diff options
Diffstat (limited to 'helix-term')
| -rw-r--r-- | helix-term/src/ui/editor.rs | 150 |
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; } } |