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[bpt/emacs.git] / src / commands.h
1 /* Definitions needed by most editing commands.
2 Copyright (C) 1985, 1994 Free Software Foundation, Inc.
3
4 This file is part of GNU Emacs.
5
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 1, or (at your option)
9 any later version.
10
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.
15
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
19
20
21 #define Ctl(c) ((c)&037)
22
23 /* Define the names of keymaps, just so people can refer to them in
24 calls to initial_define_key. These should *not* be used after
25 initialization; use-global-map doesn't affect these; it sets
26 current_global_map instead. */
27 extern Lisp_Object global_map;
28 extern Lisp_Object meta_map;
29 extern Lisp_Object control_x_map;
30
31 extern Lisp_Object Vminibuffer_local_map;
32
33 extern Lisp_Object Vminibuffer_local_ns_map;
34
35 /* keymap used for minibuffers when doing completion */
36 extern Lisp_Object Vminibuffer_local_completion_map;
37
38 /* keymap used for minibuffers when doing completion and require a match */
39 extern Lisp_Object Vminibuffer_local_must_match_map;
40
41 /* Last character of last key sequence. */
42 extern Lisp_Object last_command_char;
43
44 /* Last input character read as a command, not counting menus
45 reached by the mouse. */
46 extern Lisp_Object last_nonmenu_event;
47
48 /* List of command events to be re-read, or Qnil. */
49 extern Lisp_Object Vunread_command_events;
50
51 /* Last command executed by the editor command loop, not counting
52 commands that set the prefix argument. */
53
54 extern Lisp_Object last_command;
55
56 /* The command being executed by the command loop.
57 Commands may set this, and the value set will be copied into last_command
58 instead of the actual command. */
59 extern Lisp_Object this_command;
60
61 /* If not Qnil, this is a switch-frame event which we decided to put
62 off until the end of a key sequence. This should be read as the
63 next command input, after any Vunread_command_events.
64
65 read_key_sequence uses this to delay switch-frame events until the
66 end of the key sequence; Fread_char uses it to put off switch-frame
67 events until a non-ASCII event is acceptable as input. */
68 extern Lisp_Object unread_switch_frame;
69
70 /* Previous command symbol found here for comparison */
71 extern Lisp_Object last_command;
72
73 /* Previous value of point */
74 extern int last_point_position;
75
76 /* Nonzero means ^G can quit instantly */
77 extern int immediate_quit;
78
79 extern Lisp_Object Vexecuting_macro;
80
81 /* Nonzero if input is coming from the keyboard */
82
83 #define INTERACTIVE (NILP (Vexecuting_macro) && !noninteractive)
84
85 /* Set this nonzero to force reconsideration of mode line. */
86
87 extern int update_mode_lines;
88
89 /* Nonzero means reading single-character input with prompt
90 so put cursor on minibuffer after the prompt. */
91
92 extern int cursor_in_echo_area;