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tty: Add option to forward unrequested escape sequence

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Adds an option "forward-unrequested-escseq" for tmux to forward
unrequested escape sequences to the client. For example, when an OSC 52
escape sequence is received outside a designated TTY_OSC52QUERY context,
it will be passed on to the client application if the option is on,
otherwise it's discarded.
This commit is contained in:
holio0
2024-10-17 10:34:45 +08:00
parent 46f3846659
commit 8ca212579a
3 changed files with 17 additions and 2 deletions
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8
options-table.c
View File

@@ -448,6 +448,14 @@ const struct options_table_entry options_table[] = {
"'User0', 'User1' and so on." "'User0', 'User1' and so on."
}, },
{ .name = "forward-unrequested-escseq",
.type = OPTIONS_TABLE_FLAG,
.scope = OPTIONS_TABLE_SERVER,
.default_num = 0,
.text = "Whether unrequested escape sequences are forwarded to "
"clients. Can be 'off' (disallowed) or 'on' (allowed)."
},
/* Session options. */ /* Session options. */
{ .name = "activity-action", { .name = "activity-action",
.type = OPTIONS_TABLE_CHOICE, .type = OPTIONS_TABLE_CHOICE,

5
tmux.1
View File

@@ -4565,6 +4565,11 @@ This respects the
.Ic base-index .Ic base-index
option if it has been set. option if it has been set.
If off, do not renumber the windows. If off, do not renumber the windows.
.It Xo Ic forward-unrequested-escseq
.Op Ic on | off
.Xc
If on, when an unrequested escape sequence is received, tmux will forward it to client.
If off, tmux will ignore it.
.It Ic repeat-time Ar time .It Ic repeat-time Ar time
Allow multiple commands to be entered without pressing the prefix key again Allow multiple commands to be entered without pressing the prefix key again
in the specified in the specified

6
tty-keys.c
View File

@@ -1339,8 +1339,10 @@ tty_keys_clipboard(struct tty *tty, const char *buf, size_t len, size_t *size)
end--; end--;
/* If we did not request this, ignore it. */ /* If we did not request this, ignore it. */
if (~tty->flags & TTY_OSC52QUERY) if (~tty->flags & TTY_OSC52QUERY) {
return (0); return options_get_number(global_options,
"forward-unrequested-escseq") ? (-1) : (0);
}
tty->flags &= ~TTY_OSC52QUERY; tty->flags &= ~TTY_OSC52QUERY;
evtimer_del(&tty->clipboard_timer); evtimer_del(&tty->clipboard_timer);