Kaba class Panel ed

class Panel extends Control

    # constructors
    func mut __init__(id: string)

    # functions
    func mut activate(id: string)
    func mut virtual add_child(c: shared![Control], x: i32, y: i32)
    func mut add_control(type: string, title: string, x: i32, y: i32, id: string)
    func mut add_string(id: string, s: string)
    func mut check(id: string, checked: bool)
    func mut embed(target: string, x: i32, y: i32, panel: shared[Panel])
    func mut enable(id: string, enabled: bool)
    func mut event(id: string, f: void->void) -> i32
    func mut event_x(id: string, msg: string, f: Painter->void) -> i32
    func mut event_x(id: string, msg: string, f: void->void) -> i32
    func mut from_source(source: string)
    func virtual get_children(f: i32) -> Control&[]
    func get_color(id: string) -> Color
    func virtual get_content_min_size() -> vec2
    func selfref get_control(id: string) -> Control*
    func get_float(id: string) -> f32
    func virtual get_greed_factor() -> vec2
    func get_int(id: string) -> i32
    func get_string(id: string) -> string
    func is_checked(id: string) -> bool
    func mut virtual negotiate_area(available: Rect)
    func mut open_dialog(dlg: shared![Dialog]) -> future[void]
    func mut remove_event_handler(uid: i32)
    func mut reset(id: string)
    func mut set_color(id: string, c: Color)
    func mut set_float(id: string, f: f32)
    func mut set_int(id: string, i: i32)
    func mut virtual set_option(key: string, value: string)
    func mut set_options(id: string, options: string)
    func mut set_string(id: string, s: string)
    func mut unembed(panel: Panel*)