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README.md

nheko

Build Status Build status Stable Version Nightly #nheko-reborn:matrix.org AUR: nheko Download on Flathub

The motivation behind the project is to provide a native desktop app for Matrix that feels more like a mainstream chat app (Riot, Telegram etc) and less like an IRC client.

Translations

Translation status

Help us with translations so as many people as possible will be able to use nheko!

Note regarding End-to-End encryption

Currently the implementation is at best a proof of concept and it should only be used for testing purposes. Most importantly, it is missing device verification, so while your messages and media are encrypted, nheko doesn’t verify who gets the messages.

Features

Most of the features you would expect from a chat application are missing right now but we are getting close to a more feature complete client. Specifically there is support for:

  • E2E encryption.
  • User registration.
  • Creating, joining & leaving rooms.
  • Sending & receiving invites.
  • Sending & receiving files and emoji (inline widgets for images, audio and file messages).
  • Replies with text, images and other media (and actually render them as inline widgets).
  • Typing notifications.
  • Username auto-completion.
  • Message & mention notifications.
  • Redacting messages.
  • Read receipts.
  • Basic communities support.
  • Room switcher (ctrl-K).
  • Light, Dark & System themes.
  • Creating separate profiles (command line only, use --profile=name).

Installation

Releases

Releases for Linux (AppImage), macOS (disk image) & Windows (x64 installer) can be found in the Github releases.

Repositories

Packaging status

Arch Linux

pacaur -S nheko # nheko-git

Debian (10 and above) / Ubuntu (18.04 and above)

sudo apt install nheko

Fedora

sudo dnf install nheko

Gentoo Linux

sudo eselect repository enable matrix
sudo emerge -a nheko

Nix(os)

nix-env -iA nixpkgs.nheko
# or
nix-shell -p nheko --run nheko

Alpine Linux (and postmarketOS)

Make sure you have the testing repositories from edge enabled. Note that this is not needed on postmarketOS.

sudo apk add nheko

Flatpak

flatpak install flathub io.github.NhekoReborn.Nheko

Guix

guix install nheko

macOS (10.14 and above)

with homebrew:

brew cask install nheko

Build Requirements

  • Qt5 (5.10 or greater). Qt 5.7 adds support for color font rendering with Freetype, which is essential to properly support emoji, 5.8 adds some features to make interopability with Qml easier, 5.10 makes sliders actually visible with different palettes.
  • CMake 3.15 or greater. (Lower version may work, but may break boost linking)
  • mtxclient
  • LMDB
  • cmark 0.29 or greater.
  • Boost 1.70 or greater.
  • libolm
  • spdlog
  • A compiler that supports C++ 17:
    • Clang 6 (tested on Travis CI)
    • GCC 7 (tested on Travis CI)
    • MSVC 19.13 (tested on AppVeyor)

Nheko can use bundled version for most of those libraries automatically, if the versions in your distro are too old. To use them, you can enable the hunter integration by passing -DHUNTER_ENABLED=ON. It is probably wise to link those dependencies statically by passing -DBUILD_SHARED_LIBS=OFF You can select which bundled dependencies you want to use py passing various -DUSE_BUNDLED_* flags. By default all dependencies are bundled if you enable hunter. If you experience build issues and you are trying to link mtxclient library without hunter, make sure the library version(commit) as mentioned in the CMakeList.txt is used. Sometimes we have to make breaking changes in mtxclient and for that period the master branch of both repos may not be compatible.

The bundle flags are currently:

  • USE_BUNDLED_BOOST
  • USE_BUNDLED_SPDLOG
  • USE_BUNDLED_OLM
  • USE_BUNDLED_GTEST
  • USE_BUNDLED_CMARK
  • USE_BUNDLED_JSON
  • USE_BUNDLED_OPENSSL
  • USE_BUNDLED_MTXCLIENT
  • USE_BUNDLED_LMDB
  • USE_BUNDLED_LMDBXX
  • USE_BUNDLED_TWEENY

Linux

If you don’t want to install any external dependencies, you can generate an AppImage locally using docker. It is not that well maintained though...

make docker-app-image
Arch Linux
sudo pacman -S qt5-base \
    qt5-tools \
    qt5-multimedia \
    qt5-svg \
    cmake \
    gcc \
    fontconfig \
    lmdb \
    cmark \
    boost
Gentoo Linux
sudo emerge -a ">=dev-qt/qtgui-5.10.0" media-libs/fontconfig
Ubuntu 20.04
# Build requirements + qml modules needed at runtime (you may not need all of them, but the following seem to work according to reports):
sudo apt install g++ cmake zlib1g-dev libssl-dev qt{base,declarative,tools,multimedia,quickcontrols2-}5-dev libqt5svg5-dev libboost-system-dev libboost-thread-dev libboost-iostreams-dev libolm-dev liblmdb++-dev libcmark-dev nlohmann-json3-dev libspdlog-dev libgtest-dev qml-module-qt{gstreamer,multimedia,quick-extras,-labs-settings,graphicaleffects,quick-controls2}

This will install all dependencies, except for tweeny (use bundled tweeny) and mtxclient (needs to be build separately).

Debian Buster (or higher probably)

(User report, not sure if all of those are needed)

sudo apt install cmake gcc make automake liblmdb-dev \
    qt5-default libssl-dev libqt5multimedia5-plugins libqt5multimediagsttools5 libqt5multimediaquick5 libqt5svg5-dev \
    qml-module-qtgstreamer qtmultimedia5-dev qtquickcontrols2-5-dev qttools5-dev qttools5-dev-tools \
    qml-module-qtgraphicaleffects qml-module-qtmultimedia qml-module-qtquick-controls2 qml-module-qtquick-layouts
Guix
guix environment nheko
macOS (Xcode 10.2 or later)
brew update
brew install qt5 lmdb cmake llvm spdlog boost cmark libolm
Windows
  1. Install Visual Studio 2017’s “Desktop Development” and “Linux Development with C++” (for the CMake integration) workloads.

  2. Download the latest Qt for windows installer and install it somewhere. Make sure to install the MSVC 2017 64-bit toolset for at least Qt 5.10 (lower versions does not support VS2017).

  3. If you don’t have openssl installed, you will need to install perl to build it (i.e. Strawberry Perl).

Building

We can now build nheko:

cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release
cmake --build build

To use bundled dependencies you can use hunter, i.e.:

cmake -S. -Bbuild -DHUNTER_ENABLED=ON -DBUILD_SHARED_LIBS=OFF -DUSE_BUNDLED_OPENSSL=OFF
cmake --build build --config Release

Adapt the USE_BUNDLED_* as needed.

If the build fails with the following error

Could not find a package configuration file provided by "Qt5Widgets" with
any of the following names:

Qt5WidgetsConfig.cmake
qt5widgets-config.cmake

You might need to pass -DCMAKE_PREFIX_PATH to cmake to point it at your qt5 install.

e.g on macOS

cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=$(brew --prefix qt5)
cmake --build build

The nheko binary will be located in the build directory.

Windows

After installing all dependencies, you need to edit the CMakeSettings.json to be able to load and compile nheko within Visual Studio.

You need to fill out the paths for the Qt5_DIR. The Qt5 dir should point to the lib\cmake\Qt5 dir.

Examples for the paths are:

  • C:\\Qt\\5.10.1\\msvc2017_64\\lib\\cmake\\Qt5

You should also enable hunter by setting HUNTER_ENABLED to ON and BUILD_SHARED_LIBS to OFF.

Now right click into the root nheko source directory and choose Open in Visual Studio. You can choose the build type Release and Debug in the top toolbar. After a successful CMake generation you can select the nheko.exe as the run target. Now choose Build all in the CMake menu or press F7 to compile the executable.

To be able to run the application the last step is to install the needed Qt dependencies next to the nheko binary.

Start the “Qt x.xx.x 64-bit for Desktop (MSVC 2017)” command promt and run windeployqt.

cd <path-to-nheko>\build-vc\Release\Release
windeployqt nheko.exe

The final binary will be located inside build-vc\Release\Release for the Release build and build-vc\Debug\Debug for the Debug build.

Also copy the respective cmark.dll to the binary dir from build/cmark-build/src/Release (or Debug).

Contributing

See CONTRIBUTING

Screens

Here are some screen shots to get a feel for the UI, but things will probably change.

nheko start nheko login nheko chat nheko settings

Third party

Single Application for Qt