i3shutdown is a small shutdown menu for the i3 window manager. It currently provides three buttons for shutdown, reboot and logout. The programming language used is C together with the GTK+ widget toolkit.
The program can be compiled easily using make:
$ git clone https://github.com/Venji10/i3shutdown
$ cd i3shutdown
$ make i3shutdown
The compiled binary will be named .i3shutdown
To install i3shutdown just run:
$ sudo make install
This will install i3shutdown in /usr/bin/i3shutdown .
You probably have to make it executable:
$ sudo chmod +x /usr/bin/i3shutdown