test/testaddch.c

/****************************************************************************
 * Copyright 2020,2022 Thomas E. Dickey                                     *
 * Copyright 1998-2013,2014 Free Software Foundation, Inc.                  *
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/*
 * This is an example written by Alexander V. Lukyanov <lav@yars.free.net>,
 * to demonstrate an inconsistency between ncurses and SVr4 curses.
 *
 * $Id: testaddch.c,v 1.15 2022/12/10 23:44:18 tom Exp $
 */
#include <test.priv.h>

static void
attr_addstr(const char *s, chtype a)
{
    while (*s)
	addch(((unsigned char) (*s++)) | a);
}

static void
usage(int ok)
{
    static const char *msg[] =
    {
	"Usage: testaddch [options]"
	,""
	,USAGE_COMMON
    };
    size_t n;

    for (n = 0; n < SIZEOF(msg); n++)
	fprintf(stderr, "%s\n", msg[n]);

    ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
}
/* *INDENT-OFF* */
VERSION_COMMON()
/* *INDENT-ON* */

int
main(int argc, char *argv[])
{
    unsigned i;
    chtype back, set, attr;
    int ch;

    while ((ch = getopt(argc, argv, OPTS_COMMON)) != -1) {
	switch (ch) {
	case OPTS_VERSION:
	    show_version(argv);
	    ExitProgram(EXIT_SUCCESS);
	default:
	    usage(ch == OPTS_USAGE);
	    /* NOTREACHED */
	}
    }
    if (optind < argc)
	usage(FALSE);

    setlocale(LC_ALL, "");

    initscr();
    start_color();
    init_pair(1, COLOR_WHITE, COLOR_BLUE);
    init_pair(2, COLOR_WHITE, COLOR_RED);
    init_pair(3, COLOR_BLACK, COLOR_MAGENTA);
    init_pair(4, COLOR_BLACK, COLOR_GREEN);
    init_pair(5, COLOR_BLACK, COLOR_CYAN);
    init_pair(6, COLOR_BLACK, COLOR_YELLOW);
    init_pair(7, COLOR_BLACK, COLOR_WHITE);

    for (i = 0; i < 8; i++) {
	back = (i & 1) ? A_BOLD | 'B' : ' ';
	set = (i & 2) ? A_REVERSE : 0;
	attr = (chtype) ((i & 4) ? COLOR_PAIR(4) : 0);

	bkgdset(back);
	(void) attrset(AttrArg(set, 0));

	attr_addstr("Test string with spaces ->   <-\n", attr);
    }
    addch('\n');
    for (i = 0; i < 8; i++) {
	back = (i & 1) ? (A_BOLD | 'B' | (chtype) COLOR_PAIR(1)) : ' ';
	set = (i & 2) ? (A_REVERSE | (chtype) COLOR_PAIR(2)) : 0;
	attr = (chtype) ((i & 4) ? (chtype) COLOR_PAIR(4) : 0);

	bkgdset(back);
	(void) attrset(AttrArg(set, 0));

	attr_addstr("Test string with spaces ->   <-\n", attr);
    }

    getch();
    endwin();
    ExitProgram(EXIT_SUCCESS);
}