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Contents
# Copyright (c) 2023 M.J.N. Corino, The Netherlands
#
# This software is released under the MIT license.
#
# Some parts are
# Copyright 2004-2007, wxRuby development team
# released under the MIT-like wxRuby2 license
module Wx
# Mixin module to provide convenience method for defining Windows/Control ids.
# @example Define an ID module
# module MyIDS
# include Wx::IDHelper
# # by default the offset for the next id is Wx::ID_HIGHEST which makes 'Wx::ID_HIGHEST+1'
# # the first id value returned.
# MY_FIRST_ID = self.next_id
# MY_SECOND_ID = self.next_id # MY_SECOND_ID will have value Wx::ID_HIGHEST+2
#
# # optionally a user defined offset can be specified like this:
# MY_OTHER_ID = self.next_id(MY_FIRST_ID+1000) # MY_OTHER_ID will have value MY_FIRST_ID+1001
# MY_OTHER_ID2 = self.next_id # MY_OTHER_ID2 will have value MY_FIRST_ID+1002
# end
#
module IDHelper
def self.included(base)
base.singleton_class.class_eval do
def next_id(offset = nil)
# set the offset if @next_id still unset or a user defined offset has been specified
@next_id = (offset || Wx::ID_HIGHEST) if @next_id.nil? || offset
@next_id += 1 # increment and return next id
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems