Rework auto focus behavior, closes #222

modules/corelib/const.lua

@@ -19,6 +19,10 @@ KeyboardFocusReason = 1
 ActiveFocusReason = 2
 OtherFocusReason = 3
 
+AutoFocusNone = 0
+AutoFocusFirst = 1
+AutoFocusLast = 2
+
 KeyboardNoModifier = 0
 KeyboardCtrlModifier = 1
 KeyboardAltModifier = 2

modules/corelib/ui/uiwindow.lua

@@ -5,6 +5,7 @@ function UIWindow.create()
   local window = UIWindow.internalCreate()
   window:setTextAlign(AlignTopCenter)
   window:setDraggable(true)
+  window:setAutoFocusPolicy(AutoFocusFirst)
   return window
 end