bonsai/button.lua at master · abregado/bonsai · GitHub

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-- menu button to be added to button lists and stacked vertically

lg = love.graphics
lm = love.mouse


local button = {}

button.font = lg.newFont(30)

local colors = {}
colors.ready = {100,100,100}
colors.clicked = {185,0,0}
colors.hover = {255,255,255}
colors.bg = {20,20,20}
colors.font = {200,200,200}
colors.inactive = {20,20,20}


function button.new(win,xin,yin)
	local o = {}
	o.x = xin or 0
	o.y = yin or 0
	o.w = win
	o.qbase = lg.newQuad(0,0,320,32,320,96)
	o.qhover = lg.newQuad(0,32,320,32,320,96)
	o.qclick = lg.newQuad(0,64,320,32,320,96)
    o.label = "Unlabeled Button"
    o.icon = nil
    o.active = false
    o.visible = true

    o.colors={}
    o.colors.ready = colors.ready
    o.colors.clicked = colors.clicked
    o.colors.hover = colors.hover
    o.colors.bg = colors.bg
    o.colors.font = colors.font
    o.colors.inactive = colors.inactive

	o.click = button.click
	o.draw = button.draw
	o.check = button.check

	return o
end

function button:click()
	return true
end

function button:draw(x,y)
    if self.visible then
        if x then self.x = x end
        if y then self.y = y end
        local label = self.label
        lg.setColor(self.colors.bg)
        --lg.rectangle("fill",self.x,self.y,self.w,self.h)
        lg.circle("fill",self.x,self.y,self.w,40)
        lg.setColor(0,0,0)
        lg.circle("line",self.x,self.y,self.w,40)
        lg.circle("fill",self.x,self.y,self.w-10,40)
        local osString = love.system.getOS()
        if self.active then
            if self:check() and osString ~= "Android" then
                if lm.isDown("l") then
                lg.setColor(self.colors.clicked)
                else
                lg.setColor(self.colors.hover)
                end
            else
                lg.setColor(self.colors.ready)
            end
            else
            lg.setColor(self.colors.inactive)
        end
        --lg.rectangle("fill",self.x+5,self.y+5,self.w-10,self.h-10)
        if self.icon then
            local iconScale = self.w/self.icon:getWidth()*1.25
            local iconOffset = self.icon:getWidth()*iconScale*0.5
            lg.draw(self.icon,self.x-iconOffset,self.y-iconOffset,0,iconScale,iconScale)
        end
        lg.setColor(0,0,0,125)
        lg.setLineWidth(2)
        --lg.rectangle("line",self.x+5,self.y+5,self.w-10,self.h-10)
        lg.circle("line",self.x,self.y,self.w-10,40)

        if self:check() and self.active then
            lg.setLineWidth(1)
            lg.setColor(self.colors.font)
            local font = button.font
            lg.setFont(font)
            local tw = font:getWidth(label)
            local th = font:getHeight(label)
            --lg.print(label,self.x-(tw/2),self.y-(th/2))
        end

        lg.setFont(fontD)
        if self.extraCode then
            self:extraCode()
        end
    end
end

function button:check()
	local mx,my = lm.getPosition()
    local dist = vl.dist(mx,my,self.x,self.y)
    if dist <= self.w then
        return true
    else
        return false
    end
end

return button