Add dwl/window module

include/modules/dwl/window.hpp

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <fmt/format.h>
+
+#include <string>
+
+#include "AAppIconLabel.hpp"
+#include "bar.hpp"
+#include "util/json.hpp"
+#include "dwl-ipc-unstable-v2-client-protocol.h"
+
+namespace waybar::modules::dwl {
+
+class Window : public AAppIconLabel, public sigc::trackable {
+ public:
+  Window(const std::string&, const waybar::Bar&, const Json::Value&);
+  virtual ~Window() = default;
+
+  void handle_layout(const uint32_t layout);
+  void handle_title(const char *title);
+  void handle_appid(const char *ppid);
+  void handle_layout_symbol(const char *layout_symbol);
+  void handle_frame();
+
+  struct zdwl_ipc_manager_v2 *status_manager_;
+ private:
+  const Bar& bar_;
+
+  std::string title_;
+  std::string appid_;
+  std::string layout_symbol_;
+  uint32_t layout_;
+
+  struct zdwl_ipc_output_v2 *output_status_;
+};
+
+}  // namespace waybar::modules::dwl