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/* |
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* The ManaPlus Client |
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* Copyright (C) 2009-2010 The Mana Developers |
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* Copyright (C) 2011-2019 The ManaPlus Developers |
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* Copyright (C) 2019-2021 Andrei Karas |
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* |
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* This file is part of The ManaPlus Client. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include "gui/widgets/flowcontainer.h" |
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#include "debug.h" |
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FlowContainer::FlowContainer(const Widget2 *const widget, |
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const int boxWidth, |
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const int boxHeight) : |
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Container(widget), |
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WidgetListener(), |
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mBoxWidth(boxWidth), |
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mBoxHeight(boxHeight), |
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mGridWidth(1), |
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mGridHeight(1) |
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{ |
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addWidgetListener(this); |
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if (mBoxWidth == 0) |
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mBoxWidth = 1; |
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if (mBoxHeight == 0) |
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mBoxHeight = 1; |
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} |
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void FlowContainer::widgetResized(const Event &event A_UNUSED) |
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{ |
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if (getWidth() < mBoxWidth) |
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{ |
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setWidth(mBoxWidth); |
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return; |
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} |
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const int itemCount = CAST_S32(mWidgets.size()); |
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if (mBoxWidth == 0) |
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mGridWidth = getWidth(); |
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else |
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mGridWidth = getWidth() / mBoxWidth; |
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if (mGridWidth < 1) |
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mGridWidth = 1; |
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mGridHeight = itemCount / mGridWidth; |
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if (itemCount % mGridWidth != 0 || mGridHeight < 1) |
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++mGridHeight; |
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int height = mGridHeight * mBoxHeight; |
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if (getHeight() != height) |
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{ |
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setHeight(height); |
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return; |
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} |
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int i = 0; |
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height = 0; |
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for (WidgetList::const_iterator it = mWidgets.begin(); |
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it != mWidgets.end(); ++it) |
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{ |
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const int x = i % mGridWidth * mBoxWidth; |
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(*it)->setPosition(x, height); |
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i++; |
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if (i % mGridWidth == 0) |
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height += mBoxHeight; |
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} |
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} |
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void FlowContainer::add(Widget *const widget) |
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{ |
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if (widget == nullptr) |
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return; |
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Container::add(widget); |
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widget->setSize(mBoxWidth, mBoxHeight); |
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widgetResized(Event(nullptr)); |
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} |