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/* Functions to manipulate menus.
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   Copyright (C) 2008-2016 Free Software Foundation, Inc.
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This file is part of GNU Emacs.

GNU Emacs 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 3 of the License, or
(at your option) any later version.

GNU Emacs 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 GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */

#ifndef MENU_H
#define MENU_H

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#include "../lwlib/lwlib-widget.h"
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/* Bit fields used by terminal-specific menu_show_hook.  */

enum {
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  MENU_KEYMAPS = 0x1,
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  MENU_FOR_CLICK = 0x2,
  MENU_KBD_NAVIGATION = 0x4
};

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extern void init_menu_items (void);
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extern void finish_menu_items (void) ATTRIBUTE_CONST;
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extern void discard_menu_items (void);
extern void save_menu_items (void);
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extern bool parse_single_submenu (Lisp_Object, Lisp_Object, Lisp_Object);
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extern void list_of_panes (Lisp_Object);
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#if defined (USE_X_TOOLKIT) || defined (USE_GTK) || defined (HAVE_NTGUI) \
  || defined (HAVE_NS)
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extern void free_menubar_widget_value_tree (widget_value *);
extern void update_submenu_strings (widget_value *);
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extern void find_and_call_menu_selection (struct frame *, int,
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                                          Lisp_Object, void *);
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extern widget_value *make_widget_value (const char *, char *, bool, Lisp_Object);
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extern widget_value *digest_single_submenu (int, int, bool);
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#endif

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#if defined (HAVE_X_WINDOWS) || defined (MSDOS)
extern Lisp_Object x_menu_show (struct frame *, int, int, int,
				Lisp_Object, const char **);
#endif
#ifdef HAVE_NTGUI
extern Lisp_Object w32_menu_show (struct frame *, int, int, int,
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				  Lisp_Object, const char **);
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#endif
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#ifdef HAVE_NS
extern Lisp_Object ns_menu_show (struct frame *, int, int, int,
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				 Lisp_Object, const char **);
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#endif
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extern Lisp_Object tty_menu_show (struct frame *, int, int, int,
				  Lisp_Object, const char **);
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extern ptrdiff_t menu_item_width (const unsigned char *);
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#endif /* MENU_H */