terminal-chess: src/input.c@4eda5df55f86

     1 /*

     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

     3  *

     4  * Copyright 2016 Mike Becker. All rights reserved.

     5  *

     6  * Redistribution and use in source and binary forms, with or without

     7  * modification, are permitted provided that the following conditions are met:

     8  *

     9  *   1. Redistributions of source code must retain the above copyright

    10  *      notice, this list of conditions and the following disclaimer.

    11  *

    12  *   2. Redistributions in binary form must reproduce the above copyright

    13  *      notice, this list of conditions and the following disclaimer in the

    14  *      documentation and/or other materials provided with the distribution.

    15  *

    16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    26  * POSSIBILITY OF SUCH DAMAGE.

    27  *

    28  */

    30 #include "input.h"

    31 #include <string.h>

    32 #include <ctype.h>

    34 int prompt_yesno(char *msg) {

    35     printw("%s (y/n)? ", msg);

    36     refresh();

    37     noecho();

    38     int ch;

    39     do {

    40         ch = getch();

    41     } while (ch != 'y' && ch != 'n');

    42     echo();

    44     return ch == 'y';

    45 }

    47 int mvwasyncgetnstr(WINDOW* w,int y,int x,char *str,size_t *pos,size_t len) {

    48     mvwaddnstr(w, y, x, str, *pos);

    49     wrefresh(w);

    50     int c = wgetch(w);

    52     if (c != ERR) {

    53         switch (c) {

    54         case KEY_DOWN:

    55         case '\n':

    56             str[*pos] = '\0';

    57             *pos = 0;

    58             waddch(w,'\n');

    59             return 1;

    60         case KEY_BACKSPACE:

    61         case KEY_LEFT:

    62             if ((*pos) > 0) {

    63                 str[--(*pos)] = '\0';

    64             }

    65             break;

    66         default:

    67             if (isprint(c) && *pos < len-1) {

    68                 str[(*pos)++] = (char) c;

    69             }

    70         }

    71     }

    73     return 0;

    74 }

Mercurial > hg > terminal-chess / file revision