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Date:      Tue, 1 Apr 1997 02:54:32 -0600
From:      Zach Heilig <zach@blizzard.gaffaneys.com>
To:        Josh Gilliam <soil@quick.net>
Cc:        bugs@freebsd.org
Subject:   Re: moused(8) wierdness
Message-ID:  <19970401025432.35366@murkwood.gaffaneys.com>
In-Reply-To: <Pine.BSF.3.96.970331091751.1875B-100000@jg.dyn.ml.org>; from Josh Gilliam <soil@quick.net> on Mon, Mar 31, 1997 at 09:30:18AM -0800
References:  <Pine.BSF.3.96.970331091751.1875B-100000@jg.dyn.ml.org>

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On Mon, Mar 31, 1997 at 09:30:18AM -0800, Josh Gilliam wrote:
> When the moused pointer is moved over an m, M, w, W, *, -, or _ it appears
> as if the character gets larger on the right side.

That would be because the VGA font is 9 pixels wide.  However, you can only
program 8 pixels of the font.  The 8th pixel is copied onto the 9th pixel.
That's always the explaination that was given me.  What I don't quite get is
why the copying only occurs when using a programmed mouse cursor [the same
thing happens with dos programs as well], as opposed to all the time.  Perhaps
it's a text verses graphics font deal.  BTW, it occurs with any font with lit
pixels in the 8th column.  On my display they are:

MTVWXYamuw_ but not the - or *.

With the cp437-[thin-]8x16.fnt loaded, only the _ and the * have the problem.
The iso-thin-8x16.fnt that I use exhibits the list above with artifacts.

I also just noticed a couple other problems:

1) the mouse cursor disappears while under(over?) the text cursor.  I use the
blinking underline, if that makes any difference.

2) Sometimes when switching fonts (so far, only from a wide to a narrow one),
only about half the fonts will actually change, leaving an awfully strange
looking screen (with the wide fonts turning into narrow ones when the mouse
moves over them, and back when the mouse moves away).  This has only happened
twice for me, once while just now while playing with the fonts and once
several weeks ago.

I'm sure these are simply artifacts of the CHEAP (and mostly broken) pc VGA
system, rather than anything that can really be fixed.

-- 
Zach Heilig (zach@blizzard.gaffaneys.com) | ALL unsolicited commercial email
/var/spool/news is 110% full,             | is unwelcome.  I avoid dealing
please delete all the spam you can.       | with companies that email ads.



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