From 575d2e73fe78e7e2e1214018be0c6ee14a84ff2f Mon Sep 17 00:00:00 2001
From: Mikolaj <mdemkow@gmail.com>
Date: Sun, 22 Oct 2023 00:24:24 +0200
Subject: [PATCH] Adding mechanism to fix copy paste behaviour for otp input

---
 .../lib/view/widgets/welcome/otp_input.dart   | 19 +++++++++++++++++++
 .../view/widgets/welcome/otp_input_field.dart |  4 +++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/recipients_app/lib/view/widgets/welcome/otp_input.dart b/recipients_app/lib/view/widgets/welcome/otp_input.dart
index 2c1633c01..d8413b032 100644
--- a/recipients_app/lib/view/widgets/welcome/otp_input.dart
+++ b/recipients_app/lib/view/widgets/welcome/otp_input.dart
@@ -27,6 +27,24 @@ class _OtpInputState extends State<OtpInput> {
     digit4Controller = TextEditingController();
     digit5Controller = TextEditingController();
     digit6Controller = TextEditingController();
+
+    final controllers = [
+      digit1Controller,
+      digit2Controller,
+      digit3Controller,
+      digit4Controller,
+      digit5Controller,
+      digit6Controller,
+    ];
+
+    digit1Controller.addListener(() {
+      final text = digit1Controller.text;
+      if (text.length > 1) {
+        for (int i = 0; i < text.length; i++) {
+          controllers[i].text = text[i];
+        }
+      }
+    });
   }
 
   @override
@@ -54,6 +72,7 @@ class _OtpInputState extends State<OtpInput> {
             }
             _checkCodeStatus();
           },
+          isFirstField: true,
         ),
         OtpInputField(
           controller: digit2Controller,
diff --git a/recipients_app/lib/view/widgets/welcome/otp_input_field.dart b/recipients_app/lib/view/widgets/welcome/otp_input_field.dart
index 372cf3d6c..95433649c 100644
--- a/recipients_app/lib/view/widgets/welcome/otp_input_field.dart
+++ b/recipients_app/lib/view/widgets/welcome/otp_input_field.dart
@@ -4,11 +4,13 @@ import "package:flutter/material.dart";
 class OtpInputField extends StatelessWidget {
   final TextEditingController? controller;
   final Function(String?)? onChanged;
+  final bool isFirstField;
 
   const OtpInputField({
     super.key,
     this.controller,
     this.onChanged,
+    this.isFirstField = false,
   });
 
   @override
@@ -43,7 +45,7 @@ class OtpInputField extends StatelessWidget {
             validator: null,
             textAlign: TextAlign.center,
             keyboardType: TextInputType.number,
-            maxLength: 1,
+            maxLength: isFirstField ? 6 : 1,
           ),
         ),
       ),