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From: Matthew Flaschen <matthew.flaschen@gatech.edu>
Cc: help-gnu-emacs@gnu.org
Subject: Re: Alt-v behavior near beginning of buffer
Date: Tue, 30 Jan 2007 10:59:24 -0500	[thread overview]
Message-ID: <45BF6B5C.5090709@gatech.edu> (raw)
In-Reply-To: <epmmuc$gu7$1@sea.gmane.org>


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Kevin Rodgers wrote:
> Matthew Flaschen wrote:
>> I wanted it to go to the beginning of the line either way, so I changed
>> it to:
>>
>> (defun power-bottom ()
>> "Scrolls down a screen if possible, or goes to the bottom of the buffer"
>> (interactive)
>> (if (pos-visible-in-window-p (point-max))
>>     ((lambda()
>>        (goto-char (point-max))
>>        (beginning-of-line)))
>>   (scroll-up)))
>>
>> That lambda syntax took me a while to grasp.  Is there any easier way to
>> do this, short of creating a function just for the lambda?
> 
> Of course:
> 
>     (progn
>       (goto-char (point-max))
>       (beginning-of-line))

Thanks, that's a bit simpler.  I'd seen that command before, but forgot
it (and probably never really understood what it did).

> 
> A good Emacs Lisp exercise would be to allow your new command to accept
> a prefix argument just like scroll-up does, and pass it to scroll-up.

I may do that at some point.

Matt Flaschen



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  reply	other threads:[~2007-01-30 15:59 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-25  1:13 Alt-v behavior near beginning of buffer Matthew Flaschen
2007-01-25  8:47 ` Kevin Rodgers
2007-01-25 15:46   ` Matthew Flaschen
2007-01-25 15:57     ` Matthew Flaschen
2007-01-26  0:25       ` Matthew Flaschen
2007-01-30  6:00         ` Kevin Rodgers
2007-01-30 15:59           ` Matthew Flaschen [this message]
2007-01-31  5:10             ` Kevin Rodgers
2007-01-31  6:29               ` Matthew Flaschen
2007-01-30  6:07       ` Kevin Rodgers
2007-01-30 16:02         ` Matthew Flaschen
     [not found] <mailman.3548.1169687602.2155.help-gnu-emacs@gnu.org>
2007-01-27  5:40 ` Eric Eide
2007-01-27  7:36   ` Matthew Flaschen

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