Re: What is Mac's "custom" for an agent to display its GUI?
Re: What is Mac's "custom" for an agent to display its GUI?
- Subject: Re: What is Mac's "custom" for an agent to display its GUI?
- From: Jean-Daniel Dupas <email@hidden>
- Date: Wed, 17 Nov 2010 08:35:08 +0100
Le 17 nov. 2010 à 05:21, John Joyce a écrit :
>
> On Nov 17, 2010, at 12:40 PM, Kyle Sluder wrote:
>
>> On Tue, Nov 16, 2010 at 5:27 PM, eveningnick eveningnick <
>> email@hidden> wrote:
>>> Hello!
>>> I have to write an application, that should run on the background.
>>> When the user needs, it should display some control panel. On Windows
>>> system i would have used System tray, and an icon there - when the
>>> user clicks on that icon, it displays some GUI. but what is the Mac's
>>> usual practice? I am thinking that the analog to that tray application
>>> is an agent, launched by launchd. On what event it is considered to be
>>> good to trigger that "control panel"?
>>
>> It depends on what you're writing.
>>
>> Don't use the status area (near the clock) just to provide access to your
>> app. If you're writing a VPN client or something else whose status needs to
>> be monitored continuously, the status area is a good place to put your UI: a
>> status item with a menu that afford access to the app's
>> configuration/preferences dialog.
>>
>> But don't use the status area for transient things. If you're writing a
>> backup app, for example, and don't feel like burdening your users' status
>> area with mundane "backups are happening" information, don't all of a sudden
>> put UI to alert the user that something's gone wrong. But then how do you
>> alert the user or let them configure things?
>>
>> If you have no configuration options (the only interaction you need in your
>> background app is to alert the user) you can use the CFNotification API. If
>> you *do* have configuration, then create an app that only configures things,
>> and embed your background app as a helper tool inside this app wrapper. When
>> you need to show UI, have your background app launch the main app that it's
>> a part of.
>>
>> Alternatively, your main "app" could be a system preferences pane rather
>> than a full-blown app.
>>
>> --Kyle Sluder
You can also consider the option Apple chosen with Spaces, Dashboard, and Expose. Deploy a real application bundle that launch this panel when double clic it.
-- Jean-Daniel
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