function addHotkey()
  local assignWindow = g_ui.createWidget('HotkeyAssignWindow', rootWidget)
  assignWindow:grabKeyboard()

  local comboLabel = assignWindow:getChildById('comboPreview')
  comboLabel.keyCombo = ''
  assignWindow.onKeyDown = hotkeyCapture
end

function addKeyCombo(keyCombo, keySettings, focus)
  if keyCombo == nil or #keyCombo == 0 then return end
  if not keyCombo then return end
  local hotkeyLabel = currentHotkeys:getChildById(keyCombo)
  if not hotkeyLabel then
    hotkeyLabel = g_ui.createWidget('HotkeyListLabel')
    hotkeyLabel:setId(keyCombo)

    local children = currentHotkeys:getChildren()
    children[#children+1] = hotkeyLabel
    table.sort(children, function(a,b)
      if a:getId():len() < b:getId():len() then
        return true
      elseif a:getId():len() == b:getId():len() then
        return a:getId() < b:getId()
      else
        return false
      end
    end)
    for i=1,#children do
      if children == hotkeyLabel then
        currentHotkeys:insertChild(i, hotkeyLabel)
        break
      end
    end

    if keySettings then
      currentHotkeyLabel = hotkeyLabel
      hotkeyLabel.keyCombo = keyCombo
      hotkeyLabel.autoSend = toboolean(keySettings.autoSend)
      hotkeyLabel.itemId = tonumber(keySettings.itemId)
      hotkeyLabel.useType = tonumber(keySettings.useType)
      if keySettings.value then hotkeyLabel.value = tostring(keySettings.value) end
    else
      hotkeyLabel.keyCombo = keyCombo
      hotkeyLabel.autoSend = false
      hotkeyLabel.itemId = nil
      hotkeyLabel.useType = nil
      hotkeyLabel.value = ''
    end

    updateHotkeyLabel(hotkeyLabel)

    boundCombosCallback[keyCombo] = function() doKeyCombo(keyCombo) end
    g_keyboard.bindKeyPress(keyCombo, boundCombosCallback[keyCombo])
  end

  if focus then
    currentHotkeys:focusChild(hotkeyLabel)
    currentHotkeys:ensureChildVisible(hotkeyLabel)
    updateHotkeyForm(true)
  end
end