4 files changed, 146 insertions, 28 deletions

diff --git a/korganizer/komonthview.cpp b/korganizer/komonthview.cpp
index 770a42b..6646b98 100644
--- a/korganizer/komonthview.cpp
+++ b/korganizer/komonthview.cpp
@@ -387,65 +387,66 @@ void MonthViewCell::keyPressEvent ( QKeyEvent * e )
 {
 
     e->ignore();
 
 }
 void MonthViewCell::clear()
 {
     mItemList->clear();
     QApplication::removePostedEvents ( mItemList ); 
     QApplication::removePostedEvents ( mLabel ); 
     QApplication::removePostedEvents ( this ); 
 }
-void MonthViewCell::updateCell()
+
+void MonthViewCell::startUpdateCell()
 {
+
     if ( !mMonthView->isUpdatePossible() )
         return;
     /*    
           if ( !isVisible() ){
           return;
           }
     */
     // qDebug("MonthViewCell::updateCell() ");
     setPrimary( mDate.month()%2 );
     setHoliday( KOGlobals::self()->calendarSystem()->dayOfWeek(mDate) == KOGlobals::self()->calendarSystem()->weekDayOfPray() || ( mDate.dayOfWeek() == 6 ) && KOPrefs::instance()-> mExcludeSaturdays);
     if ( mDate == QDate::currentDate()  ) {
         mItemList->setLineWidth( 3 );
     } else {
         mItemList->setLineWidth( 1 );
     }
     mItemList->clear();
 
 #ifdef DESKTOP_VERSION
     QToolTip::remove(this); 
 #endif
-    QString tipText(""); 
+    mToolTip = ""; 
     //qApp->processEvents();
     if ( !mHolidayString.isEmpty() ) {
         MonthViewItem *item = new MonthViewItem( 0, mDate, mHolidayString );
         item->setPalette( mHolidayPalette );
         mItemList->insertItem( item );
-        tipText += mHolidayString+"\n"; 
+        mToolTip += mHolidayString+"\n"; 
     }
-    //mLabel->setMaximumWidth( width() - mItemList->lineWidth()*2);
-    QPtrList<Event> events = mMonthView->calendar()->events( mDate, true );
-    Event *event;
-    for( event = events.first(); event; event = events.next() ) { // for event
+}
 
+void MonthViewCell::insertEvent(Event *event)
+{
         if ( !(event->doesRecur() == Recurrence::rNone) ) {
             if ( !KOPrefs::instance()->mMonthDailyRecur && event->doesRecur() == Recurrence::rDaily )
-                continue;
+                return;
             else
                 if ( !KOPrefs::instance()->mMonthWeeklyRecur && event->doesRecur() == Recurrence::rWeekly )
-                    continue;
+                    return;
         }
         
         if ( event->categories().contains("Holiday") ||
              event->categories().contains(i18n("Holiday"))) {
             setHoliday( true );
             if ( mDate.dayOfWeek() == 7 )
                 mItemList->setLineWidth( 3 );
         }
         QString text;
         if (event->isMultiDay()) {
             QString prefix = "<->";
             if ( event->doesRecur() ) {
@@ -456,34 +457,34 @@ void MonthViewCell::updateCell()
                     if ( event->recursOn( mDate.addDays( -days)) )
                         prefix ="<-" ;
                 } 
 
             } else {
                 if (mDate == event->dtStart().date()) {
                     prefix ="->" ;
                 } else if (mDate == event->dtEnd().date()) {
                     prefix ="<-" ;
                 }
             }
             text = prefix + event->summary();
-            tipText += text;
+            mToolTip += text;
         } else {
             if (event->doesFloat()) {
                 text = event->summary();
-                tipText += text;
+                mToolTip += text;
             }
             else {
                 text = KGlobal::locale()->formatTime(event->dtStart().time());
                 text += " " + event->summary();
-                tipText +=  KGlobal::locale()->formatTime(event->dtStart().time()) +"-"+KGlobal::locale()->formatTime(event->dtEnd().time())+" " + event->summary();
+                mToolTip +=  KGlobal::locale()->formatTime(event->dtStart().time()) +"-"+KGlobal::locale()->formatTime(event->dtEnd().time())+" " + event->summary();
             }
         }
 
         MonthViewItem *item = new MonthViewItem( event, mDate, text );
         QPalette pal;
         if (KOPrefs::instance()->mMonthViewUsesCategoryColor) {    
             QStringList categories = event->categories();
             QString cat = categories.first();
             if ( KOPrefs::instance()->mMonthViewUsesForegroundColor ) {
                 pal = getPalette();
                 if (cat.isEmpty()) {
                     pal.setColor(QColorGroup::Foreground,KOPrefs::instance()->mEventColor);
@@ -509,33 +510,29 @@ void MonthViewCell::updateCell()
 #ifdef DESKTOP_VERSION
         Attendee *me = event->attendeeByMails(KOPrefs::instance()->mAdditionalMails,
                                               KOPrefs::instance()->email());
         if ( me != 0 ) {
             if ( me->status() == Attendee::NeedsAction && me->RSVP())
                 item->setReply(true);
             else
                 item->setReply(false);
         } else
             item->setReply(false);
 #endif
         mItemList->insertItem( item );
-        tipText += "\n";
-       
-    }
-
-    // insert due todos
-    QPtrList<Todo> todos = mMonthView->calendar()->todos( mDate );
-    Todo *todo;
-    for(todo = todos.first(); todo; todo = todos.next()) {
-        QString text;
+        mToolTip += "\n";
+}
+void MonthViewCell::insertTodo(Todo *todo)
+{
+      QString text;
         if (todo->hasDueDate()) {
             if (!todo->doesFloat()) {
                 text += KGlobal::locale()->formatTime(todo->dtDue().time());
                 text += " ";
             }
         }
         text += i18n("To-Do: %1").arg(todo->summary());
 
         MonthViewItem *item = new MonthViewItem( todo, mDate, text );
         //item->setPalette( mStandardPalette );
         QPalette pal;
         if (KOPrefs::instance()->mMonthViewUsesCategoryColor) {    
@@ -553,53 +550,74 @@ void MonthViewCell::updateCell()
                 if (cat.isEmpty()) {
                     pal = QPalette(KOPrefs::instance()->mEventColor, KOPrefs::instance()->mEventColor);
                 } else {
                     pal = QPalette(*(KOPrefs::instance()->categoryColor(cat)), *(KOPrefs::instance()->categoryColor(cat)));
                 } 
             }
            
         } else {
             pal = mStandardPalette ;
         }
         item->setPalette( pal );
         mItemList->insertItem( item );
-        tipText += text+"\n"; 
-    }
+        mToolTip += text+"\n"; 
+}
+void MonthViewCell::finishUpdateCell()
+{
 #ifdef DESKTOP_VERSION
-    if (tipText != "")
-        QToolTip::add(this,tipText,toolTipGroup(),"");
+    if (mToolTip != "")
+        QToolTip::add(this,mToolTip,toolTipGroup(),"");
 #endif
  
     //setMyPalette(); 
     setMyPalette();
     QString text;
     bool smallDisplay = QApplication::desktop()->width() < 320 && KOPrefs::instance()->mMonthViewSatSunTog;
     if ( KOGlobals::self()->calendarSystem()->day( mDate ) == 1 || (mDate.dayOfWeek() == 7 && !smallDisplay ) || KOPrefs::instance()->mMonthShowShort) { 
         text = KOGlobals::self()->calendarSystem()->monthName( mDate, true ) + " ";
         mLabel->resize( mLabelBigSize  );
         text += QString::number( KOGlobals::self()->calendarSystem()->day(mDate) );
     } else {
         mLabel->resize( mLabelSize );
         text += QString::number( KOGlobals::self()->calendarSystem()->day(mDate) );
     }
     
     mLabel->setText( text );
     resizeEvent( 0 );
+}
+void MonthViewCell::updateCell()
+{
+    if ( !mMonthView->isUpdatePossible() )
+        return;
+    startUpdateCell();
+    //mLabel->setMaximumWidth( width() - mItemList->lineWidth()*2);
+    QPtrList<Event> events = mMonthView->calendar()->events( mDate, true );
+    Event *event;
+    for( event = events.first(); event; event = events.next() ) { // for event
+        insertEvent(event);
+    }
+    // insert due todos
+    QPtrList<Todo> todos = mMonthView->calendar()->todos( mDate );
+    Todo *todo;
+    for(todo = todos.first(); todo; todo = todos.next()) {
+        insertTodo( todo );
+    }
+    finishUpdateCell();
     // if ( isVisible())
     //qApp->processEvents();
 }
 
 void MonthViewCell::updateConfig()
 {
-
+    qDebug("MonthViewCell::updateConfig() ");
     setFont( KOPrefs::instance()->mMonthViewFont );
 
     QFontMetrics fm( font() );
     mLabelSize = fm.size( 0, "30" ) + QSize( 4, 2 );
     mLabelBigSize = fm.size( 0, "Mag 30" ) + QSize( 2, 2 );
     mHolidayPalette = mStandardPalette;
     mPrimaryPalette = mStandardPalette;
     mNonPrimaryPalette = mStandardPalette;
     if ( KOPrefs::instance()->mMonthViewUsesDayColors ) {
         mHolidayPalette.setColor(QColorGroup::Base, KOPrefs::instance()->mMonthViewHolidayColor  );
         mHolidayPalette.setColor(QColorGroup::Background, KOPrefs::instance()->mMonthViewHolidayColor  );
         mHolidayPalette.setColor(QColorGroup::Foreground,  KOPrefs::instance()->mMonthViewHolidayColor.dark());
@@ -949,34 +967,129 @@ void KOMonthView::showEvents(QPtrList<Event>)
 void KOMonthView::changeEventDisplay(Event *, int)
 {
     // this should be re-written to be much more efficient, but this
     // quick-and-dirty-hack gets the job done for right now.
     updateView();
 }
 
 void KOMonthView::updateView()
 { 
 
     if ( !updatePossible )
         return;
+    QTime ti;
+    ti.start();
+#if 1
+    int i;
+    for( i = 0; i < mCells.count(); ++i ) {
+        mCells[i]->startUpdateCell();
+    }
+ 
+    QPtrList<Event> events = calendar()->events();
+    Event *event;
+    QDateTime dt;
+    bool ok;
+    int timeSpan = mCells.size()-1;
+    QDate endDate =  mStartDate.addDays( timeSpan );
+    for( event = events.first(); event; event = events.next() ) { // for event
+        if ( event->doesRecur() ) {
+            bool last;
+            QDateTime incidenceStart = event->recurrence()->getPreviousDateTime( QDateTime( mStartDate ) , &last );
+            QDateTime incidenceEnd;
+            int eventlen = event->dtStart().date().daysTo ( event->dtEnd().date()  );
+            bool invalid = false;
+            while( true ) {
+                    if ( incidenceStart.isValid() ) {
+                        incidenceEnd = incidenceStart.addDays( eventlen );
+                        int st =   incidenceStart.date().daysTo( endDate );
+                        if ( st >= 0 ) { // start before timeend
+                            int end = mStartDate.daysTo( incidenceEnd.date() );
+                            if ( end >= 0 ) { // end after timestart --- got one!
+                                //normalize
+                                st =  timeSpan - st;
+                                if ( st < 0 ) st = 0;
+                                if ( end > timeSpan ) end = timeSpan;
+                                int iii;
+                                //qDebug("found %s %d %d ",event->summary().latin1(), st, end );
+                                for ( iii = st;iii<= end;++iii) 
+                                    mCells[iii]->insertEvent( event );
+                            }
+                        }
+                    } else {
+                        if ( invalid )
+                            break;
+                        invalid = true;
+                        //qDebug("invalid %s", event->summary().latin1());
+                        incidenceStart = QDateTime( mStartDate );
+                    }
+                    if ( last )
+                        break;
+                    bool ok;
+                    incidenceStart = event->getNextOccurence( incidenceStart.addSecs( 1 ) ,&ok );
+                    if ( ! ok )
+                        break;
+                    if ( incidenceStart.date() > endDate )
+                        break;
+            }
+        } else { // no recur 
+            int st =  event->dtStart().date().daysTo( endDate );
+            if ( st >= 0 ) { // start before timeend
+                int end = mStartDate.daysTo( event->dtEnd().date() );
+                if ( end >= 0 ) { // end after timestart --- got one!
+                    //normalize
+                    st =  timeSpan - st;
+                    if ( st < 0 ) st = 0;
+                    if ( end > timeSpan ) end = timeSpan;
+                    int iii;
+                    for ( iii = st;iii<= end;++iii)
+                        mCells[iii]->insertEvent( event );
+                }
+            }
+        }
+    }
+    // insert due todos
+    QPtrList<Todo> todos = calendar()->todos( );
+    Todo *todo;
+    for(todo = todos.first(); todo; todo = todos.next()) {
+        //insertTodo( todo );
+        if ( todo->hasDueDate() ) {
+            int day = mStartDate.daysTo( todo->dtDue().date() );
+            if ( day >= 0 && day < mCells.size() ) {
+                mCells[day]->insertTodo( todo );
+            }
+        }
+    }
+
+    for( i = 0; i < mCells.count(); ++i ) {
+        mCells[i]->finishUpdateCell();
+    }
+    processSelectionChange();
+    mCells[0]->setFocus();
+
+
+#else
+    // old code
     //qDebug("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ");
     int i;
     for( i = 0; i < mCells.count(); ++i ) {
         mCells[i]->updateCell();
     }
  
     //qDebug("KOMonthView::updateView() ");
     processSelectionChange();
     // qDebug("---------------------------------------------------------------------+ ");
     mCells[0]->setFocus();
+#endif
+
+    qDebug("update time %d ", ti.elapsed());
 }
 
 void KOMonthView::resizeEvent(QResizeEvent * e)
 {
     computeLayout();
     mCells[0]->setFocus();
 }
 void KOMonthView::computeLayout()
 {
     // select the appropriate heading string size. E.g. "Wednesday" or "Wed".
     // note this only changes the text if the requested size crosses the
     // threshold between big enough to support the full name and not big
diff --git a/korganizer/komonthview.h b/korganizer/komonthview.h
index 50903b3..b84065e 100644
--- a/korganizer/komonthview.h
+++ b/korganizer/komonthview.h
@@ -128,45 +128,50 @@ class MonthViewCell : public QWidget
     MonthViewCell( KOMonthView * );
 
     void setDate( const QDate & );
     QDate date() const;
 
     void setPrimary( bool );
     bool isPrimary() const;
 
     void setHoliday( bool );
     void setHoliday( const QString & );
 
     void updateCell();
+    void startUpdateCell();
+    void finishUpdateCell();
+    void insertEvent(Event *);
+    void insertTodo(Todo *);
 
     void updateConfig();
 
     void enableScrollBars( bool );
 
     Incidence *selectedIncidence();
     QDate selectedIncidenceDate();
 
     void deselect();
     void select();
     void clear();
 
 #ifdef DESKTOP_VERSION
     static QToolTipGroup *toolTipGroup(); 
 #endif
   signals:
     void defaultAction( Incidence * );
     void newEventSignal( QDateTime );
     void showDaySignal( QDate );
     
   protected:
+    QString mToolTip;
     void resizeEvent( QResizeEvent * );
 
   protected slots:
     void defaultAction( QListBoxItem * );
     void contextMenu( QListBoxItem * );
     void selection( QListBoxItem * );
     void cellClicked( QListBoxItem * );
     void newEvent();
     void showDay();
     
   private:
     KOMonthView *mMonthView;
diff --git a/libkcal/calendarlocal.cpp b/libkcal/calendarlocal.cpp
index 0eba6a9..e75154b 100644
--- a/libkcal/calendarlocal.cpp
+++ b/libkcal/calendarlocal.cpp
@@ -578,24 +578,25 @@ QPtrList<Event> CalendarLocal::rawEventsForDate( const QDate &qd, bool sorted )
       i++;
       sortEvent = eventListSorted.next();
     }
     eventListSorted.insert( i, event );
   }
   return eventListSorted;
 }
 
 
 QPtrList<Event> CalendarLocal::rawEvents( const QDate &start, const QDate &end,
                                           bool inclusive )
 {
+    qDebug("CalendarLocal::rawEvents called ");
   Event *event = 0;
 
   QPtrList<Event> eventList;
 
   // Get non-recurring events
   for( event = mEventList.first(); event; event = mEventList.next() ) {
     if ( event->doesRecur() ) {
       QDate rStart = event->dtStart().date();
       bool found = false;
       if ( inclusive ) {
         if ( rStart >= start && rStart <= end ) {
           // Start date of event is in range. Now check for end date.
diff --git a/libkcal/incidence.cpp b/libkcal/incidence.cpp
index 28402ae..f9e1e9e 100644
--- a/libkcal/incidence.cpp
+++ b/libkcal/incidence.cpp
@@ -583,35 +583,34 @@ QDateTime Incidence::getNextOccurence( const QDateTime& dt, bool* ok ) const
          if ( !last ) {
              while ( !last ) {
                  ++count;
                  incidenceStart = recurrence()->getNextDateTime( incidenceStart, &last );
                  if ( recursOn( incidenceStart.date() ) ) {
                      last = true; // exit while llop
                  } else {
                      if ( last ) { // no alarm on last recurrence
                          return QDateTime ();
                      }
                      int year = incidenceStart.date().year();
                      // workaround for bug in recurrence
-                     if ( count == 100 || year < 1980 || year > 5000 ) {
+                     if ( count == 100 || year < 1000 || year > 5000 ) {
                          return QDateTime ();
                      }
                      incidenceStart = incidenceStart.addSecs( 1 );
                  }
              }
          } else {
              return QDateTime ();
          }
     } else {
         if ( hasStartDate () ) {
             incidenceStart = dtStart(); 
         }
         if ( type() =="Todo" ) {
             if ( ((Todo*)this)->hasDueDate() )
                 incidenceStart = ((Todo*)this)->dtDue();
-
         }
     }
     if ( incidenceStart > dt )
         *ok = true;
     return incidenceStart;
 }