From 613c57c1aa6d3ac466e136f46cdfced46a24e565 Mon Sep 17 00:00:00 2001
From: Joscha <joscha@plugh.de>
Date: Wed, 20 Jul 2022 18:07:44 +0200
Subject: [PATCH] Fix screen scrolling when cursor is at bottom

---
 src/ui/chat/tree/layout.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/ui/chat/tree/layout.rs b/src/ui/chat/tree/layout.rs
index 6b3d128..4f6155f 100644
--- a/src/ui/chat/tree/layout.rs
+++ b/src/ui/chat/tree/layout.rs
@@ -48,7 +48,11 @@ impl<M: Msg, S: MsgStore<M>> InnerTreeViewState<M, S> {
         last_cursor_path: &Path<M::Id>,
         size: Size,
     ) -> i32 {
-        if let Some(block) = last_blocks.find(|b| cursor.matches_block(b)) {
+        if matches!(cursor, Cursor::Bottom) {
+            // Ensures that a Cursor::Bottom is always at the bottom of the
+            // screen. Will be scroll-clamped to the bottom later.
+            0
+        } else if let Some(block) = last_blocks.find(|b| cursor.matches_block(b)) {
             block.line
         } else if last_cursor_path < cursor_path {
             // If the cursor is bottom, the bottom marker needs to be located at