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81 lines
2.0 KiB
81 lines
2.0 KiB
//------------------------------------------------------------------------------
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// zorder.h
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// Copyright (c)1997-1999 Microsoft Corporation, All Rights Reserved
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//
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// Author
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// ThomasOl
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//
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// History
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// 8-15-97 created (ThomasOl)
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//
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//
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//------------------------------------------------------------------------------
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#ifndef __ZORDER_H__
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#define __ZORDER_H__
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enum ZIndexMode
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{
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SEND_BACKWARD,
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SEND_FORWARD,
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SEND_TO_BACK,
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SEND_TO_FRONT,
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SEND_BEHIND_1D,
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SEND_FRONT_1D,
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MADE_ABSOLUTE // we pass this mode when calling AssignZIndex during the process of making
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}; // 2D elements.
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#define ZINDEX_BASE 100
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class CZOrder
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{
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public:
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IHTMLElement* m_pihtmlElement;
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LONG m_zOrder;
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CZOrder() : m_pihtmlElement(0), m_zOrder(0)
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{}
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CZOrder(IHTMLElement* pihtmlElement, LONG zOrder)
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{
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m_pihtmlElement = pihtmlElement;
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_ASSERTE(m_pihtmlElement);
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if (m_pihtmlElement)
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m_pihtmlElement->AddRef();
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m_zOrder = zOrder;
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}
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virtual ~CZOrder()
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{
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SAFERELEASE(m_pihtmlElement);
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}
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int operator==(const CZOrder& node) const
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{
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return (m_zOrder == node.m_zOrder);
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}
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int operator<(const CZOrder& node) const
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{
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return (m_zOrder < node.m_zOrder);
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}
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int operator>(const CZOrder& node) const
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{
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return (m_zOrder > node.m_zOrder);
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}
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int operator>=(const CZOrder& node) const
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{
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return (m_zOrder >= node.m_zOrder);
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}
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int operator<=(const CZOrder& node) const
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{
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return (m_zOrder <= node.m_zOrder);
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}
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CZOrder& operator=(const CZOrder& node)
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{
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m_pihtmlElement = node.m_pihtmlElement;
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_ASSERTE(m_pihtmlElement);
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if (m_pihtmlElement)
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m_pihtmlElement->AddRef();
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m_zOrder = node.m_zOrder;
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return *this;
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}
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};
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#endif //__ZORDER_H__
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