Configuring Ace

Core ace components (editor, session, renderer, mouseHandler) implement optionProvider interface

setOption(optionName, optionValue)
setOptions({
    optionName : optionValue
    ...
})
getOption(optionName)
getOptions()

here's a list of all supported options. Where not indicated otherwise option values are boolean.

editor options

selectionStyle: "line"|"text"
highlightActiveLine: 
highlightSelectedWord: 
readOnly: 
cursorStyle: "ace"|"slim"|"smooth"|"wide"
mergeUndoDeltas: false true "always"
behavioursEnabled: 
wrapBehavioursEnabled: 
autoScrollEditorIntoView: // this is needed if editor is inside scrollable page

renderer options

hScrollBarAlwaysVisible:
vScrollBarAlwaysVisible:
highlightGutterLine:
animatedScroll:
showInvisibles:
showPrintMargin:
printMarginColumn:
printMargin:
fadeFoldWidgets:
showFoldWidgets:
showLineNumbers:
showGutter:
displayIndentGuides:
fontSize: number or css font-size string
fontFamily: css 
maxLines: 
minLines:
scrollPastEnd: 
fixedWidthGutter:
theme: path to a theme e.g "ace/theme/textmate"

mouseHandler options

scrollSpeed: number
dragDelay:  number
dragEnabled:
focusTimout: number
tooltipFollowsMouse:

session options

firstLineNumber: number
overwrite:
newLineMode:
useWorker:
useSoftTabs:
tabSize: number
wrap: 
foldStyle:
mode: path to a mode e.g "ace/mode/text"

editor options defined by extensions

enableMultiselect: 
enableEmmet: 
enableBasicAutocompletion:
enableSnippets:
spellcheck:
useElasticTabstops:

editor.setOption will also modify options of editor.session, editor.renderer and editor.$mouseHandler