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127 lines
4.3 KiB
127 lines
4.3 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 "uigridlayout.h"
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#include "uiwidget.h"
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#include <framework/core/eventdispatcher.h>
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UIGridLayout::UIGridLayout(UIWidgetPtr parentWidget): UILayout(parentWidget)
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{
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m_cellSize = Size(16,16);
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m_cellSpacing = 0;
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m_numColumns = 1;
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m_numLines = 0;
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}
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void UIGridLayout::applyStyle(const OTMLNodePtr& styleNode)
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{
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UILayout::applyStyle(styleNode);
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for(const OTMLNodePtr& node : styleNode->children()) {
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if(node->tag() == "cell-size")
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setCellSize(node->value<Size>());
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else if(node->tag() == "cell-width")
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setCellWidth(node->value<int>());
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else if(node->tag() == "cell-height")
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setCellHeight(node->value<int>());
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else if(node->tag() == "cell-spacing")
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setCellSpacing(node->value<int>());
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else if(node->tag() == "num-columns")
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setNumColumns(node->value<int>());
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else if(node->tag() == "num-lines")
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setNumLines(node->value<int>());
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else if(node->tag() == "fit-children")
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setFitChildren(node->value<bool>());
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else if(node->tag() == "auto-spacing")
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setAutoSpacing(node->value<bool>());
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else if(node->tag() == "flow")
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setFlow(node->value<bool>());
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}
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}
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void UIGridLayout::removeWidget(const UIWidgetPtr& widget)
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{
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update();
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}
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void UIGridLayout::addWidget(const UIWidgetPtr& widget)
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{
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update();
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}
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bool UIGridLayout::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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Rect clippingRect = parentWidget->getClippingRect();
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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_cellSize.width() + m_cellSpacing);
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int cellSpacing = m_cellSpacing;
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if(m_autoSpacing && numColumns > 1)
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cellSpacing = (clippingRect.width() - numColumns * m_cellSize.width()) / (numColumns - 1);
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int index = 0;
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int preferredHeight = 0;
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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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int line = index / numColumns;
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int column = index % numColumns;
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Point virtualPos = Point(column * (m_cellSize.width() + cellSpacing), line * (m_cellSize.height() + cellSpacing));
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preferredHeight = virtualPos.y + m_cellSize.height();
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Point pos = topLeft + virtualPos - parentWidget->getVirtualOffset();
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Rect dest = Rect(pos, m_cellSize);
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dest.expand(-widget->getMarginTop(), -widget->getMarginRight(), -widget->getMarginBottom(), -widget->getMarginLeft());
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if(widget->setRect(dest))
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changed = true;
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index++;
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if(m_numLines > 0 && index >= m_numColumns * m_numLines)
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break;
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}
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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 height later
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g_eventDispatcher.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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