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-rw-r--r--ncurses/base/lib_color.c544
1 files changed, 405 insertions, 139 deletions
diff --git a/ncurses/base/lib_color.c b/ncurses/base/lib_color.c
index 9cae495436fe..a5c181c8b4b1 100644
--- a/ncurses/base/lib_color.c
+++ b/ncurses/base/lib_color.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2009,2010 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 *
@@ -30,6 +30,7 @@
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
* and: Thomas E. Dickey 1996-on *
+ * and: Juergen Pfeifer 2009 *
****************************************************************************/
/* lib_color.c
@@ -38,12 +39,33 @@
*/
#include <curses.priv.h>
-
-#include <term.h>
#include <tic.h>
-MODULE_ID("$Id: lib_color.c,v 1.85 2007/04/07 17:07:28 tom Exp $")
+#ifndef CUR
+#define CUR SP_TERMTYPE
+#endif
+
+MODULE_ID("$Id: lib_color.c,v 1.98 2010/04/24 22:57:53 tom Exp $")
+
+#ifdef USE_TERM_DRIVER
+#define CanChange InfoOf(SP_PARM).canchange
+#define DefaultPalette InfoOf(SP_PARM).defaultPalette
+#define HasColor InfoOf(SP_PARM).hascolor
+#define InitColor InfoOf(SP_PARM).initcolor
+#define MaxColors InfoOf(SP_PARM).maxcolors
+#define MaxPairs InfoOf(SP_PARM).maxpairs
+#define UseHlsPalette (DefaultPalette == _nc_hls_palette)
+#else
+#define CanChange can_change
+#define DefaultPalette (hue_lightness_saturation ? hls_palette : cga_palette)
+#define HasColor has_color
+#define InitColor initialize_color
+#define MaxColors max_colors
+#define MaxPairs max_pairs
+#define UseHlsPalette (hue_lightness_saturation)
+#endif
+#ifndef USE_TERM_DRIVER
/*
* These should be screen structure members. They need to be globals for
* historical reasons. So we assign them in start_color() and also in
@@ -64,6 +86,7 @@ NCURSES_PUBLIC_VAR(COLORS) (void)
NCURSES_EXPORT_VAR(int) COLOR_PAIRS = 0;
NCURSES_EXPORT_VAR(int) COLORS = 0;
#endif
+#endif /* !USE_TERM_DRIVER */
#define DATA(r,g,b) {r,g,b, 0,0,0, 0}
@@ -71,7 +94,7 @@ NCURSES_EXPORT_VAR(int) COLORS = 0;
#define MAX_PALETTE 8
-#define OkColorHi(n) (((n) < COLORS) && ((n) < max_colors))
+#define OkColorHi(n) (((n) < COLORS) && ((n) < maxcolors))
#define InPalette(n) ((n) >= 0 && (n) < MAX_PALETTE)
/*
@@ -106,29 +129,43 @@ static const color_t hls_palette[] =
DATA( 300, 50, 100), /* COLOR_CYAN */
DATA( 0, 50, 100), /* COLOR_WHITE */
};
+
+#ifdef USE_TERM_DRIVER
+NCURSES_EXPORT_VAR(const color_t*) _nc_cga_palette = cga_palette;
+NCURSES_EXPORT_VAR(const color_t*) _nc_hls_palette = hls_palette;
+#endif
+
/* *INDENT-ON* */
+/*
+ * Ensure that we use color pairs only when colors have been started, and also
+ * that the index is within the limits of the table which we allocated.
+ */
+#define ValidPair(pair) \
+ ((SP_PARM != 0) && (pair >= 0) && (pair < SP_PARM->_pair_limit) && SP_PARM->_coloron)
+
#if NCURSES_EXT_FUNCS
/*
* These are called from _nc_do_color(), which in turn is called from
- * vidattr - so we have to assume that SP may be null.
+ * vidattr - so we have to assume that sp may be null.
*/
static int
-default_fg(void)
+default_fg(NCURSES_SP_DCL0)
{
- return (SP != 0) ? SP->_default_fg : COLOR_WHITE;
+ return (SP_PARM != 0) ? SP_PARM->_default_fg : COLOR_WHITE;
}
static int
-default_bg(void)
+default_bg(NCURSES_SP_DCL0)
{
- return SP != 0 ? SP->_default_bg : COLOR_BLACK;
+ return SP_PARM != 0 ? SP_PARM->_default_bg : COLOR_BLACK;
}
#else
-#define default_fg() COLOR_WHITE
-#define default_bg() COLOR_BLACK
+#define default_fg(sp) COLOR_WHITE
+#define default_bg(sp) COLOR_BLACK
#endif
+#ifndef USE_TERM_DRIVER
/*
* SVr4 curses is known to interchange color codes (1,4) and (3,6), possibly
* to maintain compatibility with a pre-ANSI scheme. The same scheme is
@@ -145,52 +182,70 @@ toggled_colors(int c)
}
return c;
}
+#endif
static void
-set_background_color(int bg, int (*outc) (int))
+set_background_color(NCURSES_SP_DCLx int bg, NCURSES_SP_OUTC outc)
{
+#ifdef USE_TERM_DRIVER
+ CallDriver_3(SP_PARM, color, FALSE, bg, outc);
+#else
if (set_a_background) {
TPUTS_TRACE("set_a_background");
- tputs(TPARM_1(set_a_background, bg), 1, outc);
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_1(set_a_background, bg),
+ 1, outc);
} else {
TPUTS_TRACE("set_background");
- tputs(TPARM_1(set_background, toggled_colors(bg)), 1, outc);
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_1(set_background, toggled_colors(bg)),
+ 1, outc);
}
+#endif
}
static void
-set_foreground_color(int fg, int (*outc) (int))
+set_foreground_color(NCURSES_SP_DCLx int fg, NCURSES_SP_OUTC outc)
{
+#ifdef USE_TERM_DRIVER
+ CallDriver_3(SP_PARM, color, TRUE, fg, outc);
+#else
if (set_a_foreground) {
TPUTS_TRACE("set_a_foreground");
- tputs(TPARM_1(set_a_foreground, fg), 1, outc);
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_1(set_a_foreground, fg),
+ 1, outc);
} else {
TPUTS_TRACE("set_foreground");
- tputs(TPARM_1(set_foreground, toggled_colors(fg)), 1, outc);
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_1(set_foreground, toggled_colors(fg)),
+ 1, outc);
}
+#endif
}
static void
-init_color_table(void)
+init_color_table(NCURSES_SP_DCL0)
{
- const color_t *tp;
+ const color_t *tp = DefaultPalette;
int n;
- tp = (hue_lightness_saturation) ? hls_palette : cga_palette;
+ assert(tp != 0);
+
for (n = 0; n < COLORS; n++) {
if (InPalette(n)) {
- SP->_color_table[n] = tp[n];
+ SP_PARM->_color_table[n] = tp[n];
} else {
- SP->_color_table[n] = tp[n % MAX_PALETTE];
- if (hue_lightness_saturation) {
- SP->_color_table[n].green = 100;
+ SP_PARM->_color_table[n] = tp[n % MAX_PALETTE];
+ if (UseHlsPalette) {
+ SP_PARM->_color_table[n].green = 100;
} else {
- if (SP->_color_table[n].red)
- SP->_color_table[n].red = 1000;
- if (SP->_color_table[n].green)
- SP->_color_table[n].green = 1000;
- if (SP->_color_table[n].blue)
- SP->_color_table[n].blue = 1000;
+ if (SP_PARM->_color_table[n].red)
+ SP_PARM->_color_table[n].red = 1000;
+ if (SP_PARM->_color_table[n].green)
+ SP_PARM->_color_table[n].green = 1000;
+ if (SP_PARM->_color_table[n].blue)
+ SP_PARM->_color_table[n].blue = 1000;
}
}
}
@@ -200,16 +255,21 @@ init_color_table(void)
* Reset the color pair, e.g., to whatever color pair 0 is.
*/
static bool
-reset_color_pair(void)
+reset_color_pair(NCURSES_SP_DCL0)
{
+#ifdef USE_TERM_DRIVER
+ return CallDriver(SP_PARM, rescol);
+#else
bool result = FALSE;
+ (void) SP_PARM;
if (orig_pair != 0) {
TPUTS_TRACE("orig_pair");
putp(orig_pair);
result = TRUE;
}
return result;
+#endif
}
/*
@@ -217,65 +277,93 @@ reset_color_pair(void)
* badly-written terminal descriptions than for the relatively rare case where
* someone has changed the color definitions.
*/
-bool
-_nc_reset_colors(void)
+NCURSES_EXPORT(bool)
+NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_DCL0)
{
int result = FALSE;
- T((T_CALLED("_nc_reset_colors()")));
- if (SP->_color_defs > 0)
- SP->_color_defs = -(SP->_color_defs);
-
- if (reset_color_pair())
+ T((T_CALLED("_nc_reset_colors(%p)"), (void *) SP_PARM));
+ if (SP_PARM->_color_defs > 0)
+ SP_PARM->_color_defs = -(SP_PARM->_color_defs);
+ if (reset_color_pair(NCURSES_SP_ARG))
result = TRUE;
+
+#ifdef USE_TERM_DRIVER
+ result = CallDriver(SP_PARM, rescolors);
+#else
if (orig_colors != 0) {
TPUTS_TRACE("orig_colors");
putp(orig_colors);
result = TRUE;
}
+#endif
returnBool(result);
}
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(bool)
+_nc_reset_colors(void)
+{
+ return NCURSES_SP_NAME(_nc_reset_colors) (CURRENT_SCREEN);
+}
+#endif
+
NCURSES_EXPORT(int)
-start_color(void)
+NCURSES_SP_NAME(start_color) (NCURSES_SP_DCL0)
{
int result = ERR;
+ int maxpairs = 0, maxcolors = 0;
- T((T_CALLED("start_color()")));
+ T((T_CALLED("start_color(%p)"), (void *) SP_PARM));
- if (SP == 0) {
+ if (SP_PARM == 0) {
result = ERR;
- } else if (SP->_coloron) {
+ } else if (SP_PARM->_coloron) {
result = OK;
} else {
-
- if (reset_color_pair() != TRUE) {
- set_foreground_color(default_fg(), _nc_outch);
- set_background_color(default_bg(), _nc_outch);
+ maxpairs = MaxPairs;
+ maxcolors = MaxColors;
+ if (reset_color_pair(NCURSES_SP_ARG) != TRUE) {
+ set_foreground_color(NCURSES_SP_ARGx
+ default_fg(NCURSES_SP_ARG),
+ NCURSES_SP_NAME(_nc_outch));
+ set_background_color(NCURSES_SP_ARGx
+ default_bg(NCURSES_SP_ARG),
+ NCURSES_SP_NAME(_nc_outch));
}
- if (max_pairs > 0 && max_colors > 0) {
- SP->_pair_count = max_pairs;
- SP->_color_count = max_colors;
+ if (maxpairs > 0 && maxcolors > 0) {
+ SP_PARM->_pair_limit = maxpairs;
+
+#if NCURSES_EXT_FUNCS
+ /*
+ * If using default colors, allocate extra space in table to
+ * allow for default-color as a component of a color-pair.
+ */
+ SP_PARM->_pair_limit += (1 + (2 * maxcolors));
+#endif
+ SP_PARM->_pair_count = maxpairs;
+ SP_PARM->_color_count = maxcolors;
#if !USE_REENTRANT
- COLOR_PAIRS = max_pairs;
- COLORS = max_colors;
+ COLOR_PAIRS = maxpairs;
+ COLORS = maxcolors;
#endif
- if ((SP->_color_pairs = TYPE_CALLOC(colorpair_t,
- max_pairs)) != 0) {
- if ((SP->_color_table = TYPE_CALLOC(color_t,
- max_colors)) != 0) {
- SP->_color_pairs[0] = PAIR_OF(default_fg(), default_bg());
- init_color_table();
+ SP_PARM->_color_pairs = TYPE_CALLOC(colorpair_t, SP_PARM->_pair_limit);
+ if (SP_PARM->_color_pairs != 0) {
+ SP_PARM->_color_table = TYPE_CALLOC(color_t, maxcolors);
+ if (SP_PARM->_color_table != 0) {
+ SP_PARM->_color_pairs[0] = PAIR_OF(default_fg(NCURSES_SP_ARG),
+ default_bg(NCURSES_SP_ARG));
+ init_color_table(NCURSES_SP_ARG);
T(("started color: COLORS = %d, COLOR_PAIRS = %d",
COLORS, COLOR_PAIRS));
- SP->_coloron = 1;
+ SP_PARM->_coloron = 1;
result = OK;
- } else if (SP->_color_pairs != 0) {
- FreeAndNull(SP->_color_pairs);
+ } else if (SP_PARM->_color_pairs != 0) {
+ FreeAndNull(SP_PARM->_color_pairs);
}
}
} else {
@@ -285,6 +373,14 @@ start_color(void)
returnCode(result);
}
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+start_color(void)
+{
+ return NCURSES_SP_NAME(start_color) (CURRENT_SCREEN);
+}
+#endif
+
/* This function was originally written by Daniel Weaver <danw@znyx.com> */
static void
rgb2hls(short r, short g, short b, short *h, short *l, short *s)
@@ -298,7 +394,7 @@ rgb2hls(short r, short g, short b, short *h, short *l, short *s)
max = b;
/* calculate lightness */
- *l = (min + max) / 20;
+ *l = (short) ((min + max) / 20);
if (min == max) { /* black, white and all shades of gray */
*h = 0;
@@ -308,17 +404,17 @@ rgb2hls(short r, short g, short b, short *h, short *l, short *s)
/* calculate saturation */
if (*l < 50)
- *s = ((max - min) * 100) / (max + min);
+ *s = (short) (((max - min) * 100) / (max + min));
else
- *s = ((max - min) * 100) / (2000 - max - min);
+ *s = (short) (((max - min) * 100) / (2000 - max - min));
/* calculate hue */
if (r == max)
- t = 120 + ((g - b) * 60) / (max - min);
+ t = (short) (120 + ((g - b) * 60) / (max - min));
else if (g == max)
- t = 240 + ((b - r) * 60) / (max - min);
+ t = (short) (240 + ((b - r) * 60) / (max - min));
else
- t = 360 + ((r - g) * 60) / (max - min);
+ t = (short) (360 + ((r - g) * 60) / (max - min));
*h = t % 360;
}
@@ -328,24 +424,75 @@ rgb2hls(short r, short g, short b, short *h, short *l, short *s)
* values.
*/
NCURSES_EXPORT(int)
-init_pair(short pair, short f, short b)
+NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx short pair, short f, short b)
{
colorpair_t result;
+ colorpair_t previous;
+ int maxcolors;
- T((T_CALLED("init_pair(%d,%d,%d)"), pair, f, b));
+ T((T_CALLED("init_pair(%p,%d,%d,%d)"), (void *) SP_PARM, pair, f, b));
- if ((pair < 0) || (pair >= COLOR_PAIRS) || SP == 0 || !SP->_coloron)
+ if (!ValidPair(pair))
returnCode(ERR);
+
+ maxcolors = MaxColors;
+
+ previous = SP_PARM->_color_pairs[pair];
#if NCURSES_EXT_FUNCS
- if (SP->_default_color) {
- if (f < 0)
+ if (SP_PARM->_default_color) {
+ bool isDefault = FALSE;
+ bool wasDefault = FALSE;
+ int default_pairs = SP_PARM->_default_pairs;
+
+ /*
+ * Map caller's color number, e.g., -1, 0, 1, .., 7, etc., into
+ * internal unsigned values which we will store in the _color_pairs[]
+ * table.
+ */
+ if (isDefaultColor(f)) {
f = COLOR_DEFAULT;
- if (b < 0)
+ isDefault = TRUE;
+ } else if (!OkColorHi(f)) {
+ returnCode(ERR);
+ }
+
+ if (isDefaultColor(b)) {
b = COLOR_DEFAULT;
- if (!OkColorHi(f) && !isDefaultColor(f))
+ isDefault = TRUE;
+ } else if (!OkColorHi(b)) {
returnCode(ERR);
- if (!OkColorHi(b) && !isDefaultColor(b))
+ }
+
+ /*
+ * Check if the table entry that we are going to init/update used
+ * default colors.
+ */
+ if ((FORE_OF(previous) == COLOR_DEFAULT)
+ || (BACK_OF(previous) == COLOR_DEFAULT))
+ wasDefault = TRUE;
+
+ /*
+ * Keep track of the number of entries in the color pair table which
+ * used a default color.
+ */
+ if (isDefault && !wasDefault) {
+ ++default_pairs;
+ } else if (wasDefault && !isDefault) {
+ --default_pairs;
+ }
+
+ /*
+ * As an extension, ncurses allows the pair number to exceed the
+ * terminal's color_pairs value for pairs using a default color.
+ *
+ * Note that updating a pair which used a default color with one
+ * that does not will decrement the count - and possibly interfere
+ * with sequentially adding new pairs.
+ */
+ if (pair > (SP_PARM->_pair_count + default_pairs)) {
returnCode(ERR);
+ }
+ SP_PARM->_default_pairs = default_pairs;
} else
#endif
{
@@ -361,14 +508,14 @@ init_pair(short pair, short f, short b)
* pair colors with the new ones).
*/
result = PAIR_OF(f, b);
- if (SP->_color_pairs[pair] != 0
- && SP->_color_pairs[pair] != result) {
+ if (previous != 0
+ && previous != result) {
int y, x;
- for (y = 0; y <= curscr->_maxy; y++) {
- struct ldat *ptr = &(curscr->_line[y]);
+ for (y = 0; y <= CurScreen(SP_PARM)->_maxy; y++) {
+ struct ldat *ptr = &(CurScreen(SP_PARM)->_line[y]);
bool changed = FALSE;
- for (x = 0; x <= curscr->_maxx; x++) {
+ for (x = 0; x <= CurScreen(SP_PARM)->_maxx; x++) {
if (GetPair(ptr->text[x]) == pair) {
/* Set the old cell to zero to ensure it will be
updated on the next doupdate() */
@@ -378,15 +525,19 @@ init_pair(short pair, short f, short b)
}
}
if (changed)
- _nc_make_oldhash(y);
+ NCURSES_SP_NAME(_nc_make_oldhash) (NCURSES_SP_ARGx y);
}
}
- SP->_color_pairs[pair] = result;
- if (GET_SCREEN_PAIR(SP) == pair)
- SET_SCREEN_PAIR(SP, (chtype) (~0)); /* force attribute update */
+ SP_PARM->_color_pairs[pair] = result;
+ if (GET_SCREEN_PAIR(SP_PARM) == pair)
+ SET_SCREEN_PAIR(SP_PARM, (chtype) (~0)); /* force attribute update */
+
+#ifdef USE_TERM_DRIVER
+ CallDriver_3(SP_PARM, initpair, pair, f, b);
+#else
if (initialize_pair && InPalette(f) && InPalette(b)) {
- const color_t *tp = hue_lightness_saturation ? hls_palette : cga_palette;
+ const color_t *tp = DefaultPalette;
TR(TRACE_ATTRS,
("initializing pair: pair = %d, fg=(%d,%d,%d), bg=(%d,%d,%d)",
@@ -400,80 +551,148 @@ init_pair(short pair, short f, short b)
tp[f].red, tp[f].green, tp[f].blue,
tp[b].red, tp[b].green, tp[b].blue));
}
+#endif
returnCode(OK);
}
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+init_pair(short pair, short f, short b)
+{
+ return NCURSES_SP_NAME(init_pair) (CURRENT_SCREEN, pair, f, b);
+}
+#endif
+
#define okRGB(n) ((n) >= 0 && (n) <= 1000)
NCURSES_EXPORT(int)
-init_color(short color, short r, short g, short b)
+NCURSES_SP_NAME(init_color) (NCURSES_SP_DCLx
+ short color, short r, short g, short b)
{
int result = ERR;
+ int maxcolors;
+
+ T((T_CALLED("init_color(%p,%d,%d,%d,%d)"),
+ (void *) SP_PARM,
+ color,
+ r, g, b));
- T((T_CALLED("init_color(%d,%d,%d,%d)"), color, r, g, b));
+ if (SP_PARM == 0)
+ returnCode(result);
- if (initialize_color != NULL
- && SP != 0
- && SP->_coloron
+ maxcolors = MaxColors;
+
+ if (InitColor
+ && SP_PARM->_coloron
&& (color >= 0 && OkColorHi(color))
&& (okRGB(r) && okRGB(g) && okRGB(b))) {
- SP->_color_table[color].init = 1;
- SP->_color_table[color].r = r;
- SP->_color_table[color].g = g;
- SP->_color_table[color].b = b;
+ SP_PARM->_color_table[color].init = 1;
+ SP_PARM->_color_table[color].r = r;
+ SP_PARM->_color_table[color].g = g;
+ SP_PARM->_color_table[color].b = b;
- if (hue_lightness_saturation) {
+ if (UseHlsPalette) {
rgb2hls(r, g, b,
- &SP->_color_table[color].red,
- &SP->_color_table[color].green,
- &SP->_color_table[color].blue);
+ &SP_PARM->_color_table[color].red,
+ &SP_PARM->_color_table[color].green,
+ &SP_PARM->_color_table[color].blue);
} else {
- SP->_color_table[color].red = r;
- SP->_color_table[color].green = g;
- SP->_color_table[color].blue = b;
+ SP_PARM->_color_table[color].red = r;
+ SP_PARM->_color_table[color].green = g;
+ SP_PARM->_color_table[color].blue = b;
}
+#ifdef USE_TERM_DRIVER
+ CallDriver_4(SP_PARM, initcolor, color, r, g, b);
+#else
TPUTS_TRACE("initialize_color");
putp(TPARM_4(initialize_color, color, r, g, b));
- SP->_color_defs = max(color + 1, SP->_color_defs);
+#endif
+ SP_PARM->_color_defs = max(color + 1, SP_PARM->_color_defs);
+
result = OK;
}
returnCode(result);
}
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+init_color(short color, short r, short g, short b)
+{
+ return NCURSES_SP_NAME(init_color) (CURRENT_SCREEN, color, r, g, b);
+}
+#endif
+
+NCURSES_EXPORT(bool)
+NCURSES_SP_NAME(can_change_color) (NCURSES_SP_DCL)
+{
+ T((T_CALLED("can_change_color(%p)"), (void *) SP_PARM));
+ returnCode((CanChange != 0) ? TRUE : FALSE);
+}
+
+#if NCURSES_SP_FUNCS
NCURSES_EXPORT(bool)
can_change_color(void)
{
- T((T_CALLED("can_change_color()")));
- returnCode((can_change != 0) ? TRUE : FALSE);
+ return NCURSES_SP_NAME(can_change_color) (CURRENT_SCREEN);
}
+#endif
NCURSES_EXPORT(bool)
-has_colors(void)
+NCURSES_SP_NAME(has_colors) (NCURSES_SP_DCL0)
{
+ int code;
+
+ (void) SP_PARM;
T((T_CALLED("has_colors()")));
- returnCode((VALID_NUMERIC(max_colors) && VALID_NUMERIC(max_pairs)
- && (((set_foreground != NULL)
- && (set_background != NULL))
- || ((set_a_foreground != NULL)
- && (set_a_background != NULL))
- || set_color_pair)) ? TRUE : FALSE);
+#ifdef USE_TERM_DRIVER
+ code = HasColor;
+#else
+ code = ((VALID_NUMERIC(max_colors) && VALID_NUMERIC(max_pairs)
+ && (((set_foreground != NULL)
+ && (set_background != NULL))
+ || ((set_a_foreground != NULL)
+ && (set_a_background != NULL))
+ || set_color_pair)) ? TRUE : FALSE);
+#endif
+ returnCode(code);
}
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(bool)
+has_colors(void)
+{
+ return NCURSES_SP_NAME(has_colors) (CURRENT_SCREEN);
+}
+#endif
+
NCURSES_EXPORT(int)
-color_content(short color, short *r, short *g, short *b)
+NCURSES_SP_NAME(color_content) (NCURSES_SP_DCLx
+ short color, short *r, short *g, short *b)
{
- int result;
+ int result = ERR;
+ int maxcolors;
+
+ T((T_CALLED("color_content(%p,%d,%p,%p,%p)"),
+ (void *) SP_PARM,
+ color,
+ (void *) r,
+ (void *) g,
+ (void *) b));
+
+ if (SP_PARM == 0)
+ returnCode(result);
- T((T_CALLED("color_content(%d,%p,%p,%p)"), color, r, g, b));
- if (color < 0 || !OkColorHi(color) || SP == 0 || !SP->_coloron) {
+ maxcolors = MaxColors;
+
+ if (color < 0 || !OkColorHi(color) || !SP_PARM->_coloron) {
result = ERR;
} else {
- NCURSES_COLOR_T c_r = SP->_color_table[color].red;
- NCURSES_COLOR_T c_g = SP->_color_table[color].green;
- NCURSES_COLOR_T c_b = SP->_color_table[color].blue;
+ NCURSES_COLOR_T c_r = SP_PARM->_color_table[color].red;
+ NCURSES_COLOR_T c_g = SP_PARM->_color_table[color].green;
+ NCURSES_COLOR_T c_b = SP_PARM->_color_table[color].blue;
if (r)
*r = c_r;
@@ -489,18 +708,31 @@ color_content(short color, short *r, short *g, short *b)
returnCode(result);
}
+#if NCURSES_SP_FUNCS
NCURSES_EXPORT(int)
-pair_content(short pair, short *f, short *b)
+color_content(short color, short *r, short *g, short *b)
+{
+ return NCURSES_SP_NAME(color_content) (CURRENT_SCREEN, color, r, g, b);
+}
+#endif
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx
+ short pair, short *f, short *b)
{
int result;
- T((T_CALLED("pair_content(%d,%p,%p)"), pair, f, b));
+ T((T_CALLED("pair_content(%p,%d,%p,%p)"),
+ (void *) SP_PARM,
+ pair,
+ (void *) f,
+ (void *) b));
- if ((pair < 0) || (pair >= COLOR_PAIRS) || SP == 0 || !SP->_coloron) {
+ if (!ValidPair(pair)) {
result = ERR;
} else {
- NCURSES_COLOR_T fg = ((SP->_color_pairs[pair] >> C_SHIFT) & C_MASK);
- NCURSES_COLOR_T bg = (SP->_color_pairs[pair] & C_MASK);
+ NCURSES_COLOR_T fg = FORE_OF(SP_PARM->_color_pairs[pair]);
+ NCURSES_COLOR_T bg = BACK_OF(SP_PARM->_color_pairs[pair]);
#if NCURSES_EXT_FUNCS
if (fg == COLOR_DEFAULT)
@@ -514,33 +746,53 @@ pair_content(short pair, short *f, short *b)
if (b)
*b = bg;
- TR(TRACE_ATTRS, ("...pair_content(%d,%d,%d)", pair, fg, bg));
+ TR(TRACE_ATTRS, ("...pair_content(%p,%d,%d,%d)",
+ (void *) SP_PARM,
+ pair,
+ fg, bg));
result = OK;
}
returnCode(result);
}
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+pair_content(short pair, short *f, short *b)
+{
+ return NCURSES_SP_NAME(pair_content) (CURRENT_SCREEN, pair, f, b);
+}
+#endif
+
NCURSES_EXPORT(void)
-_nc_do_color(short old_pair, short pair, bool reverse, int (*outc) (int))
+NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_DCLx
+ short old_pair,
+ short pair,
+ bool reverse,
+ NCURSES_SP_OUTC outc)
{
+#ifdef USE_TERM_DRIVER
+ CallDriver_4(SP_PARM, docolor, old_pair, pair, reverse, outc);
+#else
NCURSES_COLOR_T fg = COLOR_DEFAULT;
NCURSES_COLOR_T bg = COLOR_DEFAULT;
NCURSES_COLOR_T old_fg, old_bg;
- if (pair < 0 || pair >= COLOR_PAIRS) {
+ if (!ValidPair(pair)) {
return;
} else if (pair != 0) {
if (set_color_pair) {
TPUTS_TRACE("set_color_pair");
- tputs(TPARM_1(set_color_pair, pair), 1, outc);
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ TPARM_1(set_color_pair, pair),
+ 1, outc);
return;
- } else if (SP != 0) {
+ } else if (SP_PARM != 0) {
pair_content((short) pair, &fg, &bg);
}
}
if (old_pair >= 0
- && SP != 0
+ && SP_PARM != 0
&& pair_content(old_pair, &old_fg, &old_bg) != ERR) {
if ((isDefaultColor(fg) && !isDefaultColor(old_fg))
|| (isDefaultColor(bg) && !isDefaultColor(old_bg))) {
@@ -550,29 +802,29 @@ _nc_do_color(short old_pair, short pair, bool reverse, int (*outc) (int))
* the terminal description, treat it as screen's indicator of ECMA
* SGR 39 and SGR 49, and assume the two sequences are independent.
*/
- if (SP->_has_sgr_39_49
+ if (SP_PARM->_has_sgr_39_49
&& isDefaultColor(old_bg)
&& !isDefaultColor(old_fg)) {
- tputs("\033[39m", 1, outc);
- } else if (SP->_has_sgr_39_49
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx "\033[39m", 1, outc);
+ } else if (SP_PARM->_has_sgr_39_49
&& isDefaultColor(old_fg)
&& !isDefaultColor(old_bg)) {
- tputs("\033[49m", 1, outc);
+ NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx "\033[49m", 1, outc);
} else
#endif
- reset_color_pair();
+ reset_color_pair(NCURSES_SP_ARG);
}
} else {
- reset_color_pair();
+ reset_color_pair(NCURSES_SP_ARG);
if (old_pair < 0)
return;
}
#if NCURSES_EXT_FUNCS
if (isDefaultColor(fg))
- fg = default_fg();
+ fg = (short) default_fg(NCURSES_SP_ARG);
if (isDefaultColor(bg))
- bg = default_bg();
+ bg = (short) default_bg(NCURSES_SP_ARG);
#endif
if (reverse) {
@@ -585,9 +837,23 @@ _nc_do_color(short old_pair, short pair, bool reverse, int (*outc) (int))
fg, bg));
if (!isDefaultColor(fg)) {
- set_foreground_color(fg, outc);
+ set_foreground_color(NCURSES_SP_ARGx fg, outc);
}
if (!isDefaultColor(bg)) {
- set_background_color(bg, outc);
+ set_background_color(NCURSES_SP_ARGx bg, outc);
}
+#endif
}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(void)
+_nc_do_color(short old_pair, short pair, bool reverse, NCURSES_OUTC outc)
+{
+ SetSafeOutcWrapper(outc);
+ NCURSES_SP_NAME(_nc_do_color) (CURRENT_SCREEN,
+ old_pair,
+ pair,
+ reverse,
+ _nc_outc_wrapper);
+}
+#endif