Enum Placement 

#[non_exhaustive]
pub enum Placement {
    Below,
    Above,
    Right,
    AboveCenter,
    RightCenter,
    LeftCenter,
    RightEnd,
    LeftStart,
    LeftEnd,
    Fill,
    At(Point),
    BottomRight,
    BottomLeft,
    BottomCenter,
    TopLeft,
    TopCenter,
    TopRight,
}

Where an overlay is placed relative to its anchor.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Below

Below the anchor, left edges aligned.

Above

Above the anchor, left edges aligned.

Right

To the right of the anchor, top edges aligned; to its left when only that fits.

AboveCenter

Centered above the anchor (tooltips).

RightCenter

To the right of the anchor, centers aligned (tooltips beside a rail).

LeftCenter

To the left of the anchor, centers aligned (tooltips beside a rail).

RightEnd

To the right of the anchor, bottom edges aligned.

LeftStart

To the left of the anchor, top edges aligned.

LeftEnd

To the left of the anchor, bottom edges aligned.

Fill

Covers the whole viewport (dialogs, sheets); the anchor is ignored.

At(Point)

At a point in the viewport (context menus); the anchor is ignored.

BottomRight

The bottom-right corner of the viewport (toasts).

BottomLeft

The bottom-left corner of the viewport; the anchor is ignored.

BottomCenter

The middle of the bottom edge of the viewport; the anchor is ignored.

TopLeft

The top-left corner of the viewport; the anchor is ignored.

TopCenter

The middle of the top edge of the viewport; the anchor is ignored.

TopRight

The top-right corner of the viewport; the anchor is ignored.

Trait Implementations

impl Clone for Placement

fn clone(&self) -> Placement

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Placement

impl Debug for Placement

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

Formats the value using the given formatter.

impl PartialEq for Placement

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Placement