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import { getFilterForMode, persistenceSettings } from "./canvas.js";
import { AudioOutputs } from "../audio-output.js";
const round = (value) => Number(value.toFixed(2));
/** @returns {string} the speed a multiplier gives this machine's co-processor, e.g. "1.6x (4.8MHz)". */
export function tubeCpuSpeedLabel(multiplier, model) {
return `${round(multiplier)}x (${round(multiplier * tubeModelFor(model).clockMhz)}MHz)`;
}
/**
* The sideways ROMs the optional fittings need, in the order they claim banks.
*
* @param {{model: object, hasEconet: boolean, hasMusic5000: boolean, hasTeletextAdaptor: boolean}} settings
* @returns {string[]}
*/
export function fittedRoms({ model, hasEconet, hasMusic5000, hasTeletextAdaptor }) {
return [
...(hasEconet && model.isMaster ? ["master/anfs-4.25.rom"] : []),
...(hasMusic5000 ? ["ample.rom"] : []),
...(hasTeletextAdaptor ? ["ats-3.0.rom"] : []),
];
}
/** The settings the dialog presents as checkboxes. `enables` names a control only usable while ticked. */
const CheckboxSettings = [
{ id: "65c02", field: "coProcessor", restartRequired: true, enables: "tubeCpuMultiplier" },
{ id: "hasTeletextAdaptor", field: "hasTeletextAdaptor", restartRequired: true },
{ id: "hasEconet", field: "hasEconet", restartRequired: true },
{ id: "hasMusic5000", field: "hasMusic5000", restartRequired: true },
{ id: "mouseJoystickEnabled", field: "mouseJoystickEnabled" },
{ id: "speechOutput", field: "speechOutput" },
];
/** The model is not a checkbox, but changing it needs a restart just the same. */
const RestartRequiredFields = [
"model",
...CheckboxSettings.filter((setting) => setting.restartRequired).map((setting) => setting.field),
];
/** @returns {boolean} whether any of the changed settings only take effect on a freshly built machine. */
export function needsRestart(changed) {
return RestartRequiredFields.some((field) => field in changed);
}
/** @returns {boolean} whether the saved settings differ from those the running machine was built with. */
export function restartPending(settings, running) {
return RestartRequiredFields.some((field) => settings[field] !== running[field]);
}
/**
* The Settings dialog: shows the settings, applies the ones the machine can
* follow live as they are picked, and saves the rest when it closes. Dispatches
* "restart-required" after saving a change the running machine cannot follow.
*/
export class Config extends EventTarget {
constructor(settings) {
super();
this.settings = settings;
this.changed = {};
// The setting the display in use declares, which is the mode asked for
// unless that fell back; the page says which once the display exists.
this.persistenceSetting = undefined;
// Built before anything can change, so this is what the running machine was built with.
this.runningSettings = this.proposedSettings();
this.setModel(settings.model);
this.setKeyLayout(settings.keyLayout);
this.setMicrophoneChannel(settings.microphoneChannel);
this.setDisplayMode(settings.displayMode);
this.setAudioOutput(settings.audioOutput);
this.setSpeakerAmount(settings.speakerAmount);
settings.on("audioOutput", (audioOutput) => this.setAudioOutput(audioOutput));
settings.on("speakerAmount", (speakerAmount) => this.setSpeakerAmount(speakerAmount));
settings.on("displayMode", (displayMode) => this.setDisplayMode(displayMode));
const configuration = document.getElementById("configuration");
configuration.addEventListener("show.bs.modal", () => {
this.changed = {};
this.setDropdownText(settings.model.name);
this.setTubeCpuMultiplier(settings.tubeCpuMultiplier);
this.setCheckboxes(settings);
this.showRestartPending();
});
configuration.addEventListener("hide.bs.modal", () => {
const changed = this.changed;
this.changed = {};
if (Object.keys(changed).length === 0) return;
settings.set(changed);
// changed records which controls were touched, so a value in it can be what is already running.
if (needsRestart(changed) && restartPending(this.proposedSettings(), this.runningSettings))
this.dispatchEvent(new Event("restart-required"));
});
const modelMenu = document.querySelector(".model-menu");
for (const model of allModels) {
if (model.synonyms.length === 0) continue; // skip non-selectable models (e.g. Tube65C02)
const li = document.createElement("li");
const a = document.createElement("a");
a.href = "#";
a.className = "dropdown-item";
a.dataset.target = model.synonyms[0];
a.textContent = model.name;
li.appendChild(a);
modelMenu.appendChild(li);
}
modelMenu.addEventListener("click", (e) => {
const link = e.target.closest("a[data-target]");
Iif (!link) return;
this.changed.model = link.dataset.target;
this.setDropdownText(link.textContent);
this.showTubeCpuMultiplier(
this.changed.tubeCpuMultiplier ?? this.settings.tubeCpuMultiplier,
findModel(link.dataset.target),
);
this.showRestartPending();
});
for (const { id, field, enables } of CheckboxSettings) {
document.getElementById(id).addEventListener("click", () => {
const checked = document.getElementById(id).checked;
this.changed[field] = checked;
if (enables) document.getElementById(enables).disabled = !checked;
this.showRestartPending();
});
}
document.getElementById("tubeCpuMultiplier").addEventListener("input", () => {
const val = parseFloat(document.getElementById("tubeCpuMultiplier").value);
this.showTubeCpuMultiplier(val);
this.changed.tubeCpuMultiplier = val;
});
for (const link of document.querySelectorAll(".keyboard-menu a")) {
link.addEventListener("click", (e) => {
e.preventDefault();
const keyLayout = e.currentTarget.dataset.target;
this.changed.keyLayout = keyLayout;
this.setKeyLayout(keyLayout);
});
}
for (const option of document.querySelectorAll(".mic-channel-option")) {
option.addEventListener("click", (e) => {
e.preventDefault();
const channelString = e.currentTarget.dataset.channel;
const channel = channelString === "" ? undefined : parseInt(channelString, 10);
this.changed.microphoneChannel = channel;
this.setMicrophoneChannel(channel);
});
}
for (const option of document.querySelectorAll(".audio-output-option")) {
option.addEventListener("click", (e) => {
e.preventDefault();
settings.set({ audioOutput: e.currentTarget.dataset.output });
});
}
document.getElementById("speakerAmountSetting").addEventListener("input", (e) => {
settings.set({ speakerAmount: parseFloat(e.currentTarget.value) });
});
document.getElementById("persistenceSetting").addEventListener("input", (e) => {
if (this.persistenceSetting) settings.set({ [this.persistenceSetting]: parseFloat(e.currentTarget.value) });
});
for (const { setting } of persistenceSettings()) settings.on(setting, () => this.setPersistenceSlider());
for (const option of document.querySelectorAll(".display-mode-option")) {
option.addEventListener("click", (e) => {
e.preventDefault();
settings.set({ displayMode: e.currentTarget.dataset.mode });
});
}
}
/**
* The restart-required settings as they would be saved if the dialog were closed now, in the form the
* menu and the URL use: the model by synonym rather than resolved, the fittings as booleans.
*/
proposedSettings() {
const saved = (field) => (field === "model" ? this.settings.model.synonyms[0] : this.settings[field]);
return Object.fromEntries(RestartRequiredFields.map((field) => [field, this.changed[field] ?? saved(field)]));
}
showRestartPending() {
const pending = restartPending(this.proposedSettings(), this.runningSettings);
document.getElementById("restart-pending").classList.toggle("d-none", !pending);
}
/** Ticks the boxes named in `values`, leaving any the object does not mention alone. */
setCheckboxes(values) {
for (const { id, field, enables } of CheckboxSettings) {
Iif (values[field] === undefined) continue;
const checked = !!values[field];
document.getElementById(id).checked = checked;
if (enables) document.getElementById(enables).disabled = !checked;
}
}
setAudioOutput(audioOutput) {
const option = document.querySelector(`.audio-output-option[data-output="${audioOutput}"]`);
for (const el of document.querySelectorAll(".audio-output-text")) el.textContent = option.textContent;
document.getElementById("speakerAmountSetting").disabled = audioOutput !== AudioOutputs.speaker;
}
setSpeakerAmount(speakerAmount) {
document.getElementById("speakerAmountSetting").value = speakerAmount;
}
setMicrophoneChannel(channel) {
const text = channel !== undefined ? `Channel ${channel}` : "Disabled";
for (const el of document.querySelectorAll(".mic-channel-text")) el.textContent = text;
}
setDisplayMode(mode) {
const config = getFilterForMode(mode).getDisplayConfig();
for (const el of document.querySelectorAll(".display-mode-text")) el.textContent = config.name;
this.setPersistenceInUse(config.persistence?.setting);
}
/** The slider edits the persistence of the display in use, and is disabled for one without it. */
setPersistenceInUse(setting) {
this.persistenceSetting = setting;
this.setPersistenceSlider();
}
setPersistenceSlider() {
const slider = document.getElementById("persistenceSetting");
const afterglowMs = this.persistenceSetting ? this.settings[this.persistenceSetting] : 0;
slider.disabled = !this.persistenceSetting;
slider.value = afterglowMs;
document.getElementById("persistenceValue").textContent = !this.persistenceSetting
? "not available"
: afterglowMs > 0
? `${afterglowMs} ms`
: "none";
}
/** Names the running machine everywhere the page shows it. */
setModel(model) {
for (const el of document.querySelectorAll(".bbc-model")) el.textContent = model.name;
for (const el of document.querySelectorAll(".bbc-model-short")) el.textContent = model.shortName;
const settingsLink = document.getElementById("model-settings");
Iif (settingsLink) settingsLink.title = `${model.name}: emulation settings`;
}
setKeyLayout(keyLayout) {
const text = keyLayout[0].toUpperCase() + keyLayout.substring(1);
for (const el of document.querySelectorAll(".keyboard-layout")) el.textContent = text;
}
setTubeCpuMultiplier(value) {
document.getElementById("tubeCpuMultiplier").value = value;
this.showTubeCpuMultiplier(value);
}
showTubeCpuMultiplier(value, model = this.settings.model) {
document.getElementById("tubeCpuMultiplierValue").textContent = tubeCpuSpeedLabel(value, model);
}
setDropdownText(modelName) {
const el = document.querySelector("#bbc-model-dropdown .bbc-model");
Eif (el) el.textContent = modelName;
}
}
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