evtest-qt is a simple input device tester for Linux, it is analogous to the evtest command line tool, but with a Qt based GUI. It provides a list of attached input devices and displays which axis and buttons are pressed.

The latest version can be found at:

• http://github.com/Grumbel/evtest-qt/

evtest-qt uses CMake:

mkdir build
cd build
cmake ..
make

For extra warnings run:

cmake .. -DWARNINGS=ON

Since regular users generally don't have direct access to input devices, running as root is often needed:

sudo build/evtest-qt

An event device can also be selected directly from command line:

sudo build/evtest-qt /dev/input/event1