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livetrax/libs/ardour/solo_safe_control.cc

85 lines
2.4 KiB
C++

/*
Copyright (C) 2016 Paul Davis
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.,
675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "ardour/debug.h"
#include "ardour/mute_master.h"
#include "ardour/session.h"
#include "ardour/solo_isolate_control.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace std;
using namespace PBD;
SoloSafeControl::SoloSafeControl (Session& session, std::string const & name)
: SlavableAutomationControl (session, SoloSafeAutomation, ParameterDescriptor (SoloSafeAutomation),
boost::shared_ptr<AutomationList>(new AutomationList(Evoral::Parameter(SoloSafeAutomation))),
name)
, _solo_safe (false)
{
_list->set_interpolation(Evoral::ControlList::Discrete);
}
void
SoloSafeControl::actually_set_value (double val, PBD::Controllable::GroupControlDisposition gcd)
{
_solo_safe = (val ? true : false);
/* this sets the Evoral::Control::_user_value for us, which will
be retrieved by AutomationControl::get_value (), and emits Changed
*/
AutomationControl::actually_set_value (val, gcd);
}
double
SoloSafeControl::get_value () const
{
if (slaved()) {
Glib::Threads::RWLock::ReaderLock lm (master_lock);
return get_masters_value_locked () ? 1.0 : 0.0;
}
if (_list && boost::dynamic_pointer_cast<AutomationList>(_list)->automation_playback()) {
// Playing back automation, get the value from the list
return AutomationControl::get_value();
}
return _solo_safe ? 1.0 : 0.0;
}
int
SoloSafeControl::set_state (XMLNode const & node, int version)
{
if (SlavableAutomationControl::set_state(node, version)) {
return -1;
}
node.get_property ("solo-safe", _solo_safe);
return 0;
}
XMLNode&
SoloSafeControl::get_state ()
{
XMLNode& node (SlavableAutomationControl::get_state());
node.set_property (X_("solo-safe"), _solo_safe);
return node;
}