kwin/xwl/databridge.cpp
Vlad Zahorodnii 68ec39f433 [xwayland] Ensure that DataBridge is initialized prior to PropertyNotify
Since WaylandCursorImage no longer flushes the internal connection
connection and dispatches events, the DataBridge must do it to ensure
that the selections are initialized prior to receiving a ProperyNotify
event.
2020-06-18 07:14:58 +00:00

138 lines
3.8 KiB
C++

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