+#if NCURSES_EXT_COLORS
+ static attr_t previous_attr = A_NORMAL;
+ static int previous_pair = 0;
+
+ attr_t turn_on, turn_off;
+ bool reverse = FALSE;
+ bool can_color = (SP_PARM == 0 || SP_PARM->_coloron);
+#if NCURSES_EXT_FUNCS
+ bool fix_pair0 = (SP_PARM != 0 && SP_PARM->_coloron && !SP_PARM->_default_color);
+#else
+#define fix_pair0 FALSE
+#endif
+
+ newmode &= A_ATTRIBUTES;
+ T((T_CALLED("vid_puts(%s,%d)"), _traceattr(newmode), pair));
+
+ /* this allows us to go on whether or not newterm() has been called */
+ if (SP_PARM) {
+ previous_attr = AttrOf(SCREEN_ATTRS(SP_PARM));
+ previous_pair = GetPair(SCREEN_ATTRS(SP_PARM));
+ }
+
+ TR(TRACE_ATTRS, ("previous attribute was %s, %d",
+ _traceattr(previous_attr), previous_pair));
+
+#if !USE_XMC_SUPPORT
+ if ((SP_PARM != 0)
+ && (magic_cookie_glitch > 0))
+ newmode &= ~(SP_PARM->_xmc_suppress);
+#endif
+
+ /*
+ * If we have a terminal that cannot combine color with video
+ * attributes, use the colors in preference.
+ */
+ if ((pair != 0
+ || fix_pair0)
+ && (no_color_video > 0)) {
+ /*
+ * If we had chosen the A_xxx definitions to correspond to the
+ * no_color_video mask, we could simply shift it up and mask off the
+ * attributes. But we did not (actually copied Solaris' definitions).
+ * However, this is still simpler/faster than a lookup table.
+ *
+ * The 63 corresponds to A_STANDOUT, A_UNDERLINE, A_REVERSE, A_BLINK,
+ * A_DIM, A_BOLD which are 1:1 with no_color_video. The bits that
+ * correspond to A_INVIS, A_PROTECT (192) must be shifted up 1 and
+ * A_ALTCHARSET (256) down 2 to line up. We use the NCURSES_BITS
+ * macro so this will work properly for the wide-character layout.
+ */
+ unsigned value = no_color_video;
+ attr_t mask = NCURSES_BITS((value & 63)
+ | ((value & 192) << 1)
+ | ((value & 256) >> 2), 8);
+
+ if ((mask & A_REVERSE) != 0
+ && (newmode & A_REVERSE) != 0) {
+ reverse = TRUE;
+ mask &= ~A_REVERSE;
+ }
+ newmode &= ~mask;
+ }
+
+ if (newmode == previous_attr
+ && pair == previous_pair)
+ returnCode(OK);
+
+ if (reverse) {
+ newmode &= ~A_REVERSE;
+ }
+
+ turn_off = (~newmode & previous_attr) & ALL_BUT_COLOR;
+ turn_on = (newmode & ~previous_attr) & ALL_BUT_COLOR;
+
+ SetColorsIf(((pair == 0) && !fix_pair0), previous_attr, previous_pair);
+
+ if (newmode == A_NORMAL) {
+ if ((previous_attr & A_ALTCHARSET) && exit_alt_charset_mode) {
+ doPut(exit_alt_charset_mode);
+ previous_attr &= ~A_ALTCHARSET;
+ }
+ if (previous_attr) {
+ if (exit_attribute_mode) {
+ doPut(exit_attribute_mode);
+ } else {
+ if (!SP_PARM || SP_PARM->_use_rmul) {
+ TurnOff(A_UNDERLINE, exit_underline_mode);
+ }
+ if (!SP_PARM || SP_PARM->_use_rmso) {
+ TurnOff(A_STANDOUT, exit_standout_mode);
+ }
+ }
+ previous_attr &= ALL_BUT_COLOR;
+ previous_pair = 0;
+ }
+
+ SetColorsIf((pair != 0) || fix_pair0, previous_attr, previous_pair);
+ } else if (set_attributes) {
+ if (turn_on || turn_off) {
+ TPUTS_TRACE("set_attributes");
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_9(set_attributes,
+ (newmode & A_STANDOUT) != 0,
+ (newmode & A_UNDERLINE) != 0,
+ (newmode & A_REVERSE) != 0,
+ (newmode & A_BLINK) != 0,
+ (newmode & A_DIM) != 0,
+ (newmode & A_BOLD) != 0,
+ (newmode & A_INVIS) != 0,
+ (newmode & A_PROTECT) != 0,
+ (newmode & A_ALTCHARSET) != 0),
+ 1, outc);
+ previous_attr &= ALL_BUT_COLOR;
+ previous_pair = 0;
+ }
+ SetColorsIf((pair != 0) || fix_pair0, previous_attr, previous_pair);
+ } else {
+
+ TR(TRACE_ATTRS, ("turning %s off", _traceattr(turn_off)));
+
+ TurnOff(A_ALTCHARSET, exit_alt_charset_mode);
+
+ if (!SP_PARM || SP_PARM->_use_rmul) {
+ TurnOff(A_UNDERLINE, exit_underline_mode);
+ }
+
+ if (!SP_PARM || SP_PARM->_use_rmso) {
+ TurnOff(A_STANDOUT, exit_standout_mode);
+ }
+
+ if (turn_off && exit_attribute_mode) {
+ doPut(exit_attribute_mode);
+ turn_on |= (newmode & ALL_BUT_COLOR);
+ previous_attr &= ALL_BUT_COLOR;
+ previous_pair = 0;
+ }
+ SetColorsIf((pair != 0) || fix_pair0, previous_attr, previous_pair);
+
+ TR(TRACE_ATTRS, ("turning %s on", _traceattr(turn_on)));
+ /* *INDENT-OFF* */
+ TurnOn(A_ALTCHARSET, enter_alt_charset_mode);
+ TurnOn(A_BLINK, enter_blink_mode);
+ TurnOn(A_BOLD, enter_bold_mode);
+ TurnOn(A_DIM, enter_dim_mode);
+ TurnOn(A_REVERSE, enter_reverse_mode);
+ TurnOn(A_STANDOUT, enter_standout_mode);
+ TurnOn(A_PROTECT, enter_protected_mode);
+ TurnOn(A_INVIS, enter_secure_mode);
+ TurnOn(A_UNDERLINE, enter_underline_mode);
+#if USE_WIDEC_SUPPORT
+ TurnOn(A_HORIZONTAL, enter_horizontal_hl_mode);
+ TurnOn(A_LEFT, enter_left_hl_mode);
+ TurnOn(A_LOW, enter_low_hl_mode);
+ TurnOn(A_RIGHT, enter_right_hl_mode);
+ TurnOn(A_TOP, enter_top_hl_mode);
+ TurnOn(A_VERTICAL, enter_vertical_hl_mode);
+#endif
+ /* *INDENT-ON* */
+
+ }
+
+ if (reverse)
+ newmode |= A_REVERSE;
+
+ if (SP_PARM) {
+ SetAttr(SCREEN_ATTRS(SP_PARM), newmode);
+ SetPair(SCREEN_ATTRS(SP_PARM), pair);
+ } else {
+ previous_attr = newmode;
+ previous_pair = pair;
+ }
+
+ returnCode(OK);
+#else