Differential D14855 Diff 39779 plasmoid/kscreenapplet.cpp

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plasmoid/kscreenapplet.cpp

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1		/*
2		* Copyright (c) 2018 Kai Uwe Broulik <kde@broulik.de>
3		* Work sponsored by the LiMux project of
4		* the city of Munich.
5		*
6		* This program is free software; you can redistribute it and/or
7		* modify it under the terms of the GNU General Public License as
8		* published by the Free Software Foundation; either version 2 of
9		* the License or (at your option) version 3 or any later version
10		* accepted by the membership of KDE e.V. (or its successor approved
11		* by the membership of KDE e.V.), which shall act as a proxy
12		* defined in Section 14 of version 3 of the license.
13		*
14		* This program is distributed in the hope that it will be useful,
15		* but WITHOUT ANY WARRANTY; without even the implied warranty of
16		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17		* GNU General Public License for more details.
18		*
19		* You should have received a copy of the GNU General Public License
20		* along with this program. If not, see <http://www.gnu.org/licenses/>.
21		*
22		*/
23
24		#include "kscreenapplet.h"
25
26		#include <QQmlEngine> // for qmlRegisterType
27		#include <QMetaEnum>
28
29		#include <QDBusConnection>
30		#include <QDBusMessage>
31
32		#include <KScreen/Config>
33		#include <KScreen/ConfigMonitor>
34		#include <KScreen/GetConfigOperation>
35		#include <KScreen/Output>
36
37		#include <algorithm>
38
39		KScreenApplet::KScreenApplet(QObject *parent, const QVariantList &data)
40		: Plasma::Applet(parent, data)
41		{
42
43		}
44
45		KScreenApplet::~KScreenApplet() = default;
46
47		void KScreenApplet::init()
48		{
49		qmlRegisterUncreatableType<KScreenApplet>("org.kde.private.kscreen", 1, 0, "KScreenApplet", QStringLiteral("Cannot create instance of KScreenApplet"));
50
51		connect(new KScreen::GetConfigOperation(KScreen::GetConfigOperation::NoEDID), &KScreen::ConfigOperation::finished,
	gladhornUnsubmitted Not Done What is the ownership of the GetConfigOperation? Is it deleted? (I don't know this code very well) gladhorn: What is the ownership of the GetConfigOperation? Is it deleted? (I don't know this code very…
	broulikAuthorUnsubmitted Not Done `GetConfigOperation` self-`deleteLater`s when done broulik: `GetConfigOperation` self-`deleteLater`s when done
52		this, [this](KScreen::ConfigOperation *op) {
53		m_screenConfiguration = qobject_cast<KScreen::GetConfigOperation *>(op)->config();
54
55		KScreen::ConfigMonitor::instance()->addConfig(m_screenConfiguration);
56		connect(KScreen::ConfigMonitor::instance(), &KScreen::ConfigMonitor::configurationChanged, this, &KScreenApplet::checkOutputs);
57
58		checkOutputs();
59		});
60		}
61
62		void KScreenApplet::configChanged()
	gladhornUnsubmitted Not Done This seems completely unused? Remove it maybe. gladhorn: This seems completely unused? Remove it maybe.
63		{
64
65		}
66
67		int KScreenApplet::connectedOutputCount() const
68		{
69		return m_connectedOutputCount;
70		}
71
72		void KScreenApplet::applyLayoutPreset(Action action)
73		{
74		const QMetaEnum actionEnum = QMetaEnum::fromType<Action>();
75		Q_ASSERT(actionEnum.isValid());
76
77		const QString presetName = QString::fromLatin1(actionEnum.valueToKey(action));
78		if (presetName.isEmpty()) {
79		return;
80		}
81
82		QDBusMessage msg = QDBusMessage::createMethodCall(
83		QStringLiteral("org.kde.kded5"),
84		QStringLiteral("/modules/kscreen"),
85		QStringLiteral("org.kde.KScreen"),
86		QStringLiteral("applyLayoutPreset")
87		);
88
89		msg.setArguments({presetName});
90
91		QDBusConnection::sessionBus().call(msg, QDBus::NoBlock);
92		}
93
94		void KScreenApplet::checkOutputs()
95		{
96		if (!m_screenConfiguration) {
97		return;
98		}
99
100		const int oldConnectedOutputCount = m_connectedOutputCount;
101
102		const auto outputs = m_screenConfiguration->outputs();
103		m_connectedOutputCount = std::count_if(outputs.begin(), outputs.end(), [](const KScreen::OutputPtr &output) {
104		return output->isConnected();
105		});
106
107		if (m_connectedOutputCount != oldConnectedOutputCount) {
108		emit connectedOutputCountChanged();
109		}
110		}
111
112		K_EXPORT_PLASMA_APPLET_WITH_JSON(kscreen, KScreenApplet, "metadata.json")
113
114		#include "kscreenapplet.moc"