File: wm.jl

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#| nokogiri-wm.jl -- WM communication

   $Id: wm.jl,v 1.10 2002/04/21 03:38:25 jsh Exp $

   Copyright (C) 2000 John Harper <john@dcs.warwick.ac.uk>

   This file is part of sawfish.

   sawfish is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   sawfish is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with sawfish; see the file COPYING.  If not, write to
   the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|#

(define-structure sawfish.ui.wm

    (export wm-load-slots
	    wm-load-group
	    wm-apply-changes
	    wm-locale-dir
	    wm-grab-x-property
	    wm-grab-key
	    wm-command-list
	    wm-documentation)

    (open rep
	  sawfish.client)

;;; wm communication (possibly replace by CORBA..?)

  (define (wm-eval form #!optional read-back)
    (sawfish-client-eval form (not read-back)))

  (define (wm-eval-async form)
    (sawfish-client-eval-async form))

  (define done-init nil)
  (define (init-server)
    (unless done-init
      (wm-eval '(require 'sawfish.wm.util.nokogiri))
      (setq done-init t)))

;;; stub functions

  ;; returns a list of keyworded items. Keywords include:
  ;; #:name, #:depends, #:value, #:type, #:doc
  (define (wm-load-slots names)
    (init-server)
    (wm-eval `(nokogiri-report-slots ',names) t))

  ;; return the data in GROUP
  (define (wm-load-group group)
    (init-server)
    (wm-eval `(nokogiri-report-group ',group) t))

  ;; CHANGES is list of (SLOT-NAME . NEW-VALUE)
  (define (wm-apply-changes changes)
    (init-server)
    (wm-eval `(nokogiri-apply-changes ',changes)))

  (define (wm-locale-dir)
    (wm-eval 'sawfish-locale-directory t))

  (define (wm-grab-x-property prop-name)
    (wm-eval `(nokogiri-grab-match-window-property ',prop-name) t))

  (define (wm-grab-key)
    (wm-eval '(nokogiri-grab-key) t))

  (define wm-command-list
    (let ((commands '*undefined*))
      (lambda ()
	(unless (listp commands)
	  (init-server)
	  (setq commands (wm-eval '(nokogiri-report-commands) t)))
	commands)))

  (define (wm-documentation symbol)
    (wm-eval
     `(let ((doc (command-documentation ',symbol)))
	(and doc (_ doc))) t)))