From: Hidetoshi NAGAI <nagai@...>
Date: 2007-12-06T15:51:23+09:00
Subject: Re: Ruby/Tk

From: Erik Boling <schmode93@yahoo.com>
Subject: Re: Ruby/Tk
Date: Sun, 2 Dec 2007 08:04:46 +0900
Message-ID: <89ddcaa365b83fbdde7c6fbaca328792@ruby-forum.com>
> > I'm not sure how to start off translating all this code justt see a bit 
> > might help, anyone know how to trans. this?
> 
> sorry hit enter =(! ok, this is the code!.....: #! 
> /usr/local/bin/wish8.1 button .b -text 0 -command {.b config -text [expr 
> [.b cget -text]+1]}
>  pack   .b ;#RS

Follwoings are some of the examples. 
Please see also 
<http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/138653>.

-----<ex.1>---------------------------------------------
b = TkButton.new(:text=>'0', :command=>proc{b.text = b.text.to_i + 1}).pack
--------------------------------------------------------

-----<ex.2>--------------------------------------------
b = TkButton.new('text'=>'0', 'command'=>proc{b.text = b.text.to_i + 1}).pack
--------------------------------------------------------

-----<ex.3>---------------------------------------------
b = TkButton.new(:text=>'0', :command=>proc{b.text(b.text.to_i + 1)}).pack
--------------------------------------------------------

-----<ex.4>---------------------------------------------
b = TkButton.new(:text=>'0', :command=>proc{b[:text] = b.text.to_i + 1}).pack
--------------------------------------------------------

-----<ex.5>---------------------------------------------
b = TkButton.new(:text=>'0', :command=>proc{b['text'] = b.text.to_i + 1}).pack
--------------------------------------------------------

-----<ex.6>---------------------------------------------
TkButton.new(:text=>'0'){|b|
   command{b.text = b.text.to_i + 1}
}.pack
--------------------------------------------------------

-----<ex.7>---------------------------------------------
TkButton.new(:text=>'0'){
   command{self.text = self.text.to_i + 1}
}.pack
--------------------------------------------------------

-----<ex.8>---------------------------------------------
TkButton.new(:text=>'0'){
   command{text(text.to_i + 1)}
}.pack
--------------------------------------------------------

-----<ex.9>---------------------------------------------
TkButton.new{
   text 0
   command{text(text.to_i + 1)}
   pack
}
--------------------------------------------------------

-----<ex.10>--------------------------------------------
cnt = 0
b = TkButton.new(:text=>cnt, :command=>proc{b.text = (cnt += 1)}).pack
--------------------------------------------------------

-----<ex.11>--------------------------------------------
TkButton.new{
   cnt = 0
   text cnt
   command{text(cnt+=1)}
   pack
}
--------------------------------------------------------

-----<ex.12>---------------------------------------------
v = TkVariable.new(0)
TkButton.new(:textvariable=>v, :command=>proc{v.numeric += 1}).pack
--------------------------------------------------------
-- 
Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)