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PATH: usr / share / doc / ncurses-devel-5.9 / test

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/*
 * Author: Thomas E. Dickey - 2000
 *
 * $Id: railroad.c,v 1.20 2011/04/23 19:15:04 tom Exp $
 *
 * A simple demo of the termcap interface.
 */
#define USE_TINFO
#include <test.priv.h>

#if HAVE_TGETENT

static char *wipeit;
static char *moveit;
static int length;
static int height;

static char *finisC;
static char *finisS;
static char *finisU;

static char *startC;
static char *startS;
static char *startU;

static char *backup;

static bool interrupted = FALSE;

static
TPUTS_PROTO(outc, c)
{
    int rc = OK;

if (interrupted) {
	char tmp = (char) c;
	if (write(STDOUT_FILENO, &tmp, 1) == -1)
	    rc = ERR;
    } else {
	if (putc(c, stdout) == EOF)
	    rc = ERR;
    }
    TPUTS_RETURN(rc);
}

static void
PutChar(int ch)
{
    putchar(ch);
    fflush(stdout);
    napms(moveit ? 10 : 50);	/* not really termcap... */
}

static void
Backup(void)
{
    tputs(backup != 0 ? backup : "\b", 1, outc);
}

static void
MyShowCursor(int flag)
{
    if (startC != 0 && finisC != 0) {
	tputs(flag ? startC : finisC, 1, outc);
    }
}

static void
StandOut(int flag)
{
    if (startS != 0 && finisS != 0) {
	tputs(flag ? startS : finisS, 1, outc);
    }
}

static void
Underline(int flag)
{
    if (startU != 0 && finisU != 0) {
	tputs(flag ? startU : finisU, 1, outc);
    }
}

static void
ShowSign(char *string)
{
    char *base = string;
    int ch, first, last;

if (moveit != 0) {
	tputs(tgoto(moveit, 0, height - 1), 1, outc);
	tputs(wipeit, 1, outc);
    }

while (*string != 0) {
	ch = *string;
	if (ch != ' ') {
	    if (moveit != 0) {
		for (first = length - 2; first >= (string - base); first--) {
		    if (first < length - 1) {
			tputs(tgoto(moveit, first + 1, height - 1), 1, outc);
			PutChar(' ');
		    }
		    tputs(tgoto(moveit, first, height - 1), 1, outc);
		    PutChar(ch);
		}
	    } else {
		last = ch;
		if (isalpha(ch)) {
		    first = isupper(ch) ? 'A' : 'a';
		} else if (isdigit(ch)) {
		    first = '0';
		} else {
		    first = ch;
		}
		if (first < last) {
		    Underline(1);
		    while (first < last) {
			PutChar(first);
			Backup();
			first++;
		    }
		    Underline(0);
		}
	    }
	    if (moveit != 0)
		Backup();
	}
	StandOut(1);
	PutChar(ch);
	StandOut(0);
	fflush(stdout);
	string++;
    }
    if (moveit != 0)
	tputs(wipeit, 1, outc);
    putchar('\n');
}

static void
cleanup(void)
{
    Underline(0);
    StandOut(0);
    MyShowCursor(1);
}

static void
onsig(int n GCC_UNUSED)
{
    interrupted = TRUE;
    cleanup();
    ExitProgram(EXIT_FAILURE);
}

static void
railroad(char **args)
{
    NCURSES_CONST char *name = getenv("TERM");
    char buffer[1024];
    char area[1024], *ap = area;

if (name == 0)
	name = "dumb";
    if (tgetent(buffer, name) >= 0) {

wipeit = tgetstr("ce", &ap);
	height = tgetnum("li");
	length = tgetnum("co");
	moveit = tgetstr("cm", &ap);

if (wipeit == 0
	    || moveit == 0
	    || height <= 0
	    || length <= 0) {
	    wipeit = 0;
	    moveit = 0;
	    height = 0;
	    length = 0;
	}

startS = tgetstr("so", &ap);
	finisS = tgetstr("se", &ap);

startU = tgetstr("us", &ap);
	finisU = tgetstr("ue", &ap);

backup = tgetstr("le", &ap);

startC = tgetstr("ve", &ap);
	finisC = tgetstr("vi", &ap);

MyShowCursor(0);

CATCHALL(onsig);

while (*args) {
	    ShowSign(*args++);
	}
	MyShowCursor(1);
    }
}

int
main(int argc, char *argv[])
{
    if (argc > 1) {
	railroad(argv + 1);
    } else {
	static char world[] = "Hello World";
	static char *hello[] =
	{world, 0};
	railroad(hello);
    }
    ExitProgram(EXIT_SUCCESS);
}

#else
int
main(int argc GCC_UNUSED,
     char *argv[]GCC_UNUSED)
{
    printf("This program requires termcap\n");
    exit(EXIT_FAILURE);
}
#endif

[-] color_set.c [edit]
[-] hashtest.c [edit]
[-] demo_termcap.c [edit]
[-] filter.c [edit]
[-] widechars-utf8.txt [edit]
[-] keynames.c [edit]
[-] firstlast.c [edit]
[-] chgat.c [edit]
[-] test_arrays.c [edit]
[-] view.c [edit]
[+] package
[-] gdc.c [edit]
[-] dots_mvcur.c [edit]
[-] movewindow.c [edit]
[+] ..
[-] ncurses_tst.hin [edit]
[-] firework.c [edit]
[-] ditto.c [edit]
[-] inch_wide.c [edit]
[-] README [edit]
[-] edit_field.h [edit]
[-] test_getstr.c [edit]
[-] hanoi.c [edit]
[-] railroad.c [edit]
[-] test_addwstr.c [edit]
[-] linux-color.dat [edit]
[-] test_add_wchstr.c [edit]
[-] bulgarian-utf8.txt [edit]
[-] linedata.h [edit]
[-] testcurs.c [edit]
[-] savescreen.sh [edit]
[-] xmas.c [edit]
[-] widechars.h [edit]
[-] inserts.c [edit]
[-] modules [edit]
[-] xterm-16color.dat [edit]
[-] newdemo.c [edit]
[-] echochar.c [edit]
[-] savescreen.c [edit]
[-] knight.c [edit]
[-] bs.c [edit]
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[-] test_instr.c [edit]
[-] configure.in [edit]
[-] test_opaque.c [edit]
[-] bs.6 [edit]
[-] demo_menus.c [edit]
[-] test_get_wstr.c [edit]
[-] insdelln.c [edit]
[-] xterm-88color.dat [edit]
[-] testaddch.c [edit]
[-] demo_panels.c [edit]
[-] test.priv.h [edit]
[-] tracemunch [edit]
[-] ncurses.c [edit]
[-] demo_terminfo.c [edit]
[-] test_vidputs.c [edit]
[-] test_inwstr.c [edit]
[-] rain.c [edit]
[-] cardfile.c [edit]
[-] background.c [edit]
[-] test_vid_puts.c [edit]
[-] demo_keyok.c [edit]
[-] inchs.c [edit]
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[-] demo_defkey.c [edit]
[-] xterm-256color.dat [edit]
[-] blue.c [edit]
[-] demo_forms.c [edit]
[-] listused.sh [edit]
[-] lrtest.c [edit]
[-] dots.c [edit]
[-] tclock.c [edit]
[-] cardfile.dat [edit]
[-] make-tar.sh [edit]
[-] redraw.c [edit]
[-] key_names.c [edit]
[-] ins_wide.c [edit]
[-] edit_field.c [edit]
[-] color_name.h [edit]
[-] worm.c [edit]
[-] test_addstr.c [edit]
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[-] gdc.6 [edit]