/* Declarations useful when processing input.
- Copyright (C) 1985, 1986, 1987, 1992 Free Software Foundation, Inc.
+ Copyright (C) 1985, 1986, 1987, 1993 Free Software Foundation, Inc.
This file is part of GNU Emacs.
/* Total number of times read_char has returned. */
extern int num_input_chars;
-/* Nonzero means polling for input is temporarily suppresed. */
+/* Total number of times read_char has returned, outside of macros. */
+extern int num_nonmacro_input_chars;
+
+/* Nonzero means polling for input is temporarily suppressed. */
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;
+/* Vector holding the key sequence that invoked the current command.
+ It is reused for each command, and it may be longer than the current
+ sequence; this_command_key_count indicates how many elements
+ actually mean something. */
+extern Lisp_Object this_command_keys;
+extern int this_command_key_count;
+
+#ifdef MULTI_FRAME
+/* The frame in which the last input event occurred, or Qmacro if the
+ last event came from a macro. We use this to determine when to
+ generate switch-frame events. This may be cleared by functions
+ like Fselect_frame, to make sure that a switch-frame event is
+ generated by the next character. */
+extern Lisp_Object internal_last_event_frame;
+#endif
+
\f
/* 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)
+ (XTYPE (event) == Lisp_Cons)
+
+/* Extract the head from an event.
+ This works on composite and simple events. */
+#define EVENT_HEAD(event) \
+ (EVENT_HAS_PARAMETERS (event) ? XCONS (event)->car : (event))
-/* 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)))
+/* Extract the starting and ending positions from a composite event. */
+#define EVENT_START(event) (XCONS (XCONS (event)->cdr)->car)
+#define EVENT_END(event) (XCONS (XCONS (XCONS (event)->cdr)->cdr)->car)
+
+/* Extract the click count from a multi-click event. */
+#define EVENT_CLICK_COUNT(event) (Fnth ((event), make_number (2)))
+
+/* Extract the fields of a position. */
+#define POSN_WINDOW(posn) (XCONS (posn)->car)
+#define POSN_BUFFER_POSN(posn) (XCONS (XCONS (posn)->cdr)->car)
+#define POSN_WINDOW_POSN(posn) (XCONS (XCONS (XCONS (posn)->cdr)->cdr)->car)
+#define POSN_TIMESTAMP(posn) \
+ (XCONS (XCONS (XCONS (XCONS (posn)->cdr)->cdr)->cdr)->car)
+#define POSN_SCROLLBAR_PART(posn) (Fnth ((posn), make_number (4)))
/* 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;
+extern Lisp_Object Qswitch_frame;
/* Properties on event heads. */
-extern Lisp_Object Qevent_kind, Qevent_unmodified;
+extern Lisp_Object Qevent_kind, Qevent_symbol_elements;
/* Getting an unmodified version of an event head. */
#define EVENT_HEAD_UNMODIFIED(event_head) \
- (Fget ((event_head), Qevent_unmodified))
+ (Fcar (Fget ((event_head), Qevent_symbol_elements)))
/* The values of Qevent_kind properties. */
extern Lisp_Object Qfunction_key, Qmouse_click, Qmouse_movement;
-extern Lisp_Object Qscrollbar_click;
+extern Lisp_Object Qscroll_bar_movement;
/* Getting the kind of an event head. */
#define EVENT_HEAD_KIND(event_head) \
/* Symbols to use for non-text mouse positions. */
extern Lisp_Object Qmode_line, Qvertical_line;
+extern Lisp_Object get_keymap_1 ();
+extern Lisp_Object Fkeymapp ();
+extern Lisp_Object reorder_modifiers ();
+extern Lisp_Object read_char ();
+/* User-supplied string to translate input characters through. */
+extern Lisp_Object Vkeyboard_translate_table;
+