本文整理汇总了C++中QAccessibleInterface::focusChild方法的典型用法代码示例。如果您正苦于以下问题：C++ QAccessibleInterface::focusChild方法的具体用法？C++ QAccessibleInterface::focusChild怎么用？C++ QAccessibleInterface::focusChild使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QAccessibleInterface的用法示例。
在下文中一共展示了QAccessibleInterface::focusChild方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: get_accFocus
/*!
\internal
Can return:
+-------------+------------------------------------------------------------------------------+
| VT_EMPTY | None. Neither this object nor any of its children has the keyboard focus. |
+-------------+------------------------------------------------------------------------------+
| VT_I4 | lVal is CHILDID_SELF. The object itself has the keyboard focus. |
+-------------+------------------------------------------------------------------------------+
| VT_I4 | lVal contains the child ID of the child element that has the keyboard focus. |
+-------------+------------------------------------------------------------------------------+
| VT_DISPATCH | pdispVal member is the address of the IDispatch interface for the child |
| | object that has the keyboard focus. |
+-------------+------------------------------------------------------------------------------+
moz: [important]
*/
HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accFocus(VARIANT *pvarID)
{
QAccessibleInterface *accessible = accessibleInterface();
accessibleDebugClientCalls(accessible);
if (!accessible)
return E_FAIL;
if (QAccessibleInterface *acc = accessible->focusChild()) {
if (acc == accessible) {
(*pvarID).vt = VT_I4;
(*pvarID).lVal = CHILDID_SELF;
return S_OK;
} else {
if (IAccessible *iface = QWindowsAccessibility::wrap(acc)) {
(*pvarID).vt = VT_DISPATCH;
(*pvarID).pdispVal = iface;
return S_OK;
}
}
}
(*pvarID).vt = VT_EMPTY;
return S_FALSE;
}