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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
++ // Qt-Security score:significant reason:default
++
++ #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) {
++ qmlWarning(attachee)
++ << "Window.window only supports types derived from Item";
++ return;
++ }
++ if (m_attachee->window()) // It might not be in a window yet
++ windowChange(m_attachee->window());
++ 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"