248 lines
11 KiB
Rust
248 lines
11 KiB
Rust
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use winit::{event::{DeviceId, KeyboardInput, ModifiersState, MouseScrollDelta, TouchPhase, MouseButton, AxisId, Touch, WindowEvent, ElementState}, dpi::PhysicalPosition};
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#[derive(Debug, PartialEq)]
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pub enum InputEvent {
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/// An event from the keyboard has been received.
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KeyboardInput {
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device_id: DeviceId,
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input: KeyboardInput,
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/// If true, the event was generated synthetically by winit in one of the following circumstances:
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/// Synthetic key press events are generated for all keys pressed when a window gains focus.
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/// Likewise, synthetic key release events are generated for all keys pressed when a window goes out of focus.
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/// Currently, this is only functional on X11 and Windows
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is_synthetic: bool,
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},
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/// The cursor has moved on the window.
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CursorMoved {
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device_id: DeviceId,
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position: PhysicalPosition<f64>,
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modifiers: ModifiersState,
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},
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/// The cursor has entered the window.
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CursorEntered {
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device_id: DeviceId,
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},
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/// The cursor has left the window.
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CursorLeft {
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device_id: DeviceId,
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},
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/// A mouse wheel movement or touchpad scroll occurred.
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MouseWheel {
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device_id: DeviceId,
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delta: MouseScrollDelta,
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phase: TouchPhase,
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/// Deprecated in favor of WindowEvent::ModifiersChanged
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modifiers: ModifiersState,
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},
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/// An mouse button press has been received.
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MouseInput {
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device_id: DeviceId,
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state: ElementState,
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button: MouseButton,
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#[deprecated = "Deprecated in favor of WindowEvent::ModifiersChanged"]
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modifiers: ModifiersState,
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},
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/// Touchpad magnification event with two-finger pinch gesture.
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/// Positive delta values indicate magnification (zooming in) and negative delta values indicate shrinking (zooming out).
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///
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/// Note: Only available on macOS
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TouchpadMagnify {
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device_id: DeviceId,
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delta: f64,
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phase: TouchPhase,
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},
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/// Smart magnification event.
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///
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/// On a Mac, smart magnification is triggered by a double tap with two fingers
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/// on the trackpad and is commonly used to zoom on a certain object
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/// (e.g. a paragraph of a PDF) or (sort of like a toggle) to reset any zoom.
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/// The gesture is also supported in Safari, Pages, etc.
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///
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/// The event is general enough that its generating gesture is allowed to vary
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/// across platforms. It could also be generated by another device.
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///
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/// Unfortunatly, neither [Windows](https://support.microsoft.com/en-us/windows/touch-gestures-for-windows-a9d28305-4818-a5df-4e2b-e5590f850741)
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/// nor [Wayland](https://wayland.freedesktop.org/libinput/doc/latest/gestures.html)
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/// support this gesture or any other gesture with the same effect.
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///
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/// ## Platform-specific
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///
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/// - Only available on **macOS 10.8** and later.
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SmartMagnify { device_id: DeviceId },
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/// Touchpad rotation event with two-finger rotation gesture.
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///
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/// Positive delta values indicate rotation counterclockwise and
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/// negative delta values indicate rotation clockwise.
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///
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/// ## Platform-specific
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///
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/// - Only available on **macOS**.
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TouchpadRotate {
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device_id: DeviceId,
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delta: f32,
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phase: TouchPhase,
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},
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/// Touchpad pressure event.
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///
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/// At the moment, only supported on Apple forcetouch-capable macbooks.
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/// The parameters are: pressure level (value between 0 and 1 representing how hard the touchpad
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/// is being pressed) and stage (integer representing the click level).
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TouchpadPressure {
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device_id: DeviceId,
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pressure: f32,
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stage: i64,
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},
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/// Motion on some analog axis. May report data redundant to other, more specific events.
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AxisMotion {
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device_id: DeviceId,
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axis: AxisId,
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value: f64,
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},
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/// Touch event has been received
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///
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/// ## Platform-specific
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///
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/// - **macOS:** Unsupported.
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Touch(Touch),
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}
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#[derive(Debug, PartialEq)]
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pub enum InputEventConversionError<'a> {
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FromError(&'a WindowEvent<'a>)
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}
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impl<'a> Into<WindowEvent<'a>> for InputEvent {
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fn into(self) -> WindowEvent<'a> {
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match self {
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InputEvent::KeyboardInput { device_id, input, is_synthetic } => WindowEvent::KeyboardInput { device_id, input, is_synthetic },
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InputEvent::CursorMoved { device_id, position, modifiers } => WindowEvent::CursorMoved { device_id, position, modifiers },
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InputEvent::CursorEntered { device_id } => WindowEvent::CursorEntered { device_id },
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InputEvent::CursorLeft { device_id } => WindowEvent::CursorLeft { device_id },
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InputEvent::MouseWheel { device_id, delta, phase, modifiers } => WindowEvent::MouseWheel { device_id, delta, phase, modifiers },
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InputEvent::MouseInput { device_id, state, button, modifiers } => WindowEvent::MouseInput { device_id, state, button, modifiers },
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InputEvent::TouchpadMagnify { device_id, delta, phase } => WindowEvent::TouchpadMagnify { device_id, delta, phase },
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InputEvent::SmartMagnify { device_id } => WindowEvent::SmartMagnify { device_id },
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InputEvent::TouchpadRotate { device_id, delta, phase } => WindowEvent::TouchpadRotate { device_id, delta, phase },
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InputEvent::TouchpadPressure { device_id, pressure, stage } => WindowEvent::TouchpadPressure { device_id, pressure, stage },
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InputEvent::AxisMotion { device_id, axis, value } => WindowEvent::AxisMotion { device_id, axis, value },
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InputEvent::Touch(t) => WindowEvent::Touch(t),
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}
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}
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}
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impl<'a> TryFrom<&'a WindowEvent<'a>> for InputEvent {
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type Error = InputEventConversionError<'a>;
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fn try_from(value: &'a WindowEvent<'a>) -> Result<Self, Self::Error> {
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match value {
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WindowEvent::KeyboardInput { device_id, input, is_synthetic } =>
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Ok(InputEvent::KeyboardInput {
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device_id: device_id.clone(),
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input: input.clone(),
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is_synthetic: is_synthetic.clone()
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}),
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WindowEvent::CursorMoved { device_id, position, modifiers } =>
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Ok(InputEvent::CursorMoved {
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device_id: device_id.clone(),
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position: position.clone(),
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modifiers: modifiers.clone()
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}),
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WindowEvent::CursorEntered { device_id } =>
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Ok(InputEvent::CursorEntered {
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device_id: device_id.clone()
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}),
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WindowEvent::CursorLeft { device_id } =>
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Ok(InputEvent::CursorLeft {
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device_id: device_id.clone()
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}),
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WindowEvent::MouseWheel { device_id, delta, phase, modifiers } =>
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Ok(InputEvent::MouseWheel {
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device_id: device_id.clone(),
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delta: delta.clone(),
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phase: phase.clone(),
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modifiers: modifiers.clone()
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}),
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WindowEvent::MouseInput { device_id, state, button, modifiers } =>
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Ok(InputEvent::MouseInput {
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device_id: device_id.clone(),
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state: state.clone(),
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button: button.clone(),
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modifiers: modifiers.clone()
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}),
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WindowEvent::TouchpadMagnify { device_id, delta, phase } =>
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Ok(InputEvent::TouchpadMagnify {
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device_id: device_id.clone(),
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delta: delta.clone(),
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phase: phase.clone()
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}),
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WindowEvent::SmartMagnify { device_id } =>
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Ok(InputEvent::SmartMagnify {
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device_id: device_id.clone()
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}),
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WindowEvent::TouchpadRotate { device_id, delta, phase } =>
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Ok(InputEvent::TouchpadRotate {
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device_id: device_id.clone(),
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delta: delta.clone(),
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phase: phase.clone()
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}),
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WindowEvent::TouchpadPressure { device_id, pressure, stage } =>
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Ok(InputEvent::TouchpadPressure {
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device_id: device_id.clone(),
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pressure: pressure.clone(),
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stage: stage.clone()
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}),
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WindowEvent::AxisMotion { device_id, axis, value } =>
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Ok(InputEvent::AxisMotion {
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device_id: device_id.clone(),
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axis: axis.clone(),
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value: value.clone()
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}),
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WindowEvent::Touch(t) => Ok(InputEvent::Touch(t.clone())),
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_ => Err(InputEventConversionError::FromError(value))
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}
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}
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}
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/* impl<'a> TryFrom<WindowEvent<'a>> for InputEvent {
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type Error = InputEventConversionError<'a>;
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fn try_from(value: WindowEvent<'a>) -> Result<Self, Self::Error> {
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match value {
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WindowEvent::KeyboardInput { device_id, input, is_synthetic } =>
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Ok(InputEvent::KeyboardInput { device_id, input, is_synthetic }),
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WindowEvent::CursorMoved { device_id, position, modifiers } =>
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Ok(InputEvent::CursorMoved { device_id, position, modifiers }),
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WindowEvent::CursorEntered { device_id } => Ok(InputEvent::CursorEntered { device_id }),
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WindowEvent::CursorLeft { device_id } => Ok(InputEvent::CursorLeft { device_id }),
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WindowEvent::MouseWheel { device_id, delta, phase, modifiers } =>
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Ok(InputEvent::MouseWheel { device_id, delta, phase, modifiers }),
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WindowEvent::MouseInput { device_id, state, button, modifiers } =>
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Ok(InputEvent::MouseInput { device_id, state, button, modifiers }),
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WindowEvent::TouchpadMagnify { device_id, delta, phase } =>
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Ok(InputEvent::TouchpadMagnify { device_id, delta, phase }),
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WindowEvent::SmartMagnify { device_id } => Ok(InputEvent::SmartMagnify { device_id }),
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WindowEvent::TouchpadRotate { device_id, delta, phase } =>
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Ok(InputEvent::TouchpadRotate { device_id, delta, phase }),
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WindowEvent::TouchpadPressure { device_id, pressure, stage } =>
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Ok(InputEvent::TouchpadPressure { device_id, pressure, stage }),
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WindowEvent::AxisMotion { device_id, axis, value } =>
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Ok(InputEvent::AxisMotion { device_id, axis, value }),
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WindowEvent::Touch(t) => Ok(InputEvent::Touch(t)),
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_ => Err(InputEventConversionError::FromError(value))
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}
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}
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} */
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