Struct gdk4::ScrollEvent

#[repr(transparent)]
pub struct ScrollEvent { /* private fields */ }

Implementations

impl ScrollEvent

pub fn deltas(&self) -> (f64, f64)

pub fn direction(&self) -> ScrollDirection

pub fn unit(&self) -> ScrollUnit

Available on crate feature v4_8 only.

pub fn is_stop(&self) -> bool

impl ScrollEvent

pub fn upcast(self) -> Event

pub fn upcast_ref(&self) -> &Event

Methods from Deref<Target = Event>

pub const NONE: Option<&'static Event> = None

pub fn axes(&self) -> Option<Vec<f64>>

pub fn axis(&self, axis_use: AxisUse) -> Option<f64>

pub fn device(&self) -> Option<Device>

pub fn device_tool(&self) -> Option<DeviceTool>

pub fn display(&self) -> Option<Display>

pub fn event_sequence(&self) -> EventSequence

pub fn event_type(&self) -> EventType

pub fn history(&self) -> Vec<TimeCoord>

pub fn modifier_state(&self) -> ModifierType

pub fn is_pointer_emulated(&self) -> bool

pub fn position(&self) -> Option<(f64, f64)>

pub fn seat(&self) -> Option<Seat>

pub fn surface(&self) -> Option<Surface>

pub fn time(&self) -> u32

pub fn triggers_context_menu(&self) -> bool

pub fn is<T: EventKind>(&self) -> bool

pub fn type_(&self) -> Type

pub fn downcast_ref<T: EventKind>(&self) -> Option<&T>

pub fn angle(&self, event: impl AsRef<Event>) -> Option<f64>

pub fn center(&self, event: impl AsRef<Event>) -> Option<(f64, f64)>

pub fn distance(&self, event: impl AsRef<Event>) -> Option<f64>

Trait Implementations

impl AsRef<Event> for ScrollEvent

fn as_ref(&self) -> &Event

Converts this type into a shared reference of the (usually inferred) input type.

impl Clone for ScrollEvent

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ScrollEvent

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

Formats the value using the given formatter.

impl Deref for ScrollEvent

type Target = Event

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl Display for ScrollEvent

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

Formats the value using the given formatter.

impl EventKind for ScrollEvent

fn event_types() -> &'static [EventType]

impl StaticType for ScrollEvent

fn static_type() -> Type

Returns the type identifier of Self.