aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--helix-term/src/ui/editor.rs16
-rw-r--r--helix-view/src/editor.rs8
2 files changed, 14 insertions, 10 deletions
diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index 72c9d15e..2cd2ad05 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -227,16 +227,16 @@ impl EditorView {
_theme: &Theme,
) -> Box<dyn Iterator<Item = HighlightEvent> + 'doc> {
let text = doc.text().slice(..);
- let last_line = std::cmp::min(
- // Saturating subs to make it inclusive zero indexing.
- (offset.row + height as usize).saturating_sub(1),
- doc.text().len_lines().saturating_sub(1),
- );
let range = {
- // calculate viewport byte ranges
- let start = text.line_to_byte(offset.row);
- let end = text.line_to_byte(last_line + 1);
+ // Calculate viewport byte ranges:
+ // Saturating subs to make it inclusive zero indexing.
+ let last_line = doc.text().len_lines().saturating_sub(1);
+ let last_visible_line = (offset.row + height as usize)
+ .saturating_sub(1)
+ .min(last_line);
+ let start = text.line_to_byte(offset.row.min(last_line));
+ let end = text.line_to_byte(last_visible_line + 1);
start..end
};
diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs
index 47edf303..bb9616e8 100644
--- a/helix-view/src/editor.rs
+++ b/helix-view/src/editor.rs
@@ -1223,9 +1223,11 @@ impl Editor {
pub fn focus(&mut self, view_id: ViewId) {
let prev_id = std::mem::replace(&mut self.tree.focus, view_id);
- // if leaving the view: mode should reset
+ // if leaving the view: mode should reset and the cursor should be
+ // within view
if prev_id != view_id {
self.mode = Mode::Normal;
+ self.ensure_cursor_in_view(view_id);
}
}
@@ -1234,9 +1236,11 @@ impl Editor {
self.tree.focus_next();
let id = self.tree.focus;
- // if leaving the view: mode should reset
+ // if leaving the view: mode should reset and the cursor should be
+ // within view
if prev_id != id {
self.mode = Mode::Normal;
+ self.ensure_cursor_in_view(id);
}
}