VP1MainWindow.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/

//                                                         //
//  Implementation of class VP1MainWindow                  //
//                                                         //
//  Author: Thomas Kittelmann <Thomas.Kittelmann@cern.ch>  //
//                                                         //
//  Initial version: April 2007                            //
//
//  Updates:
//  - Riccardo.Maria.Bianchi@cern.ch
//                                                         //
 
#include "VP1Gui/VP1MainWindow.h"
 
#include "VP1Gui/VP1ChannelManager.h"
#include "VP1Gui/VP1TabManager.h"
#include "VP1Gui/VP1ExecutionScheduler.h"
#include "VP1Gui/VP1IncomingMessageDialog.h"
#include "VP1Gui/VP1PluginDialog.h"
#include "VP1Gui/VP1DockWidget.h"
#include "VP1Gui/VP1AvailEvents.h"
#include "VP1Gui/VP1AvailEvtsLocalDir.h"
#include "VP1StreamMenuUpdater.h"
 
#ifdef BUILDVP1LIGHT
    #include "VP1Gui/VP1ExpertSettings.h"
    #include "VP1Gui/VP1GeoDBSelection.h"
    #include "VP1Gui/VP1AODSelection.h"
    #include "VP1Gui/VP1SelectEvent.h"
#endif
 
#include "VP1UtilsBase/VP1FileUtilities.h"
 
#include "VP1Base/IVP1ChannelWidget.h"
#include "VP1Base/IVP1System.h"
#include "VP1Base/VP1Msg.h"
#include "VP1Base/VP1Settings.h"
#include "VP1Base/VP1QtUtils.h"
 
 
#include <QMessageBox>
#include <QImageWriter>
#include <QFileInfo>
#include <QInputDialog>
#include <QLabel>
#include <QCloseEvent>
#include <QFileDialog>
#include <QDir>
#include <QTimer>
#include <QSettings>
#include <QComboBox>
#include <QPainter>
#include <QPrinter>
#include <QPrintDialog>
#include <QProgressBar>
#include <QStyleFactory>
#include <QDateTime>
#include <QTimeZone>
#include <QMutex>
#include <QDesktopServices>
#include <QUrl>
#include <QProcess>
#include <QGraphicsView>
#include <QGraphicsScene>
#include <QtGui>
#include <QScrollBar>
 
 
 
/* FIXME: LCG does not ship QWebEngine with Qt5 at the moment,
 * but later you want to put it back again!
 */
/*
#include <QtGlobal>
#if QT_VERSION > QT_VERSION_CHECK(5, 5, 0)
  #include <QWebEngineView> // Qt 5.6
#else
  #include <QtWebKit>
#endif
*/
 
#include <cassert>
#include <iostream>
 
namespace {
 
bool saveSnapshot(QWidget *parent, const QPixmap& snapshot, const QString& filename)
{
    QString error;
    if (snapshot.isNull()) {
        error = QStringLiteral("VP1 could not render the snapshot. No image was saved.\n\n"
                               "Offscreen OpenGL rendering may be unavailable on this display. "
                               "Check the terminal for Coin/GLX errors.");
    } else {
        QImageWriter writer(filename);
        if (!writer.write(snapshot.toImage())) {
            error = QStringLiteral("Could not write the snapshot:\n%1").arg(writer.errorString());
        } else {
            const QFileInfo output(filename);
            if (!output.isFile() || output.size() == 0)
                error = QStringLiteral("The image writer reported success, but no non-empty output file was found.");
        }
    }
    if (error.isEmpty())
        return true;
 
    const QString message = error + QStringLiteral("\n\nOutput file: ") + filename;
    VP1Msg::message(QStringLiteral("ERROR - Snapshot failed: ") + message);
    QMessageBox dialog(QMessageBox::Critical, QStringLiteral("Snapshot failed"), message,
                       QMessageBox::Ok, parent);
    dialog.setTextFormat(Qt::PlainText);
    dialog.exec();
    return false;
}
 
QString eventTimeUTC(unsigned timestamp)
{
    return QDateTime::fromSecsSinceEpoch(timestamp, Qt::UTC)
            .toString(QStringLiteral("yyyy-MM-dd HH:mm:ss 'UTC'"));
}
 
QString eventTimeCERN(unsigned timestamp)
{
    const QTimeZone cernTimeZone("Europe/Zurich");
    return QDateTime::fromSecsSinceEpoch(timestamp, Qt::UTC)
            .toTimeZone(cernTimeZone)
            .toString(QStringLiteral("yyyy-MM-dd HH:mm:ss t"));
}
 
}
 
 
//_________________________________________________________________________________
VP1MainWindow::VP1MainWindow(VP1ExecutionScheduler*sched,VP1AvailEvents * ae,QWidget * parent)
: QMainWindow(parent),
  m_runnumber(-1),
  m_eventnumber(-1),
  m_betweenevents(true),
  m_mustquit(false),
  m_dummyemptycontroller(new QWidget(0)),
  m_scheduler(sched),
  m_availEvents(ae),
  m_settingsfile(QDir::homePath()+QDir::separator()+".atlasvp1"),
  m_userRequestedExit(false),
  m_streamMenuUpdater(0),
  m_mutex(new QMutex()),
  m_edEditor(0)
{
    setupUi(this); // this sets up the GUI
 
    setupStatusBar();
    //
    #if defined BUILDVP1LIGHT
        bool checkShowAllCruiseAndEventControls = VP1QtUtils::expertSettingIsSet("expert","ExpertSettings/VP1_DEVEL_SHOW_ALL_CRUISE_AND_EVENT_CONTROLS");
    #else
        bool checkShowAllCruiseAndEventControls = VP1QtUtils::environmentVariableIsOn("VP1_DEVEL_SHOW_ALL_CRUISE_AND_EVENT_CONTROLS");
    #endif
 
    if (!checkShowAllCruiseAndEventControls) {
        pushButton_eventseek->setVisible(false);
        groupBox_cruise->setVisible(false);
    }
 
    if (m_availEvents) {
        connect(m_availEvents,SIGNAL(message(const QString&)),this,SLOT(helperAddToMessageBox(const QString&)));
        connect(m_availEvents,SIGNAL(freshEventsChanged()),this,SLOT(updateEventControls()));
    }
 
    // File menu
    if(!m_availEvents) {
        QMenu* menu_file = new QMenu(menubar);
        menu_file->setObjectName("menu_file");
        menu_file->setTitle("&File");
        menubar->addAction(menu_file->menuAction());
        m_action_addEventFile = menu_file->addAction("&Add event file ...");
 
        connect(m_action_addEventFile,SIGNAL(triggered(bool)),this,SLOT(addEventFile()));
    }
 
    #ifndef BUILDVP1LIGHT
        pushButton_previousevent->setVisible(false);
        pushButton_eventselect->setVisible(false);
    #else
        pushButton_eventselect->setVisible(true);
        pushButton_eventselect->setText("Event: 0/0");
        pushButton_eventselect->setEnabled(false);
        pushButton_previousevent->setEnabled(false);
        //Disable all controls that are not available in VP1Light
        // pushButton_quicksetup_3dcocktail->setEnabled(false);
        // pushButton_quicksetup_3dcocktail->setToolTip("Not available in VP1Light");
      pushButton_quicksetup_trackingstudies->setEnabled(false);
      pushButton_quicksetup_trackingstudies->setToolTip("Not available in VP1Light");
      pushButton_quicksetup_calostudies->setEnabled(false);
      pushButton_quicksetup_calostudies->setToolTip("Not available in VP1Light");
      action_quicklaunch_Tracking_studies->setEnabled(false);
      action_quicklaunch_Tracking_studies->setToolTip("Not available in VP1Light");
      action_quicklaunch_Calo_studies->setEnabled(false);
      action_quicklaunch_Calo_studies->setToolTip("Not available in VP1Light");
      action_quicklaunch_Storegate_browser->setEnabled(false);
      action_quicklaunch_Storegate_browser->setToolTip("Not available in VP1Light");
      action_quicklaunch_trackcalo_commis->setEnabled(false);
      action_quicklaunch_trackcalo_commis->setToolTip("Not available in VP1Light");
      m_action_addEventFile->setEnabled(false);
    #endif

    //Do we need a menu for multiple input directories?
 
    VP1AvailEvtsLocalDir* availLocal = dynamic_cast<VP1AvailEvtsLocalDir*>(m_availEvents);
 
    QStringList inputdirs;
    if (availLocal)
        inputdirs = availLocal->availableSourceDirectories();
 
    if (availLocal&&!inputdirs.isEmpty()) {
 
        QString currentdir = availLocal->currentSourceDir();
        if (currentdir.endsWith("/"))
            currentdir.chop(1);
        m_currentStream = QDir(currentdir).dirName();
        QMenu * menu_inputdir = new QMenu(menubar);
        menu_inputdir->setObjectName("menu_inputdir");
        menu_inputdir->setTitle("&Stream");
 
        menubar->addAction(menu_inputdir->menuAction());
 
        QActionGroup * inputdir_actiongroup = new QActionGroup(menu_inputdir);
        QAction*action_inputdir_current(0);
        for (QString inputdir : inputdirs) {
            if (inputdir.endsWith("/"))
                inputdir.chop(1);
            QString dirname = QDir(inputdir).dirName();
            QAction * action_inputdir = new QAction(this);
            action_inputdir->setObjectName("action_inputdir_"+dirname);
            action_inputdir->setData(inputdir);
            action_inputdir->setStatusTip("Get input files from: "+inputdir);
            action_inputdir->setCheckable(true);
 
            if (currentdir==inputdir)
                action_inputdir_current = action_inputdir;
            menu_inputdir->addAction(action_inputdir);
            inputdir_actiongroup->addAction(action_inputdir);
            m_inputdiractions << action_inputdir;
            connect(action_inputdir,SIGNAL(triggered(bool)),this,SLOT(inputDirectoryActionTriggered()));
        }
        if (action_inputdir_current) {
            action_inputdir_current->blockSignals(true);
            action_inputdir_current->setChecked(true);
            action_inputdir_current->blockSignals(false);
        }
 
        // Populate inputdirstatuses
        for(QAction* action : m_inputdiractions)
                  m_inputdirstatuses[action] = VP1DirStatusData(action->data().toString(),
                                                                QString(),
                                                                true,
                                                                false);
 
        m_streamMenuUpdater = new VP1StreamMenuUpdater(m_inputdirstatuses,m_mutex);
        m_streamMenuUpdater->start();
 
        //Fixme: start timer which every minute checks the status of these directories
        QTimer *timer = new QTimer(this);
        connect(timer, SIGNAL(timeout()), this, SLOT(updateInputDirectoriesStatus()));
        timer->start(5000);//update this menu rather often (this is only for P1 anyway)
    }
 
    //.......
 
    m_channelmanager = new VP1ChannelManager(m_scheduler,this);
    m_tabmanager = new VP1TabManager(this,tabWidget_central,m_channelmanager);
    stackedWidget_customcontrols->addWidget(m_dummyemptycontroller);
 
    //Final touches to instructions page:
 
    //  Remove any margins added by the layouts in the stacked
    //  widget. This really ought to be the default for stacked widgets!
    for (int i=0;i<stackedWidget_central->count();++i)
        stackedWidget_central->widget(i)->layout()->setContentsMargins(0,0,0,0);
 
    frame_instructions->setStyleSheet("QFrame#frame_instructions { "+VP1DockWidget::highlightStyle()+" } ");
    frame_instructions->setFrameShape(QFrame::StyledPanel);
    //   textBrowser_intro1->setStyleSheet("QTextBrowser#textBrowser_intro1 { background-color: rgba(0, 0, 0, 0%) } ");
    //   textBrowser_intro2->setStyleSheet("QTextBrowser#textBrowser_intro2 { background-color: rgba(0, 0, 0, 0%) } ");
    #ifndef BUILDVP1LIGHT
        connect(pushButton_quicksetup_3dcocktail,SIGNAL(clicked()),this,SLOT(quickSetupTriggered()));
    #else
        connect(pushButton_quicksetup_3dcocktail,SIGNAL(clicked()),this,SLOT(quickSetupTriggered()));
    #endif
    connect(pushButton_quicksetup_trackingstudies,SIGNAL(clicked()),this,SLOT(quickSetupTriggered()));
    connect(pushButton_quicksetup_calostudies,SIGNAL(clicked()),this,SLOT(quickSetupTriggered()));
    connect(pushButton_quicksetup_geometrystudies,SIGNAL(clicked()),this,SLOT(quickSetupTriggered()));
    connect(pushButton_quicksetup_analysisstudies,SIGNAL(clicked()),this,SLOT(quickSetupTriggered()));
 
    //Default application font:
    m_defaultfont = QApplication::font();
    m_defaultfont_pointsize = m_defaultfont.pointSizeF();
    if (m_defaultfont_pointsize<0.0)
        m_defaultfont_pixelsize = m_defaultfont.pixelSize();
    else
        m_defaultfont_pixelsize = -1;
 
    //Tabs:
    connect(m_tabmanager,SIGNAL(tabListChanged(QStringList)),this,SLOT(tabListChanged(QStringList)));
    connect(tabWidget_central,SIGNAL(currentChanged(int)),this,SLOT(updateCentralStackWidget()));
    updateCentralStackWidget();
 
    //Channels:
 
    connect(pushButton_saveAllChannels,SIGNAL(clicked()),this,SLOT(saveAllCurrentChannels()));
    connect(pushButton_makeEventDisplay,SIGNAL(clicked()),this,SLOT(makeAllChannelsEventDisplay()));
 
    connect(pushButton_3D,SIGNAL(clicked()),this,SLOT(launch3DstereoEditor()));
 
    connect(pushButton_channelfullscreen,SIGNAL(clicked()),m_tabmanager,SLOT(showCurrentChannelFullScreen()));
    connect(pushButton_channelinformation,SIGNAL(clicked()),this,SLOT(request_channelInformation()));
    connect(pushButton_printchannel,SIGNAL(clicked()),this,SLOT(request_printChannel()));
    connect(pushButton_savesnapshotchannel,SIGNAL(clicked()),this,SLOT(request_saveChannelSnapshot()));
    connect(m_tabmanager,SIGNAL(selectedChannelChanged(IVP1ChannelWidget*)),this,SLOT(selectedChannelChanged(IVP1ChannelWidget*)));
 
    //Menu:
    //Quick start:
    connect(action_quicklaunch_Tracking_studies,SIGNAL(triggered(bool)),this,SLOT(quickSetupTriggered()));
    connect(action_quicklaunch_Calo_studies,SIGNAL(triggered(bool)),this,SLOT(quickSetupTriggered()));
    connect(action_quicklaunch_Geometry_studies,SIGNAL(triggered(bool)),this,SLOT(quickSetupTriggered()));
    connect(action_quicklaunch_analysisstudies,SIGNAL(triggered(bool)),this,SLOT(quickSetupTriggered()));
    connect(action_quicklaunch_Storegate_browser,SIGNAL(triggered(bool)),this,SLOT(quickSetupTriggered()));
    connect(action_quicklaunch_3dcocktail,SIGNAL(triggered(bool)),this,SLOT(quickSetupTriggered()));
    connect(action_quicklaunch_trackcalo_commis,SIGNAL(triggered(bool)),this,SLOT(quickSetupTriggered()));
    connect(action_exit_VP1,SIGNAL(triggered(bool)),this,SLOT(close()));
 
    //Configuration
    m_menu_loadConfFile = menuConfiguration->addMenu ( "&Load tab configuration from file" );
    m_menu_loadConfFile->setStatusTip("Select .vp1 config file to load");
    connect(m_menu_loadConfFile,SIGNAL(aboutToShow()),this,SLOT(showMenu_loadConfFile()));
    menuConfiguration->addSeparator();
    //plugins:
    m_menu_loadPlugin = menuConfiguration->addMenu ( "&Load plugin" );
    m_menu_loadPlugin->setStatusTip("Select plugin to load");
    //   m_action_infoAboutLoadedPlugins = menuPlugins->addAction ( "&Info about loaded plugins" );
    //   m_action_infoAboutLoadedPlugins->setStatusTip("Get information about the presently loaded plugins");
    //   m_action_infoAboutLoadedPlugins->setEnabled(false);
    connect(m_menu_loadPlugin,SIGNAL(aboutToShow()),this,SLOT(showMenu_loadPlugin()));
    //Style
    m_menu_changeStyle = menu_Style->addMenu ( "&Style" );
    QActionGroup * styleGroup = new QActionGroup(this);
    QAction * laststyleact(0);
    bool foundplastique=false;
    QSettings s(m_settingsfile,QSettings::IniFormat);
    QString defaultstyle=s.value("style/defaultstyle", "Fusion").toString();
    for (QString style : QStyleFactory::keys() ) {
        QAction * act = m_menu_changeStyle->addAction(style);
        act->setStatusTip("Change application style to "+style);
        connect(act,SIGNAL(triggered(bool)),this,SLOT(changeStyleActionTriggered()));
        act->setCheckable(true);
        styleGroup->addAction(act);
        laststyleact=act;
        if (act->text()==defaultstyle) {
            act->setChecked(true);
            QApplication::setStyle(QStyleFactory::create(act->text()));
            foundplastique=true;
        }
    }
    if (!foundplastique) {
        laststyleact->setChecked(true);
        QApplication::setStyle(QStyleFactory::create(laststyleact->text()));
    }
    //Fonts:
    int savedgoal = 0;
    if (m_defaultfont_pointsize<0.0)
        savedgoal = s.value("font/pixelsize_diff", 0).toInt();
    else
        savedgoal = s.value("font/pointsize_relativepercent", 0).toInt();
 
    m_menu_changeFontSize = menu_Style->addMenu ( "&Font size" );
    QList<int> fontoptions;
    if (m_defaultfont_pointsize<0.0)
        fontoptions <<15<<10<<+5<<+3<<+2<<+1<<0<<-1<<-2<<-3<<-5<<-10<<-20<<-30;
    else
        fontoptions <<150<<100<<50<<30<<20<<10<<5<<0<<-5<<-10<<-20<<-30<<-50;
 
    QActionGroup * fontGroup = new QActionGroup(this);
    bool foundsavedgoal(false);
    QAction * normalfontact(0);
    for (int fontopt : fontoptions) {
        if (m_defaultfont_pixelsize>0&&m_defaultfont_pixelsize+fontopt<=0)
            continue;
        QString text = (fontopt==0?"normal": (fontopt>0?"+":"")+QString::number(fontopt)+(m_defaultfont_pointsize < 0.0? " pixels" : "%"));
        QAction * act = m_menu_changeFontSize->addAction(text);
        act->setStatusTip("Change overall font size of application to "+text);
        act->setData(fontopt);
        act->setCheckable(true);
        fontGroup->addAction(act);
        connect(act,SIGNAL(triggered(bool)),this,SLOT(changeFontSizeActionTriggered()));
        if (fontopt==0)
            normalfontact=act;
        if (savedgoal==fontopt) {
            act->setChecked(true);
            changeFontSize(fontopt);
            foundsavedgoal=true;
        }
    }
    if (!foundsavedgoal) {
        normalfontact->setChecked(true);
    }
 
    //
    m_actionSave_current_tabs = menuConfiguration->addAction ( "&Save current tab configuration to file" );
    m_actionSave_current_tabs->setStatusTip("Save current tab/channel layout to .vp1 config file");
    menuConfiguration->addSeparator();
    m_actionAdd_empty_tab = menuConfiguration->addAction ( "&Add empty tab" );
    m_actionAdd_empty_tab->setStatusTip("Add empty tab to the current tab list");
    connect(m_actionAdd_empty_tab,SIGNAL(triggered(bool)),this,SLOT(request_addEmptyTab()));
    connect(m_actionSave_current_tabs,SIGNAL(triggered(bool)),this,SLOT(request_saveasConfig()));
 
    //ExpertSettings
    #ifdef BUILDVP1LIGHT
        menuConfiguration->addSeparator();
        m_actionEnableExpertSettings = menuConfiguration->addAction ( "&Settings" );
        m_actionEnableExpertSettings->setStatusTip("Open additional settings");
        connect(m_actionEnableExpertSettings, &QAction::triggered, this, &VP1MainWindow::request_expertSettings);
    #endif
 
    //Event navigation:
    connect(pushButton_nextevent,SIGNAL(clicked()),this,SLOT(goToNextEvent()));
    #ifdef BUILDVP1LIGHT
        connect(pushButton_previousevent,SIGNAL(clicked()),this,SLOT(goToPreviousEvent()));
        connect(pushButton_eventselect,SIGNAL(clicked()),this,SLOT(chooseEvent()));
    #endif
 
    //Listen for external requests:
    connect(&m_tcpserver,SIGNAL(receivedExternalRequest(VP1ExternalRequest)),this,SLOT(receivedExternalRequest(VP1ExternalRequest)));
    listenOnTcp();
    //  updateTcpIcon();
    connect(&m_tcpserver,SIGNAL(listenStateChanged(bool)),this,SLOT(updateTcpIcon()));
    updateTcpIcon();
    m_currentincomingdialog=0;
    m_blockallmessages=false;
    m_plugindialog=0;
 
    //Cruise:
    connect(pushButton_cruise,SIGNAL(clicked()),this,SLOT(request_cruisemodechange()));
    connect(radioButton_cruise_event,SIGNAL(clicked()),this,SLOT(request_cruisemodechange()));
    connect(radioButton_cruise_tab,SIGNAL(clicked()),this,SLOT(request_cruisemodechange()));
    connect(radioButton_cruise_both,SIGNAL(clicked()),this,SLOT(request_cruisemodechange()));
 
    // Help menu
  QMenu* menu_help = new QMenu(menubar);
  menu_help->setObjectName("menu_help");
  menu_help->setTitle("&Help");
  menubar->addAction(menu_help->menuAction());
  m_action_openVP1Site = menu_help->addAction("VP1 &Web Site");
  m_action_openUsersGuide = menu_help->addAction("VP1 &User's Guide");
  m_action_openUsersSupport = menu_help->addAction("VP1 User's &Support (in the system browser)");
  menu_help->addSeparator();
  m_action_openAbout = menu_help->addAction("&About VP1");
 
    QTimer::singleShot(0, this, SLOT(postInitUpdates()));
    m_currentsaveimagepath = VP1Settings::defaultFileSelectDirectory();
    m_currentloadpluginpath = VP1Settings::defaultFileSelectDirectory();
 
    connect(m_action_openUsersGuide,SIGNAL(triggered(bool)),this,SLOT(help_openUserGuide()));
  connect(m_action_openVP1Site,SIGNAL(triggered(bool)),this,SLOT(help_openVP1WebSite()));
  connect(m_action_openUsersSupport,SIGNAL(triggered(bool)),this,SLOT(help_openUserSupport()));
  connect(m_action_openAbout,SIGNAL(triggered(bool)),this,SLOT(help_openAbout()));
 
  // FIXME: enabling menubar again. It's part of a quickfix, described here: https://its.cern.ch/jira/browse/ATLASVPONE-120
  #ifndef BUILDVP1LIGHT
    menubar->setEnabled(false);
  #endif
}
 
//_________________________________________________________________________________
void VP1MainWindow::launch3DstereoEditor()
{
    VP1Msg::messageDebug("VP1MainWindow::launch3DstereoEditor()");
    m_tabmanager->launchStereoEditorCurrentTab();
 
}
 
//_________________________________________________________________________________
void VP1MainWindow::help_openUserGuide() {
    /*
     * Open the online help from a web url location
     * with the default system web browser
     */
    VP1Msg::messageDebug("VP1MainWindow::help_openUserGuide()");
    // we use here the default system browser
    QDesktopServices::openUrl(QUrl("http://atlas-vp1.web.cern.ch/atlas-vp1/doc/"));
    return;
}
 
//_________________________________________________________________________________
void VP1MainWindow::help_openUserSupport() {
    /*
     * Open the online page with links to the JIRA issue collectors
     * with the default system web browser
     */
    VP1Msg::messageDebug("VP1MainWindow::help_openUserSupport()");
    // we use here the default system browser
    QDesktopServices::openUrl(QUrl("http://atlas-vp1.web.cern.ch/atlas-vp1/vp1_users_support/"));
    return;
}
 
//_________________________________________________________________________________
void VP1MainWindow::help_openVP1WebSite() {
    /*
     * Open the online help from a web url location
     * with the default system web browser
     */
    VP1Msg::messageDebug("VP1MainWindow::help_openVP1WebSite()");
    // we use here the default system browser
    QDesktopServices::openUrl(QUrl("http://atlas-vp1.web.cern.ch/atlas-vp1/"));
    return;
}
 
 
//_________________________________________________________________________________
void VP1MainWindow::help_openAbout() {
    /*
     * open the online help 
     */
    VP1Msg::messageDebug("VP1MainWindow::help_openAbout()");
    // we use here the default system browser
    QDesktopServices::openUrl(QUrl("https://atlas-vp1.web.cern.ch/atlas-vp1/doc_new/about_vp1/CREDITS.html"));
    return;
}
 
 
//_________________________________________________________________________________
void VP1MainWindow::postInitUpdates(){
 
    //Make sure that the splitters give maximum space for the tab area.
 
    int sum1 = splitter_tabwidget_messagebox->sizes().at(0) + splitter_tabwidget_messagebox->sizes().at(1);
    QList<int> sizes1; sizes1 << sum1 << 0;
    splitter_tabwidget_messagebox->setSizes ( sizes1 );
    int bottom = 1;
    while (splitter_tabwidget_messagebox->sizes().at(1)==0&&bottom<50000) {
        QList<int> sizes2; sizes2 << sum1-bottom << bottom;
        splitter_tabwidget_messagebox->setSizes ( sizes2 );
        ++bottom;
    }
 
    int sum2 = splitter_leftright->sizes().at(0) + splitter_leftright->sizes().at(1);
    int left = 300;
    QList<int> sizes3; sizes3 << left << sum2-left;
    splitter_leftright->setSizes ( sizes3 );
    while (splitter_leftright->sizes().at(0)==0&&left<50000) {
        QList<int> sizes4; sizes4 << left << sum2-left;
        splitter_leftright->setSizes ( sizes4 );
        ++left;
    }
 
    int prefwidths = std::max<int>(left,widget_controlsContainer->sizeHint().width());
    prefwidths = std::max<int>(prefwidths,groupBox_channelcontrols->sizeHint().width());
    prefwidths = std::max<int>(prefwidths,groupBox_cruise->sizeHint().width());
    prefwidths = std::max<int>(prefwidths,groupBox_event->sizeHint().width());
    prefwidths = std::max<int>(prefwidths,stackedWidget_customcontrols->sizeHint().width());
    widget_controlsContainer->setMaximumWidth(50+prefwidths);
    //   int h1(textBrowser_intro1->viewport()->sizeHint().height());
    //   textBrowser_intro1->setMaximumHeight(h1+2);
    if (m_availEvents)
        m_availEvents->init();
    updateEventControls();
}
 
//_________________________________________________________________________________
void VP1MainWindow::setupStatusBar()  {
    progressbar = new QProgressBar();
    progressbar->setMinimum(0);
    progressbar->reset();
    progressbar->setOrientation(Qt::Horizontal);
    statusBar()->addPermanentWidget(progressbar);
    m_statusbarlabel = new QLabel();
    //Turn off ugly box around items in statusbar:
    statusBar()->setStyleSheet("QStatusBar::item { border-width: 0 }");
    statusBar()->addPermanentWidget(m_statusbarlabel);
    progressbar->hide();
}
 
//_________________________________________________________________________________
VP1MainWindow::~VP1MainWindow()
{
    if (m_edEditor) {
        VP1Msg::messageDebug("deleting the editor");
        delete m_edEditor;
    }
    VP1Msg::messageDebug("deleting the tab manager");
    delete m_tabmanager;
    VP1Msg::messageDebug("deleting the channel manager");
    delete m_channelmanager;
    VP1Msg::messageDebug("deleting the events");
    delete m_availEvents;
 
    if(m_streamMenuUpdater) {
        VP1Msg::messageDebug("deleting the streamupdater");
        m_streamMenuUpdater->quit();
        m_streamMenuUpdater->deleteLater();
    }
 
    VP1Msg::messageDebug("deleting the mutex");
    delete m_mutex;
 
    VP1Msg::messageDebug("deleting the view");
}
 
//_________________________________________________________________________________
bool VP1MainWindow::mustQuit() const {
    return m_mustquit;
}
 
 
//_________________________________________________________________________________
void VP1MainWindow::updateTcpIcon()
{
    bool l = m_tcpserver.isListening();
    m_statusbarlabel->setPixmap(QIcon(l?":/vp1/icons/icons/network_64x64.png":":/vp1/icons/icons/network_disconnect_64x64.png")
            .pixmap(progressbar->height(),progressbar->height(),QIcon::Normal,QIcon::On));
    m_statusbarlabel->setToolTip(l?"Listening on port "+QString::number(m_tcpserver.port())+" for incoming messsages"
            :"VP1 is presently NOT listening for incoming messages");
 
}
 
//_________________________________________________________________________________
void VP1MainWindow::loadPluginFile(const QString& filename)
{
    VP1Msg::messageDebug("loadPluginFile()");
 
    QString err = m_channelmanager->loadPluginFile(filename);
    if (!err.isEmpty()) {
        QMessageBox::critical(0, "Error - could not load plugin file: "+filename,
                "Could not load plugin file: "
                +filename+"\n\nReason: "+err,QMessageBox::Ok,QMessageBox::Ok);
        VP1Msg::message("Could not load plugin file: "+filename+"\n\nReason: "+err);
    }
    //Fixme: Error message here is hardcoded to be the same as in loadPluginFile method!!
}
 
//_________________________________________________________________________________
void VP1MainWindow::request_addEmptyTab() {
    bool ok;
    QString newtabname = QInputDialog::getText( 0, "New Tab Name","New tab name:",
            QLineEdit::Normal, m_tabmanager->suggestNewTabName("My Tab"), &ok );
    if (!ok||newtabname.isEmpty())
        return;
    m_tabmanager->addNewTab(newtabname);
}
 
//_________________________________________________________________________________
void VP1MainWindow::tabListChanged(const QStringList& l) {
    updateCentralStackWidget();
    if (l.count()) {
        m_actionSave_current_tabs->setEnabled(true);
        groupBox_cruise->setEnabled(true);
    } else {
        m_actionSave_current_tabs->setEnabled(false);
        groupBox_cruise->setEnabled(false);
    }
    if (l.count()>1) {
        radioButton_cruise_tab->setEnabled(true);
        radioButton_cruise_both->setEnabled(true);
    } else {
        if (radioButton_cruise_tab->isChecked()||radioButton_cruise_both->isChecked())
            radioButton_cruise_event->setChecked(true);
        radioButton_cruise_tab->setEnabled(false);
        radioButton_cruise_both->setEnabled(false);
    }
}
 
//_________________________________________________________________________________
void VP1MainWindow::addChannelIconsToComboBox(QComboBox* cb, const bool& isbasenames) {
    int n= cb->count();
    for (int i = 0; i<n; ++i) {
        QString icontext = m_channelmanager->getIconLocation(cb->itemText(i), isbasenames);
        if (!icontext.isEmpty())
            cb->setItemIcon ( i, QIcon(icontext) );
    }
}
 
//_________________________________________________________________________________
void VP1MainWindow::selectedChannelChanged(IVP1ChannelWidget* cw)
{
    VP1Msg::messageDebug("VP1MainWindow::selectedChannelChanged()");
 
    //Controls box:
    if (cw) {
        groupBox_channelcontrols->setTitle("Controls: "+cw->unique_name());
        groupBox_channelcontrols->setEnabled(true);
        QWidget* controller = m_channelmanager->getController(cw);
        if (!controller) {
            stackedWidget_customcontrols->setCurrentWidget(m_dummyemptycontroller);
        } else {
            if (stackedWidget_customcontrols->indexOf(controller)==-1)
                stackedWidget_customcontrols->addWidget(controller);
            stackedWidget_customcontrols->setCurrentWidget(controller);
        }
    } else {
        groupBox_channelcontrols->setTitle("Controls: no channel selected");
        groupBox_channelcontrols->setEnabled(false);
        stackedWidget_customcontrols->setCurrentWidget(m_dummyemptycontroller);
    }
 
    // FIXME: enabling menubar again. It's part of a quickfix, described here: https://its.cern.ch/jira/browse/ATLASVPONE-120
    menubar->setEnabled(true);
 
  // FIXME: enabling menubar again. It's part of a quickfix, described here: https://its.cern.ch/jira/browse/ATLASVPONE-120
  menubar->setEnabled(true);
}
 
//_________________________________________________________________________________
void VP1MainWindow::request_saveasConfig() {
 
    QString filename = QFileDialog::getSaveFileName(this, "Select configuration file to save",
            (m_currentconfigfile.isEmpty()?VP1Settings::defaultFileSelectDirectory():m_currentconfigfile),
            "VP1 Configuration files (*.vp1)",0,QFileDialog::DontResolveSymlinks);
    if(filename.isEmpty())
        return;
 
    if (!filename.endsWith(".vp1"))
        filename += ".vp1";
 
    m_tabmanager->saveConfigurationToFile(filename,false/*Since the filedialog already asks*/);
    m_currentconfigfile=filename;
}
 
//_________________________________________________________________________________
void VP1MainWindow::request_saveConfig()
{
    if (m_currentconfigfile.isEmpty()) {
        request_saveasConfig();
        return;
    }
    m_tabmanager->saveConfigurationToFile(m_currentconfigfile,false);
}
 
//_________________________________________________________________________________
void VP1MainWindow::request_loadConfig()
{
    QString filename = QFileDialog::getOpenFileName(this, "Select configuration file to load",
            (m_currentconfigfile.isEmpty()?VP1Settings::defaultFileSelectDirectory():m_currentconfigfile),
            "VP1 configuration files (*.vp1)",0,QFileDialog::DontResolveSymlinks);
    if(filename.isEmpty())
        return;
    m_tabmanager->loadConfigurationFromFile(filename,availablePluginFiles());
    m_currentconfigfile=filename;
}
 
//_________________________________________________________________________________
void VP1MainWindow::request_loadPlugin()
{
#ifdef __APPLE__
    QString sharedlibsuffix = "dylib";
#else
    QString sharedlibsuffix = "so";
#endif
  qDebug() << "VP1MainWindow::request_loadPlugin()"<<m_currentloadpluginpath;
 
    QString filename = QFileDialog::getOpenFileName(this, "Select plugin file to load",
            m_currentloadpluginpath,
            "VP1 plugin files (*VP1*."+sharedlibsuffix+")",0,QFileDialog::DontResolveSymlinks);
    if(filename.isEmpty())
        return;
    m_currentloadpluginpath = QFileInfo(filename).dir().absolutePath();
    loadPluginFile(filename);
}
 
//_________________________________________________________________________________
QMap<QString,QString> VP1MainWindow::availableFiles(const QString& extension,
        const QString& pathvar,//LD_LIBRARY_PATH or DATAPATH
        const QString& instareasubdir,
        const QString& extradirenvvar,
        bool currentdir ) const
{
 
  qDebug() << "VP1MainWindow::availableFiles()";
    qDebug() << "extension:" << extension << "pathvar:" << pathvar << "instareasubdir:" << instareasubdir << "extradirenvvar:" << extradirenvvar << "currentdir:" << currentdir;
 
 
    //Add directories from extradirenvvar (e.g. $VP1PLUGINPATH)
    QStringList vp1pluginpath =
          extradirenvvar.isEmpty() ?
          QStringList() :
          QString(::getenv(extradirenvvar.toStdString().c_str())) .
#if QTCORE_VERSION >= 0x050E00
            split(":",Qt::SkipEmptyParts);
#else
            split(":",QString::SkipEmptyParts);
#endif
    if(VP1Msg::debug()){
      qDebug() << "extradirenvvar:" << extradirenvvar;
      qDebug()  << "vp1pluginpath:" << vp1pluginpath;
    }
 
    #ifdef BUILDVP1LIGHT
        //Add dir from Expert Settings
        if(VP1QtUtils::expertSettingValue("expert","ExpertSettings/VP1PLUGINPATH")==""){
            vp1pluginpath<<QCoreApplication::applicationDirPath()+"/../lib";
        } else{
            vp1pluginpath<<VP1QtUtils::expertSettingValue("expert","ExpertSettings/VP1PLUGINPATH");
        }
    #endif
 
    //Currentdir:
    if (currentdir) {
        vp1pluginpath<<QDir::currentPath();
        if (QDir::currentPath()!=VP1Settings::defaultFileSelectDirectory())
            vp1pluginpath<<VP1Settings::defaultFileSelectDirectory();
    }
 
    //Add directories from pathvar (looking in subdir instareasubdir):
    QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
    VP1Msg::messageDebug("This is the 'pathvar' variable: " + pathvar);
    QString path = env.value(pathvar);
    VP1Msg::messageDebug("Add directories from 'pathvar' variable: " + path);
 
    if (!path.isEmpty()) {
#if QTCORE_VERSION >= 0x050E00
        VP1Msg::messageDebug("We're using Qt5...");
        QStringList tmp = path.split(":",Qt::SkipEmptyParts);//This 'tmp' is for SLC3 compilation.
#else
        VP1Msg::messageDebug("We're using Qt older than 5...");
        QStringList tmp = path.split(":",QString::SkipEmptyParts);//This 'tmp' is for SLC3 compilation.
#endif
        for (const QString& dir : tmp) {
            vp1pluginpath << ( instareasubdir.isEmpty() ? dir : dir+QDir::separator()+instareasubdir );
        }
    }
 
    // Remove duplicates
    int nDuplicatesRemoved = vp1pluginpath.removeDuplicates();
    VP1Msg::messageDebug("Removed '" + QString::number(nDuplicatesRemoved) + "' duplicate paths.");
 
    // Remove all nonexisting directories:
    QStringList validPluginPaths;
    validPluginPaths.reserve(vp1pluginpath.size());
    for (const QString& plugindir : vp1pluginpath) {
        VP1Msg::messageDebug("plugindir: '" + plugindir + "'");
        QFileInfo fi(plugindir);
 
        if (fi.exists() && fi.isDir()) {
            validPluginPaths << plugindir;
        } else {
            VP1Msg::messageDebug("Removed non-valid path: '" + plugindir + "'");
        }
    }
    vp1pluginpath = validPluginPaths;
 
 
    //Find all files with required extension in the directories (in case of duplicates - the ones appearing first are used):
    QMap<QString,QString> plugins2fullpath;
    for (const QString& plugindir : vp1pluginpath) {
        QStringList plugins = QDir(plugindir).entryList((QStringList()<<("*"+extension)),QDir::CaseSensitive | QDir::Files | QDir::Readable,QDir::Name);
        for (QString plugin : plugins) {
            plugin = QFileInfo(plugin).fileName();
            if (!plugins2fullpath.contains(plugin)) {
                QString fullpath = plugindir+QDir::separator()+plugin;
                plugins2fullpath[plugin]=fullpath;
            }
        }
    }
    return plugins2fullpath;
}
 
//_________________________________________________________________________________
QMap<QString,QString> VP1MainWindow::availablePluginFiles() const
{
VP1Msg::messageDebug("VP1MainWindow::availablePluginFiles()");
 
#ifdef __APPLE__
    QString sharedlibsuffix = "dylib";
#else
    QString sharedlibsuffix = "so";
#endif
 
    return availableFiles( "."+sharedlibsuffix, "LD_LIBRARY_PATH", "vp1plugins", "VP1PLUGINPATH" );
 
}
 
//_________________________________________________________________________________
void VP1MainWindow::pluginDialogClosed() {
    if (!m_plugindialog)
        return;
 
    int res = m_plugindialog->result();
    QString filename = m_plugindialog->unloadfile();
    disconnect(m_plugindialog,SIGNAL(finished(int)),this,SLOT(pluginDialogClosed()));
    m_plugindialog->deleteLater();
    m_plugindialog = 0;
 
    if (res!=QDialog::Accepted||filename.isEmpty())
        return;
 
    QStringList bns = m_channelmanager->channelsInPluginFile(filename);
 
    for (const QString& bn : bns) {
        while(m_channelmanager->basename2UniqueNames(bn).count()>0)
            m_tabmanager->removeChannel(m_channelmanager->basename2UniqueNames(bn).value(0));
    }
 
    m_currentunloadpluginfiles << filename;
    QTimer::singleShot(0, this, SLOT(unloadPlugin_continue()));
 
}
 
//_________________________________________________________________________________
void VP1MainWindow::unloadPlugin_continue()
{
    for (const QString& filename : m_currentunloadpluginfiles) {
        bool success = m_channelmanager->unloadPluginFile(filename);
        if (!success)
            QMessageBox::critical(0, "Error - problems unloading plugin file: "+filename,
                    "Problems encountered while attempting to unload plugin file: "+filename,QMessageBox::Ok,QMessageBox::Ok);
    }
    m_currentunloadpluginfiles.clear();
}
 
//_________________________________________________________________________________
bool VP1MainWindow::okToProceedToNextEvent() const
{
    return ! (m_betweenevents || (m_availEvents&&m_availEvents->freshEvents().isEmpty()));
}
 
 
//_________________________________________________________________________________
void VP1MainWindow::nextEvent() {
    m_betweenevents=true;
    if (m_availEvents) {
        QList<VP1EventFile>  evts = m_availEvents->freshEvents();
        if (evts.empty()) {
            addToMessageBox("ERROR: Going to next event, but one is not available!");
            m_scheduler->setNextRequestedEventFile("");
        } else {
            m_scheduler->setNextRequestedEventFile(evts.front().fileName());
        }
    }
    updateEventControls();
}
 
//_________________________________________________________________________________
void VP1MainWindow::goToNextEvent() {
    #if defined BUILDVP1LIGHT
            std::cout << "goToNextEvent: \n"
                     << "m_scheduler->getEvtNr()+2: " << m_scheduler->getEvtNr()+2
                     << "\nm_scheduler->getTotEvtNr(): " << m_scheduler->getTotEvtNr() << std::endl;
        if ( m_scheduler->getEvtNr()+2 < m_scheduler->getTotEvtNr() ) {
            std::cout << "First case" << std::endl;
            m_scheduler->setEvtNr(m_scheduler->getEvtNr()+1);
            nextEvent();
          qApp->quit();
        }
        else if( m_scheduler->getEvtNr()+2 == m_scheduler->getTotEvtNr() ) {
            std::cout << "Second case" << std::endl;
            m_scheduler->setEvtNr(m_scheduler->getEvtNr()+1);
            nextEvent();
          qApp->quit();
        }
    #else
    nextEvent();
  qApp->quit();
  #endif
}
 
#if defined BUILDVP1LIGHT
//_________________________________________________________________________________
void VP1MainWindow::goToPreviousEvent() {
    if ( m_scheduler->getEvtNr()-1 > 0 ) {
        m_scheduler->setEvtNr(m_scheduler->getEvtNr()-1);
        nextEvent();
      qApp->quit();
    }
    else if( m_scheduler->getEvtNr()-1 == 0 ) {
        m_scheduler->setEvtNr(m_scheduler->getEvtNr()-1);
        nextEvent();
      qApp->quit();
    }
}
#endif
 
//_________________________________________________________________________________
void VP1MainWindow::closeEvent(QCloseEvent * event)
{
    VP1Msg::messageDebug("VP1MainWindow::closeEvent()");
 
    bool checkEnableAskOnClose;
    #if defined BUILDVP1LIGHT
        checkEnableAskOnClose = VP1QtUtils::expertSettingIsSet("general","ExpertSettings/VP1_ENABLE_ASK_ON_CLOSE");
    #else
        checkEnableAskOnClose = VP1QtUtils::environmentVariableIsOn("VP1_ENABLE_ASK_ON_CLOSE");
    #endif
 
    if (checkEnableAskOnClose) {
        int ret = QMessageBox::warning(this,
                "Close VP1?",
                "You are about to close VP1 and end the job.\nProceed?",
                QMessageBox::Ok| QMessageBox::Cancel,
                QMessageBox::Cancel );
        if (ret!=QMessageBox::Ok) {
            event->ignore();
            return;
        }
        m_userRequestedExit = true;
    }
 
    hide();
 
    VP1Msg::messageDebug("calling tabmanager->setSelectedDockWidget(0)...");
    m_tabmanager->setSelectedDockWidget(0);
    VP1Msg::messageDebug("tabmanager->setSelectedDockWidget(0) called.");
 
    m_mustquit=true; // this will inform VP1Alg that we want to quit VP1 (then we'll quit the Athena algorithm)
    VP1Msg::messageDebug("calling qApp->quit()...");
    qApp->quit();
}
 
//_________________________________________________________________________________
void VP1MainWindow::setRunEvtNumber(const int& r, const unsigned long long& e, const unsigned& triggerType, const unsigned& time, const bool& printmessage ) {
 
    m_scheduler->setNextRequestedEventFile("");
    const bool sameasold(m_runnumber==r&&m_eventnumber==e);
 
    m_runnumber=r;
    m_eventnumber=e;
    m_timestamp=time;
 
    m_betweenevents = false;
    if (m_availEvents)
        m_availEvents->setCurrentEvent(r,e);
 
    for(IVP1ChannelWidget* channel : m_tabmanager->allChannels()) {
        channel->setRunEvtNumber(r,e);
        channel->setEvtTimestamp(time);
    }
 
    if(printmessage) {
        qulonglong evNumber = m_eventnumber;
        QString evtstr = "run# "+QString::number(m_runnumber)+", event# "+QString::number(evNumber)+(sameasold?" (reused)":"");
        QString trighex = triggerType > 0 ? "0x"+QString::number(triggerType, 16).toUpper().rightJustified(sizeof(triggerType),'0') : "";
        QString expandedevtstr = evtstr
                + QString(trighex.isEmpty()?QString(""):", triggerType: "+trighex)
                + QString(time>0 ? ", time: "+eventTimeUTC(time) : "")
                + QString(m_currentStream.isEmpty()?"":", "+m_currentStream);
 
    #ifdef BUILDVP1LIGHT
        setWindowTitle("VP1Light ["+expandedevtstr+"]");
    #else
        setWindowTitle("VP1 (Virtual Point 1) ["+expandedevtstr+"]");
        #endif // BUILDVP1LIGHT
 
        groupBox_event->setTitle("Event [loaded]");
        QString eventDetails =
                "Run: " + QString::number(m_runnumber) +
                "\nEvent: " + QString::number(evNumber);
        if (time > 0) {
            eventDetails +=
                    "\nTime UTC: " + eventTimeUTC(time) +
                    "\nTime Europe/Zurich (CERN): " + eventTimeCERN(time);
        }
        label_run_event->setText(eventDetails);
 
        addToMessageBox("New event: "+expandedevtstr,"color:#ff0000");
 
    }
    updateEventControls();
}
 
//_________________________________________________________________________________
void VP1MainWindow::addToMessageBox( const QString& m, const QString& extrastyleopts,
        const QString& title, const QString& titleextrastyleopts )
{
 
    if (title.isEmpty())
        std::cout<<VP1Msg::prefix_msg()<<": "<<m.toStdString()<<std::endl;
    else
        std::cout<<VP1Msg::prefix_msg()<<": "<<title.toStdString() << ": " <<m.toStdString()<<std::endl;
 
 
    QString titlepart = ( title.isEmpty() ? "" : ( titleextrastyleopts.isEmpty() ? title
            : "<span style=\"font-style:italic;"+titleextrastyleopts+";\">["+title+"]</span> "));
 
    textBrowser_channelmessages->append(titlepart
            + ( extrastyleopts.isEmpty() ? m
                    : "<span style=\"font-style:italic;"+extrastyleopts+";\">"+m+"</span>"));
    textBrowser_channelmessages->verticalScrollBar()->setSliderPosition(textBrowser_channelmessages->verticalScrollBar()->maximum());
}
 
//_________________________________________________________________________________
void VP1MainWindow::systemAddToMessageBox( const QString& m )
{
    IVP1System*sys = static_cast<IVP1System*>(sender());
    if (!sys) {
        addToMessageBox("VP1MainWindow::systemAddToMessageBox Error: Only prints system messages!");
        return;
    }
    if (!sys->channel()) {
        addToMessageBox("VP1MainWindow::systemAddToMessageBox Error: System does not know its channel!");
        return;
    }
    addToMessageBox( m, "color:#000000",sys->channel()->unique_name()+"/"+sys->name(),"color:#0000ff" );
}
 
//_________________________________________________________________________________
void VP1MainWindow::channelAddToMessageBox( const QString& m )
{
    IVP1ChannelWidget*cw = static_cast<IVP1ChannelWidget*>(sender());
    if (!cw) {
        addToMessageBox("VP1MainWindow::channelAddToMessageBox Error: Only prints channelwidget messages!");
        return;
    }
    addToMessageBox(m,"color:#000000", cw->unique_name(),"color:#0000ff");
}
 
//_________________________________________________________________________________
void VP1MainWindow::helperAddToMessageBox( const QString& m )
{
    addToMessageBox(m);
}
 
//_________________________________________________________________________________
void VP1MainWindow::request_channelInformation() {
    if(!m_tabmanager->selectedChannelWidget())
        return;
 
    QString out = "Information about channel: "+m_tabmanager->selectedChannelWidget()->name() + "\n\n";
    out += "Contact: "+m_tabmanager->selectedChannelWidget()->contact_info()+"\n";
    out += "Information: "+m_tabmanager->selectedChannelWidget()->information()+"\n";
    out += "Systems:\n\n";
    std::set<IVP1System *>::iterator itsys, itsysE = m_tabmanager->selectedChannelWidget()->systems().end();
    for (itsys = m_tabmanager->selectedChannelWidget()->systems().begin();itsys!=itsysE;++itsys) {
        out += "  ==> System "+(*itsys)->name()+"\n";
        out += "      Contact: "+(*itsys)->contact_info()+"\n";
        out += "      Information: "+(*itsys)->information()+"\n";
        out += "\n";
    }
 
    QMessageBox::information(0, "Information about channel: "+m_tabmanager->selectedChannelWidget()->name(),Qt::convertFromPlainText(out),QMessageBox::Ok,QMessageBox::Ok);
}
 
//_________________________________________________________________________________
void VP1MainWindow::makeAllChannelsEventDisplay()
{
    VP1Msg::messageVerbose("VP1MainWindow::makeAllChannelsEventDisplay()");
 
    QList<QPixmap> list;
    QStringList listNames;
    QList<unsigned long long> listRunEventNumberTimestamp;
 
    getAllChannelsIntoSnapshots(list, listNames);
 
    listRunEventNumberTimestamp << m_runnumber;
    listRunEventNumberTimestamp << m_eventnumber;
    listRunEventNumberTimestamp << m_timestamp;
 
    // create a new editor window
    m_edEditor = new VP1EventDisplayEditor(this, listRunEventNumberTimestamp);
 
    m_edEditor->addPixmapList(list, listNames);
 
    // pass the lists of all tabs and their names to the editor
    m_edEditor->setTabsList( listNames);
 
    m_edEditor->show();
 
}
 
 
 
 
//_________________________________________________________________________________
void VP1MainWindow::getAllChannelsIntoSnapshots(QList<QPixmap>& list, QStringList& listNames)
{
    VP1Msg::messageDebug("VP1MainWindow::getAllChannelsIntoSnapshots()");
 
//  int nTabs = m_tabmanager->nTabs();
    QList<IVP1ChannelWidget*> allTabs = m_tabmanager->allChannels();
 
    if (allTabs.isEmpty()) {
        VP1Msg::message("WARNING - No tabs to save.");
        return;
    }
 
    int nT = 0;
 
    // loop over all tabs/channels
    for(IVP1ChannelWidget* widg : allTabs) {
 
        // increase tab number
        ++nT;
 
        // get channel name (e.g. Geometry, 3DCocktail)
        QString channelname = m_tabmanager->channelToTab(widg);
        channelname.replace(' ','_');
        VP1Msg::messageDebug("tab: " + channelname);
 
        // DEBUG MSGS
        // get channel info, only for debug
        //QString info = widg->information();
        //VP1Msg::messageDebug("channel info: " + info);
 
 
        QPixmap snap = getSingleChannelCustomSnapshot(widg);
 
        list << snap;
        listNames << channelname;
 
    }
 
    VP1Msg::messageVerbose(QString::number(nT)+" tabs/channels saved in the QList.");
 
}
 
//_________________________________________________________________________________
QPixmap VP1MainWindow::getSingleChannelCustomSnapshot(IVP1ChannelWidget* tab, int width)
{
    VP1Msg::messageDebug("VP1MainWindow::getSingleChannelCustomSnapshot()");
 
    std::cout << "tab: " << tab << std::endl;
 
    // save the anti-aliasing status, set by the user
    bool antialias_original = tab->isAntiAliasing();
 
    // for the final event display images we want the anti-aliasing turned ON,
    tab->setAntiAliasing(true);
 
    // get the snapshot
    QPixmap snap;
    if (width)
        snap = tab->getSnapshot(true, width); // 'true' means 'transparent background'
    else
        snap = tab->getSnapshot(true); // 'true' means 'transparent background'
 
    if (snap.isNull()) {
        VP1Msg::message("ERROR! - No snapshot produced!");
        return QPixmap();
    }
 
    // go back to the original anti-aliasing status, set by the user for the tab
    tab->setAntiAliasing(antialias_original);
 
    return snap;
}
//_________________________________________________________________________________
QPixmap VP1MainWindow::getSingleChannelCustomSnapshot(const QString& tabName, int width)
{
    QList<IVP1ChannelWidget*> allTabs = m_tabmanager->allChannels();
 
    if (allTabs.isEmpty()) {
        VP1Msg::message("WARNING - No tabs to get snapshots from.");
    }
 
    // loop over all tabs/channels
    for(IVP1ChannelWidget* widg : allTabs) {
 
        // get channel name (e.g. Geometry, 3DCocktail)
        QString channelname = m_tabmanager->channelToTab(widg);
        channelname.replace(' ','_');
 
        if (channelname == tabName) {
            VP1Msg::messageDebug("found tab: " + channelname);
 
            if (width)
                return getSingleChannelCustomSnapshot(widg, width);
            else
                return getSingleChannelCustomSnapshot(widg);
 
        }
    }
    return QPixmap();
}
 
//_________________________________________________________________________________
void VP1MainWindow::saveAllCurrentChannels()
{
    VP1Msg::messageDebug("VP1MainWindow::saveAllCurrentChannels()");
 
    int nTabs = m_tabmanager->nTabs();
 
    VP1Msg::messageDebug("# of tabs: " + QString::number(nTabs));
 
    QList<IVP1ChannelWidget*> allTabs = m_tabmanager->allChannels();
 
    if (allTabs.isEmpty()) {
        VP1Msg::message("WARNING - No tabs to save.");
        return;
    }
 
 
//  QString guess;
//  QString chnlname = m_tabmanager->selectedChannelWidget()->name().toLower();
//  chnlname.replace(' ','_');
 
    QString base=m_currentsaveimagepath+QDir::separator()+"vp1"
            + "_run"+QString::number(m_runnumber)+"_evt"+QString::number(m_eventnumber)
            + QString(m_timestamp>0 ? "_"+QDateTime::fromTime_t(m_timestamp).toString(Qt::ISODate).replace(':','-') : "");
 
 
    // check for existing files
    int i(2);
    while (QFile::exists(base+".png")) {
        base = base+"_"+QString::number(i++);
    }
 
    // let the user choose the base filename
    QString filename = QFileDialog::getSaveFileName(0, "Select target image file", base,
            "Image (*.png *.bmp)",
            0,QFileDialog::DontResolveSymlinks);
    if(filename.isEmpty()) {
        VP1Msg::message("WARNING - No filename selected.");
        return;
    }
 
    m_currentsaveimagepath = QFileInfo(filename).dir().absolutePath ();
 
 
    QStringList tab_save_files;
 
    int nT = 0;
    for(IVP1ChannelWidget* widg : allTabs) {
 
        // increase tab number
        ++nT;
 
        // get channel name (e.g. Geometry, 3DCocktail)
        QString channelname = widg->name().toLower();
        channelname.replace(' ','_');
        VP1Msg::messageDebug("tab: " + channelname);
 
//      // get channel info, only for debug
//      QString info = widg->information();
//      VP1Msg::messageDebug("channel info: " + info);
 
        QPixmap snap = widg->getSnapshot();
        QString tabfilename = filename + "_" + QString::number(nT) + "_" + channelname + ".png";
 
        if (!(tabfilename.endsWith(".png",Qt::CaseInsensitive)||tabfilename.endsWith(".bmp",Qt::CaseInsensitive)))
            tabfilename += ".png";
 
 
        if (!saveSnapshot(this, snap, tabfilename))
            return;
 
        tab_save_files << tabfilename;
    }
 
    VP1Msg::message("Tabs saved as: " + tab_save_files.join(" - "));
 
 
    QMessageBox::information(this, tr("Snapshots saved."),
                         "All tabs have been saved as snapshots in the following files:\n\n"+tab_save_files.join("\n"),
                         QMessageBox::Ok,
                         QMessageBox::Ok);
 
 
//  // TODO: test to create a multilayered PSD or TIFF file
//  // but doesn't work with the ImageMagick version shipped with SLC5...
//  // So I give it up now...
//  QProcess *proc = new QProcess();
//  QString program = "convert";
//  QStringList arguments;
//  arguments = tab_save_files;
//  arguments << " " + m_currentsaveimagepath + QDir::separator() + "out.psd";
//  VP1Msg::messageDebug("running: " + program + " " + arguments.join(" "));
//
//  // start the process
//  proc->start(program, arguments );
//
//  if (!proc->waitForStarted())
//      return;
//
//  if (!proc->waitForFinished())
//      return;
 
}
 
//_________________________________________________________________________________
/*
 * save a snaphot of the currently selected tab.
 *
 * nsnap is an optional parameter: it's an extra label being added
 * to the output filename.
 */
QString VP1MainWindow::request_saveChannelSnapshot(const QString& xLabel)
{
 
    VP1Msg::messageDebug("VP1MainWindow::request_saveChannelSnapshot()");
 
    if(!m_tabmanager->selectedChannelWidget()) {
        return QString();
    }
 
    QString guess;
    QString chnlname = m_tabmanager->selectedChannelWidget()->name().toLower();
    chnlname.replace(' ','_');
 
    QString base=m_currentsaveimagepath+QDir::separator()+"vp1_"+chnlname
            +"_run"+QString::number(m_runnumber)+"_evt"+QString::number(m_eventnumber)
            + QString(m_timestamp>0 ? "_"+QDateTime::fromTime_t(m_timestamp).toString(Qt::ISODate).replace(':','-') : "");
 
 
    // check for existing files
    guess=base;
    int i(2);
    while (QFile::exists(guess+".png")) {
        guess=base+"_"+QString::number(i++);
    }
    guess+=".png";
 
 
    // adding the extra label xLabel, if provided
    if (!xLabel.isEmpty()) {
        guess += "_" + xLabel;
    }
 
 
    QString filename = QFileDialog::getSaveFileName(0, "Select target image file", guess,
            "Image (*.png *.bmp)",
            0,QFileDialog::DontResolveSymlinks);
    if(filename.isEmpty())
        return QString();
 
    m_currentsaveimagepath = QFileInfo(filename).dir().absolutePath ();
 
    if (!(filename.endsWith(".png",Qt::CaseInsensitive)||filename.endsWith(".bmp",Qt::CaseInsensitive)))
        filename += ".png";
 
    VP1Msg::messageVerbose("calling snapshot");
    QPixmap pm = m_tabmanager->selectedChannelWidget()->getSnapshot();
 
    if (!saveSnapshot(this, pm, filename))
        return QString();
 
    return filename;
}
 
//_________________________________________________________________________________
void VP1MainWindow::request_printChannel() {
    if(!m_tabmanager->selectedChannelWidget())
        return;
 
    //The following will paint the widget onto a paper and bring up the print dialog:
    QPrinter printer;
    QPrintDialog dialog(&printer, this);
    if (dialog.exec() == QDialog::Accepted) {
        QPixmap pm = m_tabmanager->selectedChannelWidget()->getSnapshot();
        if (pm.isNull())
            return;
        QPainter painter;
        painter.begin(&printer);
        painter.drawPixmap(0,0,pm);
        painter.end();
    }
}
 
 
//_________________________________________________________________________________
void VP1MainWindow::loadConfigurationFromFile(const QString& file) {
    m_tabmanager->loadConfigurationFromFile(file,availablePluginFiles());
}
 
//_________________________________________________________________________________
void VP1MainWindow::replaceConfigurationFile(const QString& file)
{
    VP1Msg::messageDebug("VP1MainWindow::replaceConfigurationFile() : " + file);
    m_tabmanager->removeAllTabs();
    m_tabmanager->loadConfigurationFromFile(file,availablePluginFiles());
}
 
//_________________________________________________________________________________
void VP1MainWindow::listenOnTcp()
{
    QString err;
    if (!m_tcpserver.listen(err)) {
        qDebug("%s", err.toStdString().c_str());
    }
}
 
 
//_________________________________________________________________________________
void VP1MainWindow::finishedIncomingDialog()
{
    m_currentincomingdialog=0;
    if (!m_requestqueue.empty())
        QTimer::singleShot(0, this, SLOT(processEnqueuedRequests()));
}
 
 
//_________________________________________________________________________________
void VP1MainWindow::processEnqueuedRequests()
{
    if (!m_requestqueue.empty())
        receivedExternalRequest(m_requestqueue.dequeue());
}
 
//_________________________________________________________________________________
void VP1MainWindow::receivedExternalRequest(VP1ExternalRequest request)
{
    if (m_blockallmessages)
        return;
    if (m_messages_blockedsenders.contains(request.sender()))
        return;
    if (m_messages_blockedexactmessages.contains(request))
        return;
    if (m_currentincomingdialog) {
        //Fixme: store TIME of incoming request (to show the user).
        if (m_requestqueue.count()<999) {
            m_requestqueue.enqueue(request);
            m_currentincomingdialog->updatependinginfo();
        }
        return;
    }
    VP1IncomingMessageDialog * md = new VP1IncomingMessageDialog(request,&m_requestqueue,&m_blockallmessages,
            &m_messages_blockedsenders,&m_messages_blockedexactmessages,
            m_tabmanager,m_channelmanager,this);
    m_currentincomingdialog=md;
    connect(md,SIGNAL(finished(int)),this,SLOT(finishedIncomingDialog()));
    m_tabmanager->dropOutOfFullScreen();
    md->show();
}
 
//_________________________________________________________________________________
void VP1MainWindow::request_cruisemodechange()
{
    if (pushButton_cruise->isChecked()) {
        if (radioButton_cruise_event->isChecked()) {
            m_scheduler->setCruiseMode(VP1ExecutionScheduler::EVENT);
            groupBox_cruise->setTitle("Cruise Mode [event]");
        } else if (radioButton_cruise_tab->isChecked()) {
            m_scheduler->setCruiseMode(VP1ExecutionScheduler::TAB);
            groupBox_cruise->setTitle("Cruise Mode [tab]");
        } else if (radioButton_cruise_both->isChecked()) {
            m_scheduler->setCruiseMode(VP1ExecutionScheduler::BOTH);
            groupBox_cruise->setTitle("Cruise Mode [event && tab]");
        } else { assert(0); }
    } else {
        m_scheduler->setCruiseMode(VP1ExecutionScheduler::NONE);
        groupBox_cruise->setTitle("Cruise Mode [off]");
    }
}
 
//_________________________________________________________________________________
void VP1MainWindow::showMenu_loadPlugin()
{
    m_menu_loadPlugin->clear();
 
    QMap<QString,QString> plugins2fullpath = availablePluginFiles();
 
    if (plugins2fullpath.empty()) {
        m_menu_loadPlugin->addAction("No plugins found")->setEnabled(false);
        return;
    }
 
    QStringList pluglist(plugins2fullpath.keys());
    pluglist.sort();
 
    QStringList currentpluginfiles = m_channelmanager->currentPluginFiles();
    for(const QString& plug : pluglist) {
        QAction * act = m_menu_loadPlugin->addAction(plug);
        assert(plugins2fullpath.contains(plug));
        QString fullpath = plugins2fullpath[plug];
        if (currentpluginfiles.contains(fullpath)) {
            act->setEnabled(false);
        } else {
            act->setData(fullpath);
            act->setStatusTip(fullpath);
            connect(act,SIGNAL(triggered(bool)),this,SLOT(showMenu_loadPluginItemSelected()));
        }
    }
 
    m_menu_loadPlugin->addSeparator();
    QAction * act_browse = m_menu_loadPlugin->addAction("&Browse...");
    act_browse->setStatusTip("Browse filesystem for VP1 plugin files");
    connect(act_browse,SIGNAL(triggered(bool)),this,SLOT(request_loadPlugin()));
 
}
 
//_________________________________________________________________________________
void VP1MainWindow::showMenu_loadPluginItemSelected()
{
    QAction * act = static_cast<QAction*>(sender());
    assert(act);
    if (!act)
        return;
    loadPluginFile(act->data().toString());
}
 
 
//_________________________________________________________________________________
void VP1MainWindow::showMenu_loadConfFile()
{
    m_menu_loadConfFile->clear();
 
    QMap<QString,QString> conffile2fullpath =  availableFiles( ".vp1", "DATAPATH", "", "VP1CONFIGFILEPATH", true );
 
    #ifndef BUILDVP1LIGHT
        if (conffile2fullpath.empty()) {
            m_menu_loadConfFile->addAction("No .vp1 config files found")->setEnabled(false);
            return;
        }
 
    QStringList filelist(conffile2fullpath.keys());
    filelist.sort();
 
    for(const QString& file : filelist) {
        QAction * act = m_menu_loadConfFile->addAction(file);
        assert(conffile2fullpath.contains(file));
        QString fullpath = conffile2fullpath[file];
        act->setData(fullpath);
        act->setStatusTip(fullpath);
        connect(act,SIGNAL(triggered(bool)),this,SLOT(showMenu_loadConfFileItemSelected()));
    }
    #endif
 
    m_menu_loadConfFile->addSeparator();
    QAction * act_browse = m_menu_loadConfFile->addAction("&Browse...");
    act_browse->setStatusTip("Browse filesystem for .vp1 config file");
    connect(act_browse,SIGNAL(triggered(bool)),this,SLOT(request_loadConfig()));
 
}
 
 
//_________________________________________________________________________________
void VP1MainWindow::showMenu_loadConfFileItemSelected()
{
    QAction * act = static_cast<QAction*>(sender());
    assert(act);
    if (!act)
        return;
    loadConfigurationFromFile(act->data().toString());
}
 
//_________________________________________________________________________________
void VP1MainWindow::changeStyleActionTriggered()
{
    QAction * act = static_cast<QAction*>(sender());
    assert(act);
    if (!act)
        return;
    assert(QStyleFactory::keys().contains(act->text()));
    if (!QStyleFactory::keys().contains(act->text()))
        return;
    QApplication::setStyle(QStyleFactory::create(act->text()));
    QSettings s(m_settingsfile,QSettings::IniFormat);
    s.setValue("style/defaultstyle",act->text());
 
}
 
//_________________________________________________________________________________
void VP1MainWindow::changeFontSizeActionTriggered()
{
    QAction * act = static_cast<QAction*>(sender());
    assert(act);
    if (!act)
        return;
    bool ok;
    int goal = act->data().toInt(&ok);
    assert(ok);
    if (!ok)
        return;
    changeFontSize(goal);
}
 
//_________________________________________________________________________________
void VP1MainWindow::changeFontSize(int goal)
{
    QFont newfont = m_defaultfont;
    QSettings s(m_settingsfile,QSettings::IniFormat);
    if (m_defaultfont_pointsize<0.0) {
        //pixels
        assert(m_defaultfont_pixelsize+goal>0);
        if (m_defaultfont_pixelsize+goal<=0)
            return;
        if (m_defaultfont_pixelsize+goal>200)
            return;
        newfont.setPixelSize(m_defaultfont_pixelsize+goal);
        s.setValue("font/pixelsize_diff",goal);
    } else {
        //pointsize
        double fact = (goal+100.0)/100.0;
        if (fact<0.01||fact>50)
            return;
        double newpointsize=m_defaultfont_pointsize*fact;
        if (newpointsize<0)
            return;
        newfont.setPointSizeF(newpointsize);
        s.setValue("font/pointsize_relativepercent",goal);
    }
    QApplication::setFont(newfont);
}
 
 
//_________________________________________________________________________________
void VP1MainWindow::updateCentralStackWidget()
{
    QWidget * targetpage = tabWidget_central->count() ? page_tabwidget : page_instructions;
    if (stackedWidget_central->currentWidget() != targetpage)
        stackedWidget_central->setCurrentWidget(targetpage);
}
 
//_________________________________________________________________________________
void VP1MainWindow::quickSetupTriggered()
{
  VP1Msg::messageVerbose("VP1MainWindow::quickSetupTriggered()");
 
  QSettings settings("ATLAS", "VP1Light");
 
  QString plugfile, channelname, tabname;
 
  if (sender()==pushButton_quicksetup_geometrystudies||sender()==action_quicklaunch_Geometry_studies) {
 
    //Open geometry database selection dialog for VP1Light
#ifdef BUILDVP1LIGHT
    if(settings.value("db/dbByEnv").toString().isEmpty()){
      VP1GeoDBSelection dbSelection;
      dbSelection.exec();
      if(!dbSelection.result())
        return;
    }
#endif // BUILDVP1LIGHT
 
    plugfile="libVP1GeometryPlugin.so";
    channelname="Geometry";
    tabname = "Geometry";
  } else if (sender()==pushButton_quicksetup_trackingstudies||sender()==action_quicklaunch_Tracking_studies) {
    plugfile="libVP1TrackPlugin.so";
    channelname="Tracking";
    tabname = "Tracking";
    } else if (sender()==pushButton_quicksetup_calostudies||sender()==action_quicklaunch_Calo_studies) {
        plugfile="libVP1CaloPlugin.so";
        channelname="Calo Cells";
        tabname = "Calorimeter";
    } else if (sender()==action_quicklaunch_Storegate_browser) {
        plugfile="libVP1BanksPlugin.so";
        channelname="Banks";
        tabname = "StoreGate";
  } else if (sender()==pushButton_quicksetup_3dcocktail||sender()==action_quicklaunch_3dcocktail) {
#ifndef BUILDVP1LIGHT
    plugfile="libVP13DCocktailPlugin.so";
    channelname="3DCocktail";
    tabname = "3D Cocktail";
#else
    //Open Geometry DB and AOD file selection dialog for VP1Light
    if(settings.value("aod/aodByEnv").toString().isEmpty()){
      VP1AODSelection aodSelection;
      aodSelection.exec();
      if(!aodSelection.result())
        return;
    }
    if(settings.value("db/dbByEnv").toString().isEmpty()){
      VP1GeoDBSelection dbSelection;
      dbSelection.exec();
      if(!dbSelection.result())
        return;
    }
    m_scheduler->loadEvent();
 
    pushButton_eventselect->setEnabled(true);
    plugfile="libVP1LightPlugin.so";
    channelname="VP1Light";
    tabname = "Geometry/AOD";
#endif // BUILDVP1LIGHT
  } else if (sender()==action_quicklaunch_trackcalo_commis) {
    plugfile="libVP13DCocktailPlugin.so";
    channelname="TrackCalo";
    tabname = "Track/Calo";
  } else if (sender()==pushButton_quicksetup_analysisstudies||sender()==action_quicklaunch_analysisstudies) {
 
    //Open AOD file selection dialog for VP1Light
#ifdef BUILDVP1LIGHT
    if(settings.value("aod/aodByEnv").toString().isEmpty()){
      VP1AODSelection aodSelection;
      aodSelection.exec();
      if(!aodSelection.result())
        return;
    }
    m_scheduler->loadEvent();
    pushButton_eventselect->setEnabled(true);
#endif // BUILDVP1LIGHT
 
    plugfile="libVP1AODPlugin.so";
    channelname="AOD";
    tabname = "Analysis";
  } else {
    addToMessageBox("quickSetupTriggered() Error: Unknown sender");
    return;
  }
 
#ifdef __APPLE__
  if (plugfile.endsWith(".so"))
    plugfile = plugfile.left(plugfile.count()-3)+".dylib";
#endif
 
 
    //Check that the plugin is available:
    QMap<QString,QString> plugins2fullpath = availablePluginFiles();
    if(VP1Msg::debug()){
        qDebug() << "plugins2fullpath: " << plugins2fullpath;
    }
 
    if (!plugins2fullpath.contains(plugfile)) {
        QMessageBox::critical(0, "Error - could not locate plugin file: "+plugfile,
                "could not locate plugin file: "
                +plugfile,QMessageBox::Ok,QMessageBox::Ok);
        return;
    }
    QString plugfile_fullpath = plugins2fullpath[plugfile];
 
 
    //Load plugin
    if (!m_channelmanager->currentPluginFiles().contains(plugfile_fullpath)) {
        QString err = m_channelmanager->loadPluginFile(plugfile_fullpath);
        if (!err.isEmpty()||!m_channelmanager->currentPluginFiles().contains(plugfile_fullpath)) {
            QMessageBox::critical(0, "Error - could not load plugin file: "+plugfile_fullpath,//Fixme: Error message here is hardcoded to be the same as in loadPluginFile method!!
                    "Could not load plugin file: "
                    +plugfile_fullpath+"\n\nReason: "+err,QMessageBox::Ok,QMessageBox::Ok);
            return;
        }
    }
 
 
    //Check that plugin contains necessary channel:
    if (!m_channelmanager->channelsInPluginFile(plugfile_fullpath).contains(channelname)) {
        QMessageBox::critical(0, "Error - did not find necessary channel: "+channelname,
                "Could not find channel: "+channelname+" in loaded plugin "+plugfile_fullpath,
                QMessageBox::Ok,QMessageBox::Ok);
        return;
    }
 
    bool save = updatesEnabled();
    setUpdatesEnabled(false);
 
 
    //Add tab:
    QString newtabname = m_tabmanager->suggestNewTabName(tabname);
    m_tabmanager->addNewTab(newtabname);
    if (!m_tabmanager->hasTab(newtabname)) {
        QMessageBox::critical(0, "Error - could not create tab: "+newtabname,
                "Could not create tab: "+newtabname,
                QMessageBox::Ok,QMessageBox::Ok);
        setUpdatesEnabled(save);
        return;
    }
 
 
    //Finally, add channel:
 
    if (!m_tabmanager->addChannelToTab( channelname, newtabname )) {
        QMessageBox::critical(0, "Error - problems launching channel: "+channelname,
                "Problems launching channel: "+channelname,
                QMessageBox::Ok,QMessageBox::Ok);
        setUpdatesEnabled(save);
        return;
    }
 
 
    m_tabmanager->showTab(newtabname);
 
 
    setUpdatesEnabled(save);
}
 
//_________________________________________________________________________________
void VP1MainWindow::updateEventControls()
{
    pushButton_nextevent->setEnabled(okToProceedToNextEvent());
    #if defined BUILDVP1LIGHT
        pushButton_previousevent->setEnabled(okToProceedToNextEvent());
    #endif
}
 
//_________________________________________________________________________________
void VP1MainWindow::updateInputDirectoriesStatus()
{
    if(!m_mutex->tryLock()) return;
 
    QFont f;
    QFont fb;
    fb.setBold(true);
 
    for (QAction * act : m_inputdiractions) {
        VP1DirStatusData& dirstatus = m_inputdirstatuses[act];
        QString inputdir(act->data().toString());
        QString dirname = QDir(inputdir).dirName();
        act->setEnabled(dirstatus.enabled);
        act->setFont(dirstatus.bold?fb:f);
        act->setText(dirname+" ["+dirstatus.dirStatus+"]");
    }
 
    m_mutex->unlock();
}
 
//_________________________________________________________________________________
void VP1MainWindow::inputDirectoryActionTriggered()
{
    QAction * act = dynamic_cast<QAction*>(sender());
    if (!act)
        return;
    VP1AvailEvtsLocalDir* availLocal = dynamic_cast<VP1AvailEvtsLocalDir*>(m_availEvents);
    if (!availLocal)
        return;
    QString inputdir(act->data().toString());
    QFileInfo fi(inputdir);
    if (fi.exists()&&fi.isDir()) {
        availLocal->setSourceDir(inputdir);
        std::cout<<VP1Msg::prefix_msg()<<": "
                <<"VP1Message: inputdirectory changed to "
                <<availLocal->currentSourceDir().toStdString()<<std::endl;
        m_currentStream = QDir(availLocal->currentSourceDir()).dirName();
    }
 
 
}
 
//________________________________________________________________________________
QStringList VP1MainWindow::userRequestedFiles()
{
    QStringList returnval(m_userRequestedFiles);
    m_userRequestedFiles.clear();
    return returnval;
}
 
//_________________________________________________________________________________
void VP1MainWindow::addEventFile()
{
    QString newEventFile = QFileDialog::getOpenFileName(NULL
            ,tr("Open Event File")
            ,VP1Settings::defaultFileSelectDirectory()
    ,tr("All files (*.*)"));
    if(newEventFile.isEmpty()) return;
    if(VP1FileUtilities::fileExistsAndReadable(newEventFile.toStdString())) {
        m_userRequestedFiles.append(newEventFile);
        addToMessageBox(newEventFile + " will be appended to the list of input files");
    }
    else
        QMessageBox::critical(0, newEventFile + " either does not exist or is not readable",
                newEventFile + " either does not exist or is not readable",
                QMessageBox::Ok,QMessageBox::Ok);
}
 
//_________________________________________________________________________________
#ifdef BUILDVP1LIGHT
void VP1MainWindow::request_expertSettings(){
            VP1ExpertSettings es;
            es.exec();
}
 
void VP1MainWindow::chooseEvent(){
    //Open event selection dialog for VP1Light
    VP1SelectEvent selectEvent(m_scheduler->getTotEvtNr(), m_scheduler->getEvtNr());
    selectEvent.exec();
    int newEvtNr = selectEvent.result()-1;
 
    if( (newEvtNr >= 0) && (newEvtNr <= m_scheduler->getTotEvtNr()-1) ){
        m_scheduler->setEvtNr(newEvtNr);
        nextEvent();
    qApp->quit();
    }
}
#endif // BUILDVP1LIGHT