Take care of the lifetime of the EffectiveEvent/Occurence

Make sure not to keep reference on non existing objects

4 files changed, 13 insertions, 14 deletions

diff --git a/core/pim/datebook/datebookday.cpp b/core/pim/datebook/datebookday.cpp
index 4d64099..751a1da 100644
--- a/core/pim/datebook/datebookday.cpp
+++ b/core/pim/datebook/datebookday.cpp
@@ -766,79 +766,81 @@ void DateBookDayWidget::paintEvent( QPaintEvent *e )
  * we need to check from one day to another...
  */
 QDate DateBookDay::findRealStart( int uid, const QDate& isIncluded ,  DateBookDB* db) {
     QDate dt( isIncluded );
     QDate fnd = dt;
 
     bool doAgain = true;
     do{
         dt = dt.addDays( -1 );
         QValueList<EffectiveEvent> events = db->getEffectiveEvents( dt, dt );
         for (QValueList<EffectiveEvent>::Iterator it = events.begin(); it != events.end(); ++it ) {
             EffectiveEvent ev = (*it);
             if ( uid == ev.event().uid() && ev.start() != QTime(0, 0, 0 ) )
                 return ev.date();
         }
     }while (doAgain );
 
     return fnd;
 }
 
 void DateBookDayWidget::mousePressEvent( QMouseEvent *e )
 {
 	DateBookDayWidget *item;
 
 	item = dateBook->getSelectedWidget();
 	if (item)
 		item->update();
 
 	dateBook->setSelectedWidget(this);
 	update();
 	dateBook->repaint();
 
+        Event eve = ev.event();
+
 	QPopupMenu m;
 	m.insertItem( tr( "Edit" ), 1 );
 	m.insertItem( tr( "Duplicate" ), 4 );
 	m.insertItem( tr( "Delete" ), 2 );
 	if(Ir::supported()) m.insertItem( tr( "Beam" ), 3 );
         if(Ir::supported() && ev.event().doRepeat() ) m.insertItem( tr( "Beam this occurence"), 5 );
 	int r = m.exec( e->globalPos() );
 	if ( r == 1 ) {
-		emit editMe( ev.event() );
+		emit editMe( eve );
 	} else if ( r == 2 ) {
-		emit deleteMe( ev.event() );
+		emit deleteMe( eve );
 	} else if ( r == 3 ) {
-		emit beamMe( ev.event() );
+		emit beamMe( eve );
 	} else if ( r == 4 ) {
-		emit duplicateMe( ev.event() );
+		emit duplicateMe( eve );
 	} else if ( r == 5 ) {
             // create an Event and beam it...
             /*
              * Start with the easy stuff. If start and  end date is the same we can just use
              * the values of effective events
              * If it is a multi day event we need to find the real start and end date...
              */
             if ( ev.event().start().date() == ev.event().end().date() ) {
                 Event event( ev.event() );
 
                 QDateTime dt( ev.date(), ev.start() );
                 event.setStart( dt );
 
                 dt.setTime( ev.end() );
                 event.setEnd( dt );
                 emit beamMe( event );
             }else {
                 /*
                  * at least the the Times are right now
                  */
                 QDateTime start( ev.event().start() );
                 QDateTime end  ( ev.event().end  () );
 
 
                 /*
                  * ok we know the start date or we need to find it
                  */
                 if ( ev.start() != QTime( 0, 0, 0 ) ) {
                     start.setDate( ev.date() );
                 }else {
                     QDate dt = DateBookDay::findRealStart( ev.event().uid(), ev.date(), dateBook->db );
                     start.setDate( dt );
diff --git a/core/pim/datebook/datebookday.h b/core/pim/datebook/datebookday.h
index 3898cbc..c8cb26b 100644
--- a/core/pim/datebook/datebookday.h
+++ b/core/pim/datebook/datebookday.h
@@ -95,65 +95,65 @@ class DateBookDayWidget : public QWidget
 
 public:
     DateBookDayWidget( const EffectiveEvent &e, DateBookDay *db );
     ~DateBookDayWidget();
 
     const QRect &geometry() { return geom; }
     void setGeometry( const QRect &r );
 
     const EffectiveEvent &event() const { return ev; }
 
 signals:
     void deleteMe( const Event &e );
     void duplicateMe( const Event &e );
     void editMe( const Event &e );
     void beamMe( const Event &e );
 
 protected:
     void paintEvent( QPaintEvent *e );
     void mousePressEvent( QMouseEvent *e );
 
 private:
     /**
      * Sets the text for an all day Event
      * All day events have no time associated
      */
     void setAllDayText( QString& text );
 
     /**
      * Sets the EventText
      * it got a start and an end Time
      */
     void setEventText( QString& text );
-    const EffectiveEvent ev;
+    EffectiveEvent ev;
     DateBookDay *dateBook;
     QString text;
     QRect geom;
 };
 
 //Marker for current time in the dayview
 class DateBookDayTimeMarker : public QWidget
 {
     Q_OBJECT
 
 public:
     DateBookDayTimeMarker( DateBookDay *db );
     ~DateBookDayTimeMarker();
 
     const QRect &geometry() { return geom; }
     void setGeometry( const QRect &r );
     void setTime( const QTime &t );
 
 signals:
 
 protected:
     void paintEvent( QPaintEvent *e );
 
 private:
     QRect geom;
     QTime time;
     DateBookDay *dateBook;
 };
 
 //reimplemented the compareItems function so that it sorts DayWidgets by geometry heights
 class WidgetListClass : public QList<DateBookDayWidget>
 {
diff --git a/core/pim/datebook/datebookdayallday.cpp b/core/pim/datebook/datebookdayallday.cpp
index 2294f3c..1244fd3 100644
--- a/core/pim/datebook/datebookdayallday.cpp
+++ b/core/pim/datebook/datebookdayallday.cpp
@@ -127,95 +127,96 @@ void DatebookAlldayDisp::beam_single_event()
 
         /*
          * ok we know the start date or we need to find it
          */
         if ( m_Ev.start() != QTime( 0, 0, 0 ) ) {
             start.setDate( m_Ev.date() );
         }else {
             QDate dt = DateBookDay::findRealStart( m_Ev.event().uid(), m_Ev.date(), dateBook );
             start.setDate( dt );
         }
 
         /*
          * ok we know now the end date...
          * else
          *   get to know the offset btw the real start and real end
          *   and then add it to the new start date...
          */
         if ( m_Ev.end() != QTime(23, 59, 59 ) ) {
             end.setDate( m_Ev.date() );
         }else{
             int days = m_Ev.event().start().date().daysTo( m_Ev.event().end().date() );
             end.setDate( start.date().addDays( days ) );
         }
         Event m_Event( m_Ev.event() );
         m_Event.setStart( start );
         m_Event.setEnd  ( end   );
         emit beamMe( m_Event );
     }
 }
 
 void DatebookAlldayDisp::mousePressEvent(QMouseEvent*e)
 {
+    Event ev = m_Ev.event();
     QColor b = backgroundColor();
     setBackgroundColor(green);
     update();
     QPopupMenu m;
     m.insertItem( DateBookDayWidget::tr( "Edit" ), 1 );
     m.insertItem( DateBookDayWidget::tr( "Duplicate" ), 4 );
     m.insertItem( DateBookDayWidget::tr( "Delete" ), 2 );
     if(Ir::supported()) m.insertItem( DateBookDayWidget::tr( "Beam" ), 3 );
     if(Ir::supported() && m_Ev.event().doRepeat() ) m.insertItem( DateBookDayWidget::tr( "Beam this occurence"), 5 );
     m.insertItem( tr( "Info"),6);
     int r = m.exec( e->globalPos() );
     setBackgroundColor(b);
     update();
     switch (r) {
     case 1:
-        emit editMe( m_Ev.event() );
+        emit editMe( ev );
         break;
     case 2:
-        emit deleteMe( m_Ev.event() );
+        emit deleteMe( ev );
         break;
     case 3:
-        emit beamMe( m_Ev.event() );
+        emit beamMe( ev );
         break;
     case 4:
-        emit duplicateMe( m_Ev.event() );
+        emit duplicateMe( ev );
         break;
     case 5:
         beam_single_event();
         break;
     case 6:
-        emit displayMe( m_Ev.event() );
+        emit displayMe( ev );
         break;
     default:
         break;
     }
 }
 
 DatebookEventDesc::DatebookEventDesc(QWidget*parent,const char*name)
     :QLabel(parent,name)
 {
    m_Timer=new QTimer(this);
    connect(m_Timer,SIGNAL(timeout()),this,SLOT(hide()));
    setFrameStyle(QFrame::Sunken|QFrame::Panel);
    setTextFormat(RichText);
 }
 
 DatebookEventDesc::~DatebookEventDesc()
 {
 }
 
 void DatebookEventDesc::mousePressEvent(QMouseEvent*)
 {
     hide();
     if (m_Timer->isActive()) m_Timer->stop();
 }
 
 void DatebookEventDesc::disp_event(const Event&e)
 {
     if (m_Timer->isActive()) m_Timer->stop();
     QString text;
     text = "<b><i>"+e.description()+"</i></b><br>";
     if (e.notes().length()>0) {
         text+="<b>"+e.notes()+"</b><br>";
diff --git a/core/pim/datebook/datebookweek.cpp b/core/pim/datebook/datebookweek.cpp
index 8435132..933e191 100644
--- a/core/pim/datebook/datebookweek.cpp
+++ b/core/pim/datebook/datebookweek.cpp
@@ -53,67 +53,64 @@ void DateBookWeekItem::setGeometry( int x, int y, int w, int h )
 
 DateBookWeekView::DateBookWeekView( bool ap, bool startOnMonday,
 				    QWidget *parent, const char *name )
     : QScrollView( parent, name ), ampm( ap ), bOnMonday( startOnMonday ),
       showingEvent( false )
 {
     items.setAutoDelete( true );
 
     viewport()->setBackgroundMode( PaletteBase );
 
     header = new QHeader( this );
     header->addLabel( "" );
 
     header->setMovingEnabled( false );
     header->setResizeEnabled( false );
     header->setClickEnabled( false, 0 );
     initNames();
 
 
     connect( header, SIGNAL(clicked(int)), this, SIGNAL(showDay(int)) );
 
     QObject::connect(qApp, SIGNAL(clockChanged(bool)),
 	    this, SLOT(slotChangeClock(bool)));
 
     QFontMetrics fm( font() );
     rowHeight = fm.height()+2;
 
     resizeContents( width(), 24*rowHeight );
 }
 
 void DateBookWeekView::initNames()
 {
-#warning Please review this ! (eilers)
-
-    // Ok, I am Mr. Pedantic, but shouldn't we count until 6 instead of 7, if bOnMonday is false ? (eilers)
 
     static bool bFirst = true;
     if ( bFirst ) {
 	if ( bOnMonday ) {
                     for ( int i = 1; i<=7; i++  )  {
                          header->addLabel( Calendar::nameOfDay( i ) );
                     }
 
 	} else {
                     header->addLabel( Calendar::nameOfDay( 7 ) );
                     for ( int i = 1; i<7; i++  )  {
                          header->addLabel( Calendar::nameOfDay( i ) );
                     }
                 }
 	bFirst = false;
     } else {
 	// we are change things...
 	if ( bOnMonday ) {
                     for ( int i = 1; i<=7; i++  )  {
                         header->setLabel( i, Calendar::nameOfDay( i ) );
                     }
 
 	} else {
                     header->setLabel( 1, Calendar::nameOfDay( 7 ) );
                     for ( int i = 1; i<7; i++  )  {
                         header->setLabel( i+1, Calendar::nameOfDay( i ) );
                     }
 
 	}
     }
 }
 
@@ -285,65 +282,64 @@ void DateBookWeekView::drawContents( QPainter *p, int cx, int cy, int cw, int ch
 		    s += QString::number( t - 12 ) + tr("p");
 		} else {
 		    if ( 12 - t < 3 )
 			s = "";
 		    else
 			s = " ";
 		    s += QString::number( t );
 		}
 	    } else {
 		s = QString::number( t );
 		if ( s.length() == 1 )
 		    s.prepend( "0" );
 	    }
 	    p->drawText( 1, y+p->fontMetrics().ascent()+1, s );
 	}
     }
 
     QListIterator<DateBookWeekItem> it(items);
     for ( ; it.current(); ++it ) {
 	DateBookWeekItem *i = it.current();
 	if ( i->geometry().intersects( ur ) ) {
 	    p->setBrush( i->color() );
 	    p->drawRect( i->geometry() );
 	}
     }
 }
 
 void DateBookWeekView::resizeEvent( QResizeEvent *e )
 {
     const int hourWidth = 20;
     QScrollView::resizeEvent( e );
 
-#warning check the geometry i have choosen BRANCH_1_0 (waspe)
 
     //HEAD
     /*
     int avail = visibleWidth();
     header->setGeometry( leftMargin()+frameWidth()+frameRect().left() , frameWidth(),
 			  visibleWidth(), header->sizeHint().height() );
     setMargins( 0, header->sizeHint().height(), 0, 0 );
     */
     //BRANCH_1_0
     int avail = width()-qApp->style().scrollBarExtent().width()-1;
     header->setGeometry( 0, 0, avail, header->sizeHint().height() );
     setMargins( 0, header->height(), 0, 0 );
 
 
     header->resizeSection( 0, hourWidth );
     int sw = (avail - hourWidth) / 7;
     for ( int i = 1; i < 7; i++ )
 	header->resizeSection( i, sw );
     header->resizeSection( 7, avail - hourWidth - sw*6 );
 }
 
 void DateBookWeekView::setStartOfWeek( bool bStartOnMonday )
 {
     bOnMonday = bStartOnMonday;
     initNames();
 }
 
 //-------------------------------------------------------------------
 
 DateBookWeek::DateBookWeek( bool ap, bool startOnMonday, DateBookDB *newDB,
 			    QWidget *parent, const char *name )
     : QWidget( parent, name ),