添加快捷键设置

src/include/xcb.h

@@ -2,8 +2,10 @@
 
 #include <X11/cursorfont.h>
 #include <stdbool.h>
+#include <stddef.h>
 #include <stdint.h>
 #include <xcb/xproto.h>
+#include "types.h"
 
 bool has_other_wm_running(void);
 int get_xcb_connection_fd(void);
@@ -56,6 +58,8 @@ window_list_t *scan_window_list(void);
 void free_window_list(window_list_t *window_list);
 void clean_xcb(void);
 
+void grab_keybindings(const keybinding_t *keys, const size_t length);
+
 bool get_xresource_uint32(const char *name, uint32_t *value);
 void get_xresource_string(const char *name, char **value, const char *fallback);
 void clean_xresource(void);