examples/inventory: add an exit widget

examples/menus/inventory/init.lua

@@ -30,6 +30,7 @@ local Widget    = require "gamecore.modules.menusystem.widgets"
 
 local InventoryWidget = Widget.Text:extend()
 local ItemWidget      = Widget.Text:extend()
+local ExitWidget      = Widget.Text:extend()
 
 function Inventory:new()
   Inventory.super.new(self)
@@ -40,6 +41,7 @@ function Inventory:new()
   self:addSubMenu("weapon", "Weapons")
   self:addSubMenu("shield", "Shields")
   self:addSubMenu("stuff",  "Stuff")
+  ExitWidget(self, "main", "Exit")
 
   self:addItem("weapon", 3)
   self:addItem("weapon", 2)
@@ -52,8 +54,6 @@ function Inventory:new()
   self.menusystem:switchMenu("main")
   self.menusystem.menus["weapon"].isVisible = true
   self.menusystem.menus["weapon"].isActive  = true
-
-
 end
 
 -- MENU FUNCTION
@@ -113,5 +113,17 @@ function ItemWidget:action()
 
 end
 
+-- Exit widget
+
+function ExitWidget:new(scene, menu, fullname)
+  self.scene = scene
+  local widgetmenu  = self.scene.menusystem.menus[menu]
+  local font        = self.scene.assets.fonts["medium"]
+  ExitWidget.super.new(self, widgetmenu, font, fullname)
+end
+
+function ExitWidget:action(source)
+  core.scenemanager:setStoredScene("mainmenu")
+end
 
 return Inventory