Get around length limit in chat input on OFW

scenes/esubghz_chat_chat_input.c

@@ -6,26 +6,25 @@
  * then copied into the TX buffer. The contents of the TX buffer are then
  * transmitted. The sent message is appended to the text box and a MsgEntered
  * event is sent to the scene manager to switch to the text box view. */
-static void chat_input_cb(void *context)
+static bool chat_input_validator(const char *text, FuriString *error,
+		void *context)
 {
+	UNUSED(error);
+
 	furi_assert(context);
 	ESubGhzChatState* state = context;
 
 	/* no message, just switch to the text box view */
-#ifdef FW_ORIGIN_Official
-	if (strcmp(state->text_input_store, " ") == 0) {
-#else /* FW_ORIGIN_Official */
-	if (strlen(state->text_input_store) == 0) {
-#endif /* FW_ORIGIN_Official */
-		scene_manager_handle_custom_event(state->scene_manager,
+	if (strlen(text) == 0) {
+		view_dispatcher_send_custom_event(state->view_dispatcher,
 				ESubGhzChatEvent_MsgEntered);
-		return;
+		return true;
 	}
 
 	/* concatenate the name prefix and the actual message */
 	furi_string_set(state->msg_input, state->name_prefix);
 	furi_string_cat_str(state->msg_input, ": ");
-	furi_string_cat_str(state->msg_input, state->text_input_store);
+	furi_string_cat_str(state->msg_input, text);
 
 	/* append the message to the chat box */
 	furi_string_cat_printf(state->chat_box_store, "\n%s",
@@ -38,8 +37,10 @@ static void chat_input_cb(void *context)
 	furi_string_set_char(state->msg_input, 0, 0);
 
 	/* switch to text box view */
-	scene_manager_handle_custom_event(state->scene_manager,
+	view_dispatcher_send_custom_event(state->view_dispatcher,
 			ESubGhzChatEvent_MsgEntered);
+
+	return true;
 }
 
 /* Prepares the message input scene. */
@@ -52,25 +53,22 @@ void scene_on_enter_chat_input(void* context)
 
 	state->text_input_store[0] = 0;
 	text_input_reset(state->text_input);
+	/* use validator for scene change to get around minimum length
+	 * requirement */
 	text_input_set_result_callback(
 			state->text_input,
-			chat_input_cb,
-			state,
+			NULL,
+			NULL,
 			state->text_input_store,
 			sizeof(state->text_input_store),
 			true);
 	text_input_set_validator(
 			state->text_input,
-			NULL,
-			NULL);
+			chat_input_validator,
+			state);
 	text_input_set_header_text(
 			state->text_input,
-#ifdef FW_ORIGIN_Official
-			"Message (space for none)");
-#else /* FW_ORIGIN_Official */
 			"Message");
-	text_input_set_minimum_length(state->text_input, 0);
-#endif /* FW_ORIGIN_Official */
 
 	view_dispatcher_switch_to_view(state->view_dispatcher, ESubGhzChatView_Input);
 }