From 87ed4485fe05a2738d30d4de5bf3f7da8746330a Mon Sep 17 00:00:00 2001
From: Dmitry Karasik <dmitry.karasik@teliacompany.com>
Date: Sat, 21 Sep 2024 18:47:10 +0200
Subject: [PATCH] don't cause X errors by operating on a dead window

---
 unix/window.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/unix/window.c b/unix/window.c
index 25c2e9fe2..968e487ef 100644
--- a/unix/window.c
+++ b/unix/window.c
@@ -1609,8 +1609,11 @@ apc_window_execute( Handle self, Handle insert_before)
 	while ( prima_one_loop_round( WAIT_IF_NONE, true) && XX-> flags.modal)
 		;
 
-	if ( toplevel) XSetTransientForHint( DISP, X_WINDOW, None);
-	if ( X_WINDOW) NETWM_SET_MODAL( X_WINDOW, XX-> flags.modal);
+	if ( PObject(self)->stage == csNormal ) {
+		if ( toplevel) XSetTransientForHint( DISP, X_WINDOW, None);
+		if ( X_WINDOW) NETWM_SET_MODAL( X_WINDOW, XX-> flags.modal);
+	}
+
 	unprotect_object( self);
 	return true;
 }