packages/event-handlers.coffee

   1 utils           = require 'utils'
   2 { getCommand }  = require 'commands'
   3 { VimBucket }   = require 'vim'
   4
   5 { interfaces: Ci } = Components
   6
   7 KeyboardEvent = Ci.nsIDOMKeyEvent
   8
   9 vimBucket = new VimBucket
  10
  11 class KeyInfo
  12   constructor: (event) ->
  13     if event.charCode > 0
  14       @key    = String.fromCharCode(event.charCode)
  15     else
  16       switch event.keyCode
  17         when KeyboardEvent.DOM_VK_ESCAPE then @key = 'Esc'
  18
  19     @shift  = event.shiftKey
  20     @alt    = event.altKey
  21     @ctrl   = event.ctrlKey
  22     @meta   = event.metaKey
  23
  24   toString: ->
  25     k = (a, b) -> if a then b else ''
  26     if @at or @ctrl or @meta
  27       "<#{ k(@ctrl, 'c') }#{ k(@alt, 'a') }#{ k(@meta, 'm') }-#{ @key }>"
  28     else
  29       @key
  30
  31 suppressEvent = (event) ->
  32   event.preventDefault()
  33   event.stopPropagation()
  34
  35 handlers =
  36   'keypress': (event) ->
  37     isEditable =  utils.isElementEditable event.originalTarget
  38     if event.keyCode == KeyboardEvent.DOM_VK_ESCAPE or not isEditable
  39       if window = utils.getEventTabWindow event
  40         keyInfo = new KeyInfo event
  41         console.log event.keyCode, event.which, event.charCode
  42         if vimBucket.get(window)?.keypress keyInfo
  43           suppressEvent event
  44
  45
  46   'focus': (event) ->
  47     if window = utils.getEventTabWindow event
  48       vimBucket.get(window)?.focus event.originalTarget
  49
  50   'blur': (event) ->
  51     if window = utils.getEventTabWindow event
  52       vimBucket.get(window)?.blur event.originalTarget
  53
  54   'TabClose': (event) ->
  55     if gBrowser = utils.getEventTabBrowser event
  56       if browser = gBrowser.getBrowserForTab event.originalTarget
  57         vimBucket.forget browser.contentWindow.wrappedJSObject
  58
  59   'DOMWindowClose': (event) ->
  60     if gBrowser = event.originalTarget.gBrowser
  61       for tab in gBrowser.tabs
  62         if browser = gBrowser.getBrowserForTab tab
  63           vimBucket.forget browser.contentWindow.wrappedJSObject
  64
  65 exports.handlers = handlers