From 21e2204f42ea74990e724d48a3a1d55e5cef17a7 Mon Sep 17 00:00:00 2001
From: Nolan Darilek <nolan@thewordnerd.info>
Date: Mon, 2 Feb 2026 16:22:00 -0500
Subject: [PATCH 1/2] Add Linux support with Nix packaging, Flatpak, desktop
 integration, and CI/CD

---
 .envrc                                   |   5 +
 .github/workflows/build.yml              |  49 +-
 .gitignore                               |   6 +
 Cargo.lock                               | 520 ++++++++++++++++-
 Cargo.toml                               |   3 +
 README.md                                |  35 ++
 doc/readme.md                            |   2 +-
 flake.lock                               |  61 ++
 flake.nix                                | 226 ++++++++
 icons/hicolor/128x128/apps/paperback.png | Bin 0 -> 3582 bytes
 icons/hicolor/16x16/apps/paperback.png   | Bin 0 -> 375 bytes
 icons/hicolor/256x256/apps/paperback.png | Bin 0 -> 4884 bytes
 icons/hicolor/32x32/apps/paperback.png   | Bin 0 -> 544 bytes
 icons/hicolor/48x48/apps/paperback.png   | Bin 0 -> 1000 bytes
 icons/hicolor/64x64/apps/paperback.png   | Bin 0 -> 320 bytes
 io.github.trypsynth.Paperback.yaml       | 201 +++++++
 paperback.desktop                        |  13 +
 po/paperback.pot                         | 684 ++++++++++++-----------
 src/ui.rs                                |   1 +
 src/ui/dialogs.rs                        |  41 ++
 src/ui/dialogs/accessible_tree.rs        | 262 +++++++++
 src/ui/dialogs/elements_gtk.rs           | 176 ++++++
 src/ui/dialogs/toc_gtk.rs                |  66 +++
 src/ui/document_manager.rs               |  83 ++-
 src/ui/main_window.rs                    |  12 +-
 25 files changed, 2086 insertions(+), 360 deletions(-)
 create mode 100644 .envrc
 create mode 100644 flake.lock
 create mode 100644 flake.nix
 create mode 100644 icons/hicolor/128x128/apps/paperback.png
 create mode 100644 icons/hicolor/16x16/apps/paperback.png
 create mode 100644 icons/hicolor/256x256/apps/paperback.png
 create mode 100644 icons/hicolor/32x32/apps/paperback.png
 create mode 100644 icons/hicolor/48x48/apps/paperback.png
 create mode 100644 icons/hicolor/64x64/apps/paperback.png
 create mode 100644 io.github.trypsynth.Paperback.yaml
 create mode 100644 paperback.desktop
 create mode 100644 src/ui/dialogs/accessible_tree.rs
 create mode 100644 src/ui/dialogs/elements_gtk.rs
 create mode 100644 src/ui/dialogs/toc_gtk.rs

diff --git a/.envrc b/.envrc
new file mode 100644
index 00000000..0591e442
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,5 @@
+# Optional: Automatically load Nix development environment when entering this directory
+# Requires direnv (https://direnv.net/) and nix-direnv for automatic shell activation
+# If you don't use direnv, run 'nix develop' manually instead
+use flake
+export PAPERBACK_COMMIT_HASH=dev
\ No newline at end of file
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f4ffb523..f58dc064 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,7 +7,7 @@ on:
 permissions:
   contents: write
 jobs:
-  build:
+  build-windows:
     runs-on: windows-latest
     steps:
     - name: Checkout repository
@@ -45,11 +45,51 @@ jobs:
     - name: Upload artifacts
       uses: actions/upload-artifact@v4
       with:
-        name: paperback-build
+        name: paperback-windows
         path: |
           target/release/paperback.zip
           target/release/paperback_setup.exe
         retention-days: 30
+
+  build-linux-flatpak:
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/flathub-infra/flatpak-github-actions:gnome-49
+      options: --privileged
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+    - name: Generate cargo sources for Flatpak
+      run: |
+        pip install aiohttp tomlkit
+        curl -sSL https://raw.githubusercontent.com/flatpak/flatpak-builder-tools/master/cargo/flatpak-cargo-generator.py -o flatpak-cargo-generator.py
+        python3 flatpak-cargo-generator.py Cargo.lock -o cargo-sources.json
+    - uses: flatpak/flatpak-github-actions/flatpak-builder@v6
+      with:
+        bundle: paperback.flatpak
+        manifest-path: io.github.trypsynth.Paperback.yaml
+        cache-key: flatpak-builder-${{ github.sha }}
+
+  release:
+    needs: [build-windows, build-linux-flatpak]
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push'
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+    - name: Download Windows artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: paperback-windows
+        path: windows-build
+    - name: Download Linux Flatpak
+      uses: actions/download-artifact@v4
+      with:
+        name: paperback-x86_64.flatpak
+        path: linux-build
     - name: Get latest tag reachable from HEAD
       id: get_tag
       shell: bash
@@ -79,8 +119,9 @@ jobs:
           ## Commits since last release
           ${{ steps.release_notes.outputs.commits }}
         files: |
-          target/release/paperback.zip
-          target/release/paperback_setup.exe
+          windows-build/paperback.zip
+          windows-build/paperback_setup.exe
+          linux-build/paperback.flatpak
         prerelease: true
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 1c86b1de..2bea54be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,9 @@ web/_site/
 *.pdf
 *.rtf
 .DS_Store
+result
+.direnv/
+.flatpak-builder/
+*.flatpak
+repo-flatpak/
+cargo-sources.json
diff --git a/Cargo.lock b/Cargo.lock
index 143f5e63..607bcfa3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -34,6 +34,29 @@ version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
 
+[[package]]
+name = "atk"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "241b621213072e993be4f6f3a9e4b45f65b7e6faad43001be957184b7bb1824b"
+dependencies = [
+ "atk-sys",
+ "glib",
+ "libc",
+]
+
+[[package]]
+name = "atk-sys"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5e48b684b0ca77d2bbadeef17424c2ea3c897d44d566a1617e7e8f30614d086"
+dependencies = [
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "system-deps",
+]
+
 [[package]]
 name = "atomic-waker"
 version = "1.1.2"
@@ -141,6 +164,31 @@ dependencies = [
  "libbz2-rs-sys",
 ]
 
+[[package]]
+name = "cairo-rs"
+version = "0.18.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ca26ef0159422fb77631dc9d17b102f253b876fe1586b03b803e63a309b4ee2"
+dependencies = [
+ "bitflags",
+ "cairo-sys-rs",
+ "glib",
+ "libc",
+ "once_cell",
+ "thiserror 1.0.69",
+]
+
+[[package]]
+name = "cairo-sys-rs"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "685c9fa8e590b8b3d678873528d83411db17242a73fccaed827770ea0fedda51"
+dependencies = [
+ "glib-sys",
+ "libc",
+ "system-deps",
+]
+
 [[package]]
 name = "cbc"
 version = "0.1.2"
@@ -180,6 +228,16 @@ dependencies = [
  "web-time",
 ]
 
+[[package]]
+name = "cfg-expr"
+version = "0.15.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d067ad48b8650848b989a59a86c6c36a995d02d2bf778d45c3c5d57bc2718f02"
+dependencies = [
+ "smallvec",
+ "target-lexicon",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.4"
@@ -481,6 +539,16 @@ dependencies = [
  "simd-adler32",
 ]
 
+[[package]]
+name = "field-offset"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38e2275cc4e4fc009b0669731a1e5ab7ebf11f469eaede2bab9309a5b4d6057f"
+dependencies = [
+ "memoffset",
+ "rustc_version",
+]
+
 [[package]]
 name = "filetime"
 version = "0.2.27"
@@ -567,6 +635,17 @@ version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7e3450815272ef58cec6d564423f6e755e25379b217b0bc688e295ba24df6b1d"
 
+[[package]]
+name = "futures-executor"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf29c38818342a3b26b5b923639e7b1f4a61fc5e76102d4b1981c6dc7a7579d"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-io"
 version = "0.3.32"
@@ -618,6 +697,64 @@ dependencies = [
  "slab",
 ]
 
+[[package]]
+name = "gdk"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9f245958c627ac99d8e529166f9823fb3b838d1d41fd2b297af3075093c2691"
+dependencies = [
+ "cairo-rs",
+ "gdk-pixbuf",
+ "gdk-sys",
+ "gio",
+ "glib",
+ "libc",
+ "pango",
+]
+
+[[package]]
+name = "gdk-pixbuf"
+version = "0.18.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50e1f5f1b0bfb830d6ccc8066d18db35c487b1b2b1e8589b5dfe9f07e8defaec"
+dependencies = [
+ "gdk-pixbuf-sys",
+ "gio",
+ "glib",
+ "libc",
+ "once_cell",
+]
+
+[[package]]
+name = "gdk-pixbuf-sys"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9839ea644ed9c97a34d129ad56d38a25e6756f99f3a88e15cd39c20629caf7"
+dependencies = [
+ "gio-sys",
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "system-deps",
+]
+
+[[package]]
+name = "gdk-sys"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c2d13f38594ac1e66619e188c6d5a1adb98d11b2fcf7894fc416ad76aa2f3f7"
+dependencies = [
+ "cairo-sys-rs",
+ "gdk-pixbuf-sys",
+ "gio-sys",
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "pango-sys",
+ "pkg-config",
+ "system-deps",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.7"
@@ -677,6 +814,85 @@ dependencies = [
  "wasip3",
 ]
 
+[[package]]
+name = "gio"
+version = "0.18.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4fc8f532f87b79cbc51a79748f16a6828fb784be93145a322fa14d06d354c73"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-util",
+ "gio-sys",
+ "glib",
+ "libc",
+ "once_cell",
+ "pin-project-lite",
+ "smallvec",
+ "thiserror 1.0.69",
+]
+
+[[package]]
+name = "gio-sys"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37566df850baf5e4cb0dfb78af2e4b9898d817ed9263d1090a2df958c64737d2"
+dependencies = [
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "system-deps",
+ "winapi",
+]
+
+[[package]]
+name = "glib"
+version = "0.18.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "233daaf6e83ae6a12a52055f568f9d7cf4671dabb78ff9560ab6da230ce00ee5"
+dependencies = [
+ "bitflags",
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-task",
+ "futures-util",
+ "gio-sys",
+ "glib-macros",
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "memchr",
+ "once_cell",
+ "smallvec",
+ "thiserror 1.0.69",
+]
+
+[[package]]
+name = "glib-macros"
+version = "0.18.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bb0228f477c0900c880fd78c8759b95c7636dbd7842707f49e132378aa2acdc"
+dependencies = [
+ "heck 0.4.1",
+ "proc-macro-crate 2.0.2",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+]
+
+[[package]]
+name = "glib-sys"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "063ce2eb6a8d0ea93d2bf8ba1957e78dbab6be1c2220dd3daca57d5a9d869898"
+dependencies = [
+ "libc",
+ "system-deps",
+]
+
 [[package]]
 name = "glob"
 version = "0.3.3"
@@ -696,6 +912,69 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "gobject-sys"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0850127b514d1c4a4654ead6dedadb18198999985908e6ffe4436f53c785ce44"
+dependencies = [
+ "glib-sys",
+ "libc",
+ "system-deps",
+]
+
+[[package]]
+name = "gtk"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd56fb197bfc42bd5d2751f4f017d44ff59fbb58140c6b49f9b3b2bdab08506a"
+dependencies = [
+ "atk",
+ "cairo-rs",
+ "field-offset",
+ "futures-channel",
+ "gdk",
+ "gdk-pixbuf",
+ "gio",
+ "glib",
+ "gtk-sys",
+ "gtk3-macros",
+ "libc",
+ "pango",
+ "pkg-config",
+]
+
+[[package]]
+name = "gtk-sys"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f29a1c21c59553eb7dd40e918be54dccd60c52b049b75119d5d96ce6b624414"
+dependencies = [
+ "atk-sys",
+ "cairo-sys-rs",
+ "gdk-pixbuf-sys",
+ "gdk-sys",
+ "gio-sys",
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "pango-sys",
+ "system-deps",
+]
+
+[[package]]
+name = "gtk3-macros"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52ff3c5b21f14f0736fed6dcfc0bfb4225ebf5725f3c0209edeec181e4d73e9d"
+dependencies = [
+ "proc-macro-crate 1.3.1",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+]
+
 [[package]]
 name = "h2"
 version = "0.4.13"
@@ -730,6 +1009,12 @@ version = "0.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -1078,7 +1363,7 @@ dependencies = [
  "bzip2",
  "cc",
  "tar",
- "thiserror",
+ "thiserror 2.0.18",
  "ureq",
 ]
 
@@ -1190,6 +1475,15 @@ version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
 
+[[package]]
+name = "memoffset"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.17"
@@ -1308,7 +1602,7 @@ dependencies = [
  "rc4",
  "sha1",
  "sha2",
- "thiserror",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -1383,6 +1677,31 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "pango"
+version = "0.18.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ca27ec1eb0457ab26f3036ea52229edbdb74dee1edd29063f5b9b010e7ebee4"
+dependencies = [
+ "gio",
+ "glib",
+ "libc",
+ "once_cell",
+ "pango-sys",
+]
+
+[[package]]
+name = "pango-sys"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "436737e391a843e5933d6d9aa102cb126d501e815b83601365a948a518555dc5"
+dependencies = [
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "system-deps",
+]
+
 [[package]]
 name = "paperback"
 version = "0.8.5"
@@ -1395,6 +1714,7 @@ dependencies = [
  "embed-manifest",
  "encoding_rs",
  "flate2",
+ "gtk",
  "libchm",
  "live-region",
  "office-crypto",
@@ -1593,13 +1913,57 @@ dependencies = [
  "syn 2.0.117",
 ]
 
+[[package]]
+name = "proc-macro-crate"
+version = "1.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f4c021e1093a56626774e81216a4ce732a735e5bad4868a03f3ed65ca0c3919"
+dependencies = [
+ "once_cell",
+ "toml_edit 0.19.15",
+]
+
+[[package]]
+name = "proc-macro-crate"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b00f26d3400549137f92511a46ac1cd8ce37cb5598a96d382381458b992a5d24"
+dependencies = [
+ "toml_datetime 0.6.3",
+ "toml_edit 0.20.2",
+]
+
 [[package]]
 name = "proc-macro-crate"
 version = "3.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e67ba7e9b2b56446f1d419b1d807906278ffa1a658a8a5d8a39dcb1f5a78614f"
 dependencies = [
- "toml_edit",
+ "toml_edit 0.25.5+spec-1.1.0",
+]
+
+[[package]]
+name = "proc-macro-error"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "version_check",
 ]
 
 [[package]]
@@ -1658,7 +2022,7 @@ dependencies = [
  "rustc-hash",
  "rustls",
  "socket2",
- "thiserror",
+ "thiserror 2.0.18",
  "tokio",
  "tracing",
  "web-time",
@@ -1679,7 +2043,7 @@ dependencies = [
  "rustls",
  "rustls-pki-types",
  "slab",
- "thiserror",
+ "thiserror 2.0.18",
  "tinyvec",
  "tracing",
  "web-time",
@@ -1917,7 +2281,7 @@ checksum = "9c845311f0ff7951c5506121a9ad75aec44d083c31583b2ea5a30bcb0b0abba0"
 dependencies = [
  "cfg-if",
  "glob",
- "proc-macro-crate",
+ "proc-macro-crate 3.5.0",
  "proc-macro2",
  "quote",
  "regex",
@@ -2155,6 +2519,15 @@ dependencies = [
  "zmij",
 ]
 
+[[package]]
+name = "serde_spanned"
+version = "0.6.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf41e0cfaf7226dca15e8197172c295a782857fcb97fad1808a166870dee75a3"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde_urlencoded"
 version = "0.7.1"
@@ -2337,6 +2710,19 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "system-deps"
+version = "6.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3e535eb8dded36d55ec13eddacd30dec501792ff23a0b1682c38601b8cf2349"
+dependencies = [
+ "cfg-expr",
+ "heck 0.5.0",
+ "pkg-config",
+ "toml 0.8.2",
+ "version-compare",
+]
+
 [[package]]
 name = "tap"
 version = "1.0.1"
@@ -2354,6 +2740,12 @@ dependencies = [
  "xattr",
 ]
 
+[[package]]
+name = "target-lexicon"
+version = "0.12.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61c41af27dd6d1e27b1b16b489db798443478cef1f06a660c96db617ba5de3b1"
+
 [[package]]
 name = "tempfile"
 version = "3.27.0"
@@ -2377,13 +2769,33 @@ dependencies = [
  "utf-8",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+dependencies = [
+ "thiserror-impl 1.0.69",
+]
+
 [[package]]
 name = "thiserror"
 version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 2.0.18",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -2509,6 +2921,27 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "toml"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "185d8ab0dfbb35cf1399a6344d8484209c088f75f8f68230da55d48d95d43e3d"
+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime 0.6.3",
+ "toml_edit 0.20.2",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7cda73e2f1397b1262d6dfdcef8aafae14d1de7748d66822d3bfeeb6d03e5e4b"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "toml_datetime"
 version = "1.0.1+spec-1.1.0"
@@ -2518,6 +2951,30 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "toml_edit"
+version = "0.19.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
+dependencies = [
+ "indexmap",
+ "toml_datetime 0.6.3",
+ "winnow 0.5.40",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.20.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "396e4d48bbb2b7554c944bde63101b5ae446cff6ec4a24227428f15eb72ef338"
+dependencies = [
+ "indexmap",
+ "serde",
+ "serde_spanned",
+ "toml_datetime 0.6.3",
+ "winnow 0.5.40",
+]
+
 [[package]]
 name = "toml_edit"
 version = "0.25.5+spec-1.1.0"
@@ -2525,9 +2982,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ca1a40644a28bce036923f6a431df0b34236949d111cc07cb6dca830c9ef2e1"
 dependencies = [
  "indexmap",
- "toml_datetime",
+ "toml_datetime 1.0.1+spec-1.1.0",
  "toml_parser",
- "winnow",
+ "winnow 1.0.0",
 ]
 
 [[package]]
@@ -2536,7 +2993,7 @@ version = "1.0.10+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7df25b4befd31c4816df190124375d5a20c6b6921e2cad937316de3fccd63420"
 dependencies = [
- "winnow",
+ "winnow 1.0.0",
 ]
 
 [[package]]
@@ -2753,6 +3210,12 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
+[[package]]
+name = "version-compare"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03c2856837ef78f57382f06b2b8563a2f512f7185d732608fd9176cb3b8edf0e"
+
 [[package]]
 name = "version_check"
 version = "0.9.5"
@@ -2936,6 +3399,22 @@ dependencies = [
  "rustls-pki-types",
 ]
 
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
 [[package]]
 name = "winapi-util"
 version = "0.1.11"
@@ -2945,6 +3424,12 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
 [[package]]
 name = "windows"
 version = "0.62.2"
@@ -3222,6 +3707,15 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"
 
+[[package]]
+name = "winnow"
+version = "0.5.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f593a95398737aeed53e489c785df13f3618e41dbcd6718c6addbf1395aa6876"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "winnow"
 version = "1.0.0"
@@ -3237,7 +3731,7 @@ version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b68db261ef59e9e52806f688020631e987592bd83619edccda9c47d42cde4f6c"
 dependencies = [
- "toml",
+ "toml 0.5.11",
 ]
 
 [[package]]
@@ -3256,7 +3750,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea61de684c3ea68cb082b7a88508a8b27fcc8b797d738bfc99a82facf1d752dc"
 dependencies = [
  "anyhow",
- "heck",
+ "heck 0.5.0",
  "wit-parser",
 ]
 
@@ -3267,7 +3761,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
 dependencies = [
  "anyhow",
- "heck",
+ "heck 0.5.0",
  "indexmap",
  "prettyplease",
  "syn 2.0.117",
diff --git a/Cargo.toml b/Cargo.toml
index b586a916..96887751 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,6 +34,9 @@ ureq = { version = "3.3.0", default-features = false, features = ["json", "rustl
 wxdragon = { version = "0.9.14", features = ["webview"] }
 zip = { version = "8.4.0", default-features = false, features = ["deflate"] }
 
+[target.'cfg(target_os = "linux")'.dependencies]
+gtk = { version = "0.18", default-features = false }
+
 [target.'cfg(windows)'.dependencies]
 windows = { version = "0.62.2", features = ["Win32_UI_Accessibility", "Win32_System_Com", "Win32_UI_WindowsAndMessaging", "Win32_Foundation", "Win32_System_Ole", "Win32_System_Variant"] }
 
diff --git a/README.md b/README.md
index 1793bd93..486ae73a 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,41 @@ The following tools aren't required to build a functioning Paperback on a basic
 * `gettext` tools (`xgettext`, `msgfmt`, `msgmerge`) on your `PATH` to generate the translation template and compile translations.
 * InnoSetup installed to create the installer.
 
+### Linux
+
+Building on Linux requires wxWidgets 3.2+ with GTK3 backend. The wxDragon build system will handle compiling the wxWidgets bindings.
+
+### Linux (Nix)
+
+**Run directly:**
+```bash
+nix run github:trypsynth/paperback
+```
+
+**Install to profile:**
+```bash
+nix profile install github:trypsynth/paperback
+```
+
+**Build from source:**
+```bash
+# Build and run
+nix run
+
+# Or build without running:
+nix build
+```
+
+### Linux (flatpak)
+
+```bash
+flatpak-builder --force-clean --repo=repo-flatpak build io.github.trypsynth.Paperback.yaml
+flatpak build-bundle repo-flatpak paperback.flatpak io.github.trypsynth.Paperback
+
+# Install the Flatpak:
+flatpak --user install paperback.flatpak
+```
+
 ## Contributing
 
 Contributions are welcome! Whether through issues, pull requests, discussions, or other means, your interest is most certainly appreciated. Thanks for using Paperback!
diff --git a/doc/readme.md b/doc/readme.md
index 8a799d75..f3e8385d 100644
--- a/doc/readme.md
+++ b/doc/readme.md
@@ -6,7 +6,7 @@ Paperback is a lightweight, fast, and accessible ebook and document reader for e
 
 ## System Requirements
 
-Paperback currently runs on Windows 10 and 11, with support for macOS and Linux in the pipeline.
+Paperback currently runs on Windows 10/11 and Linux. Support for macOS is in the pipeline.
 
 ## Features
 
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 00000000..f1943347
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1774386573,
+        "narHash": "sha256-4hAV26quOxdC6iyG7kYaZcM3VOskcPUrdCQd/nx8obc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "46db2e09e1d3f113a13c0d7b81e2f221c63b8ce9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 00000000..bdf6672d
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,226 @@
+{
+  description = "Paperback - A lightweight, fast, and accessible ebook and document reader";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+
+        pdfiumLib = "${pkgs.pdfium-binaries}/lib";
+
+        commonNativeBuildInputs = with pkgs; [
+          cmake
+          ninja
+          pkg-config
+          gettext
+          pandoc
+          cargo
+          rustc
+          makeBinaryWrapper
+          wrapGAppsHook3
+          python3
+          llvmPackages.libclang
+          gcc
+        ];
+
+        commonBuildInputs = with pkgs; [
+          openssl
+          gtk3
+          webkitgtk_4_1
+          pdfium-binaries
+          libxkbcommon
+          libxtst
+          wayland
+          wayland-scanner
+          wayland-protocols
+        ];
+
+        commonEnv = {
+          LIBCLANG_PATH = "${pkgs.llvmPackages.libclang.lib}/lib";
+          BINDGEN_EXTRA_CLANG_ARGS = "-isystem ${pkgs.stdenv.cc.libc.dev}/include";
+          CHMLIB_TARBALL = pkgs.fetchurl {
+            url = "http://www.jedrea.com/chmlib/chmlib-0.40.tar.bz2";
+            sha256 = "3449d64b0cf71578b2c7e3ddc048d4af3661f44a83941ea074a7813f3a59ffa3";
+          };
+        };
+
+      in
+      {
+        packages.default = pkgs.stdenv.mkDerivation (
+          commonEnv
+          // {
+            pname = "paperback";
+            version = (builtins.fromTOML (builtins.readFile ./Cargo.toml)).package.version;
+
+            src = ./.;
+
+            nativeBuildInputs = commonNativeBuildInputs;
+            buildInputs = commonBuildInputs;
+
+            preConfigure = ''
+                # Extract wxWidgets source so build.rs skips downloading
+                mkdir -p wxWidgets-extracted
+                ${pkgs.unzip}/bin/unzip -qo ${pkgs.fetchurl {
+                  url = "https://github.com/wxWidgets/wxWidgets/releases/download/v3.3.2/wxWidgets-3.3.2.zip";
+                  sha256 = "sha256-9qVt5tj7VTFyMPuk72T4GmRq1vjEOdJxDZh1BJOopWk=";
+                }} -d wxWidgets-extracted
+                export WXWIDGETS_DIR="$PWD/wxWidgets-extracted"
+
+                # Copy vendor dir to writable location so we can patch dependencies
+                cp -rL --no-preserve=mode ${pkgs.rustPlatform.importCargoLock {
+                  lockFile = ./Cargo.lock;
+                  outputHashes = {
+                    "pdfium-0.1.1" = "sha256-J+BXxorzHJmC5JotofsN8AQLDGHOb6EZbIdJOPHZ/CY=";
+                  };
+                }} cargo-vendor
+
+                # Patch libchm build.rs to use local chmlib tarball
+                echo 'use std::{env, fs, io::Cursor, path::PathBuf};
+                use bzip2::read::BzDecoder;
+                use cc::Build;
+                use tar::Archive;
+
+                fn main() {
+                    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
+                    let chmlib_dir = out_dir.join("chmlib-0.40");
+                    let src_dir = chmlib_dir.join("src");
+                    if !chmlib_dir.exists() {
+                        let tarball_path = env::var("CHMLIB_TARBALL").expect("CHMLIB_TARBALL must be set");
+                        let buf = fs::read(&tarball_path).expect("Failed to read chmlib tarball");
+                        let mut archive = Archive::new(BzDecoder::new(Cursor::new(buf)));
+                        archive.unpack(&out_dir).expect("Failed to extract chmlib");
+                    }
+                    let chm_lib_path = src_dir.join("chm_lib.c");
+                    let mut contents = fs::read_to_string(&chm_lib_path).expect("Failed to read chm_lib.c");
+                    contents = contents.replace(
+                        "/* yielding an error is preferable to yielding incorrect behavior */\n#error \"Please define the sized types for your platform in chm_lib.c\"",
+                        "typedef unsigned char UChar;\ntypedef int16_t Int16;\ntypedef uint16_t UInt16;\ntypedef int32_t Int32;\ntypedef uint32_t UInt32;\ntypedef int64_t Int64;\ntypedef uint64_t UInt64;"
+                    );
+                    contents = contents.replace("#if __sun || __sgi\n#include <strings.h>", "#ifdef CHMLIB_HAVE_STRINGS_H\n#include <strings.h>");
+                    fs::write(&chm_lib_path, contents).expect("Failed to write patched chm_lib.c");
+                    Build::new()
+                        .file(src_dir.join("chm_lib.c"))
+                        .file(src_dir.join("lzx.c"))
+                        .include(&src_dir)
+                        .warnings(false)
+                        .define("CHMLIB_HAVE_STRINGS_H", None)
+                        .compile("chm");
+                    println!("cargo:rustc-link-lib=static=chm");
+                }' > cargo-vendor/libchm-0.1.0/build.rs
+
+                # Create cargo config for vendored sources
+                mkdir -p .cargo
+                echo '[source.crates-io]
+                replace-with = "vendored-sources"
+
+                [source."git+https://github.com/AllenDang/wxDragon"]
+                git = "https://github.com/AllenDang/wxDragon"
+                replace-with = "vendored-sources"
+
+                [source."git+https://github.com/aryanchoudharypro/PDFium-rs?branch=feature/tagged-pdf-support"]
+                git = "https://github.com/aryanchoudharypro/PDFium-rs"
+                branch = "feature/tagged-pdf-support"
+                replace-with = "vendored-sources"
+
+                [source.vendored-sources]' > .cargo/config.toml
+                echo "directory = \"$PWD/cargo-vendor\"" >> .cargo/config.toml
+              '';
+
+            dontUseCmakeConfigure = true;
+
+            configurePhase = ''
+              runHook preConfigure
+              runHook postConfigure
+            '';
+
+            buildPhase = ''
+              runHook preBuild
+              cargo build --release --offline
+              runHook postBuild
+            '';
+
+            installPhase = ''
+              runHook preInstall
+
+              install -Dm755 target/release/paperback $out/bin/.paperback-unwrapped
+              makeWrapper $out/bin/.paperback-unwrapped $out/bin/paperback \
+                --prefix LD_LIBRARY_PATH : ${pdfiumLib}
+
+              if [ -d target/release/langs ]; then
+                mkdir -p $out/share
+                cp -r target/release/langs $out/share/locale
+              fi
+
+              install -Dm644 paperback.desktop $out/share/applications/paperback.desktop
+              for size in 16 32 48 64 128 256; do
+                if [ -f icons/hicolor/''${size}x''${size}/apps/paperback.png ]; then
+                  install -Dm644 icons/hicolor/''${size}x''${size}/apps/paperback.png \
+                    $out/share/icons/hicolor/''${size}x''${size}/apps/paperback.png
+                fi
+              done
+
+              runHook postInstall
+            '';
+
+            meta = with pkgs.lib; {
+              description = "A lightweight, fast, and accessible ebook and document reader";
+              homepage = "https://github.com/trypsynth/paperback";
+              license = licenses.mit;
+              platforms = platforms.linux;
+              mainProgram = "paperback";
+            };
+          }
+        );
+
+        devShells.default = pkgs.mkShell (
+          commonEnv
+          // {
+            nativeBuildInputs = commonNativeBuildInputs;
+            buildInputs = commonBuildInputs;
+
+            packages = with pkgs; [
+              nil
+              nixfmt
+              clang-tools
+              gdb
+              lldb
+              (pkgs.python3Packages.buildPythonApplication {
+                pname = "flatpak-cargo-generator";
+                version = "unstable-2024-01-01";
+                format = "other";
+
+                src = pkgs.fetchFromGitHub {
+                  owner = "flatpak";
+                  repo = "flatpak-builder-tools";
+                  rev = "db39dc0f75a3b24cfb09906f3aba2c13b0c48afe";
+                  hash = "sha256-TnGkivHjVbOCqcowWgCw+v2MIgHz+2zU5AU2PO/prFo=";
+                };
+
+                propagatedBuildInputs = with pkgs.python3Packages; [
+                  aiohttp
+                  tomlkit
+                ];
+
+                installPhase = ''
+                  install -Dm755 cargo/flatpak-cargo-generator.py $out/bin/flatpak-cargo-generator
+                '';
+              })
+            ];
+
+            LD_LIBRARY_PATH = pdfiumLib;
+          }
+        );
+      }
+    );
+}
diff --git a/icons/hicolor/128x128/apps/paperback.png b/icons/hicolor/128x128/apps/paperback.png
new file mode 100644
index 0000000000000000000000000000000000000000..0966613a34834b89cbad74acb990d5c69b7893df
GIT binary patch
literal 3582
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zEM=*<wy_oxM)q|+)4%Zj>H9d3bDodad9CNXUXRz~oYV^rR{T6tJOBXjqpgunEX4nr
zT%4@6197F71u(3&lRW^$D6{tO0Konq{vrTGXaT@aUjR5?2mlf{ikmMQu^60JZLN?1
z^Uol)Jk4cUy@y7cxkQbvlwhvQj6~yGnSFg4nnO+x^CTVYw&g<v8{={Q9&rN|^y^Kg
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literal 0
HcmV?d00001

diff --git a/icons/hicolor/32x32/apps/paperback.png b/icons/hicolor/32x32/apps/paperback.png
new file mode 100644
index 0000000000000000000000000000000000000000..44aa36354dadf594dc03eb0149fe8f6e42be55a7
GIT binary patch
literal 544
zcmeAS@N?(olHy`uVBq!ia0vp^3LwnE3?yBabR7e6l0AZa85pY67#JE_7#My5g&JNk
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zwsB48%9%Smb>vt#iA@tb5#z(UDQpvq$O*n6)(XajA|5OZ3`t_TqN<w<O@U5k@O1Ta
JS?83{1OUUq=?VY<

literal 0
HcmV?d00001

diff --git a/icons/hicolor/48x48/apps/paperback.png b/icons/hicolor/48x48/apps/paperback.png
new file mode 100644
index 0000000000000000000000000000000000000000..ce887ce56549480543813b1440265e1c658811fa
GIT binary patch
literal 1000
zcmeAS@N?(olHy`uVBq!ia0vp^1|ZDA3?vioaBc-s3dtTpz6=aiY77hwEes65fI<x~
z7#K={3ST8KFj&oCU=S~uvn$Ysfq}6(z$e5Nq^I))2z7vvV&_Q^qw|D3n1qW%WaZnB
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z{PC~usDRA%txNxuM*lo6Aa%Vs_N0*Hl|T6jzyAIGb4pkuHtCFT$~n=D-{*nuw|#4{
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literal 0
HcmV?d00001

diff --git a/icons/hicolor/64x64/apps/paperback.png b/icons/hicolor/64x64/apps/paperback.png
new file mode 100644
index 0000000000000000000000000000000000000000..409ea87336e015860c7719189799acf2a42155a6
GIT binary patch
literal 320
zcmeAS@N?(olHy`uVBq!ia0vp^4j|0J3?w7mbKU|eg=CK)Uj~LMH3o);76yi2K%s^g
z3=E|P3=FRl7#OT(FffQ0%-I!a1C$U7@Ck7R(hLnC0Hpu_|9{}X0p`|Bpl$}nk|4ie
z28U-i(m<RfZ+91#{*0S}K+a-M7sn8f<8RL&<UOpw)0!xi+OW@O!Zv9Y?t%|oH|wV+
zHHG>VTyj>?+avwrx_ZI8cMI8VUmVQW7xkI?U?yw7mw^JefpvESD+i;n2aAt_;D*Mz
z2LvN7Kl4yvYK~bKxxs}=@W+aVOE$s@2~)I#7!4WOPH@a<VCrh%)L6hXL*RjI83)rw
z&H(-zi~e*+g(s|T4?gP$s4BRNGk#r=TCl6W>DzCn!p5z2KUN%%13H(%)78&qol`;+
E0BEggegFUf

literal 0
HcmV?d00001

diff --git a/io.github.trypsynth.Paperback.yaml b/io.github.trypsynth.Paperback.yaml
new file mode 100644
index 00000000..0f7dcaff
--- /dev/null
+++ b/io.github.trypsynth.Paperback.yaml
@@ -0,0 +1,201 @@
+app-id: io.github.trypsynth.Paperback
+runtime: org.gnome.Platform
+runtime-version: '50'
+sdk: org.gnome.Sdk
+sdk-extensions:
+  - org.freedesktop.Sdk.Extension.rust-stable
+  - org.freedesktop.Sdk.Extension.llvm21
+command: paperback
+
+finish-args:
+  # Filesystem access to open documents
+  - --filesystem=home
+  # X11 and Wayland display
+  - --socket=x11
+  - --socket=wayland
+  # GPU acceleration
+  - --device=dri
+  # Access to network for update checks and external links
+  - --share=network
+  # IPC for accessibility
+  - --share=ipc
+
+cleanup:
+  - /include
+  - /lib/cmake
+  - /lib/pkgconfig
+  - /share/bakefile
+  - /share/man
+  - /bin/wx-config
+  - '*.la'
+  - '*.a'
+
+modules:
+  # wxWidgets 3.3.2 - GUI toolkit (required by wxDragon 0.9.14)
+  - name: wxwidgets
+    sources:
+      - type: archive
+        url: https://github.com/wxWidgets/wxWidgets/releases/download/v3.3.2/wxWidgets-3.3.2.tar.bz2
+        sha256: 50a28cb668de47b0e006cd6ebed8cf4f76c1cac6116fb3c978c44478219103f2
+    config-opts:
+      - --enable-shared
+      - --with-gtk=3
+      - --without-opengl
+      - --enable-display
+      - --enable-propgrid
+      - --enable-stc
+      - --with-libjpeg
+      - --with-libpng
+      - --with-zlib
+      - --enable-webview
+      - --disable-ribbon
+    cleanup:
+      - /bin/wxrc*
+
+  # pandoc - Documentation build tool (build-time only)
+  - name: pandoc
+    buildsystem: simple
+    build-commands:
+      - install -Dm755 pandoc-3.8.2.1/bin/pandoc /app/bin/pandoc
+    cleanup:
+      - /bin/pandoc
+    sources:
+      - type: archive
+        url: https://github.com/jgm/pandoc/releases/download/3.8.2.1/pandoc-3.8.2.1-linux-amd64.tar.gz
+        sha256: b362815e21d8ad3629c124aa92baf54558da086ad72374b4f6fdd97b9f3275b0
+        strip-components: 0
+
+  # SDL2 - needed by wxWidgets sound backend (wxdragon-sys builds wxWidgets with SDL support)
+  - name: SDL2
+    buildsystem: cmake-ninja
+    builddir: true
+    config-opts:
+      - -DSDL_STATIC=OFF
+      - -DSDL_TEST=OFF
+    sources:
+      - type: archive
+        url: https://github.com/libsdl-org/SDL/releases/download/release-2.32.6/SDL2-2.32.6.tar.gz
+        sha256: 6a7a40d6c2e00016791815e1a9f4042809210bdf10cc78d2c75b45c4f52f93ad
+    cleanup:
+      - /bin
+      - /include
+      - /share
+
+  # pdfium - PDF rendering library (pre-built binaries)
+  - name: pdfium
+    buildsystem: simple
+    sources:
+      - type: archive
+        url: https://github.com/bblanchon/pdfium-binaries/releases/download/chromium/7749/pdfium-linux-x64.tgz
+        sha256: 735abb28af7deab720dc54c8df3673a0a2a57bae9a0b16288842695fbd90a4b9
+    build-commands:
+      - install -Dm644 libpdfium.so -t /app/lib/
+
+  # paperback - Main application
+  - name: paperback
+    buildsystem: simple
+    build-options:
+      append-path: /usr/lib/sdk/rust-stable/bin:/usr/lib/sdk/llvm21/bin:/app/bin
+      env:
+        CARGO_HOME: /run/build/paperback/cargo
+        CHMLIB_TARBALL: /run/build/paperback/chmlib-0.40.tar.bz2
+        WXWIDGETS_DIR: /run/build/paperback/wxWidgets-extracted
+        LIBCLANG_PATH: /usr/lib/sdk/llvm21/lib
+        PAPERBACK_COMMIT_HASH: flatpak
+        RUSTFLAGS: -L/app/lib -lSDL2
+    build-commands:
+      # Extract wxWidgets source for wxdragon-sys
+      - unzip -qo wxWidgets-3.3.2.zip -d wxWidgets-extracted
+      # Patch libchm's build.rs to use local chmlib tarball instead of downloading
+      - |
+        cat > cargo/vendor/libchm-0.1.0/build.rs << 'PATCHEOF'
+        use std::{
+          env, fs,
+          io::Cursor,
+          path::{Path, PathBuf},
+        };
+
+        use bzip2::read::BzDecoder;
+        use cc::Build;
+        use tar::Archive;
+
+        fn main() {
+          let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
+          let chmlib_dir = out_dir.join("chmlib-0.40");
+          let src_dir = chmlib_dir.join("src");
+          if !chmlib_dir.exists() {
+            extract_chmlib(&out_dir);
+          }
+          apply_patches(&src_dir);
+          let mut build = Build::new();
+          build.file(src_dir.join("chm_lib.c")).file(src_dir.join("lzx.c")).include(&src_dir).warnings(false);
+          if cfg!(target_os = "windows") {
+            build.define("WIN32", None);
+            build.define("_WINDOWS", None);
+          } else {
+            build.define("CHMLIB_HAVE_STRINGS_H", None);
+          }
+          build.compile("chm");
+          println!("cargo:rustc-link-lib=static=chm");
+        }
+
+        fn extract_chmlib(out_dir: &Path) {
+          let tarball_path = env::var("CHMLIB_TARBALL").expect("CHMLIB_TARBALL env var must be set for offline build");
+          let buf = fs::read(&tarball_path).expect("Failed to read chmlib tarball");
+          let decompressor = BzDecoder::new(Cursor::new(buf));
+          let mut archive = Archive::new(decompressor);
+          archive.unpack(out_dir).expect("Failed to extract chmlib");
+        }
+
+        fn apply_patches(src_dir: &Path) {
+          let chm_lib_path = src_dir.join("chm_lib.c");
+          let mut contents = fs::read_to_string(&chm_lib_path).expect("Failed to read chm_lib.c");
+          contents = contents.replace("/* yielding an error is preferable to yielding incorrect behavior */\n#error \"Please define the sized types for your platform in chm_lib.c\"", "typedef unsigned char           UChar;\ntypedef int16_t                 Int16;\ntypedef uint16_t                UInt16;\ntypedef int32_t                 Int32;\ntypedef uint32_t                UInt32;\ntypedef int64_t                 Int64;\ntypedef uint64_t                UInt64;");
+          contents = contents
+            .replace("#if __sun || __sgi\n#include <strings.h>", "#ifdef CHMLIB_HAVE_STRINGS_H\n#include <strings.h>");
+          fs::write(&chm_lib_path, contents).expect("Failed to write patched chm_lib.c");
+        }
+        PATCHEOF
+      # Update .cargo-checksum.json for libchm
+      - |
+        python3 -c "
+        import json
+        with open('cargo/vendor/libchm-0.1.0/.cargo-checksum.json', 'r') as f:
+            data = json.load(f)
+        data['files'] = {}
+        with open('cargo/vendor/libchm-0.1.0/.cargo-checksum.json', 'w') as f:
+            json.dump(data, f)
+        "
+      # wxdragon-sys 0.9.14 natively respects WXWIDGETS_DIR env var, no patching needed
+      # Build with cargo
+      - cargo build --release --offline
+      # Install binary
+      - install -Dm755 target/release/paperback /app/bin/paperback
+      # Install translations (remove conflicting files from wxWidgets first)
+      - |
+        if [ -d target/release/langs ]; then
+          mkdir -p /app/share/locale
+          for lang in target/release/langs/*; do
+            langname=$(basename "$lang")
+            rm -rf "/app/share/locale/$langname"
+            cp -r "$lang" "/app/share/locale/"
+          done
+        fi
+      # Install desktop file
+      - install -Dm644 paperback.desktop /app/share/applications/io.github.trypsynth.Paperback.desktop
+      # Update Icon field in desktop file to use app-id
+      - sed -i 's/Icon=paperback/Icon=io.github.trypsynth.Paperback/' /app/share/applications/io.github.trypsynth.Paperback.desktop
+      # Install icons
+      - for size in 16 32 48 64 128 256; do if [ -f icons/hicolor/${size}x${size}/apps/paperback.png ]; then install -Dm644 icons/hicolor/${size}x${size}/apps/paperback.png /app/share/icons/hicolor/${size}x${size}/apps/io.github.trypsynth.Paperback.png; fi; done
+    sources:
+      - type: dir
+        path: .
+      - cargo-sources.json
+      # chmlib tarball for offline build (libchm crate normally downloads this)
+      - type: file
+        url: http://www.jedrea.com/chmlib/chmlib-0.40.tar.bz2
+        sha256: 3449d64b0cf71578b2c7e3ddc048d4af3661f44a83941ea074a7813f3a59ffa3
+      # wxWidgets source for wxdragon-sys (normally downloads at build time)
+      - type: file
+        url: https://github.com/wxWidgets/wxWidgets/releases/download/v3.3.2/wxWidgets-3.3.2.zip
+        sha256: f6a56de6d8fb55317230fba4ef64f81a646ad6f8c439d2710d98750493a8a569
diff --git a/paperback.desktop b/paperback.desktop
new file mode 100644
index 00000000..7ea0eb94
--- /dev/null
+++ b/paperback.desktop
@@ -0,0 +1,13 @@
+[Desktop Entry]
+Version=1.5
+Type=Application
+Name=Paperback
+GenericName=Document Reader
+Comment=Lightweight, fast, and accessible ebook and document reader
+Exec=paperback %F
+Icon=paperback
+Terminal=false
+Categories=Office;Viewer;GTK;
+Keywords=ebook;epub;pdf;rtf;document;reader;chm;accessibility;screen-reader;
+StartupNotify=true
+MimeType=application/epub+zip;application/pdf;application/x-chm;application/vnd.openxmlformats-officedocument.wordprocessingml.document;application/vnd.oasis.opendocument.text;application/x-fictionbook+xml;text/html;text/markdown;text/plain;application/rtf;text/rtf;application/vnd.oasis.opendocument.presentation;application/vnd.openxmlformats-officedocument.presentationml.presentation;
diff --git a/po/paperback.pot b/po/paperback.pot
index 887d30de..a8897d04 100644
--- a/po/paperback.pot
+++ b/po/paperback.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: paperback 0.8.5\n"
 "Report-Msgid-Bugs-To: https://github.com/trypsynth/paperback/issues\n"
-"POT-Creation-Date: 2026-03-22 10:12-0600\n"
+"POT-Creation-Date: 2026-03-26 12:04-0400\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -17,946 +17,962 @@ msgstr ""
 "Content-Type: text/plain; charset=CHARSET\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-msgid "Figure"
+msgid "Previous Section\t["
 msgstr ""
 
-msgid "Image"
+msgid "Go to previous section"
 msgstr ""
 
-msgid ""
-"This PDF contains images only, with no extractable text. You may need to run "
-"it through OCR software to read its contents."
+msgid "Next Section\t]"
 msgstr ""
 
-msgid "Failed to create IPC server"
+msgid "Go to next section"
 msgstr ""
 
-msgid "Warning"
+msgid "Go to &Page\tCtrl+P"
 msgstr ""
 
-msgid "Options"
+msgid "Previous Pa&ge\tShift+P"
 msgstr ""
 
-msgid "&Restore previously opened documents on startup"
+msgid "Next Pag&e\tP"
 msgstr ""
 
-msgid "&Word wrap"
+msgid "Previous Lin&k\tShift+K"
 msgstr ""
 
-msgid "&Minimize to system tray"
+msgid "Next Lin&k\tK"
 msgstr ""
 
-msgid "&Start maximized"
+msgid "Previous Ima&ge\tShift+G"
 msgstr ""
 
-msgid "Show compact &go menu"
+msgid "Next Ima&ge\tG"
 msgstr ""
 
-msgid "&Wrap navigation"
+msgid "Previous Figu&re\tShift+F"
 msgstr ""
 
-msgid "Play &sounds on bookmarks and notes"
+msgid "Next Figu&re\tF"
 msgstr ""
 
-msgid "Check for &updates on startup"
+msgid "Previous &Table\tShift+T"
 msgstr ""
 
-msgid "Number of &recent documents to show:"
+msgid "Next &Table\tT"
 msgstr ""
 
-msgid "&Language:"
+msgid "Previous Se&parator\tShift+S"
 msgstr ""
 
-msgid "Update Channel:"
+msgid "Next Se&parator\tS"
 msgstr ""
 
-msgid "Stable"
+msgid "Previous L&ist\tShift+L"
 msgstr ""
 
-msgid "Dev"
+msgid "Next L&ist\tL"
 msgstr ""
 
-msgid "General"
+msgid "Previous List &Item\tShift+I"
 msgstr ""
 
-msgid "Reading"
+msgid "Next List I&tem\tI"
 msgstr ""
 
-msgid "OK"
+msgid "Next Heading Level 1\t1"
 msgstr ""
 
-msgid "Cancel"
+msgid "Previous Heading Level &2\tShift+2"
 msgstr ""
 
-msgid "Jump to Bookmark"
+msgid "Next Heading Level 2\t2"
 msgstr ""
 
-msgid "&Filter:"
+msgid "Previous Heading Level &3\tShift+3"
 msgstr ""
 
-msgid "All"
+msgid "Next Heading Level 3\t3"
 msgstr ""
 
-msgid "Bookmarks"
+msgid "Previous Heading Level &4\tShift+4"
 msgstr ""
 
-msgid "Notes"
+msgid "Next Heading Level 4\t4"
 msgstr ""
 
-msgid "&Edit Note"
+msgid "Previous Heading Level &5\tShift+5"
 msgstr ""
 
-msgid "&Delete"
+msgid "Next Heading Level 5\t5"
 msgstr ""
 
-msgid "&Jump"
+msgid "Previous Heading Level &6\tShift+6"
 msgstr ""
 
-msgid "&Cancel"
+msgid "Next Heading Level 6\t6"
 msgstr ""
 
-msgid "blank"
+msgid "&Previous Heading\tShift+H"
 msgstr ""
 
-msgid "Please select a bookmark to jump to."
+msgid "Go to previous heading"
 msgstr ""
 
-msgid "Error"
+msgid "&Next Heading\tH"
 msgstr ""
 
-msgid "Bookmark Note"
+msgid "Go to next heading"
 msgstr ""
 
-msgid "Edit bookmark note:"
+msgid "Previous Heading Level &1\tShift+1"
 msgstr ""
 
-msgid "View Note"
+msgid "&Previous Bookmark\tShift+B"
 msgstr ""
 
-msgid "Close"
+msgid "Go to previous bookmark"
 msgstr ""
 
-msgid "Table of Contents"
+msgid "&Next Bookmark\tB"
 msgstr ""
 
-msgid "Root"
+msgid "Go to next bookmark"
 msgstr ""
 
-msgid "Please select a section from the table of contents."
+msgid "Previous &Note\tShift+N"
 msgstr ""
 
-msgid "No Selection"
+msgid "Go to previous note"
 msgstr ""
 
-msgid "Untitled"
+msgid "Next N&ote\tN"
 msgstr ""
 
-msgid "Document Info"
+msgid "Go to next note"
 msgstr ""
 
-msgid "Path:"
+msgid "Jump to &All...\tCtrl+B"
 msgstr ""
 
-msgid "Title:"
+msgid "Show all bookmarks and notes"
 msgstr ""
 
-msgid "Author:"
+msgid "Jump to &Bookmarks Only...\tCtrl+Alt+B"
 msgstr ""
 
-msgid "Words:"
+msgid "Show bookmarks only"
 msgstr ""
 
-msgid "Lines:"
+msgid "Jump to Notes &Only...\tCtrl+Alt+M"
 msgstr ""
 
-msgid "Characters:"
+msgid "Show notes only"
 msgstr ""
 
-msgid "Characters (excluding spaces):"
+msgid "&View Note Text\tRawCtrl+Shift+W"
 msgstr ""
 
-msgid "Go to Line"
+msgid "&View Note Text\tCtrl+Shift+W"
 msgstr ""
 
-msgid "&Line number:"
+msgid "View the note at current position"
 msgstr ""
 
-msgid "Go to page"
+msgid "&File"
 msgstr ""
 
-#, c-format
-msgid "Go to page (%d/%d):"
+msgid "&Go"
 msgstr ""
 
-msgid "Go to Percent"
+msgid "&Tools"
 msgstr ""
 
-msgid "&Percent"
+msgid "&Help"
 msgstr ""
 
-msgid "P&ercent:"
+msgid "&Open...\tCtrl+O"
 msgstr ""
 
-msgid "&Yes"
+msgid "Open a document"
 msgstr ""
 
-msgid "&No"
+msgid "&Close\tCtrl+W"
 msgstr ""
 
-#, c-format
-msgid "Update to %s"
+msgid "&Close\tCtrl+F4"
 msgstr ""
 
-msgid "A new version of Paperback is available. Here's what's new:"
+msgid "Close the current document"
 msgstr ""
 
-msgid "All Documents"
+msgid "Close &All\tCtrl+Shift+W"
 msgstr ""
 
-msgid "&search"
+msgid "Close &All\tCtrl+Shift+F4"
 msgstr ""
 
-msgid "File Name"
+msgid "Close all documents"
 msgstr ""
 
-msgid "Status"
+msgid "Reopen &Last Closed\tCtrl+Shift+T"
 msgstr ""
 
-msgid "Path"
+msgid "Reopen the last closed document"
 msgstr ""
 
-msgid "&Open"
+msgid "&Recent Documents"
 msgstr ""
 
-msgid "&Remove"
+msgid "Open a recent document"
 msgstr ""
 
-msgid "&Clear All"
+msgid "E&xit\tCtrl+Q"
 msgstr ""
 
-msgid ""
-"Are you sure you want to remove this document from the list? This will also "
-"remove its reading position."
+msgid "Exit the application"
 msgstr ""
 
-msgid ""
-"Are you sure you want to remove these {} documents from the list? This will "
-"also remove their reading positions."
+msgid "&Find...\tCtrl+F"
 msgstr ""
 
-msgid "Confirm"
+msgid "Find text in the document"
 msgstr ""
 
-msgid ""
-"Are you sure you want to remove all documents from the list? This will also "
-"remove all reading positions and bookmarks."
+msgid "Find &Next\tF3"
 msgstr ""
 
-msgid "Open As"
+msgid "Find next occurrence"
 msgstr ""
 
-msgid ""
-"No suitable parser was found for {}.\n"
-"How would you like to open this file?"
+msgid "Find &Previous\tShift+F3"
 msgstr ""
 
-msgid "Open &as:"
+msgid "Find previous occurrence"
 msgstr ""
 
-msgid "Plain Text"
+msgid "Go to &line...\tCtrl+G"
 msgstr ""
 
-msgid "HTML"
+msgid "Go to a specific line"
 msgstr ""
 
-msgid "Markdown"
+msgid "Go to &percent...\tCtrl+Shift+G"
 msgstr ""
 
-msgid "Open"
+msgid "Go to a percentage of the document"
 msgstr ""
 
-msgid "Closed"
+msgid "Go &Back\tAlt+Left"
 msgstr ""
 
-msgid "Missing"
+msgid "Go back in history"
 msgstr ""
 
-msgid "Sleep Timer"
+msgid "Go &Forward\tAlt+Right"
 msgstr ""
 
-msgid "&Minutes:"
+msgid "Go forward in history"
 msgstr ""
 
-msgid "Elements"
+msgid "&Sections"
 msgstr ""
 
-msgid "&View:"
+msgid "Navigate by sections"
 msgstr ""
 
-msgid "Headings"
+msgid "&Headings"
 msgstr ""
 
-msgid "Links"
+msgid "Navigate by headings"
 msgstr ""
 
-msgid "An accessible, lightweight, fast ebook and document reader"
+msgid "&Pages"
 msgstr ""
 
-msgid "File not found: {}"
+msgid "Navigate by pages"
 msgstr ""
 
-msgid "Password is required."
+msgid "&Bookmarks"
 msgstr ""
 
-msgid "Navigated to internal link."
+msgid "Navigate by bookmarks"
 msgstr ""
 
-msgid "Table View"
+msgid "&Links"
 msgstr ""
 
-msgid "Ready"
+msgid "Navigate by links"
 msgstr ""
 
-msgid "&Password:"
+msgid "&Images"
 msgstr ""
 
-msgid "Document Password"
+msgid "Navigate by images"
 msgstr ""
 
-msgid "Failed to load document."
+msgid "&Figures"
 msgstr ""
 
-msgid "Create &bookmark"
+msgid "Navigate by figures"
 msgstr ""
 
-msgid "Create bookmark"
+msgid "&Tables"
 msgstr ""
 
-msgid "Bookmark with &note"
+msgid "Navigate by tables"
 msgstr ""
 
-msgid "Create bookmark with note"
+msgid "&Separators"
 msgstr ""
 
-msgid "&Find"
+msgid "Navigate by separators"
 msgstr ""
 
-msgid "Find text"
+msgid "&Lists"
 msgstr ""
 
-msgid "Find &next"
+msgid "Navigate by lists"
 msgstr ""
 
-msgid "Find next match"
+msgid "&Import Document Data...\tCtrl+Shift+I"
 msgstr ""
 
-msgid "Find &previous"
+msgid "Import bookmarks and position"
 msgstr ""
 
-msgid "Find previous match"
+msgid "&Export Document Data...\tCtrl+Shift+E"
 msgstr ""
 
-msgid "Go to &page"
+msgid "Export bookmarks and position"
 msgstr ""
 
-msgid "Go to &line"
+msgid "Export to &Plain Text...\tCtrl+E"
 msgstr ""
 
-msgid "Go to line"
+msgid "Export document as plain text"
 msgstr ""
 
-msgid "Go to &percent"
+msgid "&Word Count\tRawCtrl+W"
 msgstr ""
 
-msgid "Go to percent"
+msgid "&Word Count\tCtrl+W"
 msgstr ""
 
-msgid "Find"
+msgid "Show word count"
 msgstr ""
 
-msgid "Find &what:"
+msgid "Document &Info\tCtrl+I"
 msgstr ""
 
-msgid "&Match case"
+msgid "Show document information"
 msgstr ""
 
-msgid "Match &whole word"
+msgid "&Table of Contents\tCtrl+T"
 msgstr ""
 
-msgid "Use &regular expressions"
+msgid "Show table of contents"
 msgstr ""
 
-msgid "Find &Previous"
+msgid "&Elements List...\tF7"
 msgstr ""
 
-msgid "Find &Next"
+msgid "Show elements list"
 msgstr ""
 
-msgid "Not found."
+msgid "Open &Containing Folder\tCtrl+Shift+C"
 msgstr ""
 
-msgid "No more results. Wrapping search."
+msgid "Open folder containing the document"
 msgstr ""
 
-msgid "Failed to open containing folder."
+msgid "Open in &Web View\tCtrl+Shift+V"
 msgstr ""
 
-msgid ""
-"readme.html not found. Please ensure the application was built properly."
+msgid "Open document in web view"
 msgstr ""
 
-msgid "Failed to launch default browser."
+msgid "I&mport/Export"
 msgstr ""
 
-msgid "Failed to open donation page in browser."
+msgid "Import and export options"
 msgstr ""
 
-msgid "No release notes were provided."
+msgid "Toggle &Bookmark\tCtrl+Shift+B"
 msgstr ""
 
-msgid "Paperback Update"
+msgid "Bookmark with &Note\tCtrl+Shift+N"
 msgstr ""
 
-msgid "Downloading update..."
+msgid "&Options\tCtrl+,"
 msgstr ""
 
-msgid "No updates available."
+msgid "&Sleep Timer...\tCtrl+Shift+S"
 msgstr ""
 
-msgid "No updates available. Latest version: {}"
+msgid "&About Paperback\tCtrl+F1"
 msgstr ""
 
-msgid "Info"
+msgid "About this application"
 msgstr ""
 
-#, c-format
-msgid "Failed to check for updates. HTTP status: %d"
+msgid "View Help in &Browser\tF1"
 msgstr ""
 
-msgid "Error checking for updates."
+msgid "View help in default browser"
 msgstr ""
 
-msgid "Failed to get current exe path"
+msgid "View Help in &Paperback\tShift+F1"
 msgstr ""
 
-msgid "Failed to launch installer script"
+msgid "View help in Paperback"
 msgstr ""
 
-msgid "Failed to launch update script"
+msgid "Check for &Updates\tCtrl+Shift+U"
 msgstr ""
 
-msgid "Unknown update file format."
+msgid "Check for updates"
 msgstr ""
 
-msgid "Update failed"
+msgid "&Donate\tCtrl+D"
 msgstr ""
 
-msgid "Unsupported format selected."
+msgid "Support Paperback development"
 msgstr ""
 
-msgid "Paperback"
+msgid "(No recent documents)"
 msgstr ""
 
-msgid "Paperback - {}"
+msgid "Show All...\tCtrl+R"
 msgstr ""
 
-msgid "{} chars"
+msgid "&Restore"
 msgstr ""
 
-msgid "Open Document"
+msgid "Restore Paperback"
 msgstr ""
 
-msgid "No pages."
+msgid "E&xit"
 msgstr ""
 
-msgid "document"
+msgid "Exit Paperback"
 msgstr ""
 
-msgid "Plain text files (*.txt)|*.txt|All files (*.*)|*.*"
+msgid "Failed to create IPC server"
 msgstr ""
 
-msgid "Export document to plain text"
+msgid "Warning"
 msgstr ""
 
-msgid "Failed to export document."
+msgid "Line"
 msgstr ""
 
-msgid "Paperback files (*.paperback)|*.paperback"
+msgid "Character"
 msgstr ""
 
-msgid "Export notes and bookmarks"
+msgid "Reading"
 msgstr ""
 
-msgid "Notes and bookmarks exported successfully."
+msgid "Sleep timer"
 msgstr ""
 
-msgid "Export Successful"
+msgid "Ready"
 msgstr ""
 
-msgid "Import notes and bookmarks"
+msgid "Failed to open containing folder."
 msgstr ""
 
-msgid "Notes and bookmarks imported successfully."
+msgid "Error"
 msgstr ""
 
-msgid "Import Successful"
+msgid ""
+"readme.html not found. Please ensure the application was built properly."
 msgstr ""
 
-msgid "The document contains {} words."
+msgid "Failed to launch default browser."
 msgstr ""
 
-msgid "Word count"
+msgid "Failed to open donation page in browser."
 msgstr ""
 
-msgid "No table of contents."
+msgid "No release notes were provided."
 msgstr ""
 
-msgid "Web View"
+msgid "Paperback Update"
 msgstr ""
 
-msgid "Could not determine content to display in Web View."
+msgid "Downloading update..."
 msgstr ""
 
-msgid "Sleep timer cancelled."
+msgid "No updates available."
 msgstr ""
 
-msgid "Sleep timer set for 1 minute."
+msgid "No updates available. Latest version: {}"
+msgstr ""
+
+msgid "Info"
 msgstr ""
 
 #, c-format
-msgid "Sleep timer set for %d minutes."
+msgid "Failed to check for updates. HTTP status: %d"
 msgstr ""
 
-msgid "No recent documents."
+msgid "Error checking for updates."
 msgstr ""
 
-msgid "Previous Section\t["
+msgid "Failed to get current exe path"
 msgstr ""
 
-msgid "Go to previous section"
+msgid "Failed to launch installer script"
 msgstr ""
 
-msgid "Next Section\t]"
+msgid "Failed to launch update script"
 msgstr ""
 
-msgid "Go to next section"
+msgid "Unknown update file format."
 msgstr ""
 
-msgid "Go to &Page\tCtrl+P"
+msgid "Update failed"
 msgstr ""
 
-msgid "Previous Pa&ge\tShift+P"
+msgid "Unsupported format selected."
 msgstr ""
 
-msgid "Next Pag&e\tP"
+msgid "Options"
 msgstr ""
 
-msgid "Previous Lin&k\tShift+K"
+msgid "&Restore previously opened documents on startup"
 msgstr ""
 
-msgid "Next Lin&k\tK"
+msgid "&Word wrap"
 msgstr ""
 
-msgid "Previous Ima&ge\tShift+G"
+msgid "&Minimize to system tray"
 msgstr ""
 
-msgid "Next Ima&ge\tG"
+msgid "&Start maximized"
 msgstr ""
 
-msgid "Previous Figu&re\tShift+F"
+msgid "Show compact &go menu"
 msgstr ""
 
-msgid "Next Figu&re\tF"
+msgid "&Wrap navigation"
 msgstr ""
 
-msgid "Previous &Table\tShift+T"
+msgid "Play &sounds on bookmarks and notes"
 msgstr ""
 
-msgid "Next &Table\tT"
+msgid "Check for &updates on startup"
 msgstr ""
 
-msgid "Previous Se&parator\tShift+S"
+msgid "Number of &recent documents to show:"
 msgstr ""
 
-msgid "Next Se&parator\tS"
+msgid "&Language:"
 msgstr ""
 
-msgid "Previous L&ist\tShift+L"
+msgid "Update Channel:"
 msgstr ""
 
-msgid "Next L&ist\tL"
+msgid "Stable"
 msgstr ""
 
-msgid "Previous List &Item\tShift+I"
+msgid "Dev"
 msgstr ""
 
-msgid "Next List I&tem\tI"
+msgid "General"
 msgstr ""
 
-msgid "Next Heading Level 1\t1"
+msgid "OK"
 msgstr ""
 
-msgid "Previous Heading Level &2\tShift+2"
+msgid "Cancel"
 msgstr ""
 
-msgid "Next Heading Level 2\t2"
+msgid "Jump to Bookmark"
 msgstr ""
 
-msgid "Previous Heading Level &3\tShift+3"
+msgid "&Filter:"
 msgstr ""
 
-msgid "Next Heading Level 3\t3"
+msgid "All"
 msgstr ""
 
-msgid "Previous Heading Level &4\tShift+4"
+msgid "Bookmarks"
 msgstr ""
 
-msgid "Next Heading Level 4\t4"
+msgid "Notes"
 msgstr ""
 
-msgid "Previous Heading Level &5\tShift+5"
+msgid "&Edit Note"
 msgstr ""
 
-msgid "Next Heading Level 5\t5"
+msgid "&Delete"
+msgstr ""
+
+msgid "&Jump"
+msgstr ""
+
+msgid "&Cancel"
+msgstr ""
+
+msgid "blank"
+msgstr ""
+
+msgid "Please select a bookmark to jump to."
+msgstr ""
+
+msgid "Bookmark Note"
 msgstr ""
 
-msgid "Previous Heading Level &6\tShift+6"
+msgid "Edit bookmark note:"
 msgstr ""
 
-msgid "Next Heading Level 6\t6"
+msgid "View Note"
 msgstr ""
 
-msgid "&Previous Heading\tShift+H"
+msgid "Close"
 msgstr ""
 
-msgid "Go to previous heading"
+msgid "Table of Contents"
 msgstr ""
 
-msgid "&Next Heading\tH"
+msgid "Root"
 msgstr ""
 
-msgid "Go to next heading"
+msgid "Please select a section from the table of contents."
 msgstr ""
 
-msgid "Previous Heading Level &1\tShift+1"
+msgid "No Selection"
 msgstr ""
 
-msgid "&Previous Bookmark\tShift+B"
+msgid "Untitled"
 msgstr ""
 
-msgid "Go to previous bookmark"
+msgid "Document Info"
 msgstr ""
 
-msgid "&Next Bookmark\tB"
+msgid "Path:"
 msgstr ""
 
-msgid "Go to next bookmark"
+msgid "Title:"
 msgstr ""
 
-msgid "Previous &Note\tShift+N"
+msgid "Author:"
 msgstr ""
 
-msgid "Go to previous note"
+msgid "Words:"
 msgstr ""
 
-msgid "Next N&ote\tN"
+msgid "Lines:"
 msgstr ""
 
-msgid "Go to next note"
+msgid "Characters:"
 msgstr ""
 
-msgid "Jump to &All...\tCtrl+B"
+msgid "Characters (excluding spaces):"
 msgstr ""
 
-msgid "Show all bookmarks and notes"
+msgid "Go to Line"
 msgstr ""
 
-msgid "Jump to &Bookmarks Only...\tCtrl+Alt+B"
+msgid "&Line number:"
 msgstr ""
 
-msgid "Show bookmarks only"
+msgid "Go to page"
 msgstr ""
 
-msgid "Jump to Notes &Only...\tCtrl+Alt+M"
+#, c-format
+msgid "Go to page (%d/%d):"
 msgstr ""
 
-msgid "Show notes only"
+msgid "Go to Percent"
 msgstr ""
 
-msgid "&View Note Text\tRawCtrl+Shift+W"
+msgid "&Percent"
 msgstr ""
 
-msgid "&View Note Text\tCtrl+Shift+W"
+msgid "P&ercent:"
 msgstr ""
 
-msgid "View the note at current position"
+msgid "&Yes"
 msgstr ""
 
-msgid "&File"
+msgid "&No"
 msgstr ""
 
-msgid "&Go"
+#, c-format
+msgid "Update to %s"
 msgstr ""
 
-msgid "&Tools"
+msgid "A new version of Paperback is available. Here's what's new:"
 msgstr ""
 
-msgid "&Help"
+msgid "All Documents"
 msgstr ""
 
-msgid "&Open...\tCtrl+O"
+msgid "&search"
 msgstr ""
 
-msgid "Open a document"
+msgid "File Name"
 msgstr ""
 
-msgid "&Close\tCtrl+W"
+msgid "Status"
 msgstr ""
 
-msgid "&Close\tCtrl+F4"
+msgid "Path"
 msgstr ""
 
-msgid "Close the current document"
+msgid "&Open"
 msgstr ""
 
-msgid "Close &All\tCtrl+Shift+W"
+msgid "&Remove"
 msgstr ""
 
-msgid "Close &All\tCtrl+Shift+F4"
+msgid "&Clear All"
 msgstr ""
 
-msgid "Close all documents"
+msgid ""
+"Are you sure you want to remove this document from the list? This will also "
+"remove its reading position."
 msgstr ""
 
-msgid "Reopen &Last Closed\tCtrl+Shift+T"
+msgid ""
+"Are you sure you want to remove these {} documents from the list? This will "
+"also remove their reading positions."
 msgstr ""
 
-msgid "Reopen the last closed document"
+msgid "Confirm"
 msgstr ""
 
-msgid "&Recent Documents"
+msgid ""
+"Are you sure you want to remove all documents from the list? This will also "
+"remove all reading positions and bookmarks."
 msgstr ""
 
-msgid "Open a recent document"
+msgid "Open As"
 msgstr ""
 
-msgid "E&xit\tCtrl+Q"
+msgid ""
+"No suitable parser was found for {}.\n"
+"How would you like to open this file?"
 msgstr ""
 
-msgid "Exit the application"
+msgid "Open &as:"
 msgstr ""
 
-msgid "&Find...\tCtrl+F"
+msgid "Plain Text"
 msgstr ""
 
-msgid "Find text in the document"
+msgid "HTML"
 msgstr ""
 
-msgid "Find &Next\tF3"
+msgid "Markdown"
 msgstr ""
 
-msgid "Find next occurrence"
+msgid "Open"
 msgstr ""
 
-msgid "Find &Previous\tShift+F3"
+msgid "Closed"
 msgstr ""
 
-msgid "Find previous occurrence"
+msgid "Missing"
 msgstr ""
 
-msgid "Go to &line...\tCtrl+G"
+msgid "Sleep Timer"
 msgstr ""
 
-msgid "Go to a specific line"
+msgid "&Minutes:"
 msgstr ""
 
-msgid "Go to &percent...\tCtrl+Shift+G"
+msgid "Elements"
 msgstr ""
 
-msgid "Go to a percentage of the document"
+msgid "&View:"
 msgstr ""
 
-msgid "Go &Back\tAlt+Left"
+msgid "Headings"
 msgstr ""
 
-msgid "Go back in history"
+msgid "Links"
 msgstr ""
 
-msgid "Go &Forward\tAlt+Right"
+msgid "An accessible, lightweight, fast ebook and document reader"
 msgstr ""
 
-msgid "Go forward in history"
+msgid "expanded"
 msgstr ""
 
-msgid "&Sections"
+msgid "collapsed"
 msgstr ""
 
-msgid "Navigate by sections"
+msgid "Find"
 msgstr ""
 
-msgid "&Headings"
+msgid "Find &what:"
 msgstr ""
 
-msgid "Navigate by headings"
+msgid "&Match case"
 msgstr ""
 
-msgid "&Pages"
+msgid "Match &whole word"
 msgstr ""
 
-msgid "Navigate by pages"
+msgid "Use &regular expressions"
 msgstr ""
 
-msgid "&Bookmarks"
+msgid "Find &Previous"
 msgstr ""
 
-msgid "Navigate by bookmarks"
+msgid "Find &Next"
 msgstr ""
 
-msgid "&Links"
+msgid "Not found."
 msgstr ""
 
-msgid "Navigate by links"
+msgid "No more results. Wrapping search."
 msgstr ""
 
-msgid "&Images"
+msgid "Paperback"
 msgstr ""
 
-msgid "Navigate by images"
+msgid "Paperback - {}"
 msgstr ""
 
-msgid "&Figures"
+msgid "{} chars"
 msgstr ""
 
-msgid "Navigate by figures"
+msgid "Open Document"
 msgstr ""
 
-msgid "&Tables"
+msgid "No pages."
 msgstr ""
 
-msgid "Navigate by tables"
+msgid "document"
 msgstr ""
 
-msgid "&Separators"
+msgid "Plain text files (*.txt)|*.txt|All files (*.*)|*.*"
 msgstr ""
 
-msgid "Navigate by separators"
+msgid "Export document to plain text"
 msgstr ""
 
-msgid "&Lists"
+msgid "Failed to export document."
 msgstr ""
 
-msgid "Navigate by lists"
+msgid "Paperback files (*.paperback)|*.paperback"
 msgstr ""
 
-msgid "&Import Document Data...\tCtrl+Shift+I"
+msgid "Export notes and bookmarks"
 msgstr ""
 
-msgid "Import bookmarks and position"
+msgid "Notes and bookmarks exported successfully."
 msgstr ""
 
-msgid "&Export Document Data...\tCtrl+Shift+E"
+msgid "Export Successful"
 msgstr ""
 
-msgid "Export bookmarks and position"
+msgid "Import notes and bookmarks"
 msgstr ""
 
-msgid "Export to &Plain Text...\tCtrl+E"
+msgid "Notes and bookmarks imported successfully."
 msgstr ""
 
-msgid "Export document as plain text"
+msgid "Import Successful"
 msgstr ""
 
-msgid "&Word Count\tRawCtrl+W"
+msgid "The document contains {} words."
 msgstr ""
 
-msgid "&Word Count\tCtrl+W"
+msgid "Word count"
 msgstr ""
 
-msgid "Show word count"
+msgid "No table of contents."
 msgstr ""
 
-msgid "Document &Info\tCtrl+I"
+msgid "Web View"
 msgstr ""
 
-msgid "Show document information"
+msgid "Could not determine content to display in Web View."
 msgstr ""
 
-msgid "&Table of Contents\tCtrl+T"
+msgid "Sleep timer cancelled."
 msgstr ""
 
-msgid "Show table of contents"
+msgid "Sleep timer set for 1 minute."
 msgstr ""
 
-msgid "&Elements List...\tF7"
+#, c-format
+msgid "Sleep timer set for %d minutes."
 msgstr ""
 
-msgid "Show elements list"
+msgid "No recent documents."
 msgstr ""
 
-msgid "Open &Containing Folder\tCtrl+Shift+C"
+msgid "File not found: {}"
 msgstr ""
 
-msgid "Open folder containing the document"
+msgid "Password is required."
 msgstr ""
 
-msgid "Open in &Web View\tCtrl+Shift+V"
+msgid "Navigated to internal link."
 msgstr ""
 
-msgid "Open document in web view"
+msgid "Table View"
 msgstr ""
 
-msgid "I&mport/Export"
+msgid "&Password:"
 msgstr ""
 
-msgid "Import and export options"
+msgid "Document Password"
 msgstr ""
 
-msgid "Toggle &Bookmark\tCtrl+Shift+B"
+msgid "Failed to load document."
 msgstr ""
 
-msgid "Bookmark with &Note\tCtrl+Shift+N"
+msgid "Create &bookmark"
 msgstr ""
 
-msgid "&Options\tCtrl+,"
+msgid "Create bookmark"
 msgstr ""
 
-msgid "&Sleep Timer...\tCtrl+Shift+S"
+msgid "Bookmark with &note"
 msgstr ""
 
-msgid "&About Paperback\tCtrl+F1"
+msgid "Create bookmark with note"
 msgstr ""
 
-msgid "About this application"
+msgid "&Find"
 msgstr ""
 
-msgid "View Help in &Browser\tF1"
+msgid "Find text"
 msgstr ""
 
-msgid "View help in default browser"
+msgid "Find &next"
 msgstr ""
 
-msgid "View Help in &Paperback\tShift+F1"
+msgid "Find next match"
 msgstr ""
 
-msgid "View help in Paperback"
+msgid "Find &previous"
 msgstr ""
 
-msgid "Check for &Updates\tCtrl+Shift+U"
+msgid "Find previous match"
 msgstr ""
 
-msgid "Check for updates"
+msgid "Go to &page"
 msgstr ""
 
-msgid "&Donate\tCtrl+D"
+msgid "Go to &line"
 msgstr ""
 
-msgid "Support Paperback development"
+msgid "Go to line"
 msgstr ""
 
-msgid "(No recent documents)"
+msgid "Go to &percent"
 msgstr ""
 
-msgid "Show All...\tCtrl+R"
+msgid "Go to percent"
 msgstr ""
 
 msgid "No sections."
@@ -1127,23 +1143,13 @@ msgstr ""
 msgid "No note at the current position."
 msgstr ""
 
-msgid "Line"
-msgstr ""
-
-msgid "Character"
-msgstr ""
-
-msgid "Sleep timer"
-msgstr ""
-
-msgid "&Restore"
-msgstr ""
-
-msgid "Restore Paperback"
+msgid "Figure"
 msgstr ""
 
-msgid "E&xit"
+msgid "Image"
 msgstr ""
 
-msgid "Exit Paperback"
+msgid ""
+"This PDF contains images only, with no extractable text. You may need to run "
+"it through OCR software to read its contents."
 msgstr ""
diff --git a/src/ui.rs b/src/ui.rs
index 65dd383b..81e2ef81 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -9,6 +9,7 @@ mod menu_ids;
 mod navigation;
 mod sounds;
 mod status;
+#[cfg(not(target_os = "linux"))]
 mod tray;
 
 pub use app::PaperbackApp;
diff --git a/src/ui/dialogs.rs b/src/ui/dialogs.rs
index 03f91c74..82ac7c07 100644
--- a/src/ui/dialogs.rs
+++ b/src/ui/dialogs.rs
@@ -10,6 +10,13 @@ use std::{
 use bitflags::bitflags;
 use wxdragon::{event::WebViewEvents, ffi, prelude::*, translations::translate as t, widgets::WebView};
 
+#[cfg(target_os = "linux")]
+mod accessible_tree;
+#[cfg(target_os = "linux")]
+mod elements_gtk;
+#[cfg(target_os = "linux")]
+mod toc_gtk;
+
 use crate::{
 	config::ConfigManager,
 	document::{DocumentStats, TocItem},
@@ -29,6 +36,7 @@ const DOC_INFO_WIDTH: i32 = 600;
 const DOC_INFO_HEIGHT: i32 = 400;
 const KEY_DELETE: i32 = 127;
 const KEY_NUMPAD_DELETE: i32 = 330;
+#[cfg(not(target_os = "linux"))]
 const KEY_SPACE: i32 = 32;
 const KEY_ESCAPE: i32 = 27;
 const KEY_RETURN: i32 = 13;
@@ -844,6 +852,14 @@ pub fn show_view_note_dialog(parent: &dyn WxWidget, note_text: &str) {
 }
 
 pub fn show_toc_dialog(parent: &Frame, toc_items: &[TocItem], current_offset: i32) -> Option<i32> {
+	#[cfg(target_os = "linux")]
+	return toc_gtk::show_toc_dialog(parent, toc_items, current_offset);
+	#[cfg(not(target_os = "linux"))]
+	return show_toc_dialog_wx(parent, toc_items, current_offset);
+}
+
+#[cfg(not(target_os = "linux"))]
+fn show_toc_dialog_wx(parent: &Frame, toc_items: &[TocItem], current_offset: i32) -> Option<i32> {
 	let dialog_title = t("Table of Contents");
 	let dialog = Dialog::builder(parent, &dialog_title).build();
 	let selected_offset = Rc::new(Cell::new(-1));
@@ -863,6 +879,7 @@ pub fn show_toc_dialog(parent: &Frame, toc_items: &[TocItem], current_offset: i3
 	}
 }
 
+#[cfg(not(target_os = "linux"))]
 fn build_toc_tree(dialog: Dialog, toc_items: &[TocItem], current_offset: i32) -> (TreeCtrl, TreeItemId) {
 	let tree = TreeCtrl::builder(&dialog)
 		.with_style(TreeCtrlStyle::Default | TreeCtrlStyle::HideRoot)
@@ -876,6 +893,7 @@ fn build_toc_tree(dialog: Dialog, toc_items: &[TocItem], current_offset: i32) ->
 	(tree, root)
 }
 
+#[cfg(not(target_os = "linux"))]
 fn bind_toc_selection(tree: TreeCtrl, selected_offset: Rc<Cell<i32>>) {
 	let tree_for_sel = tree;
 	tree.on_selection_changed(move |event| {
@@ -889,6 +907,7 @@ fn bind_toc_selection(tree: TreeCtrl, selected_offset: Rc<Cell<i32>>) {
 	});
 }
 
+#[cfg(not(target_os = "linux"))]
 fn bind_toc_activation(dialog: Dialog, tree: TreeCtrl, selected_offset: Rc<Cell<i32>>) {
 	let dialog_for_activate = dialog;
 	let tree_for_activate = tree;
@@ -904,6 +923,7 @@ fn bind_toc_activation(dialog: Dialog, tree: TreeCtrl, selected_offset: Rc<Cell<
 	});
 }
 
+#[cfg(not(target_os = "linux"))]
 fn bind_toc_search(tree: TreeCtrl) {
 	// Native Win32 first-letter navigation is used as-is. The only tweak needed is
 	// preventing space from activating the OK button (space fires item_activated on
@@ -919,12 +939,14 @@ fn bind_toc_search(tree: TreeCtrl) {
 	});
 }
 
+#[cfg(not(target_os = "linux"))]
 fn build_toc_buttons(dialog: Dialog) -> (Button, Button) {
 	let ok_button = Button::builder(&dialog).with_label(&t("OK")).build();
 	let cancel_button = Button::builder(&dialog).with_id(wxdragon::id::ID_CANCEL).with_label(&t("Cancel")).build();
 	(ok_button, cancel_button)
 }
 
+#[cfg(not(target_os = "linux"))]
 fn bind_toc_ok(dialog: Dialog, ok_button: Button, selected_offset: Rc<Cell<i32>>) {
 	dialog.set_escape_id(wxdragon::id::ID_CANCEL);
 	let dialog_for_ok = dialog;
@@ -944,6 +966,7 @@ fn bind_toc_ok(dialog: Dialog, ok_button: Button, selected_offset: Rc<Cell<i32>>
 	});
 }
 
+#[cfg(not(target_os = "linux"))]
 fn bind_toc_layout(dialog: Dialog, tree: TreeCtrl, ok_button: Button, cancel_button: Button) {
 	let content_sizer = BoxSizer::builder(Orientation::Vertical).build();
 	content_sizer.add(&tree, 1, SizerFlag::Expand | SizerFlag::All, DIALOG_PADDING);
@@ -956,6 +979,7 @@ fn bind_toc_layout(dialog: Dialog, tree: TreeCtrl, ok_button: Button, cancel_but
 	dialog.centre();
 }
 
+#[cfg(not(target_os = "linux"))]
 fn populate_toc_tree(tree: TreeCtrl, parent: &TreeItemId, items: &[TocItem]) {
 	for item in items {
 		let display_text = if item.name.is_empty() { t("Untitled") } else { item.name.clone() };
@@ -968,6 +992,7 @@ fn populate_toc_tree(tree: TreeCtrl, parent: &TreeItemId, items: &[TocItem]) {
 	}
 }
 
+#[cfg(not(target_os = "linux"))]
 fn find_and_select_item(tree: TreeCtrl, parent: &TreeItemId, offset: i32) -> bool {
 	if let Some((child, mut cookie)) = tree.get_first_child(parent) {
 		let mut current_child = Some(child);
@@ -1912,6 +1937,14 @@ pub fn show_web_view_dialog(
 }
 
 pub fn show_elements_dialog(parent: &Frame, session: &DocumentSession, current_pos: i64) -> Option<i64> {
+	#[cfg(target_os = "linux")]
+	return elements_gtk::show_elements_dialog(parent, session, current_pos);
+	#[cfg(not(target_os = "linux"))]
+	return show_elements_dialog_wx(parent, session, current_pos);
+}
+
+#[cfg(not(target_os = "linux"))]
+fn show_elements_dialog_wx(parent: &Frame, session: &DocumentSession, current_pos: i64) -> Option<i64> {
 	let dialog = Dialog::builder(parent, &t("Elements")).build();
 	let ElementsDialogUi { content_sizer, view_choice, headings_tree, links_list } = build_elements_dialog_ui(dialog);
 	let (selected_offset, link_offsets) = populate_elements_dialog(session, current_pos, headings_tree, links_list);
@@ -1933,6 +1966,7 @@ pub fn show_elements_dialog(parent: &Frame, session: &DocumentSession, current_p
 	}
 }
 
+#[cfg(not(target_os = "linux"))]
 struct ElementsDialogUi {
 	content_sizer: BoxSizer,
 	view_choice: ComboBox,
@@ -1940,6 +1974,7 @@ struct ElementsDialogUi {
 	links_list: ListBox,
 }
 
+#[cfg(not(target_os = "linux"))]
 fn build_elements_dialog_ui(dialog: Dialog) -> ElementsDialogUi {
 	let content_sizer = BoxSizer::builder(Orientation::Vertical).build();
 	let choice_sizer = BoxSizer::builder(Orientation::Horizontal).build();
@@ -1976,6 +2011,7 @@ fn build_elements_dialog_ui(dialog: Dialog) -> ElementsDialogUi {
 	ElementsDialogUi { content_sizer, view_choice, headings_tree, links_list }
 }
 
+#[cfg(not(target_os = "linux"))]
 fn populate_elements_dialog(
 	session: &DocumentSession,
 	current_pos: i64,
@@ -2033,6 +2069,7 @@ fn populate_elements_dialog(
 	(selected_offset, Rc::new(link_offsets))
 }
 
+#[cfg(not(target_os = "linux"))]
 fn bind_elements_view_toggle(view_choice: ComboBox, headings_tree: TreeCtrl, links_list: ListBox, dialog: Dialog) {
 	let headings_tree_for_choice = headings_tree;
 	let links_list_for_choice = links_list;
@@ -2052,6 +2089,7 @@ fn bind_elements_view_toggle(view_choice: ComboBox, headings_tree: TreeCtrl, lin
 	});
 }
 
+#[cfg(not(target_os = "linux"))]
 fn bind_elements_activation(
 	dialog: Dialog,
 	headings_tree: TreeCtrl,
@@ -2088,6 +2126,7 @@ fn bind_elements_activation(
 	});
 }
 
+#[cfg(not(target_os = "linux"))]
 fn build_elements_buttons(dialog: Dialog) -> (Button, Button) {
 	let ok_button = Button::builder(&dialog).with_id(wxdragon::id::ID_OK).with_label(&t("OK")).build();
 	let cancel_button = Button::builder(&dialog).with_id(wxdragon::id::ID_CANCEL).with_label(&t("Cancel")).build();
@@ -2096,6 +2135,7 @@ fn build_elements_buttons(dialog: Dialog) -> (Button, Button) {
 	(ok_button, cancel_button)
 }
 
+#[cfg(not(target_os = "linux"))]
 fn bind_elements_ok_action(
 	dialog: Dialog,
 	view_choice: ComboBox,
@@ -2130,6 +2170,7 @@ fn bind_elements_ok_action(
 	});
 }
 
+#[cfg(not(target_os = "linux"))]
 fn finalize_elements_layout(dialog: Dialog, content_sizer: BoxSizer, ok_button: Button, cancel_button: Button) {
 	let button_sizer = BoxSizer::builder(Orientation::Horizontal).build();
 	button_sizer.add_stretch_spacer(1);
diff --git a/src/ui/dialogs/accessible_tree.rs b/src/ui/dialogs/accessible_tree.rs
new file mode 100644
index 00000000..3366a733
--- /dev/null
+++ b/src/ui/dialogs/accessible_tree.rs
@@ -0,0 +1,262 @@
+use std::{cell::RefCell, ffi::c_void, rc::Rc};
+
+use gtk::{Dialog, Label, ListBox, ListBoxRow, ResponseType, Widget, Window, gdk::EventKey, glib::{Propagation, translate}, prelude::*};
+use wxdragon::{prelude::{Frame, WxWidget}, translations::translate as t};
+
+const GDK_KEY_LEFT: u32 = 0xff51;
+const GDK_KEY_RIGHT: u32 = 0xff53;
+const GDK_KEY_TAB: u32 = 0xff09;
+const GDK_KEY_ISO_LEFT_TAB: u32 = 0xfe20;
+const ATK_POLITENESS_POLITE: i32 = 1;
+
+unsafe extern "C" {
+	safe fn gtk_widget_get_accessible(widget: *mut c_void) -> *mut c_void;
+	unsafe fn atk_object_set_name(obj: *mut c_void, name: *const std::ffi::c_char);
+	unsafe fn g_signal_emit_by_name(instance: *mut c_void, signal_name: *const std::ffi::c_char, ...);
+}
+
+struct RowInfo {
+	depth: i32,
+	has_children: bool,
+	expanded: bool,
+}
+
+/// A GtkListBox that simulates accessible tree expand/collapse behavior.
+pub struct AccessibleTree {
+	pub list_box: ListBox,
+	rows: Rc<RefCell<Vec<RowInfo>>>,
+	offsets: Vec<i64>,
+}
+
+impl AccessibleTree {
+	pub fn new() -> Self {
+		let list_box = ListBox::new();
+		list_box.set_selection_mode(gtk::SelectionMode::Browse);
+		list_box.set_activate_on_single_click(false);
+		Self {
+			list_box,
+			rows: Rc::new(RefCell::new(Vec::new())),
+			offsets: Vec::new(),
+		}
+	}
+
+	/// Add an item to the tree. Items must be added in depth-first order.
+	pub fn add_item(&mut self, name: &str, offset: i64, depth: i32, has_children: bool) {
+		let indent = "  ".repeat(depth as usize);
+		let display_text = format!("{indent}{name}");
+
+		let label = Label::new(Some(&display_text));
+		label.set_xalign(0.0);
+		let row = ListBoxRow::new();
+		row.add(&label);
+		self.list_box.add(&row);
+
+		self.rows.borrow_mut().push(RowInfo { depth, has_children, expanded: false });
+		self.offsets.push(offset);
+
+		let idx = self.offsets.len() - 1;
+		set_row_accessible_name(&self.list_box, &self.rows.borrow(), idx);
+	}
+
+	/// Expand ancestors of the item at the given offset and return its row index.
+	pub fn expand_to_offset(&self, offset: i64) -> Option<i32> {
+		let target_idx = self.offsets.iter().position(|&o| o == offset)?;
+		let mut info = self.rows.borrow_mut();
+		let target_depth = info[target_idx].depth;
+		let mut required_depth = target_depth - 1;
+		if required_depth >= 0 {
+			for j in (0..target_idx).rev() {
+				if info[j].depth == required_depth {
+					info[j].expanded = true;
+					set_row_accessible_name(&self.list_box, &info, j);
+					if required_depth == 0 {
+						break;
+					}
+					required_depth -= 1;
+				}
+			}
+		}
+		update_visibility(&self.list_box, &info);
+		Some(target_idx as i32)
+	}
+
+	/// Show the tree with initial visibility applied, and focus the given row index.
+	pub fn show_and_focus(&self, focus_idx: i32) {
+		update_visibility(&self.list_box, &self.rows.borrow());
+		if let Some(row) = self.list_box.row_at_index(focus_idx) {
+			self.list_box.select_row(Some(&row));
+			row.grab_focus();
+		}
+	}
+
+	/// Connect selection tracking, activation, and key handling.
+	/// `shift_tab_target`: widget to focus on Shift-Tab.
+	pub fn connect_events(&self, dialog: &Dialog, on_select: Rc<dyn Fn(i64)>, shift_tab_target: impl IsA<Widget> + 'static) {
+		let offsets_for_sel = self.offsets.clone();
+		self.list_box.connect_row_selected(move |_, row| {
+			if let Some(row) = row {
+				let idx = row.index() as usize;
+				if let Some(&offset) = offsets_for_sel.get(idx) {
+					on_select(offset);
+				}
+			}
+		});
+
+		let dialog_clone = dialog.clone();
+		self.list_box.connect_row_activated(move |_, _| {
+			dialog_clone.response(ResponseType::Ok);
+		});
+
+		let rows_for_key = Rc::clone(&self.rows);
+		let dialog_for_key = dialog.clone();
+		let shift_target: Widget = shift_tab_target.upcast();
+		self.list_box.connect_key_press_event(move |lb, event| {
+			handle_key(lb, event, &rows_for_key, &dialog_for_key, &shift_target)
+		});
+	}
+}
+
+fn handle_key(lb: &ListBox, event: &EventKey, rows: &Rc<RefCell<Vec<RowInfo>>>, dialog: &Dialog, shift_tab_target: &Widget) -> Propagation {
+	let keyval = *event.keyval();
+
+	if keyval == GDK_KEY_TAB || keyval == GDK_KEY_ISO_LEFT_TAB {
+		if keyval == GDK_KEY_TAB {
+			if let Some(button) = dialog.widget_for_response(ResponseType::Ok) {
+				button.grab_focus();
+			}
+		} else {
+			shift_tab_target.grab_focus();
+		}
+		return Propagation::Stop;
+	}
+
+	if keyval != GDK_KEY_LEFT && keyval != GDK_KEY_RIGHT {
+		return Propagation::Proceed;
+	}
+
+	let Some(selected) = lb.selected_row() else { return Propagation::Proceed };
+	let idx = selected.index() as usize;
+	let mut info = rows.borrow_mut();
+	if idx >= info.len() {
+		return Propagation::Proceed;
+	}
+
+	if keyval == GDK_KEY_RIGHT {
+		if info[idx].has_children && !info[idx].expanded {
+			info[idx].expanded = true;
+			update_visibility(lb, &info);
+			notify_expand_change(lb, &info, idx);
+			return Propagation::Stop;
+		}
+	} else if info[idx].has_children && info[idx].expanded {
+		collapse_recursive(&mut info, idx);
+		update_visibility(lb, &info);
+		notify_expand_change(lb, &info, idx);
+		return Propagation::Stop;
+	} else if info[idx].depth > 0 {
+		let parent_depth = info[idx].depth - 1;
+		for j in (0..idx).rev() {
+			if info[j].depth == parent_depth {
+				drop(info);
+				if let Some(row) = lb.row_at_index(j as i32) {
+					lb.select_row(Some(&row));
+					row.grab_focus();
+				}
+				return Propagation::Stop;
+			}
+		}
+	}
+	Propagation::Proceed
+}
+
+fn collapse_recursive(info: &mut [RowInfo], idx: usize) {
+	info[idx].expanded = false;
+	let depth = info[idx].depth;
+	for j in (idx + 1)..info.len() {
+		if info[j].depth <= depth {
+			break;
+		}
+		if info[j].has_children {
+			info[j].expanded = false;
+		}
+	}
+}
+
+fn update_visibility(list_box: &ListBox, info: &[RowInfo]) {
+	for i in 0..info.len() {
+		if let Some(row) = list_box.row_at_index(i as i32) {
+			row.set_visible(is_visible(info, i));
+		}
+	}
+}
+
+fn is_visible(info: &[RowInfo], idx: usize) -> bool {
+	if info[idx].depth == 0 {
+		return true;
+	}
+	let mut required_depth = info[idx].depth - 1;
+	for j in (0..idx).rev() {
+		if info[j].depth == required_depth {
+			if !info[j].expanded {
+				return false;
+			}
+			if required_depth == 0 {
+				return true;
+			}
+			required_depth -= 1;
+		}
+	}
+	false
+}
+
+fn set_row_accessible_name(list_box: &ListBox, info: &[RowInfo], idx: usize) {
+	let Some(row) = list_box.row_at_index(idx as i32) else { return };
+	let label_text = row.child()
+		.and_then(|w| w.downcast::<Label>().ok())
+		.map(|l| l.text().to_string())
+		.unwrap_or_default();
+	let accessible_name = if info[idx].has_children {
+		let state = if info[idx].expanded { t("expanded") } else { t("collapsed") };
+		format!("{label_text}, {state}")
+	} else {
+		label_text
+	};
+	let atk_obj = gtk_widget_get_accessible(row.as_ptr() as *mut c_void);
+	if !atk_obj.is_null() {
+		if let Ok(c_name) = std::ffi::CString::new(accessible_name) {
+			unsafe { atk_object_set_name(atk_obj, c_name.as_ptr()); }
+		}
+	}
+}
+
+fn notify_expand_change(list_box: &ListBox, info: &[RowInfo], idx: usize) {
+	set_row_accessible_name(list_box, info, idx);
+	let Some(row) = list_box.row_at_index(idx as i32) else { return };
+	let state_text = if info[idx].expanded { t("expanded") } else { t("collapsed") };
+	let atk_obj = gtk_widget_get_accessible(row.as_ptr() as *mut c_void);
+	if !atk_obj.is_null() {
+		if let Ok(c_msg) = std::ffi::CString::new(state_text) {
+			unsafe {
+				g_signal_emit_by_name(atk_obj, c"notification".as_ptr(), c_msg.as_ptr(), ATK_POLITENESS_POLITE);
+				g_signal_emit_by_name(atk_obj, c"announcement".as_ptr(), c_msg.as_ptr());
+			}
+		}
+	}
+}
+
+pub fn set_transient_parent(dialog: &Dialog, parent: &Frame) {
+	let handle = parent.get_handle();
+	if handle.is_null() {
+		return;
+	}
+	unsafe {
+		let gtk_widget: Widget = translate::from_glib_none(handle as *mut gtk::ffi::GtkWidget);
+		if let Some(toplevel) = gtk_widget.toplevel() {
+			if toplevel.is_toplevel() {
+				if let Ok(window) = toplevel.downcast::<Window>() {
+					dialog.set_transient_for(Some(&window));
+				}
+			}
+		}
+	}
+}
diff --git a/src/ui/dialogs/elements_gtk.rs b/src/ui/dialogs/elements_gtk.rs
new file mode 100644
index 00000000..cb5b489c
--- /dev/null
+++ b/src/ui/dialogs/elements_gtk.rs
@@ -0,0 +1,176 @@
+use std::{cell::Cell, rc::Rc};
+
+use gtk::{Dialog, ListBox as GtkListBox, PolicyType, ResponseType, Widget, Window, glib::Propagation, prelude::*};
+use wxdragon::{prelude::Frame, translations::translate as t};
+
+use super::accessible_tree::{self, AccessibleTree};
+use crate::session::DocumentSession;
+
+pub fn show_elements_dialog(parent: &Frame, session: &DocumentSession, current_pos: i64) -> Option<i64> {
+	gtk::init().ok()?;
+
+	let dialog = Dialog::with_buttons(
+		Some(&t("Elements")),
+		Window::NONE,
+		gtk::DialogFlags::MODAL | gtk::DialogFlags::DESTROY_WITH_PARENT,
+		&[(&t("OK"), ResponseType::Ok), (&t("Cancel"), ResponseType::Cancel)],
+	);
+	accessible_tree::set_transient_parent(&dialog, parent);
+	dialog.set_default_size(400, 500);
+	dialog.set_default_response(ResponseType::Ok);
+
+	let selected_offset = Rc::new(Cell::new(-1i64));
+
+	// View switcher
+	let view_combo = gtk::ComboBoxText::new();
+	view_combo.append_text(&t("Headings"));
+	view_combo.append_text(&t("Links"));
+	view_combo.set_active(Some(0));
+
+	// Headings tree
+	let mut headings_tree = AccessibleTree::new();
+	let tree_data = session.heading_tree(current_pos);
+	populate_headings(&mut headings_tree, &tree_data.items);
+	let headings_select_idx = if tree_data.closest_index >= 0 {
+		// The heading tree uses flat indices; find the matching row
+		tree_data.items.get(tree_data.closest_index as usize)
+			.and_then(|item| headings_tree.expand_to_offset(i64::try_from(item.offset).unwrap_or(i64::MAX)))
+	} else {
+		None
+	};
+
+	let sel_headings = Rc::clone(&selected_offset);
+	headings_tree.connect_events(&dialog, Rc::new(move |offset| sel_headings.set(offset)), view_combo.clone());
+
+	let headings_scrolled = gtk::ScrolledWindow::builder()
+		.hscrollbar_policy(PolicyType::Automatic)
+		.vscrollbar_policy(PolicyType::Automatic)
+		.build();
+	headings_scrolled.add(&headings_tree.list_box);
+
+	// Links list
+	let links_list = GtkListBox::new();
+	links_list.set_selection_mode(gtk::SelectionMode::Browse);
+	let link_data = session.link_list(current_pos);
+	let mut link_offsets = Vec::new();
+	for item in &link_data.items {
+		let label = gtk::Label::new(Some(&item.text));
+		label.set_xalign(0.0);
+		let row = gtk::ListBoxRow::new();
+		row.add(&label);
+		links_list.add(&row);
+		link_offsets.push(i64::try_from(item.offset).unwrap_or(i64::MAX));
+	}
+	let link_offsets = Rc::new(link_offsets);
+
+	let sel_links = Rc::clone(&selected_offset);
+	let offsets_for_sel = Rc::clone(&link_offsets);
+	links_list.connect_row_selected(move |_, row| {
+		if let Some(row) = row {
+			let idx = row.index() as usize;
+			if let Some(&offset) = offsets_for_sel.get(idx) {
+				sel_links.set(offset);
+			}
+		}
+	});
+
+	let dialog_for_link_activate = dialog.clone();
+	links_list.connect_row_activated(move |_, _| {
+		dialog_for_link_activate.response(ResponseType::Ok);
+	});
+
+	connect_list_tab_handling(&links_list, &dialog, view_combo.clone());
+
+	let links_scrolled = gtk::ScrolledWindow::builder()
+		.hscrollbar_policy(PolicyType::Automatic)
+		.vscrollbar_policy(PolicyType::Automatic)
+		.build();
+	links_scrolled.add(&links_list);
+
+	// Layout
+	let content = dialog.content_area();
+	content.pack_start(&view_combo, false, false, 5);
+	content.pack_start(&headings_scrolled, true, true, 0);
+	content.pack_start(&links_scrolled, true, true, 0);
+
+	// View toggle
+	let headings_scrolled_for_toggle = headings_scrolled.clone();
+	let links_scrolled_for_toggle = links_scrolled.clone();
+	view_combo.connect_changed(move |combo| {
+		let is_headings = combo.active() == Some(0);
+		headings_scrolled_for_toggle.set_visible(is_headings);
+		links_scrolled_for_toggle.set_visible(!is_headings);
+	});
+
+	dialog.show_all();
+	links_scrolled.set_visible(false);
+
+	headings_tree.show_and_focus(headings_select_idx.unwrap_or(0));
+	if !link_data.items.is_empty() {
+		let link_idx = if link_data.closest_index >= 0 { link_data.closest_index } else { 0 };
+		if let Some(row) = links_list.row_at_index(link_idx) {
+			links_list.select_row(Some(&row));
+		}
+	}
+
+	let response = dialog.run();
+	unsafe { dialog.destroy(); }
+
+	if response == ResponseType::Ok {
+		let offset = selected_offset.get();
+		if offset >= 0 { Some(offset) } else { None }
+	} else {
+		None
+	}
+}
+
+const GDK_KEY_TAB: u32 = 0xff09;
+const GDK_KEY_ISO_LEFT_TAB: u32 = 0xfe20;
+
+fn connect_list_tab_handling(list_box: &GtkListBox, dialog: &Dialog, shift_tab_target: impl IsA<Widget> + 'static) {
+	let dialog_clone = dialog.clone();
+	let shift_target: Widget = shift_tab_target.upcast();
+	list_box.connect_key_press_event(move |_, event| {
+		let keyval = *event.keyval();
+		if keyval == GDK_KEY_TAB || keyval == GDK_KEY_ISO_LEFT_TAB {
+			if keyval == GDK_KEY_TAB {
+				if let Some(button) = dialog_clone.widget_for_response(ResponseType::Ok) {
+					button.grab_focus();
+				}
+			} else {
+				shift_target.grab_focus();
+			}
+			return Propagation::Stop;
+		}
+		Propagation::Proceed
+	});
+}
+
+fn populate_headings(tree: &mut AccessibleTree, items: &[crate::types::HeadingTreeItem]) {
+	// HeadingTreeItem uses flat parent_index references. We need to convert
+	// to depth-first order with depth tracking.
+	let mut depths = Vec::with_capacity(items.len());
+	let mut child_counts = vec![0usize; items.len()];
+
+	// First pass: compute depths and mark which items have children
+	for item in items {
+		let depth = if item.parent_index >= 0 {
+			depths.get(item.parent_index as usize).map_or(0, |&d: &i32| d + 1)
+		} else {
+			0
+		};
+		depths.push(depth);
+		if item.parent_index >= 0 {
+			if let Ok(pi) = usize::try_from(item.parent_index) {
+				child_counts[pi] += 1;
+			}
+		}
+	}
+
+	// Second pass: add items (already in depth-first order from session)
+	for (i, item) in items.iter().enumerate() {
+		let name = if item.text.is_empty() { t("Untitled") } else { item.text.clone() };
+		let offset = i64::try_from(item.offset).unwrap_or(i64::MAX);
+		tree.add_item(&name, offset, depths[i], child_counts[i] > 0);
+	}
+}
diff --git a/src/ui/dialogs/toc_gtk.rs b/src/ui/dialogs/toc_gtk.rs
new file mode 100644
index 00000000..60788c45
--- /dev/null
+++ b/src/ui/dialogs/toc_gtk.rs
@@ -0,0 +1,66 @@
+use std::{cell::Cell, rc::Rc};
+
+use gtk::{Dialog, PolicyType, ResponseType, Window, prelude::*};
+use wxdragon::{prelude::Frame, translations::translate as t};
+
+use super::accessible_tree::{self, AccessibleTree};
+use crate::document::TocItem;
+
+pub fn show_toc_dialog(parent: &Frame, toc_items: &[TocItem], current_offset: i32) -> Option<i32> {
+	gtk::init().ok()?;
+
+	let dialog = Dialog::with_buttons(
+		Some(&t("Table of Contents")),
+		Window::NONE,
+		gtk::DialogFlags::MODAL | gtk::DialogFlags::DESTROY_WITH_PARENT,
+		&[(&t("OK"), ResponseType::Ok), (&t("Cancel"), ResponseType::Cancel)],
+	);
+	accessible_tree::set_transient_parent(&dialog, parent);
+	dialog.set_default_size(400, 500);
+	dialog.set_default_response(ResponseType::Ok);
+
+	let mut tree = AccessibleTree::new();
+	populate_toc(&mut tree, toc_items, 0);
+
+	let select_idx = if current_offset != -1 {
+		tree.expand_to_offset(i64::from(current_offset))
+	} else {
+		None
+	};
+
+	let selected_offset = Rc::new(Cell::new(-1i64));
+	let sel = Rc::clone(&selected_offset);
+	let cancel = dialog.widget_for_response(ResponseType::Cancel).unwrap();
+	tree.connect_events(&dialog, Rc::new(move |offset| sel.set(offset)), cancel);
+
+	let scrolled = gtk::ScrolledWindow::builder()
+		.hscrollbar_policy(PolicyType::Automatic)
+		.vscrollbar_policy(PolicyType::Automatic)
+		.build();
+	scrolled.add(&tree.list_box);
+	dialog.content_area().pack_start(&scrolled, true, true, 0);
+
+	dialog.show_all();
+	tree.show_and_focus(select_idx.unwrap_or(0));
+
+	let response = dialog.run();
+	unsafe { dialog.destroy(); }
+
+	if response == ResponseType::Ok {
+		let offset = selected_offset.get();
+		if offset >= 0 { Some(offset as i32) } else { None }
+	} else {
+		None
+	}
+}
+
+fn populate_toc(tree: &mut AccessibleTree, items: &[TocItem], depth: i32) {
+	for item in items {
+		let name = if item.name.is_empty() { t("Untitled") } else { item.name.clone() };
+		let offset = i64::try_from(item.offset).unwrap_or(i64::MAX);
+		tree.add_item(&name, offset, depth, !item.children.is_empty());
+		if !item.children.is_empty() {
+			populate_toc(tree, &item.children, depth + 1);
+		}
+	}
+}
diff --git a/src/ui/document_manager.rs b/src/ui/document_manager.rs
index edb6a462..690bd65d 100644
--- a/src/ui/document_manager.rs
+++ b/src/ui/document_manager.rs
@@ -6,6 +6,8 @@ use std::{
 	sync::{Mutex, atomic::Ordering},
 	time::Instant,
 };
+#[cfg(target_os = "linux")]
+use std::collections::HashMap;
 
 use wxdragon::{
 	event::{EventType, WindowEventData},
@@ -39,10 +41,12 @@ pub struct DocumentManager {
 	last_position_save: Cell<Option<Instant>>,
 	last_sound_position: Cell<Option<i64>>,
 	recently_closed: Vec<PathBuf>,
+	#[cfg(target_os = "linux")]
+	navigation_key_map: Rc<HashMap<(i32, bool), i32>>,
 }
 
 impl DocumentManager {
-	pub const fn new(
+	pub fn new(
 		frame: Frame,
 		notebook: Notebook,
 		config: Rc<Mutex<ConfigManager>>,
@@ -57,6 +61,8 @@ impl DocumentManager {
 			last_position_save: Cell::new(None),
 			last_sound_position: Cell::new(None),
 			recently_closed: Vec::new(),
+			#[cfg(target_os = "linux")]
+			navigation_key_map: Rc::new(build_navigation_key_map()),
 		}
 	}
 
@@ -131,6 +137,9 @@ impl DocumentManager {
 		let config = self.config.lock().unwrap();
 		let mut session = session;
 		let word_wrap = config.get_app_bool("word_wrap", false);
+		#[cfg(target_os = "linux")]
+		let text_ctrl = Self::build_text_ctrl(panel, word_wrap, self_rc, self.frame, Rc::clone(&self.navigation_key_map));
+		#[cfg(not(target_os = "linux"))]
 		let text_ctrl = Self::build_text_ctrl(panel, word_wrap, self_rc);
 		let sizer = BoxSizer::builder(Orientation::Vertical).build();
 		sizer.add(&text_ctrl, 1, SizerFlag::Expand | SizerFlag::All, 0);
@@ -401,6 +410,9 @@ impl DocumentManager {
 			let old_ctrl = tab.text_ctrl;
 			let current_pos = old_ctrl.get_insertion_point();
 			let content = old_ctrl.get_value();
+			#[cfg(target_os = "linux")]
+			let text_ctrl = Self::build_text_ctrl(tab.panel, word_wrap, self_rc, self.frame, Rc::clone(&self.navigation_key_map));
+			#[cfg(not(target_os = "linux"))]
 			let text_ctrl = Self::build_text_ctrl(tab.panel, word_wrap, self_rc);
 			let sizer = BoxSizer::builder(Orientation::Vertical).build();
 			sizer.add(&text_ctrl, 1, SizerFlag::Expand | SizerFlag::All, 0);
@@ -416,7 +428,13 @@ impl DocumentManager {
 		}
 	}
 
-	fn build_text_ctrl(panel: Panel, word_wrap: bool, self_rc: &Rc<Mutex<Self>>) -> TextCtrl {
+	fn build_text_ctrl(
+		panel: Panel,
+		word_wrap: bool,
+		self_rc: &Rc<Mutex<Self>>,
+		#[cfg(target_os = "linux")] frame: Frame,
+		#[cfg(target_os = "linux")] navigation_key_map: Rc<HashMap<(i32, bool), i32>>,
+	) -> TextCtrl {
 		let style = TextCtrlStyle::MultiLine
 			| TextCtrlStyle::ReadOnly
 			| TextCtrlStyle::Rich2
@@ -454,6 +472,10 @@ impl DocumentManager {
 			}
 		});
 		let text_ctrl_for_menu = text_ctrl;
+		#[cfg(target_os = "linux")]
+		let key_map = navigation_key_map;
+		#[cfg(target_os = "linux")]
+		let frame_for_keys = frame;
 		text_ctrl.on_key_down(move |event| {
 			if let WindowEventData::Keyboard(kbd) = &event {
 				if let Some(key) = kbd.get_key_code() {
@@ -462,6 +484,14 @@ impl DocumentManager {
 						show_reader_context_menu(text_ctrl_for_menu);
 						return;
 					}
+					#[cfg(target_os = "linux")]
+					if !kbd.control_down() && !kbd.alt_down() {
+						if let Some(&menu_id) = key_map.get(&(key, kbd.shift_down())) {
+							kbd.event.skip(false);
+							frame_for_keys.process_menu_command(menu_id);
+							return;
+						}
+					}
 				}
 			}
 			event.skip(true);
@@ -531,3 +561,52 @@ fn show_reader_context_menu(text_ctrl: TextCtrl) {
 		.build();
 	text_ctrl.popup_menu(&mut menu, None);
 }
+
+/// Build a map from (key_code, shift) to menu ID for single-key navigation shortcuts.
+/// Parses shortcut strings from menu entry labels to stay in sync with menu definitions.
+#[cfg(target_os = "linux")]
+fn build_navigation_key_map() -> HashMap<(i32, bool), i32> {
+	use super::menu::{self, MenuEntry};
+
+	let mut map = HashMap::new();
+	let all_entries = [
+		menu::headings_entries(),
+		menu::sections_entries(),
+		menu::pages_entries(),
+		menu::links_entries(),
+		menu::tables_entries(),
+		menu::separators_entries(),
+		menu::lists_entries(),
+		menu::bookmarks_entries(),
+	];
+	for entries in &all_entries {
+		for entry in entries {
+			if let MenuEntry::Item(spec) = entry {
+				if let Some((key, shift)) = parse_single_key_shortcut(&spec.label) {
+					map.insert((key, shift), spec.id);
+				}
+			}
+		}
+	}
+	map
+}
+
+/// Parse a single-key or Shift+key shortcut from a menu label like `"&Next Heading\tH"`.
+/// Returns None for shortcuts involving Ctrl, Alt, or function keys.
+#[cfg(target_os = "linux")]
+fn parse_single_key_shortcut(label: &str) -> Option<(i32, bool)> {
+	let shortcut = label.split('\t').nth(1)?;
+	if shortcut.contains("Ctrl") || shortcut.contains("Alt") {
+		return None;
+	}
+	let shift = shortcut.contains("Shift+");
+	let key_name = shortcut.rsplit('+').next()?;
+	if key_name.starts_with('F') && key_name.len() > 1 && key_name[1..].chars().all(|c| c.is_ascii_digit()) {
+		return None;
+	}
+	if key_name.len() == 1 {
+		let key = key_name.as_bytes()[0].to_ascii_uppercase() as i32;
+		return Some((key, shift));
+	}
+	None
+}
diff --git a/src/ui/main_window.rs b/src/ui/main_window.rs
index 073ee472..46a40c55 100644
--- a/src/ui/main_window.rs
+++ b/src/ui/main_window.rs
@@ -20,8 +20,10 @@ use super::{
 	help::{self, MAIN_WINDOW_PTR},
 	menu, menu_ids,
 	navigation::{self, MarkerNavTarget},
-	status, tray,
+	status,
 };
+#[cfg(not(target_os = "linux"))]
+use super::tray;
 use crate::{
 	config::{ConfigManager, UpdateChannel},
 	ipc::IpcCommand,
@@ -46,6 +48,7 @@ pub struct MainWindow {
 	frame: Frame,
 	doc_manager: Rc<Mutex<DocumentManager>>,
 	config: Rc<Mutex<ConfigManager>>,
+	#[cfg(not(target_os = "linux"))]
 	_tray_state: Rc<Mutex<Option<tray::TrayState>>>,
 	_live_region_label: StaticText,
 	_find_dialog: Rc<Mutex<Option<FindDialogState>>>,
@@ -114,11 +117,14 @@ impl MainWindow {
 			}
 			event.skip(true);
 		});
+		#[cfg(not(target_os = "linux"))]
 		let tray_state = Rc::new(Mutex::new(None));
+		#[cfg(not(target_os = "linux"))]
 		tray::bind_tray_events(frame, &doc_manager, &config, &tray_state);
 		{
 			let dm_for_close = Rc::clone(&doc_manager);
 			let config_for_close = Rc::clone(&config);
+			#[cfg(not(target_os = "linux"))]
 			let tray_for_close = Rc::clone(&tray_state);
 			frame.on_close(move |event| {
 				let dm = dm_for_close.lock().unwrap();
@@ -129,12 +135,14 @@ impl MainWindow {
 					cfg.flush();
 				}
 				dm.save_all_positions();
+				#[cfg(not(target_os = "linux"))]
 				if let Some(state) = tray_for_close.lock().unwrap().as_ref() {
 					state.icon.remove_icon();
 				}
 				event.skip(true);
 			});
 		}
+		#[cfg(not(target_os = "linux"))]
 		{
 			let tray_for_destroy = Rc::clone(&tray_state);
 			frame.on_destroy(move |_event| {
@@ -148,6 +156,7 @@ impl MainWindow {
 			frame,
 			doc_manager,
 			config,
+			#[cfg(not(target_os = "linux"))]
 			_tray_state: tray_state,
 			_live_region_label: live_region_label,
 			_find_dialog: find_dialog,
@@ -198,6 +207,7 @@ impl MainWindow {
 		self.frame.request_user_attention(UserAttentionFlag::Info);
 		self.frame.raise();
 		self.doc_manager.lock().unwrap().restore_focus();
+		#[cfg(not(target_os = "linux"))]
 		if let Some(state) = self._tray_state.lock().unwrap().as_mut() {
 			state.icon.remove_icon();
 		}

From 44086379b2cc2d842730b092d3e4b6d7f7b02b04 Mon Sep 17 00:00:00 2001
From: Quin Gillespie <trypsynth@gmail.com>
Date: Mon, 27 Apr 2026 18:50:58 -0600
Subject: [PATCH 2/2] Update strings and lockfile.

---
 Cargo.lock       | 524 +++++++++++++++++++++++++++++++++++++++++++++--
 po/paperback.pot |  50 +++--
 2 files changed, 537 insertions(+), 37 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 815b3531..03b3afd4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -34,6 +34,29 @@ version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
 
+[[package]]
+name = "atk"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "241b621213072e993be4f6f3a9e4b45f65b7e6faad43001be957184b7bb1824b"
+dependencies = [
+ "atk-sys",
+ "glib",
+ "libc",
+]
+
+[[package]]
+name = "atk-sys"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5e48b684b0ca77d2bbadeef17424c2ea3c897d44d566a1617e7e8f30614d086"
+dependencies = [
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "system-deps",
+]
+
 [[package]]
 name = "atomic-waker"
 version = "1.1.2"
@@ -150,6 +173,31 @@ dependencies = [
  "libbz2-rs-sys",
 ]
 
+[[package]]
+name = "cairo-rs"
+version = "0.18.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ca26ef0159422fb77631dc9d17b102f253b876fe1586b03b803e63a309b4ee2"
+dependencies = [
+ "bitflags",
+ "cairo-sys-rs",
+ "glib",
+ "libc",
+ "once_cell",
+ "thiserror 1.0.69",
+]
+
+[[package]]
+name = "cairo-sys-rs"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "685c9fa8e590b8b3d678873528d83411db17242a73fccaed827770ea0fedda51"
+dependencies = [
+ "glib-sys",
+ "libc",
+ "system-deps",
+]
+
 [[package]]
 name = "cbc"
 version = "0.1.2"
@@ -189,6 +237,16 @@ dependencies = [
  "web-time",
 ]
 
+[[package]]
+name = "cfg-expr"
+version = "0.15.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d067ad48b8650848b989a59a86c6c36a995d02d2bf778d45c3c5d57bc2718f02"
+dependencies = [
+ "smallvec",
+ "target-lexicon",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.4"
@@ -525,6 +583,16 @@ dependencies = [
  "simd-adler32",
 ]
 
+[[package]]
+name = "field-offset"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38e2275cc4e4fc009b0669731a1e5ab7ebf11f469eaede2bab9309a5b4d6057f"
+dependencies = [
+ "memoffset",
+ "rustc_version",
+]
+
 [[package]]
 name = "filetime"
 version = "0.2.27"
@@ -611,6 +679,17 @@ version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7e3450815272ef58cec6d564423f6e755e25379b217b0bc688e295ba24df6b1d"
 
+[[package]]
+name = "futures-executor"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf29c38818342a3b26b5b923639e7b1f4a61fc5e76102d4b1981c6dc7a7579d"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-io"
 version = "0.3.32"
@@ -662,6 +741,64 @@ dependencies = [
  "slab",
 ]
 
+[[package]]
+name = "gdk"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9f245958c627ac99d8e529166f9823fb3b838d1d41fd2b297af3075093c2691"
+dependencies = [
+ "cairo-rs",
+ "gdk-pixbuf",
+ "gdk-sys",
+ "gio",
+ "glib",
+ "libc",
+ "pango",
+]
+
+[[package]]
+name = "gdk-pixbuf"
+version = "0.18.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50e1f5f1b0bfb830d6ccc8066d18db35c487b1b2b1e8589b5dfe9f07e8defaec"
+dependencies = [
+ "gdk-pixbuf-sys",
+ "gio",
+ "glib",
+ "libc",
+ "once_cell",
+]
+
+[[package]]
+name = "gdk-pixbuf-sys"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9839ea644ed9c97a34d129ad56d38a25e6756f99f3a88e15cd39c20629caf7"
+dependencies = [
+ "gio-sys",
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "system-deps",
+]
+
+[[package]]
+name = "gdk-sys"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c2d13f38594ac1e66619e188c6d5a1adb98d11b2fcf7894fc416ad76aa2f3f7"
+dependencies = [
+ "cairo-sys-rs",
+ "gdk-pixbuf-sys",
+ "gio-sys",
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "pango-sys",
+ "pkg-config",
+ "system-deps",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.7"
@@ -721,6 +858,85 @@ dependencies = [
  "wasip3",
 ]
 
+[[package]]
+name = "gio"
+version = "0.18.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4fc8f532f87b79cbc51a79748f16a6828fb784be93145a322fa14d06d354c73"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-util",
+ "gio-sys",
+ "glib",
+ "libc",
+ "once_cell",
+ "pin-project-lite",
+ "smallvec",
+ "thiserror 1.0.69",
+]
+
+[[package]]
+name = "gio-sys"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37566df850baf5e4cb0dfb78af2e4b9898d817ed9263d1090a2df958c64737d2"
+dependencies = [
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "system-deps",
+ "winapi",
+]
+
+[[package]]
+name = "glib"
+version = "0.18.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "233daaf6e83ae6a12a52055f568f9d7cf4671dabb78ff9560ab6da230ce00ee5"
+dependencies = [
+ "bitflags",
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-task",
+ "futures-util",
+ "gio-sys",
+ "glib-macros",
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "memchr",
+ "once_cell",
+ "smallvec",
+ "thiserror 1.0.69",
+]
+
+[[package]]
+name = "glib-macros"
+version = "0.18.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bb0228f477c0900c880fd78c8759b95c7636dbd7842707f49e132378aa2acdc"
+dependencies = [
+ "heck 0.4.1",
+ "proc-macro-crate 2.0.2",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+]
+
+[[package]]
+name = "glib-sys"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "063ce2eb6a8d0ea93d2bf8ba1957e78dbab6be1c2220dd3daca57d5a9d869898"
+dependencies = [
+ "libc",
+ "system-deps",
+]
+
 [[package]]
 name = "glob"
 version = "0.3.3"
@@ -740,6 +956,69 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "gobject-sys"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0850127b514d1c4a4654ead6dedadb18198999985908e6ffe4436f53c785ce44"
+dependencies = [
+ "glib-sys",
+ "libc",
+ "system-deps",
+]
+
+[[package]]
+name = "gtk"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd56fb197bfc42bd5d2751f4f017d44ff59fbb58140c6b49f9b3b2bdab08506a"
+dependencies = [
+ "atk",
+ "cairo-rs",
+ "field-offset",
+ "futures-channel",
+ "gdk",
+ "gdk-pixbuf",
+ "gio",
+ "glib",
+ "gtk-sys",
+ "gtk3-macros",
+ "libc",
+ "pango",
+ "pkg-config",
+]
+
+[[package]]
+name = "gtk-sys"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f29a1c21c59553eb7dd40e918be54dccd60c52b049b75119d5d96ce6b624414"
+dependencies = [
+ "atk-sys",
+ "cairo-sys-rs",
+ "gdk-pixbuf-sys",
+ "gdk-sys",
+ "gio-sys",
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "pango-sys",
+ "system-deps",
+]
+
+[[package]]
+name = "gtk3-macros"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52ff3c5b21f14f0736fed6dcfc0bfb4225ebf5725f3c0209edeec181e4d73e9d"
+dependencies = [
+ "proc-macro-crate 1.3.1",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+]
+
 [[package]]
 name = "h2"
 version = "0.4.13"
@@ -774,6 +1053,12 @@ version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4f467dd6dccf739c208452f8014c75c18bb8301b050ad1cfb27153803edb0f51"
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -1132,7 +1417,7 @@ dependencies = [
  "bzip2",
  "cc",
  "tar",
- "thiserror",
+ "thiserror 2.0.18",
  "ureq",
 ]
 
@@ -1244,6 +1529,15 @@ version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
 
+[[package]]
+name = "memoffset"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.17"
@@ -1368,7 +1662,7 @@ dependencies = [
  "rc4",
  "sha1 0.10.6",
  "sha2",
- "thiserror",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -1443,6 +1737,31 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "pango"
+version = "0.18.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ca27ec1eb0457ab26f3036ea52229edbdb74dee1edd29063f5b9b010e7ebee4"
+dependencies = [
+ "gio",
+ "glib",
+ "libc",
+ "once_cell",
+ "pango-sys",
+]
+
+[[package]]
+name = "pango-sys"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "436737e391a843e5933d6d9aa102cb126d501e815b83601365a948a518555dc5"
+dependencies = [
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "system-deps",
+]
+
 [[package]]
 name = "paperback"
 version = "0.8.5"
@@ -1455,6 +1774,7 @@ dependencies = [
  "embed-manifest",
  "encoding_rs",
  "flate2",
+ "gtk",
  "libchm",
  "live-region",
  "minisign-verify",
@@ -1649,13 +1969,57 @@ dependencies = [
  "syn 2.0.117",
 ]
 
+[[package]]
+name = "proc-macro-crate"
+version = "1.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f4c021e1093a56626774e81216a4ce732a735e5bad4868a03f3ed65ca0c3919"
+dependencies = [
+ "once_cell",
+ "toml_edit 0.19.15",
+]
+
+[[package]]
+name = "proc-macro-crate"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b00f26d3400549137f92511a46ac1cd8ce37cb5598a96d382381458b992a5d24"
+dependencies = [
+ "toml_datetime 0.6.3",
+ "toml_edit 0.20.2",
+]
+
 [[package]]
 name = "proc-macro-crate"
 version = "3.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e67ba7e9b2b56446f1d419b1d807906278ffa1a658a8a5d8a39dcb1f5a78614f"
 dependencies = [
- "toml_edit",
+ "toml_edit 0.25.11+spec-1.1.0",
+]
+
+[[package]]
+name = "proc-macro-error"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "version_check",
 ]
 
 [[package]]
@@ -1714,7 +2078,7 @@ dependencies = [
  "rustc-hash",
  "rustls",
  "socket2",
- "thiserror",
+ "thiserror 2.0.18",
  "tokio",
  "tracing",
  "web-time",
@@ -1735,7 +2099,7 @@ dependencies = [
  "rustls",
  "rustls-pki-types",
  "slab",
- "thiserror",
+ "thiserror 2.0.18",
  "tinyvec",
  "tracing",
  "web-time",
@@ -1973,7 +2337,7 @@ checksum = "9c845311f0ff7951c5506121a9ad75aec44d083c31583b2ea5a30bcb0b0abba0"
 dependencies = [
  "cfg-if",
  "glob",
- "proc-macro-crate",
+ "proc-macro-crate 3.5.0",
  "proc-macro2",
  "quote",
  "regex",
@@ -2211,6 +2575,15 @@ dependencies = [
  "zmij",
 ]
 
+[[package]]
+name = "serde_spanned"
+version = "0.6.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf41e0cfaf7226dca15e8197172c295a782857fcb97fad1808a166870dee75a3"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde_spanned"
 version = "1.1.1"
@@ -2413,6 +2786,19 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "system-deps"
+version = "6.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3e535eb8dded36d55ec13eddacd30dec501792ff23a0b1682c38601b8cf2349"
+dependencies = [
+ "cfg-expr",
+ "heck 0.5.0",
+ "pkg-config",
+ "toml 0.8.2",
+ "version-compare",
+]
+
 [[package]]
 name = "tap"
 version = "1.0.1"
@@ -2430,6 +2816,12 @@ dependencies = [
  "xattr",
 ]
 
+[[package]]
+name = "target-lexicon"
+version = "0.12.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61c41af27dd6d1e27b1b16b489db798443478cef1f06a660c96db617ba5de3b1"
+
 [[package]]
 name = "tempfile"
 version = "3.27.0"
@@ -2453,13 +2845,33 @@ dependencies = [
  "utf-8",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+dependencies = [
+ "thiserror-impl 1.0.69",
+]
+
 [[package]]
 name = "thiserror"
 version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 2.0.18",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -2585,6 +2997,18 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "toml"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "185d8ab0dfbb35cf1399a6344d8484209c088f75f8f68230da55d48d95d43e3d"
+dependencies = [
+ "serde",
+ "serde_spanned 0.6.9",
+ "toml_datetime 0.6.3",
+ "toml_edit 0.20.2",
+]
+
 [[package]]
 name = "toml"
 version = "1.1.2+spec-1.1.0"
@@ -2593,11 +3017,20 @@ checksum = "81f3d15e84cbcd896376e6730314d59fb5a87f31e4b038454184435cd57defee"
 dependencies = [
  "indexmap",
  "serde_core",
- "serde_spanned",
- "toml_datetime",
+ "serde_spanned 1.1.1",
+ "toml_datetime 1.1.1+spec-1.1.0",
  "toml_parser",
  "toml_writer",
- "winnow",
+ "winnow 1.0.2",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7cda73e2f1397b1262d6dfdcef8aafae14d1de7748d66822d3bfeeb6d03e5e4b"
+dependencies = [
+ "serde",
 ]
 
 [[package]]
@@ -2609,6 +3042,30 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "toml_edit"
+version = "0.19.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
+dependencies = [
+ "indexmap",
+ "toml_datetime 0.6.3",
+ "winnow 0.5.40",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.20.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "396e4d48bbb2b7554c944bde63101b5ae446cff6ec4a24227428f15eb72ef338"
+dependencies = [
+ "indexmap",
+ "serde",
+ "serde_spanned 0.6.9",
+ "toml_datetime 0.6.3",
+ "winnow 0.5.40",
+]
+
 [[package]]
 name = "toml_edit"
 version = "0.25.11+spec-1.1.0"
@@ -2616,9 +3073,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b59c4d22ed448339746c59b905d24568fcbb3ab65a500494f7b8c3e97739f2b"
 dependencies = [
  "indexmap",
- "toml_datetime",
+ "toml_datetime 1.1.1+spec-1.1.0",
  "toml_parser",
- "winnow",
+ "winnow 1.0.2",
 ]
 
 [[package]]
@@ -2627,7 +3084,7 @@ version = "1.1.2+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2abe9b86193656635d2411dc43050282ca48aa31c2451210f4202550afb7526"
 dependencies = [
- "winnow",
+ "winnow 1.0.2",
 ]
 
 [[package]]
@@ -2850,6 +3307,12 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
+[[package]]
+name = "version-compare"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03c2856837ef78f57382f06b2b8563a2f512f7185d732608fd9176cb3b8edf0e"
+
 [[package]]
 name = "version_check"
 version = "0.9.5"
@@ -3029,6 +3492,22 @@ dependencies = [
  "rustls-pki-types",
 ]
 
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
 [[package]]
 name = "winapi-util"
 version = "0.1.11"
@@ -3038,6 +3517,12 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
 [[package]]
 name = "windows"
 version = "0.62.2"
@@ -3315,6 +3800,15 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"
 
+[[package]]
+name = "winnow"
+version = "0.5.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f593a95398737aeed53e489c785df13f3618e41dbcd6718c6addbf1395aa6876"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "winnow"
 version = "1.0.2"
@@ -3355,7 +3849,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea61de684c3ea68cb082b7a88508a8b27fcc8b797d738bfc99a82facf1d752dc"
 dependencies = [
  "anyhow",
- "heck",
+ "heck 0.5.0",
  "wit-parser",
 ]
 
@@ -3366,7 +3860,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
 dependencies = [
  "anyhow",
- "heck",
+ "heck 0.5.0",
  "indexmap",
  "prettyplease",
  "syn 2.0.117",
diff --git a/po/paperback.pot b/po/paperback.pot
index 12bcb917..6d6a7176 100644
--- a/po/paperback.pot
+++ b/po/paperback.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: paperback 0.8.5\n"
 "Report-Msgid-Bugs-To: https://github.com/trypsynth/paperback/issues\n"
-"POT-Creation-Date: 2026-04-13 15:24-0600\n"
+"POT-Creation-Date: 2026-04-27 18:45-0600\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -34,6 +34,33 @@ msgstr ""
 msgid "Warning"
 msgstr ""
 
+msgid "expanded"
+msgstr ""
+
+msgid "collapsed"
+msgstr ""
+
+msgid "Elements"
+msgstr ""
+
+msgid "OK"
+msgstr ""
+
+msgid "Cancel"
+msgstr ""
+
+msgid "Headings"
+msgstr ""
+
+msgid "Links"
+msgstr ""
+
+msgid "Untitled"
+msgstr ""
+
+msgid "Table of Contents"
+msgstr ""
+
 msgid "Options"
 msgstr ""
 
@@ -148,12 +175,6 @@ msgstr ""
 msgid "Readability"
 msgstr ""
 
-msgid "OK"
-msgstr ""
-
-msgid "Cancel"
-msgstr ""
-
 msgid "Background: Default"
 msgstr ""
 
@@ -223,9 +244,6 @@ msgstr ""
 msgid "Close"
 msgstr ""
 
-msgid "Table of Contents"
-msgstr ""
-
 msgid "Root"
 msgstr ""
 
@@ -235,9 +253,6 @@ msgstr ""
 msgid "No Selection"
 msgstr ""
 
-msgid "Untitled"
-msgstr ""
-
 msgid "1 hour"
 msgstr ""
 
@@ -401,18 +416,9 @@ msgstr ""
 msgid "&Minutes:"
 msgstr ""
 
-msgid "Elements"
-msgstr ""
-
 msgid "&View:"
 msgstr ""
 
-msgid "Headings"
-msgstr ""
-
-msgid "Links"
-msgstr ""
-
 msgid "An accessible, lightweight, fast ebook and document reader"
 msgstr ""