1 files changed, 76 insertions, 0 deletions
diff --git a/not/Button.lua b/not/Button.lua
new file mode 100644
index 0000000..91aca45
--- /dev/null
+++ b/not/Button.lua
@@ -0,0 +1,76 @@
+--- `Button`
+-- Menu element that can be activated by user.
+Button = {
+	parent = --[[not.Menu]]nil,
+	x = 0,
+	y = 0,
+	text = "",
+	focused = false,
+	sprite,
+	quads,
+	delay = 2,
+	parent,
+}
+
+-- `Button` is a child of `Element`.
+require "not.Element"
+Button.__index = Button
+setmetatable(Button, Element)
+
+function Button:new (parent)
+	local o = setmetatable({}, 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: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: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
+
+return Button