feat(tray): 增加独立系统托盘模块并补齐兼容性与所有权处理

src/tray.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <stdbool.h>
+#include <xcb/xproto.h>
+
+#include "types.h"
+
+void tray_init(void);
+void tray_cleanup(void);
+
+bool tray_handle_client_message(xcb_client_message_event_t *ev);
+bool tray_handle_configure_request(xcb_configure_request_event_t *ev);
+bool tray_handle_map_request(xcb_map_request_event_t *ev);
+bool tray_handle_destroy_notify(xcb_destroy_notify_event_t *ev);
+bool tray_handle_unmap_notify(xcb_unmap_notify_event_t *ev);
+bool tray_handle_property_notify(xcb_property_notify_event_t *ev);
+bool tray_handle_selection_clear(xcb_selection_clear_event_t *ev);
+
+uint16_t tray_get_width(monitor_t *monitor);
+void tray_place(monitor_t *monitor, int16_t right_edge);
+bool tray_is_window(xcb_window_t window);