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/****************************************************************************
**
** Copyright (C) 2017 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qwaylandquickoutput.h"
#include "qwaylandquickcompositor.h"
#include "qwaylandquickitem_p.h"
QT_BEGIN_NAMESPACE
QWaylandQuickOutput::QWaylandQuickOutput()
{
}
QWaylandQuickOutput::QWaylandQuickOutput(QWaylandCompositor *compositor, QWindow *window)
: QWaylandOutput(compositor, window)
{
}
void QWaylandQuickOutput::initialize()
{
QWaylandOutput::initialize();
QQuickWindow *quickWindow = qobject_cast<QQuickWindow *>(window());
if (!quickWindow) {
qWarning("Initialization error: Could not locate QQuickWindow on initializing QWaylandQuickOutput %p.\n", this);
return;
}
connect(quickWindow, &QQuickWindow::beforeSynchronizing,
this, &QWaylandQuickOutput::updateStarted,
Qt::DirectConnection);
connect(quickWindow, &QQuickWindow::afterRendering,
this, &QWaylandQuickOutput::doFrameCallbacks);
}
void QWaylandQuickOutput::classBegin()
{
}
void QWaylandQuickOutput::componentComplete()
{
if (!compositor()) {
for (QObject *p = parent(); p != nullptr; p = p->parent()) {
if (auto c = qobject_cast<QWaylandCompositor *>(p)) {
setCompositor(c);
break;
}
}
}
}
void QWaylandQuickOutput::update()
{
if (!m_updateScheduled) {
//don't qobject_cast since we have verified the type in initialize
static_cast<QQuickWindow *>(window())->update();
m_updateScheduled = true;
}
}
/*!
* \qmlproperty bool QtWaylandCompositor::WaylandOutput::automaticFrameCallback
*
* This property holds whether the WaylandOutput automatically sends frame
* callbacks when rendering.
*
* The default is true.
*/
bool QWaylandQuickOutput::automaticFrameCallback() const
{
return m_automaticFrameCallback;
}
void QWaylandQuickOutput::setAutomaticFrameCallback(bool automatic)
{
if (m_automaticFrameCallback == automatic)
return;
m_automaticFrameCallback = automatic;
automaticFrameCallbackChanged();
}
static QQuickItem* clickableItemAtPosition(QQuickItem *rootItem, const QPointF &position)
{
if (!rootItem->isEnabled() || !rootItem->isVisible())
return nullptr;
QList<QQuickItem *> paintOrderItems = QQuickItemPrivate::get(rootItem)->paintOrderChildItems();
auto negativeZStart = paintOrderItems.crend();
for (auto it = paintOrderItems.crbegin(); it != paintOrderItems.crend(); ++it) {
if ((*it)->z() < 0) {
negativeZStart = it;
break;
}
QQuickItem *item = clickableItemAtPosition(*it, rootItem->mapToItem(*it, position));
if (item)
return item;
}
if (rootItem->contains(position) && rootItem->acceptedMouseButtons() != Qt::NoButton)
return rootItem;
for (auto it = negativeZStart; it != paintOrderItems.crend(); ++it) {
QQuickItem *item = clickableItemAtPosition(*it, rootItem->mapToItem(*it, position));
if (item)
return item;
}
return nullptr;
}
QQuickItem *QWaylandQuickOutput::pickClickableItem(const QPointF &position)
{
QQuickWindow *quickWindow = qobject_cast<QQuickWindow *>(window());
if (!quickWindow)
return nullptr;
return clickableItemAtPosition(quickWindow->contentItem(), position);
}
/*!
* \internal
*/
void QWaylandQuickOutput::updateStarted()
{
m_updateScheduled = false;
if (!compositor())
return;
frameStarted();
}
void QWaylandQuickOutput::doFrameCallbacks()
{
if (m_automaticFrameCallback)
sendFrameCallbacks();
}
QT_END_NAMESPACE
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