fix: hosting-monitor classes not recheck on monitor disconnect/waybar restart

include/modules/cava.old/cavaGLSL.hpp

@@ -0,0 +1,43 @@
+#pragma once
+
+#include <epoxy/gl.h>
+
+#include "AModule.hpp"
+#include "cava_backend.hpp"
+
+namespace waybar::modules::cava {
+
+class CavaGLSL final : public AModule, public Gtk::GLArea {
+ public:
+  CavaGLSL(const std::string&, const Json::Value&);
+  ~CavaGLSL() = default;
+
+ private:
+  std::shared_ptr<CavaBackend> backend_;
+  struct ::cava::config_params prm_;
+  int frame_counter{0};
+  bool silence_{false};
+  bool hide_on_silence_{false};
+  // Cava method
+  auto onUpdate(const ::cava::audio_raw& input) -> void;
+  auto onSilence() -> void;
+  // Member variable to store the shared pointer
+  std::shared_ptr<::cava::audio_raw> m_data_;
+  GLuint shaderProgram_;
+  // OpenGL variables
+  GLuint fbo_;
+  GLuint texture_;
+  GLint uniform_bars_;
+  GLint uniform_previous_bars_;
+  GLint uniform_bars_count_;
+  GLint uniform_time_;
+  // Methods
+  void onRealize();
+  bool onRender(const Glib::RefPtr<Gdk::GLContext>& context);
+
+  void initShaders();
+  void initSurface();
+  void initGLSL();
+  GLuint loadShader(const std::string& fileName, GLenum type);
+};
+}  // namespace waybar::modules::cava

include/modules/cava.old/cavaRaw.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 doAction(const std::string& name) -> void override;
+
+ private:
+  std::shared_ptr<CavaBackend> backend_;
+  // Text to display
+  Glib::ustring label_text_{""};
+  bool silence_{false};
+  bool hide_on_silence_{false};
+  std::string format_silent_{""};
+  int ascii_range_{0};
+  // Cava method
+  void pause_resume();
+  auto onUpdate(const std::string& input) -> void;
+  auto onSilence() -> void;
+  // 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

include/modules/cava.old/cava_backend.hpp

@@ -0,0 +1,84 @@
+#pragma once
+
+#include <json/json.h>
+#include <sigc++/sigc++.h>
+
+#include "util/sleeper_thread.hpp"
+
+namespace cava {
+extern "C" {
+// Need sdl_glsl output feature to be enabled on libcava
+#ifndef SDL_GLSL
+#define SDL_GLSL
+#endif
+
+#include <cava/common.h>
+
+#ifdef SDL_GLSL
+#undef SDL_GLSL
+#endif
+}
+}  // namespace cava
+
+namespace waybar::modules::cava {
+using namespace std::literals::chrono_literals;
+
+class CavaBackend final {
+ public:
+  static std::shared_ptr<CavaBackend> inst(const Json::Value& config);
+
+  virtual ~CavaBackend();
+  // Methods
+  int getAsciiRange();
+  void doPauseResume();
+  void Update();
+  const struct ::cava::config_params* getPrm();
+  std::chrono::milliseconds getFrameTimeMilsec();
+
+  // Signal accessor
+  using type_signal_update = sigc::signal<void(const std::string&)>;
+  type_signal_update signal_update();
+  using type_signal_audio_raw_update = sigc::signal<void(const ::cava::audio_raw&)>;
+  type_signal_audio_raw_update signal_audio_raw_update();
+  using type_signal_silence = sigc::signal<void()>;
+  type_signal_silence signal_silence();
+
+ private:
+  CavaBackend(const Json::Value& config);
+  util::SleeperThread read_thread_;
+  util::SleeperThread out_thread_;
+
+  // Cava API to read audio source
+  ::cava::ptr input_source_{NULL};
+
+  struct ::cava::error_s error_{};          // cava errors
+  struct ::cava::config_params prm_{};      // cava parameters
+  struct ::cava::audio_raw audio_raw_{};    // cava handled raw audio data(is based on audio_data)
+  struct ::cava::audio_data audio_data_{};  // cava audio data
+  struct ::cava::cava_plan* plan_{NULL};    //{new cava_plan{}};
+
+  std::chrono::seconds fetch_input_delay_{4};
+  // Delay to handle audio source
+  std::chrono::milliseconds frame_time_milsec_{1s};
+
+  const Json::Value& config_;
+  int re_paint_{0};
+  bool silence_{false};
+  bool silence_prev_{false};
+  std::chrono::seconds suspend_silence_delay_{0};
+  int sleep_counter_{0};
+  std::string output_{};
+  // Methods
+  void invoke();
+  void execute();
+  bool isSilence();
+  void doUpdate(bool force = false);
+  void loadConfig();
+  void freeBackend();
+
+  // Signal
+  type_signal_update m_signal_update_;
+  type_signal_audio_raw_update m_signal_audio_raw_;
+  type_signal_silence m_signal_silence_;
+};
+}  // namespace waybar::modules::cava

include/modules/cava.old/cava_frontend.hpp

@@ -0,0 +1,27 @@
+#pragma once
+
+#ifdef HAVE_LIBCAVA
+#include "cavaRaw.hpp"
+#include "cava_backend.hpp"
+#ifdef HAVE_LIBCAVAGLSL
+#include "cavaGLSL.hpp"
+#endif
+#endif
+
+namespace waybar::modules::cava {
+AModule* getModule(const std::string& id, const Json::Value& config) {
+#ifdef HAVE_LIBCAVA
+  const std::shared_ptr<CavaBackend> backend_{waybar::modules::cava::CavaBackend::inst(config)};
+  switch (backend_->getPrm()->output) {
+#ifdef HAVE_LIBCAVAGLSL
+    case ::cava::output_method::OUTPUT_SDL_GLSL:
+      return new waybar::modules::cava::CavaGLSL(id, config);
+#endif
+    default:
+      return new waybar::modules::cava::Cava(id, config);
+  }
+#else
+  throw std::runtime_error("Unknown module");
+#endif
+};
+}  // namespace waybar::modules::cava