From f06311e58cb5887fd673eb1c2c48acf7cd987ad9 Mon Sep 17 00:00:00 2001
From: zautrix <zautrix>
Date: Sun, 10 Jul 2005 20:11:56 +0000
Subject: smarter faster conflict search

---
(limited to 'korganizer')

diff --git a/korganizer/calendarview.cpp b/korganizer/calendarview.cpp
index a9e402e..427d71b 100644
--- a/korganizer/calendarview.cpp
+++ b/korganizer/calendarview.cpp
@@ -659,7 +659,9 @@ CalendarView::~CalendarView()
 
 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 ) {
@@ -680,32 +682,44 @@ void CalendarView::nextConflict( bool all, bool allday )
     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;
                             }
                         }
                     }
@@ -716,6 +730,7 @@ void CalendarView::nextConflict( bool all, bool allday )
         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();
@@ -723,11 +738,13 @@ void CalendarView::nextConflict( bool all, bool allday )
         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;
 }
 
@@ -2772,17 +2789,26 @@ 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; 
--
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