Trait InputBackend

pub trait InputBackend: Sized {
    type Device: Device;
    type KeyboardKeyEvent: KeyboardKeyEvent<Self>;
    type PointerAxisEvent: PointerAxisEvent<Self>;
    type PointerButtonEvent: PointerButtonEvent<Self>;
    type PointerMotionEvent: PointerMotionEvent<Self>;
    type PointerMotionAbsoluteEvent: PointerMotionAbsoluteEvent<Self>;
    type GestureSwipeBeginEvent: GestureSwipeBeginEvent<Self>;
    type GestureSwipeUpdateEvent: GestureSwipeUpdateEvent<Self>;
    type GestureSwipeEndEvent: GestureSwipeEndEvent<Self>;
    type GesturePinchBeginEvent: GesturePinchBeginEvent<Self>;
    type GesturePinchUpdateEvent: GesturePinchUpdateEvent<Self>;
    type GesturePinchEndEvent: GesturePinchEndEvent<Self>;
    type GestureHoldBeginEvent: GestureHoldBeginEvent<Self>;
    type GestureHoldEndEvent: GestureHoldEndEvent<Self>;
    type TouchDownEvent: TouchDownEvent<Self>;
    type TouchUpEvent: TouchUpEvent<Self>;
    type TouchMotionEvent: TouchMotionEvent<Self>;
    type TouchCancelEvent: TouchCancelEvent<Self>;
    type TouchFrameEvent: TouchFrameEvent<Self>;
    type TabletToolAxisEvent: TabletToolAxisEvent<Self>;
    type TabletToolProximityEvent: TabletToolProximityEvent<Self>;
    type TabletToolTipEvent: TabletToolTipEvent<Self>;
    type TabletToolButtonEvent: TabletToolButtonEvent<Self>;
    type SwitchToggleEvent: SwitchToggleEvent<Self>;
    type SpecialEvent;
}

Trait that describes objects providing a source of input events. All input backends need to implement this and provide the same base guarantees about the precision of given events.

Required Associated Types

type Device: Device

Type representing input devices

type KeyboardKeyEvent: KeyboardKeyEvent<Self>

Type representing keyboard events

type PointerAxisEvent: PointerAxisEvent<Self>

Type representing axis events on pointer devices

type PointerButtonEvent: PointerButtonEvent<Self>

Type representing button events on pointer devices

type PointerMotionEvent: PointerMotionEvent<Self>

Type representing motion events of pointer devices

type PointerMotionAbsoluteEvent: PointerMotionAbsoluteEvent<Self>

Type representing motion events of pointer devices

type GestureSwipeBeginEvent: GestureSwipeBeginEvent<Self>

Type representing swipe begin events of pointer devices

type GestureSwipeUpdateEvent: GestureSwipeUpdateEvent<Self>

Type representing swipe update events of pointer devices

type GestureSwipeEndEvent: GestureSwipeEndEvent<Self>

Type representing swipe end events of pointer devices

type GesturePinchBeginEvent: GesturePinchBeginEvent<Self>

Type representing pinch begin events of pointer devices

type GesturePinchUpdateEvent: GesturePinchUpdateEvent<Self>

Type representing pinch update events of pointer devices

type GesturePinchEndEvent: GesturePinchEndEvent<Self>

Type representing pinch end events of pointer devices

type GestureHoldBeginEvent: GestureHoldBeginEvent<Self>

Type representing hold begin events of pointer devices

type GestureHoldEndEvent: GestureHoldEndEvent<Self>

Type representing hold end events of pointer devices

type TouchDownEvent: TouchDownEvent<Self>

Type representing touch events starting

type TouchUpEvent: TouchUpEvent<Self>

Type representing touch events ending

type TouchMotionEvent: TouchMotionEvent<Self>

Type representing touch events from moving

type TouchCancelEvent: TouchCancelEvent<Self>

Type representing canceling of touch events

type TouchFrameEvent: TouchFrameEvent<Self>

Type representing touch frame events

type TabletToolAxisEvent: TabletToolAxisEvent<Self>

Type representing axis events on tablet devices

type TabletToolProximityEvent: TabletToolProximityEvent<Self>

Type representing proximity events on tablet devices

type TabletToolTipEvent: TabletToolTipEvent<Self>

Type representing tip events on tablet devices

type TabletToolButtonEvent: TabletToolButtonEvent<Self>

Type representing button events on tablet tool devices

type SwitchToggleEvent: SwitchToggleEvent<Self>

Type representing switch toggle events

type SpecialEvent

Special events that are custom to this backend

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl InputBackend for LibinputInputBackend

Available on crate feature backend_libinput only.

type Device = Device

type KeyboardKeyEvent = KeyboardKeyEvent

type PointerAxisEvent = PointerScrollAxis

type PointerButtonEvent = PointerButtonEvent

type PointerMotionEvent = PointerMotionEvent

type PointerMotionAbsoluteEvent = PointerMotionAbsoluteEvent

type GestureSwipeBeginEvent = GestureSwipeBeginEvent

type GestureSwipeUpdateEvent = GestureSwipeUpdateEvent

type GestureSwipeEndEvent = GestureSwipeEndEvent

type GesturePinchBeginEvent = GesturePinchBeginEvent

type GesturePinchUpdateEvent = GesturePinchUpdateEvent

type GesturePinchEndEvent = GesturePinchEndEvent

type GestureHoldBeginEvent = GestureHoldBeginEvent

type GestureHoldEndEvent = GestureHoldEndEvent

type TouchDownEvent = TouchDownEvent

type TouchUpEvent = TouchUpEvent

type TouchMotionEvent = TouchMotionEvent

type TouchCancelEvent = TouchCancelEvent

type TouchFrameEvent = TouchFrameEvent

type TabletToolAxisEvent = TabletToolAxisEvent

type TabletToolProximityEvent = TabletToolProximityEvent

type TabletToolTipEvent = TabletToolTipEvent

type TabletToolButtonEvent = TabletToolButtonEvent

type SwitchToggleEvent = SwitchToggleEvent

type SpecialEvent = UnusedEvent

impl InputBackend for WinitInput

Available on crate feature backend_winit only.

type Device = WinitVirtualDevice

type KeyboardKeyEvent = WinitKeyboardInputEvent

type PointerAxisEvent = WinitMouseWheelEvent

type PointerButtonEvent = WinitMouseInputEvent

type PointerMotionEvent = UnusedEvent

type PointerMotionAbsoluteEvent = WinitMouseMovedEvent

type GestureSwipeBeginEvent = UnusedEvent

type GestureSwipeUpdateEvent = UnusedEvent

type GestureSwipeEndEvent = UnusedEvent

type GesturePinchBeginEvent = UnusedEvent

type GesturePinchUpdateEvent = UnusedEvent

type GesturePinchEndEvent = UnusedEvent

type GestureHoldBeginEvent = UnusedEvent

type GestureHoldEndEvent = UnusedEvent

type TouchDownEvent = WinitTouchStartedEvent

type TouchUpEvent = WinitTouchEndedEvent

type TouchMotionEvent = WinitTouchMovedEvent

type TouchCancelEvent = WinitTouchCancelledEvent

type TouchFrameEvent = UnusedEvent

type TabletToolAxisEvent = UnusedEvent

type TabletToolProximityEvent = UnusedEvent

type TabletToolTipEvent = UnusedEvent

type TabletToolButtonEvent = UnusedEvent

type SwitchToggleEvent = UnusedEvent

type SpecialEvent = UnusedEvent

impl InputBackend for X11Input

Available on crate feature backend_x11 only.

type Device = X11VirtualDevice

type KeyboardKeyEvent = X11KeyboardInputEvent

type PointerAxisEvent = X11MouseWheelEvent

type PointerButtonEvent = X11MouseInputEvent

type PointerMotionEvent = UnusedEvent

type PointerMotionAbsoluteEvent = X11MouseMovedEvent

type GestureSwipeBeginEvent = UnusedEvent

type GestureSwipeUpdateEvent = UnusedEvent

type GestureSwipeEndEvent = UnusedEvent

type GesturePinchBeginEvent = UnusedEvent

type GesturePinchUpdateEvent = UnusedEvent

type GesturePinchEndEvent = UnusedEvent

type GestureHoldBeginEvent = UnusedEvent

type GestureHoldEndEvent = UnusedEvent

type TouchDownEvent = UnusedEvent

type TouchUpEvent = UnusedEvent

type TouchMotionEvent = UnusedEvent

type TouchCancelEvent = UnusedEvent

type TouchFrameEvent = UnusedEvent

type TabletToolAxisEvent = UnusedEvent

type TabletToolProximityEvent = UnusedEvent

type TabletToolTipEvent = UnusedEvent

type TabletToolButtonEvent = UnusedEvent

type SwitchToggleEvent = UnusedEvent

type SpecialEvent = UnusedEvent