2 Copyright (C) 2016 Paul Davis
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.
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.
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.
22 #include "pbd/compose.h"
23 #include "pbd/convert.h"
24 #include "pbd/debug.h"
25 #include "pbd/failed_constructor.h"
26 #include "pbd/file_utils.h"
27 #include "pbd/search_path.h"
28 #include "pbd/enumwriter.h"
30 #include "midi++/parser.h"
32 #include "ardour/amp.h"
33 #include "ardour/async_midi_port.h"
34 #include "ardour/audioengine.h"
35 #include "ardour/debug.h"
36 #include "ardour/midiport_manager.h"
37 #include "ardour/midi_track.h"
38 #include "ardour/midi_port.h"
39 #include "ardour/session.h"
40 #include "ardour/tempo.h"
41 #include "ardour/types_convert.h"
42 #include "ardour/vca_manager.h"
45 #include "gtkmm2ext/gui_thread.h"
48 #include "launch_control_xl.h"
52 #ifdef PLATFORM_WINDOWS
53 #define random() rand()
56 using namespace ARDOUR;
60 using namespace ArdourSurface;
61 #include "pbd/abstract_ui.cc" // instantiate template
63 /* init global object */
64 LaunchControlXL* lcxl = 0;
66 LaunchControlXL::LaunchControlXL (ARDOUR::Session& s)
67 : ControlProtocol (s, string (X_("Novation Launch Control XL")))
68 , AbstractUI<LaunchControlRequest> (name())
70 , _track_mode(TrackMute)
71 , _template_number(8) // default template (factory 1)
73 , connection_state (ConnectionState (0))
75 , in_range_select (false)
78 /* we're going to need this */
82 /* master cannot be removed, so no need to connect to going-away signal */
83 master = session->master_out ();
84 /* the master bus will always be on the last channel on the lcxl */
85 stripable[7] = master;
90 /* Ports exist for the life of this instance */
94 /* catch arrival and departure of LaunchControlXL itself */
95 ARDOUR::AudioEngine::instance()->PortRegisteredOrUnregistered.connect (port_reg_connection, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::port_registration_handler, this), this);
97 /* Catch port connections and disconnections */
98 ARDOUR::AudioEngine::instance()->PortConnectedOrDisconnected.connect (port_connection, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::connection_handler, this, _1, _2, _3, _4, _5), this);
100 /* Launch Control XL ports might already be there */
101 port_registration_handler ();
103 session->RouteAdded.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::stripables_added, this), lcxl);
104 session->vca_manager().VCAAdded.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::stripables_added, this), lcxl);
106 switch_bank (bank_start);
109 LaunchControlXL::~LaunchControlXL ()
111 DEBUG_TRACE (DEBUG::LaunchControlXL, "Launch Control XL control surface object being destroyed\n");
113 /* do this before stopping the event loop, so that we don't get any notifications */
114 port_reg_connection.disconnect ();
115 port_connection.disconnect ();
116 session_connections.drop_connections ();
117 stripable_connections.drop_connections ();
119 stop_using_device ();
127 LaunchControlXL::run_event_loop ()
129 DEBUG_TRACE (DEBUG::LaunchControlXL, "start event loop\n");
134 LaunchControlXL::stop_event_loop ()
136 DEBUG_TRACE (DEBUG::LaunchControlXL, "stop event loop\n");
141 LaunchControlXL::begin_using_device ()
143 DEBUG_TRACE (DEBUG::LaunchControlXL, "begin using device\n");
145 switch_template(template_number()); // first factory template
147 connect_session_signals ();
157 LaunchControlXL::stop_using_device ()
159 DEBUG_TRACE (DEBUG::LaunchControlXL, "stop using device\n");
162 DEBUG_TRACE (DEBUG::LaunchControlXL, "nothing to do, device not in use\n");
166 init_buttons (false);
168 session_connections.drop_connections ();
175 LaunchControlXL::ports_acquire ()
177 DEBUG_TRACE (DEBUG::LaunchControlXL, "acquiring ports\n");
181 _async_in = AudioEngine::instance()->register_input_port (DataType::MIDI, X_("Launch Control XL in"), true);
182 _async_out = AudioEngine::instance()->register_output_port (DataType::MIDI, X_("Launch Control XL out"), true);
184 if (_async_in == 0 || _async_out == 0) {
185 DEBUG_TRACE (DEBUG::LaunchControlXL, "cannot register ports\n");
189 /* We do not add our ports to the input/output bundles because we don't
190 * want users wiring them by hand. They could use JACK tools if they
191 * really insist on that (and use JACK)
194 _input_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(_async_in).get();
195 _output_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(_async_out).get();
197 session->BundleAddedOrRemoved ();
199 connect_to_parser ();
201 /* Connect input port to event loop */
205 asp = static_cast<AsyncMIDIPort*> (_input_port);
206 asp->xthread().set_receive_handler (sigc::bind (sigc::mem_fun (this, &LaunchControlXL::midi_input_handler), _input_port));
207 asp->xthread().attach (main_loop()->get_context());
213 LaunchControlXL::ports_release ()
215 DEBUG_TRACE (DEBUG::LaunchControlXL, "releasing ports\n");
217 /* wait for button data to be flushed */
219 asp = static_cast<AsyncMIDIPort*> (_output_port);
220 asp->drain (10000, 500000);
223 Glib::Threads::Mutex::Lock em (AudioEngine::instance()->process_lock());
224 AudioEngine::instance()->unregister_port (_async_in);
225 AudioEngine::instance()->unregister_port (_async_out);
228 _async_in.reset ((ARDOUR::Port*) 0);
229 _async_out.reset ((ARDOUR::Port*) 0);
234 list<boost::shared_ptr<ARDOUR::Bundle> >
235 LaunchControlXL::bundles ()
237 list<boost::shared_ptr<ARDOUR::Bundle> > b;
239 if (_output_bundle) {
240 b.push_back (_output_bundle);
248 LaunchControlXL::init_buttons (bool startup)
250 reset(template_number());
253 switch_bank(bank_start);
258 LaunchControlXL::probe ()
264 LaunchControlXL::request_factory (uint32_t num_requests)
266 /* AbstractUI<T>::request_buffer_factory() is a template method only
267 instantiated in this source module. To provide something visible for
268 use in the interface/descriptor, we have this static method that is
271 return request_buffer_factory (num_requests);
275 LaunchControlXL::do_request (LaunchControlRequest * req)
277 if (req->type == CallSlot) {
279 call_slot (MISSING_INVALIDATOR, req->the_slot);
281 } else if (req->type == Quit) {
283 stop_using_device ();
288 LaunchControlXL::reset(uint8_t chan)
290 MidiByteArray msg (3, 176 + chan, 0, 0); // turn off all leds, reset buffer settings and duty cycle
295 LaunchControlXL::set_active (bool yn)
297 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose("LaunchControlProtocol::set_active init with yn: '%1'\n", yn));
299 if (yn == active()) {
304 if ((connection_state & (InputConnected|OutputConnected)) == (InputConnected|OutputConnected)) {
305 begin_using_device ();
307 /* begin_using_device () will get called once we're connected */
311 /* Control Protocol Manager never calls us with false, but
312 * insteads destroys us.
316 ControlProtocol::set_active (yn);
318 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose("LaunchControlProtocol::set_active done with yn: '%1'\n", yn));
324 LaunchControlXL::write (const MidiByteArray& data)
326 /* immediate delivery */
327 _output_port->write (&data[0], data.size(), 0);
330 /* Device to Ardour message handling */
333 LaunchControlXL::midi_input_handler (IOCondition ioc, MIDI::Port* port)
336 DEBUG_TRACE (DEBUG::LaunchControlXL, "MIDI port closed\n");
342 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("something happened on %1\n", port->name()));
344 AsyncMIDIPort* asp = static_cast<AsyncMIDIPort*>(port);
349 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("data available on %1\n", port->name()));
351 samplepos_t now = AudioEngine::instance()->sample_time();
361 LaunchControlXL::connect_to_parser ()
363 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("Connecting to signals on port %1\n", _input_port->name()));
365 MIDI::Parser* p = _input_port->parser();
368 p->sysex.connect_same_thread (*this, boost::bind (&LaunchControlXL::handle_midi_sysex, this, _1, _2, _3));
370 for (MIDI::channel_t n = 0; n < 16; ++n) {
372 p->channel_controller[(int)n].connect_same_thread (*this, boost::bind (&LaunchControlXL::handle_midi_controller_message, this, _1, _2, n));
373 /* Button messages are NoteOn */
374 p->channel_note_on[(int)n].connect_same_thread (*this, boost::bind (&LaunchControlXL::handle_midi_note_on_message, this, _1, _2, n));
375 /* Button messages are NoteOn but libmidi++ sends note-on w/velocity = 0 as note-off so catch them too */
376 p->channel_note_off[(int)n].connect_same_thread (*this, boost::bind (&LaunchControlXL::handle_midi_note_off_message, this, _1, _2, n));
381 LaunchControlXL::handle_midi_sysex (MIDI::Parser&, MIDI::byte* raw_bytes, size_t sz)
383 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("Sysex, %1 bytes\n", sz));
389 MidiByteArray msg (sz, raw_bytes);
390 MidiByteArray lcxl_sysex_header (6, 0xF0, 0x00, 0x20, 0x29, 0x02, 0x11);
392 if (!lcxl_sysex_header.compare_n (msg, 6)) {
398 case 0x77: /* template change */
399 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("Template change: %1 n", msg[7]));
400 _template_number = msg[7];
407 LaunchControlXL::handle_button_message(Button* button, MIDI::EventTwoBytes* ev)
410 /* any press cancels any pending long press timeouts */
411 for (set<ButtonID>::iterator x = buttons_down.begin(); x != buttons_down.end(); ++x) {
412 ControllerButton* cb = id_controller_button_map[*x];
413 NoteButton* nb = id_note_button_map[*x];
415 cb->timeout_connection.disconnect();
416 } else if (nb != 0) {
417 nb->timeout_connection.disconnect();
421 buttons_down.insert(button->id());
422 DEBUG_TRACE(DEBUG::LaunchControlXL, string_compose("button pressed: %1\n", LaunchControlXL::button_name_by_id(button->id())));
423 start_press_timeout(button, button->id());
425 DEBUG_TRACE(DEBUG::LaunchControlXL, string_compose("button depressed: %1\n", LaunchControlXL::button_name_by_id(button->id())));
426 buttons_down.erase(button->id());
427 button->timeout_connection.disconnect();
430 set<ButtonID>::iterator c = consumed.find(button->id());
432 if (c == consumed.end()) {
433 if (ev->value == 0) {
434 (this->*button->release_method)();
436 (this->*button->press_method)();
439 DEBUG_TRACE(DEBUG::LaunchControlXL, "button was consumed, ignored\n");
445 LaunchControlXL::check_pick_up(Controller* controller, boost::shared_ptr<AutomationControl> ac)
447 /* returns false until the controller value matches with the current setting of the stripable's ac */
448 return ( abs( controller->value() / 127.0 - ac->internal_to_interface(ac->get_value()) ) < 0.007875 );
452 LaunchControlXL::handle_knob_message (Knob* knob)
454 uint8_t chan = knob->id() % 8; // get the strip channel number
455 if (!stripable[chan]) {
459 boost::shared_ptr<AutomationControl> ac;
461 if (knob->id() < 8) { // sendA knob
462 if (buttons_down.find(Device) != buttons_down.end()) { // Device button hold
463 ac = stripable[chan]->trim_control();
465 ac = stripable[chan]->send_level_controllable (0);
467 } else if (knob->id() >= 8 && knob->id() < 16) { // sendB knob
468 if (buttons_down.find(Device) != buttons_down.end()) { // Device button hold
471 ac = stripable[chan]->send_level_controllable (1);
473 } else if (knob->id() >= 16 && knob->id() < 24) { // pan knob
474 if (buttons_down.find(Device) != buttons_down.end()) { // Device button hold
475 ac = stripable[chan]->pan_width_control();
477 ac = stripable[chan]->pan_azimuth_control();
481 if (ac && check_pick_up(knob, ac)) {
482 ac->set_value ( ac->interface_to_internal( knob->value() / 127.0), PBD::Controllable::UseGroup );
487 LaunchControlXL::handle_fader_message (Fader* fader)
490 if (!stripable[fader->id()]) {
494 boost::shared_ptr<AutomationControl> ac = stripable[fader->id()]->gain_control();
495 if (ac && check_pick_up(fader, ac)) {
496 ac->set_value ( ac->interface_to_internal( fader->value() / 127.0), PBD::Controllable::UseGroup );
501 LaunchControlXL::handle_midi_controller_message (MIDI::Parser& parser, MIDI::EventTwoBytes* ev, MIDI::channel_t chan)
503 _template_number = (int)chan;
505 if (template_number() < 8) {
506 return; // only treat factory templates
508 // DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("CC %1 (value %2)\n", (int) ev->controller_number, (int) ev->value));
510 CCControllerButtonMap::iterator b = cc_controller_button_map.find (ev->controller_number);
511 CCFaderMap::iterator f = cc_fader_map.find (ev->controller_number);
512 CCKnobMap::iterator k = cc_knob_map.find (ev->controller_number);
514 if (b != cc_controller_button_map.end()) {
515 Button* button = b->second;
516 handle_button_message(button, ev);
517 } else if (f != cc_fader_map.end()) {
518 Fader* fader = f->second;
519 fader->set_value(ev->value);
520 handle_fader_message(fader);
522 } else if (k != cc_knob_map.end()) {
523 Knob* knob = k->second;
524 knob->set_value(ev->value);
525 handle_knob_message(knob);
530 LaunchControlXL::handle_midi_note_on_message (MIDI::Parser& parser, MIDI::EventTwoBytes* ev, MIDI::channel_t chan)
532 _template_number = (int)chan;
534 if (template_number() < 8) {
535 return; // only treat factory templates
538 //DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("Note On %1 (velocity %2)\n", (int) ev->note_number, (int) ev->velocity));
540 NNNoteButtonMap::iterator b = nn_note_button_map.find (ev->controller_number);
542 if (b != nn_note_button_map.end()) {
543 Button* button = b->second;
544 handle_button_message(button, ev);
548 void LaunchControlXL::handle_midi_note_off_message(MIDI::Parser & parser, MIDI::EventTwoBytes *ev, MIDI::channel_t chan)
550 //DEBUG_TRACE(DEBUG::LaunchControlXL, string_compose("Note Off %1 (velocity %2)\n",(int)ev->note_number, (int)ev->velocity));
551 handle_midi_note_on_message(parser, ev, chan); /* we handle both case in handle_midi_note_on_message */
554 /* Ardour session signals connection */
557 LaunchControlXL::thread_init ()
559 pthread_set_name (event_loop_name().c_str());
561 PBD::notify_event_loops_about_thread_creation (pthread_self(), event_loop_name(), 2048);
562 ARDOUR::SessionEvent::create_per_thread_pool (event_loop_name(), 128);
564 set_thread_priority ();
568 LaunchControlXL::connect_session_signals()
570 // receive transport state changed
571 session->TransportStateChange.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::notify_transport_state_changed, this), this);
572 session->TransportLooped.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::notify_loop_state_changed, this), this);
573 // receive punch-in and punch-out
574 Config->ParameterChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::notify_parameter_changed, this, _1), this);
575 session->config.ParameterChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::notify_parameter_changed, this, _1), this);
577 // receive rude solo changed
578 //session->SoloActive.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::notify_solo_active_changed, this, _1), this);
579 // receive record state toggled
580 //session->RecordStateChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::notify_record_state_changed, this), this);
586 LaunchControlXL::notify_transport_state_changed ()
588 Button* b = id_button_map[Play];
590 if (session->transport_rolling()) {
591 b->set_state (LED::OneShot24th);
592 b->set_color (LED::GreenFull);
595 disable any blink on FixedLength from pending edit range op
596 Button* fl = id_button_map[FixedLength];
598 fl->set_color (LED::Black);
599 fl->set_state (LED::NoTransition);
600 write (fl->state_msg());
602 b->set_color (LED::White);
603 b->set_state (LED::NoTransition);
606 write (b->state_msg()); */
610 LaunchControlXL::notify_loop_state_changed ()
615 LaunchControlXL::notify_parameter_changed (std::string param)
617 IDButtonMap::iterator b;
619 if (param == "clicking") {
620 if ((b = id_button_map.find (Metronome)) == id_button_map.end()) {
623 if (Config->get_clicking()) {
624 b->second->set_state (LED::Blinking4th);
625 b->second->set_color (LED::White);
627 b->second->set_color (LED::White);
628 b->second->set_state (LED::NoTransition);
630 write (b->second->state_msg ()) ;
634 /* connection handling */
637 LaunchControlXL::get_state()
639 XMLNode& node (ControlProtocol::get_state());
642 child = new XMLNode (X_("Input"));
643 child->add_child_nocopy (_async_in->get_state());
644 node.add_child_nocopy (*child);
645 child = new XMLNode (X_("Output"));
646 child->add_child_nocopy (_async_out->get_state());
647 node.add_child_nocopy (*child);
653 LaunchControlXL::set_state (const XMLNode & node, int version)
655 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("LaunchControlXL::set_state: active %1\n", active()));
659 if (ControlProtocol::set_state (node, version)) {
665 if ((child = node.child (X_("Input"))) != 0) {
666 XMLNode* portnode = child->child (Port::state_node_name.c_str());
668 _async_in->set_state (*portnode, version);
672 if ((child = node.child (X_("Output"))) != 0) {
673 XMLNode* portnode = child->child (Port::state_node_name.c_str());
675 _async_out->set_state (*portnode, version);
683 LaunchControlXL::port_registration_handler ()
685 if (!_async_in && !_async_out) {
686 /* ports not registered yet */
690 if (_async_in->connected() && _async_out->connected()) {
691 /* don't waste cycles here */
696 /* the origin of the numeric magic identifiers is known only to Ableton
697 and may change in time. This is part of how CoreMIDI works.
699 string input_port_name = X_("system:midi_capture_1319078870");
700 string output_port_name = X_("system:midi_playback_3409210341");
702 string input_port_name = X_("Novation Launch Control XL MIDI 1 in");
703 string output_port_name = X_("Novation Launch Control XL MIDI 1 out");
708 AudioEngine::instance()->get_ports (string_compose (".*%1", input_port_name), DataType::MIDI, PortFlags (IsPhysical|IsOutput), in);
709 AudioEngine::instance()->get_ports (string_compose (".*%1", output_port_name), DataType::MIDI, PortFlags (IsPhysical|IsInput), out);
711 if (!in.empty() && !out.empty()) {
712 cerr << "LaunchControlXL: both ports found\n";
713 cerr << "\tconnecting to " << in.front() << " + " << out.front() << endl;
714 if (!_async_in->connected()) {
715 AudioEngine::instance()->connect (_async_in->name(), in.front());
717 if (!_async_out->connected()) {
718 AudioEngine::instance()->connect (_async_out->name(), out.front());
724 LaunchControlXL::connection_handler (boost::weak_ptr<ARDOUR::Port>, std::string name1, boost::weak_ptr<ARDOUR::Port>, std::string name2, bool yn)
726 DEBUG_TRACE (DEBUG::LaunchControlXL, "LaunchControlXL::connection_handler start\n");
727 if (!_input_port || !_output_port) {
731 string ni = ARDOUR::AudioEngine::instance()->make_port_name_non_relative (boost::shared_ptr<ARDOUR::Port>(_async_in)->name());
732 string no = ARDOUR::AudioEngine::instance()->make_port_name_non_relative (boost::shared_ptr<ARDOUR::Port>(_async_out)->name());
734 if (ni == name1 || ni == name2) {
736 connection_state |= InputConnected;
738 connection_state &= ~InputConnected;
740 } else if (no == name1 || no == name2) {
742 connection_state |= OutputConnected;
744 connection_state &= ~OutputConnected;
747 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("Connections between %1 and %2 changed, but I ignored it\n", name1, name2));
752 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("our ports changed connection state: %1 -> %2 connected ? %3\n",
755 if ((connection_state & (InputConnected|OutputConnected)) == (InputConnected|OutputConnected)) {
757 /* XXX this is a horrible hack. Without a short sleep here,
758 something prevents the device wakeup messages from being
759 sent and/or the responses from being received.
763 DEBUG_TRACE (DEBUG::LaunchControlXL, "device now connected for both input and output\n");
765 begin_using_device ();
768 DEBUG_TRACE (DEBUG::LaunchControlXL, "Device disconnected (input or output or both) or not yet fully connected\n");
769 stop_using_device ();
772 ConnectionChange (); /* emit signal for our GUI */
774 DEBUG_TRACE (DEBUG::LaunchControlXL, "LaunchControlXL::connection_handler end\n");
776 return true; /* connection status changed */
780 boost::shared_ptr<Port>
781 LaunchControlXL::output_port()
786 boost::shared_ptr<Port>
787 LaunchControlXL::input_port()
792 /* Stripables handling */
795 LaunchControlXL::stripable_selection_changed () // we don't need it but it's needs to be declared...
801 LaunchControlXL::stripable_property_change (PropertyChange const& what_changed, uint32_t which)
804 if (what_changed.contains (Properties::hidden)) {
805 switch_bank (bank_start);
808 if (what_changed.contains (Properties::selected)) {
810 if (!stripable[which]) {
814 update_track_focus_led ((uint8_t) which);
820 LaunchControlXL::switch_template (uint8_t t)
822 MidiByteArray msg (9, 0xf0, 0x00, 0x20, 0x29, 0x02, 0x11, 0x77, t, 0xf7);
827 LaunchControlXL::switch_bank (uint32_t base)
829 SelectButton* sl = static_cast<SelectButton*>(id_controller_button_map[SelectLeft]);
830 SelectButton* sr = static_cast<SelectButton*>(id_controller_button_map[SelectRight]);
832 /* work backwards so we can tell if we should actually switch banks */
834 boost::shared_ptr<Stripable> s[8];
835 uint32_t different = 0;
837 for (int n = 0; n < 7; ++n) {
838 s[n] = session->get_remote_nth_stripable (base+n, PresentationInfo::Flag (PresentationInfo::Route|PresentationInfo::VCA));
839 if (s[n] != stripable[n]) {
845 write(sl->state_msg((base)));
846 write(sr->state_msg((s[1] != 0)));
850 /* not even the first stripable exists, do nothing */
854 stripable_connections.drop_connections ();
856 for (int n = 0; n < 7; ++n) {
860 /* at least one stripable in this bank */
864 for (int n = 0; n < 8; ++n) {
867 /* stripable goes away? refill the bank, starting at the same point */
869 stripable[n]->DropReferences.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::switch_bank, this, bank_start), lcxl);
870 stripable[n]->presentation_info().PropertyChanged.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::stripable_property_change, this, _1, n), lcxl);
871 stripable[n]->solo_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::solo_changed, this, n), lcxl);
872 stripable[n]->mute_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::mute_changed, this, n), lcxl);
873 if (stripable[n]->rec_enable_control()) {
874 stripable[n]->rec_enable_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::rec_changed, this, n), lcxl);
877 update_track_focus_led(n);
878 button_track_mode(track_mode());
883 LaunchControlXL::stripables_added ()
885 DEBUG_TRACE (DEBUG::LaunchControlXL, "LaunchControlXL::new stripable added!\n");
886 /* reload current bank */
887 switch_bank (bank_start);
891 void LaunchControlXL::set_track_mode (TrackMode mode) {
894 // now do led stuffs to signify the change