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 #include "pbd/replace_all.h"
  27
  28 #include <gtkmm2ext/gtk_ui.h>
  29 #include <gtkmm2ext/utils.h>
  30 #include <gtkmm2ext/choice.h>
  31 #include <gtkmm2ext/stop_signal.h>
  32 #include <gtkmm2ext/doi.h>
  33 #include <gtkmm2ext/slider_controller.h>
  34 #include <gtkmm2ext/bindable_button.h>
  35
  36 #include "ardour/ardour.h"
  37 #include "ardour/amp.h"
  38 #include "ardour/session.h"
  39 #include "ardour/audioengine.h"
  40 #include "ardour/route.h"
  41 #include "ardour/route_group.h"
  42 #include "ardour/audio_track.h"
  43 #include "ardour/audio_diskstream.h"
  44 #include "ardour/panner.h"
  45 #include "ardour/send.h"
  46 #include "ardour/processor.h"
  47 #include "ardour/profile.h"
  48 #include "ardour/ladspa_plugin.h"
  49 #include "ardour/user_bundle.h"
  50
  51 #include "ardour_ui.h"
  52 #include "ardour_dialog.h"
  53 #include "mixer_strip.h"
  54 #include "mixer_ui.h"
  55 #include "keyboard.h"
  56 #include "public_editor.h"
  57 #include "send_ui.h"
  58 #include "io_selector.h"
  59 #include "utils.h"
  60 #include "gui_thread.h"
  61
  62 #include "i18n.h"
  63
  64 using namespace sigc;
  65 using namespace ARDOUR;
  66 using namespace PBD;
  67 using namespace Gtk;
  68 using namespace Gtkmm2ext;
  69 using namespace std;
  70
  71 sigc::signal<void,boost::shared_ptr<Route> > MixerStrip::SwitchIO;
  72
  73 int MixerStrip::scrollbar_height = 0;
  74
  75 MixerStrip::MixerStrip (Mixer_UI& mx, Session& sess, bool in_mixer)
  76         : AxisView(sess)
  77         , RouteUI (sess, _("Mute"), _("Solo"), _("Record"))
  78         ,_mixer(mx)
  79         , _mixer_owned (in_mixer)
  80         , pre_processor_box (PreFader, sess, mx.plugin_selector(), mx.selection(), this, in_mixer)
  81         , post_processor_box (PostFader, sess, mx.plugin_selector(), mx.selection(), this, in_mixer)
  82         , gpm (sess)
  83         , panners (sess)
  84         , button_table (3, 2)
  85         , middle_button_table (1, 2)
  86         , bottom_button_table (1, 2)
  87         , meter_point_label (_("pre"))
  88         , comment_button (_("Comments"))
  89
  90 {
  91         init ();
  92
  93         if (!_mixer_owned) {
  94                 /* the editor mixer strip: don't destroy it every time
  95                    the underlying route goes away.
  96                 */
  97
  98                 self_destruct = false;
  99         }
 100 }
 101
 102 MixerStrip::MixerStrip (Mixer_UI& mx, Session& sess, boost::shared_ptr<Route> rt, bool in_mixer)
 103         : AxisView(sess)
 104         , RouteUI (sess, _("Mute"), _("Solo"), _("Record"))
 105         ,_mixer(mx)
 106         , _mixer_owned (in_mixer)
 107         , pre_processor_box (PreFader, sess, mx.plugin_selector(), mx.selection(), this, in_mixer)
 108         , post_processor_box (PostFader, sess, mx.plugin_selector(), mx.selection(), this, in_mixer)
 109         , gpm (sess)
 110         , panners (sess)
 111         , button_table (3, 2)
 112         , middle_button_table (1, 2)
 113         , bottom_button_table (1, 2)
 114         , meter_point_label (_("pre"))
 115         , comment_button (_("Comments"))
 116
 117 {
 118         init ();
 119         set_route (rt);
 120 }
 121
 122 void
 123 MixerStrip::init ()
 124 {
 125         input_selector = 0;
 126         output_selector = 0;
 127         group_menu = 0;
 128         _marked_for_display = false;
 129         route_ops_menu = 0;
 130         ignore_comment_edit = false;
 131         ignore_toggle = false;
 132         comment_window = 0;
 133         comment_area = 0;
 134         _width_owner = 0;
 135         spacer = 0;
 136
 137         Gtk::Image* img;
 138
 139         img = manage (new Gtk::Image (::get_icon("strip_width")));
 140         img->show ();
 141
 142         width_button.add (*img);
 143
 144         img = manage (new Gtk::Image (::get_icon("hide")));
 145         img->show ();
 146
 147         hide_button.add (*img);
 148
 149         input_label.set_text (_("Input"));
 150         ARDOUR_UI::instance()->set_tip (&input_button, _("Button 1 to choose inputs from a port matrix, button 3 to select inputs from a menu"), "");
 151         input_button.add (input_label);
 152         input_button.set_name ("MixerIOButton");
 153         input_label.set_name ("MixerIOButtonLabel");
 154         Gtkmm2ext::set_size_request_to_display_given_text (input_button, "longest label", 4, 4);
 155
 156         output_label.set_text (_("Output"));
 157         ARDOUR_UI::instance()->set_tip (&output_button, _("Button 1 to choose outputs from a port matrix, button 3 to select inputs from a menu"), "");
 158         output_button.add (output_label);
 159         output_button.set_name ("MixerIOButton");
 160         output_label.set_name ("MixerIOButtonLabel");
 161         Gtkmm2ext::set_size_request_to_display_given_text (output_button, "longest label", 4, 4);
 162
 163         ARDOUR_UI::instance()->set_tip (&meter_point_button, _("Select metering point"), "");
 164         meter_point_button.add (meter_point_label);
 165         meter_point_button.set_name ("MixerStripMeterPreButton");
 166         meter_point_label.set_name ("MixerStripMeterPreButton");
 167
 168         /* TRANSLATORS: this string should be longest of the strings
 169            used to describe meter points. In english, it's "input".
 170         */
 171         set_size_request_to_display_given_text (meter_point_button, _("tupni"), 5, 5);
 172
 173         bottom_button_table.attach (meter_point_button, 1, 2, 0, 1);
 174
 175         meter_point_button.signal_button_press_event().connect (mem_fun (gpm, &GainMeter::meter_press), false);
 176         /* XXX what is this meant to do? */
 177         //meter_point_button.signal_button_release_event().connect (mem_fun (gpm, &GainMeter::meter_release), false);
 178
 179         hide_button.set_events (hide_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
 180
 181         mute_button->set_name ("MixerMuteButton");
 182         solo_button->set_name ("MixerSoloButton");
 183
 184         button_table.set_homogeneous (true);
 185         button_table.set_spacings (0);
 186
 187         button_table.attach (name_button, 0, 2, 0, 1);
 188         button_table.attach (input_button, 0, 2, 1, 2);
 189
 190         middle_button_table.set_homogeneous (true);
 191         middle_button_table.set_spacings (0);
 192         middle_button_table.attach (*mute_button, 0, 1, 0, 1);
 193         middle_button_table.attach (*solo_button, 1, 2, 0, 1);
 194
 195         bottom_button_table.set_col_spacings (0);
 196         bottom_button_table.set_homogeneous (true);
 197         bottom_button_table.attach (group_button, 0, 1, 0, 1);
 198
 199         name_button.add (name_label);
 200         name_button.set_name ("MixerNameButton");
 201         Gtkmm2ext::set_size_request_to_display_given_text (name_button, "longest label", 2, 2);
 202
 203         name_label.set_name ("MixerNameButtonLabel");
 204         ARDOUR_UI::instance()->set_tip (&group_button, _("Mix group"), "");
 205         group_button.add (group_label);
 206         group_button.set_name ("MixerGroupButton");
 207         group_label.set_name ("MixerGroupButtonLabel");
 208
 209         comment_button.set_name ("MixerCommentButton");
 210
 211         comment_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::comment_button_clicked));
 212
 213         global_vpacker.set_border_width (0);
 214         global_vpacker.set_spacing (0);
 215
 216         width_button.set_name ("MixerWidthButton");
 217         hide_button.set_name ("MixerHideButton");
 218         top_event_box.set_name ("MixerTopEventBox");
 219
 220         width_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::width_clicked));
 221         hide_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::hide_clicked));
 222
 223         width_hide_box.pack_start (width_button, false, true);
 224         width_hide_box.pack_start (top_event_box, true, true);
 225         width_hide_box.pack_end (hide_button, false, true);
 226         gain_meter_alignment.set_padding(0, 4, 0, 0);
 227         gain_meter_alignment.add(gpm);
 228
 229         whvbox.pack_start (width_hide_box, true, true);
 230
 231         global_vpacker.pack_start (whvbox, Gtk::PACK_SHRINK);
 232         global_vpacker.pack_start (button_table,Gtk::PACK_SHRINK);
 233         global_vpacker.pack_start (pre_processor_box, true, true);
 234         global_vpacker.pack_start (middle_button_table,Gtk::PACK_SHRINK);
 235         global_vpacker.pack_start (gain_meter_alignment,Gtk::PACK_SHRINK);
 236         global_vpacker.pack_start (bottom_button_table,Gtk::PACK_SHRINK);
 237         global_vpacker.pack_start (post_processor_box, true, true);
 238         if (!is_midi_track()) {
 239                 global_vpacker.pack_start (panners, Gtk::PACK_SHRINK);
 240         }
 241         global_vpacker.pack_start (output_button, Gtk::PACK_SHRINK);
 242         global_vpacker.pack_start (comment_button, Gtk::PACK_SHRINK);
 243
 244         global_frame.add (global_vpacker);
 245         global_frame.set_shadow_type (Gtk::SHADOW_IN);
 246         global_frame.set_name ("BaseFrame");
 247
 248         add (global_frame);
 249
 250         /* force setting of visible selected status */
 251
 252         _selected = true;
 253         set_selected (false);
 254
 255         _packed = false;
 256         _embedded = false;
 257
 258         _session.engine().Stopped.connect (mem_fun(*this, &MixerStrip::engine_stopped));
 259         _session.engine().Running.connect (mem_fun(*this, &MixerStrip::engine_running));
 260
 261         input_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::input_press), false);
 262         output_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::output_press), false);
 263
 264         solo_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::solo_press), false);
 265         solo_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::solo_release), false);
 266         mute_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::mute_press), false);
 267         mute_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::mute_release), false);
 268
 269         /* we don't need this if its not an audio track, but we don't know that yet and it doesn't
 270            hurt (much).
 271         */
 272
 273         rec_enable_button->set_name ("MixerRecordEnableButton");
 274         rec_enable_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::rec_enable_press), false);
 275         rec_enable_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::rec_enable_release));
 276
 277         /* ditto for this button and busses */
 278
 279         show_sends_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::show_sends_press), false);
 280         show_sends_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::show_sends_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         SwitchIO.connect (mem_fun (*this, &MixerStrip::switch_io));
 303
 304 }
 305
 306 MixerStrip::~MixerStrip ()
 307 {
 308         GoingAway(); /* EMIT_SIGNAL */
 309
 310         delete input_selector;
 311         delete output_selector;
 312 }
 313
 314 void
 315 MixerStrip::set_route (boost::shared_ptr<Route> rt)
 316 {
 317         if (rec_enable_button->get_parent()) {
 318                 button_table.remove (*rec_enable_button);
 319         }
 320
 321         if (show_sends_button->get_parent()) {
 322                 button_table.remove (*show_sends_button);
 323         }
 324
 325         RouteUI::set_route (rt);
 326
 327         delete input_selector;
 328         input_selector = 0;
 329
 330         delete output_selector;
 331         output_selector = 0;
 332
 333         boost::shared_ptr<Send> send;
 334
 335         if (_current_delivery && (send = boost::dynamic_pointer_cast<Send>(_current_delivery))) {
 336                 send->set_metering (false);
 337         }
 338
 339         _current_delivery = _route->main_outs ();
 340
 341         panners.set_panner (rt->main_outs()->panner());
 342         gpm.set_controls (rt, rt->shared_peak_meter(), rt->gain_control(), rt->amp());
 343         pre_processor_box.set_route (rt);
 344         post_processor_box.set_route (rt);
 345
 346         if (set_color_from_route()) {
 347                 set_color (unique_random_color());
 348         }
 349
 350         if (_mixer_owned && (route()->is_master() || route()->is_control())) {
 351
 352                 if (scrollbar_height == 0) {
 353                         HScrollbar scrollbar;
 354                         Gtk::Requisition requisition(scrollbar.size_request ());
 355                         scrollbar_height = requisition.height;
 356                 }
 357
 358                 spacer = manage (new EventBox);
 359                 spacer->set_size_request (-1, scrollbar_height);
 360                 global_vpacker.pack_start (*spacer, false, false);
 361         }
 362
 363         if (is_audio_track()) {
 364
 365                 boost::shared_ptr<AudioTrack> at = audio_track();
 366
 367                 connections.push_back (at->FreezeChange.connect (mem_fun(*this, &MixerStrip::map_frozen)));
 368
 369                 button_table.attach (*rec_enable_button, 0, 2, 2, 3);
 370                 rec_enable_button->show();
 371
 372         } else if (!is_track()) {
 373                 /* non-master bus */
 374
 375                 if (!_route->is_master()) {
 376                         button_table.attach (*show_sends_button, 0, 2, 2, 3);
 377                         show_sends_button->show();
 378                 }
 379         }
 380
 381         if (_route->phase_invert()) {
 382                 name_label.set_text (X_("Ø ") + name_label.get_text());
 383         } else {
 384                 name_label.set_text (_route->name());
 385         }
 386
 387         switch (_route->meter_point()) {
 388         case MeterInput:
 389                 meter_point_label.set_text (_("input"));
 390                 break;
 391
 392         case MeterPreFader:
 393                 meter_point_label.set_text (_("pre"));
 394                 break;
 395
 396         case MeterPostFader:
 397                 meter_point_label.set_text (_("post"));
 398                 break;
 399         }
 400
 401         delete route_ops_menu;
 402         route_ops_menu = 0;
 403
 404         ARDOUR_UI::instance()->tooltips().set_tip (comment_button, _route->comment().empty() ?
 405                                                    _("Click to Add/Edit Comments"):
 406                                                    _route->comment());
 407
 408         connections.push_back (_route->meter_change.connect (
 409                         mem_fun(*this, &MixerStrip::meter_changed)));
 410         connections.push_back (_route->input()->changed.connect (
 411                         mem_fun(*this, &MixerStrip::input_changed)));
 412         connections.push_back (_route->output()->changed.connect (
 413                         mem_fun(*this, &MixerStrip::output_changed)));
 414         connections.push_back (_route->mix_group_changed.connect (
 415                         mem_fun(*this, &MixerStrip::mix_group_changed)));
 416
 417         if (_route->panner()) {
 418                 connections.push_back (_route->panner()->Changed.connect (
 419                         mem_fun(*this, &MixerStrip::connect_to_pan)));
 420         }
 421
 422         if (is_audio_track()) {
 423                 connections.push_back (audio_track()->DiskstreamChanged.connect (
 424                         mem_fun(*this, &MixerStrip::diskstream_changed)));
 425         }
 426
 427         connections.push_back (_route->NameChanged.connect (
 428                         mem_fun(*this, &RouteUI::name_changed)));
 429         connections.push_back (_route->comment_changed.connect (
 430                         mem_fun(*this, &MixerStrip::comment_changed)));
 431         connections.push_back (_route->gui_changed.connect (
 432                         mem_fun(*this, &MixerStrip::route_gui_changed)));
 433
 434         set_stuff_from_route ();
 435
 436         /* now force an update of all the various elements */
 437
 438         pre_processor_box.update();
 439         post_processor_box.update();
 440         mute_changed (0);
 441         solo_changed (0);
 442         name_changed ();
 443         comment_changed (0);
 444         mix_group_changed (0);
 445
 446         connect_to_pan ();
 447
 448         panners.setup_pan ();
 449
 450         update_diskstream_display ();
 451         update_input_display ();
 452         update_output_display ();
 453
 454         add_events (Gdk::BUTTON_RELEASE_MASK);
 455
 456         pre_processor_box.show();
 457
 458         if (!route()->is_master() && !route()->is_control()) {
 459                 /* we don't allow master or control routes to be hidden */
 460                 hide_button.show();
 461         }
 462
 463         width_button.show();
 464         width_hide_box.show();
 465         whvbox.show ();
 466         global_frame.show();
 467         global_vpacker.show();
 468         button_table.show();
 469         middle_button_table.show();
 470         bottom_button_table.show();
 471         pre_processor_box.show_all ();
 472         gpm.show_all ();
 473         panners.show_all ();
 474         gain_meter_alignment.show ();
 475         post_processor_box.show_all ();
 476         gain_unit_button.show();
 477         gain_unit_label.show();
 478         meter_point_button.show();
 479         meter_point_label.show();
 480         diskstream_button.show();
 481         diskstream_label.show();
 482         input_button.show();
 483         input_label.show();
 484         output_button.show();
 485         output_label.show();
 486         name_label.show();
 487         name_button.show();
 488         comment_button.show();
 489         group_button.show();
 490         group_label.show();
 491
 492         show ();
 493 }
 494
 495 void
 496 MixerStrip::set_stuff_from_route ()
 497 {
 498         XMLProperty *prop;
 499
 500         ensure_xml_node ();
 501
 502         /* if width is not set, it will be set by the MixerUI or editor */
 503
 504         if ((prop = xml_node->property ("strip-width")) != 0) {
 505                 set_width (Width (string_2_enum (prop->value(), _width)), this);
 506         }
 507
 508         if ((prop = xml_node->property ("shown-mixer")) != 0) {
 509                 if (prop->value() == "no") {
 510                         _marked_for_display = false;
 511                 } else {
 512                         _marked_for_display = true;
 513                 }
 514         } else {
 515                 /* backwards compatibility */
 516                 _marked_for_display = true;
 517         }
 518 }
 519
 520 void
 521 MixerStrip::set_width (Width w, void* owner)
 522 {
 523         /* always set the gpm width again, things may be hidden */
 524
 525         gpm.set_width (w);
 526         panners.set_width (w);
 527         pre_processor_box.set_width (w);
 528         post_processor_box.set_width (w);
 529
 530         boost::shared_ptr<AutomationList> gain_automation = _route->gain_control()->alist();
 531
 532         _width_owner = owner;
 533
 534         ensure_xml_node ();
 535
 536         _width = w;
 537
 538         if (_width_owner == this) {
 539                 xml_node->add_property ("strip-width", enum_2_string (_width));
 540         }
 541
 542         switch (w) {
 543         case Wide:
 544
 545                 if (rec_enable_button)  {
 546                         ((Gtk::Label*)rec_enable_button->get_child())->set_text (_("Record"));
 547                 }
 548                 if (show_sends_button)  {
 549                         ((Gtk::Label*)show_sends_button->get_child())->set_text (_("Sends"));
 550                 }
 551                 ((Gtk::Label*)mute_button->get_child())->set_text  (_("Mute"));
 552                 ((Gtk::Label*)solo_button->get_child())->set_text (_("Solo"));
 553
 554                 if (_route->comment() == "") {
 555                         comment_button.unset_bg (STATE_NORMAL);
 556                         ((Gtk::Label*)comment_button.get_child())->set_text (_("Comments"));
 557                 } else {
 558                         comment_button.modify_bg (STATE_NORMAL, color());
 559                         ((Gtk::Label*)comment_button.get_child())->set_text (_("*Comments*"));
 560                 }
 561
 562                 ((Gtk::Label*)gpm.gain_automation_style_button.get_child())->set_text (
 563                                 gpm.astyle_string(gain_automation->automation_style()));
 564                 ((Gtk::Label*)gpm.gain_automation_state_button.get_child())->set_text (
 565                                 gpm.astate_string(gain_automation->automation_state()));
 566
 567                 if (_route->panner()) {
 568                         ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (
 569                                         panners.astyle_string(_route->panner()->automation_style()));
 570                         ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (
 571                                         panners.astate_string(_route->panner()->automation_state()));
 572                 }
 573
 574                 Gtkmm2ext::set_size_request_to_display_given_text (name_button, "long", 2, 2);
 575                 set_size_request (-1, -1);
 576                 break;
 577
 578         case Narrow:
 579                 if (rec_enable_button) {
 580                         ((Gtk::Label*)rec_enable_button->get_child())->set_text (_("Rec"));
 581                 }
 582                 if (show_sends_button) {
 583                         ((Gtk::Label*)show_sends_button->get_child())->set_text (_("Snd"));
 584                 }
 585                 ((Gtk::Label*)mute_button->get_child())->set_text (_("M"));
 586                 ((Gtk::Label*)solo_button->get_child())->set_text (_("S"));
 587
 588                 if (_route->comment() == "") {
 589                        comment_button.unset_bg (STATE_NORMAL);
 590                        ((Gtk::Label*)comment_button.get_child())->set_text (_("Cmt"));
 591                 } else {
 592                        comment_button.modify_bg (STATE_NORMAL, color());
 593                        ((Gtk::Label*)comment_button.get_child())->set_text (_("*Cmt*"));
 594                 }
 595
 596                 ((Gtk::Label*)gpm.gain_automation_style_button.get_child())->set_text (
 597                                 gpm.short_astyle_string(gain_automation->automation_style()));
 598                 ((Gtk::Label*)gpm.gain_automation_state_button.get_child())->set_text (
 599                                 gpm.short_astate_string(gain_automation->automation_state()));
 600
 601                 if (_route->panner()) {
 602                         ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (
 603                         panners.short_astyle_string(_route->panner()->automation_style()));
 604                         ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (
 605                         panners.short_astate_string(_route->panner()->automation_state()));
 606                 }
 607
 608                 Gtkmm2ext::set_size_request_to_display_given_text (name_button, "longest label", 2, 2);
 609                 set_size_request (max (50, gpm.get_gm_width()), -1);
 610                 break;
 611         }
 612         update_input_display ();
 613         update_output_display ();
 614         mix_group_changed (0);
 615         name_changed ();
 616 #ifdef GTKOSX
 617         WidthChanged();
 618 #endif
 619 }
 620
 621 void
 622 MixerStrip::set_packed (bool yn)
 623 {
 624         _packed = yn;
 625
 626         ensure_xml_node ();
 627
 628         if (_packed) {
 629                 xml_node->add_property ("shown-mixer", "yes");
 630         } else {
 631                 xml_node->add_property ("shown-mixer", "no");
 632         }
 633 }
 634
 635
 636 gint
 637 MixerStrip::output_press (GdkEventButton *ev)
 638 {
 639         using namespace Menu_Helpers;
 640         if (!_session.engine().connected()) {
 641                 MessageDialog msg (_("Not connected to JACK - no I/O changes are possible"));
 642                 msg.run ();
 643                 return true;
 644         }
 645
 646         MenuList& citems = output_menu.items();
 647         switch (ev->button) {
 648
 649         case 1:
 650                 edit_output_configuration ();
 651                 break;
 652
 653         case 3:
 654         {
 655                 output_menu.set_name ("ArdourContextMenu");
 656                 citems.clear();
 657
 658                 citems.push_back (MenuElem (_("Disconnect"), mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_output)));
 659                 citems.push_back (SeparatorElem());
 660
 661                 ARDOUR::BundleList current = _route->output()->bundles_connected ();
 662
 663                 boost::shared_ptr<ARDOUR::BundleList> b = _session.bundles ();
 664                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 665                         maybe_add_bundle_to_output_menu (*i, current);
 666                 }
 667
 668                 boost::shared_ptr<ARDOUR::RouteList> routes = _session.get_routes ();
 669                 for (ARDOUR::RouteList::const_iterator i = routes->begin(); i != routes->end(); ++i) {
 670                         maybe_add_bundle_to_output_menu ((*i)->input()->bundle(), current);
 671                 }
 672
 673                 if (citems.size() == 2) {
 674                         /* no routes added; remove the separator */
 675                         citems.pop_back ();
 676                 }
 677
 678                 output_menu.popup (1, ev->time);
 679                 break;
 680         }
 681
 682         default:
 683                 break;
 684         }
 685         return TRUE;
 686 }
 687
 688 void
 689 MixerStrip::edit_output_configuration ()
 690 {
 691         if (output_selector == 0) {
 692                 output_selector = new IOSelectorWindow (_session, _route->output());
 693         }
 694
 695         if (output_selector->is_visible()) {
 696                 output_selector->get_toplevel()->get_window()->raise();
 697         } else {
 698                 output_selector->present ();
 699         }
 700 }
 701
 702 void
 703 MixerStrip::edit_input_configuration ()
 704 {
 705         if (input_selector == 0) {
 706                 input_selector = new IOSelectorWindow (_session, _route->input());
 707         }
 708
 709         if (input_selector->is_visible()) {
 710                 input_selector->get_toplevel()->get_window()->raise();
 711         } else {
 712                 input_selector->present ();
 713         }
 714 }
 715
 716 gint
 717 MixerStrip::input_press (GdkEventButton *ev)
 718 {
 719         using namespace Menu_Helpers;
 720
 721         MenuList& citems = input_menu.items();
 722         input_menu.set_name ("ArdourContextMenu");
 723         citems.clear();
 724
 725         if (!_session.engine().connected()) {
 726                 MessageDialog msg (_("Not connected to JACK - no I/O changes are possible"));
 727                 msg.run ();
 728                 return true;
 729         }
 730
 731         switch (ev->button) {
 732
 733         case 1:
 734                 edit_input_configuration ();
 735                 break;
 736
 737         case 3:
 738         {
 739                 citems.push_back (MenuElem (_("Disconnect"), mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_input)));
 740                 citems.push_back (SeparatorElem());
 741
 742                 ARDOUR::BundleList current = _route->input()->bundles_connected ();
 743
 744                 boost::shared_ptr<ARDOUR::BundleList> b = _session.bundles ();
 745                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
 746                         maybe_add_bundle_to_input_menu (*i, current);
 747                 }
 748
 749                 boost::shared_ptr<ARDOUR::RouteList> routes = _session.get_routes ();
 750                 for (ARDOUR::RouteList::const_iterator i = routes->begin(); i != routes->end(); ++i) {
 751                         maybe_add_bundle_to_input_menu ((*i)->output()->bundle(), current);
 752                 }
 753
 754                 if (citems.size() == 2) {
 755                         /* no routes added; remove the separator */
 756                         citems.pop_back ();
 757                 }
 758
 759                 input_menu.popup (1, ev->time);
 760                 break;
 761         }
 762         default:
 763                 break;
 764         }
 765         return TRUE;
 766 }
 767
 768 void
 769 MixerStrip::bundle_input_toggled (boost::shared_ptr<ARDOUR::Bundle> c)
 770 {
 771         if (ignore_toggle) {
 772                 return;
 773         }
 774
 775         ARDOUR::BundleList current = _route->input()->bundles_connected ();
 776
 777         if (std::find (current.begin(), current.end(), c) == current.end()) {
 778                 _route->input()->connect_ports_to_bundle (c, this);
 779         } else {
 780                 _route->input()->disconnect_ports_from_bundle (c, this);
 781         }
 782 }
 783
 784 void
 785 MixerStrip::bundle_output_toggled (boost::shared_ptr<ARDOUR::Bundle> c)
 786 {
 787         if (ignore_toggle) {
 788                 return;
 789         }
 790
 791         ARDOUR::BundleList current = _route->output()->bundles_connected ();
 792
 793         if (std::find (current.begin(), current.end(), c) == current.end()) {
 794                 _route->output()->connect_ports_to_bundle (c, this);
 795         } else {
 796                 _route->output()->disconnect_ports_from_bundle (c, this);
 797         }
 798 }
 799
 800 void
 801 MixerStrip::maybe_add_bundle_to_input_menu (boost::shared_ptr<Bundle> b, ARDOUR::BundleList const & current)
 802 {
 803         using namespace Menu_Helpers;
 804
 805         if (b->ports_are_outputs() == false ||
 806             route()->input()->default_type() != b->type() ||
 807             b->nchannels() != _route->n_inputs().get (b->type ())) {
 808
 809                 return;
 810         }
 811
 812         MenuList& citems = input_menu.items();
 813
 814         std::string n = b->name ();
 815         replace_all (n, "_", " ");
 816
 817         citems.push_back (CheckMenuElem (n, bind (mem_fun(*this, &MixerStrip::bundle_input_toggled), b)));
 818
 819         if (std::find (current.begin(), current.end(), b) != current.end()) {
 820                 ignore_toggle = true;
 821                 dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
 822                 ignore_toggle = false;
 823         }
 824 }
 825
 826 void
 827 MixerStrip::maybe_add_bundle_to_output_menu (boost::shared_ptr<Bundle> b, ARDOUR::BundleList const & current)
 828 {
 829         using namespace Menu_Helpers;
 830
 831         if (b->ports_are_inputs() == false ||
 832             route()->output()->default_type() != b->type() ||
 833             b->nchannels() != _route->n_outputs().get (b->type ())) {
 834
 835                 return;
 836         }
 837
 838         MenuList& citems = output_menu.items();
 839
 840         std::string n = b->name ();
 841         replace_all (n, "_", " ");
 842
 843         citems.push_back (CheckMenuElem (n, bind (mem_fun(*this, &MixerStrip::bundle_output_toggled), b)));
 844
 845         if (std::find (current.begin(), current.end(), b) != current.end()) {
 846                 ignore_toggle = true;
 847                 dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
 848                 ignore_toggle = false;
 849         }
 850 }
 851
 852 void
 853 MixerStrip::update_diskstream_display ()
 854 {
 855         if (is_track()) {
 856
 857                 if (input_selector) {
 858                         input_selector->hide_all ();
 859                 }
 860
 861                 show_route_color ();
 862
 863         } else {
 864
 865                 show_passthru_color ();
 866         }
 867 }
 868
 869 void
 870 MixerStrip::connect_to_pan ()
 871 {
 872         ENSURE_GUI_THREAD(mem_fun(*this, &MixerStrip::connect_to_pan));
 873
 874         panstate_connection.disconnect ();
 875         panstyle_connection.disconnect ();
 876
 877         if (!_route->panner()) {
 878                 return;
 879         }
 880
 881         boost::shared_ptr<ARDOUR::AutomationControl> pan_control
 882                 = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
 883                                 _route->panner()->data().control(Evoral::Parameter(PanAutomation)));
 884
 885         if (pan_control) {
 886                 panstate_connection = pan_control->alist()->automation_state_changed.connect (mem_fun(panners, &PannerUI::pan_automation_state_changed));
 887                 panstyle_connection = pan_control->alist()->automation_style_changed.connect (mem_fun(panners, &PannerUI::pan_automation_style_changed));
 888         }
 889
 890         panners.pan_changed (this);
 891 }
 892
 893 void
 894 MixerStrip::update_input_display ()
 895 {
 896         ARDOUR::BundleList const c = _route->input()->bundles_connected();
 897
 898         if (c.size() > 1) {
 899                 input_label.set_text (_("Inputs"));
 900         } else if (c.size() == 1) {
 901                 input_label.set_text (c[0]->name ());
 902         } else {
 903                 switch (_width) {
 904                 case Wide:
 905                         input_label.set_text (_(" Input"));
 906                         break;
 907                 case Narrow:
 908                         input_label.set_text (_("I"));
 909                         break;
 910                 }
 911         }
 912         panners.setup_pan ();
 913 }
 914
 915 void
 916 MixerStrip::update_output_display ()
 917 {
 918         ARDOUR::BundleList const c = _route->output()->bundles_connected ();
 919
 920         /* XXX: how do we represent >1 connected bundle? */
 921         if (c.size() > 1) {
 922                 output_label.set_text (_("Outputs"));
 923         } else if (c.size() == 1) {
 924                 output_label.set_text (c[0]->name());
 925         } else {
 926                 switch (_width) {
 927                 case Wide:
 928                         output_label.set_text (_("Output"));
 929                         break;
 930                 case Narrow:
 931                         output_label.set_text (_("O"));
 932                         break;
 933                 }
 934         }
 935
 936         gpm.setup_meters ();
 937         panners.setup_pan ();
 938 }
 939
 940 void
 941 MixerStrip::fast_update ()
 942 {
 943         gpm.update_meters ();
 944 }
 945
 946 void
 947 MixerStrip::diskstream_changed ()
 948 {
 949         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_diskstream_display));
 950 }
 951
 952 void
 953 MixerStrip::input_changed (IOChange change, void *src)
 954 {
 955         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_input_display));
 956         set_width(_width, this);
 957 }
 958
 959 void
 960 MixerStrip::output_changed (IOChange change, void *src)
 961 {
 962         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_output_display));
 963         set_width(_width, this);
 964 }
 965
 966
 967 void
 968 MixerStrip::comment_editor_done_editing()
 969 {
 970         string str =  comment_area->get_buffer()->get_text();
 971         if (_route->comment() != str) {
 972                 _route->set_comment (str, this);
 973
 974                 switch (_width) {
 975
 976                 case Wide:
 977                         if (! str.empty()) {
 978                                 comment_button.modify_bg (STATE_NORMAL, color());
 979                                 ((Gtk::Label*)comment_button.get_child())->set_text (_("*Comments*"));
 980                         } else {
 981                                 comment_button.unset_bg (STATE_NORMAL);
 982                                 ((Gtk::Label*)comment_button.get_child())->set_text (_("Comments"));
 983                         }
 984                         break;
 985
 986                 case Narrow:
 987                         if (! str.empty()) {
 988                                 comment_button.modify_bg (STATE_NORMAL, color());
 989                                 ((Gtk::Label*)comment_button.get_child())->set_text (_("*Cmt*"));
 990                         } else {
 991                                 comment_button.unset_bg (STATE_NORMAL);
 992                                 ((Gtk::Label*)comment_button.get_child())->set_text (_("Cmt"));
 993                         }
 994                         break;
 995                 }
 996
 997                 ARDOUR_UI::instance()->tooltips().set_tip (comment_button,
 998                                 str.empty() ? _("Click to Add/Edit Comments") : str);
 999         }
1000
1001 }
1002
1003 void
1004 MixerStrip::comment_button_clicked ()
1005 {
1006         if (comment_window == 0) {
1007                 setup_comment_editor ();
1008         }
1009
1010     int x, y, cw_width, cw_height;
1011
1012         if (comment_window->is_visible()) {
1013                 comment_window->hide ();
1014                 return;
1015         }
1016
1017         comment_window->get_size (cw_width, cw_height);
1018         comment_window->get_position(x, y);
1019         comment_window->move(x, y - (cw_height / 2) - 45);
1020         /*
1021            half the dialog height minus the comments button height
1022            with some window decoration fudge thrown in.
1023         */
1024
1025         comment_window->show();
1026         comment_window->present();
1027 }
1028
1029 void
1030 MixerStrip::setup_comment_editor ()
1031 {
1032         string title;
1033         title = _route->name();
1034         title += _(": comment editor");
1035
1036         comment_window = new ArdourDialog (title, false);
1037         comment_window->set_position (Gtk::WIN_POS_MOUSE);
1038         comment_window->set_skip_taskbar_hint (true);
1039         comment_window->signal_hide().connect (mem_fun(*this, &MixerStrip::comment_editor_done_editing));
1040
1041         comment_area = manage (new TextView());
1042         comment_area->set_name ("MixerTrackCommentArea");
1043         comment_area->set_size_request (110, 178);
1044         comment_area->set_wrap_mode (WRAP_WORD);
1045         comment_area->set_editable (true);
1046         comment_area->get_buffer()->set_text (_route->comment());
1047         comment_area->show ();
1048
1049         comment_window->get_vbox()->pack_start (*comment_area);
1050         comment_window->get_action_area()->hide();
1051 }
1052
1053 void
1054 MixerStrip::comment_changed (void *src)
1055 {
1056         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::comment_changed), src));
1057
1058         if (src != this) {
1059                 ignore_comment_edit = true;
1060                 if (comment_area) {
1061                         comment_area->get_buffer()->set_text (_route->comment());
1062                 }
1063                 ignore_comment_edit = false;
1064         }
1065 }
1066
1067 void
1068 MixerStrip::set_mix_group (RouteGroup *rg)
1069 {
1070         _route->set_mix_group (rg, this);
1071 }
1072
1073 void
1074 MixerStrip::add_mix_group_to_menu (RouteGroup *rg, RadioMenuItem::Group* group)
1075 {
1076         using namespace Menu_Helpers;
1077
1078         MenuList& items = group_menu->items();
1079
1080         items.push_back (RadioMenuElem (*group, rg->name(), bind (mem_fun(*this, &MixerStrip::set_mix_group), rg)));
1081
1082         if (_route->mix_group() == rg) {
1083                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
1084         }
1085 }
1086
1087 bool
1088 MixerStrip::select_mix_group (GdkEventButton *ev)
1089 {
1090         using namespace Menu_Helpers;
1091
1092         if (group_menu == 0) {
1093                 group_menu = new Menu;
1094         }
1095         group_menu->set_name ("ArdourContextMenu");
1096         MenuList& items = group_menu->items();
1097         RadioMenuItem::Group group;
1098
1099         switch (ev->button) {
1100         case 1:
1101
1102                 items.clear ();
1103                 items.push_back (RadioMenuElem (group, _("No group"), bind (mem_fun(*this, &MixerStrip::set_mix_group), (RouteGroup *) 0)));
1104
1105                 _session.foreach_mix_group (bind (mem_fun (*this, &MixerStrip::add_mix_group_to_menu), &group));
1106
1107                 group_menu->popup (1, ev->time);
1108                 break;
1109
1110         default:
1111                 break;
1112         }
1113
1114         return true;
1115 }
1116
1117 void
1118 MixerStrip::mix_group_changed (void *ignored)
1119 {
1120         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::mix_group_changed), ignored));
1121
1122         RouteGroup *rg = _route->mix_group();
1123
1124         if (rg) {
1125                 group_label.set_text (rg->name());
1126         } else {
1127                 switch (_width) {
1128                 case Wide:
1129                         group_label.set_text (_("Grp"));
1130                         break;
1131                 case Narrow:
1132                         group_label.set_text (_("~G"));
1133                         break;
1134                 }
1135         }
1136 }
1137
1138
1139 void
1140 MixerStrip::route_gui_changed (string what_changed, void* ignored)
1141 {
1142         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::route_gui_changed), what_changed, ignored));
1143
1144         if (what_changed == "color") {
1145                 if (set_color_from_route () == 0) {
1146                         show_route_color ();
1147                 }
1148         }
1149 }
1150
1151 void
1152 MixerStrip::show_route_color ()
1153 {
1154         name_button.modify_bg (STATE_NORMAL, color());
1155         top_event_box.modify_bg (STATE_NORMAL, color());
1156         route_active_changed ();
1157 }
1158
1159 void
1160 MixerStrip::show_passthru_color ()
1161 {
1162         route_active_changed ();
1163 }
1164
1165 void
1166 MixerStrip::build_route_ops_menu ()
1167 {
1168         using namespace Menu_Helpers;
1169         route_ops_menu = new Menu;
1170         route_ops_menu->set_name ("ArdourContextMenu");
1171
1172         MenuList& items = route_ops_menu->items();
1173
1174         items.push_back (MenuElem (_("Save As Template"), mem_fun(*this, &RouteUI::save_as_template)));
1175         items.push_back (MenuElem (_("Rename"), mem_fun(*this, &RouteUI::route_rename)));
1176         rename_menu_item = &items.back();
1177         items.push_back (SeparatorElem());
1178         items.push_back (CheckMenuElem (_("Active"), mem_fun (*this, &RouteUI::toggle_route_active)));
1179         route_active_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
1180         route_active_menu_item->set_active (_route->active());
1181
1182         items.push_back (SeparatorElem());
1183
1184         items.push_back (MenuElem (_("Adjust latency"), mem_fun (*this, &RouteUI::adjust_latency)));
1185
1186         items.push_back (SeparatorElem());
1187         items.push_back (CheckMenuElem (_("Invert Polarity"), mem_fun (*this, &RouteUI::toggle_polarity)));
1188         polarity_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
1189         polarity_menu_item->set_active (_route->phase_invert());
1190         items.push_back (CheckMenuElem (_("Protect against denormals"), mem_fun (*this, &RouteUI::toggle_denormal_protection)));
1191         denormal_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
1192         denormal_menu_item->set_active (_route->denormal_protection());
1193
1194         if (!Profile->get_sae()) {
1195                 build_remote_control_menu ();
1196                 items.push_back (SeparatorElem());
1197                 items.push_back (MenuElem (_("Remote Control ID"), *remote_control_menu));
1198         }
1199
1200         items.push_back (SeparatorElem());
1201         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &RouteUI::remove_this_route)));
1202 }
1203
1204 gint
1205 MixerStrip::name_button_button_press (GdkEventButton* ev)
1206 {
1207         if (ev->button == 1 || ev->button == 3) {
1208                 list_route_operations ();
1209
1210                 /* do not allow rename if the track is record-enabled */
1211                 rename_menu_item->set_sensitive (!_route->record_enabled());
1212                 route_ops_menu->popup (1, ev->time);
1213         }
1214         return FALSE;
1215 }
1216
1217 void
1218 MixerStrip::list_route_operations ()
1219 {
1220         if (route_ops_menu == 0) {
1221                 build_route_ops_menu ();
1222         }
1223
1224         refresh_remote_control_menu();
1225 }
1226
1227 void
1228 MixerStrip::set_selected (bool yn)
1229 {
1230         AxisView::set_selected (yn);
1231         if (_selected) {
1232                 global_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
1233                 global_frame.set_name ("MixerStripSelectedFrame");
1234         } else {
1235                 global_frame.set_shadow_type (Gtk::SHADOW_IN);
1236                 global_frame.set_name ("MixerStripFrame");
1237         }
1238         global_frame.queue_draw ();
1239 }
1240
1241 void
1242 MixerStrip::name_changed ()
1243 {
1244         switch (_width) {
1245         case Wide:
1246                 RouteUI::name_changed ();
1247                 break;
1248         case Narrow:
1249                 name_label.set_text (PBD::short_version (_route->name(), 5));
1250                 break;
1251         }
1252         if (_route->phase_invert()) {
1253                 name_label.set_text (X_("Ø ") + name_label.get_text());
1254         }
1255 }
1256
1257 void
1258 MixerStrip::width_clicked ()
1259 {
1260         switch (_width) {
1261         case Wide:
1262                 set_width (Narrow, this);
1263                 break;
1264         case Narrow:
1265                 set_width (Wide, this);
1266                 break;
1267         }
1268 }
1269
1270 void
1271 MixerStrip::hide_clicked ()
1272 {
1273         // LAME fix to reset the button status for when it is redisplayed (part 1)
1274         hide_button.set_sensitive(false);
1275
1276         if (_embedded) {
1277                 Hiding(); /* EMIT_SIGNAL */
1278         } else {
1279                 _mixer.hide_strip (this);
1280         }
1281
1282         // (part 2)
1283         hide_button.set_sensitive(true);
1284 }
1285
1286 void
1287 MixerStrip::set_embedded (bool yn)
1288 {
1289         _embedded = yn;
1290 }
1291
1292 void
1293 MixerStrip::map_frozen ()
1294 {
1295         ENSURE_GUI_THREAD (mem_fun(*this, &MixerStrip::map_frozen));
1296
1297         boost::shared_ptr<AudioTrack> at = audio_track();
1298
1299         if (at) {
1300                 switch (at->freeze_state()) {
1301                 case AudioTrack::Frozen:
1302                         pre_processor_box.set_sensitive (false);
1303                         post_processor_box.set_sensitive (false);
1304                         break;
1305                 default:
1306                         pre_processor_box.set_sensitive (true);
1307                         post_processor_box.set_sensitive (true);
1308                         // XXX need some way, maybe, to retoggle redirect editors
1309                         break;
1310                 }
1311         }
1312
1313         hide_redirect_editors ();
1314 }
1315
1316 void
1317 MixerStrip::hide_redirect_editors ()
1318 {
1319         _route->foreach_processor (mem_fun (*this, &MixerStrip::hide_processor_editor));
1320 }
1321
1322 void
1323 MixerStrip::hide_processor_editor (boost::weak_ptr<Processor> p)
1324 {
1325         boost::shared_ptr<Processor> processor (p.lock ());
1326         if (!processor) {
1327                 return;
1328         }
1329
1330         void* gui = processor->get_gui ();
1331
1332         if (gui) {
1333                 static_cast<Gtk::Widget*>(gui)->hide ();
1334         }
1335 }
1336
1337 void
1338 MixerStrip::route_active_changed ()
1339 {
1340         RouteUI::route_active_changed ();
1341
1342         if (is_midi_track()) {
1343                 if (_route->active()) {
1344                         set_name ("MidiTrackStripBase");
1345                         gpm.set_meter_strip_name ("MidiTrackStripBase");
1346                 } else {
1347                         set_name ("MidiTrackStripBaseInactive");
1348                         gpm.set_meter_strip_name ("MidiTrackStripBaseInactive");
1349                 }
1350                 gpm.set_fader_name ("MidiTrackFader");
1351         } else if (is_audio_track()) {
1352                 if (_route->active()) {
1353                         set_name ("AudioTrackStripBase");
1354                         gpm.set_meter_strip_name ("AudioTrackMetrics");
1355                 } else {
1356                         set_name ("AudioTrackStripBaseInactive");
1357                         gpm.set_meter_strip_name ("AudioTrackMetricsInactive");
1358                 }
1359                 gpm.set_fader_name ("AudioTrackFader");
1360         } else {
1361                 if (_route->active()) {
1362                         set_name ("AudioBusStripBase");
1363                         gpm.set_meter_strip_name ("AudioBusMetrics");
1364                 } else {
1365                         set_name ("AudioBusStripBaseInactive");
1366                         gpm.set_meter_strip_name ("AudioBusMetricsInactive");
1367                 }
1368                 gpm.set_fader_name ("AudioBusFader");
1369
1370                 /* (no MIDI busses yet) */
1371         }
1372 }
1373
1374 RouteGroup*
1375 MixerStrip::mix_group() const
1376 {
1377         return _route->mix_group();
1378 }
1379
1380 void
1381 MixerStrip::engine_stopped ()
1382 {
1383 }
1384
1385 void
1386 MixerStrip::engine_running ()
1387 {
1388 }
1389
1390 void
1391 MixerStrip::meter_changed (void *src)
1392 {
1393         ENSURE_GUI_THREAD (bind (mem_fun(*this, &MixerStrip::meter_changed), src));
1394
1395         switch (_route->meter_point()) {
1396         case MeterInput:
1397                 meter_point_label.set_text (_("input"));
1398                 break;
1399
1400         case MeterPreFader:
1401                 meter_point_label.set_text (_("pre"));
1402                 break;
1403
1404         case MeterPostFader:
1405                 meter_point_label.set_text (_("post"));
1406                 break;
1407         }
1408
1409         gpm.setup_meters ();
1410         // reset peak when meter point changes
1411         gpm.reset_peak_display();
1412         set_width(_width, this);
1413 }
1414
1415 void
1416 MixerStrip::switch_io (boost::shared_ptr<Route> target)
1417 {
1418         if (_route == target || _route->is_master()) {
1419                 /* don't change the display for the target or the master bus */
1420                 return;
1421         } else if (!is_track() && show_sends_button) {
1422                 /* make sure our show sends button is inactive, and we no longer blink,
1423                    since we're not the target.
1424                 */
1425                 send_blink_connection.disconnect ();
1426                 show_sends_button->set_active (false);
1427                 show_sends_button->set_state (STATE_NORMAL);
1428         }
1429
1430         if (!target) {
1431                 /* switch back to default */
1432                 revert_to_default_display ();
1433                 return;
1434         }
1435
1436         boost::shared_ptr<Send> send;
1437
1438         if (_current_delivery && (send = boost::dynamic_pointer_cast<Send>(_current_delivery))) {
1439                 send->set_metering (false);
1440         }
1441
1442         _current_delivery = _route->send_for (target->input());
1443
1444         if (_current_delivery) {
1445                 send = boost::dynamic_pointer_cast<Send>(_current_delivery);
1446                 send->set_metering (true);
1447                 _current_delivery->GoingAway.connect (mem_fun (*this, &MixerStrip::revert_to_default_display));
1448                 gain_meter().set_controls (_route, send->meter(), send->amp()->gain_control(), send->amp());
1449                 panner_ui().set_panner (_current_delivery->panner());
1450
1451         } else {
1452                 _current_delivery = _route->main_outs ();
1453                 gain_meter().set_controls (_route, _route->shared_peak_meter(), _route->gain_control(), _route->amp());
1454                 panner_ui().set_panner (_route->main_outs()->panner());
1455         }
1456
1457         gain_meter().setup_meters ();
1458         panner_ui().setup_pan ();
1459 }
1460
1461
1462 void
1463 MixerStrip::revert_to_default_display ()
1464 {
1465         show_sends_button->set_active (false);
1466
1467         boost::shared_ptr<Send> send;
1468
1469         if (_current_delivery && (send = boost::dynamic_pointer_cast<Send>(_current_delivery))) {
1470                 send->set_metering (false);
1471         }
1472
1473         _current_delivery = _route->main_outs();
1474
1475         gain_meter().set_controls (_route, _route->shared_peak_meter(), _route->gain_control(), _route->amp());
1476         gain_meter().setup_meters ();
1477         panner_ui().set_panner (_route->main_outs()->panner());
1478         panner_ui().setup_pan ();
1479 }
1480