/
vt100.c
executable file
·1392 lines (1266 loc) · 32.7 KB
/
vt100.c
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/*
* vt100.c ANSI/VT102 emulator code.
* This code was integrated to the Minicom communications
* package, but has been reworked to allow usage as a separate
* module.
*
* It's not a "real" vt102 emulator - it's more than that:
* somewhere between vt220 and vt420 in commands.
*
* This file is part of the minicom communications package,
* Copyright 1991-1995 Miquel van Smoorenburg.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* // jl 04.09.97 character map conversions in and out
* jl 06.07.98 use conversion tables with the capture file
*/
/* 05/09/2010 shoved head first into htpterm and flushed the handle-
* sigflup
*
* 08/17/2012 Made more portable, also now we operate on a character buffer
* sigflup
*/
#include <stdio.h>
#include <stdlib.h>
#include <termios.h>
#include <string.h>
#include <unistd.h>
#include "vt100.h"
#include "term.h"
#define W ws_conf.ws_col
#define H ws_conf.ws_row
/* BUGS!!!!
* Why is this above 0xff? See XXX:mappers
* back-tab \33[Z see XXX:bt
* character sets see XXX:char sets
* */
/*
* The global variable esc_s holds the escape sequence status:
* 0 - normal
* 1 - ESC
* 2 - ESC [
* 3 - ESC [ ?
* 4 - ESC (
* 5 - ESC )
* 6 - ESC #
* 7 - ESC P
*/
static int esc_s = 0;
#define ESC 27
/* Structure to hold escape sequences. */
struct escseq {
int code;
const char *vt100_st;
const char *vt100_app;
const char *ansi;
};
/* Escape sequences for different terminal types. */
static struct escseq vt_keys[] = {
{ K_F1, "OP", "OP", "OP" },
{ K_F2, "OQ", "OQ", "OQ" },
{ K_F3, "OR", "OR", "OR" },
{ K_F4, "OS", "OS", "OS" },
{ K_F5, "[16~", "[16~", "OT" },
{ K_F6, "[17~", "[17~", "OU" },
{ K_F7, "[18~", "[18~", "OV" },
{ K_F8, "[19~", "[19~", "OW" },
{ K_F9, "[20~", "[20~", "OX" },
{ K_F10, "[21~", "[21~", "OY" },
{ K_F11, "[23~", "[23~", "OY" },
{ K_F12, "[24~", "[24~", "OY" },
{ K_HOME, "[1~", "[1~", "[H" },
{ K_PGUP, "[5~", "[5~", "[V" },
{ K_UP, "[A", "OA", "[A" },
{ K_LT, "[D", "OD", "[D" },
{ K_RT, "[C", "OC", "[C" },
{ K_DN, "[B", "OB", "[B" },
{ K_END, "[4~", "[4~", "[Y" },
{ K_PGDN, "[6~", "[6~", "[U" },
{ K_INS, "[2~", "[2~", "[@" },
{ K_DEL, "[3~", "[3~", "\177" },
{ 0, NULL, NULL, NULL }
};
char answerback[ANSWERBACK_LEN] = { 0 };
char convcap[CONVCAP_LEN] = { 0 };
size_t one_mbtowc(char *pwc, char *s, size_t n) {
int len;
len = mbtowc((wchar_t *)pwc, s, n);
if(len == -1)
*pwc = *s;
if(len<=0)
len = 1;
return len;
}
/*
* Initialize the emulator once.
*/
void vt_install(void (*fun1)(const char *, int, struct term_t *),
struct term_t *pwin)
{
term_t *win = (term_t *)pwin;
win->state.termout = fun1;
win = win;
}
/* Partial init (after screen resize) */
void vt_pinit(struct term_t *pwin, int fg, int bg)
{
term_t *win = (term_t *)pwin;
win = win;
win->state.newy1 = 0;
win->state.newy2 = win->H - 1;
term_wresetregion(win);
if (fg > 0)
win->state.vt_fg = fg;
if (bg > 0)
win->state.vt_bg = bg;
term_wsetfgcol(win, win->state.vt_fg);
term_wsetbgcol(win, win->state.vt_bg);
}
/* Set characteristics of emulator. */
void vt_init(struct term_t *pwin, int type, int fg, int bg, int wrap, int add)
{
term_t *win = (term_t *)pwin;
win->wrap = 0;
win->state.vt_wrap = -1;
win->state.vt_addlf = 0;
win->state.vt_asis = 0;
win->state.vt_bs = 8;
win->state.vt_insert = 0;
win->state.vt_crlf = 0;
win->state.vt_docap = 0;
win->state.enable_iconv = 0;
win->state.ptr = 0;
win->state.newy1 = 0;
win->state.newy2 = win->ws_conf.ws_col;
win->state.savex = 0;
win->state.savey = 0;
win->state.saveattr = XA_NORMAL;
win->state.savecol = 112;
win->state.vt_type = type;
if (win->state.vt_type == ANSI) {
win->state.vt_fg = WHITE;
win->state.vt_bg = BLACK;
} else {
win->state.vt_fg = fg;
win->state.vt_bg = bg;
}
if (wrap >= 0)
win->wrap = win->state.vt_wrap = wrap;
win->state.vt_addlf = add;
win->state.vt_insert = 0;
win->state.vt_crlf = 0;
win->state.vt_om = 0;
win->state.newy1 = 0;
win->state.newy2 = win->H - 1;
term_wresetregion(win);
win->state.vt_keypad = NORMAL;
win->state.vt_cursor = NORMAL;
win->state.vt_echo = 0;
win->state.vt_tabs[0] = 0x01010100;
win->state.vt_tabs[1] =
win->state.vt_tabs[2] =
win->state.vt_tabs[3] =
win->state.vt_tabs[4] = 0x01010101;
win->state.ptr = 0;
memset(win->state.escparms, 0, sizeof(win->state.escparms));
esc_s = 0;
term_wsetfgcol(win, win->state.vt_fg);
term_wsetbgcol(win, win->state.vt_bg);
}
/* Change some things on the fly. */
void vt_set(struct term_t *pwin, int addlf, int wrap, int docap, int bscode,
int echo, int cursor, int asis)
{
term_t *win = (term_t *)pwin;
if (addlf >= 0)
win->state.vt_addlf = addlf;
if (wrap >= 0)
win->wrap = win->state.vt_wrap = wrap;
if (docap >= 0)
win->state.vt_docap = docap;
if (bscode >= 0)
win->state.vt_bs = bscode;
if (echo >= 0)
win->state.vt_echo = echo;
if (cursor >= 0)
win->state.vt_cursor = cursor;
if (asis >=0)
win->state.vt_asis = asis;
}
/* Output a string to the modem. */
static void v_termout(term_t *win, const char *s, int len)
{
const char *p;
if (win->state.vt_echo) {
for (p = s; *p; p++) {
vt_out((struct term_t *)win, *p);
if (!win->state.vt_addlf && *p == '\r')
vt_out((struct term_t *)win, '\n');
}
}
(*win->state.termout)(s, len, (struct term_t *)win);
}
/*
* Escape code handling.
*/
/*
* ESC was seen the last time. Process the next character.
*/
static void state1(term_t *win, int c)
{
short x, y, f;
switch(c) {
case '[': /* ESC [ */
esc_s = 2;
return;
case '(': /* ESC ( */
esc_s = 4;
return;
case ')': /* ESC ) */
esc_s = 5;
return;
case '#': /* ESC # */
esc_s = 6;
return;
case 'P': /* ESC P (DCS, Device Control String) */
esc_s = 7;
return;
case 'D': /* Cursor down */
case 'M': /* Cursor up */
x = win->cursor_x;
if (c == 'D') { /* Down. */
y = win->cursor_y + 1;
if (y == win->state.newy2 + 1)
term_wscroll(win, S_UP);
else if (win->cursor_y < win->H)
term_wlocate(win, x, y);
}
if (c == 'M') { /* Up. */
y = win->cursor_y - 1;
if (y == win->state.newy1 - 1)
term_wscroll(win, S_DOWN);
else if (y >= 0)
term_wlocate(win, x, y);
}
break;
case 'E': /* CR + NL */
term_wputs(win, (unsigned char *)"\r\n");
break;
case '7': /* Save attributes and cursor position */
case 's':
win->state.savex = win->cursor_x;
win->state.savey = win->cursor_y;
win->state.saveattr = win->attr;
win->state.savecol = win->color;
break;
case '8': /* Restore them */
case 'u':
win->color = win->state.savecol; /* HACK should use mc_wsetfgcol etc */
term_wsetattr(win, win->state.saveattr);
term_wlocate(win, win->state.savex, win->state.savey);
break;
case '=': /* Keypad into applications mode */
win->state.vt_keypad = APPL;
break;
case '>': /* Keypad into numeric mode */
win->state.vt_keypad = NORMAL;
break;
case 'Z': /* Report terminal type */
if (win->state.vt_type == VT100)
v_termout(win, "\033[?1;0c", 0);
else
v_termout(win, "\033[?c", 0);
break;
case 'c': /* Reset to initial state */
f = XA_NORMAL;
term_wsetattr(win, f);
win->wrap = (win->state.vt_type != VT100);
if (win->state.vt_wrap != -1)
win->wrap = win->state.vt_wrap;
win->state.vt_crlf = win->state.vt_insert = 0;
vt_init((struct term_t *)win, win->state.vt_type, win->state.vt_fg,
win->state.vt_bg, win->wrap, 0);
term_wlocate(win, 0, 0);
break;
case 'H': /* Set tab in current position */
x = win->cursor_x;
if (x > 159)
x = 159;
win->state.vt_tabs[x / 32] |= 1 << (x % 32);
break;
case 'N': /* G2 character set for next character only*/
case 'O': /* G3 " " */
case '<': /* Exit vt52 mode */
default:
/* ALL IGNORED */
break;
}
esc_s = 0;
}
/* ESC [ ... [hl] seen. */
static void ansi_mode(term_t *win, int on_off)
{
int i;
for (i = 0; i <= win->state.ptr; i++) {
switch (win->state.escparms[i]) {
case 4: /* Insert mode */
win->state.vt_insert = on_off;
break;
case 20: /* Return key mode */
win->state.vt_crlf = on_off;
break;
}
}
}
/*
* ESC [ ... was seen the last time. Process next character.
*/
static void state2(term_t *win, int c)
{
short x, y, attr, f;
char temp[32];
/* See if a number follows */
if (c >= '0' && c <= '9') {
win->state.escparms[win->state.ptr] = 10*win->state.escparms[win->state.ptr] + c - '0';
return;
}
/* Separation between numbers ? */
if (c == ';') {
if (win->state.ptr < 15)
win->state.ptr++;
return;
}
/* ESC [ ? sequence */
if (win->state.escparms[0] == 0 && win->state.ptr == 0 && c == '?')
{
esc_s = 3;
return;
}
/* Process functions with zero, one, two or more arguments */
switch (c) {
case 'A':
case 'B':
case 'C':
case 'D': /* Cursor motion */
if ((f = win->state.escparms[0]) == 0)
f = 1;
x = win->cursor_x;
y = win->cursor_y;
x += f * ((c == 'C') - (c == 'D'));
if (x < 0)
x = 0;
if (x >= win->W)
x = win->W - 1;
if (c == 'B') { /* Down. */
y += f;
if (y >= win->H)
y = win->H - 1;
if (y >= win->state.newy2 + 1)
y = win->state.newy2;
}
if (c == 'A') { /* Up. */
y -= f;
if (y < 0)
y = 0;
if (y <= win->state.newy1 - 1)
y = win->state.newy1;
}
term_wlocate(win, x, y);
break;
case 'X': /* Character erasing (ECH) */
if ((f = win->state.escparms[0]) == 0)
f = 1;
term_wclrch(win, f);
break;
case 'K': /* Line erasing */
switch (win->state.escparms[0]) {
case 0:
term_wclreol(win);
break;
case 1:
term_wclrbol(win);
break;
case 2:
term_wclrel(win);
break;
}
break;
case 'J': /* Screen erasing */
x = win->color;
y = win->attr;
if (win->state.vt_type == ANSI) {
term_wsetattr(win, XA_NORMAL);
term_wsetfgcol(win, WHITE);
term_wsetbgcol(win, BLACK);
}
switch (win->state.escparms[0]) {
case 0:
term_wclreos(win);
break;
case 1:
term_wclrbos(win);
break;
case 2:
term_winclr(win);
break;
}
if (win->state.vt_type == ANSI) {
win->color = x;
win->attr = y;
}
break;
case 'n': /* Requests / Reports */
switch(win->state.escparms[0]) {
case 5: /* Status */
v_termout(win, "\033[0n", 0);
break;
case 6: /* Cursor Position */
snprintf(temp, 32, "\033[%d;%dR", win->cursor_y + 1, win->cursor_x + 1);
v_termout(win, temp, 0);
break;
}
break;
case 'c': /* Identify Terminal Type */
if (win->state.vt_type == VT100) {
v_termout(win, "\033[?1;2c", 0);
break;
}
v_termout(win, "\033[?c", 0);
break;
case 'x': /* Request terminal parameters. */
/* Always answers 19200-8N1 no options. */
snprintf(temp, 32, "\033[%c;1;1;120;120;1;0x", win->state.escparms[0] == 1 ? '3' : '2');
v_termout(win, temp, 0);
break;
case 's': /* Save attributes and cursor position */
win->state.savex = win->cursor_x;
win->state.savey = win->cursor_y;
win->state.saveattr = win->attr;
win->state.savecol = win->color;
break;
case 'u': /* Restore them */
term_wsetfgcol(win, win->state.savecol);
term_wsetattr(win, win->state.saveattr);
term_wlocate(win, win->state.savex, win->state.savey);
break;
case 'h':
ansi_mode(win, 1);
break;
case 'l':
ansi_mode(win, 0);
break;
case 'H':
case 'f': /* Set cursor position */
if ((y = win->state.escparms[0]) == 0)
y = 1;
if ((x = win->state.escparms[1]) == 0)
x = 1;
if (win->state.vt_om)
y += win->state.newy1;
term_wlocate(win, x - 1, y - 1);
break;
case 'g': /* Clear tab stop(s) */
if (win->state.escparms[0] == 0) {
x = win->cursor_x;
if (x > 159)
x = 159;
win->state.vt_tabs[x / 32] &= ~(1 << x % 32);
}
if (win->state.escparms[0] == 3)
for(x = 0; x < 5; x++)
win->state.vt_tabs[x] = 0;
break;
case 'm': /* Set attributes */
attr = term_wgetattr((win));
for (f = 0; f <= win->state.ptr; f++) {
if (win->state.escparms[f] >= 30 && win->state.escparms[f] <= 37)
term_wsetfgcol(win, win->state.escparms[f] - 30);
if (win->state.escparms[f] >= 40 && win->state.escparms[f] <= 47)
term_wsetbgcol(win, win->state.escparms[f] - 40);
switch (win->state.escparms[f]) {
case 0:
attr = XA_NORMAL;
term_wsetfgcol(win, win->state.vt_fg);
term_wsetbgcol(win, win->state.vt_bg);
break;
case 4:
attr |= XA_UNDERLINE;
break;
case 7:
attr |= XA_REVERSE;
break;
case 1:
attr |= XA_BOLD;
break;
case 5:
attr |= XA_BLINK;
break;
case 22: /* Bold off */
attr &= ~XA_BOLD;
break;
case 24: /* Not underlined */
attr &=~XA_UNDERLINE;
break;
case 25: /* Not blinking */
attr &= ~XA_BLINK;
break;
case 27: /* Not reverse */
attr &= ~XA_REVERSE;
break;
case 39: /* Default fg color */
term_wsetfgcol(win, win->state.vt_fg);
break;
case 49: /* Default bg color */
term_wsetbgcol(win, win->state.vt_bg);
break;
}
}
term_wsetattr(win, attr);
break;
case 'L': /* Insert lines */
if ((x = win->state.escparms[0]) == 0)
x = 1;
for (f = 0; f < x; f++)
term_winsline(win);
break;
case 'M': /* Delete lines */
if ((x = win->state.escparms[0]) == 0)
x = 1;
for (f = 0; f < x; f++)
term_wdelline(win);
break;
case 'P': /* Delete Characters */
if ((x = win->state.escparms[0]) == 0)
x = 1;
for (f = 0; f < x; f++)
term_wdelchar(win);
break;
case '@': /* Insert Characters */
if ((x = win->state.escparms[0]) == 0)
x = 1;
for (f = 0; f < x; f++)
term_winschar(win, ' ', 0);
break;
case 'r': /* Set scroll region */
if ((win->state.newy1 = win->state.escparms[0]) == 0)
win->state.newy1 = 1;
if ((win->state.newy2 = win->state.escparms[1]) == 0)
win->state.newy2 = win->H;
win->state.newy1-- ; win->state.newy2--;
if (win->state.newy1 < 0)
win->state.newy1 = 0;
if (win->state.newy2 < 0)
win->state.newy2 = 0;
if (win->state.newy1 >= win->H)
win->state.newy1 = win->H - 1;
if (win->state.newy2 >= win->H)
win->state.newy2 = win->H - 1;
if (win->state.newy1 >= win->state.newy2) {
win->state.newy1 = 0;
win->state.newy2 = win->H - 1;
}
if(win->state.newy1 > win->state.newy2)
term_wsetregion(win, win->state.newy2, win->state.newy1);
else
term_wsetregion(win, win->state.newy1, win->state.newy2);
/// XXX xterm goes to 0,0 ?
term_wlocate(win, 0, win->state.newy1);
break;
case 'i': /* Printing */
case 'y': /* Self test modes */
case 'Z':
/* XXX:bt */
break;
default:
/* IGNORED */
break;
}
/* Ok, our escape sequence is all done */
esc_s = 0;
win->state.ptr = 0;
memset(win->state.escparms, 0, sizeof(win->state.escparms));
return;
}
/* ESC [? ... [hl] seen. */
static void dec_mode(term_t *win, int on_off)
{
int i;
for (i = 0; i <= win->state.ptr; i++) {
switch (win->state.escparms[i]) {
case 1: /* Cursor keys in cursor/appl mode */
win->state.vt_cursor = on_off ? APPL : NORMAL;
win->dec_mode[DEC_1] = on_off ? 1 : 0;
break;
case 6: /* Origin mode. */
win->state.vt_om = on_off;
term_wlocate(win, 0, win->state.newy1);
break;
case 7: /* Auto wrap */
win->wrap = on_off;
break;
case 25: /* Cursor on/off */
term_wcursor(win, on_off ? CNORMAL : CNONE);
break;
case 47:
break;
case 67: /* Backspace key sends. (FIXME: vt420) */
/* setbackspace(on_off ? 8 : 127); */
break;
default: /* Mostly set up functions */
/* IGNORED */
break;
}
}
}
/*
* ESC [ ? ... seen.
*/
static void state3(term_t *win, int c)
{
/* See if a number follows */
if (c >= '0' && c <= '9') {
win->state.escparms[win->state.ptr] = 10*win->state.escparms[win->state.ptr] + c - '0';
return;
}
switch (c) {
case 'h':
dec_mode(win, 1);
break;
case 'l':
dec_mode(win, 0);
break;
case 'i': /* Printing */
case 'n': /* Request printer status */
default:
/* IGNORED */
break;
}
esc_s = 0;
win->state.ptr = 0;
memset(win->state.escparms, 0, sizeof(win->state.escparms));
return;
}
/*
* ESC ( Seen.
*/
static void state4(term_t *win, int c)
{
/* Switch Character Sets. */
switch (c) {
case 'A':
case 'B':
break;
case '0':
case 'O':
break;
}
esc_s = 0;
}
/*
* ESC ) Seen.
*/
/* XXX:char set */
static void state5(term_t *win, int c)
{
/* Switch Character Sets. */
switch (c) {
case 'A':
case 'B':
break;
case 'O':
case '0':
/* default character set */
break;
}
esc_s = 0;
}
/*
* ESC # Seen.
*/
static void state6(term_t *win, int c)
{
int x, y;
/* Double height, double width and selftests. */
switch (c) {
case '8':
/* Selftest: fill screen with E's */
win->doscroll = 0;
term_wlocate(win, 0, 0);
for (y = 0; y < win->H; y++) {
term_wlocate(win, 0, y);
for (x = 0; x < win->W; x++)
term_wputc(win, 'E');
}
term_wlocate(win, 0, 0);
win->doscroll = 1;
term_wredraw(win, 1);
break;
default:
/* IGNORED */
break;
}
esc_s = 0;
}
/*
* ESC P Seen.
*/
static void state7(term_t *win, int c)
{
/*
* Device dependant control strings. The Minix virtual console package
* uses these sequences. We can only turn cursor on or off, because
* that's the only one supported in termcap. The rest is ignored.
*/
static char buf[17];
static int pos = 0;
static int state = 0;
if (c == ESC) {
state = 1;
return;
}
if (state == 1) {
buf[pos] = 0;
pos = 0;
state = 0;
esc_s = 0;
if (c != '\\')
return;
/* Process string here! */
if (!strcmp(buf, "cursor.on"))
term_wcursor(win, CNORMAL);
if (!strcmp(buf, "cursor.off"))
term_wcursor(win, CNONE);
if (!strcmp(buf, "linewrap.on")) {
win->state.vt_wrap = -1;
win->wrap = 1;
}
if (!strcmp(buf, "linewrap.off")) {
win->state.vt_wrap = -1;
win->wrap = 0;
}
return;
}
if (pos > 15)
return;
buf[pos++] = c;
}
void vt_out(struct term_t *pwin, unsigned int ch)
{
int f;
unsigned char c;
int go_on = 0;
wchar_t wc;
term_t *win;
win = (term_t *)pwin;
if (!ch)
return;
c = (unsigned char)ch;
if (win->state.vt_docap == 2) /* Literal. */
fputc(c, win->state.capfp);
/* Process <31 chars first, even in an escape sequence. */
switch (c) {
case '\r': /* Carriage return */
term_wputc(win, c);
if (win->state.vt_addlf) {
term_wputc(win, '\n');
if (win->state.vt_docap == 1)
fputc('\n', win->state.capfp);
}
break;
case '\t': /* Non - destructive TAB */
// printf("tab pants\n");
/* Find next tab stop. */
for (f = win->cursor_x + 1; f < 160; f++)
if (win->state.vt_tabs[f / 32] & (1 << f % 32))
break;
if (f >= win->W)
f = win->W - 1;
term_wlocate(win, f, win->cursor_y);
if (win->state.vt_docap == 1)
fputc(c, win->state.capfp);
break;
case 013: /* Old Minix: CTRL-K = up */
term_wlocate(win, win->cursor_x, win->cursor_y - 1);
break;
case '\f': /* Form feed: clear screen. */
term_winclr(win);
term_wlocate(win, 0, 0);
break;
case 14:
break;
case 15:
break;
case 24:
case 26: /* Cancel escape sequence. */
esc_s = 0;
break;
case ESC: /* Begin escape sequence */
esc_s = 1;
break;
case 128+ESC: /* Begin ESC [ sequence. */
esc_s = 2;
break;
case '\n':
case '\b':
case 7: /* Bell */
term_wputc(win, c);
if (win->state.vt_docap == 1)
fputc(c, win->state.capfp);
break;
default:
go_on = 1;
break;
}
if (!go_on)
return;
/* Now see which state we are in. */
switch (esc_s) {
case 0: /* Normal character */
/* XXX:mappers */
c&=0xff;
if (!win->state.enable_iconv) {
one_mbtowc ((char *)&wc, (char *)&c, 1);
if (win->state.vt_insert)
term_winschar(win, wc, 1);
else
term_wputc(win, wc);
} else
term_wputc(win, c);
break;
case 1: /* ESC seen */
state1(win, c);
break;
case 2: /* ESC [ ... seen */
state2(win, c);
break;
case 3:
state3(win, c);
break;
case 4:
state4(win, c);
break;
case 5:
state5(win, c);
break;
case 6:
state6(win, c);
break;
case 7:
state7(win,c);
break;
}
}
/* Translate keycode to escape sequence. */
void vt_send(struct term_t *pwin, unsigned int c)
{
term_t *win = (term_t *)pwin;
char s[3];
int f;
int len = 1;
/* Special key? */
if (c < 256) {
/* Translate backspace key? */
if (c == K_ERA)
c = win->state.vt_bs;
s[0] = c;
s[1] = 0;
/* CR/LF mode? */
if (c == '\r' && win->state.vt_crlf) {
s[1] = '\n';
s[2] = 0;
len = 2;
}
v_termout(win, s, len);
if (win->state.vt_nl_delay > 0 && c == '\r')
usleep(1000 * win->state.vt_nl_delay);
return;
}
/* Look up code in translation table. */
for (f = 0; vt_keys[f].code; f++)
if (vt_keys[f].code == c)
break;
if (vt_keys[f].code == 0)
return;
/* Now send appropriate escape code. */
v_termout(win, "\33", 0);
if (win->state.vt_type == VT100) {
if (win->state.vt_cursor == NORMAL)
v_termout(win, vt_keys[f].vt100_st, 0);
else
v_termout(win, vt_keys[f].vt100_app, 0);
} else
v_termout(win, vt_keys[f].ansi, 0);
}
#undef W
#undef H
#define W win->ws_conf.ws_col
#define H win->ws_conf.ws_row
/* insert a character at cursor position */
/* XXX:winschar */
void term_winschar(term_t *win, unsigned char c, int move) {
int i;
#ifdef DEBUG
printf("term_winschar\n");
#endif
for(i=win->ws_conf.ws_col-1;i!=win->cursor_x;i--) {
win->chars[i+(win->cursor_y*win->ws_conf.ws_col)+1].text =
win->chars[i + (win->cursor_y * win->ws_conf.ws_col) ].text;
win->chars[ i + (win->cursor_y * win->ws_conf.ws_col) +1 ].col =
win->chars[i + (win->cursor_y * win->ws_conf.ws_col) ].col;
win->chars[ i + (win->cursor_y * win->ws_conf.ws_col) +1 ].attrib =
win->chars[i + (win->cursor_y * win->ws_conf.ws_col) ].attrib;
}
win->chars[win->cursor_x+(win->cursor_y*win->ws_conf.ws_col)].text = c;
win->chars[ win->cursor_x + (win->cursor_y * win->ws_conf.ws_col)].col =
win->color;
win->chars[win->cursor_x + (win->cursor_y * win->ws_conf.ws_col)].attrib =
win->attr;
term_wmove(win, RIGHT);
}
/* print a character */
void term_wputc(term_t *win, unsigned char c) {
#ifdef DEBUG
printf("term_wputc %x\n", c);
#endif