Mailinglist Archive: opensuse-features (10 mails)

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[openFATE 324570] make GDM background image configurable
Feature changed by: QK ZHU (qkzhu)
Feature #324570, revision 7
Title: make GDM background image configurable

Requested by: Ludwig Nussel (lnussel)
Partner organization: openSUSE.org

Description:
GDM only has very limited theming posibilites. To change the actual
wallpaper one has to modify a binary file a rather nasty and not
upgradable way:
https://wiki.archlinux.org/index.php/GDM#Log-in_screen_background_image
Please implement some more convenient way to allow custom deployments
to override the wallpaper in GDM.

Use Case:
Customers and partners might want to customize SLES, SLED, and SLE
POS.

+ Discussion:
+ #1: QK ZHU (qkzhu) (2018-09-10 03:28:09)
+ Upstream status: - This feature was rejected by upstream
+ https://bugzilla.gnome.org/show_bug.cgi?id=787454 - A new design for
+ login & lock screen has been proposed during 2017 GNOME Shell UX Design
+ Hackfest, it seems a blurred background is in their paln but I am not
+ sure when this will be implemented:
+ https://wiki.gnome.org/Design/OS/LockUnlockLogin#Tentative_Design My
+ questions: There are two aspects for GDM background, login screen and
+ lock screen - Should both of them be configurable? Login screen
+ background is a system-wide behavior while lock screen background is a
+ user-wide behavior, should lock screen align with login screen?
+ Tentative solutions: 1. Let GDM uses a custom CSS file and use update-
+ alternatives to switch between different themes. Ubuntu uses this way
+ to redefine their login theme:
+ https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1715722 But
+ their patch doesn't change the lock screen background:
+ https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1732450 2.
+ According to GResource doc: 'it is possible to use the
+ G_RESOURCE_OVERLAYS environment variable to selectively overlay
+ resources with replacements from the filesystem.' but is's only for
+ debugging or quick hacking and testing purposes. I will make some
+ investigation to check if it's a practical solution
+ Potential regressions: - multi-monitor behaviors - SUSE logo on the
+ lock screen was added as a background, it may be affected by this
+ feature




--
openSUSE Feature:
https://features.opensuse.org/324570

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