}
}
+/* Returns the format to use for weights. */
+const struct fmt_spec *
+dict_get_weight_format (const struct dictionary *d)
+{
+ return d->weight ? var_get_print_format (d->weight) : &F_8_0;
+}
+
/* Sets the weighting variable of D to V, or turning off
weighting if V is a null pointer. */
void
assert (v == NULL || dict_contains_var (d, v));
assert (v == NULL || var_is_numeric (v));
+ /* When a filter is set, we ref the dictionary.
+ This is because the GUI maintains a pointer
+ to the dict's variables, and the variables'
+ addresses change in the callback. */
+ if (d->filter == NULL && v != NULL)
+ {
+ d = dict_ref (d);
+ }
+
+ /* Deref the dict when a filter is removed. */
+ if (d->filter != NULL && v == NULL)
+ {
+ assert (d->ref_cnt > 0);
+ dict_unref (d);
+ }
+
d->filter = v;
if (d->changed) d->changed (d, d->changed_data);