), gui_context ()
 340                 );
 341
 342         /* Add the widgets under visibility control to the VisibilityGroup; the names used here
 343            must be the same as those used in RCOptionEditor so that the configuration changes
 344            are recognised when they occur.
 345         */
 346         _visibility.add (&_invert_button_box, X_("PhaseInvert"), _("Phase Invert"));
 347         _visibility.add (solo_safe_led, X_("SoloSafe"), _("Solo Safe"), true, boost::bind (&MixerStrip::override_solo_visibility, this));
 348         _visibility.add (solo_isolated_led, X_("SoloIsolated"), _("Solo Isolated"), true, boost::bind (&MixerStrip::override_solo_visibility, this));
 349         _visibility.add (&_comment_button, X_("Comments"), _("Comments"));
 350         _visibility.add (&group_button, X_("Group"), _("Group"));
 351         _visibility.add (&meter_point_button, X_("MeterPoint"), _("Meter Point"));
 352
 353         parameter_changed (X_("mixer-strip-visibility"));
 354
 355         Config->ParameterChanged.connect (_config_connection, MISSING_INVALIDATOR, ui_bind (&MixerStrip::parameter_changed, this, _1), gui_context());
 356
 357         gpm.LevelMeterButtonPress.connect_same_thread (_level_meter_connection, boost::bind (&MixerStrip::level_meter_button_press, this, _1));
 358 }
 359
 360 MixerStrip::~MixerStrip ()
 361 {
 362         CatchDeletion (this);
 363
 364         delete input_selector;
 365         delete output_selector;
 366         delete comment_window;
 367 }
 368
 369 void
 370 MixerStrip::set_route (boost::shared_ptr<Route> rt)
 371 {
 372         if (rec_enable_button->get_parent()) {
 373                 rec_solo_table.remove (*rec_enable_button);
 374         }
 375
 376         if (show_sends_button->get_parent()) {
 377                 rec_solo_table.remove (*show_sends_button);
 378         }
 379
 380         processor_box.set_route (rt);
 381
 382         RouteUI::set_route (rt);
 383
 384         /* map the current state */
 385
 386         mute_changed (0);
 387         update_solo_display ();
 388
 389         delete input_selector;
 390         input_selector = 0;
 391
 392         delete output_selector;
 393         output_selector = 0;
 394
 395         revert_to_default_display ();
 396
 397         if (solo_button->get_parent()) {
 398                 middle_button_table.remove (*solo_button);
 399         }
 400
 401         if (mute_button->get_parent()) {
 402                 middle_button_table.remove (*mute_button);
 403         }
 404
 405         if (route()->is_master()) {
 406                 middle_button_table.attach (*mute_button, 0, 2, 0, 1);
 407                 solo_button->hide ();
 408                 mute_button->show ();
 409                 rec_solo_table.hide ();
 410         } else {
 411                 middle_button_table.attach (*mute_button, 0, 1, 0, 1);
 412                 middle_button_table.attach (*solo_button, 1, 2, 0, 1);
 413                 mute_button->show ();
 414                 solo_button->show ();
 415                 rec_solo_table.show ();
 416         }
 417
 418         if (_mixer_owned && (route()->is_master() || route()->is_monitor())) {
 419
 420                 if (scrollbar_height == 0) {
 421                         HScrollbar scrollbar;
 422                         Gtk::Requisition requisition(scrollbar.size_request ());
 423                         scrollbar_height = requisition.height;
 424                 }
 425
 426                 spacer = manage (new EventBox);
 427                 spacer->set_size_request (-1, scrollbar_height);
 428                 global_vpacker.pack_start (*spacer, false, false);
 429         }
 430
 431         if (is_track()) {
 432                 monitor_input_button->show ();
 433                 monitor_disk_button->show ();
 434         } else {
 435                 monitor_input_button->hide();
 436                 monitor_disk_button->hide ();
 437         }
 438
 439         if (is_midi_track()) {
 440                 if (midi_input_enable_button == 0) {
 441                         midi_input_enable_button = manage (new ArdourButton);
 442                         midi_input_enable_button->set_name ("midi input button");
 443                         midi_input_enable_button->set_image (::get_icon (X_("midi_socket_small")));
 444                         midi_input_enable_button->signal_button_press_event().connect (sigc::mem_fun (*this, &MixerStrip::input_active_button_press), false);
 445                         midi_input_enable_button->signal_button_release_event().connect (sigc::mem_fun (*this, &MixerStrip::input_active_button_release), false);
 446                         ARDOUR_UI::instance()->set_tip (midi_input_enable_button, _("Enable/Disable MIDI input"));
 447                 } else {
 448                         input_button_box.remove (*midi_input_enable_button);
 449                 }
 450                 /* get current state */
 451                 midi_input_status_changed ();
 452                 input_button_box.pack_start (*midi_input_enable_button, false, false);
 453                 /* follow changes */
 454                 midi_track()->InputActiveChanged.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::midi_input_status_changed, this), gui_context());
 455         } else {
 456                 if (midi_input_enable_button) {
 457                         /* removal from the container will delete it */
 458                         input_button_box.remove (*midi_input_enable_button);
 459                         midi_input_enable_button = 0;
 460                 }
 461         }
 462
 463         if (is_audio_track()) {
 464                 boost::shared_ptr<AudioTrack> at = audio_track();
 465                 at->FreezeChange.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::map_frozen, this), gui_context());
 466         }
 467
 468         if (has_audio_outputs ()) {
 469                 panners.show_all ();
 470         } else {
 471                 panners.hide_all ();
 472         }
 473
 474         if (is_track ()) {
 475
 476                 rec_solo_table.attach (*rec_enable_button, 0, 1, 0, 2);
 477                 rec_enable_button->set_sensitive (_session->writable());
 478                 rec_enable_button->show();
 479
 480         } else {
 481
 482                 /* non-master bus */
 483
 484                 if (!_route->is_master()) {
 485                         rec_solo_table.attach (*show_sends_button, 0, 1, 0, 2);
 486                         show_sends_button->show();
 487                 }
 488         }
 489
 490         meter_point_button.set_text (meter_point_string (_route->meter_point()));
 491
 492         delete route_ops_menu;
 493         route_ops_menu = 0;
 494
 495         _route->meter_change.connect (route_connections, invalidator (*this), bind (&MixerStrip::meter_changed, this), gui_context());
 496         _route->route_group_changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::route_group_changed, this), gui_context());
 497
 498         if (_route->panner_shell()) {
 499                 _route->panner_shell()->Changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::connect_to_pan, this), gui_context());
 500         }
 501
 502         if (is_audio_track()) {
 503                 audio_track()->DiskstreamChanged.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::diskstream_changed, this), gui_context());
 504         }
 505
 506         _route->comment_changed.connect (route_connections, invalidator (*this), ui_bind (&MixerStrip::comment_changed, this, _1), gui_context());
 507
 508         set_stuff_from_route ();
 509
 510         /* now force an update of all the various elements */
 511
 512         mute_changed (0);
 513         update_solo_display ();
 514         name_changed ();
 515         comment_changed (0);
 516         route_group_changed ();
 517
 518         connect_to_pan ();
 519         panners.setup_pan ();
 520
 521         update_diskstream_display ();
 522         update_input_display ();
 523         update_output_display ();
 524
 525         add_events (Gdk::BUTTON_RELEASE_MASK);
 526
 527         processor_box.show ();
 528
 529         if (!route()->is_master() && !route()->is_monitor()) {
 530                 /* we don't allow master or control routes to be hidden */
 531                 hide_button.show();
 532         }
 533
 534         gpm.reset_peak_display ();
 535
 536         width_button.show();
 537         width_hide_box.show();
 538         whvbox.show ();
 539         global_frame.show();
 540         global_vpacker.show();
 541         button_table.show();
 542         middle_button_table.show();
 543         bottom_button_table.show();
 544         gpm.show_all ();
 545         meter_point_button.show();
 546         input_button_box.show_all();
 547         output_button.show();
 548         name_button.show();
 549         _comment_button.show();
 550         group_button.show();
 551
 552         parameter_changed ("mixer-strip-visibility");
 553
 554         show ();
 555 }
 556
 557 void
 558 MixerStrip::set_stuff_from_route ()
 559 {
 560         /* if width is not set, it will be set by the MixerUI or editor */
 561
 562         string str = gui_property ("strip-width");
 563         if (!str.empty()) {
 564                 set_width_enum (Width (string_2_enum (str, _width)), this);
 565         }
 566 }
 567
 568 void
 569 MixerStrip::set_width_enum (Width w, void* owner)
 570 {
 571         /* always set the gpm width again, things may be hidden */
 572
 573         gpm.set_width (w);
 574         panners.set_width (w);
 575
 576         boost::shared_ptr<AutomationList> gain_automation = _route->gain_control()->alist();
 577
 578         _width_owner = owner;
 579
 580         _width = w;
 581
 582         if (_width_owner == this) {
 583                 set_gui_property ("strip-width", enum_2_string (_width));
 584         }
 585
 586         set_button_names ();
 587
 588         switch (w) {
 589         case Wide:
 590                 if (show_sends_button)  {
 591                         show_sends_button->set_text (_("Sends"));
 592                 }
 593
 594                 ((Gtk::Label*)gpm.gain_automation_style_button.get_child())->set_text (
 595                                 gpm.astyle_string(gain_automation->automation_style()));
 596                 ((Gtk::Label*)gpm.gain_automation_state_button.get_child())->set_text (
 597                                 gpm.astate_string(gain_automation->automation_state()));
 598
 599                 if (_route->panner()) {
 600                         ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (
 601                                         panners.astyle_string(_route->panner()->automation_style()));
 602                         ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (
 603                                         panners.astate_string(_route->panner()->automation_state()));
 604                 }
 605
 606                 solo_isolated_led->set_text (_("iso"));
 607                 solo_safe_led->set_text (_("lock"));
 608
 609                 Gtkmm2ext::set_size_request_to_display_given_text (name_button, "long", 2, 2);
 610                 set_size_request (-1, -1);
 611                 break;
 612
 613         case Narrow:
 614                 if (show_sends_button) {
 615                         show_sends_button->set_text (_("Snd"));
 616                 }
 617
 618                 ((Gtk::Label*)gpm.gain_automation_style_button.get_child())->set_text (
 619                                 gpm.short_astyle_string(gain_automation->automation_style()));
 620                 ((Gtk::Label*)gpm.gain_automation_state_button.get_child())->set_text (
 621                                 gpm.short_astate_string(gain_automation->automation_state()));
 622
 623                 if (_route->panner()) {
 624                         ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (
 625                         panners.short_astyle_string(_route->panner()->automation_style()));
 626                         ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (
 627                         panners.short_astate_string(_route->panner()->automation_state()));
 628                 }
 629
 630                 solo_isolated_led->set_text (_("i"));
 631                 solo_safe_led->set_text (_("L"));
 632
 633                 Gtkmm2ext::set_size_request_to_display_given_text (name_button, longest_label.c_str(), 2, 2);
 634                 set_size_request (max (50, gpm.get_gm_width()), -1);
 635                 break;
 636         }
 637
 638         processor_box.set_width (w);
 639
 640         update_input_display ();
 641         update_output_display ();
 642         setup_comment_button ();
 643         route_group_changed ();
 644         name_changed ();
 645         WidthChanged ();
 646 }
 647
 648 void
 649 MixerStrip::set_packed (bool yn)
 650 {
 651         _packed = yn;
 652
 653         if (_packed) {
 654                 set_gui_property ("visible", true);
 655         } else {
 656                 set_gui_property ("visible", false);
 657         }
 658 }
 659
 660
 661 struct RouteCompareByName {
 662         bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
 663                 return a->name().compare (b->name()) < 0;
 664         }
 665 };
 666
 667 gint
 668 MixerStrip::output_press (GdkEventButton *ev)
 669 {
 670         using namespace Menu_Helpers;
 671         if (!_session->engine().connected()) {
 672                 MessageDialog msg (_("Not connected to JACK - no I/O changes are possible"));
 673                 msg.run ();
 674                 return true;
 675         }
 676
 677         MenuList& citems = output_menu.items();
 678         switch (ev->button) {
 679
 680         case 1:
 681                 edit_output_configuration ();
 682                 break;
 683
 684         case 3:
 685         {
 686                 output_menu.set_name ("ArdourContextMenu");
 687                 citems.clear ();
 688                 output_menu_bundles.clear ();
 689
 690                 citems.push_back (MenuElem (_("Disconnect"), sigc::mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_output)));
 691
 692                 for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
 693                         citems.push_back (
 694                                 MenuElem (
 695                                         string_compose ("Add %1 port", (*i).to_i18n_string()),
 696                                         sigc::bind (sigc::mem_fun (*this, &MixerStrip::add_output_port), *i)
 697                                         )
 698                                 );
 699                 }
 700
 701                 citems.push_back (SeparatorElem());
 702                 uint32_t const n_with_separator = citems.size ();
 703
 704                 ARDOUR::BundleList current = _route->output()->bundles_connected ();
 705
 706                 boost::shared_ptr<ARDOUR::BundleList> b = _session->bundles ();
 707
 708                 /* give user bundles first chance at being in the menu */
 709
 710                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 711                         if (boost::dynamic_pointer_cast<UserBundle> (*i)) {
 712                                 maybe_add_bundle_to_output_menu (*i, current);
 713                         }
 714                 }
 715
 716                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 717                         if (boost::dynamic_pointer_cast<UserBundle> (*i) == 0) {
 718                                 maybe_add_bundle_to_output_menu (*i, current);
 719                         }
 720                 }
 721
 722                 boost::shared_ptr<ARDOUR::RouteList> routes = _session->get_routes ();
 723                 RouteList copy = *routes;
 724                 copy.sort (RouteCompareByName ());
 725                 for (ARDOUR::RouteList::const_iterator i = copy.begin(); i != copy.end(); ++i) {
 726                         maybe_add_bundle_to_output_menu ((*i)->input()->bundle(), current);
 727                 }
 728
 729                 if (citems.size() == n_with_separator) {
 730                         /* no routes added; remove the separator */
 731                         citems.pop_back ();
 732                 }
 733
 734                 output_menu.popup (1, ev->time);
 735                 break;
 736         }
 737
 738         default:
 739                 break;
 740         }
 741         return TRUE;
 742 }
 743
 744 void
 745 MixerStrip::edit_output_configuration ()
 746 {
 747         if (output_selector == 0) {
 748
 749                 boost::shared_ptr<Send> send;
 750                 boost::shared_ptr<IO> output;
 751
 752                 if ((send = boost::dynamic_pointer_cast<Send>(_current_delivery)) != 0) {
 753                         if (!boost::dynamic_pointer_cast<InternalSend>(send)) {
 754                                 output = send->output();
 755                         } else {
 756                                 output = _route->output ();
 757                         }
 758                 } else {
 759                         output = _route->output ();
 760                 }
 761
 762                 output_selector = new IOSelectorWindow (_session, output);
 763         }
 764
 765         if (output_selector->is_visible()) {
 766                 output_selector->get_toplevel()->get_window()->raise();
 767         } else {
 768                 output_selector->present ();
 769         }
 770 }
 771
 772 void
 773 MixerStrip::edit_input_configuration ()
 774 {
 775         if (input_selector == 0) {
 776                 input_selector = new IOSelectorWindow (_session, _route->input());
 777         }
 778
 779         if (input_selector->is_visible()) {
 780                 input_selector->get_toplevel()->get_window()->raise();
 781         } else {
 782                 input_selector->present ();
 783         }
 784 }
 785
 786 gint
 787 MixerStrip::input_press (GdkEventButton *ev)
 788 {
 789         using namespace Menu_Helpers;
 790
 791         MenuList& citems = input_menu.items();
 792         input_menu.set_name ("ArdourContextMenu");
 793         citems.clear();
 794
 795         if (!_session->engine().connected()) {
 796                 MessageDialog msg (_("Not connected to JACK - no I/O changes are possible"));
 797                 msg.run ();
 798                 return true;
 799         }
 800
 801         if (_session->actively_recording() && _route->record_enabled())
 802                 return true;
 803
 804         switch (ev->button) {
 805
 806         case 1:
 807                 edit_input_configuration ();
 808                 break;
 809
 810         case 3:
 811         {
 812                 citems.push_back (MenuElem (_("Disconnect"), sigc::mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_input)));
 813
 814                 for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
 815                         citems.push_back (
 816                                 MenuElem (
 817                                         string_compose ("Add %1 port", (*i).to_i18n_string()),
 818                                         sigc::bind (sigc::mem_fun (*this, &MixerStrip::add_input_port), *i)
 819                                         )
 820                                 );
 821                 }
 822
 823                 citems.push_back (SeparatorElem());
 824                 uint32_t const n_with_separator = citems.size ();
 825
 826                 input_menu_bundles.clear ();
 827
 828                 ARDOUR::BundleList current = _route->input()->bundles_connected ();
 829
 830                 boost::shared_ptr<ARDOUR::BundleList> b = _session->bundles ();
 831
 832                 /* give user bundles first chance at being in the menu */
 833
 834                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 835                         if (boost::dynamic_pointer_cast<UserBundle> (*i)) {
 836                                 maybe_add_bundle_to_input_menu (*i, current);
 837                         }
 838                 }
 839
 840                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 841                         if (boost::dynamic_pointer_cast<UserBundle> (*i) == 0) {
 842                                 maybe_add_bundle_to_input_menu (*i, current);
 843                         }
 844                 }
 845
 846                 boost::shared_ptr<ARDOUR::RouteList> routes = _session->get_routes ();
 847                 RouteList copy = *routes;
 848                 copy.sort (RouteCompareByName ());
 849                 for (ARDOUR::RouteList::const_iterator i = copy.begin(); i != copy.end(); ++i) {
 850                         maybe_add_bundle_to_input_menu ((*i)->output()->bundle(), current);
 851                 }
 852
 853                 if (citems.size() == n_with_separator) {
 854                         /* no routes added; remove the separator */
 855                         citems.pop_back ();
 856                 }
 857
 858                 input_menu.popup (1, ev->time);
 859                 break;
 860         }
 861         default:
 862                 break;
 863         }
 864         return TRUE;
 865 }
 866
 867 void
 868 MixerStrip::bundle_input_toggled (boost::shared_ptr<ARDOUR::Bundle> c)
 869 {
 870         if (ignore_toggle) {
 871                 return;
 872         }
 873
 874         ARDOUR::BundleList current = _route->input()->bundles_connected ();
 875
 876         if (std::find (current.begin(), current.end(), c) == current.end()) {
 877                 _route->input()->connect_ports_to_bundle (c, this);
 878         } else {
 879                 _route->input()->disconnect_ports_from_bundle (c, this);
 880         }
 881 }
 882
 883 void
 884 MixerStrip::bundle_output_toggled (boost::shared_ptr<ARDOUR::Bundle> c)
 885 {
 886         if (ignore_toggle) {
 887                 return;
 888         }
 889
 890         ARDOUR::BundleList current = _route->output()->bundles_connected ();
 891
 892         if (std::find (current.begin(), current.end(), c) == current.end()) {
 893                 _route->output()->connect_ports_to_bundle (c, this);
 894         } else {
 895                 _route->output()->disconnect_ports_from_bundle (c, this);
 896         }
 897 }
 898
 899 void
 900 MixerStrip::maybe_add_bundle_to_input_menu (boost::shared_ptr<Bundle> b, ARDOUR::BundleList const & current)
 901 {
 902         using namespace Menu_Helpers;
 903
 904         if (b->ports_are_outputs() == false || b->nchannels() != _route->n_inputs() || *b == *_route->output()->bundle()) {
 905                 return;
 906         }
 907
 908         list<boost::shared_ptr<Bundle> >::iterator i = input_menu_bundles.begin ();
 909         while (i != input_menu_bundles.end() && b->has_same_ports (*i) == false) {
 910                 ++i;
 911         }
 912
 913         if (i != input_menu_bundles.end()) {
 914                 return;
 915         }
 916
 917         input_menu_bundles.push_back (b);
 918
 919         MenuList& citems = input_menu.items();
 920
 921         std::string n = b->name ();
 922         replace_all (n, "_", " ");
 923
 924         citems.push_back (CheckMenuElem (n, sigc::bind (sigc::mem_fun(*this, &MixerStrip::bundle_input_toggled), b)));
 925
 926         if (std::find (current.begin(), current.end(), b) != current.end()) {
 927                 ignore_toggle = true;
 928                 dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
 929                 ignore_toggle = false;
 930         }
 931 }
 932
 933 void
 934 MixerStrip::maybe_add_bundle_to_output_menu (boost::shared_ptr<Bundle> b, ARDOUR::BundleList const & current)
 935 {
 936         using namespace Menu_Helpers;
 937
 938         if (b->ports_are_inputs() == false || b->nchannels() != _route->n_outputs() || *b == *_route->input()->bundle()) {
 939                 return;
 940         }
 941
 942         list<boost::shared_ptr<Bundle> >::iterator i = output_menu_bundles.begin ();
 943         while (i != output_menu_bundles.end() && b->has_same_ports (*i) == false) {
 944                 ++i;
 945         }
 946
 947         if (i != output_menu_bundles.end()) {
 948                 return;
 949         }
 950
 951         output_menu_bundles.push_back (b);
 952
 953         MenuList& citems = output_menu.items();
 954
 955         std::string n = b->name ();
 956         replace_all (n, "_", " ");
 957
 958         citems.push_back (CheckMenuElem (n, sigc::bind (sigc::mem_fun(*this, &MixerStrip::bundle_output_toggled), b)));
 959
 960         if (std::find (current.begin(), current.end(), b) != current.end()) {
 961                 ignore_toggle = true;
 962                 dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
 963                 ignore_toggle = false;
 964         }
 965 }
 966
 967 void
 968 MixerStrip::update_diskstream_display ()
 969 {
 970         if (is_track()) {
 971
 972                 if (input_selector) {
 973                         input_selector->hide_all ();
 974                 }
 975
 976                 route_color_changed ();
 977
 978         } else {
 979
 980                 show_passthru_color ();
 981         }
 982 }
 983
 984 void
 985 MixerStrip::connect_to_pan ()
 986 {
 987         ENSURE_GUI_THREAD (*this, &MixerStrip::connect_to_pan)
 988
 989         panstate_connection.disconnect ();
 990         panstyle_connection.disconnect ();
 991
 992         if (!_route->panner()) {
 993                 return;
 994         }
 995
 996         boost::shared_ptr<Pannable> p = _route->pannable ();
 997
 998         p->automation_state_changed.connect (panstate_connection, invalidator (*this), boost::bind (&PannerUI::pan_automation_state_changed, &panners), gui_context());
 999         p->automation_style_changed.connect (panstyle_connection, invalidator (*this), boost::bind (&PannerUI::pan_automation_style_changed, &panners), gui_context());
1000
1001         panners.panshell_changed ();
1002 }
1003
1004
1005 /*
1006  * Output port labelling
1007  * =====================
1008  *
1009  * Case 1: Each output has one connection, all connections are to system:playback_%i
1010  *   out 1 -> system:playback_1
1011  *   out 2 -> system:playback_2
1012  *   out 3 -> system:playback_3
1013  *   Display as: 1/2/3
1014  *
1015  * Case 2: Each output has one connection, all connections are to ardour:track_x/in 1
1016  *   out 1 -> ardour:track_x/in 1
1017  *   out 2 -> ardour:track_x/in 2
1018  *   Display as: track_x
1019  *
1020  * Case 3: Each output has one connection, all connections are to Jack client "program x"
1021  *   out 1 -> program x:foo
1022  *   out 2 -> program x:foo
1023  *   Display as: program x
1024  *
1025  * Case 4: No connections (Disconnected)
1026  *   Display as: -
1027  *
1028  * Default case (unusual routing):
1029  *   Display as: *number of connections*
1030  *
1031  * Tooltips
1032  * ========
1033  * .-----------------------------------------------.
1034  * | Mixdown                                       |
1035  * | out 1 -> ardour:master/in 1, jamin:input/in 1 |
1036  * | out 2 -> ardour:master/in 2, jamin:input/in 2 |
1037  * '-----------------------------------------------'
1038  * .-----------------------------------------------.
1039  * | Guitar SM58                                   |
1040  * | Disconnected                                  |
1041  * '-----------------------------------------------'
1042  */
1043
1044 void
1045 MixerStrip::update_io_button (boost::shared_ptr<ARDOUR::Route> route, Width width, bool for_input)
1046 {
1047         uint32_t io_count;
1048         uint32_t io_index;
1049         boost::shared_ptr<Port> port;
1050         vector<string> port_connections;
1051
1052         uint32_t total_connection_count = 0;
1053         uint32_t io_connection_count = 0;
1054         uint32_t ardour_connection_count = 0;
1055         uint32_t system_connection_count = 0;
1056         uint32_t other_connection_count = 0;
1057
1058         ostringstream label;
1059         string label_string;
1060
1061         bool have_label = false;
1062         bool each_io_has_one_connection = true;
1063
1064         string connection_name;
1065         string ardour_track_name;
1066         string other_connection_type;
1067         string system_ports;
1068         string system_port;
1069
1070         ostringstream tooltip;
1071         char * tooltip_cstr;
1072
1073         tooltip << route->name();
1074
1075         if (for_input) {
1076                 io_count = route->n_inputs().n_total();
1077         } else {
1078                 io_count = route->n_outputs().n_total();
1079         }
1080
1081         for (io_index = 0; io_index < io_count; ++io_index) {
1082                 if (for_input) {
1083                         port = route->input()->nth (io_index);
1084                 } else {
1085                         port = route->output()->nth (io_index);
1086                 }
1087
1088                 port_connections.clear ();
1089                 port->get_connections(port_connections);
1090                 io_connection_count = 0;
1091
1092                 if (!port_connections.empty()) {
1093                         for (vector<string>::iterator i = port_connections.begin(); i != port_connections.end(); ++i) {
1094                                 string& connection_name (*i);
1095
1096                                 if (io_connection_count == 0) {
1097                                         tooltip << endl << port->name().substr(port->name().find("/") + 1) << " -> " << connection_name;
1098                                 } else {
1099                                         tooltip << ", " << connection_name;
1100                                 }
1101
1102                                 if (connection_name.find("ardour:") == 0) {
1103                                         if (ardour_track_name.empty()) {
1104                                                 // "ardour:Master/in 1" -> "ardour:Master/"
1105                                                 string::size_type slash = connection_name.find("/");
1106                                                 if (slash != string::npos) {
1107                                                         ardour_track_name = connection_name.substr(0, slash + 1);
1108                                                 }
1109                                         }
1110
1111                                         if (connection_name.find(ardour_track_name) == 0) {
1112                                                 ++ardour_connection_count;
1113                                         }
1114                                 } else if (connection_name.find("system:") == 0) {
1115                                         if (for_input) {
1116                                                 // "system:capture_123" -> "123"
1117                                                 system_port = connection_name.substr(15);
1118                                         } else {
1119                                                 // "system:playback_123" -> "123"
1120                                                 system_port = connection_name.substr(16);
1121                                         }
1122
1123                                         if (system_ports.empty()) {
1124                                                 system_ports += system_port;
1125                                         } else {
1126                                                 system_ports += "/" + system_port;
1127                                         }
1128
1129                                         ++system_connection_count;
1130                                 } else {
1131                                         if (other_connection_type.empty()) {
1132                                                 // "jamin:in 1" -> "jamin:"
1133                                                 other_connection_type = connection_name.substr(0, connection_name.find(":") + 1);
1134                                         }
1135
1136                                         if (connection_name.find(other_connection_type) == 0) {
1137                                                 ++other_connection_count;
1138                                         }
1139                                 }
1140
1141                                 ++total_connection_count;
1142                                 ++io_connection_count;
1143                         }
1144                 }
1145
1146                 if (io_connection_count != 1) {
1147                         each_io_has_one_connection = false;
1148                 }
1149         }
1150
1151         if (total_connection_count == 0) {
1152                 tooltip << endl << _("Disconnected");
1153         }
1154
1155         tooltip_cstr = new char[tooltip.str().size() + 1];
1156         strcpy(tooltip_cstr, tooltip.str().c_str());
1157
1158         if (for_input) {
1159                 ARDOUR_UI::instance()->set_tip (&input_button, tooltip_cstr, "");
1160         } else {
1161                 ARDOUR_UI::instance()->set_tip (&output_button, tooltip_cstr, "");
1162         }
1163
1164         if (each_io_has_one_connection) {
1165                 if ((total_connection_count == ardour_connection_count)) {
1166                         // all connections are to the same track in ardour
1167                         // "ardour:Master/" -> "Master"
1168                         string::size_type slash = ardour_track_name.find("/");
1169                         if (slash != string::npos) {
1170                                 label << ardour_track_name.substr(7, slash - 7);
1171                                 have_label = true;
1172                         }
1173                 }
1174                 else if (total_connection_count == system_connection_count) {
1175                         // all connections are to system ports
1176                         label << system_ports;
1177                         have_label = true;
1178                 }
1179                 else if (total_connection_count == other_connection_count) {
1180                         // all connections are to the same external program eg jamin
1181                         // "jamin:" -> "jamin"
1182                         label << other_connection_type.substr(0, other_connection_type.size() - 1);
1183                         have_label = true;
1184                 }
1185         }
1186
1187         if (!have_label) {
1188                 if (total_connection_count == 0) {
1189                         // Disconnected
1190                         label << "-";
1191                 } else {
1192                         // Odd configuration
1193                         label << "*" << total_connection_count << "*";
1194                 }
1195         }
1196
1197         switch (width) {
1198         case Wide:
1199                 label_string = label.str().substr(0, 6);
1200                 break;
1201         case Narrow:
1202                 label_string = label.str().substr(0, 3);
1203                 break;
1204         }
1205
1206         if (for_input) {
1207                 input_button.set_text (label_string);
1208         } else {
1209                 output_button.set_text (label_string);
1210         }
1211 }
1212
1213 void
1214 MixerStrip::update_input_display ()
1215 {
1216         update_io_button (_route, _width, true);
1217         panners.setup_pan ();
1218 }
1219
1220 void
1221 MixerStrip::update_output_display ()
1222 {
1223         update_io_button (_route, _width, false);
1224         gpm.setup_meters ();
1225         panners.setup_pan ();
1226 }
1227
1228 void
1229 MixerStrip::fast_update ()
1230 {
1231         gpm.update_meters ();
1232 }
1233
1234 void
1235 MixerStrip::diskstream_changed ()
1236 {
1237         Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&MixerStrip::update_diskstream_display, this));
1238 }
1239
1240 void
1241 MixerStrip::port_connected_or_disconnected (boost::weak_ptr<Port> wa, boost::weak_ptr<Port> wb)
1242 {
1243         boost::shared_ptr<Port> a = wa.lock ();
1244         boost::shared_ptr<Port> b = wb.lock ();
1245
1246         if ((a && _route->input()->has_port (a)) || (b && _route->input()->has_port (b))) {
1247                 update_input_display ();
1248                 set_width_enum (_width, this);
1249         }
1250
1251         if ((a && _route->output()->has_port (a)) || (b && _route->output()->has_port (b))) {
1252                 update_output_display ();
1253                 set_width_enum (_width, this);
1254         }
1255 }
1256
1257 void
1258 MixerStrip::setup_comment_button ()
1259 {
1260         switch (_width) {
1261
1262         case Wide:
1263                 if (_route->comment().empty ()) {
1264                         _comment_button.unset_bg (STATE_NORMAL);
1265                         _comment_button.set_text (_("Comments"));
1266                 } else {
1267                         _comment_button.modify_bg (STATE_NORMAL, color ());
1268                         _comment_button.set_text (_("*Comments*"));
1269                 }
1270                 break;
1271
1272         case Narrow:
1273                 if (_route->comment().empty ()) {
1274                         _comment_button.unset_bg (STATE_NORMAL);
1275                         _comment_button.set_text (_("Cmt"));
1276                 } else {
1277                         _comment_button.modify_bg (STATE_NORMAL, color ());
1278                         _comment_button.set_text (_("*Cmt*"));
1279                 }
1280                 break;
1281         }
1282
1283         ARDOUR_UI::instance()->set_tip (
1284                 _comment_button, _route->comment().empty() ? _("Click to Add/Edit Comments") : _route->comment()
1285                 );
1286 }
1287
1288 void
1289 MixerStrip::comment_editor_done_editing ()
1290 {
1291         string const str = comment_area->get_buffer()->get_text();
1292         if (str == _route->comment ()) {
1293                 return;
1294         }
1295
1296         _route->set_comment (str, this);
1297         setup_comment_button ();
1298 }
1299
1300 void
1301 MixerStrip::toggle_comment_editor ()
1302 {
1303         if (ignore_toggle) {
1304                 return;
1305         }
1306
1307         if (comment_window && comment_window->is_visible ()) {
1308                 comment_window->hide ();
1309         } else {
1310                 open_comment_editor ();
1311         }
1312 }
1313
1314 void
1315 MixerStrip::open_comment_editor ()
1316 {
1317         if (comment_window == 0) {
1318                 setup_comment_editor ();
1319         }
1320
1321         string title;
1322         title = _route->name();
1323         title += _(": comment editor");
1324
1325         comment_window->set_title (title);
1326         comment_window->present();
1327 }
1328
1329 void
1330 MixerStrip::setup_comment_editor ()
1331 {
1332         comment_window = new ArdourWindow (""); // title will be reset to show route
1333         comment_window->set_position (Gtk::WIN_POS_MOUSE);
1334         comment_window->set_skip_taskbar_hint (true);
1335         comment_window->signal_hide().connect (sigc::mem_fun(*this, &MixerStrip::comment_editor_done_editing));
1336         comment_window->set_default_size (400, 200);
1337
1338         comment_area = manage (new TextView());
1339         comment_area->set_name ("MixerTrackCommentArea");
1340         comment_area->set_wrap_mode (WRAP_WORD);
1341         comment_area->set_editable (true);
1342         comment_area->get_buffer()->set_text (_route->comment());
1343         comment_area->show ();
1344
1345         comment_window->add (*comment_area);
1346 }
1347
1348 void
1349 MixerStrip::comment_changed (void *src)
1350 {
1351         ENSURE_GUI_THREAD (*this, &MixerStrip::comment_changed, src)
1352
1353         if (src != this) {
1354                 ignore_comment_edit = true;
1355                 if (comment_area) {
1356                         comment_area->get_buffer()->set_text (_route->comment());
1357                 }
1358                 ignore_comment_edit = false;
1359         }
1360 }
1361
1362 bool
1363 MixerStrip::select_route_group (GdkEventButton *ev)
1364 {
1365         using namespace Menu_Helpers;
1366
1367         if (ev->button == 1) {
1368
1369                 if (group_menu == 0) {
1370
1371                         PropertyList* plist = new PropertyList();
1372
1373                         plist->add (Properties::gain, true);
1374                         plist->add (Properties::mute, true);
1375                         plist->add (Properties::solo, true);
1376
1377                         group_menu = new RouteGroupMenu (_session, plist);
1378                 }
1379
1380                 WeakRouteList r;
1381                 r.push_back (route ());
1382                 group_menu->build (r);
1383                 group_menu->menu()->popup (1, ev->time);
1384         }
1385
1386         return true;
1387 }
1388
1389 void
1390 MixerStrip::route_group_changed ()
1391 {
1392         ENSURE_GUI_THREAD (*this, &MixerStrip::route_group_changed)
1393
1394         RouteGroup *rg = _route->route_group();
1395
1396         if (rg) {
1397                 group_button.set_text (PBD::short_version (rg->name(), 5));
1398         } else {
1399                 switch (_width) {
1400                 case Wide:
1401                         group_button.set_text (_("Grp"));
1402                         break;
1403                 case Narrow:
1404                         group_button.set_text (_("~G"));
1405                         break;
1406                 }
1407         }
1408 }
1409
1410 void
1411 MixerStrip::route_color_changed ()
1412 {
1413         name_button.modify_bg (STATE_NORMAL, color());
1414         top_event_box.modify_bg (STATE_NORMAL, color());
1415         reset_strip_style ();
1416 }
1417
1418 void
1419 MixerStrip::show_passthru_color ()
1420 {
1421         reset_strip_style ();
1422 }
1423
1424 void
1425 MixerStrip::build_route_ops_menu ()
1426 {
1427         using namespace Menu_Helpers;
1428         route_ops_menu = new Menu;
1429         route_ops_menu->set_name ("ArdourContextMenu");
1430
1431         MenuList& items = route_ops_menu->items();
1432
1433         items.push_back (MenuElem (_("Comments..."), sigc::mem_fun (*this, &MixerStrip::open_comment_editor)));
1434         items.push_back (MenuElem (_("Save As Template..."), sigc::mem_fun(*this, &RouteUI::save_as_template)));
1435         items.push_back (MenuElem (_("Rename..."), sigc::mem_fun(*this, &RouteUI::route_rename)));
1436         rename_menu_item = &items.back();
1437
1438         items.push_back (SeparatorElem());
1439         items.push_back (CheckMenuElem (_("Active")));
1440         CheckMenuItem* i = dynamic_cast<CheckMenuItem *> (&items.back());
1441         i->set_active (_route->active());
1442         i->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &RouteUI::set_route_active), !_route->active(), false));
1443
1444         items.push_back (SeparatorElem());
1445
1446         items.push_back (MenuElem (_("Adjust Latency..."), sigc::mem_fun (*this, &RouteUI::adjust_latency)));
1447
1448         items.push_back (SeparatorElem());
1449         items.push_back (CheckMenuElem (_("Protect Against Denormals"), sigc::mem_fun (*this, &RouteUI::toggle_denormal_protection)));
1450         denormal_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
1451         denormal_menu_item->set_active (_route->denormal_protection());
1452
1453         if (!Profile->get_sae()) {
1454                 items.push_back (SeparatorElem());
1455                 items.push_back (MenuElem (_("Remote Control ID..."), sigc::mem_fun (*this, &RouteUI::open_remote_control_id_dialog)));
1456         }
1457
1458         items.push_back (SeparatorElem());
1459         items.push_back (MenuElem (_("Remove"), sigc::bind (sigc::mem_fun(*this, &RouteUI::remove_this_route), false)));
1460 }
1461
1462 gboolean
1463 MixerStrip::name_button_button_press (GdkEventButton* ev)
1464 {
1465         if (ev->button == 3) {
1466                 list_route_operations ();
1467
1468                 /* do not allow rename if the track is record-enabled */
1469                 rename_menu_item->set_sensitive (!_route->record_enabled());
1470                 route_ops_menu->popup (1, ev->time);
1471
1472         } else if (ev->button == 1) {
1473                 revert_to_default_display ();
1474         }
1475
1476         return false;
1477 }
1478
1479 void
1480 MixerStrip::list_route_operations ()
1481 {
1482         delete route_ops_menu;
1483         build_route_ops_menu ();
1484 }
1485
1486 void
1487 MixerStrip::set_selected (bool yn)
1488 {
1489         AxisView::set_selected (yn);
1490         if (_selected) {
1491                 global_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
1492                 global_frame.set_name ("MixerStripSelectedFrame");
1493         } else {
1494                 global_frame.set_shadow_type (Gtk::SHADOW_IN);
1495                 global_frame.set_name ("MixerStripFrame");
1496         }
1497         global_frame.queue_draw ();
1498 }
1499
1500 void
1501 MixerStrip::name_changed ()
1502 {
1503         switch (_width) {
1504         case Wide:
1505                 name_button.set_text (_route->name());
1506                 break;
1507         case Narrow:
1508                 name_button.set_text (PBD::short_version (_route->name(), 5));
1509                 break;
1510         }
1511 }
1512
1513 bool
1514 MixerStrip::width_button_pressed (GdkEventButton* ev)
1515 {
1516         if (ev->button != 1) {
1517                 return false;
1518         }
1519
1520         if (Keyboard::modifier_state_contains (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier | Keyboard::TertiaryModifier)) && _mixer_owned) {
1521                 switch (_width) {
1522                 case Wide:
1523                         _mixer.set_strip_width (Narrow);
1524                         break;
1525
1526                 case Narrow:
1527                         _mixer.set_strip_width (Wide);
1528                         break;
1529                 }
1530         } else {
1531                 switch (_width) {
1532                 case Wide:
1533                         set_width_enum (Narrow, this);
1534                         break;
1535                 case Narrow:
1536                         set_width_enum (Wide, this);
1537                         break;
1538                 }
1539         }
1540
1541         return true;
1542 }
1543
1544 void
1545 MixerStrip::hide_clicked ()
1546 {
1547         // LAME fix to reset the button status for when it is redisplayed (part 1)
1548         hide_button.set_sensitive(false);
1549
1550         if (_embedded) {
1551                 Hiding(); /* EMIT_SIGNAL */
1552         } else {
1553                 _mixer.hide_strip (this);
1554         }
1555
1556         // (part 2)
1557         hide_button.set_sensitive(true);
1558 }
1559
1560 void
1561 MixerStrip::set_embedded (bool yn)
1562 {
1563         _embedded = yn;
1564 }
1565
1566 void
1567 MixerStrip::map_frozen ()
1568 {
1569         ENSURE_GUI_THREAD (*this, &MixerStrip::map_frozen)
1570
1571         boost::shared_ptr<AudioTrack> at = audio_track();
1572
1573         if (at) {
1574                 switch (at->freeze_state()) {
1575                 case AudioTrack::Frozen:
1576                         processor_box.set_sensitive (false);
1577                         hide_redirect_editors ();
1578                         break;
1579                 default:
1580                         processor_box.set_sensitive (true);
1581                         // XXX need some way, maybe, to retoggle redirect editors
1582                         break;
1583                 }
1584         }
1585 }
1586
1587 void
1588 MixerStrip::hide_redirect_editors ()
1589 {
1590         _route->foreach_processor (sigc::mem_fun (*this, &MixerStrip::hide_processor_editor));
1591 }
1592
1593 void
1594 MixerStrip::hide_processor_editor (boost::weak_ptr<Processor> p)
1595 {
1596         boost::shared_ptr<Processor> processor (p.lock ());
1597         if (!processor) {
1598                 return;
1599         }
1600
1601         Gtk::Window* w = processor_box.get_processor_ui (processor);
1602
1603         if (w) {
1604                 w->hide ();
1605         }
1606 }
1607
1608 void
1609 MixerStrip::reset_strip_style ()
1610 {
1611         if (_current_delivery && boost::dynamic_pointer_cast<Send>(_current_delivery)) {
1612
1613                 gpm.set_fader_name ("SendStripBase");
1614
1615         } else {
1616
1617                 if (is_midi_track()) {
1618                         if (_route->active()) {
1619                                 set_name ("MidiTrackStripBase");
1620                                 gpm.set_meter_strip_name ("MidiTrackMetrics");
1621                         } else {
1622                                 set_name ("MidiTrackStripBaseInactive");
1623                                 gpm.set_meter_strip_name ("MidiTrackMetricsInactive");
1624                         }
1625                         gpm.set_fader_name ("MidiTrackFader");
1626                 } else if (is_audio_track()) {
1627                         if (_route->active()) {
1628                                 set_name ("AudioTrackStripBase");
1629                                 gpm.set_meter_strip_name ("AudioTrackMetrics");
1630                         } else {
1631                                 set_name ("AudioTrackStripBaseInactive");
1632                                 gpm.set_meter_strip_name ("AudioTrackMetricsInactive");
1633                         }
1634                         gpm.set_fader_name ("AudioTrackFader");
1635                 } else {
1636                         if (_route->active()) {
1637                                 set_name ("AudioBusStripBase");
1638                                 gpm.set_meter_strip_name ("AudioBusMetrics");
1639                         } else {
1640                                 set_name ("AudioBusStripBaseInactive");
1641                                 gpm.set_meter_strip_name ("AudioBusMetricsInactive");
1642                         }
1643                         gpm.set_fader_name ("AudioBusFader");
1644
1645                         /* (no MIDI busses yet) */
1646                 }
1647         }
1648 }
1649
1650
1651 void
1652 MixerStrip::engine_stopped ()
1653 {
1654 }
1655
1656 void
1657 MixerStrip::engine_running ()
1658 {
1659 }
1660
1661 string
1662 MixerStrip::meter_point_string (MeterPoint mp)
1663 {
1664         switch (mp) {
1665         case MeterInput:
1666                 return _("in");
1667                 break;
1668
1669         case MeterPreFader:
1670                 return _("pre");
1671                 break;
1672
1673         case MeterPostFader:
1674                 return _("post");
1675                 break;
1676
1677         case MeterOutput:
1678                 return _("out");
1679                 break;
1680
1681         case MeterCustom:
1682         default:
1683                 return _("custom");
1684                 break;
1685         }
1686 }
1687
1688 /** Called when the metering point has changed */
1689 void
1690 MixerStrip::meter_changed ()
1691 {
1692         meter_point_button.set_text (meter_point_string (_route->meter_point()));
1693         gpm.setup_meters ();
1694         // reset peak when meter point changes
1695         gpm.reset_peak_display();
1696 }
1697
1698 /** The bus that we are displaying sends to has changed, or been turned off.
1699  *  @param send_to New bus that we are displaying sends to, or 0.
1700  */
1701 void
1702 MixerStrip::bus_send_display_changed (boost::shared_ptr<Route> send_to)
1703 {
1704         RouteUI::bus_send_display_changed (send_to);
1705
1706         if (send_to) {
1707                 boost::shared_ptr<Send> send = _route->internal_send_for (send_to);
1708                 if (send) {
1709                         show_send (send);
1710                 } else {
1711                         revert_to_default_display ();
1712                 }
1713         } else {
1714                 revert_to_default_display ();
1715         }
1716 }
1717
1718 void
1719 MixerStrip::drop_send ()
1720 {
1721         boost::shared_ptr<Send> current_send;
1722
1723         if (_current_delivery && (current_send = boost::dynamic_pointer_cast<Send>(_current_delivery))) {
1724                 current_send->set_metering (false);
1725         }
1726
1727         send_gone_connection.disconnect ();
1728         input_button.set_sensitive (true);
1729         output_button.set_sensitive (true);
1730         group_button.set_sensitive (true);
1731         set_invert_sensitive (true);
1732         meter_point_button.set_sensitive (true);
1733         mute_button->set_sensitive (true);
1734         solo_button->set_sensitive (true);
1735         rec_enable_button->set_sensitive (true);
1736         solo_isolated_led->set_sensitive (true);
1737         solo_safe_led->set_sensitive (true);
1738         monitor_input_button->set_sensitive (true);
1739         monitor_disk_button->set_sensitive (true);
1740         _comment_button.set_sensitive (true);
1741 }
1742
1743 void
1744 MixerStrip::set_current_delivery (boost::shared_ptr<Delivery> d)
1745 {
1746         _current_delivery = d;
1747         DeliveryChanged (_current_delivery);
1748 }
1749
1750 void
1751 MixerStrip::show_send (boost::shared_ptr<Send> send)
1752 {
1753         assert (send != 0);
1754
1755         drop_send ();
1756
1757         set_current_delivery (send);
1758
1759         send->set_metering (true);
1760         _current_delivery->DropReferences.connect (send_gone_connection, invalidator (*this), boost::bind (&MixerStrip::revert_to_default_display, this), gui_context());
1761
1762         gain_meter().set_controls (_route, send->meter(), send->amp());
1763         gain_meter().setup_meters ();
1764
1765         panner_ui().set_panner (_current_delivery->panner_shell(), _current_delivery->panner());
1766         panner_ui().setup_pan ();
1767
1768         input_button.set_sensitive (false);
1769         group_button.set_sensitive (false);
1770         set_invert_sensitive (false);
1771         meter_point_button.set_sensitive (false);
1772         mute_button->set_sensitive (false);
1773         solo_button->set_sensitive (false);
1774         rec_enable_button->set_sensitive (false);
1775         solo_isolated_led->set_sensitive (false);
1776         solo_safe_led->set_sensitive (false);
1777         monitor_input_button->set_sensitive (false);
1778         monitor_disk_button->set_sensitive (false);
1779         _comment_button.set_sensitive (false);
1780
1781         if (boost::dynamic_pointer_cast<InternalSend>(send)) {
1782                 output_button.set_sensitive (false);
1783         }
1784
1785         reset_strip_style ();
1786 }
1787
1788 void
1789 MixerStrip::revert_to_default_display ()
1790 {
1791         drop_send ();
1792
1793         set_current_delivery (_route->main_outs ());
1794
1795         gain_meter().set_controls (_route, _route->shared_peak_meter(), _route->amp());
1796         gain_meter().setup_meters ();
1797
1798         panner_ui().set_panner (_route->main_outs()->panner_shell(), _route->main_outs()->panner());
1799         panner_ui().setup_pan ();
1800
1801         reset_strip_style ();
1802 }
1803
1804 void
1805 MixerStrip::set_button_names ()
1806 {
1807         switch (_width) {
1808         case Wide:
1809                 rec_enable_button->set_text (_("Rec"));
1810                 mute_button->set_text (_("Mute"));
1811                 monitor_input_button->set_text (_("In"));
1812                 monitor_disk_button->set_text (_("Disk"));
1813
1814                 if (_route && _route->solo_safe()) {
1815                         if (solo_safe_pixbuf == 0) {
1816                                 solo_safe_pixbuf = ::get_icon("solo-safe-icon");
1817                         }
1818                         solo_button->set_image (solo_safe_pixbuf);
1819                         solo_button->set_text (string());
1820                 } else {
1821                         solo_button->set_image (Glib::RefPtr<Gdk::Pixbuf>());
1822                         if (!Config->get_solo_control_is_listen_control()) {
1823                                 solo_button->set_text (_("Solo"));
1824                         } else {
1825                                 switch (Config->get_listen_position()) {
1826                                 case AfterFaderListen:
1827                                         solo_button->set_text (_("AFL"));
1828                                         break;
1829                                 case PreFaderListen:
1830                                         solo_button->set_text (_("PFL"));
1831                                         break;
1832                                 }
1833                         }
1834                 }
1835                 break;
1836
1837         default:
1838                 rec_enable_button->set_text (_("R"));
1839                 mute_button->set_text (_("M"));
1840                 monitor_input_button->set_text (_("I"));
1841                 monitor_disk_button->set_text (_("D"));
1842                 if (_route && _route->solo_safe()) {
1843                         solo_button->remove ();
1844                         if (solo_safe_pixbuf == 0) {
1845                                 solo_safe_pixbuf =::get_icon("solo-safe-icon");
1846                         }
1847                         solo_button->set_image (solo_safe_pixbuf);
1848                         solo_button->set_text (string());
1849                 } else {
1850                         solo_button->set_image (Glib::RefPtr<Gdk::Pixbuf>());
1851                         if (!Config->get_solo_control_is_listen_control()) {
1852                                 solo_button->set_text (_("S"));
1853                         } else {
1854                                 switch (Config->get_listen_position()) {
1855                                 case AfterFaderListen:
1856                                         solo_button->set_text (_("A"));
1857                                         break;
1858                                 case PreFaderListen:
1859                                         solo_button->set_text (_("P"));
1860                                         break;
1861                                 }
1862                         }
1863                 }
1864                 break;
1865
1866         }
1867 }
1868
1869
1870 PluginSelector*
1871 MixerStrip::plugin_selector()
1872 {
1873         return _mixer.plugin_selector();
1874 }
1875
1876 void
1877 MixerStrip::hide_things ()
1878 {
1879         processor_box.hide_things ();
1880 }
1881
1882 bool
1883 MixerStrip::input_active_button_press (GdkEventButton*)
1884 {
1885         /* nothing happens on press */
1886         return true;
1887 }
1888
1889 bool
1890 MixerStrip::input_active_button_release (GdkEventButton* ev)
1891 {
1892         boost::shared_ptr<MidiTrack> mt = midi_track ();
1893
1894         if (!mt) {
1895                 return true;
1896         }
1897
1898         if (mt->input_active()) {
1899                 if (Keyboard::modifier_state_contains (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::SecondaryModifier))) {
1900                         /* turn all other tracks using this input off */
1901                         _session->set_exclusive_input_active (mt, false);
1902                 } else {
1903                         mt->set_input_active (false);
1904                 }
1905
1906         } else {
1907                 if (Keyboard::modifier_state_contains (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::SecondaryModifier))) {
1908                         /* turn all other tracks using this input on */
1909                         _session->set_exclusive_input_active (mt, true);
1910                 } else {
1911                         mt->set_input_active (true);
1912                 }
1913         }
1914
1915         return true;
1916 }
1917
1918 void
1919 MixerStrip::midi_input_status_changed ()
1920 {
1921         if (midi_input_enable_button) {
1922                 boost::shared_ptr<MidiTrack> mt = midi_track ();
1923                 assert (mt);
1924                 midi_input_enable_button->set_active (mt->input_active ());
1925         }
1926 }
1927
1928 string
1929 MixerStrip::state_id () const
1930 {
1931         return string_compose ("strip %1", _route->id().to_s());
1932 }
1933
1934 void
1935 MixerStrip::parameter_changed (string p)
1936 {
1937         if (p == _visibility.get_state_name()) {
1938                 /* The user has made changes to the mixer strip visibility, so get
1939                    our VisibilityGroup to reflect these changes in our widgets.
1940                 */
1941                 _visibility.set_state (Config->get_mixer_strip_visibility ());
1942         }
1943 }
1944
1945 /** Called to decide whether the solo isolate / solo lock button visibility should
1946  *  be overridden from that configured by the user.  We do this for the master bus.
1947  *
1948  *  @return optional value that is present if visibility state should be overridden.
1949  */
1950 boost::optional<bool>
1951 MixerStrip::override_solo_visibility () const
1952 {
1953         if (_route && _route->is_master ()) {
1954                 return boost::optional<bool> (false);
1955         }
1956
1957         return boost::optional<bool> ();
1958 }
1959
1960 void
1961 MixerStrip::add_input_port (DataType t)
1962 {
1963         _route->input()->add_port ("", this, t);
1964 }
1965
1966 void
1967 MixerStrip::add_output_port (DataType t)
1968 {
1969         _route->output()->add_port ("", this, t);
1970 }
1971
1972 void
1973 MixerStrip::route_active_changed ()
1974 {
1975         reset_strip_style ();
1976 }
1977
1978 void
1979 MixerStrip::copy_processors ()
1980 {
1981         processor_box.processor_operation (ProcessorBox::ProcessorsCopy);
1982 }
1983
1984 void
1985 MixerStrip::cut_processors ()
1986 {
1987         processor_box.processor_operation (ProcessorBox::ProcessorsCut);
1988 }
1989
1990 void
1991 MixerStrip::paste_processors ()
1992 {
1993         processor_box.processor_operation (ProcessorBox::ProcessorsPaste);
1994 }
1995
1996 void
1997 MixerStrip::select_all_processors ()
1998 {
1999         processor_box.processor_operation (ProcessorBox::ProcessorsSelectAll);
2000 }
2001
2002 void
2003 MixerStrip::delete_processors ()
2004 {
2005         processor_box.processor_operation (ProcessorBox::ProcessorsDelete);
2006 }
2007
2008 void
2009 MixerStrip::toggle_processors ()
2010 {
2011         processor_box.processor_operation (ProcessorBox::ProcessorsToggleActive);
2012 }
2013
2014 void
2015 MixerStrip::ab_plugins ()
2016 {
2017         processor_box.processor_operation (ProcessorBox::ProcessorsAB);
2018 }
2019
2020 bool
2021 MixerStrip::level_meter_button_press (GdkEventButton* ev)
2022 {
2023         if (ev->button == 3) {
2024                 popup_level_meter_menu (ev);
2025                 return true;
2026         }
2027
2028         return false;
2029 }
2030
2031 void
2032 MixerStrip::popup_level_meter_menu (GdkEventButton* ev)
2033 {
2034         using namespace Gtk::Menu_Helpers;
2035
2036         Gtk::Menu* m = manage (new Menu);
2037         MenuList& items = m->items ();
2038
2039         RadioMenuItem::Group group;
2040
2041         add_level_meter_item (items, group, _("Input"), MeterInput);
2042         add_level_meter_item (items, group, _("Pre-fader"), MeterPreFader);
2043         add_level_meter_item (items, group, _("Post-fader"), MeterPostFader);
2044         add_level_meter_item (items, group, _("Output"), MeterOutput);
2045         add_level_meter_item (items, group, _("Custom"), MeterCustom);
2046
2047         m->popup (ev->button, ev->time);
2048 }
2049
2050 void
2051 MixerStrip::add_level_meter_item (Menu_Helpers::MenuList& items, RadioMenuItem::Group& group, string const & name, MeterPoint point)
2052 {
2053         using namespace Menu_Helpers;
2054
2055         items.push_back (RadioMenuElem (group, name, sigc::bind (sigc::mem_fun (*this, &MixerStrip::set_meter_point), point)));
2056         RadioMenuItem* i = dynamic_cast<RadioMenuItem *> (&items.back ());
2057         i->set_active (_route->meter_point() == point);
2058 }
2059
2060 void
2061 MixerStrip::set_meter_point (MeterPoint p)
2062 {
2063         _route->set_meter_point (p);
2064 }