view lisp/x-win-xfree86.el @ 5882:bbe4146603db

Reduce regexp usage, now CL-oriented non-regexp code available, core Lisp lisp/ChangeLog addition: 2015-04-01 Aidan Kehoe <kehoea@parhasard.net> When calling #'string-match with a REGEXP without regular expression special characters, call #'search, #'mismatch, #'find, etc. instead, making our code less likely to side-effect other functions' match data and a little faster. * apropos.el (apropos-command): * apropos.el (apropos): Call (position ?\n ...) rather than (string-match "\n" ...) here. * buff-menu.el: * buff-menu.el (buffers-menu-omit-invisible-buffers): Don't fire up the regexp engine just to check if a string starts with a space. * buff-menu.el (select-buffers-tab-buffers-by-mode): Don't fire up the regexp engine just to compare mode basenames. * buff-menu.el (format-buffers-tab-line): * buff-menu.el (build-buffers-tab-internal): Moved to being a label within the following. * buff-menu.el (buffers-tab-items): Use the label. * bytecomp.el (byte-compile-log-1): Don't fire up the regexp engine just to look for a newline. * cus-edit.el (get): Ditto. * cus-edit.el (custom-variable-value-create): Ditto, but for a colon. * descr-text.el (describe-text-sexp): Ditto. * descr-text.el (describe-char-unicode-data): Use #'split-string-by-char given that we're just looking for a semicolon. * descr-text.el (describe-char): Don't fire up the regexp engine just to look for a newline. * disass.el (disassemble-internal): Ditto. * files.el (file-name-sans-extension): Implement this using #'position. * files.el (file-name-extension): Correct this function's docstring, implement it in terms of #'position. * files.el (insert-directory): Don't fire up the regexp engine to split a string by space; don't reverse the list of switches, this is actually a longstand bug as far as I can see. * gnuserv.el (gnuserv-process-filter): Use #'position here, instead of consing inside #'split-string needlessly. * gtk-file-dialog.el (gtk-file-dialog-update-dropdown): Use #'split-string-by-char here, don't fire up #'split-string for directory-sep-char. * gtk-font-menu.el (hack-font-truename): Implement this more cheaply in terms of #'find, #'split-string-by-char, #'equal, rather than #'string-match, #'split-string, #'string-equal. * hyper-apropos.el (hyper-apropos-grok-functions): * hyper-apropos.el (hyper-apropos-grok-variables): Look for a newline using #'position rather than #'string-match in these functions. * info.el (Info-insert-dir): * info.el (Info-insert-file-contents): * info.el (Info-follow-reference): * info.el (Info-extract-menu-node-name): * info.el (Info-menu): Look for fixed strings using #'position or #'search as appropriate in this file. * ldap.el (ldap-decode-string): * ldap.el (ldap-encode-string): #'encode-coding-string, #'decode-coding-string are always available, don't check if they're fboundp. * ldap.el (ldap-decode-address): * ldap.el (ldap-encode-address): Use #'split-string-by-char in these functions. * lisp-mnt.el (lm-creation-date): * lisp-mnt.el (lm-last-modified-date): Don't fire up the regexp engine just to look for spaces in this file. * menubar-items.el (default-menubar): Use (not (mismatch ...)) rather than #'string-match here, for simple regexp. Use (search "beta" ...) rather than (string-match "beta" ...) * menubar-items.el (sort-buffers-menu-alphabetically): * menubar-items.el (sort-buffers-menu-by-mode-then-alphabetically): * menubar-items.el (group-buffers-menu-by-mode-then-alphabetically): Don't fire up the regexp engine to check if a string starts with a space or an asterisk. Use the more fine-grained results of #'compare-strings; compare case-insensitively for the buffer menu. * menubar-items.el (list-all-buffers): * menubar-items.el (tutorials-menu-filter): Use #'equal rather than #'string-equal, which, in this context, has the drawback of not having a bytecode, and no redeeming features. * minibuf.el: * minibuf.el (un-substitute-in-file-name): Use #'count, rather than counting the occurences of $ using the regexp engine. * minibuf.el (read-file-name-internal-1): Don't fire up the regexp engine to search for ?=. * mouse.el (mouse-eval-sexp): Check for newline with #'find. * msw-font-menu.el (mswindows-reset-device-font-menus): Split a string by newline with #'split-string-by-char. * mule/japanese.el: * mule/japanese.el ("Japanese"): Use #'search rather than #'string-match; canoncase before comparing; fix a bug I had introduced where I had been making case insensitive comparisons where the case mattered. * mule/korea-util.el (default-korean-keyboard): Look for ?3 using #'find, not #'string-march. * mule/korea-util.el (quail-hangul-switch-hanja): Search for a fixed string using #'search. * mule/mule-cmds.el (set-locale-for-language-environment): #'position, #'substitute rather than #'string-match, #'replace-in-string. * newcomment.el (comment-make-extra-lines): Use #'search rather than #'string-match for a simple string. * package-get.el (package-get-remote-filename): Use #'position when looking for ?@ * process.el (setenv): * process.el (read-envvar-name): Use #'position when looking for ?=. * replace.el (map-query-replace-regexp): Use #'split-string-by-char instead of using an inline implementation of it. * select.el (select-convert-from-cf-text): * select.el (select-convert-from-cf-unicodetext): Use #'position rather than #'string-match in these functions. * setup-paths.el (paths-emacs-data-root-p): Use #'search when looking for simple string. * sound.el (load-sound-file): Use #'split-string-by-char rather than an inline reimplementation of same. * startup.el (splash-screen-window-body): * startup.el (splash-screen-tty-body): Search for simple strings using #'search. * version.el (emacs-version): Ditto. * x-font-menu.el (hack-font-truename): Implement this more cheaply in terms of #'find, #'split-string-by-char, #'equal, rather than #'string-match, #'split-string, #'string-equal. * x-font-menu.el (x-reset-device-font-menus-core): Use #'split-string-by-char here. * x-init.el (x-initialize-keyboard): Search for a simple string using #'search.
author Aidan Kehoe <kehoea@parhasard.net>
date Wed, 01 Apr 2015 14:28:20 +0100
parents 1d1f385c9149
children
line wrap: on
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;;; x-win-xfree86.el --- runtime initialization for XFree86 servers
;; Copyright (C) 1995 Sun Microsystems, Inc.
;; Copyright (C) 1995 Ben Wing.

;; Author: Ben Wing
;; Author: Martin Buchholz (rewritten to use function-key-map)
;; Keywords: terminals

;; This file is part of XEmacs.

;; XEmacs 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 3 of the License, or (at your
;; option) any later version.

;; XEmacs 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 XEmacs.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;; This file is loaded by x-win.el at run-time when we are sure that XEmacs
;; is running on the display of something running XFree86 (Linux,
;; NetBSD, FreeBSD, and perhaps other Intel Unixen).

;;; #### bleck!!! Use key-translation-map!

;;; #### Counter-bleck!! We shouldn't override a user binding for F13.
;;; So we use function-key-map for now.
;;; When we've implemented a fallback-style equivalent of
;;; keyboard-translate-table, we'll use that instead. (martin)

;; For no obvious reason, shift-F1 is called F13, although Meta-F1 and
;; Control-F1 have normal names.

;;; Code:

(defun x-win-init-xfree86 (device)

  ;; We know this keyboard is an XFree86 keyboard. As such, we can predict
  ;; what key scan codes will correspond to the keys on US keyboard layout,
  ;; and we can use that information to fall back to the US layout when
  ;; looking up commands that would otherwise fail. (Cf. the hard-coding of
  ;; this information in /usr/X11R6/lib/X11/xkb/keycodes/xfree86 )
  ;;
  ;; These settings for x-us-keymap-first-keycode and
  ;; x-us-keymap-description were determined with 
  ;; 
  ;; setxkbmap us
  ;; xmodmap -pke > keyboard-description.txt
  ;;
  ;; "8" is the key code of the first line, x-us-keymap-description is
  ;; taken from the column describing the bindings. 

  (setq x-us-keymap-first-keycode 8
	x-us-keymap-description
	[nil nil [?1 ?!] [?2 ?@] [?3 ?\#] [?4 ?$] [?5 ?%] [?6 ?^] [?7 ?&]
	     [?8 ?*] [?9 ?\(] [?0 ?\)] [?- ?_] [?= ?+] nil ?\t [?q ?Q] 
	     [?w ?W] [?e ?E] [?r ?R] [?t ?T] [?y ?Y] [?u ?U] [?i ?I] [?o ?O]
	     [?p ?P] [?\[ ?{] [?\] ?}] nil nil [?a ?A] [?s ?S] [?d ?D]
	     [?f ?F] [?g ?G] [?h ?H] [?j ?J] [?k ?K] [?l ?L] [?\; ?:]
	     [?\' ?\"] [?\` ?~] nil [?\\ ?|] [?z ?Z] [?x ?X] [?c ?C]
	     [?v ?V] [?b ?B] [?n ?N] [?m ?M] [?\, ?<] [?\. ?>] [?/ ?\?]
	     nil ?* nil ?\  nil nil nil nil nil nil nil nil nil nil nil
	     nil nil ?7 ?8 ?9 ?- ?4 ?5 ?6 ?+ ?1 ?2 ?3 ?0 ?\. nil nil 
	     [?< ?>] nil nil nil nil nil nil nil nil nil nil nil nil 
	     nil nil nil nil nil ?/ nil nil nil nil nil nil nil nil 
	     nil nil nil nil nil ?=])

  (loop for (key sane-key) in
    '((f13 f1)
      (f14 f2)
      (f15 f3)
      (f16 f4)
      (f17 f5)
      (f18 f6)
      (f19 f7)
      (f20 f8)
      (f21 f9)
      (f22 f10)
      (f23 f11)
      (f24 f12))
    ;; Get the correct value for function-key-map
    with function-key-map = (symbol-value-in-console 'function-key-map
                                                     (device-console device)
                                                     function-key-map)
    with x-keysym-hash-table = (x-keysym-hash-table device)

    initially
    (when (gethash 'iso-left-tab x-keysym-hash-table)
      (define-key function-key-map 'iso-left-tab [(shift tab)]))

    do
    (when (not (memq (gethash key x-keysym-hash-table) '(nil sans-modifiers)))
      ;; define also the control, meta, and meta-control versions.
      (loop for mods in '(() (control) (meta) (meta control)) do
	(define-key function-key-map `[(,@mods ,key)]
          `[(shift ,@mods ,sane-key)])))))

;;; x-win-xfree86.el ends here