2019-11-23 20:27:39 +08:00
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/****************************************************************************
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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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/UIHelper.h"
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#include "ui/UIWidget.h"
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#include "ui/UILayoutComponent.h"
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#include "base/CCDirector.h"
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#include "base/ccUTF8.h"
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NS_CC_BEGIN
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2021-12-25 10:04:45 +08:00
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namespace ui
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{
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2019-11-23 20:27:39 +08:00
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static bool _activeLayout = true;
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Widget* Helper::seekWidgetByTag(Widget* root, int tag)
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{
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if (!root)
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{
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return nullptr;
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}
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if (root->getTag() == tag)
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{
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return root;
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}
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const auto& arrayRootChildren = root->getChildren();
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ssize_t length = arrayRootChildren.size();
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for (ssize_t i = 0; i < length; i++)
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{
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Widget* child = dynamic_cast<Widget*>(arrayRootChildren.at(i));
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if (child)
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{
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Widget* res = seekWidgetByTag(child, tag);
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if (res != nullptr)
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{
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return res;
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}
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}
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}
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return nullptr;
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}
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2021-12-26 23:26:34 +08:00
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Widget* Helper::seekWidgetByName(Widget* root, std::string_view name)
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{
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if (!root)
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{
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return nullptr;
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}
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if (root->getName() == name)
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{
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return root;
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}
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const auto& arrayRootChildren = root->getChildren();
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for (auto& subWidget : arrayRootChildren)
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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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Widget* res = seekWidgetByName(child, name);
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if (res != nullptr)
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{
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return res;
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}
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}
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}
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return nullptr;
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}
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/*temp action*/
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Widget* Helper::seekActionWidgetByActionTag(Widget* root, int tag)
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{
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if (!root)
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{
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return nullptr;
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}
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if (root->getActionTag() == tag)
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{
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return root;
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}
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const auto& arrayRootChildren = root->getChildren();
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for (auto& subWidget : arrayRootChildren)
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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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Widget* res = seekActionWidgetByActionTag(child, tag);
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if (res != nullptr)
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{
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return res;
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}
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}
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}
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return nullptr;
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}
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std::string Helper::getSubStringOfUTF8String(std::string_view str,
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std::string::size_type start,
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std::string::size_type length)
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{
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std::u32string utf32;
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if (!StringUtils::UTF8ToUTF32(str, utf32))
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{
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CCLOGERROR("Can't convert string to UTF-32: %s", str.data());
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return "";
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}
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if (utf32.size() < start)
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{
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CCLOGERROR("'start' is out of range: %d, %s", static_cast<int32_t>(start), str.data());
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return "";
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}
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std::string result;
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if (!StringUtils::UTF32ToUTF8(utf32.substr(start, length), result))
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{
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CCLOGERROR("Can't convert internal UTF-32 string to UTF-8: %s", str.data());
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return "";
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}
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return result;
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}
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void Helper::changeLayoutSystemActiveState(bool bActive)
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{
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_activeLayout = bActive;
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}
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void Helper::doLayout(cocos2d::Node* rootNode)
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{
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if (!_activeLayout)
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{
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return;
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}
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for (auto& node : rootNode->getChildren())
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{
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auto com = node->getComponent(__LAYOUT_COMPONENT_NAME);
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Node* parent = node->getParent();
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if (nullptr != com && nullptr != parent)
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{
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LayoutComponent* layoutComponent = (LayoutComponent*)com;
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layoutComponent->refreshLayout();
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}
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}
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}
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Rect Helper::restrictCapInsetRect(const cocos2d::Rect& capInsets, const Vec2& textureSize)
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{
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float x = capInsets.origin.x;
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float y = capInsets.origin.y;
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float width = capInsets.size.width;
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float height = capInsets.size.height;
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if (textureSize.width < width)
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{
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x = textureSize.width / 2.0f;
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width = textureSize.width > 0 ? 1.0f : 0.0f;
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}
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if (textureSize.height < height)
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{
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y = textureSize.height / 2.0f;
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height = textureSize.height > 0 ? 1.0f : 0.0f;
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}
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return Rect(x, y, width, height);
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}
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Rect Helper::convertBoundingBoxToScreen(Node* node)
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{
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auto director = Director::getInstance();
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auto glView = director->getOpenGLView();
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auto frameSize = glView->getFrameSize();
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auto winSize = director->getWinSize();
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auto leftBottom = node->convertToWorldSpace(Point::ZERO);
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auto contentSize = node->getContentSize();
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auto rightTop = node->convertToWorldSpace(Point(contentSize.width, contentSize.height));
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auto uiLeft = frameSize.width / 2 + (leftBottom.x - winSize.width / 2) * glView->getScaleX();
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auto uiTop = frameSize.height / 2 - (rightTop.y - winSize.height / 2) * glView->getScaleY();
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auto uiWidth = (rightTop.x - leftBottom.x) * glView->getScaleX();
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auto uiHeight = (rightTop.y - leftBottom.y) * glView->getScaleY();
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return Rect(uiLeft, uiTop, uiWidth, uiHeight);
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}
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} // namespace ui
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NS_CC_END
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