72 lines
2.4 KiB
Rust
72 lines
2.4 KiB
Rust
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//! Touch diagnostics. Replaces v1's tools/diag.sh and tools/find-device.sh.
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//!
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//! The question it exists to answer is "the panel works, so why does nothing
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//! happen?" -- which in v1 meant reading lisgd's `Cfg(f=1) <=> Evt(f=2)` output
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//! and knowing that meant the contact count. Here the answer is printed in
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//! English instead.
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use anyhow::{bail, Result};
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use crate::config::Config;
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use crate::input::{list_touchscreens, Event, Touchpanel};
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pub fn list() -> Result<()> {
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let found = list_touchscreens();
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if found.is_empty() {
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bail!(
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"no multitouch devices found under /dev/input/by-id/.\n\
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If the panel is plugged in, you may not have permission to read the \
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devices: install the udev rule or join the 'input' group and log back in."
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);
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}
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println!("Multitouch devices:\n");
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for (path, name) in found {
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println!(" {name}\n {path}\n");
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}
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println!("Put the path in touch.device. Always the by-id path -- eventN numbers");
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println!("get reshuffled on reboot or USB re-enumeration.");
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Ok(())
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}
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pub fn run(cfg: &Config) -> Result<()> {
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println!("Watching {}", cfg.touch.device);
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println!(
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" panel {}x{}, threshold {}px, leniency {}\u{b0}, contacts accepted: {:?}",
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cfg.touch.width, cfg.touch.height, cfg.touch.threshold, cfg.touch.leniency, cfg.touch.fingers
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);
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println!(
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" grab: {}\n",
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if cfg.touch.grab {
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"yes -- X will not see these touches"
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} else {
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"no -- X also receives these touches"
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}
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);
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println!("Swipe left, right, up and down. Ctrl-C when done.\n");
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let mut panel = Touchpanel::open(&cfg.touch)?;
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let g = &cfg.gestures;
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panel.run(|ev| {
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match ev {
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Event::Swipe(s) => {
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let action = match s.direction {
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d if d == g.forward => "forward",
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d if d == g.back => "back",
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d if d == g.up => "up",
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d if d == g.down => "down",
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_ => "not bound to anything",
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};
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println!(
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" {:?} swipe, {} contact(s) -> {action}",
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s.direction, s.fingers
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);
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}
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Event::Discarded(dir, why) => {
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println!(" {dir:?} swipe ignored: {why}");
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}
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}
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true
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})
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}
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