Differential D3617 Diff 8848 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 (C) 2016 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​
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 "../touchpadconfigcontainer.h"
35​#include "touchpadbackend.h"
36​
37​#include "version.h"
38​
39​TouchpadConfigLibinput::TouchpadConfigLibinput(TouchpadConfigContainer *parent, const QVariantList &args)
40​ : TouchpadConfigPlugin(parent)
41​{
42​ KAboutData* data = new KAboutData(QStringLiteral("kcm_touchpad"),
43​ i18n("Touchpad KCM"),
44​ TOUCHPAD_KCM_VERSION,
45​ i18n("System Settings module for managing your touchpad"),
46​ KAboutLicense::GPL_V2,
47​ i18n("Copyright © 2016 Roman Gilg"),
48​ QString());
49​
50​ data->addAuthor(i18n("Roman Gilg"),
51​ i18n("Developer"),
52​ QStringLiteral("subdiff@gmail.com"));
53​
54​ m_parent->setAboutData(data);
55​
56​ m_backend = TouchpadBackend::implementation();
57​ m_initError = !m_backend->errorString().isNull();
58​
59​ m_view = new QQuickWidget(this);
60​
61​ m_errorMessage = new KMessageWidget(this);
62​ m_errorMessage->setCloseButtonVisible(false);
63​ m_errorMessage->setWordWrap(true);
64​ m_errorMessage->setVisible(false);
65​
66​ QVBoxLayout *layout = new QVBoxLayout(parent);
67​
68​ layout->addWidget(m_errorMessage);
69​ layout->addWidget(m_view);
70​ parent->setLayout(layout);
71​
72​ m_view->setResizeMode(QQuickWidget::SizeRootObjectToView);
73​ m_view->setClearColor(Qt::transparent);
74​ m_view->setAttribute(Qt::WA_AlwaysStackOnTop);
75​
76​ m_view->rootContext()->setContextProperty("backend", m_backend);
77​ m_view->rootContext()->setContextProperty("deviceModel", QVariant::fromValue(m_backend->getDevices()));
78​
79​ KDeclarative::KDeclarative kdeclarative;
80​ kdeclarative.setDeclarativeEngine(m_view->engine());
81​ kdeclarative.setupBindings();
82​ m_view->setSource(QUrl("qrc:/libinput/main.qml"));
83​
84​ if (m_initError) {
85​ m_errorMessage->setMessageType(KMessageWidget::Error);
86​ m_errorMessage->setText(m_backend->errorString());
87​ QMetaObject::invokeMethod(m_errorMessage, "animatedShow",
88​ Qt::QueuedConnection);
89​ } else {
90​ connect(m_backend, SIGNAL(touchpadAdded(bool)), this, SLOT(onTouchpadAdded(bool)));
91​ connect(m_backend, SIGNAL(touchpadRemoved(int)), this, SLOT(onTouchpadRemoved(int)));
92​ connect(m_view->rootObject(), SIGNAL(changeSignal()), this, SLOT(onChange()));
93​ }
94​
95​ m_view->show();
96​}
97​
98​QSize TouchpadConfigLibinput::sizeHint() const
99​{
100​ return QSize(650,800);
101​}
sebasUnsubmitted
Done

This will fall over with high dpi displays...

sebas: This will fall over with high dpi displays...
102​
103​QSize TouchpadConfigLibinput::minimumSizeHint() const
104​{
105​ return QSize(100,200);
106​}
sebasUnsubmitted
Done

problematic for high dpi

sebas: problematic for high dpi
107​
108​void TouchpadConfigLibinput::load()
109​{
110​ // in case of critical init error in backend, don't try
111​ if (m_initError) {
112​ return;
113​ }
114​
115​ if (!m_backend->getConfig()) {
116​ m_errorMessage->setMessageType(KMessageWidget::Error);
117​ m_errorMessage->setText(i18n("Error while loading values. See logs for more informations. Please restart Touchpad KCM."));
118​ m_errorMessage->animatedShow();
119​ } else {
120​ if (!m_backend->touchpadCount()) {
121​ m_errorMessage->setMessageType(KMessageWidget::Information);
122​ m_errorMessage->setText(i18n("No touchpad found. Connect touchpad now."));
123​ m_errorMessage->animatedShow();
124​ }
125​ }
126​ QMetaObject::invokeMethod(m_view->rootObject(), "syncValuesFromBackend");
127​}
128​
129​void TouchpadConfigLibinput::save()
130​{
131​ if (!m_backend->applyConfig()) {
132​ m_errorMessage->setMessageType(KMessageWidget::Error);
133​ m_errorMessage->setText(i18n("Not able to save all changes. See logs for more informations. Please restart Touchpad KCM and try again."));
134​ m_errorMessage->animatedShow();
135​ } else {
136​ hideErrorMessage();
137​ }
138​ // load newly written values
139​ load();
140​ // in case of error, config still in changed state
141​ emit m_parent->changed(m_backend->isChangedConfig());
142​}
143​
144​void TouchpadConfigLibinput::defaults()
145​{
146​ // in case of critical init error in backend, don't try
147​ if (m_initError) {
148​ return;
149​ }
150​
151​ if (!m_backend->getDefaultConfig()) {
152​ m_errorMessage->setMessageType(KMessageWidget::Error);
153​ m_errorMessage->setText(i18n("Error while loading default values. Not all or none options could be set to their default values."));
154​ m_errorMessage->animatedShow();
155​ }
156​}
157​
158​void TouchpadConfigLibinput::onChange()
159​{
160​ if (!m_backend->touchpadCount()) {
161​ return;
162​ }
163​ hideErrorMessage();
164​ emit m_parent->changed(m_backend->isChangedConfig());
165​}
166​
167​void TouchpadConfigLibinput::onTouchpadAdded(bool success)
168​{
169​ QQuickItem *rootObj = m_view->rootObject();
170​
171​ if (!success) {
172​ m_errorMessage->setMessageType(KMessageWidget::Error);
173​ m_errorMessage->setText(i18n("Error while adding newly connected device. Please reconnect it and restart Touchpad KCM."));
174​ }
175​
176​ int activeIndex;
177​ if (m_backend->touchpadCount() == 1) {
178​ // if no touchpad was connected previously, show the new device and hide the no-device-message
179​ activeIndex = 0;
180​ hideErrorMessage();
181​ } else {
182​ activeIndex = QQmlProperty::read(rootObj, "deviceIndex").toInt();
183​ }
184​ m_view->rootContext()->setContextProperty("deviceModel", QVariant::fromValue(m_backend->getDevices()));
185​ QMetaObject::invokeMethod(rootObj, "resetModel", Q_ARG(QVariant, activeIndex));
186​ QMetaObject::invokeMethod(rootObj, "syncValuesFromBackend");
187​}
188​
189​void TouchpadConfigLibinput::onTouchpadRemoved(int index)
190​{
191​ QQuickItem *rootObj = m_view->rootObject();
192​
193​ int activeIndex = QQmlProperty::read(rootObj, "deviceIndex").toInt();
194​ if (activeIndex == index) {
195​ m_errorMessage->setMessageType(KMessageWidget::Information);
196​ if (m_backend->touchpadCount()) {
197​ m_errorMessage->setText(i18n("Touchpad disconnected. Closed its setting dialog."));
198​ } else {
199​ m_errorMessage->setText(i18n("Touchpad disconnected. No other touchpads found."));
200​ }
201​ m_errorMessage->animatedShow();
202​ activeIndex = 0;
203​ } else {
204​ if (index < activeIndex) {
205​ activeIndex--;
206​ }
207​ }
208​ m_view->rootContext()->setContextProperty("deviceModel", QVariant::fromValue(m_backend->getDevices()));
209​ QMetaObject::invokeMethod(m_view->rootObject(), "resetModel", Q_ARG(QVariant, activeIndex));
210​ QMetaObject::invokeMethod(rootObj, "syncValuesFromBackend");
211​
212​ emit m_parent->changed(m_backend->isChangedConfig());
213​}
214​
215​void TouchpadConfigLibinput::hideErrorMessage()
216​{
217​ if (m_errorMessage->isVisible()) {
218​ m_errorMessage->animatedHide();
219​ }
220​}