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123 lines
3.5 KiB
C++
123 lines
3.5 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright 2018 Roman Gilg <subdiff@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "databridge.h"
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#include "xwayland.h"
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#include "selection.h"
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#include "clipboard.h"
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#include "dnd.h"
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#include "atoms.h"
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#include "wayland_server.h"
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#include "workspace.h"
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#include "abstract_client.h"
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// KWayland
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#include <KWayland/Client/seat.h>
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#include <KWayland/Client/datadevicemanager.h>
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#include <KWayland/Server/seat_interface.h>
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#include <KWayland/Server/datadevicemanager_interface.h>
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#include <KWayland/Server/datadevice_interface.h>
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namespace KWin {
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namespace Xwl {
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static DataBridge *s_self = nullptr;
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DataBridge* DataBridge::self()
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{
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return s_self;
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}
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DataBridge::DataBridge(QObject *parent)
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: QObject(parent)
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{
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s_self = this;
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auto *ddm = waylandServer()->internalDataDeviceManager();
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auto *seat = waylandServer()->internalSeat();
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m_dd = ddm->getDataDevice(seat, this);
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waylandServer()->dispatch();
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const auto *ddmi = waylandServer()->dataDeviceManager();
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auto *dc = new QMetaObject::Connection();
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*dc = connect(ddmi, &KWayland::Server::DataDeviceManagerInterface::dataDeviceCreated, this,
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[this, dc](KWayland::Server::DataDeviceInterface *ddi) {
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if (m_ddi || ddi->client() != waylandServer()->internalConnection()) {
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return;
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}
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QObject::disconnect(*dc);
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delete dc;
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m_ddi = ddi;
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init();
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}
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);
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}
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DataBridge::~DataBridge()
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{
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s_self = nullptr;
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}
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void DataBridge::init()
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{
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m_clipboard = new Clipboard(atoms->clipboard, this);
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m_dnd = new Dnd(atoms->xdnd_selection, this);
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waylandServer()->dispatch();
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}
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bool DataBridge::filterEvent(xcb_generic_event_t *event)
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{
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if (m_clipboard->filterEvent(event)) {
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return true;
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}
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if (m_dnd->filterEvent(event)) {
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return true;
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}
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if (event->response_type - Xwayland::self()->xfixes()->first_event == XCB_XFIXES_SELECTION_NOTIFY) {
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return handleXfixesNotify((xcb_xfixes_selection_notify_event_t *)event);
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}
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return false;
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}
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bool DataBridge::handleXfixesNotify(xcb_xfixes_selection_notify_event_t *event)
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{
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auto getSelection = [this](xcb_atom_t atom) -> Selection* {
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if (atom == atoms->clipboard) {
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return m_clipboard;
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}
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if (atom == atoms->xdnd_selection) {
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return m_dnd;
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}
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return nullptr;
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};
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auto *sel = getSelection(event->selection);
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return sel && sel->handleXfixesNotify(event);
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}
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DragEventReply DataBridge::dragMoveFilter(Toplevel *target, QPoint pos)
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{
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if (!m_dnd) {
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return DragEventReply::Wayland;
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}
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return m_dnd->dragMoveFilter(target, pos);
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}
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}
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}
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