2 Copyright (C) 2009 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 #include "ardour/libardour_visibility.h"
20 #include "ardour/route_group_member.h"
21 #include "ardour/route_group.h"
23 using namespace ARDOUR;
25 namespace ARDOUR { class RouteGroup; }
27 /** Set the route group; it can be set to 0 for `none' */
29 RouteGroupMember::set_route_group (RouteGroup *rg)
31 if (rg == _route_group) {
36 route_group_changed (); /* EMIT SIGNAL */
40 RouteGroupMember::use_group (PBD::Controllable::GroupControlDisposition gcd, bool (RouteGroup::*predicate)(void) const) const
42 bool active_for_predicate = _route_group && (_route_group->*predicate)() && _route_group->is_active();
44 return ((gcd != PBD::Controllable::NoGroup) && (gcd != PBD::Controllable::ForGroup)) &&
46 ((active_for_predicate && (gcd != PBD::Controllable::InverseGroup)) ||
47 (!active_for_predicate && (gcd == PBD::Controllable::InverseGroup)));