Feat/enable editing in middle

lib/src/pinput.dart

@@ -77,6 +77,7 @@ class Pinput extends StatefulWidget {
     this.enabled = true,
     this.readOnly = false,
     this.useNativeKeyboard = true,
+    this.enableEditingInMiddle = false,
     this.toolbarEnabled = true,
     this.autofocus = false,
     this.obscureText = false,
@@ -86,6 +87,7 @@ class Pinput extends StatefulWidget {
     this.enableSuggestions = true,
     this.hapticFeedbackType = HapticFeedbackType.disabled,
     this.closeKeyboardWhenCompleted = true,
+    this.callOnCompletedOnlyOnUnfocus = false,
     this.keyboardType = TextInputType.number,
     this.textCapitalization = TextCapitalization.none,
     this.slideTransitionBeginOffset,
@@ -141,12 +143,14 @@ class Pinput extends StatefulWidget {
     this.enabled = true,
     this.readOnly = false,
     this.useNativeKeyboard = true,
+    this.enableEditingInMiddle = false,
     this.toolbarEnabled = true,
     this.autofocus = false,
     this.enableIMEPersonalizedLearning = false,
     this.enableSuggestions = true,
     this.hapticFeedbackType = HapticFeedbackType.disabled,
     this.closeKeyboardWhenCompleted = true,
+    this.callOnCompletedOnlyOnUnfocus = false,
     this.keyboardType = TextInputType.number,
     this.textCapitalization = TextCapitalization.none,
     this.keyboardAppearance,
@@ -216,6 +220,10 @@ class Pinput extends StatefulWidget {
   /// If true keyboard will be closed
   final bool closeKeyboardWhenCompleted;
 
+  /// If true, onCompleted will only be called when the field loses focus and all cells are filled.
+  /// If false (default), onCompleted will be called immediately when all cells are filled during editing.
+  final bool callOnCompletedOnlyOnUnfocus;
+
   /// Displayed fields count. PIN code length.
   final int length;
 
@@ -312,6 +320,10 @@ class Pinput extends StatefulWidget {
   /// so you should set value of [Pinput]'s [TextEditingController] programmatically
   final bool useNativeKeyboard;
 
+  /// Whether to enable editing PIN from the middle by tapping on individual PIN positions
+  /// When enabled, users can tap on any position to place the cursor there and edit from that position
+  final bool enableEditingInMiddle;
+
   /// If true, paste button will appear on longPress event
   final bool toolbarEnabled;
 
@@ -508,6 +520,13 @@ class Pinput extends StatefulWidget {
         defaultValue: true,
       ),
     );
+    properties.add(
+      DiagnosticsProperty<bool>(
+        'callOnCompletedOnlyOnUnfocus',
+        callOnCompletedOnlyOnUnfocus,
+        defaultValue: false,
+      ),
+    );
     properties.add(
       DiagnosticsProperty<TextInputType>(
         'keyboardType',
@@ -656,6 +675,13 @@ class Pinput extends StatefulWidget {
         defaultValue: true,
       ),
     );
+    properties.add(
+      DiagnosticsProperty<bool>(
+        'enablePinAutofill',
+        enableEditingInMiddle,
+        defaultValue: true,
+      ),
+    );
     properties.add(
       DiagnosticsProperty<bool>(
         'showCursor',