windows: Fix panic when deleting the last pre-edit char using Pinyin IME (#32442)

Release Notes: - N/A
2025-06-10 09:51:12 +00:00
parent 16853acbb1
commit 2dad48d8d9
1 changed files with 1 additions and 1 deletions
@@ -702,7 +702,7 @@ fn handle_ime_composition_inner(
    } else {
        if lparam & GCS_COMPSTR.0 > 0 {
            let comp_string = parse_ime_composition_string(ctx, GCS_COMPSTR)?;
-            let caret_pos = (lparam & GCS_CURSORPOS.0 > 0).then(|| {
+            let caret_pos = (!comp_string.is_empty() && lparam & GCS_CURSORPOS.0 > 0).then(|| {
                let pos = retrieve_composition_cursor_position(ctx);
                pos..pos
            });