class Fox::FXPseudoTarget

FXPseudoTarget instances act as the message target for any widgets that elect to use the connect method to map certain message types to blocks.

Public Class Methods

new ()

Source

# File lib/fox16/responder2.rb, line 22
def initialize
  super
  @context = {}
end

Returns an initialized FXPseudoTarget object.

Calls superclass method Fox::FXObject::new

Public Instance Methods

onHandleMsg (sender, sel, ptr)

Source

# File lib/fox16/responder2.rb, line 50
def onHandleMsg(sender, sel, ptr)
  message_type = Fox.FXSELTYPE(sel)
  ctx = @context[message_type]
  callable_object = ctx[:callable]
  params = ctx[:params]
  result = callable_object.call(sender, sel, ptr)
  case message_type
  when SEL_TIMEOUT
    if params[:repeat]
      FXApp.instance.addTimeout(params[:delay], callable_object, params)
    else
      @@targets_of_pending_timers.delete(self)
    end
  when SEL_CHORE
    if params[:repeat]
      FXApp.instance.addChore(callable_object, params)
    else
      @@targets_of_pending_chores.delete(self)
    end
  end
  result
end

Handle a message from sender, with selector sel and message data ptr.

pconnect (message_type, callable_object, params={})

Source

# File lib/fox16/responder2.rb, line 31
def pconnect(message_type, callable_object, params={})
  @context[message_type] = { :callable => callable_object, :params => params }
  FXMAPTYPE(message_type, :onHandleMsg)
  case message_type
  when SEL_TIMEOUT
    @@targets_of_pending_timers[self] = self
  when SEL_CHORE
    @@targets_of_pending_chores[self] = self
  when SEL_SIGNAL
    @@targets_of_pending_signals[self] = self
  when SEL_IO_READ, SEL_IO_WRITE, SEL_IO_EXCEPT
    @@targets_of_pending_inputs[self] = self
  end
end

Store an association between a message of type message_type with a callable object.