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	diff --git a/src/kleopatra.rc b/src/kleopatra.rc
	index 0527e2785..78ed91379 100644
	--- a/src/kleopatra.rc
	+++ b/src/kleopatra.rc
	@@ -1,151 +1,152 @@
	<!DOCTYPE gui >
	<gui name="kleopatra" version="523" >
	<MenuBar>
	<Menu name="file">
	<text>&File</text>
	<Action name="file_new_certificate"/>
	<Action name="file_new_certificate_signing_request"/>
	<Separator/>
	<Action name="file_lookup_certificates"/>
	<Action name="file_import_certificates"/>
	<Separator/>
	<Action name="file_export_certificates"/>
	<Action name="file_export_secret_keys"/>
	<Action name="file_export_paper_key"/>
	<Action name="file_export_certificates_to_server"/>
	<Action name="file_export_certificate_to_provider"/>
	<Separator/>
	<Action name="file_decrypt_verify_files"/>
	<Action name="file_sign_encrypt_files"/>
	<Action name="file_sign_encrypt_folder"/>
	<Separator/>
	<Action name="file_checksum_create_files"/>
	<Action name="file_checksum_verify_files"/>
	<Separator/>
	<Action name="quit" />
	</Menu>
	<Menu name="certMenu">
	<text>&Certificates</text>
	<Action name="view_certificate_details"/>
	<Separator/>
	<Action name="certificates_refresh"/>
	<Separator/>
	<Action name="certificates_change_owner_trust"/>
	<Action name="certificates_disable"/>
	<Action name="certificates_trust_root"/>
	<Action name="certificates_distrust_root"/>
	<Separator/>
	<Action name="certificates_certify_certificate"/>
	<Action name="certificates_revoke_certification"/>
	<Separator/>
	<Action name="certificates_change_expiry"/>
	<Action name="certificates_change_passphrase"/>
	<Action name="certificates_add_userid"/>
	<Separator/>
	<Action name="certificates_revoke"/>
	<Action name="certificates_delete"/>
	<Separator/>
	<Action name="certificates_create_group"/>
	<Separator/>
	<Action name="certificate_to_card"/>
	</Menu>
	<Menu name="_tools">
	<text>&Tools</text>
	<Action name="settings_self_test"/>
	<Action name="tools_start_kwatchgnupg"/>
	<Action name="tools_debug_view"/>
	<Separator/>
	<Action name="pad_view"/>
	<Action name="manage_smartcard"/>
	<Separator/>
	<Action name="configure_groups"/>
	<Separator/>
	<Action name="clipboard_menu"/>
	<Separator/>
	<Action name="crl_import_crl"/>
	<Separator/>
	<Action name="crl_clear_crl_cache"/>
	<Action name="crl_dump_crl_cache"/>
	<Separator/>
	<Action name="tools_restart_backend"/>
	</Menu>
	<Menu name="_view">
	<text>&View</text>
	<Action name="view_redisplay"/>
	<Separator/>
	<Action name="window_view_hierarchical"/>
	<Separator/>
	<Action name="window_expand_all"/>
	<Action name="window_collapse_all"/>
	+ <Action name="columns_menu"/>
	<Separator/>
	<Action name="pad_view"/>
	<Action name="manage_smartcard"/>
	</Menu>
	<Menu name="settings">
	<text>&Settings</text>
	<Action name="colorscheme_menu" group="show_merge"/>
	</Menu>
	<Menu name="help">
	<text>&Help</text>
	<Action name="help_doc_quickguide"/>
	<Action name="help_doc_symenc"/>
	<Action name="help_doc_groups"/>
	<Action name="help_doc_gpgol"/>
	<Action name="help_doc_compendium"/>
	<Menu name="help_more">
	<text>&More Documentation</text>
	<Action name="help_doc_cert_management"/>
	<Action name="help_doc_smartcard"/>
	<Action name="help_doc_gnupg"/>
	</Menu>
	<Separator/>
	<Action name="help_doc_approval_manual"/>
	<Action name="help_doc_vsa"/>
	<Separator/>
	<Action name="help_check_updates"/>
	</Menu>
	</MenuBar>

	<ToolBar fullWidth="false" name="mainToolBar" iconText="TextUnderIcon">
	<text>Main Toolbar</text>
	<Action name="file_sign_encrypt_files"/>
	<Action name="file_decrypt_verify_files"/>
	<Separator/>
	<Action name="file_import_certificates"/>
	<Action name="file_export_certificates"/>
	<Action name="certificates_certify_certificate"/>
	<Action name="file_lookup_certificates"/>
	<Separator/>
	<Action name="pad_view"/>
	<Action name="manage_smartcard"/>
	<Separator/>
	<Action name="configure_groups_toolbar"/>
	</ToolBar>

	<Menu name="listview_popup">
	<text>&Certificates</text>
	<Action name="view_certificate_details"/>
	<Separator/>
	<Action name="certificates_refresh"/>
	<Separator/>
	<Action name="certificates_certify_certificate"/>
	<Action name="certificates_revoke_certification"/>
	<Action name="certificates_change_owner_trust"/>
	<Action name="certificates_disable"/>
	<Separator/>
	<Action name="certificates_change_expiry"/>
	<Action name="certificates_change_passphrase"/>
	<Action name="certificates_add_userid"/>
	<Separator/>
	<Action name="certificates_revoke"/>
	<Separator/>
	<Action name="certificates_create_group"/>
	<Separator/>
	<Action name="file_export_certificates"/>
	<Action name="file_export_secret_keys"/>
	<Action name="file_export_certificates_to_server"/>
	<Separator/>
	<Action name="cell_copy"/>
	</Menu>

	</gui>
	diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
	index 7e12065bf..5cde0e459 100644
	--- a/src/mainwindow.cpp
	+++ b/src/mainwindow.cpp
	@@ -1,910 +1,965 @@
	/*
	This file is part of Kleopatra, the KDE keymanager
	SPDX-FileCopyrightText: 2007 Klarälvdalens Datakonsult AB

	SPDX-License-Identifier: GPL-2.0-or-later
	*/

	#include "mainwindow.h"
	#include "kleopatraapplication.h"
	#include "settings.h"
	#include <config-kleopatra.h>

	#include <interfaces/focusfirstchild.h>

	#include "view/keycacheoverlay.h"
	#include "view/keylistcontroller.h"
	#include "view/searchbar.h"
	#include "view/tabwidget.h"
	#include "view/welcomewidget.h"

	#include "commands/decryptverifyfilescommand.h"
	#include "commands/importcertificatefromfilecommand.h"
	#include "commands/importcrlcommand.h"
	#include "commands/selftestcommand.h"
	#include "commands/signencryptfilescommand.h"

	#include "utils/action_data.h"
	#include "utils/clipboardmenu.h"
	#include "utils/detail_p.h"
	#include "utils/filedialog.h"
	#include "utils/gui-helper.h"
	#include "utils/keyexportdraghandler.h"
	#include "utils/userinfo.h"

	#include <Libkleo/ApplicationPaletteWatcher>
	#include <Libkleo/GnuPG>

	#include "dialogs/debugdialog.h"
	#include "dialogs/padwindow.h"
	#include "dialogs/updatenotification.h"

	// needed for GPGME_VERSION_NUMBER
	#include <gpgme.h>

	#include "kleopatra_debug.h"
	#include <KAboutData>
	#include <KActionCollection>
	#include <KActionMenu>
	#include <KColorScheme>
	#include <KColorSchemeManager>
	#include <KColorSchemeMenu>
	#include <KConfigDialog>
	#include <KConfigGroup>
	#include <KEditToolBar>
	#include <KHelpMenu>
	#include <KLocalizedString>
	#include <KMessageBox>
	#include <KShortcutsDialog>
	#include <KStandardAction>
	#include <KStandardGuiItem>
	#include <KToolBar>
	#include <KXMLGUIFactory>
	#include <QAction>
	#include <QApplication>
	#include <QLineEdit>
	#include <QSize>

	#include <QAbstractItemView>
	#include <QCloseEvent>
	#include <QDesktopServices>
	#include <QDir>
	#include <QLabel>
	#include <QMenu>
	#include <QMimeData>
	#include <QPixmap>
	#include <QProcess>
	#include <QSettings>
	#include <QStackedWidget>
	#include <QStatusBar>
	#include <QTimer>
	#include <QVBoxLayout>

	#include <Libkleo/Classify>
	#include <Libkleo/Compliance>
	#include <Libkleo/DocAction>
	#include <Libkleo/Formatting>
	#include <Libkleo/GnuPG>
	#include <Libkleo/KeyCache>
	#include <Libkleo/KeyListModel>
	#include <Libkleo/KeyListSortFilterProxyModel>
	#include <Libkleo/Stl_Util>
	#include <Libkleo/SystemInfo>

	#include <KSharedConfig>

	#include <chrono>
	#include <vector>
	using namespace std::chrono_literals;

	using namespace Kleo;
	using namespace Kleo::Commands;
	using namespace GpgME;

	using namespace Qt::Literals::StringLiterals;

	static KGuiItem KStandardGuiItem_quit()
	{
	static const QString app = KAboutData::applicationData().displayName();
	KGuiItem item = KStandardGuiItem::quit();
	item.setText(xi18nc("@action:button", "&Quit <application>%1</application>", app));
	return item;
	}

	static KGuiItem KStandardGuiItem_close()
	{
	KGuiItem item = KStandardGuiItem::close();
	item.setText(i18nc("@action:button", "Only &Close Window"));
	return item;
	}

	static bool isQuitting = false;

	namespace
	{

	class CertificateView : public QWidget, public FocusFirstChild
	{
	Q_OBJECT
	public:
	explicit CertificateView(QWidget *parent = nullptr)
	: QWidget{parent}
	, ui{this}
	{
	}

	SearchBar *searchBar() const
	{
	return ui.searchBar;
	}

	TabWidget *tabWidget() const
	{
	return ui.tabWidget;
	}

	void focusFirstChild(Qt::FocusReason reason) override
	{
	ui.searchBar->lineEdit()->setFocus(reason);
	}

	private:
	struct UI {
	TabWidget *tabWidget = nullptr;
	SearchBar *searchBar = nullptr;
	explicit UI(CertificateView *q)
	{
	auto vbox = new QVBoxLayout{q};
	vbox->setSpacing(0);

	searchBar = new SearchBar{q};
	vbox->addWidget(searchBar);
	tabWidget = new TabWidget{KeyTreeView::Option::NoDefaultContextMenu, q};
	vbox->addWidget(tabWidget);

	tabWidget->connectSearchBar(searchBar);
	}
	} ui;
	};

	}

	class MainWindow::Private
	{
	friend class ::MainWindow;
	MainWindow *const q;

	public:
	explicit Private(MainWindow *qq);
	~Private();

	template<typename T>
	void createAndStart()
	{
	(new T(this->currentView(), &this->controller))->start();
	}
	template<typename T>
	void createAndStart(QAbstractItemView *view)
	{
	(new T(view, &this->controller))->start();
	}
	template<typename T>
	void createAndStart(const QStringList &a)
	{
	(new T(a, this->currentView(), &this->controller))->start();
	}
	template<typename T>
	void createAndStart(const QStringList &a, QAbstractItemView *view)
	{
	(new T(a, view, &this->controller))->start();
	}

	void closeAndQuit()
	{
	if (qApp->quitOnLastWindowClosed()) {
	qApp->quit();
	}

	const QString app = KAboutData::applicationData().displayName();
	const int rc = KMessageBox::questionTwoActionsCancel(q,
	xi18nc("@info",
	"<application>%1</application> may be used by other applications as a service.<nl/>"
	"You may instead want to close this window without exiting <application>%1</application>.",
	app),
	i18nc("@title:window", "Really Quit?"),
	KStandardGuiItem_close(),
	KStandardGuiItem_quit(),
	KStandardGuiItem::cancel(),
	QLatin1StringView("really-quit-") + app.toLower());
	if (rc == KMessageBox::Cancel) {
	return;
	}
	isQuitting = rc == KMessageBox::ButtonCode::SecondaryAction;
	if (!q->close()) {
	return;
	}
	// WARNING: 'this' might be deleted at this point!
	if (rc == KMessageBox::ButtonCode::SecondaryAction) {
	qApp->quit();
	}
	}
	void configureToolbars()
	{
	KEditToolBar dlg(q->factory());
	dlg.exec();
	}
	void editKeybindings()
	{
	KShortcutsDialog::showDialog(q->actionCollection(), KShortcutsEditor::LetterShortcutsAllowed, q);
	updateSearchBarClickMessage();
	}

	void updateSearchBarClickMessage()
	{
	const QString shortcutStr = focusToClickSearchAction->shortcut().toString(QKeySequence::NativeText);
	ui.searchTab->searchBar()->updateClickMessage(shortcutStr);
	}

	void updateStatusBar()
	{
	auto statusBar = std::make_unique<QStatusBar>();
	auto settings = KleopatraApplication::instance()->distributionSettings();
	bool showStatusbar = false;
	if (settings) {
	const QString statusline = settings->value(QStringLiteral("statusline"), {}).toString();
	if (!statusline.isEmpty()) {
	auto customStatusLbl = new QLabel(statusline);
	statusBar->insertWidget(0, customStatusLbl);
	showStatusbar = true;
	}
	}
	if (DeVSCompliance::isActive()) {
	auto statusLbl = std::make_unique<QLabel>(DeVSCompliance::name());
	{
	auto statusPalette = qApp->palette();
	KColorScheme::adjustForeground(statusPalette,
	DeVSCompliance::isCompliant() ? KColorScheme::NormalText : KColorScheme::NegativeText,
	statusLbl->foregroundRole(),
	KColorScheme::View);
	statusLbl->setAutoFillBackground(true);
	KColorScheme::adjustBackground(statusPalette,
	DeVSCompliance::isCompliant() ? KColorScheme::PositiveBackground : KColorScheme::NegativeBackground,
	QPalette::Window,
	KColorScheme::View);
	statusLbl->setPalette(statusPalette);
	}
	statusBar->insertPermanentWidget(0, statusLbl.release());
	showStatusbar = true;
	}

	if (showStatusbar) {
	q->setStatusBar(statusBar.release()); // QMainWindow takes ownership
	} else {
	q->setStatusBar(nullptr);
	}
	}

	void selfTest()
	{
	createAndStart<SelfTestCommand>();
	}

	void configureGroups()
	{
	// open groups config dialog as independent top-level window
	KleopatraApplication::instance()->openOrRaiseGroupsConfigDialog(nullptr);
	}

	void showHandbook();

	void gnupgLogViewer()
	{
	// Warning: Don't assume that the program needs to be in PATH. On Windows, it will also be found next to the calling process.
	if (!QProcess::startDetached(QStringLiteral("kwatchgnupg"), QStringList()))
	KMessageBox::error(q,
	i18n("Could not start the GnuPG Log Viewer (kwatchgnupg). "
	"Please check your installation."),
	i18n("Error Starting KWatchGnuPG"));
	}

	void forceUpdateCheck()
	{
	UpdateNotification::forceUpdateCheck(q);
	}

	void slotConfigCommitted();
	void slotContextMenuRequested(QAbstractItemView *, const QPoint &p)
	{
	if (auto const menu = qobject_cast<QMenu *>(q->factory()->container(QStringLiteral("listview_popup"), q))) {
	menu->exec(p);
	} else {
	qCDebug(KLEOPATRA_LOG) << "no \"listview_popup\" <Menu> in kleopatra's ui.rc file";
	}
	}

	void slotFocusQuickSearch()
	{
	ui.searchTab->searchBar()->lineEdit()->setFocus();
	}

	void showView(QWidget *widget)
	{
	ui.stackWidget->setCurrentWidget(widget);
	if (auto ffci = dynamic_cast<Kleo::FocusFirstChild *>(widget)) {
	ffci->focusFirstChild(Qt::TabFocusReason);
	}
	}

	void showPadView()
	{
	auto padWindow = new PadWindow();
	padWindow->setAttribute(Qt::WA_DeleteOnClose);
	padWindow->show();
	}

	void restartDaemons()
	{
	Kleo::restartGpgAgent();
	}

	private:
	void setupActions();

	QAbstractItemView *currentView() const
	{
	return ui.searchTab->tabWidget()->currentView();
	}

	void keyListingDone()
	{
	if (KeyCache::instance()->keys().empty()) {
	showView(ui.welcomeWidget);
	} else {
	showView(ui.searchTab);
	}
	}

	private:
	ApplicationPaletteWatcher appPaletteWatcher;
	Kleo::KeyListController controller;
	bool firstShow : 1;
	struct UI {
	CertificateView *searchTab = nullptr;
	WelcomeWidget *welcomeWidget = nullptr;
	QStackedWidget *stackWidget = nullptr;
	+ KActionMenu *columnsMenu = nullptr;
	+ QList<QAction *> actions;
	+ TreeView *previousTreeView = nullptr;
	explicit UI(MainWindow *q);
	} ui;
	QAction *focusToClickSearchAction = nullptr;
	ClipboardMenu *clipboadMenu = nullptr;
	};

	MainWindow::Private::UI::UI(MainWindow *q)
	{
	auto mainWidget = new QWidget{q};
	auto mainLayout = new QVBoxLayout(mainWidget);
	mainLayout->setContentsMargins({});
	stackWidget = new QStackedWidget{q};

	searchTab = new CertificateView{q};
	stackWidget->addWidget(searchTab);

	new KeyCacheOverlay(mainWidget, q);

	welcomeWidget = new WelcomeWidget{q};
	stackWidget->addWidget(welcomeWidget);

	mainLayout->addWidget(stackWidget);

	q->setCentralWidget(mainWidget);
	}

	MainWindow::Private::Private(MainWindow *qq)
	: q(qq)
	, controller(q)
	, firstShow(true)
	, ui(q)
	{
	Q_SET_OBJECT_NAME(controller);

	AbstractKeyListModel *flatModel = AbstractKeyListModel::createFlatKeyListModel(q);
	AbstractKeyListModel *hierarchicalModel = AbstractKeyListModel::createHierarchicalKeyListModel(q);

	Q_SET_OBJECT_NAME(flatModel);
	Q_SET_OBJECT_NAME(hierarchicalModel);

	// check for GpgME >= 1.24.0
	#if GPGME_VERSION_NUMBER >= 0x011800 && !defined(Q_OS_WIN)
	auto keyExportDragHandler = std::make_shared<KeyExportDragHandler>();
	flatModel->setDragHandler(keyExportDragHandler);
	hierarchicalModel->setDragHandler(keyExportDragHandler);
	#endif

	controller.setFlatModel(flatModel);
	controller.setHierarchicalModel(hierarchicalModel);
	controller.setTabWidget(ui.searchTab->tabWidget());

	ui.searchTab->tabWidget()->setFlatModel(flatModel);
	ui.searchTab->tabWidget()->setHierarchicalModel(hierarchicalModel);

	setupActions();

	ui.stackWidget->setCurrentWidget(ui.searchTab);

	connect(&controller, SIGNAL(contextMenuRequested(QAbstractItemView , QPoint)), q, SLOT(slotContextMenuRequested(QAbstractItemView , QPoint)));
	connect(KeyCache::instance().get(), &KeyCache::keyListingDone, q, [this]() {
	keyListingDone();
	});

	q->createGUI(QStringLiteral("kleopatra.rc"));

	if (auto helpMenu = q->findChild<KHelpMenu *>()) {
	qCDebug(KLEOPATRA_LOG) << "Hook into the help menu to show the About dialog ourselves";
	connect(helpMenu, &KHelpMenu::showAboutApplication, KleopatraApplication::instance(), &KleopatraApplication::showAboutDialog);
	}

	// make toolbar buttons accessible by keyboard
	auto toolbar = q->findChild<KToolBar *>();
	if (toolbar) {
	const auto toolbarButtons = toolbar->findChildren<QToolButton *>();
	for (auto b : toolbarButtons) {
	b->setFocusPolicy(Qt::TabFocus);
	}
	// move toolbar and its child widgets before the central widget in the tab order;
	// this is necessary to make Shift+Tab work as expected
	forceSetTabOrder(q, toolbar);
	auto toolbarChildren = toolbar->findChildren<QWidget *>();
	std::for_each(std::rbegin(toolbarChildren), std::rend(toolbarChildren), [toolbar](auto w) {
	forceSetTabOrder(toolbar, w);
	});
	}

	if (auto action = q->actionCollection()->action(QStringLiteral("help_whats_this"))) {
	delete action;
	}

	q->setAcceptDrops(true);

	// set default window size
	q->resize(QSize(1024, 500));
	q->setAutoSaveSettings();

	updateSearchBarClickMessage();
	connect(&appPaletteWatcher, &ApplicationPaletteWatcher::paletteChanged, q, [this]() {
	updateStatusBar();
	});
	connect(KleopatraApplication::instance(), &KleopatraApplication::distributionSettingsChanged, q, [this]() {
	updateStatusBar();
	});
	updateStatusBar();

	if (KeyCache::instance()->initialized()) {
	keyListingDone();
	}

	// delay setting the models to use the key cache so that the UI (including
	// the "Loading certificate cache..." overlay) is shown before the
	// blocking key cache initialization happens
	QMetaObject::invokeMethod(
	q,
	[flatModel, hierarchicalModel]() {
	flatModel->useKeyCache(true, KeyList::AllKeys);
	hierarchicalModel->useKeyCache(true, KeyList::AllKeys);
	},
	Qt::QueuedConnection);
	}

	MainWindow::Private::~Private()
	{
	}

	MainWindow::MainWindow(QWidget *parent, Qt::WindowFlags flags)
	: KXmlGuiWindow(parent, flags)
	, d(new Private(this))
	{
	}

	MainWindow::~MainWindow()
	{
	}

	void MainWindow::Private::setupActions()
	{
	KActionCollection *const coll = q->actionCollection();

	const std::vector<action_data> action_data = {
	// see keylistcontroller.cpp for more actions
	// Tools menu
	#ifndef Q_OS_WIN
	{
	"tools_start_kwatchgnupg",
	i18n("GnuPG Log Viewer"),
	QString(),
	"org.kde.kwatchgnupg",
	q,
	[this](bool) {
	gnupgLogViewer();
	},
	QString(),
	},
	#endif
	{
	"tools_debug_view",
	i18n("GnuPG Command Line"),
	QString(),
	"",
	q,
	[this](bool) {
	auto dialog = new DebugDialog(q);
	dialog->setAttribute(Qt::WA_DeleteOnClose);
	dialog->open();
	},
	QString(),
	},
	{
	"tools_restart_backend",
	i18nc("@action:inmenu", "Restart Background Processes"),
	i18nc("@info:tooltip", "Restart the background processes, e.g. after making changes to the configuration."),
	"view-refresh",
	q,
	[this](bool) {
	restartDaemons();
	},
	{},
	},
	// Help menu
	#ifdef Q_OS_WIN
	{
	"help_check_updates",
	i18n("Check for updates"),
	QString(),
	"gpg4win-compact",
	q,
	[this](bool) {
	forceUpdateCheck();
	},
	QString(),
	},
	#endif
	// View menu
	{
	"pad_view",
	i18nc("@action show input / output area for encrypting/signing resp. decrypting/verifying text", "Notepad"),
	i18n("Show pad for encrypting/decrypting and signing/verifying text"),
	"note",
	q,
	[this](bool) {
	showPadView();
	},
	QString(),
	},
	{
	"manage_smartcard",
	i18nc("@action show smartcard management view", "Smartcards"),
	i18n("Show smartcard management"),
	"auth-sim-locked",
	q,
	[](bool) {
	KleopatraApplication::instance()->openOrRaiseSmartCardWindow();
	},
	QString(),
	},
	// Settings menu
	{
	"settings_self_test",
	i18n("Perform Self-Test"),
	QString(),
	nullptr,
	q,
	[this](bool) {
	selfTest();
	},
	QString(),
	},
	{
	"configure_groups",
	i18n("Manage Groups..."),
	QString(),
	"group",
	q,
	[this](bool) {
	configureGroups();
	},
	QString(),
	},
	// Toolbar
	{
	"configure_groups_toolbar",
	i18nc("@action:intoolbar", "Groups"),
	QString(),
	"group",
	q,
	[this](bool) {
	configureGroups();
	},
	QString(),
	}};

	make_actions_from_data(action_data, coll);

	if (!Settings().groupsEnabled()) {
	if (auto action = coll->action(QStringLiteral("configure_groups"))) {
	delete action;
	}
	if (auto action = coll->action(QStringLiteral("configure_groups_toolbar"))) {
	delete action;
	}
	}

	KStandardAction::close(q, SLOT(close()), coll);
	KStandardAction::quit(q, SLOT(closeAndQuit()), coll);
	KStandardAction::configureToolbars(q, SLOT(configureToolbars()), coll);
	KStandardAction::keyBindings(q, SLOT(editKeybindings()), coll);
	KStandardAction::preferences(qApp, SLOT(openOrRaiseConfigDialog()), coll);

	auto manager = KColorSchemeManager::instance();
	KActionMenu *schemeMenu = KColorSchemeMenu::createMenu(manager, q);
	coll->addAction(QStringLiteral("colorscheme_menu"), schemeMenu->menu()->menuAction());

	focusToClickSearchAction = new QAction(i18nc("@action", "Set Focus to Quick Search"), q);
	coll->addAction(QStringLiteral("focus_to_quickseach"), focusToClickSearchAction);
	coll->setDefaultShortcut(focusToClickSearchAction, QKeySequence(Qt::ALT \| Qt::Key_Q));
	connect(focusToClickSearchAction, SIGNAL(triggered(bool)), q, SLOT(slotFocusQuickSearch()));
	clipboadMenu = new ClipboardMenu(q);
	clipboadMenu->setMainWindow(q);
	clipboadMenu->clipboardMenu()->setIcon(QIcon::fromTheme(QStringLiteral("edit-paste")));
	clipboadMenu->clipboardMenu()->setPopupMode(QToolButton::InstantPopup);
	coll->addAction(QStringLiteral("clipboard_menu"), clipboadMenu->clipboardMenu());

	+ ui.columnsMenu = new KActionMenu(i18nc("@action:inmenu", "Configure visible columns"), q);
	+ ui.columnsMenu->setPopupMode(QToolButton::InstantPopup);
	+ ui.columnsMenu->setIcon(QIcon::fromTheme(u"show_table_column"_s));
	+ coll->addAction(QStringLiteral("columns_menu"), ui.columnsMenu);
	+
	+ connect(ui.searchTab->tabWidget(),
	+ &TabWidget::viewAdded,
	+ q,
	+ &MainWindow::setupColumnVisibility,
	+ (Qt::ConnectionType)(Qt::SingleShotConnection \| Qt::QueuedConnection));
	+
	/* Add additional help actions for documentation */
	const auto compendium = new DocAction(QIcon{u":/gpg4win/gpg4win-compact"_s},
	i18n("Gpg4win Compendium"),
	i18nc("The Gpg4win compendium is only available"
	"at this point (24.7.2017) in german and english."
	"Please check with Gpg4win before translating this filename.",
	"gpg4win-compendium-en.pdf"),
	QStringLiteral("../share/gpg4win"),
	QUrl(),
	coll);
	coll->addAction(QStringLiteral("help_doc_compendium"), compendium);

	/* Documentation centered around the german approved VS-NfD mode for official
	* RESTRICTED communication. This is only available in some distributions with
	* the focus on official communications. */
	const auto quickguide =
	new DocAction(QIcon::fromTheme(QStringLiteral("help-contextual")),
	i18n("&Quick Guide Encrypt and Sign"),
	i18nc("Only available in German and English. Leave to English for other languages.", "encrypt_and_sign_gnupgvsd_en.pdf"),
	QStringLiteral("../share/doc/gnupg-vsd"),
	QUrl(),
	coll);
	coll->addAction(QStringLiteral("help_doc_quickguide"), quickguide);

	coll->addAction(QStringLiteral("help_doc_symenc"), createSymmetricGuideAction(coll).release());

	const auto groups = new DocAction(QIcon::fromTheme(QStringLiteral("help-contextual")),
	i18n("Certificate &Groups"),
	i18nc("Only available in German and English. Leave to English for other languages.", "groupfeature_gnupgvsd_en.pdf"),
	QStringLiteral("../share/doc/gnupg-vsd"),
	QUrl(),
	coll);
	coll->addAction(QStringLiteral("help_doc_groups"), groups);

	#ifdef Q_OS_WIN
	const auto gpgol =
	new DocAction(QIcon::fromTheme(QStringLiteral("help-contextual")),
	i18n("&Mail Encryption in Outlook"),
	i18nc("Only available in German and English. Leave to English for other languages. Only shown on Windows.", "gpgol_outlook_addin_en.pdf"),
	QStringLiteral("../share/doc/gnupg-vsd"),
	QUrl(),
	coll);
	coll->addAction(QStringLiteral("help_doc_gpgol"), gpgol);
	#endif

	/* The submenu with advanced topics */
	const auto certmngmnt =
	new DocAction(QIcon::fromTheme(QStringLiteral("help-contextual")),
	i18n("&Certification Management"),
	i18nc("Only available in German and English. Leave to English for other languages.", "certification_management_gnupgvsd_en.pdf"),
	QStringLiteral("../share/doc/gnupg-vsd"),
	QUrl(),
	coll);
	coll->addAction(QStringLiteral("help_doc_cert_management"), certmngmnt);

	const auto smartcard =
	new DocAction(QIcon::fromTheme(QStringLiteral("help-contextual")),
	i18n("&Smartcard Setup"),
	i18nc("Only available in German and English. Leave to English for other languages.", "smartcard_setup_gnupgvsd_en.pdf"),
	QStringLiteral("../share/doc/gnupg-vsd"),
	QUrl(),
	coll);
	coll->addAction(QStringLiteral("help_doc_smartcard"), smartcard);

	const auto man_gnupg = new DocAction(QIcon::fromTheme(QStringLiteral("help-contextual")),
	i18n("GnuPG Command&line"),
	QStringLiteral("gnupg_manual_en.pdf"),
	QStringLiteral("../share/doc/gnupg-vsd"),
	QUrl(QStringLiteral("https://gnupg.org/documentation/manuals/gnupg/")),
	coll);
	coll->addAction(QStringLiteral("help_doc_gnupg"), man_gnupg);

	/* The secops */
	const auto approvalmanual =
	new DocAction(QIcon::fromTheme(QStringLiteral("dvipdf")),
	i18n("Manual for VS-NfD Approval"),
	i18nc("Only available in German and English. Keep the English file name for other languages.", "handbuch_zulassung_gnupgvsd_en.pdf"),
	QStringLiteral("../share/doc/gnupg-vsd"),
	QUrl(),
	coll);
	coll->addAction(QStringLiteral("help_doc_approval_manual"), approvalmanual);

	const auto vsa =
	new DocAction(QIcon::fromTheme(QStringLiteral("dvipdf")),
	i18n("SecOps for VS-NfD Approval"),
	i18nc("Only available in German and English. Keep the English file name for other languages.", "BSI-VSA-10867_ENG_secops.pdf"),
	QStringLiteral("../share/doc/gnupg-vsd"),
	QUrl(),
	coll);
	coll->addAction(QStringLiteral("help_doc_vsa"), vsa);

	q->setStandardToolBarMenuEnabled(true);

	controller.createActions(coll);

	ui.searchTab->tabWidget()->createActions(coll);
	}

	void MainWindow::Private::slotConfigCommitted()
	{
	controller.updateConfig();
	updateStatusBar();
	}

	bool MainWindow::queryClose()
	{
	qCDebug(KLEOPATRA_LOG) << __func__;
	if (d->controller.hasRunningCommands()) {
	if (d->controller.shutdownWarningRequired()) {
	const int ret = KMessageBox::warningContinueCancel(this,
	i18n("There are still some background operations ongoing. "
	"These will be terminated when closing the window. "
	"Proceed?"),
	i18n("Ongoing Background Tasks"));
	if (ret != KMessageBox::Continue) {
	return false;
	}
	}
	d->controller.cancelCommands();
	if (d->controller.hasRunningCommands()) {
	// wait for them to be finished:
	setEnabled(false);
	QEventLoop ev;
	QTimer::singleShot(100ms, &ev, &QEventLoop::quit);
	connect(&d->controller, &KeyListController::commandsExecuting, &ev, &QEventLoop::quit);
	ev.exec();
	if (d->controller.hasRunningCommands()) {
	qCWarning(KLEOPATRA_LOG) << "controller still has commands running, this may crash now...";
	}
	setEnabled(true);
	}
	}
	if (isQuitting \|\| qApp->isSavingSession() \|\| qApp->quitOnLastWindowClosed()) {
	d->ui.searchTab->tabWidget()->saveViews();
	return true;
	} else {
	hide();
	return false;
	}
	}

	void MainWindow::showEvent(QShowEvent *e)
	{
	KXmlGuiWindow::showEvent(e);
	if (d->firstShow) {
	d->ui.searchTab->tabWidget()->loadViews(KSharedConfig::openStateConfig(), QStringLiteral("KeyList"));
	d->firstShow = false;
	}

	if (!savedGeometry.isEmpty()) {
	restoreGeometry(savedGeometry);
	}
	}

	void MainWindow::hideEvent(QHideEvent *e)
	{
	savedGeometry = saveGeometry();
	KXmlGuiWindow::hideEvent(e);
	}

	void MainWindow::importCertificatesFromFile(const QStringList &files)
	{
	if (!files.empty()) {
	d->createAndStart<ImportCertificateFromFileCommand>(files);
	}
	}

	static QStringList extract_local_files(const QMimeData *data)
	{
	const QList<QUrl> urls = data->urls();
	// begin workaround KDE/Qt misinterpretation of text/uri-list
	QList<QUrl>::const_iterator end = urls.end();
	if (urls.size() > 1 && !urls.back().isValid()) {
	--end;
	}
	// end workaround
	QStringList result;
	std::transform(urls.begin(), end, std::back_inserter(result), std::mem_fn(&QUrl::toLocalFile));
	result.erase(std::remove_if(result.begin(), result.end(), std::mem_fn(&QString::isEmpty)), result.end());
	return result;
	}

	static bool can_decode_local_files(const QMimeData *data)
	{
	if (!data) {
	return false;
	}
	return !extract_local_files(data).empty();
	}

	void MainWindow::dragEnterEvent(QDragEnterEvent *e)
	{
	qCDebug(KLEOPATRA_LOG);

	if (can_decode_local_files(e->mimeData())) {
	e->acceptProposedAction();
	}
	}

	void MainWindow::dropEvent(QDropEvent *e)
	{
	qCDebug(KLEOPATRA_LOG);

	if (e->source()) {
	// The event comes from kleopatra itself; we don't want to import in this case.
	return;
	}

	if (!can_decode_local_files(e->mimeData())) {
	return;
	}

	e->setDropAction(Qt::CopyAction);

	const QStringList files = extract_local_files(e->mimeData());

	KleopatraApplication::instance()->handleFiles(files);

	e->accept();
	}

	void MainWindow::readProperties(const KConfigGroup &cg)
	{
	qCDebug(KLEOPATRA_LOG);
	KXmlGuiWindow::readProperties(cg);
	setHidden(cg.readEntry("hidden", false));
	}

	void MainWindow::saveProperties(KConfigGroup &cg)
	{
	qCDebug(KLEOPATRA_LOG);
	KXmlGuiWindow::saveProperties(cg);
	cg.writeEntry("hidden", isHidden());
	}

	KeyListController *MainWindow::keyListController()
	{
	return &d->controller;
	}

	std::unique_ptr<DocAction> MainWindow::createSymmetricGuideAction(QObject *parent)
	{
	return std::make_unique<DocAction>(
	QIcon::fromTheme(QStringLiteral("help-contextual")),
	i18n("&Password-based Encryption"),
	i18nc("Only available in German and English. Leave to English for other languages.", "symmetric_encryption_gnupgvsd_en.pdf"),
	QStringLiteral("../share/doc/gnupg-vsd"),
	QUrl(),
	parent);
	}

	+void MainWindow::setupColumnVisibility()
	+{
	+ const auto model = d->ui.searchTab->tabWidget()->currentView()->model();
	+
	+ for (auto i = 0; i < model->columnCount(); ++i) {
	+ auto action = new QAction(this);
	+ action->setText(model->headerData(i, Qt::Horizontal, Qt::DisplayRole).toString());
	+ action->setCheckable(true);
	+ d->ui.columnsMenu->addAction(action);
	+ d->ui.actions += action;
	+ }
	+ connect(d->ui.searchTab->tabWidget(), &TabWidget::currentViewChanged, this, &MainWindow::connectColumnVisibility);
	+ connectColumnVisibility();
	+}
	+
	+void MainWindow::connectColumnVisibility()
	+{
	+ if (d->ui.previousTreeView) {
	+ disconnect(d->ui.previousTreeView, &TreeView::columnEnabled, this, nullptr);
	+ disconnect(d->ui.previousTreeView, &TreeView::columnDisabled, this, nullptr);
	+ }
	+
	+ auto treeView = dynamic_cast<TreeView *>(d->ui.searchTab->tabWidget()->currentView());
	+ const auto model = d->ui.searchTab->tabWidget()->currentView()->model();
	+
	+ for (auto i = 0; i < model->columnCount(); ++i) {
	+ disconnect(d->ui.actions[i], &QAction::triggered, this, nullptr);
	+ d->ui.actions[i]->setChecked(!treeView->isColumnHidden(i));
	+ connect(d->ui.actions[i], &QAction::triggered, this, [this, i, treeView]() {
	+ treeView->setColumnHidden(i, !d->ui.actions[i]->isChecked());
	+ });
	+ }
	+ connect(treeView, &TreeView::columnDisabled, this, [this](const auto index) {
	+ d->ui.actions[index]->setChecked(false);
	+ });
	+ connect(treeView, &TreeView::columnEnabled, this, [this](const auto index) {
	+ d->ui.actions[index]->setChecked(true);
	+ });
	+ d->ui.previousTreeView = treeView;
	+}
	+
	#include "mainwindow.moc"
	#include "moc_mainwindow.cpp"
	diff --git a/src/mainwindow.h b/src/mainwindow.h
	index 82ccb7ee1..955c176cc 100644
	--- a/src/mainwindow.h
	+++ b/src/mainwindow.h
	@@ -1,58 +1,61 @@
	/*
	This file is part of Kleopatra, the KDE keymanager
	SPDX-FileCopyrightText: 2007 Klarälvdalens Datakonsult AB

	SPDX-FileCopyrightText: 2016 Bundesamt für Sicherheit in der Informationstechnik
	SPDX-FileContributor: Intevation GmbH

	SPDX-License-Identifier: GPL-2.0-or-later
	*/

	#pragma once

	#include <KXmlGuiWindow>

	#include <memory>

	namespace Kleo
	{
	class KeyListController;
	class DocAction;
	}

	class MainWindow : public KXmlGuiWindow
	{
	Q_OBJECT
	public:
	explicit MainWindow(QWidget *parent = nullptr, Qt::WindowFlags f = {});
	~MainWindow() override;

	Kleo::KeyListController *keyListController();

	static std::unique_ptr<Kleo::DocAction> createSymmetricGuideAction(QObject *parent);

	public Q_SLOTS:
	void importCertificatesFromFile(const QStringList &files);

	protected:
	QByteArray savedGeometry;

	bool queryClose() override;
	void showEvent(QShowEvent *e) override;
	void hideEvent(QHideEvent *e) override;
	void dragEnterEvent(QDragEnterEvent *) override;
	void dropEvent(QDropEvent *) override;
	void readProperties(const KConfigGroup &cg) override;
	void saveProperties(KConfigGroup &cg) override;

	private:
	class Private;
	const std::unique_ptr<Private> d;
	Q_PRIVATE_SLOT(d, void closeAndQuit())
	Q_PRIVATE_SLOT(d, void configureToolbars())
	Q_PRIVATE_SLOT(d, void editKeybindings())
	Q_PRIVATE_SLOT(d, void slotConfigCommitted())
	Q_PRIVATE_SLOT(d, void slotContextMenuRequested(QAbstractItemView *, QPoint))
	Q_PRIVATE_SLOT(d, void slotFocusQuickSearch())
	Q_PRIVATE_SLOT(d, void showPadView())
	+
	+ void connectColumnVisibility();
	+ void setupColumnVisibility();
	};

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