Prune commentary and stale Rust port notes

rig-input/src/main.rs

@@ -1,19 +1,3 @@
-//! Replays a `.touch` file into the compositor as a left-button drag --
-//! see this crate's `Cargo.toml` for why it exists rather than
-//! `swaymsg seat - cursor`.
-//!
-//!     WAYLAND_DISPLAY=… replay-touch WIDTH HEIGHT FILE
-//!
-//! `WIDTH`/`HEIGHT` are the output's own size, because the virtual
-//! pointer protocol positions absolutely against an extent rather than
-//! in pixels; passing the output size makes a script's coordinates mean
-//! the same pixels they mean in the headless tests.
-//!
-//! Replayed in real time (the sleeps between samples are the gaps in the
-//! file), because winit has no timestamp on a pointer event and dates
-//! each one when it arrives -- so a 20ms flick has to actually take
-//! 20ms here, unlike layer 1 where the sample carries its own time.
-
 use iris::harness::{TouchAction, TouchScript};
 use std::time::Duration;
 use wayland_client::protocol::wl_pointer::ButtonState;
@@ -24,12 +8,8 @@ use wayland_protocols_wlr::virtual_pointer::v1::client::{
     zwlr_virtual_pointer_v1::ZwlrVirtualPointerV1,
 };
 
-/// `linux/input-event-codes.h`. The protocol takes the kernel's own
-/// button code, not a wayland enum.
 const BTN_LEFT: u32 = 0x110;
 
-/// How long the pointer sits at the gesture's first position before the
-/// script starts -- see the comment at the pre-step in `main`.
 const SETTLE: Duration = Duration::from_millis(200);
 
 #[derive(Default)]
@@ -126,9 +106,6 @@ fn main() {
         previous = sample.t_ms;
         let t = sample.t_ms as u32;
         pointer.motion_absolute(t, sample.pos.x as u32, sample.pos.y as u32, width, height);
-        // One frame per sample, so the compositor delivers them as
-        // separate pointer frames rather than coalescing the whole
-        // gesture -- the shape the file recorded is the point.
         pointer.frame();
         // The button goes in a frame of its own, *after* the motion has
         // been committed. Sent in the same frame as the motion that