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Fix closing buffer with custom keymap (#3633)

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* Fix closing buffer with custom keymap

* Add comment explaining if
This commit is contained in:
A-Walrus 2022-09-01 19:59:39 +03:00 committed by GitHub
parent ec28b2b5cc
commit 45dbcb6783
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2 changed files with 29 additions and 9 deletions
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3
helix-term/src/ui/editor.rs
View File

@ -1263,6 +1263,8 @@ fn handle_event(
if cx.editor.should_close() {
return EventResult::Ignored(None);
}
// if the focused view still exists and wasn't closed
if cx.editor.tree.contains(focus) {
let config = cx.editor.config();
let mode = cx.editor.mode();
let view = cx.editor.tree.get_mut(focus);
@ -1275,6 +1277,7 @@ fn handle_event(
if mode != Mode::Insert {
doc.append_changes_to_history(view.id);
}
}
EventResult::Consumed(callback)
}

17
helix-view/src/tree.rs
View File

@ -270,10 +270,18 @@ pub fn views_mut(&mut self) -> impl Iterator<Item = (&mut View, bool)> {
})
}
/// Get reference to a [`view`] by index.
/// # Panics
///
/// Panics if `index` is not in self.nodes, or if the node's content is not [`Content::View`] . This can be checked with [`contains`]
pub fn get(&self, index: ViewId) -> &View {
self.try_get(index).unwrap()
}
/// Try to get reference to a [`view`] by index. Returns `None` if node content is not a [`Content::View`]
/// # Panics
///
/// Panics if `index` is not in self.nodes. This can be checked with [`Self::contains`]
pub fn try_get(&self, index: ViewId) -> Option<&View> {
match &self.nodes[index] {
Node {
@ -284,6 +292,10 @@ pub fn try_get(&self, index: ViewId) -> Option<&View> {
}
}
/// Get a mutable reference to a [`view`] by index.
/// # Panics
///
/// Panics if `index` is not in self.nodes, or if the node's content is not [`Content::View`] . This can be checked with [`Self::contains`]
pub fn get_mut(&mut self, index: ViewId) -> &mut View {
match &mut self.nodes[index] {
Node {
@ -294,6 +306,11 @@ pub fn get_mut(&mut self, index: ViewId) -> &mut View {
}
}
/// Check if tree contains a [`Node`] with a given index.
pub fn contains(&self, index: ViewId) -> bool {
self.nodes.contains_key(index)
}
pub fn is_empty(&self) -> bool {
match &self.nodes[self.root] {
Node {