From: wbh <W.B.Hill@...>
Date: 2002-01-25T09:40:48+09:00
Subject: Re: Ruby/Gtk : question on menus

On Fri, 25 Jan 2002, Markus Jais wrote:

<snip>

> first is the output of "print_and_quit" function.
> how can I define a function within the "items" array?????
> ("print_and_quit" and &print_and_quit and { print_and_quit } do not work )

It's invoking the call method of the object passed in.

> why does the app crash??

The order of the parameters seems to be different from C
Accellerators need some playing with still...

require "gtk"

class SampleWindow < Gtk::Window
  def pn(msg)
    return Proc.new {puts msg,"\n"}
  end
  def initialize
    super
    items=[
          ["/_File",       nil,      "<Branch>",     nil,       nil],
          ["/File/_New",  "<ctrl>N", "<Item>",       pn("New"), nil],
          ["/File/_Quit", "<ctrl>Q", "<Item>",       pn("Quit"),nil],
          ["/_Edit",        nil,     "<Branch>",     nil,       nil],
          ["/_Help",        nil,     "<LastBranch>", nil,       nil],
          ["/Help/_About","<ctrl>A", "<Item>",       pn("H/A"), nil]
          ]
    accel=Gtk::AccelGroup.new
    fact=Gtk::ItemFactory.new(Gtk::ItemFactory::TYPE_MENU_BAR,"<main>",accel)
    fact.create_items(items)
    menu_bar=fact.get_widget("<main>")
    vbox=Gtk::VBox.new
    vbox.add(menu_bar)
    add(vbox)
    show_all
  end
end

SampleWindow.new
Gtk::main