From 8b800b41c98c37a270cea61e57d1f2702fd75293 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Tue, 16 Mar 2021 09:14:58 +0000
Subject: Add client-detached notification in control mode, from Mohsin Kaleem.

---
 control-notify.c | 11 +++++++++++
 notify.c         |  2 ++
 tmux.1           |  2 ++
 tmux.h           |  1 +
 4 files changed, 16 insertions(+)

diff --git a/control-notify.c b/control-notify.c
index cc706ac2..6ff0e436 100644
--- a/control-notify.c
+++ b/control-notify.c
@@ -171,6 +171,17 @@ control_notify_client_session_changed(struct client *cc)
 	}
 }
 
+void
+control_notify_client_detached(struct client *cc)
+{
+	struct client	*c;
+
+	TAILQ_FOREACH(c, &clients, entry) {
+		if (CONTROL_SHOULD_NOTIFY_CLIENT(c))
+			control_write(c, "%%client-detached %s", cc->name);
+	}
+}
+
 void
 control_notify_session_renamed(struct session *s)
 {
diff --git a/notify.c b/notify.c
index a50eb264..c645657f 100644
--- a/notify.c
+++ b/notify.c
@@ -126,6 +126,8 @@ notify_callback(struct cmdq_item *item, void *data)
 		control_notify_window_renamed(ne->window);
 	if (strcmp(ne->name, "client-session-changed") == 0)
 		control_notify_client_session_changed(ne->client);
+	if (strcmp(ne->name, "client-detached") == 0)
+		control_notify_client_detached(ne->client);
 	if (strcmp(ne->name, "session-renamed") == 0)
 		control_notify_session_renamed(ne->session);
 	if (strcmp(ne->name, "session-created") == 0)
diff --git a/tmux.1 b/tmux.1
index 5c516fdb..ecbbc9fc 100644
--- a/tmux.1
+++ b/tmux.1
@@ -6107,6 +6107,8 @@ A notification will never occur inside an output block.
 .Pp
 The following notifications are defined:
 .Bl -tag -width Ds
+.It Ic %client-detached Ar client
+The client has detached.
 .It Ic %client-session-changed Ar client session-id name
 The client is now attached to the session with ID
 .Ar session-id ,
diff --git a/tmux.h b/tmux.h
index 1fc27b53..e50f9fe7 100644
--- a/tmux.h
+++ b/tmux.h
@@ -2945,6 +2945,7 @@ void	control_notify_window_unlinked(struct session *, struct window *);
 void	control_notify_window_linked(struct session *, struct window *);
 void	control_notify_window_renamed(struct window *);
 void	control_notify_client_session_changed(struct client *);
+void	control_notify_client_detached(struct client *);
 void	control_notify_session_renamed(struct session *);
 void	control_notify_session_created(struct session *);
 void	control_notify_session_closed(struct session *);
-- 
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