/****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc. *
+ * Copyright (c) 1998,1999,2000,2001 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
#include <curses.priv.h>
#include <term.h>
-MODULE_ID("$Id: lib_vidattr.c,v 1.23 1999/06/12 21:20:41 tom Exp $")
+MODULE_ID("$Id: lib_vidattr.c,v 1.39 2001/08/26 00:40:46 Philippe.Blain Exp $")
#define doPut(mode) TPUTS_TRACE(#mode); tputs(mode, 1, outc)
/* if there is no current screen, assume we *can* do color */
#define SetColorsIf(why,old_attr) \
- if ((!SP || SP->_coloron) && (why)) { \
+ if (can_color && (why)) { \
int old_pair = PAIR_NUMBER(old_attr); \
- T(("old pair = %d -- new pair = %d", old_pair, pair)); \
+ TR(TRACE_ATTRS, ("old pair = %d -- new pair = %d", old_pair, pair)); \
if ((pair != old_pair) \
+ || (fix_pair0 && (pair == 0)) \
|| (reverse ^ ((old_attr & A_REVERSE) != 0))) { \
- _nc_do_color(pair, reverse, outc); \
+ _nc_do_color(old_pair, pair, reverse, outc); \
} \
}
-int vidputs(attr_t newmode, int (*outc)(int))
+NCURSES_EXPORT(int)
+vidputs
+(chtype newmode, int (*outc) (int))
{
-static attr_t previous_attr = A_NORMAL;
-attr_t turn_on, turn_off;
-int pair;
-bool reverse = FALSE;
-bool used_ncv = FALSE;
+ static attr_t previous_attr = A_NORMAL;
+ attr_t turn_on, turn_off;
+ int pair;
+ bool reverse = FALSE;
+ bool can_color = (SP == 0 || SP->_coloron);
+#if NCURSES_EXT_FUNCS
+ bool fix_pair0 = (SP != 0 && SP->_coloron && !SP->_default_color);
+#else
+#define fix_pair0 FALSE
+#endif
- T((T_CALLED("vidputs(%s)"), _traceattr(newmode)));
+ T((T_CALLED("vidputs(%s)"), _traceattr(newmode)));
- /* this allows us to go on whether or not newterm() has been called */
- if (SP)
- previous_attr = SP->_current_attr;
+ /* this allows us to go on whether or not newterm() has been called */
+ if (SP)
+ previous_attr = SP->_current_attr;
- T(("previous attribute was %s", _traceattr(previous_attr)));
+ TR(TRACE_ATTRS, ("previous attribute was %s", _traceattr(previous_attr)));
#if !USE_XMC_SUPPORT
- if ((SP != 0)
- && (magic_cookie_glitch > 0))
- newmode &= ~(SP->_xmc_suppress);
+ if ((SP != 0)
+ && (magic_cookie_glitch > 0))
+ newmode &= ~(SP->_xmc_suppress);
#endif
+ /*
+ * If we have a terminal that cannot combine color with video
+ * attributes, use the colors in preference.
+ */
+ if (((newmode & A_COLOR) != 0
+ || fix_pair0)
+ && (no_color_video > 0)) {
/*
- * If we have a terminal that cannot combine color with video
- * attributes, use the colors in preference.
+ * 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.
*/
- if ((newmode & A_COLOR)
- && (no_color_video > 0)) {
- static const struct {
- attr_t video;
- unsigned bit;
- } table[] = {
- { A_STANDOUT, 1 },
- { A_UNDERLINE, 2 },
- { A_REVERSE, 4 },
- { A_BLINK, 8 },
- { A_DIM, 16 },
- { A_BOLD, 32 },
- { A_INVIS, 64 },
- { A_PROTECT, 128 },
- { A_ALTCHARSET, 256 },
- };
- size_t n;
- for (n = 0; n < SIZEOF(table); n++) {
- if ((table[n].bit & no_color_video)
- && (table[n].video & newmode)) {
- used_ncv = TRUE;
- if (table[n].video == A_REVERSE)
- reverse = TRUE;
- else
- newmode &= ~table[n].video;
- }
- }
+ 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)
- returnCode(OK);
+ if (newmode == previous_attr)
+ returnCode(OK);
- pair = PAIR_NUMBER(newmode);
+ pair = PAIR_NUMBER(newmode);
- if (reverse) {
- newmode &= ~A_REVERSE;
- }
+ if (reverse) {
+ newmode &= ~A_REVERSE;
+ }
- turn_off = (~newmode & previous_attr) & ALL_BUT_COLOR;
- turn_on = (newmode & ~previous_attr) & ALL_BUT_COLOR;
+ turn_off = (~newmode & previous_attr) & ALL_BUT_COLOR;
+ turn_on = (newmode & ~previous_attr) & ALL_BUT_COLOR;
- SetColorsIf(pair == 0, previous_attr);
+ SetColorsIf(((pair == 0) && !fix_pair0), previous_attr);
- if (newmode == A_NORMAL) {
- if((previous_attr & A_ALTCHARSET) && exit_alt_charset_mode) {
- doPut(exit_alt_charset_mode);
- previous_attr &= ~A_ALTCHARSET;
+ 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 || SP->_use_rmul) {
+ TurnOff(A_UNDERLINE, exit_underline_mode);
}
- if (previous_attr) {
- doPut(exit_attribute_mode);
- previous_attr &= ~A_COLOR;
+ if (!SP || SP->_use_rmso) {
+ TurnOff(A_STANDOUT, exit_standout_mode);
}
+ }
+ previous_attr &= ~A_COLOR;
+ }
- SetColorsIf(pair != 0, previous_attr);
- } else if (set_attributes && !used_ncv) {
- if (turn_on || turn_off) {
- TPUTS_TRACE("set_attributes");
- tputs(tparm(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 &= ~A_COLOR;
- }
- SetColorsIf(pair != 0, previous_attr);
- } else {
+ SetColorsIf((pair != 0) || fix_pair0, previous_attr);
+ } else if (set_attributes) {
+ if (turn_on || turn_off) {
+ TPUTS_TRACE("set_attributes");
+ tputs(tparm(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 &= ~A_COLOR;
+ }
+ SetColorsIf((pair != 0) || fix_pair0, previous_attr);
+ } else {
- T(("turning %s off", _traceattr(turn_off)));
+ TR(TRACE_ATTRS, ("turning %s off", _traceattr(turn_off)));
- TurnOff(A_ALTCHARSET, exit_alt_charset_mode);
+ TurnOff(A_ALTCHARSET, exit_alt_charset_mode);
- if (!SP || SP->_use_rmul) {
- TurnOff(A_UNDERLINE, exit_underline_mode);
- }
+ if (!SP || SP->_use_rmul) {
+ TurnOff(A_UNDERLINE, exit_underline_mode);
+ }
- if (!SP || SP->_use_rmso) {
- TurnOff(A_STANDOUT, exit_standout_mode);
- }
+ if (!SP || SP->_use_rmso) {
+ TurnOff(A_STANDOUT, exit_standout_mode);
+ }
- if (turn_off && exit_attribute_mode) {
- doPut(exit_attribute_mode);
- turn_on |= (newmode & (chtype)(~A_COLOR));
- previous_attr &= ~A_COLOR;
- }
- SetColorsIf(pair != 0, previous_attr);
-
- T(("turning %s on", _traceattr(turn_on)));
-
- 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);
- 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);
+ if (turn_off && exit_attribute_mode) {
+ doPut(exit_attribute_mode);
+ turn_on |= (newmode & (chtype) (~A_COLOR));
+ previous_attr &= ~A_COLOR;
}
+ SetColorsIf((pair != 0) || fix_pair0, previous_attr);
+
+ 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);
+#ifdef enter_horizontal_hl_mode
+ TurnOn(A_HORIZONTAL, enter_horizontal_hl_mode);
+#endif
+#ifdef enter_left_hl_mode
+ TurnOn(A_LEFT, enter_left_hl_mode);
+#endif
+#ifdef enter_low_hl_mode
+ TurnOn(A_LOW, enter_low_hl_mode);
+#endif
+#ifdef enter_right_hl_mode
+ TurnOn(A_RIGHT, enter_right_hl_mode);
+#endif
+#ifdef enter_top_hl_mode
+ TurnOn(A_TOP, enter_top_hl_mode);
+#endif
+#ifdef enter_vertical_hl_mode
+ TurnOn(A_VERTICAL, enter_vertical_hl_mode);
+#endif
+ /* *INDENT-ON* */
- if (reverse)
- newmode |= A_REVERSE;
+ }
- if (SP)
- SP->_current_attr = newmode;
- else
- previous_attr = newmode;
+ if (reverse)
+ newmode |= A_REVERSE;
- returnCode(OK);
+ if (SP)
+ SP->_current_attr = newmode;
+ else
+ previous_attr = newmode;
+
+ returnCode(OK);
}
-int vidattr(attr_t newmode)
+NCURSES_EXPORT(int)
+vidattr(chtype newmode)
{
- T((T_CALLED("vidattr(%s)"), _traceattr(newmode)));
+ T((T_CALLED("vidattr(%s)"), _traceattr(newmode)));
- returnCode(vidputs(newmode, _nc_outch));
+ returnCode(vidputs(newmode, _nc_outch));
}
-chtype termattrs(void)
+NCURSES_EXPORT(chtype)
+termattrs(void)
{
- chtype attrs = A_NORMAL;
+ chtype attrs = A_NORMAL;
- if (enter_alt_charset_mode)
- attrs |= A_ALTCHARSET;
+ T((T_CALLED("termattrs()")));
+ if (enter_alt_charset_mode)
+ attrs |= A_ALTCHARSET;
- if (enter_blink_mode)
- attrs |= A_BLINK;
+ if (enter_blink_mode)
+ attrs |= A_BLINK;
- if (enter_bold_mode)
- attrs |= A_BOLD;
+ if (enter_bold_mode)
+ attrs |= A_BOLD;
- if (enter_dim_mode)
- attrs |= A_DIM;
+ if (enter_dim_mode)
+ attrs |= A_DIM;
- if (enter_reverse_mode)
- attrs |= A_REVERSE;
+ if (enter_reverse_mode)
+ attrs |= A_REVERSE;
- if (enter_standout_mode)
- attrs |= A_STANDOUT;
+ if (enter_standout_mode)
+ attrs |= A_STANDOUT;
- if (enter_protected_mode)
- attrs |= A_PROTECT;
+ if (enter_protected_mode)
+ attrs |= A_PROTECT;
- if (enter_secure_mode)
- attrs |= A_INVIS;
+ if (enter_secure_mode)
+ attrs |= A_INVIS;
- if (enter_underline_mode)
- attrs |= A_UNDERLINE;
+ if (enter_underline_mode)
+ attrs |= A_UNDERLINE;
- if (SP->_coloron)
- attrs |= A_COLOR;
+ if (SP->_coloron)
+ attrs |= A_COLOR;
- return(attrs);
+ returnChar(attrs);
}
-
projects / ncurses.git / blobdiff