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