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

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/*
* Copyright (c) 2010-2013 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 "uigridlayout.h"
#include "uiwidget.h"
#include <framework/core/eventdispatcher.h>
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UIGridLayout::UIGridLayout(UIWidgetPtr parentWidget): UILayout(parentWidget)
{
m_cellSize = Size(16,16);
m_cellSpacing = 0;
m_numColumns = 1;
m_numLines = 0;
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}
void UIGridLayout::applyStyle(const OTMLNodePtr& styleNode)
{
UILayout::applyStyle(styleNode);
for(const OTMLNodePtr& node : styleNode->children()) {
if(node->tag() == "cell-size")
setCellSize(node->value<Size>());
else if(node->tag() == "cell-width")
setCellWidth(node->value<int>());
else if(node->tag() == "cell-height")
setCellHeight(node->value<int>());
else if(node->tag() == "cell-spacing")
setCellSpacing(node->value<int>());
else if(node->tag() == "num-columns")
setNumColumns(node->value<int>());
else if(node->tag() == "num-lines")
setNumLines(node->value<int>());
else if(node->tag() == "fit-children")
setFitChildren(node->value<bool>());
else if(node->tag() == "auto-spacing")
setAutoSpacing(node->value<bool>());
else if(node->tag() == "flow")
setFlow(node->value<bool>());
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}
}
void UIGridLayout::removeWidget(const UIWidgetPtr& widget)
{
update();
}
void UIGridLayout::addWidget(const UIWidgetPtr& widget)
{
update();
}
bool UIGridLayout::internalUpdate()
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{
bool changed = false;
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UIWidgetPtr parentWidget = getParentWidget();
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if(!parentWidget)
return false;
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UIWidgetList widgets = parentWidget->getChildren();
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Rect clippingRect = parentWidget->getPaddingRect();
Point topLeft = clippingRect.topLeft();
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int numColumns = m_numColumns;
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if(m_flow && m_cellSize.width() > 0) {
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numColumns = (clippingRect.width() + m_cellSpacing) / (m_cellSize.width() + m_cellSpacing);
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if(numColumns > 0) {
m_numColumns = numColumns;
m_numLines = std::ceil(widgets.size() / (float)numColumns);
}
}
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if(numColumns <= 0)
numColumns = 1;
int cellSpacing = m_cellSpacing;
if(m_autoSpacing && numColumns > 1)
cellSpacing = (clippingRect.width() - numColumns * m_cellSize.width()) / (numColumns - 1);
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int index = 0;
int preferredHeight = 0;
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for(const UIWidgetPtr& widget : widgets) {
if(!widget->isExplicitlyVisible())
continue;
int line = index / numColumns;
int column = index % numColumns;
Point virtualPos = Point(column * (m_cellSize.width() + cellSpacing), line * (m_cellSize.height() + cellSpacing));
preferredHeight = virtualPos.y + m_cellSize.height();
Point pos = topLeft + virtualPos - parentWidget->getVirtualOffset();
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Rect dest = Rect(pos, m_cellSize);
dest.expand(-widget->getMarginTop(), -widget->getMarginRight(), -widget->getMarginBottom(), -widget->getMarginLeft());
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if(widget->setRect(dest))
changed = true;
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index++;
if(m_numLines > 0 && index >= m_numColumns * m_numLines)
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break;
}
preferredHeight += parentWidget->getPaddingTop() + parentWidget->getPaddingBottom();
if(m_fitChildren && preferredHeight != parentWidget->getHeight()) {
// must set the preferred height later
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g_dispatcher.addEvent([=] {
parentWidget->setHeight(preferredHeight);
});
}
return changed;
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}