/**************************************************************************** Copyright (c) 2013-2016 Chukong Technologies Inc. Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd. http://www.cocos2d-x.org 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 "ui/UILayoutManager.h" #include "ui/UILayout.h" NS_CC_BEGIN namespace ui { LinearHorizontalLayoutManager* LinearHorizontalLayoutManager::create() { LinearHorizontalLayoutManager* exe = new (std::nothrow) LinearHorizontalLayoutManager(); if (exe) { exe->autorelease(); return exe; } CC_SAFE_DELETE(exe); return nullptr; } void LinearHorizontalLayoutManager::doLayout(LayoutProtocol* layout) { Size layoutSize = layout->getLayoutContentSize(); Vector container = layout->getLayoutElements(); float leftBoundary = 0.0f; for (auto& subWidget : container) { Widget* child = dynamic_cast(subWidget); if (child) { LinearLayoutParameter* layoutParameter = dynamic_cast(child->getLayoutParameter()); if (layoutParameter) { LinearLayoutParameter::LinearGravity childGravity = layoutParameter->getGravity(); Vec2 ap = child->getAnchorPoint(); Size cs = child->getBoundingBox().size; float finalPosX = leftBoundary + (ap.x * cs.width); float finalPosY = layoutSize.height - (1.0f - ap.y) * cs.height; switch (childGravity) { case LinearLayoutParameter::LinearGravity::NONE: case LinearLayoutParameter::LinearGravity::TOP: break; case LinearLayoutParameter::LinearGravity::BOTTOM: finalPosY = ap.y * cs.height; break; case LinearLayoutParameter::LinearGravity::CENTER_VERTICAL: finalPosY = layoutSize.height / 2.0f - cs.height * (0.5f - ap.y); break; default: break; } Margin mg = layoutParameter->getMargin(); finalPosX += mg.left; finalPosY -= mg.top; child->setPosition(Vec2(finalPosX, finalPosY)); leftBoundary = child->getRightBoundary() + mg.right; } } } } //LinearVerticalLayoutManager LinearVerticalLayoutManager* LinearVerticalLayoutManager::create() { LinearVerticalLayoutManager* exe = new (std::nothrow) LinearVerticalLayoutManager(); if (exe) { exe->autorelease(); return exe; } CC_SAFE_DELETE(exe); return nullptr; } void LinearVerticalLayoutManager::doLayout(LayoutProtocol* layout) { Size layoutSize = layout->getLayoutContentSize(); Vector container = layout->getLayoutElements(); float topBoundary = layoutSize.height; for (auto& subWidget : container) { LayoutParameterProtocol* child = dynamic_cast(subWidget); if (child) { LinearLayoutParameter* layoutParameter = dynamic_cast(child->getLayoutParameter()); if (layoutParameter) { LinearLayoutParameter::LinearGravity childGravity = layoutParameter->getGravity(); Vec2 ap = subWidget->getAnchorPoint(); Size cs = subWidget->getBoundingBox().size; float finalPosX = ap.x * cs.width; float finalPosY = topBoundary - ((1.0f-ap.y) * cs.height); switch (childGravity) { case LinearLayoutParameter::LinearGravity::NONE: case LinearLayoutParameter::LinearGravity::LEFT: break; case LinearLayoutParameter::LinearGravity::RIGHT: finalPosX = layoutSize.width - ((1.0f - ap.x) * cs.width); break; case LinearLayoutParameter::LinearGravity::CENTER_HORIZONTAL: finalPosX = layoutSize.width / 2.0f - cs.width * (0.5f-ap.x); break; default: break; } Margin mg = layoutParameter->getMargin(); finalPosX += mg.left; finalPosY -= mg.top; subWidget->setPosition(finalPosX, finalPosY); topBoundary = subWidget->getPosition().y - subWidget->getAnchorPoint().y * subWidget->getBoundingBox().size.height - mg.bottom; } } } } //LinearCenterVerticalLayoutManager LinearCenterVerticalLayoutManager* LinearCenterVerticalLayoutManager::create() { auto* exe = new (std::nothrow) LinearCenterVerticalLayoutManager(); if (exe) { exe->autorelease(); return exe; } CC_SAFE_DELETE(exe); return nullptr; } void LinearCenterVerticalLayoutManager::doLayout(LayoutProtocol* layout) { const auto layoutSize = layout->getLayoutContentSize(); auto&& container = layout->getLayoutElements(); auto topBoundary = layoutSize.height; auto totalHeight = 0.f; // need to get total sub-widget height for (auto&& subWidget : container) { auto* child = dynamic_cast(subWidget); if (child) { auto* layoutParameter = dynamic_cast(child->getLayoutParameter()); if (layoutParameter) { auto&& mg = layoutParameter->getMargin(); totalHeight += subWidget->getBoundingBox().size.height + mg.top + mg.bottom; } } } topBoundary = topBoundary - (topBoundary - totalHeight) / 2.f; for (auto&& subWidget : container) { auto* child = dynamic_cast(subWidget); if (child) { auto* layoutParameter = dynamic_cast(child->getLayoutParameter()); if (layoutParameter) { const auto childGravity = layoutParameter->getGravity(); const auto ap = subWidget->getAnchorPoint(); const auto cs = subWidget->getBoundingBox().size; auto finalPosX = ap.x * cs.width; auto finalPosY = topBoundary - ((1.0f - ap.y) * cs.height); switch (childGravity) { case LinearLayoutParameter::LinearGravity::NONE: case LinearLayoutParameter::LinearGravity::LEFT: break; case LinearLayoutParameter::LinearGravity::RIGHT: finalPosX = layoutSize.width - ((1.0f - ap.x) * cs.width); break; case LinearLayoutParameter::LinearGravity::CENTER_HORIZONTAL: finalPosX = layoutSize.width / 2.0f - cs.width * (0.5f - ap.x); break; default: break; } auto&& mg = layoutParameter->getMargin(); finalPosX += mg.left; finalPosY -= mg.top; subWidget->setPosition(finalPosX, finalPosY); topBoundary = subWidget->getPosition().y - subWidget->getAnchorPoint().y * subWidget->getBoundingBox().size.height - mg.bottom; } } } } //RelativeLayoutManager RelativeLayoutManager* RelativeLayoutManager::create() { RelativeLayoutManager* exe = new (std::nothrow) RelativeLayoutManager(); if (exe) { exe->autorelease(); return exe; } CC_SAFE_DELETE(exe); return nullptr; } Vector RelativeLayoutManager::getAllWidgets(cocos2d::ui::LayoutProtocol *layout) { Vector container = layout->getLayoutElements(); Vector widgetChildren; for (auto& subWidget : container) { Widget* child = dynamic_cast(subWidget); if (child) { RelativeLayoutParameter* layoutParameter = dynamic_cast(child->getLayoutParameter()); layoutParameter->_put = false; _unlayoutChildCount++; widgetChildren.pushBack(child); } } return widgetChildren; } Widget* RelativeLayoutManager::getRelativeWidget(Widget* widget) { Widget* relativeWidget = nullptr; RelativeLayoutParameter* layoutParameter = dynamic_cast(widget->getLayoutParameter()); const std::string relativeName = layoutParameter->getRelativeToWidgetName(); if (!relativeName.empty()) { for (auto& sWidget : _widgetChildren) { if (sWidget) { RelativeLayoutParameter* rlayoutParameter = dynamic_cast(sWidget->getLayoutParameter()); if (rlayoutParameter && rlayoutParameter->getRelativeName() == relativeName) { relativeWidget = sWidget; _relativeWidgetLP = rlayoutParameter; break; } } } } return relativeWidget; } bool RelativeLayoutManager::calculateFinalPositionWithRelativeWidget(LayoutProtocol *layout) { Vec2 ap = _widget->getAnchorPoint(); Size cs = _widget->getBoundingBox().size; _finalPositionX = 0.0f; _finalPositionY = 0.0f; Widget* relativeWidget = this->getRelativeWidget(_widget); RelativeLayoutParameter* layoutParameter = dynamic_cast(_widget->getLayoutParameter()); RelativeLayoutParameter::RelativeAlign align = layoutParameter->getAlign(); Size layoutSize = layout->getLayoutContentSize(); switch (align) { case RelativeLayoutParameter::RelativeAlign::NONE: case RelativeLayoutParameter::RelativeAlign::PARENT_TOP_LEFT: _finalPositionX = ap.x * cs.width; _finalPositionY = layoutSize.height - ((1.0f - ap.y) * cs.height); break; case RelativeLayoutParameter::RelativeAlign::PARENT_TOP_CENTER_HORIZONTAL: _finalPositionX = layoutSize.width * 0.5f - cs.width * (0.5f - ap.x); _finalPositionY = layoutSize.height - ((1.0f - ap.y) * cs.height); break; case RelativeLayoutParameter::RelativeAlign::PARENT_TOP_RIGHT: _finalPositionX = layoutSize.width - ((1.0f - ap.x) * cs.width); _finalPositionY = layoutSize.height - ((1.0f - ap.y) * cs.height); break; case RelativeLayoutParameter::RelativeAlign::PARENT_LEFT_CENTER_VERTICAL: _finalPositionX = ap.x * cs.width; _finalPositionY = layoutSize.height * 0.5f - cs.height * (0.5f - ap.y); break; case RelativeLayoutParameter::RelativeAlign::CENTER_IN_PARENT: _finalPositionX = layoutSize.width * 0.5f - cs.width * (0.5f - ap.x); _finalPositionY = layoutSize.height * 0.5f - cs.height * (0.5f - ap.y); break; case RelativeLayoutParameter::RelativeAlign::PARENT_RIGHT_CENTER_VERTICAL: _finalPositionX = layoutSize.width - ((1.0f - ap.x) * cs.width); _finalPositionY = layoutSize.height * 0.5f - cs.height * (0.5f - ap.y); break; case RelativeLayoutParameter::RelativeAlign::PARENT_LEFT_BOTTOM: _finalPositionX = ap.x * cs.width; _finalPositionY = ap.y * cs.height; break; case RelativeLayoutParameter::RelativeAlign::PARENT_BOTTOM_CENTER_HORIZONTAL: _finalPositionX = layoutSize.width * 0.5f - cs.width * (0.5f - ap.x); _finalPositionY = ap.y * cs.height; break; case RelativeLayoutParameter::RelativeAlign::PARENT_RIGHT_BOTTOM: _finalPositionX = layoutSize.width - ((1.0f - ap.x) * cs.width); _finalPositionY = ap.y * cs.height; break; case RelativeLayoutParameter::RelativeAlign::LOCATION_ABOVE_LEFTALIGN: if (relativeWidget) { if (_relativeWidgetLP && !_relativeWidgetLP->_put) { return false; } float locationTop = relativeWidget->getTopBoundary(); float locationLeft = relativeWidget->getLeftBoundary(); _finalPositionY = locationTop + ap.y * cs.height; _finalPositionX = locationLeft + ap.x * cs.width; } break; case RelativeLayoutParameter::RelativeAlign::LOCATION_ABOVE_CENTER: if (relativeWidget) { if (_relativeWidgetLP && !_relativeWidgetLP->_put) { return false; } Size rbs = relativeWidget->getBoundingBox().size; float locationTop = relativeWidget->getTopBoundary(); _finalPositionY = locationTop + ap.y * cs.height; _finalPositionX = relativeWidget->getLeftBoundary() + rbs.width * 0.5f + ap.x * cs.width - cs.width * 0.5f; } break; case RelativeLayoutParameter::RelativeAlign::LOCATION_ABOVE_RIGHTALIGN: if (relativeWidget) { if (_relativeWidgetLP && !_relativeWidgetLP->_put) { return false; } float locationTop = relativeWidget->getTopBoundary(); float locationRight = relativeWidget->getRightBoundary(); _finalPositionY = locationTop + ap.y * cs.height; _finalPositionX = locationRight - (1.0f - ap.x) * cs.width; } break; case RelativeLayoutParameter::RelativeAlign::LOCATION_LEFT_OF_TOPALIGN: if (relativeWidget) { if (_relativeWidgetLP && !_relativeWidgetLP->_put) { return false; } float locationTop = relativeWidget->getTopBoundary(); float locationLeft = relativeWidget->getLeftBoundary(); _finalPositionY = locationTop - (1.0f - ap.y) * cs.height; _finalPositionX = locationLeft - (1.0f - ap.x) * cs.width; } break; case RelativeLayoutParameter::RelativeAlign::LOCATION_LEFT_OF_CENTER: if (relativeWidget) { if (_relativeWidgetLP && !_relativeWidgetLP->_put) { return false; } Size rbs = relativeWidget->getBoundingBox().size; float locationLeft = relativeWidget->getLeftBoundary(); _finalPositionX = locationLeft - (1.0f - ap.x) * cs.width; _finalPositionY = relativeWidget->getBottomBoundary() + rbs.height * 0.5f + ap.y * cs.height - cs.height * 0.5f; } break; case RelativeLayoutParameter::RelativeAlign::LOCATION_LEFT_OF_BOTTOMALIGN: if (relativeWidget) { if (_relativeWidgetLP && !_relativeWidgetLP->_put) { return false; } float locationBottom = relativeWidget->getBottomBoundary(); float locationLeft = relativeWidget->getLeftBoundary(); _finalPositionY = locationBottom + ap.y * cs.height; _finalPositionX = locationLeft - (1.0f - ap.x) * cs.width; } break; case RelativeLayoutParameter::RelativeAlign::LOCATION_RIGHT_OF_TOPALIGN: if (relativeWidget) { if (_relativeWidgetLP && !_relativeWidgetLP->_put) { return false; } float locationTop = relativeWidget->getTopBoundary(); float locationRight = relativeWidget->getRightBoundary(); _finalPositionY = locationTop - (1.0f - ap.y) * cs.height; _finalPositionX = locationRight + ap.x * cs.width; } break; case RelativeLayoutParameter::RelativeAlign::LOCATION_RIGHT_OF_CENTER: if (relativeWidget) { if (_relativeWidgetLP && !_relativeWidgetLP->_put) { return false; } Size rbs = relativeWidget->getBoundingBox().size; float locationRight = relativeWidget->getRightBoundary(); _finalPositionX = locationRight + ap.x * cs.width; _finalPositionY = relativeWidget->getBottomBoundary() + rbs.height * 0.5f + ap.y * cs.height - cs.height * 0.5f; } break; case RelativeLayoutParameter::RelativeAlign::LOCATION_RIGHT_OF_BOTTOMALIGN: if (relativeWidget) { if (_relativeWidgetLP && !_relativeWidgetLP->_put) { return false; } float locationBottom = relativeWidget->getBottomBoundary(); float locationRight = relativeWidget->getRightBoundary(); _finalPositionY = locationBottom + ap.y * cs.height; _finalPositionX = locationRight + ap.x * cs.width; } break; case RelativeLayoutParameter::RelativeAlign::LOCATION_BELOW_LEFTALIGN: if (relativeWidget) { if (_relativeWidgetLP && !_relativeWidgetLP->_put) { return false; } float locationBottom = relativeWidget->getBottomBoundary(); float locationLeft = relativeWidget->getLeftBoundary(); _finalPositionY = locationBottom - (1.0f - ap.y) * cs.height; _finalPositionX = locationLeft + ap.x * cs.width; } break; case RelativeLayoutParameter::RelativeAlign::LOCATION_BELOW_CENTER: if (relativeWidget) { if (_relativeWidgetLP && !_relativeWidgetLP->_put) { return false; } Size rbs = relativeWidget->getBoundingBox().size; float locationBottom = relativeWidget->getBottomBoundary(); _finalPositionY = locationBottom - (1.0f - ap.y) * cs.height; _finalPositionX = relativeWidget->getLeftBoundary() + rbs.width * 0.5f + ap.x * cs.width - cs.width * 0.5f; } break; case RelativeLayoutParameter::RelativeAlign::LOCATION_BELOW_RIGHTALIGN: if (relativeWidget) { if (_relativeWidgetLP && !_relativeWidgetLP->_put) { return false; } float locationBottom = relativeWidget->getBottomBoundary(); float locationRight = relativeWidget->getRightBoundary(); _finalPositionY = locationBottom - (1.0f - ap.y) * cs.height; _finalPositionX = locationRight - (1.0f - ap.x) * cs.width; } break; default: break; } return true; } void RelativeLayoutManager::calculateFinalPositionWithRelativeAlign() { RelativeLayoutParameter* layoutParameter = dynamic_cast(_widget->getLayoutParameter()); Margin mg = layoutParameter->getMargin(); RelativeLayoutParameter::RelativeAlign align = layoutParameter->getAlign(); //handle margin switch (align) { case RelativeLayoutParameter::RelativeAlign::NONE: case RelativeLayoutParameter::RelativeAlign::PARENT_TOP_LEFT: _finalPositionX += mg.left; _finalPositionY -= mg.top; break; case RelativeLayoutParameter::RelativeAlign::PARENT_TOP_CENTER_HORIZONTAL: _finalPositionY -= mg.top; break; case RelativeLayoutParameter::RelativeAlign::PARENT_TOP_RIGHT: _finalPositionX -= mg.right; _finalPositionY -= mg.top; break; case RelativeLayoutParameter::RelativeAlign::PARENT_LEFT_CENTER_VERTICAL: _finalPositionX += mg.left; break; case RelativeLayoutParameter::RelativeAlign::CENTER_IN_PARENT: break; case RelativeLayoutParameter::RelativeAlign::PARENT_RIGHT_CENTER_VERTICAL: _finalPositionX -= mg.right; break; case RelativeLayoutParameter::RelativeAlign::PARENT_LEFT_BOTTOM: _finalPositionX += mg.left; _finalPositionY += mg.bottom; break; case RelativeLayoutParameter::RelativeAlign::PARENT_BOTTOM_CENTER_HORIZONTAL: _finalPositionY += mg.bottom; break; case RelativeLayoutParameter::RelativeAlign::PARENT_RIGHT_BOTTOM: _finalPositionX -= mg.right; _finalPositionY += mg.bottom; break; case RelativeLayoutParameter::RelativeAlign::LOCATION_ABOVE_LEFTALIGN: _finalPositionY += mg.bottom; _finalPositionX += mg.left; break; case RelativeLayoutParameter::RelativeAlign::LOCATION_ABOVE_RIGHTALIGN: _finalPositionY += mg.bottom; _finalPositionX -= mg.right; break; case RelativeLayoutParameter::RelativeAlign::LOCATION_ABOVE_CENTER: _finalPositionY += mg.bottom; break; case RelativeLayoutParameter::RelativeAlign::LOCATION_LEFT_OF_TOPALIGN: _finalPositionX -= mg.right; _finalPositionY -= mg.top; break; case RelativeLayoutParameter::RelativeAlign::LOCATION_LEFT_OF_BOTTOMALIGN: _finalPositionX -= mg.right; _finalPositionY += mg.bottom; break; case RelativeLayoutParameter::RelativeAlign::LOCATION_LEFT_OF_CENTER: _finalPositionX -= mg.right; break; case RelativeLayoutParameter::RelativeAlign::LOCATION_RIGHT_OF_TOPALIGN: _finalPositionX += mg.left; _finalPositionY -= mg.top; 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; } } void RelativeLayoutManager::doLayout(LayoutProtocol *layout) { _widgetChildren = this->getAllWidgets(layout); while (_unlayoutChildCount > 0) { for (auto& subWidget : _widgetChildren) { _widget = static_cast(subWidget); RelativeLayoutParameter* layoutParameter = dynamic_cast(_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