Graham Smith wrote:
>
> # To subscribers of the xforms list from Graham Smith <gqs@zip.com.au> :
>
> Hi All,
>
> I am having trouble setting up an input filter using the function
> fl_set_input_filter( ) and was wondering if somebody would be kind enought
> to send me an example using this function.
This one is for entering an hex number.
static int
registration_key_filter(
FL_OBJECT *ob,
const char *old,
const char *cur,
int c
)
{
if (isdigit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F')) {
return FL_VALID;
} else {
return FL_INVALID | FL_RINGBELL;
}
}
-t
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