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

internal/app/output_queue.go

@@ -0,0 +1,71 @@
+// Cthulhu screen reader.
+// Copyright (c) 2026 Storm Dragon
+// Authors: Storm Dragon, Angus Kola
+//
+// This program is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+// more details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program. If not, see <https://www.gnu.org/licenses/gpl-3.0.html>.
+
+package app
+
+import (
+	"git.stormux.org/storm/cthulhu/internal/config"
+	"git.stormux.org/storm/cthulhu/internal/input"
+)
+
+type outputQueue struct {
+	speech  speechEnqueuer
+	sounds  soundService
+	braille brailleFrameEnqueuer
+	live    *liveSettings
+}
+
+func (queue outputQueue) Enqueue(request speechRequest) {
+	if len(request.Sound) != 0 && (queue.sounds == nil || !queue.sounds.EnqueueBatch(request.Sound)) && request.FallbackText != "" {
+		request.Text = request.FallbackText
+		request.Chunks = request.FallbackChunks
+	}
+	if request.Text != "" || len(request.ReadAll) != 0 {
+		queue.speech.Enqueue(request)
+	}
+	if queue.braille != nil && queue.live != nil && request.Text != "" && request.Role == "system" &&
+		request.Cause != "read-all" && request.Cause != "document-caret-line" {
+		if flasher, ok := queue.braille.(interface {
+			Flash(string, config.BrailleOptions) bool
+		}); ok {
+			flasher.Flash(request.Text, queue.live.Load().Braille)
+		}
+	}
+}
+func (queue outputQueue) Interrupt() { queue.speech.Interrupt() }
+
+func (queue outputQueue) InterruptForUser() {
+	if speech, ok := queue.speech.(interface{ InterruptForUser() }); ok {
+		speech.InterruptForUser()
+	} else {
+		queue.speech.Interrupt()
+	}
+}
+
+func (queue outputQueue) InterruptForInput(event input.Event) bool {
+	if speech, ok := queue.speech.(interface{ InterruptForInput(input.Event) bool }); ok {
+		return speech.InterruptForInput(event)
+	}
+	queue.InterruptForUser()
+	return true
+}
+
+type discardSpeech struct{}
+
+func (discardSpeech) Enqueue(speechRequest) {}
+
+func (discardSpeech) Interrupt() {}