C++ (Cpp) QAccessibleInterface::valueInterface示例

示例#1

文件： qwindowsmsaaaccessible.cpp 项目： CodeDJ/qt5-hidpi

// moz: [important]
HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accValue(VARIANT varID, BSTR* pszValue)
{
    QAccessibleInterface *accessible = accessibleInterface();
    accessibleDebugClientCalls(accessible);
    if (varID.vt != VT_I4)
        return E_INVALIDARG;

    if (!accessible || !accessible->isValid() || varID.lVal) {
        return E_FAIL;
    }

    QString value;
    if (accessible->valueInterface()) {
        value = QString::number(accessible->valueInterface()->currentValue().toDouble());
    } else {
        value = accessible->text(QAccessible::Value);
    }
    if (!value.isNull()) {
        *pszValue = QStringToBSTR(value);
        return S_OK;
    }

    *pszValue = 0;
    accessibleDebug("return S_FALSE");
    return S_FALSE;
}

示例#2

// moz: [important]
HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accValue(VARIANT varID, BSTR* pszValue)
{
    showDebug(__FUNCTION__, accessible);
    if (!accessible->isValid() || varID.lVal)
        return E_FAIL;

    QString value;
    if (accessible->valueInterface()) {
        value = QString::number(accessible->valueInterface()->currentValue().toDouble());
    } else {
        value = accessible->text(QAccessible::Value);
    }
    if (!value.isNull()) {
        *pszValue = QStringToBSTR(value);
        return S_OK;
    }

    *pszValue = 0;
    return S_FALSE;
}