smarter faster conflict search

1 files changed, 49 insertions, 23 deletions

diff --git a/korganizer/calendarview.cpp b/korganizer/calendarview.cpp
index a9e402e..427d71b 100644
--- a/korganizer/calendarview.cpp
+++ b/korganizer/calendarview.cpp
@@ -470,453 +470,470 @@ void CalendarView::init()
     connect( mCalEditView, SIGNAL( calendarEnabled (int,bool) ),mCalendar, SLOT( setCalendarEnabled(int,bool)) );
     connect( mCalEditView, SIGNAL( alarmEnabled(int,bool) ),mCalendar, SLOT( setAlarmEnabled(int,bool)) );
     connect( mCalEditView, SIGNAL( calendarReadonly(int,bool) ),this, SLOT( setCalReadOnly(int,bool)) );
     connect( mCalEditView, SIGNAL( setCalendarDefault(int) ),mCalendar, SLOT( setDefaultCalendar(int)) );
     connect( mCalEditView, SIGNAL( setCalendarDefault(int) ),mViewManager, SLOT( setDefaultCalendar(int)) );
     connect( mCalEditView, SIGNAL( removeCalendar(int) ),mCalendar, SLOT( setCalendarRemove(int)) );
     connect( mCalEditView, SIGNAL( calendarAdded(int) ),this, SLOT( addCalendarId(int)) );
     connect( mCalEditView, SIGNAL( needsUpdate() ),this, SLOT( updateView()) );
     connect( mCalEditView, SIGNAL( checkCalendar() ),this, SLOT( checkFiles()  ));
     connect( mCalEditView, SIGNAL( needsUpdate() ),this, SLOT( updateUnmanagedViews()) );
    
     mTodoList->setNavigator( mNavigator );
 #if 0
     if (  QApplication::desktop()->width() < 480 ) {
         leftFrameLayout->addWidget(mFilterView);
         leftFrameLayout->addWidget(mTodoList, 2 );
       
     } else {
         leftFrameLayout->addWidget(mTodoList,2 );
         leftFrameLayout->addWidget(mFilterView );
     } 
 #endif
     mFilterView->hide();
     mCalEditView->hide();
     QWidget *rightBox = new QWidget( mMainFrame );
     //mainBoxLayout->addWidget ( rightBox, 10 );
     QBoxLayout *rightLayout = new QVBoxLayout( rightBox );
     mRightFrame = new QWidgetStack( rightBox );
     rightLayout->addWidget( mRightFrame, 10 );
 
     //mLeftFrame = (QWidget *)leftFrame;
     if ( KOPrefs::instance()->mVerticalScreen ) {
         //mDateNavigator->setFixedHeight( mDateNavigator->sizeHint().height() );
         //mDateNavigator->setMinimumWidth( mDateNavigator->sizeHint().width() );
         //mTodoList->setFixedHeight( mDateNavigator->sizeHint().height() );
         //leftFrame->setFixedHeight( mDateNavigator->sizeHint().height() );
     } else {
         //mDateNavigator->setFixedWidth( mDateNavigator->sizeHint().width() );
         //mTodoList->setFixedWidth( mDateNavigator->sizeHint().width() );
         //leftFrame->setFixedWidth( mDateNavigator->sizeHint().width() );
     }
     if ( !KOPrefs::instance()->mShowDateNavigator)
         mDateNavigator->hide();
     //qDebug("Calendarview Size %d %d ", width(), height());
 #endif
  
     connect( mNavigator, SIGNAL( datesSelected( const KCal::DateList & ) ),
              SLOT( showDates( const KCal::DateList & ) ) );
    
     connect( mNavigator, SIGNAL( datesSelected( const KCal::DateList & ) ),
              mDateNavigator, SLOT( selectDates( const KCal::DateList & ) ) );
   
     
     
     connect( mDateNavigator, SIGNAL( showMonth( const QDate & ) ),
              mViewManager, SLOT(  showMonth( const QDate & ) ) );
 
     connect( mDateNavigator, SIGNAL( weekClicked( const QDate & ) ),
              mNavigator, SLOT( selectWeek( const QDate & ) ) );
 
     connect( mDateNavigator, SIGNAL( goPrevYear() ),
              mNavigator, SLOT( selectPreviousYear() ) );
     connect( mDateNavigator, SIGNAL( goNextYear() ),
              mNavigator, SLOT( selectNextYear() ) );
     connect( mDateNavigator, SIGNAL( goPrevMonth() ),
              mNavigator, SLOT( selectPreviousMonth() ) );
     connect( mDateNavigator, SIGNAL( goNextMonth() ),
              mNavigator, SLOT( selectNextMonth() ) );
 
     connect( mDateNavigator, SIGNAL( goPrevious() ),
              mNavigator, SLOT( selectPrevious() ) );
     connect( mDateNavigator, SIGNAL( goNext() ),
              mNavigator, SLOT( selectNext() ) );
     connect( mDateNavigator, SIGNAL( monthSelected ( int ) ),
              mNavigator, SLOT( slotMonthSelect( int ) ) );
 
     connect( mDateNavigator, SIGNAL( datesSelected( const KCal::DateList & ) ),
              mNavigator, SLOT( selectDates( const KCal::DateList & ) ) );
 #if 0
     connect( mDateNavigator, SIGNAL( incidenceDropped( Incidence * ) ),
              SLOT( incidenceAdded(  Incidence *) ) );
 #endif
     // connect(mDateNavigator,SIGNAL(dayPassed(QDate)),SLOT(updateView()));
 
     connect( this, SIGNAL( configChanged() ),
              mDateNavigator, SLOT( updateConfig() ) );
 
     connect( mTodoList, SIGNAL( newTodoSignal() ),
              SLOT( newTodo() ) );
     connect( mTodoList, SIGNAL( newSubTodoSignal( Todo *) ),
              SLOT( newSubTodo( Todo * ) ) );
     connect( mTodoList, SIGNAL( editTodoSignal( Todo * ) ),
              SLOT( editTodo( Todo * ) ) );
     connect( mTodoList, SIGNAL( showTodoSignal( Todo * ) ),
              SLOT( showTodo( Todo *) ) );
     connect( mTodoList, SIGNAL( deleteTodoSignal( Todo *) ),
              SLOT( deleteTodo( Todo *) ) );
     connect( this, SIGNAL( configChanged()), mTodoList, SLOT( updateConfig() ) );
     connect( mTodoList, SIGNAL( purgeCompletedSignal() ),
              SLOT( purgeCompleted() ) );
     connect( mTodoList, SIGNAL( todoModifiedSignal( Todo *, int ) ),
              SIGNAL( todoModified( Todo *, int ) ) );
 
     connect( mTodoList, SIGNAL( cloneTodoSignal( Incidence *  ) ),
              this, SLOT ( cloneIncidence( Incidence * ) ) );
     connect( mTodoList, SIGNAL( cancelTodoSignal( Incidence *  ) ),
              this, SLOT (cancelIncidence( Incidence * ) ) );
 
     connect( mTodoList, SIGNAL( moveTodoSignal( Incidence *  ) ),
              this, SLOT ( moveIncidence( Incidence * ) ) );
     connect( mTodoList, SIGNAL( beamTodoSignal( Incidence *  ) ),
             this, SLOT ( beamIncidence( Incidence * ) ) );
   
     connect( mTodoList, SIGNAL( unparentTodoSignal( Todo * ) ),
              this, SLOT ( todo_unsub( Todo * ) ) );
   
     connect( mTodoList, SIGNAL( reparentTodoSignal( Todo *,Todo * ) ),
                  this, SLOT ( todo_resub( Todo *,Todo * ) ) );
     connect( this, SIGNAL( todoModified( Todo *, int )), mTodoList,
              SLOT( updateTodo( Todo *, int ) ) );
     connect( this, SIGNAL( todoModified( Todo *, int )), this,
              SLOT( changeTodoDisplay( Todo *, int ) ) );
 
 
     connect( mFilterView, SIGNAL( filterChanged() ), SLOT( updateFilter() ) );
     connect( mFilterView, SIGNAL( editFilters() ), SLOT( editFilters() ) );
     connect( mCalendar, SIGNAL( addAlarm(const QDateTime &, const QString &  ) ), SLOT( addAlarm(const QDateTime &, const QString &  ) ) );
     connect( mCalendar, SIGNAL( removeAlarm(const QDateTime &, const QString &  ) ), SLOT( removeAlarm(const QDateTime &, const QString & ) ) );
   
 
 
 
 
     connect(QApplication::clipboard(),SIGNAL(dataChanged()),
             SLOT(checkClipboard()));
     connect( mTodoList,SIGNAL( incidenceSelected( Incidence * ) ),
              SLOT( processTodoListSelection( Incidence * ) ) );
     connect(mTodoList,SIGNAL(isModified(bool)),SLOT(setModified(bool)));
 
     // kdDebug() << "CalendarView::CalendarView() done" << endl; 
 
     mDateFrame = new QVBox(0,0,WType_Popup);
     //mDateFrame->setFrameStyle(QFrame::PopupPanel | QFrame::Raised);
     mDateFrame->setFrameStyle( QFrame::WinPanel |QFrame::Raised );
     mDateFrame->setLineWidth(3);
     mDateFrame->hide(); 
     mDateFrame->setCaption( i18n( "Pick a date to display"));
     mDatePicker = new KDatePicker ( mDateFrame , QDate::currentDate() );
  
     connect(mDatePicker,SIGNAL(dateSelected(QDate)),SLOT(slotSelectPickerDate(QDate)));
  
     mEventEditor = mDialogManager->getEventEditor();  
     mTodoEditor = mDialogManager->getTodoEditor();  
    
     mFlagEditDescription = false; 
 
     mSuspendTimer = new QTimer( this );
     mAlarmTimer = new QTimer( this );
     mRecheckAlarmTimer = new QTimer( this );
     connect( mRecheckAlarmTimer, SIGNAL(  timeout ()  ), SLOT( recheckTimerAlarm() ) );
     connect( mSuspendTimer, SIGNAL(  timeout ()  ), SLOT( suspendAlarm() ) );
     connect( mAlarmTimer, SIGNAL(  timeout ()  ), SLOT( timerAlarm() ) );
     mAlarmDialog = new AlarmDialog( this );
     connect( mAlarmDialog, SIGNAL( addAlarm(const QDateTime &, const QString &  ) ), SLOT( addSuspendAlarm(const QDateTime &, const QString &  ) ) );
     mAlarmDialog->setServerNotification( false );
     mAlarmDialog->setSuspendTime( KOPrefs::instance()->mAlarmSuspendTime );
 
 
 #ifndef DESKTOP_VERSION
 //US listen for arriving address resultsets
   connect(ExternalAppHandler::instance(), SIGNAL(receivedBirthdayListEvent(const QString&, const QStringList&, const QStringList&, const QStringList&, const QStringList&, const QStringList&, const QStringList&)),
           this, SLOT(insertBirthdays(const QString&, const QStringList&, const QStringList&, const QStringList&, const QStringList&, const QStringList&, const QStringList&)));
 #endif
   mDateNavigator->setCalendar( mCalendar );
 }
 
 
 CalendarView::~CalendarView()
 {
     // kdDebug() << "~CalendarView()" << endl;
     //qDebug("CalendarView::~CalendarView() ");
     delete mDialogManager;
     delete mViewManager;
     delete mStorage;
     delete mDateFrame ;
     delete mEventViewerDialog;
     //kdDebug() << "~CalendarView() done" << endl;
 }
 
 
 void CalendarView::nextConflict( bool all, bool allday )
 {
-    
+    static bool block = false;
+    if ( block ) return;
+    block = true;
     QPtrList<Event> testlist = mCalendar->events();
     Event * test = testlist.first();
     while ( test ) {
         test->setTagged( false );
         test = testlist.next();
     }
     QTime st ( 0,0,0);
     if ( mViewManager->currentView() == mViewManager->agendaView()  )
         st = mViewManager->agendaView()->agenda()->getEndTime();
     //qDebug("time %s ", st.toString().latin1());
     QDateTime startDT = QDateTime (mNavigator->selectedDates().first(),st);
     QDateTime conflict;
     QDateTime retVal;
     bool found = false;
     Event * cE = 0;
     Event * cE2 = 0;
     QPtrList<Event> testlist2 = testlist;
     test = testlist.first();
     bool skip = false;
     topLevelWidget()->setCaption( i18n("Checking conflicts ... please wait") );
+    //QTime tm;
+    //tm.start();
     while ( test ) {
         qApp->processEvents();
         skip = false;
         if ( !all ) skip = ( allday != test->doesFloat() );
         if ( !skip ) {
+            if ( found )
+                skip =  !test->matchTime( &startDT, &conflict );
+            else 
+               skip =  !test->matchTime( &startDT, 0 ); 
+        }
+        if ( !skip ) {
             Event * test2 = testlist2.first();
             while ( test2 ) { 
-                skip = false;
-                if ( !all ) skip = ( allday != test2->doesFloat() );
+                skip = test2->isTagged();
+                if ( !skip  && !all ) skip = ( allday != test2->doesFloat() );
+                if ( !skip ) {
+                    if ( found )
+                        skip =  !test2->matchTime( &startDT, &conflict );
+                    else 
+                        skip =  !test2->matchTime( &startDT, 0 ); 
+                }
                 if ( !skip ) {
-                    if ( !test2->isTagged() ) {
-                        if ( test->isOverlapping ( test2, &retVal, &startDT ) ) {
-                            //qDebug("overlap ");
-                            if ( ! found ) {
-                                if ( retVal >= startDT ) {
-                                    conflict = retVal; 
-                                    cE = test;
-                                    cE2 = test2;
-                                    found = true;
-                                }
-                            } else {
-                                if ( retVal >= startDT && retVal < conflict ) {
-                                    conflict = retVal; 
-                                    cE = test;
-                                    cE2 = test2;
-                                }
+                    if ( test->isOverlapping ( test2, &retVal, &startDT ) ) {
+                        //qDebug("overlap ");
+                        if ( ! found ) {
+                            if ( retVal >= startDT ) {
+                                conflict = retVal; 
+                                cE = test;
+                                cE2 = test2;
+                                found = true;
+                            }
+                        } else {
+                            if ( retVal >= startDT && retVal < conflict ) {
+                                conflict = retVal; 
+                                cE = test;
+                                cE2 = test2;
                             }
                         }
                     }
                 }
                 test2 = testlist2.next();
             }
         }
         test->setTagged( true );
         test = testlist.next();
     }
+    //qDebug("Search time : %d", tm.elapsed());
     if ( found ) {
         if ( mViewManager->currentView() != mViewManager->agendaView() || mNavigator->selectedDates().count() > 1 )
             mViewManager->showDayView();
         mNavigator->slotDaySelect( conflict.date() );
         int hour = conflict.time().hour();
         mViewManager->agendaView()->setStartHour( hour  );
         topLevelWidget()->setCaption( i18n("Conflict %1 <-> %2"). arg( cE->summary().left( 20 ) ).arg( cE2->summary().left( 20 ) ) );
+        block = false;
         return;
     }
 
     topLevelWidget()->setCaption( i18n("No conflict found") );
     qDebug("No conflict found ");
+    block = false;
     return;
 }
 
 void CalendarView::conflictAll()
 {
     nextConflict ( true, true );
 }
 void CalendarView::conflictAllday()
 {
     nextConflict ( false, true );
 }
 void CalendarView::conflictNotAll()
 {
     nextConflict ( false, false );
 }
 
 void CalendarView::setCalReadOnly( int id, bool readO )
 {
     if ( readO ) {
         emit save();
     }
     mCalendar->setReadOnly( id, readO );   
 }
 void CalendarView::setScrollBarStep(int val )
 {
 #ifdef DESKTOP_VERSION
     mDateScrollBar->setLineStep ( val );
 #endif
 }
 void CalendarView::scrollBarValue(int val )
 {
 #ifdef DESKTOP_VERSION
     if ( QApplication::desktop()->width() < 800 ) return;
     static bool block = false;
     if ( block ) return;
     block = true;
     int count = mNavigator->selectedDates().count();
     int day = mNavigator->selectedDates().first().dayOfYear();
     int  stepdays = val;
     if ( mDateScrollBar->lineStep () <= count ) {
         //val = val/mDateScrollBar->lineStep ()*mDateScrollBar->lineStep();
         //qDebug("VAL %d ",val );
         stepdays = (val-day)/mDateScrollBar->lineStep ()*mDateScrollBar->lineStep();
         stepdays = day+stepdays;
         if ( stepdays < 0 ) stepdays = 0;
     }
     if ( stepdays == day ) {
         block = false;
         return;
     }
     int year =  mNavigator->selectedDates().first().year();
     QDate d ( year,1,1 );
     mNavigator->selectDates( d.addDays(  stepdays-1) , count );
     block = false;
 #endif
 
 }
 void CalendarView::updateView(const QDate &start, const QDate &end)
 {
 #ifdef DESKTOP_VERSION
     if ( ! mDateScrollBar->draggingSlider () ) {
         int dof = start.dayOfYear();
         //qDebug("dof %d day %d val %d ", dof, start.dayOfYear(),mDateScrollBar->value() );
         if (  dof != mDateScrollBar->value() ) {
             mDateScrollBar->blockSignals( true );
             mDateScrollBar->setValue( start.dayOfYear()); 
             mDateScrollBar->blockSignals( false );
         }
     }
 #endif
     mTodoList->updateView();
     mViewManager->updateView(start, end);
     //mDateNavigator->updateView();
 }
 
 
 
 void CalendarView::checkFiles()
 {
     QString message;
     QPtrList<KopiCalendarFile> calendars = KOPrefs::instance()->mCalendars;
     KopiCalendarFile * cal = calendars.first();
     while ( cal ) {
         if (  cal->mErrorOnLoad ) {
             message +=  cal->mName +"\n"+KGlobal::formatMessage ( "(" +i18n( "Filepath: ")+ cal->mFileName+")" ,0 )+"\n";
         }
         cal = calendars.next();
     }
     if ( !message.isEmpty() ) {
         message = KGlobal::formatMessage( i18n("Calendar(s) not loaded:"),0 )+"\n" + message +KGlobal::formatMessage(i18n("You can try to reload the calendar in the Resource View!"),0); 
         KMessageBox::error(this,message, i18n("Loding of calendar(s) failed"));
     }
     QTimer::singleShot( 2000, this, SLOT ( checkAlarms() ));
 }
 void CalendarView::checkAlarms()
 {
 
    
     KConfig *config = KOGlobals::config();
     config->setGroup( "AppRun" );
     QDateTime dt ( QDate (2005,1,1), QTime( 0,0,0 ) );
     int daysto = dt.daysTo( QDate::currentDate() );
     int days = config->readNumEntry( "LatestProgramStopDays" , daysto);
     dt =  dt.addDays( days );
     int secto = dt.secsTo( QDateTime::currentDateTime() );
     int secs = config->readNumEntry( "LatestProgramStopSecs" , secto) - 30;
     //qDebug("KO: Reading program stop %d ", secs);
     //secs -= ( 3600 * 24*3 ); // debug only 
     QDateTime latest = dt.addSecs ( secs );
     qDebug("KO: Last termination on %s ", latest.toString().latin1());
     //qDebug("KO: Current Time %s ",QDateTime::currentDateTime().toString().latin1() );
     QPtrList<Incidence> el = mCalendar->rawIncidences(); 
     QPtrList<Incidence> al;
     Incidence* inL = el.first(); 
     QDateTime cur = QDateTime::currentDateTime().addSecs(-59);
     qDebug("KO: Checking alarm until %s ", cur.toString().latin1());
     while ( inL ) {  
         bool ok = false;
         int offset = 0;
         QDateTime next = inL->getNextAlarmDateTime(& ok, &offset, latest ) ;
         if ( ok ) {
             //qDebug("OK %s",next.toString().latin1());
             if ( next < cur ) {
                 al.append( inL );
                 //qDebug("found missed alarm: %s ", inL->summary().latin1() );
             }
         }
         inL = el.next();
     }
     if ( al.count() ) {
         QDialog* dia = new QDialog( this, "huhu", false, WDestructiveClose | WStyle_StaysOnTop  );
         dia->setCaption( i18n("KO/Pi: Missing alarms!") );
         QVBoxLayout* lay = new QVBoxLayout( dia );
         lay->setSpacing( 0 );
         lay->setMargin( 0 );
         MissedAlarmTextBrowser* matb = new MissedAlarmTextBrowser ( dia, al, latest );
         connect( matb, SIGNAL( showIncidence( QString ) ),SLOT( showIncidence( QString ) ));
         lay->addWidget( matb ); 
         if ( QApplication::desktop()->width() == 480 || QApplication::desktop()->width() == 640 ) {
             int wid = 210;
             int x = QApplication::desktop()->width() - wid - 7;
             int y = QApplication::desktop()->height() - wid - 70;
             dia->setGeometry ( x,y,wid,wid);
         } else {
             int si = 220;
             if ( QApplication::desktop()->width() > 470 )
                 si = 400;
             dia->resize(si,si/2);
         }
         dia->setBackgroundColor( QColor( 255, 255, 255 ) );
         dia->show();
 
     }
 }
 void CalendarView::showDay( QDate d )
 {
     dateNavigator()->blockSignals( true );
     dateNavigator()->selectDate( d );
     dateNavigator()->blockSignals( false );
     mViewManager->showDayView();
     //dateNavigator()->selectDate( d );
 }
 void CalendarView::timerAlarm()
 {
     //qDebug("CalendarView::timerAlarm() ");
     computeAlarm(mAlarmNotification );
 }
 
 void CalendarView::suspendAlarm()
 {
     //qDebug(" CalendarView::suspendAlarm() ");
     computeAlarm(mSuspendAlarmNotification );
 
 }
 
 void  CalendarView::startAlarm( QString mess , QString filename)
 {
 
     topLevelWidget()->showNormal();
     topLevelWidget()->setActiveWindow();
     topLevelWidget()->raise(); 
 
     mAlarmDialog->eventNotification( mess, KOPrefs::instance()->mAlarmPlayBeeps, filename, true,KOPrefs::instance()->mAlarmBeepInterval ,KOPrefs::instance()->mAlarmSuspendCount );
     QTimer::singleShot( 2000, this, SLOT( checkNextTimerAlarm() ) );
 
 }
     
 void CalendarView::checkNextTimerAlarm()
 {
     mCalendar->checkAlarmForIncidence( 0, true );
 }
 
@@ -2583,395 +2600,404 @@ void CalendarView::writeSettings()
 
     config->sync();
 }
 
 void CalendarView::readFilterSettings(KConfig *config)
 {
     //  kdDebug() << "CalendarView::readFilterSettings()" << endl;
 
     mFilters.clear();
 
     config->setGroup("General");
     QStringList filterList = config->readListEntry("CalendarFilters");
 
     QStringList::ConstIterator it = filterList.begin();
     QStringList::ConstIterator end = filterList.end();
     while(it != end) {
         //    kdDebug() << "  filter: " << (*it) << endl;
 
         CalFilter *filter;
         filter = new CalFilter(*it);
         config->setGroup("Filter_" + (*it).utf8());
         //qDebug("readFilterSettings %d ",config->readNumEntry("Criteria",0) );
         filter->setCriteria(config->readNumEntry("Criteria",0));
         filter->setCategoryList(config->readListEntry("CategoryList"));
         mFilters.append(filter);
 
         ++it;
     }
 
     if (mFilters.count() == 0) {
         CalFilter *filter = new CalFilter(i18n("Default"));
         mFilters.append(filter);
     }
     mFilterView->updateFilters();
     config->setGroup("FilterView");
 
     mFilterView->blockSignals(true);
     mFilterView->setFiltersEnabled(config->readBoolEntry("FilterEnabled"));
     mFilterView->setSelectedFilter(config->readEntry("Current Filter"));
     mFilterView->blockSignals(false);
     // We do it manually to avoid it being done twice by the above calls
     updateFilter();
 }
 
 void CalendarView::writeFilterSettings(KConfig *config)
 {
     //  kdDebug() << "CalendarView::writeFilterSettings()" << endl;
 
     QStringList filterList;
 
     CalFilter *filter = mFilters.first();
     while(filter) {
         //    kdDebug() << " fn: " << filter->name() << endl;
         filterList << filter->name();
         config->setGroup("Filter_" + filter->name().utf8());
         config->writeEntry("Criteria",filter->criteria());
         config->writeEntry("CategoryList",filter->categoryList());
         filter = mFilters.next();
     }
     config->setGroup("General");
     config->writeEntry("CalendarFilters",filterList);
 
     config->setGroup("FilterView");
     config->writeEntry("FilterEnabled",mFilterView->filtersEnabled());
     config->writeEntry("Current Filter",mFilterView->selectedFilter()->name());
 }
 
 
 void CalendarView::goToday()
 {
     if ( mViewManager->currentView()->isMonthView() )
         mNavigator->selectTodayMonth();
     else
         mNavigator->selectToday();
 }
 
 void CalendarView::goNext()
 {
     mNavigator->selectNext();
 }
 
 void CalendarView::goPrevious()
 {
     mNavigator->selectPrevious();
 }
 void CalendarView::goNextMonth()
 {
     mNavigator->selectNextMonth();
 }
 
 void CalendarView::goPreviousMonth()
 {
     mNavigator->selectPreviousMonth();
 }
 
 void CalendarView::updateConfig()
 {
     if ( KOPrefs::instance()->mUseAppColors )
         QApplication::setPalette( QPalette (KOPrefs::instance()->mAppColor1, KOPrefs::instance()->mAppColor2), true );
     emit configChanged();
     mTodoList->updateConfig();
     // mDateNavigator->setFont ( KOPrefs::instance()->mDateNavigatorFont);
     mCalendar->setTimeZoneId(KPimGlobalPrefs::instance()->mTimeZoneId);
     // To make the "fill window" configurations work
     //mViewManager->raiseCurrentView();
 }
 
 
 void CalendarView::eventChanged(Event *event)
 {
     changeEventDisplay(event,KOGlobals::EVENTEDITED);
     //updateUnmanagedViews();
 }
 
 void CalendarView::eventAdded(Event *event)
 {
     changeEventDisplay(event,KOGlobals::EVENTADDED);
 }
 
 void CalendarView::eventToBeDeleted(Event *)
 {
     kdDebug() << "CalendarView::eventToBeDeleted(): to be implemented" << endl;
 }
 
 void CalendarView::eventDeleted()
 {
     changeEventDisplay(0,KOGlobals::EVENTDELETED);
 }
 void CalendarView::changeTodoDisplay(Todo *which, int action)
 {
     changeIncidenceDisplay((Incidence *)which,  action);
     mDateNavigator->updateView(); //LR
     //mDialogManager->updateSearchDialog();
 
     if (which) {
         mViewManager->updateWNview();
         //mTodoList->updateView();
     }
    
 }
 
 void CalendarView::changeIncidenceDisplay(Incidence *which, int action)
 {
     updateUnmanagedViews();
     //qDebug(" CalendarView::changeIncidenceDisplay++++++++++++++++++++++++++  %d  %d ",which, action );
     if ( action == KOGlobals::EVENTDELETED ) { //delete
         mCalendar->checkAlarmForIncidence( 0, true );
         if ( mEventViewerDialog )
             mEventViewerDialog->hide();
     } 
     else
         mCalendar->checkAlarmForIncidence( which , false );
 }
 
 // most of the changeEventDisplays() right now just call the view's
 // total update mode, but they SHOULD be recoded to be more refresh-efficient.
 void CalendarView::changeEventDisplay(Event *which, int action)
 {
     //  kdDebug() << "CalendarView::changeEventDisplay" << endl;
     changeIncidenceDisplay((Incidence *)which,  action);
     static bool clearallviews = false;
     if ( KOPrefs::instance()->mGlobalUpdateDisabled ) {
         if ( clearallviews ) {
             clearAllViews();
             clearallviews = false;
         }
         return;
     }
     clearallviews = true;
     mDateNavigator->updateView();
     //mDialogManager->updateSearchDialog();
     if (which) {
         // If there is an event view visible update the display
         mViewManager->currentView()->changeEventDisplay(which,action);
         // TODO: check, if update needed
         //    if (which->getTodoStatus()) {
         mTodoList->updateView();
         if (  action != KOGlobals::EVENTDELETED ) {
             mConflictingEvent = which ;
             QTimer::singleShot( 1000, this, SLOT ( checkConflictForEvent() ) );
         }
         //    }
     } else {
         mViewManager->currentView()->updateView();
     }
 }
 void CalendarView::checkConflictForEvent()
 {
 
     if (!KOPrefs::instance()->mConfirm)
         return;
     if ( ! mConflictingEvent ) return;
-    topLevelWidget()->setCaption( i18n("Checking conflicts ... please wait") );
+    QDateTime current = QDateTime::currentDateTime();
+    if ( ! mConflictingEvent->matchTime( &current, 0 ) ) {
+        mConflictingEvent = 0;
+        return;
+    }
     QPtrList<Event> testlist = mCalendar->events();
     Event * test = testlist.first();
     QDateTime conflict;
     QDateTime retVal;
     bool found = false;
     Event * cE = 0;
-    QDateTime current = QDateTime::currentDateTime();
+    topLevelWidget()->setCaption( i18n("Checking conflicts ... please wait") );
     while ( test ) {
-        qApp->processEvents();
-        if ( !test->doesFloat() ) {
+        qApp->processEvents(); 
+        bool skip = false;
+        if ( found )
+            skip =  !test->matchTime( &current, &conflict );
+        else 
+            skip =  !test->matchTime( &current, 0 ); 
+        if ( !skip && !test->doesFloat() ) {
             if ( mConflictingEvent->isOverlapping ( test, &retVal, &current ) ) {
                 if ( ! found ) {
                     conflict = retVal; 
                     cE = test;
                 } else {
                     if ( retVal < conflict ) {
                         conflict = retVal; 
                         cE = test;
                     }
                 }
                 found = true;
             }
         }
         test = testlist.next();
     }
     if ( found ) {
         QString mess = i18n("The event\n%1\nconflicts with event\n%2\nat date\n%3.\n").arg(KGlobal::formatMessage ( mConflictingEvent->summary(),0 ) ).arg( KGlobal::formatMessage ( cE->summary(),0 )).arg(KGlobal::locale()->formatDate(conflict.date()) ) ;
         qApp->processEvents();
         int km = KMessageBox::warningContinueCancel(this,mess,
                                                     i18n("KO/Pi Conflict delected"),i18n("Show date"),i18n("No problem!"));
         if ( km != KMessageBox::Continue )
             return;
 
         if ( mViewManager->currentView() != mViewManager->agendaView() || mNavigator->selectedDates().count() > 1 )
             mViewManager->showDayView();
         mNavigator->slotDaySelect( conflict.date() );
         int hour = conflict.time().hour();
         mViewManager->agendaView()->setStartHour( hour  );
         topLevelWidget()->setCaption( i18n("Conflict %1 <-> %2"). arg( mConflictingEvent->summary().left( 20 ) ).arg( cE->summary().left( 20 ) ) );
     } else
         topLevelWidget()->setCaption( i18n("No conflict found") );
     mConflictingEvent = 0;
     return;
    
 }
 
 void CalendarView::updateTodoViews()
 {
     mTodoList->updateView();
     mViewManager->currentView()->updateView();
  
 }
 
 
 
 void CalendarView::clearAllViews()
 {
     mTodoList->clearList();
     mViewManager->clearAllViews();
     SearchDialog * sd = mDialogManager->getSearchDialog();
     if ( sd ) {
         KOListView* kol = sd->listview();
         if ( kol )
             kol->clearList();
     }
 }
 void CalendarView::updateView()
 {
     static bool clearallviews = false;
     if ( KOPrefs::instance()->mGlobalUpdateDisabled ) {
         if ( clearallviews ) {
             clearAllViews();
             clearallviews = false;
         }
         return;
     }
     clearallviews = true;
     DateList tmpList = mNavigator->selectedDates();
 
     if ( KOPrefs::instance()->mHideNonStartedTodos ) 
         mTodoList->updateView();
     // We assume that the navigator only selects consecutive days.
     updateView( tmpList.first(), tmpList.last() );
 }
 
 void CalendarView::updateUnmanagedViews()
 {
     mDateNavigator->updateDayMatrix();
 }
 
 int CalendarView::msgItemDelete(const QString name)
 {
     return KMessageBox::warningContinueCancel(this,name +"\n\n"+
                                               i18n("This item will be\npermanently deleted."),
                                               i18n("KO/Pi Confirmation"),i18n("Delete"));
 }
 
 
 void CalendarView::edit_cut()
 {
     Event *anEvent=0;
 
     Incidence *incidence = mViewManager->currentView()->selectedIncidences().first();
 
     if (mViewManager->currentView()->isEventView()) {
         if ( incidence && incidence->typeID() == eventID ) {
             anEvent = static_cast<Event *>(incidence);
         }
     }
 
     if (!anEvent) {
         KNotifyClient::beep();
         return;
     }
     DndFactory factory( mCalendar );
     factory.cutIncidence(anEvent);
     changeEventDisplay(anEvent, KOGlobals::EVENTDELETED);
 }
 
 void CalendarView::edit_copy()
 {
     Event *anEvent=0;
 
     Incidence *incidence = mViewManager->currentView()->selectedIncidences().first();
 
     if (mViewManager->currentView()->isEventView()) {
         if ( incidence && incidence->typeID() == eventID ) {
             anEvent = static_cast<Event *>(incidence);
         }
     }
 
     if (!anEvent) {
         KNotifyClient::beep();
         return;
     }
     DndFactory factory( mCalendar );
     factory.copyIncidence(anEvent);
 }
 
 void CalendarView::edit_paste()
 {
     QDate date = mNavigator->selectedDates().first();
 
     DndFactory factory( mCalendar );
     Event *pastedEvent = (Event *)factory.pasteIncidence( date );
 
     changeEventDisplay( pastedEvent, KOGlobals::EVENTADDED );
 }
 void CalendarView::edit_global_options()
 {
     QString tz = KPimGlobalPrefs::instance()->mTimeZoneId;
     emit save();
     emit saveStopTimer();
     mDialogManager->showGlobalOptionsDialog();
     if ( tz != KPimGlobalPrefs::instance()->mTimeZoneId) {
         emit saveStopTimer();
         if ( KMessageBox::Cancel == KMessageBox::warningContinueCancel(this, i18n("The timezone has changed!\nShould the calendar be reloaded\nto shift the time of the events?\nPlease read Menu: Help->FAQ:\n\"How do I change the timezone?\"\nas well!"),
                                                  i18n("Timezone settings"),i18n("Reload"))) {
             qDebug("KO: TZ reload cancelled ");
             mCalendar->setTimeZoneId(KPimGlobalPrefs::instance()->mTimeZoneId);
             return;
         }
         qDebug("KO: Timezone change ");
         loadCalendars();
         setModified(true);
     }
     else
         qDebug("KO: No tz change ");
 }
 void CalendarView::edit_options()
 {
     mDialogManager->showOptionsDialog();
 }
 
 
 void  CalendarView::slotSelectPickerDate( QDate  d)
 {
     mDateFrame->hide();
     if ( mDatePickerMode == 1 ) {
         mNavigator->slotDaySelect( d );
     } else  if ( mDatePickerMode == 2 ) {
         if ( mMoveIncidence->typeID() == todoID ) {
             Todo * to = (Todo *) mMoveIncidence;
             QTime tim;
             int len  = 0;
             if ( to->hasStartDate() &&  to->hasDueDate() )
                 len = to->dtStart().secsTo( to->dtDue());
             if ( to->hasDueDate() ) 
                 tim = to->dtDue().time();
             else {
                 tim = QTime ( 0,0,0 );
                 to->setFloats( true );
                 to->setHasDueDate( true );
             }
             QDateTime dt ( d,tim );
             to->setDtDue( dt );
 
             if ( to->hasStartDate() ) {
                 if ( len>0 ) 
                     to->setDtStart(to->dtDue().addSecs( -len ));
                 else
                     if (to->dtStart() > to->dtDue() )