Make a simple BUTTON module

libs/simple-button.lua

@@ -0,0 +1,51 @@
+local defaultFont = love.graphics.newFont(20)
+local function defaultDrawingTextFunc(name, x, y, w, h)
+    love.graphics.setFont(defaultFont)
+    love.graphics.printf(name, x, y, w, "center")
+end
+
+local button = {}; button.__index = button
+function button:draw()
+    love.graphics.setColor(1,1,1)
+    love.graphics.setLineWidth(self.lineWidth)
+    love.graphics.rectangle('line', self.x, self.y, self.w, self.h)
+    self.drawingTextFunc(self.name, self.x, self.y, self.w, self.h)
+end
+
+
+local BUTTON = {}
+
+---@param name string @ Name of the button, will be shown
+---@param x number
+---@param y number
+---@param w number
+---@param h number
+---@param drawingTextFunc? function
+---@param lineWidth? number|1 @ Line width will be used to draw button
+function BUTTON.new(name, x, y, w, h, lineWidth, drawingTextFunc)
+    assert(type(name) == "string", "[name] is missing or not valid")
+    assert(type(x) == "number" and x > 0, "[x] must be a positive integer")
+    assert(type(y) == "number" and y > 0, "[y] must be a positive integer")
+    assert(type(w) == "number" and w > 0, "[w] must be a positive integer")
+    assert(type(h) == "number" and h > 0, "[h] must be a positive integer")
+    assert(type(drawingTextFunc) == "function" or type(drawingTextFunc) == "nil", "[drawingTextFunc] must be a function or nil")
+    assert((type(lineWidth) == "number" and lineWidth > 0) or type(drawingTextFunc) == "nil", "[lineWidth] must be a postive integer")
+
+    return setmetatable({
+        name = name,
+        x = x,
+        y = y,
+        w = w,
+        h = h,
+        drawingTextFunc = drawingTextFunc or defaultDrawingTextFunc,
+        lineWidth = lineWidth or 1
+    }, button)
+end
+
+--- Set the default funciton used to drawing text, will be passed name, x, y, w and h
+function BUTTON.setDefaultDrawingTextFunction(f)
+    assert(type(f) == "function", "[f] must be a function!")
+    defaultDrawingTextFunc = f
+end
+
+return BUTTON