change loadUI/UI.display lua API

modules/about/about.lua

@@ -5,7 +5,7 @@ local about
 
 -- public functions
 function About.create()
-  about = UI.loadAndDisplay("/about/about.otui")
+  about = UI.display('about.otui')
   UI.root:lockChild(about)
 end
 

modules/background/background.lua

@@ -5,7 +5,7 @@ local background
 
 -- public functions
 function Background.create()
-  background = UI.loadAndDisplay('/background/background.otui')
+  background = UI.display('background.otui')
 end
 
 function Background.destroy()

modules/chat/chat.lua

@@ -20,7 +20,7 @@ end
 
 -- public functions
 function Chat.create()
-  chatPanel = loadUI("/chat/chat.otui", Game.gameBottomPanel)
+  chatPanel = UI.display('chat.otui', { parent = Game.gameBottomPanel } )
   chatBuffer = chatPanel:getChildById('chatBuffer')
 end
 

modules/console/console.lua

@@ -120,8 +120,7 @@ end
 
 -- public functions
 function Console.init()
-  consoleWidget = UI.loadAndDisplay("/console/console.otui")
-  consoleWidget:hide()
+  consoleWidget = UI.display('console.otui', { visible = false })
   connect(consoleWidget, { onKeyPress = onKeyPress })
 
   commandLineEdit = consoleWidget:getChildById('commandLineEdit')

modules/core/ext/table.lua

@@ -3,7 +3,7 @@ function table.dump(t, depth)
   for k,v in pairs(t) do
     str = string.rep(' ', depth * 2) .. k .. ': '
     if type(v) ~= "table" then
-      print(str .. v)
+      print(str .. tostring(v))
     else
       print(str)
       table.dump(v, depth+1)

modules/core/ui.lua

@@ -1,22 +1,38 @@
 UI = { }
 UI.root = getRootWidget()
 
-function UI.loadAndDisplayLocked(otuiFile)
-  local widget = loadUI(otuiFile, UI.root)
-  UI.root:lockChild(widget)
+-- public functions
+function UI.display(arg1, options)
+  local widget
+  local parent
+  if options then parent = options.parent end
+  parent = parent or UI.root
+
+  -- display otui files
+  if type(arg1) == 'string' then
+    local otuiFilePath = resolveFileFullPath(arg1, 2)
+    widget = loadUI(otuiFilePath, parent)
+  -- display already loaded widgets
+  else
+    widget = arg1
+    if parent:hasChild(widget) then
+      widget:focus()
+      widget:show()
+    else
+      parent:addChild(widget)
+      widget:show()
+    end
+  end
+
+  -- apply display options
+  if widget and options then
+    for option,value in pairs(options) do
+      if option == 'locked' and value then
+        widget:lock()
+      elseif option == 'visible' then
+        widget:setVisible(value)
+      end
+    end
+  end
   return widget
 end
-
-function UI.loadAndDisplay(otuiFile)
-  local widget = loadUI(otuiFile, UI.root)
-  return widget
-end
-
-function UI.display(widget)
-  UI.root:addChild(widget)
-end
-
-function UI.displayLocked(widget)
-  UI.root:addChild(widget)
-  UI.root:lockChild(widget)
-end

modules/core/util.lua

@@ -29,3 +29,27 @@ function dumpWidgets()
     print(UI.root:getChildByIndex(i):getId())
   end
 end
+
+function getCallingScriptSourcePath(depth)
+  depth = depth or 2
+  local info = debug.getinfo(1+depth, "Sn")
+  local path
+  if info.short_src then
+    path = info.short_src:match("(.*)/.*")
+  end
+  if not path then
+    path = '/'
+  elseif path:sub(0, 1) ~= '/' then
+    path = '/' .. path
+  end
+  return path
+end
+
+function resolveFileFullPath(filePath, depth)
+  depth = depth or 1
+  if filePath:sub(0, 1) ~= '/' then
+    return getCallingScriptSourcePath(depth+1) .. '/' .. filePath
+  else
+    return filePath
+  end
+end

modules/entergame/characterlist.lua

@@ -56,7 +56,7 @@ function CharacterList.create(characters, premDays)
     charactersWindow:destroy()
   end
 
-  charactersWindow = UI.loadAndDisplay('/entergame/characterlist.otui')
+  charactersWindow = UI.display('characterlist.otui')
   characterList = charactersWindow:getChildById('characterList')
   local accountStatusLabel = charactersWindow:getChildById('accountStatusLabel')
   charactersWindow.onKeyPress = onCharactersWindowKeyPress

modules/entergame/entergame.lua

@@ -51,7 +51,7 @@ end
 
 -- public functions
 function EnterGame.create()
-  enterGame = UI.loadAndDisplay('/entergame/entergame.otui')
+  enterGame = UI.display('entergame.otui')
 
   local account = Configs.get('account')
   local password = Configs.get('password')

modules/game/game.lua

@@ -16,7 +16,7 @@ end
 function Game.createInterface()
   Background.hide()
   CharacterList.destroyLoadBox()
-  Game.gameUi = UI.loadAndDisplay('/game/game.otui')
+  Game.gameUi = UI.display('/game/game.otui')
   UI.root:moveChildToIndex(Game.gameUi, 1)
   Game.gameMapPanel = Game.gameUi:getChildById('mapPanel')
   Game.gameRightPanel = Game.gameUi:getChildById('rightPanel')

modules/health_mana/health_mana.lua

@@ -5,7 +5,7 @@ local healthManaPanel = nil
 
 -- public functions
 function HealthMana.create()
-  healthManaPanel = loadUI("/health_mana/health_mana.otui", Game.gameRightPanel)
+  healthManaPanel = UI.display('health_mana.otui', { parent = Game.gameRightPanel })
 
   local healthBar = UIProgressBar.create()
   healthManaPanel:addChild(healthBar)

modules/inventory/inventory.lua

@@ -16,7 +16,7 @@ local InventorySlotAmmo = 10
 
 -- public functions
 function Inventory.create()
-  window = loadUI("/inventory/inventory.otui", Game.gameRightPanel)
+  window = UI.display('inventory.otui', { parent = Game.gameRightPanel })
 
   local itemWidget = window:getChildById('feet')
   window:setHeight(itemWidget:getPosition().y + itemWidget:getHeight() - window:getPosition().y)

modules/messagebox/messagebox.lua

@@ -10,7 +10,7 @@ function MessageBox.create(title, text, flags)
   setmetatable(box, MessageBox)
 
   -- create messagebox window
-  local window = UI.loadAndDisplayLocked('/messagebox/messagebox.otui')
+  local window = UI.display('messagebox.otui', { locked = true })
   window:setTitle(title)
 
   local label = window:getChildById('messageBoxLabel')

modules/options/options.lua

@@ -43,7 +43,7 @@ end
 
 -- public functions
 function Options.create()
-  options = UI.loadAndDisplayLocked("/options/options.otui")
+  options = UI.display('options.otui', { locked = true })
 
   local fpsBox = options:getChildById('fpsCheckBox')
   local vsyncBox = options:getChildById('vsyncCheckBox')

modules/outfit/outfit.lua

@@ -96,7 +96,7 @@ end
 
 function Outfit.create(creature, outfitList)
   Outfit.destroy()
-  window = loadUI("/outfit/outfit.otui", UI.root)
+  window = UI.display('outfit.otui', { parent = UI.root })
   window:lock()
 
   m_outfit = creature:getOutfit()

modules/playground/playground.lua

@@ -11,7 +11,7 @@ function UIItem.onMouseRelease(self, mousePos, mouseButton)
   local menuFile = self:getStyle()['popup menu']
   if not menuFile then return end
 
-  local popupMenu = UI.loadAndDisplay(menuFile)
+  local popupMenu = UI.display(menuFile)
   if not popupMenu then return end
 
   popupMenu:moveTo(mousePos)

modules/skills/skills.lua

@@ -6,7 +6,7 @@ local skills = {"Fist Fighting", "Club Fighting", "Sword Fighting", "Axe Fightin
 
 -- public functions
 function Skills.create()
-  skillWindow = loadUI("/skills/skills.otui", Game.gameRightPanel)
+  skillWindow = UI.display('skills.otui', { parent = Game.gameRightPanel })
 
   local skillPanel = skillWindow:getChildById('skillPanel')
 

modules/tooltip/tooltip.lua

@@ -20,7 +20,7 @@ end
 function ToolTip.display(text)
   if text then
     ToolTip.hide()
-    currentToolTip = UI.loadAndDisplay('/tooltip/tooltip.otui', UI.root)
+    currentToolTip = UI.display('tooltip.otui')
     currentToolTip.onMouseMove = moveToolTip
     local label = currentToolTip:getChildById('toolTipText')
     label:setText(text)

modules/topmenu/topmenu.lua

@@ -5,7 +5,7 @@ local topMenu
 
 -- public functions
 function TopMenu.create()
-  topMenu = UI.loadAndDisplay("/topmenu/topmenu.otui")
+  topMenu = UI.display('topmenu.otui')
 end
 
 function TopMenu.destroy()

modules/viplist/viplist.lua

@@ -5,7 +5,7 @@ local vipWindow = nil
 
 -- public functions
 function VipList.create()
-  vipWindow = loadUI("/viplist/viplist.otui", Game.gameRightPanel)
+  vipWindow = UI.display('viplist.otui', { parent = Game.gameRightPanel })
 end
 
 function VipList.destroy()

src/framework/ui/uiwidget.cpp

@@ -156,10 +156,14 @@ void UIWidget::setStyleFromNode(const OTMLNodePtr& styleNode)
 
 void UIWidget::setParent(const UIWidgetPtr& parent)
 {
-    UIWidgetPtr self = asUIWidget();
-
     // remove from old parent
     UIWidgetPtr oldParent = getParent();
+
+    // the parent is already the same
+    if(oldParent == parent)
+        return;
+
+    UIWidgetPtr self = asUIWidget();
     if(oldParent && oldParent->hasChild(self))
         oldParent->removeChild(self);