[tor-bugs] #18499 [Nyx]: Improved event selection dialog

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#18499: Improved event selection dialog
-----------------------------+--------------------
     Reporter:  atagar       |      Owner:  atagar
         Type:  enhancement  |     Status:  new
     Priority:  Medium       |  Milestone:
    Component:  Nyx          |    Version:
     Severity:  Normal       |   Keywords:
Actual Points:               |  Parent ID:
       Points:               |    Sponsor:
-----------------------------+--------------------
 To select events to log Nyx uses a weird dialog, requiring users to pick
 letters corresponding with the events they want. To see it press 'e' on
 the first page...

 [[Image(https://www.atagar.com/transfer/tmp/event_selection.png)]]

 This was ok years ago when tor had few events, but as you can see this now
 requires the user to type really arcane strings ('CaruF'?). We should
 change this to be similar to our
 [https://www.atagar.com/arm/images/screenshot_configPanel_full.png config
 editor], showing a dialog like...

 {{{
 +------------------------------------------------------+
 | BW event                                             |
 | Bandwidth used by tor. This shows both the number of |
 | bytes sent and received.                             |
 +------------------------------------------------------+
 | [ ] DEBUG                                            |
 | [ ] INFO                                             |
 | [X] NOTICE                                           |
 | [X] WARN                                             |
 | [X] ERR                                              |
 +------------------------------------------------------+
 | [ ] BW                                               |
 | [ ] CIRC                                             |
 | ... etc...                                           |
 +------------------------------------------------------+
 }}}

 Note we'll be dropping the '--log' argument as part of this. A big part of
 the reason for this arcane alphabet soup was to allow users to specify
 events with that argument but this clunkiness is hardly worth it. Users
 can configure initial events in their nyxrc instead.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18499>
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