ask_for_location (MainWindow)

          # File lib/json/editor.rb, line 1320
    1320:       def ask_for_location
    1321:         dialog = Dialog.new(
    1322:           "Load data from location...",
    1323:           nil, nil,
    1324:           [ Stock::OK, Dialog::RESPONSE_ACCEPT ],
    1325:           [ Stock::CANCEL, Dialog::RESPONSE_REJECT ]
    1326:         )
    1327:         hbox = HBox.new(false, 5)
    1328:
    1329:         hbox.pack_start(Label.new("Location:"), false)
    1330:         hbox.pack_start(location_input = Entry.new)
    1331:         location_input.width_chars = 60
    1332:         location_input.text = @location || ''
    1333:
    1334:         dialog.vbox.pack_start(hbox, false)
    1335:
    1336:         dialog.signal_connect('key-press-event''key-press-event', &DEFAULT_DIALOG_KEY_PRESS_HANDLER)
    1337:         dialog.show_all
    1338:         dialog.run do |response|
    1339:           if response == Dialog::RESPONSE_ACCEPT
    1340:             return @location = location_input.text
    1341:           end
    1342:         end
    1343:         return
    1344:       ensure
    1345:         dialog.destroy if dialog
    1346:       end