nim_duilib/duilib/Core/Placeholder.h

#ifndef UI_CORE_PLACE_HOLDER_H_
#define UI_CORE_PLACE_HOLDER_H_

#pragma once

namespace ui 
{

class UILIB_API PlaceHolder : public virtual nbase::SupportWeakCallback
{
public:
	PlaceHolder();
	PlaceHolder(const PlaceHolder& r);
	PlaceHolder& operator=(const PlaceHolder& r) = delete;
	virtual ~PlaceHolder();

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
	 */
	Box* GetParent() const { return m_pParent;}

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƻ<EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
	 * @param[in] strName Ҫ<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
	 */
	Box* GetAncestor(const std::wstring& strName);

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD>ؼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><EFBFBD><EFBFBD>Ӧ xml <EFBFBD><EFBFBD> name <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD>ؿؼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	std::wstring GetName() const;

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD>ؼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><EFBFBD><EFBFBD>Ӧ xml <EFBFBD><EFBFBD> name <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD>ؿؼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>UTF8 <EFBFBD><EFBFBD><EFBFBD>룩
	 */
	std::string GetUTF8Name() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD>ÿؼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD> xml <EFBFBD><EFBFBD>
	 * @param[in] strName Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetName(const std::wstring& strName);

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD>ÿؼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD> xml <EFBFBD>У<EFBFBD>UTF8 <EFBFBD><EFBFBD><EFBFBD>룩
	 * @param[in] strName Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetUTF8Name(const std::string& strName);

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD>ع<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ָ<EFBFBD><EFBFBD>
	 */
	virtual Window* GetWindow() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] pManager <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
	 * @param[in] pParent <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] bInit <EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Init <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD>ؼ<EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	virtual void SetWindow(Window* pManager, Box* pParent, bool bInit = true);

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] pManager <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	virtual void SetWindow(Window* pManager);

	/**
	 * @brief <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	virtual void Init();

	/**
	 * @brief <EFBFBD><EFBFBD> Init <EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Init <EFBFBD><EFBFBD>ͬ
	 * @return <EFBFBD><EFBFBD>
	 */
	virtual void DoInit();

	/**
	 * @brief <EFBFBD>ж<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɼ<EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD> true Ϊ<EFBFBD>ɼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> false Ϊ<EFBFBD><EFBFBD><EFBFBD>ɼ<EFBFBD>
	 */
	virtual bool IsVisible() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	bool IsInternVisible() const;

	/**
	 * @brief <EFBFBD>жϿؼ<EFBFBD><EFBFBD>Ƿ񸡶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ xml <EFBFBD><EFBFBD> float <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD> true <EFBFBD>Ǹ<EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> false Ϊ<EFBFBD>Ǹ<EFBFBD><EFBFBD><EFBFBD>״̬
	 */
	bool IsFloat() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD>ÿؼ<EFBFBD><EFBFBD>Ƿ񸡶<EFBFBD>
	 * @param[in] bFloat <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ true Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>false Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetFloat(bool bFloat = true);

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD>̶<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><EFBFBD><EFBFBD>Ӧ xml <EFBFBD><EFBFBD> width <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD>ؿؼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	int GetFixedWidth() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD>ÿؼ<EFBFBD><EFBFBD>̶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] cx Ҫ<EFBFBD><EFBFBD><EFBFBD>õĿ<EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] bArrange <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD>Ĭ<EFBFBD><EFBFBD>Ϊ true
	 * @param[in] bNeedDpiScale <EFBFBD><EFBFBD><EFBFBD><EFBFBD> DPI <EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD>Ĭ<EFBFBD><EFBFBD>Ϊ true
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetFixedWidth(int cx, bool bArrange = true, bool bNeedDpiScale = true);

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD>̶<EFBFBD><EFBFBD>߶<EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD>ع̶<EFBFBD><EFBFBD>߶<EFBFBD>
	 */
	int GetFixedHeight() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD>ù̶<EFBFBD><EFBFBD>߶<EFBFBD>
	 * @param[in] cy Ҫ<EFBFBD><EFBFBD><EFBFBD>õĹ̶<EFBFBD><EFBFBD>߶<EFBFBD>
	 * @param[in] bNeedDpiScale <EFBFBD><EFBFBD><EFBFBD><EFBFBD> DPI <EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD>Ĭ<EFBFBD><EFBFBD>Ϊ true
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetFixedHeight(int cy, bool bNeedDpiScale = true);

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	int GetMinWidth() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] cx Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetMinWidth(int cx);

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	int GetMaxWidth() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] cx Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetMaxWidth(int cx);

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>С<EFBFBD>߶<EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD>߶<EFBFBD>
	 */
	int GetMinHeight() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD>߶<EFBFBD>
	 * @param[in] cy Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD>С<EFBFBD>߶<EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetMinHeight(int cy);

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD>
	 */
	int GetMaxHeight() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD>
	 * @param[in] cy Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetMaxHeight(int cy);

	/**
	 * @brief <EFBFBD><EFBFBD>ȡʵ<EFBFBD>ʿ<EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ʿ<EFBFBD><EFBFBD><EFBFBD>
	 */
	int GetWidth() const;

	/**
	 * @brief <EFBFBD><EFBFBD>ȡʵ<EFBFBD>ʸ߶<EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ʸ߶<EFBFBD>
	 */
	int GetHeight() const;

	/**
	 * @brief <EFBFBD><EFBFBD>ȡˮƽ<EFBFBD><EFBFBD><EFBFBD>뷽ʽ
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˮƽ<EFBFBD><EFBFBD><EFBFBD>뷽ʽ<EFBFBD><EFBFBD><EFBFBD>ο<EFBFBD> HorAlignType ö<EFBFBD><EFBFBD>
	 */
	HorAlignType GetHorAlignType() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˮƽ<EFBFBD><EFBFBD><EFBFBD>뷽ʽ
	 * @param[in] horAlignType Ҫ<EFBFBD><EFBFBD><EFBFBD>õĶ<EFBFBD><EFBFBD>뷽ʽ<EFBFBD><EFBFBD><EFBFBD>ο<EFBFBD> HorAlignType ö<EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetHorAlignType(HorAlignType horAlignType);

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD>뷽ʽ
	 * @return <EFBFBD><EFBFBD><EFBFBD>ش<EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD>뷽ʽ<EFBFBD><EFBFBD><EFBFBD>μ<EFBFBD> VerAlignType ö<EFBFBD><EFBFBD>
	 */
	VerAlignType GetVerAlignType() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD>뷽ʽ
	 * @param[in] vorAlignType Ҫ<EFBFBD><EFBFBD><EFBFBD>õĶ<EFBFBD><EFBFBD>뷽ʽ<EFBFBD><EFBFBD><EFBFBD>ο<EFBFBD> VerAlignType ö<EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetVerAlignType(VerAlignType verAlignType);

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	bool IsReEstimateSize() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	void SetReEstimateSize(bool bReEstimateSize);

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	virtual CSize EstimateSize(CSize szAvailable);

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD>ؼ<EFBFBD>λ<EFBFBD><EFBFBD>
	 * @param[in] bContainShadow <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӱλ<EFBFBD>ã<EFBFBD>Ĭ<EFBFBD><EFBFBD>Ϊ true
	 * @return <EFBFBD><EFBFBD><EFBFBD>ؿؼ<EFBFBD>λ<EFBFBD><EFBFBD>
	 */
	virtual	UiRect GetPos(bool bContainShadow = true) const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD>ÿؼ<EFBFBD>λ<EFBFBD><EFBFBD>
	 * @param[in] rc Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
	 * @return <EFBFBD><EFBFBD>
	 */
	virtual void SetPos(UiRect rc);

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD>в<EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	virtual void Arrange();

	/**
	 * @brief <EFBFBD>ø<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	virtual void ArrangeAncestor();

	/**
	 * @brief <EFBFBD>ж<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD>
	 * @return true Ϊ<EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><EFBFBD><EFBFBD>false Ϊ<EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	bool IsArranged() const;

	void SetUseCache(bool cache);
	bool IsUseCache() { return m_bUseCache; }
	void SetCacheDirty(bool dirty);
	bool IsCacheDirty() { return m_bUseCache && m_bCacheDirty; }

	/**
	 * @brief <EFBFBD>ػ<EFBFBD><EFBFBD>ؼ<EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	virtual void Invalidate();

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	UiRect GetPosWithScrollOffset() const;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	CPoint GetScrollOffset() const;

	static bool IsChild(PlaceHolder* pAncestor, PlaceHolder* pChild);
protected:
	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	virtual void ArrangeSelf();

protected:
	std::wstring m_sName;
	Window *m_pWindow;
	Box* m_pParent;
	CSize m_cxyFixed;
	CSize m_cxyMin;
	CSize m_cxyMax;
	UiRect m_rcItem;
	HorAlignType m_horAlignType;
	VerAlignType m_verAlignType;
	bool m_bFloat;
	bool m_bReEstimateSize;
	bool m_bVisible;
	bool m_bInternVisible;
	bool m_bIsArranged;

	bool m_bUseCache;
	bool m_bCacheDirty;
	std::unique_ptr<IRenderContext> m_renderContext;
};

} // namespace ui

#endif // UI_CORE_PLACE_HOLDER_H_