+ if ( font.GetUnderlined() != wasUnderlined )
+ {
+ // the underlines for mnemonics are incompatible with using attributes
+ // so turn them off when setting underlined font and restore them when
+ // unsetting it
+ gtk_label_set_use_underline(GTK_LABEL(m_widget), wasUnderlined);
+
+ if ( wasUnderlined )
+ {
+ // it's not underlined any more, remove the attributes we set
+ gtk_label_set_attributes(GTK_LABEL(m_widget), NULL);
+ }
+ else // the text is underlined now
+ {
+ PangoAttrList *attrs = pango_attr_list_new();
+ PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
+ a->start_index = 0;
+ a->end_index = (guint)-1;
+ pango_attr_list_insert(attrs, a);
+ gtk_label_set_attributes(GTK_LABEL(m_widget), attrs);
+ pango_attr_list_unref(attrs);
+ }
+ }
+