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livetrax/gtk2_ardour/clock_group.cc

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/*
Copyright (C) 2011 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 "clock_group.h"
ClockGroup::ClockGroup ()
: ignore_changes (false)
, _clock_mode (AudioClock::Frames)
{
}
ClockGroup::~ClockGroup()
{
}
void
ClockGroup::add (AudioClock& clock)
{
if (clocks.insert (&clock).second) {
clock.mode_changed.connect (sigc::bind (sigc::mem_fun (*this, &ClockGroup::one_clock_changed), &clock));
clock.set_mode (_clock_mode);
}
}
void
ClockGroup::remove (AudioClock& clock)
{
clocks.erase (&clock);
}
void
ClockGroup::one_clock_changed (AudioClock* clock)
{
if (!ignore_changes) {
set_clock_mode (clock->mode());
}
}
void
ClockGroup::set_clock_mode (AudioClock::Mode mode)
{
_clock_mode = mode;
ignore_changes = true;
for (std::set<AudioClock*>::iterator c = clocks.begin(); c != clocks.end(); ++c) {
(*c)->set_mode (mode);
}
ignore_changes = false;
}