app: [macOS] fix caret position calculation after IME text insert

Fixes: https://todo.sr.ht/~eliasnaur/gio/385 Signed-off-by: Elias Naur <mail@eliasnaur.com>
2022-04-08 13:05:27 +02:00
parent 4e488f4c70
commit 49bd5787e4
1 changed files with 5 additions and 1 deletions
@@ -636,7 +636,11 @@ func gio_insertText(view, cstr C.CFTypeRef, crng C.NSRange) {
 	str := nsstringToString(cstr)
 	w.w.EditorReplace(rng, str)
 	w.w.SetComposingRegion(key.Range{Start: -1, End: -1})
-	pos := rng.Start + utf8.RuneCountInString(str)
+	start := rng.Start
+	if rng.End < start {
+		start = rng.End
+	}
+	pos := start + utf8.RuneCountInString(str)
 	w.w.SetEditorSelection(key.Range{Start: pos, End: pos})
 }