146 lines
4.2 KiB
C++
146 lines
4.2 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 "events.h"
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#include "../logind.h"
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#include <QDebug>
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#include <QSocketNotifier>
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#include <libinput.h>
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namespace KWin
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{
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namespace LibInput
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{
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Connection *Connection::s_self = nullptr;
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static Context *s_context = nullptr;
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Connection::Connection(QObject *parent) = delete;
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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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qWarning() << "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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qWarning() << "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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qWarning() << "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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s_self = new Connection(s_context, parent);
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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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{
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Q_ASSERT(m_input);
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}
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Connection::~Connection()
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{
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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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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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active ? m_input->resume() : m_input->suspend();
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}
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);
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}
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void Connection::handleEvent()
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{
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do {
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m_input->dispatch();
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QScopedPointer<Event> event(m_input->event());
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if (event.isNull()) {
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break;
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}
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switch (event->type()) {
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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());
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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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emit pointerAxisChanged(pe->axis(), pe->axisValue(), pe->time());
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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());
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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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emit pointerMotion(pe->delta(), pe->time());
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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());
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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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} while (true);
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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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}
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}
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