feat(helix-view): dynamic line numbers (#1522)

* feat(helix-view): dynamic line numbers

* docs: describe editor.line-number in more detail

* Make dynamic numbers the default behavior of `relative`
This commit is contained in:
Andrew Neth 2022-01-25 09:18:01 -06:00 committed by GitHub
parent 48a0c80652
commit 333c2949c2
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3 changed files with 17 additions and 13 deletions

View file

@ -34,7 +34,7 @@ hidden = false
| `middle-click-paste` | Middle click paste support. | `true` |
| `scroll-lines` | Number of lines to scroll per scroll wheel step. | `3` |
| `shell` | Shell to use when running external commands. | Unix: `["sh", "-c"]`<br/>Windows: `["cmd", "/C"]` |
| `line-number` | Line number display (`absolute`, `relative`) | `absolute` |
| `line-number` | Line number display: `absolute` simply shows each line's number, while `relative` shows the distance from the current line. When unfocused or in insert mode, `relative` will still show absolute line numbers. | `absolute` |
| `smart-case` | Enable smart case regex searching (case insensitive unless pattern contains upper case characters) | `true` |
| `auto-pairs` | Enable automatic insertion of pairs to parenthese, brackets, etc. | `true` |
| `auto-completion` | Enable automatic pop up of auto-completion. | `true` |

View file

@ -170,7 +170,9 @@ impl Default for CursorShapeConfig {
pub enum LineNumber {
/// Show absolute line number
Absolute,
/// Show relative line number to the primary cursor
/// If focused and in normal/select mode, show relative line number to the primary cursor.
/// If unfocused or in insert mode, show absolute line number.
Relative,
}

View file

@ -58,29 +58,31 @@ pub fn line_number<'doc>(
.char_to_line(doc.selection(view.id).primary().cursor(text));
let config = config.line_number;
let mode = doc.mode;
Box::new(move |line: usize, selected: bool, out: &mut String| {
if line == last_line && !draw_last {
write!(out, "{:>1$}", '~', width).unwrap();
Some(linenr)
} else {
use crate::editor::LineNumber;
let line = match config {
LineNumber::Absolute => line + 1,
LineNumber::Relative => {
if current_line == line {
line + 1
} else {
abs_diff(current_line, line)
}
}
use crate::{document::Mode, editor::LineNumber};
let relative = config == LineNumber::Relative
&& mode != Mode::Insert
&& is_focused
&& current_line != line;
let display_num = if relative {
abs_diff(current_line, line)
} else {
line + 1
};
let style = if selected && is_focused {
linenr_select
} else {
linenr
};
write!(out, "{:>1$}", line, width).unwrap();
write!(out, "{:>1$}", display_num, width).unwrap();
Some(style)
}
})