568 lines
26 KiB
Rust
568 lines
26 KiB
Rust
//! 3Dconnexion HID navigation on Windows (through hidapi) and Linux (through hidraw). The device
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//! reader never touches the document or UI; it publishes the latest axes, and the egui thread
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//! applies them once per frame.
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mod hid_descriptor;
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#[cfg(target_os = "linux")]
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mod hidraw;
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use std::sync::{Arc, Mutex};
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use std::time::{Duration, Instant};
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use egui::Context;
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use hid_descriptor::Layout;
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#[cfg(target_os = "windows")]
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use hidapi::{DeviceInfo, HidApi};
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use quick_xml::Reader;
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use quick_xml::events::Event;
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use solidcraft_ui_egui::SolveApp;
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use solidcraft_ui_egui::space_mouse::{Axes, AxisRule, DriverMapping, WheelGuard, navigate_frame};
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const STALE_AFTER: Duration = Duration::from_millis(150);
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const RETRY_AFTER: Duration = Duration::from_secs(2);
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const MAX_PROFILE_BYTES: u64 = 1024 * 1024;
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/// The mapping used when no 3DxWare profile is found: what the driver applies by default in
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/// object mode. On Linux there is no 3DxWare (#1172); on Windows 3DxWare has no profile for
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/// SolidCraft until one is made, and the raw axes swap roll and spin (#1380).
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fn without_profile() -> DriverMapping {
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DriverMapping::object_mode()
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}
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#[derive(Clone, Copy, Debug, Default)]
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struct ProfileAxis {
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input: Option<usize>,
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output: Option<usize>,
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enabled: bool,
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reversed: bool,
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scale: f64,
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}
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#[derive(Clone, Copy, Debug, PartialEq)]
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enum ProfilePart {
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Input,
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Output,
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}
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fn axis_index(name: &str) -> Option<usize> {
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match name.trim() {
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"HIDMultiAxis_X" => Some(0),
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"HIDMultiAxis_Y" => Some(1),
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"HIDMultiAxis_Z" => Some(2),
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"HIDMultiAxis_Rx" => Some(3),
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"HIDMultiAxis_Ry" => Some(4),
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"HIDMultiAxis_Rz" => Some(5),
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_ => None,
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}
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}
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/// 3DxWare stores the active KMJ application's axis selection, swapping, inversion and speed in
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/// `%APPDATA%/3Dconnexion/3DxWare/Cfg/<app>-KMJ.xml`. Direct HID reads bypass the driver, so apply
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/// that profile explicitly when it exists. Unknown or incomplete fields retain the raw HID axis.
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fn parse_driver_mapping(xml: &[u8]) -> Option<DriverMapping> {
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let mut reader = Reader::from_reader(xml);
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reader.config_mut().trim_text(true);
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let mut buf = Vec::new();
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let mut mapping = DriverMapping::default();
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let mut axis: Option<ProfileAxis> = None;
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let mut part = None;
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let mut field = Vec::new();
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let mut found = false;
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loop {
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match reader.read_event_into(&mut buf).ok()? {
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Event::Start(start) => match start.local_name().as_ref() {
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b"Axis" => axis = Some(ProfileAxis { enabled: true, scale: 1.0, ..Default::default() }),
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b"Input" => part = Some(ProfilePart::Input),
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b"Output" => part = Some(ProfilePart::Output),
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name @ (b"ActionID" | b"Enabled" | b"Reversed" | b"Scale" | b"OverallScale") => field = name.to_vec(),
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_ => {}
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},
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Event::Text(text) => {
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let value = String::from_utf8_lossy(text.as_ref());
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match field.as_slice() {
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b"ActionID" => {
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if let Some(current) = axis.as_mut() {
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match part {
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Some(ProfilePart::Input) => current.input = axis_index(&value),
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Some(ProfilePart::Output) => current.output = axis_index(&value),
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None => {}
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}
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}
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}
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b"Enabled" => {
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if let Some(current) = axis.as_mut() {
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current.enabled = value.trim().eq_ignore_ascii_case("true");
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}
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}
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b"Reversed" => {
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if part == Some(ProfilePart::Output)
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&& let Some(current) = axis.as_mut()
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{
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current.reversed = value.trim().eq_ignore_ascii_case("true");
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}
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}
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b"Scale" => {
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if part == Some(ProfilePart::Output)
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&& let Some(scale) = value.trim().parse::<f64>().ok().filter(|scale| scale.is_finite())
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&& let Some(current) = axis.as_mut()
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{
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current.scale = scale.clamp(0.0, 10.0);
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}
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}
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b"OverallScale" => {
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if let Some(scale) = value.trim().parse::<f64>().ok().filter(|scale| scale.is_finite()) {
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mapping.overall_scale = scale.clamp(0.0, 10.0);
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}
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}
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_ => {}
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}
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}
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Event::End(end) => match end.local_name().as_ref() {
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b"Axis" => {
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if let Some(current) = axis.take()
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&& let (Some(input), Some(output)) = (current.input, current.output)
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{
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mapping.axes[input] = AxisRule { output, enabled: current.enabled, reversed: current.reversed, scale: current.scale };
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found = true;
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}
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}
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b"Input" | b"Output" => part = None,
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b"ActionID" | b"Enabled" | b"Reversed" | b"Scale" | b"OverallScale" => field.clear(),
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_ => {}
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},
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Event::Eof => break,
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_ => {}
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}
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buf.clear();
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}
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found.then_some(mapping)
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}
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fn load_driver_mapping() -> Option<DriverMapping> {
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let cfg = std::path::PathBuf::from(std::env::var_os("APPDATA")?).join("3Dconnexion").join("3DxWare").join("Cfg");
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// The driver names the profile after the executable; one made for the pre-rename executable
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// still applies until the driver writes a new one (compatibility shim).
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let profile = ["solidcraft-KMJ.xml", "solvecraft-KMJ.xml"].into_iter().map(|n| cfg.join(n)).find(|p| p.is_file())?;
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if std::fs::metadata(&profile).ok()?.len() > MAX_PROFILE_BYTES {
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log::warn!("3D mouse: ignoring oversized 3DxWare profile {}", profile.display());
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return None;
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}
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let xml = std::fs::read(&profile).ok()?;
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parse_driver_mapping(&xml)
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}
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#[derive(Clone, Copy)]
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struct Reading {
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axes: Axes,
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translation_at: Instant,
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rotation_at: Instant,
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}
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impl Reading {
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fn new(now: Instant) -> Self {
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Self { axes: Axes::default(), translation_at: now, rotation_at: now }
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}
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fn current(self, now: Instant) -> Axes {
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Axes {
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translation: if now.duration_since(self.translation_at) < STALE_AFTER { self.axes.translation } else { [0; 3] },
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rotation: if now.duration_since(self.rotation_at) < STALE_AFTER { self.axes.rotation } else { [0; 3] },
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}
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}
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}
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/// The old SpaceNavigator uses Logitech's VID; newer 3Dconnexion devices use their own.
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fn is_3d_mouse_vendor(vendor_id: u16) -> bool {
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matches!(vendor_id, 0x046d | 0x256f)
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}
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/// The HID usage excludes ordinary Logitech mice and the keyboard interfaces of SpaceMice.
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#[cfg(target_os = "windows")]
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fn is_3d_mouse(info: &DeviceInfo) -> bool {
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is_3d_mouse_vendor(info.vendor_id()) && info.usage_page() == 0x01 && info.usage() == 0x08
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}
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fn three_axes(bytes: &[u8]) -> Option<[i16; 3]> {
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let &[x0, x1, y0, y1, z0, z1] = bytes.get(..6)? else { return None };
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Some([i16::from_le_bytes([x0, x1]), i16::from_le_bytes([y0, y1]), i16::from_le_bytes([z0, z1])])
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}
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/// SpaceNavigator reports 1 (translation) and 2 (rotation), each with three signed
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/// little-endian 16-bit values. The HID layer may pad either report to its maximum size.
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/// Some homemade devices send all six values in report 1 instead (`Layout::Combined`): only the
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/// device's report descriptor can tell the two apart, because a padded split report 1 is as long.
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fn decode_report(report: &[u8], layout: Layout, reading: &mut Reading, now: Instant) -> bool {
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match report.first().copied() {
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Some(1) if layout == Layout::Combined => {
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let Some(body) = report.get(1..) else { return false };
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let (Some(translation), Some(rotation)) = (body.get(..6).and_then(three_axes), body.get(6..).and_then(three_axes)) else { return false };
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reading.axes = Axes { translation, rotation };
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reading.translation_at = now;
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reading.rotation_at = now;
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true
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}
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Some(1) => {
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let Some(translation) = report.get(1..).and_then(three_axes) else { return false };
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reading.axes.translation = translation;
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reading.translation_at = now;
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true
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}
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Some(2) => {
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let Some(rotation) = report.get(1..).and_then(three_axes) else { return false };
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reading.axes.rotation = rotation;
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reading.rotation_at = now;
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true
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}
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_ => false,
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}
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}
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/// Publishes one input report from the device to the egui thread.
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fn publish(ctx: &Context, shared: &Mutex<Reading>, layout: Layout, report: &[u8]) {
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if let Ok(mut reading) = shared.lock()
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&& decode_report(report, layout, &mut reading, Instant::now())
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{
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ctx.request_repaint();
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}
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}
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/// The device is gone: stop reporting its last position.
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fn reset(ctx: &Context, shared: &Mutex<Reading>) {
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if let Ok(mut reading) = shared.lock() {
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*reading = Reading::new(Instant::now());
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}
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ctx.request_repaint();
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}
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#[cfg(target_os = "windows")]
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fn reader(ctx: Context, shared: Arc<Mutex<Reading>>) {
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let Ok(mut api) = HidApi::new() else {
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log::warn!("3D mouse: HID initialization failed");
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return;
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};
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loop {
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if let Err(error) = api.refresh_devices() {
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log::warn!("3D mouse: device scan failed: {error}");
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} else if let Some(device) = api.device_list().find(|info| is_3d_mouse(info)).and_then(|info| info.open_device(&api).ok()) {
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let layout = device_layout(&device);
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let mut report = [0_u8; 64];
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loop {
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match device.read_timeout(&mut report, 100) {
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Ok(0) => {}
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Ok(size) => publish(&ctx, &shared, layout, report.get(..size).unwrap_or_default()),
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Err(error) => {
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log::info!("3D mouse disconnected: {error}");
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break;
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}
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}
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}
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reset(&ctx, &shared);
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}
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std::thread::sleep(RETRY_AFTER);
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}
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}
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/// How the device packs its axes, from its report descriptor; the usual split layout if the
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/// descriptor cannot be read.
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#[cfg(target_os = "windows")]
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fn device_layout(device: &hidapi::HidDevice) -> Layout {
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let mut descriptor = [0_u8; hidapi::MAX_REPORT_DESCRIPTOR_SIZE];
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match device.get_report_descriptor(&mut descriptor) {
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Ok(size) => hid_descriptor::Descriptor::parse(descriptor.get(..size).unwrap_or_default()).layout(),
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Err(error) => {
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log::info!("3D mouse: no report descriptor, assuming separate translation and rotation reports: {error}");
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Layout::Split
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}
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}
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}
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/// Reads `/dev/hidrawN` with plain blocking reads, which end with an error when the device is
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/// unplugged. Opening needs permission: most distributions grant it to the logged-in user for
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/// devices that carry the `uaccess` udev tag, which a rule for the 3D mouse has to add.
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#[cfg(target_os = "linux")]
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fn reader(ctx: Context, shared: Arc<Mutex<Reading>>) {
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use std::io::Read;
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let mut denied = None;
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loop {
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if let Some(device) = hidraw::find() {
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match std::fs::File::open(&device.path) {
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Ok(mut file) => {
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denied = None;
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log::info!("3D mouse: reading {} ({:?} reports)", device.path.display(), device.layout);
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let mut report = [0_u8; 64];
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loop {
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match file.read(&mut report) {
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Ok(0) => break,
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Ok(size) => publish(&ctx, &shared, device.layout, report.get(..size).unwrap_or_default()),
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Err(error) if error.kind() == std::io::ErrorKind::Interrupted => {}
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Err(error) => {
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log::info!("3D mouse disconnected: {error}");
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break;
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}
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}
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}
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reset(&ctx, &shared);
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}
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// Say so once per device node, not every retry.
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Err(error) if denied.as_ref() != Some(&device.path) => {
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log::warn!("3D mouse: cannot open {}: {error}. A udev rule granting the logged-in user access is needed.", device.path.display());
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denied = Some(device.path);
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}
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Err(_) => {}
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}
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}
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std::thread::sleep(RETRY_AFTER);
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}
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}
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pub struct SpaceMouse {
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shared: Arc<Mutex<Reading>>,
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last_frame: Instant,
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driver_mapping: DriverMapping,
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mapping_checked_at: Instant,
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/// Drops 3DxWare's emulated wheel while the cap moves (#1380).
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wheel: WheelGuard,
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started: Instant,
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}
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impl SpaceMouse {
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pub fn start(ctx: &Context) -> Self {
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let now = Instant::now();
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let shared = Arc::new(Mutex::new(Reading::new(now)));
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let worker_state = Arc::clone(&shared);
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let worker_ctx = ctx.clone();
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if let Err(error) = std::thread::Builder::new().name("solidcraft-3d-mouse".into()).spawn(move || reader(worker_ctx, worker_state)) {
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log::warn!("3D mouse: reader could not start: {error}");
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}
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Self {
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shared,
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last_frame: now,
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driver_mapping: load_driver_mapping().unwrap_or_else(without_profile),
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mapping_checked_at: now,
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wheel: WheelGuard::default(),
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started: now,
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}
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}
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/// Before the app's own hook (which adds the control channel's events): with navigation on,
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/// the wheel events 3DxWare makes from the cap's motion are dropped.
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pub fn raw_input_hook(&mut self, enabled: bool, raw: &mut egui::RawInput) {
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if !enabled {
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return;
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}
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let now = Instant::now();
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let moving = self.shared.lock().map(|reading| reading.current(now).moving()).unwrap_or(false);
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self.wheel.filter(moving, now.duration_since(self.started).as_secs_f64(), &mut raw.events);
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}
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pub fn tick(&mut self, app: &mut SolveApp, ctx: &Context) {
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let now = Instant::now();
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let seconds = now.duration_since(self.last_frame).as_secs_f64();
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self.last_frame = now;
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if now.duration_since(self.mapping_checked_at) >= RETRY_AFTER {
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let updated = load_driver_mapping().unwrap_or_else(without_profile);
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if updated != self.driver_mapping {
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log::info!("3D mouse: applying updated 3DxWare axis profile");
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self.driver_mapping = updated;
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}
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self.mapping_checked_at = now;
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}
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let axes = match self.shared.lock() {
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Ok(reading) => reading.current(now),
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Err(_) => return,
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};
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navigate_frame(app, ctx, self.driver_mapping, axes, seconds);
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use solidcraft_ui_egui::space_mouse::{DeviceMotion, Motion};
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/// The logical axes a reading reaches. Logical Rz rolls the view and logical Ry turns it about
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/// its vertical (`navigation::device_camera` in solidcraft-ui-egui, tested there).
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fn rotation(mapping: DriverMapping, rotation: [i16; 3]) -> [f64; 3] {
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mapping.apply(Axes { translation: [0; 3], rotation }).rotation
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}
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#[test]
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fn decodes_separate_reports_without_stale_motion_or_padding_interference() {
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let now = Instant::now();
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let mut reading = Reading::new(now);
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assert!(!decode_report(&[1, 1, 2], Layout::Split, &mut reading, now));
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assert_eq!(reading.current(now), Axes::default());
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assert!(decode_report(&[1, 0x9c, 0xff, 0x2c, 0x01, 0, 0], Layout::Split, &mut reading, now));
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assert_eq!(reading.current(now).translation, [-100, 300, 0]);
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assert!(decode_report(&[2, 0, 0, 1, 0, 0xff, 0xff], Layout::Split, &mut reading, now));
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assert_eq!(reading.current(now).rotation, [0, 1, -1]);
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let later = now + STALE_AFTER + Duration::from_millis(1);
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assert_eq!(reading.current(later), Axes::default());
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assert!(decode_report(&[2, 4, 0, 5, 0, 6, 0], Layout::Split, &mut reading, later));
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assert!(decode_report(&[1, 1, 0, 2, 0, 3, 0, 0, 0, 0, 0, 0, 0], Layout::Split, &mut reading, later));
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assert_eq!(reading.current(later), Axes { translation: [1, 2, 3], rotation: [4, 5, 6] });
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}
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#[test]
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fn combined_report_one_carries_translation_and_rotation_together() {
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let now = Instant::now();
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let mut reading = Reading::new(now);
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// Report id 1, then X Y Z Rx Ry Rz as signed little-endian 16-bit values.
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let report = [1, 0x9c, 0xff, 0x2c, 0x01, 0, 0, 1, 0, 0, 0, 0xff, 0xff];
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assert!(decode_report(&report, Layout::Combined, &mut reading, now));
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assert_eq!(reading.current(now), Axes { translation: [-100, 300, 0], rotation: [1, 0, -1] });
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// The same bytes on a split device are only the translation report; its padding is not rotation.
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let mut split = Reading::new(now);
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assert!(decode_report(&report, Layout::Split, &mut split, now));
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assert_eq!(split.current(now), Axes { translation: [-100, 300, 0], rotation: [0; 3] });
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}
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#[test]
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fn combined_layout_ignores_short_and_other_reports() {
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let now = Instant::now();
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let mut reading = Reading::new(now);
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assert!(!decode_report(&[1, 1, 0, 2, 0, 3, 0], Layout::Combined, &mut reading, now));
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assert!(!decode_report(&[3, 1, 0, 0, 0, 0], Layout::Combined, &mut reading, now));
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assert!(!decode_report(&[], Layout::Combined, &mut reading, now));
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assert_eq!(reading.current(now), Axes::default());
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// Extra padding after the six values is fine.
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assert!(decode_report(&[1, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 0, 0], Layout::Combined, &mut reading, now));
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assert_eq!(reading.current(now), Axes { translation: [1, 2, 3], rotation: [4, 5, 6] });
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}
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#[test]
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fn applies_3dxware_axis_swaps_and_reversals() {
|
|
let profile = br#"
|
|
<AppCfg><Devices><Device><AxisBank>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_X</ActionID></Input><Output><ActionID>HIDMultiAxis_X</ActionID><Reversed>false</Reversed></Output></Axis>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_Y</ActionID></Input><Output><ActionID>HIDMultiAxis_Z</ActionID><Reversed>false</Reversed></Output></Axis>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_Z</ActionID></Input><Output><ActionID>HIDMultiAxis_Y</ActionID><Reversed>true</Reversed></Output></Axis>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_Rx</ActionID></Input><Output><ActionID>HIDMultiAxis_Rx</ActionID><Reversed>false</Reversed></Output></Axis>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_Ry</ActionID></Input><Output><ActionID>HIDMultiAxis_Rz</ActionID><Reversed>false</Reversed></Output></Axis>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_Rz</ActionID></Input><Output><ActionID>HIDMultiAxis_Ry</ActionID><Reversed>true</Reversed></Output></Axis>
|
|
</AxisBank></Device></Devices></AppCfg>
|
|
"#;
|
|
let mapping = parse_driver_mapping(profile).expect("valid 3DxWare profile");
|
|
let motion = mapping.apply(Axes { translation: [350, 0, 350], rotation: [350, 0, 350] });
|
|
assert_eq!(motion.translation, [1.0, -1.0, 0.0]);
|
|
assert_eq!(motion.rotation, [1.0, -1.0, 0.0]);
|
|
}
|
|
|
|
#[test]
|
|
fn without_a_profile_the_drivers_object_mode_axes_are_used() {
|
|
// 3DxWare's object-mode mapping, as a profile (#1172: confirmed on a SpaceMouse Compact).
|
|
let object_mode = br#"
|
|
<AppCfg><Devices><Device><AxisBank>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_X</ActionID></Input><Output><ActionID>HIDMultiAxis_X</ActionID><Reversed>false</Reversed></Output></Axis>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_Y</ActionID></Input><Output><ActionID>HIDMultiAxis_Y</ActionID><Reversed>false</Reversed></Output></Axis>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_Z</ActionID></Input><Output><ActionID>HIDMultiAxis_Z</ActionID><Reversed>false</Reversed></Output></Axis>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_Rx</ActionID></Input><Output><ActionID>HIDMultiAxis_Rx</ActionID><Reversed>false</Reversed></Output></Axis>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_Ry</ActionID></Input><Output><ActionID>HIDMultiAxis_Rz</ActionID><Reversed>true</Reversed></Output></Axis>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_Rz</ActionID></Input><Output><ActionID>HIDMultiAxis_Ry</ActionID><Reversed>true</Reversed></Output></Axis>
|
|
</AxisBank></Device></Devices></AppCfg>
|
|
"#;
|
|
let profile = parse_driver_mapping(object_mode).expect("valid 3DxWare profile");
|
|
// On every platform (#1172 on Linux, #1380 on Windows).
|
|
assert_eq!(without_profile(), profile);
|
|
// Tilting the cap rolls the view and twisting it spins it, as with the driver.
|
|
assert_eq!(rotation(without_profile(), [0, 350, 0]), [0.0, 0.0, -1.0]);
|
|
assert_eq!(rotation(without_profile(), [0, 0, 350]), [0.0, -1.0, 0.0]);
|
|
}
|
|
|
|
#[test]
|
|
fn mapped_roll_and_spin_reach_the_roll_and_turn_axes() {
|
|
let profile = br#"
|
|
<AppCfg><Devices><Device><AxisBank>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_Ry</ActionID></Input><Output><ActionID>HIDMultiAxis_Rz</ActionID><Reversed>false</Reversed></Output></Axis>
|
|
<Axis><Enabled>true</Enabled><Input><ActionID>HIDMultiAxis_Rz</ActionID></Input><Output><ActionID>HIDMultiAxis_Ry</ActionID><Reversed>true</Reversed></Output></Axis>
|
|
</AxisBank></Device></Devices></AppCfg>
|
|
"#;
|
|
let mapping = parse_driver_mapping(profile).expect("valid 3DxWare profile");
|
|
// The physical roll reaches the roll axis only, and the physical spin the turn only.
|
|
assert_eq!(rotation(mapping, [0, 350, 0]), [0.0, 0.0, 1.0]);
|
|
assert_eq!(rotation(mapping, [0, 0, 350]), [0.0, -1.0, 0.0]);
|
|
}
|
|
|
|
#[test]
|
|
fn each_frame_hands_the_view_its_motion_through_the_drivers_mapping() {
|
|
// The reader's latest tilt, and a profile that makes tilt roll: the frame's motion rolls.
|
|
let now = Instant::now();
|
|
let mut reading = Reading::new(now);
|
|
reading.axes.rotation = [0, 350, 0];
|
|
let mut mouse = SpaceMouse {
|
|
shared: Arc::new(Mutex::new(reading)),
|
|
last_frame: now - Duration::from_millis(20),
|
|
driver_mapping: DriverMapping::object_mode(),
|
|
mapping_checked_at: now,
|
|
wheel: WheelGuard::default(),
|
|
started: now,
|
|
};
|
|
let mut app = SolveApp::new(solidcraft_engine::Session::default(), solidcraft_ui_egui::Services::default());
|
|
app.home.open = false;
|
|
mouse.tick(&mut app, &Context::default());
|
|
let DeviceMotion { motion, seconds } = app.viewport.device_motion.expect("the frame hands the page its motion");
|
|
assert_eq!(motion, Motion { translation: [0.0; 3], rotation: [0.0, 0.0, -1.0] });
|
|
assert!(seconds > 0.0);
|
|
}
|
|
|
|
fn wheel() -> egui::Event {
|
|
egui::Event::MouseWheel {
|
|
unit: egui::MouseWheelUnit::Line,
|
|
delta: egui::vec2(0.0, -1.0),
|
|
modifiers: Default::default(),
|
|
phase: egui::TouchPhase::Move,
|
|
}
|
|
}
|
|
|
|
fn mouse(reading: Reading) -> SpaceMouse {
|
|
let now = Instant::now();
|
|
SpaceMouse {
|
|
shared: Arc::new(Mutex::new(reading)),
|
|
last_frame: now,
|
|
driver_mapping: DriverMapping::object_mode(),
|
|
mapping_checked_at: now,
|
|
wheel: WheelGuard::default(),
|
|
started: now,
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn the_wheel_3dxware_makes_from_the_cap_is_dropped() {
|
|
// The cap tilted forward: 3DxWare also sends wheel turns (#1380). They are dropped.
|
|
let now = Instant::now();
|
|
let mut tilted = Reading::new(now);
|
|
tilted.axes.rotation = [-200, 0, 0];
|
|
let mut moving = mouse(tilted);
|
|
let mut raw = egui::RawInput { events: vec![wheel(), egui::Event::Zoom(1.1), egui::Event::Text("a".into())], ..Default::default() };
|
|
moving.raw_input_hook(true, &mut raw);
|
|
assert_eq!(raw.events, [egui::Event::Text("a".into())]);
|
|
// With navigation off, the wheel is the cap's only way to move the view: kept.
|
|
let mut raw = egui::RawInput { events: vec![wheel()], ..Default::default() };
|
|
moving.raw_input_hook(false, &mut raw);
|
|
assert_eq!(raw.events.len(), 1);
|
|
// The cap at rest: the wheel is the user's.
|
|
let mut resting = mouse(Reading::new(now));
|
|
let mut raw = egui::RawInput { events: vec![wheel()], ..Default::default() };
|
|
resting.raw_input_hook(true, &mut raw);
|
|
assert_eq!(raw.events.len(), 1);
|
|
}
|
|
|
|
#[test]
|
|
fn the_wheel_is_the_users_again_once_the_cap_has_been_still_a_moment() {
|
|
let mut tilted = Reading::new(Instant::now());
|
|
tilted.axes.rotation = [-200, 0, 0];
|
|
let mut cap = mouse(tilted);
|
|
let mut raw = egui::RawInput { events: vec![wheel()], ..Default::default() };
|
|
cap.raw_input_hook(true, &mut raw);
|
|
assert!(raw.events.is_empty(), "dropped while the cap moves");
|
|
// Let go, then wait out the quiet time.
|
|
if let Ok(mut reading) = cap.shared.lock() {
|
|
*reading = Reading::new(Instant::now());
|
|
}
|
|
std::thread::sleep(Duration::from_secs_f64(solidcraft_ui_egui::space_mouse::WHEEL_QUIET_S) + Duration::from_millis(60));
|
|
let mut raw = egui::RawInput { events: vec![wheel()], ..Default::default() };
|
|
cap.raw_input_hook(true, &mut raw);
|
|
assert_eq!(raw.events.len(), 1, "kept once the cap has been still");
|
|
}
|
|
}
|