Struct TreeRow 

pub struct TreeRow<'a> {
    pub guides: &'a [bool],
    pub is_last: bool,
    pub expandable: bool,
    pub expanded: bool,
    pub root: bool,
    pub glyph: Option<&'a str>,
    pub label: &'a str,
    pub selected: bool,
    pub highlighted: bool,
    pub draggable: bool,
    pub tint: Option<Color32>,
}

The spec for one tree row. Borrows its strings; holds no state (expansion is the caller’s — see the module docs).

Fields

guides: &'a [bool]

Ancestor vertical-guide flags, one per level strictly above this node (true = a sibling line passes through this row at that level). The node’s own connector column index is guides.len().

is_last: bool

This node is the LAST among its siblings (└ vs ├). Ignored when root.

expandable: bool

Draw a [+]/[-] collapse box (an expandable node) instead of an empty box slot (a leaf). A leaf keeps the same label indent so labels align.

expanded: bool

Current expand state — only meaningful when expandable.

root: bool

The far-left ROOT row (e.g. Features): no connector, box at column 0.

glyph: Option<&'a str>

An optional per-type glyph drawn between the box slot and the label.

label: &'a str

The row’s text label.

selected: bool

Emphasize the label (the selected node).

highlighted: bool

Paint the selection band behind the whole row — the selected LINE. Self::selected sets it with the emphasis; a column tree, which paints its own band across every column, draws its tree cell without it.

draggable: bool

Make the label a drag handle (Sense::click_and_drag) — drag-reorder.

tint: Option<Color32>

Override the label’s text color (the sketch panel paints a CONFLICTING constraint’s row red). None keeps the theme’s text color, including its hover/selection behavior.

Implementations

impl<'a> TreeRow<'a>

pub fn branch( guides: &'a [bool], is_last: bool, expanded: bool, label: &'a str, ) -> Self

A plain expandable branch node.

pub fn leaf(guides: &'a [bool], is_last: bool, label: &'a str) -> Self

A plain leaf node (no collapse box).

pub fn glyph(self, glyph: Option<&'a str>) -> Self

pub fn selected(self, selected: bool) -> Self

Mark the row selected: its label emphasized and its line highlighted.

pub fn draggable(self, draggable: bool) -> Self

pub fn tint(self, tint: Option<Color32>) -> Self