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-rw-r--r--helix-term/src/ui/editor.rs150
1 files changed, 91 insertions, 59 deletions
diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index 27d33d22..8c4ea9cc 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -17,7 +17,7 @@ use helix_core::{
};
use helix_view::{
document::{Mode, SCRATCH_BUFFER_NAME},
- editor::LineNumber,
+ editor::{Config, LineNumber},
graphics::{CursorKind, Modifier, Rect, Style},
info::Info,
input::KeyEvent,
@@ -412,22 +412,6 @@ impl EditorView {
let text = doc.text().slice(..);
let last_line = view.last_line(doc);
- let linenr = theme.get("ui.linenr");
- let linenr_select: Style = theme.try_get("ui.linenr.selected").unwrap_or(linenr);
-
- let warning = theme.get("warning");
- let error = theme.get("error");
- let info = theme.get("info");
- let hint = theme.get("hint");
-
- // Whether to draw the line number for the last line of the
- // 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();
-
- let current_line = doc
- .text()
- .char_to_line(doc.selection(view.id).primary().cursor(text));
-
// it's used inside an iterator so the collect isn't needless:
// https://github.com/rust-lang/rust-clippy/issues/6164
#[allow(clippy::needless_collect)]
@@ -437,51 +421,99 @@ impl EditorView {
.map(|range| range.cursor_line(text))
.collect();
- for (i, line) in (view.offset.row..(last_line + 1)).enumerate() {
- use helix_core::diagnostic::Severity;
- if let Some(diagnostic) = doc.diagnostics().iter().find(|d| d.line == line) {
- surface.set_stringn(
- viewport.x,
- viewport.y + i as u16,
- "●",
- 1,
- match diagnostic.severity {
- Some(Severity::Error) => error,
- Some(Severity::Warning) | None => warning,
- Some(Severity::Info) => info,
- Some(Severity::Hint) => hint,
- },
- );
- }
+ fn diagnostic(
+ doc: &Document,
+ _view: &View,
+ theme: &Theme,
+ _config: &Config,
+ _is_focused: bool,
+ _width: usize,
+ ) -> GutterFn {
+ let warning = theme.get("warning");
+ let error = theme.get("error");
+ let info = theme.get("info");
+ let hint = theme.get("hint");
+ let diagnostics = doc.diagnostics().to_vec(); // TODO
+
+ Box::new(move |line: usize, _selected: bool| {
+ use helix_core::diagnostic::Severity;
+ if let Some(diagnostic) = diagnostics.iter().find(|d| d.line == line) {
+ return Some((
+ "●".to_string(),
+ match diagnostic.severity {
+ Some(Severity::Error) => error,
+ Some(Severity::Warning) | None => warning,
+ Some(Severity::Info) => info,
+ Some(Severity::Hint) => hint,
+ },
+ ));
+ }
+ None
+ })
+ }
- let selected = cursors.contains(&line);
+ fn line_number(
+ doc: &Document,
+ view: &View,
+ theme: &Theme,
+ config: &Config,
+ is_focused: bool,
+ width: usize,
+ ) -> GutterFn {
+ let text = doc.text().slice(..);
+ let last_line = view.last_line(doc);
+ // Whether to draw the line number for the last line of the
+ // 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();
- let text = if line == last_line && !draw_last {
- " ~".into()
- } else {
- let line = match config.line_number {
- LineNumber::Absolute => line + 1,
- LineNumber::Relative => {
- if current_line == line {
- line + 1
- } else {
- abs_diff(current_line, line)
- }
- }
- };
- format!("{:>5}", line)
- };
- surface.set_stringn(
- viewport.x + 1,
- viewport.y + i as u16,
- text,
- 5,
- if selected && is_focused {
- linenr_select
+ let linenr = theme.get("ui.linenr");
+ let linenr_select: Style = theme.try_get("ui.linenr.selected").unwrap_or(linenr);
+
+ let current_line = doc
+ .text()
+ .char_to_line(doc.selection(view.id).primary().cursor(text));
+
+ let config = config.line_number;
+
+ Box::new(move |line: usize, selected: bool| {
+ if line == last_line && !draw_last {
+ Some((format!("{:>1$}", '~', width), linenr))
} else {
- linenr
- },
- );
+ let line = match config {
+ LineNumber::Absolute => line + 1,
+ LineNumber::Relative => {
+ if current_line == line {
+ line + 1
+ } else {
+ abs_diff(current_line, line)
+ }
+ }
+ };
+ let style = if selected && is_focused {
+ linenr_select
+ } else {
+ linenr
+ };
+ Some((format!("{:>1$}", line, width), style))
+ }
+ })
+ }
+
+ type GutterFn = Box<dyn Fn(usize, bool) -> Option<(String, Style)>>;
+ type Gutter = fn(&Document, &View, &Theme, &Config, bool, usize) -> GutterFn;
+ let gutters: &[(Gutter, usize)] = &[(diagnostic, 1), (line_number, 5)];
+
+ let mut offset = 0;
+ for (constructor, width) in gutters {
+ let gutter = constructor(doc, view, theme, config, is_focused, *width);
+ for (i, line) in (view.offset.row..(last_line + 1)).enumerate() {
+ let selected = cursors.contains(&line);
+
+ if let Some((text, style)) = gutter(line, selected) {
+ surface.set_stringn(viewport.x + offset, viewport.y + i as u16, text, 5, style);
+ }
+ }
+ offset += *width as u16;
}
}