From: Joe Corneli <jcorneli@math.utexas.edu>
Subject: Re: [ELISP] Detect focus on emacs.
Date: Tue, 03 May 2005 22:46:14 -0500 [thread overview]
Message-ID: <E1DTApy-0004BL-00@lab1.ma.utexas.edu> (raw)
In-Reply-To: <87is20zo0v.fsf@tiger.rapttech.com.au> (message from Tim X on Tue, 03 May 2005 18:56:00 +1000)
>>> I need to know if emacs has the global input focus, that's to say,
>>> if emacs' window is the selected one in the wm.
>>
>> I don't think you can do that from elisp as of Emacs-22.
>> Patches are welcome to add the functionality, of course,
>
> Ok, why not !
>
> A function like `window-focus-p', that will check with
> XGetInputFocus(3x)/GetForegroundWindow(w32) if the current window
> has the input focus ?
>
> So I'll have a try. BTW, is there guidelines for emacs patches,
> some must-know coding style or whatever like that somewhere ?
>
I think the problem you are having is because focus information is
handled at the X and window manager level - I don't think emacs knows
anything about the focus. Note that this is just a guess.
With the right window manager, it is certainly very easy to get access
to this information from within Emacs. But I'd assume that there are
also some cross-WM methods... after all, all WMs know which window has
focus. (Yes, this assumption involves a bit of a leap of faith on my
part.)
next prev parent reply other threads:[~2005-05-04 3:46 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-25 22:47 [ELISP] Detect focus on emacs Micha
2005-04-27 10:10 ` Micha
2005-04-27 12:10 ` Peter Dyballa
[not found] ` <mailman.3175.1114604433.2895.help-gnu-emacs@gnu.org>
2005-04-27 17:41 ` Mathias Dahl
2005-04-27 19:08 ` Micha
2005-05-02 13:50 ` rgb
2005-05-03 13:15 ` Mathias Dahl
2005-05-03 16:57 ` rgb
2005-05-02 0:38 ` [ELISP] " Stefan Monnier
2005-05-02 21:21 ` Michael Cadilhac
2005-05-03 3:09 ` Joe Corneli
2005-05-03 19:33 ` Peter Dyballa
2005-05-04 20:29 ` Drew Adams
2005-05-04 21:15 ` Peter Dyballa
2005-05-04 21:31 ` Drew Adams
2005-05-04 22:28 ` Peter Dyballa
[not found] ` <mailman.3325.1115241750.2819.help-gnu-emacs@gnu.org>
2005-05-04 21:44 ` Michael Cadilhac
[not found] ` <mailman.3162.1115148898.2819.help-gnu-emacs@gnu.org>
2005-05-04 19:57 ` Michael Cadilhac
2005-05-04 20:03 ` Michael Cadilhac
2005-05-05 2:53 ` Joe Corneli
[not found] ` <mailman.3390.1115261851.2819.help-gnu-emacs@gnu.org>
2005-05-05 5:30 ` David Kastrup
[not found] ` <mailman.1224.1115069322.2819.help-gnu-emacs@gnu.org>
2005-05-03 8:56 ` Tim X
2005-05-04 3:46 ` Joe Corneli [this message]
2005-05-04 15:56 ` Kevin Rodgers
2005-05-04 20:13 ` Michael Cadilhac
2005-05-03 23:24 ` Stefan Monnier
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