添加单独的函数来初始化 xcb

src/include/xcb.h

@@ -11,6 +11,7 @@
 #define WINDOW_NONE XCB_WINDOW_NONE
 
 bool has_other_wm_running(void);
+void setup_xcb(void);
 int get_xcb_connection_fd(void);
 void flush_xcb_connection(void);