don't crash when you press Alt Gr etc. :)

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4755 a592a061-630c-0410-9148-cb99ea01b6c8

src/frontends/qt2/ChangeLog

@@ -1,3 +1,8 @@
+2002-07-22  John Levon  <moz@compsoc.man.ac.uk>
+
+	* QLyXKeySym.C: return 0 when text_ is empty
+	  for getISOEncoded() 
+
 2002-07-22  John Levon  <moz@compsoc.man.ac.uk>
 
 	* QCommandBuffer.C: probably compile fix

src/frontends/qt2/QLyXKeySym.C

@@ -56,6 +56,8 @@ string QLyXKeySym::getSymbolName() const
  
 char QLyXKeySym::getISOEncoded() const
 {
+	if (!text_.length()) 
+		return 0;
 	// FIXME
 	return text_.latin1()[0];
 }