root/usr.bin/mg/ttykbd.c
/*      $OpenBSD: ttykbd.c,v 1.22 2023/03/30 19:00:02 op Exp $  */

/* This file is in the public domain. */

/*
 * Name:        MG 2a
 *              Terminfo keyboard driver using key files
 * Created:     22-Nov-1987 Mic Kaczmarczik (mic@emx.cc.utexas.edu)
 */

#include <sys/queue.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <term.h>

#include "def.h"
#include "kbd.h"

/*
 * Get keyboard character.  Very simple if you use keymaps and keys files.
 */

char    *keystrings[] = {NULL};

/*
 * Turn on function keys using keypad_xmit, then load a keys file, if
 * available.  The keys file is located in the same manner as the startup
 * file is, depending on what startupfile() does on your system.
 */
void
ttykeymapinit(void)
{
        char    *cp, file[NFILEN];
        FILE    *ffp;

        /* Bind keypad function keys. */
        if (key_left)
                dobindkey(fundamental_map, "backward-char", key_left);
        if (key_right)
                dobindkey(fundamental_map, "forward-char", key_right);
        if (key_up)
                dobindkey(fundamental_map, "previous-line", key_up);
        if (key_down)
                dobindkey(fundamental_map, "next-line", key_down);
        if (key_beg)
                dobindkey(fundamental_map, "beginning-of-line", key_beg);
        else if (key_home)
                dobindkey(fundamental_map, "beginning-of-line", key_home);
        if (key_end)
                dobindkey(fundamental_map, "end-of-line", key_end);
        if (key_npage)
                dobindkey(fundamental_map, "scroll-up", key_npage);
        if (key_ppage)
                dobindkey(fundamental_map, "scroll-down", key_ppage);
        if (key_ic)
                dobindkey(fundamental_map, "overwrite-mode", key_ic);
        if (key_dc)
                dobindkey(fundamental_map, "delete-char", key_dc);

        if ((cp = getenv("TERM")) != NULL &&
            (ffp = startupfile(cp, NULL, file, sizeof(file))) != NULL) {
                if (load(ffp, file) != TRUE)
                        ewprintf("Error reading key initialization file");
                (void)ffclose(ffp, NULL);
        }
        if (keypad_xmit)
                /* turn on keypad */
                putpad(keypad_xmit, 1);
}

/*
 * Clean up the keyboard -- called by tttidy()
 */
void
ttykeymaptidy(void)
{
        if (keypad_local)
                /* turn off keypad */
                putpad(keypad_local, 1);
}