Differential D14855 Diff 40088 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 "../kded/osdaction.h"
38
39		#include <algorithm>
40
41		KScreenApplet::KScreenApplet(QObject *parent, const QVariantList &data)
42		: Plasma::Applet(parent, data)
43		{
44
45		}
46
47		KScreenApplet::~KScreenApplet() = default;
48
49		void KScreenApplet::init()
50		{
51		qmlRegisterSingletonType<KScreen::OsdAction>("org.kde.private.kscreen", 1, 0, "OsdAction", [](QQmlEngine , QJSEngine ) -> QObject* {
52		return new KScreen::OsdAction();
	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
53		});
54
55		connect(new KScreen::GetConfigOperation(KScreen::GetConfigOperation::NoEDID), &KScreen::ConfigOperation::finished,
56		this, [this](KScreen::ConfigOperation *op) {
57		m_screenConfiguration = qobject_cast<KScreen::GetConfigOperation *>(op)->config();
58
59		KScreen::ConfigMonitor::instance()->addConfig(m_screenConfiguration);
60		connect(KScreen::ConfigMonitor::instance(), &KScreen::ConfigMonitor::configurationChanged, this, &KScreenApplet::checkOutputs);
61
62		checkOutputs();
63		});
	gladhornUnsubmitted Not Done This seems completely unused? Remove it maybe. gladhorn: This seems completely unused? Remove it maybe.
64		}
65
66		int KScreenApplet::connectedOutputCount() const
67		{
68		return m_connectedOutputCount;
69		}
70
71		void KScreenApplet::applyLayoutPreset(Action action)
72		{
73		const QMetaEnum actionEnum = QMetaEnum::fromType<KScreen::OsdAction::Action>();
74		Q_ASSERT(actionEnum.isValid());
75
76		const QString presetName = QString::fromLatin1(actionEnum.valueToKey(action));
77		if (presetName.isEmpty()) {
78		return;
79		}
80
81		QDBusMessage msg = QDBusMessage::createMethodCall(
82		QStringLiteral("org.kde.kded5"),
83		QStringLiteral("/modules/kscreen"),
84		QStringLiteral("org.kde.KScreen"),
85		QStringLiteral("applyLayoutPreset")
86		);
87
88		msg.setArguments({presetName});
89
90		QDBusConnection::sessionBus().call(msg, QDBus::NoBlock);
91		}
92
93		void KScreenApplet::checkOutputs()
94		{
95		if (!m_screenConfiguration) {
96		return;
97		}
98
99		const int oldConnectedOutputCount = m_connectedOutputCount;
100
101		const auto outputs = m_screenConfiguration->outputs();
102		m_connectedOutputCount = std::count_if(outputs.begin(), outputs.end(), [](const KScreen::OutputPtr &output) {
103		return output->isConnected();
104		});
105
106		if (m_connectedOutputCount != oldConnectedOutputCount) {
107		emit connectedOutputCountChanged();
108		}
109		}
110
111		K_EXPORT_PLASMA_APPLET_WITH_JSON(kscreen, KScreenApplet, "metadata.json")
112
113		#include "kscreenapplet.moc"