class LayoutSample

Public Class Methods

new() click to toggle source
Calls superclass method SampleWindow.new
# File gtk2/sample/testgtk/layout.rb, line 37
def initialize
  super("Gtk::Layout")

  set_default_size(200, 200)

  scrolledwindow = Gtk::ScrolledWindow.new

  add(scrolledwindow)
    
  @layout = Gtk::Layout.new(nil, nil)
  scrolledwindow.add(@layout)

  # We set step sizes here since GtkLayout does not set
  # them itself.
  @layout.hadjustment.step_increment = 10.0
  @layout.vadjustment.step_increment = 10.0

  @layout.set_events(Gdk::Event::EXPOSURE_MASK)
  @layout.signal_connect("expose_event") do | w, event |
    layout_expose_handler(event)
  end

  @layout.set_size(1600, 128000)
    
  for i in 0..15 do
    for j in 0..15 do
      buf = "Button #{i}, #{j}"
      if ((i + j) % 2) != 0 then
        button = Gtk::Button.new(buf)
      else
        button = Gtk::Label.new(buf)
      end

      @layout.put(button, j*100, i*100)
      button.show
    end
  end

  for i in 16..1279 do
    buf = "Button #{i}, 0"
    if (i % 2) != 0 then
      button = Gtk::Button.new(buf)
    else
      button = Gtk::Label.new(buf)
    end
    @layout.put(button, 0, i * 100)
  end
end