LÖVE

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-- loadscreen() runs in update loop
--there's also for loops in the draw function to draw the buttons on screen

function loadscreen()
	--int or clear window or button arrays
	window = {}
	windowfunc = {}
	
	button = {}
	buttonfunc = {}
		
		--Empty button
		button.empty = function() end
		
		--button.name = { " Name ", x, y, ">SelectName<" }
		--button.namefunc = function
		button.start = { " Start ", 10, 10, ">Start<" }
		button.startfunc = function()
			triangle(10)
		end
		
		button.reset = { " Reset ", 10, 20, ">Reset<" }
		button.resetfunc = function()
			reload( false )
		end
		
		button.num = { number, 10, 30, ">"..number.."<" }
		
		button.image = { " Image ", 10, 40, ">Image<" }
		button.imagefunc = function()
			if imagetoggle then
				imagetoggle = false
			else
				imagetoggle = true
			end	
		end
		
		--insert buttons into button array
		--Make sure that indexs of button.name and button.namefunc match
		table.insert( button, button.start )
		table.insert( button, button.reset )
		table.insert( button, button.num )
		table.insert( button, button.image )
		
		--insert button functions into buttonfunc array
		table.insert( buttonfunc, button.startfunc )
		table.insert( buttonfunc, button.resetfunc )
		table.insert( buttonfunc, button.empty )
		table.insert( buttonfunc, button.imagefunc )
		
		--put buttons into their window
		table.insert( window, button )
		table.insert( windowfunc, buttonfunc )
		
	button = {}
	buttonfunc = {}
	
		button.load = { " Load ", 80, 10, ">Load<" }
		button.loadfunc = function()
			load()
		end
		
		button.add = { " Add ", 80, 20, ">Add<" }
		button.addfunc = function()
			if number < 99 then
				number = number + 1
			elseif number == 99 then
				number = 1
			end
		end
		
		button.sub	= { " Sub ", 80, 30, ">Sub<" }
		button.subfunc = function()
			if number > 1 then
				number = number - 1
			elseif number == 1 then
				number = 99
			end
		end
		
		table.insert( button, button.load )
		table.insert( button, button.add)
		table.insert( button, button.sub)
		
		table.insert( buttonfunc, button.loadfunc )
		table.insert( buttonfunc, button.addfunc)
		table.insert( buttonfunc, button.subfunc)
		
		table.insert( window, button )
		table.insert( windowfunc, buttonfunc )
end

function love.keypressed( k )

	--other keys to navigate in the windows/buttons
	
	if k == "space"  then
		--calls function in windowfunc[cursor.window] buttonfunc[cursor.pos]
	end
	
end

Code: Select all

    local buttons = windowfunc[cursorwin]
    local buttonfunc = buttons[cursorpos]
    buttonfunc()

    -- or the equivalent brief version
    windowfunc[cursorwin][cursorpos]()