examples/options: Add a double text widget

examples/menus/options/init.lua

@@ -27,7 +27,9 @@ local OptionsMenu  = Scene:extend()
 local ListBox   = require "gamecore.modules.menusystem.listbox"
 local Widget    = require "gamecore.modules.menusystem.widgets"
 
-local SubMenuWidget = Widget.Text:extend()
+local DoubleTextWidget = Widget.Text:extend()
+
+local SubMenuWidget = DoubleTextWidget:extend()
 local SceneWidget   = Widget.Text:extend()
 local ExitWidget    = Widget.Text:extend()
 
@@ -62,7 +64,7 @@ end
 function OptionsMenu:addSubMenu(name, fullname)
   self:addMenu(name)
   SubMenuWidget(self, "main", name, fullname)
-  SubMenuWidget(self, name, "main", "< Back", 1)
+  SubMenuWidget(self, name, "main", "Back", 1, "<")
 end
 
 function OptionsMenu:addScene(submenu, scene, fullname)
@@ -77,14 +79,30 @@ end
 -- WIDGETS
 -- Widgets used by menus
 
+-- DoubleText widget : a two-side text widget
+
+function DoubleTextWidget:new(menu, font, label1, label2)
+  DoubleTextWidget.super.new(self, menu, font, label1)
+  self.label2 = label2 or ""
+end
+
+function DoubleTextWidget:drawCanvas()
+  local w, h
+  w = math.floor(self.width)
+  h = math.floor(self.height / 2) - (self.font:getHeight() / 2)
+  self.font:draw(self.label, 4, h, -1, "left")
+  self.font:draw(self.label2, w-4, h, -1, "right")
+end
+
 -- Submenu widget :: go to a submenu
 
-function SubMenuWidget:new(scene, menu, newmenu, fullname, order)
+function SubMenuWidget:new(scene, menu, newmenu, fullname, order, label2)
   self.scene = scene
   local widgetmenu  = self.scene.menusystem.menus[menu]
   local font        = self.scene.assets.fonts["medium"]
+  local label2      = label2 or ">"
   self.newmenu      = newmenu
-  SubMenuWidget.super.new(self, widgetmenu, font, fullname)
+  SubMenuWidget.super.new(self, widgetmenu, font, fullname, label2)
   self.order = order or 0
 end