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

internal/app/event_text_selection.go

@@ -0,0 +1,74 @@
+// Cthulhu screen reader.
+// Copyright (c) 2026 Storm Dragon
+// Authors: Storm Dragon, Angus Kola
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package app
+
+import (
+	"time"
+
+	"git.stormux.org/storm/cthulhu/internal/atspi"
+	"git.stormux.org/storm/cthulhu/internal/input"
+)
+
+func (handler *accessibilityEventHandler) handleSelectionAndClipboard(event atspi.Event, activity input.Activity, intent input.Intent) bool {
+	state := handler.state
+	logger := handler.logger
+	speech := handler.speech
+	if activity.Clipboard == input.PasteAction && activity.Sequence == state.lastPasteSequence &&
+		event.Source.ID() == state.lastPasteID && time.Since(state.lastPasteAt) < time.Second &&
+		(event.Type == atspi.TextInsertedEvent || event.Type == atspi.TextDeletedEvent ||
+			event.Type == atspi.TextSelectionChangedEvent || event.Type == atspi.CaretEvent) {
+		if event.Type == atspi.CaretEvent {
+			state.suppressNextCaretPath = ""
+		} else if event.Type == atspi.TextSelectionChangedEvent {
+			state.selection.changed(event.Source)
+		}
+		logger.Debug("skipped text event following paste confirmation", "type", event.Type)
+		return true
+	}
+	if event.Type == atspi.TextSelectionChangedEvent {
+		if event.Source.ID() != state.focusedID || !event.Source.Editable || event.Source.ReadOnly ||
+			event.Source.Role == "password text" || event.Source.Autocomplete {
+			return true
+		}
+		fragmentLimit := selectionFragmentLimit
+		if activity.Selecting && intent == input.LineIntent {
+			fragmentLimit = lineSelectionFragmentLimit
+		}
+		message := state.selection.changedWithLimit(event.Source, fragmentLimit)
+		if message != "" {
+			state.pending.caret.clear()
+			state.selectionCaretID = event.Source.ID()
+			state.selectionCaretSequence = activity.Sequence
+			state.selectionCaretAt = time.Now()
+			if activity.Clipboard != input.CutAction && activity.Clipboard != input.PasteAction {
+				speech.Enqueue(speechRequest{Text: message, Role: "system", Cause: event.Type})
+			}
+		}
+		return true
+	}
+	if activity.Sequence != 0 && activity.Sequence != state.lastClipboardSequence &&
+		event.Source.ID() == state.focusedID && event.Source.Editable && !event.Source.ReadOnly &&
+		!event.Source.Autocomplete && event.Source.Role != "password text" {
+		message := ""
+		if event.Type == atspi.TextDeletedEvent && activity.Clipboard == input.CutAction {
+			message = "cut"
+		} else if event.Type == atspi.TextInsertedEvent && activity.Clipboard == input.PasteAction {
+			message = "pasted from clipboard"
+		}
+		if message != "" {
+			state.lastClipboardSequence = activity.Sequence
+			if activity.Clipboard == input.PasteAction {
+				state.lastPasteSequence = activity.Sequence
+				state.lastPasteID = event.Source.ID()
+				state.lastPasteAt = time.Now()
+				state.pending.caret.clear()
+			}
+			speech.Enqueue(speechRequest{Text: message, Role: "system", Cause: "clipboard"})
+			return true
+		}
+	}
+	return false
+}