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perf: do not render inline blame on invisible lines

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This commit is contained in:
Nik Revenco 2025-03-25 12:51:47 +00:00
parent ac0e677fae
commit d34074af1b
1 changed files with 22 additions and 8 deletions

30
helix-term/src/ui/editor.rs
View file

@ -219,15 +219,29 @@ impl EditorView {
};
}
} else if config.inline_blame.behaviour == InlineBlameBehaviour::AllLines {
let blame_for_all_lines = (0..doc.text().len_lines())
let text = doc.text();
let len_lines = text.len_lines();
let view_height = view.inner_height();
let first_visible_line =
text.char_to_line(doc.view_offset(view.id).anchor.min(text.len_chars()));
let first_line = first_visible_line.saturating_sub(view_height);
let last_line = first_visible_line
.saturating_add(view_height.saturating_mul(2))
.min(len_lines);
// Compute ~3 times the current view height of inline blame, that way some scrolling
// will not show half the view with inline blame and half without while still being faster
// than rendering inline blame for the full file.
let blame_for_all_lines = (first_line..last_line)
.filter_map(|line_idx| {
(doc.text().line(line_idx) != doc.line_ending.as_str())
.then(|| {
doc.line_blame(line_idx as u32, &config.inline_blame.format)
.ok()
.map(|blame| (line_idx, blame))
})
.flatten()
// do not render inline blame for empty lines to reduce visual noise
if text.line(line_idx) != doc.line_ending.as_str() {
doc.line_blame(line_idx as u32, &config.inline_blame.format)
.ok()
.map(|blame| (line_idx, blame))
} else {
None
}
})
.collect();
decorations.add_decoration(InlineBlame::new(theme, blame_for_all_lines));