dolphinmainwindow.cpp

/*
 * SPDX-FileCopyrightText: 2006 Peter Penz <peter.penz19@gmail.com>
 * SPDX-FileCopyrightText: 2006 Stefan Monov <logixoul@gmail.com>
 * SPDX-FileCopyrightText: 2006 Cvetoslav Ludmiloff <ludmiloff@gmail.com>
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#include "dolphinmainwindow.h"

#include "dolphinmainwindowadaptor.h"
#include "config-terminal.h"
#include "global.h"
#include "dolphinbookmarkhandler.h"
#include "dolphindockwidget.h"
#include "dolphincontextmenu.h"
#include "dolphinnavigatorswidgetaction.h"
#include "dolphinnewfilemenu.h"
#include "dolphinrecenttabsmenu.h"
#include "dolphinurlnavigatorscontroller.h"
#include "dolphinviewcontainer.h"
#include "dolphintabpage.h"
#include "middleclickactioneventfilter.h"
#include "panels/folders/folderspanel.h"
#include "panels/places/placesitemmodel.h"
#include "panels/places/placespanel.h"
#include "panels/information/informationpanel.h"
#include "panels/terminal/terminalpanel.h"
#include "settings/dolphinsettingsdialog.h"
#include "statusbar/dolphinstatusbar.h"
#include "views/dolphinviewactionhandler.h"
#include "views/dolphinremoteencoding.h"
#include "views/draganddrophelper.h"
#include "views/viewproperties.h"
#include "views/dolphinnewfilemenuobserver.h"
#include "dolphin_generalsettings.h"

#include <KActionCollection>
#include <KActionMenu>
#include <KAuthorized>
#include <KConfig>
#include <KConfigGui>
#include <KDualAction>
#include <KFileItemListProperties>
#include <KHelpMenu>
#include <KIO/CommandLauncherJob>
#include <KIO/JobUiDelegate>
#include <KIO/OpenFileManagerWindowJob>
#include <KIO/OpenUrlJob>
#include <KJobWidgets>
#include <KLocalizedString>
#include <KMessageBox>
#include <KNS3/KMoreToolsMenuFactory>
#include <KProtocolInfo>
#include <KProtocolManager>
#include <KShell>
#include <KStandardAction>
#include <KStartupInfo>
#include <KSycoca>
#include <KToggleAction>
#include <KToolBar>
#include <KToolBarPopupAction>
#include <KToolInvocation>
#include <KUrlComboBox>
#include <KUrlNavigator>
#include <KWindowSystem>

#include <QApplication>
#include <QClipboard>
#include <QCloseEvent>
#include <QDesktopServices>
#include <QDialog>
#include <QFileInfo>
#include <QLineEdit>
#include <QMenuBar>
#include <QPushButton>
#include <QShowEvent>
#include <QStandardPaths>
#include <QTimer>
#include <QToolButton>
#include <QWhatsThisClickedEvent>

namespace {
    // Used for GeneralSettings::version() to determine whether
    // an updated version of Dolphin is running.
    const int CurrentDolphinVersion = 200;
    // The maximum number of entries in the back/forward popup menu
    const int MaxNumberOfNavigationentries = 12;
    // The maximum number of "Activate Tab" shortcuts
    const int MaxActivateTabShortcuts = 9;
}

DolphinMainWindow::DolphinMainWindow() :
    KXmlGuiWindow(nullptr),
    m_newFileMenu(nullptr),
    m_helpMenu(nullptr),
    m_tabWidget(nullptr),
    m_activeViewContainer(nullptr),
    m_actionHandler(nullptr),
    m_remoteEncoding(nullptr),
    m_settingsDialog(),
    m_bookmarkHandler(nullptr),
    m_controlButton(nullptr),
    m_updateToolBarTimer(nullptr),
    m_lastHandleUrlOpenJob(nullptr),
    m_terminalPanel(nullptr),
    m_placesPanel(nullptr),
    m_tearDownFromPlacesRequested(false),
    m_backAction(nullptr),
    m_forwardAction(nullptr)
{
    Q_INIT_RESOURCE(dolphin);

    new MainWindowAdaptor(this);

#ifndef Q_OS_WIN
	setWindowFlags(Qt::WindowContextHelpButtonHint);
#endif
    setComponentName(QStringLiteral("dolphin"), QGuiApplication::applicationDisplayName());
    setObjectName(QStringLiteral("Dolphin#"));

    connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::errorMessage,
            this, &DolphinMainWindow::showErrorMessage);

    KIO::FileUndoManager* undoManager = KIO::FileUndoManager::self();
    undoManager->setUiInterface(new UndoUiInterface());

    connect(undoManager, QOverload<bool>::of(&KIO::FileUndoManager::undoAvailable),
            this, &DolphinMainWindow::slotUndoAvailable);
    connect(undoManager, &KIO::FileUndoManager::undoTextChanged,
            this, &DolphinMainWindow::slotUndoTextChanged);
    connect(undoManager, &KIO::FileUndoManager::jobRecordingStarted,
            this, &DolphinMainWindow::clearStatusBar);
    connect(undoManager, &KIO::FileUndoManager::jobRecordingFinished,
            this, &DolphinMainWindow::showCommand);

    const bool firstRun = (GeneralSettings::version() < 200);
    if (firstRun) {
        GeneralSettings::setViewPropsTimestamp(QDateTime::currentDateTime());
    }

    setAcceptDrops(true);

    auto *navigatorsWidgetAction = new DolphinNavigatorsWidgetAction(this);
    actionCollection()->addAction(QStringLiteral("url_navigators"), navigatorsWidgetAction);
    m_tabWidget = new DolphinTabWidget(navigatorsWidgetAction, this);
    m_tabWidget->setObjectName("tabWidget");
    connect(m_tabWidget, &DolphinTabWidget::activeViewChanged,
            this, &DolphinMainWindow::activeViewChanged);
    connect(m_tabWidget, &DolphinTabWidget::tabCountChanged,
            this, &DolphinMainWindow::tabCountChanged);
    connect(m_tabWidget, &DolphinTabWidget::currentUrlChanged,
            this, &DolphinMainWindow::updateWindowTitle);
    setCentralWidget(m_tabWidget);

    setupActions();

    m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
    connect(m_actionHandler, &DolphinViewActionHandler::actionBeingHandled, this, &DolphinMainWindow::clearStatusBar);
    connect(m_actionHandler, &DolphinViewActionHandler::createDirectoryTriggered, this, &DolphinMainWindow::createDirectory);

    m_remoteEncoding = new DolphinRemoteEncoding(this, m_actionHandler);
    connect(this, &DolphinMainWindow::urlChanged,
            m_remoteEncoding, &DolphinRemoteEncoding::slotAboutToOpenUrl);

    setupDockWidgets();

    setupGUI(Keys | Save | Create | ToolBar);
    stateChanged(QStringLiteral("new_file"));

    QClipboard* clipboard = QApplication::clipboard();
    connect(clipboard, &QClipboard::dataChanged,
            this, &DolphinMainWindow::updatePasteAction);

    QAction* toggleFilterBarAction = actionCollection()->action(QStringLiteral("toggle_filter"));
    toggleFilterBarAction->setChecked(GeneralSettings::filterBar());

    if (firstRun) {
        menuBar()->setVisible(false);
        // Assure a proper default size if Dolphin runs the first time
        resize(760, 550);
    }

    const bool showMenu = !menuBar()->isHidden();
    QAction* showMenuBarAction = actionCollection()->action(KStandardAction::name(KStandardAction::ShowMenubar));
    showMenuBarAction->setChecked(showMenu);  // workaround for bug #171080
    if (!showMenu) {
        createControlButton();
    }

    updateAllowedToolbarAreas();

    // enable middle-click on back/forward/up to open in a new tab
    auto *middleClickEventFilter = new MiddleClickActionEventFilter(this);
    connect(middleClickEventFilter, &MiddleClickActionEventFilter::actionMiddleClicked, this, &DolphinMainWindow::slotToolBarActionMiddleClicked);
    toolBar()->installEventFilter(middleClickEventFilter);

    setupWhatsThis();

    connect(KSycoca::self(), QOverload<>::of(&KSycoca::databaseChanged), this, &DolphinMainWindow::updateOpenPreferredSearchToolAction);

    QTimer::singleShot(0, this, &DolphinMainWindow::updateOpenPreferredSearchToolAction);
}

DolphinMainWindow::~DolphinMainWindow()
{
}

QVector<DolphinViewContainer*> DolphinMainWindow::viewContainers() const
{
    QVector<DolphinViewContainer*> viewContainers;

    for (int i = 0; i < m_tabWidget->count(); ++i) {
        DolphinTabPage *tabPage = m_tabWidget->tabPageAt(i);

        viewContainers << tabPage->primaryViewContainer();
        if (tabPage->splitViewEnabled()) {
            viewContainers << tabPage->secondaryViewContainer();
        }
    }
    return viewContainers;
}

void DolphinMainWindow::setViewsWithInvalidPathsToHome()
{
    const QVector<DolphinViewContainer*> theViewContainers = viewContainers();
    for (DolphinViewContainer *viewContainer : theViewContainers) {

        // Only consider local dirs, not remote locations and abstract protocols
        if (viewContainer->url().isLocalFile()) {
            if (!QFileInfo::exists(viewContainer->url().toLocalFile())) {
                viewContainer->setUrl(QUrl::fromLocalFile(QDir::homePath()));
            }
        }
    }
}

void DolphinMainWindow::openDirectories(const QList<QUrl>& dirs, bool splitView)
{
    m_tabWidget->openDirectories(dirs, splitView);
}

void DolphinMainWindow::openDirectories(const QStringList& dirs, bool splitView)
{
    openDirectories(QUrl::fromStringList(dirs), splitView);
}

void DolphinMainWindow::openFiles(const QList<QUrl>& files, bool splitView)
{
    m_tabWidget->openFiles(files, splitView);
}

bool DolphinMainWindow::isFoldersPanelEnabled() const
{
    return actionCollection()->action(QStringLiteral("show_folders_panel"))->isChecked();
}

bool DolphinMainWindow::isInformationPanelEnabled() const
{
#ifdef HAVE_BALOO
    return actionCollection()->action(QStringLiteral("show_information_panel"))->isChecked();
#else
    return false;
#endif
}

void DolphinMainWindow::openFiles(const QStringList& files, bool splitView)
{
    openFiles(QUrl::fromStringList(files), splitView);
}

void DolphinMainWindow::activateWindow()
{
    window()->setAttribute(Qt::WA_NativeWindow, true);
    KStartupInfo::setNewStartupId(window()->windowHandle(), KStartupInfo::startupId());
    KWindowSystem::activateWindow(window()->effectiveWinId());
}

void DolphinMainWindow::showCommand(CommandType command)
{
    DolphinStatusBar* statusBar = m_activeViewContainer->statusBar();
    switch (command) {
    case KIO::FileUndoManager::Copy:
        statusBar->setText(i18nc("@info:status", "Successfully copied."));
        break;
    case KIO::FileUndoManager::Move:
        statusBar->setText(i18nc("@info:status", "Successfully moved."));
        break;
    case KIO::FileUndoManager::Link:
        statusBar->setText(i18nc("@info:status", "Successfully linked."));
        break;
    case KIO::FileUndoManager::Trash:
        statusBar->setText(i18nc("@info:status", "Successfully moved to trash."));
        break;
    case KIO::FileUndoManager::Rename:
        statusBar->setText(i18nc("@info:status", "Successfully renamed."));
        break;

    case KIO::FileUndoManager::Mkdir:
        statusBar->setText(i18nc("@info:status", "Created folder."));
        break;

    default:
        break;
    }
}

void DolphinMainWindow::pasteIntoFolder()
{
    m_activeViewContainer->view()->pasteIntoFolder();
}

void DolphinMainWindow::changeUrl(const QUrl &url)
{
    if (!KProtocolManager::supportsListing(url)) {
        // The URL navigator only checks for validity, not
        // if the URL can be listed. An error message is
        // shown due to DolphinViewContainer::restoreView().
        return;
    }

    m_activeViewContainer->setUrl(url);
    updateFileAndEditActions();
    updatePasteAction();
    updateViewActions();
    updateGoActions();

    Q_EMIT urlChanged(url);
}

void DolphinMainWindow::slotTerminalDirectoryChanged(const QUrl& url)
{
    if (m_tearDownFromPlacesRequested && url == QUrl::fromLocalFile(QDir::homePath())) {
        m_placesPanel->proceedWithTearDown();
        m_tearDownFromPlacesRequested = false;
    }

    m_activeViewContainer->setAutoGrabFocus(false);
    changeUrl(url);
    m_activeViewContainer->setAutoGrabFocus(true);
}

void DolphinMainWindow::slotEditableStateChanged(bool editable)
{
    KToggleAction* editableLocationAction =
        static_cast<KToggleAction*>(actionCollection()->action(QStringLiteral("editable_location")));
    editableLocationAction->setChecked(editable);
}

void DolphinMainWindow::slotSelectionChanged(const KFileItemList& selection)
{
    updateFileAndEditActions();

    const int selectedUrlsCount = m_tabWidget->currentTabPage()->selectedItemsCount();

    QAction* compareFilesAction = actionCollection()->action(QStringLiteral("compare_files"));
    if (selectedUrlsCount == 2) {
        compareFilesAction->setEnabled(isKompareInstalled());
    } else {
        compareFilesAction->setEnabled(false);
    }

    Q_EMIT selectionChanged(selection);
}

void DolphinMainWindow::updateHistory()
{
    const KUrlNavigator *urlNavigator = m_activeViewContainer->urlNavigatorInternalWithHistory();
    const int index = urlNavigator->historyIndex();

    QAction* backAction = actionCollection()->action(KStandardAction::name(KStandardAction::Back));
    if (backAction) {
        backAction->setToolTip(i18nc("@info", "Go back"));
        backAction->setWhatsThis(i18nc("@info:whatsthis go back", "Return to the previously viewed folder."));
        backAction->setEnabled(index < urlNavigator->historySize() - 1);
    }

    QAction* forwardAction = actionCollection()->action(KStandardAction::name(KStandardAction::Forward));
    if (forwardAction) {
        forwardAction->setToolTip(i18nc("@info", "Go forward"));
        forwardAction->setWhatsThis(xi18nc("@info:whatsthis go forward",
            "This undoes a <interface>Go|Back</interface> action."));
        forwardAction->setEnabled(index > 0);
    }
}

void DolphinMainWindow::updateFilterBarAction(bool show)
{
    QAction* toggleFilterBarAction = actionCollection()->action(QStringLiteral("toggle_filter"));
    toggleFilterBarAction->setChecked(show);
}

void DolphinMainWindow::openNewMainWindow()
{
    Dolphin::openNewWindow({m_activeViewContainer->url()}, this);
}

void DolphinMainWindow::openNewActivatedTab()
{
    // keep browsers compatibility, new tab is always after last one
    auto openNewTabAfterLastTabConfigured = GeneralSettings::openNewTabAfterLastTab();
    GeneralSettings::setOpenNewTabAfterLastTab(true);
    m_tabWidget->openNewActivatedTab();
    GeneralSettings::setOpenNewTabAfterLastTab(openNewTabAfterLastTabConfigured);
}

void DolphinMainWindow::addToPlaces()
{
    QUrl url;
    QString name;

    // If nothing is selected, act on the current dir
    if (m_activeViewContainer->view()->selectedItems().isEmpty()) {
        url = m_activeViewContainer->url();
        name = m_activeViewContainer->placesText();
    } else {
        const auto dirToAdd = m_activeViewContainer->view()->selectedItems().first();
        url = dirToAdd.url();
        name = dirToAdd.name();
    }
    if (url.isValid()) {
        PlacesItemModel model;
        QString icon;
        if (m_activeViewContainer->isSearchModeEnabled()) {
            icon = QStringLiteral("folder-saved-search-symbolic");
        } else {
            icon = KIO::iconNameForUrl(url);
        }
        model.createPlacesItem(name, url, icon);
    }
}

void DolphinMainWindow::openNewTab(const QUrl& url)
{
    m_tabWidget->openNewTab(url, QUrl());
}

void DolphinMainWindow::openInNewTab()
{
    const KFileItemList& list = m_activeViewContainer->view()->selectedItems();
    bool tabCreated = false;

    for (const KFileItem& item : list) {
        const QUrl& url = DolphinView::openItemAsFolderUrl(item);
        if (!url.isEmpty()) {
            openNewTab(url);
            tabCreated = true;
        }
    }

    // if no new tab has been created from the selection
    // open the current directory in a new tab
    if (!tabCreated) {
        openNewTab(m_activeViewContainer->url());
    }
}

void DolphinMainWindow::openInNewWindow()
{
    QUrl newWindowUrl;

    const KFileItemList list = m_activeViewContainer->view()->selectedItems();
    if (list.isEmpty()) {
        newWindowUrl = m_activeViewContainer->url();
    } else if (list.count() == 1) {
        const KFileItem& item = list.first();
        newWindowUrl = DolphinView::openItemAsFolderUrl(item);
    }

    if (!newWindowUrl.isEmpty()) {
        Dolphin::openNewWindow({newWindowUrl}, this);
    }
}

void DolphinMainWindow::showTarget()
{
    const auto link = m_activeViewContainer->view()->selectedItems().at(0);
    const auto linkLocationDir = QFileInfo(link.localPath()).absoluteDir();
    auto linkDestination = link.linkDest();
    if (QFileInfo(linkDestination).isRelative()) {
        linkDestination = linkLocationDir.filePath(linkDestination);
    }
    if (QFileInfo::exists(linkDestination)) {
        KIO::highlightInFileManager({QUrl::fromLocalFile(linkDestination).adjusted(QUrl::StripTrailingSlash)});
    } else {
        m_activeViewContainer->showMessage(xi18nc("@info", "Could not access <filename>%1</filename>.", linkDestination),
                                           DolphinViewContainer::Warning);
    }
}

void DolphinMainWindow::showEvent(QShowEvent* event)
{
    KXmlGuiWindow::showEvent(event);

    if (!event->spontaneous()) {
        m_activeViewContainer->view()->setFocus();
    }
}

void DolphinMainWindow::closeEvent(QCloseEvent* event)
{
    // Find out if Dolphin is closed directly by the user or
    // by the session manager because the session is closed
    bool closedByUser = true;
    if (qApp->isSavingSession()) {
        closedByUser = false;
    }

    if (m_tabWidget->count() > 1
        && GeneralSettings::confirmClosingMultipleTabs()
        && !GeneralSettings::rememberOpenedTabs()
        && closedByUser) {
        // Ask the user if he really wants to quit and close all tabs.
        // Open a confirmation dialog with 3 buttons:
        // QDialogButtonBox::Yes    -> Quit
        // QDialogButtonBox::No     -> Close only the current tab
        // QDialogButtonBox::Cancel -> do nothing
        QDialog *dialog = new QDialog(this, Qt::Dialog);
        dialog->setWindowTitle(i18nc("@title:window", "Confirmation"));
        dialog->setModal(true);
        QDialogButtonBox* buttons = new QDialogButtonBox(QDialogButtonBox::Yes | QDialogButtonBox::No | QDialogButtonBox::Cancel);
        KGuiItem::assign(buttons->button(QDialogButtonBox::Yes), KGuiItem(i18nc("@action:button 'Quit Dolphin' button", "&Quit %1", QGuiApplication::applicationDisplayName()), QIcon::fromTheme(QStringLiteral("application-exit"))));
        KGuiItem::assign(buttons->button(QDialogButtonBox::No), KGuiItem(i18n("C&lose Current Tab"), QIcon::fromTheme(QStringLiteral("tab-close"))));
        KGuiItem::assign(buttons->button(QDialogButtonBox::Cancel), KStandardGuiItem::cancel());
        buttons->button(QDialogButtonBox::Yes)->setDefault(true);

        bool doNotAskAgainCheckboxResult = false;

        const auto result = KMessageBox::createKMessageBox(dialog,
            buttons,
            QMessageBox::Warning,
            i18n("You have multiple tabs open in this window, are you sure you want to quit?"),
            QStringList(),
            i18n("Do not ask again"),
            &doNotAskAgainCheckboxResult,
            KMessageBox::Notify);

        if (doNotAskAgainCheckboxResult) {
            GeneralSettings::setConfirmClosingMultipleTabs(false);
        }

        switch (result) {
            case QDialogButtonBox::Yes:
                // Quit
                break;
            case QDialogButtonBox::No:
                // Close only the current tab
                m_tabWidget->closeTab();
                Q_FALLTHROUGH();
            default:
                event->ignore();
                return;
        }
    }

    if (m_terminalPanel && m_terminalPanel->hasProgramRunning() && GeneralSettings::confirmClosingTerminalRunningProgram() && closedByUser) {
        // Ask if the user really wants to quit Dolphin with a program that is still running in the Terminal panel
        // Open a confirmation dialog with 3 buttons:
        // QDialogButtonBox::Yes    -> Quit
        // QDialogButtonBox::No     -> Show Terminal Panel
        // QDialogButtonBox::Cancel -> do nothing
        QDialog *dialog = new QDialog(this, Qt::Dialog);
        dialog->setWindowTitle(i18nc("@title:window", "Confirmation"));
        dialog->setModal(true);
        auto standardButtons = QDialogButtonBox::Yes | QDialogButtonBox::Cancel;
        if (!m_terminalPanel->isVisible()) {
            standardButtons |= QDialogButtonBox::No;
        }
        QDialogButtonBox *buttons = new QDialogButtonBox(standardButtons);
        KGuiItem::assign(buttons->button(QDialogButtonBox::Yes), KStandardGuiItem::quit());
        if (!m_terminalPanel->isVisible()) {
            KGuiItem::assign(
                    buttons->button(QDialogButtonBox::No),
                    KGuiItem(i18n("Show &Terminal Panel"), QIcon::fromTheme(QStringLiteral("dialog-scripts"))));
        }
        KGuiItem::assign(buttons->button(QDialogButtonBox::Cancel), KStandardGuiItem::cancel());

        bool doNotAskAgainCheckboxResult = false;

        const auto result = KMessageBox::createKMessageBox(
                dialog,
                buttons,
                QMessageBox::Warning,
                i18n("The program '%1' is still running in the Terminal panel. Are you sure you want to quit?", m_terminalPanel->runningProgramName()),
                QStringList(),
                i18n("Do not ask again"),
                &doNotAskAgainCheckboxResult,
                KMessageBox::Dangerous);

        if (doNotAskAgainCheckboxResult) {
            GeneralSettings::setConfirmClosingTerminalRunningProgram(false);
        }

        switch (result) {
            case QDialogButtonBox::Yes:
                // Quit
                break;
            case QDialogButtonBox::No:
                actionCollection()->action("show_terminal_panel")->trigger();
                // Do not quit, ignore quit event
                Q_FALLTHROUGH();
            default:
                event->ignore();
                return;
        }
    }

    if (GeneralSettings::rememberOpenedTabs())  {
        KConfigGui::setSessionConfig(QStringLiteral("dolphin"), QStringLiteral("dolphin"));
        KConfig *config = KConfigGui::sessionConfig();
        saveGlobalProperties(config);
        savePropertiesInternal(config, 1);
        config->sync();
    }

    GeneralSettings::setVersion(CurrentDolphinVersion);
    GeneralSettings::self()->save();

    KXmlGuiWindow::closeEvent(event);
}

void DolphinMainWindow::saveProperties(KConfigGroup& group)
{
    m_tabWidget->saveProperties(group);
}

void DolphinMainWindow::readProperties(const KConfigGroup& group)
{
    m_tabWidget->readProperties(group);
}

void DolphinMainWindow::updateNewMenu()
{
    m_newFileMenu->setViewShowsHiddenFiles(activeViewContainer()->view()->hiddenFilesShown());
    m_newFileMenu->checkUpToDate();
    m_newFileMenu->setPopupFiles(QList<QUrl>() << activeViewContainer()->url());
}

void DolphinMainWindow::createDirectory()
{
    m_newFileMenu->setViewShowsHiddenFiles(activeViewContainer()->view()->hiddenFilesShown());
    m_newFileMenu->setPopupFiles(QList<QUrl>() << activeViewContainer()->url());
    m_newFileMenu->createDirectory();
}

void DolphinMainWindow::quit()
{
    close();
}

void DolphinMainWindow::showErrorMessage(const QString& message)
{
    m_activeViewContainer->showMessage(message, DolphinViewContainer::Error);
}

void DolphinMainWindow::slotUndoAvailable(bool available)
{
    QAction* undoAction = actionCollection()->action(KStandardAction::name(KStandardAction::Undo));
    if (undoAction) {
        undoAction->setEnabled(available);
    }
}

void DolphinMainWindow::slotUndoTextChanged(const QString& text)
{
    QAction* undoAction = actionCollection()->action(KStandardAction::name(KStandardAction::Undo));
    if (undoAction) {
        undoAction->setText(text);
    }
}

void DolphinMainWindow::undo()
{
    clearStatusBar();
    KIO::FileUndoManager::self()->uiInterface()->setParentWidget(this);
    KIO::FileUndoManager::self()->undo();
}

void DolphinMainWindow::cut()
{
    m_activeViewContainer->view()->cutSelectedItemsToClipboard();
}

void DolphinMainWindow::copy()
{
    m_activeViewContainer->view()->copySelectedItemsToClipboard();
}

void DolphinMainWindow::paste()
{
    m_activeViewContainer->view()->paste();
}

void DolphinMainWindow::find()
{
    m_activeViewContainer->setSearchModeEnabled(true);
}

void DolphinMainWindow::updateSearchAction()
{
    QAction* toggleSearchAction = actionCollection()->action(QStringLiteral("toggle_search"));
    toggleSearchAction->setChecked(m_activeViewContainer->isSearchModeEnabled());
}

void DolphinMainWindow::updatePasteAction()
{
    QAction* pasteAction = actionCollection()->action(KStandardAction::name(KStandardAction::Paste));
    QPair<bool, QString> pasteInfo = m_activeViewContainer->view()->pasteInfo();
    pasteAction->setEnabled(pasteInfo.first);
    pasteAction->setText(pasteInfo.second);
}

void DolphinMainWindow::slotDirectoryLoadingCompleted()
{
    updatePasteAction();
}

void DolphinMainWindow::slotToolBarActionMiddleClicked(QAction *action)
{
    if (action == actionCollection()->action(KStandardAction::name(KStandardAction::Back))) {
        goBackInNewTab();
    } else if (action == actionCollection()->action(KStandardAction::name(KStandardAction::Forward))) {
        goForwardInNewTab();
    } else if (action == actionCollection()->action(QStringLiteral("go_up"))) {
        goUpInNewTab();
    } else if (action == actionCollection()->action(QStringLiteral("go_home"))) {
        goHomeInNewTab();
    }
}

void DolphinMainWindow::slotAboutToShowBackPopupMenu()
{
    const KUrlNavigator *urlNavigator = m_activeViewContainer->urlNavigatorInternalWithHistory();
    int entries = 0;
    m_backAction->menu()->clear();
    for (int i = urlNavigator->historyIndex() + 1; i < urlNavigator->historySize() && entries < MaxNumberOfNavigationentries; ++i, ++entries) {
        QAction* action = new QAction(urlNavigator->locationUrl(i).toString(QUrl::PreferLocalFile), m_backAction->menu());
        action->setData(i);
        m_backAction->menu()->addAction(action);
    }
}

void DolphinMainWindow::slotGoBack(QAction* action)
{
    int gotoIndex = action->data().value<int>();
    const KUrlNavigator *urlNavigator = m_activeViewContainer->urlNavigatorInternalWithHistory();
    for (int i = gotoIndex - urlNavigator->historyIndex(); i > 0; --i) {
        goBack();
    }
}

void DolphinMainWindow::slotBackForwardActionMiddleClicked(QAction* action)
{
    if (action) {
        const KUrlNavigator *urlNavigator = activeViewContainer()->urlNavigatorInternalWithHistory();
        openNewTab(urlNavigator->locationUrl(action->data().value<int>()));
    }
}

void DolphinMainWindow::slotAboutToShowForwardPopupMenu()
{
    const KUrlNavigator *urlNavigator = m_activeViewContainer->urlNavigatorInternalWithHistory();
    int entries = 0;
    m_forwardAction->menu()->clear();
    for (int i = urlNavigator->historyIndex() - 1; i >= 0 && entries < MaxNumberOfNavigationentries; --i, ++entries) {
        QAction* action = new QAction(urlNavigator->locationUrl(i).toString(QUrl::PreferLocalFile), m_forwardAction->menu());
        action->setData(i);
        m_forwardAction->menu()->addAction(action);
    }
}

void DolphinMainWindow::slotGoForward(QAction* action)
{
    int gotoIndex = action->data().value<int>();
    const KUrlNavigator *urlNavigator = m_activeViewContainer->urlNavigatorInternalWithHistory();
    for (int i = urlNavigator->historyIndex() - gotoIndex; i > 0; --i) {
        goForward();
    }
}

void DolphinMainWindow::selectAll()
{
    clearStatusBar();

    // if the URL navigator is editable and focused, select the whole
    // URL instead of all items of the view

    KUrlNavigator* urlNavigator = m_activeViewContainer->urlNavigator();
    QLineEdit* lineEdit = urlNavigator->editor()->lineEdit();
    const bool selectUrl = urlNavigator->isUrlEditable() &&
                           lineEdit->hasFocus();
    if (selectUrl) {
        lineEdit->selectAll();
    } else {
        m_activeViewContainer->view()->selectAll();
    }
}

void DolphinMainWindow::invertSelection()
{
    clearStatusBar();
    m_activeViewContainer->view()->invertSelection();
}

void DolphinMainWindow::toggleSplitView()
{
    DolphinTabPage* tabPage = m_tabWidget->currentTabPage();
    tabPage->setSplitViewEnabled(!tabPage->splitViewEnabled(), WithAnimation);

    updateViewActions();
}

void DolphinMainWindow::toggleSplitStash()
{
    DolphinTabPage* tabPage = m_tabWidget->currentTabPage();
    tabPage->setSplitViewEnabled(false, WithAnimation);
    tabPage->setSplitViewEnabled(true, WithAnimation, QUrl("stash:/"));
}

void DolphinMainWindow::reloadView()
{
    clearStatusBar();
    m_activeViewContainer->reload();
    m_activeViewContainer->statusBar()->updateSpaceInfo();
}

void DolphinMainWindow::stopLoading()
{
    m_activeViewContainer->view()->stopLoading();
}

void DolphinMainWindow::enableStopAction()
{
    actionCollection()->action(QStringLiteral("stop"))->setEnabled(true);
}

void DolphinMainWindow::disableStopAction()
{
    actionCollection()->action(QStringLiteral("stop"))->setEnabled(false);
}

void DolphinMainWindow::showFilterBar()
{
    m_activeViewContainer->setFilterBarVisible(true);
}

void DolphinMainWindow::toggleFilterBar()
{
    const bool checked = !m_activeViewContainer->isFilterBarVisible();
    m_activeViewContainer->setFilterBarVisible(checked);

    QAction* toggleFilterBarAction = actionCollection()->action(QStringLiteral("toggle_filter"));
    toggleFilterBarAction->setChecked(checked);
}

void DolphinMainWindow::toggleEditLocation()
{
    clearStatusBar();

    QAction* action = actionCollection()->action(QStringLiteral("editable_location"));
    KUrlNavigator* urlNavigator = m_activeViewContainer->urlNavigator();
    urlNavigator->setUrlEditable(action->isChecked());
}

void DolphinMainWindow::replaceLocation()
{
    KUrlNavigator* navigator = m_activeViewContainer->urlNavigator();
    QLineEdit* lineEdit = navigator->editor()->lineEdit();

    // If the text field currently has focus and everything is selected,
    // pressing the keyboard shortcut returns the whole thing to breadcrumb mode
    if (navigator->isUrlEditable()
        && lineEdit->hasFocus()
        && lineEdit->selectedText() == lineEdit->text() ) {
        navigator->setUrlEditable(false);
    } else {
        navigator->setUrlEditable(true);
        navigator->setFocus();
        lineEdit->selectAll();
    }
}

void DolphinMainWindow::togglePanelLockState()
{
    const bool newLockState = !GeneralSettings::lockPanels();
    const auto childrenObjects = children();
    for (QObject* child : childrenObjects) {
        DolphinDockWidget* dock = qobject_cast<DolphinDockWidget*>(child);
        if (dock) {
            dock->setLocked(newLockState);
        }
    }

    GeneralSettings::setLockPanels(newLockState);
}

void DolphinMainWindow::slotTerminalPanelVisibilityChanged()
{
    if (m_terminalPanel->isHiddenInVisibleWindow() && m_activeViewContainer) {
        m_activeViewContainer->view()->setFocus();
    }
}

void DolphinMainWindow::goBack()
{
    DolphinUrlNavigator *urlNavigator = m_activeViewContainer->urlNavigatorInternalWithHistory();
    urlNavigator->goBack();

    if (urlNavigator->locationState().isEmpty()) {
        // An empty location state indicates a redirection URL,
        // which must be skipped too
        urlNavigator->goBack();
    }
}

void DolphinMainWindow::goForward()
{
    m_activeViewContainer->urlNavigatorInternalWithHistory()->goForward();
}

void DolphinMainWindow::goUp()
{
    m_activeViewContainer->urlNavigatorInternalWithHistory()->goUp();
}

void DolphinMainWindow::goHome()
{
    m_activeViewContainer->urlNavigatorInternalWithHistory()->goHome();
}

void DolphinMainWindow::goBackInNewTab()
{
    const KUrlNavigator* urlNavigator = activeViewContainer()->urlNavigatorInternalWithHistory();
    const int index = urlNavigator->historyIndex() + 1;
    openNewTab(urlNavigator->locationUrl(index));
}

void DolphinMainWindow::goForwardInNewTab()
{
    const KUrlNavigator* urlNavigator = activeView