otclient/modules/client_topmenu/topmenu.lua

TopMenu = {}

-- private variables
local topMenu
local leftButtonsPanel
local rightButtonsPanel
local gameButtonsPanel

-- private functions
local function addButton(id, description, icon, callback, panel, toggle)
  local class
  if toggle then
    class = 'TopToggleButton'
  else
    class = 'TopButton'
  end

  local button = createWidget(class, panel)
  button:setId(id)
  button:setTooltip(description)
  button:setIcon(resolvepath(icon, 3))

  if toggle then
    button.onCheckChange = callback
  else
    button.onClick = callback
  end
  return button
end

-- public functions
function TopMenu.init()
  topMenu = displayUI('topmenu.otui')
  leftButtonsPanel = topMenu:getChildById('leftButtonsPanel')
  rightButtonsPanel = topMenu:getChildById('rightButtonsPanel')
  gameButtonsPanel = topMenu:getChildById('gameButtonsPanel')

  connect(g_game, { onGameStart = TopMenu.showGameButtons,
                    onGameEnd = TopMenu.hideGameButtons })
end

function TopMenu.terminate()
  leftButtonsPanel = nil
  rightButtonsPanel = nil
  gameButtonsPanel = nil
  topMenu:destroy()
  topMenu = nil

  disconnect(g_game, { onGameStart = TopMenu.showGameButtons,
                       onGameEnd = TopMenu.hideGameButtons })

  TopMenu = nil
end

function TopMenu.addLeftButton(id, description, icon, callback)
  return addButton(id, description, icon, callback, leftButtonsPanel, false)
end

function TopMenu.addLeftToggleButton(id, description, icon, callback, right)
  return addButton(id, description, icon, callback, leftButtonsPanel, true)
end

function TopMenu.addRightButton(id, description, icon, callback)
  return addButton(id, description, icon, callback, rightButtonsPanel, false)
end

function TopMenu.addRightToggleButton(id, description, icon, callback, right)
  return addButton(id, description, icon, callback, rightButtonsPanel, true)
end

function TopMenu.addGameButton(id, description, icon, callback)
  return addButton(id, description, icon, callback, gameButtonsPanel, false)
end

function TopMenu.addGameToggleButton(id, description, icon, callback, right)
  return addButton(id, description, icon, callback, gameButtonsPanel, true)
end

function TopMenu.hideGameButtons()
  gameButtonsPanel:hide()
end

function TopMenu.showGameButtons()
  gameButtonsPanel:show()
end

function TopMenu.getButton(id)
  return topMenu:recursiveGetChildById(id)
end