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// 24 december 2014
struct tableAcc {
IAccessibleVtbl *vtbl;
ULONG refcount;
struct table *t;
};
static HRESULT STDMETHODCALLTYPE tableAccQueryInterface(IAccessible *this, REFIID riid, void **ppvObject)
{
if (ppvObject == NULL)
return E_POINTER;
if (IsEqualIID(riid, IID_IUnknown) ||
IsEqualIID(riid, IID_IDispatch) ||
IsEqualIID(riid, IID_IAccessible)) {
*ppvObject = (void *) this;
return S_OK;
}
*ppvObject = NULL;
return E_NOINTERFACE;
}
#define TA ((struct tableAcc *) this)
// TODO use InterlockedIncrement()/InterlockedDecrement() for these?
static ULONG STDMETHODCALLTYPE tableAccAddRef(IAccessible *this)
{
TA->refcount++;
return TA->refcount;
}
static ULONG STDMETHODCALLTYPE tableAccRelease(IAccessible *this)
{
TA->refcount--;
if (TA->refcount == 0) {
tableFree(TA, "error freeing Table accessibility object");
return 0;
}
return TA->refcount;
}
// disregard IDispatch: http://msdn.microsoft.com/en-us/library/windows/desktop/cc307844.aspx
// TODO DISP_E_MEMBERNOTFOUND? http://blogs.msdn.com/b/saraford/archive/2004/08/20/which-controls-support-which-msaa-properties-and-how-these-controls-implement-msaa-properties.aspx
static HRESULT STDMETHODCALLTYPE tableAccGetTypeInfoCount(IAccessible *this, UINT *pctinfo)
{
if (pctinfo == NULL)
return E_INVALIDARG
// TODO assign something to *pctinfo?
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE tableAccGetTypeInfo(IAccessible *this, UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
{
if (ppTInfo == NULL)
return E_INVALIDARG;
*ppTInfo = NULL;
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE tableAccGetIDsOfNames(IAccessible *this, REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
{
// TODO verify this one
if (rgDispId == NULL)
return E_INVALIDARG;
*rgDispId = NULL;
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE tableAccInvoke(IAccessible *this, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
// TODO check this one
return E_NOTIMPL;
}
// IAccessible
static HRESULT STDMETHODCALLTYPE tableAccget_accParent(IAccessible *this, IDispatch **ppdispParent)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccget_accChildCount(IAccessible *this, long *pcountChildren)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccget_accChild(IAccessible *this, VARIANT varChild, IDispatch **ppdispChild)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccget_accName(IAccessible *this, VARIANT varChild, BSTR *pszName)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccget_accValue(IAccessible *this, VARIANT varChild, BSTR *pszValue)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccget_accDescription(IAccessible *this, VARIANT varChild, BSTR *pszDescription)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccget_accRole(IAccessible *this, VARIANT varChild, VARIANT *pvarRole)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccget_accState(IAccessible *this, VARIANT varChild, VARIANT *pvarState)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccget_accHelp(IAccessible *this, VARIANT varChild, BSTR *pszHelp)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccget_accHelpTopic(IAccessible *this, BSTR *pszHelpFile, VARIANT varChild, long *pidTopic)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccget_accKeyboardShortcut(IAccessible *this, VARIANT varChild, BSTR *pszKeyboardShortcut)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccget_accFocus(IAccessible *this, VARIANT *pvarChild)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccget_accSelection(IAccessible *this, VARIANT *pvarChildren)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccget_accDefaultAction(IAccessible *this, VARIANT varChild, BSTR *pszDefaultAction)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccaccSelect(IAccessible *this, long flagsSelect, VARIANT varChild)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccaccLocation(IAccessible *this, long *pxLeft, long *pyTop, long *pcxWidth, long *pcyHeight, VARIANT varChild)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccaccNavigate(IAccessible *this, long navDir, VARIANT varStart, VARIANT *pvarEndUpAt)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccaccHitTest(IAccessible *this, long xLeft, long yTop, VARIANT *pvarChild)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccaccDoDefaultAction(IAccessible *this, VARIANT varChild)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccput_accName(IAccessible *this, VARIANT varChild, BSTR szName)
{
// TODO
}
static HRESULT STDMETHODCALLTYPE tableAccput_accValue(IAccessible *this, VARIANT varChild, BSTR szValue)
{
// TODO
}
static const IAccessibleVtbl tableAccVtbl = {
.QueryInterface = tableAccQueryInterface,
.AddRef = tableAccAddRef,
.Release = tableAccRelease,
.GetTypeInfoCount = tableAccGetTypeInfoCount,
.GetTypeInfo = tableAccGetTypeInfo,
.GetIDsOfNames = tableAccGetIDsOfNames,
.Invoke = tableAccInvoke,
.get_accParent = tableAccget_accParent,
.get_accChildCount = tableAccget_accChildCount,
.get_accChild = tableAccget_accChild,
.get_accName = tableAccget_accName,
.get_accValue = tableAccget_accValue,
.get_accDescription = tableAccget_accDescription,
.get_accRole = tableAccget_accRole,
.get_accState = tableAccget_accState,
.get_accHelp = tableAccget_accHelp,
.get_accHelpTopic = tableAccget_accHelpTopic,
.get_accKeyboardShortcut = tableAccget_accKeyboardShortcut,
.get_accFocus = tableAccget_accFocus,
.get_accSelection = tableAccget_accSelection,
.get_accDefaultAction = tableAccget_accDefaultAction,
.accSelect = tableAccaccSelect,
.accLocation = tableAccaccLocation,
.accNavigate = tableAccaccNavigate,
.accHitTest = tableAccaccHitTest,
.accDoDefaultAction = tableAccaccDoDefaultAction,
.put_accName = tableAccput_accName,
.put_accValue = tableAccput_accValue,
};
static struct tableAcc *newTableAcc(struct table *t)
{
struct tableAcc *ta;
ta = (struct tableAcc *) tableAlloc(sizeof (struct tableAcc), "error creating Table accessibility object");
ta->vtbl = &tableAccVtbl;
ta->vtbl->AddRef(vtbl);
ta->t = t;
return ta;
}
static void freeTableAcc(struct tableAcc *ta)
{
ta->t = NULL;
ta->vtbl->Release(ta);
}
HANDLER(accessibilityHandler)
{
if (uMsg != WM_GETOBJECT)
return FALSE;
if (wParam != OBJID_CLIENT)
return FALSE;
*lResult = LresultFromObject(IID_IAccessible, wParam, t->ta);
// TODO check *lResult
return TRUE;
}
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