36GtkComboBox *ch_new_combo();
37void ch_append_to_combo(GtkComboBox *combo,
const gchar *text, gint value);
38gint ch_get_active_value(GtkComboBox *combo);
39gchar *ch_get_active_str_value(GtkComboBox *combo);
40void ch_set_active_value(GtkComboBox *combo, gint value);
41void ch_set_active_str_value(GtkComboBox *combo, gchar *new_value);