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-rw-r--r--helix-view/src/document.rs16
-rw-r--r--helix-view/src/editor.rs69
-rw-r--r--helix-view/src/graphics.rs10
3 files changed, 85 insertions, 10 deletions
diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs
index 413da7b2..2c4fbbfb 100644
--- a/helix-view/src/document.rs
+++ b/helix-view/src/document.rs
@@ -1,5 +1,6 @@
use anyhow::{anyhow, Context, Error};
use serde::de::{self, Deserialize, Deserializer};
+use serde::Serialize;
use std::cell::Cell;
use std::collections::HashMap;
use std::fmt::Display;
@@ -30,9 +31,9 @@ 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 {
@@ -69,6 +70,15 @@ impl<'de> Deserialize<'de> for Mode {
}
}
+impl Serialize for Mode {
+ fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+ where
+ S: serde::Serializer,
+ {
+ serializer.collect_str(self)
+ }
+}
+
pub struct Document {
pub(crate) id: DocumentId,
text: Rope,
diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs
index 5f71fd46..82ef0cdc 100644
--- a/helix-view/src/editor.rs
+++ b/helix-view/src/editor.rs
@@ -1,6 +1,6 @@
use crate::{
clipboard::{get_clipboard_provider, ClipboardProvider},
- document::SCRATCH_BUFFER_NAME,
+ document::{Mode, SCRATCH_BUFFER_NAME},
graphics::{CursorKind, Rect},
input::KeyEvent,
theme::{self, Theme},
@@ -10,7 +10,7 @@ use crate::{
use futures_util::future;
use std::{
- collections::BTreeMap,
+ collections::{BTreeMap, HashMap},
io::stdin,
num::NonZeroUsize,
path::{Path, PathBuf},
@@ -27,7 +27,7 @@ pub use helix_core::register::Registers;
use helix_core::syntax;
use helix_core::{Position, Selection};
-use serde::{Deserialize, Serialize};
+use serde::{ser::SerializeMap, Deserialize, Deserializer, Serialize};
fn deserialize_duration_millis<'de, D>(deserializer: D) -> Result<Duration, D::Error>
where
@@ -105,16 +105,71 @@ pub struct Config {
/// Whether to display infoboxes. Defaults to true.
pub auto_info: bool,
pub file_picker: FilePickerConfig,
+ /// Shape for cursor in each mode
+ pub cursor_shape: CursorShapeConfig,
/// Set to `true` to override automatic detection of terminal truecolor support in the event of a false negative. Defaults to `false`.
pub true_color: bool,
}
+// 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 CursorShapeConfig {
+ pub fn from_mode(&self, mode: Mode) -> CursorKind {
+ self.get(mode as usize).copied().unwrap_or_default()
+ }
+}
+
+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 Serialize for CursorShapeConfig {
+ fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+ where
+ S: serde::Serializer,
+ {
+ let mut map = serializer.serialize_map(Some(self.len()))?;
+ let modes = [Mode::Normal, Mode::Select, Mode::Insert];
+ for mode in modes {
+ map.serialize_entry(&mode, &self.from_mode(mode))?;
+ }
+ map.end()
+ }
+}
+
+impl std::ops::Deref for CursorShapeConfig {
+ type Target = [CursorKind; 3];
+
+ fn deref(&self) -> &Self::Target {
+ &self.0
+ }
+}
+
+impl Default for CursorShapeConfig {
+ fn default() -> Self {
+ Self([CursorKind::Block; 3])
+ }
+}
+
#[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "kebab-case")]
pub enum LineNumber {
/// Show absolute line number
Absolute,
-
/// Show relative line number to the primary cursor
Relative,
}
@@ -151,6 +206,7 @@ impl Default for Config {
completion_trigger_len: 2,
auto_info: true,
file_picker: FilePickerConfig::default(),
+ cursor_shape: CursorShapeConfig::default(),
true_color: false,
}
}
@@ -614,9 +670,10 @@ impl Editor {
let inner = view.inner_area();
pos.col += inner.x as usize;
pos.row += inner.y as usize;
- (Some(pos), CursorKind::Hidden)
+ let cursorkind = self.config.cursor_shape.from_mode(doc.mode());
+ (Some(pos), cursorkind)
} else {
- (None, CursorKind::Hidden)
+ (None, CursorKind::default())
}
}
diff --git a/helix-view/src/graphics.rs b/helix-view/src/graphics.rs
index 5fd54c8c..6d0a9292 100644
--- a/helix-view/src/graphics.rs
+++ b/helix-view/src/graphics.rs
@@ -1,10 +1,12 @@
use bitflags::bitflags;
+use serde::{Deserialize, Serialize};
use std::{
cmp::{max, min},
str::FromStr,
};
-#[derive(Debug, Clone, Copy, PartialEq)]
+#[derive(Debug, Clone, Copy, PartialEq, Deserialize, Serialize)]
+#[serde(rename_all = "lowercase")]
/// UNSTABLE
pub enum CursorKind {
/// █
@@ -17,6 +19,12 @@ pub enum CursorKind {
Hidden,
}
+impl Default for CursorKind {
+ fn default() -> Self {
+ Self::Block
+ }
+}
+
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct Margin {
pub vertical: u16,