/* Copyright (C) 2010 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 #include "pbd/properties.h" #include "pbd/error.h" #include "i18n.h" using namespace PBD; PropertyChange PBD::new_change () { static uint64_t change_bit = 1; /* catch out-of-range */ if (!change_bit) { fatal << _("programming error: ") << "change_bit out of range in ARDOUR::new_change()" << endmsg; /*NOTREACHED*/ } PropertyChange c = PropertyChange (change_bit); change_bit <<= 1; // if it shifts too far, change_bit == 0 return c; }