{
  "$schema": "https://ui.shadcn.com/schema/registry-item.json",
  "name": "mixer",
  "title": "Mixer",
  "description": "A horizontal or console-style mixer layout with shared audio configuration, empty state, master area, and keyboard focus navigation between channel controls.",
  "dependencies": [
    "solid-js@^1.9.15"
  ],
  "registryDependencies": [
    "@audiocn-solid/core",
    "@audiocn-solid/use-audio-config",
    "@audiocn-solid/channel-strip"
  ],
  "files": [
    {
      "path": "components/ui/mixer.tsx",
      "content": "import {\n  createContext,\n  createSignal,\n  createUniqueId,\n  useContext,\n} from \"solid-js\";\n\nimport { AudioConfigProvider } from \"@/hooks/use-audio-config\";\nimport type { AudioSize } from \"@/hooks/use-audio-config\";\nimport type { BallisticsInput } from \"@/lib/audio/ballistics\";\nimport type { MeterZone, Orientation } from \"@/lib/audio/types\";\nimport { provideContext } from \"@/lib/solid/context\";\nimport { createCompatEffect } from \"@/lib/solid/effect\";\nimport type { DivDOMProps, HeadingDOMProps } from \"@/lib/solid/jsx-types\";\nimport { omitProps } from \"@/lib/solid/props\";\nimport { cn } from \"@/lib/utils\";\n\nconst FOCUSABLE = \"input, button, [tabindex]:not([tabindex='-1'])\";\n\nconst STRIP_SELECTOR = \"[data-slot='channel-strip']\";\n\ninterface MixerContextValue {\n  readonly orientation: Orientation;\n  readonly titleId: string;\n}\n\nconst MixerContext = createContext<MixerContextValue | null>(null);\n\nconst useMixerPart = (part: string): MixerContextValue => {\n  const context = useContext(MixerContext);\n\n  if (!context) {\n    throw new Error(`${part} must be used inside Mixer.`);\n  }\n\n  return context;\n};\n\n/** The surrounding mixer's layout, for custom parts. */\nexport const useMixerContext = (): MixerContextValue =>\n  useMixerPart(\"useMixerContext\");\n\nexport interface MixerProps extends Omit<\n  DivDOMProps,\n  \"children\" | \"class\" | \"className\"\n> {\n  ballistics?: BallisticsInput;\n  children?: DivDOMProps[\"children\"];\n  class?: string;\n  className?: string;\n  disabled?: boolean;\n  maxDb?: number;\n  minDb?: number;\n  orientation?: Orientation;\n  size?: AudioSize;\n  zones?: MeterZone[];\n}\n\nconst MIXER_OWN = [\n  \"ballistics\",\n  \"children\",\n  \"class\",\n  \"className\",\n  \"disabled\",\n  \"maxDb\",\n  \"minDb\",\n  \"orientation\",\n  \"size\",\n  \"zones\",\n] as const;\n\nexport const Mixer = (props: MixerProps) => {\n  const rest = omitProps(props, MIXER_OWN);\n\n  const orientation = () => props.orientation ?? \"horizontal\";\n\n  const titleId = `mixer-${createUniqueId()}-title`;\n\n  const context: MixerContextValue = {\n    get orientation() {\n      return orientation();\n    },\n    titleId,\n  };\n\n  const config = {\n    get ballistics() {\n      return props.ballistics;\n    },\n    get disabled() {\n      return props.disabled;\n    },\n    get maxDb() {\n      return props.maxDb;\n    },\n    get minDb() {\n      return props.minDb;\n    },\n    get orientation() {\n      return orientation();\n    },\n    get size() {\n      return props.size;\n    },\n    get zones() {\n      return props.zones;\n    },\n  };\n\n  return provideContext(MixerContext, context, () => (\n    <AudioConfigProvider value={config}>\n      <div\n        aria-labelledby={titleId}\n        class={cn(\n          \"group/mixer grid min-w-0 gap-3 [--mixer-gap:0.5rem]\",\n          orientation() === \"horizontal\"\n            ? \"grid-cols-1 [grid-template-areas:'header'_'channels'_'separator'_'master']\"\n            : \"grid-cols-[minmax(0,1fr)_auto_auto] grid-rows-[auto_minmax(0,1fr)] [grid-template-areas:'header_header_header'_'channels_separator_master']\",\n          props.class,\n          props.className\n        )}\n        data-orientation={orientation()}\n        data-size={props.size}\n        data-slot=\"mixer\"\n        role=\"group\"\n        {...rest}\n      >\n        {props.children}\n      </div>\n    </AudioConfigProvider>\n  ));\n};\n\ntype DivPartProps = Omit<DivDOMProps, \"class\" | \"className\"> & {\n  class?: string;\n  className?: string;\n};\n\nconst CLASS_OWN = [\"class\", \"className\"] as const;\n\nexport const MixerHeader = (props: DivPartProps) => {\n  const rest = omitProps(props, CLASS_OWN);\n\n  return (\n    <div\n      class={cn(\n        \"flex min-w-0 items-center gap-2 [grid-area:header]\",\n        props.class,\n        props.className\n      )}\n      data-slot=\"mixer-header\"\n      {...rest}\n    />\n  );\n};\n\nexport interface MixerTitleProps extends Omit<\n  HeadingDOMProps,\n  \"class\" | \"className\"\n> {\n  class?: string;\n  className?: string;\n}\n\nexport const MixerTitle = (props: MixerTitleProps) => {\n  const context = useMixerPart(\"MixerTitle\");\n\n  const rest = omitProps(props, CLASS_OWN);\n\n  return (\n    <h2\n      class={cn(\n        \"font-heading mr-auto text-base font-medium\",\n        props.class,\n        props.className\n      )}\n      data-slot=\"mixer-title\"\n      id={context.titleId}\n      {...rest}\n    />\n  );\n};\n\nexport const MixerActions = (props: DivPartProps) => {\n  const rest = omitProps(props, CLASS_OWN);\n\n  return (\n    <div\n      class={cn(\"flex items-center gap-1\", props.class, props.className)}\n      data-slot=\"mixer-actions\"\n      {...rest}\n    />\n  );\n};\n\nconst focusNeighbour = (\n  event: KeyboardEvent,\n  container: HTMLDivElement,\n  direction: number\n): boolean => {\n  const target = event.target;\n\n  if (!(target instanceof HTMLElement)) {\n    return false;\n  }\n\n  const strip = target.closest<HTMLElement>(STRIP_SELECTOR);\n\n  if (!strip) {\n    return false;\n  }\n\n  const strips = [...container.querySelectorAll<HTMLElement>(STRIP_SELECTOR)];\n\n  const index = strips.indexOf(strip);\n\n  const neighbour = strips[index + direction];\n\n  if (!neighbour) {\n    return false;\n  }\n\n  const slot = target.closest<HTMLElement>(\"[data-slot]\")?.dataset.slot;\n\n  const match = slot\n    ? neighbour.querySelector<HTMLElement>(`[data-slot='${slot}']`)\n    : null;\n\n  const focusTarget = match?.matches(FOCUSABLE)\n    ? match\n    : (match?.querySelector<HTMLElement>(FOCUSABLE) ??\n      neighbour.querySelector<HTMLElement>(FOCUSABLE));\n\n  if (!focusTarget) {\n    return false;\n  }\n\n  focusTarget.focus();\n\n  return true;\n};\n\nexport interface MixerChannelsProps extends Omit<\n  DivDOMProps,\n  \"class\" | \"className\" | \"onKeyDown\"\n> {\n  class?: string;\n  className?: string;\n  onKeyDownCapture?: (event: KeyboardEvent) => void;\n  scrollable?: boolean;\n}\n\nconst CHANNELS_OWN = [\n  \"class\",\n  \"className\",\n  \"onKeyDownCapture\",\n  \"scrollable\",\n] as const;\n\nexport const MixerChannels = (props: MixerChannelsProps) => {\n  const context = useMixerPart(\"MixerChannels\");\n\n  const rest = omitProps(props, CHANNELS_OWN);\n\n  const [element, setElement] = createSignal<HTMLDivElement | null>(null);\n\n  createCompatEffect(\n    () => [element(), context.orientation, props.onKeyDownCapture] as const,\n    ([node, orientation, externalHandler]) => {\n      if (!node) {\n        return;\n      }\n\n      const handler = (event: KeyboardEvent) => {\n        externalHandler?.(event);\n\n        if (event.defaultPrevented || !(event.ctrlKey || event.metaKey)) {\n          return;\n        }\n\n        const previous = orientation === \"horizontal\" ? \"ArrowUp\" : \"ArrowLeft\";\n\n        const next = orientation === \"horizontal\" ? \"ArrowDown\" : \"ArrowRight\";\n\n        let direction = 0;\n\n        if (event.key === previous) {\n          direction = -1;\n        } else if (event.key === next) {\n          direction = 1;\n        }\n\n        if (direction !== 0 && focusNeighbour(event, node, direction)) {\n          event.preventDefault();\n          event.stopPropagation();\n        }\n      };\n\n      node.addEventListener(\"keydown\", handler, {\n        capture: true,\n      });\n\n      return () => {\n        node.removeEventListener(\"keydown\", handler, {\n          capture: true,\n        });\n      };\n    }\n  );\n\n  const scrollable = () => props.scrollable ?? true;\n\n  return (\n    <div\n      class={cn(\n        \"flex min-h-0 min-w-0 gap-(--mixer-gap) [grid-area:channels]\",\n        context.orientation === \"horizontal\" ? \"flex-col\" : \"flex-row\",\n        scrollable()\n          ? context.orientation === \"horizontal\"\n            ? \"overflow-y-auto\"\n            : \"overflow-x-auto\"\n          : undefined,\n        \"empty:hidden\",\n        props.class,\n        props.className\n      )}\n      data-slot=\"mixer-channels\"\n      ref={(node) => {\n        setElement(node);\n      }}\n      {...rest}\n    />\n  );\n};\n\nexport const MixerSeparator = (props: DivPartProps) => {\n  const context = useMixerPart(\"MixerSeparator\");\n\n  const rest = omitProps(props, CLASS_OWN);\n\n  return (\n    <div\n      aria-hidden=\"true\"\n      class={cn(\n        \"bg-border shrink-0 [grid-area:separator]\",\n        context.orientation === \"horizontal\" ? \"h-px w-full\" : \"h-full w-px\",\n        props.class,\n        props.className\n      )}\n      data-slot=\"mixer-separator\"\n      {...rest}\n    />\n  );\n};\n\nexport const MixerMaster = (props: DivPartProps) => {\n  const context = useMixerPart(\"MixerMaster\");\n\n  const rest = omitProps(props, CLASS_OWN);\n\n  return (\n    <div\n      class={cn(\n        \"flex min-h-0 min-w-0 [grid-area:master]\",\n        context.orientation === \"horizontal\" ? \"flex-col\" : \"flex-row\",\n        props.class,\n        props.className\n      )}\n      data-slot=\"mixer-master\"\n      {...rest}\n    />\n  );\n};\n\n/** Shown when MixerChannels renders nothing. */\nexport const MixerEmpty = (props: DivPartProps) => {\n  useMixerPart(\"MixerEmpty\");\n\n  const rest = omitProps(props, CLASS_OWN);\n\n  return (\n    <div\n      class={cn(\n        \"text-muted-foreground hidden min-h-24 items-center justify-center rounded-xl border border-dashed p-6 text-center text-sm [grid-area:channels] group-has-[[data-slot=mixer-channels]:empty]/mixer:flex\",\n        props.class,\n        props.className\n      )}\n      data-slot=\"mixer-empty\"\n      {...rest}\n    />\n  );\n};\n",
      "type": "registry:ui"
    },
    {
      "path": "lib/audiocn-license.txt",
      "content": "Audio component source adapted from https://github.com/audiocn/ui.\nMIT License — Copyright (c) 2026 OrcDev\n\nRegular SVG icon geometry adapted from @phosphor-icons/react 2.1.10.\nMIT License — Copyright (c) 2020 Phosphor Icons\n\nThe following permission and warranty terms apply to both notices.\nRetain this file with copies or substantial portions of the source.\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in all\ncopies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\nSOFTWARE.\n",
      "type": "registry:file",
      "target": "@lib/audiocn-license.txt"
    }
  ],
  "type": "registry:ui"
}