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Mon, 13 May 2024 17:04:13 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Advait Maybhate Date: Mon, 13 May 2024 20:04:02 -0400 Message-ID: Subject: Re: [BUG] ZLE character width with emoji presentation variation selectors in Unicode To: Bart Schaefer Cc: zsh-workers@zsh.org, Aloke Desai , Zach Bai Content-Type: multipart/alternative; boundary="000000000000f23ed606185ebd02" X-Seq: 52933 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: --000000000000f23ed606185ebd02 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Ah cool - didn't know about the glitch prompt. Thanks for the info! Hmm, though yep, I was observing that the width reservation seems to be working correctly in the prompt itself but seems to fail for the bracketed paste case (when testing in Kitty for correctness), thus the glitch prompt doesn't entirely help here unfortunately. On Fri, May 10, 2024 at 4:40=E2=80=AFPM Bart Schaefer wrote: > On Fri, May 10, 2024 at 10:12=E2=80=AFAM Advait Maybhate wrote: > > > > In fish's case, I believe they use ridiculousfish/widecharwidth which > does seem to handle emoji presentation selectors. unicode-width, part of > the Rust stdlib, recently added support for correctly reporting the width > of these sequences as well: unicode-width/pull/41. > > Note that if your primary concern is emojis in prompts (rather than in > text typed as command input), zsh has the %G (for "glitch") prompt > sequence. So if you write e.g. > > PS1=3D"Cloudy %{=E2=98=81=EF=B8=8F%2G%}% " > > then zsh will correctly reserve 2 positions for the glyph when > calculating the prompt. (Note gmail may have messed up the copy-paste > of the emoji; do it right and it works). > --000000000000f23ed606185ebd02 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Ah cool - didn't know about the glitch prompt. Thanks = for the info!

Hmm, though yep, I was observing that the = width reservation seems to be working=C2=A0correctly in the prompt itself b= ut seems to fail for the bracketed paste case (when testing in Kitty for co= rrectness), thus the glitch prompt doesn't entirely help here unfortuna= tely.



On Fri, May 10, 2024 at 4:40=E2=80= =AFPM Bart Schaefer <schaef= er@brasslantern.com> wrote:
On Fri, May 10, 2024 at 10:12=E2=80=AFAM Advait Maybhate= <advait@warp.dev> wrote:
>
> In fish's case, I believe they use ridiculousfish/widecharwidth wh= ich does seem to handle emoji presentation selectors. unicode-width, part o= f the Rust stdlib, recently added support for correctly reporting the width= of these sequences as well: unicode-width/pull/41.

Note that if your primary concern is emojis in prompts (rather than in
text typed as command input), zsh has the %G (for "glitch") promp= t
sequence.=C2=A0 So if you write e.g.

PS1=3D"Cloudy %{=E2=98=81=EF=B8=8F%2G%}% "

then zsh will correctly reserve 2 positions for the glyph when
calculating the prompt. (Note gmail may have messed up the copy-paste
of the emoji; do it right and it works).
--000000000000f23ed606185ebd02--