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

internal/app/braille_text_attributes.go

@@ -0,0 +1,64 @@
+// Copyright (c) 2026 Storm Dragon
+// Authors: Storm Dragon, Angus Kola
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package app
+
+import (
+	"strings"
+	"unicode/utf8"
+
+	"git.stormux.org/storm/cthulhu/internal/atspi"
+	"git.stormux.org/storm/cthulhu/internal/braille"
+	"git.stormux.org/storm/cthulhu/internal/config"
+)
+
+func markTextAttributeRun(frame *braille.Frame, run atspi.TextAttributeRun, sourceStart, frameStart, textLength int, settings config.TextAttributeSettings) {
+	if settings.Indicator == 0 || run.End <= run.Start || textLength <= 0 {
+		return
+	}
+	marked := false
+	for _, choice := range settings.Choices {
+		if !choice.Braille {
+			continue
+		}
+		if choice.Key == "text-spelling" {
+			if atspi.TextAttributesMisspelled(run.Values) {
+				marked = true
+				break
+			}
+			continue
+		}
+		value := strings.TrimSpace(run.Values[choice.Key])
+		if value == "" {
+			continue
+		}
+		for _, known := range characterAttributeOrder {
+			if known.key != choice.Key {
+				continue
+			}
+			if value != known.ignore {
+				marked = true
+			}
+			break
+		}
+		if marked {
+			break
+		}
+	}
+	if !marked {
+		return
+	}
+	begin := max(run.Start, sourceStart)
+	end := min(run.End, sourceStart+textLength)
+	if begin >= end {
+		return
+	}
+	count := utf8.RuneCountInString(frame.Text)
+	if len(frame.Dots) < count {
+		frame.Dots = append(frame.Dots, make([]byte, count-len(frame.Dots))...)
+	}
+	for offset := begin; offset < end; offset++ {
+		frame.Dots[frameStart+offset-sourceStart] |= byte(settings.Indicator)
+	}
+}