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-rw-r--r--helix-term/src/ui/editor.rs11
1 files changed, 10 insertions, 1 deletions
diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index 40b57b85..769771af 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -330,7 +330,16 @@ impl EditorView {
// document or not. We only draw it if it's not an empty line.
let draw_last = text.line_to_byte(last_line) < text.len_bytes();
- for (i, line) in (view.first_line..=last_line).enumerate() {
+ // This is a little confuding: We can't use the `last_line` variable for
+ // our iteration below, because there's a mismatch between the
+ // inclusive/exclusiveness of the screen-based last line and the
+ // text-based last line. So we compute what we actually need specially here.
+ let last_line_number = std::cmp::min(
+ view.first_line + view.area.height.saturating_sub(1) as usize,
+ doc.text().len_lines(),
+ );
+
+ for (i, line) in (view.first_line..last_line_number).enumerate() {
use helix_core::diagnostic::Severity;
if let Some(diagnostic) = doc.diagnostics().iter().find(|d| d.line == line) {
surface.set_stringn(