From 8f6f3290573649e3ca8cadda3541fdda45587f23 Mon Sep 17 00:00:00 2001
From: Blaž Hrastnik
Date: Mon, 17 May 2021 16:36:13 +0900
Subject: If switching to a previously open buffer in the same view, keep it's
 old offset

---
 helix-view/src/editor.rs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

(limited to 'helix-view')

diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs
index 43311484..cf4dce28 100644
--- a/helix-view/src/editor.rs
+++ b/helix-view/src/editor.rs
@@ -81,11 +81,15 @@ impl Editor {
                 view.jumps.push(jump);
                 view.doc = id;
                 view.first_line = 0;
-                let view_id = view.id;
+
+                let (view, doc) = self.current();
 
                 // initialize selection for view
-                let doc = &mut self.documents[id];
-                doc.selections.insert(view_id, Selection::point(0));
+                let selection = doc.selections.entry(view.id).or_insert(Selection::point(0));
+                // TODO: reuse align_view
+                let pos = selection.cursor();
+                let line = doc.text().char_to_line(pos);
+                view.first_line = line.saturating_sub(view.area.height as usize / 2);
 
                 return;
             }
-- 
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