Save and Restore Caret Position When Updating Content (#41)

romainguy · May 8, 2024 · e72e23b · e72e23b
1 parent 2c0a9e7
commit e72e23b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/jvmMain/kotlin/dev/romainguy/kotlin/explorer/code/CodeTextArea.kt b/src/jvmMain/kotlin/dev/romainguy/kotlin/explorer/code/CodeTextArea.kt
@@ -71,6 +71,7 @@ open class CodeTextArea(
     }
 
     private fun updateContent() {
+        val position = caretPosition
         code = null
         when (val content = content) {
             is Empty -> text = ""
@@ -82,6 +83,7 @@ open class CodeTextArea(
                 }
             }
         }
+        caretPosition = minOf(position, document.length)
     }
 
     final override fun addCaretListener(listener: CaretListener?) {