* bug#16870: 24.3; "display" text property versus ":box" face attribute
@ 2014-02-24 21:18 Ben Liblit
2014-02-27 17:44 ` Eli Zaretskii
[not found] ` <handler.16870.D16870.139352309815435.notifdone@debbugs.gnu.org>
0 siblings, 2 replies; 3+ messages in thread
From: Ben Liblit @ 2014-02-24 21:18 UTC (permalink / raw)
To: 16870
If a range of text carries the "display" text property and also has its
"face" text property set to something with the ":box" attribute, then
the right edge of the box is not actually drawn. The following elisp
code fragment demonstrates the problem:
(let ((buffer (generate-new-buffer "*bug*")))
(set-buffer buffer)
(insert "lorem ipsum dolor\n\nlorem ipsum dolor\n")
(put-text-property 7 12 'display "xxxxx")
(put-text-property 7 12 'face '(:box t))
(put-text-property 26 31 'face '(:box t))
(switch-to-buffer-other-window buffer))
Observe that on the first line, the displayed "xxxxx" replacement text
has only three box edges drawn: top, left, and bottom. The right edge
is missing. By contrast, the second line of text has no "display" text
property set and shows a proper box with all four edges.
In GNU Emacs 24.3.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.18.9)
of 2013-06-10 on mcgee.cs.wisc.edu
Windowing system distributor `Red Hat, Inc.', version 11.0.11300000
System Description: Red Hat Enterprise Linux Server release 6.5 (Santiago)
Configured using:
`configure '--prefix=/unsup/emacs-24.3/amd64_rhel6' '--without-pop'
'--without-sound' '--with-gif=no''
Important settings:
value of $LC_CTYPE: en_US.UTF-8
value of $LANG: en_US.UTF-8
value of $XMODIFIERS: @im=none
locale-coding-system: utf-8-unix
default enable-multibyte-characters: t
Major mode: Fundamental
Minor modes in effect:
tooltip-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
blink-cursor-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Recent input:
C-y C-x C-e <help-echo> M-x r e p o r t - e m <tab>
<return>
Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Mark set
#<buffer *bug*>
Load-path shadows:
None found.
Features:
(shadow sort gnus-util mail-extr emacsbug message format-spec rfc822 mml
easymenu mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr mail-utils time-date tooltip ediff-hook vc-hooks
lisp-float-type mwheel x-win x-dnd tool-bar dnd fontset image regexp-opt
fringe tabulated-list newcomment lisp-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 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 dbusbind dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs)
^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#16870: 24.3; "display" text property versus ":box" face attribute
2014-02-24 21:18 bug#16870: 24.3; "display" text property versus ":box" face attribute Ben Liblit
@ 2014-02-27 17:44 ` Eli Zaretskii
[not found] ` <handler.16870.D16870.139352309815435.notifdone@debbugs.gnu.org>
1 sibling, 0 replies; 3+ messages in thread
From: Eli Zaretskii @ 2014-02-27 17:44 UTC (permalink / raw)
To: Ben Liblit; +Cc: 16870-done
> Date: Mon, 24 Feb 2014 15:18:07 -0600
> From: Ben Liblit <liblit@acm.org>
>
> If a range of text carries the "display" text property and also has its
> "face" text property set to something with the ":box" attribute, then
> the right edge of the box is not actually drawn. The following elisp
> code fragment demonstrates the problem:
>
> (let ((buffer (generate-new-buffer "*bug*")))
> (set-buffer buffer)
> (insert "lorem ipsum dolor\n\nlorem ipsum dolor\n")
> (put-text-property 7 12 'display "xxxxx")
> (put-text-property 7 12 'face '(:box t))
> (put-text-property 26 31 'face '(:box t))
> (switch-to-buffer-other-window buffer))
>
> Observe that on the first line, the displayed "xxxxx" replacement text
> has only three box edges drawn: top, left, and bottom. The right edge
> is missing. By contrast, the second line of text has no "display" text
> property set and shows a proper box with all four edges.
Thanks, I fixed this in trunk revision 116585.
For the record: this bug was there since Emacs 21.1, when the 'box'
face was first introduced.
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2014-02-24 21:18 bug#16870: 24.3; "display" text property versus ":box" face attribute Ben Liblit
2014-02-27 17:44 ` Eli Zaretskii
[not found] ` <handler.16870.D16870.139352309815435.notifdone@debbugs.gnu.org>
2014-02-27 18:17 ` bug#16870: closed (Re: bug#16870: 24.3; "display" text property versus ":box" face attribute) Ben Liblit
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