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Handle DSR for resize(1).

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This commit is contained in:
Nicholas Marriott
2007-10-24 15:29:29 +00:00
parent e21587864a
commit ebeb14211d
4 changed files with 61 additions and 47 deletions
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59
input.c
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@ -1,4 +1,4 @@
/* $Id: input.c,v 1.26 2007-10-24 15:01:25 nicm Exp $ */
/* $Id: input.c,v 1.27 2007-10-24 15:29:28 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -73,6 +73,7 @@ void input_handle_sequence_sm(struct input_ctx *);
void input_handle_sequence_rm(struct input_ctx *);
void input_handle_sequence_decstbm(struct input_ctx *);
void input_handle_sequence_sgr(struct input_ctx *);
void input_handle_sequence_dsr(struct input_ctx *);
int
input_new_argument(struct input_ctx *ictx)
@ -124,32 +125,35 @@ input_get_argument(struct input_ctx *ictx, u_int i, uint16_t *n, uint16_t d)
}
void
input_init(struct input_ctx *ictx, struct screen *s)
input_init(struct window *w)
{
ictx->s = s;
ARRAY_INIT(&w->ictx.args);
ARRAY_INIT(&ictx->args);
ictx->state = input_state_first;
w->ictx.state = input_state_first;
}
void
input_free(struct input_ctx *ictx)
input_free(struct window *w)
{
ARRAY_FREE(&ictx->args);
ARRAY_FREE(&w->ictx.args);
}
void
input_parse(struct input_ctx *ictx, u_char *buf, size_t len, struct buffer *b)
input_parse(struct window *w, struct buffer *b)
{
u_char ch;
struct input_ctx *ictx = &w->ictx;
u_char ch;
ictx->buf = buf;
ictx->len = len;
if (BUFFER_USED(w->in) == 0)
return;
ictx->buf = BUFFER_OUT(w->in);
ictx->len = BUFFER_USED(w->in);
ictx->off = 0;
ictx->w = w;
ictx->s = &w->screen;
ictx->b = b;
ictx->flags = 0;
log_debug2("entry; buffer=%zu", ictx->len);
@ -157,6 +161,8 @@ input_parse(struct input_ctx *ictx, u_char *buf, size_t len, struct buffer *b)
ch = ictx->buf[ictx->off++];
ictx->state = ictx->state(ch, ictx);
}
buffer_remove(w->in, ictx->len);
}
void *
@ -389,7 +395,7 @@ input_handle_c0_control(u_char ch, struct input_ctx *ictx)
ictx->s->cx = 0;
break;
case '\007': /* BELL */
ictx->flags |= INPUT_BELL;
ictx->w->flags |= WINDOW_BELL;
return;
case '\010': /* BS */
if (ictx->s->cx > 0)
@ -493,6 +499,7 @@ input_handle_sequence(u_char ch, struct input_ctx *ictx)
{ 'h', input_handle_sequence_sm },
{ 'l', input_handle_sequence_rm },
{ 'm', input_handle_sequence_sgr },
{ 'n', input_handle_sequence_dsr },
{ 'r', input_handle_sequence_decstbm },
};
u_int i;
@ -929,6 +936,30 @@ input_handle_sequence_rm(struct input_ctx *ictx)
}
}
void
input_handle_sequence_dsr(struct input_ctx *ictx)
{
uint16_t n;
char reply[32];
if (ARRAY_LENGTH(&ictx->args) > 1)
return;
if (input_get_argument(ictx, 0, &n, 0) != 0)
return;
if (ictx->private == '\0') {
switch (n) {
case 6: /* cursor position */
xsnprintf(reply, sizeof reply,
"\033[%u;%uR", ictx->s->cy + 1, ictx->s->cx + 1);
log_debug("cursor request, reply: %s", reply);
buffer_write(ictx->w->out, reply, strlen(reply));
break;
}
}
}
void
input_handle_sequence_decstbm(struct input_ctx *ictx)
{