From a3e192837b5ae64a55921da89ac5e8d5727869ac Mon Sep 17 00:00:00 2001
From: Vlad Zahorodnii <vlad.zahorodnii@kde.org>
Date: Wed, 14 Jul 2021 16:53:41 +0300
Subject: [PATCH] wayland: Force decoration update

If the client had created an xdg-toplevel-decoration and has called the
set_mode() request with csd before the initial configure event is sent,
we still need to send an xdg-toplevel-decoration configure event with
csd mode.
---
 src/xdgshellclient.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/xdgshellclient.cpp b/src/xdgshellclient.cpp
index c0053b4167..fd92bd6872 100644
--- a/src/xdgshellclient.cpp
+++ b/src/xdgshellclient.cpp
@@ -1192,7 +1192,9 @@ void XdgToplevelClient::initialize()
 {
     bool needsPlacement = isPlaceable();
 
-    updateDecoration(false, false);
+    // Decoration update is forced so an xdg_toplevel_decoration.configure event
+    // is sent if the client has called the set_mode() request with csd mode.
+    updateDecoration(false, true);
 
     if (supportsWindowRules()) {
         setupWindowRules(false);