From 76cd529733733f4d903601c078fd49948ede46f9 Mon Sep 17 00:00:00 2001
From: dom <githubaccount56556@proton.me>
Date: Wed, 10 Jun 2026 19:30:50 +0800
Subject: [PATCH] fix #2378

Signed-off-by: dom <githubaccount56556@proton.me>
---
 .../flutter/text_field/editable_text.dart     | 40 +++++++++----------
 1 file changed, 18 insertions(+), 22 deletions(-)

diff --git a/lib/common/widgets/flutter/text_field/editable_text.dart b/lib/common/widgets/flutter/text_field/editable_text.dart
index 260b74e25..9b35cb3ff 100644
--- a/lib/common/widgets/flutter/text_field/editable_text.dart
+++ b/lib/common/widgets/flutter/text_field/editable_text.dart
@@ -2609,6 +2609,10 @@ class EditableTextState extends State<EditableText>
       selection.baseOffset,
       selection.extentOffset,
     );
+    final TextEditingValue collapsedTextEditingValue = textEditingValue
+        .copyWith(selection: .collapsed(offset: lastSelectionIndex));
+    final newValue = collapsedTextEditingValue.replaced(selection, text);
+
     // bggRGjQaUbCoE _pasteText
     widget.controller.syncRichText(
       selection.isCollapsed
@@ -2616,22 +2620,18 @@ class EditableTextState extends State<EditableText>
               oldText: textEditingValue.text,
               textInserted: text,
               insertionOffset: selection.baseOffset,
-              selection: TextSelection.collapsed(offset: lastSelectionIndex),
-              composing: TextRange.empty,
+              selection: newValue.selection,
+              composing: newValue.composing,
             )
           : TextEditingDeltaReplacement(
               oldText: textEditingValue.text,
               replacementText: text,
               replacedRange: selection,
-              selection: TextSelection.collapsed(offset: lastSelectionIndex),
-              composing: TextRange.empty,
+              selection: newValue.selection,
+              composing: newValue.composing,
             ),
     );
-    final newValue = TextEditingValue(
-      text: widget.controller.plainText,
-      selection: widget.controller.newSelection,
-      composing: TextRange.empty,
-    );
+
     userUpdateTextEditingValue(newValue, cause);
     if (cause == SelectionChangedCause.toolbar) {
       // Schedule a call to bringIntoView() after renderEditable updates.
@@ -5530,33 +5530,29 @@ class EditableTextState extends State<EditableText>
 
   void _replaceText(ReplaceTextIntent intent) {
     final TextEditingValue oldValue = _value;
+    final TextEditingValue newValue = intent.currentTextEditingValue.replaced(
+      intent.replacementRange,
+      intent.replacementText,
+    );
+
     // bggRGjQaUbCoE _replaceText
     widget.controller.syncRichText(
       intent.replacementText.isEmpty
           ? TextEditingDeltaDeletion(
               oldText: oldValue.text,
               deletedRange: intent.replacementRange,
-              selection: TextSelection.collapsed(
-                offset: intent.replacementRange.start,
-              ),
-              composing: TextRange.empty,
+              selection: newValue.selection,
+              composing: newValue.composing,
             )
           : TextEditingDeltaReplacement(
               oldText: oldValue.text,
               replacementText: intent.replacementText,
               replacedRange: intent.replacementRange,
-              selection: TextSelection.collapsed(
-                offset: intent.replacementRange.start,
-              ),
-              composing: TextRange.empty,
+              selection: newValue.selection,
+              composing: newValue.composing,
             ),
     );
 
-    final newValue = TextEditingValue(
-      text: widget.controller.plainText,
-      selection: widget.controller.newSelection,
-      composing: TextRange.empty,
-    );
     userUpdateTextEditingValue(newValue, intent.cause);
 
     // If there's no change in text and selection (e.g. when selecting and