2015-02-09 15:28:37 +03:00
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/********************************************************************
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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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2015-06-16 07:50:22 +03:00
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#include "client.h"
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2015-04-24 13:00:19 +03:00
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#include "abstract_backend.h"
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2015-03-04 11:21:10 +03:00
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#include "composite.h"
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2015-02-20 16:54:21 +03:00
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#include "screens.h"
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2015-03-04 11:21:10 +03:00
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#include "shell_client.h"
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2015-02-09 18:08:53 +03:00
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#include "workspace.h"
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2015-02-09 15:28:37 +03:00
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2015-04-02 15:37:23 +03:00
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// Client
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#include <KWayland/Client/connection_thread.h>
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2015-08-17 10:42:12 +03:00
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#include <KWayland/Client/event_queue.h>
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2015-04-02 15:37:23 +03:00
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#include <KWayland/Client/registry.h>
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2015-05-18 12:23:45 +03:00
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#include <KWayland/Client/surface.h>
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2015-04-02 15:37:23 +03:00
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// Server
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2015-02-09 15:28:37 +03:00
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#include <KWayland/Server/compositor_interface.h>
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2015-04-30 10:22:31 +03:00
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#include <KWayland/Server/datadevicemanager_interface.h>
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2015-02-09 15:28:37 +03:00
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#include <KWayland/Server/display.h>
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2015-09-01 12:30:30 +03:00
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#include <KWayland/Server/dpms_interface.h>
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2015-07-02 14:21:30 +03:00
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#include <KWayland/Server/idle_interface.h>
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2015-02-09 15:28:37 +03:00
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#include <KWayland/Server/output_interface.h>
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2015-06-09 20:10:56 +03:00
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#include <KWayland/Server/plasmashell_interface.h>
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2015-06-13 02:48:11 +03:00
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#include <KWayland/Server/plasmawindowmanagement_interface.h>
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2015-06-10 01:59:53 +03:00
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#include <KWayland/Server/qtsurfaceextension_interface.h>
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2015-02-25 11:35:42 +03:00
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#include <KWayland/Server/seat_interface.h>
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2015-07-15 12:24:19 +03:00
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#include <KWayland/Server/shadow_interface.h>
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2015-08-31 16:47:01 +03:00
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#include <KWayland/Server/blur_interface.h>
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2015-02-09 15:28:37 +03:00
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#include <KWayland/Server/shell_interface.h>
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2015-05-18 12:23:45 +03:00
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// Qt
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2015-08-17 10:42:12 +03:00
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#include <QThread>
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2015-05-18 12:23:45 +03:00
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#include <QWindow>
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2015-02-25 16:15:32 +03:00
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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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2015-02-09 15:28:37 +03:00
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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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2015-08-31 16:47:01 +03:00
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qRegisterMetaType<KWayland::Server::SurfaceInterface *>("KWayland::Server::SurfaceInterface *");
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2015-09-01 12:30:30 +03:00
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qRegisterMetaType<KWayland::Server::OutputInterface::DpmsMode>();
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2015-02-09 15:28:37 +03:00
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}
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2015-08-17 10:42:12 +03:00
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WaylandServer::~WaylandServer()
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{
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if (m_internalConnection.client) {
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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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}
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}
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2015-02-09 15:28:37 +03:00
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void WaylandServer::init(const QByteArray &socketName)
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{
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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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m_compositor = m_display->createCompositor(m_display);
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m_compositor->create();
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2015-02-09 18:08:53 +03:00
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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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2015-04-30 10:23:27 +03:00
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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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2015-02-09 18:08:53 +03:00
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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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2015-02-09 15:28:37 +03:00
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m_shell = m_display->createShell(m_display);
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m_shell->create();
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2015-03-04 11:21:10 +03:00
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connect(m_shell, &ShellInterface::surfaceCreated, this,
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[this] (ShellSurfaceInterface *surface) {
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2015-05-18 12:01:21 +03:00
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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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2015-03-04 11:21:10 +03:00
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if (surface->client() == m_xwaylandConnection) {
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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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auto client = new ShellClient(surface);
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if (auto c = Compositor::self()) {
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connect(client, &Toplevel::needsRepaint, c, &Compositor::scheduleRepaint);
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}
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2015-05-21 11:35:03 +03:00
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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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2015-05-21 12:20:48 +03:00
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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,
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[this, client] {
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emit shellClientAdded(client);
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2015-05-28 09:27:34 +03:00
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}
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2015-05-21 12:20:48 +03:00
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);
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}
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2015-03-04 11:21:10 +03:00
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}
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);
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2015-02-09 15:28:37 +03:00
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m_display->createShm();
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2015-02-25 11:35:42 +03:00
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m_seat = m_display->createSeat(m_display);
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m_seat->create();
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2015-04-30 10:22:31 +03:00
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m_display->createDataDeviceManager(m_display)->create();
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2015-07-02 14:21:30 +03:00
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m_display->createIdle(m_display)->create();
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2015-06-09 20:10:56 +03:00
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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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2015-06-10 01:59:53 +03:00
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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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2015-06-13 02:48:11 +03:00
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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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2015-07-15 12:24:19 +03:00
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auto shadowManager = m_display->createShadowManager(m_display);
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shadowManager->create();
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2015-09-01 12:30:30 +03:00
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m_display->createDpmsManager(m_display)->create();
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2015-06-13 02:48:11 +03:00
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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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2015-02-20 16:54:21 +03:00
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}
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2015-02-09 15:28:37 +03:00
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2015-02-20 16:54:21 +03:00
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void WaylandServer::initOutputs()
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{
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2015-04-24 13:00:19 +03:00
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if (m_backend && m_backend->handlesOutputs()) {
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return;
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}
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2015-02-20 16:54:21 +03:00
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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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2015-04-02 18:36:38 +03:00
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output->setPhysicalSize(s->size(i) / 3.8);
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2015-02-20 16:54:21 +03:00
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output->addMode(s->size(i));
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output->create();
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}
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2015-02-09 15:28:37 +03:00
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}
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2015-02-25 16:15:32 +03:00
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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_xwaylandConnection = m_display->createClient(sx[0]);
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2015-04-21 10:21:49 +03:00
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connect(m_xwaylandConnection, &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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2015-02-25 16:15:32 +03:00
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return sx[1];
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}
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2015-06-13 05:06:12 +03:00
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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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2015-04-02 15:37:23 +03:00
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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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2015-08-17 10:42:12 +03:00
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m_internalConnection.client = new ConnectionThread();
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2015-04-02 15:37:23 +03:00
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m_internalConnection.client->setSocketFd(sx[1]);
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2015-08-17 10:42:12 +03:00
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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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2015-04-02 15:37:23 +03:00
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connect(m_internalConnection.client, &ConnectionThread::connected, this,
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[this] {
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2015-08-17 10:42:12 +03:00
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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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2015-04-02 15:37:23 +03:00
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registry->create(m_internalConnection.client);
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2015-08-14 10:28:46 +03:00
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m_internalConnection.registry = registry;
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2015-04-02 15:37:23 +03:00
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connect(registry, &Registry::shmAnnounced, this,
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2015-08-14 10:28:46 +03:00
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[this] (quint32 name, quint32 version) {
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2015-08-17 10:42:12 +03:00
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m_internalConnection.shm = m_internalConnection.registry->createShmPool(name, version, this);
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2015-04-02 15:37:23 +03:00
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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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2015-03-20 16:41:03 +03:00
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void WaylandServer::installBackend(AbstractBackend *backend)
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{
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Q_ASSERT(!m_backend);
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m_backend = backend;
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}
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void WaylandServer::uninstallBackend(AbstractBackend *backend)
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{
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Q_ASSERT(m_backend == backend);
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m_backend = nullptr;
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}
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2015-03-04 11:21:10 +03:00
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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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2015-05-21 11:35:03 +03:00
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m_internalClients.removeAll(c);
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2015-03-04 11:21:10 +03:00
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emit shellClientRemoved(c);
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}
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2015-05-18 12:33:00 +03:00
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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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2015-08-18 09:15:00 +03:00
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|
if (m_internalConnection.server) {
|
|
|
|
m_internalConnection.server->flush();
|
2015-05-18 12:33:00 +03:00
|
|
|
}
|
|
|
|
m_display->dispatchEvents(0);
|
|
|
|
}
|
|
|
|
|
2015-05-21 11:35:03 +03:00
|
|
|
static ShellClient *findClientInList(const QList<ShellClient*> &clients, quint32 id)
|
2015-05-18 15:51:40 +03:00
|
|
|
{
|
2015-05-21 11:35:03 +03:00
|
|
|
auto it = std::find_if(clients.begin(), clients.end(),
|
2015-05-18 15:51:40 +03:00
|
|
|
[id] (ShellClient *c) {
|
|
|
|
return c->windowId() == id;
|
|
|
|
}
|
|
|
|
);
|
2015-05-21 11:35:03 +03:00
|
|
|
if (it == clients.end()) {
|
2015-05-18 15:51:40 +03:00
|
|
|
return nullptr;
|
|
|
|
}
|
|
|
|
return *it;
|
|
|
|
}
|
|
|
|
|
2015-06-09 20:10:56 +03:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2015-05-21 11:35:03 +03:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2015-06-09 20:10:56 +03:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2015-08-17 15:56:15 +03:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2015-05-21 10:59:45 +03:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2015-02-09 15:28:37 +03:00
|
|
|
}
|