From 2dc9bfd93afd26b76dfdbf4a22338a5ef85893bf Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Wed, 10 May 2017 16:48:36 +0000
Subject: Prevent control clients from affecting the session size until they
 have specified a size with refresh-client -C. Prompted by a different change
 with the same purpose from George Nachman.

---
 cmd-refresh-client.c | 4 +++-
 resize.c             | 3 +++
 tmux.h               | 1 +
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/cmd-refresh-client.c b/cmd-refresh-client.c
index 5190df89..6af3362b 100644
--- a/cmd-refresh-client.c
+++ b/cmd-refresh-client.c
@@ -67,8 +67,10 @@ cmd_refresh_client_exec(struct cmd *self, struct cmdq_item *item)
 			cmdq_error(item, "not a control client");
 			return (CMD_RETURN_ERROR);
 		}
-		if (tty_set_size(&c->tty, w, h))
+		if (tty_set_size(&c->tty, w, h)) {
+			c->flags |= CLIENT_SIZECHANGED;
 			recalculate_sizes();
+		}
 	} else if (args_has(args, 'S')) {
 		c->flags |= CLIENT_STATUSFORCE;
 		server_status_client(c);
diff --git a/resize.c b/resize.c
index ff1c9eec..4c41f769 100644
--- a/resize.c
+++ b/resize.c
@@ -60,6 +60,9 @@ recalculate_sizes(void)
 		TAILQ_FOREACH(c, &clients, entry) {
 			if (c->flags & CLIENT_SUSPENDED)
 				continue;
+			if ((c->flags & (CLIENT_CONTROL|CLIENT_SIZECHANGED)) ==
+			    CLIENT_CONTROL)
+				continue;
 			if (c->session == s) {
 				if (c->tty.sx < ssx)
 					ssx = c->tty.sx;
diff --git a/tmux.h b/tmux.h
index 9d0cd960..5fd57ee4 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1345,6 +1345,7 @@ struct client {
 #define CLIENT_STATUSFORCE 0x80000
 #define CLIENT_DOUBLECLICK 0x100000
 #define CLIENT_TRIPLECLICK 0x200000
+#define CLIENT_SIZECHANGED 0x400000
 	int		 flags;
 	struct key_table *keytable;
 
-- 
cgit