From cd72b080bd949d9ec0b42c29e0ea31e300464dad Mon Sep 17 00:00:00 2001
From: Aki <nthirtyone@gmail.com>
Date: Wed, 24 Aug 2016 00:10:33 +0200
Subject: Focus() return bool

---
 button.lua  | 1 +
 element.lua | 8 ++------
 header.lua  | 8 ++------
 menu.lua    | 8 ++++++--
 4 files changed, 11 insertions(+), 14 deletions(-)

diff --git a/button.lua b/button.lua
index d7caf74..fd12e0b 100644
--- a/button.lua
+++ b/button.lua
@@ -34,6 +34,7 @@ end
 function Button:getPosition() return self.x,self.y end
 function Button:focus(next)
 	self.focused = true
+	return true
 end
 function Button:blur()
 	self.focused = false
diff --git a/element.lua b/element.lua
index 5ca013b..f9d1c3d 100644
--- a/element.lua
+++ b/element.lua
@@ -26,12 +26,8 @@ function Element:set(name, func)
 end
 
 -- Menu callbacks
-function Element:focus(next) -- Called when Element gains focus
-	if next and self.parent then
-		self.parent:next()
-	else
-		self.parent:previous()
-	end
+function Element:focus() -- Called when Element gains focus
+	return false
 end 
 function Element:blur() end -- Called when Element loses focus
 
diff --git a/header.lua b/header.lua
index d538ab3..d67e582 100644
--- a/header.lua
+++ b/header.lua
@@ -29,12 +29,8 @@ function Header:getBounce(f)
 	return math.sin(self.bounce*f*math.pi)
 end
 function Header:getPosition() return self.x,self.y end -- gives x,y of Element
-function Header:focus(next)
-	if next and self.parent then
-		self.parent:next()
-	else
-		self.parent:previous()
-	end
+function Header:focus()
+	return false
 end
 function Header:blur() end -- Called when Element loses focus
 
diff --git a/menu.lua b/menu.lua
index 3ef477d..95e764b 100644
--- a/menu.lua
+++ b/menu.lua
@@ -34,7 +34,9 @@ end
 function Menu:next()
 	self.elements[self.active]:blur()
 	self.active = (self.active%#self.elements)+1
-	self.elements[self.active]:focus(true)
+	if not self.elements[self.active]:focus() then
+		self:next()
+	end
 end
 function Menu:previous()
 	self.elements[self.active]:blur()
@@ -43,7 +45,9 @@ function Menu:previous()
 	else
 		self.active = self.active - 1
 	end
-	self.elements[self.active]:focus()
+	if not self.elements[self.active]:focus() then
+		self:previous()
+	end
 end
 
 -- LÖVE2D callbacks
-- 
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