From b05d37fe6bf85f81404102e0e791db65a0ab33ef Mon Sep 17 00:00:00 2001
From: Matt Fisher <mfisher87@gmail.com>
Date: Mon, 24 Nov 2025 14:01:26 -0700
Subject: [PATCH] Fix scroll jumping behavior

I was experiencing jumping scroll playing with module 4's notebook.
This setting worked for me. This is fixed in JupyterLab 4.5, but
JupyterGIS is stuck at 4.4.x.
---
 docker/overrides.json | 8 ++++++++
 docker/postBuild      | 4 ++++
 2 files changed, 12 insertions(+)
 create mode 100644 docker/overrides.json

diff --git a/docker/overrides.json b/docker/overrides.json
new file mode 100644
index 0000000..5d4e2c3
--- /dev/null
+++ b/docker/overrides.json
@@ -0,0 +1,8 @@
+{
+  "@jupyterlab/notebook-extension:tracker": {
+    "scrollPastEnd": false
+  },
+  "@jupyterlab/apputils-extension:notification": {
+    "fetchNews": "false"
+  }
+}
diff --git a/docker/postBuild b/docker/postBuild
index eea666a..2731264 100755
--- a/docker/postBuild
+++ b/docker/postBuild
@@ -7,3 +7,7 @@ set -euo pipefail
 # used in the JupyterHub.
 cp custom_jupyter_server_config.json ${NB_PYTHON_PREFIX}/etc/jupyter/jupyter_server_config.d/
 cp custom_jupyter_server_config.json ${NB_PYTHON_PREFIX}/etc/jupyter/jupyter_notebook_config.d/
+
+# Install settings overrides, including fix for jumping-scroll behavior
+mkdir -p ${NB_PYTHON_PREFIX}/share/jupyter/lab/settings
+cp overrides.json ${NB_PYTHON_PREFIX}/share/jupyter/lab/settings