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fix(event): allow using components without registering events

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This commit is contained in:
Gabor Kiss-Vamosi
2025-03-19 14:06:40 +01:00
parent b27fe9de2b
commit 22e0ebb999
1 changed files with 15 additions and 12 deletions
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src/others/xml/parsers/lv_xml_event_parser.c
+15 -12
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@@ -42,17 +42,6 @@ void * lv_xml_event_call_function_create(lv_xml_parser_state_t * state, const ch
{
LV_UNUSED(attrs);
const char * cb_txt = lv_xml_get_value_of(attrs, "callback");
if(cb_txt == NULL) {
LV_LOG_WARN("callback is mandatory for event-call_function");
return NULL;
}
lv_event_cb_t cb = lv_xml_get_event_cb(&state->ctx, cb_txt);
if(cb == NULL) {
LV_LOG_WARN("Couldn't add call function event because \"%s\" callback is not found.", cb_txt);
return NULL;
}
const char * trigger = lv_xml_get_value_of(attrs, "trigger");
lv_event_code_t code = LV_EVENT_CLICKED;
@@ -62,11 +51,25 @@ void * lv_xml_event_call_function_create(lv_xml_parser_state_t * state, const ch
return NULL;
}
const char * cb_txt = lv_xml_get_value_of(attrs, "callback");
if(cb_txt == NULL) {
LV_LOG_WARN("callback is mandatory for event-call_function");
return NULL;
}
lv_obj_t * obj = lv_xml_state_get_parent(state);
lv_event_cb_t cb = lv_xml_get_event_cb(&state->ctx, cb_txt);
if(cb == NULL) {
LV_LOG_WARN("Couldn't add call function event because \"%s\" callback is not found.", cb_txt);
/*Don't return NULL.
*When the component is isolated e.g. in the editor the callback is not registered */
return obj;
}
const char * user_data_xml = lv_xml_get_value_of(attrs, "user_data");
char * user_data = NULL;
if(user_data_xml) user_data = lv_strdup(user_data_xml);
lv_obj_t * obj = lv_xml_state_get_parent(state);
lv_obj_add_event_cb(obj, cb, code, user_data);
if(user_data) lv_obj_add_event_cb(obj, free_user_data_event_cb, LV_EVENT_DELETE, user_data);