1 /*
2 SPDX-FileCopyrightText: 2018 Roman Gilg <subdiff@gmail.com>
3
4 SPDX-License-Identifier: GPL-2.0-or-later
5 */
6
7 #include "libinput_config.h"
8 #include "../configcontainer.h"
9
10 #include <KAboutData>
11 #include <KLocalizedString>
12 #include <KMessageWidget>
13 #include <kdeclarative/kdeclarative.h>
14
15 #include <QMetaObject>
16 #include <QQmlContext>
17 #include <QQmlProperty>
18 #include <QQuickItem>
19 #include <QQuickWidget>
20 #include <QVBoxLayout>
21
22 #include "inputbackend.h"
23
getDeviceList(InputBackend * backend)24 static QVariant getDeviceList(InputBackend *backend)
25 {
26 return QVariant::fromValue(backend->getDevices().toList());
27 }
28
LibinputConfig(ConfigContainer * parent,InputBackend * backend)29 LibinputConfig::LibinputConfig(ConfigContainer *parent, InputBackend *backend)
30 : ConfigPlugin(parent)
31 {
32 m_backend = backend;
33
34 KAboutData *data = new KAboutData(QStringLiteral("kcmmouse"),
35 i18n("Pointer device KCM"),
36 QStringLiteral("1.0"),
37 i18n("System Settings module for managing mice and trackballs."),
38 KAboutLicense::GPL_V2,
39 i18n("Copyright 2018 Roman Gilg"),
40 QString());
41
42 data->addAuthor(i18n("Roman Gilg"), i18n("Developer"), QStringLiteral("subdiff@gmail.com"));
43
44 m_parent->setAboutData(data);
45
46 m_initError = !m_backend->errorString().isNull();
47
48 m_view = new QQuickWidget(this);
49
50 m_errorMessage = new KMessageWidget(this);
51 m_errorMessage->setCloseButtonVisible(false);
52 m_errorMessage->setWordWrap(true);
53 m_errorMessage->setVisible(false);
54
55 QVBoxLayout *layout = new QVBoxLayout(parent);
56
57 layout->addWidget(m_errorMessage);
58 layout->addWidget(m_view);
59 parent->setLayout(layout);
60
61 m_view->setResizeMode(QQuickWidget::SizeRootObjectToView);
62 m_view->setClearColor(Qt::transparent);
63 m_view->setAttribute(Qt::WA_AlwaysStackOnTop);
64
65 m_view->rootContext()->setContextProperty("backend", m_backend);
66 m_view->rootContext()->setContextProperty("deviceModel", getDeviceList(m_backend));
67
68 KDeclarative::KDeclarative kdeclarative;
69 kdeclarative.setupEngine(m_view->engine()); // This is a new engine
70 kdeclarative.setDeclarativeEngine(m_view->engine());
71 kdeclarative.setupContext();
72
73 if (m_backend->mode() == InputBackendMode::XLibinput) {
74 m_view->setSource(QUrl("qrc:/libinput/main_deviceless.qml"));
75 } else {
76 m_view->setSource(QUrl("qrc:/libinput/main.qml"));
77 }
78
79 if (m_initError) {
80 m_errorMessage->setMessageType(KMessageWidget::Error);
81 m_errorMessage->setText(m_backend->errorString());
82 QMetaObject::invokeMethod(m_errorMessage, "animatedShow", Qt::QueuedConnection);
83 } else {
84 connect(m_backend, SIGNAL(deviceAdded(bool)), this, SLOT(onDeviceAdded(bool)));
85 connect(m_backend, SIGNAL(deviceRemoved(int)), this, SLOT(onDeviceRemoved(int)));
86 connect(m_view->rootObject(), SIGNAL(changeSignal()), this, SLOT(onChange()));
87 }
88
89 m_view->show();
90 }
91
sizeHint() const92 QSize LibinputConfig::sizeHint() const
93 {
94 return QQmlProperty::read(m_view->rootObject(), "sizeHint").toSize();
95 }
96
minimumSizeHint() const97 QSize LibinputConfig::minimumSizeHint() const
98 {
99 return QQmlProperty::read(m_view->rootObject(), "minimumSizeHint").toSize();
100 }
101
load()102 void LibinputConfig::load()
103 {
104 // in case of critical init error in backend, don't try
105 if (m_initError) {
106 return;
107 }
108
109 if (!m_backend->getConfig()) {
110 m_errorMessage->setMessageType(KMessageWidget::Error);
111 m_errorMessage->setText(i18n("Error while loading values. See logs for more information. Please restart this configuration module."));
112 m_errorMessage->animatedShow();
113 } else {
114 if (!m_backend->deviceCount()) {
115 m_errorMessage->setMessageType(KMessageWidget::Information);
116 m_errorMessage->setText(i18n("No pointer device found. Connect now."));
117 m_errorMessage->animatedShow();
118 }
119 }
120 QMetaObject::invokeMethod(m_view->rootObject(), "syncValuesFromBackend");
121 }
122
save()123 void LibinputConfig::save()
124 {
125 if (!m_backend->applyConfig()) {
126 m_errorMessage->setMessageType(KMessageWidget::Error);
127 m_errorMessage->setText(i18n("Not able to save all changes. See logs for more information. Please restart this configuration module and try again."));
128 m_errorMessage->animatedShow();
129 } else {
130 hideErrorMessage();
131 }
132 // load newly written values
133 load();
134 // in case of error, config still in changed state
135 Q_EMIT m_parent->changed(m_backend->isChangedConfig());
136 }
137
defaults()138 void LibinputConfig::defaults()
139 {
140 // in case of critical init error in backend, don't try
141 if (m_initError) {
142 return;
143 }
144
145 if (!m_backend->getDefaultConfig()) {
146 m_errorMessage->setMessageType(KMessageWidget::Error);
147 m_errorMessage->setText(i18n("Error while loading default values. Failed to set some options to their default values."));
148 m_errorMessage->animatedShow();
149 }
150 QMetaObject::invokeMethod(m_view->rootObject(), "syncValuesFromBackend");
151 Q_EMIT m_parent->changed(m_backend->isChangedConfig());
152 }
153
onChange()154 void LibinputConfig::onChange()
155 {
156 if (!m_backend->deviceCount()) {
157 return;
158 }
159 hideErrorMessage();
160 Q_EMIT m_parent->changed(m_backend->isChangedConfig());
161 }
162
onDeviceAdded(bool success)163 void LibinputConfig::onDeviceAdded(bool success)
164 {
165 QQuickItem *rootObj = m_view->rootObject();
166
167 if (!success) {
168 m_errorMessage->setMessageType(KMessageWidget::Error);
169 m_errorMessage->setText(i18n("Error while adding newly connected device. Please reconnect it and restart this configuration module."));
170 }
171
172 int activeIndex;
173 if (m_backend->deviceCount() == 1) {
174 // if no pointer device was connected previously, show the new device and hide the no-device-message
175 activeIndex = 0;
176 hideErrorMessage();
177 } else {
178 activeIndex = QQmlProperty::read(rootObj, "deviceIndex").toInt();
179 }
180 m_view->rootContext()->setContextProperty("deviceModel", getDeviceList(m_backend));
181 QMetaObject::invokeMethod(rootObj, "resetModel", Q_ARG(QVariant, activeIndex));
182 QMetaObject::invokeMethod(rootObj, "syncValuesFromBackend");
183 }
184
onDeviceRemoved(int index)185 void LibinputConfig::onDeviceRemoved(int index)
186 {
187 QQuickItem *rootObj = m_view->rootObject();
188
189 int activeIndex = QQmlProperty::read(rootObj, "deviceIndex").toInt();
190 if (activeIndex == index) {
191 m_errorMessage->setMessageType(KMessageWidget::Information);
192 if (m_backend->deviceCount()) {
193 m_errorMessage->setText(i18n("Pointer device disconnected. Closed its setting dialog."));
194 } else {
195 m_errorMessage->setText(i18n("Pointer device disconnected. No other devices found."));
196 }
197 m_errorMessage->animatedShow();
198 activeIndex = 0;
199 } else {
200 if (index < activeIndex) {
201 activeIndex--;
202 }
203 }
204 m_view->rootContext()->setContextProperty("deviceModel", getDeviceList(m_backend));
205 QMetaObject::invokeMethod(m_view->rootObject(), "resetModel", Q_ARG(QVariant, activeIndex));
206 QMetaObject::invokeMethod(rootObj, "syncValuesFromBackend");
207
208 Q_EMIT m_parent->changed(m_backend->isChangedConfig());
209 }
210
hideErrorMessage()211 void LibinputConfig::hideErrorMessage()
212 {
213 if (m_errorMessage->isVisible()) {
214 m_errorMessage->animatedHide();
215 }
216 }
217