/////////////////////////////////////////////////////////////////////////////// // Name: src/msw/ole/access.cpp // Purpose: implementation of wxIAccessible and wxAccessible // Author: Julian Smart // Modified by: // Created: 2003-02-12 // RCS-ID: $Id: access.cpp 62067 2009-09-24 10:15:06Z JS $ // Copyright: (c) 2003 Julian Smart // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ // declarations // ============================================================================ // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #if defined(__BORLANDC__) #pragma hdrstop #endif #if wxUSE_OLE && wxUSE_ACCESSIBILITY #include "wx/access.h" #ifndef WX_PRECOMP #include "wx/msw/wrapwin.h" #include "wx/window.h" #include "wx/log.h" #endif // for some compilers, the entire ole2.h must be included, not only oleauto.h #if wxUSE_NORLANDER_HEADERS || defined(__WATCOMC__) #include #endif #include #include #include "wx/msw/ole/oleutils.h" #ifndef CHILDID_SELF #define CHILDID_SELF 0 #endif #ifndef OBJID_CLIENT #define OBJID_CLIENT 0xFFFFFFFC #endif // Convert to Windows role int wxConvertToWindowsRole(wxAccRole wxrole); // Convert to Windows state long wxConvertToWindowsState(long wxstate); // Convert to Windows selection flag int wxConvertToWindowsSelFlag(wxAccSelectionFlags sel); // Convert from Windows selection flag wxAccSelectionFlags wxConvertFromWindowsSelFlag(int sel); #if wxUSE_VARIANT // ---------------------------------------------------------------------------- // wxIEnumVARIANT interface implementation // ---------------------------------------------------------------------------- class wxIEnumVARIANT : public IEnumVARIANT { public: wxIEnumVARIANT(const wxVariant& variant); virtual ~wxIEnumVARIANT() { } DECLARE_IUNKNOWN_METHODS; // IEnumVARIANT STDMETHODIMP Next(ULONG celt, VARIANT *rgelt, ULONG *pceltFetched); STDMETHODIMP Skip(ULONG celt); STDMETHODIMP Reset(); STDMETHODIMP Clone(IEnumVARIANT **ppenum); private: wxVariant m_variant; // List of further variants int m_nCurrent; // Current enum position DECLARE_NO_COPY_CLASS(wxIEnumVARIANT) }; // ---------------------------------------------------------------------------- // wxIEnumVARIANT // ---------------------------------------------------------------------------- BEGIN_IID_TABLE(wxIEnumVARIANT) ADD_IID(Unknown) ADD_IID(EnumVARIANT) END_IID_TABLE; IMPLEMENT_IUNKNOWN_METHODS(wxIEnumVARIANT) // wxVariant contains a list of further variants. wxIEnumVARIANT::wxIEnumVARIANT(const wxVariant& variant) { m_variant = variant; } STDMETHODIMP wxIEnumVARIANT::Next(ULONG celt, VARIANT *rgelt, ULONG *pceltFetched) { wxLogTrace(wxTRACE_OleCalls, wxT("wxIEnumVARIANT::Next")); if ( celt > 1 ) { // we only return 1 element at a time - mainly because I'm too lazy to // implement something which you're never asked for anyhow return S_FALSE; } if (m_variant.GetType() != wxT("list")) return S_FALSE; if ( m_nCurrent < (int) m_variant.GetList().GetCount() ) { if (!wxConvertVariantToOle(m_variant[m_nCurrent++], rgelt[0])) { return S_FALSE; } // TODO: should we AddRef if this is an object? * pceltFetched = 1; return S_OK; } else { // bad index return S_FALSE; } } STDMETHODIMP wxIEnumVARIANT::Skip(ULONG celt) { wxLogTrace(wxTRACE_OleCalls, wxT("wxIEnumVARIANT::Skip")); if (m_variant.GetType() != wxT("list")) return S_FALSE; m_nCurrent += celt; if ( m_nCurrent < (int) m_variant.GetList().GetCount() ) return S_OK; // no, can't skip this many elements m_nCurrent -= celt; return S_FALSE; } STDMETHODIMP wxIEnumVARIANT::Reset() { wxLogTrace(wxTRACE_OleCalls, wxT("wxIEnumVARIANT::Reset")); m_nCurrent = 0; return S_OK; } STDMETHODIMP wxIEnumVARIANT::Clone(IEnumVARIANT **ppenum) { wxLogTrace(wxTRACE_OleCalls, wxT("wxIEnumVARIANT::Clone")); wxIEnumVARIANT *pNew = new wxIEnumVARIANT(m_variant); pNew->AddRef(); *ppenum = pNew; return S_OK; } #endif // wxUSE_VARIANT // ---------------------------------------------------------------------------- // wxIAccessible implementation of IAccessible interface // ---------------------------------------------------------------------------- class wxIAccessible : public IAccessible { public: wxIAccessible(wxAccessible *pAccessible); // Called to indicate object should prepare to be deleted. void Quiesce(); DECLARE_IUNKNOWN_METHODS; // IAccessible // Navigation and Hierarchy // Retrieves the child element or child object at a given point on the screen. // All visual objects support this method; sound objects do not support it. STDMETHODIMP accHitTest(long xLeft, long yLeft, VARIANT* pVarID); // Retrieves the specified object's current screen location. All visual objects must // support this method; sound objects do not support it. STDMETHODIMP accLocation ( long* pxLeft, long* pyTop, long* pcxWidth, long* pcyHeight, VARIANT varID); // Traverses to another user interface element within a container and retrieves the object. // All visual objects must support this method. STDMETHODIMP accNavigate ( long navDir, VARIANT varStart, VARIANT* pVarEnd); // Retrieves the address of an IDispatch interface for the specified child. // All objects must support this property. STDMETHODIMP get_accChild ( VARIANT varChildID, IDispatch** ppDispChild); // Retrieves the number of children that belong to this object. // All objects must support this property. STDMETHODIMP get_accChildCount ( long* pCountChildren); // Retrieves the IDispatch interface of the object's parent. // All objects support this property. STDMETHODIMP get_accParent ( IDispatch** ppDispParent); // Descriptive Properties and Methods // Performs the object's default action. Not all objects have a default // action. STDMETHODIMP accDoDefaultAction(VARIANT varID); // Retrieves a string that describes the object's default action. // Not all objects have a default action. STDMETHODIMP get_accDefaultAction ( VARIANT varID, BSTR* pszDefaultAction); // Retrieves a string that describes the visual appearance of the specified object. // Not all objects have a description. STDMETHODIMP get_accDescription ( VARIANT varID, BSTR* pszDescription); // Retrieves an object's Help property string. // Not all objects support this property. STDMETHODIMP get_accHelp ( VARIANT varID, BSTR* pszHelp); // Retrieves the full path of the WinHelp file associated with the specified // object and the identifier of the appropriate topic within that file. // Not all objects support this property. STDMETHODIMP get_accHelpTopic ( BSTR* pszHelpFile, VARIANT varChild, long* pidTopic); // Retrieves the specified object's shortcut key or access key, also known as // the mnemonic. All objects that have a shortcut key or access key support // this property. STDMETHODIMP get_accKeyboardShortcut ( VARIANT varID, BSTR* pszKeyboardShortcut); // Retrieves the name of the specified object. // All objects support this property. STDMETHODIMP get_accName ( VARIANT varID, BSTR* pszName); // Retrieves information that describes the role of the specified object. // All objects support this property. STDMETHODIMP get_accRole ( VARIANT varID, VARIANT* pVarRole); // Retrieves the current state of the specified object. // All objects support this property. STDMETHODIMP get_accState ( VARIANT varID, VARIANT* pVarState); // Retrieves the value of the specified object. // Not all objects have a value. STDMETHODIMP get_accValue ( VARIANT varID, BSTR* pszValue); // Selection and Focus // Modifies the selection or moves the keyboard focus of the // specified object. All objects that select or receive the // keyboard focus must support this method. STDMETHODIMP accSelect ( long flagsSelect, VARIANT varID ); // Retrieves the object that has the keyboard focus. All objects // that receive the keyboard focus must support this property. STDMETHODIMP get_accFocus ( VARIANT* pVarID); // Retrieves the selected children of this object. All objects // selected must support this property. STDMETHODIMP get_accSelection ( VARIANT * pVarChildren); // Obsolete STDMETHODIMP put_accName(VARIANT WXUNUSED(varChild), BSTR WXUNUSED(szName)) { return E_FAIL; } STDMETHODIMP put_accValue(VARIANT WXUNUSED(varChild), BSTR WXUNUSED(szName)) { return E_FAIL; } // IDispatch // Get type info STDMETHODIMP GetTypeInfo(unsigned int typeInfo, LCID lcid, ITypeInfo** ppTypeInfo); // Get type info count STDMETHODIMP GetTypeInfoCount(unsigned int* typeInfoCount); // Get ids of names STDMETHODIMP GetIDsOfNames(REFIID riid, OLECHAR** names, unsigned int cNames, LCID lcid, DISPID* dispId); // Invoke STDMETHODIMP Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, 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 bool m_bQuiescing; // Object is to be deleted DECLARE_NO_COPY_CLASS(wxIAccessible) }; // ============================================================================ // Implementation // ============================================================================ // ---------------------------------------------------------------------------- // wxIAccessible implementation // ---------------------------------------------------------------------------- BEGIN_IID_TABLE(wxIAccessible) ADD_IID(Unknown) ADD_IID(Accessible) ADD_IID(Dispatch) END_IID_TABLE; IMPLEMENT_IUNKNOWN_METHODS(wxIAccessible) wxIAccessible::wxIAccessible(wxAccessible *pAccessible) { wxASSERT( pAccessible != NULL ); m_pAccessible = pAccessible; m_bQuiescing = false; } // Called to indicate object should prepare to be deleted. void wxIAccessible::Quiesce() { m_bQuiescing = true; m_pAccessible = NULL; } // Retrieves the child element or child object at a given point on the screen. // All visual objects support this method; sound objects do not support it. STDMETHODIMP wxIAccessible::accHitTest(long xLeft, long yLeft, VARIANT* pVarID) { wxLogTrace(wxT("access"), wxT("accHitTest")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; wxAccessible* childObject = NULL; int childId = 0; VariantInit(pVarID); wxAccStatus status = m_pAccessible->HitTest(wxPoint(xLeft, yLeft), & childId, & childObject); 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_NOTIMPL; else return stdInterface->accHitTest(xLeft, yLeft, pVarID); } if (childObject) { if (childObject == m_pAccessible) { pVarID->vt = VT_I4; pVarID->lVal = CHILDID_SELF; return S_OK; } else { wxIAccessible* childIA = childObject->GetIAccessible(); if (!childIA) return E_NOTIMPL; if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarID->pdispVal) != S_OK) return E_FAIL; pVarID->vt = VT_DISPATCH; return S_OK; } } else if (childId > 0) { pVarID->vt = VT_I4; pVarID->lVal = childId; return S_OK; } else { pVarID->vt = VT_EMPTY; return S_FALSE; } #if 0 // all cases above already cause some return action so below line // is unreachable and cause unnecessary warning return E_NOTIMPL; #endif } // Retrieves the specified object's current screen location. All visual objects must // support this method; sound objects do not support it. STDMETHODIMP wxIAccessible::accLocation ( long* pxLeft, long* pyTop, long* pcxWidth, long* pcyHeight, VARIANT varID) { wxLogTrace(wxT("access"), wxT("accLocation")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; wxRect rect; wxAccStatus status = m_pAccessible->GetLocation(rect, varID.lVal); if (status == wxACC_FAIL) return E_FAIL; if (status == wxACC_NOT_IMPLEMENTED) { // 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 { *pxLeft = rect.x; *pyTop = rect.y; *pcxWidth = rect.width; *pcyHeight = rect.height; return S_OK; } return E_NOTIMPL; } // Traverses to another user interface element within a container and retrieves the object. // All visual objects must support this method. STDMETHODIMP wxIAccessible::accNavigate ( long navDir, VARIANT varStart, VARIANT* pVarEnd) { wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; wxLogTrace(wxT("access"), wxString(wxT("accNavigate for ")) + m_pAccessible->GetWindow()->GetClassInfo()->GetClassName()); if ((varStart.vt != VT_I4 && varStart.vt != VT_EMPTY) #if 0 // according to MSDN and sources varStart.vt is unsigned // so below line cause warning "Condition is always false" || varStart.vt < 0 #endif ) { wxLogTrace(wxT("access"), wxT("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"), wxT("wxAccessible::Navigate failed")); return E_FAIL; } if (status == wxACC_FALSE) { wxLogTrace(wxT("access"), wxT("wxAccessible::Navigate found no object in this direction")); return S_FALSE; } if (status == wxACC_NOT_IMPLEMENTED) { wxLogTrace(wxT("access"), wxT("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"), wxT("Getting wxIAccessible and calling QueryInterface for Navigate")); wxIAccessible* objectIA = elementObject->GetIAccessible(); if (!objectIA) { wxLogTrace(wxT("access"), wxT("No wxIAccessible")); return E_FAIL; } HRESULT hResult = objectIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarEnd->pdispVal); if (hResult != S_OK) { wxLogTrace(wxT("access"), wxT("QueryInterface failed")); return E_FAIL; } wxLogTrace(wxT("access"), wxT("Called QueryInterface for Navigate")); pVarEnd->vt = VT_DISPATCH; return S_OK; } else if (elementId > 0) { wxLogTrace(wxT("access"), wxT("Returning element id from Navigate")); pVarEnd->vt = VT_I4; pVarEnd->lVal = elementId; return S_OK; } else { wxLogTrace(wxT("access"), wxT("No object in accNavigate")); pVarEnd->vt = VT_EMPTY; return S_FALSE; } } wxLogTrace(wxT("access"), wxT("Failing Navigate")); return E_NOTIMPL; } // Retrieves the address of an IDispatch interface for the specified child. // All objects must support this property. STDMETHODIMP wxIAccessible::get_accChild ( VARIANT varChildID, IDispatch** ppDispChild) { wxLogTrace(wxT("access"), wxT("get_accChild")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; if (varChildID.vt != VT_I4) { wxLogTrace(wxT("access"), wxT("Invalid arg for get_accChild")); return E_INVALIDARG; } if (varChildID.lVal == CHILDID_SELF) { *ppDispChild = this; AddRef(); return S_OK; } wxAccessible* child = NULL; wxAccStatus status = m_pAccessible->GetChild(varChildID.lVal, & child); if (status == wxACC_FAIL) { wxLogTrace(wxT("access"), wxT("GetChild failed")); return E_FAIL; } if (status == wxACC_NOT_IMPLEMENTED) { // Use standard interface instead. IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd(); if (!stdInterface) return E_NOTIMPL; else { wxLogTrace(wxT("access"), wxT("Using standard interface for get_accChild")); return stdInterface->get_accChild (varChildID, ppDispChild); } } else { if (child) { wxIAccessible* objectIA = child->GetIAccessible(); if (!objectIA) return E_NOTIMPL; if (objectIA->QueryInterface(IID_IDispatch, (LPVOID*) ppDispChild) != S_OK) { wxLogTrace(wxT("access"), wxT("QueryInterface failed in get_accChild")); return E_FAIL; } return S_OK; } else { wxLogTrace(wxT("access"), wxT("Not an accessible object")); return S_FALSE; // Indicates it's not an accessible object } } #if 0 // all cases above already cause some return action so below line // is unreachable and cause unnecessary warning return E_NOTIMPL; #endif } // Retrieves the number of children that belong to this object. // All objects must support this property. STDMETHODIMP wxIAccessible::get_accChildCount ( long* pCountChildren) { wxLogTrace(wxT("access"), wxT("get_accChildCount")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; int childCount = 0; wxAccStatus status = m_pAccessible->GetChildCount(& childCount); 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_NOTIMPL; else { wxLogTrace(wxT("access"), wxT("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 { * pCountChildren = (long) childCount; return S_OK; } #if 0 // all cases above already cause some return action so below line // is unreachable and cause unnecessary warning return E_NOTIMPL; #endif } // Retrieves the IDispatch interface of the object's parent. // All objects support this property. STDMETHODIMP wxIAccessible::get_accParent ( IDispatch** ppDispParent) { wxLogTrace(wxT("access"), wxT("get_accParent")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; wxAccessible* parent = NULL; wxAccStatus status = m_pAccessible->GetParent(& parent); if (status == wxACC_FAIL) return E_FAIL; // It doesn't seem acceptable to return S_FALSE with a NULL // ppDispParent, so if we have no wxWidgets parent, we leave // it to the standard interface. if (status == wxACC_NOT_IMPLEMENTED || !parent) { wxLogTrace(wxT("access"), wxT("Using standard interface to get the parent.")); // Use standard interface instead. IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd(); if (!stdInterface) return E_NOTIMPL; else return stdInterface->get_accParent (ppDispParent); } else { if (parent) { wxIAccessible* objectIA = parent->GetIAccessible(); if (!objectIA) return E_FAIL; wxLogTrace(wxT("access"), wxT("About to call QueryInterface")); if (objectIA->QueryInterface(IID_IDispatch, (LPVOID*) ppDispParent) != S_OK) { wxLogTrace(wxT("access"), wxT("Failed QueryInterface")); return E_FAIL; } wxLogTrace(wxT("access"), wxT("Returning S_OK for get_accParent")); 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"), wxT("Returning NULL parent because there was none")); *ppDispParent = NULL; return S_FALSE; } } #if 0 // all cases above already cause some return action so below line // is unreachable and cause unnecessary warning return E_NOTIMPL; #endif } // Performs the object's default action. Not all objects have a default // action. STDMETHODIMP wxIAccessible::accDoDefaultAction(VARIANT varID) { wxLogTrace(wxT("access"), wxT("accDoDefaultAction")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; if (varID.vt != VT_I4) { wxLogTrace(wxT("access"), wxT("Invalid arg for accDoDefaultAction")); return E_INVALIDARG; } wxAccStatus status = m_pAccessible->DoDefaultAction(varID.lVal); if (status == wxACC_FAIL) return E_FAIL; if (status == wxACC_NOT_SUPPORTED) return DISP_E_MEMBERNOTFOUND; if (status == wxACC_NOT_IMPLEMENTED) { // 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; } // Retrieves a string that describes the object's default action. // Not all objects have a default action. STDMETHODIMP wxIAccessible::get_accDefaultAction ( VARIANT varID, BSTR* pszDefaultAction) { wxLogTrace(wxT("access"), wxT("get_accDefaultAction")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; if (varID.vt != VT_I4) { wxLogTrace(wxT("access"), wxT("Invalid arg for get_accDefaultAction")); return E_INVALIDARG; } wxString defaultAction; wxAccStatus status = m_pAccessible->GetDefaultAction(varID.lVal, & defaultAction); if (status == wxACC_FAIL) return E_FAIL; if (status == wxACC_NOT_SUPPORTED) return DISP_E_MEMBERNOTFOUND; if (status == wxACC_NOT_IMPLEMENTED) { // 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 { if (defaultAction.IsEmpty()) { * pszDefaultAction = NULL; return S_FALSE; } else { wxBasicString basicString(defaultAction); * pszDefaultAction = basicString.Get(); return S_OK; } } return E_FAIL; } // Retrieves a string that describes the visual appearance of the specified object. // Not all objects have a description. STDMETHODIMP wxIAccessible::get_accDescription ( VARIANT varID, BSTR* pszDescription) { wxLogTrace(wxT("access"), wxT("get_accDescription")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; if (varID.vt != VT_I4) { wxLogTrace(wxT("access"), wxT("Invalid arg for get_accDescription")); return E_INVALIDARG; } wxString description; wxAccStatus status = m_pAccessible->GetDescription(varID.lVal, & description); if (status == wxACC_FAIL) return E_FAIL; if (status == wxACC_NOT_IMPLEMENTED) { // 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 { if (description.empty()) { * pszDescription = NULL; return S_FALSE; } else { wxBasicString basicString(description); * pszDescription = basicString.Get(); return S_OK; } } return E_NOTIMPL; } // Retrieves an object's Help property string. // Not all objects support this property. STDMETHODIMP wxIAccessible::get_accHelp ( VARIANT varID, BSTR* pszHelp) { wxLogTrace(wxT("access"), wxT("get_accHelp")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; if (varID.vt != VT_I4) { wxLogTrace(wxT("access"), wxT("Invalid arg for get_accHelp")); return E_INVALIDARG; } wxString helpString; wxAccStatus status = m_pAccessible->GetHelpText(varID.lVal, & helpString); if (status == wxACC_FAIL) return E_FAIL; if (status == wxACC_NOT_IMPLEMENTED) { // 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 { if (helpString.empty()) { * pszHelp = NULL; return S_FALSE; } else { wxBasicString basicString(helpString); * pszHelp = basicString.Get(); return S_OK; } } return E_NOTIMPL; } // Retrieves the full path of the WinHelp file associated with the specified // object and the identifier of the appropriate topic within that file. // Not all objects support this property. // NOTE: not supported by wxWidgets at this time. Use // GetHelpText instead. STDMETHODIMP wxIAccessible::get_accHelpTopic ( BSTR* pszHelpFile, VARIANT varChild, long* pidTopic) { wxLogTrace(wxT("access"), wxT("get_accHelpTopic")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; if (varChild.vt != VT_I4) { wxLogTrace(wxT("access"), wxT("Invalid arg for get_accHelpTopic")); return E_INVALIDARG; } wxAccStatus status = wxACC_NOT_IMPLEMENTED; if (status == wxACC_FAIL) return E_FAIL; if (status == wxACC_NOT_IMPLEMENTED) { // 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_NOTIMPL; } // Retrieves the specified object's shortcut key or access key, also known as // the mnemonic. All objects that have a shortcut key or access key support // this property. STDMETHODIMP wxIAccessible::get_accKeyboardShortcut ( VARIANT varID, BSTR* pszKeyboardShortcut) { wxLogTrace(wxT("access"), wxT("get_accKeyboardShortcut")); *pszKeyboardShortcut = NULL; wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; if (varID.vt != VT_I4) { wxLogTrace(wxT("access"), wxT("Invalid arg for get_accKeyboardShortcut")); return E_INVALIDARG; } wxString keyboardShortcut; wxAccStatus status = m_pAccessible->GetKeyboardShortcut(varID.lVal, & keyboardShortcut); if (status == wxACC_FAIL) return E_FAIL; if (status == wxACC_NOT_IMPLEMENTED) { // 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 { if (keyboardShortcut.empty()) { * pszKeyboardShortcut = NULL; return S_FALSE; } else { wxBasicString basicString(keyboardShortcut); * pszKeyboardShortcut = basicString.Get(); return S_OK; } } return E_NOTIMPL; } // Retrieves the name of the specified object. // All objects support this property. STDMETHODIMP wxIAccessible::get_accName ( VARIANT varID, BSTR* pszName) { wxLogTrace(wxT("access"), wxT("get_accName")); *pszName = NULL; wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; if (varID.vt != VT_I4) { wxLogTrace(wxT("access"), wxT("Invalid arg for get_accName")); return E_INVALIDARG; } wxString name; wxAccStatus status = m_pAccessible->GetName(varID.lVal, & name); if (status == wxACC_FAIL) return E_FAIL; if (status == wxACC_NOT_IMPLEMENTED) { // 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 { wxBasicString basicString(name); *pszName = basicString.Get(); return S_OK; } return E_NOTIMPL; } // Retrieves information that describes the role of the specified object. // All objects support this property. STDMETHODIMP wxIAccessible::get_accRole ( VARIANT varID, VARIANT* pVarRole) { wxLogTrace(wxT("access"), wxT("get_accRole")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; if (varID.vt != VT_I4) { wxLogTrace(wxT("access"), wxT("Invalid arg for get_accRole")); return E_INVALIDARG; } VariantInit(pVarRole); wxAccRole role = wxROLE_NONE; wxAccStatus status = m_pAccessible->GetRole(varID.lVal, & role); if (status == wxACC_FAIL) return E_FAIL; if (status == wxACC_NOT_IMPLEMENTED) { // 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 { if (role == wxROLE_NONE) { pVarRole->vt = VT_EMPTY; return S_OK; } pVarRole->lVal = wxConvertToWindowsRole(role); pVarRole->vt = VT_I4; return S_OK; } return E_NOTIMPL; } // Retrieves the current state of the specified object. // All objects support this property. STDMETHODIMP wxIAccessible::get_accState ( VARIANT varID, VARIANT* pVarState) { wxLogTrace(wxT("access"), wxT("get_accState")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; if (varID.vt != VT_I4 && varID.vt != VT_EMPTY) { wxLogTrace(wxT("access"), wxT("Invalid arg for get_accState")); return E_INVALIDARG; } long wxstate = 0; wxAccStatus status = m_pAccessible->GetState(varID.lVal, & wxstate); if (status == wxACC_FAIL) return E_FAIL; if (status == wxACC_NOT_IMPLEMENTED) { // 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 { long state = wxConvertToWindowsState(wxstate); pVarState->lVal = state; pVarState->vt = VT_I4; return S_OK; } return E_NOTIMPL; } // Retrieves the value of the specified object. // Not all objects have a value. STDMETHODIMP wxIAccessible::get_accValue ( VARIANT varID, BSTR* pszValue) { wxLogTrace(wxT("access"), wxT("get_accValue")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; if (varID.vt != VT_I4) { wxLogTrace(wxT("access"), wxT("Invalid arg for get_accValue")); return E_INVALIDARG; } wxString strValue; wxAccStatus status = m_pAccessible->GetValue(varID.lVal, & strValue); if (status == wxACC_FAIL) return E_FAIL; if (status == wxACC_NOT_IMPLEMENTED) { // 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 { wxBasicString basicString(strValue); * pszValue = basicString.Get(); return S_OK; } return E_NOTIMPL; } // Modifies the selection or moves the keyboard focus of the // specified object. All objects that select or receive the // keyboard focus must support this method. STDMETHODIMP wxIAccessible::accSelect ( long flagsSelect, VARIANT varID ) { wxLogTrace(wxT("access"), wxT("get_accSelect")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; if (varID.vt != VT_I4 && varID.vt != VT_EMPTY) { wxLogTrace(wxT("access"), wxT("Invalid arg for accSelect")); return E_INVALIDARG; } wxAccSelectionFlags wxsel = wxConvertFromWindowsSelFlag(flagsSelect); wxAccStatus status = m_pAccessible->Select(varID.lVal, wxsel); if (status == wxACC_FAIL) return E_FAIL; if (status == wxACC_NOT_IMPLEMENTED) { // 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_NOTIMPL; } // Retrieves the object that has the keyboard focus. All objects // that receive the keyboard focus must support this property. STDMETHODIMP wxIAccessible::get_accFocus ( VARIANT* pVarID) { wxLogTrace(wxT("access"), wxT("get_accFocus")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; wxAccessible* childObject = NULL; int childId = 0; VariantInit(pVarID); wxAccStatus status = m_pAccessible->GetFocus(& childId, & childObject); 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_NOTIMPL; else return stdInterface->get_accFocus (pVarID); } if (childObject) { if (childObject == m_pAccessible) { pVarID->vt = VT_I4; pVarID->lVal = CHILDID_SELF; return S_OK; } else { wxIAccessible* childIA = childObject->GetIAccessible(); if (!childIA) return E_NOTIMPL; if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarID->pdispVal) != S_OK) return E_FAIL; pVarID->vt = VT_DISPATCH; return S_OK; } } else if (childId > 0) { pVarID->vt = VT_I4; pVarID->lVal = childId; return S_OK; } else { pVarID->vt = VT_EMPTY; return S_FALSE; } #if 0 // all cases above already cause some return action so below line // is unreachable and cause unnecessary warning return E_NOTIMPL; #endif } // Retrieves the selected children of this object. All objects // selected must support this property. STDMETHODIMP wxIAccessible::get_accSelection ( VARIANT * pVarChildren) { #if wxUSE_VARIANT wxLogTrace(wxT("access"), wxT("get_accSelection")); wxASSERT( ( m_pAccessible != NULL ) || ( m_bQuiescing == true ) ); if (!m_pAccessible) return E_FAIL; VariantInit(pVarChildren); wxVariant selections; wxAccStatus status = m_pAccessible->GetSelections(& selections); 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_NOTIMPL; else return stdInterface->get_accSelection (pVarChildren); } else { if (selections.GetType() == wxT("long")) { pVarChildren->vt = VT_I4; pVarChildren->lVal = selections.GetLong(); return S_OK; } else if (selections.GetType() == wxT("void*")) { wxAccessible* childObject = (wxAccessible*) selections.GetVoidPtr(); wxIAccessible* childIA = childObject->GetIAccessible(); if (!childIA) return E_NOTIMPL; if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarChildren->pdispVal) != S_OK) return E_FAIL; pVarChildren->vt = VT_DISPATCH; return S_OK; } else if (selections.GetType() == wxT("list")) { // TODO: should we AddRef for every "void*" member?? wxIEnumVARIANT* enumVariant = new wxIEnumVARIANT(selections); enumVariant->AddRef(); pVarChildren->vt = VT_UNKNOWN; pVarChildren->punkVal = enumVariant; return S_OK; } } #else wxUnusedVar(pVarChildren); #endif // wxUSE_VARIANT return E_NOTIMPL; } // Get type info STDMETHODIMP wxIAccessible::GetTypeInfo(unsigned int WXUNUSED(typeInfo), LCID WXUNUSED(lcid), ITypeInfo** ppTypeInfo) { *ppTypeInfo = NULL; return E_NOTIMPL; } // Get type info count STDMETHODIMP wxIAccessible::GetTypeInfoCount(unsigned int* typeInfoCount) { *typeInfoCount = 0; return E_NOTIMPL; } // Get ids of names STDMETHODIMP wxIAccessible::GetIDsOfNames(REFIID WXUNUSED(riid), OLECHAR** WXUNUSED(names), unsigned int WXUNUSED(cNames), LCID WXUNUSED(lcid), DISPID* WXUNUSED(dispId)) { return E_NOTIMPL; } // Invoke STDMETHODIMP wxIAccessible::Invoke(DISPID WXUNUSED(dispIdMember), REFIID WXUNUSED(riid), LCID WXUNUSED(lcid), WORD WXUNUSED(wFlags), DISPPARAMS *WXUNUSED(pDispParams), VARIANT *WXUNUSED(pVarResult), EXCEPINFO *WXUNUSED(pExcepInfo), unsigned int *WXUNUSED(puArgErr) ) { 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 // ---------------------------------------------------------------------------- // ctors // common part of all ctors void wxAccessible::Init() { m_pIAccessibleStd = NULL; m_pIAccessible = new wxIAccessible(this); m_pIAccessible->AddRef(); } wxAccessible::wxAccessible(wxWindow* win) : wxAccessibleBase(win) { Init(); } wxAccessible::~wxAccessible() { m_pIAccessible->Quiesce(); m_pIAccessible->Release(); if (m_pIAccessibleStd) ((IAccessible*)m_pIAccessibleStd)->Release(); } // Gets or creates a standard interface for this object. void* wxAccessible::GetIAccessibleStd() { if (m_pIAccessibleStd) return m_pIAccessibleStd; if (GetWindow()) { HRESULT retCode = ::CreateStdAccessibleObject((HWND) GetWindow()->GetHWND(), OBJID_CLIENT, IID_IAccessible, (void**) & m_pIAccessibleStd); if (retCode == S_OK) return m_pIAccessibleStd; else { m_pIAccessibleStd = NULL; return NULL; } } 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 int wxConvertToWindowsRole(wxAccRole wxrole) { switch (wxrole) { case wxROLE_NONE: return 0; case wxROLE_SYSTEM_ALERT: return ROLE_SYSTEM_ALERT; case wxROLE_SYSTEM_ANIMATION: return ROLE_SYSTEM_ANIMATION; case wxROLE_SYSTEM_APPLICATION: return ROLE_SYSTEM_APPLICATION; case wxROLE_SYSTEM_BORDER: return ROLE_SYSTEM_BORDER; case wxROLE_SYSTEM_BUTTONDROPDOWN: return ROLE_SYSTEM_BUTTONDROPDOWN; case wxROLE_SYSTEM_BUTTONDROPDOWNGRID: return ROLE_SYSTEM_BUTTONDROPDOWNGRID; case wxROLE_SYSTEM_BUTTONMENU: return ROLE_SYSTEM_BUTTONMENU; case wxROLE_SYSTEM_CARET: return ROLE_SYSTEM_CARET; case wxROLE_SYSTEM_CELL: return ROLE_SYSTEM_CELL; case wxROLE_SYSTEM_CHARACTER: return ROLE_SYSTEM_CHARACTER; case wxROLE_SYSTEM_CHART: return ROLE_SYSTEM_CHART; case wxROLE_SYSTEM_CHECKBUTTON: return ROLE_SYSTEM_CHECKBUTTON; case wxROLE_SYSTEM_CLIENT: return ROLE_SYSTEM_CLIENT; case wxROLE_SYSTEM_CLOCK: return ROLE_SYSTEM_CLOCK; case wxROLE_SYSTEM_COLUMN: return ROLE_SYSTEM_COLUMN; case wxROLE_SYSTEM_COLUMNHEADER: return ROLE_SYSTEM_COLUMNHEADER; case wxROLE_SYSTEM_COMBOBOX: return ROLE_SYSTEM_COMBOBOX; case wxROLE_SYSTEM_CURSOR: return ROLE_SYSTEM_CURSOR; case wxROLE_SYSTEM_DIAGRAM: return ROLE_SYSTEM_DIAGRAM; case wxROLE_SYSTEM_DIAL: return ROLE_SYSTEM_DIAL; case wxROLE_SYSTEM_DIALOG: return ROLE_SYSTEM_DIALOG; case wxROLE_SYSTEM_DOCUMENT: return ROLE_SYSTEM_DOCUMENT; case wxROLE_SYSTEM_DROPLIST: return ROLE_SYSTEM_DROPLIST; case wxROLE_SYSTEM_EQUATION: return ROLE_SYSTEM_EQUATION; case wxROLE_SYSTEM_GRAPHIC: return ROLE_SYSTEM_GRAPHIC; case wxROLE_SYSTEM_GRIP: return ROLE_SYSTEM_GRIP; case wxROLE_SYSTEM_GROUPING: return ROLE_SYSTEM_GROUPING; case wxROLE_SYSTEM_HELPBALLOON: return ROLE_SYSTEM_HELPBALLOON; case wxROLE_SYSTEM_HOTKEYFIELD: return ROLE_SYSTEM_HOTKEYFIELD; case wxROLE_SYSTEM_INDICATOR: return ROLE_SYSTEM_INDICATOR; case wxROLE_SYSTEM_LINK: return ROLE_SYSTEM_LINK; case wxROLE_SYSTEM_LIST: return ROLE_SYSTEM_LIST; case wxROLE_SYSTEM_LISTITEM: return ROLE_SYSTEM_LISTITEM; case wxROLE_SYSTEM_MENUBAR: return ROLE_SYSTEM_MENUBAR; case wxROLE_SYSTEM_MENUITEM: return ROLE_SYSTEM_MENUITEM; case wxROLE_SYSTEM_MENUPOPUP: return ROLE_SYSTEM_MENUPOPUP; case wxROLE_SYSTEM_OUTLINE: return ROLE_SYSTEM_OUTLINE; case wxROLE_SYSTEM_OUTLINEITEM: return ROLE_SYSTEM_OUTLINEITEM; case wxROLE_SYSTEM_PAGETAB: return ROLE_SYSTEM_PAGETAB; case wxROLE_SYSTEM_PAGETABLIST: return ROLE_SYSTEM_PAGETABLIST; case wxROLE_SYSTEM_PANE: return ROLE_SYSTEM_PANE; case wxROLE_SYSTEM_PROGRESSBAR: return ROLE_SYSTEM_PROGRESSBAR; case wxROLE_SYSTEM_PROPERTYPAGE: return ROLE_SYSTEM_PROPERTYPAGE; case wxROLE_SYSTEM_PUSHBUTTON: return ROLE_SYSTEM_PUSHBUTTON; case wxROLE_SYSTEM_RADIOBUTTON: return ROLE_SYSTEM_RADIOBUTTON; case wxROLE_SYSTEM_ROW: return ROLE_SYSTEM_ROW; case wxROLE_SYSTEM_ROWHEADER: return ROLE_SYSTEM_ROWHEADER; case wxROLE_SYSTEM_SCROLLBAR: return ROLE_SYSTEM_SCROLLBAR; case wxROLE_SYSTEM_SEPARATOR: return ROLE_SYSTEM_SEPARATOR; case wxROLE_SYSTEM_SLIDER: return ROLE_SYSTEM_SLIDER; case wxROLE_SYSTEM_SOUND: return ROLE_SYSTEM_SOUND; case wxROLE_SYSTEM_SPINBUTTON: return ROLE_SYSTEM_SPINBUTTON; case wxROLE_SYSTEM_STATICTEXT: return ROLE_SYSTEM_STATICTEXT; case wxROLE_SYSTEM_STATUSBAR: return ROLE_SYSTEM_STATUSBAR; case wxROLE_SYSTEM_TABLE: return ROLE_SYSTEM_TABLE; case wxROLE_SYSTEM_TEXT: return ROLE_SYSTEM_TEXT; case wxROLE_SYSTEM_TITLEBAR: return ROLE_SYSTEM_TITLEBAR; case wxROLE_SYSTEM_TOOLBAR: return ROLE_SYSTEM_TOOLBAR; case wxROLE_SYSTEM_TOOLTIP: return ROLE_SYSTEM_TOOLTIP; case wxROLE_SYSTEM_WHITESPACE: return ROLE_SYSTEM_WHITESPACE; case wxROLE_SYSTEM_WINDOW: return ROLE_SYSTEM_WINDOW; } return 0; } // Convert to Windows state long wxConvertToWindowsState(long wxstate) { long state = 0; if (wxstate & wxACC_STATE_SYSTEM_ALERT_HIGH) state |= STATE_SYSTEM_ALERT_HIGH; if (wxstate & wxACC_STATE_SYSTEM_ALERT_MEDIUM) state |= STATE_SYSTEM_ALERT_MEDIUM; if (wxstate & wxACC_STATE_SYSTEM_ALERT_LOW) state |= STATE_SYSTEM_ALERT_LOW; if (wxstate & wxACC_STATE_SYSTEM_ANIMATED) state |= STATE_SYSTEM_ANIMATED; if (wxstate & wxACC_STATE_SYSTEM_BUSY) state |= STATE_SYSTEM_BUSY; if (wxstate & wxACC_STATE_SYSTEM_CHECKED) state |= STATE_SYSTEM_CHECKED; if (wxstate & wxACC_STATE_SYSTEM_COLLAPSED) state |= STATE_SYSTEM_COLLAPSED; if (wxstate & wxACC_STATE_SYSTEM_DEFAULT) state |= STATE_SYSTEM_DEFAULT; if (wxstate & wxACC_STATE_SYSTEM_EXPANDED) state |= STATE_SYSTEM_EXPANDED; if (wxstate & wxACC_STATE_SYSTEM_EXTSELECTABLE) state |= STATE_SYSTEM_EXTSELECTABLE; if (wxstate & wxACC_STATE_SYSTEM_FLOATING) state |= STATE_SYSTEM_FLOATING; if (wxstate & wxACC_STATE_SYSTEM_FOCUSABLE) state |= STATE_SYSTEM_FOCUSABLE; if (wxstate & wxACC_STATE_SYSTEM_FOCUSED) state |= STATE_SYSTEM_FOCUSED; if (wxstate & wxACC_STATE_SYSTEM_HOTTRACKED) state |= STATE_SYSTEM_HOTTRACKED; if (wxstate & wxACC_STATE_SYSTEM_INVISIBLE) state |= STATE_SYSTEM_INVISIBLE; if (wxstate & wxACC_STATE_SYSTEM_INVISIBLE) state |= STATE_SYSTEM_INVISIBLE; if (wxstate & wxACC_STATE_SYSTEM_MIXED) state |= STATE_SYSTEM_MIXED; if (wxstate & wxACC_STATE_SYSTEM_MULTISELECTABLE) state |= STATE_SYSTEM_MULTISELECTABLE; if (wxstate & wxACC_STATE_SYSTEM_OFFSCREEN) state |= STATE_SYSTEM_OFFSCREEN; if (wxstate & wxACC_STATE_SYSTEM_PRESSED) state |= STATE_SYSTEM_PRESSED; // if (wxstate & wxACC_STATE_SYSTEM_PROTECTED) // state |= STATE_SYSTEM_PROTECTED; if (wxstate & wxACC_STATE_SYSTEM_READONLY) state |= STATE_SYSTEM_READONLY; if (wxstate & wxACC_STATE_SYSTEM_SELECTABLE) state |= STATE_SYSTEM_SELECTABLE; if (wxstate & wxACC_STATE_SYSTEM_SELECTED) state |= STATE_SYSTEM_SELECTED; if (wxstate & wxACC_STATE_SYSTEM_SELFVOICING) state |= STATE_SYSTEM_SELFVOICING; if (wxstate & wxACC_STATE_SYSTEM_UNAVAILABLE) state |= STATE_SYSTEM_UNAVAILABLE; return state; } // Convert to Windows selection flag int wxConvertToWindowsSelFlag(wxAccSelectionFlags wxsel) { int sel = 0; if (wxsel & wxACC_SEL_TAKEFOCUS) sel |= SELFLAG_TAKEFOCUS; if (wxsel & wxACC_SEL_TAKESELECTION) sel |= SELFLAG_TAKESELECTION; if (wxsel & wxACC_SEL_EXTENDSELECTION) sel |= SELFLAG_EXTENDSELECTION; if (wxsel & wxACC_SEL_ADDSELECTION) sel |= SELFLAG_ADDSELECTION; if (wxsel & wxACC_SEL_REMOVESELECTION) sel |= SELFLAG_REMOVESELECTION; return sel; } // Convert from Windows selection flag wxAccSelectionFlags wxConvertFromWindowsSelFlag(int sel) { int wxsel = 0; if (sel & SELFLAG_TAKEFOCUS) wxsel |= wxACC_SEL_TAKEFOCUS; if (sel & SELFLAG_TAKESELECTION) wxsel |= wxACC_SEL_TAKESELECTION; if (sel & SELFLAG_EXTENDSELECTION) wxsel |= wxACC_SEL_EXTENDSELECTION; if (sel & SELFLAG_ADDSELECTION) wxsel |= wxACC_SEL_ADDSELECTION; if (sel & SELFLAG_REMOVESELECTION) wxsel |= wxACC_SEL_REMOVESELECTION; return (wxAccSelectionFlags) wxsel; } #endif // wxUSE_OLE && wxUSE_ACCESSIBILITY