diff options
| -rw-r--r-- | book/src/themes.md | 1 | ||||
| -rw-r--r-- | helix-term/src/ui/editor.rs | 17 | ||||
| -rw-r--r-- | helix-view/src/document.rs | 6 | ||||
| -rw-r--r-- | helix-view/src/editor.rs | 36 |
4 files changed, 35 insertions, 25 deletions
diff --git a/book/src/themes.md b/book/src/themes.md index ecbbb6e9..6b38fb43 100644 --- a/book/src/themes.md +++ b/book/src/themes.md @@ -173,7 +173,6 @@ These scopes are used for theming the editor interface. | `ui.cursor.insert` | | | `ui.cursor.select` | | | `ui.cursor.match` | Matching bracket etc. | -| `ui.cursor.primary` | Cursor with primary selection | | `ui.linenr` | | | `ui.linenr.selected` | | | `ui.statusline` | Statusline | diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs index 8ad54dbd..e8f8fd9b 100644 --- a/helix-term/src/ui/editor.rs +++ b/helix-term/src/ui/editor.rs @@ -233,24 +233,23 @@ impl EditorView { } .unwrap_or(base_cursor_scope); - let primary_cursor_scope = theme - .find_scope_index("ui.cursor.primary") - .unwrap_or(cursor_scope); let primary_selection_scope = theme .find_scope_index("ui.selection.primary") .unwrap_or(selection_scope); let mut spans: Vec<(usize, std::ops::Range<usize>)> = Vec::new(); for (i, range) in selection.iter().enumerate() { - let (cursor_scope, selection_scope) = if i == primary_idx { - (primary_cursor_scope, primary_selection_scope) + let selection_is_primary = i == primary_idx; + let selection_scope = if selection_is_primary { + primary_selection_scope } else { - (cursor_scope, selection_scope) + selection_scope }; // Special-case: cursor at end of the rope. if range.head == range.anchor && range.head == text.len_chars() { - if i != primary_idx { + if !selection_is_primary { + // Terminal cursor acts as the primary cursor spans.push((cursor_scope, range.head..range.head + 1)); } continue; @@ -261,13 +260,13 @@ impl EditorView { // Standard case. let cursor_start = prev_grapheme_boundary(text, range.head); spans.push((selection_scope, range.anchor..cursor_start)); - if i != primary_idx { + if !selection_is_primary { spans.push((cursor_scope, cursor_start..range.head)); } } else { // Reverse case. let cursor_end = next_grapheme_boundary(text, range.head); - if i != primary_idx { + if !selection_is_primary { spans.push((cursor_scope, range.head..cursor_end)); } spans.push((selection_scope, cursor_end..range.anchor)); diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs index 76b19a07..01975452 100644 --- a/helix-view/src/document.rs +++ b/helix-view/src/document.rs @@ -29,9 +29,9 @@ pub const SCRATCH_BUFFER_NAME: &str = "[scratch]"; #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)] pub enum Mode { - Normal, - Select, - Insert, + Normal = 0, + Select = 1, + Insert = 2, } impl Display for Mode { diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs index b558c183..a121a836 100644 --- a/helix-view/src/editor.rs +++ b/helix-view/src/editor.rs @@ -22,10 +22,10 @@ use anyhow::Error; pub use helix_core::diagnostic::Severity; pub use helix_core::register::Registers; -use helix_core::{hashmap, syntax}; +use helix_core::syntax; use helix_core::{Position, Selection}; -use serde::Deserialize; +use serde::{Deserialize, Deserializer}; fn deserialize_duration_millis<'de, D>(deserializer: D) -> Result<Duration, D::Error> where @@ -107,12 +107,28 @@ pub struct Config { pub cursor_shape: CursorShapeConfig, } -#[derive(Debug, Clone, PartialEq, Deserialize)] -#[serde(transparent)] -pub struct CursorShapeConfig(HashMap<Mode, CursorKind>); +// Cursor shape is read and used on every rendered frame and so needs +// to be fast. Therefore we avoid a hashmap and use an enum indexed array. +#[derive(Debug, Clone, PartialEq)] +pub struct CursorShapeConfig([CursorKind; 3]); + +impl<'de> Deserialize<'de> for CursorShapeConfig { + fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> + where + D: Deserializer<'de>, + { + let m = HashMap::<Mode, CursorKind>::deserialize(deserializer)?; + let into_cursor = |mode: Mode| m.get(&mode).copied().unwrap_or_default(); + Ok(CursorShapeConfig([ + into_cursor(Mode::Normal), + into_cursor(Mode::Select), + into_cursor(Mode::Insert), + ])) + } +} impl std::ops::Deref for CursorShapeConfig { - type Target = HashMap<Mode, CursorKind>; + type Target = [CursorKind; 3]; fn deref(&self) -> &Self::Target { &self.0 @@ -121,11 +137,7 @@ impl std::ops::Deref for CursorShapeConfig { impl Default for CursorShapeConfig { fn default() -> Self { - Self(hashmap!( - Mode::Insert => CursorKind::Block, - Mode::Normal => CursorKind::Block, - Mode::Select => CursorKind::Block, - )) + Self([CursorKind::Block; 3]) } } @@ -621,7 +633,7 @@ impl Editor { let cursorkind = self .config .cursor_shape - .get(&doc.mode()) + .get(doc.mode() as usize) .copied() .unwrap_or_default(); (Some(pos), cursorkind) |