112 lines
2.5 KiB
C
112 lines
2.5 KiB
C
/*
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* Copyright (c) 2004, Jilles Tjoelker
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with
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* or without modification, are permitted provided that the
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* following conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* 2. Redistributions in binary form must reproduce the
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* above copyright notice, this list of conditions and
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* the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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#include <curses.h>
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/* Assumes noecho(). */
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/* As with getnstr(), maxlen does not include the '\0' character. */
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int
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mygetnstr(char *buf, int maxlen, int doecho)
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{
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int c, i;
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i = 0;
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for (;;)
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{
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c = getch();
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if (c == 8 || c == 127 || c == KEY_BACKSPACE || c == KEY_DC ||
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c == KEY_LEFT)
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{
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if (i > 0)
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{
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i--;
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if (doecho)
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addstr("\010 \010");
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}
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else
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beep();
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}
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else if (c == 21 || c == 24 || c == KEY_DL) /* ^U/^X */
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{
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while (i > 0)
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{
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i--;
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if (doecho)
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addstr("\010 \010");
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}
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}
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else if (c == 23) /* ^W */
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{
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while (i > 0 && buf[i - 1] == ' ')
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{
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i--;
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if (doecho)
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addstr("\010 \010");
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}
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while (i > 0 && buf[i - 1] != ' ')
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{
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i--;
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if (doecho)
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addstr("\010 \010");
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}
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}
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else if ((c >= ' ' && c <= '~') || (c >= 0xA0 && c <= 0xFF))
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{
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if (i < maxlen)
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{
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buf[i] = c;
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i++;
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if (doecho)
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addch(c);
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}
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else
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beep();
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}
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else if (c == 10 || c == 13 || c == KEY_ENTER || c == KEY_RESIZE)
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break;
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else if (c == ERR)
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{
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buf[i] = 0;
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return ERR;
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}
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else
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beep();
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}
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buf[i] = 0;
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return OK;
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}
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/* vim:ts=8:cin:sw=4
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*/
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