qa: Resolve Qt deprecation warnings - use sslHandshakeErrors
[quassel.git] / src / qtui / mainwin.cpp
index 3ea5d90..acfe79f 100644 (file)
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-09 by the Quassel Project                          *
+ *   Copyright (C) 2005-2020 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  ***************************************************************************/
+
 #include "mainwin.h"
 
-#ifdef HAVE_KDE
-#  include <KAction>
-#  include <KActionCollection>
-#  include <KHelpMenu>
-#  include <KMenuBar>
-#  include <KShortcutsDialog>
-#  include <KStatusBar>
-#  include <KToolBar>
-#  include <KWindowSystem>
+#include <QIcon>
+#include <QInputDialog>
+#include <QMenuBar>
+#include <QMessageBox>
+#include <QStatusBar>
+#include <QTableView>
+#include <QToolBar>
+
+#ifdef HAVE_KF5
+#    include <kconfigwidgets_version.h>
+
+#    include <KConfigWidgets/KStandardAction>
+#    include <KWidgetsAddons/KToggleFullScreenAction>
+#    include <KXmlGui/KHelpMenu>
+#    include <KXmlGui/KShortcutsDialog>
+#    include <KXmlGui/KToolBar>
 #endif
 
 #ifdef Q_WS_X11
-#  include <QX11Info>
+#    include <QX11Info>
 #endif
 
 #include "aboutdlg.h"
-#include "awaylogfilter.h"
-#include "awaylogview.h"
 #include "action.h"
 #include "actioncollection.h"
+#include "awaylogfilter.h"
+#include "awaylogview.h"
 #include "bufferhotlistfilter.h"
 #include "buffermodel.h"
 #include "bufferview.h"
 #include "clientbufferviewconfig.h"
 #include "clientbufferviewmanager.h"
 #include "clientignorelistmanager.h"
+#include "clienttransfer.h"
+#include "clienttransfermanager.h"
+#include "contextmenuactionprovider.h"
 #include "coreconfigwizard.h"
 #include "coreconnectdlg.h"
 #include "coreconnection.h"
 #include "coreconnectionstatuswidget.h"
 #include "coreinfodlg.h"
-#include "contextmenuactionprovider.h"
 #include "debugbufferviewoverlay.h"
-#include "debuglogwidget.h"
+#include "debuglogdlg.h"
 #include "debugmessagemodelfilter.h"
 #include "flatproxymodel.h"
-#include "iconloader.h"
+#include "icon.h"
 #include "inputwidget.h"
-#include "irclistmodel.h"
 #include "ircconnectionwizard.h"
-#include "jumpkeyhandler.h"
+#include "irclistmodel.h"
 #include "legacysystemtray.h"
 #include "msgprocessorstatuswidget.h"
 #include "nicklistwidget.h"
+#include "passwordchangedlg.h"
 #include "qtuiapplication.h"
 #include "qtuimessageprocessor.h"
 #include "qtuisettings.h"
 #include "qtuistyle.h"
+#include "receivefiledlg.h"
+#include "resourcetreedlg.h"
 #include "settingsdlg.h"
 #include "settingspagedlg.h"
+#include "sslinfodlg.h"
+#include "statusnotifieritem.h"
 #include "toolbaractionprovider.h"
 #include "topicwidget.h"
+#include "transfermodel.h"
 #include "verticaldock.h"
 
 #ifndef HAVE_KDE
-#  ifdef HAVE_DBUS
-#    include "desktopnotificationbackend.h"
-#  endif
-#  ifdef HAVE_PHONON
-#    include "phononnotificationbackend.h"
-#  endif
-#  include "systraynotificationbackend.h"
-#  include "taskbarnotificationbackend.h"
+#    ifdef HAVE_QTMULTIMEDIA
+#        include "qtmultimedianotificationbackend.h"
+#    endif
+#    include "systraynotificationbackend.h"
+#    include "taskbarnotificationbackend.h"
 #else /* HAVE_KDE */
-#  include "knotificationbackend.h"
+#    include "knotificationbackend.h"
 #endif /* HAVE_KDE */
+#include "systrayanimationnotificationbackend.h"
 
-#ifdef HAVE_SSL
-#  include "sslinfodlg.h"
+#ifdef HAVE_LIBSNORE
+#    include "snorenotificationbackend.h"
 #endif
 
-#ifdef HAVE_INDICATEQT
-  #include "indicatornotificationbackend.h"
+#ifdef HAVE_NOTIFICATION_CENTER
+#    include "osxnotificationbackend.h"
+#endif
+
+#ifdef HAVE_DBUS
+#    include "dockmanagernotificationbackend.h"
 #endif
 
 #include "settingspages/aliasessettingspage.h"
 #include "settingspages/backlogsettingspage.h"
 #include "settingspages/bufferviewsettingspage.h"
 #include "settingspages/chatmonitorsettingspage.h"
+#include "settingspages/chatviewcolorsettingspage.h"
 #include "settingspages/chatviewsettingspage.h"
 #include "settingspages/connectionsettingspage.h"
 #include "settingspages/coreaccountsettingspage.h"
 #include "settingspages/coreconnectionsettingspage.h"
+#include "settingspages/corehighlightsettingspage.h"
+#include "settingspages/dccsettingspage.h"
 #include "settingspages/highlightsettingspage.h"
 #include "settingspages/identitiessettingspage.h"
 #include "settingspages/ignorelistsettingspage.h"
 #include "settingspages/notificationssettingspage.h"
 #include "settingspages/topicwidgetsettingspage.h"
 
-MainWin::MainWin(QWidget *parent)
+#ifndef HAVE_KDE
+#    include "settingspages/shortcutssettingspage.h"
+#endif
+
+#ifdef HAVE_SONNET
+#    include "settingspages/sonnetsettingspage.h"
+#endif
+
+MainWin::MainWin(QWidget* parent)
 #ifdef HAVE_KDE
-  : KMainWindow(parent),
-  _kHelpMenu(new KHelpMenu(this, KGlobal::mainComponent().aboutData())),
+    : KMainWindow(parent)
+    , _kHelpMenu(new KHelpMenu(this))
+    ,
 #else
-  : QMainWindow(parent),
-#endif
-    _msgProcessorStatusWidget(new MsgProcessorStatusWidget(this)),
-    _coreConnectionStatusWidget(new CoreConnectionStatusWidget(Client::coreConnection(), this)),
-    _titleSetter(this),
-    _awayLog(0),
-    _layoutLoaded(false)
-{
-  QtUiSettings uiSettings;
-  QString style = uiSettings.value("Style", QString()).toString();
-  if(!style.isEmpty()) {
-    QApplication::setStyle(style);
-  }
-
-  QApplication::setQuitOnLastWindowClosed(false);
-
-  setWindowTitle("Quassel IRC");
-  setWindowIconText("Quassel IRC");
-  updateIcon();
-
-  installEventFilter(new JumpKeyHandler(this));
-}
-
-void MainWin::init() {
-  connect(Client::instance(), SIGNAL(networkCreated(NetworkId)), SLOT(clientNetworkCreated(NetworkId)));
-  connect(Client::instance(), SIGNAL(networkRemoved(NetworkId)), SLOT(clientNetworkRemoved(NetworkId)));
-  connect(Client::messageModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
-           SLOT(messagesInserted(const QModelIndex &, int, int)));
-  connect(GraphicalUi::contextMenuActionProvider(), SIGNAL(showChannelList(NetworkId)), SLOT(showChannelList(NetworkId)));
-  connect(GraphicalUi::contextMenuActionProvider(), SIGNAL(showIgnoreList(QString)), SLOT(showIgnoreList(QString)));
-
-  connect(Client::coreConnection(), SIGNAL(startCoreSetup(QVariantList)), SLOT(showCoreConfigWizard(QVariantList)));
-  connect(Client::coreConnection(), SIGNAL(connectionErrorPopup(QString)), SLOT(handleCoreConnectionError(QString)));
-  connect(Client::coreConnection(), SIGNAL(userAuthenticationRequired(CoreAccount *, bool *, QString)), SLOT(userAuthenticationRequired(CoreAccount *, bool *, QString)));
-  connect(Client::coreConnection(), SIGNAL(handleNoSslInClient(bool*)), SLOT(handleNoSslInClient(bool *)));
-  connect(Client::coreConnection(), SIGNAL(handleNoSslInCore(bool*)), SLOT(handleNoSslInCore(bool *)));
-#ifdef HAVE_SSL
-  connect(Client::coreConnection(), SIGNAL(handleSslErrors(const QSslSocket *, bool *, bool *)), SLOT(handleSslErrors(const QSslSocket *, bool *, bool *)));
+    : QMainWindow(parent)
+    ,
 #endif
+    _msgProcessorStatusWidget(new MsgProcessorStatusWidget(this))
+    , _coreConnectionStatusWidget(new CoreConnectionStatusWidget(Client::coreConnection(), this))
+    , _titleSetter(this)
+{
+    setAttribute(Qt::WA_DeleteOnClose, false);  // we delete the mainwin manually
+
+    QtUiSettings uiSettings;
+    QString style = uiSettings.value("Style", QString()).toString();
+    if (!style.isEmpty()) {
+        QApplication::setStyle(style);
+    }
 
-  // Setup Dock Areas
-  setDockNestingEnabled(true);
-  setCorner(Qt::TopLeftCorner, Qt::LeftDockWidgetArea);
-  setCorner(Qt::BottomLeftCorner, Qt::LeftDockWidgetArea);
-  setCorner(Qt::TopRightCorner, Qt::RightDockWidgetArea);
-  setCorner(Qt::BottomRightCorner, Qt::RightDockWidgetArea);
-
-  // Order is sometimes important
-  setupActions();
-  setupBufferWidget();
-  setupMenus();
-  setupTopicWidget();
-  setupNickWidget();
-  setupInputWidget();
-  setupChatMonitor();
-  setupStatusBar();
-  setupToolBars();
-  setupSystray();
-  setupTitleSetter();
-  setupHotList();
+    QApplication::setQuitOnLastWindowClosed(false);
 
-#ifndef HAVE_KDE
-  QtUi::registerNotificationBackend(new TaskbarNotificationBackend(this));
-#  ifndef QT_NO_SYSTEMTRAYICON
-  QtUi::registerNotificationBackend(new SystrayNotificationBackend(this));
-#  endif
-#  ifdef HAVE_PHONON
-  QtUi::registerNotificationBackend(new PhononNotificationBackend(this));
-#  endif
-#  ifdef HAVE_DBUS
-  QtUi::registerNotificationBackend(new DesktopNotificationBackend(this));
-#  endif
+    setWindowTitle("Quassel IRC");
+    setWindowIconText("Quassel IRC");
+    // Set the default icon for all windows
+    QApplication::setWindowIcon(icon::get("quassel"));
+    updateIcon();
+}
 
-#else /* HAVE_KDE */
-  QtUi::registerNotificationBackend(new KNotificationBackend(this));
+void MainWin::init()
+{
+    connect(Client::instance(), &Client::networkCreated, this, &MainWin::clientNetworkCreated);
+    connect(Client::instance(), &Client::networkRemoved, this, &MainWin::clientNetworkRemoved);
+    connect(Client::messageModel(), &QAbstractItemModel::rowsInserted, this, &MainWin::messagesInserted);
+    connect(GraphicalUi::contextMenuActionProvider(), &NetworkModelController::showChannelList, this, &MainWin::showChannelList);
+    connect(Client::instance(), &Client::showChannelList, this, &MainWin::showChannelList);
+    connect(GraphicalUi::contextMenuActionProvider(), &NetworkModelController::showNetworkConfig, this, &MainWin::showNetworkConfig);
+    connect(GraphicalUi::contextMenuActionProvider(), &NetworkModelController::showIgnoreList, this, &MainWin::showIgnoreList);
+    connect(Client::instance(), &Client::showIgnoreList, this, &MainWin::showIgnoreList);
+    connect(Client::instance(), &Client::dbUpgradeInProgress, this, &MainWin::showMigrationWarning);
+    connect(Client::instance(), &Client::exitRequested, this, &MainWin::onExitRequested);
+
+    connect(Client::coreConnection(), &CoreConnection::startCoreSetup, this, &MainWin::showCoreConfigWizard);
+    connect(Client::coreConnection(), &CoreConnection::connectionErrorPopup, this, &MainWin::handleCoreConnectionError);
+    connect(Client::coreConnection(), &CoreConnection::userAuthenticationRequired, this, &MainWin::userAuthenticationRequired);
+    connect(Client::coreConnection(), &CoreConnection::handleNoSslInClient, this, &MainWin::handleNoSslInClient);
+    connect(Client::coreConnection(), &CoreConnection::handleNoSslInCore, this, &MainWin::handleNoSslInCore);
+    connect(Client::coreConnection(), &CoreConnection::handleSslErrors, this, &MainWin::handleSslErrors);
+
+    // Setup Dock Areas
+    setDockNestingEnabled(true);
+    setCorner(Qt::TopLeftCorner, Qt::LeftDockWidgetArea);
+    setCorner(Qt::BottomLeftCorner, Qt::LeftDockWidgetArea);
+    setCorner(Qt::TopRightCorner, Qt::RightDockWidgetArea);
+    setCorner(Qt::BottomRightCorner, Qt::RightDockWidgetArea);
+
+    // Order is sometimes important
+    setupActions();
+    setupBufferWidget();
+    setupMenus();
+    // setupTransferWidget(); not ready yet
+    setupChatMonitor();
+    setupTopicWidget();
+    setupInputWidget();
+    setupNickWidget();
+    setupViewMenuTail();
+    setupStatusBar();
+    setupToolBars();
+    setupSystray();
+    setupTitleSetter();
+    setupHotList();
+
+    _bufferWidget->setFocusProxy(_inputWidget);
+    _chatMonitorView->setFocusProxy(_inputWidget);
+
+#ifndef HAVE_KDE
+#    ifdef HAVE_QTMULTIMEDIA
+    QtUi::registerNotificationBackend(new QtMultimediaNotificationBackend(this));
+#    endif
+    QtUi::registerNotificationBackend(new TaskbarNotificationBackend(this));
+#else  /* HAVE_KDE */
+    QtUi::registerNotificationBackend(new KNotificationBackend(this));
 #endif /* HAVE_KDE */
 
-#ifdef HAVE_INDICATEQT
-  QtUi::registerNotificationBackend(new IndicatorNotificationBackend(this));
+#ifndef QT_NO_SYSTEMTRAYICON
+    QtUi::registerNotificationBackend(new SystrayAnimationNotificationBackend(this));
+#endif
+#ifdef HAVE_LIBSNORE
+    QtUi::registerNotificationBackend(new SnoreNotificationBackend(this));
+#elif !defined(QT_NO_SYSTEMTRAYICON) && !defined(HAVE_KDE)
+    QtUi::registerNotificationBackend(new SystrayNotificationBackend(this));
 #endif
 
-  connect(bufferWidget(), SIGNAL(currentChanged(BufferId)), SLOT(currentBufferChanged(BufferId)));
-
-  setDisconnectedState();  // Disable menus and stuff
+#ifdef HAVE_NOTIFICATION_CENTER
+    QtUi::registerNotificationBackend(new OSXNotificationBackend(this));
+#endif
 
-#ifdef HAVE_KDE
-  setAutoSaveSettings();
+#ifdef HAVE_DBUS
+    QtUi::registerNotificationBackend(new DockManagerNotificationBackend(this));
 #endif
 
-  // restore mainwin state
-  QtUiSettings s;
-  restoreStateFromSettings(s);
+    // we assume that at this point, all configurable actions are defined!
+    QtUi::loadShortcuts();
 
-  // restore locked state of docks
-  QtUi::actionCollection("General")->action("LockLayout")->setChecked(s.value("LockLayout", false).toBool());
+    connect(bufferWidget(), selectOverload<BufferId>(&AbstractBufferContainer::currentChanged), this, &MainWin::currentBufferChanged);
 
-  CoreConnection *conn = Client::coreConnection();
-  if(!conn->connectToCore()) {
-    // No autoconnect selected (or no accounts)
-    showCoreConnectionDlg();
-  }
-}
+    setDisconnectedState();  // Disable menus and stuff
+
+#ifdef HAVE_KDE
+    setAutoSaveSettings();
+#endif
 
-MainWin::~MainWin() {
+    // restore mainwin state
+    QtUiSettings s;
+    restoreStateFromSettings(s);
 
-}
+    // restore locked state of docks
+    QtUi::actionCollection("General")->action("LockLayout")->setChecked(s.value("LockLayout", false).toBool());
+
+    Quassel::registerQuitHandler([this]() {
+        QtUiSettings s;
+        saveStateToSettings(s);
+        saveLayout();
+        // Close all open dialogs and the MainWin, so we can safely kill the Client instance afterwards
+        // Note: This does not quit the application, as quitOnLastWindowClosed is set to false.
+        //       We rely on another quit handler to be registered that actually quits the application.
+        qApp->closeAllWindows();
+    });
 
-void MainWin::quit() {
-  QtUiSettings s;
-  saveStateToSettings(s);
-  saveLayout();
-  QApplication::quit();
+    QTimer::singleShot(0, this, &MainWin::doAutoConnect);
 }
 
-void MainWin::saveStateToSettings(UiSettings &s) {
-  s.setValue("MainWinSize", _normalSize);
-  s.setValue("MainWinPos", _normalPos);
-  s.setValue("MainWinState", saveState());
-  s.setValue("MainWinGeometry", saveGeometry());
-  s.setValue("MainWinMinimized", isMinimized());
-  s.setValue("MainWinMaximized", isMaximized());
-  s.setValue("MainWinHidden", !isVisible());
+void MainWin::saveStateToSettings(UiSettings& s)
+{
+    s.setValue("MainWinSize", _normalSize);
+    s.setValue("MainWinPos", _normalPos);
+    s.setValue("MainWinState", saveState());
+    s.setValue("MainWinGeometry", saveGeometry());
+    s.setValue("MainWinMinimized", isMinimized());
+    s.setValue("MainWinMaximized", isMaximized());
+    s.setValue("MainWinHidden", !isVisible());
+    BufferId lastBufId = Client::bufferModel()->currentBuffer();
+    if (lastBufId.isValid())
+        s.setValue("LastUsedBufferId", lastBufId.toInt());
 
 #ifdef HAVE_KDE
-  saveAutoSaveSettings();
+    saveAutoSaveSettings();
 #endif
 }
 
-void MainWin::restoreStateFromSettings(UiSettings &s) {
-  _normalSize = s.value("MainWinSize", size()).toSize();
-  _normalPos = s.value("MainWinPos", pos()).toPoint();
-  bool maximized = s.value("MainWinMaximized", false).toBool();
+void MainWin::restoreStateFromSettings(UiSettings& s)
+{
+    _normalSize = s.value("MainWinSize", size()).toSize();
+    _normalPos = s.value("MainWinPos", pos()).toPoint();
+    bool maximized = s.value("MainWinMaximized", false).toBool();
 
 #ifndef HAVE_KDE
-  restoreGeometry(s.value("MainWinGeometry").toByteArray());
+    restoreGeometry(s.value("MainWinGeometry").toByteArray());
 
-  if(maximized) {
-    // restoreGeometry() fails if the windows was maximized, so we resize and position explicitly
-    resize(_normalSize);
-    move(_normalPos);
-  }
+    if (maximized) {
+        // restoreGeometry() fails if the windows was maximized, so we resize and position explicitly
+        resize(_normalSize);
+        move(_normalPos);
+    }
 
-  restoreState(s.value("MainWinState").toByteArray());
+    restoreState(s.value("MainWinState").toByteArray());
 
 #else
-  move(_normalPos);
+    move(_normalPos);
 #endif
 
-  if(s.value("MainWinHidden").toBool() && systemTray()->isSystemTrayAvailable())
-    systemTray()->hideMainWidget();
-  else if(s.value("MainWinMinimized").toBool())
-    showMinimized();
-  else if(maximized)
-    showMaximized();
-  else
-    show();
+    if ((Quassel::isOptionSet("hidewindow") || s.value("MainWinHidden").toBool()) && _systemTray->isSystemTrayAvailable())
+        QtUi::hideMainWidget();
+    else if (s.value("MainWinMinimized").toBool())
+        showMinimized();
+    else if (maximized)
+        showMaximized();
+    else
+        show();
+}
+
+QMenu* MainWin::createPopupMenu()
+{
+    QMenu* popupMenu = QMainWindow::createPopupMenu();
+    popupMenu->addSeparator();
+    ActionCollection* coll = QtUi::actionCollection("General");
+    popupMenu->addAction(coll->action("ToggleMenuBar"));
+    return popupMenu;
 }
 
-void MainWin::updateIcon() {
-#ifdef Q_WS_MAC
-  const int size = 128;
+void MainWin::updateIcon()
+{
+    QIcon icon;
+    if (Client::isConnected())
+        icon = icon::get("quassel");
+    else
+        icon = icon::get("inactive-quassel");
+    setWindowIcon(icon);
+}
+
+void MainWin::setupActions()
+{
+    QAction* action{nullptr};
+    ActionCollection* coll = QtUi::actionCollection("General", tr("General"));
+
+    // File
+    coll->addActions(
+        {{"ConnectCore", new Action(icon::get("connect-quassel"), tr("&Connect to Core..."), coll, this, &MainWin::showCoreConnectionDlg)},
+         {"DisconnectCore",
+          new Action(icon::get("disconnect-quassel"), tr("&Disconnect from Core"), coll, Client::instance(), &Client::disconnectFromCore)},
+         {"ChangePassword", new Action(icon::get("dialog-password"), tr("Change &Password..."), coll, this, &MainWin::showPasswordChangeDlg)},
+         {"CoreInfo", new Action(icon::get("help-about"), tr("Core &Info..."), coll, this, &MainWin::showCoreInfoDlg)},
+         {"ConfigureNetworks",
+          new Action(icon::get("configure"), tr("Configure &Networks..."), coll, this, &MainWin::onConfigureNetworksTriggered)},
+         {"Quit", new Action(icon::get("application-exit"), tr("&Quit"), coll, Quassel::instance(), &Quassel::quit, Qt::CTRL + Qt::Key_Q)}});
+
+    // View
+    coll->addAction("ConfigureBufferViews", new Action(tr("&Configure Chat Lists..."), coll, this, &MainWin::onConfigureViewsTriggered));
+
+    coll->addAction("ToggleSearchBar", new Action(icon::get("edit-find"), tr("Show &Search Bar"), coll, QKeySequence::Find))->setCheckable(true);
+    coll->addAction("ShowAwayLog", new Action(tr("Show Away Log"), coll, this, &MainWin::showAwayLog));
+    coll->addAction("ToggleMenuBar", new Action(icon::get("show-menu"), tr("Show &Menubar"), coll))->setCheckable(true);
+    coll->addAction("ToggleStatusBar", new Action(tr("Show Status &Bar"), coll))->setCheckable(true);
+
+    action = coll->addAction("LockLayout", new Action(tr("&Lock Layout"), coll));
+    action->setCheckable(true);
+    connect(action, &QAction::toggled, this, &MainWin::onLockLayoutToggled);
+
+#ifdef HAVE_KDE
+#    if KCONFIGWIDGETS_VERSION < QT_VERSION_CHECK(5, 23, 0)
+    _fullScreenAction = KStandardAction::fullScreen(this, SLOT(onFullScreenToggled()), this, coll);
+#    else
+    _fullScreenAction = KStandardAction::fullScreen(this, &MainWin::onFullScreenToggled, this, coll);
+#    endif
 #else
-  const int size = 48;
+    _fullScreenAction = new Action(icon::get("view-fullscreen"),
+                                   tr("&Full Screen Mode"),
+                                   coll,
+                                   this,
+                                   &MainWin::onFullScreenToggled,
+                                   QKeySequence::FullScreen);
+    _fullScreenAction->setCheckable(true);
+    coll->addAction("ToggleFullScreen", _fullScreenAction);
 #endif
 
-  QPixmap icon;
-  if(Client::isConnected())
-    icon = DesktopIcon("quassel", size);
-  else
-    icon = DesktopIcon("quassel_inactive", size);
-  setWindowIcon(icon);
-  qApp->setWindowIcon(icon);
-}
-
-void MainWin::setupActions() {
-  ActionCollection *coll = QtUi::actionCollection("General");
-  // File
-  coll->addAction("ConnectCore", new Action(SmallIcon("network-connect"), tr("&Connect to Core..."), coll,
-                                             this, SLOT(showCoreConnectionDlg())));
-  coll->addAction("DisconnectCore", new Action(SmallIcon("network-disconnect"), tr("&Disconnect from Core"), coll,
-                                                Client::instance(), SLOT(disconnectFromCore())));
-  coll->addAction("CoreInfo", new Action(SmallIcon("help-about"), tr("Core &Info..."), coll,
-                                          this, SLOT(showCoreInfoDlg())));
-  coll->addAction("ConfigureNetworks", new Action(SmallIcon("configure"), tr("Configure &Networks..."), coll,
-                                              this, SLOT(on_actionConfigureNetworks_triggered())));
-  coll->addAction("Quit", new Action(SmallIcon("application-exit"), tr("&Quit"), coll,
-                                      this, SLOT(quit()), tr("Ctrl+Q")));
-
-  // View
-  coll->addAction("ConfigureBufferViews", new Action(tr("&Configure Chat Lists..."), coll,
-                                             this, SLOT(on_actionConfigureViews_triggered())));
-
-  QAction *lockAct = coll->addAction("LockLayout", new Action(tr("&Lock Layout"), coll));
-  lockAct->setCheckable(true);
-  connect(lockAct, SIGNAL(toggled(bool)), SLOT(on_actionLockLayout_toggled(bool)));
-
-  coll->addAction("ToggleSearchBar", new Action(SmallIcon("edit-find"), tr("Show &Search Bar"), coll,
-                                                0, 0, QKeySequence::Find))->setCheckable(true);
-  coll->addAction("ShowAwayLog", new Action(tr("Show Away Log"), coll,
-                                            this, SLOT(showAwayLog())));
-  coll->addAction("ToggleMenuBar", new Action(SmallIcon("show-menu"), tr("Show &Menubar"), coll,
-                                                0, 0, tr("Ctrl+M")))->setCheckable(true);
-
-  coll->addAction("ToggleStatusBar", new Action(tr("Show Status &Bar"), coll,
-                                                0, 0))->setCheckable(true);
-
-  // Settings
-  coll->addAction("ConfigureQuassel", new Action(SmallIcon("configure"), tr("&Configure Quassel..."), coll,
-                                                  this, SLOT(showSettingsDlg()), tr("F7")));
-
-  // Help
-  coll->addAction("AboutQuassel", new Action(SmallIcon("quassel"), tr("&About Quassel"), coll,
-                                              this, SLOT(showAboutDlg())));
-  coll->addAction("AboutQt", new Action(QIcon(":/pics/qt-logo.png"), tr("About &Qt"), coll,
-                                         qApp, SLOT(aboutQt())));
-  coll->addAction("DebugNetworkModel", new Action(SmallIcon("tools-report-bug"), tr("Debug &NetworkModel"), coll,
-                                       this, SLOT(on_actionDebugNetworkModel_triggered())));
-  coll->addAction("DebugBufferViewOverlay", new Action(SmallIcon("tools-report-bug"), tr("Debug &BufferViewOverlay"), coll,
-                                       this, SLOT(on_actionDebugBufferViewOverlay_triggered())));
-  coll->addAction("DebugMessageModel", new Action(SmallIcon("tools-report-bug"), tr("Debug &MessageModel"), coll,
-                                       this, SLOT(on_actionDebugMessageModel_triggered())));
-  coll->addAction("DebugHotList", new Action(SmallIcon("tools-report-bug"), tr("Debug &HotList"), coll,
-                                       this, SLOT(on_actionDebugHotList_triggered())));
-  coll->addAction("DebugLog", new Action(SmallIcon("tools-report-bug"), tr("Debug &Log"), coll,
-                                       this, SLOT(on_actionDebugLog_triggered())));
-  coll->addAction("ReloadStyle", new Action(SmallIcon("view-refresh"), tr("Reload Stylesheet"), coll,
-                                       QtUi::style(), SLOT(reload()), QKeySequence::Refresh));
-
-  // Navigation
-  coll->addAction("JumpHotBuffer", new Action(tr("Jump to hot chat"), coll,
-                                              this, SLOT(on_jumpHotBuffer_triggered()), QKeySequence(Qt::META + Qt::Key_A)));
-}
-
-void MainWin::setupMenus() {
-  ActionCollection *coll = QtUi::actionCollection("General");
-
-  _fileMenu = menuBar()->addMenu(tr("&File"));
-
-  static const QStringList coreActions = QStringList()
-    << "ConnectCore" << "DisconnectCore" << "CoreInfo";
-
-  QAction *coreAction;
-  foreach(QString actionName, coreActions) {
-    coreAction = coll->action(actionName);
-    _fileMenu->addAction(coreAction);
-    flagRemoteCoreOnly(coreAction);
-  }
-  flagRemoteCoreOnly(_fileMenu->addSeparator());
+    // Settings
+    coll->addAction("ConfigureShortcuts",
+                    new Action(icon::get("configure-shortcuts"), tr("Configure &Shortcuts..."), coll, this, &MainWin::showShortcutsDlg))
+        ->setMenuRole(QAction::NoRole);
+    coll->addAction("ConfigureQuassel",
+                    new Action(icon::get("configure"), tr("&Configure Quassel..."), coll, this, &MainWin::showSettingsDlg, QKeySequence(Qt::Key_F7)))
+        ->setMenuRole(QAction::PreferencesRole);
+
+    // Help
+    coll->addAction("AboutQuassel", new Action(icon::get("quassel"), tr("&About Quassel"), coll, this, &MainWin::showAboutDlg))
+        ->setMenuRole(QAction::AboutRole);
+    coll->addAction("AboutQt", new Action(QIcon(":/pics/qt-logo-32.png"), tr("About &Qt"), coll, qApp, &QApplication::aboutQt))
+        ->setMenuRole(QAction::AboutQtRole);
+    coll->addActions(
+        {{"DebugNetworkModel",
+          new Action(icon::get("tools-report-bug"), tr("Debug &NetworkModel"), coll, this, &MainWin::onDebugNetworkModelTriggered)},
+         {"DebugBufferViewOverlay",
+          new Action(icon::get("tools-report-bug"), tr("Debug &BufferViewOverlay"), coll, this, &MainWin::onDebugBufferViewOverlayTriggered)},
+         {"DebugMessageModel",
+          new Action(icon::get("tools-report-bug"), tr("Debug &MessageModel"), coll, this, &MainWin::onDebugMessageModelTriggered)},
+         {"DebugHotList", new Action(icon::get("tools-report-bug"), tr("Debug &HotList"), coll, this, &MainWin::onDebugHotListTriggered)},
+         {"DebugLog", new Action(icon::get("tools-report-bug"), tr("Debug &Log"), coll, this, &MainWin::onDebugLogTriggered)},
+         {"ShowResourceTree",
+          new Action(icon::get("tools-report-bug"), tr("Show &Resource Tree"), coll, this, &MainWin::onShowResourceTreeTriggered)},
+         {"ReloadStyle",
+          new Action(icon::get("view-refresh"),
+                     tr("Reload Stylesheet"),
+                     coll,
+                     QtUi::style(),
+                     &UiStyle::reload,
+                     QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_R))}});
+
+    // Other
+    coll->addAction("HideCurrentBuffer", new Action(tr("Hide Current Buffer"), coll, this, &MainWin::hideCurrentBuffer, QKeySequence::Close));
+
+    // Text formatting
+    coll = QtUi::actionCollection("TextFormat", tr("Text formatting"));
+
+    coll->addActions(
+        {{"FormatApplyColor",
+          new Action(icon::get("format-text-color"),
+                     tr("Apply foreground color"),
+                     coll,
+                     this,
+                     &MainWin::onFormatApplyColorTriggered,
+                     QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_G))},
+         {"FormatApplyColorFill",
+          new Action(icon::get("format-fill-color"),
+                     tr("Apply background color"),
+                     coll,
+                     this,
+                     &MainWin::onFormatApplyColorFillTriggered,
+                     QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_B))},
+         {"FormatClear",
+          new Action(icon::get("edit-clear"),
+                     tr("Clear formatting"),
+                     coll,
+                     this,
+                     &MainWin::onFormatClearTriggered,
+                     QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_C))},
+         {"FormatBold",
+          new Action(icon::get("format-text-bold"), tr("Toggle bold"), coll, this, &MainWin::onFormatBoldTriggered, QKeySequence::Bold)},
+         {"FormatItalic",
+          new Action(icon::get("format-text-italic"), tr("Toggle italics"), coll, this, &MainWin::onFormatItalicTriggered, QKeySequence::Italic)},
+         {"FormatUnderline",
+          new Action(icon::get("format-text-underline"),
+                     tr("Toggle underline"),
+                     coll,
+                     this,
+                     &MainWin::onFormatUnderlineTriggered,
+                     QKeySequence::Underline)},
+         {"FormatStrikethrough",
+          new Action(icon::get("format-text-strikethrough"),
+                     tr("Toggle strikethrough"),
+                     coll,
+                     this,
+                     &MainWin::onFormatStrikethroughTriggered,
+                     QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_S))}});
+
+    // Navigation
+    coll = QtUi::actionCollection("Navigation", tr("Navigation"));
+
+    coll->addActions(
+        {{"JumpHotBuffer",
+          new Action(tr("Jump to hot chat"), coll, this, &MainWin::onJumpHotBufferTriggered, QKeySequence(Qt::META + Qt::Key_A))},
+         {"ActivateBufferFilter",
+          new Action(tr("Activate the buffer search"), coll, this, &MainWin::onBufferSearchTriggered, QKeySequence(Qt::CTRL + Qt::Key_S))}});
+
+    // Jump keys
+#ifdef Q_OS_MAC
+    const int bindModifier = Qt::ControlModifier | Qt::AltModifier;
+    const int jumpModifier = Qt::ControlModifier;
+#else
+    const int bindModifier = Qt::ControlModifier;
+    const int jumpModifier = Qt::AltModifier;
+#endif
+
+    coll->addAction("BindJumpKey0",
+                    new Action(tr("Set Quick Access #0"), coll, this, &MainWin::bindJumpKey, QKeySequence(bindModifier + Qt::Key_0)))
+        ->setProperty("Index", 0);
+    coll->addAction("BindJumpKey1",
+                    new Action(tr("Set Quick Access #1"), coll, this, &MainWin::bindJumpKey, QKeySequence(bindModifier + Qt::Key_1)))
+        ->setProperty("Index", 1);
+    coll->addAction("BindJumpKey2",
+                    new Action(tr("Set Quick Access #2"), coll, this, &MainWin::bindJumpKey, QKeySequence(bindModifier + Qt::Key_2)))
+        ->setProperty("Index", 2);
+    coll->addAction("BindJumpKey3",
+                    new Action(tr("Set Quick Access #3"), coll, this, &MainWin::bindJumpKey, QKeySequence(bindModifier + Qt::Key_3)))
+        ->setProperty("Index", 3);
+    coll->addAction("BindJumpKey4",
+                    new Action(tr("Set Quick Access #4"), coll, this, &MainWin::bindJumpKey, QKeySequence(bindModifier + Qt::Key_4)))
+        ->setProperty("Index", 4);
+    coll->addAction("BindJumpKey5",
+                    new Action(tr("Set Quick Access #5"), coll, this, &MainWin::bindJumpKey, QKeySequence(bindModifier + Qt::Key_5)))
+        ->setProperty("Index", 5);
+    coll->addAction("BindJumpKey6",
+                    new Action(tr("Set Quick Access #6"), coll, this, &MainWin::bindJumpKey, QKeySequence(bindModifier + Qt::Key_6)))
+        ->setProperty("Index", 6);
+    coll->addAction("BindJumpKey7",
+                    new Action(tr("Set Quick Access #7"), coll, this, &MainWin::bindJumpKey, QKeySequence(bindModifier + Qt::Key_7)))
+        ->setProperty("Index", 7);
+    coll->addAction("BindJumpKey8",
+                    new Action(tr("Set Quick Access #8"), coll, this, &MainWin::bindJumpKey, QKeySequence(bindModifier + Qt::Key_8)))
+        ->setProperty("Index", 8);
+    coll->addAction("BindJumpKey9",
+                    new Action(tr("Set Quick Access #9"), coll, this, &MainWin::bindJumpKey, QKeySequence(bindModifier + Qt::Key_9)))
+        ->setProperty("Index", 9);
+
+    coll->addAction("JumpKey0", new Action(tr("Quick Access #0"), coll, this, &MainWin::onJumpKey, QKeySequence(jumpModifier + Qt::Key_0)))
+        ->setProperty("Index", 0);
+    coll->addAction("JumpKey1", new Action(tr("Quick Access #1"), coll, this, &MainWin::onJumpKey, QKeySequence(jumpModifier + Qt::Key_1)))
+        ->setProperty("Index", 1);
+    coll->addAction("JumpKey2", new Action(tr("Quick Access #2"), coll, this, &MainWin::onJumpKey, QKeySequence(jumpModifier + Qt::Key_2)))
+        ->setProperty("Index", 2);
+    coll->addAction("JumpKey3", new Action(tr("Quick Access #3"), coll, this, &MainWin::onJumpKey, QKeySequence(jumpModifier + Qt::Key_3)))
+        ->setProperty("Index", 3);
+    coll->addAction("JumpKey4", new Action(tr("Quick Access #4"), coll, this, &MainWin::onJumpKey, QKeySequence(jumpModifier + Qt::Key_4)))
+        ->setProperty("Index", 4);
+    coll->addAction("JumpKey5", new Action(tr("Quick Access #5"), coll, this, &MainWin::onJumpKey, QKeySequence(jumpModifier + Qt::Key_5)))
+        ->setProperty("Index", 5);
+    coll->addAction("JumpKey6", new Action(tr("Quick Access #6"), coll, this, &MainWin::onJumpKey, QKeySequence(jumpModifier + Qt::Key_6)))
+        ->setProperty("Index", 6);
+    coll->addAction("JumpKey7", new Action(tr("Quick Access #7"), coll, this, &MainWin::onJumpKey, QKeySequence(jumpModifier + Qt::Key_7)))
+        ->setProperty("Index", 7);
+    coll->addAction("JumpKey8", new Action(tr("Quick Access #8"), coll, this, &MainWin::onJumpKey, QKeySequence(jumpModifier + Qt::Key_8)))
+        ->setProperty("Index", 8);
+    coll->addAction("JumpKey9", new Action(tr("Quick Access #9"), coll, this, &MainWin::onJumpKey, QKeySequence(jumpModifier + Qt::Key_9)))
+        ->setProperty("Index", 9);
+
+    // Buffer navigation
+    coll->addAction("NextBufferView",
+                    new Action(icon::get("go-next-view"),
+                               tr("Activate Next Chat List"),
+                               coll,
+                               this,
+                               &MainWin::nextBufferView,
+                               QKeySequence(QKeySequence::Forward)));
+    coll->addAction("PreviousBufferView",
+                    new Action(icon::get("go-previous-view"),
+                               tr("Activate Previous Chat List"),
+                               coll,
+                               this,
+                               &MainWin::previousBufferView,
+                               QKeySequence::Back));
+    coll->addAction("NextBuffer",
+                    new Action(icon::get("go-down"),
+                               tr("Go to Next Chat"),
+                               coll,
+                               this,
+                               &MainWin::nextBuffer,
+                               QKeySequence(Qt::ALT + Qt::Key_Down)));
+    coll->addAction("PreviousBuffer",
+                    new Action(icon::get("go-up"),
+                               tr("Go to Previous Chat"),
+                               coll,
+                               this,
+                               &MainWin::previousBuffer,
+                               QKeySequence(Qt::ALT + Qt::Key_Up)));
+}
+
+void MainWin::setupMenus()
+{
+    ActionCollection* coll = QtUi::actionCollection("General");
+
+    _fileMenu = menuBar()->addMenu(tr("&File"));
+
+    static const QStringList coreActions = QStringList() << "ConnectCore"
+                                                         << "DisconnectCore"
+                                                         << "ChangePassword"
+                                                         << "CoreInfo";
+
+    QAction* coreAction;
+    foreach (QString actionName, coreActions) {
+        coreAction = coll->action(actionName);
+        _fileMenu->addAction(coreAction);
+        flagRemoteCoreOnly(coreAction);
+    }
+    flagRemoteCoreOnly(_fileMenu->addSeparator());
 
-  _networksMenu = _fileMenu->addMenu(tr("&Networks"));
-  _networksMenu->addAction(coll->action("ConfigureNetworks"));
-  _networksMenu->addSeparator();
-  _fileMenu->addSeparator();
-  _fileMenu->addAction(coll->action("Quit"));
+    _networksMenu = _fileMenu->addMenu(tr("&Networks"));
+    _networksMenu->addAction(coll->action("ConfigureNetworks"));
+    _networksMenu->addSeparator();
+    _fileMenu->addSeparator();
+    _fileMenu->addAction(coll->action("Quit"));
 
-  _viewMenu = menuBar()->addMenu(tr("&View"));
-  _bufferViewsMenu = _viewMenu->addMenu(tr("&Chat Lists"));
-  _bufferViewsMenu->addAction(coll->action("ConfigureBufferViews"));
-  _toolbarMenu = _viewMenu->addMenu(tr("&Toolbars"));
-  _viewMenu->addSeparator();
+    _viewMenu = menuBar()->addMenu(tr("&View"));
+    _bufferViewsMenu = _viewMenu->addMenu(tr("&Chat Lists"));
+    _bufferViewsMenu->addAction(coll->action("ConfigureBufferViews"));
+    _toolbarMenu = _viewMenu->addMenu(tr("&Toolbars"));
+    _viewMenu->addSeparator();
 
-  _viewMenu->addAction(coll->action("ToggleMenuBar"));
-  _viewMenu->addAction(coll->action("ToggleStatusBar"));
-  _viewMenu->addAction(coll->action("ToggleSearchBar"));
+    _viewMenu->addAction(coll->action("ToggleMenuBar"));
+    _viewMenu->addAction(coll->action("ToggleStatusBar"));
+    _viewMenu->addAction(coll->action("ToggleSearchBar"));
 
-  coreAction = coll->action("ShowAwayLog");
-  flagRemoteCoreOnly(coreAction);
-  _viewMenu->addAction(coreAction);
+    coreAction = coll->action("ShowAwayLog");
+    flagRemoteCoreOnly(coreAction);
+    _viewMenu->addAction(coreAction);
 
-  _viewMenu->addSeparator();
-  _viewMenu->addAction(coll->action("LockLayout"));
+    _viewMenu->addSeparator();
+    _viewMenu->addAction(coll->action("LockLayout"));
 
-  _settingsMenu = menuBar()->addMenu(tr("&Settings"));
+    _settingsMenu = menuBar()->addMenu(tr("&Settings"));
 #ifdef HAVE_KDE
-  _settingsMenu->addAction(KStandardAction::configureNotifications(this, SLOT(showNotificationsDlg()), this));
-  _settingsMenu->addAction(KStandardAction::keyBindings(this, SLOT(showShortcutsDlg()), this));
+#    if KCONFIGWIDGETS_VERSION < QT_VERSION_CHECK(5, 23, 0)
+    _settingsMenu->addAction(KStandardAction::configureNotifications(this, SLOT(showNotificationsDlg()), this));
+    _settingsMenu->addAction(KStandardAction::keyBindings(this, SLOT(showShortcutsDlg()), this));
+#    else
+    _settingsMenu->addAction(KStandardAction::configureNotifications(this, &MainWin::showNotificationsDlg, this));
+    _settingsMenu->addAction(KStandardAction::keyBindings(this, &MainWin::showShortcutsDlg, this));
+#    endif
+#else
+    _settingsMenu->addAction(coll->action("ConfigureShortcuts"));
 #endif
-  _settingsMenu->addAction(coll->action("ConfigureQuassel"));
+    _settingsMenu->addAction(coll->action("ConfigureQuassel"));
 
-  _helpMenu = menuBar()->addMenu(tr("&Help"));
-  _helpMenu->addAction(coll->action("AboutQuassel"));
+    _helpMenu = menuBar()->addMenu(tr("&Help"));
+
+    _helpMenu->addAction(coll->action("AboutQuassel"));
 #ifndef HAVE_KDE
-  _helpMenu->addAction(coll->action("AboutQt"));
+    _helpMenu->addAction(coll->action("AboutQt"));
 #else
-  _helpMenu->addAction(KStandardAction::aboutKDE(_kHelpMenu, SLOT(aboutKDE()), this));
+#    if KCONFIGWIDGETS_VERSION < QT_VERSION_CHECK(5, 23, 0)
+    _helpMenu->addAction(KStandardAction::aboutKDE(_kHelpMenu, SLOT(aboutKDE()), this));
+#    else
+    _helpMenu->addAction(KStandardAction::aboutKDE(_kHelpMenu, &KHelpMenu::aboutKDE, this));
+#    endif
 #endif
-  _helpMenu->addSeparator();
-  _helpDebugMenu = _helpMenu->addMenu(SmallIcon("tools-report-bug"), tr("Debug"));
-  _helpDebugMenu->addAction(coll->action("DebugNetworkModel"));
-  _helpDebugMenu->addAction(coll->action("DebugBufferViewOverlay"));
-  _helpDebugMenu->addAction(coll->action("DebugMessageModel"));
-  _helpDebugMenu->addAction(coll->action("DebugHotList"));
-  _helpDebugMenu->addAction(coll->action("DebugLog"));
-  _helpDebugMenu->addSeparator();
-  _helpDebugMenu->addAction(coll->action("ReloadStyle"));
+    _helpMenu->addSeparator();
+    _helpDebugMenu = _helpMenu->addMenu(icon::get("tools-report-bug"), tr("Debug"));
+    _helpDebugMenu->addAction(coll->action("DebugNetworkModel"));
+    _helpDebugMenu->addAction(coll->action("DebugBufferViewOverlay"));
+    _helpDebugMenu->addAction(coll->action("DebugMessageModel"));
+    _helpDebugMenu->addAction(coll->action("DebugHotList"));
+    _helpDebugMenu->addAction(coll->action("DebugLog"));
+    _helpDebugMenu->addAction(coll->action("ShowResourceTree"));
+    _helpDebugMenu->addSeparator();
+    _helpDebugMenu->addAction(coll->action("ReloadStyle"));
+
+    // Toggle visibility
+    QAction* showMenuBar = QtUi::actionCollection("General")->action("ToggleMenuBar");
+
+    QtUiSettings uiSettings;
+    bool enabled = uiSettings.value("ShowMenuBar", QVariant(true)).toBool();
+    showMenuBar->setChecked(enabled);
+    enabled ? menuBar()->show() : menuBar()->hide();
+
+    connect(showMenuBar, &QAction::toggled, menuBar(), &QMenuBar::setVisible);
+    connect(showMenuBar, &QAction::toggled, this, &MainWin::saveMenuBarStatus);
+}
+
+void MainWin::setupBufferWidget()
+{
+    _bufferWidget = new BufferWidget(this);
+    _bufferWidget->setModel(Client::bufferModel());
+    _bufferWidget->setSelectionModel(Client::bufferModel()->standardSelectionModel());
+    setCentralWidget(_bufferWidget);
+}
+
+void MainWin::addBufferView(int bufferViewConfigId)
+{
+    addBufferView(Client::bufferViewManager()->clientBufferViewConfig(bufferViewConfigId));
+}
+
+void MainWin::addBufferView(ClientBufferViewConfig* config)
+{
+    if (!config)
+        return;
+
+    config->setLocked(QtUiSettings().value("LockLayout", false).toBool());
+    auto* dock = new BufferViewDock(config, this);
+
+    // create the view and initialize it's filter
+    auto* view = new BufferView(dock);
+    view->setFilteredModel(Client::bufferModel(), config);
+    view->installEventFilter(_inputWidget);  // for key presses
+
+    Client::bufferModel()->synchronizeView(view);
+
+    dock->setLocked(QtUiSettings().value("LockLayout", false).toBool());
+
+    dock->setWidget(view);
+    dock->setVisible(_layoutLoaded);  // don't show before state has been restored
+
+    addDockWidget(Qt::LeftDockWidgetArea, dock);
+    _bufferViewsMenu->addAction(dock->toggleViewAction());
+
+    connect(dock->toggleViewAction(), &QAction::toggled, this, &MainWin::bufferViewToggled);
+    connect(dock, &QDockWidget::visibilityChanged, this, &MainWin::bufferViewVisibilityChanged);
+    _bufferViews.append(dock);
+
+    if (!activeBufferView())
+        nextBufferView();
+}
 
-  // Toggle visibility
-  QAction *showMenuBar = QtUi::actionCollection("General")->action("ToggleMenuBar");
+void MainWin::removeBufferView(int bufferViewConfigId)
+{
+    QVariant actionData;
+    BufferViewDock* dock;
+    foreach (QAction* action, _bufferViewsMenu->actions()) {
+        actionData = action->data();
+        if (!actionData.isValid())
+            continue;
+
+        dock = qobject_cast<BufferViewDock*>(action->parent());
+        if (dock && actionData.toInt() == bufferViewConfigId) {
+            removeAction(action);
+            Client::bufferViewOverlay()->removeView(dock->bufferViewId());
+            _bufferViews.removeAll(dock);
+
+            if (dock->isActive()) {
+                dock->setActive(false);
+                _activeBufferViewIndex = -1;
+                nextBufferView();
+            }
+
+            dock->deleteLater();
+        }
+    }
+}
+
+void MainWin::bufferViewToggled(bool enabled)
+{
+    if (!enabled && !isMinimized()) {
+        // hiding the mainwindow triggers a toggle of the bufferview (which pretty much sucks big time)
+        // since this isn't our fault and we can't do anything about it, we suppress the resulting calls
+        return;
+    }
+    auto* action = qobject_cast<QAction*>(sender());
+    Q_ASSERT(action);
+    auto* dock = qobject_cast<BufferViewDock*>(action->parent());
+    Q_ASSERT(dock);
 
-  QtUiSettings uiSettings;
-  bool enabled = uiSettings.value("ShowMenuBar", QVariant(true)).toBool();
-  showMenuBar->setChecked(enabled);
-  enabled ? menuBar()->show() : menuBar()->hide();
+    // Make sure we don't toggle backlog fetch for a view we've already removed
+    if (!_bufferViews.contains(dock))
+        return;
 
-  connect(showMenuBar, SIGNAL(toggled(bool)), menuBar(), SLOT(setVisible(bool)));
-  connect(showMenuBar, SIGNAL(toggled(bool)), this, SLOT(saveMenuBarStatus(bool)));
+    if (enabled)
+        Client::bufferViewOverlay()->addView(dock->bufferViewId());
+    else
+        Client::bufferViewOverlay()->removeView(dock->bufferViewId());
 }
 
-void MainWin::setupBufferWidget() {
-  _bufferWidget = new BufferWidget(this);
-  _bufferWidget->setModel(Client::bufferModel());
-  _bufferWidget->setSelectionModel(Client::bufferModel()->standardSelectionModel());
-  setCentralWidget(_bufferWidget);
+void MainWin::bufferViewVisibilityChanged(bool visible)
+{
+    Q_UNUSED(visible);
+    auto* dock = qobject_cast<BufferViewDock*>(sender());
+    Q_ASSERT(dock);
+    if ((!dock->isHidden() && !activeBufferView()) || (dock->isHidden() && dock->isActive()))
+        nextBufferView();
 }
 
-void MainWin::addBufferView(int bufferViewConfigId) {
-  addBufferView(Client::bufferViewManager()->clientBufferViewConfig(bufferViewConfigId));
+BufferView* MainWin::allBuffersView() const
+{
+    // "All Buffers" is always the first dock created
+    if (_bufferViews.count() > 0)
+        return _bufferViews[0]->bufferView();
+    return nullptr;
 }
 
-void MainWin::addBufferView(ClientBufferViewConfig *config) {
-  if(!config)
-    return;
+BufferView* MainWin::activeBufferView() const
+{
+    if (_activeBufferViewIndex < 0 || _activeBufferViewIndex >= _bufferViews.count())
+        return nullptr;
+    BufferViewDock* dock = _bufferViews.at(_activeBufferViewIndex);
+    return dock->isActive() ? dock->bufferView() : nullptr;
+}
 
-  config->setLocked(QtUiSettings().value("LockLayout", false).toBool());
-  BufferViewDock *dock = new BufferViewDock(config, this);
+void MainWin::changeActiveBufferView(int bufferViewId)
+{
+    if (bufferViewId < 0)
+        return;
 
-  //create the view and initialize it's filter
-  BufferView *view = new BufferView(dock);
-  view->setFilteredModel(Client::bufferModel(), config);
-  view->installEventFilter(_inputWidget); // for key presses
+    if (_activeBufferViewIndex >= 0 && _activeBufferViewIndex < _bufferViews.count()) {
+        _bufferViews[_activeBufferViewIndex]->setActive(false);
+        _activeBufferViewIndex = -1;
+    }
 
-  Client::bufferModel()->synchronizeView(view);
+    for (int i = 0; i < _bufferViews.count(); i++) {
+        BufferViewDock* dock = _bufferViews.at(i);
+        if (dock->bufferViewId() == bufferViewId && !dock->isHidden()) {
+            _activeBufferViewIndex = i;
+            dock->setActive(true);
+            return;
+        }
+    }
 
-  dock->setWidget(view);
-  dock->setVisible(_layoutLoaded); // don't show before state has been restored
+    nextBufferView();  // fallback
+}
 
-  addDockWidget(Qt::LeftDockWidgetArea, dock);
-  _bufferViewsMenu->addAction(dock->toggleViewAction());
+void MainWin::showPasswordChangeDlg()
+{
+    if (Client::isCoreFeatureEnabled(Quassel::Feature::PasswordChange)) {
+        PasswordChangeDlg{}.exec();
+    }
+    else {
+        QMessageBox box(QMessageBox::Warning,
+                        tr("Feature Not Supported"),
+                        tr("<b>Your Quassel Core does not support this feature</b>"),
+                        QMessageBox::Ok);
+        box.setInformativeText(tr("You need a Quassel Core v0.12.0 or newer in order to be able to remotely change your password."));
+        box.exec();
+    }
+}
 
-  connect(dock->toggleViewAction(), SIGNAL(toggled(bool)), this, SLOT(bufferViewToggled(bool)));
-  _bufferViews.append(dock);
+void MainWin::showMigrationWarning(bool show)
+{
+    if (show && !_migrationWarning) {
+        _migrationWarning = new QMessageBox(QMessageBox::Information,
+                                            tr("Upgrading..."),
+                                            "<b>" + tr("Your database is being upgraded") + "</b>",
+                                            QMessageBox::NoButton,
+                                            this);
+        _migrationWarning->setInformativeText(
+            "<p>" + tr("In order to support new features, we need to make changes to your backlog database. This may take a long while.")
+            + "</p><p>" + tr("Do not exit Quassel until the upgrade is complete!") + "</p>");
+        _migrationWarning->setStandardButtons(QMessageBox::NoButton);
+        _migrationWarning->show();
+    }
+    else if (!show && _migrationWarning) {
+        _migrationWarning->close();
+        _migrationWarning->deleteLater();
+        _migrationWarning = nullptr;
+    }
 }
 
-void MainWin::removeBufferView(int bufferViewConfigId) {
-  QVariant actionData;
-  BufferViewDock *dock;
-  foreach(QAction *action, _bufferViewsMenu->actions()) {
-    actionData = action->data();
-    if(!actionData.isValid())
-      continue;
+void MainWin::onExitRequested(const QString& reason)
+{
+    if (!reason.isEmpty()) {
+        QMessageBox box(QMessageBox::Critical,
+                        tr("Fatal error"),
+                        "<b>" + tr("Quassel encountered a fatal error and is terminated.") + "</b>",
+                        QMessageBox::Ok);
+        box.setInformativeText("<p>" + tr("Reason:<em>") + " " + reason + "</em>");
+        box.exec();
+    }
+}
 
-    dock = qobject_cast<BufferViewDock *>(action->parent());
-    if(dock && actionData.toInt() == bufferViewConfigId) {
-      removeAction(action);
-      _bufferViews.removeAll(dock);
-      Client::bufferViewOverlay()->removeView(dock->bufferViewId());
-      dock->deleteLater();
+void MainWin::changeActiveBufferView(bool backwards)
+{
+    if (_activeBufferViewIndex >= 0 && _activeBufferViewIndex < _bufferViews.count()) {
+        _bufferViews[_activeBufferViewIndex]->setActive(false);
     }
-  }
-}
-
-void MainWin::bufferViewToggled(bool enabled) {
-  QAction *action = qobject_cast<QAction *>(sender());
-  Q_ASSERT(action);
-  BufferViewDock *dock = qobject_cast<BufferViewDock *>(action->parent());
-  Q_ASSERT(dock);
-
-  // Make sure we don't toggle backlog fetch for a view we've already removed
-  if(!_bufferViews.contains(dock))
-    return;
-
-  if(enabled) {
-    Client::bufferViewOverlay()->addView(dock->bufferViewId());
-    BufferViewConfig *config = dock->config();
-    if(config && config->isInitialized()) {
-      BufferIdList buffers;
-      if(config->networkId().isValid()) {
-        foreach(BufferId bufferId, config->bufferList()) {
-          if(Client::networkModel()->networkId(bufferId) == config->networkId())
-            buffers << bufferId;
+
+    if (!_bufferViews.count())
+        return;
+
+    int c = _bufferViews.count();
+    while (c--) {  // yes, this will reactivate the current active one if all others fail
+        if (backwards) {
+            if (--_activeBufferViewIndex < 0)
+                _activeBufferViewIndex = _bufferViews.count() - 1;
         }
-        foreach(BufferId bufferId, config->temporarilyRemovedBuffers().toList()) {
-          if(Client::networkModel()->networkId(bufferId) == config->networkId())
-            buffers << bufferId;
+        else {
+            if (++_activeBufferViewIndex >= _bufferViews.count())
+                _activeBufferViewIndex = 0;
         }
-      } else {
-        buffers = BufferIdList::fromSet(config->bufferList().toSet() + config->temporarilyRemovedBuffers());
-      }
-      Client::backlogManager()->checkForBacklog(buffers);
+
+        BufferViewDock* dock = _bufferViews.at(_activeBufferViewIndex);
+        if (dock->isHidden())
+            continue;
+
+        dock->setActive(true);
+        return;
     }
-  } else {
-    Client::bufferViewOverlay()->removeView(dock->bufferViewId());
-  }
+
+    _activeBufferViewIndex = -1;
+}
+
+void MainWin::nextBufferView()
+{
+    changeActiveBufferView(false);
 }
 
-BufferView *MainWin::allBuffersView() const {
-  // "All Buffers" is always the first dock created
-  if(_bufferViews.count() > 0)
-    return _bufferViews[0]->bufferView();
-  return 0;
+void MainWin::previousBufferView()
+{
+    changeActiveBufferView(true);
 }
 
-void MainWin::showNotificationsDlg() {
-  SettingsPageDlg dlg(new NotificationsSettingsPage(this), this);
-  dlg.exec();
+void MainWin::nextBuffer()
+{
+    BufferView* view = activeBufferView();
+    if (view)
+        view->nextBuffer();
 }
 
-void MainWin::on_actionConfigureNetworks_triggered() {
-  SettingsPageDlg dlg(new NetworksSettingsPage(this), this);
-  dlg.exec();
+void MainWin::previousBuffer()
+{
+    BufferView* view = activeBufferView();
+    if (view)
+        view->previousBuffer();
 }
 
-void MainWin::on_actionConfigureViews_triggered() {
-  SettingsPageDlg dlg(new BufferViewSettingsPage(this), this);
-  dlg.exec();
+void MainWin::hideCurrentBuffer()
+{
+    BufferView* view = activeBufferView();
+    if (view)
+        view->hideCurrentBuffer();
 }
 
-void MainWin::on_actionLockLayout_toggled(bool lock) {
-  QList<VerticalDock *> docks = findChildren<VerticalDock *>();
-  foreach(VerticalDock *dock, docks) {
-    dock->showTitle(!lock);
-  }
-  if(Client::bufferViewManager()) {
-    foreach(ClientBufferViewConfig *config, Client::bufferViewManager()->clientBufferViewConfigs()) {
-      config->setLocked(lock);
-    }
-  }
-  QtUiSettings().setValue("LockLayout", lock);
+void MainWin::showNotificationsDlg()
+{
+    SettingsPageDlg{new NotificationsSettingsPage{}}.exec();
+}
+
+void MainWin::onConfigureNetworksTriggered()
+{
+    SettingsPageDlg{new NetworksSettingsPage{}}.exec();
+}
+
+void MainWin::onConfigureViewsTriggered()
+{
+    SettingsPageDlg{new BufferViewSettingsPage{}}.exec();
 }
 
-void MainWin::setupNickWidget() {
-  // create nick dock
-  NickListDock *nickDock = new NickListDock(tr("Nicks"), this);
-  nickDock->setObjectName("NickDock");
-  nickDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
+void MainWin::onLockLayoutToggled(bool lock)
+{
+    QList<VerticalDock*> docks = findChildren<VerticalDock*>();
+    foreach (VerticalDock* dock, docks) {
+        dock->showTitle(!lock);
+    }
+
+    QList<NickListDock*> nickdocks = findChildren<NickListDock*>();
+    foreach (NickListDock* nickdock, nickdocks) {
+        nickdock->setLocked(lock);
+    }
 
-  _nickListWidget = new NickListWidget(nickDock);
-  nickDock->setWidget(_nickListWidget);
+    QList<BufferViewDock*> bufferdocks = findChildren<BufferViewDock*>();
+    foreach (BufferViewDock* bufferdock, bufferdocks) {
+        bufferdock->setLocked(lock);
+    }
 
-  addDockWidget(Qt::RightDockWidgetArea, nickDock);
-  _viewMenu->addAction(nickDock->toggleViewAction());
-  nickDock->toggleViewAction()->setText(tr("Show Nick List"));
+    if (Client::bufferViewManager()) {
+        foreach (ClientBufferViewConfig* config, Client::bufferViewManager()->clientBufferViewConfigs()) {
+            config->setLocked(lock);
+        }
+    }
 
-  // See NickListDock::NickListDock();
-  // connect(nickDock->toggleViewAction(), SIGNAL(triggered(bool)), nickListWidget, SLOT(showWidget(bool)));
+    _mainToolBar->setMovable(!lock);
+    _nickToolBar->setMovable(!lock);
 
-  // attach the NickListWidget to the BufferModel and the default selection
-  _nickListWidget->setModel(Client::bufferModel());
-  _nickListWidget->setSelectionModel(Client::bufferModel()->standardSelectionModel());
+    QtUiSettings().setValue("LockLayout", lock);
 }
 
-void MainWin::setupChatMonitor() {
-  VerticalDock *dock = new VerticalDock(tr("Chat Monitor"), this);
-  dock->setObjectName("ChatMonitorDock");
+void MainWin::setupNickWidget()
+{
+    // create nick dock
+    NickListDock* nickDock = new NickListDock(tr("Nicks"), this);
+    nickDock->setObjectName("NickDock");
+    nickDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
+    nickDock->setLocked(QtUiSettings().value("LockLayout", false).toBool());
+
+    _nickListWidget = new NickListWidget(nickDock);
+    nickDock->setWidget(_nickListWidget);
+
+    addDockWidget(Qt::RightDockWidgetArea, nickDock);
+    _viewMenu->addAction(nickDock->toggleViewAction());
+    nickDock->toggleViewAction()->setText(tr("Show Nick List"));
+
+    // See NickListDock::NickListDock();
+    // connect(nickDock->toggleViewAction(), &NickListDock::triggered, nickListWidget, &QWidget::showWidget);
 
-  ChatMonitorFilter *filter = new ChatMonitorFilter(Client::messageModel(), this);
-  _chatMonitorView = new ChatMonitorView(filter, this);
-  _chatMonitorView->setFocusProxy(_inputWidget);
-  _chatMonitorView->show();
-  dock->setWidget(_chatMonitorView);
-  dock->hide();
+    // attach the NickListWidget to the BufferModel and the default selection
+    _nickListWidget->setModel(Client::bufferModel());
+    _nickListWidget->setSelectionModel(Client::bufferModel()->standardSelectionModel());
 
-  addDockWidget(Qt::TopDockWidgetArea, dock, Qt::Vertical);
-  _viewMenu->addAction(dock->toggleViewAction());
-  dock->toggleViewAction()->setText(tr("Show Chat Monitor"));
+    _nickListWidget->setVisible(false);
 }
 
-void MainWin::setupInputWidget() {
-  VerticalDock *dock = new VerticalDock(tr("Inputline"), this);
-  dock->setObjectName("InputDock");
+void MainWin::setupChatMonitor()
+{
+    VerticalDock* dock = new VerticalDock(tr("Chat Monitor"), this);
+    dock->setObjectName("ChatMonitorDock");
+
+    auto* filter = new ChatMonitorFilter(Client::messageModel(), this);
+    _chatMonitorView = new ChatMonitorView(filter, this);
+    _chatMonitorView->show();
+    dock->setWidget(_chatMonitorView);
+    dock->hide();
 
-  _inputWidget = new InputWidget(dock);
-  dock->setWidget(_inputWidget);
+    addDockWidget(Qt::TopDockWidgetArea, dock, Qt::Vertical);
+    _viewMenu->addAction(dock->toggleViewAction());
+    dock->toggleViewAction()->setText(tr("Show Chat Monitor"));
+}
 
-  addDockWidget(Qt::BottomDockWidgetArea, dock);
+void MainWin::setupInputWidget()
+{
+    VerticalDock* dock = new VerticalDock(tr("Inputline"), this);
+    dock->setObjectName("InputDock");
 
-  _viewMenu->addAction(dock->toggleViewAction());
-  dock->toggleViewAction()->setText(tr("Show Input Line"));
+    _inputWidget = new InputWidget(dock);
+    dock->setWidget(_inputWidget);
 
-  _inputWidget->setModel(Client::bufferModel());
-  _inputWidget->setSelectionModel(Client::bufferModel()->standardSelectionModel());
+    addDockWidget(Qt::BottomDockWidgetArea, dock);
 
-  _bufferWidget->setFocusProxy(_inputWidget);
+    _viewMenu->addAction(dock->toggleViewAction());
+    dock->toggleViewAction()->setText(tr("Show Input Line"));
 
-  _inputWidget->inputLine()->installEventFilter(_bufferWidget);
+    _inputWidget->setModel(Client::bufferModel());
+    _inputWidget->setSelectionModel(Client::bufferModel()->standardSelectionModel());
 
-  connect(_topicWidget, SIGNAL(switchedPlain()), _bufferWidget, SLOT(setFocus()));
+    _inputWidget->inputLine()->installEventFilter(_bufferWidget);
 }
 
-void MainWin::setupTopicWidget() {
-  VerticalDock *dock = new VerticalDock(tr("Topic"), this);
-  dock->setObjectName("TopicDock");
-  _topicWidget = new TopicWidget(dock);
+void MainWin::setupTopicWidget()
+{
+    VerticalDock* dock = new VerticalDock(tr("Topic"), this);
+    dock->setObjectName("TopicDock");
+    _topicWidget = new TopicWidget(dock);
+
+    dock->setWidget(_topicWidget);
+
+    _topicWidget->setModel(Client::bufferModel());
+    _topicWidget->setSelectionModel(Client::bufferModel()->standardSelectionModel());
 
-  dock->setWidget(_topicWidget);
+    connect(_topicWidget, &TopicWidget::switchedPlain, _bufferWidget, selectOverload<>(&QWidget::setFocus));
+
+    addDockWidget(Qt::TopDockWidgetArea, dock, Qt::Vertical);
+
+    _viewMenu->addAction(dock->toggleViewAction());
+    dock->toggleViewAction()->setText(tr("Show Topic Line"));
+}
+
+void MainWin::setupTransferWidget()
+{
+    auto dock = new QDockWidget(tr("Transfers"), this);
+    dock->setObjectName("TransferDock");
+    dock->setAllowedAreas(Qt::TopDockWidgetArea | Qt::BottomDockWidgetArea);
 
-  _topicWidget->setModel(Client::bufferModel());
-  _topicWidget->setSelectionModel(Client::bufferModel()->standardSelectionModel());
+    auto view = new QTableView(dock);  // to be replaced by the real thing
+    view->setModel(Client::transferModel());
+    dock->setWidget(view);
+    dock->hide();  // hidden by default
+    addDockWidget(Qt::TopDockWidgetArea, dock, Qt::Vertical);
 
-  addDockWidget(Qt::TopDockWidgetArea, dock, Qt::Vertical);
+    auto action = dock->toggleViewAction();
+    action->setText(tr("Show File Transfers"));
+    action->setIcon(icon::get("download"));
+    action->setShortcut(QKeySequence(Qt::Key_F6));
+    QtUi::actionCollection("General")->addAction("ShowTransferWidget", action);
+    _viewMenu->addAction(action);
+}
 
-  _viewMenu->addAction(dock->toggleViewAction());
-  dock->toggleViewAction()->setText(tr("Show Topic Line"));
+void MainWin::setupViewMenuTail()
+{
+    _viewMenu->addSeparator();
+    _viewMenu->addAction(_fullScreenAction);
 }
 
-void MainWin::setupTitleSetter() {
-  _titleSetter.setModel(Client::bufferModel());
-  _titleSetter.setSelectionModel(Client::bufferModel()->standardSelectionModel());
+void MainWin::setupTitleSetter()
+{
+    _titleSetter.setModel(Client::bufferModel());
+    _titleSetter.setSelectionModel(Client::bufferModel()->standardSelectionModel());
 }
 
-void MainWin::setupStatusBar() {
-  // MessageProcessor progress
-  statusBar()->addPermanentWidget(_msgProcessorStatusWidget);
+void MainWin::setupStatusBar()
+{
+    // MessageProcessor progress
+    statusBar()->addPermanentWidget(_msgProcessorStatusWidget);
 
-  // Connection state
-  _coreConnectionStatusWidget->update();
-  statusBar()->addPermanentWidget(_coreConnectionStatusWidget);
+    // Connection state
+    _coreConnectionStatusWidget->update();
+    statusBar()->addPermanentWidget(_coreConnectionStatusWidget);
 
-  QAction *showStatusbar = QtUi::actionCollection("General")->action("ToggleStatusBar");
+    QAction* showStatusbar = QtUi::actionCollection("General")->action("ToggleStatusBar");
 
-  QtUiSettings uiSettings;
+    QtUiSettings uiSettings;
 
-  bool enabled = uiSettings.value("ShowStatusBar", QVariant(true)).toBool();
-  showStatusbar->setChecked(enabled);
-  enabled ? statusBar()->show() : statusBar()->hide();
+    bool enabled = uiSettings.value("ShowStatusBar", QVariant(true)).toBool();
+    showStatusbar->setChecked(enabled);
+    enabled ? statusBar()->show() : statusBar()->hide();
 
-  connect(showStatusbar, SIGNAL(toggled(bool)), statusBar(), SLOT(setVisible(bool)));
-  connect(showStatusbar, SIGNAL(toggled(bool)), this, SLOT(saveStatusBarStatus(bool)));
+    connect(showStatusbar, &QAction::toggled, statusBar(), &QWidget::setVisible);
+    connect(showStatusbar, &QAction::toggled, this, &MainWin::saveStatusBarStatus);
 
-  connect(Client::coreConnection(), SIGNAL(connectionMsg(QString)), statusBar(), SLOT(showMessage(QString)));
+    connect(Client::coreConnection(), &CoreConnection::connectionMsg, statusBar(), [statusBar = statusBar()](auto&& message) {
+        statusBar->showMessage(message);
+    });
 }
 
-void MainWin::setupHotList() {
-  FlatProxyModel *flatProxy = new FlatProxyModel(this);
-  flatProxy->setSourceModel(Client::bufferModel());
-  _bufferHotList = new BufferHotListFilter(flatProxy);
+void MainWin::setupHotList()
+{
+    auto* flatProxy = new FlatProxyModel(this);
+    flatProxy->setSourceModel(Client::bufferModel());
+    _bufferHotList = new BufferHotListFilter(flatProxy);
 }
 
-void MainWin::saveMenuBarStatus(bool enabled) {
-  QtUiSettings uiSettings;
-  uiSettings.setValue("ShowMenuBar", enabled);
+void MainWin::saveMenuBarStatus(bool enabled)
+{
+    QtUiSettings uiSettings;
+    uiSettings.setValue("ShowMenuBar", enabled);
 }
 
-void MainWin::saveStatusBarStatus(bool enabled) {
-  QtUiSettings uiSettings;
-  uiSettings.setValue("ShowStatusBar", enabled);
+void MainWin::saveStatusBarStatus(bool enabled)
+{
+    QtUiSettings uiSettings;
+    uiSettings.setValue("ShowStatusBar", enabled);
 }
 
-void MainWin::setupSystray() {
-#ifndef QT_NO_SYSTEMTRAYICON
-  _systemTray = new LegacySystemTray(this);
+void MainWin::setupSystray()
+{
+#ifdef HAVE_DBUS
+    _systemTray = new StatusNotifierItem(this);
+#elif !defined QT_NO_SYSTEMTRAYICON
+    _systemTray = new LegacySystemTray(this);
 #else
-  _systemTray = new SystemTray(this); // dummy
+    _systemTray = new SystemTray(this);  // dummy
 #endif
-  _systemTray->init();
 }
 
-void MainWin::setupToolBars() {
-  connect(_bufferWidget, SIGNAL(currentChanged(QModelIndex)),
-          QtUi::toolBarActionProvider(), SLOT(currentBufferChanged(QModelIndex)));
-  connect(_nickListWidget, SIGNAL(nickSelectionChanged(QModelIndexList)),
-          QtUi::toolBarActionProvider(), SLOT(nickSelectionChanged(QModelIndexList)));
+void MainWin::setupToolBars()
+{
+    connect(_bufferWidget,
+            selectOverload<const QModelIndex&>(&AbstractBufferContainer::currentChanged),
+            QtUi::toolBarActionProvider(),
+            &ToolBarActionProvider::onCurrentBufferChanged);
+    connect(_nickListWidget,
+            &NickListWidget::nickSelectionChanged,
+            QtUi::toolBarActionProvider(),
+            &ToolBarActionProvider::onNickSelectionChanged);
+
+#ifdef Q_OS_MAC
+    setUnifiedTitleAndToolBarOnMac(true);
+#endif
 
-#ifdef Q_WS_MAC
-  setUnifiedTitleAndToolBarOnMac(true);
+#ifdef HAVE_KDE
+    _mainToolBar = new KToolBar("MainToolBar", this, Qt::TopToolBarArea, false, true, true);
+#else
+    _mainToolBar = new QToolBar(this);
+    _mainToolBar->setObjectName("MainToolBar");
 #endif
+    _mainToolBar->setWindowTitle(tr("Main Toolbar"));
+    addToolBar(_mainToolBar);
+
+    if (Quassel::runMode() != Quassel::Monolithic) {
+        ActionCollection* coll = QtUi::actionCollection("General");
+        _mainToolBar->addAction(coll->action("ConnectCore"));
+        _mainToolBar->addAction(coll->action("DisconnectCore"));
+    }
+
+    _mainToolBar->setMovable(!QtUiSettings().value("LockLayout", false).toBool());
+
+    QtUi::toolBarActionProvider()->addActions(_mainToolBar, ToolBarActionProvider::MainToolBar);
+    _toolbarMenu->addAction(_mainToolBar->toggleViewAction());
 
 #ifdef HAVE_KDE
-  _mainToolBar = new KToolBar("MainToolBar", this, Qt::TopToolBarArea, false, true, true);
+    _nickToolBar = new KToolBar("NickToolBar", this, Qt::TopToolBarArea, false, true, true);
+#else
+    _nickToolBar = new QToolBar(this);
+    _nickToolBar->setObjectName("NickToolBar");
+#endif
+    _nickToolBar->setWindowTitle(tr("Nick Toolbar"));
+    _nickToolBar->setVisible(false);  // default: not visible
+    addToolBar(_nickToolBar);
+    _nickToolBar->setMovable(!QtUiSettings().value("LockLayout", false).toBool());
+
+    QtUi::toolBarActionProvider()->addActions(_nickToolBar, ToolBarActionProvider::NickToolBar);
+    _toolbarMenu->addAction(_nickToolBar->toggleViewAction());
+
+#ifdef Q_OS_MAC
+    QtUiSettings uiSettings;
+
+    bool visible = uiSettings.value("ShowMainToolBar", QVariant(true)).toBool();
+    _mainToolBar->setVisible(visible);
+    connect(_mainToolBar, &QToolBar::visibilityChanged, this, &MainWin::saveMainToolBarStatus);
+#endif
+}
+
+void MainWin::saveMainToolBarStatus(bool enabled)
+{
+#ifdef Q_OS_MAC
+    QtUiSettings uiSettings;
+    uiSettings.setValue("ShowMainToolBar", enabled);
 #else
-  _mainToolBar = new QToolBar(this);
-  _mainToolBar->setObjectName("MainToolBar");
+    Q_UNUSED(enabled);
 #endif
-  _mainToolBar->setWindowTitle(tr("Main Toolbar"));
-  addToolBar(_mainToolBar);
+}
 
-  QtUi::toolBarActionProvider()->addActions(_mainToolBar, ToolBarActionProvider::MainToolBar);
-  _toolbarMenu->addAction(_mainToolBar->toggleViewAction());
+void MainWin::doAutoConnect()
+{
+    int accountId = Quassel::optionValue("account").toInt();
+    if (!Client::coreConnection()->connectToCore(accountId)) {
+        // No autoconnect selected (or no accounts)
+        showCoreConnectionDlg();
+    }
 }
 
-void MainWin::connectedToCore() {
-  Q_CHECK_PTR(Client::bufferViewManager());
-  connect(Client::bufferViewManager(), SIGNAL(bufferViewConfigAdded(int)), this, SLOT(addBufferView(int)));
-  connect(Client::bufferViewManager(), SIGNAL(bufferViewConfigDeleted(int)), this, SLOT(removeBufferView(int)));
-  connect(Client::bufferViewManager(), SIGNAL(initDone()), this, SLOT(loadLayout()));
+void MainWin::connectedToCore()
+{
+    Q_CHECK_PTR(Client::bufferViewManager());
+    connect(Client::bufferViewManager(), &BufferViewManager::bufferViewConfigAdded, this, selectOverload<int>(&MainWin::addBufferView));
+    connect(Client::bufferViewManager(), &BufferViewManager::bufferViewConfigDeleted, this, &MainWin::removeBufferView);
+    connect(Client::bufferViewManager(), &SyncableObject::initDone, this, &MainWin::loadLayout);
+
+    if (Client::transferManager()) {
+        connect(Client::transferManager(), &TransferManager::transferAdded, this, &MainWin::showNewTransferDlg);
+    }
 
-  setConnectedState();
+    setConnectedState();
 }
 
-void MainWin::setConnectedState() {
-  ActionCollection *coll = QtUi::actionCollection("General");
+void MainWin::setConnectedState()
+{
+    ActionCollection* coll = QtUi::actionCollection("General");
 
-  coll->action("ConnectCore")->setEnabled(false);
-  coll->action("DisconnectCore")->setEnabled(true);
-  coll->action("CoreInfo")->setEnabled(true);
+    coll->action("ConnectCore")->setEnabled(false);
+    coll->action("DisconnectCore")->setEnabled(true);
+    coll->action("ChangePassword")->setEnabled(true);
+    coll->action("CoreInfo")->setEnabled(true);
 
-  foreach(QAction *action, _fileMenu->actions()) {
-    if(isRemoteCoreOnly(action))
-      action->setVisible(!Client::internalCore());
-  }
+    foreach (QAction* action, _fileMenu->actions()) {
+        if (isRemoteCoreOnly(action))
+            action->setVisible(!Client::internalCore());
+    }
 
-  disconnect(Client::backlogManager(), SIGNAL(updateProgress(int, int)), _msgProcessorStatusWidget, SLOT(setProgress(int, int)));
-  disconnect(Client::backlogManager(), SIGNAL(messagesRequested(const QString &)), this, SLOT(showStatusBarMessage(const QString &)));
-  disconnect(Client::backlogManager(), SIGNAL(messagesProcessed(const QString &)), this, SLOT(showStatusBarMessage(const QString &)));
-  if(!Client::internalCore()) {
-    connect(Client::backlogManager(), SIGNAL(updateProgress(int, int)), _msgProcessorStatusWidget, SLOT(setProgress(int, int)));
-    connect(Client::backlogManager(), SIGNAL(messagesRequested(const QString &)), this, SLOT(showStatusBarMessage(const QString &)));
-    connect(Client::backlogManager(), SIGNAL(messagesProcessed(const QString &)), this, SLOT(showStatusBarMessage(const QString &)));
-  }
+    disconnect(Client::backlogManager(),
+               &ClientBacklogManager::updateProgress,
+               _msgProcessorStatusWidget,
+               &MsgProcessorStatusWidget::setProgress);
+    disconnect(Client::backlogManager(), &ClientBacklogManager::messagesRequested, this, &MainWin::showStatusBarMessage);
+    disconnect(Client::backlogManager(), &ClientBacklogManager::messagesProcessed, this, &MainWin::showStatusBarMessage);
+    if (!Client::internalCore()) {
+        connect(Client::backlogManager(),
+                &ClientBacklogManager::updateProgress,
+                _msgProcessorStatusWidget,
+                &MsgProcessorStatusWidget::setProgress);
+        connect(Client::backlogManager(), &ClientBacklogManager::messagesRequested, this, &MainWin::showStatusBarMessage);
+        connect(Client::backlogManager(), &ClientBacklogManager::messagesProcessed, this, &MainWin::showStatusBarMessage);
+    }
 
-  // _viewMenu->setEnabled(true);
-  if(!Client::internalCore())
-    statusBar()->showMessage(tr("Connected to core."));
-  else
-    statusBar()->clearMessage();
+    // _viewMenu->setEnabled(true);
+    if (!Client::internalCore())
+        statusBar()->showMessage(tr("Connected to core."));
+    else
+        statusBar()->clearMessage();
 
-  _coreConnectionStatusWidget->setVisible(!Client::internalCore());
-  updateIcon();
-  systemTray()->setState(SystemTray::Active);
+    _coreConnectionStatusWidget->setVisible(!Client::internalCore());
+    updateIcon();
+    systemTray()->setState(SystemTray::Active);
 
-  if(Client::networkIds().isEmpty()) {
-    IrcConnectionWizard *wizard = new IrcConnectionWizard(this, Qt::Sheet);
-    wizard->show();
-  }
-}
-
-void MainWin::loadLayout() {
-  QtUiSettings s;
-  int accountId = Client::currentCoreAccount().accountId().toInt();
-  QByteArray state = s.value(QString("MainWinState-%1").arg(accountId)).toByteArray();
-  if(state.isEmpty()) {
-    // Make sure that the default bufferview is shown
-    if(_bufferViews.count())
-      _bufferViews.at(0)->show();
-    return;
-  }
-
-  restoreState(state, accountId);
-  _layoutLoaded = true;
-}
-
-void MainWin::saveLayout() {
-  QtUiSettings s;
-  int accountId = Client::currentCoreAccount().accountId().toInt();
-  if(accountId > 0) s.setValue(QString("MainWinState-%1").arg(accountId) , saveState(accountId));
-}
-
-void MainWin::disconnectedFromCore() {
-  // save core specific layout and remove bufferviews;
-  saveLayout();
-  _layoutLoaded = false;
-
-  QVariant actionData;
-  BufferViewDock *dock;
-  foreach(QAction *action, _bufferViewsMenu->actions()) {
-    actionData = action->data();
-    if(!actionData.isValid())
-      continue;
-
-    dock = qobject_cast<BufferViewDock *>(action->parent());
-    if(dock && actionData.toInt() != -1) {
-      removeAction(action);
-      _bufferViews.removeAll(dock);
-      Client::bufferViewOverlay()->removeView(dock->bufferViewId());
-      dock->deleteLater();
+    if (Client::networkIds().isEmpty()) {
+        IrcConnectionWizard* wizard = new IrcConnectionWizard(this, Qt::Sheet);
+        wizard->show();
+    }
+    else {
+        // Monolithic always preselects last used buffer - Client only if the connection died
+        if (Client::coreConnection()->wasReconnect() || Quassel::runMode() == Quassel::Monolithic) {
+            QtUiSettings s;
+            BufferId lastUsedBufferId(s.value("LastUsedBufferId").toInt());
+            if (lastUsedBufferId.isValid())
+                Client::bufferModel()->switchToBuffer(lastUsedBufferId);
+        }
     }
-  }
-
-  QtUiSettings s;
-  restoreState(s.value("MainWinState").toByteArray());
-  setDisconnectedState();
-}
-
-void MainWin::setDisconnectedState() {
-  ActionCollection *coll = QtUi::actionCollection("General");
-  //ui.menuCore->setEnabled(false);
-  coll->action("ConnectCore")->setEnabled(true);
-  coll->action("DisconnectCore")->setEnabled(false);
-  coll->action("CoreInfo")->setEnabled(false);
-  //_viewMenu->setEnabled(false);
-  statusBar()->showMessage(tr("Not connected to core."));
-  if(_msgProcessorStatusWidget)
-    _msgProcessorStatusWidget->setProgress(0, 0);
-  updateIcon();
-  systemTray()->setState(SystemTray::Passive);
-}
-
-void MainWin::userAuthenticationRequired(CoreAccount *account, bool *valid, const QString &errorMessage) {
-  Q_UNUSED(errorMessage)
-  CoreConnectAuthDlg dlg(account, this);
-  *valid = (dlg.exec() == QDialog::Accepted);
-}
-
-void MainWin::handleNoSslInClient(bool *accepted) {
-  QMessageBox box(QMessageBox::Warning, tr("Unencrypted Connection"), tr("<b>Your client does not support SSL encryption</b>"),
-                  QMessageBox::Ignore|QMessageBox::Cancel, this);
-  box.setInformativeText(tr("Sensitive data, like passwords, will be transmitted unencrypted to your Quassel core."));
-  box.setDefaultButton(QMessageBox::Ignore);
-  *accepted = box.exec() == QMessageBox::Ignore;
-}
-
-void MainWin::handleNoSslInCore(bool *accepted) {
-  QMessageBox box(QMessageBox::Warning, tr("Unencrypted Connection"), tr("<b>Your core does not support SSL encryption</b>"),
-                  QMessageBox::Ignore|QMessageBox::Cancel, this);
-  box.setInformativeText(tr("Sensitive data, like passwords, will be transmitted unencrypted to your Quassel core."));
-  box.setDefaultButton(QMessageBox::Ignore);
-  *accepted = box.exec() == QMessageBox::Ignore;
-
-}
-
-#ifdef HAVE_SSL
-
-void MainWin::handleSslErrors(const QSslSocket *socket, bool *accepted, bool *permanently) {
-  QString errorString = "<ul>";
-  foreach(const QSslError error, socket->sslErrors())
-    errorString += QString("<li>%1</li>").arg(error.errorString());
-  errorString += "</ul>";
-
-  QMessageBox box(QMessageBox::Warning,
-                  tr("Untrusted Security Certificate"),
-                  tr("<b>The SSL certificate provided by the core at %1 is untrusted for the following reasons:</b>").arg(socket->peerName()),
-                  QMessageBox::Cancel, this);
-  box.setInformativeText(errorString);
-  box.addButton(tr("Continue"), QMessageBox::AcceptRole);
-  box.setDefaultButton(box.addButton(tr("Show Certificate"), QMessageBox::HelpRole));
-
-  QMessageBox::ButtonRole role;
-  do {
-    box.exec();
-    role = box.buttonRole(box.clickedButton());
-    if(role == QMessageBox::HelpRole) {
-      SslInfoDlg dlg(socket, this);
-      dlg.exec();
+}
+
+void MainWin::loadLayout()
+{
+    QtUiSettings s;
+    int accountId = Client::currentCoreAccount().accountId().toInt();
+    QByteArray state = s.value(QString("MainWinState-%1").arg(accountId)).toByteArray();
+    _nickListWidget->setVisible(true);
+    if (state.isEmpty()) {
+        foreach (BufferViewDock* view, _bufferViews)
+            view->show();
+        _layoutLoaded = true;
+        return;
     }
-  } while(role == QMessageBox::HelpRole);
+    restoreState(state, accountId);
+    int bufferViewId = s.value(QString("ActiveBufferView-%1").arg(accountId), -1).toInt();
+    if (bufferViewId >= 0)
+        changeActiveBufferView(bufferViewId);
+
+    _layoutLoaded = true;
+}
 
-  *accepted = role == QMessageBox::AcceptRole;
-  if(*accepted) {
-    QMessageBox box2(QMessageBox::Warning,
-                     tr("Untrusted Security Certificate"),
-                     tr("Would you like to accept this certificate forever without being prompted?"),
-                     0, this);
-    box2.setDefaultButton(box2.addButton(tr("Current Session Only"), QMessageBox::NoRole));
-    box2.addButton(tr("Forever"), QMessageBox::YesRole);
-    box2.exec();
-    *permanently =  box2.buttonRole(box2.clickedButton()) == QMessageBox::YesRole;
-  }
+void MainWin::saveLayout()
+{
+    QtUiSettings s;
+    int accountId = _bufferViews.count() ? Client::currentCoreAccount().accountId().toInt() : 0;  // only save if we still have a layout!
+    if (accountId > 0) {
+        s.setValue(QString("MainWinState-%1").arg(accountId), saveState(accountId));
+        BufferView* view = activeBufferView();
+        s.setValue(QString("ActiveBufferView-%1").arg(accountId), view ? view->config()->bufferViewId() : -1);
+    }
 }
 
-#endif /* HAVE_SSL */
+void MainWin::disconnectedFromCore()
+{
+    // save core specific layout and remove bufferviews;
+    saveLayout();
+    _layoutLoaded = false;
+
+    QVariant actionData;
+    BufferViewDock* dock;
+    foreach (QAction* action, _bufferViewsMenu->actions()) {
+        actionData = action->data();
+        if (!actionData.isValid())
+            continue;
+
+        dock = qobject_cast<BufferViewDock*>(action->parent());
+        if (dock && actionData.toInt() != -1) {
+            removeAction(action);
+            _bufferViews.removeAll(dock);
+            dock->deleteLater();
+        }
+    }
 
-void MainWin::handleCoreConnectionError(const QString &error) {
-  QMessageBox::critical(this, tr("Core Connection Error"), error, QMessageBox::Ok);
+    // store last active buffer
+    QtUiSettings s;
+    BufferId lastBufId = _bufferWidget->currentBuffer();
+    if (lastBufId.isValid()) {
+        s.setValue("LastUsedBufferId", lastBufId.toInt());
+        // clear the current selection
+        Client::bufferModel()->standardSelectionModel()->clearSelection();
+    }
+    restoreState(s.value("MainWinState").toByteArray());
+    setDisconnectedState();
 }
 
-void MainWin::showCoreConnectionDlg() {
-  CoreConnectDlg dlg(this);
-  if(dlg.exec() == QDialog::Accepted) {
-    AccountId accId = dlg.selectedAccount();
-    if(accId.isValid())
-      Client::coreConnection()->connectToCore(accId);
-  }
+void MainWin::setDisconnectedState()
+{
+    ActionCollection* coll = QtUi::actionCollection("General");
+    // ui.menuCore->setEnabled(false);
+    coll->action("ConnectCore")->setEnabled(true);
+    coll->action("DisconnectCore")->setEnabled(false);
+    coll->action("CoreInfo")->setEnabled(false);
+    coll->action("ChangePassword")->setEnabled(false);
+    //_viewMenu->setEnabled(false);
+    statusBar()->showMessage(tr("Not connected to core."));
+    if (_msgProcessorStatusWidget)
+        _msgProcessorStatusWidget->setProgress(0, 0);
+    updateIcon();
+    systemTray()->setState(SystemTray::Passive);
+    _nickListWidget->setVisible(false);
+}
+
+void MainWin::userAuthenticationRequired(CoreAccount* account, bool* valid, const QString& errorMessage)
+{
+    Q_UNUSED(errorMessage)
+    CoreConnectAuthDlg dlg(account);
+    *valid = (dlg.exec() == QDialog::Accepted);
 }
 
-void MainWin::showCoreConfigWizard(const QVariantList &backends) {
-  CoreConfigWizard *wizard = new CoreConfigWizard(Client::coreConnection(), backends, this);
+void MainWin::handleNoSslInClient(bool* accepted)
+{
+    QMessageBox box(QMessageBox::Warning,
+                    tr("Unencrypted Connection"),
+                    tr("<b>Your client does not support SSL encryption</b>"),
+                    QMessageBox::Ignore | QMessageBox::Cancel);
+    box.setInformativeText(tr("Sensitive data, like passwords, will be transmitted unencrypted to your Quassel core."));
+    box.setDefaultButton(QMessageBox::Ignore);
+    *accepted = (box.exec() == QMessageBox::Ignore);
+}
 
-  wizard->show();
+void MainWin::handleNoSslInCore(bool* accepted)
+{
+    QMessageBox box(QMessageBox::Warning,
+                    tr("Unencrypted Connection"),
+                    tr("<b>Your core does not support SSL encryption</b>"),
+                    QMessageBox::Ignore | QMessageBox::Cancel);
+    box.setInformativeText(tr("Sensitive data, like passwords, will be transmitted unencrypted to your Quassel core."));
+    box.setDefaultButton(QMessageBox::Ignore);
+    *accepted = (box.exec() == QMessageBox::Ignore);
 }
 
-void MainWin::showChannelList(NetworkId netId) {
-  ChannelListDlg *channelListDlg = new ChannelListDlg();
+void MainWin::handleSslErrors(const QSslSocket* socket, bool* accepted, bool* permanently)
+{
+    QString errorString = "<ul>";
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
+    for (const auto& error : socket->sslErrors()) {
+#else
+    for (const auto& error : socket->sslHandshakeErrors()) {
+#endif
+        errorString += QString("<li>%1</li>").arg(error.errorString());
+    }
+    errorString += "</ul>";
+
+    QMessageBox box(QMessageBox::Warning,
+                    tr("Untrusted Security Certificate"),
+                    tr("<b>The SSL certificate provided by the core at %1 is untrusted for the following reasons:</b>").arg(socket->peerName()),
+                    QMessageBox::Cancel);
+    box.setInformativeText(errorString);
+    box.addButton(tr("Continue"), QMessageBox::AcceptRole);
+    box.setDefaultButton(box.addButton(tr("Show Certificate"), QMessageBox::HelpRole));
+
+    QMessageBox::ButtonRole role;
+    do {
+        box.exec();
+        role = box.buttonRole(box.clickedButton());
+        if (role == QMessageBox::HelpRole) {
+            SslInfoDlg dlg(socket);
+            dlg.exec();
+        }
+    } while (role == QMessageBox::HelpRole);
+
+    *accepted = role == QMessageBox::AcceptRole;
+    if (*accepted) {
+        QMessageBox box2(QMessageBox::Warning,
+                         tr("Untrusted Security Certificate"),
+                         tr("Would you like to accept this certificate forever without being prompted?"),
+                         QMessageBox::NoButton);
+        box2.setDefaultButton(box2.addButton(tr("Current Session Only"), QMessageBox::NoRole));
+        box2.addButton(tr("Forever"), QMessageBox::YesRole);
+        box2.exec();
+        *permanently = (box2.buttonRole(box2.clickedButton()) == QMessageBox::YesRole);
+    }
+}
 
-  if(!netId.isValid()) {
-    QAction *action = qobject_cast<QAction *>(sender());
-    if(action)
-      netId = action->data().value<NetworkId>();
-  }
+void MainWin::handleCoreConnectionError(const QString& error)
+{
+    QMessageBox::critical(this, tr("Core Connection Error"), error, QMessageBox::Ok);
+}
 
-  channelListDlg->setAttribute(Qt::WA_DeleteOnClose);
-  channelListDlg->setNetwork(netId);
-  channelListDlg->show();
+void MainWin::showCoreConnectionDlg()
+{
+    CoreConnectDlg dlg;
+    if (dlg.exec() == QDialog::Accepted) {
+        AccountId accId = dlg.selectedAccount();
+        if (accId.isValid())
+            Client::coreConnection()->connectToCore(accId);
+    }
 }
 
-void MainWin::showIgnoreList(QString newRule) {
-  SettingsPageDlg dlg(new IgnoreListSettingsPage(this), this);
-  // prepare config dialog for new rule
-  if(!newRule.isEmpty())
-    qobject_cast<IgnoreListSettingsPage *>(dlg.currentPage())->editIgnoreRule(newRule);
-  dlg.exec();
+void MainWin::showCoreConfigWizard(const QVariantList& backends, const QVariantList& authenticators)
+{
+    auto* wizard = new CoreConfigWizard(Client::coreConnection(), backends, authenticators, this);
+
+    wizard->show();
 }
 
-void MainWin::showCoreInfoDlg() {
-  CoreInfoDlg(this).exec();
+void MainWin::showChannelList(NetworkId netId, const QString& channelFilters, bool listImmediately)
+{
+    if (!netId.isValid()) {
+        auto* action = qobject_cast<QAction*>(sender());
+        if (action)
+            netId = action->data().value<NetworkId>();
+        if (!netId.isValid()) {
+            // We still haven't found a valid network, probably no network selected, e.g. "/list"
+            // on the client homescreen when no networks are connected.
+            QMessageBox box(QMessageBox::Information,
+                            tr("No network selected"),
+                            QString("<b>%1</b>").arg(tr("No network selected")),
+                            QMessageBox::Ok);
+            box.setInformativeText(tr("Select a network before trying to view the channel list."));
+            box.exec();
+            return;
+        }
+    }
+
+    auto* channelListDlg = new ChannelListDlg(this);
+    channelListDlg->setAttribute(Qt::WA_DeleteOnClose);
+    channelListDlg->setNetwork(netId);
+    if (!channelFilters.isEmpty()) {
+        channelListDlg->setChannelFilters(channelFilters);
+    }
+    if (listImmediately) {
+        channelListDlg->requestSearch();
+    }
+    channelListDlg->show();
 }
 
-void MainWin::showAwayLog() {
-  if(_awayLog)
-    return;
-  AwayLogFilter *filter = new AwayLogFilter(Client::messageModel());
-  _awayLog = new AwayLogView(filter, 0);
-  filter->setParent(_awayLog);
-  connect(_awayLog, SIGNAL(destroyed()), this, SLOT(awayLogDestroyed()));
-  _awayLog->setAttribute(Qt::WA_DeleteOnClose);
-  _awayLog->show();
+void MainWin::showNetworkConfig(NetworkId netId)
+{
+    SettingsPageDlg dlg{new NetworksSettingsPage{}};
+    if (netId.isValid())
+        qobject_cast<NetworksSettingsPage*>(dlg.currentPage())->bufferList_Open(netId);
+    dlg.exec();
 }
 
-void MainWin::awayLogDestroyed() {
-  _awayLog = 0;
+void MainWin::showIgnoreList(QString newRule)
+{
+    SettingsPageDlg dlg{new IgnoreListSettingsPage{}};
+    // prepare config dialog for new rule
+    if (!newRule.isEmpty())
+        qobject_cast<IgnoreListSettingsPage*>(dlg.currentPage())->editIgnoreRule(newRule);
+    dlg.exec();
 }
 
-void MainWin::showSettingsDlg() {
-  SettingsDlg *dlg = new SettingsDlg();
+void MainWin::showCoreInfoDlg()
+{
+    CoreInfoDlg{}.exec();
+}
 
-  //Category: Interface
-  dlg->registerSettingsPage(new AppearanceSettingsPage(dlg));
-  dlg->registerSettingsPage(new ChatViewSettingsPage(dlg));
-  dlg->registerSettingsPage(new ChatMonitorSettingsPage(dlg));
-  dlg->registerSettingsPage(new ItemViewSettingsPage(dlg));
-  dlg->registerSettingsPage(new BufferViewSettingsPage(dlg));
-  dlg->registerSettingsPage(new InputWidgetSettingsPage(dlg));
-  dlg->registerSettingsPage(new TopicWidgetSettingsPage(dlg));
-  dlg->registerSettingsPage(new HighlightSettingsPage(dlg));
-  dlg->registerSettingsPage(new NotificationsSettingsPage(dlg));
-  dlg->registerSettingsPage(new BacklogSettingsPage(dlg));
+void MainWin::showAwayLog()
+{
+    if (_awayLog)
+        return;
+    auto* filter = new AwayLogFilter(Client::messageModel());
+    _awayLog = new AwayLogView(filter, nullptr);
+    filter->setParent(_awayLog);
+    connect(_awayLog, &QObject::destroyed, this, &MainWin::awayLogDestroyed);
+    _awayLog->setAttribute(Qt::WA_DeleteOnClose);
+    _awayLog->show();
+}
 
-  //Category: IRC
-  dlg->registerSettingsPage(new ConnectionSettingsPage(dlg));
-  dlg->registerSettingsPage(new IdentitiesSettingsPage(dlg));
-  dlg->registerSettingsPage(new NetworksSettingsPage(dlg));
-  dlg->registerSettingsPage(new AliasesSettingsPage(dlg));
-  dlg->registerSettingsPage(new IgnoreListSettingsPage(dlg));
+void MainWin::awayLogDestroyed()
+{
+    _awayLog = nullptr;
+}
 
-  // Category: Remote Cores
-  if(Quassel::runMode() != Quassel::Monolithic) {
-    dlg->registerSettingsPage(new CoreAccountSettingsPage(dlg));
-    dlg->registerSettingsPage(new CoreConnectionSettingsPage(dlg));
-  }
+void MainWin::showSettingsDlg()
+{
+    auto dlg = new SettingsDlg();
+
+    // Category: Interface
+    dlg->registerSettingsPage(new AppearanceSettingsPage(dlg));
+    dlg->registerSettingsPage(new ChatViewSettingsPage(dlg));
+    dlg->registerSettingsPage(new ChatViewColorSettingsPage(dlg));
+    dlg->registerSettingsPage(new ChatMonitorSettingsPage(dlg));
+    dlg->registerSettingsPage(new ItemViewSettingsPage(dlg));
+    dlg->registerSettingsPage(new BufferViewSettingsPage(dlg));
+    dlg->registerSettingsPage(new InputWidgetSettingsPage(dlg));
+    dlg->registerSettingsPage(new TopicWidgetSettingsPage(dlg));
+#ifdef HAVE_SONNET
+    dlg->registerSettingsPage(new SonnetSettingsPage(dlg));
+#endif
+    auto coreHighlightsPage = new CoreHighlightSettingsPage(dlg);
+    auto localHighlightsPage = new HighlightSettingsPage(dlg);
+    // Let CoreHighlightSettingsPage reload HighlightSettingsPage after doing an import with
+    // cleaning up.  Otherwise, HighlightSettingsPage won't show that the local rules were deleted.
+    connect(coreHighlightsPage, &CoreHighlightSettingsPage::localHighlightsChanged,
+            localHighlightsPage, &HighlightSettingsPage::load);
+    // Put core-side highlights before local/legacy highlights
+    dlg->registerSettingsPage(coreHighlightsPage);
+    dlg->registerSettingsPage(localHighlightsPage);
+    dlg->registerSettingsPage(new NotificationsSettingsPage(dlg));
+    dlg->registerSettingsPage(new BacklogSettingsPage(dlg));
+
+    // Category: IRC
+    dlg->registerSettingsPage(new ConnectionSettingsPage(dlg));
+    dlg->registerSettingsPage(new IdentitiesSettingsPage(dlg));
+    dlg->registerSettingsPage(new NetworksSettingsPage(dlg));
+    dlg->registerSettingsPage(new AliasesSettingsPage(dlg));
+    dlg->registerSettingsPage(new IgnoreListSettingsPage(dlg));
+    // dlg->registerSettingsPage(new DccSettingsPage(dlg)); not ready yet
+
+    // Category: Remote Cores
+    if (Quassel::runMode() != Quassel::Monolithic) {
+        dlg->registerSettingsPage(new CoreAccountSettingsPage(dlg));
+        dlg->registerSettingsPage(new CoreConnectionSettingsPage(dlg));
+    }
 
-  dlg->show();
+    dlg->show();
 }
 
-void MainWin::showAboutDlg() {
-  AboutDlg(this).exec();
+void MainWin::showAboutDlg()
+{
+    AboutDlg{}.exec();
 }
 
+void MainWin::showShortcutsDlg()
+{
 #ifdef HAVE_KDE
-void MainWin::showShortcutsDlg() {
-  KShortcutsDialog::configure(QtUi::actionCollection("General"), KShortcutsEditor::LetterShortcutsDisallowed);
+    KShortcutsDialog dlg(KShortcutsEditor::AllActions, KShortcutsEditor::LetterShortcutsDisallowed);
+    foreach (KActionCollection* coll, QtUi::actionCollections()) {
+        dlg.addCollection(coll, coll->property("Category").toString());
+    }
+    dlg.configure(true);
+#else
+    SettingsPageDlg{new ShortcutsSettingsPage{QtUi::actionCollections()}}.exec();
+#endif
+}
+
+void MainWin::showNewTransferDlg(const QUuid& transferId)
+{
+    auto transfer = Client::transferManager()->transfer(transferId);
+    if (transfer) {
+        if (transfer->status() == Transfer::Status::New) {
+            auto* dlg = new ReceiveFileDlg(transfer, this);
+            dlg->show();
+        }
+    }
+    else {
+        qWarning() << "Unknown transfer ID" << transferId;
+    }
 }
+
+void MainWin::onFullScreenToggled()
+{
+    // Relying on QWidget::isFullScreen is discouraged, see the KToggleFullScreenAction docs
+    // Also, one should not use showFullScreen() or showNormal(), as those reset all other window flags
+
+#ifdef HAVE_KDE
+    static_cast<KToggleFullScreenAction*>(_fullScreenAction)->setFullScreen(this, _fullScreenAction->isChecked());
+#else
+    if (_fullScreenAction->isChecked())
+        setWindowState(windowState() | Qt::WindowFullScreen);
+    else
+        setWindowState(windowState() & ~Qt::WindowFullScreen);
 #endif
+}
 
 /********************************************************************************************************/
 
-bool MainWin::event(QEvent *event) {
-  if(event->type() == QEvent::WindowActivate) {
-    BufferId buffer = Client::bufferModel()->currentBuffer();
-    if(buffer.isValid())
-      QtUi::closeNotifications(buffer);
-  }
-  return QMainWindow::event(event);
+bool MainWin::event(QEvent* event)
+{
+    switch (event->type()) {
+    case QEvent::WindowActivate: {
+        BufferId bufferId = Client::bufferModel()->currentBuffer();
+        if (bufferId.isValid())
+            Client::instance()->markBufferAsRead(bufferId);
+        break;
+    }
+    case QEvent::WindowDeactivate:
+        if (bufferWidget()->autoMarkerLineOnLostFocus())
+            bufferWidget()->setMarkerLine();
+        break;
+    default:
+        break;
+    }
+    return QMainWindow::event(event);
 }
 
-void MainWin::moveEvent(QMoveEvent *event) {
-  if(!(windowState() & Qt::WindowMaximized))
-    _normalPos = event->pos();
+void MainWin::moveEvent(QMoveEvent* event)
+{
+    if (!(windowState() & Qt::WindowMaximized))
+        _normalPos = event->pos();
 
-  QMainWindow::moveEvent(event);
+    QMainWindow::moveEvent(event);
 }
 
-void MainWin::resizeEvent(QResizeEvent *event) {
-  if(!(windowState() & Qt::WindowMaximized))
-    _normalSize = event->size();
+void MainWin::resizeEvent(QResizeEvent* event)
+{
+    if (!(windowState() & Qt::WindowMaximized))
+        _normalSize = event->size();
 
-  QMainWindow::resizeEvent(event);
+    QMainWindow::resizeEvent(event);
 }
 
-void MainWin::closeEvent(QCloseEvent *event) {
-  QtUiSettings s;
-  QtUiApplication* app = qobject_cast<QtUiApplication*> qApp;
-  Q_ASSERT(app);
-  if(!app->isAboutToQuit()
-    && s.value("UseSystemTrayIcon").toBool() && s.value("MinimizeOnClose").toBool() && systemTray()->isSystemTrayAvailable()) {
-    systemTray()->hideMainWidget();
-    event->ignore();
-  } else {
-    event->accept();
-    quit();
-  }
+void MainWin::closeEvent(QCloseEvent* event)
+{
+    QtUiSettings s;
+    auto* app = qobject_cast<QtUiApplication*> qApp;
+    Q_ASSERT(app);
+    // On OSX it can happen that the closeEvent occurs twice. (Especially if packaged with Frameworks)
+    // This messes up MainWinState/MainWinHidden save/restore.
+    // It's a bug in Qt: https://bugreports.qt.io/browse/QTBUG-43344
+    if (!_aboutToQuit && !app->isAboutToQuit() && QtUi::haveSystemTray() && s.value("MinimizeOnClose").toBool()) {
+        QtUi::hideMainWidget();
+        event->ignore();
+    }
+    else if (!_aboutToQuit) {
+        _aboutToQuit = true;
+        event->accept();
+        Quassel::instance()->quit();
+    }
+    else {
+        event->ignore();
+    }
 }
 
-void MainWin::messagesInserted(const QModelIndex &parent, int start, int end) {
-  Q_UNUSED(parent);
+void MainWin::messagesInserted(const QModelIndex& parent, int start, int end)
+{
+    Q_UNUSED(parent);
 
-  bool hasFocus = QApplication::activeWindow() != 0;
+    bool hasFocus = QApplication::activeWindow() != nullptr;
 
-  for(int i = start; i <= end; i++) {
-    QModelIndex idx = Client::messageModel()->index(i, ChatLineModel::ContentsColumn);
-    if(!idx.isValid()) {
-      qDebug() << "MainWin::messagesInserted(): Invalid model index!";
-      continue;
-    }
-    Message::Flags flags = (Message::Flags)idx.data(ChatLineModel::FlagsRole).toInt();
-    if(flags.testFlag(Message::Backlog) || flags.testFlag(Message::Self))
-      continue;
-
-    BufferId bufId = idx.data(ChatLineModel::BufferIdRole).value<BufferId>();
-    BufferInfo::Type bufType = Client::networkModel()->bufferType(bufId);
-
-    if(hasFocus && bufId == Client::bufferModel()->currentBuffer())
-      continue;
-
-    if((flags & Message::Highlight || bufType == BufferInfo::QueryBuffer)
-      && !(Client::ignoreListManager() && Client::ignoreListManager()->match(idx.data(MessageModel::MessageRole).value<Message>(),
-                                                                             Client::networkModel()->networkName(bufId))))
-    {
-      QModelIndex senderIdx = Client::messageModel()->index(i, ChatLineModel::SenderColumn);
-      QString sender = senderIdx.data(ChatLineModel::EditRole).toString();
-      QString contents = idx.data(ChatLineModel::DisplayRole).toString();
-      AbstractNotificationBackend::NotificationType type;
-
-      if(bufType == BufferInfo::QueryBuffer && !hasFocus)
-        type = AbstractNotificationBackend::PrivMsg;
-      else if(bufType == BufferInfo::QueryBuffer && hasFocus)
-        type = AbstractNotificationBackend::PrivMsgFocused;
-      else if(flags & Message::Highlight && !hasFocus)
-        type = AbstractNotificationBackend::Highlight;
-      else
-        type = AbstractNotificationBackend::HighlightFocused;
-
-      QtUi::invokeNotification(bufId, type, sender, contents);
+    for (int i = start; i <= end; i++) {
+        QModelIndex idx = Client::messageModel()->index(i, ChatLineModel::ContentsColumn);
+        if (!idx.isValid()) {
+            qDebug() << "MainWin::messagesInserted(): Invalid model index!";
+            continue;
+        }
+        Message::Flags flags = (Message::Flags)idx.data(ChatLineModel::FlagsRole).toInt();
+        if (flags.testFlag(Message::Backlog) || flags.testFlag(Message::Self))
+            continue;
+
+        BufferId bufId = idx.data(ChatLineModel::BufferIdRole).value<BufferId>();
+        BufferInfo::Type bufType = Client::networkModel()->bufferType(bufId);
+
+        // check if bufferId belongs to the shown chatlists
+        if (!(Client::bufferViewOverlay()->bufferIds().contains(bufId) || Client::bufferViewOverlay()->tempRemovedBufferIds().contains(bufId)))
+            continue;
+
+        // check if it's the buffer currently displayed
+        if (hasFocus && bufId == Client::bufferModel()->currentBuffer())
+            continue;
+
+        // only show notifications for higlights or queries
+        if (bufType != BufferInfo::QueryBuffer && !(flags & Message::Highlight))
+            continue;
+
+        // and of course: don't notify for ignored messages
+        if (Client::ignoreListManager()
+            && Client::ignoreListManager()->match(idx.data(MessageModel::MessageRole).value<Message>(),
+                                                  Client::networkModel()->networkName(bufId)))
+            continue;
+
+        // seems like we have a legit notification candidate!
+        QModelIndex senderIdx = Client::messageModel()->index(i, ChatLineModel::SenderColumn);
+        QString sender = senderIdx.data(ChatLineModel::EditRole).toString();
+        QString contents = idx.data(ChatLineModel::DisplayRole).toString();
+        AbstractNotificationBackend::NotificationType type;
+
+        if (bufType == BufferInfo::QueryBuffer && !hasFocus)
+            type = AbstractNotificationBackend::PrivMsg;
+        else if (bufType == BufferInfo::QueryBuffer && hasFocus)
+            type = AbstractNotificationBackend::PrivMsgFocused;
+        else if (flags & Message::Highlight && !hasFocus)
+            type = AbstractNotificationBackend::Highlight;
+        else
+            type = AbstractNotificationBackend::HighlightFocused;
+
+        QtUi::instance()->invokeNotification(bufId, type, sender, contents);
     }
-  }
 }
 
-void MainWin::currentBufferChanged(BufferId buffer) {
-  if(buffer.isValid())
-    QtUi::closeNotifications(buffer);
+void MainWin::currentBufferChanged(BufferId buffer)
+{
+    if (buffer.isValid())
+        Client::instance()->markBufferAsRead(buffer);
 }
 
-void MainWin::clientNetworkCreated(NetworkId id) {
-  const Network *net = Client::network(id);
-  QAction *act = new QAction(net->networkName(), this);
-  act->setObjectName(QString("NetworkAction-%1").arg(id.toInt()));
-  act->setData(QVariant::fromValue<NetworkId>(id));
-  connect(net, SIGNAL(updatedRemotely()), this, SLOT(clientNetworkUpdated()));
-  connect(act, SIGNAL(triggered()), this, SLOT(connectOrDisconnectFromNet()));
+void MainWin::clientNetworkCreated(NetworkId id)
+{
+    const Network* net = Client::network(id);
+    auto* act = new QAction(net->networkName(), this);
+    act->setObjectName(QString("NetworkAction-%1").arg(id.toInt()));
+    act->setData(QVariant::fromValue(id));
+    connect(net, &SyncableObject::updatedRemotely, this, &MainWin::clientNetworkUpdated);
+    connect(act, &QAction::triggered, this, &MainWin::connectOrDisconnectFromNet);
+
+    QAction* beforeAction = nullptr;
+    foreach (QAction* action, _networksMenu->actions()) {
+        if (!action->data().isValid())  // ignore stock actions
+            continue;
+        if (net->networkName().localeAwareCompare(action->text()) < 0) {
+            beforeAction = action;
+            break;
+        }
+    }
+    _networksMenu->insertAction(beforeAction, act);
+}
 
-  QAction *beforeAction = 0;
-  foreach(QAction *action, _networksMenu->actions()) {
-    if(!action->data().isValid())  // ignore stock actions
-      continue;
-    if(net->networkName().localeAwareCompare(action->text()) < 0) {
-      beforeAction = action;
-      break;
+void MainWin::clientNetworkUpdated()
+{
+    const auto* net = qobject_cast<const Network*>(sender());
+    if (!net)
+        return;
+
+    auto* action = findChild<QAction*>(QString("NetworkAction-%1").arg(net->networkId().toInt()));
+    if (!action)
+        return;
+
+    action->setText(net->networkName());
+
+    switch (net->connectionState()) {
+    case Network::Initialized:
+        action->setIcon(icon::get("network-connect"));
+        // if we have no currently selected buffer, jump to the first connecting statusbuffer
+        if (!bufferWidget()->currentBuffer().isValid()) {
+            QModelIndex idx = Client::networkModel()->networkIndex(net->networkId());
+            if (idx.isValid()) {
+                BufferId statusBufferId = idx.data(NetworkModel::BufferIdRole).value<BufferId>();
+                Client::bufferModel()->switchToBuffer(statusBufferId);
+            }
+        }
+        break;
+    case Network::Disconnected:
+        action->setIcon(icon::get("network-disconnect"));
+        break;
+    default:
+        action->setIcon(icon::get("network-wired"));
     }
-  }
-  _networksMenu->insertAction(beforeAction, act);
 }
 
-void MainWin::clientNetworkUpdated() {
-  const Network *net = qobject_cast<const Network *>(sender());
-  if(!net)
-    return;
+void MainWin::clientNetworkRemoved(NetworkId id)
+{
+    auto* action = findChild<QAction*>(QString("NetworkAction-%1").arg(id.toInt()));
+    if (!action)
+        return;
 
-  QAction *action = findChild<QAction *>(QString("NetworkAction-%1").arg(net->networkId().toInt()));
-  if(!action)
-    return;
+    action->deleteLater();
+}
 
-  action->setText(net->networkName());
+void MainWin::connectOrDisconnectFromNet()
+{
+    auto* act = qobject_cast<QAction*>(sender());
+    if (!act)
+        return;
+    const Network* net = Client::network(act->data().value<NetworkId>());
+    if (!net)
+        return;
+    if (net->connectionState() == Network::Disconnected)
+        net->requestConnect();
+    else
+        net->requestDisconnect();
+}
+
+void MainWin::onFormatApplyColorTriggered()
+{
+    if (!_inputWidget)
+        return;
 
-  switch(net->connectionState()) {
-  case Network::Initialized:
-    action->setIcon(SmallIcon("network-connect"));
-    break;
-  case Network::Disconnected:
-    action->setIcon(SmallIcon("network-disconnect"));
-    break;
-  default:
-    action->setIcon(SmallIcon("network-wired"));
-  }
+    _inputWidget->applyFormatActiveColor();
 }
 
-void MainWin::clientNetworkRemoved(NetworkId id) {
-  QAction *action = findChild<QAction *>(QString("NetworkAction-%1").arg(id.toInt()));
-  if(!action)
-    return;
+void MainWin::onFormatApplyColorFillTriggered()
+{
+    if (!_inputWidget)
+        return;
 
-  action->deleteLater();
+    _inputWidget->applyFormatActiveColorFill();
 }
 
-void MainWin::connectOrDisconnectFromNet() {
-  QAction *act = qobject_cast<QAction *>(sender());
-  if(!act) return;
-  const Network *net = Client::network(act->data().value<NetworkId>());
-  if(!net) return;
-  if(net->connectionState() == Network::Disconnected) net->requestConnect();
-  else net->requestDisconnect();
+void MainWin::onFormatClearTriggered()
+{
+    if (!_inputWidget)
+        return;
+
+    _inputWidget->clearFormat();
 }
 
-void MainWin::on_jumpHotBuffer_triggered() {
-  if(!_bufferHotList->rowCount())
-    return;
+void MainWin::onFormatBoldTriggered()
+{
+    if (!_inputWidget)
+        return;
 
-  QModelIndex topIndex = _bufferHotList->index(0, 0);
-  BufferId bufferId = _bufferHotList->data(topIndex, NetworkModel::BufferIdRole).value<BufferId>();
-  Client::bufferModel()->switchToBuffer(bufferId);
+    _inputWidget->toggleFormatBold();
 }
 
-void MainWin::on_actionDebugNetworkModel_triggered() {
-  QTreeView *view = new QTreeView;
-  view->setAttribute(Qt::WA_DeleteOnClose);
-  view->setWindowTitle("Debug NetworkModel View");
-  view->setModel(Client::networkModel());
-  view->setColumnWidth(0, 250);
-  view->setColumnWidth(1, 250);
-  view->setColumnWidth(2, 80);
-  view->resize(610, 300);
-  view->show();
+void MainWin::onFormatItalicTriggered()
+{
+    if (!_inputWidget)
+        return;
+
+    _inputWidget->toggleFormatItalic();
+}
+
+void MainWin::onFormatUnderlineTriggered()
+{
+    if (!_inputWidget)
+        return;
+
+    _inputWidget->toggleFormatUnderline();
 }
 
-void MainWin::on_actionDebugHotList_triggered() {
-  QTreeView *view = new QTreeView;
-  view->setAttribute(Qt::WA_DeleteOnClose);
-  view->setModel(_bufferHotList);
-  view->show();
+void MainWin::onFormatStrikethroughTriggered()
+{
+    if (!_inputWidget)
+        return;
+
+    _inputWidget->toggleFormatStrikethrough();
 }
 
-void MainWin::on_actionDebugBufferViewOverlay_triggered() {
-  DebugBufferViewOverlay *overlay = new DebugBufferViewOverlay(0);
-  overlay->setAttribute(Qt::WA_DeleteOnClose);
-  overlay->show();
+
+void MainWin::onJumpHotBufferTriggered()
+{
+    if (!_bufferHotList->rowCount())
+        return;
+
+    Client::bufferModel()->switchToBuffer(_bufferHotList->hottestBuffer());
 }
 
-void MainWin::on_actionDebugMessageModel_triggered() {
-  QTableView *view = new QTableView(0);
-  DebugMessageModelFilter *filter = new DebugMessageModelFilter(view);
-  filter->setSourceModel(Client::messageModel());
-  view->setModel(filter);
-  view->setAttribute(Qt::WA_DeleteOnClose, true);
-  view->verticalHeader()->hide();
-  view->horizontalHeader()->setStretchLastSection(true);
-  view->show();
+void MainWin::onBufferSearchTriggered()
+{
+    if (_activeBufferViewIndex < 0 || _activeBufferViewIndex >= _bufferViews.count()) {
+        qWarning() << "Tried to activate filter on invalid bufferview:" << _activeBufferViewIndex;
+        return;
+    }
+
+    _bufferViews[_activeBufferViewIndex]->activateFilter();
 }
 
-void MainWin::on_actionDebugLog_triggered() {
-  DebugLogWidget *logWidget = new DebugLogWidget(0);
-  logWidget->show();
+void MainWin::onJumpKey()
+{
+    auto* action = qobject_cast<QAction*>(sender());
+    if (!action || !Client::bufferModel())
+        return;
+    int idx = action->property("Index").toInt();
+
+    if (_jumpKeyMap.isEmpty())
+        _jumpKeyMap = CoreAccountSettings().jumpKeyMap();
+
+    if (!_jumpKeyMap.contains(idx))
+        return;
+
+    BufferId buffer = _jumpKeyMap.value(idx);
+    if (buffer.isValid())
+        Client::bufferModel()->switchToBuffer(buffer);
 }
 
-void MainWin::showStatusBarMessage(const QString &message) {
-  statusBar()->showMessage(message, 10000);
+void MainWin::bindJumpKey()
+{
+    auto* action = qobject_cast<QAction*>(sender());
+    if (!action || !Client::bufferModel())
+        return;
+    int idx = action->property("Index").toInt();
+
+    _jumpKeyMap[idx] = Client::bufferModel()->currentBuffer();
+    CoreAccountSettings().setJumpKeyMap(_jumpKeyMap);
 }
 
+void MainWin::onDebugNetworkModelTriggered()
+{
+    auto* view = new QTreeView;
+    view->setAttribute(Qt::WA_DeleteOnClose);
+    view->setWindowTitle("Debug NetworkModel View");
+    view->setModel(Client::networkModel());
+    view->setColumnWidth(0, 250);
+    view->setColumnWidth(1, 250);
+    view->setColumnWidth(2, 80);
+    view->resize(610, 300);
+    view->show();
+}
+
+void MainWin::onDebugHotListTriggered()
+{
+    _bufferHotList->invalidate();
+    _bufferHotList->sort(0, Qt::DescendingOrder);
+
+    auto* view = new QTreeView;
+    view->setAttribute(Qt::WA_DeleteOnClose);
+    view->setModel(_bufferHotList);
+    view->show();
+}
+
+void MainWin::onDebugBufferViewOverlayTriggered()
+{
+    auto* overlay = new DebugBufferViewOverlay(nullptr);
+    overlay->setAttribute(Qt::WA_DeleteOnClose);
+    overlay->show();
+}
+
+void MainWin::onDebugMessageModelTriggered()
+{
+    auto* view = new QTableView(nullptr);
+    auto* filter = new DebugMessageModelFilter(view);
+    filter->setSourceModel(Client::messageModel());
+    view->setModel(filter);
+    view->setAttribute(Qt::WA_DeleteOnClose, true);
+    view->verticalHeader()->hide();
+    view->horizontalHeader()->setStretchLastSection(true);
+    view->show();
+}
+
+void MainWin::onDebugLogTriggered()
+{
+    auto dlg = new DebugLogDlg(this);  // will be deleted on close
+    dlg->show();
+}
+
+void MainWin::onShowResourceTreeTriggered()
+{
+    auto dlg = new ResourceTreeDlg(this);  // will be deleted on close
+    dlg->show();
+}
+
+void MainWin::showStatusBarMessage(const QString& message)
+{
+    statusBar()->showMessage(message, 10000);
+}