Merge pull request #16 from nthirtyone/menuv1.0-pre.4

Menu

1 files changed, 78 insertions, 0 deletions

diff --git a/button.lua b/button.lua
new file mode 100644
index 0000000..c5681b2
--- /dev/null
+++ b/button.lua
@@ -0,0 +1,78 @@
+-- `Button`
+-- Button used in `Menu`
+
+Button = {
+	text = "",
+	focused = false,
+	x = 0,
+	y = 0,
+	sprite,
+	quads,
+	delay = 2,
+	parent,
+}
+
+function Button:new(parent)
+	local o = {}
+	setmetatable(o, self)
+	self.__index = self
+	o.parent = parent
+	o.sprite, o.quads = parent:getSheet()
+	return o
+end
+function Button:setText(text)
+	self.text = text or ""
+	return self
+end
+function Button:setPosition(x, y)
+	self.x = x or 0
+	self.y = y or 0
+	return self
+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
+end
+function Button:active() end
+function Button:isEnabled() return true end
+function Button:set(name, func)
+	if type(name) == "string" and type(func) == "function" then
+		self[name] = func
+	end
+	return self
+end
+function Button:draw(scale)
+	local x,y = self:getPosition()
+	local quad = self.quads
+	local sprite = self.sprite
+	if self:isEnabled() then
+		love.graphics.setColor(255, 255, 255, 255)
+	else
+		love.graphics.setColor(140, 140, 140, 255)
+	end
+	love.graphics.draw(sprite, quad.button.normal, x*scale, y*scale, 0, scale, scale)
+	if self.focused then
+		love.graphics.draw(sprite, quad.arrow_l, (x+54+math.floor(self.delay))*scale, (y+5)*scale, 0, scale, scale)
+		love.graphics.draw(sprite, quad.arrow_r, (x-2-math.floor(self.delay))*scale, (y+5)*scale, 0, scale, scale)
+	end
+	love.graphics.setFont(Font)
+	love.graphics.printf(self.text, (x+2)*scale, (y+4)*scale, 54, "center", 0, scale, scale)
+end
+function Button:update(dt)
+	self.delay = self.delay + dt
+	if self.delay > Button.delay then -- Button.delay is initial
+		self.delay = self.delay - Button.delay
+	end
+end
+function Button:controlpressed(set, action, key)
+	if action == "attack" and self.focused and self:isEnabled() then
+		self:active()
+	end
+end
+function Button:controlreleased(set, action, key) end
+
+return Button
\ No newline at end of file