layouthelper.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * 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
 * 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, see <http://www.gnu.org/licenses/>.
 */
 
#include "gui/widgets/layouthelper.h"
 
#include "gui/widgets/basiccontainer2.h"
#include "gui/widgets/containerplacer.h"
 
#include "debug.h"
 
LayoutHelper::LayoutHelper(BasicContainer2 *const container) :
 WidgetListener(),
 mLayout(),
 mContainer(container)
{
 if (mContainer != nullptr)
 mContainer->addWidgetListener(this);
}
 
LayoutHelper::~LayoutHelper()
{
 if (mContainer != nullptr)
 mContainer->removeWidgetListener(this);
}
 
const Layout &LayoutHelper::getLayout() const
{
 return mLayout;
}
 
LayoutCell &LayoutHelper::place(const int x, const int y,
 Widget *const wg,
 const int w, const int h)
{
 if (mContainer != nullptr)
 mContainer->add(wg);
 return mLayout.place(wg, x, y, w, h);
}
 
ContainerPlacer LayoutHelper::getPlacer(const int x, const int y)
{
 return ContainerPlacer(mContainer, &mLayout.at(x, y));
}
 
void LayoutHelper::reflowLayout(int w, int h)
{
 mLayout.reflow(w, h);
 if (mContainer != nullptr)
 mContainer->setSize(w, h);
}
 
void LayoutHelper::widgetResized(const Event &event A_UNUSED)
{
 if (mContainer == nullptr)
 return;
 const Rect area = mContainer->getChildrenArea();
 int w = area.width;
 int h = area.height;
 mLayout.reflow(w, h);
}