432 lines
18 KiB
C++
432 lines
18 KiB
C++
/*
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SPDX-FileCopyrightText: 2006-2008 Robert Knight <robertknight@gmail.com>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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// To time the creation and total launch time (i. e. until window is
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// visible/responsive):
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// #define PROFILE_STARTUP
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// Own
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#include "Application.h"
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#include "KonsoleSettings.h"
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#include "MainWindow.h"
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#include "ViewManager.h"
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#include "config-konsole.h"
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#include "widgets/ViewContainer.h"
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// OS specific
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#include <QApplication>
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#include <QCommandLineParser>
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#include <QDir>
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#include <QProxyStyle>
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#include <QStandardPaths>
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#include <qplatformdefs.h>
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// KDE
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#include <KAboutData>
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#include <KCrash>
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#include <KIconTheme>
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#include <KLocalizedString>
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#if HAVE_DBUS
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#include <KDBusService>
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#endif
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#define HAVE_STYLE_MANAGER __has_include(<KStyleManager>)
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#if HAVE_STYLE_MANAGER
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#include <KStyleManager>
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#endif
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using Konsole::Application;
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#ifdef PROFILE_STARTUP
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#include <QDebug>
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#include <QElapsedTimer>
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#include <QTimer>
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#endif
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// fill the KAboutData structure with information about contributors to Konsole.
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void fillAboutData(KAboutData &aboutData);
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// check and report whether this konsole instance should use a new konsole
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// process, or re-use an existing konsole process.
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bool shouldUseNewProcess(int argc, char *argv[]);
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// restore sessions saved by KDE.
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void restoreSession(Application &app);
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#if HAVE_DBUS
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// Workaround for a bug in KDBusService: https://bugs.kde.org/show_bug.cgi?id=355545
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// It calls exit(), but the program can't exit before the QApplication is deleted:
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// https://bugreports.qt.io/browse/QTBUG-48709
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static bool needToDeleteQApplication = false;
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void deleteQApplication()
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{
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if (needToDeleteQApplication) {
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delete qApp;
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}
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}
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#endif
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// This override resolves following problem: since some qt version if
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// XDG_CURRENT_DESKTOP ≠ kde, then pressing and immediately releasing Alt
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// key makes focus get stuck in QMenu.
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// Upstream report: https://bugreports.qt.io/browse/QTBUG-77355
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class MenuStyle : public QProxyStyle
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{
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public:
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MenuStyle(const QString &name)
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: QProxyStyle(name)
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{
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}
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int styleHint(const StyleHint stylehint, const QStyleOption *opt, const QWidget *widget, QStyleHintReturn *returnData) const override
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{
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return (stylehint == QStyle::SH_MenuBar_AltKeyNavigation) ? 0 : QProxyStyle::styleHint(stylehint, opt, widget, returnData);
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}
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};
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// Used to control migrating config entries.
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// Increment when there are new keys to migrate.
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static int CurrentConfigVersion = 1;
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static void migrateRenamedConfigKeys()
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{
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KSharedConfigPtr konsoleConfig = KSharedConfig::openConfig(QStringLiteral("konsolerc"));
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KConfigGroup verGroup = konsoleConfig->group(QStringLiteral("General"));
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const int savedVersion = verGroup.readEntry<int>("ConfigVersion", 0);
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if (savedVersion < CurrentConfigVersion) {
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struct KeyInfo {
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const char *groupName;
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const char *oldKeyName;
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const char *newKeyName;
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};
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static const KeyInfo keys[] = {{"KonsoleWindow", "SaveGeometryOnExit", "RememberWindowSize"}};
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// Migrate renamed config keys
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for (const auto &[group, oldName, newName] : keys) {
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KConfigGroup cg = konsoleConfig->group(QLatin1String(group));
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if (cg.exists() && cg.hasKey(oldName)) {
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const bool value = cg.readEntry(oldName, false);
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cg.deleteEntry(oldName);
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cg.writeEntry(newName, value);
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}
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}
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// With 5.93 KColorSchemeManager from KConfigWidgets, handles the loading
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// and saving of the widget color scheme, and uses "ColorScheme" as the
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// entry name, so clean-up here
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KConfigGroup cg(konsoleConfig, QStringLiteral("UiSettings"));
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const QString schemeName = cg.readEntry("WindowColorScheme");
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cg.deleteEntry("WindowColorScheme");
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cg.writeEntry("ColorScheme", schemeName);
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verGroup.writeEntry("ConfigVersion", CurrentConfigVersion);
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konsoleConfig->sync();
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}
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}
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// ***
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// Entry point into the Konsole terminal application.
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// ***
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int main(int argc, char *argv[])
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{
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#ifdef PROFILE_STARTUP
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QElapsedTimer timer;
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timer.start();
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#endif
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/**
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* trigger initialisation of proper icon theme
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*/
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#if KICONTHEMES_VERSION >= QT_VERSION_CHECK(6, 3, 0)
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KIconTheme::initTheme();
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#endif
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#if HAVE_DBUS
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// Check if any of the arguments makes it impossible to re-use an existing process.
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// We need to do this manually and before creating a QApplication, because
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// QApplication takes/removes the Qt specific arguments that are incompatible.
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const bool needNewProcess = shouldUseNewProcess(argc, argv);
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if (!needNewProcess) { // We need to avoid crashing
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needToDeleteQApplication = true;
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}
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#endif
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auto app = new QApplication(argc, argv);
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#if HAVE_STYLE_MANAGER
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/**
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* trigger initialisation of proper application style
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*/
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KStyleManager::initStyle();
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#else
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/**
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* For Windows and macOS: use Breeze if available
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* Of all tested styles that works the best for us
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*/
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#if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
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QApplication::setStyle(QStringLiteral("breeze"));
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#endif
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#endif
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// fix the alt key, ensure we keep the current selected style as base
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app->setStyle(new MenuStyle(app->style()->name()));
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migrateRenamedConfigKeys();
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app->setWindowIcon(QIcon::fromTheme(QStringLiteral("utilities-terminal")));
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KLocalizedString::setApplicationDomain("konsole");
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KAboutData about(QStringLiteral("konsole"),
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i18nc("@title", "Konsole"),
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QStringLiteral(KONSOLE_VERSION),
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i18nc("@title", "Terminal emulator"),
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KAboutLicense::GPL_V2,
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i18nc("@info:credit", "(c) 1997-2022, The Konsole Developers"),
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QString(),
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QStringLiteral("https://konsole.kde.org/"));
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fillAboutData(about);
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KAboutData::setApplicationData(about);
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KCrash::initialize();
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QSharedPointer<QCommandLineParser> parser(new QCommandLineParser);
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parser->setApplicationDescription(about.shortDescription());
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about.setupCommandLine(parser.data());
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QStringList args = app->arguments();
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QStringList customCommand = Application::getCustomCommand(args);
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Application::populateCommandLineParser(parser.data());
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parser->process(args);
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about.processCommandLine(parser.data());
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#if HAVE_DBUS
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/// ! DON'T TOUCH THIS ! ///
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const KDBusService::StartupOption startupOption =
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Konsole::KonsoleSettings::useSingleInstance() && !needNewProcess ? KDBusService::Unique : KDBusService::Multiple;
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/// ! DON'T TOUCH THIS ! ///
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// If you need to change something here, add your logic _at the bottom_ of
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// shouldUseNewProcess(), after reading the explanations there for why you
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// probably shouldn't.
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atexit(deleteQApplication);
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// Ensure that we only launch a new instance if we need to
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// If there is already an instance running, we will quit here
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KDBusService dbusService(startupOption | KDBusService::NoExitOnFailure);
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needToDeleteQApplication = false;
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#endif
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// If we reach this location, there was no existing copy of Konsole
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// running, so create a new instance.
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Application konsoleApp(parser, customCommand);
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#if HAVE_DBUS
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// The activateRequested() signal is emitted when a second instance
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// of Konsole is started.
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QObject::connect(&dbusService, &KDBusService::activateRequested, &konsoleApp, &Application::slotActivateRequested);
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#endif
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if (app->isSessionRestored()) {
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restoreSession(konsoleApp);
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} else {
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// Do not finish starting Konsole due to:
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// 1. An argument was given to just printed info
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// 2. An invalid situation occurred
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const bool continueStarting = (konsoleApp.newInstance() != 0);
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if (!continueStarting) {
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delete app;
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return 0;
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}
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}
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#ifdef PROFILE_STARTUP
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qDebug() << "Construction completed in" << timer.elapsed() << "ms";
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QTimer::singleShot(0, [&timer]() {
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qDebug() << "Startup complete in" << timer.elapsed() << "ms";
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});
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#endif
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// Since we've allocated the QApplication on the heap for the KDBusService workaround,
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// we need to delete it manually before returning from main().
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int ret = app->exec();
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delete app;
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return ret;
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}
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bool shouldUseNewProcess(int argc, char *argv[])
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{
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// The "unique process" model of konsole is incompatible with some or all
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// Qt/KDE options. When those incompatible options are given, konsole must
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// use new process
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//
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// TODO: make sure the existing list is OK and add more incompatible options.
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// We need to manually parse the arguments because QApplication removes the
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// Qt specific arguments (like --reverse)
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QStringList arguments;
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arguments.reserve(argc);
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for (int i = 0; i < argc; i++) {
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arguments.append(QString::fromLocal8Bit(argv[i]));
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}
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if (arguments.contains(QLatin1String("--force-reuse"))) {
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return false;
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}
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// take Qt options into consideration
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QStringList qtProblematicOptions;
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qtProblematicOptions << QStringLiteral("--session") << QStringLiteral("--name") << QStringLiteral("--reverse") << QStringLiteral("--stylesheet")
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<< QStringLiteral("--graphicssystem");
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#if WITH_X11
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qtProblematicOptions << QStringLiteral("--display") << QStringLiteral("--visual");
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#endif
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for (const QString &option : std::as_const(qtProblematicOptions)) {
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if (arguments.contains(option)) {
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return true;
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}
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}
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// take KDE options into consideration
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QStringList kdeProblematicOptions;
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kdeProblematicOptions << QStringLiteral("--config") << QStringLiteral("--style");
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#if WITH_X11
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kdeProblematicOptions << QStringLiteral("--waitforwm");
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#endif
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for (const QString &option : std::as_const(kdeProblematicOptions)) {
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if (arguments.contains(option)) {
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return true;
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}
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}
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// if users have explicitly requested starting a new process
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// Support --nofork to retain argument compatibility with older
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// versions.
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if (arguments.contains(QStringLiteral("--separate")) || arguments.contains(QStringLiteral("--nofork"))) {
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return true;
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}
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// the only way to create new tab is to reuse existing Konsole process.
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if (arguments.contains(QStringLiteral("--new-tab"))) {
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return false;
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}
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// when starting Konsole from a terminal, a new process must be used
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// so that the current environment is propagated into the shells of the new
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// Konsole and any debug output or warnings from Konsole are written to
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// the current terminal
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bool hasControllingTTY = false;
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const int fd = QT_OPEN("/dev/tty", O_RDONLY);
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if (fd != -1) {
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hasControllingTTY = true;
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close(fd);
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}
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return hasControllingTTY;
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}
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void fillAboutData(KAboutData &aboutData)
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{
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aboutData.setOrganizationDomain("kde.org");
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aboutData.addAuthor(i18nc("@info:credit", "Kurt Hindenburg"),
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i18nc("@info:credit",
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"General maintainer, bug fixes and general"
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" improvements"),
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QStringLiteral("kurt.hindenburg@gmail.com"));
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aboutData.addAuthor(i18nc("@info:credit", "Robert Knight"),
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i18nc("@info:credit", "Previous maintainer, ported to KDE4"),
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QStringLiteral("robertknight@gmail.com"));
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aboutData.addAuthor(i18nc("@info:credit", "Lars Doelle"), i18nc("@info:credit", "Original author"), QStringLiteral("lars.doelle@on-line.de"));
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aboutData.addCredit(i18nc("@info:credit", "Ahmad Samir"),
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i18nc("@info:credit", "Major refactoring, bug fixes and major improvements"),
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QStringLiteral("a.samirh78@gmail.com"));
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aboutData.addCredit(i18nc("@info:credit", "Carlos Alves"),
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i18nc("@info:credit", "Major refactoring, bug fixes and major improvements"),
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QStringLiteral("cbc.alves@gmail.com"));
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aboutData.addCredit(i18nc("@info:credit", "Tomaz Canabrava"),
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i18nc("@info:credit", "Major refactoring, bug fixes and major improvements"),
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QStringLiteral("tcanabrava@kde.org"));
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aboutData.addCredit(i18nc("@info:credit", "Gustavo Carneiro"),
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i18nc("@info:credit", "Major refactoring, bug fixes and major improvements"),
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QStringLiteral("gcarneiroa@hotmail.com"));
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aboutData.addCredit(i18nc("@info:credit", "Edwin Pujols"),
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i18nc("@info:credit", "Bug fixes and general improvements"),
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QStringLiteral("edwin.pujols5@outlook.com"));
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aboutData.addCredit(i18nc("@info:credit", "Martin T. H. Sandsmark"),
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i18nc("@info:credit", "Bug fixes and general improvements"),
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QStringLiteral("martin.sandsmark@kde.org"));
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aboutData.addCredit(i18nc("@info:credit", "Nate Graham"), i18nc("@info:credit", "Bug fixes and general improvements"), QStringLiteral("nate@kde.org"));
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aboutData.addCredit(i18nc("@info:credit", "Mariusz Glebocki"),
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i18nc("@info:credit", "Bug fixes and major improvements"),
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QStringLiteral("mglb@arccos-1.net"));
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aboutData.addCredit(i18nc("@info:credit", "Thomas Surrel"),
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i18nc("@info:credit", "Bug fixes and general improvements"),
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QStringLiteral("thomas.surrel@protonmail.com"));
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aboutData.addCredit(i18nc("@info:credit", "Jekyll Wu"), i18nc("@info:credit", "Bug fixes and general improvements"), QStringLiteral("adaptee@gmail.com"));
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aboutData.addCredit(i18nc("@info:credit", "Waldo Bastian"), i18nc("@info:credit", "Bug fixes and general improvements"), QStringLiteral("bastian@kde.org"));
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aboutData.addCredit(i18nc("@info:credit", "Stephan Binner"), i18nc("@info:credit", "Bug fixes and general improvements"), QStringLiteral("binner@kde.org"));
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aboutData.addCredit(i18nc("@info:credit", "Thomas Dreibholz"), i18nc("@info:credit", "General improvements"), QStringLiteral("dreibh@iem.uni-due.de"));
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aboutData.addCredit(i18nc("@info:credit", "Chris Machemer"), i18nc("@info:credit", "Bug fixes"), QStringLiteral("machey@ceinetworks.com"));
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aboutData.addCredit(i18nc("@info:credit", "Francesco Cecconi"), i18nc("@info:credit", "Bug fixes"), QStringLiteral("francesco.cecconi@gmail.com"));
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aboutData.addCredit(i18nc("@info:credit", "Stephan Kulow"), i18nc("@info:credit", "Solaris support and history"), QStringLiteral("coolo@kde.org"));
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aboutData.addCredit(i18nc("@info:credit", "Alexander Neundorf"),
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i18nc("@info:credit", "Bug fixes and improved startup performance"),
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QStringLiteral("neundorf@kde.org"));
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aboutData.addCredit(i18nc("@info:credit", "Peter Silva"), i18nc("@info:credit", "Marking improvements"), QStringLiteral("Peter.A.Silva@gmail.com"));
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aboutData.addCredit(i18nc("@info:credit", "Lotzi Boloni"),
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i18nc("@info:credit",
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"Embedded Konsole\n"
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"Toolbar and session names"),
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QStringLiteral("boloni@cs.purdue.edu"));
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aboutData.addCredit(i18nc("@info:credit", "David Faure"),
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i18nc("@info:credit",
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"Embedded Konsole\n"
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"General improvements"),
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QStringLiteral("faure@kde.org"));
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aboutData.addCredit(i18nc("@info:credit", "Antonio Larrosa"), i18nc("@info:credit", "Visual effects"), QStringLiteral("larrosa@kde.org"));
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aboutData.addCredit(i18nc("@info:credit", "Matthias Ettrich"),
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i18nc("@info:credit",
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"Code from the kvt project\n"
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"General improvements"),
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QStringLiteral("ettrich@kde.org"));
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aboutData.addCredit(i18nc("@info:credit", "Warwick Allison"),
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i18nc("@info:credit", "Schema and text selection improvements"),
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QStringLiteral("warwick@troll.no"));
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aboutData.addCredit(i18nc("@info:credit", "Dan Pilone"), i18nc("@info:credit", "SGI port"), QStringLiteral("pilone@slac.com"));
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aboutData.addCredit(i18nc("@info:credit", "Kevin Street"), i18nc("@info:credit", "FreeBSD port"), QStringLiteral("street@iname.com"));
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aboutData.addCredit(i18nc("@info:credit", "Sven Fischer"), i18nc("@info:credit", "Bug fixes"), QStringLiteral("herpes@kawo2.renditionwth-aachen.de"));
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aboutData.addCredit(i18nc("@info:credit", "Dale M. Flaven"), i18nc("@info:credit", "Bug fixes"), QStringLiteral("dflaven@netport.com"));
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aboutData.addCredit(i18nc("@info:credit", "Martin Jones"), i18nc("@info:credit", "Bug fixes"), QStringLiteral("mjones@powerup.com.au"));
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aboutData.addCredit(i18nc("@info:credit", "Lars Knoll"), i18nc("@info:credit", "Bug fixes"), QStringLiteral("knoll@mpi-hd.mpg.de"));
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aboutData.addCredit(i18nc("@info:credit", "Thanks to many others.\n"));
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}
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void restoreSession(Application &app)
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{
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int n = 1;
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while (KMainWindow::canBeRestored(n)) {
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auto mainWindow = app.newMainWindow();
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mainWindow->restore(n++);
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mainWindow->viewManager()->toggleActionsBasedOnState();
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mainWindow->show();
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// TODO: HACK without the code below the sessions would be `uninitialized`
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// and the tabs wouldn't display the correct information.
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auto tabbedContainer = qobject_cast<Konsole::TabbedViewContainer *>(mainWindow->centralWidget());
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for (int i = 0; i < tabbedContainer->count(); i++) {
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tabbedContainer->setCurrentIndex(i);
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}
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}
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}
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