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From 3deadbfcdf776eb0c994bb4d719e601160943bfa Mon Sep 17 00:00:00 2001
From: Fabian Vogt <fabian@ritter-vogt.de>
Date: Wed, 28 Aug 2019 15:09:49 +0200
Subject: [PATCH] Set GTK_BACKEND=x11 in a wayland session
Works around missing window decorations and broken config file reading
---
startkde/startplasma-waylandsession.cpp | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/startkde/startplasma-waylandsession.cpp b/startkde/startplasma-waylandsession.cpp
index 87c71c6b3..5d0b3f65f 100644
--- a/startkde/startplasma-waylandsession.cpp
+++ b/startkde/startplasma-waylandsession.cpp
@@ -45,6 +45,11 @@ int main(int /*argc*/, char** /*argv*/)
out << "startplasma-waylandsession: Starting up...";
if (qEnvironmentVariableIsSet("DISPLAY")) {
+ // GTK3 uses the wayland backend by default, but its implementation is not correct
+ // enough to work well here. Window decorations are missing, for instance.
+ if (!qEnvironmentVariableIsSet("GDK_BACKEND")) {
+ qputenv("GDK_BACKEND", "x11");
+ }
setupX11();
} else {
qWarning() << "running kwin without Xwayland support";
--
2.22.0
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