When selecting a time zone, warn the user if the time zone file in /usr/share/zoneinfo for the selected time zone is missing

1 files changed, 9 insertions, 0 deletions

diff --git a/noncore/settings/netsystemtime/timetabwidget.cpp b/noncore/settings/netsystemtime/timetabwidget.cpp
index bcfbdf7..895514b 100644
--- a/noncore/settings/netsystemtime/timetabwidget.cpp
+++ b/noncore/settings/netsystemtime/timetabwidget.cpp
@@ -21,64 +21,66 @@
 ++=   -.     .`     .:       details.
 :     =  ...= . :.=-
  -.   .:....=;==+<;          You should have received a copy of the GNU
   -_. . .   )=.  =           Library General Public License along with
     --        :-=`           this library; see the file COPYING.LIB.
                              If not, write to the Free Software Foundation,
                              Inc., 59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 */
 
 #include "timetabwidget.h"
 
 #include <opie2/oresource.h>
 
 #include <qpe/applnk.h>
 #include <qpe/config.h>
 #include <qpe/datebookmonth.h>
 #include <qpe/global.h>
 #include <qpe/tzselect.h>
 
 #if ( defined Q_WS_QWS || defined(_WS_QWS_) ) && !defined(QT_NO_COP)
 #include <qpe/qcopenvelope_qws.h>
 #endif
 
 #include <qcombobox.h>
 #include <qdatetime.h>
 #include <qframe.h>
 #include <qlabel.h>
 #include <qlayout.h>
 #include <qpushbutton.h>
 #include <qscrollview.h>
 #include <qspinbox.h>
+#include <qmessagebox.h>
+#include <qfile.h>
 
 #include <stdlib.h>
 #include <sys/time.h>
 
 static const int ValueAM = 0;
 static const int ValuePM = 1;
 
 TimeTabWidget::TimeTabWidget( QWidget *parent )
 	: QWidget( parent, 0x0, 0 )
 {
 	// Synchronize HW clock to systemtime
 	// This app will update systemtime
 	//  - if Cancel is clicked, will reset systemtime to HW clock's time
 	//  - if Ok is clicked, will leave systemtime as is
 	system("/sbin/hwclock --systohc --utc");
 
 	QVBoxLayout *tmpvb = new QVBoxLayout( this );
 	QScrollView *sv = new QScrollView( this );
 	tmpvb->addWidget( sv, 0, 0 );
 	sv->setResizePolicy( QScrollView::AutoOneFit );
 	sv->setFrameStyle( QFrame::NoFrame );
 	QWidget *container = new QWidget( sv->viewport() );
 	sv->addChild( container );
 
 	QGridLayout *layout = new QGridLayout( container );
 	layout->setMargin( 2 );
 	layout->setSpacing( 4 );
 
 	// Hours
 	layout->addMultiCellWidget( new QLabel( tr( "Hour" ), container ), 1, 1, 0, 1 );
 	sbHour = new QSpinBox( container );
 	sbHour->setWrapping( TRUE );
@@ -248,62 +250,69 @@ void TimeTabWidget::slotUse12HourTime( int i )
 		}
 		if ( show_hour == 0 )
 			show_hour = 12;
 	}
 	else
 	{
 		sbHour->setMinValue( 0 );
 		sbHour->setMaxValue( 23 );
 
 		if ( cbAmpm->currentItem() == ValuePM )
 		{
 			show_hour += 12;
 			if ( show_hour == 24 )
 				show_hour = 0;
 		}
 	}
 
 	sbHour->setValue( show_hour );
 }
 
 void TimeTabWidget::slotDateFormatChanged( const DateFormat &df )
 {
 	btnDate->setDateFormat( df );
 }
 
 void TimeTabWidget::slotWeekStartChanged( int monday )
 {
 	btnDate->setWeekStartsMonday( monday );
 }
 
 void TimeTabWidget::slotTZChanged( const QString &newtz )
 {
+	// Check timezone has a valid file in /usr/share/zoneinfo
+	if(!QFile::exists("/usr/share/zoneinfo/" + newtz)) {
+		QMessageBox::warning(this, tr("Time zone file missing"), 
+				(tr("There is no time zone file for the\nselected time zone (%1).\nYou will need to install it before the\nsystem time zone can be set correctly.")).arg(newtz));
+	}
+	else {
 	// If controls have a valid date & time, update systemtime
 	int hour = sbHour->value();
 	if ( use12HourTime && cbAmpm->currentItem() == ValuePM )
 		hour += 12;
 	QDateTime dt( btnDate->date(), QTime ( hour, sbMin->value(), QTime::currentTime().second() ) );
 	setSystemTime( dt );
 	QCopEnvelope setTimeZone( "QPE/System", "timeChange(QString)" );
 	setTimeZone << newtz;
 
 	// Set system timezone
 	QString currtz = getenv( "TZ" );
 	setenv( "TZ", newtz, 1 );
 
 	// Get new date/time
 	hour = sbHour->value();
 	if ( use12HourTime && cbAmpm->currentItem() == ValuePM )
 		hour += 12;
 	dt = QDateTime::currentDateTime();
 
 	// Reset system timezone
 	if ( !currtz.isNull() )
 	{
 		setenv( "TZ", currtz, 1 );
 	}
 
 	// Set controls to new time
 	setDateTime( dt );
 
 	emit tzChanged( newtz );
 }
+}