Differential D21875 Diff 60016 kcmkwin/supportinformation/main.cpp

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kcmkwin/supportinformation/main.cpp

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		1		/*
		2		* Copyright (c) 2019 Kai Uwe Broulik <kde@broulik.de>
		3		*
		4		* This program is free software; you can redistribute it and/or
		5		* modify it under the terms of the GNU General Public License as
		6		* published by the Free Software Foundation; either version 3 of
		7		* the License or any later version accepted by the membership of
		8		* KDE e.V. (or its successor approved by the membership of KDE
		9		* e.V.), which shall act as a proxy defined in Section 14 of
		10		* version 3 of the license.
		11		*
		12		* This program is distributed in the hope that it will be useful,
		13		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		14		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		15		* GNU General Public License for more details.
		16		*
		17		* You should have received a copy of the GNU General Public License
		18		* along with this program. If not, see <http://www.gnu.org/licenses/>.
		19		*/
		20
		21		#include "main.h"
		22
		23		#include <QDBusConnection>
		24		#include <QDBusPendingCallWatcher>
		25		#include <QClipboard>
		26		#include <QDialogButtonBox>
		27		#include <QFileDialog>
		28		#include <QFontDatabase>
		29		#include <QGuiApplication>
		30		#include <QSaveFile>
		31
		32		#include <KAboutData>
		33		#include <KLocalizedString>
		34		#include <KMessageWidget>
		35		#include <KPluginFactory>
		36
		37		#include "ui_main.h"
		38
		39		#include "kwin_interface.h"
		40
		41		K_PLUGIN_FACTORY(KWinSupportInformationFactory, registerPlugin<KWin::KWinSupportInformation>();)
		42
		43		using namespace KWin;
		44
		45		KWinSupportInformation::KWinSupportInformation(QWidget *parent, const QVariantList &args)
		46		: KCModule(KAboutData::pluginData(QStringLiteral("kcm_kwinsupportinformation")), parent, args)
		47		, m_ui(new Ui::KWinSupportInformationForm)
		48		{
		49		m_ui->setupUi(this);
		50		m_ui->textBrowser->setFont(QFontDatabase::systemFont(QFontDatabase::FixedFont));
		51		m_ui->textBrowser->setEnabled(false);
		52		m_ui->messageWidget->hide();
		53
		54		auto *kwinInterface = new org::kde::KWin(QStringLiteral("org.kde.KWin"),
		55		QStringLiteral("/KWin"),
		56		QDBusConnection::sessionBus(),
		57		this);
		58
		59		QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(kwinInterface->supportInformation(), this);
		60		connect(watcher, &QDBusPendingCallWatcher::finished, this, [this, watcher]() {
		61		QDBusPendingReply<QString> reply = *watcher;
		62		if (reply.isError()) {
		63		showMessage(KMessageWidget::Error, i18n("Failed to query support information from KWin: %1", reply.error().message()));
		64		} else {
		65		m_ui->textBrowser->setPlainText(reply.value());
		66		m_ui->textBrowser->setEnabled(true);
		67		}
		68		watcher->deleteLater();
		69		});
		70
		71		connect(m_ui->copyButton, &QPushButton::clicked, this, [this] {
		72		QGuiApplication::clipboard()->setText(m_ui->textBrowser->toPlainText());
		73		m_ui->messageWidget->setMessageType(KMessageWidget::Positive);
		74		m_ui->messageWidget->setText(i18n("Support information was copied to clipboard."));
		75		m_ui->messageWidget->animatedShow();
		76		});
		77		connect(m_ui->saveButton, &QPushButton::clicked, this, [this] {
		78		QFileDialog *dialog = new QFileDialog(this);
		79		dialog->setWindowTitle(i18n("Save Support Information"));
		80		dialog->setAcceptMode(QFileDialog::AcceptSave);
		81		dialog->setMimeTypeFilters({QStringLiteral("text/plain")});
		82		dialog->setSupportedSchemes({QStringLiteral("file")});
		83		dialog->setConfirmOverwrite(true);
		84		if (!dialog->exec()) {
		85		return;
		86		}
		87
		88		const QUrl url = dialog->selectedUrls().value(0);
		89		if (!url.isValid()) {
		90		return;
		91		}
		92
		93		if (!saveToFile(url.toLocalFile())) {
		94		showMessage(KMessageWidget::Error, i18n("Failed to save support information to this file."));
		95		return;
		96		}
		97		});
		98		}
		99
		100		KWinSupportInformation::~KWinSupportInformation() = default;
		101
		102		void KWinSupportInformation::showMessage(KMessageWidget::MessageType type, const QString &text)
		103		{
		104		m_ui->messageWidget->setMessageType(type);
		105		m_ui->messageWidget->setText(text);
		106		m_ui->messageWidget->animatedShow();
		107		}
		108
		109		bool KWinSupportInformation::saveToFile(const QString &path)
		110		{
		111		QSaveFile file(path);
		112		if (!file.open(QIODevice::WriteOnly \| QIODevice::Text)) {
		113		return false;
		114		}
		115
		116		file.write(m_ui->textBrowser->toPlainText().toUtf8());
		117
		118		if (!file.commit()) {
		119		return false;
		120		}
		121
		122		return true;
		123		}
		124
		125		#include "main.moc"