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

internal/app/combo_presentation.go

@@ -0,0 +1,39 @@
+// Copyright (c) 2026 Storm Dragon
+// Authors: Storm Dragon, Angus Kola
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package app
+
+import (
+	"git.stormux.org/storm/cthulhu/internal/atspi"
+	"git.stormux.org/storm/cthulhu/internal/presentation"
+)
+
+// The event loop owns this history. Some toolkits repeat focus on the semantic
+// combo when its internal selection changes; that is not entry into a control.
+type comboPresentation struct {
+	focus atspi.ObjectID
+	value string
+}
+
+func (history *comboPresentation) observe(event atspi.Event) (text string, update, duplicate bool) {
+	focusGain := isFocusGainEvent(event)
+	if event.Source.Role != "combo box" {
+		if focusGain {
+			history.focus, history.value = event.Source.ID(), ""
+		}
+		return "", false, false
+	}
+	if !focusGain && !isValueChangeEvent(event.Type) &&
+		event.Type != atspi.AccessibleNameEvent && !isManagedDescendantEvent(event.Type) {
+		return "", false, false
+	}
+	text = presentation.ComboBoxSelectionText(event.Source)
+	update = !focusGain || event.Source.ID() == history.focus
+	duplicate = update && event.Source.ID() == history.focus && text == history.value
+	history.value = text
+	if focusGain {
+		history.focus = event.Source.ID()
+	}
+	return text, update, duplicate
+}