The first set of codes is an echo produced by the tty device. The following is what I see when I press Up, Down, Right, Left, Enter, Control- D after starting cat -v: % cat -v Use cat -v to examine which codes are sent when you use the arrow keys. What codes does your terminal actually send? If you have ncurses-based programs that handle the arrow keys OK (maybe using a different installation of ncurses), you might try using the other terminfo entries with htop and vice versa (by setting TERMINFO to the location of the entries from the other ncurses installation). What are some examples of programs that are not affected? It could be that you have a partially corrupted terminfo definition for the terminal specified in TERM (‘partially corrupted’ because the output control sequences must be OK or you would see obvious display anomalies). MacPorts usually uses /opt/local/ as its prefix, so applications that use ncurses from MacPorts will use entries from /opt/local/share/terminfo/.įink usually uses /sw/ as its prefix, so applications that use ncurses from Fink will use entries from /sw/share/terminfo/.ĭoes the TERMINFO environment variable have a value? If so, ncurses (whatever the source) will look in the directory specified therein. Where did you get htop? MacPorts? Fink? other?Īpps compiled with the system-supplied ncurses will use entries from /usr/share/terminfo/. Maybe your TERM environment variable has an odd value? What does echo $TERM report in a window where htop behaves as you have described? TERM should probably be xterm-color, or something similar.
Libncurses install for mac update#
Please update your question with the answers to the following questions: What is TERM?
Libncurses install for mac full#
One reported workaround is to copy the ncurses library from 10.6.2, but this may have unintended side effects.ĮSC is usually the first character of the “control sequence” sent by a terminal (or terminal emulation program like Terminal) for special keys (like the arrow keys, F1, Home, Page Up, etc.).ĮSC also serves as a ‘go back’ key in htop (usually only after a delay, so that slow connections have enough time to send a full control sequence that happens to start with ESC). Addendum: Apparently ncurses in 10.6.3 is brokenĪn answer on SO links to a blog entry that describes some other investigations into the problem.
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