mirror of
https://github.com/tmate-io/tmate.git
synced 2024-12-18 12:50:39 +01:00
737 lines
17 KiB
C
737 lines
17 KiB
C
/* $Id: status.c,v 1.62 2009-01-14 19:29:32 nicm Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
|
|
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
char *status_replace(struct session *, char *, time_t);
|
|
size_t status_width(struct winlink *);
|
|
char *status_print(struct session *, struct winlink *, struct grid_cell *);
|
|
|
|
void status_prompt_add_history(struct client *);
|
|
char *status_prompt_complete(const char *);
|
|
|
|
/* Draw status for client on the last lines of given context. */
|
|
void
|
|
status_redraw(struct client *c)
|
|
{
|
|
struct screen_write_ctx ctx;
|
|
struct session *s = c->session;
|
|
struct winlink *wl;
|
|
struct window_pane *wp;
|
|
struct screen *sc;
|
|
char *left, *right, *text, *ptr;
|
|
size_t llen, rlen, offset, xx, yy, sy;
|
|
size_t size, start, width;
|
|
struct grid_cell gc;
|
|
int larrow, rarrow;
|
|
|
|
left = right = NULL;
|
|
|
|
if (c->sy == 0 || !options_get_number(&s->options, "status"))
|
|
goto off;
|
|
larrow = rarrow = 0;
|
|
|
|
if (gettimeofday(&c->status_timer, NULL) != 0)
|
|
fatal("gettimeofday");
|
|
memcpy(&gc, &grid_default_cell, sizeof gc);
|
|
gc.fg = options_get_number(&s->options, "status-fg");
|
|
gc.bg = options_get_number(&s->options, "status-bg");
|
|
|
|
yy = c->sy - 1;
|
|
if (yy == 0)
|
|
goto blank;
|
|
|
|
left = status_replace(s, options_get_string(
|
|
&s->options, "status-left"), c->status_timer.tv_sec);
|
|
llen = options_get_number(&s->options, "status-left-length");
|
|
if (strlen(left) < llen)
|
|
llen = strlen(left);
|
|
left[llen] = '\0';
|
|
|
|
right = status_replace(s, options_get_string(
|
|
&s->options, "status-right"), c->status_timer.tv_sec);
|
|
rlen = options_get_number(&s->options, "status-right-length");
|
|
if (strlen(right) < rlen)
|
|
rlen = strlen(right);
|
|
right[rlen] = '\0';
|
|
|
|
/*
|
|
* Figure out how much space we have for the window list. If there isn't
|
|
* enough space, just wimp out.
|
|
*/
|
|
xx = 0;
|
|
if (llen != 0)
|
|
xx += llen + 1;
|
|
if (rlen != 0)
|
|
xx += rlen + 1;
|
|
if (c->sx == 0 || c->sx <= xx)
|
|
goto blank;
|
|
xx = c->sx - xx;
|
|
|
|
/*
|
|
* Right. We have xx characters to fill. Find out how much is to go in
|
|
* them and the offset of the current window (it must be on screen).
|
|
*/
|
|
width = offset = 0;
|
|
RB_FOREACH(wl, winlinks, &s->windows) {
|
|
size = status_width(wl) + 1;
|
|
if (wl == s->curw)
|
|
offset = width;
|
|
width += size;
|
|
}
|
|
start = 0;
|
|
|
|
/* If there is enough space for the total width, all is gravy. */
|
|
if (width <= xx)
|
|
goto draw;
|
|
|
|
/* Find size of current window text. */
|
|
size = status_width(s->curw);
|
|
|
|
/*
|
|
* If the offset is already on screen, we're good to draw from the
|
|
* start and just leave off the end.
|
|
*/
|
|
if (offset + size < xx) {
|
|
if (xx > 0) {
|
|
rarrow = 1;
|
|
xx--;
|
|
}
|
|
|
|
width = xx;
|
|
goto draw;
|
|
}
|
|
|
|
/*
|
|
* Work out how many characters we need to omit from the start. There
|
|
* are xx characters to fill, and offset + size must be the last. So,
|
|
* the start character is offset + size - xx.
|
|
*/
|
|
if (xx > 0) {
|
|
larrow = 1;
|
|
xx--;
|
|
}
|
|
|
|
start = offset + size - xx;
|
|
if (xx > 0 && width > start + xx + 1) { /* + 1, eh? */
|
|
rarrow = 1;
|
|
start++;
|
|
xx--;
|
|
}
|
|
width = xx;
|
|
|
|
draw:
|
|
/* Resize the target screen. */
|
|
if (screen_size_x(&c->status) != c->sx) {
|
|
screen_free(&c->status);
|
|
screen_init(&c->status, c->sx, 1, 0);
|
|
}
|
|
|
|
/* Bail here if anything is too small too. XXX. */
|
|
if (width == 0 || xx == 0)
|
|
goto blank;
|
|
|
|
/* Begin drawing and move to the starting position. */
|
|
screen_write_start(&ctx, NULL, &c->status);
|
|
if (llen != 0) {
|
|
screen_write_cursormove(&ctx, 0, yy);
|
|
screen_write_puts(&ctx, &gc, "%s ", left);
|
|
if (larrow)
|
|
screen_write_putc(&ctx, &gc, ' ');
|
|
} else {
|
|
if (larrow)
|
|
screen_write_cursormove(&ctx, 1, yy);
|
|
else
|
|
screen_write_cursormove(&ctx, 0, yy);
|
|
}
|
|
|
|
/* Draw each character in succession. */
|
|
offset = 0;
|
|
RB_FOREACH(wl, winlinks, &s->windows) {
|
|
text = status_print(s, wl, &gc);
|
|
|
|
if (larrow == 1 && offset < start) {
|
|
if (session_alert_has(s, wl, WINDOW_ACTIVITY))
|
|
larrow = -1;
|
|
if (session_alert_has(s, wl, WINDOW_BELL))
|
|
larrow = -1;
|
|
}
|
|
|
|
for (ptr = text; *ptr != '\0'; ptr++) {
|
|
if (offset >= start && offset < start + width)
|
|
screen_write_putc(&ctx, &gc, *ptr);
|
|
offset++;
|
|
}
|
|
|
|
if (rarrow == 1 && offset > start + width) {
|
|
if (session_alert_has(s, wl, WINDOW_ACTIVITY))
|
|
rarrow = -1;
|
|
if (session_alert_has(s, wl, WINDOW_BELL))
|
|
rarrow = -1;
|
|
}
|
|
|
|
gc.attr &= ~GRID_ATTR_REVERSE;
|
|
if (offset < start + width) {
|
|
if (offset >= start) {
|
|
screen_write_putc(&ctx, &gc, ' ');
|
|
}
|
|
offset++;
|
|
}
|
|
|
|
xfree(text);
|
|
}
|
|
|
|
/* Fill the remaining space if any. */
|
|
while (offset++ < xx)
|
|
screen_write_putc(&ctx, &gc, ' ');
|
|
|
|
/* Draw the last item. */
|
|
if (rlen != 0) {
|
|
screen_write_cursormove(&ctx, c->sx - rlen - 1, yy);
|
|
screen_write_puts(&ctx, &gc, " %s", right);
|
|
}
|
|
|
|
/* Draw the arrows. */
|
|
if (larrow != 0) {
|
|
if (larrow == -1)
|
|
gc.attr |= GRID_ATTR_REVERSE;
|
|
else
|
|
gc.attr &= ~GRID_ATTR_REVERSE;
|
|
if (llen != 0)
|
|
screen_write_cursormove(&ctx, llen + 1, yy);
|
|
else
|
|
screen_write_cursormove(&ctx, 0, yy);
|
|
screen_write_putc(&ctx, &gc, '<');
|
|
gc.attr &= ~GRID_ATTR_REVERSE;
|
|
}
|
|
if (rarrow != 0) {
|
|
if (rarrow == -1)
|
|
gc.attr |= GRID_ATTR_REVERSE;
|
|
else
|
|
gc.attr &= ~GRID_ATTR_REVERSE;
|
|
if (rlen != 0)
|
|
screen_write_cursormove(&ctx, c->sx - rlen - 2, yy);
|
|
else
|
|
screen_write_cursormove(&ctx, c->sx - 1, yy);
|
|
screen_write_putc(&ctx, &gc, '>');
|
|
gc.attr &= ~GRID_ATTR_REVERSE;
|
|
}
|
|
|
|
goto out;
|
|
|
|
blank:
|
|
/* Just draw the whole line as blank. */
|
|
screen_write_start(&ctx, NULL, &c->status);
|
|
screen_write_cursormove(&ctx, 0, yy);
|
|
for (offset = 0; offset < c->sx; offset++)
|
|
screen_write_putc(&ctx, &gc, ' ');
|
|
|
|
goto out;
|
|
|
|
off:
|
|
/*
|
|
* Draw the real window last line. Necessary to wipe over message if
|
|
* status is off. Not sure this is the right place for this.
|
|
*/
|
|
screen_write_start(&ctx, NULL, &c->status);
|
|
|
|
sy = 0;
|
|
TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
|
|
sy += wp->sy;
|
|
sc = wp->screen;
|
|
}
|
|
sy++;
|
|
|
|
screen_write_cursormove(&ctx, 0, 0);
|
|
if (sy < c->sy - 1) {
|
|
/* If the screen is too small, use blank. */
|
|
for (offset = 0; offset < c->sx; offset++)
|
|
screen_write_putc(&ctx, &gc, ' ');
|
|
} else {
|
|
screen_write_copy(&ctx,
|
|
sc, 0, sc->grid->hsize + screen_size_y(sc) - 1, c->sx, 1);
|
|
}
|
|
|
|
out:
|
|
screen_write_stop(&ctx);
|
|
|
|
if (left != NULL)
|
|
xfree(left);
|
|
if (right != NULL)
|
|
xfree(right);
|
|
}
|
|
|
|
char *
|
|
status_replace(struct session *s, char *fmt, time_t t)
|
|
{
|
|
struct winlink *wl = s->curw;
|
|
static char out[BUFSIZ];
|
|
char in[BUFSIZ], ch, *iptr, *optr, *ptr, *endptr;
|
|
size_t len;
|
|
long n;
|
|
|
|
strftime(in, sizeof in, fmt, localtime(&t));
|
|
in[(sizeof in) - 1] = '\0';
|
|
|
|
iptr = in;
|
|
optr = out;
|
|
|
|
while (*iptr != '\0') {
|
|
if (optr >= out + (sizeof out) - 1)
|
|
break;
|
|
switch (ch = *iptr++) {
|
|
case '#':
|
|
errno = 0;
|
|
n = strtol(iptr, &endptr, 10);
|
|
if ((n == 0 && errno != EINVAL) ||
|
|
(n == LONG_MIN && errno != ERANGE) ||
|
|
(n == LONG_MAX && errno != ERANGE) ||
|
|
n != 0)
|
|
iptr = endptr;
|
|
if (n <= 0)
|
|
n = LONG_MAX;
|
|
|
|
switch (*iptr++) {
|
|
case 'T':
|
|
ptr = wl->window->active->base.title;
|
|
len = strlen(ptr);
|
|
if ((size_t) n < len)
|
|
len = n;
|
|
if (optr + len >= out + (sizeof out) - 1)
|
|
break;
|
|
while (len > 0 && *ptr != '\0') {
|
|
*optr++ = *ptr++;
|
|
len--;
|
|
}
|
|
break;
|
|
case '#':
|
|
*optr++ = '#';
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
*optr++ = ch;
|
|
break;
|
|
}
|
|
}
|
|
*optr = '\0';
|
|
|
|
return (xstrdup(out));
|
|
}
|
|
|
|
size_t
|
|
status_width(struct winlink *wl)
|
|
{
|
|
#ifndef BROKEN_VSNPRINTF
|
|
return (xsnprintf(NULL, 0, "%d:%s ", wl->idx, wl->window->name));
|
|
#else
|
|
char *s;
|
|
size_t n;
|
|
|
|
xasprintf(&s, "%d:%s ", wl->idx, wl->window->name);
|
|
n = strlen(s);
|
|
xfree(s);
|
|
|
|
return (n);
|
|
#endif
|
|
}
|
|
|
|
char *
|
|
status_print(struct session *s, struct winlink *wl, struct grid_cell *gc)
|
|
{
|
|
char *text, flag;
|
|
|
|
flag = ' ';
|
|
if (wl == SLIST_FIRST(&s->lastw))
|
|
flag = '-';
|
|
if (wl == s->curw)
|
|
flag = '*';
|
|
|
|
gc->attr &= ~GRID_ATTR_REVERSE;
|
|
if (session_alert_has(s, wl, WINDOW_ACTIVITY)) {
|
|
flag = '#';
|
|
gc->attr |= GRID_ATTR_REVERSE;
|
|
}
|
|
if (session_alert_has(s, wl, WINDOW_BELL)) {
|
|
flag = '!';
|
|
gc->attr |= GRID_ATTR_REVERSE;
|
|
}
|
|
|
|
xasprintf(&text, "%d:%s%c", wl->idx, wl->window->name, flag);
|
|
return (text);
|
|
}
|
|
|
|
/* Draw client message on status line of present else on last line. */
|
|
void
|
|
status_message_redraw(struct client *c)
|
|
{
|
|
struct screen_write_ctx ctx;
|
|
struct session *s = c->session;
|
|
size_t len;
|
|
struct grid_cell gc;
|
|
|
|
if (c->sx == 0 || c->sy == 0)
|
|
return;
|
|
if (screen_size_x(&c->status) != c->sx) {
|
|
screen_free(&c->status);
|
|
screen_init(&c->status, c->sx, 1, 0);
|
|
}
|
|
|
|
len = strlen(c->message_string);
|
|
if (len > c->sx)
|
|
len = c->sx;
|
|
|
|
memcpy(&gc, &grid_default_cell, sizeof gc);
|
|
gc.fg = options_get_number(&s->options, "message-fg");
|
|
gc.bg = options_get_number(&s->options, "message-bg");
|
|
|
|
screen_write_start(&ctx, NULL, &c->status);
|
|
|
|
screen_write_cursormove(&ctx, 0, 0);
|
|
screen_write_puts(&ctx, &gc, "%.*s", (int) len, c->message_string);
|
|
for (; len < c->sx; len++)
|
|
screen_write_putc(&ctx, &gc, ' ');
|
|
|
|
screen_write_stop(&ctx);
|
|
}
|
|
|
|
/* Draw client prompt on status line of present else on last line. */
|
|
void
|
|
status_prompt_redraw(struct client *c)
|
|
{
|
|
struct screen_write_ctx ctx;
|
|
struct session *s = c->session;
|
|
size_t i, size, left, len, offset, n;
|
|
char ch;
|
|
struct grid_cell gc;
|
|
|
|
if (c->sx == 0 || c->sy == 0)
|
|
return;
|
|
if (screen_size_x(&c->status) != c->sx) {
|
|
screen_free(&c->status);
|
|
screen_init(&c->status, c->sx, 1, 0);
|
|
}
|
|
offset = 0;
|
|
|
|
len = strlen(c->prompt_string);
|
|
if (len > c->sx)
|
|
len = c->sx;
|
|
|
|
memcpy(&gc, &grid_default_cell, sizeof gc);
|
|
gc.fg = options_get_number(&s->options, "message-fg");
|
|
gc.bg = options_get_number(&s->options, "message-bg");
|
|
|
|
screen_write_start(&ctx, NULL, &c->status);
|
|
|
|
screen_write_cursormove(&ctx, 0, 0);
|
|
screen_write_puts(&ctx, &gc, "%.*s", (int) len, c->prompt_string);
|
|
|
|
left = c->sx - len;
|
|
if (left != 0) {
|
|
if (c->prompt_index < left)
|
|
size = strlen(c->prompt_buffer);
|
|
else {
|
|
offset = c->prompt_index - left - 1;
|
|
if (c->prompt_index == strlen(c->prompt_buffer))
|
|
left--;
|
|
size = left;
|
|
}
|
|
if (c->prompt_hidden) {
|
|
n = strlen(c->prompt_buffer);
|
|
if (n > left)
|
|
n = left;
|
|
for (i = 0; i < n; i++)
|
|
screen_write_putc(&ctx, &gc, '*');
|
|
} else {
|
|
screen_write_puts(&ctx, &gc,
|
|
"%.*s", (int) left, c->prompt_buffer + offset);
|
|
}
|
|
|
|
for (i = len + size; i < c->sx; i++)
|
|
screen_write_putc(&ctx, &gc, ' ');
|
|
}
|
|
|
|
/* Draw a fake cursor. */
|
|
screen_write_cursormove(&ctx, len + c->prompt_index - offset, 0);
|
|
if (c->prompt_index == strlen(c->prompt_buffer))
|
|
ch = ' ';
|
|
else
|
|
ch = c->prompt_buffer[c->prompt_index];
|
|
if (ch == '\0')
|
|
ch = ' ';
|
|
gc.bg = gc.fg;
|
|
gc.fg = options_get_number(&s->options, "message-bg");
|
|
screen_write_putc(&ctx, &gc, ch);
|
|
|
|
screen_write_stop(&ctx);
|
|
}
|
|
|
|
/* Handle keys in prompt. */
|
|
void
|
|
status_prompt_key(struct client *c, int key)
|
|
{
|
|
char *s, *first, *last;
|
|
size_t size, n, off, idx;
|
|
char word[64];
|
|
|
|
/* XXX This function needs some tidying... */
|
|
|
|
size = strlen(c->prompt_buffer);
|
|
switch (key) {
|
|
case KEYC_LEFT:
|
|
if (c->prompt_index > 0) {
|
|
c->prompt_index--;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case KEYC_RIGHT:
|
|
if (c->prompt_index < size) {
|
|
c->prompt_index++;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case '\001': /* C-a */
|
|
if (c->prompt_index != 0) {
|
|
c->prompt_index = 0;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case '\005': /* C-e */
|
|
if (c->prompt_index != size) {
|
|
c->prompt_index = size;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case '\011':
|
|
if (*c->prompt_buffer == '\0')
|
|
break;
|
|
|
|
idx = c->prompt_index;
|
|
if (idx != 0)
|
|
idx--;
|
|
|
|
/* Find the word we are in. */
|
|
first = c->prompt_buffer + idx;
|
|
while (first > c->prompt_buffer && *first != ' ')
|
|
first--;
|
|
while (*first == ' ')
|
|
first++;
|
|
last = c->prompt_buffer + idx;
|
|
while (*last != '\0' && *last != ' ')
|
|
last++;
|
|
while (*last == ' ')
|
|
last--;
|
|
if (*last != '\0')
|
|
last++;
|
|
if (last <= first ||
|
|
((size_t) (last - first)) > (sizeof word) - 1)
|
|
break;
|
|
memcpy(word, first, last - first);
|
|
word[last - first] = '\0';
|
|
|
|
/* And try to complete it. */
|
|
if ((s = status_prompt_complete(word)) == NULL)
|
|
break;
|
|
|
|
/* Trim out word. */
|
|
n = size - (last - c->prompt_buffer) + 1; /* with \0 */
|
|
memmove(first, last, n);
|
|
size -= last - first;
|
|
|
|
/* Insert the new word. */
|
|
size += strlen(s);
|
|
off = first - c->prompt_buffer;
|
|
c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
|
|
first = c->prompt_buffer + off;
|
|
memmove(first + strlen(s), first, n);
|
|
memcpy(first, s, strlen(s));
|
|
|
|
c->prompt_index = (first - c->prompt_buffer) + strlen(s);
|
|
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case '\010':
|
|
case '\177':
|
|
if (c->prompt_index != 0) {
|
|
if (c->prompt_index == size)
|
|
c->prompt_buffer[--c->prompt_index] = '\0';
|
|
else {
|
|
memmove(c->prompt_buffer + c->prompt_index - 1,
|
|
c->prompt_buffer + c->prompt_index,
|
|
size + 1 - c->prompt_index);
|
|
c->prompt_index--;
|
|
}
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case KEYC_DC:
|
|
if (c->prompt_index != size) {
|
|
memmove(c->prompt_buffer + c->prompt_index,
|
|
c->prompt_buffer + c->prompt_index + 1,
|
|
size + 1 - c->prompt_index);
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case KEYC_UP:
|
|
if (ARRAY_LENGTH(&c->prompt_hdata) == 0)
|
|
break;
|
|
xfree(c->prompt_buffer);
|
|
|
|
c->prompt_buffer = xstrdup(ARRAY_ITEM(&c->prompt_hdata,
|
|
ARRAY_LENGTH(&c->prompt_hdata) - 1 - c->prompt_hindex));
|
|
if (c->prompt_hindex != ARRAY_LENGTH(&c->prompt_hdata) - 1)
|
|
c->prompt_hindex++;
|
|
|
|
c->prompt_index = strlen(c->prompt_buffer);
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case KEYC_DOWN:
|
|
xfree(c->prompt_buffer);
|
|
|
|
if (c->prompt_hindex != 0) {
|
|
c->prompt_hindex--;
|
|
c->prompt_buffer = xstrdup(ARRAY_ITEM(
|
|
&c->prompt_hdata, ARRAY_LENGTH(
|
|
&c->prompt_hdata) - 1 - c->prompt_hindex));
|
|
} else
|
|
c->prompt_buffer = xstrdup("");
|
|
|
|
c->prompt_index = strlen(c->prompt_buffer);
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case '\r': /* enter */
|
|
if (*c->prompt_buffer != '\0') {
|
|
status_prompt_add_history(c);
|
|
if (c->prompt_callback(
|
|
c->prompt_data, c->prompt_buffer) == 0)
|
|
server_clear_client_prompt(c);
|
|
break;
|
|
}
|
|
/* FALLTHROUGH */
|
|
case '\033': /* escape */
|
|
if (c->prompt_callback(c->prompt_data, NULL) == 0)
|
|
server_clear_client_prompt(c);
|
|
break;
|
|
default:
|
|
if (key < 32)
|
|
break;
|
|
c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
|
|
|
|
if (c->prompt_index == size) {
|
|
c->prompt_buffer[c->prompt_index++] = key;
|
|
c->prompt_buffer[c->prompt_index] = '\0';
|
|
} else {
|
|
memmove(c->prompt_buffer + c->prompt_index + 1,
|
|
c->prompt_buffer + c->prompt_index,
|
|
size + 1 - c->prompt_index);
|
|
c->prompt_buffer[c->prompt_index++] = key;
|
|
}
|
|
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Add line to the history. */
|
|
void
|
|
status_prompt_add_history(struct client *c)
|
|
{
|
|
if (ARRAY_LENGTH(&c->prompt_hdata) > 0 &&
|
|
strcmp(ARRAY_LAST(&c->prompt_hdata), c->prompt_buffer) == 0)
|
|
return;
|
|
|
|
if (ARRAY_LENGTH(&c->prompt_hdata) == PROMPT_HISTORY) {
|
|
xfree(ARRAY_FIRST(&c->prompt_hdata));
|
|
ARRAY_REMOVE(&c->prompt_hdata, 0);
|
|
}
|
|
|
|
ARRAY_ADD(&c->prompt_hdata, xstrdup(c->prompt_buffer));
|
|
}
|
|
|
|
/* Complete word. */
|
|
char *
|
|
status_prompt_complete(const char *s)
|
|
{
|
|
const struct cmd_entry **cmdent;
|
|
const struct set_option_entry *optent;
|
|
ARRAY_DECL(, const char *) list;
|
|
char *prefix, *s2;
|
|
u_int i;
|
|
size_t j;
|
|
|
|
if (*s == '\0')
|
|
return (NULL);
|
|
|
|
/* First, build a list of all the possible matches. */
|
|
ARRAY_INIT(&list);
|
|
for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
|
|
if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
|
|
ARRAY_ADD(&list, (*cmdent)->name);
|
|
}
|
|
for (i = 0; i < NSETOPTION; i++) {
|
|
optent = &set_option_table[i];
|
|
if (strncmp(optent->name, s, strlen(s)) == 0)
|
|
ARRAY_ADD(&list, optent->name);
|
|
}
|
|
for (i = 0; i < NSETWINDOWOPTION; i++) {
|
|
optent = &set_window_option_table[i];
|
|
if (strncmp(optent->name, s, strlen(s)) == 0)
|
|
ARRAY_ADD(&list, optent->name);
|
|
}
|
|
|
|
/* If none, bail now. */
|
|
if (ARRAY_LENGTH(&list) == 0) {
|
|
ARRAY_FREE(&list);
|
|
return (NULL);
|
|
}
|
|
|
|
/* If an exact match, return it, with a trailing space. */
|
|
if (ARRAY_LENGTH(&list) == 1) {
|
|
xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
|
|
ARRAY_FREE(&list);
|
|
return (s2);
|
|
}
|
|
|
|
/* Now loop through the list and find the longest common prefix. */
|
|
prefix = xstrdup(ARRAY_FIRST(&list));
|
|
for (i = 1; i < ARRAY_LENGTH(&list); i++) {
|
|
s = ARRAY_ITEM(&list, i);
|
|
|
|
j = strlen(s);
|
|
if (j > strlen(prefix))
|
|
j = strlen(prefix);
|
|
for (; j > 0; j--) {
|
|
if (prefix[j - 1] != s[j - 1])
|
|
prefix[j - 1] = '\0';
|
|
}
|
|
}
|
|
|
|
ARRAY_FREE(&list);
|
|
return (prefix);
|
|
}
|