Fix PlacesItemModelTest::testDefaultViewProperties()

[dolphin.git] / src / dolphinmainwindow.cpp

diff --git a/src/dolphinmainwindow.cpp b/src/dolphinmainwindow.cpp
index fb8143ba389d803f9f603dd278349570563eea07..bcadcdb800960f36b6c87da0f53193a4ec759ec9 100644 (file)
--- a/src/dolphinmainwindow.cpp
+++ b/src/dolphinmainwindow.cpp
@@ -1,5 +1,5 @@
 /***************************************************************************
 /***************************************************************************

- *   Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>                  *
+ *   Copyright (C) 2006 by Peter Penz <peter.penz19@gmail.com>             *

  *   Copyright (C) 2006 by Stefan Monov <logixoul@gmail.com>               *
  *   Copyright (C) 2006 by Cvetoslav Ludmiloff <ludmiloff@gmail.com>       *
  *                                                                         *
  *   Copyright (C) 2006 by Stefan Monov <logixoul@gmail.com>               *
  *   Copyright (C) 2006 by Cvetoslav Ludmiloff <ludmiloff@gmail.com>       *
  *                                                                         *


@@ -20,213 +20,177 @@
  ***************************************************************************/
 
 #include "dolphinmainwindow.h"
  ***************************************************************************/
 
 #include "dolphinmainwindow.h"

-#include "dolphinviewactionhandler.h"
-#include "dolphinremoteencoding.h"

 
 

-#include <config-nepomuk.h>
-#ifdef HAVE_NEPOMUK
-#include "search/dolphinsearchoptionsconfigurator.h"
-#endif
-
-#include "dolphinapplication.h"
+#include "config-terminal.h"
+#include "global.h"
+#include "dolphindockwidget.h"

 #include "dolphincontextmenu.h"
 #include "dolphincontextmenu.h"

-#include "dolphinnewmenu.h"
-#include "search/dolphinsearchbox.h"
-#include "settings/dolphinsettings.h"
-#include "settings/dolphinsettingsdialog.h"
+#include "dolphinnewfilemenu.h"
+#include "dolphinrecenttabsmenu.h"

 #include "dolphinviewcontainer.h"
 #include "dolphinviewcontainer.h"

+#include "dolphintabpage.h"
+#include "middleclickactioneventfilter.h"

 #include "panels/folders/folderspanel.h"
 #include "panels/places/placespanel.h"
 #include "panels/information/informationpanel.h"
 #include "panels/folders/folderspanel.h"
 #include "panels/places/placespanel.h"
 #include "panels/information/informationpanel.h"

-#include "mainwindowadaptor.h"
-#include "statusbar/dolphinstatusbar.h"
-#include "viewproperties.h"
-
-#ifndef Q_OS_WIN

 #include "panels/terminal/terminalpanel.h"
 #include "panels/terminal/terminalpanel.h"

-#endif
-
+#include "settings/dolphinsettingsdialog.h"
+#include "statusbar/dolphinstatusbar.h"
+#include "views/dolphinviewactionhandler.h"
+#include "views/dolphinremoteencoding.h"
+#include "views/draganddrophelper.h"
+#include "views/viewproperties.h"
+#include "views/dolphinnewfilemenuobserver.h"

 #include "dolphin_generalsettings.h"
 #include "dolphin_generalsettings.h"

-#include "dolphin_iconsmodesettings.h"
-#include "draganddrophelper.h"
-
-#include <kaction.h>
-#include <kactioncollection.h>
-#include <kconfig.h>
-#include <kdesktopfile.h>
-#include <kdeversion.h>
-#include <kfiledialog.h>
-#include <kfileplacesmodel.h>
-#include <kglobal.h>
-#include <klineedit.h>
-#include <ktoolbar.h>
-#include <kicon.h>
-#include <kiconloader.h>
-#include <kio/netaccess.h>
-#include <kinputdialog.h>
-#include <klocale.h>
-#include <kprotocolmanager.h>
-#include <kmenu.h>
-#include <kmenubar.h>
-#include <kmessagebox.h>
-#include <kfileitemlistproperties.h>
-#include <konqmimedata.h>
-#include <kprotocolinfo.h>
-#include <krun.h>
-#include <kshell.h>
-#include <kstandarddirs.h>
-#include <kstatusbar.h>
-#include <kstandardaction.h>
-#include <ktabbar.h>
-#include <ktoggleaction.h>
-#include <kurlnavigator.h>
-#include <kurl.h>
-#include <kurlcombobox.h>
-#include <ktoolinvocation.h>
-
-#include <QDBusMessage>
-#include <QKeyEvent>
-#include <QClipboard>
-#include <QSplitter>
-#include <QDockWidget>
-#include <kacceleratormanager.h>
-
-/*
- * Remembers the tab configuration if a tab has been closed.
- * Each closed tab can be restored by the menu
- * "Go -> Recently Closed Tabs".
- */
-struct ClosedTab
-{
-    KUrl primaryUrl;
-    KUrl secondaryUrl;
-    bool isSplit;
-};
-Q_DECLARE_METATYPE(ClosedTab)
-
-DolphinMainWindow::DolphinMainWindow(int id) :
-    KXmlGuiWindow(0),
-    m_newMenu(0),
-    m_showMenuBar(0),
-    m_tabBar(0),
-    m_activeViewContainer(0),
-    m_centralWidgetLayout(0),
-    m_searchBox(0),
-#ifdef HAVE_NEPOMUK
-    m_searchOptionsConfigurator(0),
-#endif
-    m_id(id),
-    m_tabIndex(0),
-    m_viewTab(),
-    m_actionHandler(0),
-    m_remoteEncoding(0),
-    m_settingsDialog(0),
-    m_captionStatJob(0)
-{
-    setObjectName("Dolphin#");
-
-    m_viewTab.append(ViewTab());

 
 

-    new MainWindowAdaptor(this);
-    QDBusConnection::sessionBus().registerObject(QString("/dolphin/MainWindow%1").arg(m_id), this);
+#include <KActionCollection>
+#include <KActionMenu>
+#include <KAuthorized>
+#include <KConfig>
+#include <KDualAction>
+#include <KFileItemListProperties>
+#include <KHelpMenu>
+#include <KIO/JobUiDelegate>
+#include <KIO/OpenFileManagerWindowJob>
+#include <KJobWidgets>
+#include <KLocalizedString>
+#include <KMessageBox>
+#include <KProtocolInfo>
+#include <KProtocolManager>
+#include <KRun>
+#include <KShell>
+#include <KStandardAction>
+#include <KToggleAction>
+#include <KToolBar>
+#include <KToolInvocation>
+#include <KUrlComboBox>
+#include <KUrlNavigator>
+
+#include <QApplication>
+#include <QClipboard>
+#include <QCloseEvent>
+#include <QDialog>
+#include <QFileInfo>
+#include <QLineEdit>
+#include <QMenu>
+#include <QMenuBar>
+#include <QPushButton>
+#include <QShowEvent>
+#include <QStandardPaths>
+#include <QTimer>
+#include <QToolButton>
+
+namespace {
+    // Used for GeneralSettings::version() to determine whether
+    // an updated version of Dolphin is running.
+    const int CurrentDolphinVersion = 200;
+}
+
+DolphinMainWindow::DolphinMainWindow() :
+    KXmlGuiWindow(nullptr),
+    m_newFileMenu(nullptr),
+    m_tabWidget(nullptr),
+    m_activeViewContainer(nullptr),
+    m_actionHandler(nullptr),
+    m_remoteEncoding(nullptr),
+    m_settingsDialog(),
+    m_controlButton(nullptr),
+    m_updateToolBarTimer(nullptr),
+    m_lastHandleUrlStatJob(nullptr),
+    m_terminalPanel(nullptr),
+    m_placesPanel(nullptr),
+    m_tearDownFromPlacesRequested(false)
+{
+    Q_INIT_RESOURCE(dolphin);
+    setComponentName(QStringLiteral("dolphin"), QGuiApplication::applicationDisplayName());
+    setObjectName(QStringLiteral("Dolphin#"));
+
+    connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::errorMessage,
+            this, &DolphinMainWindow::showErrorMessage);

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

-    connect(undoManager, SIGNAL(undoAvailable(bool)),
-            this, SLOT(slotUndoAvailable(bool)));
-    connect(undoManager, SIGNAL(undoTextChanged(const QString&)),
-            this, SLOT(slotUndoTextChanged(const QString&)));
-    connect(undoManager, SIGNAL(jobRecordingStarted(CommandType)),
-            this, SLOT(clearStatusBar()));
-    connect(undoManager, SIGNAL(jobRecordingFinished(CommandType)),
-            this, SLOT(showCommand(CommandType)));
-    connect(DolphinSettings::instance().placesModel(), SIGNAL(errorMessage(const QString&)),
-            this, SLOT(showErrorMessage(const QString&)));
-    connect(&DragAndDropHelper::instance(), SIGNAL(errorMessage(const QString&)),
-            this, SLOT(showErrorMessage(const QString&)));
-}
+    connect(undoManager, static_cast<void(KIO::FileUndoManager::*)(bool)>(&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);
+
+    GeneralSettings* generalSettings = GeneralSettings::self();
+    const bool firstRun = (generalSettings->version() < 200);
+    if (firstRun) {
+        generalSettings->setViewPropsTimestamp(QDateTime::currentDateTime());
+    }

 
 

-DolphinMainWindow::~DolphinMainWindow()
-{
-    DolphinApplication::app()->removeMainWindow(this);
-}
+    setAcceptDrops(true);

 
 

-void DolphinMainWindow::openDirectories(const QList<KUrl>& dirs)
-{
-    if (dirs.isEmpty()) {
-        return;
-    }
+    m_tabWidget = new DolphinTabWidget(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);

 
 

-    const int oldOpenTabsCount = m_viewTab.count();
+    setupActions();

 
 

-    const GeneralSettings* generalSettings = DolphinSettings::instance().generalSettings();
-    const bool hasSplitView = generalSettings->splitView();
+    m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
+    connect(m_actionHandler, &DolphinViewActionHandler::actionBeingHandled, this, &DolphinMainWindow::clearStatusBar);
+    connect(m_actionHandler, &DolphinViewActionHandler::createDirectoryTriggered, this, &DolphinMainWindow::createDirectory);

 
 

-    // Open each directory inside a new tab. If the "split view" option has been enabled,
-    // always show two directories within one tab.
-    QList<KUrl>::const_iterator it = dirs.begin();
-    while (it != dirs.end()) {
-        openNewTab(*it);
-        ++it;
+    m_remoteEncoding = new DolphinRemoteEncoding(this, m_actionHandler);
+    connect(this, &DolphinMainWindow::urlChanged,
+            m_remoteEncoding, &DolphinRemoteEncoding::slotAboutToOpenUrl);

 
 

-        if (hasSplitView && (it != dirs.end())) {
-            const int tabIndex = m_viewTab.count() - 1;
-            m_viewTab[tabIndex].secondaryView->setUrl(*it);
-            ++it;
-        }
-    }
+    setupDockWidgets();

 
 

-    // remove the previously opened tabs
-    for (int i = 0; i < oldOpenTabsCount; ++i) {
-        closeTab(0);
-    }
-}
+    setupGUI(Keys | Save | Create | ToolBar);
+    stateChanged(QStringLiteral("new_file"));

 
 

-void DolphinMainWindow::openFiles(const QList<KUrl>& files)
-{
-    if (files.isEmpty()) {
-        return;
-    }
+    QClipboard* clipboard = QApplication::clipboard();
+    connect(clipboard, &QClipboard::dataChanged,
+            this, &DolphinMainWindow::updatePasteAction);

 
 

-    // Get all distinct directories from 'files' and open a tab
-    // for each directory. If the "split view" option is enabled, two
-    // directories are shown inside one tab (see openDirectories()).
-    QList<KUrl> dirs;
-    foreach (const KUrl& url, files) {
-        const KUrl dir(url.directory());
-        if (!dirs.contains(dir)) {
-            dirs.append(dir);
-        }
-    }
+    QAction* showFilterBarAction = actionCollection()->action(QStringLiteral("show_filter_bar"));
+    showFilterBarAction->setChecked(generalSettings->filterBar());

 
 

-    openDirectories(dirs);
+    if (firstRun) {
+        menuBar()->setVisible(false);
+        // Assure a proper default size if Dolphin runs the first time
+        resize(750, 500);
+    }

 
 

-    // Select the files. Although the files can be split between several
-    // tabs, there is no need to split 'files' accordingly, as
-    // the DolphinView will just ignore invalid selections.
-    const int tabCount = m_viewTab.count();
-    for (int i = 0; i < tabCount; ++i) {
-        m_viewTab[i].primaryView->view()->markUrlsAsSelected(files);
-        if (m_viewTab[i].secondaryView != 0) {
-            m_viewTab[i].secondaryView->view()->markUrlsAsSelected(files);
-        }
+    const bool showMenu = !menuBar()->isHidden();
+    QAction* showMenuBarAction = actionCollection()->action(KStandardAction::name(KStandardAction::ShowMenubar));
+    showMenuBarAction->setChecked(showMenu);  // workaround for bug #171080
+    if (!showMenu) {
+        createControlButton();

     }
     }

+
+    // 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);

 }
 
 }
 

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

 {
 {

-    if (m_viewTab[m_tabIndex].primaryView == 0) {
-        return;
-    }
+}

 
 

-    // move secondary view from the last position of the splitter
-    // to the first position
-    m_viewTab[m_tabIndex].splitter->insertWidget(0, m_viewTab[m_tabIndex].secondaryView);
+void DolphinMainWindow::openDirectories(const QList<QUrl>& dirs, bool splitView)
+{
+    m_tabWidget->openDirectories(dirs, splitView);
+}

 
 

-    DolphinViewContainer* container = m_viewTab[m_tabIndex].primaryView;
-    m_viewTab[m_tabIndex].primaryView = m_viewTab[m_tabIndex].secondaryView;
-    m_viewTab[m_tabIndex].secondaryView = container;
+void DolphinMainWindow::openFiles(const QList<QUrl>& files, bool splitView)
+{
+    m_tabWidget->openFiles(files, splitView);

 }
 
 void DolphinMainWindow::showCommand(CommandType command)
 }
 
 void DolphinMainWindow::showCommand(CommandType command)


@@ -234,29 +198,23 @@ void DolphinMainWindow::showCommand(CommandType command)
     DolphinStatusBar* statusBar = m_activeViewContainer->statusBar();
     switch (command) {
     case KIO::FileUndoManager::Copy:
     DolphinStatusBar* statusBar = m_activeViewContainer->statusBar();
     switch (command) {
     case KIO::FileUndoManager::Copy:

-        statusBar->setMessage(i18nc("@info:status", "Successfully copied."),
-                              DolphinStatusBar::OperationCompleted);
+        statusBar->setText(i18nc("@info:status", "Successfully copied."));

         break;
     case KIO::FileUndoManager::Move:
         break;
     case KIO::FileUndoManager::Move:

-        statusBar->setMessage(i18nc("@info:status", "Successfully moved."),
-                              DolphinStatusBar::OperationCompleted);
+        statusBar->setText(i18nc("@info:status", "Successfully moved."));

         break;
     case KIO::FileUndoManager::Link:
         break;
     case KIO::FileUndoManager::Link:

-        statusBar->setMessage(i18nc("@info:status", "Successfully linked."),
-                              DolphinStatusBar::OperationCompleted);
+        statusBar->setText(i18nc("@info:status", "Successfully linked."));

         break;
     case KIO::FileUndoManager::Trash:
         break;
     case KIO::FileUndoManager::Trash:

-        statusBar->setMessage(i18nc("@info:status", "Successfully moved to trash."),
-                              DolphinStatusBar::OperationCompleted);
+        statusBar->setText(i18nc("@info:status", "Successfully moved to trash."));

         break;
     case KIO::FileUndoManager::Rename:
         break;
     case KIO::FileUndoManager::Rename:

-        statusBar->setMessage(i18nc("@info:status", "Successfully renamed."),
-                              DolphinStatusBar::OperationCompleted);
+        statusBar->setText(i18nc("@info:status", "Successfully renamed."));

         break;
 
     case KIO::FileUndoManager::Mkdir:
         break;
 
     case KIO::FileUndoManager::Mkdir:

-        statusBar->setMessage(i18nc("@info:status", "Created folder."),
-                              DolphinStatusBar::OperationCompleted);
+        statusBar->setText(i18nc("@info:status", "Created folder."));

         break;
 
     default:
         break;
 
     default:


@@ -264,32 +222,12 @@ void DolphinMainWindow::showCommand(CommandType command)
     }
 }
 
     }
 }
 

-void DolphinMainWindow::refreshViews()
-{
-    Q_ASSERT(m_viewTab[m_tabIndex].primaryView != 0);
-
-    // remember the current active view, as because of
-    // the refreshing the active view might change to
-    // the secondary view
-    DolphinViewContainer* activeViewContainer = m_activeViewContainer;
-
-    const int tabCount = m_viewTab.count();
-    for (int i = 0; i < tabCount; ++i) {
-        m_viewTab[i].primaryView->refresh();
-        if (m_viewTab[i].secondaryView != 0) {
-            m_viewTab[i].secondaryView->refresh();
-        }
-    }
-
-    setActiveViewContainer(activeViewContainer);
-}
-

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

-void DolphinMainWindow::changeUrl(const KUrl& url)
+void DolphinMainWindow::changeUrl(const QUrl &url)

 {
     if (!KProtocolManager::supportsListing(url)) {
         // The URL navigator only checks for validity, not
 {
     if (!KProtocolManager::supportsListing(url)) {
         // The URL navigator only checks for validity, not


@@ -298,26 +236,31 @@ void DolphinMainWindow::changeUrl(const KUrl& url)
         return;
     }
 
         return;
     }
 

-    DolphinViewContainer* view = activeViewContainer();
-    if (view != 0) {
-        view->setUrl(url);
-        updateEditActions();
-        updateViewActions();
-        updateGoActions();
-        setUrlAsCaption(url);
-        if (m_viewTab.count() > 1) {
-            m_tabBar->setTabText(m_tabIndex, squeezedText(tabName(m_activeViewContainer->url())));
-        }
-        const QString iconName = KMimeType::iconNameForUrl(url);
-        m_tabBar->setTabIcon(m_tabIndex, KIcon(iconName));
-        emit urlChanged(url);
+    m_activeViewContainer->setUrl(url);
+    updateEditActions();
+    updatePasteAction();
+    updateViewActions();
+    updateGoActions();
+
+    emit urlChanged(url);
+}
+
+void DolphinMainWindow::slotTerminalDirectoryChanged(const QUrl& url)
+{
+    if (m_tearDownFromPlacesRequested && url == QUrl::fromLocalFile(QDir::homePath())) {
+        m_placesPanel->proceedWithTearDown();
+        m_tearDownFromPlacesRequested = false;

     }
     }

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

 }
 
 void DolphinMainWindow::slotEditableStateChanged(bool editable)
 {
     KToggleAction* editableLocationAction =
 }
 
 void DolphinMainWindow::slotEditableStateChanged(bool editable)
 {
     KToggleAction* editableLocationAction =

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

     editableLocationAction->setChecked(editable);
 }
 
     editableLocationAction->setChecked(editable);
 }
 


@@ -325,13 +268,9 @@ void DolphinMainWindow::slotSelectionChanged(const KFileItemList& selection)
 {
     updateEditActions();
 
 {
     updateEditActions();
 

-    Q_ASSERT(m_viewTab[m_tabIndex].primaryView != 0);
-    int selectedUrlsCount = m_viewTab[m_tabIndex].primaryView->view()->selectedItemsCount();
-    if (m_viewTab[m_tabIndex].secondaryView != 0) {
-        selectedUrlsCount += m_viewTab[m_tabIndex].secondaryView->view()->selectedItemsCount();
-    }
+    const int selectedUrlsCount = m_tabWidget->currentTabPage()->selectedItemsCount();

 
 

-    QAction* compareFilesAction = actionCollection()->action("compare_files");
+    QAction* compareFilesAction = actionCollection()->action(QStringLiteral("compare_files"));

     if (selectedUrlsCount == 2) {
         compareFilesAction->setEnabled(isKompareInstalled());
     } else {
     if (selectedUrlsCount == 2) {
         compareFilesAction->setEnabled(isKompareInstalled());
     } else {


@@ -341,165 +280,112 @@ void DolphinMainWindow::slotSelectionChanged(const KFileItemList& selection)
     emit selectionChanged(selection);
 }
 
     emit selectionChanged(selection);
 }
 

-void DolphinMainWindow::slotWheelMoved(int wheelDelta)
-{
-    if (wheelDelta > 0) {
-        activatePrevTab();
-    } else {
-        activateNextTab();
-    }
-}
-
-void DolphinMainWindow::slotRequestItemInfo(const KFileItem& item)
-{
-    emit requestItemInfo(item);
-}
-

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

-    QAction* backAction = actionCollection()->action("go_back");
-    backAction->setToolTip(i18nc("@info", "Go back"));
-    if (backAction != 0) {
+    QAction* backAction = actionCollection()->action(KStandardAction::name(KStandardAction::Back));
+    if (backAction) {
+        backAction->setToolTip(i18nc("@info", "Go back"));

         backAction->setEnabled(index < urlNavigator->historySize() - 1);
     }
 
         backAction->setEnabled(index < urlNavigator->historySize() - 1);
     }
 

-    QAction* forwardAction = actionCollection()->action("go_forward");
-    forwardAction->setToolTip(i18nc("@info", "Go forward"));
-    if (forwardAction != 0) {
+    QAction* forwardAction = actionCollection()->action(KStandardAction::name(KStandardAction::Forward));
+    if (forwardAction) {
+        forwardAction->setToolTip(i18nc("@info", "Go forward"));

         forwardAction->setEnabled(index > 0);
     }
 }
 
 void DolphinMainWindow::updateFilterBarAction(bool show)
 {
         forwardAction->setEnabled(index > 0);
     }
 }
 
 void DolphinMainWindow::updateFilterBarAction(bool show)
 {

-    QAction* showFilterBarAction = actionCollection()->action("show_filter_bar");
+    QAction* showFilterBarAction = actionCollection()->action(QStringLiteral("show_filter_bar"));

     showFilterBarAction->setChecked(show);
 }
 
 void DolphinMainWindow::openNewMainWindow()
 {
     showFilterBarAction->setChecked(show);
 }
 
 void DolphinMainWindow::openNewMainWindow()
 {

-    DolphinApplication::app()->createMainWindow()->show();
+    Dolphin::openNewWindow({m_activeViewContainer->url()}, this);

 }
 
 }
 

-void DolphinMainWindow::openNewTab()
+void DolphinMainWindow::openNewActivatedTab()

 {
 {

-    openNewTab(m_activeViewContainer->url());
-    m_tabBar->setCurrentIndex(m_viewTab.count() - 1);
-
-    KUrlNavigator* navigator = m_activeViewContainer->urlNavigator();
-    if (navigator->isUrlEditable()) {
-        // if a new tab is opened and the URL is editable, assure that
-        // the user can edit the URL without manually setting the focus
-        navigator->setFocus();
-    }
+    m_tabWidget->openNewActivatedTab();

 }
 
 }
 

-void DolphinMainWindow::openNewTab(const KUrl& url)
+void DolphinMainWindow::openNewTab(const QUrl& url, DolphinTabWidget::TabPlacement tabPlacement)

 {
 {

-    QWidget* focusWidget = QApplication::focusWidget();
-
-    if (m_viewTab.count() == 1) {
-        // Only one view is open currently and hence no tab is shown at
-        // all. Before creating a tab for 'url', provide a tab for the current URL.
-        const KUrl currentUrl = m_activeViewContainer->url();
-        m_tabBar->addTab(KIcon(KMimeType::iconNameForUrl(currentUrl)),
-                         squeezedText(tabName(currentUrl)));
-        m_tabBar->blockSignals(false);
-    }
-
-    m_tabBar->addTab(KIcon(KMimeType::iconNameForUrl(url)),
-                     squeezedText(tabName(url)));
-
-    ViewTab viewTab;
-    viewTab.splitter = new QSplitter(this);
-    viewTab.splitter->setChildrenCollapsible(false);
-    viewTab.primaryView = new DolphinViewContainer(url, viewTab.splitter);
-    viewTab.primaryView->setActive(false);
-    connectViewSignals(viewTab.primaryView);
-    viewTab.primaryView->view()->reload();
-
-    m_viewTab.append(viewTab);
-
-    actionCollection()->action("close_tab")->setEnabled(true);
-
-    // provide a split view, if the startup settings are set this way
-    const GeneralSettings* generalSettings = DolphinSettings::instance().generalSettings();
-    if (generalSettings->splitView()) {
-        const int tabIndex = m_viewTab.count() - 1;
-        createSecondaryView(tabIndex);
-        m_viewTab[tabIndex].secondaryView->setActive(true);
-        m_viewTab[tabIndex].isPrimaryViewActive = false;
-    }
-
-    if (focusWidget != 0) {
-        // The DolphinViewContainer grabbed the keyboard focus. As the tab is opened
-        // in background, assure that the previous focused widget gets the focus back.
-        focusWidget->setFocus();
-    }
+    m_tabWidget->openNewTab(url, QUrl(), tabPlacement);

 }
 
 }
 

-void DolphinMainWindow::activateNextTab()
+void DolphinMainWindow::openNewTabAfterCurrentTab(const QUrl& url)

 {
 {

-    if ((m_viewTab.count() == 1) || (m_tabBar->count() < 2)) {
-        return;
-    }
-
-    const int tabIndex = (m_tabBar->currentIndex() + 1) % m_tabBar->count();
-    m_tabBar->setCurrentIndex(tabIndex);
+    m_tabWidget->openNewTab(url, QUrl(), DolphinTabWidget::AfterCurrentTab);

 }
 
 }
 

-void DolphinMainWindow::activatePrevTab()
+void DolphinMainWindow::openNewTabAfterLastTab(const QUrl& url)

 {
 {

-    if ((m_viewTab.count() == 1) || (m_tabBar->count() < 2)) {
-        return;
-    }
-
-    int tabIndex = m_tabBar->currentIndex() - 1;
-    if (tabIndex == -1) {
-        tabIndex = m_tabBar->count() - 1;
-    }
-    m_tabBar->setCurrentIndex(tabIndex);
+    m_tabWidget->openNewTab(url, QUrl(), DolphinTabWidget::AfterLastTab);

 }
 
 void DolphinMainWindow::openInNewTab()
 {
 }
 
 void DolphinMainWindow::openInNewTab()
 {

-    const KFileItemList list = m_activeViewContainer->view()->selectedItems();
-    if ((list.count() == 1) && list[0].isDir()) {
-        openNewTab(m_activeViewContainer->view()->selectedUrls()[0]);
+    const KFileItemList& list = m_activeViewContainer->view()->selectedItems();
+    bool tabCreated = false;
+
+    foreach (const KFileItem& item, list) {
+        const QUrl& url = DolphinView::openItemAsFolderUrl(item);
+        if (!url.isEmpty()) {
+            openNewTabAfterCurrentTab(url);
+            tabCreated = true;
+        }
+    }
+
+    // if no new tab has been created from the selection
+    // open the current directory in a new tab
+    if (!tabCreated) {
+        openNewTabAfterCurrentTab(m_activeViewContainer->url());

     }
 }
 
 void DolphinMainWindow::openInNewWindow()
 {
     }
 }
 
 void DolphinMainWindow::openInNewWindow()
 {

+    QUrl newWindowUrl;
+

     const KFileItemList list = m_activeViewContainer->view()->selectedItems();
     const KFileItemList list = m_activeViewContainer->view()->selectedItems();

-    if ((list.count() == 1) && list[0].isDir()) {
-        DolphinMainWindow* window = DolphinApplication::app()->createMainWindow();
-        window->changeUrl(m_activeViewContainer->view()->selectedUrls()[0]);
-        window->show();
+    if (list.isEmpty()) {
+        newWindowUrl = m_activeViewContainer->url();
+    } else if (list.count() == 1) {
+        const KFileItem& item = list.first();
+        newWindowUrl = DolphinView::openItemAsFolderUrl(item);
+    }
+
+    if (!newWindowUrl.isEmpty()) {
+        Dolphin::openNewWindow({newWindowUrl}, this);

     }
 }
 
     }
 }
 

-void DolphinMainWindow::toggleActiveView()
+void DolphinMainWindow::showTarget()

 {
 {

-    if (m_viewTab[m_tabIndex].secondaryView == 0) {
-        // only one view is available
-        return;
+    const auto link = m_activeViewContainer->view()->selectedItems().at(0);
+    const auto linkLocationDir = QFileInfo(link.localPath()).absoluteDir();
+    auto linkDestination = link.linkDest();
+    if (QFileInfo(linkDestination).isRelative()) {
+        linkDestination = linkLocationDir.filePath(linkDestination);
+    }
+    if (QFileInfo::exists(linkDestination)) {
+        KIO::highlightInFileManager({QUrl::fromLocalFile(linkDestination).adjusted(QUrl::StripTrailingSlash)});
+    } else {
+        m_activeViewContainer->showMessage(xi18nc("@info", "Could not access <filename>%1</filename>.", linkDestination),
+                                           DolphinViewContainer::Warning);

     }
     }

-
-    Q_ASSERT(m_activeViewContainer != 0);
-    Q_ASSERT(m_viewTab[m_tabIndex].primaryView != 0);
-
-    DolphinViewContainer* left  = m_viewTab[m_tabIndex].primaryView;
-    DolphinViewContainer* right = m_viewTab[m_tabIndex].secondaryView;
-    setActiveViewContainer(m_activeViewContainer == right ? left : right);

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

+

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


@@ -507,36 +393,32 @@ void DolphinMainWindow::showEvent(QShowEvent* event)
 
 void DolphinMainWindow::closeEvent(QCloseEvent* event)
 {
 
 void DolphinMainWindow::closeEvent(QCloseEvent* event)
 {

-    DolphinSettings& settings = DolphinSettings::instance();
-    GeneralSettings* generalSettings = settings.generalSettings();
-

     // Find out if Dolphin is closed directly by the user or
     // by the session manager because the session is closed
     bool closedByUser = true;
     // Find out if Dolphin is closed directly by the user or
     // by the session manager because the session is closed
     bool closedByUser = true;

-    DolphinApplication *application = qobject_cast<DolphinApplication*>(qApp);
-    if (application && application->sessionSaving()) {
+    if (qApp->isSavingSession()) {

         closedByUser = false;
     }
 
         closedByUser = false;
     }
 

-    if ((m_viewTab.count() > 1) && generalSettings->confirmClosingMultipleTabs() && closedByUser) {
+    if (m_tabWidget->count() > 1 && GeneralSettings::confirmClosingMultipleTabs() && closedByUser) {

         // Ask the user if he really wants to quit and close all tabs.
         // Open a confirmation dialog with 3 buttons:
         // Ask the user if he really wants to quit and close all tabs.
         // Open a confirmation dialog with 3 buttons:

-        // KDialog::Yes    -> Quit
-        // KDialog::No     -> Close only the current tab
-        // KDialog::Cancel -> do nothing
-        KDialog *dialog = new KDialog(this, Qt::Dialog);
-        dialog->setCaption(i18nc("@title:window", "Confirmation"));
-        dialog->setButtons(KDialog::Yes | KDialog::No | KDialog::Cancel);
+        // 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);
         dialog->setModal(true);

-        dialog->showButtonSeparator(true);
-        dialog->setButtonGuiItem(KDialog::Yes, KStandardGuiItem::quit());
-        dialog->setButtonGuiItem(KDialog::No, KGuiItem(i18n("C&lose Current Tab"), KIcon("tab-close")));
-        dialog->setButtonGuiItem(KDialog::Cancel, KStandardGuiItem::cancel());
-        dialog->setDefaultButton(KDialog::Yes);
+        QDialogButtonBox* buttons = new QDialogButtonBox(QDialogButtonBox::Yes | QDialogButtonBox::No | QDialogButtonBox::Cancel);
+        KGuiItem::assign(buttons->button(QDialogButtonBox::Yes), KGuiItem(i18nc("@action:button 'Quit Dolphin' button", "&Quit %1", QGuiApplication::applicationDisplayName()), QIcon::fromTheme(QStringLiteral("application-exit"))));
+        KGuiItem::assign(buttons->button(QDialogButtonBox::No), KGuiItem(i18n("C&lose Current Tab"), QIcon::fromTheme(QStringLiteral("tab-close"))));
+        KGuiItem::assign(buttons->button(QDialogButtonBox::Cancel), KStandardGuiItem::cancel());
+        buttons->button(QDialogButtonBox::Yes)->setDefault(true);

 
         bool doNotAskAgainCheckboxResult = false;
 
 
         bool doNotAskAgainCheckboxResult = false;
 

-        const int result = KMessageBox::createKMessageBox(dialog,
+        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(),
             QMessageBox::Warning,
             i18n("You have multiple tabs open in this window, are you sure you want to quit?"),
             QStringList(),


@@ -545,102 +427,103 @@ void DolphinMainWindow::closeEvent(QCloseEvent* event)
             KMessageBox::Notify);
 
         if (doNotAskAgainCheckboxResult) {
             KMessageBox::Notify);
 
         if (doNotAskAgainCheckboxResult) {

-            generalSettings->setConfirmClosingMultipleTabs(false);
+            GeneralSettings::setConfirmClosingMultipleTabs(false);

         }
 
         switch (result) {
         }
 
         switch (result) {

-            case KDialog::Yes:
+            case QDialogButtonBox::Yes:

                 // Quit
                 break;
                 // Quit
                 break;

-            case KDialog::No:
+            case QDialogButtonBox::No:

                 // Close only the current tab
                 // Close only the current tab

-              closeTab();
+                m_tabWidget->closeTab();
+                Q_FALLTHROUGH();

             default:
                 event->ignore();
                 return;
         }
     }
 
             default:
                 event->ignore();
                 return;
         }
     }
 

-    generalSettings->setFirstRun(false);
+    if (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("utilities-terminal"))));
+        }
+        KGuiItem::assign(buttons->button(QDialogButtonBox::Cancel), KStandardGuiItem::cancel());

 
 

-    settings.save();
+        bool doNotAskAgainCheckboxResult = false;
+
+        const auto result = KMessageBox::createKMessageBox(
+                dialog,
+                buttons,
+                QMessageBox::Warning,
+                i18n("The program '%1' is still running in the Terminal panel. Are you sure you want to quit?", m_terminalPanel->runningProgramName()),
+                QStringList(),
+                i18n("Do not ask again"),
+                &doNotAskAgainCheckboxResult,
+                KMessageBox::Dangerous);
+
+        if (doNotAskAgainCheckboxResult) {
+            GeneralSettings::setConfirmClosingTerminalRunningProgram(false);
+        }
+
+        switch (result) {
+            case QDialogButtonBox::Yes:
+                // Quit
+                break;
+            case QDialogButtonBox::No:
+                actionCollection()->action("show_terminal_panel")->trigger();
+                // Do not quit, ignore quit event
+                Q_FALLTHROUGH();
+            default:
+                event->ignore();
+                return;
+        }
+    }
+
+    GeneralSettings::setVersion(CurrentDolphinVersion);
+    GeneralSettings::self()->save();

 
     KXmlGuiWindow::closeEvent(event);
 }
 
 void DolphinMainWindow::saveProperties(KConfigGroup& group)
 {
 
     KXmlGuiWindow::closeEvent(event);
 }
 
 void DolphinMainWindow::saveProperties(KConfigGroup& group)
 {

-    const int tabCount = m_viewTab.count();
-    group.writeEntry("Tab Count", tabCount);
-    group.writeEntry("Active Tab Index", m_tabBar->currentIndex());
-
-    for (int i = 0; i < tabCount; ++i) {
-        const DolphinViewContainer* cont = m_viewTab[i].primaryView;
-        group.writeEntry(tabProperty("Primary URL", i), cont->url().url());
-        group.writeEntry(tabProperty("Primary Editable", i),
-                         cont->urlNavigator()->isUrlEditable());
-
-        cont = m_viewTab[i].secondaryView;
-        if (cont != 0) {
-            group.writeEntry(tabProperty("Secondary URL", i), cont->url().url());
-            group.writeEntry(tabProperty("Secondary Editable", i),
-                             cont->urlNavigator()->isUrlEditable());
-        }
-    }
+    m_tabWidget->saveProperties(group);

 }
 
 void DolphinMainWindow::readProperties(const KConfigGroup& group)
 {
 }
 
 void DolphinMainWindow::readProperties(const KConfigGroup& group)
 {

-    const int tabCount = group.readEntry("Tab Count", 1);
-    for (int i = 0; i < tabCount; ++i) {
-        DolphinViewContainer* cont = m_viewTab[i].primaryView;
-
-        cont->setUrl(group.readEntry(tabProperty("Primary URL", i)));
-        const bool editable = group.readEntry(tabProperty("Primary Editable", i), false);
-        cont->urlNavigator()->setUrlEditable(editable);
-
-        cont = m_viewTab[i].secondaryView;
-        const QString secondaryUrl = group.readEntry(tabProperty("Secondary URL", i));
-        if (!secondaryUrl.isEmpty()) {
-            if (cont == 0) {
-                // a secondary view should be shown, but no one is available
-                // currently -> create a new view
-                toggleSplitView();
-                cont = m_viewTab[i].secondaryView;
-                Q_ASSERT(cont != 0);
-            }
-
-            cont->setUrl(secondaryUrl);
-            const bool editable = group.readEntry(tabProperty("Secondary Editable", i), false);
-            cont->urlNavigator()->setUrlEditable(editable);
-        } else if (cont != 0) {
-            // no secondary view should be shown, but the default setting shows
-            // one already -> close the view
-            toggleSplitView();
-        }
-
-        // openNewTab() needs to be called only tabCount - 1 times
-        if (i != tabCount - 1) {
-             openNewTab();
-        }
-    }
-
-    const int index = group.readEntry("Active Tab Index", 0);
-    m_tabBar->setCurrentIndex(index);
+    m_tabWidget->readProperties(group);

 }
 
 void DolphinMainWindow::updateNewMenu()
 {
 }
 
 void DolphinMainWindow::updateNewMenu()
 {

-    m_newMenu->setViewShowsHiddenFiles(activeViewContainer()->view()->showHiddenFiles());
-    m_newMenu->slotCheckUpToDate();
-    m_newMenu->setPopupFiles(activeViewContainer()->url());
+    m_newFileMenu->setViewShowsHiddenFiles(activeViewContainer()->view()->hiddenFilesShown());
+    m_newFileMenu->checkUpToDate();
+    m_newFileMenu->setPopupFiles(activeViewContainer()->url());

 }
 
 void DolphinMainWindow::createDirectory()
 {
 }
 
 void DolphinMainWindow::createDirectory()
 {

-    m_newMenu->setViewShowsHiddenFiles(activeViewContainer()->view()->showHiddenFiles());
-    m_newMenu->setPopupFiles(activeViewContainer()->url());
-    m_newMenu->createDirectory();
+    m_newFileMenu->setViewShowsHiddenFiles(activeViewContainer()->view()->hiddenFilesShown());
+    m_newFileMenu->setPopupFiles(activeViewContainer()->url());
+    m_newFileMenu->createDirectory();

 }
 
 void DolphinMainWindow::quit()
 }
 
 void DolphinMainWindow::quit()


@@ -650,53 +533,21 @@ void DolphinMainWindow::quit()
 
 void DolphinMainWindow::showErrorMessage(const QString& message)
 {
 
 void DolphinMainWindow::showErrorMessage(const QString& message)
 {

-    if (!message.isEmpty()) {
-        DolphinStatusBar* statusBar = m_activeViewContainer->statusBar();
-        statusBar->setMessage(message, DolphinStatusBar::Error);
-    }
+    m_activeViewContainer->showMessage(message, DolphinViewContainer::Error);

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

-    if (undoAction != 0) {
+    if (undoAction) {

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

-void DolphinMainWindow::restoreClosedTab(QAction* action)
-{
-    if (action->data().toBool()) {
-        // clear all actions except the "Empty Recently Closed Tabs"
-        // action and the separator
-        QList<QAction*> actions = m_recentTabsMenu->menu()->actions();
-        const int count = actions.size();
-        for (int i = 2; i < count; ++i) {
-            m_recentTabsMenu->menu()->removeAction(actions.at(i));
-        }
-    } else {
-        const ClosedTab closedTab = action->data().value<ClosedTab>();
-        openNewTab(closedTab.primaryUrl);
-        m_tabBar->setCurrentIndex(m_viewTab.count() - 1);
-
-        if (closedTab.isSplit) {
-            // create secondary view
-            toggleSplitView();
-            m_viewTab[m_tabIndex].secondaryView->setUrl(closedTab.secondaryUrl);
-        }
-
-        m_recentTabsMenu->removeAction(action);
-    }
-
-    if (m_recentTabsMenu->menu()->actions().count() == 2) {
-        m_recentTabsMenu->setEnabled(false);
-    }
-}
-

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

-    if (undoAction != 0) {
+    if (undoAction) {

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


@@ -723,6 +574,11 @@ void DolphinMainWindow::paste()
     m_activeViewContainer->view()->paste();
 }
 
     m_activeViewContainer->view()->paste();
 }
 

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

 void DolphinMainWindow::updatePasteAction()
 {
     QAction* pasteAction = actionCollection()->action(KStandardAction::name(KStandardAction::Paste));
 void DolphinMainWindow::updatePasteAction()
 {
     QAction* pasteAction = actionCollection()->action(KStandardAction::name(KStandardAction::Paste));


@@ -731,6 +587,24 @@ void DolphinMainWindow::updatePasteAction()
     pasteAction->setText(pasteInfo.second);
 }
 
     pasteAction->setText(pasteInfo.second);
 }
 

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

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


@@ -739,7 +613,7 @@ void DolphinMainWindow::selectAll()
     // URL instead of all items of the view
 
     KUrlNavigator* urlNavigator = m_activeViewContainer->urlNavigator();
     // URL instead of all items of the view
 
     KUrlNavigator* urlNavigator = m_activeViewContainer->urlNavigator();

-    QLineEdit* lineEdit = urlNavigator->editor()->lineEdit(); // krazy:exclude=qclasses
+    QLineEdit* lineEdit = urlNavigator->editor()->lineEdit();

     const bool selectUrl = urlNavigator->isUrlEditable() &&
                            lineEdit->hasFocus();
     if (selectUrl) {
     const bool selectUrl = urlNavigator->isUrlEditable() &&
                            lineEdit->hasFocus();
     if (selectUrl) {


@@ -757,53 +631,51 @@ void DolphinMainWindow::invertSelection()
 
 void DolphinMainWindow::toggleSplitView()
 {
 
 void DolphinMainWindow::toggleSplitView()
 {

-    if (m_viewTab[m_tabIndex].secondaryView == 0) {
-        createSecondaryView(m_tabIndex);
-        setActiveViewContainer(m_viewTab[m_tabIndex].secondaryView);
-    } else if (m_activeViewContainer == m_viewTab[m_tabIndex].secondaryView) {
-        // remove secondary view
-        m_viewTab[m_tabIndex].secondaryView->close();
-        m_viewTab[m_tabIndex].secondaryView->deleteLater();
-        m_viewTab[m_tabIndex].secondaryView = 0;
-
-        setActiveViewContainer(m_viewTab[m_tabIndex].primaryView);
-    } else {
-        // The primary view is active and should be closed. Hence from a 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_viewTab[m_tabIndex].primaryView->close();
-        m_viewTab[m_tabIndex].primaryView->deleteLater();
-        m_viewTab[m_tabIndex].primaryView = m_viewTab[m_tabIndex].secondaryView;
-        m_viewTab[m_tabIndex].secondaryView = 0;
-
-        setActiveViewContainer(m_viewTab[m_tabIndex].primaryView);
-    }
+    DolphinTabPage* tabPage = m_tabWidget->currentTabPage();
+    tabPage->setSplitViewEnabled(!tabPage->splitViewEnabled());

 
     updateViewActions();
 }
 
 
     updateViewActions();
 }
 

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

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

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

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

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

 }
 
 }
 

-void DolphinMainWindow::toggleFilterBarVisibility(bool show)
+void DolphinMainWindow::disableStopAction()

 {
 {

-    m_activeViewContainer->showFilterBar(show);
+    actionCollection()->action(QStringLiteral("stop"))->setEnabled(false);
+}
+
+void DolphinMainWindow::showFilterBar()
+{
+    m_activeViewContainer->setFilterBarVisible(true);

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

-    QAction* action = actionCollection()->action("editable_location");
+    QAction* action = actionCollection()->action(QStringLiteral("editable_location"));

     KUrlNavigator* urlNavigator = m_activeViewContainer->urlNavigator();
     urlNavigator->setUrlEditable(action->isChecked());
 }
     KUrlNavigator* urlNavigator = m_activeViewContainer->urlNavigator();
     urlNavigator->setUrlEditable(action->isChecked());
 }


@@ -811,125 +683,122 @@ void DolphinMainWindow::toggleEditLocation()
 void DolphinMainWindow::replaceLocation()
 {
     KUrlNavigator* navigator = m_activeViewContainer->urlNavigator();
 void DolphinMainWindow::replaceLocation()
 {
     KUrlNavigator* navigator = m_activeViewContainer->urlNavigator();

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

 
 

-    // select the whole text of the combo box editor
-    QLineEdit* lineEdit = navigator->editor()->lineEdit();  // krazy:exclude=qclasses
-    const QString text = lineEdit->text();
-    lineEdit->setSelection(0, text.length());
+void DolphinMainWindow::togglePanelLockState()
+{
+    const bool newLockState = !GeneralSettings::lockPanels();
+    foreach (QObject* child, children()) {
+        DolphinDockWidget* dock = qobject_cast<DolphinDockWidget*>(child);
+        if (dock) {
+            dock->setLocked(newLockState);
+        }
+    }
+
+    GeneralSettings::setLockPanels(newLockState);
+}
+
+void DolphinMainWindow::slotTerminalPanelVisibilityChanged()
+{
+    if (m_terminalPanel->isHiddenInVisibleWindow()) {
+        m_activeViewContainer->view()->setFocus();
+    }

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

-    clearStatusBar();
-    m_activeViewContainer->urlNavigator()->goBack();
+    KUrlNavigator* urlNavigator = m_activeViewContainer->urlNavigator();
+    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_activeViewContainer->urlNavigator()->goForward();
 }
 
 void DolphinMainWindow::goUp()
 {
     m_activeViewContainer->urlNavigator()->goForward();
 }
 
 void DolphinMainWindow::goUp()
 {

-    clearStatusBar();

     m_activeViewContainer->urlNavigator()->goUp();
 }
 
     m_activeViewContainer->urlNavigator()->goUp();
 }
 

-void DolphinMainWindow::goBack(Qt::MouseButtons buttons)
+void DolphinMainWindow::goHome()

 {
 {

-    // The default case (left button pressed) is handled in goBack().
-    if (buttons == Qt::MidButton) {
-        KUrlNavigator* urlNavigator = activeViewContainer()->urlNavigator();
-        const int index = urlNavigator->historyIndex() + 1;
-        openNewTab(urlNavigator->locationUrl(index));
-    }
+    m_activeViewContainer->urlNavigator()->goHome();

 }
 
 }
 

-void DolphinMainWindow::goForward(Qt::MouseButtons buttons)
+void DolphinMainWindow::goBackInNewTab()

 {
 {

-    // The default case (left button pressed) is handled in goForward().
-    if (buttons == Qt::MidButton) {
-        KUrlNavigator* urlNavigator = activeViewContainer()->urlNavigator();
-        const int index = urlNavigator->historyIndex() - 1;
-        openNewTab(urlNavigator->locationUrl(index));
-    }
+    KUrlNavigator* urlNavigator = activeViewContainer()->urlNavigator();
+    const int index = urlNavigator->historyIndex() + 1;
+    openNewTabAfterCurrentTab(urlNavigator->locationUrl(index));

 }
 
 }
 

-void DolphinMainWindow::goUp(Qt::MouseButtons buttons)
+void DolphinMainWindow::goForwardInNewTab()

 {
 {

-    // The default case (left button pressed) is handled in goUp().
-    if (buttons == Qt::MidButton) {
-        openNewTab(activeViewContainer()->url().upUrl());
-    }
+    KUrlNavigator* urlNavigator = activeViewContainer()->urlNavigator();
+    const int index = urlNavigator->historyIndex() - 1;
+    openNewTabAfterCurrentTab(urlNavigator->locationUrl(index));

 }
 
 }
 

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

 {
 {

-    clearStatusBar();
-    m_activeViewContainer->urlNavigator()->goHome();
+    const QUrl currentUrl = activeViewContainer()->urlNavigator()->locationUrl();
+    openNewTabAfterCurrentTab(KIO::upUrl(currentUrl));

 }
 
 }
 

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

 {
 {

-    // 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
-    Q_ASSERT(m_viewTab[m_tabIndex].primaryView != 0);
-
-    KUrl urlA;
-    KUrl urlB;
-    KUrl::List urls = m_viewTab[m_tabIndex].primaryView->view()->selectedUrls();
-
-    switch (urls.count()) {
-    case 0: {
-        Q_ASSERT(m_viewTab[m_tabIndex].secondaryView != 0);
-        urls = m_viewTab[m_tabIndex].secondaryView->view()->selectedUrls();
-        Q_ASSERT(urls.count() == 2);
-        urlA = urls[0];
-        urlB = urls[1];
-        break;
-    }
-
-    case 1: {
-        urlA = urls[0];
-        Q_ASSERT(m_viewTab[m_tabIndex].secondaryView != 0);
-        urls = m_viewTab[m_tabIndex].secondaryView->view()->selectedUrls();
-        Q_ASSERT(urls.count() == 1);
-        urlB = urls[0];
-        break;
-    }
+    openNewTabAfterCurrentTab(Dolphin::homeUrl());
+}

 
 

-    case 2: {
-        urlA = urls[0];
-        urlB = urls[1];
-        break;
+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;

     }
 
     }
 

-    default: {
-        // may not happen: compareFiles may only get invoked if 2
-        // files are selected
-        Q_ASSERT(false);
-    }
-    }
+    QUrl urlA = items.at(0).url();
+    QUrl urlB = items.at(1).url();

 
 

-    QString command("kompare -c \"");
-    command.append(urlA.pathOrUrl());
+    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", this);
+    KRun::runCommand(command, QStringLiteral("Kompare"), QStringLiteral("kompare"), this);

 }
 
 void DolphinMainWindow::toggleShowMenuBar()
 {
     const bool visible = menuBar()->isVisible();
     menuBar()->setVisible(!visible);
 }
 
 void DolphinMainWindow::toggleShowMenuBar()
 {
     const bool visible = menuBar()->isVisible();
     menuBar()->setVisible(!visible);

+    if (visible) {
+        createControlButton();
+    } else {
+        deleteControlButton();
+    }

 }
 
 void DolphinMainWindow::openTerminal()
 }
 
 void DolphinMainWindow::openTerminal()


@@ -938,7 +807,10 @@ void DolphinMainWindow::openTerminal()
 
     // If the given directory is not local, it can still be the URL of an
     // ioslave using UDS_LOCAL_PATH which to be converted first.
 
     // If the given directory is not local, it can still be the URL of an
     // ioslave using UDS_LOCAL_PATH which to be converted first.

-    KUrl url = KIO::NetAccess::mostLocalUrl(m_activeViewContainer->url(), this);
+    KIO::StatJob* statJob = KIO::mostLocalUrl(m_activeViewContainer->url());
+    KJobWidgets::setWindow(statJob, this);
+    statJob->exec();
+    QUrl url = statJob->mostLocalUrl();

 
     //If the URL is local after the above conversion, set the directory.
     if (url.isLocalFile()) {
 
     //If the URL is local after the above conversion, set the directory.
     if (url.isLocalFile()) {


@@ -950,664 +822,641 @@ void DolphinMainWindow::openTerminal()
 
 void DolphinMainWindow::editSettings()
 {
 
 void DolphinMainWindow::editSettings()
 {

-    if (m_settingsDialog == 0) {
-        const KUrl& url = activeViewContainer()->url();
-        m_settingsDialog = new DolphinSettingsDialog(url, this);
-        m_settingsDialog->setAttribute(Qt::WA_DeleteOnClose);
-        m_settingsDialog->show();
-    } else {
-        m_settingsDialog->raise();
-    }
-}
-
-void DolphinMainWindow::setActiveTab(int index)
-{
-    Q_ASSERT(index >= 0);
-    Q_ASSERT(index < m_viewTab.count());
-    if (index == m_tabIndex) {
-        return;
-    }
+    if (!m_settingsDialog) {
+        DolphinViewContainer* container = activeViewContainer();
+        container->view()->writeSettings();

 
 

-    // hide current tab content
-    ViewTab& hiddenTab = m_viewTab[m_tabIndex];
-    hiddenTab.isPrimaryViewActive = hiddenTab.primaryView->isActive();
-    hiddenTab.primaryView->setActive(false);
-    if (hiddenTab.secondaryView != 0) {
-        hiddenTab.secondaryView->setActive(false);
-    }
-    QSplitter* splitter = m_viewTab[m_tabIndex].splitter;
-    splitter->hide();
-    m_centralWidgetLayout->removeWidget(splitter);
-
-    // show active tab content
-    m_tabIndex = index;
-
-    ViewTab& viewTab = m_viewTab[index];
-    m_centralWidgetLayout->addWidget(viewTab.splitter, 1);
-    viewTab.primaryView->show();
-    if (viewTab.secondaryView != 0) {
-        viewTab.secondaryView->show();
+        const QUrl url = container->url();
+        DolphinSettingsDialog* settingsDialog = new DolphinSettingsDialog(url, this);
+        connect(settingsDialog, &DolphinSettingsDialog::settingsChanged, this, &DolphinMainWindow::refreshViews);
+        settingsDialog->setAttribute(Qt::WA_DeleteOnClose);
+        settingsDialog->show();
+        m_settingsDialog = settingsDialog;
+    } else {
+        m_settingsDialog.data()->raise();

     }
     }

-    viewTab.splitter->show();
-
-    setActiveViewContainer(viewTab.isPrimaryViewActive ? viewTab.primaryView :
-                                                         viewTab.secondaryView);

 }
 
 }
 

-void DolphinMainWindow::closeTab()
+void DolphinMainWindow::handleUrl(const QUrl& url)

 {
 {

-    closeTab(m_tabBar->currentIndex());
-}
+    delete m_lastHandleUrlStatJob;
+    m_lastHandleUrlStatJob = nullptr;

 
 

-void DolphinMainWindow::closeTab(int index)
-{
-    Q_ASSERT(index >= 0);
-    Q_ASSERT(index < m_viewTab.count());
-    if (m_viewTab.count() == 1) {
-        // the last tab may never get closed
-        return;
-    }
-
-    if (index == m_tabIndex) {
-        // The tab that should be closed is the active tab. Activate the
-        // previous tab before closing the tab.
-        m_tabBar->setCurrentIndex((index > 0) ? index - 1 : 1);
-    }
-    rememberClosedTab(index);
-
-    // delete tab
-    m_viewTab[index].primaryView->deleteLater();
-    if (m_viewTab[index].secondaryView != 0) {
-        m_viewTab[index].secondaryView->deleteLater();
-    }
-    m_viewTab[index].splitter->deleteLater();
-    m_viewTab.erase(m_viewTab.begin() + index);
-
-    m_tabBar->blockSignals(true);
-    m_tabBar->removeTab(index);
-
-    if (m_tabIndex > index) {
-        m_tabIndex--;
-        Q_ASSERT(m_tabIndex >= 0);
-    }
+    if (url.isLocalFile() && QFileInfo(url.toLocalFile()).isDir()) {
+        activeViewContainer()->setUrl(url);
+    } else if (KProtocolManager::supportsListing(url)) {
+        // stat the URL to see if it is a dir or not
+        m_lastHandleUrlStatJob = KIO::stat(url, KIO::HideProgressInfo);
+        if (m_lastHandleUrlStatJob->uiDelegate()) {
+            KJobWidgets::setWindow(m_lastHandleUrlStatJob, this);
+        }
+        connect(m_lastHandleUrlStatJob, &KIO::Job::result,
+                this, &DolphinMainWindow::slotHandleUrlStatFinished);

 
 

-    // if only one tab is left, also remove the tab entry so that
-    // closing the last tab is not possible
-    if (m_viewTab.count() == 1) {
-        m_tabBar->removeTab(0);
-        actionCollection()->action("close_tab")->setEnabled(false);

     } else {
     } else {

-        m_tabBar->blockSignals(false);
-    }
-}
-
-void DolphinMainWindow::openTabContextMenu(int index, const QPoint& pos)
-{
-    KMenu menu(this);
-
-    QAction* newTabAction = menu.addAction(KIcon("tab-new"), i18nc("@action:inmenu", "New Tab"));
-    newTabAction->setShortcut(actionCollection()->action("new_tab")->shortcut());
-
-    QAction* detachTabAction = menu.addAction(KIcon("tab-detach"), i18nc("@action:inmenu", "Detach Tab"));
-
-    QAction* closeOtherTabsAction = menu.addAction(KIcon("tab-close-other"), i18nc("@action:inmenu", "Close Other Tabs"));
-
-    QAction* closeTabAction = menu.addAction(KIcon("tab-close"), i18nc("@action:inmenu", "Close Tab"));
-    closeTabAction->setShortcut(actionCollection()->action("close_tab")->shortcut());
-    QAction* selectedAction = menu.exec(pos);
-    if (selectedAction == newTabAction) {
-        const ViewTab& tab = m_viewTab[index];
-        Q_ASSERT(tab.primaryView != 0);
-        const KUrl url = (tab.secondaryView != 0) && tab.secondaryView->isActive() ?
-                         tab.secondaryView->url() : tab.primaryView->url();
-        openNewTab(url);
-        m_tabBar->setCurrentIndex(m_viewTab.count() - 1);
-    } else if (selectedAction == detachTabAction) {
-        const ViewTab& tab = m_viewTab[index];
-        Q_ASSERT(tab.primaryView != 0);
-        const KUrl primaryUrl = tab.primaryView->url();
-        DolphinMainWindow* window = DolphinApplication::app()->createMainWindow();
-        window->changeUrl(primaryUrl);
-
-        if (tab.secondaryView != 0) {
-            const KUrl secondaryUrl = tab.secondaryView->url();
-            window->toggleSplitView();
-            window->m_viewTab[0].secondaryView->setUrl(secondaryUrl);
-            if (tab.primaryView->isActive()) {
-                window->m_viewTab[0].primaryView->setActive(true);
-            } else {
-                window->m_viewTab[0].secondaryView->setActive(true);
-            }
-        }
-        window->show();
-        closeTab(index);
-    } else if (selectedAction == closeOtherTabsAction) {
-        const int count = m_tabBar->count();
-        for (int i = 0; i < index; ++i) {
-            closeTab(0);
-        }
-        for (int i = index + 1; i < count; ++i) {
-            closeTab(1);
-        }
-    } else if (selectedAction == closeTabAction) {
-        closeTab(index);
+        new KRun(url, this); // Automatically deletes itself after being finished

     }
 }
 
     }
 }
 

-void DolphinMainWindow::slotTabMoved(int from, int to)
+void DolphinMainWindow::slotHandleUrlStatFinished(KJob* job)

 {
 {

-    m_viewTab.move(from, to);
-    m_tabIndex = m_tabBar->currentIndex();
-}
-
-void DolphinMainWindow::handlePlacesClick(const KUrl& url, Qt::MouseButtons buttons)
-{
-    if (buttons & Qt::MidButton) {
-        openNewTab(url);
-        m_tabBar->setCurrentIndex(m_viewTab.count() - 1);
+    m_lastHandleUrlStatJob = nullptr;
+    const KIO::UDSEntry entry = static_cast<KIO::StatJob*>(job)->statResult();
+    const QUrl url = static_cast<KIO::StatJob*>(job)->url();
+    if (entry.isDir()) {
+        activeViewContainer()->setUrl(url);

     } else {
     } else {

-        changeUrl(url);
+        new KRun(url, this);  // Automatically deletes itself after being finished

     }
 }
 
     }
 }
 

-void DolphinMainWindow::slotTestCanDecode(const QDragMoveEvent* event, bool& canDecode)
+void DolphinMainWindow::slotWriteStateChanged(bool isFolderWritable)

 {
 {

-    canDecode = KUrl::List::canDecode(event->mimeData());
+    // 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"));

 }
 
 }
 

-void DolphinMainWindow::searchItems()
+void DolphinMainWindow::openContextMenu(const QPoint& pos,
+                                        const KFileItem& item,
+                                        const QUrl& url,
+                                        const QList<QAction*>& customActions)

 {
 {

-#ifdef HAVE_NEPOMUK
-    const KUrl nepomukSearchUrl = m_searchOptionsConfigurator->nepomukSearchUrl();
-    m_activeViewContainer->setUrl(nepomukSearchUrl);
-#endif
-}
+    QPointer<DolphinContextMenu> contextMenu = new DolphinContextMenu(this, pos, item, url);
+    contextMenu.data()->setCustomActions(customActions);
+    const DolphinContextMenu::Command command = contextMenu.data()->open();

 
 

-void DolphinMainWindow::showSearchOptions()
-{
-#ifdef HAVE_NEPOMUK
-    m_searchOptionsConfigurator->show();
-#endif
-}
+    switch (command) {
+    case DolphinContextMenu::OpenParentFolder:
+        changeUrl(KIO::upUrl(item.url()));
+        m_activeViewContainer->view()->markUrlsAsSelected({item.url()});
+        m_activeViewContainer->view()->markUrlAsCurrent(item.url());
+        break;

 
 

-void DolphinMainWindow::handleUrl(const KUrl& url)
-{
-    if (KProtocolManager::supportsListing(url)) {
-        activeViewContainer()->setUrl(url);
-    } else {
-        new KRun(url, this);
+    case DolphinContextMenu::OpenParentFolderInNewWindow:
+        Dolphin::openNewWindow({item.url()}, this, Dolphin::OpenNewWindowFlag::Select);
+        break;
+
+    case DolphinContextMenu::OpenParentFolderInNewTab:
+        openNewTabAfterLastTab(KIO::upUrl(item.url()));
+        break;
+
+    case DolphinContextMenu::None:
+    default:
+        break;

     }
     }

-}

 
 

-void DolphinMainWindow::slotCaptionStatFinished(KJob* job)
-{
-    m_captionStatJob = 0;
-    const KIO::UDSEntry entry = static_cast<KIO::StatJob*>(job)->statResult();
-    const QString name = entry.stringValue(KIO::UDSEntry::UDS_DISPLAY_NAME);
-    setCaption(name);
+    // Delete the menu, unless it has been deleted in its own nested event loop already.
+    if (contextMenu) {
+        contextMenu->deleteLater();
+    }

 }
 
 }
 

-void DolphinMainWindow::slotWriteStateChanged(bool isFolderWritable)
+void DolphinMainWindow::updateControlMenu()

 {
 {

-    newMenu()->setEnabled(isFolderWritable);
-}
+    QMenu* menu = qobject_cast<QMenu*>(sender());
+    Q_ASSERT(menu);

 
 

-void DolphinMainWindow::openContextMenu(const KFileItem& item,
-                                        const KUrl& url,
-                                        const QList<QAction*>& customActions)
-{
-    DolphinContextMenu contextMenu(this, item, url);
-    contextMenu.setCustomActions(customActions);
-    contextMenu.open();
-}
+    // All actions get cleared by QMenu::clear(). This includes the sub-menus
+    // because 'menu' is their parent.
+    menu->clear();

 
 

-void DolphinMainWindow::init()
-{
-    DolphinSettings& settings = DolphinSettings::instance();
+    KActionCollection* ac = actionCollection();

 
 

-    // 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 = settings.generalSettings();
-    const bool firstRun = generalSettings->firstRun();
-    if (firstRun) {
-        generalSettings->setViewPropsTimestamp(QDateTime::currentDateTime());
+    // Add "Create New" menu
+    menu->addMenu(m_newFileMenu->menu());
+
+    menu->addSeparator();
+
+    // Add "Edit" actions
+    bool added = addActionToMenu(ac->action(KStandardAction::name(KStandardAction::Undo)), menu) |
+                 addActionToMenu(ac->action(KStandardAction::name(KStandardAction::Find)), menu) |
+                 addActionToMenu(ac->action(KStandardAction::name(KStandardAction::SelectAll)), menu) |
+                 addActionToMenu(ac->action(QStringLiteral("invert_selection")), menu);
+
+    if (added) {
+        menu->addSeparator();

     }
 
     }
 

-    setAcceptDrops(true);
+    // Add "View" actions
+    if (!GeneralSettings::showZoomSlider()) {
+        addActionToMenu(ac->action(KStandardAction::name(KStandardAction::ZoomIn)), menu);
+        addActionToMenu(ac->action(KStandardAction::name(KStandardAction::ZoomOut)), menu);
+        menu->addSeparator();
+    }

 
 

-    m_viewTab[m_tabIndex].splitter = new QSplitter(this);
-    m_viewTab[m_tabIndex].splitter->setChildrenCollapsible(false);
+    added = addActionToMenu(ac->action(QStringLiteral("sort")), menu) |
+            addActionToMenu(ac->action(QStringLiteral("view_mode")), menu) |
+            addActionToMenu(ac->action(QStringLiteral("additional_info")), menu) |
+            addActionToMenu(ac->action(QStringLiteral("show_preview")), menu) |
+            addActionToMenu(ac->action(QStringLiteral("show_in_groups")), menu) |
+            addActionToMenu(ac->action(QStringLiteral("show_hidden_files")), menu);

 
 

-    setupActions();
+    if (added) {
+        menu->addSeparator();
+    }

 
 

-    const KUrl& homeUrl = generalSettings->homeUrl();
-    setUrlAsCaption(homeUrl);
-    m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
-    connect(m_actionHandler, SIGNAL(actionBeingHandled()), SLOT(clearStatusBar()));
-    connect(m_actionHandler, SIGNAL(createDirectory()), SLOT(createDirectory()));
-    ViewProperties props(homeUrl);
-    m_viewTab[m_tabIndex].primaryView = new DolphinViewContainer(homeUrl,
-                                                                 m_viewTab[m_tabIndex].splitter);
-
-    m_activeViewContainer = m_viewTab[m_tabIndex].primaryView;
-    connectViewSignals(m_activeViewContainer);
-    DolphinView* view = m_activeViewContainer->view();
-    view->reload();
-    m_activeViewContainer->show();
-    m_actionHandler->setCurrentView(view);
+    added = addActionToMenu(ac->action(QStringLiteral("split_view")), menu) |
+            addActionToMenu(ac->action(KStandardAction::name(KStandardAction::Redisplay)), menu) |
+            addActionToMenu(ac->action(QStringLiteral("view_properties")), menu);
+    if (added) {
+        menu->addSeparator();
+    }

 
 

-    m_remoteEncoding = new DolphinRemoteEncoding(this, m_actionHandler);
-    connect(this, SIGNAL(urlChanged(const KUrl&)),
-            m_remoteEncoding, SLOT(slotAboutToOpenUrl()));
-
-#ifdef HAVE_NEPOMUK
-    m_searchOptionsConfigurator = new DolphinSearchOptionsConfigurator(this);
-    m_searchOptionsConfigurator->hide();
-    connect(m_searchOptionsConfigurator, SIGNAL(searchOptionsChanged()),
-            this, SLOT(searchItems()));
-    connect(this, SIGNAL(urlChanged(KUrl)), m_searchOptionsConfigurator, SLOT(setDirectory(KUrl)));
-#endif
+    addActionToMenu(ac->action(QStringLiteral("panels")), menu);
+    QMenu* locationBarMenu = new QMenu(i18nc("@action:inmenu", "Location Bar"), menu);
+    locationBarMenu->addAction(ac->action(QStringLiteral("editable_location")));
+    locationBarMenu->addAction(ac->action(QStringLiteral("replace_location")));
+    menu->addMenu(locationBarMenu);

 
 

-    m_tabBar = new KTabBar(this);
-    m_tabBar->setMovable(true);
-    m_tabBar->setTabsClosable(true);
-    connect(m_tabBar, SIGNAL(currentChanged(int)),
-            this, SLOT(setActiveTab(int)));
-    connect(m_tabBar, SIGNAL(tabCloseRequested(int)),
-            this, SLOT(closeTab(int)));
-    connect(m_tabBar, SIGNAL(contextMenu(int, const QPoint&)),
-            this, SLOT(openTabContextMenu(int, const QPoint&)));
-    connect(m_tabBar, SIGNAL(newTabRequest()),
-            this, SLOT(openNewTab()));
-    connect(m_tabBar, SIGNAL(testCanDecode(const QDragMoveEvent*, bool&)),
-            this, SLOT(slotTestCanDecode(const QDragMoveEvent*, bool&)));
-    connect(m_tabBar, SIGNAL(wheelDelta(int)),
-            this, SLOT(slotWheelMoved(int)));
-    connect(m_tabBar, SIGNAL(mouseMiddleClick(int)),
-            this, SLOT(closeTab(int)));
-    connect(m_tabBar, SIGNAL(tabMoved(int, int)),
-            this, SLOT(slotTabMoved(int, int)));
-
-    m_tabBar->blockSignals(true);  // signals get unblocked after at least 2 tabs are open
-
-    QWidget* centralWidget = new QWidget(this);
-    m_centralWidgetLayout = new QVBoxLayout(centralWidget);
-    m_centralWidgetLayout->setSpacing(0);
-    m_centralWidgetLayout->setMargin(0);
-#ifdef HAVE_NEPOMUK
-    m_centralWidgetLayout->addWidget(m_searchOptionsConfigurator);
-#endif
-    m_centralWidgetLayout->addWidget(m_tabBar);
-    m_centralWidgetLayout->addWidget(m_viewTab[m_tabIndex].splitter, 1);
+    menu->addSeparator();

 
 

-    setCentralWidget(centralWidget);
-    setupDockWidgets();
-    emit urlChanged(homeUrl);
+    // Add "Go" menu
+    QMenu* goMenu = new QMenu(i18nc("@action:inmenu", "Go"), menu);
+    goMenu->addAction(ac->action(KStandardAction::name(KStandardAction::Back)));
+    goMenu->addAction(ac->action(KStandardAction::name(KStandardAction::Forward)));
+    goMenu->addAction(ac->action(KStandardAction::name(KStandardAction::Up)));
+    goMenu->addAction(ac->action(KStandardAction::name(KStandardAction::Home)));
+    goMenu->addAction(ac->action(QStringLiteral("closed_tabs")));
+    menu->addMenu(goMenu);

 
 

-    setupGUI(Keys | Save | Create | ToolBar);
+    // Add "Tool" menu
+    QMenu* toolsMenu = new QMenu(i18nc("@action:inmenu", "Tools"), menu);
+    toolsMenu->addAction(ac->action(QStringLiteral("show_filter_bar")));
+    toolsMenu->addAction(ac->action(QStringLiteral("compare_files")));
+    toolsMenu->addAction(ac->action(QStringLiteral("open_terminal")));
+    toolsMenu->addAction(ac->action(QStringLiteral("change_remote_encoding")));
+    menu->addMenu(toolsMenu);

 
 

-    m_searchBox->setParent(toolBar("searchToolBar"));
-    m_searchBox->show();
-    connect(m_searchBox, SIGNAL(requestSearchOptions()),
-            this, SLOT(showSearchOptions()));
-#ifdef HAVE_NEPOMUK
-    connect(m_searchBox, SIGNAL(searchTextChanged(QString)),
-            m_searchOptionsConfigurator, SLOT(setCustomSearchQuery(QString)));
-#endif
+    // Add "Settings" menu entries
+    addActionToMenu(ac->action(KStandardAction::name(KStandardAction::KeyBindings)), menu);
+    addActionToMenu(ac->action(KStandardAction::name(KStandardAction::ConfigureToolbars)), menu);
+    addActionToMenu(ac->action(KStandardAction::name(KStandardAction::Preferences)), menu);

 
 

-    stateChanged("new_file");
+    // Add "Help" menu
+    auto helpMenu = new KHelpMenu(menu);
+    menu->addMenu(helpMenu->menu());

 
 

-    QClipboard* clipboard = QApplication::clipboard();
-    connect(clipboard, SIGNAL(dataChanged()),
-            this, SLOT(updatePasteAction()));
-    updatePasteAction();
-    updateGoActions();
+    menu->addSeparator();
+    addActionToMenu(ac->action(KStandardAction::name(KStandardAction::ShowMenubar)), menu);
+}

 
 

-    if (generalSettings->splitView()) {
-        toggleSplitView();
+void DolphinMainWindow::updateToolBar()
+{
+    if (!menuBar()->isVisible()) {
+        createControlButton();

     }
     }

-    updateViewActions();
+}

 
 

-    QAction* showFilterBarAction = actionCollection()->action("show_filter_bar");
-    showFilterBarAction->setChecked(generalSettings->filterBar());
+void DolphinMainWindow::slotControlButtonDeleted()
+{
+    m_controlButton = nullptr;
+    m_updateToolBarTimer->start();
+}

 
 

-    if (firstRun) {
-        // assure a proper default size if Dolphin runs the first time
-        resize(750, 500);
+void DolphinMainWindow::slotPlaceActivated(const QUrl& url)
+{
+    DolphinViewContainer* view = activeViewContainer();
+
+    if (view->url() == url) {
+        // 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();
+    } else {
+        changeUrl(url);

     }
     }

+}

 
 

-    m_showMenuBar->setChecked(!menuBar()->isHidden());  // workaround for bug #171080
+void DolphinMainWindow::closedTabsCountChanged(unsigned int count)
+{
+    actionCollection()->action(QStringLiteral("undo_close_tab"))->setEnabled(count > 0);

 }
 
 }
 

-void DolphinMainWindow::setActiveViewContainer(DolphinViewContainer* viewContainer)
+void DolphinMainWindow::activeViewChanged(DolphinViewContainer* viewContainer)

 {
 {

-    Q_ASSERT(viewContainer != 0);
-    Q_ASSERT((viewContainer == m_viewTab[m_tabIndex].primaryView) ||
-             (viewContainer == m_viewTab[m_tabIndex].secondaryView));
-    if (m_activeViewContainer == viewContainer) {
-        return;
-    }
+    DolphinViewContainer* oldViewContainer = m_activeViewContainer;
+    Q_ASSERT(viewContainer);

 
 

-    m_activeViewContainer->setActive(false);

     m_activeViewContainer = viewContainer;
 
     m_activeViewContainer = viewContainer;
 

-    // Activating the view container might trigger a recursive setActiveViewContainer() call
-    // inside DolphinMainWindow::toggleActiveView() when having a split view. Temporary
-    // disconnect the activated() signal in this case:
-    disconnect(m_activeViewContainer->view(), SIGNAL(activated()), this, SLOT(toggleActiveView()));
-    m_activeViewContainer->setActive(true);
-    connect(m_activeViewContainer->view(), SIGNAL(activated()), this, SLOT(toggleActiveView()));
+    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->urlNavigator()->disconnect(this);
+    }
+
+    connectViewSignals(viewContainer);

 
     m_actionHandler->setCurrentView(viewContainer->view());
 
     updateHistory();
     updateEditActions();
 
     m_actionHandler->setCurrentView(viewContainer->view());
 
     updateHistory();
     updateEditActions();

+    updatePasteAction();

     updateViewActions();
     updateGoActions();
 
     updateViewActions();
     updateGoActions();
 

-    const KUrl& url = m_activeViewContainer->url();
-    setUrlAsCaption(url);
-    if (m_viewTab.count() > 1 && m_viewTab[m_tabIndex].secondaryView != 0) {
-        m_tabBar->setTabText(m_tabIndex, tabName(url));
-        m_tabBar->setTabIcon(m_tabIndex, KIcon(KMimeType::iconNameForUrl(url)));
+    const QUrl url = viewContainer->url();
+    emit urlChanged(url);
+}
+
+void DolphinMainWindow::tabCountChanged(int count)
+{
+    const bool enableTabActions = (count > 1);
+    actionCollection()->action(QStringLiteral("activate_next_tab"))->setEnabled(enableTabActions);
+    actionCollection()->action(QStringLiteral("activate_prev_tab"))->setEnabled(enableTabActions);
+}
+
+void DolphinMainWindow::updateWindowTitle()
+{
+    const QString newTitle = m_activeViewContainer->caption();
+    if (windowTitle() != newTitle) {
+        setWindowTitle(newTitle);

     }
     }

+}

 
 

-    emit urlChanged(url);
+void DolphinMainWindow::slotStorageTearDownFromPlacesRequested(const QString& mountPath)
+{
+    if (m_terminalPanel->currentWorkingDirectory().startsWith(mountPath)) {
+        m_tearDownFromPlacesRequested = true;
+        m_terminalPanel->goHome();
+        // m_placesPanel->proceedWithTearDown() will be called in slotTerminalDirectoryChanged
+    } else {
+        m_placesPanel->proceedWithTearDown();
+    }
+}
+
+void DolphinMainWindow::slotStorageTearDownExternallyRequested(const QString& mountPath)
+{
+    if (m_terminalPanel->currentWorkingDirectory().startsWith(mountPath)) {
+        m_tearDownFromPlacesRequested = false;
+        m_terminalPanel->goHome();
+    }

 }
 
 void DolphinMainWindow::setupActions()
 {
     // setup 'File' menu
 }
 
 void DolphinMainWindow::setupActions()
 {
     // setup 'File' menu

-    m_newMenu = new DolphinNewMenu(this, this);
-    KMenu* menu = m_newMenu->menu();
+    m_newFileMenu = new DolphinNewFileMenu(actionCollection(), this);
+    m_newFileMenu->setObjectName("newFileMenu");
+    QMenu* menu = m_newFileMenu->menu();

     menu->setTitle(i18nc("@title:menu Create new folder, file, link, etc.", "Create New"));
     menu->setTitle(i18nc("@title:menu Create new folder, file, link, etc.", "Create New"));

-    menu->setIcon(KIcon("document-new"));
-    connect(menu, SIGNAL(aboutToShow()),
-            this, SLOT(updateNewMenu()));
+    menu->setIcon(QIcon::fromTheme(QStringLiteral("document-new")));
+    m_newFileMenu->setDelayed(false);
+    connect(menu, &QMenu::aboutToShow,
+            this, &DolphinMainWindow::updateNewMenu);

 
 

-    KAction* newWindow = actionCollection()->addAction("new_window");
-    newWindow->setIcon(KIcon("window-new"));
+    QAction* newWindow = KStandardAction::openNew(this, &DolphinMainWindow::openNewMainWindow, actionCollection());

     newWindow->setText(i18nc("@action:inmenu File", "New &Window"));
     newWindow->setText(i18nc("@action:inmenu File", "New &Window"));

-    newWindow->setShortcut(Qt::CTRL | Qt::Key_N);
-    connect(newWindow, SIGNAL(triggered()), this, SLOT(openNewMainWindow()));
+    newWindow->setIcon(QIcon::fromTheme(QStringLiteral("window-new")));

 
 

-    KAction* newTab = actionCollection()->addAction("new_tab");
-    newTab->setIcon(KIcon("tab-new"));
+    QAction* newTab = actionCollection()->addAction(QStringLiteral("new_tab"));
+    newTab->setIcon(QIcon::fromTheme(QStringLiteral("tab-new")));

     newTab->setText(i18nc("@action:inmenu File", "New Tab"));
     newTab->setText(i18nc("@action:inmenu File", "New Tab"));

-    newTab->setShortcut(KShortcut(Qt::CTRL | Qt::Key_T, Qt::CTRL | Qt::SHIFT | Qt::Key_N));
-    connect(newTab, SIGNAL(triggered()), this, SLOT(openNewTab()));
+    actionCollection()->setDefaultShortcuts(newTab, {Qt::CTRL + Qt::Key_T, Qt::CTRL + Qt::SHIFT + Qt::Key_N});
+    connect(newTab, &QAction::triggered, this, static_cast<void(DolphinMainWindow::*)()>(&DolphinMainWindow::openNewActivatedTab));

 
 

-    KAction* closeTab = actionCollection()->addAction("close_tab");
-    closeTab->setIcon(KIcon("tab-close"));
+    QAction* closeTab = KStandardAction::close(
+            m_tabWidget, static_cast<void(DolphinTabWidget::*)()>(&DolphinTabWidget::closeTab), actionCollection());

     closeTab->setText(i18nc("@action:inmenu File", "Close Tab"));
     closeTab->setText(i18nc("@action:inmenu File", "Close Tab"));

-    closeTab->setShortcut(Qt::CTRL | Qt::Key_W);
-    closeTab->setEnabled(false);
-    connect(closeTab, SIGNAL(triggered()), this, SLOT(closeTab()));

 
 

-    KStandardAction::quit(this, SLOT(quit()), actionCollection());
+    KStandardAction::quit(this, &DolphinMainWindow::quit, actionCollection());

 
     // setup 'Edit' menu
     KStandardAction::undo(this,
 
     // setup 'Edit' menu
     KStandardAction::undo(this,

-                          SLOT(undo()),
+                          &DolphinMainWindow::undo,

                           actionCollection());
 
                           actionCollection());
 

-    // need to remove shift+del from cut action, else the shortcut for deletejob
-    // doesn't work
-    KAction* cut = KStandardAction::cut(this, SLOT(cut()), actionCollection());
-    KShortcut cutShortcut = cut->shortcut();
-    cutShortcut.remove(Qt::SHIFT + Qt::Key_Delete, KShortcut::KeepEmpty);
-    cut->setShortcut(cutShortcut);
-    KStandardAction::copy(this, SLOT(copy()), actionCollection());
-    KAction* paste = KStandardAction::paste(this, SLOT(paste()), actionCollection());
+
+    KStandardAction::cut(this, &DolphinMainWindow::cut, actionCollection());
+    KStandardAction::copy(this, &DolphinMainWindow::copy, actionCollection());
+    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"));
 
     // 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"));
 

-    KAction* selectAll = actionCollection()->addAction("select_all");
-    selectAll->setText(i18nc("@action:inmenu Edit", "Select All"));
-    selectAll->setShortcut(Qt::CTRL + Qt::Key_A);
-    connect(selectAll, SIGNAL(triggered()), this, SLOT(selectAll()));
+    KStandardAction::find(this, &DolphinMainWindow::find, actionCollection());

 
 

-    KAction* invertSelection = actionCollection()->addAction("invert_selection");
+    KStandardAction::selectAll(this, &DolphinMainWindow::selectAll, actionCollection());
+
+    QAction* invertSelection = actionCollection()->addAction(QStringLiteral("invert_selection"));

     invertSelection->setText(i18nc("@action:inmenu Edit", "Invert Selection"));
     invertSelection->setText(i18nc("@action:inmenu Edit", "Invert Selection"));

-    invertSelection->setShortcut(Qt::CTRL | Qt::SHIFT | Qt::Key_A);
-    connect(invertSelection, SIGNAL(triggered()), this, SLOT(invertSelection()));
+    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);

 
     // setup 'View' menu
     // (note that most of it is set up in DolphinViewActionHandler)
 
 
     // setup 'View' menu
     // (note that most of it is set up in DolphinViewActionHandler)
 

-    KAction* split = actionCollection()->addAction("split_view");
-    split->setShortcut(Qt::Key_F3);
-    updateSplitAction();
-    connect(split, SIGNAL(triggered()), this, SLOT(toggleSplitView()));
+    QAction* split = actionCollection()->addAction(QStringLiteral("split_view"));
+    actionCollection()->setDefaultShortcut(split, Qt::Key_F3);
+    connect(split, &QAction::triggered, this, &DolphinMainWindow::toggleSplitView);

 
 

-    KAction* reload = actionCollection()->addAction("reload");
-    reload->setText(i18nc("@action:inmenu View", "Reload"));
-    reload->setShortcut(Qt::Key_F5);
-    reload->setIcon(KIcon("view-refresh"));
-    connect(reload, SIGNAL(triggered()), this, SLOT(reloadView()));
+    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);
+    stashSplit->setVisible(KProtocolInfo::isKnownProtocol("stash"));
+    connect(stashSplit, &QAction::triggered, this, &DolphinMainWindow::toggleSplitStash);

 
 

-    KAction* stop = actionCollection()->addAction("stop");
+    KStandardAction::redisplay(this, &DolphinMainWindow::reloadView, actionCollection());
+
+    QAction* stop = actionCollection()->addAction(QStringLiteral("stop"));

     stop->setText(i18nc("@action:inmenu View", "Stop"));
     stop->setToolTip(i18nc("@info", "Stop loading"));
     stop->setText(i18nc("@action:inmenu View", "Stop"));
     stop->setToolTip(i18nc("@info", "Stop loading"));

-    stop->setIcon(KIcon("process-stop"));
-    connect(stop, SIGNAL(triggered()), this, SLOT(stopLoading()));
+    stop->setIcon(QIcon::fromTheme(QStringLiteral("process-stop")));
+    connect(stop, &QAction::triggered, this, &DolphinMainWindow::stopLoading);

 
 

-    KToggleAction* showFullLocation = actionCollection()->add<KToggleAction>("editable_location");
-    showFullLocation->setText(i18nc("@action:inmenu Navigation Bar", "Editable Location"));
-    showFullLocation->setShortcut(Qt::CTRL | Qt::Key_L);
-    connect(showFullLocation, SIGNAL(triggered()), this, SLOT(toggleEditLocation()));
+    KToggleAction* editableLocation = actionCollection()->add<KToggleAction>(QStringLiteral("editable_location"));
+    editableLocation->setText(i18nc("@action:inmenu Navigation Bar", "Editable Location"));
+    actionCollection()->setDefaultShortcut(editableLocation, Qt::Key_F6);
+    connect(editableLocation, &KToggleAction::triggered, this, &DolphinMainWindow::toggleEditLocation);

 
 

-    KAction* replaceLocation = actionCollection()->addAction("replace_location");
+    QAction* replaceLocation = actionCollection()->addAction(QStringLiteral("replace_location"));

     replaceLocation->setText(i18nc("@action:inmenu Navigation Bar", "Replace Location"));
     replaceLocation->setText(i18nc("@action:inmenu Navigation Bar", "Replace Location"));

-    replaceLocation->setShortcut(Qt::Key_F6);
-    connect(replaceLocation, SIGNAL(triggered()), this, SLOT(replaceLocation()));
+    actionCollection()->setDefaultShortcut(replaceLocation, Qt::CTRL + Qt::Key_L);
+    connect(replaceLocation, &QAction::triggered, this, &DolphinMainWindow::replaceLocation);

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

-    KAction* backAction = KStandardAction::back(this, SLOT(goBack()), actionCollection());
-    connect(backAction, SIGNAL(triggered(Qt::MouseButtons, Qt::KeyboardModifiers)), this, SLOT(goBack(Qt::MouseButtons)));
-    KShortcut backShortcut = backAction->shortcut();
-    backShortcut.setAlternate(Qt::Key_Backspace);
-    backAction->setShortcut(backShortcut);
-
-    m_recentTabsMenu = new KActionMenu(i18n("Recently Closed Tabs"), this);
-    m_recentTabsMenu->setIcon(KIcon("edit-undo"));
-    actionCollection()->addAction("closed_tabs", m_recentTabsMenu);
-    connect(m_recentTabsMenu->menu(), SIGNAL(triggered(QAction *)),
-            this, SLOT(restoreClosedTab(QAction *)));
-
-    QAction* action = new QAction("Empty Recently Closed Tabs", m_recentTabsMenu);
-    action->setIcon(KIcon("edit-clear-list"));
-    action->setData(QVariant::fromValue(true));
-    m_recentTabsMenu->addAction(action);
-    m_recentTabsMenu->addSeparator();
-    m_recentTabsMenu->setEnabled(false);
-
-    KAction* forwardAction = KStandardAction::forward(this, SLOT(goForward()), actionCollection());
-    connect(forwardAction, SIGNAL(triggered(Qt::MouseButtons, Qt::KeyboardModifiers)), this, SLOT(goForward(Qt::MouseButtons)));
-
-    KAction* upAction = KStandardAction::up(this, SLOT(goUp()), actionCollection());
-    connect(upAction, SIGNAL(triggered(Qt::MouseButtons, Qt::KeyboardModifiers)), this, SLOT(goUp(Qt::MouseButtons)));
-
-    KStandardAction::home(this, SLOT(goHome()), actionCollection());
+    QAction* backAction = KStandardAction::back(this, &DolphinMainWindow::goBack, actionCollection());
+    auto backShortcuts = backAction->shortcuts();
+    backShortcuts.append(QKeySequence(Qt::Key_Backspace));
+    actionCollection()->setDefaultShortcuts(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"));
+    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->setEnabled(false); // undo should be disabled by default
+
+    KStandardAction::forward(this, &DolphinMainWindow::goForward, actionCollection());
+    KStandardAction::up(this, &DolphinMainWindow::goUp, actionCollection());
+    KStandardAction::home(this, &DolphinMainWindow::goHome, actionCollection());

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

-    KToggleAction* showSearchBar = actionCollection()->add<KToggleAction>("show_search_bar");
-    showSearchBar->setText(i18nc("@action:inmenu Tools", "Show Search Bar"));
-    showSearchBar->setShortcut(Qt::CTRL | Qt::Key_S);
-    connect(showSearchBar, SIGNAL(triggered(bool)), this, SLOT(toggleFilterBarVisibility(bool)));
-
-    KToggleAction* showFilterBar = actionCollection()->add<KToggleAction>("show_filter_bar");
+    QAction* showFilterBar = actionCollection()->addAction(QStringLiteral("show_filter_bar"));

     showFilterBar->setText(i18nc("@action:inmenu Tools", "Show Filter Bar"));
     showFilterBar->setText(i18nc("@action:inmenu Tools", "Show Filter Bar"));

-    showFilterBar->setIcon(KIcon("view-filter"));
-    showFilterBar->setShortcut(Qt::CTRL | Qt::Key_I);
-    connect(showFilterBar, SIGNAL(triggered(bool)), this, SLOT(toggleFilterBarVisibility(bool)));
+    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);

 
 

-    KAction* compareFiles = actionCollection()->addAction("compare_files");
+    QAction* compareFiles = actionCollection()->addAction(QStringLiteral("compare_files"));

     compareFiles->setText(i18nc("@action:inmenu Tools", "Compare Files"));
     compareFiles->setText(i18nc("@action:inmenu Tools", "Compare Files"));

-    compareFiles->setIcon(KIcon("kompare"));
+    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);

 
 

-    KAction* openTerminal = actionCollection()->addAction("open_terminal");
-    openTerminal->setText(i18nc("@action:inmenu Tools", "Open Terminal"));
-    openTerminal->setIcon(KIcon("utilities-terminal"));
-    openTerminal->setShortcut(Qt::SHIFT | Qt::Key_F4);
-    connect(openTerminal, SIGNAL(triggered()), this, SLOT(openTerminal()));
+#ifdef HAVE_TERMINAL
+    if (KAuthorized::authorize(QStringLiteral("shell_access"))) {
+        QAction* openTerminal = actionCollection()->addAction(QStringLiteral("open_terminal"));
+        openTerminal->setText(i18nc("@action:inmenu Tools", "Open Terminal"));
+        openTerminal->setIcon(QIcon::fromTheme(QStringLiteral("utilities-terminal")));
+        actionCollection()->setDefaultShortcut(openTerminal, Qt::SHIFT + Qt::Key_F4);
+        connect(openTerminal, &QAction::triggered, this, &DolphinMainWindow::openTerminal);
+    }
+#endif

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

-    m_showMenuBar = KStandardAction::showMenubar(this, SLOT(toggleShowMenuBar()), actionCollection());
-    KStandardAction::preferences(this, SLOT(editSettings()), actionCollection());
+    KToggleAction* showMenuBar = KStandardAction::showMenubar(nullptr, nullptr, actionCollection());
+    connect(showMenuBar, &KToggleAction::triggered,                   // Fixes #286822
+            this, &DolphinMainWindow::toggleShowMenuBar, Qt::QueuedConnection);
+    KStandardAction::preferences(this, &DolphinMainWindow::editSettings, actionCollection());

 
     // not in menu actions
 
     // not in menu actions

-    KAction* activateNextTab = actionCollection()->addAction("activate_next_tab");
+    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));
+
+    QAction* activateNextTab = actionCollection()->addAction(QStringLiteral("activate_next_tab"));
+    activateNextTab->setIconText(i18nc("@action:inmenu", "Next Tab"));

     activateNextTab->setText(i18nc("@action:inmenu", "Activate Next Tab"));
     activateNextTab->setText(i18nc("@action:inmenu", "Activate Next Tab"));

-    connect(activateNextTab, SIGNAL(triggered()), SLOT(activateNextTab()));
-    activateNextTab->setShortcuts(QApplication::isRightToLeft() ? KStandardShortcut::tabPrev() :
-                                                                  KStandardShortcut::tabNext());
+    activateNextTab->setEnabled(false);
+    connect(activateNextTab, &QAction::triggered, m_tabWidget, &DolphinTabWidget::activateNextTab);
+    actionCollection()->setDefaultShortcuts(activateNextTab, nextTabKeys);

 
 

-    KAction* activatePrevTab = actionCollection()->addAction("activate_prev_tab");
+    QAction* activatePrevTab = actionCollection()->addAction(QStringLiteral("activate_prev_tab"));
+    activatePrevTab->setIconText(i18nc("@action:inmenu", "Previous Tab"));

     activatePrevTab->setText(i18nc("@action:inmenu", "Activate Previous Tab"));
     activatePrevTab->setText(i18nc("@action:inmenu", "Activate Previous Tab"));

-    connect(activatePrevTab, SIGNAL(triggered()), SLOT(activatePrevTab()));
-    activatePrevTab->setShortcuts(QApplication::isRightToLeft() ? KStandardShortcut::tabNext() :
-                                                                  KStandardShortcut::tabPrev());
+    activatePrevTab->setEnabled(false);
+    connect(activatePrevTab, &QAction::triggered, m_tabWidget, &DolphinTabWidget::activatePrevTab);
+    actionCollection()->setDefaultShortcuts(activatePrevTab, prevTabKeys);

 
     // for context menu
 
     // for context menu

-    KAction* openInNewTab = actionCollection()->addAction("open_in_new_tab");
-    openInNewTab->setText(i18nc("@action:inmenu", "Open in New Tab"));
-    openInNewTab->setIcon(KIcon("tab-new"));
-    connect(openInNewTab, SIGNAL(triggered()), this, SLOT(openInNewTab()));
+    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);

 
 

-    KAction* openInNewWindow = actionCollection()->addAction("open_in_new_window");
-    openInNewWindow->setText(i18nc("@action:inmenu", "Open in New Window"));
-    openInNewWindow->setIcon(KIcon("window-new"));
-    connect(openInNewWindow, SIGNAL(triggered()), this, SLOT(openInNewWindow()));
+    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);

 
 

-    // 'Search' toolbar
-    m_searchBox = new DolphinSearchBox(this);
-    connect(m_searchBox, SIGNAL(search(QString)), this, SLOT(searchItems()));
+    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);

 
 

-    KAction* search = new KAction(this);
-    actionCollection()->addAction("search_bar", search);
-    search->setText(i18nc("@action:inmenu", "Search Bar"));
-    search->setDefaultWidget(m_searchBox);
-    search->setShortcutConfigurable(false);
+    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);

 }
 
 void DolphinMainWindow::setupDockWidgets()
 {
 }
 
 void DolphinMainWindow::setupDockWidgets()
 {

-    // setup "Information"
-    QDockWidget* infoDock = new QDockWidget(i18nc("@title:window", "Information"));
-    infoDock->setObjectName("infoDock");
+    const bool lock = GeneralSettings::lockPanels();
+
+    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->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);
     infoDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);

-    Panel* infoPanel = new InformationPanel(infoDock);
-    connect(infoPanel, SIGNAL(urlActivated(KUrl)), this, SLOT(handleUrl(KUrl)));
+
+#ifdef HAVE_BALOO
+    InformationPanel* infoPanel = new InformationPanel(infoDock);
+    infoPanel->setCustomContextMenuActions({lockLayoutAction});
+    connect(infoPanel, &InformationPanel::urlActivated, this, &DolphinMainWindow::handleUrl);

     infoDock->setWidget(infoPanel);
 
     infoDock->setWidget(infoPanel);
 

-    KAction* infoAction = new KAction(this);
-    infoAction->setText(i18nc("@title:window", "Information"));
-    infoAction->setShortcut(Qt::Key_F11);
-    infoAction->setIcon(KIcon("dialog-information"));
-    actionCollection()->addAction("show_info_panel", infoAction);
-    connect(infoAction, SIGNAL(triggered()), infoDock->toggleViewAction(), SLOT(trigger()));
+    QAction* infoAction = infoDock->toggleViewAction();
+    createPanelAction(QIcon::fromTheme(QStringLiteral("dialog-information")), Qt::Key_F11, infoAction, QStringLiteral("show_information_panel"));

 
     addDockWidget(Qt::RightDockWidgetArea, infoDock);
 
     addDockWidget(Qt::RightDockWidgetArea, infoDock);

-    connect(this, SIGNAL(urlChanged(KUrl)),
-            infoPanel, SLOT(setUrl(KUrl)));
-    connect(this, SIGNAL(selectionChanged(KFileItemList)),
-            infoPanel, SLOT(setSelection(KFileItemList)));
-    connect(this, SIGNAL(requestItemInfo(KFileItem)),
-            infoPanel, SLOT(requestDelayedItemInfo(KFileItem)));
-
-    // setup "Folders"
-    QDockWidget* foldersDock = new QDockWidget(i18nc("@title:window", "Folders"));
-    foldersDock->setObjectName("foldersDock");
+    connect(this, &DolphinMainWindow::urlChanged,
+            infoPanel, &InformationPanel::setUrl);
+    connect(this, &DolphinMainWindow::selectionChanged,
+            infoPanel, &InformationPanel::setSelection);
+    connect(this, &DolphinMainWindow::requestItemInfo,
+            infoPanel, &InformationPanel::requestDelayedItemInfo);
+#endif
+
+    // 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);
     foldersDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
     FoldersPanel* foldersPanel = new FoldersPanel(foldersDock);

+    foldersPanel->setCustomContextMenuActions({lockLayoutAction});

     foldersDock->setWidget(foldersPanel);
 
     foldersDock->setWidget(foldersPanel);
 

-    KAction* foldersAction = new KAction(this);
-    foldersAction->setText(i18nc("@title:window", "Folders"));
-    foldersAction->setShortcut(Qt::Key_F7);
-    foldersAction->setIcon(KIcon("folder"));
-    actionCollection()->addAction("show_folders_panel", foldersAction);
-    connect(foldersAction, SIGNAL(triggered()), foldersDock->toggleViewAction(), SLOT(trigger()));
+    QAction* foldersAction = foldersDock->toggleViewAction();
+    createPanelAction(QIcon::fromTheme(QStringLiteral("folder")), Qt::Key_F7, foldersAction, QStringLiteral("show_folders_panel"));

 
     addDockWidget(Qt::LeftDockWidgetArea, foldersDock);
 
     addDockWidget(Qt::LeftDockWidgetArea, foldersDock);

-    connect(this, SIGNAL(urlChanged(KUrl)),
-            foldersPanel, SLOT(setUrl(KUrl)));
-    connect(foldersPanel, SIGNAL(changeUrl(KUrl, Qt::MouseButtons)),
-            this, SLOT(handlePlacesClick(KUrl, Qt::MouseButtons)));
-
-    // setup "Terminal"
-#ifndef Q_OS_WIN
-    QDockWidget* terminalDock = new QDockWidget(i18nc("@title:window Shell terminal", "Terminal"));
-    terminalDock->setObjectName("terminalDock");
-    terminalDock->setAllowedAreas(Qt::TopDockWidgetArea | Qt::BottomDockWidgetArea);
-    Panel* terminalPanel = new TerminalPanel(terminalDock);
-    terminalDock->setWidget(terminalPanel);
-
-    connect(terminalPanel, SIGNAL(hideTerminalPanel()), terminalDock, SLOT(hide()));
-
-    KAction* terminalAction = new KAction(this);
-    terminalAction->setText(i18nc("@title:window Shell terminal", "Terminal"));
-    terminalAction->setShortcut(Qt::Key_F4);
-    terminalAction->setIcon(KIcon("utilities-terminal"));
-    actionCollection()->addAction("show_terminal_panel", terminalAction);
-    connect(terminalAction, SIGNAL(triggered()), terminalDock->toggleViewAction(), SLOT(trigger()));
-
-    addDockWidget(Qt::BottomDockWidgetArea, terminalDock);
-    connect(this, SIGNAL(urlChanged(KUrl)),
-            terminalPanel, SLOT(setUrl(KUrl)));
+    connect(this, &DolphinMainWindow::urlChanged,
+            foldersPanel, &FoldersPanel::setUrl);
+    connect(foldersPanel, &FoldersPanel::folderActivated,
+            this, &DolphinMainWindow::changeUrl);
+    connect(foldersPanel, &FoldersPanel::folderMiddleClicked,
+            this, &DolphinMainWindow::openNewTabAfterCurrentTab);
+    connect(foldersPanel, &FoldersPanel::errorMessage,
+            this, &DolphinMainWindow::showErrorMessage);
+
+    // Setup "Terminal"
+#ifdef 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"));
+        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);
+
+        QAction* terminalAction = terminalDock->toggleViewAction();
+        createPanelAction(QIcon::fromTheme(QStringLiteral("utilities-terminal")), Qt::Key_F4, terminalAction, QStringLiteral("show_terminal_panel"));
+
+        addDockWidget(Qt::BottomDockWidgetArea, terminalDock);
+        connect(this, &DolphinMainWindow::urlChanged,
+                m_terminalPanel, &TerminalPanel::setUrl);
+
+        if (GeneralSettings::version() < 200) {
+            terminalDock->hide();
+        }
+    }

 #endif
 
 #endif
 

-    const bool firstRun = DolphinSettings::instance().generalSettings()->firstRun();
-    if (firstRun) {
+    if (GeneralSettings::version() < 200) {
+        infoDock->hide();

         foldersDock->hide();
         foldersDock->hide();

-#ifndef Q_OS_WIN
-        terminalDock->hide();
-#endif

     }
 
     }
 

-    // setup "Places"
-    QDockWidget* placesDock = new QDockWidget(i18nc("@title:window", "Places"));
-    placesDock->setObjectName("placesDock");
+    // Setup "Places"
+    DolphinDockWidget* placesDock = new DolphinDockWidget(i18nc("@title:window", "Places"));
+    placesDock->setLocked(lock);
+    placesDock->setObjectName(QStringLiteral("placesDock"));

     placesDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
 
     placesDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
 

-    PlacesPanel* placesPanel = new PlacesPanel(placesDock);
-    placesDock->setWidget(placesPanel);
-    placesPanel->setModel(DolphinSettings::instance().placesModel());
-    placesPanel->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    m_placesPanel = new PlacesPanel(placesDock);
+    m_placesPanel->setCustomContextMenuActions({lockLayoutAction});
+    placesDock->setWidget(m_placesPanel);

 
 

-    KAction* placesAction = new KAction(this);
-    placesAction->setText(i18nc("@title:window", "Places"));
-    placesAction->setShortcut(Qt::Key_F9);
-    placesAction->setIcon(KIcon("bookmarks"));
-    actionCollection()->addAction("show_places_panel", placesAction);
-    connect(placesAction, SIGNAL(triggered()), placesDock->toggleViewAction(), SLOT(trigger()));
+    QAction *placesAction = placesDock->toggleViewAction();
+    createPanelAction(QIcon::fromTheme(QStringLiteral("bookmarks")), Qt::Key_F9, placesAction, QStringLiteral("show_places_panel"));

 
     addDockWidget(Qt::LeftDockWidgetArea, placesDock);
 
     addDockWidget(Qt::LeftDockWidgetArea, placesDock);

-    connect(placesPanel, SIGNAL(urlChanged(KUrl, Qt::MouseButtons)),
-            this, SLOT(handlePlacesClick(KUrl, Qt::MouseButtons)));
-    connect(this, SIGNAL(urlChanged(KUrl)),
-            placesPanel, SLOT(setUrl(KUrl)));
+    connect(m_placesPanel, &PlacesPanel::placeActivated,
+            this, &DolphinMainWindow::slotPlaceActivated);
+    connect(m_placesPanel, &PlacesPanel::placeMiddleClicked,
+            this, &DolphinMainWindow::openNewTabAfterCurrentTab);
+    connect(m_placesPanel, &PlacesPanel::errorMessage,
+            this, &DolphinMainWindow::showErrorMessage);
+    connect(this, &DolphinMainWindow::urlChanged,
+            m_placesPanel, &PlacesPanel::setUrl);
+    connect(placesDock, &DolphinDockWidget::visibilityChanged,
+            m_tabWidget, &DolphinTabWidget::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);
+    m_tabWidget->slotPlacesPanelVisibilityChanged(m_placesPanel->isVisible());
+
+    auto actionShowAllPlaces = new QAction(QIcon::fromTheme(QStringLiteral("hint")), i18nc("@item:inmenu", "Show Hidden Places"), this);
+    actionShowAllPlaces->setCheckable(true);
+    actionShowAllPlaces->setDisabled(true);
+
+    connect(actionShowAllPlaces, &QAction::triggered, this, [actionShowAllPlaces, this](bool checked){
+        actionShowAllPlaces->setIcon(QIcon::fromTheme(checked ? QStringLiteral("visibility") : QStringLiteral("hint")));
+        m_placesPanel->showHiddenEntries(checked);
+    });
+
+    connect(m_placesPanel, &PlacesPanel::showHiddenEntriesChanged, this, [actionShowAllPlaces] (bool checked){
+        actionShowAllPlaces->setChecked(checked);
+        actionShowAllPlaces->setIcon(QIcon::fromTheme(checked ? QStringLiteral("visibility") : QStringLiteral("hint")));
+   });
+
+    // Add actions into the "Panels" menu
+    KActionMenu* panelsMenu = new KActionMenu(i18nc("@action:inmenu View", "Panels"), this);
+    actionCollection()->addAction(QStringLiteral("panels"), panelsMenu);
+    panelsMenu->setDelayed(false);
+    const KActionCollection* ac = actionCollection();
+    panelsMenu->addAction(ac->action(QStringLiteral("show_places_panel")));
+#ifdef 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(actionShowAllPlaces);
+    panelsMenu->addAction(lockLayoutAction);
+
+    connect(panelsMenu->menu(), &QMenu::aboutToShow, this, [actionShowAllPlaces, this]{
+        actionShowAllPlaces->setEnabled(m_placesPanel->hiddenListCount());
+    });

 }
 
 void DolphinMainWindow::updateEditActions()
 {
     const KFileItemList list = m_activeViewContainer->view()->selectedItems();
     if (list.isEmpty()) {
 }
 
 void DolphinMainWindow::updateEditActions()
 {
     const KFileItemList list = m_activeViewContainer->view()->selectedItems();
     if (list.isEmpty()) {

-        stateChanged("has_no_selection");
+        stateChanged(QStringLiteral("has_no_selection"));

     } else {
     } else {

-        stateChanged("has_selection");
+        stateChanged(QStringLiteral("has_selection"));

 
         KActionCollection* col = actionCollection();
 
         KActionCollection* col = actionCollection();

-        QAction* renameAction      = col->action("rename");
-        QAction* moveToTrashAction = col->action("move_to_trash");
-        QAction* deleteAction      = col->action("delete");
-        QAction* cutAction         = col->action(KStandardAction::name(KStandardAction::Cut));
-        QAction* deleteWithTrashShortcut = col->action("delete_shortcut"); // see DolphinViewActionHandler
+        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* deleteWithTrashShortcut = col->action(QStringLiteral("delete_shortcut")); // see DolphinViewActionHandler
+        QAction* showTarget              = col->action(QStringLiteral("show_target"));

 
         KFileItemListProperties capabilities(list);
         const bool enableMoveToTrash = capabilities.isLocal() && capabilities.supportsMoving();
 
         KFileItemListProperties capabilities(list);
         const bool enableMoveToTrash = capabilities.isLocal() && capabilities.supportsMoving();


@@ -1617,20 +1466,20 @@ void DolphinMainWindow::updateEditActions()
         deleteAction->setEnabled(capabilities.supportsDeleting());
         deleteWithTrashShortcut->setEnabled(capabilities.supportsDeleting() && !enableMoveToTrash);
         cutAction->setEnabled(capabilities.supportsMoving());
         deleteAction->setEnabled(capabilities.supportsDeleting());
         deleteWithTrashShortcut->setEnabled(capabilities.supportsDeleting() && !enableMoveToTrash);
         cutAction->setEnabled(capabilities.supportsMoving());

+        showTarget->setEnabled(list.length() == 1 && list.at(0).isLink());

     }
     }

-    updatePasteAction();

 }
 
 void DolphinMainWindow::updateViewActions()
 {
     m_actionHandler->updateViewActions();
 
 }
 
 void DolphinMainWindow::updateViewActions()
 {
     m_actionHandler->updateViewActions();
 

-    QAction* showFilterBarAction = actionCollection()->action("show_filter_bar");
+    QAction* showFilterBarAction = actionCollection()->action(QStringLiteral("show_filter_bar"));

     showFilterBarAction->setChecked(m_activeViewContainer->isFilterBarVisible());
 
     updateSplitAction();
 
     showFilterBarAction->setChecked(m_activeViewContainer->isFilterBarVisible());
 
     updateSplitAction();
 

-    QAction* editableLocactionAction = actionCollection()->action("editable_location");
+    QAction* editableLocactionAction = actionCollection()->action(QStringLiteral("editable_location"));

     const KUrlNavigator* urlNavigator = m_activeViewContainer->urlNavigator();
     editableLocactionAction->setChecked(urlNavigator->isUrlEditable());
 }
     const KUrlNavigator* urlNavigator = m_activeViewContainer->urlNavigator();
     editableLocactionAction->setChecked(urlNavigator->isUrlEditable());
 }


@@ -1638,121 +1487,150 @@ void DolphinMainWindow::updateViewActions()
 void DolphinMainWindow::updateGoActions()
 {
     QAction* goUpAction = actionCollection()->action(KStandardAction::name(KStandardAction::Up));
 void DolphinMainWindow::updateGoActions()
 {
     QAction* goUpAction = actionCollection()->action(KStandardAction::name(KStandardAction::Up));

-    const KUrl& currentUrl = m_activeViewContainer->url();
-    goUpAction->setEnabled(currentUrl.upUrl() != currentUrl);
+    const QUrl currentUrl = m_activeViewContainer->url();
+    goUpAction->setEnabled(KIO::upUrl(currentUrl) != currentUrl);

 }
 
 }
 

-void DolphinMainWindow::rememberClosedTab(int index)
+void DolphinMainWindow::createControlButton()

 {
 {

-    KMenu* tabsMenu = m_recentTabsMenu->menu();
+    if (m_controlButton) {
+        return;
+    }
+    Q_ASSERT(!m_controlButton);

 
 

-    const QString primaryPath = m_viewTab[index].primaryView->url().path();
-    const QString iconName = KMimeType::iconNameForUrl(primaryPath);
+    m_controlButton = new QToolButton(this);
+    m_controlButton->setIcon(QIcon::fromTheme(QStringLiteral("application-menu")));
+    m_controlButton->setText(i18nc("@action", "Control"));
+    m_controlButton->setPopupMode(QToolButton::InstantPopup);
+    m_controlButton->setToolButtonStyle(toolBar()->toolButtonStyle());

 
 

-    QAction* action = new QAction(squeezedText(primaryPath), tabsMenu);
+    QMenu* controlMenu = new QMenu(m_controlButton);
+    connect(controlMenu, &QMenu::aboutToShow, this, &DolphinMainWindow::updateControlMenu);

 
 

-    ClosedTab closedTab;
-    closedTab.primaryUrl = m_viewTab[index].primaryView->url();
+    m_controlButton->setMenu(controlMenu);

 
 

-    if (m_viewTab[index].secondaryView != 0) {
-        closedTab.secondaryUrl = m_viewTab[index].secondaryView->url();
-        closedTab.isSplit = true;
-    } else {
-        closedTab.isSplit = false;
-    }
+    toolBar()->addWidget(m_controlButton);
+    connect(toolBar(), &KToolBar::iconSizeChanged,
+            m_controlButton, &QToolButton::setIconSize);
+    connect(toolBar(), &KToolBar::toolButtonStyleChanged,
+            m_controlButton, &QToolButton::setToolButtonStyle);
+
+    // The added widgets are owned by the toolbar and may get deleted when e.g. the toolbar
+    // gets edited. In this case we must add them again. The adding is done asynchronously by
+    // m_updateToolBarTimer.
+    connect(m_controlButton, &QToolButton::destroyed, this, &DolphinMainWindow::slotControlButtonDeleted);
+    m_updateToolBarTimer = new QTimer(this);
+    m_updateToolBarTimer->setInterval(500);
+    connect(m_updateToolBarTimer, &QTimer::timeout, this, &DolphinMainWindow::updateToolBar);
+}

 
 

-    action->setData(QVariant::fromValue(closedTab));
-    action->setIcon(KIcon(iconName));
+void DolphinMainWindow::deleteControlButton()
+{
+    delete m_controlButton;
+    m_controlButton = nullptr;

 
 

-    // add the closed tab menu entry after the separator and
-    // "Empty Recently Closed Tabs" entry
-    if (tabsMenu->actions().size() == 2) {
-        tabsMenu->addAction(action);
-    } else {
-        tabsMenu->insertAction(tabsMenu->actions().at(2), action);
+    delete m_updateToolBarTimer;
+    m_updateToolBarTimer = nullptr;
+}
+
+bool DolphinMainWindow::addActionToMenu(QAction* action, QMenu* menu)
+{
+    Q_ASSERT(action);
+    Q_ASSERT(menu);
+
+    const KToolBar* toolBarWidget = toolBar();
+    foreach (const QWidget* widget, action->associatedWidgets()) {
+        if (widget == toolBarWidget) {
+            return false;
+        }

     }
 
     }
 

-    // assure that only up to 8 closed tabs are shown in the menu
-    if (tabsMenu->actions().size() > 8) {
-        tabsMenu->removeAction(tabsMenu->actions().last());
+    menu->addAction(action);
+    return true;
+}
+
+void DolphinMainWindow::refreshViews()
+{
+    m_tabWidget->refreshViews();
+
+    if (GeneralSettings::modifiedStartupSettings()) {
+        // The startup settings have been changed by the user (see bug #254947).
+        // Synchronize the split-view setting with the active view:
+        const bool splitView = GeneralSettings::splitView();
+        m_tabWidget->currentTabPage()->setSplitViewEnabled(splitView);
+        updateSplitAction();
+        updateWindowTitle();

     }
     }

-    actionCollection()->action("closed_tabs")->setEnabled(true);
-    KAcceleratorManager::manage(tabsMenu);
+
+    emit settingsChanged();

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

-    m_activeViewContainer->statusBar()->clear();
+    m_activeViewContainer->statusBar()->resetToDefaultText();

 }
 
 void DolphinMainWindow::connectViewSignals(DolphinViewContainer* container)
 {
 }
 
 void DolphinMainWindow::connectViewSignals(DolphinViewContainer* container)
 {

-    connect(container, SIGNAL(showFilterBarChanged(bool)),
-            this, SLOT(updateFilterBarAction(bool)));
-    connect(container, SIGNAL(writeStateChanged(bool)),
-            this, SLOT(slotWriteStateChanged(bool)));
-
-    DolphinView* view = container->view();
-    connect(view, SIGNAL(selectionChanged(KFileItemList)),
-            this, SLOT(slotSelectionChanged(KFileItemList)));
-    connect(view, SIGNAL(requestItemInfo(KFileItem)),
-            this, SLOT(slotRequestItemInfo(KFileItem)));
-    connect(view, SIGNAL(activated()),
-            this, SLOT(toggleActiveView()));
-    connect(view, SIGNAL(tabRequested(const KUrl&)),
-            this, SLOT(openNewTab(const KUrl&)));
-    connect(view, SIGNAL(requestContextMenu(KFileItem, const KUrl&, const QList<QAction*>&)),
-            this, SLOT(openContextMenu(KFileItem, const KUrl&, const QList<QAction*>&)));
+    connect(container, &DolphinViewContainer::showFilterBarChanged,
+            this, &DolphinMainWindow::updateFilterBarAction);
+    connect(container, &DolphinViewContainer::writeStateChanged,
+            this, &DolphinMainWindow::slotWriteStateChanged);
+
+    const DolphinView* view = container->view();
+    connect(view, &DolphinView::selectionChanged,
+            this, &DolphinMainWindow::slotSelectionChanged);
+    connect(view, &DolphinView::requestItemInfo,
+            this, &DolphinMainWindow::requestItemInfo);
+    connect(view, &DolphinView::tabRequested,
+            this, &DolphinMainWindow::openNewTab);
+    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, static_cast<void(DolphinMainWindow::*)()>(&DolphinMainWindow::goBack));
+    connect(view, &DolphinView::goForwardRequested,
+            this, static_cast<void(DolphinMainWindow::*)()>(&DolphinMainWindow::goForward));
+    connect(view, &DolphinView::urlActivated,
+            this, &DolphinMainWindow::handleUrl);

 
     const KUrlNavigator* navigator = container->urlNavigator();
 
     const KUrlNavigator* navigator = container->urlNavigator();

-    connect(navigator, SIGNAL(urlChanged(const KUrl&)),
-            this, SLOT(changeUrl(const KUrl&)));
-    connect(navigator, SIGNAL(historyChanged()),
-            this, SLOT(updateHistory()));
-    connect(navigator, SIGNAL(editableStateChanged(bool)),
-            this, SLOT(slotEditableStateChanged(bool)));
-    connect(navigator, SIGNAL(tabRequested(const KUrl&)),
-            this, SLOT(openNewTab(KUrl)));
+    connect(navigator, &KUrlNavigator::urlChanged,
+            this, &DolphinMainWindow::changeUrl);
+    connect(navigator, &KUrlNavigator::historyChanged,
+            this, &DolphinMainWindow::updateHistory);
+    connect(navigator, &KUrlNavigator::editableStateChanged,
+            this, &DolphinMainWindow::slotEditableStateChanged);
+    connect(navigator, &KUrlNavigator::tabRequested,
+            this, &DolphinMainWindow::openNewTabAfterLastTab);

 }
 
 void DolphinMainWindow::updateSplitAction()
 {
 }
 
 void DolphinMainWindow::updateSplitAction()
 {

-    QAction* splitAction = actionCollection()->action("split_view");
-    if (m_viewTab[m_tabIndex].secondaryView != 0) {
-        if (m_activeViewContainer == m_viewTab[m_tabIndex].secondaryView) {
-            splitAction->setText(i18nc("@action:intoolbar Close right view", "Close"));
-            splitAction->setToolTip(i18nc("@info", "Close right view"));
-            splitAction->setIcon(KIcon("view-right-close"));
-        } else {
+    QAction* splitAction = actionCollection()->action(QStringLiteral("split_view"));
+    const DolphinTabPage* tabPage = m_tabWidget->currentTabPage();
+    if (tabPage->splitViewEnabled()) {
+        if (GeneralSettings::closeActiveSplitView() ? tabPage->primaryViewActive() : !tabPage->primaryViewActive()) {

             splitAction->setText(i18nc("@action:intoolbar Close left view", "Close"));
             splitAction->setToolTip(i18nc("@info", "Close left view"));
             splitAction->setText(i18nc("@action:intoolbar Close left view", "Close"));
             splitAction->setToolTip(i18nc("@info", "Close left view"));

-            splitAction->setIcon(KIcon("view-left-close"));
+            splitAction->setIcon(QIcon::fromTheme(QStringLiteral("view-left-close")));
+        } else {
+            splitAction->setText(i18nc("@action:intoolbar Close right view", "Close"));
+            splitAction->setToolTip(i18nc("@info", "Close right view"));
+            splitAction->setIcon(QIcon::fromTheme(QStringLiteral("view-right-close")));

         }
     } else {
         splitAction->setText(i18nc("@action:intoolbar Split view", "Split"));
         splitAction->setToolTip(i18nc("@info", "Split view"));
         }
     } else {
         splitAction->setText(i18nc("@action:intoolbar Split view", "Split"));
         splitAction->setToolTip(i18nc("@info", "Split view"));

-        splitAction->setIcon(KIcon("view-right-new"));
+        splitAction->setIcon(QIcon::fromTheme(QStringLiteral("view-right-new")));

     }
 }
 
     }
 }
 

-QString DolphinMainWindow::tabName(const KUrl& url) const
-{
-    QString name;
-    if (url.equals(KUrl("file:///"))) {
-        name = '/';
-    } else {
-        name = url.fileName();
-        if (name.isEmpty()) {
-            name = url.protocol();
-        } else {
-            // Make sure that a '&' inside the directory name is displayed correctly
-            // and not misinterpreted as a keyboard shortcut in QTabBar::setTabText()
-            name.replace('&', "&&");
-        }
-    }
-    return name;
-}
-

 bool DolphinMainWindow::isKompareInstalled() const
 {
     static bool initialized = false;
 bool DolphinMainWindow::isKompareInstalled() const
 {
     static bool initialized = false;


@@ -1760,60 +1638,26 @@ bool DolphinMainWindow::isKompareInstalled() const
     if (!initialized) {
         // TODO: maybe replace this approach later by using a menu
         // plugin like kdiff3plugin.cpp
     if (!initialized) {
         // TODO: maybe replace this approach later by using a menu
         // plugin like kdiff3plugin.cpp

-        installed = !KGlobal::dirs()->findExe("kompare").isEmpty();
+        installed = !QStandardPaths::findExecutable(QStringLiteral("kompare")).isEmpty();

         initialized = true;
     }
     return installed;
 }
 
         initialized = true;
     }
     return installed;
 }
 

-void DolphinMainWindow::createSecondaryView(int tabIndex)
-{
-    QSplitter* splitter = m_viewTab[tabIndex].splitter;
-    const int newWidth = (m_viewTab[tabIndex].primaryView->width() - splitter->handleWidth()) / 2;
-
-    const DolphinView* view = m_viewTab[tabIndex].primaryView->view();
-    m_viewTab[tabIndex].secondaryView = new DolphinViewContainer(view->rootUrl(), 0);
-    splitter->addWidget(m_viewTab[tabIndex].secondaryView);
-    splitter->setSizes(QList<int>() << newWidth << newWidth);
-    connectViewSignals(m_viewTab[tabIndex].secondaryView);
-    m_viewTab[tabIndex].secondaryView->view()->reload();
-    m_viewTab[tabIndex].secondaryView->setActive(false);
-    m_viewTab[tabIndex].secondaryView->show();
-}
-
-QString DolphinMainWindow::tabProperty(const QString& property, int tabIndex) const
+void DolphinMainWindow::createPanelAction(const QIcon& icon,
+                                          const QKeySequence& shortcut,
+                                          QAction* dockAction,
+                                          const QString& actionName)

 {
 {

-    return "Tab " + QString::number(tabIndex) + ' ' + property;
-}
+    QAction* panelAction = actionCollection()->addAction(actionName);
+    panelAction->setCheckable(true);
+    panelAction->setChecked(dockAction->isChecked());
+    panelAction->setText(dockAction->text());
+    panelAction->setIcon(icon);
+    actionCollection()->setDefaultShortcut(panelAction, shortcut);

 
 

-void DolphinMainWindow::setUrlAsCaption(const KUrl& url)
-{
-    delete m_captionStatJob;
-    m_captionStatJob = 0;
-
-    if (url.protocol() == QLatin1String("file")) {
-        QString caption;
-        if (url.equals(KUrl("file:///"))) {
-            caption = '/';
-        } else {
-            caption = url.fileName();
-            if (caption.isEmpty()) {
-                caption = url.protocol();
-            }
-        }
-
-        setCaption(caption);
-    } else {
-        m_captionStatJob = KIO::stat(url, KIO::HideProgressInfo);
-        connect(m_captionStatJob, SIGNAL(result(KJob*)),
-                this, SLOT(slotCaptionStatFinished(KJob*)));
-    }
-}
-
-QString DolphinMainWindow::squeezedText(const QString& text) const
-{
-    const QFontMetrics fm = fontMetrics();
-    return fm.elidedText(text, Qt::ElideMiddle, fm.maxWidth() * 10);
+    connect(panelAction, &QAction::triggered, dockAction, &QAction::trigger);
+    connect(dockAction, &QAction::toggled, panelAction, &QAction::setChecked);

 }
 
 DolphinMainWindow::UndoUiInterface::UndoUiInterface() :
 }
 
 DolphinMainWindow::UndoUiInterface::UndoUiInterface() :


@@ -1829,11 +1673,10 @@ void DolphinMainWindow::UndoUiInterface::jobError(KIO::Job* job)
 {
     DolphinMainWindow* mainWin= qobject_cast<DolphinMainWindow *>(parentWidget());
     if (mainWin) {
 {
     DolphinMainWindow* mainWin= qobject_cast<DolphinMainWindow *>(parentWidget());
     if (mainWin) {

-        DolphinStatusBar* statusBar = mainWin->activeViewContainer()->statusBar();
-        statusBar->setMessage(job->errorString(), DolphinStatusBar::Error);
+        DolphinViewContainer* container = mainWin->activeViewContainer();
+        container->showMessage(job->errorString(), DolphinViewContainer::Error);

     } else {
         KIO::FileUndoManager::UiInterface::jobError(job);
     }
 }
 
     } else {
         KIO::FileUndoManager::UiInterface::jobError(job);
     }
 }
 

-#include "dolphinmainwindow.moc"