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Re: key bindings

From: Zenaan Harkness
Subject: Re: key bindings
Date: Tue, 20 Jul 2004 14:27:42 +1000



-----Forwarded Message----- 
> From: Phil!Gregory <address@hidden>
> To: Zenaan Harkness <address@hidden>
> Subject: Re: key bindings
> Date: Mon, 19 Jul 2004 23:35:34 -0400
> * Zenaan Harkness <address@hidden> [2004-07-20 08:42 +1000]:
> My, you seem to have a lot of questions.  Fortunately for you, they all
> seem moderatly interesting/hard to find and I have some free time, so I'll
> do my best to answer them.  (I'm sure you did your googling and
> documentation-reading anyway, right?  (Actually, I can see that you've
> definitely been reading documentation.))
> > I don't undestand the above - if "bindkey -d" is an example keybinding,
> > then what key would I press to "Show all of the default key bindings".
> > Or is there some place I can type "bindkey -d" to get this list?
> Screen has a command line, of sorts.  Just type
>   C-a :
> and then you can enter any screen command, including 'bindkey -d'.  If you
> wanted to bind it to a key (which is probably silly; 'C-a ?' should be
> sufficient for everyday use) you could use, say, the command
>   bindkey -k k1 bindkey -d
> > This seems arbitrary. To have a code "k?" for fn keys 1 to 10, and F?
> > being 11 and 12 - like, why?! I hope there is some higher principle than
> > that of consistency at work here.
> As the manpage says, -k uses termcap keynames.  It so happens that, for
> historical reasons, termcap uses k? for 1-10 and F? for 11-63.  (Yes, 63.
> It goes F1-F9,FA-FZ,Fa-Fr.)  termcap has grown up over a long period of
> time and is now rather crufty, but it is a standard that a lot of people
> know, so it's not unreasonable for screen to use its key definitions.
> > Is it possible to do something like:
> > 
> >   bindkey -d -k ^PgUp previous
> >   bindkey -d -k ^PgDn next
> Hm.  I don't see a way to do this with the termcap codes, since I don't
> see one for Ctrl-PgUp.  The hackish approach is to do something like
> 'cat > /dev/null' then press C-v and the key conbination to see what
> characters your terminal sends for that key.  (My gnome-terminal seems to
> send ^[[5;5~ for C-PgUp and ^[[6;5~ for C-PgDn.)  Then you just use
> bindkey to capture that key sequence:
>   bindkey ^[[5;5~ previous
> * Zenaan Harkness <address@hidden> [2004-07-20 09:48 +1000]:
> > I also want to bind HOME and END to go to start and end of command line.
> There are termcap codes for this.  'man 5 termcap' tells me that they are
> kh for Home and @7 for End.
> > Typing CTRL-a a gets a little tedious.
> Indeed.  This is why many people rebind the escape key to something they
> use less often.  I have mine set to C-z.

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