添加调整焦点快捷键

src/main.c

@@ -117,6 +117,36 @@ void kill_client(const user_action_arg_t *arg) {
   }
 }
 
+void focus_stack(const user_action_arg_t *arg) {
+  if (!current_monitor->selected_client) return;
+
+  bool forward = arg->b;
+  client_t *client = NULL;
+  if (forward) {
+    for (client = current_monitor->selected_client->next;
+         client && !CLIENT_VISIBLE(client); client = client->next);
+    if (!client) {
+      for (client = current_monitor->clients; client && !CLIENT_VISIBLE(client);
+           client = client->next);
+    }
+  } else {
+    client_t *c = NULL;
+    for (c = current_monitor->clients; c != current_monitor->selected_client;
+         c = c->next) {
+      if (CLIENT_VISIBLE(c)) client = c;
+    }
+    if (!client) {
+      for (; c; c = c->next) {
+        if (CLIENT_VISIBLE(c)) client = c;
+      }
+    }
+  }
+  if (client) {
+    focus(client);
+    restack(current_monitor);
+  }
+}
+
 /* 调试函数，开发完成后删除 */
 static void print_monitor_list_info(monitor_t *monitor_list) {
   logger("========================= monitor info =========================\n");