Merge remote-tracking branch 'fork/work/zakharafoniam/useful-groups'

[dolphin.git] / src / dolphinmainwindow.cpp

diff --git a/src/dolphinmainwindow.cpp b/src/dolphinmainwindow.cpp
index af9bd0a011b818726b08b000f89b5c4074689089..d08d6f6b396fe75bc9dda6cb48d67eabe354e41d 100644 (file)
--- a/src/dolphinmainwindow.cpp
+++ b/src/dolphinmainwindow.cpp
@@ -1,1667 +1,3091 @@
-/***************************************************************************
- *   Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>                  *
- *   Copyright (C) 2006 by Stefan Monov <logixoul@gmail.com>               *
- *   Copyright (C) 2006 by Cvetoslav Ludmiloff <ludmiloff@gmail.com>       *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
- ***************************************************************************/
+/*
+ * 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 "dolphinmainwindow.h"
 

-#include <assert.h>
-
-#include <kactioncollection.h>
-#include <ktoggleaction.h>
-#include <kbookmarkmanager.h>
-#include <kglobal.h>
-#include <kpropertiesdialog.h>
-#include <kicon.h>
-#include <kiconloader.h>
-#include <kdeversion.h>
-#include <kstatusbar.h>
-#include <kio/netaccess.h>
-#include <kfiledialog.h>
-#include <kconfig.h>
-#include <kurl.h>
-#include <kstdaccel.h>
-#include <kaction.h>
-#include <kstdaction.h>
-#include <kmenu.h>
-#include <kio/renamedlg.h>
-#include <kinputdialog.h>
-#include <kshell.h>
-#include <kdesktopfile.h>
-#include <kstandarddirs.h>
-#include <kprotocolinfo.h>
-#include <kmessagebox.h>
-#include <kservice.h>
-#include <kstandarddirs.h>
-#include <krun.h>
-#include <klocale.h>
-
-#include <qclipboard.h>
-#include <q3dragobject.h>
-//Added by qt3to4:
-#include <Q3ValueList>
+#include "admin/workerintegration.h"
+#include "dolphin_generalsettings.h"
+#include "dolphinbookmarkhandler.h"
+#include "dolphincontextmenu.h"
+#include "dolphindockwidget.h"
+#include "dolphinmainwindowadaptor.h"
+#include "dolphinnavigatorswidgetaction.h"
+#include "dolphinnewfilemenu.h"
+#include "dolphinplacesmodelsingleton.h"
+#include "dolphinrecenttabsmenu.h"
+#include "dolphintabpage.h"
+#include "dolphinurlnavigatorscontroller.h"
+#include "dolphinviewcontainer.h"
+#include "global.h"
+#include "middleclickactioneventfilter.h"
+#include "panels/folders/folderspanel.h"
+#include "panels/places/placespanel.h"
+#include "panels/terminal/terminalpanel.h"
+#include "search/dolphinquery.h"
+#include "selectionmode/actiontexthelper.h"
+#include "settings/dolphinsettingsdialog.h"
+#include "statusbar/diskspaceusagemenu.h"
+#include "statusbar/dolphinstatusbar.h"
+#include "views/dolphinnewfilemenuobserver.h"
+#include "views/dolphinremoteencoding.h"
+#include "views/dolphinviewactionhandler.h"
+#include "views/draganddrophelper.h"
+#include "views/viewproperties.h"
+
+#include <KActionCollection>
+#include <KActionMenu>
+#include <KAuthorized>
+#include <KColorSchemeManager>
+#include <KConfig>
+#include <KConfigGui>
+#include <KDesktopFile>
+#include <KDialogJobUiDelegate>
+#include <KDualAction>
+#include <KFileItemListProperties>
+#include <KIO/CommandLauncherJob>
+#include <KIO/JobUiDelegateFactory>
+#include <KIO/OpenFileManagerWindowJob>
+#include <KIO/OpenUrlJob>
+#include <KJobWidgets>
+#include <KLocalizedString>
+#include <KMessageBox>
+#include <KProtocolInfo>
+#include <KProtocolManager>
+#include <KRecentFilesAction>
+#include <KRuntimePlatform>
+#include <KShell>
+#include <KShortcutsDialog>
+#include <KStandardAction>
+#include <KSycoca>
+#include <KTerminalLauncherJob>
+#include <KToggleAction>
+#include <KToolBar>
+#include <KToolBarPopupAction>
+#include <KUrlComboBox>
+#include <KUrlNavigator>
+#include <KWindowSystem>
+#include <KXMLGUIFactory>
+
+#include <kwidgetsaddons_version.h>
+
+#include <QApplication>
+#include <QClipboard>

 #include <QCloseEvent>
 #include <QCloseEvent>

-#include <QSplitter>
-
-#include "urlnavigator.h"
-#include "viewpropertiesdialog.h"
-#include "viewproperties.h"
-#include "dolphinsettings.h"
-#include "dolphinsettingsdialog.h"
-#include "dolphinstatusbar.h"
-#include "dolphinapplication.h"
-#include "undomanager.h"
-#include "progressindicator.h"
-#include "dolphinsettings.h"
-#include "sidebar.h"
-#include "sidebarsettings.h"
-#include "generalsettings.h"
-#include "dolphinapplication.h"
-
-
-DolphinMainWindow::DolphinMainWindow() :
-    KMainWindow(0, "Dolphin"),
-    m_splitter(0),
-    m_sidebar(0),
-    m_activeView(0),
-    m_clipboardContainsCutData(false)
-{
-    m_view[PrimaryIdx] = 0;
-    m_view[SecondaryIdx] = 0;
-
-    m_fileGroupActions.setAutoDelete(true);
-
-    // TODO: the following members are not used yet. See documentation
-    // of DolphinMainWindow::linkGroupActions() and DolphinMainWindow::linkToDeviceActions()
-    // in the header file for details.
-    //m_linkGroupActions.setAutoDelete(true);
-    //m_linkToDeviceActions.setAutoDelete(true);
-}
+#include <QDesktopServices>
+#include <QDialog>
+#include <QDomDocument>
+#include <QFileInfo>
+#include <QLineEdit>
+#include <QMenuBar>
+#include <QPushButton>
+#include <QShowEvent>
+#include <QStandardPaths>
+#include <QTimer>
+#include <QToolButton>
+#include <QtConcurrentRun>
+#include <dolphindebug.h>
+
+#include <algorithm>
+
+#if HAVE_X11
+#include <KStartupInfo>
+#endif
+
+namespace
+{
+// Used for GeneralSettings::version() to determine whether
+// an updated version of Dolphin is running, so as to migrate
+// removed/renamed ...etc config entries; increment it in such
+// cases
+const int CurrentDolphinVersion = 202;
+// The maximum number of entries in the back/forward popup menu
+const int MaxNumberOfNavigationentries = 12;
+// The maximum number of "Go to Tab" shortcuts
+const int MaxActivateTabShortcuts = 9;
+}
+
+DolphinMainWindow::DolphinMainWindow()
+    : KXmlGuiWindow(nullptr)
+    , m_newFileMenu(nullptr)
+    , m_tabWidget(nullptr)
+    , m_activeViewContainer(nullptr)
+    , m_actionHandler(nullptr)
+    , m_remoteEncoding(nullptr)
+    , m_settingsDialog()
+    , m_bookmarkHandler(nullptr)
+    , m_disabledActionNotifier(nullptr)
+    , m_lastHandleUrlOpenJob(nullptr)
+    , m_terminalPanel(nullptr)
+    , m_placesPanel(nullptr)
+    , m_tearDownFromPlacesRequested(false)
+    , m_backAction(nullptr)
+    , m_forwardAction(nullptr)
+    , m_splitViewAction(nullptr)
+    , m_splitViewMenuAction(nullptr)
+    , m_diskSpaceUsageMenu(nullptr)
+    , m_sessionSaveTimer(nullptr)
+    , m_sessionSaveWatcher(nullptr)
+    , m_sessionSaveScheduled(false)
+{
+    Q_INIT_RESOURCE(dolphin);
+
+    new MainWindowAdaptor(this);
+
+#ifndef Q_OS_WIN
+    setWindowFlags(Qt::WindowContextHelpButtonHint);
+#endif
+    setComponentName(QStringLiteral("dolphin"), QGuiApplication::applicationDisplayName());
+    setObjectName(QStringLiteral("Dolphin#"));
+
+    setStateConfigGroup("State");
+
+#if defined(Q_OS_WIN) || defined(Q_OS_MACOS)
+    new KColorSchemeManager(this); // Sets a sensible color scheme which fixes unreadable icons and text on Windows.
+#endif
+
+    connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::errorMessage, this, &DolphinMainWindow::showErrorMessage);
+
+    KIO::FileUndoManager *undoManager = KIO::FileUndoManager::self();
+    undoManager->setUiInterface(new UndoUiInterface());
+
+    connect(undoManager, &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());
+    }

 
 

-DolphinMainWindow::~DolphinMainWindow()
-{
-    /*
-     * bye, bye managed window
-     */
-    DolphinApplication::app()->removeMainWindow( this );
-}
+    setAcceptDrops(true);

 
 

-void DolphinMainWindow::setActiveView(DolphinView* view)
-{
-    assert((view == m_view[PrimaryIdx]) || (view == m_view[SecondaryIdx]));
-    if (m_activeView == view) {
-        return;
-    }
+    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);

 
 

-    m_activeView = view;
+    m_actionTextHelper = new SelectionMode::ActionTextHelper(this);
+    setupActions();

 
 

-    updateHistory();
-    updateEditActions();
-    updateViewActions();
-    updateGoActions();
+    m_actionHandler = new DolphinViewActionHandler(actionCollection(), m_actionTextHelper, this);
+    connect(m_actionHandler, &DolphinViewActionHandler::actionBeingHandled, this, &DolphinMainWindow::clearStatusBar);
+    connect(m_actionHandler, &DolphinViewActionHandler::createDirectoryTriggered, this, &DolphinMainWindow::createDirectory);
+    connect(m_actionHandler, &DolphinViewActionHandler::createFileTriggered, this, &DolphinMainWindow::createFile);
+    connect(m_actionHandler, &DolphinViewActionHandler::selectionModeChangeTriggered, this, &DolphinMainWindow::slotSetSelectionMode);

 
 

-    setCaption(m_activeView->url().fileName());
+    QAction *newDirAction = actionCollection()->action(QStringLiteral("create_dir"));
+    Q_CHECK_PTR(newDirAction);
+    m_newFileMenu->setNewFolderShortcutAction(newDirAction);

 
 

-    emit activeViewChanged();
-}
+    QAction *newFileAction = actionCollection()->action(QStringLiteral("create_file"));
+    Q_CHECK_PTR(newFileAction);
+    m_newFileMenu->setNewFileShortcutAction(newFileAction);

 
 

-void DolphinMainWindow::dropUrls(const KUrl::List& urls,
-                       const KUrl& destination)
-{
-    int selectedIndex = -1;
+    m_remoteEncoding = new DolphinRemoteEncoding(this, m_actionHandler);
+    connect(this, &DolphinMainWindow::urlChanged, m_remoteEncoding, &DolphinRemoteEncoding::slotAboutToOpenUrl);

 
 

-    /* KDE4-TODO
-    const ButtonState keyboardState = KApplication::keyboardMouseState();
-    const bool shiftPressed = (keyboardState & ShiftButton) > 0;
-    const bool controlPressed = (keyboardState & ControlButton) > 0;
+    m_disabledActionNotifier = new DisabledActionNotifier(this);
+    connect(m_disabledActionNotifier, &DisabledActionNotifier::disabledActionTriggered, this, [this](const QAction *, QString reason) {
+        m_activeViewContainer->showMessage(reason, KMessageWidget::Warning);
+    });

 
 

+    setupDockWidgets();

 
 

+    const bool usePhoneUi{KRuntimePlatform::runtimePlatform().contains(QLatin1String("phone"))};
+    setupGUI(Save | Create | ToolBar, usePhoneUi ? QStringLiteral("dolphinuiforphones.rc") : QString() /* load the default dolphinui.rc file */);
+    stateChanged(QStringLiteral("new_file"));

 
 

-    if (shiftPressed && controlPressed) {
-        // shortcut for 'Linke Here' is used
-        selectedIndex = 2;
-    }
-    else if (controlPressed) {
-        // shortcut for 'Copy Here' is used
-        selectedIndex = 1;
-    }
-    else if (shiftPressed) {
-        // shortcut for 'Move Here' is used
-        selectedIndex = 0;
-    }
-    else*/ {
-        // no shortcut is used, hence open a popup menu
-        KMenu popup(this);
+    QClipboard *clipboard = QApplication::clipboard();
+    connect(clipboard, &QClipboard::dataChanged, this, &DolphinMainWindow::updatePasteAction);

 
 

-        popup.insertItem(SmallIcon("goto"), i18n("&Move Here") + "\t" /* KDE4-TODO: + KKey::modFlagLabel(KKey::SHIFT)*/, 0);
-        popup.insertItem(SmallIcon("editcopy"), i18n( "&Copy Here" ) /* KDE4-TODO + "\t" + KKey::modFlagLabel(KKey::CTRL)*/, 1);
-        popup.insertItem(i18n("&Link Here") /* KDE4-TODO + "\t" + KKey::modFlagLabel((KKey::ModFlag)(KKey::CTRL|KKey::SHIFT)) */, 2);
-        popup.insertSeparator();
-        popup.insertItem(SmallIcon("stop"), i18n("Cancel"), 3);
-        popup.setAccel(i18n("Escape"), 3);
+    QAction *toggleFilterBarAction = actionCollection()->action(QStringLiteral("toggle_filter"));
+    toggleFilterBarAction->setChecked(GeneralSettings::filterBar());

 
 

-        /* KDE4-TODO: selectedIndex = popup.exec(QCursor::pos()); */
-        popup.exec(QCursor::pos());
-        selectedIndex = 0; // KD4-TODO: use QAction instead of switch below
-        // See libkonq/konq_operations.cc: KonqOperations::doDropFileCopy() (and doDrop, the main method)
+    if (firstRun) {
+        menuBar()->setVisible(false);
+
+        if (usePhoneUi) {
+            Q_ASSERT(qobject_cast<QDockWidget *>(m_placesPanel->parent()));
+            m_placesPanel->parentWidget()->hide();
+            auto settings = GeneralSettings::self();
+            settings->setShowZoomSlider(false); // Zooming can be done with pinch gestures instead and we are short on horizontal space.
+            settings->setRenameInline(false); // This works around inline renaming currently not working well with virtual keyboards.
+            settings->save(); // Otherwise the RenameInline setting is not picked up for the first time Dolphin is used.
+        }

     }
 
     }
 

-    if (selectedIndex < 0) {
-        return;
+    const bool showMenu = !menuBar()->isHidden();
+    QAction *showMenuBarAction = actionCollection()->action(KStandardAction::name(KStandardAction::ShowMenubar));
+    showMenuBarAction->setChecked(showMenu); // workaround for bug #171080
+
+    auto hamburgerMenu = static_cast<KHamburgerMenu *>(actionCollection()->action(KStandardAction::name(KStandardAction::HamburgerMenu)));
+    hamburgerMenu->setMenuBar(menuBar());
+    hamburgerMenu->setShowMenuBarAction(showMenuBarAction);
+    connect(hamburgerMenu, &KHamburgerMenu::aboutToShowMenu, this, &DolphinMainWindow::updateHamburgerMenu);
+    hamburgerMenu->hideActionsOf(toolBar());
+    if (GeneralSettings::version() < 201 && !toolBar()->actions().contains(hamburgerMenu)) {
+        addHamburgerMenuToToolbar();

     }
 
     }
 

-    switch (selectedIndex) {
-        case 0: {
-            // 'Move Here' has been selected
-            updateViewProperties(urls);
-            moveUrls(urls, destination);
-            break;
-        }
+    updateAllowedToolbarAreas();
+    updateNavigatorsBackground();

 
 

-        case 1: {
-            // 'Copy Here' has been selected
-            updateViewProperties(urls);
-            copyUrls(urls, destination);
-            break;
-        }
+    // 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);

 
 

-        case 2: {
-            // 'Link Here' has been selected
-            KIO::Job* job = KIO::link(urls, destination);
-            addPendingUndoJob(job, DolphinCommand::Link, urls, destination);
-            break;
-        }
+    setupWhatsThis();

 
 

-        default:
-            // 'Cancel' has been selected
-            break;
-    }
+    connect(KSycoca::self(), &KSycoca::databaseChanged, this, &DolphinMainWindow::updateOpenPreferredSearchToolAction);
+
+    QTimer::singleShot(0, this, &DolphinMainWindow::updateOpenPreferredSearchToolAction);
+
+    m_fileItemActions.setParentWidget(this);
+    connect(&m_fileItemActions, &KFileItemActions::error, this, [this](const QString &errorMessage) {
+        showErrorMessage(errorMessage);
+    });
+
+    connect(GeneralSettings::self(), &GeneralSettings::splitViewChanged, this, &DolphinMainWindow::slotSplitViewChanged);

 }
 
 }
 

-void DolphinMainWindow::refreshViews()
+DolphinMainWindow::~DolphinMainWindow()

 {
 {

-    const bool split = DolphinSettings::instance().generalSettings()->splitView();
-    const bool isPrimaryViewActive = (m_activeView == m_view[PrimaryIdx]);
-    KUrl url;
-    for (int i = PrimaryIdx; i <= SecondaryIdx; ++i) {
-       if (m_view[i] != 0) {
-            url = m_view[i]->url();
-
-            // delete view instance...
-            m_view[i]->close();
-            m_view[i]->deleteLater();
-            m_view[i] = 0;
-        }
+    // This fixes a crash on Wayland when closing the mainwindow while another dialog is open.
+    disconnect(QGuiApplication::clipboard(), &QClipboard::dataChanged, this, &DolphinMainWindow::updatePasteAction);

 
 

-        if (split || (i == PrimaryIdx)) {
-            // ... and recreate it
-            ViewProperties props(url);
-            m_view[i] = new DolphinView(this,
-                                        m_splitter,
-                                        url,
-                                        props.viewMode(),
-                                        props.isShowHiddenFilesEnabled());
-            m_view[i]->show();
+    // This fixes a crash in dolphinmainwindowtest where the connection below fires even though the KMainWindow destructor of this object is already running.
+    Q_CHECK_PTR(qobject_cast<DolphinDockWidget *>(m_placesPanel->parent()));
+    disconnect(static_cast<DolphinDockWidget *>(m_placesPanel->parent()),
+               &DolphinDockWidget::visibilityChanged,
+               this,
+               &DolphinMainWindow::slotPlacesPanelVisibilityChanged);
+}
+
+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;
+}

 
 

-    m_activeView = isPrimaryViewActive ? m_view[PrimaryIdx] : m_view[SecondaryIdx];
-    assert(m_activeView != 0);
-
-    updateViewActions();
-    emit activeViewChanged();
+void DolphinMainWindow::openDirectories(const QList<QUrl> &dirs, bool splitView)
+{
+    m_tabWidget->openDirectories(dirs, splitView);

 }
 
 }
 

-void DolphinMainWindow::slotHistoryChanged()
+void DolphinMainWindow::openDirectories(const QStringList &dirs, bool splitView)

 {
 {

-    updateHistory();
+    openDirectories(QUrl::fromStringList(dirs), splitView);

 }
 
 }
 

-void DolphinMainWindow::slotUrlChanged(const KUrl& url)
+void DolphinMainWindow::openFiles(const QList<QUrl> &files, bool splitView)

 {
 {

-    updateEditActions();
-    updateGoActions();
-    setCaption(url.fileName());
+    m_tabWidget->openFiles(files, splitView);

 }
 
 }
 

-void DolphinMainWindow::slotUrlChangeRequest(const KUrl& url)
+bool DolphinMainWindow::isFoldersPanelEnabled() const

 {
 {

-       clearStatusBar();
-       m_activeView->setUrl(url);
+    return actionCollection()->action(QStringLiteral("show_folders_panel"))->isChecked();

 }
 
 }
 

-void DolphinMainWindow::slotViewModeChanged()
+bool DolphinMainWindow::isInformationPanelEnabled() const

 {
 {

-    updateViewActions();
+#if HAVE_BALOO
+    return actionCollection()->action(QStringLiteral("show_information_panel"))->isChecked();
+#else
+    return false;
+#endif

 }
 
 }
 

-void DolphinMainWindow::slotShowHiddenFilesChanged()
+bool DolphinMainWindow::isSplitViewEnabledInCurrentTab() const

 {
 {

-    KToggleAction* showHiddenFilesAction =
-        static_cast<KToggleAction*>(actionCollection()->action("show_hidden_files"));
-    showHiddenFilesAction->setChecked(m_activeView->isShowHiddenFilesEnabled());
+    return m_tabWidget->currentTabPage()->splitViewEnabled();

 }
 
 }
 

-void DolphinMainWindow::slotShowFilterBarChanged()
+void DolphinMainWindow::openFiles(const QStringList &files, bool splitView)

 {
 {

-    KToggleAction* showFilterBarAction =
-        static_cast<KToggleAction*>(actionCollection()->action("show_filter_bar"));
-    showFilterBarAction->setChecked(m_activeView->isFilterBarVisible());
+    openFiles(QUrl::fromStringList(files), splitView);

 }
 
 }
 

-void DolphinMainWindow::slotSortingChanged(DolphinView::Sorting sorting)
+void DolphinMainWindow::activateWindow(const QString &activationToken)

 {
 {

-    KAction* action = 0;
-    switch (sorting) {
-        case DolphinView::SortByName:
-            action = actionCollection()->action("by_name");
-            break;
-        case DolphinView::SortBySize:
-            action = actionCollection()->action("by_size");
-            break;
-        case DolphinView::SortByDate:
-            action = actionCollection()->action("by_date");
-            break;
-        default:
-            break;
-    }
+    window()->setAttribute(Qt::WA_NativeWindow, true);

 
 

-    if (action != 0) {
-        KToggleAction* toggleAction = static_cast<KToggleAction*>(action);
-        toggleAction->setChecked(true);
+    if (KWindowSystem::isPlatformWayland()) {
+        KWindowSystem::setCurrentXdgActivationToken(activationToken);
+    } else if (KWindowSystem::isPlatformX11()) {
+#if HAVE_X11
+        KStartupInfo::setNewStartupId(window()->windowHandle(), activationToken.toUtf8());
+#endif

     }
     }

+
+    KWindowSystem::activateWindow(window()->windowHandle());

 }
 
 }
 

-void DolphinMainWindow::slotSortOrderChanged(Qt::SortOrder order)
+bool DolphinMainWindow::isActiveWindow()

 {
 {

-    KToggleAction* descending = static_cast<KToggleAction*>(actionCollection()->action("descending"));
-    const bool sortDescending = (order == Qt::Descending);
-    descending->setChecked(sortDescending);
+    return window()->isActiveWindow();

 }
 
 }
 

-void DolphinMainWindow::slotSelectionChanged()
+void DolphinMainWindow::showCommand(CommandType command)

 {
 {

-    updateEditActions();
+    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;

 
 

-    assert(m_view[PrimaryIdx] != 0);
-    int selectedUrlsCount = m_view[PrimaryIdx]->selectedUrls().count();
-    if (m_view[SecondaryIdx] != 0) {
-        selectedUrlsCount += m_view[SecondaryIdx]->selectedUrls().count();
+    case KIO::FileUndoManager::Mkdir:
+        statusBar->setText(i18nc("@info:status", "Created folder."));
+        break;
+
+    default:
+        break;

     }
     }

+}

 
 

-    KAction* compareFilesAction = actionCollection()->action("compare_files");
-    compareFilesAction->setEnabled(selectedUrlsCount == 2);
+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_activeView->updateStatusBar();
+    m_activeViewContainer->setUrl(url);
+    updateFileAndEditActions();
+    updatePasteAction();
+    updateViewActions();
+    updateGoActions();
+    m_diskSpaceUsageMenu->setUrl(url);

 
 

-    emit selectionChanged();
+    // will signal used urls to activities manager, too
+    m_recentFiles->addUrl(url, QString(), "inode/directory");
+
+    Q_EMIT urlChanged(url);

 }
 
 }
 

-void DolphinMainWindow::slotRedo()
+void DolphinMainWindow::slotTerminalDirectoryChanged(const QUrl &url)

 {
 {

-    UndoManager::instance().redo(this);
+    if (m_tearDownFromPlacesRequested && url == QUrl::fromLocalFile(QDir::homePath())) {
+        m_placesPanel->proceedWithTearDown();
+        m_tearDownFromPlacesRequested = false;
+    }
+
+    m_activeViewContainer->setGrabFocusOnUrlChange(false);
+    changeUrl(url);
+    m_activeViewContainer->setGrabFocusOnUrlChange(true);

 }
 
 }
 

-void DolphinMainWindow::slotUndo()
+void DolphinMainWindow::slotEditableStateChanged(bool editable)

 {
 {

-    UndoManager::instance().undo(this);
+    KToggleAction *editableLocationAction = static_cast<KToggleAction *>(actionCollection()->action(QStringLiteral("editable_location")));
+    editableLocationAction->setChecked(editable);

 }
 
 }
 

-void DolphinMainWindow::closeEvent(QCloseEvent* event)
+void DolphinMainWindow::slotSelectionChanged(const KFileItemList &selection)

 {
 {

-    // KDE4-TODO
-    //KConfig* config = KGlobal::config();
-    //config->setGroup("General");
-    //config->writeEntry("First Run", false);
+    updateFileAndEditActions();

 
 

-    DolphinSettings& settings = DolphinSettings::instance();
-    GeneralSettings* generalSettings = settings.generalSettings();
-    generalSettings->setFirstRun(false);
+    const int selectedUrlsCount = m_tabWidget->currentTabPage()->selectedItemsCount();

 
 

-    SidebarSettings* sidebarSettings = settings.sidebarSettings();
-    const bool isSidebarVisible = (m_sidebar != 0);
-    sidebarSettings->setVisible(isSidebarVisible);
-    if (isSidebarVisible) {
-        sidebarSettings->setWidth(m_sidebar->width());
+    QAction *compareFilesAction = actionCollection()->action(QStringLiteral("compare_files"));
+    if (selectedUrlsCount == 2) {
+        compareFilesAction->setEnabled(isKompareInstalled());
+    } else {
+        compareFilesAction->setEnabled(false);

     }
 
     }
 

-    settings.save();
-
-    KMainWindow::closeEvent(event);
+    Q_EMIT selectionChanged(selection);

 }
 
 }
 

-void DolphinMainWindow::saveProperties(KConfig* config)
+void DolphinMainWindow::updateHistory()

 {
 {

-    config->setGroup("Primary view");
-    config->writeEntry("Url", m_view[PrimaryIdx]->url().url());
-    config->writeEntry("Editable Url", m_view[PrimaryIdx]->isUrlEditable());
-    if (m_view[SecondaryIdx] != 0) {
-        config->setGroup("Secondary view");
-        config->writeEntry("Url", m_view[SecondaryIdx]->url().url());
-        config->writeEntry("Editable Url", m_view[SecondaryIdx]->isUrlEditable());
+    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::readProperties(KConfig* config)
+void DolphinMainWindow::updateFilterBarAction(bool show)

 {
 {

-    config->setGroup("Primary view");
-    m_view[PrimaryIdx]->setUrl(config->readEntry("Url"));
-    m_view[PrimaryIdx]->setUrlEditable(config->readBoolEntry("Editable Url"));
-    if (config->hasGroup("Secondary view")) {
-        config->setGroup("Secondary view");
-        if (m_view[SecondaryIdx] == 0) {
-            toggleSplitView();
-        }
-        m_view[SecondaryIdx]->setUrl(config->readEntry("Url"));
-        m_view[SecondaryIdx]->setUrlEditable(config->readBoolEntry("Editable Url"));
-    }
-    else if (m_view[SecondaryIdx] != 0) {
-        toggleSplitView();
-    }
+    QAction *toggleFilterBarAction = actionCollection()->action(QStringLiteral("toggle_filter"));
+    toggleFilterBarAction->setChecked(show);

 }
 
 }
 

-void DolphinMainWindow::createFolder()
+void DolphinMainWindow::openNewMainWindow()

 {
 {

-    // Parts of the following code have been taken
-    // from the class KonqPopupMenu located in
-    // libqonq/konq_popupmenu.h of Konqueror.
-    // (Copyright (C) 2000  David Faure <faure@kde.org>,
-    // Copyright (C) 2001 Holger Freyther <freyther@yahoo.com>)
+    Dolphin::openNewWindow({m_activeViewContainer->url()}, this);
+}

 
 

-    clearStatusBar();
+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);
+}

 
 

-    DolphinStatusBar* statusBar = m_activeView->statusBar();
-    const KUrl baseUrl(m_activeView->url());
+void DolphinMainWindow::addToPlaces()
+{
+    QUrl url;
+    QString name;

 
 

-    QString name(i18n("New Folder"));
-    baseUrl.path(KUrl::AddTrailingSlash);
+    // 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()) {
+        QString icon;
+        if (isSearchUrl(url)) {
+            icon = QStringLiteral("folder-saved-search-symbolic");
+        } else {
+            icon = KIO::iconNameForUrl(url);
+        }
+        DolphinPlacesModelSingleton::instance().placesModel()->addPlace(name, url, icon);
+    }
+}

 
 

+DolphinTabPage *DolphinMainWindow::openNewTab(const QUrl &url)
+{
+    return m_tabWidget->openNewTab(url, QUrl());
+}

 
 

-    if (baseUrl.isLocalFile() && QFileInfo(baseUrl.path(KUrl::AddTrailingSlash) + name).exists()) {
-        name = KIO::RenameDlg::suggestName(baseUrl, i18n("New Folder"));
-    }
+void DolphinMainWindow::openNewTabAndActivate(const QUrl &url)
+{
+    m_tabWidget->openNewActivatedTab(url, QUrl());
+}

 
 

-    bool ok = false;
-    name = KInputDialog::getText(i18n("New Folder"),
-                                 i18n("Enter folder name:" ),
-                                 name,
-                                 &ok,
-                                 this);
+void DolphinMainWindow::openNewWindow(const QUrl &url)
+{
+    Dolphin::openNewWindow({url}, this);
+}

 
 

-    if (!ok) {
-        // the user has pressed 'Cancel'
-        return;
-    }
+void DolphinMainWindow::slotSplitViewChanged()
+{
+    m_tabWidget->currentTabPage()->setSplitViewEnabled(GeneralSettings::splitView(), WithAnimation);
+    updateSplitActions();
+}

 
 

-    assert(!name.isEmpty());
+void DolphinMainWindow::openInNewTab()
+{
+    const KFileItemList &list = m_activeViewContainer->view()->selectedItems();
+    bool tabCreated = false;

 
 

-    KUrl url;
-    if ((name[0] == '/') || (name[0] == '~')) {
-        url.setPath(KShell::tildeExpand(name));
+    for (const KFileItem &item : list) {
+        const QUrl &url = DolphinView::openItemAsFolderUrl(item);
+        if (!url.isEmpty()) {
+            openNewTab(url);
+            tabCreated = true;
+        }

     }
     }

-    else {
-        name = KIO::encodeFileName(name);
-        url = baseUrl;
-        url.addPath(name);
+
+    // if no new tab has been created from the selection
+    // open the current directory in a new tab
+    if (!tabCreated) {
+        openNewTab(m_activeViewContainer->url());

     }
     }

-    ok = KIO::NetAccess::mkdir(url, this);
+}

 
 

-    // TODO: provide message type hint
-    if (ok) {
-        statusBar->setMessage(i18n("Created folder %1.",url.path()),
-                              DolphinStatusBar::OperationCompleted);
+void DolphinMainWindow::openInNewWindow()
+{
+    QUrl newWindowUrl;

 
 

-        DolphinCommand command(DolphinCommand::CreateFolder, KUrl::List(), url);
-        UndoManager::instance().addCommand(command);
+    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);

     }
     }

-    else {
-        // Creating of the folder has been failed. Check whether the creating
-        // has been failed because a folder with the same name exists...
-        if (KIO::NetAccess::exists(url, true, this)) {
-            statusBar->setMessage(i18n("A folder named %1 already exists.",url.path()),
-                                  DolphinStatusBar::Error);
-        }
-        else {
-            statusBar->setMessage(i18n("Creating of folder %1 failed.",url.path()),
-                                  DolphinStatusBar::Error);
-        }

 
 

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

     }
 }
 
     }
 }
 

-void DolphinMainWindow::createFile()
+void DolphinMainWindow::openInSplitView(const QUrl &url)

 {
 {

-    // Parts of the following code have been taken
-    // from the class KonqPopupMenu located in
-    // libqonq/konq_popupmenu.h of Konqueror.
-    // (Copyright (C) 2000  David Faure <faure@kde.org>,
-    // Copyright (C) 2001 Holger Freyther <freyther@yahoo.com>)
+    QUrl newSplitViewUrl = url;

 
 

-    clearStatusBar();
-
-    // TODO: const Entry& entry = m_createFileTemplates[QString(sender->name())];
-    // should be enough. Anyway: the implemantation of [] does a linear search internally too.
-    KSortableList<CreateFileEntry, QString>::ConstIterator it = m_createFileTemplates.begin();
-    KSortableList<CreateFileEntry, QString>::ConstIterator end = m_createFileTemplates.end();
-
-    const QString senderName(sender()->name());
-    bool found = false;
-    CreateFileEntry entry;
-    while (!found && (it != end)) {
-        if ((*it).index() == senderName) {
-            entry = (*it).value();
-            found = true;
-        }
-        else {
-            ++it;
+    if (newSplitViewUrl.isEmpty()) {
+        const KFileItemList list = m_activeViewContainer->view()->selectedItems();
+        if (list.count() == 1) {
+            const KFileItem &item = list.first();
+            newSplitViewUrl = DolphinView::openItemAsFolderUrl(item);

         }
     }
 
         }
     }
 

-    DolphinStatusBar* statusBar = m_activeView->statusBar();
-    if (!found || !QFile::exists(entry.templatePath)) {
-        statusBar->setMessage(i18n("Could not create file."), DolphinStatusBar::Error);
-       return;
-    }
-
-    // Get the source path of the template which should be copied.
-    // The source path is part of the Url entry of the desktop file.
-    const int pos = entry.templatePath.findRev('/');
-    QString sourcePath(entry.templatePath.left(pos + 1));
-    sourcePath += KDesktopFile(entry.templatePath, true).readPathEntry("Url");
-
-    QString name(i18n(entry.name.ascii()));
-    // Most entry names end with "..." (e. g. "HTML File..."), which is ok for
-    // menus but no good choice for a new file name -> remove the dots...
-    name.replace("...", QString::null);
-
-    // add the file extension to the name
-    name.append(sourcePath.right(sourcePath.length() - sourcePath.findRev('.')));
-
-    // Check whether a file with the current name already exists. If yes suggest automatically
-    // a unique file name (e. g. "HTML File" will be replaced by "HTML File_1").
-    const KUrl viewUrl(m_activeView->url());
-    const bool fileExists = viewUrl.isLocalFile() &&
-                            QFileInfo(viewUrl.path(KUrl::AddTrailingSlash) + KIO::encodeFileName(name)).exists();
-    if (fileExists) {
-        name = KIO::RenameDlg::suggestName(viewUrl, name);
-    }
-
-    // let the user change the suggested file name
-    bool ok = false;
-    name = KInputDialog::getText(entry.name,
-                                 entry.comment,
-                                 name,
-                                 &ok,
-                                 this);
-    if (!ok) {
-        // the user has pressed 'Cancel'
+    if (newSplitViewUrl.isEmpty()) {

         return;
     }
 
         return;
     }
 

-    // before copying the template to the destination path check whether a file
-    // with the given name already exists
-    const QString destPath(viewUrl.pathOrUrl() + "/" + KIO::encodeFileName(name));
-    const KUrl destUrl(destPath);
-    if (KIO::NetAccess::exists(destUrl, false, this)) {
-        statusBar->setMessage(i18n("A file named %1 already exists.",name),
-                              DolphinStatusBar::Error);
-        return;
+    DolphinTabPage *tabPage = m_tabWidget->currentTabPage();
+    if (tabPage->splitViewEnabled()) {
+        tabPage->switchActiveView();
+        tabPage->activeViewContainer()->setUrl(newSplitViewUrl);
+    } else {
+        tabPage->setSplitViewEnabled(true, WithAnimation, newSplitViewUrl);
+        updateViewActions();

     }
     }

+}

 
 

-    // copy the template to the destination path
-    const KUrl sourceUrl(sourcePath);
-    KIO::CopyJob* job = KIO::copyAs(sourceUrl, destUrl);
-    job->setDefaultPermissions(true);
-    if (KIO::NetAccess::synchronousRun(job, this)) {
-        statusBar->setMessage(i18n("Created file %1.",name),
-                              DolphinStatusBar::OperationCompleted);
+void DolphinMainWindow::showTarget()
+{
+    const KFileItem link = m_activeViewContainer->view()->selectedItems().at(0);
+    const QUrl destinationUrl = link.url().resolved(QUrl(link.linkDest()));

 
 

-        KUrl::List list;
-        list.append(sourceUrl);
-        DolphinCommand command(DolphinCommand::CreateFile, list, destUrl);
-        UndoManager::instance().addCommand(command);
+    auto job = KIO::stat(destinationUrl, KIO::StatJob::SourceSide, KIO::StatNoDetails);

 
 

-    }
-    else {
-        statusBar->setMessage(i18n("Creating of file %1 failed.",name),
-                              DolphinStatusBar::Error);
-    }
+    connect(job, &KJob::finished, this, [this, destinationUrl](KJob *job) {
+        KIO::StatJob *statJob = static_cast<KIO::StatJob *>(job);
+
+        if (statJob->error()) {
+            m_activeViewContainer->showMessage(job->errorString(), KMessageWidget::Error);
+        } else {
+            KIO::highlightInFileManager({destinationUrl});
+        }
+    });

 }
 
 }
 

-void DolphinMainWindow::rename()
+bool DolphinMainWindow::event(QEvent *event)

 {
 {

-    clearStatusBar();
-    m_activeView->renameSelectedItems();
+    if (event->type() == QEvent::ShortcutOverride) {
+        const QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+        if (keyEvent->key() == Qt::Key_Space && m_activeViewContainer->view()->handleSpaceAsNormalKey()) {
+            event->accept();
+            return true;
+        }
+    }
+
+    return KXmlGuiWindow::event(event);

 }
 
 }
 

-void DolphinMainWindow::moveToTrash()
+void DolphinMainWindow::showEvent(QShowEvent *event)

 {
 {

-    clearStatusBar();
-    KUrl::List selectedUrls = m_activeView->selectedUrls();
-    KIO::Job* job = KIO::trash(selectedUrls);
-    addPendingUndoJob(job, DolphinCommand::Trash, selectedUrls, m_activeView->url());
+    KXmlGuiWindow::showEvent(event);
+
+    if (!event->spontaneous() && m_activeViewContainer) {
+        m_activeViewContainer->view()->setFocus();
+    }

 }
 
 }
 

-void DolphinMainWindow::deleteItems()
+void DolphinMainWindow::closeEvent(QCloseEvent *event)

 {
 {

-    clearStatusBar();
+    // 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;
+    }

 
 

-    KUrl::List list = m_activeView->selectedUrls();
-    const uint itemCount = list.count();
-    assert(itemCount >= 1);
+    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);

 
 

-    QString text;
-    if (itemCount > 1) {
-        text = i18n("Do you really want to delete the %1 selected items?",itemCount);
+        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;
+        }

     }
     }

-    else {
-        const KUrl& url = list.first();
-        text = i18n("Do you really want to delete '%1'?",url.fileName());
+
+    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::Notify | 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;
+        }

     }
 
     }
 

-    const bool del = KMessageBox::warningContinueCancel(this,
-                                                        text,
-                                                        QString::null,
-                                                        KGuiItem(i18n("Delete"), SmallIcon("editdelete"))
-                                                       ) == KMessageBox::Continue;
-    if (del) {
-        KIO::Job* job = KIO::del(list);
-        connect(job, SIGNAL(result(KJob*)),
-                this, SLOT(slotHandleJobError(KJob*)));
-        connect(job, SIGNAL(result(KJob*)),
-                this, SLOT(slotDeleteFileFinished(KJob*)));
+    if (m_sessionSaveTimer && (m_sessionSaveTimer->isActive() || m_sessionSaveWatcher->isRunning())) {
+        const bool sessionSaveTimerActive = m_sessionSaveTimer->isActive();
+
+        m_sessionSaveTimer->stop();
+        m_sessionSaveWatcher->disconnect();
+        m_sessionSaveWatcher->waitForFinished();
+
+        if (sessionSaveTimerActive || m_sessionSaveScheduled) {
+            slotSaveSession();
+        }

     }
     }

+
+    GeneralSettings::setVersion(CurrentDolphinVersion);
+    GeneralSettings::self()->save();
+
+    KXmlGuiWindow::closeEvent(event);

 }
 
 }
 

-void DolphinMainWindow::properties()
+void DolphinMainWindow::slotSaveSession()

 {
 {

-    const KFileItemList* sourceList = m_activeView->selectedItems();
-    if (sourceList == 0) {
-        return;
+    m_sessionSaveScheduled = false;
+
+    if (m_sessionSaveWatcher->isRunning()) {
+        // The previous session is still being saved - schedule another save.
+        m_sessionSaveWatcher->disconnect();
+        connect(m_sessionSaveWatcher, &QFutureWatcher<void>::finished, this, &DolphinMainWindow::slotSaveSession, Qt::SingleShotConnection);
+        m_sessionSaveScheduled = true;
+    } else if (!m_sessionSaveTimer->isActive()) {
+        // No point in saving the session if the timer is running (since it will save the session again when it times out).
+        KConfigGui::setSessionConfig(QStringLiteral("dolphin"), QStringLiteral("dolphin"));
+        KConfig *config = KConfigGui::sessionConfig();
+        saveGlobalProperties(config);
+        savePropertiesInternal(config, 1);
+        KConfigGroup group = config->group(QStringLiteral("Number"));
+        group.writeEntry("NumberOfWindows", 1); // Makes session restore aware that there is a window to restore.
+
+        auto future = QtConcurrent::run([config]() {
+            config->sync();
+        });
+        m_sessionSaveWatcher->setFuture(future);

     }
     }

+}
+
+void DolphinMainWindow::setSessionAutoSaveEnabled(bool enable)
+{
+    if (enable) {
+        if (!m_sessionSaveTimer) {
+            m_sessionSaveTimer = new QTimer(this);
+            m_sessionSaveWatcher = new QFutureWatcher<void>(this);
+            m_sessionSaveTimer->setSingleShot(true);
+            m_sessionSaveTimer->setInterval(22000);
+
+            connect(m_sessionSaveTimer, &QTimer::timeout, this, &DolphinMainWindow::slotSaveSession);
+        }
+
+        connect(m_tabWidget, &DolphinTabWidget::urlChanged, m_sessionSaveTimer, qOverload<>(&QTimer::start), Qt::UniqueConnection);
+        connect(m_tabWidget, &DolphinTabWidget::tabCountChanged, m_sessionSaveTimer, qOverload<>(&QTimer::start), Qt::UniqueConnection);
+        connect(m_tabWidget, &DolphinTabWidget::activeViewChanged, m_sessionSaveTimer, qOverload<>(&QTimer::start), Qt::UniqueConnection);
+    } else if (m_sessionSaveTimer) {
+        m_sessionSaveTimer->stop();
+        m_sessionSaveWatcher->disconnect();
+        m_sessionSaveScheduled = false;

 
 

-    KFileItemList list;
-    KFileItemList::const_iterator it = sourceList->begin();
-    const KFileItemList::const_iterator end = sourceList->end();
-    KFileItem* item = 0;
-    while (it != end) {
-        list.append(item);
-        ++it;
+        m_sessionSaveWatcher->waitForFinished();
+
+        m_sessionSaveTimer->deleteLater();
+        m_sessionSaveWatcher->deleteLater();
+        m_sessionSaveTimer = nullptr;
+        m_sessionSaveWatcher = nullptr;

     }
     }

+}

 
 

-    new KPropertiesDialog(list, this);
+void DolphinMainWindow::saveProperties(KConfigGroup &group)
+{
+    m_tabWidget->saveProperties(group);

 }
 
 }
 

-void DolphinMainWindow::quit()
+void DolphinMainWindow::readProperties(const KConfigGroup &group)

 {
 {

-    close();
+    m_tabWidget->readProperties(group);

 }
 
 }
 

-void DolphinMainWindow::slotHandleJobError(KJob* job)
+void DolphinMainWindow::updateNewMenu()

 {
 {

-    if (job->error() != 0) {
-        m_activeView->statusBar()->setMessage(job->errorString(),
-                                              DolphinStatusBar::Error);
-    }
+    m_newFileMenu->checkUpToDate();
+    m_newFileMenu->setWorkingDirectory(activeViewContainer()->url());

 }
 
 }
 

-void DolphinMainWindow::slotDeleteFileFinished(KJob* job)
+void DolphinMainWindow::createDirectory()

 {
 {

-    if (job->error() == 0) {
-        m_activeView->statusBar()->setMessage(i18n("Delete operation completed."),
-                                               DolphinStatusBar::OperationCompleted);
+    // When creating directory, namejob is being run. In network folders,
+    // this job can take long time, so instead of starting multiple namejobs,
+    // just check if we are already running one. This prevents opening multiple
+    // dialogs. BUG:481401
+    if (!m_newFileMenu->isCreateDirectoryRunning()) {
+        m_newFileMenu->setWorkingDirectory(activeViewContainer()->url());
+        m_newFileMenu->createDirectory();
+    }
+}

 
 

-        // TODO: In opposite to the 'Move to Trash' operation in the class KFileIconView
-        // no rearranging of the item position is done when a file has been deleted.
-        // This is bypassed by reloading the view, but it might be worth to investigate
-        // deeper for the root of this issue.
-        m_activeView->reload();
+void DolphinMainWindow::createFile()
+{
+    // Use the same logic as in createDirectory()
+    if (!m_newFileMenu->isCreateFileRunning()) {
+        m_newFileMenu->setWorkingDirectory(activeViewContainer()->url());
+        m_newFileMenu->createFile();

     }
 }
 
     }
 }
 

+void DolphinMainWindow::quit()
+{
+    close();
+}
+
+void DolphinMainWindow::showErrorMessage(const QString &message)
+{
+    m_activeViewContainer->showMessage(message, KMessageWidget::Error);
+}
+

 void DolphinMainWindow::slotUndoAvailable(bool available)
 {
 void DolphinMainWindow::slotUndoAvailable(bool available)
 {

-    KAction* undoAction = actionCollection()->action(KStdAction::stdName(KStdAction::Undo));
-    if (undoAction != 0) {
+    QAction *undoAction = actionCollection()->action(KStandardAction::name(KStandardAction::Undo));
+    if (undoAction) {

         undoAction->setEnabled(available);
     }
 }
 
         undoAction->setEnabled(available);
     }
 }
 

-void DolphinMainWindow::slotUndoTextChanged(const QString& text)
+void DolphinMainWindow::slotUndoTextChanged(const QString &text)

 {
 {

-    KAction* undoAction = actionCollection()->action(KStdAction::stdName(KStdAction::Undo));
-    if (undoAction != 0) {
+    QAction *undoAction = actionCollection()->action(KStandardAction::name(KStandardAction::Undo));
+    if (undoAction) {

         undoAction->setText(text);
     }
 }
 
         undoAction->setText(text);
     }
 }
 

-void DolphinMainWindow::slotRedoAvailable(bool available)
+void DolphinMainWindow::undo()
+{
+    clearStatusBar();
+    KIO::FileUndoManager::self()->uiInterface()->setParentWidget(this);
+    KIO::FileUndoManager::self()->undo();
+}
+
+void DolphinMainWindow::cut()

 {
 {

-    KAction* redoAction = actionCollection()->action(KStdAction::stdName(KStdAction::Redo));
-    if (redoAction != 0) {
-        redoAction->setEnabled(available);
+    if (m_activeViewContainer->view()->selectedItems().isEmpty()) {
+        m_activeViewContainer->setSelectionModeEnabled(true, actionCollection(), SelectionMode::BottomBar::Contents::CutContents);
+    } else {
+        m_activeViewContainer->view()->cutSelectedItemsToClipboard();
+        m_activeViewContainer->setSelectionModeEnabled(false);

     }
 }
 
     }
 }
 

-void DolphinMainWindow::slotRedoTextChanged(const QString& text)
+void DolphinMainWindow::copy()

 {
 {

-    KAction* redoAction = actionCollection()->action(KStdAction::stdName(KStdAction::Redo));
-    if (redoAction != 0) {
-        redoAction->setText(text);
+    if (m_activeViewContainer->view()->selectedItems().isEmpty()) {
+        m_activeViewContainer->setSelectionModeEnabled(true, actionCollection(), SelectionMode::BottomBar::Contents::CopyContents);
+    } else {
+        m_activeViewContainer->view()->copySelectedItemsToClipboard();
+        m_activeViewContainer->setSelectionModeEnabled(false);

     }
 }
 
     }
 }
 

-void DolphinMainWindow::cut()
+void DolphinMainWindow::paste()

 {
 {

-    // TODO: this boolean doesn't work between instances of dolphin or with konqueror or with other
-    // apps. The "application/x-kde-cutselection" mimetype should be used instead, see KonqMimeData
-    // in libkonq
-    m_clipboardContainsCutData = true;
-    /* KDE4-TODO: Q3DragObject* data = new KUrlDrag(m_activeView->selectedUrls(),
-                                       widget());
-    QApplication::clipboard()->setData(data);*/
+    m_activeViewContainer->view()->paste();

 }
 
 }
 

-void DolphinMainWindow::copy()
+void DolphinMainWindow::find()

 {
 {

-    m_clipboardContainsCutData = false;
-    /* KDE4-TODO:
-    Q3DragObject* data = new KUrlDrag(m_activeView->selectedUrls(),
-                                     widget());
-    QApplication::clipboard()->setData(data);*/
+    m_activeViewContainer->setSearchBarVisible(true);
+    m_activeViewContainer->setFocusToSearchBar();

 }
 
 }
 

-void DolphinMainWindow::paste()
+void DolphinMainWindow::updateSearchAction()

 {
 {

-    /* KDE4-TODO:   - see KonqOperations::doPaste
-    QClipboard* clipboard = QApplication::clipboard();
-    QMimeSource* data = clipboard->data();
-    if (!KUrlDrag::canDecode(data)) {
-        return;
+    QAction *toggleSearchAction = actionCollection()->action(QStringLiteral("toggle_search"));
+    toggleSearchAction->setChecked(m_activeViewContainer->isSearchBarVisible());
+}
+
+void DolphinMainWindow::updatePasteAction()
+{
+    QAction *pasteAction = actionCollection()->action(KStandardAction::name(KStandardAction::Paste));
+    QPair<bool, QString> pasteInfo = m_activeViewContainer->view()->pasteInfo();
+    pasteAction->setEnabled(pasteInfo.first);
+    m_disabledActionNotifier->setDisabledReason(pasteAction,
+                                                m_activeViewContainer->rootItem().isWritable()
+                                                    ? i18nc("@info", "Cannot paste: The clipboard is empty.")
+                                                    : i18nc("@info", "Cannot paste: You do not have permission to write into this folder."));
+    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();

     }
     }

+}

 
 

-    clearStatusBar();
+QAction *DolphinMainWindow::urlNavigatorHistoryAction(const KUrlNavigator *urlNavigator, int historyIndex, QObject *parent)
+{
+    const QUrl url = urlNavigator->locationUrl(historyIndex);
+
+    QString text;
+
+    if (isSearchUrl(url)) {
+        text = Search::DolphinQuery(url, QUrl{}).title();
+    } else if (urlNavigator->showFullPath()) {
+        text = url.toDisplayString(QUrl::PreferLocalFile);
+    } else {
+        const KFilePlacesModel *placesModel = DolphinPlacesModelSingleton::instance().placesModel();
+
+        const QModelIndex closestIdx = placesModel->closestItem(url);
+        if (closestIdx.isValid()) {
+            const QUrl placeUrl = placesModel->url(closestIdx);
+
+            text = placesModel->text(closestIdx);
+
+            QString pathInsidePlace = url.path().mid(placeUrl.path().length());
+
+            if (!pathInsidePlace.isEmpty() && !pathInsidePlace.startsWith(QLatin1Char('/'))) {
+                pathInsidePlace.prepend(QLatin1Char('/'));
+            }

 
 

-    KUrl::List sourceUrls;
-    KUrlDrag::decode(data, sourceUrls);
-
-    // per default the pasting is done into the current Url of the view
-    KUrl destUrl(m_activeView->url());
-
-    // check whether the pasting should be done into a selected directory
-    KUrl::List selectedUrls = m_activeView->selectedUrls();
-    if (selectedUrls.count() == 1) {
-        const KFileItem fileItem(S_IFDIR,
-                                 KFileItem::Unknown,
-                                 selectedUrls.first(),
-                                 true);
-        if (fileItem.isDir()) {
-            // only one item is selected which is a directory, hence paste
-            // into this directory
-            destUrl = selectedUrls.first();
+            if (pathInsidePlace != QLatin1Char('/')) {
+                text.append(pathInsidePlace);
+            }

         }
     }
 
         }
     }
 

+    QAction *action = new QAction(QIcon::fromTheme(KIO::iconNameForUrl(url)), text, parent);
+    action->setData(historyIndex);
+    return action;
+}

 
 

-    updateViewProperties(sourceUrls);
-    if (m_clipboardContainsCutData) {
-        moveUrls(sourceUrls, destUrl);
-        m_clipboardContainsCutData = false;
-        clipboard->clear();
+void DolphinMainWindow::slotAboutToShowBackPopupMenu()
+{
+    const KUrlNavigator *urlNavigator = m_activeViewContainer->urlNavigatorInternalWithHistory();
+    int entries = 0;
+    QMenu *menu = m_backAction->popupMenu();
+    menu->clear();
+    for (int i = urlNavigator->historyIndex() + 1; i < urlNavigator->historySize() && entries < MaxNumberOfNavigationentries; ++i, ++entries) {
+        QAction *action = urlNavigatorHistoryAction(urlNavigator, i, menu);
+        menu->addAction(action);

     }
     }

-    else {
-        copyUrls(sourceUrls, destUrl);
-    }*/

 }
 
 }
 

-void DolphinMainWindow::updatePasteAction()
+void DolphinMainWindow::slotGoBack(QAction *action)

 {
 {

-    KAction* pasteAction = actionCollection()->action(KStdAction::stdName(KStdAction::Paste));
-    if (pasteAction == 0) {
-        return;
+    int gotoIndex = action->data().value<int>();
+    const KUrlNavigator *urlNavigator = m_activeViewContainer->urlNavigatorInternalWithHistory();
+    for (int i = gotoIndex - urlNavigator->historyIndex(); i > 0; --i) {
+        goBack();

     }
     }

+}

 
 

-    QString text(i18n("Paste"));
-    QClipboard* clipboard = QApplication::clipboard();
-    QMimeSource* data = clipboard->data();
-    /* KDE4-TODO:
-    if (KUrlDrag::canDecode(data)) {
-        pasteAction->setEnabled(true);
-
-        KUrl::List urls;
-        KUrlDrag::decode(data, urls);
-        const int count = urls.count();
-        if (count == 1) {
-            pasteAction->setText(i18n("Paste 1 File"));
-        }
-        else {
-            pasteAction->setText(i18n("Paste %1 Files").arg(count));
-        }
-    }
-    else {*/
-        pasteAction->setEnabled(false);
-        pasteAction->setText(i18n("Paste"));
-    //}
-
-    if (pasteAction->isEnabled()) {
-        KUrl::List urls = m_activeView->selectedUrls();
-        const uint count = urls.count();
-        if (count > 1) {
-            // pasting should not be allowed when more than one file
-            // is selected
-            pasteAction->setEnabled(false);
-        }
-        else if (count == 1) {
-            // Only one file is selected. Pasting is only allowed if this
-            // file is a directory.
-            // TODO: this doesn't work with remote protocols; instead we need a
-            // m_activeView->selectedFileItems() to get the real KFileItems
-            const KFileItem fileItem(S_IFDIR,
-                                     KFileItem::Unknown,
-                                     urls.first(),
-                                     true);
-            pasteAction->setEnabled(fileItem.isDir());
-        }
+void DolphinMainWindow::slotBackForwardActionMiddleClicked(QAction *action)
+{
+    if (action) {
+        const KUrlNavigator *urlNavigator = activeViewContainer()->urlNavigatorInternalWithHistory();
+        openNewTab(urlNavigator->locationUrl(action->data().value<int>()));

     }
 }
 
     }
 }
 

-void DolphinMainWindow::selectAll()
+void DolphinMainWindow::slotAboutToShowForwardPopupMenu()

 {
 {

-    clearStatusBar();
-    m_activeView->selectAll();
+    const KUrlNavigator *urlNavigator = m_activeViewContainer->urlNavigatorInternalWithHistory();
+    int entries = 0;
+    QMenu *menu = m_forwardAction->popupMenu();
+    menu->clear();
+    for (int i = urlNavigator->historyIndex() - 1; i >= 0 && entries < MaxNumberOfNavigationentries; --i, ++entries) {
+        QAction *action = urlNavigatorHistoryAction(urlNavigator, i, menu);
+        menu->addAction(action);
+    }

 }
 
 }
 

-void DolphinMainWindow::invertSelection()
+void DolphinMainWindow::slotGoForward(QAction *action)

 {
 {

-    clearStatusBar();
-    m_activeView->invertSelection();
+    int gotoIndex = action->data().value<int>();
+    const KUrlNavigator *urlNavigator = m_activeViewContainer->urlNavigatorInternalWithHistory();
+    for (int i = urlNavigator->historyIndex() - gotoIndex; i > 0; --i) {
+        goForward();
+    }

 }
 }

-void DolphinMainWindow::setIconsView()
+
+void DolphinMainWindow::slotSetSelectionMode(bool enabled, SelectionMode::BottomBar::Contents bottomBarContents)

 {
 {

-    m_activeView->setMode(DolphinView::IconsView);
+    m_activeViewContainer->setSelectionModeEnabled(enabled, actionCollection(), bottomBarContents);

 }
 
 }
 

-void DolphinMainWindow::setDetailsView()
+void DolphinMainWindow::selectAll()

 {
 {

-    m_activeView->setMode(DolphinView::DetailsView);
+    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::setPreviewsView()
+void DolphinMainWindow::invertSelection()

 {
 {

-    m_activeView->setMode(DolphinView::PreviewsView);
+    clearStatusBar();
+    m_activeViewContainer->view()->invertSelection();

 }
 
 }
 

-void DolphinMainWindow::sortByName()
+void DolphinMainWindow::toggleSplitView()

 {
 {

-    m_activeView->setSorting(DolphinView::SortByName);
+    QUrl newSplitViewUrl;
+    const KFileItemList list = m_activeViewContainer->view()->selectedItems();
+    if (list.count() == 1) {
+        const KFileItem &item = list.first();
+        newSplitViewUrl = DolphinView::openItemAsFolderUrl(item);
+    }
+
+    DolphinTabPage *tabPage = m_tabWidget->currentTabPage();
+    tabPage->setSplitViewEnabled(!tabPage->splitViewEnabled(), WithAnimation, newSplitViewUrl);
+    m_tabWidget->updateTabName(m_tabWidget->indexOf(tabPage));
+    updateViewActions();

 }
 
 }
 

-void DolphinMainWindow::sortBySize()
+void DolphinMainWindow::popoutSplitView()

 {
 {

-    m_activeView->setSorting(DolphinView::SortBySize);
+    DolphinTabPage *tabPage = m_tabWidget->currentTabPage();
+    if (!tabPage->splitViewEnabled())
+        return;
+    openNewWindow((GeneralSettings::closeActiveSplitView() ? tabPage->activeViewContainer() : tabPage->inactiveViewContainer())->url());
+    tabPage->setSplitViewEnabled(false, WithAnimation);
+    updateSplitActions();

 }
 
 }
 

-void DolphinMainWindow::sortByDate()
+void DolphinMainWindow::toggleSplitStash()

 {
 {

-    m_activeView->setSorting(DolphinView::SortByDate);
+    DolphinTabPage *tabPage = m_tabWidget->currentTabPage();
+    tabPage->setSplitViewEnabled(false, WithAnimation);
+    tabPage->setSplitViewEnabled(true, WithAnimation, QUrl("stash:/"));

 }
 
 }
 

-void DolphinMainWindow::toggleSortOrder()
+void DolphinMainWindow::copyToInactiveSplitView()

 {
 {

-    const Qt::SortOrder order = (m_activeView->sortOrder() == Qt::Ascending) ?
-                                Qt::Descending :
-                                Qt::Ascending;
-    m_activeView->setSortOrder(order);
+    if (m_activeViewContainer->view()->selectedItems().isEmpty()) {
+        m_activeViewContainer->setSelectionModeEnabled(true, actionCollection(), SelectionMode::BottomBar::Contents::CopyToOtherViewContents);
+    } else {
+        m_tabWidget->copyToInactiveSplitView();
+        m_activeViewContainer->setSelectionModeEnabled(false);
+    }

 }
 
 }
 

-void DolphinMainWindow::toggleSplitView()
+void DolphinMainWindow::moveToInactiveSplitView()

 {
 {

-    if (m_view[SecondaryIdx] == 0) {
-        // create a secondary view
-        m_view[SecondaryIdx] = new DolphinView(this,
-                                               m_splitter,
-                                               m_view[PrimaryIdx]->url(),
-                                               m_view[PrimaryIdx]->mode(),
-                                               m_view[PrimaryIdx]->isShowHiddenFilesEnabled());
-        m_view[SecondaryIdx]->show();
-    }
-    else {
-        // remove secondary view
-        if (m_activeView == m_view[PrimaryIdx]) {
-            m_view[SecondaryIdx]->close();
-            m_view[SecondaryIdx]->deleteLater();
-            m_view[SecondaryIdx] = 0;
-            setActiveView(m_view[PrimaryIdx]);
-        }
-        else {
-            // The secondary view is active, hence from the users point of view
-            // the content of the secondary view should be moved to the primary view.
-            // From an implementation point of view it is more efficient to close
-            // the primary view and exchange the internal pointers afterwards.
-            m_view[PrimaryIdx]->close();
-            m_view[PrimaryIdx]->deleteLater();
-            m_view[PrimaryIdx] = m_view[SecondaryIdx];
-            m_view[SecondaryIdx] = 0;
-            setActiveView(m_view[PrimaryIdx]);
-        }
+    if (m_activeViewContainer->view()->selectedItems().isEmpty()) {
+        m_activeViewContainer->setSelectionModeEnabled(true, actionCollection(), SelectionMode::BottomBar::Contents::MoveToOtherViewContents);
+    } else {
+        m_tabWidget->moveToInactiveSplitView();
+        m_activeViewContainer->setSelectionModeEnabled(false);

     }
 }
 
 void DolphinMainWindow::reloadView()
 {
     clearStatusBar();
     }
 }
 
 void DolphinMainWindow::reloadView()
 {
     clearStatusBar();

-    m_activeView->reload();
+    m_activeViewContainer->reload();
+    m_activeViewContainer->statusBar()->updateSpaceInfo();

 }
 
 void DolphinMainWindow::stopLoading()
 {
 }
 
 void DolphinMainWindow::stopLoading()
 {

+    m_activeViewContainer->view()->stopLoading();

 }
 
 }
 

-void DolphinMainWindow::showHiddenFiles()
+void DolphinMainWindow::enableStopAction()

 {
 {

-    clearStatusBar();
+    actionCollection()->action(QStringLiteral("stop"))->setEnabled(true);
+}

 
 

-    const KToggleAction* showHiddenFilesAction =
-        static_cast<KToggleAction*>(actionCollection()->action("show_hidden_files"));
-    const bool show = showHiddenFilesAction->isChecked();
-    m_activeView->setShowHiddenFilesEnabled(show);
+void DolphinMainWindow::disableStopAction()
+{
+    actionCollection()->action(QStringLiteral("stop"))->setEnabled(false);

 }
 
 }
 

-void DolphinMainWindow::showFilterBar()
+void DolphinMainWindow::toggleSelectionMode()

 {
 {

-    const KToggleAction* showFilterBarAction =
-        static_cast<KToggleAction*>(actionCollection()->action("show_filter_bar"));
-    const bool show = showFilterBarAction->isChecked();
-    m_activeView->slotShowFilterBar(show);
+    const bool checked = !m_activeViewContainer->isSelectionModeEnabled();
+
+    m_activeViewContainer->setSelectionModeEnabled(checked, actionCollection(), SelectionMode::BottomBar::Contents::GeneralContents);
+    actionCollection()->action(QStringLiteral("toggle_selection_mode"))->setChecked(checked);

 }
 
 }
 

-void DolphinMainWindow::zoomIn()
+void DolphinMainWindow::showFilterBar()

 {
 {

-    m_activeView->zoomIn();
-    updateViewActions();
+    m_activeViewContainer->setFilterBarVisible(true);

 }
 
 }
 

-void DolphinMainWindow::zoomOut()
+void DolphinMainWindow::toggleFilterBar()

 {
 {

-    m_activeView->zoomOut();
-    updateViewActions();
+    const bool checked = !m_activeViewContainer->isFilterBarVisible();
+    m_activeViewContainer->setFilterBarVisible(checked);
+
+    QAction *toggleFilterBarAction = actionCollection()->action(QStringLiteral("toggle_filter"));
+    toggleFilterBarAction->setChecked(checked);

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

-    KToggleAction* action = static_cast<KToggleAction*>(actionCollection()->action("editable_location"));
+    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();

 
 

-    bool editOrBrowse = action->isChecked();
-//    action->setChecked(action->setChecked);
-    m_activeView->setUrlEditable(editOrBrowse);
+    // If the text field currently has focus and everything is selected,
+    // pressing the keyboard shortcut returns the whole thing to breadcrumb mode
+    // and goes back to the view, just like how it was before this action was triggered the first time.
+    if (navigator->isUrlEditable() && lineEdit->hasFocus() && lineEdit->selectedText() == lineEdit->text()) {
+        navigator->setUrlEditable(false);
+        m_activeViewContainer->view()->setFocus();
+    } else {
+        navigator->setUrlEditable(true);
+        navigator->setFocus();
+        lineEdit->selectAll();
+    }

 }
 
 }
 

-void DolphinMainWindow::editLocation()
+void DolphinMainWindow::togglePanelLockState()

 {
 {

-    KToggleAction* action = static_cast<KToggleAction*>(actionCollection()->action("editable_location"));
-    action->setChecked(true);
-    m_activeView->setUrlEditable(true);
+    const bool newLockState = !GeneralSettings::lockPanels();
+    const auto childrenObjects = children();
+    for (QObject *child : childrenObjects) {
+        DolphinDockWidget *dock = qobject_cast<DolphinDockWidget *>(child);
+        if (dock) {
+            dock->setLocked(newLockState);
+        }
+    }
+
+    DolphinPlacesModelSingleton::instance().placesModel()->setPanelsLocked(newLockState);
+
+    GeneralSettings::setLockPanels(newLockState);

 }
 
 }
 

-void DolphinMainWindow::adjustViewProperties()
+void DolphinMainWindow::slotTerminalPanelVisibilityChanged(bool visible)

 {
 {

-    clearStatusBar();
-    ViewPropertiesDialog dlg(m_activeView);
-    dlg.exec();
+    if (!visible && m_activeViewContainer) {
+        m_activeViewContainer->view()->setFocus();
+    }
+    // Putting focus to the Terminal is not handled here but in TerminalPanel::showEvent().
+}
+
+void DolphinMainWindow::slotPlacesPanelVisibilityChanged(bool visible)
+{
+    if (!visible && m_activeViewContainer) {
+        m_activeViewContainer->view()->setFocus();
+        return;
+    }
+    m_placesPanel->setFocus();

 }
 
 void DolphinMainWindow::goBack()
 {
 }
 
 void DolphinMainWindow::goBack()
 {

-    clearStatusBar();
-    m_activeView->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()
 {
 }
 
 void DolphinMainWindow::goForward()
 {

-    clearStatusBar();
-    m_activeView->goForward();
+    m_activeViewContainer->urlNavigatorInternalWithHistory()->goForward();

 }
 
 void DolphinMainWindow::goUp()
 {
 }
 
 void DolphinMainWindow::goUp()
 {

-    clearStatusBar();
-    m_activeView->goUp();
+    m_activeViewContainer->urlNavigatorInternalWithHistory()->goUp();

 }
 
 void DolphinMainWindow::goHome()
 {
 }
 
 void DolphinMainWindow::goHome()
 {

-    clearStatusBar();
-    m_activeView->goHome();
+    m_activeViewContainer->urlNavigatorInternalWithHistory()->goHome();

 }
 
 }
 

-void DolphinMainWindow::openTerminal()
+void DolphinMainWindow::goBackInNewTab()

 {
 {

-    QString command("konsole --workdir \"");
-    command.append(m_activeView->url().path());
-    command.append('\"');
-
-    KRun::runCommand(command, "Konsole", "konsole");
+    const KUrlNavigator *urlNavigator = activeViewContainer()->urlNavigatorInternalWithHistory();
+    const int index = urlNavigator->historyIndex() + 1;
+    openNewTab(urlNavigator->locationUrl(index));

 }
 
 }
 

-void DolphinMainWindow::findFile()
+void DolphinMainWindow::goForwardInNewTab()

 {
 {

-    KRun::run("kfind", m_activeView->url());
+    const KUrlNavigator *urlNavigator = activeViewContainer()->urlNavigatorInternalWithHistory();
+    const int index = urlNavigator->historyIndex() - 1;
+    openNewTab(urlNavigator->locationUrl(index));

 }
 
 }
 

-void DolphinMainWindow::compareFiles()
+void DolphinMainWindow::goUpInNewTab()

 {
 {

-    // The method is only invoked if exactly 2 files have
-    // been selected. The selected files may be:
-    // - both in the primary view
-    // - both in the secondary view
-    // - one in the primary view and the other in the secondary
-    //   view
-    assert(m_view[PrimaryIdx] != 0);
-
-    KUrl urlA;
-    KUrl urlB;
-    KUrl::List urls = m_view[PrimaryIdx]->selectedUrls();
-
-    switch (urls.count()) {
-        case 0: {
-            assert(m_view[SecondaryIdx] != 0);
-            urls = m_view[SecondaryIdx]->selectedUrls();
-            assert(urls.count() == 2);
-            urlA = urls[0];
-            urlB = urls[1];
-            break;
-        }
-
-        case 1: {
-            urlA = urls[0];
-            assert(m_view[SecondaryIdx] != 0);
-            urls = m_view[SecondaryIdx]->selectedUrls();
-            assert(urls.count() == 1);
-            urlB = urls[0];
-            break;
-        }
+    const QUrl currentUrl = activeViewContainer()->urlNavigator()->locationUrl();
+    openNewTab(KIO::upUrl(currentUrl));
+}

 
 

-        case 2: {
-            urlA = urls[0];
-            urlB = urls[1];
-            break;
-        }
+void DolphinMainWindow::goHomeInNewTab()
+{
+    openNewTab(Dolphin::homeUrl());
+}

 
 

-        default: {
-            // may not happen: compareFiles may only get invoked if 2
-            // files are selected
-            assert(false);
-        }
+void DolphinMainWindow::compareFiles()
+{
+    const KFileItemList items = m_tabWidget->currentTabPage()->selectedItems();
+    if (items.count() != 2) {
+        // The action is disabled in this case, but it could have been triggered
+        // via D-Bus, see https://bugs.kde.org/show_bug.cgi?id=325517
+        return;

     }
 
     }
 

-    QString command("kompare -c \"");
-    command.append(urlA.pathOrUrl());
+    QUrl urlA = items.at(0).url();
+    QUrl urlB = items.at(1).url();
+
+    QString command(QStringLiteral("kompare -c \""));
+    command.append(urlA.toDisplayString(QUrl::PreferLocalFile));

     command.append("\" \"");
     command.append("\" \"");

-    command.append(urlB.pathOrUrl());
+    command.append(urlB.toDisplayString(QUrl::PreferLocalFile));

     command.append('\"');
     command.append('\"');

-    KRun::runCommand(command, "Kompare", "kompare");

 
 

+    KIO::CommandLauncherJob *job = new KIO::CommandLauncherJob(command, this);
+    job->setDesktopName(QStringLiteral("org.kde.kompare"));
+    job->start();

 }
 
 }
 

-void DolphinMainWindow::editSettings()
+void DolphinMainWindow::toggleShowMenuBar()

 {
 {

-    // TODO: make a static method for opening the settings dialog
-    DolphinSettingsDialog dlg(this);
-    dlg.exec();
+    const bool visible = menuBar()->isVisible();
+    menuBar()->setVisible(!visible);

 }
 
 }
 

-void DolphinMainWindow::addUndoOperation(KJob* job)
+QPointer<QAction> DolphinMainWindow::preferredSearchTool()

 {
 {

-    if (job->error() != 0) {
-        slotHandleJobError(job);
+    m_searchTools.clear();
+
+    KService::Ptr kfind = KService::serviceByDesktopName(QStringLiteral("org.kde.kfind"));
+
+    if (!kfind) {
+        return nullptr;

     }
     }

-    else {
-        const int id = job->progressId();

 
 

-        // set iterator to the executed command with the current id...
-        Q3ValueList<UndoInfo>::Iterator it = m_pendingUndoJobs.begin();
-        const Q3ValueList<UndoInfo>::Iterator end = m_pendingUndoJobs.end();
-        bool found = false;
-        while (!found && (it != end)) {
-            if ((*it).id == id) {
-                found = true;
-            }
-            else {
-                ++it;
-            }
-        }
+    auto *action = new QAction(QIcon::fromTheme(kfind->icon()), kfind->name(), this);

 
 

-        if (found) {
-            DolphinCommand command = (*it).command;
-            if (command.type() == DolphinCommand::Trash) {
-                // To be able to perform an undo for the 'Move to Trash' operation
-                // all source Urls must be updated with the trash Url. E. g. when moving
-                // a file "test.txt" and a second file "test.txt" to the trash,
-                // then the filenames in the trash are "0-test.txt" and "1-test.txt".
-                QMap<QString, QString> metaData;
-                KIO::Job *kiojob = qobject_cast<KIO::Job*>( job );
-                if ( kiojob )
-                {
-                    metaData = kiojob->metaData();
-                }
-                KUrl::List newSourceUrls;
-
-                KUrl::List sourceUrls = command.source();
-                KUrl::List::Iterator sourceIt = sourceUrls.begin();
-                const KUrl::List::Iterator sourceEnd = sourceUrls.end();
-
-                while (sourceIt != sourceEnd) {
-                    QMap<QString, QString>::ConstIterator metaIt = metaData.find("trashUrl-" + (*sourceIt).path());
-                    if (metaIt != metaData.end()) {
-                        newSourceUrls.append(KUrl(metaIt.data()));
-                    }
-                    ++sourceIt;
-                }
-                command.setSource(newSourceUrls);
-            }
+    connect(action, &QAction::triggered, this, [this, kfind] {
+        auto *job = new KIO::ApplicationLauncherJob(kfind);
+        job->setUrls({m_activeViewContainer->url()});
+        job->start();
+    });

 
 

-            UndoManager::instance().addCommand(command);
-            m_pendingUndoJobs.erase(it);
-
-            DolphinStatusBar* statusBar = m_activeView->statusBar();
-            switch (command.type()) {
-                case DolphinCommand::Copy:
-                    statusBar->setMessage(i18n("Copy operation completed."),
-                                          DolphinStatusBar::OperationCompleted);
-                    break;
-                case DolphinCommand::Move:
-                    statusBar->setMessage(i18n("Move operation completed."),
-                                          DolphinStatusBar::OperationCompleted);
-                    break;
-                case DolphinCommand::Trash:
-                    statusBar->setMessage(i18n("Move to trash operation completed."),
-                                          DolphinStatusBar::OperationCompleted);
-                    break;
-                default:
-                    break;
-            }
+    return action;
+}
+
+void DolphinMainWindow::updateOpenPreferredSearchToolAction()
+{
+    QAction *openPreferredSearchTool = actionCollection()->action(QStringLiteral("open_preferred_search_tool"));
+    if (!openPreferredSearchTool) {
+        return;
+    }
+    QPointer<QAction> tool = preferredSearchTool();
+    if (tool) {
+        openPreferredSearchTool->setVisible(true);
+        openPreferredSearchTool->setText(i18nc("@action:inmenu Tools", "Open %1", tool->text()));
+        // Only override with the app icon if it is the default, i.e. the user hasn't configured one manually
+        // https://bugs.kde.org/show_bug.cgi?id=442815
+        if (openPreferredSearchTool->icon().name() == QLatin1String("search")) {
+            openPreferredSearchTool->setIcon(tool->icon());

         }
         }

+    } else {
+        openPreferredSearchTool->setVisible(false);
+        // still visible in Shortcuts configuration window
+        openPreferredSearchTool->setText(i18nc("@action:inmenu Tools", "Open Preferred Search Tool"));
+        openPreferredSearchTool->setIcon(QIcon::fromTheme(QStringLiteral("search")));

     }
 }
 
     }
 }
 

-void DolphinMainWindow::toggleSidebar()
+void DolphinMainWindow::openPreferredSearchTool()

 {
 {

-    if (m_sidebar == 0) {
-        openSidebar();
-    }
-    else {
-        closeSidebar();
+    QPointer<QAction> tool = preferredSearchTool();
+    if (tool) {
+        tool->trigger();

     }
     }

+}

 
 

-    KToggleAction* sidebarAction = static_cast<KToggleAction*>(actionCollection()->action("sidebar"));
-    sidebarAction->setChecked(m_sidebar != 0);
+void DolphinMainWindow::openTerminal()
+{
+    openTerminalJob(m_activeViewContainer->url());

 }
 
 }
 

-void DolphinMainWindow::closeSidebar()
+void DolphinMainWindow::openTerminalHere()

 {
 {

-    if (m_sidebar == 0) {
-        // the sidebar has already been closed
+    QList<QUrl> urls = {};
+
+    const auto selectedItems = m_activeViewContainer->view()->selectedItems();
+    for (const KFileItem &item : selectedItems) {
+        QUrl url = item.targetUrl();
+        if (item.isFile()) {
+            url.setPath(QFileInfo(url.path()).absolutePath());
+        }
+        if (!urls.contains(url)) {
+            urls << url;
+        }
+    }
+
+    // No items are selected. Open a terminal window for the current location.
+    if (urls.count() == 0) {
+        openTerminal();

         return;
     }
 
         return;
     }
 

-    // store width of sidebar and remember that the sidebar has been closed
-    SidebarSettings* settings = DolphinSettings::instance().sidebarSettings();
-    settings->setVisible(false);
-    settings->setWidth(m_sidebar->width());
+    if (urls.count() > 5) {
+        QString question = i18np("Are you sure you want to open 1 terminal window?", "Are you sure you want to open %1 terminal windows?", urls.count());
+        const int answer = KMessageBox::warningContinueCancel(
+            this,
+            question,
+            {},
+            KGuiItem(i18ncp("@action:button", "Open %1 Terminal", "Open %1 Terminals", urls.count()), QStringLiteral("utilities-terminal")),
+            KStandardGuiItem::cancel(),
+            QStringLiteral("ConfirmOpenManyTerminals"));
+        if (answer != KMessageBox::PrimaryAction && answer != KMessageBox::Continue) {
+            return;
+        }
+    }

 
 

-    m_sidebar->deleteLater();
-    m_sidebar = 0;
+    for (const QUrl &url : std::as_const(urls)) {
+        openTerminalJob(url);
+    }

 }
 
 }
 

-
-void DolphinMainWindow::init()
+void DolphinMainWindow::openTerminalJob(const QUrl &url)

 {
 {

-    // Check whether Dolphin runs the first time. If yes then
-    // a proper default window size is given at the end of DolphinMainWindow::init().
-    GeneralSettings* generalSettings = DolphinSettings::instance().generalSettings();
-    const bool firstRun = generalSettings->firstRun();
+    if (url.isLocalFile()) {
+        auto job = new KTerminalLauncherJob(QString());
+        job->setWorkingDirectory(url.toLocalFile());
+        job->start();
+        return;
+    }

 
 

-    setAcceptDrops(true);
+    // Not a local file, with protocol Class ":local", try stat'ing
+    if (KProtocolInfo::protocolClass(url.scheme()) == QLatin1String(":local")) {
+        KIO::StatJob *job = KIO::mostLocalUrl(url);
+        KJobWidgets::setWindow(job, this);
+        connect(job, &KJob::result, this, [job]() {
+            QUrl statUrl;
+            if (!job->error()) {
+                statUrl = job->mostLocalUrl();
+            }

 
 

-    m_splitter = new QSplitter(this);
+            auto job = new KTerminalLauncherJob(QString());
+            job->setWorkingDirectory(statUrl.isLocalFile() ? statUrl.toLocalFile() : QDir::homePath());
+            job->start();
+        });

 
 

-    DolphinSettings& settings = DolphinSettings::instance();
+        return;
+    }

 
 

-    KBookmarkManager* manager = settings.bookmarkManager();
-    assert(manager != 0);
-    KBookmarkGroup root = manager->root();
-    if (root.first().isNull()) {
-        root.addBookmark(manager, i18n("Home"), settings.generalSettings()->homeUrl(), "folder_home");
-        root.addBookmark(manager, i18n("Storage Media"), KUrl("media:/"), "blockdevice");
-        root.addBookmark(manager, i18n("Network"), KUrl("remote:/"), "network_local");
-        root.addBookmark(manager, i18n("Root"), KUrl("/"), "folder_red");
-        root.addBookmark(manager, i18n("Trash"), KUrl("trash:/"), "trashcan_full");
+    // Nothing worked, just use $HOME
+    auto job = new KTerminalLauncherJob(QString());
+    job->setWorkingDirectory(QDir::homePath());
+    job->start();
+}
+
+void DolphinMainWindow::editSettings()
+{
+    if (!m_settingsDialog) {
+        DolphinViewContainer *container = activeViewContainer();
+        container->view()->writeSettings();
+
+        const QUrl url = container->url();
+        DolphinSettingsDialog *settingsDialog = new DolphinSettingsDialog(url, this, actionCollection());
+        connect(settingsDialog, &DolphinSettingsDialog::settingsChanged, this, &DolphinMainWindow::refreshViews);
+        connect(settingsDialog, &DolphinSettingsDialog::settingsChanged, &DolphinUrlNavigatorsController::slotReadSettings);
+        settingsDialog->setAttribute(Qt::WA_DeleteOnClose);
+        settingsDialog->show();
+        m_settingsDialog = settingsDialog;
+    } else {
+        m_settingsDialog.data()->raise();

     }
     }

+}

 
 

-    setupActions();
-    setupGUI(Keys|Save|Create|ToolBar);
+void DolphinMainWindow::handleUrl(const QUrl &url)
+{
+    delete m_lastHandleUrlOpenJob;
+    m_lastHandleUrlOpenJob = nullptr;

 
 

-    const KUrl& homeUrl = root.first().url();
-    setCaption(homeUrl.fileName());
-    ViewProperties props(homeUrl);
-    m_view[PrimaryIdx] = new DolphinView(this,
-                                         m_splitter,
-                                         homeUrl,
-                                         props.viewMode(),
-                                         props.isShowHiddenFilesEnabled());
+    if (url.isLocalFile() && QFileInfo(url.toLocalFile()).isDir()) {
+        activeViewContainer()->setUrl(url);
+    } else {
+        m_lastHandleUrlOpenJob = new KIO::OpenUrlJob(url);
+        m_lastHandleUrlOpenJob->setUiDelegate(KIO::createDefaultJobUiDelegate(KJobUiDelegate::AutoHandlingEnabled, this));
+        m_lastHandleUrlOpenJob->setShowOpenOrExecuteDialog(true);

 
 

-    m_activeView = m_view[PrimaryIdx];
+        connect(m_lastHandleUrlOpenJob, &KIO::OpenUrlJob::mimeTypeFound, this, [this, url](const QString &mimetype) {
+            if (mimetype == QLatin1String("inode/directory")) {
+                // If it's a dir, we'll take it from here
+                m_lastHandleUrlOpenJob->kill();
+                m_lastHandleUrlOpenJob = nullptr;
+                activeViewContainer()->setUrl(url);
+            }
+        });

 
 

-    setCentralWidget(m_splitter);
+        connect(m_lastHandleUrlOpenJob, &KIO::OpenUrlJob::result, this, [this]() {
+            m_lastHandleUrlOpenJob = nullptr;
+        });

 
 

-    // open sidebar
-    SidebarSettings* sidebarSettings = settings.sidebarSettings();
-    assert(sidebarSettings != 0);
-    if (sidebarSettings->visible()) {
-        openSidebar();
+        m_lastHandleUrlOpenJob->start();

     }
     }

+}

 
 

-    createGUI();
+void DolphinMainWindow::slotWriteStateChanged(bool isFolderWritable)
+{
+    // trash:/ is writable but we don't want to create new items in it.
+    // TODO: remove the trash check once https://phabricator.kde.org/T8234 is implemented
+    newFileMenu()->setEnabled(isFolderWritable && m_activeViewContainer->url().scheme() != QLatin1String("trash"));
+    // When the menu is disabled, actions in it are disabled later in the event loop, and we need to set the disabled reason after that.
+    QTimer::singleShot(0, this, [this]() {
+        m_disabledActionNotifier->setDisabledReason(actionCollection()->action(QStringLiteral("create_file")),
+                                                    i18nc("@info", "Cannot create new file: You do not have permission to create items in this folder."));
+        m_disabledActionNotifier->setDisabledReason(actionCollection()->action(QStringLiteral("create_dir")),
+                                                    i18nc("@info", "Cannot create new folder: You do not have permission to create items in this folder."));
+    });
+}

 
 

-    stateChanged("new_file");
-    setAutoSaveSettings();
+void DolphinMainWindow::openContextMenu(const QPoint &pos, const KFileItem &item, const KFileItemList &selectedItems, const QUrl &url)
+{
+    QPointer<DolphinContextMenu> contextMenu = new DolphinContextMenu(this, item, selectedItems, url, &m_fileItemActions);
+    contextMenu->exec(pos);

 
 

-    QClipboard* clipboard = QApplication::clipboard();
-    connect(clipboard, SIGNAL(dataChanged()),
-            this, SLOT(updatePasteAction()));
-    updatePasteAction();
-    updateGoActions();
+    // Delete the menu, unless it has been deleted in its own nested event loop already.
+    if (contextMenu) {
+        contextMenu->deleteLater();
+    }
+}

 
 

-    setupCreateNewMenuActions();
+QMenu *DolphinMainWindow::createPopupMenu()
+{
+    QMenu *menu = KXmlGuiWindow::createPopupMenu();

 
 

-    loadSettings();
+    menu->addSeparator();
+    menu->addAction(actionCollection()->action(QStringLiteral("lock_panels")));

 
 

-    if (firstRun) {
-        // assure a proper default size if Dolphin runs the first time
-        resize(640, 480);
-    }
+    return menu;

 }
 
 }
 

-void DolphinMainWindow::loadSettings()
+void DolphinMainWindow::updateHamburgerMenu()

 {
 {

-    GeneralSettings* settings = DolphinSettings::instance().generalSettings();
+    KActionCollection *ac = actionCollection();
+    auto hamburgerMenu = static_cast<KHamburgerMenu *>(ac->action(KStandardAction::name(KStandardAction::HamburgerMenu)));
+    auto menu = hamburgerMenu->menu();
+    if (!menu) {
+        menu = new QMenu(this);
+        hamburgerMenu->setMenu(menu);
+        hamburgerMenu->hideActionsOf(ac->action(QStringLiteral("basic_actions"))->menu());
+        hamburgerMenu->hideActionsOf(qobject_cast<KToolBarPopupAction *>(ac->action(QStringLiteral("zoom")))->popupMenu());
+    } else {
+        menu->clear();
+    }
+    const QList<QAction *> toolbarActions = toolBar()->actions();

 
 

-    KToggleAction* splitAction = static_cast<KToggleAction*>(actionCollection()->action("split_view"));
-    if (settings->splitView()) {
-        splitAction->setChecked(true);
-        toggleSplitView();
+    if (!toolBar()->isVisible()) {
+        // If neither the menu bar nor the toolbar are visible, these actions should be available.
+        menu->addAction(ac->action(KStandardAction::name(KStandardAction::ShowMenubar)));
+        menu->addAction(toolBarMenuAction());
+        menu->addSeparator();

     }
 
     }
 

-    updateViewActions();
+    // This group of actions (until the next separator) contains all the most basic actions
+    // necessary to use Dolphin effectively.
+    menu->addAction(ac->action(QStringLiteral("go_back")));
+    menu->addAction(ac->action(QStringLiteral("go_forward")));
+
+    menu->addMenu(m_newFileMenu->menu());
+    if (!toolBar()->isVisible() || !toolbarActions.contains(ac->action(QStringLiteral("toggle_selection_mode_tool_bar")))) {
+        menu->addAction(ac->action(QStringLiteral("toggle_selection_mode")));
+    }
+    menu->addAction(ac->action(QStringLiteral("basic_actions")));
+    menu->addAction(ac->action(KStandardAction::name(KStandardAction::Undo)));
+    if (!toolBar()->isVisible()
+        || (!toolbarActions.contains(ac->action(QStringLiteral("toggle_search")))
+            && !toolbarActions.contains(ac->action(QStringLiteral("open_preferred_search_tool"))))) {
+        menu->addAction(ac->action(KStandardAction::name(KStandardAction::Find)));
+        // This way a search action will only be added if none of the three available
+        // search actions is present on the toolbar.
+    }
+    if (!toolBar()->isVisible() || !toolbarActions.contains(ac->action(QStringLiteral("toggle_filter")))) {
+        menu->addAction(ac->action(QStringLiteral("show_filter_bar")));
+        // This way a filter action will only be added if none of the two available
+        // filter actions is present on the toolbar.
+    }
+    menu->addSeparator();
+
+    // The second group of actions (up until the next separator) contains actions for opening
+    // additional views to interact with the file system.
+    menu->addAction(ac->action(QStringLiteral("file_new")));
+    menu->addAction(ac->action(QStringLiteral("new_tab")));
+    if (ac->action(QStringLiteral("undo_close_tab"))->isEnabled()) {
+        menu->addAction(ac->action(QStringLiteral("closed_tabs")));
+    }
+    menu->addAction(ac->action(QStringLiteral("open_terminal")));
+    menu->addSeparator();
+
+    // The third group contains actions to change what one sees in the view
+    // and to change the more general UI.
+    if (!toolBar()->isVisible()
+        || ((!toolbarActions.contains(ac->action(QStringLiteral("icons"))) && !toolbarActions.contains(ac->action(QStringLiteral("compact")))
+             && !toolbarActions.contains(ac->action(QStringLiteral("details"))) && !toolbarActions.contains(ac->action(QStringLiteral("view_mode"))))
+            && !toolbarActions.contains(ac->action(QStringLiteral("view_settings"))))) {
+        menu->addAction(ac->action(QStringLiteral("view_mode")));
+    }
+    if (!toolBar()->isVisible() || !toolbarActions.contains(ac->action(QStringLiteral("view_settings")))) {
+           menu->addAction(ac->action(QStringLiteral("show_hidden_files")));
+           menu->addAction(ac->action(QStringLiteral("sort")));
+           menu->addAction(ac->action(QStringLiteral("group")));
+           menu->addAction(ac->action(QStringLiteral("additional_info")));
+           if (!GeneralSettings::showStatusBar() || !GeneralSettings::showZoomSlider()) {
+                       menu->addAction(ac->action(QStringLiteral("zoom")));
+               }
+    }
+    menu->addAction(ac->action(QStringLiteral("panels")));
+
+    // The "Configure" menu is not added to the actionCollection() because there is hardly
+    // a good reason for users to put it on their toolbar.
+    auto configureMenu = menu->addMenu(QIcon::fromTheme(QStringLiteral("configure")), i18nc("@action:inmenu menu for configure actions", "Configure"));
+    configureMenu->addAction(ac->action(KStandardAction::name(KStandardAction::SwitchApplicationLanguage)));
+    configureMenu->addAction(ac->action(KStandardAction::name(KStandardAction::KeyBindings)));
+    configureMenu->addAction(ac->action(KStandardAction::name(KStandardAction::ConfigureToolbars)));
+    configureMenu->addAction(ac->action(KStandardAction::name(KStandardAction::Preferences)));
+    hamburgerMenu->hideActionsOf(configureMenu);

 }
 
 }
 

-void DolphinMainWindow::setupActions()
+void DolphinMainWindow::slotPlaceActivated(const QUrl &url)

 {
 {

-    // setup 'File' menu
-    KAction* createFolder = new KAction(i18n("Folder..."), actionCollection(), "create_folder");
-    createFolder->setIcon(KIcon("folder"));
-    createFolder->setShortcut(Qt::Key_N);
-    connect(createFolder, SIGNAL(triggered()), this, SLOT(createFolder()));
+    DolphinViewContainer *view = activeViewContainer();

 
 

-    KAction* rename = new KAction(i18n("Rename"), actionCollection(), "rename");
-    rename->setShortcut(Qt::Key_F2);
-    connect(rename, SIGNAL(triggered()), this, SLOT(rename()));
+    if (view->url() == url) {
+        view->clearFilterBar(); // Fixes bug 259382.

 
 

-    KAction* moveToTrash = new KAction(i18n("Move to Trash"), actionCollection(), "move_to_trash");
-    moveToTrash->setIcon(KIcon("edittrash"));
-    moveToTrash->setShortcut(QKeySequence::Delete);
-    connect(moveToTrash, SIGNAL(triggered()), this, SLOT(moveToTrash()));
+        // We can end up here if the user clicked a device in the Places Panel
+        // which had been unmounted earlier, see https://bugs.kde.org/show_bug.cgi?id=161385.
+        reloadView();

 
 

-    KAction* deleteAction = new KAction(i18n("Delete"), actionCollection(), "delete");
-    deleteAction->setShortcut(Qt::ALT | Qt::Key_Delete);
-    deleteAction->setIcon(KIcon("editdelete"));
-    connect(deleteAction, SIGNAL(triggered()), this, SLOT(deleteItems()));
+        m_activeViewContainer->view()->setFocus(); // We always want the focus on the view after activating a place.
+    } else {
+        view->disableUrlNavigatorSelectionRequests();
+        changeUrl(url);
+        view->enableUrlNavigatorSelectionRequests();
+    }
+}
+
+void DolphinMainWindow::closedTabsCountChanged(unsigned int count)
+{
+    actionCollection()->action(QStringLiteral("undo_close_tab"))->setEnabled(count > 0);
+}

 
 

-    KAction* properties = new KAction(i18n("Propert&ies"), actionCollection(), "properties");
-    properties->setShortcut(Qt::Key_Alt | Qt::Key_Return);
-    connect(properties, SIGNAL(triggered()), this, SLOT(properties()));
+void DolphinMainWindow::activeViewChanged(DolphinViewContainer *viewContainer)
+{
+    DolphinViewContainer *oldViewContainer = m_activeViewContainer;
+    Q_ASSERT(viewContainer);

 
 

-    KStdAction::quit(this, SLOT(quit()), actionCollection());
+    m_activeViewContainer = viewContainer;

 
 

-    // setup 'Edit' menu
-    UndoManager& undoManager = UndoManager::instance();
-    KStdAction::undo(this,
-                     SLOT(slotUndo()),
-                     actionCollection());
-    connect(&undoManager, SIGNAL(undoAvailable(bool)),
-            this, SLOT(slotUndoAvailable(bool)));
-    connect(&undoManager, SIGNAL(undoTextChanged(const QString&)),
-            this, SLOT(slotUndoTextChanged(const QString&)));
-
-    KStdAction::redo(this,
-                     SLOT(slotRedo()),
-                     actionCollection());
-    connect(&undoManager, SIGNAL(redoAvailable(bool)),
-            this, SLOT(slotRedoAvailable(bool)));
-    connect(&undoManager, SIGNAL(redoTextChanged(const QString&)),
-            this, SLOT(slotRedoTextChanged(const QString&)));
-
-    KStdAction::cut(this, SLOT(cut()), actionCollection());
-    KStdAction::copy(this, SLOT(copy()), actionCollection());
-    KStdAction::paste(this, SLOT(paste()), actionCollection());
-
-    KAction* selectAll = new KAction(i18n("Select All"), actionCollection(), "select_all");
-    selectAll->setShortcut(Qt::CTRL + Qt::Key_A);
-    connect(selectAll, SIGNAL(triggered()), this, SLOT(selectAll()));
-
-    KAction* invertSelection = new KAction(i18n("Invert Selection"), actionCollection(), "invert_selection");
-    invertSelection->setShortcut(Qt::CTRL | Qt::SHIFT | Qt::Key_A);
-    connect(invertSelection, SIGNAL(triggered()), this, SLOT(invertSelection()));
-
-    // setup 'View' menu
-    KStdAction::zoomIn(this,
-                       SLOT(zoomIn()),
-                       actionCollection());
+    if (oldViewContainer) {
+        // Disconnect all signals between the old view container (container,
+        // view and url navigator) and main window.
+        oldViewContainer->disconnect(this);
+        oldViewContainer->view()->disconnect(this);
+        oldViewContainer->urlNavigatorInternalWithHistory()->disconnect(this);
+        auto navigators = static_cast<DolphinNavigatorsWidgetAction *>(actionCollection()->action(QStringLiteral("url_navigators")));
+        navigators->primaryUrlNavigator()->disconnect(this);
+        if (auto secondaryUrlNavigator = navigators->secondaryUrlNavigator()) {
+            secondaryUrlNavigator->disconnect(this);
+        }
+        oldViewContainer->disconnect(m_diskSpaceUsageMenu);

 
 

-    KStdAction::zoomOut(this,
-                        SLOT(zoomOut()),
-                        actionCollection());
+        // except the requestItemInfo so that on hover the information panel can still be updated
+        connect(oldViewContainer->view(), &DolphinView::requestItemInfo, this, &DolphinMainWindow::requestItemInfo);

 
 

-    KToggleAction* iconsView = new KToggleAction(i18n("Icons"), actionCollection(), "icons");
-    iconsView->setShortcut(Qt::CTRL | Qt::Key_1);
-    iconsView->setIcon(KIcon("view_icon"));
-    connect(iconsView, SIGNAL(triggered()), this, SLOT(setIconsView()));
+        // Disconnect other slots.
+        disconnect(oldViewContainer,
+                   &DolphinViewContainer::selectionModeChanged,
+                   actionCollection()->action(QStringLiteral("toggle_selection_mode")),
+                   &QAction::setChecked);
+    }

 
 

-    KToggleAction* detailsView = new KToggleAction(i18n("Details"), actionCollection(), "details");
-    detailsView->setShortcut(Qt::CTRL | Qt::Key_2);
-    detailsView->setIcon(KIcon("view_text"));
-    connect(detailsView, SIGNAL(triggered()), this, SLOT(setDetailsView()));
+    connectViewSignals(viewContainer);

 
 

-    KToggleAction* previewsView = new KToggleAction(i18n("Previews"), actionCollection(), "previews");
-    previewsView->setShortcut(Qt::CTRL | Qt::Key_3);
-    previewsView->setIcon(KIcon("gvdirpart"));
-    connect(previewsView, SIGNAL(triggered()), this, SLOT(setPreviewsView()));
+    m_actionHandler->setCurrentView(viewContainer->view());

 
 

-    QActionGroup* viewModeGroup = new QActionGroup(this);
-    viewModeGroup->addAction(iconsView);
-    viewModeGroup->addAction(detailsView);
-    viewModeGroup->addAction(previewsView);
+    updateHistory();
+    updateFileAndEditActions();
+    updatePasteAction();
+    updateViewActions();
+    updateGoActions();
+    updateSearchAction();
+    connect(m_diskSpaceUsageMenu,
+            &DiskSpaceUsageMenu::showMessage,
+            viewContainer,
+            [viewContainer](const QString &message, KMessageWidget::MessageType messageType) {
+                viewContainer->showMessage(message, messageType);
+            });
+    connect(m_diskSpaceUsageMenu, &DiskSpaceUsageMenu::showInstallationProgress, viewContainer, &DolphinViewContainer::showProgress);

 
 

-    KToggleAction* sortByName = new KToggleAction(i18n("By Name"), actionCollection(), "by_name");
-    connect(sortByName, SIGNAL(triggered()), this, SLOT(sortByName()));
+    const QUrl url = viewContainer->url();
+    Q_EMIT urlChanged(url);
+    Q_EMIT selectionChanged(m_activeViewContainer->view()->selectedItems());
+}

 
 

-    KToggleAction* sortBySize = new KToggleAction(i18n("By Size"), actionCollection(), "by_size");
-    connect(sortBySize, SIGNAL(triggered()), this, SLOT(sortBySize()));
+void DolphinMainWindow::tabCountChanged(int count)
+{
+    const bool enableTabActions = (count > 1);
+    for (int i = 0; i < MaxActivateTabShortcuts; ++i) {
+        actionCollection()->action(QStringLiteral("activate_tab_%1").arg(i))->setEnabled(enableTabActions);
+    }
+    actionCollection()->action(QStringLiteral("activate_last_tab"))->setEnabled(enableTabActions);
+    actionCollection()->action(QStringLiteral("activate_next_tab"))->setEnabled(enableTabActions);
+    actionCollection()->action(QStringLiteral("activate_prev_tab"))->setEnabled(enableTabActions);
+}

 
 

-    KToggleAction* sortByDate = new KToggleAction(i18n("By Date"), actionCollection(), "by_date");
-    connect(sortByDate, SIGNAL(triggered()), this, SLOT(sortByDate()));
+void DolphinMainWindow::updateWindowTitle()
+{
+    const QString newTitle = m_activeViewContainer->captionWindowTitle();
+    if (windowTitle() != newTitle) {
+        setWindowTitle(newTitle);
+    }
+}

 
 

-    QActionGroup* sortGroup = new QActionGroup(this);
-    sortGroup->addAction(sortByName);
-    sortGroup->addAction(sortBySize);
-    sortGroup->addAction(sortByDate);
+void DolphinMainWindow::slotStorageTearDownFromPlacesRequested(const QString &mountPath)
+{
+    connect(m_placesPanel, &PlacesPanel::storageTearDownSuccessful, this, [this, mountPath]() {
+        setViewsToHomeIfMountPathOpen(mountPath);
+    });

 
 

-    KToggleAction* sortDescending = new KToggleAction(i18n("Descending"), actionCollection(), "descending");
-    connect(sortDescending, SIGNAL(triggered()), this, SLOT(toggleSortOrder()));
+    if (m_terminalPanel && m_terminalPanel->currentWorkingDirectoryIsChildOf(mountPath)) {
+        m_tearDownFromPlacesRequested = true;
+        m_terminalPanel->goHome();
+        // m_placesPanel->proceedWithTearDown() will be called in slotTerminalDirectoryChanged
+    } else {
+        m_placesPanel->proceedWithTearDown();
+    }
+}

 
 

-    KToggleAction* showHiddenFiles = new KToggleAction(i18n("Show Hidden Files"), actionCollection(), "show_hidden_files");
-    //showHiddenFiles->setShortcut(Qt::ALT | Qt::Key_      KDE4-TODO: what Qt-Key represents '.'?
-    connect(showHiddenFiles, SIGNAL(triggered()), this, SLOT(showHiddenFiles()));
+void DolphinMainWindow::slotStorageTearDownExternallyRequested(const QString &mountPath)
+{
+    connect(m_placesPanel, &PlacesPanel::storageTearDownSuccessful, this, [this, mountPath]() {
+        setViewsToHomeIfMountPathOpen(mountPath);
+    });

 
 

-    KToggleAction* split = new KToggleAction(i18n("Split View"), actionCollection(), "split_view");
-    split->setShortcut(Qt::Key_F10);
-    split->setIcon(KIcon("view_left_right"));
-    connect(split, SIGNAL(triggered()), this, SLOT(toggleSplitView()));
+    if (m_terminalPanel && m_terminalPanel->currentWorkingDirectoryIsChildOf(mountPath)) {
+        m_tearDownFromPlacesRequested = false;
+        m_terminalPanel->goHome();
+    }
+}

 
 

-    KAction* reload = new KAction(i18n("Reload"), "F5", actionCollection(), "reload");
-    reload->setShortcut(Qt::Key_F5);
-    reload->setIcon(KIcon("reload"));
-    connect(reload, SIGNAL(triggered()), this, SLOT(reloadView()));
+void DolphinMainWindow::slotKeyBindings()
+{
+    KShortcutsDialog dialog(KShortcutsEditor::AllActions, KShortcutsEditor::LetterShortcutsAllowed, this);
+    dialog.addCollection(actionCollection());
+    if (m_terminalPanel) {
+        KActionCollection *konsolePartActionCollection = m_terminalPanel->actionCollection();
+        if (konsolePartActionCollection) {
+            dialog.addCollection(konsolePartActionCollection, QStringLiteral("KonsolePart"));
+        }
+    }
+    dialog.configure();
+}

 
 

-    KAction* stop = new KAction(i18n("Stop"), actionCollection(), "stop");
-    stop->setIcon(KIcon("stop"));
-    connect(stop, SIGNAL(triggered()), this, SLOT(stopLoading()));
+void DolphinMainWindow::setViewsToHomeIfMountPathOpen(const QString &mountPath)
+{
+    const QVector<DolphinViewContainer *> theViewContainers = viewContainers();
+    for (DolphinViewContainer *viewContainer : theViewContainers) {
+        if (!viewContainer) {
+            continue;
+        }
+        const auto viewPath = viewContainer->url().toLocalFile();
+        if (viewPath.startsWith(mountPath + QLatin1String("/")) || viewPath == mountPath) {
+            viewContainer->setUrl(QUrl::fromLocalFile(QDir::homePath()));
+        }
+    }
+    disconnect(m_placesPanel, &PlacesPanel::storageTearDownSuccessful, nullptr, nullptr);
+}

 
 

-    KToggleAction* showFullLocation = new KToggleAction(i18n("Show Full Location"), actionCollection(), "editable_location");
-    showFullLocation->setShortcut(Qt::CTRL | Qt::Key_L);
-    connect(showFullLocation, SIGNAL(triggered()), this, SLOT(toggleEditLocation()));
+void DolphinMainWindow::setupActions()
+{
+    auto hamburgerMenuAction = KStandardAction::hamburgerMenu(nullptr, nullptr, actionCollection());

 
 

-    KToggleAction* editLocation = new KToggleAction(i18n("Edit Location"), actionCollection(), "edit_location");
-    editLocation->setShortcut(Qt::Key_F6);
-    connect(editLocation, SIGNAL(triggered()), this, SLOT(editLocation()));
+    // setup 'File' menu
+    m_newFileMenu = new DolphinNewFileMenu(nullptr, nullptr, this);
+    actionCollection()->addAction(QStringLiteral("new_menu"), m_newFileMenu);
+    QMenu *menu = m_newFileMenu->menu();
+    menu->setTitle(i18nc("@title:menu Create new folder, file, link, etc.", "Create New"));
+    menu->setIcon(QIcon::fromTheme(QStringLiteral("list-add")));
+    m_newFileMenu->setPopupMode(QToolButton::InstantPopup);
+    connect(menu, &QMenu::aboutToShow, this, &DolphinMainWindow::updateNewMenu);
+
+    QAction *newWindow = KStandardAction::openNew(this, &DolphinMainWindow::openNewMainWindow, actionCollection());
+    newWindow->setText(i18nc("@action:inmenu File", "New &Window"));
+    newWindow->setToolTip(i18nc("@info", "Open a new Dolphin window"));
+    newWindow->setWhatsThis(xi18nc("@info:whatsthis",
+                                   "This opens a new "
+                                   "window just like this one with the current location."
+                                   "<nl/>You can drag and drop items between windows."));
+    newWindow->setIcon(QIcon::fromTheme(QStringLiteral("window-new")));
+
+    QAction *newTab = actionCollection()->addAction(QStringLiteral("new_tab"));
+    newTab->setIcon(QIcon::fromTheme(QStringLiteral("tab-new")));
+    newTab->setText(i18nc("@action:inmenu File", "New Tab"));
+    newTab->setWhatsThis(xi18nc("@info:whatsthis",
+                                "This opens a new "
+                                "<emphasis>Tab</emphasis> with the current location."
+                                "<nl/>Tabs allow you to quickly switch between multiple locations and views within this window. "
+                                "You can drag and drop items between tabs."));
+    actionCollection()->setDefaultShortcut(newTab, Qt::CTRL | Qt::Key_T);
+    connect(newTab, &QAction::triggered, this, &DolphinMainWindow::openNewActivatedTab);
+
+    QAction *addToPlaces = actionCollection()->addAction(QStringLiteral("add_to_places"));
+    addToPlaces->setIcon(QIcon::fromTheme(QStringLiteral("bookmark-new")));
+    addToPlaces->setText(i18nc("@action:inmenu Add current folder to places", "Add to Places"));
+    addToPlaces->setWhatsThis(xi18nc("@info:whatsthis",
+                                     "This adds the selected folder "
+                                     "to the Places panel."));
+    connect(addToPlaces, &QAction::triggered, this, &DolphinMainWindow::addToPlaces);
+
+    QAction *closeTab = KStandardAction::close(m_tabWidget, QOverload<>::of(&DolphinTabWidget::closeTab), actionCollection());
+    closeTab->setText(i18nc("@action:inmenu File", "Close Tab"));
+    closeTab->setToolTip(i18nc("@info", "Close Tab"));
+    closeTab->setWhatsThis(i18nc("@info:whatsthis",
+                                 "This closes the "
+                                 "currently viewed tab. If no more tabs are left, this closes "
+                                 "the whole window instead."));
+
+    QAction *quitAction = KStandardAction::quit(this, &DolphinMainWindow::quit, actionCollection());
+    quitAction->setWhatsThis(i18nc("@info:whatsthis quit", "This closes this window."));

 
 

-    KToggleAction* sidebar = new KToggleAction(i18n("Sidebar"), actionCollection(), "sidebar");
-    sidebar->setShortcut(Qt::Key_F9);
-    connect(sidebar, SIGNAL(triggered()), this, SLOT(toggleSidebar()));
+    // setup 'Edit' menu
+    KStandardAction::undo(this, &DolphinMainWindow::undo, actionCollection());
+
+    // i18n: This will be the last paragraph for the whatsthis for all three:
+    // Cut, Copy and Paste
+    const QString cutCopyPastePara = xi18nc("@info:whatsthis",
+                                            "<para><emphasis>Cut, "
+                                            "Copy</emphasis> and <emphasis>Paste</emphasis> work between many "
+                                            "applications and are among the most used commands. That's why their "
+                                            "<emphasis>keyboard shortcuts</emphasis> are prominently placed right "
+                                            "next to each other on the keyboard: <shortcut>Ctrl+X</shortcut>, "
+                                            "<shortcut>Ctrl+C</shortcut> and <shortcut>Ctrl+V</shortcut>.</para>");
+    QAction *cutAction = KStandardAction::cut(this, &DolphinMainWindow::cut, actionCollection());
+    m_actionTextHelper->registerTextWhenNothingIsSelected(cutAction, i18nc("@action", "Cut…"));
+    cutAction->setWhatsThis(xi18nc("@info:whatsthis cut",
+                                   "This copies the items "
+                                   "in your current selection to the <emphasis>clipboard</emphasis>.<nl/>"
+                                   "Use the <emphasis>Paste</emphasis> action afterwards to copy them from "
+                                   "the clipboard to a new location. The items will be removed from their "
+                                   "initial location.")
+                            + cutCopyPastePara);
+    QAction *copyAction = KStandardAction::copy(this, &DolphinMainWindow::copy, actionCollection());
+    m_actionTextHelper->registerTextWhenNothingIsSelected(copyAction, i18nc("@action", "Copy…"));
+    copyAction->setWhatsThis(xi18nc("@info:whatsthis copy",
+                                    "This copies the "
+                                    "items in your current selection to the <emphasis>clipboard</emphasis>."
+                                    "<nl/>Use the <emphasis>Paste</emphasis> action afterwards to copy them "
+                                    "from the clipboard to a new location.")
+                             + cutCopyPastePara);
+    QAction *paste = KStandardAction::paste(this, &DolphinMainWindow::paste, actionCollection());
+    // The text of the paste-action is modified dynamically by Dolphin
+    // (e. g. to "Paste One Folder"). To prevent that the size of the toolbar changes
+    // due to the long text, the text "Paste" is used:
+    paste->setIconText(i18nc("@action:inmenu Edit", "Paste"));
+    paste->setWhatsThis(xi18nc("@info:whatsthis paste",
+                               "This copies the items from "
+                               "your <emphasis>clipboard</emphasis> to the currently viewed folder.<nl/>"
+                               "If the items were added to the clipboard by the <emphasis>Cut</emphasis> "
+                               "action they are removed from their old location.")
+                        + cutCopyPastePara);
+
+    QAction *copyToOtherViewAction = actionCollection()->addAction(QStringLiteral("copy_to_inactive_split_view"));
+    copyToOtherViewAction->setText(i18nc("@action:inmenu", "Copy to Other View"));
+    m_actionTextHelper->registerTextWhenNothingIsSelected(copyToOtherViewAction, i18nc("@action:inmenu", "Copy to Other View…"));
+    copyToOtherViewAction->setWhatsThis(xi18nc("@info:whatsthis Copy",
+                                               "This copies the selected items from "
+                                               "the view in focus to the other view. "
+                                               "(Only available while in Split View mode.)"));
+    copyToOtherViewAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-copy")));
+    copyToOtherViewAction->setIconText(i18nc("@action:inmenu Edit", "Copy to Other View"));
+    actionCollection()->setDefaultShortcut(copyToOtherViewAction, Qt::SHIFT | Qt::Key_F5);
+    connect(copyToOtherViewAction, &QAction::triggered, this, &DolphinMainWindow::copyToInactiveSplitView);
+
+    QAction *moveToOtherViewAction = actionCollection()->addAction(QStringLiteral("move_to_inactive_split_view"));
+    moveToOtherViewAction->setText(i18nc("@action:inmenu", "Move to Other View"));
+    m_actionTextHelper->registerTextWhenNothingIsSelected(moveToOtherViewAction, i18nc("@action:inmenu", "Move to Other View…"));
+    moveToOtherViewAction->setWhatsThis(xi18nc("@info:whatsthis Move",
+                                               "This moves the selected items from "
+                                               "the view in focus to the other view. "
+                                               "(Only available while in Split View mode.)"));
+    moveToOtherViewAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-cut")));
+    moveToOtherViewAction->setIconText(i18nc("@action:inmenu Edit", "Move to Other View"));
+    actionCollection()->setDefaultShortcut(moveToOtherViewAction, Qt::SHIFT | Qt::Key_F6);
+    connect(moveToOtherViewAction, &QAction::triggered, this, &DolphinMainWindow::moveToInactiveSplitView);
+
+    QAction *showFilterBar = actionCollection()->addAction(QStringLiteral("show_filter_bar"));
+    showFilterBar->setText(i18nc("@action:inmenu Tools", "Filter…"));
+    showFilterBar->setToolTip(i18nc("@info:tooltip", "Show Filter Bar"));
+    showFilterBar->setWhatsThis(xi18nc("@info:whatsthis",
+                                       "This opens the "
+                                       "<emphasis>Filter Bar</emphasis> at the bottom of the window.<nl/> "
+                                       "There you can enter text to filter the files and folders currently displayed. "
+                                       "Only those that contain the text in their name will be kept in view."));
+    showFilterBar->setIcon(QIcon::fromTheme(QStringLiteral("view-filter")));
+    actionCollection()->setDefaultShortcuts(showFilterBar, {Qt::CTRL | Qt::Key_I, Qt::Key_Slash});
+    connect(showFilterBar, &QAction::triggered, this, &DolphinMainWindow::showFilterBar);
+
+    // toggle_filter acts as a copy of the main showFilterBar to be used mainly
+    // in the toolbar, with no default shortcut attached, to avoid messing with
+    // existing workflows (filter bar always open and Ctrl-I to focus)
+    QAction *toggleFilter = actionCollection()->addAction(QStringLiteral("toggle_filter"));
+    toggleFilter->setText(i18nc("@action:inmenu", "Toggle Filter Bar"));
+    toggleFilter->setIconText(i18nc("@action:intoolbar", "Filter"));
+    toggleFilter->setIcon(showFilterBar->icon());
+    toggleFilter->setToolTip(showFilterBar->toolTip());
+    toggleFilter->setWhatsThis(showFilterBar->whatsThis());
+    toggleFilter->setCheckable(true);
+    connect(toggleFilter, &QAction::triggered, this, &DolphinMainWindow::toggleFilterBar);
+
+    QAction *searchAction = KStandardAction::find(this, &DolphinMainWindow::find, actionCollection());
+    searchAction->setText(i18n("Search…"));
+    searchAction->setToolTip(i18nc("@info:tooltip", "Search for files and folders"));
+    searchAction->setWhatsThis(xi18nc("@info:whatsthis find",
+                                      "<para>This helps you "
+                                      "find files and folders by opening a <emphasis>search bar</emphasis>. "
+                                      "There you can enter search terms and specify settings to find the "
+                                      "items you are looking for.</para>"));
+
+    // toggle_search acts as a copy of the main searchAction to be used mainly
+    // in the toolbar, with no default shortcut attached, to avoid messing with
+    // existing workflows (search bar always open and Ctrl-F to focus)
+    QAction *toggleSearchAction = actionCollection()->addAction(QStringLiteral("toggle_search"));
+    toggleSearchAction->setText(i18nc("@action:inmenu", "Toggle Search Bar"));
+    toggleSearchAction->setIconText(i18nc("@action:intoolbar", "Search"));
+    toggleSearchAction->setIcon(searchAction->icon());
+    toggleSearchAction->setToolTip(searchAction->toolTip());
+    toggleSearchAction->setWhatsThis(searchAction->whatsThis());
+    toggleSearchAction->setCheckable(true);
+    connect(toggleSearchAction, &QAction::triggered, this, [this](bool checked) {
+        if (checked) {
+            find();
+        } else {
+            m_activeViewContainer->setSearchBarVisible(false);
+        }
+    });
+
+    QAction *toggleSelectionModeAction = actionCollection()->addAction(QStringLiteral("toggle_selection_mode"));
+    // i18n: This action toggles a selection mode.
+    toggleSelectionModeAction->setText(i18nc("@action:inmenu", "Select Files and Folders"));
+    // i18n: Opens a selection mode for selecting files/folders.
+    // The text is kept so unspecific because it will be shown on the toolbar where space is at a premium.
+    toggleSelectionModeAction->setIconText(i18nc("@action:intoolbar", "Select"));
+    toggleSelectionModeAction->setWhatsThis(xi18nc(
+        "@info:whatsthis",
+        "<para>This application only knows which files or folders should be acted on if they are"
+        " <emphasis>selected</emphasis> first. Press this to toggle a <emphasis>Selection Mode</emphasis> which makes selecting and deselecting as easy as "
+        "pressing an item once.</para><para>While in this mode, a quick access bar at the bottom shows available actions for the currently selected items."
+        "</para>"));
+    toggleSelectionModeAction->setIcon(QIcon::fromTheme(QStringLiteral("quickwizard")));
+    toggleSelectionModeAction->setCheckable(true);
+    actionCollection()->setDefaultShortcut(toggleSelectionModeAction, Qt::Key_Space);
+    connect(toggleSelectionModeAction, &QAction::triggered, this, &DolphinMainWindow::toggleSelectionMode);
+
+    // A special version of the toggleSelectionModeAction for the toolbar that also contains a menu
+    // with the selectAllAction and invertSelectionAction.
+    auto *toggleSelectionModeToolBarAction =
+        new KToolBarPopupAction(toggleSelectionModeAction->icon(), toggleSelectionModeAction->iconText(), actionCollection());
+    toggleSelectionModeToolBarAction->setToolTip(toggleSelectionModeAction->text());
+    toggleSelectionModeToolBarAction->setWhatsThis(toggleSelectionModeAction->whatsThis());
+    actionCollection()->addAction(QStringLiteral("toggle_selection_mode_tool_bar"), toggleSelectionModeToolBarAction);
+    toggleSelectionModeToolBarAction->setCheckable(true);
+    toggleSelectionModeToolBarAction->setPopupMode(KToolBarPopupAction::DelayedPopup);
+    connect(toggleSelectionModeToolBarAction, &QAction::triggered, toggleSelectionModeAction, &QAction::trigger);
+    connect(toggleSelectionModeAction, &QAction::toggled, toggleSelectionModeToolBarAction, &QAction::setChecked);
+
+    QAction *selectAllAction = KStandardAction::selectAll(this, &DolphinMainWindow::selectAll, actionCollection());
+    selectAllAction->setWhatsThis(xi18nc("@info:whatsthis",
+                                         "This selects all "
+                                         "files and folders in the current location."));
+
+    QAction *invertSelection = actionCollection()->addAction(QStringLiteral("invert_selection"));
+    invertSelection->setText(i18nc("@action:inmenu Edit", "Invert Selection"));
+    invertSelection->setWhatsThis(xi18nc("@info:whatsthis invert",
+                                         "This selects all "
+                                         "items that you have currently <emphasis>not</emphasis> selected instead."));
+    invertSelection->setIcon(QIcon::fromTheme(QStringLiteral("edit-select-invert")));
+    actionCollection()->setDefaultShortcut(invertSelection, Qt::CTRL | Qt::SHIFT | Qt::Key_A);
+    connect(invertSelection, &QAction::triggered, this, &DolphinMainWindow::invertSelection);
+
+    QMenu *toggleSelectionModeActionMenu = new QMenu(this);
+    toggleSelectionModeActionMenu->addAction(selectAllAction);
+    toggleSelectionModeActionMenu->addAction(invertSelection);
+    toggleSelectionModeToolBarAction->setMenu(toggleSelectionModeActionMenu);

 
 

-    KAction* adjustViewProps = new KAction(i18n("Adjust View Properties..."), actionCollection(), "view_properties");
-    connect(adjustViewProps, SIGNAL(triggered()), this, SLOT(adjustViewProperties()));
+    // setup 'View' menu
+    // (note that most of it is set up in DolphinViewActionHandler)
+
+    Admin::WorkerIntegration::createActAsAdminAction(actionCollection(), this);
+
+    m_splitViewAction = actionCollection()->add<KActionMenu>(QStringLiteral("split_view"));
+    m_splitViewMenuAction = actionCollection()->addAction(QStringLiteral("split_view_menu"));
+
+    m_splitViewAction->setWhatsThis(xi18nc("@info:whatsthis split",
+                                           "<para>This presents "
+                                           "a second view side-by-side with the current view, so you can see "
+                                           "the contents of two folders at once and easily move items between "
+                                           "them.</para><para>The view that is not \"in focus\" will be dimmed. "
+                                           "</para>Click this button again to close one of the views."));
+    m_splitViewMenuAction->setWhatsThis(m_splitViewAction->whatsThis());
+
+    // only set it for the menu version
+    actionCollection()->setDefaultShortcut(m_splitViewMenuAction, Qt::Key_F3);
+
+    connect(m_splitViewAction, &QAction::triggered, this, &DolphinMainWindow::toggleSplitView);
+    connect(m_splitViewMenuAction, &QAction::triggered, this, &DolphinMainWindow::toggleSplitView);
+
+    QAction *popoutSplit = actionCollection()->addAction(QStringLiteral("popout_split_view"));
+    popoutSplit->setWhatsThis(xi18nc("@info:whatsthis",
+                                     "If the view has been split, this will pop the view in focus "
+                                     "out into a new window."));
+    popoutSplit->setIcon(QIcon::fromTheme(QStringLiteral("window-new")));
+    actionCollection()->setDefaultShortcut(popoutSplit, Qt::SHIFT | Qt::Key_F3);
+    connect(popoutSplit, &QAction::triggered, this, &DolphinMainWindow::popoutSplitView);
+
+    QAction *stashSplit = actionCollection()->addAction(QStringLiteral("split_stash"));
+    actionCollection()->setDefaultShortcut(stashSplit, Qt::CTRL | Qt::Key_S);
+    stashSplit->setText(i18nc("@action:intoolbar Stash", "Stash"));
+    stashSplit->setToolTip(i18nc("@info", "Opens the stash virtual directory in a split window"));
+    stashSplit->setIcon(QIcon::fromTheme(QStringLiteral("folder-stash")));
+    stashSplit->setCheckable(false);
+    QDBusConnectionInterface *sessionInterface = QDBusConnection::sessionBus().interface();
+    stashSplit->setVisible(sessionInterface && sessionInterface->isServiceRegistered(QStringLiteral("org.kde.kio.StashNotifier")));
+    connect(stashSplit, &QAction::triggered, this, &DolphinMainWindow::toggleSplitStash);
+
+    QAction *redisplay = KStandardAction::redisplay(this, &DolphinMainWindow::reloadView, actionCollection());
+    redisplay->setToolTip(i18nc("@info:tooltip", "Refresh view"));
+    redisplay->setWhatsThis(xi18nc("@info:whatsthis refresh",
+                                   "<para>This refreshes "
+                                   "the folder view.</para>"
+                                   "<para>If the contents of this folder have changed, refreshing will re-scan this folder "
+                                   "and show you a newly-updated view of the files and folders contained here.</para>"
+                                   "<para>If the view is split, this refreshes the one that is currently in focus.</para>"));
+
+    QAction *stop = actionCollection()->addAction(QStringLiteral("stop"));
+    stop->setText(i18nc("@action:inmenu View", "Stop"));
+    stop->setToolTip(i18nc("@info", "Stop loading"));
+    stop->setWhatsThis(i18nc("@info", "This stops the loading of the contents of the current folder."));
+    stop->setIcon(QIcon::fromTheme(QStringLiteral("process-stop")));
+    connect(stop, &QAction::triggered, this, &DolphinMainWindow::stopLoading);
+
+    KToggleAction *editableLocation = actionCollection()->add<KToggleAction>(QStringLiteral("editable_location"));
+    editableLocation->setText(i18nc("@action:inmenu Navigation Bar", "Editable Location"));
+    editableLocation->setWhatsThis(xi18nc("@info:whatsthis",
+                                          "This toggles the <emphasis>Location Bar</emphasis> to be "
+                                          "editable so you can directly enter a location you want to go to.<nl/>"
+                                          "You can also switch to editing by clicking to the right of the "
+                                          "location and switch back by confirming the edited location."));
+    actionCollection()->setDefaultShortcut(editableLocation, Qt::Key_F6);
+    connect(editableLocation, &KToggleAction::triggered, this, &DolphinMainWindow::toggleEditLocation);
+
+    QAction *replaceLocation = actionCollection()->addAction(QStringLiteral("replace_location"));
+    replaceLocation->setText(i18nc("@action:inmenu Navigation Bar", "Replace Location"));
+    // i18n: "enter" is used both in the meaning of "writing" and "going to" a new location here.
+    // Both meanings are useful but not necessary to understand the use of "Replace Location".
+    // So you might want to be more verbose in your language to convey the meaning but it's up to you.
+    replaceLocation->setWhatsThis(xi18nc("@info:whatsthis",
+                                         "This switches to editing the location and selects it "
+                                         "so you can quickly enter a different location."));
+    actionCollection()->setDefaultShortcuts(replaceLocation, {Qt::CTRL | Qt::Key_L, Qt::ALT | Qt::Key_D});
+    connect(replaceLocation, &QAction::triggered, this, &DolphinMainWindow::replaceLocation);

 
     // setup 'Go' menu
 
     // setup 'Go' menu

-    KStdAction::back(this, SLOT(goBack()), actionCollection());
-    KStdAction::forward(this, SLOT(goForward()), actionCollection());
-    KStdAction::up(this, SLOT(goUp()), actionCollection());
-    KStdAction::home(this, SLOT(goHome()), actionCollection());
+    {
+        QScopedPointer<QAction> backAction(KStandardAction::back(nullptr, nullptr, nullptr));
+        m_backAction = new KToolBarPopupAction(backAction->icon(), backAction->text(), actionCollection());
+        m_backAction->setObjectName(backAction->objectName());
+        m_backAction->setShortcuts(backAction->shortcuts());
+    }
+    m_backAction->setPopupMode(KToolBarPopupAction::DelayedPopup);
+    connect(m_backAction, &QAction::triggered, this, &DolphinMainWindow::goBack);
+    connect(m_backAction->popupMenu(), &QMenu::aboutToShow, this, &DolphinMainWindow::slotAboutToShowBackPopupMenu);
+    connect(m_backAction->popupMenu(), &QMenu::triggered, this, &DolphinMainWindow::slotGoBack);
+    actionCollection()->addAction(m_backAction->objectName(), m_backAction);
+
+    auto backShortcuts = m_backAction->shortcuts();
+    // Prepend this shortcut, to avoid being hidden by the two-slot UI (#371130)
+    backShortcuts.prepend(QKeySequence(Qt::Key_Backspace));
+    actionCollection()->setDefaultShortcuts(m_backAction, backShortcuts);
+
+    DolphinRecentTabsMenu *recentTabsMenu = new DolphinRecentTabsMenu(this);
+    actionCollection()->addAction(QStringLiteral("closed_tabs"), recentTabsMenu);
+    connect(m_tabWidget, &DolphinTabWidget::rememberClosedTab, recentTabsMenu, &DolphinRecentTabsMenu::rememberClosedTab);
+    connect(recentTabsMenu, &DolphinRecentTabsMenu::restoreClosedTab, m_tabWidget, &DolphinTabWidget::restoreClosedTab);
+    connect(recentTabsMenu, &DolphinRecentTabsMenu::closedTabsCountChanged, this, &DolphinMainWindow::closedTabsCountChanged);
+
+    QAction *undoCloseTab = actionCollection()->addAction(QStringLiteral("undo_close_tab"));
+    undoCloseTab->setText(i18nc("@action:inmenu File", "Undo close tab"));
+    undoCloseTab->setWhatsThis(i18nc("@info:whatsthis undo close tab", "This returns you to the previously closed tab."));
+    actionCollection()->setDefaultShortcut(undoCloseTab, Qt::CTRL | Qt::SHIFT | Qt::Key_T);
+    undoCloseTab->setIcon(QIcon::fromTheme(QStringLiteral("edit-undo")));
+    undoCloseTab->setEnabled(false);
+    connect(undoCloseTab, &QAction::triggered, recentTabsMenu, &DolphinRecentTabsMenu::undoCloseTab);
+
+    auto undoAction = actionCollection()->action(KStandardAction::name(KStandardAction::Undo));
+    undoAction->setWhatsThis(xi18nc("@info:whatsthis",
+                                    "This undoes "
+                                    "the last change you made to files or folders.<nl/>"
+                                    "Such changes include <interface>creating</interface>, <interface>renaming</interface> "
+                                    "and <interface>moving</interface> them to a different location "
+                                    "or to the <filename>Trash</filename>. <nl/>Any changes that cannot be undone "
+                                    "will ask for your confirmation beforehand."));
+    undoAction->setEnabled(false); // undo should be disabled by default
+
+    {
+        QScopedPointer<QAction> forwardAction(KStandardAction::forward(nullptr, nullptr, nullptr));
+        m_forwardAction = new KToolBarPopupAction(forwardAction->icon(), forwardAction->text(), actionCollection());
+        m_forwardAction->setObjectName(forwardAction->objectName());
+        m_forwardAction->setShortcuts(forwardAction->shortcuts());
+    }
+    m_forwardAction->setPopupMode(KToolBarPopupAction::DelayedPopup);
+    connect(m_forwardAction, &QAction::triggered, this, &DolphinMainWindow::goForward);
+    connect(m_forwardAction->popupMenu(), &QMenu::aboutToShow, this, &DolphinMainWindow::slotAboutToShowForwardPopupMenu);
+    connect(m_forwardAction->popupMenu(), &QMenu::triggered, this, &DolphinMainWindow::slotGoForward);
+    actionCollection()->addAction(m_forwardAction->objectName(), m_forwardAction);
+    actionCollection()->setDefaultShortcuts(m_forwardAction, m_forwardAction->shortcuts());
+
+    // enable middle-click to open in a new tab
+    auto *middleClickEventFilter = new MiddleClickActionEventFilter(this);
+    connect(middleClickEventFilter, &MiddleClickActionEventFilter::actionMiddleClicked, this, &DolphinMainWindow::slotBackForwardActionMiddleClicked);
+    m_backAction->popupMenu()->installEventFilter(middleClickEventFilter);
+    m_forwardAction->popupMenu()->installEventFilter(middleClickEventFilter);
+    KStandardAction::up(this, &DolphinMainWindow::goUp, actionCollection());
+    QAction *homeAction = KStandardAction::home(this, &DolphinMainWindow::goHome, actionCollection());
+    homeAction->setWhatsThis(xi18nc("@info:whatsthis",
+                                    "Go to your "
+                                    "<filename>Home</filename> folder.<nl/>Every user account "
+                                    "has their own <filename>Home</filename> that contains their personal files, "
+                                    "as well as hidden folders for their applications' data and configuration files."));

 
     // setup 'Tools' menu
 
     // setup 'Tools' menu

-    KAction* openTerminal = new KAction(i18n("Open Terminal"), actionCollection(), "open_terminal");
-    openTerminal->setShortcut(Qt::Key_F4);
-    openTerminal->setIcon(KIcon("konsole"));
-    connect(openTerminal, SIGNAL(triggered()), this, SLOT(openTerminal()));
-
-    KAction* findFile = new KAction(i18n("Find File..."), actionCollection(), "find_file");
-    findFile->setShortcut(Qt::Key_F);
-    findFile->setIcon(KIcon("filefind"));
-    connect(findFile, SIGNAL(triggered()), this, SLOT(findFile()));
-
-    KToggleAction* showFilterBar = new KToggleAction(i18n("Show Filter Bar"), actionCollection(), "show_filter_bar");
-    showFilterBar->setShortcut(Qt::Key_Slash);
-    connect(showFilterBar, SIGNAL(triggered()), this, SLOT(showFilterBar()));
-
-    KAction* compareFiles = new KAction(i18n("Compare Files"), actionCollection(), "compare_files");
-    compareFiles->setIcon(KIcon("kompare"));
+    QAction *compareFiles = actionCollection()->addAction(QStringLiteral("compare_files"));
+    compareFiles->setText(i18nc("@action:inmenu Tools", "Compare Files"));
+    compareFiles->setIcon(QIcon::fromTheme(QStringLiteral("kompare")));

     compareFiles->setEnabled(false);
     compareFiles->setEnabled(false);

-    connect(compareFiles, SIGNAL(triggered()), this, SLOT(compareFiles()));
+    connect(compareFiles, &QAction::triggered, this, &DolphinMainWindow::compareFiles);
+
+    QAction *manageDiskSpaceUsage = actionCollection()->addAction(QStringLiteral("manage_disk_space"));
+    manageDiskSpaceUsage->setText(i18nc("@action:inmenu Tools", "Manage Disk Space Usage"));
+    manageDiskSpaceUsage->setIcon(QIcon::fromTheme(QStringLiteral("filelight")));
+    m_diskSpaceUsageMenu = new DiskSpaceUsageMenu{this};
+    manageDiskSpaceUsage->setMenu(m_diskSpaceUsageMenu);
+
+    QAction *openPreferredSearchTool = actionCollection()->addAction(QStringLiteral("open_preferred_search_tool"));
+    openPreferredSearchTool->setText(i18nc("@action:inmenu Tools", "Open Preferred Search Tool"));
+    openPreferredSearchTool->setWhatsThis(xi18nc("@info:whatsthis",
+                                                 "<para>This opens a preferred search tool for the viewed location.</para>"
+                                                 "<para>Use <emphasis>More Search Tools</emphasis> menu to configure it.</para>"));
+    openPreferredSearchTool->setIcon(QIcon::fromTheme(QStringLiteral("search")));
+    actionCollection()->setDefaultShortcut(openPreferredSearchTool, Qt::CTRL | Qt::SHIFT | Qt::Key_F);
+    connect(openPreferredSearchTool, &QAction::triggered, this, &DolphinMainWindow::openPreferredSearchTool);
+
+    if (KAuthorized::authorize(QStringLiteral("shell_access"))) {
+        // Get icon of user default terminal emulator application
+        const KConfigGroup group(KSharedConfig::openConfig(QStringLiteral("kdeglobals"), KConfig::SimpleConfig), QStringLiteral("General"));
+        const QString terminalDesktopFilename = group.readEntry("TerminalService");
+        // Use utilities-terminal icon from theme if readEntry() has failed
+        const QString terminalIcon = terminalDesktopFilename.isEmpty() ? "utilities-terminal" : KDesktopFile(terminalDesktopFilename).readIcon();
+
+        QAction *openTerminal = actionCollection()->addAction(QStringLiteral("open_terminal"));
+        openTerminal->setText(i18nc("@action:inmenu Tools", "Open Terminal"));
+        openTerminal->setWhatsThis(xi18nc("@info:whatsthis",
+                                          "<para>This opens a <emphasis>terminal</emphasis> application for the viewed location.</para>"
+                                          "<para>To learn more about terminals use the help features in the terminal application.</para>"));
+        openTerminal->setIcon(QIcon::fromTheme(terminalIcon));
+        actionCollection()->setDefaultShortcut(openTerminal, Qt::SHIFT | Qt::Key_F4);
+        connect(openTerminal, &QAction::triggered, this, &DolphinMainWindow::openTerminal);
+
+        QAction *openTerminalHere = actionCollection()->addAction(QStringLiteral("open_terminal_here"));
+        // i18n: "Here" refers to the location(s) of the currently selected item(s) or the currently viewed location if nothing is selected.
+        openTerminalHere->setText(i18nc("@action:inmenu Tools", "Open Terminal Here"));
+        openTerminalHere->setWhatsThis(xi18nc("@info:whatsthis",
+                                              "<para>This opens <emphasis>terminal</emphasis> applications for the selected items' locations.</para>"
+                                              "<para>To learn more about terminals use the help features in the terminal application.</para>"));
+        openTerminalHere->setIcon(QIcon::fromTheme(terminalIcon));
+        actionCollection()->setDefaultShortcut(openTerminalHere, Qt::SHIFT | Qt::ALT | Qt::Key_F4);
+        connect(openTerminalHere, &QAction::triggered, this, &DolphinMainWindow::openTerminalHere);
+    }
+
+    // setup 'Bookmarks' menu
+    KActionMenu *bookmarkMenu = new KActionMenu(i18nc("@title:menu", "&Bookmarks"), this);
+    bookmarkMenu->setIcon(QIcon::fromTheme(QStringLiteral("bookmarks")));
+    // Make the toolbar button version work properly on click
+    bookmarkMenu->setPopupMode(QToolButton::InstantPopup);
+    m_bookmarkHandler = new DolphinBookmarkHandler(this, actionCollection(), bookmarkMenu->menu(), this);
+    actionCollection()->addAction(QStringLiteral("bookmarks"), bookmarkMenu);

 
     // setup 'Settings' menu
 
     // setup 'Settings' menu

-    KStdAction::preferences(this, SLOT(editSettings()), actionCollection());
-}
-
-void DolphinMainWindow::setupCreateNewMenuActions()
-{
-    // Parts of the following code have been taken
-    // from the class KNewMenu located in
-    // libqonq/knewmenu.h of Konqueror.
-    //  Copyright (C) 1998, 1999 David Faure <faure@kde.org>
-    //                2003       Sven Leiber <s.leiber@web.de>
-
-    QStringList files = actionCollection()->instance()->dirs()->findAllResources("templates");
-    for (QStringList::Iterator it = files.begin() ; it != files.end(); ++it) {
-        if ((*it)[0] != '.' ) {
-            KSimpleConfig config(*it, true);
-            config.setDesktopGroup();
-
-            // tricky solution to ensure that TextFile is at the beginning
-            // because this filetype is the most used (according kde-core discussion)
-            const QString name(config.readEntry("Name"));
-            QString key(name);
-
-            const QString path(config.readPathEntry("Url"));
-            if (!path.endsWith("emptydir")) {
-                if (path.endsWith("TextFile.txt")) {
-                    key = "1" + key;
-                }
-                else if (!KDesktopFile::isDesktopFile(path)) {
-                    key = "2" + key;
-                }
-                else if (path.endsWith("Url.desktop")){
-                    key = "3" + key;
-                }
-                else if (path.endsWith("Program.desktop")){
-                    key = "4" + key;
-                }
-                else {
-                    key = "5";
-                }
-
-                const QString icon(config.readEntry("Icon"));
-                const QString comment(config.readEntry("Comment"));
-                const QString type(config.readEntry("Type"));
-
-                const QString filePath(*it);
-
-
-                if (type == "Link") {
-                    CreateFileEntry entry;
-                    entry.name = name;
-                    entry.icon = icon;
-                    entry.comment = comment;
-                    entry.templatePath = filePath;
-                    m_createFileTemplates.insert(key, entry);
-                }
-            }
+    KToggleAction *showMenuBar = KStandardAction::showMenubar(nullptr, nullptr, actionCollection());
+    showMenuBar->setWhatsThis(xi18nc("@info:whatsthis",
+                                     "<para>This switches between having a <emphasis>Menubar</emphasis> "
+                                     "and having an <interface>%1</interface> button. Both "
+                                     "contain mostly the same actions and configuration options.</para>"
+                                     "<para>The Menubar takes up more space but allows for fast and organized access to all "
+                                     "actions an application has to offer.</para><para>The %1 button "
+                                     "is simpler and small which makes triggering advanced actions more time consuming.</para>",
+                                     hamburgerMenuAction->text().replace('&', "")));
+    connect(showMenuBar,
+            &KToggleAction::triggered, // Fixes #286822
+            this,
+            &DolphinMainWindow::toggleShowMenuBar,
+            Qt::QueuedConnection);
+
+    KStandardAction::keyBindings(this, &DolphinMainWindow::slotKeyBindings, actionCollection());
+    KStandardAction::preferences(this, &DolphinMainWindow::editSettings, actionCollection());
+
+    // not in menu actions
+    QList<QKeySequence> nextTabKeys = KStandardShortcut::tabNext();
+    nextTabKeys.append(QKeySequence(Qt::CTRL | Qt::Key_Tab));
+
+    QList<QKeySequence> prevTabKeys = KStandardShortcut::tabPrev();
+    prevTabKeys.append(QKeySequence(Qt::CTRL | Qt::SHIFT | Qt::Key_Tab));
+
+    for (int i = 0; i < MaxActivateTabShortcuts; ++i) {
+        QAction *activateTab = actionCollection()->addAction(QStringLiteral("activate_tab_%1").arg(i));
+        activateTab->setText(i18nc("@action:inmenu", "Go to Tab %1", i + 1));
+        activateTab->setEnabled(false);
+        connect(activateTab, &QAction::triggered, this, [this, i]() {
+            m_tabWidget->activateTab(i);
+        });
+
+        // only add default shortcuts for the first 9 tabs regardless of MaxActivateTabShortcuts
+        if (i < 9) {
+            actionCollection()->setDefaultShortcut(activateTab, QStringLiteral("Alt+%1").arg(i + 1));

         }
     }
         }
     }

-    m_createFileTemplates.sort();
-
-    unplugActionList("create_actions");
-    KSortableList<CreateFileEntry, QString>::ConstIterator it = m_createFileTemplates.begin();
-    KSortableList<CreateFileEntry, QString>::ConstIterator end = m_createFileTemplates.end();
-    /* KDE4-TODO: don't port this code; use KNewMenu instead
-    while (it != end) {
-        CreateFileEntry entry = (*it).value();
-        KAction* action = new KAction(entry.name);
-        action->setIcon(entry.icon);
-        action->setName((*it).index());
-        connect(action, SIGNAL(activated()),
-                this, SLOT(createFile()));
-
-        const QChar section = ((*it).index()[0]);
-        switch (section) {
-            case '1':
-            case '2': {
-                m_fileGroupActions.append(action);
-                break;
-            }
-
-            case '3':
-            case '4': {
-                // TODO: not used yet. See documentation of DolphinMainWindow::linkGroupActions()
-                // and DolphinMainWindow::linkToDeviceActions() in the header file for details.
-                //m_linkGroupActions.append(action);
-                break;
-            }

 
 

-            case '5': {
-                // TODO: not used yet. See documentation of DolphinMainWindow::linkGroupActions()
-                // and DolphinMainWindow::linkToDeviceActions() in the header file for details.
-                //m_linkToDeviceActions.append(action);
-                break;
-            }
-            default:
-                break;
+    QAction *activateLastTab = actionCollection()->addAction(QStringLiteral("activate_last_tab"));
+    activateLastTab->setIconText(i18nc("@action:inmenu", "Last Tab"));
+    activateLastTab->setText(i18nc("@action:inmenu", "Go to Last Tab"));
+    activateLastTab->setEnabled(false);
+    connect(activateLastTab, &QAction::triggered, m_tabWidget, &DolphinTabWidget::activateLastTab);
+    actionCollection()->setDefaultShortcut(activateLastTab, Qt::ALT | Qt::Key_0);
+
+    QAction *activateNextTab = actionCollection()->addAction(QStringLiteral("activate_next_tab"));
+    activateNextTab->setIconText(i18nc("@action:inmenu", "Next Tab"));
+    activateNextTab->setText(i18nc("@action:inmenu", "Go to Next Tab"));
+    activateNextTab->setEnabled(false);
+    connect(activateNextTab, &QAction::triggered, m_tabWidget, &DolphinTabWidget::activateNextTab);
+    actionCollection()->setDefaultShortcuts(activateNextTab, nextTabKeys);
+
+    QAction *activatePrevTab = actionCollection()->addAction(QStringLiteral("activate_prev_tab"));
+    activatePrevTab->setIconText(i18nc("@action:inmenu", "Previous Tab"));
+    activatePrevTab->setText(i18nc("@action:inmenu", "Go to Previous Tab"));
+    activatePrevTab->setEnabled(false);
+    connect(activatePrevTab, &QAction::triggered, m_tabWidget, &DolphinTabWidget::activatePrevTab);
+    actionCollection()->setDefaultShortcuts(activatePrevTab, prevTabKeys);
+
+    // for context menu
+    QAction *showTarget = actionCollection()->addAction(QStringLiteral("show_target"));
+    showTarget->setText(i18nc("@action:inmenu", "Show Target"));
+    showTarget->setIcon(QIcon::fromTheme(QStringLiteral("document-open-folder")));
+    showTarget->setEnabled(false);
+    connect(showTarget, &QAction::triggered, this, &DolphinMainWindow::showTarget);
+
+    QAction *openInNewTab = actionCollection()->addAction(QStringLiteral("open_in_new_tab"));
+    openInNewTab->setText(i18nc("@action:inmenu", "Open in New Tab"));
+    openInNewTab->setIcon(QIcon::fromTheme(QStringLiteral("tab-new")));
+    connect(openInNewTab, &QAction::triggered, this, &DolphinMainWindow::openInNewTab);
+
+    QAction *openInNewTabs = actionCollection()->addAction(QStringLiteral("open_in_new_tabs"));
+    openInNewTabs->setText(i18nc("@action:inmenu", "Open in New Tabs"));
+    openInNewTabs->setIcon(QIcon::fromTheme(QStringLiteral("tab-new")));
+    connect(openInNewTabs, &QAction::triggered, this, &DolphinMainWindow::openInNewTab);
+
+    QAction *openInNewWindow = actionCollection()->addAction(QStringLiteral("open_in_new_window"));
+    openInNewWindow->setText(i18nc("@action:inmenu", "Open in New Window"));
+    openInNewWindow->setIcon(QIcon::fromTheme(QStringLiteral("window-new")));
+    connect(openInNewWindow, &QAction::triggered, this, &DolphinMainWindow::openInNewWindow);
+
+    QAction *openInSplitViewAction = actionCollection()->addAction(QStringLiteral("open_in_split_view"));
+    openInSplitViewAction->setText(i18nc("@action:inmenu", "Open in Split View"));
+    openInSplitViewAction->setIcon(QIcon::fromTheme(QStringLiteral("view-split-left-right")));
+    connect(openInSplitViewAction, &QAction::triggered, this, [this]() {
+        openInSplitView(QUrl());
+    });
+
+    m_recentFiles = new KRecentFilesAction(this);
+}
+
+void DolphinMainWindow::setupDockWidgets()
+{
+    const bool lock = GeneralSettings::lockPanels();
+
+    DolphinPlacesModelSingleton::instance().placesModel()->setPanelsLocked(lock);
+
+    KDualAction *lockLayoutAction = actionCollection()->add<KDualAction>(QStringLiteral("lock_panels"));
+    lockLayoutAction->setActiveText(i18nc("@action:inmenu Panels", "Unlock Panels"));
+    lockLayoutAction->setActiveIcon(QIcon::fromTheme(QStringLiteral("object-unlocked")));
+    lockLayoutAction->setInactiveText(i18nc("@action:inmenu Panels", "Lock Panels"));
+    lockLayoutAction->setInactiveIcon(QIcon::fromTheme(QStringLiteral("object-locked")));
+    lockLayoutAction->setWhatsThis(xi18nc("@info:whatsthis",
+                                          "This "
+                                          "switches between having panels <emphasis>locked</emphasis> or "
+                                          "<emphasis>unlocked</emphasis>.<nl/>Unlocked panels can be "
+                                          "dragged to the other side of the window and have a close "
+                                          "button.<nl/>Locked panels are embedded more cleanly."));
+    lockLayoutAction->setActive(lock);
+    connect(lockLayoutAction, &KDualAction::triggered, this, &DolphinMainWindow::togglePanelLockState);
+
+    // Setup "Information"
+    DolphinDockWidget *infoDock = new DolphinDockWidget(i18nc("@title:window", "Information"));
+    infoDock->setLocked(lock);
+    infoDock->setObjectName(QStringLiteral("infoDock"));
+    infoDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
+
+#if HAVE_BALOO
+    InformationPanel *infoPanel = new InformationPanel(infoDock);
+    infoPanel->setCustomContextMenuActions({lockLayoutAction});
+    connect(infoPanel, &InformationPanel::urlActivated, this, &DolphinMainWindow::handleUrl);
+    infoDock->setWidget(infoPanel);
+
+    createPanelAction(QIcon::fromTheme(QStringLiteral("documentinfo")), Qt::Key_F11, infoDock, QStringLiteral("show_information_panel"));
+
+    addDockWidget(Qt::RightDockWidgetArea, infoDock);
+    connect(this, &DolphinMainWindow::urlChanged, infoPanel, &InformationPanel::setUrl);
+    connect(this, &DolphinMainWindow::selectionChanged, infoPanel, &InformationPanel::setSelection);
+    connect(this, &DolphinMainWindow::requestItemInfo, infoPanel, &InformationPanel::requestDelayedItemInfo);
+    connect(this, &DolphinMainWindow::fileItemsChanged, infoPanel, &InformationPanel::slotFilesItemChanged);
+    connect(this, &DolphinMainWindow::settingsChanged, infoPanel, &InformationPanel::readSettings);
+#endif
+
+    // i18n: This is the last paragraph for the "What's This"-texts of all four panels.
+    const QString panelWhatsThis = xi18nc("@info:whatsthis",
+                                          "<para>To show or "
+                                          "hide panels like this go to <interface>Menu|Panels</interface> "
+                                          "or <interface>View|Panels</interface>.</para>");
+#if HAVE_BALOO
+    actionCollection()
+        ->action(QStringLiteral("show_information_panel"))
+        ->setWhatsThis(xi18nc("@info:whatsthis",
+                              "<para> This toggles the "
+                              "<emphasis>information</emphasis> panel at the right side of the "
+                              "window.</para><para>The panel provides in-depth information "
+                              "about the items your mouse is hovering over or about the selected "
+                              "items. Otherwise it informs you about the currently viewed folder.<nl/>"
+                              "For single items a preview of their contents is provided.</para>"));
+#endif
+    infoDock->setWhatsThis(xi18nc("@info:whatsthis",
+                                  "<para>This panel "
+                                  "provides in-depth information about the items your mouse is "
+                                  "hovering over or about the selected items. Otherwise it informs "
+                                  "you about the currently viewed folder.<nl/>For single items a "
+                                  "preview of their contents is provided.</para><para>You can configure "
+                                  "which and how details are given here by right-clicking.</para>")
+                           + panelWhatsThis);
+
+    // Setup "Folders"
+    DolphinDockWidget *foldersDock = new DolphinDockWidget(i18nc("@title:window", "Folders"));
+    foldersDock->setLocked(lock);
+    foldersDock->setObjectName(QStringLiteral("foldersDock"));
+    foldersDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
+    FoldersPanel *foldersPanel = new FoldersPanel(foldersDock);
+    foldersPanel->setCustomContextMenuActions({lockLayoutAction});
+    foldersDock->setWidget(foldersPanel);
+
+    createPanelAction(QIcon::fromTheme(QStringLiteral("folder")), Qt::Key_F7, foldersDock, QStringLiteral("show_folders_panel"));
+
+    addDockWidget(Qt::LeftDockWidgetArea, foldersDock);
+    connect(this, &DolphinMainWindow::urlChanged, foldersPanel, &FoldersPanel::setUrl);
+    connect(foldersPanel, &FoldersPanel::folderActivated, this, &DolphinMainWindow::changeUrl);
+    connect(foldersPanel, &FoldersPanel::folderInNewTab, this, &DolphinMainWindow::openNewTab);
+    connect(foldersPanel, &FoldersPanel::folderInNewActiveTab, this, &DolphinMainWindow::openNewTabAndActivate);
+    connect(foldersPanel, &FoldersPanel::errorMessage, this, &DolphinMainWindow::showErrorMessage);
+
+    actionCollection()
+        ->action(QStringLiteral("show_folders_panel"))
+        ->setWhatsThis(xi18nc("@info:whatsthis",
+                              "This toggles the "
+                              "<emphasis>folders</emphasis> panel at the left side of the window."
+                              "<nl/><nl/>It shows the folders of the <emphasis>file system"
+                              "</emphasis> in a <emphasis>tree view</emphasis>."));
+    foldersDock->setWhatsThis(xi18nc("@info:whatsthis",
+                                     "<para>This panel "
+                                     "shows the folders of the <emphasis>file system</emphasis> in a "
+                                     "<emphasis>tree view</emphasis>.</para><para>Click a folder to go "
+                                     "there. Click the arrow to the left of a folder to see its subfolders. "
+                                     "This allows quick switching between any folders.</para>")
+                              + panelWhatsThis);
+
+    // Setup "Terminal"
+#if HAVE_TERMINAL
+    if (KAuthorized::authorize(QStringLiteral("shell_access"))) {
+        DolphinDockWidget *terminalDock = new DolphinDockWidget(i18nc("@title:window Shell terminal", "Terminal"));
+        terminalDock->setLocked(lock);
+        terminalDock->setObjectName(QStringLiteral("terminalDock"));
+        terminalDock->setContentsMargins(0, 0, 0, 0);
+        m_terminalPanel = new TerminalPanel(terminalDock);
+        m_terminalPanel->setCustomContextMenuActions({lockLayoutAction});
+        terminalDock->setWidget(m_terminalPanel);
+
+        connect(m_terminalPanel, &TerminalPanel::hideTerminalPanel, terminalDock, &DolphinDockWidget::hide);
+        connect(m_terminalPanel, &TerminalPanel::changeUrl, this, &DolphinMainWindow::slotTerminalDirectoryChanged);
+        connect(terminalDock, &DolphinDockWidget::visibilityChanged, m_terminalPanel, &TerminalPanel::dockVisibilityChanged);
+        connect(terminalDock, &DolphinDockWidget::visibilityChanged, this, &DolphinMainWindow::slotTerminalPanelVisibilityChanged);
+
+        createPanelAction(QIcon::fromTheme(QStringLiteral("dialog-scripts")), Qt::Key_F4, terminalDock, QStringLiteral("show_terminal_panel"));
+
+        addDockWidget(Qt::BottomDockWidgetArea, terminalDock);
+        connect(this, &DolphinMainWindow::urlChanged, m_terminalPanel, &TerminalPanel::setUrl);
+
+        if (GeneralSettings::version() < 200) {
+            terminalDock->hide();

         }
         }

-        ++it;
-    }
-
-    plugActionList("create_file_group", m_fileGroupActions);
-    //plugActionList("create_link_group", m_linkGroupActions);
-    //plugActionList("link_to_device", m_linkToDeviceActions);*/
-}

 
 

-void DolphinMainWindow::updateHistory()
-{
-    int index = 0;
-    const Q3ValueList<UrlNavigator::HistoryElem> list = m_activeView->urlHistory(index);
+        actionCollection()
+            ->action(QStringLiteral("show_terminal_panel"))
+            ->setWhatsThis(xi18nc("@info:whatsthis",
+                                  "<para>This toggles the "
+                                  "<emphasis>terminal</emphasis> panel at the bottom of the window."
+                                  "<nl/>The location in the terminal will always match the folder "
+                                  "view so you can navigate using either.</para><para>The terminal "
+                                  "panel is not needed for basic computer usage but can be useful "
+                                  "for advanced tasks. To learn more about terminals use the help features "
+                                  "in a standalone terminal application like Konsole.</para>"));
+        terminalDock->setWhatsThis(xi18nc("@info:whatsthis",
+                                          "<para>This is "
+                                          "the <emphasis>terminal</emphasis> panel. It behaves like a "
+                                          "normal terminal but will match the location of the folder view "
+                                          "so you can navigate using either.</para><para>The terminal panel "
+                                          "is not needed for basic computer usage but can be useful for "
+                                          "advanced tasks. To learn more about terminals use the help features in a "
+                                          "standalone terminal application like Konsole.</para>")
+                                   + panelWhatsThis);
+
+        QAction *focusTerminalPanel = actionCollection()->addAction(QStringLiteral("focus_terminal_panel"));
+        focusTerminalPanel->setText(i18nc("@action:inmenu Tools", "Focus Terminal Panel"));
+        focusTerminalPanel->setToolTip(i18nc("@info:tooltip", "Move keyboard focus to and from the Terminal panel."));
+        focusTerminalPanel->setIcon(QIcon::fromTheme(QStringLiteral("swap-panels")));
+        actionCollection()->setDefaultShortcut(focusTerminalPanel, Qt::CTRL | Qt::SHIFT | Qt::Key_F4);
+        connect(focusTerminalPanel, &QAction::triggered, this, &DolphinMainWindow::toggleTerminalPanelFocus);
+    } // endif "shell_access" allowed
+#endif // HAVE_TERMINAL
+
+    if (GeneralSettings::version() < 200) {
+        infoDock->hide();
+        foldersDock->hide();
+    }
+
+    // Setup "Places"
+    DolphinDockWidget *placesDock = new DolphinDockWidget(i18nc("@title:window", "Places"));
+    placesDock->setLocked(lock);
+    placesDock->setObjectName(QStringLiteral("placesDock"));
+    placesDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
+    
+    m_placesPanel = new PlacesPanel(placesDock);
+    m_placesPanel->setCustomContextMenuActions({lockLayoutAction});
+    placesDock->setWidget(m_placesPanel);
+
+    createPanelAction(QIcon::fromTheme(QStringLiteral("compass")), Qt::Key_F9, placesDock, QStringLiteral("show_places_panel"));
+
+    addDockWidget(Qt::LeftDockWidgetArea, placesDock);
+    connect(m_placesPanel, &PlacesPanel::placeActivated, this, &DolphinMainWindow::slotPlaceActivated);
+    connect(m_placesPanel, &PlacesPanel::tabRequested, this, &DolphinMainWindow::openNewTab);
+    connect(m_placesPanel, &PlacesPanel::activeTabRequested, this, &DolphinMainWindow::openNewTabAndActivate);
+    connect(m_placesPanel, &PlacesPanel::newWindowRequested, this, [this](const QUrl &url) {
+        Dolphin::openNewWindow({url}, this);
+    });
+    connect(m_placesPanel, &PlacesPanel::openInSplitViewRequested, this, &DolphinMainWindow::openInSplitView);
+    connect(m_placesPanel, &PlacesPanel::errorMessage, this, &DolphinMainWindow::showErrorMessage);
+    connect(this, &DolphinMainWindow::urlChanged, m_placesPanel, &PlacesPanel::setUrl);
+    connect(placesDock, &DolphinDockWidget::visibilityChanged, &DolphinUrlNavigatorsController::slotPlacesPanelVisibilityChanged);
+    connect(placesDock, &DolphinDockWidget::visibilityChanged, this, &DolphinMainWindow::slotPlacesPanelVisibilityChanged);
+    connect(this, &DolphinMainWindow::settingsChanged, m_placesPanel, &PlacesPanel::readSettings);
+    connect(m_placesPanel, &PlacesPanel::storageTearDownRequested, this, &DolphinMainWindow::slotStorageTearDownFromPlacesRequested);
+    connect(m_placesPanel, &PlacesPanel::storageTearDownExternallyRequested, this, &DolphinMainWindow::slotStorageTearDownExternallyRequested);
+    DolphinUrlNavigatorsController::slotPlacesPanelVisibilityChanged(m_placesPanel->isVisible());
+
+    auto actionShowAllPlaces = new QAction(QIcon::fromTheme(QStringLiteral("view-hidden")), i18nc("@item:inmenu", "Show Hidden Places"), this);
+    actionShowAllPlaces->setCheckable(true);
+    actionShowAllPlaces->setDisabled(true);
+    actionShowAllPlaces->setWhatsThis(i18nc("@info:whatsthis",
+                                            "This displays "
+                                            "all places in the places panel that have been hidden. They will "
+                                            "appear semi-transparent and allow you to uncheck their \"Hide\" property."));
+
+    connect(actionShowAllPlaces, &QAction::triggered, this, [this](bool checked) {
+        m_placesPanel->setShowAll(checked);
+    });
+    connect(m_placesPanel, &PlacesPanel::allPlacesShownChanged, actionShowAllPlaces, &QAction::setChecked);
+
+    actionCollection()
+        ->action(QStringLiteral("show_places_panel"))
+        ->setWhatsThis(xi18nc("@info:whatsthis",
+                              "<para>This toggles the "
+                              "<emphasis>places</emphasis> panel at the left side of the window."
+                              "</para><para>It allows you to go to locations you have "
+                              "bookmarked and to access disk or media attached to the computer "
+                              "or to the network. It also contains sections to find recently "
+                              "saved files or files of a certain type.</para>"));
+    placesDock->setWhatsThis(xi18nc("@info:whatsthis",
+                                    "<para>This is the "
+                                    "<emphasis>Places</emphasis> panel. It allows you to go to locations "
+                                    "you have bookmarked and to access disk or media attached to the "
+                                    "computer or to the network. It also contains sections to find "
+                                    "recently saved files or files of a certain type.</para><para>"
+                                    "Click on an entry to go there. Click with the right mouse button "
+                                    "instead to open any entry in a new tab or new window.</para>"
+                                    "<para>New entries can be added by dragging folders onto this panel. "
+                                    "Right-click any section or entry to hide it. Right-click an empty "
+                                    "space on this panel and select <interface>Show Hidden Places"
+                                    "</interface> to display it again.</para>")
+                             + panelWhatsThis);
+
+    QAction *focusPlacesPanel = actionCollection()->addAction(QStringLiteral("focus_places_panel"));
+    focusPlacesPanel->setText(i18nc("@action:inmenu View", "Focus Places Panel"));
+    focusPlacesPanel->setToolTip(i18nc("@info:tooltip", "Move keyboard focus to and from the Places panel."));
+    focusPlacesPanel->setIcon(QIcon::fromTheme(QStringLiteral("swap-panels")));
+    actionCollection()->setDefaultShortcut(focusPlacesPanel, Qt::CTRL | Qt::Key_P);
+    connect(focusPlacesPanel, &QAction::triggered, this, &DolphinMainWindow::togglePlacesPanelFocus);
+
+    // Add actions into the "Panels" menu
+    KActionMenu *panelsMenu = new KActionMenu(i18nc("@action:inmenu View", "Show Panels"), this);
+    actionCollection()->addAction(QStringLiteral("panels"), panelsMenu);
+    panelsMenu->setIcon(QIcon::fromTheme(QStringLiteral("view-sidetree")));
+    panelsMenu->setPopupMode(QToolButton::InstantPopup);
+    const KActionCollection *ac = actionCollection();
+    panelsMenu->addAction(ac->action(QStringLiteral("show_places_panel")));
+#if HAVE_BALOO
+    panelsMenu->addAction(ac->action(QStringLiteral("show_information_panel")));
+#endif
+    panelsMenu->addAction(ac->action(QStringLiteral("show_folders_panel")));
+    panelsMenu->addAction(ac->action(QStringLiteral("show_terminal_panel")));
+    panelsMenu->addSeparator();
+    panelsMenu->addAction(lockLayoutAction);
+    panelsMenu->addSeparator();
+    panelsMenu->addAction(actionShowAllPlaces);
+    panelsMenu->addAction(focusPlacesPanel);
+    panelsMenu->addAction(ac->action(QStringLiteral("focus_terminal_panel")));
+
+    connect(panelsMenu->menu(), &QMenu::aboutToShow, this, [actionShowAllPlaces] {
+        actionShowAllPlaces->setEnabled(DolphinPlacesModelSingleton::instance().placesModel()->hiddenCount());
+    });
+}
+
+void DolphinMainWindow::updateFileAndEditActions()
+{
+    const KFileItemList list = m_activeViewContainer->view()->selectedItems();
+    const KActionCollection *col = actionCollection();
+    KFileItemListProperties capabilitiesSource(list);
+
+    QAction *renameAction = col->action(KStandardAction::name(KStandardAction::RenameFile));
+    QAction *moveToTrashAction = col->action(KStandardAction::name(KStandardAction::MoveToTrash));
+    QAction *deleteAction = col->action(KStandardAction::name(KStandardAction::DeleteFile));
+    QAction *cutAction = col->action(KStandardAction::name(KStandardAction::Cut));
+    QAction *duplicateAction = col->action(QStringLiteral("duplicate")); // see DolphinViewActionHandler
+    QAction *addToPlacesAction = col->action(QStringLiteral("add_to_places"));
+    QAction *copyToOtherViewAction = col->action(QStringLiteral("copy_to_inactive_split_view"));
+    QAction *moveToOtherViewAction = col->action(QStringLiteral("move_to_inactive_split_view"));
+    QAction *copyLocation = col->action(QStringLiteral("copy_location"));
+
+    if (list.isEmpty()) {
+        stateChanged(QStringLiteral("has_no_selection"));
+
+        // All actions that need a selection to function can be enabled because they should trigger selection mode.
+        renameAction->setEnabled(true);
+        moveToTrashAction->setEnabled(true);
+        deleteAction->setEnabled(true);
+        cutAction->setEnabled(true);
+        duplicateAction->setEnabled(true);
+        addToPlacesAction->setEnabled(true);
+        copyLocation->setEnabled(true);
+        // Them triggering selection mode and not directly acting on selected items is signified by adding "…" to their text.
+        m_actionTextHelper->textsWhenNothingIsSelectedEnabled(true);
+
+    } else {
+        m_actionTextHelper->textsWhenNothingIsSelectedEnabled(false);
+        stateChanged(QStringLiteral("has_selection"));
+
+        QAction *deleteWithTrashShortcut = col->action(QStringLiteral("delete_shortcut")); // see DolphinViewActionHandler
+        QAction *showTarget = col->action(QStringLiteral("show_target"));
+
+        if (list.length() == 1 && list.first().isDir()) {
+            addToPlacesAction->setEnabled(true);
+        } else {
+            addToPlacesAction->setEnabled(false);
+        }

 
 

-    KAction* backAction = actionCollection()->action("go_back");
-    if (backAction != 0) {
-        backAction->setEnabled(index < static_cast<int>(list.count()) - 1);
+        const bool enableMoveToTrash = capabilitiesSource.isLocal() && capabilitiesSource.supportsMoving();
+
+        renameAction->setEnabled(capabilitiesSource.supportsMoving());
+        m_disabledActionNotifier->setDisabledReason(renameAction, i18nc("@info", "Cannot rename: You do not have permission to rename items in this folder."));
+        deleteAction->setEnabled(capabilitiesSource.supportsDeleting());
+        m_disabledActionNotifier->setDisabledReason(deleteAction,
+                                                    i18nc("@info", "Cannot delete: You do not have permission to remove items from this folder."));
+        cutAction->setEnabled(capabilitiesSource.supportsMoving());
+        m_disabledActionNotifier->setDisabledReason(cutAction, i18nc("@info", "Cannot cut: You do not have permission to move items from this folder."));
+        copyLocation->setEnabled(list.length() == 1);
+        showTarget->setEnabled(list.length() == 1 && list.at(0).isLink());
+        duplicateAction->setEnabled(capabilitiesSource.supportsWriting());
+        m_disabledActionNotifier->setDisabledReason(duplicateAction,
+                                                    i18nc("@info", "Cannot duplicate here: You do not have permission to create items in this folder."));
+
+        if (enableMoveToTrash) {
+            moveToTrashAction->setEnabled(true);
+            deleteWithTrashShortcut->setEnabled(false);
+            m_disabledActionNotifier->clearDisabledReason(deleteWithTrashShortcut);
+        } else {
+            moveToTrashAction->setEnabled(false);
+            deleteWithTrashShortcut->setEnabled(capabilitiesSource.supportsDeleting());
+            m_disabledActionNotifier->setDisabledReason(deleteWithTrashShortcut,
+                                                        i18nc("@info", "Cannot delete: You do not have permission to remove items from this folder."));
+        }

     }
 
     }
 

-    KAction* forwardAction = actionCollection()->action("go_forward");
-    if (forwardAction != 0) {
-        forwardAction->setEnabled(index > 0);
+    if (!m_tabWidget->currentTabPage()->splitViewEnabled()) {
+        // No need to set the disabled reason here, as it's obvious to the user that the reason is the split view being disabled.
+        copyToOtherViewAction->setEnabled(false);
+        m_disabledActionNotifier->clearDisabledReason(copyToOtherViewAction);
+        moveToOtherViewAction->setEnabled(false);
+        m_disabledActionNotifier->clearDisabledReason(moveToOtherViewAction);
+    } else if (list.isEmpty()) {
+        copyToOtherViewAction->setEnabled(false);
+        m_disabledActionNotifier->setDisabledReason(copyToOtherViewAction, i18nc("@info", "Cannot copy to other view: No files selected."));
+        moveToOtherViewAction->setEnabled(false);
+        m_disabledActionNotifier->setDisabledReason(moveToOtherViewAction, i18nc("@info", "Cannot move to other view: No files selected."));
+    } else {
+        DolphinTabPage *tabPage = m_tabWidget->currentTabPage();
+        KFileItem capabilitiesDestination;
+
+        if (tabPage->primaryViewActive()) {
+            capabilitiesDestination = tabPage->secondaryViewContainer()->rootItem();
+        } else {
+            capabilitiesDestination = tabPage->primaryViewContainer()->rootItem();
+        }
+
+        const auto destUrl = capabilitiesDestination.url();
+        const bool allNotTargetOrigin = std::all_of(list.cbegin(), list.cend(), [destUrl](const KFileItem &item) {
+            return item.url().adjusted(QUrl::RemoveFilename | QUrl::StripTrailingSlash) != destUrl;
+        });
+
+        if (!allNotTargetOrigin) {
+            copyToOtherViewAction->setEnabled(false);
+            m_disabledActionNotifier->setDisabledReason(copyToOtherViewAction,
+                                                        i18nc("@info", "Cannot copy to other view: The other view already contains these items."));
+            moveToOtherViewAction->setEnabled(false);
+            m_disabledActionNotifier->setDisabledReason(moveToOtherViewAction,
+                                                        i18nc("@info", "Cannot move to other view: The other view already contains these items."));
+        } else if (!capabilitiesDestination.isWritable()) {
+            copyToOtherViewAction->setEnabled(false);
+            m_disabledActionNotifier->setDisabledReason(
+                copyToOtherViewAction,
+                i18nc("@info", "Cannot copy to other view: You do not have permission to write into the destination folder."));
+            moveToOtherViewAction->setEnabled(false);
+            m_disabledActionNotifier->setDisabledReason(
+                moveToOtherViewAction,
+                i18nc("@info", "Cannot move to other view: You do not have permission to write into the destination folder."));
+        } else {
+            copyToOtherViewAction->setEnabled(true);
+            moveToOtherViewAction->setEnabled(capabilitiesSource.supportsMoving());
+            m_disabledActionNotifier->setDisabledReason(
+                moveToOtherViewAction,
+                i18nc("@info", "Cannot move to other view: You do not have permission to move items from this folder."));
+        }

     }
 }
 
     }
 }
 

-void DolphinMainWindow::updateEditActions()
+void DolphinMainWindow::updateViewActions()

 {
 {

-    const KFileItemList* list = m_activeView->selectedItems();
-    if ((list == 0) || (*list).isEmpty()) {
-        stateChanged("has_no_selection");
-    }
-    else {
-        stateChanged("has_selection");
-
-        KAction* renameAction = actionCollection()->action("rename");
-        if (renameAction != 0) {
-            renameAction->setEnabled(list->count() >= 1);
-        }
-
-        bool enableMoveToTrash = true;
+    m_actionHandler->updateViewActions();

 
 

-        KFileItemList::const_iterator it = list->begin();
-        const KFileItemList::const_iterator end = list->end();
-        while (it != end) {
-            KFileItem* item = *it;
-            const KUrl& url = item->url();
-            // only enable the 'Move to Trash' action for local files
-            if (!url.isLocalFile()) {
-                enableMoveToTrash = false;
-            }
-            ++it;
-        }
+    QAction *toggleFilterBarAction = actionCollection()->action(QStringLiteral("toggle_filter"));
+    toggleFilterBarAction->setChecked(m_activeViewContainer->isFilterBarVisible());

 
 

-        KAction* moveToTrashAction = actionCollection()->action("move_to_trash");
-        moveToTrashAction->setEnabled(enableMoveToTrash);
-    }
-    updatePasteAction();
+    updateSplitActions();

 }
 
 }
 

-void DolphinMainWindow::updateViewActions()
+void DolphinMainWindow::updateGoActions()

 {
 {

-    KAction* zoomInAction = actionCollection()->action(KStdAction::stdName(KStdAction::ZoomIn));
-    if (zoomInAction != 0) {
-        zoomInAction->setEnabled(m_activeView->isZoomInPossible());
-    }
+    QAction *goUpAction = actionCollection()->action(KStandardAction::name(KStandardAction::Up));
+    const QUrl currentUrl = m_activeViewContainer->url();
+    // I think this is one of the best places to firstly be confronted
+    // with a file system and its hierarchy. Talking about the root
+    // directory might seem too much here but it is the question that
+    // naturally arises in this context.
+    goUpAction->setWhatsThis(xi18nc("@info:whatsthis",
+                                    "<para>Go to "
+                                    "the folder that contains the currently viewed one.</para>"
+                                    "<para>All files and folders are organized in a hierarchical "
+                                    "<emphasis>file system</emphasis>. At the top of this hierarchy is "
+                                    "a directory that contains all data connected to this computer"
+                                    "—the <emphasis>root directory</emphasis>.</para>"));
+    goUpAction->setEnabled(KIO::upUrl(currentUrl) != currentUrl);
+}

 
 

-    KAction* zoomOutAction = actionCollection()->action(KStdAction::stdName(KStdAction::ZoomOut));
-    if (zoomOutAction != 0) {
-        zoomOutAction->setEnabled(m_activeView->isZoomOutPossible());
-    }
+void DolphinMainWindow::refreshViews()
+{
+    m_tabWidget->refreshViews();

 
 

-    KAction* action = 0;
-    switch (m_activeView->mode()) {
-        case DolphinView::IconsView:
-            action = actionCollection()->action("icons");
-            break;
-        case DolphinView::DetailsView:
-            action = actionCollection()->action("details");
-            break;
-        case DolphinView::PreviewsView:
-            action = actionCollection()->action("previews");
-            break;
-        default:
-            break;
+    if (GeneralSettings::modifiedStartupSettings()) {
+        updateWindowTitle();

     }
 
     }
 

-    if (action != 0) {
-        KToggleAction* toggleAction = static_cast<KToggleAction*>(action);
-        toggleAction->setChecked(true);
-    }
+    updateSplitActions();

 
 

-    slotSortingChanged(m_activeView->sorting());
-    slotSortOrderChanged(m_activeView->sortOrder());
+    Q_EMIT settingsChanged();
+}

 
 

-    KToggleAction* showFilterBarAction =
-        static_cast<KToggleAction*>(actionCollection()->action("show_filter_bar"));
-    showFilterBarAction->setChecked(m_activeView->isFilterBarVisible());
+void DolphinMainWindow::clearStatusBar()
+{
+    m_activeViewContainer->statusBar()->resetToDefaultText();
+}
+
+void DolphinMainWindow::connectViewSignals(DolphinViewContainer *container)
+{
+    connect(container, &DolphinViewContainer::showFilterBarChanged, this, &DolphinMainWindow::updateFilterBarAction);
+    connect(container, &DolphinViewContainer::writeStateChanged, this, &DolphinMainWindow::slotWriteStateChanged);
+    slotWriteStateChanged(container->view()->isFolderWritable());
+    connect(container, &DolphinViewContainer::searchBarVisibilityChanged, this, &DolphinMainWindow::updateSearchAction);
+    connect(container, &DolphinViewContainer::captionChanged, this, &DolphinMainWindow::updateWindowTitle);
+    connect(container, &DolphinViewContainer::tabRequested, this, &DolphinMainWindow::openNewTab);
+    connect(container, &DolphinViewContainer::activeTabRequested, this, &DolphinMainWindow::openNewTabAndActivate);
+
+    // Make the toggled state of the selection mode actions visually follow the selection mode state of the view.
+    auto toggleSelectionModeAction = actionCollection()->action(QStringLiteral("toggle_selection_mode"));
+    toggleSelectionModeAction->setChecked(m_activeViewContainer->isSelectionModeEnabled());
+    connect(m_activeViewContainer, &DolphinViewContainer::selectionModeChanged, toggleSelectionModeAction, &QAction::setChecked);
+
+    const DolphinView *view = container->view();
+    connect(view, &DolphinView::selectionChanged, this, &DolphinMainWindow::slotSelectionChanged);
+    connect(view, &DolphinView::requestItemInfo, this, &DolphinMainWindow::requestItemInfo);
+    connect(view, &DolphinView::fileItemsChanged, this, &DolphinMainWindow::fileItemsChanged);
+    connect(view, &DolphinView::tabRequested, this, &DolphinMainWindow::openNewTab);
+    connect(view, &DolphinView::activeTabRequested, this, &DolphinMainWindow::openNewTabAndActivate);
+    connect(view, &DolphinView::windowRequested, this, &DolphinMainWindow::openNewWindow);
+    connect(view, &DolphinView::requestContextMenu, this, &DolphinMainWindow::openContextMenu);
+    connect(view, &DolphinView::directoryLoadingStarted, this, &DolphinMainWindow::enableStopAction);
+    connect(view, &DolphinView::directoryLoadingCompleted, this, &DolphinMainWindow::disableStopAction);
+    connect(view, &DolphinView::directoryLoadingCompleted, this, &DolphinMainWindow::slotDirectoryLoadingCompleted);
+    connect(view, &DolphinView::goBackRequested, this, &DolphinMainWindow::goBack);
+    connect(view, &DolphinView::goForwardRequested, this, &DolphinMainWindow::goForward);
+    connect(view, &DolphinView::urlActivated, this, &DolphinMainWindow::handleUrl);
+    connect(view, &DolphinView::goUpRequested, this, &DolphinMainWindow::goUp);
+    connect(view, &DolphinView::doubleClickViewBackground, this, &DolphinMainWindow::slotDoubleClickViewBackground);
+
+    connect(container->urlNavigatorInternalWithHistory(), &KUrlNavigator::urlChanged, this, &DolphinMainWindow::changeUrl);
+    connect(container->urlNavigatorInternalWithHistory(), &KUrlNavigator::historyChanged, this, &DolphinMainWindow::updateHistory);
+
+    auto navigators = static_cast<DolphinNavigatorsWidgetAction *>(actionCollection()->action(QStringLiteral("url_navigators")));
+    const KUrlNavigator *navigator =
+        m_tabWidget->currentTabPage()->primaryViewActive() ? navigators->primaryUrlNavigator() : navigators->secondaryUrlNavigator();
+
+    QAction *editableLocactionAction = actionCollection()->action(QStringLiteral("editable_location"));
+    editableLocactionAction->setChecked(navigator->isUrlEditable());
+    connect(navigator, &KUrlNavigator::editableStateChanged, this, &DolphinMainWindow::slotEditableStateChanged);
+    connect(navigator, &KUrlNavigator::tabRequested, this, &DolphinMainWindow::openNewTab);
+    connect(navigator, &KUrlNavigator::activeTabRequested, this, &DolphinMainWindow::openNewTabAndActivate);
+    connect(navigator, &KUrlNavigator::newWindowRequested, this, &DolphinMainWindow::openNewWindow);
+}
+
+void DolphinMainWindow::updateSplitActions()
+{
+    QAction *popoutSplitAction = actionCollection()->action(QStringLiteral("popout_split_view"));
+
+    auto setActionPopupMode = [this](KActionMenu *action, QToolButton::ToolButtonPopupMode popupMode) {
+        action->setPopupMode(popupMode);
+        if (auto *buttonForAction = qobject_cast<QToolButton *>(toolBar()->widgetForAction(action))) {
+            buttonForAction->setPopupMode(popupMode);
+        }
+    };
+
+    const DolphinTabPage *tabPage = m_tabWidget->currentTabPage();
+    if (tabPage->splitViewEnabled()) {
+        if (GeneralSettings::closeActiveSplitView() ? tabPage->primaryViewActive() : !tabPage->primaryViewActive()) {
+            m_splitViewAction->setText(i18nc("@action:intoolbar Close left view", "Close"));
+            m_splitViewAction->setToolTip(i18nc("@info", "Close left view"));
+            m_splitViewAction->setIcon(QIcon::fromTheme(QStringLiteral("view-left-close")));
+            m_splitViewMenuAction->setText(i18nc("@action:inmenu Close left view", "Close Left View"));
+
+            popoutSplitAction->setText(i18nc("@action:intoolbar Move left view to a new window", "Pop out Left View"));
+            popoutSplitAction->setToolTip(i18nc("@info", "Move left view to a new window"));
+        } else {
+            m_splitViewAction->setText(i18nc("@action:intoolbar Close right view", "Close"));
+            m_splitViewAction->setToolTip(i18nc("@info", "Close right view"));
+            m_splitViewAction->setIcon(QIcon::fromTheme(QStringLiteral("view-right-close")));
+            m_splitViewMenuAction->setText(i18nc("@action:inmenu Close left view", "Close Right View"));
+
+            popoutSplitAction->setText(i18nc("@action:intoolbar Move right view to a new window", "Pop out Right View"));
+            popoutSplitAction->setToolTip(i18nc("@info", "Move right view to a new window"));
+        }
+        popoutSplitAction->setEnabled(true);
+        if (!m_splitViewAction->menu()) {
+            setActionPopupMode(m_splitViewAction, QToolButton::MenuButtonPopup);
+            m_splitViewAction->setMenu(new QMenu);
+            m_splitViewAction->addAction(popoutSplitAction);
+        }
+    } else {
+        m_splitViewAction->setText(i18nc("@action:intoolbar Split view", "Split"));
+        m_splitViewMenuAction->setText(m_splitViewAction->text());
+        m_splitViewAction->setToolTip(i18nc("@info", "Split view"));
+        m_splitViewAction->setIcon(QIcon::fromTheme(QStringLiteral("view-split-left-right")));
+        popoutSplitAction->setText(i18nc("@action:intoolbar Move view in focus to a new window", "Pop out"));
+        popoutSplitAction->setEnabled(false);
+        if (m_splitViewAction->menu()) {
+            m_splitViewAction->removeAction(popoutSplitAction);
+            m_splitViewAction->menu()->deleteLater();
+            m_splitViewAction->setMenu(nullptr);
+            setActionPopupMode(m_splitViewAction, QToolButton::DelayedPopup);
+        }
+    }

 
 

-    KToggleAction* showHiddenFilesAction =
-        static_cast<KToggleAction*>(actionCollection()->action("show_hidden_files"));
-    showHiddenFilesAction->setChecked(m_activeView->isShowHiddenFilesEnabled());
+    // Update state from toolbar action
+    m_splitViewMenuAction->setToolTip(m_splitViewAction->toolTip());
+    m_splitViewMenuAction->setIcon(m_splitViewAction->icon());
+}

 
 

-    KToggleAction* splitAction = static_cast<KToggleAction*>(actionCollection()->action("split_view"));
-    splitAction->setChecked(m_view[SecondaryIdx] != 0);
+void DolphinMainWindow::updateAllowedToolbarAreas()
+{
+    auto navigators = static_cast<DolphinNavigatorsWidgetAction *>(actionCollection()->action(QStringLiteral("url_navigators")));
+    if (toolBar()->actions().contains(navigators)) {
+        toolBar()->setAllowedAreas(Qt::TopToolBarArea | Qt::BottomToolBarArea);
+        if (toolBarArea(toolBar()) == Qt::LeftToolBarArea || toolBarArea(toolBar()) == Qt::RightToolBarArea) {
+            addToolBar(Qt::TopToolBarArea, toolBar());
+        }
+    } else {
+        toolBar()->setAllowedAreas(Qt::AllToolBarAreas);
+    }
+}
+
+void DolphinMainWindow::updateNavigatorsBackground()
+{
+    auto navigators = static_cast<DolphinNavigatorsWidgetAction *>(actionCollection()->action(QStringLiteral("url_navigators")));
+    navigators->setBackgroundEnabled(navigators->isInToolbar());
+}
+
+bool DolphinMainWindow::isKompareInstalled() const
+{
+    static bool initialized = false;
+    static bool installed = false;
+    if (!initialized) {
+        // TODO: maybe replace this approach later by using a menu
+        // plugin like kdiff3plugin.cpp
+        installed = !QStandardPaths::findExecutable(QStringLiteral("kompare")).isEmpty();
+        initialized = true;
+    }
+    return installed;
+}
+
+void DolphinMainWindow::createPanelAction(const QIcon &icon, const QKeySequence &shortcut, QDockWidget *dockWidget, const QString &actionName)
+{
+    auto dockAction = dockWidget->toggleViewAction();
+    dockAction->setIcon(icon);
+    dockAction->setEnabled(true);
+
+    QAction *panelAction = actionCollection()->addAction(actionName, dockAction);
+    actionCollection()->setDefaultShortcut(panelAction, shortcut);
+}
+// clang-format off
+void DolphinMainWindow::setupWhatsThis()
+{
+    // main widgets
+    menuBar()->setWhatsThis(xi18nc("@info:whatsthis", "<para>This is the "
+        "<emphasis>Menubar</emphasis>. It provides access to commands and "
+        "configuration options. Left-click on any of the menus on this "
+        "bar to see its contents.</para><para>The Menubar can be hidden "
+        "by unchecking <interface>Settings|Show Menubar</interface>. Then "
+        "most of its contents become available through a <interface>Menu"
+        "</interface> button on the <emphasis>Toolbar</emphasis>.</para>"));
+    toolBar()->setWhatsThis(xi18nc("@info:whatsthis", "<para>This is the "
+        "<emphasis>Toolbar</emphasis>. It allows quick access to "
+        "frequently used actions.</para><para>It is highly customizable. "
+        "All items you see in the <interface>Menu</interface> or "
+        "in the <interface>Menubar</interface> can be placed on the "
+        "Toolbar. Just right-click on it and select <interface>Configure "
+        "Toolbars…</interface> or find this action within the <interface>"
+        "menu</interface>."
+        "</para><para>The location of the bar and the style of its "
+        "buttons can also be changed in the right-click menu. Right-click "
+        "a button if you want to show or hide its text.</para>"));
+    m_tabWidget->setWhatsThis(xi18nc("@info:whatsthis main view",
+        "<para>Here you can see the <emphasis>folders</emphasis> and "
+        "<emphasis>files</emphasis> that are at the location described in "
+        "the <interface>Location Bar</interface> above. This area is the "
+        "central part of this application where you navigate to the files "
+        "you want to use.</para><para>For an elaborate and general "
+        "introduction to this application <link "
+        "url='https://userbase.kde.org/Dolphin/File_Management#Introduction_to_Dolphin'>"
+        "click here</link>. This will open an introductory article from "
+        "the <emphasis>KDE UserBase Wiki</emphasis>.</para><para>For brief "
+        "explanations of all the features of this <emphasis>view</emphasis> "
+        "<link url='help:/dolphin/dolphin-view.html'>click here</link> "
+        "instead. This will open a page from the <emphasis>Handbook"
+        "</emphasis> that covers the basics.</para>"));
+
+    // Settings menu
+    actionCollection()->action(KStandardAction::name(KStandardAction::KeyBindings))
+        ->setWhatsThis(xi18nc("@info:whatsthis","<para>This opens a window "
+        "that lists the <emphasis>keyboard shortcuts</emphasis>.<nl/>"
+        "There you can set up key combinations to trigger an action when "
+        "they are pressed simultaneously. All commands in this application can "
+        "be triggered this way.</para>"));
+    actionCollection()->action(KStandardAction::name(KStandardAction::ConfigureToolbars))
+        ->setWhatsThis(xi18nc("@info:whatsthis","<para>This opens a window in which "
+        "you can change which buttons appear on the <emphasis>Toolbar</emphasis>.</para>"
+        "<para>All items you see in the <interface>Menu</interface> can also be placed on the Toolbar.</para>"));
+    actionCollection()->action(KStandardAction::name(KStandardAction::Preferences))
+        ->setWhatsThis(xi18nc("@info:whatsthis","This opens a window where you can "
+        "change a multitude of settings for this application. For an explanation "
+        "of the various settings go to the chapter <emphasis>Configuring Dolphin"
+        "</emphasis> in <interface>Help|Dolphin Handbook</interface>."));
+
+    // Help menu
+
+    auto setStandardActionWhatsThis = [this](KStandardAction::StandardAction actionId,
+                                             const QString &whatsThis) {
+        // Check for the existence of an action since it can be restricted through the Kiosk system
+        if (auto *action = actionCollection()->action(KStandardAction::name(actionId))) {
+            action->setWhatsThis(whatsThis);
+        }
+    };
+
+    // i18n: If the external link isn't available in your language it might make
+    // sense to state the external link's language in brackets to not
+    // frustrate the user. If there are multiple languages that the user might
+    // know with a reasonable chance you might want to have 2 external links.
+    // The same might be true for any external link you translate.
+    setStandardActionWhatsThis(KStandardAction::HelpContents, xi18nc("@info:whatsthis handbook", "<para>This opens the Handbook for this application. It provides explanations for every part of <emphasis>Dolphin</emphasis>.</para><para>If you want more elaborate introductions to the different features of <emphasis>Dolphin</emphasis> <link url='https://userbase.kde.org/Dolphin/File_Management'>click here</link>. It will open the dedicated page in the KDE UserBase Wiki.</para>"));
+    // (The i18n call should be completely in the line following the i18n: comment without any line breaks within the i18n call or the comment might not be correctly extracted. See: https://commits.kde.org/kxmlgui/a31135046e1b3335b5d7bbbe6aa9a883ce3284c1 )
+
+    setStandardActionWhatsThis(KStandardAction::WhatsThis,
+        xi18nc("@info:whatsthis whatsthis button",
+        "<para>This is the button that invokes the help feature you are "
+        "using right now! Click it, then click any component of this "
+        "application to ask \"What's this?\" about it. The mouse cursor "
+        "will change appearance if no help is available for a spot.</para>"
+        "<para>There are two other ways to get help: "
+        "The <link url='help:/dolphin/index.html'>Dolphin Handbook</link> and "
+        "the <link url='https://userbase.kde.org/Dolphin/File_Management'>KDE "
+        "UserBase Wiki</link>.</para><para>The \"What's this?\" help is "
+        "missing in most other windows so don't get too used to this.</para>"));
+
+    setStandardActionWhatsThis(KStandardAction::ReportBug,
+        xi18nc("@info:whatsthis","<para>This opens a "
+        "window that will guide you through reporting errors or flaws "
+        "in this application or in other KDE software.</para>"
+        "<para>High-quality bug reports are much appreciated. To learn "
+        "how to make your bug report as effective as possible "
+        "<link url='https://community.kde.org/Get_Involved/Bug_Reporting'>"
+        "click here</link>.</para>"));
+
+    setStandardActionWhatsThis(KStandardAction::Donate,
+        xi18nc("@info:whatsthis", "<para>This opens a "
+        "<emphasis>web page</emphasis> where you can donate to "
+        "support the continued work on this application and many "
+        "other projects by the <emphasis>KDE</emphasis> community.</para>"
+        "<para>Donating is the easiest and fastest way to efficiently "
+        "support KDE and its projects. KDE projects are available for "
+        "free therefore your donation is needed to cover things that "
+        "require money like servers, contributor meetings, etc.</para>"
+        "<para><emphasis>KDE e.V.</emphasis> is the non-profit "
+        "organization behind the KDE community.</para>"));
+
+    setStandardActionWhatsThis(KStandardAction::SwitchApplicationLanguage,
+        xi18nc("@info:whatsthis",
+        "With this you can change the language this application uses."
+        "<nl/>You can even set secondary languages which will be used "
+        "if texts are not available in your preferred language."));
+
+    setStandardActionWhatsThis(KStandardAction::AboutApp,
+        xi18nc("@info:whatsthis","This opens a "
+        "window that informs you about the version, license, "
+        "used libraries and maintainers of this application."));
+
+    setStandardActionWhatsThis(KStandardAction::AboutKDE,
+        xi18nc("@info:whatsthis","This opens a "
+        "window with information about <emphasis>KDE</emphasis>. "
+        "The KDE community are the people behind this free software."
+        "<nl/>If you like using this application but don't know "
+        "about KDE or want to see a cute dragon have a look!"));
+}
+// clang-format on
+
+bool DolphinMainWindow::addHamburgerMenuToToolbar()
+{
+    QDomDocument domDocument = KXMLGUIClient::domDocument();
+    if (domDocument.isNull()) {
+        return false;
+    }
+    QDomNode toolbar = domDocument.elementsByTagName(QStringLiteral("ToolBar")).at(0);
+    if (toolbar.isNull()) {
+        return false;
+    }
+
+    QDomElement hamburgerMenuElement = domDocument.createElement(QStringLiteral("Action"));
+    hamburgerMenuElement.setAttribute(QStringLiteral("name"), QStringLiteral("hamburger_menu"));
+    toolbar.appendChild(hamburgerMenuElement);
+
+    KXMLGUIFactory::saveConfigFile(domDocument, xmlFile());
+    reloadXML();
+    createGUI();
+    return true;
+    // Make sure to also remove the <KXMLGUIFactory> and <QDomDocument> include
+    // whenever this method is removed (maybe in the year ~2026).
+}

 
 

-    KToggleAction* sidebarAction = static_cast<KToggleAction*>(actionCollection()->action("sidebar"));
-    sidebarAction->setChecked(m_sidebar != 0);
+// Set a sane initial window size
+QSize DolphinMainWindow::sizeHint() const
+{
+    return KXmlGuiWindow::sizeHint().expandedTo(QSize(760, 550));

 }
 
 }
 

-void DolphinMainWindow::updateGoActions()
+void DolphinMainWindow::saveNewToolbarConfig()

 {
 {

-    KAction* goUpAction = actionCollection()->action(KStdAction::stdName(KStdAction::Up));
-    const KUrl& currentUrl = m_activeView->url();
-    goUpAction->setEnabled(currentUrl.upUrl() != currentUrl);
+    KXmlGuiWindow::saveNewToolbarConfig(); // Applies the new config. This has to be called first
+                                           // because the rest of this method decides things
+                                           // based on the new config.
+    auto navigators = static_cast<DolphinNavigatorsWidgetAction *>(actionCollection()->action(QStringLiteral("url_navigators")));
+    if (!toolBar()->actions().contains(navigators)) {
+        m_tabWidget->currentTabPage()->insertNavigatorsWidget(navigators);
+    }
+    updateAllowedToolbarAreas();
+    updateNavigatorsBackground();
+    (static_cast<KHamburgerMenu *>(actionCollection()->action(KStandardAction::name(KStandardAction::HamburgerMenu))))->hideActionsOf(toolBar());

 }
 
 }
 

-void DolphinMainWindow::updateViewProperties(const KUrl::List& urls)
+void DolphinMainWindow::toggleTerminalPanelFocus()

 {
 {

-    if (urls.isEmpty()) {
+    if (!m_terminalPanel->isVisible()) {
+        actionCollection()->action(QStringLiteral("show_terminal_panel"))->trigger(); // Also moves focus to the panel.
+        actionCollection()->action(QStringLiteral("focus_terminal_panel"))->setText(i18nc("@action:inmenu Tools", "Defocus Terminal Panel"));

         return;
     }
 
         return;
     }
 

-    // Updating the view properties might take up to several seconds
-    // when dragging several thousand Urls. Writing a KIO slave for this
-    // use case is not worth the effort, but at least the main widget
-    // must be disabled and a progress should be shown.
-    ProgressIndicator progressIndicator(this,
-                                        i18n("Updating view properties..."),
-                                        QString::null,
-                                        urls.count());
+    if (m_terminalPanel->terminalHasFocus()) {
+        m_activeViewContainer->view()->setFocus(Qt::FocusReason::ShortcutFocusReason);
+        actionCollection()->action(QStringLiteral("focus_terminal_panel"))->setText(i18nc("@action:inmenu Tools", "Focus Terminal Panel"));
+        return;
+    }

 
 

-    KUrl::List::ConstIterator end = urls.end();
-    for(KUrl::List::ConstIterator it = urls.begin(); it != end; ++it) {
-        progressIndicator.execOperation();
+    m_terminalPanel->setFocus(Qt::FocusReason::ShortcutFocusReason);
+    actionCollection()->action(QStringLiteral("focus_terminal_panel"))->setText(i18nc("@action:inmenu Tools", "Defocus Terminal Panel"));
+}

 
 

-        ViewProperties props(*it);
-        props.save();
+void DolphinMainWindow::togglePlacesPanelFocus()
+{
+    if (!m_placesPanel->isVisible()) {
+        actionCollection()->action(QStringLiteral("show_places_panel"))->trigger(); // Also moves focus to the panel.
+        actionCollection()->action(QStringLiteral("focus_places_panel"))->setText(i18nc("@action:inmenu View", "Defocus Terminal Panel"));
+        return;

     }
     }

+
+    if (m_placesPanel->hasFocus()) {
+        m_activeViewContainer->view()->setFocus(Qt::FocusReason::ShortcutFocusReason);
+        actionCollection()->action(QStringLiteral("focus_places_panel"))->setText(i18nc("@action:inmenu View", "Focus Places Panel"));
+        return;
+    }
+
+    m_placesPanel->setFocus(Qt::FocusReason::ShortcutFocusReason);
+    actionCollection()->action(QStringLiteral("focus_places_panel"))->setText(i18nc("@action:inmenu View", "Defocus Places Panel"));

 }
 
 }
 

-void DolphinMainWindow::copyUrls(const KUrl::List& source, const KUrl& dest)
+DolphinMainWindow::UndoUiInterface::UndoUiInterface()
+    : KIO::FileUndoManager::UiInterface()

 {
 {

-    KIO::Job* job = KIO::copy(source, dest);
-    addPendingUndoJob(job, DolphinCommand::Copy, source, dest);

 }
 
 }
 

-void DolphinMainWindow::moveUrls(const KUrl::List& source, const KUrl& dest)
+DolphinMainWindow::UndoUiInterface::~UndoUiInterface()

 {
 {

-    KIO::Job* job = KIO::move(source, dest);
-    addPendingUndoJob(job, DolphinCommand::Move, source, dest);

 }
 
 }
 

-void DolphinMainWindow::addPendingUndoJob(KIO::Job* job,
-                                DolphinCommand::Type commandType,
-                                const KUrl::List& source,
-                                const KUrl& dest)
+void DolphinMainWindow::UndoUiInterface::jobError(KIO::Job *job)

 {
 {

-    connect(job, SIGNAL(result(KJob*)),
-            this, SLOT(addUndoOperation(KJob*)));
+    DolphinMainWindow *mainWin = qobject_cast<DolphinMainWindow *>(parentWidget());
+    if (mainWin) {
+        DolphinViewContainer *container = mainWin->activeViewContainer();
+        container->showMessage(job->errorString(), KMessageWidget::Error);
+    } else {
+        KIO::FileUndoManager::UiInterface::jobError(job);
+    }
+}

 
 

-    UndoInfo undoInfo;
-    undoInfo.id = job->progressId();
-    undoInfo.command = DolphinCommand(commandType, source, dest);
-    m_pendingUndoJobs.append(undoInfo);
+bool DolphinMainWindow::isUrlOpen(const QString &url)
+{
+    return m_tabWidget->isUrlOpen(QUrl::fromUserInput(url));

 }
 
 }
 

-void DolphinMainWindow::clearStatusBar()
+bool DolphinMainWindow::isItemVisibleInAnyView(const QString &urlOfItem)

 {
 {

-    m_activeView->statusBar()->clear();
+    return m_tabWidget->isItemVisibleInAnyView(QUrl::fromUserInput(urlOfItem));

 }
 
 }
 

-void DolphinMainWindow::openSidebar()
+void DolphinMainWindow::slotDoubleClickViewBackground(Qt::MouseButton button)

 {
 {

-    if (m_sidebar != 0) {
-        // the sidebar is already open
+    if (button != Qt::MouseButton::LeftButton) {
+        // only handle left mouse button for now

         return;
     }
 
         return;
     }
 

-    m_sidebar = new Sidebar(this, m_splitter);
-    m_sidebar->show();
+    GeneralSettings *settings = GeneralSettings::self();
+    QString clickAction = settings->doubleClickViewAction();
+
+    DolphinView *view = activeViewContainer()->view();
+    if (view == nullptr || clickAction == "none") {
+        return;
+    }

 
 

-    connect(m_sidebar, SIGNAL(urlChanged(const KUrl&)),
-            this, SLOT(slotUrlChangeRequest(const KUrl&)));
-    m_splitter->setCollapsible(m_sidebar, false);
-    m_splitter->setResizeMode(m_sidebar, QSplitter::KeepSize);
-    m_splitter->moveToFirst(m_sidebar);
+    if (clickAction == customCommand) {
+        // run custom command set by the user
+        QString path = view->url().toLocalFile();
+        QString clickCustomAction = settings->doubleClickViewCustomAction();
+        clickCustomAction.replace("{path}", path.prepend('"').append('"'));

 
 

-    SidebarSettings* settings = DolphinSettings::instance().sidebarSettings();
-    settings->setVisible(true);
+        m_job = new KIO::CommandLauncherJob(clickCustomAction);
+        m_job->setUiDelegate(new KDialogJobUiDelegate(KJobUiDelegate::AutoHandlingEnabled, this));
+        m_job->start();
+
+    } else {
+        // get the action set by the user and trigger it
+        const KActionCollection *actions = actionCollection();
+        QAction *action = actions->action(clickAction);
+        if (action == nullptr) {
+            qCWarning(DolphinDebug) << QStringLiteral("Double-click view: action `%1` was not found").arg(clickAction);
+            return;
+        }
+        action->trigger();
+    }

 }
 
 }
 

-#include "dolphinmainwindow.moc"
+#include "moc_dolphinmainwindow.cpp"