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livetrax/gtk2_ardour/transport_control.cc

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/*
* Copyright (C) 2017-2019 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/i18n.h"
#include "ardour/location.h"
#include "ardour/session.h"
#include "actions.h"
#include "ardour_ui.h"
#include "transport_control.h"
using namespace Gtk;
TransportControlProvider::TransportControlProvider ()
: roll_controllable (new TransportControllable ("transport roll", TransportControllable::Roll))
, stop_controllable (new TransportControllable ("transport stop", TransportControllable::Stop))
, goto_start_controllable (new TransportControllable ("transport goto start", TransportControllable::GotoStart))
, goto_end_controllable (new TransportControllable ("transport goto end", TransportControllable::GotoEnd))
, auto_loop_controllable (new TransportControllable ("transport auto loop", TransportControllable::AutoLoop))
, play_selection_controllable (new TransportControllable ("transport play selection", TransportControllable::PlaySelection))
, rec_controllable (new TransportControllable ("transport rec-enable", TransportControllable::RecordEnable))
{
}
TransportControlProvider::TransportControllable::TransportControllable (std::string name, ToggleType tp)
: Controllable (name), type(tp)
{
}
void
TransportControlProvider::TransportControllable::set_value (double val, PBD::Controllable::GroupControlDisposition /*group_override*/)
{
if (val == 0.0) {
/* do nothing: these are radio-style actions */
return;
}
const char *action = 0;
switch (type) {
case Roll:
action = X_("Roll");
break;
case Stop:
action = X_("Stop");
break;
case GotoStart:
action = X_("GotoStart");
break;
case GotoEnd:
action = X_("GotoEnd");
break;
case AutoLoop:
action = X_("Loop");
break;
case PlaySelection:
action = X_("PlaySelection");
break;
case RecordEnable:
action = X_("Record");
break;
default:
break;
}
if (action == 0) {
return;
}
Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
if (act) {
act->activate ();
}
}
double
TransportControlProvider::TransportControllable::get_value () const
{
if (!_session) {
return 0.0;
}
ARDOUR::Location* rloc;
switch (type) {
case Roll:
return (_session->transport_rolling() ? 1.0 : 0.0);
case Stop:
return (!_session->transport_rolling() ? 1.0 : 0.0);
case GotoStart:
if ((rloc = _session->locations()->session_range_location()) != 0) {
return (_session->transport_sample() == rloc->start() ? 1.0 : 0.0);
}
return 0.0;
case GotoEnd:
if ((rloc = _session->locations()->session_range_location()) != 0) {
return (_session->transport_sample() == rloc->end() ? 1.0 : 0.0);
}
return 0.0;
case AutoLoop:
return ((_session->get_play_loop() && _session->transport_rolling())? 1.0 : 0.0);
case PlaySelection:
return ((_session->transport_rolling() && _session->get_play_range()) ? 1.0 : 0.0);
case RecordEnable:
return (_session->actively_recording() ? 1.0 : 0.0);
default:
break;
}
return 0.0;
}