From a9acef8573ca44ce9649a6ced42e19ef6d4ee3fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Patron?= <priv.luk@gmail.com>
Date: Thu, 27 Oct 2022 00:42:24 +0200
Subject: [PATCH] x11: Don't force QT_QPA_PLATFORM=xcb

This is basically a cherry pick of 77ec43d5e (Don't force
QT_QPA_PLATFORM=wayland), except for X11.
---
 src/main_x11.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main_x11.cpp b/src/main_x11.cpp
index bb722bf5d8..66e0341f1c 100644
--- a/src/main_x11.cpp
+++ b/src/main_x11.cpp
@@ -362,6 +362,8 @@ int main(int argc, char *argv[])
 
     KWin::ApplicationX11 a(argc, argv);
     a.setupTranslator();
+    // reset QT_QPA_PLATFORM so we don't propagate it to our children (e.g. apps launched from the overview effect)
+    qunsetenv("QT_QPA_PLATFORM");
 
     KSignalHandler::self()->watchSignal(SIGTERM);
     KSignalHandler::self()->watchSignal(SIGINT);