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I am working on a C++ based command line tool and I want to capture the user’s keystrokes in real-time without requiring them to hit Return to commit the input. I can’t seem to find an iostream call to support this kind of behavior but I recall from my college years that it can be done. Can anyone point me in the right direction?
That is outside of the C++ spec and requires OS specific calls. On Posix, you do this by enabling raw or cbreak mode instead of cooked mode.
The easiest way to enable this is via curses.