- while (g_snprintf(name, 10, "VAR%05d",d++),
- psppire_dict_lookup_var(dict, name))
- ;
+ var = dict_get_filter (d);
+ filter_changed_callback (d, var ? var_get_dict_index (var) : -1, dict);
+
+ split_changed_callback (d, dict);
+
+ dict_set_callbacks (dict->dict, &gui_callbacks, dict);
+
+ g_signal_emit (dict, signals [BACKEND_CHANGED], 0);
+}
+
+
+/* Stores a valid name for a new variable in DICT into the SIZE bytes in NAME.
+ Returns true if successful, false if SIZE is insufficient. */
+bool
+psppire_dict_generate_name (const PsppireDict *dict, char *name, size_t size)
+{
+ gint d;
+
+ for (d = 1; ; d++)
+ {
+ int len;
+
+ /* TRANSLATORS: This string must be a valid variable name. That means:
+ - The string must be at most 64 bytes (not characters) long.
+ - The string may not contain whitespace.
+ - The first character may not be '$'
+ - The first character may not be a digit
+ - The final charactor may not be '.' or '_'
+ */
+ len = snprintf (name, size, _("Var%04d"), d);
+ if (len + 1 >= size)
+ return false;
+
+ if (psppire_dict_lookup_var (dict, name) == NULL)
+ return true;
+ }