feat: add pulseaudio module

include/modules/pulseaudio.hpp

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <pulse/pulseaudio.h>
+#include <json/json.h>
+#include <gtkmm.h>
+#include <fmt/format.h>
+#include <thread>
+#include "util/chrono.hpp"
+#include "IModule.hpp"
+
+namespace waybar::modules {
+
+  class Pulseaudio : public IModule {
+    public:
+      Pulseaudio(Json::Value config);
+      auto update() -> void;
+      operator Gtk::Widget &();
+    private:
+      static void _subscribeCb(pa_context *context,
+        pa_subscription_event_type_t type, uint32_t idx, void *data);
+      static void _contextStateCb(pa_context *c, void *data);
+      static void _sinkInfoCb(pa_context *context, const pa_sink_info *i,
+        int eol, void *data);
+      static void _serverInfoCb(pa_context *context, const pa_server_info *i,
+        void *data);
+      Gtk::Label _label;
+      std::thread _thread;
+      Json::Value _config;
+      pa_mainloop *_mainloop;
+      pa_mainloop_api *_mainloop_api;
+      pa_context *_context;
+      int _volume;
+      bool _muted;
+  };
+
+}