13
0
livetrax/libs/ardour/route_group_member.cc

49 lines
1.6 KiB
C++

/*
Copyright (C) 2009 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/libardour_visibility.h"
#include "ardour/route_group_member.h"
#include "ardour/route_group.h"
using namespace ARDOUR;
namespace ARDOUR { class RouteGroup; }
/** Set the route group; it can be set to 0 for `none' */
void
RouteGroupMember::set_route_group (RouteGroup *rg)
{
if (rg == _route_group) {
return;
}
_route_group = rg;
route_group_changed (); /* EMIT SIGNAL */
}
bool
RouteGroupMember::use_group (PBD::Controllable::GroupControlDisposition gcd, bool (RouteGroup::*predicate)(void) const) const
{
bool active_for_predicate = _route_group && (_route_group->*predicate)() && _route_group->is_active();
return ((gcd != PBD::Controllable::NoGroup) && (gcd != PBD::Controllable::ForGroup)) &&
_route_group &&
((active_for_predicate && (gcd != PBD::Controllable::InverseGroup)) ||
(!active_for_predicate && (gcd == PBD::Controllable::InverseGroup)));
}