WidgetManager

照例列出WidgetManager的全部家当：

mDelegates 用来存储parse ＸＭＬ的delegate

重头在于

mFactoryList  obsolete

mVectorIUnlinkWidget

mUnlinkWidgets

这里只是大战前的猜测：

mFactoryList 中存放的是IWidgetFactory

重点分析：

引入代码：

这种模式在MyGUI中应该是过时的：

因为关于IWidgetFactory的操作都是

//TODO

正如FactoryManager中提到的Manager类之沟通与子类的协调者，

负责employer之间的注册于与离退，

对于：mUnlinkWidgets 注册，

void WidgetManager::addWidgetToUnlink(Widget* _widget){if (_widget) mUnlinkWidgets.push_back(_widget);}

离退：

void WidgetManager::unlinkFromUnlinkers(Widget* _widget){for (VectorIUnlinkWidget::iterator iter = mVectorIUnlinkWidget.begin(); iter!=mVectorIUnlinkWidget.end(); ++iter){(*iter)->_unlinkWidget(_widget);}// вызывать последним, обнулитсяremoveWidgetFromUnlink(_widget);}

void WidgetManager::removeWidgetFromUnlink(Widget*& _widget){VectorWidgetPtr::iterator iter = std::find(mUnlinkWidgets.begin(), mUnlinkWidgets.end(), _widget);if (iter != mUnlinkWidgets.end()){(*iter) = mUnlinkWidgets.back();mUnlinkWidgets.pop_back();}else{_widget = nullptr;}}

对于：mVectorIUnlinkWidget

这个有点儿复杂，是说，对于Widget向每个IUnlinkWidget manager 注册的控件而言，

Widget Manager 使得其退注册。

void WidgetManager::registerUnlinker(IUnlinkWidget * _unlink){unregisterUnlinker(_unlink);mVectorIUnlinkWidget.push_back(_unlink);}

    unregisterUnlinker

void WidgetManager::unregisterUnlinker(IUnlinkWidget * _unlink){for (size_t pos=0; pos<mVectorIUnlinkWidget.size(); pos++){if (mVectorIUnlinkWidget[pos] == _unlink){mVectorIUnlinkWidget[pos] = mVectorIUnlinkWidget[mVectorIUnlinkWidget.size()-1];mVectorIUnlinkWidget.pop_back();break;}}}

离退：

createWidget  创建Widget分两步：

    1）通过FacotryManager 创建Widget

    2）然后再初始化：

        _style, _coord, _align, skin, _parent, _cropeedParent, _creator, _name

    返回 widget

 Widget* WidgetManager::createWidget(WidgetStyle _style, const std::string& _type, const std::string& _skin, const IntCoord& _coord, Align _align, Widget* _parent, ICroppedRectangle * _cropeedParent, IWidgetCreator * _creator, const std::string& _name)

{IObject* object = FactoryManager::getInstance().createObject("Widget", _type);if (object != nullptr){Widget* widget = object->castType<Widget>();ResourceSkin* skin = SkinManager::getInstance().getByName(_skin);widget->_initialise(_style, _coord, _align, skin, _parent, _cropeedParent, _creator, _name);return widget;}// старый вариант создания这句的意思是Obsolete for (SetWidgetFactory::iterator factory = mFactoryList.begin(); factory != mFactoryList.end(); ++factory){if ((*factory)->getTypeName() == _type){Widget* widget = (*factory)->createWidget(_style, _skin, _coord, _align, _parent, _cropeedParent, _creator, _name);return widget;}}MYGUI_EXCEPT("factory '" << _type << "' not found");return nullptr;}

根据以上三点分析：

Widget  至少完成三种职能：

1，被调用来创建Widget 并对其初始化， skin之类的操作

2，被其他Manager（//TODO 在后续拔出后幕）所调用

      来注册，Widget 和 IUnlinkWidget（对于每个manager 而言）

对于Initialize

void WidgetManager::initialise(){MYGUI_ASSERT(!mIsInitialise, INSTANCE_TYPE_NAME << " initialised twice");MYGUI_LOG(Info, "* Initialise: " << INSTANCE_TYPE_NAME);//registerUnlinker(this);FactoryManager& factory = FactoryManager::getInstance();factory.registerFactory<Button>("Widget");factory.registerFactory<Canvas>("Widget");factory.registerFactory<ComboBox>("Widget");factory.registerFactory<DDContainer>("Widget");factory.registerFactory<Edit>("Widget");factory.registerFactory<HScroll>("Widget");factory.registerFactory<ItemBox>("Widget");factory.registerFactory<List>("Widget");factory.registerFactory<ListBox>("Widget");factory.registerFactory<ListCtrl>("Widget");factory.registerFactory<MenuBar>("Widget");factory.registerFactory<MenuCtrl>("Widget");factory.registerFactory<MenuItem>("Widget");factory.registerFactory<Message>("Widget");factory.registerFactory<MultiList>("Widget");factory.registerFactory<PopupMenu>("Widget");factory.registerFactory<Progress>("Widget");factory.registerFactory<ScrollView>("Widget");factory.registerFactory<StaticImage>("Widget");factory.registerFactory<StaticText>("Widget");factory.registerFactory<Tab>("Widget");factory.registerFactory<TabItem>("Widget");factory.registerFactory<VScroll>("Widget");factory.registerFactory<Widget>("Widget");factory.registerFactory<Window>("Widget");#ifndef MYGUI_DONT_USE_OBSOLETEfactory.registerFactory<RenderBox>("Widget");factory.registerFactory<Sheet>("Widget");#endif // MYGUI_DONT_USE_OBSOLETEMYGUI_LOG(Info, INSTANCE_TYPE_NAME << " successfully initialized");mIsInitialise = true;}

FactoryManager 类觉得应该叫WidgetCreateFactoryManager

因为它的职能是用来注册MyGUI 所支持Widget的所用种类：

觉得这里是个亮点，因为全部都是hard code 将来MyGUI插件化肯定是要用来动态加载。

值得一提的是MyGUI 将一些控件该成更人性化。

摘自MyGUI 官网：

http://redmine.mygui.info/repositories/entry/mygui/tags/MyGUI3.2/ChangeLog.txt

78
-- Widgets --
79
- VScroll and HScroll replaced with single ScrollBar class.
80
- Edit renamed into EditBox.
81
- List renamed into ListBox.
82
- MenuCtrl renamed into MenuControl.
83
- MultiList renamed into MultiListBox.
84
- Progress renamed into ProgressBar.
85
- StaticImage renamed into ImageBox.
86
- StaticText renamed into TextBox.
87
- Tab renamed into TabControl.
88
- New Window property Moveable.
89
- Message moved from Core to Common.
90
- MultiListBox now support different modes of columns resizing.
91
- Button properties StateCheck and ButtonPressed replaced with single property StateSelected.
92
- ListBox and ComboBox now support ToolTip.
93
- Menu items can be checked now, tick icon appears.
94
- Property AlignVert renamed into VerticalAlignment.
95
- Hidden widget lose input and focus.
96
- Active elements visualisation in list now properly respond to changes in the list.
97
- All text related properties was moved from Widget to TextBox.


	
				
	
					   
WidgetManager
	     		  
	  	   
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