/****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc. *
+ * Copyright (c) 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 *
* Handles color emulation of SYS V curses
*/
+#define NEW_PAIR_INTERNAL 1
+
#include <curses.priv.h>
+#include <new_pair.h>
#include <tic.h>
#ifndef CUR
#define CUR SP_TERMTYPE
#endif
-MODULE_ID("$Id: lib_color.c,v 1.108 2013/03/09 22:33:38 tom Exp $")
+MODULE_ID("$Id: lib_color.c,v 1.116 2017/03/25 21:10:54 tom Exp $")
#ifdef USE_TERM_DRIVER
#define CanChange InfoOf(SP_PARM).canchange
/* *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
set_background_color(NCURSES_SP_DCLx int bg, NCURSES_SP_OUTC outc)
{
#ifdef USE_TERM_DRIVER
- CallDriver_3(SP_PARM, color, FALSE, bg, outc);
+ CallDriver_3(SP_PARM, td_color, FALSE, bg, outc);
#else
if (set_a_background) {
TPUTS_TRACE("set_a_background");
set_foreground_color(NCURSES_SP_DCLx int fg, NCURSES_SP_OUTC outc)
{
#ifdef USE_TERM_DRIVER
- CallDriver_3(SP_PARM, color, TRUE, fg, outc);
+ CallDriver_3(SP_PARM, td_color, TRUE, fg, outc);
#else
if (set_a_foreground) {
TPUTS_TRACE("set_a_foreground");
reset_color_pair(NCURSES_SP_DCL0)
{
#ifdef USE_TERM_DRIVER
- return CallDriver(SP_PARM, rescol);
+ return CallDriver(SP_PARM, td_rescol);
#else
bool result = FALSE;
result = TRUE;
#ifdef USE_TERM_DRIVER
- result = CallDriver(SP_PARM, rescolors);
+ result = CallDriver(SP_PARM, td_rescolors);
#else
if (orig_colors != 0) {
NCURSES_PUTP2("orig_colors", orig_colors);
* allow for default-color as a component of a color-pair.
*/
SP_PARM->_pair_limit += (1 + (2 * maxcolors));
+ SP_PARM->_pair_limit = limit_PAIRS(SP_PARM->_pair_limit);
#endif
SP_PARM->_pair_count = maxpairs;
SP_PARM->_color_count = maxcolors;
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));
+ MakeColorPair(SP_PARM->_color_pairs[0],
+ 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(int r, int g, int 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 */
{
int min, max, t;
max = b;
/* calculate lightness */
- *l = (short) ((min + max) / 20);
+ *l = ((min + max) / 20);
if (min == max) { /* black, white and all shades of gray */
*h = 0;
/* calculate saturation */
if (*l < 50)
- *s = (short) (((max - min) * 100) / (max + min));
+ *s = (((max - min) * 100) / (max + min));
else
- *s = (short) (((max - min) * 100) / (2000 - max - min));
+ *s = (((max - min) * 100) / (2000 - max - min));
/* calculate hue */
if (r == max)
- t = (short) (120 + ((g - b) * 60) / (max - min));
+ t = (120 + ((g - b) * 60) / (max - min));
else if (g == max)
- t = (short) (240 + ((b - r) * 60) / (max - min));
+ t = (240 + ((b - r) * 60) / (max - min));
else
- t = (short) (360 + ((r - g) * 60) / (max - min));
+ t = (360 + ((r - g) * 60) / (max - min));
+
+ *h = (t % 360);
+}
- *h = (short) (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;
+
+ 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);
+ }
}
/*
* values.
*/
NCURSES_EXPORT(int)
-NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx 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(%p,%d,%d,%d)"), (void *) SP_PARM, pair, f, b));
+ T((T_CALLED("init_pair(%p,%d,%d,%d)"), (void *) sp, pair, f, b));
- if (!ValidPair(pair))
+ if (!ValidPair(sp, pair))
returnCode(ERR);
maxcolors = MaxColors;
- previous = SP_PARM->_color_pairs[pair];
+ previous = sp->_color_pairs[pair];
#if NCURSES_EXT_FUNCS
- if (SP_PARM->_default_color || SP_PARM->_assumed_color) {
+ if (sp->_default_color || sp->_assumed_color) {
bool isDefault = FALSE;
bool wasDefault = FALSE;
- int default_pairs = SP_PARM->_default_pairs;
+ int default_pairs = sp->_default_pairs;
/*
* Map caller's color number, e.g., -1, 0, 1, .., 7, etc., into
* 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))
+ if (isDefaultColor(FORE_OF(previous))
+ || isDefaultColor(BACK_OF(previous)))
wasDefault = TRUE;
/*
* that does not will decrement the count - and possibly interfere
* with sequentially adding new pairs.
*/
- if (pair > (SP_PARM->_pair_count + default_pairs)) {
+ if (pair > (sp->_pair_count + default_pairs)) {
returnCode(ERR);
}
- SP_PARM->_default_pairs = default_pairs;
+ sp->_default_pairs = default_pairs;
} else
#endif
{
* initialized before a screen update is performed replacing original
* pair colors with the new ones).
*/
- result = PAIR_OF(f, b);
- if (previous != 0
- && previous != result) {
- int y, x;
-
- for (y = 0; y <= CurScreen(SP_PARM)->_maxy; y++) {
- struct ldat *ptr = &(CurScreen(SP_PARM)->_line[y]);
- bool changed = FALSE;
- 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() */
- SetChar(ptr->text[x], 0, 0);
- CHANGED_CELL(ptr, x);
- changed = TRUE;
- }
- }
- if (changed)
- NCURSES_SP_NAME(_nc_make_oldhash) (NCURSES_SP_ARGx y);
- }
+ MakeColorPair(result, f, b);
+ if (FORE_OF(previous) != 0
+ && BACK_OF(previous) != 0
+ && !isSamePair(previous, result)) {
+ _nc_change_pair(sp, pair);
}
- SP_PARM->_color_pairs[pair] = result;
- if (GET_SCREEN_PAIR(SP_PARM) == pair)
- SET_SCREEN_PAIR(SP_PARM, (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_PARM, initpair, pair, f, b);
+ CallDriver_3(sp, td_initpair, pair, f, b);
#else
if (initialize_pair && InPalette(f) && InPalette(b)) {
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));
+ (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",
TPARM_7(initialize_pair,
pair,
- tp[f].red, tp[f].green, tp[f].blue,
- tp[b].red, tp[b].green, tp[b].blue));
+ (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(short pair, short f, short b)
+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);
}
#define okRGB(n) ((n) >= 0 && (n) <= 1000)
NCURSES_EXPORT(int)
-NCURSES_SP_NAME(init_color) (NCURSES_SP_DCLx
- 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_PARM,
+ (void *) sp,
color,
r, g, b));
- if (SP_PARM == 0)
+ if (sp == 0)
returnCode(result);
maxcolors = MaxColors;
if (InitColor
- && SP_PARM->_coloron
+ && sp->_coloron
&& (color >= 0 && OkColorHi(color))
&& (okRGB(r) && okRGB(g) && okRGB(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;
+ 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 (UseHlsPalette) {
rgb2hls(r, g, b,
- &SP_PARM->_color_table[color].red,
- &SP_PARM->_color_table[color].green,
- &SP_PARM->_color_table[color].blue);
+ &sp->_color_table[color].red,
+ &sp->_color_table[color].green,
+ &sp->_color_table[color].blue);
} else {
- SP_PARM->_color_table[color].red = r;
- SP_PARM->_color_table[color].green = g;
- SP_PARM->_color_table[color].blue = b;
+ sp->_color_table[color].red = r;
+ sp->_color_table[color].green = g;
+ sp->_color_table[color].blue = b;
}
#ifdef USE_TERM_DRIVER
- CallDriver_4(SP_PARM, initcolor, color, r, g, b);
+ CallDriver_4(sp, td_initcolor, color, r, g, b);
#else
NCURSES_PUTP2("initialize_color",
TPARM_4(initialize_color, color, r, g, b));
#endif
- SP_PARM->_color_defs = max(color + 1, SP_PARM->_color_defs);
+ 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(short color, short r, short g, short b)
+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(int)
-NCURSES_SP_NAME(color_content) (NCURSES_SP_DCLx
- 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 = ERR;
int maxcolors;
T((T_CALLED("color_content(%p,%d,%p,%p,%p)"),
- (void *) SP_PARM,
+ (void *) sp,
color,
(void *) r,
(void *) g,
(void *) b));
- if (SP_PARM == 0)
+ if (sp == 0)
returnCode(result);
maxcolors = MaxColors;
- if (color < 0 || !OkColorHi(color) || !SP_PARM->_coloron) {
+ if (color < 0 || !OkColorHi(color) || !sp->_coloron) {
result = ERR;
} else {
- 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;
+ int c_r = sp->_color_table[color].red;
+ int c_g = sp->_color_table[color].green;
+ int c_b = sp->_color_table[color].blue;
if (r)
*r = c_r;
returnCode(result);
}
+NCURSES_EXPORT(int)
+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(short color, short *r, short *g, short *b)
+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)
-NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx
- short pair, short *f, short *b)
+_nc_pair_content(SCREEN *sp, int pair, int *f, int *b)
{
int result;
T((T_CALLED("pair_content(%p,%d,%p,%p)"),
- (void *) SP_PARM,
- pair,
+ (void *) sp,
+ (int) pair,
(void *) f,
(void *) b));
- if (!ValidPair(pair)) {
+ if (!ValidPair(sp, pair)) {
result = ERR;
} else {
- NCURSES_COLOR_T fg = (NCURSES_COLOR_T) FORE_OF(SP_PARM->_color_pairs[pair]);
- NCURSES_COLOR_T bg = (NCURSES_COLOR_T) BACK_OF(SP_PARM->_color_pairs[pair]);
+ int fg = FORE_OF(sp->_color_pairs[pair]);
+ int 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
*b = bg;
TR(TRACE_ATTRS, ("...pair_content(%p,%d,%d,%d)",
- (void *) SP_PARM,
- pair,
- fg, bg));
+ (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(short pair, short *f, short *b)
+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);
}
NCURSES_SP_OUTC outc)
{
#ifdef USE_TERM_DRIVER
- CallDriver_4(SP_PARM, docolor, old_pair, pair, reverse, outc);
+ CallDriver_4(SP_PARM, td_docolor, old_pair, pair, reverse, outc);
#else
- NCURSES_COLOR_T fg = COLOR_DEFAULT;
- NCURSES_COLOR_T bg = COLOR_DEFAULT;
- NCURSES_COLOR_T old_fg = -1;
- NCURSES_COLOR_T old_bg = -1;
+ int fg = COLOR_DEFAULT;
+ int bg = COLOR_DEFAULT;
+ int old_fg = -1;
+ int old_bg = -1;
- if (!ValidPair(pair)) {
+ if (!ValidPair(SP_PARM, pair)) {
return;
} else if (pair != 0) {
if (set_color_pair) {
1, outc);
return;
} else if (SP_PARM != 0) {
- if (pair_content((short) pair, &fg, &bg) == ERR)
+ if (_nc_pair_content(SP_PARM, pair, &fg, &bg) == ERR)
return;
}
}
if (old_pair >= 0
&& SP_PARM != 0
- && pair_content((short) old_pair, &old_fg, &old_bg) != ERR) {
+ && _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
}
} else {
reset_color_pair(NCURSES_SP_ARG);
- if (old_pair < 0)
+ if (old_pair < 0 && pair <= 0)
return;
}
#if NCURSES_EXT_FUNCS
if (isDefaultColor(fg))
- fg = (short) default_fg(NCURSES_SP_ARG);
+ fg = default_fg(NCURSES_SP_ARG);
if (isDefaultColor(bg))
- bg = (short) default_bg(NCURSES_SP_ARG);
+ bg = default_bg(NCURSES_SP_ARG);
#endif
if (reverse) {
- NCURSES_COLOR_T xx = fg;
+ int xx = fg;
fg = bg;
bg = xx;
}
_nc_outc_wrapper);
}
#endif
+
+#if USE_EXTENDED_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);
+}
+
+#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);
+}
+#endif
+#endif