Differential D3617 Diff 10034 kcms/touchpad/src/kcm/libinput/touchpadconfiglibinput.cpp

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kcms/touchpad/src/kcm/libinput/touchpadconfiglibinput.cpp

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1​/*
2​ * Copyright 2017 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 "touchpadconfiglibinput.h"
20​
21​#include <KAboutData>
22​#include <KLocalizedString>
23​#include <kdeclarative/kdeclarative.h>
24​#include <KMessageWidget>
25​
26​#include <QQuickItem>
27​#include <QQuickWidget>
28​#include <QQmlContext>
29​#include <QVBoxLayout>
30​#include <QQmlProperty>
31​#include <QMetaObject>
32​
33​#include "../touchpadconfigcontainer.h"
34​#include "touchpadbackend.h"
35​
36​#include "version.h"
37​
38​TouchpadConfigLibinput::TouchpadConfigLibinput(TouchpadConfigContainer *parent, const QVariantList &args)
39​ : TouchpadConfigPlugin(parent)
40​{
41​ KAboutData* data = new KAboutData(QStringLiteral("kcm_touchpad"),
42​ i18n("Touchpad KCM"),
43​ TOUCHPAD_KCM_VERSION,
44​ i18n("System Settings module for managing your touchpad"),
45​ KAboutLicense::GPL_V2,
46​ i18n("Copyright © 2016 Roman Gilg"),
47​ QString());
48​
49​ data->addAuthor(i18n("Roman Gilg"),
50​ i18n("Developer"),
51​ QStringLiteral("subdiff@gmail.com"));
52​
53​ m_parent->setAboutData(data);
54​
55​ m_backend = TouchpadBackend::implementation();
56​ m_initError = !m_backend->errorString().isNull();
57​
58​ m_view = new QQuickWidget(this);
59​
60​ m_errorMessage = new KMessageWidget(this);
61​ m_errorMessage->setCloseButtonVisible(false);
62​ m_errorMessage->setWordWrap(true);
63​ m_errorMessage->setVisible(false);
64​
65​ QVBoxLayout *layout = new QVBoxLayout(parent);
66​
67​ layout->addWidget(m_errorMessage);
68​ layout->addWidget(m_view);
69​ parent->setLayout(layout);
70​
71​ m_view->setResizeMode(QQuickWidget::SizeRootObjectToView);
72​ m_view->setClearColor(Qt::transparent);
73​ m_view->setAttribute(Qt::WA_AlwaysStackOnTop);
74​
75​ m_view->rootContext()->setContextProperty("backend", m_backend);
76​ m_view->rootContext()->setContextProperty("deviceModel", QVariant::fromValue(m_backend->getDevices().toList()));
77​
78​ KDeclarative::KDeclarative kdeclarative;
79​ kdeclarative.setDeclarativeEngine(m_view->engine());
80​ kdeclarative.setupBindings();
81​ m_view->setSource(QUrl("qrc:/libinput/main.qml"));
82​
83​ if (m_initError) {
84​ m_errorMessage->setMessageType(KMessageWidget::Error);
85​ m_errorMessage->setText(m_backend->errorString());
86​ QMetaObject::invokeMethod(m_errorMessage, "animatedShow",
87​ Qt::QueuedConnection);
88​ } else {
89​ connect(m_backend, SIGNAL(touchpadAdded(bool)), this, SLOT(onTouchpadAdded(bool)));
90​ connect(m_backend, SIGNAL(touchpadRemoved(int)), this, SLOT(onTouchpadRemoved(int)));
91​ connect(m_view->rootObject(), SIGNAL(changeSignal()), this, SLOT(onChange()));
92​ }
93​
94​ m_view->show();
95​}
96​
97​QSize TouchpadConfigLibinput::sizeHint() const
98​{
99​ return QQmlProperty::read(m_view->rootObject(), "sizeHint").toSize();
100​}
101​
sebasUnsubmitted
Done

This will fall over with high dpi displays...

sebas: This will fall over with high dpi displays...
102​QSize TouchpadConfigLibinput::minimumSizeHint() const
103​{
104​ return QQmlProperty::read(m_view->rootObject(), "minimumSizeHint").toSize();
105​}
106​
sebasUnsubmitted
Done

problematic for high dpi

sebas: problematic for high dpi
107​void TouchpadConfigLibinput::load()
108​{
109​ // in case of critical init error in backend, don't try
110​ if (m_initError) {
111​ return;
112​ }
113​
114​ if (!m_backend->getConfig()) {
115​ m_errorMessage->setMessageType(KMessageWidget::Error);
116​ m_errorMessage->setText(i18n("Error while loading values. See logs for more informations. Please restart Touchpad KCM."));
117​ m_errorMessage->animatedShow();
118​ } else {
119​ if (!m_backend->touchpadCount()) {
120​ m_errorMessage->setMessageType(KMessageWidget::Information);
121​ m_errorMessage->setText(i18n("No touchpad found. Connect touchpad now."));
122​ m_errorMessage->animatedShow();
123​ }
124​ }
125​ QMetaObject::invokeMethod(m_view->rootObject(), "syncValuesFromBackend");
126​}
127​
128​void TouchpadConfigLibinput::save()
129​{
130​ if (!m_backend->applyConfig()) {
131​ m_errorMessage->setMessageType(KMessageWidget::Error);
132​ m_errorMessage->setText(i18n("Not able to save all changes. See logs for more informations. Please restart Touchpad KCM and try again."));
133​ m_errorMessage->animatedShow();
134​ } else {
135​ hideErrorMessage();
136​ }
137​ // load newly written values
138​ load();
139​ // in case of error, config still in changed state
140​ emit m_parent->changed(m_backend->isChangedConfig());
141​}
142​
143​void TouchpadConfigLibinput::defaults()
144​{
145​ // in case of critical init error in backend, don't try
146​ if (m_initError) {
147​ return;
148​ }
149​
150​ if (!m_backend->getDefaultConfig()) {
151​ m_errorMessage->setMessageType(KMessageWidget::Error);
152​ m_errorMessage->setText(i18n("Error while loading default values. Not all or none options could be set to their default values."));
153​ m_errorMessage->animatedShow();
154​ }
155​}
156​
157​void TouchpadConfigLibinput::onChange()
158​{
159​ if (!m_backend->touchpadCount()) {
160​ return;
161​ }
162​ hideErrorMessage();
163​ emit m_parent->changed(m_backend->isChangedConfig());
164​}
165​
166​void TouchpadConfigLibinput::onTouchpadAdded(bool success)
167​{
168​ QQuickItem *rootObj = m_view->rootObject();
169​
170​ if (!success) {
171​ m_errorMessage->setMessageType(KMessageWidget::Error);
172​ m_errorMessage->setText(i18n("Error while adding newly connected device. Please reconnect it and restart Touchpad KCM."));
173​ }
174​
175​ int activeIndex;
176​ if (m_backend->touchpadCount() == 1) {
177​ // if no touchpad was connected previously, show the new device and hide the no-device-message
178​ activeIndex = 0;
179​ hideErrorMessage();
180​ } else {
181​ activeIndex = QQmlProperty::read(rootObj, "deviceIndex").toInt();
182​ }
183​ m_view->rootContext()->setContextProperty("deviceModel", QVariant::fromValue(m_backend->getDevices()));
184​ QMetaObject::invokeMethod(rootObj, "resetModel", Q_ARG(QVariant, activeIndex));
185​ QMetaObject::invokeMethod(rootObj, "syncValuesFromBackend");
186​}
187​
188​void TouchpadConfigLibinput::onTouchpadRemoved(int index)
189​{
190​ QQuickItem *rootObj = m_view->rootObject();
191​
192​ int activeIndex = QQmlProperty::read(rootObj, "deviceIndex").toInt();
193​ if (activeIndex == index) {
194​ m_errorMessage->setMessageType(KMessageWidget::Information);
195​ if (m_backend->touchpadCount()) {
196​ m_errorMessage->setText(i18n("Touchpad disconnected. Closed its setting dialog."));
197​ } else {
198​ m_errorMessage->setText(i18n("Touchpad disconnected. No other touchpads found."));
199​ }
200​ m_errorMessage->animatedShow();
201​ activeIndex = 0;
202​ } else {
203​ if (index < activeIndex) {
204​ activeIndex--;
205​ }
206​ }
207​ m_view->rootContext()->setContextProperty("deviceModel", QVariant::fromValue(m_backend->getDevices()));
208​ QMetaObject::invokeMethod(m_view->rootObject(), "resetModel", Q_ARG(QVariant, activeIndex));
209​ QMetaObject::invokeMethod(rootObj, "syncValuesFromBackend");
210​
211​ emit m_parent->changed(m_backend->isChangedConfig());
212​}
213​
214​void TouchpadConfigLibinput::hideErrorMessage()
215​{
216​ if (m_errorMessage->isVisible()) {
217​ m_errorMessage->animatedHide();
218​ }
219​}