13
0
livetrax/gtk2_ardour/transport_masters_dialog.cc
Robin Gareus 87181710b2
Drop UI shared_ptr references to Transport Masters
This allows ARDOUR::cleanup to unregister ports before
destroying the Audio Engine. This fixes a crash at exist
with JACK since 0786be8.
2023-12-05 04:37:39 +01:00

780 lines
23 KiB
C++

/*
* Copyright (C) 2018-2019 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2018-2019 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 "pbd/enumwriter.h"
#include "pbd/unwind.h"
#include "temporal/time.h"
#include "ardour/audioengine.h"
#include "ardour/session.h"
#include "ardour/transport_master.h"
#include "ardour/transport_master_manager.h"
#include "widgets/tooltips.h"
#include "widgets/ardour_icon.h"
#include "gtkmm2ext/colors.h"
#include "gtkmm2ext/utils.h"
#include "gtkmm2ext/gui_thread.h"
#include "ardour_ui.h"
#include "floating_text_entry.h"
#include "transport_masters_dialog.h"
#include "ui_config.h"
#include "pbd/i18n.h"
using namespace std;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace ARDOUR;
using namespace PBD;
using namespace ArdourWidgets;
TransportMastersWidget::TransportMastersWidget ()
: table (4, 13)
, add_master_button (_("Add a new Transport Master"))
, lost_sync_button (_("Keep rolling if sync is lost"))
, ignore_active_change (false)
{
midi_port_store = ListStore::create (port_columns);
audio_port_store = ListStore::create (port_columns);
AudioEngine::instance()->PortRegisteredOrUnregistered.connect (port_reg_connection, invalidator (*this), boost::bind (&TransportMastersWidget::update_ports, this), gui_context());
AudioEngine::instance()->PortPrettyNameChanged.connect (port_reg_connection, invalidator (*this), boost::bind (&TransportMastersWidget::update_ports, this), gui_context());
update_ports ();
Gtk::Table *add_table = manage(new Gtk::Table(1,2));
add_table->attach(add_master_button, 0,1, 0,1, Gtk::SHRINK);
pack_start (table, FALSE, FALSE, 12);
pack_start (*add_table, FALSE, FALSE);
pack_start (lost_sync_button, FALSE, FALSE, 12);
Config->ParameterChanged.connect (config_connection, invalidator (*this), boost::bind (&TransportMastersWidget::param_changed, this, _1), gui_context());
lost_sync_button.signal_toggled().connect (sigc::mem_fun (*this, &TransportMastersWidget::lost_sync_button_toggled));
lost_sync_button.set_active (Config->get_transport_masters_just_roll_when_sync_lost());
set_tooltip (lost_sync_button, string_compose (_("<b>When enabled</b>, if the signal from a transport master is lost, %1 will keep rolling at its current speed.\n"
"<b>When disabled</b>, loss of transport master sync causes %1 to stop"), PROGRAM_NAME));
add_master_button.signal_clicked.connect (sigc::mem_fun (*this, &TransportMastersWidget::add_master));
col_title[0].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Select"))); align[0]=0.0;
col_title[1].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Name"))); align[1]=0.5;
col_title[2].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Type"))); align[2]=0.5;
col_title[3].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Source"))); align[3]=0.5;
col_title[4].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Format"))); align[4]=0.5;
col_title[5].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Sync Position + Delta")));align[5]=0.5;
col_title[6].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Last Message + Age"))); align[6]=0.5;
col_title[7].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Clock\nSynced"))); align[7]=0.0;
col_title[8].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("29.97/\n30"))); align[8]=0.0;
col_title[9].set_markup (string_compose ("<span weight=\"bold\">%1</span>", _("Remove"))); align[9]=0.5;
// set_tooltip (col_title[7], _("Controls whether or not certain transport-related commands can be sent from the GUI or control "
// "surfaces when this transport master is in use. The default is not to allow any such commands "
// "when the master is in use."));
set_tooltip (col_title[8], _("<b>When enabled</b> the external timecode source is assumed to use 29.97 fps instead of 30000/1001.\n"
"SMPTE 12M-1999 specifies 29.97df as 30000/1001. The spec further mentions that "
"drop-sample timecode has an accumulated error of -86ms over a 24-hour period.\n"
"Drop-sample timecode would compensate exactly for a NTSC color frame rate of 30 * 0.9990 (ie 29.970000). "
"That is not the actual rate. However, some vendors use that rate - despite it being against the specs - "
"because the variant of using exactly 29.97 fps has zero timecode drift.\n"
));
set_tooltip (col_title[7], string_compose (_("<b>When enabled</b> the external timecode source is assumed to be sample-clock synced to the audio interface\n"
"being used by %1."), PROGRAM_NAME));
table.set_col_spacings (12);
table.set_row_spacings (6);
TransportMasterManager::instance().CurrentChanged.connect (current_connection, invalidator (*this), boost::bind (&TransportMastersWidget::current_changed, this, _1, _2), gui_context());
TransportMasterManager::instance().Added.connect (add_connection, invalidator (*this), boost::bind (&TransportMastersWidget::rebuild, this), gui_context());
TransportMasterManager::instance().Removed.connect (remove_connection, invalidator (*this), boost::bind (&TransportMastersWidget::rebuild, this), gui_context());
AudioEngine::instance()->Running.connect (engine_running_connection, invalidator (*this), boost::bind (&TransportMastersWidget::update_usability, this), gui_context());
rebuild ();
}
TransportMastersWidget::~TransportMastersWidget ()
{
for (vector<Row*>::iterator r = rows.begin(); r != rows.end(); ++r) {
delete *r;
}
}
void
TransportMastersWidget::set_transport_master (std::shared_ptr<TransportMaster> tm)
{
_session->request_sync_source (tm);
}
void
TransportMastersWidget::current_changed (std::shared_ptr<TransportMaster> old_master, std::shared_ptr<TransportMaster> new_master)
{
for (vector<Row*>::iterator r = rows.begin(); r != rows.end(); ++r) {
if ((*r)->tm == new_master) {
(*r)->use_button.set_active (true);
break; /* there can only be one */
}
}
}
void
TransportMastersWidget::add_master ()
{
printf ("TransportMastersWidget::add_master\n");
AddTransportMasterDialog d;
d.present ();
string name;
while (name.empty()) {
int r = d.run ();
switch (r) {
case RESPONSE_ACCEPT:
name = d.get_name();
break;
default:
return;
}
}
d.hide ();
if (TransportMasterManager::instance().add (d.get_type(), name)) {
MessageDialog msg (_("New transport master not added - check error log for details"));
msg.run ();
}
}
void
TransportMastersWidget::clear ()
{
container_clear (table);
for (vector<Row*>::iterator r = rows.begin(); r != rows.end(); ++r) {
delete *r;
}
rows.clear ();
}
void
TransportMastersWidget::rebuild ()
{
TransportMasterManager::TransportMasters const & masters (TransportMasterManager::instance().transport_masters());
clear ();
const size_t ncols = sizeof (col_title) / sizeof (col_title[0]);
table.resize (masters.size()+1, ncols);
for (size_t col = 0; col < ncols; ++col) {
table.attach (col_title[col], col, col+1, 0, 1);
col_title[col].set_alignment( align[col], 0.5);
}
uint32_t n = 1;
Gtk::RadioButtonGroup use_button_group;
for (TransportMasterManager::TransportMasters::const_iterator m = masters.begin(); m != masters.end(); ++m, ++n) {
Row* r = new Row (*this);
rows.push_back (r);
r->tm = *m;
r->label.set_text ((*m)->name());
r->type.set_text (enum_2_string ((*m)->type()));
r->use_button.set_group (use_button_group);
if (TransportMasterManager::instance().current() == r->tm) {
r->use_button.set_active (true);
}
int col = 0;
r->label_box.add (r->label);
r->current_box.add (r->current);
r->last_box.add (r->last);
table.attach (r->use_button, col, col+1, n, n+1, FILL, SHRINK); ++col;
table.attach (r->label_box, col, col+1, n, n+1, FILL, SHRINK); ++col;
table.attach (r->type, col, col+1, n, n+1, FILL, SHRINK); ++col;
table.attach (r->port_combo, col, col+1, n, n+1, FILL, SHRINK); ++col;
table.attach (r->format, col, col+1, n, n+1, FILL, SHRINK); ++col;
table.attach (r->current_box, col, col+1, n, n+1, FILL, SHRINK); ++col;
table.attach (r->last_box, col, col+1, n, n+1, FILL, SHRINK); ++col;
std::shared_ptr<TimecodeTransportMaster> ttm (std::dynamic_pointer_cast<TimecodeTransportMaster> (r->tm));
if (ttm) {
table.attach (r->sclock_synced_button, col, col+1, n, n+1, FILL, SHRINK); ++col;
table.attach (r->fr2997_button, col, col+1, n, n+1, FILL, SHRINK); ++col;
r->fr2997_button.signal_toggled().connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::fr2997_button_toggled));
} else {
col += 2;
}
if (r->tm->removeable()) {
table.attach (r->remove_button, col, col+1, n, n+1, SHRINK, EXPAND|FILL);
}
table.show_all ();
r->label_box.signal_button_press_event().connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::name_press));
r->port_combo.signal_changed().connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::port_choice_changed));
r->use_button.signal_toggled().connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::use_button_toggled));
r->remove_button.signal_clicked.connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::remove_clicked));
if (ttm) {
r->sclock_synced_button.signal_toggled().connect (sigc::mem_fun (*r, &TransportMastersWidget::Row::sync_button_toggled));
}
r->tm->PropertyChanged.connect (r->property_change_connection, invalidator (*this), boost::bind (&TransportMastersWidget::Row::prop_change, r, _1), gui_context());
PropertyChange all_change;
all_change.add (Properties::locked);
all_change.add (Properties::collect);
all_change.add (Properties::connected);
all_change.add (Properties::allowed_transport_requests);
if (ttm) {
all_change.add (Properties::fr2997);
all_change.add (Properties::sclock_synced);
}
r->prop_change (all_change);
}
update_usability ();
}
bool
TransportMastersWidget::idle_remove (TransportMastersWidget::Row* row)
{
TransportMasterManager::instance().remove (row->tm->name());
return false;
}
void
TransportMastersWidget::update_ports ()
{
if (!get_mapped ()) {
return;
}
{
PBD::Unwinder<bool> uw (ignore_active_change, true);
vector<string> inputs;
ARDOUR::AudioEngine::instance()->get_ports ("", ARDOUR::DataType::MIDI, ARDOUR::PortFlags (ARDOUR::IsOutput), inputs);
build_port_model (midi_port_store, inputs);
inputs.clear ();
ARDOUR::AudioEngine::instance()->get_ports ("", ARDOUR::DataType::AUDIO, ARDOUR::PortFlags (ARDOUR::IsOutput), inputs);
build_port_model (audio_port_store, inputs);
}
for (vector<Row*>::iterator r = rows.begin(); r != rows.end(); ++r) {
if ((*r)->tm->port()) {
(*r)->build_port_list ((*r)->tm->port()->type());
}
}
}
void
TransportMastersWidget::update_usability ()
{
for (vector<Row*>::iterator r= rows.begin(); r != rows.end(); ++r) {
const bool usable = (*r)->tm->usable();
(*r)->use_button.set_sensitive (usable);
}
}
TransportMastersWidget::Row::Row (TransportMastersWidget& p)
: parent (p)
, name_editor (0)
, save_when (0)
, save_last (" --:--:--:--")
{
remove_button.set_icon (ArdourIcon::CloseCross);
format.modify_font (UIConfiguration::instance().get_BigMonospaceFont());
last.modify_font (UIConfiguration::instance().get_BigMonospaceFont());
current.modify_font (UIConfiguration::instance().get_BigMonospaceFont());
uint32_t bg = UIConfigurationBase::instance().color ("clock: background");
uint32_t fg = UIConfigurationBase::instance().color ("clock: text");
Gdk::Color bg_color = Gtkmm2ext::gdk_color_from_rgba (bg);
Gdk::Color fg_color = Gtkmm2ext::gdk_color_from_rgba (fg);
current_box.modify_bg (Gtk::STATE_NORMAL, bg_color);
current.modify_fg (Gtk::STATE_NORMAL, fg_color);
last_box.modify_bg (Gtk::STATE_NORMAL, bg_color);
last.modify_fg (Gtk::STATE_NORMAL, fg_color);
set_size_request_to_display_given_text (format, "999.9 BPM", 0, 0);
}
TransportMastersWidget::Row::~Row ()
{
}
bool
TransportMastersWidget::Row::name_press (GdkEventButton* ev)
{
if (ev->type == GDK_2BUTTON_PRESS && ev->button == 1) {
Gtk::Window* toplevel = dynamic_cast<Gtk::Window*> (label.get_toplevel());
if (!toplevel) {
return false;
}
name_editor = new FloatingTextEntry (toplevel, tm->name());
name_editor->use_text.connect (sigc::mem_fun (*this, &TransportMastersWidget::Row::name_edited));
name_editor->show ();
/* Now move the floating text entry window to be perfectly
* aligned with the upper left corner of the name/label box.
*/
Gtk::Widget* tl = label_box.get_toplevel();
Gtk::Window* top_level = dynamic_cast<Gtk::Window*>(tl);
if (top_level) {
Glib::RefPtr<Gdk::Window> win (top_level->get_window());
int rx, ry;
win->get_position (rx, ry);
Gtk::Allocation alloc = label_box.get_allocation();
name_editor->move (rx + alloc.get_x(), ry + alloc.get_y());
}
return true;
}
return false;
}
void
TransportMastersWidget::build_port_model (Glib::RefPtr<Gtk::ListStore> model, vector<string> const & ports)
{
TreeModel::Row row;
model->clear ();
row = *model->append ();
row[port_columns.full_name] = string();
row[port_columns.short_name] = _("Disconnected");
for (vector<string>::const_iterator p = ports.begin(); p != ports.end(); ++p) {
if (AudioEngine::instance()->port_is_mine (*p)) {
continue;
}
row = *model->append ();
row[port_columns.full_name] = *p;
std::string pn = ARDOUR::AudioEngine::instance()->get_pretty_name_by_name (*p);
if (pn.empty ()) {
pn = (*p).substr ((*p).find (':') + 1);
}
row[port_columns.short_name] = pn;
}
}
void
TransportMastersWidget::Row::remove_clicked ()
{
/* have to do this via an idle callback, because it will destroy the
widget from which this callback was initiated.
*/
Glib::signal_idle().connect (sigc::bind (sigc::mem_fun (parent, &TransportMastersWidget::idle_remove), this));
}
void
TransportMastersWidget::Row::name_edited (string str, int ignored)
{
tm->set_name (str);
/* floating text entry deletes itself */
name_editor = 0;
}
void
TransportMastersWidget::Row::prop_change (PropertyChange what_changed)
{
if (what_changed.contains (Properties::locked)) {
}
if (what_changed.contains (Properties::fr2997)) {
fr2997_button.set_active (std::dynamic_pointer_cast<TimecodeTransportMaster> (tm)->fr2997());
}
if (what_changed.contains (Properties::sclock_synced)) {
sclock_synced_button.set_active (std::dynamic_pointer_cast<TimecodeTransportMaster> (tm)->sample_clock_synced());
}
if (what_changed.contains (Properties::collect)) {
}
if (what_changed.contains (Properties::connected)) {
populate_port_combo ();
}
if (what_changed.contains (Properties::name)) {
label.set_text (tm->name());
}
}
void
TransportMastersWidget::Row::use_button_toggled ()
{
if (use_button.get_active()) {
parent.set_transport_master (tm);
}
}
void
TransportMastersWidget::Row::fr2997_button_toggled ()
{
std::dynamic_pointer_cast<TimecodeTransportMaster>(tm)->set_fr2997 (fr2997_button.get_active());
}
void
TransportMastersWidget::Row::sync_button_toggled ()
{
tm->set_sample_clock_synced (sclock_synced_button.get_active());
}
void
TransportMastersWidget::Row::mod_request_type (TransportRequestType t)
{
tm->set_request_mask (TransportRequestType ((tm->request_mask() & t) ? (tm->request_mask() & ~t) : (tm->request_mask() | t)));
}
void
TransportMastersWidget::Row::populate_port_combo ()
{
if (!tm->port()) {
port_combo.hide ();
return;
} else {
port_combo.show ();
}
build_port_list (tm->port()->type());
}
void
TransportMastersWidget::Row::build_port_list (DataType type)
{
Glib::RefPtr<Gtk::ListStore> input = (type == DataType::MIDI ? parent.midi_port_store : parent.audio_port_store);
bool input_found = false;
int n;
if (input->children().empty()) {
return;
}
port_combo.set_model (input);
Gtk::TreeModel::Children children = input->children();
Gtk::TreeModel::Children::iterator i;
i = children.begin();
++i; /* skip "Disconnected" */
for (n = 1; i != children.end(); ++i, ++n) {
string port_name = (*i)[parent.port_columns.full_name];
if (tm->port()->connected_to (port_name)) {
port_combo.set_active (n);
input_found = true;
break;
}
}
if (!input_found) {
port_combo.set_active (0); /* disconnected */
}
}
void
TransportMastersWidget::Row::port_choice_changed ()
{
if (!tm->port()) {
return;
}
if (parent.ignore_active_change) {
return;
}
TreeModel::iterator active = port_combo.get_active ();
string new_port = (*active)[parent.port_columns.full_name];
if (new_port.empty()) {
tm->port()->disconnect_all ();
return;
}
if (!tm->port()->connected_to (new_port)) {
tm->port()->disconnect_all ();
tm->port()->connect (new_port);
}
}
void
TransportMastersWidget::Row::update (Session* s, samplepos_t now)
{
using namespace Timecode;
samplepos_t pos;
double speed;
samplepos_t most_recent;
samplepos_t when;
stringstream ss;
Time t;
std::shared_ptr<TimecodeTransportMaster> ttm;
std::shared_ptr<MIDIClock_TransportMaster> mtm;
if (!AudioEngine::instance()->running() || !s) {
return;
}
string current_str (" --:--:--:--");
string delta_str (u8"\u0394 ---- ");
string age_str (" ");
if (tm->speed_and_position (speed, pos, most_recent, when, now)) {
if ((ttm = std::dynamic_pointer_cast<TimecodeTransportMaster> (tm))) {
Timecode::TimecodeFormat fmt = ttm->apparent_timecode_format();
format.set_text (timecode_format_name (fmt));
sample_to_timecode (pos, t, false, false,
Timecode::timecode_to_frames_per_second (fmt),
Timecode::timecode_has_drop_frames (fmt),
TEMPORAL_SAMPLE_RATE, 0, false, 0);
} else if ((mtm = std::dynamic_pointer_cast<MIDIClock_TransportMaster> (tm))) {
char buf[16];
snprintf (buf, sizeof (buf), "%.1f BPM", mtm->bpm());
buf[15] = '\0';
format.set_text (buf);
s->sample_to_timecode (pos, t, false, false);
} else {
format.set_text (" - ");
s->sample_to_timecode (pos, t, false, false);
}
current_str = Timecode::timecode_format_time (t);
delta_str = tm->delta_string ();
save_when = when;
save_last = current_str;
} else {
format.set_text (" ? ");
}
if (save_when) {
char gap[32];
float seconds = (now - save_when) / (float) TEMPORAL_SAMPLE_RATE;
if (seconds < 0) {
seconds = 0;
}
if (seconds < 1.f) {
snprintf (gap, sizeof (gap), "%3.02fs ago", seconds);
} else if (seconds < 60.f) {
snprintf (gap, sizeof (gap), "%3.0fs ago", seconds);
} else if (seconds < 3600.f) {
snprintf (gap, sizeof (gap), "%3.0fm ago", seconds / 60.f);
} else {
snprintf (gap, sizeof (gap), "%3.0fh ago", seconds/3600.f);
}
gap[31] = '\0';
age_str = gap;
}
last.set_text (string_compose (_("%1 %2"), save_last, age_str));
current.set_text (string_compose ("%1 %2", current_str, delta_str));
}
void
TransportMastersWidget::update (timepos_t /* audible */)
{
samplepos_t now = AudioEngine::instance()->sample_time ();
for (vector<Row*>::iterator r = rows.begin(); r != rows.end(); ++r) {
(*r)->update (_session, now);
}
}
void
TransportMastersWidget::on_map ()
{
update_connection = ARDOUR_UI::Clock.connect (sigc::mem_fun (*this, &TransportMastersWidget::update));
Gtk::VBox::on_map ();
update_ports ();
}
void
TransportMastersWidget::on_unmap ()
{
update_connection.disconnect ();
Gtk::VBox::on_unmap ();
}
TransportMastersWindow::TransportMastersWindow ()
: ArdourWindow (_("Transport Masters"))
{
add (w);
w.show ();
}
void
TransportMastersWindow::on_realize ()
{
ArdourWindow::on_realize ();
/* (try to) ensure that resizing is possible and the window can be moved (and closed) */
get_window()->set_decorations (Gdk::DECOR_BORDER | Gdk::DECOR_RESIZEH | Gdk::DECOR_TITLE | Gdk::DECOR_MENU);
}
void
TransportMastersWindow::set_session (ARDOUR::Session* s)
{
ArdourWindow::set_session (s);
w.set_session (s);
}
void
TransportMastersWidget::set_session (ARDOUR::Session* s)
{
session_config_connection.disconnect ();
SessionHandlePtr::set_session (s);
if (_session) {
_session->config.ParameterChanged.connect (session_config_connection, invalidator (*this), boost::bind (&TransportMastersWidget::param_changed, this, _1), gui_context());
allow_master_select (!_session->config.get_external_sync());
rebuild ();
} else {
clear ();
}
}
TransportMastersWidget::AddTransportMasterDialog::AddTransportMasterDialog ()
: ArdourDialog (_("Add Transport Master"), true, false)
, name_label (_("Name"))
, type_label (_("Type"))
{
name_hbox.set_spacing (6);
name_hbox.pack_start (name_label, false, false);
name_hbox.pack_start (name_entry, true, true);
type_hbox.set_spacing (6);
type_hbox.pack_start (type_label, false, false);
type_hbox.pack_start (type_combo, true, true);
vector<string> s;
s.push_back (X_("MTC"));
s.push_back (X_("LTC"));
s.push_back (X_("MIDI Clock"));
set_popdown_strings (type_combo, s);
type_combo.set_active_text (X_("LTC"));
get_vbox()->pack_start (name_hbox, false, false);
get_vbox()->pack_start (type_hbox, false, false);
add_button (_("Cancel"), RESPONSE_CANCEL);
add_button (_("Add"), RESPONSE_ACCEPT);
name_entry.show ();
type_combo.show ();
name_label.show ();
type_label.show ();
name_hbox.show ();
type_hbox.show ();
name_entry.signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &Gtk::Dialog::response), Gtk::RESPONSE_ACCEPT));
}
string
TransportMastersWidget::AddTransportMasterDialog::get_name () const
{
return name_entry.get_text ();
}
SyncSource
TransportMastersWidget::AddTransportMasterDialog::get_type() const
{
string t = type_combo.get_active_text ();
if (t == X_("MTC")) {
return MTC;
} else if (t == X_("MIDI Clock")) {
return MIDIClock;
}
return LTC;
}
void
TransportMastersWidget::lost_sync_changed ()
{
lost_sync_button.set_active (Config->get_transport_masters_just_roll_when_sync_lost());
}
void
TransportMastersWidget::lost_sync_button_toggled ()
{
bool active = lost_sync_button.get_active ();
Config->set_transport_masters_just_roll_when_sync_lost (active);
}
void
TransportMastersWidget::param_changed (string const & p)
{
if (p == "transport-masters-just_roll-when-sync-lost") {
lost_sync_changed ();
} else if (p == "external-sync") {
if (_session) {
allow_master_select (!_session->config.get_external_sync());
}
}
}
void
TransportMastersWidget::allow_master_select (bool yn)
{
for (vector<Row*>::iterator r = rows.begin(); r != rows.end(); ++r) {
(*r)->use_button.set_sensitive (yn);
}
}