Mercurial > hg > xemacs-beta
annotate src/intl.c @ 5486:58e320bde005
Handle redisplay edge case.
With motion events when entering a frame and the minibuffer is
active, row and column can be zero, and there aren't any runes.
| author | Mike Kupfer <mike.kupfer@xemacs.org> |
|---|---|
| date | Sat, 30 Apr 2011 13:30:47 +0900 |
| parents | 308d34e9f07d |
| children |
| rev | line source |
|---|---|
| 771 | 1 /* Various functions for internationalizing XEmacs. |
| 428 | 2 Copyright (C) 1993, 1994, 1995 Board of Trustees, University of Illinois. |
| 826 | 3 Copyright (C) 2000, 2001, 2002 Ben Wing. |
| 428 | 4 |
| 5 This file is part of XEmacs. | |
| 6 | |
|
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7 XEmacs is free software: you can redistribute it and/or modify it |
| 428 | 8 under the terms of the GNU General Public License as published by the |
|
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9 Free Software Foundation, either version 3 of the License, or (at your |
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10 option) any later version. |
| 428 | 11 |
| 12 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
|
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18 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 428 | 19 |
| 20 /* Synched up with: Not in FSF. */ | |
| 21 | |
| 22 #include <config.h> | |
| 23 #include "lisp.h" | |
| 24 | |
| 25 #if defined (HAVE_X_WINDOWS) && defined (HAVE_X11_XLOCALE_H) | |
| 26 #include <X11/Xlocale.h> | |
| 27 #else | |
| 28 #ifdef HAVE_LOCALE_H | |
| 29 #include <locale.h> | |
| 30 #endif | |
| 31 #endif | |
| 32 | |
| 771 | 33 #ifdef HAVE_X_WINDOWS |
| 34 int init_x_locale (Lisp_Object locale); | |
| 35 #endif | |
| 428 | 36 |
| 771 | 37 DEFUN ("current-locale", Fcurrent_locale, 0, 0, 0, /* |
| 38 Return the current locale. | |
| 39 This is of the form LANG_COUNTRY.ENCODING, or LANG_COUNTRY, or LANG, | |
| 40 or .ENCODING. Unfortunately, the meanings of these three values are | |
| 41 system-dependent, and there is no universal agreement. | |
| 42 */ | |
| 43 ()) | |
| 44 { | |
| 45 Extbyte *loc; | |
| 428 | 46 |
| 771 | 47 loc = setlocale (LC_CTYPE, NULL); |
| 48 if (!loc) | |
| 49 return Qnil; | |
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50 return build_extstring (loc, Qctext); |
| 428 | 51 } |
| 52 | |
| 771 | 53 DEFUN ("set-current-locale", Fset_current_locale, 1, 1, 0, /* |
| 54 Set the user's current locale. | |
| 55 Takes a string, the value passed to setlocale(). | |
| 56 This is of the form LANG_COUNTRY.ENCODING, or LANG_COUNTRY, or LANG, | |
| 57 or .ENCODING. Unfortunately, the meanings of these three values are | |
| 58 system-dependent, and there is no universal agreement. This function | |
| 59 is meant to be called only from `set-language-environment', which | |
| 60 keeps tables to figure out the values to use for particular systems. | |
| 428 | 61 |
| 771 | 62 If the empty string is passed in, the locale is initialized from |
| 63 environment variables. | |
| 428 | 64 |
| 771 | 65 Returns nil if the call failed (typically, an invalid locale was given). |
| 66 Otherwise, returns the locale, or possibly a more-specified version. | |
| 428 | 67 */ |
| 771 | 68 (locale)) |
| 428 | 69 { |
| 771 | 70 Extbyte *loc; |
| 2946 | 71 Lisp_Object str; |
| 428 | 72 |
| 771 | 73 CHECK_STRING (locale); |
| 74 /* RedHat 6.2 contains a locale called "Francais" with the C-cedilla | |
| 75 encoded in ISO2022! */ | |
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76 loc = LISP_STRING_TO_EXTERNAL (locale, Qctext); |
| 771 | 77 loc = setlocale (LC_ALL, loc); |
| 78 if (!loc) | |
| 79 return Qnil; | |
| 2946 | 80 loc = xstrdup (loc); |
| 81 setlocale (LC_NUMERIC, "C"); | |
| 771 | 82 #ifdef HAVE_X_WINDOWS |
| 83 if (!init_x_locale (locale)) | |
| 428 | 84 { |
| 771 | 85 /* Locale not supported under X. Put it back. */ |
| 86 setlocale (LC_ALL, loc); | |
| 87 setlocale (LC_NUMERIC, "C"); | |
| 2946 | 88 free (loc); |
| 771 | 89 return Qnil; |
| 428 | 90 } |
| 771 | 91 #endif |
| 428 | 92 |
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93 str = build_extstring (loc, Qctext); |
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94 xfree (loc); |
| 2946 | 95 return str; |
| 428 | 96 } |
| 771 | 97 |
| 98 #if 0 | |
| 428 | 99 |
| 771 | 100 /* #### some old code that I really want to nuke, but I'm not completely |
| 101 sure what it did, so I'll leave it until we get around to implementing | |
| 102 message-translation and decide whether the functionality that this | |
| 103 is trying to support makes any sense. --ben */ | |
| 428 | 104 |
| 105 Lisp_Object Qdefer_gettext; | |
| 106 | |
| 826 | 107 DEFUN ("ignore-defer-gettext", Fignore_defer_gettext, 1, 1, 0, /* |
| 444 | 108 If OBJECT is of the form (defer-gettext "string"), return the string. |
| 428 | 109 The purpose of the defer-gettext symbol is to identify strings which |
| 110 are translated when they are referenced instead of when they are defined. | |
| 111 */ | |
| 444 | 112 (object)) |
| 428 | 113 { |
| 444 | 114 if (CONSP (object) |
| 115 && SYMBOLP (Fcar (object)) | |
| 116 && EQ (Fcar (object), Qdefer_gettext)) | |
| 117 return Fcar (Fcdr (object)); | |
| 428 | 118 else |
| 444 | 119 return object; |
| 428 | 120 } |
| 121 | |
| 771 | 122 #endif /* 0 */ |
| 123 | |
| 428 | 124 DEFUN ("gettext", Fgettext, 1, 1, 0, /* |
| 125 Look up STRING in the default message domain and return its translation. | |
| 126 This function does nothing if I18N3 was not enabled when Emacs was compiled. | |
| 127 */ | |
| 128 (string)) | |
| 129 { | |
| 130 #ifdef I18N3 | |
| 131 /* #### What should happen here is: | |
| 132 | |
| 133 1) If the string has no `string-translatable' property or its value | |
| 134 is nil, no translation takes place. The `string-translatable' property | |
| 135 only gets added when a constant string is read in from a .el or .elc | |
| 136 file, to avoid excessive translation. (The user can also explicitly | |
| 137 add this property to a string.) | |
| 138 2) If the string's `string-translatable' property is a string, | |
| 139 that string should be returned. `format' add this property. | |
| 140 This allows translation to take place at the proper time but | |
| 141 avoids excessive translation if the string is not destined for | |
| 142 a translating stream. (See print_internal().) | |
| 143 3) If gettext() returns the same string, then Fgettext() should return | |
| 144 the same object, minus the 'string-translatable' property. */ | |
| 145 | |
| 146 #endif | |
| 147 return string; | |
| 148 } | |
| 149 | |
| 150 #ifdef I18N3 | |
| 151 | |
| 152 /* #### add the function `force-gettext', perhaps in Lisp. This | |
| 153 ignores the `string-translatable' property and simply calls gettext() | |
| 154 on the string. Add the functions `set-string-translatable' and | |
| 155 `set-stream-translating'. */ | |
| 156 | |
| 157 #endif | |
| 158 | |
| 159 | |
| 160 | |
| 161 /************************************************************************/ | |
| 162 /* initialization */ | |
| 163 /************************************************************************/ | |
| 164 | |
| 165 void | |
| 771 | 166 init_intl (void) |
| 428 | 167 { |
| 3659 | 168 /* This function cannot GC, because it explicitly prevents it. */ |
| 771 | 169 if (initialized) |
| 170 { | |
| 171 int count = begin_gc_forbidden (); | |
| 853 | 172 Lisp_Object args[2]; |
| 173 | |
| 771 | 174 specbind (Qinhibit_quit, Qt); |
| 853 | 175 args[0] = Qreally_early_error_handler; |
| 176 args[1] = intern ("init-locale-at-early-startup"); | |
| 177 Fcall_with_condition_handler (2, args); | |
| 178 | |
| 771 | 179 /* Should be calling this here, but problems with |
| 180 `data-directory' and locating the files. See comment in | |
| 181 mule-cmds.el:`init-mule-at-startup'. | |
| 428 | 182 |
| 853 | 183 args[1] = intern ("init-unicode-at-early-startup"); |
| 184 Fcall_with_condition_handler (2, args); | |
| 771 | 185 */ |
| 186 unbind_to (count); | |
| 187 } | |
| 428 | 188 } |
| 189 | |
| 190 void | |
| 191 syms_of_intl (void) | |
| 192 { | |
| 193 DEFSUBR (Fgettext); | |
| 771 | 194 DEFSUBR (Fset_current_locale); |
| 195 DEFSUBR (Fcurrent_locale); | |
| 428 | 196 } |
| 197 | |
| 198 void | |
| 199 vars_of_intl (void) | |
| 200 { | |
| 201 #ifdef I18N3 | |
| 202 Fprovide (intern ("i18n3")); | |
| 203 #endif | |
| 771 | 204 |
| 205 #ifdef MULE | |
| 206 Fprovide (intern ("mule")); | |
| 207 #endif /* MULE */ | |
| 428 | 208 } |