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C++ Guard::connect方法代码示例

本文整理汇总了C++中Guard::connect方法的典型用法代码示例。如果您正苦于以下问题:C++ Guard::connect方法的具体用法?C++ Guard::connect怎么用?C++ Guard::connect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Guard的用法示例。


在下文中一共展示了Guard::connect方法的2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: range

/*! \internal

    \a n is in the signal index range (see QObjectPrivate::signalIndex()).
*/
void QQmlJavaScriptExpression::GuardCapture::captureProperty(QObject *o, int c, int n)
{
    if (watcher->wasDeleted())
        return;

    Q_ASSERT(expression);
    if (n == -1) {
        if (!errorString) {
            errorString = new QStringList;
            QString preamble = QLatin1String("QQmlExpression: Expression ") +
                    expression->m_vtable->expressionIdentifier(expression) +
                    QLatin1String(" depends on non-NOTIFYable properties:");
            errorString->append(preamble);
        }

        const QMetaObject *metaObj = o->metaObject();
        QMetaProperty metaProp = metaObj->property(c);

        QString error = QLatin1String("    ") +
                QString::fromUtf8(metaObj->className()) +
                QLatin1String("::") +
                QString::fromUtf8(metaProp.name());
        errorString->append(error);
    } else {

        // Try and find a matching guard
        while (!guards.isEmpty() && !guards.first()->isConnected(o, n))
            guards.takeFirst()->Delete();

        Guard *g = 0;
        if (!guards.isEmpty()) {
            g = guards.takeFirst();
            g->cancelNotify();
            Q_ASSERT(g->isConnected(o, n));
        } else {
            g = Guard::New(expression, engine);
            g->connect(o, n, engine);
        }

        expression->activeGuards.prepend(g);
    }
}
开发者ID:venkatarajasekhar,项目名称:Qt,代码行数:46,代码来源:qqmljavascriptexpression.cpp

示例2: while

void QQmlJavaScriptExpression::GuardCapture::captureProperty(QQmlNotifier *n)
{
    if (expression) {

        // Try and find a matching guard
        while (!guards.isEmpty() && !guards.first()->isConnected(n))
            guards.takeFirst()->Delete();

        Guard *g = 0;
        if (!guards.isEmpty()) {
            g = guards.takeFirst();
            g->cancelNotify();
            Q_ASSERT(g->isConnected(n));
        } else {
            g = Guard::New(expression, engine);
            g->connect(n);
        }

        expression->activeGuards.prepend(g);
    }
}
开发者ID:CodeDJ,项目名称:qt5-hidpi,代码行数:21,代码来源:qqmljavascriptexpression.cpp


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