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Implement P as paste_before.

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This commit is contained in:
Blaž Hrastnik 2021-04-07 17:03:29 +09:00
parent 31e6bcbeb4
commit 12961d657f
2 changed files with 53 additions and 29 deletions
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79
helix-term/src/commands.rs
View file

@ -1405,7 +1405,13 @@ pub fn yank(cx: &mut Context) {
cx.set_status(msg)
}
pub fn paste(cx: &mut Context) {
#[derive(Copy, Clone)]
enum Paste {
Before,
After,
}
fn _paste(doc: &mut Document, view: &View, action: Paste) -> Option<Transaction> {
// TODO: allow specifying reg
let reg = '"';
if let Some(values) = register::get(reg) {
@ -1416,40 +1422,57 @@ pub fn paste(cx: &mut Context) {
.unwrap(),
);
// TODO: if any of values ends \n it's linewise paste
//
// p => paste after
// P => paste before
// alt-p => paste every yanked selection after selected text
// alt-P => paste every yanked selection before selected text
// R => replace selected text with yanked text
// alt-R => replace selected text with every yanked text
//
// append => insert at next line
// insert => insert at start of line
// replace => replace
// default insert
// if any of values ends \n it's linewise paste
let linewise = values.iter().any(|value| value.ends_with('\n'));
let mut values = values.into_iter().map(Tendril::from).chain(repeat);
let (view, doc) = cx.current();
// paste on the next line
// TODO: can simply take a range + modifier and compute the right pos without ifs
let text = doc.text();
let transaction = if linewise {
// paste on the next line
// TODO: can simply take a range + modifier and compute the right pos without ifs
let text = doc.text();
let transaction =
Transaction::change_by_selection(doc.text(), doc.selection(view.id), |range| {
let line_end = text.line_to_char(text.char_to_line(range.head) + 1);
(line_end, line_end, Some(values.next().unwrap()))
})
} else {
Transaction::change_by_selection(doc.text(), doc.selection(view.id), |range| {
(range.head + 1, range.head + 1, Some(values.next().unwrap()))
})
};
let pos = match (action, linewise) {
// paste linewise before
(Paste::Before, true) => text.line_to_char(text.char_to_line(range.from())),
// paste linewise after
(Paste::After, true) => text.line_to_char(text.char_to_line(range.to()) + 1),
// paste insert
(Paste::Before, false) => range.from(),
// paste append
(Paste::After, false) => range.to() + 1,
};
(pos, pos, Some(values.next().unwrap()))
});
return Some(transaction);
}
None
}
// alt-p => paste every yanked selection after selected text
// alt-P => paste every yanked selection before selected text
// R => replace selected text with yanked text
// alt-R => replace selected text with every yanked text
//
// append => insert at next line
// insert => insert at start of line
// replace => replace
// default insert
pub fn paste_after(cx: &mut Context) {
let (view, doc) = cx.current();
if let Some(transaction) = _paste(doc, view, Paste::After) {
doc.apply(&transaction, view.id);
doc.append_changes_to_history(view.id);
}
}
pub fn paste_before(cx: &mut Context) {
let (view, doc) = cx.current();
if let Some(transaction) = _paste(doc, view, Paste::Before) {
doc.apply(&transaction, view.id);
doc.append_changes_to_history(view.id);
}

3
helix-term/src/keymap.rs
View file

@ -207,8 +207,9 @@ pub fn default() -> Keymaps {
key!('y') => commands::yank,
// yank_all
key!('p') => commands::paste,
key!('p') => commands::paste_after,
// paste_all
shift!('P') => commands::paste_before,
key!('>') => commands::indent,
key!('<') => commands::unindent,