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
@@ -51,4 +51,6 @@
 #include <qscrollview.h>
 #include <qspinbox.h>
+#include <qmessagebox.h>
+#include <qfile.h>
 
 #include <stdlib.h>
@@ -278,4 +280,10 @@ void TimeTabWidget::slotWeekStartChanged( int 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();
@@ -308,2 +316,3 @@ void TimeTabWidget::slotTZChanged( const QString &newtz )
         emit tzChanged( newtz );
 }
+}