1 /* Generic GUI code. (menubars, scrollbars, toolbars, dialogs)
2 Copyright (C) 1995 Board of Trustees, University of Illinois.
3 Copyright (C) 1995, 1996 Ben Wing.
4 Copyright (C) 1995 Sun Microsystems, Inc.
6 This file is part of XEmacs.
8 XEmacs is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by the
10 Free Software Foundation; either version 2, or (at your option) any
13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with XEmacs; see the file COPYING. If not, write to
20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
23 /* Synched up with: Not in FSF. */
25 /* Written by kkm on 12/24/97 */
27 #ifndef _XEMACS_GUI_H_
28 #define _XEMACS_GUI_H_
30 int separator_string_p (CONST char *s);
31 void get_gui_callback (Lisp_Object, Lisp_Object *, Lisp_Object *);
33 extern int popup_up_p;
35 /* This structure describes gui button,
36 menu item or submenu properties */
39 Lisp_Object name; /* String */
40 Lisp_Object callback; /* Symbol or form */
41 Lisp_Object suffix; /* String */
42 Lisp_Object active; /* Form */
43 Lisp_Object included; /* Form */
44 Lisp_Object config; /* Anything EQable */
45 Lisp_Object filter; /* Form */
46 Lisp_Object style; /* Symbol */
47 Lisp_Object selected; /* Form */
48 Lisp_Object keys; /* String */
50 #define GUI_ITEM_LAST_GCPROED keys
51 #define GUI_ITEM_GCPRO_COUNT \
52 (slot_offset(struct gui_item, GUI_ITEM_LAST_GCPROED) / sizeof(Lisp_Object) + 1)
55 * gui_item is a struct containing a bunch of Lisp_Object
56 * members. We need to GC-protect all the member slots.
57 * Rather than build a long chain of individual gcpro structs
58 * that protect the slots individually, we protect all the
59 * member slots by pretending the struct is an array. ANSI C
60 * requires this hack to work, ugly though it is.
62 #define GCPRO_GUI_ITEM(pgui_item) \
64 Lisp_Object *gui_item_array = (Lisp_Object *) pgui_item; \
65 GCPRO1 (gui_item_array[0]); \
66 gcpro1.nvars = GUI_ITEM_GCPRO_COUNT; \
69 extern Lisp_Object Q_accelerator, Q_active, Q_config, Q_filter, Q_included;
70 extern Lisp_Object Q_keys, Q_selected, Q_suffix, Qradio, Qtoggle;
71 extern Lisp_Object Q_key_sequence, Q_label;
73 void gui_item_init (struct gui_item *pgui_item);
74 void gui_item_add_keyval_pair (struct gui_item *pgui_item,
75 Lisp_Object key, Lisp_Object val);
76 void gui_parse_item_keywords (Lisp_Object item, struct gui_item *pgui_item);
77 int gui_item_active_p (CONST struct gui_item *pgui_item);
78 int gui_item_selected_p (CONST struct gui_item *pgui_item);
79 int gui_item_included_p (CONST struct gui_item *pgui_item, Lisp_Object into);
80 int gui_item_hash (Lisp_Object, struct gui_item*, int);
81 Lisp_Object mark_gui_item (struct gui_item* p, void (*markobj) (Lisp_Object));
82 unsigned int gui_item_display_flush_left (CONST struct gui_item *pgui_item,
83 char* buf, Bytecount buf_len);
84 unsigned int gui_item_display_flush_right (CONST struct gui_item *pgui_item,
85 char* buf, Bytecount buf_len);
87 /* this is mswindows biased but reasonably safe I think */
88 #define GUI_ITEM_ID_SLOTS 8
89 #define GUI_ITEM_ID_MIN(s) (s * 0x2000)
90 #define GUI_ITEM_ID_MAX(s) (0x1FFF + GUI_ITEM_ID_MIN (s))
91 #define GUI_ITEM_ID_BITS(x,s) (((x) & 0x1FFF) + GUI_ITEM_ID_MIN (s))
93 #endif /* _XEMACS_GUI_H_ */