tibia-client/src/framework/ui/uiverticallayout.cpp

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/*
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* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
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*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "uiverticallayout.h"
#include "uiwidget.h"
#include <framework/core/eventdispatcher.h>
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void UIVerticalLayout::applyStyle(const OTMLNodePtr& styleNode)
{
UIBoxLayout::applyStyle(styleNode);
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for(const OTMLNodePtr& node : styleNode->children()) {
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if(node->tag() == "align-bottom")
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setAlignBottom(node->value<bool>());
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}
}
bool UIVerticalLayout::internalUpdate()
{
bool changed = false;
UIWidgetPtr parentWidget = getParentWidget();
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if(!parentWidget)
return false;
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UIWidgetList widgets = parentWidget->getChildren();
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if(m_alignBottom)
std::reverse(widgets.begin(), widgets.end());
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Rect clippingRect = parentWidget->getPaddingRect();
Point pos = (m_alignBottom) ? clippingRect.bottomLeft() : clippingRect.topLeft();
int preferredHeight = 0;
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int gap;
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for(const UIWidgetPtr& widget : widgets) {
if(!widget->isExplicitlyVisible())
continue;
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Size size = widget->getSize();
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gap = (m_alignBottom) ? -(widget->getMarginBottom()+widget->getHeight()) : widget->getMarginTop();
pos.y += gap;
preferredHeight += gap;
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if(widget->isFixedSize()) {
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// center it
pos.x = clippingRect.left() + (clippingRect.width() - (widget->getMarginLeft() + widget->getWidth() + widget->getMarginRight()))/2;
pos.x = std::max(pos.x, parentWidget->getX());
} else {
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// expand width
size.setWidth(clippingRect.width() - (widget->getMarginLeft() + widget->getMarginRight()));
pos.x = clippingRect.left() + (clippingRect.width() - size.width())/2;
}
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if(widget->setRect(Rect(pos - parentWidget->getVirtualOffset(), size)))
changed = true;
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gap = (m_alignBottom) ? -widget->getMarginTop() : (widget->getHeight() + widget->getMarginBottom());
gap += m_spacing;
pos.y += gap;
preferredHeight += gap;
}
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preferredHeight -= m_spacing;
preferredHeight += parentWidget->getPaddingTop() + parentWidget->getPaddingBottom();
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if(m_fitChildren && preferredHeight != parentWidget->getHeight()) {
// must set the preferred width later
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g_dispatcher.addEvent([=] {
parentWidget->setHeight(preferredHeight);
});
}
return changed;
}