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#!/usr/bin/env ruby
# frozen_string_literal: false
#
# sample script of TkOptionDB
#
# If 'LANG' environment variable's value is started by 'ja',
# then read Japanese resource data and display Japanese button text.
# In other case, read English resource data and display English text.
#
require "tk"
if __FILE__ == $0 || !TkCore::INTERP.safe?
if ENV['LANG'] =~ /^ja/
# read Japanese resource
TkOptionDB.read_with_encoding(File.expand_path('resource.ja',
File.dirname(__FILE__)),
'utf-8')
else
# read English resource
TkOptionDB.readfile(File.expand_path('resource.en',
File.dirname(__FILE__)))
end
end
# 'show_msg' and 'bye_msg' procedures can be defined on BTN_CMD resource.
# Those procedures are called under $SAFE==2
cmd = TkOptionDB.new_proc_class(:BTN_CMD, [:show_msg, :bye_msg], 3) {
# If you want to check resource string (str),
# please define __check_proc_string__(str) like this.
class << self
def __check_proc_string__(str)
print "($SAFE=#{$SAFE} >>>) check!! str.tainted?::#{str.tainted?}"
str.untaint
print "==>#{str.tainted?} (<<< $SAFE=#{$SAFE}): "
str
end
private :__check_proc_string__
end
}
# following two frame widgets use same database entry
TkFrame.new(:class=>'BtnFrame'){|f|
pack(:padx=>5, :pady=>5)
TkButton.new(:parent=>f, :widgetname=>'hello'){
command proc{
print "($SAFE=#{$SAFE} >>>) : "
cmd.show_msg(TkOptionDB.inspect)
print "(<<< $SAFE=#{$SAFE})"
}
pack(:fill=>:x, :padx=>10, :pady=>10)
}
TkButton.new(:command=>proc{
print "($SAFE=#{$SAFE} >>>) : "
cmd.bye_msg
print "(<<< $SAFE=#{$SAFE} ) : "
exit
},
:parent=>f, :widgetname=>'quit'){
pack(:fill=>:x, :padx=>10, :pady=>10)
}
}
class BtnFrame < TkFrame; end
BtnFrame.new{|f|
pack(:padx=>5, :pady=>5)
TkButton.new(:parent=>f, :widgetname=>'hello'){
command proc{
print "($SAFE=#{$SAFE} >>>) : "
cmd.show_msg(TkOptionDB.inspect)
print "(<<< $SAFE=#{$SAFE})"
}
pack(:fill=>:x, :padx=>10, :pady=>10)
}
TkButton.new(:command=>proc{
print "($SAFE=#{$SAFE} >>>) : "
cmd.bye_msg
print "(<<< $SAFE=#{$SAFE})"
exit
},
:parent=>f, :widgetname=>'quit'){
pack(:fill=>:x, :padx=>10, :pady=>10)
}
}
# if unknown class, use default option values
TkFrame.new(:class=>'BtnFrame2'){|f|
pack(:padx=>5, :pady=>5)
TkButton.new(:parent=>f, :widgetname=>'hello'){
command proc{
print "($SAFE=#{$SAFE} >>>) : "
cmd.show_msg(TkOptionDB.inspect)
print "(<<< $SAFE=#{$SAFE})"
}
pack(:fill=>:x, :padx=>10, :pady=>10)
}
TkButton.new(:command=>proc{
print "($SAFE=#{$SAFE} >>>) : "
cmd.bye_msg
print "(<<< $SAFE=#{$SAFE})"
exit
},
:parent=>f, :widgetname=>'quit'){
pack(:fill=>:x, :padx=>10, :pady=>10)
}
}
Tk.mainloop
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