misc/132199: Errors in the "screen" terminal description termcap
Timur I. Bakeyev
timur at FreeBSD.org
Sat Feb 28 09:00:10 PST 2009
>Number: 132199
>Category: misc
>Synopsis: Errors in the "screen" terminal description termcap
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sat Feb 28 17:00:09 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator: Timur I. Bakeyev
>Release: FreeBSD 7.1-STABLE amd64
>Organization:
Blinck Int.
>Environment:
System: FreeBSD build7.bob.blinck.net 7.1-STABLE FreeBSD 7.1-STABLE #0: Thu Feb 5 18:43:26 UTC 2009 root at build7.bob.blinck.net:/usr/obj/usr/src/sys/BASE amd64
>Description:
In ncurses applications, namely MC with TERM=screen 'End' button
doesn't produce any effect.
>How-To-Repeat:
Compile latest MC from the ports with ncurses and run it under
'screen'. Press 'End' button - nothing happens, you can't teach MC
this button either.
>Fix:
I thought about it as some bug in ncurses, until I came across:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=92215
Date: Fri, 30 Mar 2001 16:48:13 UTC
Severity: normal
Found in versions 5.2.20010318-1, 5.2.20020112a-8
> The problem is that kll is defined to be the same value as
> kend, and (apparently) ncurses checks kll before kend...
Although, it is related to the terminfo, apparently, our termcap
was generated from the same source, as it contains:
SC|screen|VT 100/ANSI X3.64 virtual terminal:\
....
:kh=\E[1~:kI=\E[2~:kD=\E[3~:kH=\E[4~:@7=\E[4~:kP=\E[5~:\
Where:
key_ll kll kH lower-left key (home down)
key_end kend @7 end key
I'd suggest to use the same approach as Debian used, as kH seems
close to non-existing, when End key is quite frequent and usefull.
With regards,
Timur.
>Release-Note:
>Audit-Trail:
>Unformatted:
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