445335ba5f
Summary: Have one dedicated method which performs the connection for both Client and ShellClient. This fixes the desktopPresenceChanged signal not being passed to the effects. Note that not all signals are merged. Most signals setup for Client don't make sense for ShellClient as ShellClient cannot block composite or unredirect. Test Plan: Test case added for ShellClient to ensure that the signal is correctly invoked on the ShellClient, Workspace and EffectsHandler. Reviewers: #kwin, #plasma_on_wayland Subscribers: plasma-devel, kwin Tags: #plasma_on_wayland, #kwin Differential Revision: https://phabricator.kde.org/D2059
611 lines
20 KiB
C++
611 lines
20 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 (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
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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 "wayland_server.h"
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#include "client.h"
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#include "platform.h"
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#include "composite.h"
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#include "screens.h"
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#include "shell_client.h"
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#include "workspace.h"
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// Client
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#include <KWayland/Client/connection_thread.h>
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#include <KWayland/Client/event_queue.h>
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#include <KWayland/Client/registry.h>
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#include <KWayland/Client/shm_pool.h>
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#include <KWayland/Client/surface.h>
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// Server
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#include <KWayland/Server/compositor_interface.h>
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#include <KWayland/Server/datadevicemanager_interface.h>
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#include <KWayland/Server/display.h>
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#include <KWayland/Server/dpms_interface.h>
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#include <KWayland/Server/idle_interface.h>
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#include <KWayland/Server/output_interface.h>
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#include <KWayland/Server/plasmashell_interface.h>
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#include <KWayland/Server/plasmawindowmanagement_interface.h>
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#include <KWayland/Server/qtsurfaceextension_interface.h>
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#include <KWayland/Server/seat_interface.h>
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#include <KWayland/Server/server_decoration_interface.h>
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#include <KWayland/Server/shadow_interface.h>
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#include <KWayland/Server/subcompositor_interface.h>
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#include <KWayland/Server/blur_interface.h>
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#include <KWayland/Server/shell_interface.h>
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#include <KWayland/Server/outputmanagement_interface.h>
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#include <KWayland/Server/outputconfiguration_interface.h>
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// Qt
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#include <QThread>
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#include <QWindow>
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// system
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <unistd.h>
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//screenlocker
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#include <KScreenLocker/KsldApp>
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using namespace KWayland::Server;
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namespace KWin
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{
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KWIN_SINGLETON_FACTORY(WaylandServer)
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WaylandServer::WaylandServer(QObject *parent)
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: QObject(parent)
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{
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qRegisterMetaType<KWayland::Server::SurfaceInterface *>("KWayland::Server::SurfaceInterface *");
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qRegisterMetaType<KWayland::Server::OutputInterface::DpmsMode>();
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connect(kwinApp(), &Application::screensCreated, this, &WaylandServer::initOutputs);
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connect(kwinApp(), &Application::x11ConnectionChanged, this, &WaylandServer::setupX11ClipboardSync);
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}
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WaylandServer::~WaylandServer()
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{
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destroyInputMethodConnection();
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}
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void WaylandServer::destroyInternalConnection()
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{
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emit terminatingInternalClientConnection();
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if (m_internalConnection.client) {
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delete m_internalConnection.registry;
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delete m_internalConnection.shm;
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dispatch();
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m_internalConnection.client->deleteLater();
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m_internalConnection.clientThread->quit();
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m_internalConnection.clientThread->wait();
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delete m_internalConnection.clientThread;
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m_internalConnection.client = nullptr;
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m_internalConnection.server->destroy();
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m_internalConnection.server = nullptr;
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}
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}
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void WaylandServer::terminateClientConnections()
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{
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destroyInternalConnection();
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destroyInputMethodConnection();
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if (m_display) {
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const auto connections = m_display->connections();
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for (auto it = connections.begin(); it != connections.end(); ++it) {
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(*it)->destroy();
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}
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}
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}
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bool WaylandServer::init(const QByteArray &socketName, InitalizationFlags flags)
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{
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m_initFlags = flags;
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m_display = new KWayland::Server::Display(this);
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if (!socketName.isNull() && !socketName.isEmpty()) {
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m_display->setSocketName(QString::fromUtf8(socketName));
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}
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m_display->start();
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if (!m_display->isRunning()) {
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return false;
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}
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m_compositor = m_display->createCompositor(m_display);
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m_compositor->create();
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connect(m_compositor, &CompositorInterface::surfaceCreated, this,
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[this] (SurfaceInterface *surface) {
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// check whether we have a Toplevel with the Surface's id
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Workspace *ws = Workspace::self();
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if (!ws) {
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// it's possible that a Surface gets created before Workspace is created
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return;
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}
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if (surface->client() != xWaylandConnection()) {
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// setting surface is only relevat for Xwayland clients
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return;
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}
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auto check = [surface] (const Toplevel *t) {
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return t->surfaceId() == surface->id();
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};
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if (Toplevel *t = ws->findToplevel(check)) {
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t->setSurface(surface);
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}
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}
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);
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m_shell = m_display->createShell(m_display);
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m_shell->create();
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connect(m_shell, &ShellInterface::surfaceCreated, this,
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[this] (ShellSurfaceInterface *surface) {
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if (!Workspace::self()) {
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// it's possible that a Surface gets created before Workspace is created
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return;
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}
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if (surface->client() == m_xwayland.client) {
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// skip Xwayland clients, those are created using standard X11 way
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return;
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}
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if (surface->client() == m_screenLockerClientConnection) {
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ScreenLocker::KSldApp::self()->lockScreenShown();
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}
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auto client = new ShellClient(surface);
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if (client->isInternal()) {
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m_internalClients << client;
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} else {
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m_clients << client;
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}
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if (client->readyForPainting()) {
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emit shellClientAdded(client);
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} else {
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connect(client, &ShellClient::windowShown, this, &WaylandServer::shellClientShown);
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}
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}
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);
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m_display->createShm();
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m_seat = m_display->createSeat(m_display);
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m_seat->create();
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auto ddm = m_display->createDataDeviceManager(m_display);
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ddm->create();
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connect(ddm, &DataDeviceManagerInterface::dataDeviceCreated, this,
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[this] (DataDeviceInterface *ddi) {
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if (ddi->client() == m_xclipbaordSync.client && m_xclipbaordSync.client != nullptr) {
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m_xclipbaordSync.ddi = QPointer<DataDeviceInterface>(ddi);
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connect(m_xclipbaordSync.ddi.data(), &DataDeviceInterface::selectionChanged, this,
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[this] {
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// testing whether the active client inherits Client
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// it would be better to test for the keyboard focus, but we might get a clipboard update
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// when the Client is already active, but no Surface is created yet.
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if (workspace()->activeClient() && workspace()->activeClient()->inherits("KWin::Client")) {
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m_seat->setSelection(m_xclipbaordSync.ddi.data());
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}
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}
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);
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}
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}
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);
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m_display->createIdle(m_display)->create();
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m_plasmaShell = m_display->createPlasmaShell(m_display);
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m_plasmaShell->create();
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connect(m_plasmaShell, &PlasmaShellInterface::surfaceCreated,
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[this] (PlasmaShellSurfaceInterface *surface) {
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if (ShellClient *client = findClient(surface->surface())) {
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client->installPlasmaShellSurface(surface);
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}
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}
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);
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m_qtExtendedSurface = m_display->createQtSurfaceExtension(m_display);
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m_qtExtendedSurface->create();
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connect(m_qtExtendedSurface, &QtSurfaceExtensionInterface::surfaceCreated,
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[this] (QtExtendedSurfaceInterface *surface) {
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if (ShellClient *client = findClient(surface->surface())) {
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client->installQtExtendedSurface(surface);
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}
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}
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);
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m_windowManagement = m_display->createPlasmaWindowManagement(m_display);
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m_windowManagement->create();
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m_windowManagement->setShowingDesktopState(PlasmaWindowManagementInterface::ShowingDesktopState::Disabled);
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connect(m_windowManagement, &PlasmaWindowManagementInterface::requestChangeShowingDesktop, this,
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[] (PlasmaWindowManagementInterface::ShowingDesktopState state) {
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if (!workspace()) {
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return;
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}
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bool set = false;
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switch (state) {
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case PlasmaWindowManagementInterface::ShowingDesktopState::Disabled:
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set = false;
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break;
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case PlasmaWindowManagementInterface::ShowingDesktopState::Enabled:
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set = true;
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break;
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default:
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Q_UNREACHABLE();
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break;
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}
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if (set == workspace()->showingDesktop()) {
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return;
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}
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workspace()->setShowingDesktop(set);
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}
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);
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auto shadowManager = m_display->createShadowManager(m_display);
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shadowManager->create();
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m_display->createDpmsManager(m_display)->create();
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m_decorationManager = m_display->createServerSideDecorationManager(m_display);
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connect(m_decorationManager, &ServerSideDecorationManagerInterface::decorationCreated, this,
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[this] (ServerSideDecorationInterface *deco) {
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if (ShellClient *c = findClient(deco->surface())) {
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c->installServerSideDecoration(deco);
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}
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}
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);
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m_decorationManager->create();
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m_outputManagement = m_display->createOutputManagement(m_display);
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connect(m_outputManagement, &OutputManagementInterface::configurationChangeRequested,
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this, [this](KWayland::Server::OutputConfigurationInterface *config) {
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kwinApp()->platform()->configurationChangeRequested(config);
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});
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m_outputManagement->create();
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m_display->createSubCompositor(m_display)->create();
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return true;
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}
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void WaylandServer::shellClientShown(Toplevel *t)
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{
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ShellClient *c = dynamic_cast<ShellClient*>(t);
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if (!c) {
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qCWarning(KWIN_CORE) << "Failed to cast a Toplevel which is supposed to be a ShellClient to ShellClient";
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return;
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}
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disconnect(c, &ShellClient::windowShown, this, &WaylandServer::shellClientShown);
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emit shellClientAdded(c);
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}
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void WaylandServer::initWorkspace()
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{
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if (m_windowManagement) {
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connect(workspace(), &Workspace::showingDesktopChanged, this,
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[this] (bool set) {
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using namespace KWayland::Server;
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m_windowManagement->setShowingDesktopState(set ?
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PlasmaWindowManagementInterface::ShowingDesktopState::Enabled :
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PlasmaWindowManagementInterface::ShowingDesktopState::Disabled
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);
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}
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);
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}
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if (hasScreenLockerIntegration()) {
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ScreenLocker::KSldApp::self();
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ScreenLocker::KSldApp::self()->setWaylandDisplay(m_display);
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ScreenLocker::KSldApp::self()->setGreeterEnvironment(kwinApp()->processStartupEnvironment());
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ScreenLocker::KSldApp::self()->initialize();
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connect(ScreenLocker::KSldApp::self(), &ScreenLocker::KSldApp::greeterClientConnectionChanged, this,
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[this] () {
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m_screenLockerClientConnection = ScreenLocker::KSldApp::self()->greeterClientConnection();
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}
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);
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connect(ScreenLocker::KSldApp::self(), &ScreenLocker::KSldApp::unlocked, this,
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[this] () {
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m_screenLockerClientConnection = nullptr;
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}
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);
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if (m_initFlags.testFlag(InitalizationFlag::LockScreen)) {
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ScreenLocker::KSldApp::self()->lock(ScreenLocker::EstablishLock::Immediate);
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}
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}
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}
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void WaylandServer::initOutputs()
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{
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if (kwinApp()->platform()->handlesOutputs()) {
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return;
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}
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Screens *s = screens();
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Q_ASSERT(s);
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for (int i = 0; i < s->count(); ++i) {
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OutputInterface *output = m_display->createOutput(m_display);
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const QRect &geo = s->geometry(i);
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output->setGlobalPosition(geo.topLeft());
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output->setPhysicalSize(geo.size() / 3.8);
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output->addMode(geo.size());
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output->create();
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}
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}
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int WaylandServer::createXWaylandConnection()
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{
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int sx[2];
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if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sx) < 0) {
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qCWarning(KWIN_CORE) << "Could not create socket";
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return -1;
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}
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m_xwayland.client = m_display->createClient(sx[0]);
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m_xwayland.destroyConnection = connect(m_xwayland.client, &KWayland::Server::ClientConnection::disconnected, this,
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[] {
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qFatal("Xwayland Connection died");
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}
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);
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return sx[1];
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}
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void WaylandServer::destroyXWaylandConnection()
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{
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if (!m_xwayland.client) {
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return;
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}
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// first terminate the clipboard sync
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if (m_xclipbaordSync.process) {
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m_xclipbaordSync.process->terminate();
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}
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disconnect(m_xwayland.destroyConnection);
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m_xwayland.client->destroy();
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m_xwayland.client = nullptr;
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}
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int WaylandServer::createInputMethodConnection()
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{
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int sx[2];
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if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sx) < 0) {
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qCWarning(KWIN_CORE) << "Could not create socket";
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return -1;
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}
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m_inputMethodServerConnection = m_display->createClient(sx[0]);
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return sx[1];
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}
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void WaylandServer::destroyInputMethodConnection()
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{
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if (!m_inputMethodServerConnection) {
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return;
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}
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m_inputMethodServerConnection->destroy();
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m_inputMethodServerConnection = nullptr;
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}
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int WaylandServer::createXclipboardSyncConnection()
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{
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int sx[2];
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if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sx) < 0) {
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qCWarning(KWIN_CORE) << "Could not create socket";
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return -1;
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}
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m_xclipbaordSync.client = m_display->createClient(sx[0]);
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return sx[1];
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}
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void WaylandServer::setupX11ClipboardSync()
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{
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if (m_xclipbaordSync.process) {
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return;
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}
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int socket = dup(createXclipboardSyncConnection());
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if (socket == -1) {
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delete m_xclipbaordSync.client;
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m_xclipbaordSync.client = nullptr;
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return;
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}
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if (socket >= 0) {
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QProcessEnvironment environment = kwinApp()->processStartupEnvironment();
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environment.insert(QStringLiteral("WAYLAND_SOCKET"), QByteArray::number(socket));
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environment.insert(QStringLiteral("DISPLAY"), QString::fromUtf8(qgetenv("DISPLAY")));
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environment.remove("WAYLAND_DISPLAY");
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m_xclipbaordSync.process = new Process(this);
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m_xclipbaordSync.process->setProcessChannelMode(QProcess::ForwardedErrorChannel);
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auto finishedSignal = static_cast<void (QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished);
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connect(m_xclipbaordSync.process, finishedSignal, this,
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[this] {
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m_xclipbaordSync.process->deleteLater();
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m_xclipbaordSync.process = nullptr;
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m_xclipbaordSync.ddi.clear();
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m_xclipbaordSync.client->destroy();
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m_xclipbaordSync.client = nullptr;
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// TODO: restart
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}
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);
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m_xclipbaordSync.process->setProcessEnvironment(environment);
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m_xclipbaordSync.process->start(QStringLiteral(KWIN_XCLIPBOARD_SYNC_BIN));
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}
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}
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void WaylandServer::createInternalConnection()
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{
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int sx[2];
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if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sx) < 0) {
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qCWarning(KWIN_CORE) << "Could not create socket";
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return;
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}
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m_internalConnection.server = m_display->createClient(sx[0]);
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using namespace KWayland::Client;
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m_internalConnection.client = new ConnectionThread();
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m_internalConnection.client->setSocketFd(sx[1]);
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m_internalConnection.clientThread = new QThread;
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m_internalConnection.client->moveToThread(m_internalConnection.clientThread);
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m_internalConnection.clientThread->start();
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connect(m_internalConnection.client, &ConnectionThread::connected, this,
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[this] {
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Registry *registry = new Registry(this);
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EventQueue *eventQueue = new EventQueue(this);
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eventQueue->setup(m_internalConnection.client);
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registry->setEventQueue(eventQueue);
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registry->create(m_internalConnection.client);
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m_internalConnection.registry = registry;
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connect(registry, &Registry::shmAnnounced, this,
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[this] (quint32 name, quint32 version) {
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m_internalConnection.shm = m_internalConnection.registry->createShmPool(name, version, this);
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}
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);
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registry->setup();
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}
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);
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m_internalConnection.client->initConnection();
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}
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void WaylandServer::removeClient(ShellClient *c)
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{
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m_clients.removeAll(c);
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m_internalClients.removeAll(c);
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emit shellClientRemoved(c);
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}
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void WaylandServer::dispatch()
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{
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if (!m_display) {
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return;
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}
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if (m_internalConnection.server) {
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m_internalConnection.server->flush();
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}
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m_display->dispatchEvents(0);
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}
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static ShellClient *findClientInList(const QList<ShellClient*> &clients, quint32 id)
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{
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auto it = std::find_if(clients.begin(), clients.end(),
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[id] (ShellClient *c) {
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return c->windowId() == id;
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}
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);
|
|
if (it == clients.end()) {
|
|
return nullptr;
|
|
}
|
|
return *it;
|
|
}
|
|
|
|
static ShellClient *findClientInList(const QList<ShellClient*> &clients, KWayland::Server::SurfaceInterface *surface)
|
|
{
|
|
auto it = std::find_if(clients.begin(), clients.end(),
|
|
[surface] (ShellClient *c) {
|
|
return c->surface() == surface;
|
|
}
|
|
);
|
|
if (it == clients.end()) {
|
|
return nullptr;
|
|
}
|
|
return *it;
|
|
}
|
|
|
|
ShellClient *WaylandServer::findClient(quint32 id) const
|
|
{
|
|
if (id == 0) {
|
|
return nullptr;
|
|
}
|
|
if (ShellClient *c = findClientInList(m_clients, id)) {
|
|
return c;
|
|
}
|
|
if (ShellClient *c = findClientInList(m_internalClients, id)) {
|
|
return c;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
ShellClient *WaylandServer::findClient(SurfaceInterface *surface) const
|
|
{
|
|
if (!surface) {
|
|
return nullptr;
|
|
}
|
|
if (ShellClient *c = findClientInList(m_clients, surface)) {
|
|
return c;
|
|
}
|
|
if (ShellClient *c = findClientInList(m_internalClients, surface)) {
|
|
return c;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
ShellClient *WaylandServer::findClient(QWindow *w) const
|
|
{
|
|
if (!w) {
|
|
return nullptr;
|
|
}
|
|
auto it = std::find_if(m_internalClients.constBegin(), m_internalClients.constEnd(),
|
|
[w] (const ShellClient *c) {
|
|
return c->internalWindow() == w;
|
|
}
|
|
);
|
|
if (it != m_internalClients.constEnd()) {
|
|
return *it;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
quint32 WaylandServer::createWindowId(SurfaceInterface *surface)
|
|
{
|
|
auto it = m_clientIds.constFind(surface->client());
|
|
quint16 clientId = 0;
|
|
if (it != m_clientIds.constEnd()) {
|
|
clientId = it.value();
|
|
} else {
|
|
clientId = createClientId(surface->client());
|
|
}
|
|
Q_ASSERT(clientId != 0);
|
|
quint32 id = clientId;
|
|
// TODO: this does not prevent that two surfaces of same client get same id
|
|
id = (id << 16) | (surface->id() & 0xFFFF);
|
|
if (findClient(id)) {
|
|
qCWarning(KWIN_CORE) << "Invalid client windowId generated:" << id;
|
|
return 0;
|
|
}
|
|
return id;
|
|
}
|
|
|
|
quint16 WaylandServer::createClientId(ClientConnection *c)
|
|
{
|
|
auto ids = m_clientIds.values().toSet();
|
|
quint16 id = 1;
|
|
if (!ids.isEmpty()) {
|
|
for (quint16 i = ids.count() + 1; i >= 1 ; i--) {
|
|
if (!ids.contains(i)) {
|
|
id = i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
Q_ASSERT(!ids.contains(id));
|
|
m_clientIds.insert(c, id);
|
|
connect(c, &ClientConnection::disconnected, this,
|
|
[this] (ClientConnection *c) {
|
|
m_clientIds.remove(c);
|
|
}
|
|
);
|
|
return id;
|
|
}
|
|
|
|
bool WaylandServer::isScreenLocked() const
|
|
{
|
|
if (!hasScreenLockerIntegration()) {
|
|
return false;
|
|
}
|
|
return ScreenLocker::KSldApp::self()->lockState() == ScreenLocker::KSldApp::Locked ||
|
|
ScreenLocker::KSldApp::self()->lockState() == ScreenLocker::KSldApp::AcquiringLock;
|
|
}
|
|
|
|
bool WaylandServer::hasScreenLockerIntegration() const
|
|
{
|
|
return !m_initFlags.testFlag(InitalizationFlag::NoLockScreenIntegration);
|
|
}
|
|
|
|
}
|