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Diffstat (limited to 'src/compositor/extensions/qwaylandquickshellsurfaceitem.cpp')
| -rw-r--r-- | src/compositor/extensions/qwaylandquickshellsurfaceitem.cpp | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/src/compositor/extensions/qwaylandquickshellsurfaceitem.cpp b/src/compositor/extensions/qwaylandquickshellsurfaceitem.cpp new file mode 100644 index 000000000..5eb34b849 --- /dev/null +++ b/src/compositor/extensions/qwaylandquickshellsurfaceitem.cpp @@ -0,0 +1,241 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtWaylandCompositor module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qwaylandquickshellsurfaceitem.h" +#include "qwaylandquickshellsurfaceitem_p.h" + +#include <QtWaylandCompositor/QWaylandCompositor> +#include <QtWaylandCompositor/QWaylandInputDevice> + +QT_BEGIN_NAMESPACE + +/*! + * \qmltype ShellSurfaceItem + * \inqmlmodule QtWayland.Compositor + * \brief An item representing a ShellSurface. + * + * This type can be used to render shell surfaces as part of a Qt Quick scene. + * It handles moving and resizing triggered by clicking on the window decorations. + */ + +/*! + * \class QWaylandQuickShellSurfaceItem + * \inmodule QtWaylandCompositor + * \brief A Qt Quick item for QWaylandShellSurface. + * + * This class can be used to create Qt Quick items representing shell surfaces. + * It handles moving and resizing triggered by clicking on the window decorations. + * + * \sa QWaylandQuickItem + */ + +/*! + * Constructs a QWaylandQuickShellSurfaceItem with the given \a parent. + */ +QWaylandQuickShellSurfaceItem::QWaylandQuickShellSurfaceItem(QQuickItem *parent) + : QWaylandQuickItem(*new QWaylandQuickShellSurfaceItemPrivate(), parent) +{ +} + +/*! + * \internal + */ +QWaylandQuickShellSurfaceItem::QWaylandQuickShellSurfaceItem(QWaylandQuickShellSurfaceItemPrivate &dd, QQuickItem *parent) + : QWaylandQuickItem(dd, parent) +{ +} + +/*! + * \qmlproperty object QtWaylandCompositor::ShellSurfaceItem::shellSurface + * + * This property holds the shell surface rendered by this ShellSurfaceItem. + */ + +/*! + * \property QWaylandQuickShellSurfaceItem::shellSurface + * + * This property holds the shell surface rendered by this QWaylandQuickShellSurfaceItem. + */ +QWaylandShellSurface *QWaylandQuickShellSurfaceItem::shellSurface() const +{ + Q_D(const QWaylandQuickShellSurfaceItem); + return d->shellSurface; +} + +void QWaylandQuickShellSurfaceItem::setShellSurface(QWaylandShellSurface *shellSurface) +{ + Q_D(QWaylandQuickShellSurfaceItem); + if (shellSurface == d->shellSurface) + return; + + if (d->shellSurface) { + disconnect(d->shellSurface, &QWaylandShellSurface::startMove, this, &QWaylandQuickShellSurfaceItem::handleStartMove); + disconnect(d->shellSurface, &QWaylandShellSurface::startResize, this, &QWaylandQuickShellSurfaceItem::handleStartResize); + } + d->shellSurface = shellSurface; + if (d->shellSurface) { + connect(d->shellSurface, &QWaylandShellSurface::startMove, this, &QWaylandQuickShellSurfaceItem::handleStartMove); + connect(d->shellSurface, &QWaylandShellSurface::startResize, this, &QWaylandQuickShellSurfaceItem::handleStartResize); + } + emit shellSurfaceChanged(); +} + +/*! + * \internal + * \property QWaylandQuickShellSurfaceItem::moveItem + * + * This property holds the move item for this QWaylandQuickShellSurfaceItem. + */ +QQuickItem *QWaylandQuickShellSurfaceItem::moveItem() const +{ + Q_D(const QWaylandQuickShellSurfaceItem); + return d->moveItem; +} + +void QWaylandQuickShellSurfaceItem::setMoveItem(QQuickItem *moveItem) +{ + Q_D(QWaylandQuickShellSurfaceItem); + if (d->moveItem == moveItem) + return; + d->moveItem = moveItem; + moveItemChanged(); +} + +/*! + * \internal + */ +void QWaylandQuickShellSurfaceItem::handleStartMove(QWaylandInputDevice *inputDevice) +{ + Q_D(QWaylandQuickShellSurfaceItem); + d->grabberState = QWaylandQuickShellSurfaceItemPrivate::MoveState; + d->moveState.inputDevice = inputDevice; + d->moveState.initialized = false; +} + +/*! + * \internal + */ +void QWaylandQuickShellSurfaceItem::handleStartResize(QWaylandInputDevice *inputDevice, QWaylandShellSurface::ResizeEdge edges) +{ + Q_D(QWaylandQuickShellSurfaceItem); + d->grabberState = QWaylandQuickShellSurfaceItemPrivate::ResizeState; + d->resizeState.inputDevice = inputDevice; + d->resizeState.resizeEdges = edges; + d->resizeState.initialSize = surface()->size(); + d->resizeState.initialized = false; +} + +/*! + * \internal + */ +void QWaylandQuickShellSurfaceItem::adjustOffsetForNextFrame(const QPointF &offset) +{ + Q_D(QWaylandQuickShellSurfaceItem); + QQuickItem *moveItem = d->moveItem ? d->moveItem : this; + moveItem->setPosition(moveItem->position() + offset); +} + +/*! + * \internal + */ +void QWaylandQuickShellSurfaceItem::mouseMoveEvent(QMouseEvent *event) +{ + Q_D(QWaylandQuickShellSurfaceItem); + if (d->grabberState == QWaylandQuickShellSurfaceItemPrivate::ResizeState) { + Q_ASSERT(d->resizeState.inputDevice == compositor()->inputDeviceFor(event)); + if (!d->resizeState.initialized) { + d->resizeState.initialMousePos = event->windowPos(); + d->resizeState.initialized = true; + return; + } + QPointF delta = event->windowPos() - d->resizeState.initialMousePos; + QSize newSize = shellSurface()->sizeForResize(d->resizeState.initialSize, delta, d->resizeState.resizeEdges); + shellSurface()->sendConfigure(newSize, d->resizeState.resizeEdges); + } else if (d->grabberState == QWaylandQuickShellSurfaceItemPrivate::MoveState) { + Q_ASSERT(d->moveState.inputDevice == compositor()->inputDeviceFor(event)); + QQuickItem *moveItem = d->moveItem ? d->moveItem : this; + if (!d->moveState.initialized) { + d->moveState.initialOffset = moveItem->mapFromItem(Q_NULLPTR, event->windowPos()); + d->moveState.initialized = true; + return; + } + if (!moveItem->parentItem()) + return; + QPointF parentPos = moveItem->parentItem()->mapFromItem(Q_NULLPTR, event->windowPos()); + moveItem->setPosition(parentPos - d->moveState.initialOffset); + } else { + QWaylandQuickItem::mouseMoveEvent(event); + } +} + +/*! + * \internal + */ +void QWaylandQuickShellSurfaceItem::mouseReleaseEvent(QMouseEvent *event) +{ + Q_D(QWaylandQuickShellSurfaceItem); + if (d->grabberState != QWaylandQuickShellSurfaceItemPrivate::DefaultState) { + d->grabberState = QWaylandQuickShellSurfaceItemPrivate::DefaultState; + return; + } + QWaylandQuickItem::mouseReleaseEvent(event); +} + +/*! + * \internal + */ +void QWaylandQuickShellSurfaceItem::surfaceChangedEvent(QWaylandSurface *newSurface, QWaylandSurface *oldSurface) +{ + if (oldSurface) + disconnect(oldSurface, &QWaylandSurface::offsetForNextFrame, this, &QWaylandQuickShellSurfaceItem::adjustOffsetForNextFrame); + + if (newSurface) + connect(newSurface, &QWaylandSurface::offsetForNextFrame, this, &QWaylandQuickShellSurfaceItem::adjustOffsetForNextFrame); +} + +/*! + * \internal + */ +void QWaylandQuickShellSurfaceItem::componentComplete() +{ + Q_D(QWaylandQuickShellSurfaceItem); + if (!d->shellSurface) + setShellSurface(new QWaylandShellSurface()); + + QWaylandQuickItem::componentComplete(); +} + +QT_END_NAMESPACE |