| /**************************************************************************** |
| ** |
| ** 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 |
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| ** 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| |
| #include "qwaylanddatadevice_p.h" |
| |
| #include "qwaylanddatadevicemanager_p.h" |
| #include "qwaylanddataoffer_p.h" |
| #include "qwaylanddatasource_p.h" |
| #include "qwaylanddnd_p.h" |
| #include "qwaylandinputdevice_p.h" |
| #include "qwaylanddisplay_p.h" |
| #include "qwaylandabstractdecoration_p.h" |
| #include "qwaylandsurface_p.h" |
| |
| #include <QtCore/QMimeData> |
| #include <QtGui/QGuiApplication> |
| #include <QtGui/private/qguiapplication_p.h> |
| |
| #if QT_CONFIG(clipboard) |
| #include <qpa/qplatformclipboard.h> |
| #endif |
| #include <qpa/qplatformdrag.h> |
| #include <qpa/qwindowsysteminterface.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QtWaylandClient { |
| |
| QWaylandDataDevice::QWaylandDataDevice(QWaylandDataDeviceManager *manager, QWaylandInputDevice *inputDevice) |
| : QtWayland::wl_data_device(manager->get_data_device(inputDevice->wl_seat())) |
| , m_display(manager->display()) |
| , m_inputDevice(inputDevice) |
| { |
| } |
| |
| QWaylandDataDevice::~QWaylandDataDevice() |
| { |
| } |
| |
| QWaylandDataOffer *QWaylandDataDevice::selectionOffer() const |
| { |
| return m_selectionOffer.data(); |
| } |
| |
| void QWaylandDataDevice::invalidateSelectionOffer() |
| { |
| if (m_selectionOffer.isNull()) |
| return; |
| |
| m_selectionOffer.reset(); |
| |
| #if QT_CONFIG(clipboard) |
| QGuiApplicationPrivate::platformIntegration()->clipboard()->emitChanged(QClipboard::Clipboard); |
| #endif |
| } |
| |
| QWaylandDataSource *QWaylandDataDevice::selectionSource() const |
| { |
| return m_selectionSource.data(); |
| } |
| |
| void QWaylandDataDevice::setSelectionSource(QWaylandDataSource *source) |
| { |
| if (source) |
| connect(source, &QWaylandDataSource::cancelled, this, &QWaylandDataDevice::selectionSourceCancelled); |
| set_selection(source ? source->object() : nullptr, m_inputDevice->serial()); |
| m_selectionSource.reset(source); |
| } |
| |
| #if QT_CONFIG(draganddrop) |
| QWaylandDataOffer *QWaylandDataDevice::dragOffer() const |
| { |
| return m_dragOffer.data(); |
| } |
| |
| bool QWaylandDataDevice::startDrag(QMimeData *mimeData, QWaylandWindow *icon) |
| { |
| auto *seat = m_display->currentInputDevice(); |
| auto *origin = seat->pointerFocus(); |
| if (!origin) |
| origin = seat->touchFocus(); |
| |
| if (!origin) { |
| qCDebug(lcQpaWayland) << "Couldn't start a drag because the origin window could not be found."; |
| return false; |
| } |
| |
| m_dragSource.reset(new QWaylandDataSource(m_display->dndSelectionHandler(), mimeData)); |
| connect(m_dragSource.data(), &QWaylandDataSource::cancelled, this, &QWaylandDataDevice::dragSourceCancelled); |
| |
| start_drag(m_dragSource->object(), origin->wlSurface(), icon->wlSurface(), m_display->currentInputDevice()->serial()); |
| return true; |
| } |
| |
| void QWaylandDataDevice::cancelDrag() |
| { |
| m_dragSource.reset(); |
| } |
| #endif |
| |
| void QWaylandDataDevice::data_device_data_offer(struct ::wl_data_offer *id) |
| { |
| new QWaylandDataOffer(m_display, id); |
| } |
| |
| #if QT_CONFIG(draganddrop) |
| void QWaylandDataDevice::data_device_drop() |
| { |
| QDrag *drag = static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->currentDrag(); |
| |
| QMimeData *dragData = nullptr; |
| Qt::DropActions supportedActions; |
| if (drag) { |
| dragData = drag->mimeData(); |
| supportedActions = drag->supportedActions(); |
| } else if (m_dragOffer) { |
| dragData = m_dragOffer->mimeData(); |
| supportedActions = Qt::CopyAction | Qt::MoveAction | Qt::LinkAction; |
| } else { |
| return; |
| } |
| |
| QPlatformDropQtResponse response = QWindowSystemInterface::handleDrop(m_dragWindow, dragData, m_dragPoint, supportedActions); |
| |
| if (drag) { |
| static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->finishDrag(response); |
| } |
| } |
| |
| 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); |
| if (!dragWaylandWindow) |
| return; // Ignore foreign surfaces |
| |
| m_dragWindow = dragWaylandWindow->window(); |
| m_dragPoint = calculateDragPosition(x, y, m_dragWindow); |
| m_enterSerial = serial; |
| |
| QMimeData *dragData = nullptr; |
| Qt::DropActions supportedActions; |
| |
| m_dragOffer.reset(static_cast<QWaylandDataOffer *>(wl_data_offer_get_user_data(id))); |
| QDrag *drag = static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->currentDrag(); |
| if (drag) { |
| dragData = drag->mimeData(); |
| supportedActions = drag->supportedActions(); |
| } else if (m_dragOffer) { |
| dragData = m_dragOffer->mimeData(); |
| supportedActions = Qt::CopyAction | Qt::MoveAction | Qt::LinkAction; |
| } |
| |
| const QPlatformDragQtResponse &response = QWindowSystemInterface::handleDrag(m_dragWindow, dragData, m_dragPoint, supportedActions); |
| |
| 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); |
| } |
| } |
| |
| void QWaylandDataDevice::data_device_leave() |
| { |
| if (m_dragWindow) |
| QWindowSystemInterface::handleDrag(m_dragWindow, nullptr, QPoint(), Qt::IgnoreAction); |
| |
| QDrag *drag = static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->currentDrag(); |
| if (!drag) { |
| m_dragOffer.reset(); |
| } |
| } |
| |
| void QWaylandDataDevice::data_device_motion(uint32_t time, wl_fixed_t x, wl_fixed_t y) |
| { |
| Q_UNUSED(time); |
| |
| QDrag *drag = static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->currentDrag(); |
| |
| if (!drag && !m_dragOffer) |
| return; |
| |
| m_dragPoint = calculateDragPosition(x, y, m_dragWindow); |
| |
| QMimeData *dragData = nullptr; |
| Qt::DropActions supportedActions; |
| if (drag) { |
| dragData = drag->mimeData(); |
| supportedActions = drag->supportedActions(); |
| } else { |
| dragData = m_dragOffer->mimeData(); |
| supportedActions = Qt::CopyAction | Qt::MoveAction | Qt::LinkAction; |
| } |
| |
| QPlatformDragQtResponse response = QWindowSystemInterface::handleDrag(m_dragWindow, dragData, m_dragPoint, supportedActions); |
| |
| 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); |
| } |
| } |
| #endif // QT_CONFIG(draganddrop) |
| |
| void QWaylandDataDevice::data_device_selection(wl_data_offer *id) |
| { |
| if (id) |
| m_selectionOffer.reset(static_cast<QWaylandDataOffer *>(wl_data_offer_get_user_data(id))); |
| else |
| m_selectionOffer.reset(); |
| |
| #if QT_CONFIG(clipboard) |
| QGuiApplicationPrivate::platformIntegration()->clipboard()->emitChanged(QClipboard::Clipboard); |
| #endif |
| } |
| |
| void QWaylandDataDevice::selectionSourceCancelled() |
| { |
| m_selectionSource.reset(); |
| #if QT_CONFIG(clipboard) |
| QGuiApplicationPrivate::platformIntegration()->clipboard()->emitChanged(QClipboard::Clipboard); |
| #endif |
| } |
| |
| #if QT_CONFIG(draganddrop) |
| void QWaylandDataDevice::dragSourceCancelled() |
| { |
| m_dragSource.reset(); |
| } |
| |
| void QWaylandDataDevice::dragSourceTargetChanged(const QString &mimeType) |
| { |
| static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->updateTarget(mimeType); |
| } |
| |
| QPoint QWaylandDataDevice::calculateDragPosition(int x, int y, QWindow *wnd) const |
| { |
| QPoint pnt(wl_fixed_to_int(x), wl_fixed_to_int(y)); |
| if (wnd) { |
| QWaylandWindow *wwnd = static_cast<QWaylandWindow*>(m_dragWindow->handle()); |
| if (wwnd && wwnd->decoration()) { |
| pnt -= QPoint(wwnd->decoration()->margins().left(), |
| wwnd->decoration()->margins().top()); |
| } |
| } |
| return pnt; |
| } |
| #endif // QT_CONFIG(draganddrop) |
| |
| } |
| |
| QT_END_NAMESPACE |