From db3f27336f2172fd70be3411874d9bbeb3db6a24 Mon Sep 17 00:00:00 2001
From: Xaver Hugl <xaver.hugl@gmail.com>
Date: Tue, 12 Apr 2022 15:45:52 +0200
Subject: [PATCH] effects/kscreen: don't use xcb on Wayland

BUG: 450564
FIXED-IN: 5.24.5
---
 src/effects/kscreen/kscreen.cpp | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/effects/kscreen/kscreen.cpp b/src/effects/kscreen/kscreen.cpp
index 1b92efad4a..addfc52cc2 100644
--- a/src/effects/kscreen/kscreen.cpp
+++ b/src/effects/kscreen/kscreen.cpp
@@ -44,13 +44,15 @@ namespace KWin
 
 KscreenEffect::KscreenEffect()
     : Effect()
-    , m_atom(effects->announceSupportProperty("_KDE_KWIN_KSCREEN_SUPPORT", this))
+    , m_atom(effects->waylandDisplay() ? XCB_ATOM_NONE : effects->announceSupportProperty("_KDE_KWIN_KSCREEN_SUPPORT", this))
 {
     initConfig<KscreenConfig>();
-    connect(effects, &EffectsHandler::propertyNotify, this, &KscreenEffect::propertyNotify);
-    connect(effects, &EffectsHandler::xcbConnectionChanged, this, [this]() {
-        m_atom = effects->announceSupportProperty(QByteArrayLiteral("_KDE_KWIN_KSCREEN_SUPPORT"), this);
-    });
+    if (!effects->waylandDisplay()) {
+        connect(effects, &EffectsHandler::propertyNotify, this, &KscreenEffect::propertyNotify);
+        connect(effects, &EffectsHandler::xcbConnectionChanged, this, [this]() {
+            m_atom = effects->announceSupportProperty(QByteArrayLiteral("_KDE_KWIN_KSCREEN_SUPPORT"), this);
+        });
+    }
     reconfigure(ReconfigureAll);
 
     const QList<EffectScreen *> screens = effects->screens();