Cava back/front end transformation

include/modules/cava/cava.hpp

@@ -0,0 +1,30 @@
+#pragma once
+
+#include "ALabel.hpp"
+#include "cava_backend.hpp"
+
+namespace waybar::modules::cava {
+
+class Cava final : public ALabel, public sigc::trackable {
+ public:
+  Cava(const std::string&, const Json::Value&);
+  ~Cava() = default;
+  auto onUpdate(const std::string& input) -> void;
+  auto onSilence() -> void;
+  auto doAction(const std::string& name) -> void override;
+
+ private:
+  std::shared_ptr<CavaBackend> backend_;
+  // Text to display
+  std::string label_text_{""};
+  bool hide_on_silence_{false};
+  std::string format_silent_{""};
+  int ascii_range_{0};
+  bool silence_{false};
+  // Cava method
+  void pause_resume();
+  // ModuleActionMap
+  static inline std::map<const std::string, void (waybar::modules::cava::Cava::* const)()>
+      actionMap_{{"mode", &waybar::modules::cava::Cava::pause_resume}};
+};
+}  // namespace waybar::modules::cava