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konsole/src/SessionController.cpp

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/*
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 <QtGui/QApplication>
#include <QMenu>
// KDE
#include <KAction>
#include <KDebug>
#include <KIcon>
#include <KInputDialog>
#include <KLocale>
#include <KMenu>
#include <KMessageBox>
#include <KRun>
#include <kshell.h>
#include <KStandardDirs>
#include <KToggleAction>
#include <KUrl>
#include <KXmlGuiWindow>
#include <KXMLGUIFactory>
#include <KXMLGUIBuilder>
#include <kdebug.h>
#include <kcodecaction.h>
#include <kdeversion.h>
// Konsole
#include "EditProfileDialog.h"
#include "CopyInputDialog.h"
#include "Emulation.h"
#include "Filter.h"
#include "History.h"
#include "IncrementalSearchBar.h"
#include "ScreenWindow.h"
#include "Session.h"
#include "ProfileList.h"
#include "TerminalDisplay.h"
#include "SessionManager.h"
// for SaveHistoryTask
#include <KFileDialog>
#include <KIO/Job>
#include <KJob>
#include "TerminalCharacterDecoder.h"
using namespace Konsole;
KIcon SessionController::_activityIcon;
KIcon SessionController::_silenceIcon;
QSet<SessionController*> SessionController::_allControllers;
QPointer<SearchHistoryThread> SearchHistoryTask::_thread;
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)
, _searchToggleAction(0)
, _findNextAction(0)
, _findPreviousAction(0)
, _urlFilterUpdateRequired(false)
, _codecAction(0)
, _changeProfileMenu(0)
, _listenForScreenWindowUpdates(false)
, _preventClose(false)
{
_allControllers.insert(this);
Q_ASSERT( session );
Q_ASSERT( view );
// handle user interface related to session (menus etc.)
if (isKonsolePart())
setXMLFile("konsole/partui.rc");
else
setXMLFile("konsole/sessionui.rc");
setupActions();
actionCollection()->addAssociatedWidget(view);
foreach (QAction* action, actionCollection()->actions())
action->setShortcutContext(Qt::WidgetWithChildrenShortcut);
setIdentifier(++_lastControllerId);
sessionTitleChanged();
view->installEventFilter(this);
// listen for session resize requests
connect( _session , SIGNAL(resizeRequest(const QSize&)) , this ,
SLOT(sessionResizeRequest(const 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()) );
// 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
QTimer* activityTimer = new QTimer(_session);
activityTimer->setSingleShot(true);
activityTimer->setInterval(2000);
connect( _view , SIGNAL(keyPressedSignal(QKeyEvent*)) , activityTimer , SLOT(start()) );
connect( activityTimer , SIGNAL(timeout()) , this , SLOT(snapshot()) );
}
void SessionController::updateSearchFilter()
{
if ( _searchFilter )
{
Q_ASSERT( searchBar() && searchBar()->isVisible() );
_view->processFilters();
}
}
SessionController::~SessionController()
{
if ( _view )
_view->setScreenWindow(0);
_allControllers.remove(this);
}
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::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('*');
}
updateSessionIcon();
// apply new title
if ( !title.isEmpty() )
_session->setTitle(Session::DisplayedTitleRole,title);
else
_session->setTitle(Session::DisplayedTitleRole,_session->title(Session::NameRole));
}
QString SessionController::currentDir() const
{
return _session->currentWorkingDirectory();
}
KUrl SessionController::url() const
{
return _session->getUrl();
}
void SessionController::rename()
{
renameSession();
}
void SessionController::openUrl( const KUrl& url )
{
// handle local paths
if ( url.isLocalFile() )
{
QString path = url.toLocalFile();
_session->emulation()->sendText("cd " + KShell::quoteArg(path) + '\r');
}
else if ( url.protocol() == "ssh" )
{
_session->emulation()->sendText("ssh ");
if ( url.port() > -1 )
_session->emulation()->sendText("-p " + QString::number(url.port()) + ' ' );
if ( url.hasUser() )
_session->emulation()->sendText(url.user() + '@');
if ( url.hasHost() )
_session->emulation()->sendText(url.host() + '\r');
}
else if ( url.protocol() == "telnet" )
{
_session->emulation()->sendText("telnet ");
if ( url.hasUser() )
_session->emulation()->sendText("-l " + url.user() + ' ');
if ( url.hasHost() )
_session->emulation()->sendText(url.host() + ' ');
if ( url.port() > -1 )
_session->emulation()->sendText(QString::number(url.port()));
_session->emulation()->sendText("\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(1211) << "Unable to open bookmark at url" << url << ", I do not know"
<< " how to handle the protocol " << url.protocol();
}
}
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(const QString&)) , 0 , 0 );
// second, connect the newly focused view to listen for the session's bell signal
connect( _session , SIGNAL(bellRequest(const QString&)) ,
_view , SLOT(bell(const QString&)) );
if(_copyToAllTabsAction->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 );
}
// remove any existing search filter
removeSearchFilter();
// connect new search bar
_searchBar = searchBar;
if ( _searchBar )
{
connect( _searchBar , SIGNAL(closeClicked()) , this , SLOT(searchClosed()) );
connect( _searchBar , SIGNAL(findNextClicked()) , this , SLOT(findNextInHistory()) );
connect( _searchBar , SIGNAL(findPreviousClicked()) , this , SLOT(findPreviousInHistory()) );
connect( _searchBar , SIGNAL(highlightMatchesToggled(bool)) , this , SLOT(highlightMatches(bool)) );
// if the search bar was previously active
// then re-enter search mode
searchHistory( _searchToggleAction->isChecked() );
}
}
IncrementalSearchBar* SessionController::searchBar() const
{
return _searchBar;
}
void SessionController::setShowMenuAction(QAction* action)
{
actionCollection()->addAction("show-menubar",action);
}
void SessionController::setupActions()
{
KAction* action = 0;
KToggleAction* toggleAction = 0;
KActionCollection* collection = actionCollection();
// Close Session
action = collection->addAction("close-session", this, SLOT(closeSession()));
action->setIcon(KIcon("tab-close"));
action->setText(i18n("&Close Tab"));
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));
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(pasteSelection()));
action->setText(i18n("Paste Selection"));
action->setShortcut(QKeySequence(Qt::CTRL+Qt::SHIFT+Qt::Key_Insert));
// Rename Session
action = collection->addAction("rename-session", this, SLOT(renameSession()));
action->setText( i18n("&Rename Tab...") );
action->setShortcut( QKeySequence(Qt::CTRL+Qt::ALT+Qt::Key_S) );
// Copy Input To -> All Tabs in Current Window
_copyToAllTabsAction = collection->addAction("copy-input-to-all-tabs", this, SLOT(copyInputToAllTabs()));
_copyToAllTabsAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Comma));
_copyToAllTabsAction->setText(i18n("&All Tabs in Current Window"));
_copyToAllTabsAction->setCheckable(true);
// Copy Input To -> Select Tabs
_copyToSelectedAction = collection->addAction("copy-input-to-selected-tabs", this, SLOT(copyInputToSelectedTabs()));
_copyToSelectedAction->setShortcut( QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Period) );
_copyToSelectedAction->setText(i18n("&Select Tabs..."));
_copyToSelectedAction->setCheckable(true);
// Copy Input To -> None
_copyToNoneAction = collection->addAction("copy-input-to-none", this, SLOT(copyInputToNone()));
_copyToNoneAction->setText(i18n("&None"));
_copyToNoneAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Slash));
_copyToNoneAction->setCheckable(true);
_copyToNoneAction->setChecked(true);
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)));
// 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*)));
// Text Size
action = collection->addAction("enlarge-font", this, SLOT(increaseTextSize()));
action->setText(i18n("Enlarge Font"));
action->setIcon(KIcon("format-font-size-more"));
action->setShortcut(QKeySequence(Qt::CTRL+Qt::SHIFT+Qt::Key_Plus));
action = collection->addAction("shrink-font", this, SLOT(decreaseTextSize()));
action->setText(i18n("Shrink Font"));
action->setIcon(KIcon("format-font-size-less"));
action->setShortcut(QKeySequence(Qt::CTRL+Qt::SHIFT+Qt::Key_Minus));
// History
_searchToggleAction = KStandardAction::find(this, NULL, collection);
_searchToggleAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_F));
_searchToggleAction->setCheckable(true);
connect(_searchToggleAction, SIGNAL(toggled(bool)), this, SLOT(searchHistory(bool)));
_findNextAction = KStandardAction::findNext(this, SLOT(findNextInHistory()), collection);
_findNextAction->setEnabled(false);
_findPreviousAction = KStandardAction::findPrev(this, SLOT(findPreviousInHistory()), collection);
_findPreviousAction->setShortcut(QKeySequence(Qt::SHIFT + Qt::Key_F3));
_findPreviousAction->setEnabled(false);
action = KStandardAction::saveAs(this, SLOT(saveHistory()), collection);
action->setText(i18n("Save Output &As..."));
action = collection->addAction("configure-history", this, SLOT(showHistoryOptions()));
action->setText(i18n("Configure 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_X));
// Profile Options
action = collection->addAction("edit-current-profile", this, SLOT(editCurrentProfile()));
action->setText(i18n("Configure Current Profile..."));
action->setIcon(KIcon("document-properties") );
_changeProfileMenu = new KActionMenu(i18n("Change Profile"), _view);
collection->addAction("change-profile", _changeProfileMenu);
connect(_changeProfileMenu->menu(), SIGNAL(aboutToShow()), this, SLOT(prepareChangeProfileMenu()));
}
void SessionController::changeProfile(Profile::Ptr profile)
{
SessionManager::instance()->setSessionProfile(_session,profile);
}
void SessionController::prepareChangeProfileMenu()
{
if (_changeProfileMenu->menu()->isEmpty()) {
_profileList = new ProfileList(false,this);
connect(_profileList, SIGNAL(profileSelected(Profile::Ptr)), this, SLOT(changeProfile(Profile::Ptr)));
}
_changeProfileMenu->menu()->clear();
_changeProfileMenu->menu()->addActions(_profileList->actions());
}
void SessionController::updateCodecAction()
{
_codecAction->setCurrentCodec(QString(_session->emulation()->codec()->name()));
}
void SessionController::changeCodec(QTextCodec* codec)
{
_session->setCodec(codec);
}
void SessionController::editCurrentProfile()
{
EditProfileDialog* dialog = new EditProfileDialog( QApplication::activeWindow() );
dialog->setProfile(SessionManager::instance()->sessionProfile(_session));
dialog->show();
}
void SessionController::renameSession()
{
QPointer<Session> guard(_session);
bool ok = false;
const QString& text = KInputDialog::getText( i18n("Rename Tab") ,
i18n("Enter new tab text:") ,
_session->tabTitleFormat(Session::LocalTabTitle) ,
&ok, QApplication::activeWindow() );
if (!guard)
return;
if ( ok )
{
// renaming changes both the local and remote tab title formats, to save confusion over
// the tab title not changing if renaming the tab whilst the remote tab title format is
// being displayed
//
// The downside of this approach is that after renaming a tab manually, the ability to
// have separate formats for local and remote activities is lost
_session->setTabTitleFormat(Session::LocalTabTitle,text);
_session->setTabTitleFormat(Session::RemoteTabTitle,text);
// trigger an update of the tab text
snapshot();
}
}
void SessionController::saveSession()
{
Q_ASSERT(0); // not implemented yet
//SaveSessionDialog dialog(_view);
//int result = dialog.exec();
}
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;
}
void SessionController::closeSession()
{
if (_preventClose)
return;
if (confirmClose())
_session->close();
}
void SessionController::openBrowser()
{
new KRun(url(), QApplication::activeWindow());
}
void SessionController::copy()
{
_view->copyClipboard();
}
void SessionController::paste()
{
_view->pasteClipboard();
}
void SessionController::pasteSelection()
{
_view->pasteSelection();
}
static const KXmlGuiWindow* findWindow(const QObject* object)
{
// Walk up the QObject hierarchy to find a KXmlGuiWindow.
while(object != NULL) {
const KXmlGuiWindow* window = dynamic_cast<const KXmlGuiWindow*>(object);
if(window != NULL) {
return(window);
}
object = object->parent();
}
return(NULL);
}
static bool hasTerminalDisplayInSameWindow(const Session* session, const KXmlGuiWindow* window)
{
// Iterate all TerminalDisplays of this Session ...
QListIterator<TerminalDisplay*> terminalDisplayIterator(session->views());
while(terminalDisplayIterator.hasNext()) {
const TerminalDisplay* terminalDisplay = terminalDisplayIterator.next();
// ... and check whether a TerminalDisplay has the same
// window as given in the parameter
if(window == findWindow(terminalDisplay)) {
return(true);
}
}
return(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();
_copyToAllTabsAction->setChecked(true);
_copyToSelectedAction->setChecked(false);
_copyToNoneAction->setChecked(false);
}
void SessionController::copyInputToSelectedTabs()
{
if (!_copyToGroup)
{
_copyToGroup = new SessionGroup(this);
_copyToGroup->addSession(_session);
_copyToGroup->setMasterStatus(_session,true);
_copyToGroup->setMasterMode(SessionGroup::CopyInputToAll);
}
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)
{
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();
}
delete dialog;
_copyToAllTabsAction->setChecked(false);
_copyToSelectedAction->setChecked(true);
_copyToNoneAction->setChecked(false);
}
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 = NULL;
snapshot();
_copyToAllTabsAction->setChecked(false);
_copyToSelectedAction->setChecked(false);
_copyToNoneAction->setChecked(true);
}
void SessionController::searchClosed()
{
_searchToggleAction->toggle();
}
#if 0
void SessionController::searchHistory()
{
searchHistory(true);
}
#endif
void SessionController::listenForScreenWindowUpdates()
{
if (_listenForScreenWindowUpdates)
return;
connect( _view->screenWindow() , SIGNAL(outputChanged()) , this ,
SLOT(updateSearchFilter()) );
connect( _view->screenWindow() , SIGNAL(scrolled(int)) , this ,
SLOT(updateSearchFilter()) );
_listenForScreenWindowUpdates = true;
}
// 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)
{
if ( _searchBar )
{
_searchBar->setVisible(showSearchBar);
if (showSearchBar)
{
removeSearchFilter();
listenForScreenWindowUpdates();
_searchFilter = new RegExpFilter();
_view->filterChain()->addFilter(_searchFilter);
connect( _searchBar , SIGNAL(searchChanged(const QString&)) , this ,
SLOT(searchTextChanged(const QString&)) );
// invoke search for matches for the current search text
const QString& currentSearchText = _searchBar->searchText();
if (!currentSearchText.isEmpty())
{
searchTextChanged(currentSearchText);
}
setFindNextPrevEnabled(true);
}
else
{
setFindNextPrevEnabled(false);
disconnect( _searchBar , SIGNAL(searchChanged(const QString&)) , this ,
SLOT(searchTextChanged(const QString&)) );
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 ( text.isEmpty() )
_view->screenWindow()->clearSelection();
// update search. this is called even when the text is
// empty to clear the view's filters
beginSearch(text , SearchHistoryTask::ForwardsSearch);
}
void SessionController::searchCompleted(bool success)
{
if ( _searchBar )
_searchBar->setFoundMatch(success);
}
void SessionController::beginSearch(const QString& text , int direction)
{
Q_ASSERT( _searchBar );
Q_ASSERT( _searchFilter );
Qt::CaseSensitivity caseHandling = _searchBar->matchCase() ? Qt::CaseSensitive : Qt::CaseInsensitive;
QRegExp::PatternSyntax syntax = _searchBar->matchRegExp() ? QRegExp::RegExp : QRegExp::FixedString;
QRegExp regExp( text.trimmed() , caseHandling , syntax );
_searchFilter->setRegExp(regExp);
if ( !regExp.isEmpty() )
{
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->addScreenWindow( _session , _view->screenWindow() );
task->execute();
}
_view->processFilters();
}
void SessionController::highlightMatches(bool highlight)
{
if ( highlight )
{
_view->filterChain()->addFilter(_searchFilter);
_view->processFilters();
}
else
{
_view->filterChain()->removeFilter(_searchFilter);
}
_view->update();
}
void SessionController::findNextInHistory()
{
Q_ASSERT( _searchBar );
Q_ASSERT( _searchFilter );
beginSearch(_searchBar->searchText(),SearchHistoryTask::ForwardsSearch);
}
void SessionController::findPreviousInHistory()
{
Q_ASSERT( _searchBar );
Q_ASSERT( _searchFilter );
beginSearch(_searchBar->searchText(),SearchHistoryTask::BackwardsSearch);
}
void SessionController::showHistoryOptions()
{
HistorySizeDialog* dialog = new HistorySizeDialog( QApplication::activeWindow() );
const HistoryType& currentHistory = _session->historyType();
if ( currentHistory.isEnabled() )
{
if ( currentHistory.isUnlimited() )
dialog->setMode( HistorySizeDialog::UnlimitedHistory );
else
{
dialog->setMode( HistorySizeDialog::FixedSizeHistory );
dialog->setLineCount( currentHistory.maximumLineCount() );
}
}
else
dialog->setMode( HistorySizeDialog::NoHistory );
connect( dialog , SIGNAL(optionsChanged(int,int,bool)) ,
this , SLOT(scrollBackOptionsChanged(int,int,bool)) );
dialog->show();
}
void SessionController::sessionResizeRequest(const QSize& size)
{
//kDebug(1211) << "View resize requested to " << size;
_view->setSize(size.width(),size.height());
}
void SessionController::scrollBackOptionsChanged(int mode, int lines, bool saveToCurrentProfile )
{
switch (mode)
{
case HistorySizeDialog::NoHistory:
_session->setHistoryType( HistoryTypeNone() );
break;
case HistorySizeDialog::FixedSizeHistory:
_session->setHistoryType( CompactHistoryType(lines) );
break;
case HistorySizeDialog::UnlimitedHistory:
_session->setHistoryType( HistoryTypeFile() );
break;
}
if (saveToCurrentProfile)
{
Profile::Ptr profile = SessionManager::instance()->sessionProfile(_session);
switch (mode)
{
case HistorySizeDialog::NoHistory:
profile->setProperty(Profile::HistoryMode , Profile::DisableHistory);
break;
case HistorySizeDialog::FixedSizeHistory:
profile->setProperty(Profile::HistoryMode , Profile::FixedSizeHistory);
profile->setProperty(Profile::HistorySize , lines);
break;
case HistorySizeDialog::UnlimitedHistory:
profile->setProperty(Profile::HistoryMode , Profile::UnlimitedHistory);
break;
}
SessionManager::instance()->changeProfile(profile, profile->setProperties());
}
}
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()
{
Emulation* emulation = _session->emulation();
emulation->reset();
//_session->refresh();
clearHistory();
}
void SessionController::increaseTextSize()
{
QFont font = _view->getVTFont();
font.setPointSizeF(font.pointSizeF()+1);
_view->setVTFont(font);
//TODO - Save this setting as a session default
}
void SessionController::decreaseTextSize()
{
static const qreal MinimumFontSize = 6;
QFont font = _view->getVTFont();
font.setPointSizeF( qMax(font.pointSizeF()-1,MinimumFontSize) );
_view->setVTFont(font);
//TODO - Save this setting as a session default
}
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(KIcon("emblem-important"));
}
else {
// 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 );
}
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);
}
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;
_preventClose = true;
popup->insertActions(popup->actions().value(0,0),contentActions);
QAction* chosen = popup->exec( _view->mapToGlobal(position) );
// remove content-specific actions, unless the close action was chosen
// in which case the popup menu will be partially destroyed at this point
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::sessionStateChanged(int state)
{
if ( state == _previousState )
return;
_previousState = state;
// TODO - Replace the icon choices below when suitable icons for silence and activity
// are available
if ( state == NOTIFYACTIVITY )
{
if (_activityIcon.isNull())
{
_activityIcon = KIcon("dialog-information");
}
setIcon(_activityIcon);
}
else if ( state == NOTIFYSILENCE )
{
if (_silenceIcon.isNull())
{
_silenceIcon = KIcon("dialog-information");
}
setIcon(_silenceIcon);
}
else if ( state == NOTIFYNORMAL )
{
if ( _sessionIconName != _session->iconName() )
{
_sessionIconName = _session->iconName();
_sessionIcon = KIcon( _sessionIconName );
}
updateSessionIcon();
}
}
void SessionController::zmodemDownload()
{
QString zmodem = KGlobal::dirs()->findExe("rz");
if(zmodem.isEmpty()) {
zmodem = KGlobal::dirs()->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 = KGlobal::dirs()->findExe("sz");
if(zmodem.isEmpty()) {
zmodem = KGlobal::dirs()->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()
{
QListIterator<SessionPtr> iter(sessions());
// 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
while ( iter.hasNext() )
{
SessionPtr session = iter.next();
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();
// if there are still more lines to process after this request
// then insert a new line character
// to ensure that the next block of lines begins on a new line
//
// FIXME - There is still an extra new-line at the end of the save data.
if ( copyUpToLine <= sessionLines-1 )
{
stream << '\n';
}
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();
int selectionColumn = 0;
int selectionLine = 0;
window->getSelectionEnd(selectionColumn , selectionLine);
if ( !_regExp.isEmpty() )
{
int pos = -1;
const bool forwards = ( _direction == ForwardsSearch );
int startLine = selectionLine + window->currentLine() + ( forwards ? 1 : -1 );
// Temporary fix for #205495
if (startLine < 0) startLine = 0;
const int lastLine = window->lineCount() - 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');
pos = -1;
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(1211) << "Found result at line " << findPos;
//update display to show area of history containing selection
window->scrollTo(findPos);
window->setSelectionStart( 0 , findPos - window->currentLine() , false );
window->setSelectionEnd( window->columnCount() , findPos - window->currentLine() );
window->setTrackOutput(false);
window->notifyOutputChanged();
}
SearchHistoryTask::SearchHistoryTask(QObject* parent)
: SessionTask(parent)
, _direction(ForwardsSearch)
{
}
void SearchHistoryTask::setSearchDirection( SearchDirection direction )
{
_direction = direction;
}
SearchHistoryTask::SearchDirection SearchHistoryTask::searchDirection() const
{
return _direction;
}
void SearchHistoryTask::setRegExp(const QRegExp& expression)
{
_regExp = expression;
}
QRegExp SearchHistoryTask::regExp() const
{
return _regExp;
}
#include "SessionController.moc"