(Vx_keysym_table): New.

(syms_of_xterm): Initialize it.
(XTread_socket): Use it.
From head: Eliminate incorrect optimization that tried to avoid
decoding the output of X*LookupString.
(x_get_font_repertory): Delete charset declaration.

1 files changed, 25 insertions, 15 deletions

diff --git a/src/xterm.c b/src/xterm.c
index 07d14959f7f..2c9ae41764b 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -385,7 +385,7 @@ extern Lisp_Object Vcommand_line_args, Vsystem_name;
 
 extern Lisp_Object Vx_no_window_manager;
 
-extern Lisp_Object Qface, Qmouse_face;
+extern Lisp_Object Qface, Qmouse_face, Qeql;
 
 extern int errno;
 
@@ -396,6 +396,7 @@ extern int extra_keyboard_modifiers;
 /* The keysyms to use for the various modifiers.  */
 
 Lisp_Object Vx_alt_keysym, Vx_hyper_keysym, Vx_meta_keysym, Vx_super_keysym;
+Lisp_Object Vx_keysym_table;
 static Lisp_Object Qalt, Qhyper, Qmeta, Qsuper, Qmodifier_value;
 
 static Lisp_Object Qvendor_specific_keysyms;
@@ -10641,11 +10642,25 @@ XTread_socket (sd, bufp, numchars, expected)
 #endif /* not HAVE_X11R5 */
                                 ))
                         {
+                          Lisp_Object c;
+
                           if (temp_index == sizeof temp_buffer / sizeof (short))
                             temp_index = 0;
                           temp_buffer[temp_index++] = keysym;
-                          bufp->kind = non_ascii_keystroke;
-                          bufp->code = keysym;
+                          if (! EQ ((c = Fgethash (make_number (keysym),
+                                                   Vx_keysym_table, Qnil)),
+                                    Qnil))
+                            {
+                              bufp->kind = (ASCII_CHAR_P (c)
+                                            ? ascii_keystroke
+                                            : multibyte_char_keystroke);
+                              bufp->code = c;
+                            }
+                          else
+                            {
+                              bufp->kind = non_ascii_keystroke;
+                              bufp->code = keysym;
+                            }
                           XSETFRAME (bufp->frame_or_window, f);
                           bufp->arg = Qnil;
                           bufp->modifiers
@@ -10670,18 +10685,8 @@ XTread_socket (sd, bufp, numchars, expected)
                               temp_buffer[temp_index++] = copy_bufptr[i];
                             }
 
-                          if (/* If the event is not from XIM, */
-                              event.xkey.keycode != 0
-                              /* or the current locale doesn't request
-                                 decoding of the input data, ... */
-                              || ! CODING_REQUIRE_DECODING (&coding))
-                            {
-                              /* ... we can use the input data as is.  */
-                              nchars = nbytes;
-                            }
-                          else
                             { 
-                              /* We have to decode the input data.  */
+                              /* Decode the input data.  */
                               coding.destination
                                 = (unsigned char *) malloc (nbytes);
                               if (! coding.destination)
@@ -14490,7 +14495,6 @@ x_get_font_repertory (f, font_info)
      struct font_info *font_info;
 {
   XFontStruct *font = (XFontStruct *) font_info->font;
-  struct charset *charset = CHARSET_FROM_ID (font_info->charset);
   Lisp_Object table;
   int min_byte1, max_byte1, min_byte2, max_byte2;
 
@@ -15295,6 +15299,12 @@ For example, `super' means use the Super_L and Super_R keysyms.  The
 default is nil, which is the same as `super'.  */);
   Vx_super_keysym = Qnil;
 
+  DEFVAR_LISP ("x-keysym-table", &Vx_keysym_table,
+    doc: /* Hash table of character codes indexed by X keysym codes.  */);
+  Vx_keysym_table = make_hash_table (Qeql, make_number (800),
+                                     make_number (DEFAULT_REHASH_SIZE),
+                                     make_number (DEFAULT_REHASH_THRESHOLD),
+                                     Qnil, Qnil, Qnil);
 }
 
 #endif /* HAVE_X_WINDOWS */