to test a keyboard driver,you can modify the driver as your own kdb driver, and you can get the key_vcalue int the editText

keyboard_test\keyboard_test.pro
.............\keyboard_test.pro.user
.............\keythread.cpp
.............\keythread.h
.............\main.cpp
.............\mainwindow.cpp
.............\mainwindow.h
.............\mainwindow.ui
keyboard_test

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