list sort fix

6 files changed, 40 insertions, 25 deletions

diff --git a/korganizer/kolistview.cpp b/korganizer/kolistview.cpp
index b236c2d..4fc1194 100644
--- a/korganizer/kolistview.cpp
+++ b/korganizer/kolistview.cpp
@@ -1,451 +1,444 @@
 /*
     This file is part of KOrganizer.
     Copyright (c) 1999 Preston Brown
     Copyright (c) 2000,2001 Cornelius Schumacher <schumacher@kde.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
     As a special exception, permission is given to link this program
     with any edition of Qt, and distribute the resulting executable,
     without including the source code for Qt in the source distribution.
 */
 
 #include <qlistview.h>
 #include <qlayout.h>
 #include <qlabel.h>
 #include <qpopupmenu.h>
 #include <qprogressbar.h>
 #include <qfileinfo.h>
 #include <qmessagebox.h>
 #include <qdialog.h>
 #include <qtextstream.h>
 #include <qdir.h>
 #include <qwhatsthis.h>
 #include <qregexp.h>
 #include <qpainter.h>
 #include <qpaintdevicemetrics.h>
 
 #include <klocale.h>
 #include <kdebug.h>
 #include <kiconloader.h>
 #include <kglobal.h>
 
 #include <libkdepim/kpimglobalprefs.h>
 #include <libkcal/calendar.h>
 #include <libkcal/calendarlocal.h>
 #include <libkcal/icalformat.h>
 #include <libkcal/vcalformat.h>
 #include <libkcal/recurrence.h>
 #include <libkcal/filestorage.h>
 #include <libkdepim/categoryselectdialog.h>
 #include <libkcal/kincidenceformatter.h>
 #ifndef DESKTOP_VERSION
 #include <qpe/qpeapplication.h>
 #else
 #include <qapplication.h>
 #endif
 
 #ifndef KORG_NOPRINTER
 #include "calprinter.h"
 #endif
 #include "koglobals.h"
 #include "koprefs.h"
 #include "kfiledialog.h"
 
 #include "kolistview.h"
 #include "koeventviewer.h"
 
 extern QPixmap* sgListViewCompletedPix[6];
 extern QPixmap* sgListViewJournalPix;
 
 class KOListViewWhatsThis :public QWhatsThis
 {
 public:
   KOListViewWhatsThis( QWidget *wid, KOListView* view ) : QWhatsThis( wid ), _wid(wid),_view (view) { };
 
 protected:
   virtual QString text( const QPoint& p)
   {
     return _view->getWhatsThisText(p) ;
   }
 private:
   QWidget* _wid;
   KOListView * _view;
 };
 
 
 ListItemVisitor::ListItemVisitor(KOListViewItem *item, QDate date )
 {
     mItem = item;
     mDate = date;
 }
 
 ListItemVisitor::~ListItemVisitor()
 {
 }
 
 bool ListItemVisitor::visit(Event *e)
 {
     bool ok = false;
     QString start, end;
     QDate ds, de;
     if ( e->doesRecur() ) {
         ds = e->getNextOccurence( QDateTime( mDate, QTime(0,0,0)), &ok ).date();
         if ( ok ) {
             int days = e->dtStart().date().daysTo(e->dtEnd().date() );
             start = KGlobal::locale()->formatDate(ds,true);
             de = ds.addDays( days);
             end = KGlobal::locale()->formatDate(de,true);
         }
 
     } 
     if ( ! ok ) {
         start =e->dtStartDateStr();
         end = e->dtEndDateStr();
         ds = e->dtStart().date();
         de = e->dtEnd().date();
     }
     mItem->setText(0,e->summary());
     mItem->setText(1,start);
     if ( e->doesFloat() )
         mItem->setText(2,"---");
     else
         mItem->setText(2,e->dtStartTimeStr());
     mItem->setText(3,end);
     if ( e->doesFloat() )
         mItem->setText(4,"---");
     else
         mItem->setText(4,e->dtEndTimeStr());
     mItem->setText(5, e->durationText());
     if ( e->isAlarmEnabled() ) {
         mItem->setText(6,e->alarms().first()->offsetText() );
     } else {
         mItem->setText(6, i18n("No"));
     }
     mItem->setText(7, e->recurrenceText());
     if( ! e->doesRecur() )
         mItem->setSortKey( 7, "-" );
     mItem->setText(8, e->cancelled() ? i18n("Yes") : i18n("No"));
     mItem->setText(9,e->categoriesStr());
     mItem->setText(10, KOPrefs::instance()->calName( e->calID() ));
     mItem->setText(11, KGlobal::locale()->formatDateTime( e->lastModified(), true, true ));
+    mItem->setSortKey(11,e->lastModifiedSortKey());
 
     QString key; 
-    QDate d = e->lastModified().date();
-    QTime t = e->lastModified().time();
-    key.sprintf("%04d%02d%02d%02d%02d%02d",d.year(),d.month(),d.day(),t.hour(),t.minute(),t.second() );
-    mItem->setSortKey(12,key);
+    QTime t;
     t = e->doesFloat() ? QTime(0,0) : e->dtStart().time();
     key.sprintf("%04d%02d%02d%02d%02d",ds.year(),ds.month(),ds.day(),t.hour(),t.minute());
     mItem->setSortKey(1,key);
 
     t = e->doesFloat() ? QTime(0,0) : e->dtEnd().time();
     key.sprintf("%04d%02d%02d%02d%02d",de.year(),de.month(),de.day(),t.hour(),t.minute());
     mItem->setSortKey(3,key);
     return true;
 }
 
 bool ListItemVisitor::visit(Todo *t)
 {
     mItem->setText(0,t->summary());
     if ( t->isCompleted() ) {
         mItem->setSortKey(0,"99"+ t->summary().left(10));
     } else 
         mItem->setSortKey(0,QString::number( t->percentComplete()+1 )+ t->summary().left(10));
     mItem->setPixmap( 0, *(sgListViewCompletedPix[t->percentComplete()/20]));
     if (t->hasStartDate()) {
         mItem->setText(1,t->dtStartDateStr());
         if (t->doesFloat()) {
             mItem->setText(2,"---");
         } else {
             mItem->setText(2,t->dtStartTimeStr());
         }
     } else {
         mItem->setText(1,"---");
         mItem->setText(2,"---");
     }
     if ( t->isAlarmEnabled() ) {
         mItem->setText(6,t->alarms().first()->offsetText() );
     } else {
         mItem->setText(6, i18n("No"));
     }
     mItem->setText(7, t->recurrenceText());
     if( ! t->doesRecur() )
         mItem->setSortKey( 7, "-" );
     if (t->hasDueDate()) {
         mItem->setText(3,t->dtDueDateStr());
         if (t->doesFloat()) {
             mItem->setText(4,"---");
         } else {
             mItem->setText(4,t->dtDueTimeStr());
         }
     } else {
         mItem->setText(3,"---");
         mItem->setText(4,"---");
     }
     mItem->setText(5, t->durationText());
     mItem->setText(8, t->cancelled() ? i18n("Yes") : i18n("No"));
     mItem->setText(9,t->categoriesStr());
     mItem->setText(10, KOPrefs::instance()->calName( t->calID() ));
     mItem->setText(11, KGlobal::locale()->formatDateTime( t->lastModified(), true, true ));
+    mItem->setSortKey(11,t->lastModifiedSortKey());
     QString key;
-    QDate d = t->lastModified().date();
-    QTime tm = t->lastModified().time();
-    key.sprintf("%04d%02d%02d%02d%02d%02d",d.year(),d.month(),d.day(),tm.hour(),tm.minute(),tm.second() );
-    mItem->setSortKey(11,key);
+    QDate d;
+    QTime tm;
     if (t->hasDueDate()) {
         d = t->dtDue().date();
         tm = t->doesFloat() ? QTime(0,0) : t->dtDue().time();
         key.sprintf("%04d%02d%02d%02d%02d",d.year(),d.month(),d.day(),tm.hour(),tm.minute());
         mItem->setSortKey(3,key);
     }
     if ( t->hasStartDate() ) {
         d = t->dtStart().date();
         tm = t->doesFloat() ? QTime(0,0) : t->dtStart().time();
         key.sprintf("%04d%02d%02d%02d%02d",d.year(),d.month(),d.day(),tm.hour(),tm.minute());
         mItem->setSortKey(1,key);
     }
     return true;
 }
 
 bool ListItemVisitor::visit(Journal * j)
 { 
     
     QString des;
     mItem->setPixmap( 0, *sgListViewJournalPix);
     if ( !j->summary().isEmpty() ) {
         des = j->summary();
     } else {
         des = j->description().left(30);
         des = des.simplifyWhiteSpace ();
         des.replace (QRegExp ("\\n"),"" );
         des.replace (QRegExp ("\\r"),"" );
     }
     mItem->setText(0,des.left(25));
     mItem->setSortKey(0,"0"+ des.left(25));
     mItem->setText(1,j->dtStartDateStr());
     mItem->setText(2,"---");
     mItem->setText(3,"---");
     mItem->setText(4,"---");
     mItem->setText(5,"---");
     mItem->setText(6,"---");
     mItem->setText(7,"---");
     mItem->setText(8,"---");
     mItem->setText(9,j->categoriesStr());
     mItem->setText(10, KOPrefs::instance()->calName( j->calID() ));
     mItem->setText(11, KGlobal::locale()->formatDateTime( j->lastModified(), true, true ));
+    mItem->setSortKey(11,j->lastModifiedSortKey());
 
     QString key; 
-    QDate d = j->lastModified().date();
-    QTime tm = j->lastModified().time();
-    key.sprintf("%04d%02d%02d%02d%02d%02d",d.year(),d.month(),d.day(),tm.hour(),tm.minute(),tm.second() );
-    mItem->setSortKey(12,key);
+    QDate d;
     d = j->dtStart().date();
     key.sprintf("%04d%02d%02d",d.year(),d.month(),d.day());
     mItem->setSortKey(1,key);
-    mItem->setSortKey(7,key);
-
     return true;
 }
 
 KOListView::KOListView(Calendar *calendar, QWidget *parent,
                        const char *name)
     : KOEventView(calendar, parent, name)
 {
     
     mActiveItem = 0;
     mForceShowCompletedTodos = false;
     mListView = new KOListViewListView(this);
     mListView->addColumn(i18n("Summary"));
     mListView->addColumn(i18n("Start Date"));
     mListView->addColumn(i18n("Start Time"));
     mListView->addColumn(i18n("End/Due Date"));
     mListView->addColumn(i18n("End/Due Time"));
     mListView->addColumn(i18n("Duration"));
     mListView->addColumn(i18n("Alarm")); // alarm set?
     mListView->addColumn(i18n("Recurs")); // recurs?
     mListView->addColumn(i18n("Cancelled"));
     mListView->addColumn(i18n("Categories"));
     mListView->addColumn(i18n("Calendar"));
     mListView->addColumn(i18n("Last Modified"));
 
     mListView->setColumnAlignment(0,AlignLeft);
     mListView->setColumnAlignment(1,AlignLeft);
     mListView->setColumnAlignment(2,AlignHCenter);
     mListView->setColumnAlignment(3,AlignLeft);
     mListView->setColumnAlignment(4,AlignHCenter);
     mListView->setColumnAlignment(5,AlignLeft);
     mListView->setColumnAlignment(6,AlignLeft);
     mListView->setColumnAlignment(7,AlignLeft);
     mListView->setColumnAlignment(8,AlignLeft);
     mListView->setColumnAlignment(9,AlignLeft);
     mListView->setColumnAlignment(10,AlignLeft);
     mListView->setColumnAlignment(11,AlignLeft);
     mKOListViewWhatsThis = new KOListViewWhatsThis(mListView->viewport(),this);
 
     int iii = 0;
     for ( iii = 0; iii< 12 ; ++iii )
         mListView->setColumnWidthMode( iii, QListView::Manual );
 
     QBoxLayout *layoutTop = new QVBoxLayout(this);
     layoutTop->addWidget(mListView);
     mListView->setFont ( KOPrefs::instance()->mListViewFont );
     mPopupMenu = eventPopup();
     QPopupMenu* selPopup = new QPopupMenu ( this );
     mPopupMenu->insertSeparator();
     
     selPopup->insertItem(i18n("All"),this,
                                   SLOT(allSelection()));
     selPopup->insertItem(i18n("None"),this,
                                   SLOT(clearSelection()));
     selPopup->insertItem(i18n("Delete selected..."),this,
                                   SLOT(deleteAll()));
     mPopupMenu->insertItem(i18n("Selection"), selPopup );
     mPopupMenu->addAdditionalItem(QIconSet(QPixmap()),
                                   i18n("Hide all selected"),this,
                                   SLOT(hideAll()),true);
 
     selPopup->insertSeparator();
     QPopupMenu * exportPO = new QPopupMenu ( this );
     selPopup->insertItem( i18n("Export"),  exportPO );
 #ifdef DESKTOP_VERSION
     mPopupMenu->insertSeparator();
     mPopupMenu->addAdditionalItem(QIconSet(QPixmap()),
                                   i18n("Print complete list..."),this,
                                   SLOT(printList()),true);
 #endif
     mCalPopup = new QPopupMenu ( this );
     selPopup->insertItem( i18n("Set Calendar"),  mCalPopup );
 
     selPopup->insertItem(i18n("Set categories")+"...",this,
                          SLOT(setCat()) );
     selPopup->insertItem( i18n("Set alarm..."),this,
                           SLOT(setAlarm()));
 #if 0
     mPopupMenu->addAdditionalItem(QIconSet(QPixmap()),
                                   i18n("Set categories")+"...",this,
                                   SLOT(setCat()),true);
     mPopupMenu->addAdditionalItem(QIconSet(QPixmap()),
                                   i18n("Set alarm..."),this,
                                   SLOT(setAlarm()),true); 
 #endif
     QObject::connect(mCalPopup,SIGNAL(aboutToShow()),this,
                      SLOT( populateCalPopup() ));
     QObject::connect(mCalPopup,SIGNAL(activated( int )),this,
                      SLOT( setCalendar( int ) ));
     QObject::connect(mPopupMenu,SIGNAL(categoryChanged( Incidence * )),this,
                      SLOT( catChanged( Incidence * ) ));
     exportPO->insertItem( i18n("As iCal (ics) file..."),this,
                                   SLOT(saveToFile()));
     exportPO->insertItem( i18n("As vCal (vcs) file..."),this,
                                   SLOT(saveToFileVCS()));
     exportPO->insertItem( i18n("Journal/Details..."),this,
                                   SLOT(saveDescriptionToFile()));
     // mPopupMenu->insertSeparator();
     // mPopupMenu->addAdditionalItem(QIconSet(QPixmap()),
     //                            i18n("Add Categ. to selected..."),this,
     //                            SLOT(addCat()),true);
     //mPopupMenu->insertSeparator();
 #ifndef DESKTOP_VERSION
     selPopup->insertSeparator();
     selPopup->insertItem( i18n("Beam via IR..."),this,
                           SLOT(beamSelected()));
 #if 0
     mPopupMenu->addAdditionalItem(QIconSet(QPixmap()),
                                   i18n("Beam via IR"),this,
                                   SLOT(beamSelected()),true);
 #endif
 #endif
     /*
       mPopupMenu = new QPopupMenu;
       mPopupMenu->insertItem(i18n("Edit Event"), this,
       SLOT (editEvent()));
       mPopupMenu->insertItem(SmallIcon("delete"), i18n("Delete Event"), this,
       SLOT (deleteEvent()));
       mPopupMenu->insertSeparator();
       mPopupMenu->insertItem(i18n("Show Dates"), this,
       SLOT(showDates()));
       mPopupMenu->insertItem(i18n("Hide Dates"), this,
       SLOT(hideDates()));
     */
     QObject::connect(mListView,SIGNAL( newEvent()),
                      this,SIGNAL(signalNewEvent()));
     QObject::connect(mListView,SIGNAL(doubleClicked(QListViewItem *)),
                      this,SLOT(defaultItemAction(QListViewItem *)));
     QObject::connect(mListView,SIGNAL(rightButtonPressed( QListViewItem *,
                                                            const QPoint &, int )),
                      this,SLOT(popupMenu(QListViewItem *,const QPoint &,int)));
     QObject::connect(mListView,SIGNAL(currentChanged(QListViewItem *)),
                      SLOT(processSelectionChange(QListViewItem *)));
     QObject::connect(mListView,SIGNAL(showIncidence(Incidence *)),
                      SIGNAL(showIncidenceSignal(Incidence *)) );
 
     readSettings(KOGlobals::config(),"KOListView Layout");
 }
 
 KOListView::~KOListView()
 {
     delete mPopupMenu;
 #if QT_VERSION >= 0x030000
 
 #else
     delete mKOListViewWhatsThis;
 #endif 
 }
 
 void KOListView::catChanged( Incidence* inc)
 {
     KOListViewItem* item = getItemForEvent(inc);
     if (item) { 
         ListItemVisitor v(item, mStartDate );
         inc->accept(v);
     }
 }
 QString KOListView::getWhatsThisText(QPoint p)
 {
     KOListViewItem* item = ( KOListViewItem* ) mListView->itemAt( p );
     if ( item )
         return KIncidenceFormatter::instance()->getFormattedText( item->data(),
                                                                   KOPrefs::instance()->mWTshowDetails,
                                                                   KOPrefs::instance()->mWTshowCreated,
                                                                   KOPrefs::instance()->mWTshowChanged);
     return i18n("That is the list view" );
 
 }
 
 void KOListView::setCalendar( int c )
 {
     int result = QMessageBox::warning( this, i18n("KO/Pi: Information!"),
                                        i18n("This adds the selected\nitems to the calendar\n%1\nand removes them from\ntheir current calendar!").arg( KOPrefs::instance()->calName( c ) ),
                                        i18n("Continue"), i18n("Cancel"), 0,
                                        0, 1 );
     if ( result != 0 ) {
         return;
     }
     
     QPtrList<Incidence> delSel = getSelectedIncidences() ;
     int icount = delSel.count();
     if ( icount ) {
         Incidence *incidence = delSel.first();
         while ( incidence ) {
             incidence->setCalID( c );
             KOListViewItem * item = getItemForEvent( incidence );
             if ( item ) {
                 ListItemVisitor v(item, mStartDate );
                 incidence->accept(v);
             }
             incidence = delSel.next();
         }
     }
diff --git a/korganizer/kotodoviewitem.cpp b/korganizer/kotodoviewitem.cpp
index bdef94c..848e9e7 100644
--- a/korganizer/kotodoviewitem.cpp
+++ b/korganizer/kotodoviewitem.cpp
@@ -1,366 +1,360 @@
 /*
     This file is part of KOrganizer.
     Copyright (c) 2000,2001 Cornelius Schumacher <schumacher@kde.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
 #include <klocale.h>
 #include <kdebug.h>
 #include <qapp.h>
 #include <kglobal.h>
 
 #include <kiconloader.h>
 #include "kotodoviewitem.h"
 #include "kotodoview.h"
 #include "koprefs.h"
 
 KOTodoViewItem::KOTodoViewItem( QListView *parent, Todo *todo, KOTodoView *kotodo)
   : QCheckListItem( parent , "", CheckBox ), mTodo( todo ), mTodoView( kotodo )
 {
   construct();
 }
 
 KOTodoViewItem::KOTodoViewItem( KOTodoViewItem *parent, Todo *todo, KOTodoView *kotodo )
   : QCheckListItem( parent, "", CheckBox ), mTodo( todo ), mTodoView( kotodo )
 {  
   construct();
 }
 
 QString KOTodoViewItem::key(int column,bool) const
 {
   QMap<int,QString>::ConstIterator it = mKeyMap.find(column);
   if (it == mKeyMap.end()) {
       return text(column).lower();
   } else {
     return *it;
   }
 }
 
 void KOTodoViewItem:: setup()
 {
    
      int h = 20;
      if ( listView () ) {
          QFontMetrics fm ( listView ()->font () );
          h = fm.height();
      }
      setHeight( h );
 
 }
 void KOTodoViewItem::setSortKey(int column,const QString &key)
 {
   mKeyMap.insert(column,key);
 }
 
 #if QT_VERSION >= 0x030000
 void KOTodoViewItem::paintBranches(QPainter *p,const QColorGroup & cg,int w,
                                    int y,int h)
 {
   QListViewItem::paintBranches(p,cg,w,y,h);
 }
 #else
 #endif
 
 void KOTodoViewItem::construct()
 {
     //  qDebug("KOTodoViewItem::construct() ");
   m_init = true;
   QString keyd = "==";
   QString keyt = "==";
   QString skeyd = "==";
   QString skeyt = "==";
 
   setOn(mTodo->isCompleted());
   setText(0,mTodo->summary());
   setText(1,QString::number(mTodo->priority()));
   setText(2,i18n("%1 %").arg(QString::number(mTodo->percentComplete())));
   if (mTodo->percentComplete()<100) {
     if (mTodo->isCompleted()) setSortKey(2,QString::number(999));
     else setSortKey(2,QString::number(mTodo->percentComplete()));
   }
   else {
     if (mTodo->isCompleted()) setSortKey(2,QString::number(999));
     else setSortKey(2,QString::number(99));
   }
   if (mTodo->hasDueDate()) {
     setText(3, mTodo->dtDueDateStr());
     QDate d = mTodo->dtDue().date();
     keyd.sprintf("%04d%02d%02d",d.year(),d.month(),d.day());
     // setSortKey(3,keyd);
     if (mTodo->doesFloat()) {
       setText(4,"");
     }
     else {
       setText(4,mTodo->dtDueTimeStr());
       QTime t = mTodo->dtDue().time();
       keyt.sprintf("%02d%02d",t.hour(),t.minute());
       //setSortKey(4,keyt);
     }
   } else {
     setText(3,"");
     setText(4,"");
   }
   setSortKey(3,keyd);
   setSortKey(4,keyt);
 
   if (mTodo->isCompleted()) setSortKey(1,"6" + QString::number(mTodo->priority())+keyd+keyt);
   else setSortKey(1,QString::number(mTodo->priority())+keyd+keyt);
 
-
-
   keyd = "";
   keyt = "";
 
   if (mTodo->isRunning() ) {
       QDate d = mTodo->runStart().date();
       QTime t = mTodo->runStart().time();
       skeyt.sprintf("%02d%02d",t.hour(),t.minute());
       skeyd.sprintf("%04d%02d%02d",d.year(),d.month(),d.day());
       keyd = KGlobal::locale()->formatDate( d , true);
       keyt = KGlobal::locale()->formatTime( t );
 
   } else {
 
       if (mTodo->hasStartDate()) {
           keyd = mTodo->dtStartDateStr();
           QDate d = mTodo->dtStart().date();
           skeyd.sprintf("%04d%02d%02d",d.year(),d.month(),d.day());
     
           if ( !mTodo->doesFloat()) {
               keyt = mTodo->dtStartTimeStr();
               QTime t = mTodo->dtStart().time();
               skeyt.sprintf("%02d%02d",t.hour(),t.minute());
       
           }
       
       }
   }
   setText(5,keyd);
   setText(6,keyt);
   setSortKey(5,skeyd);
   setSortKey(6,skeyt);
 
   //setText(7,mTodo->cancelled() ? i18n("Yes") : i18n("No"));
   setText(7,mTodo->categoriesStr());
   setText(8,KOPrefs::instance()->calName( mTodo->calID()));
   setText(9, KGlobal::locale()->formatDateTime( mTodo->lastModified(), true, true ));
   setText(10, KGlobal::locale()->formatDateTime( mTodo->created(), true, true ));
   setText(11, KGlobal::locale()->formatDateTime( mTodo->lastModifiedSub(), true, true ));
   QString key; 
-  QDate d = mTodo->lastModified().date();
-  QTime t = mTodo->lastModified().time();
-  key.sprintf("%04d%02d%02d%02d%02d%02d",d.year(),d.month(),d.day(),t.hour(),t.minute(),t.second() );
-  setSortKey(9,key);
+  QDate d;
+  QTime t;
+  setSortKey(9,mTodo->lastModifiedSortKey());
   d = mTodo->created().date();
   t = mTodo->created().time();
   key.sprintf("%04d%02d%02d%02d%02d%02d",d.year(),d.month(),d.day(),t.hour(),t.minute(),t.second() );
   setSortKey(10,key);
-  d = mTodo->lastModifiedSub().date();
-  t = mTodo->lastModifiedSub().time();
-  key.sprintf("%04d%02d%02d%02d%02d%02d",d.year(),d.month(),d.day(),t.hour(),t.minute(),t.second() );
-  setSortKey(11,key);
+  setSortKey(11,mTodo->lastModifiedSubSortKey());
   
 #if 0
   // Find sort id in description. It's the text behind the last '#' character
   // found in the description. White spaces are removed from beginning and end
   // of sort id.
   int pos = mTodo->description().findRev('#');
   if (pos < 0) {
     setText(6,"");
   } else {
     QString str = mTodo->description().mid(pos+1);
     str.stripWhiteSpace();
     setText(6,str);
   }
 #endif
 
   m_known = false;
   m_init = false; 
 
   setMyPixmap();
 
 }
 void KOTodoViewItem::setMyPixmap()
 {
   int size = 5;
   QPixmap pixi =  QPixmap( 1, 1 );
   // if ( !mTodo->isCompleted() &&  mTodo->hasDueDate() && mTodo->dtDue() < QDateTime::currentDateTime() ) {
 //       pixi = SmallIcon("redcross16"); 
 //   } else {
       QPainter p;
  
   int pixSize = 0;
   QPixmap pPix =  QPixmap(  size, size );
   if ( mTodo->description().length() > 0 ) {
       pixi.resize(size, pixSize+size);
       pPix.fill( Qt::darkGreen );
       p.begin( &pixi );
       p. drawPixmap ( 0, pixSize, pPix);
       p.end();
       pixSize += size;
   } 
   if ( mTodo->isAlarmEnabled() && mTodo->alarmEnabled()) {
       pixi.resize(size, pixSize+size);
       pPix.fill( Qt::red );
       p.begin( &pixi );
       p. drawPixmap ( 0, pixSize, pPix);
       p.end();
       pixSize += size;
   }  
   if ( mTodo->doesRecur() ) {
       pixi.resize(size, pixSize+size);
       pPix.fill( Qt::blue );
       p.begin( &pixi );
       p. drawPixmap ( 0, pixSize, pPix);
       p.end();
       pixSize += size;
   } 
   //   }
   if ( pixi.width() > 1 ) {
       setPixmap ( 0,pixi ) ; 
   } else {
       setPixmap ( 0,QPixmap() ) ; 
   }
 }
 void KOTodoViewItem::stateChange(bool state)
 {
     // qDebug("KOTodoViewItem::stateChange %d ", state);
   // do not change setting on startup
   if ( m_init ) return;
   if (isOn()!=state) {
       setOn(state);
       //qDebug("SETON ");
       return;
   }
   if ( mTodo->isCompleted() == state ) {
       //qDebug("STATECHANGE:nothing to do ");
       return;
   }
   QString keyd = "==";
   QString keyt = "==";
   //qDebug("KOTodoViewItem::stateChange %s ", text(0).latin1());
   if ( mTodo->doesRecur()  ){
       QDateTime start = mTodo->dtStart();
       mTodo->setCompleted(state);
       if ( start != mTodo->dtStart() ) {
           if ( state  && !mTodo->isCompleted() ) {
               setOn( false );
               state = false;
           }
       }
   } else
       mTodo->setCompleted(state);
 
   if (state) mTodo->setCompleted(QDateTime::currentDateTime());
 
   if (mTodo->hasDueDate()) {
     setText(3, mTodo->dtDueDateStr());
     QDate d = mTodo->dtDue().date();
     keyd.sprintf("%04d%02d%02d",d.year(),d.month(),d.day());
     setSortKey(3,keyd);
     if (mTodo->doesFloat()) {
       setText(4,"");
     }
     else {
       setText(4,mTodo->dtDueTimeStr());
       QTime t = mTodo->dtDue().time();
       keyt.sprintf("%02d%02d",t.hour(),t.minute());
       setSortKey(4,keyt);
     }
   }
  if (mTodo->hasStartDate()) {
      QString skeyt = "==";
      QString skeyd = "==";
      setText(5, mTodo->dtStartDateStr());
      QDate d = mTodo->dtStart().date();
      skeyd.sprintf("%04d%02d%02d",d.year(),d.month(),d.day());
      
      if (mTodo->doesFloat()) {
          setText(6,"");
      }
      else {
          setText(6,mTodo->dtStartTimeStr());
          QTime t = mTodo->dtStart().time();
          skeyt.sprintf("%02d%02d",t.hour(),t.minute());
          
      }
      setSortKey(5,skeyd);
      setSortKey(6,skeyt);
   } 
   if (mTodo->isCompleted()) setSortKey(1,QString::number(9)+keyd+keyt);
   else setSortKey(1,QString::number(mTodo->priority())+keyd+keyt);
   
   setText(2,i18n("%1 %").arg(QString::number(mTodo->percentComplete())));
   if (mTodo->percentComplete()<100) {
     if (mTodo->isCompleted()) setSortKey(2,QString::number(999));
     else setSortKey(2,QString::number(mTodo->percentComplete()));
   }
   else {
     if (mTodo->isCompleted()) setSortKey(2,QString::number(999));
     else setSortKey(2,QString::number(99));
   }
   if ( state ) {
       QListViewItem * myChild = firstChild();
       KOTodoViewItem *item;
       while( myChild ) {
           //qDebug("stateCH ");
           item = static_cast<KOTodoViewItem*>(myChild);
           item->stateChange(state);
           myChild = myChild->nextSibling();
       }
   } else {
       QListViewItem * myChild = parent();
       if ( myChild )
           (static_cast<KOTodoViewItem*>(myChild))->stateChange(state);
   }
   mTodoView->modified(true);
   setMyPixmap();
   mTodoView->setTodoModified( mTodo );
 }
 
 bool KOTodoViewItem::isAlternate()
 {
 #if 0
     //if ( m_known ) return m_odd;
    //qDebug("test ");
     KOTodoViewItem *item = static_cast<KOTodoViewItem *>(itemAbove());
     if ( item ) {
         m_known = item->m_known;
         if ( m_known ) {
             m_odd = !item->m_odd ;
             return m_odd;
         }
     } else {
         item = static_cast<KOTodoViewItem *>(itemBelow());
         if ( item ) {
             m_known = item->m_known;
             if ( m_known ) {
                 m_odd = !item->m_odd ;
                 return m_odd;
             }
         }
     }
   KOTodoListView *lv = static_cast<KOTodoListView *>(listView());
   item =  static_cast<KOTodoViewItem *>(lv->firstChild());
   bool previous = true;
   qDebug("WHILE ");
   while ( item ) {
       item->m_odd = !previous;
       item->m_known = true;
       previous = !previous;
       item = static_cast<KOTodoViewItem *>(item->itemBelow());
   }
   return m_odd;
diff --git a/libkcal/incidence.cpp b/libkcal/incidence.cpp
index 39c14f5..fe9f854 100644
--- a/libkcal/incidence.cpp
+++ b/libkcal/incidence.cpp
@@ -153,397 +153,410 @@ bool Incidence::isAnniversary() const
 }
 
 bool Incidence::hasRecurrenceID() const
 {
     return mHasRecurrenceID;
 }
 
 void Incidence::setHasRecurrenceID( bool b )
 {
     mHasRecurrenceID = b;
 }
    
 void Incidence::setRecurrenceID(QDateTime d)
 {
     mRecurrenceID = d;
     mHasRecurrenceID = true;
     updated(); 
 }
 QDateTime Incidence::recurrenceID () const
 {
     return mRecurrenceID;
 }
 
 bool Incidence::cancelled() const
 {
     return mCancelled;
 }
 void Incidence::setCancelled( bool b )
 {
     mCancelled = b;
     updated();
 }
 bool Incidence::hasStartDate() const
 {
   return mHasStartDate;
 }
 
 void Incidence::setHasStartDate(bool f)
 {
   if (mReadOnly) return;
   mHasStartDate = f;
   updated();
 }
 
 // A string comparison that considers that null and empty are the same
 static bool stringCompare( const QString& s1, const QString& s2 )
 {
     if ( s1.isEmpty() && s2.isEmpty() )
         return true;
     return s1 == s2;
 }
 
 bool KCal::operator==( const Incidence& i1, const Incidence& i2 )
 {
   
     if( i1.alarms().count() != i2.alarms().count() ) {
         return false; // no need to check further
     }
     if ( i1.alarms().count() > 0 ) {
         if ( !( *(i1.alarms().first()) == *(i2.alarms().first())) ) 
             {
             qDebug("alarm not equal ");
             return false;
         }
     }
 #if 0
     QPtrListIterator<Alarm> a1( i1.alarms() );
     QPtrListIterator<Alarm> a2( i2.alarms() );
     for( ; a1.current() && a2.current(); ++a1, ++a2 ) {
         if( *a1.current() == *a2.current() ) {
             continue;
         }
         else {
             return false;
         }
     }
 #endif
   
     if ( i1.hasRecurrenceID() == i2.hasRecurrenceID() ) {
         if ( i1.hasRecurrenceID() ) {
             if ( i1.recurrenceID() != i2.recurrenceID() )
                 return false;
         }
 
     } else {
         return false;
     }
 
     if ( ! operator==( (const IncidenceBase&)i1, (const IncidenceBase&)i2 ) )
         return false;
     if ( i1.hasStartDate() == i2.hasStartDate() ) {
         if ( i1.hasStartDate() ) {
             if ( i1.dtStart() != i2.dtStart() )
                 return false;
         }
     } else {
         return false;
     }
     if ( i1.mRecurrence != 0 && i2.mRecurrence != 0 ) {
         if (!( *i1.mRecurrence == *i2.mRecurrence) ) {
             //qDebug("recurrence is NOT equal ");
             return false;
         }
     } else {
         // one ( or both ) recurrence is 0
         if ( i1.mRecurrence == 0 ) {
             if ( i2.mRecurrence != 0 && i2.mRecurrence->doesRecur() != Recurrence::rNone )
                 return false;
         } else {
             // i1.mRecurrence != 0
             // i2.mRecurrence == 0
             if ( i1.mRecurrence->doesRecur() != Recurrence::rNone )
                 return false;
         }
     }
    
     return
         //  i1.created() == i2.created() &&
         stringCompare( i1.description(), i2.description() ) &&
         stringCompare( i1.summary(), i2.summary() ) &&
         i1.categories() == i2.categories() &&
         // no need to compare mRelatedTo
         stringCompare( i1.relatedToUid(), i2.relatedToUid() ) &&
         //      i1.relations() == i2.relations() &&
         i1.exDates() == i2.exDates() &&
         i1.attachments() == i2.attachments() &&
         i1.resources() == i2.resources() &&
         i1.secrecy() == i2.secrecy() &&
         i1.priority() == i2.priority() &&
         i1.cancelled() == i2.cancelled() &&
         stringCompare( i1.location(), i2.location() );
 }
 
 Incidence* Incidence::recreateCloneException( QDate d  )
 {
     Incidence* newInc = clone();
     newInc->recreate();
     if ( doesRecur() ) {
         addExDate( d );
         newInc->recurrence()->unsetRecurs();
         if ( typeID() == eventID ) {
             int len = dtStart().secsTo( ((Event*)this)->dtEnd());
             QTime tim = dtStart().time();
             newInc->setDtStart( QDateTime(d, tim) );
             ((Event*)newInc)->setDtEnd( newInc->dtStart().addSecs( len ) );
         } else {
             int len = dtStart().secsTo( ((Todo*)this)->dtDue());
             QTime tim = ((Todo*)this)->dtDue().time();
             ((Todo*)newInc)->setDtDue( QDateTime(d, tim) );
             ((Todo*)newInc)->setDtStart( ((Todo*)newInc)->dtDue().addSecs( -len ) );
             ((Todo*)this)->setRecurDates();
         }
         newInc->setExDates( DateList () );
     }
     return newInc;
 }
 
 void Incidence::recreate()
 {
   setCreated(QDateTime::currentDateTime());
 
   setUid(CalFormat::createUniqueId());
 
   setRevision(0);
   setIDStr( ":" );
   setLastModified(QDateTime::currentDateTime());
 }
 void Incidence::cloneRelations( Incidence * newInc )
 {
     // newInc is already a clone of this incidence
     Incidence * inc;
     Incidence * cloneInc;
     QPtrList<Incidence> Relations = relations();
     for (inc=Relations.first();inc;inc=Relations.next()) {
         cloneInc = inc->clone();
         cloneInc->recreate();
         cloneInc->setRelatedTo( newInc );
         inc->cloneRelations( cloneInc );
     } 
 }
 void Incidence::setReadOnly( bool readOnly )
 {
   IncidenceBase::setReadOnly( readOnly );
   if ( mRecurrence )
       mRecurrence->setRecurReadOnly( readOnly);
 }
 void Incidence::setLastModifiedSubInvalid()
 {
     mLastModifiedSub = QDateTime();
     if ( mRelatedTo )
         mRelatedTo->setLastModifiedSubInvalid();
 }
+QString Incidence::lastModifiedSubSortKey() const
+{
+    if ( mLastModifiedSubSortKey.isEmpty() )
+        return lastModifiedSortKey();
+    return mLastModifiedSubSortKey;
+}
 QDateTime Incidence::lastModifiedSub()
 {
     if ( !mRelations.count() )
         return lastModified();
     if ( mLastModifiedSub.isValid() )
         return mLastModifiedSub;
     mLastModifiedSub = lastModified();
     Incidence * inc;
     QPtrList<Incidence> Relations = relations();
     for (inc=Relations.first();inc;inc=Relations.next()) {
         if ( inc->lastModifiedSub() > mLastModifiedSub )
             mLastModifiedSub = inc->lastModifiedSub();
     }
+    mLastModifiedSubSortKey.sprintf("%04d%02d%02d%02d%02d%02d",
+                                    mLastModifiedSub.date().year(),
+                                    mLastModifiedSub.date().month(),
+                                    mLastModifiedSub.date().day(),
+                                    mLastModifiedSub.time().hour(),
+                                    mLastModifiedSub.time().minute(),
+                                    mLastModifiedSub.time().second() );
     return mLastModifiedSub;
 }
 void Incidence::setCreated(QDateTime created)
 {
   if (mReadOnly) return;
   mCreated = getEvenTime(created);
 }
 
 QDateTime Incidence::created() const
 {
   return mCreated;
 }
 
 void Incidence::setRevision(int rev)
 {
   if (mReadOnly) return;
   mRevision = rev;
 
   updated();
 }
 
 int Incidence::revision() const
 {
   return mRevision;
 }
 
 void Incidence::setDtStart(const QDateTime &dtStart)
 {
 
   QDateTime  dt = getEvenTime(dtStart);
 
   if ( mRecurrence )
       mRecurrence->setRecurStart( dt);
   IncidenceBase::setDtStart( dt );
 }
 
 void Incidence::setDescription(const QString &description)
 {
   if (mReadOnly) return;
   mDescription = description;
   updated();
 }
 
 QString Incidence::description() const
 {
   return mDescription;
 }
 
 
 void Incidence::setSummary(const QString &summary)
 {
   if (mReadOnly) return;
   mSummary = summary;
   updated();
 }
 
 QString Incidence::summary() const
 {
   return mSummary;
 }
 void Incidence::checkCategories()
 {
     mHoliday =  mCategories.contains("Holiday") || mCategories.contains(i18n("Holiday"));
     mBirthday =  mCategories.contains("Birthday") || mCategories.contains(i18n("Birthday"));
     mAnniversary =  mCategories.contains("Anniversary") || mCategories.contains(i18n("Anniversary"));
 }
 
 void Incidence::addCategories(const QStringList &categories, bool addToRelations ) //addToRelations = false
 {
     if (mReadOnly) return;
     int i;
     for( i = 0; i < categories.count(); ++i ) {
         if (  !mCategories.contains (categories[i]))
             mCategories.append( categories[i] );
     }
     checkCategories();
     updated();
     if ( addToRelations ) {
         Incidence * inc;
         QPtrList<Incidence> Relations = relations();
         for (inc=Relations.first();inc;inc=Relations.next()) {
             inc->addCategories( categories, true );
         } 
     }
 }
 
 void Incidence::setCategories(const QStringList &categories, bool setForRelations ) //setForRelations = false
 {
   if (mReadOnly) return;
   mCategories = categories;
   checkCategories();
   updated();
   if ( setForRelations ) {
       Incidence * inc;
       QPtrList<Incidence> Relations = relations();
       for (inc=Relations.first();inc;inc=Relations.next()) {
           inc->setCategories( categories, true );
       } 
   }
 }
 
 // TODO: remove setCategories(QString) function
 void Incidence::setCategories(const QString &catStr)
 {
   if (mReadOnly) return;
   mCategories.clear();
 
   if (catStr.isEmpty()) return;
 
   mCategories = QStringList::split(",",catStr);
 
   QStringList::Iterator it;
   for(it = mCategories.begin();it != mCategories.end(); ++it) {
     *it = (*it).stripWhiteSpace();
   }
   checkCategories();
   updated();
 }
 // using this makes filtering 3 times faster
 QStringList* Incidence::categoriesP()
 {
   return &mCategories;
 }
 
 QStringList Incidence::categories() const
 {
   return mCategories;
 }
 
 QString Incidence::categoriesStr()
 {
   return mCategories.join(",");
 }
 QString Incidence::categoriesStrWithSpace()
 {
   return mCategories.join(", ");
 }
 
 void Incidence::setRelatedToUid(const QString &relatedToUid)
 {
   if (mReadOnly) return;
   mRelatedToUid = relatedToUid;
 }
 void Incidence::clearRelations()
 {
     mRelatedTo = 0;
     mRelations.clear();
 }
 QString Incidence::relatedToUid() const
 {
   return mRelatedToUid;
 }
 
 void Incidence::setRelatedTo(Incidence *relatedTo)
 {
     //qDebug("Incidence::setRelatedTo %d ", relatedTo);
     //qDebug("setRelatedTo(Incidence *relatedTo) %s %s", summary().latin1(), relatedTo->summary().latin1() );
   if (mReadOnly || mRelatedTo == relatedTo) return;
   if(mRelatedTo) {
       // updated();
     mRelatedTo->removeRelation(this);
   }
   mRelatedTo = relatedTo;
   if (mRelatedTo)  {
       mRelatedTo->addRelation(this);
       mRelatedToUid = mRelatedTo->uid();
   } else {
       mRelatedToUid = "";
   }
 }
 
 Incidence *Incidence::relatedTo() const
 {
   return mRelatedTo;
 }
 
 QPtrList<Incidence> Incidence::relations() const
 {
   return mRelations;
 }
 
 void Incidence::addRelationsToList(QPtrList<Incidence> *rel)
 {
     Incidence* inc;
     QPtrList<Incidence> Relations = relations();
     for (inc=Relations.first();inc;inc=Relations.next()) {
         inc->addRelationsToList( rel );
     } 
     if ( rel->findRef( this ) == -1 ) 
         rel->append( this );
 }
 
diff --git a/libkcal/incidence.h b/libkcal/incidence.h
index eef9e64..dc49640 100644
--- a/libkcal/incidence.h
+++ b/libkcal/incidence.h
@@ -90,235 +90,237 @@ class Incidence : public IncidenceBase
         bool visit( Event *e ) { return mResource->addEvent( e ); }
         bool visit( Todo *t ) { return mResource->addTodo( t ); }
         bool visit( Journal *j ) { return mResource->addJournal( j ); }
 
       private:
         T *mResource;
     };
 
     /** enumeration for describing an event's secrecy. */
     enum { SecrecyPublic = 0, SecrecyPrivate = 1, SecrecyConfidential = 2 };
     typedef ListBase<Incidence> List;
     Incidence();
     Incidence(const Incidence &);
     ~Incidence();
 
     /**
       Accept IncidenceVisitor. A class taking part in the visitor mechanism has to
       provide this implementation:
       <pre>
         bool accept(Visitor &v) { return v.visit(this); }
       </pre>
     */
     virtual bool accept(Visitor &) { return false; }
 
     virtual Incidence *clone() = 0;
     virtual void cloneRelations( Incidence * );
     void addRelationsToList(QPtrList<Incidence> *rel);
     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
       event information is preserved. Sets uniquie id, creation date, last
       modification date and revision number.
     */
     void recreate();
     Incidence*  recreateCloneException(QDate);
 
     /** set creation date */
     void setCreated(QDateTime);
     /** return time and date of creation. */
     QDateTime created() const;
 
     /** set the number of revisions this event has seen */
     void setRevision(int rev);
     /** return the number of revisions this event has seen */
     int revision() const;
 
     /** Set starting date/time. */
     virtual void setDtStart(const QDateTime &dtStart);
     /** Return the incidence's ending date/time as a QDateTime. */
     virtual QDateTime dtEnd() const  { return QDateTime(); }
 
     /** sets the event's lengthy description. */
     void setDescription(const QString &description);
     /** returns a reference to the event's description. */
     QString description() const;
 
     /** sets the event's short summary. */
     void setSummary(const QString &summary);
     /** returns a reference to the event's summary. */
     QString summary() const;
 
     /** set event's applicable categories */
     void setCategories(const QStringList &categories, bool setForRelations = false);
     void addCategories(const QStringList &categories, bool addToRelations = false);
     /** set event's categories based on a comma delimited string */
     void setCategories(const QString &catStr);
     /** return categories in a list */
     QStringList categories() const;
     QStringList* categoriesP();
     /** return categories as a comma separated string */
     QString categoriesStr();
     QString categoriesStrWithSpace();
 
     /** point at some other event to which the event relates. This function should
      *  only be used when constructing a calendar before the related Event
      *  exists. */
     void setRelatedToUid(const QString &);
     /** what event does this one relate to? This function should
      *  only be used when constructing a calendar before the related Event
      *  exists. */
     QString relatedToUid() const;
     /** point at some other event to which the event relates */
     void setRelatedTo(Incidence *relatedTo);
     /** what event does this one relate to? */
     Incidence *relatedTo() const;
     /** All events that are related to this event */
     QPtrList<Incidence> relations() const;
     /** Add an event which is related to this event */
     void addRelation(Incidence *);
     /** Remove event that is related to this event */
     void removeRelation(Incidence *);
 
     /** returns the list of dates which are exceptions to the recurrence rule */
     DateList exDates() const;
     /** sets the list of dates which are exceptions to the recurrence rule */
     void setExDates(const DateList &_exDates);
     void setExDates(const char *dates);
     /** Add a date to the list of exceptions of the recurrence rule. */
     void addExDate(const QDate &date);
 
     /** returns true if there is an exception for this date in the recurrence
      rule set, or false otherwise. */
     bool isException(const QDate &qd) const;
 
     /** add attachment to this event */
     void addAttachment(Attachment *attachment);
     /** remove and delete a specific attachment */
     void deleteAttachment(Attachment *attachment);
     /** remove and delete all attachments with this mime type */
     void deleteAttachments(const QString& mime);
     /** return list of all associated attachments */
     QPtrList<Attachment> attachments() const;
     /** find a list of attachments with this mime type */
     QPtrList<Attachment> attachments(const QString& mime) const;
 
     /** sets the event's status the value specified.  See the enumeration
      * above for possible values. */
     void setSecrecy(int);
     /** return the event's secrecy. */
     int secrecy() const;
     /** return the event's secrecy in string format. */
     QString secrecyStr() const;
     /** return list of all availbale secrecy classes */
     static QStringList secrecyList();
     /** return human-readable name of secrecy class */
     static QString secrecyName(int);
 
     /** returns TRUE if the date specified is one on which the event will
      * recur. */
     bool recursOn(const QDate &qd) const;
 
     // VEVENT and VTODO, but not VJOURNAL (move to EventBase class?):
 
     /** set resources used, such as Office, Car, etc. */
     void setResources(const QStringList &resources);
     /** return list of current resources */
     QStringList resources() const;
 
     /** set the event's priority, 0 is undefined, 1 highest (decreasing order) */
     void setPriority(int priority);
     /** get the event's priority */
     int priority() const;
 
     /** All alarms that are associated with this incidence */
     QPtrList<Alarm> alarms() const;
     /** Create a new alarm which is associated with this incidence */
     Alarm* newAlarm();
     /** Add an alarm which is associated with this incidence */
     void addAlarm(Alarm*);
     /** Remove an alarm that is associated with this incidence */
     void removeAlarm(Alarm*);
     /** Remove all alarms that are associated with this incidence */
     void clearAlarms();
     /** return whether any alarm associated with this incidence is enabled */
     bool isAlarmEnabled() const;
 
     /**
       Return the recurrence rule associated with this incidence. If there is
       none, returns an appropriate (non-0) object.
     */
     Recurrence *recurrence();
     void setRecurrence(Recurrence * r);
     /**
       Forward to Recurrence::doesRecur().
     */
     ushort doesRecur() const;
 
     /** set the event's/todo's location. Do _not_ use it with journal */
     void setLocation(const QString &location);
     /** return the event's/todo's location. Do _not_ use it with journal */
     QString location() const;  
    /** returns TRUE or FALSE depending on whether the todo has a start date */
     bool hasStartDate() const;
     /** sets the event's hasStartDate value. */
     void setHasStartDate(bool f);
     QDateTime getNextOccurence( const QDateTime& dt, bool* yes ) const;
     bool cancelled() const;
     void setCancelled( bool b );
     
     bool hasRecurrenceID() const;
     void setHasRecurrenceID( bool b );
     
     void setRecurrenceID(QDateTime);
     QDateTime recurrenceID () const;
     QDateTime dtStart() const;
     bool isHoliday() const;
     bool isBirthday() const;
     bool isAnniversary() const;
     QDateTime lastModifiedSub();
+    QString lastModifiedSubSortKey() const;
     QString recurrenceText() const;
     void setLastModifiedSubInvalid();
     
     virtual QString durationText();
     QString durationText4Time( int secs );
     Recurrence *mRecurrence;
 protected:
     QPtrList<Alarm> mAlarms;
     QPtrList<Incidence> mRelations;
     QDateTime mRecurrenceID;
     bool mHasRecurrenceID;
   private:
     void checkCategories();
+    QString mLastModifiedSubSortKey;
     bool mHoliday, mBirthday, mAnniversary;
     int mRevision;
     bool mCancelled;
 
     // base components of jounal, event and todo
     QDateTime mCreated;
     QDateTime mLastModifiedSub;
     QString mDescription;
     QString mSummary;
     QStringList mCategories;
     Incidence *mRelatedTo;
     QString mRelatedToUid;
     DateList mExDates;
     QPtrList<Attachment> mAttachments;
     QStringList mResources;
     bool mHasStartDate;                  // if todo has associated start date
 
     int mSecrecy;
     int mPriority;                        // 1 = highest, 2 = less, etc.
 
     //QPtrList<Alarm> mAlarms;
     
     QString mLocation;
 };
 
 bool operator==( const Incidence&, const Incidence& );
 
 }
 
 #endif
diff --git a/libkcal/incidencebase.cpp b/libkcal/incidencebase.cpp
index 022dead..cfef973 100644
--- a/libkcal/incidencebase.cpp
+++ b/libkcal/incidencebase.cpp
@@ -4,395 +4,406 @@
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 
 #include <kglobal.h>
 #include <klocale.h>
 #include <kdebug.h>
 #include <kidmanager.h>
 
 #include "calformat.h"
 #include "syncdefines.h"
 
 #include "incidencebase.h"
 
 using namespace KCal;
 
 IncidenceBase::IncidenceBase() :
   mReadOnly(false), mFloats(true), mDuration(0), mHasDuration(false),
   mPilotId(0), mSyncStatus(SYNCMOD)
 {
   blockLastModified = false;
   setUid(CalFormat::createUniqueId());
   mOrganizer = "";
   mFloats = false;
   mDuration = 0;
   mHasDuration = false;
   mPilotId = 0;
   mExternalId = ":";
   mTempSyncStat =  SYNC_TEMPSTATE_INITIAL;
   mSyncStatus = 0;
   mAttendees.setAutoDelete( true );
   mCalEnabled = true;
   mAlarmEnabled = true;
   mCalID = 0;
 }
 
 IncidenceBase::IncidenceBase(const IncidenceBase &i) :
   CustomProperties( i )
 {
 
   blockLastModified = false;
   mReadOnly = i.mReadOnly;
   mDtStart = i.mDtStart;
   mDuration = i.mDuration;
   mHasDuration = i.mHasDuration;
   mOrganizer = i.mOrganizer;
   mUid = i.mUid;
   mCalEnabled = i.mCalEnabled;
   mAlarmEnabled = i.mAlarmEnabled;
   mCalID = i.mCalID;
   QPtrList<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;
   mTempSyncStat = i.mTempSyncStat;
   mSyncStatus = i.mSyncStatus;
   mExternalId = i.mExternalId;
   // The copied object is a new one, so it isn't observed by the observer
   // of the original object.
   mObservers.clear();
   
   mAttendees.setAutoDelete( true );
 }
 
 IncidenceBase::~IncidenceBase()
 {
 }
 
 
 bool KCal::operator==( const IncidenceBase& i1, const IncidenceBase& i2 )
 {
     // do not compare mSyncStatus and mExternalId 
     if( i1.attendees().count() != i2.attendees().count() ) {
         return false; // no need to check further
     }
     if ( i1.attendees().count() > 0 ) {
         Attendee * a1 = i1.attendees().first(), *a2 =i2.attendees().first() ;
         while ( a1 ) {
             if ( !( (*a1) == (*a2)) ) 
                 {
                     //qDebug("Attendee not equal ");
                     return false;
                 }
             a1 = i1.attendees().next();
             a2 = i2.attendees().next();
         }
     }
     //if ( i1.dtStart() != i2.dtStart() )
     //  return false;
 #if 0
     qDebug("1 %d ",i1.doesFloat() == i2.doesFloat() );
     qDebug("1 %d ",i1.duration() == i2.duration() );
     qDebug("3 %d ",i1.hasDuration() == i2.hasDuration() );
     qDebug("1 %d ",i1.pilotId() == i2.pilotId() );
     qDebug("1 %d %d %d",i1.syncStatus() == i2.syncStatus() , i1.syncStatus(),i2.syncStatus() );
     qDebug("6 %d ",i1.organizer() == i2.organizer() );
   
 #endif
     if ( i1.hasDuration() == i2.hasDuration() ) {
         if ( i1.hasDuration() ) {
             if ( i1.duration() != i2.duration() )
                 return false;
         }
     } else {
         return false;
     }
 
     return ( i1.organizer() == i2.organizer() &&
              // i1.uid() == i2.uid() &&
              // Don't compare lastModified, otherwise the operator is not
              // of much use. We are not comparing for identity, after all.
              i1.doesFloat() == i2.doesFloat() &&
              i1.pilotId() == i2.pilotId() );// &&  i1.syncStatus() == i2.syncStatus() );
     // no need to compare mObserver
 }
 
   
 QDateTime IncidenceBase::getEvenTime( QDateTime dt )
 {
     QTime t =  dt.time();
     dt.setTime( QTime (t.hour (), t.minute (), t.second () )  );
     return dt;
 }     
 
 bool IncidenceBase::isTagged() const
 {
     return mIsTagged;
 }
 void IncidenceBase::setTagged( bool b)
 {
     mIsTagged = b;
 }
 void IncidenceBase::setCalID( int id )
 {
     if ( mCalID > 0 ) {
         blockLastModified = true;
         updated();
         blockLastModified = false;
     }
     mCalID = id;
 }
 int IncidenceBase::calID() const
 {
     return mCalID;
 }
 void IncidenceBase::setCalEnabled( bool b )
 {
     mCalEnabled = b;
 }
 bool IncidenceBase::calEnabled() const
 {
     return mCalEnabled;
 }
 
 void IncidenceBase::setAlarmEnabled( bool b )
 {
     mAlarmEnabled = b;
 }
 bool IncidenceBase::alarmEnabled() const
 {
     return mAlarmEnabled;
 }
 
 
 void IncidenceBase::setUid(const QString &uid)
 {
   mUid = uid;
   updated();
 }
 
 QString IncidenceBase::uid() const
 {
   return mUid;
 }
 void IncidenceBase::setLastModifiedSubInvalid()
 {
-
+    // virtual method
 }
 void IncidenceBase::setLastModified(const QDateTime &lm)
 {
     if ( blockLastModified ) return;
   // DON'T! updated() because we call this from
   // Calendar::updateEvent().
   mLastModified = getEvenTime(lm);
+  mLastModifiedKey.sprintf("%04d%02d%02d%02d%02d%02d",
+                           mLastModified.date().year(),
+                           mLastModified.date().month(),
+                           mLastModified.date().day(),
+                           mLastModified.time().hour(),
+                           mLastModified.time().minute(),
+                           mLastModified.time().second() );
   setLastModifiedSubInvalid();
   //qDebug("IncidenceBase::setLastModified %s ",lm.toString().latin1());
 }
+QString IncidenceBase::lastModifiedSortKey() const
+{  
+    return mLastModifiedKey;
+}
 
 QDateTime IncidenceBase::lastModified() const
 {
   return mLastModified;
 }
 
 void IncidenceBase::setOrganizer(const QString &o)
 {
   // we don't check for readonly here, because it is
   // possible that by setting the organizer we are changing
   // the event's readonly status...
   mOrganizer = o;
   if (mOrganizer.left(7).upper() == "MAILTO:")
     mOrganizer = mOrganizer.remove(0,7);
 
   updated();
 }
 
 QString IncidenceBase::organizer() const
 {
   return mOrganizer;
 }
 
 void IncidenceBase::setReadOnly( bool readOnly )
 {
   mReadOnly = readOnly;
 }
 
 void IncidenceBase::setDtStart(const QDateTime &dtStart)
 {
 //  if (mReadOnly) return;
   mDtStart = getEvenTime(dtStart);
   updated();
 }
 
 
 QDateTime IncidenceBase::dtStart() const
 {
   return mDtStart;
 }
 
 QString IncidenceBase::dtStartTimeStr() const
 {
   return KGlobal::locale()->formatTime(dtStart().time());
 }
 
 QString IncidenceBase::dtStartDateStr(bool shortfmt) const
 {
   return KGlobal::locale()->formatDate(dtStart().date(),shortfmt);
 }
 
 QString IncidenceBase::dtStartStr(bool shortfmt) const
 {
     if ( doesFloat() )
         return KGlobal::locale()->formatDate(dtStart().date(),shortfmt);
     return KGlobal::locale()->formatDateTime(dtStart(), shortfmt);
 }
 
 
 bool IncidenceBase::doesFloat() const
 {
   return mFloats;
 }
 
 void IncidenceBase::setFloats(bool f)
 {
   if (mReadOnly) return;
   mFloats = f;
   updated();
 }
 
 
 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);
   
   qli.toFirst();
   while (qli) {
       if (*qli.current() == *a)
           return false;
       ++qli;
   }
   mAttendees.append(a);
   if (doupdate) updated();
   return true;
 }
 
 #if 0
 void IncidenceBase::removeAttendee(Attendee *a)
 {
   if (mReadOnly) return;
   mAttendees.removeRef(a);
   updated();
 }
 
 void IncidenceBase::removeAttendee(const char *n)
 {
   Attendee *a;
 
   if (mReadOnly) return;
   for (a = mAttendees.first(); a; a = mAttendees.next())
     if (a->getName() == n) {
       mAttendees.remove();
       break;
     }
 }
 #endif
 
 void IncidenceBase::clearAttendees()
 {
   if (mReadOnly) return;
   mAttendees.clear();
 }
 
 #if 0
 Attendee *IncidenceBase::getAttendee(const char *n) const
 {
   QPtrListIterator<Attendee> qli(mAttendees);
 
   qli.toFirst();
   while (qli) {
     if (qli.current()->getName() == n)
       return qli.current();
     ++qli;
   }
   return 0L;
 }
 #endif
 
 Attendee *IncidenceBase::attendeeByMail(const QString &email)
 {
   QPtrListIterator<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);
 
   QStringList mails = emails;
   if (!email.isEmpty()) {
     mails.append(email);
   }
   qli.toFirst();
   while (qli) {
     for ( QStringList::Iterator it = mails.begin(); it != mails.end(); ++it ) {
         if (qli.current()->email().lower() == (*it).lower())
         return qli.current();
      }
 
     ++qli;
   }
   return 0L;
 }
 
 void IncidenceBase::setDuration(int seconds)
 {
   mDuration = seconds;
   setHasDuration(true);
 }
 
 int IncidenceBase::duration() const
 {
   return mDuration;
 }
 
 void IncidenceBase::setHasDuration(bool b)
 {
   mHasDuration = b;
 }
 
 bool IncidenceBase::hasDuration() const
 {
   return mHasDuration;
 }
 
 void IncidenceBase::setSyncStatus(int stat)
 {
   if (mReadOnly) return;
   mSyncStatus = stat;
 }
diff --git a/libkcal/incidencebase.h b/libkcal/incidencebase.h
index 665c1f6..444d4c4 100644
--- a/libkcal/incidencebase.h
+++ b/libkcal/incidencebase.h
@@ -1,187 +1,189 @@
 /*
     This file is part of libkcal.
     Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 #ifndef KCAL_INCIDENCEBASE_H
 #define KCAL_INCIDENCEBASE_H
 //
 // Incidence - base class of calendaring components
 //
 
 #include <qdatetime.h>
 #include <qstringlist.h>
 #include <qvaluelist.h>
 #include <qptrlist.h>
 
 #include "customproperties.h"
 #include "attendee.h"
 
 namespace KCal {
 
 typedef QValueList<QDate> DateList;
  enum IncTypeID { eventID,todoID,journalID,freebusyID };
 
 /**
   This class provides the base class common to all calendar components.
 */
 class IncidenceBase : public CustomProperties
 {
   public:
     class Observer {
       public:
         virtual void incidenceUpdated( IncidenceBase * ) = 0;
     };
 
     IncidenceBase();
     IncidenceBase(const IncidenceBase &);
     virtual ~IncidenceBase();
 
     virtual QCString 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;
 
     /** Sets the time the incidence was last modified. */
     void setLastModified(const QDateTime &lm);
     /** Return the time the incidence was last modified. */
     QDateTime lastModified() const;
+    QString lastModifiedSortKey() const;
 
     /** sets the organizer for the event */
     void setOrganizer(const QString &o);
     QString organizer() const;
 
     /** Set readonly status. */
     virtual void setReadOnly( bool );
     /** Return if the object is read-only. */
     bool isReadOnly() const { return mReadOnly; }
 
     /** for setting the event's starting date/time with a QDateTime. */
     virtual void setDtStart(const QDateTime &dtStart);
     /** returns an event's starting date/time as a QDateTime. */
     virtual QDateTime dtStart() const;
     /** returns an event's starting time as a string formatted according to the
      users locale settings */
     QString dtStartTimeStr() const;
     /** returns an event's starting date as a string formatted according to the
      users locale settings */
     QString dtStartDateStr(bool shortfmt=true) const;
     /** returns an event's starting date and time as a string formatted according
      to the users locale settings */
     QString dtStartStr(bool shortfmt=true) const;
 
     virtual void setDuration(int seconds);
     int duration() const;
     void setHasDuration(bool);
     bool hasDuration() const;
 
     /** Return true or false depending on whether the incidence "floats,"
      * i.e. has a date but no time attached to it. */
     bool doesFloat() const;
     /** Set whether the incidence floats, i.e. has a date but no time attached to it. */
     void setFloats(bool f);
 
     /**
       Add Attendee to this incidence. IncidenceBase takes ownership of the
       Attendee object.
     */
     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; };
     /** 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);
 
     /** pilot syncronization states */
     enum { SYNCNONE = 0, SYNCMOD = 1, SYNCDEL = 3 };
     /** Set synchronisation satus. */
     void setSyncStatus(int stat);
     /** Return synchronisation status. */
     int syncStatus() const;
 
     /** Set Pilot Id. */
     void setPilotId(int id);
     /** Return Pilot Id. */
     int pilotId() const;
 
     void setTempSyncStat(int id);
     int tempSyncStat() const;
     void setIDStr( const QString & );
     QString IDStr() const;
     void setID( const QString &, const QString & );
     QString  getID( const QString & );
     void setCsum( const QString &, const QString & );
     QString getCsum( const QString & );
     void removeID(const QString &);
 
     void registerObserver( Observer * );
     void unRegisterObserver( Observer * );
     void updated();
     void setCalID( int id );
     int calID() const;
     void setCalEnabled( bool );
     bool calEnabled() const; 
     void setAlarmEnabled( bool );
     bool alarmEnabled() const;
     bool isTagged() const;
     void setTagged( bool );
     virtual void setLastModifiedSubInvalid();
   protected:
     bool blockLastModified;
     bool mIsTagged;
     QDateTime mDtStart;
     bool mReadOnly;
     QDateTime getEvenTime( QDateTime );
 
   private:
     // base components
     QString mOrganizer;
+    QString mLastModifiedKey;
     QString mUid;
     int mCalID;
     bool mCalEnabled;
     bool mAlarmEnabled;
     QDateTime mLastModified;
     QPtrList<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;
 };
 
 bool operator==( const IncidenceBase&, const IncidenceBase& );
 }
 
 #endif