X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/2b75a555caa81a992a289a13119dca5cce79d4cc..037d5db85bb0bd798d40c557d424c5c9b87457a8:/src/dolphinmainwindow.cpp

diff --git a/src/dolphinmainwindow.cpp b/src/dolphinmainwindow.cpp
index fce99bb58..df04cee69 100644
--- a/src/dolphinmainwindow.cpp
+++ b/src/dolphinmainwindow.cpp
@@ -26,7 +26,7 @@
 #include "dolphincontextmenu.h"
 #include "dolphinnewfilemenu.h"
 #include "dolphinrecenttabsmenu.h"
-#include "dolphintabbar.h"
+#include "dolphintabwidget.h"
 #include "dolphinviewcontainer.h"
 #include "dolphintabpage.h"
 #include "panels/folders/folderspanel.h"
@@ -46,50 +46,38 @@
 
 #include "dolphin_generalsettings.h"
 
-#include <KAcceleratorManager>
-#include <KAction>
 #include <KActionCollection>
 #include <KActionMenu>
 #include <KConfig>
-#include <KDesktopFile>
 #include <kdeversion.h>
 #include <kdualaction.h>
-#include <KFileDialog>
-#include <KGlobal>
 #include <KDialog>
 #include <KJobWidgets>
 #include <KLineEdit>
 #include <KToolBar>
-#include <KIconLoader>
 #include <KIO/NetAccess>
 #include <KIO/JobUiDelegate>
-#include <KInputDialog>
-#include <KLocale>
+#include <KLocalizedString>
 #include <KProtocolManager>
-#include <KMenu>
-#include <KMenuBar>
+#include <QMenu>
 #include <KMessageBox>
 #include <KFileItemListProperties>
-#include <konqmimedata.h>
-#include <KProtocolInfo>
 #include <KRun>
 #include <KShell>
-#include <KStandardDirs>
-#include <kstatusbar.h>
 #include <KStandardAction>
 #include <KToggleAction>
 #include <KUrlNavigator>
-#include <KUrlComboBox>
 #include <KToolInvocation>
+#include <KUrlComboBox>
 
-#include <QDesktopWidget>
-#include <QDBusMessage>
-#include <QKeyEvent>
+#include <QMenuBar>
 #include <QClipboard>
 #include <QToolButton>
-#include <QSplitter>
 #include <QTimer>
+#include <QStandardPaths>
 #include <QPushButton>
+#include <QCloseEvent>
+#include <QShowEvent>
 
 namespace {
     // Used for GeneralSettings::version() to determine whether
@@ -100,11 +88,8 @@ namespace {
 DolphinMainWindow::DolphinMainWindow() :
     KXmlGuiWindow(0),
     m_newFileMenu(0),
-    m_tabBar(0),
+    m_tabWidget(0),
     m_activeViewContainer(0),
-    m_centralWidgetLayout(0),
-    m_tabIndex(-1),
-    m_viewTab(),
     m_actionHandler(0),
     m_remoteEncoding(0),
     m_settingsDialog(),
@@ -137,6 +122,15 @@ DolphinMainWindow::DolphinMainWindow() :
 
     setAcceptDrops(true);
 
+    m_tabWidget = new DolphinTabWidget(this);
+    connect(m_tabWidget, SIGNAL(activeViewChanged(DolphinViewContainer*)),
+            this, SLOT(activeViewChanged(DolphinViewContainer*)));
+    connect(m_tabWidget, SIGNAL(tabCountChanged(int)),
+            this, SLOT(tabCountChanged(int)));
+    connect(m_tabWidget, SIGNAL(currentUrlChanged(QUrl)),
+            this, SLOT(setUrlAsCaption(QUrl)));
+    setCentralWidget(m_tabWidget);
+
     setupActions();
 
     m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
@@ -147,30 +141,6 @@ DolphinMainWindow::DolphinMainWindow() :
     connect(this, &DolphinMainWindow::urlChanged,
             m_remoteEncoding, &DolphinRemoteEncoding::slotAboutToOpenUrl);
 
-    m_tabBar = new DolphinTabBar(this);
-    connect(m_tabBar, SIGNAL(currentChanged(int)),
-            this, SLOT(setActiveTab(int)));
-    connect(m_tabBar, SIGNAL(tabCloseRequested(int)),
-            this, SLOT(closeTab(int)));
-    connect(m_tabBar, SIGNAL(openNewActivatedTab(int)),
-            this, SLOT(openNewActivatedTab(int)));
-    connect(m_tabBar, SIGNAL(tabMoved(int,int)),
-            this, SLOT(slotTabMoved(int,int)));
-    connect(m_tabBar, SIGNAL(tabDropEvent(int,QDropEvent*)),
-            this, SLOT(tabDropEvent(int,QDropEvent*)));
-    connect(m_tabBar, SIGNAL(tabDetachRequested(int)),
-            this, SLOT(detachTab(int)));
-
-    m_tabBar->blockSignals(true);  // signals get unblocked after at least 2 tabs are open
-    m_tabBar->hide();
-
-    QWidget* centralWidget = new QWidget(this);
-    m_centralWidgetLayout = new QVBoxLayout(centralWidget);
-    m_centralWidgetLayout->setSpacing(0);
-    m_centralWidgetLayout->setMargin(0);
-    m_centralWidgetLayout->addWidget(m_tabBar);
-
-    setCentralWidget(centralWidget);
     setupDockWidgets();
 
     setupGUI(Keys | Save | Create | ToolBar);
@@ -201,50 +171,14 @@ DolphinMainWindow::~DolphinMainWindow()
 {
 }
 
-void DolphinMainWindow::openDirectories(const QList<KUrl>& dirs)
+void DolphinMainWindow::openDirectories(const QList<QUrl>& dirs)
 {
-    const bool hasSplitView = GeneralSettings::splitView();
-
-    // 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.constBegin();
-    while (it != dirs.constEnd()) {
-        const KUrl& primaryUrl = *(it++);
-        if (hasSplitView && (it != dirs.constEnd())) {
-            const KUrl& secondaryUrl = *(it++);
-            openNewTab(primaryUrl, secondaryUrl);
-        } else {
-            openNewTab(primaryUrl);
-        }
-    }
+    m_tabWidget->openDirectories(dirs);
 }
 
-void DolphinMainWindow::openFiles(const QList<KUrl>& files)
+void DolphinMainWindow::openFiles(const QList<QUrl>& files)
 {
-    if (files.isEmpty()) {
-        return;
-    }
-
-    // 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);
-        }
-    }
-
-    openDirectories(dirs);
-
-    // 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.
-    foreach (DolphinTabPage* tabPage, m_viewTab) {
-        tabPage->markUrlsAsSelected(files);
-        tabPage->markUrlAsCurrent(files.first());
-    }
+    m_tabWidget->openFiles(files);
 }
 
 void DolphinMainWindow::showCommand(CommandType command)
@@ -281,7 +215,7 @@ 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
@@ -290,24 +224,16 @@ void DolphinMainWindow::changeUrl(const KUrl& url)
         return;
     }
 
-    DolphinViewContainer* view = activeViewContainer();
-    if (view) {
-        view->setUrl(url);
-        updateEditActions();
-        updatePasteAction();
-        updateViewActions();
-        updateGoActions();
-        setUrlAsCaption(url);
-
-        const QString iconName = KIO::iconNameForUrl(url);
-        m_tabBar->setTabIcon(m_tabIndex, QIcon::fromTheme(iconName));
-        m_tabBar->setTabText(m_tabIndex, squeezedText(tabName(view->url())));
-
-        emit urlChanged(url);
-    }
+    m_activeViewContainer->setUrl(url);
+    updateEditActions();
+    updatePasteAction();
+    updateViewActions();
+    updateGoActions();
+
+    emit urlChanged(url);
 }
 
-void DolphinMainWindow::slotTerminalDirectoryChanged(const KUrl& url)
+void DolphinMainWindow::slotTerminalDirectoryChanged(const QUrl& url)
 {
     m_activeViewContainer->setAutoGrabFocus(false);
     changeUrl(url);
@@ -325,7 +251,7 @@ void DolphinMainWindow::slotSelectionChanged(const KFileItemList& selection)
 {
     updateEditActions();
 
-    const int selectedUrlsCount = m_viewTab.at(m_tabIndex)->selectedItemsCount();
+    const int selectedUrlsCount = m_tabWidget->currentTabPage()->selectedItemsCount();
 
     QAction* compareFilesAction = actionCollection()->action("compare_files");
     if (selectedUrlsCount == 2) {
@@ -368,102 +294,22 @@ void DolphinMainWindow::updateFilterBarAction(bool show)
 
 void DolphinMainWindow::openNewMainWindow()
 {
-    KRun::run("dolphin %u", KUrl::List(), this);
+    KRun::run("dolphin %u", QList<QUrl>(), this);
 }
 
-void DolphinMainWindow::openNewTab()
+void DolphinMainWindow::openNewActivatedTab()
 {
-    const bool isUrlEditable =  m_activeViewContainer->urlNavigator()->isUrlEditable();
-
-    openNewTab(m_activeViewContainer->url());
-    m_tabBar->setCurrentIndex(m_viewTab.count() - 1);
-
-    // The URL navigator of the new tab should have the same editable state
-    // as the current tab
-    KUrlNavigator* navigator = m_activeViewContainer->urlNavigator();
-    navigator->setUrlEditable(isUrlEditable);
-
-    if (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();
-    }
-}
-
-void DolphinMainWindow::openNewTab(const KUrl& primaryUrl, const KUrl& secondaryUrl)
-{
-    QWidget* focusWidget = QApplication::focusWidget();
-
-    DolphinTabPage* tabPage = new DolphinTabPage(primaryUrl, secondaryUrl, this);
-    m_viewTab.append(tabPage);
-
-    connect(tabPage, SIGNAL(activeViewChanged()),
-            this, SLOT(activeViewChanged()));
-
-    // The places-selector from the URL navigator should only be shown
-    // if the places dock is invisible
-    QDockWidget* placesDock = findChild<QDockWidget*>("placesDock");
-    const bool placesSelectorVisible = !placesDock || !placesDock->isVisible();
-    tabPage->setPlacesSelectorVisible(placesSelectorVisible);
-
-    DolphinViewContainer* primaryContainer = tabPage->primaryViewContainer();
-    connectViewSignals(primaryContainer);
-
-    if (tabPage->splitViewEnabled()) {
-        DolphinViewContainer* secondaryContainer = tabPage->secondaryViewContainer();
-        connectViewSignals(secondaryContainer);
-    }
-
-    tabPage->hide();
-
-    m_tabBar->addTab(QIcon::fromTheme(KIO::iconNameForUrl(primaryUrl)),
-                     squeezedText(tabName(primaryUrl)));
-
-    if (m_viewTab.count() > 1) {
-        actionCollection()->action("close_tab")->setEnabled(true);
-        actionCollection()->action("activate_prev_tab")->setEnabled(true);
-        actionCollection()->action("activate_next_tab")->setEnabled(true);
-        m_tabBar->show();
-        m_tabBar->blockSignals(false);
-    }
-
-    if (focusWidget) {
-        // 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->openNewActivatedTab();
 }
 
-void DolphinMainWindow::openNewActivatedTab(const KUrl& primaryUrl, const KUrl& secondaryUrl)
+void DolphinMainWindow::openNewTab(const QUrl& url)
 {
-    openNewTab(primaryUrl, secondaryUrl);
-    setActiveTab(m_viewTab.count() - 1);
+    m_tabWidget->openNewTab(url);
 }
 
-void DolphinMainWindow::openNewActivatedTab(int index)
+void DolphinMainWindow::openNewActivatedTab(const QUrl& url)
 {
-    Q_ASSERT(index >= 0);
-    const DolphinTabPage* tabPage = m_viewTab.at(index);
-    openNewActivatedTab(tabPage->activeViewContainer()->url());
-}
-
-void DolphinMainWindow::activateNextTab()
-{
-    if (m_viewTab.count() >= 2) {
-        const int tabIndex = (m_tabBar->currentIndex() + 1) % m_tabBar->count();
-        setActiveTab(tabIndex);
-    }
-}
-
-void DolphinMainWindow::activatePrevTab()
-{
-    if (m_viewTab.count() >= 2) {
-        int tabIndex = m_tabBar->currentIndex() - 1;
-        if (tabIndex == -1) {
-            tabIndex = m_tabBar->count() - 1;
-        }
-        setActiveTab(tabIndex);
-    }
+    m_tabWidget->openNewActivatedTab(url);
 }
 
 void DolphinMainWindow::openInNewTab()
@@ -473,7 +319,7 @@ void DolphinMainWindow::openInNewTab()
         openNewTab(m_activeViewContainer->url());
     } else {
         foreach (const KFileItem& item, list) {
-            const KUrl& url = DolphinView::openItemAsFolderUrl(item);
+            const QUrl& url = DolphinView::openItemAsFolderUrl(item);
             if (!url.isEmpty()) {
                 openNewTab(url);
             }
@@ -483,7 +329,7 @@ void DolphinMainWindow::openInNewTab()
 
 void DolphinMainWindow::openInNewWindow()
 {
-    KUrl newWindowUrl;
+    QUrl newWindowUrl;
 
     const KFileItemList list = m_activeViewContainer->view()->selectedItems();
     if (list.isEmpty()) {
@@ -502,12 +348,6 @@ void DolphinMainWindow::showEvent(QShowEvent* event)
 {
     KXmlGuiWindow::showEvent(event);
 
-    if (!m_activeViewContainer && m_viewTab.count() > 0) {
-        // If we have no active view container yet, we set the primary view container
-        // of the first tab as active view container.
-        setActiveTab(0);
-    }
-
     if (!event->spontaneous()) {
         m_activeViewContainer->view()->setFocus();
     }
@@ -523,7 +363,7 @@ void DolphinMainWindow::closeEvent(QCloseEvent* event)
         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:
         // KDialog::Yes    -> Quit
@@ -559,7 +399,7 @@ void DolphinMainWindow::closeEvent(QCloseEvent* event)
                 break;
             case QDialogButtonBox::No:
                 // Close only the current tab
-                closeTab();
+                m_tabWidget->closeTab();
             default:
                 event->ignore();
                 return;
@@ -567,39 +407,19 @@ void DolphinMainWindow::closeEvent(QCloseEvent* event)
     }
 
     GeneralSettings::setVersion(CurrentDolphinVersion);
-    GeneralSettings::self()->writeConfig();
+    GeneralSettings::self()->save();
 
     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 DolphinTabPage* tabPage = m_viewTab.at(i);
-        group.writeEntry("Tab " % QString::number(i), tabPage->saveState());
-    }
+    m_tabWidget->saveProperties(group);
 }
 
 void DolphinMainWindow::readProperties(const KConfigGroup& group)
 {
-    const int tabCount = group.readEntry("Tab Count", 1);
-    for (int i = 0; i < tabCount; ++i) {
-        const QByteArray state = group.readEntry("Tab " % QString::number(i), QByteArray());
-        DolphinTabPage* tabPage = m_viewTab.at(i);
-        tabPage->restoreState(state);
-
-        // 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()
@@ -677,6 +497,11 @@ void DolphinMainWindow::updatePasteAction()
     pasteAction->setText(pasteInfo.second);
 }
 
+void DolphinMainWindow::slotDirectoryLoadingCompleted()
+{
+    updatePasteAction();
+}
+
 void DolphinMainWindow::selectAll()
 {
     clearStatusBar();
@@ -703,13 +528,9 @@ void DolphinMainWindow::invertSelection()
 
 void DolphinMainWindow::toggleSplitView()
 {
-    DolphinTabPage* tabPage = m_viewTab.at(m_tabIndex);
+    DolphinTabPage* tabPage = m_tabWidget->currentTabPage();
     tabPage->setSplitViewEnabled(!tabPage->splitViewEnabled());
 
-    if (tabPage->splitViewEnabled()) {
-        connectViewSignals(tabPage->secondaryViewContainer());
-    }
-
     updateViewActions();
 }
 
@@ -772,14 +593,6 @@ void DolphinMainWindow::togglePanelLockState()
     GeneralSettings::setLockPanels(newLockState);
 }
 
-void DolphinMainWindow::slotPlacesPanelVisibilityChanged(bool visible)
-{
-    foreach (DolphinTabPage* tabPage, m_viewTab) {
-        // The Places selector in the location bar should be shown if and only if the Places panel is hidden.
-        tabPage->setPlacesSelectorVisible(!visible);
-    }
-}
-
 void DolphinMainWindow::goBack()
 {
     KUrlNavigator* urlNavigator = m_activeViewContainer->urlNavigator();
@@ -810,7 +623,7 @@ void DolphinMainWindow::goHome()
 void DolphinMainWindow::goBack(Qt::MouseButtons buttons)
 {
     // The default case (left button pressed) is handled in goBack().
-    if (buttons == Qt::MidButton) {
+    if (buttons == Qt::MiddleButton) {
         KUrlNavigator* urlNavigator = activeViewContainer()->urlNavigator();
         const int index = urlNavigator->historyIndex() + 1;
         openNewTab(urlNavigator->locationUrl(index));
@@ -820,7 +633,7 @@ void DolphinMainWindow::goBack(Qt::MouseButtons buttons)
 void DolphinMainWindow::goForward(Qt::MouseButtons buttons)
 {
     // The default case (left button pressed) is handled in goForward().
-    if (buttons == Qt::MidButton) {
+    if (buttons == Qt::MiddleButton) {
         KUrlNavigator* urlNavigator = activeViewContainer()->urlNavigator();
         const int index = urlNavigator->historyIndex() - 1;
         openNewTab(urlNavigator->locationUrl(index));
@@ -830,35 +643,35 @@ void DolphinMainWindow::goForward(Qt::MouseButtons buttons)
 void DolphinMainWindow::goUp(Qt::MouseButtons buttons)
 {
     // The default case (left button pressed) is handled in goUp().
-    if (buttons == Qt::MidButton) {
-        openNewTab(activeViewContainer()->url().upUrl());
+    if (buttons == Qt::MiddleButton) {
+        openNewTab(KIO::upUrl(activeViewContainer()->url()));
     }
 }
 
 void DolphinMainWindow::goHome(Qt::MouseButtons buttons)
 {
     // The default case (left button pressed) is handled in goHome().
-    if (buttons == Qt::MidButton) {
+    if (buttons == Qt::MiddleButton) {
         openNewTab(GeneralSettings::self()->homeUrl());
     }
 }
 
 void DolphinMainWindow::compareFiles()
 {
-    const KFileItemList items = m_viewTab.at(m_tabIndex)->selectedItems();
+    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;
     }
 
-    KUrl urlA = items.at(0).url();
-    KUrl urlB = items.at(1).url();
+    QUrl urlA = items.at(0).url();
+    QUrl urlB = items.at(1).url();
 
     QString command("kompare -c \"");
-    command.append(urlA.pathOrUrl());
+    command.append(urlA.toDisplayString(QUrl::PreferLocalFile));
     command.append("\" \"");
-    command.append(urlB.pathOrUrl());
+    command.append(urlB.toDisplayString(QUrl::PreferLocalFile));
     command.append('\"');
     KRun::runCommand(command, "Kompare", "kompare", this);
 }
@@ -880,7 +693,7 @@ 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.
-    KUrl url = KIO::NetAccess::mostLocalUrl(m_activeViewContainer->url(), this);
+    QUrl url = KIO::NetAccess::mostLocalUrl(m_activeViewContainer->url(), this);
 
     //If the URL is local after the above conversion, set the directory.
     if (url.isLocalFile()) {
@@ -896,7 +709,7 @@ void DolphinMainWindow::editSettings()
         DolphinViewContainer* container = activeViewContainer();
         container->view()->writeSettings();
 
-        const KUrl url = container->url();
+        const QUrl url = container->url();
         DolphinSettingsDialog* settingsDialog = new DolphinSettingsDialog(url, this);
         connect(settingsDialog, &DolphinSettingsDialog::settingsChanged, this, &DolphinMainWindow::refreshViews);
         settingsDialog->setAttribute(Qt::WA_DeleteOnClose);
@@ -907,112 +720,7 @@ void DolphinMainWindow::editSettings()
     }
 }
 
-void DolphinMainWindow::setActiveTab(int index)
-{
-    Q_ASSERT(index >= 0);
-    Q_ASSERT(index < m_viewTab.count());
-    if (index == m_tabIndex) {
-        return;
-    }
-
-    m_tabBar->setCurrentIndex(index);
-
-    // hide current tab content
-    if (m_tabIndex >= 0) {
-        DolphinTabPage* hiddenTabPage = m_viewTab.at(m_tabIndex);
-        hiddenTabPage->hide();
-        m_centralWidgetLayout->removeWidget(hiddenTabPage);
-    }
-
-    // show active tab content
-    m_tabIndex = index;
-
-    DolphinTabPage* tabPage = m_viewTab.at(index);
-    m_centralWidgetLayout->addWidget(tabPage, 1);
-    tabPage->show();
-
-    setActiveViewContainer(tabPage->activeViewContainer());
-}
-
-void DolphinMainWindow::closeTab()
-{
-    closeTab(m_tabBar->currentIndex());
-}
-
-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);
-    }
-
-    DolphinTabPage* tabPage = m_viewTab.at(index);
-
-    if (tabPage->splitViewEnabled()) {
-        emit rememberClosedTab(tabPage->primaryViewContainer()->url(),
-                               tabPage->secondaryViewContainer()->url());
-    } else {
-        emit rememberClosedTab(tabPage->primaryViewContainer()->url(), KUrl());
-    }
-
-    // delete tab
-    m_viewTab.removeAt(index);
-    tabPage->deleteLater();
-
-    m_tabBar->blockSignals(true);
-    m_tabBar->removeTab(index);
-
-    if (m_tabIndex > index) {
-        m_tabIndex--;
-        Q_ASSERT(m_tabIndex >= 0);
-    }
-
-    // if only one tab is left, also remove the tab entry so that
-    // closing the last tab is not possible
-    if (m_viewTab.count() < 2) {
-        actionCollection()->action("close_tab")->setEnabled(false);
-        actionCollection()->action("activate_prev_tab")->setEnabled(false);
-        actionCollection()->action("activate_next_tab")->setEnabled(false);
-        m_tabBar->hide();
-    } else {
-        m_tabBar->blockSignals(false);
-    }
-}
-
-void DolphinMainWindow::detachTab(int index)
-{
-    Q_ASSERT(index >= 0);
-
-    const QString separator(QLatin1Char(' '));
-    QString command = QLatin1String("dolphin");
-
-    const DolphinTabPage* tabPage = m_viewTab.at(index);
-    command += separator + tabPage->primaryViewContainer()->url().url();
-    if (tabPage->splitViewEnabled()) {
-        command += separator + tabPage->secondaryViewContainer()->url().url();
-        command += separator + QLatin1String("-split");
-    }
-
-    KRun::runCommand(command, this);
-
-    closeTab(index);
-}
-
-void DolphinMainWindow::slotTabMoved(int from, int to)
-{
-    m_viewTab.move(from, to);
-    m_tabIndex = m_tabBar->currentIndex();
-}
-
-void DolphinMainWindow::handleUrl(const KUrl& url)
+void DolphinMainWindow::handleUrl(const QUrl& url)
 {
     delete m_lastHandleUrlStatJob;
     m_lastHandleUrlStatJob = 0;
@@ -1037,7 +745,7 @@ void DolphinMainWindow::slotHandleUrlStatFinished(KJob* job)
 {
     m_lastHandleUrlStatJob = 0;
     const KIO::UDSEntry entry = static_cast<KIO::StatJob*>(job)->statResult();
-    const KUrl url = static_cast<KIO::StatJob*>(job)->url();
+    const QUrl url = static_cast<KIO::StatJob*>(job)->url();
     if (entry.isDir()) {
         activeViewContainer()->setUrl(url);
     } else {
@@ -1045,20 +753,6 @@ void DolphinMainWindow::slotHandleUrlStatFinished(KJob* job)
     }
 }
 
-void DolphinMainWindow::tabDropEvent(int tab, QDropEvent* event)
-{
-    const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
-    if (!urls.isEmpty() && tab != -1) {
-        const DolphinView* view = m_viewTab.at(tab)->activeViewContainer()->view();
-
-        QString error;
-        DragAndDropHelper::dropUrls(view->rootItem(), view->url(), event, error);
-        if (!error.isEmpty()) {
-            activeViewContainer()->showMessage(error, DolphinViewContainer::Error);
-        }
-    }
-}
-
 void DolphinMainWindow::slotWriteStateChanged(bool isFolderWritable)
 {
     newFileMenu()->setEnabled(isFolderWritable);
@@ -1066,7 +760,7 @@ void DolphinMainWindow::slotWriteStateChanged(bool isFolderWritable)
 
 void DolphinMainWindow::openContextMenu(const QPoint& pos,
                                         const KFileItem& item,
-                                        const KUrl& url,
+                                        const QUrl& url,
                                         const QList<QAction*>& customActions)
 {
     QWeakPointer<DolphinContextMenu> contextMenu = new DolphinContextMenu(this, pos, item, url);
@@ -1074,6 +768,10 @@ void DolphinMainWindow::openContextMenu(const QPoint& pos,
     const DolphinContextMenu::Command command = contextMenu.data()->open();
 
     switch (command) {
+    case DolphinContextMenu::OpenParentFolder:
+        changeUrl(KIO::upUrl(item.url()));
+        break;
+
     case DolphinContextMenu::OpenParentFolderInNewWindow: {
 
         KRun::run("dolphin %u", QList<QUrl>() << KIO::upUrl(item.url()), this);
@@ -1094,10 +792,10 @@ void DolphinMainWindow::openContextMenu(const QPoint& pos,
 
 void DolphinMainWindow::updateControlMenu()
 {
-    KMenu* menu = qobject_cast<KMenu*>(sender());
+    QMenu* menu = qobject_cast<QMenu*>(sender());
     Q_ASSERT(menu);
 
-    // All actions get cleared by KMenu::clear(). The sub-menus are deleted
+    // All actions get cleared by QMenu::clear(). The sub-menus are deleted
     // by connecting to the aboutToHide() signal from the parent-menu.
     menu->clear();
 
@@ -1139,7 +837,7 @@ void DolphinMainWindow::updateControlMenu()
     }
 
     addActionToMenu(ac->action("panels"), menu);
-    KMenu* locationBarMenu = new KMenu(i18nc("@action:inmenu", "Location Bar"), menu);
+    QMenu* locationBarMenu = new QMenu(i18nc("@action:inmenu", "Location Bar"), menu);
     locationBarMenu->addAction(ac->action("editable_location"));
     locationBarMenu->addAction(ac->action("replace_location"));
     menu->addMenu(locationBarMenu);
@@ -1147,8 +845,8 @@ void DolphinMainWindow::updateControlMenu()
     menu->addSeparator();
 
     // Add "Go" menu
-    KMenu* goMenu = new KMenu(i18nc("@action:inmenu", "Go"), menu);
-    connect(menu, &KMenu::aboutToHide, goMenu, &KMenu::deleteLater);
+    QMenu* goMenu = new QMenu(i18nc("@action:inmenu", "Go"), menu);
+    connect(menu, &QMenu::aboutToHide, goMenu, &QMenu::deleteLater);
     goMenu->addAction(ac->action(KStandardAction::name(KStandardAction::Back)));
     goMenu->addAction(ac->action(KStandardAction::name(KStandardAction::Forward)));
     goMenu->addAction(ac->action(KStandardAction::name(KStandardAction::Up)));
@@ -1157,8 +855,8 @@ void DolphinMainWindow::updateControlMenu()
     menu->addMenu(goMenu);
 
     // Add "Tool" menu
-    KMenu* toolsMenu = new KMenu(i18nc("@action:inmenu", "Tools"), menu);
-    connect(menu, &KMenu::aboutToHide, toolsMenu, &KMenu::deleteLater);
+    QMenu* toolsMenu = new QMenu(i18nc("@action:inmenu", "Tools"), menu);
+    connect(menu, &QMenu::aboutToHide, toolsMenu, &QMenu::deleteLater);
     toolsMenu->addAction(ac->action("show_filter_bar"));
     toolsMenu->addAction(ac->action("compare_files"));
     toolsMenu->addAction(ac->action("open_terminal"));
@@ -1171,8 +869,8 @@ void DolphinMainWindow::updateControlMenu()
     addActionToMenu(ac->action(KStandardAction::name(KStandardAction::Preferences)), menu);
 
     // Add "Help" menu
-    KMenu* helpMenu = new KMenu(i18nc("@action:inmenu", "Help"), menu);
-    connect(menu, &KMenu::aboutToHide, helpMenu, &KMenu::deleteLater);
+    QMenu* helpMenu = new QMenu(i18nc("@action:inmenu", "Help"), menu);
+    connect(menu, &QMenu::aboutToHide, helpMenu, &QMenu::deleteLater);
     helpMenu->addAction(ac->action(KStandardAction::name(KStandardAction::HelpContents)));
     helpMenu->addAction(ac->action(KStandardAction::name(KStandardAction::WhatsThis)));
     helpMenu->addSeparator();
@@ -1206,7 +904,7 @@ void DolphinMainWindow::slotPanelErrorMessage(const QString& error)
     activeViewContainer()->showMessage(error, DolphinViewContainer::Error);
 }
 
-void DolphinMainWindow::slotPlaceActivated(const KUrl& url)
+void DolphinMainWindow::slotPlaceActivated(const QUrl& url)
 {
     DolphinViewContainer* view = activeViewContainer();
 
@@ -1219,22 +917,28 @@ void DolphinMainWindow::slotPlaceActivated(const KUrl& url)
     }
 }
 
-void DolphinMainWindow::activeViewChanged()
+void DolphinMainWindow::closedTabsCountChanged(unsigned int count)
 {
-    const DolphinTabPage* tabPage = m_viewTab.at(m_tabIndex);
-    setActiveViewContainer(tabPage->activeViewContainer());
+    actionCollection()->action("undo_close_tab")->setEnabled(count > 0);
 }
 
-void DolphinMainWindow::setActiveViewContainer(DolphinViewContainer* viewContainer)
+void DolphinMainWindow::activeViewChanged(DolphinViewContainer* viewContainer)
 {
+    DolphinViewContainer* oldViewContainer = m_activeViewContainer;
     Q_ASSERT(viewContainer);
-    Q_ASSERT((viewContainer == m_viewTab.at(m_tabIndex)->primaryViewContainer()) ||
-             (viewContainer == m_viewTab.at(m_tabIndex)->secondaryViewContainer()));
-    if (m_activeViewContainer == viewContainer) {
-        return;
-    }
 
     m_activeViewContainer = viewContainer;
+
+    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();
@@ -1243,14 +947,34 @@ void DolphinMainWindow::setActiveViewContainer(DolphinViewContainer* viewContain
     updateViewActions();
     updateGoActions();
 
-    const KUrl url = m_activeViewContainer->url();
-    setUrlAsCaption(url);
-    m_tabBar->setTabText(m_tabIndex, squeezedText(tabName(url)));
-    m_tabBar->setTabIcon(m_tabIndex, QIcon::fromTheme(KIO::iconNameForUrl(url)));
-
+    const QUrl url = viewContainer->url();
     emit urlChanged(url);
 }
 
+void DolphinMainWindow::tabCountChanged(int count)
+{
+    const bool enableTabActions = (count > 1);
+    actionCollection()->action("close_tab")->setEnabled(enableTabActions);
+    actionCollection()->action("activate_next_tab")->setEnabled(enableTabActions);
+    actionCollection()->action("activate_prev_tab")->setEnabled(enableTabActions);
+}
+
+void DolphinMainWindow::setUrlAsCaption(const QUrl& url)
+{
+    QString caption;
+    if (!url.isLocalFile()) {
+        caption.append(url.scheme() + " - ");
+        if (!url.host().isEmpty()) {
+            caption.append(url.host() + " - ");
+        }
+    }
+
+    const QString fileName = url.fileName().isEmpty() ? "/" : url.fileName();
+    caption.append(fileName);
+
+    setCaption(caption);
+}
+
 void DolphinMainWindow::setupActions()
 {
     // setup 'File' menu
@@ -1265,21 +989,21 @@ void DolphinMainWindow::setupActions()
     QAction* newWindow = actionCollection()->addAction("new_window");
     newWindow->setIcon(QIcon::fromTheme("window-new"));
     newWindow->setText(i18nc("@action:inmenu File", "New &Window"));
-    newWindow->setShortcut(Qt::CTRL | Qt::Key_N);
+    actionCollection()->setDefaultShortcut(newWindow, Qt::CTRL | Qt::Key_N);
     connect(newWindow, &QAction::triggered, this, &DolphinMainWindow::openNewMainWindow);
 
     QAction* newTab = actionCollection()->addAction("new_tab");
     newTab->setIcon(QIcon::fromTheme("tab-new"));
     newTab->setText(i18nc("@action:inmenu File", "New Tab"));
-    newTab->setShortcuts(QList<QKeySequence>() << QKeySequence(Qt::CTRL | Qt::Key_T) << QKeySequence(Qt::CTRL | Qt::SHIFT | Qt::Key_N));
-    connect(newTab, &QAction::triggered, this, static_cast<void(DolphinMainWindow::*)()>(&DolphinMainWindow::openNewTab));
+    actionCollection()->setDefaultShortcuts(newTab, QList<QKeySequence>() << QKeySequence(Qt::CTRL | Qt::Key_T) << QKeySequence(Qt::CTRL | Qt::SHIFT | Qt::Key_N));
+    connect(newTab, &QAction::triggered, this, static_cast<void(DolphinMainWindow::*)()>(&DolphinMainWindow::openNewActivatedTab));
 
     QAction* closeTab = actionCollection()->addAction("close_tab");
     closeTab->setIcon(QIcon::fromTheme("tab-close"));
     closeTab->setText(i18nc("@action:inmenu File", "Close Tab"));
-    closeTab->setShortcut(Qt::CTRL | Qt::Key_W);
+    actionCollection()->setDefaultShortcut(closeTab, Qt::CTRL | Qt::Key_W);
     closeTab->setEnabled(false);
-    connect(closeTab, &QAction::triggered, this, static_cast<void(DolphinMainWindow::*)()>(&DolphinMainWindow::closeTab));
+    connect(closeTab, &QAction::triggered, m_tabWidget, static_cast<void(DolphinTabWidget::*)()>(&DolphinTabWidget::closeTab));
 
     KStandardAction::quit(this, SLOT(quit()), actionCollection());
 
@@ -1293,7 +1017,7 @@ void DolphinMainWindow::setupActions()
     QAction* cut = KStandardAction::cut(this, SLOT(cut()), actionCollection());
     auto cutShortcuts = cut->shortcuts();
     cutShortcuts.removeAll(QKeySequence(Qt::SHIFT | Qt::Key_Delete));
-    cut->setShortcuts(cutShortcuts);
+    actionCollection()->setDefaultShortcuts(cut, cutShortcuts);
     KStandardAction::copy(this, SLOT(copy()), actionCollection());
     QAction* paste = KStandardAction::paste(this, SLOT(paste()), actionCollection());
     // The text of the paste-action is modified dynamically by Dolphin
@@ -1305,24 +1029,24 @@ void DolphinMainWindow::setupActions()
 
     QAction* selectAll = actionCollection()->addAction("select_all");
     selectAll->setText(i18nc("@action:inmenu Edit", "Select All"));
-    selectAll->setShortcut(Qt::CTRL | Qt::Key_A);
+    actionCollection()->setDefaultShortcut(selectAll, Qt::CTRL | Qt::Key_A);
     connect(selectAll, &QAction::triggered, this, &DolphinMainWindow::selectAll);
 
     QAction* invertSelection = actionCollection()->addAction("invert_selection");
     invertSelection->setText(i18nc("@action:inmenu Edit", "Invert Selection"));
-    invertSelection->setShortcut(Qt::CTRL | Qt::SHIFT | Qt::Key_A);
+    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)
 
     QAction* split = actionCollection()->addAction("split_view");
-    split->setShortcut(Qt::Key_F3);
+    actionCollection()->setDefaultShortcut(split, Qt::Key_F3);
     connect(split, &QAction::triggered, this, &DolphinMainWindow::toggleSplitView);
 
     QAction* reload = actionCollection()->addAction("reload");
     reload->setText(i18nc("@action:inmenu View", "Reload"));
-    reload->setShortcut(Qt::Key_F5);
+    actionCollection()->setDefaultShortcut(reload, Qt::Key_F5);
     reload->setIcon(QIcon::fromTheme("view-refresh"));
     connect(reload, &QAction::triggered, this, &DolphinMainWindow::reloadView);
 
@@ -1334,26 +1058,35 @@ void DolphinMainWindow::setupActions()
 
     KToggleAction* editableLocation = actionCollection()->add<KToggleAction>("editable_location");
     editableLocation->setText(i18nc("@action:inmenu Navigation Bar", "Editable Location"));
-    editableLocation->setShortcut(Qt::Key_F6);
+    actionCollection()->setDefaultShortcut(editableLocation, Qt::Key_F6);
     connect(editableLocation, &KToggleAction::triggered, this, &DolphinMainWindow::toggleEditLocation);
 
     QAction* replaceLocation = actionCollection()->addAction("replace_location");
     replaceLocation->setText(i18nc("@action:inmenu Navigation Bar", "Replace Location"));
-    replaceLocation->setShortcut(Qt::CTRL | Qt::Key_L);
+    actionCollection()->setDefaultShortcut(replaceLocation, Qt::CTRL | Qt::Key_L);
     connect(replaceLocation, &QAction::triggered, this, &DolphinMainWindow::replaceLocation);
 
     // setup 'Go' menu
     QAction* backAction = KStandardAction::back(this, SLOT(goBack()), actionCollection());
     auto backShortcuts = backAction->shortcuts();
     backShortcuts.append(QKeySequence(Qt::Key_Backspace));
-    backAction->setShortcuts(backShortcuts);
+    actionCollection()->setDefaultShortcuts(backAction, backShortcuts);
 
     DolphinRecentTabsMenu* recentTabsMenu = new DolphinRecentTabsMenu(this);
     actionCollection()->addAction("closed_tabs", recentTabsMenu);
-    connect(this, SIGNAL(rememberClosedTab(KUrl,KUrl)),
-            recentTabsMenu, SLOT(rememberClosedTab(KUrl,KUrl)));
-    connect(recentTabsMenu, SIGNAL(restoreClosedTab(KUrl,KUrl)),
-            this, SLOT(openNewActivatedTab(KUrl,KUrl)));
+    connect(m_tabWidget, SIGNAL(rememberClosedTab(QUrl,QByteArray)),
+            recentTabsMenu, SLOT(rememberClosedTab(QUrl,QByteArray)));
+    connect(recentTabsMenu, SIGNAL(restoreClosedTab(QByteArray)),
+            m_tabWidget, SLOT(restoreClosedTab(QByteArray)));
+    connect(recentTabsMenu, SIGNAL(closedTabsCountChanged(uint)),
+            this, SLOT(closedTabsCountChanged(uint)));
+
+    QAction* undoCloseTab = actionCollection()->addAction("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("edit-undo"));
+    undoCloseTab->setEnabled(false);
+    connect(undoCloseTab, SIGNAL(triggered()), recentTabsMenu, SLOT(undoCloseTab()));
 
     KStandardAction::forward(this, SLOT(goForward()), actionCollection());
     KStandardAction::up(this, SLOT(goUp()), actionCollection());
@@ -1363,7 +1096,7 @@ void DolphinMainWindow::setupActions()
     QAction* showFilterBar = actionCollection()->addAction("show_filter_bar");
     showFilterBar->setText(i18nc("@action:inmenu Tools", "Show Filter Bar"));
     showFilterBar->setIcon(QIcon::fromTheme("view-filter"));
-    showFilterBar->setShortcut(Qt::CTRL | Qt::Key_I);
+    actionCollection()->setDefaultShortcut(showFilterBar, Qt::CTRL | Qt::Key_I);
     connect(showFilterBar, &QAction::triggered, this, &DolphinMainWindow::showFilterBar);
 
     QAction* compareFiles = actionCollection()->addAction("compare_files");
@@ -1375,7 +1108,7 @@ void DolphinMainWindow::setupActions()
     QAction* openTerminal = actionCollection()->addAction("open_terminal");
     openTerminal->setText(i18nc("@action:inmenu Tools", "Open Terminal"));
     openTerminal->setIcon(QIcon::fromTheme("utilities-terminal"));
-    openTerminal->setShortcut(Qt::SHIFT | Qt::Key_F4);
+    actionCollection()->setDefaultShortcut(openTerminal, Qt::SHIFT | Qt::Key_F4);
     connect(openTerminal, &QAction::triggered, this, &DolphinMainWindow::openTerminal);
 
     // setup 'Settings' menu
@@ -1397,15 +1130,15 @@ void DolphinMainWindow::setupActions()
     activateNextTab->setIconText(i18nc("@action:inmenu", "Next Tab"));
     activateNextTab->setText(i18nc("@action:inmenu", "Activate Next Tab"));
     activateNextTab->setEnabled(false);
-    connect(activateNextTab, &QAction::triggered, this, &DolphinMainWindow::activateNextTab);
-    activateNextTab->setShortcuts(QApplication::isRightToLeft() ? prevTabKeys : nextTabKeys);
+    connect(activateNextTab, &QAction::triggered, m_tabWidget, &DolphinTabWidget::activateNextTab);
+    actionCollection()->setDefaultShortcuts(activateNextTab, QApplication::isRightToLeft() ? prevTabKeys : nextTabKeys);
 
     QAction* activatePrevTab = actionCollection()->addAction("activate_prev_tab");
     activatePrevTab->setIconText(i18nc("@action:inmenu", "Previous Tab"));
     activatePrevTab->setText(i18nc("@action:inmenu", "Activate Previous Tab"));
     activatePrevTab->setEnabled(false);
-    connect(activatePrevTab, &QAction::triggered, this, &DolphinMainWindow::activatePrevTab);
-    activatePrevTab->setShortcuts(QApplication::isRightToLeft() ? nextTabKeys : prevTabKeys);
+    connect(activatePrevTab, &QAction::triggered, m_tabWidget, &DolphinTabWidget::activatePrevTab);
+    actionCollection()->setDefaultShortcuts(activatePrevTab, QApplication::isRightToLeft() ? nextTabKeys : prevTabKeys);
 
     // for context menu
     QAction* openInNewTab = actionCollection()->addAction("open_in_new_tab");
@@ -1474,8 +1207,8 @@ void DolphinMainWindow::setupDockWidgets()
             foldersPanel, &FoldersPanel::setUrl);
     connect(foldersPanel, &FoldersPanel::folderActivated,
             this, &DolphinMainWindow::changeUrl);
-    connect(foldersPanel, SIGNAL(folderMiddleClicked(KUrl)),
-            this, SLOT(openNewTab(KUrl)));
+    connect(foldersPanel, &FoldersPanel::folderMiddleClicked,
+            this, &DolphinMainWindow::openNewTab);
     connect(foldersPanel, &FoldersPanel::errorMessage,
             this, &DolphinMainWindow::slotPanelErrorMessage);
 
@@ -1526,17 +1259,19 @@ void DolphinMainWindow::setupDockWidgets()
     addDockWidget(Qt::LeftDockWidgetArea, placesDock);
     connect(placesPanel, &PlacesPanel::placeActivated,
             this, &DolphinMainWindow::slotPlaceActivated);
-    connect(placesPanel, SIGNAL(placeMiddleClicked(KUrl)),
-            this, SLOT(openNewTab(KUrl)));
+    connect(placesPanel, SIGNAL(placeMiddleClicked(QUrl)),
+            this, SLOT(openNewTab(QUrl)));
     connect(placesPanel, &PlacesPanel::errorMessage,
             this, &DolphinMainWindow::slotPanelErrorMessage);
     connect(this, &DolphinMainWindow::urlChanged,
             placesPanel, &PlacesPanel::setUrl);
     connect(placesDock, &DolphinDockWidget::visibilityChanged,
-            this, &DolphinMainWindow::slotPlacesPanelVisibilityChanged);
+            m_tabWidget, &DolphinTabWidget::slotPlacesPanelVisibilityChanged);
     connect(this, &DolphinMainWindow::settingsChanged,
 	    placesPanel, &PlacesPanel::readSettings);
 
+    m_tabWidget->slotPlacesPanelVisibilityChanged(placesPanel->isVisible());
+
     // Add actions into the "Panels" menu
     KActionMenu* panelsMenu = new KActionMenu(i18nc("@action:inmenu View", "Panels"), this);
     actionCollection()->addAction("panels", panelsMenu);
@@ -1595,8 +1330,8 @@ void DolphinMainWindow::updateViewActions()
 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::createControlButton()
@@ -1612,8 +1347,8 @@ void DolphinMainWindow::createControlButton()
     m_controlButton->setPopupMode(QToolButton::InstantPopup);
     m_controlButton->setToolButtonStyle(toolBar()->toolButtonStyle());
 
-    KMenu* controlMenu = new KMenu(m_controlButton);
-    connect(controlMenu, &KMenu::aboutToShow, this, &DolphinMainWindow::updateControlMenu);
+    QMenu* controlMenu = new QMenu(m_controlButton);
+    connect(controlMenu, &QMenu::aboutToShow, this, &DolphinMainWindow::updateControlMenu);
 
     m_controlButton->setMenu(controlMenu);
 
@@ -1641,7 +1376,7 @@ void DolphinMainWindow::deleteControlButton()
     m_updateToolBarTimer = 0;
 }
 
-bool DolphinMainWindow::addActionToMenu(QAction* action, KMenu* menu)
+bool DolphinMainWindow::addActionToMenu(QAction* action, QMenu* menu)
 {
     Q_ASSERT(action);
     Q_ASSERT(menu);
@@ -1659,15 +1394,13 @@ bool DolphinMainWindow::addActionToMenu(QAction* action, KMenu* menu)
 
 void DolphinMainWindow::refreshViews()
 {
-    foreach (DolphinTabPage* tabPage, m_viewTab) {
-        tabPage->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_viewTab.at(m_tabIndex)->setSplitViewEnabled(splitView);
+        m_tabWidget->currentTabPage()->setSplitViewEnabled(splitView);
         updateSplitAction();
     }
 
@@ -1691,14 +1424,16 @@ void DolphinMainWindow::connectViewSignals(DolphinViewContainer* container)
             this, &DolphinMainWindow::slotSelectionChanged);
     connect(view, &DolphinView::requestItemInfo,
             this, &DolphinMainWindow::slotRequestItemInfo);
-    connect(view, SIGNAL(tabRequested(KUrl)),
-            this, SLOT(openNewTab(KUrl)));
+    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,
@@ -1711,23 +1446,23 @@ void DolphinMainWindow::connectViewSignals(DolphinViewContainer* container)
             this, &DolphinMainWindow::updateHistory);
     connect(navigator, &KUrlNavigator::editableStateChanged,
             this, &DolphinMainWindow::slotEditableStateChanged);
-    connect(navigator, SIGNAL(tabRequested(KUrl)),
-            this, SLOT(openNewTab(KUrl)));
+    connect(navigator, &KUrlNavigator::tabRequested,
+            this, &DolphinMainWindow::openNewTab);
 }
 
 void DolphinMainWindow::updateSplitAction()
 {
     QAction* splitAction = actionCollection()->action("split_view");
-    const DolphinTabPage* tabPage = m_viewTab.at(m_tabIndex);
+    const DolphinTabPage* tabPage = m_tabWidget->currentTabPage();
     if (tabPage->splitViewEnabled()) {
         if (tabPage->primaryViewActive()) {
             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("view-left-close"));
         } else {
             splitAction->setText(i18nc("@action:intoolbar Close right view", "Close"));
             splitAction->setToolTip(i18nc("@info", "Close right view"));
-            splitAction->setIcon(KIcon("view-right-close"));
+            splitAction->setIcon(QIcon::fromTheme("view-right-close"));
         }
     } else {
         splitAction->setText(i18nc("@action:intoolbar Split view", "Split"));
@@ -1736,24 +1471,6 @@ void DolphinMainWindow::updateSplitAction()
     }
 }
 
-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;
@@ -1761,34 +1478,12 @@ bool DolphinMainWindow::isKompareInstalled() const
     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;
 }
 
-void DolphinMainWindow::setUrlAsCaption(const KUrl& url)
-{
-    QString caption;
-    if (!url.isLocalFile()) {
-        caption.append(url.protocol() + " - ");
-        if (url.hasHost()) {
-            caption.append(url.host() + " - ");
-        }
-    }
-
-    const QString fileName = url.fileName().isEmpty() ? "/" : url.fileName();
-    caption.append(fileName);
-
-    setCaption(caption);
-}
-
-QString DolphinMainWindow::squeezedText(const QString& text) const
-{
-    const QFontMetrics fm = fontMetrics();
-    return fm.elidedText(text, Qt::ElideMiddle, fm.maxWidth() * 10);
-}
-
 void DolphinMainWindow::createPanelAction(const QIcon& icon,
                                           const QKeySequence& shortcut,
                                           QAction* dockAction,
@@ -1799,7 +1494,7 @@ void DolphinMainWindow::createPanelAction(const QIcon& icon,
     panelAction->setChecked(dockAction->isChecked());
     panelAction->setText(dockAction->text());
     panelAction->setIcon(icon);
-    panelAction->setShortcut(shortcut);
+    actionCollection()->setDefaultShortcut(panelAction, shortcut);
 
     connect(panelAction, &QAction::triggered, dockAction, &QAction::trigger);
     connect(dockAction, &QAction::toggled, panelAction, &QAction::setChecked);