rec fix

author: zautrix <zautrix> 2005-03-18 15:12:58 (UTC)
committer: zautrix <zautrix> 2005-03-18 15:12:58 (UTC)
commit: f9f521c487143641b2cf077d04fe1c475001bce2 (patch) (unidiff)
tree: 4ffac6d14ceb3e5d77f7634f2b2a49fd91a9e77a
parent: 66bc0202d4e2306f7029362fe09d0c7ab0e7cc36 (diff)
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2 files changed, 14 insertions, 35 deletions
diff --git a/korganizer/komonthview.cpp b/korganizer/komonthview.cpp
index cb69832..004ff50 100644
--- a/korganizer/komonthview.cpp
+++ b/korganizer/komonthview.cpp
@@ -1,1707 +1,1698 @@
 /*
  This file is part of KOrganizer.
  Copyright (c) 2000,2001 Cornelius Schumacher <schumacher@kde.org>
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  GNU General Public License for more details.
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 #include <qpopupmenu.h>
 #include <qfont.h>
 #include <qfontmetrics.h>
 #include <qkeycode.h>
 #include <qhbox.h>
 #include <qvbox.h>
 #include <qwidgetstack.h>
 #include <qpushbutton.h>
 #include <qtooltip.h>
 #include <qpainter.h>
 #include <qtimer.h>
 #include <qwhatsthis.h>
 #ifndef DESKTOP_VERSION
 #include <qpe/qpeapplication.h>
 #else
 #include <qapplication.h>
 #endif
 #include <kdebug.h>
 #include <klocale.h>
 #include <kglobal.h>
 #include <kconfig.h>
 #include <kiconloader.h>
 #include <kcalendarsystem.h>
 #ifndef KORG_NOPRINTER
 #include "calprinter.h"
 #endif
 #include "koprefs.h"
 #ifndef KORG_NOPLUGINS
 #include "kocore.h"
 #endif
 #include "koglobals.h"
 #include <libkcal/kincidenceformatter.h>
 #include "komonthview.h"
 #define PIXMAP_SIZE 5
 #ifdef DESKTOP_VERSION
 QToolTipGroup *MonthViewCell::mToolTipGroup = 0; 
 #endif
 class KNOWhatsThis :public QWhatsThis
 {
 public:
    KNOWhatsThis( KNoScrollListBox* sbox ) : QWhatsThis( sbox ), _wid( sbox) { };
    //~KNOWhatsThis( ) {qDebug("~KNOWhatsThis( ) "); };
 protected:
    virtual QString text( const QPoint& p)
    {
        return _wid->getWhatsThisText(p) ;
    };
 private:
    KNoScrollListBox* _wid;
  
 };
 
 KNoScrollListBox::KNoScrollListBox(QWidget *parent,const char *name)
    : QListBox(parent, name, WRepaintNoErase)
 {
 #ifndef DESKTOP_VERSION
    QPEApplication::setStylusOperation( viewport(), QPEApplication::RightOnHold );
 #endif 
    mWT = new KNOWhatsThis(this);
 }
 KNoScrollListBox::~KNoScrollListBox()
 {
 
 }
 QString KNoScrollListBox::getWhatsThisText(QPoint p) 
 {
    QListBoxItem* item = itemAt ( p );
    if ( ! item ) {
        return i18n("Click in the cell\nto add an event!");
    }
    return KIncidenceFormatter::instance()->getFormattedText(((MonthViewItem*) item)->incidence(),
                                                                  KOPrefs::instance()->mWTshowDetails,
                                                                  KOPrefs::instance()->mWTshowCreated,
                                                                  KOPrefs::instance()->mWTshowChanged);
 }
 void KNoScrollListBox::keyPressEvent(QKeyEvent *e)
 {
 
    switch(e->key()) {
    case Key_Right:
        if ( e->state() == Qt::ControlButton||  e->state() == Qt::ShiftButton  )
        {
            e->ignore();
            return;
        }
        scrollBy(10,0);
        break;
    case Key_Left:
        if (e->state() == Qt::ControlButton||  e->state() == Qt::ShiftButton )
        {
            e->ignore();
            return;
        }
        scrollBy(-10,0);
        break;
    case Key_Up:
        if( e->state() == Qt::ControlButton||  e->state() == Qt::ShiftButton)  {
            e->ignore();
            break;
        }
        setCurrentItem((currentItem()+count()-1)%count());
        if(!itemVisible(currentItem())) {
            if((unsigned int) currentItem() == (count()-1)) {
                setTopItem(currentItem()-numItemsVisible()+1);
            } else {
                setTopItem(topItem()-1);
            }
        }
        break;
    case Key_Down:
        if(e->state() == Qt::ControlButton||  e->state() == Qt::ShiftButton)  {
            e->ignore();
            break;
        }
        setCurrentItem((currentItem()+1)%count());
        if(!itemVisible(currentItem())) {
            if(currentItem() == 0) {
                setTopItem(0);
            } else {
                setTopItem(topItem()+1);
            }
        }
        break;
    case Key_I:
        QTimer::singleShot( 11, this, SLOT ( oneDown() ) );
        e->ignore();
        break;
    case Key_Shift:
        emit shiftDown();
        break;
    default:
        e->ignore();
        break;
    }
 }
 void KNoScrollListBox::oneDown()
 {
    setCurrentItem((currentItem()+1)%count());
    if(!itemVisible(currentItem())) {
        if(currentItem() == 0) {
            setTopItem(0);
        } else {
            setTopItem(topItem()+1);
        }
    }
 }
 void KNoScrollListBox::keyReleaseEvent(QKeyEvent *e)
 {
    switch(e->key()) {
    case Key_Shift:
        emit shiftUp();
        break;
    default:
        break;
    }
 }
 void KNoScrollListBox::mousePressEvent(QMouseEvent *e)
 {
    QListBox::mousePressEvent(e);
    if(e->button() == RightButton) {
        emit rightClick();
    }
 }
 MonthViewItem::MonthViewItem( Incidence *incidence, QDate qd, const QString & s)
    : QListBoxItem()
 {
    setText( s );
    mMultiday = 0; 
    mIncidence = incidence;
    mDate = qd;
    mRecur = false;
    mAlarm = false;
    mReply = false;
    mInfo = false;
 }
 void MonthViewItem::paint(QPainter *p)
 {
 #if QT_VERSION >= 0x030000
    bool sel = isSelected();
 #else
    bool sel = selected();
 #endif 
    if (KOPrefs::instance()->mMonthViewUsesCategoryColor)
        {
            p->setBackgroundColor( palette().color( QPalette::Normal,  \
                                                    sel ? QColorGroup::Highlight : QColorGroup::Background ) );
            p->eraseRect( 0, 0, listBox()->maxItemWidth(), height( listBox() ) );
        }
    int x = 1;
    //int y = 3;//(height() - mRecurPixmap.height()) /2; 
    int size = PIXMAP_SIZE;
    if ( QApplication::desktop()->width() < 300 )
        size = 3;
    int heihei = height( listBox () );
    int y = (heihei - size -1 ) /2; 
    if ( KOPrefs::instance()->mMonthShowIcons ) {
        if ( mInfo ) { 
            p->fillRect ( x, y,size,size, Qt::darkGreen );
            x += size + 1;
        }
        if ( mRecur ) {
            p->fillRect ( x, y,size,size, Qt::blue );
            x += size + 1;
        }
        if ( mAlarm ) {
            p->fillRect ( x, y,size,size, Qt::red );
            x += size + 1;
        }
        if ( mReply ) {
            p->fillRect ( x, y,size,size, Qt::yellow );
            x += size + 1;
        }
    }
    if ( mMultiday ) { 
        int yyy = y+(size/2);
        int sizeM = size+2;
        p->setBrush( QBrush::SolidPattern );
        p->drawLine ( x+1, yyy, x +sizeM +sizeM/2-1, yyy ) ;
        if ( mMultiday == 2 || mMultiday == 3 ) { 
            QPointArray pa ( 3 );
            pa.setPoint (0,  x, yyy );
            pa.setPoint (1,  x+sizeM/2, yyy+sizeM/2 );
            pa.setPoint (2,  x+sizeM/2, yyy-sizeM/2 );
            p->drawPolygon( pa );
        }
        if ( mMultiday == 2 || mMultiday == 1 ) { 
            QPointArray pa ( 3 );
            pa.setPoint (0,  x+sizeM +sizeM/2, yyy );
            pa.setPoint (1,  x+sizeM, yyy+sizeM/2 );
            pa.setPoint (2,  x+sizeM, yyy-sizeM/2 );
            p->drawPolygon( pa );
        }
        if ( mMultiday == 1 ) {  
            // p->fillRect (  x, yyy-sizeM/2+1, sizeM/2, size, QBrush ( QBrush::SolidPattern   ) );
           
            p->drawLine (  x+1, yyy-sizeM/2,  x+1, yyy+sizeM/2 );
        }
        if (  mMultiday == 3 ) { 
            // p->fillRect (  x+sizeM, yyy-sizeM/2+1, sizeM/2, size, QBrush ( QBrush::SolidPattern   ) );
            p->drawLine (  x+sizeM +sizeM/2-1, yyy-sizeM/2,  x+sizeM +sizeM/2-1, yyy+sizeM/2 );
           
        }
        x += sizeM/2 + 1;
        x += sizeM + 1;
    }
    if ( mIncidence->type() == "Todo" ){
        Todo* td = ( Todo* ) mIncidence;
        if ( td->isCompleted() ) {
            int half = size/2;
            p->drawLine ( x, heihei/2, x +half , heihei/2 +half ) ;
            p->drawLine (  x +half , heihei/2 +half ,  x +half+half +2 , heihei/2  -2 ) ;
            x += half+half + 4;
        } else {
            int val = td->percentComplete()/20;
            p->fillRect ( x+1, y-1, val ,size+2,Qt::black );
            p->drawRect ( x, y-1,7,size+2);
            x += size + 3;
        }
    }
    QFontMetrics fm = p->fontMetrics();
    int yPos;
    int pmheight = size;
    if( pmheight < fm.height() )
        yPos = fm.ascent() + fm.leading()/2;
    else
        yPos = pmheight/2 - fm.height()/2  + fm.ascent();
    p->setPen( palette().color( QPalette::Normal, sel ? \
                                QColorGroup::HighlightedText : QColorGroup::Foreground ) );
    p->drawText( x, yPos, text() );
    if ( mIncidence->cancelled() ) {
        int wid = fm.width( text() );
        p->drawLine( x, heihei/2 ,x+wid, heihei/2 );
    }
      
 }
 int MonthViewItem::height(const QListBox *lb) const
 {
    if ( lb )
        return  lb->fontMetrics().lineSpacing()+1;
    return 10;
 }
 int MonthViewItem::width(const QListBox *lb) const
 { 
    int size = PIXMAP_SIZE;
    if ( QApplication::desktop()->width() < 300 )
        size = 3;
    int x = 1; 
    if ( KOPrefs::instance()->mMonthShowIcons ) {
        if ( mInfo ) {
            x += size + 1;
        }
        if( mRecur ) {
            x += size+1;
        }
        if( mAlarm ) {
            x += size+1;
        }
        if( mReply ) {
            x += size+1;
        }
    }
    if( mMultiday ) {
        x += size+1+2+size/2;
    }
    return( x + lb->fontMetrics().width( text() ) + 1 );
 }
 MonthViewCell::MonthViewCell( KOMonthView *parent,QWidget* par )
    : QWidget( par ),
      mMonthView( parent )
 {
    QVBoxLayout *topLayout = new QVBoxLayout( this );
    // mLabel = new QLabel( this );QPushButton 
    mLabel = new QPushButton( this );
    //mLabel->setFrameStyle( QFrame::Panel | QFrame::Plain );
    //mLabel->setLineWidth( 1 );
    //mLabel->setAlignment( AlignCenter );
    mLabel->setFlat( true );
    mLabel->setFocusPolicy(NoFocus); 
    mItemList = new KNoScrollListBox( this );
    mItemList->setMinimumSize( 10, 10 );
    mItemList->setFrameStyle( QFrame::Panel | QFrame::Plain );
    mItemList->setLineWidth( 1 );
    topLayout->addWidget( mItemList );
    mLabel->raise();
    // QColor( 0,0,255 )    QColor( 160,1600,255 )
    mStandardPalette = palette();
    mStandardPalette.setColor(QColorGroup::Base, mStandardPalette.color( QPalette::Normal, QColorGroup::Background ) );
    enableScrollBars( false );
    updateConfig();
    //connect( mLabel, SIGNAL( clicked( )), SLOT( newEvent() ));
    connect( mLabel, SIGNAL( clicked( )), SLOT( showDay() ));
    connect( mItemList, SIGNAL( doubleClicked( QListBoxItem *) ),
             SLOT( defaultAction( QListBoxItem * ) ) );
    connect( mItemList, SIGNAL( rightButtonPressed( QListBoxItem *,
                                                    const QPoint &) ),
             SLOT( contextMenu( QListBoxItem * ) ) );
    connect( mItemList, SIGNAL( highlighted( QListBoxItem *) ),
             SLOT( selection( QListBoxItem * ) ) );
    connect( mItemList, SIGNAL( clicked( QListBoxItem * ) ),
             SLOT( cellClicked( QListBoxItem * ) ) );  
    connect( mItemList, SIGNAL( clicked( QListBoxItem * ) ),
             SLOT( selection( QListBoxItem * ) ) ); 
 }
 #ifdef DESKTOP_VERSION
 QToolTipGroup *MonthViewCell::toolTipGroup()
 {
    if (!mToolTipGroup) mToolTipGroup = new QToolTipGroup(0);
    return mToolTipGroup;
 }
 #endif
 
 void MonthViewCell::setDate( const QDate &date )
 {
    //  kdDebug() << "MonthViewCell::setDate(): " << date.toString() << endl;
    mDate = date;
 
    //resizeEvent( 0 );
 }
 QDate MonthViewCell::date() const
 {
    return mDate;
 }
 void MonthViewCell::setPrimary( bool primary )
 {
    mPrimary = primary;
    //setMyPalette();
 }
 void MonthViewCell::setMyPalette()
 {
    
    if ( mHoliday) {
        setPalette( mHolidayPalette );
    } else {
        if ( mPrimary ) {
            setPalette( mPrimaryPalette );
        } else {
            setPalette( mNonPrimaryPalette );
        }
    }
    QPalette pal = palette();
    
    mLabel->setPalette( QPalette ( pal.color( QPalette::Normal,QColorGroup::Base),pal.color(QPalette::Normal,QColorGroup::Base )  ));
 }
 QPalette  MonthViewCell::getPalette ()
 {
    if ( !KOPrefs::instance()->mMonthViewUsesDayColors )
        return mStandardPalette;
    if ( mHoliday) {
        return mHolidayPalette ;
    } else {
        if ( mPrimary ) {
            return mPrimaryPalette ;
        } 
    }
    return mNonPrimaryPalette; 
 }
 bool MonthViewCell::isPrimary() const
 {
    return mPrimary;
 }
 void MonthViewCell::setHoliday( bool holiday )
 {
    mHoliday = holiday; 
    //setMyPalette();
 }
 void MonthViewCell::setHoliday( const QString &holiday )
 {
    mHolidayString = holiday;
    if ( !holiday.isEmpty() ) {
        setHoliday( true );
    }
 }
 void MonthViewCell::keyPressEvent ( QKeyEvent * e )
 {
    e->ignore();
 }
 void MonthViewCell::startUpdateCell()
 {
    mItemList->setFocusPolicy(NoFocus); 
    if ( !mMonthView->isUpdatePossible() )
        return;
    /*    
          if ( !isVisible() ){
          return;
          }
    */
    // qDebug("MonthViewCell::updateCell() ");
    setPrimary( mDate.month()%2 );
    setHoliday( KOGlobals::self()->calendarSystem()->dayOfWeek(mDate) == KOGlobals::self()->calendarSystem()->weekDayOfPray() || ( mDate.dayOfWeek() == 6 ) && KOPrefs::instance()-> mExcludeSaturdays);
    if ( mDate == QDate::currentDate()  ) {
        mItemList->setLineWidth( 3 );
    } else {
        mItemList->setLineWidth( 1 );
    }
    mItemList->clear();
 #ifdef DESKTOP_VERSION
    QToolTip::remove(this); 
 #endif 
    mToolTip.clear(); 
    //qApp->processEvents();
    if ( !mHolidayString.isEmpty() ) {
        MonthViewItem *item = new MonthViewItem( 0, mDate, mHolidayString );
        item->setPalette( mHolidayPalette );
        mItemList->insertItem( item );
        mToolTip.append ( mHolidayString ); 
    }
 }
 void MonthViewCell::insertEvent(Event *event)
 {
    QString mToolTipText;
    mItemList->setFocusPolicy(WheelFocus); 
        if ( !(event->doesRecur() == Recurrence::rNone) ) {
            if ( !KOPrefs::instance()->mMonthDailyRecur && event->doesRecur() == Recurrence::rDaily )
                return;
            else
                if ( !KOPrefs::instance()->mMonthWeeklyRecur && event->doesRecur() == Recurrence::rWeekly )
                    return;
        }
        
        if ( event->categories().contains("Holiday") ||
             event->categories().contains(i18n("Holiday"))) {
            setHoliday( true );
            if ( mDate.dayOfWeek() == 7 )
                mItemList->setLineWidth( 3 );
        }
        QString text;
        int multiday = 0;// 1 = start, 2 = midddle, 3 = end day
        if (event->isMultiDay()) {
            QString prefix = "<->";multiday = 2; 
            QString time;
            if ( event->doesRecur() ) {
                if ( event->recursOn( mDate) ) {
                    prefix ="->" ;multiday = 1;
                }
                else {
                    int days =  event->dtStart().date().daysTo ( event->dtEnd().date() );
                    if ( event->recursOn( mDate.addDays( -days)) ) {
                        prefix ="<-" ;multiday = 3;
                    }
                } 
            } else {
                if (mDate == event->dtStart().date()) {
                    prefix ="->" ;multiday = 1;
                } else if (mDate == event->dtEnd().date()) {
                    prefix ="<-" ;multiday = 3;
                }
            }
            if ( !event->doesFloat() ) {
                if ( mDate == event->dtStart().date () )
                    time = KGlobal::locale()->formatTime(event->dtStart().time())+" ";
                else if ( mDate == event->dtEnd().date () )
                    time = KGlobal::locale()->formatTime(event->dtEnd().time())+" ";
            }
            text = time + event->summary();
            mToolTipText += prefix + text;
        } else {
            if (event->doesFloat()) {
                text = event->summary();
                mToolTipText += text;
            }
            else {
                text = KGlobal::locale()->formatTime(event->dtStart().time());
                text += " " + event->summary();
                mToolTipText +=  KGlobal::locale()->formatTime(event->dtStart().time()) +"-"+KGlobal::locale()->formatTime(event->dtEnd().time())+" " + event->summary();
            }
        }
        MonthViewItem *item = new MonthViewItem( event, mDate, text );
        QPalette pal;
        if (KOPrefs::instance()->mMonthViewUsesCategoryColor) {    
            QStringList categories = event->categories();
            QString cat = categories.first();
            if ( KOPrefs::instance()->mMonthViewUsesForegroundColor ) {
                pal = getPalette();
                if (cat.isEmpty()) {
                    pal.setColor(QColorGroup::Foreground,KOPrefs::instance()->mEventColor);
                } else {
                    pal.setColor(QColorGroup::Foreground, *(KOPrefs::instance()->categoryColor(cat)));
                }
            } else {
                if (cat.isEmpty()) {
                    pal = QPalette(KOPrefs::instance()->mEventColor, KOPrefs::instance()->mEventColor);
                } else {
                    pal = QPalette(*(KOPrefs::instance()->categoryColor(cat)), *(KOPrefs::instance()->categoryColor(cat)));
                } 
            }
           
        } else {
            pal = mStandardPalette ;
        }
        item->setPalette( pal );
        item->setRecur( event->recurrence()->doesRecur() );
        item->setAlarm( event->isAlarmEnabled() && multiday < 2 );
        item->setMoreInfo( event->description().length() > 0  );
 #ifdef DESKTOP_VERSION
        Attendee *me = event->attendeeByMails(KOPrefs::instance()->mAdditionalMails,
                                              KOPrefs::instance()->email());
        if ( me != 0 ) {
            if ( me->status() == Attendee::NeedsAction && me->RSVP())
                item->setReply(true && multiday < 2);
            else
                item->setReply(false);
        } else
            item->setReply(false);
 #endif
        item->setMultiDay( multiday );
        mItemList->insertItem( item );
        mToolTip.append( mToolTipText );
 }
 void MonthViewCell::insertTodo(Todo *todo)
 {
    mItemList->setFocusPolicy(WheelFocus); 
      QString text;
        if (todo->hasDueDate()) {
            if (!todo->doesFloat()) {
                text += KGlobal::locale()->formatTime(todo->dtDue().time());
                text += " ";
            }
        }
        text += todo->summary();
        MonthViewItem *item = new MonthViewItem( todo, mDate, text );
        //item->setPalette( mStandardPalette );
        QPalette pal;
        if (KOPrefs::instance()->mMonthViewUsesCategoryColor) {    
            QStringList categories = todo->categories();
            QString cat = categories.first();
            if ( KOPrefs::instance()->mMonthViewUsesForegroundColor ) {
                pal = getPalette();
                if (cat.isEmpty()) {
                    pal.setColor(QColorGroup::Foreground,KOPrefs::instance()->mEventColor);
                } else {
                    pal.setColor(QColorGroup::Foreground, *(KOPrefs::instance()->categoryColor(cat)));
                }
            } else {
                if (cat.isEmpty()) {
                    pal = QPalette(KOPrefs::instance()->mEventColor, KOPrefs::instance()->mEventColor);
                } else {
                    pal = QPalette(*(KOPrefs::instance()->categoryColor(cat)), *(KOPrefs::instance()->categoryColor(cat)));
                } 
            }
           
        } else {
            pal = mStandardPalette ;
        }
        item->setPalette( pal );
        item->setRecur( todo->recurrence()->doesRecur() );
        item->setAlarm( todo->isAlarmEnabled() );
        item->setMoreInfo( todo->description().length() > 0  );
        mItemList->insertItem( item );
        mToolTip.append( text ); 
 }
 void MonthViewCell::finishUpdateCell()
 {
 #ifdef DESKTOP_VERSION
    if (mToolTip.count() > 0 ) {
        mToolTip.sort();
        QToolTip::add(this,mToolTip.join("\n"),toolTipGroup(),"");
    }
 #endif
    mItemList->sort();
    //setMyPalette(); 
    setMyPalette();
    QString text;
    bool smallDisplay = QApplication::desktop()->width() < 320 && KOPrefs::instance()->mMonthViewSatSunTog;
    if ( KOPrefs::instance()->mMonthViewWeek || KOGlobals::self()->calendarSystem()->day( mDate ) == 1 || (mDate.dayOfWeek() == 7 && !smallDisplay ) || KOPrefs::instance()->mMonthShowShort) { 
        text = KOGlobals::self()->calendarSystem()->monthName( mDate, true ) + " ";
        mLabel->resize( mLabelBigSize  );
        text += QString::number( KOGlobals::self()->calendarSystem()->day(mDate) );
    } else {
        mLabel->resize( mLabelSize );
        text += QString::number( KOGlobals::self()->calendarSystem()->day(mDate) );
    }
    
    mLabel->setText( text );
    resizeEvent( 0 );
 }
 void MonthViewCell::updateCell()
 {
    //qDebug("MonthViewCell::updateCell() ");
    if ( !mMonthView->isUpdatePossible() )
        return;
    startUpdateCell();
    //mLabel->setMaximumWidth( width() - mItemList->lineWidth()*2);
    QPtrList<Event> events = mMonthView->calendar()->events( mDate, true );
    Event *event;
    for( event = events.first(); event; event = events.next() ) { // for event
        insertEvent(event);
    }
    // insert due todos
    QPtrList<Todo> todos = mMonthView->calendar()->todos( mDate );
    Todo *todo;
    for(todo = todos.first(); todo; todo = todos.next()) {
        insertTodo( todo );
    }
    finishUpdateCell();
    // if ( isVisible())
    //qApp->processEvents();
 }
 void MonthViewCell::updateConfig( bool bigFont ) // = false
 {
    if ( bigFont ) {
        QFont fo = KOPrefs::instance()->mMonthViewFont;
        int ps = fo.pointSize() + 2;
        if ( ps < 18 )
            ps += 2;
        fo.setPointSize( ps ); 
        setFont( fo );
    } else
        setFont( KOPrefs::instance()->mMonthViewFont );
    QFontMetrics fm( font() );
    mLabelSize = fm.size( 0, "30" ) + QSize( 4, 2 );
    mLabelBigSize = fm.size( 0, "Mag 30" ) + QSize( 2, 2 );
    mHolidayPalette = mStandardPalette;
    mPrimaryPalette = mStandardPalette;
    mNonPrimaryPalette = mStandardPalette;
    if ( KOPrefs::instance()->mMonthViewUsesDayColors ) {
        mHolidayPalette.setColor(QColorGroup::Base, KOPrefs::instance()->mMonthViewHolidayColor  );
        mHolidayPalette.setColor(QColorGroup::Background, KOPrefs::instance()->mMonthViewHolidayColor  );
        mHolidayPalette.setColor(QColorGroup::Foreground,  KOPrefs::instance()->mMonthViewHolidayColor.dark());
        mPrimaryPalette.setColor(QColorGroup::Foreground,KOPrefs::instance()->mMonthViewOddColor.dark());
        mPrimaryPalette.setColor(QColorGroup::Base,KOPrefs::instance()->mMonthViewOddColor);
        mPrimaryPalette.setColor(QColorGroup::Background,KOPrefs::instance()->mMonthViewOddColor);
        mNonPrimaryPalette.setColor(QColorGroup::Foreground,KOPrefs::instance()->mMonthViewEvenColor.dark());
        mNonPrimaryPalette.setColor(QColorGroup::Base,KOPrefs::instance()->mMonthViewEvenColor); 
        mNonPrimaryPalette.setColor(QColorGroup::Background,KOPrefs::instance()->mMonthViewEvenColor); 
    }
    //updateCell(); 
 }
 void MonthViewCell::enableScrollBars( bool enabled )
 {
    if ( enabled ) {
        mItemList->setVScrollBarMode(QScrollView::Auto);
        mItemList->setHScrollBarMode(QScrollView::Auto);
    } else {
        mItemList->setVScrollBarMode(QScrollView::AlwaysOff);
        mItemList->setHScrollBarMode(QScrollView::AlwaysOff);
    }
 }
 Incidence *MonthViewCell::selectedIncidence()
 {
    int index = mItemList->currentItem();
    if ( index < 0 ) return 0;
  
    MonthViewItem *item =
        static_cast<MonthViewItem *>( mItemList->item( index ) );
    if ( !item ) return 0;
  
    return item->incidence();
 }
 QDate MonthViewCell::selectedIncidenceDate()
 {
    QDate qd;
    int index = mItemList->currentItem();
    if ( index < 0 ) return qd;
  
    MonthViewItem *item =
        static_cast<MonthViewItem *>( mItemList->item( index ) );
    if ( !item ) return qd;
  
    return item->incidenceDate();
 }
 void MonthViewCell::deselect()
 {
    mItemList->clearSelection();
    enableScrollBars( false );
    // updateCell();
 }
 void MonthViewCell::select()
 {
    ;// updateCell();
 }
 void MonthViewCell::resizeEvent ( QResizeEvent * )
 {
    if ( !mMonthView->isUpdatePossible() )
        return;
    int size = height() - mLabel->height() - 2;
    if ( size > 0 )
        mItemList->verticalScrollBar()->setMaximumHeight( size );
    size = width() - mLabel->width() -2;
    if ( size > 0 )
        mItemList->horizontalScrollBar()->setMaximumWidth( size );
    mLabel->move( width()-mItemList->lineWidth() - mLabel->width(), height()-mItemList->lineWidth() - mLabel->height() );
    //mLabel->setMaximumWidth( width() - mItemList->lineWidth()*2);
 }
 void MonthViewCell::defaultAction( QListBoxItem *item )
 {
    if ( !item ) return;
    MonthViewItem *eventItem = static_cast<MonthViewItem *>( item );
    Incidence *incidence = eventItem->incidence();
    if ( incidence ) mMonthView->defaultAction( incidence );
 }
 void MonthViewCell::showDay()
 {
    emit showDaySignal( date() );
 }
 void MonthViewCell::newEvent()
 {
    QDateTime dt( date(), QTime( KOPrefs::instance()->mStartTime, 0 ) );
    emit newEventSignal( dt );
 }
 void MonthViewCell::cellClicked( QListBoxItem *item )
 {
    static  QListBoxItem * lastClicked = 0;
    if ( item == 0 ) {
        QDateTime dt( date(), QTime( KOPrefs::instance()->mStartTime, 0 ) );
        emit newEventSignal( dt );
        return;
    }
    /*
      if ( lastClicked )
      if ( ! item ) {
      if ( lastClicked->listBox() != item->listBox() )
      lastClicked->listBox()->clearSelection();
      }
    */
 
    mMonthView->setSelectedCell( this );
    if( KOPrefs::instance()->mEnableMonthScroll || KOPrefs::instance()->mMonthViewWeek ) enableScrollBars( true );
    select();
 }
 void MonthViewCell::contextMenu( QListBoxItem *item )
 {
    if ( !item ) return;
  
    MonthViewItem *eventItem = static_cast<MonthViewItem *>( item );
    Incidence *incidence = eventItem->incidence();
    if ( incidence ) mMonthView->showContextMenu( incidence );
 }
 void MonthViewCell::selection( QListBoxItem *item )
 {
    if ( !item ) return;
    mMonthView->setSelectedCell( this );
 }
 // *******************************************************************************
 // *******************************************************************************
 // *******************************************************************************
 KOMonthView::KOMonthView(Calendar *calendar, QWidget *parent, const char *name)
    : KOEventView( calendar, parent, name ),
      mDaysPerWeek( 7 ), mNumWeeks( 6 ), mNumCells( mDaysPerWeek * mNumWeeks ),
      mWidthLongDayLabel( 0 ), mSelectedCell( 0 )
 {
    mShortDayLabelsM = false;
    mShortDayLabelsW = false;
    skipResize = false;
    clPending = true;
    mNavigatorBar = new NavigatorBar( QDate::currentDate(), this, "useBigPixmaps" );
    mWidStack = new QWidgetStack( this );
    QVBoxLayout* hb = new QVBoxLayout( this );
    mMonthView = new QWidget( mWidStack );
    mWeekView = new QWidget( mWidStack );
 #if QT_VERSION >= 0x030000
    mWidStack->addWidget(mMonthView );
    mWidStack->addWidget(mWeekView  );
 #else
    mWidStack->addWidget( mMonthView, 1 );
    mWidStack->addWidget( mWeekView , 1 );
 #endif
    hb->addWidget( mNavigatorBar );
    hb->addWidget( mWidStack );
    mWeekStartsMonday = KGlobal::locale()->weekStartsMonday();
    mShowWeekView = KOPrefs::instance()->mMonthViewWeek;
    if ( mShowWeekView )
        mWeekStartsMonday = true;
    updatePossible = false;
    //updatePossible = true;
    mCells.setAutoDelete( true );
    mShowSatSunComp = KOPrefs::instance()->mMonthViewSatSunTog ;
    mDayLabels.resize( mDaysPerWeek );
    mDayLabelsW.resize( mDaysPerWeek );
    QFont bfont = font();
    if ( QApplication::desktop()->width() < 650 ) {
        bfont.setPointSize( bfont.pointSize() - 2 );
    }
    bfont.setBold( true );
    int i;
  
    for( i = 0; i < mDaysPerWeek; i++ ) {
        QLabel *label = new QLabel( mMonthView );
        label->setFont(bfont);
        label->setFrameStyle(QFrame::Panel|QFrame::Raised);
        label->setLineWidth(1);
        label->setAlignment(AlignCenter);
        mDayLabels.insert( i, label );
        label = new QLabel( mWeekView );
        label->setFont(bfont);
        label->setFrameStyle(QFrame::Panel|QFrame::Raised);
        label->setLineWidth(1);
        label->setAlignment(AlignCenter);
        mDayLabelsW.insert( i, label );
    }
    bfont.setBold( false );
    mWeekLabels.resize( mNumWeeks+1 );
    mWeekLabelsW.resize( 2 );
    for( i = 0; i < mNumWeeks+1; i++ ) {
        KOWeekButton *label = new KOWeekButton( mMonthView );
        label->setFocusPolicy(NoFocus); 
        label->setFont(bfont);
        connect( label, SIGNAL( selectWeekNum ( int )),this, SLOT( selectInternalWeekNum ( int ))   );  
        label->setFlat(true);
        QWhatsThis::add(label,i18n("Click on the week number to\nshow week zoomed"));
        //label->setFrameStyle(QFrame::Panel|QFrame::Raised);
        //label->setLineWidth(1);
        //label->setAlignment(AlignCenter);
        mWeekLabels.insert( i, label );
    }
    mWeekLabels[mNumWeeks]->setText( i18n("W"));
    QWhatsThis::add(mWeekLabels[mNumWeeks],i18n("Click on this to\nselect week number"));
    
    for( i = 0; i < 1+1; i++ ) {
        KOWeekButton *label = new KOWeekButton( mWeekView );
        label->setFocusPolicy(NoFocus); 
        label->setFont(bfont);
        connect( label, SIGNAL( selectWeekNum ( int )),this, SLOT( selectInternalWeekNum ( int ))   );  
        label->setFlat(true);
        QWhatsThis::add(label,i18n("Click on the week number to\nshow week zoomed"));
        //label->setFrameStyle(QFrame::Panel|QFrame::Raised);
        //label->setLineWidth(1);
        //label->setAlignment(AlignCenter);
        mWeekLabelsW.insert( i, label );
    }
    mWeekLabelsW[1]->setText( i18n("W"));
    int row, col;
    mCells.resize( mNumCells );
    for( row = 0; row < mNumWeeks; ++row ) {
        for( col = 0; col < mDaysPerWeek; ++col ) {
            MonthViewCell *cell = new MonthViewCell( this, mMonthView );
            mCells.insert( row * mDaysPerWeek + col, cell );
            connect( cell, SIGNAL( defaultAction( Incidence * ) ),
                     SLOT( defaultAction( Incidence * ) ) );
            connect( cell, SIGNAL( newEventSignal( QDateTime ) ),
                     SIGNAL( newEventSignal( QDateTime ) ) );
            connect( cell, SIGNAL( showDaySignal( QDate ) ),
                     SIGNAL( showDaySignal( QDate ) ) );
        }
    }
    mCellsW.resize( mDaysPerWeek );
    for( col = 0; col < mDaysPerWeek; ++col ) {
        MonthViewCell *cell = new MonthViewCell( this, mWeekView );
        mCellsW.insert( col, cell );
        connect( cell, SIGNAL( defaultAction( Incidence * ) ),
                 SLOT( defaultAction( Incidence * ) ) );
        connect( cell, SIGNAL( newEventSignal( QDateTime ) ),
                 SIGNAL( newEventSignal( QDateTime ) ) );
        connect( cell, SIGNAL( showDaySignal( QDate ) ),
                 SIGNAL( showDaySignal( QDate ) ) );
        cell->updateConfig(KOPrefs::instance()->mMonthViewUsesBigFont );
    }
    //connect( mWeekLabels[mNumWeeks], SIGNAL( clicked() ), SLOT( switchView() ) );
    mContextMenu = eventPopup();
    // updateConfig(); //useless here...
    // ... but we need mWidthLongDayLabel computed
    QFontMetrics fontmetric(mDayLabels[0]->font());
    mWidthLongDayLabel = 0;
    for (int i = 0; i < 7; i++) {
        int width = fontmetric.width(KOGlobals::self()->calendarSystem()->weekDayName(i+1));
        if ( width > mWidthLongDayLabel ) mWidthLongDayLabel = width;
    }
    //mWeekLabels[mNumWeeks]->setText( i18n("W"));
 #if 0
    if ( mShowWeekView )
        mWidStack->raiseWidget( mWeekView );
    else
        mWidStack->raiseWidget( mMonthView );
 #endif
    emit incidenceSelected( 0 );
 #ifndef DESKTOP_VERSION
    resize( QApplication::desktop()->size() );
 #else
    resize(640, 480 );
    updatePossible = true;
 #endif
    computeLayout();
    if ( mShowWeekView )
        mWidStack->raiseWidget( mWeekView );
    else
        mWidStack->raiseWidget( mMonthView );
 }
 KOMonthView::~KOMonthView()
 {
    delete mContextMenu;
 }
 void KOMonthView::selectInternalWeekNum ( int n )
 {
    switchView();  
    if ( !KOPrefs::instance()->mMonthViewWeek )
        emit selectMonth ();
    else
        emit selectWeekNum ( n );
 }
 int KOMonthView::currentWeek()
 {
    if ( mShowWeekView )
        return mWeekLabelsW[0]->getWeekNum();
    return mWeekLabels[0]->getWeekNum();
 }
 void KOMonthView::switchView()
 {
    if ( selectedCell( ) )
        selectedCell()->deselect();
    mShowWeekView = !mShowWeekView;
    KOPrefs::instance()->mMonthViewWeek = mShowWeekView;
    if ( clPending ) {
      computeLayout();
      updateConfig();
    }
    if ( mShowWeekView )
        mWidStack->raiseWidget( mWeekView );
    else
        mWidStack->raiseWidget( mMonthView ); 
    clPending = false;
 }
 int KOMonthView::maxDatesHint()
 {
    return mNumCells;
 }
 int KOMonthView::currentDateCount()
 {
    return mNumCells;
 }
 QPtrList<Incidence> KOMonthView::selectedIncidences()
 {
    QPtrList<Incidence> selected;
    if ( mSelectedCell ) {
        Incidence *incidence = mSelectedCell->selectedIncidence();
        if ( incidence ) selected.append( incidence );
    }
    return selected;
 }
 DateList KOMonthView::selectedDates()
 {
    DateList selected;
    if ( mSelectedCell ) {
        QDate qd = mSelectedCell->selectedIncidenceDate();
        if ( qd.isValid() ) selected.append( qd );
    }
    return selected;
 }
 void KOMonthView::printPreview(CalPrinter *calPrinter, const QDate &fd,
                               const QDate &td)
 {
 #ifndef KORG_NOPRINTER
    calPrinter->preview(CalPrinter::Month, fd, td);
 #endif
 }
 void KOMonthView::updateConfig()
 {
 
    mWeekStartsMonday = KGlobal::locale()->weekStartsMonday();
    if ( mShowWeekView ) {
        mWeekStartsMonday = true;
    } 
    QFontMetrics fontmetric(mDayLabels[0]->font());
    mWidthLongDayLabel = 0;
    for (int i = 0; i < 7; i++) {
        int width = fontmetric.width(KOGlobals::self()->calendarSystem()->weekDayName(i+1));
        if ( width > mWidthLongDayLabel ) mWidthLongDayLabel = width;
    }
    bool temp = mShowSatSunComp ;
    mShowSatSunComp = KOPrefs::instance()->mMonthViewSatSunTog ;
    if ( !  mShowWeekView ) {
        if ( temp != KOPrefs::instance()->mMonthViewSatSunTog )
            computeLayout();
    }
    updateDayLabels();
    //qDebug("KOMonthView::updateConfig() %d %d %d ",height(), mDayLabels[0]->sizeHint().height() ,mNumWeeks);
    //int cellHeight = (height() - mDayLabels[0]->sizeHint().height()) /mNumWeeks;
    //resizeEvent( 0 );
    for (uint i = 0; i < mCells.count(); ++i) {
        mCells[i]->updateConfig();
    }
    for (uint i = 0; i < mCellsW.count(); ++i) {
        mCellsW[i]->updateConfig(KOPrefs::instance()->mMonthViewUsesBigFont);
    }
 #ifdef DESKTOP_VERSION
    MonthViewCell::toolTipGroup()->setEnabled(KOPrefs::instance()->mEnableToolTips); 
 #endif
    updateView();
 }
 void KOMonthView::updateDayLabels()
 {
  
    QPtrVector<QLabel> *mDayLabelsT;
    mDayLabelsT = &mDayLabelsW;
    for (int i = 0; i < 7; i++) {
        if (mWeekStartsMonday) {
            bool show = mShortDayLabelsW;
            if ( i > 4 && mShowSatSunComp && mWidthLongDayLabel > (*mDayLabelsT)[i]->width()  )
                show = true;
            (*mDayLabelsT)[i]->setText(KOGlobals::self()->calendarSystem()->weekDayName(i+1,show));
        } else {
            if (i==0) (*mDayLabelsT)[i]->setText(KOGlobals::self()->calendarSystem()->weekDayName(7,mShortDayLabelsW));
            else (*mDayLabelsT)[i]->setText(KOGlobals::self()->calendarSystem()->weekDayName(i,mShortDayLabelsW));
        }
    }
    mDayLabelsT = &mDayLabels;
    for (int i = 0; i < 7; i++) {
        if (mWeekStartsMonday) {
            bool show = mShortDayLabelsM;
            if ( i > 4 && mShowSatSunComp && mWidthLongDayLabel > (*mDayLabelsT)[i]->width()  )
                show = true;
            (*mDayLabelsT)[i]->setText(KOGlobals::self()->calendarSystem()->weekDayName(i+1,show));
        } else {
            if (i==0) (*mDayLabelsT)[i]->setText(KOGlobals::self()->calendarSystem()->weekDayName(7,mShortDayLabelsM));
            else (*mDayLabelsT)[i]->setText(KOGlobals::self()->calendarSystem()->weekDayName(i,mShortDayLabelsM));
        }
    }
 }
 void KOMonthView::showDates(const QDate &start, const QDate &)
 {
    //  kdDebug() << "KOMonthView::showDates(): " << start.toString() << endl;
    QPtrVector<MonthViewCell> *cells;
    QPtrVector<QLabel> *dayLabels;
    QPtrVector<KOWeekButton> *weekLabels;
    int weekNum = 6;
    if ( mShowWeekView ) {
        weekNum = 1;
        cells = &mCellsW;
        dayLabels = &mDayLabelsW;
        weekLabels = &mWeekLabelsW;
    } else {
        cells = &mCells;
        dayLabels = &mDayLabels;
        weekLabels = &mWeekLabels;
    }
    mStartDate = start;
    int startWeekDay = mWeekStartsMonday ? 1 : 7;
    while( KOGlobals::self()->calendarSystem()->dayOfWeek(mStartDate) != startWeekDay ) {
        mStartDate = mStartDate.addDays( -1 );
    }
    bool primary = false;
    uint i;
    for( i = 0; i < (*cells).size(); ++i ) {
        QDate date = mStartDate.addDays( i );
        (*cells)[i]->setDate( date );
 #ifndef KORG_NOPLUGINS
        // add holiday, if present
        QString hstring(KOCore::self()->holiday(date));
        (*cells)[i]->setHoliday( hstring );
 #endif
    }
    QDate date = mStartDate.addDays( mWeekStartsMonday ? 3 : 4 );
    for( i = 0; i < weekNum; ++i ) {
        int wno;
        // remember, according to ISO 8601, the first week of the year is the
        // first week that contains a thursday.  Thus we must subtract off 4,
        // not just 1.
        int dayOfYear = date.dayOfYear();
        if (dayOfYear % 7 != 0)
            wno = dayOfYear / 7 + 1;
        else
            wno =dayOfYear / 7;
        (*weekLabels)[i]->setWeekNum( wno );
        date = date.addDays( 7 );
    }
    updateView();
 }
 void KOMonthView::showEvents(QPtrList<Event>)
 {
    qDebug("KOMonthView::selectEvents is not implemented yet. ");
 }
 void KOMonthView::changeEventDisplay(Event *, int)
 {
    // this should be re-written to be much more efficient, but this
    // quick-and-dirty-hack gets the job done for right now.
    updateView();
 }
 void KOMonthView::updateView()
 { 
    if ( !updatePossible )
        return;
    //QTime ti;
    //ti.start();
    clearSelection();
    QPtrVector<MonthViewCell> *cells;
    if ( mShowWeekView ) {
        cells = &mCellsW;
    } else {
        cells = &mCells;
    }
 #if 1
    int i;
    int timeSpan = (*cells).size()-1;
    if ( KOPrefs::instance()->mMonthViewWeek )         
        timeSpan = 6;
    for( i = 0; i < timeSpan + 1; ++i ) {
        (*cells)[i]->startUpdateCell();
    }
 
    QPtrList<Event> events = calendar()->events();
    Event *event;
    QDateTime dt;
    bool ok;
    QDate endDate =  mStartDate.addDays( timeSpan );
    for( event = events.first(); event; event = events.next() ) { // for event
        if ( event->doesRecur() ) {
            bool last;
-            qDebug("********************************************** ");
-            qDebug("Event summary: %s ", event->summary().latin1());
            QDateTime incidenceStart = event->recurrence()->getPreviousDateTime( QDateTime( mStartDate ) , &last );
            QDateTime incidenceEnd;
            int eventlen = event->dtStart().date().daysTo ( event->dtEnd().date()  );
-            qDebug("eventlen %d ",  eventlen);
            bool invalid = false;
            while( true ) {
                    if ( incidenceStart.isValid() ) {
                        incidenceEnd = incidenceStart.addDays( eventlen );
                        int st =   incidenceStart.date().daysTo( endDate );
                        if ( st >= 0 ) { // start before timeend
                            int end = mStartDate.daysTo( incidenceEnd.date() );
                            if ( end >= 0 ) { // end after timestart --- got one!
                                //normalize
                                st =  timeSpan - st;
                                if ( st < 0 ) st = 0;
                                if ( end > timeSpan ) end = timeSpan;
                                int iii;
                                //qDebug("found %s %d %d ",event->summary().latin1(), st, end );
                                for ( iii = st;iii<= end;++iii) 
                                    (*cells)[iii]->insertEvent( event );
                            }
                        }
                    } else {
                        if ( invalid )
                            break;
                        invalid = true;
-                        qDebug("invalid %s", event->summary().latin1());
+                        //qDebug("invalid %s", event->summary().latin1());
                        incidenceStart = QDateTime( mStartDate ).addSecs( -2 );;
                    }
                    if ( last )
                        break;
                    bool ok;
-                    qDebug("TRY next occurence %s ", incidenceStart.toString().latin1());
                    incidenceStart = event->getNextOccurence( incidenceStart.addSecs( 1 ) ,&ok );
-                    if ( ! ok ) {
+                    if ( ! ok )
-                        qDebug("NOT OK ");
                        break;
-                    }
+                    if ( incidenceStart.date() > endDate )
-                    if ( incidenceStart.date() > endDate ) {
-                        qDebug("incidenceStart.date() > endDate ");
                        break;
-                    }
-                    qDebug("next occurence %s ", incidenceStart.toString().latin1());
            }
        } else { // no recur 
            int st =  event->dtStart().date().daysTo( endDate );
            if ( st >= 0 ) { // start before timeend
                int end = mStartDate.daysTo( event->dtEnd().date() );
                if ( end >= 0 ) { // end after timestart --- got one!
                    //normalize
                    st =  timeSpan - st;
                    if ( st < 0 ) st = 0;
                    if ( end > timeSpan ) end = timeSpan;
                    int iii;
                    for ( iii = st;iii<= end;++iii)
                        (*cells)[iii]->insertEvent( event );
                }
            }
        }
    }
    // insert due todos
    QPtrList<Todo> todos = calendar()->todos( );
    Todo *todo;
    for(todo = todos.first(); todo; todo = todos.next()) {
        //insertTodo( todo );
        if ( todo->hasDueDate() ) {
            int day = mStartDate.daysTo( todo->dtDue().date() );
            if ( day >= 0 && day < timeSpan + 1)  {
                (*cells)[day]->insertTodo( todo );
            }
        }
    }
    for( i = 0; i < timeSpan+1; ++i ) {
        (*cells)[i]->finishUpdateCell();
    }
    processSelectionChange();
    (*cells)[0]->setFocus();
 #else
    // old code
    //qDebug("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ");
    int i;
    for( i = 0; i < (*cells).count(); ++i ) {
        (*cells)[i]->updateCell();
    }
 
    //qDebug("KOMonthView::updateView() ");
    processSelectionChange();
    // qDebug("---------------------------------------------------------------------+ ");
    (*cells)[0]->setFocus();
 #endif
    //qDebug("update time %d ", ti.elapsed());
 }
 void KOMonthView::resizeEvent(QResizeEvent * e)
 {
    //qDebug("KOMonthView::resizeEvent %d %d -- %d %d ", e->size().width(), e->size().height(), e->oldSize().width(), e->oldSize().height());
    computeLayout();
    clPending = true; 
    if ( mShowWeekView )
        mCellsW[0]->setFocus();
    else
        mCells[0]->setFocus();
 }
 void KOMonthView::computeLayoutWeek()
 {
    static int lastWid = 0;
    static int lastHei = 0;
    int daysToShow;
    bool combinedSatSun  = false;
    if (mShowSatSunComp = KOPrefs::instance()->mMonthViewSatSunTog ) {
        daysToShow = 6;
        combinedSatSun  = true;
    }
    int tWid = topLevelWidget()->size().width();
    int tHei = topLevelWidget()->size().height();
    int wid = width();//e
    int hei = height()-1-mNavigatorBar->height();
    if ( ((wid *3)/2) < tWid && (( hei *3) /2) < tHei  ) 
        return;
     
    if ( lastWid == width() && lastHei == height() )
        return;
    lastWid = width();
    lastHei = height();
    if ( wid < hei )
        daysToShow = 2;
    else
        daysToShow = 3;
    mShowSatSunComp = true;
    combinedSatSun  = true;
        
    //qDebug("KOMonthView::computeLayout() WWW ------------------------------------ ");
    QFontMetrics fm ( mWeekLabels[0]->font() );
    int weeklabelwid = fm.width( "888" );
    wid -= weeklabelwid;
    int colWid = wid / daysToShow;
    int lastCol = wid - ( colWid*6  ); 
    int dayLabelHei = mDayLabelsW[0]->sizeHint().height();
    int cellHei = (hei - (5- daysToShow )*dayLabelHei) /(5- daysToShow ); 
    int colModulo = wid % daysToShow;
    int rowModulo = (hei- (5- daysToShow )*dayLabelHei) % daysToShow-1;
    //qDebug("rowmod %d ", rowModulo);
    int i;
    int x,y,w,h;
    x= 0;
    y= 0;
    w = colWid;
    h = dayLabelHei ;
    for ( i = 0; i < 7; i++) {
        if ( i && !( i % daysToShow) && i < 6) {
            y += hei/(5-daysToShow);
            x = 0;
            w =  colWid;
        }
        if ( ((i) % daysToShow) >= daysToShow-colModulo ) {
            ++w;
        }
        if ( i >=  5 ) {
            mDayLabelsW[i]->setGeometry( x+weeklabelwid,y,w/2+w%2,h);
            x -= (w/2 );
        }
        else
            mDayLabelsW[i]->setGeometry( x+weeklabelwid,y,w,h);
        x += w;                                   
    }
    x= 0;
    y= dayLabelHei;
    w = colWid;
    h = cellHei;
    for ( i = 0; i < mCellsW.count(); ++i) {
        if ( i > 6 ) {
            mCellsW[i]->hide();
            continue;
        }
        
        w = colWid;
        if ( ((i) % daysToShow) >= daysToShow-colModulo ) {
            ++w;
        }
        if ( i  == (daysToShow-1-rowModulo)*7)
            ++h; 
      
        if ( i >= 5 ) {
            if ( i ==5 ) {
                mCellsW[i]->setGeometry ( x+weeklabelwid,y,w,h/2 ); 
                x -= w ;y += h/2;
            } else {
                if ( ((i-1) % daysToShow) >= daysToShow-colModulo ) {
                    ++w;
                }
                mCellsW[i]->setGeometry ( x+weeklabelwid,y,w,h-h/2 ); 
                y -= h/2;
            }
        } else
            mCellsW[i]->setGeometry ( x+weeklabelwid,y,w,h ); 
                
       
        x += w;
        if ( x + w/2 > wid ) {
            x = 0;
            y += h+dayLabelHei ;
        }
    }
    y= dayLabelHei;
    h = cellHei ;
    mWeekLabelsW[0]->setGeometry( 0,y,weeklabelwid,hei-dayLabelHei);
    mWeekLabelsW[1]->setGeometry( 0,0,weeklabelwid,dayLabelHei);
    // qDebug("RRRRRRRRRRRRR %d %d  old %d %d", e->size().width(),e->size().height() , e->oldSize().width(),e->oldSize().height());
    //qDebug("parent %d %d ", topLevelWidget()->size().width(), topLevelWidget()->size().height());
    mShortDayLabelsW = mDayLabelsW[0]->width()-2 < mWidthLongDayLabel ;
    updateDayLabels();
    //bool forceUpdate = !updatePossible;
    updatePossible = true;
    //mWeekLabels[mNumWeeks]->setText( i18n("M"));
    //if ( forceUpdate )
    //  updateView();
 }
 void KOMonthView::computeLayout()
 {
  
    static int lastWid = 0;
    static int lastHei = 0;
    if ( mShowWeekView ){
            computeLayoutWeek();
            return;
    }
    int daysToShow = 7;
    bool combinedSatSun  = false;
    if (mShowSatSunComp = KOPrefs::instance()->mMonthViewSatSunTog ) {
        daysToShow = 6;
        combinedSatSun  = true;
    }
    int tWid = topLevelWidget()->size().width();
    int tHei = topLevelWidget()->size().height();
    int wid = width();//e
    int hei = height()-1-mNavigatorBar->height();
    if ( ((wid *3)/2) < tWid && (( hei *3) /2) < tHei  ) {
        return;  
    }
    if ( lastWid == width() && lastHei == height() ){
        return;
    }
    lastWid = width();
    lastHei =  height();
    //qDebug("KOMonthView::computeLayout() MMM ------------------------------------ ");
    QFontMetrics fm ( mWeekLabels[0]->font() );
    int weeklabelwid = fm.width( "888" );
    wid -= weeklabelwid;
    int colWid = wid / daysToShow;
    int lastCol = wid - ( colWid*6  ); 
    int dayLabelHei = mDayLabels[0]->sizeHint().height();
    int cellHei = (hei - dayLabelHei) /6; 
    int colModulo = wid % daysToShow;
    int rowModulo = (hei- dayLabelHei) % 6;
    //qDebug("rowmod %d ", rowModulo);
    int i;
    int x,y,w,h;
    x= 0;
    y= 0;
    w = colWid;
    h = dayLabelHei ;
    for ( i = 0; i < 7; i++) {
        if ( i == daysToShow-colModulo )
            ++w;
        if ( combinedSatSun ) {
            if ( i >=  daysToShow-1 ) {
                mDayLabels[i]->setGeometry( x+weeklabelwid,y,w/2,h);
                x -= w/2 ;
            }
            else
                mDayLabels[i]->setGeometry( x+weeklabelwid,y,w,h);
        } else
            mDayLabels[i]->setGeometry( x+weeklabelwid,y,w,h);
        x += w;                                   
    }
    x= 0;
    y= dayLabelHei;
    w = colWid;
    h = cellHei ;
    for ( i = 0; i < mCells.count(); ++i) {
        //qDebug("iii %d ", i);
        w = colWid;
        if ( ((i) % 7) >= 7-colModulo ) {
            ++w;
        }
        if ( i  == (6-rowModulo)*7)
            ++h; 
        if ( combinedSatSun ) {
            if ( (i)%7 >=  daysToShow-1 ) {
                if ( (i)%7 ==  daysToShow-1 ) {
                    mCells[i]->setGeometry ( x+weeklabelwid,y,w,h/2 ); 
                    x -= w ;y += h/2;
                } else {
                    mCells[i]->setGeometry ( x+weeklabelwid,y,w,h-h/2 ); 
                    y -= h/2;
                }
            } else
                mCells[i]->setGeometry ( x+weeklabelwid,y,w,h ); 
                
        }
        else
            mCells[i]->setGeometry ( x+weeklabelwid,y,w,h );
        x += w;
        if ( x + w/2 > wid ) {
            x = 0;
            y += h;
        }
    }
    y= dayLabelHei;
    h = cellHei ;
    for ( i = 0; i < 6; i++) {
        if ( i  == (6-rowModulo))
            ++h;
        mWeekLabels[i]->setGeometry( 0,y,weeklabelwid,h);
        y += h;                            
    }
    mWeekLabels[6]->setGeometry( 0,0,weeklabelwid,dayLabelHei);
    // qDebug("RRRRRRRRRRRRR %d %d  old %d %d", e->size().width(),e->size().height() , e->oldSize().width(),e->oldSize().height());
    //qDebug("parent %d %d ", topLevelWidget()->size().width(), topLevelWidget()->size().height());
    mShortDayLabelsM = mDayLabels[0]->width()-2 < mWidthLongDayLabel ;
    updateDayLabels();
    //bool forceUpdate = !updatePossible;
    updatePossible = true;
    //mWeekLabels[mNumWeeks]->setText( i18n("W"));
 }
 void KOMonthView::showContextMenu( Incidence *incidence )
 {
    mContextMenu->showIncidencePopup(incidence);
    /*
      if( incidence && incidence->type() == "Event" ) {
      Event *event = static_cast<Event *>(incidence);
      mContextMenu->showEventPopup(event);
      } else {
      kdDebug() << "MonthView::showContextMenu(): cast failed." << endl;
      }
    */
 }
 MonthViewCell * KOMonthView::selectedCell( )
 {
    return mSelectedCell;
 }
 void KOMonthView::setSelectedCell( MonthViewCell *cell )
 {
    //qDebug("KOMonthView::setSelectedCell ");
    if ( mSelectedCell && mSelectedCell != cell ) {
        MonthViewCell * mvc = mSelectedCell;
        mSelectedCell = cell;
        mvc->deselect();
    } else 
        mSelectedCell = cell;
    //  if ( mSelectedCell )
    //         mSelectedCell->select();
    if ( !mSelectedCell )
        emit incidenceSelected( 0 );
    else 
        emit incidenceSelected( mSelectedCell->selectedIncidence() );
 }
 void KOMonthView::processSelectionChange()
 {
    QPtrList<Incidence> incidences = selectedIncidences();
    if (incidences.count() > 0) {
        emit incidenceSelected( incidences.first() );
    } else {
        emit incidenceSelected( 0 );
        clearSelection();
    }
 }
 void KOMonthView::clearSelection()
 {
    if ( mSelectedCell ) {
        mSelectedCell->deselect();
        mSelectedCell = 0;
    }
 }
 void KOMonthView::keyPressEvent ( QKeyEvent * e )
 {
    //qDebug("KOMonthView::keyPressEvent ");
    switch(e->key()) {
    case Key_Up: 
        {
            if ( mShowWeekView ) {
                mCellsW[0]->setFocus();
                emit selectWeekNum ( currentWeek() - 1 );
            }
            else {
                mCells[0]->setFocus();
                emit prevMonth();
            }
        }
        e->accept();
        break;
    case Key_Down:
        {
            if ( mShowWeekView ) {
                mCellsW[0]->setFocus();
                emit selectWeekNum ( currentWeek() +1);
            }
            else {
                mCells[0]->setFocus();
                emit nextMonth();
            }
           
        }
        e->accept();
        break;
    case Key_Return:
    case Key_Enter:
        {
            selectInternalWeekNum ( currentWeek() );
        }
        e->accept();
        break;
    case Key_D:
        if ( mSelectedCell ) {
            mSelectedCell->showDay();
            e->accept();
        } else {
            e->ignore();     
        }
        break;
    default:
        e->ignore();     
        break;
    }
 }
diff --git a/libkcal/recurrence.cpp b/libkcal/recurrence.cpp
index 8a175c9..6ee5499 100644
--- a/libkcal/recurrence.cpp
+++ b/libkcal/recurrence.cpp
@@ -1,3413 +1,3401 @@
 /*
    This file is part of libkcal.
    Copyright (c) 1998 Preston Brown
    Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
    Copyright (c) 2002 David Jarvie <software@astrojar.org.uk>
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.
 */
 #include <limits.h>
 #include <kdebug.h>
 #include <kglobal.h>
 #include <klocale.h>
 #include "incidence.h"
 #include "recurrence.h"
 using namespace KCal;
 Recurrence::Feb29Type Recurrence::mFeb29YearlyDefaultType = Recurrence::rMar1;
 Recurrence::Recurrence(Incidence *parent, int compatVersion)
 : recurs(rNone),   // by default, it's not a recurring event
  rWeekStart(1),   // default is Monday
  rDays(7),
  mFloats(parent ? parent->doesFloat() : false),
  mRecurReadOnly(false),
  mRecurExDatesCount(0),
  mFeb29YearlyType(mFeb29YearlyDefaultType),
  mCompatVersion(compatVersion ? compatVersion : INT_MAX),
  mCompatRecurs(rNone),
  mCompatDuration(0),
  mParent(parent)
 {
  rMonthDays.setAutoDelete( true );
  rMonthPositions.setAutoDelete( true );
  rYearNums.setAutoDelete( true );
 }
 Recurrence::Recurrence(const Recurrence &r, Incidence *parent)
 : recurs(r.recurs),
  rWeekStart(r.rWeekStart),
  rDays(r.rDays.copy()),
  rFreq(r.rFreq),
  rDuration(r.rDuration),
  rEndDateTime(r.rEndDateTime),
  mRecurStart(r.mRecurStart),
  mFloats(r.mFloats),
  mRecurReadOnly(r.mRecurReadOnly),
  mRecurExDatesCount(r.mRecurExDatesCount),
  mFeb29YearlyType(r.mFeb29YearlyType),
  mCompatVersion(r.mCompatVersion),
  mCompatRecurs(r.mCompatRecurs),
  mCompatDuration(r.mCompatDuration),
  mParent(parent)
 {
  for (QPtrListIterator<rMonthPos> mp(r.rMonthPositions);  mp.current();  ++mp) {
    rMonthPos *tmp = new rMonthPos;
    tmp->rPos     = mp.current()->rPos;
    tmp->negative = mp.current()->negative;
    tmp->rDays    = mp.current()->rDays.copy();
    rMonthPositions.append(tmp);
  }
  for (QPtrListIterator<int> md(r.rMonthDays);  md.current();  ++md) {
    int *tmp = new int;
    *tmp = *md.current();
    rMonthDays.append(tmp);
  }
  for (QPtrListIterator<int> yn(r.rYearNums);  yn.current();  ++yn) {
    int *tmp = new int;
    *tmp = *yn.current();
    rYearNums.append(tmp);
  }
  rMonthDays.setAutoDelete( true );
  rMonthPositions.setAutoDelete( true );
  rYearNums.setAutoDelete( true );
 }
 Recurrence::~Recurrence()
 {
 }
 bool Recurrence::operator==( const Recurrence& r2 ) const
 {  
      
    // the following line is obvious
    if (  recurs == rNone &&  r2.recurs == rNone )
        return true;
    // we need the above line, because two non recurring events may
    // differ in the other settings, because one (or both) 
    // may be not initialized properly
    if ( recurs != r2.recurs
  ||   rFreq != r2.rFreq
  ||   rDuration != r2.rDuration
  ||   !rDuration && rEndDateTime != r2.rEndDateTime
  ||   mRecurStart != r2.mRecurStart
  ||   mFloats != r2.mFloats
  ||   mRecurReadOnly != r2.mRecurReadOnly
  ||   mRecurExDatesCount != r2.mRecurExDatesCount )
    return false;
  // no need to compare mCompat* and mParent
  // OK to compare the pointers
  switch ( recurs )
  {
    case rWeekly:
      return rDays == r2.rDays
      &&     rWeekStart == r2.rWeekStart;
  case rMonthlyPos: {
      QPtrList<rMonthPos> MonthPositions = rMonthPositions;
      QPtrList<rMonthPos> MonthPositions2 = r2.rMonthPositions;
      if ( !MonthPositions.count() )
          return false;
      if ( !MonthPositions2.count() )
          return false;
      return MonthPositions.first()->rPos == MonthPositions2.first()->rPos;
  }
  case rMonthlyDay: {
      QPtrList<int> MonthDays = rMonthDays ; 
      QPtrList<int> MonthDays2 = r2.rMonthDays ;  
      if ( !MonthDays.count() )
          return false;
      if ( !MonthDays2.count() )
          return false; 
      return *MonthDays.first() == *MonthDays2.first() ;
  }
  case rYearlyPos: {
      QPtrList<int> YearNums = rYearNums;
      QPtrList<int> YearNums2 = r2.rYearNums;
      if ( *YearNums.first() != *YearNums2.first() )
          return false;
      QPtrList<rMonthPos> MonthPositions = rMonthPositions;
      QPtrList<rMonthPos> MonthPositions2 = r2.rMonthPositions;
      if ( !MonthPositions.count() )
          return false;
      if ( !MonthPositions2.count() )
          return false;
      return MonthPositions.first()->rPos == MonthPositions2.first()->rPos;
     
  }
  case rYearlyMonth: {
      QPtrList<int> YearNums = rYearNums;
      QPtrList<int> YearNums2 = r2.rYearNums;
      return ( *YearNums.first() == *YearNums2.first()  && mFeb29YearlyType == r2.mFeb29YearlyType);
  }
      case rYearlyDay: {
      QPtrList<int> YearNums = rYearNums;
      QPtrList<int> YearNums2 = r2.rYearNums;
      return ( *YearNums.first() == *YearNums2.first() );
      }
    case rNone:
    case rMinutely:
    case rHourly:
    case rDaily:
    default:
      return true;
  }
 }
 /*
 bool  Recurrence::compareLists( const QPtrList<int> &l1 ,const QPtrList<int> &l2)
 {
    if ( l1.count() != l2.count() )
        return false;
    int count = l1.count();
    int i;
    for ( i = 0; i < count ; ++i ) {
        // if ( l1.at(i) != l2.at(i)   )
        return false;
        qDebug("comp�are ");
    }
    return true;
 }
 */
 QString Recurrence::recurrenceText() const
 {
    QString recurText;
    if ( recurs == Recurrence::rMinutely  )
        recurText = i18n("minutely");
    else if ( recurs == Recurrence::rHourly  )
        recurText = i18n("hourly");
    else if ( recurs == Recurrence::rDaily  )
        recurText = i18n("daily");
    else if ( recurs ==  Recurrence::rWeekly ) 
        recurText = i18n("weekly");
    else if ( recurs == Recurrence::rMonthlyPos  )
        recurText = i18n("monthly");
    else if ( recurs ==  Recurrence::rMonthlyDay )
        recurText = i18n("monthly");
    else if ( recurs ==  Recurrence::rYearlyMonth )
        recurText = i18n("yearly");
    else if ( recurs ==  Recurrence::rYearlyDay )
        recurText = i18n("day-yearly");
    else if ( recurs ==  Recurrence::rYearlyPos )
        recurText = i18n("position-yearly");
    if ( !recurText.isEmpty() ) {
        if ( rFreq > 1 ){
            recurText = i18n("(%1) ").arg(rFreq ) + recurText;
        }
    } else
         recurText = i18n("No");
    return recurText;
 }
 void Recurrence::setCompatVersion(int version)
 {
  mCompatVersion = version ? version : INT_MAX;
 }
 ushort Recurrence::doesRecur() const
 {
  return recurs;
 }
 bool Recurrence::recursOnPure(const QDate &qd) const
 {
  switch(recurs) {
    case rMinutely:
      return recursSecondly(qd, rFreq*60);
    case rHourly:
      return recursSecondly(qd, rFreq*3600);
    case rDaily:
      return recursDaily(qd);
    case rWeekly:
      return recursWeekly(qd);
    case rMonthlyPos:
    case rMonthlyDay:
      return recursMonthly(qd);
    case rYearlyMonth:
      return recursYearlyByMonth(qd);
    case rYearlyDay:
      return recursYearlyByDay(qd);
    case rYearlyPos:
      return recursYearlyByPos(qd);
    default:
        return false;
    case rNone:
      return false;
  } // case
  return false;
 }
 bool Recurrence::recursAtPure(const QDateTime &dt) const
 {
  switch(recurs) {
  case rMinutely:
    return recursMinutelyAt(dt, rFreq);
  case rHourly:
    return recursMinutelyAt(dt, rFreq*60);
  default:
    if (dt.time() != mRecurStart.time())
      return false;
    switch(recurs) {
      case rDaily:
        return recursDaily(dt.date());
      case rWeekly:
        return recursWeekly(dt.date());
      case rMonthlyPos:
      case rMonthlyDay:
        return recursMonthly(dt.date());
      case rYearlyMonth:
        return recursYearlyByMonth(dt.date());
      case rYearlyDay:
        return recursYearlyByDay(dt.date());
      case rYearlyPos:
        return recursYearlyByPos(dt.date());
      default:
          return false;
      case rNone:
        return false;
    }
  } // case
  return false;
 }
 QDate Recurrence::endDate() const
 {
  int count = 0;
  QDate end;
  if (recurs != rNone) {
    if (rDuration < 0)
      return QDate();    // infinite recurrence
    if (rDuration == 0)
      return rEndDateTime.date();
    // The end date is determined by the recurrence count
    QDate dStart = mRecurStart.date();
    switch (recurs)
    {
    case rMinutely:
      return mRecurStart.addSecs((rDuration-1+mRecurExDatesCount)*rFreq*60).date();
    case rHourly:
      return mRecurStart.addSecs((rDuration-1+mRecurExDatesCount)*rFreq*3600).date();
    case rDaily:
      return dStart.addDays((rDuration-1+mRecurExDatesCount)*rFreq);
    case rWeekly:
      count = weeklyCalc(END_DATE_AND_COUNT, end);
      break;
    case rMonthlyPos:
    case rMonthlyDay:
      count = monthlyCalc(END_DATE_AND_COUNT, end);
      break;
    case rYearlyMonth:
      count = yearlyMonthCalc(END_DATE_AND_COUNT, end);
      break;
    case rYearlyDay:
      count = yearlyDayCalc(END_DATE_AND_COUNT, end);
      break;
    case rYearlyPos:
      count = yearlyPosCalc(END_DATE_AND_COUNT, end);
      break;
    default:
      // catch-all.  Should never get here.
      kdDebug(5800) << "Control should never reach here in endDate()!" << endl;
      break;
    }
  }
  if (!count)
    return QDate();     // error - there is no recurrence
  return end;
 }
 QDateTime Recurrence::endDateTime() const
 {
  int count = 0;
  QDate end;
  if (recurs != rNone) {
    if (rDuration < 0)
      return QDateTime();    // infinite recurrence
    if (rDuration == 0)
      return rEndDateTime;
    // The end date is determined by the recurrence count
    QDate dStart = mRecurStart.date();
    switch (recurs)
    {
    case rMinutely:
      return mRecurStart.addSecs((rDuration-1+mRecurExDatesCount)*rFreq*60);
    case rHourly:
      return mRecurStart.addSecs((rDuration-1+mRecurExDatesCount)*rFreq*3600);
    case rDaily:
      return dStart.addDays((rDuration-1+mRecurExDatesCount)*rFreq);
    case rWeekly:
      count = weeklyCalc(END_DATE_AND_COUNT, end);
      break;
    case rMonthlyPos:
    case rMonthlyDay:
      count = monthlyCalc(END_DATE_AND_COUNT, end);
      break;
    case rYearlyMonth:
      count = yearlyMonthCalc(END_DATE_AND_COUNT, end);
      break;
    case rYearlyDay:
      count = yearlyDayCalc(END_DATE_AND_COUNT, end);
      break;
    case rYearlyPos:
      count = yearlyPosCalc(END_DATE_AND_COUNT, end);
      break;
    default:
      // catch-all.  Should never get here.
      kdDebug(5800) << "Control should never reach here in endDate()!" << endl;
      break;
    }
  }
  if (!count)
    return QDateTime();     // error - there is no recurrence
  return QDateTime(end, mRecurStart.time());
 }
 int Recurrence::durationTo(const QDate &date) const
 {
  QDate d = date;
  return recurCalc(COUNT_TO_DATE, d);
 }
 int Recurrence::durationTo(const QDateTime &datetime) const
 {
  QDateTime dt = datetime;
  return recurCalc(COUNT_TO_DATE, dt);
 }
 void Recurrence::unsetRecurs()
 {
  if (mRecurReadOnly) return;
  recurs = rNone;
  rMonthPositions.clear();
  rMonthDays.clear();
  rYearNums.clear();
 }
 void Recurrence::setRecurStart(const QDateTime &start)
 {
  mRecurStart = start;
  mFloats = false;
  switch (recurs)
  {
    case rMinutely:
    case rHourly:
      break;
    case rDaily:
    case rWeekly:
    case rMonthlyPos:
    case rMonthlyDay:
    case rYearlyMonth:
    case rYearlyDay:
    case rYearlyPos:
    default:
      rEndDateTime.setTime(start.time());
      break;
  }
 }
 void Recurrence::setRecurStart(const QDate &start)
 {
  mRecurStart.setDate(start);
  mRecurStart.setTime(QTime(0,0,0));
  switch (recurs)
  {
    case rMinutely:
    case rHourly:
      break;
    case rDaily:
    case rWeekly:
    case rMonthlyPos:
    case rMonthlyDay:
    case rYearlyMonth:
    case rYearlyDay:
    case rYearlyPos:
    default:
      mFloats = true;
      break;
  }
 }
 void Recurrence::setFloats(bool f)
 {
  switch (recurs)
  {
    case rDaily:
    case rWeekly:
    case rMonthlyPos:
    case rMonthlyDay:
    case rYearlyMonth:
    case rYearlyDay:
    case rYearlyPos:
      break;
    case rMinutely:
    case rHourly:
    default:
      return;     // can't set sub-daily to floating
  }
  mFloats = f;
  if (f) {
    mRecurStart.setTime(QTime(0,0,0));
    rEndDateTime.setTime(QTime(0,0,0));
  }
 }
 int Recurrence::frequency() const
 {
  return rFreq;
 }
 int Recurrence::duration() const
 {
  return rDuration;
 }
 void Recurrence::setDuration(int _rDuration)
 {
  if (mRecurReadOnly) return;
  if (_rDuration > 0) {
    rDuration = _rDuration;
    // Compatibility mode is only needed when reading the calendar in ICalFormatImpl,
    // so explicitly setting the duration means no backwards compatibility is needed.
    mCompatDuration = 0;
  }
 }
 QString Recurrence::endDateStr(bool shortfmt) const
 {
  return KGlobal::locale()->formatDate(rEndDateTime.date(),shortfmt);
 }
 const QBitArray &Recurrence::days() const
 {
  return rDays;
 }
 const QPtrList<Recurrence::rMonthPos> &Recurrence::monthPositions() const
 {
  return rMonthPositions;
 }
 const QPtrList<Recurrence::rMonthPos> &Recurrence::yearMonthPositions() const
 {
  return rMonthPositions;
 }
 const QPtrList<int> &Recurrence::monthDays() const
 {
  return rMonthDays;
 }
 void Recurrence::setMinutely(int _rFreq, int _rDuration)
 {
  if (mRecurReadOnly || _rDuration == 0 || _rDuration < -1)
    return;
  setDailySub(rMinutely, _rFreq, _rDuration);
 }
 void Recurrence::setMinutely(int _rFreq, const QDateTime &_rEndDateTime)
 {
  if (mRecurReadOnly) return;
  rEndDateTime = _rEndDateTime;
  setDailySub(rMinutely, _rFreq, 0);
 }
 void Recurrence::setHourly(int _rFreq, int _rDuration)
 {
  if (mRecurReadOnly || _rDuration == 0 || _rDuration < -1)
    return;
  setDailySub(rHourly, _rFreq, _rDuration);
 }
 void Recurrence::setHourly(int _rFreq, const QDateTime &_rEndDateTime)
 {
  if (mRecurReadOnly) return;
  rEndDateTime = _rEndDateTime;
  setDailySub(rHourly, _rFreq, 0);
 }
 void Recurrence::setDaily(int _rFreq, int _rDuration)
 {
  if (mRecurReadOnly || _rDuration == 0 || _rDuration < -1)
    return;
  setDailySub(rDaily, _rFreq, _rDuration);
 }
 void Recurrence::setDaily(int _rFreq, const QDate &_rEndDate)
 {
  if (mRecurReadOnly) return;
  rEndDateTime.setDate(_rEndDate);
  rEndDateTime.setTime(mRecurStart.time());
  setDailySub(rDaily, _rFreq, 0);
 }
 void Recurrence::setWeekly(int _rFreq, const QBitArray &_rDays,
                               int _rDuration, int _rWeekStart)
 {
  if (mRecurReadOnly || _rDuration == 0 || _rDuration < -1)
    return;
  recurs = rWeekly;
  rFreq = _rFreq;
  rDays = _rDays;
  rWeekStart = _rWeekStart;
  rDuration = _rDuration;
  if (mCompatVersion < 310 && _rDuration > 0) {
    // Backwards compatibility for KDE < 3.1.
    // rDuration was set to the number of time periods to recur,
    // with week start always on a Monday.
    // Convert this to the number of occurrences.
    mCompatDuration = _rDuration;
    int weeks = ((mCompatDuration-1+mRecurExDatesCount)*7) + (7 - mRecurStart.date().dayOfWeek());
    QDate end(mRecurStart.date().addDays(weeks * rFreq));
    rDuration = INT_MAX;    // ensure that weeklyCalc() does its job correctly
    rDuration = weeklyCalc(COUNT_TO_DATE, end);
  } else {
    mCompatDuration = 0;
  }
  rMonthPositions.clear();
  rMonthDays.clear();
  if (mParent) mParent->updated();
 }
 void Recurrence::setWeekly(int _rFreq, const QBitArray &_rDays,
                               const QDate &_rEndDate, int _rWeekStart)
 {
  if (mRecurReadOnly) return;
  recurs = rWeekly;
  rFreq = _rFreq;
  rDays = _rDays;
  rWeekStart = _rWeekStart;
  rEndDateTime.setDate(_rEndDate);
  rEndDateTime.setTime(mRecurStart.time());
  rDuration = 0; // set to 0 because there is an end date
  mCompatDuration = 0;
  rMonthPositions.clear();
  rMonthDays.clear();
  rYearNums.clear();
  if (mParent) mParent->updated();
 }
 void Recurrence::setMonthly(short type, int _rFreq, int _rDuration)
 {
  if (mRecurReadOnly || _rDuration == 0 || _rDuration < -1)
    return;
  recurs = type;
  rFreq = _rFreq;
  rDuration = _rDuration;
  if (mCompatVersion < 310)
    mCompatDuration = (_rDuration > 0) ? _rDuration : 0;
  rYearNums.clear();
  if (mParent) mParent->updated();
 }
 void Recurrence::setMonthly(short type, int _rFreq,
                            const QDate &_rEndDate)
 {
  if (mRecurReadOnly) return;
  recurs = type;
  rFreq = _rFreq;
  rEndDateTime.setDate(_rEndDate);
  rEndDateTime.setTime(mRecurStart.time());
  rDuration = 0; // set to 0 because there is an end date
  mCompatDuration = 0;
  rYearNums.clear();
  if (mParent) mParent->updated();
 }
 void Recurrence::addMonthlyPos(short _rPos, const QBitArray &_rDays)
 {
  if (recurs == rMonthlyPos)
    addMonthlyPos_(_rPos, _rDays);
 }
 void Recurrence::addMonthlyPos_(short _rPos, const QBitArray &_rDays)
 {
  if (mRecurReadOnly
  ||  _rPos == 0 || _rPos > 5 || _rPos < -5)    // invalid week number
    return;
  for (rMonthPos* it = rMonthPositions.first();  it;  it = rMonthPositions.next()) {
    int itPos = it->negative ? -it->rPos : it->rPos;
    if (_rPos == itPos) {
      // This week is already in the list.
      // Combine the specified days with those in the list.
      it->rDays |= _rDays;
      if (mParent) mParent->updated();
      return;
    }
  }
  // Add the new position to the list
  rMonthPos *tmpPos = new rMonthPos;
  if (_rPos > 0) {
    tmpPos->rPos = _rPos;
    tmpPos->negative = false;
  } else {
    tmpPos->rPos = -_rPos; // take abs()
    tmpPos->negative = true;
  }
  tmpPos->rDays = _rDays;
  tmpPos->rDays.detach();
  rMonthPositions.append(tmpPos);
  if (mCompatVersion < 310 && mCompatDuration > 0) {
    // Backwards compatibility for KDE < 3.1.
    // rDuration was set to the number of time periods to recur.
    // Convert this to the number of occurrences.
    int monthsAhead = (mCompatDuration-1+mRecurExDatesCount) * rFreq;
    int month = mRecurStart.date().month() - 1 + monthsAhead;
    QDate end(mRecurStart.date().year() + month/12, month%12 + 1, 31);
    rDuration = INT_MAX;    // ensure that recurCalc() does its job correctly
    rDuration = recurCalc(COUNT_TO_DATE, end);
  }
  if (mParent) mParent->updated();
 }
 void Recurrence::addMonthlyDay(short _rDay)
 {
  if (mRecurReadOnly || (recurs != rMonthlyDay && recurs != rYearlyMonth)
  ||  _rDay == 0 || _rDay > 31 || _rDay < -31)   // invalid day number
    return;
  for (int* it = rMonthDays.first();  it;  it = rMonthDays.next()) {
    if (_rDay == *it)
      return;        // this day is already in the list - avoid duplication
  }
  int *tmpDay = new int;
  *tmpDay = _rDay;
  rMonthDays.append(tmpDay);
  if (mCompatVersion < 310 && mCompatDuration > 0) {
    // Backwards compatibility for KDE < 3.1.
    // rDuration was set to the number of time periods to recur.
    // Convert this to the number of occurrences.
    int monthsAhead = (mCompatDuration-1+mRecurExDatesCount) * rFreq;
    int month = mRecurStart.date().month() - 1 + monthsAhead;
    QDate end(mRecurStart.date().year() + month/12, month%12 + 1, 31);
    rDuration = INT_MAX;    // ensure that recurCalc() does its job correctly
    rDuration = recurCalc(COUNT_TO_DATE, end);
  }
  if (mParent) mParent->updated();
 }
 void Recurrence::setYearly(int type, int _rFreq, int _rDuration)
 {
  if (mRecurReadOnly || _rDuration == 0 || _rDuration < -1)
    return;
  if (mCompatVersion < 310)
    mCompatDuration = (_rDuration > 0) ? _rDuration : 0;
  setYearly_(type, mFeb29YearlyDefaultType, _rFreq, _rDuration);
 }
 void Recurrence::setYearly(int type, int _rFreq, const QDate &_rEndDate)
 {
  if (mRecurReadOnly) return;
  rEndDateTime.setDate(_rEndDate);
  rEndDateTime.setTime(mRecurStart.time());
  mCompatDuration = 0;
  setYearly_(type, mFeb29YearlyDefaultType, _rFreq, 0);
 }
 void Recurrence::setYearlyByDate(Feb29Type type, int _rFreq, int _rDuration)
 {
  if (mRecurReadOnly || _rDuration == 0 || _rDuration < -1)
    return;
  if (mCompatVersion < 310)
    mCompatDuration = (_rDuration > 0) ? _rDuration : 0;
  setYearly_(rYearlyMonth, type, _rFreq, _rDuration);
 }
 void Recurrence::setYearlyByDate(Feb29Type type, int _rFreq, const QDate &_rEndDate)
 {
  if (mRecurReadOnly) return;
  rEndDateTime.setDate(_rEndDate);
  rEndDateTime.setTime(mRecurStart.time());
  mCompatDuration = 0;
  setYearly_(rYearlyMonth, type, _rFreq, 0);
 }
 void Recurrence::addYearlyMonthPos(short _rPos, const QBitArray &_rDays)
 {
  if (recurs == rYearlyPos)
    addMonthlyPos_(_rPos, _rDays);
 }
 const QPtrList<int> &Recurrence::yearNums() const
 {
  return rYearNums;
 }
 void Recurrence::addYearlyMonth(short _rPos )
 { 
    if (mRecurReadOnly  ||  recurs != rYearlyMonth)    // invalid day/month number
    return;
  rMonthPos *tmpPos = new rMonthPos;
  if ( _rPos > 0) {
    tmpPos->rPos = _rPos;
    tmpPos->negative = false;
  } else {
    tmpPos->rPos = -_rPos; // take abs()
    tmpPos->negative = true;
  }
  rMonthPositions.append(tmpPos);
 }
 void Recurrence::addYearlyNum(short _rNum)
 {
  if (mRecurReadOnly
  ||  (recurs != rYearlyMonth && recurs != rYearlyDay && recurs != rYearlyPos)
  ||  _rNum <= 0)    // invalid day/month number
    return;
  if (mCompatVersion < 310 && mCompatRecurs == rYearlyDay) {
    // Backwards compatibility for KDE < 3.1.
    // Dates were stored as day numbers, with a fiddle to take account of leap years.
    // Convert the day number to a month.
    if (_rNum <= 0 || _rNum > 366 || (_rNum == 366 && mRecurStart.date().daysInYear() < 366))
      return;     // invalid day number
    _rNum = QDate(mRecurStart.date().year(), 1, 1).addDays(_rNum - 1).month();
  } else
  if ((recurs == rYearlyMonth || recurs == rYearlyPos) && _rNum > 12
  ||  recurs == rYearlyDay && _rNum > 366)
    return;     // invalid day number
  uint i = 0;
  for (int* it = rYearNums.first();  it && _rNum >= *it;  it = rYearNums.next()) {
    if (_rNum == *it)
      return;        // this day/month is already in the list - avoid duplication
    ++i;
  }
  int *tmpNum = new int;
  *tmpNum = _rNum;
  rYearNums.insert(i, tmpNum);   // insert the day/month in a sorted position
  if (mCompatVersion < 310 && mCompatDuration > 0) {
    // Backwards compatibility for KDE < 3.1.
    // rDuration was set to the number of time periods to recur.
    // Convert this to the number of occurrences.
    QDate end(mRecurStart.date().year() + (mCompatDuration-1+mRecurExDatesCount)*rFreq, 12, 31);
    rDuration = INT_MAX;    // ensure that recurCalc() does its job correctly
    rDuration = recurCalc(COUNT_TO_DATE, end);
  }
  if (mParent) mParent->updated();
 }
 QDateTime Recurrence::getNextDateTime(const QDateTime &preDateTime, bool *last) const
 {  
    if (last)
        *last = false;
  int freq;
  switch (recurs)
  {
    case rMinutely:
      freq = rFreq * 60;
      break;
    case rHourly:
      freq = rFreq * 3600;
      break;
    case rDaily:
    case rWeekly:
    case rMonthlyPos:
    case rMonthlyDay:
    case rYearlyMonth:
    case rYearlyDay:
    case rYearlyPos: {
      QDate preDate = preDateTime.date();
      if (!mFloats && mRecurStart.time() > preDateTime.time())
        preDate = preDate.addDays(-1);
      return QDateTime(getNextDateNoTime(preDate, last), mRecurStart.time());
    }
    default:
      return QDateTime();
  }
  // It's a sub-daily recurrence
  if (preDateTime < mRecurStart)
    return mRecurStart;
  int count = mRecurStart.secsTo(preDateTime) / freq + 2;
  if (rDuration > 0) {
    if (count > rDuration)
      return QDateTime();
    if (last && count == rDuration)
      *last = true;
  }
  QDateTime endtime = mRecurStart.addSecs((count - 1)*freq);
  if (rDuration == 0) {
    if (endtime > rEndDateTime)
      return QDateTime();
    if (last && endtime == rEndDateTime)
      *last = true;
  }
  return endtime;
 }
 QDate Recurrence::getNextDate(const QDate &preDate, bool *last) const
 { 
    if (last)
        *last = false;
    switch (recurs)
  {
    case rMinutely:
    case rHourly:
      return getNextDateTime(QDateTime(preDate, QTime(23,59,59)), last).date();
    case rDaily:
    case rWeekly:
    case rMonthlyPos:
    case rMonthlyDay:
    case rYearlyMonth:
    case rYearlyDay:
    case rYearlyPos:
        qDebug("Recurrence::getNextDate: MAY BE BROKEN ");
      return getNextDateNoTime(preDate, last);
    default:
      return QDate();
  }
 }
 QDateTime Recurrence::getPreviousDateTime(const QDateTime &afterDateTime, bool *last) const
 {
    if (last)
        *last = false;
  int freq;
  switch (recurs)
  {
    case rMinutely:
      freq = rFreq * 60;
      break;
    case rHourly:
      freq = rFreq * 3600;
      break;
    case rDaily:
    case rWeekly:
    case rMonthlyPos:
    case rMonthlyDay:
    case rYearlyMonth:
    case rYearlyDay:
    case rYearlyPos: {
      QDate afterDate = afterDateTime.date();
      if (!mFloats && mRecurStart.time() < afterDateTime.time())
        afterDate = afterDate.addDays(1);
      return QDateTime(getPreviousDateNoTime(afterDate, last), mRecurStart.time());
    }
    default:
      return QDateTime();
  }
  // It's a sub-daily recurrence
  if (afterDateTime <= mRecurStart)
    return QDateTime();
  int count = (mRecurStart.secsTo(afterDateTime) - 1) / freq + 1;
  if (rDuration > 0) {
    if (count > rDuration)
      count = rDuration;
    if (last && count == rDuration)
      *last = true;
  }
  QDateTime endtime = mRecurStart.addSecs((count - 1)*freq);
  if (rDuration == 0) {
    if (endtime > rEndDateTime)
      endtime = rEndDateTime;
    if (last && endtime == rEndDateTime)
      *last = true;
  }
  return endtime;
 }
 QDate Recurrence::getPreviousDate(const QDate &afterDate, bool *last) const
 {
  if (last)
        *last = false;
  switch (recurs)
  {
    case rMinutely:
    case rHourly:
      return getPreviousDateTime(QDateTime(afterDate, QTime(0,0,0)), last).date();
    case rDaily:
    case rWeekly:
    case rMonthlyPos:
    case rMonthlyDay:
    case rYearlyMonth:
    case rYearlyDay:
    case rYearlyPos:
      return getPreviousDateNoTime(afterDate, last);
    default:
      return QDate();
  }
 }
 /***************************** PROTECTED FUNCTIONS ***************************/
 bool Recurrence::recursSecondly(const QDate &qd, int secondFreq) const
 {
  if ((qd >= mRecurStart.date()) &&
      ((rDuration > 0) && (qd <= endDate()) ||
       ((rDuration == 0) && (qd <= rEndDateTime.date())) ||
       (rDuration == -1))) {
    // The date queried falls within the range of the event.
    if (secondFreq < 24*3600)
      return true;      // the event recurs at least once each day
-    int after = mRecurStart.secsTo(QDateTime(qd));
+    int after = mRecurStart.secsTo(QDateTime(qd)) - 1;
    if (after / secondFreq != (after + 24*3600) / secondFreq)
      return true;
  }
  return false;
 }
 bool Recurrence::recursMinutelyAt(const QDateTime &dt, int minuteFreq) const
 {
  if ((dt >= mRecurStart) &&
      ((rDuration > 0) && (dt <= endDateTime()) ||
       ((rDuration == 0) && (dt <= rEndDateTime)) ||
       (rDuration == -1))) {
    // The time queried falls within the range of the event.
    if (((mRecurStart.secsTo(dt) / 60) % minuteFreq) == 0)
      return true;
  }
  return false;
 }
 bool Recurrence::recursDaily(const QDate &qd) const
 {
  QDate dStart = mRecurStart.date();
  if ((dStart.daysTo(qd) % rFreq) == 0) {
    // The date is a day which recurs
    if (qd >= dStart
    &&  ((rDuration > 0 && qd <= endDate()) ||
         (rDuration == 0 && qd <= rEndDateTime.date()) ||
         rDuration == -1)) {
      // The date queried falls within the range of the event.
      return true;
    }
  }
  return false;
 }
 bool Recurrence::recursWeekly(const QDate &qd) const
 {
  QDate dStart = mRecurStart.date();
  if ((dStart.daysTo(qd)/7) % rFreq == 0) {
    // The date is in a week which recurs
    if (qd >= dStart
    && ((rDuration > 0 && qd <= endDate()) ||
        (rDuration == 0 && qd <= rEndDateTime.date()) ||
        rDuration == -1)) {
      // The date queried falls within the range of the event.
      // check if the bits set match today.
      int i = qd.dayOfWeek()-1;
      if (rDays.testBit((uint) i))
        return true;
    }
  }
  return false;
 }
 bool Recurrence::recursMonthly(const QDate &qd) const
 {
  QDate dStart = mRecurStart.date();
  int year  = qd.year();
  int month = qd.month();
  int day   = qd.day();
  // calculate how many months ahead this date is from the original
  // event's date
  int monthsAhead = (year - dStart.year()) * 12 + (month - dStart.month());
  if ((monthsAhead % rFreq) == 0) {
    // The date is in a month which recurs
    if (qd >= dStart
    &&  ((rDuration > 0 && qd <= endDate()) ||
         (rDuration == 0 && qd <= rEndDateTime.date()) ||
         rDuration == -1)) {
      // The date queried falls within the range of the event.
      QValueList<int> days;
      int daysInMonth = qd.daysInMonth();
      if (recurs == rMonthlyDay)
        getMonthlyDayDays(days, daysInMonth);
      else if (recurs == rMonthlyPos)
        getMonthlyPosDays(days, daysInMonth, QDate(year, month, 1).dayOfWeek());
      for (QValueList<int>::Iterator it = days.begin();  it != days.end();  ++it) {
        if (*it == day)
          return true;
      }
      // no dates matched
    }
  }
  return false;
 }
 bool Recurrence::recursYearlyByMonth(const QDate &qd) const
 {
  QDate dStart = mRecurStart.date();
  int startDay = dStart.day();
  int qday     = qd.day();
  int qmonth   = qd.month();
  int qyear    = qd.year();
  bool match = (qday == startDay);
  if (!match && startDay == 29 && dStart.month() == 2) {
    // It's a recurrence on February 29th
    switch (mFeb29YearlyType) {
      case rFeb28:
        if (qday == 28 && qmonth == 2 && !QDate::leapYear(qyear))
          match = true;
        break;
      case rMar1:
        if (qday == 1 && qmonth == 3 && !QDate::leapYear(qyear)) {
          qmonth = 2;
          match = true;
        }
        break;
      case rFeb29:
        break;
    }
  }
  if (match) {
    // The day of the month matches. Calculate how many years ahead
    // this date is from the original event's date.
    int yearsAhead = (qyear - dStart.year());
    if (yearsAhead % rFreq == 0) {
      // The date is in a year which recurs
      if (qd >= dStart
      &&  ((rDuration > 0 && qd <= endDate()) ||
           (rDuration == 0 && qd <= rEndDateTime.date()) ||
           rDuration == -1)) {
        // The date queried falls within the range of the event.
        int i = qmonth;
        for (QPtrListIterator<int> qlin(rYearNums); qlin.current(); ++qlin) {
          if (i == *qlin.current())
            return true;
        }
      }
    }
  }
  return false;
 }
 bool Recurrence::recursYearlyByPos(const QDate &qd) const
 {
  QDate dStart = mRecurStart.date();
  int year  = qd.year();
  int month = qd.month();
  int day   = qd.day();
  // calculate how many years ahead this date is from the original
  // event's date
  int yearsAhead = (year - dStart.year());
  if (yearsAhead % rFreq == 0) {
    // The date is in a year which recurs
    if (qd >= dStart
    &&  ((rDuration > 0 && qd <= endDate()) ||
         (rDuration == 0 && qd <= rEndDateTime.date()) ||
         rDuration == -1)) {
      // The date queried falls within the range of the event.
      for (QPtrListIterator<int> qlin(rYearNums); qlin.current(); ++qlin) {
        if (month == *qlin.current()) {
          // The month recurs
          QValueList<int> days;
          getMonthlyPosDays(days, qd.daysInMonth(), QDate(year, month, 1).dayOfWeek());
          for (QValueList<int>::Iterator it = days.begin();  it != days.end();  ++it) {
            if (*it == day)
              return true;
          }
        }
      }
    }
  }
  return false;
 }
 bool Recurrence::recursYearlyByDay(const QDate &qd) const
 {
  QDate dStart = mRecurStart.date();
  // calculate how many years ahead this date is from the original
  // event's date
  int yearsAhead = (qd.year() - dStart.year());
  if (yearsAhead % rFreq == 0) {
    // The date is in a year which recurs
    if (qd >= dStart
    &&  ((rDuration > 0 && qd <= endDate()) ||
         (rDuration == 0 && qd <= rEndDateTime.date()) ||
         rDuration == -1)) {
      // The date queried falls within the range of the event.
      int i = qd.dayOfYear();
      for (QPtrListIterator<int> qlin(rYearNums); qlin.current(); ++qlin) {
        if (i == *qlin.current())
          return true;
      }
    }
  }
  return false;
 }
 /* Get the date of the next recurrence, after the specified date.
 * If 'last' is non-null, '*last' is set to true if the next recurrence is the
 * last recurrence, else false.
 * Reply = date of next recurrence, or invalid date if none.
 */
 QDate Recurrence::getNextDateNoTime(const QDate &preDate, bool *last) const
 {
    
  if (last)
    *last = false;
  QDate dStart = mRecurStart.date();
  if (preDate < dStart)
    return dStart;
  QDate earliestDate = preDate.addDays(1);
  QDate nextDate;
  switch (recurs) {
    case rDaily:
      nextDate = dStart.addDays((dStart.daysTo(preDate)/rFreq + 1) * rFreq);
      break;
    case rWeekly: {
-      QDate start = dStart.addDays(1 - dStart.dayOfWeek());   // start of week for dStart
+      QDate start = dStart.addDays(-((dStart.dayOfWeek() - rWeekStart + 7)%7));  // start of week for dStart
      int earliestDayOfWeek = earliestDate.dayOfWeek();
      int weeksAhead = start.daysTo(earliestDate) / 7;
      int notThisWeek = weeksAhead % rFreq;    // zero if this week is a recurring week
      weeksAhead -= notThisWeek;               // latest week which recurred
      int weekday = 0;
      // First check for any remaining day this week, if this week is a recurring week
      if (!notThisWeek)
        weekday = getFirstDayInWeek(earliestDayOfWeek);
      // Check for a day in the next scheduled week
-      if (!weekday  &&  earliestDayOfWeek > 1)
+      if (!weekday )
        weekday = getFirstDayInWeek(rWeekStart) + rFreq*7;
-      if (weekday)
+      nextDate = start.addDays(weeksAhead*7 + weekday - 1);
-        nextDate = start.addDays(weeksAhead*7 + weekday - 1);
      break;
    }
    case rMonthlyDay:
    case rMonthlyPos: {
      int startYear  = dStart.year();
      int startMonth = dStart.month();     // 1..12
      int earliestYear = earliestDate.year();
      int monthsAhead = (earliestYear - startYear)*12 + earliestDate.month() - startMonth;
      int notThisMonth = monthsAhead % rFreq;    // zero if this month is a recurring month
      monthsAhead -= notThisMonth;               // latest month which recurred
      // Check for the first later day in the current month
      if (!notThisMonth)
        nextDate = getFirstDateInMonth(earliestDate);
-      if (!nextDate.isValid()  &&  earliestDate.day() > 1) {
+      if (!nextDate.isValid() ) {
        // Check for a day in the next scheduled month
        int months = startMonth - 1 + monthsAhead + rFreq;
        nextDate = getFirstDateInMonth(QDate(startYear + months/12, months%12 + 1, 1));
      }
      break;
    }
    case rYearlyMonth:
    case rYearlyPos:
    case rYearlyDay: {
      int startYear  = dStart.year();
      int yearsAhead = earliestDate.year() - startYear;
      int notThisYear = yearsAhead % rFreq;   // zero if this year is a recurring year
      yearsAhead -= notThisYear;              // latest year which recurred
      // Check for the first later date in the current year
      if (!notThisYear)
        nextDate = getFirstDateInYear(earliestDate);
      // Check for a date in the next scheduled year
      if (!nextDate.isValid()  &&  earliestDate.dayOfYear() > 1)
        nextDate = getFirstDateInYear(QDate(startYear + yearsAhead + rFreq, 1, 1));
      break;
    }
    case rNone:
    default:
      return QDate();
  }
  if (rDuration >= 0 && nextDate.isValid()) {
    // Check that the date found is within the range of the recurrence
    QDate end = endDate();
    if (nextDate > end)
      return QDate();
    if (last  &&  nextDate == end)
      *last = true;
  }
  return nextDate;
 }
 /* Get the date of the last previous recurrence, before the specified date.
 * Reply = date of previous recurrence, or invalid date if none.
 */
 QDate Recurrence::getPreviousDateNoTime(const QDate &afterDate, bool *last) const
 {
  if (last)
    *last = false;
  QDate dStart = mRecurStart.date();
  QDate latestDate = afterDate.addDays(-1);
  if (latestDate < dStart)
    return QDate();
  QDate prevDate;
  switch (recurs) {
    case rDaily:
      prevDate = dStart.addDays((dStart.daysTo(latestDate) / rFreq) * rFreq);
      break;
    case rWeekly: {
-      QDate start = dStart.addDays(1 - dStart.dayOfWeek());   // start of week for dStart
+        QDate start = dStart.addDays(-((dStart.dayOfWeek() - rWeekStart + 7)%7));  // start of week for dStart
-      int latestDayOfWeek = latestDate.dayOfWeek();
+        int latestDayOfWeek = latestDate.dayOfWeek();
      int weeksAhead = start.daysTo(latestDate) / 7;
      int notThisWeek = weeksAhead % rFreq;    // zero if this week is a recurring week
      weeksAhead -= notThisWeek;               // latest week which recurred
      int weekday = 0;
      // First check for any previous day this week, if this week is a recurring week
      if (!notThisWeek)
        weekday = getLastDayInWeek(latestDayOfWeek);
      // Check for a day in the previous scheduled week
      if (!weekday) {
+        if (!notThisWeek)
+          weeksAhead -= rFreq;
        int weekEnd = (rWeekStart + 5)%7 + 1;
-        if (latestDayOfWeek < weekEnd) {
+        weekday = getLastDayInWeek(weekEnd);
-          if (!notThisWeek)
-            weeksAhead -= rFreq;
-          weekday = getLastDayInWeek(weekEnd);
-        }
      }
      if (weekday)
        prevDate = start.addDays(weeksAhead*7 + weekday - 1);
      break;
    }
    case rMonthlyDay:
    case rMonthlyPos: {
      int startYear  = dStart.year();
      int startMonth = dStart.month();     // 1..12
      int latestYear = latestDate.year();
      int monthsAhead = (latestYear - startYear)*12 + latestDate.month() - startMonth;
      int notThisMonth = monthsAhead % rFreq;    // zero if this month is a recurring month
      monthsAhead -= notThisMonth;               // latest month which recurred
      // Check for the last earlier day in the current month
      if (!notThisMonth)
        prevDate = getLastDateInMonth(latestDate);
      if (!prevDate.isValid()  &&  latestDate.day() < latestDate.daysInMonth()) {
        // Check for a day in the previous scheduled month
        if (!notThisMonth)
          monthsAhead -= rFreq;
        int months = startMonth + monthsAhead;   // get the month after the one that recurs
        prevDate = getLastDateInMonth(QDate(startYear + months/12, months%12 + 1, 1).addDays(-1));
      }
      break;
    }
    case rYearlyMonth:
    case rYearlyPos:
    case rYearlyDay: {
      int startYear  = dStart.year();
      int yearsAhead = latestDate.year() - startYear;
      int notThisYear = yearsAhead % rFreq;   // zero if this year is a recurring year
      yearsAhead -= notThisYear;              // latest year which recurred
      // Check for the first later date in the current year
      if (!notThisYear)
        prevDate = getLastDateInYear(latestDate);
      if (!prevDate.isValid()  &&  latestDate.dayOfYear() < latestDate.daysInYear()) {
        // Check for a date in the next scheduled year
        if (!notThisYear)
          yearsAhead -= rFreq;
        prevDate = getLastDateInYear(QDate(startYear + yearsAhead, 12, 31));
      }
      break;
    }
    case rNone:
    default:
      return QDate();
  }
  if (prevDate.isValid()) {
    // Check that the date found is within the range of the recurrence
    if (prevDate < dStart)
      return QDate();
    if (rDuration >= 0) {
      QDate end = endDate();
      if (prevDate >= end) {
        if (last)
          *last = true;
        return end;
      }
    }
  }
  return prevDate;
 }
 void Recurrence::setDailySub(short type, int freq, int duration)
 {
  recurs = type;
  rFreq = freq;
  rDuration = duration;
  rMonthPositions.clear();
  rMonthDays.clear();
  rYearNums.clear();
  if (type != rDaily)
    mFloats = false;     // sub-daily types can't be floating
  if (mParent) mParent->updated();
 }
 void Recurrence::setYearly_(short type, Feb29Type feb29type, int freq, int duration)
 {
  recurs = type;
  if (mCompatVersion < 310 && type == rYearlyDay) {
    mCompatRecurs = rYearlyDay;
    recurs = rYearlyMonth;      // convert old yearly-by-day to yearly-by-month
    feb29type = rMar1;          // retain the same day number in the year
  }
  mFeb29YearlyType = feb29type;
  rFreq = freq;
  rDuration = duration;
  if (type != rYearlyPos)
    rMonthPositions.clear();
  rMonthDays.clear();
  if (mParent) mParent->updated();
 }
 int Recurrence::recurCalc(PeriodFunc func, QDateTime &endtime) const
 {
  QDate enddate = endtime.date();
  switch (func) {
    case END_DATE_AND_COUNT:
      if (rDuration < 0) {
        endtime = QDateTime();
        return 0;    // infinite recurrence
      }
      if (rDuration == 0) {
        endtime = rEndDateTime;
        func = COUNT_TO_DATE;
      }
      break;
    case COUNT_TO_DATE:
      // Count recurrences up to and including the specified date/time.
      if (endtime < mRecurStart)
        return 0;
      if (rDuration == 0 && endtime > rEndDateTime)
        enddate = rEndDateTime.date();
      else if (!mFloats && mRecurStart.time() > endtime.time())
        enddate = enddate.addDays(-1);
      break;
    case NEXT_AFTER_DATE:
      // Find next recurrence AFTER endtime
      if (endtime < mRecurStart) {
        endtime = mRecurStart;
        return 1;
      }
      if (rDuration == 0 && endtime >= rEndDateTime) {
        endtime = QDateTime();
        return 0;
      }
      if (!mFloats && mRecurStart.time() > endtime.time())
        enddate = enddate.addDays(-1);
      break;
    default:
      endtime = QDateTime();
      return 0;
  }
  int count = 0;     // default = error
  bool timed = false;
  switch (recurs) {
    case rMinutely:
      timed = true;
      count = secondlyCalc(func, endtime, rFreq*60);
      break;
    case rHourly:
      timed = true;
      count = secondlyCalc(func, endtime, rFreq*3600);
      break;
    case rDaily:
      count = dailyCalc(func, enddate);
      break;
    case rWeekly:
      count = weeklyCalc(func, enddate);
      break;
    case rMonthlyPos:
    case rMonthlyDay:
      count = monthlyCalc(func, enddate);
      break;
    case rYearlyMonth:
      count = yearlyMonthCalc(func, enddate);
      break;
    case rYearlyPos:
      count = yearlyPosCalc(func, enddate);
      break;
    case rYearlyDay:
      count = yearlyDayCalc(func, enddate);
      break;
    default:
      break;
  }
  switch (func) {
    case END_DATE_AND_COUNT:
    case NEXT_AFTER_DATE:
      if (count == 0)
        endtime = QDateTime();
      else if (!timed) {
        endtime.setDate(enddate);
        endtime.setTime(mRecurStart.time());
      }
      break;
    case COUNT_TO_DATE:
      break;
  }
  return count;
 }
 int Recurrence::recurCalc(PeriodFunc func, QDate &enddate) const
 {
  QDateTime endtime(enddate, QTime(23,59,59));
  switch (func) {
    case END_DATE_AND_COUNT:
      if (rDuration < 0) {
        enddate = QDate();
        return 0;    // infinite recurrence
      }
      if (rDuration == 0) {
        enddate = rEndDateTime.date();
        func = COUNT_TO_DATE;
      }
      break;
    case COUNT_TO_DATE:
      // Count recurrences up to and including the specified date.
      if (enddate < mRecurStart.date())
        return 0;
      if (rDuration == 0 && enddate > rEndDateTime.date()) {
        enddate = rEndDateTime.date();
        endtime.setDate(enddate);
      }
      break;
    case NEXT_AFTER_DATE:
      if (enddate < mRecurStart.date()) {
        enddate = mRecurStart.date();
        return 1;
      }
      if (rDuration == 0 && enddate >= rEndDateTime.date()) {
        enddate = QDate();
        return 0;
      }
      break;
    default:
      enddate = QDate();
      return 0;
  }
  int count = 0;     // default = error
  bool timed = false;
  switch (recurs) {
    case rMinutely:
      timed = true;
      count = secondlyCalc(func, endtime, rFreq*60);
      break;
    case rHourly:
      timed = true;
      count = secondlyCalc(func, endtime, rFreq*3600);
      break;
    case rDaily:
      count = dailyCalc(func, enddate);
      break;
    case rWeekly:
      count = weeklyCalc(func, enddate);
      break;
    case rMonthlyPos:
    case rMonthlyDay:
      count = monthlyCalc(func, enddate);
      break;
    case rYearlyMonth:
      count = yearlyMonthCalc(func, enddate);
      break;
    case rYearlyPos:
      count = yearlyPosCalc(func, enddate);
      break;
    case rYearlyDay:
      count = yearlyDayCalc(func, enddate);
      break;
    default:
      break;
  }
  switch (func) {
    case END_DATE_AND_COUNT:
    case NEXT_AFTER_DATE:
      if (count == 0)
        endtime = QDate();
      else if (timed)
        enddate = endtime.date();
      break;
    case COUNT_TO_DATE:
      break;
  }
  return count;
 }
 /* Find count and, depending on 'func', the end date/time of a secondly recurrence.
 * Reply = total number of occurrences up to 'endtime', or 0 if error.
 * If 'func' = END_DATE_AND_COUNT or NEXT_AFTER_DATE, 'endtime' is updated to the
 * recurrence end date/time.
 */
 int Recurrence::secondlyCalc(PeriodFunc func, QDateTime &endtime, int freq) const
 {
  switch (func) {
    case END_DATE_AND_COUNT:
      endtime = mRecurStart.addSecs((rDuration + mRecurExDatesCount - 1) * freq);
      return rDuration + mRecurExDatesCount;
    case COUNT_TO_DATE: {
      int n = mRecurStart.secsTo(endtime)/freq + 1;
      if (rDuration > 0 && n > rDuration + mRecurExDatesCount)
        return rDuration + mRecurExDatesCount;
      return n;
    }
    case NEXT_AFTER_DATE: {
      int count = mRecurStart.secsTo(endtime) / freq + 2;
      if (rDuration > 0 && count > rDuration)
        return 0;
      endtime = mRecurStart.addSecs((count - 1)*freq);
      return count;
    }
  }
  return 0;
 }
 /* Find count and, depending on 'func', the end date of a daily recurrence.
 * Reply = total number of occurrences up to 'enddate', or 0 if error.
 * If 'func' = END_DATE_AND_COUNT or NEXT_AFTER_DATE, 'enddate' is updated to the
 * recurrence end date.
 */
 int Recurrence::dailyCalc(PeriodFunc func, QDate &enddate) const
 {
  QDate dStart = mRecurStart.date();
  switch (func) {
    case END_DATE_AND_COUNT:
      enddate = dStart.addDays((rDuration + mRecurExDatesCount - 1) * rFreq);
      return rDuration + mRecurExDatesCount;
    case COUNT_TO_DATE: {
      int n = dStart.daysTo(enddate)/rFreq + 1;
      if (rDuration > 0 && n > rDuration + mRecurExDatesCount)
        return rDuration + mRecurExDatesCount;
      return n;
    }
    case NEXT_AFTER_DATE: {
      int count = dStart.daysTo(enddate) / rFreq + 2;
      if (rDuration > 0 && count > rDuration)
        return 0;
      enddate = dStart.addDays((count - 1)*rFreq);
      return count;
    }
  }
  return 0;
 }
 /* Find count and, depending on 'func', the end date of a weekly recurrence.
 * Reply = total number of occurrences up to 'enddate', or 0 if error.
 * If 'func' = END_DATE_AND_COUNT or NEXT_AFTER_DATE, 'enddate' is updated to the
 * recurrence end date.
 */
 int Recurrence::weeklyCalc(PeriodFunc func, QDate &enddate) const
 {
  int daysPerWeek = 0;
  for (int i = 0;  i < 7;  ++i) {
    if (rDays.testBit((uint)i))
      ++daysPerWeek;
  }
  if (!daysPerWeek)
    return 0;     // there are no days to recur on
  switch (func) {
    case END_DATE_AND_COUNT:
      return weeklyCalcEndDate(enddate, daysPerWeek);
    case COUNT_TO_DATE:
      return weeklyCalcToDate(enddate, daysPerWeek);
    case NEXT_AFTER_DATE:
      return weeklyCalcNextAfter(enddate, daysPerWeek);
  }
  return 0;
 }
 int Recurrence::weeklyCalcEndDate(QDate &enddate, int daysPerWeek) const
 {
  int startDayOfWeek = mRecurStart.date().dayOfWeek();     // 1..7
  int countGone = 0;
  int daysGone = 0;
  uint countTogo = rDuration + mRecurExDatesCount;
  if (startDayOfWeek != rWeekStart) {
    // Check what remains of the start week
    for (int i = startDayOfWeek - 1;  i != rWeekStart - 1;  i = (i + 1) % 7) {
          ++daysGone;
      if (rDays.testBit((uint)i)) {
        ++countGone;
        if (--countTogo == 0)
          break;
      }
    }
    daysGone += 7 * (rFreq - 1);
  }
  if (countTogo) {
    // Skip the remaining whole weeks
    // Leave at least 1 recurrence remaining, in order to get its date
    int wholeWeeks = (countTogo - 1) / daysPerWeek;
    daysGone += wholeWeeks * 7 * rFreq;
    countGone += wholeWeeks * daysPerWeek;
    countTogo -= wholeWeeks * daysPerWeek;
    // Check the last week in the recurrence
    for (int i = rWeekStart - 1;  ;  i = (i + 1) % 7) {
          ++daysGone;
      if (rDays.testBit((uint)i)) {
        ++countGone;
        if (--countTogo == 0) 
          break;
      }
    }
  }
  enddate = mRecurStart.date().addDays(daysGone);
  return countGone;
 }
 int Recurrence::weeklyCalcToDate(const QDate &enddate, int daysPerWeek) const
 {
  QDate dStart = mRecurStart.date();
  int startDayOfWeek = dStart.dayOfWeek();     // 1..7
  int countGone = 0;
  int daysGone  = 0;
  int totalDays = dStart.daysTo(enddate) + 1;
  int countMax  = (rDuration > 0) ? rDuration + mRecurExDatesCount : INT_MAX;
  if (startDayOfWeek != rWeekStart) {
    // Check what remains of the start week
    for (int i = startDayOfWeek - 1;  i != rWeekStart - 1;  i = (i + 1) % 7) {
      if (rDays.testBit((uint)i)) {
        if (++countGone >= countMax)
          return countMax;
      }
      if (++daysGone == totalDays)
        return countGone;
    }
    daysGone += 7 * (rFreq - 1);
    if (daysGone >= totalDays)
      return countGone;
  }
  // Skip the remaining whole weeks
  int wholeWeeks = (totalDays - daysGone) / 7;
  countGone += (wholeWeeks / rFreq) * daysPerWeek;
  if (countGone >= countMax)
    return countMax;
  daysGone += wholeWeeks * 7;
  if (daysGone >= totalDays     // have we reached the end date?
  ||  wholeWeeks % rFreq)       // is end week a recurrence week?
    return countGone;
  // Check the last week in the recurrence
  for (int i = rWeekStart - 1;  ;  i = (i + 1) % 7) {
    if (rDays.testBit((uint)i)) {
      if (++countGone >= countMax)
        return countMax;
    }
    if (++daysGone == totalDays)
      return countGone;
  }
  return countGone;
 }
 int Recurrence::weeklyCalcNextAfter(QDate &enddate, int daysPerWeek) const
 {
  QDate dStart = mRecurStart.date();
  int  startDayOfWeek = dStart.dayOfWeek();     // 1..7
  int  totalDays = dStart.daysTo(enddate) + 1;
  uint countTogo = (rDuration > 0) ? rDuration + mRecurExDatesCount : UINT_MAX;
  int  countGone = 0;
  int  daysGone = 0;
  int recurWeeks;
  if (startDayOfWeek != rWeekStart) {
    // Check what remains of the start week
    for (int i = startDayOfWeek - 1;  i != rWeekStart - 1;  i = (i + 1) % 7) {
      ++daysGone;
      if (rDays.testBit((uint)i)) {
        ++countGone;
        if (daysGone > totalDays)
          goto ex;
        if (--countTogo == 0)
          return 0;
      }
    }
    daysGone += 7 * (rFreq - 1);
  }
  // Skip the remaining whole weeks
  recurWeeks = (totalDays - daysGone) / (7 * rFreq);
  if (recurWeeks) {
    int n = recurWeeks * daysPerWeek;
    if (static_cast<uint>(n) > countTogo)
        return 0;     // reached end of recurrence
    countGone += n;
    countTogo -= n;
   daysGone += recurWeeks * 7 * rFreq;
  }
  // Check the last week or two in the recurrence
  for ( ; ; ) {
    for (int i = rWeekStart - 1;  ;  i = (i + 1) % 7) {
      ++daysGone;
      if (rDays.testBit((uint)i)) {
        ++countGone;
        if (daysGone > totalDays)
          goto ex;
        if (--countTogo == 0)
          return 0;
      }
    }
    daysGone += 7 * (rFreq - 1);
  }
 ex:
  enddate = dStart.addDays(daysGone);
  return countGone;
 }
 /* Find count and, depending on 'func', the end date of a monthly recurrence.
 * Reply = total number of occurrences up to 'enddate', or 0 if error.
 * If 'func' = END_DATE_AND_COUNT or NEXT_AFTER_DATE, 'enddate' is updated to the
 * recurrence end date.
 */
 struct Recurrence::MonthlyData {
    const Recurrence *recurrence;
    int               year;          // current year
    int               month;         // current month 0..11
    int               day;           // current day of month 1..31
    bool              varies;        // true if recurring days vary between different months
  private:
    QValueList<int>   days28, days29, days30, days31;   // recurring days in months of each length
    QValueList<int>  *recurDays[4];
  public:
    MonthlyData(const Recurrence* r, const QDate &date)
             : recurrence(r), year(date.year()), month(date.month()-1), day(date.day())
             { recurDays[0] = &days28;
               recurDays[1] = &days29;
               recurDays[2] = &days30;
               recurDays[3] = &days31;
               varies = (recurrence->recurs == rMonthlyPos)
                        ? true : recurrence->getMonthlyDayDays(days31, 31);
             }
    const QValueList<int>* dayList() const {
            if (!varies)
              return &days31;
            QDate startOfMonth(year, month + 1, 1);
            int daysInMonth = startOfMonth.daysInMonth();
            QValueList<int>* days = recurDays[daysInMonth - 28];
            if (recurrence->recurs == rMonthlyPos)
              recurrence->getMonthlyPosDays(*days, daysInMonth, startOfMonth.dayOfWeek());
            else if (days->isEmpty())
              recurrence->getMonthlyDayDays(*days, daysInMonth);
            return days;
    }
    int    yearMonth() const    { return year*12 + month; }
    void   addMonths(int diff)  { month += diff;  year += month / 12;  month %= 12; }
    QDate  date() const         { return QDate(year, month + 1, day); }
 };
 int Recurrence::monthlyCalc(PeriodFunc func, QDate &enddate) const
 {
  if (recurs == rMonthlyPos && rMonthPositions.isEmpty()
  ||  recurs == rMonthlyDay && rMonthDays.isEmpty())
    return 0;
  MonthlyData data(this, mRecurStart.date());
  switch (func) {
    case END_DATE_AND_COUNT:
      return monthlyCalcEndDate(enddate, data);
    case COUNT_TO_DATE:
      return monthlyCalcToDate(enddate, data);
    case NEXT_AFTER_DATE:
      return monthlyCalcNextAfter(enddate, data);
  }
  return 0;
 }
 int Recurrence::monthlyCalcEndDate(QDate &enddate, MonthlyData &data) const
 {
  uint countTogo = rDuration + mRecurExDatesCount;
  int  countGone = 0;
  QValueList<int>::ConstIterator it;
  const QValueList<int>* days = data.dayList();
  if (data.day > 1) {
    // Check what remains of the start month
    for (it = days->begin();  it != days->end();  ++it) {
      if (*it >= data.day) {
        ++countGone;
        if (--countTogo == 0) {
          data.day = *it;
          break;
        }
      }
    }
    if (countTogo) {
      data.day = 1;
      data.addMonths(rFreq);
    }
  }
  if (countTogo) {
    if (data.varies) {
      // The number of recurrence days varies from month to month,
      // so we need to check month by month.
      for ( ; ; ) {
        days = data.dayList();
        uint n = days->count();    // number of recurrence days in this month
        if (n >= countTogo)
          break;
        countTogo -= n;
        countGone += n;
        data.addMonths(rFreq);
      }
    } else {
      // The number of recurrences is the same every month,
      // so skip the month-by-month check.
      // Skip the remaining whole months, but leave at least
      // 1 recurrence remaining, in order to get its date.
      int daysPerMonth = days->count();
      int wholeMonths = (countTogo - 1) / daysPerMonth;
      data.addMonths(wholeMonths * rFreq);
      countGone += wholeMonths * daysPerMonth;
      countTogo -= wholeMonths * daysPerMonth;
    }
    if (countTogo) {
      // Check the last month in the recurrence
      for (it = days->begin();  it != days->end();  ++it) {
        ++countGone;
        if (--countTogo == 0) {
          data.day = *it;
          break;
        }
      }
    }
  }
  enddate = data.date();
  return countGone;
 }
 int Recurrence::monthlyCalcToDate(const QDate &enddate, MonthlyData &data) const
 {
  int countGone = 0;
  int countMax  = (rDuration > 0) ? rDuration + mRecurExDatesCount : INT_MAX;
  int endYear  = enddate.year();
  int endMonth = enddate.month() - 1;     // zero-based
  int endDay   = enddate.day();
  int endYearMonth = endYear*12 + endMonth;
  QValueList<int>::ConstIterator it;
  const QValueList<int>* days = data.dayList();
  if (data.day > 1) {
    // Check what remains of the start month
    for (it = days->begin();  it != days->end();  ++it) {
      if (*it >= data.day) {
        if (data.yearMonth() == endYearMonth && *it > endDay)
          return countGone;
        if (++countGone >= countMax)
          return countMax;
      }
    }
    data.day = 1;
    data.addMonths(rFreq);
  }
  if (data.varies) {
    // The number of recurrence days varies from month to month,
    // so we need to check month by month.
    while (data.yearMonth() < endYearMonth) {
      countGone += data.dayList()->count();
      if (countGone >= countMax)
        return countMax;
      data.addMonths(rFreq);
    }
    days = data.dayList();
  } else {
    // The number of recurrences is the same every month,
    // so skip the month-by-month check.
    // Skip the remaining whole months.
    int daysPerMonth = days->count();
    int wholeMonths = endYearMonth - data.yearMonth();
    countGone += (wholeMonths / rFreq) * daysPerMonth;
    if (countGone >= countMax)
      return countMax;
    if (wholeMonths % rFreq)
      return countGone;      // end year isn't a recurrence year
    data.year  = endYear;
    data.month = endMonth;
  }
  // Check the last month in the recurrence
  for (it = days->begin();  it != days->end();  ++it) {
    if (*it > endDay)
      return countGone;
    if (++countGone >= countMax)
      return countMax;
  }
  return countGone;
 }
 int Recurrence::monthlyCalcNextAfter(QDate &enddate, MonthlyData &data) const
 {
  uint countTogo = (rDuration > 0) ? rDuration + mRecurExDatesCount : UINT_MAX;
  int countGone = 0;
  int endYear = enddate.year();
  int endDay  = enddate.day();
  int endYearMonth = endYear*12 + enddate.month() - 1;
  QValueList<int>::ConstIterator it;
  const QValueList<int>* days = data.dayList();
  if (data.day > 1) {
    // Check what remains of the start month
    for (it = days->begin();  it != days->end();  ++it) {
      if (*it >= data.day) {
        ++countGone;
        if (data.yearMonth() == endYearMonth && *it > endDay) {
          data.day = *it;
          goto ex;
        }
        if (--countTogo == 0)
          return 0;
      }
    }
    data.day = 1;
    data.addMonths(rFreq);
  }
  if (data.varies) {
    // The number of recurrence days varies from month to month,
    // so we need to check month by month.
    while (data.yearMonth() <= endYearMonth) {
      days = data.dayList();
      uint n = days->count();    // number of recurrence days in this month
      if (data.yearMonth() == endYearMonth && days->last() > endDay)
        break;
      if (n >= countTogo)
        return 0;
      countGone += n;
      countTogo -= n;
      data.addMonths(rFreq);
    }
    days = data.dayList();
  } else {
    // The number of recurrences is the same every month,
    // so skip the month-by-month check.
    // Skip the remaining whole months to at least end year/month.
    int daysPerMonth = days->count();
    int elapsed = endYearMonth - data.yearMonth();
    int recurMonths = (elapsed + rFreq - 1) / rFreq;
    if (elapsed % rFreq == 0  &&  days->last() <= endDay)
      ++recurMonths;    // required month is after endYearMonth
    if (recurMonths) {
      int n = recurMonths * daysPerMonth;
      if (static_cast<uint>(n) > countTogo)
        return 0;     // reached end of recurrence
      countTogo -= n;
      countGone += n;
      data.addMonths(recurMonths * rFreq);
    }
  }
  // Check the last month in the recurrence
  for (it = days->begin();  it != days->end();  ++it) {
    ++countGone;
    if (data.yearMonth() > endYearMonth  ||  *it > endDay) {
      data.day = *it;
      break;
    }
    if (--countTogo == 0)
      return 0;
  }
 ex:
  enddate = data.date();
  return countGone;
 }
 /* Find count and, depending on 'func', the end date of an annual recurrence by date.
 * Reply = total number of occurrences up to 'enddate', or 0 if error.
 * If 'func' = END_DATE_AND_COUNT or NEXT_AFTER_DATE, 'enddate' is updated to the
 * recurrence end date.
 */
 struct Recurrence::YearlyMonthData {
    const Recurrence *recurrence;
    int               year;          // current year
    int               month;         // current month 1..12
    int               day;           // current day of month 1..31
    bool              leapyear;      // true if February 29th recurs and current year is a leap year
    bool              feb29;         // true if February 29th recurs
  private:
    QValueList<int>   months;        // recurring months in non-leap years  1..12
    QValueList<int>   leapMonths;    // recurring months in leap years  1..12
  public:
    YearlyMonthData(const Recurrence* r, const QDate &date)
          : recurrence(r), year(date.year()), month(date.month()), day(date.day())
          { feb29 = recurrence->getYearlyMonthMonths(day, months, leapMonths);
            leapyear = feb29 && QDate::leapYear(year);
          }
    const QValueList<int>* monthList() const
                         { return leapyear ? &leapMonths : &months; }
    const QValueList<int>* leapMonthList() const  { return &leapMonths; }
    QDate            date() const  { return QDate(year, month, day); }
 };
 int Recurrence::yearlyMonthCalc(PeriodFunc func, QDate &enddate) const
 {
  if (rYearNums.isEmpty())
    return 0;
  YearlyMonthData data(this, mRecurStart.date());
  switch (func) {
    case END_DATE_AND_COUNT:
      return yearlyMonthCalcEndDate(enddate, data);
    case COUNT_TO_DATE:
      return yearlyMonthCalcToDate(enddate, data);
    case NEXT_AFTER_DATE:
      return yearlyMonthCalcNextAfter(enddate, data);
  }
  return 0;
 }
 // Find total count and end date of an annual recurrence by date.
 // Reply = total number of occurrences.
 int Recurrence::yearlyMonthCalcEndDate(QDate &enddate, YearlyMonthData &data) const
 {
  uint countTogo = rDuration + mRecurExDatesCount;
  int  countGone = 0;
  QValueList<int>::ConstIterator it;
  const QValueList<int>* mons = data.monthList();   // get recurring months for this year
  if (data.month > 1) {
    // Check what remains of the start year
    for (it = mons->begin();  it != mons->end();  ++it) {
      if (*it >= data.month) {
        ++countGone;
        if (--countTogo == 0) {
          data.month = *it;
          if (data.month == 2 && data.feb29 && !data.leapyear) {
            // The recurrence should end on February 29th, but it's a non-leap year
            switch (mFeb29YearlyType) {
              case rFeb28:
                data.day = 28;
                break;
              case rMar1:
                data.month = 3;
                data.day   = 1;
                break;
              case rFeb29:
                break;
            }
          }
          break;
        }
      }
    }
    if (countTogo) {
      data.month = 1;
      data.year += rFreq;
    }
  }
  if (countTogo) {
    if (data.feb29 && mFeb29YearlyType == rFeb29) {
      // The number of recurrences is different on leap years,
      // so check year-by-year.
      for ( ; ; ) {
        mons = data.monthList();
        uint n = mons->count();
        if (n >= countTogo)
          break;
        countTogo -= n;
        countGone += n;
        data.year += rFreq;
      }
    } else {
      // The number of recurrences is the same every year,
      // so skip the year-by-year check.
      // Skip the remaining whole years, but leave at least
      // 1 recurrence remaining, in order to get its date.
      int monthsPerYear = mons->count();
      int wholeYears = (countTogo - 1) / monthsPerYear;
      data.year += wholeYears * rFreq;
      countGone += wholeYears * monthsPerYear;
      countTogo -= wholeYears * monthsPerYear;
    }
    if (countTogo) {
      // Check the last year in the recurrence
      for (it = mons->begin();  it != mons->end();  ++it) {
        ++countGone;
        if (--countTogo == 0) {
          data.month = *it;
          if (data.month == 2 && data.feb29 && !QDate::leapYear(data.year)) {
            // The recurrence should end on February 29th, but it's a non-leap year
            switch (mFeb29YearlyType) {
              case rFeb28:
                data.day = 28;
                break;
              case rMar1:
                data.month = 3;
                data.day   = 1;
                break;
              case rFeb29:
                break;
            }
          }
          break;
        }
      }
    }
  }
  enddate = data.date();
  return countGone;
 }
 // Find count of an annual recurrence by date.
 // Reply = total number of occurrences up to 'enddate'.
 int Recurrence::yearlyMonthCalcToDate(const QDate &enddate, YearlyMonthData &data) const
 {
  int countGone = 0;
  int countMax  = (rDuration > 0) ? rDuration + mRecurExDatesCount : INT_MAX;
  int endYear  = enddate.year();
  int endMonth = enddate.month();
  int endDay   = enddate.day();
  if (endDay < data.day) {
    /* The end day of the month is earlier than the recurrence day of the month.
     * If Feb 29th recurs and:
     * 1) it recurs on Feb 28th in non-leap years, don't adjust the end month
     *    if enddate is Feb 28th on a non-leap year.
     * 2) it recurs on Mar 1st in non-leap years, allow the end month to be
     *    adjusted to February, to simplify calculations.
     */
    if (data.feb29  &&  !QDate::leapYear(endYear)
    &&  mFeb29YearlyType == rFeb28  &&  endDay == 28  &&  endMonth == 2) {
    }
    else if (--endMonth == 0) {
      endMonth = 12;
      --endYear;
    }
  }
  QValueList<int>::ConstIterator it;
  const QValueList<int>* mons = data.monthList();
  if (data.month > 1) {
    // Check what remains of the start year
    for (it = mons->begin();  it != mons->end();  ++it) {
      if (*it >= data.month) {
        if (data.year == endYear && *it > endMonth)
          return countGone;
        if (++countGone >= countMax)
          return countMax;
      }
    }
    data.month = 1;
    data.year += rFreq;
  }
  if (data.feb29 && mFeb29YearlyType == rFeb29) {
    // The number of recurrences is different on leap years,
    // so check year-by-year.
    while (data.year < endYear) {
      countGone += data.monthList()->count();
      if (countGone >= countMax)
        return countMax;
      data.year += rFreq;
    }
    mons = data.monthList();
  } else {
    // The number of recurrences is the same every year,
    // so skip the year-by-year check.
    // Skip the remaining whole years.
    int monthsPerYear = mons->count();
    int wholeYears = endYear - data.year;
    countGone += (wholeYears / rFreq) * monthsPerYear;
    if (countGone >= countMax)
      return countMax;
    if (wholeYears % rFreq)
      return countGone;      // end year isn't a recurrence year
    data.year = endYear;
  }
  // Check the last year in the recurrence
  for (it = mons->begin();  it != mons->end();  ++it) {
    if (*it > endMonth)
      return countGone;
    if (++countGone >= countMax)
      return countMax;
  }
  return countGone;
 }
 // Find count and date of first recurrence after 'enddate' of an annual recurrence by date.
 // Reply = total number of occurrences up to 'enddate'.
 int Recurrence::yearlyMonthCalcNextAfter(QDate &enddate, YearlyMonthData &data) const
 {
  uint countTogo = (rDuration > 0) ? rDuration + mRecurExDatesCount : UINT_MAX;
  int  countGone = 0;
  int endYear  = enddate.year();
  int endMonth = enddate.month();
  int endDay   = enddate.day();
  bool mar1TooEarly = false;
  bool feb28ok      = false;
  if (endDay < data.day) {
    if (data.feb29 && mFeb29YearlyType == rMar1 && endMonth == 3)
      mar1TooEarly = true;
    if (data.feb29 && mFeb29YearlyType == rFeb28 && endMonth == 2 && endDay == 28)
      feb28ok = true;
    else if (--endMonth == 0) {
      endMonth = 12;
      --endYear;
    }
  }
  QValueList<int>::ConstIterator it;
  const QValueList<int>* mons = data.monthList();
  if (data.month > 1) {
    // Check what remains of the start year
    for (it = mons->begin();  it != mons->end();  ++it) {
      if (*it >= data.month) {
        ++countGone;
        if (data.year == endYear
        &&  (   *it > endMonth && (*it > 3 || !mar1TooEarly)
             || *it == 2 && feb28ok && data.leapyear)) {
          if (*it == 2 && data.feb29 && !data.leapyear) {
            // The next recurrence should be on February 29th, but it's a non-leap year
            switch (mFeb29YearlyType) {
              case rFeb28:
                data.month = 2;
                data.day   = 28;
                break;
              case rMar1:
                data.month = 3;
                data.day   = 1;
                break;
              case rFeb29:   // impossible in this context!
                break;
            }
          }
          else
            data.month = *it;
          goto ex;
        }
        if (--countTogo == 0)
          return 0;
      }
    }
    data.month = 1;
    data.year += rFreq;
  }
  if (data.feb29 && mFeb29YearlyType == rFeb29) {
    // The number of recurrences is different on leap years,
    // so check year-by-year.
    while (data.year <= endYear) {
      mons = data.monthList();
      if (data.year == endYear && mons->last() > endMonth)
        break;
      uint n = mons->count();
      if (n >= countTogo)
        break;
      countTogo -= n;
      countGone += n;
      data.year += rFreq;
    }
    mons = data.monthList();
  } else {
    // The number of recurrences is the same every year,
    // so skip the year-by-year check.
    // Skip the remaining whole years to at least endYear.
    int monthsPerYear = mons->count();
    int recurYears = (endYear - data.year + rFreq - 1) / rFreq;
    if ((endYear - data.year)%rFreq == 0
    &&  mons->last() <= endMonth)
      ++recurYears;    // required year is after endYear
    if (recurYears) {
      int n = recurYears * monthsPerYear;
      if (static_cast<uint>(n) > countTogo)
        return 0;     // reached end of recurrence
      countTogo -= n;
      countGone += n;
      data.year += recurYears * rFreq;
    }
  }
  // Check the last year in the recurrence
  for (it = mons->begin();  it != mons->end();  ++it) {
    ++countGone;
    if (data.year > endYear
    ||  (   *it > endMonth && (*it > 3 || !mar1TooEarly)
         || *it == 2 && feb28ok && QDate::leapYear(data.year))) {
      if (*it == 2 && data.feb29 && !QDate::leapYear(data.year)) {
        // The next recurrence should be on February 29th, but it's a non-leap year
        switch (mFeb29YearlyType) {
          case rFeb28:
            data.month = 2;
            data.day   = 28;
            break;
          case rMar1:
            data.month = 3;
            data.day   = 1;
            break;
          case rFeb29:   // impossible in this context!
            break;
        }
      }
      else
        data.month = *it;
      break;
    }
    if (--countTogo == 0)
      return 0;
  }
 ex:
  enddate = data.date();
  return countGone;
 }
 /* Find count and, depending on 'func', the end date of an annual recurrence by date.
 * Reply = total number of occurrences up to 'enddate', or 0 if error.
 * If 'func' = END_DATE_AND_COUNT or NEXT_AFTER_DATE, 'enddate' is updated to the
 * recurrence end date.
 */
 struct Recurrence::YearlyPosData {
    const Recurrence *recurrence;
    int               year;          // current year
    int               month;         // current month 1..12
    int               day;           // current day of month 1..31
    int               daysPerMonth;  // number of days which recur each month, or -1 if variable
    int               count;         // number of days which recur each year, or -1 if variable
    bool              varies;        // true if number of days varies from year to year
  private:
    mutable QValueList<int> days;
  public:
    YearlyPosData(const Recurrence* r, const QDate &date)
          : recurrence(r), year(date.year()), month(date.month()), day(date.day()), count(-1)
            { if ((daysPerMonth = r->countMonthlyPosDays()) > 0)
                count = daysPerMonth * r->rYearNums.count();
              varies = (daysPerMonth < 0);
            }
    const QValueList<int>* dayList() const {
            QDate startOfMonth(year, month, 1);
            recurrence->getMonthlyPosDays(days, startOfMonth.daysInMonth(), startOfMonth.dayOfWeek());
            return &days;
    }
    int    yearMonth() const    { return year*12 + month - 1; }
    void   addMonths(int diff)  { month += diff - 1;  year += month / 12;  month = month % 12 + 1; }
    QDate  date() const         { return QDate(year, month, day); }
 };
 int Recurrence::yearlyPosCalc(PeriodFunc func, QDate &enddate) const
 {
  if (rYearNums.isEmpty() || rMonthPositions.isEmpty())
    return 0;
  YearlyPosData data(this, mRecurStart.date());
  switch (func) {
    case END_DATE_AND_COUNT:
      return yearlyPosCalcEndDate(enddate, data);
    case COUNT_TO_DATE:
      return yearlyPosCalcToDate(enddate, data);
    case NEXT_AFTER_DATE:
      return yearlyPosCalcNextAfter(enddate, data);
  }
  return 0;
 }
 int Recurrence::yearlyPosCalcEndDate(QDate &enddate, YearlyPosData &data) const
 {
  uint countTogo = rDuration + mRecurExDatesCount;
  int  countGone = 0;
  QValueList<int>::ConstIterator id;
  const QValueList<int>* days;
  if (data.month > 1 || data.day > 1) {
    // Check what remains of the start year
    for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
      if (*im.current() >= data.month) {
        // Check what remains of the start month
        if (data.day > 1 || data.varies
        ||  static_cast<uint>(data.daysPerMonth) >= countTogo) {
          data.month = *im.current();
          days = data.dayList();
          for (id = days->begin();  id != days->end();  ++id) {
            if (*id >= data.day) {
              ++countGone;
              if (--countTogo == 0) {
                data.month = *im.current();
                data.day = *id;
                goto ex;
              }
            }
          }
          data.day = 1;
        } else {
          // The number of days per month is constant, so skip
          // the whole month.
          countTogo -= data.daysPerMonth;
          countGone += data.daysPerMonth;
        }
      }
    }
    data.month = 1;
    data.year += rFreq;
  }
  if (data.varies) {
    // The number of recurrences varies from year to year.
    for ( ; ; ) {
      for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
        data.month = *im.current();
        days = data.dayList();
        int n = days->count();
        if (static_cast<uint>(n) >= countTogo) {
          // Check the last month in the recurrence
          for (id = days->begin();  id != days->end();  ++id) {
            ++countGone;
            if (--countTogo == 0) {
              data.day = *id;
              goto ex;
            }
          }
        }
        countTogo -= n;
        countGone += n;
      }
      data.year += rFreq;
    }
  } else {
    // The number of recurrences is the same every year,
    // so skip the year-by-year check.
    // Skip the remaining whole years, but leave at least
    // 1 recurrence remaining, in order to get its date.
    int wholeYears = (countTogo - 1) / data.count;
    data.year += wholeYears * rFreq;
    countGone += wholeYears * data.count;
    countTogo -= wholeYears * data.count;
    // Check the last year in the recurrence.
    for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
      if (static_cast<uint>(data.daysPerMonth) >= countTogo) {
        // Check the last month in the recurrence
        data.month = *im.current();
        days = data.dayList();
        for (id = days->begin();  id != days->end();  ++id) {
          ++countGone;
          if (--countTogo == 0) {
            data.day = *id;
            goto ex;
          }
        }
      }
      countTogo -= data.daysPerMonth;
      countGone += data.daysPerMonth;
    }
    data.year += rFreq;
  }
 ex:
  enddate = data.date();
  return countGone;
 }
 int Recurrence::yearlyPosCalcToDate(const QDate &enddate, YearlyPosData &data) const
 {
  int countGone = 0;
  int countMax  = (rDuration > 0) ? rDuration + mRecurExDatesCount : INT_MAX;
  int endYear  = enddate.year();
  int endMonth = enddate.month();
  int endDay   = enddate.day();
  if (endDay < data.day && --endMonth == 0) {
    endMonth = 12;
    --endYear;
  }
  int endYearMonth = endYear*12 + endMonth;
  QValueList<int>::ConstIterator id;
  const QValueList<int>* days;
  if (data.month > 1 || data.day > 1) {
    // Check what remains of the start year
    for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
      if (*im.current() >= data.month) {
        data.month = *im.current();
        if (data.yearMonth() > endYearMonth)
          return countGone;
        // Check what remains of the start month
        bool lastMonth = (data.yearMonth() == endYearMonth);
        if (lastMonth || data.day > 1 || data.varies) {
          days = data.dayList();
          if (lastMonth || data.day > 1) {
            for (id = days->begin();  id != days->end();  ++id) {
              if (*id >= data.day) {
                if (lastMonth && *id > endDay)
                  return countGone;
                if (++countGone >= countMax)
                  return countMax;
              }
            }
          } else {
            countGone += days->count();
            if (countGone >= countMax)
              return countMax;
          }
          data.day = 1;
        } else {
          // The number of days per month is constant, so skip
          // the whole month.
          countGone += data.daysPerMonth;
          if (countGone >= countMax)
            return countMax;
        }
      }
    }
    data.month = 1;
    data.year += rFreq;
  }
  if (data.varies) {
    // The number of recurrences varies from year to year.
    for ( ; ; ) {
      for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
        data.month = *im.current();
        days = data.dayList();
        if (data.yearMonth() >= endYearMonth) {
          if (data.yearMonth() > endYearMonth)
            return countGone;
          // Check the last month in the recurrence
          for (id = days->begin();  id != days->end();  ++id) {
            if (*id > endDay)
              return countGone;
            if (++countGone >= countMax)
              return countMax;
          }
        } else {
          countGone += days->count();
          if (countGone >= countMax)
            return countMax;
        }
      }
      data.year += rFreq;
    }
  } else {
    // The number of recurrences is the same every year,
    // so skip the year-by-year check.
    // Skip the remaining whole years, but leave at least
    // 1 recurrence remaining, in order to get its date.
    int wholeYears = endYear - data.year;
    countGone += (wholeYears / rFreq) * data.count;
    if (countGone >= countMax)
      return countMax;
    if (wholeYears % rFreq)
      return countGone;      // end year isn't a recurrence year
    data.year = endYear;
    // Check the last year in the recurrence.
    for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
      data.month = *im.current();
      if (data.month >= endMonth) {
        if (data.month > endMonth)
          return countGone;
        // Check the last month in the recurrence
        days = data.dayList();
        for (id = days->begin();  id != days->end();  ++id) {
          if (*id > endDay)
            return countGone;
          if (++countGone >= countMax)
            return countMax;
        }
      } else {
        countGone += data.daysPerMonth;
        if (countGone >= countMax)
          return countMax;
      }
    }
  }
  return countGone;
 }
 int Recurrence::yearlyPosCalcNextAfter(QDate &enddate, YearlyPosData &data) const
 {
  uint countTogo = (rDuration > 0) ? rDuration + mRecurExDatesCount : UINT_MAX;
  int  countGone = 0;
  int endYear  = enddate.year();
  int endMonth = enddate.month();
  int endDay   = enddate.day();
  if (endDay < data.day && --endMonth == 0) {
    endMonth = 12;
    --endYear;
  }
  int endYearMonth = endYear*12 + endMonth;
  QValueList<int>::ConstIterator id;
  const QValueList<int>* days;
  if (data.varies) {
    // The number of recurrences varies from year to year.
    for ( ; ; ) {
      // Check the next year
      for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
        if (*im.current() >= data.month) {
          // Check the next month
          data.month = *im.current();
          int ended = data.yearMonth() - endYearMonth;
          days = data.dayList();
          if (ended >= 0 || data.day > 1) {
            // This is the start or end month, so check each day
            for (id = days->begin();  id != days->end();  ++id) {
              if (*id >= data.day) {
                ++countGone;
                if (ended > 0 || (ended == 0 && *id > endDay)) {
                  data.day = *id;
                  goto ex;
                }
                if (--countTogo == 0)
                  return 0;
              }
            }
          } else {
            // Skip the whole month
            uint n = days->count();
            if (n >= countTogo)
              return 0;
            countGone += n;
          }
          data.day = 1;      // we've checked the start month now
        }
      }
      data.month = 1;        // we've checked the start year now
      data.year += rFreq;
    }
  } else {
    // The number of recurrences is the same every year.
    if (data.month > 1 || data.day > 1) {
      // Check what remains of the start year
      for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
        if (*im.current() >= data.month) {
          // Check what remains of the start month
          data.month = *im.current();
          int ended = data.yearMonth() - endYearMonth;
          if (ended >= 0 || data.day > 1) {
            // This is the start or end month, so check each day
            days = data.dayList();
            for (id = days->begin();  id != days->end();  ++id) {
              if (*id >= data.day) {
                ++countGone;
                if (ended > 0 || (ended == 0 && *id > endDay)) {
                  data.day = *id;
                  goto ex;
                }
                if (--countTogo == 0)
                  return 0;
              }
            }
            data.day = 1;      // we've checked the start month now
          } else {
            // Skip the whole month.
            if (static_cast<uint>(data.daysPerMonth) >= countTogo)
              return 0;
            countGone += data.daysPerMonth;
          }
        }
      }
      data.year += rFreq;
    }
    // Skip the remaining whole years to at least endYear.
    int recurYears = (endYear - data.year + rFreq - 1) / rFreq;
    if ((endYear - data.year)%rFreq == 0
    &&  *rYearNums.getLast() <= endMonth)
      ++recurYears;    // required year is after endYear
    if (recurYears) {
      int n = recurYears * data.count;
      if (static_cast<uint>(n) > countTogo)
        return 0;     // reached end of recurrence
      countTogo -= n;
      countGone += n;
      data.year += recurYears * rFreq;
    }
    // Check the last year in the recurrence
    for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
      data.month = *im.current();
      int ended = data.yearMonth() - endYearMonth;
      if (ended >= 0) {
        // This is the end month, so check each day
        days = data.dayList();
        for (id = days->begin();  id != days->end();  ++id) {
          ++countGone;
          if (ended > 0 || (ended == 0 && *id > endDay)) {
            data.day = *id;
            goto ex;
          }
          if (--countTogo == 0)
            return 0;
        }
      } else {
        // Skip the whole month.
        if (static_cast<uint>(data.daysPerMonth) >= countTogo)
          return 0;
        countGone += data.daysPerMonth;
      }
    }
  }
 ex:
  enddate = data.date();
  return countGone;
 }
 /* Find count and, depending on 'func', the end date of an annual recurrence by day.
 * Reply = total number of occurrences up to 'enddate', or 0 if error.
 * If 'func' = END_DATE_AND_COUNT or NEXT_AFTER_DATE, 'enddate' is updated to the
 * recurrence end date.
 */
 struct Recurrence::YearlyDayData {
    int    year;       // current year
    int    day;        // current day of year 1..366
    bool   varies;     // true if day 366 recurs
  private:
    int    daycount;
  public:
    YearlyDayData(const Recurrence* r, const QDate &date)
             : year(date.year()), day(date.dayOfYear()), varies(*r->rYearNums.getLast() == 366),
               daycount(r->rYearNums.count()) { }
    bool  leapYear() const       { return QDate::leapYear(year); }
    int   dayCount() const       { return daycount - (varies && !QDate::leapYear(year) ? 1 : 0); }
    bool  isMaxDayCount() const  { return !varies || QDate::leapYear(year); }
    QDate date() const           { return QDate(year, 1, 1).addDays(day - 1); }
 };
 int Recurrence::yearlyDayCalc(PeriodFunc func, QDate &enddate) const
 {
  if (rYearNums.isEmpty())
    return 0;
  YearlyDayData data(this, mRecurStart.date());
  switch (func) {
    case END_DATE_AND_COUNT:
      return yearlyDayCalcEndDate(enddate, data);
    case COUNT_TO_DATE:
      return yearlyDayCalcToDate(enddate, data);
    case NEXT_AFTER_DATE:
      return yearlyDayCalcNextAfter(enddate, data);
  }
  return 0;
 }
 int Recurrence::yearlyDayCalcEndDate(QDate &enddate, YearlyDayData &data) const
 {
  uint countTogo = rDuration + mRecurExDatesCount;
  int countGone = 0;
  if (data.day > 1) {
    // Check what remains of the start year
    bool leapOK = data.isMaxDayCount();
    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
      int d = *it.current();
      if (d >= data.day && (leapOK || d < 366)) {
        ++countGone;
        if (--countTogo == 0) {
          data.day = d;
          goto ex;
        }
      }
    }
    data.day = 1;
    data.year += rFreq;
  }
  if (data.varies) {
    // The number of recurrences is different in leap years,
    // so check year-by-year.
    for ( ; ; ) {
      uint n = data.dayCount();
      if (n >= countTogo)
        break;
      countTogo -= n;
      countGone += n;
      data.year += rFreq;
    }
  } else {
    // The number of recurrences is the same every year,
    // so skip the year-by-year check.
    // Skip the remaining whole years, but leave at least
    // 1 recurrence remaining, in order to get its date.
    int daysPerYear = rYearNums.count();
    int wholeYears = (countTogo - 1) / daysPerYear;
    data.year += wholeYears * rFreq;
    countGone += wholeYears * daysPerYear;
    countTogo -= wholeYears * daysPerYear;
  }
  if (countTogo) {
    // Check the last year in the recurrence
    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
      ++countGone;
      if (--countTogo == 0) {
        data.day = *it.current();
        break;
      }
    }
  }
 ex:
  enddate = data.date();
  return countGone;
 }
 int Recurrence::yearlyDayCalcToDate(const QDate &enddate, YearlyDayData &data) const
 {
  int countGone = 0;
  int countMax  = (rDuration > 0) ? rDuration + mRecurExDatesCount : INT_MAX;
  int endYear = enddate.year();
  int endDay  = enddate.dayOfYear();
  if (data.day > 1) {
    // Check what remains of the start year
    bool leapOK = data.isMaxDayCount();
    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
      int d = *it.current();
      if (d >= data.day && (leapOK || d < 366)) {
        if (data.year == endYear && d > endDay)
          return countGone;
        if (++countGone >= countMax)
          return countMax;
      }
    }
    data.day = 1;
    data.year += rFreq;
  }
  if (data.varies) {
    // The number of recurrences is different in leap years,
    // so check year-by-year.
    while (data.year < endYear) {
      uint n = data.dayCount();
      countGone += n;
      if (countGone >= countMax)
        return countMax;
      data.year += rFreq;
    }
    if (data.year > endYear)
      return countGone;
  } else {
    // The number of recurrences is the same every year.
    // Skip the remaining whole years.
    int wholeYears = endYear - data.year;
    countGone += (wholeYears / rFreq) * rYearNums.count();
    if (countGone >= countMax)
      return countMax;
    if (wholeYears % rFreq)
      return countGone;      // end year isn't a recurrence year
    data.year = endYear;
  }
  if (data.year <= endYear) {
    // Check the last year in the recurrence
    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
      if (*it.current() > endDay)
        return countGone;
      if (++countGone >= countMax)
        return countMax;
    }
  }
  return countGone;
 }
 int Recurrence::yearlyDayCalcNextAfter(QDate &enddate, YearlyDayData &data) const
 {
  uint countTogo = (rDuration > 0) ? rDuration + mRecurExDatesCount : UINT_MAX;
  int  countGone = 0;
  int  endYear = enddate.year();
  int  endDay  = enddate.dayOfYear();
  if (data.day > 1) {
    // Check what remains of the start year
    bool leapOK = data.isMaxDayCount();
    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
      int d = *it.current();
      if (d >= data.day && (leapOK || d < 366)) {
        ++countGone;
        if (data.year == endYear && d > endDay) {
          data.day = d;
          goto ex;
        }
        if (--countTogo == 0)
          return 0;
      }
    }
    data.day = 1;
    data.year += rFreq;
  }
  if (data.varies) {
    // The number of recurrences is different in leap years,
    // so check year-by-year.
    while (data.year <= endYear) {
      uint n = data.dayCount();
      if (data.year == endYear && *rYearNums.getLast() > endDay)
        break;
      if (n >= countTogo)
        break;
      countTogo -= n;
      countGone += n;
      data.year += rFreq;
    }
  } else {
    // The number of recurrences is the same every year,
    // so skip the year-by-year check.
    // Skip the remaining whole years to at least endYear.
    int daysPerYear = rYearNums.count();
    int recurYears = (endYear - data.year + rFreq - 1) / rFreq;
    if ((endYear - data.year)%rFreq == 0
    &&  *rYearNums.getLast() <= endDay)
      ++recurYears;    // required year is after endYear
    if (recurYears) {
      int n = recurYears * daysPerYear;
      if (static_cast<uint>(n) > countTogo)
        return 0;     // reached end of recurrence
      countTogo -= n;
      countGone += n;
      data.year += recurYears * rFreq;
    }
  }
  // Check the last year in the recurrence
  for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
    ++countGone;
    int d = *it.current();
    if (data.year > endYear || d > endDay) {
      data.day = d;
      break;
    }
    if (--countTogo == 0)
      return 0;
  }
 ex:
  enddate = data.date();
  return countGone;
 }
 // Get the days in this month which recur, in numerical order.
 // Parameters: daysInMonth = number of days in this month
 //             startDayOfWeek = day of week for first day of month.
 void Recurrence::getMonthlyPosDays(QValueList<int> &list, int daysInMonth, int startDayOfWeek) const
 {
  list.clear();
  int endDayOfWeek = (startDayOfWeek + daysInMonth - 2) % 7 + 1;
  // Go through the list, compiling a bit list of actual day numbers
  Q_UINT32 days = 0;
  for (QPtrListIterator<rMonthPos> pos(rMonthPositions); pos.current(); ++pos) {
    int weeknum = pos.current()->rPos - 1;   // get 0-based week number
    QBitArray &rdays = pos.current()->rDays;
    if (pos.current()->negative) {
      // nth days before the end of the month
      for (uint i = 1; i <= 7; ++i) {
        if (rdays.testBit(i - 1)) {
          int day = daysInMonth - weeknum*7 - (endDayOfWeek - i + 7) % 7;
          if (day > 0)
            days |= 1 << (day - 1);
        }
      }
    } else {
      // nth days after the start of the month
      for (uint i = 1; i <= 7; ++i) {
        if (rdays.testBit(i - 1)) {
          int day = 1 + weeknum*7 + (i - startDayOfWeek + 7) % 7;
          if (day <= daysInMonth)
            days |= 1 << (day - 1);
        }
      }
    }
  }
  // Compile the ordered list
  Q_UINT32 mask = 1;
  for (int i = 0; i < daysInMonth; mask <<= 1, ++i) {
    if (days & mask)
      list.append(i + 1);
  }
 }
 // Get the number of days in the month which recur.
 // Reply = -1 if the number varies from month to month.
 int Recurrence::countMonthlyPosDays() const
 {
  int count = 0;
  Q_UINT8 positive[5] = { 0, 0, 0, 0, 0 };
  Q_UINT8 negative[4] = { 0, 0, 0, 0 };
  for (QPtrListIterator<rMonthPos> pos(rMonthPositions); pos.current(); ++pos) {
    int weeknum = pos.current()->rPos;
    Q_UINT8* wk;
    if (pos.current()->negative) {
      // nth days before the end of the month
      if (weeknum > 4)
        return -1;       // days in 5th week are often missing
      wk = &negative[4 - weeknum];
    } else {
      // nth days after the start of the month
      if (weeknum > 4)
        return -1;       // days in 5th week are often missing
      wk = &positive[weeknum - 1];
    }
    QBitArray &rdays = pos.current()->rDays;
    for (uint i = 0; i < 7; ++i) {
      if (rdays.testBit(i)) {
        ++count;
        *wk |= (1 << i);
      }
    }
  }
  // Check for any possible days which could be duplicated by
  // a positive and a negative position.
  for (int i = 0; i < 4; ++i) {
    if (negative[i] & (positive[i] | positive[i+1]))
      return -1;
  }
  return count;
 }
 // Get the days in this month which recur, in numerical order.
 // Reply = true if day numbers varies from month to month.
 bool Recurrence::getMonthlyDayDays(QValueList<int> &list, int daysInMonth) const
 {
  list.clear();
  bool variable = false;
  Q_UINT32 days = 0;
  for (QPtrListIterator<int> it(rMonthDays); it.current(); ++it) {
    int day = *it.current();
    if (day > 0) {
      // date in the month
      if (day <= daysInMonth)
        days |= 1 << (day - 1);
      if (day > 28 && day <= 31)
        variable = true;     // this date does not appear in some months
    } else if (day < 0) {
      // days before the end of the month
      variable = true;       // this date varies depending on the month length
      day = daysInMonth + day;    // zero-based day of month
      if (day >= 0)
        days |= 1 << day;
    }
  }
  // Compile the ordered list
  Q_UINT32 mask = 1;
  for (int i = 0; i < daysInMonth; mask <<= 1, ++i) {
    if (days & mask)
      list.append(i + 1);
  }
  return variable;
 }
 // Get the months which recur, in numerical order, for both leap years and non-leap years.
 // N.B. If February 29th recurs on March 1st in non-leap years, February (not March) is
 // included in the non-leap year month list.
 // Reply = true if February 29th also recurs.
 bool Recurrence::getYearlyMonthMonths(int day, QValueList<int> &list, QValueList<int> &leaplist) const
 {
  list.clear();
  leaplist.clear();
  bool feb29 = false;
  for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
    int month = *it.current();
    if (month == 2) {
      if (day <= 28) {
        list.append(month);     // date appears in February
        leaplist.append(month);
      }
      else if (day == 29) {
        // February 29th
        leaplist.append(month);
        switch (mFeb29YearlyType) {
          case rFeb28:
          case rMar1:
            list.append(2);
            break;
          case rFeb29:
            break;
        }
        feb29 = true;
      }
    }
    else if (day <= 30 || QDate(2000, month, 1).daysInMonth() == 31) {
      list.append(month);       // date appears in every month
      leaplist.append(month);
    }
  }
  return feb29;
 }
 /* From the recurrence day of the week list, get the earliest day in the
 * specified week which is >= the startDay.
 * Parameters:  startDay = 1..7 (Monday..Sunday)
 *              useWeekStart = true to end search at day before next rWeekStart
 *                           = false to search for a full 7 days
 * Reply = day of the week (1..7), or 0 if none found.
 */
 int Recurrence::getFirstDayInWeek(int startDay, bool useWeekStart) const
 {
  int last = ((useWeekStart ? rWeekStart : startDay) + 5)%7;
  for (int i = startDay - 1;  ;  i = (i + 1)%7) {
    if (rDays.testBit(i))
      return i + 1;
    if (i == last)
      return 0;
  }
 }
 /* From the recurrence day of the week list, get the latest day in the
 * specified week which is <= the endDay.
 * Parameters:  endDay = 1..7 (Monday..Sunday)
 *              useWeekStart = true to end search at rWeekStart
 *                           = false to search for a full 7 days
 * Reply = day of the week (1..7), or 0 if none found.
 */
 int Recurrence::getLastDayInWeek(int endDay, bool useWeekStart) const
 {
  int last = useWeekStart ? rWeekStart - 1 : endDay%7;
  for (int i = endDay - 1;  ;  i = (i + 6)%7) {
    if (rDays.testBit(i))
      return i + 1;
    if (i == last)
      return 0;
  }
 }
 /* From the recurrence monthly day number list or monthly day of week/week of
 * month list, get the earliest day in the specified month which is >= the
 * earliestDate.
 */
 QDate Recurrence::getFirstDateInMonth(const QDate &earliestDate) const
 {
  int earliestDay = earliestDate.day();
  int daysInMonth = earliestDate.daysInMonth();
  switch (recurs) {
    case rMonthlyDay: {
      int minday = daysInMonth + 1;
      for (QPtrListIterator<int> it(rMonthDays);  it.current();  ++it) {
        int day = *it.current();
        if (day < 0)
          day = daysInMonth + day + 1;
        if (day >= earliestDay  &&  day < minday)
          minday = day;
      }
      if (minday <= daysInMonth)
        return earliestDate.addDays(minday - earliestDay);
      break;
    }
    case rMonthlyPos:
    case rYearlyPos: {
      QDate monthBegin(earliestDate.addDays(1 - earliestDay));
      QValueList<int> dayList;
      getMonthlyPosDays(dayList, daysInMonth, monthBegin.dayOfWeek());
      for (QValueList<int>::ConstIterator id = dayList.begin();  id != dayList.end();  ++id) {
        if (*id >= earliestDay)
          return monthBegin.addDays(*id - 1);
      }
      break;
    }
  }
  return QDate();
 }
 /* From the recurrence monthly day number list or monthly day of week/week of
 * month list, get the latest day in the specified month which is <= the
 * latestDate.
 */
 QDate Recurrence::getLastDateInMonth(const QDate &latestDate) const
 {
  int latestDay = latestDate.day();
  int daysInMonth = latestDate.daysInMonth();
  switch (recurs) {
    case rMonthlyDay: {
      int maxday = -1;
      for (QPtrListIterator<int> it(rMonthDays);  it.current();  ++it) {
        int day = *it.current();
        if (day < 0)
          day = daysInMonth + day + 1;
        if (day <= latestDay  &&  day > maxday)
          maxday = day;
      }
      if (maxday > 0)
        return QDate(latestDate.year(), latestDate.month(), maxday);
      break;
    }
    case rMonthlyPos:
    case rYearlyPos: {
      QDate monthBegin(latestDate.addDays(1 - latestDay));
      QValueList<int> dayList;
      getMonthlyPosDays(dayList, daysInMonth, monthBegin.dayOfWeek());
      for (QValueList<int>::ConstIterator id = dayList.fromLast();  id != dayList.end();  --id) {
        if (*id <= latestDay)
          return monthBegin.addDays(*id - 1);
      }
      break;
    }
  }
  return QDate();
 }
 /* From the recurrence yearly month list or yearly day list, get the earliest
 * month or day in the specified year which is >= the earliestDate.
 * Note that rYearNums is sorted in numerical order.
 */
 QDate Recurrence::getFirstDateInYear(const QDate &earliestDate) const
 {
  QPtrListIterator<int> it(rYearNums);
  switch (recurs) {
    case rYearlyMonth: {
      int day = recurStart().date().day();
      int earliestYear  = earliestDate.year();
      int earliestMonth = earliestDate.month();
      int earliestDay   = earliestDate.day();
      if (earliestDay > day) {
        // The earliest date is later in the month than the recurrence date,
        // so skip to the next month before starting to check
        if (++earliestMonth > 12)
          return QDate();
      }
      for ( ;  it.current();  ++it) {
        int month = *it.current();
        if (month >= earliestMonth) {
          if (day <= 28  ||  QDate::isValid(earliestYear, month, day))
            return QDate(earliestYear, month, day);
          if (day == 29  &&  month == 2) {
            // It's a recurrence on February 29th, in a non-leap year
            switch (mFeb29YearlyType) {
              case rMar1:
                return QDate(earliestYear, 3, 1);
              case rFeb28:
                if (earliestDay <= 28)
                  return QDate(earliestYear, 2, 28);
                break;
              case rFeb29:
                break;
            }
          }
        }
      }
      break;
    }
    case rYearlyPos: {
      QValueList<int> dayList;
      int earliestYear  = earliestDate.year();
      int earliestMonth = earliestDate.month();
      int earliestDay   = earliestDate.day();
      for ( ;  it.current();  ++it) {
        int month = *it.current();
        if (month >= earliestMonth) {
          QDate monthBegin(earliestYear, month, 1);
          getMonthlyPosDays(dayList, monthBegin.daysInMonth(), monthBegin.dayOfWeek());
          for (QValueList<int>::ConstIterator id = dayList.begin();  id != dayList.end();  ++id) {
            if (*id >= earliestDay)
              return monthBegin.addDays(*id - 1);
          }
          earliestDay = 1;
        }
      }
      break;
    }
    case rYearlyDay: {
      int earliestDay = earliestDate.dayOfYear();
      for ( ;  it.current();  ++it) {
        int day = *it.current();
        if (day >= earliestDay && (day <= 365 || day <= earliestDate.daysInYear()))
          return earliestDate.addDays(day - earliestDay);
      }
      break;
    }
  }
  return QDate();
 }
 /* From the recurrence yearly month list or yearly day list, get the latest
 * month or day in the specified year which is <= the latestDate.
 * Note that rYearNums is sorted in numerical order.
 */
 QDate Recurrence::getLastDateInYear(const QDate &latestDate) const
 {
  QPtrListIterator<int> it(rYearNums);
  switch (recurs) {
    case rYearlyMonth: {
      int day = recurStart().date().day();
      int latestYear  = latestDate.year();
      int latestMonth = latestDate.month();
      if (latestDate.day() > day) {
        // The latest date is earlier in the month than the recurrence date,
        // so skip to the previous month before starting to check
        if (--latestMonth <= 0)
          return QDate();
      }
      for (it.toLast();  it.current();  --it) {
        int month = *it.current();
        if (month <= latestMonth) {
          if (day <= 28  ||  QDate::isValid(latestYear, month, day))
            return QDate(latestYear, month, day);
          if (day == 29  &&  month == 2) {
            // It's a recurrence on February 29th, in a non-leap year
            switch (mFeb29YearlyType) {
              case rMar1:
                if (latestMonth >= 3)
                  return QDate(latestYear, 3, 1);
                break;
              case rFeb28:
                return QDate(latestYear, 2, 28);
              case rFeb29:
                break;
            }
          }
        }
      }
      break;
    }
    case rYearlyPos: {
      QValueList<int> dayList;
      int latestYear  = latestDate.year();
      int latestMonth = latestDate.month();
      int latestDay   = latestDate.day();
      for (it.toLast();  it.current();  --it) {
        int month = *it.current();
        if (month <= latestMonth) {
          QDate monthBegin(latestYear, month, 1);
          getMonthlyPosDays(dayList, monthBegin.daysInMonth(), monthBegin.dayOfWeek());
          for (QValueList<int>::ConstIterator id = dayList.fromLast();  id != dayList.end();  --id) {
            if (*id <= latestDay)
              return monthBegin.addDays(*id - 1);
          }
          latestDay = 31;
        }
      }
      break;
    }
    case rYearlyDay: {
      int latestDay = latestDate.dayOfYear();
      for (it.toLast();  it.current();  --it) {
        int day = *it.current();
        if (day <= latestDay)
          return latestDate.addDays(day - latestDay);
      }
      break;
    }
  }
  return QDate();
 }
 void Recurrence::dump() const
 {
-  kdDebug() << "Recurrence::dump():" << endl;
+    ;
-  kdDebug() << "  type: " << recurs << endl;
-  
-  kdDebug() << "  rDays: " << endl;
-  int i;
-  for( i = 0; i < 7; ++i ) {
-    kdDebug() << "    " << i << ": "
-              << ( rDays.testBit( i ) ? "true" : "false" ) << endl;
-  }
 }
author	zautrix <zautrix>	2005-03-18 15:12:58 (UTC)
committer	zautrix <zautrix>	2005-03-18 15:12:58 (UTC)
commit	f9f521c487143641b2cf077d04fe1c475001bce2 (patch) (unidiff)
tree	4ffac6d14ceb3e5d77f7634f2b2a49fd91a9e77a
parent	66bc0202d4e2306f7029362fe09d0c7ab0e7cc36 (diff)
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