ncurses.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Wed, 02 May 2012 20:51:14 +0200
changeset 165 f551b78c3eee
parent 118 17dff2c6fc88
permissions -rw-r--r--
a bluetooth and a c++ demo committer: Markus Bröker <mbroeker@largo.homelinux.org>
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/**
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 * ncurses.c
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 * Copyright (C) 2008 Markus Broeker
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 *
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 * Unicode != UTF-8
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 * unicode with ncursesw ( wide char)
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 * gcc $< -lncursesw -o $@
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 */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <ncurses.h>
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#include <wchar.h>
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#include <locale.h>
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#ifndef u_char
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typedef unsigned char u_char;
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#endif
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#define ESCAPE 0x1B
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#ifndef get_wch
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extern int get_wch ();
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#endif
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int check_locale ()
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{
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    if (!setlocale (LC_CTYPE, "")) {
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        perror ("SETLOCALE");
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        exit (EXIT_FAILURE);
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    }
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    return EXIT_SUCCESS;
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}
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wchar_t func (WINDOW * win)
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{
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    wchar_t guess = '\0';
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    char dest[6];
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0
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    int maxx;
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    int maxy;
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    while (guess != ESCAPE) {
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        while ((get_wch (&guess)) != OK)
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            /*
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             * waiting for multibyte character
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             */
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            ;
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        maxx = getmaxx (win);
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        maxy = getmaxy (win);
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        memset (&dest, 0, sizeof (dest));
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        if (wctomb (dest, guess) == -1) {
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            perror ("WCTOMB");
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            return -1;
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        }
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        mvprintw (maxy / 2, maxx / 2 - 12,
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                  "UTF-8: (%2X:%2X:%2X:%2X)\t\t", (u_char) dest[0],
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                  (u_char) dest[1], (u_char) dest[2], (u_char) dest[3]);
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        mvprintw (maxy - 1, 0, "KEY: %2lc\t", guess);
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        mvprintw (maxy - 1, maxx - 14, "UNICODE: %4X", guess);
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        mvprintw (maxy - 1, maxx / 2 - 10, "Press ESC to quit");
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    }
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    return guess;
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}
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int main ()
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{
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    wchar_t x;
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0
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    WINDOW *win;
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    check_locale ();
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    win = initscr ();
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    keypad (win, 1);
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    noecho ();
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    x = func (win);
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    endwin ();
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    printf ("\n");
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    return EXIT_SUCCESS;
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}