initial public commit of qt4 portp1

50 files changed, 521 insertions, 449 deletions

diff --git a/libkcal/alarm.cpp b/libkcal/alarm.cpp
index 3157214..3c4a81c 100644
--- a/libkcal/alarm.cpp
+++ b/libkcal/alarm.cpp
@@ -26,6 +26,8 @@
 #include "todo.h"
 
 #include "alarm.h"
+//Added by qt3to4:
+#include <Q3ValueList>
 
 using namespace KCal;
 #include <qwidget.h>
@@ -212,7 +214,7 @@ QString Alarm::programArguments() const
 }
 
 void Alarm::setEmailAlarm(const QString &subject, const QString &text,
-                          const QValueList<Person> &addressees, const QStringList &attachments)
+                          const Q3ValueList<Person> &addressees, const QStringList &attachments)
 {
   mType = Email;
   mMailSubject = subject;
@@ -231,7 +233,7 @@ void Alarm::setMailAddress(const Person &mailAddress)
   }
 }
 
-void Alarm::setMailAddresses(const QValueList<Person> &mailAddresses)
+void Alarm::setMailAddresses(const Q3ValueList<Person> &mailAddresses)
 {
   if (mType == Email) {
     mMailAddresses = mailAddresses;
@@ -247,9 +249,9 @@ void Alarm::addMailAddress(const Person &mailAddress)
   }
 }
 
-QValueList<Person> Alarm::mailAddresses() const
+Q3ValueList<Person> Alarm::mailAddresses() const
 {
-  return (mType == Email) ? mMailAddresses : QValueList<Person>();
+  return (mType == Email) ? mMailAddresses : Q3ValueList<Person>();
 }
 
 void Alarm::setMailSubject(const QString &mailAlarmSubject)
diff --git a/libkcal/alarm.h b/libkcal/alarm.h
index ac6ea0d..b24f0f7 100644
--- a/libkcal/alarm.h
+++ b/libkcal/alarm.h
@@ -22,7 +22,7 @@
 #define KCAL_ALARM_H
 
 #include <qstring.h>
-#include <qvaluelist.h>
+#include <q3valuelist.h>
 
 #include "customproperties.h"
 #include "duration.h"
@@ -39,7 +39,7 @@ class Alarm : public CustomProperties
 {
   public:
     enum Type { Invalid, Display, Procedure, Email, Audio };
-    typedef QValueList<Alarm *> List;
+    typedef Q3ValueList<Alarm *> List;
 
     /** Construct a new alarm with variables initialized to "sane" values. */
     explicit Alarm(Incidence *parent);
@@ -112,7 +112,7 @@ class Alarm : public CustomProperties
         @param addressees email addresses of recipient(s).
         @param attachments optional names of files to attach to the email.
      */
-    void setEmailAlarm(const QString &subject, const QString &text, const QValueList<Person> &addressees,
+    void setEmailAlarm(const QString &subject, const QString &text, const Q3ValueList<Person> &addressees,
                        const QStringList &attachments = QStringList());
 
     /** Send mail to this address when the alarm is triggered.
@@ -122,13 +122,13 @@ class Alarm : public CustomProperties
     /** Send mail to these addresses when the alarm is triggered.
         Ignored if the alarm is not an email alarm.
      */
-    void setMailAddresses(const QValueList<Person> &mailAlarmAddresses);
+    void setMailAddresses(const Q3ValueList<Person> &mailAlarmAddresses);
     /** Add this address to the list of addresses to send mail to when the alarm is triggered.
         Ignored if the alarm is not an email alarm.
      */
     void addMailAddress(const Person &mailAlarmAddress);
     /** return the addresses to send mail to when an alarm goes off */
-    QValueList<Person> mailAddresses() const;
+    Q3ValueList<Person> mailAddresses() const;
 
     /** Set the subject line of the mail.
         Ignored if the alarm is not an email alarm.
@@ -226,7 +226,7 @@ class Alarm : public CustomProperties
     QString mDescription;        // text to display/email body/procedure arguments
     QString mFile;               // procedure program to run/optional audio file to play
     QStringList mMailAttachFiles;      // filenames to attach to email
-    QValueList<Person> mMailAddresses; // who to mail for reminder
+    Q3ValueList<Person> mMailAddresses; // who to mail for reminder
     QString mMailSubject;        // subject of email
 
     int mAlarmSnoozeTime;        // number of minutes after alarm to
diff --git a/libkcal/calendar.cpp b/libkcal/calendar.cpp
index 9b38d3f..bf095cf 100644
--- a/libkcal/calendar.cpp
+++ b/libkcal/calendar.cpp
@@ -30,6 +30,8 @@
 
 #include "calendar.h"
 #include "syncdefines.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 using namespace KCal;
 
@@ -271,19 +273,19 @@ CalFilter *Calendar::filter()
   return mFilter;
 }
 
-QPtrList<Incidence> Calendar::incidences()
+Q3PtrList<Incidence> Calendar::incidences()
 {
-  QPtrList<Incidence> incidences;
+  Q3PtrList<Incidence> incidences;
   
   Incidence *i;
 
-  QPtrList<Event> e = events();
+  Q3PtrList<Event> e = events();
   for( i = e.first(); i; i = e.next() ) incidences.append( i );
 
-  QPtrList<Todo> t = todos();
+  Q3PtrList<Todo> t = todos();
   for( i = t.first(); i; i = t.next() ) incidences.append( i );
 
-  QPtrList<Journal> j = journals();
+  Q3PtrList<Journal> j = journals();
   for( i = j.first(); i; i = j.next() ) incidences.append( i );
 
   return incidences;
@@ -291,77 +293,77 @@ QPtrList<Incidence> Calendar::incidences()
 
 void Calendar::resetPilotStat(int id )
 {
- QPtrList<Incidence> incidences;
+ Q3PtrList<Incidence> incidences;
   
   Incidence *i;
 
-  QPtrList<Event> e = rawEvents();
+  Q3PtrList<Event> e = rawEvents();
   for( i = e.first(); i; i = e.next() ) i->setPilotId( id );
 
-  QPtrList<Todo> t = rawTodos();
+  Q3PtrList<Todo> t = rawTodos();
   for( i = t.first(); i; i = t.next() ) i->setPilotId( id );
 
-  QPtrList<Journal> j = journals();
+  Q3PtrList<Journal> j = journals();
   for( i = j.first(); i; i = j.next() ) i->setPilotId( id );
 }
 void Calendar::resetTempSyncStat()
 {
- QPtrList<Incidence> incidences;
+ Q3PtrList<Incidence> incidences;
   
   Incidence *i;
 
-  QPtrList<Event> e = rawEvents();
+  Q3PtrList<Event> e = rawEvents();
   for( i = e.first(); i; i = e.next() ) i->setTempSyncStat( SYNC_TEMPSTATE_INITIAL );
 
-  QPtrList<Todo> t = rawTodos();
+  Q3PtrList<Todo> t = rawTodos();
   for( i = t.first(); i; i = t.next() ) i->setTempSyncStat( SYNC_TEMPSTATE_INITIAL );
 
-  QPtrList<Journal> j = journals();
+  Q3PtrList<Journal> j = journals();
   for( i = j.first(); i; i = j.next() ) i->setTempSyncStat( SYNC_TEMPSTATE_INITIAL );
 }
-QPtrList<Incidence> Calendar::rawIncidences()
+Q3PtrList<Incidence> Calendar::rawIncidences()
 {
-  QPtrList<Incidence> incidences;
+  Q3PtrList<Incidence> incidences;
   
   Incidence *i;
 
-  QPtrList<Event> e = rawEvents();
+  Q3PtrList<Event> e = rawEvents();
   for( i = e.first(); i; i = e.next() ) incidences.append( i );
 
-  QPtrList<Todo> t = rawTodos();
+  Q3PtrList<Todo> t = rawTodos();
   for( i = t.first(); i; i = t.next() ) incidences.append( i );
 
-  QPtrList<Journal> j = journals();
+  Q3PtrList<Journal> j = journals();
   for( i = j.first(); i; i = j.next() ) incidences.append( i );
 
   return incidences;
 }
 
-QPtrList<Event> Calendar::events( const QDate &date, bool sorted )
+Q3PtrList<Event> Calendar::events( const QDate &date, bool sorted )
 {
-  QPtrList<Event> el = rawEventsForDate(date,sorted);
+  Q3PtrList<Event> el = rawEventsForDate(date,sorted);
   mFilter->apply(&el);
   return el;
 }
 
-QPtrList<Event> Calendar::events( const QDateTime &qdt )
+Q3PtrList<Event> Calendar::events( const QDateTime &qdt )
 {
-  QPtrList<Event> el = rawEventsForDate(qdt);
+  Q3PtrList<Event> el = rawEventsForDate(qdt);
   mFilter->apply(&el);
   return el;
 }
 
-QPtrList<Event> Calendar::events( const QDate &start, const QDate &end,
+Q3PtrList<Event> Calendar::events( const QDate &start, const QDate &end,
                                   bool inclusive)
 {
-  QPtrList<Event> el = rawEvents(start,end,inclusive);
+  Q3PtrList<Event> el = rawEvents(start,end,inclusive);
   mFilter->apply(&el);
   return el;
 }
 
-QPtrList<Event> Calendar::events()
+Q3PtrList<Event> Calendar::events()
 {
-  QPtrList<Event> el = rawEvents();
+  Q3PtrList<Event> el = rawEvents();
   mFilter->apply(&el);
   return el;
 }
@@ -369,7 +371,7 @@ void Calendar::addIncidenceBranch(Incidence *i)
 {
     addIncidence( i );
     Incidence * inc;
-    QPtrList<Incidence> Relations = i->relations();
+    Q3PtrList<Incidence> Relations = i->relations();
     for (inc=Relations.first();inc;inc=Relations.next()) {
        addIncidenceBranch( inc );
     } 
@@ -407,9 +409,9 @@ Incidence* Calendar::incidence( const QString& uid )
   return 0;
 }
 
-QPtrList<Todo> Calendar::todos()
+Q3PtrList<Todo> Calendar::todos()
 {
-  QPtrList<Todo> tl = rawTodos();
+  Q3PtrList<Todo> tl = rawTodos();
   mFilter->apply( &tl );
   return tl;
 }
@@ -455,7 +457,7 @@ void Calendar::removeRelations( Incidence *incidence )
     // qDebug("Calendar::removeRelations ");
     QString uid = incidence->uid();
 
-    QPtrList<Incidence> relations = incidence->relations();
+    Q3PtrList<Incidence> relations = incidence->relations();
     for( Incidence* i = relations.first(); i; i = relations.next() )
         if( !mOrphanUids.find( i->uid() ) ) {
             mOrphans.insert( uid, i );
@@ -471,7 +473,7 @@ void Calendar::removeRelations( Incidence *incidence )
     // Remove this one from the orphans list
     if( mOrphanUids.remove( uid ) ) {
         QString r2uid = incidence->relatedToUid();
-        QPtrList<Incidence> tempList;
+        Q3PtrList<Incidence> tempList;
         while( Incidence* i = mOrphans[ r2uid ] ) {
             mOrphans.remove( r2uid );
             if ( i != incidence ) tempList.append( i );
@@ -487,7 +489,7 @@ void Calendar::removeRelations( Incidence *incidence )
         // This incidence is located in the orphans list - it should be removed
         if( !( incidence->relatedTo() != 0 && mOrphans.remove( incidence->relatedTo()->uid() ) ) ) {
             // Removing wasn't that easy
-            for( QDictIterator<Incidence> it( mOrphans ); it.current(); ++it ) {
+            for( Q3DictIterator<Incidence> it( mOrphans ); it.current(); ++it ) {
                 if( it.current()->uid() == uid ) {
                     mOrphans.remove( it.currentKey() );
                     break;
diff --git a/libkcal/calendar.h b/libkcal/calendar.h
index fbc40ad..5845f44 100644
--- a/libkcal/calendar.h
+++ b/libkcal/calendar.h
@@ -25,8 +25,8 @@
 #include <qobject.h>
 #include <qstring.h>
 #include <qdatetime.h>
-#include <qptrlist.h>
-#include <qdict.h>
+#include <q3ptrlist.h>
+#include <q3dict.h>
 
 #include "customproperties.h"
 #include "event.h"
@@ -88,7 +88,7 @@ public:
       Sync changes in memory to persistant storage.
     */
     virtual void save() = 0;
-    virtual QPtrList<Event> getExternLastSyncEvents() = 0;
+    virtual Q3PtrList<Event> getExternLastSyncEvents() = 0;
     virtual void removeSyncInfo( QString syncProfile) = 0; 
     virtual bool isSaving() { return false; }
 
@@ -155,12 +155,12 @@ public:
     /**
       Return filtered list of all incidences of this calendar.
     */
-    virtual QPtrList<Incidence> incidences();
+    virtual Q3PtrList<Incidence> incidences();
 
     /**
       Return unfiltered list of all incidences of this calendar.
     */
-    virtual QPtrList<Incidence> rawIncidences();
+    virtual Q3PtrList<Incidence> rawIncidences();
 
     /**
       Adds a Event to this calendar object.
@@ -185,27 +185,27 @@ public:
       date specified. useful for dayView, etc. etc.
       The calendar filter is applied.
     */
-    QPtrList<Event> events( const QDate &date, bool sorted = false);
+    Q3PtrList<Event> events( const QDate &date, bool sorted = false);
     /**
       Get events, which occur on the given date.
       The calendar filter is applied.
     */
-    QPtrList<Event> events( const QDateTime &qdt );
+    Q3PtrList<Event> events( const QDateTime &qdt );
     /**
       Get events in a range of dates. If inclusive is set to true, only events
       are returned, which are completely included in the range.
       The calendar filter is applied.
     */
-    QPtrList<Event> events( const QDate &start, const QDate &end,
+    Q3PtrList<Event> events( const QDate &start, const QDate &end,
                             bool inclusive = false);
     /**
       Return filtered list of all events in calendar.
     */
-    virtual QPtrList<Event> events();
+    virtual Q3PtrList<Event> events();
     /**
       Return unfiltered list of all events in calendar.
     */
-    virtual QPtrList<Event> rawEvents() = 0;
+    virtual Q3PtrList<Event> rawEvents() = 0;
 
     /**
       Add a todo to the todolist.
@@ -222,7 +222,7 @@ public:
     /**
       Return filterd list of todos.
     */
-    virtual QPtrList<Todo> todos();
+    virtual Q3PtrList<Todo> todos();
     /**
       Searches todolist for an event with this unique string identifier,
       returns a pointer or null.
@@ -232,11 +232,11 @@ public:
     /**
       Returns list of todos due on the specified date.
     */
-    virtual QPtrList<Todo> todos( const QDate &date ) = 0;
+    virtual Q3PtrList<Todo> todos( const QDate &date ) = 0;
     /**
       Return unfiltered list of todos.
     */
-    virtual QPtrList<Todo> rawTodos() = 0;
+    virtual Q3PtrList<Todo> rawTodos() = 0;
 
     /**
       Add a Journal entry to calendar.
@@ -248,7 +248,7 @@ public:
       Return Journal for given date.
     */
     virtual Journal *journal( const QDate & ) = 0;
-    virtual  QPtrList<Journal> journals4Date( const QDate & ) = 0;
+    virtual  Q3PtrList<Journal> journals4Date( const QDate & ) = 0;
     /**
       Return Journal with given UID.
     */
@@ -256,7 +256,7 @@ public:
     /**
       Return list of all Journal entries.
     */
-    virtual QPtrList<Journal> journals() = 0;
+    virtual Q3PtrList<Journal> journals() = 0;
 
     /**
       Searches all incidence types for an incidence with this unique
@@ -335,17 +335,17 @@ public:
     /**
       Get unfiltered events, which occur on the given date.
     */
-    virtual QPtrList<Event> rawEventsForDate( const QDateTime &qdt ) = 0;
+    virtual Q3PtrList<Event> rawEventsForDate( const QDateTime &qdt ) = 0;
     /**
       Get unfiltered events, which occur on the given date.
     */
-    virtual QPtrList<Event> rawEventsForDate( const QDate &date,
+    virtual Q3PtrList<Event> rawEventsForDate( const QDate &date,
                                               bool sorted = false ) = 0;  
     /**
       Get events in a range of dates. If inclusive is set to true, only events
       are returned, which are completely included in the range.
     */
-    virtual QPtrList<Event> rawEvents( const QDate &start, const QDate &end,
+    virtual Q3PtrList<Event> rawEvents( const QDate &start, const QDate &end,
                                        bool inclusive = false ) = 0; 
 
     Incidence *mNextAlarmIncidence;
@@ -376,8 +376,8 @@ private:
     QString mLoadedProductId;
 
     // This list is used to put together related todos
-    QDict<Incidence> mOrphans;
-    QDict<Incidence> mOrphanUids;
+    Q3Dict<Incidence> mOrphans;
+    Q3Dict<Incidence> mOrphanUids;
 };
   
 }
diff --git a/libkcal/calendarlocal.cpp b/libkcal/calendarlocal.cpp
index ce3cd09..cb52b7c 100644
--- a/libkcal/calendarlocal.cpp
+++ b/libkcal/calendarlocal.cpp
@@ -22,7 +22,7 @@
 
 #include <qdatetime.h>
 #include <qstring.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 
 #include <kdebug.h>
 #include <kconfig.h>
@@ -192,7 +192,7 @@ bool CalendarLocal::mergeCalendar( Calendar* remote  )
     // 2 look for raw inc in remote
     //   if inc in local, replace it
     //   if not in local, add it to default calendar
-    QPtrList<Incidence> localInc = rawIncidences(); 
+    Q3PtrList<Incidence> localInc = rawIncidences(); 
     Incidence* inL = localInc.first(); 
     while ( inL ) {
         if ( ! inL->isReadOnly () )
@@ -200,7 +200,7 @@ bool CalendarLocal::mergeCalendar( Calendar* remote  )
                 deleteIncidence( inL );
         inL = localInc.next();
     }
-    QPtrList<Incidence> er = remote->rawIncidences(); 
+    Q3PtrList<Incidence> er = remote->rawIncidences(); 
     Incidence* inR = er.first();
     while ( inR ) {
         inL = incidenceForUid( inR->uid(),false );
@@ -259,9 +259,9 @@ void CalendarLocal::addCalendar( Calendar* cal )
 {
     cal->setDontDeleteIncidencesOnClose();
     setSyncEventsEnabled();
-    QPtrList<Incidence> incList;
+    Q3PtrList<Incidence> incList;
     {
-        QPtrList<Event> EventList = cal->rawEvents();
+        Q3PtrList<Event> EventList = cal->rawEvents();
         Event * ev = EventList.first();
         while ( ev ) {
             if ( ev->uid().left( 15 ) == QString("last-syncEvent-") ) {   
@@ -279,7 +279,7 @@ void CalendarLocal::addCalendar( Calendar* cal )
     }
     {
 
-        QPtrList<Todo> TodoList = cal->rawTodos();
+        Q3PtrList<Todo> TodoList = cal->rawTodos();
         Todo * ev = TodoList.first();
         while ( ev ) {
             ev->resetRelatedTo();
@@ -299,7 +299,7 @@ void CalendarLocal::addCalendar( Calendar* cal )
         }
     }
     {
-        QPtrList<Journal> JournalList = cal->journals();
+        Q3PtrList<Journal> JournalList = cal->journals();
         Journal * ev = JournalList.first();
         while ( ev ) {
             Journal * se = journal( ev->uid() );
@@ -481,9 +481,9 @@ void CalendarLocal::deleteTodo( Todo *todo )
        setupRelations( dup );
 }
 
-QPtrList<Todo> CalendarLocal::rawTodos()
+Q3PtrList<Todo> CalendarLocal::rawTodos()
 {
-    QPtrList<Todo> el;
+    Q3PtrList<Todo> el;
     for ( Todo *it = mTodoList.first(); it; it = mTodoList.next() )
         if ( it->calEnabled() ) el.append( it );
     return el;
@@ -499,13 +499,13 @@ Todo *CalendarLocal::todo( QString syncProf, QString id )
 }
 void CalendarLocal::removeSyncInfo( QString syncProfile)
 {
-    QPtrList<Incidence> all = rawIncidences() ;
+    Q3PtrList<Incidence> all = rawIncidences() ;
     Incidence *inc;
     for ( inc = all.first(); inc; inc = all.next() ) {
         inc->removeID( syncProfile );
     }
     if ( syncProfile.isEmpty() ) {
-        QPtrList<Event> el;
+        Q3PtrList<Event> el;
         Event *todo;
         for ( todo = mEventList.first(); todo; todo = mEventList.next() ) {
             if ( todo->uid().left( 15 ) == QString("last-syncEvent-") )
@@ -520,9 +520,9 @@ void CalendarLocal::removeSyncInfo( QString syncProfile)
             deleteIncidence ( lse );
     }
 }
-QPtrList<Event> CalendarLocal::getExternLastSyncEvents()
+Q3PtrList<Event> CalendarLocal::getExternLastSyncEvents()
 {
-    QPtrList<Event> el;
+    Q3PtrList<Event> el;
     Event *todo;
     for ( todo = mEventList.first(); todo; todo = mEventList.next() ) {
         if ( todo->uid().left( 15 ) == QString("last-syncEvent-") )
@@ -685,9 +685,9 @@ void CalendarLocal::deRegisterAlarm()
 // #endif     
 }
 
-QPtrList<Todo> CalendarLocal::todos( const QDate &date )
+Q3PtrList<Todo> CalendarLocal::todos( const QDate &date )
 {
-  QPtrList<Todo> todos;
+  Q3PtrList<Todo> todos;
 
   Todo *todo;
   for ( todo = mTodoList.first(); todo; todo = mTodoList.next() ) {
@@ -786,7 +786,7 @@ Alarm::List CalendarLocal::alarms( const QDateTime &from, const QDateTime &to )
 void CalendarLocal::appendAlarms( Alarm::List &alarms, Incidence *incidence,
                                   const QDateTime &from, const QDateTime &to )
 {
-  QPtrList<Alarm> alarmList = incidence->alarms();
+  Q3PtrList<Alarm> alarmList = incidence->alarms();
   Alarm *alarm;
   for( alarm = alarmList.first(); alarm; alarm = alarmList.next() ) {
 //    kdDebug(5800) << "CalendarLocal::appendAlarms() '" << alarm->text()
@@ -805,7 +805,7 @@ void CalendarLocal::appendRecurringAlarms( Alarm::List &alarms,
                                            const QDateTime &to )
 {
  
-  QPtrList<Alarm> alarmList = incidence->alarms();
+  Q3PtrList<Alarm> alarmList = incidence->alarms();
   Alarm *alarm;
   QDateTime qdt;
   for( alarm = alarmList.first(); alarm; alarm = alarmList.next() ) {
@@ -844,9 +844,9 @@ void CalendarLocal::insertEvent( Event *event )
 }
 
 
-QPtrList<Event> CalendarLocal::rawEventsForDate( const QDate &qd, bool sorted )
+Q3PtrList<Event> CalendarLocal::rawEventsForDate( const QDate &qd, bool sorted )
 {
-  QPtrList<Event> eventList;
+  Q3PtrList<Event> eventList;
 
   Event *event;
   for( event = mEventList.first(); event; event = mEventList.next() ) {
@@ -878,7 +878,7 @@ QPtrList<Event> CalendarLocal::rawEventsForDate( const QDate &qd, bool sorted )
 
   //  kdDebug(5800) << "Sorting events for date\n" << endl;
   // now, we have to sort it based on dtStart.time()
-  QPtrList<Event> eventListSorted;
+  Q3PtrList<Event> eventListSorted;
   Event *sortEvent;
   for ( event = eventList.first(); event; event = eventList.next() ) {
     sortEvent = eventListSorted.first();
@@ -894,12 +894,12 @@ QPtrList<Event> CalendarLocal::rawEventsForDate( const QDate &qd, bool sorted )
 }
 
 
-QPtrList<Event> CalendarLocal::rawEvents( const QDate &start, const QDate &end,
+Q3PtrList<Event> CalendarLocal::rawEvents( const QDate &start, const QDate &end,
                                           bool inclusive )
 {
   Event *event = 0;
 
-  QPtrList<Event> eventList;
+  Q3PtrList<Event> eventList;
 
   // Get non-recurring events
   for( event = mEventList.first(); event; event = mEventList.next() ) {
@@ -923,7 +923,7 @@ QPtrList<Event> CalendarLocal::rawEvents( const QDate &start, const QDate &end,
         }
       } else {
           bool founOne;
-          QDate next = event->getNextOccurence( start, &founOne ).date();
+          QDate next = event->getNextOccurence( (QDateTime)start, &founOne ).date();
           if ( founOne ) {
               if ( next <= end ) {
                   found = true;
@@ -972,14 +972,14 @@ QPtrList<Event> CalendarLocal::rawEvents( const QDate &start, const QDate &end,
   return eventList;
 }
 
-QPtrList<Event> CalendarLocal::rawEventsForDate( const QDateTime &qdt )
+Q3PtrList<Event> CalendarLocal::rawEventsForDate( const QDateTime &qdt )
 {
   return rawEventsForDate( qdt.date() );
 }
 
-QPtrList<Event> CalendarLocal::rawEvents()
+Q3PtrList<Event> CalendarLocal::rawEvents()
 {
-    QPtrList<Event> el;
+    Q3PtrList<Event> el;
     for ( Event *it = mEventList.first(); it; it = mEventList.next() )
         if ( it->calEnabled() ) el.append( it );
     return el;
@@ -1006,9 +1006,9 @@ void CalendarLocal::deleteJournal( Journal *journal )
   }
 }
 
-QPtrList<Journal> CalendarLocal::journals4Date( const QDate & date )
+Q3PtrList<Journal> CalendarLocal::journals4Date( const QDate & date )
 {
-    QPtrList<Journal> el;
+    Q3PtrList<Journal> el;
     for ( Journal *it = mJournalList.first(); it; it = mJournalList.next() )
         if ( it->calEnabled() && it->dtStart().date() == date) el.append( it );
     return el;
@@ -1040,9 +1040,9 @@ Journal *CalendarLocal::journal( const QString &uid )
     return retVal;
 }
 
-QPtrList<Journal> CalendarLocal::journals()
+Q3PtrList<Journal> CalendarLocal::journals()
 {
-    QPtrList<Journal> el;
+    Q3PtrList<Journal> el;
     for ( Journal *it = mJournalList.first(); it; it = mJournalList.next() )
         if ( it->calEnabled() ) el.append( it );
     return el;
@@ -1051,7 +1051,7 @@ void CalendarLocal::setCalendarRemove( int id )
 {
    
     {
-        QPtrList<Event> EventList = mEventList;
+        Q3PtrList<Event> EventList = mEventList;
         Event * ev = EventList.first();
         while ( ev ) {
             if ( ev->calID() == id && ev->uid().left( 15 ) != QString("last-syncEvent-") )
@@ -1061,7 +1061,7 @@ void CalendarLocal::setCalendarRemove( int id )
     }
     {
 
-        QPtrList<Todo> TodoList = mTodoList;
+        Q3PtrList<Todo> TodoList = mTodoList;
         Todo * ev = TodoList.first();
         while ( ev ) {
             if ( ev->calID() == id )
@@ -1070,7 +1070,7 @@ void CalendarLocal::setCalendarRemove( int id )
         }
     }
     {
-        QPtrList<Journal> JournalList = mJournalList;
+        Q3PtrList<Journal> JournalList = mJournalList;
         Journal * ev = JournalList.first();
         while ( ev ) {
             if ( ev->calID() == id )
diff --git a/libkcal/calendarlocal.h b/libkcal/calendarlocal.h
index 1ceabce..1df65c7 100644
--- a/libkcal/calendarlocal.h
+++ b/libkcal/calendarlocal.h
@@ -23,6 +23,8 @@
 #define KCAL_CALENDARLOCAL_H
 
 #include "calendar.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 namespace KCal {
 
@@ -93,8 +95,8 @@ class CalendarLocal : public Calendar
     /**
       Return unfiltered list of all events in calendar.
     */
-    QPtrList<Event> rawEvents();
-    QPtrList<Event> getExternLastSyncEvents();
+    Q3PtrList<Event> rawEvents();
+    Q3PtrList<Event> getExternLastSyncEvents();
     /**
       Add a todo to the todolist.
     */
@@ -112,17 +114,17 @@ class CalendarLocal : public Calendar
     /**
       Return list of all todos.
     */
-    QPtrList<Todo> rawTodos();
+    Q3PtrList<Todo> rawTodos();
     /**
       Returns list of todos due on the specified date.
     */
-    QPtrList<Todo> todos( const QDate &date );
+    Q3PtrList<Todo> todos( const QDate &date );
     /**
       Return list of all todos.
       
       Workaround because compiler does not recognize function of base class.
     */
-    QPtrList<Todo> todos() { return Calendar::todos(); }
+    Q3PtrList<Todo> todos() { return Calendar::todos(); }
 
     /**
       Add a Journal entry to calendar.
@@ -136,7 +138,7 @@ class CalendarLocal : public Calendar
       Return Journal for given date.
     */
     Journal *journal( const QDate & );
-    QPtrList<Journal> journals4Date( const QDate & );
+    Q3PtrList<Journal> journals4Date( const QDate & );
     /**
       Return Journal with given UID.
     */
@@ -144,7 +146,7 @@ class CalendarLocal : public Calendar
     /**
       Return list of all Journals stored in calendar.
     */
-    QPtrList<Journal> journals();
+    Q3PtrList<Journal> journals();
 
     /**
       Return all alarms, which ocur in the given time interval.
@@ -174,16 +176,16 @@ class CalendarLocal : public Calendar
       Builds and then returns a list of all events that match for the
       date specified. useful for dayView, etc. etc.
     */
-    QPtrList<Event> rawEventsForDate( const QDate &date, bool sorted = false );
+    Q3PtrList<Event> rawEventsForDate( const QDate &date, bool sorted = false );
     /**
       Get unfiltered events for date \a qdt.
     */
-    QPtrList<Event> rawEventsForDate( const QDateTime &qdt );
+    Q3PtrList<Event> rawEventsForDate( const QDateTime &qdt );
     /**
       Get unfiltered events in a range of dates. If inclusive is set to true,
       only events are returned, which are completely included in the range.
     */
-    QPtrList<Event> rawEvents( const QDate &start, const QDate &end,
+    Q3PtrList<Event> rawEvents( const QDate &start, const QDate &end,
                                bool inclusive = false );
     Todo *todo( QString, QString );
     Event *event( QString, QString );
@@ -224,9 +226,9 @@ public slots:
   private:
     void init();
 
-    QPtrList<Event> mEventList;
-    QPtrList<Todo> mTodoList;
-    QPtrList<Journal> mJournalList;
+    Q3PtrList<Event> mEventList;
+    Q3PtrList<Todo> mTodoList;
+    Q3PtrList<Journal> mJournalList;
 };
 
 }
diff --git a/libkcal/calfilter.cpp b/libkcal/calfilter.cpp
index 72f70c2..fa1dbd5 100644
--- a/libkcal/calfilter.cpp
+++ b/libkcal/calfilter.cpp
@@ -21,6 +21,8 @@
 #include <kdebug.h>
 
 #include "calfilter.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 using namespace KCal;
 
@@ -41,7 +43,7 @@ CalFilter::~CalFilter()
 {
 }
 
-void CalFilter::apply(QPtrList<Event> *eventlist)
+void CalFilter::apply(Q3PtrList<Event> *eventlist)
 {
   if (!mEnabled) return;
 
@@ -61,7 +63,7 @@ void CalFilter::apply(QPtrList<Event> *eventlist)
 }
 
 // TODO: avoid duplicating apply() code
-void CalFilter::apply(QPtrList<Todo> *eventlist)
+void CalFilter::apply(Q3PtrList<Todo> *eventlist)
 {
   if (!mEnabled) return;
   Todo *event = eventlist->first();
diff --git a/libkcal/calfilter.h b/libkcal/calfilter.h
index e349770..821149f 100644
--- a/libkcal/calfilter.h
+++ b/libkcal/calfilter.h
@@ -22,7 +22,7 @@
 #define _CALFILTER_H
 
 #include <qstring.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 
 #include "event.h"
 #include "todo.h"
@@ -55,15 +55,15 @@ class CalFilter {
       Apply filter to eventlist, all events not matching filter criterias are
       removed from the list.
     */
-    void apply(QPtrList<Event> *eventlist);
+    void apply(Q3PtrList<Event> *eventlist);
     
     /**
       Apply filter to todolist, all todos not matching filter criterias are
       removed from the list.
     */
-    void apply(QPtrList<Todo> *todolist);
-    bool CalFilter::filterCalendarItem(Incidence *in);
-    bool CalFilter::filterJournal(Journal *in);
+    void apply(Q3PtrList<Todo> *todolist);
+    bool filterCalendarItem(Incidence *in);
+    bool filterJournal(Journal *in);
     /**
       Apply filter criteria on the specified event. Return true, if event passes
       criteria, otherwise return false.
diff --git a/libkcal/customproperties.cpp b/libkcal/customproperties.cpp
index adc1710..16f4a28 100644
--- a/libkcal/customproperties.cpp
+++ b/libkcal/customproperties.cpp
@@ -19,6 +19,8 @@
 */
 
 #include "customproperties.h"
+//Added by qt3to4:
+#include <Q3CString>
 
 using namespace KCal;
 
@@ -35,52 +37,52 @@ CustomProperties::~CustomProperties()
 {
 }
 
-void CustomProperties::setCustomProperty(const QCString &app, const QCString &key,
+void CustomProperties::setCustomProperty(const Q3CString &app, const Q3CString &key,
                                          const QString &value)
 {
   if (value.isNull() || key.isEmpty() || app.isEmpty())
     return;
-  QCString property = "X-KDE-" + app + "-" + key;
+  Q3CString property = "X-KDE-" + app + "-" + key;
   if (!checkName(property))
     return;
   mProperties[property] = value;
 }
 
-void CustomProperties::removeCustomProperty(const QCString &app, const QCString &key)
+void CustomProperties::removeCustomProperty(const Q3CString &app, const Q3CString &key)
 {
-  removeNonKDECustomProperty(QCString("X-KDE-" + app + "-" + key));
+  removeNonKDECustomProperty(Q3CString("X-KDE-" + app + "-" + key));
 }
 
-QString CustomProperties::customProperty(const QCString &app, const QCString &key) const
+QString CustomProperties::customProperty(const Q3CString &app, const Q3CString &key) const
 {
-  return nonKDECustomProperty(QCString("X-KDE-" + app + "-" + key));
+  return nonKDECustomProperty(Q3CString("X-KDE-" + app + "-" + key));
 }
 
-void CustomProperties::setNonKDECustomProperty(const QCString &name, const QString &value)
+void CustomProperties::setNonKDECustomProperty(const Q3CString &name, const QString &value)
 {
   if (value.isNull() || !checkName(name))
     return;
   mProperties[name] = value;
 }
 
-void CustomProperties::removeNonKDECustomProperty(const QCString &name)
+void CustomProperties::removeNonKDECustomProperty(const Q3CString &name)
 {
-  QMap<QCString, QString>::Iterator it = mProperties.find(name);
+  QMap<Q3CString, QString>::Iterator it = mProperties.find(name);
   if (it != mProperties.end())
     mProperties.remove(it);
 }
 
-QString CustomProperties::nonKDECustomProperty(const QCString &name) const
+QString CustomProperties::nonKDECustomProperty(const Q3CString &name) const
 {
-  QMap<QCString, QString>::ConstIterator it = mProperties.find(name);
+  QMap<Q3CString, QString>::ConstIterator it = mProperties.find(name);
   if (it == mProperties.end())
     return QString::null;
   return it.data();
 }
 
-void CustomProperties::setCustomProperties(const QMap<QCString, QString> &properties)
+void CustomProperties::setCustomProperties(const QMap<Q3CString, QString> &properties)
 {
-  for (QMap<QCString, QString>::ConstIterator it = properties.begin();  it != properties.end();  ++it) {
+  for (QMap<Q3CString, QString>::ConstIterator it = properties.begin();  it != properties.end();  ++it) {
     // Validate the property name and convert any null string to empty string
     if (checkName(it.key())) {
       mProperties[it.key()] = it.data().isNull() ? QString("") : it.data();
@@ -88,12 +90,12 @@ void CustomProperties::setCustomProperties(const QMap<QCString, QString> &proper
   }
 }
 
-QMap<QCString, QString> CustomProperties::customProperties() const
+QMap<Q3CString, QString> CustomProperties::customProperties() const
 {
   return mProperties;
 }
 
-bool CustomProperties::checkName(const QCString &name)
+bool CustomProperties::checkName(const Q3CString &name)
 {
   // Check that the property name starts with 'X-' and contains
   // only the permitted characters
diff --git a/libkcal/customproperties.h b/libkcal/customproperties.h
index 0cbfdcd..75eb3ad 100644
--- a/libkcal/customproperties.h
+++ b/libkcal/customproperties.h
@@ -23,6 +23,8 @@
 
 #include <qstring.h>
 #include <qmap.h>
+//Added by qt3to4:
+#include <Q3CString>
 
 namespace KCal {
 
@@ -49,47 +51,47 @@ class CustomProperties
       @param value The property's value. A call with a value of QString::null
       will be ignored.
      */
-    void setCustomProperty(const QCString &app, const QCString &key,
+    void setCustomProperty(const Q3CString &app, const Q3CString &key,
                            const QString &value);
     /** Delete a custom calendar property.
       @param app Application name as it appears in the custom property name.
       @param key Property identifier specific to the application.
      */
-    void removeCustomProperty(const QCString &app, const QCString &key);
+    void removeCustomProperty(const Q3CString &app, const Q3CString &key);
     /** Return the value of a custom calendar property.
       @param app Application name as it appears in the custom property name.
       @param key Property identifier specific to the application.
       @return Property value, or QString::null if (and only if) the property does not exist.
      */
-    QString customProperty(const QCString &app, const QCString &key) const;
+    QString customProperty(const Q3CString &app, const Q3CString &key) const;
 
     /** Create or modify a non-KDE or non-standard custom calendar property.
       @param name Full property name
       @param value The property's value. A call with a value of QString::null
       will be ignored.
      */
-    void setNonKDECustomProperty(const QCString &name, const QString &value);
+    void setNonKDECustomProperty(const Q3CString &name, const QString &value);
     /** Delete a non-KDE or non-standard custom calendar property.
       @param name Full property name
      */
-    void removeNonKDECustomProperty(const QCString &name);
+    void removeNonKDECustomProperty(const Q3CString &name);
     /** Return the value of a non-KDE or non-standard custom calendar property.
       @param name Full property name
       @return Property value, or QString::null if (and only if) the property does not exist.
      */
-    QString nonKDECustomProperty(const QCString& name) const;
+    QString nonKDECustomProperty(const Q3CString& name) const;
 
     /** Initialise the alarm's custom calendar properties to the specified
         key/value pairs.
      */
-    void setCustomProperties(const QMap<QCString, QString> &properties);
+    void setCustomProperties(const QMap<Q3CString, QString> &properties);
     /** Return all custom calendar property key/value pairs. */
-    QMap<QCString, QString> customProperties() const;
+    QMap<Q3CString, QString> customProperties() const;
 
   private:
-    static bool checkName(const QCString& name);
+    static bool checkName(const Q3CString& name);
 
-    QMap<QCString, QString> mProperties;   // custom calendar properties
+    QMap<Q3CString, QString> mProperties;   // custom calendar properties
 };
 
 }
diff --git a/libkcal/dndfactory.cpp b/libkcal/dndfactory.cpp
index cdcfae4..ca7e212 100644
--- a/libkcal/dndfactory.cpp
+++ b/libkcal/dndfactory.cpp
@@ -22,6 +22,9 @@
 
 #include <qapplication.h>
 #include <qclipboard.h>
+//Added by qt3to4:
+#include <QDropEvent>
+#include <Q3PtrList>
 
 #include <kiconloader.h>
 #include <kdebug.h>
@@ -68,7 +71,7 @@ Event *DndFactory::createDrop(QDropEvent *de)
   if ( ICalDrag::decode( de, &cal ) || VCalDrag::decode( de, &cal ) ) {
     de->accept();
 
-    QPtrList<Event> events = cal.events();
+    Q3PtrList<Event> events = cal.events();
     if ( !events.isEmpty() ) {
       Event *event = new Event( *events.first() );
       return event;
@@ -87,7 +90,7 @@ Todo *DndFactory::createDropTodo(QDropEvent *de)
   if ( ICalDrag::decode( de, &cal ) || VCalDrag::decode( de, &cal ) ) {
     de->accept();
 
-    QPtrList<Todo> todos = cal.todos();
+    Q3PtrList<Todo> todos = cal.todos();
     if ( !todos.isEmpty() ) {
       Todo *todo = new Todo( *todos.first() );
       return todo;
@@ -133,7 +136,7 @@ Incidence *DndFactory::pasteIncidence(const QDate &newDate, const QTime *newTime
     return 0;
   }
 
-  QPtrList<Incidence> incList = cal.incidences();
+  Q3PtrList<Incidence> incList = cal.incidences();
   Incidence *inc = incList.first();
 
   if ( !incList.isEmpty() && inc ) {
diff --git a/libkcal/dndfactory.h b/libkcal/dndfactory.h
index 2df5259..a873c37 100644
--- a/libkcal/dndfactory.h
+++ b/libkcal/dndfactory.h
@@ -1,3 +1,5 @@
+//Added by qt3to4:
+#include <QDropEvent>
 /*
     This file is part of libkcal.
 
diff --git a/libkcal/dndfactory_dummy.h b/libkcal/dndfactory_dummy.h
index 44cc114..3ab6adf 100644
--- a/libkcal/dndfactory_dummy.h
+++ b/libkcal/dndfactory_dummy.h
@@ -25,6 +25,8 @@
 #define KCAL_DNDFACTORY_H
 
 #include "vcalformat.h"
+//Added by qt3to4:
+#include <QDropEvent>
 
 class QDropEvent;
 
diff --git a/libkcal/dummyscheduler.cpp b/libkcal/dummyscheduler.cpp
index ae40e6d..73eb3d0 100644
--- a/libkcal/dummyscheduler.cpp
+++ b/libkcal/dummyscheduler.cpp
@@ -23,7 +23,9 @@
 //
 
 #include <qfile.h>
-#include <qtextstream.h>
+#include <q3textstream.h>
+//Added by qt3to4:
+#include <Q3PtrList>
 
 #include <kdebug.h>
 
@@ -68,8 +70,8 @@ bool DummyScheduler::performTransaction(IncidenceBase *incidence,Method method)
 bool DummyScheduler::saveMessage(const QString &message)
 {
   QFile f("dummyscheduler.store");
-  if (f.open(IO_WriteOnly | IO_Append)) {
-    QTextStream t(&f);
+  if (f.open(QIODevice::WriteOnly | QIODevice::Append)) {
+    Q3TextStream t(&f);
     t << message << endl;
     f.close();
     return true;
@@ -78,16 +80,16 @@ bool DummyScheduler::saveMessage(const QString &message)
   }
 }
 
-QPtrList<ScheduleMessage> DummyScheduler::retrieveTransactions()
+Q3PtrList<ScheduleMessage> DummyScheduler::retrieveTransactions()
 {
-  QPtrList<ScheduleMessage> messageList;
+  Q3PtrList<ScheduleMessage> messageList;
 
   QFile f("dummyscheduler.store");
-  if (!f.open(IO_ReadOnly)) {
+  if (!f.open(QIODevice::ReadOnly)) {
     kdDebug(5800) << "DummyScheduler::retrieveTransactions(): Can't open file"
               << endl;
   } else {
-    QTextStream t(&f);
+    Q3TextStream t(&f);
     QString messageString;
     QString messageLine = t.readLine();
     while (!messageLine.isNull()) {
diff --git a/libkcal/dummyscheduler.h b/libkcal/dummyscheduler.h
index df42153..f86d583 100644
--- a/libkcal/dummyscheduler.h
+++ b/libkcal/dummyscheduler.h
@@ -24,6 +24,8 @@
 //
 
 #include "scheduler.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 namespace KCal {
 
@@ -39,7 +41,7 @@ class DummyScheduler : public Scheduler {
     bool publish (IncidenceBase *incidence,const QString &recipients);
     bool performTransaction(IncidenceBase *incidence,Method method);
     bool performTransaction(IncidenceBase *incidence,Method method,const QString &recipients);
-    QPtrList<ScheduleMessage> retrieveTransactions();
+    Q3PtrList<ScheduleMessage> retrieveTransactions();
 
   protected:
     bool saveMessage(const QString &);
diff --git a/libkcal/event.cpp b/libkcal/event.cpp
index fdf5657..060df81 100644
--- a/libkcal/event.cpp
+++ b/libkcal/event.cpp
@@ -384,7 +384,7 @@ QDateTime Event::getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_
 //          *ok = false;
 //          return incidenceStart;
 //      }
-     for (QPtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
+     for (Q3PtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
          if (alarm->enabled()) {
              if ( alarm->hasTime () ) {
                  if ( alarm->time() < alarmStart ) {
diff --git a/libkcal/event.h b/libkcal/event.h
index 6a58618..da44f81 100644
--- a/libkcal/event.h
+++ b/libkcal/event.h
@@ -25,6 +25,8 @@
 //
 
 #include "incidence.h"
+//Added by qt3to4:
+#include <Q3CString>
 namespace KCal {
 
 /**
@@ -40,7 +42,7 @@ class Event : public Incidence
     ~Event();
     bool matchTime(QDateTime*startDT, QDateTime* endDT);
 
-    QCString type() const { return "Event"; }
+    Q3CString type() const { return "Event"; }
     IncTypeID typeID() const { return eventID; }
 
     Incidence *clone();
diff --git a/libkcal/filestorage.cpp b/libkcal/filestorage.cpp
index a139124..3d1309f 100644
--- a/libkcal/filestorage.cpp
+++ b/libkcal/filestorage.cpp
@@ -22,7 +22,7 @@
 
 #include <qdatetime.h>
 #include <qstring.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 
 #include <kdebug.h>
 
diff --git a/libkcal/freebusy.cpp b/libkcal/freebusy.cpp
index ba15d6d..e4e9ec9 100644
--- a/libkcal/freebusy.cpp
+++ b/libkcal/freebusy.cpp
@@ -21,6 +21,9 @@
 #include <kdebug.h>
 
 #include "freebusy.h"
+//Added by qt3to4:
+#include <Q3ValueList>
+#include <Q3PtrList>
 
 using namespace KCal;
 
@@ -43,7 +46,7 @@ FreeBusy::FreeBusy( Calendar *calendar, const QDateTime &start, const QDateTime
   setDtEnd(end);
 
   //Gets all the events in the calendar
-  QPtrList<Event> eventList = mCalendar->events();
+  Q3PtrList<Event> eventList = mCalendar->events();
   Event *event;
 
   int extraDays, i, x, duration;
@@ -113,7 +116,7 @@ QDateTime FreeBusy::dtEnd() const
   return mDtEnd;
 }
 
-QValueList<Period> FreeBusy::busyPeriods() const
+Q3ValueList<Period> FreeBusy::busyPeriods() const
 {
   return mBusyPeriods;
 }
@@ -146,14 +149,14 @@ bool FreeBusy::addLocalPeriod(const QDateTime &eventStart, const QDateTime &even
   return true;
 }
 
-FreeBusy::FreeBusy(QValueList<Period> busyPeriods)
+FreeBusy::FreeBusy(Q3ValueList<Period> busyPeriods)
 {
   mBusyPeriods = busyPeriods;
 }
 
 void FreeBusy::sortList()
 {
-  typedef QValueList<Period> PeriodList;
+  typedef Q3ValueList<Period> PeriodList;
 
   PeriodList::Iterator tmpPeriod, earlyPeriod;
   PeriodList sortedList;
diff --git a/libkcal/freebusy.h b/libkcal/freebusy.h
index d741c72..bd14cb7 100644
--- a/libkcal/freebusy.h
+++ b/libkcal/freebusy.h
@@ -24,8 +24,10 @@
 //
 
 #include <qdatetime.h>
-#include <qvaluelist.h>
-#include <qptrlist.h>
+#include <q3valuelist.h>
+#include <q3ptrlist.h>
+//Added by qt3to4:
+#include <Q3CString>
 
 #include "period.h"
 #include "calendar.h"
@@ -43,17 +45,17 @@ class FreeBusy : public IncidenceBase
     FreeBusy();
     FreeBusy(const QDateTime &start, const QDateTime &end);
     FreeBusy(Calendar *calendar, const QDateTime &start, const QDateTime &end);
-    FreeBusy(QValueList<Period> busyPeriods);
+    FreeBusy(Q3ValueList<Period> busyPeriods);
 
     ~FreeBusy();
     
-    QCString type() const { return "FreeBusy"; }
+    Q3CString type() const { return "FreeBusy"; }
     IncTypeID typeID() const { return freebusyID; }
 
     virtual QDateTime dtEnd() const;
     bool setDtEnd( const QDateTime &end );
 
-    QValueList<Period> busyPeriods() const;
+    Q3ValueList<Period> busyPeriods() const;
 
     void addPeriod(const QDateTime &start, const QDateTime &end);
     void sortList();
@@ -64,7 +66,7 @@ class FreeBusy : public IncidenceBase
     bool addLocalPeriod(const QDateTime &start, const QDateTime &end);
 
     QDateTime mDtEnd;
-    QValueList<Period> mBusyPeriods;
+    Q3ValueList<Period> mBusyPeriods;
     Calendar *mCalendar;
 };
 
diff --git a/libkcal/icaldrag.cpp b/libkcal/icaldrag.cpp
index 446a115..7f5a796 100644
--- a/libkcal/icaldrag.cpp
+++ b/libkcal/icaldrag.cpp
@@ -28,7 +28,7 @@
 using namespace KCal;
 
 ICalDrag::ICalDrag( Calendar *cal, QWidget *parent, const char *name )
-  : QStoredDrag( "text/calendar", parent, name )
+  : Q3StoredDrag( "text/calendar", parent, name )
 {
   ICalFormat icf;
   QString scal = icf.toString( cal );
diff --git a/libkcal/icaldrag.h b/libkcal/icaldrag.h
index fdf32b7..c1f73f4 100644
--- a/libkcal/icaldrag.h
+++ b/libkcal/icaldrag.h
@@ -22,13 +22,13 @@
 #ifndef ICALDRAG_H
 #define ICALDRAG_H
 
-#include <qdragobject.h>
+#include <q3dragobject.h>
 #include "calendar.h"
 
 namespace KCal {
 
 /** iCalendar drag&drop class. */
-class ICalDrag : public QStoredDrag
+class ICalDrag : public Q3StoredDrag
 {
   public:
     /** Create a drag&drop object for iCalendar component \a ical. */
diff --git a/libkcal/icalformat.cpp b/libkcal/icalformat.cpp
index 6f3a799..3829bc1 100644
--- a/libkcal/icalformat.cpp
+++ b/libkcal/icalformat.cpp
@@ -20,11 +20,11 @@
 
 #include <qdatetime.h>
 #include <qstring.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 #include <qregexp.h>
 #include <qclipboard.h>
 #include <qfile.h>
-#include <qtextstream.h>
+#include <q3textstream.h>
 #include <qtextcodec.h>
 #include <stdlib.h>
 
@@ -70,14 +70,14 @@ bool ICalFormat::load( Calendar *calendar, const QString &fileName)
   clearException();
 
   QFile file( fileName );  
-  if (!file.open( IO_ReadOnly ) ) {
+  if (!file.open( QIODevice::ReadOnly ) ) {
     setException(new ErrorFormat(ErrorFormat::LoadError));
     return false;
   } 
-  QTextStream ts( &file );
+  Q3TextStream ts( &file );
   QString text; 
 
-  ts.setEncoding( QTextStream::Latin1 );
+  ts.setEncoding( Q3TextStream::Latin1 );
   text = ts.read(); 
   file.close();
 
@@ -98,14 +98,14 @@ bool ICalFormat::save( Calendar *calendar, const QString &fileName )
   // TODO: write backup file
   //is.restart();
   QFile file( fileName );
-  if (!file.open( IO_WriteOnly ) ) {
+  if (!file.open( QIODevice::WriteOnly ) ) {
     setException(new ErrorFormat(ErrorFormat::SaveError,
                  i18n("Could not open file '%1'").arg(fileName)));
     return false;
   }
-  QTextStream ts( &file );
+  Q3TextStream ts( &file );
 
-  ts.setEncoding( QTextStream::Latin1 );
+  ts.setEncoding( Q3TextStream::Latin1 );
   ts << text;
   file.close();
   //qDebug("saving file takes ms: %d ", is.elapsed() );
@@ -156,15 +156,15 @@ Incidence *ICalFormat::fromString( const QString &text )
   fromString(&cal, text);
   
   Incidence *ical = 0;
-  QPtrList<Event> elist = cal.events();
+  Q3PtrList<Event> elist = cal.events();
   if ( elist.count() > 0 ) {
     ical = elist.first();
   } else {
-    QPtrList<Todo> tlist = cal.todos();
+    Q3PtrList<Todo> tlist = cal.todos();
     if ( tlist.count() > 0 ) {
       ical = tlist.first();
     } else {
-      QPtrList<Journal> jlist = cal.journals();
+      Q3PtrList<Journal> jlist = cal.journals();
       if ( jlist.count() > 0 ) {
         ical = jlist.first();
       }
@@ -172,7 +172,7 @@ Incidence *ICalFormat::fromString( const QString &text )
   }
   return ical;
 }
-#include <qapp.h>
+#include <qapplication.h>
 
 QString ICalFormat::toString( Calendar *cal )
 {
@@ -184,8 +184,8 @@ QString ICalFormat::toString( Calendar *cal )
   icalcomponent *component;
  
   // todos 
-  QPtrList<Todo> todoList = cal->rawTodos();
-  QPtrListIterator<Todo> qlt(todoList);
+  Q3PtrList<Todo> todoList = cal->rawTodos();
+  Q3PtrListIterator<Todo> qlt(todoList);
   for (; qlt.current(); ++qlt) {
     component = mImpl->writeTodo(qlt.current());
     icalcomponent_add_component(calendar,component);
@@ -196,7 +196,7 @@ QString ICalFormat::toString( Calendar *cal )
     }
   }
   // events
-  QPtrList<Event> events = cal->rawEvents();
+  Q3PtrList<Event> events = cal->rawEvents();
   Event *ev;
   for(ev=events.first();ev;ev=events.next()) {
     component = mImpl->writeEvent(ev);
@@ -207,7 +207,7 @@ QString ICalFormat::toString( Calendar *cal )
   }
  
   // journals
-  QPtrList<Journal> journals = cal->journals();
+  Q3PtrList<Journal> journals = cal->journals();
   Journal *j;
   for(j=journals.first();j;j=journals.next()) {
     component = mImpl->writeJournal(j);
diff --git a/libkcal/icalformat.h b/libkcal/icalformat.h
index a770dbb..a454b35 100644
--- a/libkcal/icalformat.h
+++ b/libkcal/icalformat.h
@@ -21,6 +21,8 @@
 #define ICALFORMAT_H
 
 #include <qstring.h>
+//Added by qt3to4:
+#include <Q3CString>
 
 #include "scheduler.h"
 
@@ -106,7 +108,7 @@ class ICalFormat : public CalFormat {
     bool mProcessEvents;
     ICalFormatImpl *mImpl;
     QString mTimeZoneId;
-    QCString mTzString;
+    Q3CString mTzString;
     int tzOffsetMin;
     bool mUtc;
 };
diff --git a/libkcal/icalformatimpl.cpp b/libkcal/icalformatimpl.cpp
index 65eabc8..ea144ee 100644
--- a/libkcal/icalformatimpl.cpp
+++ b/libkcal/icalformatimpl.cpp
@@ -20,8 +20,11 @@
 
 #include <qdatetime.h>
 #include <qstring.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 #include <qfile.h>
+//Added by qt3to4:
+#include <Q3ValueList>
+#include <Q3CString>
 
 #include <kdebug.h>
 #include <klocale.h>
@@ -221,8 +224,8 @@ icalcomponent *ICalFormatImpl::writeFreeBusy(FreeBusy *freebusy,
   }
 
   //Loops through all the periods in the freebusy object
-  QValueList<Period> list = freebusy->busyPeriods();
-  QValueList<Period>::Iterator it;
+  Q3ValueList<Period> list = freebusy->busyPeriods();
+  Q3ValueList<Period>::Iterator it;
   icalperiodtype period;
   for (it = list.begin(); it!= list.end(); ++it) {
     period.start = writeICalDateTime((*it).start());
@@ -384,12 +387,12 @@ void ICalFormatImpl::writeIncidence(icalcomponent *parent,Incidence *incidence)
   }
   
   // attachments
-  QPtrList<Attachment> attachments = incidence->attachments();
+  Q3PtrList<Attachment> attachments = incidence->attachments();
   for (Attachment *at = attachments.first(); at; at = attachments.next())
     icalcomponent_add_property(parent,writeAttachment(at));
 
   // alarms
-  QPtrList<Alarm> alarms = incidence->alarms();
+  Q3PtrList<Alarm> alarms = incidence->alarms();
   Alarm* alarm;
   for (alarm = alarms.first(); alarm; alarm = alarms.next()) {
     if (alarm->enabled()) {
@@ -423,8 +426,8 @@ void ICalFormatImpl::writeIncidenceBase(icalcomponent *parent,IncidenceBase *inc
 
   // attendees
   if (incidenceBase->attendeeCount() != 0) {
-    QPtrList<Attendee> al = incidenceBase->attendees();
-    QPtrListIterator<Attendee> ai(al);
+    Q3PtrList<Attendee> al = incidenceBase->attendees();
+    Q3PtrListIterator<Attendee> ai(al);
     for (; ai.current(); ++ai) {
       icalcomponent_add_property(parent,writeAttendee(ai.current()));
     }
@@ -436,8 +439,8 @@ void ICalFormatImpl::writeIncidenceBase(icalcomponent *parent,IncidenceBase *inc
 
 void ICalFormatImpl::writeCustomProperties(icalcomponent *parent,CustomProperties *properties)
 {
-  QMap<QCString, QString> custom = properties->customProperties();
-  for (QMap<QCString, QString>::Iterator c = custom.begin();  c != custom.end();  ++c) {
+  QMap<Q3CString, QString> custom = properties->customProperties();
+  for (QMap<Q3CString, QString>::Iterator c = custom.begin();  c != custom.end();  ++c) {
     icalproperty *p = icalproperty_new_x(c.data().utf8());
     icalproperty_set_x_name(p,c.key());
     icalcomponent_add_property(parent,p);
@@ -546,8 +549,8 @@ icalproperty *ICalFormatImpl::writeRecurrenceRule(Recurrence *recur)
   int index = 0;
   int index2 = 0;
 
-  QPtrList<Recurrence::rMonthPos> tmpPositions;
-  QPtrList<int> tmpDays;
+  Q3PtrList<Recurrence::rMonthPos> tmpPositions;
+  Q3PtrList<int> tmpDays;
   int *tmpDay;
   Recurrence::rMonthPos *tmpPos;
   bool datetime = false;
@@ -704,8 +707,8 @@ icalcomponent *ICalFormatImpl::writeAlarm(Alarm *alarm)
       break;
     case Alarm::Email: {
       action = ICAL_ACTION_EMAIL;
-      QValueList<Person> addresses = alarm->mailAddresses();
-      for (QValueList<Person>::Iterator ad = addresses.begin();  ad != addresses.end();  ++ad) {
+      Q3ValueList<Person> addresses = alarm->mailAddresses();
+      for (Q3ValueList<Person>::Iterator ad = addresses.begin();  ad != addresses.end();  ++ad) {
         icalproperty *p = icalproperty_new_attendee("MAILTO:" + (*ad).email().utf8());
         if (!(*ad).name().isEmpty()) {
           icalproperty_add_parameter(p,icalparameter_new_cn((*ad).name().utf8()));
@@ -763,8 +766,8 @@ icalcomponent *ICalFormatImpl::writeAlarm(Alarm *alarm)
   }
 
   // Custom properties
-  QMap<QCString, QString> custom = alarm->customProperties();
-  for (QMap<QCString, QString>::Iterator c = custom.begin();  c != custom.end();  ++c) {
+  QMap<Q3CString, QString> custom = alarm->customProperties();
+  for (QMap<Q3CString, QString>::Iterator c = custom.begin();  c != custom.end();  ++c) {
     icalproperty *p = icalproperty_new_x(c.data().utf8());
     icalproperty_set_x_name(p,c.key());
     icalcomponent_add_property(a,p);
@@ -1339,7 +1342,7 @@ void ICalFormatImpl::readIncidenceBase(icalcomponent *parent,IncidenceBase *inci
 
 void ICalFormatImpl::readCustomProperties(icalcomponent *parent,CustomProperties *properties)
 {
-  QMap<QCString, QString> customProperties;
+  QMap<Q3CString, QString> customProperties;
 
   icalproperty *p = icalcomponent_get_first_property(parent,ICAL_X_PROPERTY);
 
diff --git a/libkcal/icalformatimpl.h b/libkcal/icalformatimpl.h
index 203c302..3a35b4c 100644
--- a/libkcal/icalformatimpl.h
+++ b/libkcal/icalformatimpl.h
@@ -21,6 +21,8 @@
 #define ICALFORMATIMPL_H
 
 #include <qstring.h>
+//Added by qt3to4:
+#include <Q3PtrList>
 
 #include "scheduler.h"
 #include "freebusy.h"
@@ -93,8 +95,8 @@ class ICalFormatImpl {
     QString mLoadedProductId;         // PRODID string loaded from calendar file
     int mCalendarVersion;             // determines backward compatibility mode on read
 
-    QPtrList<Event> mEventsRelate;           // events with relations
-    QPtrList<Todo> mTodosRelate;             // todos with relations
+    Q3PtrList<Event> mEventsRelate;           // events with relations
+    Q3PtrList<Todo> mTodosRelate;             // todos with relations
 
     static const int mSecondsPerWeek;
     static const int mSecondsPerDay;
diff --git a/libkcal/imipscheduler.cpp b/libkcal/imipscheduler.cpp
index e186f8e..e6d56a6 100644
--- a/libkcal/imipscheduler.cpp
+++ b/libkcal/imipscheduler.cpp
@@ -26,6 +26,8 @@
 #include "icalformat.h"
 
 #include "imipscheduler.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 using namespace KCal;
 
@@ -50,9 +52,9 @@ bool IMIPScheduler::performTransaction(IncidenceBase *incidence,Method method)
   return false;
 }
 
-QPtrList<ScheduleMessage> IMIPScheduler::retrieveTransactions()
+Q3PtrList<ScheduleMessage> IMIPScheduler::retrieveTransactions()
 {
-  QPtrList<ScheduleMessage> messageList;
+  Q3PtrList<ScheduleMessage> messageList;
 
   return messageList;
 }
diff --git a/libkcal/imipscheduler.h b/libkcal/imipscheduler.h
index f142060..5a2d38e 100644
--- a/libkcal/imipscheduler.h
+++ b/libkcal/imipscheduler.h
@@ -23,7 +23,7 @@
 // iMIP implementation of iTIP methods
 //
 
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 
 #include "scheduler.h"
 
@@ -40,7 +40,7 @@ class IMIPScheduler : public Scheduler {
     
     bool publish (IncidenceBase *incidence,const QString &recipients);
     bool performTransaction(IncidenceBase *incidence,Method method);
-    QPtrList<ScheduleMessage> retrieveTransactions();
+    Q3PtrList<ScheduleMessage> retrieveTransactions();
 };
 
 }
diff --git a/libkcal/incidence.cpp b/libkcal/incidence.cpp
index 7dd9bd2..8fcdc69 100644
--- a/libkcal/incidence.cpp
+++ b/libkcal/incidence.cpp
@@ -26,6 +26,8 @@
 
 #include "incidence.h"
 #include "todo.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 using namespace KCal;
 
@@ -59,7 +61,7 @@ Incidence::Incidence( const Incidence &i ) : IncidenceBase( i )
   mRelatedToUid = i.mRelatedToUid; 
 //  QPtrList<Incidence> mRelations;    QPtrList<Incidence> mRelations;
   mExDates = i.mExDates;
-  QPtrListIterator<Attachment> itat( i.mAttachments );
+  Q3PtrListIterator<Attachment> itat( i.mAttachments );
   Attachment *at;
   while( (at = itat.current()) ) {
       Attachment *a = new Attachment( *at );
@@ -73,7 +75,7 @@ Incidence::Incidence( const Incidence &i ) : IncidenceBase( i )
   mLocation = i.mLocation;
   mCancelled = i.mCancelled;
   mHasStartDate = i.mHasStartDate;
-  QPtrListIterator<Alarm> it( i.mAlarms );
+  Q3PtrListIterator<Alarm> it( i.mAlarms );
   const Alarm *a;
   while( (a = it.current()) ) {
     Alarm *b = new Alarm( *a );
@@ -98,7 +100,7 @@ Incidence::~Incidence()
 {
    
   Incidence *ev;
-   QPtrList<Incidence> Relations = relations();
+   Q3PtrList<Incidence> Relations = relations();
   for (ev=Relations.first();ev;ev=Relations.next()) {
     if (ev->relatedTo() == this) ev->setRelatedTo(0);
   } 
@@ -216,8 +218,8 @@ bool KCal::operator==( const Incidence& i1, const Incidence& i2 )
         }
     }
 #if 0
-    QPtrListIterator<Alarm> a1( i1.alarms() );
-    QPtrListIterator<Alarm> a2( i2.alarms() );
+    Q3PtrListIterator<Alarm> a1( i1.alarms() );
+    Q3PtrListIterator<Alarm> a2( i2.alarms() );
     for( ; a1.current() && a2.current(); ++a1, ++a2 ) {
         if( *a1.current() == *a2.current() ) {
             continue;
@@ -322,7 +324,7 @@ void Incidence::cloneRelations( Incidence * newInc )
     // newInc is already a clone of this incidence
     Incidence * inc;
     Incidence * cloneInc;
-    QPtrList<Incidence> Relations = relations();
+    Q3PtrList<Incidence> Relations = relations();
     for (inc=Relations.first();inc;inc=Relations.next()) {
         cloneInc = inc->clone();
         cloneInc->recreate();
@@ -356,7 +358,7 @@ QDateTime Incidence::lastModifiedSub()
         return mLastModifiedSub;
     mLastModifiedSub = lastModified();
     Incidence * inc;
-    QPtrList<Incidence> Relations = relations();
+    Q3PtrList<Incidence> Relations = relations();
     for (inc=Relations.first();inc;inc=Relations.next()) {
         if ( inc->lastModifiedSub() > mLastModifiedSub )
             mLastModifiedSub = inc->lastModifiedSub();
@@ -447,7 +449,7 @@ void Incidence::addCategories(const QStringList &categories, bool addToRelations
     updated();
     if ( addToRelations ) {
         Incidence * inc;
-        QPtrList<Incidence> Relations = relations();
+        Q3PtrList<Incidence> Relations = relations();
         for (inc=Relations.first();inc;inc=Relations.next()) {
             inc->addCategories( categories, true );
         } 
@@ -462,7 +464,7 @@ void Incidence::setCategories(const QStringList &categories, bool setForRelation
   updated();
   if ( setForRelations ) {
       Incidence * inc;
-      QPtrList<Incidence> Relations = relations();
+      Q3PtrList<Incidence> Relations = relations();
       for (inc=Relations.first();inc;inc=Relations.next()) {
           inc->setCategories( categories, true );
       } 
@@ -550,15 +552,15 @@ Incidence *Incidence::relatedTo() const
   return mRelatedTo;
 }
 
-QPtrList<Incidence> Incidence::relations() const
+Q3PtrList<Incidence> Incidence::relations() const
 {
   return mRelations;
 }
 
-void Incidence::addRelationsToList(QPtrList<Incidence> *rel)
+void Incidence::addRelationsToList(Q3PtrList<Incidence> *rel)
 {
     Incidence* inc;
-    QPtrList<Incidence> Relations = relations();
+    Q3PtrList<Incidence> Relations = relations();
     for (inc=Relations.first();inc;inc=Relations.next()) {
         inc->addRelationsToList( rel );
     } 
@@ -647,15 +649,15 @@ void Incidence::deleteAttachments(const QString& mime)
   }
 }
 
-QPtrList<Attachment> Incidence::attachments() const
+Q3PtrList<Attachment> Incidence::attachments() const
 {
   return mAttachments;
 }
 
-QPtrList<Attachment> Incidence::attachments(const QString& mime) const
+Q3PtrList<Attachment> Incidence::attachments(const QString& mime) const
 {
-  QPtrList<Attachment> attachments;
-  QPtrListIterator<Attachment> it( mAttachments );
+  Q3PtrList<Attachment> attachments;
+  Q3PtrListIterator<Attachment> it( mAttachments );
   Attachment *at;
   while ( (at = it.current()) ) {
     if (at->mimeType() == mime)
@@ -737,7 +739,7 @@ QStringList Incidence::secrecyList()
 }
 
 
-QPtrList<Alarm> Incidence::alarms() const
+Q3PtrList<Alarm> Incidence::alarms() const
 {
   return mAlarms;
 }
@@ -771,7 +773,7 @@ void Incidence::clearAlarms()
 bool Incidence::isAlarmEnabled() const
 {
   Alarm* alarm;
-  for (QPtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
+  for (Q3PtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
     if (alarm->enabled())
       return true;
   }
diff --git a/libkcal/incidence.h b/libkcal/incidence.h
index f89942f..2940129 100644
--- a/libkcal/incidence.h
+++ b/libkcal/incidence.h
@@ -25,7 +25,9 @@
 
 #include <qdatetime.h>
 #include <qstringlist.h>
-#include <qvaluelist.h>
+#include <q3valuelist.h>
+//Added by qt3to4:
+#include <Q3PtrList>
 
 #include "recurrence.h"
 #include "alarm.h"
@@ -113,7 +115,7 @@ class Incidence : public IncidenceBase
 
     virtual Incidence *clone() = 0;
     virtual void cloneRelations( Incidence * );
-    void addRelationsToList(QPtrList<Incidence> *rel);
+    void addRelationsToList(Q3PtrList<Incidence> *rel);
     void clearRelations();
     virtual QDateTime getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_dt ) const = 0;
     void setReadOnly( bool );
@@ -177,7 +179,7 @@ class Incidence : public IncidenceBase
     /** what event does this one relate to? */
     Incidence *relatedTo() const;
     /** All events that are related to this event */
-    QPtrList<Incidence> relations() const;
+    Q3PtrList<Incidence> relations() const;
     /** Add an event which is related to this event */
     void addRelation(Incidence *);
     /** Remove event that is related to this event */
@@ -202,9 +204,9 @@ class Incidence : public IncidenceBase
     /** remove and delete all attachments with this mime type */
     void deleteAttachments(const QString& mime);
     /** return list of all associated attachments */
-    QPtrList<Attachment> attachments() const;
+    Q3PtrList<Attachment> attachments() const;
     /** find a list of attachments with this mime type */
-    QPtrList<Attachment> attachments(const QString& mime) const;
+    Q3PtrList<Attachment> attachments(const QString& mime) const;
 
     /** sets the event's status the value specified.  See the enumeration
      * above for possible values. */
@@ -235,7 +237,7 @@ class Incidence : public IncidenceBase
     int priority() const;
 
     /** All alarms that are associated with this incidence */
-    QPtrList<Alarm> alarms() const;
+    Q3PtrList<Alarm> alarms() const;
     /** Create a new alarm which is associated with this incidence */
     Alarm* newAlarm();
     /** Add an alarm which is associated with this incidence */
@@ -288,8 +290,8 @@ class Incidence : public IncidenceBase
     QString durationText4Time( int secs );
     Recurrence *mRecurrence;
 protected:
-    QPtrList<Alarm> mAlarms;
-    QPtrList<Incidence> mRelations;
+    Q3PtrList<Alarm> mAlarms;
+    Q3PtrList<Incidence> mRelations;
     QDateTime mRecurrenceID;
     bool mHasRecurrenceID;
   private:
@@ -308,7 +310,7 @@ protected:
     Incidence *mRelatedTo;
     QString mRelatedToUid;
     DateList mExDates;
-    QPtrList<Attachment> mAttachments;
+    Q3PtrList<Attachment> mAttachments;
     QStringList mResources;
     bool mHasStartDate;                  // if todo has associated start date
 
diff --git a/libkcal/incidencebase.cpp b/libkcal/incidencebase.cpp
index 56c0560..f11ec54 100644
--- a/libkcal/incidencebase.cpp
+++ b/libkcal/incidencebase.cpp
@@ -27,6 +27,8 @@
 #include "syncdefines.h"
 
 #include "incidencebase.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 using namespace KCal;
 
@@ -64,7 +66,7 @@ IncidenceBase::IncidenceBase(const IncidenceBase &i) :
   mCalEnabled = i.mCalEnabled;
   mAlarmEnabled = i.mAlarmEnabled;
   mCalID = i.mCalID;
-  QPtrList<Attendee> attendees = i.attendees();
+  Q3PtrList<Attendee> attendees = i.attendees();
   for( Attendee *a = attendees.first(); a; a = attendees.next() ) {
     mAttendees.append( new Attendee( *a ) );
   }
@@ -300,7 +302,7 @@ bool IncidenceBase::addAttendee(Attendee *a, bool doupdate)
   if (a->name().left(7).upper() == "MAILTO:")
     a->setName(a->name().remove(0,7));
 
-  QPtrListIterator<Attendee> qli(mAttendees);
+  Q3PtrListIterator<Attendee> qli(mAttendees);
   
   qli.toFirst();
   while (qli) {
@@ -343,7 +345,7 @@ void IncidenceBase::clearAttendees()
 #if 0
 Attendee *IncidenceBase::getAttendee(const char *n) const
 {
-  QPtrListIterator<Attendee> qli(mAttendees);
+  Q3PtrListIterator<Attendee> qli(mAttendees);
 
   qli.toFirst();
   while (qli) {
@@ -357,7 +359,7 @@ Attendee *IncidenceBase::getAttendee(const char *n) const
 
 Attendee *IncidenceBase::attendeeByMail(const QString &email)
 {
-  QPtrListIterator<Attendee> qli(mAttendees);
+  Q3PtrListIterator<Attendee> qli(mAttendees);
 
   qli.toFirst();
   while (qli) {
@@ -370,7 +372,7 @@ Attendee *IncidenceBase::attendeeByMail(const QString &email)
 
 Attendee *IncidenceBase::attendeeByMails(const QStringList &emails, const QString& email)
 {
-  QPtrListIterator<Attendee> qli(mAttendees);
+  Q3PtrListIterator<Attendee> qli(mAttendees);
 
   QStringList mails = emails;
   if (!email.isEmpty()) {
@@ -491,7 +493,7 @@ void IncidenceBase::unRegisterObserver( IncidenceBase::Observer *observer )
 
 void IncidenceBase::updated()
 {
-  QPtrListIterator<Observer> it(mObservers);
+  Q3PtrListIterator<Observer> it(mObservers);
   while( it.current() ) {
     Observer *o = it.current();
     ++it;
diff --git a/libkcal/incidencebase.h b/libkcal/incidencebase.h
index 3edc03b..d97f524 100644
--- a/libkcal/incidencebase.h
+++ b/libkcal/incidencebase.h
@@ -25,15 +25,17 @@
 
 #include <qdatetime.h>
 #include <qstringlist.h>
-#include <qvaluelist.h>
-#include <qptrlist.h>
+#include <q3valuelist.h>
+#include <q3ptrlist.h>
+//Added by qt3to4:
+#include <Q3CString>
 
 #include "customproperties.h"
 #include "attendee.h"
 
 namespace KCal {
 
-typedef QValueList<QDate> DateList;
+typedef Q3ValueList<QDate> DateList;
  enum IncTypeID { eventID,todoID,journalID,freebusyID };
 
 /**
@@ -51,7 +53,7 @@ class IncidenceBase : public CustomProperties
     IncidenceBase(const IncidenceBase &);
     virtual ~IncidenceBase();
 
-    virtual QCString type() const = 0;
+    virtual Q3CString type() const = 0;
     virtual  IncTypeID typeID() const = 0;
 
     /** Set the unique id for the event */
@@ -109,7 +111,7 @@ class IncidenceBase : public CustomProperties
     /** Remove all Attendees. */
     void clearAttendees();
     /** Return list of attendees. */
-    QPtrList<Attendee> attendees() const { return mAttendees; };
+    Q3PtrList<Attendee> attendees() const { return mAttendees; };
     /** Return number of attendees. */
     int attendeeCount() const { return mAttendees.count(); };
     /** Return the Attendee with this email */
@@ -168,7 +170,7 @@ class IncidenceBase : public CustomProperties
     bool mCalEnabled;
     bool mAlarmEnabled;
     QDateTime mLastModified;
-    QPtrList<Attendee> mAttendees;
+    Q3PtrList<Attendee> mAttendees;
 
     bool mFloats;
 
@@ -181,7 +183,7 @@ class IncidenceBase : public CustomProperties
     int mPilotId;                         // unique id for pilot sync
     int mSyncStatus;                      // status (for sync)
 
-    QPtrList<Observer> mObservers;
+    Q3PtrList<Observer> mObservers;
 };
 
 bool operator==( const IncidenceBase&, const IncidenceBase& );
diff --git a/libkcal/journal.h b/libkcal/journal.h
index 1cd0a22..c83356f 100644
--- a/libkcal/journal.h
+++ b/libkcal/journal.h
@@ -24,6 +24,8 @@
 //
 
 #include "incidence.h"
+//Added by qt3to4:
+#include <Q3CString>
 
 namespace KCal {
 
@@ -36,7 +38,7 @@ class Journal : public Incidence
     Journal();
     ~Journal();
 
-    QCString type() const { return "Journal"; }
+    Q3CString type() const { return "Journal"; }
     IncTypeID typeID() const { return journalID; }
     
     Incidence *clone();  
diff --git a/libkcal/kincidenceformatter.cpp b/libkcal/kincidenceformatter.cpp
index 733b897..bce68b0 100644
--- a/libkcal/kincidenceformatter.cpp
+++ b/libkcal/kincidenceformatter.cpp
@@ -4,6 +4,8 @@
 #include <klocale.h>
 #ifdef DEKTOP_VERSION
 #include <kabc/stdaddressbook.h>
+//Added by qt3to4:
+#include <Q3PtrList>
 #define size count
 #endif
 
@@ -310,7 +312,7 @@ void KIncidenceFormatter::formatCategories(Incidence *event)
 }
 void KIncidenceFormatter::addTag(const QString & tag,const QString & text)
 {
-  int number=text.contains("\n");
+  int number=text.count("\n");
     QString str = "<" + tag + ">";
     QString tmpText=text;
     QString tmpStr=str;
@@ -339,7 +341,7 @@ void KIncidenceFormatter::addTag(const QString & tag,const QString & text)
 
 void KIncidenceFormatter::formatAttendees(Incidence *event)
 {
- QPtrList<Attendee> attendees = event->attendees();
+ Q3PtrList<Attendee> attendees = event->attendees();
     if (attendees.count()) {
         QString iconPath = KGlobal::iconLoader()->iconPath("mailappt",KIcon::Small);
         QString NOiconPath = KGlobal::iconLoader()->iconPath("nomailappt",KIcon::Small);
@@ -362,7 +364,7 @@ void KIncidenceFormatter::formatAttendees(Incidence *event)
 #else
         mText.append(event->organizer());
 #endif
-        if (iconPath) {
+        if (!iconPath.isEmpty()) {
             mText += " <a href=\"mailto:" + event->organizer() + "\">";
             mText += "<IMG src=\"" + iconPath + "\">";
             mText += "</a>\n";
@@ -402,7 +404,7 @@ void KIncidenceFormatter::formatAttendees(Incidence *event)
 #endif
 
             if (!a->email().isEmpty()) {
-                if (iconPath) {
+                if (!iconPath.isEmpty()) {
                     mText += "<a href=\"mailto:" + a->name() +" "+ "<" + a->email() + ">" + "\">"; 
                     if ( a->RSVP() )
                         mText += "<IMG src=\"" + iconPath + "\">";
diff --git a/libkcal/libkcal.pro b/libkcal/libkcal.pro
index 33c63c3..1f43b10 100644
--- a/libkcal/libkcal.pro
+++ b/libkcal/libkcal.pro
@@ -1,6 +1,6 @@
 TEMPLATE	= lib
 CONFIG		+= qt warn_on
-TARGET		= microkcal
+TARGET		= xmicrokcal
 
 include( ../variables.pri )
 
@@ -106,3 +106,7 @@ dndfactory.cpp \
  versit/vobject.c \
  phoneformat.cpp \
 
+#The following line was inserted by qt3to4
+QT += xml  qt3support 
+#The following line was inserted by qt3to4
+QT +=  
diff --git a/libkcal/libkcalE.pro b/libkcal/libkcalE.pro
index 737be53..fe46656 100644
--- a/libkcal/libkcalE.pro
+++ b/libkcal/libkcalE.pro
@@ -1,6 +1,6 @@
 TEMPLATE	= lib
 CONFIG		+= qt warn_on
-TARGET		= microkcal
+TARGET		= xmicrokcal
 
 INCLUDEPATH += ../libkdepim ../microkde ../qtcompat versit ../microkde/kdecore $(QPEDIR)/include
 INCLUDEPATH += ../libical/src/libical
diff --git a/libkcal/listbase.h b/libkcal/listbase.h
index 085b13d..6c942ef 100644
--- a/libkcal/listbase.h
+++ b/libkcal/listbase.h
@@ -21,7 +21,9 @@
 #ifndef KCAL_LISTBASE_H
 #define KCAL_LISTBASE_H
 
-#include <qvaluelist.h>
+#include <q3valuelist.h>
+//Added by qt3to4:
+#include <Q3PtrList>
 
 namespace KCal {
     class Event;
@@ -31,24 +33,24 @@ namespace KCal {
   *> by auto delete funtionality known from QPtrList.
 */
 template<class T> 
-class ListBase : public QValueList<T *>
+class ListBase : public Q3ValueList<T *>
 {
   public:
     ListBase()
-      : QValueList<T *>(), mAutoDelete( false )
+      : Q3ValueList<T *>(), mAutoDelete( false )
     {
     }
 
     ListBase( const ListBase &l )
-      : QValueList<T *>( l ), mAutoDelete( false )
+      : Q3ValueList<T *>( l ), mAutoDelete( false )
     {
     }
 
     ~ListBase()
     {
       if ( mAutoDelete ) {
-        QValueListIterator<T *> it;
-        for( it = QValueList<T*>::begin(); it != QValueList<T*>::end(); ++it ) {
+        Q3ValueListIterator<T *> it;
+        for( it = Q3ValueList<T*>::begin(); it != Q3ValueList<T*>::end(); ++it ) {
           delete *it;
         }
       }
@@ -57,7 +59,7 @@ class ListBase : public QValueList<T *>
     ListBase &operator=( const ListBase &l )
     {
       if ( this == &l ) return *this;
-      QValueList<T *>::operator=( l );
+      Q3ValueList<T *>::operator=( l );
       return *this;
     }
 
@@ -68,8 +70,8 @@ class ListBase : public QValueList<T *>
 
     bool removeRef( T *t )
     {
-      QValueListIterator<T *> it = find( t );
-      if ( it == QValueList<T*>::end() ) {
+      Q3ValueListIterator<T *> it = find( t );
+      if ( it == Q3ValueList<T*>::end() ) {
         return false;
       } else {
         if ( mAutoDelete ) delete t;
@@ -77,8 +79,8 @@ class ListBase : public QValueList<T *>
         return true;
       }
     }
-    void fill ( QPtrList<T> list ) {
-        QPtrListIterator<T> it (list);
+    void fill ( Q3PtrList<T> list ) {
+        Q3PtrListIterator<T> it (list);
         T *item;
         while ( (item = it.current()) != 0 ) {
             append( item );
diff --git a/libkcal/phoneformat.cpp b/libkcal/phoneformat.cpp
index 900fc04..794e4b4 100644
--- a/libkcal/phoneformat.cpp
+++ b/libkcal/phoneformat.cpp
@@ -22,15 +22,16 @@
 #include <qdatetime.h>
 #include <qstring.h>
 #include <qapplication.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 #include <qregexp.h>
 #include <qmessagebox.h>
 #include <qclipboard.h>
 #include <qfile.h>
-#include <qtextstream.h>
+#include <q3textstream.h>
 #include <qtextcodec.h>
 #include <qdir.h>
 #include <qlabel.h>
+#include <QDesktopWidget>
 
 #include <kdebug.h>
 #include <klocale.h>
@@ -201,7 +202,7 @@ ulong PhoneFormat::getCsumEvent( Event* event )
             writeEndDate = true; 
             {
                 int count = 1;
-                QPtrList<Recurrence::rMonthPos> rmp;
+                Q3PtrList<Recurrence::rMonthPos> rmp;
                 rmp = rec->monthPositions();
                 if ( rmp.first()->negative )
                     count = 5 - rmp.first()->rPos - 1;
@@ -241,7 +242,7 @@ ulong PhoneFormat::getCsumEvent( Event* event )
         
         if ( rec->endDate().isValid() ) { // 15 + 16
             list.append( "1" );
-            list.append( PhoneParser::dtToString( rec->endDate()) );
+            list.append( PhoneParser::dtToString( (QDateTime)rec->endDate()) );
         } else {
             list.append( "0" );
             list.append( "20991231T000000" );
@@ -305,7 +306,7 @@ bool PhoneFormat::load( Calendar *calendar, Calendar *existingCal)
 
     if ( ! vfload.load( calendar, fileName ) )
         return false;
-    QPtrList<Event> er = calendar->rawEvents();
+    Q3PtrList<Event> er = calendar->rawEvents();
     Event* ev = er.first();  
     qDebug("reading events... "); 
     while ( ev ) {
@@ -340,7 +341,7 @@ bool PhoneFormat::load( Calendar *calendar, Calendar *existingCal)
     }
     {
         qDebug("reading todos... "); 
-        QPtrList<Todo> tr = calendar->rawTodos();
+        Q3PtrList<Todo> tr = calendar->rawTodos();
         Todo* ev = tr.first();  
         while ( ev ) {
 
@@ -465,7 +466,7 @@ void PhoneFormat::copyTodo( Todo* to,  Todo* from )
         to->setPriority(from->priority());
 
 }
-#include <qcstring.h>
+#include <q3cstring.h>
 
 void PhoneFormat::afterSave( Incidence* inc,const QString& id ,const QString& csum)
 {
@@ -497,7 +498,7 @@ bool PhoneFormat::save( Calendar *calendar)
    
 
     // 1 remove events which should be deleted
-    QPtrList<Event> er = calendar->rawEvents();
+    Q3PtrList<Event> er = calendar->rawEvents();
     Event* ev = er.first();  
     while ( ev ) {
         if ( ev->tempSyncStat() == SYNC_TEMPSTATE_DELETE ) { 
@@ -508,7 +509,7 @@ bool PhoneFormat::save( Calendar *calendar)
         ev =  er.next();
     }
     //  2 remove todos which should be deleted
-    QPtrList<Todo> tl = calendar->rawTodos(); 
+    Q3PtrList<Todo> tl = calendar->rawTodos(); 
     Todo* to = tl.first();
     while ( to ) {
         if ( to->tempSyncStat() == SYNC_TEMPSTATE_DELETE ) {
@@ -552,7 +553,7 @@ bool PhoneFormat::save( Calendar *calendar)
     er = calendar->rawEvents();
     ev = er.first(); 
     message = i18n(" Comparing event # ");
-    QPtrList<Event> er1 = calendarTemp->rawEvents();
+    Q3PtrList<Event> er1 = calendarTemp->rawEvents();
     Event* ev1; 
     int procCount = 0;
     while ( ev ) {
@@ -580,7 +581,7 @@ bool PhoneFormat::save( Calendar *calendar)
     tl = calendar->rawTodos(); 
     to = tl.first();
     procCount = 0;
-    QPtrList<Todo> tl1 = calendarTemp->rawTodos(); 
+    Q3PtrList<Todo> tl1 = calendarTemp->rawTodos(); 
     Todo* to1 ;
     message = i18n(" Comparing todo # ");
     while ( to  ) {
diff --git a/libkcal/qtopiaformat.cpp b/libkcal/qtopiaformat.cpp
index 0a4a031..2dfe1a4 100644
--- a/libkcal/qtopiaformat.cpp
+++ b/libkcal/qtopiaformat.cpp
@@ -21,11 +21,11 @@
 
 #include <qdatetime.h>
 #include <qstring.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 #include <qregexp.h>
 #include <qclipboard.h>
 #include <qfile.h>
-#include <qtextstream.h>
+#include <q3textstream.h>
 #include <qxml.h>
 
 #include <kdebug.h>
@@ -309,12 +309,12 @@ bool QtopiaFormat::save( Calendar *calendar, const QString &fileName )
   // TODO: write backup file
 
   QFile file( fileName );
-  if (!file.open( IO_WriteOnly ) ) {
+  if (!file.open( QIODevice::WriteOnly ) ) {
     setException(new ErrorFormat(ErrorFormat::SaveError,
                  i18n("Could not open file '%1'").arg(fileName)));
     return false;
   }
-  QTextStream ts( &file );
+  Q3TextStream ts( &file );
   ts << text;
   file.close();
 
diff --git a/libkcal/recurrence.cpp b/libkcal/recurrence.cpp
index 6ee5499..9a4e540 100644
--- a/libkcal/recurrence.cpp
+++ b/libkcal/recurrence.cpp
@@ -29,6 +29,9 @@
 #include "incidence.h"
 
 #include "recurrence.h"
+//Added by qt3to4:
+#include <Q3ValueList>
+#include <Q3PtrList>
 
 using namespace KCal;
 
@@ -56,7 +59,7 @@ Recurrence::Recurrence(Incidence *parent, int compatVersion)
 Recurrence::Recurrence(const Recurrence &r, Incidence *parent)
 : recurs(r.recurs),
   rWeekStart(r.rWeekStart),
-  rDays(r.rDays.copy()),
+  rDays(r.rDays),
   rFreq(r.rFreq),
   rDuration(r.rDuration),
   rEndDateTime(r.rEndDateTime),
@@ -70,19 +73,19 @@ Recurrence::Recurrence(const Recurrence &r, Incidence *parent)
   mCompatDuration(r.mCompatDuration),
   mParent(parent)
 {
-  for (QPtrListIterator<rMonthPos> mp(r.rMonthPositions);  mp.current();  ++mp) {
+  for (Q3PtrListIterator<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();
+    tmp->rDays    = mp.current()->rDays;
     rMonthPositions.append(tmp);
   }
-  for (QPtrListIterator<int> md(r.rMonthDays);  md.current();  ++md) {
+  for (Q3PtrListIterator<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) {
+  for (Q3PtrListIterator<int> yn(r.rYearNums);  yn.current();  ++yn) {
     int *tmp = new int;
     *tmp = *yn.current();
     rYearNums.append(tmp);
@@ -124,8 +127,8 @@ bool Recurrence::operator==( const Recurrence& r2 ) const
       return rDays == r2.rDays
       &&     rWeekStart == r2.rWeekStart;
   case rMonthlyPos: {
-      QPtrList<rMonthPos> MonthPositions = rMonthPositions;
-      QPtrList<rMonthPos> MonthPositions2 = r2.rMonthPositions;
+      Q3PtrList<rMonthPos> MonthPositions = rMonthPositions;
+      Q3PtrList<rMonthPos> MonthPositions2 = r2.rMonthPositions;
       if ( !MonthPositions.count() )
           return false;
       if ( !MonthPositions2.count() )
@@ -133,8 +136,8 @@ bool Recurrence::operator==( const Recurrence& r2 ) const
       return MonthPositions.first()->rPos == MonthPositions2.first()->rPos;
   }
   case rMonthlyDay: {
-      QPtrList<int> MonthDays = rMonthDays ; 
-      QPtrList<int> MonthDays2 = r2.rMonthDays ;  
+      Q3PtrList<int> MonthDays = rMonthDays ; 
+      Q3PtrList<int> MonthDays2 = r2.rMonthDays ;  
       if ( !MonthDays.count() )
           return false;
       if ( !MonthDays2.count() )
@@ -143,12 +146,12 @@ bool Recurrence::operator==( const Recurrence& r2 ) const
   }
   case rYearlyPos: {
 
-      QPtrList<int> YearNums = rYearNums;
-      QPtrList<int> YearNums2 = r2.rYearNums;
+      Q3PtrList<int> YearNums = rYearNums;
+      Q3PtrList<int> YearNums2 = r2.rYearNums;
       if ( *YearNums.first() != *YearNums2.first() )
           return false;
-      QPtrList<rMonthPos> MonthPositions = rMonthPositions;
-      QPtrList<rMonthPos> MonthPositions2 = r2.rMonthPositions;
+      Q3PtrList<rMonthPos> MonthPositions = rMonthPositions;
+      Q3PtrList<rMonthPos> MonthPositions2 = r2.rMonthPositions;
       if ( !MonthPositions.count() )
           return false;
       if ( !MonthPositions2.count() )
@@ -157,13 +160,13 @@ bool Recurrence::operator==( const Recurrence& r2 ) const
      
   }
   case rYearlyMonth: {
-      QPtrList<int> YearNums = rYearNums;
-      QPtrList<int> YearNums2 = r2.rYearNums;
+      Q3PtrList<int> YearNums = rYearNums;
+      Q3PtrList<int> YearNums2 = r2.rYearNums;
       return ( *YearNums.first() == *YearNums2.first()  && mFeb29YearlyType == r2.mFeb29YearlyType);
   }
       case rYearlyDay: {
-      QPtrList<int> YearNums = rYearNums;
-      QPtrList<int> YearNums2 = r2.rYearNums;
+      Q3PtrList<int> YearNums = rYearNums;
+      Q3PtrList<int> YearNums2 = r2.rYearNums;
       return ( *YearNums.first() == *YearNums2.first() );
       }
     case rNone:
@@ -357,7 +360,7 @@ QDateTime Recurrence::endDateTime() const
     case rHourly:
       return mRecurStart.addSecs((rDuration-1+mRecurExDatesCount)*rFreq*3600);
     case rDaily:
-      return dStart.addDays((rDuration-1+mRecurExDatesCount)*rFreq);
+      return (QDateTime)dStart.addDays((rDuration-1+mRecurExDatesCount)*rFreq);
 
     case rWeekly:
       count = weeklyCalc(END_DATE_AND_COUNT, end);
@@ -506,17 +509,17 @@ const QBitArray &Recurrence::days() const
   return rDays;
 }
 
-const QPtrList<Recurrence::rMonthPos> &Recurrence::monthPositions() const
+const Q3PtrList<Recurrence::rMonthPos> &Recurrence::monthPositions() const
 {
   return rMonthPositions;
 }
 
-const QPtrList<Recurrence::rMonthPos> &Recurrence::yearMonthPositions() const
+const Q3PtrList<Recurrence::rMonthPos> &Recurrence::yearMonthPositions() const
 {
   return rMonthPositions;
 }
 
-const QPtrList<int> &Recurrence::monthDays() const
+const Q3PtrList<int> &Recurrence::monthDays() const
 {
   return rMonthDays;
 }
@@ -759,7 +762,7 @@ void Recurrence::addYearlyMonthPos(short _rPos, const QBitArray &_rDays)
     addMonthlyPos_(_rPos, _rDays);
 }
 
-const QPtrList<int> &Recurrence::yearNums() const
+const Q3PtrList<int> &Recurrence::yearNums() const
 {
   return rYearNums;
 }
@@ -1047,13 +1050,13 @@ bool Recurrence::recursMonthly(const QDate &qd) const
          (rDuration == 0 && qd <= rEndDateTime.date()) ||
          rDuration == -1)) {
       // The date queried falls within the range of the event.
-      QValueList<int> days;
+      Q3ValueList<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) {
+      for (Q3ValueList<int>::Iterator it = days.begin();  it != days.end();  ++it) {
         if (*it == day)
           return true;
       }
@@ -1101,7 +1104,7 @@ bool Recurrence::recursYearlyByMonth(const QDate &qd) const
            rDuration == -1)) {
         // The date queried falls within the range of the event.
         int i = qmonth;
-        for (QPtrListIterator<int> qlin(rYearNums); qlin.current(); ++qlin) {
+        for (Q3PtrListIterator<int> qlin(rYearNums); qlin.current(); ++qlin) {
           if (i == *qlin.current())
             return true;
         }
@@ -1127,12 +1130,12 @@ bool Recurrence::recursYearlyByPos(const QDate &qd) const
          (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) {
+      for (Q3PtrListIterator<int> qlin(rYearNums); qlin.current(); ++qlin) {
         if (month == *qlin.current()) {
           // The month recurs
-          QValueList<int> days;
+          Q3ValueList<int> days;
           getMonthlyPosDays(days, qd.daysInMonth(), QDate(year, month, 1).dayOfWeek());
-          for (QValueList<int>::Iterator it = days.begin();  it != days.end();  ++it) {
+          for (Q3ValueList<int>::Iterator it = days.begin();  it != days.end();  ++it) {
             if (*it == day)
               return true;
           }
@@ -1157,7 +1160,7 @@ bool Recurrence::recursYearlyByDay(const QDate &qd) const
          rDuration == -1)) {
       // The date queried falls within the range of the event.
       int i = qd.dayOfYear();
-      for (QPtrListIterator<int> qlin(rYearNums); qlin.current(); ++qlin) {
+      for (Q3PtrListIterator<int> qlin(rYearNums); qlin.current(); ++qlin) {
         if (i == *qlin.current())
           return true;
       }
@@ -1549,7 +1552,7 @@ int Recurrence::recurCalc(PeriodFunc func, QDate &enddate) const
     case END_DATE_AND_COUNT:
     case NEXT_AFTER_DATE:
       if (count == 0)
-        endtime = QDate();
+        endtime = QDateTime();
       else if (timed)
         enddate = endtime.date();
       break;
@@ -1793,8 +1796,8 @@ struct Recurrence::MonthlyData {
     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];
+    Q3ValueList<int>   days28, days29, days30, days31;   // recurring days in months of each length
+    Q3ValueList<int>  *recurDays[4];
   public:
     MonthlyData(const Recurrence* r, const QDate &date)
              : recurrence(r), year(date.year()), month(date.month()-1), day(date.day())
@@ -1805,12 +1808,12 @@ struct Recurrence::MonthlyData {
                varies = (recurrence->recurs == rMonthlyPos)
                         ? true : recurrence->getMonthlyDayDays(days31, 31);
              }
-    const QValueList<int>* dayList() const {
+    const Q3ValueList<int>* dayList() const {
             if (!varies)
               return &days31;
             QDate startOfMonth(year, month + 1, 1);
             int daysInMonth = startOfMonth.daysInMonth();
-            QValueList<int>* days = recurDays[daysInMonth - 28];
+            Q3ValueList<int>* days = recurDays[daysInMonth - 28];
             if (recurrence->recurs == rMonthlyPos)
               recurrence->getMonthlyPosDays(*days, daysInMonth, startOfMonth.dayOfWeek());
             else if (days->isEmpty())
@@ -1844,8 +1847,8 @@ 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();
+  Q3ValueList<int>::ConstIterator it;
+  const Q3ValueList<int>* days = data.dayList();
 
   if (data.day > 1) {
     // Check what remains of the start month
@@ -1910,8 +1913,8 @@ int Recurrence::monthlyCalcToDate(const QDate &enddate, MonthlyData &data) const
   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();
+  Q3ValueList<int>::ConstIterator it;
+  const Q3ValueList<int>* days = data.dayList();
 
   if (data.day > 1) {
     // Check what remains of the start month
@@ -1969,8 +1972,8 @@ int Recurrence::monthlyCalcNextAfter(QDate &enddate, MonthlyData &data) const
   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();
+  Q3ValueList<int>::ConstIterator it;
+  const Q3ValueList<int>* days = data.dayList();
 
   if (data.day > 1) {
     // Check what remains of the start month
@@ -2052,17 +2055,17 @@ struct Recurrence::YearlyMonthData {
     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
+    Q3ValueList<int>   months;        // recurring months in non-leap years  1..12
+    Q3ValueList<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
+    const Q3ValueList<int>* monthList() const
                          { return leapyear ? &leapMonths : &months; }
-    const QValueList<int>* leapMonthList() const  { return &leapMonths; }
+    const Q3ValueList<int>* leapMonthList() const  { return &leapMonths; }
     QDate            date() const  { return QDate(year, month, day); }
 };
 
@@ -2088,8 +2091,8 @@ int Recurrence::yearlyMonthCalcEndDate(QDate &enddate, YearlyMonthData &data) co
 {
   uint countTogo = rDuration + mRecurExDatesCount;
   int  countGone = 0;
-  QValueList<int>::ConstIterator it;
-  const QValueList<int>* mons = data.monthList();   // get recurring months for this year
+  Q3ValueList<int>::ConstIterator it;
+  const Q3ValueList<int>* mons = data.monthList();   // get recurring months for this year
 
   if (data.month > 1) {
     // Check what remains of the start year
@@ -2199,8 +2202,8 @@ int Recurrence::yearlyMonthCalcToDate(const QDate &enddate, YearlyMonthData &dat
       --endYear;
     }
   }
-  QValueList<int>::ConstIterator it;
-  const QValueList<int>* mons = data.monthList();
+  Q3ValueList<int>::ConstIterator it;
+  const Q3ValueList<int>* mons = data.monthList();
 
   if (data.month > 1) {
     // Check what remains of the start year
@@ -2270,8 +2273,8 @@ int Recurrence::yearlyMonthCalcNextAfter(QDate &enddate, YearlyMonthData &data)
       --endYear;
     }
   }
-  QValueList<int>::ConstIterator it;
-  const QValueList<int>* mons = data.monthList();
+  Q3ValueList<int>::ConstIterator it;
+  const Q3ValueList<int>* mons = data.monthList();
 
   if (data.month > 1) {
     // Check what remains of the start year
@@ -2390,7 +2393,7 @@ struct Recurrence::YearlyPosData {
     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;
+    mutable Q3ValueList<int> days;
   public:
     YearlyPosData(const Recurrence* r, const QDate &date)
           : recurrence(r), year(date.year()), month(date.month()), day(date.day()), count(-1)
@@ -2398,7 +2401,7 @@ struct Recurrence::YearlyPosData {
                 count = daysPerMonth * r->rYearNums.count();
               varies = (daysPerMonth < 0);
             }
-    const QValueList<int>* dayList() const {
+    const Q3ValueList<int>* dayList() const {
             QDate startOfMonth(year, month, 1);
             recurrence->getMonthlyPosDays(days, startOfMonth.daysInMonth(), startOfMonth.dayOfWeek());
             return &days;
@@ -2428,12 +2431,12 @@ int Recurrence::yearlyPosCalcEndDate(QDate &enddate, YearlyPosData &data) const
 {
   uint countTogo = rDuration + mRecurExDatesCount;
   int  countGone = 0;
-  QValueList<int>::ConstIterator id;
-  const QValueList<int>* days;
+  Q3ValueList<int>::ConstIterator id;
+  const Q3ValueList<int>* days;
 
   if (data.month > 1 || data.day > 1) {
     // Check what remains of the start year
-    for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
+    for (Q3PtrListIterator<int> im(rYearNums); im.current(); ++im) {
       if (*im.current() >= data.month) {
         // Check what remains of the start month
         if (data.day > 1 || data.varies
@@ -2466,7 +2469,7 @@ int Recurrence::yearlyPosCalcEndDate(QDate &enddate, YearlyPosData &data) const
   if (data.varies) {
     // The number of recurrences varies from year to year.
     for ( ; ; ) {
-      for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
+      for (Q3PtrListIterator<int> im(rYearNums); im.current(); ++im) {
         data.month = *im.current();
         days = data.dayList();
         int n = days->count();
@@ -2496,7 +2499,7 @@ int Recurrence::yearlyPosCalcEndDate(QDate &enddate, YearlyPosData &data) const
     countTogo -= wholeYears * data.count;
 
     // Check the last year in the recurrence.
-    for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
+    for (Q3PtrListIterator<int> im(rYearNums); im.current(); ++im) {
       if (static_cast<uint>(data.daysPerMonth) >= countTogo) {
         // Check the last month in the recurrence
         data.month = *im.current();
@@ -2531,12 +2534,12 @@ int Recurrence::yearlyPosCalcToDate(const QDate &enddate, YearlyPosData &data) c
     --endYear;
   }
   int endYearMonth = endYear*12 + endMonth;
-  QValueList<int>::ConstIterator id;
-  const QValueList<int>* days;
+  Q3ValueList<int>::ConstIterator id;
+  const Q3ValueList<int>* days;
 
   if (data.month > 1 || data.day > 1) {
     // Check what remains of the start year
-    for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
+    for (Q3PtrListIterator<int> im(rYearNums); im.current(); ++im) {
       if (*im.current() >= data.month) {
         data.month = *im.current();
         if (data.yearMonth() > endYearMonth)
@@ -2576,7 +2579,7 @@ int Recurrence::yearlyPosCalcToDate(const QDate &enddate, YearlyPosData &data) c
   if (data.varies) {
     // The number of recurrences varies from year to year.
     for ( ; ; ) {
-      for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
+      for (Q3PtrListIterator<int> im(rYearNums); im.current(); ++im) {
         data.month = *im.current();
         days = data.dayList();
         if (data.yearMonth() >= endYearMonth) {
@@ -2611,7 +2614,7 @@ int Recurrence::yearlyPosCalcToDate(const QDate &enddate, YearlyPosData &data) c
     data.year = endYear;
 
     // Check the last year in the recurrence.
-    for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
+    for (Q3PtrListIterator<int> im(rYearNums); im.current(); ++im) {
       data.month = *im.current();
       if (data.month >= endMonth) {
         if (data.month > endMonth)
@@ -2646,14 +2649,14 @@ int Recurrence::yearlyPosCalcNextAfter(QDate &enddate, YearlyPosData &data) cons
     --endYear;
   }
   int endYearMonth = endYear*12 + endMonth;
-  QValueList<int>::ConstIterator id;
-  const QValueList<int>* days;
+  Q3ValueList<int>::ConstIterator id;
+  const Q3ValueList<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) {
+      for (Q3PtrListIterator<int> im(rYearNums); im.current(); ++im) {
         if (*im.current() >= data.month) {
           // Check the next month
           data.month = *im.current();
@@ -2689,7 +2692,7 @@ int Recurrence::yearlyPosCalcNextAfter(QDate &enddate, YearlyPosData &data) cons
     // 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) {
+      for (Q3PtrListIterator<int> im(rYearNums); im.current(); ++im) {
         if (*im.current() >= data.month) {
           // Check what remains of the start month
           data.month = *im.current();
@@ -2734,7 +2737,7 @@ int Recurrence::yearlyPosCalcNextAfter(QDate &enddate, YearlyPosData &data) cons
     }
 
     // Check the last year in the recurrence
-    for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
+    for (Q3PtrListIterator<int> im(rYearNums); im.current(); ++im) {
       data.month = *im.current();
       int ended = data.yearMonth() - endYearMonth;
       if (ended >= 0) {
@@ -2808,7 +2811,7 @@ int Recurrence::yearlyDayCalcEndDate(QDate &enddate, YearlyDayData &data) const
   if (data.day > 1) {
     // Check what remains of the start year
     bool leapOK = data.isMaxDayCount();
-    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
+    for (Q3PtrListIterator<int> it(rYearNums); it.current(); ++it) {
       int d = *it.current();
       if (d >= data.day && (leapOK || d < 366)) {
         ++countGone;
@@ -2846,7 +2849,7 @@ int Recurrence::yearlyDayCalcEndDate(QDate &enddate, YearlyDayData &data) const
   }
   if (countTogo) {
     // Check the last year in the recurrence
-    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
+    for (Q3PtrListIterator<int> it(rYearNums); it.current(); ++it) {
       ++countGone;
       if (--countTogo == 0) {
         data.day = *it.current();
@@ -2869,7 +2872,7 @@ int Recurrence::yearlyDayCalcToDate(const QDate &enddate, YearlyDayData &data) c
   if (data.day > 1) {
     // Check what remains of the start year
     bool leapOK = data.isMaxDayCount();
-    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
+    for (Q3PtrListIterator<int> it(rYearNums); it.current(); ++it) {
       int d = *it.current();
       if (d >= data.day && (leapOK || d < 366)) {
         if (data.year == endYear && d > endDay)
@@ -2908,7 +2911,7 @@ int Recurrence::yearlyDayCalcToDate(const QDate &enddate, YearlyDayData &data) c
 
   if (data.year <= endYear) {
     // Check the last year in the recurrence
-    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
+    for (Q3PtrListIterator<int> it(rYearNums); it.current(); ++it) {
       if (*it.current() > endDay)
         return countGone;
       if (++countGone >= countMax)
@@ -2928,7 +2931,7 @@ int Recurrence::yearlyDayCalcNextAfter(QDate &enddate, YearlyDayData &data) cons
   if (data.day > 1) {
     // Check what remains of the start year
     bool leapOK = data.isMaxDayCount();
-    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
+    for (Q3PtrListIterator<int> it(rYearNums); it.current(); ++it) {
       int d = *it.current();
       if (d >= data.day && (leapOK || d < 366)) {
         ++countGone;
@@ -2977,7 +2980,7 @@ int Recurrence::yearlyDayCalcNextAfter(QDate &enddate, YearlyDayData &data) cons
   }
 
   // Check the last year in the recurrence
-  for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
+  for (Q3PtrListIterator<int> it(rYearNums); it.current(); ++it) {
     ++countGone;
     int d = *it.current();
     if (data.year > endYear || d > endDay) {
@@ -2995,13 +2998,13 @@ ex:
 // 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
+void Recurrence::getMonthlyPosDays(Q3ValueList<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) {
+  for (Q3PtrListIterator<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) {
@@ -3039,7 +3042,7 @@ 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) {
+  for (Q3PtrListIterator<rMonthPos> pos(rMonthPositions); pos.current(); ++pos) {
     int weeknum = pos.current()->rPos;
     Q_UINT8* wk;
     if (pos.current()->negative) {
@@ -3072,12 +3075,12 @@ int Recurrence::countMonthlyPosDays() const
 
 // 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
+bool Recurrence::getMonthlyDayDays(Q3ValueList<int> &list, int daysInMonth) const
 {
   list.clear();
   bool variable = false;
   Q_UINT32 days = 0;
-  for (QPtrListIterator<int> it(rMonthDays); it.current(); ++it) {
+  for (Q3PtrListIterator<int> it(rMonthDays); it.current(); ++it) {
     int day = *it.current();
     if (day > 0) {
       // date in the month
@@ -3106,12 +3109,12 @@ bool Recurrence::getMonthlyDayDays(QValueList<int> &list, int daysInMonth) const
 // 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
+bool Recurrence::getYearlyMonthMonths(int day, Q3ValueList<int> &list, Q3ValueList<int> &leaplist) const
 {
   list.clear();
   leaplist.clear();
   bool feb29 = false;
-  for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
+  for (Q3PtrListIterator<int> it(rYearNums); it.current(); ++it) {
     int month = *it.current();
     if (month == 2) {
       if (day <= 28) {
@@ -3187,7 +3190,7 @@ QDate Recurrence::getFirstDateInMonth(const QDate &earliestDate) const
   switch (recurs) {
     case rMonthlyDay: {
       int minday = daysInMonth + 1;
-      for (QPtrListIterator<int> it(rMonthDays);  it.current();  ++it) {
+      for (Q3PtrListIterator<int> it(rMonthDays);  it.current();  ++it) {
         int day = *it.current();
         if (day < 0)
           day = daysInMonth + day + 1;
@@ -3201,9 +3204,9 @@ QDate Recurrence::getFirstDateInMonth(const QDate &earliestDate) const
     case rMonthlyPos:
     case rYearlyPos: {
       QDate monthBegin(earliestDate.addDays(1 - earliestDay));
-      QValueList<int> dayList;
+      Q3ValueList<int> dayList;
       getMonthlyPosDays(dayList, daysInMonth, monthBegin.dayOfWeek());
-      for (QValueList<int>::ConstIterator id = dayList.begin();  id != dayList.end();  ++id) {
+      for (Q3ValueList<int>::ConstIterator id = dayList.begin();  id != dayList.end();  ++id) {
         if (*id >= earliestDay)
           return monthBegin.addDays(*id - 1);
       }
@@ -3224,7 +3227,7 @@ QDate Recurrence::getLastDateInMonth(const QDate &latestDate) const
   switch (recurs) {
     case rMonthlyDay: {
       int maxday = -1;
-      for (QPtrListIterator<int> it(rMonthDays);  it.current();  ++it) {
+      for (Q3PtrListIterator<int> it(rMonthDays);  it.current();  ++it) {
         int day = *it.current();
         if (day < 0)
           day = daysInMonth + day + 1;
@@ -3238,9 +3241,9 @@ QDate Recurrence::getLastDateInMonth(const QDate &latestDate) const
     case rMonthlyPos:
     case rYearlyPos: {
       QDate monthBegin(latestDate.addDays(1 - latestDay));
-      QValueList<int> dayList;
+      Q3ValueList<int> dayList;
       getMonthlyPosDays(dayList, daysInMonth, monthBegin.dayOfWeek());
-      for (QValueList<int>::ConstIterator id = dayList.fromLast();  id != dayList.end();  --id) {
+      for (Q3ValueList<int>::ConstIterator id = dayList.fromLast();  id != dayList.end();  --id) {
         if (*id <= latestDay)
           return monthBegin.addDays(*id - 1);
       }
@@ -3256,7 +3259,7 @@ QDate Recurrence::getLastDateInMonth(const QDate &latestDate) const
  */
 QDate Recurrence::getFirstDateInYear(const QDate &earliestDate) const
 {
-  QPtrListIterator<int> it(rYearNums);
+  Q3PtrListIterator<int> it(rYearNums);
   switch (recurs) {
     case rYearlyMonth: {
       int day = recurStart().date().day();
@@ -3292,7 +3295,7 @@ QDate Recurrence::getFirstDateInYear(const QDate &earliestDate) const
       break;
     }
     case rYearlyPos: {
-      QValueList<int> dayList;
+      Q3ValueList<int> dayList;
       int earliestYear  = earliestDate.year();
       int earliestMonth = earliestDate.month();
       int earliestDay   = earliestDate.day();
@@ -3301,7 +3304,7 @@ QDate Recurrence::getFirstDateInYear(const QDate &earliestDate) const
         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) {
+          for (Q3ValueList<int>::ConstIterator id = dayList.begin();  id != dayList.end();  ++id) {
             if (*id >= earliestDay)
               return monthBegin.addDays(*id - 1);
           }
@@ -3329,7 +3332,7 @@ QDate Recurrence::getFirstDateInYear(const QDate &earliestDate) const
  */
 QDate Recurrence::getLastDateInYear(const QDate &latestDate) const
 {
-  QPtrListIterator<int> it(rYearNums);
+  Q3PtrListIterator<int> it(rYearNums);
   switch (recurs) {
     case rYearlyMonth: {
       int day = recurStart().date().day();
@@ -3364,7 +3367,7 @@ QDate Recurrence::getLastDateInYear(const QDate &latestDate) const
       break;
     }
     case rYearlyPos: {
-      QValueList<int> dayList;
+      Q3ValueList<int> dayList;
       int latestYear  = latestDate.year();
       int latestMonth = latestDate.month();
       int latestDay   = latestDate.day();
@@ -3373,7 +3376,7 @@ QDate Recurrence::getLastDateInYear(const QDate &latestDate) const
         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) {
+          for (Q3ValueList<int>::ConstIterator id = dayList.fromLast();  id != dayList.end();  --id) {
             if (*id <= latestDay)
               return monthBegin.addDays(*id - 1);
           }
diff --git a/libkcal/recurrence.h b/libkcal/recurrence.h
index b13d14f..5b5aab1 100644
--- a/libkcal/recurrence.h
+++ b/libkcal/recurrence.h
@@ -24,7 +24,9 @@
 
 #include <qstring.h>
 #include <qbitarray.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
+//Added by qt3to4:
+#include <Q3ValueList>
 
 namespace KCal {
 
@@ -248,9 +250,9 @@ class Recurrence
      */
     void addMonthlyDay(short _rDay);
     /** Returns list of day positions in months. */
-    const QPtrList<rMonthPos> &monthPositions() const;
+    const Q3PtrList<rMonthPos> &monthPositions() const;
     /** Returns list of day numbers of a  month. */
-    const QPtrList<int> &monthDays() const;
+    const Q3PtrList<int> &monthDays() const;
 
     /** Sets an event to recur yearly.
      * @var type rYearlyMonth, rYearlyPos or rYearlyDay
@@ -279,9 +281,9 @@ class Recurrence
      */
     void addYearlyMonthPos(short _rPos, const QBitArray &_rDays);
     /** Returns positions of days or months in year. */
-    const QPtrList<int> &yearNums() const;
+    const Q3PtrList<int> &yearNums() const;
     /** Returns list of day positions in months, for a recursYearlyPos recurrence rule. */
-    const QPtrList<rMonthPos> &yearMonthPositions() const;
+    const Q3PtrList<rMonthPos> &yearMonthPositions() const;
     /** Returns how yearly recurrences of February 29th are handled. */
     Feb29Type feb29YearlyType() const  { return mFeb29YearlyType; }
     /** Sets the default method for handling yearly recurrences of February 29th. */
@@ -294,8 +296,8 @@ class Recurrence
     */
     void dump() const;
     QString recurrenceText() const;
-    bool getYearlyMonthMonths(int day, QValueList<int>&,
-                              QValueList<int> &leaplist) const;
+    bool getYearlyMonthMonths(int day, Q3ValueList<int>&,
+                              Q3ValueList<int> &leaplist) const;
 
   protected:
     enum PeriodFunc { END_DATE_AND_COUNT, COUNT_TO_DATE, NEXT_AFTER_DATE };
@@ -345,9 +347,9 @@ class Recurrence
     int  yearlyDayCalcNextAfter(QDate& enddate, YearlyDayData&) const;
 
     int  countMonthlyPosDays() const;
-    void getMonthlyPosDays(QValueList<int>&, int daysInMonth,
+    void getMonthlyPosDays(Q3ValueList<int>&, int daysInMonth,
                            int startDayOfWeek) const;
-    bool getMonthlyDayDays(QValueList<int>&, int daysInMonth) const;
+    bool getMonthlyDayDays(Q3ValueList<int>&, int daysInMonth) const;
 
     int   getFirstDayInWeek(int startDay, bool useWeekStart = true) const;
     int   getLastDayInWeek(int endDay, bool useWeekStart = true) const;
@@ -366,13 +368,13 @@ class Recurrence
     int rWeekStart;                      // day which starts the week, Monday=1 .. Sunday=7
     QBitArray rDays;                     // array of days during week it recurs
 
-    QPtrList<rMonthPos> rMonthPositions; // list of positions during a month
+    Q3PtrList<rMonthPos> rMonthPositions; // list of positions during a month
                                          // on which an event recurs
 
-    QPtrList<int> rMonthDays;            // list of days during a month on
+    Q3PtrList<int> rMonthDays;            // list of days during a month on
                                          // which the event recurs
 
-    QPtrList<int> rYearNums;             // either months/days to recur on for rYearly,
+    Q3PtrList<int> rYearNums;             // either months/days to recur on for rYearly,
                                          // sorted in numerical order
 
     int rFreq;                           // frequency of period
diff --git a/libkcal/scheduler.cpp b/libkcal/scheduler.cpp
index 253d8b7..234cfcf 100644
--- a/libkcal/scheduler.cpp
+++ b/libkcal/scheduler.cpp
@@ -20,7 +20,9 @@
 
 #include <qdir.h>
 #include <qfile.h>
-#include <qtextstream.h>
+#include <q3textstream.h>
+//Added by qt3to4:
+#include <Q3PtrList>
 
 #include <klocale.h>
 #include <kdebug.h>
@@ -264,8 +266,8 @@ bool Scheduler::acceptReply(IncidenceBase *incidence,ScheduleMessage::Status sta
   if (ev || to) {
     //get matching attendee in calendar
     kdDebug(5800) << "Scheduler::acceptTransaction match found!" << endl;
-    QPtrList<Attendee> attendeesIn = incidence->attendees();
-    QPtrList<Attendee> attendeesEv;
+    Q3PtrList<Attendee> attendeesIn = incidence->attendees();
+    Q3PtrList<Attendee> attendeesEv;
     if (ev) attendeesEv = ev->attendees();
     if (to) attendeesEv = to->attendees();
     Attendee *attIn;
@@ -342,11 +344,11 @@ bool Scheduler::acceptFreeBusy(IncidenceBase *incidence, Method method)
 
   QString messageText = mFormat->createScheduleMessage(freebusy, Publish);
 
-  if (!f.open(IO_ReadWrite)) {
+  if (!f.open(QIODevice::ReadWrite)) {
    kdDebug() << "acceptFreeBusy: Can't open:" << filename << " for writing" << endl;
    return false;
   }
-  QTextStream t(&f);
+  Q3TextStream t(&f);
   t << messageText;
   f.close();
 
diff --git a/libkcal/scheduler.h b/libkcal/scheduler.h
index a9f43b9..357e98e 100644
--- a/libkcal/scheduler.h
+++ b/libkcal/scheduler.h
@@ -23,7 +23,7 @@
 // iTIP transactions base class
 
 #include <qstring.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 
 namespace KCal {
 
@@ -95,7 +95,7 @@ class Scheduler {
     method. */
     virtual bool performTransaction(IncidenceBase *incidence,Method method,const QString &recipients) = 0;
     /** Retrieve incoming iTIP transactions */
-    virtual QPtrList<ScheduleMessage> retrieveTransactions() = 0;
+    virtual Q3PtrList<ScheduleMessage> retrieveTransactions() = 0;
 
     /**
       Accept transaction. The incidence argument specifies the iCal compoennt
diff --git a/libkcal/sharpformat.cpp b/libkcal/sharpformat.cpp
index 9b757f7..b8c2aa7 100644
--- a/libkcal/sharpformat.cpp
+++ b/libkcal/sharpformat.cpp
@@ -22,12 +22,12 @@
 #include <qdatetime.h>
 #include <qstring.h>
 #include <qapplication.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 #include <qregexp.h>
 #include <qmessagebox.h>
 #include <qclipboard.h>
 #include <qfile.h>
-#include <qtextstream.h>
+#include <q3textstream.h>
 #include <qtextcodec.h>
 #include <qxml.h>
 #include <qlabel.h>
@@ -366,11 +366,11 @@ bool SharpFormat::load( Calendar *calendar, Calendar *existngCal )
         
     }  
     QFile file( fileName );
-    if (!file.open( IO_ReadOnly ) ) {
+    if (!file.open( QIODevice::ReadOnly ) ) {
         return false;
         
     } 
-    QTextStream ts( &file );
+    Q3TextStream ts( &file );
     ts.setCodec( QTextCodec::codecForName("utf8") );
     text = ts.read();
     file.close();  
@@ -388,7 +388,7 @@ bool SharpFormat::load( Calendar *calendar, Calendar *existngCal )
         fileName = "/tmp/todo.txt";
     } 
     file.setName( fileName );
-    if (!file.open( IO_ReadOnly ) ) {
+    if (!file.open( QIODevice::ReadOnly ) ) {
         return false;
         
     } 
@@ -475,7 +475,7 @@ bool SharpFormat::save( Calendar *calendar)
     QString ePrefix = "CARDID,CATEGORY,DSRP,PLCE,MEM1,TIM1,TIM2,ADAY,ARON,ARMN,ARSD,RTYP,RFRQ,RPOS,RDYS,REND,REDT,ALSD,ALED,MDAY\n";
     QString tPrefix = "CARDID,CATEGORY,ETDY,LTDY,FNDY,MARK,PRTY,TITL,MEM1\n";
     QString command;
-    QPtrList<Event> er = calendar->rawEvents(); 
+    Q3PtrList<Event> er = calendar->rawEvents(); 
     Event* ev = er.first();
     QString  fileName = "/tmp/kopitempout";
     int i = 0;
@@ -503,10 +503,10 @@ bool SharpFormat::save( Calendar *calendar)
             else  if ( ev->getID("Sharp_DTM").isEmpty()  ) {       // add new 
                 QString fileNameIn = "/tmp/kopitempin";
                 QFile fileIn( fileNameIn );
-                if (!fileIn.open( IO_WriteOnly ) ) {
+                if (!fileIn.open( QIODevice::WriteOnly ) ) {
                     return false;
                 } 
-                QTextStream tsIn( &fileIn );
+                Q3TextStream tsIn( &fileIn );
                 tsIn.setCodec( QTextCodec::codecForName("utf8") );
                 tsIn << ePrefix << eString ;
                 fileIn.close();  
@@ -517,11 +517,11 @@ bool SharpFormat::save( Calendar *calendar)
                 //qDebug("command -------- ");
                 system (  command.utf8() );
                 QFile file( fileName );
-                if (!file.open( IO_ReadOnly ) ) {
+                if (!file.open( QIODevice::ReadOnly ) ) {
                     return false;
                     
                 } 
-                QTextStream ts( &file );
+                Q3TextStream ts( &file );
                 ts.setCodec( QTextCodec::codecForName("utf8") );
                 answer = ts.read();
                 file.close();  
@@ -544,11 +544,11 @@ bool SharpFormat::save( Calendar *calendar)
     //qDebug("changing... ");
     if ( changeEnt ) {
         QFile file( fileName );
-        if (!file.open( IO_WriteOnly ) ) {
+        if (!file.open( QIODevice::WriteOnly ) ) {
             return false;
             
         } 
-        QTextStream ts( &file );
+        Q3TextStream ts( &file );
         ts.setCodec( QTextCodec::codecForName("utf8") );
         ts << changeString ;
         file.close();
@@ -562,11 +562,11 @@ bool SharpFormat::save( Calendar *calendar)
     //qDebug("deleting... ");
     if ( deleteEnt  ) {
         QFile file( fileName );
-        if (!file.open( IO_WriteOnly ) ) {
+        if (!file.open( QIODevice::WriteOnly ) ) {
             return false;
             
         } 
-        QTextStream ts( &file );
+        Q3TextStream ts( &file );
         ts.setCodec( QTextCodec::codecForName("utf8") );
         ts << deleteString;
         file.close();
@@ -580,7 +580,7 @@ bool SharpFormat::save( Calendar *calendar)
     deleteString = tPrefix;
     status.setText ( i18n("Processing todos ...") );
     qApp->processEvents();
-    QPtrList<Todo> tl = calendar->rawTodos(); 
+    Q3PtrList<Todo> tl = calendar->rawTodos(); 
     Todo* to = tl.first();
     i = 0;
     message = i18n("Processing todo # ");
@@ -605,20 +605,20 @@ bool SharpFormat::save( Calendar *calendar)
 
                 QString fileNameIn = "/tmp/kopitempin";
                 QFile fileIn( fileNameIn );
-                if (!fileIn.open( IO_WriteOnly ) ) {
+                if (!fileIn.open( QIODevice::WriteOnly ) ) {
                     return false;
                 } 
-                QTextStream tsIn( &fileIn );
+                Q3TextStream tsIn( &fileIn );
                 tsIn.setCodec( QTextCodec::codecForName("utf8") );
                 tsIn << tPrefix << eString ;
                 fileIn.close();  
                 command = "(cat /tmp/kopitempin | db2file todo -w -g -c " + codec+ ") > "+ fileName;
                 system (  command.utf8() );
                 QFile file( fileName );
-                if (!file.open( IO_ReadOnly ) ) {
+                if (!file.open( QIODevice::ReadOnly ) ) {
                     return false;
                 } 
-                QTextStream ts( &file );
+                Q3TextStream ts( &file );
                 ts.setCodec( QTextCodec::codecForName("utf8") );
                 answer = ts.read();
                 file.close();  
@@ -642,11 +642,11 @@ bool SharpFormat::save( Calendar *calendar)
     //qDebug("changing... ");
     if ( changeEnt ) {
         QFile file( fileName );
-        if (!file.open( IO_WriteOnly ) ) {
+        if (!file.open( QIODevice::WriteOnly ) ) {
             return false;
             
         } 
-        QTextStream ts( &file );
+        Q3TextStream ts( &file );
         ts.setCodec( QTextCodec::codecForName("utf8") );
         ts << changeString ;
         file.close();
@@ -660,11 +660,11 @@ bool SharpFormat::save( Calendar *calendar)
     //qDebug("deleting... ");
     if ( deleteEnt  ) {
         QFile file( fileName );
-        if (!file.open( IO_WriteOnly ) ) {
+        if (!file.open( QIODevice::WriteOnly ) ) {
             return false;
             
         } 
-        QTextStream ts( &file );
+        Q3TextStream ts( &file );
         ts.setCodec( QTextCodec::codecForName("utf8") );
         ts << deleteString;
         file.close();
@@ -783,7 +783,7 @@ QString SharpFormat::getEventString( Event* event )
             writeEndDate = true; 
             {
                 int count = 1;
-                QPtrList<Recurrence::rMonthPos> rmp;
+                Q3PtrList<Recurrence::rMonthPos> rmp;
                 rmp = rec->monthPositions();
                 if ( rmp.first()->negative )
                     count = 5 - rmp.first()->rPos - 1;
diff --git a/libkcal/todo.cpp b/libkcal/todo.cpp
index cc1c5ae..5a0c32e 100644
--- a/libkcal/todo.cpp
+++ b/libkcal/todo.cpp
@@ -623,7 +623,7 @@ QDateTime Todo::getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_d
 //          *ok = false;
 //          return incidenceStart;
 //      }
-     for (QPtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
+     for (Q3PtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
          if (alarm->enabled()) {
              if ( alarm->hasTime () ) {
                  if ( alarm->time() < alarmStart ) {
diff --git a/libkcal/todo.h b/libkcal/todo.h
index 2131732..cea976c 100644
--- a/libkcal/todo.h
+++ b/libkcal/todo.h
@@ -26,6 +26,8 @@
 #include "incidence.h"
 
 #include <qtimer.h>
+//Added by qt3to4:
+#include <Q3CString>
 
 namespace KCal {
 
@@ -40,7 +42,7 @@ namespace KCal {
     Todo(const Todo &);
     ~Todo();
     typedef ListBase<Todo> List;
-    QCString type() const { return "Todo"; }
+    Q3CString type() const { return "Todo"; }
     IncTypeID typeID() const { return todoID; }
 
     /** Return an exact copy of this todo. */
diff --git a/libkcal/vcaldrag.cpp b/libkcal/vcaldrag.cpp
index f01f332..324981e 100644
--- a/libkcal/vcaldrag.cpp
+++ b/libkcal/vcaldrag.cpp
@@ -26,7 +26,7 @@
 using namespace KCal;
 
 VCalDrag::VCalDrag( Calendar *cal, QWidget *parent, const char *name )
-  : QStoredDrag( "text/x-vCalendar", parent, name )
+  : Q3StoredDrag( "text/x-vCalendar", parent, name )
 {
   VCalFormat format;
   setEncodedData( format.toString( cal ).utf8() );
diff --git a/libkcal/vcaldrag.h b/libkcal/vcaldrag.h
index 3048124..68a320d 100644
--- a/libkcal/vcaldrag.h
+++ b/libkcal/vcaldrag.h
@@ -22,7 +22,7 @@
 #ifndef VCALDRAG_H
 #define VCALDRAG_H
 
-#include <qdragobject.h>
+#include <q3dragobject.h>
 
 
 namespace KCal {
@@ -30,7 +30,7 @@ namespace KCal {
 class Calendar;
 
 /** vCalendar drag&drop class. */
-class VCalDrag : public QStoredDrag {
+class VCalDrag : public Q3StoredDrag {
   public:
     /** Create a drag&drop object for vCalendar component \a vcal. */
     VCalDrag( Calendar *vcal, QWidget *parent = 0, const char *name = 0 );
diff --git a/libkcal/vcalformat.cpp b/libkcal/vcalformat.cpp
index 2e19740..9cbaf16 100644
--- a/libkcal/vcalformat.cpp
+++ b/libkcal/vcalformat.cpp
@@ -22,11 +22,13 @@
 #include <qapplication.h>
 #include <qdatetime.h>
 #include <qstring.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 #include <qregexp.h>
 #include <qclipboard.h>
 #include <qdialog.h>
 #include <qfile.h>
+//Added by qt3to4:
+#include <Q3CString>
 
 #include <kdebug.h>
 #include <kglobal.h>
@@ -108,15 +110,15 @@ bool VCalFormat::save(Calendar *calendar, const QString &fileName)
   addPropValue(vcal,VCVersionProp, _VCAL_VERSION);
 
   // TODO STUFF
-  QPtrList<Todo> todoList = mCalendar->rawTodos();
-  QPtrListIterator<Todo> qlt(todoList);
+  Q3PtrList<Todo> todoList = mCalendar->rawTodos();
+  Q3PtrListIterator<Todo> qlt(todoList);
   for (; qlt.current(); ++qlt) {
     vo = eventToVTodo(qlt.current());
     addVObjectProp(vcal, vo);
   }
 
   // EVENT STUFF
-  QPtrList<Event> events = mCalendar->rawEvents();
+  Q3PtrList<Event> events = mCalendar->rawEvents();
   Event *ev;
   for(ev=events.first();ev;ev=events.next()) {
     vo = eventToVEvent(ev);
@@ -138,7 +140,7 @@ bool VCalFormat::fromString( Calendar *calendar, const QString &text )
 {
   // TODO: Factor out VCalFormat::fromString()
 
-  QCString data = text.utf8();
+  Q3CString data = text.utf8();
 
   if ( !data.size() ) return false;
 
@@ -210,7 +212,7 @@ QString VCalFormat::toString( Calendar *calendar )
   addPropValue( vcal, VCVersionProp, _VCAL_VERSION );
 
   // TODO: Use all data.
-  QPtrList<Event> events = calendar->events();
+  Q3PtrList<Event> events = calendar->events();
   Event *event = events.first();
   if ( !event ) return QString::null;
 
@@ -271,8 +273,8 @@ VObject *VCalFormat::eventToVTodo(const Todo *anEvent)
 
   // attendees
   if (anEvent->attendeeCount() != 0) {
-    QPtrList<Attendee> al = anEvent->attendees();
-    QPtrListIterator<Attendee> ai(al);
+    Q3PtrList<Attendee> al = anEvent->attendees();
+    Q3PtrListIterator<Attendee> ai(al);
     Attendee *curAttendee;
 
     for (; ai.current(); ++ai) {
@@ -326,7 +328,7 @@ VObject *VCalFormat::eventToVTodo(const Todo *anEvent)
   addPropValue(vtodo, VCPriorityProp, tmpStr.local8Bit());
 
   // related event
-  if (anEvent->relatedToUid()) {
+  if (!anEvent->relatedToUid().isEmpty()) {
     addPropValue(vtodo, VCRelatedToProp,
                  anEvent->relatedToUid().local8Bit());
   }
@@ -355,7 +357,7 @@ VObject *VCalFormat::eventToVTodo(const Todo *anEvent)
 
   // alarm stuff
   kdDebug(5800) << "vcalformat::eventToVTodo was called" << endl;
-  QPtrList<Alarm> alarms = anEvent->alarms();
+  Q3PtrList<Alarm> alarms = anEvent->alarms();
   Alarm* alarm;
   for (alarm = alarms.first(); alarm; alarm = alarms.next()) {
     if (alarm->enabled()) {
@@ -433,8 +435,8 @@ VObject* VCalFormat::eventToVEvent(Event *anEvent)
   addPropValue(vevent, ICOrganizerProp, tmpStr.local8Bit());
 
   if (anEvent->attendeeCount() != 0) {
-    QPtrList<Attendee> al = anEvent->attendees();
-    QPtrListIterator<Attendee> ai(al);
+    Q3PtrList<Attendee> al = anEvent->attendees();
+    Q3PtrListIterator<Attendee> ai(al);
     Attendee *curAttendee;
 
     // TODO: Put this functionality into Attendee class
@@ -461,8 +463,8 @@ VObject* VCalFormat::eventToVEvent(Event *anEvent)
   // recurrence rule stuff
   if (anEvent->doesRecur()) {
     // some more variables
-    QPtrList<Recurrence::rMonthPos> tmpPositions;
-    QPtrList<int> tmpDays;
+    Q3PtrList<Recurrence::rMonthPos> tmpPositions;
+    Q3PtrList<int> tmpDays;
     int *tmpDay;
     Recurrence::rMonthPos *tmpPos;
     QString tmpStr2;
@@ -545,7 +547,7 @@ VObject* VCalFormat::eventToVEvent(Event *anEvent)
     } else if (anEvent->recurrence()->duration() == -1) {
       tmpStr += "#0"; // defined as repeat forever
     } else {
-      tmpStr += qDateTimeToISO(anEvent->recurrence()->endDate(), FALSE);
+      tmpStr += qDateTimeToISO((QDateTime)anEvent->recurrence()->endDate(), FALSE);
     }
     addPropValue(vevent,VCRRuleProp, tmpStr.local8Bit());
 
@@ -625,7 +627,7 @@ VObject* VCalFormat::eventToVEvent(Event *anEvent)
 
   // attachments 
   // TODO: handle binary attachments!
-  QPtrList<Attachment> attachments = anEvent->attachments();
+  Q3PtrList<Attachment> attachments = anEvent->attachments();
   for ( Attachment *at = attachments.first(); at; at = attachments.next() )
     addPropValue(vevent, VCAttachProp, at->uri().local8Bit());
 
@@ -636,7 +638,7 @@ VObject* VCalFormat::eventToVEvent(Event *anEvent)
     addPropValue(vevent, VCResourcesProp, tmpStr.local8Bit());
 
   // alarm stuff
-  QPtrList<Alarm> alarms = anEvent->alarms();
+  Q3PtrList<Alarm> alarms = anEvent->alarms();
   Alarm* alarm;
   for (alarm = alarms.first(); alarm; alarm = alarms.next()) {
       if (alarm->enabled()) {
@@ -672,7 +674,7 @@ VObject* VCalFormat::eventToVEvent(Event *anEvent)
   addPropValue(vevent, VCTranspProp, tmpStr.local8Bit());
 
   // related event
-  if (anEvent->relatedToUid()) {
+  if (!anEvent->relatedToUid().isEmpty()) {
     addPropValue(vevent, VCRelatedToProp,
 	         anEvent->relatedToUid().local8Bit());
   }
@@ -1408,7 +1410,7 @@ QString VCalFormat::qDateToISO(const QDate &qd)
 {
   QString tmpStr;
 
-  ASSERT(qd.isValid());
+  Q_ASSERT(qd.isValid());
 
   tmpStr.sprintf("%.2d%.2d%.2d",
 		 qd.year(), qd.month(), qd.day());
@@ -1420,8 +1422,8 @@ QString VCalFormat::qDateTimeToISO(const QDateTime &qdt, bool zulu)
 {
   QString tmpStr;
 
-  ASSERT(qdt.date().isValid());
-  ASSERT(qdt.time().isValid());
+  Q_ASSERT(qdt.date().isValid());
+  Q_ASSERT(qdt.time().isValid());
   if (zulu && !useLocalTime ) {
     QDateTime tmpDT = qdt.addSecs ( -KGlobal::locale()->localTimeOffset( qdt )*60);
     tmpStr.sprintf("%.2d%.2d%.2dT%.2d%.2d%.2dZ",
@@ -1454,8 +1456,8 @@ QDateTime VCalFormat::ISOToQDateTime(const QString & dtStr)
   tmpDate.setYMD(year, month, day);
   tmpTime.setHMS(hour, minute, second);
 
-  ASSERT(tmpDate.isValid());
-  ASSERT(tmpTime.isValid());
+  Q_ASSERT(tmpDate.isValid());
+  Q_ASSERT(tmpTime.isValid());
   QDateTime tmpDT(tmpDate, tmpTime);
   // correct for GMT if string is in Zulu format
   if (dtStr.at(dtStr.length()-1) == 'Z')
@@ -1648,7 +1650,7 @@ Attendee::Role VCalFormat::readRole(const char *s) const
   return role;
 }
 
-QCString VCalFormat::writeRole(Attendee::Role role) const
+Q3CString VCalFormat::writeRole(Attendee::Role role) const
 {
     if ( role == Attendee::Chair )
         return "OWNER";
@@ -1686,7 +1688,7 @@ Attendee::PartStat VCalFormat::readStatus(const char *s) const
   return status;
 }
 
-QCString VCalFormat::writeStatus(Attendee::PartStat status) const
+Q3CString VCalFormat::writeStatus(Attendee::PartStat status) const
 {
   switch(status) {
     default:
diff --git a/libkcal/vcalformat.h b/libkcal/vcalformat.h
index 6dae3d2..cac9634 100644
--- a/libkcal/vcalformat.h
+++ b/libkcal/vcalformat.h
@@ -23,6 +23,9 @@
 #define _VCALFORMAT_H
 
 #include "calformat.h"
+//Added by qt3to4:
+#include <Q3CString>
+#include <Q3PtrList>
 
 #define _VCAL_VERSION "1.0"
 
@@ -95,17 +98,17 @@ class VCalFormat : public CalFormat {
     const char *dayFromNum(int day);
     /** the reverse of the above function. */
     int numFromDay(const QString &day);
-    Attendee::Role VCalFormat::readRole(const char *s) const;
-    QCString writeRole(Attendee::Role role) const;
+    Attendee::Role readRole(const char *s) const;
+    Q3CString writeRole(Attendee::Role role) const;
     Attendee::PartStat readStatus(const char *s) const;
-    QCString writeStatus(Attendee::PartStat status) const;
+    Q3CString writeStatus(Attendee::PartStat status) const;
   
   private:
     Calendar *mCalendar;
     bool useLocalTime;
   
-    QPtrList<Event> mEventsRelate;           // events with relations
-    QPtrList<Todo> mTodosRelate;             // todos with relations
+    Q3PtrList<Event> mEventsRelate;           // events with relations
+    Q3PtrList<Todo> mTodosRelate;             // todos with relations
 };
 
 }