Public bug reported:
gnome-terminal understands the control codes (CSI ] 4 ; … ST) for
changing the color palette available to console applications. However,
when the current tab loses focus (either because the gnome-terminal
window loses focus, or because I switch to a different tab), any custom
color palette installed by the console application I'm using are lost,
and it resets to the palette set in the profile.
Steps to reproduce:
Profile settings: "Use colors from system theme" off, "Built-in schemes":
custom, any custom text and background color, any built-in color scheme. (I've
tested multiple settings for the actual colors; none have an effect on the bug
reproducibility. I haven't tested using colors from the system theme, or a
built-in scheme, but I suspect they also don't influence whether they bug can
be reproduced".
Load up bash inside the terminal, using a prompt that does not set
colors, and run the following command:
printf '\x1b[91m'
This sets the foreground color to 9 (light red); the subsequent text in
the terminal turns light red (this is both observed and expected
behaviour).
Then run the following command:
printf '\x1b]4;9;rgb:00/00/ff\x1b\\'
This redefines color 9 to be bright blue. The subsequent text in the
terminal turns bright blue (again, this is both observed and expected
behaviour).
Now, switch to a different tab, or a different application, then back to
gnome-terminal. (If you switch to a different application that does not
overlap gnome-terminal, you can see the color change happen onscreen.)
I'm on a system (Unity) where keyboard focus always follows window
focus, so I'm not sure if the trigger is losing keyboard focus or window
focus; if you have a different window manager, you might want to test
both separately.
Expected behaviour: the bright blue text remains bright blue upon
switching away from the window, and continues to remain bright blue when
returning to the window. Text continues to be bright blue unless the
foreground color or palette are changed again.
Observed behaviour: the bright blue text becomes light red upon
switching away from the window, and continues to remain light red upon
returning to the window. Text continues to be light red unless the
foreground color or palette are changed again. Changing palette entries
other than 9 does not cause the text to become blue again; nor does
changing the foreground color away from 9 and then back to 9.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: gnome-terminal 3.6.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-34.55-generic 3.5.7.13
Uname: Linux 3.5.0-34-generic i686
ApportVersion: 2.6.1-0ubuntu11
Architecture: i386
Date: Sat Jun 15 09:25:32 2013
ExecutablePath: /usr/bin/gnome-terminal
InstallationDate: Installed on 2009-12-14 (1278 days ago)
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MarkForUpload: True
ProcEnviron:
PATH=(custom, user)
XDG_RUNTIME_DIR=<set>
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-terminal
UpgradeStatus: Upgraded to quantal on 2012-10-18 (239 days ago)
** Affects: gnome-terminal (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 quantal running-unity
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https://bugs.launchpad.net/bugs/1191238
Title:
Color palette resets to default upon losing focus
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