Fix append mode not editing correctly.

This is currently a bit of a hack, and still doesn't behave quite how we
probably want.  Left a TODO.
This commit is contained in:
Nathan Vegdahl 2021-07-21 09:56:21 -07:00
parent 063aa9452d
commit 7d07704e6f

View file

@ -1281,18 +1281,19 @@ fn append_mode(cx: &mut Context) {
let (view, doc) = current!(cx.editor);
enter_insert_mode(doc);
doc.restore_cursor = true;
let text = doc.text().slice(..);
let selection = doc.selection(view.id).clone().transform(|range| {
let to = if range.to() == range.from() {
// For 1-width cursor semantics.
graphemes::next_grapheme_boundary(doc.text().slice(..), range.to())
} else {
range.to()
};
Range::new(range.from(), to)
});
// TODO: preserve selections, like in `Insert` mode. Probably we'll want
// an explicit separate `Append` mode or something similar, so that we
// don't change the selection at all, and instead just display and edit
// things differently.
let selection = doc
.selection(view.id)
.clone()
.min_width_1(text)
.transform(|range| Range::new(range.to(), range.to()));
let end = doc.text().len_chars();
let end = text.len_chars();
if selection.iter().any(|range| range.head == end) {
let transaction = Transaction::change(