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
@@ -23,12 +23,14 @@
 #include <klocale.h>
 
 #include "incidence.h"
 #include "todo.h"
 
 #include "alarm.h"
+//Added by qt3to4:
+#include <Q3ValueList>
 
 using namespace KCal;
 #include <qwidget.h>
 Alarm::Alarm(Incidence *parent)
  : mParent(parent),
    mType(Audio),
@@ -209,13 +211,13 @@ void Alarm::setProgramArguments(const QString &arguments)
 QString Alarm::programArguments() const
 {
   return (mType == Procedure) ? mDescription : QString::null;
 }
 
 void Alarm::setEmailAlarm(const QString &subject, const QString &text,
-                          const QValueList<Person> &addressees, const QStringList &attachments)
+                          const Q3ValueList<Person> &addressees, const QStringList &attachments)
 {
   mType = Email;
   mMailSubject = subject;
   mDescription = text;
   mMailAddresses = addressees;
   mMailAttachFiles = attachments;
@@ -228,13 +230,13 @@ void Alarm::setMailAddress(const Person &mailAddress)
     mMailAddresses.clear();
     mMailAddresses += mailAddress;
     mParent->updated();
   }
 }
 
-void Alarm::setMailAddresses(const QValueList<Person> &mailAddresses)
+void Alarm::setMailAddresses(const Q3ValueList<Person> &mailAddresses)
 {
   if (mType == Email) {
     mMailAddresses = mailAddresses;
     mParent->updated();
   }
 }
@@ -244,15 +246,15 @@ void Alarm::addMailAddress(const Person &mailAddress)
   if (mType == Email) {
     mMailAddresses += mailAddress;
     mParent->updated();
   }
 }
 
-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)
 {
   if (mType == Email) {
     mMailSubject = mailAlarmSubject;
diff --git a/libkcal/alarm.h b/libkcal/alarm.h
index ac6ea0d..b24f0f7 100644
--- a/libkcal/alarm.h
+++ b/libkcal/alarm.h
@@ -19,13 +19,13 @@
 */
 
 #ifndef KCAL_ALARM_H
 #define KCAL_ALARM_H
 
 #include <qstring.h>
-#include <qvaluelist.h>
+#include <q3valuelist.h>
 
 #include "customproperties.h"
 #include "duration.h"
 #include "person.h"
 
 namespace KCal {
@@ -36,13 +36,13 @@ class Incidence;
   This class represents an alarm notification.
 */
 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);
     /** Destruct Alarm object. */
     ~Alarm();
 
@@ -109,29 +109,29 @@ class Alarm : public CustomProperties
     /** Set the alarm to be an email alarm.
         @param subject subject line of email.
         @param text body of email.
         @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.
         Ignored if the alarm is not an email alarm.
      */
     void setMailAddress(const Person &mailAlarmAddress);
     /** 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.
      */
     void setMailSubject(const QString &mailAlarmSubject);
     /** return the subject line of the mail  */
@@ -223,13 +223,13 @@ class Alarm : public CustomProperties
   private:
     Incidence *mParent;          // the incidence which this alarm belongs to
     Type mType;                  // type of alarm
     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
                                  // snooze before ringing again
     int mAlarmRepeatCount;       // number of times for alarm to repeat
                                  // after the initial time
diff --git a/libkcal/calendar.cpp b/libkcal/calendar.cpp
index 9b38d3f..bf095cf 100644
--- a/libkcal/calendar.cpp
+++ b/libkcal/calendar.cpp
@@ -27,12 +27,14 @@
 
 #include "exceptions.h"
 #include "calfilter.h"
 
 #include "calendar.h"
 #include "syncdefines.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 using namespace KCal;
 
 Calendar::Calendar()
 {
   
@@ -268,111 +270,111 @@ void Calendar::setFilter(CalFilter *filter)
 
 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;
 }
 
 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;
 }
 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 );
     } 
 }
 
 bool Calendar::addIncidence(Incidence *i)
@@ -404,15 +406,15 @@ Incidence* Calendar::incidence( const QString& uid )
   if( (i = journal( uid )) != 0 )
       return i;
 
   return 0;
 }
 
-QPtrList<Todo> Calendar::todos()
+Q3PtrList<Todo> Calendar::todos()
 {
-  QPtrList<Todo> tl = rawTodos();
+  Q3PtrList<Todo> tl = rawTodos();
   mFilter->apply( &tl );
   return tl;
 }
 
 // When this is called, the todo have already been added to the calendar.
 // This method is only about linking related todos
@@ -452,13 +454,13 @@ void Calendar::setupRelations( Incidence *incidence )
 // If a task with subtasks is deleted, move it's subtasks to the orphans list
 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 );
             mOrphanUids.insert( i->uid(), i );
             i->setRelatedTo( 0 );
             i->setRelatedToUid( uid );
@@ -468,13 +470,13 @@ void Calendar::removeRelations( Incidence *incidence )
     if( incidence->relatedTo() )
         incidence->relatedTo()->removeRelation( 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 );
         }
         Incidence* inc = tempList.first();
         while ( inc ) {
@@ -484,13 +486,13 @@ void Calendar::removeRelations( Incidence *incidence )
     }
     // LR: and another big bad bug found
 #if 0
         // 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
@@ -22,14 +22,14 @@
 #ifndef CALENDAR_H
 #define CALENDAR_H
 
 #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"
 #include "todo.h"
 #include "journal.h"
 #include "calfilter.h"
@@ -85,13 +85,13 @@ public:
     virtual void clearUndo( Incidence * newUndo );
   
     /**
       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; }
 
     /**
       Return the owner of the calendar's full name.
     */
@@ -152,18 +152,18 @@ public:
 
     // Adds an incidence and all relatedto incidences to the cal 
     void addIncidenceBranch( Incidence * );  
     /**
       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.
       @param anEvent a pointer to the event to add
       
       @return true on success, false on error.
@@ -182,33 +182,33 @@ public:
     virtual Event *event( QString, QString ) = 0;
     /**
       Builds and then returns a list of all events that match for the
       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.
       
       @return true on success, false on error.
     */
@@ -219,47 +219,47 @@ public:
     */
     virtual void deleteTodo( Todo * ) = 0;
     virtual void deleteJournal( Journal * ) = 0;
     /**
       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.
     */
     virtual Todo *todo( const QString &uid ) = 0;
     virtual Todo *todo( QString, QString ) = 0;
     /**
       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.
       
       @return true on success, false on error.
     */
     virtual bool addJournal( Journal * ) = 0;
     /**
       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.
     */
     virtual Journal *journal( const QString &UID ) = 0;
     /**
       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
       string identifier, returns a pointer or null.
     */
     Incidence* incidence( const QString&UID );
@@ -332,23 +332,23 @@ public:
     void removeAlarm(const QDateTime &qdt, const QString &noti  );
 
   protected:
     /**
       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;
     Incidence *mUndoIncidence;
     int mDefaultCalendar;
     bool mDeleteIncidencesOnClose;
@@ -373,13 +373,13 @@ private:
     
     bool mModified;
 
     QString mLoadedProductId;
 
     // This list is used to put together related todos
-    QDict<Incidence> mOrphans;
-    QDict<Incidence> mOrphanUids;
+    Q3Dict<Incidence> mOrphans;
+    Q3Dict<Incidence> mOrphanUids;
 };
   
 }
 
 #endif
diff --git a/libkcal/calendarlocal.cpp b/libkcal/calendarlocal.cpp
index ce3cd09..cb52b7c 100644
--- a/libkcal/calendarlocal.cpp
+++ b/libkcal/calendarlocal.cpp
@@ -19,13 +19,13 @@
     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 
 #include <qdatetime.h>
 #include <qstring.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 
 #include <kdebug.h>
 #include <kconfig.h>
 #include <kglobal.h>
 #include <klocale.h>
 
@@ -189,21 +189,21 @@ bool CalendarLocal::mergeCalendar( Calendar* remote  )
 {
     // 1 look for raw inc in local
     //   if inc not in remote, delete in local
     // 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 () )
             if ( !remote->incidenceForUid( inL->uid(), true ))
                 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 );
         if ( inL ) {
             if ( ! inL->isReadOnly () || inL->uid().left(15) == QString("last-syncEvent-") ) {
                 int calID = inL->calID();
@@ -256,15 +256,15 @@ void CalendarLocal::setSyncEventsReadOnly()
 }
 
 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-") ) {   
                 ev->setCalID_block( 1 );
             }
             Event * se = event( ev->uid() );
@@ -276,13 +276,13 @@ void CalendarLocal::addCalendar( Calendar* cal )
             ev = EventList.next();
         }
          
     }
     {
 
-        QPtrList<Todo> TodoList = cal->rawTodos();
+        Q3PtrList<Todo> TodoList = cal->rawTodos();
         Todo * ev = TodoList.first();
         while ( ev ) {
             ev->resetRelatedTo();
             Todo * se = todo( ev->uid() );
             if ( se )
                 deleteTodo( se ); 
@@ -296,13 +296,13 @@ void CalendarLocal::addCalendar( Calendar* cal )
             mTodoList.append( ev );
             setupRelations( ev );
             ev = TodoList.next();
         }
     }
     {
-        QPtrList<Journal> JournalList = cal->journals();
+        Q3PtrList<Journal> JournalList = cal->journals();
         Journal * ev = JournalList.first();
         while ( ev ) {
             Journal * se = journal( ev->uid() );
             if ( se )
                 incList.append( se );    
             ev->unRegisterObserver( cal );
@@ -478,15 +478,15 @@ void CalendarLocal::deleteTodo( Todo *todo )
   }
    Todo* dup = todoForUid(  uid );
    if ( dup )
        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;
 }
 Todo *CalendarLocal::todo( QString syncProf, QString id )
 {
@@ -496,19 +496,19 @@ Todo *CalendarLocal::todo( QString syncProf, QString id )
   }
 
   return 0;
 }
 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-") )
                     el.append( todo );
         }
         for ( todo = el.first(); todo; todo = el.next() ) {
@@ -517,15 +517,15 @@ void CalendarLocal::removeSyncInfo( QString syncProfile)
     } else {
         Event *lse = event( "last-syncEvent-"+ syncProfile);
         if ( lse )
             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-") )
             if ( todo->summary().left(3) == "E: " )
                 el.append( todo );
     }
@@ -682,15 +682,15 @@ void CalendarLocal::deRegisterAlarm()
     mNextAlarmEventDateTime = QDateTime();
 // #ifndef DESKTOP_VERSION
 //     AlarmServer::deleteAlarm (mNextAlarmDateTime ,"koalarm" ,mLastAlarmNotificationString.latin1() );
 // #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() ) {
       if ( !todo->calEnabled() ) continue; 
     if ( todo->hasDueDate() && todo->dtDue().date() == date ) {
       todos.append( todo );
@@ -783,13 +783,13 @@ Alarm::List CalendarLocal::alarms( const QDateTime &from, const QDateTime &to )
   return alarms;
 }
 
 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()
 //                  << "': " << alarm->time().toString() << " - " << alarm->enabled() << endl;
     if ( alarm->enabled() ) {
       if ( alarm->time() >= from && alarm->time() <= to ) {
@@ -802,13 +802,13 @@ void CalendarLocal::appendAlarms( Alarm::List &alarms, Incidence *incidence,
 void CalendarLocal::appendRecurringAlarms( Alarm::List &alarms,
                                            Incidence *incidence,
                                            const QDateTime &from,
                                            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() ) {
     if (incidence->recursOn(from.date())) {
       qdt.setTime(alarm->time().time());
       qdt.setDate(from.date());
@@ -841,15 +841,15 @@ void CalendarLocal::update( IncidenceBase *incidence )
 void CalendarLocal::insertEvent( Event *event )
 {
   if ( mEventList.findRef( event ) < 0 ) mEventList.append( 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() ) {
       if ( !event->calEnabled() ) continue;
     if ( event->doesRecur() ) {
       if ( event->isMultiDay() ) {
@@ -875,13 +875,13 @@ QPtrList<Event> CalendarLocal::rawEventsForDate( const QDate &qd, bool sorted )
   if ( !sorted ) {
     return eventList;
   }
 
   //  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();
     int i = 0;
     while ( sortEvent && event->dtStart().time()>=sortEvent->dtStart().time() )
     {
@@ -891,18 +891,18 @@ QPtrList<Event> CalendarLocal::rawEventsForDate( const QDate &qd, bool sorted )
     eventListSorted.insert( i, event );
   }
   return eventListSorted;
 }
 
 
-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() ) {
       if ( !event->calEnabled() ) continue;
     if ( event->doesRecur() ) {
       QDate rStart = event->dtStart().date();
@@ -920,13 +920,13 @@ QPtrList<Event> CalendarLocal::rawEvents( const QDate &start, const QDate &end,
             // TODO: Calculate end date from duration. Should be done in Event
             // For now exclude all events with a duration.
           }
         }
       } 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;
               }
           }
           
@@ -969,20 +969,20 @@ 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;
 }
 
 bool CalendarLocal::addJournal(Journal *journal)
@@ -1003,15 +1003,15 @@ void CalendarLocal::deleteJournal( Journal *journal )
     clearUndo(journal);
   if ( mJournalList.removeRef(journal) ) {
     setModified( true );
   }
 }
 
-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;
 }
 Journal *CalendarLocal::journal( const QDate &date )
 {
@@ -1037,43 +1037,43 @@ Journal *CalendarLocal::journal( const QString &uid )
                 retVal = it;
             }
         }
     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;
 }
 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-") )
                 deleteEvent( ev );
             ev = EventList.next();
         }
     }
     {
 
-        QPtrList<Todo> TodoList = mTodoList;
+        Q3PtrList<Todo> TodoList = mTodoList;
         Todo * ev = TodoList.first();
         while ( ev ) {
             if ( ev->calID() == id )
                 deleteTodo( ev );
             ev = TodoList.next();
         }
     }
     {
-        QPtrList<Journal> JournalList = mJournalList;
+        Q3PtrList<Journal> JournalList = mJournalList;
         Journal * ev = JournalList.first();
         while ( ev ) {
             if ( ev->calID() == id )
                 deleteJournal( ev );
             ev = JournalList.next();
         }
diff --git a/libkcal/calendarlocal.h b/libkcal/calendarlocal.h
index 1ceabce..1df65c7 100644
--- a/libkcal/calendarlocal.h
+++ b/libkcal/calendarlocal.h
@@ -20,12 +20,14 @@
     Boston, MA 02111-1307, USA.
 */
 #ifndef KCAL_CALENDARLOCAL_H
 #define KCAL_CALENDARLOCAL_H
 
 #include "calendar.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 namespace KCal {
 
 class CalFormat;
 
 /**
@@ -90,14 +92,14 @@ class CalendarLocal : public Calendar
       Retrieves an event on the basis of the unique string ID.
     */
     Event *event( const QString &uid );
     /**
       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.
     */
     bool addTodo( Todo *todo );
     bool addTodoNoDup( Todo *todo );
     /**
@@ -109,23 +111,23 @@ class CalendarLocal : public Calendar
       returns a pointer or null.
     */
     Todo *todo( const QString &uid );
     /**
       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.
     */
     bool addJournal( Journal * );
     /**
@@ -133,21 +135,21 @@ class CalendarLocal : public Calendar
     */
     void deleteJournal( Journal * );
     /**
       Return Journal for given date.
     */
     Journal *journal( const QDate & );
-    QPtrList<Journal> journals4Date( const QDate & );
+    Q3PtrList<Journal> journals4Date( const QDate & );
     /**
       Return Journal with given UID.
     */
     Journal *journal( const QString &uid );
     /**
       Return list of all Journals stored in calendar.
     */
-    QPtrList<Journal> journals();
+    Q3PtrList<Journal> journals();
 
     /**
       Return all alarms, which ocur in the given time interval.
     */
     Alarm::List alarms( const QDateTime &from, const QDateTime &to );
 
@@ -171,22 +173,22 @@ class CalendarLocal : public Calendar
     void update( IncidenceBase *incidence );
  
     /**
       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 );
     void getIncidenceCount( int calId, int& events, int & todos, int & journals);
  
 public slots:
@@ -221,14 +223,14 @@ public slots:
     void appendRecurringAlarms( Alarm::List &alarms, Incidence *incidence,
                        const QDateTime &from, const QDateTime &to );
 
   private:
     void init();
 
-    QPtrList<Event> mEventList;
-    QPtrList<Todo> mTodoList;
-    QPtrList<Journal> mJournalList;
+    Q3PtrList<Event> mEventList;
+    Q3PtrList<Todo> mTodoList;
+    Q3PtrList<Journal> mJournalList;
 };
 
 }
 
 #endif
diff --git a/libkcal/calfilter.cpp b/libkcal/calfilter.cpp
index 72f70c2..fa1dbd5 100644
--- a/libkcal/calfilter.cpp
+++ b/libkcal/calfilter.cpp
@@ -18,12 +18,14 @@
     Boston, MA 02111-1307, USA.
 */
 
 #include <kdebug.h>
 
 #include "calfilter.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 using namespace KCal;
 
 CalFilter::CalFilter()
 {
   mEnabled = true;
@@ -38,13 +40,13 @@ CalFilter::CalFilter(const QString &name)
 }
 
 CalFilter::~CalFilter()
 {
 }
 
-void CalFilter::apply(QPtrList<Event> *eventlist)
+void CalFilter::apply(Q3PtrList<Event> *eventlist)
 {
   if (!mEnabled) return;
 
 //  kdDebug(5800) << "CalFilter::apply()" << endl;
 
   Event *event = eventlist->first();
@@ -58,13 +60,13 @@ void CalFilter::apply(QPtrList<Event> *eventlist)
   }
 
 //  kdDebug(5800) << "CalFilter::apply() done" << endl;
 }
 
 // TODO: avoid duplicating apply() code
-void CalFilter::apply(QPtrList<Todo> *eventlist)
+void CalFilter::apply(Q3PtrList<Todo> *eventlist)
 {
   if (!mEnabled) return;
   Todo *event = eventlist->first();
   while(event) {
     if (!filterTodo(event)) {
       eventlist->remove();
diff --git a/libkcal/calfilter.h b/libkcal/calfilter.h
index e349770..821149f 100644
--- a/libkcal/calfilter.h
+++ b/libkcal/calfilter.h
@@ -19,13 +19,13 @@
 */
 
 #ifndef _CALFILTER_H
 #define _CALFILTER_H
 
 #include <qstring.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 
 #include "event.h"
 #include "todo.h"
 #include "journal.h"
 
 namespace KCal {
@@ -52,21 +52,21 @@ class CalFilter {
     QString name() const { return mName; }
     
     /**
       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.
     */
     bool filterEvent(Event *);
     
diff --git a/libkcal/customproperties.cpp b/libkcal/customproperties.cpp
index adc1710..16f4a28 100644
--- a/libkcal/customproperties.cpp
+++ b/libkcal/customproperties.cpp
@@ -16,12 +16,14 @@
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 
 #include "customproperties.h"
+//Added by qt3to4:
+#include <Q3CString>
 
 using namespace KCal;
 
 CustomProperties::CustomProperties()
 {
 }
@@ -32,71 +34,71 @@ CustomProperties::CustomProperties(const CustomProperties &cp)
 }
 
 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();
     }
   }
 }
 
-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
   const char* n = name;
   int len = name.length();
   if (len < 2 ||  n[0] != 'X' || n[1] != '-')
diff --git a/libkcal/customproperties.h b/libkcal/customproperties.h
index 0cbfdcd..75eb3ad 100644
--- a/libkcal/customproperties.h
+++ b/libkcal/customproperties.h
@@ -20,12 +20,14 @@
 
 #ifndef KCAL_CUSTOM_PROPERTIES_H
 #define KCAL_CUSTOM_PROPERTIES_H
 
 #include <qstring.h>
 #include <qmap.h>
+//Added by qt3to4:
+#include <Q3CString>
 
 namespace KCal {
 
 /**
   This class represents custom calendar properties.
   It is used as a base class for classes which represent calendar components.
@@ -46,52 +48,52 @@ class CustomProperties
     /** Create or modify a custom calendar property.
       @param app Application name as it appears in the custom property name.
       @param key Property identifier specific to the application.
       @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
 };
 
 }
 
 #endif
diff --git a/libkcal/dndfactory.cpp b/libkcal/dndfactory.cpp
index cdcfae4..ca7e212 100644
--- a/libkcal/dndfactory.cpp
+++ b/libkcal/dndfactory.cpp
@@ -19,12 +19,15 @@
     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 
 #include <qapplication.h>
 #include <qclipboard.h>
+//Added by qt3to4:
+#include <QDropEvent>
+#include <Q3PtrList>
 
 #include <kiconloader.h>
 #include <kdebug.h>
 #include <kmessagebox.h>
 #include <klocale.h>
 
@@ -65,13 +68,13 @@ Event *DndFactory::createDrop(QDropEvent *de)
 
   CalendarLocal cal( mCalendar->timeZoneId() );
 
   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;
     }
   }
 
@@ -84,13 +87,13 @@ Todo *DndFactory::createDropTodo(QDropEvent *de)
 
   CalendarLocal cal( mCalendar->timeZoneId() );
 
   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;
     }
   }
 
@@ -130,13 +133,13 @@ Incidence *DndFactory::pasteIncidence(const QDate &newDate, const QTime *newTime
   if ( !ICalDrag::decode( cb->data(), &cal ) &&
        !VCalDrag::decode( cb->data(), &cal ) ) {
     kdDebug(5800) << "Can't parse clipboard" << endl;
     return 0;
   }
 
-  QPtrList<Incidence> incList = cal.incidences();
+  Q3PtrList<Incidence> incList = cal.incidences();
   Incidence *inc = incList.first();
 
   if ( !incList.isEmpty() && inc ) {
     inc = inc->clone();
 
     inc->recreate();
diff --git a/libkcal/dndfactory.h b/libkcal/dndfactory.h
index 2df5259..a873c37 100644
--- a/libkcal/dndfactory.h
+++ b/libkcal/dndfactory.h
@@ -1,6 +1,8 @@
+//Added by qt3to4:
+#include <QDropEvent>
 /*
     This file is part of libkcal.
 
     Copyright (c) 1998 Preston Brown
     Copyright (c) 2001,2002,2003 Cornelius Schumacher <schumacher@kde.org>
     Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
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
@@ -22,12 +22,14 @@
 // $Id$
 
 #ifndef KCAL_DNDFACTORY_H
 #define KCAL_DNDFACTORY_H
 
 #include "vcalformat.h"
+//Added by qt3to4:
+#include <QDropEvent>
 
 class QDropEvent;
 
 namespace KCal {
 
 /**
diff --git a/libkcal/dummyscheduler.cpp b/libkcal/dummyscheduler.cpp
index ae40e6d..73eb3d0 100644
--- a/libkcal/dummyscheduler.cpp
+++ b/libkcal/dummyscheduler.cpp
@@ -20,13 +20,15 @@
 
 //
 // DummyScheduler - iMIP implementation of iTIP methods
 //
 
 #include <qfile.h>
-#include <qtextstream.h>
+#include <q3textstream.h>
+//Added by qt3to4:
+#include <Q3PtrList>
 
 #include <kdebug.h>
 
 #include "event.h"
 #include "icalformat.h"
 
@@ -65,32 +67,32 @@ bool DummyScheduler::performTransaction(IncidenceBase *incidence,Method method)
   return saveMessage(messageText);
 }
 
 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;
   } else {
     return false;
   }
 }
 
-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()) {
 //      kdDebug(5800) << "++++++++" << messageLine << endl;
       messageString += messageLine + "\n";
       if (messageLine.find("END:VCALENDAR") >= 0) {
diff --git a/libkcal/dummyscheduler.h b/libkcal/dummyscheduler.h
index df42153..f86d583 100644
--- a/libkcal/dummyscheduler.h
+++ b/libkcal/dummyscheduler.h
@@ -21,12 +21,14 @@
 #define DUMMYSCHEDULER_H
 //
 // Dummy implementation of iTIP methods
 //
 
 #include "scheduler.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 namespace KCal {
 
 /**
   This class implements the iTIP interface as a primitive local version for
   testing. It uses a file dummyscheduler.store as inbox/outbox.
@@ -36,13 +38,13 @@ class DummyScheduler : public Scheduler {
     DummyScheduler(Calendar *);
     virtual ~DummyScheduler();
     
     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
@@ -381,13 +381,13 @@ QDateTime Event::getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_
      int off = 0;
      QDateTime alarmStart = QDateTime::currentDateTime().addDays( 3650 );;
     //  if ( QDateTime::currentDateTime() > incidenceStart ){
 //          *ok = false;
 //          return incidenceStart;
 //      }
-     for (QPtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
+     for (Q3PtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
          if (alarm->enabled()) {
              if ( alarm->hasTime () ) {
                  if ( alarm->time() < alarmStart ) {
                      alarmStart = alarm->time();
                      enabled = true;
                      off = alarmStart.secsTo( incidenceStart );
diff --git a/libkcal/event.h b/libkcal/event.h
index 6a58618..da44f81 100644
--- a/libkcal/event.h
+++ b/libkcal/event.h
@@ -22,12 +22,14 @@
 #define EVENT_H
 //
 // Event component, representing a VEVENT object
 //
 
 #include "incidence.h"
+//Added by qt3to4:
+#include <Q3CString>
 namespace KCal {
 
 /**
   This class provides an Event in the sense of RFC2445.
 */
 class Event : public Incidence
@@ -37,13 +39,13 @@ class Event : public Incidence
     typedef ListBase<Event> List;
     Event();
     Event(const Event &);
     ~Event();
     bool matchTime(QDateTime*startDT, QDateTime* endDT);
 
-    QCString type() const { return "Event"; }
+    Q3CString type() const { return "Event"; }
     IncTypeID typeID() const { return eventID; }
 
     Incidence *clone();
     QDateTime getNextAlarmDateTime( bool * ok, int * offset ,QDateTime start_dt  ) const;
 
     /** for setting an event's ending date/time with a QDateTime. */
diff --git a/libkcal/filestorage.cpp b/libkcal/filestorage.cpp
index a139124..3d1309f 100644
--- a/libkcal/filestorage.cpp
+++ b/libkcal/filestorage.cpp
@@ -19,13 +19,13 @@
 */
 
 #include <stdlib.h>
 
 #include <qdatetime.h>
 #include <qstring.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 
 #include <kdebug.h>
 
 #include "calendar.h"
 #include "vcaldrag.h"
 #include "vcalformat.h"
diff --git a/libkcal/freebusy.cpp b/libkcal/freebusy.cpp
index ba15d6d..e4e9ec9 100644
--- a/libkcal/freebusy.cpp
+++ b/libkcal/freebusy.cpp
@@ -18,12 +18,15 @@
     Boston, MA 02111-1307, USA.
 */
 
 #include <kdebug.h>
 
 #include "freebusy.h"
+//Added by qt3to4:
+#include <Q3ValueList>
+#include <Q3PtrList>
 
 using namespace KCal;
 
 FreeBusy::FreeBusy()
 {
 }
@@ -40,13 +43,13 @@ FreeBusy::FreeBusy( Calendar *calendar, const QDateTime &start, const QDateTime
   mCalendar = calendar;
 
   setDtStart(start);
   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;
   duration = start.daysTo(end);
   QDate day;
   QDateTime tmpStart;
@@ -110,13 +113,13 @@ bool FreeBusy::setDtEnd( const QDateTime &end )
 
 QDateTime FreeBusy::dtEnd() const
 {
   return mDtEnd;
 }
 
-QValueList<Period> FreeBusy::busyPeriods() const
+Q3ValueList<Period> FreeBusy::busyPeriods() const
 {
   return mBusyPeriods;
 }
 
 bool FreeBusy::addLocalPeriod(const QDateTime &eventStart, const QDateTime &eventEnd ) {
   QDateTime tmpStart;
@@ -143,20 +146,20 @@ bool FreeBusy::addLocalPeriod(const QDateTime &eventStart, const QDateTime &even
   Period p(tmpStart, tmpEnd);  
   mBusyPeriods.append( p );
 
   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;
   QDateTime earlyTime;
 
   while( mBusyPeriods.count() > 0 ) {
diff --git a/libkcal/freebusy.h b/libkcal/freebusy.h
index d741c72..bd14cb7 100644
--- a/libkcal/freebusy.h
+++ b/libkcal/freebusy.h
@@ -21,14 +21,16 @@
 #define KCAL_FREEBUSY_H
 //
 // FreeBusy - information about free/busy times
 //
 
 #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"
 
 #include "incidencebase.h"
 
@@ -40,34 +42,34 @@ namespace KCal {
 class FreeBusy : public IncidenceBase
 {
   public:
     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();
     
   private:
 
     //This is used for creating a freebusy object for the current user
     bool addLocalPeriod(const QDateTime &start, const QDateTime &end);
 
     QDateTime mDtEnd;
-    QValueList<Period> mBusyPeriods;
+    Q3ValueList<Period> mBusyPeriods;
     Calendar *mCalendar;
 };
 
 }
 
 #endif
diff --git a/libkcal/icaldrag.cpp b/libkcal/icaldrag.cpp
index 446a115..7f5a796 100644
--- a/libkcal/icaldrag.cpp
+++ b/libkcal/icaldrag.cpp
@@ -25,13 +25,13 @@
 
 #include <kdebug.h>
 
 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 );
   
   setEncodedData( scal.utf8() );
 }
diff --git a/libkcal/icaldrag.h b/libkcal/icaldrag.h
index fdf32b7..c1f73f4 100644
--- a/libkcal/icaldrag.h
+++ b/libkcal/icaldrag.h
@@ -19,19 +19,19 @@
     Boston, MA 02111-1307, USA.
 */
 
 #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. */
     ICalDrag( Calendar *cal, QWidget *parent = 0, const char *name = 0 );
     ~ICalDrag() {};
 
diff --git a/libkcal/icalformat.cpp b/libkcal/icalformat.cpp
index 6f3a799..3829bc1 100644
--- a/libkcal/icalformat.cpp
+++ b/libkcal/icalformat.cpp
@@ -17,17 +17,17 @@
     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 
 #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>
 
 #include <kdebug.h>
 #include <kglobal.h>
 #include <klocale.h>
@@ -67,20 +67,20 @@ ICalFormat::~ICalFormat()
 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();
 
   return fromString( calendar, text );
 }
 
@@ -95,20 +95,20 @@ bool ICalFormat::save( Calendar *calendar, const QString &fileName )
   // qDebug("to string takes ms: %d ",is.elapsed() );
   if ( text.isNull() ) return false;
 
   // 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() );
   return true;
 }
 
@@ -153,64 +153,64 @@ bool ICalFormat::fromString( Calendar *cal, const QString &text )
 Incidence *ICalFormat::fromString( const QString &text )
 {
   CalendarLocal cal( mTimeZoneId );
   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();
       }
     }
   }
   return ical;
 }
-#include <qapp.h>
+#include <qapplication.h>
 
 QString ICalFormat::toString( Calendar *cal )
 {
  
   setTimeZone( cal->timeZoneId(), !cal->isLocalTime() );
  
   icalcomponent *calendar = mImpl->createCalendarComponent(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);
     //qDebug(" todos ");
     if ( mProcessEvents ) {
         //qDebug("mProcessEvents ");
         qApp->processEvents();
     }
   }
   // 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);
     icalcomponent_add_component(calendar,component);
     //qDebug("events ");
     if ( mProcessEvents )
         qApp->processEvents();
   }
  
   // 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);
     icalcomponent_add_component(calendar,component);
     //qDebug("journals ");
     if ( mProcessEvents )
diff --git a/libkcal/icalformat.h b/libkcal/icalformat.h
index a770dbb..a454b35 100644
--- a/libkcal/icalformat.h
+++ b/libkcal/icalformat.h
@@ -18,12 +18,14 @@
     Boston, MA 02111-1307, USA.
 */
 #ifndef ICALFORMAT_H
 #define ICALFORMAT_H
 
 #include <qstring.h>
+//Added by qt3to4:
+#include <Q3CString>
 
 #include "scheduler.h"
 
 #include "calformat.h"
 
 namespace KCal {
@@ -103,13 +105,13 @@ class ICalFormat : public CalFormat {
     bool utc() const;
 
   private:
     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
@@ -17,14 +17,17 @@
     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 
 #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>
 #include <kglobal.h>
 
 extern "C" {
@@ -218,14 +221,14 @@ icalcomponent *ICalFormatImpl::writeFreeBusy(FreeBusy *freebusy,
   if (method == Scheduler::Request) {
     icalcomponent_add_property(vfreebusy,icalproperty_new_uid(
        freebusy->uid().utf8()));
   }
 
   //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());
     period.end = writeICalDateTime((*it).end());
     icalcomponent_add_property(vfreebusy, icalproperty_new_freebusy(period) );
   }
@@ -381,18 +384,18 @@ void ICalFormatImpl::writeIncidence(icalcomponent *parent,Incidence *incidence)
           icalcomponent_add_property(parent,icalproperty_new_exdate(
                                                                     writeICalDate(*exIt)));
       }
   }
   
   // 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()) {
       kdDebug(5800) << "Write alarm for " << incidence->summary() << endl;
       icalcomponent_add_component(parent,writeAlarm(alarm));
     }
@@ -420,27 +423,27 @@ void ICalFormatImpl::writeIncidenceBase(icalcomponent *parent,IncidenceBase *inc
   // organizer stuff
   icalcomponent_add_property(parent,icalproperty_new_organizer(
       ("MAILTO:" + incidenceBase->organizer()).utf8()));
 
   // 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()));
     }
   }
 
   // custom properties
   writeCustomProperties(parent, incidenceBase);
 }
 
 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);
   }
 }
 
@@ -543,14 +546,14 @@ icalproperty *ICalFormatImpl::writeRecurrenceRule(Recurrence *recur)
 
   icalrecurrencetype_clear(&r);
 
   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;
   int day;
   int i;
 
@@ -701,14 +704,14 @@ icalcomponent *ICalFormatImpl::writeAlarm(Alarm *alarm)
           icalcomponent_add_property(a,icalproperty_new_attach(attach));
           icalattach_unref( attach );
       }
       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()));
         }
         icalcomponent_add_property(a,p);
       }
@@ -760,14 +763,14 @@ icalcomponent *ICalFormatImpl::writeAlarm(Alarm *alarm)
     icalcomponent_add_property(a,icalproperty_new_repeat(alarm->repeatCount()));
     icalcomponent_add_property(a,icalproperty_new_duration(
                              icaldurationtype_from_int(alarm->snoozeTime()*60)));
   }
 
   // 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);
   }
 
   return a;
@@ -1336,13 +1339,13 @@ void ICalFormatImpl::readIncidenceBase(icalcomponent *parent,IncidenceBase *inci
   // custom properties
   readCustomProperties(parent, incidenceBase);
 }
 
 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);
 
   while (p) {
     QString value = QString::fromUtf8(icalproperty_get_x(p));
     customProperties[icalproperty_get_x_name(p)] = value;
diff --git a/libkcal/icalformatimpl.h b/libkcal/icalformatimpl.h
index 203c302..3a35b4c 100644
--- a/libkcal/icalformatimpl.h
+++ b/libkcal/icalformatimpl.h
@@ -18,12 +18,14 @@
     Boston, MA 02111-1307, USA.
 */
 #ifndef ICALFORMATIMPL_H
 #define ICALFORMATIMPL_H
 
 #include <qstring.h>
+//Added by qt3to4:
+#include <Q3PtrList>
 
 #include "scheduler.h"
 #include "freebusy.h"
 
 extern "C" {
   #include <ical.h>
@@ -90,14 +92,14 @@ class ICalFormatImpl {
     ICalFormat *mParent;
     Calendar *mCalendar;
 
     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;
     static const int mSecondsPerHour;
     static const int mSecondsPerMinute;
 
diff --git a/libkcal/imipscheduler.cpp b/libkcal/imipscheduler.cpp
index e186f8e..e6d56a6 100644
--- a/libkcal/imipscheduler.cpp
+++ b/libkcal/imipscheduler.cpp
@@ -23,12 +23,14 @@
 //
 
 #include "event.h"
 #include "icalformat.h"
 
 #include "imipscheduler.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 using namespace KCal;
 
 IMIPScheduler::IMIPScheduler(Calendar *calendar)
   : Scheduler(calendar)
 {
@@ -47,12 +49,12 @@ bool IMIPScheduler::performTransaction(IncidenceBase *incidence,Method method)
 {
   mFormat->createScheduleMessage(incidence,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
@@ -20,13 +20,13 @@
 #ifndef IMIPSCHEDULER_H
 #define IMIPSCHEDULER_H
 //
 // iMIP implementation of iTIP methods
 //
 
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 
 #include "scheduler.h"
 
 namespace KCal {
 
 /*
@@ -37,13 +37,13 @@ class IMIPScheduler : public Scheduler {
   public:
     IMIPScheduler(Calendar *);
     virtual ~IMIPScheduler();
     
     bool publish (IncidenceBase *incidence,const QString &recipients);
     bool performTransaction(IncidenceBase *incidence,Method method);
-    QPtrList<ScheduleMessage> retrieveTransactions();
+    Q3PtrList<ScheduleMessage> retrieveTransactions();
 };
 
 }
 
 #endif  // IMIPSCHEDULER_H
 
diff --git a/libkcal/incidence.cpp b/libkcal/incidence.cpp
index 7dd9bd2..8fcdc69 100644
--- a/libkcal/incidence.cpp
+++ b/libkcal/incidence.cpp
@@ -23,12 +23,14 @@
 #include <kdebug.h>
 
 #include "calformat.h"
 
 #include "incidence.h"
 #include "todo.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 using namespace KCal;
 
 Incidence::Incidence() :
   IncidenceBase(),
   mRelatedTo(0), mSecrecy(SecrecyPublic), mPriority(3)
@@ -56,13 +58,13 @@ Incidence::Incidence( const Incidence &i ) : IncidenceBase( i )
   mCategories = i.mCategories;
 //  Incidence *mRelatedTo;          Incidence *mRelatedTo;
   mRelatedTo = 0;
   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 );
       mAttachments.append( a );
       ++itat;
   }
@@ -70,13 +72,13 @@ Incidence::Incidence( const Incidence &i ) : IncidenceBase( i )
   mResources = i.mResources;
   mSecrecy = i.mSecrecy;
   mPriority = i.mPriority;
   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 );
     b->setParent( this );
     mAlarms.append( b );
 
@@ -95,13 +97,13 @@ Incidence::Incidence( const Incidence &i ) : IncidenceBase( i )
 }
 
 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);
   } 
   if (relatedTo()) relatedTo()->removeRelation(this);
   if ( mRecurrence ) 
       delete mRecurrence; 
@@ -213,14 +215,14 @@ bool KCal::operator==( const Incidence& i1, const Incidence& i2 )
             {
             qDebug("alarm not equal ");
             return false;
         }
     }
 #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;
         }
         else {
             return false;
@@ -319,13 +321,13 @@ void Incidence::recreate()
 }
 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();
         cloneInc->setRelatedTo( newInc );
         inc->cloneRelations( cloneInc );
     } 
@@ -353,13 +355,13 @@ QDateTime Incidence::lastModifiedSub()
     if ( !mRelations.count() )
         return lastModified();
     if ( mLastModifiedSub.isValid() )
         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();
     }
     mLastModifiedSubSortKey.sprintf("%04d%02d%02d%02d%02d%02d",
                                     mLastModifiedSub.date().year(),
@@ -444,13 +446,13 @@ void Incidence::addCategories(const QStringList &categories, bool addToRelations
             mCategories.append( categories[i] );
     }
     checkCategories();
     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 );
         } 
     }
 }
 
@@ -459,13 +461,13 @@ void Incidence::setCategories(const QStringList &categories, bool setForRelation
   if (mReadOnly) return;
   mCategories = categories;
   checkCategories();
   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 );
       } 
   }
 }
 
@@ -547,21 +549,21 @@ void Incidence::setRelatedTo(Incidence *relatedTo)
 
 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 );
     } 
     if ( rel->findRef( this ) == -1 ) 
         rel->append( this );
 }
@@ -644,21 +646,21 @@ void Incidence::deleteAttachments(const QString& mime)
       mAttachments.remove();
     else
       at = mAttachments.next();
   }
 }
 
-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)
       attachments.append(at);
     ++it;
   }
@@ -734,13 +736,13 @@ QStringList Incidence::secrecyList()
   list << secrecyName(SecrecyConfidential);
 
   return list;
 }
 
 
-QPtrList<Alarm> Incidence::alarms() const
+Q3PtrList<Alarm> Incidence::alarms() const
 {
   return mAlarms;
 }
 
 Alarm* Incidence::newAlarm()
 {
@@ -768,13 +770,13 @@ void Incidence::clearAlarms()
   updated();
 }
 
 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;
   }
   return false;
 }
 #include <stdlib.h>
diff --git a/libkcal/incidence.h b/libkcal/incidence.h
index f89942f..2940129 100644
--- a/libkcal/incidence.h
+++ b/libkcal/incidence.h
@@ -22,13 +22,15 @@
 //
 // Incidence - base class of calendaring components
 //
 
 #include <qdatetime.h>
 #include <qstringlist.h>
-#include <qvaluelist.h>
+#include <q3valuelist.h>
+//Added by qt3to4:
+#include <Q3PtrList>
 
 #include "recurrence.h"
 #include "alarm.h"
 #include "attachment.h"
 #include "listbase.h"
 #include "incidencebase.h"
@@ -110,13 +112,13 @@ class Incidence : public IncidenceBase
       </pre>
     */
     virtual bool accept(Visitor &) { return false; }
 
     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 );
 
     /**
       Recreate event. The event is made a new unique event, but already stored
@@ -174,13 +176,13 @@ class Incidence : public IncidenceBase
     /** point at some other event to which the event relates */
     void setRelatedTo(Incidence *relatedTo);
     void resetRelatedTo();
     /** 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 */
     void removeRelation(Incidence *);
 
     /** returns the list of dates which are exceptions to the recurrence rule */
@@ -199,15 +201,15 @@ class Incidence : public IncidenceBase
     void addAttachment(Attachment *attachment);
     /** remove and delete a specific attachment */
     void deleteAttachment(Attachment *attachment);
     /** remove and delete all attachments with this mime type */
     void deleteAttachments(const QString& mime);
     /** return list of all associated attachments */
-    QPtrList<Attachment> attachments() const;
+    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. */
     void setSecrecy(int);
     /** return the event's secrecy. */
     int secrecy() const;
@@ -232,13 +234,13 @@ class Incidence : public IncidenceBase
     /** set the event's priority, 0 is undefined, 1 highest (decreasing order) */
     void setPriority(int priority);
     /** get the event's priority */
     int priority() const;
 
     /** All alarms that are associated with this incidence */
-    QPtrList<Alarm> alarms() const;
+    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 */
     void addAlarm(Alarm*);
     /** Remove an alarm that is associated with this incidence */
     void removeAlarm(Alarm*);
@@ -285,14 +287,14 @@ class Incidence : public IncidenceBase
     void setLastModifiedSubInvalid();
     
     virtual QString durationText();
     QString durationText4Time( int secs );
     Recurrence *mRecurrence;
 protected:
-    QPtrList<Alarm> mAlarms;
-    QPtrList<Incidence> mRelations;
+    Q3PtrList<Alarm> mAlarms;
+    Q3PtrList<Incidence> mRelations;
     QDateTime mRecurrenceID;
     bool mHasRecurrenceID;
   private:
     void checkCategories();
     QString mLastModifiedSubSortKey;
     bool mHoliday, mBirthday, mAnniversary;
@@ -305,13 +307,13 @@ protected:
     QString mDescription;
     QString mSummary;
     QStringList mCategories;
     Incidence *mRelatedTo;
     QString mRelatedToUid;
     DateList mExDates;
-    QPtrList<Attachment> mAttachments;
+    Q3PtrList<Attachment> mAttachments;
     QStringList mResources;
     bool mHasStartDate;                  // if todo has associated start date
 
     int mSecrecy;
     int mPriority;                        // 1 = highest, 2 = less, etc.
 
diff --git a/libkcal/incidencebase.cpp b/libkcal/incidencebase.cpp
index 56c0560..f11ec54 100644
--- a/libkcal/incidencebase.cpp
+++ b/libkcal/incidencebase.cpp
@@ -24,12 +24,14 @@
 #include <kidmanager.h>
 
 #include "calformat.h"
 #include "syncdefines.h"
 
 #include "incidencebase.h"
+//Added by qt3to4:
+#include <Q3PtrList>
 
 using namespace KCal;
 
 IncidenceBase::IncidenceBase() :
   mReadOnly(false), mFloats(true), mDuration(0), mHasDuration(false),
   mPilotId(0), mSyncStatus(SYNCMOD)
@@ -61,13 +63,13 @@ IncidenceBase::IncidenceBase(const IncidenceBase &i) :
   mHasDuration = i.mHasDuration;
   mOrganizer = i.mOrganizer;
   mUid = i.mUid;
   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 ) );
   }
   mFloats = i.mFloats;
   mLastModified = i.mLastModified;
   mPilotId = i.mPilotId;
@@ -297,13 +299,13 @@ void IncidenceBase::setFloats(bool f)
 bool IncidenceBase::addAttendee(Attendee *a, bool doupdate)
 {
   if (mReadOnly) return false;
   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) {
       if (*qli.current() == *a)
           return false;
       ++qli;
@@ -340,13 +342,13 @@ void IncidenceBase::clearAttendees()
   mAttendees.clear();
 }
 
 #if 0
 Attendee *IncidenceBase::getAttendee(const char *n) const
 {
-  QPtrListIterator<Attendee> qli(mAttendees);
+  Q3PtrListIterator<Attendee> qli(mAttendees);
 
   qli.toFirst();
   while (qli) {
     if (qli.current()->getName() == n)
       return qli.current();
     ++qli;
@@ -354,26 +356,26 @@ Attendee *IncidenceBase::getAttendee(const char *n) const
   return 0L;
 }
 #endif
 
 Attendee *IncidenceBase::attendeeByMail(const QString &email)
 {
-  QPtrListIterator<Attendee> qli(mAttendees);
+  Q3PtrListIterator<Attendee> qli(mAttendees);
 
   qli.toFirst();
   while (qli) {
       if (qli.current()->email().lower() == email.lower())
       return qli.current();
     ++qli;
   }
   return 0L;
 }
 
 Attendee *IncidenceBase::attendeeByMails(const QStringList &emails, const QString& email)
 {
-  QPtrListIterator<Attendee> qli(mAttendees);
+  Q3PtrListIterator<Attendee> qli(mAttendees);
 
   QStringList mails = emails;
   if (!email.isEmpty()) {
     mails.append(email);
   }
   qli.toFirst();
@@ -488,13 +490,13 @@ void IncidenceBase::unRegisterObserver( IncidenceBase::Observer *observer )
 {
   mObservers.remove( observer );
 }
 
 void IncidenceBase::updated()
 {
-  QPtrListIterator<Observer> it(mObservers);
+  Q3PtrListIterator<Observer> it(mObservers);
   while( it.current() ) {
     Observer *o = it.current();
     ++it;
     o->incidenceUpdated( this );
   }
 }
diff --git a/libkcal/incidencebase.h b/libkcal/incidencebase.h
index 3edc03b..d97f524 100644
--- a/libkcal/incidencebase.h
+++ b/libkcal/incidencebase.h
@@ -22,21 +22,23 @@
 //
 // Incidence - base class of calendaring components
 //
 
 #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 };
 
 /**
   This class provides the base class common to all calendar components.
 */
 class IncidenceBase : public CustomProperties
@@ -48,13 +50,13 @@ class IncidenceBase : public CustomProperties
     };
 
     IncidenceBase();
     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 */
     void setUid(const QString &);
     /** Return the unique id for the event */
     QString uid() const;
@@ -106,13 +108,13 @@ class IncidenceBase : public CustomProperties
     bool addAttendee(Attendee *a, bool doupdate=true );
 //    void removeAttendee(Attendee *a);
 //    void removeAttendee(const char *n);
     /** 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 */
     Attendee* attendeeByMail(const QString &);
     /** Return first Attendee with one of this emails */
     Attendee* attendeeByMails(const QStringList &, const QString& email = QString::null);
@@ -165,26 +167,26 @@ class IncidenceBase : public CustomProperties
     QString mLastModifiedKey;
     QString mUid;
     int mCalID;
     bool mCalEnabled;
     bool mAlarmEnabled;
     QDateTime mLastModified;
-    QPtrList<Attendee> mAttendees;
+    Q3PtrList<Attendee> mAttendees;
 
     bool mFloats;
 
     int mDuration;
     bool mHasDuration;
     QString  mExternalId;
     int mTempSyncStat;
 
     // PILOT SYNCHRONIZATION STUFF
     int mPilotId;                         // unique id for pilot sync
     int mSyncStatus;                      // status (for sync)
 
-    QPtrList<Observer> mObservers;
+    Q3PtrList<Observer> mObservers;
 };
 
 bool operator==( const IncidenceBase&, const IncidenceBase& );
 }
 
 #endif
diff --git a/libkcal/journal.h b/libkcal/journal.h
index 1cd0a22..c83356f 100644
--- a/libkcal/journal.h
+++ b/libkcal/journal.h
@@ -21,25 +21,27 @@
 #define JOURNAL_H
 //
 // Journal component, representing a VJOURNAL object
 //
 
 #include "incidence.h"
+//Added by qt3to4:
+#include <Q3CString>
 
 namespace KCal {
 
 /**
   This class provides a Journal in the sense of RFC2445.
 */
 class Journal : public Incidence
 {
   public:
     Journal();
     ~Journal();
 
-    QCString type() const { return "Journal"; }
+    Q3CString type() const { return "Journal"; }
     IncTypeID typeID() const { return journalID; }
     
     Incidence *clone();  
     QDateTime getNextAlarmDateTime( bool * ok, int * offset ,QDateTime start_dt ) const;
 private:
     bool accept(Visitor &v) { return v.visit(this); }
diff --git a/libkcal/kincidenceformatter.cpp b/libkcal/kincidenceformatter.cpp
index 733b897..bce68b0 100644
--- a/libkcal/kincidenceformatter.cpp
+++ b/libkcal/kincidenceformatter.cpp
@@ -1,12 +1,14 @@
 #include "kincidenceformatter.h"
 #include <kstaticdeleter.h>
 #include <kglobal.h>
 #include <klocale.h>
 #ifdef DEKTOP_VERSION
 #include <kabc/stdaddressbook.h>
+//Added by qt3to4:
+#include <Q3PtrList>
 #define size count
 #endif
 
 KIncidenceFormatter* KIncidenceFormatter::mInstance = 0;
 static KStaticDeleter<KIncidenceFormatter> insd;
 
@@ -307,13 +309,13 @@ void KIncidenceFormatter::formatCategories(Incidence *event)
      addTag("p",i18n("<b>Categories: </b>")+event->categoriesStrWithSpace() );
      //mText.append(event->categoriesStr());
  }
 }
 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;
     if(number !=-1) 
         {
             if (number > 0) {
@@ -336,13 +338,13 @@ void KIncidenceFormatter::addTag(const QString & tag,const QString & text)
             mText.append(str);
         }
 }
 
 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);
         addTag("h3",i18n("Organizer"));
         mText.append("<ul><li>");
 #if 0
@@ -359,13 +361,13 @@ void KIncidenceFormatter::formatAttendees(Incidence *event)
         } else {
             mText.append(event->organizer());
         }
 #else
         mText.append(event->organizer());
 #endif
-        if (iconPath) {
+        if (!iconPath.isEmpty()) {
             mText += " <a href=\"mailto:" + event->organizer() + "\">";
             mText += "<IMG src=\"" + iconPath + "\">";
             mText += "</a>\n";
         }
         mText.append("</li></ul>");
 
@@ -399,13 +401,13 @@ void KIncidenceFormatter::formatAttendees(Incidence *event)
             if (!a->name().isEmpty()) mText += a->name();
             else mText += a->email();
             mText += "</a>\n";
 #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 + "\">";
                     else
                         mText += "<IMG src=\"" + NOiconPath + "\">";
                     mText += "</a>\n";
diff --git a/libkcal/libkcal.pro b/libkcal/libkcal.pro
index 33c63c3..1f43b10 100644
--- a/libkcal/libkcal.pro
+++ b/libkcal/libkcal.pro
@@ -1,9 +1,9 @@
 TEMPLATE	= lib
 CONFIG		+= qt warn_on
-TARGET		= microkcal
+TARGET		= xmicrokcal
 
 include( ../variables.pri )
 
 INCLUDEPATH += ../libkdepim ../microkde  versit ../microkde/kdecore
 #../qtcompat
 INCLUDEPATH += ../libical/src/libical
@@ -103,6 +103,10 @@ dndfactory.cpp \
  vcaldrag.cpp \
  vcalformat.cpp \
  versit/vcc.c \
  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
@@ -1,9 +1,9 @@
 TEMPLATE	= lib
 CONFIG		+= qt warn_on
-TARGET		= microkcal
+TARGET		= xmicrokcal
 
 INCLUDEPATH += ../libkdepim ../microkde ../qtcompat versit ../microkde/kdecore $(QPEDIR)/include
 INCLUDEPATH += ../libical/src/libical
 INCLUDEPATH += ../libical/src/libicalss
 OBJECTS_DIR = obj/$(PLATFORM)
 MOC_DIR = moc/$(PLATFORM)
diff --git a/libkcal/listbase.h b/libkcal/listbase.h
index 085b13d..6c942ef 100644
--- a/libkcal/listbase.h
+++ b/libkcal/listbase.h
@@ -18,70 +18,72 @@
     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 #ifndef KCAL_LISTBASE_H
 #define KCAL_LISTBASE_H
 
-#include <qvaluelist.h>
+#include <q3valuelist.h>
+//Added by qt3to4:
+#include <Q3PtrList>
 
 namespace KCal {
     class Event;
     class Todo;
 /**
   This class provides a template for lists of pointers. It extends QValueList<T
   *> 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;
         }
       }
     }
 
     ListBase &operator=( const ListBase &l )
     {
       if ( this == &l ) return *this;
-      QValueList<T *>::operator=( l );
+      Q3ValueList<T *>::operator=( l );
       return *this;
     }
 
     void setAutoDelete( bool autoDelete )
     {
       mAutoDelete = autoDelete;
     }
 
     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;
         remove( it );
         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 );
             ++it;
         }
         
diff --git a/libkcal/phoneformat.cpp b/libkcal/phoneformat.cpp
index 900fc04..794e4b4 100644
--- a/libkcal/phoneformat.cpp
+++ b/libkcal/phoneformat.cpp
@@ -19,21 +19,22 @@
     Boston, MA 02111-1307, USA.
 */
 
 #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>
 #include <kglobal.h>
 #include <kmessagebox.h>
 #include <phoneaccess.h>
@@ -198,13 +199,13 @@ ulong PhoneFormat::getCsumEvent( Event* event )
             list.append( "2" );
             list.append( QString::number( rec->frequency()) );//12
            
             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;
                 else
                     count = rmp.first()->rPos - 1;
                 list.append( QString::number( count ) );
@@ -238,13 +239,13 @@ ulong PhoneFormat::getCsumEvent( Event* event )
             break;
         }
     if  ( writeEndDate ) {
         
         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" );
         }
         
     }
@@ -302,13 +303,13 @@ bool PhoneFormat::load( Calendar *calendar, Calendar *existingCal)
     VCalFormat vfload;
     vfload.setLocalTime ( true ); 
     qDebug("loading file ..."); 
 
     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 ) {
         QStringList cat = ev->categories();
         if ( cat.contains( "MeetingDEF" )) {
             ev->setCategories( QStringList() );
@@ -337,13 +338,13 @@ bool PhoneFormat::load( Calendar *calendar, Calendar *existingCal)
         event->setTempSyncStat( SYNC_TEMPSTATE_NEW_EXTERNAL );
         event->setID( mProfileName,QString::number( id ) );
         ev =  er.next();
     }
     {
         qDebug("reading todos... "); 
-        QPtrList<Todo> tr = calendar->rawTodos();
+        Q3PtrList<Todo> tr = calendar->rawTodos();
         Todo* ev = tr.first();  
         while ( ev ) {
 
             QStringList cat = ev->categories();
             if ( cat.contains( "MeetingDEF" )) {
                 ev->setCategories( QStringList() );
@@ -462,13 +463,13 @@ void PhoneFormat::copyTodo( Todo* to,  Todo* from )
     else if (to->priority() == 4 && from->priority() == 5 )
         ;
     else
         to->setPriority(from->priority());
 
 }
-#include <qcstring.h>
+#include <q3cstring.h>
 
 void PhoneFormat::afterSave( Incidence* inc,const QString& id ,const QString& csum)
 {
     inc->setID( mProfileName, id );
     inc->setCsum( mProfileName, csum);
     inc->setTempSyncStat( SYNC_TEMPSTATE_NEW_ID );
@@ -494,24 +495,24 @@ bool PhoneFormat::writeToPhone( Calendar *  calendar)
 }
 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 ) { 
             calendar->deleteEvent( ev );
         } else {
 
         }
         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 ) {
             calendar->deleteTodo( to );   
         } else {
             if ( to->isCompleted()) {
@@ -549,13 +550,13 @@ bool PhoneFormat::save( Calendar *calendar)
     // 6 compare data
 
 //algo 6 compare event
     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 ) {
         //qDebug("event new ID %s",ev->summary().latin1()); 
             status.setText ( message + QString::number ( ++procCount ) );
             qApp->processEvents();
@@ -577,13 +578,13 @@ bool PhoneFormat::save( Calendar *calendar)
         ev =  er.next();
     }
     //algo 6 compare todo
     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  ) {
             status.setText ( message + QString::number ( ++procCount ) );
             qApp->processEvents();
             Todo* to1 = tl1.first(); 
diff --git a/libkcal/qtopiaformat.cpp b/libkcal/qtopiaformat.cpp
index 0a4a031..2dfe1a4 100644
--- a/libkcal/qtopiaformat.cpp
+++ b/libkcal/qtopiaformat.cpp
@@ -18,17 +18,17 @@
     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 
 #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>
 #include <klocale.h>
 
 #include "calendar.h"
@@ -306,18 +306,18 @@ bool QtopiaFormat::save( Calendar *calendar, const QString &fileName )
 
   if ( text.isNull() ) return false;
 
   // 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();
 
   return true;
 }
 
diff --git a/libkcal/recurrence.cpp b/libkcal/recurrence.cpp
index 6ee5499..9a4e540 100644
--- a/libkcal/recurrence.cpp
+++ b/libkcal/recurrence.cpp
@@ -26,12 +26,15 @@
 #include <kglobal.h>
 #include <klocale.h>
 
 #include "incidence.h"
 
 #include "recurrence.h"
+//Added by qt3to4:
+#include <Q3ValueList>
+#include <Q3PtrList>
 
 using namespace KCal;
 
 Recurrence::Feb29Type Recurrence::mFeb29YearlyDefaultType = Recurrence::rMar1;
 
 
@@ -53,13 +56,13 @@ Recurrence::Recurrence(Incidence *parent, int compatVersion)
   rYearNums.setAutoDelete( true );
 }
 
 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),
   mRecurStart(r.mRecurStart),
   mFloats(r.mFloats),
   mRecurReadOnly(r.mRecurReadOnly),
@@ -67,25 +70,25 @@ Recurrence::Recurrence(const Recurrence &r, Incidence *parent)
   mFeb29YearlyType(r.mFeb29YearlyType),
   mCompatVersion(r.mCompatVersion),
   mCompatRecurs(r.mCompatRecurs),
   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);
   }
   rMonthDays.setAutoDelete( true );
   rMonthPositions.setAutoDelete( true );
@@ -121,52 +124,52 @@ bool Recurrence::operator==( const Recurrence& r2 ) const
   switch ( recurs )
   {
     case rWeekly:
       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() )
           return false;
       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() )
           return false; 
       return *MonthDays.first() == *MonthDays2.first() ;
   }
   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() )
           return false;
       return MonthPositions.first()->rPos == MonthPositions2.first()->rPos;
      
   }
   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:
     case rMinutely:
     case rHourly:
     case rDaily:
@@ -354,13 +357,13 @@ QDateTime Recurrence::endDateTime() const
     {
     case rMinutely:
       return mRecurStart.addSecs((rDuration-1+mRecurExDatesCount)*rFreq*60);
     case rHourly:
       return mRecurStart.addSecs((rDuration-1+mRecurExDatesCount)*rFreq*3600);
     case rDaily:
-      return dStart.addDays((rDuration-1+mRecurExDatesCount)*rFreq);
+      return (QDateTime)dStart.addDays((rDuration-1+mRecurExDatesCount)*rFreq);
 
     case rWeekly:
       count = weeklyCalc(END_DATE_AND_COUNT, end);
       break;
     case rMonthlyPos:
     case rMonthlyDay:
@@ -503,23 +506,23 @@ QString Recurrence::endDateStr(bool shortfmt) const
 
 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;
 }
 
 void Recurrence::setMinutely(int _rFreq, int _rDuration)
 {
@@ -756,13 +759,13 @@ void Recurrence::setYearlyByDate(Feb29Type type, int _rFreq, const QDate &_rEndD
 void Recurrence::addYearlyMonthPos(short _rPos, const QBitArray &_rDays)
 {
   if (recurs == rYearlyPos)
     addMonthlyPos_(_rPos, _rDays);
 }
 
-const QPtrList<int> &Recurrence::yearNums() const
+const Q3PtrList<int> &Recurrence::yearNums() const
 {
   return rYearNums;
 }
 void Recurrence::addYearlyMonth(short _rPos )
 { 
     if (mRecurReadOnly  ||  recurs != rYearlyMonth)    // invalid day/month number
@@ -1044,19 +1047,19 @@ bool Recurrence::recursMonthly(const QDate &qd) const
     // The date is in a month which recurs
     if (qd >= dStart
     &&  ((rDuration > 0 && qd <= endDate()) ||
          (rDuration == 0 && qd <= rEndDateTime.date()) ||
          rDuration == -1)) {
       // The date queried falls within the range of the event.
-      QValueList<int> days;
+      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;
       }
       // no dates matched
     }
   }
@@ -1098,13 +1101,13 @@ bool Recurrence::recursYearlyByMonth(const QDate &qd) const
       if (qd >= dStart
       &&  ((rDuration > 0 && qd <= endDate()) ||
            (rDuration == 0 && qd <= rEndDateTime.date()) ||
            rDuration == -1)) {
         // The date queried falls within the range of the event.
         int i = qmonth;
-        for (QPtrListIterator<int> qlin(rYearNums); qlin.current(); ++qlin) {
+        for (Q3PtrListIterator<int> qlin(rYearNums); qlin.current(); ++qlin) {
           if (i == *qlin.current())
             return true;
         }
       }
     }
   }
@@ -1124,18 +1127,18 @@ bool Recurrence::recursYearlyByPos(const QDate &qd) const
     // The date is in a year which recurs
     if (qd >= dStart
     &&  ((rDuration > 0 && qd <= endDate()) ||
          (rDuration == 0 && qd <= rEndDateTime.date()) ||
          rDuration == -1)) {
       // The date queried falls within the range of the event.
-      for (QPtrListIterator<int> qlin(rYearNums); qlin.current(); ++qlin) {
+      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;
           }
         }
       }
     }
@@ -1154,13 +1157,13 @@ bool Recurrence::recursYearlyByDay(const QDate &qd) const
     if (qd >= dStart
     &&  ((rDuration > 0 && qd <= endDate()) ||
          (rDuration == 0 && qd <= rEndDateTime.date()) ||
          rDuration == -1)) {
       // The date queried falls within the range of the event.
       int i = qd.dayOfYear();
-      for (QPtrListIterator<int> qlin(rYearNums); qlin.current(); ++qlin) {
+      for (Q3PtrListIterator<int> qlin(rYearNums); qlin.current(); ++qlin) {
         if (i == *qlin.current())
           return true;
       }
     }
   }
   return false;
@@ -1546,13 +1549,13 @@ int Recurrence::recurCalc(PeriodFunc func, QDate &enddate) const
   }
 
   switch (func) {
     case END_DATE_AND_COUNT:
     case NEXT_AFTER_DATE:
       if (count == 0)
-        endtime = QDate();
+        endtime = QDateTime();
       else if (timed)
         enddate = endtime.date();
       break;
     case COUNT_TO_DATE:
       break;
   }
@@ -1790,30 +1793,30 @@ struct Recurrence::MonthlyData {
     const Recurrence *recurrence;
     int               year;          // current year
     int               month;         // current month 0..11
     int               day;           // current day of month 1..31
     bool              varies;        // true if recurring days vary between different months
   private:
-    QValueList<int>   days28, days29, days30, days31;   // recurring days in months of each length
-    QValueList<int>  *recurDays[4];
+    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())
              { recurDays[0] = &days28;
                recurDays[1] = &days29;
                recurDays[2] = &days30;
                recurDays[3] = &days31;
                varies = (recurrence->recurs == rMonthlyPos)
                         ? true : recurrence->getMonthlyDayDays(days31, 31);
              }
-    const QValueList<int>* dayList() const {
+    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())
               recurrence->getMonthlyDayDays(*days, daysInMonth);
             return days;
     }
@@ -1841,14 +1844,14 @@ int Recurrence::monthlyCalc(PeriodFunc func, QDate &enddate) const
 }
 
 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
     for (it = days->begin();  it != days->end();  ++it) {
       if (*it >= data.day) {
         ++countGone;
@@ -1907,14 +1910,14 @@ int Recurrence::monthlyCalcToDate(const QDate &enddate, MonthlyData &data) const
   int countGone = 0;
   int countMax  = (rDuration > 0) ? rDuration + mRecurExDatesCount : INT_MAX;
   int endYear  = enddate.year();
   int endMonth = enddate.month() - 1;     // zero-based
   int endDay   = enddate.day();
   int endYearMonth = endYear*12 + endMonth;
-  QValueList<int>::ConstIterator it;
-  const QValueList<int>* days = data.dayList();
+  Q3ValueList<int>::ConstIterator it;
+  const Q3ValueList<int>* days = data.dayList();
 
   if (data.day > 1) {
     // Check what remains of the start month
     for (it = days->begin();  it != days->end();  ++it) {
       if (*it >= data.day) {
         if (data.yearMonth() == endYearMonth && *it > endDay)
@@ -1966,14 +1969,14 @@ int Recurrence::monthlyCalcNextAfter(QDate &enddate, MonthlyData &data) const
 {
   uint countTogo = (rDuration > 0) ? rDuration + mRecurExDatesCount : UINT_MAX;
   int countGone = 0;
   int endYear = enddate.year();
   int endDay  = enddate.day();
   int endYearMonth = endYear*12 + enddate.month() - 1;
-  QValueList<int>::ConstIterator it;
-  const QValueList<int>* days = data.dayList();
+  Q3ValueList<int>::ConstIterator it;
+  const Q3ValueList<int>* days = data.dayList();
 
   if (data.day > 1) {
     // Check what remains of the start month
     for (it = days->begin();  it != days->end();  ++it) {
       if (*it >= data.day) {
         ++countGone;
@@ -2049,23 +2052,23 @@ struct Recurrence::YearlyMonthData {
     int               year;          // current year
     int               month;         // current month 1..12
     int               day;           // current day of month 1..31
     bool              leapyear;      // true if February 29th recurs and current year is a leap year
     bool              feb29;         // true if February 29th recurs
   private:
-    QValueList<int>   months;        // recurring months in non-leap years  1..12
-    QValueList<int>   leapMonths;    // recurring months in leap years  1..12
+    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); }
 };
 
 int Recurrence::yearlyMonthCalc(PeriodFunc func, QDate &enddate) const
 {
   if (rYearNums.isEmpty())
@@ -2085,14 +2088,14 @@ int Recurrence::yearlyMonthCalc(PeriodFunc func, QDate &enddate) const
 // Find total count and end date of an annual recurrence by date.
 // Reply = total number of occurrences.
 int Recurrence::yearlyMonthCalcEndDate(QDate &enddate, YearlyMonthData &data) const
 {
   uint countTogo = rDuration + mRecurExDatesCount;
   int  countGone = 0;
-  QValueList<int>::ConstIterator it;
-  const QValueList<int>* mons = data.monthList();   // get recurring months for this year
+  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
     for (it = mons->begin();  it != mons->end();  ++it) {
       if (*it >= data.month) {
         ++countGone;
@@ -2196,14 +2199,14 @@ int Recurrence::yearlyMonthCalcToDate(const QDate &enddate, YearlyMonthData &dat
     }
     else if (--endMonth == 0) {
       endMonth = 12;
       --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
     for (it = mons->begin();  it != mons->end();  ++it) {
       if (*it >= data.month) {
         if (data.year == endYear && *it > endMonth)
@@ -2267,14 +2270,14 @@ int Recurrence::yearlyMonthCalcNextAfter(QDate &enddate, YearlyMonthData &data)
       feb28ok = true;
     else if (--endMonth == 0) {
       endMonth = 12;
       --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
     for (it = mons->begin();  it != mons->end();  ++it) {
       if (*it >= data.month) {
         ++countGone;
@@ -2387,21 +2390,21 @@ struct Recurrence::YearlyPosData {
     int               month;         // current month 1..12
     int               day;           // current day of month 1..31
     int               daysPerMonth;  // number of days which recur each month, or -1 if variable
     int               count;         // number of days which recur each year, or -1 if variable
     bool              varies;        // true if number of days varies from year to year
   private:
-    mutable QValueList<int> days;
+    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)
             { if ((daysPerMonth = r->countMonthlyPosDays()) > 0)
                 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;
     }
     int    yearMonth() const    { return year*12 + month - 1; }
     void   addMonths(int diff)  { month += diff - 1;  year += month / 12;  month = month % 12 + 1; }
@@ -2425,18 +2428,18 @@ int Recurrence::yearlyPosCalc(PeriodFunc func, QDate &enddate) const
 }
 
 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
         ||  static_cast<uint>(data.daysPerMonth) >= countTogo) {
           data.month = *im.current();
           days = data.dayList();
@@ -2463,13 +2466,13 @@ int Recurrence::yearlyPosCalcEndDate(QDate &enddate, YearlyPosData &data) const
     data.year += rFreq;
   }
 
   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();
         if (static_cast<uint>(n) >= countTogo) {
           // Check the last month in the recurrence
           for (id = days->begin();  id != days->end();  ++id) {
@@ -2493,13 +2496,13 @@ int Recurrence::yearlyPosCalcEndDate(QDate &enddate, YearlyPosData &data) const
     int wholeYears = (countTogo - 1) / data.count;
     data.year += wholeYears * rFreq;
     countGone += wholeYears * data.count;
     countTogo -= wholeYears * data.count;
 
     // Check the last year in the recurrence.
-    for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
+    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();
         days = data.dayList();
         for (id = days->begin();  id != days->end();  ++id) {
           ++countGone;
@@ -2528,18 +2531,18 @@ int Recurrence::yearlyPosCalcToDate(const QDate &enddate, YearlyPosData &data) c
   int endDay   = enddate.day();
   if (endDay < data.day && --endMonth == 0) {
     endMonth = 12;
     --endYear;
   }
   int endYearMonth = endYear*12 + endMonth;
-  QValueList<int>::ConstIterator id;
-  const QValueList<int>* days;
+  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)
           return countGone;
         // Check what remains of the start month
         bool lastMonth = (data.yearMonth() == endYearMonth);
@@ -2573,13 +2576,13 @@ int Recurrence::yearlyPosCalcToDate(const QDate &enddate, YearlyPosData &data) c
     data.year += rFreq;
   }
 
   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) {
           if (data.yearMonth() > endYearMonth)
             return countGone;
           // Check the last month in the recurrence
@@ -2608,13 +2611,13 @@ int Recurrence::yearlyPosCalcToDate(const QDate &enddate, YearlyPosData &data) c
       return countMax;
     if (wholeYears % rFreq)
       return countGone;      // end year isn't a recurrence year
     data.year = endYear;
 
     // Check the last year in the recurrence.
-    for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
+    for (Q3PtrListIterator<int> im(rYearNums); im.current(); ++im) {
       data.month = *im.current();
       if (data.month >= endMonth) {
         if (data.month > endMonth)
           return countGone;
         // Check the last month in the recurrence
         days = data.dayList();
@@ -2643,20 +2646,20 @@ int Recurrence::yearlyPosCalcNextAfter(QDate &enddate, YearlyPosData &data) cons
   int endDay   = enddate.day();
   if (endDay < data.day && --endMonth == 0) {
     endMonth = 12;
     --endYear;
   }
   int endYearMonth = endYear*12 + endMonth;
-  QValueList<int>::ConstIterator id;
-  const QValueList<int>* days;
+  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();
           int ended = data.yearMonth() - endYearMonth;
           days = data.dayList();
           if (ended >= 0 || data.day > 1) {
@@ -2686,13 +2689,13 @@ int Recurrence::yearlyPosCalcNextAfter(QDate &enddate, YearlyPosData &data) cons
       data.year += rFreq;
     }
   } else {
     // The number of recurrences is the same every year.
     if (data.month > 1 || data.day > 1) {
       // Check what remains of the start year
-      for (QPtrListIterator<int> im(rYearNums); im.current(); ++im) {
+      for (Q3PtrListIterator<int> im(rYearNums); im.current(); ++im) {
         if (*im.current() >= data.month) {
           // Check what remains of the start month
           data.month = *im.current();
           int ended = data.yearMonth() - endYearMonth;
           if (ended >= 0 || data.day > 1) {
             // This is the start or end month, so check each day
@@ -2731,13 +2734,13 @@ int Recurrence::yearlyPosCalcNextAfter(QDate &enddate, YearlyPosData &data) cons
       countTogo -= n;
       countGone += n;
       data.year += recurYears * rFreq;
     }
 
     // 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) {
         // This is the end month, so check each day
         days = data.dayList();
         for (id = days->begin();  id != days->end();  ++id) {
@@ -2805,13 +2808,13 @@ int Recurrence::yearlyDayCalcEndDate(QDate &enddate, YearlyDayData &data) const
   uint countTogo = rDuration + mRecurExDatesCount;
   int countGone = 0;
 
   if (data.day > 1) {
     // Check what remains of the start year
     bool leapOK = data.isMaxDayCount();
-    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
+    for (Q3PtrListIterator<int> it(rYearNums); it.current(); ++it) {
       int d = *it.current();
       if (d >= data.day && (leapOK || d < 366)) {
         ++countGone;
         if (--countTogo == 0) {
           data.day = d;
           goto ex;
@@ -2843,13 +2846,13 @@ int Recurrence::yearlyDayCalcEndDate(QDate &enddate, YearlyDayData &data) const
     data.year += wholeYears * rFreq;
     countGone += wholeYears * daysPerYear;
     countTogo -= wholeYears * daysPerYear;
   }
   if (countTogo) {
     // Check the last year in the recurrence
-    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
+    for (Q3PtrListIterator<int> it(rYearNums); it.current(); ++it) {
       ++countGone;
       if (--countTogo == 0) {
         data.day = *it.current();
         break;
       }
     }
@@ -2866,13 +2869,13 @@ int Recurrence::yearlyDayCalcToDate(const QDate &enddate, YearlyDayData &data) c
   int endYear = enddate.year();
   int endDay  = enddate.dayOfYear();
 
   if (data.day > 1) {
     // Check what remains of the start year
     bool leapOK = data.isMaxDayCount();
-    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
+    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)
           return countGone;
         if (++countGone >= countMax)
           return countMax;
@@ -2905,13 +2908,13 @@ int Recurrence::yearlyDayCalcToDate(const QDate &enddate, YearlyDayData &data) c
       return countGone;      // end year isn't a recurrence year
     data.year = endYear;
   }
 
   if (data.year <= endYear) {
     // Check the last year in the recurrence
-    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
+    for (Q3PtrListIterator<int> it(rYearNums); it.current(); ++it) {
       if (*it.current() > endDay)
         return countGone;
       if (++countGone >= countMax)
         return countMax;
     }
   }
@@ -2925,13 +2928,13 @@ int Recurrence::yearlyDayCalcNextAfter(QDate &enddate, YearlyDayData &data) cons
   int  endYear = enddate.year();
   int  endDay  = enddate.dayOfYear();
 
   if (data.day > 1) {
     // Check what remains of the start year
     bool leapOK = data.isMaxDayCount();
-    for (QPtrListIterator<int> it(rYearNums); it.current(); ++it) {
+    for (Q3PtrListIterator<int> it(rYearNums); it.current(); ++it) {
       int d = *it.current();
       if (d >= data.day && (leapOK || d < 366)) {
         ++countGone;
         if (data.year == endYear && d > endDay) {
           data.day = d;
           goto ex;
@@ -2974,13 +2977,13 @@ int Recurrence::yearlyDayCalcNextAfter(QDate &enddate, YearlyDayData &data) cons
       countGone += n;
       data.year += recurYears * rFreq;
     }
   }
 
   // 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) {
       data.day = d;
       break;
     }
@@ -2992,19 +2995,19 @@ ex:
   return countGone;
 }
 
 // Get the days in this month which recur, in numerical order.
 // Parameters: daysInMonth = number of days in this month
 //             startDayOfWeek = day of week for first day of month.
-void Recurrence::getMonthlyPosDays(QValueList<int> &list, int daysInMonth, int startDayOfWeek) const
+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) {
       // nth days before the end of the month
       for (uint i = 1; i <= 7; ++i) {
         if (rdays.testBit(i - 1)) {
@@ -3036,13 +3039,13 @@ void Recurrence::getMonthlyPosDays(QValueList<int> &list, int daysInMonth, int s
 // Reply = -1 if the number varies from month to month.
 int Recurrence::countMonthlyPosDays() const
 {
   int count = 0;
   Q_UINT8 positive[5] = { 0, 0, 0, 0, 0 };
   Q_UINT8 negative[4] = { 0, 0, 0, 0 };
-  for (QPtrListIterator<rMonthPos> pos(rMonthPositions); pos.current(); ++pos) {
+  for (Q3PtrListIterator<rMonthPos> pos(rMonthPositions); pos.current(); ++pos) {
     int weeknum = pos.current()->rPos;
     Q_UINT8* wk;
     if (pos.current()->negative) {
       // nth days before the end of the month
       if (weeknum > 4)
         return -1;       // days in 5th week are often missing
@@ -3069,18 +3072,18 @@ int Recurrence::countMonthlyPosDays() const
   }
   return count;
 }
 
 // Get the days in this month which recur, in numerical order.
 // Reply = true if day numbers varies from month to month.
-bool Recurrence::getMonthlyDayDays(QValueList<int> &list, int daysInMonth) const
+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
       if (day <= daysInMonth)
         days |= 1 << (day - 1);
       if (day > 28 && day <= 31)
@@ -3103,18 +3106,18 @@ bool Recurrence::getMonthlyDayDays(QValueList<int> &list, int daysInMonth) const
 }
 
 // Get the months which recur, in numerical order, for both leap years and non-leap years.
 // N.B. If February 29th recurs on March 1st in non-leap years, February (not March) is
 // included in the non-leap year month list.
 // Reply = true if February 29th also recurs.
-bool Recurrence::getYearlyMonthMonths(int day, QValueList<int> &list, QValueList<int> &leaplist) const
+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) {
         list.append(month);     // date appears in February
         leaplist.append(month);
       }
@@ -3184,13 +3187,13 @@ QDate Recurrence::getFirstDateInMonth(const QDate &earliestDate) const
 {
   int earliestDay = earliestDate.day();
   int daysInMonth = earliestDate.daysInMonth();
   switch (recurs) {
     case rMonthlyDay: {
       int minday = daysInMonth + 1;
-      for (QPtrListIterator<int> it(rMonthDays);  it.current();  ++it) {
+      for (Q3PtrListIterator<int> it(rMonthDays);  it.current();  ++it) {
         int day = *it.current();
         if (day < 0)
           day = daysInMonth + day + 1;
         if (day >= earliestDay  &&  day < minday)
           minday = day;
       }
@@ -3198,15 +3201,15 @@ QDate Recurrence::getFirstDateInMonth(const QDate &earliestDate) const
         return earliestDate.addDays(minday - earliestDay);
       break;
     }
     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);
       }
       break;
     }
   }
@@ -3221,13 +3224,13 @@ QDate Recurrence::getLastDateInMonth(const QDate &latestDate) const
 {
   int latestDay = latestDate.day();
   int daysInMonth = latestDate.daysInMonth();
   switch (recurs) {
     case rMonthlyDay: {
       int maxday = -1;
-      for (QPtrListIterator<int> it(rMonthDays);  it.current();  ++it) {
+      for (Q3PtrListIterator<int> it(rMonthDays);  it.current();  ++it) {
         int day = *it.current();
         if (day < 0)
           day = daysInMonth + day + 1;
         if (day <= latestDay  &&  day > maxday)
           maxday = day;
       }
@@ -3235,15 +3238,15 @@ QDate Recurrence::getLastDateInMonth(const QDate &latestDate) const
         return QDate(latestDate.year(), latestDate.month(), maxday);
       break;
     }
     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);
       }
       break;
     }
   }
@@ -3253,13 +3256,13 @@ QDate Recurrence::getLastDateInMonth(const QDate &latestDate) const
 /* From the recurrence yearly month list or yearly day list, get the earliest
  * month or day in the specified year which is >= the earliestDate.
  * Note that rYearNums is sorted in numerical order.
  */
 QDate Recurrence::getFirstDateInYear(const QDate &earliestDate) const
 {
-  QPtrListIterator<int> it(rYearNums);
+  Q3PtrListIterator<int> it(rYearNums);
   switch (recurs) {
     case rYearlyMonth: {
       int day = recurStart().date().day();
       int earliestYear  = earliestDate.year();
       int earliestMonth = earliestDate.month();
       int earliestDay   = earliestDate.day();
@@ -3289,22 +3292,22 @@ 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();
       for ( ;  it.current();  ++it) {
         int month = *it.current();
         if (month >= earliestMonth) {
           QDate monthBegin(earliestYear, month, 1);
           getMonthlyPosDays(dayList, monthBegin.daysInMonth(), monthBegin.dayOfWeek());
-          for (QValueList<int>::ConstIterator id = dayList.begin();  id != dayList.end();  ++id) {
+          for (Q3ValueList<int>::ConstIterator id = dayList.begin();  id != dayList.end();  ++id) {
             if (*id >= earliestDay)
               return monthBegin.addDays(*id - 1);
           }
           earliestDay = 1;
         }
       }
@@ -3326,13 +3329,13 @@ QDate Recurrence::getFirstDateInYear(const QDate &earliestDate) const
 /* From the recurrence yearly month list or yearly day list, get the latest
  * month or day in the specified year which is <= the latestDate.
  * Note that rYearNums is sorted in numerical order.
  */
 QDate Recurrence::getLastDateInYear(const QDate &latestDate) const
 {
-  QPtrListIterator<int> it(rYearNums);
+  Q3PtrListIterator<int> it(rYearNums);
   switch (recurs) {
     case rYearlyMonth: {
       int day = recurStart().date().day();
       int latestYear  = latestDate.year();
       int latestMonth = latestDate.month();
       if (latestDate.day() > day) {
@@ -3361,22 +3364,22 @@ 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();
       for (it.toLast();  it.current();  --it) {
         int month = *it.current();
         if (month <= latestMonth) {
           QDate monthBegin(latestYear, month, 1);
           getMonthlyPosDays(dayList, monthBegin.daysInMonth(), monthBegin.dayOfWeek());
-          for (QValueList<int>::ConstIterator id = dayList.fromLast();  id != dayList.end();  --id) {
+          for (Q3ValueList<int>::ConstIterator id = dayList.fromLast();  id != dayList.end();  --id) {
             if (*id <= latestDay)
               return monthBegin.addDays(*id - 1);
           }
           latestDay = 31;
         }
       }
diff --git a/libkcal/recurrence.h b/libkcal/recurrence.h
index b13d14f..5b5aab1 100644
--- a/libkcal/recurrence.h
+++ b/libkcal/recurrence.h
@@ -21,13 +21,15 @@
 */
 #ifndef KCAL_RECURRENCE_H
 #define KCAL_RECURRENCE_H
 
 #include <qstring.h>
 #include <qbitarray.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
+//Added by qt3to4:
+#include <Q3ValueList>
 
 namespace KCal {
 
 class Incidence;
 
 /**
@@ -245,15 +247,15 @@ class Recurrence
     void addMonthlyPos(short _rPos, const QBitArray &_rDays);
     /** Adds a position the the recursMonthlyDay list.
      * @var _rDay the date in the month to recur.
      */
     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
      * @var freq the frequency to recur, e.g. 3 for every third year.
      * @var duration the number of times the event is to occur, or -1 to recur indefinitely.
      */
@@ -276,29 +278,29 @@ class Recurrence
     /** Adds a position to the recursYearlyPos recurrence rule, if it is set.
      * N.B. addYearlyNum() must also be called to add recurrence months.
      * Parameters are the same as for addMonthlyPos().
      */
     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. */
     static void setFeb29YearlyTypeDefault(Feb29Type t)  { mFeb29YearlyDefaultType = t; }
     /** Returns the default method for handling yearly recurrences of February 29th. */
     static Feb29Type setFeb29YearlyTypeDefault()  { return mFeb29YearlyDefaultType; }
     void addYearlyMonth(short _rPos ); // added LR
     /**
       Debug output.
     */
     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 };
     struct MonthlyData;     friend struct MonthlyData;
     struct YearlyMonthData; friend struct YearlyMonthData;
     struct YearlyPosData;   friend struct YearlyPosData;
@@ -342,15 +344,15 @@ class Recurrence
     int  yearlyDayCalc(PeriodFunc, QDate &enddate) const;
     int  yearlyDayCalcEndDate(QDate& enddate, YearlyDayData&) const;
     int  yearlyDayCalcToDate(const QDate& enddate, YearlyDayData&) const;
     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;
     QDate getFirstDateInMonth(const QDate& earliestDate) const;
     QDate getLastDateInMonth(const QDate& latestDate) const;
     QDate getFirstDateInYear(const QDate& earliestDate) const;
@@ -363,19 +365,19 @@ class Recurrence
 
     short recurs;                        // should be one of the enums.
 
     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
 
     // one of the following must be specified
     int rDuration;                       // num times to recur (inc. first occurrence), -1 = infinite
diff --git a/libkcal/scheduler.cpp b/libkcal/scheduler.cpp
index 253d8b7..234cfcf 100644
--- a/libkcal/scheduler.cpp
+++ b/libkcal/scheduler.cpp
@@ -17,13 +17,15 @@
     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 
 #include <qdir.h>
 #include <qfile.h>
-#include <qtextstream.h>
+#include <q3textstream.h>
+//Added by qt3to4:
+#include <Q3PtrList>
 
 #include <klocale.h>
 #include <kdebug.h>
 #include <kstandarddirs.h>
 
 #include "event.h"
@@ -261,14 +263,14 @@ bool Scheduler::acceptReply(IncidenceBase *incidence,ScheduleMessage::Status sta
   bool ret = false;
   Event *ev = mCalendar->event(incidence->uid());
   Todo *to = mCalendar->todo(incidence->uid());
   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;
     Attendee *attEv;
     for ( attIn = attendeesIn.first(); attIn; attIn = attendeesIn.next() ) {
       for ( attEv = attendeesEv.first(); attEv; attEv = attendeesEv.next() ) {
@@ -339,17 +341,17 @@ bool Scheduler::acceptFreeBusy(IncidenceBase *incidence, Method method)
 
   freebusy->clearAttendees();
   freebusy->setOrganizer(from);
 
   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();
 
   deleteTransaction(incidence);
   return true;
 }
diff --git a/libkcal/scheduler.h b/libkcal/scheduler.h
index a9f43b9..357e98e 100644
--- a/libkcal/scheduler.h
+++ b/libkcal/scheduler.h
@@ -20,13 +20,13 @@
 #ifndef SCHEDULER_H
 #define SCHEDULER_H
 
 // iTIP transactions base class
 
 #include <qstring.h>
-#include <qptrlist.h>
+#include <q3ptrlist.h>
 
 namespace KCal {
 
 class IncidenceBase;
 class Event;
 class Calendar;
@@ -92,13 +92,13 @@ class Scheduler {
     virtual bool performTransaction(IncidenceBase *incidence,Method method) = 0;
     /** Perform iTIP transaction on incidence to specified recipient(s). The 
     method is specified as the method argumanet and can be any valid iTIP 
     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
       on which the transaction acts. The status is the result of processing a
       iTIP message with the current calendar and specifies the action to be
       taken for this incidence.
diff --git a/libkcal/sharpformat.cpp b/libkcal/sharpformat.cpp
index 9b757f7..b8c2aa7 100644
--- a/libkcal/sharpformat.cpp
+++ b/libkcal/sharpformat.cpp
@@ -19,18 +19,18 @@
     Boston, MA 02111-1307, USA.
 */
 
 #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>
 
 #include <kdebug.h>
 #include <klocale.h>
@@ -363,17 +363,17 @@ bool SharpFormat::load( Calendar *calendar, Calendar *existngCal )
         system (  command.latin1() );
     } else {
         fileName = "/tmp/events.txt";
         
     }  
     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();  
     status.setText(  i18n("Processing events ...") );
     status.raise();
     qApp->processEvents();
@@ -385,13 +385,13 @@ bool SharpFormat::load( Calendar *calendar, Calendar *existngCal )
         QString command = "db2file todo -r -c " + codec+ " > " + fileName;
         system (  command.latin1() );
     } else {
         fileName = "/tmp/todo.txt";
     } 
     file.setName( fileName );
-    if (!file.open( IO_ReadOnly ) ) {
+    if (!file.open( QIODevice::ReadOnly ) ) {
         return false;
         
     } 
     ts.setDevice( &file );
     text = ts.read();
     file.close();  
@@ -472,13 +472,13 @@ bool SharpFormat::save( Calendar *calendar)
     bool debug = DEBUGMODE;
     QString codec = "utf8";
     QString answer;
     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;
     QString changeString = ePrefix;
     QString  deleteString = ePrefix;
     bool deleteEnt = false;
@@ -500,31 +500,31 @@ bool SharpFormat::save( Calendar *calendar)
                 deleteEnt = true;
                 changeEnt = true;
                 }
             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();  
                 //command = "(echo \"" + ePrefix + eString + "\" ) | db2file datebook -w -g -c " + codec+ " > "+ fileName;
                 command = "(cat /tmp/kopitempin | db2file datebook -w -g -c " + codec+ ") > "+ fileName;
                 //qDebug("command ++++++++ ");
                 //qDebug("%s ",command.latin1());
                 //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();  
                 //qDebug("answer \n%s ", answer.latin1());
                 getNumFromRecord( answer, ev  ) ;
 
@@ -541,17 +541,17 @@ bool SharpFormat::save( Calendar *calendar)
     }
     status.setText ( i18n("Changing events ...") );
     qApp->processEvents();
     //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();
         command = "db2file datebook -w -g -c " + codec+ " < "+ fileName;
         system (  command.latin1() );
         //qDebug("command %s file :\n%s ", command.latin1(), changeString.latin1());
@@ -559,17 +559,17 @@ bool SharpFormat::save( Calendar *calendar)
     }
     status.setText ( i18n("Deleting events ...") );
     qApp->processEvents();
     //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();
         command = "db2file datebook -d -c " + codec+ " < "+ fileName;
         system ( command.latin1() );
         // qDebug("command %s file :\n%s ", command.latin1(), deleteString.latin1());
@@ -577,13 +577,13 @@ bool SharpFormat::save( Calendar *calendar)
 
 
     changeString = tPrefix;
     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 # ");
     procCount = 0;
     while ( to ) {
        if ( to->tempSyncStat() != SYNC_TEMPSTATE_NEW_EXTERNAL ) {
@@ -602,26 +602,26 @@ bool SharpFormat::save( Calendar *calendar)
             else  if ( to->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 << 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();  
                 //qDebug("answer \n%s ", answer.latin1());
                 getNumFromRecord( answer, to  ) ;
 
@@ -639,17 +639,17 @@ bool SharpFormat::save( Calendar *calendar)
     }
     status.setText ( i18n("Changing todos ...") );
     qApp->processEvents();
     //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();
         command = "db2file todo -w -g -c " + codec+ " < "+ fileName;
         system (  command.latin1() );
         //qDebug("command %s file :\n%s ", command.latin1(), changeString.latin1());
@@ -657,17 +657,17 @@ bool SharpFormat::save( Calendar *calendar)
     }
     status.setText ( i18n("Deleting todos ...") );
     qApp->processEvents();
     //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();
         command = "db2file todo -d -c " + codec+ " < "+ fileName;
         system ( command.latin1() );
         // qDebug("command %s file :\n%s ", command.latin1(), deleteString.latin1());
@@ -780,13 +780,13 @@ QString SharpFormat::getEventString( Event* event )
             list.append( "2" );
             list.append( QString::number( rec->frequency()) );//12
            
             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;
                 else
                     count = rmp.first()->rPos - 1;
                 list.append( QString::number( count ) );
diff --git a/libkcal/todo.cpp b/libkcal/todo.cpp
index cc1c5ae..5a0c32e 100644
--- a/libkcal/todo.cpp
+++ b/libkcal/todo.cpp
@@ -620,13 +620,13 @@ QDateTime Todo::getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_d
      int off = 0;
      QDateTime alarmStart = QDateTime::currentDateTime().addDays( 3650 );;
     //  if ( QDateTime::currentDateTime() > incidenceStart ){
 //          *ok = false;
 //          return incidenceStart;
 //      }
-     for (QPtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
+     for (Q3PtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
          if (alarm->enabled()) {
              if ( alarm->hasTime () ) {
                  if ( alarm->time() < alarmStart ) {
                      alarmStart = alarm->time();
                      enabled = true;
                      off = alarmStart.secsTo( incidenceStart );
diff --git a/libkcal/todo.h b/libkcal/todo.h
index 2131732..cea976c 100644
--- a/libkcal/todo.h
+++ b/libkcal/todo.h
@@ -23,12 +23,14 @@
 // Todo component, representing a VTODO object
 //
 
 #include "incidence.h"
 
 #include <qtimer.h>
+//Added by qt3to4:
+#include <Q3CString>
 
 namespace KCal {
 
 /**
   This class provides a Todo in the sense of RFC2445.
 */
@@ -37,13 +39,13 @@ namespace KCal {
  Q_OBJECT
   public:
     Todo();
     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. */
     Incidence *clone();
     QDateTime getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_dt ) const;
 
diff --git a/libkcal/vcaldrag.cpp b/libkcal/vcaldrag.cpp
index f01f332..324981e 100644
--- a/libkcal/vcaldrag.cpp
+++ b/libkcal/vcaldrag.cpp
@@ -23,13 +23,13 @@
 
 #include "vcalformat.h"
 
 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() );
 }
 
 bool VCalDrag::canDecode( QMimeSource *me )
diff --git a/libkcal/vcaldrag.h b/libkcal/vcaldrag.h
index 3048124..68a320d 100644
--- a/libkcal/vcaldrag.h
+++ b/libkcal/vcaldrag.h
@@ -19,21 +19,21 @@
     Boston, MA 02111-1307, USA.
 */
 
 #ifndef VCALDRAG_H
 #define VCALDRAG_H
 
-#include <qdragobject.h>
+#include <q3dragobject.h>
 
 
 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 );
     ~VCalDrag() {};
 
     /** Return, if drag&drop object can be decode to vCalendar. */
diff --git a/libkcal/vcalformat.cpp b/libkcal/vcalformat.cpp
index 2e19740..9cbaf16 100644
--- a/libkcal/vcalformat.cpp
+++ b/libkcal/vcalformat.cpp
@@ -19,17 +19,19 @@
     Boston, MA 02111-1307, USA.
 */
 
 #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>
 #include <kmessagebox.h>
 #include <kiconloader.h>
 #include <klocale.h>
@@ -105,21 +107,21 @@ bool VCalFormat::save(Calendar *calendar, const QString &fileName)
   tmpStr = mCalendar->getTimeZoneStr();
   //qDebug("mCalendar->getTimeZoneStr() %s",tmpStr.latin1() );
   addPropValue(vcal,VCTimeZoneProp, tmpStr.local8Bit());
   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);
     addVObjectProp(vcal, vo);
   }
 
@@ -135,13 +137,13 @@ bool VCalFormat::save(Calendar *calendar, const QString &fileName)
 }
 
 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;
 
   VObject *vcal = Parse_MIME( data.data(), data.size());
   if ( !vcal ) return false;
 
@@ -207,13 +209,13 @@ QString VCalFormat::toString( Calendar *calendar )
   addPropValue( vcal, VCProdIdProp, CalFormat::productId() );
   QString tmpStr = mCalendar->getTimeZoneStr();
   addPropValue( vcal, VCTimeZoneProp, tmpStr.local8Bit() );
   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;
 
   VObject *vevent = eventToVEvent( event );
 
   addVObjectProp( vcal, vevent );
@@ -268,14 +270,14 @@ VObject *VCalFormat::eventToVTodo(const Todo *anEvent)
   // organizer stuff
   tmpStr = "MAILTO:" + anEvent->organizer();
   addPropValue(vtodo, ICOrganizerProp, tmpStr.local8Bit());
 
   // 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) {
       curAttendee = ai.current();
       if (!curAttendee->email().isEmpty() &&
 	  !curAttendee->name().isEmpty())
@@ -323,13 +325,13 @@ VObject *VCalFormat::eventToVTodo(const Todo *anEvent)
 
   // priority
   tmpStr.sprintf("%i",anEvent->priority());
   addPropValue(vtodo, VCPriorityProp, tmpStr.local8Bit());
 
   // related event
-  if (anEvent->relatedToUid()) {
+  if (!anEvent->relatedToUid().isEmpty()) {
     addPropValue(vtodo, VCRelatedToProp,
                  anEvent->relatedToUid().local8Bit());
   }
 
   // categories
   QStringList tmpStrList = anEvent->categories();
@@ -352,13 +354,13 @@ VObject *VCalFormat::eventToVTodo(const Todo *anEvent)
     tmpStr.truncate(tmpStr.length()-1);
     addPropValue(vtodo, VCCategoriesProp, tmpStr.local8Bit());
   }
 
   // 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()) {
         VObject *a;
             tmpStr = qDateTimeToISO(alarm->time());
         if (alarm->type() == Alarm::Audio) {
@@ -430,14 +432,14 @@ VObject* VCalFormat::eventToVEvent(Event *anEvent)
 
   // attendee and organizer stuff
   tmpStr = "MAILTO:" + anEvent->organizer();
   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
     for (; ai.current(); ++ai) {
       curAttendee = ai.current();
       if (!curAttendee->email().isEmpty() &&
@@ -458,14 +460,14 @@ 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;
     int i;
 
     switch(anEvent->recurrence()->doesRecur()) {
@@ -542,13 +544,13 @@ VObject* VCalFormat::eventToVEvent(Event *anEvent)
     if (anEvent->recurrence()->duration() > 0) {
       tmpStr2.sprintf("#%i",anEvent->recurrence()->duration());
       tmpStr += tmpStr2;
     } 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());
 
   } // event repeats
 
   // exceptions to recurrence
@@ -622,24 +624,24 @@ VObject* VCalFormat::eventToVEvent(Event *anEvent)
     tmpStr.truncate(tmpStr.length()-1);
     addPropValue(vevent, VCCategoriesProp, tmpStr.local8Bit());
   }
 
   // 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());
 
   // resources
   tmpStrList = anEvent->resources();
   tmpStr = tmpStrList.join(";");
   if (!tmpStr.isEmpty())
     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()) {
           VObject *a ;
           tmpStr = qDateTimeToISO(alarm->time());
           if (alarm->type() == Alarm::Audio) {
@@ -669,13 +671,13 @@ VObject* VCalFormat::eventToVEvent(Event *anEvent)
 
   // transparency
   tmpStr.sprintf("%i",anEvent->transparency());
   addPropValue(vevent, VCTranspProp, tmpStr.local8Bit());
 
   // related event
-  if (anEvent->relatedToUid()) {
+  if (!anEvent->relatedToUid().isEmpty()) {
     addPropValue(vevent, VCRelatedToProp,
 	         anEvent->relatedToUid().local8Bit());
   }
 
   if (anEvent->pilotId()) {
     // pilot sync stuff
@@ -1405,26 +1407,26 @@ Event* VCalFormat::VEventToEvent(VObject *vevent)
 
 
 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());
   return tmpStr;
 
 }
 
 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",
 		   tmpDT.date().year(), tmpDT.date().month(),
 		   tmpDT.date().day(), tmpDT.time().hour(),
 		   tmpDT.time().minute(), tmpDT.time().second());
@@ -1451,14 +1453,14 @@ QDateTime VCalFormat::ISOToQDateTime(const QString & dtStr)
   hour = tmpStr.mid(9,2).toInt();
   minute = tmpStr.mid(11,2).toInt();
   second = tmpStr.mid(13,2).toInt();
   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')
     tmpDT = tmpDT.addSecs (KGlobal::locale()->localTimeOffset( tmpDT )*60);
   return tmpDT;
 }
@@ -1645,13 +1647,13 @@ Attendee::Role VCalFormat::readRole(const char *s) const
       role = Attendee::Chair;
   //  enum Role { ReqParticipant, OptParticipant, NonParticipant, Chair };
 
   return role;
 }
 
-QCString VCalFormat::writeRole(Attendee::Role role) const
+Q3CString VCalFormat::writeRole(Attendee::Role role) const
 {
     if ( role == Attendee::Chair )
         return "OWNER";
     return "ATTENDEE";
 }
 Attendee::PartStat VCalFormat::readStatus(const char *s) const
@@ -1683,13 +1685,13 @@ Attendee::PartStat VCalFormat::readStatus(const char *s) const
     status = Attendee::NeedsAction;
   }
 
   return status;
 }
 
-QCString VCalFormat::writeStatus(Attendee::PartStat status) const
+Q3CString VCalFormat::writeStatus(Attendee::PartStat status) const
 {
   switch(status) {
     default:
     case Attendee::NeedsAction:
       return "NEEDS ACTION";
       break;
diff --git a/libkcal/vcalformat.h b/libkcal/vcalformat.h
index 6dae3d2..cac9634 100644
--- a/libkcal/vcalformat.h
+++ b/libkcal/vcalformat.h
@@ -20,12 +20,15 @@
 */
 
 #ifndef _VCALFORMAT_H
 #define _VCALFORMAT_H
 
 #include "calformat.h"
+//Added by qt3to4:
+#include <Q3CString>
+#include <Q3PtrList>
 
 #define _VCAL_VERSION "1.0"
 
 class VObject;
 
 namespace KCal {
@@ -92,22 +95,22 @@ class VCalFormat : public CalFormat {
   
     /** takes a number 0 - 6 and returns the two letter string of that day,
       * i.e. MO, TU, WE, etc. */
     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
 };
 
 }
 
 #endif