kdeconnect-kde/plugins/mousepad/waylandremoteinput.cpp
2024-03-02 00:03:13 +01:00

291 lines
13 KiB
C++

/**
* SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
* SPDX-FileCopyrightText: 2020 Aleix Pol Gonzalez <aleixpol@kde.org>
*
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#include "waylandremoteinput.h"
#include <QDebug>
#include <QSizeF>
#include <KConfigGroup>
#include <KLocalizedString>
#include <KSharedConfig>
#include <QDBusPendingCallWatcher>
#include <linux/input.h>
#include <xkbcommon/xkbcommon.h>
namespace
{
// Translation table to keep in sync within all the implementations
int SpecialKeysMap[] = {
0, // Invalid
KEY_BACKSPACE, // 1
KEY_TAB, // 2
KEY_LINEFEED, // 3
KEY_LEFT, // 4
KEY_UP, // 5
KEY_RIGHT, // 6
KEY_DOWN, // 7
KEY_PAGEUP, // 8
KEY_PAGEDOWN, // 9
KEY_HOME, // 10
KEY_END, // 11
KEY_ENTER, // 12
KEY_DELETE, // 13
KEY_ESC, // 14
KEY_SYSRQ, // 15
KEY_SCROLLLOCK, // 16
0, // 17
0, // 18
0, // 19
0, // 20
KEY_F1, // 21
KEY_F2, // 22
KEY_F3, // 23
KEY_F4, // 24
KEY_F5, // 25
KEY_F6, // 26
KEY_F7, // 27
KEY_F8, // 28
KEY_F9, // 29
KEY_F10, // 30
KEY_F11, // 31
KEY_F12, // 32
};
}
Q_GLOBAL_STATIC(RemoteDesktopSession, s_session);
RemoteDesktopSession::RemoteDesktopSession()
: iface(new OrgFreedesktopPortalRemoteDesktopInterface(QLatin1String("org.freedesktop.portal.Desktop"),
QLatin1String("/org/freedesktop/portal/desktop"),
QDBusConnection::sessionBus(),
this))
{
}
void RemoteDesktopSession::createSession()
{
if (isValid()) {
qCDebug(KDECONNECT_PLUGIN_MOUSEPAD) << "pass, already created";
return;
}
m_connecting = true;
// create session
const auto handleToken = QStringLiteral("kdeconnect%1").arg(QRandomGenerator::global()->generate());
const auto sessionParameters = QVariantMap{{QLatin1String("session_handle_token"), handleToken}, {QLatin1String("handle_token"), handleToken}};
auto sessionReply = iface->CreateSession(sessionParameters);
QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(sessionReply);
connect(watcher, &QDBusPendingCallWatcher::finished, this, [this, sessionReply](QDBusPendingCallWatcher *self) {
self->deleteLater();
if (sessionReply.isError()) {
qCWarning(KDECONNECT_PLUGIN_MOUSEPAD) << "Could not create the remote control session" << sessionReply.error();
m_connecting = false;
return;
}
bool b = QDBusConnection::sessionBus().connect(QString(),
sessionReply.value().path(),
QLatin1String("org.freedesktop.portal.Request"),
QLatin1String("Response"),
this,
SLOT(handleXdpSessionCreated(uint, QVariantMap)));
Q_ASSERT(b);
qCDebug(KDECONNECT_PLUGIN_MOUSEPAD) << "authenticating" << sessionReply.value().path();
});
}
void RemoteDesktopSession::handleXdpSessionCreated(uint code, const QVariantMap &results)
{
if (code != 0) {
qCWarning(KDECONNECT_PLUGIN_MOUSEPAD) << "Failed to create session with code" << code << results;
return;
}
m_connecting = false;
m_xdpPath = QDBusObjectPath(results.value(QLatin1String("session_handle")).toString());
QVariantMap startParameters = {
{QLatin1String("handle_token"), QStringLiteral("kdeconnect%1").arg(QRandomGenerator::global()->generate())},
{QStringLiteral("types"), QVariant::fromValue<uint>(7)}, // request all (KeyBoard, Pointer, TouchScreen)
{QLatin1String("persist_mode"), QVariant::fromValue<uint>(2)}, // Persist permission until explicitly revoked by user
};
KConfigGroup stateConfig = KSharedConfig::openStateConfig()->group(QStringLiteral("mousepad"));
QString restoreToken = stateConfig.readEntry(QStringLiteral("RestoreToken"), QString());
if (restoreToken.length() > 0) {
startParameters[QLatin1String("restore_token")] = restoreToken;
}
QDBusConnection::sessionBus().connect(QString(),
m_xdpPath.path(),
QLatin1String("org.freedesktop.portal.Session"),
QLatin1String("Closed"),
this,
SLOT(handleXdpSessionFinished(uint, QVariantMap)));
auto reply = iface->SelectDevices(m_xdpPath, startParameters);
QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(reply);
connect(watcher, &QDBusPendingCallWatcher::finished, this, [this, reply](QDBusPendingCallWatcher *self) {
self->deleteLater();
if (reply.isError()) {
qCWarning(KDECONNECT_PLUGIN_MOUSEPAD) << "Could not start the remote control session" << reply.error();
m_connecting = false;
return;
}
bool b = QDBusConnection::sessionBus().connect(QString(),
reply.value().path(),
QLatin1String("org.freedesktop.portal.Request"),
QLatin1String("Response"),
this,
SLOT(handleXdpSessionConfigured(uint, QVariantMap)));
Q_ASSERT(b);
qCDebug(KDECONNECT_PLUGIN_MOUSEPAD) << "configuring" << reply.value().path();
});
}
void RemoteDesktopSession::handleXdpSessionConfigured(uint code, const QVariantMap &results)
{
if (code != 0) {
qCWarning(KDECONNECT_PLUGIN_MOUSEPAD) << "Failed to configure session with code" << code << results;
m_connecting = false;
return;
}
const QVariantMap startParameters = {
{QLatin1String("handle_token"), QStringLiteral("kdeconnect%1").arg(QRandomGenerator::global()->generate())},
};
auto reply = iface->Start(m_xdpPath, {}, startParameters);
QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(reply);
connect(watcher, &QDBusPendingCallWatcher::finished, this, [this, reply](QDBusPendingCallWatcher *self) {
self->deleteLater();
if (reply.isError()) {
qCWarning(KDECONNECT_PLUGIN_MOUSEPAD) << "Could not start the remote control session" << reply.error();
m_connecting = false;
return;
}
bool b = QDBusConnection::sessionBus().connect(QString(),
reply.value().path(),
QLatin1String("org.freedesktop.portal.Request"),
QLatin1String("Response"),
this,
SLOT(handleXdpSessionStarted(uint, QVariantMap)));
Q_ASSERT(b);
qCDebug(KDECONNECT_PLUGIN_MOUSEPAD) << "starting" << reply.value().path();
});
}
void RemoteDesktopSession::handleXdpSessionStarted(uint code, const QVariantMap &results)
{
Q_UNUSED(code);
KConfigGroup stateConfig = KSharedConfig::openStateConfig()->group(QStringLiteral("mousepad"));
stateConfig.writeEntry(QStringLiteral("RestoreToken"), results[QStringLiteral("restore_token")].toString());
}
void RemoteDesktopSession::handleXdpSessionFinished(uint /*code*/, const QVariantMap & /*results*/)
{
m_xdpPath = {};
}
WaylandRemoteInput::WaylandRemoteInput(QObject *parent)
: AbstractRemoteInput(parent)
{
}
bool WaylandRemoteInput::handlePacket(const NetworkPacket &np)
{
if (!s_session->isValid()) {
qCWarning(KDECONNECT_PLUGIN_MOUSEPAD) << "Unable to handle remote input. RemoteDesktop portal not authenticated";
s_session->createSession();
return false;
}
const float dx = np.get<float>(QStringLiteral("dx"), 0);
const float dy = np.get<float>(QStringLiteral("dy"), 0);
const bool isSingleClick = np.get<bool>(QStringLiteral("singleclick"), false);
const bool isDoubleClick = np.get<bool>(QStringLiteral("doubleclick"), false);
const bool isMiddleClick = np.get<bool>(QStringLiteral("middleclick"), false);
const bool isRightClick = np.get<bool>(QStringLiteral("rightclick"), false);
const bool isSingleHold = np.get<bool>(QStringLiteral("singlehold"), false);
const bool isSingleRelease = np.get<bool>(QStringLiteral("singlerelease"), false);
const bool isScroll = np.get<bool>(QStringLiteral("scroll"), false);
const QString key = np.get<QString>(QStringLiteral("key"), QLatin1String(""));
const int specialKey = np.get<int>(QStringLiteral("specialKey"), 0);
if (isSingleClick || isDoubleClick || isMiddleClick || isRightClick || isSingleHold || isSingleRelease || isScroll || !key.isEmpty() || specialKey) {
if (isSingleClick) {
s_session->iface->NotifyPointerButton(s_session->m_xdpPath, {}, BTN_LEFT, 1);
s_session->iface->NotifyPointerButton(s_session->m_xdpPath, {}, BTN_LEFT, 0);
} else if (isDoubleClick) {
s_session->iface->NotifyPointerButton(s_session->m_xdpPath, {}, BTN_LEFT, 1);
s_session->iface->NotifyPointerButton(s_session->m_xdpPath, {}, BTN_LEFT, 0);
s_session->iface->NotifyPointerButton(s_session->m_xdpPath, {}, BTN_LEFT, 1);
s_session->iface->NotifyPointerButton(s_session->m_xdpPath, {}, BTN_LEFT, 0);
} else if (isMiddleClick) {
s_session->iface->NotifyPointerButton(s_session->m_xdpPath, {}, BTN_MIDDLE, 1);
s_session->iface->NotifyPointerButton(s_session->m_xdpPath, {}, BTN_MIDDLE, 0);
} else if (isRightClick) {
s_session->iface->NotifyPointerButton(s_session->m_xdpPath, {}, BTN_RIGHT, 1);
s_session->iface->NotifyPointerButton(s_session->m_xdpPath, {}, BTN_RIGHT, 0);
} else if (isSingleHold) {
// For drag'n drop
s_session->iface->NotifyPointerButton(s_session->m_xdpPath, {}, BTN_LEFT, 1);
} else if (isSingleRelease) {
s_session->iface->NotifyPointerButton(s_session->m_xdpPath, {}, BTN_LEFT, 0);
} else if (isScroll) {
s_session->iface->NotifyPointerAxis(s_session->m_xdpPath, {}, dx, dy);
} else if (specialKey || !key.isEmpty()) {
bool ctrl = np.get<bool>(QStringLiteral("ctrl"), false);
bool alt = np.get<bool>(QStringLiteral("alt"), false);
bool shift = np.get<bool>(QStringLiteral("shift"), false);
bool super = np.get<bool>(QStringLiteral("super"), false);
if (ctrl)
s_session->iface->NotifyKeyboardKeycode(s_session->m_xdpPath, {}, KEY_LEFTCTRL, 1);
if (alt)
s_session->iface->NotifyKeyboardKeycode(s_session->m_xdpPath, {}, KEY_LEFTALT, 1);
if (shift)
s_session->iface->NotifyKeyboardKeycode(s_session->m_xdpPath, {}, KEY_LEFTSHIFT, 1);
if (super)
s_session->iface->NotifyKeyboardKeycode(s_session->m_xdpPath, {}, KEY_LEFTMETA, 1);
if (specialKey) {
s_session->iface->NotifyKeyboardKeycode(s_session->m_xdpPath, {}, SpecialKeysMap[specialKey], 1);
s_session->iface->NotifyKeyboardKeycode(s_session->m_xdpPath, {}, SpecialKeysMap[specialKey], 0);
} else if (!key.isEmpty()) {
for (const QChar character : key) {
const auto keysym = xkb_utf32_to_keysym(character.toLower().unicode());
if (keysym != XKB_KEY_NoSymbol) {
s_session->iface->NotifyKeyboardKeysym(s_session->m_xdpPath, {}, keysym, 1).waitForFinished();
s_session->iface->NotifyKeyboardKeysym(s_session->m_xdpPath, {}, keysym, 0).waitForFinished();
} else {
qCDebug(KDECONNECT_PLUGIN_MOUSEPAD) << "Cannot send character" << character;
}
}
}
if (ctrl)
s_session->iface->NotifyKeyboardKeycode(s_session->m_xdpPath, {}, KEY_LEFTCTRL, 0);
if (alt)
s_session->iface->NotifyKeyboardKeycode(s_session->m_xdpPath, {}, KEY_LEFTALT, 0);
if (shift)
s_session->iface->NotifyKeyboardKeycode(s_session->m_xdpPath, {}, KEY_LEFTSHIFT, 0);
if (super)
s_session->iface->NotifyKeyboardKeycode(s_session->m_xdpPath, {}, KEY_LEFTMETA, 0);
}
} else { // Is a mouse move event
s_session->iface->NotifyPointerMotion(s_session->m_xdpPath, {}, dx, dy);
}
return true;
}
#include "moc_waylandremoteinput.cpp"