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feat(tui): add syntax highlighting for code panes using syntect and a new highlight module

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This commit is contained in:
vikingowl
2025-10-13 22:50:25 +02:00
parent ba9d083088
commit c9daf68fea
4 changed files with 123 additions and 5 deletions
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23
crates/owlen-tui/src/ui.rs
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@@ -12,6 +12,7 @@ use unicode_segmentation::UnicodeSegmentation;
use unicode_width::UnicodeWidthStr;
use crate::chat_app::{ChatApp, HELP_TAB_COUNT, MessageRenderContext, ModelSelectorItemKind};
use crate::highlight;
use crate::state::{
CodePane, EditorTab, FileFilterMode, FileNode, LayoutNode, PaletteGroup, PaneId,
RepoSearchRowKind, SplitAxis, VisibleFileEntry,
@@ -2338,6 +2339,8 @@ fn render_code_pane(
.add_modifier(Modifier::ITALIC),
)));
} else {
let mut highlighter =
highlight::build_highlighter(pane.absolute_path(), pane.display_path());
for (idx, content) in pane.lines.iter().enumerate() {
let number = format!("{:>4} ", idx + 1);
let mut spans = vec![Span::styled(
@@ -2347,12 +2350,22 @@ fn render_code_pane(
.add_modifier(Modifier::DIM),
)];
let mut line_style = Style::default().fg(theme.text);
if !is_active {
line_style = line_style.add_modifier(Modifier::DIM);
let segments = highlight::highlight_line(&mut highlighter, content);
if segments.is_empty() {
let mut line_style = Style::default().fg(theme.text);
if !is_active {
line_style = line_style.add_modifier(Modifier::DIM);
}
spans.push(Span::styled(content.clone(), line_style));
} else {
for (segment_style, text) in segments {
let mut style = segment_style;
if !is_active {
style = style.add_modifier(Modifier::DIM);
}
spans.push(Span::styled(text, style));
}
}
spans.push(Span::styled(content.clone(), line_style));
lines.push(Line::from(spans));
}
}