Talon
7249a8fd30
Lets a user transmit a second hardware input device (e.g. line-in / aux) alongside the mic, with its own device picker and volume, from Audio Settings. No core/ABI/proto changes: the aux is a VC_STREAM_AUX_DEVICE stream started with external_feed=1 and fed via vc_stream_feed_pcm (the same external-feed pipeline screen-audio uses). Per-kind local_streams_ already allows mic + screen + one aux to coexist; volume is a client-side gain multiply (the core's vc_set_input_gain is mic-only/global). Aux is always-on (core never gates AUX_DEVICE on VAD/PTT) and is tied to the voice session. Windows: new Audio/InputDeviceCapture.cs (WASAPI shared-mode capture from a real input endpoint + capture-endpoint enumeration); aux section in AudioSettingsForm.cs; lifecycle in MainForm.cs; persistence in VoiceSettings.cs. macOS: new Audio/InputDeviceCapture.swift (AVAudioEngine input-node tap pinned to the chosen Core Audio device + device enumeration by stable UID); aux section in SettingsWindowController.swift; lifecycle + UserDefaults persistence in MainWindowController.swift; file registered in project.pbxproj. Windows verified (C# solution builds clean; aux confirmed working). macOS build + E2E pending a Mac. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
527 lines
22 KiB
Swift
527 lines
22 KiB
Swift
import AppKit
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import VoiceCatCore
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// SettingsWindowController — a modeless window containing the audio input settings that used
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// to live in the main window's bottom voice panel: input mode (VAD/PTT/Always On), VAD
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// sensitivity, PTT key selection, input device picker, and the live microphone level meter.
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//
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// The main window is now just toolbar + channels + users + chat; audio settings live here
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// and are accessed via the app menu's "Settings…" item (⌘,). The window is modeless so the
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// user can keep it open while interacting with the main window — essential for watching the
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// level meter while adjusting VAD threshold or testing a device.
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//
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// Source-of-truth for the current settings lives in MainWindowController (so voice start can
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// apply them even before this window has been opened). This window reads from and writes back
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// to MainWindowController's stored properties, and applies changes to the client immediately
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// when voice is active.
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final class SettingsWindowController: NSWindowController, NSWindowDelegate {
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// MARK: - References
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private let client: VoiceCatClient
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weak var mainController: MainWindowController?
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// MARK: - UI
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private let inputModeControl = NSSegmentedControl(labels: ["VAD", "PTT", "Always On"],
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trackingMode: .selectOne,
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target: nil, action: nil)
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private let vadSlider: NSSlider = {
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let s = NSSlider(value: 50, minValue: 1, maxValue: 100, target: nil, action: nil)
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s.numberOfTickMarks = 0
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return s
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}()
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private let vadLabel = NSTextField(labelWithString: "Sensitivity:")
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private let pttKeyLabel = NSTextField(labelWithString: "(F8)")
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private let changePttButton = NSButton()
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private let devicePicker = NSPopUpButton()
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private let refreshDevicesButton = NSButton()
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private let levelMeter: NSProgressIndicator = {
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let p = NSProgressIndicator()
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p.style = .bar
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p.isIndeterminate = false
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p.minValue = 0
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p.maxValue = 100
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p.doubleValue = 0
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return p
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}()
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// Cached VAD slider position so we can restore it when the window reopens.
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private var vadSliderValue: Double = 50
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// Mic input gain: 0–300 % (100 = unity). Persisted via MainWindowController.inputGain.
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private let inputGainSlider: NSSlider = {
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let s = NSSlider(value: 100, minValue: 0, maxValue: 300, target: nil, action: nil)
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s.numberOfTickMarks = 0
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return s
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}()
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private let inputGainValueLabel = NSTextField(labelWithString: "100%")
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// Aux input stream: a second outgoing stream from another hardware input device (e.g. line-in
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// / aux), captured client-side. Device + volume only — aux is always-on. Persisted via
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// MainWindowController.auxEnabled / auxDeviceUID / auxGain.
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private let auxCheckbox = NSButton(checkboxWithTitle: "Aux input stream (second device)",
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target: nil, action: nil)
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private let auxDevicePicker = NSPopUpButton()
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private let auxRefreshButton = NSButton()
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private let auxGainSlider: NSSlider = {
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let s = NSSlider(value: 100, minValue: 0, maxValue: 300, target: nil, action: nil)
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s.numberOfTickMarks = 0
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return s
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}()
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private let auxGainValueLabel = NSTextField(labelWithString: "100%")
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private let auxDeviceLabel = NSTextField(labelWithString: "Aux device:")
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private let auxGainLabel = NSTextField(labelWithString: "Aux volume:")
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// Notification feedback controls. Read/write UserDefaults with the same keys VoiceCatCore's
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// FeedbackSettings reads, so EventFeedback honours these immediately.
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private let soundsCheckbox = NSButton(checkboxWithTitle: "Event sounds", target: nil, action: nil)
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private let soundsVolumeSlider: NSSlider = {
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let s = NSSlider(value: 1, minValue: 0, maxValue: 1, target: nil, action: nil)
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s.numberOfTickMarks = 0
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return s
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}()
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private let speechCheckbox = NSButton(checkboxWithTitle: "Speak events (text-to-speech)",
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target: nil, action: nil)
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private let selfTalkCheckbox = NSButton(checkboxWithTitle: "Your own voice-activity sounds",
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target: nil, action: nil)
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private let pttSoundCheckbox = NSButton(checkboxWithTitle: "Push-to-talk cue",
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target: nil, action: nil)
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// MARK: - Init
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init(client: VoiceCatClient, mainController: MainWindowController) {
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self.client = client
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self.mainController = mainController
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let window = NSWindow(
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contentRect: NSRect(x: 0, y: 0, width: 380, height: 420),
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styleMask: [.titled, .closable, .miniaturizable],
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backing: .buffered,
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defer: false
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)
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window.title = "Settings"
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window.minSize = NSSize(width: 340, height: 380)
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window.center()
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super.init(window: window)
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window.delegate = self
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buildUI()
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syncFromMainController()
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loadInputDevices()
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loadAuxDevices()
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}
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required init?(coder: NSCoder) { fatalError() }
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// MARK: - UI construction
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private func buildUI() {
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guard let contentView = window?.contentView else { return }
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let inputModeLabel = NSTextField(labelWithString: "Input mode:")
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inputModeLabel.setAccessibilityLabel("Input mode")
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inputModeControl.target = self
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inputModeControl.action = #selector(inputModeChanged)
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inputModeControl.selectedSegment = 0
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inputModeControl.setAccessibilityLabel("Input mode: VAD, PTT, or Always On")
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vadLabel.setAccessibilityLabel("VAD sensitivity")
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vadSlider.target = self
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vadSlider.action = #selector(vadSliderChanged)
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vadSlider.setAccessibilityLabel("Voice activation sensitivity")
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vadSlider.setAccessibilityHelp("Drag right for more sensitive, left for less")
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pttKeyLabel.setAccessibilityLabel("Current PTT key")
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changePttButton.title = "Change…"
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changePttButton.bezelStyle = .rounded
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changePttButton.target = self
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changePttButton.action = #selector(changePttClicked)
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changePttButton.setAccessibilityLabel("Change push-to-talk key")
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pttKeyLabel.isHidden = true
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changePttButton.isHidden = true
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let deviceLabel = NSTextField(labelWithString: "Input device:")
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deviceLabel.setAccessibilityLabel("Input device")
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devicePicker.setAccessibilityLabel("Input audio device")
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devicePicker.target = self
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devicePicker.action = #selector(deviceChanged)
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refreshDevicesButton.title = "↺"
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refreshDevicesButton.bezelStyle = .rounded
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refreshDevicesButton.target = self
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refreshDevicesButton.action = #selector(refreshDevicesClicked)
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refreshDevicesButton.setAccessibilityLabel("Refresh device list")
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refreshDevicesButton.toolTip = "Refresh"
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let levelLabel = NSTextField(labelWithString: "Level:")
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levelLabel.setAccessibilityLabel("Microphone input level")
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levelMeter.setAccessibilityLabel("Microphone input level")
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levelMeter.setAccessibilityHelp("Shows current microphone volume level")
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let inputGainLabel = NSTextField(labelWithString: "Mic volume:")
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inputGainLabel.setAccessibilityLabel("Microphone volume")
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inputGainSlider.target = self
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inputGainSlider.action = #selector(inputGainChanged)
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inputGainSlider.setAccessibilityLabel("Microphone volume")
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inputGainSlider.setAccessibilityHelp("Boost a quiet microphone. 100% is unity.")
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inputGainValueLabel.setAccessibilityLabel("Microphone volume value")
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let inputModeRow = NSStackView(views: [inputModeLabel, inputModeControl])
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inputModeRow.orientation = .horizontal
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inputModeRow.spacing = 8
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let vadRow = NSStackView(views: [vadLabel, vadSlider])
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vadRow.orientation = .horizontal
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vadRow.spacing = 8
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let pttRow = NSStackView(views: [pttKeyLabel, changePttButton])
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pttRow.orientation = .horizontal
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pttRow.spacing = 8
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let deviceRow = NSStackView(views: [deviceLabel, devicePicker, refreshDevicesButton])
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deviceRow.orientation = .horizontal
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deviceRow.spacing = 8
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let levelRow = NSStackView(views: [levelLabel, levelMeter])
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levelRow.orientation = .horizontal
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levelRow.spacing = 8
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let inputGainRow = NSStackView(views: [inputGainLabel, inputGainSlider, inputGainValueLabel])
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inputGainRow.orientation = .horizontal
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inputGainRow.spacing = 8
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// ── Aux input stream ──────────────────────────────────────────────────
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let auxHeader = NSTextField(labelWithString: "Aux input stream")
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auxHeader.font = .boldSystemFont(ofSize: NSFont.systemFontSize)
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auxCheckbox.target = self
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auxCheckbox.action = #selector(auxEnabledChanged)
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auxCheckbox.setAccessibilityLabel("Enable aux input stream")
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auxCheckbox.setAccessibilityHelp("Transmit a second hardware input device alongside your microphone.")
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auxDeviceLabel.setAccessibilityLabel("Aux input device")
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auxDevicePicker.setAccessibilityLabel("Aux input device")
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auxDevicePicker.target = self
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auxDevicePicker.action = #selector(auxDeviceChanged)
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auxRefreshButton.title = "↺"
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auxRefreshButton.bezelStyle = .rounded
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auxRefreshButton.target = self
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auxRefreshButton.action = #selector(refreshAuxDevicesClicked)
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auxRefreshButton.setAccessibilityLabel("Refresh aux device list")
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auxRefreshButton.toolTip = "Refresh"
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auxGainLabel.setAccessibilityLabel("Aux volume")
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auxGainSlider.target = self
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auxGainSlider.action = #selector(auxGainChanged)
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auxGainSlider.setAccessibilityLabel("Aux volume")
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auxGainSlider.setAccessibilityHelp("Volume of the aux input stream. 100% is unity.")
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auxGainValueLabel.setAccessibilityLabel("Aux volume value")
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let auxDeviceRow = NSStackView(views: [auxDeviceLabel, auxDevicePicker, auxRefreshButton])
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auxDeviceRow.orientation = .horizontal
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auxDeviceRow.spacing = 8
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let auxGainRow = NSStackView(views: [auxGainLabel, auxGainSlider, auxGainValueLabel])
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auxGainRow.orientation = .horizontal
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auxGainRow.spacing = 8
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// Notifications
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let notificationsHeader = NSTextField(labelWithString: "Notifications")
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notificationsHeader.font = .boldSystemFont(ofSize: NSFont.systemFontSize)
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for box in [soundsCheckbox, speechCheckbox, selfTalkCheckbox, pttSoundCheckbox] {
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box.target = self
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box.action = #selector(notificationSettingChanged)
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}
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soundsCheckbox.setAccessibilityLabel("Play event sounds")
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speechCheckbox.setAccessibilityLabel("Speak events")
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selfTalkCheckbox.setAccessibilityLabel("Your own voice-activity sounds")
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pttSoundCheckbox.setAccessibilityLabel("Push-to-talk cue")
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let volumeLabel = NSTextField(labelWithString: "Sound volume:")
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volumeLabel.setAccessibilityLabel("Sound volume")
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soundsVolumeSlider.target = self
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soundsVolumeSlider.action = #selector(notificationSettingChanged)
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soundsVolumeSlider.setAccessibilityLabel("Sound volume")
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let volumeRow = NSStackView(views: [volumeLabel, soundsVolumeSlider])
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volumeRow.orientation = .horizontal
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volumeRow.spacing = 8
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let stack = NSStackView(views: [inputModeRow, vadRow, inputGainRow, pttRow, deviceRow,
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levelRow, auxHeader, auxCheckbox, auxDeviceRow, auxGainRow,
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notificationsHeader, soundsCheckbox, volumeRow,
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speechCheckbox, selfTalkCheckbox, pttSoundCheckbox])
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stack.orientation = .vertical
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stack.spacing = 12
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stack.alignment = .leading
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stack.edgeInsets = NSEdgeInsets(top: 20, left: 20, bottom: 20, right: 20)
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stack.translatesAutoresizingMaskIntoConstraints = false
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contentView.addSubview(stack)
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NSLayoutConstraint.activate([
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stack.topAnchor.constraint(equalTo: contentView.topAnchor),
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stack.leadingAnchor.constraint(equalTo: contentView.leadingAnchor),
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stack.trailingAnchor.constraint(equalTo: contentView.trailingAnchor),
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stack.bottomAnchor.constraint(equalTo: contentView.bottomAnchor),
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vadSlider.widthAnchor.constraint(greaterThanOrEqualToConstant: 200),
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inputGainSlider.widthAnchor.constraint(greaterThanOrEqualToConstant: 180),
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levelMeter.widthAnchor.constraint(equalToConstant: 200),
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devicePicker.widthAnchor.constraint(greaterThanOrEqualToConstant: 180),
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soundsVolumeSlider.widthAnchor.constraint(greaterThanOrEqualToConstant: 200),
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auxDevicePicker.widthAnchor.constraint(greaterThanOrEqualToConstant: 180),
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auxGainSlider.widthAnchor.constraint(greaterThanOrEqualToConstant: 180),
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])
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syncNotificationControls()
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}
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/// Load the notification checkbox/slider states from UserDefaults. Touches EventFeedback.shared
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/// first so its default values are registered before we read them.
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private func syncNotificationControls() {
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let s = FeedbackSettings.current
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soundsCheckbox.state = s.sounds ? .on : .off
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speechCheckbox.state = s.speech ? .on : .off
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selfTalkCheckbox.state = s.selfTalkSounds ? .on : .off
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pttSoundCheckbox.state = s.pttSound ? .on : .off
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soundsVolumeSlider.doubleValue = Double(s.volume)
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}
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@objc private func notificationSettingChanged() {
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let d = UserDefaults.standard
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d.set(soundsCheckbox.state == .on, forKey: "feedback.sounds")
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d.set(speechCheckbox.state == .on, forKey: "feedback.speech")
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d.set(selfTalkCheckbox.state == .on, forKey: "feedback.selfTalk")
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d.set(pttSoundCheckbox.state == .on, forKey: "feedback.ptt")
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d.set(soundsVolumeSlider.doubleValue, forKey: "feedback.volume")
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}
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// MARK: - Sync from MainWindowController
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/// Read the current settings from MainWindowController and update our UI to match.
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/// Called on init and whenever the window is re-shown.
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private func syncFromMainController() {
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guard let mc = mainController else { return }
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switch mc.selectedInputMode {
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case .voiceActivation: inputModeControl.selectedSegment = 0
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case .pushToTalk: inputModeControl.selectedSegment = 1
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case .alwaysOn: inputModeControl.selectedSegment = 2
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}
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// Restore the slider from the persisted threshold (invert vadThresholdFromSlider) so a
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// relaunch shows the saved sensitivity, not the default mid-point.
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vadSliderValue = vadSliderFromThreshold(mc.vadThresholdValue)
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vadSlider.doubleValue = vadSliderValue
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pttKeyLabel.stringValue = "(\(keyCodeName(mc.pttKeyCode)))"
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inputGainSlider.doubleValue = Double(mc.inputGain * 100)
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updateInputGainLabel()
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auxCheckbox.state = mc.auxEnabled ? .on : .off
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auxGainSlider.doubleValue = Double(mc.auxGain * 100)
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updateAuxGainLabel()
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updateAuxControlsEnabled()
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updateConditionalControls()
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}
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/// Show/hide VAD and PTT controls based on the selected input mode.
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private func updateConditionalControls() {
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let seg = inputModeControl.selectedSegment
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vadLabel.isHidden = seg != 0
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vadSlider.isHidden = seg != 0
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pttKeyLabel.isHidden = seg != 1
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changePttButton.isHidden = seg != 1
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}
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// MARK: - Actions
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@objc private func inputModeChanged() {
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updateConditionalControls()
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let mode = currentInputMode()
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mainController?.selectedInputMode = mode
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if let mc = mainController, mc.micStreamId != 0 {
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client.setInputMode(mode)
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if mode == .voiceActivation {
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client.setVadThreshold(vadThresholdFromSlider())
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} else if mode == .pushToTalk {
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client.setPushToTalk(false)
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}
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}
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}
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@objc private func vadSliderChanged() {
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vadSliderValue = vadSlider.doubleValue
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let threshold = vadThresholdFromSlider()
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mainController?.vadThresholdValue = threshold
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if let mc = mainController, mc.micStreamId != 0, mc.selectedInputMode == .voiceActivation {
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client.setVadThreshold(threshold)
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}
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}
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@objc private func inputGainChanged() {
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let gain = Float(inputGainSlider.doubleValue) / 100.0
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mainController?.inputGain = gain
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updateInputGainLabel()
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if let mc = mainController, mc.micStreamId != 0 {
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client.setInputGain(gain)
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}
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}
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private func updateInputGainLabel() {
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let pct = Int(inputGainSlider.doubleValue.rounded())
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inputGainValueLabel.stringValue = "\(pct)%"
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inputGainSlider.setAccessibilityValue("\(pct) percent")
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}
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@objc private func changePttClicked() {
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guard let mc = mainController else { return }
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let sheet = PttKeyCaptureSheet(currentKeyCode: mc.pttKeyCode)
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sheet.onComplete = { [weak self] keyCode in
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guard let self, let keyCode else { return }
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self.mainController?.pttKeyCode = keyCode
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self.pttKeyLabel.stringValue = "(\(keyCodeName(keyCode)))"
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}
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presentSheet(sheet)
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}
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@objc private func refreshDevicesClicked() { loadInputDevices() }
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@objc private func deviceChanged() {
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let devId = devicePicker.selectedItem?.representedObject as? String
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mainController?.selectedInputDeviceId = devId
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if let mc = mainController, mc.micStreamId != 0, let devId {
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client.setInputDevice(streamId: mc.micStreamId, deviceId: devId)
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}
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}
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// MARK: - Aux input stream actions
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@objc private func auxEnabledChanged() {
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let on = auxCheckbox.state == .on
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updateAuxControlsEnabled()
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mainController?.applyAuxEnabled(on)
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}
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@objc private func refreshAuxDevicesClicked() { loadAuxDevices() }
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@objc private func auxDeviceChanged() {
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let uid = auxDevicePicker.selectedItem?.representedObject as? String
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mainController?.applyAuxDevice(uid)
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}
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@objc private func auxGainChanged() {
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mainController?.auxGain = Float(auxGainSlider.doubleValue) / 100.0
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updateAuxGainLabel()
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}
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private func updateAuxGainLabel() {
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let pct = Int(auxGainSlider.doubleValue.rounded())
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auxGainValueLabel.stringValue = "\(pct)%"
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auxGainSlider.setAccessibilityValue("\(pct) percent")
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}
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private func updateAuxControlsEnabled() {
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let on = auxCheckbox.state == .on
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auxDeviceLabel.isEnabled = on
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auxDevicePicker.isEnabled = on
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auxRefreshButton.isEnabled = on
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auxGainLabel.isEnabled = on
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auxGainSlider.isEnabled = on
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auxGainValueLabel.isEnabled = on
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}
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private func loadAuxDevices() {
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let devices = InputDeviceEnumerator.list()
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let prevSelected = (auxDevicePicker.selectedItem?.representedObject as? String)
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?? mainController?.auxDeviceUID
|
||
auxDevicePicker.removeAllItems()
|
||
for d in devices {
|
||
let item = NSMenuItem(title: d.name, action: nil, keyEquivalent: "")
|
||
item.representedObject = d.uid
|
||
auxDevicePicker.menu?.addItem(item)
|
||
}
|
||
if let prev = prevSelected,
|
||
let item = auxDevicePicker.itemArray.first(where: { ($0.representedObject as? String) == prev }) {
|
||
auxDevicePicker.select(item)
|
||
} else if let def = devices.first(where: { $0.isDefault }),
|
||
let item = auxDevicePicker.itemArray.first(where: { ($0.representedObject as? String) == def.uid }) {
|
||
auxDevicePicker.select(item)
|
||
} else if auxDevicePicker.numberOfItems > 0 {
|
||
auxDevicePicker.selectItem(at: 0)
|
||
}
|
||
// Persist the resolved selection so a relaunch (or Join Voice) opens the same device.
|
||
mainController?.auxDeviceUID = auxDevicePicker.selectedItem?.representedObject as? String
|
||
}
|
||
|
||
// MARK: - Level meter (called by MainWindowController)
|
||
|
||
func updateLevel(rms: Float) {
|
||
levelMeter.doubleValue = min(100, Double(rms * 400))
|
||
levelMeter.setAccessibilityValue("\(Int(levelMeter.doubleValue)) percent")
|
||
}
|
||
|
||
func resetLevel() {
|
||
levelMeter.doubleValue = 0
|
||
}
|
||
|
||
// MARK: - Device enumeration
|
||
|
||
private func loadInputDevices() {
|
||
let devices = client.listDevices(.input)
|
||
let prevSelected = devicePicker.selectedItem?.representedObject as? String
|
||
devicePicker.removeAllItems()
|
||
for d in devices {
|
||
let item = NSMenuItem(title: d.name, action: nil, keyEquivalent: "")
|
||
item.representedObject = d.id
|
||
devicePicker.menu?.addItem(item)
|
||
}
|
||
// Restore previous selection, or pick default, or first
|
||
if let prev = prevSelected,
|
||
let item = devicePicker.itemArray.first(where: { ($0.representedObject as? String) == prev }) {
|
||
devicePicker.select(item)
|
||
} else if let def = devices.first(where: { $0.isDefault }) {
|
||
devicePicker.select(devicePicker.item(withTitle: def.name))
|
||
} else if devicePicker.numberOfItems > 0 {
|
||
devicePicker.selectItem(at: 0)
|
||
}
|
||
// Sync the selected device back to main controller
|
||
let devId = devicePicker.selectedItem?.representedObject as? String
|
||
mainController?.selectedInputDeviceId = devId
|
||
}
|
||
|
||
// MARK: - Helpers
|
||
|
||
private func currentInputMode() -> VoiceCatInputMode {
|
||
switch inputModeControl.selectedSegment {
|
||
case 1: return .pushToTalk
|
||
case 2: return .alwaysOn
|
||
default: return .voiceActivation
|
||
}
|
||
}
|
||
|
||
private func vadThresholdFromSlider() -> Float {
|
||
0.1 * (1.0 - Float(vadSlider.doubleValue - 1.0) / 99.0)
|
||
}
|
||
|
||
/// Inverse of vadThresholdFromSlider: map a stored threshold back to a 1…100 slider position.
|
||
private func vadSliderFromThreshold(_ threshold: Float) -> Double {
|
||
let clamped = min(max(threshold, 0.0), 0.1)
|
||
return Double(1.0 + (1.0 - clamped / 0.1) * 99.0)
|
||
}
|
||
|
||
private func presentSheet(_ vc: NSViewController) {
|
||
if let cvc = window?.contentViewController {
|
||
cvc.presentAsSheet(vc)
|
||
} else {
|
||
let cvc = NSViewController()
|
||
cvc.view = window!.contentView!
|
||
window?.contentViewController = cvc
|
||
cvc.presentAsSheet(vc)
|
||
}
|
||
}
|
||
}
|