subclass and override sub edit_text
sub edit_text
{
my ($self, $text) = @_;
$self->{password} = $text;
$self-> begin_undo_group;
$self-> push_undo_action( 'edit_text', $self->text);
$self-> text($text);
$self-> end_undo_group;
}
or patch
$self->{password} = $cap;
$cap = $self-> {passwordChar} x length $cap if $self-> {writeO
+nly};
$self-> {wholeLine} = $cap;
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