Struct OverlayConstraints 

pub struct OverlayConstraints {
    pub min_width: u16,
    pub max_height: u16,
    pub margin: u16,
    pub offset_x: i16,
    pub offset_y: i16,
    pub visible: Option<fn(u16, u16) -> bool>,
}

Constraints applied when computing an overlay’s final position.

Fields

min_width: u16

Minimum width in columns.

max_height: u16

Maximum height in rows.

margin: u16

Margin from screen edges when using an anchor.

offset_x: i16

Horizontal offset applied after computing the anchor position.

offset_y: i16

Vertical offset applied after computing the anchor position.

visible: Option<fn(u16, u16) -> bool>

Optional visibility predicate: (cols, rows) -> bool.

Trait Implementations

impl Clone for OverlayConstraints

fn clone(&self) -> OverlayConstraints

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OverlayConstraints

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

Formats the value using the given formatter.