mirror of https://github.com/axmolengine/axmol.git
1112 lines
24 KiB
C++
1112 lines
24 KiB
C++
/****************************************************************************
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Copyright (c) 2013-2014 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/UIWidget.h"
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#include "ui/UILayout.h"
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#include "ui/UIHelper.h"
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NS_CC_BEGIN
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namespace ui {
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Widget* Widget::_focusedWidget = nullptr;
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Widget* Widget::_realFocusedWidget = nullptr;
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Widget::Widget():
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_enabled(true),
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_bright(true),
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_touchEnabled(false),
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_touchPassedEnabled(false),
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_highlight(false),
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_brightStyle(BrightStyle::NONE),
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_touchStartPos(Vector2::ZERO),
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_touchMovePos(Vector2::ZERO),
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_touchEndPos(Vector2::ZERO),
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_touchEventListener(nullptr),
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_touchEventSelector(nullptr),
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_name("default"),
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_widgetType(Type::ELEMENT),
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_actionTag(0),
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_size(Size::ZERO),
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_customSize(Size::ZERO),
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_ignoreSize(false),
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_affectByClipping(false),
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_sizeType(SizeType::ABSOLUTE),
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_sizePercent(Vector2::ZERO),
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_positionType(PositionType::ABSOLUTE),
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_positionPercent(Vector2::ZERO),
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_reorderWidgetChildDirty(true),
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_hitted(false),
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_touchListener(nullptr),
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_color(Color3B::WHITE),
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_opacity(255),
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_flippedX(false),
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_flippedY(false),
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_focused(false),
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_focusEnabled(true)
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{
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onFocusChanged = CC_CALLBACK_2(Widget::onFocusChange,this);
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onNextFocusedWidget = nullptr;
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}
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Widget::~Widget()
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{
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setTouchEnabled(false);
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//cleanup focused widget
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if (_focusedWidget == this) {
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_focusedWidget = nullptr;
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}
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if (_realFocusedWidget == this) {
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_realFocusedWidget = nullptr;
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}
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}
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Widget* Widget::create()
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{
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Widget* widget = new Widget();
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if (widget && widget->init())
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{
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widget->autorelease();
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return widget;
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}
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CC_SAFE_DELETE(widget);
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return nullptr;
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}
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bool Widget::init()
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{
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if (ProtectedNode::init())
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{
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initRenderer();
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setBright(true);
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ignoreContentAdaptWithSize(true);
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setAnchorPoint(Vector2(0.5f, 0.5f));
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return true;
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}
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return false;
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}
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void Widget::onEnter()
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{
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updateSizeAndPosition();
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ProtectedNode::onEnter();
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}
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void Widget::onExit()
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{
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unscheduleUpdate();
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ProtectedNode::onExit();
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}
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void Widget::visit(Renderer *renderer, const Matrix &parentTransform, bool parentTransformUpdated)
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{
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if (_enabled)
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{
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adaptRenderers();
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ProtectedNode::visit(renderer, parentTransform, parentTransformUpdated);
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}
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}
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Widget* Widget::getWidgetParent()
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{
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return dynamic_cast<Widget*>(getParent());
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}
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void Widget::setEnabled(bool enabled)
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{
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_enabled = enabled;
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for (auto& child : _children)
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{
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if (child)
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{
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Widget* widgetChild = dynamic_cast<Widget*>(child);
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if (widgetChild)
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{
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widgetChild->setEnabled(enabled);
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}
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}
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}
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for (auto& child : _protectedChildren)
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{
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if (child)
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{
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Widget* widgetChild = dynamic_cast<Widget*>(child);
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if (widgetChild)
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{
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widgetChild->setEnabled(enabled);
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}
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}
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}
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}
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Widget* Widget::getChildByName(const char *name)
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{
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for (auto& child : _children)
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{
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if (child)
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{
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Widget* widgetChild = dynamic_cast<Widget*>(child);
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if (widgetChild)
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{
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if (strcmp(widgetChild->getName(), name) == 0)
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{
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return widgetChild;
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}
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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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void Widget::initRenderer()
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{
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}
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void Widget::setSize(const Size &size)
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{
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_customSize = size;
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if (_ignoreSize)
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{
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_size = getVirtualRendererSize();
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}
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else
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{
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_size = size;
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}
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if (_running)
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{
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Widget* widgetParent = getWidgetParent();
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Size pSize;
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if (widgetParent)
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{
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pSize = widgetParent->getSize();
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}
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else
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{
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pSize = _parent->getContentSize();
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}
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float spx = 0.0f;
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float spy = 0.0f;
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if (pSize.width > 0.0f)
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{
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spx = _customSize.width / pSize.width;
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}
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if (pSize.height > 0.0f)
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{
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spy = _customSize.height / pSize.height;
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}
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_sizePercent = Vector2(spx, spy);
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}
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onSizeChanged();
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}
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void Widget::setSizePercent(const Vector2 &percent)
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{
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_sizePercent = percent;
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Size cSize = _customSize;
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if (_running)
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{
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Widget* widgetParent = getWidgetParent();
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if (widgetParent)
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{
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cSize = Size(widgetParent->getSize().width * percent.x , widgetParent->getSize().height * percent.y);
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}
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else
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{
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cSize = Size(_parent->getContentSize().width * percent.x , _parent->getContentSize().height * percent.y);
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}
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}
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if (_ignoreSize)
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{
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_size = getVirtualRendererSize();
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}
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else
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{
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_size = cSize;
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}
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_customSize = cSize;
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onSizeChanged();
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}
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void Widget::updateSizeAndPosition()
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{
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Widget* widgetParent = getWidgetParent();
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Size pSize;
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if (widgetParent)
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{
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pSize = widgetParent->getLayoutSize();
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}
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else
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{
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pSize = _parent->getContentSize();
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}
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updateSizeAndPosition(pSize);
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}
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void Widget::updateSizeAndPosition(const cocos2d::Size &parentSize)
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{
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switch (_sizeType)
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{
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case SizeType::ABSOLUTE:
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{
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if (_ignoreSize)
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{
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_size = getVirtualRendererSize();
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}
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else
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{
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_size = _customSize;
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}
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float spx = 0.0f;
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float spy = 0.0f;
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if (parentSize.width > 0.0f)
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{
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spx = _customSize.width / parentSize.width;
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}
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if (parentSize.height > 0.0f)
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{
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spy = _customSize.height / parentSize.height;
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}
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_sizePercent = Vector2(spx, spy);
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break;
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}
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case SizeType::PERCENT:
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{
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Size cSize = Size(parentSize.width * _sizePercent.x , parentSize.height * _sizePercent.y);
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if (_ignoreSize)
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{
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_size = getVirtualRendererSize();
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}
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else
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{
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_size = cSize;
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}
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_customSize = cSize;
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break;
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}
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default:
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break;
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}
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onSizeChanged();
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Vector2 absPos = getPosition();
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switch (_positionType)
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{
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case PositionType::ABSOLUTE:
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{
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if (parentSize.width <= 0.0f || parentSize.height <= 0.0f)
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{
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_positionPercent = Vector2::ZERO;
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}
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else
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{
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_positionPercent = Vector2(absPos.x / parentSize.width, absPos.y / parentSize.height);
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}
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break;
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}
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case PositionType::PERCENT:
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{
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absPos = Vector2(parentSize.width * _positionPercent.x, parentSize.height * _positionPercent.y);
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break;
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}
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default:
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break;
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}
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setPosition(absPos);
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}
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void Widget::setSizeType(SizeType type)
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{
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_sizeType = type;
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}
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Widget::SizeType Widget::getSizeType() const
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{
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return _sizeType;
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}
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void Widget::ignoreContentAdaptWithSize(bool ignore)
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{
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if (_ignoreSize == ignore)
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{
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return;
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}
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_ignoreSize = ignore;
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if (_ignoreSize)
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{
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Size s = getVirtualRendererSize();
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_size = s;
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}
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else
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{
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_size = _customSize;
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}
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onSizeChanged();
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}
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bool Widget::isIgnoreContentAdaptWithSize() const
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{
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return _ignoreSize;
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}
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const Size& Widget::getSize() const
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{
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return _size;
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}
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const Size& Widget::getCustomSize() const
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{
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return _customSize;
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}
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const Vector2& Widget::getSizePercent() const
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{
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return _sizePercent;
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}
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Vector2 Widget::getWorldPosition()
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{
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return convertToWorldSpace(Vector2(_anchorPoint.x * _contentSize.width, _anchorPoint.y * _contentSize.height));
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}
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Node* Widget::getVirtualRenderer()
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{
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return this;
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}
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void Widget::onSizeChanged()
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{
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setContentSize(_size);
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for (auto& child : getChildren())
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{
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Widget* widgetChild = dynamic_cast<Widget*>(child);
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if (widgetChild)
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{
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widgetChild->updateSizeAndPosition();
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}
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}
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}
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const Size& Widget::getVirtualRendererSize() const
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{
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return _contentSize;
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}
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void Widget::updateContentSizeWithTextureSize(const cocos2d::Size &size)
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{
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if (_ignoreSize)
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{
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_size = size;
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}
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else
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{
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_size = _customSize;
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}
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onSizeChanged();
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}
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void Widget::setTouchEnabled(bool enable)
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{
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if (enable == _touchEnabled)
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{
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return;
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}
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_touchEnabled = enable;
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if (_touchEnabled)
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{
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_touchListener = EventListenerTouchOneByOne::create();
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CC_SAFE_RETAIN(_touchListener);
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_touchListener->setSwallowTouches(true);
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_touchListener->onTouchBegan = CC_CALLBACK_2(Widget::onTouchBegan, this);
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_touchListener->onTouchMoved = CC_CALLBACK_2(Widget::onTouchMoved, this);
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_touchListener->onTouchEnded = CC_CALLBACK_2(Widget::onTouchEnded, this);
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_touchListener->onTouchCancelled = CC_CALLBACK_2(Widget::onTouchCancelled, this);
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_eventDispatcher->addEventListenerWithSceneGraphPriority(_touchListener, this);
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}
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else
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{
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_eventDispatcher->removeEventListener(_touchListener);
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CC_SAFE_RELEASE_NULL(_touchListener);
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}
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}
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bool Widget::isTouchEnabled() const
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{
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return _touchEnabled;
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}
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bool Widget::isHighlighted() const
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{
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return _highlight;
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}
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void Widget::setHighlighted(bool hilight)
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{
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if (hilight == _highlight)
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{
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return;
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}
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_highlight = hilight;
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if (_bright)
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{
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if (_highlight)
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{
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setBrightStyle(BrightStyle::HIGHLIGHT);
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}
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else
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{
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setBrightStyle(BrightStyle::NORMAL);
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}
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}
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else
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{
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onPressStateChangedToDisabled();
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}
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}
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void Widget::setBright(bool bright)
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{
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_bright = bright;
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if (_bright)
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{
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_brightStyle = BrightStyle::NONE;
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setBrightStyle(BrightStyle::NORMAL);
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}
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else
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{
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onPressStateChangedToDisabled();
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}
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}
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void Widget::setBrightStyle(BrightStyle style)
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{
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if (_brightStyle == style)
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{
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return;
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}
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_brightStyle = style;
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switch (_brightStyle)
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{
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case BrightStyle::NORMAL:
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onPressStateChangedToNormal();
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break;
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case BrightStyle::HIGHLIGHT:
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onPressStateChangedToPressed();
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break;
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default:
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break;
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}
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}
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void Widget::onPressStateChangedToNormal()
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{
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}
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void Widget::onPressStateChangedToPressed()
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{
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}
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void Widget::onPressStateChangedToDisabled()
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{
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}
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void Widget::didNotSelectSelf()
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{
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}
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bool Widget::onTouchBegan(Touch *touch, Event *unusedEvent)
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{
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_hitted = false;
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if (isEnabled() && isTouchEnabled())
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{
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_touchStartPos = touch->getLocation();
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if(hitTest(_touchStartPos) && clippingParentAreaContainPoint(_touchStartPos))
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{
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_hitted = true;
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}
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}
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if (!_hitted)
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{
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return false;
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}
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setHighlighted(true);
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Widget* widgetParent = getWidgetParent();
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if (widgetParent)
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{
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widgetParent->checkChildInfo(0,this,_touchStartPos);
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}
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pushDownEvent();
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return !_touchPassedEnabled;
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}
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void Widget::onTouchMoved(Touch *touch, Event *unusedEvent)
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{
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_touchMovePos = touch->getLocation();
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setHighlighted(hitTest(_touchMovePos));
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Widget* widgetParent = getWidgetParent();
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if (widgetParent)
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{
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widgetParent->checkChildInfo(1,this,_touchMovePos);
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}
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moveEvent();
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}
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void Widget::onTouchEnded(Touch *touch, Event *unusedEvent)
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{
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_touchEndPos = touch->getLocation();
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bool highlight = _highlight;
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setHighlighted(false);
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Widget* widgetParent = getWidgetParent();
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if (widgetParent)
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{
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widgetParent->checkChildInfo(2,this,_touchEndPos);
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}
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if (highlight)
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{
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releaseUpEvent();
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}
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else
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{
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cancelUpEvent();
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}
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}
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void Widget::onTouchCancelled(Touch *touch, Event *unusedEvent)
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{
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setHighlighted(false);
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cancelUpEvent();
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}
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void Widget::pushDownEvent()
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{
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if (_touchEventCallback) {
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_touchEventCallback(this, TouchEventType::BEGAN);
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}
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if (_touchEventListener && _touchEventSelector)
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{
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(_touchEventListener->*_touchEventSelector)(this,TOUCH_EVENT_BEGAN);
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}
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}
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void Widget::moveEvent()
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{
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if (_touchEventCallback) {
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_touchEventCallback(this, TouchEventType::MOVED);
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}
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if (_touchEventListener && _touchEventSelector)
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{
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(_touchEventListener->*_touchEventSelector)(this,TOUCH_EVENT_MOVED);
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}
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}
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void Widget::releaseUpEvent()
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{
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|
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if (_touchEventCallback) {
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_touchEventCallback(this, TouchEventType::ENDED);
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}
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|
|
|
if (_touchEventListener && _touchEventSelector)
|
|
{
|
|
(_touchEventListener->*_touchEventSelector)(this,TOUCH_EVENT_ENDED);
|
|
}
|
|
}
|
|
|
|
void Widget::cancelUpEvent()
|
|
{
|
|
if (_touchEventCallback)
|
|
{
|
|
_touchEventCallback(this, TouchEventType::CANCELED);
|
|
}
|
|
|
|
if (_touchEventListener && _touchEventSelector)
|
|
{
|
|
(_touchEventListener->*_touchEventSelector)(this,TOUCH_EVENT_CANCELED);
|
|
}
|
|
|
|
}
|
|
|
|
void Widget::addTouchEventListener(Ref *target, SEL_TouchEvent selector)
|
|
{
|
|
_touchEventListener = target;
|
|
_touchEventSelector = selector;
|
|
}
|
|
|
|
void Widget::addTouchEventListener(Widget::ccWidgetTouchCallback callback)
|
|
{
|
|
this->_touchEventCallback = callback;
|
|
}
|
|
|
|
bool Widget::hitTest(const Vector2 &pt)
|
|
{
|
|
Vector2 nsp = convertToNodeSpace(pt);
|
|
Rect bb;
|
|
bb.size = _contentSize;
|
|
if (bb.containsPoint(nsp))
|
|
{
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool Widget::clippingParentAreaContainPoint(const Vector2 &pt)
|
|
{
|
|
_affectByClipping = false;
|
|
Widget* parent = getWidgetParent();
|
|
Widget* clippingParent = nullptr;
|
|
while (parent)
|
|
{
|
|
Layout* layoutParent = dynamic_cast<Layout*>(parent);
|
|
if (layoutParent)
|
|
{
|
|
if (layoutParent->isClippingEnabled())
|
|
{
|
|
_affectByClipping = true;
|
|
clippingParent = layoutParent;
|
|
break;
|
|
}
|
|
}
|
|
parent = parent->getWidgetParent();
|
|
}
|
|
|
|
if (!_affectByClipping)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
|
|
if (clippingParent)
|
|
{
|
|
bool bRet = false;
|
|
if (clippingParent->hitTest(pt))
|
|
{
|
|
bRet = true;
|
|
}
|
|
if (bRet)
|
|
{
|
|
return clippingParent->clippingParentAreaContainPoint(pt);
|
|
}
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void Widget::checkChildInfo(int handleState, Widget *sender, const Vector2 &touchPoint)
|
|
{
|
|
Widget* widgetParent = getWidgetParent();
|
|
if (widgetParent)
|
|
{
|
|
widgetParent->checkChildInfo(handleState,sender,touchPoint);
|
|
}
|
|
}
|
|
|
|
void Widget::setPosition(const Vector2 &pos)
|
|
{
|
|
if (_running)
|
|
{
|
|
Widget* widgetParent = getWidgetParent();
|
|
if (widgetParent)
|
|
{
|
|
Size pSize = widgetParent->getSize();
|
|
if (pSize.width <= 0.0f || pSize.height <= 0.0f)
|
|
{
|
|
_positionPercent = Vector2::ZERO;
|
|
}
|
|
else
|
|
{
|
|
_positionPercent = Vector2(pos.x / pSize.width, pos.y / pSize.height);
|
|
}
|
|
}
|
|
}
|
|
ProtectedNode::setPosition(pos);
|
|
}
|
|
|
|
void Widget::setPositionPercent(const Vector2 &percent)
|
|
{
|
|
_positionPercent = percent;
|
|
if (_running)
|
|
{
|
|
Widget* widgetParent = getWidgetParent();
|
|
if (widgetParent)
|
|
{
|
|
Size parentSize = widgetParent->getSize();
|
|
Vector2 absPos = Vector2(parentSize.width * _positionPercent.x, parentSize.height * _positionPercent.y);
|
|
setPosition(absPos);
|
|
}
|
|
}
|
|
}
|
|
|
|
const Vector2& Widget::getPositionPercent()
|
|
{
|
|
return _positionPercent;
|
|
}
|
|
|
|
void Widget::setPositionType(PositionType type)
|
|
{
|
|
_positionType = type;
|
|
}
|
|
|
|
Widget::PositionType Widget::getPositionType() const
|
|
{
|
|
return _positionType;
|
|
}
|
|
|
|
bool Widget::isBright() const
|
|
{
|
|
return _bright;
|
|
}
|
|
|
|
bool Widget::isEnabled() const
|
|
{
|
|
return _enabled;
|
|
}
|
|
|
|
float Widget::getLeftInParent()
|
|
{
|
|
return getPosition().x - getAnchorPoint().x * _size.width;;
|
|
}
|
|
|
|
float Widget::getBottomInParent()
|
|
{
|
|
return getPosition().y - getAnchorPoint().y * _size.height;;
|
|
}
|
|
|
|
float Widget::getRightInParent()
|
|
{
|
|
return getLeftInParent() + _size.width;
|
|
}
|
|
|
|
float Widget::getTopInParent()
|
|
{
|
|
return getBottomInParent() + _size.height;
|
|
}
|
|
|
|
const Vector2& Widget::getTouchStartPos()
|
|
{
|
|
return _touchStartPos;
|
|
}
|
|
|
|
const Vector2& Widget::getTouchMovePos()
|
|
{
|
|
return _touchMovePos;
|
|
}
|
|
|
|
const Vector2& Widget::getTouchEndPos()
|
|
{
|
|
return _touchEndPos;
|
|
}
|
|
|
|
void Widget::setName(const char* name)
|
|
{
|
|
_name = name;
|
|
}
|
|
|
|
const char* Widget::getName() const
|
|
{
|
|
return _name.c_str();
|
|
}
|
|
|
|
Widget::Type Widget::getWidgetType() const
|
|
{
|
|
return _widgetType;
|
|
}
|
|
|
|
void Widget::setLayoutParameter(LayoutParameter *parameter)
|
|
{
|
|
if (!parameter)
|
|
{
|
|
return;
|
|
}
|
|
_layoutParameterDictionary.insert(parameter->getLayoutType(), parameter);
|
|
}
|
|
|
|
LayoutParameter* Widget::getLayoutParameter(LayoutParameterType type)
|
|
{
|
|
return dynamic_cast<LayoutParameter*>(_layoutParameterDictionary.at(type));
|
|
}
|
|
|
|
std::string Widget::getDescription() const
|
|
{
|
|
return "Widget";
|
|
}
|
|
|
|
Widget* Widget::clone()
|
|
{
|
|
Widget* clonedWidget = createCloneInstance();
|
|
clonedWidget->copyProperties(this);
|
|
clonedWidget->copyClonedWidgetChildren(this);
|
|
return clonedWidget;
|
|
}
|
|
|
|
Widget* Widget::createCloneInstance()
|
|
{
|
|
return Widget::create();
|
|
}
|
|
|
|
void Widget::copyClonedWidgetChildren(Widget* model)
|
|
{
|
|
auto& modelChildren = model->getChildren();
|
|
|
|
for (auto& subWidget : modelChildren)
|
|
{
|
|
Widget* child = dynamic_cast<Widget*>(subWidget);
|
|
if (child)
|
|
{
|
|
addChild(child->clone());
|
|
}
|
|
}
|
|
}
|
|
|
|
void Widget::copySpecialProperties(Widget* model)
|
|
{
|
|
|
|
}
|
|
|
|
void Widget::copyProperties(Widget *widget)
|
|
{
|
|
setEnabled(widget->isEnabled());
|
|
setVisible(widget->isVisible());
|
|
setBright(widget->isBright());
|
|
setTouchEnabled(widget->isTouchEnabled());
|
|
_touchPassedEnabled = false;
|
|
setLocalZOrder(widget->getLocalZOrder());
|
|
setTag(widget->getTag());
|
|
setName(widget->getName());
|
|
setActionTag(widget->getActionTag());
|
|
_ignoreSize = widget->_ignoreSize;
|
|
_size = widget->_size;
|
|
_customSize = widget->_customSize;
|
|
copySpecialProperties(widget);
|
|
_sizeType = widget->getSizeType();
|
|
_sizePercent = widget->_sizePercent;
|
|
_positionType = widget->_positionType;
|
|
_positionPercent = widget->_positionPercent;
|
|
setPosition(widget->getPosition());
|
|
setAnchorPoint(widget->getAnchorPoint());
|
|
setScaleX(widget->getScaleX());
|
|
setScaleY(widget->getScaleY());
|
|
setRotation(widget->getRotation());
|
|
setRotationSkewX(widget->getRotationSkewX());
|
|
setRotationSkewY(widget->getRotationSkewY());
|
|
setFlippedX(widget->isFlippedX());
|
|
setFlippedY(widget->isFlippedY());
|
|
setColor(widget->getColor());
|
|
setOpacity(widget->getOpacity());
|
|
Map<int, LayoutParameter*>& layoutParameterDic = widget->_layoutParameterDictionary;
|
|
for (auto iter = layoutParameterDic.begin(); iter != layoutParameterDic.end(); ++iter)
|
|
{
|
|
setLayoutParameter(iter->second->clone());
|
|
}
|
|
onSizeChanged();
|
|
}
|
|
|
|
void Widget::setColor(const Color3B& color)
|
|
{
|
|
_color = color;
|
|
updateTextureColor();
|
|
}
|
|
|
|
void Widget::setOpacity(GLubyte opacity)
|
|
{
|
|
_opacity = opacity;
|
|
updateTextureOpacity();
|
|
}
|
|
|
|
void Widget::setFlippedX(bool flippedX)
|
|
{
|
|
_flippedX = flippedX;
|
|
updateFlippedX();
|
|
}
|
|
|
|
void Widget::setFlippedY(bool flippedY)
|
|
{
|
|
_flippedY = flippedY;
|
|
updateFlippedY();
|
|
}
|
|
|
|
void Widget::updateColorToRenderer(Node* renderer)
|
|
{
|
|
renderer->setColor(_color);
|
|
}
|
|
|
|
void Widget::updateOpacityToRenderer(Node* renderer)
|
|
{
|
|
renderer->setOpacity(_opacity);
|
|
}
|
|
|
|
void Widget::updateRGBAToRenderer(Node* renderer)
|
|
{
|
|
renderer->setColor(_color);
|
|
renderer->setOpacity(_opacity);
|
|
}
|
|
|
|
/*temp action*/
|
|
void Widget::setActionTag(int tag)
|
|
{
|
|
_actionTag = tag;
|
|
}
|
|
|
|
int Widget::getActionTag()
|
|
{
|
|
return _actionTag;
|
|
}
|
|
|
|
void Widget::setFocused(bool focus)
|
|
{
|
|
_focused = focus;
|
|
|
|
//make sure there is only one focusedWidget
|
|
if (focus) {
|
|
_focusedWidget = this;
|
|
if (!dynamic_cast<Layout*>(this)) {
|
|
_realFocusedWidget = this;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
bool Widget::isFocused()
|
|
{
|
|
return _focused;
|
|
}
|
|
|
|
void Widget::setFocusEnabled(bool enable)
|
|
{
|
|
_focusEnabled = enable;
|
|
}
|
|
|
|
bool Widget::isFocusEnabled()
|
|
{
|
|
return _focusEnabled;
|
|
}
|
|
|
|
Widget* Widget::findNextFocusedWidget(FocusDirection direction, Widget* current)
|
|
{
|
|
if (nullptr == onNextFocusedWidget || nullptr == onNextFocusedWidget(direction) ) {
|
|
if (this->isFocused() || !current->isFocusEnabled())
|
|
{
|
|
Node* parent = this->getParent();
|
|
|
|
Layout* layout = dynamic_cast<Layout*>(parent);
|
|
if (nullptr == layout)
|
|
{
|
|
//the outer layout's default behaviour is : loop focus
|
|
if (dynamic_cast<Layout*>(current))
|
|
{
|
|
return current->findNextFocusedWidget(direction, current);
|
|
}
|
|
return current;
|
|
}
|
|
else
|
|
{
|
|
Widget *nextWidget = layout->findNextFocusedWidget(direction, current);
|
|
return nextWidget;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return current;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Widget *getFocusWidget = onNextFocusedWidget(direction);
|
|
this->dispatchFocusEvent(this, getFocusWidget);
|
|
return getFocusWidget;
|
|
}
|
|
}
|
|
|
|
void Widget::dispatchFocusEvent(cocos2d::ui::Widget *widgetLoseFocus, cocos2d::ui::Widget *widgetGetFocus)
|
|
{
|
|
//if the widgetLoseFocus doesn't get focus, it will use the previous focused widget instead
|
|
if (widgetLoseFocus && !widgetLoseFocus->isFocused())
|
|
{
|
|
widgetLoseFocus = _focusedWidget;
|
|
}
|
|
|
|
if (widgetGetFocus != widgetLoseFocus)
|
|
{
|
|
|
|
if (widgetGetFocus)
|
|
{
|
|
widgetGetFocus->onFocusChanged(widgetLoseFocus, widgetGetFocus);
|
|
}
|
|
|
|
if (widgetLoseFocus)
|
|
{
|
|
widgetLoseFocus->onFocusChanged(widgetLoseFocus, widgetGetFocus);
|
|
}
|
|
|
|
EventFocus event(widgetLoseFocus, widgetGetFocus);
|
|
auto dispatcher = cocos2d::Director::getInstance()->getEventDispatcher();
|
|
dispatcher->dispatchEvent(&event);
|
|
}
|
|
|
|
}
|
|
|
|
void Widget::requestFocus()
|
|
{
|
|
if (this == _focusedWidget)
|
|
{
|
|
return;
|
|
}
|
|
|
|
this->dispatchFocusEvent(_focusedWidget, this);
|
|
}
|
|
|
|
void Widget::onFocusChange(Widget* widgetLostFocus, Widget* widgetGetFocus)
|
|
{
|
|
//only change focus when there is indeed a get&lose happens
|
|
if (widgetLostFocus)
|
|
{
|
|
widgetLostFocus->setFocused(false);
|
|
}
|
|
|
|
if (widgetGetFocus)
|
|
{
|
|
widgetGetFocus->setFocused(true);
|
|
}
|
|
}
|
|
|
|
Widget* Widget::getCurrentFocusedWidget(bool isWidget)
|
|
{
|
|
if (isWidget) {
|
|
return _realFocusedWidget;
|
|
}
|
|
return _focusedWidget;
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
NS_CC_END
|