I'm able to reproduce this bug (with all i386 daily-lives after
20110618, up to the most recent I have tried: 20110623, with unity-2d
/unity-2d-launcher 3.8.8-0ubuntu1 and metacity 1:2.34.0-0ubuntu1), but
only on live CD systems, and only in unity-2d sessions that I did not
manually log in to. That is, the first session on live CD after
selecting Try Ubuntu has this bug, but when I log out and back in, the
launcher auto-hides (and auto-unhides) without problems. I have not been
able to reproduce this bug on any installed system.
For me, this bug is always accompanied by the initial absence of any
application icons in the launcher--at the start of the session, only the
Workspaces, Applications, and Files & Folders icons (and the Trash icon
at the bottom) are present in the launcher. If no icons are pinned to
(bookmarked in) the launcher during the first unity-2d session on the
live CD, then all the expected application icons (e.g., Install Ubuntu,
Firefox, Software Center, and LibreOffice applications) show up on the
second (manually logged in unity-2d session).
It is also accompanied by two more (seemingly interrelated) problems:
(1) Moving the mouse pointer to the upper half of the topmost
application icon causes the launcher's contents to scroll, so that the
icon disappears off the top of the launcher; and (2) when a running
application is pinned to the launcher ("Keep In Launcher") and then
exited, its icon remains in the launcher but is not always displayed. In
both (1) and (2), moving the mouse pointer out of the launcher toggles
whether or not the affected icons are displayed (moving it into the
launcher has no special result, except to make it possible for it to be
moved out of the launcher). In (1) but not (2), clicking in the
unoccupied space in the launcher (above Trash and below all other icons)
fixes the problem (until next time it is triggered). Like the launcher's
failure to hide, all these problems occur only on the live CD, and only
in the first unity-2d session after booting.
I booted the same live CD on another exactly identical system (these are
VMware Workstation 7.1.4 build-385536 virtual machines on a Natty amd64
host, and they are running the same live CD image). That system also
lacks initial application icons. But on the duplicate virtual machine,
problem (1) occurs but not problem (2), and moving the mouse pointer out
of the launcher produces no change.
On the first of the two virtual machines, bug 801161 occurred. On the
second, it did not. Perhaps that (or the resulting restarting of unity-
2d) is what made the difference.
On both virtual machines, before pinning any applications to the
launcher, gconftool-2 -R /desktop/unity-2d/launcher" produces no output,
and after pinning an application to the launcher (in this case, gnome-
terminal), it's output is
favorites = [gnome-terminal.desktop]
with the hide_mode and use_strut keys conspicuously missing. If no icons
are pinned to the launcher in the first unity-2d session, then as
described above, the second session has all the usual icons; in that
case, the second session's gconf2 keys in /desktop/unity-2d/launcher
are:
hide_mode = 2
favorites =
[ubiquity-gtkui.desktop,nautilus-home.desktop,firefox.desktop,libreoffice-writer.desktop,libreoffice-calc.desktop,libreoffice-impress.desktop,ubuntu-software-center.desktop,ubuntuone-control-panel-gtk.desktop]
super_key_enable = true
use_strut = false
Whereas, if an icon (in this case, the Terminal) is pinned to the
launcher in the first unity-2d session, then in the second session:
hide_mode = 2
favorites = [gnome-terminal.desktop]
super_key_enable = true
use_strut = false
Do these things happen to (any of) you as well? Is this sufficiently
different that I should report a new bug? Should this be considered all
one bug, or separate bugs?
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https://bugs.launchpad.net/bugs/797676
Title:
Launcher doesn't autohide
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