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// Create a virtual mouse, just while this is running.
// Generally this requires root.
use evdev::{uinput::VirtualDevice, AttributeSet, EventType, InputEvent, RelativeAxisCode};
use std::thread::sleep;
use std::time::Duration;
use MoveDirection::*;
fn main() -> std::io::Result<()> {
let mut device = VirtualDevice::builder()?
.name("fake-mouse")
.with_relative_axes(&AttributeSet::from_iter([
RelativeAxisCode::REL_X,
RelativeAxisCode::REL_Y,
RelativeAxisCode::REL_WHEEL,
RelativeAxisCode::REL_HWHEEL,
]))?
.build()
.unwrap();
for path in device.enumerate_dev_nodes_blocking()? {
let path = path?;
println!("Available as {}", path.display());
}
println!("Waiting for Ctrl-C...");
loop {
let ev = new_move_mouse_event(Up, 50);
device.emit(&[ev]).unwrap();
println!("Moved mouse up");
sleep(Duration::from_millis(100));
let ev = new_move_mouse_event(Down, 50);
device.emit(&[ev]).unwrap();
println!("Moved mouse down");
sleep(Duration::from_millis(100));
let ev = new_move_mouse_event(Left, 50);
device.emit(&[ev]).unwrap();
println!("Moved mouse left");
sleep(Duration::from_millis(100));
let ev = new_move_mouse_event(Right, 50);
device.emit(&[ev]).unwrap();
println!("Moved mouse right");
sleep(Duration::from_millis(100));
let ev = new_scroll_mouse_event(Up, 1);
device.emit(&[ev]).unwrap();
println!("Scrolled mouse up");
sleep(Duration::from_millis(100));
let ev = new_scroll_mouse_event(Down, 1);
device.emit(&[ev]).unwrap();
println!("Scrolled mouse down");
sleep(Duration::from_millis(100));
let ev = new_scroll_mouse_event(Left, 1);
device.emit(&[ev]).unwrap();
println!("Scrolled mouse left");
sleep(Duration::from_millis(100));
let ev = new_scroll_mouse_event(Right, 1);
device.emit(&[ev]).unwrap();
println!("Scrolled mouse right");
sleep(Duration::from_millis(100));
}
}
enum MoveDirection {
Up,
Down,
Left,
Right,
}
fn new_move_mouse_event(direction: MoveDirection, distance: u16) -> InputEvent {
let (axis, distance) = match direction {
MoveDirection::Up => (RelativeAxisCode::REL_Y, -i32::from(distance)),
MoveDirection::Down => (RelativeAxisCode::REL_Y, i32::from(distance)),
MoveDirection::Left => (RelativeAxisCode::REL_X, -i32::from(distance)),
MoveDirection::Right => (RelativeAxisCode::REL_X, i32::from(distance)),
};
InputEvent::new_now(EventType::RELATIVE.0, axis.0, distance)
}
fn new_scroll_mouse_event(direction: MoveDirection, distance: u16) -> InputEvent {
let (axis, distance) = match direction {
MoveDirection::Up => (RelativeAxisCode::REL_WHEEL.0, i32::from(distance)),
MoveDirection::Down => (RelativeAxisCode::REL_WHEEL.0, -i32::from(distance)),
MoveDirection::Left => (RelativeAxisCode::REL_HWHEEL.0, -i32::from(distance)),
MoveDirection::Right => (RelativeAxisCode::REL_HWHEEL.0, i32::from(distance)),
};
InputEvent::new_now(EventType::RELATIVE.0, axis, distance)
}
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