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YAPF/extensions/kde
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Repository files (latest commit first)
Filename Latest commit message Latest commit date
Nexoniarz d7f494a0c9 Language bindings, KDE thumbnails, yapf compare, in-memory encoding 
- yapf_encode() / yapf_free_buffer(): encode to memory; yapf_save uses it
- yapf.c also compiles as C++
- `yapf compare`: size and decode speed of the original format vs YAPF,
  with a lossless check
- bindings with tested examples: C++ (header-only), C# (P/Invoke),
  Rust (crate, builds the C code), Go (cgo), Java (FFM API, Java 22+),
  Zig (@cImport), LuaJIT (FFI), TypeScript types for the JS port;
  Python now encodes in memory
- docs/LANGUAGES.md and examples/ with measured results
- KDE Dolphin thumbnail plugin (KF6, CMake)
- README: honest status for Photoshop / VS Code / Figma (not run in the
  apps yet) and macOS (cross-compiled only), platform table

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-03 14:39:56 +02:00
..
CMakeLists.txt Language bindings, KDE thumbnails, yapf compare, in-memory encoding 2026-10-03 14:39:56 +02:00
kde-shell.nix Language bindings, KDE thumbnails, yapf compare, in-memory encoding 2026-10-03 14:39:56 +02:00
README.md Language bindings, KDE thumbnails, yapf compare, in-memory encoding 2026-10-03 14:39:56 +02:00
yapfthumbnail.cpp Language bindings, KDE thumbnails, yapf compare, in-memory encoding 2026-10-03 14:39:56 +02:00
yapfthumbnail.json Language bindings, KDE thumbnails, yapf compare, in-memory encoding 2026-10-03 14:39:56 +02:00

README.md

YAPF thumbnails for KDE (Dolphin)

Shows previews of .yapf files in Dolphin, the KDE file dialogs and anything else that uses KIO thumbnails. KDE Frameworks 6 / Plasma 6. Files with mipmaps are thumbnailed from the nearest mip level, so even huge textures preview instantly.

Build and install

You need CMake, a C/C++ compiler and the KDE development packages:

System Packages
Arch / Manjaro sudo pacman -S cmake extra-cmake-modules kio
Debian / Ubuntu sudo apt install cmake extra-cmake-modules libkf6kio-dev qt6-base-dev
Fedora sudo dnf install cmake extra-cmake-modules kf6-kio-devel qt6-qtbase-devel
openSUSE sudo zypper install cmake kf6-extra-cmake-modules kf6-kio-devel qt6-base-devel
NixOS nix-shell kde-shell.nix (in this folder) 
cd extensions/kde
cmake -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr
cmake --build build
sudo cmake --install build
update-mime-database /usr/share/mime

This installs the plugin (kf6/thumbcreator/yapfthumbnail.so) and the image/x-yapf file type. Then in Dolphin: Settings → Configure Dolphin → Interface → Previews, tick YAPF Images, and turn previews on.

Without root (per user, also NixOS)

cmake -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$HOME/.local
cmake --build build && cmake --install build
update-mime-database ~/.local/share/mime
mkdir -p ~/.config/plasma-workspace/env
echo 'export QT_PLUGIN_PATH="$HOME/.local/lib/plugins:$QT_PLUGIN_PATH"' > ~/.config/plasma-workspace/env/yapf.sh

Log out and back in, then enable YAPF Images in Dolphin's preview settings. (Some distributions use lib64/plugins or lib/qt6/plugins; cmake --install prints the exact folder.)

Status

Built against KF6 / Qt 6 and tested by loading the plugin through KDE's plugin factory and creating thumbnails (RGBA, RGB, mipmapped, wide images; corrupt files are rejected). Not yet tried inside a running Dolphin.