packages/event-handlers.coffee

   1 utils           = require 'utils'
   2 { getCommand }  = require 'commands'
   3 { Vim }         = require 'vim'
   4
   5 { interfaces: Ci } = Components
   6
   7 KeyboardEvent = Ci.nsIDOMKeyEvent
   8
   9 vimBucket = new utils.Bucket utils.getWindowId, (obj) -> new Vim obj
  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         when KeyboardEvent.DOM_VK_TAB     then @key = 'Tab'
  19
  20     @shift  = event.shiftKey
  21     @alt    = event.altKey
  22     @ctrl   = event.ctrlKey
  23     @meta   = event.metaKey
  24
  25   isValid: -> @key
  26
  27   toString: ->
  28     k = (a, b) -> if a then b else ''
  29     if @at or @ctrl or @meta
  30       "<#{ k(@ctrl, 'c') }#{ k(@alt, 'a') }#{ k(@meta, 'm') }-#{ @key }>"
  31     else
  32       @key
  33
  34 suppressEvent = (event) ->
  35   event.preventDefault()
  36   event.stopPropagation()
  37
  38 handlers =
  39   'keypress': (event) ->
  40     try
  41       isEditable =  utils.isElementEditable event.originalTarget
  42       if event.keyCode == KeyboardEvent.DOM_VK_ESCAPE or not isEditable
  43         if window = utils.getEventTabWindow event
  44           keyInfo = new KeyInfo event
  45           if keyInfo.isValid()
  46             console.log event.keyCode, event.which, event.charCode, keyInfo.toString()
  47             if vimBucket.get(window)?.keypress keyInfo
  48               suppressEvent event
  49     catch err
  50       console.log err
  51
  52
  53   'focus': (event) ->
  54     if window = utils.getEventTabWindow event
  55       vimBucket.get(window)?.focus event.originalTarget
  56
  57   'blur': (event) ->
  58     if window = utils.getEventTabWindow event
  59       vimBucket.get(window)?.blur event.originalTarget
  60
  61   'TabClose': (event) ->
  62     if gBrowser = utils.getEventTabBrowser event
  63       if browser = gBrowser.getBrowserForTab event.originalTarget
  64         vimBucket.forget browser.contentWindow.wrappedJSObject
  65
  66   'DOMWindowClose': (event) ->
  67     if gBrowser = event.originalTarget.gBrowser
  68       for tab in gBrowser.tabs
  69         if browser = gBrowser.getBrowserForTab tab
  70           vimBucket.forget browser.contentWindow.wrappedJSObject
  71
  72 exports.handlers = handlers