on.mouse_press = function(x,y, mouse_button)
	if mouse_press_consumed_by_any_button(Buttons, x,y, mouse_button) then
		return
	end
	if x >= X and x < X+Square_side and y >= Y and y < Y+Square_side then
		Cursor = {1, 1}
	elseif x >= X+Square_side and x < X+Square_side*2 and y >= Y and y < Y+Square_side then
		Cursor = {2, 1}
	elseif x >= X and x < X+Square_side and y >= Y+Square_side and y < Y+Square_side*2 then
		Cursor = {1, 2}
	elseif x >= X+Square_side and x < X+Square_side*2 and y >= Y+Square_side and y < Y+Square_side*2 then
		Cursor = {2, 2}
	else
		Cursor = {0, 0}  -- invalid
	end
	if Cursor[1] ~=0 then
		-- ensure keyboard is out in mobile devices
		love.keyboard.setTextInput(true)
	end
end