function p.on_start(wid)
    local min_y = 0.30
    local max_y = 0.60
    local char_w = 0.03
    local char_h = 0.06
    local col = {x=0.0, y=0.5, z=0.5}
    local options = {}
    options = {
        "MARKERS",
        "USE KEY" }
    ga_win_widget_small_list_start(
        wid, min_y, max_y, char_w, char_h,
        col, options)
end

function p.on_end(wid)
    --Nothing to do.
end

function p.render(wid)
    ga_win_set_background(wid, std.vec(0.0, 0.0, 0.0), 0.95)

    ga_win_set_char_size(wid, 0.03, 0.06)
    ga_win_txt_center(wid, 0.85, "GAME")

    ga_win_set_char_size(wid, 0.02, 0.04)
    ga_win_txt_center(wid, 0.06, "Go Back (ESC)")
end

function p.process_input(wid)
    local sel = ga_win_widget_small_list_process_input(wid)
    local sel_str = ga_win_widget_small_list_get_entry(wid, sel)
    if( sel_str == "MARKERS" ) then
        ga_main_menu_push("win_main_menu_markers")
        return
    end
    if( sel_str == "USE KEY" ) then
        ga_main_menu_push("win_main_menu_use_key")
        return
    end

    if ga_win_key_pressed(wid, "ESC") then
        ga_play_sound("menu_back")
        ga_main_menu_pop()
        return
    end
end
