Bugfix: Datebook shouldn't crash if we modify prefences when dayview isn't initialized. :)

1 files changed, 97 insertions, 92 deletions

diff --git a/core/pim/datebook/datebook.cpp b/core/pim/datebook/datebook.cpp
index 1bc82a5..829f8f8 100644
--- a/core/pim/datebook/datebook.cpp
+++ b/core/pim/datebook/datebook.cpp
@@ -1,823 +1,828 @@
 /**********************************************************************
 ** Copyright (C) 2000 Trolltech AS.  All rights reserved.
 **
 ** This file is part of Qtopia Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
 **
 ** Contact info@trolltech.com if any conditions of this licensing are
 ** not clear to you.
 **
 ** $Id$
 **
 **********************************************************************/
 
 #define QTOPIA_INTERNAL_FD
 
 #include "datebook.h"
 #include "datebookday.h"
 #include "datebooksettings.h"
 #include "datebookweek.h"
 #include "datebookweeklst.h"
 #include "dateentryimpl.h"
 
 #include <qpe/datebookmonth.h>
 #include <qpe/qpeapplication.h>
 #include <qpe/config.h>
 #include <qpe/qpedebug.h>
 #include <qpe/event.h>
 #include <qpe/finddialog.h>
 #include <qpe/ir.h>
 #include <qpe/qpemenubar.h>
 #include <qpe/qpemessagebox.h>
 #include <qpe/resource.h>
 #include <qpe/sound.h>
 #include <qpe/timestring.h>
 #include <qpe/qpetoolbar.h>
 #include <qpe/tzselect.h>
 #include <qpe/xmlreader.h>
 
 #include <qaction.h>
 #include <qcopchannel_qws.h>
 #include <qdatetime.h>
 #include <qdialog.h>
 #include <qfile.h>
 #include <qlabel.h>
 #include <qlayout.h>
 #include <qmessagebox.h>
 #include <qpopupmenu.h>
 #include <qpushbutton.h>
 #include <qregexp.h>
 #include <qtextcodec.h>
 #include <qtextstream.h>
 #include <qtimer.h>
 #include <qtl.h>
 #include <qwidgetstack.h>
 #include <qwindowsystem_qws.h>
 
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <fcntl.h>
 #include <unistd.h>
 
 #include <stdlib.h>
 
 #define DAY 1
 #define WEEK 2
 #define WEEKLST 4
 #define MONTH 3
 
 
 DateBook::DateBook( QWidget *parent, const char *, WFlags f )
     : QMainWindow( parent, "datebook", f ),
       aPreset( FALSE ),
       presetTime( -1 ),
       startTime( 8 ), // an acceptable default
       rowStyle( 0 ),
       bJumpToCurTime(FALSE),
       syncing(FALSE),
       inSearch(FALSE),
       alarmCounter(0)
 {
     bool needEvilHack= false; // if we need an Evil Hack
     QTime t;
     t.start();
     db = new DateBookDBHack;
     qDebug("loading db t=%d", t.elapsed() );
     loadSettings();
     setCaption( tr("Calendar") );
     setIcon( Resource::loadPixmap( "datebook_icon" ) );
 
     setToolBarsMovable( FALSE );
 
     views = new QWidgetStack( this );
     setCentralWidget( views );
 
     dayView = 0;
     weekView = 0;
     weekLstView = 0;
     monthView = 0;
 
     QPEToolBar *bar = new QPEToolBar( this );
     bar->setHorizontalStretchable( TRUE );
 
     QPEMenuBar *mb = new QPEMenuBar( bar );
     mb->setMargin( 0 );
 
     QPEToolBar *sub_bar = new QPEToolBar(this);
 
     QPopupMenu *view = new QPopupMenu( this );
     QPopupMenu *settings = new QPopupMenu( this );
 
     mb->insertItem( tr( "View" ), view );
     mb->insertItem( tr( "Settings" ), settings );
 
     QActionGroup *g = new QActionGroup( this );
     g->setExclusive( TRUE );
 
     QAction *a = new QAction( tr( "New" ), Resource::loadPixmap( "new" ),
                               QString::null, 0, this, 0 );
     connect( a, SIGNAL( activated() ), this, SLOT( fileNew() ) );
     a->addTo( sub_bar );
 
     a = new QAction( tr( "Today" ), Resource::loadPixmap( "datebook/to_day" ),  QString::null, 0, g, 0 );
     connect( a, SIGNAL( activated() ), this, SLOT( slotToday() ) );
     a->addTo( sub_bar );
     a->addTo( view );
 
     a = new QAction( tr( "Day" ), Resource::loadPixmap( "day" ), QString::null, 0, g, 0 );
     connect( a, SIGNAL( activated() ), this, SLOT( viewDay() ) );
     a->addTo( sub_bar );
     a->addTo( view );
     a->setToggleAction( TRUE );
     a->setOn( TRUE );
     dayAction = a;
 
     a = new QAction( tr( "Week" ), Resource::loadPixmap( "week" ), QString::null, 0, g, 0 );
     connect( a, SIGNAL( activated() ), this, SLOT( viewWeek() ) );
     a->addTo( sub_bar );
     a->addTo( view );
     a->setToggleAction( TRUE );
     weekAction = a;
 
     a = new QAction( tr( "WeekLst" ), Resource::loadPixmap( "datebook/weeklst" ), QString::null, 0, g, 0 );
     connect( a, SIGNAL( activated() ), this, SLOT( viewWeekLst() ) );
     a->addTo( sub_bar );
     a->addTo( view );
     a->setToggleAction( TRUE );
     weekLstAction = a;
 
     a = new QAction( tr( "Month" ), Resource::loadPixmap( "month" ), QString::null, 0, g, 0 );
     connect( a, SIGNAL( activated() ), this, SLOT( viewMonth() ) );
     a->addTo( sub_bar );
     a->addTo( view );
     a->setToggleAction( TRUE );
     monthAction = a;
 
     a = new QAction( tr( "Find" ), Resource::loadPixmap( "mag" ), QString::null, 0, g, 0 );
     connect( a, SIGNAL(activated()), this, SLOT(slotFind()) );
     a->addTo( sub_bar );
 
     a = new QAction( tr( "Alarm and Start Time..." ), QString::null, 0, 0 );
     connect( a, SIGNAL( activated() ), this, SLOT( slotSettings() ) );
     a->addTo( settings );
 
     QPopupMenu *default_view = new QPopupMenu(this);
     settings->insertItem( tr( "Default View" ),default_view );
     default_view->setCheckable(TRUE);
 
     Config config("DateBook");
     config.setGroup("Main");
     int current=config.readNumEntry("defaultview", DAY);
 
     QActionGroup *ag = new QActionGroup(this);
     a = new QAction( tr( "Day" ), QString::null, 0, 0, 0, true );
     if (current==DAY) a->setOn(true), viewDay();
     ag->insert(a);
     a = new QAction( tr( "Week" ), QString::null, 0, 0, 0, true );
     if (current==WEEK) a->setOn(true), /*viewWeek(),*/ needEvilHack = true;
     ag->insert(a);
     a = new QAction( tr( "WeekLst" ), QString::null, 0, 0, 0, true );
     if (current==WEEKLST) a->setOn(true), viewWeekLst();
     ag->insert(a);
     a = new QAction( tr( "Month" ), QString::null, 0, 0, 0, true );
     if (current==MONTH) a->setOn(true), viewMonth();
     ag->insert(a);
 
     ag->addTo(default_view);
     connect(ag, SIGNAL( selected ( QAction * ) ),
             this, SLOT( newDefaultView(QAction *) )
             );
 
     connect( qApp, SIGNAL(clockChanged(bool)),
              this, SLOT(changeClock(bool)) );
     connect( qApp, SIGNAL(weekChanged(bool)),
              this, SLOT(changeWeek(bool)) );
 
 #if defined(Q_WS_QWS) && !defined(QT_NO_COP)
     connect( qApp, SIGNAL(appMessage(const QCString&, const QByteArray&)),
              this, SLOT(appMessage(const QCString&, const QByteArray&)) );
 #endif
 
     // listen on QPE/System
 #if defined(Q_WS_QWS)
 #if !defined(QT_NO_COP)
     QCopChannel *channel = new QCopChannel( "QPE/System", this );
     connect( channel, SIGNAL(received(const QCString&, const QByteArray&)),
              this, SLOT(receive(const QCString&, const QByteArray&)) );
     channel = new QCopChannel( "QPE/Datebook", this );
     connect( channel, SIGNAL(received(const QCString&, const QByteArray&)),
              this, SLOT(receive(const QCString&, const QByteArray&)) );
     qDebug("olle\n");
 #endif
 #endif
 
     qDebug("done t=%d", t.elapsed() );
-    
+
     /*
      *  Here is a problem description:
      *  When Weekview is the default view
      *  a DateBookWeekView get's created
      *  redraw() get's called. So what?
      *  Remember that we're still in the c'tor
      *  and no final layout has happened? Ok
      *  now all Events get arranged. Their x
      *  position get's determined by a QHeader
      *  position. But the QHeader isn't layouted or
      *  at the right position. redraw() is a slot
      *  so we'll call it then via a singleShot
      *  from view()
      */
-    if( needEvilHack ){
-        QTimer::singleShot( 500, this, SLOT(viewWeek()) );
-    }
+        if( needEvilHack ){
+                QTimer::singleShot( 500, this, SLOT(viewWeek()) );
+        }
 }
 
 void DateBook::receive( const QCString &msg, const QByteArray &data )
 {
     QDataStream stream( data, IO_ReadOnly );
     if ( msg == "timeChange(QString)" ) {
         // update active view!
         if ( dayAction->isOn() )
             viewDay();
         else if ( weekAction->isOn() )
             viewWeek();
         else if ( monthAction->isOn() )
             viewMonth();
     }
     else if (msg == "editEvent(int)") {
         int uid;
         stream >> uid;
         Event e=db->eventByUID(uid);
         editEvent(e);
     }
 }
 
 DateBook::~DateBook()
 {
 }
 
 void DateBook::slotSettings()
 {
     DateBookSettings frmSettings( ampm, this );
     frmSettings.setStartTime( startTime );
     frmSettings.setAlarmPreset( aPreset, presetTime );
     frmSettings.setJumpToCurTime( bJumpToCurTime );
     frmSettings.setRowStyle( rowStyle );
 #if defined (Q_WS_QWS) || defined(_WS_QWS_)
     frmSettings.showMaximized();
 #endif
 
-    if ( frmSettings.exec() ) {
-        aPreset = frmSettings.alarmPreset();
-        presetTime = frmSettings.presetTime();
-        startTime = frmSettings.startTime();
-        bJumpToCurTime = frmSettings.jumpToCurTime();
-        rowStyle = frmSettings.rowStyle();
-        if ( dayView )
-            dayView->setStartViewTime( startTime );
-            dayView->setJumpToCurTime( bJumpToCurTime );
-            dayView->setRowStyle( rowStyle );
-        if ( weekView )
-            weekView->setStartViewTime( startTime );
-        saveSettings();
-
-        // make the change obvious
-        if ( views->visibleWidget() ) {
-            if ( views->visibleWidget() == dayView )
-                dayView->redraw();
-            else if ( views->visibleWidget() == weekView )
-                weekView->redraw();
+        if ( frmSettings.exec() ) {
+
+                aPreset = frmSettings.alarmPreset();
+                presetTime = frmSettings.presetTime();
+                startTime = frmSettings.startTime();
+                bJumpToCurTime = frmSettings.jumpToCurTime();
+                rowStyle = frmSettings.rowStyle();
+
+                if ( dayView ) {
+                        dayView->setStartViewTime( startTime );
+                        dayView->setJumpToCurTime( bJumpToCurTime );
+                        dayView->setRowStyle( rowStyle );
+                }
+                if ( weekView ) {
+                        weekView->setStartViewTime( startTime );
+                }
+                saveSettings();
+
+                // make the change obvious
+                if ( views->visibleWidget() ) {
+                        if ( views->visibleWidget() == dayView )
+                                dayView->redraw();
+                        else if ( views->visibleWidget() == weekView )
+                                weekView->redraw();
+                }
         }
-    }
 }
 
 void DateBook::fileNew()
 {
     slotNewEventFromKey("");
 }
 
 QString DateBook::checkEvent(const Event &e)
 {
     /* check if overlaps with itself */
     bool checkFailed = FALSE;
 
     /* check the next 12 repeats. should catch most problems */
     QDate current_date = e.start().date();
     Event previous = e;
     for(int i = 0; i < 12; i++)
     {
         QDateTime next;
         if (!nextOccurance(previous, current_date.addDays(1), next)) {
             break;  // no more repeats
         }
         if(next < previous.end()) {
             checkFailed = TRUE;
             break;
         }
         current_date = next.date();
     }
 
     if(checkFailed)
         return tr("Event duration is potentially longer\n"
                   "than interval between repeats.");
 
     return QString::null;
 }
 
 QDate DateBook::currentDate()
 {
     QDate d = QDate::currentDate();
 
     if ( dayView && views->visibleWidget() == dayView ) {
         d = dayView->date();
     } else if ( weekView && views->visibleWidget() == weekView ) {
         d = weekView->date();
     } else if ( weekLstView && views->visibleWidget() == weekLstView ) {
         d = weekLstView->date();
     } else if ( monthView && views->visibleWidget() == monthView ) {
         d = monthView->selectedDate();
     }
 
     return d;
 }
 
 void DateBook::view(int v, const QDate &d) {
-    if (v==DAY) {
-        initDay();
-        dayAction->setOn( TRUE );
-        dayView->setDate( d );
-        views->raiseWidget( dayView );
-        dayView->redraw();
-    } else if (v==WEEK) {
-        initWeek();
-        weekAction->setOn( TRUE );
-        weekView->setDate( d );
-        views->raiseWidget( weekView );
-        weekView->redraw();
-    } else if (v==WEEKLST) {
-        initWeekLst();
-        weekLstAction->setOn( TRUE );
-        weekLstView->setDate(d);
-        views->raiseWidget( weekLstView );
-        weekLstView->redraw();
-    } else if (v==MONTH) {
-        initMonth();
-        monthAction->setOn( TRUE );
-        monthView->setDate( d.year(), d.month(), d.day() );
-        views->raiseWidget( monthView );
-        monthView->redraw();
-    }
+        if (v==DAY) {
+                initDay();
+                dayAction->setOn( TRUE );
+                dayView->setDate( d );
+                views->raiseWidget( dayView );
+                dayView->redraw();
+        } else if (v==WEEK) {
+                initWeek();
+                weekAction->setOn( TRUE );
+                weekView->setDate( d );
+                views->raiseWidget( weekView );
+                weekView->redraw();
+        } else if (v==WEEKLST) {
+                initWeekLst();
+                weekLstAction->setOn( TRUE );
+                weekLstView->setDate(d);
+                views->raiseWidget( weekLstView );
+                weekLstView->redraw();
+        } else if (v==MONTH) {
+                initMonth();
+                monthAction->setOn( TRUE );
+                monthView->setDate( d.year(), d.month(), d.day() );
+                views->raiseWidget( monthView );
+                monthView->redraw();
+        }
 }
 
 void DateBook::viewDefault(const QDate &d) {
   Config config("DateBook");
   config.setGroup("Main");
   int current=config.readNumEntry("defaultview", DAY);
 
   view(current,d);
 }
 
 void DateBook::viewDay() {
   view(DAY,currentDate());
 }
 
 void DateBook::viewWeek() {
     view(WEEK,currentDate());
 }
 
 void DateBook::viewWeekLst() {
     view(WEEKLST,currentDate());
 }
 
 void DateBook::viewMonth() {
     view(MONTH,currentDate());
 }
 
 void DateBook::duplicateEvent( const Event &e )
 {
         qWarning("Hmmm...");
     // Alot of code duplication, as this is almost like editEvent();
         if (syncing) {
                 QMessageBox::warning( this, tr("Calendar"), tr( "Can not edit data, currently syncing") );
                 return;
     }
 
                 Event dupevent(e);// Make a duplicate.
 
         // workaround added for text input.
         QDialog editDlg( this, 0, TRUE );
         DateEntry *entry;
         editDlg.setCaption( tr("Duplicate Event") );
         QVBoxLayout *vb = new QVBoxLayout( &editDlg );
         QScrollView *sv = new QScrollView( &editDlg, "scrollview" );
         sv->setResizePolicy( QScrollView::AutoOneFit );
         // KLUDGE!!!
         sv->setHScrollBarMode( QScrollView::AlwaysOff );
         vb->addWidget( sv );
         entry = new DateEntry( onMonday, dupevent, ampm, &editDlg, "editor" );
         entry->timezone->setEnabled( FALSE );
         sv->addChild( entry );
 
 #if defined(Q_WS_QWS) || defined(_WS_QWS_)
     editDlg.showMaximized();
 #endif
         while (editDlg.exec() ) {
                 Event newEv = entry->event();
                 QString error = checkEvent(newEv);
                 if (!error.isNull()) {
                         if (QMessageBox::warning(this, "error box", error, "Fix it", "Continue", 0, 0, 1) == 0)
                                 continue;
                 }
                 db->addEvent(newEv);
                 emit newEvent();
                 break;
         }
 }
 
 void DateBook::editEvent( const Event &e )
 {
         if (syncing) {
                 QMessageBox::warning( this, tr("Calendar"), tr( "Can not edit data, currently syncing") );
                 return;
         }
 
         // workaround added for text input.
         QDialog editDlg( this, 0, TRUE );
         DateEntry *entry;
         editDlg.setCaption( tr("Edit Event") );
         QVBoxLayout *vb = new QVBoxLayout( &editDlg );
         QScrollView *sv = new QScrollView( &editDlg, "scrollview" );
         sv->setResizePolicy( QScrollView::AutoOneFit );
         // KLUDGE!!!
         sv->setHScrollBarMode( QScrollView::AlwaysOff );
         vb->addWidget( sv );
         entry = new DateEntry( onMonday, e, ampm, &editDlg, "editor" );
         entry->timezone->setEnabled( FALSE );
         sv->addChild( entry );
 
 #if defined(Q_WS_QWS) || defined(_WS_QWS_)
         editDlg.showMaximized();
 #endif
         while (editDlg.exec() ) {
                 Event newEv = entry->event();
                 if(newEv.description().isEmpty() && newEv.notes().isEmpty() )
                         break;
                 newEv.setUid(e.uid()); // FIXME: Hack not to clear uid
                 QString error = checkEvent(newEv);
                 if (!error.isNull()) {
                         if (QMessageBox::warning(this, "error box", error, "Fix it", "Continue", 0, 0, 1) == 0) continue;
         }
         db->editEvent(e, newEv);
         emit newEvent();
         break;
         }
 }
 
 void DateBook::removeEvent( const Event &e )
 {
         if (syncing) {
                 QMessageBox::warning( this, tr("Calendar"), tr( "Can not edit data, currently syncing") );
                 return;
         }
 
     QString strName = e.description();
 
     if ( !QPEMessageBox::confirmDelete( this, tr( "Calendar" ),strName ) )
         return;
 
     db->removeEvent( e );
     if ( views->visibleWidget() == dayView && dayView )
         dayView->redraw();
 }
 
 void DateBook::addEvent( const Event &e )
 {
     QDate d = e.start().date();
     initDay();
     dayView->setDate( d );
 }
 
 void DateBook::showDay( int year, int month, int day )
 {
     QDate d(year, month, day);
     view(DAY,d);
 }
 
 void DateBook::initDay()
 {
-    if ( !dayView ) {
-        dayView = new DateBookDay( ampm, onMonday, db, views, "day view" );
-        views->addWidget( dayView, DAY );
-        dayView->setStartViewTime( startTime );
-        dayView->setJumpToCurTime( bJumpToCurTime );
-        dayView->setRowStyle( rowStyle );
-        connect( this, SIGNAL( newEvent() ),
-                 dayView, SLOT( redraw() ) );
-        connect( dayView, SIGNAL( newEvent() ),
-                 this, SLOT( fileNew() ) );
-        connect( dayView, SIGNAL( removeEvent( const Event & ) ),
-                 this, SLOT( removeEvent( const Event & ) ) );
-        connect( dayView, SIGNAL( editEvent( const Event & ) ),
-                 this, SLOT( editEvent( const Event & ) ) );
-        connect( dayView, SIGNAL( duplicateEvent( const Event & ) ),
-                 this, SLOT( duplicateEvent( const Event & ) ) );
-        connect( dayView, SIGNAL( beamEvent( const Event & ) ),
-                 this, SLOT( beamEvent( const Event & ) ) );
-        connect( dayView, SIGNAL(sigNewEvent(const QString &)),
-                 this, SLOT(slotNewEventFromKey(const QString &)) );
+        if ( !dayView ) {
+                dayView = new DateBookDay( ampm, onMonday, db, views, "day view" );
+                views->addWidget( dayView, DAY );
+                dayView->setStartViewTime( startTime );
+                dayView->setJumpToCurTime( bJumpToCurTime );
+                dayView->setRowStyle( rowStyle );
+                connect( this, SIGNAL( newEvent() ),
+                        dayView, SLOT( redraw() ) );
+                connect( dayView, SIGNAL( newEvent() ),
+                        this, SLOT( fileNew() ) );
+                connect( dayView, SIGNAL( removeEvent( const Event & ) ),
+                        this, SLOT( removeEvent( const Event & ) ) );
+                connect( dayView, SIGNAL( editEvent( const Event & ) ),
+                        this, SLOT( editEvent( const Event & ) ) );
+                connect( dayView, SIGNAL( duplicateEvent( const Event & ) ),
+                        this, SLOT( duplicateEvent( const Event & ) ) );
+                connect( dayView, SIGNAL( beamEvent( const Event & ) ),
+                        this, SLOT( beamEvent( const Event & ) ) );
+                connect( dayView, SIGNAL(sigNewEvent(const QString &)),
+                        this, SLOT(slotNewEventFromKey(const QString &)) );
     }
 }
 
 void DateBook::initWeek()
 {
-    if ( !weekView ) {
-        weekView = new DateBookWeek( ampm, onMonday, db, views, "week view" );
-        weekView->setStartViewTime( startTime );
-        views->addWidget( weekView, WEEK );
-        connect( weekView, SIGNAL( showDate( int, int, int ) ),
-                 this, SLOT( showDay( int, int, int ) ) );
-        connect( this, SIGNAL( newEvent() ),
-                 weekView, SLOT( redraw() ) );
-    }
-    //But also get it right: the year that we display can be different
-    //from the year of the current date. So, first find the year
-    //number of the current week.
-
-    int yearNumber, totWeeks;
-    calcWeek( currentDate(), totWeeks, yearNumber, onMonday );
+        if ( !weekView ) {
+                weekView = new DateBookWeek( ampm, onMonday, db, views, "week view" );
+                weekView->setStartViewTime( startTime );
+                views->addWidget( weekView, WEEK );
+                connect( weekView, SIGNAL( showDate( int, int, int ) ),
+                        this, SLOT( showDay( int, int, int ) ) );
+                connect( this, SIGNAL( newEvent() ),
+                        weekView, SLOT( redraw() ) );
+        }
 
-    QDate d = QDate( yearNumber, 12, 31 );
-    calcWeek( d, totWeeks, yearNumber, onMonday );
+        //But also get it right: the year that we display can be different
+        //from the year of the current date. So, first find the year
+        //number of the current week.
+        int yearNumber, totWeeks;
+        calcWeek( currentDate(), totWeeks, yearNumber, onMonday );
 
-    while ( totWeeks == 1 ) {
-        d = d.addDays( -1 );
+        QDate d = QDate( yearNumber, 12, 31 );
         calcWeek( d, totWeeks, yearNumber, onMonday );
-    }
-    if ( totWeeks != weekView->totalWeeks() )
-        weekView->setTotalWeeks( totWeeks );
+
+        while ( totWeeks == 1 ) {
+                d = d.addDays( -1 );
+                calcWeek( d, totWeeks, yearNumber, onMonday );
+        }
+        if ( totWeeks != weekView->totalWeeks() )
+                weekView->setTotalWeeks( totWeeks );
 }
+
 void DateBook::initWeekLst() {
   if ( !weekLstView ) {
       weekLstView = new DateBookWeekLst( ampm, onMonday, db,
                                          views, "weeklst view" );
       views->addWidget( weekLstView, WEEKLST );
 
       //weekLstView->setStartViewTime( startTime );
       connect( weekLstView, SIGNAL( showDate( int, int, int ) ),
                this, SLOT( showDay( int, int, int ) ) );
       connect( weekLstView, SIGNAL( addEvent( const QDateTime &,
                                               const QDateTime &,
                                               const QString & , const QString &) ),
                this, SLOT( slotNewEntry( const QDateTime &,
                                          const QDateTime &,
                                          const QString & , const QString &) ) );
       connect( this, SIGNAL( newEvent() ),
                weekLstView, SLOT( redraw() ) );
       connect( weekLstView, SIGNAL( editEvent( const Event & ) ),
                this, SLOT( editEvent( const Event & ) ) );
   }
 }
 
 
 void DateBook::initMonth()
 {
     if ( !monthView ) {
         monthView = new DateBookMonth( views, "month view", FALSE, db );
         views->addWidget( monthView, MONTH );
         connect( monthView, SIGNAL( dateClicked( int, int, int ) ),
              this, SLOT( showDay( int, int, int ) ) );
         connect( this, SIGNAL( newEvent() ),
                  monthView, SLOT( redraw() ) );
         qApp->processEvents();
     }
 }
 
 void DateBook::loadSettings()
 {
     {
         Config config( "qpe" );
         config.setGroup("Time");
         ampm = config.readBoolEntry( "AMPM", TRUE );
         onMonday = config.readBoolEntry( "MONDAY" );
     }
 
     {
         Config config("DateBook");
         config.setGroup("Main");
         startTime = config.readNumEntry("startviewtime", 8);
         aPreset = config.readBoolEntry("alarmpreset");
         presetTime = config.readNumEntry("presettime");
         bJumpToCurTime = config.readBoolEntry("jumptocurtime");
         rowStyle = config.readNumEntry("rowstyle");
     }
 }
 
 void DateBook::saveSettings()
 {
     Config config( "qpe" );
     Config configDB( "DateBook" );
     configDB.setGroup( "Main" );
     configDB.writeEntry("startviewtime",startTime);
     configDB.writeEntry("alarmpreset",aPreset);
     configDB.writeEntry("presettime",presetTime);
     configDB.writeEntry("jumptocurtime", bJumpToCurTime);
     configDB.writeEntry("rowstyle", rowStyle);
 }
 
 void DateBook::newDefaultView(QAction *a) {
     int val=DAY;
     if (a->text() == "Day") val=DAY;
     if (a->text() == "Week") val=WEEK;
     if (a->text() == "WeekLst") val=WEEKLST;
     if (a->text() == "Month") val=MONTH;
 
     Config configDB( "DateBook" );
     configDB.setGroup( "Main" );
     configDB.writeEntry("defaultview",val);
 }
 
 void DateBook::appMessage(const QCString& msg, const QByteArray& data)
 {
     bool needShow = FALSE;
     if ( msg == "alarm(QDateTime,int)" ) {
         QDataStream ds(data,IO_ReadOnly);
         QDateTime when; int warn;
         ds >> when >> warn;
 
         // check to make it's okay to continue,
         // this is the case that the time was set ahead, and
         // we are forced given a stale alarm...
         QDateTime current = QDateTime::currentDateTime();
         if ( current.time().hour() != when.time().hour()
              && current.time().minute() != when.time().minute() )
             return;
 
         QValueList<EffectiveEvent> list = db->getEffectiveEvents(when.addSecs(warn*60));
         if ( list.count() > 0 ) {
             QString msg;
             bool bSound = FALSE;
             int stopTimer = 0;
             bool found = FALSE;
             for ( QValueList<EffectiveEvent>::ConstIterator it=list.begin();
                   it!=list.end(); ++it ) {
                 if ( (*it).event().hasAlarm() ) {
                     found = TRUE;
                     msg += "<CENTER><B>" + (*it).description() + "</B>"
                            + "<BR>" + (*it).location() + "<BR>"
                            + TimeString::dateString((*it).event().start(),ampm)
                            + (warn
                               ? tr(" (in " + QString::number(warn)
                                    + tr(" minutes)"))
                               : QString(""))
                            + "<BR>"
                            + (*it).notes() + "</CENTER>";
                     if ( (*it).event().alarmSound() != Event::Silent ) {
                         bSound = TRUE;
                     }
                 }
             }
             if ( found ) {
                 if ( bSound ) {
                     Sound::soundAlarm();
                     alarmCounter = 0;
                     stopTimer = startTimer( 5000 );
                 }
 
                 QDialog dlg( this, 0, TRUE );
                 QVBoxLayout *vb = new QVBoxLayout( &dlg );
                 QScrollView *view = new QScrollView( &dlg, "scrollView");
                 view->setResizePolicy( QScrollView::AutoOneFit );
                 vb->addWidget( view );
                 QLabel *lblMsg = new QLabel( msg, &dlg );
                 view->addChild( lblMsg );
                 QPushButton *cmdOk = new QPushButton( tr("OK"), &dlg );
                 connect( cmdOk, SIGNAL(clicked()), &dlg, SLOT(accept()) );
                 vb->addWidget( cmdOk );
 
 #if defined(Q_WS_QWS) || defined(_WS_QWS_)
                 dlg.showMaximized();
 #endif
                 needShow = dlg.exec();
 
                 if ( bSound )
                     killTimer( stopTimer );
             }
         }
     } else if ( msg == "nextView()" ) {
         if ( !qApp-> activeWindow ( )) {
             needShow = TRUE;
         }
         else {
             QWidget* cur = views->visibleWidget();
             if ( cur ) {
                 if ( cur == dayView )
                     viewWeek();
                 else if ( cur == weekView )
                     viewWeekLst();
                 else if ( cur == weekLstView )
                     viewMonth();
                 else if ( cur == monthView )
                     viewDay();
                 needShow = TRUE;
             }
         }
     }
     if ( needShow ) {
 #if defined(Q_WS_QWS) || defined(_WS_QWS_)
         showMaximized();
 #else
         show();
 #endif
         raise();
         QPEApplication::setKeepRunning();
         setActiveWindow();
     }
 }
 
 void DateBook::reload()
 {
     db->reload();
     if ( dayAction->isOn() )
         viewDay();
     else if ( weekAction->isOn() )
         viewWeek();
     else if ( monthAction->isOn() )
         viewMonth();
     syncing = FALSE;
 }
 
 void DateBook::flush()
 {
     syncing = TRUE;
     db->save();
 }
 
 void DateBook::timerEvent( QTimerEvent *e )
 {
     if ( alarmCounter < 10 ) {
         alarmCounter++;
         Sound::soundAlarm();
     }
     else
         killTimer( e->timerId() );
 }
 
 void DateBook::changeClock( bool newClock )
 {
     ampm = newClock;
     // repaint the affected objects...
     if (dayView) dayView->redraw();
     if (weekView) weekView->redraw();
     if (weekLstView) weekLstView->redraw();
 }
 
 void DateBook::changeWeek( bool m )
 {
     /* no need to redraw, each widget catches.  Do need to
        store though for widgets we haven't made yet */
     onMonday = m;
 }
 
 void DateBook::slotToday()
 {
     // we need to view today using default view
     viewDefault(QDate::currentDate());
 }
 
 void DateBook::closeEvent( QCloseEvent *e )
 {
     if(syncing) {
         /* no need to save, did that at flush */
         e->accept();
         return;
     }
 
     // save settings will generate it's own error messages, no
     // need to do checking ourselves.
     saveSettings();
     if ( db->save() )
         e->accept();
     else {
         if ( QMessageBox::critical( this, tr( "Out of space" ),
                                     tr("Calendar was unable to save\n"
                                        "your changes.\n"
                                        "Free up some space and try again.\n"
                                        "\nQuit anyway?"),
                                     QMessageBox::Yes|QMessageBox::Escape,
                                     QMessageBox::No|QMessageBox::Default )
              != QMessageBox::No )
             e->accept();
         else
             e->ignore();
     }
 }