X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/29d0a26e659591844117a3387f300648ee265bf5..ce7208d49d5ce2ca1dc0b3b83f14f1d04f29c4bf:/src/msw/ole/access.cpp?ds=sidebyside diff --git a/src/msw/ole/access.cpp b/src/msw/ole/access.cpp index 05d2d1c7ad..9aff3c6c18 100644 --- a/src/msw/ole/access.cpp +++ b/src/msw/ole/access.cpp @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: msw/ole/access.cpp +// Name: src/msw/ole/access.cpp // Purpose: implementation of wxIAccessible and wxAccessible // Author: Julian Smart // Modified by: @@ -17,28 +17,22 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "access.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #if defined(__BORLANDC__) #pragma hdrstop #endif -#ifndef WX_PRECOMP -#include "wx/window.h" -#endif - -#include "wx/setup.h" #if wxUSE_OLE && wxUSE_ACCESSIBILITY -#include "wx/log.h" #include "wx/access.h" -#include +#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__) @@ -49,7 +43,6 @@ #include #include -#include "wx/msw/winundef.h" #include "wx/msw/ole/oleutils.h" #ifndef CHILDID_SELF @@ -72,6 +65,7 @@ int wxConvertToWindowsSelFlag(wxAccSelectionFlags sel); // Convert from Windows selection flag wxAccSelectionFlags wxConvertFromWindowsSelFlag(int sel); +#if wxUSE_VARIANT // ---------------------------------------------------------------------------- // wxIEnumVARIANT interface implementation // ---------------------------------------------------------------------------- @@ -183,6 +177,7 @@ STDMETHODIMP wxIEnumVARIANT::Clone(IEnumVARIANT **ppenum) return S_OK; } +#endif // wxUSE_VARIANT // ---------------------------------------------------------------------------- // wxIAccessible implementation of IAccessible interface @@ -200,12 +195,12 @@ public: // 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. + // 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. + // support this method; sound objects do not support it. STDMETHODIMP accLocation ( long* pxLeft, long* pyTop, long* pcxWidth, long* pcyHeight, VARIANT varID); @@ -216,29 +211,29 @@ public: // 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. @@ -254,18 +249,18 @@ public: // 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. @@ -275,9 +270,9 @@ public: // 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. @@ -293,18 +288,18 @@ public: // 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 varChild, BSTR szName) { return E_FAIL; } - STDMETHODIMP put_accValue(VARIANT varChild, BSTR szName) { return E_FAIL; } + 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 @@ -323,9 +318,9 @@ public: // Invoke - STDMETHODIMP Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, - WORD wFlags, DISPPARAMS *pDispParams, - VARIANT *pVarResult, EXCEPINFO *pExcepInfo, + STDMETHODIMP Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, + WORD wFlags, DISPPARAMS *pDispParams, + VARIANT *pVarResult, EXCEPINFO *pExcepInfo, unsigned int *puArgErr ); // Helpers @@ -367,24 +362,24 @@ wxIAccessible::wxIAccessible(wxAccessible *pAccessible) } // 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. +// All visual objects support this method; sound objects do not support it. STDMETHODIMP wxIAccessible::accHitTest(long xLeft, long yLeft, VARIANT* pVarID) { - wxLogTrace(wxT("access"), "accHitTest"); + wxLogTrace(wxT("access"), wxT("accHitTest")); wxASSERT (m_pAccessible != NULL); 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. @@ -394,7 +389,7 @@ STDMETHODIMP wxIAccessible::accHitTest(long xLeft, long yLeft, VARIANT* pVarID) else return stdInterface->accHitTest(xLeft, yLeft, pVarID); } - + if (childObject) { if (childObject == m_pAccessible) @@ -409,9 +404,9 @@ STDMETHODIMP wxIAccessible::accHitTest(long xLeft, long yLeft, VARIANT* pVarID) if (!childIA) return E_NOTIMPL; - if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarID->pdispVal) != S_OK) - return E_FAIL; - + if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarID->pdispVal) != S_OK) + return E_FAIL; + pVarID->vt = VT_DISPATCH; return S_OK; } @@ -427,26 +422,30 @@ STDMETHODIMP wxIAccessible::accHitTest(long xLeft, long yLeft, VARIANT* pVarID) 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. +// 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"), "accLocation"); + wxLogTrace(wxT("access"), wxT("accLocation")); wxASSERT (m_pAccessible != NULL); 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. @@ -488,12 +487,18 @@ STDMETHODIMP wxIAccessible::accNavigate ( long navDir, VARIANT varStart, VARIANT return E_FAIL; wxLogTrace(wxT("access"), wxString(wxT("accNavigate for ")) + m_pAccessible->GetWindow()->GetClassInfo()->GetClassName()); - if ((varStart.vt != VT_I4 && varStart.vt != VT_EMPTY) || varStart.vt < 0) + 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"), "Invalid arg for accNavigate"); + wxLogTrace(wxT("access"), wxT("Invalid arg for accNavigate")); return E_INVALIDARG; } - + wxAccessible* elementObject = NULL; int elementId = 0; VariantInit(pVarEnd); @@ -549,25 +554,25 @@ STDMETHODIMP wxIAccessible::accNavigate ( long navDir, VARIANT varStart, VARIANT } } wxLogTrace(wxT("access"), navStr); - + wxAccStatus status = m_pAccessible->Navigate(navDirWX, varStart.lVal, & elementId, & elementObject); if (status == wxACC_FAIL) { - wxLogTrace(wxT("access"), "wxAccessible::Navigate failed"); + wxLogTrace(wxT("access"), wxT("wxAccessible::Navigate failed")); return E_FAIL; } - + if (status == wxACC_FALSE) { - wxLogTrace(wxT("access"), "wxAccessible::Navigate found no object in this direction"); + wxLogTrace(wxT("access"), wxT("wxAccessible::Navigate found no object in this direction")); return S_FALSE; } - + if (status == wxACC_NOT_IMPLEMENTED) { - wxLogTrace(wxT("access"), "Navigate not implemented"); + wxLogTrace(wxT("access"), wxT("Navigate not implemented")); // Try to use child object directly. if (varStart.vt == VT_I4 && varStart.lVal > 0) @@ -590,57 +595,57 @@ STDMETHODIMP wxIAccessible::accNavigate ( long navDir, VARIANT varStart, VARIANT { if (elementObject) { - wxLogTrace(wxT("access"), "Getting wxIAccessible and calling QueryInterface for Navigate"); + wxLogTrace(wxT("access"), wxT("Getting wxIAccessible and calling QueryInterface for Navigate")); wxIAccessible* objectIA = elementObject->GetIAccessible(); if (!objectIA) { - wxLogTrace(wxT("access"), "No wxIAccessible"); + wxLogTrace(wxT("access"), wxT("No wxIAccessible")); return E_FAIL; } - HRESULT hResult = objectIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarEnd->pdispVal); + HRESULT hResult = objectIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarEnd->pdispVal); if (hResult != S_OK) { - wxLogTrace(wxT("access"), "QueryInterface failed"); - return E_FAIL; + wxLogTrace(wxT("access"), wxT("QueryInterface failed")); + return E_FAIL; } - - wxLogTrace(wxT("access"), "Called QueryInterface for Navigate"); + + wxLogTrace(wxT("access"), wxT("Called QueryInterface for Navigate")); pVarEnd->vt = VT_DISPATCH; return S_OK; } else if (elementId > 0) { - wxLogTrace(wxT("access"), "Returning element id from Navigate"); + wxLogTrace(wxT("access"), wxT("Returning element id from Navigate")); pVarEnd->vt = VT_I4; pVarEnd->lVal = elementId; return S_OK; } else { - wxLogTrace(wxT("access"), "No object in accNavigate"); + wxLogTrace(wxT("access"), wxT("No object in accNavigate")); pVarEnd->vt = VT_EMPTY; return S_FALSE; } } - wxLogTrace(wxT("access"), "Failing Navigate"); + 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"), "get_accChild"); + wxLogTrace(wxT("access"), wxT("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"); + wxLogTrace(wxT("access"), wxT("Invalid arg for get_accChild")); return E_INVALIDARG; } @@ -650,16 +655,16 @@ STDMETHODIMP wxIAccessible::get_accChild ( VARIANT varChildID, IDispatch** ppDis AddRef(); return S_OK; } - + wxAccessible* child = NULL; wxAccStatus status = m_pAccessible->GetChild(varChildID.lVal, & child); if (status == wxACC_FAIL) { - wxLogTrace(wxT("access"), "GetChild failed"); + wxLogTrace(wxT("access"), wxT("GetChild failed")); return E_FAIL; } - + if (status == wxACC_NOT_IMPLEMENTED) { // Use standard interface instead. @@ -668,7 +673,7 @@ STDMETHODIMP wxIAccessible::get_accChild ( VARIANT varChildID, IDispatch** ppDis return E_NOTIMPL; else { - wxLogTrace(wxT("access"), "Using standard interface for get_accChild"); + wxLogTrace(wxT("access"), wxT("Using standard interface for get_accChild")); return stdInterface->get_accChild (varChildID, ppDispChild); } } @@ -680,39 +685,43 @@ STDMETHODIMP wxIAccessible::get_accChild ( VARIANT varChildID, IDispatch** ppDis if (!objectIA) return E_NOTIMPL; - if (objectIA->QueryInterface(IID_IDispatch, (LPVOID*) ppDispChild) != S_OK) + if (objectIA->QueryInterface(IID_IDispatch, (LPVOID*) ppDispChild) != S_OK) { - wxLogTrace(wxT("access"), "QueryInterface failed in get_accChild"); - return E_FAIL; + wxLogTrace(wxT("access"), wxT("QueryInterface failed in get_accChild")); + return E_FAIL; } - + return S_OK; } else { - wxLogTrace(wxT("access"), "Not an accessible object"); + 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"), "get_accChildCount"); + wxLogTrace(wxT("access"), wxT("get_accChildCount")); wxASSERT (m_pAccessible != NULL); 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. @@ -721,7 +730,7 @@ STDMETHODIMP wxIAccessible::get_accChildCount ( long* pCountChildren) return E_NOTIMPL; else { - wxLogTrace(wxT("access"), "Using standard interface for get_accChildCount"); + 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)); @@ -735,19 +744,23 @@ STDMETHODIMP wxIAccessible::get_accChildCount ( long* pCountChildren) 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"), "get_accParent"); + wxLogTrace(wxT("access"), wxT("get_accParent")); wxASSERT (m_pAccessible != NULL); if (!m_pAccessible) return E_FAIL; - + wxAccessible* parent = NULL; wxAccStatus status = m_pAccessible->GetParent(& parent); @@ -755,11 +768,11 @@ STDMETHODIMP wxIAccessible::get_accParent ( IDispatch** ppDispParent) return E_FAIL; // It doesn't seem acceptable to return S_FALSE with a NULL - // ppDispParent, so if we have no wxWindows parent, we leave + // ppDispParent, so if we have no wxWidgets parent, we leave // it to the standard interface. if (status == wxACC_NOT_IMPLEMENTED || !parent) { - wxLogTrace(wxT("access"), "Using standard interface to get the parent."); + wxLogTrace(wxT("access"), wxT("Using standard interface to get the parent.")); // Use standard interface instead. IAccessible* stdInterface = (IAccessible*)m_pAccessible->GetIAccessibleStd(); if (!stdInterface) @@ -775,52 +788,56 @@ STDMETHODIMP wxIAccessible::get_accParent ( IDispatch** 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"), wxT("About to call QueryInterface")); + if (objectIA->QueryInterface(IID_IDispatch, (LPVOID*) ppDispParent) != S_OK) { - wxLogTrace(wxT("access"), "Failed QueryInterface"); - return E_FAIL; + wxLogTrace(wxT("access"), wxT("Failed QueryInterface")); + return E_FAIL; } - - wxLogTrace(wxT("access"), "Returning S_OK for get_accParent"); + + 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"), "Returning NULL parent because there was none"); + 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"), "accDoDefaultAction"); + wxLogTrace(wxT("access"), wxT("accDoDefaultAction")); wxASSERT (m_pAccessible != NULL); if (!m_pAccessible) return E_FAIL; - + if (varID.vt != VT_I4) { - wxLogTrace(wxT("access"), "Invalid arg for accDoDefaultAction"); + 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. @@ -845,28 +862,28 @@ STDMETHODIMP wxIAccessible::accDoDefaultAction(VARIANT varID) // 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"), "get_accDefaultAction"); + wxLogTrace(wxT("access"), wxT("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"); + 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. @@ -908,22 +925,22 @@ STDMETHODIMP wxIAccessible::get_accDefaultAction ( VARIANT varID, BSTR* pszDefau STDMETHODIMP wxIAccessible::get_accDescription ( VARIANT varID, BSTR* pszDescription) { - wxLogTrace(wxT("access"), "get_accDescription"); + wxLogTrace(wxT("access"), wxT("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"); + 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. @@ -945,7 +962,7 @@ STDMETHODIMP wxIAccessible::get_accDescription ( VARIANT varID, BSTR* pszDescrip } else { - if (description.IsEmpty()) + if (description.empty()) { * pszDescription = NULL; return S_FALSE; @@ -955,7 +972,7 @@ STDMETHODIMP wxIAccessible::get_accDescription ( VARIANT varID, BSTR* pszDescrip wxBasicString basicString(description); * pszDescription = basicString.Get(); return S_OK; - } + } } return E_NOTIMPL; } @@ -965,22 +982,22 @@ STDMETHODIMP wxIAccessible::get_accDescription ( VARIANT varID, BSTR* pszDescrip STDMETHODIMP wxIAccessible::get_accHelp ( VARIANT varID, BSTR* pszHelp) { - wxLogTrace(wxT("access"), "get_accHelp"); + wxLogTrace(wxT("access"), wxT("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"); + 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. @@ -1002,7 +1019,7 @@ STDMETHODIMP wxIAccessible::get_accHelp ( VARIANT varID, BSTR* pszHelp) } else { - if (helpString.IsEmpty()) + if (helpString.empty()) { * pszHelp = NULL; return S_FALSE; @@ -1012,7 +1029,7 @@ STDMETHODIMP wxIAccessible::get_accHelp ( VARIANT varID, BSTR* pszHelp) wxBasicString basicString(helpString); * pszHelp = basicString.Get(); return S_OK; - } + } } return E_NOTIMPL; } @@ -1020,26 +1037,26 @@ STDMETHODIMP wxIAccessible::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. -// NOTE: not supported by wxWindows at this time. Use +// NOTE: not supported by wxWidgets at this time. Use // GetHelpText instead. - + STDMETHODIMP wxIAccessible::get_accHelpTopic ( BSTR* pszHelpFile, VARIANT varChild, long* pidTopic) { - wxLogTrace(wxT("access"), "get_accHelpTopic"); + wxLogTrace(wxT("access"), wxT("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"); + 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. @@ -1065,27 +1082,27 @@ STDMETHODIMP wxIAccessible::get_accHelpTopic ( BSTR* pszHelpFile, VARIANT varChi // 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"), "get_accKeyboardShortcut"); + wxLogTrace(wxT("access"), wxT("get_accKeyboardShortcut")); *pszKeyboardShortcut = NULL; wxASSERT (m_pAccessible != NULL); if (!m_pAccessible) return E_FAIL; - + if (varID.vt != VT_I4) { - wxLogTrace(wxT("access"), "Invalid arg for get_accKeyboardShortcut"); + 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. @@ -1107,7 +1124,7 @@ STDMETHODIMP wxIAccessible::get_accKeyboardShortcut ( VARIANT varID, BSTR* pszKe } else { - if (keyboardShortcut.IsEmpty()) + if (keyboardShortcut.empty()) { * pszKeyboardShortcut = NULL; return S_FALSE; @@ -1117,17 +1134,17 @@ STDMETHODIMP wxIAccessible::get_accKeyboardShortcut ( VARIANT varID, BSTR* pszKe 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"), "get_accName"); + wxLogTrace(wxT("access"), wxT("get_accName")); *pszName = NULL; wxASSERT (m_pAccessible != NULL); @@ -1136,17 +1153,17 @@ STDMETHODIMP wxIAccessible::get_accName ( VARIANT varID, BSTR* pszName) if (varID.vt != VT_I4) { - wxLogTrace(wxT("access"), "Invalid arg for get_accName"); + 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. @@ -1180,26 +1197,26 @@ STDMETHODIMP wxIAccessible::get_accName ( VARIANT varID, BSTR* pszName) STDMETHODIMP wxIAccessible::get_accRole ( VARIANT varID, VARIANT* pVarRole) { - wxLogTrace(wxT("access"), "get_accRole"); + wxLogTrace(wxT("access"), wxT("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"); + 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. @@ -1237,26 +1254,26 @@ STDMETHODIMP wxIAccessible::get_accRole ( VARIANT varID, VARIANT* pVarRole) // Retrieves the current state of the specified object. // All objects support this property. - + STDMETHODIMP wxIAccessible::get_accState ( VARIANT varID, VARIANT* pVarState) { - wxLogTrace(wxT("access"), "get_accState"); + wxLogTrace(wxT("access"), wxT("get_accState")); wxASSERT (m_pAccessible != NULL); if (!m_pAccessible) return E_FAIL; - + if (varID.vt != VT_I4 && varID.vt != VT_EMPTY) { - wxLogTrace(wxT("access"), "Invalid arg for get_accState"); + 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. @@ -1285,30 +1302,30 @@ STDMETHODIMP wxIAccessible::get_accState ( VARIANT varID, VARIANT* pVarState) } 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"), "get_accValue"); + wxLogTrace(wxT("access"), wxT("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"); + 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. @@ -1343,23 +1360,23 @@ STDMETHODIMP wxIAccessible::get_accValue ( VARIANT varID, BSTR* pszValue) STDMETHODIMP wxIAccessible::accSelect ( long flagsSelect, VARIANT varID ) { - wxLogTrace(wxT("access"), "get_accSelect"); + wxLogTrace(wxT("access"), wxT("get_accSelect")); wxASSERT (m_pAccessible != NULL); if (!m_pAccessible) return E_FAIL; - + if (varID.vt != VT_I4 && varID.vt != VT_EMPTY) { - wxLogTrace(wxT("access"), "Invalid arg for accSelect"); + 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. @@ -1387,22 +1404,22 @@ STDMETHODIMP wxIAccessible::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 wxIAccessible::get_accFocus ( VARIANT* pVarID) { - wxLogTrace(wxT("access"), "get_accFocus"); + wxLogTrace(wxT("access"), wxT("get_accFocus")); wxASSERT (m_pAccessible != NULL); 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. @@ -1425,9 +1442,9 @@ STDMETHODIMP wxIAccessible::get_accFocus ( VARIANT* pVarID) if (!childIA) return E_NOTIMPL; - if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarID->pdispVal) != S_OK) - return E_FAIL; - + if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarID->pdispVal) != S_OK) + return E_FAIL; + pVarID->vt = VT_DISPATCH; return S_OK; } @@ -1443,27 +1460,32 @@ STDMETHODIMP wxIAccessible::get_accFocus ( VARIANT* pVarID) 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) { - wxLogTrace(wxT("access"), "get_accSelection"); +#if wxUSE_VARIANT + wxLogTrace(wxT("access"), wxT("get_accSelection")); wxASSERT (m_pAccessible != NULL); 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. @@ -1489,9 +1511,9 @@ STDMETHODIMP wxIAccessible::get_accSelection ( VARIANT * pVarChildren) if (!childIA) return E_NOTIMPL; - if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarChildren->pdispVal) != S_OK) - return E_FAIL; - + if (childIA->QueryInterface(IID_IDispatch, (LPVOID*) & pVarChildren->pdispVal) != S_OK) + return E_FAIL; + pVarChildren->vt = VT_DISPATCH; return S_OK; @@ -1509,13 +1531,16 @@ STDMETHODIMP wxIAccessible::get_accSelection ( VARIANT * pVarChildren) return S_OK; } } +#else + wxUnusedVar(pVarChildren); +#endif // wxUSE_VARIANT return E_NOTIMPL; } // Get type info -STDMETHODIMP wxIAccessible::GetTypeInfo(unsigned int typeInfo, LCID lcid, ITypeInfo** ppTypeInfo) +STDMETHODIMP wxIAccessible::GetTypeInfo(unsigned int WXUNUSED(typeInfo), LCID WXUNUSED(lcid), ITypeInfo** ppTypeInfo) { *ppTypeInfo = NULL; return E_NOTIMPL; @@ -1531,18 +1556,18 @@ STDMETHODIMP wxIAccessible::GetTypeInfoCount(unsigned int* typeInfoCount) // Get ids of names -STDMETHODIMP wxIAccessible::GetIDsOfNames(REFIID riid, OLECHAR** names, unsigned int cNames, - LCID lcid, DISPID* dispId) +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 dispIdMember, REFIID riid, LCID lcid, - WORD wFlags, DISPPARAMS *pDispParams, - VARIANT *pVarResult, EXCEPINFO *pExcepInfo, - unsigned int *puArgErr ) +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; } @@ -1580,7 +1605,7 @@ IAccessible* wxIAccessible::GetChildStdAccessible(int id) else { pDispatch->Release(); - } + } } } @@ -1614,7 +1639,7 @@ IAccessible* wxIAccessible::GetChildStdAccessible(int id) else { var.pdispVal->Release(); - } + } } } break; @@ -1654,7 +1679,7 @@ IAccessible* wxIAccessible::GetChildAccessible(int id) else { pDispatch->Release(); - } + } } } return NULL; @@ -1939,15 +1964,15 @@ int wxConvertToWindowsSelFlag(wxAccSelectionFlags wxsel) { int sel = 0; - if (sel & wxACC_SEL_TAKEFOCUS) + if (wxsel & wxACC_SEL_TAKEFOCUS) sel |= SELFLAG_TAKEFOCUS; - if (sel & wxACC_SEL_TAKESELECTION) + if (wxsel & wxACC_SEL_TAKESELECTION) sel |= SELFLAG_TAKESELECTION; - if (sel & wxACC_SEL_EXTENDSELECTION) + if (wxsel & wxACC_SEL_EXTENDSELECTION) sel |= SELFLAG_EXTENDSELECTION; - if (sel & wxACC_SEL_ADDSELECTION) + if (wxsel & wxACC_SEL_ADDSELECTION) sel |= SELFLAG_ADDSELECTION; - if (sel & wxACC_SEL_REMOVESELECTION) + if (wxsel & wxACC_SEL_REMOVESELECTION) sel |= SELFLAG_REMOVESELECTION; return sel; } @@ -1971,4 +1996,4 @@ wxAccSelectionFlags wxConvertFromWindowsSelFlag(int sel) } -#endif //USE_ACCESSIBILITY +#endif // wxUSE_OLE && wxUSE_ACCESSIBILITY