New server option, escape-time, to set the timeout used to detect if escapes

are alone or part of a function key or meta sequence.

5 files changed, 15 insertions, 9 deletions

diff --git a/cmd-set-option.c b/cmd-set-option.c
index 1a4df533..b445e537 100644
--- a/cmd-set-option.c
+++ b/cmd-set-option.c
@@ -74,6 +74,7 @@ const char *set_option_bell_action_list[] = {
 };
 
 const struct set_option_entry set_option_table[] = {
+	{ "escape-time", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
 	{ "quiet", SET_OPTION_FLAG, 0, 0, NULL },
 	{ NULL, 0, 0, 0, NULL }
 };
diff --git a/tmux.1 b/tmux.1
index fbbfe79e..79e65af6 100644
--- a/tmux.1
+++ b/tmux.1
@@ -1288,8 +1288,14 @@ Available window options are listed under
 .Pp
 Available server options are:
 .Bl -tag -width Ds
+.It Ic escape-time
+Set the time in milliseconds for which
+.Nm
+waits after an escape is input to determine if it is part of a function or meta
+key sequences.
+The default is 500 milliseconds.
 .It Ic quiet
-Enable of disable the display of various informational messages (see also the
+Enable or disable the display of various informational messages (see also the
 .Fl q
 command line flag).
 .El
@@ -1884,7 +1890,7 @@ The default is off.
 Show the window options with
 .Fl w
 (equivalent to
-.Ic show-window-options ),
+.Ic show-window-options ) ,
 the server options with
 .Fl s ,
 otherwise the session options for
diff --git a/tmux.c b/tmux.c
index 540c6f9f..0e080306 100644
--- a/tmux.c
+++ b/tmux.c
@@ -317,6 +317,7 @@ main(int argc, char **argv)
 	options_init(&global_options, NULL);
 	oo = &global_options;
 	options_set_number(oo, "quiet", quiet);
+	options_set_number(oo, "escape-time", 500);
 
 	options_init(&global_s_options, NULL);
 	so = &global_s_options;
diff --git a/tmux.h b/tmux.h
index e9d11f65..c68e560a 100644
--- a/tmux.h
+++ b/tmux.h
@@ -50,7 +50,7 @@ extern char   **environ;
 /* Default prompt history length. */
 #define PROMPT_HISTORY 100
 
-/* 
+/*
  * Minimum layout cell size, NOT including separator line. The scroll region
  * cannot be one line in height so this must be at least two.
  */
@@ -59,9 +59,6 @@ extern char   **environ;
 /* Automatic name refresh interval, in milliseconds. */
 #define NAME_INTERVAL 500
 
-/* Escape timer period, in milliseconds. */
-#define ESCAPE_PERIOD 500
-
 /* Maximum data to buffer for output before suspending reading from panes. */
 #define BACKOFF_THRESHOLD 1024
 
diff --git a/tty-keys.c b/tty-keys.c
index a88f9542..0ac1b43d 100644
--- a/tty-keys.c
+++ b/tty-keys.c
@@ -429,7 +429,7 @@ tty_keys_next(struct tty *tty)
 	const char		*buf;
 	size_t			 len, size;
 	cc_t			 bspace;
-	int			 key;
+	int			 key, delay;
 
 	buf = EVBUFFER_DATA(tty->event->input);
 	len = EVBUFFER_LENGTH(tty->event->input);
@@ -521,8 +521,9 @@ partial_key:
 
 start_timer:
 	/* Start the timer and wait for expiry or more data. */
-	tv.tv_sec = 0;
-	tv.tv_usec = ESCAPE_PERIOD * 1000L;
+	delay = options_get_number(&global_options, "escape-time");
+	tv.tv_sec = delay / 1000;
+	tv.tv_usec = (delay % 1000) * 1000L;
 
 	evtimer_del(&tty->key_timer);
 	evtimer_set(&tty->key_timer, tty_keys_callback, tty);