diff options
Diffstat (limited to 'src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp')
-rw-r--r-- | src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp b/src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp index 8791bbdcfb..6c4d217cb4 100644 --- a/src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp +++ b/src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp @@ -224,6 +224,53 @@ void accessibleDebugClientCalls_helper(const char* funcName, const QAccessibleIn } #endif +/**************************************************************\ + * * + * IUnknown * + * * + **************************************************************/ +HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::QueryInterface(REFIID id, LPVOID *iface) +{ + *iface = 0; + + QByteArray strIID = IIDToString(id); + if (!strIID.isEmpty()) { + QString ss; QDebug dbg(&ss); dbg << accessible; + accessibleDebug("QWindowsIA2Accessible::QI() - IID:%s, iface:%s ", strIID.constData(), qPrintable(ss)); + } + if (id == IID_IUnknown) { + *iface = (IUnknown*)(IDispatch*)this; + } else if (id == IID_IDispatch) { + *iface = (IDispatch*)this; + } else if (id == IID_IAccessible) { + *iface = (IAccessible*)this; + } else if (id == IID_IOleWindow) { + *iface = (IOleWindow*)this; + } + + if (*iface) { + AddRef(); + return S_OK; + } + + return E_NOINTERFACE; +} + +ULONG STDMETHODCALLTYPE QWindowsMsaaAccessible::AddRef() +{ + return ++ref; +} + +ULONG STDMETHODCALLTYPE QWindowsMsaaAccessible::Release() +{ + if (!--ref) { + delete this; + return 0; + } + return ref; +} + + /* IDispatch */ @@ -1208,6 +1255,17 @@ HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::ContextSensitiveHelp(BOOL) return S_OK; } +#define IF_EQUAL_RETURN_IIDSTRING(id, iid) if (id == iid) return QByteArray(#iid) +QByteArray QWindowsMsaaAccessible::IIDToString(REFIID id) +{ + IF_EQUAL_RETURN_IIDSTRING(id, IID_IUnknown); + IF_EQUAL_RETURN_IIDSTRING(id, IID_IDispatch); + IF_EQUAL_RETURN_IIDSTRING(id, IID_IAccessible); + IF_EQUAL_RETURN_IIDSTRING(id, IID_IOleWindow); + + return QByteArray(); +} + QT_END_NAMESPACE #endif //QT_NO_ACCESSIBILITY |