| /**************************************************************************** |
| ** |
| ** 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 |