reorganize some stuff

modules/core_lib/globals.lua

@@ -0,0 +1,73 @@
+rootWidget = g_ui.getRootWidget()
+
+function importStyle(otui)
+  g_ui.importStyle(resolvepath(otui, 2))
+end
+
+function importFont(otfont)
+  g_fonts.importFont(resolvepath(otfont, 2))
+end
+
+function setDefaultFont(font)
+  g_fonts.setDefaultFont(font)
+end
+
+function displayUI(arg1, options)
+  local widget
+  local parent
+  if options then parent = options.parent end
+  parent = parent or rootWidget
+
+  -- display otui files
+  if type(arg1) == 'string' then
+    local otuiFilePath = resolvepath(arg1, 2)
+    widget = g_ui.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)
+      elseif option == 'x' then
+        widget:setX(value)
+      elseif option == 'y' then
+        widget:setY(value)
+      end
+    end
+  end
+  return widget
+end
+
+function createWidget(style, parent)
+  local className = g_ui.getStyleClass(style)
+  if className == "" then
+    error('could not find style ' .. style)
+    return
+  end
+
+  local class = _G[className]
+  if not class then
+    error('could not find widget class ' .. class)
+    return
+  end
+
+  local widget = class.create()
+  if parent then
+    parent:addChild(widget)
+  end
+  widget:setStyle(style)
+  return widget
+end