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         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     isEditable =  utils.isElementEditable event.originalTarget
  41     if event.keyCode == KeyboardEvent.DOM_VK_ESCAPE or not isEditable
  42       if window = utils.getEventTabWindow event
  43         keyInfo = new KeyInfo event
  44         if keyInfo.isValid()
  45           console.log event.keyCode, event.which, event.charCode, keyInfo.toString()
  46           if vimBucket.get(window)?.keypress keyInfo
  47             suppressEvent event
  48
  49
  50   'focus': (event) ->
  51     if window = utils.getEventTabWindow event
  52       vimBucket.get(window)?.focus event.originalTarget
  53
  54   'blur': (event) ->
  55     if window = utils.getEventTabWindow event
  56       vimBucket.get(window)?.blur event.originalTarget
  57
  58   'TabClose': (event) ->
  59     if gBrowser = utils.getEventTabBrowser event
  60       if browser = gBrowser.getBrowserForTab event.originalTarget
  61         vimBucket.forget browser.contentWindow.wrappedJSObject
  62
  63   'DOMWindowClose': (event) ->
  64     if gBrowser = event.originalTarget.gBrowser
  65       for tab in gBrowser.tabs
  66         if browser = gBrowser.getBrowserForTab tab
  67           vimBucket.forget browser.contentWindow.wrappedJSObject
  68
  69 exports.handlers = handlers