qquickstack.cpp 4.15 KiB
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#include "qquickstack_p.h"
QT_BEGIN_NAMESPACE
/*!
    \qmltype Stack
    \instantiates QQuickStack
    \inqmlmodule QtQuick.Controls 1.0
    \ingroup views
    \brief Provides attached properties for items pushed onto a StackView.
    The Stack type provides attached properties for items pushed onto a \l StackView.
    It gives specific information about the item, such as its \l status and
    \l index in the stack \l view the item is in.
    \sa StackView
QQuickStack::QQuickStack(QObject *object)
    : QObject(object),
      m_index(-1),
      m_status(Inactive),
      m_view(0)
QQuickStack *QQuickStack::qmlAttachedProperties(QObject *object)
    return new QQuickStack(object);
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} /*! \readonly \qmlattachedproperty int Stack::index This property holds the index of the item inside \l{view}{StackView}, so that \l{StackView::get()}{StackView.get(index)} will return the item itself. If \l{Stack::view}{view} is \c null, \a index will be \c -1. */ int QQuickStack::index() const { return m_index; } void QQuickStack::setIndex(int index) { if (m_index != index) { m_index = index; emit indexChanged(); } } /*! \readonly \qmlattachedproperty enumeration Stack::status This property holds the status of the item. It can have one of the following values: \list \li \c Stack.Inactive: the item is not visible \li \c Stack.Activating: the item is transitioning into becoming an active item on the stack \li \c Stack.Active: the item is on top of the stack \li \c Stack.Deactivating: the item is transitioning into becoming inactive \endlist */ QQuickStack::Status QQuickStack::status() const { return m_status; } void QQuickStack::setStatus(Status status) { if (m_status != status) { m_status = status; emit statusChanged(); } } /*! \readonly \qmlattachedproperty StackView Stack::view This property holds the StackView the item is in. If the item is not inside a StackView, \a view will be \c null. */ QQuickItem *QQuickStack::view() const { return m_view; } void QQuickStack::setView(QQuickItem *view) { if (m_view != view) { m_view = view; emit viewChanged(); } } QT_END_NAMESPACE