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im-switcher.scm
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im-switcher.scm
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;;; im-switcher.scm: Action-based IM switcher
;;;
;;; Copyright (c) 2006-2012 uim Project http://code.google.com/p/uim/
;;;
;;; All rights reserved.
;;;
;;; Redistribution and use in source and binary forms, with or without
;;; modification, are permitted provided that the following conditions
;;; are met:
;;; 1. Redistributions of source code must retain the above copyright
;;; notice, this list of conditions and the following disclaimer.
;;; 2. Redistributions in binary form must reproduce the above copyright
;;; notice, this list of conditions and the following disclaimer in the
;;; documentation and/or other materials provided with the distribution.
;;; 3. Neither the name of authors nor the names of its contributors
;;; may be used to endorse or promote products derived from this software
;;; without specific prior written permission.
;;;
;;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
;;; IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
;;; THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
;;; PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
;;; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
;;; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
;;; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
;;; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
;;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
;;; OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
;;; ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;;;
(require "util.scm")
(require "im.scm")
(require "i18n.scm")
(require "load-action.scm")
(define imsw-indication-id-alist
'())
(define imsw-iconic-label-alist
'((direct . "-")
(ajax-ime . "Aj")
(anthy . "An")
(anthy-utf8 . "An")
(byeoru . "B")
(canna . "Ca")
(chewing . "Ch")
(elatin . "E")
(hangul2 . "H2")
(hangul3 . "H3")
(ipa-x-sampa . "I")
(latin . "Lt")
(look . "Lo")
(mana . "Ma")
(mozc . "Mz")
(pinyin-big5 . "Pi")
(pyunihan . "Py")
(prime . "Pm")
(romaja . "R")
(sj3 . "Sj")
(skk . "Sk")
(social-ime . "Si")
(tcode . "Tc")
(tutcode . "Tu")
(trycode . "Tr")
(viqr . "V")
(wb86 . "Wb")
(wnn . "Wn")
(yahoo-jp . "Yj")
(zm . "Zm")))
(define imsw-default-iconic-label "IM")
(define imsw-indication-id
(lambda (idname)
(or (assq-cdr idname imsw-indication-id-alist)
idname)))
(define imsw-iconic-label
(lambda (idname)
(or (assq-cdr idname imsw-iconic-label-alist)
imsw-default-iconic-label)))
;; FIXME: the helper protocol must be revised as codeset included
;; in each branches, to make the switcher widget context-encoding
;; independent.
(define imsw-actions
(lambda ()
(if (not (memq 'direct enabled-im-list))
(set! enabled-im-list (append enabled-im-list '(direct))))
(filter-map
(lambda (idname)
(let ((im (assq idname im-list)))
(and im
(let* ((act-name (symbolconc 'action_imsw_ idname))
(indication (list (imsw-indication-id idname)
(imsw-iconic-label idname)
(im-name-label im)
(im-short-desc im))))
(register-action act-name
(lambda (ctx) ;; indication handler
indication)
(lambda (ctx) ;; activity predicate
(eq? (im-name (context-im ctx))
idname))
(lambda (ctx) ;; action handler
(im-switch-im ctx idname)
(case imsw-coverage
((focused-context)
#t)
((app-global)
(im-switch-app-global-im ctx idname))
((system-global)
(im-switch-system-global-im ctx idname)))))
act-name))))
enabled-im-list)))
(define imsw-widget-codeset
(or (and (feature? 'nls)
(bind-textdomain-codeset (gettext-package) #f))
(locale-codeset (locale-new ""))))
;; This procedure must be called after all IM entries are prepared in
;; im-list. So the invocation is defferred to
;; imsw-add-im-switcher-widget or context-refresh-switcher-widget!.
(define imsw-register-widget
(lambda ()
(or (assq 'widget_im_switcher widget-proto-list)
(let ((acts (imsw-actions)))
(register-widget 'widget_im_switcher
(activity-indicator-new acts)
(actions-new acts))))))
(define imsw-add-im-switcher-widget
(lambda (widget-id-list)
(if toolbar-show-action-based-switcher-button?
(begin
(imsw-register-widget)
(if (memq 'widget_im_switcher widget-id-list)
widget-id-list
(cons 'widget_im_switcher widget-id-list)
;;(append widget-id-list '(widget_im_switcher))
))
(delete 'widget_im_switcher widget-id-list eq?))))
(define context-init-widgets-orig context-init-widgets!)
(define context-init-widgets!
(lambda (context widget-id-list)
(context-init-widgets-orig context
(imsw-add-im-switcher-widget widget-id-list))))
(define context-list-replace-widgets-orig context-list-replace-widgets!)
(define context-list-replace-widgets!
(lambda (target-im-name widget-id-list)
(context-list-replace-widgets-orig
target-im-name
(imsw-add-im-switcher-widget widget-id-list))))
(define context-update-widget-states-orig context-update-widget-states!)
(define context-update-widget-states!
(lambda (context act-ids)
(if toolbar-show-action-based-switcher-button?
(for-each widget-activate!
(cdr (context-widgets context))
(cdr act-ids))
(context-update-widget-states-orig context act-ids))))
(define widgets-refresh-switcher-widget
(lambda (widgets ctx)
(if toolbar-show-action-based-switcher-button?
(begin
(imsw-register-widget)
(if (and
(pair? (car widgets))
(assq 'widget_im_switcher widgets))
widgets
(cons (widget-new 'widget_im_switcher ctx)
widgets)))
(alist-delete 'widget_im_switcher widgets eq?))))
(define context-refresh-switcher-widget!
(lambda (ctx)
(let ((toggle-state (context-toggle-state ctx))
(widgets (context-widgets ctx)))
(context-set-widgets! ctx (widgets-refresh-switcher-widget widgets ctx))
(if toggle-state
(let ((alt-widgets (toggle-state-widget-states toggle-state)))
(toggle-state-set-widget-states!
toggle-state
(widgets-refresh-switcher-widget alt-widgets ctx))))
(if (context-focused? ctx)
(context-propagate-widget-configuration ctx)))))