Mercurial > hg > xemacs-beta
annotate lisp/mule/mule-x-init.el @ 4569:80e0588fb42f
Merge.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Sun, 28 Dec 2008 14:55:02 +0000 |
| parents | e34711681f30 |
| children | 308d34e9f07d |
| rev | line source |
|---|---|
| 502 | 1 ;;; mule-x-init.el --- initialization code for X Windows under MULE -*- coding: iso-2022-7bit; -*- |
| 428 | 2 ;; Copyright (C) 1994 Free Software Foundation, Inc. |
| 872 | 3 ;; Copyright (C) 1996, 2002 Ben Wing <ben@xemacs.org> |
| 428 | 4 |
| 5 ;; Author: various | |
| 6 ;; Keywords: mule X11 | |
| 7 | |
| 8 ;; This file is part of XEmacs. | |
| 9 ;; | |
| 10 ;; XEmacs is free software; you can redistribute it and/or modify | |
| 11 ;; it under the terms of the GNU General Public License as published by | |
| 12 ;; the Free Software Foundation; either version 2, or (at your option) | |
| 13 ;; any later version. | |
| 14 ;; | |
| 15 ;; XEmacs is distributed in the hope that it will be useful, | |
| 16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 ;; GNU General Public License for more details. | |
| 19 ;; | |
| 20 ;; You should have received a copy of the GNU General Public License | |
| 21 ;; along with XEmacs; see the file COPYING. If not, write to the | |
| 22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 23 ;; Boston, MA 02111-1307, USA. | |
| 24 | |
| 25 ;;; Commentary: | |
| 26 | |
| 27 ;;; Code: | |
| 28 | |
| 29 ;;; Work around what is arguably a Sun CDE bug. | |
| 30 | |
|
4477
e34711681f30
Don't determine whether to call general device-type code at startup,
Aidan Kehoe <kehoea@parhasard.net>
parents:
4103
diff
changeset
|
31 ;; #### This is unused, apparently. |
| 428 | 32 (defun x-use-halfwidth-roman-font (fullwidth-charset roman-registry) |
| 33 "Maybe set charset registry of the 'ascii charset to ROMAN-REGISTRY. | |
| 34 | |
| 35 Do this only if: | |
| 36 - the current display is an X device | |
| 37 - the displayed width of FULLWIDTH-CHARSET is twice the displayed | |
| 38 width of the 'ascii charset, but only when using ROMAN-REGISTRY. | |
| 39 | |
| 40 Traditionally, Asian characters have been displayed so that they | |
| 41 occupy exactly twice the screen space of ASCII (`halfwidth') | |
| 42 characters. On many systems, e.g. Sun CDE systems, this can only be | |
| 43 achieved by using a national variant roman font to display ASCII." | |
| 872 | 44 (flet ((charset-font-width (charset) |
| 45 (font-instance-width | |
| 46 (face-font-instance 'default (selected-device) charset))) | |
| 47 | |
| 48 (twice-as-wide (cs1 cs2) | |
| 49 (let ((width1 (charset-font-width cs1)) | |
| 50 (width2 (charset-font-width cs2))) | |
| 51 (and width1 width2 (eq (+ width1 width1) width2))))) | |
| 428 | 52 |
| 53 (when (eq 'x (device-type)) | |
| 4103 | 54 (let ((original-registries (charset-registries 'ascii))) |
| 55 (condition-case nil | |
| 56 (unless (twice-as-wide 'ascii fullwidth-charset) | |
| 57 (set-charset-registries 'ascii (vector roman-registry)) | |
| 58 (unless (twice-as-wide 'ascii fullwidth-charset) | |
| 59 ;; Restore if roman-registry didn't help | |
| 60 (set-charset-registries 'ascii original-registries))) | |
| 61 (error (set-charset-registries 'ascii original-registries))))))) | |
| 428 | 62 |
| 63 ;;;; |