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Re: dialog-1.3-20180621 displays ugly black bars on FreeBSD


From: Alan Somers
Subject: Re: dialog-1.3-20180621 displays ugly black bars on FreeBSD
Date: Sun, 10 Feb 2019 18:18:43 -0700

On Sun, Feb 10, 2019 at 6:05 PM Thomas Dickey <address@hidden> wrote:
>
> On Sun, Feb 10, 2019 at 03:39:11PM -0700, Alan Somers wrote:
> > Prior to 1.3-20180621 dialog would fill unused space at the end of the
> > line with the background color.  However, starting with 1.3-20180621
> > it doesn't.  Instead, it seems to fill with whatever the terminal's
> > background color was prior to starting dialog.
> >
> > Steps to reproduce on FreeBSD current:
> > cat /etc/rc.conf | dialog --programbox 23 76
> >
> > With older versions of dialog the box's background is a consistent
> > color.  With 1.3-20180621 and newer, the trailing unused part of each
> > line is filled with (on my terminal at least) black.
>
> hmm - in a quick check here with dialog 1.3-20181107 running in screen
> or xterm, both white-background, I'm not seeing that problem - it fills
> with color.  (The changes in dialog since 20180621 were just portability
> fixes in the configure script).
>
> What was the previous good version of dialog?
> I'd assume that was 1.3-20171209

Yes.  I've tried that one and several earlier ones too, and they're all fine.

>
> Also, what terminal (and $TERM value)?

Both the console (TERM=xterm) and xfce4-terminal (TERM=xterm-256color)
show the problem.  However, alacritty (TERM=xterm-256color) works
fine.

>
> (I don't have a FreeBSD current, but do have 11 and 12 release,
> to investigate).

I see the problem on 12.0-RELEASE as well.

>
> > The problem is evident in FreeBSD's bundled version of dialog, in the
> > ports tree's version, and in the upstream sources.
> >
> > -Alan



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