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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 "ardour/pannable.h"
#include "ardour/panner.h"
#include "ardour/pan_controllable.h"

using namespace ARDOUR;

void
PanControllable::actually_set_value (double v, Controllable::GroupControlDisposition group_override)
{
	boost::shared_ptr<Panner> p = owner->panner();

	if (!p) {
		/* no panner: just do it */
		AutomationControl::actually_set_value (v, group_override);
		return;
	}

	bool can_set = false;

	switch (parameter().type()) {
		case PanWidthAutomation:
			can_set = p->clamp_width (v);
			break;
		case PanAzimuthAutomation:
			can_set = p->clamp_position (v);
			break;
		case PanElevationAutomation:
			can_set = p->clamp_elevation (v);
			break;
		default:
			break;
	}

	if (can_set) {
		AutomationControl::actually_set_value (v, group_override);
	}
}

std::string
PanControllable::get_user_string () const
{
	return owner->value_as_string (shared_from_this());
}