Oops, this should have been:
I now use
t.position(pos_to_offset(t.value(),2));
to convert UTF-8 character count to byte offset.
chris
> Thanks for your confirmation and feedback. I will file a STR, if nobody else
> objects.
>
> In the meanwhile I had a look at the FLTK UTF-8 functions and found
> fl_utf8decode() useful for my problem and wrote this little
> helper function:
>
> static size_t pos_to_offset( const char *s_, size_t pos_ )
> {
> size_t byte_offset = 0;
> if ( s_ )
> {
> int len;
> const char *end = s_ + strlen( s_ );
> while ( pos_ && s_ < end )
> {
> fl_utf8decode( s_, end, &len );
> byte_offset += len;
> s_ += len;
> }
> }
> return byte_offset;
> }
>
>
> I now use
>
> t.position(t.value(), pos_to_offset(2));
>
> to convert UTF-8 character count to byte offset.
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