Mateusz SychandMateuszSychXpl
c599238653
* claim: #1801 * Insert SVG: the file picker opens on SVG files (#1801) Every Open went through one host picker whose filters start with designs, CAD files and meshes, so Insert SVG (and Insert DXF) in a sketch opened on STEP, IGES and meshes, and the SVG file had to be found under another filter. The host's pick_open now takes the extensions the command reads and offers them as the picker's first, default filter. Insert SVG and Insert DXF pass their type; every other Open passes none and keeps the list it had. The browser host ignores them (it shows its own file panel). --------- Co-authored-by: MateuszSychXpl <[email protected]>
556 lines
26 KiB
Rust
556 lines
26 KiB
Rust
//! SolidCraft in the browser.
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//!
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//! Runs the same [`solidcraft_ui_egui::SolveApp`] as the desktop app through eframe's web runner
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//! (wgpu: WebGPU where available, WebGL2 otherwise). Build with `trunk build --release` from this
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//! directory (output in `dist/web`). URL flags: `?webgl` forces WebGL2 (remembered until
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//! `?webgpu`), `?sample` opens the sample part.
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#![deny(clippy::unwrap_used, clippy::expect_used, clippy::panic, clippy::unimplemented, clippy::todo, clippy::unreachable)]
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#[cfg(target_arch = "wasm32")]
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mod files;
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#[cfg(target_arch = "wasm32")]
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mod install;
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#[cfg(any(target_arch = "wasm32", test))]
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mod space_mouse;
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#[cfg(target_arch = "wasm32")]
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mod web {
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use std::rc::Rc;
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use solidcraft_engine::Session;
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use solidcraft_engine::io::vfs;
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use solidcraft_ui_egui::{Services, SolveApp};
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use wasm_bindgen::JsCast as _;
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use crate::files::{self, Files, Intent};
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use crate::space_mouse::SpaceMouse;
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const CANVAS_ID: &str = "solidcraft_canvas";
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const LOADING_ID: &str = "solidcraft_loading";
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/// A 32-bit float depth buffer (no stencil): WebGPU and WebGL2 both have it, and the viewport
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/// draws it with reversed depth, whose precision follows the distance from the eye (#1434).
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const DEPTH_BITS: u8 = 32;
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/// Seconds between autosaves of unsaved work.
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const AUTOSAVE_S: f64 = 30.0;
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thread_local! {
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/// An open design has unsaved changes: leaving the page asks first.
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static UNSAVED: std::cell::Cell<bool> = const { std::cell::Cell::new(false) };
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}
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/// The browser's "leave site? changes you made may not be saved" prompt while a design has
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/// unsaved changes (the page can't show its own dialog when it is being closed).
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fn ask_before_unload(window: &web_sys::Window) {
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let on_unload = wasm_bindgen::closure::Closure::<dyn FnMut(web_sys::BeforeUnloadEvent)>::new(|e: web_sys::BeforeUnloadEvent| {
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if UNSAVED.with(std::cell::Cell::get) {
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e.prevent_default();
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e.set_return_value("unsaved");
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}
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});
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let _ = window.add_event_listener_with_callback("beforeunload", on_unload.as_ref().unchecked_ref());
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// The listener lives as long as the page.
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on_unload.forget();
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}
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const JAPANESE_FONT_PATH: &str = "./fonts/BIZUDPGothic-Regular.ttf";
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type FontLoadResult = Rc<std::cell::RefCell<Option<Result<Vec<u8>, String>>>>;
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struct Shell {
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app: SolveApp,
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files: Rc<Files>,
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/// When the last autosave was (seconds), and the revision it holds (none stored: `None`).
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autosaved_at: f64,
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autosaved: Option<u64>,
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/// A stored design being renamed: (its name, the new name).
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renaming: Option<(String, String)>,
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/// The rename field takes the keyboard when it appears.
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rename_focus: bool,
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/// The start page's recent designs were filled from the stored ones.
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recents_synced: bool,
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/// On-demand CJK font: fetched only when a CJK language is selected.
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font: solidcraft_ui_egui::fonts::CjkFontLoader,
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font_result: FontLoadResult,
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space_mouse: SpaceMouse,
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}
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impl Shell {
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/// Files from the computer, writes to store, messages and the autosave.
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fn files_tick(&mut self, ctx: &egui::Context) {
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if self.files.ctx.borrow().is_none() {
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*self.files.ctx.borrow_mut() = Some(ctx.clone());
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}
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// A ready picker answer is consumed in app.logic later in this frame. Keep
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// incoming files queued until then so they cannot replace its target design.
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if self.app.file_picker_busy() {
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ctx.request_repaint();
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return;
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}
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files::flush(&self.files);
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for (text, error) in self.files.messages.borrow_mut().drain(..) {
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self.app.set_status(text, error);
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}
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let mut incoming: Vec<_> = self.files.incoming.borrow_mut().drain(..).collect();
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// A glTF file's buffers picked with it are kept next to it, not opened.
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incoming.retain_mut(|(name, bytes, _)| {
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let companion =
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std::path::Path::new(name.as_str()).extension().and_then(|e| e.to_str()).is_some_and(|e| e.eq_ignore_ascii_case("bin"));
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if companion {
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vfs::insert(&format!("{}{name}", files::UPLOAD), std::mem::take(bytes));
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}
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!companion
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});
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for (name, bytes, intent) in incoming {
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let design = solidcraft_engine::io::is_design_path(&name);
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let path = if design && intent == Intent::Open {
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// A design from the computer is kept in the browser (a copy), so Save works.
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let path = files::free_name(&name);
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if let Err(e) = vfs::write(&path, &bytes) {
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self.app.set_status(e.to_string(), true);
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}
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files::flush(&self.files);
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path
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} else {
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let path = format!("{}{name}", files::UPLOAD);
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vfs::insert(&path, bytes);
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path
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};
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match intent {
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Intent::Open => self.app.open_path(&path),
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Intent::Insert => self.app.drop_path(&path),
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}
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self.files.panel.set(false);
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}
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if self.files.ready.get() && !self.recents_synced {
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self.recents_synced = true;
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self.sync_recents();
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}
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let now = ctx.input(|i| i.time);
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// Unsaved work is kept (at most every AUTOSAVE_S); saved work needs no autosave.
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if self.files.ready.get() && self.files.recovery.borrow().is_none() {
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let s = &self.app.session;
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let changed = s.is_dirty() && self.autosaved != Some(s.revision);
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let wait = AUTOSAVE_S - (now - self.autosaved_at);
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if changed && wait <= 0.0 {
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files::autosave(&self.files, Some((&s.design(), s.path.as_deref())));
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self.autosaved = Some(s.revision);
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self.autosaved_at = now;
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} else if changed {
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// Come back for it even when nothing else happens.
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ctx.request_repaint_after(std::time::Duration::from_secs_f64(wait));
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} else if !s.is_dirty() && self.autosaved.is_some() {
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files::autosave(&self.files, None);
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self.autosaved = None;
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}
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}
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if !self.files.ready.get() || !self.files.incoming.borrow().is_empty() {
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ctx.request_repaint_after(std::time::Duration::from_millis(100));
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}
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}
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/// The start page's recent designs are the stored ones: the remembered order first (those
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/// still stored), then the others, newest first.
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fn sync_recents(&mut self) {
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let mut entries = self.files.entries.borrow().clone();
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entries.sort_by(|a, b| b.modified.total_cmp(&a.modified));
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let recent = &mut self.app.home.recent;
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recent.retain(|p| vfs::exists(p));
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for e in entries.iter().filter(|e| solidcraft_engine::io::is_design_path(&e.name)) {
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let p = format!("{}{}", files::OPFS, e.name);
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if !recent.contains(&p) {
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recent.push(p);
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}
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}
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recent.truncate(solidcraft_ui_egui::home::MAX_RECENT);
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}
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/// The stored designs: open, insert, rename, delete, download; open from the computer.
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fn file_panel(&mut self, ctx: &egui::Context) {
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if !self.files.panel.get() {
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return;
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}
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let mut open = true;
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let mut act: Option<(&'static str, String)> = None;
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egui::Window::new("Files in this browser")
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.open(&mut open)
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.collapsible(false)
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.resizable(true)
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.default_width(520.0)
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.pivot(egui::Align2::CENTER_CENTER)
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.default_pos(ctx.content_rect().center())
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.show(ctx, |ui| {
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ui.horizontal(|ui| {
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if ui.button("Open from computer…").clicked() {
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files::pick_from_disk(&self.files, Intent::Open);
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}
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if ui.button("Insert from computer…").on_hover_text("STEP, 3MF or STL into the open design").clicked() {
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files::pick_from_disk(&self.files, Intent::Insert);
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}
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if ui.button("Download open design").clicked() {
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act = Some(("download_open", String::new()));
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}
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});
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ui.separator();
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if !self.files.ready.get() {
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ui.horizontal(|ui| {
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ui.spinner();
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ui.label("Reading the browser's storage…");
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});
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return;
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}
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let entries = self.files.entries.borrow().clone();
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if entries.is_empty() {
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ui.label("Designs you save appear here. They stay in this browser.");
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}
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egui::ScrollArea::vertical().max_height(360.0).show(ui, |ui| {
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egui::Grid::new("opfs_files").num_columns(3).spacing([12.0, 6.0]).show(ui, |ui| {
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for e in &entries {
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match &mut self.renaming {
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Some((from, to)) if *from == e.name => {
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let r = ui.add(egui::TextEdit::singleline(to).desired_width(200.0));
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if std::mem::take(&mut self.rename_focus) {
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r.request_focus();
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}
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if r.lost_focus() {
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act = Some(if ui.input(|i| i.key_pressed(egui::Key::Enter)) {
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("rename", to.clone())
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} else {
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("rename_cancel", String::new())
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});
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}
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}
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_ => {
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ui.label(&e.name);
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}
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}
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ui.label(format!("{:.1} KB", e.size as f64 / 1024.0));
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ui.horizontal(|ui| {
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if ui.small_button("Open").clicked() {
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act = Some(("open", e.name.clone()));
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}
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let design = solidcraft_engine::io::is_design_path(&e.name);
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if !design && ui.small_button("Insert").on_hover_text("Into the open design (STEP, 3MF, STL)").clicked() {
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act = Some(("insert", e.name.clone()));
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}
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if ui.small_button("Rename").clicked() {
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self.renaming = Some((e.name.clone(), e.name.clone()));
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self.rename_focus = true;
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}
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if ui.small_button("Download").clicked() {
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act = Some(("download", e.name.clone()));
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}
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if ui.small_button("Delete").clicked() {
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act = Some(("delete", e.name.clone()));
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}
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});
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ui.end_row();
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}
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});
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});
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});
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if !open {
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self.files.panel.set(false);
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self.renaming = None;
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}
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let Some((what, name)) = act else { return };
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let path = format!("{}{name}", files::OPFS);
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match what {
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"open" => {
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self.app.open_path(&path);
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self.files.panel.set(false);
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}
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"insert" => {
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self.app.insert_path(&path);
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self.files.panel.set(false);
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}
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"download" => match vfs::read(&path, solidcraft_engine::io::MAX_DESIGN_BYTES) {
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Ok(b) => {
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if let Err(e) = files::download(&name, &b) {
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self.app.set_status(e, true);
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}
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}
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Err(e) => self.app.set_status(e.to_string(), true),
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},
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"download_open" => {
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let d = &self.app.session.doc;
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let result = self
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.app
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.session
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.design_container(solidcraft_engine::io::DesignCompression::Fast, false, false)
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.map_err(|e| e.to_string())
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.and_then(|bytes| files::download(&format!("{}.{}", d.name, solidcraft_engine::io::DESIGN_EXT), &bytes));
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if let Err(e) = result {
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self.app.set_status(e, true);
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}
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}
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"delete" => {
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files::delete(&self.files, &name);
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self.app.home.recent.retain(|r| *r != path);
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}
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"rename_cancel" => self.renaming = None,
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"rename" => {
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if let Some((from, _)) = self.renaming.take() {
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match files::rename(&self.files, &from, &name) {
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Ok(()) => {
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// Recent designs follow the new name.
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let (old, new) = (format!("{}{from}", files::OPFS), format!("{}{name}", files::OPFS));
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for r in &mut self.app.home.recent {
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if *r == old {
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*r = new.clone();
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}
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}
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}
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Err(e) => self.app.set_status(e, true),
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}
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}
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}
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_ => {}
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}
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}
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/// Offer the autosave an earlier session left.
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fn recovery_prompt(&mut self, ctx: &egui::Context) {
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let Some((name, path)) = self.files.recovery.borrow().clone() else { return };
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let mut answer = None;
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egui::Window::new("Recover unsaved work?").collapsible(false).resizable(false).anchor(egui::Align2::CENTER_CENTER, [0.0, 0.0]).show(
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ctx,
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|ui| {
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ui.label(format!("“{name}” had unsaved changes when this page last closed."));
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ui.horizontal(|ui| {
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if ui.button("Recover").clicked() {
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answer = Some(true);
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}
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if ui.button("Discard").clicked() {
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answer = Some(false);
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}
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});
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},
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);
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let Some(recover) = answer else { return };
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*self.files.recovery.borrow_mut() = None;
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if recover {
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self.app.open_path(&files::recovery_path());
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// It belongs to its own file again (saving goes there); it is unsaved.
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self.app.session.path = path;
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self.app.session.doc_mut().name = name;
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self.app.session.mark_unsaved();
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self.app.home.open = false;
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}
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files::autosave(&self.files, None);
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}
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/// Fetch and install the CJK font when a CJK language is selected. If that fails, this
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/// session falls back to English (no tofu); the saved language preference is kept.
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fn tick_font(&mut self, ctx: &egui::Context) {
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let done = self.font_result.borrow_mut().take();
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if let Some(res) = done {
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let installed = match res {
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Ok(bytes) => solidcraft_ui_egui::fonts::install_cjk_font(ctx, bytes),
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Err(err) => {
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log::warn!("failed to fetch CJK font from {JAPANESE_FONT_PATH}: {err}");
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false
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}
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};
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if installed {
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log::info!("loaded web CJK font from {JAPANESE_FONT_PATH}");
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} else if solidcraft_ui_egui::fonts::needs_cjk_font(&self.app.preferences.language) {
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log::warn!("CJK font unavailable; showing English for this session");
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}
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self.font.finished(installed, &mut self.app.preferences.language);
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ctx.request_repaint();
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}
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if self.font.tick(&mut self.app.preferences.language) {
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self.fetch_font(ctx);
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}
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}
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/// CJK text on screen with no CJK font yet (an English UI showing a Japanese name):
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/// fetch the font, so the text does not stay tofu (#720).
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fn watch_text_for_font(&mut self, ctx: &egui::Context) {
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if self.font.watching_text() && solidcraft_ui_egui::fonts::painted_cjk(ctx) && self.font.text_needs_font() {
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self.fetch_font(ctx);
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}
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}
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fn fetch_font(&self, ctx: &egui::Context) {
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let slot = self.font_result.clone();
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let ctx = ctx.clone();
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wasm_bindgen_futures::spawn_local(async move {
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let res = fetch_font_bytes(JAPANESE_FONT_PATH).await;
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*slot.borrow_mut() = Some(res);
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ctx.request_repaint();
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});
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}
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}
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impl eframe::App for Shell {
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fn logic(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
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self.tick_font(ctx);
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self.app.logic(ctx);
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self.space_mouse.logic(&mut self.app, ctx);
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self.files_tick(ctx);
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UNSAVED.with(|u| u.set(solidcraft_ui_egui::documents::any_dirty(&self.app)));
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}
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fn raw_input_hook(&mut self, ctx: &egui::Context, raw: &mut egui::RawInput) {
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files::take_drops(&self.files, raw);
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// Before the app's own hook, which adds the control channel's events.
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self.space_mouse.raw_input_hook(ctx, self.app.preferences.space_mouse_enabled, raw);
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self.app.raw_input_hook(raw);
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}
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fn ui(&mut self, ui: &mut egui::Ui, _frame: &mut eframe::Frame) {
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self.app.ui(ui);
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let ctx = ui.ctx().clone();
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self.file_panel(&ctx);
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self.recovery_prompt(&ctx);
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self.watch_text_for_font(&ctx);
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}
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fn save(&mut self, storage: &mut dyn eframe::Storage) {
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// Persist the user's own language, not a session-only English fallback.
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let saved = self.font.persisted_language(&self.app.preferences.language).to_owned();
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let live = std::mem::replace(&mut self.app.preferences.language, saved);
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storage.set_string(solidcraft_ui_egui::prefs::STORAGE_KEY, self.app.prefs());
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self.app.preferences.language = live;
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}
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}
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fn query() -> String {
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web_sys::window().and_then(|w| w.location().search().ok()).unwrap_or_default()
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}
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/// Where `?webgl` is remembered. The installed app starts from its manifest's start URL, which
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/// has no query, so the choice has to outlive the page it was made on.
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const WEBGL_KEY: &str = "solidcraft.webgl";
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/// Render with WebGL2: asked for now (`?webgl`, remembered) or before (until `?webgpu`).
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fn webgl() -> bool {
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let storage = web_sys::window().and_then(|w| w.local_storage().ok().flatten());
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let q = query();
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if q.contains("webgl") {
|
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if let Some(s) = &storage {
|
|
let _ = s.set_item(WEBGL_KEY, "1");
|
|
}
|
|
return true;
|
|
}
|
|
if q.contains("webgpu") {
|
|
if let Some(s) = &storage {
|
|
let _ = s.remove_item(WEBGL_KEY);
|
|
}
|
|
return false;
|
|
}
|
|
storage.and_then(|s| s.get_item(WEBGL_KEY).ok().flatten()).is_some()
|
|
}
|
|
|
|
/// Fetch font bytes asynchronously through the browser.
|
|
async fn fetch_font_bytes(url: &str) -> Result<Vec<u8>, String> {
|
|
let window = web_sys::window().ok_or("no window")?;
|
|
let resp_val = wasm_bindgen_futures::JsFuture::from(window.fetch_with_str(url)).await.map_err(|e| format!("{e:?}"))?;
|
|
let resp: web_sys::Response = resp_val.dyn_into().map_err(|_| "response cast failed")?;
|
|
if !resp.ok() {
|
|
return Err(format!("HTTP {}", resp.status()));
|
|
}
|
|
let ab_val = wasm_bindgen_futures::JsFuture::from(resp.array_buffer().map_err(|e| format!("{e:?}"))?).await.map_err(|e| format!("{e:?}"))?;
|
|
let uint8_arr = js_sys::Uint8Array::new(&ab_val);
|
|
Ok(uint8_arr.to_vec())
|
|
}
|
|
|
|
pub fn start() {
|
|
eframe::WebLogger::init(log::LevelFilter::Info).ok();
|
|
wasm_bindgen_futures::spawn_local(async {
|
|
let Some(window) = web_sys::window() else { return };
|
|
ask_before_unload(&window);
|
|
let Some(document) = window.document() else { return };
|
|
let Some(canvas) = document.get_element_by_id(CANVAS_ID).and_then(|e| e.dyn_into::<web_sys::HtmlCanvasElement>().ok()) else {
|
|
log::error!("missing <canvas id=\"{CANVAS_ID}\">");
|
|
return;
|
|
};
|
|
let mut options = eframe::WebOptions { depth_buffer: DEPTH_BITS, ..Default::default() };
|
|
if webgl()
|
|
&& let eframe::egui_wgpu::WgpuSetup::CreateNew(create) = &mut options.wgpu_options.wgpu_setup
|
|
{
|
|
create.instance_descriptor.backends = eframe::wgpu::Backends::GL;
|
|
}
|
|
let result = eframe::WebRunner::new()
|
|
.start(
|
|
canvas,
|
|
options,
|
|
Box::new(move |cc| {
|
|
solidcraft_ui_egui::fonts::setup_fonts(&cc.egui_ctx);
|
|
let files = Rc::new(Files::default());
|
|
files::start(&files);
|
|
let panel = files.clone();
|
|
let services = Services {
|
|
// Open shows the browser's files (and the computer's, from there).
|
|
pick_open: Some(Box::new(move |_: &[&str]| {
|
|
panel.panel.set(true);
|
|
Box::pin(std::future::ready(None))
|
|
})),
|
|
// Designs are kept in the browser; everything else is downloaded.
|
|
pick_save: Some(Box::new(|name: &str, exts: &[&str]| {
|
|
let design = exts.contains(&solidcraft_engine::io::DESIGN_EXT);
|
|
Box::pin(std::future::ready(Some(format!("{}{name}", if design { files::OPFS } else { files::DOWNLOADS }))))
|
|
})),
|
|
install_app: Some(crate::install::service(&cc.egui_ctx)),
|
|
..Default::default()
|
|
};
|
|
// Thumbnails of saves and start-page cards.
|
|
solidcraft_ui_egui::gpu::install_cpu_picture_renderer();
|
|
let mut app = SolveApp::new(Session::default(), services);
|
|
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 {
|
|
// eframe's web painter has no stencil buffer.
|
|
app.set_wgpu(rs, DEPTH_BITS, 0, 1);
|
|
}
|
|
if query().contains("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();
|
|
}
|
|
if !query().contains("sample") {
|
|
// The empty design takes Units of new designs (#1205). The sample
|
|
// part is built in millimetres and is left that way.
|
|
solidcraft_ui_egui::prefs::apply_new_design(&mut app);
|
|
let rev = app.session.revision;
|
|
app.home.show(rev);
|
|
}
|
|
Ok(Box::new(Shell {
|
|
app,
|
|
files,
|
|
autosaved_at: f64::NEG_INFINITY,
|
|
autosaved: None,
|
|
renaming: None,
|
|
rename_focus: false,
|
|
recents_synced: false,
|
|
font: Default::default(),
|
|
font_result: Rc::new(std::cell::RefCell::new(None)),
|
|
space_mouse: SpaceMouse::default(),
|
|
}))
|
|
}),
|
|
)
|
|
.await;
|
|
if let Some(el) = document.get_element_by_id(LOADING_ID) {
|
|
match result {
|
|
Ok(()) => el.remove(),
|
|
Err(e) => {
|
|
el.set_inner_html(&format!("<p>SolidCraft failed to start: {e:?}</p><p>A browser with WebGPU or WebGL2 is required.</p>"))
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
#[cfg(target_arch = "wasm32")]
|
|
fn main() {
|
|
web::start();
|
|
}
|
|
|
|
#[cfg(not(target_arch = "wasm32"))]
|
|
fn main() {
|
|
eprintln!("solidcraft-web only runs in the browser: build it with `trunk build --release` in apps/solidcraft-web");
|
|
}
|