fwGui

class fwGuiText
{
    content: string;

    font: string;
}

class fwGuiMenuItem
{
    text: fwGuiText;

    isFocused: boolean;

    onHover(): void { };
    onFocus(): void { };
}

class fwGuiButton extends fwGuiMenuItem
{
    onSelect(): void { }; // Enter or Mouse
}

class fwGuiDropdown extends fwGuiButton
{

}

class fwGuiMenu
{
    text: fwGuiText;

    isActive: boolean;

    items: fwGuiMenuItem[];

    focusedItem: fwGuiMenuItem;

    onOpen(): void { };
    onClose(): void { };
}

enum fwGuiWindowConfigFlags
{
    NavEnableKeyboard = 1 << 0,
    NavEnableGamepad = 1 << 1,
}

class fwGuiWindow
{
    isOpen: boolean;

    configFlags: fwGuiWindowConfigFlags = 0;

    menus: fwGuiMenu[];

    activeMenu: fwGuiMenu;
}