After commit c018f5fd29 Fenrir is being switched over to go. If you do not want to be part of the testing process, please switch to master.
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// Fenrir console screen reader.
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// Copyright (c) 2026 Storm Dragon
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// SPDX-License-Identifier: GPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by the Free
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// Software Foundation, either version 3 of the License, or (at your option)
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// any later version.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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// more details.
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//
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// You should have received a copy of the GNU General Public License along with
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// this program. If not, see <https://www.gnu.org/licenses/gpl-3.0.html>.
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package app
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import (
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"log/slog"
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"strings"
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"time"
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"git.stormux.org/storm/fenrir/internal/command"
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"git.stormux.org/storm/fenrir/internal/datetime"
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"git.stormux.org/storm/fenrir/internal/diagnostic"
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"git.stormux.org/storm/fenrir/internal/i18n"
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"git.stormux.org/storm/fenrir/internal/input"
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"git.stormux.org/storm/fenrir/internal/presentation"
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"git.stormux.org/storm/fenrir/internal/scripts"
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"git.stormux.org/storm/fenrir/internal/version"
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)
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func (a *application) handle_input(decision input.Decision) {
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started := time.Now()
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defer func() { diagnostic.Timing("input action", started, "command", decision.Command) }()
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if a.quitting {
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return
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}
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diagnostic.Record("input decision", "command", decision.Command, "forward", decision.Forward,
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"interrupt", decision.Interrupt, "keypress", decision.Keypress, "typing", decision.Typing, "deletion", decision.Deletion,
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"ui_active", a.ui.active)
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if decision.Interrupt {
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a.spellFeedback++
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a.engine.Reset_progress()
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if a.cues != nil {
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a.cues.Clear_progress()
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}
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a.clipboards.feedback++
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a.voice.Interrupt()
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a.engine.Note_input(decision.Forward && !a.ui.active, decision.Typing, decision.WordBoundary)
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if decision.Forward && decision.Deletion && !a.ui.active {
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a.engine.Note_deletion()
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}
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}
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if decision.Keypress && a.temporarySilence {
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a.temporarySilence = false
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a.present(i18n.T("speech enabled"), presentation.SpeechOn)
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}
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if a.ui.active {
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if a.ui.tutorial != nil {
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if decision.Learn != nil {
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if !decision.Interrupt {
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a.voice.Interrupt()
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}
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a.ui.handle_tutorial(*decision.Learn)
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}
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} else if decision.UI != nil {
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a.ui.handle(*decision.UI)
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}
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return
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}
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a.handle_command(decision.Command)
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}
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func (a *application) handle_command(id command.ID) {
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switch id {
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case "":
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case command.Help:
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a.ui.open_tutorial(a.options.Bindings, a.options.Scripts, a.settings.live.General.ScriptKeys)
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case command.Version:
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a.present(i18n.Format("Fenrir screen reader version {0}-{1}", version.Build, version.Channel), "")
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case command.Time:
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text, _ := datetime.Format_time(a.settings.live.Presentation.DateTime.TimeFormat, time.Now())
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a.present(text, "")
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case command.Date:
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text, _ := datetime.Format_date(a.settings.live.Presentation.DateTime.DateFormat, time.Now())
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a.present(text, "")
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case command.Quit:
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if a.saver.busy {
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a.quitAfterSave = true
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} else {
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a.quitting = true
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}
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case command.EmojiMenu:
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a.ui.open_emoji(a.clipboards)
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case command.SpellcheckMenu:
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a.spellMenu.open(a.engine.Spellcheck_word())
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case command.FenrirMenu:
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a.open_settings()
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case command.SaveSettings:
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a.save_settings()
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case command.ProgressMonitor:
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a.quick.mark_changed("presentation.progress.enabled")
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a.settings.live.Presentation.Progress.Enabled = !a.settings.live.Presentation.Progress.Enabled
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a.settings.saveDraft.Presentation.Progress = a.settings.live.Presentation.Progress
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a.engine.Configure_progress(a.settings.live.Presentation.Progress.Enabled)
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if a.settings.live.Presentation.Progress.Enabled {
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a.voice.Say(i18n.T("Progress monitoring enabled"))
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} else {
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a.voice.Say(i18n.T("Progress monitoring disabled"))
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}
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case command.Mute:
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// This toggle lasts only for this session, including when settings
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// are saved. Speech enablement belongs to the settings menu/file.
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a.muted = a.voice.Toggle_mute()
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a.present_speech_state()
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case command.TempDisableSpeech:
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if !a.muted && !a.temporarySilence {
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a.present(i18n.T("speech temporary disabled"), presentation.SpeechOff)
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a.temporarySilence = true
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}
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case command.PassNext:
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a.keyboards.Pass_next()
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a.voice.Say(i18n.T("Forward next keypress"))
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default:
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if a.quick.command(id, &a.settings.live, a.voice) {
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a.apply_quick_settings()
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return
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}
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if script, exists := a.options.Scripts[id]; exists {
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if a.options.ScriptRunner == nil || !a.options.ScriptRunner.Submit(scripts.Invocation{Script: script, Terminal: a.lastTerminal, Generation: a.scriptGeneration}) {
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slog.Warn("script invocation queue full", "at", time.Now())
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a.present(i18n.T("Script failed"), presentation.Error)
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}
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return
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}
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if a.clipboards.command(id) {
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return
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}
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a.review_command(id)
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}
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}
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func (a *application) review_command(id command.ID) {
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regionRevision := a.engine.Region_revision()
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result := a.engine.Command(id)
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if regionRevision != a.engine.Region_revision() {
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a.reading_regions_changed()
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}
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if message := result.Attributes; message != nil {
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a.present_attributes(*message)
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}
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if message := result.Indentation; message != nil {
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a.present_indentation(*message)
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}
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switch id {
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case command.ToggleTracking:
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a.settings.saveDraft.Reading.Mode = a.engine.Tracking_mode()
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}
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if spelling := result.Spelling; spelling != nil && !a.temporarySilence {
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a.voice.say_spelling(*spelling)
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} else if char := result.Character; char != nil && !a.temporarySilence {
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a.voice.say_character(*char, strings.TrimPrefix(result.Text, presentation.Character(*char)))
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} else {
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a.present(result.Text, result.Cue)
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}
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if after := result.After.Text; after != "" {
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a.present(after, result.After.Cue)
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}
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}
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