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 PBD;
  54 using namespace Glib;
  55 using namespace std;
  56 using namespace ArdourSurface::FP_NAMESPACE;
  57 using namespace ArdourSurface::FP_NAMESPACE::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 #ifdef FADERPORT16
  90         : ControlProtocol (s, _("PreSonus FaderPort16"))
  91 #else
  92         : ControlProtocol (s, _("PreSonus FaderPort8"))
  93 #endif
  94         , AbstractUI<FaderPort8Request> (name())
  95         , _connection_state (ConnectionState (0))
  96         , _device_active (false)
  97         , _ctrls (*this)
  98         , _plugin_off (0)
  99         , _parameter_off (0)
 100         , _show_presets (false)
 101         , _showing_well_known (0)
 102         , _timer_divider (0)
 103         , _blink_onoff (false)
 104         , _shift_lock (false)
 105         , _shift_pressed (0)
 106         , gui (0)
 107         , _link_enabled (false)
 108         , _link_locked (false)
 109         , _clock_mode (1)
 110         , _scribble_mode (2)
 111         , _two_line_text (false)
 112         , _auto_pluginui (true)
 113 {
 114         boost::shared_ptr<ARDOUR::Port> inp;
 115         boost::shared_ptr<ARDOUR::Port> outp;
 116
 117 #ifdef FADERPORT16
 118         inp  = AudioEngine::instance()->register_input_port (DataType::MIDI, "FaderPort8 Recv", true);
 119         outp = AudioEngine::instance()->register_output_port (DataType::MIDI, "FaderPort8 Send", true);
 120 #else
 121         inp  = AudioEngine::instance()->register_input_port (DataType::MIDI, "FaderPort16 Recv", true);
 122         outp = AudioEngine::instance()->register_output_port (DataType::MIDI, "FaderPort16 Send", true);
 123 #endif
 124         _input_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(inp);
 125         _output_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(outp);
 126
 127         if (_input_port == 0 || _output_port == 0) {
 128                 throw failed_constructor();
 129         }
 130
 131 #ifdef FADERPORT16
 132         _input_bundle.reset (new ARDOUR::Bundle (_("FaderPort8 (Receive)"), true));
 133         _output_bundle.reset (new ARDOUR::Bundle (_("FaderPort8 (Send) "), false));
 134 #else
 135         _input_bundle.reset (new ARDOUR::Bundle (_("FaderPort16 (Receive)"), true));
 136         _output_bundle.reset (new ARDOUR::Bundle (_("FaderPort16 (Send) "), false));
 137 #endif
 138
 139         _input_bundle->add_channel (
 140                 inp->name(),
 141                 ARDOUR::DataType::MIDI,
 142                 session->engine().make_port_name_non_relative (inp->name())
 143                 );
 144
 145         _output_bundle->add_channel (
 146                 outp->name(),
 147                 ARDOUR::DataType::MIDI,
 148                 session->engine().make_port_name_non_relative (outp->name())
 149                 );
 150
 151         ARDOUR::AudioEngine::instance()->PortConnectedOrDisconnected.connect (port_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::connection_handler, this, _2, _4), this);
 152         ARDOUR::AudioEngine::instance()->Stopped.connect (port_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::engine_reset, this), this);
 153         ARDOUR::Port::PortDrop.connect (port_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::engine_reset, this), this);
 154
 155         /* bind button events to call libardour actions */
 156         setup_actions ();
 157
 158         _ctrls.FaderModeChanged.connect_same_thread (modechange_connections, boost::bind (&FaderPort8::notify_fader_mode_changed, this));
 159         _ctrls.MixModeChanged.connect_same_thread (modechange_connections, boost::bind (&FaderPort8::assign_strips, this));
 160 }
 161
 162 FaderPort8::~FaderPort8 ()
 163 {
 164         /* this will be called from the main UI thread. during Session::destroy().
 165          * There can be concurrent activity from BaseUI::main_thread -> AsyncMIDIPort
 166          * -> MIDI::Parser::signal -> ... to any of the midi_connections
 167          *
 168          * stop event loop early and join thread */
 169         stop ();
 170
 171         if (_input_port) {
 172                 DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("unregistering input port %1\n", boost::shared_ptr<ARDOUR::Port>(_input_port)->name()));
 173                 Glib::Threads::Mutex::Lock em (AudioEngine::instance()->process_lock());
 174                 AudioEngine::instance()->unregister_port (_input_port);
 175                 _input_port.reset ();
 176         }
 177
 178         disconnected (); // zero faders, turn lights off, clear strips
 179
 180         if (_output_port) {
 181                 _output_port->drain (10000,  250000); /* check every 10 msecs, wait up to 1/4 second for the port to drain */
 182                 DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("unregistering output port %1\n", boost::shared_ptr<ARDOUR::Port>(_output_port)->name()));
 183                 Glib::Threads::Mutex::Lock em (AudioEngine::instance()->process_lock());
 184                 AudioEngine::instance()->unregister_port (_output_port);
 185                 _output_port.reset ();
 186         }
 187
 188         tear_down_gui ();
 189 }
 190
 191 /* ****************************************************************************
 192  * Event Loop
 193  */
 194
 195 void*
 196 FaderPort8::request_factory (uint32_t num_requests)
 197 {
 198         /* AbstractUI<T>::request_buffer_factory() is a template method only
 199          * instantiated in this source module. To provide something visible for
 200          * use in the interface/descriptor, we have this static method that is
 201          * template-free.
 202          */
 203         return request_buffer_factory (num_requests);
 204 }
 205
 206 void
 207 FaderPort8::do_request (FaderPort8Request* req)
 208 {
 209         if (req->type == CallSlot) {
 210                 call_slot (MISSING_INVALIDATOR, req->the_slot);
 211         } else if (req->type == Quit) {
 212                 stop ();
 213                 disconnected ();
 214         }
 215 }
 216
 217 void
 218 FaderPort8::stop ()
 219 {
 220         DEBUG_TRACE (DEBUG::FaderPort8, "BaseUI::quit ()\n");
 221         BaseUI::quit ();
 222         close (); // drop references, disconnect from session signals
 223 }
 224
 225 void
 226 FaderPort8::thread_init ()
 227 {
 228         pthread_set_name (event_loop_name().c_str());
 229
 230         PBD::notify_event_loops_about_thread_creation (pthread_self(), event_loop_name(), 2048);
 231         ARDOUR::SessionEvent::create_per_thread_pool (event_loop_name(), 128);
 232
 233         set_thread_priority ();
 234 }
 235
 236 bool
 237 FaderPort8::periodic ()
 238 {
 239         /* prepare TC display -- handled by stripable Periodic ()
 240          * in FP8Strip::periodic_update_timecode
 241          */
 242         if (_ctrls.display_timecode () && clock_mode ()) {
 243                 Timecode::Time TC;
 244                 session->timecode_time (TC);
 245                 _timecode = Timecode::timecode_format_time(TC);
 246
 247                 char buf[16];
 248                 Timecode::BBT_Time BBT = session->tempo_map ().bbt_at_sample (session->transport_sample ());
 249                 snprintf (buf, sizeof (buf),
 250                                 " %02" PRIu32 "|%02" PRIu32 "|%02" PRIu32 "|%02" PRIu32,
 251                                 BBT.bars % 100, BBT.beats %100,
 252                                 (BBT.ticks/ 100) %100, BBT.ticks %100);
 253                 _musical_time = std::string (buf);
 254         } else {
 255                 _timecode.clear ();
 256                 _musical_time.clear ();
 257         }
 258
 259 #ifdef FADERPORT16
 260         /* every second, send "running" */
 261         if (++_timer_divider == 10) {
 262                 _timer_divider = 0;
 263                 tx_midi3 (0xa0, 0x00, 0x00);
 264         }
 265 #endif
 266
 267         /* update stripables */
 268         Periodic ();
 269         return true;
 270 }
 271
 272 bool
 273 FaderPort8::blink_it ()
 274 {
 275         _blink_onoff = !_blink_onoff;
 276         BlinkIt (_blink_onoff);
 277         return true;
 278 }
 279
 280 /* ****************************************************************************
 281  * Port and Signal Connection Management
 282  */
 283 int
 284 FaderPort8::set_active (bool yn)
 285 {
 286         DEBUG_TRACE (DEBUG::FaderPort8, string_compose("set_active init with yn: '%1'\n", yn));
 287
 288         if (yn == active()) {
 289                 return 0;
 290         }
 291
 292         if (yn) {
 293                 /* start event loop */
 294                 BaseUI::run ();
 295                 connect_session_signals ();
 296         } else {
 297                 stop ();
 298         }
 299
 300         ControlProtocol::set_active (yn);
 301         DEBUG_TRACE (DEBUG::FaderPort8, string_compose("set_active done with yn: '%1'\n", yn));
 302         return 0;
 303 }
 304
 305 void
 306 FaderPort8::close ()
 307 {
 308         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::close\n");
 309         stop_midi_handling ();
 310         session_connections.drop_connections ();
 311         automation_state_connections.drop_connections ();
 312         assigned_stripable_connections.drop_connections ();
 313         _assigned_strips.clear ();
 314         drop_ctrl_connections ();
 315         port_connections.drop_connections ();
 316         selection_connection.disconnect ();
 317 }
 318
 319 void
 320 FaderPort8::stop_midi_handling ()
 321 {
 322         _periodic_connection.disconnect ();
 323         _blink_connection.disconnect ();
 324         midi_connections.drop_connections ();
 325         /* Note: the input handler is still active at this point, but we're no
 326          * longer connected to any of the parser signals
 327          */
 328 }
 329
 330 void
 331 FaderPort8::connected ()
 332 {
 333         DEBUG_TRACE (DEBUG::FaderPort8, "initializing\n");
 334         assert (!_device_active);
 335
 336         if (_device_active) {
 337                 stop_midi_handling (); // re-init
 338         }
 339
 340         // ideally check firmware version >= 1.01 (USB bcdDevice 0x0101) (vendor 0x194f prod 0x0202)
 341         // but we don't have a handle to the underlying USB device here.
 342
 343         memset (_channel_off, 0, sizeof (_channel_off));
 344         _plugin_off = _parameter_off = 0;
 345         _blink_onoff = false;
 346         _shift_lock = false;
 347         _shift_pressed = 0;
 348         _timer_divider = 0;
 349
 350         start_midi_handling ();
 351         _ctrls.initialize ();
 352
 353         /* highlight bound user-actions */
 354         for (FP8Controls::UserButtonMap::const_iterator i = _ctrls.user_buttons ().begin ();
 355                         i != _ctrls.user_buttons ().end (); ++i) {
 356                 _ctrls.button (i->first).set_active (! _user_action_map[i->first].empty ());
 357         }
 358         /* shift button lights */
 359         tx_midi3 (0x90, 0x06, 0x00);
 360         tx_midi3 (0x90, 0x46, 0x00);
 361
 362         send_session_state ();
 363         assign_strips ();
 364
 365         Glib::RefPtr<Glib::TimeoutSource> blink_timer =
 366                 Glib::TimeoutSource::create (200);
 367         _blink_connection = blink_timer->connect (sigc::mem_fun (*this, &FaderPort8::blink_it));
 368         blink_timer->attach (main_loop()->get_context());
 369
 370         Glib::RefPtr<Glib::TimeoutSource> periodic_timer =
 371                 Glib::TimeoutSource::create (100);
 372         _periodic_connection = periodic_timer->connect (sigc::mem_fun (*this, &FaderPort8::periodic));
 373         periodic_timer->attach (main_loop()->get_context());
 374 }
 375
 376 void
 377 FaderPort8::disconnected ()
 378 {
 379         stop_midi_handling ();
 380         if (_device_active) {
 381                 for (uint8_t id = 0; id < N_STRIPS; ++id) {
 382                         _ctrls.strip(id).unset_controllables ();
 383                 }
 384                 _ctrls.all_lights_off ();
 385         }
 386 }
 387
 388 void
 389 FaderPort8::engine_reset ()
 390 {
 391         /* Port::PortDrop is called when the engine is halted or stopped */
 392         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::engine_reset\n");
 393         _connection_state = 0;
 394         _device_active = false;
 395         disconnected ();
 396 }
 397
 398 bool
 399 FaderPort8::connection_handler (std::string name1, std::string name2)
 400 {
 401 #ifdef VERBOSE_DEBUG
 402         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::connection_handler: start\n");
 403 #endif
 404         if (!_input_port || !_output_port) {
 405                 return false;
 406         }
 407
 408         string ni = ARDOUR::AudioEngine::instance()->make_port_name_non_relative (boost::shared_ptr<ARDOUR::Port>(_input_port)->name());
 409         string no = ARDOUR::AudioEngine::instance()->make_port_name_non_relative (boost::shared_ptr<ARDOUR::Port>(_output_port)->name());
 410
 411         if (ni == name1 || ni == name2) {
 412                 DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("Connection notify %1 and %2\n", name1, name2));
 413                 if (_input_port->connected ()) {
 414                         if (_connection_state & InputConnected) {
 415                                 return false;
 416                         }
 417                         _connection_state |= InputConnected;
 418                 } else {
 419                         _connection_state &= ~InputConnected;
 420                 }
 421         } else if (no == name1 || no == name2) {
 422                 DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("Connection notify %1 and %2\n", name1, name2));
 423                 if (_output_port->connected ()) {
 424                         if (_connection_state & OutputConnected) {
 425                                 return false;
 426                         }
 427                         _connection_state |= OutputConnected;
 428                 } else {
 429                         _connection_state &= ~OutputConnected;
 430                 }
 431         } else {
 432 #ifdef VERBOSE_DEBUG
 433                 DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("Connections between %1 and %2 changed, but I ignored it\n", name1, name2));
 434 #endif
 435                 /* not our ports */
 436                 return false;
 437         }
 438
 439         if ((_connection_state & (InputConnected|OutputConnected)) == (InputConnected|OutputConnected)) {
 440
 441                 /* XXX this is a horrible hack. Without a short sleep here,
 442                  * something prevents the device wakeup messages from being
 443                  * sent and/or the responses from being received.
 444                  */
 445                 g_usleep (100000);
 446                 DEBUG_TRACE (DEBUG::FaderPort8, "device now connected for both input and output\n");
 447                 connected ();
 448                 _device_active = true;
 449
 450         } else {
 451                 DEBUG_TRACE (DEBUG::FaderPort8, "Device disconnected (input or output or both) or not yet fully connected\n");
 452                 if (_device_active) {
 453                         disconnected ();
 454                 }
 455                 _device_active = false;
 456         }
 457
 458         ConnectionChange (); /* emit signal for our GUI */
 459
 460 #ifdef VERBOSE_DEBUG
 461         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::connection_handler: end\n");
 462 #endif
 463
 464         return true; /* connection status changed */
 465 }
 466
 467 list<boost::shared_ptr<ARDOUR::Bundle> >
 468 FaderPort8::bundles ()
 469 {
 470         list<boost::shared_ptr<ARDOUR::Bundle> > b;
 471
 472         if (_input_bundle) {
 473                 b.push_back (_input_bundle);
 474                 b.push_back (_output_bundle);
 475         }
 476
 477         return b;
 478 }
 479
 480 /* ****************************************************************************
 481  * MIDI I/O
 482  */
 483 bool
 484 FaderPort8::midi_input_handler (Glib::IOCondition ioc, boost::weak_ptr<ARDOUR::AsyncMIDIPort> wport)
 485 {
 486         boost::shared_ptr<AsyncMIDIPort> port (wport.lock());
 487
 488         if (!port || !_input_port) {
 489                 return false;
 490         }
 491
 492 #ifdef VERBOSE_DEBUG
 493         DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("something happend on %1\n", boost::shared_ptr<MIDI::Port>(port)->name()));
 494 #endif
 495
 496         if (ioc & ~IO_IN) {
 497                 return false;
 498         }
 499
 500         if (ioc & IO_IN) {
 501
 502                 port->clear ();
 503 #ifdef VERBOSE_DEBUG
 504                 DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("data available on %1\n", boost::shared_ptr<MIDI::Port>(port)->name()));
 505 #endif
 506                 samplepos_t now = session->engine().sample_time();
 507                 port->parse (now);
 508         }
 509
 510         return true;
 511 }
 512
 513 void
 514 FaderPort8::start_midi_handling ()
 515 {
 516         _input_port->parser()->sysex.connect_same_thread (midi_connections, boost::bind (&FaderPort8::sysex_handler, this, _1, _2, _3));
 517         _input_port->parser()->poly_pressure.connect_same_thread (midi_connections, boost::bind (&FaderPort8::polypressure_handler, this, _1, _2));
 518         for (uint8_t i = 0; i < 16; ++i) {
 519         _input_port->parser()->channel_pitchbend[i].connect_same_thread (midi_connections, boost::bind (&FaderPort8::pitchbend_handler, this, _1, i, _2));
 520         }
 521         _input_port->parser()->controller.connect_same_thread (midi_connections, boost::bind (&FaderPort8::controller_handler, this, _1, _2));
 522         _input_port->parser()->note_on.connect_same_thread (midi_connections, boost::bind (&FaderPort8::note_on_handler, this, _1, _2));
 523         _input_port->parser()->note_off.connect_same_thread (midi_connections, boost::bind (&FaderPort8::note_off_handler, this, _1, _2));
 524
 525         /* This connection means that whenever data is ready from the input
 526          * port, the relevant thread will invoke our ::midi_input_handler()
 527          * method, which will read the data, and invoke the parser.
 528          */
 529         _input_port->xthread().set_receive_handler (sigc::bind (sigc::mem_fun (this, &FaderPort8::midi_input_handler), boost::weak_ptr<AsyncMIDIPort> (_input_port)));
 530         _input_port->xthread().attach (main_loop()->get_context());
 531 }
 532
 533 size_t
 534 FaderPort8::tx_midi (std::vector<uint8_t> const& d) const
 535 {
 536         /* work around midi buffer overflow for batch changes */
 537         if (d.size() == 3 && (d[0] == 0x91 || d[0] == 0x92)) {
 538                 /* set colors triplet in one go */
 539         } else if (d.size() == 3 && (d[0] == 0x93)) {
 540                 g_usleep (1500);
 541         } else {
 542                 g_usleep (400 * d.size());
 543         }
 544 #ifndef NDEBUG
 545         size_t tx = _output_port->write (&d[0], d.size(), 0);
 546         assert (tx == d.size());
 547         return tx;
 548 #else
 549         return _output_port->write (&d[0], d.size(), 0);
 550 #endif
 551 }
 552
 553 /* ****************************************************************************
 554  * MIDI Callbacks
 555  */
 556 void
 557 FaderPort8::polypressure_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb)
 558 {
 559         debug_2byte_msg ("PP", tb->controller_number, tb->value);
 560         // outgoing only (meter)
 561 }
 562
 563 void
 564 FaderPort8::pitchbend_handler (MIDI::Parser &, uint8_t chan, MIDI::pitchbend_t pb)
 565 {
 566         debug_2byte_msg ("PB", chan, pb);
 567         /* fader 0..16368 (0x3ff0 -- 1024 steps) */
 568         bool handled = _ctrls.midi_fader (chan, pb);
 569         /* if Shift key is held while moving a fader (group override), don't lock shift. */
 570         if ((_shift_pressed > 0) && handled) {
 571                 _shift_connection.disconnect ();
 572                 _shift_lock = false;
 573         }
 574 }
 575
 576 void
 577 FaderPort8::controller_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb)
 578 {
 579         debug_2byte_msg ("CC", tb->controller_number, tb->value);
 580         /* encoder
 581          * FaderPort8:
 582          *    val Bit 7 = direction, Bits 0-6 = number of steps
 583          * FaderPort16:
 584          *    val Bit 6 = direction, Bits 0-5 = number of steps
 585          */
 586 #ifdef FADERPORT16
 587         static const uint8_t dir_mask = 0x20;
 588         static const uint8_t step_mask = 0x1f;
 589 #else
 590         static const uint8_t dir_mask = 0x40;
 591         static const uint8_t step_mask = 0x3f;
 592 #endif
 593
 594         if (tb->controller_number == 0x3c) {
 595                 encoder_navigate (tb->value & dir_mask ? true : false, tb->value & step_mask);
 596         }
 597         if (tb->controller_number == 0x10) {
 598                 encoder_parameter (tb->value & dir_mask ? true : false, tb->value & step_mask);
 599         }
 600 }
 601
 602 void
 603 FaderPort8::note_on_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb)
 604 {
 605         debug_2byte_msg ("ON", tb->note_number, tb->velocity);
 606
 607         /* fader touch */
 608 #ifdef FaderPort16
 609         static const uint8_t touch_id_uppper = 0x77;
 610 #else
 611         static const uint8_t touch_id_uppper = 0x6f;
 612 #endif
 613         if (tb->note_number >= 0x68 && tb->note_number <= touch_id_uppper) {
 614                 _ctrls.midi_touch (tb->note_number - 0x68, tb->velocity);
 615                 return;
 616         }
 617
 618         /* special case shift */
 619         if (tb->note_number == 0x06 || tb->note_number == 0x46) {
 620                 _shift_pressed |= (tb->note_number == 0x06) ? 1 : 2;
 621                 if (_shift_pressed == 3) {
 622                         return;
 623                 }
 624                 _shift_connection.disconnect ();
 625                 if (_shift_lock) {
 626                         _shift_lock = false;
 627                         ShiftButtonChange (false);
 628                         tx_midi3 (0x90, 0x06, 0x00);
 629                         tx_midi3 (0x90, 0x46, 0x00);
 630                         return;
 631                 }
 632
 633                 Glib::RefPtr<Glib::TimeoutSource> shift_timer =
 634                         Glib::TimeoutSource::create (1000);
 635                 shift_timer->attach (main_loop()->get_context());
 636                 _shift_connection = shift_timer->connect (sigc::mem_fun (*this, &FaderPort8::shift_timeout));
 637
 638                 ShiftButtonChange (true);
 639                 tx_midi3 (0x90, 0x06, 0x7f);
 640                 tx_midi3 (0x90, 0x46, 0x7f);
 641                 return;
 642         }
 643
 644         _ctrls.midi_event (tb->note_number, tb->velocity);
 645 }
 646
 647 void
 648 FaderPort8::note_off_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb)
 649 {
 650         debug_2byte_msg ("OF", tb->note_number, tb->velocity);
 651
 652 #ifdef FaderPort16
 653         static const uint8_t touch_id_uppper = 0x77;
 654 #else
 655         static const uint8_t touch_id_uppper = 0x6f;
 656 #endif
 657         if (tb->note_number >= 0x68 && tb->note_number <= touch_id_uppper) {
 658                 // fader touch
 659                 _ctrls.midi_touch (tb->note_number - 0x68, tb->velocity);
 660                 return;
 661         }
 662
 663         /* special case shift */
 664         if (tb->note_number == 0x06 || tb->note_number == 0x46) {
 665                 _shift_pressed &= (tb->note_number == 0x06) ? 2 : 1;
 666                 if (_shift_pressed > 0) {
 667                         return;
 668                 }
 669                 if (_shift_lock) {
 670                         return;
 671                 }
 672                 ShiftButtonChange (false);
 673                 tx_midi3 (0x90, 0x06, 0x00);
 674                 tx_midi3 (0x90, 0x46, 0x00);
 675                 /* just in case this happens concurrently */
 676                 _shift_connection.disconnect ();
 677                 _shift_lock = false;
 678                 return;
 679         }
 680
 681         bool handled = _ctrls.midi_event (tb->note_number, tb->velocity);
 682         /* if Shift key is held while activating an action, don't lock shift. */
 683         if ((_shift_pressed > 0) && handled) {
 684                 _shift_connection.disconnect ();
 685                 _shift_lock = false;
 686         }
 687 }
 688
 689 void
 690 FaderPort8::sysex_handler (MIDI::Parser &p, MIDI::byte *buf, size_t size)
 691 {
 692 #ifndef NDEBUG
 693         if (DEBUG_ENABLED(DEBUG::FaderPort8)) {
 694                 DEBUG_STR_DECL(a);
 695                 DEBUG_STR_APPEND(a, string_compose ("RECV sysex siz=%1", size));
 696                 for (size_t i=0; i < size; ++i) {
 697                         DEBUG_STR_APPEND(a,hex);
 698                         DEBUG_STR_APPEND(a,"0x");
 699                         DEBUG_STR_APPEND(a,(int)buf[i]);
 700                         DEBUG_STR_APPEND(a,' ');
 701                 }
 702                 DEBUG_STR_APPEND(a,'\n');
 703                 DEBUG_TRACE (DEBUG::FaderPort8, DEBUG_STR(a).str());
 704         }
 705 #endif
 706 }
 707
 708 /* ****************************************************************************
 709  * User actions
 710  */
 711 void
 712 FaderPort8::set_button_action (FP8Controls::ButtonId id, bool press, std::string const& action_name)
 713 {
 714         if (_ctrls.user_buttons().find (id) == _ctrls.user_buttons().end ()) {
 715                 return;
 716         }
 717         _user_action_map[id].action (press).assign_action (action_name);
 718
 719         if (!_device_active) {
 720                 return;
 721         }
 722         _ctrls.button (id).set_active (!_user_action_map[id].empty ());
 723 }
 724
 725 std::string
 726 FaderPort8::get_button_action (FP8Controls::ButtonId id, bool press)
 727 {
 728         return _user_action_map[id].action(press)._action_name;
 729 }
 730
 731 /* ****************************************************************************
 732  * Persistent State
 733  */
 734 XMLNode&
 735 FaderPort8::get_state ()
 736 {
 737         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::get_state\n");
 738         XMLNode& node (ControlProtocol::get_state());
 739
 740         XMLNode* child;
 741
 742         child = new XMLNode (X_("Input"));
 743         child->add_child_nocopy (boost::shared_ptr<ARDOUR::Port>(_input_port)->get_state());
 744         node.add_child_nocopy (*child);
 745
 746         child = new XMLNode (X_("Output"));
 747         child->add_child_nocopy (boost::shared_ptr<ARDOUR::Port>(_output_port)->get_state());
 748         node.add_child_nocopy (*child);
 749
 750         node.set_property (X_("clock-mode"), _clock_mode);
 751         node.set_property (X_("scribble-mode"), _scribble_mode);
 752         node.set_property (X_("two-line-text"), _two_line_text);
 753
 754         for (UserActionMap::const_iterator i = _user_action_map.begin (); i != _user_action_map.end (); ++i) {
 755                 if (i->second.empty()) {
 756                         continue;
 757                 }
 758                 std::string name;
 759                 if (!_ctrls.button_enum_to_name (i->first, name)) {
 760                         continue;
 761                 }
 762                 XMLNode* btn = new XMLNode (X_("Button"));
 763                 btn->set_property (X_("id"), name);
 764                 if (!i->second.action(true).empty ()) {
 765                         btn->set_property ("press", i->second.action(true)._action_name);
 766                 }
 767                 if (!i->second.action(false).empty ()) {
 768                         btn->set_property ("release", i->second.action(false)._action_name);
 769                 }
 770                 node.add_child_nocopy (*btn);
 771         }
 772
 773         return node;
 774 }
 775
 776 int
 777 FaderPort8::set_state (const XMLNode& node, int version)
 778 {
 779         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::set_state\n");
 780         XMLNodeList nlist;
 781         XMLNodeConstIterator niter;
 782         XMLNode const* child;
 783
 784         if (ControlProtocol::set_state (node, version)) {
 785                 return -1;
 786         }
 787
 788         if ((child = node.child (X_("Input"))) != 0) {
 789                 XMLNode* portnode = child->child (Port::state_node_name.c_str());
 790                 if (portnode) {
 791                         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::set_state Input\n");
 792                         boost::shared_ptr<ARDOUR::Port>(_input_port)->set_state (*portnode, version);
 793                 }
 794         }
 795
 796         if ((child = node.child (X_("Output"))) != 0) {
 797                 XMLNode* portnode = child->child (Port::state_node_name.c_str());
 798                 if (portnode) {
 799                         DEBUG_TRACE (DEBUG::FaderPort8, "FaderPort8::set_state Output\n");
 800                         boost::shared_ptr<ARDOUR::Port>(_output_port)->set_state (*portnode, version);
 801                 }
 802         }
 803
 804         node.get_property (X_("clock-mode"), _clock_mode);
 805         node.get_property (X_("scribble-mode"), _scribble_mode);
 806         node.get_property (X_("two-line-text"), _two_line_text);
 807
 808         _user_action_map.clear ();
 809         // TODO: When re-loading state w/o surface re-init becomes possible,
 810         // unset lights and reset colors of user buttons.
 811
 812         for (XMLNodeList::const_iterator n = node.children().begin(); n != node.children().end(); ++n) {
 813                 if ((*n)->name() != X_("Button")) {
 814                         continue;
 815                 }
 816
 817                 std::string id_str;
 818                 if (!(*n)->get_property (X_("id"), id_str)) {
 819                         continue;
 820                 }
 821
 822                 FP8Controls::ButtonId id;
 823                 if (!_ctrls.button_name_to_enum (id_str, id)) {
 824                         continue;
 825                 }
 826
 827                 std::string action_str;
 828                 if ((*n)->get_property (X_("press"), action_str)) {
 829                         set_button_action (id, true, action_str);
 830                 }
 831                 if ((*n)->get_property (X_("release"), action_str)) {
 832                         set_button_action (id, false, action_str);
 833                 }
 834         }
 835
 836         return 0;
 837 }
 838
 839 /* ****************************************************************************
 840  * Stripable Assignment
 841  */
 842
 843 static bool flt_audio_track (boost::shared_ptr<Stripable> s) {
 844         return boost::dynamic_pointer_cast<AudioTrack>(s) != 0;
 845 }
 846
 847 static bool flt_midi_track (boost::shared_ptr<Stripable> s) {
 848         return boost::dynamic_pointer_cast<MidiTrack>(s) != 0;
 849 }
 850
 851 static bool flt_bus (boost::shared_ptr<Stripable> s) {
 852         if (boost::dynamic_pointer_cast<Route>(s) == 0) {
 853                 return false;
 854         }
 855 #ifdef MIXBUS
 856         if (s->mixbus () == 0) {
 857                 return false;
 858         }
 859 #endif
 860         return boost::dynamic_pointer_cast<Track>(s) == 0;
 861 }
 862
 863 static bool flt_auxbus (boost::shared_ptr<Stripable> s) {
 864         if (boost::dynamic_pointer_cast<Route>(s) == 0) {
 865                 return false;
 866         }
 867 #ifdef MIXBUS
 868         if (s->mixbus () > 0) {
 869                 return false;
 870         }
 871 #endif
 872         return boost::dynamic_pointer_cast<Track>(s) == 0;
 873 }
 874
 875 static bool flt_vca (boost::shared_ptr<Stripable> s) {
 876         return boost::dynamic_pointer_cast<VCA>(s) != 0;
 877 }
 878
 879 static bool flt_selected (boost::shared_ptr<Stripable> s) {
 880         return s->is_selected ();
 881 }
 882
 883 static bool flt_mains (boost::shared_ptr<Stripable> s) {
 884         return (s->is_master() || s->is_monitor());
 885 }
 886
 887 static bool flt_all (boost::shared_ptr<Stripable> s) {
 888         return true;
 889 }
 890
 891 static bool flt_rec_armed (boost::shared_ptr<Stripable> s) {
 892         boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(s);
 893         if (!t) {
 894                 return false;
 895         }
 896         return t->rec_enable_control ()->get_value () > 0.;
 897 }
 898
 899 static bool flt_instrument (boost::shared_ptr<Stripable> s) {
 900         boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route>(s);
 901         if (!r) {
 902                 return false;
 903         }
 904         return 0 != r->the_instrument ();
 905 }
 906
 907 void
 908 FaderPort8::filter_stripables (StripableList& strips) const
 909 {
 910         typedef bool (*FilterFunction)(boost::shared_ptr<Stripable>);
 911         FilterFunction flt;
 912
 913         bool allow_master = false;
 914         bool allow_monitor = false;
 915
 916         switch (_ctrls.mix_mode ()) {
 917                 case MixAudio:
 918                         flt = &flt_audio_track;
 919                         break;
 920                 case MixInstrument:
 921                         flt = &flt_instrument;
 922                         break;
 923                 case MixBus:
 924                         flt = &flt_bus;
 925                         break;
 926                 case MixVCA:
 927                         flt = &flt_vca;
 928                         break;
 929                 case MixMIDI:
 930                         flt = &flt_midi_track;
 931                         break;
 932                 case MixUser:
 933                         allow_master = true;
 934                         flt = &flt_selected;
 935                         break;
 936                 case MixOutputs:
 937                         allow_master = true;
 938                         allow_monitor = true;
 939                         flt = &flt_mains;
 940                         break;
 941                 case MixInputs:
 942                         flt = &flt_rec_armed;
 943                         break;
 944                 case MixFX:
 945                         flt = &flt_auxbus;
 946                         break;
 947                 default:
 948                         assert (0);
 949                         // fall through
 950                 case MixAll:
 951                         allow_master = true;
 952                         flt = &flt_all;
 953                         break;
 954         }
 955
 956         StripableList all;
 957         session->get_stripables (all);
 958
 959         for (StripableList::const_iterator s = all.begin(); s != all.end(); ++s) {
 960                 if ((*s)->is_auditioner ()) { continue; }
 961                 if ((*s)->is_hidden ()) { continue; }
 962
 963                 if (!allow_master  && (*s)->is_master ()) { continue; }
 964                 if (!allow_monitor && (*s)->is_monitor ()) { continue; }
 965
 966                 if ((*flt)(*s)) {
 967                         strips.push_back (*s);
 968                 }
 969         }
 970         strips.sort (Stripable::Sorter(true));
 971 }
 972
 973 /* Track/Pan mode: assign stripable to strips, Send-mode: selection */
 974 void
 975 FaderPort8::assign_stripables (bool select_only)
 976 {
 977         StripableList strips;
 978         filter_stripables (strips);
 979
 980         if (!select_only) {
 981                 set_periodic_display_mode (FP8Strip::Stripables);
 982         }
 983
 984         int n_strips = strips.size();
 985         int channel_off = get_channel_off (_ctrls.mix_mode ());
 986         channel_off = std::min (channel_off, n_strips - N_STRIPS);
 987         channel_off = std::max (0, channel_off);
 988         set_channel_off (_ctrls.mix_mode (), channel_off);
 989
 990         uint8_t id = 0;
 991         int skip = channel_off;
 992         for (StripableList::const_iterator s = strips.begin(); s != strips.end(); ++s) {
 993                 if (skip > 0) {
 994                         --skip;
 995                         continue;
 996                 }
 997
 998                 _assigned_strips[*s] = id;
 999                 (*s)->DropReferences.connect (assigned_stripable_connections, MISSING_INVALIDATOR,
1000                                 boost::bind (&FaderPort8::notify_stripable_added_or_removed, this), this);
1001
1002                 (*s)->PropertyChanged.connect (assigned_stripable_connections, MISSING_INVALIDATOR,
1003                                 boost::bind (&FaderPort8::notify_stripable_property_changed, this, boost::weak_ptr<Stripable> (*s), _1), this);
1004                 (*s)->presentation_info ().PropertyChanged.connect (assigned_stripable_connections, MISSING_INVALIDATOR,
1005                                 boost::bind (&FaderPort8::notify_stripable_property_changed, this, boost::weak_ptr<Stripable> (*s), _1), this);
1006
1007                 if (select_only) {
1008                         /* used in send mode */
1009                         _ctrls.strip(id).set_text_line (3, (*s)->name (), true);
1010                         _ctrls.strip(id).select_button ().set_color ((*s)->presentation_info ().color());
1011                         /* update selection lights */
1012                         _ctrls.strip(id).select_button ().set_active ((*s)->is_selected ());
1013                         _ctrls.strip(id).select_button ().set_blinking (*s == first_selected_stripable ());
1014                 } else {
1015                         _ctrls.strip(id).set_stripable (*s, _ctrls.fader_mode() == ModePan);
1016                 }
1017
1018                  boost::function<void ()> cb (boost::bind (&FaderPort8::select_strip, this, boost::weak_ptr<Stripable> (*s)));
1019                  _ctrls.strip(id).set_select_cb (cb);
1020
1021                 if (++id == N_STRIPS) {
1022                         break;
1023                 }
1024         }
1025         for (; id < N_STRIPS; ++id) {
1026                 _ctrls.strip(id).unset_controllables (select_only ? (FP8Strip::CTRL_SELECT | FP8Strip::CTRL_TEXT3) : FP8Strip::CTRL_ALL);
1027                 _ctrls.strip(id).set_periodic_display_mode (FP8Strip::Stripables);
1028         }
1029 }
1030
1031 /* ****************************************************************************
1032  * Control Link/Lock
1033  */
1034
1035 void
1036 FaderPort8::unlock_link (bool drop)
1037 {
1038         link_locked_connection.disconnect ();
1039
1040         if (drop) {
1041                 stop_link (); // calls back here with drop = false
1042                 return;
1043         }
1044
1045         _link_locked = false;
1046
1047         if (_link_enabled) {
1048                 assert (_ctrls.button (FP8Controls::BtnLink).is_active ());
1049                 _link_control.reset ();
1050                 start_link (); // re-connect & update LED colors
1051         } else {
1052                 _ctrls.button (FP8Controls::BtnLink).set_active (false);
1053                 _ctrls.button (FP8Controls::BtnLink).set_color (0x888888ff);
1054                 _ctrls.button (FP8Controls::BtnLock).set_active (false);
1055                 _ctrls.button (FP8Controls::BtnLock).set_color (0x888888ff);
1056         }
1057 }
1058
1059 void
1060 FaderPort8::lock_link ()
1061 {
1062         boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl> (_link_control.lock ());
1063         if (!ac) {
1064                 return;
1065         }
1066         ac->DropReferences.connect (link_locked_connection, MISSING_INVALIDATOR, boost::bind (&FaderPort8::unlock_link, this, true), this);
1067
1068         // stop watching for focus events
1069         link_connection.disconnect ();
1070
1071         _link_locked = true;
1072
1073         _ctrls.button (FP8Controls::BtnLock).set_color (0x00ff00ff);
1074         _ctrls.button (FP8Controls::BtnLink).set_color (0x00ff00ff);
1075 }
1076
1077 void
1078 FaderPort8::stop_link ()
1079 {
1080         if (!_link_enabled) {
1081                 return;
1082         }
1083         link_connection.disconnect ();
1084         _link_control.reset ();
1085         _link_enabled = false;
1086         unlock_link (); // also updates button colors
1087 }
1088
1089 void
1090 FaderPort8::start_link ()
1091 {
1092         assert (!_link_locked);
1093
1094         _link_enabled = true;
1095         _ctrls.button (FP8Controls::BtnLink).set_active (true);
1096         _ctrls.button (FP8Controls::BtnLock).set_active (true);
1097         nofity_focus_control (_link_control); // update BtnLink, BtnLock colors
1098
1099         PBD::Controllable::GUIFocusChanged.connect (link_connection, MISSING_INVALIDATOR, boost::bind (&FaderPort8::nofity_focus_control, this, _1), this);
1100 }
1101
1102
1103 /* ****************************************************************************
1104  * Plugin selection and parameters
1105  */
1106
1107 void
1108 FaderPort8::toggle_preset_param_mode ()
1109 {
1110         FaderMode fadermode = _ctrls.fader_mode ();
1111         if (fadermode != ModePlugins || _proc_params.size() == 0) {
1112                 return;
1113         }
1114         _show_presets = ! _show_presets;
1115         assign_processor_ctrls ();
1116 }
1117
1118 void
1119 FaderPort8::preset_changed ()
1120 {
1121         if (_show_presets) {
1122                 assign_processor_ctrls ();
1123         }
1124 }
1125
1126 void
1127 FaderPort8::assign_processor_ctrls ()
1128 {
1129         if (_proc_params.size() == 0) {
1130                 _ctrls.set_fader_mode (ModeTrack);
1131                 return;
1132         }
1133         set_periodic_display_mode (FP8Strip::PluginParam);
1134
1135         if (_show_presets) {
1136                 if (assign_plugin_presets (_plugin_insert.lock ())) {
1137                         return;
1138                 }
1139                 _show_presets = false;
1140         }
1141
1142         std::vector <ProcessorCtrl*> toggle_params;
1143         std::vector <ProcessorCtrl*> slider_params;
1144
1145         for ( std::list <ProcessorCtrl>::iterator i = _proc_params.begin(); i != _proc_params.end(); ++i) {
1146                 if ((*i).ac->toggled()) {
1147                         toggle_params.push_back (&(*i));
1148                 } else {
1149                         slider_params.push_back (&(*i));
1150                 }
1151         }
1152
1153         int n_parameters = std::max (toggle_params.size(), slider_params.size());
1154
1155         _parameter_off = std::min (_parameter_off, n_parameters - N_STRIPS);
1156         _parameter_off = std::max (0, _parameter_off);
1157
1158         uint8_t id = 0;
1159         for (size_t i = _parameter_off; i < (size_t)n_parameters; ++i) {
1160                 if (i >= toggle_params.size ()) {
1161                         _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_FADER & ~FP8Strip::CTRL_TEXT01 & ~FP8Strip::CTRL_TEXT2);
1162                 }
1163                 else if (i >= slider_params.size ()) {
1164                         _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_SELECT & ~FP8Strip::CTRL_TEXT3);
1165                 } else {
1166                         _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_FADER & ~FP8Strip::CTRL_TEXT & ~FP8Strip::CTRL_SELECT);
1167                 }
1168
1169                 if (i < slider_params.size ()) {
1170                         _ctrls.strip(id).set_fader_controllable (slider_params[i]->ac);
1171                         std::string param_name = slider_params[i]->name;
1172                         _ctrls.strip(id).set_text_line (0, param_name.substr (0, 9));
1173                         _ctrls.strip(id).set_text_line (1, param_name.length () > 9 ? param_name.substr (9) : "");
1174                 }
1175                 if (i < toggle_params.size ()) {
1176                         _ctrls.strip(id).set_select_controllable (toggle_params[i]->ac);
1177                         _ctrls.strip(id).set_text_line (3, toggle_params[i]->name, true);
1178                 }
1179                 if (++id == N_STRIPS) {
1180                         break;
1181                 }
1182         }
1183
1184         // clear remaining
1185         for (; id < N_STRIPS; ++id) {
1186                 _ctrls.strip(id).unset_controllables ();
1187         }
1188 }
1189
1190 bool
1191 FaderPort8::assign_plugin_presets (boost::shared_ptr<PluginInsert> pi)
1192 {
1193         if (!pi) {
1194                 return false;
1195         }
1196         boost::shared_ptr<ARDOUR::Plugin> plugin = pi->plugin ();
1197
1198         std::vector<ARDOUR::Plugin::PresetRecord> presets = plugin->get_presets ();
1199         if (presets.size () == 0) {
1200                 return false;
1201         }
1202
1203         int n_parameters = presets.size ();
1204
1205         _parameter_off = std::min (_parameter_off, n_parameters - (N_STRIPS - 1));
1206         _parameter_off = std::max (0, _parameter_off);
1207         Plugin::PresetRecord active = plugin->last_preset ();
1208
1209         uint8_t id = 0;
1210         for (size_t i = _parameter_off; i < (size_t)n_parameters; ++i) {
1211                 _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_TEXT01 & ~FP8Strip::CTRL_TEXT3 & ~FP8Strip::CTRL_SELECT);
1212                  boost::function<void ()> cb (boost::bind (&FaderPort8::select_plugin_preset, this, i));
1213                 _ctrls.strip(id).set_select_cb (cb);
1214                 _ctrls.strip(id).select_button ().set_active (true);
1215                 if (active != presets.at(i)) {
1216                         _ctrls.strip(id).select_button ().set_color (0x0000ffff);
1217                         _ctrls.strip(id).select_button ().set_blinking (false);
1218                 } else {
1219                         _ctrls.strip(id).select_button ().set_color (0x00ffffff);
1220                         _ctrls.strip(id).select_button ().set_blinking (plugin->parameter_changed_since_last_preset ());
1221                 }
1222                 std::string label = presets.at(i).label;
1223                 _ctrls.strip(id).set_text_line (0, label.substr (0, 9));
1224                 _ctrls.strip(id).set_text_line (1, label.length () > 9 ? label.substr (9) : "");
1225                 _ctrls.strip(id).set_text_line (3, "PRESET", true);
1226                 if (++id == (N_STRIPS - 1)) {
1227                         break;
1228                 }
1229         }
1230
1231         // clear remaining
1232         for (; id < (N_STRIPS - 1); ++id) {
1233                 _ctrls.strip(id).unset_controllables ();
1234         }
1235
1236         // pin clear-preset to the last slot
1237         assert (id == (N_STRIPS - 1));
1238         _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_TEXT0 & ~FP8Strip::CTRL_TEXT3 & ~FP8Strip::CTRL_SELECT);
1239          boost::function<void ()> cb (boost::bind (&FaderPort8::select_plugin_preset, this, SIZE_MAX));
1240         _ctrls.strip(id).set_select_cb (cb);
1241         _ctrls.strip(id).select_button ().set_blinking (false);
1242         _ctrls.strip(id).select_button ().set_color (active.uri.empty() ? 0x00ffffff : 0x0000ffff);
1243         _ctrls.strip(id).select_button ().set_active (true);
1244         _ctrls.strip(id).set_text_line (0, _("(none)"));
1245         _ctrls.strip(id).set_text_line (3, "PRESET", true);
1246         return true;
1247 }
1248
1249 void
1250 FaderPort8::build_well_known_processor_ctrls (boost::shared_ptr<Stripable> s, bool eq)
1251 {
1252 #define PUSH_BACK_NON_NULL(N, C) do {if (C) { _proc_params.push_back (ProcessorCtrl (N, C)); }} while (0)
1253
1254         _proc_params.clear ();
1255         if (eq) {
1256                 int cnt = s->eq_band_cnt();
1257
1258 #ifdef MIXBUS32C
1259                 PUSH_BACK_NON_NULL ("Flt In", s->filter_enable_controllable (true)); // both HP/LP
1260                 PUSH_BACK_NON_NULL ("HP Freq", s->filter_freq_controllable (true));
1261                 PUSH_BACK_NON_NULL ("LP Freq", s->filter_freq_controllable (false));
1262                 PUSH_BACK_NON_NULL ("EQ In", s->eq_enable_controllable ());
1263 #elif defined (MIXBUS)
1264                 PUSH_BACK_NON_NULL ("EQ In", s->eq_enable_controllable ());
1265                 PUSH_BACK_NON_NULL ("HP Freq", s->filter_freq_controllable (true));
1266 #endif
1267
1268                 for (int band = 0; band < cnt; ++band) {
1269                         std::string bn = s->eq_band_name (band);
1270                         PUSH_BACK_NON_NULL (string_compose ("Gain %1", bn), s->eq_gain_controllable (band));
1271                         PUSH_BACK_NON_NULL (string_compose ("Freq %1", bn), s->eq_freq_controllable (band));
1272                         PUSH_BACK_NON_NULL (string_compose ("Band %1", bn), s->eq_q_controllable (band));
1273                         PUSH_BACK_NON_NULL (string_compose ("Shape %1", bn), s->eq_shape_controllable (band));
1274                 }
1275         } else {
1276                 PUSH_BACK_NON_NULL ("Comp In", s->comp_enable_controllable ());
1277                 PUSH_BACK_NON_NULL ("Threshold", s->comp_threshold_controllable ());
1278                 PUSH_BACK_NON_NULL ("Speed", s->comp_speed_controllable ());
1279                 PUSH_BACK_NON_NULL ("Mode", s->comp_mode_controllable ());
1280         }
1281 }
1282
1283 void
1284 FaderPort8::select_plugin (int num)
1285 {
1286         // make sure drop_ctrl_connections() was called
1287         assert (_proc_params.size() == 0 && _showing_well_known == 0 && _plugin_insert.expired());
1288
1289         boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route> (first_selected_stripable());
1290         if (!r) {
1291                 _ctrls.set_fader_mode (ModeTrack);
1292                 return;
1293         }
1294
1295         // Toggle Bypass
1296         if (shift_mod ()) {
1297                 if (num >= 0) {
1298                         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (r->nth_plugin (num));
1299 #ifdef MIXBUS
1300                         if (pi && !pi->is_channelstrip () && pi->display_to_user ())
1301 #else
1302                         if (pi && pi->display_to_user ())
1303 #endif
1304                         {
1305                                 pi->enable (! pi->enabled ());
1306                         }
1307                 }
1308                 return;
1309         }
1310
1311         if (num < 0) {
1312                 build_well_known_processor_ctrls (r, num == -1);
1313                 assign_processor_ctrls ();
1314                 _showing_well_known = num;
1315                 return;
1316         }
1317         _showing_well_known = 0;
1318
1319         boost::shared_ptr<Processor> proc = r->nth_plugin (num);
1320         if (!proc) {
1321                 _ctrls.set_fader_mode (ModeTrack);
1322                 return;
1323         }
1324
1325         // disconnect signals from spill_plugins: processors_changed and ActiveChanged
1326         processor_connections.drop_connections ();
1327         r->DropReferences.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FP8Controls::set_fader_mode, &_ctrls, ModeTrack), this);
1328
1329         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
1330         assert (pi); // nth_plugin() always returns a PI.
1331         /* _plugin_insert is used for Bypass/Enable & presets */
1332 #ifdef MIXBUS
1333         if (!pi->is_channelstrip () && pi->display_to_user ())
1334 #else
1335         if (pi->display_to_user ())
1336 #endif
1337         {
1338                 _plugin_insert = boost::weak_ptr<ARDOUR::PluginInsert> (pi);
1339                 pi->ActiveChanged.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_plugin_active_changed, this), this);
1340                 boost::shared_ptr<ARDOUR::Plugin> plugin = pi->plugin ();
1341
1342                 plugin->PresetAdded.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::preset_changed, this), this);
1343                 plugin->PresetRemoved.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::preset_changed, this), this);
1344                 plugin->PresetLoaded.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::preset_changed, this), this);
1345                 plugin->PresetDirty.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::preset_changed, this), this);
1346
1347                 if (_auto_pluginui) {
1348                         pi->ShowUI (); /* EMIT SIGNAL */
1349                 }
1350         }
1351
1352         // switching to "Mode Track" -> calls FaderPort8::notify_fader_mode_changed()
1353         // which drops the references, disconnects the signal and re-spills tracks
1354         proc->DropReferences.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FP8Controls::set_fader_mode, &_ctrls, ModeTrack), this);
1355
1356         // build params
1357         _proc_params.clear();
1358         set<Evoral::Parameter> p = proc->what_can_be_automated ();
1359         for (set<Evoral::Parameter>::iterator i = p.begin(); i != p.end(); ++i) {
1360                 std::string n = proc->describe_parameter (*i);
1361                 if (n == "hidden") {
1362                         continue;
1363                 }
1364                 _proc_params.push_back (ProcessorCtrl (n, proc->automation_control (*i)));
1365         }
1366
1367         // TODO: open plugin GUI  if (_proc_params.size() > 0)
1368
1369         // display
1370         assign_processor_ctrls ();
1371         notify_plugin_active_changed ();
1372 }
1373
1374 void
1375 FaderPort8::select_plugin_preset (size_t num)
1376 {
1377         assert (_proc_params.size() > 0);
1378         boost::shared_ptr<PluginInsert> pi = _plugin_insert.lock();
1379         if (!pi) {
1380                 _ctrls.set_fader_mode (ModeTrack);
1381                 return;
1382         }
1383         if (num == SIZE_MAX) {
1384                 pi->plugin ()->clear_preset ();
1385         } else {
1386                 std::vector<ARDOUR::Plugin::PresetRecord> presets = pi->plugin ()->get_presets ();
1387                 if (num < presets.size ()) {
1388                         pi->load_preset (presets.at (num));
1389                 }
1390         }
1391         _show_presets = false;
1392         assign_processor_ctrls ();
1393 }
1394
1395 /* short 4 chars at most */
1396 static std::string plugintype (ARDOUR::PluginType t) {
1397         switch (t) {
1398                 case AudioUnit:
1399                         return "AU";
1400                 case LADSPA:
1401                         return "LV1";
1402                 case LV2:
1403                         return "LV2";
1404                 case Windows_VST:
1405                 case LXVST:
1406                 case MacVST:
1407                         return "VST";
1408                 case Lua:
1409                         return "Lua";
1410                 default:
1411                         break;
1412         }
1413         return enum_2_string (t);
1414 }
1415
1416 void
1417 FaderPort8::spill_plugins ()
1418 {
1419         boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route> (first_selected_stripable());
1420         if (!r) {
1421                 _ctrls.set_fader_mode (ModeTrack);
1422                 return;
1423         }
1424
1425         drop_ctrl_connections ();
1426
1427         // switching to "Mode Track" -> calls FaderPort8::notify_fader_mode_changed()
1428         // which drops the references, disconnects the signal and re-spills tracks
1429         r->DropReferences.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FP8Controls::set_fader_mode, &_ctrls, ModeTrack), this);
1430
1431         // update when processor change
1432         r->processors_changed.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::spill_plugins, this), this);
1433
1434         // count available
1435         boost::shared_ptr<Processor> proc;
1436
1437         std::vector<uint32_t> procs;
1438
1439         for (uint32_t i = 0; 0 != (proc = r->nth_plugin (i)); ++i) {
1440                 if (!proc->display_to_user ()) {
1441 #ifdef MIXBUS
1442                         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
1443                         if (pi->is_channelstrip ()) // don't skip MB PRE
1444 #endif
1445                         continue;
1446                 }
1447                 int n_controls = 0;
1448                 set<Evoral::Parameter> p = proc->what_can_be_automated ();
1449                 for (set<Evoral::Parameter>::iterator j = p.begin(); j != p.end(); ++j) {
1450                         std::string n = proc->describe_parameter (*j);
1451                         if (n == "hidden") {
1452                                 continue;
1453                         }
1454                         ++n_controls;
1455                 }
1456                 if (n_controls > 0) {
1457                         procs.push_back (i);
1458                 }
1459         }
1460
1461         int n_plugins = procs.size();
1462         int spillwidth = N_STRIPS;
1463         bool have_well_known_eq = false;
1464         bool have_well_known_comp = false;
1465
1466         // reserve last slot(s) for "well-known"
1467         if (r->eq_band_cnt() > 0) {
1468                 --spillwidth;
1469                 have_well_known_eq = true;
1470         }
1471         if (r->comp_enable_controllable ()) {
1472                 --spillwidth;
1473                 have_well_known_comp = true;
1474         }
1475
1476         if (n_plugins == 0 && !have_well_known_eq && !have_well_known_comp) {
1477                 _ctrls.set_fader_mode (ModeTrack);
1478                 return;
1479         }
1480
1481         set_periodic_display_mode (FP8Strip::PluginSelect);
1482
1483         _plugin_off = std::min (_plugin_off, n_plugins - spillwidth);
1484         _plugin_off = std::max (0, _plugin_off);
1485
1486         uint8_t id = 0;
1487         for (uint32_t i = _plugin_off; ; ++i) {
1488                 if (i >= procs.size()) {
1489                         break;
1490                 }
1491                 boost::shared_ptr<Processor> proc = r->nth_plugin (procs[i]);
1492                 if (!proc) {
1493                         break;
1494                 }
1495                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
1496                 boost::function<void ()> cb (boost::bind (&FaderPort8::select_plugin, this, procs[i]));
1497
1498                 _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_TEXT & ~FP8Strip::CTRL_SELECT);
1499                 _ctrls.strip(id).set_select_cb (cb);
1500                 _ctrls.strip(id).select_button ().set_color (proc->enabled () ? 0x00ff00ff : 0xff0000ff);
1501                 _ctrls.strip(id).select_button ().set_active (true);
1502                 _ctrls.strip(id).select_button ().set_blinking (false);
1503                 _ctrls.strip(id).set_text_line (0, proc->name());
1504                 _ctrls.strip(id).set_text_line (1, pi->plugin()->maker());
1505                 _ctrls.strip(id).set_text_line (2, plugintype (pi->type()));
1506                 _ctrls.strip(id).set_text_line (3, "");
1507
1508                 pi->ActiveChanged.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::spill_plugins, this), this);
1509
1510                 if (++id == spillwidth) {
1511                         break;
1512                 }
1513         }
1514         // clear remaining
1515         for (; id < spillwidth; ++id) {
1516                 _ctrls.strip(id).unset_controllables ();
1517         }
1518
1519         if (have_well_known_comp) {
1520                         assert (id < N_STRIPS);
1521                  boost::function<void ()> cb (boost::bind (&FaderPort8::select_plugin, this, -2));
1522                  _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_TEXT & ~FP8Strip::CTRL_SELECT);
1523                  _ctrls.strip(id).set_select_cb (cb);
1524                  _ctrls.strip(id).select_button ().set_color (0xffff00ff);
1525                  _ctrls.strip(id).select_button ().set_active (true);
1526                  _ctrls.strip(id).select_button ().set_blinking (false);
1527                  _ctrls.strip(id).set_text_line (0, "Comp");
1528                  _ctrls.strip(id).set_text_line (1, "Built-In");
1529                  _ctrls.strip(id).set_text_line (2, "--");
1530                  _ctrls.strip(id).set_text_line (3, "");
1531                  ++id;
1532         }
1533         if (have_well_known_eq) {
1534                         assert (id < N_STRIPS);
1535                  boost::function<void ()> cb (boost::bind (&FaderPort8::select_plugin, this, -1));
1536                  _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_TEXT & ~FP8Strip::CTRL_SELECT);
1537                  _ctrls.strip(id).set_select_cb (cb);
1538                  _ctrls.strip(id).select_button ().set_color (0xffff00ff);
1539                  _ctrls.strip(id).select_button ().set_active (true);
1540                  _ctrls.strip(id).select_button ().set_blinking (false);
1541                  _ctrls.strip(id).set_text_line (0, "EQ");
1542                  _ctrls.strip(id).set_text_line (1, "Built-In");
1543                  _ctrls.strip(id).set_text_line (2, "--");
1544                  _ctrls.strip(id).set_text_line (3, "");
1545                  ++id;
1546         }
1547         assert (id == N_STRIPS);
1548 }
1549
1550 /* ****************************************************************************
1551  * Aux Sends and Mixbus assigns
1552  */
1553
1554 void
1555 FaderPort8::assign_sends ()
1556 {
1557         boost::shared_ptr<Stripable> s = first_selected_stripable();
1558         if (!s) {
1559                 _ctrls.set_fader_mode (ModeTrack);
1560                 return;
1561         }
1562
1563         int n_sends = 0;
1564         while (0 != s->send_level_controllable (n_sends)) {
1565                 ++n_sends;
1566         }
1567         if (n_sends == 0) {
1568                 _ctrls.set_fader_mode (ModeTrack);
1569                 return;
1570         }
1571
1572         drop_ctrl_connections ();
1573         s->DropReferences.connect (processor_connections, MISSING_INVALIDATOR, boost::bind (&FP8Controls::set_fader_mode, &_ctrls, ModeTrack), this);
1574
1575         set_periodic_display_mode (FP8Strip::SendDisplay);
1576
1577         _plugin_off = std::min (_plugin_off, n_sends - N_STRIPS);
1578         _plugin_off = std::max (0, _plugin_off);
1579
1580         uint8_t id = 0;
1581         int skip = _parameter_off;
1582         for (uint32_t i = _plugin_off; ; ++i) {
1583                 if (skip > 0) {
1584                         --skip;
1585                         continue;
1586                 }
1587                 boost::shared_ptr<AutomationControl> send = s->send_level_controllable (i);
1588                 if (!send) {
1589                         break;
1590                 }
1591
1592                 _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_FADER & ~FP8Strip::CTRL_TEXT01 & ~FP8Strip::CTRL_TEXT3 & ~FP8Strip::CTRL_SELECT);
1593                 _ctrls.strip(id).set_fader_controllable (send);
1594                 _ctrls.strip(id).set_text_line (0, s->send_name (i));
1595                 _ctrls.strip(id).set_mute_controllable (s->send_enable_controllable (i));
1596
1597                 if (++id == N_STRIPS) {
1598                         break;
1599                 }
1600         }
1601         // clear remaining
1602         for (; id < N_STRIPS; ++id) {
1603                 _ctrls.strip(id).unset_controllables (FP8Strip::CTRL_ALL & ~FP8Strip::CTRL_TEXT3 & ~FP8Strip::CTRL_SELECT);
1604         }
1605 #ifdef MIXBUS // master-assign on last solo
1606         _ctrls.strip(N_STRIPS - 1).set_solo_controllable (s->master_send_enable_controllable ());
1607 #endif
1608         /* set select buttons */
1609         assigned_stripable_connections.drop_connections ();
1610         _assigned_strips.clear ();
1611         assign_stripables (true);
1612 }
1613
1614 /* ****************************************************************************
1615  * Main stripable assignment (dispatch depending on mode)
1616  */
1617
1618 void
1619 FaderPort8::assign_strips ()
1620 {
1621         assigned_stripable_connections.drop_connections ();
1622         _assigned_strips.clear ();
1623
1624         FaderMode fadermode = _ctrls.fader_mode ();
1625         switch (fadermode) {
1626                 case ModeTrack:
1627                 case ModePan:
1628                         assign_stripables ();
1629                         stripable_selection_changed (); // update selection, automation-state
1630                         break;
1631                 case ModePlugins:
1632                         if (_proc_params.size() > 0) {
1633                                 assign_processor_ctrls ();
1634                         } else {
1635                                 spill_plugins ();
1636                         }
1637                         break;
1638                 case ModeSend:
1639                         assign_sends ();
1640                         break;
1641         }
1642 }
1643
1644 /* ****************************************************************************
1645  * some helper functions
1646  */
1647
1648 void
1649 FaderPort8::set_periodic_display_mode (FP8Strip::DisplayMode m)
1650 {
1651         for (uint8_t id = 0; id < N_STRIPS; ++id) {
1652                 _ctrls.strip(id).set_periodic_display_mode (m);
1653         }
1654 }
1655
1656 void
1657 FaderPort8::drop_ctrl_connections ()
1658 {
1659         _proc_params.clear();
1660         if (_auto_pluginui) {
1661                 boost::shared_ptr<PluginInsert> pi = _plugin_insert.lock ();
1662                 if (pi) {
1663                         pi->HideUI (); /* EMIT SIGNAL */
1664                 }
1665         }
1666         _plugin_insert.reset ();
1667         _show_presets = false;
1668         processor_connections.drop_connections ();
1669         _showing_well_known = 0;
1670         notify_plugin_active_changed ();
1671 }
1672
1673 /* functor for FP8Strip's select button */
1674 void
1675 FaderPort8::select_strip (boost::weak_ptr<Stripable> ws)
1676 {
1677         boost::shared_ptr<Stripable> s = ws.lock();
1678         if (!s) {
1679                 return;
1680         }
1681 #if 1 /* single exclusive selection by default, toggle via shift */
1682
1683 # if 1 /* selecting a selected strip -> move fader to unity */
1684         if (s == first_selected_stripable () && !shift_mod ()) {
1685                 if (_ctrls.fader_mode () == ModeTrack) {
1686                         boost::shared_ptr<AutomationControl> ac = s->gain_control ();
1687                         ac->start_touch (ac->session().transport_sample());
1688                         ac->set_value (ac->normal (), PBD::Controllable::UseGroup);
1689                 }
1690                 return;
1691         }
1692 # endif
1693
1694         if (shift_mod ()) {
1695                 ToggleStripableSelection (s);
1696         } else {
1697                 SetStripableSelection (s);
1698         }
1699 #else
1700         /* tri-state selection: This allows to set the "first selected"
1701          * with a single click without clearing the selection.
1702          * Single de/select via shift.
1703          */
1704         if (shift_mod ()) {
1705                 if (s->is_selected ()) {
1706                         RemoveStripableFromSelection (s);
1707                 } else {
1708                         SetStripableSelection (s);
1709                 }
1710                 return;
1711         }
1712         if (s->is_selected () && s != first_selected_stripable ()) {
1713                 set_first_selected_stripable (s);
1714                 stripable_selection_changed ();
1715         } else {
1716                 ToggleStripableSelection (s);
1717         }
1718 #endif
1719 }
1720
1721 /* ****************************************************************************
1722  * Assigned Stripable Callbacks
1723  */
1724
1725 void
1726 FaderPort8::notify_fader_mode_changed ()
1727 {
1728         FaderMode fadermode = _ctrls.fader_mode ();
1729
1730         boost::shared_ptr<Stripable> s = first_selected_stripable();
1731         if (!s && (fadermode == ModePlugins || fadermode == ModeSend)) {
1732                 _ctrls.set_fader_mode (ModeTrack);
1733                 return;
1734         }
1735
1736         drop_ctrl_connections ();
1737
1738         switch (fadermode) {
1739                 case ModeTrack:
1740                 case ModePan:
1741                         break;
1742                 case ModePlugins:
1743                 case ModeSend:
1744                         _plugin_off = 0;
1745                         _parameter_off = 0;
1746                         stop_link ();
1747                         // force unset rec-arm button, see also FaderPort8::button_arm
1748                         _ctrls.button (FP8Controls::BtnArm).set_active (false);
1749                         ARMButtonChange (false);
1750                         break;
1751         }
1752         assign_strips ();
1753         notify_automation_mode_changed ();
1754 }
1755
1756 void
1757 FaderPort8::notify_stripable_added_or_removed ()
1758 {
1759         /* called by
1760          *  - DropReferences
1761          *  - session->RouteAdded
1762          *  - PresentationInfo::Change
1763          *    - Properties::hidden
1764          *    - Properties::order
1765          */
1766         assign_strips ();
1767 }
1768
1769 /* called from static PresentationInfo::Change */
1770 void
1771 FaderPort8::notify_pi_property_changed (const PropertyChange& what_changed)
1772 {
1773         if (what_changed.contains (Properties::hidden)) {
1774                 notify_stripable_added_or_removed ();
1775         }
1776         if (what_changed.contains (Properties::order)) {
1777                 notify_stripable_added_or_removed ();
1778         }
1779         // Properties::selected is handled via StripableSelectionChanged
1780 }
1781
1782 void
1783 FaderPort8::notify_stripable_property_changed (boost::weak_ptr<Stripable> ws, const PropertyChange& what_changed)
1784 {
1785         boost::shared_ptr<Stripable> s = ws.lock();
1786         if (!s) {
1787                 assert (0); // this should not happen
1788                 return;
1789         }
1790         if (_assigned_strips.find (s) == _assigned_strips.end()) {
1791                 /* it can happen that signal emission is delayed.
1792                  * A signal may already be in the queue but the
1793                  * _assigned_strips has meanwhile changed.
1794                  *
1795                  * before _assigned_strips changes, the connections are dropped
1796                  * but that does not seem to invalidate pending requests :(
1797                  *
1798                  * Seen when creating a new MB session and Mixbusses are added
1799                  * incrementally.
1800                  */
1801                 return;
1802         }
1803         uint8_t id = _assigned_strips[s];
1804
1805         if (what_changed.contains (Properties::color)) {
1806                 _ctrls.strip(id).select_button ().set_color (s->presentation_info ().color());
1807         }
1808
1809         if (what_changed.contains (Properties::name)) {
1810                 switch (_ctrls.fader_mode ()) {
1811                         case ModeSend:
1812                                 _ctrls.strip(id).set_text_line (3, s->name(), true);
1813                                 break;
1814                         case ModeTrack:
1815                         case ModePan:
1816                                 _ctrls.strip(id).set_text_line (0, s->name());
1817                                 break;
1818                         case ModePlugins:
1819                                 assert (0);
1820                                 break;
1821                 }
1822         }
1823 }
1824
1825 void
1826 FaderPort8::stripable_selection_changed ()
1827 {
1828         if (!_device_active) {
1829                 /* this can be called anytime from the static
1830                  * ControlProtocol::StripableSelectionChanged
1831                  */
1832                 return;
1833         }
1834         automation_state_connections.drop_connections();
1835
1836         switch (_ctrls.fader_mode ()) {
1837                 case ModePlugins:
1838                         if (_proc_params.size () > 0 && _showing_well_known < 0) {
1839                                 /* w/well-known -> re-assign to new strip */
1840                                 int wk = _showing_well_known;
1841                                 drop_ctrl_connections ();
1842                                 select_plugin (wk);
1843                         }
1844                         return;
1845                 case ModeSend:
1846                         _plugin_off = 0;
1847                         assign_sends ();
1848                         return;
1849                 case ModeTrack:
1850                 case ModePan:
1851                         break;
1852         }
1853
1854         /* update selection lights */
1855         for (StripAssignmentMap::const_iterator i = _assigned_strips.begin(); i != _assigned_strips.end(); ++i) {
1856                 boost::shared_ptr<ARDOUR::Stripable> s = i->first;
1857                 uint8_t id = i->second;
1858                 bool sel = s->is_selected ();
1859                 _ctrls.strip(id).select_button ().set_active (sel);
1860                 _ctrls.strip(id).select_button ().set_blinking (sel && s == first_selected_stripable ());
1861         }
1862
1863         /* track automation-mode of primary selection */
1864         boost::shared_ptr<Stripable> s = first_selected_stripable();
1865         if (s) {
1866                 boost::shared_ptr<AutomationControl> ac;
1867                 ac = s->gain_control();
1868                 if (ac && ac->alist()) {
1869                         ac->alist()->automation_state_changed.connect (automation_state_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_automation_mode_changed, this), this);
1870                 }
1871                 ac = s->pan_azimuth_control();
1872                 if (ac && ac->alist()) {
1873                         ac->alist()->automation_state_changed.connect (automation_state_connections, MISSING_INVALIDATOR, boost::bind (&FaderPort8::notify_automation_mode_changed, this), this);
1874                 }
1875         }
1876         /* set lights */
1877         notify_automation_mode_changed ();
1878 }
1879
1880
1881 /* ****************************************************************************
1882  * Banking
1883  */
1884
1885 void
1886 FaderPort8::move_selected_into_view ()
1887 {
1888         boost::shared_ptr<Stripable> selected = first_selected_stripable ();
1889         if (!selected) {
1890                 return;
1891         }
1892
1893         StripableList strips;
1894         filter_stripables (strips);
1895
1896         StripableList::iterator it = std::find (strips.begin(), strips.end(), selected);
1897         if (it == strips.end()) {
1898                 return;
1899         }
1900         int off = std::distance (strips.begin(), it);
1901
1902         int channel_off = get_channel_off (_ctrls.mix_mode ());
1903         if (channel_off <= off && off < channel_off + N_STRIPS) {
1904                 return;
1905         }
1906
1907         if (channel_off > off) {
1908                 channel_off = off;
1909         } else {
1910                 channel_off = off - (N_STRIPS - 1);
1911         }
1912         set_channel_off (_ctrls.mix_mode (), channel_off);
1913         assign_strips ();
1914 }
1915
1916 void
1917 FaderPort8::select_prev_next (bool next)
1918 {
1919         StripableList strips;
1920         filter_stripables (strips);
1921
1922         boost::shared_ptr<Stripable> selected = first_selected_stripable ();
1923         if (!selected) {
1924                 if (strips.size() > 0) {
1925                         if (next) {
1926                                 SetStripableSelection (strips.front ());
1927                         } else {
1928                                 SetStripableSelection (strips.back ());
1929                         }
1930                 }
1931                 return;
1932         }
1933
1934         bool found = false;
1935         boost::shared_ptr<Stripable> toselect;
1936         for (StripableList::const_iterator s = strips.begin(); s != strips.end(); ++s) {
1937                 if (*s == selected) {
1938                         if (!next) {
1939                                 found = true;
1940                                 break;
1941                         }
1942                         ++s;
1943                         if (s != strips.end()) {
1944                                 toselect = *s;
1945                                 found = true;
1946                         }
1947                         break;
1948                 }
1949                 if (!next) {
1950                         toselect = *s;
1951                 }
1952         }
1953
1954         if (found && toselect) {
1955                 SetStripableSelection (toselect);
1956         }
1957 }
1958
1959 void
1960 FaderPort8::bank (bool down, bool page)
1961 {
1962         int dt = page ? N_STRIPS : 1;
1963         if (down) {
1964                 dt *= -1;
1965         }
1966         set_channel_off (_ctrls.mix_mode (), get_channel_off (_ctrls.mix_mode ()) + dt);
1967         assign_strips ();
1968 }
1969
1970 void
1971 FaderPort8::bank_param (bool down, bool page)
1972 {
1973         int dt = page ? N_STRIPS : 1;
1974         if (down) {
1975                 dt *= -1;
1976         }
1977         switch (_ctrls.fader_mode ()) {
1978                 case ModePlugins:
1979                         if (_proc_params.size() > 0) {
1980                                 _parameter_off += dt;
1981                                 assign_processor_ctrls ();
1982                         } else {
1983                                 _plugin_off += dt;
1984                                 spill_plugins ();
1985                         }
1986                         break;
1987                 case ModeSend:
1988                         _plugin_off += dt;
1989                         assign_sends ();
1990                         break;
1991                 default:
1992                         break;
1993         }
1994 }