/*
    Copyright 2006-2008 by Robert Knight <robertknight@gmail.com>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301  USA.
*/

// Own
#include "MainWindow.h"

// Qt
#include <QVBoxLayout>

// KDE
#include <KAcceleratorManager>
#include <KAction>
#include <KActionCollection>
#include <KActionMenu>
#include <KCmdLineArgs>
#include <KShortcutsDialog>
#include <KLocale>
#include <KMenu>
#include <KMenuBar>
#include <KMessageBox>
#include <KToggleFullScreenAction>
#include <KStandardAction>
#include <KStandardGuiItem>
#include <KWindowSystem>
#include <KXMLGUIFactory>
#include <KNotifyConfigWidget>
#include <KConfigDialog>
#include <KApplication>

// Konsole
#include "BookmarkHandler.h"
#include "SessionController.h"
#include "ProfileList.h"
#include "ManageProfilesDialog.h"
#include "Session.h"
#include "ViewManager.h"
#include "SessionManager.h"
#include "ProfileManager.h"
#include "KonsoleSettings.h"
#include "settings/GeneralSettings.h"
#include "settings/TabBarSettings.h"

using namespace Konsole;

/* Normally it would be enough to just have this determined via the window
   manager. But there exist GPU drivers (NVIDIA) that have serious performance
   issues if transparency is enbled inside Konsole. The rest of the system
   works fine. NVIDIA users might want to use --notransparency to work
   around such issues. */
static bool useTransparency()
{
    const KCmdLineArgs* args = KCmdLineArgs::parsedArgs();
    const bool compositingAvailable = KWindowSystem::compositingActive();
    return compositingAvailable && args->isSet("transparency");
}

MainWindow::MainWindow()
    : KXmlGuiWindow()
    , _bookmarkHandler(0)
    , _pluggedController(0)
    , _menuBarInitialVisibility(true)
    , _menuBarInitialVisibilityApplied(false)
{
    if (useTransparency()) {
        // It is userful to have translucent terminal area
        setAttribute(Qt::WA_TranslucentBackground, true);
        // But it is mostly annoying to have translucent menubar and tabbar
        setAttribute(Qt::WA_NoSystemBackground, false);
    }

    // create actions for menus
    setupActions();

    // create view manager
    _viewManager = new ViewManager(this, actionCollection());
    connect(_viewManager, SIGNAL(empty()), this, SLOT(close()));
    connect(_viewManager, SIGNAL(activeViewChanged(SessionController*)), this,
            SLOT(activeViewChanged(SessionController*)));
    connect(_viewManager, SIGNAL(unplugController(SessionController*)), this,
            SLOT(disconnectController(SessionController*)));
    connect(_viewManager, SIGNAL(viewPropertiesChanged(QList<ViewProperties*>)),
            bookmarkHandler(), SLOT(setViews(QList<ViewProperties*>)));

    connect(_viewManager, SIGNAL(setSaveGeometryOnExitRequest(bool)), this,
            SLOT(setSaveGeometryOnExit(bool)));
    connect(_viewManager, SIGNAL(updateWindowIcon()), this,
            SLOT(updateWindowIcon()));
    connect(_viewManager, SIGNAL(newViewRequest(Profile::Ptr)),
            this, SLOT(newFromProfile(Profile::Ptr)));
    connect(_viewManager, SIGNAL(newViewRequest()),
            this, SLOT(newTab()));
    connect(_viewManager, SIGNAL(viewDetached(Session*)),
            this, SIGNAL(viewDetached(Session*)));

    // create the main widget
    setupMainWidget();

    // disable automatically generated accelerators in top-level
    // menu items - to avoid conflicting with Alt+[Letter] shortcuts
    // in terminal applications
    KAcceleratorManager::setNoAccel(menuBar());

    // create menus
    createGUI();

    // rememebr the original menu accelerators for later use
    rememberMenuAccelerators();

    // replace standard shortcuts which cannot be used in a terminal
    // emulator (as they are reserved for use by terminal applications)
    correctStandardShortcuts();

    setProfileList(new ProfileList(true, this));

    // this must come at the end
    applyKonsoleSettings();
    connect(KonsoleSettings::self(), SIGNAL(configChanged()), this, SLOT(applyKonsoleSettings()));
}

void MainWindow::rememberMenuAccelerators()
{
    foreach(QAction* menuItem, menuBar()->actions()) {
        QString itemText = menuItem->text();
        menuItem->setData(itemText);
    }
}

// remove accelerators for standard menu items (eg. &File, &View, &Edit)
// etc. which are defined in kdelibs/kdeui/xmlgui/ui_standards.rc, again,
// to avoid conflicting with Alt+[Letter] terminal shortcuts
//
// TODO - Modify XMLGUI so that it allows the text for standard actions
// defined in ui_standards.rc to be re-defined in the local application
// XMLGUI file (konsoleui.rc in this case) - the text for standard items
// can then be redefined there to exclude the standard accelerators
void MainWindow::removeMenuAccelerators()
{
    foreach(QAction* menuItem, menuBar()->actions()) {
        QString itemText = menuItem->text();
        itemText = KGlobal::locale()->removeAcceleratorMarker(itemText);
        menuItem->setText(itemText);
    }
}

void MainWindow::restoreMenuAccelerators()
{
    foreach(QAction* menuItem, menuBar()->actions()) {
        QString itemText = menuItem->data().toString();
        menuItem->setText(itemText);
    }
}

void MainWindow::setSaveGeometryOnExit(bool save)
{
    // enable save and restore of window size
    setAutoSaveSettings("MainWindow", save);
}

void MainWindow::correctStandardShortcuts()
{
    // replace F1 shortcut for help contents
    QAction* helpAction = actionCollection()->action("help_contents");
    Q_ASSERT(helpAction);
    helpAction->setShortcut(QKeySequence());

    // replace Ctrl+B shortcut for bookmarks only if user hasn't already
    // changed the shortcut; however, if the user changed it to Ctrl+B
    // this will still get changed to Ctrl+Shift+B
    QAction* bookmarkAction = actionCollection()->action("add_bookmark");
    Q_ASSERT(bookmarkAction);
    if (bookmarkAction->shortcut() == QKeySequence(Qt::CTRL + Qt::Key_B)) {
        bookmarkAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_B));
    }
}

ViewManager* MainWindow::viewManager() const
{
    return _viewManager;
}

void MainWindow::disconnectController(SessionController* controller)
{
    disconnect(controller, SIGNAL(titleChanged(ViewProperties*)),
               this, SLOT(activeViewTitleChanged(ViewProperties*)));
    disconnect(controller, SIGNAL(rawTitleChanged()),
               this, SLOT(updateWindowCaption()));

    // KXmlGuiFactory::removeClient() will try to access actions associated
    // with the controller internally, which may not be valid after the controller
    // itself is no longer valid (after the associated session and or view have
    // been destroyed)
    if (controller->isValid())
        guiFactory()->removeClient(controller);

    controller->setSearchBar(0);
}

void MainWindow::activeViewChanged(SessionController* controller)
{
    // associate bookmark menu with current session
    bookmarkHandler()->setActiveView(controller);
    disconnect(bookmarkHandler(), SIGNAL(openUrl(KUrl)), 0, 0);
    connect(bookmarkHandler(), SIGNAL(openUrl(KUrl)), controller,
            SLOT(openUrl(KUrl)));

    if (_pluggedController)
        disconnectController(_pluggedController);

    Q_ASSERT(controller);
    _pluggedController = controller;

    // listen for title changes from the current session
    connect(controller, SIGNAL(titleChanged(ViewProperties*)),
            this, SLOT(activeViewTitleChanged(ViewProperties*)));
    connect(controller, SIGNAL(rawTitleChanged()),
            this, SLOT(updateWindowCaption()));

    controller->setShowMenuAction(_toggleMenuBarAction);
    guiFactory()->addClient(controller);

    // set the current session's search bar
    controller->setSearchBar(searchBar());

    // update session title to match newly activated session
    activeViewTitleChanged(controller);

    // Update window icon to newly activated session's icon
    updateWindowIcon();
}

void MainWindow::activeViewTitleChanged(ViewProperties* properties)
{
    Q_UNUSED(properties);
    updateWindowCaption();
}

void MainWindow::updateWindowCaption()
{
    if (!_pluggedController)
        return;

    const QString& title = _pluggedController->title();
    const QString& userTitle = _pluggedController->userTitle();

    // use tab title as caption by default
    QString caption = title;

    // use window title as caption only when enabled and it is not empty
    if (KonsoleSettings::showWindowTitleOnTitleBar() && !userTitle.isEmpty()) {
        caption = userTitle;
    }

    setCaption(caption);
}

void MainWindow::updateWindowIcon()
{
    if (_pluggedController)
        setWindowIcon(_pluggedController->icon());
}

IncrementalSearchBar* MainWindow::searchBar() const
{
    return _viewManager->searchBar();
}

void MainWindow::setupActions()
{
    KActionCollection* collection = actionCollection();
    KAction* menuAction = 0;

    // File Menu
    _newTabMenuAction = new KActionMenu(KIcon("tab-new"), i18nc("@action:inmenu", "&New Tab"), collection);
    _newTabMenuAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_T));
    _newTabMenuAction->setShortcutConfigurable(true);
    _newTabMenuAction->setAutoRepeat(false);
    connect(_newTabMenuAction, SIGNAL(triggered()), this, SLOT(newTab()));
    collection->addAction("new-tab", _newTabMenuAction);

    menuAction = collection->addAction("clone-tab");
    menuAction->setIcon(KIcon("tab-duplicate"));
    menuAction->setText(i18nc("@action:inmenu", "&Clone Tab"));
    menuAction->setShortcut(QKeySequence());
    menuAction->setAutoRepeat(false);
    connect(menuAction, SIGNAL(triggered()), this, SLOT(cloneTab()));

    menuAction = collection->addAction("new-window");
    menuAction->setIcon(KIcon("window-new"));
    menuAction->setText(i18nc("@action:inmenu", "New &Window"));
    menuAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_N));
    menuAction->setAutoRepeat(false);
    connect(menuAction, SIGNAL(triggered()), this, SLOT(newWindow()));

    menuAction = collection->addAction("close-window");
    menuAction->setIcon(KIcon("window-close"));
    menuAction->setText(i18nc("@action:inmenu", "Close Window"));
    menuAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Q));
    connect(menuAction, SIGNAL(triggered()), this, SLOT(close()));

    // Bookmark Menu
    KActionMenu* bookmarkMenu = new KActionMenu(i18nc("@title:menu", "&Bookmarks"), collection);
    _bookmarkHandler = new BookmarkHandler(collection, bookmarkMenu->menu(), true, this);
    collection->addAction("bookmark", bookmarkMenu);
    connect(_bookmarkHandler, SIGNAL(openUrls(QList<KUrl>)), this, SLOT(openUrls(QList<KUrl>)));

    // Settings Menu
    _toggleMenuBarAction = KStandardAction::showMenubar(menuBar(), SLOT(setVisible(bool)), collection);
    _toggleMenuBarAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_M));

    // Full Screen
    menuAction = KStandardAction::fullScreen(this, SLOT(viewFullScreen(bool)), this, collection);
    menuAction->setShortcut(QKeySequence());

    KStandardAction::configureNotifications(this, SLOT(configureNotifications()), collection);
    KStandardAction::keyBindings(this, SLOT(showShortcutsDialog()), collection);
    KStandardAction::preferences(this, SLOT(showSettingsDialog()), collection);

    menuAction = collection->addAction("manage-profiles");
    menuAction->setText(i18nc("@action:inmenu", "Manage Profiles..."));
    menuAction->setIcon(KIcon("configure"));
    connect(menuAction, SIGNAL(triggered()), this, SLOT(showManageProfilesDialog()));

    // Set up an shortcut-only action for activating menu bar.
    menuAction = collection->addAction("activate-menu");
    menuAction->setText(i18nc("@item", "Activate Menu"));
    menuAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_F10));
    connect(menuAction, SIGNAL(triggered()), this, SLOT(activateMenuBar()));
}

void MainWindow::viewFullScreen(bool fullScreen)
{
    if (fullScreen)
        setWindowState(windowState() | Qt::WindowFullScreen);
    else
        setWindowState(windowState() & ~Qt::WindowFullScreen);
}

BookmarkHandler* MainWindow::bookmarkHandler() const
{
    return _bookmarkHandler;
}

void MainWindow::setProfileList(ProfileList* list)
{
    profileListChanged(list->actions());

    connect(list, SIGNAL(profileSelected(Profile::Ptr)), this,
            SLOT(newFromProfile(Profile::Ptr)));

    connect(list, SIGNAL(actionsChanged(QList<QAction*>)), this,
            SLOT(profileListChanged(QList<QAction*>)));
}

void MainWindow::profileListChanged(const QList<QAction*>& sessionActions)
{
    // If only 1 profile is to be shown in the menu, only display
    // it if it is the non-default profile.
    if (sessionActions.size() > 2) {
        // Update the 'New Tab' KActionMenu
        KMenu* newTabMenu = _newTabMenuAction->menu();
        newTabMenu->clear();
        foreach(QAction* sessionAction, sessionActions) {
            newTabMenu->addAction(sessionAction);

            // NOTE: defaultProfile seems to not work here, sigh.
            Profile::Ptr profile = ProfileManager::instance()->defaultProfile();
            if (profile && profile->name() == sessionAction->text().remove('&')) {
                sessionAction->setIcon(KIcon(profile->icon(), 0, QStringList("emblem-favorite")));
                newTabMenu->setDefaultAction(sessionAction);
                QFont actionFont = sessionAction->font();
                actionFont.setBold(true);
                sessionAction->setFont(actionFont);
            }
        }
    } else {
        KMenu* newTabMenu = _newTabMenuAction->menu();
        newTabMenu->clear();
        Profile::Ptr profile = ProfileManager::instance()->defaultProfile();

        // NOTE: Compare names w/o any '&'
        if (sessionActions.size() == 2 &&  sessionActions[1]->text().remove('&') != profile->name()) {
            newTabMenu->addAction(sessionActions[1]);
        } else {
            delete newTabMenu;
        }
    }
}

QString MainWindow::activeSessionDir() const
{
    if (_pluggedController) {
        if (Session* session = _pluggedController->session()) {
            // For new tabs to get the correct working directory,
            // force the updating of the currentWorkingDirectory.
            session->getDynamicTitle();
        }
        return _pluggedController->currentDir();
    } else {
        return QString();
    }
}

void MainWindow::openUrls(const QList<KUrl>& urls)
{
    Profile::Ptr defaultProfile = ProfileManager::instance()->defaultProfile();

    foreach(const KUrl& url, urls) {
        if (url.isLocalFile())
            createSession(defaultProfile, url.path());

        else if (url.protocol() == "ssh")
            createSSHSession(defaultProfile, url);
    }
}

void MainWindow::newTab()
{
    Profile::Ptr defaultProfile = ProfileManager::instance()->defaultProfile();
    createSession(defaultProfile, activeSessionDir());
}

void MainWindow::cloneTab()
{
    Q_ASSERT(_pluggedController);

    Session* session = _pluggedController->session();
    Profile::Ptr profile = SessionManager::instance()->sessionProfile(session);
    if (profile) {
        createSession(profile, activeSessionDir());
    } else {
        // something must be wrong: every session should be associated with profile
        Q_ASSERT(false);
        newTab();
    }
}

Session* MainWindow::createSession(Profile::Ptr profile, const QString& directory)
{
    if (!profile)
        profile = ProfileManager::instance()->defaultProfile();

    Session* session = SessionManager::instance()->createSession(profile);

    if (!directory.isEmpty() && profile->startInCurrentSessionDir())
        session->setInitialWorkingDirectory(directory);

    session->addEnvironmentEntry(QString("KONSOLE_DBUS_WINDOW=/Windows/%1").arg(_viewManager->managerId()));

    // create view before starting the session process so that the session
    // doesn't suffer a change in terminal size right after the session
    // starts.  Some applications such as GNU Screen and Midnight Commander
    // don't like this happening
    createView(session);

    return session;
}

Session* MainWindow::createSSHSession(Profile::Ptr profile, const KUrl& url)
{
    if (!profile)
        profile = ProfileManager::instance()->defaultProfile();

    Session* session = SessionManager::instance()->createSession(profile);

    QString sshCommand = "ssh ";
    if (url.port() > -1) {
        sshCommand += QString("-p %1 ").arg(url.port());
    }
    if (url.hasUser()) {
        sshCommand += (url.user() + '@');
    }
    if (url.hasHost()) {
        sshCommand += url.host();
    }

    session->sendText(sshCommand + '\r');

    // create view before starting the session process so that the session
    // doesn't suffer a change in terminal size right after the session
    // starts.  some applications such as GNU Screen and Midnight Commander
    // don't like this happening
    createView(session);

    return session;
}

void MainWindow::createView(Session* session)
{
    _viewManager->createView(session);
}

void MainWindow::setFocus()
{
    _viewManager->activeView()->setFocus();
}

void MainWindow::newWindow()
{
    Profile::Ptr defaultProfile = ProfileManager::instance()->defaultProfile();
    emit newWindowRequest(defaultProfile, activeSessionDir());
}

bool MainWindow::queryClose()
{
    // Do not ask for confirmation during log out and power off
    // TODO: rework the dealing of this case to make it has its own confirmation
    // dialog.
    if (kapp->sessionSaving()) {
        return true;
    }

    // TODO: Ideally, we should check what process is running instead
    //       of just how many sessions are running.
    // If only 1 session is running, don't ask user to confirm close.
    const int openTabs = _viewManager->viewProperties().count();
    if (openTabs < 2) {
        return true;
    }

    // NOTE: Some, if not all, of the below KWindowSystem calls are only
    //       implemented under x11 (KDE4.8 kdelibs/kdeui/windowmanagement).

    // make sure the window is shown on current desktop and is not minimized
    KWindowSystem::setOnDesktop(winId(), KWindowSystem::currentDesktop());
    if (isMinimized()) {
        KWindowSystem::unminimizeWindow(winId(), true);
    }

    int result = KMessageBox::warningYesNoCancel(this,
                 i18ncp("@info", "There are %1 tab open in this window. "
                        "Do you still want to quit?",
                        "There are %1 tabs open in this window. "
                        "Do you still want to quit?", openTabs),
                 i18nc("@title", "Confirm Close"),
                 KGuiItem(i18nc("@action:button", "Close &Window"), "window-close"),
                 KGuiItem(i18nc("@action:button", "Close Current &Tab"), "tab-close"),
                 KStandardGuiItem::cancel(),
                 "CloseAllTabs");

    switch (result) {
    case KMessageBox::Yes:
        return true;
    case KMessageBox::No:
        if (_pluggedController && _pluggedController->session()) {
            disconnectController(_pluggedController);
            _pluggedController->closeSession();
        }
        return false;
    case KMessageBox::Cancel:
        return false;
    }

    return true;
}

void MainWindow::saveProperties(KConfigGroup& group)
{
    _viewManager->saveSessions(group);
}

void MainWindow::readProperties(const KConfigGroup& group)
{
    _viewManager->restoreSessions(group);
}

void MainWindow::saveGlobalProperties(KConfig* config)
{
    SessionManager::instance()->saveSessions(config);
}

void MainWindow::readGlobalProperties(KConfig* config)
{
    SessionManager::instance()->restoreSessions(config);
}

void MainWindow::syncActiveShortcuts(KActionCollection* dest, const KActionCollection* source)
{
    foreach(QAction * qAction, source->actions()) {
        if (KAction* kAction = qobject_cast<KAction*>(qAction)) {
            if (KAction* destKAction = qobject_cast<KAction*>(dest->action(kAction->objectName())))
                destKAction->setShortcut(kAction->shortcut(KAction::ActiveShortcut), KAction::ActiveShortcut);
        }
    }
}
void MainWindow::showShortcutsDialog()
{
    KShortcutsDialog dialog(KShortcutsEditor::AllActions, KShortcutsEditor::LetterShortcutsDisallowed, this);

    // add actions from this window and the current session controller
    foreach(KXMLGUIClient * client, guiFactory()->clients()) {
        dialog.addCollection(client->actionCollection());
    }

    if (dialog.configure()) {
        // sync shortcuts for non-session actions (defined in "konsoleui.rc") in other main windows
        foreach(QWidget* mainWindowWidget, QApplication::topLevelWidgets()) {
            MainWindow* mainWindow = qobject_cast<MainWindow*>(mainWindowWidget);
            if (mainWindow && mainWindow != this)
                syncActiveShortcuts(mainWindow->actionCollection(), actionCollection());
        }
        // sync shortcuts for session actions (defined in "sessionui.rc") in other session controllers.
        // Controllers which are currently plugged in (ie. their actions are part of the current menu)
        // must be updated immediately via syncActiveShortcuts().  Other controllers will be updated
        // when they are plugged into a main window.
        foreach(SessionController * controller, SessionController::allControllers()) {
            controller->reloadXML();
            if (controller->factory() && controller != _pluggedController)
                syncActiveShortcuts(controller->actionCollection(), _pluggedController->actionCollection());
        }
    }
}

void MainWindow::newFromProfile(Profile::Ptr profile)
{
    createSession(profile, activeSessionDir());
}
void MainWindow::showManageProfilesDialog()
{
    ManageProfilesDialog* dialog = new ManageProfilesDialog(this);
    dialog->show();
}

void MainWindow::showSettingsDialog()
{
    if (KConfigDialog::showDialog("settings"))
        return;

    KConfigDialog* settingsDialog = new KConfigDialog(this, "settings", KonsoleSettings::self());
    settingsDialog->setFaceType(KPageDialog::List);

    GeneralSettings* generalSettings = new GeneralSettings(settingsDialog);
    settingsDialog->addPage(generalSettings,
                            i18nc("@title Preferences page name", "General"),
                            "utilities-terminal");

    TabBarSettings* tabBarSettings = new TabBarSettings(settingsDialog);
    settingsDialog->addPage(tabBarSettings,
                            i18nc("@title Preferences page name", "TabBar"),
                            "system-run");

    settingsDialog->show();
}

void MainWindow::applyKonsoleSettings()
{
    setMenuBarInitialVisibility(KonsoleSettings::showMenuBarByDefault());

    if (KonsoleSettings::allowMenuAccelerators()) {
        restoreMenuAccelerators();
    } else {
        removeMenuAccelerators();
    }

    setNavigationVisibility(KonsoleSettings::tabBarVisibility());
    setNavigationPosition(KonsoleSettings::tabBarPosition());
    setNavigationStyleSheet(KonsoleSettings::tabBarStyleSheet());
    setNavigationBehavior(KonsoleSettings::newTabBehavior());
    setShowQuickButtons(KonsoleSettings::showQuickButtons());

    // setAutoSaveSettings("MainWindow", KonsoleSettings::saveGeometryOnExit());

    updateWindowCaption();
}

void MainWindow::setNavigationVisibility(int visibility)
{
    _viewManager->setNavigationVisibility(visibility);
}

void MainWindow::setNavigationPosition(int position)
{
    _viewManager->setNavigationPosition(position);
}

void MainWindow::setNavigationStyleSheet(const QString& styleSheet)
{
    _viewManager->setNavigationStyleSheet(styleSheet);
}

void MainWindow::setNavigationBehavior(int behavior)
{
    _viewManager->setNavigationBehavior(behavior);
}

void MainWindow::setShowQuickButtons(bool show)
{
    _viewManager->setShowQuickButtons(show);
}

void MainWindow::activateMenuBar()
{
    const QList<QAction*> menuActions = menuBar()->actions();

    if (menuActions.isEmpty())
        return;

    // Show menubar if it is hidden at the moment
    if (menuBar()->isHidden()) {
        menuBar()->setVisible(true);
        _toggleMenuBarAction->setChecked(true);
    }

    // First menu action should be 'File'
    QAction* menuAction = menuActions.first();

    // TODO: Handle when menubar is top level (MacOS)
    menuBar()->setActiveAction(menuAction);
}

void MainWindow::setupMainWidget()
{
    QWidget* mainWindowWidget = new QWidget(this);
    QVBoxLayout* mainWindowLayout = new QVBoxLayout();

    mainWindowLayout->addWidget(_viewManager->widget());
    mainWindowLayout->setContentsMargins(0, 0, 0, 0);
    mainWindowLayout->setSpacing(0);

    mainWindowWidget->setLayout(mainWindowLayout);

    setCentralWidget(mainWindowWidget);
}

void MainWindow::configureNotifications()
{
    KNotifyConfigWidget::configure(this);
}

void MainWindow::setMenuBarInitialVisibility(bool visible)
{
    _menuBarInitialVisibility = visible;
}
void MainWindow::showEvent(QShowEvent* aEvent)
{
    // Make sure the 'initial' visibility is applied only once.
    if (!_menuBarInitialVisibilityApplied) {
        // the initial visibility of menubar should be applied at this last
        // moment. Otherwise, the initial visibility will be determined by
        // what KMainWindow has automatically stored in konsolerc, but not by
        // what users has explicitly configured .
        menuBar()->setVisible(_menuBarInitialVisibility);
        _toggleMenuBarAction->setChecked(_menuBarInitialVisibility);
        _menuBarInitialVisibilityApplied = true;
    }

    // Call parent method
    KXmlGuiWindow::showEvent(aEvent);
}

bool MainWindow::focusNextPrevChild(bool)
{
    // In stand-alone konsole, always disable implicit focus switching
    // through 'Tab' and 'Shift+Tab'
    //
    // Kpart is another different story
    return false;
}

#include "MainWindow.moc"