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Fix undo redo

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I missed the fast return.

Fix #89
This commit is contained in:
Ivan Tham 2021-06-03 23:10:31 +08:00 committed by Blaž Hrastnik
parent 3071339cbc
commit e6132f0acd
1 changed files with 17 additions and 11 deletions
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28
helix-view/src/document.rs
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@ -342,29 +342,35 @@ impl Document {
pub fn undo(&mut self, view_id: ViewId) -> bool {
let mut history = self.history.take();
if let Some(transaction) = history.undo() {
let success = self._apply(&transaction, view_id);
let success = if let Some(transaction) = history.undo() {
self._apply(&transaction, view_id)
} else {
false
};
self.history.set(history);
if success {
// reset changeset to fix len
self.changes = ChangeSet::new(self.text());
return success;
}
self.history.set(history);
false
success
}
pub fn redo(&mut self, view_id: ViewId) -> bool {
let mut history = self.history.take();
if let Some(transaction) = history.redo() {
let success = self._apply(&transaction, view_id);
let success = if let Some(transaction) = history.redo() {
self._apply(&transaction, view_id)
} else {
false
};
self.history.set(history);
if success {
// reset changeset to fix len
self.changes = ChangeSet::new(self.text());
return success;
}
self.history.set(history);
false
}