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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qquickwindow.h"
#include "qquickitem.h"
#include "qquickwindowattached_p.h"
QT_BEGIN_NAMESPACE
// QDoc comments must go in qquickwindow.cpp to avoid overwriting the Window docs
QQuickWindowAttached::QQuickWindowAttached(QObject* attachee)
: QObject(attachee)
, m_window(nullptr)
{
m_attachee = qobject_cast<QQuickItem*>(attachee);
if (m_attachee && m_attachee->window()) // It might not be in a window yet
windowChange(m_attachee->window());
if (m_attachee)
connect(m_attachee, &QQuickItem::windowChanged, this, &QQuickWindowAttached::windowChange);
}
QWindow::Visibility QQuickWindowAttached::visibility() const
{
return (m_window ? m_window->visibility() : QWindow::Hidden);
}
bool QQuickWindowAttached::isActive() const
{
return (m_window ? m_window->isActive() : false);
}
QQuickItem *QQuickWindowAttached::activeFocusItem() const
{
return (m_window ? m_window->activeFocusItem() : nullptr);
}
QQuickItem *QQuickWindowAttached::contentItem() const
{
return (m_window ? m_window->contentItem() : nullptr);
}
int QQuickWindowAttached::width() const
{
return (m_window ? m_window->width() : 0);
}
int QQuickWindowAttached::height() const
{
return (m_window ? m_window->height() : 0);
}
QQuickWindow *QQuickWindowAttached::window() const
{
return m_window;
}
void QQuickWindowAttached::windowChange(QQuickWindow *window)
{
if (window != m_window) {
QQuickWindow* oldWindow = m_window;
m_window = window;
if (oldWindow)
oldWindow->disconnect(this);
emit windowChanged();
if (!oldWindow || !window || window->visibility() != oldWindow->visibility())
emit visibilityChanged();
if (!oldWindow || !window || window->isActive() != oldWindow->isActive())
emit activeChanged();
if (!oldWindow || !window || window->activeFocusItem() != oldWindow->activeFocusItem())
emit activeFocusItemChanged();
emit contentItemChanged();
if (!oldWindow || !window || window->width() != oldWindow->width())
emit widthChanged();
if (!oldWindow || !window || window->height() != oldWindow->height())
emit heightChanged();
if (!window)
return;
// QQuickWindowQmlImpl::visibilityChanged also exists, and window might even
// be QQuickWindowQmlImpl, but that's not what we are connecting to.
// So this is actual window state rather than a buffered or as-requested one.
// If we used the metaobject connect syntax there would be a warning:
// QMetaObjectPrivate::indexOfSignalRelative - QMetaObject::indexOfSignal:
// signal visibilityChanged(QWindow::Visibility) from QQuickWindow redefined in QQuickWindowQmlImpl
connect(window, &QQuickWindow::visibilityChanged,
this, &QQuickWindowAttached::visibilityChanged);
connect(window, &QQuickWindow::activeChanged,
this, &QQuickWindowAttached::activeChanged);
connect(window, &QQuickWindow::activeFocusItemChanged,
this, &QQuickWindowAttached::activeFocusItemChanged);
connect(window, &QQuickWindow::widthChanged,
this, &QQuickWindowAttached::widthChanged);
connect(window, &QQuickWindow::heightChanged,
this, &QQuickWindowAttached::heightChanged);
}
}
QT_END_NAMESPACE
#include "moc_qquickwindowattached_p.cpp"
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