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#!/usr/bin/env ruby
require 'remote-tk'
# start sub-process
ip_name = 'remote_ip'
ip_list = TkWinfo.interps
fork{
exec "/usr/bin/env ruby -r tk -e \"Tk.appname('#{ip_name}');Tk.mainloop\""
}
sleep 1 until (app = (TkWinfo.interps - ip_list)[0]) && app =~ /^#{ip_name}/
p TkWinfo.interps
# create RemoteTkIp object
ip = RemoteTkIp.new(app)
# setup remote-ip window
btns = []
ip.eval_proc{
btns <<
TkButton.new(:command=>proc{
puts 'This procesure is on the controller-ip (Ruby-side)'
},
:text=>'print on controller-ip (Ruby-side)').pack(:fill=>:x)
btns <<
TkButton.new(:command=>
'puts {This procesure is on the remote-ip (Tk-side)}',
:text=>'print on remote-ip (Tk-side)').pack(:fill=>:x)
btns <<
TkButton.new(:command=>
'ruby {
puts "This procedure is on the remote-ip (Ruby-side)"
p Array.new(3,"ruby")
}',
:text=>'ruby cmd on the remote-ip').pack(:fill=>:x)
TkButton.new(:command=>'exit', :text=>'QUIT').pack(:fill=>:x)
}
# setup controller-ip window
btns.each_with_index{|btn, idx|
# The scope of the eval-block of 'eval_proc' method is different from
# the enternal. If you want to pass local values to the eval-block,
# use arguments of eval_proc method. They are passed to block-arguments.
TkButton.new(:command=>proc{ip.eval_proc(btn){|b| b.flash}},
:text=>"flash button-#{idx}",
:padx=>10).pack(:padx=>10, :pady=>2)
}
TkButton.new(:command=>proc{exit}, :text=>'QUIT',
:padx=>10, :pady=>7).pack(:padx=>10, :pady=>7)
# start eventloop
Tk.mainloop
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