--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/intl.c	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,338 @@
+/* Various functions for internationalizing XEmacs
+   Copyright (C) 1993, 1994, 1995 Board of Trustees, University of Illinois.
+
+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 2, 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; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Synched up with: Not in FSF. */
+
+/* This stuff is far, far from working. */
+
+#include <config.h>
+#include "lisp.h"
+
+#include "bytecode.h"
+#include "device.h"
+
+#if defined (HAVE_X_WINDOWS) && defined (HAVE_X11_XLOCALE_H)
+#include <X11/Xlocale.h>
+#else
+#ifdef HAVE_LOCALE_H
+#include <locale.h>
+#endif
+#endif
+
+#ifdef I18N4
+#include <X11/Xlib.h>
+
+unsigned long input_method_event_mask;
+Atom wc_atom;
+
+/* init_input -- Set things up for i18n level 4 input.
+*/
+void
+init_input (CONST char *res_name, CONST char *res_class, Display *display)
+{
+  XIMStyles *styles;
+  unsigned short i;
+  
+  input_method = 0;
+  input_method_style = 0;
+  initial_input_context = 0;
+  input_method_event_mask = 0;
+  
+  input_method = XOpenIM (display, NULL,
+			  (char *) res_name, (char *) res_class);
+  
+  if (!input_method)
+    {
+      stderr_out ("WARNING: XOpenIM() failed...no input server\n");
+      return;
+    }
+
+  /* Query input method for supported input styles and pick one.
+     Right now, we choose a style which supports root-window preediting. */
+  XGetIMValues (input_method, XNQueryInputStyle, &styles, NULL);
+  for (i = 0; i < styles->count_styles; i++)
+    {
+      if (styles->supported_styles[i] == (XIMPreeditNothing|XIMStatusNothing))
+	{
+	  input_method_style= styles->supported_styles[i];
+	  break;
+	}
+    }
+  
+  if (!input_method_style)
+    {
+      stderr_out ("WARNING: Could not find suitable input style.\n");
+      return;
+    }
+
+  initial_input_context = XCreateIC (input_method,
+				     XNInputStyle, input_method_style,
+				     NULL);
+  if (!initial_input_context)
+    {
+      stderr_out ("WARNING: Could not create input context.\n");
+      return;
+    }
+  
+  XGetICValues (initial_input_context,
+		XNFilterEvents, &input_method_event_mask,
+		NULL);
+  
+  /* Get a new atom for wide character client messages. */
+  wc_atom = XInternAtom (display, "Wide Character Event", False);
+}
+
+
+/*static widechar_string composed_input_buf = EMPTY_WIDECHAR_STRING;*/
+
+#define XIM_Composed_Text_BUFSIZE 64
+typedef struct XIM_Composed_Text {
+  int size;
+  wchar_t data [XIM_Composed_Text_BUFSIZE];
+} XIM_Composed_Text;
+static XIM_Composed_Text composed_input_buf = {XIM_Composed_Text_BUFSIZE, {0}};
+/*static wcidechar composed_input_buf [64] = {0};*/
+Window main_window;  /* Convenient way to refer to main Era window. */
+
+/* x_get_composed_input -- Process results of input method composition.
+
+   This function copies the results of the input method composition to
+   composed_input_buf.  Then for each character, a custom event of type
+   wc_atom is sent with the character as its data.
+
+   It is probably more efficient to copy the composition results to some
+   allocated memory and send a single event pointing to that memory.
+   That would cut down on the event processing as well as allow quick
+   insertion into the buffer of the whole string.  It might require some
+   care, though, to avoid fragmenting memory through the allocation and
+   freeing of many small chunks.  Maybe the existing system for
+   (single-byte) string allocation can be used, multipling the length by
+   sizeof (wchar_t) to get the right size.
+*/
+void
+x_get_composed_input (XKeyPressedEvent *x_key_event, XIC context,
+		      Display *display)
+{
+  KeySym keysym;
+  Status status;
+  int len;
+  int i;
+  XClientMessageEvent new_event;
+
+ try_again:
+  len = XwcLookupString (context, x_key_event, composed_input_buf.data,
+			 composed_input_buf.size, &keysym, &status);
+  switch (status)
+    {
+    case XBufferOverflow:
+      /* GROW_WC_STRING (&composed_input_buf, 32); mrb */
+      goto try_again;
+    case XLookupChars:
+      break;
+    default:
+      abort ();
+    }
+
+  new_event.type = ClientMessage;
+  new_event.display = x_key_event->display;
+  new_event.window = x_key_event->window;
+  new_event.message_type = wc_atom;
+  new_event.format = 32;  /* 32-bit wide data */
+  new_event.data.l[2] = new_event.data.l[3] = new_event.data.l[4] = 0L;
+  new_event.data.l[0] = x_key_event->time;
+  for (i = 0; i < len; i++) {
+    new_event.data.l[1] = ((wchar_t *) composed_input_buf.data)[i];
+    XSendEvent (display, main_window, False, 0L, (XEvent *) &new_event);
+  }
+}
+#endif /* I18N4 */
+
+
+Lisp_Object Qdomain;
+Lisp_Object Qdefer_gettext;
+
+DEFUN ("ignore-defer-gettext", Fignore_defer_gettext, Signore_defer_gettext,
+       1, 1, 0 /*
+If OBJ is of the form (defer-gettext \"string\"), return the string.
+The purpose of the defer-gettext symbol is to identify strings which
+are translated when they are referenced instead of when they are defined.
+*/ )
+  (obj)
+     Lisp_Object obj;
+{
+  if (CONSP (obj) && SYMBOLP (Fcar (obj)) && EQ (Fcar (obj), Qdefer_gettext))
+    return Fcar (Fcdr (obj));
+  else
+    return obj;
+}
+
+DEFUN ("gettext", Fgettext, Sgettext, 1, 1, 0 /*
+Look up STRING in the default message domain and return its translation.
+This function does nothing if I18N3 was not enabled when Emacs was compiled.
+*/ )
+  (string)
+     Lisp_Object string;
+{
+#ifdef I18N3
+  /* #### What should happen here is:
+
+     1) If the string has no `string-translatable' property or its value
+        is nil, no translation takes place.  The `string-translatable' property
+	only gets added when a constant string is read in from a .el or .elc
+	file, to avoid excessive translation.  (The user can also explicitly
+	add this property to a string.)
+     2) If the string's `string-translatable' property is a string,
+	that string should be returned.  `format' add this property.
+	This allows translation to take place at the proper time but
+	avoids excessive translation if the string is not destined for
+	a translating stream.  (See print_internal().)
+     3) If gettext() returns the same string, then Fgettext() should return
+        the same object, minus the 'string-translatable' property. */
+
+  if (STRINGP (string)) {
+#ifdef DEBUG_XEMACS
+    stderr_out ("\nFgettext (%s) called.\n", string_data (XSTRING (string)));
+#endif
+    return build_string (gettext ((char *) string_data (XSTRING (string))));
+  } else {
+    return string;
+  }
+#else
+  return string;
+#endif
+}
+
+#ifdef I18N3
+
+/* #### add the function `force-gettext', perhaps in Lisp.  This
+   ignores the `string-translatable' property and simply calls gettext()
+   on the string.  Add the functions `set-string-translatable' and
+   `set-stream-translating'. */
+
+#endif
+
+DEFUN ("dgettext", Fdgettext, Sdgettext, 2, 2, 0 /*
+Look up STRING in the specified message domain and return its translation.
+This function does nothing if I18N3 was not enabled when Emacs was compiled.
+*/ )
+  (domain, string)
+     Lisp_Object domain, string;
+{
+  CHECK_STRING (domain);
+  CHECK_STRING (string);
+#ifdef I18N3
+  return build_string (dgettext ((char *) string_data (XSTRING (domain)),
+				 (char *) string_data (XSTRING (string))));
+#else
+  return string;
+#endif
+}
+
+DEFUN ("bind-text-domain", Fbind_text_domain, Sbind_text_domain, 2, 2, 0 /*
+Associate a pathname with a message domain.
+Here's how the path to message files is constructed under SunOS 5.0:
+  {pathname}/{LANG}/LC_MESSAGES/{domain}.mo
+This function does nothing if I18N3 was not enabled when Emacs was compiled.
+*/ )
+  (domain, pathname)
+     Lisp_Object domain, pathname;
+{
+  CHECK_STRING (domain);
+  CHECK_STRING (pathname);
+#ifdef I18N3
+  return build_string (bindtextdomain ((char *) string_data (XSTRING (domain)),
+				       (char *) string_data (XSTRING (pathname))));
+#else
+  return Qnil;
+#endif
+}
+
+extern int load_in_progress;
+
+DEFUN ("set-domain", Fset_domain, Sset_domain, 1, 1, 0 /*
+Specify the domain used for translating messages in this source file.
+The domain declaration may only appear at top-level, and should preceed
+all function and variable definitions.
+
+The presence of this declaration in a compiled file effectively sets the
+domain of all functions and variables which are defined in that file.
+Bug: it has no effect on source (.el) files, only compiled (.elc) files.
+*/ )
+     (domain_name)
+     Lisp_Object domain_name;
+{
+  CHECK_STRING (domain_name);
+  if (load_in_progress)
+    {
+#ifdef I18N3
+      Vfile_domain = Fpurecopy (domain_name);
+      return Vfile_domain;
+#else
+      return (domain_name);
+#endif
+    }
+  else
+    return Qnil;
+}
+
+
+/************************************************************************/
+/*                            initialization                            */
+/************************************************************************/
+
+void
+init_intl_very_early (void)
+{
+#if defined (I18N2) || defined (I18N3) || defined (I18N4)
+  setlocale (LC_ALL, "");
+#endif
+
+#ifdef I18N3
+  textdomain ("emacs");
+#endif
+}
+
+void
+syms_of_intl (void)
+{
+  defsymbol (&Qdomain, "domain");
+
+  /* defer-gettext is defined as a symbol because when it is used in menu
+     specification strings, it is not evaluated as a function by
+     menu_item_descriptor_to_widget_value(). */
+  defsymbol (&Qdefer_gettext, "defer-gettext");
+
+  defsubr (&Signore_defer_gettext);
+  defsubr (&Sgettext);
+  defsubr (&Sdgettext);
+  defsubr (&Sbind_text_domain);
+  defsubr (&Sset_domain);
+}
+
+void
+vars_of_intl (void)
+{
+#ifdef I18N2
+  Fprovide (intern ("i18n2"));
+#endif
+#ifdef I18N3
+  Fprovide (intern ("i18n3"));
+#endif
+}