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/*
* The ManaVerse Client
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2019 The ManaPlus Developers
*
* This file is part of The ManaVerse 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/flowcontainer.h"
#include "debug.h"
FlowContainer::FlowContainer(const Widget2 *const widget,
const int boxWidth,
const int boxHeight) :
Container(widget),
WidgetListener(),
mBoxWidth(boxWidth),
mBoxHeight(boxHeight),
mGridWidth(1),
mGridHeight(1)
{
addWidgetListener(this);
if (mBoxWidth == 0)
mBoxWidth = 1;
if (mBoxHeight == 0)
mBoxHeight = 1;
}
void FlowContainer::widgetResized(const Event &event A_UNUSED)
{
if (getWidth() < mBoxWidth)
{
setWidth(mBoxWidth);
return;
}
const int itemCount = CAST_S32(mWidgets.size());
if (mBoxWidth == 0)
mGridWidth = getWidth();
else
mGridWidth = getWidth() / mBoxWidth;
if (mGridWidth < 1)
mGridWidth = 1;
mGridHeight = itemCount / mGridWidth;
if (itemCount % mGridWidth != 0 || mGridHeight < 1)
++mGridHeight;
int height = mGridHeight * mBoxHeight;
if (getHeight() != height)
{
setHeight(height);
return;
}
int i = 0;
height = 0;
for (WidgetList::const_iterator it = mWidgets.begin();
it != mWidgets.end(); ++it)
{
const int x = i % mGridWidth * mBoxWidth;
(*it)->setPosition(x, height);
i++;
if (i % mGridWidth == 0)
height += mBoxHeight;
}
}
void FlowContainer::add(Widget *const widget)
{
if (widget == nullptr)
return;
Container::add(widget);
widget->setSize(mBoxWidth, mBoxHeight);
widgetResized(Event(nullptr));
}
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