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From: Ted Zlatanov <tzz@lifelogs.com>
Subject: Emacs X/GTK code trouble with Maemo (was: porting and packaging Emacs to a new platform: Maemo)
Date: Mon, 22 Jan 2007 16:43:37 -0500	[thread overview]
Message-ID: <g69ac0a3fg6.fsf@dhcp-65-162.kendall.corp.akamai.com> (raw)
In-Reply-To: g69tzysoy0w.fsf@dhcp-65-162.kendall.corp.akamai.com

I'm having a problem with the Emacs X code.  Specifically, on the
Maemo platform, standard GTK widgets that accept text entry will get a
pop-up keyboard.  With Emacs, however, I am not able to get that
keyboard with Emacs buffer windows.  I was pointed to some
documentation, which suggests that either I need to use standard GTK
widgets or manually call the functions Window::AcquireKeyboardInput()
and Window::ReleaseKeyboardInput(), plus handle some X events.

I'm using this post as reference:
http://www.gossamer-threads.com/lists/maemo/developers/13600?search_string=input;#13600

Plus these snippets:
https://garage.maemo.org/snippet/browse.php?by=lang&lang=2

You can get more information about input methods for Maemo here:
http://maemo.org/platform/docs/tutorials/Maemo_tutorial.html#input

You can install the Maemo SDK easily on a Debian system:
http://maemo.org/platform/docs/howtos/Maemo_tutorial_bora.html

My questions:

1) are buffer windows text-input-capable GTK widgets when --with-gtk
is used?  If yes, something is going wrong in the setup phase, and
they don't accept keyboard input when they should.

2) Assuming "no" to (1), if I have to use the manual acquire/release
keyboard functions, where would I make that change?  I couldn't find a
gain/lose focus event in the C code.  Also, where would I handle the X
events?  I need to handle them to tell Maemo that the keyboard is safe
to bring up.

I think I can use src/window.c:select-window() to acquire the
keyboard.  X Events seem to be processed in
src/xterm.c:XTread_socket().  My inexperience with GTK and X, however,
is making it hard for me to understand what's going on, and I would
like some help from people that understand the Emacs X internals better.

Thanks!
Ted

  reply	other threads:[~2007-01-22 21:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-15 20:06 porting and packaging Emacs to a new platform: Maemo Ted Zlatanov
2007-01-22 21:43 ` Ted Zlatanov [this message]
2007-01-23  7:16   ` Emacs X/GTK code trouble with Maemo Jan Djärv
2007-01-23 16:31     ` Ted Zlatanov
2007-01-24 18:56     ` Ted Zlatanov
2007-01-24 19:57       ` Ted Zlatanov
2007-01-24 20:10       ` Jan Djärv

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