1 files changed, 7 insertions, 1 deletions

diff --git a/library/tzselect.cpp b/library/tzselect.cpp
index 2e5a433..335037e 100644
--- a/library/tzselect.cpp
+++ b/library/tzselect.cpp
@@ -1,271 +1,277 @@
 /**********************************************************************
 ** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
 **
 ** This file is part of the 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.
 **
 **********************************************************************/
 
 #define QTOPIA_INTERNAL_TZSELECT_INC_LOCAL
 
 #include "tzselect.h"
 #include "resource.h"
 #include "global.h"
 #include "config.h"
 #include <qtoolbutton.h>
 #include <qfile.h>
 #include <stdlib.h>
 
 #include <qcopchannel_qws.h>
+#include <qpe/qpeapplication.h>
+#include <qmessagebox.h>
 
 class TimeZoneSelectorPrivate
 {
 public:
     TimeZoneSelectorPrivate() : includeLocal(FALSE) {}
     bool includeLocal;
 };
 
 TZCombo::TZCombo( QWidget *p, const char* n )
     : QComboBox( p, n )
 {
     updateZones();
     // check to see if TZ is set, if it is set the current item to that
     QString tz = getenv("TZ");
     if (parent()->inherits("TimeZoneSelector")) {
   if ( ((TimeZoneSelector *)parent())->localIncluded() ) {
       // overide to the 'local' type.
       tz = "None";
   }
     }
     if ( !tz.isNull() ) {
   int n = 0,
             index = 0;
         for ( QStringList::Iterator it=identifiers.begin();
         it!=identifiers.end(); ++it) {
       if ( *it == tz )
     index = n;
       n++;
   }
   setCurrentItem(index);
     } else {
   setCurrentItem(0);
     }
 
 
 
     // listen on QPE/System
 #if !defined(QT_NO_COP)
     QCopChannel *channel = new QCopChannel( "QPE/System", this );
     connect( channel, SIGNAL(received(const QCString&, const QByteArray&)),
   this, SLOT(handleSystemChannel(const QCString&, const QByteArray&)) );
 #endif
 
 
 }
 
 TZCombo::~TZCombo()
 {
 }
 
 void TZCombo::updateZones()
 {
     QString cur = currentText();
     clear();
     identifiers.clear();
     int curix=0;
     QString tz = getenv("TZ");
     bool tzFound = FALSE;
     Config cfg("CityTime");
     cfg.setGroup("TimeZones");
     int listIndex = 0;
     if (parent()->inherits("TimeZoneSelector")) {
   if ( ((TimeZoneSelector *)parent())->localIncluded() ) {
       // overide to the 'local' type.
       identifiers.append( "None" );
       insertItem( tr("None") );
       if ( cur == tr("None"))
     curix = 0;
       listIndex++;
   }
     }
     int cfgIndex = 0;
     while (1) {
   QString zn = cfg.readEntry("Zone"+QString::number(cfgIndex), QString::null);
   if ( zn.isNull() )
       break;
   if ( zn == tz )
       tzFound = TRUE;
   QString nm = cfg.readEntry("ZoneName"+QString::number(cfgIndex));
   identifiers.append(zn);
   insertItem(nm);
   if ( nm == cur )
       curix = listIndex;
   ++cfgIndex;
   ++listIndex;
     }
     if ( !listIndex ) {
         QStringList list = timezoneDefaults();
         for ( QStringList::Iterator it = list.begin(); it!=list.end(); ++it ) {
       QString zn = *it;
       QString nm = *++it;
       if ( zn == tz )
     tzFound = TRUE;
       if ( nm == cur )
     curix = listIndex;
             identifiers.append(zn);
             insertItem(nm);
       ++listIndex;
         }
     }
     for (QStringList::Iterator it=extras.begin(); it!=extras.end(); ++it) {
   insertItem(*it);
   identifiers.append(*it);
   if ( *it == cur )
       curix = listIndex;
   ++listIndex;
     }
     if ( !tzFound && !tz.isEmpty()) {
   int i =  tz.find( '/' );
   QString nm = tz.mid( i+1 ).replace(QRegExp("_"), " ");
   identifiers.append(tz);
   insertItem(nm);
   if ( nm == cur )
       curix = listIndex;
   ++listIndex;
     }
     setCurrentItem(curix);
 }
 
 
 void TZCombo::keyPressEvent( QKeyEvent *e )
 {
     // ### should popup() in Qt 3.0 (it's virtual there)
 //    updateZones();
     QComboBox::keyPressEvent(e);
 }
 
 void TZCombo::mousePressEvent(QMouseEvent*e)
 {
     // ### should popup() in Qt 3.0 (it's virtual there)
 //    updateZones();
     QComboBox::mousePressEvent(e);
 }
 
 QString TZCombo::currZone() const
 {
     return identifiers[currentItem()];
 }
 
 void TZCombo::setCurrZone( const QString& id )
 {
     for (int i=0; i< count(); i++) {
   if ( identifiers[i] == id ) {
       setCurrentItem(i);
       return;
 }
     }
     insertItem(id);
     setCurrentItem( count() - 1);
     identifiers.append(id);
     extras.append(id);
 }
 
 
 
 void TZCombo::handleSystemChannel(const QCString&msg, const QByteArray&)
 {
     if ( msg == "timeZoneListChange()" ) {
   updateZones();
     }
 }
 
 
 TimeZoneSelector::TimeZoneSelector(QWidget* p, const char* n) :
     QHBox(p,n)
 {
     d = new TimeZoneSelectorPrivate();
     // build the combobox before we do any updates...
     cmbTz = new TZCombo( this, "timezone combo" );
 
     cmdTz = new QToolButton( this, "timezone button" );
     cmdTz->setIconSet( Resource::loadIconSet( "citytime_icon" ) );
     cmdTz->setMaximumSize( cmdTz->sizeHint() );
 
     // set up a connection to catch a newly selected item and throw our
     // signal
     QObject::connect( cmbTz, SIGNAL( activated( int ) ),
                       this, SLOT( slotTzActive( int ) ) );
     QObject::connect( cmdTz, SIGNAL( clicked() ),
                       this, SLOT( slotExecute() ) );
 }
 
 TimeZoneSelector::~TimeZoneSelector()
 {
 }
 
 void TimeZoneSelector::setLocalIncluded(bool b)
 {
     d->includeLocal = b;
     cmbTz->updateZones();
 }
 
 bool TimeZoneSelector::localIncluded() const
 {
     return d->includeLocal;
 }
 
 
 QString TimeZoneSelector::currentZone() const
 {
     return cmbTz->currZone();
 }
 
 void TimeZoneSelector::setCurrentZone( const QString& id )
 {
     cmbTz->setCurrZone( id );
 }
 
 void TimeZoneSelector::slotTzActive( int )
 {
     emit signalNewTz( cmbTz->currZone() );
 }
 
 void TimeZoneSelector::slotExecute( void )
 {
-    // execute the world time application...
+  // execute the world time application...  
+  if (QFile::exists(QPEApplication::qpeDir()+"bin/citytime"))
     Global::execute( "citytime" );
+  else
+    QMessageBox::warning(this,tr("citytime executable not found"),
+                         tr("In order to choose the time zones,\nplease install citytime."));
 }
 
 QStringList timezoneDefaults( void )
 {
     QStringList tzs;
     // load up the list just like the file format (citytime.cpp)
     tzs.append( "America/New_York" );
     tzs.append( "New York" );
     tzs.append( "America/Los_Angeles" );
     tzs.append( "Los Angeles" );
     tzs.append( "Australia/Brisbane" );
     tzs.append( "Brisbane" );
     tzs.append( "Europe/Berlin" );
     tzs.append( "Berlin" );
     tzs.append( "Asia/Tokyo" );
     tzs.append( "Tokyo" );
     tzs.append( "America/Denver" );
     tzs.append( "Denver" );
     
     return tzs;
 }