From b372de8c746fb717829d6082ea1ced1d973245cd Mon Sep 17 00:00:00 2001
From: Aleix Pol <aleixpol@kde.org>
Date: Thu, 22 Apr 2021 17:28:53 +0200
Subject: [PATCH] Fix startup when running with ASAN

We can't call kwinApp() before KWin::Application hasn't been properly
initialized.
---
 src/plugins/qpa/integration.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/plugins/qpa/integration.cpp b/src/plugins/qpa/integration.cpp
index c0f2d760af..8c14b2b0c4 100644
--- a/src/plugins/qpa/integration.cpp
+++ b/src/plugins/qpa/integration.cpp
@@ -76,8 +76,15 @@ bool Integration::hasCapability(Capability cap) const
 
 void Integration::initialize()
 {
-    // The QPA is initialized before the platform plugin is loaded.
-    connect(kwinApp(), &Application::platformCreated, this, &Integration::handlePlatformCreated);
+    // This method is called from QGuiApplication's constructor, before kwinApp is built
+    QTimer::singleShot(0, this, [this] {
+        // The QPA is initialized before the platform plugin is loaded.
+        if (kwinApp()->platform()) {
+            handlePlatformCreated();
+        } else {
+            connect(kwinApp(), &Application::platformCreated, this, &Integration::handlePlatformCreated);
+        }
+    });
 
     QPlatformIntegration::initialize();