Work around "Attempt to modify read-only object"
[emacs.git] / src / menu.h
blobde586a5e10180b32608b20b9350d4f7beec33598
1 /* Functions to manipulate menus.
2 Copyright (C) 2008-2015 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
19 #ifndef MENU_H
20 #define MENU_H
22 #include "systime.h" /* for Time */
23 #include "../lwlib/lwlib-widget.h"
25 /* Bit fields used by terminal-specific menu_show_hook. */
27 enum {
28 MENU_KEYMAPS = 0x1,
29 MENU_FOR_CLICK = 0x2,
30 MENU_KBD_NAVIGATION = 0x4
33 extern void init_menu_items (void);
34 extern void finish_menu_items (void) ATTRIBUTE_CONST;
35 extern void discard_menu_items (void);
36 extern void save_menu_items (void);
37 extern bool parse_single_submenu (Lisp_Object, Lisp_Object, Lisp_Object);
38 extern void list_of_panes (Lisp_Object);
39 #if defined (USE_X_TOOLKIT) || defined (USE_GTK) || defined (HAVE_NTGUI) \
40 || defined (HAVE_NS)
41 extern void free_menubar_widget_value_tree (widget_value *);
42 extern void update_submenu_strings (widget_value *);
43 extern void find_and_call_menu_selection (struct frame *, int,
44 Lisp_Object, void *);
45 extern widget_value *make_widget_value (const char *, char *, bool, Lisp_Object);
46 extern widget_value *digest_single_submenu (int, int, bool);
47 #endif
49 #if defined (HAVE_X_WINDOWS) || defined (MSDOS)
50 extern Lisp_Object x_menu_show (struct frame *, int, int, int,
51 Lisp_Object, const char **);
52 #endif
53 #ifdef HAVE_NTGUI
54 extern Lisp_Object w32_menu_show (struct frame *, int, int, int,
55 Lisp_Object, const char **);
56 #endif
57 #ifdef HAVE_NS
58 extern Lisp_Object ns_menu_show (struct frame *, int, int, int,
59 Lisp_Object, const char **);
60 #endif
61 extern Lisp_Object tty_menu_show (struct frame *, int, int, int,
62 Lisp_Object, const char **);
63 extern ptrdiff_t menu_item_width (const unsigned char *);
64 #endif /* MENU_H */