7 files changed, 52 insertions, 2 deletions

diff --git a/libkcal/alarm.cpp b/libkcal/alarm.cpp
index 79e0464..3157214 100644
--- a/libkcal/alarm.cpp
+++ b/libkcal/alarm.cpp
@@ -1,483 +1,483 @@
 /*
     This file is part of libkcal.
     Copyright (c) 1998 Preston Brown
     Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
 
     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 <kdebug.h>
 #include <klocale.h>
 
 #include "incidence.h"
 #include "todo.h"
 
 #include "alarm.h"
 
 using namespace KCal;
 #include <qwidget.h>
 Alarm::Alarm(Incidence *parent)
  : mParent(parent),
    mType(Audio),
    mDescription(""),    // to make operator==() not fail
    mFile(""),           // to make operator==() not fail
    mMailSubject(""),    // to make operator==() not fail
    mAlarmSnoozeTime(5),
    mAlarmRepeatCount(0),
    mEndOffset(false),
    mHasTime(false),
    mAlarmEnabled(false)
 {
  
 }
 
 Alarm::~Alarm()
 {
 }
 
 bool Alarm::operator==( const Alarm& rhs ) const
 {
 
   if ( mType != rhs.mType ||
        mAlarmSnoozeTime != rhs.mAlarmSnoozeTime ||
        mAlarmRepeatCount != rhs.mAlarmRepeatCount ||
        mAlarmEnabled != rhs.mAlarmEnabled ||
        mHasTime != rhs.mHasTime)
     return false;
 
 #if 0
     if ( mType != rhs.mType ) {
 
         qDebug("aaa1 ");
         return false;
     }
 
     if ( mAlarmSnoozeTime != rhs.mAlarmSnoozeTime  ) {
 
         qDebug("aaa2 ");
         return false;
     }
 
 
     if ( mAlarmRepeatCount != rhs.mAlarmRepeatCount ) {
 
         qDebug("aaa3 ");
         return false;
     }
 
     if ( mAlarmEnabled != rhs.mAlarmEnabled  ) {
 
         qDebug("aaa4 ");
         return false;
     }
 
     if ( mHasTime != rhs.mHasTime ) {
 
         qDebug("aaa5 ");
         return false;
     }
 #endif
   
 
   if (mHasTime) {
     if (mAlarmTime != rhs.mAlarmTime)
       return false;
   } else {
     if (mOffset != rhs.mOffset ||
         mEndOffset != rhs.mEndOffset)
       return false;
   }
   switch (mType) {
     case Display:
       return mDescription == rhs.mDescription;
 
     case Email:
       return mDescription == rhs.mDescription &&
              mMailAttachFiles == rhs.mMailAttachFiles &&
              mMailAddresses == rhs.mMailAddresses &&
              mMailSubject == rhs.mMailSubject;
 
     case Procedure:
       return mFile == rhs.mFile &&
              mDescription == rhs.mDescription;
 
     case Audio:
       return mFile == rhs.mFile;
 
     case Invalid:
       break;
   }
   return false;
 }
 
 void Alarm::setType(Alarm::Type type)
 {
   if (type == mType)
     return;
 
   switch (type) {
     case Display:
       mDescription = "";
       break;
     case Procedure:
       mFile = mDescription = "";
       break;
     case Audio:
       mFile = "";
       break;
     case Email:
       mMailSubject = mDescription = "";
       mMailAddresses.clear();
       mMailAttachFiles.clear();
       break;
     case Invalid:
       break;
     default:
       return;
   }
   mType = type;
   mParent->updated();
 }
 
 Alarm::Type Alarm::type() const
 {
   return mType;
 }
 
 void Alarm::setAudioAlarm(const QString &audioFile)
 {
   mType = Audio;
   mFile = audioFile;
   mParent->updated();
 }
 
 void Alarm::setAudioFile(const QString &audioFile)
 {
   if (mType == Audio) {
     mFile = audioFile;
     mParent->updated();
   }
 }
 
 QString Alarm::audioFile() const
 {
   return (mType == Audio) ? mFile : QString::null;
 }
 
 void Alarm::setProcedureAlarm(const QString &programFile, const QString &arguments)
 {
   mType = Procedure;
   mFile = programFile;
   mDescription = arguments;
   mParent->updated();
 }
 
 void Alarm::setProgramFile(const QString &programFile)
 {
   if (mType == Procedure) {
     mFile = programFile;
     mParent->updated();
   }
 }
 
 QString Alarm::programFile() const
 {
   return (mType == Procedure) ? mFile : QString::null;
 }
 
 void Alarm::setProgramArguments(const QString &arguments)
 {
   if (mType == Procedure) {
     mDescription = arguments;
     mParent->updated();
   }
 }
 
 QString Alarm::programArguments() const
 {
   return (mType == Procedure) ? mDescription : QString::null;
 }
 
 void Alarm::setEmailAlarm(const QString &subject, const QString &text,
                           const QValueList<Person> &addressees, const QStringList &attachments)
 {
   mType = Email;
   mMailSubject = subject;
   mDescription = text;
   mMailAddresses = addressees;
   mMailAttachFiles = attachments;
   mParent->updated();
 }
 
 void Alarm::setMailAddress(const Person &mailAddress)
 {
   if (mType == Email) {
     mMailAddresses.clear();
     mMailAddresses += mailAddress;
     mParent->updated();
   }
 }
 
 void Alarm::setMailAddresses(const QValueList<Person> &mailAddresses)
 {
   if (mType == Email) {
     mMailAddresses = mailAddresses;
     mParent->updated();
   }
 }
 
 void Alarm::addMailAddress(const Person &mailAddress)
 {
   if (mType == Email) {
     mMailAddresses += mailAddress;
     mParent->updated();
   }
 }
 
 QValueList<Person> Alarm::mailAddresses() const
 {
   return (mType == Email) ? mMailAddresses : QValueList<Person>();
 }
 
 void Alarm::setMailSubject(const QString &mailAlarmSubject)
 {
   if (mType == Email) {
     mMailSubject = mailAlarmSubject;
     mParent->updated();
   }
 }
 
 QString Alarm::mailSubject() const
 {
   return (mType == Email) ? mMailSubject : QString::null;
 }
 
 void Alarm::setMailAttachment(const QString &mailAttachFile)
 {
   if (mType == Email) {
     mMailAttachFiles.clear();
     mMailAttachFiles += mailAttachFile;
     mParent->updated();
   }
 }
 
 void Alarm::setMailAttachments(const QStringList &mailAttachFiles)
 {
   if (mType == Email) {
     mMailAttachFiles = mailAttachFiles;
     mParent->updated();
   }
 }
 
 void Alarm::addMailAttachment(const QString &mailAttachFile)
 {
   if (mType == Email) {
     mMailAttachFiles += mailAttachFile;
     mParent->updated();
   }
 }
 
 QStringList Alarm::mailAttachments() const
 {
   return (mType == Email) ? mMailAttachFiles : QStringList();
 }
 
 void Alarm::setMailText(const QString &text)
 {
   if (mType == Email) {
     mDescription = text;
     mParent->updated();
   }
 }
 
 QString Alarm::mailText() const
 {
   return (mType == Email) ? mDescription : QString::null;
 }
 
 void Alarm::setDisplayAlarm(const QString &text)
 {
   mType = Display;
   mDescription = text;
   mParent->updated();
 }
 
 void Alarm::setText(const QString &text)
 {
   if (mType == Display) {
     mDescription = text;
     mParent->updated();
   }
 }
 
 QString Alarm::text() const
 {
   return (mType == Display) ? mDescription : QString::null;
 }
 
 void Alarm::setTime(const QDateTime &alarmTime)
 {
   mAlarmTime = alarmTime;
   mHasTime = true;
 
   mParent->updated();
 }
 int Alarm::offset() 
 {
     if ( hasTime() ) {
         if (mParent->typeID() == todoID ) {
             Todo *t = static_cast<Todo*>(mParent);
             return  t->dtDue().secsTo( mAlarmTime ) ;
         } else
             return mParent->dtStart().secsTo( mAlarmTime ) ;
     }
     else
         {
             return mOffset.asSeconds();
         }
     
 }
-QString Alarm::offsetText() 
+QString Alarm::offsetText()
 {
     int min = -offset()/60;
     int hours = min /60;
     min = min % 60;
     int days = hours /24;
     hours = hours % 24;
     QString message;
     //qDebug("%d %d %d ", days, hours, min  );
     if ( days > 0 )
         message += i18n("%1d").arg( days );
     if ( hours > 0 ) {
         if ( !message.isEmpty() ) message += "/";
         message += i18n("%1h").arg( hours );
     }
     if ( min > 0 ) {
         if ( !message.isEmpty() ) message += "/";
         message += i18n("%1min").arg( min );
     }
     if ( message.isEmpty() )
          message = i18n("%1min").arg( 0 );
     if ( !mParent->alarmEnabled() )
         return "!"+message + i18n("(disabled)");
     return message; 
 }
 
 
 QDateTime Alarm::time() const
 {
   if ( hasTime() )
     return mAlarmTime;
   else
   {
     if (mParent->typeID() == todoID ) {
       Todo *t = static_cast<Todo*>(mParent);
       return mOffset.end( t->dtDue() );
     } else if (mEndOffset) {
       return mOffset.end( mParent->dtEnd() );
     } else {
       return mOffset.end( mParent->dtStart() );
     }
   }
 }
 
 bool Alarm::hasTime() const
 {
   return mHasTime;
 }
 
 void Alarm::setSnoozeTime(int alarmSnoozeTime)
 {
   mAlarmSnoozeTime = alarmSnoozeTime;
   mParent->updated();
 }
 
 int Alarm::snoozeTime() const
 {
   return mAlarmSnoozeTime;
 }
 
 void Alarm::setRepeatCount(int alarmRepeatCount)
 {
   kdDebug(5800) << "Alarm::setRepeatCount(): " << alarmRepeatCount << endl;
 
   mAlarmRepeatCount = alarmRepeatCount;
   mParent->updated();
 }
 
 int Alarm::repeatCount() const
 {
   kdDebug(5800) << "Alarm::repeatCount(): " << mAlarmRepeatCount << endl;
   return mAlarmRepeatCount;
 }
 
 void Alarm::toggleAlarm()
 {
   mAlarmEnabled = !mAlarmEnabled;
   mParent->updated();
 }
 
 void Alarm::setEnabled(bool enable)
 {
   mAlarmEnabled = enable;
   mParent->updated();
 }
 
 bool Alarm::enabled() const
 {
   return mAlarmEnabled;
 }
 
 void Alarm::setStartOffset( const Duration &offset )
 {
   mOffset = offset;
   mEndOffset = false;
   mHasTime = false;
   mParent->updated();
 }
 
 Duration Alarm::startOffset() const
 {
   return (mHasTime || mEndOffset) ? 0 : mOffset;
 }
 
 bool Alarm::hasStartOffset() const
 {
   return !mHasTime && !mEndOffset;
 }
 
 bool Alarm::hasEndOffset() const
 {
   return !mHasTime && mEndOffset;
 }
 
 void Alarm::setEndOffset( const Duration &offset )
 {
   mOffset = offset;
   mEndOffset = true;
   mHasTime = false;
   mParent->updated();
 }
 
 Duration Alarm::endOffset() const
 {
   return (mHasTime || !mEndOffset) ? 0 : mOffset;
 }
 
 void Alarm::setParent( Incidence *parent )
 {
   mParent = parent;
 }
diff --git a/libkcal/event.cpp b/libkcal/event.cpp
index 0766fd9..fdf5657 100644
--- a/libkcal/event.cpp
+++ b/libkcal/event.cpp
@@ -33,384 +33,392 @@ Event::Event() :
 
 Event::Event(const Event &e) : Incidence(e)
 {
   mDtEnd = e.mDtEnd;
   mHasEndDate = e.mHasEndDate;
   mTransparency = e.mTransparency;
 }
 
 Event::~Event()
 {
 }
 
 Incidence *Event::clone()
 {
   return new Event(*this);
 }
 
 bool KCal::operator==( const Event& e1, const Event& e2 )
 {
     return operator==( (const Incidence&)e1, (const Incidence&)e2 ) &&
         e1.dtEnd() == e2.dtEnd() &&
         e1.hasEndDate() == e2.hasEndDate() &&
         e1.transparency() == e2.transparency();
 }
 
 
 bool Event::contains ( Event* from )
 {
 
     if ( !from->summary().isEmpty() )
         if (  !summary().startsWith(  from->summary() ))
             return false; 
     if ( from->dtStart().isValid() )
         if (dtStart() != from->dtStart() )
             return false;
     if ( from->dtEnd().isValid() )
         if ( dtEnd() !=  from->dtEnd() )
             return false;
     if ( !from->location().isEmpty() )
         if (  !location().startsWith( from->location() ) )
             return false;
     if ( !from->description().isEmpty() )
         if (  !description().startsWith(  from->description() ))
             return false;
     if ( from->alarms().count() ) {
         Alarm *a = from->alarms().first();
         if (  a->enabled()  ){
             if ( !alarms().count() )
                 return false;
             Alarm *b = alarms().first();
             if( ! b->enabled() )
                 return false;
             if ( ! (a->offset() == b->offset() ))
                 return false;
         }
     }
     QStringList cat = categories();
     QStringList catFrom = from->categories();
     QString nCat;
     unsigned int iii;
     for ( iii = 0; iii < catFrom.count();++iii ) {
         nCat = catFrom[iii];
         if ( !nCat.isEmpty() )
             if ( !cat.contains( nCat )) {
                 return false;
             }
     }
     if ( from->doesRecur() ) 
         if ( from->doesRecur() != doesRecur() && ! (from->doesRecur()== Recurrence::rYearlyMonth && doesRecur()== Recurrence::rYearlyDay) )
             return false;
     return true;
 }
 
 void Event::setDtEnd(const QDateTime &dtEnd)
 {
   if (mReadOnly) return;
 
   mDtEnd = getEvenTime( dtEnd );
 
   setHasEndDate(true);
   setHasDuration(false);
 
   updated();
 }
 
 QDateTime Event::dtEnd() const
 {
   if (hasEndDate()) return mDtEnd;
   if (hasDuration()) return dtStart().addSecs(duration());
 
   return dtStart();
 }
 
 QString Event::dtEndTimeStr() const
 {
   return KGlobal::locale()->formatTime(mDtEnd.time());
 }
 
 QString Event::dtEndDateStr(bool shortfmt) const
 {
   return KGlobal::locale()->formatDate(mDtEnd.date(),shortfmt);
 }
 
 QString Event::dtEndStr(bool shortfmt) const
 {
   return KGlobal::locale()->formatDateTime(mDtEnd, shortfmt);
 }
 
 void Event::setHasEndDate(bool b)
 {
   mHasEndDate = b;
 }
 
 bool Event::hasEndDate() const
 {
   return mHasEndDate;
 }
 
 bool Event::isMultiDay() const
 {
   bool multi = !(dtStart().date() == dtEnd().date());
   return multi;
 }
 
 void Event::setTransparency(Event::Transparency transparency)
 {
   if (mReadOnly) return;
   mTransparency = transparency;
   updated();
 }
 
 Event::Transparency Event::transparency() const
 {
   return mTransparency;
 }
 
 void Event::setDuration(int seconds)
 {
   setHasEndDate(false);
   Incidence::setDuration(seconds);
 }
 bool Event::matchTime(QDateTime*startDT, QDateTime* endDT)
 {
     if ( cancelled() ) return false;
     if ( ! doesRecur() ) {
         if ( doesFloat() ) {
             if ( mDtEnd.addDays( 1 ) < *startDT)
                 return false;
             if ( endDT && mDtStart > * endDT)
                 return false;
         } else {
             if ( mDtEnd < *startDT )
                 return false;
             if ( endDT && mDtStart > * endDT)
                 return false;
         }
     } else {
         if ( endDT && mDtStart > * endDT)
             return false;
     }
     return true;
 }
 bool Event::isOverlapping (  Event* testEvent,  QDateTime* overlapDT, QDateTime* startDT )
 {
     if ( testEvent == this )
         return false;
     if ( ! doesRecur() && !testEvent->doesRecur() ) {
         QDateTime te;
         if ( testEvent->doesFloat() )
             te = testEvent->mDtEnd.addDays( 1 );
         else
             te = testEvent->mDtEnd;
         QDateTime e; 
         if ( doesFloat() )
             e = mDtEnd.addDays( 1 );
         else
             e = mDtEnd;
         if ( mDtStart < te && testEvent->mDtStart < e ) {
             if ( mDtStart < testEvent->mDtStart )
                 *overlapDT =  testEvent->mDtStart;
             else
                 *overlapDT =  mDtStart;
             if ( startDT )
                 return (*overlapDT >= *startDT );
             return true;
         }
         return false;
     }
     if ( !doesFloat() && !testEvent->doesFloat() && !isMultiDay() && !testEvent->isMultiDay() ) {
         if ( mDtStart.time() >=  testEvent->mDtEnd.time() || testEvent->mDtStart.time() >=  mDtEnd.time() ) {
             // no need to test. times mismatch
             //fprintf(stderr,"timi ");
             return false;
         }
     }
     Event *nonRecur = 0;
     Event *recurEvent = 0;
     if ( ! doesRecur() ) {
         nonRecur = this;
         recurEvent = testEvent;
     }
     else if ( !testEvent->doesRecur() ) {
         nonRecur = testEvent;
         recurEvent = this;
     }
     if ( nonRecur ) {
         QDateTime enr; 
         if ( nonRecur->doesFloat() )
             enr = nonRecur->mDtEnd.addDays( 1 );
         else
             enr = nonRecur->mDtEnd;
         if ( enr < recurEvent->mDtStart )
             return false;
         if ( startDT && enr < *startDT )
             return false;
         
         int recDuration = recurEvent->mDtStart.secsTo( recurEvent->mDtEnd );
         if ( recurEvent->doesFloat() )
             recDuration += 86400;
         bool ok = false;
         QDateTime recStart;
         if ( startDT ) {
             recStart = recurEvent->recurrence()->getPreviousDateTime( startDT->addSecs( 61 ), &ok );
         }
         if ( recStart.isValid() ) {
             //qDebug("%s start at %s ", startDT->  toString().latin1(),       recStart.toString().latin1());
             recStart =  recStart.addSecs( -300);
         }
         else
             recStart = recurEvent->mDtStart.addSecs( -300);
         ok = true;
 
         while ( ok ) {
             recStart = recurEvent->getNextOccurence( recStart.addSecs( 60 ), &ok );
             if ( ok ) {
                 if ( recStart > enr )
                     return false;
                 QDateTime recEnd = recStart.addSecs( recDuration  );
                 if ( nonRecur->mDtStart < recEnd && recStart < nonRecur->mDtEnd ) {
                     if ( nonRecur->mDtStart < recStart )
                         *overlapDT =  recStart;
                     else
                         *overlapDT =  nonRecur->mDtStart;
                     if ( startDT  ) {
                         if ( *overlapDT >= *startDT )
                             return true;
                     } else
                         return true;
                 }
             }
         }
         return false;
     }
      if ( !doesFloat() && !testEvent->doesFloat() && !isMultiDay() && !testEvent->isMultiDay() ) {
          if ( recurrence()->doesRecur() == Recurrence::rWeekly &&  testEvent->recurrence()->doesRecur() == Recurrence::rWeekly ) {
              bool found = false;
              uint i;
              for ( i=0; i< recurrence()->days().size();++i ) {
                  found =  found || (recurrence()->days().testBit( i ) && testEvent->recurrence()->days().testBit( i ) );
              }
              if ( ! found ) {
                  //qDebug("recurring days mismatch %s -- %s", summary().latin1(),testEvent->summary().latin1());
                  return false;
              }
 
          }
     }
     bool ok = true;
     QDateTime incidenceStart;// = mDtStart;
     QDateTime testincidenceStart;// = testEvent->mDtStart;
     if ( startDT ) {
         incidenceStart = recurrence()->getPreviousDateTime( startDT->addSecs( 61 ), &ok );
         testincidenceStart = testEvent->recurrence()->getPreviousDateTime( startDT->addSecs( 61 ), &ok );
     }
     if ( !testincidenceStart.isValid() )
         testincidenceStart = testEvent->mDtStart;
     if ( !incidenceStart.isValid() )
         incidenceStart = mDtStart;
     int duration = mDtStart.secsTo( mDtEnd );
     if ( doesFloat() )
             duration += 86400;
     int testduration = testEvent->mDtStart.secsTo( testEvent->mDtEnd );
     if ( testEvent->doesFloat() )
             testduration += 86400;
     bool computeThis = false;
     if ( incidenceStart < testincidenceStart )
         computeThis = true;
     if ( computeThis )
         incidenceStart = incidenceStart.addSecs( -300 );
     else
         testincidenceStart = testincidenceStart.addSecs( -300 );
     int count = 0;
     ok = true;
     int countbreak = 2000;
     QDateTime stopSearch;
     bool testStop = false;
     if ( startDT ) {
         stopSearch = startDT->addDays( 365*3 );
         testStop = true;
     }
     while ( ok ) {
         ++count;
         if ( count > countbreak ) break;
         if ( computeThis ) {
             if ( testStop ) 
                 if ( testincidenceStart > stopSearch )
                     break;
             incidenceStart = getNextOccurence( incidenceStart.addSecs( 60 ), &ok );
         }
         else {
             if ( testStop ) 
                 if ( incidenceStart > stopSearch )
                     break;
             testincidenceStart = testEvent->getNextOccurence( testincidenceStart.addSecs( 60 ), &ok );
         }
         if ( ok ) {
             if ( incidenceStart < testincidenceStart.addSecs( testduration ) && testincidenceStart < incidenceStart.addSecs( duration ) ) {
                 if ( incidenceStart < testincidenceStart )
                     *overlapDT =  testincidenceStart;
                 else
                     *overlapDT =  incidenceStart; 
                 if (  startDT ) {
                     if ( *overlapDT >= *startDT )
                         return true;
                 } else
                     return true;
             }
             computeThis =  ( incidenceStart < testincidenceStart );
         }
         
     }
     //qDebug("%d rec counter stopped at %d - %s %s", ok ,count, summary().latin1(),testEvent->summary().latin1() );
     return false;
 }
 QDateTime Event::getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_dt ) const
 {
     *ok = false;
     if ( !alarmEnabled() )
         return QDateTime ();
     bool yes;
      QDateTime incidenceStart = getNextOccurence( start_dt, &yes );
      if ( ! yes || cancelled() ) {
          *ok = false;
          return QDateTime ();
      }
   
      bool enabled = false;
      Alarm* alarm;
      int off = 0;
      QDateTime alarmStart = QDateTime::currentDateTime().addDays( 3650 );;
     //  if ( QDateTime::currentDateTime() > incidenceStart ){
 //          *ok = false;
 //          return incidenceStart;
 //      }
      for (QPtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
          if (alarm->enabled()) {
              if ( alarm->hasTime () ) {
                  if ( alarm->time() < alarmStart ) {
                      alarmStart = alarm->time();
                      enabled = true;
                      off = alarmStart.secsTo( incidenceStart );
                  }
 
              } else {
                  int secs = alarm->startOffset().asSeconds();
                  if ( incidenceStart.addSecs( secs ) < alarmStart ) {
                      alarmStart = incidenceStart.addSecs( secs );
                      enabled = true;
                      off = -secs;
                  }
              }
          }
      }
      if ( enabled ) {
          if ( alarmStart >  start_dt  ) {
              *ok = true;
              * offset = off;
              return alarmStart;
          }
      }
      *ok = false;
      return QDateTime ();
 
 }
+
+QString Event::durationText()
+{
+    int sec = mDtStart.secsTo( mDtEnd );
+    if ( doesFloat() )
+        sec += 86400;
+    return durationText4Time( sec );
+}
diff --git a/libkcal/event.h b/libkcal/event.h
index 2da9770..6a58618 100644
--- a/libkcal/event.h
+++ b/libkcal/event.h
@@ -1,94 +1,95 @@
 /*
     This file is part of libkcal.
     Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
 
     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.
 */
 
 #ifndef EVENT_H
 #define EVENT_H
 //
 // Event component, representing a VEVENT object
 //
 
 #include "incidence.h"
 namespace KCal {
 
 /**
   This class provides an Event in the sense of RFC2445.
 */
 class Event : public Incidence
 {
   public:
     enum Transparency { Opaque, Transparent };
     typedef ListBase<Event> List;
     Event();
     Event(const Event &);
     ~Event();
     bool matchTime(QDateTime*startDT, QDateTime* endDT);
 
     QCString type() const { return "Event"; }
     IncTypeID typeID() const { return eventID; }
 
     Incidence *clone();
     QDateTime getNextAlarmDateTime( bool * ok, int * offset ,QDateTime start_dt  ) const;
 
     /** for setting an event's ending date/time with a QDateTime. */
     void setDtEnd(const QDateTime &dtEnd);
     /** Return the event's ending date/time as a QDateTime. */
     virtual QDateTime dtEnd() const;
     /** returns an event's end time as a string formatted according to the
      users locale settings */
     QString dtEndTimeStr() const;
     /** returns an event's end date as a string formatted according to the
      users locale settings */
     QString dtEndDateStr(bool shortfmt=true) const;
     /** returns an event's end date and time as a string formatted according
      to the users locale settings */
     QString dtEndStr(bool shortfmt=true) const;
     void setHasEndDate(bool);
     /** Return whether the event has an end date/time. */
     bool hasEndDate() const;
 
     /** Return true if the event spans multiple days, otherwise return false. */
     bool isMultiDay() const;
 
     /** set the event's time transparency level. */
     void setTransparency(Transparency transparency);
     /** get the event's time transparency level. */
     Transparency transparency() const;
 
     void setDuration(int seconds);
 
     bool contains ( Event*);
 
     bool isOverlapping (  Event*,  QDateTime*, QDateTime* );
+    QString durationText();
 
   private:
     bool accept(Visitor &v) { return v.visit(this); }
 
     QDateTime mDtEnd;
     bool mHasEndDate;
     Transparency mTransparency;
 };
 
 bool operator==( const Event&, const Event& );
 
 
 }
 
 
 #endif
diff --git a/libkcal/incidence.cpp b/libkcal/incidence.cpp
index 4643a3a..201f593 100644
--- a/libkcal/incidence.cpp
+++ b/libkcal/incidence.cpp
@@ -1,487 +1,516 @@
 /*
     This file is part of libkcal.
     Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
 
     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 <kglobal.h>
 #include <klocale.h>
 #include <kdebug.h>
 
 #include "calformat.h"
 
 #include "incidence.h"
 #include "todo.h"
 
 using namespace KCal;
 
 Incidence::Incidence() :
   IncidenceBase(),
   mRelatedTo(0), mSecrecy(SecrecyPublic), mPriority(3)
 {
     mRecurrence = 0;//new Recurrence(this);
   mCancelled = false;
   recreate();
   mHasStartDate = true;
   mAlarms.setAutoDelete(true);
   mAttachments.setAutoDelete(true);
   mHasRecurrenceID = false;
   mHoliday = false;
   mBirthday = false;
   mAnniversary = false;
 
 }
 
 Incidence::Incidence( const Incidence &i ) : IncidenceBase( i )
 {
 // TODO: reenable attributes currently commented out.
   mRevision = i.mRevision;
   mCreated = i.mCreated;
   mDescription = i.mDescription;
   mSummary = i.mSummary;
   mCategories = i.mCategories;
 //  Incidence *mRelatedTo;          Incidence *mRelatedTo;
   mRelatedTo = 0;
   mRelatedToUid = i.mRelatedToUid;
 //  QPtrList<Incidence> mRelations;    QPtrList<Incidence> mRelations;
   mExDates = i.mExDates;
   mAttachments = i.mAttachments;
   mResources = i.mResources;
   mSecrecy = i.mSecrecy;
   mPriority = i.mPriority;
   mLocation = i.mLocation;
   mCancelled = i.mCancelled;
   mHasStartDate = i.mHasStartDate;
   QPtrListIterator<Alarm> it( i.mAlarms );
   const Alarm *a;
   while( (a = it.current()) ) {
     Alarm *b = new Alarm( *a );
     b->setParent( this );
     mAlarms.append( b );
 
     ++it;
   }
   mAlarms.setAutoDelete(true);
   mHasRecurrenceID = i.mHasRecurrenceID;
   mRecurrenceID = i.mRecurrenceID;
   if ( i.mRecurrence )
       mRecurrence = new Recurrence( *(i.mRecurrence), this );
   else
       mRecurrence = 0;
   mHoliday = i.mHoliday ;
   mBirthday = i.mBirthday;
   mAnniversary = i.mAnniversary;
 }
 
 Incidence::~Incidence()
 {
    
   Incidence *ev;
    QPtrList<Incidence> Relations = relations();
   for (ev=Relations.first();ev;ev=Relations.next()) {
     if (ev->relatedTo() == this) ev->setRelatedTo(0);
   } 
   if (relatedTo()) relatedTo()->removeRelation(this);
   if ( mRecurrence ) 
       delete mRecurrence; 
  
 }
+QString Incidence::durationText()
+{
+    return "---";
+}
+QString Incidence::durationText4Time( int offset )
+{
+    int min = offset/60;
+    int hours = min /60;
+    min = min % 60;
+    int days = hours /24;
+    hours = hours % 24;
+
+    if ( doesFloat() || ( min == 0 && hours == 0 )  ) {
+        if ( days == 1 )
+            return "1" + i18n(" day");
+        else
+            return QString::number( days )+   i18n(" days");
 
+    }
+    QString message = QString::number ( hours ) +":";
+    if ( min < 10 ) message += "0";
+    message += QString::number ( min );
+    if ( days > 0 ) { 
+        if ( days == 1 )
+            message =  "1" + i18n(" day") + " "+message;
+        else
+            message =  QString::number( days )+   i18n(" days") + " "+message;
+    }
+    return message; 
+}
 bool Incidence::isHoliday() const
 {
     return mHoliday;
 }
 bool Incidence::isBirthday() const
 {
 
     return mBirthday ;
 }
 bool Incidence::isAnniversary() const
 {
     return mAnniversary ;
 
 }
 
 bool Incidence::hasRecurrenceID() const
 {
     return mHasRecurrenceID;
 }
 
 void Incidence::setHasRecurrenceID( bool b )
 {
     mHasRecurrenceID = b;
 }
    
 void Incidence::setRecurrenceID(QDateTime d)
 {
     mRecurrenceID = d;
     mHasRecurrenceID = true;
     updated(); 
 }
 QDateTime Incidence::recurrenceID () const
 {
     return mRecurrenceID;
 }
 
 bool Incidence::cancelled() const
 {
     return mCancelled;
 }
 void Incidence::setCancelled( bool b )
 {
     mCancelled = b;
     updated();
 }
 bool Incidence::hasStartDate() const
 {
   return mHasStartDate;
 }
 
 void Incidence::setHasStartDate(bool f)
 {
   if (mReadOnly) return;
   mHasStartDate = f;
   updated();
 }
 
 // A string comparison that considers that null and empty are the same
 static bool stringCompare( const QString& s1, const QString& s2 )
 {
     if ( s1.isEmpty() && s2.isEmpty() )
         return true;
     return s1 == s2;
 }
 
 bool KCal::operator==( const Incidence& i1, const Incidence& i2 )
 {
   
     if( i1.alarms().count() != i2.alarms().count() ) {
         return false; // no need to check further
     }
     if ( i1.alarms().count() > 0 ) {
         if ( !( *(i1.alarms().first()) == *(i2.alarms().first())) ) 
             {
             qDebug("alarm not equal ");
             return false;
         }
     }
 #if 0
     QPtrListIterator<Alarm> a1( i1.alarms() );
     QPtrListIterator<Alarm> a2( i2.alarms() );
     for( ; a1.current() && a2.current(); ++a1, ++a2 ) {
         if( *a1.current() == *a2.current() ) {
             continue;
         }
         else {
             return false;
         }
     }
 #endif
   
     if ( i1.hasRecurrenceID() == i2.hasRecurrenceID() ) {
         if ( i1.hasRecurrenceID() ) {
             if ( i1.recurrenceID() != i2.recurrenceID() )
                 return false;
         }
 
     } else {
         return false;
     }
 
     if ( ! operator==( (const IncidenceBase&)i1, (const IncidenceBase&)i2 ) )
         return false;
     if ( i1.hasStartDate() == i2.hasStartDate() ) {
         if ( i1.hasStartDate() ) {
             if ( i1.dtStart() != i2.dtStart() )
                 return false;
         }
     } else {
         return false;
     }
     if ( i1.mRecurrence != 0 && i2.mRecurrence != 0 ) {
         if (!( *i1.mRecurrence == *i2.mRecurrence) ) {
             //qDebug("recurrence is NOT equal ");
             return false;
         }
     } else {
         // one ( or both ) recurrence is 0
         if ( i1.mRecurrence == 0 ) {
             if ( i2.mRecurrence != 0 && i2.mRecurrence->doesRecur() != Recurrence::rNone )
                 return false;
         } else {
             // i1.mRecurrence != 0
             // i2.mRecurrence == 0
             if ( i1.mRecurrence->doesRecur() != Recurrence::rNone )
                 return false;
         }
     }
    
     return
         //  i1.created() == i2.created() &&
         stringCompare( i1.description(), i2.description() ) &&
         stringCompare( i1.summary(), i2.summary() ) &&
         i1.categories() == i2.categories() &&
         // no need to compare mRelatedTo
         stringCompare( i1.relatedToUid(), i2.relatedToUid() ) &&
         //      i1.relations() == i2.relations() &&
         i1.exDates() == i2.exDates() &&
         i1.attachments() == i2.attachments() &&
         i1.resources() == i2.resources() &&
         i1.secrecy() == i2.secrecy() &&
         i1.priority() == i2.priority() &&
         i1.cancelled() == i2.cancelled() &&
         stringCompare( i1.location(), i2.location() );
 }
 
 Incidence* Incidence::recreateCloneException( QDate d  )
 {
     Incidence* newInc = clone();
     newInc->recreate();
     if ( doesRecur() ) {
         addExDate( d );
         newInc->recurrence()->unsetRecurs();
         if ( typeID() == eventID ) {
             int len = dtStart().secsTo( ((Event*)this)->dtEnd());
             QTime tim = dtStart().time();
             newInc->setDtStart( QDateTime(d, tim) );
             ((Event*)newInc)->setDtEnd( newInc->dtStart().addSecs( len ) );
         } else {
             int len = dtStart().secsTo( ((Todo*)this)->dtDue());
             QTime tim = ((Todo*)this)->dtDue().time();
             ((Todo*)newInc)->setDtDue( QDateTime(d, tim) );
             ((Todo*)newInc)->setDtStart( ((Todo*)newInc)->dtDue().addSecs( -len ) );
             ((Todo*)this)->setRecurDates();
         }
         newInc->setExDates( DateList () );
     }
     return newInc;
 }
 
 void Incidence::recreate()
 {
   setCreated(QDateTime::currentDateTime());
 
   setUid(CalFormat::createUniqueId());
 
   setRevision(0);
   setIDStr( ":" );
   setLastModified(QDateTime::currentDateTime());
 }
 void Incidence::cloneRelations( Incidence * newInc )
 {
     // newInc is already a clone of this incidence
     Incidence * inc;
     Incidence * cloneInc;
     QPtrList<Incidence> Relations = relations();
     for (inc=Relations.first();inc;inc=Relations.next()) {
         cloneInc = inc->clone();
         cloneInc->recreate();
         cloneInc->setRelatedTo( newInc );
         inc->cloneRelations( cloneInc );
     } 
 }
 void Incidence::setReadOnly( bool readOnly )
 {
   IncidenceBase::setReadOnly( readOnly );
   if ( mRecurrence )
       mRecurrence->setRecurReadOnly( readOnly);
 }
 void Incidence::setLastModifiedSubInvalid()
 {
     mLastModifiedSub = QDateTime();
     if ( mRelatedTo )
         mRelatedTo->setLastModifiedSubInvalid();
 }
 QDateTime Incidence::lastModifiedSub()
 {
     if ( !mRelations.count() )
         return lastModified();
     if ( mLastModifiedSub.isValid() )
         return mLastModifiedSub;
     mLastModifiedSub = lastModified();
     Incidence * inc;
     QPtrList<Incidence> Relations = relations();
     for (inc=Relations.first();inc;inc=Relations.next()) {
         if ( inc->lastModifiedSub() > mLastModifiedSub )
             mLastModifiedSub = inc->lastModifiedSub();
     }
     return mLastModifiedSub;
 }
 void Incidence::setCreated(QDateTime created)
 {
   if (mReadOnly) return;
   mCreated = getEvenTime(created);
 }
 
 QDateTime Incidence::created() const
 {
   return mCreated;
 }
 
 void Incidence::setRevision(int rev)
 {
   if (mReadOnly) return;
   mRevision = rev;
 
   updated();
 }
 
 int Incidence::revision() const
 {
   return mRevision;
 }
 
 void Incidence::setDtStart(const QDateTime &dtStart)
 {
 
   QDateTime  dt = getEvenTime(dtStart);
 
   if ( mRecurrence )
       mRecurrence->setRecurStart( dt);
   IncidenceBase::setDtStart( dt );
 }
 
 void Incidence::setDescription(const QString &description)
 {
   if (mReadOnly) return;
   mDescription = description;
   updated();
 }
 
 QString Incidence::description() const
 {
   return mDescription;
 }
 
 
 void Incidence::setSummary(const QString &summary)
 {
   if (mReadOnly) return;
   mSummary = summary;
   updated();
 }
 
 QString Incidence::summary() const
 {
   return mSummary;
 }
 void Incidence::checkCategories()
 {
     mHoliday =  mCategories.contains("Holiday") || mCategories.contains(i18n("Holiday"));
     mBirthday =  mCategories.contains("Birthday") || mCategories.contains(i18n("Birthday"));
     mAnniversary =  mCategories.contains("Anniversary") || mCategories.contains(i18n("Anniversary"));
 }
 
 void Incidence::addCategories(const QStringList &categories, bool addToRelations ) //addToRelations = false
 {
     if (mReadOnly) return;
     int i;
     for( i = 0; i < categories.count(); ++i ) {
         if (  !mCategories.contains (categories[i]))
             mCategories.append( categories[i] );
     }
     checkCategories();
     updated();
     if ( addToRelations ) {
         Incidence * inc;
         QPtrList<Incidence> Relations = relations();
         for (inc=Relations.first();inc;inc=Relations.next()) {
             inc->addCategories( categories, true );
         } 
     }
 }
 
 void Incidence::setCategories(const QStringList &categories, bool setForRelations ) //setForRelations = false
 {
   if (mReadOnly) return;
   mCategories = categories;
   checkCategories();
   updated();
   if ( setForRelations ) {
       Incidence * inc;
       QPtrList<Incidence> Relations = relations();
       for (inc=Relations.first();inc;inc=Relations.next()) {
           inc->setCategories( categories, true );
       } 
   }
 }
 
 // TODO: remove setCategories(QString) function
 void Incidence::setCategories(const QString &catStr)
 {
   if (mReadOnly) return;
   mCategories.clear();
 
   if (catStr.isEmpty()) return;
 
   mCategories = QStringList::split(",",catStr);
 
   QStringList::Iterator it;
   for(it = mCategories.begin();it != mCategories.end(); ++it) {
     *it = (*it).stripWhiteSpace();
   }
   checkCategories();
   updated();
 }
 // using this makes filtering 3 times faster
 QStringList* Incidence::categoriesP()
 {
   return &mCategories;
 }
 
 QStringList Incidence::categories() const
 {
   return mCategories;
 }
 
 QString Incidence::categoriesStr()
 {
   return mCategories.join(",");
 }
 QString Incidence::categoriesStrWithSpace()
 {
   return mCategories.join(", ");
 }
 
 void Incidence::setRelatedToUid(const QString &relatedToUid)
 {
   if (mReadOnly) return;
   mRelatedToUid = relatedToUid;
 }
 
 QString Incidence::relatedToUid() const
 {
   return mRelatedToUid;
 }
 
 void Incidence::setRelatedTo(Incidence *relatedTo)
 {
     //qDebug("Incidence::setRelatedTo %d ", relatedTo);
     //qDebug("setRelatedTo(Incidence *relatedTo) %s %s", summary().latin1(), relatedTo->summary().latin1() );
   if (mReadOnly || mRelatedTo == relatedTo) return;
   if(mRelatedTo) {
       // updated();
     mRelatedTo->removeRelation(this);
   }
   mRelatedTo = relatedTo;
   if (mRelatedTo)  {
       mRelatedTo->addRelation(this);
       mRelatedToUid = mRelatedTo->uid();
   } else {
       mRelatedToUid = "";
   }
 }
diff --git a/libkcal/incidence.h b/libkcal/incidence.h
index 8519f01..88df217 100644
--- a/libkcal/incidence.h
+++ b/libkcal/incidence.h
@@ -1,322 +1,323 @@
 /*
     This file is part of libkcal.
     Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
 
     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.
 */
 #ifndef INCIDENCE_H
 #define INCIDENCE_H
 //
 // Incidence - base class of calendaring components
 //
 
 #include <qdatetime.h>
 #include <qstringlist.h>
 #include <qvaluelist.h>
 
 #include "recurrence.h"
 #include "alarm.h"
 #include "attachment.h"
 #include "listbase.h"
 #include "incidencebase.h"
 
 namespace KCal {
 
 class Event;
 class Todo;
 class Journal;
 
 /**
   This class provides the base class common to all calendar components.
 */
 class Incidence : public IncidenceBase
 {
   public:
     /**
       This class provides the interface for a visitor of calendar components. It
       serves as base class for concrete visitors, which implement certain actions on
       calendar components. It allows to add functions, which operate on the concrete
       types of calendar components, without changing the calendar component classes.
     */
     class Visitor
     {
       public:
         /** Destruct Incidence::Visitor */
         virtual ~Visitor() {}
 
         /**
           Reimplement this function in your concrete subclass of IncidenceVisitor to perform actions
           on an Event object.
         */
         virtual bool visit(Event *) { return false; }
         /**
           Reimplement this function in your concrete subclass of IncidenceVisitor to perform actions
           on an Todo object.
         */
         virtual bool visit(Todo *) { return false; }
         /**
           Reimplement this function in your concrete subclass of IncidenceVisitor to perform actions
           on an Journal object.
         */
         virtual bool visit(Journal *) { return false; }
 
       protected:
         /** Constructor is protected to prevent direct creation of visitor base class. */
         Visitor() {}
     };
 
     /**
       This class implements a visitor for adding an Incidence to a resource
       supporting addEvent(), addTodo() and addJournal() calls.
     */
     template<class T>
     class AddVisitor : public Visitor
     {
       public:
         AddVisitor( T *r ) : mResource( r ) {}
         bool visit( Event *e ) { return mResource->addEvent( e ); }
         bool visit( Todo *t ) { return mResource->addTodo( t ); }
         bool visit( Journal *j ) { return mResource->addJournal( j ); }
 
       private:
         T *mResource;
     };
 
     /** enumeration for describing an event's secrecy. */
     enum { SecrecyPublic = 0, SecrecyPrivate = 1, SecrecyConfidential = 2 };
     typedef ListBase<Incidence> List;
     Incidence();
     Incidence(const Incidence &);
     ~Incidence();
 
     /**
       Accept IncidenceVisitor. A class taking part in the visitor mechanism has to
       provide this implementation:
       <pre>
         bool accept(Visitor &v) { return v.visit(this); }
       </pre>
     */
     virtual bool accept(Visitor &) { return false; }
 
     virtual Incidence *clone() = 0;
     virtual void cloneRelations( Incidence * );
     void addRelationsToList(QPtrList<Incidence> *rel);
     virtual QDateTime getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_dt ) const = 0;
     void setReadOnly( bool );
 
     /**
       Recreate event. The event is made a new unique event, but already stored
       event information is preserved. Sets uniquie id, creation date, last
       modification date and revision number.
     */
     void recreate();
     Incidence*  recreateCloneException(QDate);
 
     /** set creation date */
     void setCreated(QDateTime);
     /** return time and date of creation. */
     QDateTime created() const;
 
     /** set the number of revisions this event has seen */
     void setRevision(int rev);
     /** return the number of revisions this event has seen */
     int revision() const;
 
     /** Set starting date/time. */
     virtual void setDtStart(const QDateTime &dtStart);
     /** Return the incidence's ending date/time as a QDateTime. */
     virtual QDateTime dtEnd() const  { return QDateTime(); }
 
     /** sets the event's lengthy description. */
     void setDescription(const QString &description);
     /** returns a reference to the event's description. */
     QString description() const;
 
     /** sets the event's short summary. */
     void setSummary(const QString &summary);
     /** returns a reference to the event's summary. */
     QString summary() const;
 
     /** set event's applicable categories */
     void setCategories(const QStringList &categories, bool setForRelations = false);
     void addCategories(const QStringList &categories, bool addToRelations = false);
     /** set event's categories based on a comma delimited string */
     void setCategories(const QString &catStr);
     /** return categories in a list */
     QStringList categories() const;
     QStringList* categoriesP();
     /** return categories as a comma separated string */
     QString categoriesStr();
     QString categoriesStrWithSpace();
 
     /** point at some other event to which the event relates. This function should
      *  only be used when constructing a calendar before the related Event
      *  exists. */
     void setRelatedToUid(const QString &);
     /** what event does this one relate to? This function should
      *  only be used when constructing a calendar before the related Event
      *  exists. */
     QString relatedToUid() const;
     /** point at some other event to which the event relates */
     void setRelatedTo(Incidence *relatedTo);
     /** what event does this one relate to? */
     Incidence *relatedTo() const;
     /** All events that are related to this event */
     QPtrList<Incidence> relations() const;
     /** Add an event which is related to this event */
     void addRelation(Incidence *);
     /** Remove event that is related to this event */
     void removeRelation(Incidence *);
 
     /** returns the list of dates which are exceptions to the recurrence rule */
     DateList exDates() const;
     /** sets the list of dates which are exceptions to the recurrence rule */
     void setExDates(const DateList &_exDates);
     void setExDates(const char *dates);
     /** Add a date to the list of exceptions of the recurrence rule. */
     void addExDate(const QDate &date);
 
     /** returns true if there is an exception for this date in the recurrence
      rule set, or false otherwise. */
     bool isException(const QDate &qd) const;
 
     /** add attachment to this event */
     void addAttachment(Attachment *attachment);
     /** remove and delete a specific attachment */
     void deleteAttachment(Attachment *attachment);
     /** remove and delete all attachments with this mime type */
     void deleteAttachments(const QString& mime);
     /** return list of all associated attachments */
     QPtrList<Attachment> attachments() const;
     /** find a list of attachments with this mime type */
     QPtrList<Attachment> attachments(const QString& mime) const;
 
     /** sets the event's status the value specified.  See the enumeration
      * above for possible values. */
     void setSecrecy(int);
     /** return the event's secrecy. */
     int secrecy() const;
     /** return the event's secrecy in string format. */
     QString secrecyStr() const;
     /** return list of all availbale secrecy classes */
     static QStringList secrecyList();
     /** return human-readable name of secrecy class */
     static QString secrecyName(int);
 
     /** returns TRUE if the date specified is one on which the event will
      * recur. */
     bool recursOn(const QDate &qd) const;
 
     // VEVENT and VTODO, but not VJOURNAL (move to EventBase class?):
 
     /** set resources used, such as Office, Car, etc. */
     void setResources(const QStringList &resources);
     /** return list of current resources */
     QStringList resources() const;
 
     /** set the event's priority, 0 is undefined, 1 highest (decreasing order) */
     void setPriority(int priority);
     /** get the event's priority */
     int priority() const;
 
     /** All alarms that are associated with this incidence */
     QPtrList<Alarm> alarms() const;
     /** Create a new alarm which is associated with this incidence */
     Alarm* newAlarm();
     /** Add an alarm which is associated with this incidence */
     void addAlarm(Alarm*);
     /** Remove an alarm that is associated with this incidence */
     void removeAlarm(Alarm*);
     /** Remove all alarms that are associated with this incidence */
     void clearAlarms();
     /** return whether any alarm associated with this incidence is enabled */
     bool isAlarmEnabled() const;
 
     /**
       Return the recurrence rule associated with this incidence. If there is
       none, returns an appropriate (non-0) object.
     */
     Recurrence *recurrence();
     void setRecurrence(Recurrence * r);
     /**
       Forward to Recurrence::doesRecur().
     */
     ushort doesRecur() const;
 
     /** set the event's/todo's location. Do _not_ use it with journal */
     void setLocation(const QString &location);
     /** return the event's/todo's location. Do _not_ use it with journal */
     QString location() const;  
    /** returns TRUE or FALSE depending on whether the todo has a start date */
     bool hasStartDate() const;
     /** sets the event's hasStartDate value. */
     void setHasStartDate(bool f);
     QDateTime getNextOccurence( const QDateTime& dt, bool* yes ) const;
     bool cancelled() const;
     void setCancelled( bool b );
     
     bool hasRecurrenceID() const;
     void setHasRecurrenceID( bool b );
     
     void setRecurrenceID(QDateTime);
     QDateTime recurrenceID () const;
     QDateTime dtStart() const;
     bool isHoliday() const;
     bool isBirthday() const;
     bool isAnniversary() const;
     QDateTime lastModifiedSub();
     QString recurrenceText() const;
     void setLastModifiedSubInvalid();
     
-
+    virtual QString durationText();
+    QString durationText4Time( int secs );
     Recurrence *mRecurrence;
 protected:
     QPtrList<Alarm> mAlarms;
     QPtrList<Incidence> mRelations;
     QDateTime mRecurrenceID;
     bool mHasRecurrenceID;
   private:
     void checkCategories();
     bool mHoliday, mBirthday, mAnniversary;
     int mRevision;
     bool mCancelled;
 
     // base components of jounal, event and todo
     QDateTime mCreated;
     QDateTime mLastModifiedSub;
     QString mDescription;
     QString mSummary;
     QStringList mCategories;
     Incidence *mRelatedTo;
     QString mRelatedToUid;
     DateList mExDates;
     QPtrList<Attachment> mAttachments;
     QStringList mResources;
     bool mHasStartDate;                  // if todo has associated start date
 
     int mSecrecy;
     int mPriority;                        // 1 = highest, 2 = less, etc.
 
     //QPtrList<Alarm> mAlarms;
     
     QString mLocation;
 };
 
 bool operator==( const Incidence&, const Incidence& );
 
 }
 
 #endif
diff --git a/libkcal/todo.cpp b/libkcal/todo.cpp
index 7bf756a..e4508a0 100644
--- a/libkcal/todo.cpp
+++ b/libkcal/todo.cpp
@@ -233,384 +233,394 @@ bool Todo::contains ( Todo* from )
         }
     }
    
     QStringList cat = categories();
     QStringList catFrom = from->categories();
     QString nCat;
     unsigned int iii;
     for ( iii = 0; iii < catFrom.count();++iii ) {
         nCat = catFrom[iii];
         if ( !nCat.isEmpty() )
             if ( !cat.contains( nCat )) {
                 return false;
             }
     }
     if ( from->isCompleted() ) {
         if ( !isCompleted() )
             return false;
     }
     if( priority() !=  from->priority() )
         return false;
 
 
     return true;
 
 }
 bool KCal::operator==( const Todo& t1, const Todo& t2 )
 {
 
     bool ret = operator==( (const Incidence&)t1, (const Incidence&)t2 );
     if ( ! ret )
         return false;
     if (  t1.hasDueDate() == t2.hasDueDate() ) {
         if ( t1.hasDueDate() ) {
             if ( t1.doesFloat() == t2.doesFloat() ) {
                 if ( t1.doesFloat() ) {
                     if ( t1.dtDue().date() != t2.dtDue().date() )
                         return false;
                 } else
                     if ( t1.dtDue() != t2.dtDue() ) 
                         return false;
             } else
                 return false;// float !=
         }
         
     } else
         return false;
     if ( t1.percentComplete() != t2.percentComplete() )
         return false;
     if ( t1.isCompleted() ) {
         if (  t1.hasCompletedDate() == t2.hasCompletedDate() ) {
             if ( t1.hasCompletedDate() ) {
                 if ( t1.completed() != t2.completed() )
                     return false;
             }
             
         } else
             return false;
     }
     return true;
 
 }
 
 void Todo::setDtDue(const QDateTime &dtDue)
 {
   //int diffsecs = mDtDue.secsTo(dtDue);
 
   /*if (mReadOnly) return;
   const QPtrList<Alarm>& alarms = alarms();
   for (Alarm* alarm = alarms.first(); alarm; alarm = alarms.next()) {
     if (alarm->enabled()) {
       alarm->setTime(alarm->time().addSecs(diffsecs));
     }
   }*/
   mDtDue = getEvenTime(dtDue);
 
   //kdDebug(5800) << "setDtDue says date is " << mDtDue.toString() << endl;
 
   /*const QPtrList<Alarm>& alarms = alarms();
   for (Alarm* alarm = alarms.first(); alarm; alarm = alarms.next())
     alarm->setAlarmStart(mDtDue);*/
   updated();
 }
 
 QDateTime Todo::dtDue() const
 {
   return mDtDue;
 }
 
 QString Todo::dtDueTimeStr() const
 {
   return KGlobal::locale()->formatTime(mDtDue.time());
 }
 
 QString Todo::dtDueDateStr(bool shortfmt) const
 {
   return KGlobal::locale()->formatDate(mDtDue.date(),shortfmt);
 }
 
 QString Todo::dtDueStr(bool shortfmt) const
 {
     if ( doesFloat() )
         return KGlobal::locale()->formatDate(mDtDue.date(),shortfmt);
     return KGlobal::locale()->formatDateTime(mDtDue, shortfmt);
 }
 // retval 0 : no found
 //        1 : due for date found
 //        2 : overdue for date found
 int Todo::hasDueSubTodoForDate( const QDate & date, bool checkSubtodos  )
 {
     int retval = 0;
     if ( isCompleted() )
         return 0;
     if ( hasDueDate() ) {
         if ( dtDue().date() < date )
             return 2;
         // we do not return, because we may find an overdue sub todo
         if ( dtDue().date() == date )
             retval = 1;
     }
     if ( checkSubtodos ) {
         Incidence *aTodo;
         for (aTodo = mRelations.first(); aTodo; aTodo = mRelations.next()) {
             int ret = ((Todo*)aTodo)->hasDueSubTodoForDate( date ,checkSubtodos );
             if ( ret == 2 )
                 return 2;
             if ( ret == 1)
                 retval = 1;
         }
     }
     return retval;
 }
 int Todo::hasDueSubTodo( bool checkSubtodos  ) //= true
 {  
     return hasDueSubTodoForDate(QDate::currentDate(), checkSubtodos );
 }
 bool Todo::hasDueDate() const
 {
   return mHasDueDate;
 }
 
 void Todo::setHasDueDate(bool f)
 {
   if (mReadOnly) return;
   mHasDueDate = f;
   updated();
 }
 
 
 #if 0
 void Todo::setStatus(const QString &statStr)
 {
   if (mReadOnly) return;
   QString ss(statStr.upper());
 
   if (ss == "X-ACTION")
     mStatus = NEEDS_ACTION;
   else if (ss == "NEEDS ACTION")
     mStatus = NEEDS_ACTION;
   else if (ss == "ACCEPTED")
     mStatus = ACCEPTED;
   else if (ss == "SENT")
     mStatus = SENT;
   else if (ss == "TENTATIVE")
     mStatus = TENTATIVE;
   else if (ss == "CONFIRMED")
     mStatus = CONFIRMED;
   else if (ss == "DECLINED")
     mStatus = DECLINED;
   else if (ss == "COMPLETED")
     mStatus = COMPLETED;
   else if (ss == "DELEGATED")
     mStatus = DELEGATED;
 
   updated();
 }
 
 void Todo::setStatus(int status)
 {
   if (mReadOnly) return;
   mStatus = status;
   updated();
 }
 
 int Todo::status() const
 {
   return mStatus;
 }
 
 QString Todo::statusStr() const
 {
   switch(mStatus) {
   case NEEDS_ACTION:
     return QString("NEEDS ACTION");
     break;
   case ACCEPTED:
     return QString("ACCEPTED");
     break;
   case SENT:
     return QString("SENT");
     break;
   case TENTATIVE:
     return QString("TENTATIVE");
     break;
   case CONFIRMED:
     return QString("CONFIRMED");
     break;
   case DECLINED:
     return QString("DECLINED");
     break;
   case COMPLETED:
     return QString("COMPLETED");
     break;
   case DELEGATED:
     return QString("DELEGATED");
     break;
   }
   return QString("");
 }
 #endif
 
 bool Todo::isCompleted() const
 {
     if (mPercentComplete == 100) {
         return true;
     }
     else return false;
 }
 
 void Todo::setCompleted(bool completed)
 {
     if ( mHasRecurrenceID && completed && mPercentComplete != 100 ) {
         if ( !setRecurDates() )
             completed = false;
     }
   if (completed) mPercentComplete = 100;
   else {
       mPercentComplete = 0;
       mHasCompletedDate = false;
   }
   updated();
 }
 
 QDateTime Todo::completed() const
 {
   return mCompleted;
 }
 
 QString Todo::completedStr( bool shortF ) const
 {
     return KGlobal::locale()->formatDateTime(mCompleted, shortF);
 }
 
 void Todo::setCompleted(const QDateTime &completed)
 {
     //qDebug("Todo::setCompleted ");
     if ( mHasCompletedDate ) {
         // qDebug("has completed data - return ");
         return;
     }
   mHasCompletedDate = true;
   mPercentComplete = 100;
   mCompleted = getEvenTime(completed);
   updated();
 }
 
 bool Todo::hasCompletedDate() const
 {
   return mHasCompletedDate;
 }
 
 int Todo::percentComplete() const
 {
   return mPercentComplete;
 }
 bool Todo::setRecurDates()
 {
     if ( !mHasRecurrenceID )
         return true;
     int secs = mDtStart.secsTo( dtDue() );   
     bool ok;
     qDebug("T:setRecurDates() ");
     //qDebug("%s %s %s ",mDtStart.toString().latin1(), dtDue().toString().latin1(),mRecurrenceID.toString().latin1() );
     QDateTime next = getNextOccurence(  mRecurrenceID, &ok );
     if ( ok ) { 
         mRecurrenceID = next;
         mDtStart = next;
         setDtDue( next.addSecs( secs ) );
         if ( QDateTime::currentDateTime() > next) 
             return false;
     } else {
         setHasRecurrenceID( false );
         recurrence()->unsetRecurs();
     }
     return true;
 }
 void Todo::setPercentComplete(int v)
 { 
     if ( mHasRecurrenceID && v == 100 && mPercentComplete != 100 ) {
         if ( !setRecurDates() )
             v = 0;
     }
   mPercentComplete = v;
   if ( v != 100 )
       mHasCompletedDate = false;
   updated();
 }
 QDateTime Todo::getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_dt ) const
 {
     *ok = false;
     if ( ! hasDueDate() || cancelled() || !alarmEnabled() ) {
          return QDateTime ();
      }
     // if the recurring todo is set to complete and requested time < start time of todo
     // we want to get the alarm.
     bool iscompleted = isCompleted();
     if ( iscompleted && doesRecur() ) {
         Todo * to = (Todo*) this;
         to->checkSetCompletedFalse();
         iscompleted = isCompleted();
         if ( hasStartDate() && start_dt < dtStart() ){
             iscompleted = false;
         }
     }
     if ( iscompleted ) {
         return QDateTime ();
     }
      QDateTime incidenceStart;
      incidenceStart = dtDue(); 
      bool enabled = false;
      Alarm* alarm;
      int off = 0;
      QDateTime alarmStart = QDateTime::currentDateTime().addDays( 3650 );;
     //  if ( QDateTime::currentDateTime() > incidenceStart ){
 //          *ok = false;
 //          return incidenceStart;
 //      }
      for (QPtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
          if (alarm->enabled()) {
              if ( alarm->hasTime () ) {
                  if ( alarm->time() < alarmStart ) {
                      alarmStart = alarm->time();
                      enabled = true;
                      off = alarmStart.secsTo( incidenceStart );
                  }
 
              } else {
                  int secs = alarm->startOffset().asSeconds();
                  if ( incidenceStart.addSecs( secs ) < alarmStart ) {
                      alarmStart = incidenceStart.addSecs( secs );
                      enabled = true;
                      off = -secs;
                  }
              }
          }
      }
      if ( enabled ) {
          if ( alarmStart >  start_dt  ) {
              *ok = true;
              * offset = off;
              return alarmStart;
          }
      }
      *ok = false;
      return QDateTime ();
 
 }
 
 void Todo::checkSetCompletedFalse()
 {
     if ( !mHasRecurrenceID ) {
         qDebug("ERROR 1 in Todo::checkSetCompletedFalse");
         return;
     }
     // qDebug("Todo::checkSetCompletedFalse()");
     //qDebug("%s %s %s ",mDtStart.toString().latin1(), dtDue().toString().latin1(),mRecurrenceID.toString().latin1() );
     if ( mPercentComplete == 100 ) {
         QDateTime dt = QDateTime::currentDateTime();
         if ( dt > mDtStart && dt > mRecurrenceID ) {
             qDebug("start: %s --due: %s --recID: %s ",mDtStart.toString().latin1(), dtDue().toString().latin1(),mRecurrenceID.toString().latin1() );
             setCompleted( false );
             qDebug("Todo::checkSetCompletedFalse ");
         }
     }
 }
+QString Todo::durationText()
+{
+    if ( mHasDueDate && hasStartDate() ) {
+        int sec = dtStart().secsTo( dtDue() );
+        if ( doesFloat() )
+            sec += 86400;
+        return durationText4Time( sec );
+    }
+    return "---";
+}
diff --git a/libkcal/todo.h b/libkcal/todo.h
index 425dfad..7feb32e 100644
--- a/libkcal/todo.h
+++ b/libkcal/todo.h
@@ -1,155 +1,156 @@
 /*
     This file is part of libkcal.
     Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
 
     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.
 */
 #ifndef TODO_H
 #define TODO_H
 //
 // Todo component, representing a VTODO object
 //
 
 #include "incidence.h"
 
 #include <qtimer.h>
 
 namespace KCal {
 
 /**
   This class provides a Todo in the sense of RFC2445.
 */
     class Todo : public QObject,public Incidence
 {
  Q_OBJECT
   public:
     Todo();
     Todo(const Todo &);
     ~Todo();
     typedef ListBase<Todo> List;
     QCString type() const { return "Todo"; }
     IncTypeID typeID() const { return todoID; }
 
     /** Return an exact copy of this todo. */
     Incidence *clone();
     QDateTime getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_dt ) const;
 
     /** for setting the todo's due date/time with a QDateTime. */
     void setDtDue(const QDateTime &dtDue);
     /** returns an event's Due date/time as a QDateTime. */
     QDateTime dtDue() const;
     /** returns an event's due time as a string formatted according to the
      users locale settings */
     QString dtDueTimeStr() const;
     /** returns an event's due date as a string formatted according to the
      users locale settings */
     QString dtDueDateStr(bool shortfmt=true) const;
     /** returns an event's due date and time as a string formatted according
      to the users locale settings */
     QString dtDueStr(bool shortfmt=true) const;
 
     /** returns TRUE or FALSE depending on whether the todo has a due date */
     bool hasDueDate() const;
     /** sets the event's hasDueDate value. */
     void setHasDueDate(bool f);
 
     /*
       Looks for a subtodo (including itself ) which is not complete and is
       - overdue, or
       - due today.
       It returns 0 for nothing found,
       1 for found a todo which is due today and no overdue found
       2 for found a overdue todo
     */
     int hasDueSubTodo( bool checkSubtodos = true );
     /* same as above, but a specific date can be specified*/
     int hasDueSubTodoForDate( const  QDate & date, bool checkSubtodos );
 
  
     /** sets the event's status to the string specified.  The string
      * must be a recognized value for the status field, i.e. a string
      * equivalent of the possible status enumerations previously described. */
 //    void setStatus(const QString &statStr);
     /** sets the event's status to the value specified.  See the enumeration
      * above for possible values. */
 //    void setStatus(int);
     /** return the event's status. */
 //    int status() const;
     /** return the event's status in string format. */
 //    QString statusStr() const;
 
     /** return, if this todo is completed */
     bool isCompleted() const;
     /** set completed state of this todo */
     void setCompleted(bool);
     
     /**
       Return how many percent of the task are completed. Returns a value
       between 0 and 100.
     */
     int percentComplete() const;
     /**
       Set how many percent of the task are completed. Valid values are in the
       range from 0 to 100.
     */
     void setPercentComplete(int);
 
     /** return date and time when todo was completed */
     QDateTime completed() const;
     QString completedStr(bool shortF = true) const;
     /** set date and time of completion */
     void setCompleted(const QDateTime &completed);
 
     /** Return true, if todo has a date associated with completion */
     bool hasCompletedDate() const;
     bool contains ( Todo*);
     void checkSetCompletedFalse();
     bool setRecurDates();
     bool isRunning() {return mRunning;}
     bool hasRunningSub();
     void setRunning( bool );
     void setRunningFalse( QString );
     void stopRunning();
     int runTime();
     QDateTime runStart () const { return mRunStart;}
     void saveRunningInfo( QString comment, QDateTime start, QDateTime end );
     public slots:
     void saveRunningInfoToFile( QString st );
     void saveRunningInfoToFile( );
     void saveParents();
+    QString durationText();
   private:
     bool mRunning;
     QTimer * mRunSaveTimer;
     QDateTime mRunStart;
     QDateTime mRunEnd;
     bool accept(Visitor &v) { return v.visit(this); }
 
     QDateTime mDtDue;                     // due date of todo
 
     bool mHasDueDate;                    // if todo has associated due date
 
 //    int  mStatus;                         // confirmed/delegated/tentative/etc
 
     QDateTime mCompleted;
     bool mHasCompletedDate;
 
     int mPercentComplete;
 };
 
     bool operator==( const Todo&, const Todo& );
 }
 
 #endif