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OneCAD/apps/solidcraft/src/main.rs
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bherbruckandClaude Opus 5.5 d4a7b3abf3 Update now: download, verify and install a release in one click (#1118) 
Where SolidCraft can replace itself safely, the Update window gets Update now:
- AppImage: the new AppImage is downloaded next to the old one, verified and renamed over
  it; Restart now starts it as SolidCraft exits.
- Windows MSI: the verified .msi starts (msiexec /i … /passive) once SolidCraft has closed,
  after the usual questions about unsaved designs.
- Windows portable zip / standalone exe: the running solidcraft.exe is renamed to .old, the
  new one takes its name (solidcraft-cli.exe too), Restart now; .old goes at the next start.
- macOS: the verified .dmg is opened (the app is ad-hoc signed and not notarized, so it isn't
  replaced behind the user's back).
- Flatpak, Snap, deb, rpm, tar.gz: never replaced; the window shows the command.

Every package's SHA-256 must match the release's SHA256SUMS.txt (HTTPS, same release); a
mismatch deletes the download and changes nothing. With PUBLIC_KEY set in update/install.rs,
SHA256SUMS.txt.minisig must also verify (minisign-verify, MIT) with a trusted comment naming
the release. release.yml signs the list when the UPDATE_SIGNING_KEY secret exists and fails
when the app expects signatures but the secret is missing; docs/releasing.md has the steps.

Co-authored-by: Claude Opus 5.5 <[email protected]>
2026-10-14 11:05:40 -04:00

543 lines
25 KiB
Rust
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//! SolidCraft desktop app.
//!
//! Usage: `solidcraft [--control <port>] [--sample] [--crash-log] [design.solidcraft | part.step]`
//!
//! A `.step`/`.stp` file opens as a new design holding the file's bodies (an Import feature); a
//! `.3mf`/`.stl` file as a new design holding mesh bodies.
//!
//! `--control <port>` (or `SOLIDCRAFT_CONTROL_PORT`) starts a localhost JSON-lines control
//! server: `{"id":1,"method":"engine.execute","params":{"command":"solid.box","params":{…}}}`.
//! See `solidcraft_ui_egui::control` and docs/control-protocol.md.
#![cfg_attr(all(target_os = "windows", not(debug_assertions)), windows_subsystem = "windows")]
#![deny(clippy::unwrap_used, clippy::expect_used, clippy::panic, clippy::unimplemented, clippy::todo, clippy::unreachable)]
#![deny(unsafe_code)]
#[cfg(not(target_os = "macos"))]
#[path = "../../../assets/icons/app/shared/source/app_icon.rs"]
mod app_icon;
mod control_server;
#[cfg(target_os = "macos")]
mod open_documents;
#[cfg(any(target_os = "windows", target_os = "linux"))]
mod space_mouse;
use solidcraft_engine::{Session, io};
use solidcraft_ui_egui::{Services, SolveApp};
struct App {
solve: SolveApp,
#[cfg(any(target_os = "windows", target_os = "linux"))]
space_mouse: space_mouse::SpaceMouse,
}
impl eframe::App for App {
fn logic(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
// The design on screen is the one whose commands a crash report replays.
self.solve.session.crash_journal = solidcraft_engine::crash::enabled();
// The OS closing the window (Alt+F4, Cmd+Q, the window manager): ask about unsaved
// designs first; the window closes once they are answered (`quit_requested`).
if ctx.input(|i| i.viewport().close_requested()) && !self.solve.quit_requested {
ctx.send_viewport_cmd(egui::ViewportCommand::CancelClose);
solidcraft_ui_egui::documents::request_quit(&mut self.solve);
}
#[cfg(target_os = "macos")]
for f in open_documents::take() {
self.solve.open_path_async(&f);
}
self.solve.logic(ctx);
#[cfg(any(target_os = "windows", target_os = "linux"))]
self.space_mouse.tick(&mut self.solve, ctx);
if self.solve.quit_requested {
ctx.send_viewport_cmd(egui::ViewportCommand::Close);
}
}
fn raw_input_hook(&mut self, _ctx: &egui::Context, raw: &mut egui::RawInput) {
self.solve.raw_input_hook(raw);
}
fn ui(&mut self, ui: &mut egui::Ui, _frame: &mut eframe::Frame) {
self.solve.ui(ui);
}
fn save(&mut self, storage: &mut dyn eframe::Storage) {
storage.set_string(solidcraft_ui_egui::prefs::STORAGE_KEY, self.solve.prefs());
}
fn on_exit(&mut self) {
solidcraft_ui_egui::recovery_ui::close(&mut self.solve);
solidcraft_engine::crash::end_session();
// An update asked to restart into the new version or to run its installer.
if let Some((program, args)) = solidcraft_ui_egui::update::take_launch(&mut self.solve)
&& let Err(e) = std::process::Command::new(&program).args(&args).spawn()
{
log::error!("update: starting {}: {e}", program.display());
}
}
}
fn services() -> Services {
Services {
pick_open: Some(Box::new(|| {
rfd::FileDialog::new()
.add_filter(
"Designs, STEP, IGES and meshes",
&[
io::DESIGN_EXT,
io::LEGACY_DESIGN_EXT,
"json",
"step",
"stp",
"STEP",
"STP",
"igs",
"iges",
"IGS",
"IGES",
"3mf",
"3MF",
"stl",
"STL",
],
)
.add_filter("SolidCraft design (container or JSON)", &[io::DESIGN_EXT, io::LEGACY_DESIGN_EXT, "json"])
.add_filter("STEP", &["step", "stp", "STEP", "STP"])
.add_filter("IGES", &["igs", "iges", "IGS", "IGES"])
.add_filter("Mesh (3MF, STL)", &["3mf", "3MF", "stl", "STL"])
.add_filter("Sketch drawings (DXF, SVG)", &["dxf", "DXF", "svg", "SVG"])
.add_filter("All files", &["*"])
.pick_file()
.map(|p| p.to_string_lossy().to_string())
})),
pick_save: Some(Box::new(|name: &str, exts: &[&str]| {
let dialog = rfd::FileDialog::new().set_file_name(name);
let dialog = if exts == [io::DESIGN_EXT, "json"] {
if name.ends_with(".json") {
dialog.add_filter("Plain JSON design", &["json"]).add_filter("SolidCraft container", &[io::DESIGN_EXT])
} else {
dialog.add_filter("SolidCraft container", &[io::DESIGN_EXT]).add_filter("Plain JSON design", &["json"])
}
} else {
dialog.add_filter("File", exts)
};
dialog.save_file().map(|p| p.to_string_lossy().to_string())
})),
graphics_path: graphics_path().map(|p| p.to_string_lossy().to_string()),
http_get: Some(std::sync::Arc::new(http_get)),
http_download: Some(std::sync::Arc::new(http_download)),
show_in_folder: Some(Box::new(|path| {
let folder = std::path::Path::new(path).parent().unwrap_or_else(|| std::path::Path::new("."));
let mut command = std::process::Command::new(if cfg!(target_os = "windows") {
"explorer"
} else if cfg!(target_os = "macos") {
"open"
} else {
"xdg-open"
});
command.arg(folder);
#[cfg(target_os = "windows")]
{
use std::os::windows::process::CommandExt;
command.creation_flags(0x08000000);
}
let _ = command.spawn();
})),
}
}
/// HTTPS GET for the update check (docs/updates.md): certificates from the operating system, a
/// 15 s limit, at most 1 MB, and no headers beyond what GitHub requires (a User-Agent without
/// the version or anything about this machine, and the API's media type).
fn http_get(url: &str) -> Result<Vec<u8>, solidcraft_ui_egui::update::FetchError> {
use solidcraft_ui_egui::update::FetchError;
let mut response = http_call(url, std::time::Duration::from_secs(15))?;
response.body_mut().with_config().limit(1 << 20).read_to_vec().map_err(|e| FetchError::Failed(e.to_string()))
}
/// HTTPS download of an update package to `to` (docs/updates.md), reporting progress; stops when
/// `progress` returns false. The caller verifies the file.
fn http_download(url: &str, to: &std::path::Path, progress: &dyn Fn(u64, Option<u64>) -> bool) -> Result<(), solidcraft_ui_egui::update::FetchError> {
use solidcraft_ui_egui::update::FetchError;
use std::io::{Read, Write};
let fail = |e: String| FetchError::Failed(e);
let mut response = http_call(url, std::time::Duration::from_secs(30 * 60))?;
let total = response.headers().get("content-length").and_then(|v| v.to_str().ok()).and_then(|v| v.parse::<u64>().ok());
let mut body = response.body_mut().with_config().limit(solidcraft_ui_egui::update::install::MAX_PACKAGE).reader();
let mut file = std::fs::File::create(to).map_err(|e| fail(format!("{}: {e}", to.display())))?;
let mut buf = vec![0u8; 1 << 16];
let mut done = 0u64;
loop {
let n = body.read(&mut buf).map_err(|e| fail(e.to_string()))?;
if n == 0 {
break;
}
file.write_all(buf.get(..n).unwrap_or_default()).map_err(|e| fail(format!("{}: {e}", to.display())))?;
done += n as u64;
if !progress(done, total) {
return Err(fail("cancelled".into()));
}
}
file.sync_all().map_err(|e| fail(format!("{}: {e}", to.display())))?;
Ok(())
}
/// One GET to GitHub: a 200 answer, or why not (rate limits included).
fn http_call(url: &str, timeout: std::time::Duration) -> Result<ureq::http::Response<ureq::Body>, solidcraft_ui_egui::update::FetchError> {
use solidcraft_ui_egui::update::FetchError;
use std::time::Duration;
let tls = ureq::tls::TlsConfig::builder()
.root_certs(ureq::tls::RootCerts::PlatformVerifier)
.unversioned_rustls_crypto_provider(std::sync::Arc::new(rustls::crypto::ring::default_provider()))
.build();
let agent: ureq::Agent = ureq::Agent::config_builder()
.tls_config(tls)
.https_only(true)
.http_status_as_error(false)
.timeout_global(Some(timeout))
.timeout_connect(Some(Duration::from_secs(5)))
.user_agent("SolidCraft-update-check")
.max_redirects(3)
.build()
.into();
let response = agent
.get(url)
.header("Accept", "application/vnd.github+json")
.header("X-GitHub-Api-Version", "2022-11-28")
.call()
.map_err(|e| FetchError::Failed(e.to_string()))?;
let status = response.status().as_u16();
let header = |k: &str| response.headers().get(k).and_then(|v| v.to_str().ok()).and_then(|v| v.trim().parse::<u64>().ok());
if status == 429 || (status == 403 && (header("x-ratelimit-remaining") == Some(0) || header("retry-after").is_some())) {
let now = std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH).map_or(0, |d| d.as_secs());
let retry_after_s = header("retry-after").or_else(|| header("x-ratelimit-reset").map(|reset| reset.saturating_sub(now))).unwrap_or(3600);
return Err(FetchError::RateLimited { retry_after_s });
}
if status != 200 {
return Err(FetchError::Failed(format!("GitHub answered HTTP {status}")));
}
Ok(response)
}
/// The per-user settings folder: eframe's storage (`app.ron`) and the anti-aliasing preference.
fn settings_dir() -> Option<std::path::PathBuf> {
eframe::storage_dir("SolidCraft")
}
/// The anti-aliasing preference, kept next to eframe's storage (it is needed before the
/// window opens).
fn graphics_path() -> Option<std::path::PathBuf> {
settings_dir().map(|d| d.join("graphics.json"))
}
/// Compatibility shim (docs/compatibility.md): on the first launch after the rename, copy the
/// settings of earlier releases into the new folder. They kept `graphics.json` (and, on Linux
/// and macOS, the recovery folder) under the old product name, and eframe's `app.ron` under the
/// window's old app id. In the Flatpak sandbox, releases before 0.8 kept everything under the
/// old app id's `~/.var/app` folder; that copy comes first, as it is the newest. The old folders
/// are never changed.
fn adopt_legacy_settings() {
let (Some(current), Some(legacy)) = (settings_dir(), eframe::storage_dir("SolveCraft")) else { return };
let legacy_eframe = eframe::storage_dir(solidcraft_engine::io::LEGACY_APP_ID);
let old_flatpak = solidcraft_engine::io::legacy_flatpak_path(&current);
if let Err(e) = adopt_settings(&current, old_flatpak.as_deref(), &legacy, legacy_eframe.as_deref()) {
log::warn!("settings: could not copy the previous release's settings into {}: {e}", current.display());
}
}
fn adopt_settings(
current: &std::path::Path,
old_flatpak: Option<&std::path::Path>,
legacy: &std::path::Path,
legacy_eframe: Option<&std::path::Path>,
) -> std::io::Result<()> {
let fresh = !current.exists();
if let Some(old) = old_flatpak {
solidcraft_engine::io::adopt_legacy_dir(current, old)?;
}
solidcraft_engine::io::adopt_legacy_dir(current, legacy)?;
if let Some(old) = legacy_eframe.map(|d| d.join("app.ron")).filter(|p| fresh && p.is_file()) {
std::fs::create_dir_all(current)?;
let new = current.join("app.ron");
if !new.exists() {
std::fs::copy(old, new)?;
}
}
Ok(())
}
/// Anti-aliasing samples from Preferences (4 when unset).
fn msaa() -> u16 {
graphics_path()
.and_then(|p| std::fs::read_to_string(p).ok())
.and_then(|s| serde_json::from_str::<serde_json::Value>(&s).ok())
.and_then(|v| v.get("msaa").and_then(serde_json::Value::as_u64))
.and_then(|m| u16::try_from(m).ok())
.filter(|m| [1, 2, 4, 8].contains(m))
.unwrap_or(MSAA)
}
/// Windows and Linux: no OS title bar; the application bar is the title bar
/// (`solidcraft_ui_egui::titlebar`). macOS keeps its traffic lights over the integrated bar.
const CUSTOM_TITLEBAR: bool = !cfg!(target_os = "macos");
const DEPTH_BITS: u8 = 24;
/// The section cap marks where it shows in the stencil.
const STENCIL_BITS: u8 = 8;
const MSAA: u16 = 4;
fn app_viewport() -> Result<egui::ViewportBuilder, eframe::Error> {
// Let macOS use the bundle's layered icon; eframe's default bitmap would replace it.
#[cfg(target_os = "macos")]
let icon = egui::IconData::default();
#[cfg(not(target_os = "macos"))]
let icon =
egui::IconData { rgba: app_icon::rgba(64).map_err(|e| eframe::Error::AppCreation(std::io::Error::other(e).into()))?, width: 64, height: 64 };
Ok(egui::ViewportBuilder::default()
.with_title("SolidCraft")
.with_icon(icon)
.with_inner_size([1600.0, 1000.0])
.with_min_inner_size([960.0, 600.0])
.with_drag_and_drop(true)
.with_decorations(!CUSTOM_TITLEBAR)
.with_fullsize_content_view(true)
.with_titlebar_shown(false)
.with_title_shown(false)
.with_app_id(APP_ID))
}
/// The window's app id: it names the desktop entry, so it is the packages' reverse-DNS id.
const APP_ID: &str = solidcraft_engine::io::APP_ID;
fn main() -> eframe::Result {
adopt_legacy_settings();
let samples = msaa();
let mut control_port: Option<u16> = solidcraft_engine::geom::env::var("CONTROL_PORT").and_then(|p| p.parse().ok());
let mut files = Vec::new();
let mut sample = false;
let mut args = std::env::args().skip(1);
while let Some(a) = args.next() {
match a.as_str() {
"--control" => control_port = args.next().and_then(|p| p.parse().ok()),
"--sample" => sample = true,
"--version" | "-V" => {
println!("solidcraft {}", env!("CARGO_PKG_VERSION"));
return Ok(());
}
"--crash-log" => {
match solidcraft_engine::crash::default_dir() {
Some(dir) => {
println!("crash reports: {}", dir.display());
for r in solidcraft_engine::crash::list(&dir).iter().take(5) {
println!(" {} {} {}", r.id, r.kind, r.message);
}
println!("more: solidcraft-cli crashes");
}
None => println!("no crash folder on this system"),
}
return Ok(());
}
"--help" | "-h" => {
println!("usage: solidcraft [--control PORT] [--sample] [--crash-log] [design.solidcraft | part.step]");
return Ok(());
}
_ => files.push(a),
}
}
// Crashes leave a report in the crash folder (solidcraft_engine::crash, docs/crash-reports.md).
let crashed = solidcraft_engine::crash::default_dir()
.map(|dir| {
let build = solidcraft_engine::crash::Build {
version: solidcraft_ui_egui::help::VERSION,
commit: solidcraft_ui_egui::help::COMMIT,
built: solidcraft_ui_egui::help::BUILD_DATE,
};
solidcraft_engine::crash::install(dir, build)
})
.unwrap_or_default();
let options = eframe::NativeOptions {
viewport: app_viewport()?,
depth_buffer: DEPTH_BITS,
stencil_buffer: STENCIL_BITS,
multisampling: samples,
// Kept with the other settings, not in a folder named after the app id.
persistence_path: settings_dir().map(|d| d.join("app.ron")),
..Default::default()
};
#[cfg(all(unix, not(target_os = "macos")))]
let mut options = options;
#[cfg(all(unix, not(target_os = "macos")))]
if prefer_x11(
std::env::var_os("DISPLAY").is_some(),
std::env::var_os("WAYLAND_DISPLAY").is_some(),
std::env::var("XDG_CURRENT_DESKTOP").ok().as_deref(),
solidcraft_engine::geom::env::var("WAYLAND").as_deref(),
) {
options.event_loop_builder = Some(Box::new(|b| {
use winit::platform::x11::EventLoopBuilderExtX11;
b.with_x11();
}));
}
// Files opened from Finder and the Dock arrive as events, not arguments.
#[cfg(target_os = "macos")]
open_documents::install();
let result = eframe::run_native(
"SolidCraft",
options,
Box::new(move |cc| {
solidcraft_ui_egui::fonts::setup_fonts(&cc.egui_ctx);
let mut app = SolveApp::new(Session::default(), services());
app.custom_titlebar = CUSTOM_TITLEBAR;
app.integrated_titlebar = cfg!(target_os = "macos");
if let Some(p) = cc.storage.and_then(|s| solidcraft_ui_egui::prefs::stored(|k| s.get_string(k))) {
app.load_prefs(&p);
}
if let Some(rs) = &cc.wgpu_render_state {
eprintln!("SolidCraft graphics: {:?}, MSAA {}x (requested {}x)", rs.adapter.get_info().backend, rs.msaa_samples, samples);
app.set_wgpu(rs, DEPTH_BITS, STENCIL_BITS, rs.msaa_samples);
// A saved anti-aliasing the device can't do: back to the default, with a notice.
solidcraft_ui_egui::prefs::check_msaa(&mut app, u32::from(samples));
let info = rs.adapter.get_info();
solidcraft_engine::crash::set_environment(&format!(
"Renderer: {:?} {} ({}), MSAA {}x",
info.backend, info.name, info.driver, rs.msaa_samples
));
}
if let Some(port) = control_port {
let rx = control_server::start(port, cc.egui_ctx.clone());
app = app.with_control(rx);
}
if sample {
if let Err(e) = app.session.run_script(&solidcraft_engine::sample::script()) {
app.set_status(format!("sample: {e}"), true);
}
app.session.doc_mut().name = "Sample Plate".into();
app.session.mark_saved();
app.session.undo.clear();
}
// A launch from Finder: its files arrived before the window.
#[cfg(target_os = "macos")]
let files = {
open_documents::set_ui(&cc.egui_ctx);
[files, open_documents::take()].concat()
};
for f in &files {
app.open_path_async(f);
}
// No design given: the start page (not when driven over the control channel, whose
// clients expect the design view; `ui.home` shows it there).
if files.is_empty() && !sample && control_port.is_none() {
let rev = app.session.revision;
app.home.show(rev);
}
// Autosave, and offer what crashed sessions left behind.
if let Some(dir) = solidcraft_engine::recovery::default_dir() {
let every = if app.autosave_minutes > 0.0 { app.autosave_minutes * 60.0 } else { f64::MAX / 4.0 };
solidcraft_ui_egui::recovery_ui::start(&mut app, &dir, std::time::Duration::from_secs_f64(every.min(1e9)));
}
// Tell the user about crashes since the last start (after the recovery offer is set up).
solidcraft_ui_egui::crash_ui::announce(&mut app, &crashed);
#[cfg(any(target_os = "windows", target_os = "linux"))]
let space_mouse = space_mouse::SpaceMouse::start(&cc.egui_ctx);
Ok(Box::new(App {
solve: app,
#[cfg(any(target_os = "windows", target_os = "linux"))]
space_mouse,
}))
}),
);
control_server::remove_token_file();
result
}
/// Whether to run through XWayland rather than native Wayland. winit has no file drag-and-drop
/// on Wayland (only on X11), so dropping files from the file manager showed a "no" cursor: use
/// XWayland when it's there. Except on niri, whose XWayland (xwayland-satellite) breaks window
/// management (maximize/restore), so it stays on native Wayland and gives up file drops.
/// `SOLIDCRAFT_WAYLAND=1` keeps native Wayland, `SOLIDCRAFT_WAYLAND=0` forces XWayland.
#[cfg(all(unix, not(target_os = "macos")))]
fn prefer_x11(display: bool, wayland_display: bool, desktop: Option<&str>, wayland_override: Option<&str>) -> bool {
match wayland_override.map(str::trim) {
Some("0") => return display,
Some(_) => return false,
None => {}
}
let niri = desktop.is_some_and(|d| d.split(':').any(|name| name.trim().eq_ignore_ascii_case("niri")));
display && !(niri && wayland_display)
}
#[cfg(all(test, unix, not(target_os = "macos")))]
mod backend_tests {
use super::prefer_x11;
#[test]
fn xwayland_by_default_native_wayland_on_niri_and_the_override_wins() {
// XWayland whenever there's an X display, for file drag-and-drop.
assert!(prefer_x11(true, true, Some("GNOME"), None));
assert!(prefer_x11(true, false, None, None));
assert!(!prefer_x11(false, true, Some("KDE"), None));
// niri (alone or in a desktop list) under Wayland stays native.
assert!(!prefer_x11(true, true, Some("niri"), None));
assert!(!prefer_x11(true, true, Some("niri:GNOME"), None));
// niri without a Wayland socket (nested X session) still uses X11.
assert!(prefer_x11(true, false, Some("niri"), None));
// SOLIDCRAFT_WAYLAND: anything but 0 keeps Wayland, 0 forces XWayland (when present).
assert!(!prefer_x11(true, true, Some("GNOME"), Some("1")));
assert!(!prefer_x11(true, true, Some("GNOME"), Some("")));
assert!(prefer_x11(true, true, Some("niri"), Some("0")));
assert!(!prefer_x11(false, true, Some("niri"), Some("0")));
}
}
#[cfg(test)]
mod icon_tests {
#[cfg(target_os = "macos")]
#[test]
fn macos_preserves_the_bundle_icon_instead_of_setting_a_runtime_bitmap() {
let viewport = super::app_viewport().expect("viewport");
assert_eq!(viewport.icon.as_deref(), Some(&eframe::egui::IconData::default()));
assert_eq!(viewport.app_id.as_deref(), Some(super::APP_ID));
}
#[cfg(not(target_os = "macos"))]
#[test]
fn desktop_viewport_supplies_the_original_mark_to_the_window() {
let viewport = super::app_viewport().expect("viewport");
let icon = viewport.icon.expect("running window must have an icon");
assert_eq!((icon.width, icon.height), (64, 64));
assert_eq!(icon.rgba, super::app_icon::rgba(64).expect("original mark"));
assert_eq!(viewport.app_id.as_deref(), Some(super::APP_ID));
}
}
#[cfg(test)]
mod msaa_tests {
#[test]
fn first_launch_adopts_the_previous_release_settings() {
let d = std::env::temp_dir().join(format!("solidcraft-adopt-settings-{}", std::process::id()));
let _ = std::fs::remove_dir_all(&d);
let (current, legacy, legacy_eframe) = (d.join("solidcraft"), d.join("solvecraft"), d.join("ai.storyteller.solvecraft"));
std::fs::create_dir_all(&legacy).unwrap();
std::fs::create_dir_all(&legacy_eframe).unwrap();
std::fs::write(legacy.join("graphics.json"), r#"{"msaa":8}"#).unwrap();
std::fs::write(legacy_eframe.join("app.ron"), "(prefs)").unwrap();
super::adopt_settings(&current, None, &legacy, Some(&legacy_eframe)).unwrap();
assert_eq!(std::fs::read_to_string(current.join("graphics.json")).unwrap(), r#"{"msaa":8}"#);
assert_eq!(std::fs::read_to_string(current.join("app.ron")).unwrap(), "(prefs)");
assert!(legacy.join("graphics.json").is_file() && legacy_eframe.join("app.ron").is_file());
// Later launches leave the current settings alone.
std::fs::write(current.join("app.ron"), "(mine)").unwrap();
std::fs::remove_file(current.join("graphics.json")).unwrap();
super::adopt_settings(&current, None, &legacy, Some(&legacy_eframe)).unwrap();
assert_eq!(std::fs::read_to_string(current.join("app.ron")).unwrap(), "(mine)");
assert!(!current.join("graphics.json").exists());
let _ = std::fs::remove_dir_all(&d);
}
#[test]
fn saved_multisampling_uses_the_selected_backend_policy() {
use eframe::wgpu::Backend;
for requested in [1, 2, 4, 8] {
assert_eq!(eframe::egui_wgpu::effective_msaa_samples(Backend::Gl, requested), 1);
for backend in [Backend::Vulkan, Backend::Dx12, Backend::Metal] {
assert_eq!(eframe::egui_wgpu::effective_msaa_samples(backend, requested), requested);
}
}
}
}
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