def initialize
@size_group = nil
@display_model = nil
@screen_model = nil
@screen_selection = nil
@current_display = nil
@current_screen = nil
super('Change Screen or display',
nil,
Gtk::Dialog::NO_SEPARATOR,
[Gtk::Stock::CLOSE, Gtk::Dialog::RESPONSE_CLOSE],
['Change', Gtk::Dialog::RESPONSE_OK])
set_default_size(300, 400)
signal_connect('response') do |dialog, response_id|
if response_id == Gtk::Dialog::RESPONSE_OK
if Gtk.check_version?(2, 2, 0)
query_change_display
else
puts "This sample requires GTK+ 2.2.0 or later"
end
else
destroy
end
end
signal_connect('destroy') do
end
unless Gtk.check_version?(2, 2, 0)
vbox.add(Gtk::Label.new("This sample requires GTK+ 2.2.0 or later"))
return
end
vbox = Gtk::VBox.new(false, 5)
vbox.set_border_width(8)
self.vbox.pack_start(vbox, true, true)
@size_group = Gtk::SizeGroup.new(Gtk::SizeGroup::HORIZONTAL)
frame = create_display_frame
vbox.pack_start(frame, true, true)
frame = create_screen_frame
vbox.pack_start(frame, true, true)
initialize_displays
end