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 "temporal/time.h"
33 #include "temporal/bbt_time.h"
35 #include "ardour/amp.h"
36 #include "ardour/async_midi_port.h"
37 #include "ardour/audioengine.h"
38 #include "ardour/debug.h"
39 #include "ardour/midiport_manager.h"
40 #include "ardour/midi_track.h"
41 #include "ardour/midi_port.h"
42 #include "ardour/session.h"
43 #include "ardour/tempo.h"
44 #include "ardour/types_convert.h"
45 #include "ardour/vca_manager.h"
48 #include "gtkmm2ext/gui_thread.h"
51 #include "launch_control_xl.h"
55 #ifdef PLATFORM_WINDOWS
56 #define random() rand()
59 using namespace ARDOUR;
63 using namespace ArdourSurface;
64 #include "pbd/abstract_ui.cc" // instantiate template
66 /* init global object */
67 LaunchControlXL* lcxl = 0;
69 LaunchControlXL::LaunchControlXL (ARDOUR::Session& s)
70 : ControlProtocol (s, string (X_("Novation Launch Control XL")))
71 , AbstractUI<LaunchControlRequest> (name())
73 , _track_mode(TrackMute)
74 , _template_number(8) // default template (factory 1)
76 , connection_state (ConnectionState (0))
78 , in_range_select (false)
81 /* we're going to need this */
85 /* master cannot be removed, so no need to connect to going-away signal */
86 master = session->master_out ();
87 /* the master bus will always be on the last channel on the lcxl */
88 stripable[7] = master;
93 /* Ports exist for the life of this instance */
97 /* catch arrival and departure of LaunchControlXL itself */
98 ARDOUR::AudioEngine::instance()->PortRegisteredOrUnregistered.connect (port_reg_connection, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::port_registration_handler, this), this);
100 /* Catch port connections and disconnections */
101 ARDOUR::AudioEngine::instance()->PortConnectedOrDisconnected.connect (port_connection, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::connection_handler, this, _1, _2, _3, _4, _5), this);
103 /* Launch Control XL ports might already be there */
104 port_registration_handler ();
106 session->RouteAdded.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::stripables_added, this), lcxl);
107 session->vca_manager().VCAAdded.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::stripables_added, this), lcxl);
109 switch_bank (bank_start);
112 LaunchControlXL::~LaunchControlXL ()
114 DEBUG_TRACE (DEBUG::LaunchControlXL, "Launch Control XL control surface object being destroyed\n");
116 /* do this before stopping the event loop, so that we don't get any notifications */
117 port_reg_connection.disconnect ();
118 port_connection.disconnect ();
120 stop_using_device ();
128 LaunchControlXL::run_event_loop ()
130 DEBUG_TRACE (DEBUG::LaunchControlXL, "start event loop\n");
135 LaunchControlXL::stop_event_loop ()
137 DEBUG_TRACE (DEBUG::LaunchControlXL, "stop event loop\n");
142 LaunchControlXL::begin_using_device ()
144 DEBUG_TRACE (DEBUG::LaunchControlXL, "begin using device\n");
146 switch_template(template_number()); // first factory template
148 connect_session_signals ();
159 LaunchControlXL::stop_using_device ()
161 DEBUG_TRACE (DEBUG::LaunchControlXL, "stop using device\n");
164 DEBUG_TRACE (DEBUG::LaunchControlXL, "nothing to do, device not in use\n");
168 init_buttons (false);
170 session_connections.drop_connections ();
177 LaunchControlXL::ports_acquire ()
179 DEBUG_TRACE (DEBUG::LaunchControlXL, "acquiring ports\n");
183 _async_in = AudioEngine::instance()->register_input_port (DataType::MIDI, X_("Launch Control XL in"), true);
184 _async_out = AudioEngine::instance()->register_output_port (DataType::MIDI, X_("Launch Control XL out"), true);
186 if (_async_in == 0 || _async_out == 0) {
187 DEBUG_TRACE (DEBUG::LaunchControlXL, "cannot register ports\n");
191 /* We do not add our ports to the input/output bundles because we don't
192 * want users wiring them by hand. They could use JACK tools if they
193 * really insist on that (and use JACK)
196 _input_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(_async_in).get();
197 _output_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(_async_out).get();
199 session->BundleAddedOrRemoved ();
201 connect_to_parser ();
203 /* Connect input port to event loop */
207 asp = static_cast<AsyncMIDIPort*> (_input_port);
208 asp->xthread().set_receive_handler (sigc::bind (sigc::mem_fun (this, &LaunchControlXL::midi_input_handler), _input_port));
209 asp->xthread().attach (main_loop()->get_context());
215 LaunchControlXL::ports_release ()
217 DEBUG_TRACE (DEBUG::LaunchControlXL, "releasing ports\n");
219 /* wait for button data to be flushed */
221 asp = static_cast<AsyncMIDIPort*> (_output_port);
222 asp->drain (10000, 500000);
225 Glib::Threads::Mutex::Lock em (AudioEngine::instance()->process_lock());
226 AudioEngine::instance()->unregister_port (_async_in);
227 AudioEngine::instance()->unregister_port (_async_out);
230 _async_in.reset ((ARDOUR::Port*) 0);
231 _async_out.reset ((ARDOUR::Port*) 0);
236 list<boost::shared_ptr<ARDOUR::Bundle> >
237 LaunchControlXL::bundles ()
239 list<boost::shared_ptr<ARDOUR::Bundle> > b;
241 if (_output_bundle) {
242 b.push_back (_output_bundle);
250 LaunchControlXL::init_buttons (bool startup)
253 button_track_mode(track_mode());
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::set_active (bool yn)
290 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose("LaunchControlProtocol::set_active init with yn: '%1'\n", yn));
292 if (yn == active()) {
297 if ((connection_state & (InputConnected|OutputConnected)) == (InputConnected|OutputConnected)) {
298 begin_using_device ();
300 /* begin_using_device () will get called once we're connected */
304 /* Control Protocol Manager never calls us with false, but
305 * insteads destroys us.
309 ControlProtocol::set_active (yn);
311 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose("LaunchControlProtocol::set_active done with yn: '%1'\n", yn));
317 LaunchControlXL::write (const MidiByteArray& data)
319 /* immediate delivery */
320 _output_port->write (&data[0], data.size(), 0);
323 /* Device to Ardour message handling */
326 LaunchControlXL::midi_input_handler (IOCondition ioc, MIDI::Port* port)
329 DEBUG_TRACE (DEBUG::LaunchControlXL, "MIDI port closed\n");
335 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("something happened on %1\n", port->name()));
337 AsyncMIDIPort* asp = static_cast<AsyncMIDIPort*>(port);
342 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("data available on %1\n", port->name()));
344 samplepos_t now = AudioEngine::instance()->sample_time();
354 LaunchControlXL::connect_to_parser ()
356 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("Connecting to signals on port %1\n", _input_port->name()));
358 MIDI::Parser* p = _input_port->parser();
361 p->sysex.connect_same_thread (*this, boost::bind (&LaunchControlXL::handle_midi_sysex, this, _1, _2, _3));
363 for (MIDI::channel_t n = 0; n < 16; ++n) {
365 p->channel_controller[(int)n].connect_same_thread (*this, boost::bind (&LaunchControlXL::handle_midi_controller_message, this, _1, _2, n));
366 /* Button messages are NoteOn */
367 p->channel_note_on[(int)n].connect_same_thread (*this, boost::bind (&LaunchControlXL::handle_midi_note_on_message, this, _1, _2, n));
368 /* Button messages are NoteOn but libmidi++ sends note-on w/velocity = 0 as note-off so catch them too */
369 p->channel_note_off[(int)n].connect_same_thread (*this, boost::bind (&LaunchControlXL::handle_midi_note_off_message, this, _1, _2, n));
374 LaunchControlXL::handle_midi_sysex (MIDI::Parser&, MIDI::byte* raw_bytes, size_t sz)
376 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("Sysex, %1 bytes\n", sz));
382 MidiByteArray msg (sz, raw_bytes);
383 MidiByteArray lcxl_sysex_header (6, 0xF0, 0x00, 0x20, 0x29, 0x02, 0x11);
385 if (!lcxl_sysex_header.compare_n (msg, 6)) {
391 case 0x77: /* template change */
392 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("Template change: %1 n", msg[7]));
393 _template_number = msg[7];
400 LaunchControlXL::handle_button_message(Button* button, MIDI::EventTwoBytes* ev)
403 /* any press cancels any pending long press timeouts */
404 for (set<ButtonID>::iterator x = buttons_down.begin(); x != buttons_down.end(); ++x) {
405 ControllerButton* cb = id_controller_button_map[*x];
406 NoteButton* nb = id_note_button_map[*x];
408 cb->timeout_connection.disconnect();
411 nb->timeout_connection.disconnect();
415 buttons_down.insert(button->id());
416 DEBUG_TRACE(DEBUG::LaunchControlXL, string_compose("button pressed: %1\n", LaunchControlXL::button_name_by_id(button->id())));
417 start_press_timeout(button, button->id());
420 DEBUG_TRACE(DEBUG::LaunchControlXL, string_compose("button depressed: %1\n", LaunchControlXL::button_name_by_id(button->id())));
421 buttons_down.erase(button->id());
422 button->timeout_connection.disconnect();
425 set<ButtonID>::iterator c = consumed.find(button->id());
427 if (c == consumed.end()) {
428 if (ev->value == 0) {
429 (this->*button->release_method)();
432 (this->*button->press_method)();
436 DEBUG_TRACE(DEBUG::LaunchControlXL, "button was consumed, ignored\n");
442 LaunchControlXL::handle_knob_message (Knob* knob)
444 uint8_t chan = knob->id() % 8; // get the strip channel number
445 if (!stripable[chan]) {
449 boost::shared_ptr<AutomationControl> ac;
451 if (knob->id() < 8) { // sendA
452 ac = stripable[chan]->trim_control();
454 else if (knob->id() >= 8 && knob->id() < 16) { // sendB
455 ac = stripable[chan]->pan_width_control();
457 else if (knob->id() >= 16 && knob->id() < 24) { // pan
458 ac = stripable[chan]->pan_azimuth_control();
462 ac->set_value ( ac->interface_to_internal( knob->value() / 127.0), PBD::Controllable::UseGroup );
467 LaunchControlXL::handle_fader_message (Fader* fader)
470 if (!stripable[fader->id()]) {
474 boost::shared_ptr<AutomationControl> ac = stripable[fader->id()]->gain_control();
476 ac->set_value ( ac->interface_to_internal( fader->value() / 127.0), PBD::Controllable::UseGroup );
481 LaunchControlXL::handle_midi_controller_message (MIDI::Parser& parser, MIDI::EventTwoBytes* ev, MIDI::channel_t chan)
483 _template_number = (int)chan;
485 if (template_number() < 8) {
486 return; // only treat factory templates
488 // DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("CC %1 (value %2)\n", (int) ev->controller_number, (int) ev->value));
490 CCControllerButtonMap::iterator b = cc_controller_button_map.find (ev->controller_number);
491 CCFaderMap::iterator f = cc_fader_map.find (ev->controller_number);
492 CCKnobMap::iterator k = cc_knob_map.find (ev->controller_number);
494 if (b != cc_controller_button_map.end()) {
495 Button* button = b->second;
496 handle_button_message(button, ev);
498 else if (f != cc_fader_map.end()) {
499 Fader* fader = f->second;
500 fader->set_value(ev->value);
501 handle_fader_message(fader);
504 else if (k != cc_knob_map.end()) {
505 Knob* knob = k->second;
506 knob->set_value(ev->value);
507 handle_knob_message(knob);
512 LaunchControlXL::handle_midi_note_on_message (MIDI::Parser& parser, MIDI::EventTwoBytes* ev, MIDI::channel_t chan)
514 _template_number = (int)chan;
516 if (template_number() < 8) {
517 return; // only treat factory templates
520 //DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("Note On %1 (velocity %2)\n", (int) ev->note_number, (int) ev->velocity));
522 NNNoteButtonMap::iterator b = nn_note_button_map.find (ev->controller_number);
524 if (b != nn_note_button_map.end()) {
525 Button* button = b->second;
526 handle_button_message(button, ev);
530 void LaunchControlXL::handle_midi_note_off_message(MIDI::Parser & parser, MIDI::EventTwoBytes *ev, MIDI::channel_t chan)
532 //DEBUG_TRACE(DEBUG::LaunchControlXL, string_compose("Note Off %1 (velocity %2)\n",(int)ev->note_number, (int)ev->velocity));
533 handle_midi_note_on_message(parser, ev, chan); /* we handle both case in handle_midi_note_on_message */
536 /* Ardour session signals connection */
539 LaunchControlXL::thread_init ()
541 pthread_set_name (event_loop_name().c_str());
543 PBD::notify_event_loops_about_thread_creation (pthread_self(), event_loop_name(), 2048);
544 ARDOUR::SessionEvent::create_per_thread_pool (event_loop_name(), 128);
546 set_thread_priority ();
550 LaunchControlXL::connect_session_signals()
552 // receive transport state changed
553 session->TransportStateChange.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::notify_transport_state_changed, this), this);
554 session->TransportLooped.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::notify_loop_state_changed, this), this);
555 // receive punch-in and punch-out
556 Config->ParameterChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::notify_parameter_changed, this, _1), this);
557 session->config.ParameterChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::notify_parameter_changed, this, _1), this);
559 // receive rude solo changed
560 //session->SoloActive.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::notify_solo_active_changed, this, _1), this);
561 // receive record state toggled
562 //session->RecordStateChanged.connect(session_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::notify_record_state_changed, this), this);
568 LaunchControlXL::notify_transport_state_changed ()
570 Button* b = id_button_map[Play];
572 if (session->transport_rolling()) {
573 b->set_state (LED::OneShot24th);
574 b->set_color (LED::GreenFull);
577 disable any blink on FixedLength from pending edit range op
578 Button* fl = id_button_map[FixedLength];
580 fl->set_color (LED::Black);
581 fl->set_state (LED::NoTransition);
582 write (fl->state_msg());
584 b->set_color (LED::White);
585 b->set_state (LED::NoTransition);
588 write (b->state_msg()); */
592 LaunchControlXL::notify_loop_state_changed ()
597 LaunchControlXL::notify_parameter_changed (std::string param)
599 IDButtonMap::iterator b;
601 if (param == "clicking") {
602 if ((b = id_button_map.find (Metronome)) == id_button_map.end()) {
605 if (Config->get_clicking()) {
606 b->second->set_state (LED::Blinking4th);
607 b->second->set_color (LED::White);
609 b->second->set_color (LED::White);
610 b->second->set_state (LED::NoTransition);
612 write (b->second->state_msg ()) ;
616 /* connection handling */
619 LaunchControlXL::get_state()
621 XMLNode& node (ControlProtocol::get_state());
624 child = new XMLNode (X_("Input"));
625 child->add_child_nocopy (_async_in->get_state());
626 node.add_child_nocopy (*child);
627 child = new XMLNode (X_("Output"));
628 child->add_child_nocopy (_async_out->get_state());
629 node.add_child_nocopy (*child);
635 LaunchControlXL::set_state (const XMLNode & node, int version)
637 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("LaunchControlXL::set_state: active %1\n", active()));
641 if (ControlProtocol::set_state (node, version)) {
647 if ((child = node.child (X_("Input"))) != 0) {
648 XMLNode* portnode = child->child (Port::state_node_name.c_str());
650 _async_in->set_state (*portnode, version);
654 if ((child = node.child (X_("Output"))) != 0) {
655 XMLNode* portnode = child->child (Port::state_node_name.c_str());
657 _async_out->set_state (*portnode, version);
665 LaunchControlXL::port_registration_handler ()
667 if (!_async_in && !_async_out) {
668 /* ports not registered yet */
672 if (_async_in->connected() && _async_out->connected()) {
673 /* don't waste cycles here */
678 /* the origin of the numeric magic identifiers is known only to Ableton
679 and may change in time. This is part of how CoreMIDI works.
681 string input_port_name = X_("system:midi_capture_1319078870");
682 string output_port_name = X_("system:midi_playback_3409210341");
684 string input_port_name = X_("Novation Launch Control XL MIDI 1 in");
685 string output_port_name = X_("Novation Launch Control XL MIDI 1 out");
690 AudioEngine::instance()->get_ports (string_compose (".*%1", input_port_name), DataType::MIDI, PortFlags (IsPhysical|IsOutput), in);
691 AudioEngine::instance()->get_ports (string_compose (".*%1", output_port_name), DataType::MIDI, PortFlags (IsPhysical|IsInput), out);
693 if (!in.empty() && !out.empty()) {
694 cerr << "LaunchControlXL: both ports found\n";
695 cerr << "\tconnecting to " << in.front() << " + " << out.front() << endl;
696 if (!_async_in->connected()) {
697 AudioEngine::instance()->connect (_async_in->name(), in.front());
699 if (!_async_out->connected()) {
700 AudioEngine::instance()->connect (_async_out->name(), out.front());
706 LaunchControlXL::connection_handler (boost::weak_ptr<ARDOUR::Port>, std::string name1, boost::weak_ptr<ARDOUR::Port>, std::string name2, bool yn)
708 DEBUG_TRACE (DEBUG::LaunchControlXL, "LaunchControlXL::connection_handler start\n");
709 if (!_input_port || !_output_port) {
713 string ni = ARDOUR::AudioEngine::instance()->make_port_name_non_relative (boost::shared_ptr<ARDOUR::Port>(_async_in)->name());
714 string no = ARDOUR::AudioEngine::instance()->make_port_name_non_relative (boost::shared_ptr<ARDOUR::Port>(_async_out)->name());
716 if (ni == name1 || ni == name2) {
718 connection_state |= InputConnected;
720 connection_state &= ~InputConnected;
722 } else if (no == name1 || no == name2) {
724 connection_state |= OutputConnected;
726 connection_state &= ~OutputConnected;
729 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("Connections between %1 and %2 changed, but I ignored it\n", name1, name2));
734 DEBUG_TRACE (DEBUG::LaunchControlXL, string_compose ("our ports changed connection state: %1 -> %2 connected ? %3\n",
737 if ((connection_state & (InputConnected|OutputConnected)) == (InputConnected|OutputConnected)) {
739 /* XXX this is a horrible hack. Without a short sleep here,
740 something prevents the device wakeup messages from being
741 sent and/or the responses from being received.
745 DEBUG_TRACE (DEBUG::LaunchControlXL, "device now connected for both input and output\n");
747 begin_using_device ();
750 DEBUG_TRACE (DEBUG::LaunchControlXL, "Device disconnected (input or output or both) or not yet fully connected\n");
751 stop_using_device ();
754 ConnectionChange (); /* emit signal for our GUI */
756 DEBUG_TRACE (DEBUG::LaunchControlXL, "LaunchControlXL::connection_handler end\n");
758 return true; /* connection status changed */
762 boost::shared_ptr<Port>
763 LaunchControlXL::output_port()
768 boost::shared_ptr<Port>
769 LaunchControlXL::input_port()
774 /* Stripables handling */
777 LaunchControlXL::stripable_selection_changed () // we don't need it but it's needs to be declared...
783 LaunchControlXL::stripable_property_change (PropertyChange const& what_changed, uint32_t which)
786 if (what_changed.contains (Properties::hidden)) {
787 switch_bank (bank_start);
790 if (what_changed.contains (Properties::selected)) {
792 if (!stripable[which]) {
796 button_track_focus( (uint8_t)which );
803 LaunchControlXL::switch_template (uint8_t t)
805 MidiByteArray msg (9, 0xf0, 0x00, 0x20, 0x29, 0x02, 0x11, 0x77, t, 0xf7);
810 LaunchControlXL::switch_bank (uint32_t base)
812 SelectButton* sl = static_cast<SelectButton*>(id_controller_button_map[SelectLeft]);
813 SelectButton* sr = static_cast<SelectButton*>(id_controller_button_map[SelectRight]);
816 write(sl->state_msg( (base) ));
817 write(sr->state_msg( !(base) ));
822 stripable_connections.drop_connections ();
824 /* work backwards so we can tell if we should actually switch banks */
826 boost::shared_ptr<Stripable> s[8];
827 uint32_t different = 0;
829 for (int n = 0; n < 7; ++n) {
830 s[n] = session->get_remote_nth_stripable (base+n, PresentationInfo::Flag (PresentationInfo::Route|PresentationInfo::VCA));
831 if (s[n] != stripable[n]) {
837 /* not even the first stripable exists, do nothing */
838 for (int n = 0; n < 7; ++n) {
839 stripable[n].reset ();
844 for (int n = 0; n < 7; ++n) {
848 /* at least one stripable in this bank */
852 for (int n = 0; n < 8; ++n) {
855 /* stripable goes away? refill the bank, starting at the same point */
857 stripable[n]->DropReferences.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::switch_bank, this, bank_start), lcxl);
858 stripable[n]->presentation_info().PropertyChanged.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::stripable_property_change, this, _1, n), lcxl);
859 stripable[n]->solo_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::solo_changed, this, n), lcxl);
860 stripable[n]->mute_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::mute_changed, this, n), lcxl);
861 if (stripable[n]->rec_enable_control()) {
862 stripable[n]->rec_enable_control()->Changed.connect (stripable_connections, MISSING_INVALIDATOR, boost::bind (&LaunchControlXL::rec_changed, this, n), lcxl);
866 button_track_focus(n);
867 update_track_control_led(n);
873 LaunchControlXL::stripables_added ()
875 DEBUG_TRACE (DEBUG::LaunchControlXL, "LaunchControlXL::new stripable added!\n");
876 /* reload current bank */
877 switch_bank (bank_start);
881 void LaunchControlXL::set_track_mode (TrackMode mode) {
884 // now do led stuffs to signify the change