From: Alex Schroeder <alex@gnu.org>
Cc: "Kim F. Storm" <storm@cua.dk>
Subject: Re: Can someone explain this code in xterm.c?
Date: Mon, 28 Apr 2003 21:16:22 +0200 [thread overview]
Message-ID: <87issysa9l.fsf@gnu.org> (raw)
In-Reply-To: <E19A0PT-00020w-00@fencepost.gnu.org> (Richard Stallman's message of "Mon, 28 Apr 2003 00:38:35 -0400")
Richard Stallman <rms@gnu.org> writes:
> This setting is used in the calculation of the total width of the
> frame window (in macro CHAR_TO_PIXEL_WIDTH), but in other parts of the
> code, the width of the scroll bar _area_ is always calculated as the
> number of scroll bar colums multiplied by the font width (canonical x
> unit).
>
> I think that in some cases the actual display of the scroll bar is
> determined by the number of columns. You can specify a non-integral
> width, but it leaves the excess blank.
>
> I don't remember the reason it is done this way, but I do remember
> there was one.
Perhaps because we want scroll-bars to always look the same even if
the frame-width is not a multiple of of the column-width. This
happens in window managers that have only one maximized window such
as ratpoison. You cannot change the width of frames under such a
window manager, therefore you can either shrink or expand the
scroll-bars, or you can leave some space.
This is just a guess in the dark because I happen to use the
ratpoison window manager.
Alex.
--
http://www.emacswiki.org/cgi-bin/alex.pl
next prev parent reply other threads:[~2003-04-28 19:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-25 1:56 Can someone explain this code in xterm.c? Kim F. Storm
2003-04-28 4:38 ` Richard Stallman
2003-04-28 19:16 ` Alex Schroeder [this message]
2003-04-28 22:16 ` Kim F. Storm
2003-04-29 19:29 ` Richard Stallman
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