Struct runa_wayland_protocols::wayland::wl_pointer::v9::events::AxisDiscrete

pub struct AxisDiscrete {
    pub axis: Axis,
    pub discrete: i32,
}

axis click event

Discrete step information for scroll and other axes.

This event carries the axis value of the wl_pointer.axis event in discrete steps (e.g. mouse wheel clicks).

This event is deprecated with wl_pointer version 8 - this event is not sent to clients supporting version 8 or later.

This event does not occur on its own, it is coupled with a wl_pointer.axis event that represents this axis value on a continuous scale. The protocol guarantees that each axis_discrete event is always followed by exactly one axis event with the same axis number within the same wl_pointer.frame. Note that the protocol allows for other events to occur between the axis_discrete and its coupled axis event, including other axis_discrete or axis events. A wl_pointer.frame must not contain more than one axis_discrete event per axis type.

This event is optional; continuous scrolling devices like two-finger scrolling on touchpads do not have discrete steps and do not generate this event.

The discrete value carries the directional information. e.g. a value of -2 is two steps towards the negative direction of this axis.

The axis number is identical to the axis number in the associated axis event.

The order of wl_pointer.axis_discrete and wl_pointer.axis_source is not guaranteed.

Fields

axis: Axis

discrete: i32

Implementations

impl AxisDiscrete

pub const OPCODE: u16 = 8u16

Trait Implementations

impl Clone for AxisDiscrete

fn clone(&self) -> AxisDiscrete

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for AxisDiscrete

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

Formats the value using the given formatter.

impl<'a> Deserialize<'a> for AxisDiscrete

fn deserialize(data: &'a [u8], fds: &'a [RawFd]) -> Result<Self, Error>

Deserialize from the given buffer. Returns deserialized message, and number of bytes and file descriptors consumed, respectively.

impl PartialEq<AxisDiscrete> for AxisDiscrete

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

This method tests for self and other values to be equal, and is used by ==.

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

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

impl Serialize for AxisDiscrete

fn serialize<Fds: Extend<OwnedFd>>(self, buf: &mut BytesMut, fds: &mut Fds)

Serialize into the buffered writer. This function returns no errors, failures in seializing are generally program errors, and triggers panicking.

fn len(&self) -> u16

How many bytes will this message serialize to. Including the 8 byte header.

fn nfds(&self) -> u8

How many file descriptors will this message serialize to.

impl Copy for AxisDiscrete

impl Eq for AxisDiscrete

impl StructuralEq for AxisDiscrete

impl StructuralPartialEq for AxisDiscrete