Enum ScrollBarMessage 

pub enum ScrollBarMessage {
    Value(f32),
    MinValue(f32),
    MaxValue(f32),
    SizeRatio(f32),
}

A set of messages that can be accepted by ScrollBar widget.

Variants

Value(f32)

Used to indicate that the value of the scroll bar has changed (crate::message::MessageDirection::FromWidget) or to set a new value (with crate::message::MessageDirection::ToWidget.

MinValue(f32)

Used to indicate that the min value of the scroll bar has changed (crate::message::MessageDirection::FromWidget) or to set a new min value (with crate::message::MessageDirection::ToWidget.

MaxValue(f32)

Used to indicate that the max value of the scroll bar has changed (crate::message::MessageDirection::FromWidget) or to set a new max value (with crate::message::MessageDirection::ToWidget.

SizeRatio(f32)

Used to set the size of the indicator(thumb) adaptively, according to the relative sizes of the container and the content in it (with crate::message::MessageDirection::ToWidget.

Trait Implementations

impl Clone for ScrollBarMessage

fn clone(&self) -> ScrollBarMessage

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ScrollBarMessage

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

Formats the value using the given formatter.

impl MessageData for ScrollBarMessage

fn need_perform_layout(&self) -> bool

Returns true when the message starts a new layout pass before being passed to its destination.

impl PartialEq for ScrollBarMessage

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for ScrollBarMessage