datebookday.cpp

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/*
                             This file is part of the Opie Project

                             Copyright (C) Opie Team <opie-devel@handhelds.org>
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*/

#include "datebookday.h"
#include "datebooktypes.h"
#include "datebookdayheaderimpl.h"
#include "datebookdayallday.h"

#include <opie2/oholidayplugin.h>
#include <opie2/oresource.h>

#include <qpe/applnk.h>
#include <qpe/ir.h>
#include <qpe/qpeapplication.h>

#include <qsimplerichtext.h>
#include <qpopupmenu.h>


#include <qtimer.h>

DateBookDayView::DateBookDayView( bool whichClock, QWidget *parent, const char *name )
    : QTable( 24, 1, parent, name ), ampm( whichClock ), currDate( QDate::currentDate() )
{
    enableClipper(TRUE);
    setTopMargin( 0 );
    horizontalHeader()->hide();
    setLeftMargin(38);
    setColumnStretchable( 0, TRUE );
    setHScrollBarMode( QScrollView::AlwaysOff );
    verticalHeader()->setPalette(white);
    verticalHeader()->setResizeEnabled(FALSE);
    setSelectionMode( Single );

    // get rid of being able to edit things...
    QTableItem *tmp;
    int row;
    for ( row = 0; row < numRows(); row++ ) {
        tmp = new QTableItem( this, QTableItem::Never, QString::null);
        setItem( row, 0, tmp );
        //setRowHeight( row, 40);
    }

    initHeader();
    QObject::connect( qApp, SIGNAL(clockChanged(bool)), this, SLOT(slotChangeClock(bool)) );
}

void DateBookDayView::initHeader()
{
    QString strTmp;
    int preferredWidth = 0;
    for ( int i = 0; i < 24; ++i ) {
        if ( ampm ) {
            if ( i == 0 )
            strTmp = QString::number(12) + ":00";
            else if ( i == 12 )
            strTmp = QString::number(12) + tr(":00p");
            else if ( i > 12 )
            strTmp = QString::number( i - 12 ) + tr(":00p");
            else
            strTmp = QString::number(i) + ":00";
        } else {
            if ( i < 10 )
            strTmp = "0" + QString::number(i) + ":00";
            else
            strTmp = QString::number(i) + ":00";
        }
        strTmp = strTmp.rightJustify( 6, ' ' );
        verticalHeader()->setLabel( i, strTmp );

        // Compute correct width for current Font (Add some space right)
        int actWidth = QFontMetrics( QFont::defaultFont() ).width( strTmp + QString("  ") );
        if ( preferredWidth < actWidth )
            preferredWidth = actWidth;
        setRowStretchable( i, FALSE );
    }

    // It seems as if the header has a bug. It does not resize
    // correct horizontally if it is used vertical..
    // Thus, we do it manually..
    setLeftMargin( preferredWidth );
}

void DateBookDayView::slotDateChanged( int y, int m, int d )
{
    currDate.setYMD(y,m,d);
}

void DateBookDayView::slotChangeClock( bool newClock )
{
    ampm = newClock;
    initHeader();
}

bool DateBookDayView::whichClock() const
{
    return ampm;
}

void DateBookDayView::moveUp()
{
    scrollBy(0, -20);
}

void DateBookDayView::moveDown()
{
    scrollBy(0, 20);
}

void DateBookDayView::paintCell( QPainter *p, int, int, const QRect &cr, bool )
{
    int w = cr.width();
    int h = cr.height();
    p->fillRect( 0, 0, w, h, colorGroup().brush( QColorGroup::Base ) );
    if ( showGrid() ) {
        // Draw our lines
        int x2 = w - 1;
        int y2 = h - 1;
        QPen pen( p->pen() );
        p->setPen( colorGroup().dark() );
        p->drawLine( x2, 0, x2, y2 );
        p->drawLine( 0, y2, x2, y2 );

        p->setPen( colorGroup().midlight() );
        p->drawLine( 0, y2 - h/2, x2, y2 - h/2);

        p->setPen( pen );
    }
}

void DateBookDayView::paintFocus( QPainter *, const QRect & )
{
}

void DateBookDayView::resizeEvent( QResizeEvent *e )
{
    QTable::resizeEvent( e );
    columnWidthChanged( 0 );
    emit sigColWidthChanged();
}

void DateBookDayView::keyPressEvent( QKeyEvent *e )
{
    QString txt = e->text();
    if ( !txt.isNull() && txt[0] > ' ' && e->key() < 0x1000 ) {
        // we this is some sort of thing we know about...
        e->accept();
        emit sigCapturedKey( txt );
    } else {
        // I don't know what this key is, do you?
        e->ignore();
    }
}

void DateBookDayView::setRowStyle( int style )
{
    if (style<0) style = 0;

    for (int i=0; i<numRows(); i++)
        setRowHeight(i, style*10+20);
}

void DateBookDayView::contentsMouseReleaseEvent( QMouseEvent* /* e */ )
{
    int sh=99,eh=-1;

    for(int i=0;i<this->numSelections();i++) {
        QTableSelection sel = this->selection( i );
        sh = QMIN(sh,sel.topRow());
        eh = QMAX(sh,sel.bottomRow()+1);
    }
    if (sh > 23 || eh < 1) {
        sh=8;
        eh=9;
    }

    quickLineEdit=new DateBookDayViewQuickLineEdit(QDateTime(currDate,QTime(sh,0,0,0)),QDateTime(currDate,QTime(eh,0,0,0)),this->viewport(),"quickedit");
    quickLineEdit->setGeometry(0,0,this->columnWidth(0)-1,this->rowHeight(0));
    this->moveChild(quickLineEdit,0,sh*this->rowHeight(0));
    quickLineEdit->setFocus();
    quickLineEdit->show();
}

//===========================================================================

DateBookDayViewQuickLineEdit::DateBookDayViewQuickLineEdit(const QDateTime &start, const QDateTime &end,QWidget * parent, const char *name) : QLineEdit(parent,name)
{
    active=1;
    quickEvent.setStart(start);
    quickEvent.setEnd(end);
    connect(this,SIGNAL(returnPressed()),this,SLOT(slotReturnPressed()));
}

void DateBookDayViewQuickLineEdit::slotReturnPressed()
{
    if(active && (!this->text().isEmpty())) {   // Fix to avoid having this event beeing added multiple times.
        quickEvent.setDescription(this->text());
        connect(this,SIGNAL(insertEvent(const Event&)),this->topLevelWidget(),SLOT(insertEvent(const Event&)));
        emit(insertEvent(quickEvent));
        active=0;
    }
        /* we need to return to this object.. */
    QTimer::singleShot(500, this, SLOT(finallyCallClose())  );  // Close and also delete this widget
}
void DateBookDayViewQuickLineEdit::finallyCallClose() {
    close(true); // also deletes this widget...
}

void DateBookDayViewQuickLineEdit::focusOutEvent ( QFocusEvent* /* e */)
{
    slotReturnPressed(); // Reuse code to add event and close this widget.
}

//===========================================================================

DateBookDay::DateBookDay( bool ampm, bool startOnMonday, DateBookDBHoliday *newDb, DateBookHoliday*newHdb, QWidget *parent, const char *name )
    : QVBox( parent, name ), currDate( QDate::currentDate() ), db( newDb ), startTime( 0 )
{
    widgetList.setAutoDelete( true );
    _holiday_db = newHdb;
    header = new DateBookDayHeader( startOnMonday, this, "day header" );
    header->setDate( currDate.year(), currDate.month(), currDate.day() );

    m_allDays = new DatebookdayAllday(newDb, this, "all day event list" );
    m_allDays->hide();

    view = new DateBookDayView( ampm, this, "day view" );

    connect( header, SIGNAL( dateChanged(int,int,int) ), this, SLOT( dateChanged(int,int,int) ) );
    connect( header, SIGNAL( dateChanged(int,int,int) ), view, SLOT( slotDateChanged(int,int,int) ) );
    connect( view, SIGNAL( sigColWidthChanged() ), this, SLOT( slotColWidthChanged() ) );
    connect( qApp, SIGNAL(weekChanged(bool)), this, SLOT(slotWeekChanged(bool)) );
    connect( view, SIGNAL(sigCapturedKey(const QString&)), this, SIGNAL(sigNewEvent(const QString&)) );

    QTimer *timer = new QTimer( this );

    connect( timer, SIGNAL(timeout()), this, SLOT(updateView()) );  //connect timer for updating timeMarker & daywidgetcolors
    timer->start( 1000*60*5, FALSE ); //update every 5min

    selectedWidget = 0;

    timeMarker =  new DateBookDayTimeMarker( this );
    timeMarker->setTime( QTime::currentTime() );
    rowStyle = -1; // initialize with bogus values
        jumpToCurTime = false;
}

void DateBookDay::setJumpToCurTime( bool bJump )
{
    jumpToCurTime = bJump;
}

void DateBookDay::setRowStyle( int style )
{
    if (rowStyle != style) view->setRowStyle( style );
    rowStyle = style;
}

void DateBookDay::updateView( void )
{
    timeMarker->setTime( QTime::currentTime() );
    //need to find a way to update all DateBookDayWidgets
}

void DateBookDay::setSelectedWidget( DateBookDayWidget *w )
{
    selectedWidget = w;
}

DateBookDayWidget * DateBookDay::getSelectedWidget( void )
{
    return selectedWidget;
}

void DateBookDay::selectedDates( QDateTime &start, QDateTime &end )
{
    start.setDate( currDate );
    end.setDate( currDate );

    int sh=99,eh=-1;

    int n = dayView()->numSelections();

    for (int i=0; i<n; i++) {
        QTableSelection sel = dayView()->selection( i );
        sh = QMIN(sh,sel.topRow());
        eh = QMAX(sh,sel.bottomRow()+1);
    }

    if (sh > 23 || eh < 1) {
        sh=8;
        eh=9;
    }

    start.setTime( QTime( sh, 0, 0 ) );
    end.setTime( QTime( eh, 0, 0 ) );
}

void DateBookDay::setDate( int y, int m, int d )
{
    header->setDate( y, m, d );
    selectedWidget = 0;
}

void DateBookDay::setDate( QDate d)
{
    header->setDate( d.year(), d.month(), d.day() );
    selectedWidget = 0;
}

void DateBookDay::dateChanged( int y, int m, int d )
{
    QDate date( y, m, d );
    if ( currDate == date )
        return;
    currDate.setYMD( y, m, d );
    relayoutPage();
    dayView()->clearSelection();
    QTableSelection ts;

    if (jumpToCurTime && this->date() == QDate::currentDate())
    {
        ts.init( QTime::currentTime().hour(), 0);
        ts.expandTo( QTime::currentTime().hour(), 0);
    } else {
        ts.init( startTime, 0 );
        ts.expandTo( startTime, 0 );
    }

    dayView()->addSelection( ts );
    selectedWidget = 0;
}

void DateBookDay::redraw()
{
    if ( isUpdatesEnabled() )
        relayoutPage();
}

void DateBookDay::getEvents()
{
    widgetList.clear();

        /* clear the AllDay List */
        m_allDays->hide(); // just in case
        m_allDays->removeAllEvents();

    QStringList hdays = _holiday_db->holidaylist(currDate);
    QStringList::Iterator sit;
    QObject* object = 0;

    /* this way we make sure that holiday dummy events are always
       on top of the widgetlist. */
    for (sit=hdays.begin();sit!=hdays.end();++sit) {
        m_allDays->addHoliday(*sit);
    }
    QValueList<EffectiveEvent> eventList = db->getEffectiveEventsNoHoliday( currDate, currDate );
    QValueListIterator<EffectiveEvent> it;

    for ( it = eventList.begin(); it != eventList.end(); ++it ) {
        EffectiveEvent ev=*it;
        if(!((ev.end().hour()==0) && (ev.end().minute()==0) && (ev.startDate()!=ev.date()))) {  // Skip events ending at 00:00 starting at another day.
                    if (ev.event().type() == Event::AllDay ) {
                        object = m_allDays->addEvent( ev );
                        if (!object)
                            continue;
                    }else {
            DateBookDayWidget* w = new DateBookDayWidget( *it, this );
                        widgetList.append( w );
                        object = w;
                    }

                    connect( object, SIGNAL( deleteMe(const Event&) ), this, SIGNAL( removeEvent(const Event&) ) );
                    connect( object, SIGNAL( duplicateMe(const Event&) ), this, SIGNAL( duplicateEvent(const Event&) ) );
                    connect( object, SIGNAL( editMe(const Event&) ), this, SIGNAL( editEvent(const Event&) ) );
                    connect( object, SIGNAL( beamMe(const Event&) ), this, SIGNAL( beamEvent(const Event&) ) );

        }
    }
}

static int place( const DateBookDayWidget *item, bool *used, int maxn )
{
    int place = 0;
    int start = item->event().start().hour();
    QTime e = item->event().end();
    int end = e.hour();
    if ( e.minute() < 5 )
        end--;
    if ( end < start )
        end = start;
    while ( place < maxn ) {
        bool free = TRUE;
        int s = start;
        while( s <= end ) {
            if ( used[10*s+place] ) {
                free = FALSE;
                break;
            }
            s++;
        }
        if ( free )
            break;
        place++;
    }
    if ( place == maxn ) {
        return -1;
    }
    while( start <= end ) {
        used[10*start+place] = TRUE;
        start++;
    }
    return place;
}


void DateBookDay::relayoutPage( bool fromResize )
{
    setUpdatesEnabled( FALSE );
    if ( !fromResize ) {
        getEvents();    // no need we already have them!

                if (m_allDays->items() > 0 )
                    m_allDays->show();
                /*
                 * else if ( m_allDays->items() ==  0 ) already hide in getEvents
                 */
        }

    widgetList.sort();
    //sorts the widgetList by the heights of the widget so that the tallest widgets are at the beginning
    //this is needed for the simple algo below to work correctly, otherwise some widgets would be drawn outside the view

    int wCount = widgetList.count();
    int wid = view->columnWidth(0)-1;
    int wd;
    int n = 1;

    QArray<int> anzIntersect(wCount); //this stores the number of maximal intersections of each widget

    for (int i = 0; i<wCount; anzIntersect[i] = 1, i++);

    if ( wCount < 20 ) {

        QArray<QRect> geometries(wCount);
        for (int i = 0; i < wCount; geometries[i] = widgetList.at(i)->geometry(), i++); //stores geometry for each widget in vector

        for ( int i = 0; i < wCount; i++) {
            QValueList<int> intersectedWidgets;

            //find all widgets intersecting with widgetList.at(i)
            for ( int j = 0; j < wCount; j++) {
                if (i != j)
                    if (geometries[j].intersects(geometries[i]))
                        intersectedWidgets.append(j);
            }

            //for each of these intersecting widgets find out how many widgets are they intersecting with
            for ( uint j = 0; j < intersectedWidgets.count(); j++)
            {
                QArray<int> inter(wCount);
                inter[j]=1;

                if (intersectedWidgets[j] != -1)
                    for ( uint k = j; k < intersectedWidgets.count(); k++) {
                        if (j != k && intersectedWidgets[k] != -1)
                            if (geometries[intersectedWidgets[k]].intersects(geometries[intersectedWidgets[j]])) {
                                inter[j]++;
                                intersectedWidgets[k] = -1;
                            }
                        if (inter[j] > anzIntersect[i]) anzIntersect[i] = inter[j] + 1;
                    }
                }
            if (anzIntersect[i] == 1 && intersectedWidgets.count()) anzIntersect[i]++;
        }


        for ( int i = 0; i < wCount; i++) {
            DateBookDayWidget *w = widgetList.at(i);
            QRect geom = w->geometry();
            geom.setX( 0 );
            wd = (view->columnWidth(0)-1) / anzIntersect[i] - (anzIntersect[i]>1?2:0);
            geom.setWidth( wd );
            while ( intersects( w, geom ) ) {
                geom.moveBy( wd + 2 + 1, 0 );
            }
            w->setGeometry( geom );
        }

        if (jumpToCurTime && this->date() == QDate::currentDate()) {
            view->setContentsPos( 0, QTime::currentTime().hour() * view->rowHeight(0) ); //set listview to current hour
        } else {
            view->setContentsPos( 0, startTime * view->rowHeight(0) );
        }
    } else {
        int hours[24];
        memset( hours, 0, 24*sizeof( int ) );
        bool overFlow = FALSE;
        for ( int i = 0; i < wCount; i++ ) {
            DateBookDayWidget *w = widgetList.at(i);
            int start = w->event().start().hour();
            QTime e = w->event().end();
            int end = e.hour();
            if ( e.minute() < 5 )
                end--;
            if ( end < start )
                end = start;
            while( start <= end ) {
                hours[start]++;
                if ( hours[start] >= 10 )
                    overFlow = TRUE;
                ++start;
            }
            if ( overFlow )
                break;
        }
        for ( int i = 0; i < 24; i++ ) {
            n = QMAX( n, hours[i] );
        }
        wid = ( view->columnWidth(0)-1 ) / n;

        bool used[24*10];
        memset( used, FALSE, 24*10*sizeof( bool ) );

        for ( int i = 0; i < wCount; i++ ) {
            DateBookDayWidget *w = widgetList.at(i);
            int xp = place( w, used, n );
            if ( xp != -1 ) {
                QRect geom = w->geometry();
                geom.setX( xp*(wid+2) );
                geom.setWidth( wid );
                w->setGeometry( geom );
            }
        }

        if (jumpToCurTime && this->date() == QDate::currentDate()) {
            view->setContentsPos( 0, QTime::currentTime().hour() * view->rowHeight(0) ); //set listview to current hour
        } else {
            view->setContentsPos( 0, startTime * view->rowHeight(0) );
        }
    }

    timeMarker->setTime( QTime::currentTime() );    //display timeMarker
    timeMarker->raise();                //on top of all widgets
    if (this->date() == QDate::currentDate()) {     //only show timeMarker on current day
        timeMarker->show();
    } else {
        timeMarker->hide();
    }
    setUpdatesEnabled( TRUE );
    return;
}

DateBookDayWidget *DateBookDay::intersects( const DateBookDayWidget *item, const QRect &geom )
{
    int i = 0;
    DateBookDayWidget *w = widgetList.at(i);
    int wCount = widgetList.count();
    while ( i < wCount && w != item ) {
        if ( w->geometry().intersects( geom ) ) {
            return w;
        }
        w = widgetList.at(++i);
    }

    return 0;
}


QDate DateBookDay::date() const
{
    return currDate;
}

void DateBookDay::setStartViewTime( int startHere )
{
    startTime = startHere;
    dayView()->clearSelection();
    QTableSelection ts;

    if (jumpToCurTime && this->date() == QDate::currentDate()) {    //this should probably be in datebook.cpp where it's called?
        ts.init( QTime::currentTime().hour(), 0);
        ts.expandTo( QTime::currentTime().hour(), 0);
    } else {
        ts.init( startTime, 0 );
        ts.expandTo( startTime, 0 );
    }

    dayView()->addSelection( ts );
}

int DateBookDay::startViewTime() const
{
    return startTime;
}

void DateBookDay::slotWeekChanged( bool bStartOnMonday )
{
    header->setStartOfWeek( bStartOnMonday );
//  redraw();
}

void DateBookDay::keyPressEvent(QKeyEvent *e)
{
    switch(e->key()) {
        case Key_Up:
            view->moveUp();
            break;
        case Key_Down:
            view->moveDown();
            break;
        case Key_Left:
            setDate(QDate(currDate).addDays(-1));
            break;
        case Key_Right:
            setDate(QDate(currDate).addDays(1));
            break;
        default:
            e->ignore();
    }
}

//===========================================================================

DateBookDayWidget::DateBookDayWidget( const EffectiveEvent &e, DateBookDay *db )
    : QWidget( db->dayView()->viewport() ), ev( e ), dateBook( db )
{
    // why would someone use "<"?  Oh well, fix it up...
    // I wonder what other things may be messed up...
    QString strDesc = ev.description();
    int where = strDesc.find( "<" );
    while ( where != -1 ) {
        strDesc.remove( where, 1 );
        strDesc.insert( where, "&#60;" );
        where = strDesc.find( "<", where );
    }

    QString strCat;
// ### Fix later...
//     QString strCat = ev.category();
//     where = strCat.find( "<" );
//     while ( where != -1 ) {
//  strCat.remove( where, 1 );
//  strCat.insert( where, "&#60;" );
//  where = strCat.find( "<", where );
//     }

    QString strNote = ev.notes();
    where = strNote.find( "<" );
    while ( where != -1 ) {
        strNote.remove( where, 1 );
        strNote.insert( where, "&#60;" );
        where = strNote.find( "<", where );
    }

    text = "<b>" + strDesc + "</b><br>" + "<i>";
    if ( !strCat.isEmpty() )  {
        text += strCat + "</i><br>";
    }
    if (ev.event().type() == Event::Normal ) {
        setEventText( text );
    } else {
        setAllDayText( text );
    }

    text += "<br><br>" + strNote;

    setBackgroundMode( PaletteBase );

    QTime start = ev.start();
    QTime end = ev.end();
    int y = start.hour()*60+start.minute();
    int h = end.hour()*60+end.minute()-y;
    int rh = dateBook->dayView()->rowHeight(0);
    y = y*rh/60;
    h = h*rh/60;

    if ( h < 12 ) h = 12;   // Make sure the widget is no smaller than 12 pixels high, so that it's possible to read atleast the first line.
    if ( y > ((24*rh)-12) ) y=(24*rh)-12;   // Make sure the widget fits inside the dayview.
    geom.setY( y );
    geom.setHeight( h );
    geom.setX( 0 );
    geom.setWidth(dateBook->dayView()->columnWidth(0)-1);

}

void DateBookDayWidget::setAllDayText( QString &text ) {
    text += "<b>" + tr("This is an all day event.") + "</b>";
}

void DateBookDayWidget::setEventText( QString& text ) {
    bool whichClock = dateBook->dayView()->whichClock();
    if ( ev.startDate() != ev.endDate() ) {
        text += "<b>" + tr("Start") + "</b>: ";
        text += TimeString::timeString( ev.event().start().time(), whichClock, FALSE );
        text += " - " + TimeString::longDateString( ev.startDate() ) + "<br>";
        text += "<b>" + tr("End") + "</b>: ";
        text += TimeString::timeString( ev.event().end().time(), whichClock, FALSE );
        text += " - " + TimeString::longDateString( ev.endDate() );
    } else {
        text += "<b>" + tr("Time") + "</b>: ";
        text += TimeString::timeString( ev.start(), whichClock, FALSE );
        text += "<b>" + tr(" - ") + "</b>";
        text += TimeString::timeString( ev.end(), whichClock, FALSE );
    }
}

DateBookDayWidget::~DateBookDayWidget()
{
}

void DateBookDayWidget::paintEvent( QPaintEvent *e )
{
    QPainter p( this );

    if (dateBook->getSelectedWidget() == this) {
        p.setBrush( QColor( 155, 240, 230 ) ); // selected item
    } else {
        if (dateBook->date() == QDate::currentDate()) {
            QTime curTime = QTime::currentTime();
            if (ev.end() < curTime) {
                p.setBrush( QColor( 180, 180, 180 ) ); // grey, inactive
            } else {
                //change color in dependence of the time till the event starts
                int duration = curTime.secsTo(ev.start());
                if (duration < 0) duration = 0;
                int colChange = duration*160/86400; //86400: secs per day, 160: max color shift
                p.setBrush( QColor( 200-colChange, 200-colChange, 255 ) ); //blue
            }
        } else {
            p.setBrush( QColor( 220, 220, 220 ) ); //light grey, inactive (not current date)
            //perhaps make a distinction between future/past dates
        }
    }

    p.setPen( QColor(100, 100, 100) );
    p.drawRect(rect());

 //   p.drawRect(0,0, 5, height());

    int y = 0;
    int d = 0;

    if ( ev.event().hasAlarm() ) {
        p.drawPixmap( width() - AppLnk::smallIconSize(), 0,
                      Opie::Core::OResource::loadPixmap( "bell", Opie::Core::OResource::SmallIcon ) );
        y = AppLnk::smallIconSize() + 2;
        d = 20;
    }

    if ( ev.event().hasRepeat() ) {
        p.drawPixmap( width() - AppLnk::smallIconSize(), y,
                      Opie::Core::OResource::loadPixmap( "repeat", Opie::Core::OResource::SmallIcon ) );
        d = 20;
        y += AppLnk::smallIconSize() + 2;
    }

    QSimpleRichText rt( text, font() );
    rt.setWidth( geom.width() - d - 6 );
    rt.draw( &p, 7, 0, e->region(), colorGroup() );
}

/*
 * we need to find the real start date for a uid
 * we need to check from one day to another...
 */
QDate DateBookDay::findRealStart( int uid, const QDate& isIncluded ,  DateBookDB* db) {
    QDate dt( isIncluded );
    QDate fnd = dt;

    bool doAgain = true;
    do{
        dt = dt.addDays( -1 );
        QValueList<EffectiveEvent> events = db->getEffectiveEvents( dt, dt );
        for (QValueList<EffectiveEvent>::Iterator it = events.begin(); it != events.end(); ++it ) {
            EffectiveEvent ev = (*it);
            if ( uid == ev.event().uid() && ev.start() != QTime(0, 0, 0 ) )
                return ev.date();
        }
    }while (doAgain );

    return fnd;
}

void DateBookDayWidget::mousePressEvent( QMouseEvent *e )
{
    DateBookDayWidget *item;

    item = dateBook->getSelectedWidget();
    if (item)
        item->update();

    dateBook->setSelectedWidget(this);
    update();
    dateBook->repaint();

        Event eve = ev.event();

    QPopupMenu m;
    m.insertItem( tr( "Edit" ), 1 );
    m.insertItem( tr( "Duplicate" ), 4 );
    m.insertItem( tr( "Delete" ), 2 );
    if(Ir::supported()) m.insertItem( tr( "Beam" ), 3 );
        if(Ir::supported() && ev.event().doRepeat() ) m.insertItem( tr( "Beam this occurence"), 5 );
    int r = m.exec( e->globalPos() );
    if ( r == 1 ) {
        emit editMe( eve );
    } else if ( r == 2 ) {
        emit deleteMe( eve );
    } else if ( r == 3 ) {
        emit beamMe( eve );
    } else if ( r == 4 ) {
        emit duplicateMe( eve );
    } else if ( r == 5 ) {
            // create an Event and beam it...
            /*
             * Start with the easy stuff. If start and  end date is the same we can just use
             * the values of effective events
             * If it is a multi day event we need to find the real start and end date...
             */
            if ( ev.event().start().date() == ev.event().end().date() ) {
                Event event( ev.event() );

                QDateTime dt( ev.date(), ev.start() );
                event.setStart( dt );

                dt.setTime( ev.end() );
                event.setEnd( dt );
                emit beamMe( event );
            }else {
                /*
                 * at least the the Times are right now
                 */
                QDateTime start( ev.event().start() );
                QDateTime end  ( ev.event().end  () );


                /*
                 * ok we know the start date or we need to find it
                 */
                if ( ev.start() != QTime( 0, 0, 0 ) ) {
                    start.setDate( ev.date() );
                }else {
                    QDate dt = DateBookDay::findRealStart( ev.event().uid(), ev.date(), dateBook->db );
                    start.setDate( dt );
                }


                /*
                 * ok we know now the end date...
                 * else
                 *   get to know the offset btw the real start and real end
                 *   and then add it to the new start date...
                 */
                if ( ev.end() != QTime(23, 59, 59 ) ) {
                    end.setDate( ev.date() );
                }else{
                    int days = ev.event().start().date().daysTo( ev.event().end().date() );
                    end.setDate( start.date().addDays( days ) );
                }



                Event event( ev.event() );
                event.setStart( start );
                event.setEnd  ( end   );


                emit beamMe( event );
            }
        }
}

void DateBookDayWidget::setGeometry( const QRect &r )
{
    geom = r;
    setFixedSize( r.width()+1, r.height()+1 );
    dateBook->dayView()->moveChild( this, r.x(), r.y()-1 );
    show();
}


//---------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------


DateBookDayTimeMarker::DateBookDayTimeMarker( DateBookDay *db )
    : QWidget( db->dayView()->viewport() ), dateBook( db )
{
    setBackgroundMode( PaletteBase );
}

DateBookDayTimeMarker::~DateBookDayTimeMarker()
{
}

void DateBookDayTimeMarker::paintEvent( QPaintEvent */*e*/ )
{
    QPainter p( this );
    p.setBrush( QColor( 255, 0, 0 ) );

    QPen pen;
    pen.setStyle(NoPen);

    p.setPen( pen );
    p.drawRect(rect());
}

void DateBookDayTimeMarker::setTime( const QTime &t )
{
    int y = t.hour()*60+t.minute();
    int rh = dateBook->dayView()->rowHeight(0);
    y = y*rh/60;

    geom.setX( 0 );

    int x = dateBook->dayView()->columnWidth(0)-1;
    geom.setWidth( x );

    geom.setY( y );
    geom.setHeight( 1 );

    setGeometry( geom );

    time = t;
}

void DateBookDayTimeMarker::setGeometry( const QRect &r )
{
    geom = r;
    setFixedSize( r.width()+1, r.height()+1 );
    dateBook->dayView()->moveChild( this, r.x(), r.y()-1 );
    show();
}

---