1 files changed, 11 insertions, 0 deletions
diff --git a/tests/manual/windowflags/previewwindow.cpp b/tests/manual/windowflags/previewwindow.cpp
index 19473c9eee..ef3966830b 100644
--- a/tests/manual/windowflags/previewwindow.cpp
+++ b/tests/manual/windowflags/previewwindow.cpp
@@ -32,9 +32,20 @@
 #include <QVBoxLayout>
 #include <QTextStream>
 #include <QTimer>
+#include <QPainter>
+#include <QLinearGradient>
 
 #include "previewwindow.h"
 
+void PreviewWindow::paintEvent(QPaintEvent *event)
+{
+    QPainter painter(this);
+    QLinearGradient gradient(0, 0, width(), height());
+    gradient.setColorAt(0, QColor("#64b3f4"));
+    gradient.setColorAt(1, QColor("#c2e59c"));
+    painter.fillRect(QRect(0, 0, width(), height()), gradient);
+}
+
 static void formatWindowFlags(QTextStream &str, Qt::WindowFlags flags)
 {
     str << "Window flags: " << hex << showbase << unsigned(flags) << noshowbase << dec << ' ';