mirror of
https://github.com/Open-Shell/Open-Shell-Menu.git
synced 2026-04-12 18:07:24 +10:00
76 lines
3.7 KiB
C++
76 lines
3.7 KiB
C++
// Classic Shell (c) 2009-2017, Ivo Beltchev
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// Open-Shell (c) 2017-2018, The Open-Shell Team
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// Confidential information of Ivo Beltchev. Not for disclosure or distribution without prior written consent from the author
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#pragma once
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class CMenuContainer;
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// CMenuAccessible - provides accessibility services for a CMenuContainer
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class CMenuAccessible: public IAccessible
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{
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public:
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CMenuAccessible( CMenuContainer *pOwner );
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~CMenuAccessible( void );
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void Reset( void ); // called by the owner when it is destroyed
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// IUnknown
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virtual STDMETHODIMP QueryInterface( REFIID riid, void **ppvObject )
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{
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*ppvObject=NULL;
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if (IID_IUnknown==riid || IID_IDispatch==riid || IID_IAccessible==riid)
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{
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AddRef();
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*ppvObject=static_cast<IAccessible*>(this);
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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virtual ULONG STDMETHODCALLTYPE AddRef( void )
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{
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return InterlockedIncrement(&m_RefCount);
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}
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virtual ULONG STDMETHODCALLTYPE Release( void )
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{
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long nTemp=InterlockedDecrement(&m_RefCount);
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if (!nTemp) delete this;
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return nTemp;
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}
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// IDispatch
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virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount( UINT *pctinfo ) { return E_NOTIMPL; }
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virtual HRESULT STDMETHODCALLTYPE GetTypeInfo( UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo ) { *ppTInfo=NULL; return E_NOTIMPL; }
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virtual HRESULT STDMETHODCALLTYPE GetIDsOfNames( REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId ) { return E_NOTIMPL; }
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virtual HRESULT STDMETHODCALLTYPE Invoke( DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr ) { return E_NOTIMPL; }
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// IAccessible
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virtual HRESULT STDMETHODCALLTYPE get_accParent( IDispatch **ppdispParent );
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virtual HRESULT STDMETHODCALLTYPE get_accChildCount( long *pcountChildren );
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virtual HRESULT STDMETHODCALLTYPE get_accChild( VARIANT varChild, IDispatch **ppdispChild );
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virtual HRESULT STDMETHODCALLTYPE get_accName( VARIANT varChild, BSTR *pszName );
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virtual HRESULT STDMETHODCALLTYPE get_accValue( VARIANT varChild, BSTR *pszValue ) { *pszValue=NULL; return DISP_E_MEMBERNOTFOUND; }
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virtual HRESULT STDMETHODCALLTYPE get_accDescription( VARIANT varChild, BSTR *pszDescription );
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virtual HRESULT STDMETHODCALLTYPE get_accRole( VARIANT varChild, VARIANT *pvarRole );
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virtual HRESULT STDMETHODCALLTYPE get_accState( VARIANT varChild, VARIANT *pvarState );
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virtual HRESULT STDMETHODCALLTYPE get_accHelp( VARIANT varChild, BSTR *pszHelp ) { *pszHelp=NULL; return S_FALSE; }
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virtual HRESULT STDMETHODCALLTYPE get_accHelpTopic( BSTR *pszHelpFile, VARIANT varChild, long *pidTopic ) { *pszHelpFile=NULL; return S_FALSE; }
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virtual HRESULT STDMETHODCALLTYPE get_accKeyboardShortcut( VARIANT varChild, BSTR *pszKeyboardShortcut );
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virtual HRESULT STDMETHODCALLTYPE get_accFocus( VARIANT *pvarChild );
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virtual HRESULT STDMETHODCALLTYPE get_accSelection( VARIANT *pvarChildren );
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virtual HRESULT STDMETHODCALLTYPE get_accDefaultAction( VARIANT varChild, BSTR *pszDefaultAction );
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virtual HRESULT STDMETHODCALLTYPE accSelect( long flagsSelect, VARIANT varChild );
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virtual HRESULT STDMETHODCALLTYPE accLocation( long *pxLeft, long *pyTop, long *pcxWidth, long *pcyHeight, VARIANT varChild );
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virtual HRESULT STDMETHODCALLTYPE accNavigate( long navDir, VARIANT varStart, VARIANT *pvarEndUpAt );
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virtual HRESULT STDMETHODCALLTYPE accHitTest( long xLeft, long yTop, VARIANT *pvarChild );
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virtual HRESULT STDMETHODCALLTYPE accDoDefaultAction( VARIANT varChild );
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virtual HRESULT STDMETHODCALLTYPE put_accName( VARIANT varChild, BSTR szName ) { return E_NOTIMPL; }
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virtual HRESULT STDMETHODCALLTYPE put_accValue( VARIANT varChild, BSTR szValue ) { return DISP_E_MEMBERNOTFOUND; }
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private:
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LONG m_RefCount;
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CMenuContainer *m_pOwner;
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CComPtr<IAccessible> m_pStdAccessible;
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};
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