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Sync OpenBSD patchset 969:

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Support for \e[3J to clear the history. Also send the corresponding
terminfo code (E3) before locking.
This commit is contained in:
Tiago Cunha 2011-10-23 15:10:22 +00:00
parent a8ca1340ad
commit 03ee7f7edf
5 changed files with 26 additions and 0 deletions
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11
input.c
View File

@ -1126,6 +1126,17 @@ input_csi_dispatch(struct input_ctx *ictx)
case 2:
screen_write_clearscreen(sctx);
break;
case 3:
switch (input_get(ictx, 1, 0, 0)) {
case 0:
/*
* Linux console extension to clear history
* (for example before locking the screen).
*/
screen_write_clearhistory(sctx);
break;
}
break;
default:
log_debug("%s: unknown '%c'", __func__, ictx->ch);
break;

11
screen-write.c
View File

@ -985,6 +985,17 @@ screen_write_clearscreen(struct screen_write_ctx *ctx)
tty_write(tty_cmd_clearscreen, &ttyctx);
}
/* Clear entire history. */
void
screen_write_clearhistory(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
struct grid *gd = s->grid;
grid_move_lines(gd, 0, gd->hsize, gd->sy);
gd->hsize = 0;
}
/* Write cell data. */
void
screen_write_cell(struct screen_write_ctx *ctx,

1
server-fn.c
View File

@ -237,6 +237,7 @@ server_lock_client(struct client *c)
tty_stop_tty(&c->tty);
tty_raw(&c->tty, tty_term_string(c->tty.term, TTYC_SMCUP));
tty_raw(&c->tty, tty_term_string(c->tty.term, TTYC_CLEAR));
tty_raw(&c->tty, tty_term_string(c->tty.term, TTYC_E3));
c->flags |= CLIENT_SUSPENDED;
server_write_client(c, MSG_LOCK, &lockdata, sizeof lockdata);

2
tmux.h
View File

@ -202,6 +202,7 @@ enum tty_code_code {
TTYC_DIM, /* enter_dim_mode, mh */
TTYC_DL, /* parm_delete_line, DL */
TTYC_DL1, /* delete_line, dl */
TTYC_E3,
TTYC_EL, /* clr_eol, ce */
TTYC_EL1, /* clr_bol, cb */
TTYC_ENACS, /* ena_acs, eA */
@ -1862,6 +1863,7 @@ void screen_write_kkeypadmode(struct screen_write_ctx *, int);
void screen_write_clearendofscreen(struct screen_write_ctx *);
void screen_write_clearstartofscreen(struct screen_write_ctx *);
void screen_write_clearscreen(struct screen_write_ctx *);
void screen_write_clearhistory(struct screen_write_ctx *);
void screen_write_cell(struct screen_write_ctx *,
const struct grid_cell *, const struct utf8_data *);
void screen_write_setselection(struct screen_write_ctx *, u_char *, u_int);

1
tty-term.c
View File

@ -64,6 +64,7 @@ const struct tty_term_code_entry tty_term_codes[NTTYCODE] = {
{ TTYC_DIM, TTYCODE_STRING, "dim" },
{ TTYC_DL, TTYCODE_STRING, "dl" },
{ TTYC_DL1, TTYCODE_STRING, "dl1" },
{ TTYC_E3, TTYCODE_STRING, "E3" },
{ TTYC_EL, TTYCODE_STRING, "el" },
{ TTYC_EL1, TTYCODE_STRING, "el1" },
{ TTYC_ENACS, TTYCODE_STRING, "enacs" },