Struct PersistentHeaderShowOnScreenConfiguration 

pub struct PersistentHeaderShowOnScreenConfiguration {
    pub min_show_on_screen_extent: f64,
    pub max_show_on_screen_extent: f64,
}

Specifies how a pinned header or a floating header should react to crate::RenderObject::show_on_screen calls.

Fields

min_show_on_screen_extent: f64

The smallest the floating header can expand to in the main axis direction, in response to a crate::RenderObject::show_on_screen call, in addition to its RenderSliverPersistentHeader::min_extent.

When a floating persistent header is told to show a Rect on screen, it may expand itself to accommodate the rect. The minimum extent that is allowed for such expansion is either the header’s min_extent or this value, whichever is larger.

Defaults to negative infinity, and must be less than or equal to max_show_on_screen_extent. Has no effect unless the persistent header is a floating header.

max_show_on_screen_extent: f64

The biggest the floating header can expand to in the main axis direction, in response to a crate::RenderObject::show_on_screen call, in addition to its RenderSliverPersistentHeader::max_extent.

Defaults to infinity, and must be greater than or equal to min_show_on_screen_extent. Has no effect unless the persistent header is a floating header.

Implementations

impl PersistentHeaderShowOnScreenConfiguration

pub const fn new() -> PersistentHeaderShowOnScreenConfiguration

Creates an object that specifies how a pinned or floating persistent header should behave in response to crate::RenderObject::show_on_screen calls.

pub fn min_show_on_screen_extent( self, value: f64, ) -> PersistentHeaderShowOnScreenConfiguration

Sets min_show_on_screen_extent.

pub fn max_show_on_screen_extent( self, value: f64, ) -> PersistentHeaderShowOnScreenConfiguration

Sets max_show_on_screen_extent.

Trait Implementations

impl Clone for PersistentHeaderShowOnScreenConfiguration

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 PersistentHeaderShowOnScreenConfiguration

impl Debug for PersistentHeaderShowOnScreenConfiguration

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

Formats the value using the given formatter.

impl Default for PersistentHeaderShowOnScreenConfiguration

fn default() -> PersistentHeaderShowOnScreenConfiguration

Returns the “default value” for a type.

impl PartialEq for PersistentHeaderShowOnScreenConfiguration

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for PersistentHeaderShowOnScreenConfiguration