Ely Office: six offline-first desktop apps in Rust and GPUI

ElyDoc, ElyTable, ElyShow (LibreOfficeKit), ElyPDF (MuPDF), ElyTree (Git),
ElyMark (Milkdown and CodeMirror in CEF). ElyMail and ElyAgent follow.

tests/fixtures/mark/extended.md

@@ -0,0 +1,36 @@
+# Title
+
+Text with $e^{i\pi} + 1 = 0$ inline and a note.[^1]
+
+$$I = \int \rho R^{2} dV$$
+
+- [x] done
+- [ ] open
+
+| a | b |
+| - | - |
+| 1 | 2 |
+
+```rust
+fn main() {}
+```
+
+$$
+\int_0^1 x\,dx
+$$
+
+$$
+\frac{1}{
+$$
+
+```mermaid
+graph TD
+  A --> B
+```
+
+```mermaid
+graph TD
+  A -->
+```
+
+[^1]: The note.

tests/fixtures/office/.~lock.t.docx#

@@ -0,0 +1 @@
+雷电芽衣 ,zacharyzhang,leidianyayis-Mac-mini.local,08.10.2026 20:49,file:///private/var/folders/g4/sj7njkr93jz0rgmg0b_zqnvr0000gn/T/tmp.mPypHxNqRv/home-ely-doc/Library/Application%20Support/ElyOffice/ely-doc/lok-profile;

tests/fixtures/office/.~lock.t.pptx#

@@ -0,0 +1 @@
+雷电芽衣 ,zacharyzhang,leidianyayis-Mac-mini.local,08.10.2026 20:50,file:///private/var/folders/g4/sj7njkr93jz0rgmg0b_zqnvr0000gn/T/tmp.rkBzVqQEZC/home-ely-show/Library/Application%20Support/ElyOffice/ely-show/lok-profile;

tests/fixtures/office/.~lock.t.xlsx#

@@ -0,0 +1 @@
+雷电芽衣 ,zacharyzhang,leidianyayis-Mac-mini.local,08.10.2026 20:50,file:///private/var/folders/g4/sj7njkr93jz0rgmg0b_zqnvr0000gn/T/tmp.rkBzVqQEZC/home-ely-table/Library/Application%20Support/ElyOffice/ely-table/lok-profile;

tests/fixtures/show/trouble.fodp

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+<?xml version="1.0" encoding="UTF-8"?>
+<office:document xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0"
+ xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0"
+ xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0"
+ xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0"
+ xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0"
+ office:version="1.3" office:mimetype="application/vnd.oasis.opendocument.presentation">
+ <office:font-face-decls><style:font-face style:name="Nowhere Sans" svg:font-family="'Nowhere Sans'"/></office:font-face-decls>
+ <office:automatic-styles>
+  <style:style style:name="T1" style:family="text"><style:text-properties style:font-name="Nowhere Sans"/></style:style>
+ </office:automatic-styles>
+ <office:body><office:presentation>
+ <draw:page draw:name="One"><draw:frame svg:x="2cm" svg:y="2cm" svg:width="10cm" svg:height="3cm"><draw:text-box><text:p><text:span text:style-name="T1">Lost font</text:span></text:p></draw:text-box></draw:frame></draw:page>
+ <draw:page draw:name="Two"><draw:frame draw:name="Gone" svg:x="2cm" svg:y="2cm" svg:width="6cm" svg:height="4cm"><draw:image xlink:href="file:///nowhere/gone.png" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad"/></draw:frame></draw:page>
+ <draw:page draw:name="Three"><draw:frame draw:name="Empty" svg:x="2cm" svg:y="2cm" svg:width="6cm" svg:height="4cm"><draw:object xlink:href="./Object 9" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad"/></draw:frame></draw:page>
+ <draw:page draw:name="Four"><draw:frame draw:name="Bad" svg:x="2cm" svg:y="2cm" svg:width="6cm" svg:height="4cm"><draw:image xlink:href="broken.png" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad"/></draw:frame><draw:frame draw:name="Junk" svg:x="9cm" svg:y="2cm" svg:width="6cm" svg:height="4cm"><draw:image><office:binary-data>bm90IGFuIGltYWdlIGF0IGFsbA==</office:binary-data></draw:image></draw:frame></draw:page>
+ <draw:page draw:name="Five"><draw:frame draw:name="Linked" svg:x="2cm" svg:y="2cm" svg:width="6cm" svg:height="4cm"><draw:object xlink:href="linked.odt" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad"/></draw:frame></draw:page>
+ </office:presentation></office:body>
+</office:document>

tests/fixtures/web-outside/evil.js

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+// Outside the content folder; it must never run.
+window.outsideRan = true;

tests/fixtures/web/probe.html

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+<!doctype html>
+<html>
+<head>
+<meta charset="utf-8">
+<style>
+  body { background: var(--ely-bg); color: var(--ely-fg); margin: 0; }
+  textarea { width: 90%; height: 200px; }
+</style>
+</head>
+<body>
+<div id="marker" style="width: 300px; height: 150px; background: rgb(255, 0, 170)"></div>
+<textarea id="text" aria-label="Text"></textarea>
+<script src="../web-outside/evil.js"></script>
+<script>
+  // The probe asks; the page answers through elyQuery.
+  window.report = (step) => window.elyQuery({
+    request: JSON.stringify({
+      step,
+      value: document.getElementById("text").value,
+      focused: document.activeElement && document.activeElement.id,
+      fg: getComputedStyle(document.documentElement).getPropertyValue("--ely-fg").trim(),
+      ratio: window.devicePixelRatio,
+      outside: Boolean(window.outsideRan),
+      rtc: typeof window.RTCPeerConnection,
+    }),
+    onSuccess: () => {},
+    onFailure: (code, message) => console.error("probe query failed", code, message),
+  });
+  document.getElementById("text").focus();
+</script>
+</body>
+</html>