Clients reading their surface position on screen

[Christopher James Halse Rogers]

On Fri, Aug 15, 2014 at 5:21 PM, Gerry Boland 
<gerry.boland at canonical.com> wrote:
> On 15/08/14 08:17, Christopher James Halse Rogers wrote:
>>  On Fri, Aug 15, 2014 at 5:14 PM, Gerry Boland
>>  <gerry.boland at canonical.com> wrote:
>>  > On 15/08/14 00:56, Christopher James Halse Rogers wrote:
>>  >>  On Fri, Aug 15, 2014 at 9:32 AM, Gerry Boland
>>  >>  <gerry.boland at canonical.com> wrote:
>>  >>  > On 14/08/14 00:31, Christopher James Halse Rogers wrote:
>>  >>  >>  Ok. I think we've explored all the relevant options
>>  >>  >>
>>  >>  >>  If I implemented
>>  >>  >>
>>  >>  >>  mir_debug_surface_coord_to_screen(MirSurface, int x, int y, 
>> int*
>>  >> outx,
>>  >>  >>  int* outy)
>>  >>  >>
>>  >>  >>  in libmirclient-debug and hooked it up to a --debug flag, 
>> who would
>>  >>  >>  object, and what would those objections be?
>>  >>  >>
>>  >>  >>
>>  >>  >
>>  >>  > And libmirclient-debug is shipped in a separate package which 
>> isn't
>>  >>  > installed on the device by default? Just thinking how this 
>> feature
>>  >> will
>>  >>  > not be accessible to all apps.
>>  >>
>>  >>  Correct. Also, Unity8 won't respond to these requests unless 
>> started
>>  >>  with --debug. Which we obviously won't do by default.
>>  >>
>>  >>  So, it's available to all apps when debugging is enabled, or no 
>> apps
>>  >>  when debugging is not enabled.
>>  >>
>>  >
>>  > Thomi, what do you think? Unity8 will need to be restarted with a 
>> flag
>>  > in order to enable this for AP. That ok?
>>  > -G
>> 
>>  I had a talk with Thomi on IRC this morning; rather than restart 
>> Unity8
>>  with this flag we can just have Unity8 started with this flag on 
>> the CI
>>  devices (and then modify the tests that restart Unity8).
>> 
>>  And by “we” I mean “I” ☺.
>> 
> Perhaps AP could tell unity8 - go into debug mode - via dbus (hole 
> poked in AppArmor required though)? Saves a restart of the process.

Possibly? I'm aiming for minimum possible work that cleanly supports 
what people want to do without making API promises we don't want to 
keep.

Is restarting Unity8 a big deal? It doesn't seem so to me; perhaps 
there's some background I'm missing?