Differential D11468 Diff 31037 kcms/input/backends/kwin_wl/kwin_wl_backend.cpp

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kcms/input/backends/kwin_wl/kwin_wl_backend.cpp

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1​/*
2​ * Copyright 2018 Roman Gilg <subdiff@gmail.com>
3​ *
4​ * This program is free software; you can redistribute it and/or modify
5​ * it under the terms of the GNU General Public License as published by
6​ * the Free Software Foundation; either version 2 of the License, or
7​ * (at your option) any later version.
8​ *
9​ * This program is distributed in the hope that it will be useful,
10​ * but WITHOUT ANY WARRANTY; without even the implied warranty of
11​ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12​ * GNU General Public License for more details.
13​ *
14​ * You should have received a copy of the GNU General Public License
15​ * along with this program; if not, write to the Free Software
16​ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17​ */
18​
19​#include "kwin_wl_backend.h"
20​#include "kwin_wl_device.h"
21​
22​#include <algorithm>
23​
24​#include <KLocalizedString>
25​
26​#include <QDBusMessage>
27​#include <QDBusInterface>
28​#include <QDBusReply>
29​#include <QStringList>
30​
31​#include "logging.h"
32​
33​KWinWaylandBackend::KWinWaylandBackend(QObject *parent) :
34​ InputBackend(parent)
35​{
36​ m_mode = InputBackendMode::KWinWayland;
37​
38​ m_deviceManager = new QDBusInterface (QStringLiteral("org.kde.KWin"),
39​ QStringLiteral("/org/kde/KWin/InputDevice"),
40​ QStringLiteral("org.kde.KWin.InputDeviceManager"),
41​ QDBusConnection::sessionBus(),
42​ this);
43​
44​ findDevices();
45​
46​ m_deviceManager->connection().connect(QStringLiteral("org.kde.KWin"),
47​ QStringLiteral("/org/kde/KWin/InputDevice"),
48​ QStringLiteral("org.kde.KWin.InputDeviceManager"),
49​ QStringLiteral("deviceAdded"),
50​ this,
51​ SLOT(onDeviceAdded(QString)));
52​ m_deviceManager->connection().connect(QStringLiteral("org.kde.KWin"),
53​ QStringLiteral("/org/kde/KWin/InputDevice"),
54​ QStringLiteral("org.kde.KWin.InputDeviceManager"),
55​ QStringLiteral("deviceRemoved"),
56​ this,
57​ SLOT(onDeviceRemoved(QString)));
58​}
59​
60​KWinWaylandBackend::~KWinWaylandBackend()
61​{
62​ qDeleteAll(m_devices);
63​ delete m_deviceManager;
64​}
65​
66​void KWinWaylandBackend::findDevices()
67​{
68​ QStringList devicesSysNames;
69​ const QVariant reply = m_deviceManager->property("devicesSysNames");
70​ if (reply.isValid()) {
71​ qCDebug(KCM_INPUT) << "Devices list received successfully from KWin.";
72​ devicesSysNames = reply.toStringList();
73​ }
74​ else {
75​ qCCritical(KCM_INPUT) << "Error on receiving device list from KWin.";
76​ m_errorString = i18n("Querying input devices failed. Please reopen this settings module.");
77​ return;
78​ }
79​
80​ for (QString sn : devicesSysNames) {
81​ QDBusInterface deviceIface(QStringLiteral("org.kde.KWin"),
82​ QStringLiteral("/org/kde/KWin/InputDevice/") + sn,
83​ QStringLiteral("org.kde.KWin.InputDevice"),
84​ QDBusConnection::sessionBus(),
85​ this);
86​ QVariant reply = deviceIface.property("pointer");
87​ if (reply.isValid() && reply.toBool()) {
88​ reply = deviceIface.property("touchpad");
89​ if (reply.isValid() && reply.toBool()) {
90​ continue;
91​ }
92​
93​ KWinWaylandDevice* dev = new KWinWaylandDevice(sn);
94​ if (!dev->init()) {
95​ qCCritical(KCM_INPUT) << "Error on creating device object" << sn;
96​ m_errorString = i18n("Critical error on reading fundamental device infos of %1.", sn);
97​ return;
98​ }
99​ m_devices.append(dev);
100​ qCDebug(KCM_INPUT).nospace() << "Device found: " << dev->name() << " (" << dev->sysName() << ")";
101​ }
102​ }
103​}
104​
105​bool KWinWaylandBackend::applyConfig()
106​{
107​ return std::all_of(m_devices.constBegin(), m_devices.constEnd(),
108​ [] (QObject *t) { return static_cast<KWinWaylandDevice*>(t)->applyConfig(); });
109​}
110​
111​bool KWinWaylandBackend::getConfig()
112​{
113​ return std::all_of(m_devices.constBegin(), m_devices.constEnd(),
114​ [] (QObject *t) { return static_cast<KWinWaylandDevice*>(t)->getConfig(); });
115​}
116​
117​bool KWinWaylandBackend::getDefaultConfig()
118​{
119​ return std::all_of(m_devices.constBegin(), m_devices.constEnd(),
120​ [] (QObject *t) { return static_cast<KWinWaylandDevice*>(t)->getDefaultConfig(); });
121​}
122​
123​bool KWinWaylandBackend::isChangedConfig() const
124​{
125​ return std::any_of(m_devices.constBegin(), m_devices.constEnd(),
126​ [] (QObject *t) { return static_cast<KWinWaylandDevice*>(t)->isChangedConfig(); });
127​}
128​
129​void KWinWaylandBackend::onDeviceAdded(QString sysName)
130​{
131​ if (std::any_of(m_devices.constBegin(), m_devices.constEnd(),
132​ [sysName] (QObject *t) { return static_cast<KWinWaylandDevice*>(t)->sysName() == sysName; })) {
133​ return;
134​ }
135​
136​ QDBusInterface deviceIface(QStringLiteral("org.kde.KWin"),
137​ QStringLiteral("/org/kde/KWin/InputDevice/") + sysName,
138​ QStringLiteral("org.kde.KWin.InputDevice"),
139​ QDBusConnection::sessionBus(),
140​ this);
141​ QVariant reply = deviceIface.property("pointer");
142​
143​ if (reply.isValid() && reply.toBool()) {
144​ reply = deviceIface.property("touchpad");
145​ if (reply.isValid() && reply.toBool()) {
146​ return;
147​ }
148​
149​ KWinWaylandDevice* dev = new KWinWaylandDevice(sysName);
150​ if (!dev->init() || !dev->getConfig()) {
151​ emit deviceAdded(false);
152​ return;
153​ }
154​
155​ m_devices.append(dev);
156​ qCDebug(KCM_INPUT).nospace() << "Device connected: " << dev->name() << " (" << dev->sysName() << ")";
157​ emit deviceAdded(true);
158​ }
159​}
160​
161​void KWinWaylandBackend::onDeviceRemoved(QString sysName)
162​{
163​ QVector<QObject*>::const_iterator it = std::find_if(m_devices.constBegin(), m_devices.constEnd(),
164​ [sysName] (QObject *t) { return static_cast<KWinWaylandDevice*>(t)->sysName() == sysName; });
165​ if (it == m_devices.cend()) {
166​ return;
167​ }
168​
169​ KWinWaylandDevice *dev = static_cast<KWinWaylandDevice*>(*it);
170​ qCDebug(KCM_INPUT).nospace() << "Device disconnected: " << dev->name() << " (" << dev->sysName() << ")";
171​
172​ int index = it - m_devices.cbegin();
173​ m_devices.removeAt(index);
174​ emit deviceRemoved(index);
175​}