Users should be warned when switching users disables Compiz

Bug #185586 reported by Andrew Oakley
2
Affects Status Importance Assigned to Milestone
meta-gnome2 (Ubuntu)
Invalid
Undecided
Unassigned

Bug Description

Due to bug #161106 , it is not possible to have two (or more) users both logged with Compiz (advanced desktop effects). Generally the first to log in gets Compiz and subsequent users do not.

There is no warning, most users will find this counter-intuitive and confusing. Because Switch Users is most likely to be used by families sharing a computer, the users who encounter this bug will generally not be very experienced. They may report duplicate bugs or clog up support forums.

Since bug #161106 is unlikely to be resolved any time soon - certainly not in time for Hardy - then, when switching users to a new user which has Compiz, the new user should be warned along the lines of:

"Advanced Desktop Effects will be turned off for this session, because another logged-in user is already using Advanced Desktop Effects. Do you wish to continue?"

...and then a Yes/No or Okay/Cancel button (whereby Cancel or No cancels the switch users operation). This needs to happen AFTER the new user has entered their credentials (not all users may have Compiz by default, so the warning only needs to be shown for those that do), but BEFORE the desktop session is loaded.

Use case:

Andrew logs in to his deskop account which has Compiz enabled by default. He locks the screen and goes to make a cup of tea. His wife Melissa borrows his laptop and switches to her own account which also has Compiz enabled by default, leaving Andrew also logged in. Melissa is warned that Compiz will be turned off for this session because Andrew's Compiz session is already logged in. Melissa's session has no Compiz effects but she does not complain because it has already been explained to her. Next day, Andrew is logged out and Melissa logs in; Melissa gets Compiz effects as normal.

Revision history for this message
Andrew Oakley (andrew-aoakley) wrote :

Please note that I am not reporting a bug in Compiz (that's a separate issue, that's bug #161106 ).

I am reporting a bug / wish for all Switch User operations within Gnome, including but possibly not limited to:

* The Fast User Switcher applet
* The Switch Users button on the Quit... applet
* The Switch Users button on the screen lock (after screensaver resume)

...and anywhere else it is possible to switch users.

Revision history for this message
Pedro Villavicencio (pedro) wrote :

Thanks for your suggestion. The changes you are requesting require more discussion, which should be done on an appropriate mailing list or forum. http://www.ubuntu.com/community/forums/ might be a good start.

Changed in meta-gnome2:
status: New → Invalid
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