From: sand@blarg.net
To: 9654@debbugs.gnu.org
Subject: bug#9654: 24.0.90; X11 frame leaves garbage when changing background color
Date: Sat, 01 Oct 2011 20:01:36 -0700 [thread overview]
Message-ID: <877h4oqepb.fsf@blarg.net> (raw)
[-- Attachment #1: Type: text/plain, Size: 2165 bytes --]
Configure Emacs 24.0.90 with the options shown below. Put the following
in your .emacs file:
------------------------------ cut here ------------------------------
(defconst +dark-frame-colors+
'((background-mode . dark)
(background-color . "black")
(foreground-color . "grey80")
(cursor-color . "gainsboro"))
"Dark color scheme.")
(defconst +light-frame-colors+
'((background-mode . light)
(background-color . "#fffffe") ;; standard is "#e2e2de"
(foreground-color . "#000001")
(cursor-color . "black"))
"Light color scheme, for use with HTMLize.")
(setq default-frame-alist
`((cursor-type . bar)
(height . 25)
(width . 80)
(vertical-scroll-bars . nil)
(tool-bar-lines . nil)
,@+dark-frame-colors+))
(setq initial-frame-alist default-frame-alist)
(defun toggle-frames-color-scheme ()
"Flip the dark/light scheme for all frames.
Use the constants `+light-frame-colors+' and `+dark-frame-colors+'
to define the schemes."
(interactive)
(if (eq frame-background-mode 'dark)
(set-frame-color-scheme-light)
(set-frame-color-scheme-dark)))
(defun set-frame-color-scheme-light ()
(interactive)
(setq-default frame-background-mode 'light)
(dolist (f (frames-on-display-list))
(frame-set-background-mode f)
(modify-frame-parameters f +light-frame-colors+))
(message "Using \"light\" color scheme"))
(defun set-frame-color-scheme-dark ()
(interactive)
(setq-default frame-background-mode 'dark)
(dolist (f (frames-on-display-list))
(frame-set-background-mode f)
(modify-frame-parameters f +dark-frame-colors+))
(message "Using \"dark\" color scheme"))
------------------------------ cut here ------------------------------
Start Emacs under X11. The initial frame will begin with a white
background. The the initial-frame-alist will cause Emacs to switch it
to a black background. However, the switch is not complete. On two
different systems (Debian unstable, RHEL 5.1) the frame is left with the
original white background in a one-pixel strip around the edges of the
frame (two pixels on the bottom). I have attached a screenshot.
[-- Attachment #2: Emacs window damage --]
[-- Type: image/png, Size: 18690 bytes --]
[-- Attachment #3: Type: text/plain, Size: 14155 bytes --]
You will notice that the white edging is ends near the top-left of
the frame. When Emacs redraws the frame due to X11 expose events, it
paints the correct pixels.
The .emacs file above inclues a "toggle-frames-color-scheme" function
that flips between light and dark backgrounds. This makes it easy to
reproduce the display problem, and it shows that the damage is
independent of the particular background color.
In GNU Emacs 24.0.90.1 (i686-pc-linux-gnu, X toolkit)
of 2011-10-01 on priss
Windowing system distributor `The X.Org Foundation', version 11.0.11101000
configured using `configure '--with-x-toolkit=lucid' '--with-gif=no' '--with-rsvg=no' '--enable-font-backend' '--without-gconf' '--without-dbus' '--prefix=/home/sand/emacs24''
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: nil
value of $LC_CTYPE: nil
value of $LC_MESSAGES: nil
value of $LC_MONETARY: nil
value of $LC_NUMERIC: nil
value of $LC_TIME: nil
value of $LANG: en_US.utf8
value of $XMODIFIERS: nil
locale-coding-system: utf-8-unix
default enable-multibyte-characters: t
Major mode: Fundamental
Minor modes in effect:
auto-image-file-mode: t
show-paren-mode: t
icomplete-mode: t
mouse-wheel-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
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:
<help-echo> M-x r e p o r t SPC <return>
Recent messages:
Loading emacs-display-tty...done
Loaded emacs-display-tty in (0 0 4000)
Loading emacs-display-unix...done
Loaded emacs-display-unix in (0 0 8001)
Loading emacs-env-home...done
Loaded emacs-env-home in (0 0 8000)
Loading /home/sand/.elisp-local/emacs-local.el (source)...done
Loaded emacs-local in (0 0 0)
Loading .emacs...done
For information about GNU Emacs and the GNU system, type C-h C-a.
Load-path shadows:
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Features:
(shadow sort rfc1345 quail help-mode view gnus-util mail-extr message
format-spec rfc822 mml easymenu mml-sec mm-decode mm-bodies mm-encode
mail-parse rfc2231 rfc2047 rfc2045 ietf-drums mm-util mail-prsvr
mailabbrev mail-utils gmm-utils mailheader emacsbug ansi-color
org-install slime-autoloads regexp-opt image-file paren uniquify advice
help-fns advice-preload ido icomplete cl time-date tooltip ediff-hook
vc-hooks lisp-float-type mwheel x-win x-dnd tool-bar dnd fontset image
fringe 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 files text-properties
overlay sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote make-network-process dynamic-setting
x-toolkit x multi-tty emacs)
--
Derek Upham
sand@blarg.net
next reply other threads:[~2011-10-02 3:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-02 3:01 sand [this message]
2011-10-02 18:13 ` bug#9654: 24.0.90; X11 frame leaves garbage when changing background color Jan Djärv
2011-10-02 22:43 ` sand
2021-07-17 14:34 ` Lars Ingebrigtsen
2021-07-18 3:54 ` Derek Upham
2021-07-18 12:04 ` Lars Ingebrigtsen
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