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 <algorithm>
  21
  22 #include <sigc++/bind.h>
  23
  24 #include <pbd/convert.h>
  25 #include <pbd/enumwriter.h>
  26
  27 #include <gtkmm2ext/gtk_ui.h>
  28 #include <gtkmm2ext/utils.h>
  29 #include <gtkmm2ext/choice.h>
  30 #include <gtkmm2ext/stop_signal.h>
  31 #include <gtkmm2ext/doi.h>
  32 #include <gtkmm2ext/slider_controller.h>
  33 #include <gtkmm2ext/bindable_button.h>
  34
  35 #include <ardour/ardour.h>
  36 #include <ardour/session.h>
  37 #include <ardour/audioengine.h>
  38 #include <ardour/route.h>
  39 #include <ardour/audio_track.h>
  40 #include <ardour/audio_diskstream.h>
  41 #include <ardour/panner.h>
  42 #include <ardour/send.h>
  43 #include <ardour/processor.h>
  44 #include <ardour/profile.h>
  45 #include <ardour/ladspa_plugin.h>
  46 #include <ardour/user_bundle.h>
  47
  48 #include "ardour_ui.h"
  49 #include "ardour_dialog.h"
  50 #include "mixer_strip.h"
  51 #include "mixer_ui.h"
  52 #include "keyboard.h"
  53 #include "public_editor.h"
  54 #include "send_ui.h"
  55 #include "io_selector.h"
  56 #include "utils.h"
  57 #include "gui_thread.h"
  58
  59 #include "i18n.h"
  60
  61 using namespace sigc;
  62 using namespace ARDOUR;
  63 using namespace PBD;
  64 using namespace Gtk;
  65 using namespace Gtkmm2ext;
  66 using namespace std;
  67
  68 int MixerStrip::scrollbar_height = 0;
  69
  70 #ifdef VARISPEED_IN_MIXER_STRIP
  71 static void
  72 speed_printer (char buf[32], Gtk::Adjustment& adj, void* arg)
  73 {
  74         float val = adj.get_value ();
  75
  76         if (val == 1.0) {
  77                 strcpy (buf, "1");
  78         } else {
  79                 snprintf (buf, 32, "%.3f", val);
  80         }
  81 }
  82 #endif
  83
  84 MixerStrip::MixerStrip (Mixer_UI& mx, Session& sess, bool in_mixer)
  85         : AxisView(sess)
  86         , RouteUI (sess, _("Mute"), _("Solo"), _("Record"))
  87         ,_mixer(mx)
  88         , _mixer_owned (in_mixer)
  89         , pre_processor_box (PreFader, sess, mx.plugin_selector(), mx.selection(), in_mixer)
  90         , post_processor_box (PostFader, sess, mx.plugin_selector(), mx.selection(), in_mixer)
  91         , gpm (sess)
  92         , panners (sess)
  93         , button_table (3, 2)
  94         , middle_button_table (1, 2)
  95         , bottom_button_table (1, 2)
  96         , meter_point_label (_("pre"))
  97         , comment_button (_("Comments"))
  98         , speed_adjustment (1.0, 0.001, 4.0, 0.001, 0.1)
  99         , speed_spinner (&speed_adjustment, "MixerStripSpeedBase", true)
 100
 101 {
 102         init ();
 103 }
 104
 105 MixerStrip::MixerStrip (Mixer_UI& mx, Session& sess, boost::shared_ptr<Route> rt, bool in_mixer)
 106         : AxisView(sess)
 107         , RouteUI (sess, _("Mute"), _("Solo"), _("Record"))
 108         ,_mixer(mx)
 109         , _mixer_owned (in_mixer)
 110         , pre_processor_box (PreFader, sess, mx.plugin_selector(), mx.selection(), in_mixer)
 111         , post_processor_box (PostFader, sess, mx.plugin_selector(), mx.selection(), in_mixer)
 112         , gpm (sess)
 113         , panners (sess)
 114         , button_table (3, 2)
 115         , middle_button_table (1, 2)
 116         , bottom_button_table (1, 2)
 117         , meter_point_label (_("pre"))
 118         , comment_button (_("Comments"))
 119         , speed_adjustment (1.0, 0.001, 4.0, 0.001, 0.1)
 120         , speed_spinner (&speed_adjustment, "MixerStripSpeedBase", true)
 121
 122 {
 123         init ();
 124         set_route (rt);
 125 }
 126
 127 void
 128 MixerStrip::init ()
 129 {
 130         input_selector = 0;
 131         output_selector = 0;
 132         group_menu = 0;
 133         _marked_for_display = false;
 134         route_ops_menu = 0;
 135         ignore_comment_edit = false;
 136         ignore_toggle = false;
 137         ignore_speed_adjustment = false;
 138         comment_window = 0;
 139         comment_area = 0;
 140         _width_owner = 0;
 141         spacer = 0;
 142
 143         Gtk::Image* img;
 144
 145         img = manage (new Gtk::Image (::get_icon("strip_width")));
 146         img->show ();
 147
 148         width_button.add (*img);
 149
 150         img = manage (new Gtk::Image (::get_icon("hide")));
 151         img->show ();
 152
 153         hide_button.add (*img);
 154
 155         input_label.set_text (_("Input"));
 156         ARDOUR_UI::instance()->set_tip (&input_button, _("Click to choose inputs"), "");
 157         input_button.add (input_label);
 158         input_button.set_name ("MixerIOButton");
 159         input_label.set_name ("MixerIOButtonLabel");
 160
 161         output_label.set_text (_("Output"));
 162         ARDOUR_UI::instance()->set_tip (&output_button, _("Click to choose outputs"), "");
 163         output_button.add (output_label);
 164         output_button.set_name ("MixerIOButton");
 165         output_label.set_name ("MixerIOButtonLabel");
 166
 167         ARDOUR_UI::instance()->set_tip (&meter_point_button, _("Select metering point"), "");
 168         meter_point_button.add (meter_point_label);
 169         meter_point_button.set_name ("MixerStripMeterPreButton");
 170         meter_point_label.set_name ("MixerStripMeterPreButton");
 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 (mem_fun (gpm, &GainMeter::meter_press), false);
 180         /* XXX what is this meant to do? */
 181         //meter_point_button.signal_button_release_event().connect (mem_fun (gpm, &GainMeter::meter_release), false);
 182
 183         hide_button.set_events (hide_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
 184
 185         mute_button->set_name ("MixerMuteButton");
 186         solo_button->set_name ("MixerSoloButton");
 187
 188         button_table.set_homogeneous (true);
 189         button_table.set_spacings (0);
 190
 191         button_table.attach (name_button, 0, 2, 0, 1);
 192         button_table.attach (input_button, 0, 2, 1, 2);
 193
 194         middle_button_table.set_homogeneous (true);
 195         middle_button_table.set_spacings (0);
 196         middle_button_table.attach (*mute_button, 0, 1, 0, 1);
 197         middle_button_table.attach (*solo_button, 1, 2, 0, 1);
 198
 199         bottom_button_table.set_col_spacings (0);
 200         bottom_button_table.set_homogeneous (true);
 201         bottom_button_table.attach (group_button, 0, 1, 0, 1);
 202
 203         name_button.add (name_label);
 204         name_button.set_name ("MixerNameButton");
 205         Gtkmm2ext::set_size_request_to_display_given_text (name_button, "longest label", 2, 2);
 206
 207         name_label.set_name ("MixerNameButtonLabel");
 208         ARDOUR_UI::instance()->set_tip (&group_button, _("Mix group"), "");
 209         group_button.add (group_label);
 210         group_button.set_name ("MixerGroupButton");
 211         group_label.set_name ("MixerGroupButtonLabel");
 212
 213         comment_button.set_name ("MixerCommentButton");
 214
 215         comment_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::comment_button_clicked));
 216
 217         global_vpacker.set_border_width (0);
 218         global_vpacker.set_spacing (0);
 219
 220         width_button.set_name ("MixerWidthButton");
 221         hide_button.set_name ("MixerHideButton");
 222         top_event_box.set_name ("MixerTopEventBox");
 223
 224         width_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::width_clicked));
 225         hide_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::hide_clicked));
 226
 227         width_hide_box.pack_start (width_button, false, true);
 228         width_hide_box.pack_start (top_event_box, true, true);
 229         width_hide_box.pack_end (hide_button, false, true);
 230         gain_meter_alignment.set_padding(0, 4, 0, 0);
 231         gain_meter_alignment.add(gpm);
 232
 233         whvbox.pack_start (width_hide_box, true, true);
 234
 235         global_vpacker.pack_start (whvbox, Gtk::PACK_SHRINK);
 236         global_vpacker.pack_start (button_table,Gtk::PACK_SHRINK);
 237         global_vpacker.pack_start (pre_processor_box, true, true);
 238         global_vpacker.pack_start (middle_button_table,Gtk::PACK_SHRINK);
 239         global_vpacker.pack_start (gain_meter_alignment,Gtk::PACK_SHRINK);
 240         global_vpacker.pack_start (bottom_button_table,Gtk::PACK_SHRINK);
 241         global_vpacker.pack_start (post_processor_box, true, true);
 242         if (!is_midi_track()) {
 243                 global_vpacker.pack_start (panners, Gtk::PACK_SHRINK);
 244         }
 245         global_vpacker.pack_start (output_button, Gtk::PACK_SHRINK);
 246         global_vpacker.pack_start (comment_button, Gtk::PACK_SHRINK);
 247
 248         global_frame.add (global_vpacker);
 249         global_frame.set_shadow_type (Gtk::SHADOW_IN);
 250         global_frame.set_name ("BaseFrame");
 251
 252         add (global_frame);
 253
 254         /* force setting of visible selected status */
 255
 256         _selected = true;
 257         set_selected (false);
 258
 259         _packed = false;
 260         _embedded = false;
 261
 262         _session.engine().Stopped.connect (mem_fun(*this, &MixerStrip::engine_stopped));
 263         _session.engine().Running.connect (mem_fun(*this, &MixerStrip::engine_running));
 264
 265         input_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::input_press), false);
 266         output_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::output_press), false);
 267
 268         solo_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::solo_press), false);
 269         solo_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::solo_release), false);
 270         mute_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::mute_press), false);
 271         mute_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::mute_release), false);
 272
 273         /* we don't need this if its not an audio track, but we don't know that yet and it doesn't
 274            hurt (much).
 275         */
 276
 277         rec_enable_button->set_name ("MixerRecordEnableButton");
 278         rec_enable_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::rec_enable_press), false);
 279         rec_enable_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::rec_enable_release));
 280
 281         name_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::name_button_button_press), false);
 282         group_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::select_mix_group), false);
 283
 284         _width = (Width) -1;
 285
 286         /* start off as a passthru strip. we'll correct this, if necessary,
 287            in update_diskstream_display().
 288         */
 289
 290         /* start off as a passthru strip. we'll correct this, if necessary,
 291            in update_diskstream_display().
 292         */
 293
 294         if (is_midi_track())
 295                 set_name ("MidiTrackStripBase");
 296         else
 297                 set_name ("AudioTrackStripBase");
 298
 299         add_events (Gdk::BUTTON_RELEASE_MASK);
 300 }
 301
 302 MixerStrip::~MixerStrip ()
 303 {
 304         GoingAway(); /* EMIT_SIGNAL */
 305
 306         delete input_selector;
 307         delete output_selector;
 308 }
 309
 310 void
 311 MixerStrip::set_route (boost::shared_ptr<Route> rt)
 312 {
 313         if (rec_enable_button->get_parent()) {
 314                 button_table.remove (*rec_enable_button);
 315         }
 316
 317 #ifdef VARISPEED_IN_MIXER_STRIP
 318         if (speed_frame->get_parent()) {
 319                 button_table.remove (*speed_frame);
 320         }
 321 #endif
 322
 323         RouteUI::set_route (rt);
 324
 325         delete input_selector;
 326         input_selector = 0;
 327
 328         delete output_selector;
 329         output_selector = 0;
 330
 331         panners.set_io (rt);
 332         gpm.set_io (rt);
 333         pre_processor_box.set_route (rt);
 334         post_processor_box.set_route (rt);
 335
 336         if (set_color_from_route()) {
 337                 set_color (unique_random_color());
 338         }
 339
 340         if (_mixer_owned && (route()->is_master() || route()->is_control())) {
 341
 342                 if (scrollbar_height == 0) {
 343                         HScrollbar scrollbar;
 344                         Gtk::Requisition requisition(scrollbar.size_request ());
 345                         scrollbar_height = requisition.height;
 346                 }
 347
 348                 spacer = manage (new EventBox);
 349                 spacer->set_size_request (-1, scrollbar_height);
 350                 global_vpacker.pack_start (*spacer, false, false);
 351         }
 352
 353         if (is_audio_track()) {
 354
 355                 boost::shared_ptr<AudioTrack> at = audio_track();
 356
 357                 connections.push_back (at->FreezeChange.connect (mem_fun(*this, &MixerStrip::map_frozen)));
 358
 359 #ifdef VARISPEED_IN_MIXER_STRIP
 360                 speed_adjustment.signal_value_changed().connect (mem_fun(*this, &MixerStrip::speed_adjustment_changed));
 361
 362                 speed_frame.set_name ("BaseFrame");
 363                 speed_frame.set_shadow_type (Gtk::SHADOW_IN);
 364                 speed_frame.add (speed_spinner);
 365
 366                 speed_spinner.set_print_func (speed_printer, 0);
 367
 368                 ARDOUR_UI::instance()->tooltips().set_tip (speed_spinner, _("Varispeed"));
 369
 370                 button_table.attach (speed_frame, 0, 2, 5, 6);
 371 #endif /* VARISPEED_IN_MIXER_STRIP */
 372
 373                 button_table.attach (*rec_enable_button, 0, 2, 2, 3);
 374                 rec_enable_button->show();
 375         }
 376
 377         if (_route->phase_invert()) {
 378                 name_label.set_text (X_("Ø ") + name_label.get_text());
 379         } else {
 380                 name_label.set_text (_route->name());
 381         }
 382
 383         switch (_route->meter_point()) {
 384         case MeterInput:
 385                 meter_point_label.set_text (_("input"));
 386                 break;
 387
 388         case MeterPreFader:
 389                 meter_point_label.set_text (_("pre"));
 390                 break;
 391
 392         case MeterPostFader:
 393                 meter_point_label.set_text (_("post"));
 394                 break;
 395         }
 396
 397         delete route_ops_menu;
 398         route_ops_menu = 0;
 399
 400         ARDOUR_UI::instance()->tooltips().set_tip (comment_button, _route->comment().empty() ?
 401                                                    _("Click to Add/Edit Comments"):
 402                                                    _route->comment());
 403
 404         connections.push_back (_route->meter_change.connect (mem_fun(*this, &MixerStrip::meter_changed)));
 405         connections.push_back (_route->input_changed.connect (mem_fun(*this, &MixerStrip::input_changed)));
 406         connections.push_back (_route->output_changed.connect (mem_fun(*this, &MixerStrip::output_changed)));
 407         connections.push_back (_route->mute_changed.connect (mem_fun(*this, &RouteUI::mute_changed)));
 408         connections.push_back (_route->solo_changed.connect (mem_fun(*this, &RouteUI::solo_changed)));
 409         connections.push_back (_route->solo_safe_changed.connect (mem_fun(*this, &RouteUI::solo_changed)));
 410         connections.push_back (_route->mix_group_changed.connect (mem_fun(*this, &MixerStrip::mix_group_changed)));
 411         connections.push_back (_route->panner().Changed.connect (mem_fun(*this, &MixerStrip::connect_to_pan)));
 412
 413         if (is_audio_track()) {
 414                 connections.push_back (audio_track()->DiskstreamChanged.connect (mem_fun(*this, &MixerStrip::diskstream_changed)));
 415                 connections.push_back (get_diskstream()->SpeedChanged.connect (mem_fun(*this, &MixerStrip::speed_changed)));
 416         }
 417
 418         connections.push_back (_route->NameChanged.connect (mem_fun(*this, &RouteUI::name_changed)));
 419         connections.push_back (_route->comment_changed.connect (mem_fun(*this, &MixerStrip::comment_changed)));
 420         connections.push_back (_route->gui_changed.connect (mem_fun(*this, &MixerStrip::route_gui_changed)));
 421
 422         set_stuff_from_route ();
 423
 424         /* now force an update of all the various elements */
 425
 426         pre_processor_box.update();
 427         post_processor_box.update();
 428         mute_changed (0);
 429         solo_changed (0);
 430         name_changed ();
 431         comment_changed (0);
 432         mix_group_changed (0);
 433
 434         connect_to_pan ();
 435
 436         panners.setup_pan ();
 437
 438         if (is_audio_track()) {
 439                 speed_changed ();
 440         }
 441
 442         update_diskstream_display ();
 443         update_input_display ();
 444         update_output_display ();
 445
 446         add_events (Gdk::BUTTON_RELEASE_MASK);
 447
 448         pre_processor_box.show();
 449
 450         if (!route()->is_master() && !route()->is_control()) {
 451                 /* we don't allow master or control routes to be hidden */
 452                 hide_button.show();
 453         }
 454
 455         width_button.show();
 456         width_hide_box.show();
 457         whvbox.show ();
 458         global_frame.show();
 459         global_vpacker.show();
 460         button_table.show();
 461         middle_button_table.show();
 462         bottom_button_table.show();
 463         pre_processor_box.show_all ();
 464         gpm.show_all ();
 465         panners.show_all ();
 466         gain_meter_alignment.show ();
 467         post_processor_box.show_all ();
 468         gain_unit_button.show();
 469         gain_unit_label.show();
 470         meter_point_button.show();
 471         meter_point_label.show();
 472         diskstream_button.show();
 473         diskstream_label.show();
 474         input_button.show();
 475         input_label.show();
 476         output_button.show();
 477         output_label.show();
 478         name_label.show();
 479         name_button.show();
 480         comment_button.show();
 481         group_button.show();
 482         group_label.show();
 483         speed_spinner.show();
 484         speed_label.show();
 485         speed_frame.show();
 486
 487         show ();
 488 }
 489
 490 void
 491 MixerStrip::set_stuff_from_route ()
 492 {
 493         XMLProperty *prop;
 494
 495         ensure_xml_node ();
 496
 497         /* if width is not set, it will be set by the MixerUI or editor */
 498
 499         if ((prop = xml_node->property ("strip-width")) != 0) {
 500                 set_width (Width (string_2_enum (prop->value(), _width)), this);
 501         }
 502
 503         if ((prop = xml_node->property ("shown-mixer")) != 0) {
 504                 if (prop->value() == "no") {
 505                         _marked_for_display = false;
 506                 } else {
 507                         _marked_for_display = true;
 508                 }
 509         } else {
 510                 /* backwards compatibility */
 511                 _marked_for_display = true;
 512         }
 513 }
 514
 515 void
 516 MixerStrip::set_width (Width w, void* owner)
 517 {
 518         /* always set the gpm width again, things may be hidden */
 519
 520         gpm.set_width (w);
 521         panners.set_width (w);
 522         pre_processor_box.set_width (w);
 523         post_processor_box.set_width (w);
 524
 525         boost::shared_ptr<AutomationList> gain_automation = _route->gain_control()->alist();
 526
 527         _width_owner = owner;
 528
 529         ensure_xml_node ();
 530
 531         _width = w;
 532
 533         if (_width_owner == this) {
 534                 xml_node->add_property ("strip-width", enum_2_string (_width));
 535         }
 536
 537         switch (w) {
 538         case Wide:
 539
 540                 if (rec_enable_button)  {
 541                         ((Gtk::Label*)rec_enable_button->get_child())->set_text (_("Record"));
 542                 }
 543                 ((Gtk::Label*)mute_button->get_child())->set_text  (_("Mute"));
 544                 ((Gtk::Label*)solo_button->get_child())->set_text (_("Solo"));
 545
 546                 if (_route->comment() == "") {
 547                        comment_button.unset_bg (STATE_NORMAL);
 548                        ((Gtk::Label*)comment_button.get_child())->set_text (_("Comments"));
 549                 } else {
 550                        comment_button.modify_bg (STATE_NORMAL, color());
 551                        ((Gtk::Label*)comment_button.get_child())->set_text (_("*Comments*"));
 552                 }
 553
 554                 ((Gtk::Label*)gpm.gain_automation_style_button.get_child())->set_text (gpm.astyle_string(gain_automation->automation_style()));
 555                 ((Gtk::Label*)gpm.gain_automation_state_button.get_child())->set_text (gpm.astate_string(gain_automation->automation_state()));
 556                 ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (panners.astyle_string(_route->panner().automation_style()));
 557                 ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (panners.astate_string(_route->panner().automation_state()));
 558                 Gtkmm2ext::set_size_request_to_display_given_text (name_button, "long", 2, 2);
 559                 set_size_request (-1, -1);
 560                 break;
 561
 562         case Narrow:
 563                 if (rec_enable_button) {
 564                         ((Gtk::Label*)rec_enable_button->get_child())->set_text (_("Rec"));
 565                 }
 566                 ((Gtk::Label*)mute_button->get_child())->set_text (_("M"));
 567                 ((Gtk::Label*)solo_button->get_child())->set_text (_("S"));
 568
 569                 if (_route->comment() == "") {
 570                        comment_button.unset_bg (STATE_NORMAL);
 571                        ((Gtk::Label*)comment_button.get_child())->set_text (_("Cmt"));
 572                 } else {
 573                        comment_button.modify_bg (STATE_NORMAL, color());
 574                        ((Gtk::Label*)comment_button.get_child())->set_text (_("*Cmt*"));
 575                 }
 576
 577                 ((Gtk::Label*)gpm.gain_automation_style_button.get_child())->set_text (gpm.short_astyle_string(gain_automation->automation_style()));
 578                 ((Gtk::Label*)gpm.gain_automation_state_button.get_child())->set_text (gpm.short_astate_string(gain_automation->automation_state()));
 579                 ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (panners.short_astyle_string(_route->panner().automation_style()));
 580                 ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (panners.short_astate_string(_route->panner().automation_state()));
 581                 Gtkmm2ext::set_size_request_to_display_given_text (name_button, "longest label", 2, 2);
 582                 set_size_request (max (50, gpm.get_gm_width()), -1);
 583                 break;
 584         }
 585         update_input_display ();
 586         update_output_display ();
 587         mix_group_changed (0);
 588         name_changed ();
 589 #ifdef GTKOSX
 590         WidthChanged();
 591 #endif
 592 }
 593
 594 void
 595 MixerStrip::set_packed (bool yn)
 596 {
 597         _packed = yn;
 598
 599         ensure_xml_node ();
 600
 601         if (_packed) {
 602                 xml_node->add_property ("shown-mixer", "yes");
 603         } else {
 604                 xml_node->add_property ("shown-mixer", "no");
 605         }
 606 }
 607
 608
 609 gint
 610 MixerStrip::output_press (GdkEventButton *ev)
 611 {
 612         using namespace Menu_Helpers;
 613         if (!_session.engine().connected()) {
 614                 MessageDialog msg (_("Not connected to JACK - no I/O changes are possible"));
 615                 msg.run ();
 616                 return true;
 617         }
 618
 619         MenuList& citems = output_menu.items();
 620         switch (ev->button) {
 621
 622         case 1:
 623         {
 624                 output_menu.set_name ("ArdourContextMenu");
 625                 citems.clear();
 626
 627                 citems.push_back (MenuElem (_("Edit"), mem_fun(*this, &MixerStrip::edit_output_configuration)));
 628                 citems.push_back (SeparatorElem());
 629                 citems.push_back (MenuElem (_("Disconnect"), mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_output)));
 630                 citems.push_back (SeparatorElem());
 631
 632                 std::vector<boost::shared_ptr<Bundle> > current = _route->bundles_connected_to_outputs ();
 633
 634                 _session.foreach_bundle (
 635                         bind (mem_fun (*this, &MixerStrip::add_bundle_to_output_menu), current)
 636                         );
 637
 638                 output_menu.popup (1, ev->time);
 639                 break;
 640         }
 641
 642         default:
 643                 break;
 644         }
 645         return TRUE;
 646 }
 647
 648 void
 649 MixerStrip::edit_output_configuration ()
 650 {
 651         if (output_selector == 0) {
 652                 output_selector = new IOSelectorWindow (_session, _route, false);
 653         }
 654
 655         if (output_selector->is_visible()) {
 656                 output_selector->get_toplevel()->get_window()->raise();
 657         } else {
 658                 output_selector->present ();
 659         }
 660 }
 661
 662 void
 663 MixerStrip::edit_input_configuration ()
 664 {
 665         if (input_selector == 0) {
 666                 input_selector = new IOSelectorWindow (_session, _route, true);
 667         }
 668
 669         if (input_selector->is_visible()) {
 670                 input_selector->get_toplevel()->get_window()->raise();
 671         } else {
 672                 input_selector->present ();
 673         }
 674 }
 675
 676 gint
 677 MixerStrip::input_press (GdkEventButton *ev)
 678 {
 679         using namespace Menu_Helpers;
 680
 681         MenuList& citems = input_menu.items();
 682         input_menu.set_name ("ArdourContextMenu");
 683         citems.clear();
 684
 685         if (!_session.engine().connected()) {
 686                 MessageDialog msg (_("Not connected to JACK - no I/O changes are possible"));
 687                 msg.run ();
 688                 return true;
 689         }
 690
 691         switch (ev->button) {
 692
 693         case 1:
 694         {
 695                 citems.push_back (MenuElem (_("Edit"), mem_fun(*this, &MixerStrip::edit_input_configuration)));
 696                 citems.push_back (SeparatorElem());
 697                 citems.push_back (MenuElem (_("Disconnect"), mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_input)));
 698                 citems.push_back (SeparatorElem());
 699
 700                 std::vector<boost::shared_ptr<Bundle> > current = _route->bundles_connected_to_inputs ();
 701
 702                 _session.foreach_bundle (
 703                         bind (mem_fun (*this, &MixerStrip::add_bundle_to_input_menu), current)
 704                         );
 705
 706                 input_menu.popup (1, ev->time);
 707                 break;
 708         }
 709         default:
 710                 break;
 711         }
 712         return TRUE;
 713 }
 714
 715 void
 716 MixerStrip::bundle_input_chosen (boost::shared_ptr<ARDOUR::Bundle> c)
 717 {
 718         if (!ignore_toggle) {
 719
 720                 try {
 721                         _route->connect_input_ports_to_bundle (c, this);
 722                 }
 723
 724                 catch (AudioEngine::PortRegistrationFailure& err) {
 725                         error << _("could not register new ports required for that bundle")
 726                               << endmsg;
 727                 }
 728         }
 729 }
 730
 731 void
 732 MixerStrip::bundle_output_chosen (boost::shared_ptr<ARDOUR::Bundle> c)
 733 {
 734         if (!ignore_toggle) {
 735
 736                 try {
 737                         _route->connect_output_ports_to_bundle (c, this);
 738                 }
 739
 740                 catch (AudioEngine::PortRegistrationFailure& err) {
 741                         error << _("could not register new ports required for that bundle")
 742                               << endmsg;
 743                 }
 744         }
 745 }
 746
 747 void
 748 MixerStrip::add_bundle_to_input_menu (boost::shared_ptr<Bundle> b, std::vector<boost::shared_ptr<Bundle> > const & current)
 749 {
 750         using namespace Menu_Helpers;
 751
 752         /* the input menu needs to contain only output bundles (that we
 753            can connect inputs to */
 754         if (b->ports_are_outputs() == false) {
 755                 return;
 756         }
 757
 758         MenuList& citems = input_menu.items();
 759
 760         if (b->nchannels() == _route->n_inputs().get (b->type ())) {
 761
 762                 citems.push_back (CheckMenuElem (b->name(), bind (mem_fun(*this, &MixerStrip::bundle_input_chosen), b)));
 763
 764                 if (std::find (current.begin(), current.end(), b) != current.end()) {
 765                         ignore_toggle = true;
 766                         dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
 767                         ignore_toggle = false;
 768                 }
 769         }
 770 }
 771
 772 void
 773 MixerStrip::add_bundle_to_output_menu (boost::shared_ptr<Bundle> b, std::vector<boost::shared_ptr<Bundle> > const & current)
 774 {
 775         using namespace Menu_Helpers;
 776
 777         /* the output menu needs to contain only input bundles (that we
 778            can connect outputs to */
 779         if (b->ports_are_inputs() == false) {
 780                 return;
 781         }
 782
 783         if (b->nchannels() == _route->n_outputs().get (b->type ())) {
 784
 785                 MenuList& citems = output_menu.items();
 786                 citems.push_back (CheckMenuElem (b->name(), bind (mem_fun(*this, &MixerStrip::bundle_output_chosen), b)));
 787
 788                 if (std::find (current.begin(), current.end(), b) != current.end()) {
 789                         ignore_toggle = true;
 790                         dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
 791                         ignore_toggle = false;
 792                 }
 793         }
 794 }
 795
 796 void
 797 MixerStrip::update_diskstream_display ()
 798 {
 799         if (is_track()) {
 800
 801                 if (input_selector) {
 802                         input_selector->hide_all ();
 803                 }
 804
 805                 show_route_color ();
 806
 807         } else {
 808
 809                 show_passthru_color ();
 810         }
 811 }
 812
 813 void
 814 MixerStrip::connect_to_pan ()
 815 {
 816         ENSURE_GUI_THREAD(mem_fun(*this, &MixerStrip::connect_to_pan));
 817
 818         panstate_connection.disconnect ();
 819         panstyle_connection.disconnect ();
 820
 821                 boost::shared_ptr<ARDOUR::AutomationControl> pan_control
 822                         = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
 823                                 _route->panner().data().control(Evoral::Parameter( PanAutomation ) ));
 824
 825         if (pan_control) {
 826                 panstate_connection = pan_control->alist()->automation_state_changed.connect (mem_fun(panners, &PannerUI::pan_automation_state_changed));
 827                 panstyle_connection = pan_control->alist()->automation_style_changed.connect (mem_fun(panners, &PannerUI::pan_automation_style_changed));
 828         }
 829
 830         panners.pan_changed (this);
 831 }
 832
 833 void
 834 MixerStrip::update_input_display ()
 835 {
 836         std::vector<boost::shared_ptr<ARDOUR::Bundle> > c = _route->bundles_connected_to_inputs ();
 837
 838         /* XXX: how do we represent >1 connected bundle? */
 839         if (c.empty() == false) {
 840                 input_label.set_text (c[0]->name());
 841         } else {
 842                 switch (_width) {
 843                 case Wide:
 844                         input_label.set_text (_(" Input"));
 845                         break;
 846                 case Narrow:
 847                         input_label.set_text (_("I"));
 848                         break;
 849                 }
 850         }
 851         panners.setup_pan ();
 852 }
 853
 854 void
 855 MixerStrip::update_output_display ()
 856 {
 857         std::vector<boost::shared_ptr<ARDOUR::Bundle> > c = _route->bundles_connected_to_outputs ();
 858
 859         /* XXX: how do we represent >1 connected bundle? */
 860         if (c.empty() == false) {
 861                 output_label.set_text (c[0]->name());
 862         } else {
 863                 switch (_width) {
 864                 case Wide:
 865                         output_label.set_text (_("Output"));
 866                         break;
 867                 case Narrow:
 868                         output_label.set_text (_("O"));
 869                         break;
 870                 }
 871         }
 872
 873         gpm.setup_meters ();
 874         panners.setup_pan ();
 875 }
 876
 877 void
 878 MixerStrip::fast_update ()
 879 {
 880         gpm.update_meters ();
 881 }
 882
 883 void
 884 MixerStrip::diskstream_changed ()
 885 {
 886         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_diskstream_display));
 887 }
 888
 889 void
 890 MixerStrip::input_changed (IOChange change, void *src)
 891 {
 892         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_input_display));
 893         set_width(_width, this);
 894 }
 895
 896 void
 897 MixerStrip::output_changed (IOChange change, void *src)
 898 {
 899         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_output_display));
 900         set_width(_width, this);
 901 }
 902
 903
 904 void
 905 MixerStrip::comment_editor_done_editing()
 906 {
 907         string str =  comment_area->get_buffer()->get_text();
 908         if (_route->comment() != str) {
 909                 _route->set_comment (str, this);
 910
 911                 switch (_width) {
 912
 913                 case Wide:
 914                         if (! str.empty()) {
 915                                 comment_button.modify_bg (STATE_NORMAL, color());
 916                                 ((Gtk::Label*)comment_button.get_child())->set_text (_("*Comments*"));
 917                         } else {
 918                                 comment_button.unset_bg (STATE_NORMAL);
 919                                 ((Gtk::Label*)comment_button.get_child())->set_text (_("Comments"));
 920                         }
 921                         break;
 922
 923                 case Narrow:
 924                         if (! str.empty()) {
 925                                 comment_button.modify_bg (STATE_NORMAL, color());
 926                                 ((Gtk::Label*)comment_button.get_child())->set_text (_("*Cmt*"));
 927                         } else {
 928                                 comment_button.unset_bg (STATE_NORMAL);
 929                                 ((Gtk::Label*)comment_button.get_child())->set_text (_("Cmt"));
 930                         }
 931                         break;
 932                 }
 933
 934                 ARDOUR_UI::instance()->tooltips().set_tip (comment_button,
 935                                 str.empty() ? _("Click to Add/Edit Comments") : str);
 936         }
 937
 938 }
 939
 940 void
 941 MixerStrip::comment_button_clicked ()
 942 {
 943         if (comment_window == 0) {
 944                 setup_comment_editor ();
 945         }
 946
 947     int x, y, cw_width, cw_height;
 948
 949         if (comment_window->is_visible()) {
 950                 comment_window->hide ();
 951                 return;
 952         }
 953
 954         comment_window->get_size (cw_width, cw_height);
 955         comment_window->get_position(x, y);
 956         comment_window->move(x, y - (cw_height / 2) - 45);
 957         /*
 958            half the dialog height minus the comments button height
 959            with some window decoration fudge thrown in.
 960         */
 961
 962         comment_window->show();
 963         comment_window->present();
 964 }
 965
 966 void
 967 MixerStrip::setup_comment_editor ()
 968 {
 969         string title;
 970         title = _route->name();
 971         title += _(": comment editor");
 972
 973         comment_window = new ArdourDialog (title, false);
 974         comment_window->set_position (Gtk::WIN_POS_MOUSE);
 975         comment_window->set_skip_taskbar_hint (true);
 976         comment_window->signal_hide().connect (mem_fun(*this, &MixerStrip::comment_editor_done_editing));
 977
 978         comment_area = manage (new TextView());
 979         comment_area->set_name ("MixerTrackCommentArea");
 980         comment_area->set_size_request (110, 178);
 981         comment_area->set_wrap_mode (WRAP_WORD);
 982         comment_area->set_editable (true);
 983         comment_area->get_buffer()->set_text (_route->comment());
 984         comment_area->show ();
 985
 986         comment_window->get_vbox()->pack_start (*comment_area);
 987         comment_window->get_action_area()->hide();
 988 }
 989
 990 void
 991 MixerStrip::comment_changed (void *src)
 992 {
 993         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::comment_changed), src));
 994
 995         if (src != this) {
 996                 ignore_comment_edit = true;
 997                 if (comment_area) {
 998                         comment_area->get_buffer()->set_text (_route->comment());
 999                 }
1000                 ignore_comment_edit = false;
1001         }
1002 }
1003
1004 void
1005 MixerStrip::set_mix_group (RouteGroup *rg)
1006 {
1007         _route->set_mix_group (rg, this);
1008 }
1009
1010 void
1011 MixerStrip::add_mix_group_to_menu (RouteGroup *rg, RadioMenuItem::Group* group)
1012 {
1013         using namespace Menu_Helpers;
1014
1015         MenuList& items = group_menu->items();
1016
1017         items.push_back (RadioMenuElem (*group, rg->name(), bind (mem_fun(*this, &MixerStrip::set_mix_group), rg)));
1018
1019         if (_route->mix_group() == rg) {
1020                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
1021         }
1022 }
1023
1024 bool
1025 MixerStrip::select_mix_group (GdkEventButton *ev)
1026 {
1027         using namespace Menu_Helpers;
1028
1029         if (group_menu == 0) {
1030                 group_menu = new Menu;
1031         }
1032         group_menu->set_name ("ArdourContextMenu");
1033         MenuList& items = group_menu->items();
1034         RadioMenuItem::Group group;
1035
1036         switch (ev->button) {
1037         case 1:
1038
1039                 items.clear ();
1040                 items.push_back (RadioMenuElem (group, _("No group"), bind (mem_fun(*this, &MixerStrip::set_mix_group), (RouteGroup *) 0)));
1041
1042                 _session.foreach_mix_group (bind (mem_fun (*this, &MixerStrip::add_mix_group_to_menu), &group));
1043
1044                 group_menu->popup (1, ev->time);
1045                 break;
1046
1047         default:
1048                 break;
1049         }
1050
1051         return true;
1052 }
1053
1054 void
1055 MixerStrip::mix_group_changed (void *ignored)
1056 {
1057         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::mix_group_changed), ignored));
1058
1059         RouteGroup *rg = _route->mix_group();
1060
1061         if (rg) {
1062                 group_label.set_text (rg->name());
1063         } else {
1064                 switch (_width) {
1065                 case Wide:
1066                         group_label.set_text (_("Grp"));
1067                         break;
1068                 case Narrow:
1069                         group_label.set_text (_("~G"));
1070                         break;
1071                 }
1072         }
1073 }
1074
1075
1076 void
1077 MixerStrip::route_gui_changed (string what_changed, void* ignored)
1078 {
1079         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::route_gui_changed), what_changed, ignored));
1080
1081         if (what_changed == "color") {
1082                 if (set_color_from_route () == 0) {
1083                         show_route_color ();
1084                 }
1085         }
1086 }
1087
1088 void
1089 MixerStrip::show_route_color ()
1090 {
1091         name_button.modify_bg (STATE_NORMAL, color());
1092         top_event_box.modify_bg (STATE_NORMAL, color());
1093         route_active_changed ();
1094 }
1095
1096 void
1097 MixerStrip::show_passthru_color ()
1098 {
1099         route_active_changed ();
1100 }
1101
1102 void
1103 MixerStrip::build_route_ops_menu ()
1104 {
1105         using namespace Menu_Helpers;
1106         route_ops_menu = new Menu;
1107         route_ops_menu->set_name ("ArdourContextMenu");
1108
1109         MenuList& items = route_ops_menu->items();
1110
1111         items.push_back (MenuElem (_("Rename"), mem_fun(*this, &RouteUI::route_rename)));
1112         items.push_back (SeparatorElem());
1113         items.push_back (CheckMenuElem (_("Active"), mem_fun (*this, &RouteUI::toggle_route_active)));
1114         route_active_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
1115         route_active_menu_item->set_active (_route->active());
1116
1117         items.push_back (SeparatorElem());
1118
1119         items.push_back (MenuElem (_("Adjust latency"), mem_fun (*this, &RouteUI::adjust_latency)));
1120
1121         items.push_back (SeparatorElem());
1122         items.push_back (CheckMenuElem (_("Invert Polarity"), mem_fun (*this, &RouteUI::toggle_polarity)));
1123         polarity_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
1124         polarity_menu_item->set_active (_route->phase_invert());
1125         items.push_back (CheckMenuElem (_("Protect against denormals"), mem_fun (*this, &RouteUI::toggle_denormal_protection)));
1126         denormal_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
1127         denormal_menu_item->set_active (_route->denormal_protection());
1128
1129         if (!Profile->get_sae()) {
1130                 build_remote_control_menu ();
1131                 items.push_back (SeparatorElem());
1132                 items.push_back (MenuElem (_("Remote Control ID"), *remote_control_menu));
1133         }
1134
1135         items.push_back (SeparatorElem());
1136         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &RouteUI::remove_this_route)));
1137 }
1138
1139 gint
1140 MixerStrip::name_button_button_press (GdkEventButton* ev)
1141 {
1142         if (ev->button == 1 || ev->button == 3) {
1143                 list_route_operations ();
1144
1145                 Menu_Helpers::MenuList& items = route_ops_menu->items();
1146                 /* do not allow rename if the track is record-enabled */
1147                 static_cast<MenuItem*> (&items.front())->set_sensitive (!_route->record_enabled());
1148
1149                 route_ops_menu->popup (1, ev->time);
1150         }
1151         return FALSE;
1152 }
1153
1154 void
1155 MixerStrip::list_route_operations ()
1156 {
1157         if (route_ops_menu == 0) {
1158                 build_route_ops_menu ();
1159         }
1160
1161         refresh_remote_control_menu();
1162 }
1163
1164
1165 void
1166 MixerStrip::speed_adjustment_changed ()
1167 {
1168         /* since there is a usable speed adjustment, there has to be a diskstream */
1169         if (!ignore_speed_adjustment) {
1170                 get_diskstream()->set_speed (speed_adjustment.get_value());
1171         }
1172 }
1173
1174 void
1175 MixerStrip::speed_changed ()
1176 {
1177         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_speed_display));
1178 }
1179
1180 void
1181 MixerStrip::update_speed_display ()
1182 {
1183         float val;
1184
1185         val = get_diskstream()->speed();
1186
1187         if (val != 1.0) {
1188                 speed_spinner.set_name ("MixerStripSpeedBaseNotOne");
1189         } else {
1190                 speed_spinner.set_name ("MixerStripSpeedBase");
1191         }
1192
1193         if (speed_adjustment.get_value() != val) {
1194                 ignore_speed_adjustment = true;
1195                 speed_adjustment.set_value (val);
1196                 ignore_speed_adjustment = false;
1197         }
1198 }
1199
1200
1201 void
1202 MixerStrip::set_selected (bool yn)
1203 {
1204         AxisView::set_selected (yn);
1205         if (_selected) {
1206                 global_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
1207                 global_frame.set_name ("MixerStripSelectedFrame");
1208         } else {
1209                 global_frame.set_shadow_type (Gtk::SHADOW_IN);
1210                 global_frame.set_name ("MixerStripFrame");
1211         }
1212         global_frame.queue_draw ();
1213 }
1214
1215 void
1216 MixerStrip::name_changed ()
1217 {
1218         switch (_width) {
1219         case Wide:
1220                 RouteUI::name_changed ();
1221                 break;
1222         case Narrow:
1223                 name_label.set_text (PBD::short_version (_route->name(), 5));
1224                 break;
1225         }
1226         if (_route->phase_invert()) {
1227                 name_label.set_text (X_("Ø ") + name_label.get_text());
1228         }
1229 }
1230
1231 void
1232 MixerStrip::width_clicked ()
1233 {
1234         switch (_width) {
1235         case Wide:
1236                 set_width (Narrow, this);
1237                 break;
1238         case Narrow:
1239                 set_width (Wide, this);
1240                 break;
1241         }
1242 }
1243
1244 void
1245 MixerStrip::hide_clicked ()
1246 {
1247     // LAME fix to reset the button status for when it is redisplayed (part 1)
1248     hide_button.set_sensitive(false);
1249
1250         if (_embedded) {
1251                  Hiding(); /* EMIT_SIGNAL */
1252         } else {
1253                 _mixer.hide_strip (this);
1254         }
1255
1256     // (part 2)
1257         hide_button.set_sensitive(true);
1258 }
1259
1260 void
1261 MixerStrip::set_embedded (bool yn)
1262 {
1263         _embedded = yn;
1264 }
1265
1266 void
1267 MixerStrip::map_frozen ()
1268 {
1269         ENSURE_GUI_THREAD (mem_fun(*this, &MixerStrip::map_frozen));
1270
1271         boost::shared_ptr<AudioTrack> at = audio_track();
1272
1273         if (at) {
1274                 switch (at->freeze_state()) {
1275                 case AudioTrack::Frozen:
1276                         pre_processor_box.set_sensitive (false);
1277                         post_processor_box.set_sensitive (false);
1278                         speed_spinner.set_sensitive (false);
1279                         break;
1280                 default:
1281                         pre_processor_box.set_sensitive (true);
1282                         post_processor_box.set_sensitive (true);
1283                         speed_spinner.set_sensitive (true);
1284                         // XXX need some way, maybe, to retoggle redirect editors
1285                         break;
1286                 }
1287         }
1288
1289         hide_redirect_editors ();
1290 }
1291
1292 void
1293 MixerStrip::hide_redirect_editors ()
1294 {
1295         _route->foreach_processor (mem_fun (*this, &MixerStrip::hide_processor_editor));
1296 }
1297
1298 void
1299 MixerStrip::hide_processor_editor (boost::weak_ptr<Processor> p)
1300 {
1301         boost::shared_ptr<Processor> processor (p.lock ());
1302         if (!processor) {
1303                 return;
1304         }
1305
1306         void* gui = processor->get_gui ();
1307
1308         if (gui) {
1309                 static_cast<Gtk::Widget*>(gui)->hide ();
1310         }
1311 }
1312
1313 void
1314 MixerStrip::route_active_changed ()
1315 {
1316         RouteUI::route_active_changed ();
1317
1318         if (is_midi_track()) {
1319                 if (_route->active()) {
1320                         set_name ("MidiTrackStripBase");
1321                         gpm.set_meter_strip_name ("MidiTrackStripBase");
1322                 } else {
1323                         set_name ("MidiTrackStripBaseInactive");
1324                         gpm.set_meter_strip_name ("MidiTrackStripBaseInactive");
1325                 }
1326                 gpm.set_fader_name ("MidiTrackFader");
1327         } else if (is_audio_track()) {
1328                 if (_route->active()) {
1329                         set_name ("AudioTrackStripBase");
1330                         gpm.set_meter_strip_name ("AudioTrackMetrics");
1331                 } else {
1332                         set_name ("AudioTrackStripBaseInactive");
1333                         gpm.set_meter_strip_name ("AudioTrackMetricsInactive");
1334                 }
1335                 gpm.set_fader_name ("AudioTrackFader");
1336         } else {
1337                 if (_route->active()) {
1338                         set_name ("AudioBusStripBase");
1339                         gpm.set_meter_strip_name ("AudioBusMetrics");
1340                 } else {
1341                         set_name ("AudioBusStripBaseInactive");
1342                         gpm.set_meter_strip_name ("AudioBusMetricsInactive");
1343                 }
1344                 gpm.set_fader_name ("AudioBusFader");
1345
1346                 /* (no MIDI busses yet) */
1347         }
1348 }
1349
1350 RouteGroup*
1351 MixerStrip::mix_group() const
1352 {
1353         return _route->mix_group();
1354 }
1355
1356 void
1357 MixerStrip::engine_stopped ()
1358 {
1359 }
1360
1361 void
1362 MixerStrip::engine_running ()
1363 {
1364 }
1365
1366 void
1367 MixerStrip::meter_changed (void *src)
1368 {
1369
1370         ENSURE_GUI_THREAD (bind (mem_fun(*this, &MixerStrip::meter_changed), src));
1371
1372         switch (_route->meter_point()) {
1373         case MeterInput:
1374                 meter_point_label.set_text (_("input"));
1375                 break;
1376
1377         case MeterPreFader:
1378                 meter_point_label.set_text (_("pre"));
1379                 break;
1380
1381         case MeterPostFader:
1382                 meter_point_label.set_text (_("post"));
1383                 break;
1384         }
1385
1386         gpm.setup_meters ();
1387         // reset peak when meter point changes
1388         gpm.reset_peak_display();
1389         set_width(_width, this);
1390 }
1391