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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/* Compiz unity plugin
* unity.cpp
*
* Copyright (c) 2010-11 Canonical Ltd.
*
* 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 3
* 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.
*
* Your own copyright notice would go above. You are free to choose whatever
* licence you want, just take note that some compiz code is GPL and you will
* not be able to re-use it if you want to use a different licence.
*/
#include <iostream>
#include <algorithm>
#include "DeltaRestrainment-Inl.h"
void
unity::util::restrainDelta(int &dx,
int &dy,
nux::Geometry const &rect,
nux::Point const ¤tPoint)
{
int restrain_x = std::min(0, (rect.x + rect.width) - (currentPoint.x + dx));
int restrain_y = std::min(0, (rect.y + rect.height) - (currentPoint.y + dy));
restrain_x += rect.x - std::min(rect.x, currentPoint.x + dx);
restrain_y += rect.y - std::min(rect.y, currentPoint.y + dy);
dx += restrain_x;
dy += restrain_y;
}
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