From e27b70957505dc7b986ab2fa68219af546c63344 Mon Sep 17 00:00:00 2001
From: Fabian Vogt <fabian@ritter-vogt.de>
Date: Fri, 30 Jun 2023 09:42:58 +0200
Subject: [PATCH] greeter: Look at WAYLAND_DISPLAY for platform detection

When running sddm-greeter manually in a wayland session, it otherwise
misdetects that as xcb.
---
 src/greeter/GreeterApp.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/greeter/GreeterApp.cpp b/src/greeter/GreeterApp.cpp
index c2978d67e..4e4f65301 100644
--- a/src/greeter/GreeterApp.cpp
+++ b/src/greeter/GreeterApp.cpp
@@ -319,7 +319,7 @@ int main(int argc, char **argv)
         platform = QString::fromUtf8(qgetenv("QT_QPA_PLATFORM"));
     }
     if (platform.isEmpty()) {
-        platform = QStringLiteral("xcb");
+        platform = qEnvironmentVariableIsSet("WAYLAND_DISPLAY") ? QStringLiteral("wayland") : QStringLiteral("xcb");
     }
 
     // Install message handler