+ if ((AttrOf(attr) & A_ALTCHARSET)
+ && SP_PARM->_acs_map != 0
+ && ((CharOfD(ch) < ACS_LEN)
+#if !NCURSES_WCWIDTH_GRAPHICS
+ || is_wacs_value(CharOfD(ch))
+#endif
+ )) {
+ int c8;
+ my_ch = CHDEREF(ch); /* work around const param */
+ c8 = CharOf(my_ch);
+#if USE_WIDEC_SUPPORT
+ /*
+ * This is crude & ugly, but works most of the time. It checks if the
+ * acs_chars string specified that we have a mapping for this
+ * character, and uses the wide-character mapping when we expect the
+ * normal one to be broken (by mis-design ;-).
+ */
+ if (SP_PARM->_screen_unicode
+ && _nc_wacs[CharOf(my_ch)].chars[0]) {
+ if (SP_PARM->_screen_acs_map[CharOf(my_ch)]) {
+ if (SP_PARM->_screen_acs_fix) {
+ RemAttr(attr, A_ALTCHARSET);
+ my_ch = _nc_wacs[CharOf(my_ch)];
+ }
+ } else {
+ RemAttr(attr, A_ALTCHARSET);
+ my_ch = _nc_wacs[CharOf(my_ch)];
+ }
+#if !NCURSES_WCWIDTH_GRAPHICS
+ if (!(AttrOf(attr) & A_ALTCHARSET)) {
+ chlen = 1;
+ }
+#endif /* !NCURSES_WCWIDTH_GRAPHICS */
+ } else
+#endif
+ if (!SP_PARM->_screen_acs_map[c8]) {
+ /*
+ * If we found no mapping for a given alternate-character set item
+ * in the terminal description, attempt to use the ASCII fallback
+ * code which is populated in the _acs_map[] array. If that did
+ * not correspond to a line-drawing, etc., graphics character, the
+ * array entry would be empty.
+ */
+ chtype temp = UChar(SP_PARM->_acs_map[c8]);
+ if (temp) {
+ RemAttr(attr, A_ALTCHARSET);
+ SetChar(my_ch, temp, AttrOf(attr));
+ }
+ }