From: Andy Koppe <andy.koppe@gmail.com>
To: cygwin@cygwin.com
Subject: Re: wcwidth and terminals [Re: Mg3a - a version of Mg2a developed on Cygwin]
Date: Sat, 26 Feb 2011 09:52:00 -0000 [thread overview]
Message-ID: <AANLkTi=RBB-Lsoz7vkCeE7iF-R6zVf5rOA2Wx4O2q9x_@mail.gmail.com> (raw)
In-Reply-To: <20110225110530.GX9392@calimero.vinschen.de>
On 25 February 2011 11:05, Corinna Vinschen wrote:
> On Feb 25 09:05, Thomas Wolff wrote:
>> For cygwin, it might be useful (although not standard) for wcwidth
>> to consider whether it's running in a cygwin console or a terminal,
>> so e.g. wcwidth (0x8080) should return 2 in mintty but 1 in a cygwin
>> console.
>
> Hmm, I don't think that's the right thing to do. How's the OS version
> of wcwidht supposed to know what the wcwidth function is used for?
> After all, the application does *not* specify that it calls wcwidth
> to get the size of a character for a specifc purpose. How's the function
> to know that the character is supposed to be printed to the current tty?
> What if the application has open handles to more than one tty?
I agree. Also, I'd be surprised if character width in the console was
actually constant across different locales, fonts, and Windows
versions.
Andy
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prev parent reply other threads:[~2011-02-26 9:52 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-23 8:57 Mg3a - a version of Mg2a developed on Cygwin Bengt Larsson
2011-02-23 9:11 ` Bengt Larsson
2011-02-23 9:29 ` Corinna Vinschen
2011-02-23 9:33 ` Bengt Larsson
2011-02-23 18:25 ` Buchbinder, Barry (NIH/NIAID) [E]
2011-02-23 18:53 ` Andrew Schulman
2011-02-23 19:36 ` Bengt Larsson
2011-02-24 8:56 ` Corinna Vinschen
2011-02-24 10:56 ` Bengt Larsson
2011-02-24 11:15 ` Corinna Vinschen
2011-02-24 11:40 ` Bengt Larsson
2011-02-24 11:55 ` Corinna Vinschen
2011-02-24 12:16 ` Andy Koppe
2011-02-24 18:51 ` Bengt Larsson
2011-02-25 2:24 ` Cyrille Lefevre
2011-02-25 2:25 ` Cyrille Lefevre
2011-02-25 6:48 ` Bengt Larsson
2011-02-25 6:47 ` Bengt Larsson
2011-02-25 6:55 ` Kenneth Wolcott
2011-02-25 14:09 ` Bengt Larsson
2011-02-25 21:46 ` Bengt Larsson
2011-02-26 2:48 ` Kenneth Wolcott
2011-02-24 11:19 ` Bengt Larsson
2011-02-24 11:51 ` Corinna Vinschen
2011-02-24 14:48 ` Eric Blake
2011-02-25 8:05 ` wcwidth and terminals [Re: Mg3a - a version of Mg2a developed on Cygwin] Thomas Wolff
2011-02-25 11:06 ` Corinna Vinschen
2011-02-26 9:52 ` Andy Koppe [this message]
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