From 42490f4750bb6f39c08908e8e7a3b85022a077af Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Wed, 4 Aug 2021 08:07:19 +0000
Subject: [PATCH] Add a client-active hook, from ncfavier in GitHub issue 2803.

---
 options-table.c | 1 +
 server-client.c | 2 ++
 tmux.1          | 2 ++
 3 files changed, 5 insertions(+)

diff --git a/options-table.c b/options-table.c
index bca529cf..a4b85fd2 100644
--- a/options-table.c
+++ b/options-table.c
@@ -1145,6 +1145,7 @@ const struct options_table_entry options_table[] = {
 	OPTIONS_TABLE_HOOK("alert-activity", ""),
 	OPTIONS_TABLE_HOOK("alert-bell", ""),
 	OPTIONS_TABLE_HOOK("alert-silence", ""),
+	OPTIONS_TABLE_HOOK("client-active", ""),
 	OPTIONS_TABLE_HOOK("client-attached", ""),
 	OPTIONS_TABLE_HOOK("client-detached", ""),
 	OPTIONS_TABLE_HOOK("client-resized", ""),
diff --git a/server-client.c b/server-client.c
index 1be3575e..4c7def8f 100644
--- a/server-client.c
+++ b/server-client.c
@@ -1127,6 +1127,8 @@ server_client_update_latest(struct client *c)
 
 	if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST)
 		recalculate_size(w, 0);
+
+	notify_client("client-active", c);
 }
 
 /*
diff --git a/tmux.1 b/tmux.1
index dd25edfc..0abb4c76 100644
--- a/tmux.1
+++ b/tmux.1
@@ -4396,6 +4396,8 @@ See
 Run when a window has been silent.
 See
 .Ic monitor-silence .
+.It client-active
+Run when a client becomes the latest active client of its session.
 .It client-attached
 Run when a client is attached.
 .It client-detached