Handle deprecation of QGuiApplication::paletteChanged

NO_CHANGELOG

1 files changed, 10 insertions, 3 deletions

diff --git a/src/selectionmode/backgroundcolorhelper.cpp b/src/selectionmode/backgroundcolorhelper.cpp
index fa3e55ac4..d1a25bace 100644
--- a/src/selectionmode/backgroundcolorhelper.cpp
+++ b/src/selectionmode/backgroundcolorhelper.cpp
@@ -43,12 +43,19 @@ void BackgroundColorHelper::controlBackgroundColor(QWidget *widget)
     m_colorControlledWidgets.emplace_back(widget);
 }
 
+bool BackgroundColorHelper::eventFilter(QObject *obj, QEvent *event)
+{
+    Q_UNUSED(obj);
+    if (event->type() == QEvent::ApplicationPaletteChange) {
+        slotPaletteChanged();
+    }
+    return false;
+}
+
 BackgroundColorHelper::BackgroundColorHelper()
 {
     updateBackgroundColor();
-    QObject::connect(qApp, &QGuiApplication::paletteChanged, qApp, [=]() {
-        slotPaletteChanged();
-    });
+    qApp->installEventFilter(this);
 }
 
 void BackgroundColorHelper::slotPaletteChanged()