Fernschreiber

A Telegram client for Sailfish OS

Authors

Sebastian J. Wolf sebastian@ygriega.de and several contributors

Contributions

Fernschreiber wouldn't be the same without all the people helping in making it better. Thank you very much to all contributors!

Code (Features, Bugfixes, Optimizations etc.)

Chat list model, chat model, notifications, TDLib receiver, animated stickers, project dependencies, qml/c++ optimizations, chatPhoto, TDLibFile, code reviews, logging categories: Slava Monich
Chat info page, performance improvements to chat page, location support, app initialization/registration with Telegram, project dependencies, emoji handling, qml/js optimizations, multi-message actions, i18n fixes, chat permission handling, code reviews, logging categories: jgibbon
Copy message to clipboard Christian Stemmle

Logo/Icon

Translations

Chinese: dashinfantry
Finnish: jorm1s
Hungarian: edp17
Italian: Matteo
Polish: atlochowski
Russian: Rustem Abzalov and Slava Monich
Spanish: carlosgonz
Swedish: Åke Engelbrektson

License

Licensed under GNU GPLv3

Build

Simply clone this repository and ensure to have all submodules imported as well (e.g. by using git submodule update --init). Then use the project file harbour-fernschreiber.pro to import the sources in your SailfishOS IDE. To build and run Fernschreiber or an application which is based on Fernschreiber, you need to create the file harbour-fernschreiber/src/tdlibsecrets.h and enter the required constants in the following format:

#ifndef TDLIBSECRETS_H
#define TDLIBSECRETS_H
const char TDLIB_API_ID[] = "42424242";
const char TDLIB_API_HASH[] = "1234567890abcdef1234567890abcdef";
#endif // TDLIBSECRETS_H

You get the Telegram API ID and hash as soon as you've registered your own application on https://my.telegram.org.

Moreover, you need to have a compiled version of TDLib 1.7 in the sub-directory tdlib. This sub-directory must contain another sub-directory that fits to the target device architecture (e.g. armv7hl, i486). Within this directory, there needs to be a folder called lib that contains at least libtdjson.so. For armv7hl the relative path would consequently be tdlib/armv7hl/lib.

In case you encounter strange performance issues on startup (several seconds delay, app seems to do nothing), please be sure to follow the instructions from the respective GitHub issue, i.e. let TDLib build SQLite with -DOMIT_MEMLOCK and be sure to comment the two lines 22558 (#ifndef OMIT_MEMLOCK) and 22567 (#endif) in the file sqlite/sqlite/sqlite3.c.

Debug

Fernschreiber does only output a few TDLib messages by default. To get its own debug log messages, you can either run a debug build to see all of them or use the environment variable QT_LOGGING_RULES to specify/filter which messages you'd like to see.

Run QT_LOGGING_RULES="fernschreiber.*=true" harbour-fernschreiber to see all messages or replace the * with specific logging categories. You'll find the logging category inside the corresponding .cpp file for backend usage or you can use JS to only see frontend messages.

Contribute

If you want to contribute bug fixes, improvements, new features etc. please create a pull request (PR). PRs are always welcome and will be reviewed as soon as possible, but may take some time. :)

Credits

This project uses

The Telegram Database Library (TDLib) - available on GitHub.com. Thanks for making it available under the conditions of the Boost Software License 1.0! Details about the license of TDLib in its license file.
Emoji parsing and artwork by Twitter Emoji (Twemoji), copyright 2018 Twitter, Inc and other contributors, Code licensed under the MIT License, Graphics licensed under CC-BY 4.0
Animated sticker parsing and animation by rlottie, copyright 2020 Samsung Electronics Co., Ltd. and other contributors, Code licensed under the MIT License, some rlottie components licensed under other licenses.

Thanks to the maintainers of the used components and - again - all contributors to Fernschreiber!

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