SessionController.cpp Source File

Konsole

 /*
     Copyright 2006-2008 by Robert Knight <robertknight@gmail.com>
     Copyright 2009 by Thomas Dreibholz <dreibh@iem.uni-due.de>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
     02110-1301  USA.
 */
 
 // Own
 #include "SessionController.h"
 
 // Qt
 #include <QApplication>
 #include <QMenu>
 #include <QtGui/QKeyEvent>
 #include <QPrinter>
 #include <QPrintDialog>
 #include <QPainter>
 
 // KDE
 #include <KAction>
 #include <KActionMenu>
 #include <KActionCollection>
 #include <KIcon>
 #include <KLocalizedString>
 #include <KMenu>
 #include <KMessageBox>
 #include <KRun>
 #include <KShell>
 #include <KToolInvocation>
 #include <KStandardDirs>
 #include <KToggleAction>
 #include <KSelectAction>
 #include <KUrl>
 #include <KXmlGuiWindow>
 #include <KXMLGUIFactory>
 #include <KXMLGUIBuilder>
 #include <KDebug>
 #include <KUriFilter>
 #include <KStringHandler>
 #include <KConfigGroup>
 #include <KGlobal>
 
 #include <kdeversion.h>
 #if KDE_IS_VERSION(4, 9, 1)
 #include <KCodecAction>
 #else
 #include <kcodecaction.h>
 #endif
 
 // Konsole
 #include "EditProfileDialog.h"
 #include "CopyInputDialog.h"
 #include "Emulation.h"
 #include "Filter.h"
 #include "History.h"
 #include "HistorySizeDialog.h"
 #include "IncrementalSearchBar.h"
 #include "RenameTabDialog.h"
 #include "ScreenWindow.h"
 #include "Session.h"
 #include "ProfileList.h"
 #include "TerminalDisplay.h"
 #include "SessionManager.h"
 #include "Enumeration.h"
 #include "PrintOptions.h"
 
 // for SaveHistoryTask
 #include <KFileDialog>
 #include <KIO/Job>
 #include <KJob>
 #include "TerminalCharacterDecoder.h"
 
 // For Unix signal names
 #include <signal.h>
 
 using namespace Konsole;
 
 // TODO - Replace the icon choices below when suitable icons for silence and
 // activity are available
 const KIcon SessionController::_activityIcon("dialog-information");
 const KIcon SessionController::_silenceIcon("dialog-information");
 const KIcon SessionController::_broadcastIcon("emblem-important");
 
 QSet<SessionController*> SessionController::_allControllers;
 int SessionController::_lastControllerId;
 
 SessionController::SessionController(Session* session , TerminalDisplay* view, QObject* parent)
     : ViewProperties(parent)
     , KXMLGUIClient()
     , _session(session)
     , _view(view)
     , _copyToGroup(0)
     , _profileList(0)
     , _previousState(-1)
     , _viewUrlFilter(0)
     , _searchFilter(0)
     , _copyInputToAllTabsAction(0)
     , _findAction(0)
     , _findNextAction(0)
     , _findPreviousAction(0)
     , _urlFilterUpdateRequired(false)
     , _searchStartLine(0)
     , _prevSearchResultLine(0)
     , _searchBar(0)
     , _codecAction(0)
     , _switchProfileMenu(0)
     , _webSearchMenu(0)
     , _listenForScreenWindowUpdates(false)
     , _preventClose(false)
     , _keepIconUntilInteraction(false)
     , _showMenuAction(0)
     , _isSearchBarEnabled(false)
 {
     Q_ASSERT(session);
     Q_ASSERT(view);
 
     // handle user interface related to session (menus etc.)
     if (isKonsolePart()) {
         setXMLFile("konsole/partui.rc");
         setupCommonActions();
     } else {
         setXMLFile("konsole/sessionui.rc");
         setupCommonActions();
         setupExtraActions();
     }
 
     actionCollection()->addAssociatedWidget(view);
     foreach(QAction * action, actionCollection()->actions()) {
         action->setShortcutContext(Qt::WidgetWithChildrenShortcut);
     }
 
     setIdentifier(++_lastControllerId);
     sessionTitleChanged();
 
     view->installEventFilter(this);
     view->setSessionController(this);
 
     // listen for session resize requests
     connect(_session, SIGNAL(resizeRequest(QSize)), this,
             SLOT(sessionResizeRequest(QSize)));
 
     // listen for popup menu requests
     connect(_view, SIGNAL(configureRequest(QPoint)), this,
             SLOT(showDisplayContextMenu(QPoint)));
 
     // move view to newest output when keystrokes occur
     connect(_view, SIGNAL(keyPressedSignal(QKeyEvent*)), this,
             SLOT(trackOutput(QKeyEvent*)));
 
     // listen to activity / silence notifications from session
     connect(_session, SIGNAL(stateChanged(int)), this,
             SLOT(sessionStateChanged(int)));
     // listen to title and icon changes
     connect(_session, SIGNAL(titleChanged()), this, SLOT(sessionTitleChanged()));
 
     connect(_session , SIGNAL(currentDirectoryChanged(QString)) ,
             this , SIGNAL(currentDirectoryChanged(QString)));
 
     // listen for color changes
     connect(_session, SIGNAL(changeBackgroundColorRequest(QColor)), _view, SLOT(setBackgroundColor(QColor)));
     connect(_session, SIGNAL(changeForegroundColorRequest(QColor)), _view, SLOT(setForegroundColor(QColor)));
 
     // update the title when the session starts
     connect(_session, SIGNAL(started()), this, SLOT(snapshot()));
 
     // listen for output changes to set activity flag
     connect(_session->emulation(), SIGNAL(outputChanged()), this,
             SLOT(fireActivity()));
 
     // listen for detection of ZModem transfer
     connect(_session, SIGNAL(zmodemDetected()), this, SLOT(zmodemDownload()));
 
     // listen for flow control status changes
     connect(_session, SIGNAL(flowControlEnabledChanged(bool)), _view,
             SLOT(setFlowControlWarningEnabled(bool)));
     _view->setFlowControlWarningEnabled(_session->flowControlEnabled());
 
     // take a snapshot of the session state every so often when
     // user activity occurs
     //
     // the timer is owned by the session so that it will be destroyed along
     // with the session
     _interactionTimer = new QTimer(_session);
     _interactionTimer->setSingleShot(true);
     _interactionTimer->setInterval(500);
     connect(_interactionTimer, SIGNAL(timeout()), this, SLOT(snapshot()));
     connect(_view, SIGNAL(keyPressedSignal(QKeyEvent*)), this, SLOT(interactionHandler()));
 
     // take a snapshot of the session state periodically in the background
     QTimer* backgroundTimer = new QTimer(_session);
     backgroundTimer->setSingleShot(false);
     backgroundTimer->setInterval(2000);
     connect(backgroundTimer, SIGNAL(timeout()), this, SLOT(snapshot()));
     backgroundTimer->start();
 
     _allControllers.insert(this);
 
     // A list of programs that accept Ctrl+C to clear command line used
     // before outputting bookmark.
     _bookmarkValidProgramsToClear << "bash" << "fish" << "sh";
     _bookmarkValidProgramsToClear << "tcsh" << "zsh";
 }
 
 SessionController::~SessionController()
 {
     if (_view)
         _view->setScreenWindow(0);
 
     _allControllers.remove(this);
 
     if (!_editProfileDialog.isNull()) {
         delete _editProfileDialog.data();
     }
 }
 void SessionController::trackOutput(QKeyEvent* event)
 {
     Q_ASSERT(_view->screenWindow());
 
     // jump to the end of the history buffer unless the key pressed
     // is one of the three main modifiers, as these are used to select
     // the selection mode (eg. Ctrl+Alt+<Left Click> for column/block selection)
     switch (event->key()) {
     case Qt::Key_Shift:
     case Qt::Key_Control:
     case Qt::Key_Alt:
         break;
     default:
         _view->screenWindow()->setTrackOutput(true);
     }
 }
 void SessionController::interactionHandler()
 {
     // This flag is used to make sure those special icons indicating interest
     // events (activity/silence/bell?) remain in the tab until user interaction
     // happens. Otherwise, those special icons will quickly be replaced by
     // normal icon when ::snapshot() is triggered
     _keepIconUntilInteraction = false;
     _interactionTimer->start();
 }
 
 void SessionController::requireUrlFilterUpdate()
 {
     // this method is called every time the screen window's output changes, so do not
     // do anything expensive here.
 
     _urlFilterUpdateRequired = true;
 }
 void SessionController::snapshot()
 {
     Q_ASSERT(_session != 0);
 
     QString title = _session->getDynamicTitle();
     title         = title.simplified();
 
     // Visualize that the session is broadcasting to others
     if (_copyToGroup && _copyToGroup->sessions().count() > 1) {
         title.append('*');
     }
 
     // use the fallback title if needed
     if (title.isEmpty()) {
         title = _session->title(Session::NameRole);
     }
 
     // apply new title
     _session->setTitle(Session::DisplayedTitleRole, title);
 
     // do not forget icon
     updateSessionIcon();
 }
 
 QString SessionController::currentDir() const
 {
     return _session->currentWorkingDirectory();
 }
 
 KUrl SessionController::url() const
 {
     return _session->getUrl();
 }
 
 void SessionController::rename()
 {
     renameSession();
 }
 
 void SessionController::openUrl(const KUrl& url)
 {
     // Clear shell's command line
     if (!_session->isForegroundProcessActive()
             && _bookmarkValidProgramsToClear.contains(_session->foregroundProcessName())) {
         _session->emulation()->sendText(QChar(0x03)); // Ctrl+C
         _session->emulation()->sendText(QChar('\n'));
     }
 
     // handle local paths
     if (url.isLocalFile()) {
         QString path = url.toLocalFile();
         _session->emulation()->sendText("cd " + KShell::quoteArg(path) + '\r');
     } else if (url.protocol().isEmpty()) {
         // KUrl couldn't parse what the user entered into the URL field
         // so just dump it to the shell
         QString command = url.prettyUrl();
         if (!command.isEmpty())
             _session->emulation()->sendText(command + '\r');
     } else if (url.protocol() == "ssh") {
         QString sshCommand = "ssh ";
 
         if (url.port() > -1) {
             sshCommand += QString("-p %1 ").arg(url.port());
         }
         if (url.hasUser()) {
             sshCommand += (url.user() + '@');
         }
         if (url.hasHost()) {
             sshCommand += url.host();
         }
 
         _session->sendText(sshCommand + '\r');
 
     } else if (url.protocol() == "telnet") {
         QString telnetCommand = "telnet ";
 
         if (url.hasUser()) {
             telnetCommand += QString("-l %1 ").arg(url.user());
         }
         if (url.hasHost()) {
             telnetCommand += (url.host() + ' ');
         }
         if (url.port() > -1) {
             telnetCommand += QString::number(url.port());
         }
 
         _session->sendText(telnetCommand + '\r');
 
     } else {
         //TODO Implement handling for other Url types
 
         KMessageBox::sorry(_view->window(),
                            i18n("Konsole does not know how to open the bookmark: ") +
                            url.prettyUrl());
 
         kWarning() << "Unable to open bookmark at url" << url << ", I do not know"
                    << " how to handle the protocol " << url.protocol();
     }
 }
 
 void SessionController::setupPrimaryScreenSpecificActions(bool use)
 {
     KActionCollection* collection = actionCollection();
     QAction* clearAction = collection->action("clear-history");
     QAction* resetAction = collection->action("clear-history-and-reset");
     QAction* selectAllAction = collection->action("select-all");
     QAction* selectLineAction = collection->action("select-line");
 
     // these actions are meaningful only when primary screen is used.
     clearAction->setEnabled(use);
     resetAction->setEnabled(use);
     selectAllAction->setEnabled(use);
     selectLineAction->setEnabled(use);
 }
 
 void SessionController::selectionChanged(const QString& selectedText)
 {
     _selectedText = selectedText;
     updateCopyAction(selectedText);
 }
 
 void SessionController::updateCopyAction(const QString& selectedText)
 {
     QAction* copyAction = actionCollection()->action("edit_copy");
 
     // copy action is meaningful only when some text is selected.
     copyAction->setEnabled(!selectedText.isEmpty());
 }
 
 void SessionController::updateWebSearchMenu()
 {
     // reset
     _webSearchMenu->setVisible(false);
     _webSearchMenu->menu()->clear();
 
     if (_selectedText.isEmpty())
         return;
 
     QString searchText = _selectedText;
     searchText = searchText.replace('\n', ' ').replace('\r', ' ').simplified();
 
     if (searchText.isEmpty())
         return;
 
     KUriFilterData filterData(searchText);
     filterData.setSearchFilteringOptions(KUriFilterData::RetrievePreferredSearchProvidersOnly);
 
     if (KUriFilter::self()->filterSearchUri(filterData, KUriFilter::NormalTextFilter)) {
         const QStringList searchProviders = filterData.preferredSearchProviders();
         if (!searchProviders.isEmpty()) {
             _webSearchMenu->setText(i18n("Search for '%1' with",  KStringHandler::rsqueeze(searchText, 16)));
 
             KAction* action = 0;
 
             foreach(const QString& searchProvider, searchProviders) {
                 action = new KAction(searchProvider, _webSearchMenu);
                 action->setIcon(KIcon(filterData.iconNameForPreferredSearchProvider(searchProvider)));
                 action->setData(filterData.queryForPreferredSearchProvider(searchProvider));
                 connect(action, SIGNAL(triggered()), this, SLOT(handleWebShortcutAction()));
                 _webSearchMenu->addAction(action);
             }
 
             _webSearchMenu->addSeparator();
 
             action = new KAction(i18n("Configure Web Shortcuts..."), _webSearchMenu);
             action->setIcon(KIcon("configure"));
             connect(action, SIGNAL(triggered()), this, SLOT(configureWebShortcuts()));
             _webSearchMenu->addAction(action);
 
             _webSearchMenu->setVisible(true);
         }
     }
 }
 
 void SessionController::handleWebShortcutAction()
 {
     KAction* action = qobject_cast<KAction*>(sender());
     if (!action)
         return;
 
     KUriFilterData filterData(action->data().toString());
 
     if (KUriFilter::self()->filterUri(filterData, QStringList() << "kurisearchfilter")) {
         const KUrl& url = filterData.uri();
         new KRun(url, QApplication::activeWindow());
     }
 }
 
 void SessionController::configureWebShortcuts()
 {
     KToolInvocation::kdeinitExec("kcmshell4", QStringList() << "ebrowsing");
 }
 
 void SessionController::sendSignal(QAction* action)
 {
     const int signal = action->data().value<int>();
     _session->sendSignal(signal);
 }
 
 bool SessionController::eventFilter(QObject* watched , QEvent* event)
 {
     if (watched == _view) {
         if (event->type() == QEvent::FocusIn) {
             // notify the world that the view associated with this session has been focused
             // used by the view manager to update the title of the MainWindow widget containing the view
             emit focused(this);
 
             // when the view is focused, set bell events from the associated session to be delivered
             // by the focused view
 
             // first, disconnect any other views which are listening for bell signals from the session
             disconnect(_session, SIGNAL(bellRequest(QString)), 0, 0);
             // second, connect the newly focused view to listen for the session's bell signal
             connect(_session, SIGNAL(bellRequest(QString)),
                     _view, SLOT(bell(QString)));
 
             if (_copyInputToAllTabsAction && _copyInputToAllTabsAction->isChecked()) {
                 // A session with "Copy To All Tabs" has come into focus:
                 // Ensure that newly created sessions are included in _copyToGroup!
                 copyInputToAllTabs();
             }
         }
         // when a mouse move is received, create the URL filter and listen for output changes if
         // it has not already been created.  If it already exists, then update only if the output
         // has changed since the last update ( _urlFilterUpdateRequired == true )
         //
         // also check that no mouse buttons are pressed since the URL filter only applies when
         // the mouse is hovering over the view
         if (event->type() == QEvent::MouseMove &&
                 (!_viewUrlFilter || _urlFilterUpdateRequired) &&
                 ((QMouseEvent*)event)->buttons() == Qt::NoButton) {
             if (_view->screenWindow() && !_viewUrlFilter) {
                 connect(_view->screenWindow(), SIGNAL(scrolled(int)), this,
                         SLOT(requireUrlFilterUpdate()));
                 connect(_view->screenWindow(), SIGNAL(outputChanged()), this,
                         SLOT(requireUrlFilterUpdate()));
 
                 // install filter on the view to highlight URLs
                 _viewUrlFilter = new UrlFilter();
                 _view->filterChain()->addFilter(_viewUrlFilter);
             }
 
             _view->processFilters();
             _urlFilterUpdateRequired = false;
         }
     }
 
     return false;
 }
 
 void SessionController::removeSearchFilter()
 {
     if (!_searchFilter)
         return;
 
     _view->filterChain()->removeFilter(_searchFilter);
     delete _searchFilter;
     _searchFilter = 0;
 }
 
 void SessionController::setSearchBar(IncrementalSearchBar* searchBar)
 {
     // disconnect the existing search bar
     if (_searchBar) {
         disconnect(this, 0, _searchBar, 0);
         disconnect(_searchBar, 0, this, 0);
     }
 
     // connect new search bar
     _searchBar = searchBar;
     if (_searchBar) {
         connect(_searchBar, SIGNAL(unhandledMovementKeyPressed(QKeyEvent*)), this, SLOT(movementKeyFromSearchBarReceived(QKeyEvent*)));
         connect(_searchBar, SIGNAL(closeClicked()), this, SLOT(searchClosed()));
         connect(_searchBar, SIGNAL(searchFromClicked()), this, SLOT(searchFrom()));
         connect(_searchBar, SIGNAL(findNextClicked()), this, SLOT(findNextInHistory()));
         connect(_searchBar, SIGNAL(findPreviousClicked()), this, SLOT(findPreviousInHistory()));
         connect(_searchBar, SIGNAL(highlightMatchesToggled(bool)) , this , SLOT(highlightMatches(bool)));
         connect(_searchBar, SIGNAL(matchCaseToggled(bool)), this, SLOT(changeSearchMatch()));
 
         // if the search bar was previously active
         // then re-enter search mode
         enableSearchBar(_isSearchBarEnabled);
     }
 }
 IncrementalSearchBar* SessionController::searchBar() const
 {
     return _searchBar;
 }
 
 void SessionController::setShowMenuAction(QAction* action)
 {
     _showMenuAction = action;
 }
 
 void SessionController::setupCommonActions()
 {
     KAction* action = 0;
     KActionCollection* collection = actionCollection();
 
     // Close Session
     action = collection->addAction("close-session", this, SLOT(closeSession()));
     if (isKonsolePart())
         action->setText(i18n("&Close Session"));
     else
         action->setText(i18n("&Close Tab"));
 
     action->setIcon(KIcon("tab-close"));
     action->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_W));
 
     // Open Browser
     action = collection->addAction("open-browser", this, SLOT(openBrowser()));
     action->setText(i18n("Open File Manager"));
     action->setIcon(KIcon("system-file-manager"));
 
     // Copy and Paste
     action = KStandardAction::copy(this, SLOT(copy()), collection);
     action->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_C));
     // disabled at first, since nothing has been selected now
     action->setEnabled(false);
 
     action = KStandardAction::paste(this, SLOT(paste()), collection);
     KShortcut pasteShortcut = action->shortcut();
     pasteShortcut.setPrimary(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_V));
     pasteShortcut.setAlternate(QKeySequence(Qt::SHIFT + Qt::Key_Insert));
     action->setShortcut(pasteShortcut);
 
     action = collection->addAction("paste-selection", this, SLOT(pasteFromX11Selection()));
     action->setText(i18n("Paste Selection"));
     action->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Insert));
 
     _webSearchMenu = new KActionMenu(i18n("Web Search"), this);
     _webSearchMenu->setIcon(KIcon("preferences-web-browser-shortcuts"));
     _webSearchMenu->setVisible(false);
     collection->addAction("web-search", _webSearchMenu);
 
 
     action = collection->addAction("select-all", this, SLOT(selectAll()));
     action->setText(i18n("&Select All"));
     action->setIcon(KIcon("edit-select-all"));
 
     action = collection->addAction("select-line", this, SLOT(selectLine()));
     action->setText(i18n("Select &Line"));
 
     action = KStandardAction::saveAs(this, SLOT(saveHistory()), collection);
     action->setText(i18n("Save Output &As..."));
 
     action = KStandardAction::print(this, SLOT(print_screen()), collection);
     action->setText(i18n("&Print Screen..."));
     action->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_P));
 
     action = collection->addAction("adjust-history", this, SLOT(showHistoryOptions()));
     action->setText(i18n("Adjust Scrollback..."));
     action->setIcon(KIcon("configure"));
 
     action = collection->addAction("clear-history", this, SLOT(clearHistory()));
     action->setText(i18n("Clear Scrollback"));
     action->setIcon(KIcon("edit-clear-history"));
 
     action = collection->addAction("clear-history-and-reset", this, SLOT(clearHistoryAndReset()));
     action->setText(i18n("Clear Scrollback and Reset"));
     action->setIcon(KIcon("edit-clear-history"));
     action->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_K));
 
     // Profile Options
     action = collection->addAction("edit-current-profile", this, SLOT(editCurrentProfile()));
     action->setText(i18n("Edit Current Profile..."));
     action->setIcon(KIcon("document-properties"));
 
     _switchProfileMenu = new KActionMenu(i18n("Switch Profile"), this);
     collection->addAction("switch-profile", _switchProfileMenu);
     connect(_switchProfileMenu->menu(), SIGNAL(aboutToShow()), this, SLOT(prepareSwitchProfileMenu()));
 
     // History
     _findAction = KStandardAction::find(this, SLOT(searchBarEvent()), collection);
     _findAction->setShortcut(QKeySequence());
 
     _findNextAction = KStandardAction::findNext(this, SLOT(findNextInHistory()), collection);
     _findNextAction->setShortcut(QKeySequence());
     _findNextAction->setEnabled(false);
 
     _findPreviousAction = KStandardAction::findPrev(this, SLOT(findPreviousInHistory()), collection);
     _findPreviousAction->setShortcut(QKeySequence());
     _findPreviousAction->setEnabled(false);
 
     // Character Encoding
     _codecAction = new KCodecAction(i18n("Set &Encoding"), this);
     _codecAction->setIcon(KIcon("character-set"));
     collection->addAction("set-encoding", _codecAction);
     connect(_codecAction->menu(), SIGNAL(aboutToShow()), this, SLOT(updateCodecAction()));
     connect(_codecAction, SIGNAL(triggered(QTextCodec*)), this, SLOT(changeCodec(QTextCodec*)));
 }
 
 void SessionController::setupExtraActions()
 {
     KAction* action = 0;
     KToggleAction* toggleAction = 0;
     KActionCollection* collection = actionCollection();
 
     // Rename Session
     action = collection->addAction("rename-session", this, SLOT(renameSession()));
     action->setText(i18n("&Rename Tab..."));
     action->setIcon(KIcon("edit-rename"));
     action->setShortcut(QKeySequence(Qt::CTRL + Qt::ALT + Qt::Key_S));
 
     // Copy input to ==> all tabs
     KToggleAction* copyInputToAllTabsAction = collection->add<KToggleAction>("copy-input-to-all-tabs");
     copyInputToAllTabsAction->setText(i18n("&All Tabs in Current Window"));
     copyInputToAllTabsAction->setData(CopyInputToAllTabsMode);
     // this action is also used in other place, so remember it
     _copyInputToAllTabsAction = copyInputToAllTabsAction;
 
     // Copy input to ==> selected tabs
     KToggleAction* copyInputToSelectedTabsAction = collection->add<KToggleAction>("copy-input-to-selected-tabs");
     copyInputToSelectedTabsAction->setText(i18n("&Select Tabs..."));
     copyInputToSelectedTabsAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Period));
     copyInputToSelectedTabsAction->setData(CopyInputToSelectedTabsMode);
 
     // Copy input to ==> none
     KToggleAction* copyInputToNoneAction = collection->add<KToggleAction>("copy-input-to-none");
     copyInputToNoneAction->setText(i18nc("@action:inmenu Do not select any tabs", "&None"));
     copyInputToNoneAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Slash));
     copyInputToNoneAction->setData(CopyInputToNoneMode);
     copyInputToNoneAction->setChecked(true); // the default state
 
     // The "Copy Input To" submenu
     // The above three choices are represented as combo boxes
     KSelectAction* copyInputActions = collection->add<KSelectAction>("copy-input-to");
     copyInputActions->setText(i18n("Copy Input To"));
     copyInputActions->addAction(copyInputToAllTabsAction);
     copyInputActions->addAction(copyInputToSelectedTabsAction);
     copyInputActions->addAction(copyInputToNoneAction);
     connect(copyInputActions, SIGNAL(triggered(QAction*)), this, SLOT(copyInputActionsTriggered(QAction*)));
 
     action = collection->addAction("zmodem-upload", this, SLOT(zmodemUpload()));
     action->setText(i18n("&ZModem Upload..."));
     action->setIcon(KIcon("document-open"));
     action->setShortcut(QKeySequence(Qt::CTRL + Qt::ALT + Qt::Key_U));
 
     // Monitor
     toggleAction = new KToggleAction(i18n("Monitor for &Activity"), this);
     toggleAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_A));
     action = collection->addAction("monitor-activity", toggleAction);
     connect(action, SIGNAL(toggled(bool)), this, SLOT(monitorActivity(bool)));
 
     toggleAction = new KToggleAction(i18n("Monitor for &Silence"), this);
     toggleAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_I));
     action = collection->addAction("monitor-silence", toggleAction);
     connect(action, SIGNAL(toggled(bool)), this, SLOT(monitorSilence(bool)));
 
     // Text Size
     action = collection->addAction("enlarge-font", this, SLOT(increaseFontSize()));
     action->setText(i18n("Enlarge Font"));
     action->setIcon(KIcon("format-font-size-more"));
     KShortcut enlargeFontShortcut = action->shortcut();
     enlargeFontShortcut.setPrimary(QKeySequence(Qt::CTRL + Qt::Key_Plus));
     enlargeFontShortcut.setAlternate(QKeySequence(Qt::CTRL + Qt::Key_Equal));
     action->setShortcut(enlargeFontShortcut);
 
     action = collection->addAction("shrink-font", this, SLOT(decreaseFontSize()));
     action->setText(i18n("Shrink Font"));
     action->setIcon(KIcon("format-font-size-less"));
     action->setShortcut(KShortcut(Qt::CTRL | Qt::Key_Minus));
 
     // Send signal
     KSelectAction* sendSignalActions = collection->add<KSelectAction>("send-signal");
     sendSignalActions->setText(i18n("Send Signal"));
     connect(sendSignalActions, SIGNAL(triggered(QAction*)), this, SLOT(sendSignal(QAction*)));
 
     action = collection->addAction("sigstop-signal");
     action->setText(i18n("&Suspend Task")   + " (STOP)");
     action->setData(SIGSTOP);
     sendSignalActions->addAction(action);
 
     action = collection->addAction("sigcont-signal");
     action->setText(i18n("&Continue Task")  + " (CONT)");
     action->setData(SIGCONT);
     sendSignalActions->addAction(action);
 
     action = collection->addAction("sighup-signal");
     action->setText(i18n("&Hangup")         + " (HUP)");
     action->setData(SIGHUP);
     sendSignalActions->addAction(action);
 
     action = collection->addAction("sigint-signal");
     action->setText(i18n("&Interrupt Task") + " (INT)");
     action->setData(SIGINT);
     sendSignalActions->addAction(action);
 
     action = collection->addAction("sigterm-signal");
     action->setText(i18n("&Terminate Task") + " (TERM)");
     action->setData(SIGTERM);
     sendSignalActions->addAction(action);
 
     action = collection->addAction("sigkill-signal");
     action->setText(i18n("&Kill Task")      + " (KILL)");
     action->setData(SIGKILL);
     sendSignalActions->addAction(action);
 
     action = collection->addAction("sigusr1-signal");
     action->setText(i18n("User Signal &1")   + " (USR1)");
     action->setData(SIGUSR1);
     sendSignalActions->addAction(action);
 
     action = collection->addAction("sigusr2-signal");
     action->setText(i18n("User Signal &2")   + " (USR2)");
     action->setData(SIGUSR2);
     sendSignalActions->addAction(action);
 
     _findAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_F));
     _findNextAction->setShortcut(QKeySequence(Qt::Key_F3));
     _findPreviousAction->setShortcut(QKeySequence(Qt::SHIFT + Qt::Key_F3));
 }
 
 void SessionController::switchProfile(Profile::Ptr profile)
 {
     SessionManager::instance()->setSessionProfile(_session, profile);
 }
 
 void SessionController::prepareSwitchProfileMenu()
 {
     if (_switchProfileMenu->menu()->isEmpty()) {
         _profileList = new ProfileList(false, this);
         connect(_profileList, SIGNAL(profileSelected(Profile::Ptr)), this, SLOT(switchProfile(Profile::Ptr)));
     }
 
     _switchProfileMenu->menu()->clear();
     _switchProfileMenu->menu()->addActions(_profileList->actions());
 }
 void SessionController::updateCodecAction()
 {
     _codecAction->setCurrentCodec(QString(_session->codec()));
 }
 
 void SessionController::changeCodec(QTextCodec* codec)
 {
     _session->setCodec(codec);
 }
 
 EditProfileDialog* SessionController::profileDialogPointer()
 {
     return _editProfileDialog.data();
 }
 
 void SessionController::editCurrentProfile()
 {
     // Searching for Edit profile dialog opened with the same profile
     foreach (SessionController* session, _allControllers.values()) {
         if (session->profileDialogPointer()
                 && session->profileDialogPointer()->isVisible()
                 && session->profileDialogPointer()->lookupProfile() == SessionManager::instance()->sessionProfile(_session)) {
             session->profileDialogPointer()->close();
         }
     }
 
     // NOTE bug311270: For to prevent the crash, the profile must be reset.
     if (!_editProfileDialog.isNull()) {
         // exists but not visible
         delete _editProfileDialog.data();
     }
 
     _editProfileDialog = new EditProfileDialog(QApplication::activeWindow());
     _editProfileDialog.data()->setProfile(SessionManager::instance()->sessionProfile(_session));
     _editProfileDialog.data()->show();
 }
 
 void SessionController::renameSession()
 {
     QScopedPointer<RenameTabDialog> dialog(new RenameTabDialog(QApplication::activeWindow()));
     dialog->setTabTitleText(_session->tabTitleFormat(Session::LocalTabTitle));
     dialog->setRemoteTabTitleText(_session->tabTitleFormat(Session::RemoteTabTitle));
 
     if (_session->isRemote()) {
         dialog->focusRemoteTabTitleText();
     } else {
         dialog->focusTabTitleText();
     }
 
     QPointer<Session> guard(_session);
     int result = dialog->exec();
     if (!guard)
         return;
 
     if (result) {
         QString tabTitle = dialog->tabTitleText();
         QString remoteTabTitle = dialog->remoteTabTitleText();
 
         _session->setTabTitleFormat(Session::LocalTabTitle, tabTitle);
         _session->setTabTitleFormat(Session::RemoteTabTitle, remoteTabTitle);
 
         // trigger an update of the tab text
         snapshot();
     }
 }
 
 bool SessionController::confirmClose() const
 {
     if (_session->isForegroundProcessActive()) {
         QString title = _session->foregroundProcessName();
 
         // hard coded for now.  In future make it possible for the user to specify which programs
         // are ignored when considering whether to display a confirmation
         QStringList ignoreList;
         ignoreList << QString(qgetenv("SHELL")).section('/', -1);
         if (ignoreList.contains(title))
             return true;
 
         QString question;
         if (title.isEmpty())
             question = i18n("A program is currently running in this session."
                             "  Are you sure you want to close it?");
         else
             question = i18n("The program '%1' is currently running in this session."
                             "  Are you sure you want to close it?", title);
 
         int result = KMessageBox::warningYesNo(_view->window(), question, i18n("Confirm Close"));
         return (result == KMessageBox::Yes) ? true : false;
     }
     return true;
 }
 bool SessionController::confirmForceClose() const
 {
     if (_session->isRunning()) {
         QString title = _session->program();
 
         // hard coded for now.  In future make it possible for the user to specify which programs
         // are ignored when considering whether to display a confirmation
         QStringList ignoreList;
         ignoreList << QString(qgetenv("SHELL")).section('/', -1);
         if (ignoreList.contains(title))
             return true;
 
         QString question;
         if (title.isEmpty())
             question = i18n("A program in this session would not die."
                             "  Are you sure you want to kill it by force?");
         else
             question = i18n("The program '%1' is in this session would not die."
                             "  Are you sure you want to kill it by force?", title);
 
         int result = KMessageBox::warningYesNo(_view->window(), question, i18n("Confirm Close"));
         return (result == KMessageBox::Yes) ? true : false;
     }
     return true;
 }
 void SessionController::closeSession()
 {
     if (_preventClose)
         return;
 
     if (confirmClose()) {
         if (_session->closeInNormalWay()) {
             return;
         } else if (confirmForceClose()) {
             if (_session->closeInForceWay())
                 return;
             else
                 kWarning() << "Konsole failed to close a session in any way.";
         }
     }
 }
 
 // Trying to open a remote Url may produce unexpected results.
 // Therefore, if a remote url, open the user's home path.
 // TODO consider: 1) disable menu upon remote session
 //   2) transform url to get the desired result (ssh -> sftp, etc)
 void SessionController::openBrowser()
 {
     KUrl currentUrl = url();
 
     if (currentUrl.isLocalFile())
         new KRun(currentUrl, QApplication::activeWindow(), 0, true, true);
     else
         new KRun(KUrl(QDir::homePath()), QApplication::activeWindow(), 0, true, true);
 }
 
 void SessionController::copy()
 {
     _view->copyToClipboard();
 }
 
 void SessionController::paste()
 {
     _view->pasteFromClipboard();
 }
 void SessionController::pasteFromX11Selection()
 {
     _view->pasteFromX11Selection();
 }
 void SessionController::selectAll()
 {
     ScreenWindow * screenWindow = _view->screenWindow();
     screenWindow->setSelectionByLineRange(0, _session->emulation()->lineCount());
     _view->copyToX11Selection();
 }
 void SessionController::selectLine()
 {
     _view->selectCurrentLine();
 }
 static const KXmlGuiWindow* findWindow(const QObject* object)
 {
     // Walk up the QObject hierarchy to find a KXmlGuiWindow.
     while (object != 0) {
         const KXmlGuiWindow* window = qobject_cast<const KXmlGuiWindow*>(object);
         if (window != 0) {
             return(window);
         }
         object = object->parent();
     }
     return(0);
 }
 
 static bool hasTerminalDisplayInSameWindow(const Session* session, const KXmlGuiWindow* window)
 {
     // Iterate all TerminalDisplays of this Session ...
     foreach(const TerminalDisplay* terminalDisplay, session->views()) {
         // ... and check whether a TerminalDisplay has the same
         // window as given in the parameter
         if (window == findWindow(terminalDisplay)) {
             return(true);
         }
     }
     return(false);
 }
 
 void SessionController::copyInputActionsTriggered(QAction* action)
 {
     const int mode = action->data().value<int>();
 
     switch (mode) {
     case CopyInputToAllTabsMode:
         copyInputToAllTabs();
         break;
     case CopyInputToSelectedTabsMode:
         copyInputToSelectedTabs();
         break;
     case CopyInputToNoneMode:
         copyInputToNone();
         break;
     default:
         Q_ASSERT(false);
     }
 }
 
 void SessionController::copyInputToAllTabs()
 {
     if (!_copyToGroup) {
         _copyToGroup = new SessionGroup(this);
     }
 
     // Find our window ...
     const KXmlGuiWindow* myWindow = findWindow(_view);
 
     QSet<Session*> group =
         QSet<Session*>::fromList(SessionManager::instance()->sessions());
     for (QSet<Session*>::iterator iterator = group.begin();
             iterator != group.end(); ++iterator) {
         Session* session = *iterator;
 
         // First, ensure that the session is removed
         // (necessary to avoid duplicates on addSession()!)
         _copyToGroup->removeSession(session);
 
         // Add current session if it is displayed our window
         if (hasTerminalDisplayInSameWindow(session, myWindow)) {
             _copyToGroup->addSession(session);
         }
     }
     _copyToGroup->setMasterStatus(_session, true);
     _copyToGroup->setMasterMode(SessionGroup::CopyInputToAll);
 
     snapshot();
 }
 
 void SessionController::copyInputToSelectedTabs()
 {
     if (!_copyToGroup) {
         _copyToGroup = new SessionGroup(this);
         _copyToGroup->addSession(_session);
         _copyToGroup->setMasterStatus(_session, true);
         _copyToGroup->setMasterMode(SessionGroup::CopyInputToAll);
     }
 
     QPointer<CopyInputDialog> dialog = new CopyInputDialog(_view);
     dialog->setMasterSession(_session);
 
     QSet<Session*> currentGroup = QSet<Session*>::fromList(_copyToGroup->sessions());
     currentGroup.remove(_session);
 
     dialog->setChosenSessions(currentGroup);
 
     QPointer<Session> guard(_session);
     int result = dialog->exec();
     if (!guard)
         return;
 
     if (result == QDialog::Accepted) {
         QSet<Session*> newGroup = dialog->chosenSessions();
         newGroup.remove(_session);
 
         QSet<Session*> completeGroup = newGroup | currentGroup;
         foreach(Session * session, completeGroup) {
             if (newGroup.contains(session) && !currentGroup.contains(session))
                 _copyToGroup->addSession(session);
             else if (!newGroup.contains(session) && currentGroup.contains(session))
                 _copyToGroup->removeSession(session);
         }
 
         _copyToGroup->setMasterStatus(_session, true);
         _copyToGroup->setMasterMode(SessionGroup::CopyInputToAll);
         snapshot();
     }
 }
 
 void SessionController::copyInputToNone()
 {
     if (!_copyToGroup)      // No 'Copy To' is active
         return;
 
     QSet<Session*> group =
         QSet<Session*>::fromList(SessionManager::instance()->sessions());
     for (QSet<Session*>::iterator iterator = group.begin();
             iterator != group.end(); ++iterator) {
         Session* session = *iterator;
 
         if (session != _session) {
             _copyToGroup->removeSession(*iterator);
         }
     }
     delete _copyToGroup;
     _copyToGroup = 0;
     snapshot();
 }
 
 void SessionController::searchClosed()
 {
     _isSearchBarEnabled = false;
     searchHistory(false);
 }
 
 void SessionController::setSearchStartToWindowCurrentLine()
 {
     setSearchStartTo(-1);
 }
 
 void SessionController::setSearchStartTo(int line)
 {
     _searchStartLine = line;
     _prevSearchResultLine = line;
 }
 
 void SessionController::listenForScreenWindowUpdates()
 {
     if (_listenForScreenWindowUpdates)
         return;
 
     connect(_view->screenWindow(), SIGNAL(outputChanged()), this,
             SLOT(updateSearchFilter()));
     connect(_view->screenWindow(), SIGNAL(scrolled(int)), this,
             SLOT(updateSearchFilter()));
     connect(_view->screenWindow(), SIGNAL(currentResultLineChanged()), _view,
             SLOT(update()));
 
     _listenForScreenWindowUpdates = true;
 }
 
 void SessionController::updateSearchFilter()
 {
     if (_searchFilter && _searchBar) {
         _view->processFilters();
     }
 }
 
 void SessionController::searchBarEvent()
 {
     QString selectedText = _view->screenWindow()->selectedText(true, true);
     if (!selectedText.isEmpty())
         _searchBar->setSearchText(selectedText);
 
     if (_searchBar->isVisible()) {
         _searchBar->focusLineEdit();
     } else {
         searchHistory(true);
         _isSearchBarEnabled = true;
     }
 }
 
 void SessionController::enableSearchBar(bool showSearchBar)
 {
     if (!_searchBar)
         return;
 
     if (showSearchBar && !_searchBar->isVisible()) {
         setSearchStartToWindowCurrentLine();
     }
 
     _searchBar->setVisible(showSearchBar);
     if (showSearchBar) {
         connect(_searchBar, SIGNAL(searchChanged(QString)), this,
                 SLOT(searchTextChanged(QString)));
         connect(_searchBar, SIGNAL(searchReturnPressed(QString)), this,
                 SLOT(findPreviousInHistory()));
         connect(_searchBar, SIGNAL(searchShiftPlusReturnPressed()), this,
                 SLOT(findNextInHistory()));
     } else {
         disconnect(_searchBar, SIGNAL(searchChanged(QString)), this,
                    SLOT(searchTextChanged(QString)));
         disconnect(_searchBar, SIGNAL(searchReturnPressed(QString)), this,
                    SLOT(findPreviousInHistory()));
         disconnect(_searchBar, SIGNAL(searchShiftPlusReturnPressed()), this,
                    SLOT(findNextInHistory()));
         if (_view && _view->screenWindow()) {
             _view->screenWindow()->setCurrentResultLine(-1);
         }
     }
 }
 
 
 bool SessionController::reverseSearchChecked() const
 {
     Q_ASSERT(_searchBar);
 
     QBitArray options = _searchBar->optionsChecked();
     return options.at(IncrementalSearchBar::ReverseSearch);
 }
 
 QRegExp SessionController::regexpFromSearchBarOptions()
 {
     QBitArray options = _searchBar->optionsChecked();
 
     Qt::CaseSensitivity caseHandling = options.at(IncrementalSearchBar::MatchCase) ? Qt::CaseSensitive : Qt::CaseInsensitive;
     QRegExp::PatternSyntax syntax = options.at(IncrementalSearchBar::RegExp) ? QRegExp::RegExp : QRegExp::FixedString;
 
     QRegExp regExp(_searchBar->searchText(),  caseHandling , syntax);
     return regExp;
 }
 
 // searchHistory() may be called either as a result of clicking a menu item or
 // as a result of changing the search bar widget
 void SessionController::searchHistory(bool showSearchBar)
 {
     enableSearchBar(showSearchBar);
 
     if (_searchBar) {
         if (showSearchBar) {
             removeSearchFilter();
 
             listenForScreenWindowUpdates();
 
             _searchFilter = new RegExpFilter();
             _searchFilter->setRegExp(regexpFromSearchBarOptions());
             _view->filterChain()->addFilter(_searchFilter);
             _view->processFilters();
 
             setFindNextPrevEnabled(true);
         } else {
             setFindNextPrevEnabled(false);
 
             removeSearchFilter();
 
             _view->setFocus(Qt::ActiveWindowFocusReason);
         }
     }
 }
 
 void SessionController::setFindNextPrevEnabled(bool enabled)
 {
     _findNextAction->setEnabled(enabled);
     _findPreviousAction->setEnabled(enabled);
 }
 void SessionController::searchTextChanged(const QString& text)
 {
     Q_ASSERT(_view->screenWindow());
 
     if (_searchText == text)
         return;
 
     _searchText = text;
 
     if (text.isEmpty()) {
         _view->screenWindow()->clearSelection();
         _view->screenWindow()->scrollTo(_searchStartLine);
     }
 
     // update search.  this is called even when the text is
     // empty to clear the view's filters
     beginSearch(text , reverseSearchChecked() ? SearchHistoryTask::BackwardsSearch : SearchHistoryTask::ForwardsSearch);
 }
 void SessionController::searchCompleted(bool success)
 {
     _prevSearchResultLine = _view->screenWindow()->currentResultLine();
 
     if (_searchBar)
         _searchBar->setFoundMatch(success);
 }
 
 void SessionController::beginSearch(const QString& text , int direction)
 {
     Q_ASSERT(_searchBar);
     Q_ASSERT(_searchFilter);
 
     QRegExp regExp = regexpFromSearchBarOptions();
     _searchFilter->setRegExp(regExp);
 
     if (_searchStartLine == -1) {
         if (direction == SearchHistoryTask::ForwardsSearch) {
             setSearchStartTo(_view->screenWindow()->currentLine());
         } else {
             setSearchStartTo(_view->screenWindow()->currentLine() + _view->screenWindow()->windowLines());
         }
     }
 
     if (!regExp.isEmpty()) {
         _view->screenWindow()->setCurrentResultLine(-1);
         SearchHistoryTask* task = new SearchHistoryTask(this);
 
         connect(task, SIGNAL(completed(bool)), this, SLOT(searchCompleted(bool)));
 
         task->setRegExp(regExp);
         task->setSearchDirection((SearchHistoryTask::SearchDirection)direction);
         task->setAutoDelete(true);
         task->setStartLine(_searchStartLine);
         task->addScreenWindow(_session , _view->screenWindow());
         task->execute();
     } else if (text.isEmpty()) {
         searchCompleted(false);
     }
 
     _view->processFilters();
 }
 void SessionController::highlightMatches(bool highlight)
 {
     if (highlight) {
         _view->filterChain()->addFilter(_searchFilter);
         _view->processFilters();
     } else {
         _view->filterChain()->removeFilter(_searchFilter);
     }
 
     _view->update();
 }
 
 void SessionController::searchFrom()
 {
     Q_ASSERT(_searchBar);
     Q_ASSERT(_searchFilter);
 
     if (reverseSearchChecked()) {
         setSearchStartTo(_view->screenWindow()->lineCount());
     } else {
         setSearchStartTo(0);
     }
 
 
     beginSearch(_searchBar->searchText(), reverseSearchChecked() ? SearchHistoryTask::BackwardsSearch : SearchHistoryTask::ForwardsSearch);
 }
 void SessionController::findNextInHistory()
 {
     Q_ASSERT(_searchBar);
     Q_ASSERT(_searchFilter);
 
     setSearchStartTo(_prevSearchResultLine);
 
     beginSearch(_searchBar->searchText(), reverseSearchChecked() ? SearchHistoryTask::BackwardsSearch : SearchHistoryTask::ForwardsSearch);
 }
 void SessionController::findPreviousInHistory()
 {
     Q_ASSERT(_searchBar);
     Q_ASSERT(_searchFilter);
 
     setSearchStartTo(_prevSearchResultLine);
 
     beginSearch(_searchBar->searchText(), reverseSearchChecked() ? SearchHistoryTask::ForwardsSearch : SearchHistoryTask::BackwardsSearch);
 }
 void SessionController::changeSearchMatch()
 {
     Q_ASSERT(_searchBar);
     Q_ASSERT(_searchFilter);
 
     // reset Selection for new case match
     _view->screenWindow()->clearSelection();
     beginSearch(_searchBar->searchText(), reverseSearchChecked() ? SearchHistoryTask::BackwardsSearch : SearchHistoryTask::ForwardsSearch);
 }
 void SessionController::showHistoryOptions()
 {
     QScopedPointer<HistorySizeDialog> dialog(new HistorySizeDialog(QApplication::activeWindow()));
     const HistoryType& currentHistory = _session->historyType();
 
     if (currentHistory.isEnabled()) {
         if (currentHistory.isUnlimited()) {
             dialog->setMode(Enum::UnlimitedHistory);
         } else {
             dialog->setMode(Enum::FixedSizeHistory);
             dialog->setLineCount(currentHistory.maximumLineCount());
         }
     } else {
         dialog->setMode(Enum::NoHistory);
     }
 
     QPointer<Session> guard(_session);
     int result = dialog->exec();
     if (!guard)
         return;
 
     if (result) {
         scrollBackOptionsChanged(dialog->mode(), dialog->lineCount());
     }
 }
 void SessionController::sessionResizeRequest(const QSize& size)
 {
     //kDebug() << "View resize requested to " << size;
     _view->setSize(size.width(), size.height());
 }
 void SessionController::scrollBackOptionsChanged(int mode, int lines)
 {
     switch (mode) {
     case Enum::NoHistory:
         _session->setHistoryType(HistoryTypeNone());
         break;
     case Enum::FixedSizeHistory:
         _session->setHistoryType(CompactHistoryType(lines));
         break;
     case Enum::UnlimitedHistory:
         _session->setHistoryType(HistoryTypeFile());
         break;
     }
 }
 
 void SessionController::print_screen()
 {
     QPrinter printer;
 
     QPointer<QPrintDialog> dialog = new QPrintDialog(&printer, _view);
     PrintOptions* options = new PrintOptions();
 
     dialog->setOptionTabs(QList<QWidget*>() << options);
     dialog->setWindowTitle(i18n("Print Shell"));
     connect(dialog, SIGNAL(accepted()), options, SLOT(saveSettings()));
     if (dialog->exec() != QDialog::Accepted)
         return;
 
     QPainter painter;
     painter.begin(&printer);
 
     KConfigGroup configGroup(KGlobal::config(), "PrintOptions");
 
     if (configGroup.readEntry("ScaleOutput", true)) {
         double scale = qMin(printer.pageRect().width() / static_cast<double>(_view->width()),
                             printer.pageRect().height() / static_cast<double>(_view->height()));
         painter.scale(scale, scale);
     }
 
     _view->printContent(painter, configGroup.readEntry("PrinterFriendly", true));
 }
 
 void SessionController::saveHistory()
 {
     SessionTask* task = new SaveHistoryTask(this);
     task->setAutoDelete(true);
     task->addSession(_session);
     task->execute();
 }
 
 void SessionController::clearHistory()
 {
     _session->clearHistory();
     _view->updateImage();   // To reset view scrollbar
 }
 
 void SessionController::clearHistoryAndReset()
 {
     Profile::Ptr profile = SessionManager::instance()->sessionProfile(_session);
     QByteArray name = profile->defaultEncoding().toUtf8();
 
     Emulation* emulation = _session->emulation();
     emulation->reset();
     _session->refresh();
     _session->setCodec(QTextCodec::codecForName(name));
     clearHistory();
 }
 
 void SessionController::increaseFontSize()
 {
     _view->increaseFontSize();
 }
 
 void SessionController::decreaseFontSize()
 {
     _view->decreaseFontSize();
 }
 
 void SessionController::monitorActivity(bool monitor)
 {
     _session->setMonitorActivity(monitor);
 }
 void SessionController::monitorSilence(bool monitor)
 {
     _session->setMonitorSilence(monitor);
 }
 void SessionController::updateSessionIcon()
 {
     // Visualize that the session is broadcasting to others
     if (_copyToGroup && _copyToGroup->sessions().count() > 1) {
         // Master Mode: set different icon, to warn the user to be careful
         setIcon(_broadcastIcon);
     } else {
         if (!_keepIconUntilInteraction) {
             // Not in Master Mode: use normal icon
             setIcon(_sessionIcon);
         }
     }
 }
 void SessionController::sessionTitleChanged()
 {
     if (_sessionIconName != _session->iconName()) {
         _sessionIconName = _session->iconName();
         _sessionIcon = KIcon(_sessionIconName);
         updateSessionIcon();
     }
 
     QString title = _session->title(Session::DisplayedTitleRole);
 
     // special handling for the "%w" marker which is replaced with the
     // window title set by the shell
     title.replace("%w", _session->userTitle());
     // special handling for the "%#" marker which is replaced with the
     // number of the shell
     title.replace("%#", QString::number(_session->sessionId()));
 
     if (title.isEmpty())
         title = _session->title(Session::NameRole);
 
     setTitle(title);
     emit rawTitleChanged();
 }
 
 void SessionController::showDisplayContextMenu(const QPoint& position)
 {
     // needed to make sure the popup menu is available, even if a hosting
     // application did not merge our GUI.
     if (!factory()) {
         if (!clientBuilder()) {
             setClientBuilder(new KXMLGUIBuilder(_view));
         }
 
         KXMLGUIFactory* factory = new KXMLGUIFactory(clientBuilder(), this);
         factory->addClient(this);
         //kDebug() << "Created xmlgui factory" << factory;
     }
 
     QPointer<QMenu> popup = qobject_cast<QMenu*>(factory()->container("session-popup-menu", this));
     if (popup) {
         // prepend content-specific actions such as "Open Link", "Copy Email Address" etc.
         QList<QAction*> contentActions = _view->filterActions(position);
         QAction* contentSeparator = new QAction(popup);
         contentSeparator->setSeparator(true);
         contentActions << contentSeparator;
         popup->insertActions(popup->actions().value(0, 0), contentActions);
 
         // always update this submenu before showing the context menu,
         // because the available search services might have changed
         // since the context menu is shown last time
         updateWebSearchMenu();
 
         _preventClose = true;
 
         if (_showMenuAction) {
             if (  _showMenuAction->isChecked() ) {
                 popup->removeAction( _showMenuAction);
             } else {
                 popup->insertAction(_switchProfileMenu, _showMenuAction);
             }
         }
 
         QAction* chosen = popup->exec(_view->mapToGlobal(position));
 
         // check for validity of the pointer to the popup menu
         if (popup) {
             // Remove content-specific actions
             //
             // If the close action was chosen, the popup menu will be partially
             // destroyed at this point, and the rest will be destroyed later by
             // 'chosen->trigger()'
             foreach(QAction * action, contentActions) {
                 popup->removeAction(action);
             }
 
             delete contentSeparator;
         }
 
         _preventClose = false;
 
         if (chosen && chosen->objectName() == "close-session")
             chosen->trigger();
     } else {
         kWarning() << "Unable to display popup menu for session"
                    << _session->title(Session::NameRole)
                    << ", no GUI factory available to build the popup.";
     }
 }
 
 void SessionController::movementKeyFromSearchBarReceived(QKeyEvent *event)
 {
     QCoreApplication::sendEvent(_view, event);
     setSearchStartToWindowCurrentLine();
 }
 
 void SessionController::sessionStateChanged(int state)
 {
     if (state == _previousState)
         return;
 
     if (state == NOTIFYACTIVITY) {
         setIcon(_activityIcon);
         _keepIconUntilInteraction = true;
     } else if (state == NOTIFYSILENCE) {
         setIcon(_silenceIcon);
         _keepIconUntilInteraction = true;
     } else if (state == NOTIFYNORMAL) {
         if (_sessionIconName != _session->iconName()) {
             _sessionIconName = _session->iconName();
             _sessionIcon = KIcon(_sessionIconName);
         }
 
         updateSessionIcon();
     }
 
     _previousState = state;
 }
 
 void SessionController::zmodemDownload()
 {
     QString zmodem = KStandardDirs::findExe("rz");
     if (zmodem.isEmpty()) {
         zmodem = KStandardDirs::findExe("lrz");
     }
     if (!zmodem.isEmpty()) {
         const QString path = KFileDialog::getExistingDirectory(
                                  QString(), _view,
                                  i18n("Save ZModem Download to..."));
 
         if (!path.isEmpty()) {
             _session->startZModem(zmodem, path, QStringList());
             return;
         }
     } else {
         KMessageBox::error(_view,
                            i18n("<p>A ZModem file transfer attempt has been detected, "
                                 "but no suitable ZModem software was found on this system.</p>"
                                 "<p>You may wish to install the 'rzsz' or 'lrzsz' package.</p>"));
     }
     _session->cancelZModem();
     return;
 }
 
 void SessionController::zmodemUpload()
 {
     if (_session->isZModemBusy()) {
         KMessageBox::sorry(_view,
                            i18n("<p>The current session already has a ZModem file transfer in progress.</p>"));
         return;
     }
     QString zmodem = KStandardDirs::findExe("sz");
     if (zmodem.isEmpty()) {
         zmodem = KStandardDirs::findExe("lsz");
     }
     if (zmodem.isEmpty()) {
         KMessageBox::sorry(_view,
                            i18n("<p>No suitable ZModem software was found on this system.</p>"
                                 "<p>You may wish to install the 'rzsz' or 'lrzsz' package.</p>"));
         return;
     }
 
     QStringList files = KFileDialog::getOpenFileNames(KUrl(), QString(), _view,
                         i18n("Select Files for ZModem Upload"));
     if (!files.isEmpty()) {
         _session->startZModem(zmodem, QString(), files);
     }
 }
 
 bool SessionController::isKonsolePart() const
 {
     // Check to see if we are being called from Konsole or a KPart
     if (QString(qApp->metaObject()->className()) == "Konsole::Application")
         return false;
     else
         return true;
 }
 
 SessionTask::SessionTask(QObject* parent)
     :  QObject(parent)
     ,  _autoDelete(false)
 {
 }
 void SessionTask::setAutoDelete(bool enable)
 {
     _autoDelete = enable;
 }
 bool SessionTask::autoDelete() const
 {
     return _autoDelete;
 }
 void SessionTask::addSession(Session* session)
 {
     _sessions << session;
 }
 QList<SessionPtr> SessionTask::sessions() const
 {
     return _sessions;
 }
 
 SaveHistoryTask::SaveHistoryTask(QObject* parent)
     : SessionTask(parent)
 {
 }
 SaveHistoryTask::~SaveHistoryTask()
 {
 }
 
 void SaveHistoryTask::execute()
 {
     // TODO - think about the UI when saving multiple history sessions, if there are more than two or
     //        three then providing a URL for each one will be tedious
 
     // TODO - show a warning ( preferably passive ) if saving the history output fails
     //
 
     KFileDialog* dialog = new KFileDialog(QString(":konsole") /* check this */,
                                           QString(), QApplication::activeWindow());
     dialog->setOperationMode(KFileDialog::Saving);
     dialog->setConfirmOverwrite(true);
 
     QStringList mimeTypes;
     mimeTypes << "text/plain";
     mimeTypes << "text/html";
     dialog->setMimeFilter(mimeTypes, "text/plain");
 
     // iterate over each session in the task and display a dialog to allow the user to choose where
     // to save that session's history.
     // then start a KIO job to transfer the data from the history to the chosen URL
     foreach(const SessionPtr& session, sessions()) {
         dialog->setCaption(i18n("Save Output From %1", session->title(Session::NameRole)));
 
         int result = dialog->exec();
 
         if (result != QDialog::Accepted)
             continue;
 
         KUrl url = dialog->selectedUrl();
 
         if (!url.isValid()) {
             // UI:  Can we make this friendlier?
             KMessageBox::sorry(0 , i18n("%1 is an invalid URL, the output could not be saved.", url.url()));
             continue;
         }
 
         KIO::TransferJob* job = KIO::put(url,
                                          -1,   // no special permissions
                                          // overwrite existing files
                                          // do not resume an existing transfer
                                          // show progress information only for remote
                                          // URLs
                                          KIO::Overwrite | (url.isLocalFile() ? KIO::HideProgressInfo : KIO::DefaultFlags)
                                          // a better solution would be to show progress
                                          // information after a certain period of time
                                          // instead, since the overall speed of transfer
                                          // depends on factors other than just the protocol
                                          // used
                                         );
 
         SaveJob jobInfo;
         jobInfo.session = session;
         jobInfo.lastLineFetched = -1;  // when each request for data comes in from the KIO subsystem
         // lastLineFetched is used to keep track of how much of the history
         // has already been sent, and where the next request should continue
         // from.
         // this is set to -1 to indicate the job has just been started
 
         if (dialog->currentMimeFilter() == "text/html")
             jobInfo.decoder = new HTMLDecoder();
         else
             jobInfo.decoder = new PlainTextDecoder();
 
         _jobSession.insert(job, jobInfo);
 
         connect(job, SIGNAL(dataReq(KIO::Job*,QByteArray&)),
                 this, SLOT(jobDataRequested(KIO::Job*,QByteArray&)));
         connect(job, SIGNAL(result(KJob*)),
                 this, SLOT(jobResult(KJob*)));
     }
 
     dialog->deleteLater();
 }
 void SaveHistoryTask::jobDataRequested(KIO::Job* job , QByteArray& data)
 {
     // TODO - Report progress information for the job
 
     // PERFORMANCE:  Do some tests and tweak this value to get faster saving
     const int LINES_PER_REQUEST = 500;
 
     SaveJob& info = _jobSession[job];
 
     // transfer LINES_PER_REQUEST lines from the session's history
     // to the save location
     if (info.session) {
         // note:  when retrieving lines from the emulation,
         // the first line is at index 0.
 
         int sessionLines = info.session->emulation()->lineCount();
 
         if (sessionLines - 1 == info.lastLineFetched)
             return; // if there is no more data to transfer then stop the job
 
         int copyUpToLine = qMin(info.lastLineFetched + LINES_PER_REQUEST ,
                                 sessionLines - 1);
 
         QTextStream stream(&data, QIODevice::ReadWrite);
         info.decoder->begin(&stream);
         info.session->emulation()->writeToStream(info.decoder , info.lastLineFetched + 1 , copyUpToLine);
         info.decoder->end();
 
         info.lastLineFetched = copyUpToLine;
     }
 }
 void SaveHistoryTask::jobResult(KJob* job)
 {
     if (job->error()) {
         KMessageBox::sorry(0 , i18n("A problem occurred when saving the output.\n%1", job->errorString()));
     }
 
     TerminalCharacterDecoder * decoder = _jobSession[job].decoder;
 
     _jobSession.remove(job);
 
     delete decoder;
 
     // notify the world that the task is done
     emit completed(true);
 
     if (autoDelete())
         deleteLater();
 }
 void SearchHistoryTask::addScreenWindow(Session* session , ScreenWindow* searchWindow)
 {
     _windows.insert(session, searchWindow);
 }
 void SearchHistoryTask::execute()
 {
     QMapIterator< SessionPtr , ScreenWindowPtr > iter(_windows);
 
     while (iter.hasNext()) {
         iter.next();
         executeOnScreenWindow(iter.key() , iter.value());
     }
 }
 
 void SearchHistoryTask::executeOnScreenWindow(SessionPtr session , ScreenWindowPtr window)
 {
     Q_ASSERT(session);
     Q_ASSERT(window);
 
     Emulation* emulation = session->emulation();
 
     if (!_regExp.isEmpty()) {
         int pos = -1;
         const bool forwards = (_direction == ForwardsSearch);
         const int lastLine = window->lineCount() - 1;
 
         int startLine;
         if (forwards && (_startLine == lastLine)) {
             startLine = 0;
         } else if (!forwards && (_startLine == 0)) {
             startLine = lastLine;
         } else {
             startLine = _startLine + (forwards ? 1 : -1);
         }
 
         QString string;
 
         //text stream to read history into string for pattern or regular expression searching
         QTextStream searchStream(&string);
 
         PlainTextDecoder decoder;
         decoder.setRecordLinePositions(true);
 
         //setup first and last lines depending on search direction
         int line = startLine;
 
         //read through and search history in blocks of 10K lines.
         //this balances the need to retrieve lots of data from the history each time
         //(for efficient searching)
         //without using silly amounts of memory if the history is very large.
         const int maxDelta = qMin(window->lineCount(), 10000);
         int delta = forwards ? maxDelta : -maxDelta;
 
         int endLine = line;
         bool hasWrapped = false;  // set to true when we reach the top/bottom
         // of the output and continue from the other
         // end
 
         //loop through history in blocks of <delta> lines.
         do {
             // ensure that application does not appear to hang
             // if searching through a lengthy output
             QApplication::processEvents();
 
             // calculate lines to search in this iteration
             if (hasWrapped) {
                 if (endLine == lastLine)
                     line = 0;
                 else if (endLine == 0)
                     line = lastLine;
 
                 endLine += delta;
 
                 if (forwards)
                     endLine = qMin(startLine , endLine);
                 else
                     endLine = qMax(startLine , endLine);
             } else {
                 endLine += delta;
 
                 if (endLine > lastLine) {
                     hasWrapped = true;
                     endLine = lastLine;
                 } else if (endLine < 0) {
                     hasWrapped = true;
                     endLine = 0;
                 }
             }
 
             decoder.begin(&searchStream);
             emulation->writeToStream(&decoder, qMin(endLine, line) , qMax(endLine, line));
             decoder.end();
 
             // line number search below assumes that the buffer ends with a new-line
             string.append('\n');
 
             if (forwards)
                 pos = string.indexOf(_regExp);
             else
                 pos = string.lastIndexOf(_regExp);
 
             //if a match is found, position the cursor on that line and update the screen
             if (pos != -1) {
                 int newLines = 0;
                 QList<int> linePositions = decoder.linePositions();
                 while (newLines < linePositions.count() && linePositions[newLines] <= pos)
                     newLines++;
 
                 // ignore the new line at the start of the buffer
                 newLines--;
 
                 int findPos = qMin(line, endLine) + newLines;
 
                 highlightResult(window, findPos);
 
                 emit completed(true);
 
                 return;
             }
 
             //clear the current block of text and move to the next one
             string.clear();
             line = endLine;
         } while (startLine != endLine);
 
         // if no match was found, clear selection to indicate this
         window->clearSelection();
         window->notifyOutputChanged();
     }
 
     emit completed(false);
 }
 void SearchHistoryTask::highlightResult(ScreenWindowPtr window , int findPos)
 {
     //work out how many lines into the current block of text the search result was found
     //- looks a little painful, but it only has to be done once per search.
 
     //kDebug() << "Found result at line " << findPos;
 
     //update display to show area of history containing selection
     if ((findPos < window->currentLine()) ||
             (findPos >= (window->currentLine() + window->windowLines()))) {
         int centeredScrollPos = findPos - window->windowLines() / 2;
         if (centeredScrollPos < 0) {
             centeredScrollPos = 0;
         }
 
         window->scrollTo(centeredScrollPos);
     }
 
     window->setTrackOutput(false);
     window->notifyOutputChanged();
     window->setCurrentResultLine(findPos);
 }
 
 SearchHistoryTask::SearchHistoryTask(QObject* parent)
     : SessionTask(parent)
     , _direction(BackwardsSearch)
     , _startLine(0)
 {
 }
 void SearchHistoryTask::setSearchDirection(SearchDirection direction)
 {
     _direction = direction;
 }
 void SearchHistoryTask::setStartLine(int line)
 {
     _startLine = line;
 }
 SearchHistoryTask::SearchDirection SearchHistoryTask::searchDirection() const
 {
     return _direction;
 }
 void SearchHistoryTask::setRegExp(const QRegExp& expression)
 {
     _regExp = expression;
 }
 QRegExp SearchHistoryTask::regExp() const
 {
     return _regExp;
 }
 
 QString SessionController::userTitle() const
 {
     if (_session) {
         return _session->userTitle();
     } else {
         return QString();
     }
 }
 
 #include "SessionController.moc"
 
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