3 files changed, 27 insertions, 17 deletions

diff --git a/bin/kdepim/WhatsNew.txt b/bin/kdepim/WhatsNew.txt
index 06aa5f6..01d9e27 100644
--- a/bin/kdepim/WhatsNew.txt
+++ b/bin/kdepim/WhatsNew.txt
@@ -11,6 +11,8 @@ Added a "go today" button to the datepicker.
 Added "created" and "last modified" to event/todo viewer (and What'sThis viewer)
 and made it configureable to show these values.
 
+Fixed a problem for events (from external iCal files) that do have a duration but no end date.
+
 
 ********** VERSION 2.0.7 ************
 
diff --git a/libkcal/icalformatimpl.cpp b/libkcal/icalformatimpl.cpp
index 2e38ae3..eae41aa 100644
--- a/libkcal/icalformatimpl.cpp
+++ b/libkcal/icalformatimpl.cpp
@@ -408,11 +408,11 @@ void ICalFormatImpl::writeIncidence(icalcomponent *parent,Incidence *incidence)
 
 // turned off as it always is set to PTS0 (and must not occur together with DTEND
 
-//  if (incidence->hasDuration()) {
-//    icaldurationtype duration;
-//    duration = writeICalDuration(incidence->duration());
-//    icalcomponent_add_property(parent,icalproperty_new_duration(duration));
-//  }
+  if (incidence->hasDuration()) {
+      icaldurationtype duration;
+      duration = writeICalDuration(incidence->duration());
+      icalcomponent_add_property(parent,icalproperty_new_duration(duration));
+  }
 }
 
 void ICalFormatImpl::writeIncidenceBase(icalcomponent *parent,IncidenceBase *incidenceBase)
@@ -1769,17 +1769,18 @@ icaldurationtype ICalFormatImpl::writeICalDuration(int seconds)
 {
   icaldurationtype d;
 
-  d.weeks    = seconds   % gSecondsPerWeek;
-  seconds   -= d.weeks   * gSecondsPerWeek;
-  d.days     = seconds   % gSecondsPerDay;
-  seconds   -= d.days    * gSecondsPerDay;
-  d.hours    = seconds   % gSecondsPerHour;
-  seconds   -= d.hours   * gSecondsPerHour;
-  d.minutes  = seconds   % gSecondsPerMinute;
-  seconds   -= d.minutes * gSecondsPerMinute;
+  d.is_neg  = (seconds<0)?1:0;
+  if (seconds<0) seconds = -seconds;
+
+  d.weeks    = seconds / gSecondsPerWeek;
+  seconds   %= gSecondsPerWeek;
+  d.days     = seconds / gSecondsPerDay;
+  seconds   %= gSecondsPerDay;
+  d.hours    = seconds / gSecondsPerHour;
+  seconds   %= gSecondsPerHour;
+  d.minutes  = seconds / gSecondsPerMinute;
+  seconds   %= gSecondsPerMinute;
   d.seconds  = seconds;
-  d.is_neg = 0;
-
   return d;
 }
 
diff --git a/libkcal/incidencebase.cpp b/libkcal/incidencebase.cpp
index 51f2e9d..1e99082 100644
--- a/libkcal/incidencebase.cpp
+++ b/libkcal/incidencebase.cpp
@@ -106,13 +106,20 @@ bool KCal::operator==( const IncidenceBase& i1, const IncidenceBase& i2 )
     qDebug("6 %d ",i1.organizer() == i2.organizer() );
   
 #endif
+    if ( i1.hasDuration() == i2.hasDuration() ) {
+        if ( i1.hasDuration() ) {
+            if ( i1.duration() != i2.duration() )
+                return false;
+        }
+    } else {
+        return false;
+    }
+
     return ( i1.organizer() == i2.organizer() &&
              // i1.uid() == i2.uid() &&
              // Don't compare lastModified, otherwise the operator is not
              // of much use. We are not comparing for identity, after all.
              i1.doesFloat() == i2.doesFloat() &&
-             i1.duration() == i2.duration() &&
-             i1.hasDuration() == i2.hasDuration() &&
              i1.pilotId() == i2.pilotId() );// &&  i1.syncStatus() == i2.syncStatus() );
     // no need to compare mObserver
 }