CCGUI button

--[[

    ComputerCraft GUI
    Button element

--]]

ccgui = ccgui or {}

local Button = common.newClass({
    -- Style
    foreground = colours.grey,
    background = colours.lightGrey,
    border = ccgui.newBorder(0),
    padding = ccgui.newMargins(1)
}, ccgui.TextElement)
ccgui.Button = Button

function Button:init()
    ccgui.TextElement.init(self)

    self:on("mouse_click", self.buttonClick, self)
end

function Button:buttonClick(button, x, y)
    if button == 1 then
        -- Left mouse button, trigger pressed
        if self.isVisible and self:contains(x, y) then
            self:trigger("buttonpress")
        end
    end
end