When getch() returns a zero it means that the next thing you get from it will be an "extended key code" --function keys, arrow keys, etc. Hope this helps. Sep 19, 2008 at 4:10am aeronet (80) Hey Duoas. We've worked on this before...and that didn't work. I never manage...
Another advantage of using the _getch() function in OpenCV is that it allows for non-blocking input. This means that the application can continue to run and process other tasks while waiting for keyboard input. This can be especially beneficial for applications that require real-time input from...
When a character that could be the beginning of a function key is received (which, on modern terminals, means an escape character), curses sets a timer. If the remainder of the sequence does not come in within the designated time, the character is passed through; otherwise, the function ke...