2 files changed, 28 insertions, 6 deletions
diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs
index 7e8548e7..e5ba0d51 100644
--- a/helix-view/src/editor.rs
+++ b/helix-view/src/editor.rs
@@ -18,6 +18,26 @@ pub use helix_core::register::Registers;
 use helix_core::syntax;
 use helix_core::Position;
 
+use serde::Deserialize;
+
+#[derive(Debug, Clone, PartialEq, Deserialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct Config {
+    /// Padding to keep between the edge of the screen and the cursor when scrolling. Defaults to 5.
+    pub scrolloff: usize,
+    /// Mouse support. Defaults to true.
+    pub mouse: bool,
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            scrolloff: 5,
+            mouse: true,
+        }
+    }
+}
+
 #[derive(Debug)]
 pub struct Editor {
     pub tree: Tree,
@@ -33,6 +53,8 @@ pub struct Editor {
     pub theme_loader: Arc<theme::Loader>,
 
     pub status_msg: Option<(String, Severity)>,
+
+    pub config: Config,
 }
 
 #[derive(Debug, Copy, Clone)]
@@ -48,6 +70,7 @@ impl Editor {
         mut area: Rect,
         themes: Arc<theme::Loader>,
         config_loader: Arc<syntax::Loader>,
+        config: Config,
     ) -> Self {
         let language_servers = helix_lsp::Registry::new();
 
@@ -66,6 +89,7 @@ impl Editor {
             registers: Registers::default(),
             clipboard_provider: get_clipboard_provider(),
             status_msg: None,
+            config,
         }
     }
 
@@ -108,7 +132,7 @@ impl Editor {
     fn _refresh(&mut self) {
         for (view, _) in self.tree.views_mut() {
             let doc = &self.documents[view.doc];
-            view.ensure_cursor_in_view(doc)
+            view.ensure_cursor_in_view(doc, self.config.scrolloff)
         }
     }
 
@@ -267,7 +291,7 @@ impl Editor {
     pub fn ensure_cursor_in_view(&mut self, id: ViewId) {
         let view = self.tree.get_mut(id);
         let doc = &self.documents[view.doc];
-        view.ensure_cursor_in_view(doc)
+        view.ensure_cursor_in_view(doc, self.config.scrolloff)
     }
 
     pub fn document(&self, id: DocumentId) -> Option<&Document> {
diff --git a/helix-view/src/view.rs b/helix-view/src/view.rs
index 62ab2642..25efbde5 100644
--- a/helix-view/src/view.rs
+++ b/helix-view/src/view.rs
@@ -8,8 +8,6 @@ use helix_core::{
     Position, RopeSlice, Selection,
 };
 
-pub const PADDING: usize = 5;
-
 type Jump = (DocumentId, Selection);
 
 #[derive(Debug)]
@@ -84,7 +82,7 @@ impl View {
         }
     }
 
-    pub fn ensure_cursor_in_view(&mut self, doc: &Document) {
+    pub fn ensure_cursor_in_view(&mut self, doc: &Document, scrolloff: usize) {
         let cursor = doc
             .selection(self.id)
             .primary()
@@ -95,7 +93,7 @@ impl View {
         let height = self.area.height.saturating_sub(1); // - 1 for statusline
         let last_line = (self.first_line + height as usize).saturating_sub(1);
 
-        let scrolloff = PADDING.min(self.area.height as usize / 2); // TODO: user pref
+        let scrolloff = scrolloff.min(self.area.height as usize / 2);
 
         // TODO: not ideal
         const OFFSET: usize = 7; // 1 diagnostic + 5 linenr + 1 gutter