// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "access.h"
#endif
#include "wx/log.h"
#include "wx/access.h"
-#include <windows.h>
+#include "wx/msw/wrapwin.h"
// for some compilers, the entire ole2.h must be included, not only oleauto.h
#if wxUSE_NORLANDER_HEADERS || defined(__WATCOMC__)
#include <oleauto.h>
#include <oleacc.h>
+#include <winable.h>
#include "wx/msw/ole/oleutils.h"
{
public:
wxIEnumVARIANT(const wxVariant& variant);
- ~wxIEnumVARIANT() { }
+ virtual ~wxIEnumVARIANT() { }
DECLARE_IUNKNOWN_METHODS;
VARIANT *pVarResult, EXCEPINFO *pExcepInfo,
unsigned int *puArgErr );
+// Helpers
+
+ // Gets the standard IAccessible interface for the given child or object.
+ // Call Release if this is non-NULL.
+ IAccessible* GetChildStdAccessible(int id);
+
+ // Gets the IAccessible interface for the given child or object.
+ // Call Release if this is non-NULL.
+ IAccessible* GetChildAccessible(int id);
+
private:
wxAccessible *m_pAccessible; // pointer to C++ class we belong to
STDMETHODIMP wxIAccessible::accHitTest(long xLeft, long yLeft, VARIANT* pVarID)
{
+ wxLogTrace(wxT("access"), "accHitTest");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
// Use standard interface instead.
IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
if (!stdInterface)
- return E_FAIL;
+ return E_NOTIMPL;
else
return stdInterface->accHitTest(xLeft, yLeft, pVarID);
}
{
wxIAccessible* childIA = childObject->GetIAccessible();
if (!childIA)
- return E_FAIL;
+ return E_NOTIMPL;
- if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) pVarID->pdispVal) != S_OK)
+ if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarID->pdispVal) != S_OK)
return E_FAIL;
pVarID->vt = VT_DISPATCH;
- pVarID->pdispVal->AddRef();
return S_OK;
}
}
return S_FALSE;
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Retrieves the specified object's current screen location. All visual objects must
STDMETHODIMP wxIAccessible::accLocation ( long* pxLeft, long* pyTop, long* pcxWidth, long* pcyHeight, VARIANT varID)
{
+ wxLogTrace(wxT("access"), "accLocation");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
if (status == wxACC_NOT_IMPLEMENTED)
{
- // Use standard interface instead.
- IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
- if (!stdInterface)
- return E_FAIL;
- else
- return stdInterface->accLocation(pxLeft, pyTop, pcxWidth, pcyHeight, varID);
+ // Try to use child object directly.
+ if (varID.lVal > 0)
+ {
+ IAccessible* childAccessible = GetChildAccessible(varID.lVal);
+ if (childAccessible)
+ {
+ varID.lVal = 0;
+ HRESULT hResult = childAccessible->accLocation(pxLeft, pyTop, pcxWidth, pcyHeight, varID);
+ childAccessible->Release();
+ return hResult;
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accLocation(pxLeft, pyTop, pcxWidth, pcyHeight, varID);
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accLocation(pxLeft, pyTop, pcxWidth, pcyHeight, varID);
}
else
{
return S_OK;
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Traverses to another user interface element within a container and retrieves the object.
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
+ wxLogTrace(wxT("access"), wxString(wxT("accNavigate for ")) + m_pAccessible->GetWindow()->GetClassInfo()->GetClassName());
- if (varStart.vt != VT_I4)
+ if ((varStart.vt != VT_I4 && varStart.vt != VT_EMPTY) || varStart.vt < 0)
+ {
+ wxLogTrace(wxT("access"), "Invalid arg for accNavigate");
return E_INVALIDARG;
+ }
wxAccessible* elementObject = NULL;
int elementId = 0;
VariantInit(pVarEnd);
wxNavDir navDirWX = wxNAVDIR_FIRSTCHILD;
+ wxString navStr;
+
switch (navDir)
{
case NAVDIR_DOWN:
navDirWX = wxNAVDIR_DOWN;
+ navStr = wxT("wxNAVDIR_DOWN");
break;
case NAVDIR_FIRSTCHILD:
navDirWX = wxNAVDIR_FIRSTCHILD;
+ navStr = wxT("wxNAVDIR_FIRSTCHILD");
break;
case NAVDIR_LASTCHILD:
navDirWX = wxNAVDIR_LASTCHILD;
+ navStr = wxT("wxNAVDIR_LASTCHILD");
break;
case NAVDIR_LEFT:
navDirWX = wxNAVDIR_LEFT;
+ navStr = wxT("wxNAVDIR_LEFT");
break;
case NAVDIR_NEXT:
navDirWX = wxNAVDIR_NEXT;
+ navStr = wxT("wxNAVDIR_NEXT");
break;
case NAVDIR_PREVIOUS:
navDirWX = wxNAVDIR_PREVIOUS;
+ navStr = wxT("wxNAVDIR_PREVIOUS");
break;
case NAVDIR_RIGHT:
navDirWX = wxNAVDIR_RIGHT;
+ navStr = wxT("wxNAVDIR_RIGHT");
break;
case NAVDIR_UP:
navDirWX = wxNAVDIR_UP;
+ navStr = wxT("wxNAVDIR_UP");
break;
+ default:
+ {
+ wxLogTrace(wxT("access"), wxT("Unknown NAVDIR symbol"));
+ break;
+ }
}
+ wxLogTrace(wxT("access"), navStr);
wxAccStatus status = m_pAccessible->Navigate(navDirWX, varStart.lVal, & elementId,
& elementObject);
if (status == wxACC_FAIL)
+ {
+ wxLogTrace(wxT("access"), "wxAccessible::Navigate failed");
return E_FAIL;
+ }
+
+ if (status == wxACC_FALSE)
+ {
+ wxLogTrace(wxT("access"), "wxAccessible::Navigate found no object in this direction");
+ return S_FALSE;
+ }
if (status == wxACC_NOT_IMPLEMENTED)
{
- // Use standard interface instead.
- IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
- if (!stdInterface)
- return E_FAIL;
- else
- return stdInterface->accNavigate ( navDir, varStart, pVarEnd);
+ wxLogTrace(wxT("access"), "Navigate not implemented");
+
+ // Try to use child object directly.
+ if (varStart.vt == VT_I4 && varStart.lVal > 0)
+ {
+ IAccessible* childAccessible = GetChildAccessible(varStart.lVal);
+ if (childAccessible)
+ {
+ varStart.lVal = 0;
+ HRESULT hResult = childAccessible->accNavigate(navDir, varStart, pVarEnd);
+ childAccessible->Release();
+ return hResult;
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accNavigate(navDir, varStart, pVarEnd);
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accNavigate(navDir, varStart, pVarEnd);
}
else
{
if (elementObject)
{
+ wxLogTrace(wxT("access"), "Getting wxIAccessible and calling QueryInterface for Navigate");
wxIAccessible* objectIA = elementObject->GetIAccessible();
if (!objectIA)
+ {
+ wxLogTrace(wxT("access"), "No wxIAccessible");
return E_FAIL;
+ }
- if (objectIA->QueryInterface(IID_IDispatch, (LPVOID*) pVarEnd->pdispVal) != S_OK)
+ HRESULT hResult = objectIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarEnd->pdispVal);
+ if (hResult != S_OK)
+ {
+ wxLogTrace(wxT("access"), "QueryInterface failed");
return E_FAIL;
+ }
+ wxLogTrace(wxT("access"), "Called QueryInterface for Navigate");
pVarEnd->vt = VT_DISPATCH;
- pVarEnd->pdispVal->AddRef();
return S_OK;
}
else if (elementId > 0)
{
+ wxLogTrace(wxT("access"), "Returning element id from Navigate");
pVarEnd->vt = VT_I4;
pVarEnd->lVal = elementId;
return S_OK;
}
else
{
+ wxLogTrace(wxT("access"), "No object in accNavigate");
pVarEnd->vt = VT_EMPTY;
return S_FALSE;
}
}
- return E_FAIL;
+ wxLogTrace(wxT("access"), "Failing Navigate");
+ return E_NOTIMPL;
}
// Retrieves the address of an IDispatch interface for the specified child.
STDMETHODIMP wxIAccessible::get_accChild ( VARIANT varChildID, IDispatch** ppDispChild)
{
+ wxLogTrace(wxT("access"), "get_accChild");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
if (varChildID.vt != VT_I4)
+ {
+ wxLogTrace(wxT("access"), "Invalid arg for get_accChild");
return E_INVALIDARG;
+ }
if (varChildID.lVal == CHILDID_SELF)
{
wxAccStatus status = m_pAccessible->GetChild(varChildID.lVal, & child);
if (status == wxACC_FAIL)
+ {
+ wxLogTrace(wxT("access"), "GetChild failed");
return E_FAIL;
+ }
if (status == wxACC_NOT_IMPLEMENTED)
{
// Use standard interface instead.
IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
if (!stdInterface)
- return E_FAIL;
+ return E_NOTIMPL;
else
+ {
+ wxLogTrace(wxT("access"), "Using standard interface for get_accChild");
return stdInterface->get_accChild (varChildID, ppDispChild);
+ }
}
else
{
{
wxIAccessible* objectIA = child->GetIAccessible();
if (!objectIA)
- return E_FAIL;
+ return E_NOTIMPL;
if (objectIA->QueryInterface(IID_IDispatch, (LPVOID*) ppDispChild) != S_OK)
+ {
+ wxLogTrace(wxT("access"), "QueryInterface failed in get_accChild");
return E_FAIL;
+ }
- (*ppDispChild)->AddRef();
return S_OK;
}
else
+ {
+ wxLogTrace(wxT("access"), "Not an accessible object");
return S_FALSE; // Indicates it's not an accessible object
+ }
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Retrieves the number of children that belong to this object.
STDMETHODIMP wxIAccessible::get_accChildCount ( long* pCountChildren)
{
+ wxLogTrace(wxT("access"), "get_accChildCount");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
// Use standard interface instead.
IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
if (!stdInterface)
- return E_FAIL;
+ return E_NOTIMPL;
else
- return stdInterface->get_accChildCount (pCountChildren);
+ {
+ wxLogTrace(wxT("access"), "Using standard interface for get_accChildCount");
+ HRESULT res = stdInterface->get_accChildCount (pCountChildren);
+ wxString str;
+ str.Printf(wxT("Number of children was %d"), (int) (*pCountChildren));
+ wxLogTrace(wxT("access"), str);
+ return res;
+ }
}
else
{
return S_OK;
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Retrieves the IDispatch interface of the object's parent.
STDMETHODIMP wxIAccessible::get_accParent ( IDispatch** ppDispParent)
{
+ wxLogTrace(wxT("access"), "get_accParent");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
wxAccessible* parent = NULL;
wxAccStatus status = m_pAccessible->GetParent(& parent);
+
if (status == wxACC_FAIL)
return E_FAIL;
-
- if (status == wxACC_NOT_IMPLEMENTED)
+
+ // It doesn't seem acceptable to return S_FALSE with a NULL
+ // ppDispParent, so if we have no wxWindows parent, we leave
+ // it to the standard interface.
+ if (status == wxACC_NOT_IMPLEMENTED || !parent)
{
+ wxLogTrace(wxT("access"), "Using standard interface to get the parent.");
// Use standard interface instead.
IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
if (!stdInterface)
- return E_FAIL;
+ return E_NOTIMPL;
else
return stdInterface->get_accParent (ppDispParent);
}
if (!objectIA)
return E_FAIL;
+ wxLogTrace(wxT("access"), "About to call QueryInterface");
if (objectIA->QueryInterface(IID_IDispatch, (LPVOID*) ppDispParent) != S_OK)
+ {
+ wxLogTrace(wxT("access"), "Failed QueryInterface");
return E_FAIL;
+ }
- (*ppDispParent)->AddRef();
+ wxLogTrace(wxT("access"), "Returning S_OK for get_accParent");
return S_OK;
-/*
- wxIAccessible* objectIA = parent->GetIAccessible();
- if (!objectIA)
- return E_FAIL;
- objectIA->AddRef();
- *ppDispParent = objectIA;
- return S_OK;
-*/
}
else
{
+ // This doesn't seem to be allowed, despite the documentation,
+ // so we handle it higher up by using the standard interface.
+ wxLogTrace(wxT("access"), "Returning NULL parent because there was none");
*ppDispParent = NULL;
- return S_OK;
+ return S_FALSE;
}
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Performs the object's default action. Not all objects have a default
STDMETHODIMP wxIAccessible::accDoDefaultAction(VARIANT varID)
{
+ wxLogTrace(wxT("access"), "accDoDefaultAction");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
if (varID.vt != VT_I4)
+ {
+ wxLogTrace(wxT("access"), "Invalid arg for accDoDefaultAction");
return E_INVALIDARG;
+ }
wxAccStatus status = m_pAccessible->DoDefaultAction(varID.lVal);
if (status == wxACC_FAIL)
if (status == wxACC_NOT_IMPLEMENTED)
{
- // Use standard interface instead.
- IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
- if (!stdInterface)
- return E_FAIL;
- else
- return stdInterface->accDoDefaultAction(varID);
+ // Try to use child object directly.
+ if (varID.lVal > 0)
+ {
+ IAccessible* childAccessible = GetChildAccessible(varID.lVal);
+ if (childAccessible)
+ {
+ varID.lVal = 0;
+ HRESULT hResult = childAccessible->accDoDefaultAction(varID);
+ childAccessible->Release();
+ return hResult;
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accDoDefaultAction(varID);
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accDoDefaultAction(varID);
}
return E_FAIL;
}
STDMETHODIMP wxIAccessible::get_accDefaultAction ( VARIANT varID, BSTR* pszDefaultAction)
{
+ wxLogTrace(wxT("access"), "get_accDefaultAction");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
if (varID.vt != VT_I4)
+ {
+ wxLogTrace(wxT("access"), "Invalid arg for get_accDefaultAction");
return E_INVALIDARG;
+ }
wxString defaultAction;
wxAccStatus status = m_pAccessible->GetDefaultAction(varID.lVal, & defaultAction);
if (status == wxACC_NOT_IMPLEMENTED)
{
- // Use standard interface instead.
- IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
- if (!stdInterface)
- return E_FAIL;
- else
- return stdInterface->get_accDefaultAction (varID, pszDefaultAction);
+ // Try to use child object directly.
+ if (varID.lVal > 0)
+ {
+ IAccessible* childAccessible = GetChildAccessible(varID.lVal);
+ if (childAccessible)
+ {
+ varID.lVal = 0;
+ HRESULT hResult = childAccessible->get_accDefaultAction(varID, pszDefaultAction);
+ childAccessible->Release();
+ return hResult;
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accDefaultAction(varID, pszDefaultAction);
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accDefaultAction(varID, pszDefaultAction);
}
else
{
STDMETHODIMP wxIAccessible::get_accDescription ( VARIANT varID, BSTR* pszDescription)
{
+ wxLogTrace(wxT("access"), "get_accDescription");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
if (varID.vt != VT_I4)
+ {
+ wxLogTrace(wxT("access"), "Invalid arg for get_accDescription");
return E_INVALIDARG;
+ }
wxString description;
wxAccStatus status = m_pAccessible->GetDescription(varID.lVal, & description);
if (status == wxACC_NOT_IMPLEMENTED)
{
- // Use standard interface instead.
- IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
- if (!stdInterface)
- return E_FAIL;
- else
- return stdInterface->get_accDescription (varID, pszDescription);
+ // Try to use child object directly.
+ if (varID.lVal > 0)
+ {
+ IAccessible* childAccessible = GetChildAccessible(varID.lVal);
+ if (childAccessible)
+ {
+ varID.lVal = 0;
+ HRESULT hResult = childAccessible->get_accDescription(varID, pszDescription);
+ childAccessible->Release();
+ return hResult;
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accDescription(varID, pszDescription);
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accDescription(varID, pszDescription);
}
else
{
return S_OK;
}
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Retrieves an object's Help property string.
STDMETHODIMP wxIAccessible::get_accHelp ( VARIANT varID, BSTR* pszHelp)
{
+ wxLogTrace(wxT("access"), "get_accHelp");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
if (varID.vt != VT_I4)
+ {
+ wxLogTrace(wxT("access"), "Invalid arg for get_accHelp");
return E_INVALIDARG;
+ }
wxString helpString;
wxAccStatus status = m_pAccessible->GetHelpText(varID.lVal, & helpString);
if (status == wxACC_NOT_IMPLEMENTED)
{
- // Use standard interface instead.
- IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
- if (!stdInterface)
- return E_FAIL;
- else
- return stdInterface->get_accHelp (varID, pszHelp);
+ // Try to use child object directly.
+ if (varID.lVal > 0)
+ {
+ IAccessible* childAccessible = GetChildAccessible(varID.lVal);
+ if (childAccessible)
+ {
+ varID.lVal = 0;
+ HRESULT hResult = childAccessible->get_accHelp(varID, pszHelp);
+ childAccessible->Release();
+ return hResult;
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accHelp(varID, pszHelp);
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accHelp (varID, pszHelp);
}
else
{
return S_OK;
}
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Retrieves the full path of the WinHelp file associated with the specified
STDMETHODIMP wxIAccessible::get_accHelpTopic ( BSTR* pszHelpFile, VARIANT varChild, long* pidTopic)
{
+ wxLogTrace(wxT("access"), "get_accHelpTopic");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
if (varChild.vt != VT_I4)
+ {
+ wxLogTrace(wxT("access"), "Invalid arg for get_accHelpTopic");
return E_INVALIDARG;
+ }
wxAccStatus status = wxACC_NOT_IMPLEMENTED;
if (status == wxACC_FAIL)
if (status == wxACC_NOT_IMPLEMENTED)
{
- // Use standard interface instead.
- IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
- if (!stdInterface)
- return E_FAIL;
- else
- return stdInterface->get_accHelpTopic (pszHelpFile, varChild, pidTopic);
+ // Try to use child object directly.
+ if (varChild.lVal > 0)
+ {
+ IAccessible* childAccessible = GetChildAccessible(varChild.lVal);
+ if (childAccessible)
+ {
+ varChild.lVal = 0;
+ HRESULT hResult = childAccessible->get_accHelpTopic(pszHelpFile, varChild, pidTopic);
+ childAccessible->Release();
+ return hResult;
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accHelpTopic(pszHelpFile, varChild, pidTopic);
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accHelpTopic (pszHelpFile, varChild, pidTopic);
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Retrieves the specified object's shortcut key or access key, also known as
STDMETHODIMP wxIAccessible::get_accKeyboardShortcut ( VARIANT varID, BSTR* pszKeyboardShortcut)
{
+ wxLogTrace(wxT("access"), "get_accKeyboardShortcut");
*pszKeyboardShortcut = NULL;
wxASSERT (m_pAccessible != NULL);
return E_FAIL;
if (varID.vt != VT_I4)
+ {
+ wxLogTrace(wxT("access"), "Invalid arg for get_accKeyboardShortcut");
return E_INVALIDARG;
+ }
wxString keyboardShortcut;
- wxAccStatus status = m_pAccessible->GetHelpText(varID.lVal, & keyboardShortcut);
+ wxAccStatus status = m_pAccessible->GetKeyboardShortcut(varID.lVal, & keyboardShortcut);
if (status == wxACC_FAIL)
return E_FAIL;
if (status == wxACC_NOT_IMPLEMENTED)
{
- // Use standard interface instead.
- IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
- if (!stdInterface)
- return E_FAIL;
- else
- return stdInterface->get_accKeyboardShortcut(varID, pszKeyboardShortcut);
+ // Try to use child object directly.
+ if (varID.lVal > 0)
+ {
+ IAccessible* childAccessible = GetChildAccessible(varID.lVal);
+ if (childAccessible)
+ {
+ varID.lVal = 0;
+ HRESULT hResult = childAccessible->get_accKeyboardShortcut(varID, pszKeyboardShortcut);
+ childAccessible->Release();
+ return hResult;
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accKeyboardShortcut(varID, pszKeyboardShortcut);
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accKeyboardShortcut (varID, pszKeyboardShortcut);
}
else
{
return S_OK;
}
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Retrieves the name of the specified object.
STDMETHODIMP wxIAccessible::get_accName ( VARIANT varID, BSTR* pszName)
{
+ wxLogTrace(wxT("access"), "get_accName");
*pszName = NULL;
wxASSERT (m_pAccessible != NULL);
return E_FAIL;
if (varID.vt != VT_I4)
+ {
+ wxLogTrace(wxT("access"), "Invalid arg for get_accName");
return E_INVALIDARG;
+ }
wxString name;
if (status == wxACC_NOT_IMPLEMENTED)
{
- // Use standard interface instead.
- IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
- if (!stdInterface)
- return E_FAIL;
- else
- return stdInterface->get_accName (varID, pszName);
+ // Try to use child object directly.
+ if (varID.lVal > 0)
+ {
+ IAccessible* childAccessible = GetChildAccessible(varID.lVal);
+ if (childAccessible)
+ {
+ varID.lVal = 0;
+ HRESULT hResult = childAccessible->get_accName(varID, pszName);
+ childAccessible->Release();
+ return hResult;
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accName(varID, pszName);
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accName (varID, pszName);
}
else
{
*pszName = basicString.Get();
return S_OK;
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Retrieves information that describes the role of the specified object.
STDMETHODIMP wxIAccessible::get_accRole ( VARIANT varID, VARIANT* pVarRole)
{
+ wxLogTrace(wxT("access"), "get_accRole");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
if (varID.vt != VT_I4)
+ {
+ wxLogTrace(wxT("access"), "Invalid arg for get_accRole");
return E_INVALIDARG;
+ }
VariantInit(pVarRole);
if (status == wxACC_NOT_IMPLEMENTED)
{
- // Use standard interface instead.
- IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
- if (!stdInterface)
- return E_FAIL;
- else
- return stdInterface->get_accRole (varID, pVarRole);
+ // Try to use child object directly.
+ if (varID.lVal > 0)
+ {
+ IAccessible* childAccessible = GetChildAccessible(varID.lVal);
+ if (childAccessible)
+ {
+ varID.lVal = 0;
+ HRESULT hResult = childAccessible->get_accRole(varID, pVarRole);
+ childAccessible->Release();
+ return hResult;
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accRole(varID, pVarRole);
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accRole (varID, pVarRole);
}
else
{
return S_OK;
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Retrieves the current state of the specified object.
STDMETHODIMP wxIAccessible::get_accState ( VARIANT varID, VARIANT* pVarState)
{
+ wxLogTrace(wxT("access"), "get_accState");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
- if (varID.vt != VT_I4)
+ if (varID.vt != VT_I4 && varID.vt != VT_EMPTY)
+ {
+ wxLogTrace(wxT("access"), "Invalid arg for get_accState");
return E_INVALIDARG;
+ }
long wxstate = 0;
if (status == wxACC_NOT_IMPLEMENTED)
{
- // Use standard interface instead.
- IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
- if (!stdInterface)
- return E_FAIL;
- else
- return stdInterface->get_accState (varID, pVarState);
+ // Try to use child object directly.
+ if (varID.lVal > 0)
+ {
+ IAccessible* childAccessible = GetChildAccessible(varID.lVal);
+ if (childAccessible)
+ {
+ varID.lVal = 0;
+ HRESULT hResult = childAccessible->get_accState(varID, pVarState);
+ childAccessible->Release();
+ return hResult;
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accState(varID, pVarState);
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accState (varID, pVarState);
}
else
{
pVarState->vt = VT_I4;
return S_OK;
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Retrieves the value of the specified object.
STDMETHODIMP wxIAccessible::get_accValue ( VARIANT varID, BSTR* pszValue)
{
+ wxLogTrace(wxT("access"), "get_accValue");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
if (varID.vt != VT_I4)
+ {
+ wxLogTrace(wxT("access"), "Invalid arg for get_accValue");
return E_INVALIDARG;
+ }
wxString strValue;
if (status == wxACC_NOT_IMPLEMENTED)
{
- // Use standard interface instead.
- IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
- if (!stdInterface)
- return E_FAIL;
- else
- return stdInterface->get_accValue (varID, pszValue);
+ // Try to use child object directly.
+ if (varID.lVal > 0)
+ {
+ IAccessible* childAccessible = GetChildAccessible(varID.lVal);
+ if (childAccessible)
+ {
+ varID.lVal = 0;
+ HRESULT hResult = childAccessible->get_accValue(varID, pszValue);
+ childAccessible->Release();
+ return hResult;
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accValue(varID, pszValue);
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->get_accValue (varID, pszValue);
}
else
{
* pszValue = basicString.Get();
return S_OK;
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Modifies the selection or moves the keyboard focus of the
STDMETHODIMP wxIAccessible::accSelect ( long flagsSelect, VARIANT varID )
{
+ wxLogTrace(wxT("access"), "get_accSelect");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
- if (varID.vt != VT_I4)
+ if (varID.vt != VT_I4 && varID.vt != VT_EMPTY)
+ {
+ wxLogTrace(wxT("access"), "Invalid arg for accSelect");
return E_INVALIDARG;
+ }
wxAccSelectionFlags wxsel = wxConvertFromWindowsSelFlag(flagsSelect);
if (status == wxACC_NOT_IMPLEMENTED)
{
- // Use standard interface instead.
- IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
- if (!stdInterface)
- return E_FAIL;
- else
- return stdInterface->accSelect ( flagsSelect, varID );
+ // Try to use child object directly.
+ if (varID.lVal > 0 && varID.lVal > 0)
+ {
+ IAccessible* childAccessible = GetChildAccessible(varID.lVal);
+ if (childAccessible)
+ {
+ varID.lVal = 0;
+ HRESULT hResult = childAccessible->accSelect(flagsSelect, varID);
+ childAccessible->Release();
+ return hResult;
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accSelect(flagsSelect, varID);
+ }
+ else if (m_pAccessible->GetIAccessibleStd())
+ return ((IAccessible*) m_pAccessible->GetIAccessibleStd())->accSelect(flagsSelect, varID);
}
else
return S_OK;
- return E_FAIL;
+ return E_NOTIMPL;
}
// Retrieves the object that has the keyboard focus. All objects
STDMETHODIMP wxIAccessible::get_accFocus ( VARIANT* pVarID)
{
+ wxLogTrace(wxT("access"), "get_accFocus");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
// Use standard interface instead.
IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
if (!stdInterface)
- return E_FAIL;
+ return E_NOTIMPL;
else
return stdInterface->get_accFocus (pVarID);
}
{
pVarID->vt = VT_I4;
pVarID->lVal = CHILDID_SELF;
- return S_OK;
- }
+ return S_OK; }
else
{
wxIAccessible* childIA = childObject->GetIAccessible();
if (!childIA)
- return E_FAIL;
+ return E_NOTIMPL;
- if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) pVarID->pdispVal) != S_OK)
+ if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarID->pdispVal) != S_OK)
return E_FAIL;
pVarID->vt = VT_DISPATCH;
- pVarID->pdispVal->AddRef();
return S_OK;
}
}
return S_FALSE;
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Retrieves the selected children of this object. All objects
STDMETHODIMP wxIAccessible::get_accSelection ( VARIANT * pVarChildren)
{
+ wxLogTrace(wxT("access"), "get_accSelection");
wxASSERT (m_pAccessible != NULL);
if (!m_pAccessible)
return E_FAIL;
// Use standard interface instead.
IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd();
if (!stdInterface)
- return E_FAIL;
+ return E_NOTIMPL;
else
return stdInterface->get_accSelection (pVarChildren);
}
wxAccessible* childObject = (wxAccessible*) selections.GetVoidPtr();
wxIAccessible* childIA = childObject->GetIAccessible();
if (!childIA)
- return E_FAIL;
+ return E_NOTIMPL;
- if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) pVarChildren->pdispVal) != S_OK)
+ if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarChildren->pdispVal) != S_OK)
return E_FAIL;
pVarChildren->vt = VT_DISPATCH;
- pVarChildren->pdispVal->AddRef();
return S_OK;
}
}
}
- return E_FAIL;
+ return E_NOTIMPL;
}
// Get type info
return E_NOTIMPL;
}
+// Gets the standard IAccessible interface for the given child or object.
+// Call Release if this is non-NULL.
+IAccessible* wxIAccessible::GetChildStdAccessible(int id)
+{
+ if (id == 0)
+ {
+ IAccessible* obj = (IAccessible*)m_pAccessible->GetIAccessibleStd();
+
+ obj->AddRef();
+ return obj;
+ }
+ else
+ {
+ VARIANT var;
+ VariantInit(& var);
+ var.vt = VT_I4;
+ var.lVal = id;
+ IDispatch* pDispatch = NULL;
+ if (S_OK == get_accChild ( var, & pDispatch))
+ {
+ IAccessible* childAccessible = NULL;
+ if (pDispatch->QueryInterface(IID_IAccessible, (LPVOID*) & childAccessible) == S_OK)
+ {
+ pDispatch->Release();
+ wxIAccessible* c = (wxIAccessible*) childAccessible;
+ IAccessible* stdChildAccessible = (IAccessible*) c->m_pAccessible->GetIAccessibleStd();
+ stdChildAccessible->AddRef();
+ childAccessible->Release();
+ return stdChildAccessible;
+ }
+ else
+ {
+ pDispatch->Release();
+ }
+ }
+ }
+
+#if 0
+ {
+ // Loop until we find the right id
+ long nChildren = 0;
+ this->get_accChildCount(& nChildren);
+
+ int i;
+ for (i = 0; i < nChildren; i++)
+ {
+ long obtained = 0;
+ VARIANT var;
+ VariantInit(& var);
+ var.vt = VT_I4;
+ if (S_OK == AccessibleChildren(this, i, 1, & var, &obtained))
+ {
+ if (var.lVal == id)
+ {
+ VariantInit(& var);
+ var.vt = VT_DISPATCH;
+ if (S_OK == AccessibleChildren(this, i, 1, & var, &obtained))
+ {
+ IAccessible* childAccessible = NULL;
+ if (var.pdispVal->QueryInterface(IID_IAccessible, (LPVOID*) & childAccessible) == S_OK)
+ {
+ var.pdispVal->Release();
+ return childAccessible;
+ }
+ else
+ {
+ var.pdispVal->Release();
+ }
+ }
+ }
+ break;
+ }
+ }
+ }
+#endif
+ return NULL;
+}
+
+// Gets the IAccessible interface for the given child or object.
+// Call Release if this is non-NULL.
+IAccessible* wxIAccessible::GetChildAccessible(int id)
+{
+ if (id == 0)
+ {
+ IAccessible* obj = this;
+
+ obj->AddRef();
+ return obj;
+ }
+ else
+ {
+ VARIANT var;
+ VariantInit(& var);
+ var.vt = VT_I4;
+ var.lVal = id;
+ IDispatch* pDispatch = NULL;
+ if (S_OK == get_accChild ( var, & pDispatch))
+ {
+ IAccessible* childAccessible = NULL;
+ if (pDispatch->QueryInterface(IID_IAccessible, (LPVOID*) & childAccessible) == S_OK)
+ {
+ pDispatch->Release();
+ return childAccessible;
+ }
+ else
+ {
+ pDispatch->Release();
+ }
+ }
+ }
+ return NULL;
+}
+
// ----------------------------------------------------------------------------
// wxAccessible implementation
// ----------------------------------------------------------------------------
if (GetWindow())
{
-#if 0
- HRESULT retCode = ::CreateStdAccessibleProxy((HWND) GetWindow()->GetHWND(),
- wxT("wxWindowClass"), OBJID_CLIENT, IID_IAccessible, (void**) & m_pIAccessibleStd);
-#else
HRESULT retCode = ::CreateStdAccessibleObject((HWND) GetWindow()->GetHWND(),
OBJID_CLIENT, IID_IAccessible, (void**) & m_pIAccessibleStd);
-#endif
if (retCode == S_OK)
return m_pIAccessibleStd;
else
return NULL;
}
+// Sends an event when something changes in an accessible object.
+void wxAccessible::NotifyEvent(int eventType, wxWindow* window, wxAccObject objectType,
+ int objectId)
+{
+ ::NotifyWinEvent((DWORD) eventType, (HWND) window->GetHWND(),
+ (LONG) objectType, (LONG) objectId);
+}
+
// Utilities
// Convert to Windows role
projects / wxWidgets.git / blobdiff