mirror of https://github.com/axmolengine/axmol.git
578 lines
22 KiB
C++
578 lines
22 KiB
C++
/****************************************************************************
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Copyright (c) 2013-2017 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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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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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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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 "ui/UILayoutManager.h"
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#include "ui/UILayout.h"
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NS_CC_BEGIN
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namespace ui {
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LinearHorizontalLayoutManager* LinearHorizontalLayoutManager::create()
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{
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LinearHorizontalLayoutManager* exe = new (std::nothrow) LinearHorizontalLayoutManager();
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if (exe)
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{
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exe->autorelease();
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return exe;
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}
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CC_SAFE_DELETE(exe);
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return nullptr;
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}
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void LinearHorizontalLayoutManager::doLayout(LayoutProtocol* layout)
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{
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Size layoutSize = layout->getLayoutContentSize();
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Vector<Node*> container = layout->getLayoutElements();
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float leftBoundary = 0.0f;
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for (auto& subWidget : container)
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{
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Widget* child = dynamic_cast<Widget*>(subWidget);
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if (child)
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{
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LinearLayoutParameter* layoutParameter = dynamic_cast<LinearLayoutParameter*>(child->getLayoutParameter());
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if (layoutParameter)
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{
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LinearLayoutParameter::LinearGravity childGravity = layoutParameter->getGravity();
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Vec2 ap = child->getAnchorPoint();
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Size cs = child->getBoundingBox().size;
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float finalPosX = leftBoundary + (ap.x * cs.width);
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float finalPosY = layoutSize.height - (1.0f - ap.y) * cs.height;
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switch (childGravity)
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{
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case LinearLayoutParameter::LinearGravity::NONE:
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case LinearLayoutParameter::LinearGravity::TOP:
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break;
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case LinearLayoutParameter::LinearGravity::BOTTOM:
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finalPosY = ap.y * cs.height;
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break;
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case LinearLayoutParameter::LinearGravity::CENTER_VERTICAL:
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finalPosY = layoutSize.height / 2.0f - cs.height * (0.5f - ap.y);
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break;
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default:
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break;
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}
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Margin mg = layoutParameter->getMargin();
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finalPosX += mg.left;
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finalPosY -= mg.top;
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child->setPosition(Vec2(finalPosX, finalPosY));
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leftBoundary = child->getRightBoundary() + mg.right;
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}
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}
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}
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}
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//LinearVerticalLayoutManager
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LinearVerticalLayoutManager* LinearVerticalLayoutManager::create()
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{
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LinearVerticalLayoutManager* exe = new (std::nothrow) LinearVerticalLayoutManager();
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if (exe)
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{
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exe->autorelease();
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return exe;
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}
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CC_SAFE_DELETE(exe);
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return nullptr;
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}
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void LinearVerticalLayoutManager::doLayout(LayoutProtocol* layout)
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{
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Size layoutSize = layout->getLayoutContentSize();
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Vector<Node*> container = layout->getLayoutElements();
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float topBoundary = layoutSize.height;
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for (auto& subWidget : container)
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{
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LayoutParameterProtocol* child = dynamic_cast<LayoutParameterProtocol*>(subWidget);
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if (child)
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{
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LinearLayoutParameter* layoutParameter = dynamic_cast<LinearLayoutParameter*>(child->getLayoutParameter());
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if (layoutParameter)
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{
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LinearLayoutParameter::LinearGravity childGravity = layoutParameter->getGravity();
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Vec2 ap = subWidget->getAnchorPoint();
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Size cs = subWidget->getBoundingBox().size;
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float finalPosX = ap.x * cs.width;
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float finalPosY = topBoundary - ((1.0f-ap.y) * cs.height);
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switch (childGravity)
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{
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case LinearLayoutParameter::LinearGravity::NONE:
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case LinearLayoutParameter::LinearGravity::LEFT:
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break;
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case LinearLayoutParameter::LinearGravity::RIGHT:
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finalPosX = layoutSize.width - ((1.0f - ap.x) * cs.width);
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break;
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case LinearLayoutParameter::LinearGravity::CENTER_HORIZONTAL:
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finalPosX = layoutSize.width / 2.0f - cs.width * (0.5f-ap.x);
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break;
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default:
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break;
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}
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Margin mg = layoutParameter->getMargin();
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finalPosX += mg.left;
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finalPosY -= mg.top;
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subWidget->setPosition(finalPosX, finalPosY);
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topBoundary = subWidget->getPosition().y - subWidget->getAnchorPoint().y * subWidget->getBoundingBox().size.height - mg.bottom;
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}
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}
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}
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}
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//RelativeLayoutManager
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RelativeLayoutManager* RelativeLayoutManager::create()
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{
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RelativeLayoutManager* exe = new (std::nothrow) RelativeLayoutManager();
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if (exe)
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{
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exe->autorelease();
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return exe;
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}
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CC_SAFE_DELETE(exe);
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return nullptr;
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}
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Vector<Widget*> RelativeLayoutManager::getAllWidgets(cocos2d::ui::LayoutProtocol *layout)
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{
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Vector<Node*> container = layout->getLayoutElements();
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Vector<Widget*> widgetChildren;
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for (auto& subWidget : container)
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{
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Widget* child = dynamic_cast<Widget*>(subWidget);
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if (child)
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{
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RelativeLayoutParameter* layoutParameter = dynamic_cast<RelativeLayoutParameter*>(child->getLayoutParameter());
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layoutParameter->_put = false;
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_unlayoutChildCount++;
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widgetChildren.pushBack(child);
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}
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}
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return widgetChildren;
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}
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Widget* RelativeLayoutManager::getRelativeWidget(Widget* widget)
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{
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Widget* relativeWidget = nullptr;
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RelativeLayoutParameter* layoutParameter = dynamic_cast<RelativeLayoutParameter*>(widget->getLayoutParameter());
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const std::string relativeName = layoutParameter->getRelativeToWidgetName();
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if (!relativeName.empty())
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{
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for (auto& sWidget : _widgetChildren)
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{
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if (sWidget)
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{
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RelativeLayoutParameter* rlayoutParameter = dynamic_cast<RelativeLayoutParameter*>(sWidget->getLayoutParameter());
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if (rlayoutParameter && rlayoutParameter->getRelativeName() == relativeName)
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{
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relativeWidget = sWidget;
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_relativeWidgetLP = rlayoutParameter;
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break;
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}
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}
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}
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}
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return relativeWidget;
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}
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bool RelativeLayoutManager::calculateFinalPositionWithRelativeWidget(LayoutProtocol *layout)
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{
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Vec2 ap = _widget->getAnchorPoint();
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Size cs = _widget->getBoundingBox().size;
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_finalPositionX = 0.0f;
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_finalPositionY = 0.0f;
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Widget* relativeWidget = this->getRelativeWidget(_widget);
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RelativeLayoutParameter* layoutParameter = dynamic_cast<RelativeLayoutParameter*>(_widget->getLayoutParameter());
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RelativeLayoutParameter::RelativeAlign align = layoutParameter->getAlign();
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Size layoutSize = layout->getLayoutContentSize();
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switch (align)
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{
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case RelativeLayoutParameter::RelativeAlign::NONE:
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case RelativeLayoutParameter::RelativeAlign::PARENT_TOP_LEFT:
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_finalPositionX = ap.x * cs.width;
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_finalPositionY = layoutSize.height - ((1.0f - ap.y) * cs.height);
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_TOP_CENTER_HORIZONTAL:
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_finalPositionX = layoutSize.width * 0.5f - cs.width * (0.5f - ap.x);
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_finalPositionY = layoutSize.height - ((1.0f - ap.y) * cs.height);
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_TOP_RIGHT:
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_finalPositionX = layoutSize.width - ((1.0f - ap.x) * cs.width);
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_finalPositionY = layoutSize.height - ((1.0f - ap.y) * cs.height);
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_LEFT_CENTER_VERTICAL:
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_finalPositionX = ap.x * cs.width;
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_finalPositionY = layoutSize.height * 0.5f - cs.height * (0.5f - ap.y);
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break;
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case RelativeLayoutParameter::RelativeAlign::CENTER_IN_PARENT:
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_finalPositionX = layoutSize.width * 0.5f - cs.width * (0.5f - ap.x);
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_finalPositionY = layoutSize.height * 0.5f - cs.height * (0.5f - ap.y);
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_RIGHT_CENTER_VERTICAL:
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_finalPositionX = layoutSize.width - ((1.0f - ap.x) * cs.width);
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_finalPositionY = layoutSize.height * 0.5f - cs.height * (0.5f - ap.y);
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_LEFT_BOTTOM:
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_finalPositionX = ap.x * cs.width;
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_finalPositionY = ap.y * cs.height;
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_BOTTOM_CENTER_HORIZONTAL:
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_finalPositionX = layoutSize.width * 0.5f - cs.width * (0.5f - ap.x);
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_finalPositionY = ap.y * cs.height;
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_RIGHT_BOTTOM:
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_finalPositionX = layoutSize.width - ((1.0f - ap.x) * cs.width);
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_finalPositionY = ap.y * cs.height;
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_ABOVE_LEFTALIGN:
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if (relativeWidget)
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{
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if (_relativeWidgetLP && !_relativeWidgetLP->_put)
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{
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return false;
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}
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float locationTop = relativeWidget->getTopBoundary();
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float locationLeft = relativeWidget->getLeftBoundary();
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_finalPositionY = locationTop + ap.y * cs.height;
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_finalPositionX = locationLeft + ap.x * cs.width;
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}
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_ABOVE_CENTER:
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if (relativeWidget)
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{
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if (_relativeWidgetLP && !_relativeWidgetLP->_put)
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{
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return false;
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}
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Size rbs = relativeWidget->getBoundingBox().size;
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float locationTop = relativeWidget->getTopBoundary();
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_finalPositionY = locationTop + ap.y * cs.height;
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_finalPositionX = relativeWidget->getLeftBoundary() + rbs.width * 0.5f + ap.x * cs.width - cs.width * 0.5f;
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}
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_ABOVE_RIGHTALIGN:
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if (relativeWidget)
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{
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if (_relativeWidgetLP && !_relativeWidgetLP->_put)
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{
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return false;
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}
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float locationTop = relativeWidget->getTopBoundary();
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float locationRight = relativeWidget->getRightBoundary();
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_finalPositionY = locationTop + ap.y * cs.height;
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_finalPositionX = locationRight - (1.0f - ap.x) * cs.width;
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}
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_LEFT_OF_TOPALIGN:
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if (relativeWidget)
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{
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if (_relativeWidgetLP && !_relativeWidgetLP->_put)
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{
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return false;
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}
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float locationTop = relativeWidget->getTopBoundary();
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float locationLeft = relativeWidget->getLeftBoundary();
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_finalPositionY = locationTop - (1.0f - ap.y) * cs.height;
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_finalPositionX = locationLeft - (1.0f - ap.x) * cs.width;
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}
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_LEFT_OF_CENTER:
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if (relativeWidget)
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{
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if (_relativeWidgetLP && !_relativeWidgetLP->_put)
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{
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return false;
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}
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Size rbs = relativeWidget->getBoundingBox().size;
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float locationLeft = relativeWidget->getLeftBoundary();
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_finalPositionX = locationLeft - (1.0f - ap.x) * cs.width;
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_finalPositionY = relativeWidget->getBottomBoundary() + rbs.height * 0.5f + ap.y * cs.height - cs.height * 0.5f;
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}
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_LEFT_OF_BOTTOMALIGN:
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if (relativeWidget)
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{
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if (_relativeWidgetLP && !_relativeWidgetLP->_put)
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{
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return false;
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}
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float locationBottom = relativeWidget->getBottomBoundary();
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float locationLeft = relativeWidget->getLeftBoundary();
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_finalPositionY = locationBottom + ap.y * cs.height;
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_finalPositionX = locationLeft - (1.0f - ap.x) * cs.width;
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}
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_RIGHT_OF_TOPALIGN:
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if (relativeWidget)
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{
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if (_relativeWidgetLP && !_relativeWidgetLP->_put)
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{
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return false;
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}
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float locationTop = relativeWidget->getTopBoundary();
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float locationRight = relativeWidget->getRightBoundary();
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_finalPositionY = locationTop - (1.0f - ap.y) * cs.height;
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_finalPositionX = locationRight + ap.x * cs.width;
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}
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_RIGHT_OF_CENTER:
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if (relativeWidget)
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{
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if (_relativeWidgetLP && !_relativeWidgetLP->_put)
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{
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return false;
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}
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Size rbs = relativeWidget->getBoundingBox().size;
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float locationRight = relativeWidget->getRightBoundary();
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_finalPositionX = locationRight + ap.x * cs.width;
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_finalPositionY = relativeWidget->getBottomBoundary() + rbs.height * 0.5f + ap.y * cs.height - cs.height * 0.5f;
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}
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_RIGHT_OF_BOTTOMALIGN:
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if (relativeWidget)
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{
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if (_relativeWidgetLP && !_relativeWidgetLP->_put)
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{
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return false;
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}
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float locationBottom = relativeWidget->getBottomBoundary();
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float locationRight = relativeWidget->getRightBoundary();
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_finalPositionY = locationBottom + ap.y * cs.height;
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_finalPositionX = locationRight + ap.x * cs.width;
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}
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_BELOW_LEFTALIGN:
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if (relativeWidget)
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{
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if (_relativeWidgetLP && !_relativeWidgetLP->_put)
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{
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return false;
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}
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float locationBottom = relativeWidget->getBottomBoundary();
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float locationLeft = relativeWidget->getLeftBoundary();
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_finalPositionY = locationBottom - (1.0f - ap.y) * cs.height;
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_finalPositionX = locationLeft + ap.x * cs.width;
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}
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_BELOW_CENTER:
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if (relativeWidget)
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{
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if (_relativeWidgetLP && !_relativeWidgetLP->_put)
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{
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return false;
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}
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Size rbs = relativeWidget->getBoundingBox().size;
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float locationBottom = relativeWidget->getBottomBoundary();
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_finalPositionY = locationBottom - (1.0f - ap.y) * cs.height;
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_finalPositionX = relativeWidget->getLeftBoundary() + rbs.width * 0.5f + ap.x * cs.width - cs.width * 0.5f;
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}
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_BELOW_RIGHTALIGN:
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if (relativeWidget)
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{
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if (_relativeWidgetLP && !_relativeWidgetLP->_put)
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{
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return false;
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}
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float locationBottom = relativeWidget->getBottomBoundary();
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float locationRight = relativeWidget->getRightBoundary();
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_finalPositionY = locationBottom - (1.0f - ap.y) * cs.height;
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_finalPositionX = locationRight - (1.0f - ap.x) * cs.width;
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}
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break;
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default:
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break;
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}
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return true;
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}
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void RelativeLayoutManager::calculateFinalPositionWithRelativeAlign()
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{
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RelativeLayoutParameter* layoutParameter = dynamic_cast<RelativeLayoutParameter*>(_widget->getLayoutParameter());
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Margin mg = layoutParameter->getMargin();
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RelativeLayoutParameter::RelativeAlign align = layoutParameter->getAlign();
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//handle margin
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switch (align)
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{
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case RelativeLayoutParameter::RelativeAlign::NONE:
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case RelativeLayoutParameter::RelativeAlign::PARENT_TOP_LEFT:
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_finalPositionX += mg.left;
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_finalPositionY -= mg.top;
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_TOP_CENTER_HORIZONTAL:
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_finalPositionY -= mg.top;
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_TOP_RIGHT:
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_finalPositionX -= mg.right;
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_finalPositionY -= mg.top;
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_LEFT_CENTER_VERTICAL:
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_finalPositionX += mg.left;
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break;
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case RelativeLayoutParameter::RelativeAlign::CENTER_IN_PARENT:
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_RIGHT_CENTER_VERTICAL:
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_finalPositionX -= mg.right;
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_LEFT_BOTTOM:
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_finalPositionX += mg.left;
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_finalPositionY += mg.bottom;
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_BOTTOM_CENTER_HORIZONTAL:
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_finalPositionY += mg.bottom;
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break;
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case RelativeLayoutParameter::RelativeAlign::PARENT_RIGHT_BOTTOM:
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_finalPositionX -= mg.right;
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_finalPositionY += mg.bottom;
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_ABOVE_LEFTALIGN:
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_finalPositionY += mg.bottom;
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_finalPositionX += mg.left;
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_ABOVE_RIGHTALIGN:
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_finalPositionY += mg.bottom;
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_finalPositionX -= mg.right;
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_ABOVE_CENTER:
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_finalPositionY += mg.bottom;
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_LEFT_OF_TOPALIGN:
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_finalPositionX -= mg.right;
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_finalPositionY -= mg.top;
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_LEFT_OF_BOTTOMALIGN:
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_finalPositionX -= mg.right;
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_finalPositionY += mg.bottom;
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_LEFT_OF_CENTER:
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_finalPositionX -= mg.right;
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break;
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case RelativeLayoutParameter::RelativeAlign::LOCATION_RIGHT_OF_TOPALIGN:
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_finalPositionX += mg.left;
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_finalPositionY -= mg.top;
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break;
|
|
case RelativeLayoutParameter::RelativeAlign::LOCATION_RIGHT_OF_BOTTOMALIGN:
|
|
_finalPositionX += mg.left;
|
|
_finalPositionY += mg.bottom;
|
|
break;
|
|
case RelativeLayoutParameter::RelativeAlign::LOCATION_RIGHT_OF_CENTER:
|
|
_finalPositionX += mg.left;
|
|
break;
|
|
|
|
case RelativeLayoutParameter::RelativeAlign::LOCATION_BELOW_LEFTALIGN:
|
|
_finalPositionY -= mg.top;
|
|
_finalPositionX += mg.left;
|
|
break;
|
|
case RelativeLayoutParameter::RelativeAlign::LOCATION_BELOW_RIGHTALIGN:
|
|
_finalPositionY -= mg.top;
|
|
_finalPositionX -= mg.right;
|
|
break;
|
|
case RelativeLayoutParameter::RelativeAlign::LOCATION_BELOW_CENTER:
|
|
_finalPositionY -= mg.top;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool RelativeLayoutManager::caculateFinalPositionWithRelativeWidget(LayoutProtocol *layout)
|
|
{
|
|
return calculateFinalPositionWithRelativeWidget(layout);
|
|
}
|
|
|
|
void RelativeLayoutManager::caculateFinalPositionWithRelativeAlign()
|
|
{
|
|
calculateFinalPositionWithRelativeAlign();
|
|
}
|
|
|
|
void RelativeLayoutManager::doLayout(LayoutProtocol *layout)
|
|
{
|
|
|
|
_widgetChildren = this->getAllWidgets(layout);
|
|
|
|
while (_unlayoutChildCount > 0)
|
|
{
|
|
for (auto& subWidget : _widgetChildren)
|
|
{
|
|
_widget = static_cast<Widget*>(subWidget);
|
|
|
|
RelativeLayoutParameter* layoutParameter = dynamic_cast<RelativeLayoutParameter*>(_widget->getLayoutParameter());
|
|
|
|
if (layoutParameter)
|
|
{
|
|
if (layoutParameter->_put)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
|
|
bool ret = this->calculateFinalPositionWithRelativeWidget(layout);
|
|
if (!ret) {
|
|
continue;
|
|
}
|
|
|
|
this->calculateFinalPositionWithRelativeAlign();
|
|
|
|
|
|
_widget->setPosition(Vec2(_finalPositionX, _finalPositionY));
|
|
|
|
layoutParameter->_put = true;
|
|
}
|
|
}
|
|
_unlayoutChildCount--;
|
|
|
|
}
|
|
_widgetChildren.clear();
|
|
}
|
|
|
|
}
|
|
|
|
NS_CC_END
|