implement chat colors, rework on UI layout update system

modules/game_console/console.lua

@@ -0,0 +1,60 @@
+Console = {}
+
+-- private variables
+local SpeakTypes = {
+  say = { color = '#FFFF00' },
+  whisper = { color = '#FFFF00' },
+  yell = { color = '#FFFF00' },
+  monsterSay = { color = '#FE6500' },
+  npcToPlayer = { color = '#5FF7F7' },
+  channelYellow = { color = '#FFFF00' },
+  channelWhite = { color = '#FFFFFF' },
+  channelRed = { color = '#F55E5E' },
+  channelOrange = { color = '#FE6500' },
+  private = { color = '#FFFF00' },
+  playerToNpc = { color = '#9F9DFD' },
+  broadcast = { color = '#F55E5E' },
+  privateRed = { color = '#F55E5E' }
+}
+
+local consolePanel
+local consoleBuffer
+
+-- public functions
+function Console.create()
+  consolePanel = displayUI('console.otui', { parent = Game.gameBottomPanel } )
+  consoleBuffer = consolePanel:getChildById('consoleBuffer')
+end
+
+function Console.destroy()
+  consolePanel:destroy()
+  consolePanel = nil
+end
+
+function Console.addText(text, color)
+  color = color or 'white'
+
+  local label = createWidget('ConsoleLabel', consoleBuffer)
+  label:setText(text)
+  label:setForegroundColor(color)
+end
+
+-- hooked events
+local function onCreatureSpeak(name, level, speaktypedesc, message)
+  speaktype = SpeakTypes[speaktypedesc]
+  if speaktype == nil then return end
+
+  if name then
+    if Options.showLevelInConsole and level > 0 then
+      message = name .. ' [' .. level .. ']: ' .. message
+    else
+      message = name .. ': ' .. message
+    end
+  end
+
+  Console.addText(message, speaktype.color)
+end
+
+connect(Game, { onLogin = Console.create,
+                onLogout = Console.destroy,
+                onCreatureSpeak = onCreatureSpeak})

modules/game_console/console.otmod

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+Module
+  name: game_console
+  description: Manage chat window
+  author: OTClient team
+  website: https://github.com/edubart/otclient
+  onLoad: |
+    require 'console'

modules/game_console/console.otui

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+ConsoleLabel < UILabel
+  font: verdana-11px-antialised
+  height: 14
+  color: yellow
+
+Panel
+  id: consolePanel
+  anchors.fill: parent
+
+  Panel
+    id: consoleBuffer
+    anchors.top: parent.top
+    anchors.left: parent.left
+    anchors.right: parent.right
+    anchors.bottom: consoleLineEdit.top
+    margin-right: 6
+    margin-left: 6
+    margin-bottom: 2
+    margin-top: 6
+    layout:
+      type: verticalBox
+      align-bottom: true
+    focusable: false
+
+  LineEdit
+    id: consoleLineEdit
+    anchors.left: parent.left
+    anchors.right: parent.right
+    anchors.bottom: parent.bottom
+    margin-right: 6
+    margin-left: 6
+    margin-bottom: 6
+    always-active: true