From 7bd077a3ae0e3b69cfb0e36455610e7f3429977b Mon Sep 17 00:00:00 2001
From: Sergey Bugaev <bugaevc@serenityos.org>
Date: Mon, 30 Mar 2020 21:39:26 +0300
Subject: [PATCH] LibGUI: Fix index invalidation

When the model gets updated, we have to let go of the old indexes,
because they're invalid from that moment on.

Fixes https://github.com/SerenityOS/serenity/issues/1541
---
 Libraries/LibGUI/AbstractView.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Libraries/LibGUI/AbstractView.cpp b/Libraries/LibGUI/AbstractView.cpp
index bc06ba4b2c..952064f467 100644
--- a/Libraries/LibGUI/AbstractView.cpp
+++ b/Libraries/LibGUI/AbstractView.cpp
@@ -60,8 +60,10 @@ void AbstractView::set_model(RefPtr<Model> model)
 
 void AbstractView::did_update_model()
 {
-    if (!model() || selection().first() != m_edit_index)
-        stop_editing();
+    stop_editing();
+    m_edit_index = {};
+    m_hovered_index = {};
+    selection().clear();
 }
 
 void AbstractView::did_update_selection()