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