1 /*
2 SPDX-FileCopyrightText: 2017 Roman Gilg <subdiff@gmail.com>
3
4 SPDX-License-Identifier: GPL-2.0-or-later
5 */
6
7 #include "touchpadconfiglibinput.h"
8
9 #include <KAboutData>
10 #include <KLocalizedString>
11 #include <kdeclarative/kdeclarative.h>
12
13 #include <QMetaObject>
14 #include <QQmlContext>
15 #include <QQmlProperty>
16 #include <QQuickItem>
17 #include <QQuickWidget>
18 #include <QVBoxLayout>
19
20 #include "../touchpadconfigcontainer.h"
21 #include "touchpadbackend.h"
22
23 #include "plasma_version.h"
24
TouchpadConfigLibinput(TouchpadConfigContainer * parent,TouchpadBackend * backend,const QVariantList &)25 TouchpadConfigLibinput::TouchpadConfigLibinput(TouchpadConfigContainer *parent, TouchpadBackend *backend, const QVariantList & /*args*/)
26 : TouchpadConfigPlugin(parent, backend)
27 {
28 KAboutData *data = new KAboutData(QStringLiteral("kcm_touchpad"),
29 i18n("Touchpad KCM"),
30 PLASMA_VERSION_STRING,
31 i18n("System Settings module for managing your touchpad"),
32 KAboutLicense::GPL_V2,
33 i18n("Copyright © 2016 Roman Gilg"),
34 QString());
35
36 data->addAuthor(i18n("Roman Gilg"), i18n("Developer"), QStringLiteral("subdiff@gmail.com"));
37
38 m_parent->setAboutData(data);
39
40 m_initError = !m_backend->errorString().isNull();
41
42 m_view = new QQuickWidget(this);
43
44 QVBoxLayout *layout = new QVBoxLayout(parent);
45
46 layout->addWidget(m_view);
47 parent->setLayout(layout);
48
49 m_view->setResizeMode(QQuickWidget::SizeRootObjectToView);
50 m_view->setClearColor(Qt::transparent);
51 m_view->setAttribute(Qt::WA_AlwaysStackOnTop);
52
53 m_view->rootContext()->setContextProperty("backend", m_backend);
54 m_view->rootContext()->setContextProperty("deviceModel", QVariant::fromValue(m_backend->getDevices().toList()));
55
56 qmlRegisterSingletonInstance("org.kde.touchpad.kcm", 1, 0, "TouchpadConfig", this);
57
58 KDeclarative::KDeclarative kdeclarative;
59 kdeclarative.setDeclarativeEngine(m_view->engine());
60 kdeclarative.setupBindings();
61 m_view->setSource(QUrl("qrc:/libinput/touchpad.qml"));
62
63 if (m_initError) {
64 Q_EMIT showMessage(m_backend->errorString());
65 } else {
66 connect(m_backend, SIGNAL(touchpadAdded(bool)), this, SLOT(onTouchpadAdded(bool)));
67 connect(m_backend, SIGNAL(touchpadRemoved(int)), this, SLOT(onTouchpadRemoved(int)));
68 connect(m_view->rootObject(), SIGNAL(changeSignal()), this, SLOT(onChange()));
69 }
70
71 m_view->show();
72 }
73
sizeHint() const74 QSize TouchpadConfigLibinput::sizeHint() const
75 {
76 return QQmlProperty::read(m_view->rootObject(), "sizeHint").toSize();
77 }
78
minimumSizeHint() const79 QSize TouchpadConfigLibinput::minimumSizeHint() const
80 {
81 return QQmlProperty::read(m_view->rootObject(), "minimumSizeHint").toSize();
82 }
83
load()84 void TouchpadConfigLibinput::load()
85 {
86 // in case of critical init error in backend, don't try
87 if (m_initError) {
88 return;
89 }
90
91 if (!m_backend->getConfig()) {
92 Q_EMIT showMessage(i18n("Error while loading values. See logs for more information. Please restart this configuration module."));
93 } else {
94 if (!m_backend->touchpadCount()) {
95 Q_EMIT showMessage(i18n("No touchpad found. Connect touchpad now."));
96 }
97 }
98 QMetaObject::invokeMethod(m_view->rootObject(), "syncValuesFromBackend");
99 }
100
save()101 void TouchpadConfigLibinput::save()
102 {
103 if (!m_backend->applyConfig()) {
104 Q_EMIT showMessage(i18n("Not able to save all changes. See logs for more information. Please restart this configuration module and try again."));
105 } else {
106 Q_EMIT showMessage(QString());
107 }
108
109 // load newly written values
110 load();
111 // in case of error, config still in changed state
112 Q_EMIT m_parent->changed(m_backend->isChangedConfig());
113 }
114
defaults()115 void TouchpadConfigLibinput::defaults()
116 {
117 // in case of critical init error in backend, don't try
118 if (m_initError) {
119 return;
120 }
121
122 if (!m_backend->getDefaultConfig()) {
123 Q_EMIT showMessage(i18n("Error while loading default values. Failed to set some options to their default values."));
124 }
125 QMetaObject::invokeMethod(m_view->rootObject(), "syncValuesFromBackend");
126 Q_EMIT m_parent->changed(m_backend->isChangedConfig());
127 }
128
onChange()129 void TouchpadConfigLibinput::onChange()
130 {
131 if (!m_backend->touchpadCount()) {
132 return;
133 }
134 hideErrorMessage();
135 Q_EMIT m_parent->changed(m_backend->isChangedConfig());
136 }
137
onTouchpadAdded(bool success)138 void TouchpadConfigLibinput::onTouchpadAdded(bool success)
139 {
140 QQuickItem *rootObj = m_view->rootObject();
141
142 if (!success) {
143 Q_EMIT showMessage(i18n("Error while adding newly connected device. Please reconnect it and restart this configuration module."));
144 }
145
146 int activeIndex;
147 if (m_backend->touchpadCount() == 1) {
148 // if no touchpad was connected previously, show the new device and hide the no-device-message
149 activeIndex = 0;
150 hideErrorMessage();
151 } else {
152 activeIndex = QQmlProperty::read(rootObj, "deviceIndex").toInt();
153 }
154 m_view->rootContext()->setContextProperty("deviceModel", QVariant::fromValue(m_backend->getDevices()));
155 QMetaObject::invokeMethod(rootObj, "resetModel", Q_ARG(QVariant, activeIndex));
156 QMetaObject::invokeMethod(rootObj, "syncValuesFromBackend");
157 }
158
onTouchpadRemoved(int index)159 void TouchpadConfigLibinput::onTouchpadRemoved(int index)
160 {
161 QQuickItem *rootObj = m_view->rootObject();
162
163 int activeIndex = QQmlProperty::read(rootObj, "deviceIndex").toInt();
164 if (activeIndex == index) {
165 if (m_backend->touchpadCount()) {
166 Q_EMIT showMessage(i18n("Touchpad disconnected. Closed its setting dialog."), 0 /*Kirigami.MessageType.Information*/);
167 } else {
168 Q_EMIT showMessage(i18n("Touchpad disconnected. No other touchpads found."), 0 /*Kirigami.MessageType.Information*/);
169 }
170 activeIndex = 0;
171 } else {
172 if (index < activeIndex) {
173 activeIndex--;
174 }
175 }
176 m_view->rootContext()->setContextProperty("deviceModel", QVariant::fromValue(m_backend->getDevices()));
177 QMetaObject::invokeMethod(m_view->rootObject(), "resetModel", Q_ARG(QVariant, activeIndex));
178 QMetaObject::invokeMethod(rootObj, "syncValuesFromBackend");
179
180 Q_EMIT m_parent->changed(m_backend->isChangedConfig());
181 }
182
hideErrorMessage()183 void TouchpadConfigLibinput::hideErrorMessage()
184 {
185 Q_EMIT showMessage(QString());
186 }
187