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livetrax/libs/surfaces/launchpad_x/lpx.cc
Paul Davis e0f543d8fb launchpad X: buttton/pad cleanup from the pro code 
Edge button lighting is still not functional
2023-10-23 23:20:00 -06:00

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/*
* Copyright (C) 2016-2018 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2017-2018 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <algorithm>
#include <bitset>
#include <cmath>
#include <limits>
#include <regex>
#include <stdlib.h>
#include <pthread.h>
#include "pbd/compose.h"
#include "pbd/convert.h"
#include "pbd/debug.h"
#include "pbd/failed_constructor.h"
#include "pbd/file_utils.h"
#include "pbd/search_path.h"
#include "pbd/enumwriter.h"
#include "midi++/parser.h"
#include "temporal/time.h"
#include "temporal/bbt_time.h"
#include "ardour/amp.h"
#include "ardour/async_midi_port.h"
#include "ardour/audioengine.h"
#include "ardour/debug.h"
#include "ardour/midiport_manager.h"
#include "ardour/midi_track.h"
#include "ardour/midi_port.h"
#include "ardour/selection.h"
#include "ardour/session.h"
#include "ardour/tempo.h"
#include "ardour/triggerbox.h"
#include "ardour/types_convert.h"
#include "ardour/utils.h"
#include "gtkmm2ext/gui_thread.h"
#include "gtkmm2ext/rgb_macros.h"
#include "gtkmm2ext/colors.h"
#include "gui.h"
#include "lpx.h"
#include "pbd/i18n.h"
#ifdef PLATFORM_WINDOWS
#define random() rand()
#endif
using namespace ARDOUR;
using namespace PBD;
using namespace Glib;
using namespace ArdourSurface;
using namespace Gtkmm2ext;
#include "pbd/abstract_ui.cc" // instantiate template
#define NOVATION 0x1235
#define LAUNCHPADX 0x0103
static const std::vector<MIDI::byte> sysex_header ({ 0xf0, 0x00, 0x20, 0x29, 0x2, 0xc });
const LaunchPadX::Layout LaunchPadX::AllLayouts[] = {
SessionLayout, Fader, ChordLayout, CustomLayout, NoteLayout, Scale, SequencerSettings,
SequencerSteps, SequencerVelocity, SequencerPatternSettings, SequencerProbability, SequencerMutation,
SequencerMicroStep, SequencerProjects, SequencerPatterns, SequencerTempo, SequencerSwing, ProgrammerLayout, Settings, CustomSettings
};
bool
LaunchPadX::available ()
{
/* no preconditions other than the device being present */
return true;
}
bool
LaunchPadX::match_usb (uint16_t vendor, uint16_t device)
{
return vendor == NOVATION && device == LAUNCHPADX;
}
bool
LaunchPadX::probe (std::string& i, std::string& o)
{
vector<string> midi_inputs;
vector<string> midi_outputs;
AudioEngine::instance()->get_ports ("", DataType::MIDI, PortFlags (IsOutput|IsTerminal), midi_inputs);
AudioEngine::instance()->get_ports("", DataType::MIDI, PortFlags(IsInput | IsTerminal), midi_outputs);
if (midi_inputs.empty() || midi_outputs.empty()) {
return false;
}
std::regex rx (X_("Launchpad X.*MIDI"));
auto has_lppro = [&rx](string const &s) {
std::string pn = AudioEngine::instance()->get_hardware_port_name_by_name(s);
return std::regex_search (pn, rx);
};
auto pi = std::find_if (midi_inputs.begin(), midi_inputs.end(), has_lppro);
auto po = std::find_if (midi_outputs.begin (), midi_outputs.end (), has_lppro);
if (pi == midi_inputs.end () || po == midi_outputs.end ()) {
return false;
}
i = *pi;
o = *po;
return true;
}
LaunchPadX::LaunchPadX (ARDOUR::Session& s)
: MIDISurface (s, X_("Novation LaunchPad X"), X_("LaunchPad X"), true)
, logo_color (4)
, scroll_x_offset (0)
, scroll_y_offset (0)
, _daw_out_port (nullptr)
, _gui (nullptr)
, _current_layout (SessionLayout)
, _session_pressed (false)
, _session_mode (SessionMode)
, current_fader_bank (VolumeFaders)
, revert_layout_on_fader_release (false)
, pre_fader_layout (SessionLayout)
{
run_event_loop ();
port_setup ();
std::string pn_in, pn_out;
if (probe (pn_in, pn_out)) {
_async_in->connect (pn_in);
_async_out->connect (pn_out);
}
connect_daw_ports ();
build_color_map ();
build_pad_map ();
Trigger::TriggerPropertyChange.connect (trigger_connections, invalidator (*this), boost::bind (&LaunchPadX::trigger_property_change, this, _1, _2), this);
session->RecordStateChanged.connect (session_connections, invalidator(*this), boost::bind (&LaunchPadX::record_state_changed, this), this);
session->TransportStateChange.connect (session_connections, invalidator(*this), boost::bind (&LaunchPadX::transport_state_changed, this), this);
session->RouteAdded.connect (session_connections, invalidator(*this), boost::bind (&LaunchPadX::viewport_changed, this), this);
}
LaunchPadX::~LaunchPadX ()
{
DEBUG_TRACE (DEBUG::Launchpad, "push2 control surface object being destroyed\n");
trigger_connections.drop_connections ();
route_connections.drop_connections ();
session_connections.drop_connections ();
for (auto & p : pad_map) {
p.second.timeout_connection.disconnect ();
}
stop_event_loop ();
tear_down_gui ();
MIDISurface::drop ();
}
void
LaunchPadX::transport_state_changed ()
{
MIDI::byte msg[3];
msg[0] = 0x90;
if (session->transport_rolling()) {
msg[1] = Play;
msg[2] = 21;
daw_write (msg, 3);
} else {
msg[1] = Play;
msg[2] = 17;
daw_write (msg, 3);
}
}
void
LaunchPadX::record_state_changed ()
{
}
int
LaunchPadX::set_active (bool yn)
{
DEBUG_TRACE (DEBUG::Launchpad, string_compose("Launchpad X::set_active init with yn: %1\n", yn));
if (yn == active()) {
return 0;
}
if (yn) {
if (device_acquire ()) {
return -1;
}
} else {
/* Control Protocol Manager never calls us with false, but
* insteads destroys us.
*/
}
ControlProtocol::set_active (yn);
DEBUG_TRACE (DEBUG::Launchpad, string_compose("Launchpad X::set_active done with yn: '%1'\n", yn));
return 0;
}
void
LaunchPadX::run_event_loop ()
{
DEBUG_TRACE (DEBUG::Launchpad, "start event loop\n");
BaseUI::run ();
}
void
LaunchPadX::stop_event_loop ()
{
DEBUG_TRACE (DEBUG::Launchpad, "stop event loop\n");
BaseUI::quit ();
}
int
LaunchPadX::begin_using_device ()
{
DEBUG_TRACE (DEBUG::Launchpad, "begin using device\n");
connect_to_port_parser (*_daw_in_port);
/* Connect DAW input port to event loop */
AsyncMIDIPort* asp;
asp = dynamic_cast<AsyncMIDIPort*> (_daw_in_port);
asp->xthread().set_receive_handler (sigc::bind (sigc::mem_fun (this, &MIDISurface::midi_input_handler), _daw_in_port));
asp->xthread().attach (main_loop()->get_context());
light_logo ();
set_device_mode (DAW);
setup_faders (VolumeFaders);
setup_faders (PanFaders);
setup_faders (SendFaders);
setup_faders (DeviceFaders);
set_layout (SessionLayout);
/* catch current selection, if any so that we can wire up the pads if appropriate */
stripable_selection_changed ();
viewport_changed ();
return MIDISurface::begin_using_device ();
}
int
LaunchPadX::stop_using_device ()
{
DEBUG_TRACE (DEBUG::Launchpad, "stop using device\n");
if (!_in_use) {
DEBUG_TRACE (DEBUG::Launchpad, "nothing to do, device not in use\n");
return 0;
}
all_pads_out ();
set_device_mode (Standalone);
return MIDISurface::stop_using_device ();
}
XMLNode&
LaunchPadX::get_state() const
{
XMLNode& node (MIDISurface::get_state());
XMLNode* child = new XMLNode (X_("DAWInput"));
child->add_child_nocopy (_daw_in->get_state());
node.add_child_nocopy (*child);
child = new XMLNode (X_("DAWOutput"));
child->add_child_nocopy (_daw_out->get_state());
node.add_child_nocopy (*child);
return node;
}
int
LaunchPadX::set_state (const XMLNode & node, int version)
{
DEBUG_TRACE (DEBUG::Launchpad, string_compose ("LaunchPadX::set_state: active %1\n", active()));
int retval = 0;
if (MIDISurface::set_state (node, version)) {
return -1;
}
return retval;
}
std::string
LaunchPadX::input_port_name () const
{
return X_(":Launchpad X MK3.*MIDI (In|2)");
}
std::string
LaunchPadX::output_port_name () const
{
return X_(":Launchpad X MK3.*MIDI (Out|2)");
}
void
LaunchPadX::relax (Pad & pad)
{
}
void
LaunchPadX::build_pad_map ()
{
#define BUTTON0(id) pad_map.insert (make_pair<int,Pad> ((id), Pad ((id), &LaunchPadX::relax)))
#define BUTTON(id, press) pad_map.insert (make_pair<int,Pad> ((id), Pad ((id), (press))))
#define BUTTON2(id, press, long_press) pad_map.insert (make_pair<int,Pad> ((id), Pad ((id), (press), (long_press))))
#define BUTTON3(id, press, long_press, release) pad_map.insert (make_pair<int,Pad> ((id), Pad ((id), (press), (long_press), (release))))
BUTTON (Down, &LaunchPadX::down_press);
BUTTON (Up, &LaunchPadX::up_press);
BUTTON (Left, &LaunchPadX::left_press);
BUTTON (Right, &LaunchPadX::right_press);
BUTTON3 (Session, &LaunchPadX::session_press, &LaunchPadX::session_long_press, &LaunchPadX::session_release);
BUTTON0 (Custom);
BUTTON (CaptureMIDI, &LaunchPadX::capture_midi_press);
BUTTON (Volume, &LaunchPadX::rh0_press);
BUTTON (Pan, &LaunchPadX::rh1_press);
BUTTON (SendA, &LaunchPadX::rh2_press);
BUTTON (SendB, &LaunchPadX::rh3_press);
BUTTON (StopClip, &LaunchPadX::rh4_press);
BUTTON (Mute, &LaunchPadX::rh5_press);
BUTTON(Solo, &LaunchPadX::rh6_press);
BUTTON (RecordArm, &LaunchPadX::rh7_press);
/* Now add the 8x8 central pad grid */
for (int row = 0; row < 8; ++row) {
for (int col = 0; col < 8; ++col) {
int pid = (11 + (row * 10)) + col;
std::pair<int,Pad> p (pid, Pad (pid, col, 7 - row, &LaunchPadX::pad_press, &LaunchPadX::pad_long_press, &LaunchPadX::relax));
if (!pad_map.insert (p).second) abort();
}
}
}
void
LaunchPadX::all_pads_out ()
{
MIDI::byte msg[3];
msg[0] = 0x90;
msg[2] = 0x0;
for (auto const & p : pad_map) {
msg[1] = p.second.id;
daw_write (msg, 3);
}
/* Finally, the logo */
msg[1] = 0x63;
daw_write (msg, 3);
}
bool
LaunchPadX::light_logo ()
{
MIDI::byte msg[3];
msg[0] = 0x91; /* pulse with tempo/midi clock */
msg[1] = 0x63;
msg[2] = 4 + (random() % 0x3c);
daw_write (msg, 3);
return true;
}
LaunchPadX::Pad*
LaunchPadX::pad_by_id (int pid)
{
PadMap::iterator p = pad_map.find (pid);
if (p == pad_map.end()) {
return nullptr;
}
return &p->second;
}
void
LaunchPadX::light_pad (int pad_id, int color, int mode)
{
MIDI::byte msg[3];
msg[0] = 0x90 | mode;
msg[1] = pad_id;
msg[2] = color;
daw_write (msg, 3);
}
void
LaunchPadX::pad_off (int pad_id)
{
MIDI::byte msg[3];
msg[0] = 0x90;
msg[1] = pad_id;
msg[2] = 0;
daw_write (msg, 3);
}
void
LaunchPadX::all_pads_off ()
{
MidiByteArray msg (sysex_header);
msg.reserve (msg.size() + (106 * 3) + 3);
msg.push_back (0x3);
for (size_t n = 1; n < 32; ++n) {
msg.push_back (0x0);
msg.push_back (n);
msg.push_back (13);
}
msg.push_back (0xf7);
daw_write (msg);
}
void
LaunchPadX::all_pads_on (int color)
{
MidiByteArray msg (sysex_header);
msg.push_back (0xe);
msg.push_back (color & 0x7f);
msg.push_back (0xf7);
daw_write (msg);
#if 0
for (PadMap::iterator p = pad_map.begin(); p != pad_map.end(); ++p) {
Pad& pad (p->second);
pad.set (random() % color_map.size(), Pad::Static);
daw_write (pad.state_msg());
}
#endif
}
void
LaunchPadX::set_layout (Layout l, int page)
{
MidiByteArray msg (sysex_header);
msg.push_back (0x0);
msg.push_back (l);
msg.push_back (page);
msg.push_back (0x0);
msg.push_back (0xf7);
daw_write (msg);
if (l == Fader) {
pre_fader_layout = _current_layout;
current_fader_bank = (FaderBank) page;
}
}
void
LaunchPadX::set_device_mode (DeviceMode m)
{
/* programming manual, pages 14 and 18 */
MidiByteArray standalone_or_daw (sysex_header);
MidiByteArray live_or_programmer (sysex_header);
switch (m) {
case Standalone:
live_or_programmer.push_back (0xe);
live_or_programmer.push_back (0x0);
live_or_programmer.push_back (0xf7);
/* Back to "live" state */
write (live_or_programmer);
g_usleep (100000);
/* disable "daw" mode */
standalone_or_daw.push_back (0x10);
standalone_or_daw.push_back (0x0);
standalone_or_daw.push_back (0xf7);
daw_write (standalone_or_daw);
break;
case DAW:
// live_or_programmer.push_back (0xe);
// live_or_programmer.push_back (0x0);
// live_or_programmer.push_back (0xf7);
/* Back to "live" state */
// daw_write (live_or_programmer);
// g_usleep (100000);
/* Enable DAW mode */
standalone_or_daw.push_back (0x10);
standalone_or_daw.push_back (0x1);
standalone_or_daw.push_back (0xf7);
daw_write (standalone_or_daw);
break;
case Programmer:
live_or_programmer.push_back (0xe);
live_or_programmer.push_back (0x1);
live_or_programmer.push_back (0xf7);
/* enter "programmer" state */
daw_write (live_or_programmer);
break;
}
}
void
LaunchPadX::handle_midi_sysex (MIDI::Parser& parser, MIDI::byte* raw_bytes, size_t sz)
{
MidiByteArray m (sz, raw_bytes);
DEBUG_TRACE (DEBUG::Launchpad, string_compose ("Sysex, %1 bytes parser %2 %s\n", sz, &parser, m));
if (&parser != _daw_in_port->parser()) {
DEBUG_TRACE (DEBUG::Launchpad, "sysex from non-DAW port, ignored\n");
return;
}
if (sz < sysex_header.size() + 1) {
return;
}
const size_t num_layouts = sizeof (AllLayouts) / sizeof (AllLayouts[0]);
raw_bytes += sysex_header.size();
switch (raw_bytes[0]) {
case 0x0: /* layout info */
if (sz < sysex_header.size() + 2) {
return;
}
if (raw_bytes[1] < num_layouts) {
_current_layout = AllLayouts[raw_bytes[1]];
DEBUG_TRACE (DEBUG::Launchpad, string_compose ("new layout: %1\n", _current_layout));
switch (_current_layout) {
case SessionLayout:
display_session_layout ();
map_triggers ();
break;
case Fader:
map_faders ();
break;
default:
break;
}
stripable_selection_changed ();
} else {
std::cerr << "ignore illegal layout index " << (int) raw_bytes[1] << std::endl;
}
break;
default:
break;
}
}
void
LaunchPadX::display_session_layout ()
{
/* This only needs to be done once (in fact, the device even remembers
* it across power-cycling!
*/
MIDI::byte msg[3];
msg[0] = 0x90;
MIDI::byte color = (_session_mode == SessionMode ? 0x27 : 0x9);
std::cerr << "redisplay sessionmode, sm " << _session_mode << std::endl;
msg[1] = Session;
msg[2] = color;
daw_write (msg, 3);
msg[1] = Volume;
msg[2] = color;
daw_write (msg, 3);
msg[1] = Pan;
msg[2] = color;
daw_write (msg, 3);
msg[1] = SendA;
msg[2] = color;
daw_write (msg, 3);
msg[1] = SendB;
msg[2] = color;
daw_write (msg, 3);
msg[1] = StopClip;
msg[2] = color;
daw_write (msg, 3);
msg[1] = Mute;
msg[2] = color;
daw_write (msg, 3);
msg[1] = Solo;
msg[2] = color;
daw_write (msg, 3);
msg[1] = RecordArm;
msg[2] = color;
daw_write (msg, 3);
msg[1] = CaptureMIDI;
msg[2] = 5;
daw_write (msg, 3);
msg[1] = Up;
msg[2] = 46;
daw_write (msg, 3);
msg[1] = Down;
msg[2] = 46;
daw_write (msg, 3);
msg[1] = Left;
msg[2] = 46;
daw_write (msg, 3);
msg[1] = Right;
msg[2] = 46;
daw_write (msg, 3);
}
void
LaunchPadX::handle_midi_controller_message (MIDI::Parser& parser, MIDI::EventTwoBytes* ev)
{
DEBUG_TRACE (DEBUG::Launchpad, string_compose ("CC %1 (value %2)\n", (int) ev->controller_number, (int) ev->value));
if (&parser != _daw_in_port->parser()) {
/* we don't process CC messages from the regular port */
return;
}
if (_current_layout == Fader) {
/* Trap fader move messages and act on them */
if (ev->controller_number >= 0x20 && ev->controller_number < 0x28) {
fader_move (ev->controller_number, ev->value);
return;
}
}
PadMap::iterator p = pad_map.find (ev->controller_number);
if (p == pad_map.end()) {
return;
}
Pad& pad (p->second);
set<int>::iterator c = consumed.find (pad.id);
if (c == consumed.end()) {
if (ev->value) {
maybe_start_press_timeout (pad);
(this->*pad.on_press) (pad);
} else {
pad.timeout_connection.disconnect ();
(this->*pad.on_release) (pad);
}
} else {
consumed.erase (c);
}
}
void
LaunchPadX::handle_midi_note_on_message (MIDI::Parser& parser, MIDI::EventTwoBytes* ev)
{
if (ev->velocity == 0) {
handle_midi_note_off_message (parser, ev);
return;
}
DEBUG_TRACE (DEBUG::Launchpad, string_compose ("Note On %1/0x%3%4%5 (velocity %2)\n", (int) ev->note_number, (int) ev->velocity, std::hex, (int) ev->note_number, std::dec));
if (_current_layout != SessionLayout) {
return;
}
PadMap::iterator p = pad_map.find (ev->note_number);
if (p == pad_map.end()) {
return;
}
Pad& pad (p->second);
maybe_start_press_timeout (pad);
(this->*pad.on_pad_press) (pad, ev->velocity);
}
void
LaunchPadX::handle_midi_note_off_message (MIDI::Parser&, MIDI::EventTwoBytes* ev)
{
DEBUG_TRACE (DEBUG::Launchpad, string_compose ("Note Off %1/0x%3%4%5 (velocity %2)\n", (int) ev->note_number, (int) ev->velocity, std::hex, (int) ev->note_number, std::dec));
if (_current_layout != SessionLayout) {
return;
}
PadMap::iterator p = pad_map.find (ev->note_number);
if (p == pad_map.end()) {
return;
}
Pad& pad (p->second);
set<int>::iterator c = consumed.find (pad.id);
if (c == consumed.end()) {
pad.timeout_connection.disconnect ();
(this->*pad.on_release) (pad);
} else {
/* used for long press */
consumed.erase (c);
}
}
void
LaunchPadX::port_registration_handler ()
{
MIDISurface::port_registration_handler ();
connect_daw_ports ();
}
void
LaunchPadX::connect_daw_ports ()
{
if (!_daw_in || !_daw_out) {
/* ports not registered yet */
std::cerr << "no daw port registered\n";
return;
}
if (_daw_in->connected() && _daw_out->connected()) {
/* don't waste cycles here */
return;
}
std::vector<std::string> midi_inputs;
std::vector<std::string> midi_outputs;
/* get all MIDI Ports */
AudioEngine::instance()->get_ports ("", DataType::MIDI, PortFlags (IsOutput|IsTerminal), midi_inputs);
AudioEngine::instance()->get_ports("", DataType::MIDI, PortFlags(IsInput | IsTerminal), midi_outputs);
if (midi_inputs.empty() || midi_outputs.empty()) {
return;
}
/* Try to find the DAW port, whose pretty name varies on Linux
* depending on the version of ALSA, but is fairly consistent across
* newer ALSA and other platforms.
*/
std::regex rx (X_("Launchpad X.*(DAW|MIDI 1)"), std::regex::extended);
auto is_dawport = [&rx](string const &s) {
std::string pn = AudioEngine::instance()->get_hardware_port_name_by_name(s);
return std::regex_search (pn, rx);
};
auto pi = std::find_if (midi_inputs.begin(), midi_inputs.end(), is_dawport);
auto po = std::find_if (midi_outputs.begin (), midi_outputs.end (), is_dawport);
if (pi == midi_inputs.end() || po == midi_inputs.end()) {
return;
}
if (!_daw_in->connected()) {
AudioEngine::instance()->connect (_daw_in->name(), *pi);
}
if (!_daw_out->connected()) {
AudioEngine::instance()->connect (_daw_out->name(), *po);
}
}
int
LaunchPadX::ports_acquire ()
{
int ret = MIDISurface::ports_acquire ();
if (!ret) {
_daw_in = AudioEngine::instance()->register_input_port (DataType::MIDI, string_compose (X_("%1 daw in"), port_name_prefix), true);
if (_daw_in) {
_daw_in_port = std::dynamic_pointer_cast<AsyncMIDIPort>(_daw_in).get();
_daw_out = AudioEngine::instance()->register_output_port (DataType::MIDI, string_compose (X_("%1 daw out"), port_name_prefix), true);
}
if (_daw_out) {
_daw_out_port = std::dynamic_pointer_cast<AsyncMIDIPort>(_daw_out).get();
return 0;
}
ret = -1;
}
return ret;
}
void
LaunchPadX::ports_release ()
{
/* wait for button data to be flushed */
MIDI::Port* daw_port = std::dynamic_pointer_cast<AsyncMIDIPort>(_daw_out).get();
AsyncMIDIPort* asp;
asp = dynamic_cast<AsyncMIDIPort*> (daw_port);
asp->drain (10000, 500000);
{
Glib::Threads::Mutex::Lock em (AudioEngine::instance()->process_lock());
AudioEngine::instance()->unregister_port (_daw_in);
AudioEngine::instance()->unregister_port (_daw_out);
}
_daw_in.reset ((ARDOUR::Port*) 0);
_daw_out.reset ((ARDOUR::Port*) 0);
MIDISurface::ports_release ();
}
void
LaunchPadX::daw_write (const MidiByteArray& data)
{
DEBUG_TRACE (DEBUG::Launchpad, string_compose ("daw write %1 %2\n", data.size(), data));
_daw_out_port->write (&data[0], data.size(), 0);
}
void
LaunchPadX::daw_write (MIDI::byte const * data, size_t size)
{
#ifndef NDEBUG
std::stringstream str;
if (DEBUG_ENABLED(DEBUG::Launchpad)) {
str << hex;
for (size_t n = 0; n < size; ++n) {
str << (int) data[n] << ' ';
}
}
#endif
DEBUG_TRACE (DEBUG::Launchpad, string_compose ("daw write %1 [%2]\n", size, str.str()));
_daw_out_port->write (data, size, 0);
}
void
LaunchPadX::scroll_text (std::string const & txt, int color, bool loop, float speed)
{
MidiByteArray msg (sysex_header);
msg.push_back (0x32);
msg.push_back (color);
msg.push_back (loop ? 1: 0);
for (std::string::size_type i = 0; i < txt.size(); ++i) {
msg.push_back (txt[i] & 0xf7);
}
msg.push_back (0xf7);
daw_write (msg);
if (speed != 0.f) {
msg[sysex_header.size() + 3] = (MIDI::byte) (floor (1.f + (speed * 6.f)));
msg[sysex_header.size() + 4] = 0xf7;
msg.resize (sysex_header.size() + 5);
daw_write (msg);
}
}
LaunchPadX::StripableSlot
LaunchPadX::get_stripable_slot (int x, int y) const
{
x += scroll_x_offset;
y += scroll_y_offset;
if ((StripableSlotColumn::size_type) x > stripable_slots.size()) {
return StripableSlot (-1, -1);
}
if ((StripableSlotRow::size_type) y > stripable_slots[x].size()) {
return StripableSlot (-1, -1);
}
return stripable_slots[x][y];
}
void
LaunchPadX::stripable_selection_changed ()
{
return;
}
void
LaunchPadX::start_press_timeout (Pad& pad)
{
Glib::RefPtr<Glib::TimeoutSource> timeout = Glib::TimeoutSource::create (500); // milliseconds
pad.timeout_connection = timeout->connect (sigc::bind (sigc::mem_fun (*this, &LaunchPadX::long_press_timeout), pad.id));
timeout->attach (main_loop()->get_context());
}
void
LaunchPadX::maybe_start_press_timeout (Pad& pad)
{
if (pad.on_long_press == &LaunchPadX::relax) {
return;
}
start_press_timeout (pad);
}
bool
LaunchPadX::long_press_timeout (int pad_id)
{
PadMap::iterator p = pad_map.find (pad_id);
if (p == pad_map.end()) {
/* impossible */
return false;
}
Pad& pad (p->second);
(this->*pad.on_long_press) (pad);
return false; /* don't get called again */
}
void
LaunchPadX::left_press (Pad& pad)
{
const int shift = (_session_pressed ? 9 : 1);
if (scroll_x_offset >= shift) {
scroll_x_offset -= shift;
}
viewport_changed ();
}
void
LaunchPadX::right_press (Pad& pad)
{
const int shift = (_session_pressed ? 9 : 1);
scroll_x_offset += shift;
viewport_changed ();
}
void
LaunchPadX::session_press (Pad& pad)
{
DEBUG_TRACE (DEBUG::Launchpad, string_compose ("session press, mode %1\n", _session_mode));
if (_session_mode == SessionMode) {
_session_mode = MixerMode;
} else {
_session_mode = SessionMode;
}
display_session_layout ();
}
void
LaunchPadX::session_release (Pad& pad)
{
}
void
LaunchPadX::note_press (Pad& pad)
{
/* handled by device */
}
void
LaunchPadX::custom_press (Pad& pad)
{
/* handled by device */
}
void
LaunchPadX::cue_press (Pad& pad, int row)
{
session->trigger_cue_row (row);
}
void
LaunchPadX::rh0_press (Pad& pad)
{
if (_current_layout == SessionLayout) {
if (_session_mode == SessionMode) {
cue_press (pad, 0 + scroll_y_offset);
}
}
}
void
LaunchPadX::rh1_press (Pad& pad)
{
if (_current_layout == SessionLayout) {
if (_session_mode == SessionMode) {
cue_press (pad, 1 + scroll_y_offset);
} else {
pan_press (pad);
}
}
}
void
LaunchPadX::rh2_press (Pad& pad)
{
if (_current_layout == SessionLayout) {
if (_session_mode == SessionMode) {
cue_press (pad, 2 + scroll_y_offset);
} else {
send_a_press (pad);
}
}
}
void
LaunchPadX::rh3_press (Pad& pad)
{
if (_current_layout == SessionLayout) {
if (_session_mode == SessionMode) {
cue_press (pad, 3 + scroll_y_offset);
} else {
send_b_press (pad);
}
}
}
void
LaunchPadX::rh4_press (Pad& pad)
{
if (_current_layout == SessionLayout) {
if (_session_mode == SessionMode) {
cue_press (pad, 4 + scroll_y_offset);
} else {
stop_clip_press (pad);
}
}
}
void
LaunchPadX::rh5_press (Pad& pad)
{
if (_current_layout == SessionLayout) {
if (_session_mode == SessionMode) {
cue_press (pad, 5 + scroll_y_offset);
} else {
mute_press (pad);
}
}
}
void
LaunchPadX::rh6_press (Pad& pad)
{
if (_current_layout == SessionLayout) {
if (_session_mode == SessionMode) {
cue_press (pad, 6 + scroll_y_offset);
} else {
solo_press (pad);
}
}
}
void
LaunchPadX::rh7_press (Pad& pad)
{
if (_current_layout == SessionLayout) {
if (_session_mode == SessionMode) {
cue_press (pad, 7 + scroll_y_offset);
} else {
record_arm_press (pad);
}
}
}
void
LaunchPadX::stop_clip_press (Pad& pad)
{
}
void
LaunchPadX::fader_long_press (Pad&)
{
revert_layout_on_fader_release = true;
}
void
LaunchPadX::fader_release (Pad&)
{
if (revert_layout_on_fader_release) {
set_layout (pre_fader_layout);
revert_layout_on_fader_release = false;
}
}
void
LaunchPadX::volume_press (Pad& pad)
{
if (_current_layout == Fader && current_fader_bank == VolumeFaders) {
set_layout (SessionLayout);
return;
}
set_layout (Fader, VolumeFaders);
}
void
LaunchPadX::pan_press (Pad& pad)
{
if (_current_layout == Fader && current_fader_bank == PanFaders) {
set_layout (SessionLayout);
return;
}
set_layout (Fader, PanFaders);
}
void
LaunchPadX::send_a_press (Pad& pad)
{
if (_current_layout == Fader && current_fader_bank == SendFaders) {
set_layout (SessionLayout);
return;
}
set_layout (Fader, SendFaders);
}
void
LaunchPadX::send_b_press (Pad& pad)
{
if (_current_layout == Fader && current_fader_bank == SendFaders) {
set_layout (SessionLayout);
return;
}
set_layout (Fader, SendFaders);
}
void
LaunchPadX::mute_press (Pad& pad)
{
std::shared_ptr<Stripable> s = session->selection().first_selected_stripable();
if (s) {
std::shared_ptr<AutomationControl> ac = s->mute_control();
if (ac) {
ac->set_value (!ac->get_value(), PBD::Controllable::UseGroup);
}
}
}
void
LaunchPadX::solo_press (Pad& pad)
{
std::shared_ptr<Stripable> s = session->selection().first_selected_stripable();
if (s) {
std::shared_ptr<AutomationControl> ac = s->solo_control();
if (ac) {
session->set_control (ac, !ac->get_value(), PBD::Controllable::UseGroup);
}
}
}
void
LaunchPadX::solo_long_press (Pad& pad)
{
cancel_all_solo ();
/* Pad was used for long press, do not invoke release action */
consumed.insert (pad.id);
}
void
LaunchPadX::record_arm_press (Pad& pad)
{
std::shared_ptr<Stripable> s = session->selection().first_selected_stripable();
if (s) {
std::shared_ptr<AutomationControl> ac = s->rec_enable_control();
if (ac) {
ac->set_value (!ac->get_value(), PBD::Controllable::UseGroup);
}
}
}
void
LaunchPadX::capture_midi_press (Pad& pad)
{
set_record_enable (!get_record_enabled());
}
void
LaunchPadX::down_press (Pad& pad)
{
const int shift = (_session_pressed ? 9 : 1);
if (scroll_y_offset >= shift) {
scroll_y_offset -= shift;
}
}
void
LaunchPadX::up_press (Pad& pad)
{
const int shift = (_session_pressed ? 9 : 1);
scroll_y_offset += shift;
}
void
LaunchPadX::pad_press (Pad& pad, int velocity)
{
DEBUG_TRACE (DEBUG::Launchpad, string_compose ("pad press on %1, %2 => %3 vel %4\n", pad.x, pad.y, pad.id, velocity));
session->bang_trigger_at (pad.x, pad.y, velocity / 127.0f);
start_press_timeout (pad);
}
void
LaunchPadX::pad_long_press (Pad& pad)
{
DEBUG_TRACE (DEBUG::Launchpad, string_compose ("pad long press on %1, %2 => %3\n", pad.x, pad.y, pad.id));
session->unbang_trigger_at (pad.x, pad.y);
/* Pad was used for long press, do not invoke release action */
consumed.insert (pad.id);
}
void
LaunchPadX::trigger_property_change (PropertyChange pc, Trigger* t)
{
int x = t->box().order();
int y = t->index();
DEBUG_TRACE (DEBUG::Launchpad, string_compose ("prop change %1 for trigger at %2, %3\n", pc, x, y));
if (y > scroll_y_offset + 7) {
/* not visible at present */
return;
}
if (x > scroll_x_offset + 7) {
/* not visible at present */
return;
}
/* name property change is sent when slots are loaded or unloaded */
PropertyChange our_interests;
our_interests.add (Properties::running);
our_interests.add (Properties::name);;
if (pc.contains (our_interests)) {
int pid = (11 + ((7 - y) * 10)) + x;
MidiByteArray msg;
std::shared_ptr<Route> r = session->get_remote_nth_route (scroll_x_offset + x);
if (!r || !t->region()) {
msg.push_back (0x90);
msg.push_back (pid);
msg.push_back (0x0);
daw_write (msg);
return;
}
switch (t->state()) {
case Trigger::Stopped:
msg.push_back (0x90);
msg.push_back (pid);
msg.push_back (find_closest_palette_color (r->presentation_info().color()));
break;
case Trigger::WaitingToStart:
msg.push_back (0x91); /* channel 1=> pulsing */
msg.push_back (pid);
msg.push_back (0x17); // find_closest_palette_color (r->presentation_info().color()));
break;
case Trigger::Running:
/* choose contrasting color from the base one */
msg.push_back (0x90);
msg.push_back (pid);
msg.push_back (find_closest_palette_color (HSV(r->presentation_info().color()).opposite()));
break;
case Trigger::WaitingForRetrigger:
case Trigger::WaitingToStop:
case Trigger::WaitingToSwitch:
case Trigger::Stopping:
msg.push_back (0x91);
msg.push_back (pid);
msg.push_back (find_closest_palette_color (HSV(r->presentation_info().color()).opposite()));
}
daw_write (msg);
}
}
void
LaunchPadX::map_triggers ()
{
for (int x = 0; x < 8; ++x) {
map_triggerbox (x);
}
}
void
LaunchPadX::map_triggerbox (int x)
{
MIDI::byte msg[3];
msg[0] = 0x90;
std::shared_ptr<Route> r = session->get_remote_nth_route (scroll_x_offset + x);
int palette_index;
if (r) {
palette_index = find_closest_palette_color (r->presentation_info().color());
} else {
palette_index = 0x0;
}
for (int y = 0; y < 8; ++y) {
int xp = x + scroll_x_offset;
int yp = y + scroll_y_offset;
int pid = (11 + ((7 - y) * 10)) + x;
msg[1] = pid;
TriggerPtr t = session->trigger_at (xp, yp);
if (!t || !t->region()) {
msg[2] = 0x0;
} else {
msg[2] = palette_index;
}
daw_write (msg, 3);
}
}
void
LaunchPadX::build_color_map ()
{
/* RGB values taken from using color picker on PDF of LP manual, page
* 10, but without zero (off)
*/
static uint32_t novation_color_chart_left_side[] = {
0xb3b3b3ff,
0xddddddff,
0xffffffff,
0xffb3b3ff,
0xff6161ff,
0xdd6161ff,
0xb36161ff,
0xfff3d5ff,
0xffb361ff,
0xdd8c61ff,
0xb37661ff,
0xffeea1ff,
0xffff61ff,
0xdddd61ff,
0xb3b361ff,
0xddffa1ff,
0xc2ff61ff,
0xa1dd61ff,
0x81b361ff,
0xc2ffb3ff,
0x61ff61ff,
0x61dd61ff,
0x61b361ff,
0xc2ffc2ff,
0x61ff8cff,
0x61dd76ff,
0x61b36bff,
0xc2ffccff,
0x61ffccff,
0x61dda1ff,
0x61b381ff,
0xc2fff3ff,
0x61ffe9ff,
0x61ddc2ff,
0x61b396ff,
0xc2f3ffff,
0x61eeffff,
0x61c7ddff,
0x61a1b3ff,
0xc2ddffff,
0x61c7ffff,
0x61a1ddff,
0x6181b3ff,
0xa18cffff,
0x6161ffff,
0x6161ddff,
0x6161b3ff,
0xccb3ffff,
0xa161ffff,
0x8161ddff,
0x7661b3ff,
0xffb3ffff,
0xff61ffff,
0xdd61ddff,
0xb361b3ff,
0xffb3d5ff,
0xff61c2ff,
0xdd61a1ff,
0xb3618cff,
0xff7661ff,
0xe9b361ff,
0xddc261ff,
0xa1a161ff,
};
static uint32_t novation_color_chart_right_side[] = {
0x61b361ff,
0x61b38cff,
0x618cd5ff,
0x6161ffff,
0x61b3b3ff,
0x8c61f3ff,
0xccb3c2ff,
0x8c7681ff,
/**/
0xff6161ff,
0xf3ffa1ff,
0xeefc61ff,
0xccff61ff,
0x76dd61ff,
0x61ffccff,
0x61e9ffff,
0x61a1ffff,
/**/
0x8c61ffff,
0xcc61fcff,
0xcc61fcff,
0xa17661ff,
0xffa161ff,
0xddf961ff,
0xd5ff8cff,
0x61ff61ff,
/**/
0xb3ffa1ff,
0xccfcd5ff,
0xb3fff6ff,
0xcce4ffff,
0xa1c2f6ff,
0xd5c2f9ff,
0xf98cffff,
0xff61ccff,
/**/
0xff61ccff,
0xf3ee61ff,
0xe4ff61ff,
0xddcc61ff,
0xb3a161ff,
0x61ba76ff,
0x76c28cff,
0x8181a1ff,
/**/
0x818cccff,
0xccaa81ff,
0xdd6161ff,
0xf9b3a1ff,
0xf9ba76ff,
0xfff38cff,
0xe9f9a1ff,
0xd5ee76ff,
/**/
0x8181a1ff,
0xf9f9d5ff,
0xddfce4ff,
0xe9e9ffff,
0xe4d5ffff,
0xb3b3b3ff,
0xd5d5d5ff,
0xf9ffffff,
/**/
0xe96161ff,
0xe96161ff,
0x81f661ff,
0x61b361ff,
0xf3ee61ff,
0xb3a161ff,
0xeec261ff,
0xc27661ff
};
for (size_t n = 0; n < sizeof (novation_color_chart_left_side) / sizeof (novation_color_chart_left_side[0]); ++n) {
uint32_t color = novation_color_chart_left_side[n];
/* Add 1 to account for missing zero at zero in the table */
std::pair<int,uint32_t> p (1 + n, color);
color_map.insert (p);
}
for (size_t n = 0; n < sizeof (novation_color_chart_right_side) / sizeof (novation_color_chart_right_side[0]); ++n) {
uint32_t color = novation_color_chart_right_side[n];
/* Add 40 to account for start offset number shown in page 10 of the LP manual */
std::pair<int,uint32_t> p (40 + n, color);
color_map.insert (p);
}
}
int
LaunchPadX::find_closest_palette_color (uint32_t color)
{
auto distance = std::numeric_limits<double>::max();
int index = -1;
NearestMap::iterator n = nearest_map.find (color);
if (n != nearest_map.end()) {
return n->second;
}
HSV hsv_c (color);
for (auto const & c : color_map) {
HSV hsv_p (c.second);
double chr = M_PI * (hsv_c.h / 180.0);
double phr = M_PI * (hsv_p.h /180.0);
double t1 = (sin (chr) * hsv_c.s * hsv_c.v) - (sin (phr) * hsv_p.s* hsv_p.v);
double t2 = (cos (chr) * hsv_c.s * hsv_c.v) - (cos (phr) * hsv_p.s * hsv_p.v);
double t3 = hsv_c.v - hsv_p.v;
double d = (t1 * t1) + (t2 * t2) + (0.5 * (t3 * t3));
if (d < distance) {
index = c.first;
distance = d;
}
}
nearest_map.insert (std::pair<uint32_t,int> (color, index));
return index;
}
void
LaunchPadX::viewport_changed ()
{
route_connections.drop_connections ();
for (int n = 0; n < 8; ++n) {
std::shared_ptr<Route> r = session->get_remote_nth_route (scroll_x_offset + n);
if (r) {
r->DropReferences.connect (route_connections, invalidator (*this), boost::bind (&LaunchPadX::viewport_changed, this), this);
r->presentation_info().PropertyChanged.connect (route_connections, invalidator (*this), boost::bind (&LaunchPadX::route_property_change, this, _1, n), this);
} else {
if (n == 0) {
/* not even the first stripable ... so do nothing */
}
}
}
switch (_current_layout) {
case SessionLayout:
map_triggers ();
break;
case Fader:
map_faders ();
break;
default:
break;
}
stripable_selection_changed ();
}
void
LaunchPadX::route_property_change (PropertyChange const & pc, int col)
{
if (pc.contains (Properties::color)) {
map_triggerbox (col);
}
if (pc.contains (Properties::selected)) {
}
}
void
LaunchPadX::setup_faders (FaderBank bank)
{
MidiByteArray msg (sysex_header);
msg.push_back (1); /* fader bank command */
msg.push_back (bank);
switch (bank) {
case PanFaders:
msg.push_back (1); /* vertical orientation */
break;
default:
msg.push_back (0); /* vertical orientation */
break;
}
for (int n = 0; n < 8; ++n) {
msg.push_back (n); /* fader number */
switch (bank) {
case PanFaders:
msg.push_back (1); /* bipolar */
break;
default:
msg.push_back (0); /* unipolar */
break;
}
msg.push_back (0x20+n); /* CC number */
msg.push_back (random() % 127); /* color */
}
msg.push_back (0xf7);
daw_write (msg);
}
void
LaunchPadX::fader_move (int cc, int val)
{
std::shared_ptr<Route> r;
switch (current_fader_bank) {
case SendFaders:
case DeviceFaders:
r = std::dynamic_pointer_cast<Route> (session->selection().first_selected_stripable());
break;
default:
r = session->get_remote_nth_route (scroll_x_offset + (cc - 0x20));
break;
}
if (!r) {
return;
}
std::shared_ptr<AutomationControl> ac;
switch (current_fader_bank) {
case VolumeFaders:
ac = r->gain_control();
if (ac) {
session->set_control (ac, ARDOUR::slider_position_to_gain_with_max (val/127.0, ARDOUR::Config->get_max_gain()), PBD::Controllable::NoGroup);
}
break;
case PanFaders:
ac = r->pan_azimuth_control();
if (ac) {
session->set_control (ac, val/127.0, PBD::Controllable::NoGroup);
}
break;
case SendFaders:
ac = r->send_level_controllable (scroll_x_offset + (cc - 0x20));
if (ac) {
session->set_control (ac, ARDOUR::slider_position_to_gain_with_max (val/127.0, ARDOUR::Config->get_max_gain()), PBD::Controllable::NoGroup);
}
break;
default:
break;
}
}
void
LaunchPadX::map_faders ()
{
MIDI::byte msg[3];
msg[0] = 0xb4;
control_connections.drop_connections ();
for (int n = 0; n < 8; ++n) {
std::shared_ptr<Route> r;
switch (current_fader_bank) {
case SendFaders:
case DeviceFaders:
r = std::dynamic_pointer_cast<Route> (session->selection().first_selected_stripable());
break;
default:
r = session->get_remote_nth_route (scroll_x_offset + n);
break;
}
std::shared_ptr<AutomationControl> ac;
msg[1] = 0x20 + n;
if (!r) {
switch (current_fader_bank) {
case PanFaders:
msg[2] = 63; /* neutral position is halfway across */
break;
default:
msg[2] = 0; /* neutral position is at bottom */
break;
}
daw_write (msg, 3);
continue;
}
switch (current_fader_bank) {
case VolumeFaders:
ac = r->gain_control();
if (ac) {
msg[2] = (MIDI::byte) (ARDOUR::gain_to_slider_position_with_max (ac->get_value(), ARDOUR::Config->get_max_gain()) * 127.0);
} else {
msg[2] = 0;
}
break;
case PanFaders:
ac = r->pan_azimuth_control ();
if (ac) {
msg[2] = (MIDI::byte) (ac->get_value() * 127.0);
} else {
msg[2] = 0;
}
break;
case SendFaders:
ac = r->send_level_controllable (n);
if (ac) {
msg[2] = (MIDI::byte) (ARDOUR::gain_to_slider_position_with_max (ac->get_value(), ARDOUR::Config->get_max_gain()) * 127.0);
} else {
msg[2] = 0;
}
break;
default:
msg[2] = 0;
break;
}
if (ac) {
ac->Changed.connect (control_connections, invalidator (*this), boost::bind (&LaunchPadX::automation_control_change, this, n, std::weak_ptr<AutomationControl> (ac)), this);
}
daw_write (msg, 3);
}
}
void
LaunchPadX::automation_control_change (int n, std::weak_ptr<AutomationControl> wac)
{
std::shared_ptr<AutomationControl> ac = wac.lock();
if (!ac) {
return;
}
MIDI::byte msg[3];
msg[0] = 0xb4;
msg[1] = 0x20 + n;
switch (current_fader_bank) {
case VolumeFaders:
case SendFaders:
msg[2] = (MIDI::byte) (ARDOUR::gain_to_slider_position_with_max (ac->get_value(), ARDOUR::Config->get_max_gain()) * 127.0);
break;
case PanFaders:
msg[2] = (MIDI::byte) (ac->get_value() * 127.0);
break;
default:
break;
}
daw_write (msg, 3);
}
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