139 lines
4.8 KiB
C
139 lines
4.8 KiB
C
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#ifndef _IAccessible_h
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#define _IAccessible_h
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#include "oleacc.h"
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#include "mnbase.h"
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#include "menuband.h"
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#define CHILDID_SELF 0
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#define MB_STATE_TRACK 1
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#define MB_STATE_MENU 2
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#define MB_STATE_ITEM 4
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#define TOOLBAR_MASK 0x80000000
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// BUGBUG (lamadio): The designers of the Accessibility interface did not know
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// the rule about COM identity. They allow a QI for the external object IEnumVariant
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class CAccessible : public IAccessible, public IEnumVARIANT, public IOleWindow
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{
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int _cRef;
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// IDispatch Support
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ITypeInfo* _pTypeInfo;
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BOOL _LoadTypeLib();
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// Track menu popup Support
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IAccessible* _pInnerAcc;
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HWND _hwndMenuWindow;
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HMENU _hMenu;
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WORD _wID;
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// Menuband Support
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CMenuToolbarBase* _pmtbBottom;
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CMenuToolbarBase* _pmtbTop;
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IShellMenuAcc* _psma;
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IMenuBand* _pmb;
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// Menuband Item Support
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CMenuToolbarBase* _pmtbItem;
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int _iAccIndex;
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int _iIndex;
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int _iEnumIndex;
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int _idCmd;
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// Object info
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BITBOOL _fInitialized: 1;
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BITBOOL _fState: 3;
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HRESULT _GetVariantFromChildIndex(HWND hwnd, int iIndex, VARIANT* pvarChild);
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HRESULT _GetChildFromVariant(VARIANT* pvarChild, CMenuToolbarBase** ppmtb, int* iIndex);
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HRESULT _GetAccessibleItem(int iIndex, IDispatch** ppdisp);
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HRESULT _GetAccName(BSTR* pbstr);
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HRESULT _Navigate(long navDir, VARIANT varStart, VARIANT * pvarEndUpAt);
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public:
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CAccessible(HMENU, WORD);
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CAccessible(IMenuBand*);
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CAccessible(IMenuBand*, int iIndex);
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virtual ~CAccessible();
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HRESULT InitAcc();
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// *** IUnknown methods ***
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virtual STDMETHODIMP_(ULONG) AddRef();
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virtual STDMETHODIMP_(ULONG) Release();
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virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID FAR* ppvObj);
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// *** IDispatch methods ***
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virtual STDMETHODIMP GetTypeInfoCount(UINT FAR* pctinfo);
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virtual STDMETHODIMP GetTypeInfo(UINT itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo);
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virtual STDMETHODIMP GetIDsOfNames(REFIID riid, OLECHAR FAR* FAR* rgszNames, UINT cNames,
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LCID lcid, DISPID FAR* rgdispid);
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virtual STDMETHODIMP Invoke(DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags,
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DISPPARAMS FAR* pdispparams, VARIANT FAR* pvarResult, EXCEPINFO FAR* pexcepinfo,
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UINT FAR* puArgErr);
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// *** IOleWindow methods ***
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virtual STDMETHODIMP GetWindow(HWND * lphwnd);
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virtual STDMETHODIMP ContextSensitiveHelp(BOOL fEnterMode);
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// *** IAccessible methods ***
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virtual STDMETHODIMP get_accParent(IDispatch * FAR* ppdispParent);
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virtual STDMETHODIMP get_accChildCount(long FAR* pChildCount);
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virtual STDMETHODIMP get_accChild(VARIANT varChildIndex, IDispatch * FAR* ppdispChild);
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virtual STDMETHODIMP get_accName(VARIANT varChild, BSTR* pszName);
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virtual STDMETHODIMP get_accValue(VARIANT varChild, BSTR* pszValue);
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virtual STDMETHODIMP get_accDescription(VARIANT varChild, BSTR FAR* pszDescription);
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virtual STDMETHODIMP get_accRole(VARIANT varChild, VARIANT *pvarRole);
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virtual STDMETHODIMP get_accState(VARIANT varChild, VARIANT *pvarState);
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virtual STDMETHODIMP get_accHelp(VARIANT varChild, BSTR* pszHelp);
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virtual STDMETHODIMP get_accHelpTopic(BSTR* pszHelpFile, VARIANT varChild, long* pidTopic);
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virtual STDMETHODIMP get_accKeyboardShortcut(VARIANT varChild, BSTR* pszKeyboardShortcut);
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virtual STDMETHODIMP get_accFocus(VARIANT FAR * pvarFocusChild);
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virtual STDMETHODIMP get_accSelection(VARIANT FAR * pvarSelectedChildren);
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virtual STDMETHODIMP get_accDefaultAction(VARIANT varChild, BSTR* pszDefaultAction);
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virtual STDMETHODIMP accSelect(long flagsSelect, VARIANT varChild);
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virtual STDMETHODIMP accLocation(long* pxLeft, long* pyTop, long* pcxWidth, long* pcyHeight, VARIANT varChild);
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virtual STDMETHODIMP accNavigate(long navDir, VARIANT varStart, VARIANT * pvarEndUpAt);
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virtual STDMETHODIMP accHitTest(long xLeft, long yTop, VARIANT * pvarChildAtPoint);
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virtual STDMETHODIMP accDoDefaultAction(VARIANT varChild);
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virtual STDMETHODIMP put_accName(VARIANT varChild, BSTR szName);
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virtual STDMETHODIMP put_accValue(VARIANT varChild, BSTR pszValue);
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// *** IEnumVARIANT methods ***
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virtual STDMETHODIMP Next(unsigned long celt,
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VARIANT FAR* rgvar,
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unsigned long FAR* pceltFetched);
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virtual STDMETHODIMP Skip(unsigned long celt);
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virtual STDMETHODIMP Reset();
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virtual STDMETHODIMP Clone(IEnumVARIANT FAR* FAR* ppenum);
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};
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extern "C"
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{
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LRESULT LresultFromObject(REFIID riid, WPARAM wParam, IUnknown*);
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void WINAPI NotifyWinEvent(DWORD event, HWND hwnd,
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LONG idObject, LONG idChild);
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}
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#endif
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