diff options
Diffstat (limited to 'src/client/qwaylanddatadevice.cpp')
| -rw-r--r-- | src/client/qwaylanddatadevice.cpp | 191 |
1 files changed, 125 insertions, 66 deletions
diff --git a/src/client/qwaylanddatadevice.cpp b/src/client/qwaylanddatadevice.cpp index 19944a349..a59b201f6 100644 --- a/src/client/qwaylanddatadevice.cpp +++ b/src/client/qwaylanddatadevice.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 Klarälvdalens Datakonsult AB (KDAB). -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtWaylandClient module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 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.LGPL3 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-3.0.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 (at your option) the GNU General -** Public license version 3 or 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.GPL2 and 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-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 Klarälvdalens Datakonsult AB (KDAB). +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qwaylanddatadevice_p.h" @@ -49,6 +13,8 @@ #include "qwaylandabstractdecoration_p.h" #include "qwaylandsurface_p.h" +#include <QtWaylandClient/private/qwayland-xdg-toplevel-drag-v1.h> + #include <QtCore/QMimeData> #include <QtGui/QGuiApplication> #include <QtGui/private/qguiapplication_p.h> @@ -63,8 +29,11 @@ QT_BEGIN_NAMESPACE namespace QtWaylandClient { +using namespace Qt::StringLiterals; + QWaylandDataDevice::QWaylandDataDevice(QWaylandDataDeviceManager *manager, QWaylandInputDevice *inputDevice) - : QtWayland::wl_data_device(manager->get_data_device(inputDevice->wl_seat())) + : QObject(inputDevice) + , QtWayland::wl_data_device(manager->get_data_device(inputDevice->wl_seat())) , m_display(manager->display()) , m_inputDevice(inputDevice) { @@ -72,6 +41,10 @@ QWaylandDataDevice::QWaylandDataDevice(QWaylandDataDeviceManager *manager, QWayl QWaylandDataDevice::~QWaylandDataDevice() { + if (version() >= WL_DATA_DEVICE_RELEASE_SINCE_VERSION) + release(); + else + wl_data_device_destroy(object()); } QWaylandDataOffer *QWaylandDataDevice::selectionOffer() const @@ -110,7 +83,7 @@ QWaylandDataOffer *QWaylandDataDevice::dragOffer() const return m_dragOffer.data(); } -bool QWaylandDataDevice::startDrag(QMimeData *mimeData, QWaylandWindow *icon) +bool QWaylandDataDevice::startDrag(QMimeData *mimeData, Qt::DropActions supportedActions, QWaylandWindow *icon) { auto *seat = m_display->currentInputDevice(); auto *origin = seat->pointerFocus(); @@ -122,8 +95,71 @@ bool QWaylandDataDevice::startDrag(QMimeData *mimeData, QWaylandWindow *icon) return false; } + // dragging data without mimetypes is a legal operation in Qt terms + // but Wayland uses a mimetype to determine if a drag is accepted or not + // In this rare case, insert a placeholder + if (mimeData->formats().isEmpty()) + mimeData->setData("application/x-qt-avoid-empty-placeholder"_L1, QByteArray("1")); + m_dragSource.reset(new QWaylandDataSource(m_display->dndSelectionHandler(), mimeData)); + + if (version() >= 3) + m_dragSource->set_actions(dropActionsToWl(supportedActions)); + connect(m_dragSource.data(), &QWaylandDataSource::cancelled, this, &QWaylandDataDevice::dragSourceCancelled); + connect(m_dragSource.data(), &QWaylandDataSource::dndResponseUpdated, this, [this](bool accepted, Qt::DropAction action) { + auto drag = static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag()); + if (!drag->currentDrag()) { + return; + } + // in old versions drop action is not set, so we guess + if (m_dragSource->version() < 3) { + drag->setResponse(accepted); + } else { + QPlatformDropQtResponse response(accepted, action); + drag->setResponse(response); + } + }); + connect(m_dragSource.data(), &QWaylandDataSource::dndDropped, this, + [this](bool accepted, Qt::DropAction action) { + QPlatformDropQtResponse response(accepted, action); + if (m_toplevelDrag) { + // If the widget was dropped but the drag not accepted it + // should be its own window in the future. To distinguish + // from canceling mid-drag the drag is accepted here as the + // we know if the widget is over a zone where it can be + // incorporated or not + response = { accepted, Qt::MoveAction }; + } + static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag()) + ->setDropResponse(response); + }); + connect(m_dragSource.data(), &QWaylandDataSource::finished, this, [this]() { + static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->finishDrag(); + if (m_toplevelDrag) { + m_toplevelDrag->destroy(); + m_toplevelDrag = nullptr; + } + }); + + if (mimeData->hasFormat("application/x-qt-mainwindowdrag-window"_L1) + && m_display->xdgToplevelDragManager()) { + qintptr dockWindowPtr; + QPoint offset; + QDataStream windowStream(mimeData->data("application/x-qt-mainwindowdrag-window"_L1)); + windowStream >> dockWindowPtr; + QWindow *dockWindow = reinterpret_cast<QWindow *>(dockWindowPtr); + QDataStream offsetStream(mimeData->data("application/x-qt-mainwindowdrag-position"_L1)); + offsetStream >> offset; + if (auto waylandWindow = static_cast<QWaylandWindow *>(dockWindow->handle())) { + if (auto toplevel = waylandWindow->surfaceRole<xdg_toplevel>()) { + m_toplevelDrag = new QtWayland::xdg_toplevel_drag_v1( + m_display->xdgToplevelDragManager()->get_xdg_toplevel_drag( + m_dragSource->object())); + m_toplevelDrag->attach(toplevel, offset.x(), offset.y()); + } + } + } start_drag(m_dragSource->object(), origin->wlSurface(), icon->wlSurface(), m_display->currentInputDevice()->serial()); return true; @@ -152,7 +188,7 @@ void QWaylandDataDevice::data_device_drop() supportedActions = drag->supportedActions(); } else if (m_dragOffer) { dragData = m_dragOffer->mimeData(); - supportedActions = Qt::CopyAction | Qt::MoveAction | Qt::LinkAction; + supportedActions = m_dragOffer->supportedActions(); } else { return; } @@ -160,15 +196,18 @@ void QWaylandDataDevice::data_device_drop() QPlatformDropQtResponse response = QWindowSystemInterface::handleDrop(m_dragWindow, dragData, m_dragPoint, supportedActions, QGuiApplication::mouseButtons(), QGuiApplication::keyboardModifiers()); - if (drag) { - static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->finishDrag(response); + auto drag = static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag()); + drag->setDropResponse(response); + drag->finishDrag(); + } else if (m_dragOffer) { + m_dragOffer->finish(); } } void QWaylandDataDevice::data_device_enter(uint32_t serial, wl_surface *surface, wl_fixed_t x, wl_fixed_t y, wl_data_offer *id) { - auto *dragWaylandWindow = QWaylandWindow::fromWlSurface(surface); + auto *dragWaylandWindow = surface ? QWaylandWindow::fromWlSurface(surface) : nullptr; if (!dragWaylandWindow) return; // Ignore foreign surfaces @@ -186,22 +225,17 @@ void QWaylandDataDevice::data_device_enter(uint32_t serial, wl_surface *surface, supportedActions = drag->supportedActions(); } else if (m_dragOffer) { dragData = m_dragOffer->mimeData(); - supportedActions = Qt::CopyAction | Qt::MoveAction | Qt::LinkAction; + supportedActions = m_dragOffer->supportedActions(); } - const QPlatformDragQtResponse &response = QWindowSystemInterface::handleDrag(m_dragWindow, dragData, m_dragPoint, supportedActions, - QGuiApplication::mouseButtons(), - QGuiApplication::keyboardModifiers()); - + const QPlatformDragQtResponse &response = QWindowSystemInterface::handleDrag( + m_dragWindow, dragData, m_dragPoint, supportedActions, QGuiApplication::mouseButtons(), + QGuiApplication::keyboardModifiers()); if (drag) { static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->setResponse(response); } - if (response.isAccepted()) { - wl_data_offer_accept(m_dragOffer->object(), m_enterSerial, m_dragOffer->firstFormat().toUtf8().constData()); - } else { - wl_data_offer_accept(m_dragOffer->object(), m_enterSerial, nullptr); - } + sendResponse(supportedActions, response); } void QWaylandDataDevice::data_device_leave() @@ -235,10 +269,10 @@ void QWaylandDataDevice::data_device_motion(uint32_t time, wl_fixed_t x, wl_fixe supportedActions = drag->supportedActions(); } else { dragData = m_dragOffer->mimeData(); - supportedActions = Qt::CopyAction | Qt::MoveAction | Qt::LinkAction; + supportedActions = m_dragOffer->supportedActions(); } - QPlatformDragQtResponse response = QWindowSystemInterface::handleDrag(m_dragWindow, dragData, m_dragPoint, supportedActions, + const QPlatformDragQtResponse response = QWindowSystemInterface::handleDrag(m_dragWindow, dragData, m_dragPoint, supportedActions, QGuiApplication::mouseButtons(), QGuiApplication::keyboardModifiers()); @@ -246,11 +280,7 @@ void QWaylandDataDevice::data_device_motion(uint32_t time, wl_fixed_t x, wl_fixe static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->setResponse(response); } - if (response.isAccepted()) { - wl_data_offer_accept(m_dragOffer->object(), m_enterSerial, m_dragOffer->firstFormat().toUtf8().constData()); - } else { - wl_data_offer_accept(m_dragOffer->object(), m_enterSerial, nullptr); - } + sendResponse(supportedActions, response); } #endif // QT_CONFIG(draganddrop) @@ -277,12 +307,12 @@ void QWaylandDataDevice::selectionSourceCancelled() #if QT_CONFIG(draganddrop) void QWaylandDataDevice::dragSourceCancelled() { + static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->finishDrag(); m_dragSource.reset(); -} - -void QWaylandDataDevice::dragSourceTargetChanged(const QString &mimeType) -{ - static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->updateTarget(mimeType); + if (m_toplevelDrag) { + m_toplevelDrag->destroy(); + m_toplevelDrag = nullptr; + } } QPoint QWaylandDataDevice::calculateDragPosition(int x, int y, QWindow *wnd) const @@ -297,8 +327,37 @@ QPoint QWaylandDataDevice::calculateDragPosition(int x, int y, QWindow *wnd) con } return pnt; } + +void QWaylandDataDevice::sendResponse(Qt::DropActions supportedActions, const QPlatformDragQtResponse &response) +{ + if (response.isAccepted()) { + if (version() >= 3) + m_dragOffer->set_actions(dropActionsToWl(supportedActions), dropActionsToWl(response.acceptedAction())); + + m_dragOffer->accept(m_enterSerial, m_dragOffer->firstFormat()); + } else { + m_dragOffer->accept(m_enterSerial, QString()); + } +} + +int QWaylandDataDevice::dropActionsToWl(Qt::DropActions actions) +{ + + int wlActions = WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE; + if (actions & Qt::CopyAction) + wlActions |= WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY; + if (actions & (Qt::MoveAction | Qt::TargetMoveAction)) + wlActions |= WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE; + + // wayland does not support LinkAction at the time of writing + return wlActions; +} + + #endif // QT_CONFIG(draganddrop) } QT_END_NAMESPACE + +#include "moc_qwaylanddatadevice_p.cpp" |