BufferCommand = enum
  bcCancel = "cancel", bcCheckRefresh = "checkRefresh", bcClick = "click",
  bcClone = "clone", bcContextMenu = "contextMenu",
  bcFindNextLink = "findNextLink", bcFindNextMatch = "findNextMatch",
  bcFindNextParagraph = "findNextParagraph", bcFindPrevLink = "findPrevLink",
  bcFindPrevMatch = "findPrevMatch", bcFindRevNthLink = "findRevNthLink",
  bcForceReshape = "forceReshape", bcGetLines = "getLines",
  bcGetLinks = "getLinks", bcGetSelectionText = "getSelectionText",
  bcGetTitle = "getTitle", bcGotoAnchor = "gotoAnchor",
  bcHideHints = "hideHints", bcLoad = "load", bcMarkURL = "markURL",
  bcOnReshape = "onReshape", bcReadCanceled = "readCanceled",
  bcReadSuccess = "readSuccess", bcSelect = "select", bcShowHints = "showHints",
  bcSubmitForm = "submitForm", bcToggleImages = "toggleImages",
  bcUpdateHover = "updateHover", bcWindowChange = "windowChange"

BufferConfig = object
  refererFrom*: bool
  styling*: bool
  scripting*: ScriptingMode
  images*: bool
  headless*: HeadlessMode
  autofocus*: bool
  history*: bool
  markLinks*: bool
  charsetOverride*: Charset
  metaRefresh*: MetaRefresh
  charsets*: seq[Charset]
  imageTypes*: Table[string, string]
  userAgent*: string
  referrer*: string
  userStyle*: string

BufferConnectionResult = enum
  bcrFail = "fail", bcrCancel = "cancel", bcrConnected = "connected",
  bcrSave = "save", bcrRedirect = "redirect", bcrUnauthorized = "unauthorized",
  bcrMailcap = "mailcap"

BufferIfaceItem = object
  id*: int

BufferInit = ref object of MapData
  config*: BufferConfig
  loaderConfig*: LoaderClientConfig
  filterCmd*: string
  contentType* {.jsget.}: string
  shortContentType* {.jsget.}: string
  loadInfo* {.jsgetset.}: string
  request*: Request
  url* {.jsget.}: URL
  cacheId* {.jsget.}: int
  width* {.jsgetset.}: int
  height* {.jsgetset.}: int
  connectionState*: ConnectDataState
  flags*: set[BufferInitFlag]
  charset*: Charset
  charsetStack*: seq[Charset]
  ostream*: PosixStream
  istreamOutputId*: int
  ostreamOutputId*: int

BufferInitFlag = enum
  bifSave, bifHTML, bifHistory, bifTailOnLoad, bifCrashed, bifHasStart,
  bifPendingStart, bifPartialStart, bifRedirected, bifMailcapCancel,
  bifForceType

BufferInterface = ref object of MapData
  numLines* {.jsget.}: int
  images*: seq[PosBitmap]
  hoverText*: array[HoverType, string]
  phandle*: ProcessHandle
  bgcolor*: CellColor
  redraw*: bool
  refreshStatus*: bool
  dead* {.jsget.}: bool
  loadState* {.jsgetset.}: LoadState
  init*: BufferInit

BufferMatch = object
  x*: int
  y*: int
  w*: int

BufferState = enum
  bsLoadingPage = "loadingPage", bsLoadingStyle = "loadingStyle",
  bsLoadingImages = "loadingImages", bsLoaded = "loaded"

CachedImage = ref object
  state*: CachedImageState
  width*: int
  height*: int
  data*: Blob
  cacheId*: int
  bmp*: NetworkBitmap
  offx*: int
  dispw*: int
  erry*: int
  transparent*: bool
  preludeLen*: int

CachedImageState = enum
  cisLoading, cisCanceled, cisLoaded

ClickResult = object
  case t*: ClickResultType
  of crtNone:
    nil
  of crtOpen:
    open*: Request
    contentType*: string
  of crtReadArea, crtReadText, crtReadPassword, crtReadFile:
    prompt*: string
    value*: string
  of crtSelect:
    options*: seq[SelectOption]
    selected*: int

ClickResultType = enum
  crtNone = "none", crtOpen = "open", crtReadText = "read-text",
  crtReadPassword = "read-password", crtReadArea = "read-area",
  crtReadFile = "read-file", crtSelect = "select"

CursorXY = object
  x*: int
  y*: int

GotoAnchorResult = object
  x*: int
  y*: int
  focus*: ClickResult

Highlight = ref object
  t* {.jsget.}: HighlightType
  selectionType* {.jsget.}: SelectionType
  mouse* {.jsget.}: bool
  x1*: int
  y1*: int
  x2* {.jsgetset.}: int
  y2* {.jsgetset.}: int

HighlightType = enum
  hltSearch, hltSelect

HintResult = seq[CursorXY]

HoverType = enum
  htTitle, htLink, htImage, htCachedImage

IfaceResult = enum
  irOk, irException, irEOF

LoadResult = tuple[n: uint64, len: uint64, bs: BufferState]

LoadState = enum
  lsLoading = "loading", lsCanceled = "canceled", lsLoaded = "loaded"

PagePos = tuple[x: int, y: int]

ProcessHandle = ref object
  process*: int
  refc*: int

SelectionType = enum
  stNormal = "normal", stBlock = "block", stLine = "line"

UpdateHoverResult = seq[tuple[t: HoverType, s: string]]

ClickResultReadLine = {crtReadText, crtReadPassword, crtReadFile}