/usr/share/uim/event.scm is in uim-data 1:1.8.6+gh20180114.64e3173-2build2.
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;;;
;;; Copyright (c) 2004-2013 uim Project https://github.com/uim/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.
;;;;
;; These events will cooperate with the composer framework which will
;; be appeared as composer.scm to enable flexible input method
;; component organization such as nested composer (input method) based
;; on loose relationships. -- YamaKen 2005-02-18
(require-extension (sscm-ext))
(require "util.scm")
;;(require "utext.scm")
(require "ng-key.scm")
(define %HYPHEN-SYM (string->symbol "-"))
;;
;; event definitions
;;
(define valid-event-types ())
(define event-rec-spec
'((type unknown)))
(define upward-event-rec-spec event-rec-spec)
(define-record 'upward-event upward-event-rec-spec)
(define downward-event-rec-spec
(append
event-rec-spec
'(;;(context-id -1)
(consumed #f)
(loopback #f) ;; instructs re-injection into local composer
(timestamp -1) ;; placeholder
(ext-state #f))))
;; use 'event' instead of 'downward-event' as record name for convenient use
(define-record 'event downward-event-rec-spec)
;; Define an uim event
;;
;; define-event defines event-creator (foo-event-new) and accessors
;; (foo-event-bar, foo-event-set-bar!) as same as define-record does. The
;; difference is convenient definition and better performance of creator proc.
;;
;; Base part spec of event record and extended one are passed to define-event
;; as separated. Be careful about the difference from define-record.
;;
;; .parameter name Event name as symbol (e.g. 'key)
;; .parameter base-spec upward-event-rec-spec or downward-event-rec-spec
;; .parameter ext-spec Additional field definitions as same as record-spec for
;; define-record
;; TODO: write test
(define define-event
(lambda (name base-spec . rest)
(let-optionals* rest ((ext-spec ()))
(let* ((base-spec (alist-replace (list 'type name) base-spec))
(base-defaults (map record-field-spec-default-value base-spec))
(ext-defaults (map record-field-spec-default-value ext-spec))
(creator (lambda args
(append base-defaults
args
(list-tail ext-defaults (length args))))))
(define-record (symbol-append name %HYPHEN-SYM 'event)
(append base-spec ext-spec))
(eval (list 'define (symbol-append name %HYPHEN-SYM 'event-new) creator)
(interaction-environment))
(set! valid-event-types (cons name valid-event-types))))))
(define event-external-state
(lambda (ev state-id)
(let ((state-reader (event-ext-state ev)))
(and (procedure? state-reader)
(state-reader state-id)))))
(define-event 'timer
downward-event-rec-spec)
(define-event 'reset
downward-event-rec-spec)
(define-event 'focus-in
downward-event-rec-spec)
(define-event 'focus-out
downward-event-rec-spec)
(define-event 'client-info
downward-event-rec-spec
'((locale #f)
(bridge "") ;; "gtk", "uim-xim", "macuim", ...
(application "") ;; acquire via bridge-dependent methods such as basename `echo $0`
(expected ""))) ;; "direct", "number", "upper-alphabet", "ja-hiragana", ...
;; inserts a text into active IM context
;; For example, this can be used to insert a kanji word via clipboard
;; to register new dictionary entry
(define-event 'insert
downward-event-rec-spec
'((utext ()))) ;; can include cursor position info
(define-event 'commit
upward-event-rec-spec
'((utext ()) ;; can include cursor position info
(preedit-updated #t) ;; can also update preedit as atomic event
(former-del-len 0) ;; for surrounding text operation
(latter-del-len 0))) ;; for surrounding text operation
(define-event 'preedit-updated
upward-event-rec-spec)
(define-event 'action
downward-event-rec-spec
'((action-id #f))) ;; 'action_input_mode_direct
(define-event 'choosable-updated
upward-event-rec-spec
'((choosable-id #f) ;; 'chbl_candidates 'chbl_input_modes
(sender #f))) ;; originator choosable object of this event
(define-event 'choosable-deactivated
upward-event-rec-spec
'((choosable-id #f) ;; 'chbl_candidates 'chbl_input_modes
(sender #f))) ;; originator choosable object of this event
(define-event 'chooser
downward-event-rec-spec
'((widget-id #f) ;; 'chsr_floating_window0 'chsr_toolbar0
(chosen -1) ;; negative value means that nothing is chosen
(finish #t) ;; finish current choice transaction
(scope-top -1)
(scope-size -1)))
(define-event 'chooser-update-req
downward-event-rec-spec
'((widget-id #f) ;; 'chsr_floating_window0 'chsr_toolbar0
(initialize #f)
(items-top -1)
(nr-items -1)))
(define-event 'chooser-update
upward-event-rec-spec
'((widget-id #f)
(initialize #f) ;; invalidate all cached info about the chooser
(transition #f) ;; 'activate 'deactivate 'update
(chooser-size -1) ;; number of items including hidden ones
(chosen -1) ;; item index currently chosen
(scope-top -1) ;;
(scope-size-hint -1) ;; number of items displayable at a time
(title #f) ;; indication
(status #f) ;; indication
(updated-items-top -1)
(updated-items ()))) ;; list of indications
;; #f means "don't care" for lkey, pkey, str, press and autorepeat
;; when comparing with other key-event. But modifiers require exact
;; match.
(define-event 'key
downward-event-rec-spec
(list
;;(list text #f) ;; replace raw string with utext in future
(list 'str #f) ;; precomposed string
(list 'lkey #f) ;; logical keysym
(list 'pkey #f) ;; physical keysym
(list 'modifier mod_None) ;; set of modifiers
(list 'press #t) ;; indicates press/release
(list 'autorepeat #f))) ;; whether generated by autorepeat or not
(define key-release-event-new
(lambda args
(let ((ev (apply key-event-new args)))
(key-event-set-press! ev #f)
ev)))
;; TODO: make encoding sensitive
(define key-event-char
(lambda (ev)
(let ((str (key-event-str ev)))
(and (string? str)
(string->char str)))))
(define key-event-extract-press-str
(lambda (ev)
(and (key-event-press ev)
(key-event-str ev))))
(define key-event-char-upcase!
(lambda (ev)
(let ((str ((compose charcode->string
char-upcase
key-event-char)
ev)))
(key-event-set-str! ev str))))
(define key-event-char-downcase!
(lambda (ev)
(let ((str ((compose charcode->string
char-downcase
key-event-char)
ev)))
(key-event-set-str! ev str))))
;; TODO: write test
(define key-event-covers?
(lambda (self other)
(and (every (lambda (getter)
(let ((self-val (getter self))
(other-val (getter other)))
(and self-val ;; #f means "don't care"
(equal? self-val other-val))))
(list key-event-lkey
key-event-pkey
key-event-str))
(modifier-match? (key-event-modifier self)
(key-event-modifier other))
;; exact matches
(every (lambda (getter)
(equal? (getter self)
(getter other)))
(list key-event-press
key-event-autorepeat)))))
;; TODO: write test
(define key-event-inspect
(lambda (ev)
(string-append
(if (key-event-str ev)
(string-append "\"" (key-event-str ev) "\"")
"-")
" "
(symbol->string (or (key-event-lkey ev)
%HYPHEN-SYM))
" "
(symbol->string (or (key-event-pkey ev)
%HYPHEN-SYM))
" ("
(string-join
" "
(filter-map (lambda (mod-sym)
(and (not (= (bitwise-and (symbol-value mod-sym)
(key-event-modifier ev))
0))
(symbol->string mod-sym)))
valid-modifiers))
") "
(if (key-event-press ev)
"press"
"release")
" "
(if (key-event-autorepeat ev)
"autorepeat"
"nonrepeat")
" "
(if (event-consumed ev)
"consumed"
"not-consumed")
"\n")))
(define key-event-print-inspected
(lambda (msg ev)
(if inspect-key-event-translation?
(display (string-append msg
(key-event-inspect ev))))))
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