调整窗口堆叠顺序

src/include/xcb.h

@@ -50,6 +50,14 @@ char *get_window_name(xcb_window_t window);
 void set_window_event_mask(xcb_window_t window, bool clear);
 void change_window_border_color(xcb_window_t window, uint32_t argb);
 void focus_window(xcb_window_t window);
+/**
+ * @brief 将 window 置于堆叠顺序的顶部
+ */
+void raise_window(xcb_window_t window);
+/**
+ * @brief 在堆叠顺序中将 window 置于 sibling 之下
+ */
+void place_window_below_sibling(xcb_window_t window, xcb_window_t sibling);
 
 typedef struct bar_cairo_params_t {
   xcb_connection_t *conn;
@@ -122,3 +130,8 @@ void set_window_state(xcb_window_t window, wm_state_t state);
 void set_window_list(xcb_window_t *list, uint32_t length);
 
 bool get_pointer_position(int32_t *x, int32_t *y);
+
+/**
+ * @brief 非阻塞检查特定事件掩码（模拟 XCheckMaskEvent）
+ */
+bool xcb_check_mask_event(xcb_event_mask_t event_mask);