suimeng
/
helix
mirror of https://github.com/helix-editor/helix
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

feat: add API for selection and ranges (#33) 

* feat: add API for selection and ranges

* fix: use `no_context!` macro for declaring these functions

* chore: rename accessors to structs
pull/8675/head
Nik Revenco 2025-06-15 17:42:58 +01:00 committed by GitHub
parent d4fe0a0bb0
commit f582c8b7bd
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 51 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
helix-core/src/selection.rs
View File

@ -16,6 +16,7 @@ use helix_stdx::range::is_subset;
use helix_stdx::rope::{self, RopeSliceExt};
use smallvec::{smallvec, SmallVec};
use std::{borrow::Cow, iter, slice};
use steel::rvals::Custom;
/// A single selection range.
///
@ -62,6 +63,8 @@ pub struct Range {
pub old_visual_position: Option<(u32, u32)>,
}
impl Custom for Range {}
impl Range {
pub fn new(anchor: usize, head: usize) -> Self {
Self {

48
helix-term/src/commands/engine/steel.rs
View File

@ -487,6 +487,54 @@ fn load_static_commands(engine: &mut Engine, generate_sources: bool) {
}
};
macro_rules! no_context {
($name:expr, $function:expr, $doc:expr) => {{
module.register_fn($name, $function);
template_function_no_context($name, $doc);
}};
}
no_context!(
"selection->primary-index",
|sel: Selection| sel.primary_index(),
"Returns index of the primary selection"
);
no_context!(
"selection->primary-range",
|sel: Selection| sel.primary(),
"Returns the range for primary selection"
);
no_context!(
"selection->ranges",
|sel: Selection| sel.ranges().to_vec(),
"Returns all ranges of the selection"
);
no_context!(
"range-anchor",
|range: Range| range.anchor,
"Get the anchor of the range: the side that doesn't move when extending."
);
no_context!(
"range->from",
|range: Range| range.from(),
"Get the start of the range"
);
no_context!(
"range-head",
|range: Range| range.head,
"Get the head of the range, moved when extending."
);
no_context!(
"range->to",
|range: Range| range.to(),
"Get the end of the range"
);
no_context!(
"range->span",
|range: Range| (range.from(), range.to()),
"Get the span of the range (from, to)"
);
module.register_fn("get-helix-scm-path", get_helix_scm_path);
module.register_fn("get-init-scm-path", get_init_scm_path);