VOID CALLBACK WinEventProc(HWINEVENTHOOK hWinEventHook,
DWORD event,
HWND hwnd,
LONG idObject,
LONG idChild,
DWORD dwEventThread,
DWORD dwmsEventTime)
{
IAccessible* pAcc = NULL;
VARIANT varChild;
HRESULT hr = AccessibleObjectFromEvent(hwnd, idObject, idChild, &pAcc, &varChild);
if ((hr == S_OK) && (pAcc != NULL)) {
BSTR bstrName, bstrValue;
pAcc->get_accValue(varChild, &bstrValue);
pAcc->get_accName(varChild, &bstrName);
char className[50];
GetClassNameA(hwnd, className, 50);
if ((strcmp(className, "Chrome_WidgetWin_1") == 0) && (wcscmp(bstrName, L"Address and search bar") == 0)) {
SendMessage(ghWnd, WM_UPDATECAREPOS, NULL, (WPARAM)(bstrValue));//LPCWSTR
printf("URL change: %ls\n", bstrValue);
}
pAcc->Release();
}
return;
}
void CALLBACK WinEventFunc(HWINEVENTHOOK hook, DWORD dwEvent, HWND hwnd,
LONG idObject, LONG idChild,
DWORD dwEventThread, DWORD dwmsEventTime) {
IAccessible* acc = nullptr;
VARIANT var_child;
HRESULT hr = AccessibleObjectFromEvent(hwnd, idObject, idChild, &acc,
&var_child);
if (hr == S_OK && acc != nullptr) {
BSTR name;
acc->get_accName(var_child, &name);
switch (dwEvent) {
case EVENT_SYSTEM_FOREGROUND:
case EVENT_SYSTEM_ALERT:
case EVENT_OBJECT_FOCUS:
case EVENT_OBJECT_SELECTION:
case EVENT_OBJECT_VALUECHANGE:
break;
}
SysFreeString(name);
acc->Release();
}
}
