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Jim Blandy 1992-01-28 17:22:57 +00:00
parent 6bbbd9b0ee
commit 284f4730f4
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/* Declarations useful when processing input.
Copyright (C) 1985, 1986, 1987 Free Software Foundation, Inc.
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 1, 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; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Total number of times read_char has returned. */
extern int num_input_chars;
/* Nonzero means polling for input is temporarily suppresed. */
extern int poll_suppress_count;
/* Keymap mapping ASCII function key sequences onto their preferred forms.
Initialized by the terminal-specific lisp files. */
extern Lisp_Object Vfunction_key_map;
/* Macros for dealing with lispy events. */
/* True iff EVENT has data fields describing it (i.e. a mouse click). */
#define EVENT_HAS_PARAMETERS(event) \
(XTYPE (event) == Lisp_Cons && Flength (event) == 5)
/* Access the components of composite events. */
#define EVENT_HEAD(event) (Fnth (0, (event)))
#define EVENT_WINDOW(event) (Fnth (1, (event)))
#define EVENT_BUFFER_POSN(event) (Fnth (2, (event)))
#define EVENT_SCROLLBAR_BUTTON EVENT_BUFFER_POSN
#define EVENT_WINDOW_POSN(event) (Fnth (3, (event)))
#define EVENT_TIMESTAMP(event) (Fnth (4, (event)))
/* Some of the event heads. */
extern Lisp_Object Qvscrollbar_part, Qvslider_part;
extern Lisp_Object Qvthumbup_part, Qvthumbdown_part;
extern Lisp_Object Qhscrollbar_part, Qhslider_part;
extern Lisp_Object Qhthumbleft_part, Qhthumbright_part;
/* Properties on event heads. */
extern Lisp_Object Qevent_kind, Qevent_unmodified;
/* Getting an unmodified version of an event head. */
#define EVENT_HEAD_UNMODIFIED(event_head) \
(Fget ((event_head), Qevent_unmodified))
/* The values of Qevent_kind properties. */
extern Lisp_Object Qfunction_key, Qmouse_click, Qmouse_movement;
extern Lisp_Object Qscrollbar_click;
/* Getting the kind of an event head. */
#define EVENT_HEAD_KIND(event_head) \
(Fget ((event_head), Qevent_kind))
/* Symbols to use for non-text mouse positions. */
extern Lisp_Object Qmode_line, Qvertical_split;