gtk2_ardour/patch_change_widget.cc

   1 /*
   2  * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
   3  * Copyright (C) 2011 Paul Davis
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19
  20 #include <bitset>
  21 #include <gtkmm/frame.h>
  22
  23 #include "pbd/unwind.h"
  24
  25 #include "evoral/midi_events.h"
  26 #include "evoral/PatchChange.hpp"
  27
  28 #include "midi++/midnam_patch.h"
  29
  30 #include "ardour/instrument_info.h"
  31 #include "ardour/midi_track.h"
  32 #include "ardour/plugin_insert.h"
  33
  34 #include "gtkmm2ext/menu_elems.h"
  35 #include "widgets/tooltips.h"
  36
  37 #include "gui_thread.h"
  38 #include "patch_change_widget.h"
  39 #include "ui_config.h"
  40
  41 #include "pbd/i18n.h"
  42
  43 using namespace Gtk;
  44 using namespace ARDOUR;
  45
  46 PatchChangeWidget::PatchChangeWidget (boost::shared_ptr<ARDOUR::Route> r)
  47         : _route (r)
  48         , _bank_msb_spin (*manage (new Adjustment (0, 0, 127, 1, 16)))
  49         , _bank_lsb_spin (*manage (new Adjustment (0, 0, 127, 1, 16)))
  50         , _program_table (/*rows*/ 16, /*cols*/ 8, true)
  51         , _channel (-1)
  52         , _ignore_spin_btn_signals (false)
  53         , _no_notifications (false)
  54         , _info (r->instrument_info ())
  55         , _audition_enable (_("Audition on Change"), ArdourWidgets::ArdourButton::led_default_elements)
  56         , _audition_start_spin (*manage (new Adjustment (48, 0, 127, 1, 16)))
  57         , _audition_end_spin (*manage (new Adjustment (60, 0, 127, 1, 16)))
  58         , _audition_velocity (*manage (new Adjustment (100, 1, 127, 1, 16)))
  59         , _audition_note_on (false)
  60         , _piano ((PianoKeyboard*)piano_keyboard_new())
  61         , _pianomm (Glib::wrap((GtkWidget*)_piano))
  62 {
  63         Box* box;
  64         box = manage (new HBox ());
  65         box->set_border_width (2);
  66         box->set_spacing (4);
  67         box->pack_start (*manage (new Label (_("Channel:"))), false, false);
  68         box->pack_start (_channel_select, false, false);
  69         box->pack_start (*manage (new Label (_("Bank:"))), false, false);
  70         box->pack_start (_bank_select, true, true);
  71         box->pack_start (*manage (new Label (_("MSB:"))), false, false);
  72         box->pack_start (_bank_msb_spin, false, false);
  73         box->pack_start (*manage (new Label (_("LSB:"))), false, false);
  74         box->pack_start (_bank_lsb_spin, false, false);
  75
  76         pack_start (*box, false, false);
  77
  78         _program_table.set_spacings (1);
  79         pack_start (_program_table, true, true);
  80
  81         if (!boost::dynamic_pointer_cast<MidiTrack> (_route)) {
  82                 pack_start ( *manage (new Label (_("Note: Patch Selection is volatile (only Midi-Tracks retain bank/patch selection)."))), false, false);
  83         }
  84
  85         box = manage (new HBox ());
  86         box->set_spacing (4);
  87         box->pack_start (_audition_enable, false, false);
  88         box->pack_start (*manage (new Label (_("Start Note:"))), false, false);
  89         box->pack_start (_audition_start_spin, false, false);
  90         box->pack_start (*manage (new Label (_("End Note:"))), false, false);
  91         box->pack_start (_audition_end_spin, false, false);
  92         box->pack_start (*manage (new Label (_("Velocity:"))), false, false);
  93         box->pack_start (_audition_velocity, false, false);
  94
  95         Box* box2 = manage (new HBox ());
  96         box2->pack_start (*box, true, false);
  97         box2->set_border_width (2);
  98         pack_start (*box2, false, false);
  99
 100         for (uint8_t pgm = 0; pgm < 128; ++pgm) {
 101                 _program_btn[pgm].set_text_ellipsize (Pango::ELLIPSIZE_END);
 102                 _program_btn[pgm].set_layout_ellipsize_width (PANGO_SCALE * 112 * UIConfiguration::instance ().get_ui_scale ());
 103                 int row = pgm % 16;
 104                 int col = pgm / 16;
 105                 _program_table.attach (_program_btn[pgm], col, col + 1, row, row + 1);
 106                 _program_btn[pgm].signal_clicked.connect (sigc::bind (sigc::mem_fun (*this, &PatchChangeWidget::select_program), pgm));
 107         }
 108
 109         for (uint32_t chn = 0; chn < 16; ++chn) {
 110                 using namespace Menu_Helpers;
 111                 using namespace Gtkmm2ext;
 112                 char buf[8];
 113                 snprintf (buf, sizeof(buf), "%d", chn + 1);
 114                 _channel_select.AddMenuElem (MenuElemNoMnemonic (buf, sigc::bind (sigc::mem_fun (*this, &PatchChangeWidget::select_channel), chn)));
 115         }
 116
 117         piano_keyboard_set_monophonic (_piano, TRUE);
 118         g_signal_connect (G_OBJECT (_piano), "note-on", G_CALLBACK (PatchChangeWidget::_note_on_event_handler), this);
 119         g_signal_connect (G_OBJECT (_piano), "note-off", G_CALLBACK (PatchChangeWidget::_note_off_event_handler), this);
 120         _pianomm->set_flags(Gtk::CAN_FOCUS);
 121         pack_start (*_pianomm, false, false);
 122
 123         _audition_start_spin.set_sensitive (false);
 124         _audition_end_spin.set_sensitive (false);
 125
 126         _audition_enable.signal_clicked.connect (sigc::mem_fun (*this, &PatchChangeWidget::audition_toggle));
 127         _audition_start_spin.signal_changed().connect (sigc::bind (sigc::mem_fun (*this, &PatchChangeWidget::check_note_range), false));
 128         _audition_end_spin.signal_changed().connect (sigc::bind (sigc::mem_fun (*this, &PatchChangeWidget::check_note_range), true));
 129         _bank_msb_spin.signal_changed().connect (sigc::mem_fun (*this, &PatchChangeWidget::select_bank_spin));
 130         _bank_lsb_spin.signal_changed().connect (sigc::mem_fun (*this, &PatchChangeWidget::select_bank_spin));
 131
 132         _info.Changed.connect (_info_changed_connection, invalidator (*this),
 133                         boost::bind (&PatchChangeWidget::instrument_info_changed, this), gui_context());
 134
 135         if (!boost::dynamic_pointer_cast<MidiTrack> (_route)) {
 136                 _route->processors_changed.connect (_route_connection, invalidator (*this),
 137                                 boost::bind (&PatchChangeWidget::processors_changed, this), gui_context());
 138                 processors_changed ();
 139         }
 140
 141         set_spacing (4);
 142         show_all ();
 143 }
 144
 145 PatchChangeWidget::~PatchChangeWidget ()
 146 {
 147         cancel_audition ();
 148         delete _pianomm;
 149 }
 150
 151 void
 152 PatchChangeWidget::refresh ()
 153 {
 154         if (is_visible ()) {
 155                 on_show ();
 156         }
 157 }
 158
 159 void
 160 PatchChangeWidget::on_show ()
 161 {
 162         Gtk::VBox::on_show ();
 163         cancel_audition ();
 164         _channel = -1;
 165         select_channel (0);
 166 }
 167
 168 void
 169 PatchChangeWidget::on_hide ()
 170 {
 171         Gtk::VBox::on_hide ();
 172         _ac_connections.drop_connections ();
 173         cancel_audition ();
 174 }
 175
 176 void
 177 PatchChangeWidget::select_channel (uint8_t chn)
 178 {
 179         assert (_route);
 180         assert (chn < 16);
 181
 182         if (_channel == chn) {
 183                 return;
 184         }
 185
 186         cancel_audition ();
 187
 188         _channel_select.set_text (string_compose ("%1", (int)(chn + 1)));
 189         _channel = chn;
 190         _no_notifications = false;
 191
 192         _ac_connections.drop_connections ();
 193
 194         if (boost::dynamic_pointer_cast<MidiTrack> (_route)) {
 195                 boost::shared_ptr<AutomationControl> bank_msb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, chn, MIDI_CTL_MSB_BANK), true);
 196                 boost::shared_ptr<AutomationControl> bank_lsb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, chn, MIDI_CTL_LSB_BANK), true);
 197                 boost::shared_ptr<AutomationControl> program = _route->automation_control(Evoral::Parameter (MidiPgmChangeAutomation, chn), true);
 198
 199                 bank_msb->Changed.connect (_ac_connections, invalidator (*this),
 200                                 boost::bind (&PatchChangeWidget::bank_changed, this), gui_context ());
 201                 bank_lsb->Changed.connect (_ac_connections, invalidator (*this),
 202                                 boost::bind (&PatchChangeWidget::bank_changed, this), gui_context ());
 203                 program->Changed.connect (_ac_connections, invalidator (*this),
 204                                 boost::bind (&PatchChangeWidget::program_changed, this), gui_context ());
 205         } else if (boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_route->the_instrument())) {
 206                 if (pi->plugin()->knows_bank_patch ()) {
 207                         pi->plugin ()->BankPatchChange.connect (_ac_connections, invalidator (*this),
 208                                         boost::bind (&PatchChangeWidget::bankpatch_changed, this, _1), gui_context ());
 209                 } else {
 210                         _no_notifications = true;
 211                         // TODO add note: instrument does not report changes.
 212                 }
 213         }
 214
 215         refill_banks ();
 216 }
 217
 218 void
 219 PatchChangeWidget::refill_banks ()
 220 {
 221         cancel_audition ();
 222         using namespace Menu_Helpers;
 223         using namespace Gtkmm2ext;
 224
 225         _current_patch_bank.reset ();
 226         _bank_select.clear_items ();
 227
 228         const int b = bank (_channel);
 229
 230         {
 231                 PBD::Unwinder<bool> (_ignore_spin_btn_signals, true);
 232                 _bank_msb_spin.set_value (b >> 7);
 233                 _bank_lsb_spin.set_value (b & 127);
 234         }
 235
 236         boost::shared_ptr<MIDI::Name::ChannelNameSet> cns = _info.get_patches (_channel);
 237         if (cns) {
 238                 for (MIDI::Name::ChannelNameSet::PatchBanks::const_iterator i = cns->patch_banks().begin(); i != cns->patch_banks().end(); ++i) {
 239                         std::string n = (*i)->name ();
 240                         _bank_select.AddMenuElem (MenuElemNoMnemonic (n, sigc::bind (sigc::mem_fun (*this, &PatchChangeWidget::select_bank), (*i)->number ())));
 241                         if ((*i)->number () == b) {
 242                                 _current_patch_bank = *i;
 243                                 _bank_select.set_text (n);
 244                         }
 245                 }
 246         }
 247
 248         if (!_current_patch_bank) {
 249                 std::string n = string_compose (_("Bank %1"), b);
 250                 _bank_select.AddMenuElem (MenuElemNoMnemonic (n, sigc::bind (sigc::mem_fun (*this, &PatchChangeWidget::select_bank), b)));
 251                 _bank_select.set_text (n);
 252         }
 253
 254         refill_program_list ();
 255 }
 256
 257 void
 258 PatchChangeWidget::refill_program_list ()
 259 {
 260         std::bitset<128> unset_notes;
 261         unset_notes.set ();
 262
 263         if (_current_patch_bank) {
 264                 const MIDI::Name::PatchNameList& patches = _current_patch_bank->patch_name_list ();
 265                 for (MIDI::Name::PatchNameList::const_iterator i = patches.begin(); i != patches.end(); ++i) {
 266                         const std::string n = (*i)->name ();
 267                         MIDI::Name::PatchPrimaryKey const& key = (*i)->patch_primary_key ();
 268
 269                         const uint8_t pgm = key.program();
 270                         _program_btn[pgm].set_text (n);
 271                         set_tooltip (_program_btn[pgm], string_compose (_("%1 (Pgm-%2)"), n, (int)(pgm +1)));
 272                         unset_notes.reset (pgm);
 273                 }
 274         }
 275
 276         for (uint8_t pgm = 0; pgm < 128; ++pgm) {
 277                 if (!unset_notes.test (pgm)) {
 278                         _program_btn[pgm].set_name (X_("patch change button"));
 279                         continue;
 280                 }
 281                 std::string n = string_compose (_("Pgm-%1"), (int)(pgm +1));
 282                 _program_btn[pgm].set_text (n);
 283                 _program_btn[pgm].set_name (X_("patch change dim button"));
 284                 set_tooltip (_program_btn[pgm], n);
 285         }
 286
 287         program_changed ();
 288 }
 289
 290 /* ***** user GUI actions *****/
 291
 292 void
 293 PatchChangeWidget::select_bank_spin ()
 294 {
 295         if (_ignore_spin_btn_signals) {
 296                 return;
 297         }
 298         const uint32_t b = (_bank_msb_spin.get_value_as_int() << 7) + _bank_lsb_spin.get_value_as_int();
 299         select_bank (b);
 300 }
 301
 302 void
 303 PatchChangeWidget::select_bank (uint32_t bank)
 304 {
 305         cancel_audition ();
 306
 307         if (boost::dynamic_pointer_cast<MidiTrack> (_route)) {
 308                 boost::shared_ptr<AutomationControl> bank_msb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, _channel, MIDI_CTL_MSB_BANK), true);
 309                 boost::shared_ptr<AutomationControl> bank_lsb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, _channel, MIDI_CTL_LSB_BANK), true);
 310
 311                 bank_msb->set_value (bank >> 7, PBD::Controllable::NoGroup);
 312                 bank_lsb->set_value (bank & 127, PBD::Controllable::NoGroup);
 313         } else if (boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_route->the_instrument())) {
 314                 uint8_t event[3];
 315                 event[0] = (MIDI_CMD_CONTROL | _channel);
 316                 event[1] = 0x00;
 317                 event[2] = bank >> 7;
 318                 pi->write_immediate_event (3, event);
 319
 320                 event[1] = 0x20;
 321                 event[2] = bank & 127;
 322                 pi->write_immediate_event (3, event);
 323         }
 324
 325         select_program (program (_channel));
 326 }
 327
 328 void
 329 PatchChangeWidget::select_program (uint8_t pgm)
 330 {
 331         cancel_audition ();
 332         if (_no_notifications) {
 333                 program_changed ();
 334         }
 335
 336         if (pgm > 127) {
 337                 return;
 338         }
 339
 340         if (boost::dynamic_pointer_cast<MidiTrack> (_route)) {
 341                 boost::shared_ptr<AutomationControl> program = _route->automation_control(Evoral::Parameter (MidiPgmChangeAutomation, _channel), true);
 342                 program->set_value (pgm, PBD::Controllable::NoGroup);
 343         } else if (boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_route->the_instrument())) {
 344                 uint8_t event[2];
 345                 event[0] = (MIDI_CMD_PGM_CHANGE | _channel);
 346                 event[1] = pgm;
 347                 pi->write_immediate_event (2, event);
 348         }
 349
 350         audition ();
 351 }
 352
 353 /* ***** callbacks, external changes *****/
 354
 355 void
 356 PatchChangeWidget::bank_changed ()
 357 {
 358         refill_banks ();
 359 }
 360
 361 void
 362 PatchChangeWidget::bankpatch_changed (uint8_t chn)
 363 {
 364         if (chn == _channel) {
 365                 refill_banks ();
 366         }
 367 }
 368
 369 void
 370 PatchChangeWidget::program_changed ()
 371 {
 372         uint8_t p = program (_channel);
 373         for (uint8_t pgm = 0; pgm < 128; ++pgm) {
 374                 _program_btn[pgm].set_active (pgm == p);
 375         }
 376 }
 377
 378 void
 379 PatchChangeWidget::instrument_info_changed ()
 380 {
 381         refill_banks ();
 382 }
 383
 384 void
 385 PatchChangeWidget::processors_changed ()
 386 {
 387         assert (!boost::dynamic_pointer_cast<MidiTrack> (_route));
 388         if (_route->the_instrument ()) {
 389                 set_sensitive (true);
 390         } else {
 391                 set_sensitive (false);
 392         }
 393 }
 394
 395 /* ***** play notes *****/
 396
 397 void
 398 PatchChangeWidget::audition_toggle ()
 399 {
 400         _audition_enable.set_active (!_audition_enable.get_active ());
 401         if (_audition_enable.get_active()) {
 402                 _audition_start_spin.set_sensitive (true);
 403                 _audition_end_spin.set_sensitive (true);
 404         } else {
 405                 cancel_audition ();
 406                 _audition_start_spin.set_sensitive (false);
 407                 _audition_end_spin.set_sensitive (false);
 408         }
 409 }
 410
 411 void
 412 PatchChangeWidget::check_note_range (bool upper)
 413 {
 414         int s = _audition_start_spin.get_value_as_int ();
 415         int e = _audition_end_spin.get_value_as_int ();
 416         if (s <= e) {
 417                 return;
 418         }
 419         if (upper) {
 420                 _audition_start_spin.set_value (e);
 421         } else {
 422                 _audition_end_spin.set_value (s);
 423         }
 424 }
 425
 426 void
 427 PatchChangeWidget::cancel_audition ()
 428 {
 429         _note_queue_connection.disconnect();
 430
 431         if (_audition_note_on) {
 432                 note_off_event_handler (_audition_note_num);
 433                 piano_keyboard_set_note_off (_piano, _audition_note_num);
 434         }
 435 }
 436
 437 void
 438 PatchChangeWidget::audition ()
 439 {
 440         if (!boost::dynamic_pointer_cast<MidiTrack> (_route) && !boost::dynamic_pointer_cast<PluginInsert> (_route)) {
 441                 return;
 442         }
 443         if (_channel > 16) {
 444                 return;
 445         }
 446
 447         if (_note_queue_connection.connected ()) {
 448                 cancel_audition ();
 449         }
 450
 451         if (!_audition_enable.get_active ()) {
 452                 return;
 453         }
 454
 455         assert (!_audition_note_on);
 456         _audition_note_num = _audition_start_spin.get_value_as_int ();
 457
 458         _note_queue_connection = Glib::signal_timeout().connect (sigc::bind (sigc::mem_fun (&PatchChangeWidget::audition_next), this), 250);
 459 }
 460
 461 bool
 462 PatchChangeWidget::audition_next ()
 463 {
 464         if (_audition_note_on) {
 465                 note_off_event_handler (_audition_note_num);
 466                 piano_keyboard_set_note_off (_piano, _audition_note_num);
 467                 return ++_audition_note_num <= _audition_end_spin.get_value_as_int() && _audition_enable.get_active ();
 468         } else {
 469                 note_on_event_handler (_audition_note_num);
 470                 piano_keyboard_set_note_on (_piano, _audition_note_num);
 471                 return true;
 472         }
 473 }
 474
 475 void
 476 PatchChangeWidget::_note_on_event_handler(GtkWidget*, int note, gpointer arg)
 477 {
 478         ((PatchChangeWidget*)arg)->note_on_event_handler(note);
 479 }
 480
 481 void
 482 PatchChangeWidget::_note_off_event_handler(GtkWidget*, int note, gpointer arg)
 483 {
 484         ((PatchChangeWidget*)arg)->note_off_event_handler(note);
 485 }
 486
 487 void
 488 PatchChangeWidget::note_on_event_handler (int note)
 489 {
 490         cancel_audition ();
 491         _pianomm->grab_focus ();
 492         uint8_t event[3];
 493         event[0] = (MIDI_CMD_NOTE_ON | _channel);
 494         event[1] = note;
 495         event[2] = _audition_velocity.get_value_as_int ();
 496         _audition_note_on = true;
 497         _audition_note_num = note;
 498
 499         if (boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (_route)) {
 500                 mt->write_immediate_event (3, event);
 501         } else if (boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_route->the_instrument())) {
 502                 pi->write_immediate_event (3, event);
 503         }
 504 }
 505
 506 void
 507 PatchChangeWidget::note_off_event_handler (int note)
 508 {
 509         uint8_t event[3];
 510         event[0] = (MIDI_CMD_NOTE_OFF | _channel);
 511         event[1] = note;
 512         event[2] = 0;
 513         _audition_note_on = false;
 514
 515         if (boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (_route)) {
 516                 mt->write_immediate_event (3, event);
 517         } else if (boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_route->the_instrument())) {
 518                 pi->write_immediate_event (3, event);
 519         }
 520 }
 521
 522 /* ***** query info *****/
 523
 524 int
 525 PatchChangeWidget::bank (uint8_t chn) const
 526 {
 527         if (boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (_route)) {
 528                 boost::shared_ptr<AutomationControl> bank_msb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, chn, MIDI_CTL_MSB_BANK), true);
 529                 boost::shared_ptr<AutomationControl> bank_lsb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, chn, MIDI_CTL_LSB_BANK), true);
 530
 531                 return ((int)bank_msb->get_value () << 7) + (int)bank_lsb->get_value();
 532         } else if (boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_route->the_instrument())) {
 533                 uint32_t bankpatch = pi->plugin()->bank_patch (chn);
 534                 if (bankpatch != UINT32_MAX) {
 535                         return bankpatch >> 7;
 536                 }
 537         }
 538         return 0;
 539 }
 540
 541 uint8_t
 542 PatchChangeWidget::program (uint8_t chn) const
 543 {
 544         if (boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (_route)) {
 545                 boost::shared_ptr<AutomationControl> program = _route->automation_control(Evoral::Parameter (MidiPgmChangeAutomation, chn), true);
 546                 return program->get_value();
 547         } else if (boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_route->the_instrument())) {
 548                 uint32_t bankpatch = pi->plugin()->bank_patch (chn);
 549                 if (bankpatch != UINT32_MAX) {
 550                         return bankpatch & 127;
 551                 }
 552         }
 553         return 255;
 554 }
 555
 556 /* ***************************************************************************/
 557
 558 PatchChangeGridDialog::PatchChangeGridDialog (boost::shared_ptr<ARDOUR::Route> r)
 559         : ArdourDialog (string_compose (_("Select Patch for '%1"), r->name()), false, false)
 560         , w (r)
 561 {
 562         r->PropertyChanged.connect (_route_connection, invalidator (*this), boost::bind (&PatchChangeGridDialog::route_property_changed, this, _1, boost::weak_ptr<Route>(r)), gui_context());
 563         get_vbox()->add (w);
 564         w.show ();
 565 }
 566
 567 void
 568 PatchChangeGridDialog::route_property_changed (const PBD::PropertyChange& what_changed, boost::weak_ptr<Route> wr)
 569 {
 570         boost::shared_ptr<ARDOUR::Route> r = wr.lock ();
 571         if (r && what_changed.contains (ARDOUR::Properties::name)) {
 572                 set_title (string_compose (_("Select Patch for '%1"), r->name()));
 573         }
 574 }