From: Morton Goldberg <m_goldberg@...>
Date: 2008-02-23T09:57:04+09:00
Subject: Re: Ruby/Tk

On Feb 22, 2008, at 1:29 PM, Isaac Toothyxdip wrote:

> so how would you do this?

<code>
require 'tk'

class Example
    def initialize
       @number = 1
       root = Tk.root
       root.title('Ruby/Tk Example')
       @lbl = TkLabel.new(root) {
          borderwidth 1
          relief :solid
          width 10
          pack(:pady => 10)
       }
       @lbl.text = @number.to_s
       @btn = TkButton.new(root) {
          text "Add One"
          pack(:pady => 10)
       }
       @btn.command = lambda { action }
       # Set initial window geometry; i.e., size and placement.
       win_w, win_h, win_y = 200, 85, 50
       win_x = (root.winfo_screenwidth - win_w) / 2
       root.geometry("#{win_w}x#{win_h}+#{win_x}+#{win_y}")
       # Set resize permissions.
       root.resizable(false, false)
       # Make Cmnd+Q work as expected on OS X.
       if RUBY_PLATFORM =~ /darwin/
          root.bind('Command-q') { root.destroy }
       end
       Tk.mainloop
    end

    def action
       @number += 1
       @lbl.text = @number.to_s
    end
end

Example.new
</code>

> Ive tried to google a good guide but they are
> only like a couple examples and maybe a page. Other then help with  
> this
> problem (which im going to continue to work on while this is posted) i
> want to know if anyone has a good guide that has examples but also
> explains them. Or maybe a website like
> http://www.ruby-doc.org/docs/ProgrammingRuby/ for tk so i can see  
> all of
> the commands like label and button.

There are a lot of examples at

    http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/ext/ 
tk/sample/

Regards, Morton