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C++ QQuickItemPrivate::acceptedMouseButtons方法代码示例

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


在下文中一共展示了QQuickItemPrivate::acceptedMouseButtons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: propagateHelper

bool QQuickMouseAreaPrivate::propagateHelper(QQuickMouseEvent *ev, QQuickItem *item,const QPointF &sp, PropagateType sig)
{
    //Based off of QQuickWindow::deliverInitialMousePressEvent
    //But specific to MouseArea, so doesn't belong in window
    Q_Q(const QQuickMouseArea);
    QQuickItemPrivate *itemPrivate = QQuickItemPrivate::get(item);

    if (itemPrivate->flags & QQuickItem::ItemClipsChildrenToShape) {
        QPointF p = item->mapFromScene(sp);
        if (!item->contains(p))
            return false;
    }

    QList<QQuickItem *> children = itemPrivate->paintOrderChildItems();
    for (int ii = children.count() - 1; ii >= 0; --ii) {
        QQuickItem *child = children.at(ii);
        if (!child->isVisible() || !child->isEnabled())
            continue;
        if (propagateHelper(ev, child, sp, sig))
            return true;
    }

    QQuickMouseArea* ma = qobject_cast<QQuickMouseArea*>(item);
    if (ma && ma != q && ma->isEnabled() && itemPrivate->acceptedMouseButtons() & ev->button()) {
        switch (sig) {
        case Click:
            if (!ma->d_func()->isClickConnected())
                return false;
            break;
        case DoubleClick:
            if (!ma->d_func()->isDoubleClickConnected())
                return false;
            break;
        case PressAndHold:
            if (!ma->d_func()->isPressAndHoldConnected())
                return false;
            break;
        }
        QPointF p = item->mapFromScene(sp);
        if (item->contains(p)) {
            ev->setX(p.x());
            ev->setY(p.y());
            ev->setAccepted(true);//It is connected, they have to explicitly ignore to let it slide
            switch (sig) {
            case Click: emit ma->clicked(ev); break;
            case DoubleClick: emit ma->doubleClicked(ev); break;
            case PressAndHold: emit ma->pressAndHold(ev); break;
            }
            if (ev->isAccepted())
                return true;
        }
    }
    return false;

}
开发者ID:OniLink,项目名称:Qt5-Rehost,代码行数:55,代码来源:qquickmousearea.cpp


注:本文中的QQuickItemPrivate::acceptedMouseButtons方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。