qbz/crates/qbz-slint/ui/settings/AudioSettings.slint

// Audio settings panel — output routing, bit-perfect options, and
// playback-quality preferences. All rows are backed by the SettingsState
// global and persisted through the Rust settings controller.

import { Theme } from "../foundation/semantic-colors.slint";
import { Typography } from "../foundation/typography.slint";
import { SettingsState } from "../state.slint";
import { QbzToggle } from "../primitives/QbzToggle.slint";
import { QbzSelect } from "../primitives/QbzSelect.slint";
import { SettingRow } from "SettingRow.slint";

component GroupHeader inherits Text {
    color: Theme.text-muted;
    font-size: 11px;
    letter-spacing: 1.5px;
    font-weight: Typography.semibold;
}

component Divider inherits Rectangle {
    height: 1px;
    background: Theme.border-subtle;
}

export component AudioSettings inherits VerticalLayout {
    callback settings-bool(string, bool);
    callback settings-select(string, int);

    spacing: 4px;

    GroupHeader { text: @tr("OUTPUT"); }

    SettingRow {
        label: @tr("Audio backend");
        description: @tr("The audio stack QBZ routes playback through.");
        QbzSelect {
            menu-width: 220px;
            options: SettingsState.backends;
            current-index: SettingsState.backend-index;
            selected(i) => {
                SettingsState.backend-index = i;
                root.settings-select("backend", i);
            }
        }
    }
    SettingRow {
        label: @tr("Output device");
        description: @tr("The DAC or sound device that receives audio.");
        QbzSelect {
            menu-width: 300px;
            options: SettingsState.devices;
            current-index: SettingsState.device-index;
            selected(i) => {
                SettingsState.device-index = i;
                root.settings-select("device", i);
            }
        }
    }
    SettingRow {
        label: @tr("Preferred sample rate");
        description: @tr("Force a sample rate, or let the track decide.");
        QbzSelect {
            menu-width: 170px;
            options: SettingsState.sample-rates;
            current-index: SettingsState.sample-rate-index;
            selected(i) => {
                SettingsState.sample-rate-index = i;
                root.settings-select("sample-rate", i);
            }
        }
    }

    Rectangle { height: 12px; }
    Divider { }
    Rectangle { height: 12px; }

    GroupHeader { text: @tr("BIT-PERFECT"); }

    SettingRow {
        label: @tr("Exclusive mode");
        description: @tr("Lock the device so no other app can resample it.");
        QbzToggle {
            checked: SettingsState.exclusive-mode;
            toggled(v) => {
                SettingsState.exclusive-mode = v;
                root.settings-bool("exclusive-mode", v);
            }
        }
    }
    SettingRow {
        label: @tr("DAC passthrough");
        description: @tr("Send the bitstream untouched to the DAC.");
        QbzToggle {
            checked: SettingsState.dac-passthrough;
            toggled(v) => {
                SettingsState.dac-passthrough = v;
                root.settings-bool("dac-passthrough", v);
            }
        }
    }
    SettingRow {
        label: @tr("PipeWire force bit-perfect");
        description: @tr("Pin the PipeWire quantum and rate for the active track.");
        QbzToggle {
            checked: SettingsState.pw-force-bitperfect;
            toggled(v) => {
                SettingsState.pw-force-bitperfect = v;
                root.settings-bool("pw-force-bitperfect", v);
            }
        }
    }

    Rectangle { height: 12px; }
    Divider { }
    Rectangle { height: 12px; }

    GroupHeader { text: @tr("PLAYBACK QUALITY"); }

    SettingRow {
        label: @tr("Gapless playback");
        description: @tr("Play consecutive same-format tracks without a gap.");
        QbzToggle {
            checked: SettingsState.gapless;
            toggled(v) => {
                SettingsState.gapless = v;
                root.settings-bool("gapless", v);
            }
        }
    }
    SettingRow {
        label: @tr("Volume normalization");
        description: @tr("Apply ReplayGain. Off keeps the pipeline bit-perfect.");
        QbzToggle {
            checked: SettingsState.normalization;
            toggled(v) => {
                SettingsState.normalization = v;
                root.settings-bool("normalization", v);
            }
        }
    }
    SettingRow {
        label: @tr("Allow quality fallback");
        description: @tr("Drop to a lower tier when the requested one is unavailable.");
        QbzToggle {
            checked: SettingsState.allow-quality-fallback;
            toggled(v) => {
                SettingsState.allow-quality-fallback = v;
                root.settings-bool("allow-quality-fallback", v);
            }
        }
    }
}