Enum DataGroup 

pub enum DataGroup {
    Orders,
    Trades,
    Positions,
    Funds,
}

下带四组（对应 Python mainwindow.py:253-254 right_splitter 里的四个 widget）。

Variants

Orders

左上：委托 / 未成交两 tab。

Trades

右上：成交。

Positions

左下：持仓。

Funds

右下：资金 / 日志两 tab。

Implementations

impl DataGroup

pub const ALL: [DataGroup; 4]

固定顺序 = 默认 2×2 的读序（左上 → 右上 → 左下 → 右下）。

pub fn title(&self) -> &'static str

tab 标题 = Python 四块的表题语义（BD-UI-31「表题文字撤除,带位即身份」仍然成立： 标题只出现在 tab 上，格内不再重复大字表题）。

Trait Implementations

impl Clone for DataGroup

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for DataGroup

impl Debug for DataGroup

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for DataGroup

impl Hash for DataGroup

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for DataGroup

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for DataGroup