libs/surfaces/faderport8/faderport8.cc

   1 /*
   2  * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
   3  * Copyright (C) 2015 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 <cstdlib>
  21 #include <sstream>
  22 #include <algorithm>
  23
  24 #include <stdint.h>
  25
  26 #include "pbd/error.h"
  27 #include "pbd/failed_constructor.h"
  28 #include "pbd/pthread_utils.h"
  29 #include "pbd/compose.h"
  30 #include "pbd/xml++.h"
  31
  32 #include "midi++/port.h"
  33
  34 #include "ardour/audioengine.h"
  35 #include "ardour/audio_track.h"
  36 #include "ardour/bundle.h"
  37 #include "ardour/debug.h"
  38 #include "ardour/midi_track.h"
  39 #include "ardour/midiport_manager.h"
  40 #include "ardour/plugin.h"
  41 #include "ardour/plugin_insert.h"
  42 #include "ardour/processor.h"
  43 #include "ardour/rc_configuration.h"
  44 #include "ardour/route.h"
  45 #include "ardour/session.h"
  46 #include "ardour/session_configuration.h"
  47 #include "ardour/tempo.h"
  48 #include "ardour/vca.h"
  49
  50 #include "faderport8.h"
  51
  52 using namespace ARDOUR;
  53 using namespace ArdourSurface;
  54 using namespace PBD;
  55 using namespace Glib;
  56 using namespace std;
  57 using namespace ArdourSurface::FP8Types;
  58
  59 #include "pbd/i18n.h"
  60
  61 #include "pbd/abstract_ui.cc" // instantiate template
  62
  63 #ifndef NDEBUG
  64 //#define VERBOSE_DEBUG
  65 #endif
  66
  67 static void
  68 debug_2byte_msg (std::string const& msg, int b0, int b1)
  69 {
  70 #ifndef NDEBUG
  71         if (DEBUG_ENABLED(DEBUG::FaderPort8)) {
  72                 DEBUG_STR_DECL(a);
  73                 DEBUG_STR_APPEND(a, "RECV: ");
  74                 DEBUG_STR_APPEND(a, msg);
  75                 DEBUG_STR_APPEND(a,' ');
  76                 DEBUG_STR_APPEND(a,hex);
  77                 DEBUG_STR_APPEND(a,"0x");
  78                 DEBUG_STR_APPEND(a, b0);
  79                 DEBUG_STR_APPEND(a,' ');
  80                 DEBUG_STR_APPEND(a,"0x");
  81                 DEBUG_STR_APPEND(a, b1);
  82                 DEBUG_STR_APPEND(a,'\n');
  83                 DEBUG_TRACE (DEBUG::FaderPort8, DEBUG_STR(a).str());
  84         }
  85 #endif
  86 }
  87
  88 FaderPort8::FaderPort8 (Session& s)
  89         : ControlProtocol (s, _("PreSonus FaderPort8"))
  90         , AbstractUI<FaderPort8Request> (name())
  91         , _connection_state (ConnectionState (0))
  92         , _device_active (false)
  93         , _ctrls (*this)
  94         , _channel_off (0)
  95         , _plugin_off (0)
  96         , _parameter_off (0)
  97         , _show_presets (false)
  98         , _showing_well_known (0)
  99         , _blink_onoff (false)
 100         , _shift_lock (false)
 101         , _shift_pressed (0)
 102         , gui (0)
 103         , _link_enabled (false)
 104         , _link_locked (false)
 105         , _clock_mode (1)
 106         , _scribble_mode (2)
 107         , _two_line_text (false)
 108         , _auto_pluginui (true)
 109 {
 110         boost::shared_ptr<ARDOUR::Port> inp;
 111         boost::shared_ptr<ARDOUR::Port> outp;
 112
 113         inp  = AudioEngine::instance()->register_input_port (DataType::MIDI, "FaderPort8 Recv", true);
 114         outp = AudioEngine::instance()->register_output_port (DataType::MIDI, "FaderPort8 Send", true);
 115         _input_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(inp);
 116         _output_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(outp);
 117
 118         if (_input_port == 0 || _output_port == 0) {
 119                 throw failed_constructor();
 120         }
 121
 122         _input_bundle.reset (new ARDOUR::Bundle (_("FaderPort8 (Receive)"), true));
 123         _output_bundle.reset (new ARDOUR::Bundle (_("FaderPort8 (Send) "), false));
 124
 125         _input_bundle->add_channel (
 126                 inp->name(),
 127                 ARDOUR::DataType::MIDI,
 128                 session->engine().make_port_name_non_relative (inp->name())
 129                 );
 130
 131         _output_bundle->add_channel (
 132                 outp->name(),
 133                 ARDOUR::DataType::MIDI,
 134                 session->engine().make_port_name_non_relative (outp->name())
 135                 );
 136
 137         ARDOUR::AudioEngine::instance()->PortConnectedOrDisconnected.connect (port_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::connection_handler, this, _2, _4), this);
 138         ARDOUR::AudioEngine::instance()->Stopped.connect (port_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::engine_reset, this), this);
 139         ARDOUR::Port::PortDrop.connect (port_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::engine_reset, this), this);
 140
 141         /* bind button events to call libardour actions */
 142         setup_actions ();
 143
 144         _ctrls.FaderModeChanged.connect_same_thread (modechange_connections, boost::bind (&FaderPort8::notify_fader_mode_changed, this));
 145         _ctrls.MixModeChanged.connect_same_thread (modechange_connections, boost::bind (&FaderPort8::assign_strips, this, true));
 146 }
 147
 148 FaderPort8::~FaderPort8 ()
 149 {
 150         /* this will be called from the main UI thread. during Session::destroy().
 151          * There can be concurrent activity from BaseUI::main_thread -> AsyncMIDIPort
 152          * -> MIDI::Parser::signal -> ... to any of the midi_connections
 153          *
 154          * stop event loop early and join thread */
 155         stop ();
 156
 157         if (_input_port) {
 158                 DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("unregistering input port %1\n", boost::shared_ptr<ARDOUR::Port>(_input_port)->name()));
 159                 AudioEngine::instance()->unregister_port (_input_port);
 160                 _input_port.reset ();
 161         }
 162
 163         disconnected (); // zero faders, turn lights off, clear strips
 164
 165         if (_output_port) {
 166                 _output_port->drain (10000,  250000); /* check every 10 msecs, wait up to 1/4 second for the port to drain */
 167                 DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("unregistering output port %1\n", boost::shared_ptr<ARDOUR::Port>(_output_port)->name()));
 168                 AudioEngine::instance()->unregister_port (_output_port);
 169                 _output_port.reset ();
 170         }
 171
 172         tear_down_gui ();
 173 }
 174
 175 /* ****************************************************************************
 176  * Event Loop
 177  */
 178
 179 void*
 180 FaderPort8::request_factory (uint32_t num_requests)
 181 {
 182         /* AbstractUI<T>::request_buffer_factory() is a template method only
 183          * instantiated in this source module. To provide something visible for
 184          * use in the interface/descriptor, we have this static method that is
 185          * template-free.
 186          */
 187         return request_buffer_factory (num_requests);
 188 }
 189
 190 void
 191 FaderPort8::do_request (FaderPort8Request* req)
 192 {
 193         if (req->type == CallSlot) {
 194                 call_slot (MISSING_INVALIDATOR, req->the_slot);
 195         } else if (req->type == Quit) {
 196                 stop ();
 197                 disconnected ();
 198         }
 199 }
 200
 201 void
 202 FaderPort8::stop ()
 203 {
 204         DEBUG_TRACE (DEBUG::FaderPort8, "BaseUI::quit ()\n");
 205         BaseUI::quit ();
 206         close (); // drop references, disconnect from session signals
 207 }
 208
 209 void
 210 FaderPort8::thread_init ()
 211 {
 212         struct sched_param rtparam;
 213
 214         pthread_set_name (event_loop_name().c_str());
 215
 216         PBD::notify_event_loops_about_thread_creation (pthread_self(), event_loop_name(), 2048);
 217         ARDOUR::SessionEvent::create_per_thread_pool (event_loop_name(), 128);
 218
 219         memset (&rtparam, 0, sizeof (rtparam));
 220         rtparam.sched_priority = 9; /* XXX should be relative to audio (JACK) thread */
 221
 222         if (pthread_setschedparam (pthread_self(), SCHED_FIFO, &rtparam) != 0) {
 223                 // do we care? not particularly.
 224         }
 225 }
 226
 227 bool
 228 FaderPort8::periodic ()
 229 {
 230         /* prepare TC display -- handled by stripable Periodic ()
 231          * in FP8Strip::periodic_update_timecode
 232          */
 233         if (_ctrls.display_timecode () && clock_mode ()) {
 234                 Timecode::Time TC;
 235                 session->timecode_time (TC);
 236                 _timecode = Timecode::timecode_format_time(TC);
 237
 238                 char buf[16];
 239                 Timecode::BBT_Time BBT = session->tempo_map ().bbt_at_frame (session->transport_frame ());
 240                 snprintf (buf, sizeof (buf),
 241                                 " %02" PRIu32 "|%02" PRIu32 "|%02" PRIu32 "|%02" PRIu32,
 242                                 BBT.bars % 100, BBT.beats %100,
 243                                 (BBT.ticks/ 100) %100, BBT.ticks %100);
 244                 _musical_time = std::string (buf);
 245         } else {
 246                 _timecode.clear ();
 247                 _musical_time.clear ();
 248         }
 249
 250         /* update stripables */
 251         Periodic ();
 252         return true;
 253 }
 254
 255 bool
 256 FaderPort8::blink_it ()
 257 {
 258         _blink_onoff = !_blink_onoff;
 259         BlinkIt (_blink_onoff);
 260         return true;
 261 }
 262
 263 /* ****************************************************************************
 264  * Port and Signal Connection Management
 265  */
 266 int
 267 FaderPort8::set_active (bool yn)
 268 {
 269         DEBUG_TRACE (DEBUG::FaderPort8, string_compose("set_active init with yn: '%1'\n", yn));
 270
 271         if (yn == active()) {
 272                 return 0;
 273         }
 274
 275         if (yn) {
 276                 /* start event loop */
 277                 BaseUI::run ();
 278                 connect_session_signals ();
 279         } else {
 280                 stop ();
 281         }
 282
 283         ControlProtocol::set_active (yn);
 284         DEBUG_TRACE (DEBUG::FaderPort8, string_compose("set_active done with yn: '%1'\n", yn));
 285         return 0;
 286 }
 287
 288 void
 289 FaderPort8::close ()
 290 {
 291         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::close\n");
 292         stop_midi_handling ();
 293         session_connections.drop_connections ();
 294         automation_state_connections.drop_connections ();
 295         assigned_stripable_connections.drop_connections ();
 296         _assigned_strips.clear ();
 297         drop_ctrl_connections ();
 298         port_connections.drop_connections ();
 299         selection_connection.disconnect ();
 300 }
 301
 302 void
 303 FaderPort8::stop_midi_handling ()
 304 {
 305         _periodic_connection.disconnect ();
 306         _blink_connection.disconnect ();
 307         midi_connections.drop_connections ();
 308         /* Note: the input handler is still active at this point, but we're no
 309          * longer connected to any of the parser signals
 310          */
 311 }
 312
 313 void
 314 FaderPort8::connected ()
 315 {
 316         DEBUG_TRACE (DEBUG::FaderPort8, "initializing\n");
 317         assert (!_device_active);
 318
 319         if (_device_active) {
 320                 stop_midi_handling (); // re-init
 321         }
 322
 323         // ideally check firmware version >= 1.01 (USB bcdDevice 0x0101) (vendor 0x194f prod 0x0202)
 324         // but we don't have a handle to the underlying USB device here.
 325
 326         _channel_off = _plugin_off = _parameter_off = 0;
 327         _blink_onoff = false;
 328         _shift_lock = false;
 329         _shift_pressed = 0;
 330
 331         start_midi_handling ();
 332         _ctrls.initialize ();
 333
 334         /* highlight bound user-actions */
 335         for (FP8Controls::UserButtonMap::const_iterator i = _ctrls.user_buttons ().begin ();
 336                         i != _ctrls.user_buttons ().end (); ++i) {
 337                 _ctrls.button (i->first).set_active (! _user_action_map[i->first].empty ());
 338         }
 339         /* shift button lights */
 340         tx_midi3 (0x90, 0x06, 0x00);
 341         tx_midi3 (0x90, 0x46, 0x00);
 342
 343         send_session_state ();
 344         assign_strips (true);
 345
 346         Glib::RefPtr<Glib::TimeoutSource> blink_timer =
 347                 Glib::TimeoutSource::create (200);
 348         _blink_connection = blink_timer->connect (sigc::mem_fun (*this, &FaderPort8::blink_it));
 349         blink_timer->attach (main_loop()->get_context());
 350
 351         Glib::RefPtr<Glib::TimeoutSource> periodic_timer =
 352                 Glib::TimeoutSource::create (100);
 353         _periodic_connection = periodic_timer->connect (sigc::mem_fun (*this, &FaderPort8::periodic));
 354         periodic_timer->attach (main_loop()->get_context());
 355 }
 356
 357 void
 358 FaderPort8::disconnected ()
 359 {
 360         stop_midi_handling ();
 361         if (_device_active) {
 362                 for (uint8_t id = 0; id < 8; ++id) {
 363                         _ctrls.strip(id).unset_controllables ();
 364                 }
 365                 _ctrls.all_lights_off ();
 366         }
 367 }
 368
 369 void
 370 FaderPort8::engine_reset ()
 371 {
 372         /* Port::PortDrop is called when the engine is halted or stopped */
 373         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::engine_reset\n");
 374         _connection_state = 0;
 375         _device_active = false;
 376         disconnected ();
 377 }
 378
 379 bool
 380 FaderPort8::connection_handler (std::string name1, std::string name2)
 381 {
 382 #ifdef VERBOSE_DEBUG
 383         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::connection_handler: start\n");
 384 #endif
 385         if (!_input_port || !_output_port) {
 386                 return false;
 387         }
 388
 389         string ni = ARDOUR::AudioEngine::instance()->make_port_name_non_relative (boost::shared_ptr<ARDOUR::Port>(_input_port)->name());
 390         string no = ARDOUR::AudioEngine::instance()->make_port_name_non_relative (boost::shared_ptr<ARDOUR::Port>(_output_port)->name());
 391
 392         if (ni == name1 || ni == name2) {
 393                 DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("Connection notify %1 and %2\n", name1, name2));
 394                 if (_input_port->connected ()) {
 395                         if (_connection_state & InputConnected) {
 396                                 return false;
 397                         }
 398                         _connection_state |= InputConnected;
 399                 } else {
 400                         _connection_state &= ~InputConnected;
 401                 }
 402         } else if (no == name1 || no == name2) {
 403                 DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("Connection notify %1 and %2\n", name1, name2));
 404                 if (_output_port->connected ()) {
 405                         if (_connection_state & OutputConnected) {
 406                                 return false;
 407                         }
 408                         _connection_state |= OutputConnected;
 409                 } else {
 410                         _connection_state &= ~OutputConnected;
 411                 }
 412         } else {
 413 #ifdef VERBOSE_DEBUG
 414                 DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("Connections between %1 and %2 changed, but I ignored it\n", name1, name2));
 415 #endif
 416                 /* not our ports */
 417                 return false;
 418         }
 419
 420         if ((_connection_state & (InputConnected|OutputConnected)) == (InputConnected|OutputConnected)) {
 421
 422                 /* XXX this is a horrible hack. Without a short sleep here,
 423                  * something prevents the device wakeup messages from being
 424                  * sent and/or the responses from being received.
 425                  */
 426                 g_usleep (100000);
 427                 DEBUG_TRACE (DEBUG::FaderPort8, "device now connected for both input and output\n");
 428                 connected ();
 429                 _device_active = true;
 430
 431         } else {
 432                 DEBUG_TRACE (DEBUG::FaderPort8, "Device disconnected (input or output or both) or not yet fully connected\n");
 433                 if (_device_active) {
 434                         disconnected ();
 435                 }
 436                 _device_active = false;
 437         }
 438
 439         ConnectionChange (); /* emit signal for our GUI */
 440
 441 #ifdef VERBOSE_DEBUG
 442         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::connection_handler: end\n");
 443 #endif
 444
 445         return true; /* connection status changed */
 446 }
 447
 448 list<boost::shared_ptr<ARDOUR::Bundle> >
 449 FaderPort8::bundles ()
 450 {
 451         list<boost::shared_ptr<ARDOUR::Bundle> > b;
 452
 453         if (_input_bundle) {
 454                 b.push_back (_input_bundle);
 455                 b.push_back (_output_bundle);
 456         }
 457
 458         return b;
 459 }
 460
 461 /* ****************************************************************************
 462  * MIDI I/O
 463  */
 464 bool
 465 FaderPort8::midi_input_handler (Glib::IOCondition ioc, boost::weak_ptr<ARDOUR::AsyncMIDIPort> wport)
 466 {
 467         boost::shared_ptr<AsyncMIDIPort> port (wport.lock());
 468
 469         if (!port || !_input_port) {
 470                 return false;
 471         }
 472
 473 #ifdef VERBOSE_DEBUG
 474         DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("something happend on %1\n", boost::shared_ptr<MIDI::Port>(port)->name()));
 475 #endif
 476
 477         if (ioc & ~IO_IN) {
 478                 return false;
 479         }
 480
 481         if (ioc & IO_IN) {
 482
 483                 port->clear ();
 484 #ifdef VERBOSE_DEBUG
 485                 DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("data available on %1\n", boost::shared_ptr<MIDI::Port>(port)->name()));
 486 #endif
 487                 framepos_t now = session->engine().sample_time();
 488                 port->parse (now);
 489         }
 490
 491         return true;
 492 }
 493
 494 void
 495 FaderPort8::start_midi_handling ()
 496 {
 497         _input_port->parser()->sysex.connect_same_thread (midi_connections, boost::bind (&FaderPort8::sysex_handler, this, _1, _2, _3));
 498         _input_port->parser()->poly_pressure.connect_same_thread (midi_connections, boost::bind (&FaderPort8::polypressure_handler, this, _1, _2));
 499         for (uint8_t i = 0; i < 16; ++i) {
 500         _input_port->parser()->channel_pitchbend[i].connect_same_thread (midi_connections, boost::bind (&FaderPort8::pitchbend_handler, this, _1, i, _2));
 501         }
 502         _input_port->parser()->controller.connect_same_thread (midi_connections, boost::bind (&FaderPort8::controller_handler, this, _1, _2));
 503         _input_port->parser()->note_on.connect_same_thread (midi_connections, boost::bind (&FaderPort8::note_on_handler, this, _1, _2));
 504         _input_port->parser()->note_off.connect_same_thread (midi_connections, boost::bind (&FaderPort8::note_off_handler, this, _1, _2));
 505
 506         /* This connection means that whenever data is ready from the input
 507          * port, the relevant thread will invoke our ::midi_input_handler()
 508          * method, which will read the data, and invoke the parser.
 509          */
 510         _input_port->xthread().set_receive_handler (sigc::bind (sigc::mem_fun (this, &FaderPort8::midi_input_handler), boost::weak_ptr<AsyncMIDIPort> (_input_port)));
 511         _input_port->xthread().attach (main_loop()->get_context());
 512 }
 513
 514 size_t
 515 FaderPort8::tx_midi (std::vector<uint8_t> const& d) const
 516 {
 517         /* work around midi buffer overflow for batch changes */
 518         if (d.size() == 3 && (d[0] == 0x91 || d[0] == 0x92)) {
 519                 /* set colors triplet in one go */
 520         } else if (d.size() == 3 && (d[0] == 0x93)) {
 521                 g_usleep (1500);
 522         } else {
 523                 g_usleep (400 * d.size());
 524         }
 525 #ifndef NDEBUG
 526         size_t tx = _output_port->write (&d[0], d.size(), 0);
 527         assert (tx == d.size());
 528         return tx;
 529 #else
 530         return _output_port->write (&d[0], d.size(), 0);
 531 #endif
 532 }
 533
 534 /* ****************************************************************************
 535  * MIDI Callbacks
 536  */
 537 void
 538 FaderPort8::polypressure_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb)
 539 {
 540         debug_2byte_msg ("PP", tb->controller_number, tb->value);
 541         // outgoing only (meter)
 542 }
 543
 544 void
 545 FaderPort8::pitchbend_handler (MIDI::Parser &, uint8_t chan, MIDI::pitchbend_t pb)
 546 {
 547         debug_2byte_msg ("PB", chan, pb);
 548         /* fader 0..16368 (0x3ff0 -- 1024 steps) */
 549         bool handled = _ctrls.midi_fader (chan, pb);
 550         /* if Shift key is held while moving a fader (group override), don't lock shift. */
 551         if ((_shift_pressed > 0) && handled) {
 552                 _shift_connection.disconnect ();
 553                 _shift_lock = false;
 554         }
 555 }
 556
 557 void
 558 FaderPort8::controller_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb)
 559 {
 560         debug_2byte_msg ("CC", tb->controller_number, tb->value);
 561         // encoder
 562         // val Bit 7 = direction, Bits 0-6 = number of steps
 563         if (tb->controller_number == 0x3c) {
 564                 encoder_navigate (tb->value & 0x40 ? true : false, tb->value & 0x3f);
 565         }
 566         if (tb->controller_number == 0x10) {
 567                 encoder_parameter (tb->value & 0x40 ? true : false, tb->value & 0x3f);
 568         }
 569 }
 570
 571 void
 572 FaderPort8::note_on_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb)
 573 {
 574         debug_2byte_msg ("ON", tb->note_number, tb->velocity);
 575
 576         /* fader touch */
 577         if (tb->note_number >= 0x68 && tb->note_number <= 0x6f) {
 578                 _ctrls.midi_touch (tb->note_number - 0x68, tb->velocity);
 579                 return;
 580         }
 581
 582         /* special case shift */
 583         if (tb->note_number == 0x06 || tb->note_number == 0x46) {
 584                 _shift_pressed |= (tb->note_number == 0x06) ? 1 : 2;
 585                 if (_shift_pressed == 3) {
 586                         return;
 587                 }
 588                 _shift_connection.disconnect ();
 589                 if (_shift_lock) {
 590                         _shift_lock = false;
 591                         ShiftButtonChange (false);
 592                         tx_midi3 (0x90, 0x06, 0x00);
 593                         tx_midi3 (0x90, 0x46, 0x00);
 594                         return;
 595                 }
 596
 597                 Glib::RefPtr<Glib::TimeoutSource> shift_timer =
 598                         Glib::TimeoutSource::create (1000);
 599                 shift_timer->attach (main_loop()->get_context());
 600                 _shift_connection = shift_timer->connect (sigc::mem_fun (*this, &FaderPort8::shift_timeout));
 601
 602                 ShiftButtonChange (true);
 603                 tx_midi3 (0x90, 0x06, 0x7f);
 604                 tx_midi3 (0x90, 0x46, 0x7f);
 605                 return;
 606         }
 607
 608         _ctrls.midi_event (tb->note_number, tb->velocity);
 609 }
 610
 611 void
 612 FaderPort8::note_off_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb)
 613 {
 614         debug_2byte_msg ("OF", tb->note_number, tb->velocity);
 615
 616         if (tb->note_number >= 0x68 && tb->note_number <= 0x6f) {
 617                 // fader touch
 618                 _ctrls.midi_touch (tb->note_number - 0x68, tb->velocity);
 619                 return;
 620         }
 621
 622         /* special case shift */
 623         if (tb->note_number == 0x06 || tb->note_number == 0x46) {
 624                 _shift_pressed &= (tb->note_number == 0x06) ? 2 : 1;
 625                 if (_shift_pressed > 0) {
 626                         return;
 627                 }
 628                 if (_shift_lock) {
 629                         return;
 630                 }
 631                 ShiftButtonChange (false);
 632                 tx_midi3 (0x90, 0x06, 0x00);
 633                 tx_midi3 (0x90, 0x46, 0x00);
 634                 /* just in case this happens concurrently */
 635                 _shift_connection.disconnect ();
 636                 _shift_lock = false;
 637                 return;
 638         }
 639
 640         bool handled = _ctrls.midi_event (tb->note_number, tb->velocity);
 641         /* if Shift key is held while activating an action, don't lock shift. */
 642         if ((_shift_pressed > 0) && handled) {
 643                 _shift_connection.disconnect ();
 644                 _shift_lock = false;
 645         }
 646 }
 647
 648 void
 649 FaderPort8::sysex_handler (MIDI::Parser &p, MIDI::byte *buf, size_t size)
 650 {
 651 #ifndef NDEBUG
 652         if (DEBUG_ENABLED(DEBUG::FaderPort8)) {
 653                 DEBUG_STR_DECL(a);
 654                 DEBUG_STR_APPEND(a, string_compose ("RECV sysex siz=%1", size));
 655                 for (size_t i=0; i < size; ++i) {
 656                         DEBUG_STR_APPEND(a,hex);
 657                         DEBUG_STR_APPEND(a,"0x");
 658                         DEBUG_STR_APPEND(a,(int)buf[i]);
 659                         DEBUG_STR_APPEND(a,' ');
 660                 }
 661                 DEBUG_STR_APPEND(a,'\n');
 662                 DEBUG_TRACE (DEBUG::FaderPort8, DEBUG_STR(a).str());
 663         }
 664 #endif
 665 }
 666
 667 /* ****************************************************************************
 668  * User actions
 669  */
 670 void
 671 FaderPort8::set_button_action (FP8Controls::ButtonId id, bool press, std::string const& action_name)
 672 {
 673         if (_ctrls.user_buttons().find (id) == _ctrls.user_buttons().end ()) {
 674                 return;
 675         }
 676         _user_action_map[id].action (press).assign_action (action_name);
 677
 678         if (!_device_active) {
 679                 return;
 680         }
 681         _ctrls.button (id).set_active (!_user_action_map[id].empty ());
 682 }
 683
 684 std::string
 685 FaderPort8::get_button_action (FP8Controls::ButtonId id, bool press)
 686 {
 687         return _user_action_map[id].action(press)._action_name;
 688 }
 689
 690 /* ****************************************************************************
 691  * Persistent State
 692  */
 693 XMLNode&
 694 FaderPort8::get_state ()
 695 {
 696         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::get_state\n");
 697         XMLNode& node (ControlProtocol::get_state());
 698
 699         XMLNode* child;
 700
 701         child = new XMLNode (X_("Input"));
 702         child->add_child_nocopy (boost::shared_ptr<ARDOUR::Port>(_input_port)->get_state());
 703         node.add_child_nocopy (*child);
 704
 705         child = new XMLNode (X_("Output"));
 706         child->add_child_nocopy (boost::shared_ptr<ARDOUR::Port>(_output_port)->get_state());
 707         node.add_child_nocopy (*child);
 708
 709         node.set_property (X_("clock-mode"), _clock_mode);
 710         node.set_property (X_("scribble-mode"), _scribble_mode);
 711
 712         for (UserActionMap::const_iterator i = _user_action_map.begin (); i != _user_action_map.end (); ++i) {
 713                 if (i->second.empty()) {
 714                         continue;
 715                 }
 716                 std::string name;
 717                 if (!_ctrls.button_enum_to_name (i->first, name)) {
 718                         continue;
 719                 }
 720                 XMLNode* btn = new XMLNode (X_("Button"));
 721                 btn->set_property (X_("id"), name);
 722                 if (!i->second.action(true).empty ()) {
 723                         btn->set_property ("press", i->second.action(true)._action_name);
 724                 }
 725                 if (!i->second.action(false).empty ()) {
 726                         btn->set_property ("release", i->second.action(false)._action_name);
 727                 }
 728                 node.add_child_nocopy (*btn);
 729         }
 730
 731         return node;
 732 }
 733
 734 int
 735 FaderPort8::set_state (const XMLNode& node, int version)
 736 {
 737         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::set_state\n");
 738         XMLNodeList nlist;
 739         XMLNodeConstIterator niter;
 740         XMLNode const* child;
 741
 742         if (ControlProtocol::set_state (node, version)) {
 743                 return -1;
 744         }
 745
 746         if ((child = node.child (X_("Input"))) != 0) {
 747                 XMLNode* portnode = child->child (Port::state_node_name.c_str());
 748                 if (portnode) {
 749                         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::set_state Input\n");
 750                         boost::shared_ptr<ARDOUR::Port>(_input_port)->set_state (*portnode, version);
 751                 }
 752         }
 753
 754         if ((child = node.child (X_("Output"))) != 0) {
 755                 XMLNode* portnode = child->child (Port::state_node_name.c_str());
 756                 if (portnode) {
 757                         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::set_state Output\n");
 758                         boost::shared_ptr<ARDOUR::Port>(_output_port)->set_state (*portnode, version);
 759                 }
 760         }
 761
 762         node.get_property (X_("clock-mode"), _clock_mode);
 763         node.get_property (X_("scribble-mode"), _scribble_mode);
 764
 765         _user_action_map.clear ();
 766         // TODO: When re-loading state w/o surface re-init becomes possible,
 767         // unset lights and reset colors of user buttons.
 768
 769         for (XMLNodeList::const_iterator n = node.children().begin(); n != node.children().end(); ++n) {
 770                 if ((*n)->name() != X_("Button")) {
 771                         continue;
 772                 }
 773
 774                 std::string id_str;
 775                 if (!(*n)->get_property (X_("id"), id_str)) {
 776                         continue;
 777                 }
 778
 779                 FP8Controls::ButtonId id;
 780                 if (!_ctrls.button_name_to_enum (id_str, id)) {
 781                         continue;
 782                 }
 783
 784                 std::string action_str;
 785                 if ((*n)->get_property (X_("press"), action_str)) {
 786                         set_button_action (id, true, action_str);
 787                 }
 788                 if ((*n)->get_property (X_("release"), action_str)) {
 789                         set_button_action (id, false, action_str);
 790                 }
 791         }
 792
 793         return 0;
 794 }
 795
 796 /* ****************************************************************************
 797  * Stripable Assignment
 798  */
 799
 800 static bool flt_audio_track (boost::shared_ptr<Stripable> s) {
 801         return boost::dynamic_pointer_cast<AudioTrack>(s) != 0;
 802 }
 803
 804 static bool flt_midi_track (boost::shared_ptr<Stripable> s) {
 805         return boost::dynamic_pointer_cast<MidiTrack>(s) != 0;
 806 }
 807
 808 static bool flt_bus (boost::shared_ptr<Stripable> s) {
 809         if (boost::dynamic_pointer_cast<Route>(s) == 0) {
 810                 return false;
 811         }
 812 #ifdef MIXBUS
 813         if (s->mixbus () == 0) {
 814                 return false;
 815         }
 816 #endif
 817         return boost::dynamic_pointer_cast<Track>(s) == 0;
 818 }
 819
 820 static bool flt_auxbus (boost::shared_ptr<Stripable> s) {
 821         if (boost::dynamic_pointer_cast<Route>(s) == 0) {
 822                 return false;
 823         }
 824 #ifdef MIXBUS
 825         if (s->mixbus () > 0) {
 826                 return false;
 827         }
 828 #endif
 829         return boost::dynamic_pointer_cast<Track>(s) == 0;
 830 }
 831
 832 static bool flt_vca (boost::shared_ptr<Stripable> s) {
 833         return boost::dynamic_pointer_cast<VCA>(s) != 0;
 834 }
 835
 836 static bool flt_selected (boost::shared_ptr<Stripable> s) {
 837         return s->is_selected ();
 838 }
 839
 840 static bool flt_mains (boost::shared_ptr<Stripable> s) {
 841         return (s->is_master() || s->is_monitor());
 842 }
 843
 844 static bool flt_all (boost::shared_ptr<Stripable> s) {
 845         return true;
 846 }
 847
 848 static bool flt_rec_armed (boost::shared_ptr<Stripable> s) {
 849         boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(s);
 850         if (!t) {
 851                 return false;
 852         }
 853         return t->rec_enable_control ()->get_value () > 0.;
 854 }
 855
 856 static bool flt_instrument (boost::shared_ptr<Stripable> s) {
 857         boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route>(s);
 858         if (!r) {
 859                 return false;
 860         }
 861         return 0 != r->the_instrument ();
 862 }
 863
 864 void
 865 FaderPort8::filter_stripables (StripableList& strips) const
 866 {
 867         typedef bool (*FilterFunction)(boost::shared_ptr<Stripable>);
 868         FilterFunction flt;
 869
 870         bool allow_master = false;
 871         bool allow_monitor = false;
 872
 873         switch (_ctrls.mix_mode ()) {
 874                 case MixAudio:
 875                         flt = &flt_audio_track;
 876                         break;
 877                 case MixInstrument:
 878                         flt = &flt_instrument;
 879                         break;
 880                 case MixBus:
 881                         flt = &flt_bus;
 882                         break;
 883                 case MixVCA:
 884                         flt = &flt_vca;
 885                         break;
 886                 case MixMIDI:
 887                         flt = &flt_midi_track;
 888                         break;
 889                 case MixUser:
 890                         allow_master = true;
 891                         flt = &flt_selected;
 892                         break;
 893                 case MixOutputs:
 894                         allow_master = true;
 895                         allow_monitor = true;
 896                         flt = &flt_mains;
 897                         break;
 898                 case MixInputs:
 899                         flt = &flt_rec_armed;
 900                         break;
 901                 case MixFX:
 902                         flt = &flt_auxbus;
 903                         break;
 904                 default:
 905                         assert (0);
 906                         // fall through
 907                 case MixAll:
 908                         allow_master = true;
 909                         flt = &flt_all;
 910                         break;
 911         }
 912
 913         StripableList all;
 914         session->get_stripables (all);
 915
 916         for (StripableList::const_iterator s = all.begin(); s != all.end(); ++s) {
 917                 if ((*s)->is_auditioner ()) { continue; }
 918                 if ((*s)->is_hidden ()) { continue; }
 919
 920                 if (!allow_master  && (*s)->is_master ()) { continue; }
 921                 if (!allow_monitor && (*s)->is_monitor ()) { continue; }
 922
 923                 if ((*flt)(*s)) {
 924                         strips.push_back (*s);
 925                 }
 926         }
 927         strips.sort (Stripable::Sorter(true));
 928 }
 929
 930 /* Track/Pan mode: assign stripable to strips, Send-mode: selection */
 931 void
 932 FaderPort8::assign_stripables (bool select_only)
 933 {
 934         StripableList strips;
 935         filter_stripables (strips);
 936
 937         if (!select_only) {
 938                 set_periodic_display_mode (FP8Strip::Stripables);
 939         }
 940
 941         int n_strips = strips.size();
 942         _channel_off = std::min (_channel_off, n_strips - 8);
 943         _channel_off = std::max (0, _channel_off);
 944
 945         uint8_t id = 0;
 946         int skip = _channel_off;
 947         for (StripableList::const_iterator s = strips.begin(); s != strips.end(); ++s) {
 948                 if (skip > 0) {
 949                         --skip;
 950                         continue;
 951                 }
 952
 953                 _assigned_strips[*s] = id;
 954                 (*s)->DropReferences.connect (assigned_stripable_connections, MISSING_INVALIDATOR,
 955                                 boost::bind (&FaderPort8::notify_stripable_added_or_removed, this), this);
 956
 957                 (*s)->PropertyChanged.connect (assigned_stripable_connections, MISSING_INVALIDATOR,
 958                                 boost::bind (&FaderPort8::notify_stripable_property_changed, this, boost::weak_ptr<Stripable> (*s), _1), this);
 959                 (*s)->presentation_info ().PropertyChanged.connect (assigned_stripable_connections, MISSING_INVALIDATOR,
 960                                 boost::bind (&FaderPort8::notify_stripable_property_changed, this, boost::weak_ptr<Stripable> (*s), _1), this);
 961
 962                 if (select_only) {
 963                         /* used in send mode */
 964                         _ctrls.strip(id).set_text_line (3, (*s)->name (), true);
 965                         _ctrls.strip(id).select_button ().set_color ((*s)->presentation_info ().color());
 966                         /* update selection lights */
 967                         _ctrls.strip(id).select_button ().set_active ((*s)->is_selected ());
 968                         _ctrls.strip(id).select_button ().set_blinking (*s == first_selected_stripable ());
 969                 } else {
 970                         _ctrls.strip(id).set_stripable (*s, _ctrls.fader_mode() == ModePan);
 971                 }
 972
 973                  boost::function<void ()> cb (boost::bind (&FaderPort8::select_strip, this, boost::weak_ptr<Stripable> (*s)));
 974                  _ctrls.strip(id).set_select_cb (cb);
 975
 976                 if (++id == 8) {
 977                         break;
 978                 }
 979         }
 980         for (; id < 8; ++id) {
 981                 _ctrls.strip(id).unset_controllables (select_only ? (FP8Strip::CTRL_SELECT | FP8Strip::CTRL_TEXT3) : FP8Strip::CTRL_ALL);
 982                 _ctrls.strip(id).set_periodic_display_mode (FP8Strip::Stripables);
 983         }
 984 }
 985
 986 /* ****************************************************************************
 987  * Control Link/Lock
 988  */
 989
 990 void
 991 FaderPort8::unlock_link (bool drop)
 992 {
 993         link_locked_connection.disconnect ();
 994
 995         if (drop) {
 996                 stop_link (); // calls back here with drop = false
 997                 return;
 998         }
 999
1000         _link_locked = false;
1001
1002         if (_link_enabled) {
1003                 assert (_ctrls.button (FP8Controls::BtnLink).is_active ());
1004                 _link_control.reset ();
1005                 start_link (); // re-connect & update LED colors
1006         } else {
1007                 _ctrls.button (FP8Controls::BtnLink).set_active (false);
1008                 _ctrls.button (FP8Controls::BtnLink).set_color (0x888888ff);
1009                 _ctrls.button (FP8Controls::BtnLock).set_active (false);
1010                 _ctrls.button (FP8Controls::BtnLock).set_color (0x888888ff);
1011         }
1012 }
1013
1014 void
1015 FaderPort8::lock_link ()
1016 {
1017         boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl> (_link_control.lock ());
1018         if (!ac) {
1019                 return;
1020         }
1021         ac->DropReferences.connect (link_locked_connection, MISSING_INVALIDATOR, boost::bind (&FaderPort8::unlock_link, this, true), this);
1022
1023         // stop watching for focus events
1024         link_connection.disconnect ();
1025
1026         _link_locked = true;
1027
1028         _ctrls.button (FP8Controls::BtnLock).set_color (0x00ff00ff);
1029         _ctrls.button (FP8Controls::BtnLink).set_color (0x00ff00ff);
1030 }
1031
1032 void
1033 FaderPort8::stop_link ()
1034 {
1035         if (!_link_enabled) {
1036                 return;
1037         }
1038         link_connection.disconnect ();
1039         _link_control.reset ();
1040         _link_enabled = false;
1041         unlock_link (); // also updates button colors
1042 }
1043
1044 void
1045 FaderPort8::start_link ()
1046 {
1047         assert (!_link_locked);
1048
1049         _link_enabled = true;
1050         _ctrls.button (FP8Controls::BtnLink).set_active (true);
1051         _ctrls.button (FP8Controls::BtnLock).set_active (true);
1052         nofity_focus_control (_link_control); // update BtnLink, BtnLock colors
1053
1054         PBD::Controllable::GUIFocusChanged.connect (link_connection, MISSING_INVALIDATOR, boost::bind (&FaderPort8::nofity_focus_control, this, _1), this);
1055 }
1056
1057
1058 /* ****************************************************************************
1059  * Plugin selection and parameters
1060  */
1061
1062 void
1063 FaderPort8::toggle_preset_param_mode ()
1064 {
1065         FaderMode fadermode = _ctrls.fader_mode ();
1066         if (fadermode != ModePlugins || _proc_params.size() == 0) {
1067                 return;
1068         }
1069         _show_presets = ! _show_presets;
1070         assign_processor_ctrls ();
1071 }
1072
1073 void
1074 FaderPort8::preset_changed ()
1075 {
1076         if (_show_presets) {
1077                 assign_processor_ctrls ();
1078         }
1079 }
1080
1081 void
1082 FaderPort8::assign_processor_ctrls ()
1083 {
1084         if (_proc_params.size() == 0) {
1085                 _ctrls.set_fader_mode (ModeTrack);
1086                 return;
1087         }
1088         set_periodic_display_mode (FP8Strip::PluginParam);
1089
1090         if (_show_presets) {
1091                 if (assign_plugin_presets (_plugin_insert.lock ())) {
1092                         return;
1093                 }
1094                 _show_presets = false;
1095         }
1096
1097         std::vector <ProcessorCtrl*> toggle_params;
1098         std::vector <ProcessorCtrl*> slider_params;
1099
1100         for ( std::list <ProcessorCtrl>::iterator i = _proc_params.begin(); i != _proc_params.end(); ++i) {
1101                 if ((*i).ac->toggled()) {
1102                         toggle_params.push_back (&(*i));
1103                 } else {
1104                         slider_params.push_back (&(*i));
1105                 }
1106         }
1107
1108         int n_parameters = std::max (toggle_params.size(), slider_params.size());
1109
1110         _parameter_off = std::min (_parameter_off, n_parameters - 8);
1111         _parameter_off = std::max (0, _parameter_off);
1112
1113         uint8_t id = 0;
1114         for (size_t i = _parameter_off; i < (size_t)n_parameters; ++i) {
1115                 if (i >= toggle_params.size ()) {
1116                         _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_FADER & ~FP8Strip::CTRL_TEXT01 & ~FP8Strip::CTRL_TEXT2);
1117                 }
1118                 else if (i >= slider_params.size ()) {
1119                         _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_SELECT & ~FP8Strip::CTRL_TEXT3);
1120                 } else {
1121                         _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_FADER & ~FP8Strip::CTRL_TEXT & ~FP8Strip::CTRL_SELECT);
1122                 }
1123
1124                 if (i < slider_params.size ()) {
1125                         _ctrls.strip(id).set_fader_controllable (slider_params[i]->ac);
1126                         std::string param_name = slider_params[i]->name;
1127                         _ctrls.strip(id).set_text_line (0, param_name.substr (0, 9));
1128                         _ctrls.strip(id).set_text_line (1, param_name.length () > 9 ? param_name.substr (9) : "");
1129                 }
1130                 if (i < toggle_params.size ()) {
1131                         _ctrls.strip(id).set_select_controllable (toggle_params[i]->ac);
1132                         _ctrls.strip(id).set_text_line (3, toggle_params[i]->name, true);
1133                 }
1134                 if (++id == 8) {
1135                         break;
1136                 }
1137         }
1138
1139         // clear remaining
1140         for (; id < 8; ++id) {
1141                 _ctrls.strip(id).unset_controllables ();
1142         }
1143 }
1144
1145 bool
1146 FaderPort8::assign_plugin_presets (boost::shared_ptr<PluginInsert> pi)
1147 {
1148         if (!pi) {
1149                 return false;
1150         }
1151         boost::shared_ptr<ARDOUR::Plugin> plugin = pi->plugin ();
1152
1153         std::vector<ARDOUR::Plugin::PresetRecord> presets = plugin->get_presets ();
1154         if (presets.size () == 0) {
1155                 return false;
1156         }
1157
1158         int n_parameters = presets.size ();
1159
1160         _parameter_off = std::min (_parameter_off, n_parameters - 7);
1161         _parameter_off = std::max (0, _parameter_off);
1162         Plugin::PresetRecord active = plugin->last_preset ();
1163
1164         uint8_t id = 0;
1165         for (size_t i = _parameter_off; i < (size_t)n_parameters; ++i) {
1166                 _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_TEXT01 & ~FP8Strip::CTRL_TEXT3 & ~FP8Strip::CTRL_SELECT);
1167                  boost::function<void ()> cb (boost::bind (&FaderPort8::select_plugin_preset, this, i));
1168                 _ctrls.strip(id).set_select_cb (cb);
1169                 _ctrls.strip(id).select_button ().set_active (true);
1170                 if (active != presets.at(i)) {
1171                         _ctrls.strip(id).select_button ().set_color (0x0000ffff);
1172                         _ctrls.strip(id).select_button ().set_blinking (false);
1173                 } else {
1174                         _ctrls.strip(id).select_button ().set_color (0x00ffffff);
1175                         _ctrls.strip(id).select_button ().set_blinking (plugin->parameter_changed_since_last_preset ());
1176                 }
1177                 std::string label = presets.at(i).label;
1178                 _ctrls.strip(id).set_text_line (0, label.substr (0, 9));
1179                 _ctrls.strip(id).set_text_line (1, label.length () > 9 ? label.substr (9) : "");
1180                 _ctrls.strip(id).set_text_line (3, "PRESET", true);
1181                 if (++id == 7) {
1182                         break;
1183                 }
1184         }
1185
1186         // clear remaining
1187         for (; id < 7; ++id) {
1188                 _ctrls.strip(id).unset_controllables ();
1189         }
1190
1191         // pin clear-preset to the last slot
1192         assert (id == 7);
1193         _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_TEXT0 & ~FP8Strip::CTRL_TEXT3 & ~FP8Strip::CTRL_SELECT);
1194          boost::function<void ()> cb (boost::bind (&FaderPort8::select_plugin_preset, this, SIZE_MAX));
1195         _ctrls.strip(id).set_select_cb (cb);
1196         _ctrls.strip(id).select_button ().set_blinking (false);
1197         _ctrls.strip(id).select_button ().set_color (active.uri.empty() ? 0x00ffffff : 0x0000ffff);
1198         _ctrls.strip(id).select_button ().set_active (true);
1199         _ctrls.strip(id).set_text_line (0, _("(none)"));
1200         _ctrls.strip(id).set_text_line (3, "PRESET", true);
1201         return true;
1202 }
1203
1204 void
1205 FaderPort8::build_well_known_processor_ctrls (boost::shared_ptr<Stripable> s, bool eq)
1206 {
1207 #define PUSH_BACK_NON_NULL(N, C) do {if (C) { _proc_params.push_back (ProcessorCtrl (N, C)); }} while (0)
1208
1209         _proc_params.clear ();
1210         if (eq) {
1211                 int cnt = s->eq_band_cnt();
1212
1213 #ifdef MIXBUS32C
1214                 PUSH_BACK_NON_NULL ("Flt In", s->filter_enable_controllable (true)); // both HP/LP
1215                 PUSH_BACK_NON_NULL ("HP Freq", s->filter_freq_controllable (true));
1216                 PUSH_BACK_NON_NULL ("LP Freq", s->filter_freq_controllable (false));
1217                 PUSH_BACK_NON_NULL ("EQ In", s->eq_enable_controllable ());
1218 #elif defined (MIXBUS)
1219                 PUSH_BACK_NON_NULL ("EQ In", s->eq_enable_controllable ());
1220                 PUSH_BACK_NON_NULL ("HP Freq", s->filter_freq_controllable (true));
1221 #endif
1222
1223                 for (int band = 0; band < cnt; ++band) {
1224                         std::string bn = s->eq_band_name (band);
1225                         PUSH_BACK_NON_NULL (string_compose ("Gain %1", bn), s->eq_gain_controllable (band));
1226                         PUSH_BACK_NON_NULL (string_compose ("Freq %1", bn), s->eq_freq_controllable (band));
1227                         PUSH_BACK_NON_NULL (string_compose ("Band %1", bn), s->eq_q_controllable (band));
1228                         PUSH_BACK_NON_NULL (string_compose ("Shape %1", bn), s->eq_shape_controllable (band));
1229                 }
1230         } else {
1231                 PUSH_BACK_NON_NULL ("Comp In", s->comp_enable_controllable ());
1232                 PUSH_BACK_NON_NULL ("Threshold", s->comp_threshold_controllable ());
1233                 PUSH_BACK_NON_NULL ("Speed", s->comp_speed_controllable ());
1234                 PUSH_BACK_NON_NULL ("Mode", s->comp_mode_controllable ());
1235         }
1236 }
1237
1238 void
1239 FaderPort8::select_plugin (int num)
1240 {
1241         // make sure drop_ctrl_connections() was called
1242         assert (_proc_params.size() == 0 && _showing_well_known == 0 && _plugin_insert.expired());
1243
1244         boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route> (first_selected_stripable());
1245         if (!r) {
1246                 _ctrls.set_fader_mode (ModeTrack);
1247                 return;
1248         }
1249
1250         // Toggle Bypass
1251         if (shift_mod ()) {
1252                 if (num >= 0) {
1253                         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (r->nth_plugin (num));
1254 #ifdef MIXBUS
1255                         if (pi && !pi->is_channelstrip () && pi->display_to_user ())
1256 #else
1257                         if (pi && pi->display_to_user ())
1258 #endif
1259                         {
1260                                 pi->enable (! pi->enabled ());
1261                         }
1262                 }
1263                 return;
1264         }
1265
1266         if (num < 0) {
1267                 build_well_known_processor_ctrls (r, num == -1);
1268                 assign_processor_ctrls ();
1269                 _showing_well_known = num;
1270                 return;
1271         }
1272         _showing_well_known = 0;
1273
1274         boost::shared_ptr<Processor> proc = r->nth_plugin (num);
1275         if (!proc) {
1276                 _ctrls.set_fader_mode (ModeTrack);
1277                 return;
1278         }
1279
1280         // disconnect signals from spill_plugins: processors_changed and ActiveChanged
1281         processor_connections.drop_connections ();
1282         r->DropReferences.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FP8Controls::set_fader_mode, &_ctrls, ModeTrack), this);
1283
1284         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
1285         assert (pi); // nth_plugin() always returns a PI.
1286         /* _plugin_insert is used for Bypass/Enable & presets */
1287 #ifdef MIXBUS
1288         if (!pi->is_channelstrip () && pi->display_to_user ())
1289 #else
1290         if (pi->display_to_user ())
1291 #endif
1292         {
1293                 _plugin_insert = boost::weak_ptr<ARDOUR::PluginInsert> (pi);
1294                 pi->ActiveChanged.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_plugin_active_changed, this), this);
1295                 boost::shared_ptr<ARDOUR::Plugin> plugin = pi->plugin ();
1296
1297                 plugin->PresetAdded.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::preset_changed, this), this);
1298                 plugin->PresetRemoved.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::preset_changed, this), this);
1299                 plugin->PresetLoaded.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::preset_changed, this), this);
1300                 plugin->PresetDirty.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::preset_changed, this), this);
1301
1302                 if (_auto_pluginui) {
1303                         pi->ShowUI (); /* EMIT SIGNAL */
1304                 }
1305         }
1306
1307         // switching to "Mode Track" -> calls FaderPort8::notify_fader_mode_changed()
1308         // which drops the references, disconnects the signal and re-spills tracks
1309         proc->DropReferences.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FP8Controls::set_fader_mode, &_ctrls, ModeTrack), this);
1310
1311         // build params
1312         _proc_params.clear();
1313         set<Evoral::Parameter> p = proc->what_can_be_automated ();
1314         for (set<Evoral::Parameter>::iterator i = p.begin(); i != p.end(); ++i) {
1315                 std::string n = proc->describe_parameter (*i);
1316                 if (n == "hidden") {
1317                         continue;
1318                 }
1319                 _proc_params.push_back (ProcessorCtrl (n, proc->automation_control (*i)));
1320         }
1321
1322         // TODO: open plugin GUI  if (_proc_params.size() > 0)
1323
1324         // display
1325         assign_processor_ctrls ();
1326         notify_plugin_active_changed ();
1327 }
1328
1329 void
1330 FaderPort8::select_plugin_preset (size_t num)
1331 {
1332         assert (_proc_params.size() > 0);
1333         boost::shared_ptr<PluginInsert> pi = _plugin_insert.lock();
1334         if (!pi) {
1335                 _ctrls.set_fader_mode (ModeTrack);
1336                 return;
1337         }
1338         if (num == SIZE_MAX) {
1339                 pi->plugin ()->clear_preset ();
1340         } else {
1341                 std::vector<ARDOUR::Plugin::PresetRecord> presets = pi->plugin ()->get_presets ();
1342                 if (num < presets.size ()) {
1343                         pi->load_preset (presets.at (num));
1344                 }
1345         }
1346         _show_presets = false;
1347         assign_processor_ctrls ();
1348 }
1349
1350 /* short 4 chars at most */
1351 static std::string plugintype (ARDOUR::PluginType t) {
1352         switch (t) {
1353                 case AudioUnit:
1354                         return "AU";
1355                 case LADSPA:
1356                         return "LV1";
1357                 case LV2:
1358                         return "LV2";
1359                 case Windows_VST:
1360                 case LXVST:
1361                 case MacVST:
1362                         return "VST";
1363                 case Lua:
1364                         return "Lua";
1365                 default:
1366                         break;
1367         }
1368         return enum_2_string (t);
1369 }
1370
1371 void
1372 FaderPort8::spill_plugins ()
1373 {
1374         boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route> (first_selected_stripable());
1375         if (!r) {
1376                 _ctrls.set_fader_mode (ModeTrack);
1377                 return;
1378         }
1379
1380         drop_ctrl_connections ();
1381
1382         // switching to "Mode Track" -> calls FaderPort8::notify_fader_mode_changed()
1383         // which drops the references, disconnects the signal and re-spills tracks
1384         r->DropReferences.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FP8Controls::set_fader_mode, &_ctrls, ModeTrack), this);
1385
1386         // update when processor change
1387         r->processors_changed.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::spill_plugins, this), this);
1388
1389         // count available
1390         boost::shared_ptr<Processor> proc;
1391
1392         std::vector<uint32_t> procs;
1393
1394         for (uint32_t i = 0; 0 != (proc = r->nth_plugin (i)); ++i) {
1395                 if (!proc->display_to_user ()) {
1396 #ifdef MIXBUS
1397                         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
1398                         if (pi->is_channelstrip ()) // don't skip MB PRE
1399 #endif
1400                         continue;
1401                 }
1402                 int n_controls = 0;
1403                 set<Evoral::Parameter> p = proc->what_can_be_automated ();
1404                 for (set<Evoral::Parameter>::iterator j = p.begin(); j != p.end(); ++j) {
1405                         std::string n = proc->describe_parameter (*j);
1406                         if (n == "hidden") {
1407                                 continue;
1408                         }
1409                         ++n_controls;
1410                 }
1411                 if (n_controls > 0) {
1412                         procs.push_back (i);
1413                 }
1414         }
1415
1416         int n_plugins = procs.size();
1417         int spillwidth = 8;
1418         bool have_well_known_eq = false;
1419         bool have_well_known_comp = false;
1420
1421         // reserve last slot(s) for "well-known"
1422         if (r->eq_band_cnt() > 0) {
1423                 --spillwidth;
1424                 have_well_known_eq = true;
1425         }
1426         if (r->comp_enable_controllable ()) {
1427                 --spillwidth;
1428                 have_well_known_comp = true;
1429         }
1430
1431         if (n_plugins == 0 && !have_well_known_eq && !have_well_known_comp) {
1432                 _ctrls.set_fader_mode (ModeTrack);
1433                 return;
1434         }
1435
1436         set_periodic_display_mode (FP8Strip::PluginSelect);
1437
1438         _plugin_off = std::min (_plugin_off, n_plugins - spillwidth);
1439         _plugin_off = std::max (0, _plugin_off);
1440
1441         uint8_t id = 0;
1442         for (uint32_t i = _plugin_off; ; ++i) {
1443                 if (i >= procs.size()) {
1444                         break;
1445                 }
1446                 boost::shared_ptr<Processor> proc = r->nth_plugin (procs[i]);
1447                 if (!proc) {
1448                         break;
1449                 }
1450                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
1451                 boost::function<void ()> cb (boost::bind (&FaderPort8::select_plugin, this, procs[i]));
1452
1453                 _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_TEXT & ~FP8Strip::CTRL_SELECT);
1454                 _ctrls.strip(id).set_select_cb (cb);
1455                 _ctrls.strip(id).select_button ().set_color (proc->enabled () ? 0x00ff00ff : 0xff0000ff);
1456                 _ctrls.strip(id).select_button ().set_active (true);
1457                 _ctrls.strip(id).select_button ().set_blinking (false);
1458                 _ctrls.strip(id).set_text_line (0, proc->name());
1459                 _ctrls.strip(id).set_text_line (1, pi->plugin()->maker());
1460                 _ctrls.strip(id).set_text_line (2, plugintype (pi->type()));
1461                 _ctrls.strip(id).set_text_line (3, "");
1462
1463                 pi->ActiveChanged.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::spill_plugins, this), this);
1464
1465                 if (++id == spillwidth) {
1466                         break;
1467                 }
1468         }
1469         // clear remaining
1470         for (; id < spillwidth; ++id) {
1471                 _ctrls.strip(id).unset_controllables ();
1472         }
1473
1474         if (have_well_known_comp) {
1475                         assert (id < 8);
1476                  boost::function<void ()> cb (boost::bind (&FaderPort8::select_plugin, this, -2));
1477                  _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_TEXT & ~FP8Strip::CTRL_SELECT);
1478                  _ctrls.strip(id).set_select_cb (cb);
1479                  _ctrls.strip(id).select_button ().set_color (0xffff00ff);
1480                  _ctrls.strip(id).select_button ().set_active (true);
1481                  _ctrls.strip(id).select_button ().set_blinking (false);
1482                  _ctrls.strip(id).set_text_line (0, "Comp");
1483                  _ctrls.strip(id).set_text_line (1, "Built-In");
1484                  _ctrls.strip(id).set_text_line (2, "--");
1485                  _ctrls.strip(id).set_text_line (3, "");
1486                  ++id;
1487         }
1488         if (have_well_known_eq) {
1489                         assert (id < 8);
1490                  boost::function<void ()> cb (boost::bind (&FaderPort8::select_plugin, this, -1));
1491                  _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_TEXT & ~FP8Strip::CTRL_SELECT);
1492                  _ctrls.strip(id).set_select_cb (cb);
1493                  _ctrls.strip(id).select_button ().set_color (0xffff00ff);
1494                  _ctrls.strip(id).select_button ().set_active (true);
1495                  _ctrls.strip(id).select_button ().set_blinking (false);
1496                  _ctrls.strip(id).set_text_line (0, "EQ");
1497                  _ctrls.strip(id).set_text_line (1, "Built-In");
1498                  _ctrls.strip(id).set_text_line (2, "--");
1499                  _ctrls.strip(id).set_text_line (3, "");
1500                  ++id;
1501         }
1502         assert (id == 8);
1503 }
1504
1505 /* ****************************************************************************
1506  * Aux Sends and Mixbus assigns
1507  */
1508
1509 void
1510 FaderPort8::assign_sends ()
1511 {
1512         boost::shared_ptr<Stripable> s = first_selected_stripable();
1513         if (!s) {
1514                 _ctrls.set_fader_mode (ModeTrack);
1515                 return;
1516         }
1517
1518         int n_sends = 0;
1519         while (0 != s->send_level_controllable (n_sends)) {
1520                 ++n_sends;
1521         }
1522         if (n_sends == 0) {
1523                 _ctrls.set_fader_mode (ModeTrack);
1524                 return;
1525         }
1526
1527         drop_ctrl_connections ();
1528         s->DropReferences.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FP8Controls::set_fader_mode, &_ctrls, ModeTrack), this);
1529
1530         set_periodic_display_mode (FP8Strip::SendDisplay);
1531
1532         _plugin_off = std::min (_plugin_off, n_sends - 8);
1533         _plugin_off = std::max (0, _plugin_off);
1534
1535         uint8_t id = 0;
1536         int skip = _parameter_off;
1537         for (uint32_t i = _plugin_off; ; ++i) {
1538                 if (skip > 0) {
1539                         --skip;
1540                         continue;
1541                 }
1542                 boost::shared_ptr<AutomationControl> send = s->send_level_controllable (i);
1543                 if (!send) {
1544                         break;
1545                 }
1546
1547                 _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_FADER & ~FP8Strip::CTRL_TEXT01 & ~FP8Strip::CTRL_TEXT3 & ~FP8Strip::CTRL_SELECT);
1548                 _ctrls.strip(id).set_fader_controllable (send);
1549                 _ctrls.strip(id).set_text_line (0, s->send_name (i));
1550                 _ctrls.strip(id).set_mute_controllable (s->send_enable_controllable (i));
1551
1552                 if (++id == 8) {
1553                         break;
1554                 }
1555         }
1556         // clear remaining
1557         for (; id < 8; ++id) {
1558                 _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_TEXT3 & ~FP8Strip::CTRL_SELECT);
1559         }
1560 #ifdef MIXBUS // master-assign on last solo
1561         _ctrls.strip(7).set_solo_controllable (s->master_send_enable_controllable ());
1562 #endif
1563         /* set select buttons */
1564         assigned_stripable_connections.drop_connections ();
1565         _assigned_strips.clear ();
1566         assign_stripables (true);
1567 }
1568
1569 /* ****************************************************************************
1570  * Main stripable assignment (dispatch depending on mode)
1571  */
1572
1573 void
1574 FaderPort8::assign_strips (bool reset_bank)
1575 {
1576         if (reset_bank) {
1577                 _channel_off = 0;
1578         }
1579
1580         assigned_stripable_connections.drop_connections ();
1581         _assigned_strips.clear ();
1582
1583         FaderMode fadermode = _ctrls.fader_mode ();
1584         switch (fadermode) {
1585                 case ModeTrack:
1586                 case ModePan:
1587                         assign_stripables ();
1588                         stripable_selection_changed (); // update selection, automation-state
1589                         break;
1590                 case ModePlugins:
1591                         if (_proc_params.size() > 0) {
1592                                 assign_processor_ctrls ();
1593                         } else {
1594                                 spill_plugins ();
1595                         }
1596                         break;
1597                 case ModeSend:
1598                         assign_sends ();
1599                         break;
1600         }
1601 }
1602
1603 /* ****************************************************************************
1604  * some helper functions
1605  */
1606
1607 void
1608 FaderPort8::set_periodic_display_mode (FP8Strip::DisplayMode m)
1609 {
1610         for (uint8_t id = 0; id < 8; ++id) {
1611                 _ctrls.strip(id).set_periodic_display_mode (m);
1612         }
1613 }
1614
1615 void
1616 FaderPort8::drop_ctrl_connections ()
1617 {
1618         _proc_params.clear();
1619         if (_auto_pluginui) {
1620                 boost::shared_ptr<PluginInsert> pi = _plugin_insert.lock ();
1621                 if (pi) {
1622                         pi->HideUI (); /* EMIT SIGNAL */
1623                 }
1624         }
1625         _plugin_insert.reset ();
1626         _show_presets = false;
1627         processor_connections.drop_connections ();
1628         _showing_well_known = 0;
1629         notify_plugin_active_changed ();
1630 }
1631
1632 /* functor for FP8Strip's select button */
1633 void
1634 FaderPort8::select_strip (boost::weak_ptr<Stripable> ws)
1635 {
1636         boost::shared_ptr<Stripable> s = ws.lock();
1637         if (!s) {
1638                 return;
1639         }
1640 #if 1 /* single exclusive selection by default, toggle via shift */
1641         if (shift_mod ()) {
1642                 ToggleStripableSelection (s);
1643         } else {
1644                 SetStripableSelection (s);
1645         }
1646 #else
1647         /* tri-state selection: This allows to set the "first selected"
1648          * with a single click without clearing the selection.
1649          * Single de/select via shift.
1650          */
1651         if (shift_mod ()) {
1652                 if (s->is_selected ()) {
1653                         RemoveStripableFromSelection (s);
1654                 } else {
1655                         SetStripableSelection (s);
1656                 }
1657                 return;
1658         }
1659         if (s->is_selected () && s != first_selected_stripable ()) {
1660                 set_first_selected_stripable (s);
1661                 stripable_selection_changed ();
1662         } else {
1663                 ToggleStripableSelection (s);
1664         }
1665 #endif
1666 }
1667
1668 /* ****************************************************************************
1669  * Assigned Stripable Callbacks
1670  */
1671
1672 void
1673 FaderPort8::notify_fader_mode_changed ()
1674 {
1675         FaderMode fadermode = _ctrls.fader_mode ();
1676
1677         boost::shared_ptr<Stripable> s = first_selected_stripable();
1678         if (!s && (fadermode == ModePlugins || fadermode == ModeSend)) {
1679                 _ctrls.set_fader_mode (ModeTrack);
1680                 return;
1681         }
1682
1683         drop_ctrl_connections ();
1684
1685         switch (fadermode) {
1686                 case ModeTrack:
1687                 case ModePan:
1688                         break;
1689                 case ModePlugins:
1690                 case ModeSend:
1691                         _plugin_off = 0;
1692                         _parameter_off = 0;
1693                         stop_link ();
1694                         // force unset rec-arm button, see also FaderPort8::button_arm
1695                         _ctrls.button (FP8Controls::BtnArm).set_active (false);
1696                         ARMButtonChange (false);
1697                         break;
1698         }
1699         assign_strips (false);
1700         notify_automation_mode_changed ();
1701 }
1702
1703 void
1704 FaderPort8::notify_stripable_added_or_removed ()
1705 {
1706         /* called by
1707          *  - DropReferences
1708          *  - session->RouteAdded
1709          *  - PresentationInfo::Change
1710          *    - Properties::hidden
1711          *    - Properties::order
1712          */
1713         assign_strips (false);
1714 }
1715
1716 /* called from static PresentationInfo::Change */
1717 void
1718 FaderPort8::notify_pi_property_changed (const PropertyChange& what_changed)
1719 {
1720         if (what_changed.contains (Properties::hidden)) {
1721                 notify_stripable_added_or_removed ();
1722         }
1723         if (what_changed.contains (Properties::order)) {
1724                 notify_stripable_added_or_removed ();
1725         }
1726         // Properties::selected is handled via StripableSelectionChanged
1727 }
1728
1729 void
1730 FaderPort8::notify_stripable_property_changed (boost::weak_ptr<Stripable> ws, const PropertyChange& what_changed)
1731 {
1732         boost::shared_ptr<Stripable> s = ws.lock();
1733         if (!s) {
1734                 assert (0); // this should not happen
1735                 return;
1736         }
1737         if (_assigned_strips.find (s) == _assigned_strips.end()) {
1738                 /* it can happen that signal emission is delayed.
1739                  * A signal may already be in the queue but the
1740                  * _assigned_strips has meanwhile changed.
1741                  *
1742                  * before _assigned_strips changes, the connections are dropped
1743                  * but that does not seem to invalidate pending requests :(
1744                  *
1745                  * Seen when creating a new MB session and Mixbusses are added
1746                  * incrementally.
1747                  */
1748                 return;
1749         }
1750         uint8_t id = _assigned_strips[s];
1751
1752         if (what_changed.contains (Properties::color)) {
1753                 _ctrls.strip(id).select_button ().set_color (s->presentation_info ().color());
1754         }
1755
1756         if (what_changed.contains (Properties::name)) {
1757                 switch (_ctrls.fader_mode ()) {
1758                         case ModeSend:
1759                                 _ctrls.strip(id).set_text_line (3, s->name(), true);
1760                                 break;
1761                         case ModeTrack:
1762                         case ModePan:
1763                                 _ctrls.strip(id).set_text_line (0, s->name());
1764                                 break;
1765                         case ModePlugins:
1766                                 assert (0);
1767                                 break;
1768                 }
1769         }
1770 }
1771
1772 void
1773 FaderPort8::stripable_selection_changed ()
1774 {
1775         if (!_device_active) {
1776                 /* this can be called anytime from the static
1777                  * ControlProtocol::StripableSelectionChanged
1778                  */
1779                 return;
1780         }
1781         automation_state_connections.drop_connections();
1782
1783         switch (_ctrls.fader_mode ()) {
1784                 case ModePlugins:
1785                         if (_proc_params.size () > 0 && _showing_well_known < 0) {
1786                                 /* w/well-known -> re-assign to new strip */
1787                                 int wk = _showing_well_known;
1788                                 drop_ctrl_connections ();
1789                                 select_plugin (wk);
1790                         }
1791                         return;
1792                 case ModeSend:
1793                         _plugin_off = 0;
1794                         assign_sends ();
1795                         return;
1796                 case ModeTrack:
1797                 case ModePan:
1798                         break;
1799         }
1800
1801         /* update selection lights */
1802         for (StripAssignmentMap::const_iterator i = _assigned_strips.begin(); i != _assigned_strips.end(); ++i) {
1803                 boost::shared_ptr<ARDOUR::Stripable> s = i->first;
1804                 uint8_t id = i->second;
1805                 bool sel = s->is_selected ();
1806                 _ctrls.strip(id).select_button ().set_active (sel);
1807                 _ctrls.strip(id).select_button ().set_blinking (sel && s == first_selected_stripable ());
1808         }
1809
1810         /* track automation-mode of primary selection */
1811         boost::shared_ptr<Stripable> s = first_selected_stripable();
1812         if (s) {
1813                 boost::shared_ptr<AutomationControl> ac;
1814                 ac = s->gain_control();
1815                 if (ac && ac->alist()) {
1816                         ac->alist()->automation_state_changed.connect (automation_state_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_automation_mode_changed, this), this);
1817                 }
1818                 ac = s->pan_azimuth_control();
1819                 if (ac && ac->alist()) {
1820                         ac->alist()->automation_state_changed.connect (automation_state_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_automation_mode_changed, this), this);
1821                 }
1822         }
1823         /* set lights */
1824         notify_automation_mode_changed ();
1825 }
1826
1827
1828 /* ****************************************************************************
1829  * Banking
1830  */
1831
1832 void
1833 FaderPort8::move_selected_into_view ()
1834 {
1835         boost::shared_ptr<Stripable> selected = first_selected_stripable ();
1836         if (!selected) {
1837                 return;
1838         }
1839
1840         StripableList strips;
1841         filter_stripables (strips);
1842
1843         StripableList::iterator it = std::find (strips.begin(), strips.end(), selected);
1844         if (it == strips.end()) {
1845                 return;
1846         }
1847         int off = std::distance (strips.begin(), it);
1848
1849         if (_channel_off <= off && off < _channel_off + 8) {
1850                 return;
1851         }
1852
1853         if (_channel_off > off) {
1854                 _channel_off = off;
1855         } else {
1856                 _channel_off = off - 7;
1857         }
1858         assign_strips (false);
1859 }
1860
1861 void
1862 FaderPort8::select_prev_next (bool next)
1863 {
1864         StripableList strips;
1865         filter_stripables (strips);
1866
1867         boost::shared_ptr<Stripable> selected = first_selected_stripable ();
1868         if (!selected) {
1869                 if (strips.size() > 0) {
1870                         if (next) {
1871                                 SetStripableSelection (strips.front ());
1872                         } else {
1873                                 SetStripableSelection (strips.back ());
1874                         }
1875                 }
1876                 return;
1877         }
1878
1879         bool found = false;
1880         boost::shared_ptr<Stripable> toselect;
1881         for (StripableList::const_iterator s = strips.begin(); s != strips.end(); ++s) {
1882                 if (*s == selected) {
1883                         if (!next) {
1884                                 found = true;
1885                                 break;
1886                         }
1887                         ++s;
1888                         if (s != strips.end()) {
1889                                 toselect = *s;
1890                                 found = true;
1891                         }
1892                         break;
1893                 }
1894                 if (!next) {
1895                         toselect = *s;
1896                 }
1897         }
1898
1899         if (found && toselect) {
1900                 SetStripableSelection (toselect);
1901         }
1902 }
1903
1904 void
1905 FaderPort8::bank (bool down, bool page)
1906 {
1907         int dt = page ? 8 : 1;
1908         if (down) {
1909                 dt *= -1;
1910         }
1911         _channel_off += dt;
1912         assign_strips (false);
1913 }
1914
1915 void
1916 FaderPort8::bank_param (bool down, bool page)
1917 {
1918         int dt = page ? 8 : 1;
1919         if (down) {
1920                 dt *= -1;
1921         }
1922         switch (_ctrls.fader_mode ()) {
1923                 case ModePlugins:
1924                         if (_proc_params.size() > 0) {
1925                                 _parameter_off += dt;
1926                                 assign_processor_ctrls ();
1927                         } else {
1928                                 _plugin_off += dt;
1929                                 spill_plugins ();
1930                         }
1931                         break;
1932                 case ModeSend:
1933                         _plugin_off += dt;
1934                         assign_sends ();
1935                         break;
1936                 default:
1937                         break;
1938         }
1939 }