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Revert "Improve dedent behavior, make kill_to_line_end behave like emacs (#1173)"

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1. pressing o on a line with no indentation will open a new line as
   expected, but esc will then delete the line altogether

2. the kill_line behavior happens after insert mode changes are already
   commited to history, and the change isn't commited. pressing u after
   this will break highlighting & undo history

This reverts commit c08d2fae58.
This commit is contained in:
Blaž Hrastnik 2021-12-01 13:40:54 +09:00
parent 662ecf0cd4
commit c955eaa6cd
2 changed files with 4 additions and 28 deletions
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19
helix-term/src/commands.rs
View file

@ -173,10 +173,6 @@ impl Command {
self.doc
}
pub fn fun(&self) -> fn(&mut Context) {
self.fun
}
#[rustfmt::skip]
commands!(
no_op, "Do nothing",
@ -607,15 +603,8 @@ fn kill_to_line_end(cx: &mut Context) {
let selection = doc.selection(view.id).clone().transform(|range| {
let line = range.cursor_line(text);
let line_end_pos = line_end_char_index(&text, line);
let pos = range.cursor(text);
let mut new_range = range.put_cursor(text, line_end_pos, true);
// don't want to remove the line separator itself if the cursor doesn't reach the end of line.
if pos != line_end_pos {
new_range.head = line_end_pos;
}
new_range
let pos = line_end_char_index(&text, line);
range.put_cursor(text, pos, true)
});
delete_selection_insert_mode(doc, view, &selection);
}
@ -3512,12 +3501,12 @@ fn open(cx: &mut Context, open: Open) {
}
// o inserts a new line after each line with a selection
pub(crate) fn open_below(cx: &mut Context) {
fn open_below(cx: &mut Context) {
open(cx, Open::Below)
}
// O inserts a new line before each line with a selection
pub(crate) fn open_above(cx: &mut Context) {
fn open_above(cx: &mut Context) {
open(cx, Open::Above)
}

13
helix-term/src/ui/editor.rs
View file

@ -1026,19 +1026,6 @@ impl Component for EditorView {
(Mode::Insert, Mode::Normal) => {
// if exiting insert mode, remove completion
self.completion = None;
let last_cmd = self.last_insert.0.fun();
const OPEN_BELOW_FUN: fn(&mut commands::Context) = commands::open_below;
const OPEN_ABOVE_FUN: fn(&mut commands::Context) = commands::open_above;
// For user friendly,
// Remove whitespaces if we go from insert mode(through open below/above) to normal mode without any keys in between.
// Example: `o<esc>`.
if matches!(last_cmd, OPEN_BELOW_FUN | OPEN_ABOVE_FUN)
&& self.last_insert.1.len() == 1
{
commands::Command::goto_line_start.execute(&mut cxt);
commands::Command::kill_to_line_end.execute(&mut cxt);
}
}
_ => (),
}