676 lines
23 KiB
C++
676 lines
23 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) 2014 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 "connection.h"
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#include "context.h"
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#include "device.h"
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#include "events.h"
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#ifndef KWIN_BUILD_TESTING
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#include "../screens.h"
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#endif
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#include "../logind.h"
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#include "../udev.h"
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#include "libinput_logging.h"
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#include <KConfigGroup>
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#include <QDBusMessage>
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#include <QDBusConnection>
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#include <QDBusPendingCall>
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#include <QMutexLocker>
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#include <QSocketNotifier>
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#include <QThread>
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#include <libinput.h>
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#include <cmath>
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namespace KWin
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{
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namespace LibInput
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{
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class ConnectionAdaptor : public QObject
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{
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Q_OBJECT
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Q_CLASSINFO("D-Bus Interface", "org.kde.KWin.InputDeviceManager")
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Q_PROPERTY(QStringList devicesSysNames READ devicesSysNames CONSTANT)
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private:
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Connection *m_con;
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public:
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ConnectionAdaptor(Connection *con)
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: m_con(con)
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{
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connect(con, &Connection::deviceAddedSysName, this, &ConnectionAdaptor::deviceAdded, Qt::QueuedConnection);
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connect(con, &Connection::deviceRemovedSysName, this, &ConnectionAdaptor::deviceRemoved, Qt::QueuedConnection);
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QDBusConnection::sessionBus().registerObject(QStringLiteral("/org/kde/KWin/InputDevice"),
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QStringLiteral("org.kde.KWin.InputDeviceManager"),
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this,
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QDBusConnection::ExportAllProperties | QDBusConnection::ExportAllSignals
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);
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}
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~ConnectionAdaptor() {
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QDBusConnection::sessionBus().unregisterObject(QStringLiteral("/org/kde/KWin/InputDeviceManager"));
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}
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QStringList devicesSysNames() {
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// TODO: is this allowed? directly calling function of object in another thread!?
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// otherwise use signal-slot mechanism
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return m_con->devicesSysNames();
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}
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Q_SIGNALS:
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void deviceAdded(QString sysName);
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void deviceRemoved(QString sysName);
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};
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Connection *Connection::s_self = nullptr;
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QPointer<QThread> Connection::s_thread;
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static ConnectionAdaptor *s_adaptor = nullptr;
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static Context *s_context = nullptr;
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static quint32 toLibinputLEDS(Xkb::LEDs leds)
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{
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quint32 libinputLeds = 0;
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if (leds.testFlag(Xkb::LED::NumLock)) {
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libinputLeds = libinputLeds | LIBINPUT_LED_NUM_LOCK;
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}
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if (leds.testFlag(Xkb::LED::CapsLock)) {
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libinputLeds = libinputLeds | LIBINPUT_LED_CAPS_LOCK;
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}
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if (leds.testFlag(Xkb::LED::ScrollLock)) {
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libinputLeds = libinputLeds | LIBINPUT_LED_SCROLL_LOCK;
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}
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return libinputLeds;
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}
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Connection::Connection(QObject *parent)
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: Connection(nullptr, parent)
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{
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// only here to fix build, using will crash, BUG 343529
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}
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void Connection::createThread()
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{
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if (s_thread) {
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return;
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}
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s_thread = new QThread();
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s_thread->setObjectName(QStringLiteral("libinput-connection"));
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s_thread->start();
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}
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Connection *Connection::create(QObject *parent)
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{
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Q_ASSERT(!s_self);
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static Udev s_udev;
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if (!s_udev.isValid()) {
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qCWarning(KWIN_LIBINPUT) << "Failed to initialize udev";
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return nullptr;
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}
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if (!s_context) {
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s_context = new Context(s_udev);
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if (!s_context->isValid()) {
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qCWarning(KWIN_LIBINPUT) << "Failed to create context from udev";
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delete s_context;
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s_context = nullptr;
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return nullptr;
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}
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// TODO: don't hardcode seat name
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if (!s_context->assignSeat("seat0")) {
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qCWarning(KWIN_LIBINPUT) << "Failed to assign seat seat0";
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delete s_context;
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s_context = nullptr;
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return nullptr;
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}
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}
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Connection::createThread();
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s_self = new Connection(s_context);
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s_self->moveToThread(s_thread);
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QObject::connect(s_thread, &QThread::finished, s_self, &QObject::deleteLater);
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QObject::connect(s_thread, &QThread::finished, s_thread, &QObject::deleteLater);
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QObject::connect(parent, &QObject::destroyed, s_thread, &QThread::quit);
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if (!s_adaptor) {
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s_adaptor = new ConnectionAdaptor(s_self);
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}
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return s_self;
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}
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Connection::Connection(Context *input, QObject *parent)
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: QObject(parent)
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, m_input(input)
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, m_notifier(nullptr)
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, m_mutex(QMutex::Recursive)
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, m_leds()
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{
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Q_ASSERT(m_input);
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// need to connect to KGlobalSettings as the mouse KCM does not emit a dedicated signal
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QDBusConnection::sessionBus().connect(QString(), QStringLiteral("/KGlobalSettings"), QStringLiteral("org.kde.KGlobalSettings"),
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QStringLiteral("notifyChange"), this, SLOT(slotKGlobalSettingsNotifyChange(int,int)));
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}
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Connection::~Connection()
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{
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delete s_adaptor;
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s_adaptor = nullptr;
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s_self = nullptr;
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delete s_context;
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s_context = nullptr;
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}
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void Connection::setup()
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{
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QMetaObject::invokeMethod(this, "doSetup", Qt::QueuedConnection);
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}
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void Connection::doSetup()
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{
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connect(s_self, &Connection::deviceAdded, s_self, [](Device* device) {
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emit s_self->deviceAddedSysName(device->sysName());
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});
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connect(s_self, &Connection::deviceRemoved, s_self, [](Device* device) {
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emit s_self->deviceRemovedSysName(device->sysName());
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});
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Q_ASSERT(!m_notifier);
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m_notifier = new QSocketNotifier(m_input->fileDescriptor(), QSocketNotifier::Read, this);
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connect(m_notifier, &QSocketNotifier::activated, this, &Connection::handleEvent);
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LogindIntegration *logind = LogindIntegration::self();
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connect(logind, &LogindIntegration::sessionActiveChanged, this,
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[this](bool active) {
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if (active) {
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if (!m_input->isSuspended()) {
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return;
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}
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m_input->resume();
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wasSuspended = true;
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} else {
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deactivate();
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}
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}
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);
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handleEvent();
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}
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void Connection::deactivate()
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{
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if (m_input->isSuspended()) {
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return;
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}
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m_keyboardBeforeSuspend = hasKeyboard();
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m_alphaNumericKeyboardBeforeSuspend = hasAlphaNumericKeyboard();
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m_pointerBeforeSuspend = hasPointer();
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m_touchBeforeSuspend = hasTouch();
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m_input->suspend();
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handleEvent();
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}
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void Connection::handleEvent()
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{
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QMutexLocker locker(&m_mutex);
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const bool wasEmpty = m_eventQueue.isEmpty();
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do {
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m_input->dispatch();
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Event *event = m_input->event();
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if (!event) {
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break;
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}
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m_eventQueue << event;
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} while (true);
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if (wasEmpty && !m_eventQueue.isEmpty()) {
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emit eventsRead();
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}
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}
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void Connection::processEvents()
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{
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QMutexLocker locker(&m_mutex);
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while (!m_eventQueue.isEmpty()) {
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QScopedPointer<Event> event(m_eventQueue.takeFirst());
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switch (event->type()) {
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case LIBINPUT_EVENT_DEVICE_ADDED: {
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auto device = new Device(event->nativeDevice());
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device->moveToThread(s_thread);
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m_devices << device;
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if (device->isKeyboard()) {
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m_keyboard++;
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if (device->isAlphaNumericKeyboard()) {
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m_alphaNumericKeyboard++;
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if (m_alphaNumericKeyboard == 1) {
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emit hasAlphaNumericKeyboardChanged(true);
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}
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}
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if (m_keyboard == 1) {
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emit hasKeyboardChanged(true);
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}
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}
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if (device->isPointer()) {
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m_pointer++;
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if (m_pointer == 1) {
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emit hasPointerChanged(true);
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}
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}
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if (device->isTouch()) {
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m_touch++;
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if (m_touch == 1) {
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emit hasTouchChanged(true);
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}
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}
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applyDeviceConfig(device);
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applyScreenToDevice(device);
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// enable possible leds
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libinput_device_led_update(device->device(), static_cast<libinput_led>(toLibinputLEDS(m_leds)));
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emit deviceAdded(device);
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break;
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}
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case LIBINPUT_EVENT_DEVICE_REMOVED: {
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auto it = std::find_if(m_devices.begin(), m_devices.end(), [&event] (Device *d) { return event->device() == d; } );
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if (it == m_devices.end()) {
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// we don't know this device
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break;
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}
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auto device = *it;
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m_devices.erase(it);
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emit deviceRemoved(device);
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if (device->isKeyboard()) {
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m_keyboard--;
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if (device->isAlphaNumericKeyboard()) {
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m_alphaNumericKeyboard--;
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if (m_alphaNumericKeyboard == 0) {
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emit hasAlphaNumericKeyboardChanged(false);
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}
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}
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if (m_keyboard == 0) {
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emit hasKeyboardChanged(false);
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}
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}
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if (device->isPointer()) {
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m_pointer--;
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if (m_pointer == 0) {
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emit hasPointerChanged(false);
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}
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}
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if (device->isTouch()) {
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m_touch--;
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if (m_touch == 0) {
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emit hasTouchChanged(false);
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}
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}
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device->deleteLater();
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break;
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}
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case LIBINPUT_EVENT_KEYBOARD_KEY: {
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KeyEvent *ke = static_cast<KeyEvent*>(event.data());
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emit keyChanged(ke->key(), ke->state(), ke->time(), ke->device());
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break;
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}
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case LIBINPUT_EVENT_POINTER_AXIS: {
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PointerEvent *pe = static_cast<PointerEvent*>(event.data());
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struct Axis {
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qreal delta = 0.0;
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quint32 time = 0;
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};
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QMap<InputRedirection::PointerAxis, Axis> deltas;
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auto update = [&deltas] (PointerEvent *pe) {
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const auto axis = pe->axis();
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for (auto it = axis.begin(); it != axis.end(); ++it) {
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deltas[*it].delta += pe->axisValue(*it);
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deltas[*it].time = pe->time();
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}
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};
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update(pe);
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auto it = m_eventQueue.begin();
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while (it != m_eventQueue.end()) {
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if ((*it)->type() == LIBINPUT_EVENT_POINTER_AXIS) {
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QScopedPointer<PointerEvent> p(static_cast<PointerEvent*>(*it));
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update(p.data());
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it = m_eventQueue.erase(it);
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} else {
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break;
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}
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}
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for (auto it = deltas.constBegin(); it != deltas.constEnd(); ++it) {
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emit pointerAxisChanged(it.key(), it.value().delta, it.value().time, pe->device());
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}
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break;
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}
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case LIBINPUT_EVENT_POINTER_BUTTON: {
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PointerEvent *pe = static_cast<PointerEvent*>(event.data());
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emit pointerButtonChanged(pe->button(), pe->buttonState(), pe->time(), pe->device());
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break;
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}
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case LIBINPUT_EVENT_POINTER_MOTION: {
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PointerEvent *pe = static_cast<PointerEvent*>(event.data());
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auto delta = pe->delta();
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auto deltaNonAccel = pe->deltaUnaccelerated();
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quint32 latestTime = pe->time();
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quint64 latestTimeUsec = pe->timeMicroseconds();
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auto it = m_eventQueue.begin();
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while (it != m_eventQueue.end()) {
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if ((*it)->type() == LIBINPUT_EVENT_POINTER_MOTION) {
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QScopedPointer<PointerEvent> p(static_cast<PointerEvent*>(*it));
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delta += p->delta();
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deltaNonAccel += p->deltaUnaccelerated();
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latestTime = p->time();
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latestTimeUsec = p->timeMicroseconds();
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it = m_eventQueue.erase(it);
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} else {
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break;
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}
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}
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emit pointerMotion(delta, deltaNonAccel, latestTime, latestTimeUsec, pe->device());
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break;
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}
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case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE: {
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PointerEvent *pe = static_cast<PointerEvent*>(event.data());
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emit pointerMotionAbsolute(pe->absolutePos(), pe->absolutePos(m_size), pe->time(), pe->device());
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break;
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}
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case LIBINPUT_EVENT_TOUCH_DOWN: {
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#ifndef KWIN_BUILD_TESTING
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TouchEvent *te = static_cast<TouchEvent*>(event.data());
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const auto &geo = screens()->geometry(te->device()->screenId());
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emit touchDown(te->id(), geo.topLeft() + te->absolutePos(geo.size()), te->time(), te->device());
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break;
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#endif
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}
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case LIBINPUT_EVENT_TOUCH_UP: {
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TouchEvent *te = static_cast<TouchEvent*>(event.data());
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emit touchUp(te->id(), te->time(), te->device());
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break;
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}
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case LIBINPUT_EVENT_TOUCH_MOTION: {
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#ifndef KWIN_BUILD_TESTING
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TouchEvent *te = static_cast<TouchEvent*>(event.data());
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const auto &geo = screens()->geometry(te->device()->screenId());
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emit touchMotion(te->id(), geo.topLeft() + te->absolutePos(geo.size()), te->time(), te->device());
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break;
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#endif
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}
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case LIBINPUT_EVENT_TOUCH_CANCEL: {
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emit touchCanceled(event->device());
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break;
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}
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case LIBINPUT_EVENT_TOUCH_FRAME: {
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emit touchFrame(event->device());
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break;
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}
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case LIBINPUT_EVENT_GESTURE_PINCH_BEGIN: {
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PinchGestureEvent *pe = static_cast<PinchGestureEvent*>(event.data());
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emit pinchGestureBegin(pe->fingerCount(), pe->time(), pe->device());
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break;
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}
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case LIBINPUT_EVENT_GESTURE_PINCH_UPDATE: {
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PinchGestureEvent *pe = static_cast<PinchGestureEvent*>(event.data());
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emit pinchGestureUpdate(pe->scale(), pe->angleDelta(), pe->delta(), pe->time(), pe->device());
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break;
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}
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case LIBINPUT_EVENT_GESTURE_PINCH_END: {
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PinchGestureEvent *pe = static_cast<PinchGestureEvent*>(event.data());
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if (pe->isCancelled()) {
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emit pinchGestureCancelled(pe->time(), pe->device());
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} else {
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emit pinchGestureEnd(pe->time(), pe->device());
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}
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break;
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}
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case LIBINPUT_EVENT_GESTURE_SWIPE_BEGIN: {
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SwipeGestureEvent *se = static_cast<SwipeGestureEvent*>(event.data());
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emit swipeGestureBegin(se->fingerCount(), se->time(), se->device());
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break;
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}
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case LIBINPUT_EVENT_GESTURE_SWIPE_UPDATE: {
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SwipeGestureEvent *se = static_cast<SwipeGestureEvent*>(event.data());
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emit swipeGestureUpdate(se->delta(), se->time(), se->device());
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break;
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}
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case LIBINPUT_EVENT_GESTURE_SWIPE_END: {
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SwipeGestureEvent *se = static_cast<SwipeGestureEvent*>(event.data());
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if (se->isCancelled()) {
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emit swipeGestureCancelled(se->time(), se->device());
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} else {
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emit swipeGestureEnd(se->time(), se->device());
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}
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break;
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}
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default:
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// nothing
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break;
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}
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}
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if (wasSuspended) {
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if (m_keyboardBeforeSuspend && !m_keyboard) {
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emit hasKeyboardChanged(false);
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}
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if (m_alphaNumericKeyboardBeforeSuspend && !m_alphaNumericKeyboard) {
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emit hasAlphaNumericKeyboardChanged(false);
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}
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if (m_pointerBeforeSuspend && !m_pointer) {
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emit hasPointerChanged(false);
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}
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if (m_touchBeforeSuspend && !m_touch) {
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emit hasTouchChanged(false);
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}
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wasSuspended = false;
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}
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}
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void Connection::setScreenSize(const QSize &size)
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{
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m_size = size;
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}
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void Connection::updateScreens()
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{
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QMutexLocker locker(&m_mutex);
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for (auto device: qAsConst(m_devices)) {
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applyScreenToDevice(device);
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}
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}
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void Connection::applyScreenToDevice(Device *device)
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{
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#ifndef KWIN_BUILD_TESTING
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QMutexLocker locker(&m_mutex);
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if (!device->isTouch()) {
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return;
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}
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int id = -1;
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// let's try to find a screen for it
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if (screens()->count() == 1) {
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id = 0;
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}
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if (id == -1 && !device->outputName().isEmpty()) {
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// we have an output name, try to find a screen with matching name
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for (int i = 0; i < screens()->count(); i++) {
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if (screens()->name(i) == device->outputName()) {
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id = i;
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break;
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}
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}
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}
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if (id == -1) {
|
|
// do we have an internal screen?
|
|
int internalId = -1;
|
|
for (int i = 0; i < screens()->count(); i++) {
|
|
if (screens()->isInternal(i)) {
|
|
internalId = i;
|
|
break;
|
|
}
|
|
}
|
|
auto testScreenMatches = [device] (int id) {
|
|
const auto &size = device->size();
|
|
const auto &screenSize = screens()->physicalSize(id);
|
|
return std::round(size.width()) == std::round(screenSize.width())
|
|
&& std::round(size.height()) == std::round(screenSize.height());
|
|
};
|
|
if (internalId != -1 && testScreenMatches(internalId)) {
|
|
id = internalId;
|
|
}
|
|
// let's compare all screens for size
|
|
for (int i = 0; i < screens()->count(); i++) {
|
|
if (testScreenMatches(i)) {
|
|
id = i;
|
|
break;
|
|
}
|
|
}
|
|
if (id == -1) {
|
|
// still not found
|
|
if (internalId != -1) {
|
|
// we have an internal id, so let's use that
|
|
id = internalId;
|
|
} else {
|
|
// just take first screen, we have no clue
|
|
id = 0;
|
|
}
|
|
}
|
|
}
|
|
device->setScreenId(id);
|
|
device->setOrientation(screens()->orientation(id));
|
|
#else
|
|
Q_UNUSED(device)
|
|
#endif
|
|
}
|
|
|
|
bool Connection::isSuspended() const
|
|
{
|
|
if (!s_context) {
|
|
return false;
|
|
}
|
|
return s_context->isSuspended();
|
|
}
|
|
|
|
void Connection::applyDeviceConfig(Device *device)
|
|
{
|
|
// pass configuration to Device
|
|
device->setConfig(m_config->group("Libinput").group(QString::number(device->vendor())).group(QString::number(device->product())).group(device->name()));
|
|
device->loadConfiguration();
|
|
|
|
if (device->isPointer() && !device->isTouchpad()) {
|
|
const KConfigGroup group = m_config->group("Mouse");
|
|
device->setLeftHanded(group.readEntry("MouseButtonMapping", "RightHanded") == QLatin1String("LeftHanded"));
|
|
qreal accel = group.readEntry("Acceleration", -1.0);
|
|
if (qFuzzyCompare(accel, -1.0) || qFuzzyCompare(accel, 1.0)) {
|
|
// default value
|
|
device->setPointerAcceleration(0.0);
|
|
} else {
|
|
// the X11-based config is mapped in [0.1,20.0] with 1.0 being the "normal" setting - we assume that's the default
|
|
if (accel < 1.0) {
|
|
device->setPointerAcceleration(-1.0 + ((accel * 10.0) - 1.0) / 9.0);
|
|
} else {
|
|
device->setPointerAcceleration((accel -1.0)/19.0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void Connection::slotKGlobalSettingsNotifyChange(int type, int arg)
|
|
{
|
|
if (type == 3 /**SettingsChanged**/ && arg == 0 /** SETTINGS_MOUSE **/) {
|
|
m_config->reparseConfiguration();
|
|
for (auto it = m_devices.constBegin(), end = m_devices.constEnd(); it != end; ++it) {
|
|
if ((*it)->isPointer()) {
|
|
applyDeviceConfig(*it);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void Connection::toggleTouchpads()
|
|
{
|
|
bool changed = false;
|
|
m_touchpadsEnabled = !m_touchpadsEnabled;
|
|
for (auto it = m_devices.constBegin(); it != m_devices.constEnd(); ++it) {
|
|
auto device = *it;
|
|
if (!device->isTouchpad()) {
|
|
continue;
|
|
}
|
|
const bool old = device->isEnabled();
|
|
device->setEnabled(m_touchpadsEnabled);
|
|
if (old != device->isEnabled()) {
|
|
changed = true;
|
|
}
|
|
}
|
|
if (changed) {
|
|
// send OSD message
|
|
QDBusMessage msg = QDBusMessage::createMethodCall(
|
|
QStringLiteral("org.kde.plasmashell"),
|
|
QStringLiteral("/org/kde/osdService"),
|
|
QStringLiteral("org.kde.osdService"),
|
|
QStringLiteral("touchpadEnabledChanged")
|
|
);
|
|
msg.setArguments({m_touchpadsEnabled});
|
|
QDBusConnection::sessionBus().asyncCall(msg);
|
|
}
|
|
}
|
|
|
|
void Connection::enableTouchpads()
|
|
{
|
|
if (m_touchpadsEnabled) {
|
|
return;
|
|
}
|
|
toggleTouchpads();
|
|
}
|
|
|
|
void Connection::disableTouchpads()
|
|
{
|
|
if (!m_touchpadsEnabled) {
|
|
return;
|
|
}
|
|
toggleTouchpads();
|
|
}
|
|
|
|
void Connection::updateLEDs(Xkb::LEDs leds)
|
|
{
|
|
if (m_leds == leds) {
|
|
return;
|
|
}
|
|
m_leds = leds;
|
|
// update on devices
|
|
const libinput_led l = static_cast<libinput_led>(toLibinputLEDS(leds));
|
|
for (auto it = m_devices.constBegin(), end = m_devices.constEnd(); it != end; ++it) {
|
|
libinput_device_led_update((*it)->device(), l);
|
|
}
|
|
}
|
|
|
|
QStringList Connection::devicesSysNames() const {
|
|
QStringList sl;
|
|
foreach (Device *d, m_devices) {
|
|
sl.append(d->sysName());
|
|
}
|
|
return sl;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
#include "connection.moc"
|