core/menusystem: rework default Widget

sonic-boost.love/core/modules/menusystem/widgets/init.lua

@@ -1,68 +1,59 @@
 local Widget = {}
 
 BaseWidget  = Object:extend()
-DummyWidget = BaseWidget:extend()
 
-function BaseWidget:new(controller)
-  self.controller = controller
+function BaseWidget:new(menu)
+  self.menu = menu
 
   self.destroyed  = false
   self.selectable = false
   self.selection_margin = 0
   self.margin = 2
-  self.label = ""
 
-  self.beginlabel = ""
-  self.endlabel   = ""
+  self:register()
+
+  self.height, self.width = self.menu:getWidgetSize()
 
   self.canvas = {}
   self.canvas.texture = nil
   self.canvas.needRedraw = true
-
-  self:register()
 end
 
 function BaseWidget:register()
-  self.controller:addWidget(self)
+  self.menu:addWidget(self)
 end
 
-function BaseWidget:setCanvas(w, h)
-  self.canvas = {}
-  self.canvas.width   = w
-  self.canvas.height  = h
+function BaseWidget:redrawCanvas()
+  self.canvas.texture = love.graphics.newCanvas(self.width, self.height)
+  love.graphics.setCanvas( self.canvas.texture )
 
-  self.canvas.selected = {}
-  self.canvas.selected.texture = nil
-  self.canvas.selected.active = false
+  self:drawCanvas()
+  self.canvas.needRedraw = false
 
-  self.canvas.base = {}
-  self.canvas.base.texture = nil
-  self.canvas.base.active = false
+  love.graphics.setCanvas( )
+end
+
+function BaseWidget:drawCanvas()
+  self.r = love.math.random(128)/256
+  self.g = love.math.random(128)/256
+  self.b = love.math.random(128)/256
+
+  love.graphics.setColor(self.r, self.g, self.b, 70)
+  love.graphics.rectangle("fill", 0, 0, self.width, self.height)
+  love.graphics.setColor(self.r, self.g, self.b)
+  love.graphics.rectangle("line", 0, 0, self.width, self.height)
+  utils.graphics.resetColor()
 end
 
 function BaseWidget:selectAction()
   -- Do nothing
 end
 
-function DummyWidget:new()
-  DummyWidget.super.new(self)
-  self.r = love.math.random(128)
-  self.g = love.math.random(128)
-  self.b = love.math.random(128)
-  self.selectable = true
-  self.label = "DUMMY WIDGET (see modules.menus.widget)"
-end
-
-function DummyWidget:draw(x, y, w, h)
-  x = x + self.margin
-  y = y + self.margin
-  w = w - self.margin * 2
-  h = h - self.margin * 2
-
-  love.graphics.setColor(self.r,self.g,self.b,70)
-  love.graphics.rectangle("fill", x, y, w, h)
-  love.graphics.setColor(self.r,self.g,self.b)
-  love.graphics.rectangle("line", x, y, w, h)
+function BaseWidget:draw(x, y)
+  if self.canvas.texture ~= nil then
+    utils.graphics.resetColor()
+    love.graphics.draw(self.canvas.texture, x, y)
+  end
 end
 
 function BaseWidget:drawSelected(x,y,w,h)
@@ -100,10 +91,10 @@ function BaseWidget:drawSelected(x,y,w,h)
 
 end
 
-function BaseWidget:draw(x, y, w, h)
-end
-
 function BaseWidget:update(dt)
+  if (self.canvas.needRedraw) then
+    self:redrawCanvas()
+  end
  -- N/A
 end
 
@@ -144,8 +135,6 @@ function drawWidget_selected(x, y, w, h)
 
 end
 
-
 Widget.Base   = BaseWidget
-Widget.Dummy  = DummyWidget
 
 return Widget