diff options
| author | Pascal Kuthe | 2023-09-12 19:12:36 +0000 |
|---|---|---|
| committer | Blaž Hrastnik | 2023-09-14 02:00:28 +0000 |
| commit | 13d4463e4146473391e37b7f75e99b731aa55878 (patch) | |
| tree | f85a47272df8a9e429b9f4f230feaf59ca536c59 | |
| parent | e9d0bd7aefda6962b56245eb7d0f56b5d2fa4859 (diff) | |
correctly center items in picker preview
| -rw-r--r-- | helix-term/src/ui/picker.rs | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/helix-term/src/ui/picker.rs b/helix-term/src/ui/picker.rs index 7e745f72..2c41fc12 100644 --- a/helix-term/src/ui/picker.rs +++ b/helix-term/src/ui/picker.rs @@ -710,18 +710,30 @@ impl<T: Item + 'static> Picker<T> { }; let mut offset = ViewPosition::default(); - if let Some(range) = range { - let text_fmt = doc.text_format(inner.width, None); - let annotations = TextAnnotations::default(); - (offset.anchor, offset.vertical_offset) = char_idx_at_visual_offset( - doc.text().slice(..), - doc.text().line_to_char(range.0), - // align to middle - -(inner.height as isize / 2), - 0, - &text_fmt, - &annotations, - ); + if let Some((start_line, end_line)) = range { + let height = end_line - start_line; + let text = doc.text().slice(..); + let start = text.line_to_char(start_line); + let middle = text.line_to_char(start_line + height / 2); + if height < inner.height as usize { + let text_fmt = doc.text_format(inner.width, None); + let annotations = TextAnnotations::default(); + (offset.anchor, offset.vertical_offset) = char_idx_at_visual_offset( + text, + middle, + // align to middle + -(inner.height as isize / 2), + 0, + &text_fmt, + &annotations, + ); + if start < offset.anchor { + offset.anchor = start; + offset.vertical_offset = 0; + } + } else { + offset.anchor = start; + } } let mut highlights = EditorView::doc_syntax_highlights( |