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Refactor {move,extend}_char_* commands

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This commit is contained in:
Gokul Soumya 2021-09-04 20:16:43 +05:30 committed by Blaž Hrastnik
parent 07fe4a6a40
commit ea2b4c687d
1 changed files with 32 additions and 71 deletions
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103
helix-term/src/commands.rs
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@ -358,48 +358,53 @@ impl PartialEq for Command {
}
}
fn move_char_left(cx: &mut Context) {
fn move_impl<F>(cx: &mut Context, move_fn: F, dir: Direction, behaviour: Movement)
where
F: Fn(RopeSlice, Range, Direction, usize, Movement) -> Range,
{
let count = cx.count();
let (view, doc) = current!(cx.editor);
let text = doc.text().slice(..);
let selection = doc.selection(view.id).clone().transform(|range| {
movement::move_horizontally(text, range, Direction::Backward, count, Movement::Move)
});
let selection = doc
.selection(view.id)
.clone()
.transform(|range| move_fn(text, range, dir, count, behaviour));
doc.set_selection(view.id, selection);
}
use helix_core::movement::{move_horizontally, move_vertically};
fn move_char_left(cx: &mut Context) {
move_impl(cx, move_horizontally, Direction::Backward, Movement::Move)
}
fn move_char_right(cx: &mut Context) {
let count = cx.count();
let (view, doc) = current!(cx.editor);
let text = doc.text().slice(..);
let selection = doc.selection(view.id).clone().transform(|range| {
movement::move_horizontally(text, range, Direction::Forward, count, Movement::Move)
});
doc.set_selection(view.id, selection);
move_impl(cx, move_horizontally, Direction::Forward, Movement::Move)
}
fn move_line_up(cx: &mut Context) {
let count = cx.count();
let (view, doc) = current!(cx.editor);
let text = doc.text().slice(..);
let selection = doc.selection(view.id).clone().transform(|range| {
movement::move_vertically(text, range, Direction::Backward, count, Movement::Move)
});
doc.set_selection(view.id, selection);
move_impl(cx, move_vertically, Direction::Backward, Movement::Move)
}
fn move_line_down(cx: &mut Context) {
let count = cx.count();
let (view, doc) = current!(cx.editor);
let text = doc.text().slice(..);
move_impl(cx, move_vertically, Direction::Forward, Movement::Move)
}
let selection = doc.selection(view.id).clone().transform(|range| {
movement::move_vertically(text, range, Direction::Forward, count, Movement::Move)
});
doc.set_selection(view.id, selection);
fn extend_char_left(cx: &mut Context) {
move_impl(cx, move_horizontally, Direction::Backward, Movement::Extend)
}
fn extend_char_right(cx: &mut Context) {
move_impl(cx, move_horizontally, Direction::Forward, Movement::Extend)
}
fn extend_line_up(cx: &mut Context) {
move_impl(cx, move_vertically, Direction::Backward, Movement::Extend)
}
fn extend_line_down(cx: &mut Context) {
move_impl(cx, move_vertically, Direction::Forward, Movement::Extend)
}
fn goto_line_end(cx: &mut Context) {
@ -1001,28 +1006,6 @@ fn half_page_down(cx: &mut Context) {
scroll(cx, offset, Direction::Forward);
}
fn extend_char_left(cx: &mut Context) {
let count = cx.count();
let (view, doc) = current!(cx.editor);
let text = doc.text().slice(..);
let selection = doc.selection(view.id).clone().transform(|range| {
movement::move_horizontally(text, range, Direction::Backward, count, Movement::Extend)
});
doc.set_selection(view.id, selection);
}
fn extend_char_right(cx: &mut Context) {
let count = cx.count();
let (view, doc) = current!(cx.editor);
let text = doc.text().slice(..);
let selection = doc.selection(view.id).clone().transform(|range| {
movement::move_horizontally(text, range, Direction::Forward, count, Movement::Extend)
});
doc.set_selection(view.id, selection);
}
fn copy_selection_on_line(cx: &mut Context, direction: Direction) {
let count = cx.count();
let (view, doc) = current!(cx.editor);
@ -1093,28 +1076,6 @@ fn copy_selection_on_next_line(cx: &mut Context) {
copy_selection_on_line(cx, Direction::Forward)
}
fn extend_line_up(cx: &mut Context) {
let count = cx.count();
let (view, doc) = current!(cx.editor);
let text = doc.text().slice(..);
let selection = doc.selection(view.id).clone().transform(|range| {
movement::move_vertically(text, range, Direction::Backward, count, Movement::Extend)
});
doc.set_selection(view.id, selection);
}
fn extend_line_down(cx: &mut Context) {
let count = cx.count();
let (view, doc) = current!(cx.editor);
let text = doc.text().slice(..);
let selection = doc.selection(view.id).clone().transform(|range| {
movement::move_vertically(text, range, Direction::Forward, count, Movement::Extend)
});
doc.set_selection(view.id, selection);
}
fn select_all(cx: &mut Context) {
let (view, doc) = current!(cx.editor);