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feat: add zebra-stripe option

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This commit is contained in:
Noah Baldwin 2025-01-27 21:56:54 +11:00
parent 70d452db3e
commit 7c334b8edd
2 changed files with 21 additions and 0 deletions
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18
helix-term/src/ui/editor.rs
View file

@ -93,6 +93,10 @@ impl EditorView {
let text_annotations = view.text_annotations(doc, Some(theme));
let mut decorations = DecorationManager::default();
if config.zebra_stripe {
decorations.add_decoration(Self::zebra_stripe(view, theme));
}
if is_focused && config.cursorline {
decorations.add_decoration(Self::cursorline(doc, view, theme));
}
@ -788,6 +792,20 @@ impl EditorView {
);
}
pub fn zebra_stripe(view: &View, theme: &Theme) -> impl Decoration {
let style = theme.get("ui.background.zebra-stripe");
let viewport = view.area;
move |renderer: &mut TextRenderer, pos: LinePos| {
if pos.doc_line % 2 == 1 {
return;
}
let area = Rect::new(viewport.x, pos.visual_line, viewport.width, 1);
renderer.set_style(area, style);
}
}
/// Apply the highlighting on the lines where a cursor is active
pub fn cursorline(doc: &Document, view: &View, theme: &Theme) -> impl Decoration {
let text = doc.text().slice(..);

3
helix-view/src/editor.rs
View file

@ -256,6 +256,8 @@ pub struct Config {
pub shell: Vec<String>,
/// Line number mode.
pub line_number: LineNumber,
/// Highlight every other line. Defaults to false.
pub zebra_stripe: bool,
/// Highlight the lines cursors are currently on. Defaults to false.
pub cursorline: bool,
/// Highlight the columns cursors are currently on. Defaults to false.
@ -956,6 +958,7 @@ impl Default for Config {
vec!["sh".to_owned(), "-c".to_owned()]
},
line_number: LineNumber::Absolute,
zebra_stripe: false,
cursorline: false,
cursorcolumn: false,
gutters: GutterConfig::default(),