qt-everywhere-src-5.14.1/qtwinextras/src/imports/winextras/qquickjumplistcategory.cpp

/****************************************************************************
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 ** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
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#include "qquickjumplistcategory_p.h"

QT_BEGIN_NAMESPACE

/*!
    \qmltype JumpListCategory
    \instantiates QQuickJumpListCategory
    \inqmlmodule QtWinExtras

    \brief Represents a jump list category.

    \since QtWinExtras 1.0

    The JumpListCategory type represents a category that consists of several
    Jump List destinations and has a title.
 */

/*!
    \class QQuickJumpListCategory
    \internal
 */

QQuickJumpListCategory::QQuickJumpListCategory(QObject *parent) :
    QObject(parent)
{
}

QQuickJumpListCategory::~QQuickJumpListCategory() = default;

/*!
    \qmlproperty list<QtObject> JumpListCategory::data
    \internal
 */
QQmlListProperty<QObject> QQuickJumpListCategory::data()
{
    return QQmlListProperty<QObject>(this, this, &QQuickJumpListCategory::data_append, nullptr, nullptr, nullptr);
}

/*!
    \qmlproperty list<JumpListItem> JumpListCategory::items

    A list of items.
 */
QQmlListProperty<QQuickJumpListItem> QQuickJumpListCategory::items()
{
    return QQmlListProperty<QQuickJumpListItem>(this, this, &QQuickJumpListCategory::items_count, &QQuickJumpListCategory::items_at);
}

/*!
    \qmlproperty string JumpListCategory::title

    The title of the category.
 */
QString QQuickJumpListCategory::title() const
{
    return m_title;
}

void QQuickJumpListCategory::setTitle(const QString &title)
{
    if (m_title != title) {
        m_title = title;
        emit titleChanged();
    }
}

/*!
    \qmlproperty bool JumpListCategory::visible

    The visibility of the category.
 */
bool QQuickJumpListCategory::isVisible() const
{
    return m_visible;
}

void QQuickJumpListCategory::setVisible(bool visible)
{
    if (m_visible != visible) {
        m_visible = visible;
        emit visibilityChanged();
    }
}

QList<QWinJumpListItem *> QQuickJumpListCategory::toItemList() const
{
    QList<QWinJumpListItem *> items;
    for (QQuickJumpListItem *item : m_items)
        items.append(item->toJumpListItem());
    return items;
}

void QQuickJumpListCategory::data_append(QQmlListProperty<QObject> *property, QObject *object)
{
    if (auto *item = qobject_cast<QQuickJumpListItem *>(object)) {
        auto *category = static_cast<QQuickJumpListCategory *>(property->object);
        category->m_items.append(item);
        emit category->itemsChanged();
    }
}

int QQuickJumpListCategory::items_count(QQmlListProperty<QQuickJumpListItem> *property)
{
    return static_cast<QQuickJumpListCategory *>(property->object)->m_items.count();
}

QQuickJumpListItem *QQuickJumpListCategory::items_at(QQmlListProperty<QQuickJumpListItem> *property, int index)
{
    return static_cast<QQuickJumpListCategory *>(property->object)->m_items.value(index);
}

QT_END_NAMESPACE