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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2013 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Authored by: Marco Trevisan <marco.trevisan@canonical.com>
*/
#include "DecorationsEdgeBorders.h"
#include "DecorationsGrabEdge.h"
namespace unity
{
namespace decoration
{
namespace
{
const RawPixel MIN_CORNER_EDGE = 10_em;
}
EdgeBorders::EdgeBorders(CompWindow* win)
{
scale.changed.connect(sigc::hide(sigc::mem_fun(this, &EdgeBorders::Relayout)));
if (win->actions() & CompWindowActionResizeMask)
{
items_.resize(size_t(Edge::Type::Size));
for (unsigned i = 0; i < unsigned(Edge::Type::Size); ++i)
{
auto type = Edge::Type(i);
if (type == Edge::Type::GRAB)
items_[i] = std::make_shared<GrabEdge>(win);
else
items_[i] = std::make_shared<Edge>(win, type);
}
}
else /*if (win->actions() & CompWindowActionMoveMask)*/
{
items_.resize(size_t(Edge::Type::GRAB) + 1);
items_[unsigned(Edge::Type::GRAB)] = std::make_shared<GrabEdge>(win);
}
Relayout();
}
void EdgeBorders::DoRelayout()
{
auto const& grab_edge = items_[unsigned(Edge::Type::GRAB)];
CompWindow* win = std::static_pointer_cast<GrabEdge>(grab_edge)->Window();
auto const& b = win->border();
auto const& ib = win->input();
using namespace compiz::window::extents;
int min_corner_edge = MIN_CORNER_EDGE.CP(scale);
Extents edges(std::max(ib.left, min_corner_edge),
std::max(ib.right, min_corner_edge),
std::max(ib.top, min_corner_edge),
std::max(ib.bottom, min_corner_edge));
grab_edge->SetCoords(rect_.x() + ib.left, rect_.y() + ib.top - b.top);
grab_edge->SetSize(rect_.width() - ib.left - ib.right, b.top);
if (items_.size() != size_t(Edge::Type::Size))
return;
auto item = items_[unsigned(Edge::Type::TOP)];
item->SetCoords(rect_.x() + edges.left, rect_.y());
item->SetSize(rect_.width() - edges.left - edges.right, edges.top - b.top);
item = items_[unsigned(Edge::Type::TOP_LEFT)];
item->SetCoords(rect_.x(), rect_.y());
item->SetSize(edges.left, edges.top);
item = items_[unsigned(Edge::Type::TOP_RIGHT)];
item->SetCoords(rect_.x2() - edges.right, rect_.y());
item->SetSize(edges.right, edges.top);
item = items_[unsigned(Edge::Type::LEFT)];
item->SetCoords(rect_.x(), rect_.y() + edges.top);
item->SetSize(edges.left, rect_.height() - edges.top - edges.bottom);
item = items_[unsigned(Edge::Type::RIGHT)];
item->SetCoords(rect_.x2() - edges.right, rect_.y() + edges.top);
item->SetSize(edges.right, rect_.height() - edges.top - edges.bottom);
item = items_[unsigned(Edge::Type::BOTTOM)];
item->SetCoords(rect_.x() + edges.left, rect_.y2() - edges.bottom);
item->SetSize(rect_.width() - edges.left - edges.right, edges.bottom);
item = items_[unsigned(Edge::Type::BOTTOM_LEFT)];
item->SetCoords(rect_.x(), rect_.y2() - edges.bottom);
item->SetSize(edges.left, edges.bottom);
item = items_[unsigned(Edge::Type::BOTTOM_RIGHT)];
item->SetCoords(rect_.x2() - edges.right, rect_.y2() - edges.bottom);
item->SetSize(edges.right, edges.bottom);
}
Item::Ptr const& EdgeBorders::GetEdge(Edge::Type type) const
{
return items_[unsigned(type)];
}
} // decoration namespace
} // unity namespace
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