[wxruby-users] Preloading the wx libraries

[Magnus Engström]

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I tried this approach, but I missed the Thread.pass bit, so my threads
wasn't very effective when I wasn't operating on the frames :)

I'll play around a bit and see what happens.
Thanks!

/Magnus

Alex Fenton wrote:
> Hi
> 
> Mario Steele wrote:
>> *mouth drops*  I never knew wxRuby was being used, or could even be
>> used on something like that little thing.  
> Likewise ... cool
> 
>> The problem with that, is you need to initialize Wx::App only once. 
>> Any attempt to use Wx::App more then once, will cause the error your
>> getting.  
> Generally, this is part of the design of the Wx library, not just wxRuby
> - it expects the main_loop to be entered only once, as part of the
> library is initialised at this point rather than at library load.
>> You could possibly setup a Client/Server system, in which you create a
>> dummy library, that replicates the functionality of wxRuby, which
>> actually communicates to the Server, to create the windows, and such. 
>> That would be the only way you would be able to "Pre Load" the wxRuby
>> library.
> I looked into this approach a while back when I was trying to create an
> interactive wxRuby shell which could be used to test out ideas quickly.
> I never got it into a fully functional state, but here's the code in
> case it helps you. It creates a server app upon which a client can
> execute wx code.
> 
> alex
> 
> ##### CLIENT #####
> 
> require 'socket'
> include Socket::Constants
> 
> 
> while command = gets
>  if command.chomp == "x"
>       exit!
>  end
>  p 'command'
>  socket = Socket.new( AF_INET, SOCK_STREAM, 0 )
>  sockaddr = Socket.pack_sockaddr_in( 5858, '127.0.0.1' )
>  socket.connect( sockaddr )
>  socket.write( command )
>  result = socket.readline
>  STDOUT.puts ">> #{result}"
>  socket.close
> end
> # results = socket.read
> 
> ##### SERVER #####
> 
> require 'wx'
> 
> require 'socket'
> 
> class IRBApp < Wx::App
>  def on_init
> 
>    server = TCPServer.new('127.0.0.1', 5858)
> 
>    $f = Wx::Frame.new(nil, -1, 'empty')
>    # $f.show
>    Wx::Timer.every(100) { Thread.pass }
> 
>    listener = Thread.new do
>      while session = server.accept
>        command = session.gets
>        p command
>        begin
>          result = eval( command )
>        rescue => result
>        end
>        session.puts(result.inspect)
>        session.close
>      end
>    end
>    listener.abort_on_exception = true
>  end
> end
> 
> 
> IRBApp.new().main_loop
> 
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