Cthulhu is no longer a fork. Now it is a screen reader written in Golang.

internal/input/repeat.go

@@ -0,0 +1,31 @@
+// Copyright (c) 2026 Storm Dragon
+// Authors: Storm Dragon, Angus Kola
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package input
+
+// RepeatTracker is owned by the native input producer. Classic X11 repeats
+// release and press with the same timestamp; detectable autorepeat emits
+// another press while the key remains down. Neither is a fresh physical press.
+type RepeatTracker struct {
+	held              [256]bool
+	releasedTimestamp [256]uint32
+}
+
+func (tracker *RepeatTracker) Observe(event Event) bool {
+	code := event.Keycode
+	if !event.Pressed {
+		tracker.held[code] = false
+		tracker.releasedTimestamp[code] = event.Timestamp
+		return false
+	}
+	repeated := tracker.held[code] || event.Timestamp != 0 &&
+		tracker.releasedTimestamp[code] == event.Timestamp
+	tracker.held[code] = true
+	tracker.releasedTimestamp[code] = 0
+	return repeated
+}
+
+func (tracker *RepeatTracker) Reset() {
+	*tracker = RepeatTracker{}
+}