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 * Copyright (c) 2002-2010,2012 Free Software Foundation, Inc.              *
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 * without limitation the rights to use, copy, modify, merge, publish,      *
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 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
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/*
 * $Id: inserts.c,v 1.27 2012/12/16 00:35:27 tom Exp $
 *
 * Demonstrate the winsstr() and winsch functions.
 * Thomas Dickey - 2002/10/19
 */

#include <test.priv.h>

#if HAVE_WINSSTR

#include <linedata.h>

#define InsNStr    insnstr
#define InsStr     insstr
#define MvInsNStr  (void) mvinsnstr
#define MvInsStr   (void) mvinsstr
#define MvWInsNStr (void) mvwinsnstr
#define MvWInsStr  (void) mvwinsstr
#define WInsNStr   winsnstr
#define WInsStr    winsstr

#define InsCh      insch
#define MvInsCh    (void) mvinsch
#define MvWInsCh   (void) mvwinsch
#define WInsCh     winsch

#define MY_TABSIZE 8

typedef enum {
    oDefault = 0,
    oMove = 1,
    oWindow = 2,
    oMoveWindow = 3
} Options;

static bool m_opt = FALSE;
static bool w_opt = FALSE;
static int n_opt = -1;

static void
legend(WINDOW *win, int level, Options state, char *buffer, int length)
{
    const char *showstate;

    switch (state) {
    default:
    case oDefault:
	showstate = "";
	break;
    case oMove:
	showstate = " (mvXXX)";
	break;
    case oWindow:
	showstate = " (winXXX)";
	break;
    case oMoveWindow:
	showstate = " (mvwinXXX)";
	break;
    }

    wmove(win, 0, 0);
    wprintw(win,
	    "The Strings/Chars displays should match.  Enter any characters, except:\n");
    wprintw(win,
	    "down-arrow or ^N to repeat on next line, ^W for inner window, ESC to exit.\n");
    wclrtoeol(win);
    wprintw(win, "Level %d,%s inserted %d characters <%s>", level,
	    showstate, length, buffer);
}

static int
ColOf(char *buffer, int length, int margin)
{
    int n;
    int result;

    for (n = 0, result = margin + 1; n < length; ++n) {
	int ch = UChar(buffer[n]);
	switch (ch) {
	case '\n':
	    /* actually newline should clear the remainder of the line
	     * and move to the next line - but that seems a little awkward
	     * in this example.
	     */
	case '\r':
	    result = 0;
	    break;
	case '\b':
	    if (result >