From 74cb7a5b45bd3ec7b634c9362ba17a4822a464e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A9ven=20Car?= <meven29@gmail.com>
Date: Sat, 4 Sep 2021 08:41:11 +0200
Subject: [PATCH] kcm compositing: Hide preview option in Wayland

---
 src/kcmkwin/kwincompositing/CMakeLists.txt | 1 +
 src/kcmkwin/kwincompositing/compositing.ui | 2 +-
 src/kcmkwin/kwincompositing/main.cpp       | 5 +++++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/kcmkwin/kwincompositing/CMakeLists.txt b/src/kcmkwin/kwincompositing/CMakeLists.txt
index 33226d080d..3d6bf42cd5 100644
--- a/src/kcmkwin/kwincompositing/CMakeLists.txt
+++ b/src/kcmkwin/kwincompositing/CMakeLists.txt
@@ -27,6 +27,7 @@ target_link_libraries(kwincompositing
     KF5::CoreAddons
     KF5::I18n
     KF5::KCMUtils
+    KF5::WindowSystem
 )
 
 install(TARGETS kwincompositing DESTINATION ${KDE_INSTALL_PLUGINDIR})
diff --git a/src/kcmkwin/kwincompositing/compositing.ui b/src/kcmkwin/kwincompositing/compositing.ui
index 6222b85b17..cf70d7ba35 100644
--- a/src/kcmkwin/kwincompositing/compositing.ui
+++ b/src/kcmkwin/kwincompositing/compositing.ui
@@ -216,7 +216,7 @@ you can reset this protection but be aware that this might result in an immediat
     </widget>
    </item>
    <item row="13" column="0">
-    <widget class="QLabel" name="label_6">
+    <widget class="QLabel" name="label_HiddenPreviews">
      <property name="text">
       <string>Keep window thumbnails:</string>
      </property>
diff --git a/src/kcmkwin/kwincompositing/main.cpp b/src/kcmkwin/kwincompositing/main.cpp
index a1cade857a..e5fe6aebe5 100644
--- a/src/kcmkwin/kwincompositing/main.cpp
+++ b/src/kcmkwin/kwincompositing/main.cpp
@@ -18,6 +18,7 @@
 
 #include <kcmodule.h>
 #include <kservice.h>
+#include <KWindowSystem/KWindowSystem>
 
 #include <algorithm>
 #include <functional>
@@ -90,6 +91,10 @@ KWinCompositingKCM::KWinCompositingKCM(QWidget *parent, const QVariantList &args
 
     connect(this, &KWinCompositingKCM::defaultsIndicatorsVisibleChanged, this, &KWinCompositingKCM::updateUnmanagedItemStatus);
 
+    if (KWindowSystem::isPlatformWayland()) {
+        m_form.kcfg_HiddenPreviews->setVisible(false);
+        m_form.label_HiddenPreviews->setVisible(false);
+    }
     init();
 }