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[Paul Whittaker <894384@xxxxxxxxxxxxxxxxxx>]

Just to confirm that there's more than one person (still) affected by
this, and to provide a second use-case example.  Apologies if this bug
report is too old to be noticed any more.  Although the issue described
below doesn't prevent me from doing anything in the long term, it is
very irritating.

I'm using 12.04 64-bit with standard Unity (not 2D), and I have autohide
set (so the launcher isn't normally visible) to maximise usable screen
space on my laptop.

Sometimes I trigger the launcher by accident when trying to interact
with GUI elements awkwardly close to the left edge of the screen.  When
this happens the launcher pops out and covers the items I'm trying to
click on, at which point I have no choice but to wait... and do
nothing... until the autohide triggers and the launcher gets out of my
way again.  A common cause of this is aiming for the "back" button in
(maximised) Firefox and overshooting, but there are other times when I
need to point to several things in succession.

Ideally I would be able to bind some key to let me "cancel" opening the
launcher, so that I could keep this at hand when I'm having to work with
such applications/websites.  The faster this binding made the launcher
disappear, the better.

Using corner activation (as suggested in post #6 above) is a poor
workaround for me.  Since side activation is the default setting and I
work with (and support users on) a number of Ubuntu installations, it is
hard for me to unlearn its use.  So, when I do use corner activation on
my own machines, I inevitably only get it right after trying (and
failing) to use side activation a couple of times, after which I
remember why it isn't working and head up to the corner.  This removes
one inconvenience and introduces another.

If there isn't much appetite for adding this feature, I'd be (perhaps
even more) happy to learn of a keyboard workaround that used existing
features instead.  I had been hopeful that double-pressing Alt-F1 -- to
enter, and then exit, keyboard navigation mode -- might quickly hide the
launcher, but it does not.

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https://bugs.launchpad.net/bugs/894384

Title:
  Impossible to force the launcher to hide

Status in Unity:
  Triaged
Status in “unity” package in Ubuntu:
  Triaged

Bug description:
  I have set launcher to never hide via CCSM. However, sometimes I would
  like it to hide. Currently, there is no way to hide it unless I change
  the preference in CCSM.

  What I would like to see would be a way to hide the launcher,
  preferably via a shortcut (unset by default). Ideally, it would be
  possible to configure unity so that the same shortcut would toggle the
  launcher.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: unity 4.24.0-0ubuntu2b1
  ProcVersionSignature: Ubuntu 3.0.0-13.22-generic 3.0.6
  Uname: Linux 3.0.0-13-generic x86_64
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,move,vpswitch,resize,imgpng,regex,wall,animation,expo,compiztoolbox,grid,winrules,place,gnomecompat,snap,workarounds,session,ezoom,staticswitcher,fade,scale,unityshell]
  Date: Thu Nov 24 14:24:29 2011
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)

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