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libs/pbd/property.cc
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libs/pbd/property.cc
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/*
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Copyright (C) 2010 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "pbd/properties.h"
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#include "pbd/error.h"
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#include "i18n.h"
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using namespace PBD;
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PropertyChange
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new_change ()
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{
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static uint64_t change_bit = 1;
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/* catch out-of-range */
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if (!change_bit) {
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fatal << _("programming error: ")
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<< "change_bit out of range in ARDOUR::new_change()"
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<< endmsg;
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/*NOTREACHED*/
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}
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PropertyChange c = PropertyChange (change_bit);
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change_bit <<= 1; // if it shifts too far, change_bit == 0
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return c;
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}
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