From f5a4eed27c7e249cfdb80e43008f4dd807f7cd40 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Breitbart?= <jerch@rockborn.de>
Date: Sun, 27 Sep 2020 15:59:11 +0200
Subject: [PATCH] add super.dispose, add oDispose to API

---
 src/common/Types.d.ts       | 1 +
 src/common/buffer/Marker.ts | 1 +
 typings/xterm.d.ts          | 7 +++++++
 3 files changed, 9 insertions(+)

diff --git a/src/common/Types.d.ts b/src/common/Types.d.ts
index 6ce69483..bd0d11c6 100644
--- a/src/common/Types.d.ts
+++ b/src/common/Types.d.ts
@@ -183,6 +183,7 @@ export interface IMarker extends IDisposable {
   readonly id: number;
   readonly isDisposed: boolean;
   readonly line: number;
+  onDispose: IEvent<void>;
 }
 export interface IModes {
   insertMode: boolean;
diff --git a/src/common/buffer/Marker.ts b/src/common/buffer/Marker.ts
index 9a4256d3..72c4085c 100644
--- a/src/common/buffer/Marker.ts
+++ b/src/common/buffer/Marker.ts
@@ -32,5 +32,6 @@ export class Marker extends Disposable implements IMarker {
     this.line = -1;
     // Emit before super.dispose such that dispose listeners get a change to react
     this._onDispose.fire();
+    super.dispose();
   }
 }
diff --git a/typings/xterm.d.ts b/typings/xterm.d.ts
index 1fc0c853..b5a736a7 100644
--- a/typings/xterm.d.ts
+++ b/typings/xterm.d.ts
@@ -382,6 +382,13 @@ declare module 'xterm' {
      * -1 if the marker has been disposed.
      */
     readonly line: number;
+
+    /**
+     * Event listener to get notified when the marker gets disposed. Automatic disposal
+     * might happen for a marker, that got invalidated by scrolling out or removal of
+     * a line from the buffer.
+     */
+    onDispose: IEvent<void>;
   }
 
   /**