Files
video-shader-toys/ui/src/components/ParameterField.jsx
2026-05-20 17:04:03 +10:00

391 lines
12 KiB
JavaScript

import Wheel from "@uiw/react-color-wheel";
import { hsvaToRgba, rgbaToHsva } from "@uiw/color-convert";
import { RotateCcw, Zap } from "lucide-react";
import { useEffect, useRef, useState } from "react";
import { useThrottledParameterValue } from "../hooks/useThrottledParameterValue";
function valuesMatch(left, right) {
return JSON.stringify(left) === JSON.stringify(right);
}
function ParameterHeader({ layer, parameter, onReset, resetDisabled }) {
const layerKey = layer.shaderId || layer.shaderName || layer.id;
const oscRoute = `/VideoShaderToys/${layerKey}/${parameter.id}`;
function copyRoute() {
if (navigator.clipboard) {
navigator.clipboard.writeText(oscRoute);
}
}
return (
<div className="parameter__header">
<div className="parameter__title">
<label>{parameter.label}</label>
{parameter.description ? <p title={parameter.description}>{parameter.description}</p> : null}
</div>
<button
type="button"
className="parameter__osc"
title="Copy OSC route"
aria-label={`Copy OSC route ${oscRoute}`}
onClick={copyRoute}
>
<span aria-hidden="true">OSC</span>
</button>
<button
type="button"
className="parameter__reset"
title={`Reset ${parameter.label}`}
aria-label={`Reset ${parameter.label}`}
disabled={resetDisabled}
onClick={onReset}
>
<RotateCcw size={13} strokeWidth={1.9} aria-hidden="true" />
</button>
</div>
);
}
function clamp01(value) {
return Math.max(0, Math.min(1, Number(value) || 0));
}
function colorComponentToHex(value) {
return Math.round(clamp01(value) * 255)
.toString(16)
.padStart(2, "0");
}
function colorValueToHex(value) {
const values = [...(value ?? [])];
while (values.length < 3) {
values.push(0);
}
return `#${colorComponentToHex(values[0])}${colorComponentToHex(values[1])}${colorComponentToHex(values[2])}`;
}
function colorValueToHsva(value) {
const values = [...(value ?? [])];
while (values.length < 4) {
values.push(values.length === 3 ? 1 : 0);
}
return rgbaToHsva({
r: Math.round(clamp01(values[0]) * 255),
g: Math.round(clamp01(values[1]) * 255),
b: Math.round(clamp01(values[2]) * 255),
a: clamp01(values[3]),
});
}
function hsvaToColorValue(hsva, alpha) {
const rgba = hsvaToRgba({ ...hsva, a: clamp01(alpha ?? hsva.a ?? 1) });
return [
clamp01(rgba.r / 255),
clamp01(rgba.g / 255),
clamp01(rgba.b / 255),
clamp01(alpha ?? rgba.a ?? 1),
];
}
export function ParameterField({ layer, parameter, onParameterChange }) {
const [colorPickerOpen, setColorPickerOpen] = useState(false);
const colorControlRef = useRef(null);
const {
beginInteraction,
draftValue,
endInteraction,
scheduleSendValue,
sendValue,
} = useThrottledParameterValue(parameter, onParameterChange);
const defaultValue = parameter.defaultValue;
const resetDisabled = parameter.type === "trigger" || defaultValue === undefined || valuesMatch(draftValue, defaultValue);
const resetParameter = () => {
if (parameter.type !== "trigger" && defaultValue !== undefined) {
sendValue(defaultValue);
}
};
useEffect(() => {
if (!colorPickerOpen) {
return undefined;
}
function handlePointerDown(event) {
if (!colorControlRef.current || !colorControlRef.current.contains(event.target)) {
setColorPickerOpen(false);
}
}
function handleKeyDown(event) {
if (event.key === "Escape") {
setColorPickerOpen(false);
}
}
document.addEventListener("pointerdown", handlePointerDown, true);
document.addEventListener("keydown", handleKeyDown);
return () => {
document.removeEventListener("pointerdown", handlePointerDown, true);
document.removeEventListener("keydown", handleKeyDown);
};
}, [colorPickerOpen]);
const header = (
<ParameterHeader
layer={layer}
parameter={parameter}
resetDisabled={resetDisabled}
onReset={resetParameter}
/>
);
if (parameter.type === "float") {
return (
<section className="parameter">
{header}
<div className="parameter__control">
<div className="parameter__pair">
<input
type="range"
min={parameter.min?.[0] ?? 0}
max={parameter.max?.[0] ?? 1}
step={parameter.step?.[0] ?? 0.01}
value={draftValue}
onMouseDown={beginInteraction}
onPointerDown={beginInteraction}
onTouchStart={beginInteraction}
onChange={(event) => scheduleSendValue(Number(event.target.value))}
onMouseUp={endInteraction}
onTouchEnd={endInteraction}
onPointerUp={endInteraction}
onKeyDown={beginInteraction}
onKeyUp={endInteraction}
onBlur={endInteraction}
/>
<input
type="number"
min={parameter.min?.[0] ?? ""}
max={parameter.max?.[0] ?? ""}
step={parameter.step?.[0] ?? 0.01}
value={draftValue}
onFocus={beginInteraction}
onChange={(event) => sendValue(Number(event.target.value))}
onBlur={endInteraction}
/>
</div>
</div>
</section>
);
}
if (parameter.type === "vec2") {
const values = [...(draftValue ?? [])];
while (values.length < 2) {
values.push(0);
}
return (
<section className="parameter">
{header}
<div className="parameter__control">
<div className="parameter__pair parameter__pair--vec2">
{Array.from({ length: 2 }, (_, index) => (
<input
key={index}
type="number"
aria-label={`${parameter.label} ${index === 0 ? "X" : "Y"}`}
min={parameter.min?.[index] ?? ""}
max={parameter.max?.[index] ?? ""}
step={parameter.step?.[index] ?? 0.01}
value={values[index]}
onFocus={beginInteraction}
onChange={(event) => {
const next = [...values];
next[index] = Number(event.target.value);
sendValue(next);
}}
onBlur={endInteraction}
/>
))}
</div>
</div>
</section>
);
}
if (parameter.type === "color") {
const values = [...(draftValue ?? [])];
while (values.length < 4) {
values.push(values.length === 3 ? 1 : 0);
}
const hsva = colorValueToHsva(values);
const wheelHsva = { ...hsva, v: 100 };
const sendHsva = (nextHsva) => scheduleSendValue(hsvaToColorValue(nextHsva, values[3]));
const updateColorComponent = (index, nextValue) => {
const next = [...values];
next[index] = Number(nextValue);
sendValue(next);
};
return (
<section className="parameter parameter--color">
{header}
<div className="parameter__control" ref={colorControlRef}>
<div className="parameter__color-compact">
<button
type="button"
className="parameter__swatch-button"
title={`Open ${parameter.label} color picker`}
aria-label={`Open ${parameter.label} color picker`}
onClick={() => setColorPickerOpen((open) => !open)}
>
<span className="parameter__swatch" style={{ background: colorValueToHex(values) }} aria-hidden="true" />
</button>
<div className="parameter__rgba-grid">
{["R", "G", "B", "A"].map((label, index) => (
<label key={label} className="parameter__rgba-field">
<span>{label}</span>
<input
type="number"
min={parameter.min?.[index] ?? 0}
max={parameter.max?.[index] ?? 1}
step={parameter.step?.[index] ?? 0.01}
value={values[index]}
onFocus={beginInteraction}
onChange={(event) => updateColorComponent(index, event.target.value)}
onBlur={endInteraction}
/>
</label>
))}
</div>
</div>
{colorPickerOpen ? (
<div className="parameter__color-popover">
<div
className="parameter__wheel"
onPointerDown={beginInteraction}
onPointerUp={endInteraction}
onPointerCancel={endInteraction}
onBlur={endInteraction}
>
<Wheel
color={wheelHsva}
width={196}
height={196}
onChange={(color) => sendHsva({ ...color.hsva, v: hsva.v })}
/>
</div>
<label className="parameter__value-slider">
<span>Value</span>
<input
type="range"
min={0}
max={100}
step={1}
value={Math.round(hsva.v)}
aria-label={`${parameter.label} value`}
onMouseDown={beginInteraction}
onPointerDown={beginInteraction}
onTouchStart={beginInteraction}
onChange={(event) => sendHsva({ ...hsva, v: Number(event.target.value) })}
onMouseUp={endInteraction}
onTouchEnd={endInteraction}
onPointerUp={endInteraction}
onKeyDown={beginInteraction}
onKeyUp={endInteraction}
onBlur={endInteraction}
/>
</label>
</div>
) : null}
</div>
</section>
);
}
if (parameter.type === "bool") {
return (
<section className="parameter">
{header}
<div className="parameter__control">
<label className="toggle toggle--field">
<input
type="checkbox"
checked={Boolean(draftValue)}
onFocus={beginInteraction}
onChange={(event) => sendValue(event.target.checked)}
onBlur={endInteraction}
/>
<span>{draftValue ? "Enabled" : "Disabled"}</span>
</label>
</div>
</section>
);
}
if (parameter.type === "enum") {
return (
<section className="parameter">
{header}
<div className="parameter__control">
<select
value={draftValue}
onFocus={beginInteraction}
onChange={(event) => sendValue(event.target.value)}
onBlur={endInteraction}
>
{parameter.options.map((option) => (
<option key={option.value} value={option.value}>
{option.label}
</option>
))}
</select>
</div>
</section>
);
}
if (parameter.type === "text") {
return (
<section className="parameter">
{header}
<div className="parameter__control">
<input
type="text"
maxLength={parameter.maxLength ?? 64}
placeholder={parameter.defaultValue ? `Default: ${parameter.defaultValue}` : ""}
value={draftValue ?? ""}
onFocus={beginInteraction}
onChange={(event) => scheduleSendValue(event.target.value, false, 350)}
onBlur={endInteraction}
/>
</div>
</section>
);
}
if (parameter.type === "trigger") {
const triggerCount = Number(draftValue ?? 0);
return (
<section className="parameter">
{header}
<div className="parameter__control">
<button
type="button"
className="button-with-icon parameter__trigger"
onClick={() => sendValue(triggerCount + 1)}
>
<Zap size={16} strokeWidth={1.9} aria-hidden="true" />
<span>Trigger</span>
</button>
</div>
</section>
);
}
return null;
}