Sha256: f1581675fb8d79083586d36a23be08a78565ab274b471f42a8e883e6ecfe7f9b
Contents?: true
Size: 911 Bytes
Versions: 8
Compression:
Stored size: 911 Bytes
Contents
class Shoes
module Common
# Changeable elements are elements that receive `change' events.
# These are ListBox, EditBox and EditLine. To have your code respond
# to these events, either pass a block in when creating the element,
# or call #change on the element with a block.
module Changeable
# Add an extra change event listener block
#
# @yield The block to execute on a change event
def change(&blk)
add_change_listener(blk)
end
# The GUI backend needs to call this when an actual change happens in
# the backend.
def call_change_listeners
change_listeners.each do |listener|
listener.call(self)
end
end
private
def change_listeners
@change_listeners ||= []
end
def add_change_listener(callable)
change_listeners << callable
end
end
end
end
Version data entries
8 entries across 8 versions & 3 rubygems