view:
  single:
    ExpandLeft(chars)
    ExpandRight(chars)
    ExpandTop(chars)
    ExpandBottom(chars)
    ShrinkLeft(chars)
    ShrinkRight(chars)
    ShrinkTop(chars)
    ShrinkBottom(chars)
    QueryWidth -> chars
    QueryHeight -> chars
  multi:
    SplitVertically(chars)
    SplitHorizontally(chars)
    JoinWithLeft
    JoinWithRight
    JoinWithTop
    JoinWithBottom
    QueryLeftView -> view
    QueryRightView -> view
    QueryTopView -> view
    QueryBottomView -> view
    IsOnlyViewInGroup -> bool
    MakeOnlyViewInGroup
    FocusToView
  link:
    QueryViewGroup -> viewgroup
viewgroup:
  single:
    Close
    Create(frame,buffer) -> viewgroup
  multi:
    QueryNextViewGroup -> viewgroup
    QueryPreviousViewGroup -> viewgroup
  link:
    QueryFrame -> frame
    QueryActiveView -> view
    QueryBuffer -> buffer
frame:
  single:
    QueryState -> minimized/normal/maximized
    SetState(minimized/normal/maximized)
    Create -> frame
    Close
    MoveToFront
    MoveToBack
  multi:

    QueryNextFrame -> frame
    QueryPreviousFrame -> frame
  link:
    QueryActiveViewGroup -> viewgroup
    SetActiveViewGroup(viewgroup)
buffer:
  single:
    Create -> buffer
    Delete
    SplitLine(line,col)
    JoinLine(line)
    RemoveLine(line)
    AppendLine
    InsertChar(line,col,char)
    InsertString(line,col,string,chars)
    QueryLineCount -> lines
    QueryString(line,col,chars) -> string
    QueryLineLength(line) -> chars

    QueryFilename -> filename
    SetFilename(filename)
    Invalidate(xstart,ystart,xend,yend)

    Lock
    Unlock
  multi:
    QueryFirstBuffer -> buffer
    QueryNextBuffer(buffer) -> buffer
    QueryPreviousBuffer(buffer) -> buffer
marks:
  Create(view,where,markname,line,column) -> mark
  Find(view,markname) -> mark
  Delete
  QueryLine
  QueryColumn
  QueryPosition
  SetLine(line)
  SetColumn(line)
  SetPosition(line,column)
  Copy(mark,mark)
misc:
  StartLengthyTask(buffer,callback,extraparm)
  ReadFile(buffer,filename);
  SaveFile(buffer,filename);
  ShowOpenDialog(frame)
  ShowSaveAsDialog(buffer)
  ShowSearchDialog(view)
  StartExit
config/state/mode:
  Create(context,propname,where,type,value)
  Delete(context,propname)
  Query(context,propname) -> value
  Set(context,propname,value)

context::=
  view
  viewgroup
  buffer
  frame
  callbacks


---Syntax highlighting---------------------------------------------------------
QuerySyntaxClasses -> classlist
  classlist::= {classinfo}
  classinfo::= classname+deffgcolor+defbgcolor+deffontattr

ClassifySyntax -> continuescan/stopscan
  scandirection
  fullfilename
  fileextension
  context
  classbuffer
  classbufferyorigin
  classbufferxorigin
  classbufferheight
  classbufferwidth
  areayorigin
  areaxorigin
  areaheight
  areawidth
  extra


---Command---------------------------------------------------------------------
QueryCommands -> commandlist
  commandlist::= {commandinfo}
  commandinfo::= name + putwhere + callback (+bitmapid)
  putwhere::= menu/speedbar/contextmenu

commandcallback
  context


---Keyboard--------------------------------------------------------------------
ProcessKeyboardEvent -> continuescan/stopscan
  scandirection
  fullfilename
  fileextension
  context
  action (processevent/cancelmode)
  native message


---File I/O--------------------------------------------------------------------
ReadFileIntoBuffer -> continuescan/stopscan, result
  scandirection
  fullfilename
  fileextension
  buffer
  context



===Operation library==========================================================
Cut,Copy,Paste