From 2118a3ce47951352ee88bf475124988723d2d20a Mon Sep 17 00:00:00 2001
From: Tudor Brindus <me@tbrindus.ca>
Date: Sat, 13 Feb 2021 00:22:36 -0500
Subject: [PATCH] xwayland/selection: flush connection after changing xwm
 selection owner

This was the actual underlying cause of #2192; we were not getting the
XFIXES_SELECTION_NOTIFY event in time.
---
 xwayland/selection/selection.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xwayland/selection/selection.c b/xwayland/selection/selection.c
index 9cb8c455..26817fbb 100644
--- a/xwayland/selection/selection.c
+++ b/xwayland/selection/selection.c
@@ -267,12 +267,14 @@ static void xwm_selection_set_owner(struct wlr_xwm_selection *selection,
 			selection->window,
 			selection->atom,
 			XCB_TIME_CURRENT_TIME);
+		xcb_flush(selection->xwm->xcb_conn);
 	} else {
 		if (selection->owner == selection->window) {
 			xcb_set_selection_owner(selection->xwm->xcb_conn,
 				XCB_WINDOW_NONE,
 				selection->atom,
 				selection->timestamp);
+			xcb_flush(selection->xwm->xcb_conn);
 		}
 	}
 }