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ui: Only calculate span styling when it's actually in bounds

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This commit is contained in:
Blaž Hrastnik 2021-12-01 12:57:57 +09:00
parent d562e13e1f
commit 7bbf4c5b06
1 changed files with 10 additions and 5 deletions
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15
helix-term/src/ui/editor.rs
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@ -304,17 +304,17 @@ impl EditorView {
use helix_core::graphemes::{grapheme_width, RopeGraphemes};
let style = spans.iter().fold(text_style, |acc, span| {
let style = theme.get(theme.scopes()[span.0].as_str());
acc.patch(style)
});
for grapheme in RopeGraphemes::new(text) {
let out_of_bounds = visual_x < offset.col as u16
|| visual_x >= viewport.width + offset.col as u16;
if LineEnding::from_rope_slice(&grapheme).is_some() {
if !out_of_bounds {
let style = spans.iter().fold(text_style, |acc, span| {
let style = theme.get(theme.scopes()[span.0].as_str());
acc.patch(style)
});
// we still want to render an empty cell with the style
surface.set_string(
viewport.x + visual_x - offset.col as u16,
@ -345,6 +345,11 @@ impl EditorView {
};
if !out_of_bounds {
let style = spans.iter().fold(text_style, |acc, span| {
let style = theme.get(theme.scopes()[span.0].as_str());
acc.patch(style)
});
// if we're offscreen just keep going until we hit a new line
surface.set_string(
viewport.x + visual_x - offset.col as u16,