Commit 00f7c5ed authored by Stefan Monnier's avatar Stefan Monnier
Browse files

* subr.el (keymap-canonicalize): New function.

* mouse.el (mouse-menu-non-singleton): Use it.
(mouse-major-mode-menu): Remove hack made unnecessary.
* keymap.c (Qkeymap_canonicalize): New var.
(Fmap_keymap_internal): New fun.
(describe_map): Use keymap-canonicalize.
parent 4591d6cb
2008-04-04 Stefan Monnier <>
* subr.el (keymap-canonicalize): New function.
* mouse.el (mouse-menu-non-singleton): Use it.
(mouse-major-mode-menu): Remove hack made unnecessary.
* simple.el (set-fill-column): Prompt rather than error by default.
2008-04-04 Andreas Schwab <>
......@@ -201,19 +201,7 @@ Default to the Edit menu if the major mode doesn't define a menu."
(if ancestor
;; Make our menu inherit from the desired keymap which we want
;; to display as the menu now.
;; Sometimes keymaps contain duplicate menu code, leading to
;; duplicates in the popped-up menu. Avoid this by simply
;; taking the first of any identically-named menus.
(set-keymap-parent newmap
(dolist (e ancestor)
(unless (and (listp e)
(assoc (car e) uniq))
(setq uniq (append uniq (list e)))))
(set-keymap-parent newmap ancestor))
(popup-menu newmap event prefix)))
......@@ -225,7 +213,7 @@ Otherwise return the whole menu."
(let (submap)
(lambda (k v) (setq submap (if submap t (cons k v))))
(keymap-canonicalize menubar))
(if (eq submap t)
(lookup-key menubar (vector (car submap)))))))
......@@ -246,7 +234,6 @@ not it is actually displayed."
;; display non-empty menu pane names.
(lambda (menu)
(let* ((minor-mode (car menu))
(menu (cdr menu))
......@@ -260,7 +247,7 @@ not it is actually displayed."
" Menu")
(cdr menu)))))
(minor-mode-key-binding [menu-bar])))
(local-title-or-map (and local-menu (cadr local-menu)))
(global-title-or-map (cadr global-menu)))
......@@ -550,6 +550,33 @@ Don't call this function; it is for internal use only."
(dolist (p list)
(funcall function (car p) (cdr p)))))
(defun keymap-canonicalize (map)
"Return an equivalent keymap, without inheritance."
(let ((bindings ())
(ranges ()))
(while (keymapp map)
(setq map (map-keymap-internal
(lambda (key item)
(if (consp key)
;; Treat char-ranges specially.
(push (cons key item) ranges)
(push (cons key item) bindings)))
(setq map (funcall (if ranges 'make-keymap 'make-sparse-keymap)
(keymap-prompt map)))
(dolist (binding ranges)
;; Treat char-ranges specially.
(define-key map (car binding) (cdr binding)))
(dolist (binding (prog1 bindings (setq bindings ())))
(let* ((key (car binding))
(item (cdr binding))
(oldbind (assq key bindings)))
;; Newer bindings override older.
(if oldbind (setq bindings (delq oldbind bindings)))
(when item ;nil bindings just hide older ones.
(push binding bindings))))
(nconc map bindings)))
(put 'keyboard-translate-table 'char-table-extra-slots 0)
(defun keyboard-translate (from to)
2008-04-04 Stefan Monnier <>
* keymap.c (Qkeymap_canonicalize): New var.
(Fmap_keymap_internal): New fun.
(describe_map): Use keymap-canonicalize.
* undo.c (last_boundary_buffer, last_boundary_position): New vars.
(Fundo_boundary): Set them.
(syms_of_undo): Initialize them.
......@@ -731,6 +731,26 @@ map_keymap (map, fun, args, data, autoload)
Lisp_Object Qkeymap_canonicalize;
/* Same as map_keymap, but does it right, properly eliminating duplicate
bindings due to inheritance. */
map_keymap_canonical (map, fun, args, data)
map_keymap_function_t fun;
Lisp_Object map, args;
void *data;
struct gcpro gcpro1;
GCPRO1 (args);
/* map_keymap_canonical may be used from redisplay (e.g. when building menus)
so be careful to ignore errors and to inhibit redisplay. */
map = safe_call1 (Qkeymap_canonicalize, map);
/* No need to use `map_keymap' here because canonical map has no parent. */
map_keymap_internal (map, fun, args, data);
DEFUN ("map-keymap-internal", Fmap_keymap_internal, Smap_keymap_internal, 2, 2, 0,
doc: /* Call FUNCTION once for each event binding in KEYMAP.
FUNCTION is called with two arguments: the event that is bound, and
......@@ -3407,14 +3427,16 @@ describe_map (map, prefix, elt_describer, partial, shadow,
kludge = Fmake_vector (make_number (1), Qnil);
definition = Qnil;
GCPRO3 (prefix, definition, kludge);
map = call1 (Qkeymap_canonicalize, map);
for (tail = map; CONSP (tail); tail = XCDR (tail))
vect = ((struct describe_map_elt *)
alloca (sizeof (struct describe_map_elt) * length_needed));
GCPRO3 (prefix, definition, kludge);
for (tail = map; CONSP (tail); tail = XCDR (tail))
......@@ -3850,6 +3872,9 @@ syms_of_keymap ()
apropos_predicate = Qnil;
apropos_accumulate = Qnil;
Qkeymap_canonicalize = intern ("keymap-canonicalize");
staticpro (&Qkeymap_canonicalize);
/* Now we are ready to set up this property, so we can
create char tables. */
Fput (Qkeymap, Qchar_table_extra_slots, make_number (0));
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