Struct PaneDescriptor 

pub struct PaneDescriptor {
    pub initial_size: Option<f32>,
    pub min_size: f32,
    pub max_size: Option<f32>,
    pub stretch: f32,
    pub collapsible: bool,
    pub collapsed: bool,
    pub collapsed_size: f32,
    pub visible: bool,
}

Per-pane configuration passed to SplitterModel::from_panes / SplitterModel::insert_pane. Public fields + Default so it can be built with struct-literal ..Default::default() syntax, or via the fluent setters.

Fields

initial_size: Option<f32>

Initial main-axis size in px. None ⇒ take an equal share (the first layout equalizes via the stretch path).

min_size: f32

Hard compression floor in px.

max_size: Option<f32>

Optional growth ceiling in px.

stretch: f32

Container-resize slack weight (Qt setStretchFactor). 0.0 ⇒ rigid (keeps its size on resize); >0 ⇒ absorbs slack ∝ weight.

collapsible: bool

Whether the user may collapse this pane (drag-snap / double-click / keyboard). Programmatic set_collapsed ignores this flag (it governs interactive collapse only, like Qt’s childrenCollapsible).

collapsed: bool

Initial collapsed state.

collapsed_size: f32

The main-axis size a collapsed pane folds down to (default 0 ⇒ fully gone). Set this to keep a sliver visible while collapsed — e.g. an accordion’s header height, so the pane shrinks to just its header and can be re-expanded from there. The pane restores to its prior size on expand regardless.

visible: bool

Whether the pane is present at all. Unlike collapsed (which folds the pane but keeps its grabbable gutter), a hidden pane removes both the pane and an adjacent gutter from the layout — it reads as absent. Toggled reactively via set_pane_visible.

Implementations

impl PaneDescriptor

pub fn new() -> Self

pub fn size(self, size: f32) -> Self

pub fn min_size(self, min: f32) -> Self

pub fn max_size(self, max: f32) -> Self

pub fn stretch(self, stretch: f32) -> Self

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

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

pub fn collapsed_size(self, px: f32) -> Self

Size a collapsed pane folds down to (default 0). See collapsed_size.

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

Trait Implementations

impl Clone for PaneDescriptor

fn clone(&self) -> PaneDescriptor

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PaneDescriptor

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

Formats the value using the given formatter.

impl Default for PaneDescriptor

fn default() -> Self

Returns the “default value” for a type.