[ nedit-Bugs-1458006 ] strange scrolling bug?

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Bugs item #1458006, was opened at 2006-03-24 12:59
Message generated for change (Comment added) made by nobody
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Category: Program
Group: release
Status: Closed
Resolution: None
Priority: 5
Private: No
Submitted By: schloob (schloob)
Assigned to: Nobody/Anonymous (nobody)
Summary: strange scrolling bug?

Initial Comment:
here's my version information:
     Built on: Linux, Athlon, GNU C
     Built at: Mar 23 2006, 18:33:02
   With Motif: 2.2.3 [@(#)Motif Version 2.2.3]
Running Motif: 2.2 [unknown]
       Server: Gentoo (The X.Org Foundation 6.8.2,
revision r6-0.1.13) 60802000
       Visual: 32-bit TrueColor (ID 0x130)
       Locale: C

so here's what happens: whenever i scroll up using the
mouse wheel or scrollbar (the page-up key works fine
usually), the screen bugs out and all i see is like 4
lines of text repeated over and over. if i use the
scrollbar, it's usually only one line of text repeated
on the screen. scrolling down works fine!

i've included four screenshots of what i mean.
normal.png : before i've scrolled
after_scrollup.png : after scrolling up with the mouse
wheel once
after_selectall.png : after i hit ctrl-a to select all
the text, seems to fix the problem - probably because
it forces a complete screen redraw?
uparrow.png : this was after i press the up arrow when
the cursor is at the top of the screen (therefore
making it scroll up). ctrl-a fixes this too.

this could possibly be a motif bug, because the same
thing happens in the help window that shows version
information. i haven't seen this behavior in any other
motif applications though, i'm trying a few out but i'm
not seeing anything. it might be the text widget that
nedit uses. i've tried both the statically linked
pre-compiled binaries and fresh compiled ones.

thanks

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Comment By: Nobody/Anonymous (nobody)
Date: 2007-03-12 11:50

Message:
Logged In: NO 

XLIB_SKIP_ARGB_VISUALS=1 has no effect on this issue (it does fix the
crash at startup, though).  I tried 5.4 and 5.5 on the remote Sun boxen,
just for the heck of it, but they behave the same.  I have no problems when
I use Dapper Drake, locally.  One thing to add is that I am also using the
AMD64 port of Edgy.

It's REALLY annoying and I am starting to look for alternative editors.

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Comment By: Nick Sutterer (fraq)
Date: 2007-01-18 06:39

Message:
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i also encountered this bug on edgy (amd64), but after compiling from
current cvs sources the bug seems to be gone. :-)

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Comment By: SourceForge Robot (sf-robot)
Date: 2006-12-13 19:20

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This Tracker item was closed automatically by the system. It was
previously set to a Pending status, and the original submitter
did not respond within 14 days (the time period specified by
the administrator of this Tracker).

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Comment By: Eddy De Greef (edg)
Date: 2006-11-29 10:01

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This is probably caused by the ARGB visuals in the newer X.Org versions
(which Motif cannot handle).

Please try the following:

  XLIB_SKIP_ARGB_VISUALS=1 nedit

and tell us whether the problem persists.

The next version of NEdit will set this variable automatically, BTW.

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Comment By: Russ W. Knize (rknize)
Date: 2006-11-29 09:53

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Originator: NO

I am also seeing this exact issue now that I have upgraded my local
machine to Ubuntu Edgy Eft.  I used NEdit remotely on various SunOS and
Linux servers.  They are all using NEdit 5.5.  I use a variety of old and
new tools this way, but only NEdit has this problem.

Since the issue started after upgrading my local machine, it seems to be
some kind of X-related problem, possibly between Motif and X.

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