Differential D11468 Diff 31037 kcms/input/kcm/libinput/libinput_config.cpp

Changeset View

Standalone View

View Options

kcms/input/kcm/libinput/libinput_config.cpp

  • This file was added.
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 "libinput_config.h"
20​#include "../configcontainer.h"
21​
22​#include <KAboutData>
23​#include <KLocalizedString>
24​#include <kdeclarative/kdeclarative.h>
25​#include <KMessageWidget>
26​
27​#include <QQuickItem>
28​#include <QQuickWidget>
29​#include <QQmlContext>
30​#include <QVBoxLayout>
31​#include <QQmlProperty>
32​#include <QMetaObject>
33​
34​#include "inputbackend.h"
35​
36​static QVariant getDeviceList(InputBackend *backend)
37​{
38​ return QVariant::fromValue(backend->getDevices().toList());
39​}
40​
41​LibinputConfig::LibinputConfig(ConfigContainer *parent, InputBackend *backend)
42​ : ConfigPlugin(parent)
43​{
44​ m_backend = backend;
45​
46​ KAboutData* data = new KAboutData(QStringLiteral("kcmmouse"),
47​ i18n("Pointer device KCM"),
48​ QStringLiteral("1.0"),
49​ i18n("System Settings module for managing mice and trackballs."),
50​ KAboutLicense::GPL_V2,
51​ i18n("Copyright 2018 Roman Gilg"),
52​ QString());
53​
54​ data->addAuthor(i18n("Roman Gilg"),
55​ i18n("Developer"),
56​ QStringLiteral("subdiff@gmail.com"));
57​
58​ m_parent->setAboutData(data);
59​
60​ m_initError = !m_backend->errorString().isNull();
61​
62​ m_view = new QQuickWidget(this);
63​
64​ m_errorMessage = new KMessageWidget(this);
65​ m_errorMessage->setCloseButtonVisible(false);
66​ m_errorMessage->setWordWrap(true);
67​ m_errorMessage->setVisible(false);
68​
69​ QVBoxLayout *layout = new QVBoxLayout(parent);
70​
71​ layout->addWidget(m_errorMessage);
72​ layout->addWidget(m_view);
73​ parent->setLayout(layout);
74​
75​ m_view->setResizeMode(QQuickWidget::SizeRootObjectToView);
76​ m_view->setClearColor(Qt::transparent);
77​ m_view->setAttribute(Qt::WA_AlwaysStackOnTop);
78​
79​ m_view->rootContext()->setContextProperty("backend", m_backend);
80​ m_view->rootContext()->setContextProperty("deviceModel", getDeviceList(m_backend));
81​
82​ KDeclarative::KDeclarative kdeclarative;
83​ kdeclarative.setDeclarativeEngine(m_view->engine());
84​ kdeclarative.setupBindings();
85​ m_view->setSource(QUrl("qrc:/libinput/main.qml"));
86​
87​ if (m_initError) {
88​ m_errorMessage->setMessageType(KMessageWidget::Error);
89​ m_errorMessage->setText(m_backend->errorString());
90​ QMetaObject::invokeMethod(m_errorMessage, "animatedShow",
91​ Qt::QueuedConnection);
92​ } else {
93​ connect(m_backend, SIGNAL(deviceAdded(bool)), this, SLOT(onDeviceAdded(bool)));
94​ connect(m_backend, SIGNAL(deviceRemoved(int)), this, SLOT(onDeviceRemoved(int)));
95​ connect(m_view->rootObject(), SIGNAL(changeSignal()), this, SLOT(onChange()));
96​ }
97​
98​ m_view->show();
99​}
100​
101​QSize LibinputConfig::sizeHint() const
102​{
103​ return QQmlProperty::read(m_view->rootObject(), "sizeHint").toSize();
104​}
105​
106​QSize LibinputConfig::minimumSizeHint() const
107​{
108​ return QQmlProperty::read(m_view->rootObject(), "minimumSizeHint").toSize();
109​}
110​
111​void LibinputConfig::load()
112​{
113​ // in case of critical init error in backend, don't try
114​ if (m_initError) {
115​ return;
116​ }
117​
118​ if (!m_backend->getConfig()) {
119​ m_errorMessage->setMessageType(KMessageWidget::Error);
120​ m_errorMessage->setText(i18n("Error while loading values. See logs for more informations. Please restart this configuration module."));
121​ m_errorMessage->animatedShow();
122​ } else {
123​ if (!m_backend->deviceCount()) {
124​ m_errorMessage->setMessageType(KMessageWidget::Information);
125​ m_errorMessage->setText(i18n("No pointer device found. Connect now."));
126​ m_errorMessage->animatedShow();
127​ }
128​ }
129​ QMetaObject::invokeMethod(m_view->rootObject(), "syncValuesFromBackend");
130​}
131​
132​void LibinputConfig::save()
133​{
134​ if (!m_backend->applyConfig()) {
135​ m_errorMessage->setMessageType(KMessageWidget::Error);
136​ m_errorMessage->setText(i18n("Not able to save all changes. See logs for more informations. Please restart this configuration module and try again."));
137​ m_errorMessage->animatedShow();
138​ } else {
139​ hideErrorMessage();
140​ }
141​ // load newly written values
142​ load();
143​ // in case of error, config still in changed state
144​ emit m_parent->changed(m_backend->isChangedConfig());
145​}
146​
147​void LibinputConfig::defaults()
148​{
149​ // in case of critical init error in backend, don't try
150​ if (m_initError) {
151​ return;
152​ }
153​
154​ if (!m_backend->getDefaultConfig()) {
155​ m_errorMessage->setMessageType(KMessageWidget::Error);
156​ m_errorMessage->setText(i18n("Error while loading default values. Failed to set some options to their default values."));
157​ m_errorMessage->animatedShow();
158​ }
159​ QMetaObject::invokeMethod(m_view->rootObject(), "syncValuesFromBackend");
160​ emit m_parent->changed(m_backend->isChangedConfig());
161​}
162​
163​void LibinputConfig::onChange()
164​{
165​ if (!m_backend->deviceCount()) {
166​ return;
167​ }
168​ hideErrorMessage();
169​ emit m_parent->changed(m_backend->isChangedConfig());
170​}
171​
172​void LibinputConfig::onDeviceAdded(bool success)
173​{
174​ QQuickItem *rootObj = m_view->rootObject();
175​
176​ if (!success) {
177​ m_errorMessage->setMessageType(KMessageWidget::Error);
178​ m_errorMessage->setText(i18n("Error while adding newly connected device. Please reconnect it and restart this configuration module."));
179​ }
180​
181​ int activeIndex;
182​ if (m_backend->deviceCount() == 1) {
183​ // if no pointer device was connected previously, show the new device and hide the no-device-message
184​ activeIndex = 0;
185​ hideErrorMessage();
186​ } else {
187​ activeIndex = QQmlProperty::read(rootObj, "deviceIndex").toInt();
188​ }
189​ m_view->rootContext()->setContextProperty("deviceModel", getDeviceList(m_backend));
190​ QMetaObject::invokeMethod(rootObj, "resetModel", Q_ARG(QVariant, activeIndex));
191​ QMetaObject::invokeMethod(rootObj, "syncValuesFromBackend");
192​}
193​
194​void LibinputConfig::onDeviceRemoved(int index)
195​{
196​ QQuickItem *rootObj = m_view->rootObject();
197​
198​ int activeIndex = QQmlProperty::read(rootObj, "deviceIndex").toInt();
199​ if (activeIndex == index) {
200​ m_errorMessage->setMessageType(KMessageWidget::Information);
201​ if (m_backend->deviceCount()) {
202​ m_errorMessage->setText(i18n("Pointer device disconnected. Closed its setting dialog."));
203​ } else {
204​ m_errorMessage->setText(i18n("Pointer device disconnected. No other devices found."));
205​ }
206​ m_errorMessage->animatedShow();
207​ activeIndex = 0;
208​ } else {
209​ if (index < activeIndex) {
210​ activeIndex--;
211​ }
212​ }
213​ m_view->rootContext()->setContextProperty("deviceModel", getDeviceList(m_backend));
214​ QMetaObject::invokeMethod(m_view->rootObject(), "resetModel", Q_ARG(QVariant, activeIndex));
215​ QMetaObject::invokeMethod(rootObj, "syncValuesFromBackend");
216​
217​ emit m_parent->changed(m_backend->isChangedConfig());
218​}
219​
220​void LibinputConfig::hideErrorMessage()
221​{
222​ if (m_errorMessage->isVisible()) {
223​ m_errorMessage->animatedHide();
224​ }
225​}