OSCAR-code/mainwindow.cpp

/*
 MainWindow Implementation
 Copyright (c)2011 Mark Watkins <jedimark@users.sourceforge.net>
 License: GPL
*/

#include <QGLFormat>
#include <QFileDialog>
#include <QMessageBox>
#include <QResource>
#include <QProgressBar>
#include <QWebHistory>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QTimer>
#include <QSettings>
#include <QPixmap>
#include <QDesktopWidget>
#include <QListView>
#include <QPrinter>
#include <QPrintDialog>
#include <QPainter>
#include <QProcess>
#include <QFontMetrics>
#include <cmath>

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "newprofile.h"
#include "exportcsv.h"
#include "SleepLib/schema.h"
#include "Graphs/glcommon.h"
#include "UpdaterWindow.h"

QProgressBar *qprogress;
QLabel *qstatus;
QLabel *qstatus2;
QStatusBar *qstatusbar;

extern Profile * profile;

void MainWindow::Log(QString s)
{

    if (!strlock.tryLock())
        return;

//  strlock.lock();
    QString tmp=QString("%1: %2").arg(logtime.elapsed(),5,10,QChar('0')).arg(s);

    logbuffer.append(tmp); //QStringList appears not to be threadsafe
    strlock.unlock();

    strlock.lock();
    // only do this in the main thread?
    for (int i=0;i<logbuffer.size();i++)
        ui->logText->appendPlainText(logbuffer[i]);
    logbuffer.clear();
    strlock.unlock();

    //loglock.unlock();

}


MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    Q_ASSERT(p_profile!=NULL);

    logtime.start();
    ui->setupUi(this);
    QString version=PREF["VersionString"].toString();
    if (QString(GIT_BRANCH)!="master") version+=QString(" ")+QString(GIT_BRANCH);
    this->setWindowTitle(tr("SleepyHead")+QString(" v%1 (Profile: %2)").arg(version).arg(PREF["Profile"].toString()));
    ui->tabWidget->setCurrentIndex(0);

    overview=NULL;
    daily=NULL;
    oximetry=NULL;
    prefdialog=NULL;

    qstatusbar=ui->statusbar;
    qprogress=new QProgressBar(this);
    qprogress->setMaximum(100);
    qstatus2=new QLabel("Welcome",this);
    qstatus2->setFrameStyle(QFrame::Raised);
    qstatus2->setFrameShadow(QFrame::Sunken);
    qstatus2->setFrameShape(QFrame::Box);
    //qstatus2->setMinimumWidth(100);
    qstatus2->setMaximumWidth(100);
    qstatus2->setAlignment(Qt::AlignRight |Qt::AlignVCenter);
    qstatus=new QLabel("",this);
    qprogress->hide();
    ui->statusbar->setMinimumWidth(200);
    ui->statusbar->addPermanentWidget(qstatus,0);
    ui->statusbar->addPermanentWidget(qprogress,1);
    ui->statusbar->addPermanentWidget(qstatus2,0);

    if (!PROFILE.Exists("ShowDebug")) PROFILE["ShowDebug"]=false;
    ui->actionDebug->setChecked(PROFILE["ShowDebug"].toBool());

    if (!PROFILE["ShowDebug"].toBool()) {
        ui->logText->hide();
    }

    // TODO: Move all this to profile creation.

    // This speeds up the second part of importing craploads.. later it will speed up the first part too.
    if (!PROFILE.Exists("EnableMultithreading")) PROFILE["EnableMultithreading"]=QThread::idealThreadCount()>1;

    if (!PROFILE.Exists("MemoryHog")) PROFILE["MemoryHog"]=false;
    if (!PROFILE.Exists("EnableGraphSnapshots")) PROFILE["EnableGraphSnapshots"]=true;
    if (!PROFILE.Exists("SquareWavePlots")) PROFILE["SquareWavePlots"]=false;
    if (!PROFILE.Exists("EnableOximetry")) PROFILE["EnableOximetry"]=false;
    if (!PROFILE.Exists("LinkGroups")) PROFILE["LinkGroups"]=false;
    if (!PROFILE.Exists("AlwaysShowOverlayBars")) PROFILE["AlwaysShowOverlayBars"]=0;
    if (!PROFILE.Exists("UseAntiAliasing")) PROFILE["UseAntiAliasing"]=false;
    if (!PROFILE.Exists("IntentionalLeak")) PROFILE["IntentionalLeak"]=(double)0.0;
    if (!PROFILE.Exists("IgnoreShorterSessions")) PROFILE["IgnoreShorterSessions"]=0;
    if (!PROFILE.Exists("CombineCloserSessions")) PROFILE["CombineCloserSessions"]=0;
    if (!PROFILE.Exists("DaySplitTime")) PROFILE["DaySplitTime"]=QTime(12,0,0,0);
    if (!PROFILE.Exists("EventWindowSize")) PROFILE["EventWindowSize"]=4;
    if (!PROFILE.Exists("SPO2DropPercentage")) PROFILE["PulseChangeDuration"]=4;
    if (!PROFILE.Exists("SPO2DropDuration")) PROFILE["PulseChangeDuration"]=5;
    if (!PROFILE.Exists("PulseChangeBPM")) PROFILE["PulseChangeDuration"]=5;
    if (!PROFILE.Exists("PulseChangeDuration")) PROFILE["PulseChangeDuration"]=8;
    if (!PROFILE.Exists("GraphHeight")) PROFILE["GraphHeight"]=180;
    if (!PROFILE.Exists("OxiDiscardThreshold")) PROFILE["OxiDiscardThreshold"]=10;

    //ui->actionUse_AntiAliasing->setChecked(PROFILE["UseAntiAliasing"].toBool());
    ui->action_Link_Graph_Groups->setChecked(PROFILE["LinkGroups"].toBool());

    first_load=true;

    // Using the dirty registry here. :(
    QSettings settings("Jedimark", "SleepyHead");
    this->restoreGeometry(settings.value("MainWindow/geometry").toByteArray());

    ui->tabWidget->setCurrentWidget(ui->welcome);

    netmanager = new QNetworkAccessManager(this);
    connect(netmanager, SIGNAL(finished(QNetworkReply*)), this, SLOT(replyFinished(QNetworkReply*)));

    connect(ui->webView, SIGNAL(statusBarMessage(QString)), this, SLOT(updatestatusBarMessage(QString)));

    if (QSystemTrayIcon::isSystemTrayAvailable() && QSystemTrayIcon::supportsMessages()) {
        systray=new QSystemTrayIcon(QIcon(":/docs/sheep.png"),this);
        systray->show();
        systraymenu=new QMenu(this);
        systray->setContextMenu(systraymenu);
        QAction *a=systraymenu->addAction("SleepyHead v"+PREF["VersionString"].toString());
        a->setEnabled(false);
        systraymenu->addSeparator();
        systraymenu->addAction("About",this,SLOT(on_action_About_triggered()));
        systraymenu->addAction("Check for Updates",this,SLOT(on_actionCheck_for_Updates_triggered()));
        systraymenu->addSeparator();
        systraymenu->addAction("Exit",this,SLOT(close()));
    } else {
        systray=NULL;
        systraymenu=NULL;
    }

}
extern MainWindow *mainwin;
MainWindow::~MainWindow()
{
    if (systray) delete systray;
    if (systraymenu) delete systraymenu;

    //if (!isMaximized()) {
        QSettings settings("Jedimark", "SleepyHead");
        settings.setValue("MainWindow/geometry", saveGeometry());
    //}
    if (daily) {
        daily->close();
        delete daily;
    }
    if (overview) {
        overview->close();
        delete overview;
    }
    if (oximetry) {
        oximetry->close();
        delete oximetry;
    }
    DoneGraphs();
    Profiles::Done();
    mainwin=NULL;
    delete ui;
}
void MainWindow::Notify(QString s,int ms,QString title)
{
    if (systray) {
        systray->showMessage(title,s,QSystemTrayIcon::Information,ms);
    } else {
        ui->statusbar->showMessage(s,ms);
    }
}

void MainWindow::Startup()
{
    qDebug() << PREF["AppName"].toString().toAscii()+" v"+VersionString().toAscii() << "built with Qt"<< QT_VERSION_STR << "on" << __DATE__ << __TIME__;
    qstatus->setText(tr("Loading Data"));
    qprogress->show();
    //qstatusbar->showMessage(tr("Loading Data"),0);

    // profile is a global variable set in main after login
    PROFILE.LoadMachineData();

    SnapshotGraph=new gGraphView(this); //daily->graphView());
    //SnapshotGraph->setMaximumSize(1024,512);
    //SnapshotGraph->setMinimumSize(1024,512);
    SnapshotGraph->hide();

    daily=new Daily(ui->tabWidget,NULL,this);
    ui->tabWidget->insertTab(1,daily,tr("Daily"));

    overview=new Overview(ui->tabWidget,daily->graphView());
    ui->tabWidget->insertTab(2,overview,tr("Overview"));
    if (PROFILE["EnableOximetry"].toBool()) {
        oximetry=new Oximetry(ui->tabWidget,daily->graphView());
        ui->tabWidget->insertTab(3,oximetry,tr("Oximetry"));
    }


    if (daily) daily->ReloadGraphs();
    if (overview) overview->ReloadGraphs();
    qprogress->hide();
    qstatus->setText("");
}

void MainWindow::on_action_Import_Data_triggered()
{
    QStringList importLocations;
    {
        QString filename=PROFILE.Get("{DataFolder}/ImportLocations.txt");
        QFile file(filename);
        file.open(QFile::ReadOnly);
        QTextStream textStream(&file);
        while (1) {
            QString line = textStream.readLine();
             if (line.isNull())
                 break;
             else if (line.isEmpty())
                 continue;
             else {
                 importLocations.append(line);
             }
        }
        file.close();
    }

    //bool addnew=false;
    QString newdir;

    bool asknew=false;
    if (importLocations.size()==0) {
        asknew=true;
    } else {
        int res=QMessageBox::question(this,"Import from where?","Do you just want to Import from the usual (remembered) locations?\n","The Usual","New Location","Cancel",0,2);
        if (res==1) {
            asknew=true;
        }
        if (res==2) return;
    }

    QStringList importFrom=importLocations;

    if (asknew) {
        QFileDialog w;
        w.setFileMode(QFileDialog::Directory);
        w.setOption(QFileDialog::ShowDirsOnly, true);

#if defined(Q_WS_MAC) && (QT_VERSION_CHECK(4,8,0) > QT_VERSION)
        // Fix for tetragon, 10.6 barfs up Qt's custom dialog
        w.setOption(QFileDialog::DontUseNativeDialog,true);
#else
        w.setOption(QFileDialog::DontUseNativeDialog,false);

        QListView *l = w.findChild<QListView*>("listView");
        if (l) {
            l->setSelectionMode(QAbstractItemView::MultiSelection);
        }
        QTreeView *t = w.findChild<QTreeView*>();
        if (t) {
            t->setSelectionMode(QAbstractItemView::MultiSelection);
        }
#endif
        if (w.exec()!=QDialog::Accepted) {
            return;
        }
        for (int i=0;i<w.selectedFiles().size();i++) {
            QString newdir=w.selectedFiles().at(i);
            if (!importFrom.contains(newdir)) {
                importFrom.append(newdir);
                //addnew=true;
            }
        }
    }

    int successful=false;

    QStringList goodlocations;
    for (int i=0;i<importFrom.size();i++) {
        QString dir=importFrom[i];
        if (!dir.isEmpty()) {
            qprogress->setValue(0);
            qprogress->show();
            qstatus->setText(tr("Importing Data"));
            int c=PROFILE.Import(dir);
            qDebug() << "Finished Importing data" << c;
            if (c) {
                if (!importLocations.contains(dir))
                    goodlocations.push_back(dir);
                successful=true;
            }
            qstatus->setText("");
            qprogress->hide();
        }
    }
    if (successful) {
        PROFILE.Save();
        if (daily) daily->ReloadGraphs();
        if (overview) overview->ReloadGraphs();
        if ((goodlocations.size()>0) && (QMessageBox::question(this,"Remember this Location?","Would you like to remember this import location for next time?\n"+newdir,QMessageBox::Yes,QMessageBox::No)==QMessageBox::Yes)) {
            for (int i=0;i<goodlocations.size();i++) {
                importLocations.push_back(goodlocations[i]);
            }
            QString filename=PROFILE.Get("{DataFolder}/ImportLocations.txt");
            QFile file(filename);
            file.open(QFile::WriteOnly);
            QTextStream ts(&file);
            for (int i=0;i<importLocations.size();i++) {
                ts << importLocations[i] << endl;
               //file.write(importLocations[i].toUtf8());
            }
            file.close();
        }
    } else {
        mainwin->Notify("Import Problem\n\nCouldn't find any new Machine Data at the locations given");
    }
}
QMenu * MainWindow::CreateMenu(QString title)
{
    QMenu *menu=new QMenu(title,ui->menubar);
    ui->menubar->insertMenu(ui->menu_Help->menuAction(),menu);
    return menu;
}

void MainWindow::on_actionView_Welcome_triggered()
{
    ui->tabWidget->setCurrentWidget(ui->welcome);
}

void MainWindow::on_action_Fullscreen_triggered()
{
    if (ui->action_Fullscreen->isChecked())
        this->showFullScreen();
    else
        this->showNormal();
}

void MainWindow::on_homeButton_clicked()
{
    QString file="qrc:/docs/index.html";
    QUrl url(file);
    ui->webView->setUrl(url);
}

void MainWindow::on_backButton_clicked()
{
    ui->webView->back();
}

void MainWindow::on_forwardButton_clicked()
{
    ui->webView->forward();
}

void MainWindow::on_webView_urlChanged(const QUrl &arg1)
{
    ui->urlBar->setEditText(arg1.toString());
}

void MainWindow::on_urlBar_activated(const QString &arg1)
{
    QUrl url(arg1);
    ui->webView->setUrl(url);
}

void MainWindow::on_dailyButton_clicked()
{
    ui->tabWidget->setCurrentWidget(daily);
    daily->RedrawGraphs();
    qstatus2->setText("Daily");
}
void MainWindow::JumpDaily()
{
    on_dailyButton_clicked();
}

void MainWindow::on_overviewButton_clicked()
{
    ui->tabWidget->setCurrentWidget(overview);
    qstatus2->setText("Overview");
}

void MainWindow::on_webView_loadFinished(bool arg1)
{
    arg1=arg1;
    qprogress->hide();
    if (first_load) {
        QTimer::singleShot(0,this,SLOT(Startup()));
        first_load=false;
    } else {
        qstatus->setText("");
    }
    ui->backButton->setEnabled(ui->webView->history()->canGoBack());
    ui->forwardButton->setEnabled(ui->webView->history()->canGoForward());
}

void MainWindow::on_webView_loadStarted()
{
    if (!first_load) {
        qstatus->setText(tr("Loading"));
        qprogress->reset();
        qprogress->show();
    }
}

void MainWindow::on_webView_loadProgress(int progress)
{
    qprogress->setValue(progress);
}

void MainWindow::on_action_About_triggered()
{

    QString gitrev=QString(GIT_REVISION);
    if (!gitrev.isEmpty()) gitrev="Revision: "+gitrev;

     QString msg=tr("<html><body><div align='center'><h2>SleepyHead v%1.%2.%3</h2>Build Date: %4 %5<br/>%6<hr>"
"Copyright &copy;2011 Mark Watkins (jedimark) <br> \n"
"<a href='http://sleepyhead.sourceforge.net'>http://sleepyhead.sourceforge.net</a> <hr>"
"This software is released under the GNU Public License <br>"
"<i>This software comes with absolutely no warranty, either express of implied. It comes with no guarantee of fitness for any particular purpose. No guarantees are made regarding the accuracy of any data this program displays."
                    "</div></body></html>").arg(major_version).arg(minor_version).arg(revision_number).arg(__DATE__).arg(__TIME__).arg(gitrev);
    QMessageBox msgbox(QMessageBox::Information,tr("About SleepyHead"),"",QMessageBox::Ok,this);
    msgbox.setTextFormat(Qt::RichText);
    msgbox.setText(msg);
    msgbox.exec();
}

void MainWindow::on_actionDebug_toggled(bool checked)
{
    PROFILE["ShowDebug"]=checked;
    if (checked) {
        ui->logText->show();
    } else {
        ui->logText->hide();
    }
}

void MainWindow::on_action_Reset_Graph_Layout_triggered()
{
    if (daily && (ui->tabWidget->currentWidget()==daily)) daily->ResetGraphLayout();
    if (overview && (ui->tabWidget->currentWidget()==overview)) overview->ResetGraphLayout();
}

void MainWindow::on_action_Preferences_triggered()
{
    PreferencesDialog pd(this,p_profile);
    prefdialog=&pd;
    if (pd.exec()==PreferencesDialog::Accepted) {
        qDebug() << "Preferences Accepted";
        pd.Save();
        if (daily) {
            //daily->ReloadGraphs();
            daily->RedrawGraphs();
        }
        if (overview) {
            overview->ReloadGraphs();
            overview->RedrawGraphs();
        }
    }
    prefdialog=NULL;
}
void MainWindow::selectOximetryTab()
{
    on_oximetryButton_clicked();
}

void MainWindow::on_oximetryButton_clicked()
{
    bool first=false;
    if (!oximetry) {
        if (!PROFILE.Exists("EnableOximetry") || !PROFILE["EnableOximetry"].toBool()) {
            if (QMessageBox::question(this,"Question","Do you have a CMS50[x] Oximeter?\nOne is required to use this section.",QMessageBox::Yes,QMessageBox::No)==QMessageBox::No) return;
            PROFILE["EnableOximetry"]=true;
        }
        oximetry=new Oximetry(ui->tabWidget,daily->graphView());
        ui->tabWidget->insertTab(3,oximetry,tr("Oximetry"));
        first=true;
    }
    ui->tabWidget->setCurrentWidget(oximetry);
    if (!first) oximetry->RedrawGraphs();
    qstatus2->setText("Oximetry");
}

void MainWindow::CheckForUpdates()
{
    //QTimer::singleShot(100,this,SLOT(on_actionCheck_for_Updates_triggered()));
    on_actionCheck_for_Updates_triggered();
}

void MainWindow::on_actionCheck_for_Updates_triggered()
{
    UpdaterWindow *w=new UpdaterWindow(this);
    w->checkForUpdates();

//    if (PREF.Exists("Updates_LastChecked")) {
//        if (PREF["Updates_LastChecked"].toDateTime().secsTo(QDateTime::currentDateTime())<7200) {
//            // Instead of doing this, just use the cached crud
//            if (prefdialog) prefdialog->RefreshLastChecked();
//            mainwin->Notify("No New Updates - You already checked recently...");
//            return;
//        }
//    }
//    mainwin->Notify("Checking for Updates");
//    netmanager->get(QNetworkRequest(QUrl("http://sleepyhead.sourceforge.net/current_version.txt")));
}
void MainWindow::replyFinished(QNetworkReply * reply)
{
    if (reply->error()==QNetworkReply::NoError) {
        // Wrap this crap in XML/JSON so can do other stuff.
        if (reply->size()>20) {
            mainwin->Notify("Update check failed.. Version file on the server is broken.");
        } else {
            // check in size
            QByteArray data=reply->readAll();
            QString a=data;
            a=a.trimmed();
            PREF["Updates_LastChecked"]=QDateTime::currentDateTime();
            if (prefdialog) prefdialog->RefreshLastChecked();
            if (a>PREF["VersionString"].toString()) {
                if (QMessageBox::question(this,"New Version","A newer version of SleepyHead is available, v"+a+".\nWould you like to update?",QMessageBox::Yes,QMessageBox::No)==QMessageBox::Yes) {
                    QString fileurl="http://sourceforge.net/projects/sleepyhead/files/";
                    QString msg="<html><p>Sorry, I haven't implemented the auto-update yet</p>";
                    msg+="<a href='"+fileurl+"'>Click Here</a> for a link to the latest version";
                    msg+="</html>";

                    QMessageBox::information(this,"Laziness Warning",msg,QMessageBox::Ok);
                }
            } else {
                mainwin->Notify("Checked for Updates: SleepyHead is already up to date!");
            }
       }
    } else {
        mainwin->Notify("Couldn't check for updates. The network is down.\n\n("+reply->errorString()+")");
    }
    reply->deleteLater();
}

void MainWindow::on_action_Screenshot_triggered()
{

    QTimer::singleShot(250,this,SLOT(DelayedScreenshot()));
}
void MainWindow::DelayedScreenshot()
{
//#ifdef Q_WS_MAC
//    CGImageRef windowImage = CGWindowListCreateImage(imageBounds, singleWindowListOptions, windowID, imageOptions);
//    originalPixmap = new QPixmap(QPixmap::fromMacCGImageRef(windowImage));


//    CGImageRef img = CGDisplayCreateImageForRect(displayID, *rect);
//    CFMutableDataRef imgData = CFDataCreateMutable(0, 0);
//    CGImageDestinationRef imgDst = CGImageDestinationCreateWithData(imgData, kUTTypeJPEG2000, 1, 0);
//    CGImageDestinationAddImage(imgDst, img, 0);
//    CGImageDestinationFinalize(imgDst);
//    CFRelease(imgDst);
//    QPixmap pixmap=QPixmap::fromMacCGImageRef(img);
//#else
    QPixmap pixmap = QPixmap::grabWindow(this->winId());
//#endif
    QString a=PREF.Get("{home}")+"/Screenshots";
    QDir dir(a);
    if (!dir.exists()){
        dir.mkdir(a);
    }
    a+="/screenshot-"+QDateTime::currentDateTime().toString(Qt::ISODate)+".png";
    pixmap.save(a);
}

void MainWindow::on_actionView_O_ximetry_triggered()
{
    on_oximetryButton_clicked();
}
void MainWindow::updatestatusBarMessage (const QString & text)
{
    ui->statusbar->showMessage(text,1000);
}

void MainWindow::on_actionPrint_Report_triggered()
{
    if (ui->tabWidget->currentWidget()==overview) {
        PrintReport(overview->graphView(),"Overview");
    } else if (ui->tabWidget->currentWidget()==daily) {
        PrintReport(daily->graphView(),"Daily",daily->getDate());
    } else if (ui->tabWidget->currentWidget()==oximetry) {
        if (oximetry)
            PrintReport(oximetry->graphView(),"Oximetry");
    } else {
        //QPrinter printer();
        //ui->webView->print(printer)
        QMessageBox::information(this,"Not supported Yet","Sorry, printing from this page is not supported yet",QMessageBox::Ok);
    }
}

void MainWindow::on_action_Edit_Profile_triggered()
{
    NewProfile newprof(this);
    newprof.edit(PREF["Profile"].toString());
    newprof.exec();

}

void MainWindow::on_action_Link_Graph_Groups_toggled(bool arg1)
{
    PROFILE["LinkGroups"]=arg1;
    if (daily) daily->RedrawGraphs();
}

void MainWindow::on_action_CycleTabs_triggered()
{
    int i;
    qDebug() << "Switching Tabs";
    i=ui->tabWidget->currentIndex()+1;
    if (i >= ui->tabWidget->count())
        i=0;
    ui->tabWidget->setCurrentIndex(i);
}

void MainWindow::on_actionExp_ort_triggered()
{
    ExportCSV ex(this);
    if (ex.exec()==ExportCSV::Accepted) {
    }
}

void MainWindow::on_actionOnline_Users_Guide_triggered()
{
    ui->webView->load(QUrl("http://sourceforge.net/apps/mediawiki/sleepyhead/index.php?title=SleepyHead_Users_Guide"));
    ui->tabWidget->setCurrentIndex(0);
}

void MainWindow::on_action_Frequently_Asked_Questions_triggered()
{
    ui->webView->load(QUrl("http://sourceforge.net/apps/mediawiki/sleepyhead/index.php?title=Frequently_Asked_Questions"));
    ui->tabWidget->setCurrentIndex(0);
}

EventList *packEventList(EventList *ev)
{
    EventList *nev=new EventList(EVL_Event);

    EventDataType val,lastval=0;
    qint64 time,lasttime=0,lasttime2=0;

    lastval=ev->data(0);
    lasttime=ev->time(0);
    nev->AddEvent(lasttime,lastval);

    for (unsigned i=1;i<ev->count();i++) {
        val=ev->data(i);
        time=ev->time(i);
        if (val!=lastval) {
            nev->AddEvent(time,val);
            lasttime2=time;
        }
        lastval=val;
        lasttime=time;
    }
    if (val==lastval) {
        nev->AddEvent(lasttime,val);
    }
    return nev;
}

void MainWindow::PrintReport(gGraphView *gv,QString name, QDate date)
{
    if (!gv) return;
    Session * journal=NULL;
    //QDate d=QDate::currentDate();

    int visgraphs=gv->visibleGraphs();
    if (visgraphs==0) {
        Notify("There are no graphs visible to print");
        return;
    }

    QString username=PROFILE.Get("_{Username}_");

    bool print_bookmarks=false;
    if (name=="Daily") {
        QVariantList book_start;
        journal=getDaily()->GetJournalSession(getDaily()->getDate());
        if (journal && journal->settings.contains("BookmarkStart")) {
            book_start=journal->settings["BookmarkStart"].toList();
            if (book_start.size()>0) {
                if (QMessageBox::question(this,"Bookmarks","Would you like to show bookmarked areas in this report?",QMessageBox::Yes,QMessageBox::No)==QMessageBox::Yes) {
                    print_bookmarks=true;
                }
            }
        }
    }

    QPrinter * printer;

    bool highres;
    bool aa_setting=PROFILE.ExistsAndTrue("UseAntiAliasing");

#ifdef Q_WS_MAC
    PROFILE["HighResPrinting"]=true; // forced on
    bool force_antialiasing=true;
#else
    bool force_antialiasing=PROFILE.ExistsAndTrue("UseAntiAliasing");
#endif

    if (PROFILE.ExistsAndTrue("HighResPrinting")) {
        printer=new QPrinter(QPrinter::HighResolution);
        highres=true;
    } else {
        printer=new QPrinter(QPrinter::ScreenResolution);
        highres=false;
    }

#ifdef Q_WS_X11
    printer->setPrinterName("Print to File (PDF)");
    printer->setOutputFormat(QPrinter::PdfFormat);
    QString filename=PREF.Get("{home}/"+name+username+date.toString(Qt::ISODate)+".pdf");//QFileDialog::getSaveFileName(this,"Select filename to save PDF report to",,"PDF Files (*.pdf)");

    printer->setOutputFileName(filename);
#endif
    printer->setPrintRange(QPrinter::AllPages);
    printer->setOrientation(QPrinter::Portrait);
    printer->setFullPage(false); // This has nothing to do with scaling
    printer->setNumCopies(1);
    printer->setPageMargins(10,10,10,10,QPrinter::Millimeter);
    QPrintDialog dialog(printer);
#ifdef Q_WS_MAC
    // QTBUG-17913
    QApplication::processEvents();
#endif
    if (dialog.exec() != QDialog::Accepted) {
        delete printer;
        return;
    }

    Notify("Printing "+name+" Report.\nThis make take some time to complete..\nPlease don't touch anything until it's done.",20000);
    QPainter painter;
    painter.begin(printer);

    QSizeF pres=printer->paperSize(QPrinter::Point);
    QSizeF pxres=printer->paperSize(QPrinter::DevicePixel);
    float hscale=pxres.width()/pres.width();
    float vscale=pxres.height()/pres.height();

    QFontMetrics fm(*bigfont);
    float title_height=fm.ascent()*vscale;
    QFontMetrics fm2(*defaultfont);
    float normal_height=fm2.ascent()*vscale;

    //QRect screen=QApplication::desktop()->screenGeometry();
    QRect res=printer->pageRect();

    qDebug() << "Printer Resolution is" << res.width() << "x" << res.height();
    qDebug() << "X DPI (log vs phys):" << printer->logicalDpiX() << printer->physicalDpiX();
    qDebug() << "Y DPI (log vs phys): " << printer->logicalDpiY() << printer->physicalDpiY();
    qDebug() << vscale << hscale;
    qDebug() << "res:" << printer->resolution() << "dpi" << float(res.width()) / float(res.height());
    qDebug() << normal_height << "normal_height, font ascent" << fm2.ascent();
    float printer_width=res.width();
    float printer_height=res.height()-normal_height;

    const int graphs_per_page=6;
    float full_graph_height=(printer_height-(normal_height*graphs_per_page)) / float(graphs_per_page);

    GLint gw;
#ifdef Q_WS_WIN32
    gw=2048;  // Rough guess.. No GL_MAX_RENDERBUFFER_SIZE in mingw.. :(
#else
    glGetIntegerv(GL_MAX_RENDERBUFFER_SIZE,&gw);
#endif

    bool no_scaling;
    if (printer_width <= gw) {
        gw=printer_width;
        no_scaling=true;
    } else no_scaling=false;

    float graph_xscale=gw / printer_width;
    //float scalex=1.0/graph_xscale;
    float gh=full_graph_height*graph_xscale;

    QString title=name+" Report";
    painter.setFont(*bigfont);
    int top=0;
    QRectF bounds=painter.boundingRect(QRectF(0,top,printer_width,0),title,QTextOption(Qt::AlignHCenter | Qt::AlignTop));
    painter.drawText(bounds,title,QTextOption(Qt::AlignHCenter | Qt::AlignTop));
    top+=bounds.height()+normal_height/2.0;
    painter.setFont(*defaultfont);
    float printer_dpi=qMax(printer->physicalDpiX(), printer->logicalDpiX());
    float screen_dpi=QApplication::desktop()->physicalDpiX();
    qDebug() << "Printer DPI vs Screen DPI" << printer_dpi << screen_dpi;
    float font_scale=float(printer_dpi)/float(screen_dpi);

    int maxy=0;
    if (!PROFILE["FirstName"].toString().isEmpty()) {
        QString userinfo="Name:\t"+PROFILE["LastName"].toString()+", "+PROFILE["FirstName"].toString()+"\n";
        userinfo+="DOB:\t"+PROFILE["DOB"].toString()+"\n";
        userinfo+="Phone:\t"+PROFILE["Phone"].toString()+"\n";
        userinfo+="Email:\t"+PROFILE["EmailAddress"].toString()+"\n";
        if (!PROFILE["Address"].toString().isEmpty()) userinfo+="\nAddress:\n"+PROFILE["Address"].toString()+"\n";
        QRectF bounds=painter.boundingRect(QRectF(0,top,res.width(),0),userinfo,QTextOption(Qt::AlignLeft | Qt::AlignTop));
        painter.drawText(bounds,userinfo,QTextOption(Qt::AlignLeft | Qt::AlignTop));
        if (bounds.height()>maxy) maxy=bounds.height();
    }

    int graph_slots=0;
    if (name=="Daily") {
        Day *cpap=PROFILE.GetDay(date,MT_CPAP);
        QString cpapinfo=date.toString(Qt::SystemLocaleLongDate)+"\n\n";
        if (cpap) {
            time_t f=cpap->first()/1000L;
            time_t l=cpap->last()/1000L;
            int tt=qint64(cpap->total_time())/1000L;
            int h=tt/3600;
            int m=(tt/60)%60;
            int s=tt % 60;

            cpapinfo+="Mask Time: "+QString().sprintf("%2i hours, %2i minutes, %2i seconds",h,m,s)+"\n";
            cpapinfo+="Bedtime: "+QDateTime::fromTime_t(f).time().toString("HH:mm:ss")+" ";
            cpapinfo+="Wake-up: "+QDateTime::fromTime_t(l).time().toString("HH:mm:ss")+"\n\n";
            QString submodel;
            cpapinfo+="Machine: ";
            if (cpap->machine->properties.find("SubModel")!=cpap->machine->properties.end())
                submodel="\n"+cpap->machine->properties["SubModel"];
            cpapinfo+=cpap->machine->properties["Brand"]+" "+cpap->machine->properties["Model"]+submodel;
            CPAPMode mode=(CPAPMode)(int)cpap->settings_max(CPAP_Mode);
            cpapinfo+="\nMode: ";

            EventDataType min=cpap->settings_min(CPAP_PressureMin);
            EventDataType max=cpap->settings_max(CPAP_PressureMax);

            if (mode==MODE_CPAP) cpapinfo+="CPAP "+QString::number(min)+"cmH2O";
            else if (mode==MODE_APAP) cpapinfo+="APAP "+QString::number(min)+"-"+QString::number(max)+"cmH2O";
            else if (mode==MODE_BIPAP) cpapinfo+="Bi-Level"+QString::number(min)+"-"+QString::number(max)+"cmH2O";
            else if (mode==MODE_ASV) cpapinfo+="ASV";

            float ahi=(cpap->count(CPAP_Obstructive)+cpap->count(CPAP_Hypopnea)+cpap->count(CPAP_ClearAirway)+cpap->count(CPAP_Apnea))/cpap->hours();
            float csr=(100.0/cpap->hours())*(cpap->sum(CPAP_CSR)/3600.0);
            float uai=cpap->count(CPAP_Apnea)/cpap->hours();
            float oai=cpap->count(CPAP_Obstructive)/cpap->hours();
            float hi=(cpap->count(CPAP_ExP)+cpap->count(CPAP_Hypopnea))/cpap->hours();
            float cai=cpap->count(CPAP_ClearAirway)/cpap->hours();
            float rei=cpap->count(CPAP_RERA)/cpap->hours();
            float vsi=cpap->count(CPAP_VSnore)/cpap->hours();
            float fli=cpap->count(CPAP_FlowLimit)/cpap->hours();
            float nri=cpap->count(CPAP_NRI)/cpap->hours();
            float lki=cpap->count(CPAP_LeakFlag)/cpap->hours();
            float exp=cpap->count(CPAP_ExP)/cpap->hours();

            int piesize=1.5*72.0*vscale;
            float fscale=font_scale;
            if (!highres)
                fscale=1;

            QString stats;
            painter.setFont(*mediumfont);
            stats="AHI\t"+QString::number(ahi,'f',2)+"\n";
            QRectF bounds=painter.boundingRect(QRectF(0,0,res.width(),0),stats,QTextOption(Qt::AlignRight));
            painter.drawText(bounds,stats,QTextOption(Qt::AlignRight));

            getDaily()->eventBreakdownPie()->showTitle(false);
            getDaily()->eventBreakdownPie()->setMargins(0,0,0,0);
            QPixmap ebp=getDaily()->eventBreakdownPie()->renderPixmap(piesize,piesize,fscale);
            painter.drawPixmap(res.width()-piesize,bounds.height(),piesize,piesize,ebp);
            getDaily()->eventBreakdownPie()->showTitle(true);


            cpapinfo+="\n\n";

            painter.setFont(*defaultfont);
            bounds=painter.boundingRect(QRectF((res.width()/2)-(res.width()/6),top,res.width()/2,0),cpapinfo,QTextOption(Qt::AlignLeft));
            painter.drawText(bounds,cpapinfo,QTextOption(Qt::AlignLeft));

            int ttop=bounds.height();

            stats="AI="+QString::number(oai,'f',2)+" ";
            stats+="HI="+QString::number(hi,'f',2)+" ";
            stats+="CAI="+QString::number(cai,'f',2)+" ";
            if (cpap->machine->GetClass()=="PRS1") {
                stats+="REI="+QString::number(rei,'f',2)+" ";
                stats+="VSI="+QString::number(vsi,'f',2)+" ";
                stats+="FLI="+QString::number(fli,'f',2)+" ";
                stats+="PB/CSR="+QString::number(csr,'f',2)+"%";
            } else if (cpap->machine->GetClass()=="ResMed") {
                stats+="UAI="+QString::number(uai,'f',2)+" ";
            } else if (cpap->machine->GetClass()=="Intellipap") {
                stats+="NRI="+QString::number(nri,'f',2)+" ";
                stats+="LKI="+QString::number(lki,'f',2)+" ";
                stats+="EPI="+QString::number(exp,'f',2)+" ";
            }
            bounds=painter.boundingRect(QRectF(0,top+ttop,res.width(),0),stats,QTextOption(Qt::AlignCenter));
            painter.drawText(bounds,stats,QTextOption(Qt::AlignCenter));
            ttop+=bounds.height();

            if (ttop>maxy) maxy=ttop;
        } else {
            bounds=painter.boundingRect(QRectF(0,top+maxy,res.width(),0),cpapinfo,QTextOption(Qt::AlignCenter));
            painter.drawText(bounds,cpapinfo,QTextOption(Qt::AlignCenter));
            if (maxy+bounds.height()>maxy) maxy=maxy+bounds.height();
        }

        graph_slots=2;
    } else if (name=="Overview") {
        QDateTime first=QDateTime::fromTime_t((*gv)[0]->min_x/1000L);
        QDateTime last=QDateTime::fromTime_t((*gv)[0]->max_x/1000L);
        QString ovinfo="Reporting from "+first.date().toString(Qt::SystemLocaleShortDate)+" to "+last.date().toString(Qt::SystemLocaleShortDate);
        QRectF bounds=painter.boundingRect(QRectF(0,top,res.width(),0),ovinfo,QTextOption(Qt::AlignCenter));
        painter.drawText(bounds,ovinfo,QTextOption(Qt::AlignCenter));

        if (bounds.height()>maxy) maxy=bounds.height();
        graph_slots=1;
    } else if (name=="Oximetry") {
        QString ovinfo="Reporting data goes here";
        QRectF bounds=painter.boundingRect(QRectF(0,top,res.width(),0),ovinfo,QTextOption(Qt::AlignCenter));
        painter.drawText(bounds,ovinfo,QTextOption(Qt::AlignCenter));

        if (bounds.height()>maxy) maxy=bounds.height();
        graph_slots=1;
    }
    top+=maxy;

    bool first=true;
    QStringList labels;
    QVector<gGraph *> graphs;
    QVector<qint64> start,end;
    qint64 st,et;
    gv->GetXBounds(st,et);
    for (int i=0;i<gv->size();i++) {
        bool normal=true;
        gGraph *g=(*gv)[i];
        if (g->isEmpty()) continue;
        if (!g->visible()) continue;
        if (print_bookmarks && (g->title()=="Flow Rate")) {
            normal=false;
            start.push_back(st);
            end.push_back(et);
            graphs.push_back(g);
            labels.push_back("Current Selection");
            if (journal) {
                if (journal->settings.contains("BookmarkStart")) {
                    QVariantList st1=journal->settings["BookmarkStart"].toList();
                    QVariantList et1=journal->settings["BookmarkEnd"].toList();
                    QStringList notes=journal->settings["BookmarkNotes"].toStringList();
                    for (int i=0;i<notes.size();i++) {
                        labels.push_back(notes.at(i));
                        start.push_back(st1.at(i).toLongLong());
                        end.push_back(et1.at(i).toLongLong());
                        graphs.push_back(g);
                    }
                }
            }
        }
        if (normal) {
            start.push_back(st);
            end.push_back(et);
            graphs.push_back(g);
            labels.push_back("");
        }
    }
    int pages=ceil(float(graphs.size()+graph_slots)/float(graphs_per_page));

    if (qprogress) {
        qprogress->setValue(0);
        qprogress->setMaximum(graphs.size());
        qprogress->show();
    }

    int page=1;
    int gcnt=0;
    for (int i=0;i<graphs.size();i++) {

        if ((top+full_graph_height+normal_height) > printer_height) {
            top=0;
            gcnt=0;
            first=true;
            if (page > pages)
                break;
            if (!printer->newPage()) {
                qWarning("failed in flushing page to disk, disk full?");
                break;
            }


        }
        if (first) {
            QString footer="SleepyHead v"+PREF["VersionString"].toString()+" - http://sleepyhead.sourceforge.net";

            QRectF bounds=painter.boundingRect(QRectF(0,res.height(),res.width(),normal_height),footer,QTextOption(Qt::AlignHCenter));
            painter.drawText(bounds,footer,QTextOption(Qt::AlignHCenter));

            QString pagestr="Page "+QString::number(page)+" of "+QString::number(pages);
            QRectF pagebnds=painter.boundingRect(QRectF(0,res.height(),res.width(),normal_height),pagestr,QTextOption(Qt::AlignRight));
            painter.drawText(pagebnds,pagestr,QTextOption(Qt::AlignRight));
            first=false;
            page++;
        }

        gGraph *g=graphs[i];
        g->SetXBounds(start[i],end[i]);
        g->deselect();

        QString label=labels[i];
        if (!label.isEmpty()) {
            //label+=":";
            top+=normal_height/3;
            QRectF pagebnds=QRectF(0,top,res.width(),normal_height);
            painter.drawText(pagebnds,label,QTextOption(Qt::AlignHCenter | Qt::AlignTop));
            top+=normal_height;
        } else top+=normal_height/2;

        PROFILE["UseAntiAliasing"]=force_antialiasing;
        int tmb=g->m_marginbottom;
        g->m_marginbottom=0;
        float fscale=1;
        if (!no_scaling) fscale=font_scale*graph_xscale;

        //g->showTitle(false);
        QPixmap pm=g->renderPixmap(gw,gh,fscale);
        //g->showTitle(true);

        g->m_marginbottom=tmb;
        PROFILE["UseAntiAliasing"]=aa_setting;

        painter.drawPixmap(0,top,printer_width,full_graph_height,pm);
        top+=full_graph_height;

        gcnt++;
        if (qprogress) {
            qprogress->setValue(i);
            QApplication::processEvents();
        }
    }

    qprogress->hide();
    painter.end();
    delete printer;
    Notify("SleepyHead has finished sending the job to the printer.");
}

void MainWindow::on_action_Rebuild_Oximetry_Index_triggered()
{
    QVector<QString> valid;
    valid.push_back(OXI_Pulse);
    valid.push_back(OXI_SPO2);
    valid.push_back(OXI_Plethy);
    //valid.push_back(OXI_PulseChange); // Delete these and recalculate..
    //valid.push_back(OXI_SPO2Drop);

    QVector<QString> invalid;

    QList<Machine *> machines=PROFILE.GetMachines(MT_OXIMETER);

    bool ok;
    int discard_threshold=PROFILE["OxiDiscardThreshold"].toInt(&ok);
    if (!ok) discard_threshold=10;
    Machine *m;
    for (int z=0;z<machines.size();z++) {
        m=machines.at(z);
        //m->sessionlist.erase(m->sessionlist.find(0));
        for (QHash<SessionID,Session *>::iterator s=m->sessionlist.begin();s!=m->sessionlist.end();s++) {
            Session *sess=s.value();
            if (!sess) continue;
            sess->OpenEvents();
            invalid.clear();
            for (QHash<ChannelID,QVector<EventList *> >::iterator e=sess->eventlist.begin();e!=sess->eventlist.end();e++) {
                if (!valid.contains(e.key())) {
                    for (int i=0;i<e.value().size();i++)  {
                        delete e.value()[i];
                    }
                    e.value().clear();
                    invalid.push_back(e.key());
                } else {
                    QVector<EventList *> newlist;
                    for (int i=0;i<e.value().size();i++)  {
                        if (e.value()[i]->count() > (unsigned)discard_threshold) {
                            newlist.push_back(e.value()[i]);
                        } else {
                            delete e.value()[i];
                        }
                    }
                    for (int i=0;i<newlist.size();i++) {
                        EventList *nev=packEventList(newlist[i]);
                        if (nev->count()!=e.value()[i]->count() ) {
                            delete newlist[i];
                            newlist[i]=nev;
                        } else {
                            delete nev;
                        }
                    }
                   e.value()=newlist;
                }
            }
            for (int i=0;i<invalid.size();i++) {
                sess->eventlist.erase(sess->eventlist.find(invalid[i]));
            }
            sess->m_cnt.clear();
            sess->m_sum.clear();
            sess->m_min.clear();
            sess->m_max.clear();
            sess->m_cph.clear();
            sess->m_sph.clear();
            sess->m_avg.clear();
            sess->m_wavg.clear();
            sess->m_90p.clear();
            sess->m_firstchan.clear();
            sess->m_lastchan.clear();
            sess->SetChanged(true);
        }

    }
    for (int i=0;i<machines.size();i++) {
        Machine *m=machines[i];
        m->Save();
    }
    getDaily()->ReloadGraphs();
    getOverview()->ReloadGraphs();
}

void MainWindow::RestartApplication(bool force_login)
{
    QString apppath;
#ifdef Q_OS_MAC
        // In Mac OS the full path of aplication binary is:
        //    <base-path>/myApp.app/Contents/MacOS/myApp

        // prune the extra bits to just get the app bundle path
        apppath=QApplication::instance()->applicationDirPath().section("/",0,-3);

        QStringList args;
        args << "-n"; // -n option is important, as it opens a new process
        args << apppath;

        args << "--args"; // SleepyHead binary options after this
        args << "-p"; // -p starts with 1 second delay, to give this process time to save..


        if (force_login) args << "-l";

        if (QProcess::startDetached("/usr/bin/open",args)) {
            QApplication::instance()->exit();
        } else QMessageBox::warning(this,"Gah!","If you can read this, the restart command didn't work. Your going to have to do it yourself manually.",QMessageBox::Ok);

#else
        apppath=QApplication::instance()->applicationFilePath();

        // If this doesn't work on windoze, try uncommenting this method
        // Technically should be the same thing..

        //if (QDesktopServices::openUrl(apppath)) {
        //    QApplication::instance()->exit();
        //} else
        QStringList args;
        args << "-p";
        if (force_login) args << "-l";
        if (QProcess::startDetached(apppath,args)) {
            QApplication::instance()->exit();
        } else QMessageBox::warning(this,"Gah!","If you can read this, the restart command didn't work. Your going to have to do it yourself manually.",QMessageBox::Ok);
#endif
}

void MainWindow::on_actionChange_User_triggered()
{
    PROFILE.Save();
    PREF.Save();
    RestartApplication(true);
}

void MainWindow::on_actionPurge_Current_Day_triggered()
{
    QDate date=getDaily()->getDate();
    Day *day=PROFILE.GetDay(date,MT_CPAP);
    Machine *m;
    if (day) {
        m=day->machine;
        QString path=PROFILE.Get("DataFolder")+QDir::separator()+m->hexid()+QDir::separator();

        QVector<Session *>::iterator s;

        for (s=day->begin();s!=day->end();s++) {
            SessionID id=(*s)->session();
            QString filename0=path+QString().sprintf("%08lx.000",id);
            QString filename1=path+QString().sprintf("%08lx.001",id);
            qDebug() << "Removing" << filename0;
            qDebug() << "Removing" << filename1;
            QFile::remove(filename0);
            QFile::remove(filename1);
            m->sessionlist.erase(m->sessionlist.find(id)); // remove from machines session list
        }
        QList<Day *> & dl=PROFILE.daylist[date];
        QList<Day *>::iterator it;//=dl.begin();
        for (it=dl.begin();it!=dl.end();it++) {
            if ((*it)==day) break;
        }
        if (it!=dl.end()) {
            PROFILE.daylist[date].erase(it);
            delete day;
        }
    }
    getDaily()->ReloadGraphs();
}

void MainWindow::on_actionAll_Data_for_current_CPAP_machine_triggered()
{
    QDate date=getDaily()->getDate();
    Day *day=PROFILE.GetDay(date,MT_CPAP);
    Machine *m;
    if (day) {
        m=day->machine;
        if (!m) {
            qDebug() << "Gah!! no machine to purge";
            return;
        }
        if (QMessageBox::question(this,"Are you sure?","Are you sure you want to purge all CPAP data for the following machine:\n"+m->properties["Brand"]+" "+m->properties["Model"]+" "+m->properties["ModelNumber"]+" ("+m->properties["Serial"]+")",QMessageBox::Yes,QMessageBox::No)==QMessageBox::Yes) {
            m->Purge(3478216);
            RestartApplication();
        }
    }
}