添加快捷键设置

src/xcb/xcb.c

@@ -297,3 +297,28 @@ void clean_xcb(void) {
   conn = NULL;
   screen = NULL;
 }
+
+void grab_keybindings(const keybinding_t *keys, const size_t length) {
+  xcb_window_t root = screen->root;
+  xcb_keycode_t key = XCB_GRAB_ANY;
+  xcb_ungrab_key(conn, key, root, XCB_MOD_MASK_ANY);
+  key_symbols = xcb_key_symbols_alloc(conn);
+
+  xcb_grab_mode_t mode = XCB_GRAB_MODE_ASYNC;
+  xcb_keycode_t *keycode = NULL;
+  xcb_mod_mask_t modifiers;
+  xcb_void_cookie_t cookie;
+  xcb_generic_error_t *error = NULL;
+
+  for (int i = 0; i < length; i++) {
+    xcb_keysym_t keysym = keys[i].key_symbol;
+    keycode = xcb_key_symbols_get_keycode(key_symbols, keysym);
+    modifiers = keys[i].modifiers;
+    cookie = xcb_grab_key(conn, key, root, modifiers, *keycode, mode, mode);
+    error = xcb_request_check(conn, cookie);
+    if (error) {
+      clean_xcb();
+      die("%scannot grap key", APP_NAME);
+    }
+  }
+}