init menu

modules/core_widgets/core_widgets.otmod

@@ -7,5 +7,6 @@ Module
   onLoad: |
     require 'tooltip/tooltip'
     require 'messagebox/messagebox'
-    require 'uicombobox/uicombobox'
+    require 'uicombobox'
+    require 'uipopupmenu'
     return true

modules/core_widgets/uipopupmenu.lua

@@ -0,0 +1,34 @@
+-- extends UIWidget
+UIPopupMenu = extends(UIWidget)
+
+-- public functions
+function UIPopupMenu.create()
+  local menu = UIPopupMenu.internalCreate()
+  local layout = UIVerticalLayout.create(menu)
+  layout:setFitParent(true)
+  menu:setLayout(layout)
+  return menu
+end
+
+function UIPopupMenu.display(otui, pos)
+  local menu = UI.display(otui, {x = pos.x, y = pos.y})
+  return menu
+end
+
+-- hooked events
+local function onWidgetStyleApply(widget, style)
+  if style and style.popupmenu then
+    widget.popupmenu = style.popupmenu
+  end
+end
+
+local function onWidgetMousePress(widget, mousePos, mouseButton)
+  if widget.popupmenu and mouseButton == MouseRightButton then
+    UIPopupMenu.display(widget.popupmenu, mousePos)
+    return true
+  end
+  return false
+end
+
+connect(UIWidget, { onStyleApply = onWidgetStyleApply,
+                    onMousePress = onWidgetMousePress })