0e3d540892
This contains the full eti (panel, form, menu) extensions. bmake glue to follow. Obtained from: ftp://ftp.clark.net/pub/dickey/ncurses
768 lines
18 KiB
C
768 lines
18 KiB
C
/*
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** Copyright (C) 1991, 1997 Free Software Foundation, Inc.
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**
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** This file is part of TACK.
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**
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** TACK is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2, or (at your option)
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** any later version.
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**
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** TACK is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with TACK; see the file COPYING. If not, write to
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** the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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** Boston, MA 02111-1307, USA.
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*/
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#include <tack.h>
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MODULE_ID("$Id: color.c,v 1.1 1999/04/18 01:24:45 tom Exp $")
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/*
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* Color terminal tests. Has only one entry point: test_color().
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*/
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static void color_check(struct test_list *, int *, int *);
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static void color_setf(struct test_list *, int *, int *);
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static void color_matrix(struct test_list *, int *, int *);
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static void color_ncv(struct test_list *, int *, int *);
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static void color_ccc(struct test_list *, int *, int *);
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static void color_bce(struct test_list *, int *, int *);
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struct test_list color_test_list[] = {
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{0, 0, 0, 0, "e) edit terminfo", 0, &edit_menu},
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{MENU_NEXT, 2, "colors) (pairs", 0, 0, color_check, 0},
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{MENU_NEXT, 12, "setf) (setb) (scp", 0, 0, color_setf, 0},
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{MENU_NEXT, 24, "op", 0, 0, color_matrix, 0},
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{MENU_NEXT, 16, "ncv", 0, 0, color_ncv, 0},
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{MENU_NEXT, 0, "bce", 0, 0, color_bce, 0},
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{MENU_NEXT | MENU_CLEAR, 0, "ccc) (initc) (initp", "hls op oc", 0, color_ccc, 0},
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{MENU_LAST, 0, 0, 0, 0, 0, 0}
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};
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#ifndef COLOR_BLACK
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#define COLOR_BLACK 0
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#define COLOR_BLUE 1
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#define COLOR_GREEN 2
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#define COLOR_CYAN 3
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#define COLOR_RED 4
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#define COLOR_MAGENTA 5
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#define COLOR_YELLOW 6
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#define COLOR_WHITE 7
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#endif
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struct color_table {
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const char *name;
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int index;
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int r, g, b;
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int h, l, s;
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};
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static struct color_table def_colors[8] = {
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{"black ", COLOR_BLACK, 0, 0, 0, 0, 0, 0},
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{"blue ", COLOR_BLUE, 0, 0, 1000, 330, 50, 100},
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{"green ", COLOR_GREEN, 0, 1000, 0, 240, 50, 100},
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{"cyan ", COLOR_CYAN, 0, 1000, 1000, 300, 50, 100},
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{"red ", COLOR_RED, 1000, 0, 0, 120, 50, 100},
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{"magenta", COLOR_MAGENTA, 1000, 0, 1000, 60, 50, 100},
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{"yellow ", COLOR_YELLOW, 1000, 1000, 0, 180, 50, 100},
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{"white ", COLOR_WHITE, 1000, 1000, 1000, 0, 100, 0}
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};
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#define MAX_PAIR 256
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static int fg_color[MAX_PAIR] = {COLOR_BLACK, COLOR_BLUE, COLOR_GREEN,
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COLOR_CYAN, COLOR_RED, COLOR_MAGENTA, COLOR_YELLOW, COLOR_WHITE};
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static int bg_color[MAX_PAIR] = {COLOR_BLACK, COLOR_BLACK, COLOR_BLACK,
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COLOR_BLACK, COLOR_BLACK, COLOR_BLACK, COLOR_BLACK, COLOR_BLACK};
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static int pairs_used = 8;
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static int a_bright_color, bright_value;
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static int cookie_monster, color_step, colors_per_line;
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static int R, G, B;
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static int
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color_trans(int c)
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{ /* translate or load the color */
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int i;
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for (i = 0; i < pairs_used; i++) {
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if (fg_color[i] == c) {
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return i;
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}
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}
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if (!can_change) {
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return 0;
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}
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if (pairs_used > max_colors || pairs_used >= MAX_PAIR) {
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pairs_used = 0;
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ptextln("Ran out of colors");
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}
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fg_color[pairs_used] = c;
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bg_color[pairs_used] = c;
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if (hue_lightness_saturation) {
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tc_putp(tparm(initialize_color, pairs_used,
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def_colors[c].h, def_colors[c].l, def_colors[c].s));
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} else {
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tc_putp(tparm(initialize_color, pairs_used,
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def_colors[c].r, def_colors[c].g, def_colors[c].b));
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}
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return pairs_used++;
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}
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static void
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new_color(
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int fg,
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int bg,
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int hungry)
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{ /* change the color to fg and bg. */
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int i;
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if (hungry) {
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eat_cookie();
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}
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if (set_a_foreground) {
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/* set ANSI color (setaf) (setab) */
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tc_putp(tparm(set_a_foreground, fg));
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tc_putp(tparm(set_a_background, bg));
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} else if (set_foreground) {
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/* make sure black is zero */
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(void) color_trans(COLOR_BLACK);
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tc_putp(tparm(set_foreground, color_trans(fg)));
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tc_putp(tparm(set_background, color_trans(bg)));
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} else { /* set color pair */
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for (i = 0; i < pairs_used; i++) {
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if (fg_color[i] == fg && bg_color[i] == bg) {
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tc_putp(tparm(set_color_pair, i));
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if (hungry) {
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eat_cookie();
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}
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return;
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}
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}
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if (!can_change) {
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/* try to set just the foreground */
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for (i = pairs_used - 1; i; i--) {
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if (fg_color[i] == fg)
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break;
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}
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tc_putp(tparm(set_color_pair, i));
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if (hungry) {
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eat_cookie();
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}
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return;
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}
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if (pairs_used > max_pairs || pairs_used >= MAX_PAIR) {
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pairs_used = 0;
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ptextln("Ran out of color pairs");
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}
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fg_color[pairs_used] = fg;
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bg_color[pairs_used] = bg;
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if (hue_lightness_saturation) {
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tc_putp(tparm(initialize_pair, pairs_used,
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def_colors[fg].h, def_colors[fg].l, def_colors[fg].s,
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def_colors[bg].h, def_colors[bg].l, def_colors[bg].s));
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} else {
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tc_putp(tparm(initialize_pair, pairs_used,
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def_colors[fg].r, def_colors[fg].g, def_colors[fg].b,
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def_colors[bg].r, def_colors[bg].g, def_colors[bg].b));
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}
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tc_putp(tparm(set_color_pair, pairs_used));
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pairs_used++;
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}
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if (hungry) {
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eat_cookie();
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}
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}
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static void
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set_color_step(void)
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{ /* set the color_step for the (ccc) display */
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int i;
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for (i = 2; i < 1000; i++) {
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if ((i * i * i) >= max_colors) {
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break;
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}
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}
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color_step = 1000 / (i - 1);
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}
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static void
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rgb_2_hls(int r, int g, int b, int *h, int *l, int *s)
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{ /* convert RGB to HLS system */
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int min, max, t;
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if ((min = g < r ? g : r) > b) {
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min = b;
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}
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if ((max = g > r ? g : r) < b) {
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max = b;
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}
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/* calculate lightness */
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*l = (min + max) / 20;
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if (min == max) { /* black, white and all shades of gray */
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*h = 0;
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*s = 0;
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return;
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}
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/* calculate saturation */
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if (*l < 50) {
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*s = ((max - min) * 100) / (max + min);
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} else {
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*s = ((max - min) * 100) / (2000 - max - min);
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}
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/* calculate hue */
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if (r == max) {
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t = 120 + ((g - b) * 60) / (max - min);
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} else if (g == max) {
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t = 240 + ((b - r) * 60) / (max - min);
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} else {
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t = 360 + ((r - g) * 60) / (max - min);
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}
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*h = t % 360;
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}
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static void
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send_color(int p, int r, int g, int b)
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{ /* send the initialize_color (initc) command */
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int h, l, s;
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if (hue_lightness_saturation) {
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rgb_2_hls(r, g, b, &h, &l, &s);
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tc_putp(tparm(initialize_color, p, h, l, s));
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} else {
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tc_putp(tparm(initialize_color, p, r, g, b));
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}
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}
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static void
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send_pair(int p, int fr, int fg, int fb, int br, int bg, int bb)
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{ /* send the initialize_pair (initp) command */
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int fh, fl, fs, bh, bl, bs;
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if (hue_lightness_saturation) {
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rgb_2_hls(fr, fg, fb, &fh, &fl, &fs);
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rgb_2_hls(br, bg, bb, &bh, &bl, &bs);
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tc_putp(tparm(initialize_pair, p, fh, fl, fs, bh, bl, bs));
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} else {
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tc_putp(tparm(initialize_pair, p, fr, fg, fb, bb, bg, bb));
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}
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}
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static int
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load_palette(int n)
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{ /* load the color palette */
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int rgb;
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for (;;) {
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if (pairs_used >= n) {
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return FALSE;
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}
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if (set_a_foreground || set_foreground) {
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if (pairs_used >= max_colors) {
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return FALSE;
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}
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send_color(pairs_used, R, G, B);
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rgb = R + G + B;
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if (rgb > bright_value) {
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bright_value = rgb;
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a_bright_color = pairs_used;
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}
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} else {
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if (pairs_used >= max_pairs) {
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return FALSE;
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}
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if (pairs_used == 0) {
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send_pair(pairs_used, 1000, 1000, 1000, R, G, B);
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} else {
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send_pair(pairs_used, R, G, B, R, G, B);
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}
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}
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pairs_used++;
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if ((B += color_step) > 1000) {
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B = 0;
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if ((G += color_step) > 1000) {
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G = 0;
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if ((R += color_step) > 1000) {
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return TRUE;
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}
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}
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}
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}
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}
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static int
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rainbow(int n)
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{ /* print the programable color display */
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int i, c, d, palette_full, initial_pair;
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static const struct {
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const char *name;
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char ch;
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} splat[] = {
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{"Bg normal", ' '},
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{"Fg normal", ' '},
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{0, 0}
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};
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if ((set_a_foreground || set_foreground)
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? pairs_used >= max_colors
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: pairs_used >= max_pairs) {
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ptext("New palette: ");
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(void) wait_here();
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initial_pair = pairs_used = 1;
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bright_value = 0;
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} else if (line_count + 3 >= lines) {
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ptext("Go: ");
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(void) wait_here();
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put_clear();
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initial_pair = pairs_used = 1;
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bright_value = 0;
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n++;
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} else {
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initial_pair = pairs_used;
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n += initial_pair;
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}
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palette_full = load_palette(n);
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for (d = 0; splat[d].name; d++) {
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c = splat[d].ch;
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if (d == 1) {
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put_mode(enter_reverse_mode);
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}
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for (i = initial_pair; i < n; i++) {
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if (i >= pairs_used) {
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break;
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}
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if (set_a_foreground) {
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if (i >= max_colors) {
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break;
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}
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tc_putp(tparm(set_a_foreground, i));
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tc_putp(tparm(set_a_background, i));
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} else if (set_foreground) {
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if (i >= max_colors) {
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break;
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}
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tc_putp(tparm(set_foreground, i));
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tc_putp(tparm(set_background, i));
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} else {
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if (i >= max_pairs) {
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break;
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}
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tc_putp(tparm(set_color_pair, i));
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}
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putchp(c);
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}
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if (d == 1) {
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put_mode(exit_attribute_mode);
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}
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if (set_a_foreground) {
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tc_putp(tparm(set_a_foreground, a_bright_color));
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tc_putp(tparm(set_a_background, 0));
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} else if (set_foreground) {
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tc_putp(tparm(set_foreground, a_bright_color));
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tc_putp(tparm(set_background, 0));
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} else {
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tc_putp(tparm(set_color_pair, 0));
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}
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put_str(" ");
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put_str(splat[d].name);
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put_crlf();
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}
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return palette_full;
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}
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static void
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ncv_display(int m)
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{ /* print the no_color_video (ncv) test line */
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putchp('0' + m);
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putchp(' ');
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eat_cookie();
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set_attr(1 << m);
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sprintf(temp, "%-11s", alt_modes[m].name);
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put_str(temp);
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new_color(COLOR_BLUE, COLOR_BLACK, TRUE);
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put_str("blue");
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new_color(COLOR_BLACK, COLOR_GREEN, TRUE);
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put_str("green");
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new_color(COLOR_WHITE, COLOR_BLACK, TRUE);
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put_str(alt_modes[m].name);
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eat_cookie();
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set_attr(0);
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put_crlf();
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}
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static void
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dump_colors(void)
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{ /* display the colors in some esthetic
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pattern */
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static int xmap[8] = {0, 3, 4, 7, 1, 2, 5, 6};
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int i, j, k, xi, xj, width, p, cs;
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int found_one;
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cs = color_step <= 125 ? 125 : color_step;
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width = (1000 / cs) + 1;
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for (xi = 0; xi < 16; xi++) {
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i = (xi & 8) ? xi ^ 15 : xi;
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R = i * cs;
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if (R <= 1000) {
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found_one = FALSE;
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for (xj = 0; xj < 32; xj++) {
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j = ((xj & 8) ? xj ^ 15 : xj) & 7;
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k = xmap[((xi >> 1) & 4) + (xj >> 3)];
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G = j * cs;
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B = k * cs;
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if (G <= 1000 && B <= 1000) {
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p = (k * width + j) * width + i;
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if (set_a_background) {
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if (p >= max_colors) {
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continue;
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}
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send_color(p, R, G, B);
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tc_putp(tparm(set_a_background, p));
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} else if (set_background) {
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if (p >= max_colors) {
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continue;
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}
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send_color(p, R, G, B);
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tc_putp(tparm(set_background, p));
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} else {
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if (p >= max_pairs) {
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continue;
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}
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send_pair(p, R, G, B, R, G, B);
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tc_putp(tparm(set_color_pair, p));
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}
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found_one = TRUE;
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putchp(' ');
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putchp(' ');
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}
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}
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if (found_one) {
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put_crlf();
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}
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}
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}
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}
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/*
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** color_check(test_list, status, ch)
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**
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** test (colors) and (pairs)
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*/
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static void
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color_check(
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struct test_list *t,
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int *state,
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int *ch)
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{
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if (max_colors <= 0 && max_pairs <= 0) {
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ptext("This is not a color terminal; (colors) and (pairs) are missing. ");
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*state |= MENU_STOP;
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} else {
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sprintf(temp, "This terminal can display %d colors and %d color pairs. (colors) (pairs)",
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max_colors, max_pairs);
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ptextln(temp);
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}
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generic_done_message(t, state, ch);
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}
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/*
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** color_setf(test_list, status, ch)
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**
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** test (setf) (setb) and (scp)
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*/
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static void
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color_setf(
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struct test_list *t,
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int *state,
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int *ch)
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{
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int i, j;
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if (max_colors <= 0 && max_pairs <= 0) {
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ptext("This is not a color terminal; (colors) and (pairs) are missing. ");
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generic_done_message(t, state, ch);
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*state |= MENU_STOP;
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return;
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}
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if ((set_a_foreground == NULL || set_a_background == NULL)
|
|
&& (set_foreground == NULL || set_background == NULL)
|
|
&& set_color_pair == NULL) {
|
|
ptextln("Both set foreground (setaf/setf) and set color pair (scp) are not present.");
|
|
if (!set_a_background || !set_background) {
|
|
ptextln("(setab/setb) set background not present");
|
|
}
|
|
ptext("These must be defined for color testing. ");
|
|
generic_done_message(t, state, ch);
|
|
*state |= MENU_STOP;
|
|
return;
|
|
}
|
|
/* initialize the color palette */
|
|
pairs_used = max_colors >= 8 ? 8 : max_colors;
|
|
if (can_change) {
|
|
tc_putp(orig_colors);
|
|
}
|
|
tc_putp(tparm(orig_pair));
|
|
new_color(COLOR_WHITE, COLOR_BLACK, FALSE);
|
|
|
|
ptextln("(setf) (setb) (scp) The following colors are predefined:");
|
|
ptextln("\n Foreground Background");
|
|
put_crlf();
|
|
j = max_colors > 8 ? 8 : max_colors;
|
|
/*
|
|
the black on white test is the same as the white on black test.
|
|
*/
|
|
for (i = 1; i < j; i++) {
|
|
putchp('0' + def_colors[i].index);
|
|
putchp(' ');
|
|
sprintf(temp, " %s ", def_colors[i].name);
|
|
|
|
new_color(def_colors[i].index, COLOR_BLACK, TRUE);
|
|
put_str(temp);
|
|
|
|
new_color(COLOR_BLACK, COLOR_BLACK, TRUE);
|
|
put_str(" ");
|
|
|
|
new_color(COLOR_BLACK, def_colors[i].index, TRUE);
|
|
put_str(temp);
|
|
|
|
new_color(COLOR_WHITE, COLOR_BLACK, FALSE);
|
|
put_crlf();
|
|
}
|
|
put_crlf();
|
|
generic_done_message(t, state, ch);
|
|
}
|
|
|
|
/*
|
|
** color_matrix(test_list, status, ch)
|
|
**
|
|
** test (pairs) (op)
|
|
*/
|
|
static void
|
|
color_matrix(
|
|
struct test_list *t,
|
|
int *state,
|
|
int *ch)
|
|
{
|
|
int i, j, matrix_size, matrix_area, brightness;
|
|
|
|
matrix_size = max_colors > 8 ? 8 : max_colors;
|
|
|
|
sprintf(temp, "(pairs) There are %d color pairs.", max_pairs);
|
|
ptextln(temp);
|
|
|
|
for ( ; matrix_size; matrix_size--) {
|
|
if (matrix_size * matrix_size <= max_pairs) {
|
|
break;
|
|
}
|
|
}
|
|
matrix_area = matrix_size * matrix_size;
|
|
for (brightness = 0; brightness < 2; brightness++) {
|
|
put_crlf();
|
|
sprintf(temp,
|
|
"%dx%d matrix of foreground/background colors, bright *o%s*",
|
|
matrix_size, matrix_size, brightness ? "n" : "ff");
|
|
put_str(temp);
|
|
|
|
put_str("\n ");
|
|
for (i = 0; i < matrix_size; i++) {
|
|
(void) sprintf(temp, "%-8s", def_colors[i].name);
|
|
put_str(temp);
|
|
}
|
|
for (j = 0; j < matrix_area; j++) {
|
|
if (j % matrix_size == 0) {
|
|
tc_putp(tparm(orig_pair));
|
|
put_crlf();
|
|
if (brightness) {
|
|
tc_putp(exit_standout_mode);
|
|
}
|
|
(void) sprintf(temp, "%-8s", def_colors[j / matrix_size].name);
|
|
put_str(temp);
|
|
if (brightness) {
|
|
put_mode(enter_bold_mode);
|
|
}
|
|
}
|
|
new_color(def_colors[j % matrix_size].index,
|
|
def_colors[j / matrix_size].index,
|
|
FALSE);
|
|
put_str(" Hello ");
|
|
}
|
|
tc_putp(tparm(orig_pair));
|
|
if (brightness) {
|
|
tc_putp(exit_standout_mode);
|
|
}
|
|
put_crlf();
|
|
}
|
|
generic_done_message(t, state, ch);
|
|
}
|
|
|
|
/*
|
|
** color_ncv(test_list, status, ch)
|
|
**
|
|
** test (ncv)
|
|
*/
|
|
static void
|
|
color_ncv(
|
|
struct test_list *t,
|
|
int *state,
|
|
int *ch)
|
|
{
|
|
int i;
|
|
|
|
if (no_color_video == -1) {
|
|
/* I have no idea what this means */
|
|
return;
|
|
}
|
|
sprintf(temp, "According to no_color_video (ncv) which is %d, the following attributes should work correctly with color.", no_color_video);
|
|
ptextln(temp);
|
|
put_crlf();
|
|
set_attr(0);
|
|
ncv_display(0);
|
|
for (i = 1; i <= 9; i++) {
|
|
if (((no_color_video >> (mode_map[i] - 1)) & 1) == 0) {
|
|
ncv_display(mode_map[i]);
|
|
}
|
|
}
|
|
if (no_color_video & 0x3ff) {
|
|
ptextln("\nThe following attributes should not work correctly with color. (ncv)\n");
|
|
for (i = 1; i <= 9; i++) {
|
|
if ((no_color_video >> (mode_map[i] - 1)) & 1) {
|
|
ncv_display(mode_map[i]);
|
|
}
|
|
}
|
|
}
|
|
tc_putp(orig_pair);
|
|
put_crlf();
|
|
generic_done_message(t, state, ch);
|
|
}
|
|
|
|
/*
|
|
** color_bce(test_list, status, ch)
|
|
**
|
|
** test (bce) background color erase
|
|
*/
|
|
static void
|
|
color_bce(
|
|
struct test_list *t,
|
|
int *state,
|
|
int *ch)
|
|
{
|
|
new_color(COLOR_BLACK, COLOR_WHITE, FALSE);
|
|
put_clear();
|
|
put_newlines(2);
|
|
new_color(COLOR_WHITE, COLOR_BLACK, FALSE);
|
|
ptextln("If the two lines above are black then back_color_erase (bce) should be false.");
|
|
sprintf(temp, "(bce) is %s in the data base.", back_color_erase ? "true" : "false");
|
|
ptextln(temp);
|
|
generic_done_message(t, state, ch);
|
|
}
|
|
|
|
/*
|
|
** color_ccc(test_list, status, ch)
|
|
**
|
|
** test (ccc) color palette test (oc) (op) (initc) (initp)
|
|
*/
|
|
static void
|
|
color_ccc(
|
|
struct test_list *t,
|
|
int *state,
|
|
int *ch)
|
|
{
|
|
int i, j;
|
|
|
|
if (!can_change) {
|
|
ptextln("Terminal can not change colors (ccc)");
|
|
generic_done_message(t, state, ch);
|
|
return;
|
|
}
|
|
tc_putp(orig_colors);
|
|
pairs_used = 0;
|
|
new_color(COLOR_WHITE, COLOR_BLACK, FALSE);
|
|
sprintf(temp, "Reloading colors (init%c) using %s method",
|
|
set_foreground ? 'c' : 'p',
|
|
hue_lightness_saturation ? "HLS" : "RGB");
|
|
ptextln(temp);
|
|
put_crlf();
|
|
j = max_colors > 7 ? 7 : max_colors;
|
|
/* redisplay the above test with reinitialized colors */
|
|
/* If these colors don't look right to you... */
|
|
for (i = 0; i < j; i++) {
|
|
sprintf(temp, " %s ", def_colors[i ^ 7].name);
|
|
|
|
new_color(i ^ 7, COLOR_BLACK, TRUE);
|
|
put_str(temp);
|
|
|
|
new_color(COLOR_BLACK, COLOR_BLACK, TRUE);
|
|
put_str(" ");
|
|
|
|
new_color(COLOR_BLACK, i ^ 7, TRUE);
|
|
put_str(temp);
|
|
|
|
new_color(COLOR_WHITE, COLOR_BLACK, FALSE);
|
|
put_crlf();
|
|
}
|
|
generic_done_message(t, state, ch);
|
|
if (*ch != 0 && *ch != 'n') {
|
|
tc_putp(orig_colors);
|
|
tc_putp(tparm(orig_pair));
|
|
return;
|
|
}
|
|
|
|
pairs_used = 0;
|
|
cookie_monster = 0;
|
|
if (magic_cookie_glitch > 0) {
|
|
cookie_monster =
|
|
((set_a_foreground || set_foreground)
|
|
? magic_cookie_glitch : 0) +
|
|
((set_a_background || set_background)
|
|
? magic_cookie_glitch : 0) +
|
|
(set_color_pair ? magic_cookie_glitch : 0);
|
|
}
|
|
set_color_step();
|
|
colors_per_line = max_colors > max_pairs
|
|
? max_pairs : max_colors;
|
|
j = (columns - 14) / (cookie_monster + 1);
|
|
if (colors_per_line > j) {
|
|
colors_per_line = (j / i) * i;
|
|
}
|
|
sprintf(temp, "RGB color step %d, cookies %d", color_step,
|
|
cookie_monster);
|
|
ptextln(temp);
|
|
|
|
R = G = B = 0;
|
|
pairs_used = 0;
|
|
for (;;) {
|
|
if (rainbow(colors_per_line)) {
|
|
break;
|
|
}
|
|
}
|
|
generic_done_message(t, state, ch);
|
|
if (*ch != 0 && *ch != 'n') {
|
|
tc_putp(orig_colors);
|
|
tc_putp(tparm(orig_pair));
|
|
return;
|
|
}
|
|
dump_colors();
|
|
tc_putp(orig_colors);
|
|
tc_putp(tparm(orig_pair));
|
|
generic_done_message(t, state, ch);
|
|
}
|