fix(indev): send LV_EVENT_KEY as indev event (#9208)

Co-authored-by: Liam Howatt <30486941+liamHowatt@users.noreply.github.com> Co-authored-by: André Costa <andre_miguel_costa@hotmail.com>
2026-05-28 13:36:27 +08:00 · 2025-11-25 15:17:33 +01:00
parent 58e8c4a5c6
commit 28b7182566
2 changed files with 30 additions and 2 deletions
@@ -88,7 +88,31 @@ The most important special keys in your :cpp:func:`read_cb` function are:
 You should translate some of the read keys to these special keys to support navigation
 in a group and interact with selected widgets.

-Key remapping
+
+Key Events
+**********
+
+If needed you can easily catch the keys sent by an input device by subscribing to
+an indev event like this:
+
+
+.. code-block:: c
+
+    void key_event_cb(lv_event_t *e)
+    {
+        lv_indev_t * indev = (lv_indev_t *)lv_event_get_target(e); /*Same as lv_indev_active()*/
+        if(lv_indev_get_state(indev) == LV_INDEV_STATE_PRESSED) {
+            LV_LOG_USER("%c", (char) lv_indev_get_key(indev));
+        }
+    }
+
+    ...
+
+    lv_indev_add_event_cb(keyboard, key_event_cb, LV_EVENT_KEY, NULL);
+
+
+
+Key Remapping
 *************

 Some applications require assigning physical buttons to multiple key events depending