Qt/GeneralWidget: Show tooltip when adapters are not supported by the backend

1 files changed, 8 insertions, 1 deletions

diff --git a/Source/Core/DolphinQt2/Config/Graphics/GeneralWidget.cpp b/Source/Core/DolphinQt2/Config/Graphics/GeneralWidget.cpp
index caff7bc62b..adafde738e 100644
--- a/Source/Core/DolphinQt2/Config/Graphics/GeneralWidget.cpp
+++ b/Source/Core/DolphinQt2/Config/Graphics/GeneralWidget.cpp
@@ -338,8 +338,15 @@ void GeneralWidget::OnBackendChanged(const QString& backend_name)
   for (const auto& adapter : adapters)
     m_adapter_combo->addItem(QString::fromStdString(adapter));
 
+  const bool supports_adapters = !adapters.empty();
+
   m_adapter_combo->setCurrentIndex(g_Config.iAdapter);
-  m_adapter_combo->setEnabled(!adapters.empty());
+  m_adapter_combo->setEnabled(supports_adapters);
+
+  m_adapter_combo->setToolTip(
+      supports_adapters ? QStringLiteral("") :
+                          tr("%1 doesn't support this feature.")
+                              .arg(QString::fromStdString(g_video_backend->GetDisplayName())));
 
   m_adapter_combo->blockSignals(old);
 }