QMessenger

Linux/Unix GUI messenger with Qt, POSIX sockets and threads

Functional features

• private messaging
• group messaging (messages sent to multiple selected users)
• broadcast messaging (messages sent to all online users)
• supporting colored unicode emojies (UTF-16 encoding)
• messages visible in Linux terminal (colors and emojies also supported)
• login and registration (password is stored with sha254 hashing algorithm)
• easy upgradable to support file transfer
• easy upgradable to support SSL secure communication

Files

.
├── client                             - Client side application directory
│   ├── client.cpp                     - 
│   ├── client.hpp                     - sockets, network part functionality of the messenger
│   ├── client.pro                     - 
│   ├── connect_login_register.cpp     - 
│   ├── connect_login_register.hpp     - connect, login and register windows
│   ├── encode_decode.cpp              - 
│   ├── encode_decode.hpp              - helper class for encoding/decoding messages
│   ├── icons                          - 
│   │   └── emoji_icon.png             - 
│   ├── main.cpp                       - main function
│   ├── messenger.cpp                  - 
│   ├── messenger.hpp                  - main window of the messenger, window dispatcher
│   ├── namespace_terminal.hpp         - helper class for formatting output in terminal
│   ├── private_window.cpp             - 
│   ├── private_window.hpp             - private message window
│   ├── resource.qrc                   - 
│   └── stylesheets                    - 
│       ├── emoji-data.txt             - 
│       ├── emoji_final.dat            - 
│       ├── mainwindow_stylesheet.qss  - 
│       └── stylesheet.qss             - 
├── README.md                          - 
└── server                             - Server side application directory
    ├── encode_decode.cpp              - 
    ├── encode_decode.hpp              - helper class for encoding/decoding messages
    ├── makefile                       - 
    ├── namespace_terminal.hpp         - helper class for formatting output in terminal
    ├── registered_users.db            - user information database file
    └── server.cpp                     - the server application

Requirements

• g++ compiler with C++11 standart
• Supporting POSIX standarts
• GNU make
• OpenSSL version 1.1.1 or higher
• QMake version 3.1 or higher
• Qt version 5.9.5 or higher

Compiling and usage:

on server side:

$ sudo apt-get install libssl-dev
$ openssl version
$ make
$ ./server

on client side:

$ sudo apt-get install qt5-default
$ qmake -v
$ qmake
$ make
$ ./client

Screenshot: