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Clear completion when switching windows via click (#8118)

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The completion component assumes that it operates on the same View but
it's possible to break this assumption by switching windows through
left-clicking. I believe we should clear the completion menu when
switching windows to fix this.

This change fixes a panic for this scenario:

* Open a buffer with LSP completion available
* Split the window (for example '<C-w>v')
* Enter insert mode and trigger the completion menu
* Select a completion candidate (for example with '<C-n>')
* Switch to the original window by left-clicking in its area
* Enter insert mode and make edits (for example 'o<backspace>')

This will trip the 'assert_eq' in Document::restore.
This commit is contained in:
Michael Davis 2023-08-31 01:12:32 -05:00 • committed by GitHub
parent a2767269d0
commit 48373d4a2b
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1 changed files with 5 additions and 0 deletions
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5
helix-term/src/ui/editor.rs
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@ -1073,6 +1073,7 @@ impl EditorView {
let editor = &mut cxt.editor;
if let Some((pos, view_id)) = pos_and_view(editor, row, column, true) {
let prev_view_id = view!(editor).id;
let doc = doc_mut!(editor, &view!(editor, view_id).doc);
if modifiers == KeyModifiers::ALT {
@ -1082,6 +1083,10 @@ impl EditorView {
doc.set_selection(view_id, Selection::point(pos));
}
if view_id != prev_view_id {
self.clear_completion(editor);
}
editor.focus(view_id);
editor.ensure_cursor_in_view(view_id);