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livetrax/libs/surfaces/maschine2/callbacks.cc

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/*
* Copyright (C) 2018 Paul Davis <paul@linuxaudiosystems.com>
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*
* 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.
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*
* 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.
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*/
#include "ardour/session.h"
#include "gtkmm2ext/colors.h"
#include "gtkmm2ext/actions.h"
#include "gtkmm2ext/gui_thread.h"
#include "pbd/i18n.h"
#include "maschine2.h"
#include "m2controls.h"
#include "midi++/port.h"
#define COLOR_WHITE 0xffffffff
#define COLOR_GRAY 0x606060ff
#define COLOR_BLACK 0x000000ff
using namespace ARDOUR;
using namespace ArdourSurface;
void
Maschine2::connect_signals ()
{
// TODO: use some convenience macros here
/* Signals */
session->TransportStateChange.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&Maschine2::notify_transport_state_changed, this), this);
session->TransportLooped.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&Maschine2::notify_loop_state_changed, this), this);
session->RecordStateChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&Maschine2::notify_record_state_changed, this), this);
Config->ParameterChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&Maschine2::notify_parameter_changed, this, _1), this);
session->config.ParameterChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&Maschine2::notify_parameter_changed, this, _1), this);
session->DirtyChanged.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&Maschine2::notify_session_dirty_changed, this), this);
session->history().Changed.connect (session_connections, MISSING_INVALIDATOR, boost::bind (&Maschine2::notify_history_changed, this), this);
/* Actions */
Glib::RefPtr<Gtk::ToggleAction> tact;
Glib::RefPtr<Gtk::RadioAction> ract;
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#if 0
tact = ActionManager::find_toggle_action (X_("Editor"), X_("ToggleMeasureVisibility"));
tact->signal_toggled ().connect (sigc::mem_fun (*this, &Maschine2::notify_grid_change));
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#endif
ract = ActionManager::get_radio_action (X_("Editor"), X_("snap-off"));
ract->signal_toggled ().connect (sigc::mem_fun (*this, &Maschine2::notify_snap_change));
ract = ActionManager::get_radio_action (X_("Editor"), X_("snap-magnetic"));
ract->signal_toggled ().connect (sigc::mem_fun (*this, &Maschine2::notify_snap_change));
ract = ActionManager::get_radio_action (X_("Editor"), X_("snap-normal"));
ract->signal_toggled ().connect (sigc::mem_fun (*this, &Maschine2::notify_snap_change));
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/* Surface events */
_ctrl->button (M2Contols::Play)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_play, this));
_ctrl->button (M2Contols::Rec)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_record, this));
_ctrl->button (M2Contols::Loop)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_loop, this));
_ctrl->button (M2Contols::Metronom)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_metronom, this));
_ctrl->button (M2Contols::GotoStart)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_rewind, this));
_ctrl->button (M2Contols::FastRewind)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_action, this, "Transport", "RewindSlow"));
_ctrl->button (M2Contols::FastForward)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_action, this, "Transport", "ForwardSlow"));
_ctrl->button (M2Contols::Panic)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_action, this, "MIDI", "panic"));
_ctrl->button (M2Contols::JumpForward)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_action, this, "Editor", "jump-forward-to-mark"));
_ctrl->button (M2Contols::JumpBackward)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_action, this, "Editor", "jump-backward-to-mark"));
_ctrl->button (M2Contols::Grid)->pressed.connect (button_connections, invalidator (*this), boost::bind (&Maschine2::button_snap_pressed, this), gui_context());
_ctrl->button (M2Contols::Grid)->released.connect (button_connections, invalidator (*this), boost::bind (&Maschine2::button_snap_released, this), gui_context());
_ctrl->button (M2Contols::Grid)->changed.connect (button_connections, invalidator (*this), boost::bind (&Maschine2::button_snap_changed, this, _1), gui_context());
_ctrl->button (M2Contols::Save)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_action, this, "Common", "Save"));
_ctrl->button (M2Contols::Undo)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_action, this, "Editor", "undo"));
_ctrl->button (M2Contols::Redo)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_action, this, "Editor", "redo"));
_ctrl->button (M2Contols::MasterVolume)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::handle_master_change, this, MST_VOLUME));
_ctrl->button (M2Contols::MasterTempo)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::handle_master_change, this, MST_TEMPO));
_ctrl->button (M2Contols::EncoderWheel)->released.connect_same_thread (button_connections, boost::bind (&Maschine2::button_encoder, this));
_ctrl->encoder (0)->changed.connect_same_thread (button_connections, boost::bind (&Maschine2::encoder_master, this, _1));
for (unsigned int pad = 0; pad < 16; ++pad) {
_ctrl->pad (pad)->event.connect_same_thread (button_connections, boost::bind (&Maschine2::pad_event, this, pad, _1, _2));
_ctrl->pad (pad)->changed.connect_same_thread (button_connections, boost::bind (&Maschine2::pad_change, this, pad, _1));
}
/* set initial values */
notify_record_state_changed ();
notify_transport_state_changed ();
notify_loop_state_changed ();
notify_parameter_changed ("clicking");
notify_snap_change ();
notify_session_dirty_changed ();
notify_history_changed ();
}
void
Maschine2::notify_record_state_changed ()
{
switch (session->record_status ()) {
case Session::Disabled:
_ctrl->button (M2Contols::Rec)->set_color (0);
_ctrl->button (M2Contols::Rec)->set_blinking (false);
break;
case Session::Enabled:
_ctrl->button (M2Contols::Rec)->set_color (COLOR_WHITE);
_ctrl->button (M2Contols::Rec)->set_blinking (true);
break;
case Session::Recording:
_ctrl->button (M2Contols::Rec)->set_color (COLOR_WHITE);
_ctrl->button (M2Contols::Rec)->set_blinking (false);
break;
}
}
void
Maschine2::notify_transport_state_changed ()
{
if (transport_rolling ()) {
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_ctrl->button (M2Contols::Play)->set_color (COLOR_WHITE);
} else {
_ctrl->button (M2Contols::Play)->set_color (0);
}
notify_loop_state_changed ();
}
void
Maschine2::notify_loop_state_changed ()
{
bool looping = false;
Location* looploc = session->locations ()->auto_loop_location ();
if (looploc && session->get_play_loop ()) {
looping = true;
}
_ctrl->button (M2Contols::Loop)->set_color (looping ? COLOR_GRAY : 0);
}
void
Maschine2::notify_parameter_changed (std::string param)
{
if (param == "clicking") {
_ctrl->button (M2Contols::Metronom)->set_color (Config->get_clicking () ? COLOR_GRAY : 0);
}
}
#if 0
void
Maschine2::notify_grid_change ()
{
Glib::RefPtr<Gtk::ToggleAction> tact = ActionManager::find_toggle_action (X_("Editor"), X_("ToggleMeasureVisibility"));
_ctrl->button (M2Contols::Grid)->set_color (tact->get_active () ? COLOR_WHITE : 0);
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}
#endif
void
Maschine2::notify_snap_change ()
{
uint32_t rgba = 0;
if (_ctrl->button (M2Contols::Grid)->is_pressed ()) {
return;
}
Glib::RefPtr<Gtk::RadioAction> ract = ActionManager::get_radio_action (X_("Editor"), X_("snap-magnetic"));
if (ract->get_active ()) { rgba = COLOR_GRAY; }
ract = ActionManager::get_radio_action (X_("Editor"), X_("snap-normal"));
if (ract->get_active ()) { rgba = COLOR_WHITE; }
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_ctrl->button (M2Contols::Grid)->set_color (rgba);
}
void
Maschine2::notify_session_dirty_changed ()
{
bool is_dirty = session->dirty ();
_ctrl->button (M2Contols::Save)->set_color (is_dirty ? COLOR_WHITE : COLOR_BLACK);
_ctrl->button (M2Contols::Save)->set_blinking (is_dirty);
}
void
Maschine2::notify_history_changed ()
{
_ctrl->button (M2Contols::Redo)->set_color (session->redo_depth() > 0 ? COLOR_WHITE : COLOR_BLACK);
_ctrl->button (M2Contols::Undo)->set_color (session->undo_depth() > 0 ? COLOR_WHITE : COLOR_BLACK);
}
void
Maschine2::button_play ()
{
if (transport_rolling ()) {
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transport_stop ();
} else {
transport_play ();
}
}
void
Maschine2::button_record ()
{
set_record_enable (!get_record_enabled ());
}
void
Maschine2::button_loop ()
{
loop_toggle ();
}
void
Maschine2::button_metronom ()
{
Config->set_clicking (!Config->get_clicking ());
}
void
Maschine2::button_rewind ()
{
goto_start (transport_rolling ());
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}
void
Maschine2::button_action (const std::string& group, const std::string& item)
{
AccessAction (group, item);
}
#if 0
void
Maschine2::button_grid ()
{
Glib::RefPtr<Gtk::ToggleAction> tact = ActionManager::find_toggle_action (X_("Editor"), X_("ToggleMeasureVisibility"));
tact->set_active (!tact->get_active ());
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}
#endif
void
Maschine2::button_snap_pressed ()
{
_ctrl->button (M2Contols::Grid)->set_color (COLOR_WHITE);
_ctrl->button (M2Contols::Grid)->set_blinking (true);
}
void
Maschine2::button_snap_changed (bool pressed)
{
if (!pressed) {
_ctrl->button (M2Contols::Grid)->set_blinking (false);
notify_snap_change ();
}
notify_master_change ();
}
void
Maschine2::button_snap_released ()
{
_ctrl->button (M2Contols::Grid)->set_blinking (false);
const char* action = 0;
Glib::RefPtr<Gtk::RadioAction> ract = ActionManager::get_radio_action (X_("Editor"), X_("snap-off"));
if (ract->get_active ()) { action = "snap-normal"; }
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ract = ActionManager::get_radio_action (X_("Editor"), X_("snap-normal"));
if (ract->get_active ()) { action = "snap-magnetic"; }
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ract = ActionManager::get_radio_action (X_("Editor"), X_("snap-magnetic"));
if (ract->get_active ()) { action = "snap-off"; }
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ract = ActionManager::get_radio_action (X_("Editor"), action);
ract->set_active (true);
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}
/* Master mode + state -- main encoder fn */
void
Maschine2::handle_master_change (enum MasterMode id)
{
switch (id) {
case MST_VOLUME:
if (_master_state == MST_VOLUME) { _master_state = MST_NONE; } else { _master_state = MST_VOLUME; }
break;
case MST_TEMPO:
if (_master_state == MST_TEMPO) { _master_state = MST_NONE; } else { _master_state = MST_TEMPO; }
break;
default:
return;
break;
}
notify_master_change ();
}
void
Maschine2::notify_master_change ()
{
if (_ctrl->button (M2Contols::Grid)->is_pressed ()) {
_ctrl->button (M2Contols::MasterVolume)->set_color (COLOR_BLACK);
_ctrl->button (M2Contols::MasterTempo)->set_color (COLOR_BLACK);
return;
}
switch (_master_state) {
case MST_NONE:
_ctrl->button (M2Contols::MasterVolume)->set_color (COLOR_BLACK);
_ctrl->button (M2Contols::MasterTempo)->set_color (COLOR_BLACK);
break;
case MST_VOLUME:
_ctrl->button (M2Contols::MasterVolume)->set_color (COLOR_WHITE);
_ctrl->button (M2Contols::MasterTempo)->set_color (COLOR_BLACK);
break;
case MST_TEMPO:
_ctrl->button (M2Contols::MasterVolume)->set_color (COLOR_BLACK);
_ctrl->button (M2Contols::MasterTempo)->set_color (COLOR_WHITE);
break;
}
}
static void apply_ac_delta (std::shared_ptr<AutomationControl> ac, double d) {
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if (!ac) {
return;
}
ac->set_value (ac->interface_to_internal (std::min (ac->upper(), std::max (ac->lower(), ac->internal_to_interface (ac->get_value()) + d))),
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PBD::Controllable::UseGroup);
}
void
Maschine2::encoder_master (int delta)
{
if (_ctrl->button (M2Contols::Grid)->is_pressed ()) {
_ctrl->button (M2Contols::Grid)->ignore_release ();
if (delta > 0) {
AccessAction ("Editor", "next-snap-choice");
} else {
AccessAction ("Editor", "prev-snap-choice");
}
return;
}
switch (_master_state) {
case MST_NONE:
if (_ctrl->button (M2Contols::BtnShift, M2Contols::ModNone)->active ()) {
if (delta > 0) {
AccessAction ("Editor", "temporal-zoom-in");
} else {
AccessAction ("Editor", "temporal-zoom-out");
}
} else {
if (delta > 0) {
AccessAction ("Editor", "playhead-forward-to-grid");
} else {
AccessAction ("Editor", "playhead-backward-to-grid");
}
}
break;
case MST_VOLUME:
{
std::shared_ptr<Route> master = session->master_out ();
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if (master) {
// TODO consider _ctrl->button (M2Contols::EncoderWheel)->is_pressed() for fine grained
const double factor = _ctrl->button (M2Contols::BtnShift, M2Contols::ModNone)->active () ? 256. : 32.;
apply_ac_delta (master->gain_control(), delta / factor);
}
}
break;
case MST_TEMPO:
// set new tempo.. apply with "enter"
break;
}
}
void
Maschine2::button_encoder ()
{
switch (_master_state) {
case MST_NONE:
// OR: add marker ??
if (_ctrl->button (M2Contols::BtnShift, M2Contols::ModNone)->active ()) {
AccessAction ("Editor", "zoom-to-session");
}
break;
case MST_VOLUME:
// ignore -> fine gained?
break;
case MST_TEMPO:
// add new tempo.. ?
break;
}
}
void
Maschine2::pad_change (unsigned int pad, float v)
{
float lvl = v; // _ctrl->pad (pad)->value () / 4095.f;
Gtkmm2ext::Color c = Gtkmm2ext::hsva_to_color (270 - 270.f * lvl, 1.0, lvl * lvl, 1.0);
_ctrl->pad (pad)->set_color (c);
}
void
Maschine2::pad_event (unsigned int pad, float v, bool ev)
{
if (ev) {
uint8_t msg[3];
msg[0] = v > 0 ? 0x90 : 0x80;
msg[1] = 36 + pad; // TODO map note to scale
msg[2] = ((uint8_t)floor (v * 127)) & 0x7f;
_output_port->write (msg, 3, 0);
} else {
uint8_t msg[3];
msg[0] = 0xa0;
msg[1] = 36 + pad; // TODO map note to scale
msg[2] = ((uint8_t)floor (v * 127)) & 0x7f;
_output_port->write (msg, 3, 0);
}
//printf ("[%2d] %s %.1f\n", pad, ev ? "On/Off" : "Aftertouch" , v * 127);
}