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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 "qquickwindowmodule_p.h"
#include "qquickwindowattached_p.h"
#include "qquickrendercontrol.h"
#include "qquickscreen_p.h"
#include "qquickview_p.h"
#include "qquickwindowmodule_p_p.h"
#include "qquickitem_p.h"
#include <QtQuick/QQuickWindow>
#include <QtCore/QCoreApplication>
#include <QtQml/QQmlEngine>
#include <private/qguiapplication_p.h>
#include <private/qqmlengine_p.h>
#include <private/qv4qobjectwrapper_p.h>
#include <private/qqmlglobal_p.h>
#include <qpa/qplatformintegration.h>
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(lcTransient)
QQuickWindowQmlImplPrivate::QQuickWindowQmlImplPrivate() = default;
QQuickWindowQmlImpl::QQuickWindowQmlImpl(QWindow *parent)
: QQuickWindowQmlImpl(*(new QQuickWindowQmlImplPrivate), parent)
{
}
void QQuickWindowQmlImpl::setVisible(bool visible)
{
Q_D(QQuickWindowQmlImpl);
d->visible = visible;
if (d->complete && (!transientParent() || transientParentVisible()))
QQuickWindow::setVisible(visible);
}
void QQuickWindowQmlImpl::setVisibility(Visibility visibility)
{
Q_D(QQuickWindowQmlImpl);
d->visibility = visibility;
if (d->complete)
QQuickWindow::setVisibility(visibility);
}
QQuickWindowAttached *QQuickWindowQmlImpl::qmlAttachedProperties(QObject *object)
{
return new QQuickWindowAttached(object);
}
void QQuickWindowQmlImpl::classBegin()
{
Q_D(QQuickWindowQmlImpl);
QQmlEngine* e = qmlEngine(this);
QQmlEngine::setContextForObject(contentItem(), e->rootContext());
//Give QQuickView behavior when created from QML with QQmlApplicationEngine
if (QCoreApplication::instance()->property("__qml_using_qqmlapplicationengine") == QVariant(true)) {
if (e && !e->incubationController())
e->setIncubationController(incubationController());
}
{
// The content item has CppOwnership policy (set in QQuickWindow). Ensure the presence of a JS
// wrapper so that the garbage collector can see the policy.
QV4::ExecutionEngine *v4 = e->handle();
QV4::QObjectWrapper::wrap(v4, d->contentItem);
}
}
void QQuickWindowQmlImpl::componentComplete()
{
Q_D(QQuickWindowQmlImpl);
d->complete = true;
QQuickItem *itemParent = qmlobject_cast<QQuickItem *>(QObject::parent());
const bool transientParentAlreadySet = QQuickWindowPrivate::get(this)->transientParentPropertySet;
if (!transientParentAlreadySet && itemParent && !itemParent->window()) {
qCDebug(lcTransient) << "window" << title() << "has invisible Item parent" << itemParent << "transientParent"
<< transientParent() << "declared visibility" << d->visibility << "; delaying show";
connect(itemParent, &QQuickItem::windowChanged, this,
&QQuickWindowQmlImpl::setWindowVisibility, Qt::QueuedConnection);
} else if (transientParent() && !transientParent()->isVisible()) {
connect(transientParent(), &QQuickWindow::visibleChanged, this,
&QQuickWindowQmlImpl::setWindowVisibility, Qt::QueuedConnection);
} else {
setWindowVisibility();
}
}
QQuickWindowQmlImpl::QQuickWindowQmlImpl(QQuickWindowQmlImplPrivate &dd, QWindow *parent)
: QQuickWindow(dd, parent)
{
// These two signals are called during QWindow's dtor, thus they have to be queued connections
// or else our slots will be called instantly when our destructor has already run but our
// connections haven't been removed yet.
connect(this, &QWindow::visibleChanged, this, &QQuickWindowQmlImpl::visibleChanged,
Qt::QueuedConnection);
connect(this, &QWindow::visibilityChanged, this, &QQuickWindowQmlImpl::visibilityChanged,
Qt::QueuedConnection);
connect(this, &QWindow::screenChanged, this, &QQuickWindowQmlImpl::screenChanged);
}
void QQuickWindowQmlImpl::setWindowVisibility()
{
Q_D(QQuickWindowQmlImpl);
if (transientParent() && !transientParentVisible())
return;
if (QQuickItem *senderItem = qmlobject_cast<QQuickItem *>(sender())) {
disconnect(senderItem, &QQuickItem::windowChanged, this, &QQuickWindowQmlImpl::setWindowVisibility);
} else if (sender()) {
disconnect(transientParent(), &QWindow::visibleChanged, this, &QQuickWindowQmlImpl::setWindowVisibility);
}
// We have deferred window creation until we have the full picture of what
// the user wanted in terms of window state, geometry, visibility, etc.
if ((d->visibility == Hidden && d->visible) || (d->visibility > AutomaticVisibility && !d->visible)) {
QQmlData *data = QQmlData::get(this);
Q_ASSERT(data && data->context);
QQmlError error;
error.setObject(this);
QQmlRefPointer<QQmlContextData> urlContext = data->context;
while (urlContext && urlContext->url().isEmpty())
urlContext = urlContext->parent();
error.setUrl(urlContext ? urlContext->url() : QUrl());
QString objectId = data->context->findObjectId(this);
if (!objectId.isEmpty())
error.setDescription(QCoreApplication::translate("QQuickWindowQmlImpl",
"Conflicting properties 'visible' and 'visibility' for Window '%1'").arg(objectId));
else
error.setDescription(QCoreApplication::translate("QQuickWindowQmlImpl",
"Conflicting properties 'visible' and 'visibility'"));
QQmlEnginePrivate::get(data->context->engine())->warning(error);
}
if (d->visibility == AutomaticVisibility) {
setWindowState(QGuiApplicationPrivate::platformIntegration()->defaultWindowState(flags()));
setVisible(d->visible);
} else {
setVisibility(d->visibility);
}
}
QObject *QQuickWindowQmlImpl::screen() const
{
return new QQuickScreenInfo(const_cast<QQuickWindowQmlImpl *>(this), QWindow::screen());
}
void QQuickWindowQmlImpl::setScreen(QObject *screen)
{
QQuickScreenInfo *screenWrapper = qobject_cast<QQuickScreenInfo *>(screen);
QWindow::setScreen(screenWrapper ? screenWrapper->wrappedScreen() : nullptr);
}
bool QQuickWindowQmlImpl::transientParentVisible()
{
Q_ASSERT(transientParent());
if (!transientParent()->isVisible()) {
// handle case where transient parent is offscreen window
QWindow *rw = QQuickRenderControl::renderWindowFor(qobject_cast<QQuickWindow*>(transientParent()));
return rw && rw->isVisible();
}
return true;
}
QT_END_NAMESPACE
#include "moc_qquickwindowmodule_p.cpp"
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