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Re: Unity app indicators and convergence


Hi Peter,

in the context of convergence, the Unity8 desktop environment will be
powered by Mir. With that, the approach presented in
[1] is not going to work as

  (a.) X is not going to be around as the primary display server anymore.
  (b.) Mir does not expose information about the global coordinate
system (required to get window placement right).

However, as the consistent placement of windows (in multi-monitor
scenarios) has been requested numerous times
for the current version of Unity, we decided that Mir should offer
support for it out of the box. IIRC, the implementation is
and we are certainly happy for all sorts of contributions (testing,
code, ideas and reviews). The Mir team can be reached via
their mailing list (see [3]) or in #ubuntu-mir@freenode.

If you still would like to contribute to the current version of Unity,
the best place to ask your indicator-specific questions is on
the ubuntu-desktop mailing list (see [4]) or in #ubuntu-desktop@freenode.

Have a great day,


[3] https://lists.ubuntu.com/mailman/listinfo/Mir-devel
[4] https://lists.ubuntu.com/mailman/listinfo/ubuntu-desktop

On Thu, Nov 26, 2015 at 8:54 PM, Peter Bittner <peter.bittner@xxxxxxx> wrote:
> Hi all,
> I have the need for a utility that saves the state of all open windows
> on the desktop, so that when I attach or detach one or more external
> monitors all application windows are restored in size and position the
> way they were last time that specific monitor setting was active.
> There is a solution for this problem [1], but in order to make this
> application accessible to mainstream I would like to write an
> application with an app indicator that gives easy control.
> Is there something special to think about and to take into
> consideration with regards to convergence when implementing this?
> Where do I find the up-to-date documentation (is it [2], or is that
> source out-of-date?), sample implementations, how-to's, etc.?
> Thanks in advance for any hints,
> Peter
> [1] http://askubuntu.com/questions/561197/is-there-a-way-to-prevent-your-windows-from-moving-when-an-external-monitor-is-c/561824?noredirect=1#comment1022616_561824
> [2] https://unity.ubuntu.com/projects/appindicators/
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