Struct LibinputInputBackend 

pub struct LibinputInputBackend { /* private fields */ }

Available on crate feature backend_libinput only.

Libinput based InputBackend.

Tracks input of all devices given manually or via a udev seat to a provided libinput context.

Implementations

impl LibinputInputBackend

pub fn new(context: Libinput) -> Self

Initialize a new LibinputInputBackend from a given already initialized libinput context.

pub fn context(&self) -> &Libinput

Returns a reference to the underlying libinput context

Trait Implementations

impl<E> AbsolutePositionEvent<LibinputInputBackend> for E

where E: IsTabletEvent + EventTrait,

fn x(&self) -> f64

Device x position in it’s original coordinate space.

fn y(&self) -> f64

Device y position in it’s original coordinate space.

fn x_transformed(&self, width: i32) -> f64

Device x position converted to the targets coordinate space’s width. E.g. the focused output’s width.

fn y_transformed(&self, height: i32) -> f64

Device y position converted to the targets coordinate space’s height. E.g. the focused output’s height.

fn position(&self) -> Point<f64, Raw>

Device position in it’s original coordinate space.

fn position_transformed( &self, coordinate_space: Size<i32, Logical>, ) -> Point<f64, Logical>

Device position converted to the targets coordinate space. E.g. the focused output’s resolution.

impl AbsolutePositionEvent<LibinputInputBackend> for PointerMotionAbsoluteEvent

fn x(&self) -> f64

Device x position in it’s original coordinate space.

fn y(&self) -> f64

Device y position in it’s original coordinate space.

fn x_transformed(&self, width: i32) -> f64

Device x position converted to the targets coordinate space’s width. E.g. the focused output’s width.

fn y_transformed(&self, height: i32) -> f64

Device y position converted to the targets coordinate space’s height. E.g. the focused output’s height.

fn position(&self) -> Point<f64, Raw>

Device position in it’s original coordinate space.

fn position_transformed( &self, coordinate_space: Size<i32, Logical>, ) -> Point<f64, Logical>

Device position converted to the targets coordinate space. E.g. the focused output’s resolution.

impl AbsolutePositionEvent<LibinputInputBackend> for TouchDownEvent

fn x(&self) -> f64

Device x position in it’s original coordinate space.

fn y(&self) -> f64

Device y position in it’s original coordinate space.

fn x_transformed(&self, width: i32) -> f64

Device x position converted to the targets coordinate space’s width. E.g. the focused output’s width.

fn y_transformed(&self, height: i32) -> f64

Device y position converted to the targets coordinate space’s height. E.g. the focused output’s height.

fn position(&self) -> Point<f64, Raw>

Device position in it’s original coordinate space.

fn position_transformed( &self, coordinate_space: Size<i32, Logical>, ) -> Point<f64, Logical>

Device position converted to the targets coordinate space. E.g. the focused output’s resolution.

impl AbsolutePositionEvent<LibinputInputBackend> for TouchMotionEvent

fn x(&self) -> f64

Device x position in it’s original coordinate space.

fn y(&self) -> f64

Device y position in it’s original coordinate space.

fn x_transformed(&self, width: i32) -> f64

Device x position converted to the targets coordinate space’s width. E.g. the focused output’s width.

fn y_transformed(&self, height: i32) -> f64

Device y position converted to the targets coordinate space’s height. E.g. the focused output’s height.

fn position(&self) -> Point<f64, Raw>

Device position in it’s original coordinate space.

fn position_transformed( &self, coordinate_space: Size<i32, Logical>, ) -> Point<f64, Logical>

Device position converted to the targets coordinate space. E.g. the focused output’s resolution.

impl AsFd for LibinputInputBackend

fn as_fd(&self) -> BorrowedFd<'_>

Borrows the file descriptor.

impl Debug for LibinputInputBackend

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

Formats the value using the given formatter.

impl<E> Event<LibinputInputBackend> for E

where E: IsTabletEvent,

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for GestureHoldBeginEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for GestureHoldEndEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for GesturePinchBeginEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for GesturePinchEndEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for GesturePinchUpdateEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for GestureSwipeBeginEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for GestureSwipeEndEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for GestureSwipeUpdateEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for KeyboardKeyEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for PointerButtonEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for PointerMotionAbsoluteEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for PointerMotionEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for PointerScrollAxis

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for SwitchToggleEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> <LibinputInputBackend as InputBackend>::Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for TouchCancelEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for TouchDownEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for TouchFrameEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for TouchMotionEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl Event<LibinputInputBackend> for TouchUpEvent

fn time(&self) -> u64

Timestamp in microseconds, with an undefined base.

fn device(&self) -> Device

Returns the device, that generated this event

fn time_msec(&self) -> u32

Timestamp in milliseconds

impl EventSource for LibinputInputBackend

type Event = InputEvent<LibinputInputBackend>

The type of events generated by your source.

type Metadata = ()

Some metadata of your event source

type Ret = ()

The return type of the user callback

type Error = Error

The error type returned from process_events() (not the user callback!).

fn process_events<F>( &mut self, _: Readiness, token: Token, callback: F, ) -> Result<PostAction>

where F: FnMut(Self::Event, &mut ()) -> Self::Ret,

Process any relevant events

fn register( &mut self, poll: &mut Poll, factory: &mut TokenFactory, ) -> Result<()>

Register yourself to this poll instance

fn reregister( &mut self, poll: &mut Poll, factory: &mut TokenFactory, ) -> Result<()>

Re-register your file descriptors

fn unregister(&mut self, poll: &mut Poll) -> Result<()>

Unregister your file descriptors

const NEEDS_EXTRA_LIFECYCLE_EVENTS: bool = false

Whether this source needs to be sent the EventSource::before_sleep and EventSource::before_handle_events notifications. These are opt-in because they require more expensive checks, and almost all sources will not need these notifications

fn before_sleep(&mut self) -> Result<Option<(Readiness, Token)>, Error>

Notification that a single poll is about to begin

fn before_handle_events(&mut self, events: EventIterator<'_>)

Notification that polling is complete, and EventSource::process_events will be called with the given events for this source. The iterator may be empty, which indicates that no events were generated for this source

impl<T> GestureBeginEvent<LibinputInputBackend> for T

where T: GestureEventTrait + Event<LibinputInputBackend>,

fn fingers(&self) -> u32

Number of fingers.

impl<T> GestureEndEvent<LibinputInputBackend> for T

where T: GestureEndEvent + Event<LibinputInputBackend>,

fn cancelled(&self) -> bool

True if event was cancelled.

impl GesturePinchUpdateEvent<LibinputInputBackend> for GesturePinchUpdateEvent

fn delta_x(&self) -> f64

Delta of center on the x axis from last begin/update.

fn delta_y(&self) -> f64

Delta of center on the y axis from last begin/update.

fn scale(&self) -> f64

Absolute scale compared to begin event.

fn rotation(&self) -> f64

Relative angle in degrees from last begin/update.

fn delta(&self) -> Point<f64, Logical>

Delta between the last and new gesture center.

impl GestureSwipeUpdateEvent<LibinputInputBackend> for GestureSwipeUpdateEvent

fn delta_x(&self) -> f64

Delta of center on the x axis from last begin/update.

fn delta_y(&self) -> f64

Delta of center on the y axis from last begin/update.

fn delta(&self) -> Point<f64, Logical>

Delta between the last and new gesture center.

impl InputBackend for LibinputInputBackend

type Device = Device

Type representing input devices

type KeyboardKeyEvent = KeyboardKeyEvent

Type representing keyboard events

type PointerAxisEvent = PointerScrollAxis

Type representing axis events on pointer devices

type PointerButtonEvent = PointerButtonEvent

Type representing button events on pointer devices

type PointerMotionEvent = PointerMotionEvent

Type representing motion events of pointer devices

type PointerMotionAbsoluteEvent = PointerMotionAbsoluteEvent

Type representing motion events of pointer devices

type GestureSwipeBeginEvent = GestureSwipeBeginEvent

Type representing swipe begin events of pointer devices

type GestureSwipeUpdateEvent = GestureSwipeUpdateEvent

Type representing swipe update events of pointer devices

type GestureSwipeEndEvent = GestureSwipeEndEvent

Type representing swipe end events of pointer devices

type GesturePinchBeginEvent = GesturePinchBeginEvent

Type representing pinch begin events of pointer devices

type GesturePinchUpdateEvent = GesturePinchUpdateEvent

Type representing pinch update events of pointer devices

type GesturePinchEndEvent = GesturePinchEndEvent

Type representing pinch end events of pointer devices

type GestureHoldBeginEvent = GestureHoldBeginEvent

Type representing hold begin events of pointer devices

type GestureHoldEndEvent = GestureHoldEndEvent

Type representing hold end events of pointer devices

type TouchDownEvent = TouchDownEvent

Type representing touch events starting

type TouchUpEvent = TouchUpEvent

Type representing touch events ending

type TouchMotionEvent = TouchMotionEvent

Type representing touch events from moving

type TouchCancelEvent = TouchCancelEvent

Type representing canceling of touch events

type TouchFrameEvent = TouchFrameEvent

Type representing touch frame events

type TabletToolAxisEvent = TabletToolAxisEvent

Type representing axis events on tablet devices

type TabletToolProximityEvent = TabletToolProximityEvent

Type representing proximity events on tablet devices

type TabletToolTipEvent = TabletToolTipEvent

Type representing tip events on tablet devices

type TabletToolButtonEvent = TabletToolButtonEvent

Type representing button events on tablet tool devices

type SwitchToggleEvent = SwitchToggleEvent

Type representing switch toggle events

type SpecialEvent = UnusedEvent

Special events that are custom to this backend

impl KeyboardKeyEvent<LibinputInputBackend> for KeyboardKeyEvent

fn key_code(&self) -> Keycode

Returns the numerical button code of the keyboard button.

fn state(&self) -> KeyState

State of the key

fn count(&self) -> u32

Total number of keys pressed on all devices on the associated Seat

impl PointerAxisEvent<LibinputInputBackend> for PointerScrollAxis

fn amount(&self, axis: Axis) -> Option<f64>

Amount of scrolling in pixels on the given Axis.

fn amount_v120(&self, axis: Axis) -> Option<f64>

Amount of scrolling in discrete steps on the given Axis.

fn source(&self) -> AxisSource

Source of the scroll event.

fn relative_direction(&self, _axis: Axis) -> AxisRelativeDirection

Relative direction of physical motion.

impl PointerButtonEvent<LibinputInputBackend> for PointerButtonEvent

fn button_code(&self) -> u32

Returns the numerical button code of the mouse button.

fn state(&self) -> ButtonState

State of the button

fn button(&self) -> Option<MouseButton>

Pressed button of the event.

impl PointerMotionEvent<LibinputInputBackend> for PointerMotionEvent

fn delta_x(&self) -> f64

Delta on the x axis between the last and new pointer device position interpreted as pixel movement

fn delta_y(&self) -> f64

Delta on the y axis between the last and new pointer device position interpreted as pixel movement

fn delta_x_unaccel(&self) -> f64

Unaccelerated delta on the x axis between the last and new pointer device position

fn delta_y_unaccel(&self) -> f64

Unaccelerated delta on the y axis between the last and new pointer device position

fn delta(&self) -> Point<f64, Logical>

Delta between the last and new pointer device position interpreted as pixel movement

fn delta_unaccel(&self) -> Point<f64, Logical>

Unaccelerated delta between the last and new pointer device position

impl SwitchToggleEvent<LibinputInputBackend> for SwitchToggleEvent

fn switch(&self) -> Option<Switch>

Switch which triggered the event

fn state(&self) -> SwitchState

State of the switch

impl TabletToolButtonEvent<LibinputInputBackend> for TabletToolButtonEvent

fn button(&self) -> u32

Return the button that triggered this event.

fn seat_button_count(&self) -> u32

For the button of a TabletToolButtonEvent, return the total number of buttons pressed on all devices on the associated seat after the the event was triggered.

fn button_state(&self) -> ButtonState

Return the button state of the event.

impl<E> TabletToolEvent<LibinputInputBackend> for E

where E: IsTabletEvent + EventTrait,

fn tool(&self) -> TabletToolDescriptor

Get tablet tool that caused this event

fn delta_x(&self) -> f64

Delta on the x axis between the last and new pointer device position interpreted as pixel movement

fn delta_y(&self) -> f64

Delta on the y axis between the last and new pointer device position interpreted as pixel movement

fn distance(&self) -> f64

If this axis does not exist on the current tool, this function returns 0.

fn distance_has_changed(&self) -> bool

Check if the distance axis was updated in this event.

fn pressure(&self) -> f64

Returns the current pressure being applied on the tool in use, normalized to the range [0, 1].

fn pressure_has_changed(&self) -> bool

Check if the pressure axis was updated in this event.

fn slider_position(&self) -> f64

Returns the current position of the slider on the tool, normalized to the range [-1, 1].

fn slider_has_changed(&self) -> bool

Check if the slider axis was updated in this event.

fn tilt_x(&self) -> f64

Returns the current tilt along the X axis of the tablet’s current logical orientation, in degrees off the tablet’s z axis.

fn tilt_x_has_changed(&self) -> bool

Check if the tilt x axis was updated in this event.

fn tilt_y(&self) -> f64

Returns the current tilt along the Y axis of the tablet’s current logical orientation, in degrees off the tablet’s z axis.

fn tilt_y_has_changed(&self) -> bool

Check if the tilt y axis was updated in this event.

fn rotation(&self) -> f64

Returns the current z rotation of the tool in degrees, clockwise from the tool’s logical neutral position.

fn rotation_has_changed(&self) -> bool

Check if the z-rotation axis was updated in this event.

fn wheel_delta(&self) -> f64

Return the delta for the wheel in degrees.

fn wheel_delta_discrete(&self) -> i32

Return the delta for the wheel in discrete steps (e.g. wheel clicks).

fn wheel_has_changed(&self) -> bool

Check if the wheel axis was updated in this event.

fn delta(&self) -> Point<f64, Logical>

Delta between the last and new pointer device position interpreted as pixel movement

fn tilt(&self) -> (f64, f64)

Returns the current tilt along the (X,Y) axis of the tablet’s current logical orientation, in degrees off the tablet’s z axis.

fn tilt_has_changed(&self) -> bool

Check if the tilt was updated in this event.

impl TabletToolProximityEvent<LibinputInputBackend> for TabletToolProximityEvent

fn state(&self) -> ProximityState

Returns the new proximity state of a tool from a proximity event.

impl TabletToolTipEvent<LibinputInputBackend> for TabletToolTipEvent

fn tip_state(&self) -> TabletToolTipState

Returns the new tip state of a tool from a tip event.

impl TouchEvent<LibinputInputBackend> for TouchCancelEvent

fn slot(&self) -> TouchSlot

Multi-touch slot identifier.

impl TouchEvent<LibinputInputBackend> for TouchDownEvent

fn slot(&self) -> TouchSlot

Multi-touch slot identifier.

impl TouchEvent<LibinputInputBackend> for TouchMotionEvent

fn slot(&self) -> TouchSlot

Multi-touch slot identifier.

impl TouchEvent<LibinputInputBackend> for TouchUpEvent

fn slot(&self) -> TouchSlot

Multi-touch slot identifier.

impl GestureHoldBeginEvent<LibinputInputBackend> for GestureHoldBeginEvent

impl GestureHoldEndEvent<LibinputInputBackend> for GestureHoldEndEvent

impl GesturePinchBeginEvent<LibinputInputBackend> for GesturePinchBeginEvent

impl GesturePinchEndEvent<LibinputInputBackend> for GesturePinchEndEvent

impl GestureSwipeBeginEvent<LibinputInputBackend> for GestureSwipeBeginEvent

impl GestureSwipeEndEvent<LibinputInputBackend> for GestureSwipeEndEvent

impl PointerMotionAbsoluteEvent<LibinputInputBackend> for PointerMotionAbsoluteEvent

impl TabletToolAxisEvent<LibinputInputBackend> for TabletToolAxisEvent

impl TouchCancelEvent<LibinputInputBackend> for TouchCancelEvent

impl TouchDownEvent<LibinputInputBackend> for TouchDownEvent

impl TouchFrameEvent<LibinputInputBackend> for TouchFrameEvent

impl TouchMotionEvent<LibinputInputBackend> for TouchMotionEvent

impl TouchUpEvent<LibinputInputBackend> for TouchUpEvent