[lvgl] Rework events to avoid feedback loops (#7262)

esphome/components/lvgl/text/__init__.py

@@ -4,7 +4,15 @@ from esphome.components.text import new_text
 import esphome.config_validation as cv
 
 from ..defines import CONF_LVGL_ID, CONF_WIDGET
-from ..lvcode import CUSTOM_EVENT, EVENT_ARG, LambdaContext, LvContext, lv, lv_add
+from ..lvcode import (
+    API_EVENT,
+    EVENT_ARG,
+    UPDATE_EVENT,
+    LambdaContext,
+    LvContext,
+    lv,
+    lv_add,
+)
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, LvText, lvgl_ns
 from ..widgets import get_widgets
@@ -26,14 +34,17 @@ async def to_code(config):
     widget = widget[0]
     async with LambdaContext([(cg.std_string, "text_value")]) as control:
         await widget.set_property("text", "text_value.c_str())")
-        lv.event_send(widget.obj, CUSTOM_EVENT, None)
+        lv.event_send(widget.obj, API_EVENT, None)
     async with LambdaContext(EVENT_ARG) as lamb:
         lv_add(textvar.publish_state(widget.get_value()))
     async with LvContext(paren):
         widget.var.set_control_lambda(await control.get_lambda())
         lv_add(
             paren.add_event_cb(
-                widget.obj, await lamb.get_lambda(), LV_EVENT.VALUE_CHANGED
+                widget.obj,
+                await lamb.get_lambda(),
+                LV_EVENT.VALUE_CHANGED,
+                UPDATE_EVENT,
             )
         )
         lv_add(textvar.publish_state(widget.get_value()))