From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Keith David Bershatsky Newsgroups: gmane.emacs.bugs Subject: bug#17684: 24.4.50; Feature Request -- Vertical Lines to the Left of and Through Characters Date: Tue, 03 Jun 2014 13:36:51 -0700 Message-ID: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 (generated by - "") Content-Type: text/plain; charset=US-ASCII X-Trace: ger.gmane.org 1401828390 12538 80.91.229.3 (3 Jun 2014 20:46:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 3 Jun 2014 20:46:30 +0000 (UTC) To: 17684@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jun 03 22:46:24 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WrvbE-0005JE-GD for geb-bug-gnu-emacs@m.gmane.org; Tue, 03 Jun 2014 22:46:24 +0200 Original-Received: from localhost ([::1]:55809 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WrvbE-00037q-1A for geb-bug-gnu-emacs@m.gmane.org; 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X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:89954 Archived-At: As a feature request, please consider adding the ability to include vertical lines to the left of and also through characters. CAVEAT: The vertical line plus the character should be equal to only (1) `point` -- like a vertical cursor bar and a character to the right. This new feature has many applications, including, but not limited to: * A thin fill column indicator line that can span the vertical length of the window / buffer. * Thin tab setting indicators in the form of vertical lines for each tab set. (This is built-in to Sublime Text.) * A visual vertical division between different parts of the same buffer. * A thin vertical line (from top to bottom of the window) that tracks the cursor position. See the following stackoverflow thread for a screenshot of how this looks, including the workaround / answer to the question: http://stackoverflow.com/questions/23744237/emacs-how-to-create-a-vertical-strike-through-effect My workaround shrinks the character to the right so that the visual sentence length is not altered. The vertical bar cursor that is built-in to Emacs can sit next to a character without shrinking said character -- so implementation of a vertical line to the left of the character would be similar to how the cursor presently works. BONUS: As a related feature request, please consider adding the ability to draw these vertical lines (from top to bottom of the window) virtually instantaneously. Creating these vertical lines in `elisp` when `visual-line-mode` is active is extremely time consuming to perform all the calculations (up to 0.25 seconds from start to finish) and needs to be done with an `idle-timer` so as not to slow down the normal movement of the cursor or typing text quickly. The calculation and placement of overlays can be sped up significantly by *not* calculating for `visual-line-mode`, but I am *very* fond of that mode. Thanks, Keith ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; In GNU Emacs 24.4.50.1 (x86_64-apple-darwin10.8.0, NS appkit-1038.36 Version 10.6.8 (Build 10K549)) of 2014-06-01 on MP.local Repository revision: 117215 lekktu@gmail.com-20140601162519-4dacx2w0ak528z2r Windowing system distributor `Apple', version 10.3.1038 Configured using: `configure --with-ns' Configured features: ACL LIBXML2 ZLIB Important settings: locale-coding-system: utf-8-unix Major mode: Fundamental Minor modes in effect: lawlist-scroll-bar-mode: t lawlist-delete-selection-mode: t lawlist-linum-mode: t lawlist-visual-line-mode: t vr-mode: t hr-mode: t flyspell-mode: t desktop-save-mode: t tabbar-mode: t font-lock-mode: t blink-cursor-mode: t transient-mark-mode: t Recent input: x h r x v r s-N r e p o r t s-z s-w k x r e p o r t - e m a b u g Recent messages: Loading mail-mime-setup...done Updating addresses...done Type C-c C-x C-z to exit MIME mode, and type C-c C-x ? to get help. Saving...done Mark set Undo... Undo! [k]ill or [s]ave draft? Loading msgdb for +/Users/HOME/.0.data/.0.emacs/.0.mail/msgdb/imap/mail.lawlist.com/lawlist/INBOX.Drafts/spool...done Making completion list... 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sendmail elmo-net elmo-cache elmo-map elmo-dop wl-news wl-address wl-thread wl-folder wl wl-e21 wl-spam wl-action wl-summary wl-refile wl-util pp elmo-flag elmo-localdir wl-message elmo-mime mmelmo-buffer mmelmo-imap mime-view mime-conf calist semi-def mmimap mime-parse mmbuffer mmgeneric elmo-multi elmo-spam elsp-header elsp-generic elmo elmo-signal wl-highlight wl-vars wl-version elmo-msgdb modb modb-generic modb-entity luna mime elmo-util emu invisible inv-23 poem poem-e20 poem-e20_3 eword-decode std11 elmo-date elmo-vars elmo-version w3m-load mime-w3m w3m browse-url doc-view jka-compr image-mode w3m-hist w3m-fb bookmark-w3m w3m-ems w3m-ccl ccl w3m-favicon w3m-image w3m-proc w3m-util smiley gnus-art mm-uu mml2015 mm-view mml-smime smime savehist lawlist-vr-hr lawlist-whitespace lawlist-github conf-mode log-edit add-log find-lisp package esh-var esh-io esh-cmd esh-opt esh-ext esh-proc esh-arg eldoc esh-groups eshell esh-module esh-mode esh-util dired-x view tramp tramp-compat tramp-loaddefs trampver server grep epa epg epg-config diff-mode autorevert filenotify log-view pcvs-util ido time-stamp vc-git vc vc-dispatcher ediff-merg ediff-wind ediff-diff ediff-mult ediff-help ediff-init ediff-util ediff rx ert ewoc debug eieio-base lawlist-calculator ps-print ps-def lpr flyspell ispell bbdb timezone find-func dired-aux lawlist-yasnippet help-mode multiple-cursors mc-separate-operations rectangular-region-mode mc-mark-more thingatpt mc-cycle-cursors mc-edit-lines multiple-cursors-core rect saveplace lawlist-tex-mode pcase compile shell pcomplete comint ansi-color ring skeleton compare-w desktop frameset lawlist-tabbar lawlist-org lawlist-calendar edmacro kmacro derived lawlist-toodledo advice url-http url-auth url-gw url url-proxy url-privacy url-expand url-methods url-history url-cookie url-domsuf url-util url-parse auth-source eieio byte-opt bytecomp byte-compile cconv eieio-core password-cache url-vars mailcap json xml noutline outline easy-mmode gnus-sum gnus-group gnus-undo gnus-start gnus-cloud nnimap nnmail mail-source tls utf7 mel path-util mime-def alist mcharset mcs-20 mcs-e20 pcustom pces pces-e20 pces-20 broken poe pym static apel-ver product netrc nnoo parse-time gnus-spec gnus-int gnus-range message cl-macs dired format-spec rfc822 mml easymenu mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045 ietf-drums mailabbrev gmm-utils mailheader gnus-win gnus gnus-ems nnheader gnus-util mail-utils mm-util help-fns mail-prsvr wid-edit cl gv cl-loaddefs cl-lib time-date tooltip electric uniquify ediff-hook vc-hooks lisp-float-type mwheel ns-win tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment lisp-mode prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core frame cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote make-network-process cocoa ns multi-tty emacs) Memory information: ((conses 16 735058 70571) (symbols 48 55594 0) (miscs 40 466 1504) (strings 32 116283 16738) (string-bytes 1 3865036) (vectors 16 42190) (vector-slots 8 741311 45040) (floats 8 1012 256) (intervals 56 691 89) (buffers 960 14)) Sincerely, Keith David Bershatsky, Esq. Law Office of Keith David Bershatsky 1725 Echo Park Avenue Los Angeles, CA 90026 Tel. / Fax.: (213) 975-9447 esq@lawlist.com