Enum Toggle Buttons Attribute

[Title("Default")]
public SomeBitmaskEnum DefaultEnumBitmask;

[Title("Standard Enum")]
[EnumToggleButtons]
public SomeEnum SomeEnumField;

[EnumToggleButtons, HideLabel]
public SomeEnum WideEnumField;

[Title("Bitmask Enum")]
[EnumToggleButtons]
public SomeBitmaskEnum BitmaskEnumField;

[EnumToggleButtons, HideLabel]
public SomeBitmaskEnum EnumFieldWide;

public enum SomeEnum
{
    First, Second, Third, Fourth, AndSoOn
}

[System.Flags]
public enum SomeBitmaskEnum
{
    A = 1 << 1,
    B = 1 << 2,
    C = 1 << 3,
    All = A | B | C
}