terminal-chess: src/input.c@a285ee393860 (annotated)

src/input.c@a285ee393860 (annotated)

src/input.c

Mon, 07 Apr 2014 17:39:46 +0200

author: Mike Becker <universe@uap-core.de>
date: Mon, 07 Apr 2014 17:39:46 +0200
changeset 30: a285ee393860
parent 7: 41468077b5bb
child 31: ed440bcd9740
permissions: -rw-r--r--

experimental async input for single machine mode

 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
  * Copyright 2014 Mike Becker. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *   1. Redistributions of source code must retain the above copyright
  *      notice, this list of conditions and the following disclaimer.
  *
  *   2. Redistributions in binary form must reproduce the above copyright
  *      notice, this list of conditions and the following disclaimer in the
  *      documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
  */
 #include "input.h"
 void init_colorpairs() {
     init_pair(COL_YB, COLOR_YELLOW, COLOR_BLUE);
     init_pair(COL_BW, COLOR_BLACK, COLOR_WHITE);
     init_pair(COL_WB, COLOR_WHITE, COLOR_BLACK);
 }
 int prompt_yesno(char *msg) {
     printw("%s (y/n)? ", msg);
     refresh();
     noecho();
     int ch;
     do {
         ch = getch();
     } while (ch != 'y' && ch != 'n');
     echo();
     return ch == 'y';
 }
 /**
  * Asynchronous variant of getnstr().
  *
  * Needs halfdelay mode enabled!
  *
  * Warning: you must not call this function for reading into two separate
  * buffers at the same time.
  *
  * Attention: the first byte of the buffer must be zero at the first call, so
  * the buffer pointer is initialized correctly.
  *
  * @param w the window
  * @param y the window y position
  * @param x the window x position
  * @param str the buffer for the read string
  * @param len the length of the buffer
  * @return 0 if reading is in progress and 1 when a complete line is read
  */
 int mvwasyncgetnstr(WINDOW* w, int y, int x, char *str, size_t len) {
     static size_t pos = 0;
     if (*str == '\0') {
         pos = 0;
     }
     mvwaddstr(w,y, x, str);
     wrefresh(w);
     int c = wgetch(w);
     if (c != ERR) {
         switch (c) {
         case '\n':
             str[pos] = '\0';
             pos = 0;
             return 1;
         case KEY_BACKSPACE:
         case KEY_LEFT:
             str[--pos] = '\0';
             break;
         default:
             if (c < 255 && pos < len-1) {
                 str[pos++] = (char) c;
             }
         }
     }
     return 0;
 }

Mercurial > hg > terminal-chess / annotate

src/input.c@a285ee393860 (annotated)

src/input.c