Refactor StreamerMode/Theme setting widgets (#6317)

src/common/StreamerModeSetting.hpp

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <cstdint>
+#include <optional>
+#include <string_view>
+
+namespace chatterino {
+
+enum StreamerModeSetting : std::uint8_t {
+    Disabled,
+    Enabled,
+    DetectStreamingSoftware,
+};
+
+constexpr std::optional<std::string_view> qmagicenumDisplayName(
+    StreamerModeSetting value) noexcept
+{
+    switch (value)
+    {
+        case Disabled:
+            return "Disabled";
+
+        case Enabled:
+            return "Enabled";
+
+        case DetectStreamingSoftware:
+            return "Automatic (Detect streaming software)";
+    }
+}
+
+}  // namespace chatterino