/****************************************************************************
- * Copyright (c) 1998-2007,2009 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2010,2011 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>
#include <tic.h>
#ifndef CUR
#define CUR SP_TERMTYPE
#endif
-MODULE_ID("$Id: lib_color.c,v 1.92 2009/06/06 20:26:16 tom Exp $")
+MODULE_ID("$Id: lib_color.c,v 1.104 2011/10/22 15:53:42 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
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}
#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)
/*
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* */
/*
* that the index is within the limits of the table which we allocated.
*/
#define ValidPair(pair) \
- ((SP != 0) && (pair >= 0) && (pair < SP->_pair_limit) && SP->_coloron)
+ ((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
}
return c;
}
+#endif
static void
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");
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
TPARM_1(set_background, toggled_colors(bg)),
1, outc);
}
+#endif
}
static void
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");
NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
TPARM_1(set_foreground, toggled_colors(fg)),
1, outc);
}
+#endif
}
static 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_PARM->_color_table[n] = tp[n];
} else {
SP_PARM->_color_table[n] = tp[n % MAX_PALETTE];
- if (hue_lightness_saturation) {
+ if (UseHlsPalette) {
SP_PARM->_color_table[n].green = 100;
} else {
if (SP_PARM->_color_table[n].red)
static bool
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
}
/*
* badly-written terminal descriptions than for the relatively rare case where
* someone has changed the color definitions.
*/
-bool
-NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_DCL0) {
+NCURSES_EXPORT(bool)
+NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_DCL0)
+{
int result = FALSE;
- T((T_CALLED("_nc_reset_colors()")));
+ 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
-bool
+NCURSES_EXPORT(bool)
_nc_reset_colors(void)
{
return NCURSES_SP_NAME(_nc_reset_colors) (CURRENT_SCREEN);
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_PARM == 0) {
result = ERR;
} else if (SP_PARM->_coloron) {
result = OK;
} else {
-
+ maxpairs = MaxPairs;
+ maxcolors = MaxColors;
if (reset_color_pair(NCURSES_SP_ARG) != TRUE) {
set_foreground_color(NCURSES_SP_ARGx
- default_fg(),
+ default_fg(NCURSES_SP_ARG),
NCURSES_SP_NAME(_nc_outch));
set_background_color(NCURSES_SP_ARGx
- default_bg(),
+ default_bg(NCURSES_SP_ARG),
NCURSES_SP_NAME(_nc_outch));
}
+#if !NCURSES_EXT_COLORS
+ /*
+ * Without ext-colors, we cannot represent more than 256 color pairs.
+ */
+ if (maxpairs > 256)
+ maxpairs = 256;
+#endif
- if (max_pairs > 0 && max_colors > 0) {
- SP_PARM->_pair_limit = max_pairs;
+ 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 * max_colors));
+ SP_PARM->_pair_limit += (1 + (2 * maxcolors));
#endif
- SP_PARM->_pair_count = max_pairs;
- SP_PARM->_color_count = max_colors;
+ 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
- SP_PARM->_color_pairs = TYPE_CALLOC(colorpair_t,
- SP_PARM->_pair_limit);
+ 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, max_colors);
+ SP_PARM->_color_table = TYPE_CALLOC(color_t, maxcolors);
if (SP_PARM->_color_table != 0) {
- SP_PARM->_color_pairs[0] = PAIR_OF(default_fg(),
- default_bg());
+ 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",
/* 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)
+rgb2hls(int r, int g, int b, short *h, short *l, short *s)
/* convert RGB to HLS system */
{
- short min, max, t;
+ int min, max, t;
if ((min = g < r ? g : r) > b)
min = b;
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;
/* 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;
+ *h = (short) (t % 360);
}
/*
{
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 (!ValidPair(pair))
returnCode(ERR);
+ maxcolors = MaxColors;
+
previous = SP_PARM->_color_pairs[pair];
#if NCURSES_EXT_FUNCS
- if (SP_PARM->_default_color) {
+ if (SP_PARM->_default_color || SP_PARM->_assumed_color) {
bool isDefault = FALSE;
bool wasDefault = FALSE;
int default_pairs = SP_PARM->_default_pairs;
{
if ((f < 0) || !OkColorHi(f)
|| (b < 0) || !OkColorHi(b)
- || (pair < 1))
+ || (pair < 1)) {
returnCode(ERR);
+ }
}
/*
&& 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() */
}
}
if (changed)
- _nc_make_oldhash(y);
+ NCURSES_SP_NAME(_nc_make_oldhash) (NCURSES_SP_ARGx y);
}
}
+
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)",
tp[f].red, tp[f].green, tp[f].blue,
tp[b].red, tp[b].green, tp[b].blue));
}
+#endif
returnCode(OK);
}
short color, short r, short g, short b)
{
int result = ERR;
+ int maxcolors;
- T((T_CALLED("init_color(%d,%d,%d,%d)"), color, r, g, b));
+ T((T_CALLED("init_color(%p,%d,%d,%d,%d)"),
+ (void *) SP_PARM,
+ color,
+ r, g, b));
- if (initialize_color != NULL
- && SP_PARM != 0
+ if (SP_PARM == 0)
+ returnCode(result);
+
+ maxcolors = MaxColors;
+
+ if (InitColor
&& SP_PARM->_coloron
&& (color >= 0 && OkColorHi(color))
&& (okRGB(r) && okRGB(g) && okRGB(b))) {
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_PARM->_color_table[color].red,
&SP_PARM->_color_table[color].green,
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));
+#endif
SP_PARM->_color_defs = max(color + 1, SP_PARM->_color_defs);
+
result = OK;
}
returnCode(result);
#endif
NCURSES_EXPORT(bool)
-NCURSES_SP_NAME(can_change_color) (NCURSES_SP_DCL0)
+NCURSES_SP_NAME(can_change_color) (NCURSES_SP_DCL)
{
- T((T_CALLED("can_change_color()")));
- returnCode((can_change != 0) ? TRUE : FALSE);
+ int result = FALSE;
+
+ T((T_CALLED("can_change_color(%p)"), (void *) SP_PARM));
+
+ if (HasTerminal(SP_PARM) && (CanChange != 0)) {
+ result = TRUE;
+ }
+
+ returnCode(result);
}
#if NCURSES_SP_FUNCS
NCURSES_EXPORT(bool)
NCURSES_SP_NAME(has_colors) (NCURSES_SP_DCL0)
{
+ int code = FALSE;
+
+ (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);
+ if (HasTerminal(SP_PARM)) {
+#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
#endif
NCURSES_EXPORT(int)
-NCURSES_SP_NAME(color_content) (NCURSES_SP_DCLx 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_PARM == 0 || !SP_PARM->_coloron) {
+ maxcolors = MaxColors;
+
+ if (color < 0 || !OkColorHi(color) || !SP_PARM->_coloron) {
result = ERR;
} else {
NCURSES_COLOR_T c_r = SP_PARM->_color_table[color].red;
#endif
NCURSES_EXPORT(int)
-NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx short pair, short *f,
- short *b)
+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 (!ValidPair(pair)) {
result = ERR;
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);
NCURSES_EXPORT(void)
NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_DCLx
- short old_pair,
- short pair,
- bool reverse,
+ int old_pair,
+ int pair,
+ int 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 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) {
if (!isDefaultColor(bg)) {
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)
+_nc_do_color(int old_pair, int pair, int reverse, NCURSES_OUTC outc)
{
SetSafeOutcWrapper(outc);
NCURSES_SP_NAME(_nc_do_color) (CURRENT_SCREEN,