feat: separate wayland implementation

include/state/wayland.h

@@ -0,0 +1,40 @@
+#pragma once 
+#ifndef H_WAYLAND_STATE_
+#define H_WAYLAND_STATE_
+
+#include <wayland-client-protocol.h>
+
+#include "xdg-shell-client-protocol.h"
+
+class WaylandState {
+public:
+  static WaylandState *GetInstance();
+
+private:
+  static void wm_base_handle_ping(void *data, struct xdg_wm_base *wm_base,
+                                  uint32_t serial);
+  static void registry_handle_global(void *data, struct wl_registry *registry,
+                                     uint32_t name, const char *interface,
+                                     uint32_t version);
+  static void registry_handle_global_remove(void *data,
+                                            struct wl_registry *registry,
+                                            uint32_t name);
+private:
+  WaylandState();
+	~WaylandState();
+
+private:
+  static WaylandState *s_instance;
+
+  struct wl_display *m_display = nullptr;
+  struct wl_compositor *m_compositor = nullptr;
+  struct xdg_wm_base *m_wm_base = nullptr;
+
+  struct xdg_wm_base_listener m_wm_base_listener;
+  struct wl_registry_listener m_reg_listener;
+
+  friend class WaylandWindowImpl;
+  friend class Renderer;
+};
+
+#endif // H_WAYLAND_STATE_