1 files changed, 74 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/uiautomation/qwindowsuiautomation.cpp b/src/plugins/platforms/windows/uiautomation/qwindowsuiautomation.cpp
new file mode 100644
index 0000000000..1593a07202
--- /dev/null
+++ b/src/plugins/platforms/windows/uiautomation/qwindowsuiautomation.cpp
@@ -0,0 +1,74 @@
+// Copyright (C) 2024 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#include <QtGui/qtguiglobal.h>
+#if QT_CONFIG(accessibility)
+
+#include "qwindowsuiautomation.h"
+
+#if defined(__MINGW32__) || defined(__MINGW64__)
+
+template<typename T, typename... TArg>
+struct winapi_func
+{
+    using func_t = T(WINAPI*)(TArg...);
+    const func_t func;
+    const T error_value;
+#ifdef __GNUC__
+#   pragma GCC diagnostic ignored "-Wcast-function-type"
+#endif
+    winapi_func(const char *lib_name, const char *func_name, func_t func_proto,
+        T error_value = T(__HRESULT_FROM_WIN32(ERROR_PROC_NOT_FOUND))) :
+        func(reinterpret_cast<func_t>(GetProcAddress(LoadLibraryA(lib_name), func_name))),
+        error_value(error_value)
+    {
+        std::ignore = func_proto;
+    }
+#ifdef __GNUC__
+#   pragma GCC diagnostic pop
+#endif
+    T invoke(TArg... arg)
+    {
+        if (!func)
+            return error_value;
+        return func(arg...);
+    }
+};
+
+#define FN(fn) #fn,fn
+
+BOOL WINAPI UiaClientsAreListening()
+{
+    static auto func = winapi_func("uiautomationcore", FN(UiaClientsAreListening), BOOL(false));
+    return func.invoke();
+}
+
+LRESULT WINAPI UiaReturnRawElementProvider(
+    HWND hwnd, WPARAM wParam, LPARAM lParam, IRawElementProviderSimple *el)
+{
+    static auto func = winapi_func("uiautomationcore", FN(UiaReturnRawElementProvider));
+    return func.invoke(hwnd, wParam, lParam, el);
+}
+
+HRESULT WINAPI UiaHostProviderFromHwnd(HWND hwnd, IRawElementProviderSimple **ppProvider)
+{
+    static auto func = winapi_func("uiautomationcore", FN(UiaHostProviderFromHwnd));
+    return func.invoke(hwnd, ppProvider);
+}
+
+HRESULT WINAPI UiaRaiseAutomationPropertyChangedEvent(
+    IRawElementProviderSimple *pProvider, PROPERTYID id, VARIANT oldValue, VARIANT newValue)
+{
+    static auto func = winapi_func("uiautomationcore", FN(UiaRaiseAutomationPropertyChangedEvent));
+    return func.invoke(pProvider, id, oldValue, newValue);
+}
+
+HRESULT WINAPI UiaRaiseAutomationEvent(IRawElementProviderSimple *pProvider, EVENTID id)
+{
+    static auto func = winapi_func("uiautomationcore", FN(UiaRaiseAutomationEvent));
+    return func.invoke(pProvider, id);
+}
+
+#endif // defined(__MINGW32__) || defined(__MINGW64__)
+
+#endif // QT_CONFIG(accessibility)