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/auto_bundle.h>
  47 #include <ardour/user_bundle.h>
  48
  49 #include "ardour_ui.h"
  50 #include "ardour_dialog.h"
  51 #include "mixer_strip.h"
  52 #include "mixer_ui.h"
  53 #include "keyboard.h"
  54 #include "public_editor.h"
  55 #include "send_ui.h"
  56 #include "io_selector.h"
  57 #include "utils.h"
  58 #include "gui_thread.h"
  59
  60 #include "i18n.h"
  61
  62 using namespace sigc;
  63 using namespace ARDOUR;
  64 using namespace PBD;
  65 using namespace Gtk;
  66 using namespace Gtkmm2ext;
  67 using namespace std;
  68
  69 int MixerStrip::scrollbar_height = 0;
  70
  71 #ifdef VARISPEED_IN_MIXER_STRIP
  72 static void
  73 speed_printer (char buf[32], Gtk::Adjustment& adj, void* arg)
  74 {
  75         float val = adj.get_value ();
  76
  77         if (val == 1.0) {
  78                 strcpy (buf, "1");
  79         } else {
  80                 snprintf (buf, 32, "%.3f", val);
  81         }
  82 }
  83 #endif
  84
  85 MixerStrip::MixerStrip (Mixer_UI& mx, Session& sess, bool in_mixer)
  86         : AxisView(sess)
  87         , RouteUI (sess, _("Mute"), _("Solo"), _("Record"))
  88         ,_mixer(mx)
  89         , _mixer_owned (in_mixer)
  90         , pre_processor_box (PreFader, sess, mx.plugin_selector(), mx.selection(), in_mixer)
  91         , post_processor_box (PostFader, sess, mx.plugin_selector(), mx.selection(), in_mixer)
  92         , gpm (sess)
  93         , panners (sess)
  94         , button_table (3, 2)
  95         , middle_button_table (1, 2)
  96         , bottom_button_table (1, 2)
  97         , meter_point_label (_("pre"))
  98         , comment_button (_("Comments"))
  99         , speed_adjustment (1.0, 0.001, 4.0, 0.001, 0.1)
 100         , speed_spinner (&speed_adjustment, "MixerStripSpeedBase", true)
 101
 102 {
 103         init ();
 104 }
 105
 106 MixerStrip::MixerStrip (Mixer_UI& mx, Session& sess, boost::shared_ptr<Route> rt, bool in_mixer)
 107         : AxisView(sess)
 108         , RouteUI (sess, _("Mute"), _("Solo"), _("Record"))
 109         ,_mixer(mx)
 110         , _mixer_owned (in_mixer)
 111         , pre_processor_box (PreFader, sess, mx.plugin_selector(), mx.selection(), in_mixer)
 112         , post_processor_box (PostFader, sess, mx.plugin_selector(), mx.selection(), in_mixer)
 113         , gpm (sess)
 114         , panners (sess)
 115         , button_table (3, 2)
 116         , middle_button_table (1, 2)
 117         , bottom_button_table (1, 2)
 118         , meter_point_label (_("pre"))
 119         , comment_button (_("Comments"))
 120         , speed_adjustment (1.0, 0.001, 4.0, 0.001, 0.1)
 121         , speed_spinner (&speed_adjustment, "MixerStripSpeedBase", true)
 122
 123 {
 124         init ();
 125         set_route (rt);
 126 }
 127
 128 void
 129 MixerStrip::init ()
 130 {
 131         input_selector = 0;
 132         output_selector = 0;
 133         group_menu = 0;
 134         _marked_for_display = false;
 135         route_ops_menu = 0;
 136         ignore_comment_edit = false;
 137         ignore_toggle = false;
 138         ignore_speed_adjustment = false;
 139         comment_window = 0;
 140         comment_area = 0;
 141         _width_owner = 0;
 142         spacer = 0;
 143
 144         Gtk::Image* img;
 145
 146         img = manage (new Gtk::Image (::get_icon("strip_width")));
 147         img->show ();
 148
 149         width_button.add (*img);
 150
 151         img = manage (new Gtk::Image (::get_icon("hide")));
 152         img->show ();
 153
 154         hide_button.add (*img);
 155
 156         input_label.set_text (_("Input"));
 157         ARDOUR_UI::instance()->set_tip (&input_button, _("Click to choose inputs"), "");
 158         input_button.add (input_label);
 159         input_button.set_name ("MixerIOButton");
 160         input_label.set_name ("MixerIOButtonLabel");
 161
 162         output_label.set_text (_("Output"));
 163         ARDOUR_UI::instance()->set_tip (&output_button, _("Click to choose outputs"), "");
 164         output_button.add (output_label);
 165         output_button.set_name ("MixerIOButton");
 166         output_label.set_name ("MixerIOButtonLabel");
 167
 168         ARDOUR_UI::instance()->set_tip (&meter_point_button, _("Select metering point"), "");
 169         meter_point_button.add (meter_point_label);
 170         meter_point_button.set_name ("MixerStripMeterPreButton");
 171         meter_point_label.set_name ("MixerStripMeterPreButton");
 172
 173         /* TRANSLATORS: this string should be longest of the strings
 174            used to describe meter points. In english, it's "input".
 175         */
 176         set_size_request_to_display_given_text (meter_point_button, _("tupni"), 5, 5);
 177
 178         bottom_button_table.attach (meter_point_button, 1, 2, 0, 1);
 179
 180         meter_point_button.signal_button_press_event().connect (mem_fun (gpm, &GainMeter::meter_press), false);
 181         /* XXX what is this meant to do? */
 182         //meter_point_button.signal_button_release_event().connect (mem_fun (gpm, &GainMeter::meter_release), false);
 183
 184         hide_button.set_events (hide_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
 185
 186         mute_button->set_name ("MixerMuteButton");
 187         solo_button->set_name ("MixerSoloButton");
 188
 189         button_table.set_homogeneous (true);
 190         button_table.set_spacings (0);
 191
 192         button_table.attach (name_button, 0, 2, 0, 1);
 193         button_table.attach (input_button, 0, 2, 1, 2);
 194
 195         middle_button_table.set_homogeneous (true);
 196         middle_button_table.set_spacings (0);
 197         middle_button_table.attach (*mute_button, 0, 1, 0, 1);
 198         middle_button_table.attach (*solo_button, 1, 2, 0, 1);
 199
 200         bottom_button_table.set_col_spacings (0);
 201         bottom_button_table.set_homogeneous (true);
 202         bottom_button_table.attach (group_button, 0, 1, 0, 1);
 203
 204         name_button.add (name_label);
 205         name_button.set_name ("MixerNameButton");
 206         Gtkmm2ext::set_size_request_to_display_given_text (name_button, "longest label", 2, 2);
 207
 208         name_label.set_name ("MixerNameButtonLabel");
 209         ARDOUR_UI::instance()->set_tip (&group_button, _("Mix group"), "");
 210         group_button.add (group_label);
 211         group_button.set_name ("MixerGroupButton");
 212         group_label.set_name ("MixerGroupButtonLabel");
 213
 214         comment_button.set_name ("MixerCommentButton");
 215
 216         comment_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::comment_button_clicked));
 217
 218         global_vpacker.set_border_width (0);
 219         global_vpacker.set_spacing (0);
 220
 221         width_button.set_name ("MixerWidthButton");
 222         hide_button.set_name ("MixerHideButton");
 223         top_event_box.set_name ("MixerTopEventBox");
 224
 225         width_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::width_clicked));
 226         hide_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::hide_clicked));
 227
 228         width_hide_box.pack_start (width_button, false, true);
 229         width_hide_box.pack_start (top_event_box, true, true);
 230         width_hide_box.pack_end (hide_button, false, true);
 231         gain_meter_alignment.set_padding(0, 4, 0, 0);
 232         gain_meter_alignment.add(gpm);
 233
 234         whvbox.pack_start (width_hide_box, true, true);
 235
 236         global_vpacker.pack_start (whvbox, Gtk::PACK_SHRINK);
 237         global_vpacker.pack_start (button_table,Gtk::PACK_SHRINK);
 238         global_vpacker.pack_start (pre_processor_box, true, true);
 239         global_vpacker.pack_start (middle_button_table,Gtk::PACK_SHRINK);
 240         global_vpacker.pack_start (gain_meter_alignment,Gtk::PACK_SHRINK);
 241         global_vpacker.pack_start (bottom_button_table,Gtk::PACK_SHRINK);
 242         global_vpacker.pack_start (post_processor_box, true, true);
 243         if (!is_midi_track()) {
 244                 global_vpacker.pack_start (panners, Gtk::PACK_SHRINK);
 245         }
 246         global_vpacker.pack_start (output_button, Gtk::PACK_SHRINK);
 247         global_vpacker.pack_start (comment_button, Gtk::PACK_SHRINK);
 248
 249         global_frame.add (global_vpacker);
 250         global_frame.set_shadow_type (Gtk::SHADOW_IN);
 251         global_frame.set_name ("BaseFrame");
 252
 253         add (global_frame);
 254
 255         /* force setting of visible selected status */
 256
 257         _selected = true;
 258         set_selected (false);
 259
 260         _packed = false;
 261         _embedded = false;
 262
 263         _session.engine().Stopped.connect (mem_fun(*this, &MixerStrip::engine_stopped));
 264         _session.engine().Running.connect (mem_fun(*this, &MixerStrip::engine_running));
 265
 266         input_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::input_press), false);
 267         output_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::output_press), false);
 268
 269         solo_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::solo_press), false);
 270         solo_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::solo_release), false);
 271         mute_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::mute_press), false);
 272         mute_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::mute_release), false);
 273
 274         /* we don't need this if its not an audio track, but we don't know that yet and it doesn't
 275            hurt (much).
 276         */
 277
 278         rec_enable_button->set_name ("MixerRecordEnableButton");
 279         rec_enable_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::rec_enable_press), false);
 280         rec_enable_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::rec_enable_release));
 281
 282         name_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::name_button_button_press), false);
 283         group_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::select_mix_group), false);
 284
 285         _width = (Width) -1;
 286
 287         /* start off as a passthru strip. we'll correct this, if necessary,
 288            in update_diskstream_display().
 289         */
 290
 291         /* start off as a passthru strip. we'll correct this, if necessary,
 292            in update_diskstream_display().
 293         */
 294
 295         if (is_midi_track())
 296                 set_name ("MidiTrackStripBase");
 297         else
 298                 set_name ("AudioTrackStripBase");
 299
 300         add_events (Gdk::BUTTON_RELEASE_MASK);
 301 }
 302
 303 MixerStrip::~MixerStrip ()
 304 {
 305         GoingAway(); /* EMIT_SIGNAL */
 306
 307         delete input_selector;
 308         delete output_selector;
 309 }
 310
 311 void
 312 MixerStrip::set_route (boost::shared_ptr<Route> rt)
 313 {
 314         if (rec_enable_button->get_parent()) {
 315                 button_table.remove (*rec_enable_button);
 316         }
 317
 318 #ifdef VARISPEED_IN_MIXER_STRIP
 319         if (speed_frame->get_parent()) {
 320                 button_table.remove (*speed_frame);
 321         }
 322 #endif
 323
 324         RouteUI::set_route (rt);
 325
 326         delete input_selector;
 327         input_selector = 0;
 328
 329         delete output_selector;
 330         output_selector = 0;
 331
 332         panners.set_io (rt);
 333         gpm.set_io (rt);
 334         pre_processor_box.set_route (rt);
 335         post_processor_box.set_route (rt);
 336
 337         if (set_color_from_route()) {
 338                 set_color (unique_random_color());
 339         }
 340
 341         if (_mixer_owned && (route()->is_master() || route()->is_control())) {
 342
 343                 if (scrollbar_height == 0) {
 344                         HScrollbar scrollbar;
 345                         Gtk::Requisition requisition(scrollbar.size_request ());
 346                         scrollbar_height = requisition.height;
 347                 }
 348
 349                 spacer = manage (new EventBox);
 350                 spacer->set_size_request (-1, scrollbar_height);
 351                 global_vpacker.pack_start (*spacer, false, false);
 352         }
 353
 354         if (is_audio_track()) {
 355
 356                 boost::shared_ptr<AudioTrack> at = audio_track();
 357
 358                 connections.push_back (at->FreezeChange.connect (mem_fun(*this, &MixerStrip::map_frozen)));
 359
 360 #ifdef VARISPEED_IN_MIXER_STRIP
 361                 speed_adjustment.signal_value_changed().connect (mem_fun(*this, &MixerStrip::speed_adjustment_changed));
 362
 363                 speed_frame.set_name ("BaseFrame");
 364                 speed_frame.set_shadow_type (Gtk::SHADOW_IN);
 365                 speed_frame.add (speed_spinner);
 366
 367                 speed_spinner.set_print_func (speed_printer, 0);
 368
 369                 ARDOUR_UI::instance()->tooltips().set_tip (speed_spinner, _("Varispeed"));
 370
 371                 button_table.attach (speed_frame, 0, 2, 5, 6);
 372 #endif /* VARISPEED_IN_MIXER_STRIP */
 373
 374                 button_table.attach (*rec_enable_button, 0, 2, 2, 3);
 375                 rec_enable_button->show();
 376         }
 377
 378         if (_route->phase_invert()) {
 379                 name_label.set_text (X_("Ø ") + name_label.get_text());
 380         } else {
 381                 name_label.set_text (_route->name());
 382         }
 383
 384         switch (_route->meter_point()) {
 385         case MeterInput:
 386                 meter_point_label.set_text (_("input"));
 387                 break;
 388
 389         case MeterPreFader:
 390                 meter_point_label.set_text (_("pre"));
 391                 break;
 392
 393         case MeterPostFader:
 394                 meter_point_label.set_text (_("post"));
 395                 break;
 396         }
 397
 398         delete route_ops_menu;
 399         route_ops_menu = 0;
 400
 401         ARDOUR_UI::instance()->tooltips().set_tip (comment_button, _route->comment().empty() ?
 402                                                    _("Click to Add/Edit Comments"):
 403                                                    _route->comment());
 404
 405         connections.push_back (_route->meter_change.connect (mem_fun(*this, &MixerStrip::meter_changed)));
 406         connections.push_back (_route->input_changed.connect (mem_fun(*this, &MixerStrip::input_changed)));
 407         connections.push_back (_route->output_changed.connect (mem_fun(*this, &MixerStrip::output_changed)));
 408         connections.push_back (_route->mute_changed.connect (mem_fun(*this, &RouteUI::mute_changed)));
 409         connections.push_back (_route->solo_changed.connect (mem_fun(*this, &RouteUI::solo_changed)));
 410         connections.push_back (_route->solo_safe_changed.connect (mem_fun(*this, &RouteUI::solo_changed)));
 411         connections.push_back (_route->mix_group_changed.connect (mem_fun(*this, &MixerStrip::mix_group_changed)));
 412         connections.push_back (_route->panner().Changed.connect (mem_fun(*this, &MixerStrip::connect_to_pan)));
 413
 414         if (is_audio_track()) {
 415                 connections.push_back (audio_track()->DiskstreamChanged.connect (mem_fun(*this, &MixerStrip::diskstream_changed)));
 416                 connections.push_back (get_diskstream()->SpeedChanged.connect (mem_fun(*this, &MixerStrip::speed_changed)));
 417         }
 418
 419         connections.push_back (_route->NameChanged.connect (mem_fun(*this, &RouteUI::name_changed)));
 420         connections.push_back (_route->comment_changed.connect (mem_fun(*this, &MixerStrip::comment_changed)));
 421         connections.push_back (_route->gui_changed.connect (mem_fun(*this, &MixerStrip::route_gui_changed)));
 422
 423         set_stuff_from_route ();
 424
 425         /* now force an update of all the various elements */
 426
 427         pre_processor_box.update();
 428         post_processor_box.update();
 429         mute_changed (0);
 430         solo_changed (0);
 431         name_changed ();
 432         comment_changed (0);
 433         mix_group_changed (0);
 434
 435         connect_to_pan ();
 436
 437         panners.setup_pan ();
 438
 439         if (is_audio_track()) {
 440                 speed_changed ();
 441         }
 442
 443         update_diskstream_display ();
 444         update_input_display ();
 445         update_output_display ();
 446
 447         add_events (Gdk::BUTTON_RELEASE_MASK);
 448
 449         pre_processor_box.show();
 450
 451         if (!route()->is_master() && !route()->is_control()) {
 452                 /* we don't allow master or control routes to be hidden */
 453                 hide_button.show();
 454         }
 455
 456         width_button.show();
 457         width_hide_box.show();
 458         whvbox.show ();
 459         global_frame.show();
 460         global_vpacker.show();
 461         button_table.show();
 462         middle_button_table.show();
 463         bottom_button_table.show();
 464         pre_processor_box.show_all ();
 465         gpm.show_all ();
 466         panners.show_all ();
 467         gain_meter_alignment.show ();
 468         post_processor_box.show_all ();
 469         gain_unit_button.show();
 470         gain_unit_label.show();
 471         meter_point_button.show();
 472         meter_point_label.show();
 473         diskstream_button.show();
 474         diskstream_label.show();
 475         input_button.show();
 476         input_label.show();
 477         output_button.show();
 478         output_label.show();
 479         name_label.show();
 480         name_button.show();
 481         comment_button.show();
 482         group_button.show();
 483         group_label.show();
 484         speed_spinner.show();
 485         speed_label.show();
 486         speed_frame.show();
 487
 488         show ();
 489 }
 490
 491 void
 492 MixerStrip::set_stuff_from_route ()
 493 {
 494         XMLProperty *prop;
 495
 496         ensure_xml_node ();
 497
 498         /* if width is not set, it will be set by the MixerUI or editor */
 499
 500         if ((prop = xml_node->property ("strip-width")) != 0) {
 501                 set_width (Width (string_2_enum (prop->value(), _width)), this);
 502         }
 503
 504         if ((prop = xml_node->property ("shown-mixer")) != 0) {
 505                 if (prop->value() == "no") {
 506                         _marked_for_display = false;
 507                 } else {
 508                         _marked_for_display = true;
 509                 }
 510         } else {
 511                 /* backwards compatibility */
 512                 _marked_for_display = true;
 513         }
 514 }
 515
 516 void
 517 MixerStrip::set_width (Width w, void* owner)
 518 {
 519         /* always set the gpm width again, things may be hidden */
 520
 521         gpm.set_width (w);
 522         panners.set_width (w);
 523         pre_processor_box.set_width (w);
 524         post_processor_box.set_width (w);
 525
 526         boost::shared_ptr<AutomationList> gain_automation = _route->gain_control()->alist();
 527
 528         _width_owner = owner;
 529
 530         ensure_xml_node ();
 531
 532         _width = w;
 533
 534         if (_width_owner == this) {
 535                 xml_node->add_property ("strip-width", enum_2_string (_width));
 536         }
 537
 538         switch (w) {
 539         case Wide:
 540
 541                 if (rec_enable_button)  {
 542                         ((Gtk::Label*)rec_enable_button->get_child())->set_text (_("Record"));
 543                 }
 544                 ((Gtk::Label*)mute_button->get_child())->set_text  (_("Mute"));
 545                 ((Gtk::Label*)solo_button->get_child())->set_text (_("Solo"));
 546
 547                 if (_route->comment() == "") {
 548                        comment_button.unset_bg (STATE_NORMAL);
 549                        ((Gtk::Label*)comment_button.get_child())->set_text (_("Comments"));
 550                 } else {
 551                        comment_button.modify_bg (STATE_NORMAL, color());
 552                        ((Gtk::Label*)comment_button.get_child())->set_text (_("*Comments*"));
 553                 }
 554
 555                 ((Gtk::Label*)gpm.gain_automation_style_button.get_child())->set_text (gpm.astyle_string(gain_automation->automation_style()));
 556                 ((Gtk::Label*)gpm.gain_automation_state_button.get_child())->set_text (gpm.astate_string(gain_automation->automation_state()));
 557                 ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (panners.astyle_string(_route->panner().automation_style()));
 558                 ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (panners.astate_string(_route->panner().automation_state()));
 559                 Gtkmm2ext::set_size_request_to_display_given_text (name_button, "long", 2, 2);
 560                 set_size_request (-1, -1);
 561                 break;
 562
 563         case Narrow:
 564                 if (rec_enable_button) {
 565                         ((Gtk::Label*)rec_enable_button->get_child())->set_text (_("Rec"));
 566                 }
 567                 ((Gtk::Label*)mute_button->get_child())->set_text (_("M"));
 568                 ((Gtk::Label*)solo_button->get_child())->set_text (_("S"));
 569
 570                 if (_route->comment() == "") {
 571                        comment_button.unset_bg (STATE_NORMAL);
 572                        ((Gtk::Label*)comment_button.get_child())->set_text (_("Cmt"));
 573                 } else {
 574                        comment_button.modify_bg (STATE_NORMAL, color());
 575                        ((Gtk::Label*)comment_button.get_child())->set_text (_("*Cmt*"));
 576                 }
 577
 578                 ((Gtk::Label*)gpm.gain_automation_style_button.get_child())->set_text (gpm.short_astyle_string(gain_automation->automation_style()));
 579                 ((Gtk::Label*)gpm.gain_automation_state_button.get_child())->set_text (gpm.short_astate_string(gain_automation->automation_state()));
 580                 ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (panners.short_astyle_string(_route->panner().automation_style()));
 581                 ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (panners.short_astate_string(_route->panner().automation_state()));
 582                 Gtkmm2ext::set_size_request_to_display_given_text (name_button, "longest label", 2, 2);
 583                 set_size_request (max (50, gpm.get_gm_width()), -1);
 584                 break;
 585         }
 586         update_input_display ();
 587         update_output_display ();
 588         mix_group_changed (0);
 589         name_changed ();
 590 #ifdef GTKOSX
 591         WidthChanged();
 592 #endif
 593 }
 594
 595 void
 596 MixerStrip::set_packed (bool yn)
 597 {
 598         _packed = yn;
 599
 600         ensure_xml_node ();
 601
 602         if (_packed) {
 603                 xml_node->add_property ("shown-mixer", "yes");
 604         } else {
 605                 xml_node->add_property ("shown-mixer", "no");
 606         }
 607 }
 608
 609
 610 gint
 611 MixerStrip::output_press (GdkEventButton *ev)
 612 {
 613         using namespace Menu_Helpers;
 614         if (!_session.engine().connected()) {
 615                 MessageDialog msg (_("Not connected to JACK - no I/O changes are possible"));
 616                 msg.run ();
 617                 return true;
 618         }
 619
 620         MenuList& citems = output_menu.items();
 621         switch (ev->button) {
 622
 623         case 1:
 624         {
 625                 output_menu.set_name ("ArdourContextMenu");
 626                 citems.clear();
 627
 628                 citems.push_back (MenuElem (_("Edit"), mem_fun(*this, &MixerStrip::edit_output_configuration)));
 629                 citems.push_back (SeparatorElem());
 630                 citems.push_back (MenuElem (_("Disconnect"), mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_output)));
 631                 citems.push_back (SeparatorElem());
 632
 633                 std::vector<boost::shared_ptr<Bundle> > current = _route->bundles_connected_to_outputs ();
 634
 635                 _session.foreach_bundle (
 636                         bind (mem_fun (*this, &MixerStrip::add_bundle_to_output_menu), current)
 637                         );
 638
 639                 output_menu.popup (1, ev->time);
 640                 break;
 641         }
 642
 643         default:
 644                 break;
 645         }
 646         return TRUE;
 647 }
 648
 649 void
 650 MixerStrip::edit_output_configuration ()
 651 {
 652         if (output_selector == 0) {
 653                 output_selector = new IOSelectorWindow (_session, _route, false);
 654         }
 655
 656         if (output_selector->is_visible()) {
 657                 output_selector->get_toplevel()->get_window()->raise();
 658         } else {
 659                 output_selector->present ();
 660         }
 661 }
 662
 663 void
 664 MixerStrip::edit_input_configuration ()
 665 {
 666         if (input_selector == 0) {
 667                 input_selector = new IOSelectorWindow (_session, _route, true);
 668         }
 669
 670         if (input_selector->is_visible()) {
 671                 input_selector->get_toplevel()->get_window()->raise();
 672         } else {
 673                 input_selector->present ();
 674         }
 675 }
 676
 677 gint
 678 MixerStrip::input_press (GdkEventButton *ev)
 679 {
 680         using namespace Menu_Helpers;
 681
 682         MenuList& citems = input_menu.items();
 683         input_menu.set_name ("ArdourContextMenu");
 684         citems.clear();
 685
 686         if (!_session.engine().connected()) {
 687                 MessageDialog msg (_("Not connected to JACK - no I/O changes are possible"));
 688                 msg.run ();
 689                 return true;
 690         }
 691
 692         switch (ev->button) {
 693
 694         case 1:
 695         {
 696                 citems.push_back (MenuElem (_("Edit"), mem_fun(*this, &MixerStrip::edit_input_configuration)));
 697                 citems.push_back (SeparatorElem());
 698                 citems.push_back (MenuElem (_("Disconnect"), mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_input)));
 699                 citems.push_back (SeparatorElem());
 700
 701                 std::vector<boost::shared_ptr<Bundle> > current = _route->bundles_connected_to_inputs ();
 702
 703                 _session.foreach_bundle (
 704                         bind (mem_fun (*this, &MixerStrip::add_bundle_to_input_menu), current)
 705                         );
 706
 707                 input_menu.popup (1, ev->time);
 708                 break;
 709         }
 710         default:
 711                 break;
 712         }
 713         return TRUE;
 714 }
 715
 716 void
 717 MixerStrip::bundle_input_chosen (boost::shared_ptr<ARDOUR::Bundle> c)
 718 {
 719         if (!ignore_toggle) {
 720
 721                 try {
 722                         _route->connect_input_ports_to_bundle (c, this);
 723                 }
 724
 725                 catch (AudioEngine::PortRegistrationFailure& err) {
 726                         error << _("could not register new ports required for that bundle")
 727                               << endmsg;
 728                 }
 729         }
 730 }
 731
 732 void
 733 MixerStrip::bundle_output_chosen (boost::shared_ptr<ARDOUR::Bundle> c)
 734 {
 735         if (!ignore_toggle) {
 736
 737                 try {
 738                         _route->connect_output_ports_to_bundle (c, this);
 739                 }
 740
 741                 catch (AudioEngine::PortRegistrationFailure& err) {
 742                         error << _("could not register new ports required for that bundle")
 743                               << endmsg;
 744                 }
 745         }
 746 }
 747
 748 void
 749 MixerStrip::add_bundle_to_input_menu (boost::shared_ptr<Bundle> b, std::vector<boost::shared_ptr<Bundle> > const & current)
 750 {
 751         using namespace Menu_Helpers;
 752
 753         /* the input menu needs to contain only output bundles (that we
 754            can connect inputs to */
 755         if (b->ports_are_outputs() == false) {
 756                 return;
 757         }
 758
 759         MenuList& citems = input_menu.items();
 760
 761         if (b->nchannels() == _route->n_inputs()) {
 762
 763                 citems.push_back (CheckMenuElem (b->name(), bind (mem_fun(*this, &MixerStrip::bundle_input_chosen), b)));
 764
 765                 if (std::find (current.begin(), current.end(), b) != current.end()) {
 766                         ignore_toggle = true;
 767                         dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
 768                         ignore_toggle = false;
 769                 }
 770         }
 771 }
 772
 773 void
 774 MixerStrip::add_bundle_to_output_menu (boost::shared_ptr<Bundle> b, std::vector<boost::shared_ptr<Bundle> > const & current)
 775 {
 776         using namespace Menu_Helpers;
 777
 778         /* the output menu needs to contain only input bundles (that we
 779            can connect outputs to */
 780         if (b->ports_are_inputs() == false) {
 781                 return;
 782         }
 783
 784         if (b->nchannels() == _route->n_outputs()) {
 785
 786                 MenuList& citems = output_menu.items();
 787                 citems.push_back (CheckMenuElem (b->name(), bind (mem_fun(*this, &MixerStrip::bundle_output_chosen), b)));
 788
 789                 if (std::find (current.begin(), current.end(), b) != current.end()) {
 790                         ignore_toggle = true;
 791                         dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
 792                         ignore_toggle = false;
 793                 }
 794         }
 795 }
 796
 797 void
 798 MixerStrip::update_diskstream_display ()
 799 {
 800         if (is_track()) {
 801
 802                 if (input_selector) {
 803                         input_selector->hide_all ();
 804                 }
 805
 806                 show_route_color ();
 807
 808         } else {
 809
 810                 show_passthru_color ();
 811         }
 812 }
 813
 814 void
 815 MixerStrip::connect_to_pan ()
 816 {
 817         ENSURE_GUI_THREAD(mem_fun(*this, &MixerStrip::connect_to_pan));
 818
 819         panstate_connection.disconnect ();
 820         panstyle_connection.disconnect ();
 821
 822                 boost::shared_ptr<ARDOUR::AutomationControl> pan_control
 823                         = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
 824                                 _route->panner().data().control(Evoral::Parameter( PanAutomation ) ));
 825
 826         if (pan_control) {
 827                 panstate_connection = pan_control->alist()->automation_state_changed.connect (mem_fun(panners, &PannerUI::pan_automation_state_changed));
 828                 panstyle_connection = pan_control->alist()->automation_style_changed.connect (mem_fun(panners, &PannerUI::pan_automation_style_changed));
 829         }
 830
 831         panners.pan_changed (this);
 832 }
 833
 834 void
 835 MixerStrip::update_input_display ()
 836 {
 837         std::vector<boost::shared_ptr<ARDOUR::Bundle> > c = _route->bundles_connected_to_inputs ();
 838
 839         /* XXX: how do we represent >1 connected bundle? */
 840         if (c.empty() == false) {
 841                 input_label.set_text (c[0]->name());
 842         } else {
 843                 switch (_width) {
 844                 case Wide:
 845                         input_label.set_text (_(" Input"));
 846                         break;
 847                 case Narrow:
 848                         input_label.set_text (_("I"));
 849                         break;
 850                 }
 851         }
 852         panners.setup_pan ();
 853 }
 854
 855 void
 856 MixerStrip::update_output_display ()
 857 {
 858         std::vector<boost::shared_ptr<ARDOUR::Bundle> > c = _route->bundles_connected_to_outputs ();
 859
 860         /* XXX: how do we represent >1 connected bundle? */
 861         if (c.empty() == false) {
 862                 output_label.set_text (c[0]->name());
 863         } else {
 864                 switch (_width) {
 865                 case Wide:
 866                         output_label.set_text (_("Output"));
 867                         break;
 868                 case Narrow:
 869                         output_label.set_text (_("O"));
 870                         break;
 871                 }
 872         }
 873
 874         gpm.setup_meters ();
 875         panners.setup_pan ();
 876 }
 877
 878 void
 879 MixerStrip::fast_update ()
 880 {
 881         gpm.update_meters ();
 882 }
 883
 884 void
 885 MixerStrip::diskstream_changed ()
 886 {
 887         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_diskstream_display));
 888 }
 889
 890 void
 891 MixerStrip::input_changed (IOChange change, void *src)
 892 {
 893         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_input_display));
 894         set_width(_width, this);
 895 }
 896
 897 void
 898 MixerStrip::output_changed (IOChange change, void *src)
 899 {
 900         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_output_display));
 901         set_width(_width, this);
 902 }
 903
 904
 905 void
 906 MixerStrip::comment_editor_done_editing()
 907 {
 908         string str =  comment_area->get_buffer()->get_text();
 909         if (_route->comment() != str) {
 910                 _route->set_comment (str, this);
 911
 912                 switch (_width) {
 913
 914                 case Wide:
 915                         if (! str.empty()) {
 916                                 comment_button.modify_bg (STATE_NORMAL, color());
 917                                 ((Gtk::Label*)comment_button.get_child())->set_text (_("*Comments*"));
 918                         } else {
 919                                 comment_button.unset_bg (STATE_NORMAL);
 920                                 ((Gtk::Label*)comment_button.get_child())->set_text (_("Comments"));
 921                         }
 922                         break;
 923
 924                 case Narrow:
 925                         if (! str.empty()) {
 926                                 comment_button.modify_bg (STATE_NORMAL, color());
 927                                 ((Gtk::Label*)comment_button.get_child())->set_text (_("*Cmt*"));
 928                         } else {
 929                                 comment_button.unset_bg (STATE_NORMAL);
 930                                 ((Gtk::Label*)comment_button.get_child())->set_text (_("Cmt"));
 931                         }
 932                         break;
 933                 }
 934
 935                 ARDOUR_UI::instance()->tooltips().set_tip (comment_button,
 936                                 str.empty() ? _("Click to Add/Edit Comments") : str);
 937         }
 938
 939 }
 940
 941 void
 942 MixerStrip::comment_button_clicked ()
 943 {
 944         if (comment_window == 0) {
 945                 setup_comment_editor ();
 946         }
 947
 948     int x, y, cw_width, cw_height;
 949
 950         if (comment_window->is_visible()) {
 951                 comment_window->hide ();
 952                 return;
 953         }
 954
 955         comment_window->get_size (cw_width, cw_height);
 956         comment_window->get_position(x, y);
 957         comment_window->move(x, y - (cw_height / 2) - 45);
 958         /*
 959            half the dialog height minus the comments button height
 960            with some window decoration fudge thrown in.
 961         */
 962
 963         comment_window->show();
 964         comment_window->present();
 965 }
 966
 967 void
 968 MixerStrip::setup_comment_editor ()
 969 {
 970         string title;
 971         title = _route->name();
 972         title += _(": comment editor");
 973
 974         comment_window = new ArdourDialog (title, false);
 975         comment_window->set_position (Gtk::WIN_POS_MOUSE);
 976         comment_window->set_skip_taskbar_hint (true);
 977         comment_window->signal_hide().connect (mem_fun(*this, &MixerStrip::comment_editor_done_editing));
 978
 979         comment_area = manage (new TextView());
 980         comment_area->set_name ("MixerTrackCommentArea");
 981         comment_area->set_size_request (110, 178);
 982         comment_area->set_wrap_mode (WRAP_WORD);
 983         comment_area->set_editable (true);
 984         comment_area->get_buffer()->set_text (_route->comment());
 985         comment_area->show ();
 986
 987         comment_window->get_vbox()->pack_start (*comment_area);
 988         comment_window->get_action_area()->hide();
 989 }
 990
 991 void
 992 MixerStrip::comment_changed (void *src)
 993 {
 994         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::comment_changed), src));
 995
 996         if (src != this) {
 997                 ignore_comment_edit = true;
 998                 if (comment_area) {
 999                         comment_area->get_buffer()->set_text (_route->comment());
1000                 }
1001                 ignore_comment_edit = false;
1002         }
1003 }
1004
1005 void
1006 MixerStrip::set_mix_group (RouteGroup *rg)
1007 {
1008         _route->set_mix_group (rg, this);
1009 }
1010
1011 void
1012 MixerStrip::add_mix_group_to_menu (RouteGroup *rg, RadioMenuItem::Group* group)
1013 {
1014         using namespace Menu_Helpers;
1015
1016         MenuList& items = group_menu->items();
1017
1018         items.push_back (RadioMenuElem (*group, rg->name(), bind (mem_fun(*this, &MixerStrip::set_mix_group), rg)));
1019
1020         if (_route->mix_group() == rg) {
1021                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
1022         }
1023 }
1024
1025 bool
1026 MixerStrip::select_mix_group (GdkEventButton *ev)
1027 {
1028         using namespace Menu_Helpers;
1029
1030         if (group_menu == 0) {
1031                 group_menu = new Menu;
1032         }
1033         group_menu->set_name ("ArdourContextMenu");
1034         MenuList& items = group_menu->items();
1035         RadioMenuItem::Group group;
1036
1037         switch (ev->button) {
1038         case 1:
1039
1040                 items.clear ();
1041                 items.push_back (RadioMenuElem (group, _("No group"), bind (mem_fun(*this, &MixerStrip::set_mix_group), (RouteGroup *) 0)));
1042
1043                 _session.foreach_mix_group (bind (mem_fun (*this, &MixerStrip::add_mix_group_to_menu), &group));
1044
1045                 group_menu->popup (1, ev->time);
1046                 break;
1047
1048         default:
1049                 break;
1050         }
1051
1052         return true;
1053 }
1054
1055 void
1056 MixerStrip::mix_group_changed (void *ignored)
1057 {
1058         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::mix_group_changed), ignored));
1059
1060         RouteGroup *rg = _route->mix_group();
1061
1062         if (rg) {
1063                 group_label.set_text (rg->name());
1064         } else {
1065                 switch (_width) {
1066                 case Wide:
1067                         group_label.set_text (_("Grp"));
1068                         break;
1069                 case Narrow:
1070                         group_label.set_text (_("~G"));
1071                         break;
1072                 }
1073         }
1074 }
1075
1076
1077 void
1078 MixerStrip::route_gui_changed (string what_changed, void* ignored)
1079 {
1080         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::route_gui_changed), what_changed, ignored));
1081
1082         if (what_changed == "color") {
1083                 if (set_color_from_route () == 0) {
1084                         show_route_color ();
1085                 }
1086         }
1087 }
1088
1089 void
1090 MixerStrip::show_route_color ()
1091 {
1092         name_button.modify_bg (STATE_NORMAL, color());
1093         top_event_box.modify_bg (STATE_NORMAL, color());
1094         route_active_changed ();
1095 }
1096
1097 void
1098 MixerStrip::show_passthru_color ()
1099 {
1100         route_active_changed ();
1101 }
1102
1103 void
1104 MixerStrip::build_route_ops_menu ()
1105 {
1106         using namespace Menu_Helpers;
1107         route_ops_menu = new Menu;
1108         route_ops_menu->set_name ("ArdourContextMenu");
1109
1110         MenuList& items = route_ops_menu->items();
1111
1112         items.push_back (MenuElem (_("Rename"), mem_fun(*this, &RouteUI::route_rename)));
1113         items.push_back (SeparatorElem());
1114         items.push_back (CheckMenuElem (_("Active"), mem_fun (*this, &RouteUI::toggle_route_active)));
1115         route_active_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
1116         route_active_menu_item->set_active (_route->active());
1117
1118         items.push_back (SeparatorElem());
1119
1120         items.push_back (MenuElem (_("Adjust latency"), mem_fun (*this, &RouteUI::adjust_latency)));
1121
1122         items.push_back (SeparatorElem());
1123         items.push_back (CheckMenuElem (_("Invert Polarity"), mem_fun (*this, &RouteUI::toggle_polarity)));
1124         polarity_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
1125         polarity_menu_item->set_active (_route->phase_invert());
1126         items.push_back (CheckMenuElem (_("Protect against denormals"), mem_fun (*this, &RouteUI::toggle_denormal_protection)));
1127         denormal_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
1128         denormal_menu_item->set_active (_route->denormal_protection());
1129
1130         if (!Profile->get_sae()) {
1131                 build_remote_control_menu ();
1132                 items.push_back (SeparatorElem());
1133                 items.push_back (MenuElem (_("Remote Control ID"), *remote_control_menu));
1134         }
1135
1136         items.push_back (SeparatorElem());
1137         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &RouteUI::remove_this_route)));
1138 }
1139
1140 gint
1141 MixerStrip::name_button_button_press (GdkEventButton* ev)
1142 {
1143         if (ev->button == 1 || ev->button == 3) {
1144                 list_route_operations ();
1145
1146                 Menu_Helpers::MenuList& items = route_ops_menu->items();
1147                 /* do not allow rename if the track is record-enabled */
1148                 static_cast<MenuItem*> (&items.front())->set_sensitive (!_route->record_enabled());
1149
1150                 route_ops_menu->popup (1, ev->time);
1151         }
1152         return FALSE;
1153 }
1154
1155 void
1156 MixerStrip::list_route_operations ()
1157 {
1158         if (route_ops_menu == 0) {
1159                 build_route_ops_menu ();
1160         }
1161
1162         refresh_remote_control_menu();
1163 }
1164
1165
1166 void
1167 MixerStrip::speed_adjustment_changed ()
1168 {
1169         /* since there is a usable speed adjustment, there has to be a diskstream */
1170         if (!ignore_speed_adjustment) {
1171                 get_diskstream()->set_speed (speed_adjustment.get_value());
1172         }
1173 }
1174
1175 void
1176 MixerStrip::speed_changed ()
1177 {
1178         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_speed_display));
1179 }
1180
1181 void
1182 MixerStrip::update_speed_display ()
1183 {
1184         float val;
1185
1186         val = get_diskstream()->speed();
1187
1188         if (val != 1.0) {
1189                 speed_spinner.set_name ("MixerStripSpeedBaseNotOne");
1190         } else {
1191                 speed_spinner.set_name ("MixerStripSpeedBase");
1192         }
1193
1194         if (speed_adjustment.get_value() != val) {
1195                 ignore_speed_adjustment = true;
1196                 speed_adjustment.set_value (val);
1197                 ignore_speed_adjustment = false;
1198         }
1199 }
1200
1201
1202 void
1203 MixerStrip::set_selected (bool yn)
1204 {
1205         AxisView::set_selected (yn);
1206         if (_selected) {
1207                 global_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
1208                 global_frame.set_name ("MixerStripSelectedFrame");
1209         } else {
1210                 global_frame.set_shadow_type (Gtk::SHADOW_IN);
1211                 global_frame.set_name ("MixerStripFrame");
1212         }
1213         global_frame.queue_draw ();
1214 }
1215
1216 void
1217 MixerStrip::name_changed ()
1218 {
1219         switch (_width) {
1220         case Wide:
1221                 RouteUI::name_changed ();
1222                 break;
1223         case Narrow:
1224                 name_label.set_text (PBD::short_version (_route->name(), 5));
1225                 break;
1226         }
1227         if (_route->phase_invert()) {
1228                 name_label.set_text (X_("Ø ") + name_label.get_text());
1229         }
1230 }
1231
1232 void
1233 MixerStrip::width_clicked ()
1234 {
1235         switch (_width) {
1236         case Wide:
1237                 set_width (Narrow, this);
1238                 break;
1239         case Narrow:
1240                 set_width (Wide, this);
1241                 break;
1242         }
1243 }
1244
1245 void
1246 MixerStrip::hide_clicked ()
1247 {
1248     // LAME fix to reset the button status for when it is redisplayed (part 1)
1249     hide_button.set_sensitive(false);
1250
1251         if (_embedded) {
1252                  Hiding(); /* EMIT_SIGNAL */
1253         } else {
1254                 _mixer.hide_strip (this);
1255         }
1256
1257     // (part 2)
1258         hide_button.set_sensitive(true);
1259 }
1260
1261 void
1262 MixerStrip::set_embedded (bool yn)
1263 {
1264         _embedded = yn;
1265 }
1266
1267 void
1268 MixerStrip::map_frozen ()
1269 {
1270         ENSURE_GUI_THREAD (mem_fun(*this, &MixerStrip::map_frozen));
1271
1272         boost::shared_ptr<AudioTrack> at = audio_track();
1273
1274         if (at) {
1275                 switch (at->freeze_state()) {
1276                 case AudioTrack::Frozen:
1277                         pre_processor_box.set_sensitive (false);
1278                         post_processor_box.set_sensitive (false);
1279                         speed_spinner.set_sensitive (false);
1280                         break;
1281                 default:
1282                         pre_processor_box.set_sensitive (true);
1283                         post_processor_box.set_sensitive (true);
1284                         speed_spinner.set_sensitive (true);
1285                         // XXX need some way, maybe, to retoggle redirect editors
1286                         break;
1287                 }
1288         }
1289
1290         hide_redirect_editors ();
1291 }
1292
1293 void
1294 MixerStrip::hide_redirect_editors ()
1295 {
1296         _route->foreach_processor (mem_fun (*this, &MixerStrip::hide_processor_editor));
1297 }
1298
1299 void
1300 MixerStrip::hide_processor_editor (boost::weak_ptr<Processor> p)
1301 {
1302         boost::shared_ptr<Processor> processor (p.lock ());
1303         if (!processor) {
1304                 return;
1305         }
1306
1307         void* gui = processor->get_gui ();
1308
1309         if (gui) {
1310                 static_cast<Gtk::Widget*>(gui)->hide ();
1311         }
1312 }
1313
1314 void
1315 MixerStrip::route_active_changed ()
1316 {
1317         RouteUI::route_active_changed ();
1318
1319         if (is_midi_track()) {
1320                 if (_route->active()) {
1321                         set_name ("MidiTrackStripBase");
1322                         gpm.set_meter_strip_name ("MidiTrackStripBase");
1323                 } else {
1324                         set_name ("MidiTrackStripBaseInactive");
1325                         gpm.set_meter_strip_name ("MidiTrackStripBaseInactive");
1326                 }
1327                 gpm.set_fader_name ("MidiTrackFader");
1328         } else if (is_audio_track()) {
1329                 if (_route->active()) {
1330                         set_name ("AudioTrackStripBase");
1331                         gpm.set_meter_strip_name ("AudioTrackMetrics");
1332                 } else {
1333                         set_name ("AudioTrackStripBaseInactive");
1334                         gpm.set_meter_strip_name ("AudioTrackMetricsInactive");
1335                 }
1336                 gpm.set_fader_name ("AudioTrackFader");
1337         } else {
1338                 if (_route->active()) {
1339                         set_name ("AudioBusStripBase");
1340                         gpm.set_meter_strip_name ("AudioBusMetrics");
1341                 } else {
1342                         set_name ("AudioBusStripBaseInactive");
1343                         gpm.set_meter_strip_name ("AudioBusMetricsInactive");
1344                 }
1345                 gpm.set_fader_name ("AudioBusFader");
1346
1347                 /* (no MIDI busses yet) */
1348         }
1349 }
1350
1351 RouteGroup*
1352 MixerStrip::mix_group() const
1353 {
1354         return _route->mix_group();
1355 }
1356
1357 void
1358 MixerStrip::engine_stopped ()
1359 {
1360 }
1361
1362 void
1363 MixerStrip::engine_running ()
1364 {
1365 }
1366
1367 void
1368 MixerStrip::meter_changed (void *src)
1369 {
1370
1371         ENSURE_GUI_THREAD (bind (mem_fun(*this, &MixerStrip::meter_changed), src));
1372
1373         switch (_route->meter_point()) {
1374         case MeterInput:
1375                 meter_point_label.set_text (_("input"));
1376                 break;
1377
1378         case MeterPreFader:
1379                 meter_point_label.set_text (_("pre"));
1380                 break;
1381
1382         case MeterPostFader:
1383                 meter_point_label.set_text (_("post"));
1384                 break;
1385         }
1386
1387         gpm.setup_meters ();
1388         // reset peak when meter point changes
1389         gpm.reset_peak_display();
1390         set_width(_width, this);
1391 }
1392