X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_color.c;h=2343219e0aec79514e3cea59614c28d090912fe7;hp=9cae495436fecc4f3a3b80546e6a18d05fe4dbec;hb=2b7c2fd2f9d58719770902ce4d0d0aeb87b284f7;hpb=2639531af0c3ca25b48e7bcb9c790fa566cc5892 diff --git a/ncurses/base/lib_color.c b/ncurses/base/lib_color.c index 9cae4954..2343219e 100644 --- a/ncurses/base/lib_color.c +++ b/ncurses/base/lib_color.c @@ -1,5 +1,6 @@ /**************************************************************************** - * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. * + * Copyright 2018-2019,2020 Thomas E. Dickey * + * Copyright 1998-2016,2017 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 +31,7 @@ * Author: Zeyd M. Ben-Halim 1992,1995 * * and: Eric S. Raymond * * and: Thomas E. Dickey 1996-on * + * and: Juergen Pfeifer 2009 * ****************************************************************************/ /* lib_color.c @@ -37,13 +39,37 @@ * Handles color emulation of SYS V curses */ -#include +#define NEW_PAIR_INTERNAL 1 -#include +#include +#include #include -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 1.145 2020/05/27 23:55:32 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 +90,7 @@ 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 +98,7 @@ 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 +133,35 @@ static const color_t hls_palette[] = DATA( 300, 50, 100), /* COLOR_CYAN */ DATA( 0, 50, 100), /* COLOR_WHITE */ }; -/* *INDENT-ON* */ +#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* */ #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 @@ -145,71 +178,147 @@ 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, td_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 + TIPARM_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 + TIPARM_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, td_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 + TIPARM_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 + TIPARM_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; + } + } + } +} + +static bool +init_direct_colors(NCURSES_SP_DCL0) +{ + static NCURSES_CONST char name[] = "RGB"; + + int n; + const char *s; + int width; + rgb_bits_t *result = &(SP_PARM->_direct_color); + + result->value = 0; + + if (COLORS >= 8) { + /* find the number of bits needed for the maximum color value */ + for (width = 0; (1 << width) - 1 < (COLORS - 1); ++width) { + ; + } + + if ((n = tigetflag(name)) > 0) { + n = (width + 2) / 3; + result->bits.red = UChar(n); + result->bits.green = UChar(n); + result->bits.blue = UChar(width - (2 * n)); + } else if ((n = tigetnum(name)) > 0) { + result->bits.red = UChar(n); + result->bits.green = UChar(n); + result->bits.blue = UChar(n); + } else if ((s = tigetstr(name)) != 0 && VALID_STRING(s)) { + int red = n; + int green = n; + int blue = width - (2 * n); + + switch (sscanf(s, "%d/%d/%d", &red, &green, &blue)) { + default: + blue = width - (2 * n); + /* FALLTHRU */ + case 1: + green = n; + /* FALLTHRU */ + case 2: + red = n; + /* FALLTHRU */ + case 3: + /* okay */ + break; } + result->bits.red = UChar(red); + result->bits.green = UChar(green); + result->bits.blue = UChar(blue); } } + return (result->value != 0); } /* * 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, td_rescol); +#else bool result = FALSE; + (void) SP_PARM; if (orig_pair != 0) { - TPUTS_TRACE("orig_pair"); - putp(orig_pair); + (void) NCURSES_PUTP2("orig_pair", orig_pair); result = TRUE; } return result; +#endif } /* @@ -217,65 +326,109 @@ 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, td_rescolors); +#else if (orig_colors != 0) { - TPUTS_TRACE("orig_colors"); - putp(orig_colors); + NCURSES_PUTP2("orig_colors", 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 !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->_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)); +#if !NCURSES_EXT_COLORS + SP_PARM->_pair_limit = limit_PAIRS(SP_PARM->_pair_limit); +#endif +#endif /* NCURSES_EXT_FUNCS */ + 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(); - + ReservePairs(SP_PARM, 16); + if (SP_PARM->_color_pairs != 0) { + if (init_direct_colors(NCURSES_SP_ARG)) { + result = OK; + } else { + SP_PARM->_color_table = TYPE_CALLOC(color_t, maxcolors); + if (SP_PARM->_color_table != 0) { + MakeColorPair(SP_PARM->_color_pairs[0], + default_fg(NCURSES_SP_ARG), + default_bg(NCURSES_SP_ARG)); + init_color_table(NCURSES_SP_ARG); + + result = OK; + } + } + if (result == OK) { T(("started color: COLORS = %d, COLOR_PAIRS = %d", COLORS, COLOR_PAIRS)); - SP->_coloron = 1; - result = OK; - } else if (SP->_color_pairs != 0) { - FreeAndNull(SP->_color_pairs); + SP_PARM->_coloron = 1; + } else if (SP_PARM->_color_pairs != 0) { + FreeAndNull(SP_PARM->_color_pairs); } } } else { @@ -285,12 +438,20 @@ 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 */ static void -rgb2hls(short r, short g, short b, short *h, short *l, short *s) +rgb2hls(int r, int g, int b, int *h, int *l, int *s) /* convert RGB to HLS system */ { - short min, max, t; + int min, max, t; if ((min = g < r ? g : r) > b) min = b; @@ -298,7 +459,7 @@ rgb2hls(short r, short g, short b, short *h, short *l, short *s) max = b; /* calculate lightness */ - *l = (min + max) / 20; + *l = ((min + max) / 20); if (min == max) { /* black, white and all shades of gray */ *h = 0; @@ -308,19 +469,88 @@ 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 = (((max - min) * 100) / (max + min)); else - *s = ((max - min) * 100) / (2000 - max - min); + *s = (((max - min) * 100) / (2000 - max - min)); /* calculate hue */ if (r == max) - t = 120 + ((g - b) * 60) / (max - min); + t = (120 + ((g - b) * 60) / (max - min)); else if (g == max) - t = 240 + ((b - r) * 60) / (max - min); + t = (240 + ((b - r) * 60) / (max - min)); else - t = 360 + ((r - g) * 60) / (max - min); + t = (360 + ((r - g) * 60) / (max - min)); - *h = t % 360; + *h = (t % 360); +} + +/* + * Change all cells which use(d) a given color pair to force a repaint. + */ +NCURSES_EXPORT(void) +_nc_change_pair(SCREEN *sp, int pair) +{ + int y, x; + + if (CurScreen(sp)->_clear) + return; +#if NO_LEAKS + if (_nc_globals.leak_checking) + return; +#endif + + for (y = 0; y <= CurScreen(sp)->_maxy; y++) { + struct ldat *ptr = &(CurScreen(sp)->_line[y]); + bool changed = FALSE; + for (x = 0; x <= CurScreen(sp)->_maxx; x++) { + if (GetPair(ptr->text[x]) == pair) { + /* Set the old cell to zero to ensure it will be + updated on the next doupdate() */ + SetChar(ptr->text[x], 0, 0); + CHANGED_CELL(ptr, x); + changed = TRUE; + } + } + if (changed) + NCURSES_SP_NAME(_nc_make_oldhash) (NCURSES_SP_ARGx y); + } +} + +NCURSES_EXPORT(void) +_nc_reserve_pairs(SCREEN *sp, int want) +{ + int have = sp->_pair_alloc; + + if (have == 0) + have = 1; + while (have <= want) + have *= 2; + if (have > sp->_pair_limit) + have = sp->_pair_limit; + + if (sp->_color_pairs == 0) { + sp->_color_pairs = TYPE_CALLOC(colorpair_t, have); + } else if (have > sp->_pair_alloc) { +#if NCURSES_EXT_COLORS + colorpair_t *next; + + if ((next = typeCalloc(colorpair_t, have)) == 0) + _nc_err_abort(MSG_NO_MEMORY); + memcpy(next, sp->_color_pairs, (size_t) sp->_pair_alloc * sizeof(*next)); + _nc_copy_pairs(sp, next, sp->_color_pairs, sp->_pair_alloc); + free(sp->_color_pairs); + sp->_color_pairs = next; +#else + TYPE_REALLOC(colorpair_t, have, sp->_color_pairs); + if (sp->_color_pairs != 0) { + memset(sp->_color_pairs + sp->_pair_alloc, 0, + sizeof(colorpair_t) * (size_t) (have - sp->_pair_alloc)); + } +#endif + } + if (sp->_color_pairs != 0) { + sp->_pair_alloc = have; + } } /* @@ -328,31 +558,85 @@ 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) +_nc_init_pair(SCREEN *sp, int pair, int f, int b) { - colorpair_t result; + static colorpair_t null_pair; + colorpair_t result = null_pair; + 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, pair, f, b)); - if ((pair < 0) || (pair >= COLOR_PAIRS) || SP == 0 || !SP->_coloron) + if (!ValidPair(sp, pair)) returnCode(ERR); + + maxcolors = MaxColors; + + ReservePairs(sp, pair); + previous = sp->_color_pairs[pair]; #if NCURSES_EXT_FUNCS - if (SP->_default_color) { - if (f < 0) + if (sp->_default_color || sp->_assumed_color) { + bool isDefault = FALSE; + bool wasDefault = FALSE; + int default_pairs = sp->_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 (isDefaultColor(FORE_OF(previous)) + || isDefaultColor(BACK_OF(previous))) + 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->_pair_count + default_pairs)) { returnCode(ERR); + } + sp->_default_pairs = default_pairs; } else #endif { if ((f < 0) || !OkColorHi(f) || (b < 0) || !OkColorHi(b) - || (pair < 1)) + || (pair < 1)) { returnCode(ERR); + } } /* @@ -360,120 +644,237 @@ init_pair(short pair, short f, short b) * initialized before a screen update is performed replacing original * pair colors with the new ones). */ - result = PAIR_OF(f, b); - if (SP->_color_pairs[pair] != 0 - && SP->_color_pairs[pair] != result) { - int y, x; - - for (y = 0; y <= curscr->_maxy; y++) { - struct ldat *ptr = &(curscr->_line[y]); - bool changed = FALSE; - for (x = 0; x <= curscr->_maxx; x++) { - if (GetPair(ptr->text[x]) == pair) { - /* Set the old cell to zero to ensure it will be - updated on the next doupdate() */ - SetChar(ptr->text[x], 0, 0); - CHANGED_CELL(ptr, x); - changed = TRUE; - } - } - if (changed) - _nc_make_oldhash(y); - } + MakeColorPair(result, f, b); + if ((FORE_OF(previous) != 0 + || BACK_OF(previous) != 0) + && !isSamePair(previous, result)) { + _nc_change_pair(sp, pair); } - SP->_color_pairs[pair] = result; - if (GET_SCREEN_PAIR(SP) == pair) - SET_SCREEN_PAIR(SP, (chtype) (~0)); /* force attribute update */ + _nc_reset_color_pair(sp, pair, &result); + sp->_color_pairs[pair] = result; + _nc_set_color_pair(sp, pair, cpINIT); + + if (GET_SCREEN_PAIR(sp) == pair) + SET_SCREEN_PAIR(sp, (int) (~0)); /* force attribute update */ + +#ifdef USE_TERM_DRIVER + CallDriver_3(sp, td_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)", - pair, - tp[f].red, tp[f].green, tp[f].blue, - tp[b].red, tp[b].green, tp[b].blue)); - - TPUTS_TRACE("initialize_pair"); - putp(TPARM_7(initialize_pair, - pair, - tp[f].red, tp[f].green, tp[f].blue, - tp[b].red, tp[b].green, tp[b].blue)); + (int) pair, + (int) tp[f].red, (int) tp[f].green, (int) tp[f].blue, + (int) tp[b].red, (int) tp[b].green, (int) tp[b].blue)); + + NCURSES_PUTP2("initialize_pair", + TIPARM_7(initialize_pair, + pair, + (int) tp[f].red, + (int) tp[f].green, + (int) tp[f].blue, + (int) tp[b].red, + (int) tp[b].green, + (int) tp[b].blue)); } +#endif returnCode(OK); } +NCURSES_EXPORT(int) +NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx + NCURSES_PAIRS_T pair, + NCURSES_COLOR_T f, + NCURSES_COLOR_T b) +{ + return _nc_init_pair(SP_PARM, pair, f, b); +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +init_pair(NCURSES_COLOR_T pair, NCURSES_COLOR_T f, NCURSES_COLOR_T 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) +_nc_init_color(SCREEN *sp, int color, int r, int g, int b) { int result = ERR; + int maxcolors; + + T((T_CALLED("init_color(%p,%d,%d,%d,%d)"), + (void *) sp, + color, + r, g, b)); + + if (sp == 0 || sp->_direct_color.value) + returnCode(result); - T((T_CALLED("init_color(%d,%d,%d,%d)"), color, r, g, b)); + maxcolors = MaxColors; - if (initialize_color != NULL - && SP != 0 - && SP->_coloron + if (InitColor + && sp->_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->_color_table[color].init = 1; + sp->_color_table[color].r = r; + sp->_color_table[color].g = g; + sp->_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->_color_table[color].red, + &sp->_color_table[color].green, + &sp->_color_table[color].blue); } else { - SP->_color_table[color].red = r; - SP->_color_table[color].green = g; - SP->_color_table[color].blue = b; + sp->_color_table[color].red = r; + sp->_color_table[color].green = g; + sp->_color_table[color].blue = b; } - TPUTS_TRACE("initialize_color"); - putp(TPARM_4(initialize_color, color, r, g, b)); - SP->_color_defs = max(color + 1, SP->_color_defs); +#ifdef USE_TERM_DRIVER + CallDriver_4(sp, td_initcolor, color, r, g, b); +#else + NCURSES_PUTP2("initialize_color", + TIPARM_4(initialize_color, color, r, g, b)); +#endif + sp->_color_defs = max(color + 1, sp->_color_defs); + result = OK; } returnCode(result); } +NCURSES_EXPORT(int) +NCURSES_SP_NAME(init_color) (NCURSES_SP_DCLx + NCURSES_COLOR_T color, + NCURSES_COLOR_T r, + NCURSES_COLOR_T g, + NCURSES_COLOR_T b) +{ + return _nc_init_color(SP_PARM, color, r, g, b); +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +init_color(NCURSES_COLOR_T color, + NCURSES_COLOR_T r, + NCURSES_COLOR_T g, + NCURSES_COLOR_T 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) +{ + 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) 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) +NCURSES_SP_NAME(has_colors) (NCURSES_SP_DCL0) +{ + int code = FALSE; + + (void) SP_PARM; + T((T_CALLED("has_colors(%p)"), (void *) SP_PARM)); + 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 NCURSES_EXPORT(bool) has_colors(void) { - 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); + return NCURSES_SP_NAME(has_colors) (CURRENT_SCREEN); } +#endif -NCURSES_EXPORT(int) -color_content(short color, short *r, short *g, short *b) +static int +_nc_color_content(SCREEN *sp, int color, int *r, int *g, int *b) { - int result; + int result = ERR; + int maxcolors; + + T((T_CALLED("color_content(%p,%d,%p,%p,%p)"), + (void *) sp, + color, + (void *) r, + (void *) g, + (void *) b)); + + if (sp == 0) + returnCode(result); + + maxcolors = MaxColors; - T((T_CALLED("color_content(%d,%p,%p,%p)"), color, r, g, b)); - if (color < 0 || !OkColorHi(color) || SP == 0 || !SP->_coloron) { + if (color < 0 || !OkColorHi(color) || !sp->_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; + int c_r, c_g, c_b; + + if (sp->_direct_color.value) { + rgb_bits_t *work = &(sp->_direct_color); + +#define max_direct_color(name) ((1 << work->bits.name) - 1) +#define value_direct_color(max) (1000 * ((color >> bitoff) & max)) / max + + int max_r = max_direct_color(red); + int max_g = max_direct_color(green); + int max_b = max_direct_color(blue); + + int bitoff = 0; + + c_b = value_direct_color(max_b); + bitoff += work->bits.blue; + + c_g = value_direct_color(max_g); + bitoff += work->bits.green; + + c_r = value_direct_color(max_r); + + } else { + c_r = sp->_color_table[color].red; + c_g = sp->_color_table[color].green; + c_b = sp->_color_table[color].blue; + } if (r) *r = c_r; @@ -490,22 +891,57 @@ color_content(short color, short *r, short *g, short *b) } NCURSES_EXPORT(int) -pair_content(short pair, short *f, short *b) +NCURSES_SP_NAME(color_content) (NCURSES_SP_DCLx + NCURSES_COLOR_T color, + NCURSES_COLOR_T *r, + NCURSES_COLOR_T *g, + NCURSES_COLOR_T *b) +{ + int my_r, my_g, my_b; + int rc = _nc_color_content(SP_PARM, color, &my_r, &my_g, &my_b); + if (rc == OK) { + *r = limit_COLOR(my_r); + *g = limit_COLOR(my_g); + *b = limit_COLOR(my_b); + } + return rc; +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +color_content(NCURSES_COLOR_T color, + NCURSES_COLOR_T *r, + NCURSES_COLOR_T *g, + NCURSES_COLOR_T *b) +{ + return NCURSES_SP_NAME(color_content) (CURRENT_SCREEN, color, r, g, b); +} +#endif + +NCURSES_EXPORT(int) +_nc_pair_content(SCREEN *sp, int pair, int *f, int *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, + (int) pair, + (void *) f, + (void *) b)); - if ((pair < 0) || (pair >= COLOR_PAIRS) || SP == 0 || !SP->_coloron) { + if (!ValidPair(sp, 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); + int fg; + int bg; + ReservePairs(sp, pair); + fg = FORE_OF(sp->_color_pairs[pair]); + bg = BACK_OF(sp->_color_pairs[pair]); #if NCURSES_EXT_FUNCS - if (fg == COLOR_DEFAULT) + if (isDefaultColor(fg)) fg = -1; - if (bg == COLOR_DEFAULT) + if (isDefaultColor(bg)) bg = -1; #endif @@ -514,34 +950,71 @@ 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, + (int) pair, + (int) fg, (int) bg)); result = OK; } returnCode(result); } +NCURSES_EXPORT(int) +NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx + NCURSES_PAIRS_T pair, + NCURSES_COLOR_T *f, + NCURSES_COLOR_T *b) +{ + int my_f, my_b; + int rc = _nc_pair_content(SP_PARM, pair, &my_f, &my_b); + if (rc == OK) { + *f = limit_COLOR(my_f); + *b = limit_COLOR(my_b); + } + return rc; +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +pair_content(NCURSES_COLOR_T pair, NCURSES_COLOR_T *f, NCURSES_COLOR_T *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 + int old_pair, + int pair, + int reverse, + NCURSES_SP_OUTC outc) { - NCURSES_COLOR_T fg = COLOR_DEFAULT; - NCURSES_COLOR_T bg = COLOR_DEFAULT; - NCURSES_COLOR_T old_fg, old_bg; +#ifdef USE_TERM_DRIVER + CallDriver_4(SP_PARM, td_docolor, old_pair, pair, reverse, outc); +#else + int fg = COLOR_DEFAULT; + int bg = COLOR_DEFAULT; + int old_fg = -1; + int old_bg = -1; - if (pair < 0 || pair >= COLOR_PAIRS) { + if (!ValidPair(SP_PARM, 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 + TIPARM_1(set_color_pair, pair), + 1, outc); return; - } else if (SP != 0) { - pair_content((short) pair, &fg, &bg); + } else if (SP_PARM != 0) { + if (_nc_pair_content(SP_PARM, pair, &fg, &bg) == ERR) + return; } } if (old_pair >= 0 - && SP != 0 - && pair_content(old_pair, &old_fg, &old_bg) != ERR) { + && SP_PARM != 0 + && _nc_pair_content(SP_PARM, old_pair, &old_fg, &old_bg) != ERR) { if ((isDefaultColor(fg) && !isDefaultColor(old_fg)) || (isDefaultColor(bg) && !isDefaultColor(old_bg))) { #if NCURSES_EXT_FUNCS @@ -550,33 +1023,33 @@ _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(); - if (old_pair < 0) + reset_color_pair(NCURSES_SP_ARG); + if (old_pair < 0 && pair <= 0) return; } #if NCURSES_EXT_FUNCS if (isDefaultColor(fg)) - fg = default_fg(); + fg = default_fg(NCURSES_SP_ARG); if (isDefaultColor(bg)) - bg = default_bg(); + bg = default_bg(NCURSES_SP_ARG); #endif if (reverse) { - NCURSES_COLOR_T xx = fg; + int xx = fg; fg = bg; bg = xx; } @@ -585,9 +1058,107 @@ _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(int old_pair, int pair, int reverse, NCURSES_OUTC outc) +{ + SetSafeOutcWrapper(outc); + NCURSES_SP_NAME(_nc_do_color) (CURRENT_SCREEN, + old_pair, + pair, + reverse, + _nc_outc_wrapper); +} +#endif + +#if NCURSES_EXT_COLORS +NCURSES_EXPORT(int) +NCURSES_SP_NAME(init_extended_pair) (NCURSES_SP_DCLx int pair, int f, int b) +{ + return _nc_init_pair(SP_PARM, pair, f, b); +} + +NCURSES_EXPORT(int) +NCURSES_SP_NAME(init_extended_color) (NCURSES_SP_DCLx + int color, + int r, int g, int b) +{ + return _nc_init_color(SP_PARM, color, r, g, b); +} + +NCURSES_EXPORT(int) +NCURSES_SP_NAME(extended_color_content) (NCURSES_SP_DCLx + int color, + int *r, int *g, int *b) +{ + return _nc_color_content(SP_PARM, color, r, g, b); +} + +NCURSES_EXPORT(int) +NCURSES_SP_NAME(extended_pair_content) (NCURSES_SP_DCLx + int pair, + int *f, int *b) +{ + return _nc_pair_content(SP_PARM, pair, f, b); +} + +NCURSES_EXPORT(void) +NCURSES_SP_NAME(reset_color_pairs) (NCURSES_SP_DCL0) +{ + if (SP_PARM != 0) { + if (SP_PARM->_color_pairs) { + _nc_free_ordered_pairs(SP_PARM); + free(SP_PARM->_color_pairs); + SP_PARM->_color_pairs = 0; + SP_PARM->_pair_alloc = 0; + ReservePairs(SP_PARM, 16); + clearok(CurScreen(SP_PARM), TRUE); + touchwin(StdScreen(SP_PARM)); + } } } + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +init_extended_pair(int pair, int f, int b) +{ + return NCURSES_SP_NAME(init_extended_pair) (CURRENT_SCREEN, pair, f, b); +} + +NCURSES_EXPORT(int) +init_extended_color(int color, int r, int g, int b) +{ + return NCURSES_SP_NAME(init_extended_color) (CURRENT_SCREEN, + color, + r, g, b); +} + +NCURSES_EXPORT(int) +extended_color_content(int color, int *r, int *g, int *b) +{ + return NCURSES_SP_NAME(extended_color_content) (CURRENT_SCREEN, + color, + r, g, b); +} + +NCURSES_EXPORT(int) +extended_pair_content(int pair, int *f, int *b) +{ + return NCURSES_SP_NAME(extended_pair_content) (CURRENT_SCREEN, pair, f, b); +} + +NCURSES_EXPORT(void) +reset_color_pairs(void) +{ + NCURSES_SP_NAME(reset_color_pairs) (CURRENT_SCREEN); +} +#endif /* NCURSES_SP_FUNCS */ +#endif /* NCURSES_EXT_COLORS */