From 637d70b2c58ad27b07703a6813642c15dee3c826 Mon Sep 17 00:00:00 2001
From: Olivier Fourdan <fourdan@xfce.org>
Date: Sat, 23 May 2020 11:11:38 +0200
Subject: [PATCH] focus: Ping client on focus
To make sure that they are still alive and detect hung clients.
Signed-off-by: Olivier Fourdan <fourdan@xfce.org>
---
src/focus.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/focus.c b/src/focus.c
index eb5b1b9fe..23828fd2c 100644
--- a/src/focus.c
+++ b/src/focus.c
@@ -622,6 +622,12 @@ clientSetFocus (ScreenInfo *screen_info, Client *c, guint32 timestamp, unsigned
pending_focus = c;
sendClientMessage (screen_info, c->window, WM_TAKE_FOCUS, timestamp);
}
+
+ /* Send client ping if supported to detect stalled apps */
+ if (timestamp != CurrentTime)
+ {
+ clientSendNetWMPing (c, timestamp);
+ }
}
else
{
--
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