From: Ray Andrews <rayandrews@eastlink.ca>
To: zsh-users@zsh.org
Subject: Re: ANSI bg colour outside of prompt area
Date: Mon, 23 Feb 2015 20:25:05 -0800 [thread overview]
Message-ID: <54EBFD21.9070706@eastlink.ca> (raw)
In-Reply-To: <150223185315.ZM21001@torch.brasslantern.com>
On 02/23/2015 06:53 PM, Bart Schaefer wrote:
> On Feb 23, 8:51am, Ray Andrews wrote:
> }
> } BTW, there seems to be a bit of fuzz in the term 'background' color.
> } Sometimes it seems to mean just the color behind any typed text, other
> } times it refers to the background of the whole screen. Are there more
> } unambiguous terms?
>
> As far as I know it always refes to the background of some text, but text
> includes "invisible" things like tabs and spaces, and clearing the screen
> writes spaces to every possible character location.
That would be the answer right there.
>
> Put another way, I expect that most terminal emulators treat the whole
> screen as a grid of character positions and color it by assigning to the
> background of every cell. There is no other background.
Thanks, it's sorta obvious now that I see it--clearing the screen
doesn't create 'nothing' it creates a screen of spaces.
next prev parent reply other threads:[~2015-02-24 4:25 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-22 13:23 junkcommander0
2015-02-22 16:52 ` Ray Andrews
2015-02-22 19:10 ` Bart Schaefer
2015-02-22 20:07 ` junkcommander0
2015-02-22 21:55 ` ZyX
2015-02-23 1:22 ` Bart Schaefer
2015-02-23 1:55 ` Vincent Lefevre
2015-02-23 12:34 ` ZyX
2015-02-22 23:10 ` Ray Andrews
2015-02-23 0:10 ` ZyX
2015-02-23 0:28 ` Kurtis Rader
2015-02-23 1:14 ` Bart Schaefer
2015-02-23 1:44 ` Kurtis Rader
2015-02-23 2:04 ` Vincent Lefevre
2015-02-23 2:18 ` Kurtis Rader
2015-02-23 3:41 ` Ray Andrews
2015-02-23 4:03 ` Kurtis Rader
2015-02-23 5:34 ` Ray Andrews
2015-02-23 4:14 ` Kurtis Rader
2015-02-23 5:49 ` Bart Schaefer
2015-02-23 9:46 ` Vincent Lefevre
2015-02-23 16:36 ` Bart Schaefer
2015-02-23 16:51 ` Ray Andrews
2015-02-24 2:53 ` Bart Schaefer
2015-02-24 3:49 ` junkcommander0
2015-02-24 4:33 ` Ray Andrews
2015-02-24 4:25 ` Ray Andrews [this message]
2015-02-24 8:36 ` Vincent Lefevre
2015-02-23 5:27 ` Bart Schaefer
2015-02-23 1:51 ` Vincent Lefevre
2015-02-23 0:55 ` Ray Andrews
2015-02-23 1:36 ` Vincent Lefevre
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