From c0c262c971e2de7eb88382a9104b94c0d9460706 Mon Sep 17 00:00:00 2001
From: Nathan Byrd <techy1@gmail.com>
Date: Wed, 20 Sep 2023 23:30:01 +0000
Subject: [PATCH] Added insert and delete rows

---
 core/art.js | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/core/art.js b/core/art.js
index f6c0c4d9..114800ee 100644
--- a/core/art.js
+++ b/core/art.js
@@ -322,6 +322,29 @@ function display(client, art, options, cb) {
         });
     });
 
+    ansiParser.on('insert line', (row, numLines) => {
+        _.forEach(mciMap, (mciInfo) => {
+            if (mciInfo.position[0] >= row) {
+                mciInfo.position[0] += numLines;
+            }
+        });
+    });
+
+    ansiParser.on('delete line', (row, numLines) => {
+        _.forEach(mciMap, (mciInfo, mapKey) => {
+            if (mciInfo.position[0] >= row) {
+                if(mciInfo.position[0] < row + numLines) {
+                    // unlike scrolling, the rows are actually gone,
+                    // so we need to delete any MCI's that are in them
+                    delete mciMap[mapKey];
+                }
+                else {
+                    mciInfo.position[0] -= numLines;
+                }
+            }
+        });
+    });
+
     ansiParser.on('literal', literal => client.term.write(literal, false));
     ansiParser.on('control', control => client.term.rawWrite(control));