/* Keyboard and mouse input; editor command loop.
-Copyright (C) 1985-1989, 1993-1997, 1999-2012 Free Software Foundation, Inc.
+Copyright (C) 1985-1989, 1993-1997, 1999-2013 Free Software Foundation,
+Inc.
This file is part of GNU Emacs.
static Lisp_Object recursive_edit_unwind (Lisp_Object buffer);
static Lisp_Object command_loop (void);
-static Lisp_Object Qextended_command_history;
+static Lisp_Object Qcommand_execute;
EMACS_TIME timer_check (void);
static void echo_now (void);
static bool get_input_pending (int);
static bool readable_events (int);
-static Lisp_Object read_char_x_menu_prompt (ptrdiff_t, Lisp_Object *,
+static Lisp_Object read_char_x_menu_prompt (Lisp_Object,
Lisp_Object, bool *);
-static Lisp_Object read_char_minibuf_menu_prompt (int, ptrdiff_t,
- Lisp_Object *);
+static Lisp_Object read_char_minibuf_menu_prompt (int, Lisp_Object);
static Lisp_Object make_lispy_event (struct input_event *);
static Lisp_Object make_lispy_movement (struct frame *, Lisp_Object,
enum scroll_bar_part,
}
\f
-/* Add C to the echo string, if echoing is going on.
- C can be a character, which is printed prettily ("M-C-x" and all that
- jazz), or a symbol, whose name is printed. */
+/* Add C to the echo string, without echoing it immediately. C can be
+ a character, which is pretty-printed, or a symbol, whose name is
+ printed. */
static void
-echo_char (Lisp_Object c)
+echo_add_key (Lisp_Object c)
{
- if (current_kboard->immediate_echo)
- {
- int size = KEY_DESCRIPTION_SIZE + 100;
- char *buffer = alloca (size);
- char *ptr = buffer;
- Lisp_Object echo_string;
+ int size = KEY_DESCRIPTION_SIZE + 100;
+ char *buffer = alloca (size);
+ char *ptr = buffer;
+ Lisp_Object echo_string;
- echo_string = KVAR (current_kboard, echo_string);
+ echo_string = KVAR (current_kboard, echo_string);
- /* If someone has passed us a composite event, use its head symbol. */
- c = EVENT_HEAD (c);
+ /* If someone has passed us a composite event, use its head symbol. */
+ c = EVENT_HEAD (c);
- if (INTEGERP (c))
+ if (INTEGERP (c))
+ ptr = push_key_description (XINT (c), ptr);
+ else if (SYMBOLP (c))
+ {
+ Lisp_Object name = SYMBOL_NAME (c);
+ int nbytes = SBYTES (name);
+
+ if (size - (ptr - buffer) < nbytes)
{
- ptr = push_key_description (XINT (c), ptr);
+ int offset = ptr - buffer;
+ size = max (2 * size, size + nbytes);
+ buffer = alloca (size);
+ ptr = buffer + offset;
}
- else if (SYMBOLP (c))
- {
- Lisp_Object name = SYMBOL_NAME (c);
- int nbytes = SBYTES (name);
- if (size - (ptr - buffer) < nbytes)
- {
- int offset = ptr - buffer;
- size = max (2 * size, size + nbytes);
- buffer = alloca (size);
- ptr = buffer + offset;
- }
+ ptr += copy_text (SDATA (name), (unsigned char *) ptr, nbytes,
+ STRING_MULTIBYTE (name), 1);
+ }
- ptr += copy_text (SDATA (name), (unsigned char *) ptr, nbytes,
- STRING_MULTIBYTE (name), 1);
- }
+ if ((NILP (echo_string) || SCHARS (echo_string) == 0)
+ && help_char_p (c))
+ {
+ const char *text = " (Type ? for further options)";
+ int len = strlen (text);
- if ((NILP (echo_string) || SCHARS (echo_string) == 0)
- && help_char_p (c))
+ if (size - (ptr - buffer) < len)
{
- const char *text = " (Type ? for further options)";
- int len = strlen (text);
-
- if (size - (ptr - buffer) < len)
- {
- int offset = ptr - buffer;
- size += len;
- buffer = alloca (size);
- ptr = buffer + offset;
- }
-
- memcpy (ptr, text, len);
- ptr += len;
+ int offset = ptr - buffer;
+ size += len;
+ buffer = alloca (size);
+ ptr = buffer + offset;
}
- /* Replace a dash from echo_dash with a space, otherwise
- add a space at the end as a separator between keys. */
- if (STRINGP (echo_string)
- && SCHARS (echo_string) > 1)
- {
- Lisp_Object last_char, prev_char, idx;
+ memcpy (ptr, text, len);
+ ptr += len;
+ }
+
+ /* Replace a dash from echo_dash with a space, otherwise add a space
+ at the end as a separator between keys. */
+ if (STRINGP (echo_string) && SCHARS (echo_string) > 1)
+ {
+ Lisp_Object last_char, prev_char, idx;
- idx = make_number (SCHARS (echo_string) - 2);
- prev_char = Faref (echo_string, idx);
+ idx = make_number (SCHARS (echo_string) - 2);
+ prev_char = Faref (echo_string, idx);
- idx = make_number (SCHARS (echo_string) - 1);
- last_char = Faref (echo_string, idx);
+ idx = make_number (SCHARS (echo_string) - 1);
+ last_char = Faref (echo_string, idx);
- /* We test PREV_CHAR to make sure this isn't the echoing
- of a minus-sign. */
- if (XINT (last_char) == '-' && XINT (prev_char) != ' ')
- Faset (echo_string, idx, make_number (' '));
- else
- echo_string = concat2 (echo_string, build_string (" "));
- }
- else if (STRINGP (echo_string))
+ /* We test PREV_CHAR to make sure this isn't the echoing of a
+ minus-sign. */
+ if (XINT (last_char) == '-' && XINT (prev_char) != ' ')
+ Faset (echo_string, idx, make_number (' '));
+ else
echo_string = concat2 (echo_string, build_string (" "));
+ }
+ else if (STRINGP (echo_string) && SCHARS (echo_string) > 0)
+ echo_string = concat2 (echo_string, build_string (" "));
+
+ kset_echo_string
+ (current_kboard,
+ concat2 (echo_string, make_string (buffer, ptr - buffer)));
+}
- kset_echo_string
- (current_kboard,
- concat2 (echo_string, make_string (buffer, ptr - buffer)));
+/* Add C to the echo string, if echoing is going on. C can be a
+ character or a symbol. */
+static void
+echo_char (Lisp_Object c)
+{
+ if (current_kboard->immediate_echo)
+ {
+ echo_add_key (c);
echo_now ();
}
}
/* Temporarily add a dash to the end of the echo string if it's not
- empty, so that it serves as a mini-prompt for the very next character. */
+ empty, so that it serves as a mini-prompt for the very next
+ character. */
static void
echo_dash (void)
}
echoing = 1;
- message3_nolog (KVAR (current_kboard, echo_string),
- SBYTES (KVAR (current_kboard, echo_string)),
- STRING_MULTIBYTE (KVAR (current_kboard, echo_string)));
+ /* FIXME: Use call (Qmessage) so it can be advised (e.g. emacspeak). */
+ message3_nolog (KVAR (current_kboard, echo_string));
echoing = 0;
/* Record in what buffer we echoed, and from which kboard. */
static Lisp_Object
top_level_1 (Lisp_Object ignore)
{
- /* On entry to the outer level, run the startup file */
+ /* On entry to the outer level, run the startup file. */
if (!NILP (Vtop_level))
internal_condition_case (top_level_2, Qerror, cmd_error);
else if (!NILP (Vpurify_flag))
- message ("Bare impure Emacs (standard Lisp code not loaded)");
+ message1 ("Bare impure Emacs (standard Lisp code not loaded)");
else
- message ("Bare Emacs (standard Lisp code not loaded)");
+ message1 ("Bare Emacs (standard Lisp code not loaded)");
return Qnil;
}
sit_for (Vminibuffer_message_timeout, 0, 2);
/* Clear the echo area. */
- message2 (0, 0, 0);
+ message1 (0);
safe_run_hooks (Qecho_area_clear_hook);
unbind_to (count, Qnil);
= (EQ (undo, BVAR (current_buffer, undo_list))
? Qnil : BVAR (current_buffer, undo_list));
}
- Fcommand_execute (Vthis_command, Qnil, Qnil, Qnil);
+ call1 (Qcommand_execute, Vthis_command);
#ifdef HAVE_WINDOW_SYSTEM
/* Do not check display_hourglass_p here, because
- Fcommand_execute could change it, but we should cancel
+ `command-execute' could change it, but we should cancel
hourglass cursor anyway.
But don't cancel the hourglass within a macro
just because a command in the macro finishes. */
do { if (polling_stopped_here) start_polling (); \
polling_stopped_here = 0; } while (0)
-/* read a character from the keyboard; call the redisplay if needed */
+/* Read a character from the keyboard; call the redisplay if needed. */
/* commandflag 0 means do not autosave, but do redisplay.
-1 means do not redisplay, but do autosave.
1 means do both. */
-/* The arguments MAPS and NMAPS are for menu prompting.
- MAPS is an array of keymaps; NMAPS is the length of MAPS.
+/* The arguments MAP is for menu prompting. MAP is a keymap.
PREV_EVENT is the previous input event, or nil if we are reading
the first event of a key sequence (or not reading a key sequence).
Value is t if we showed a menu and the user rejected it. */
Lisp_Object
-read_char (int commandflag, ptrdiff_t nmaps, Lisp_Object *maps,
+read_char (int commandflag, Lisp_Object map,
Lisp_Object prev_event,
bool *used_mouse_menu, EMACS_TIME *end_time)
{
goto reread_first;
}
- /* if redisplay was requested */
+ /* If redisplay was requested. */
if (commandflag >= 0)
{
bool echo_current = EQ (echo_message_buffer, echo_area_buffer[0]);
user-visible, such as X selection_request events. */
if (input_pending
|| detect_input_pending_run_timers (0))
- swallow_events (0); /* may clear input_pending */
+ swallow_events (0); /* May clear input_pending. */
/* Redisplay if no pending input. */
while (!input_pending)
menu prompting. If EVENT_HAS_PARAMETERS then we are reading
after a mouse event so don't try a minibuf menu. */
c = Qnil;
- if (nmaps > 0 && INTERACTIVE
+ if (KEYMAPP (map) && INTERACTIVE
&& !NILP (prev_event) && ! EVENT_HAS_PARAMETERS (prev_event)
/* Don't bring up a menu if we already have another event. */
&& NILP (Vunread_command_events)
&& !detect_input_pending_run_timers (0))
{
- c = read_char_minibuf_menu_prompt (commandflag, nmaps, maps);
+ c = read_char_minibuf_menu_prompt (commandflag, map);
if (INTEGERP (c) && XINT (c) == -2)
return c; /* wrong_kboard_jmpbuf */
because the recursive call of read_char in read_char_minibuf_menu_prompt
does not pass on any keymaps. */
- if (nmaps > 0 && INTERACTIVE
+ if (KEYMAPP (map) && INTERACTIVE
&& !NILP (prev_event)
&& EVENT_HAS_PARAMETERS (prev_event)
&& !EQ (XCAR (prev_event), Qmenu_bar)
/* Don't bring up a menu if we already have another event. */
&& NILP (Vunread_command_events))
{
- c = read_char_x_menu_prompt (nmaps, maps, prev_event, used_mouse_menu);
+ c = read_char_x_menu_prompt (map, prev_event, used_mouse_menu);
/* Now that we have read an event, Emacs is not idle. */
if (!end_time)
&& XINT (Vauto_save_timeout) > 0)
{
Lisp_Object tem0;
- EMACS_INT timeout = (delay_level
- * min (XFASTINT (Vauto_save_timeout) / 4,
- MOST_POSITIVE_FIXNUM / delay_level));
+ EMACS_INT timeout = XFASTINT (Vauto_save_timeout);
+
+ timeout = min (timeout, MOST_POSITIVE_FIXNUM / delay_level * 4);
+ timeout = delay_level * timeout / 4;
save_getcjmp (save_jump);
restore_getcjmp (local_getcjmp);
tem0 = sit_for (make_number (timeout), 1, 1);
{
struct buffer *prev_buffer = current_buffer;
last_input_event = c;
- Fcommand_execute (tem, Qnil, Fvector (1, &last_input_event), Qt);
+ call4 (Qcommand_execute, tem, Qnil, Fvector (1, &last_input_event), Qt);
if (CONSP (c) && EQ (XCAR (c), Qselect_window) && !end_time)
/* We stopped being idle for this event; undo that. This
/* If we are not reading a key sequence,
never use the echo area. */
- if (maps == 0)
+ if (!KEYMAPP (map))
{
specbind (Qinput_method_use_echo_area, Qt);
}
last_input_event = c;
num_input_events++;
- /* Process the help character specially if enabled */
+ /* Process the help character specially if enabled. */
if (!NILP (Vhelp_form) && help_char_p (c))
{
ptrdiff_t count = SPECPDL_INDEX ();
cancel_echoing ();
do
{
- c = read_char (0, 0, 0, Qnil, 0, NULL);
+ c = read_char (0, Qnil, Qnil, 0, NULL);
if (EVENT_HAS_PARAMETERS (c)
&& EQ (EVENT_HEAD_KIND (EVENT_HEAD (c)), Qmouse_click))
XSETCAR (help_form_saved_window_configs, Qnil);
}
while (BUFFERP (c));
- /* Remove the help from the frame */
+ /* Remove the help from the frame. */
unbind_to (count, Qnil);
redisplay ();
{
cancel_echoing ();
do
- c = read_char (0, 0, 0, Qnil, 0, NULL);
+ c = read_char (0, Qnil, Qnil, 0, NULL);
while (BUFFERP (c));
}
}
static void
append_tool_bar_item (void)
{
- ptrdiff_t incr =
- (ntool_bar_items
- - (ASIZE (tool_bar_items_vector) - TOOL_BAR_ITEM_NSLOTS));
+ ptrdiff_t incr
+ = (ntool_bar_items
+ - (ASIZE (tool_bar_items_vector) - TOOL_BAR_ITEM_NSLOTS));
/* Enlarge tool_bar_items_vector if necessary. */
if (0 < incr)
\f
-/* Read a character using menus based on maps in the array MAPS.
- NMAPS is the length of MAPS. Return nil if there are no menus in the maps.
+/* Read a character using menus based on the keymap MAP.
+ Return nil if there are no menus in the maps.
Return t if we displayed a menu but the user rejected it.
PREV_EVENT is the previous input event, or nil if we are reading
and do auto-saving in the inner call of read_char. */
static Lisp_Object
-read_char_x_menu_prompt (ptrdiff_t nmaps, Lisp_Object *maps,
+read_char_x_menu_prompt (Lisp_Object map,
Lisp_Object prev_event, bool *used_mouse_menu)
{
-#ifdef HAVE_MENUS
- ptrdiff_t mapno;
-#endif
-
if (used_mouse_menu)
*used_mouse_menu = 0;
- /* Use local over global Menu maps */
+ /* Use local over global Menu maps. */
if (! menu_prompting)
return Qnil;
- /* Optionally disregard all but the global map. */
- if (inhibit_local_menu_bar_menus)
- {
- maps += (nmaps - 1);
- nmaps = 1;
- }
-
#ifdef HAVE_MENUS
/* If we got to this point via a mouse click,
use a real menu for mouse selection. */
&& !EQ (XCAR (prev_event), Qtool_bar))
{
/* Display the menu and get the selection. */
- Lisp_Object *realmaps = alloca (nmaps * sizeof *realmaps);
Lisp_Object value;
- ptrdiff_t nmaps1 = 0;
-
- /* Use the maps that are not nil. */
- for (mapno = 0; mapno < nmaps; mapno++)
- if (!NILP (maps[mapno]))
- realmaps[nmaps1++] = maps[mapno];
- value = Fx_popup_menu (prev_event, Flist (nmaps1, realmaps));
+ value = Fx_popup_menu (prev_event, get_keymap (map, 0, 1));
if (CONSP (value))
{
Lisp_Object tem;
return Qnil ;
}
-/* Buffer in use so far for the minibuf prompts for menu keymaps.
- We make this bigger when necessary, and never free it. */
-static char *read_char_minibuf_menu_text;
-/* Size of that buffer. */
-static ptrdiff_t read_char_minibuf_menu_width;
-
static Lisp_Object
read_char_minibuf_menu_prompt (int commandflag,
- ptrdiff_t nmaps, Lisp_Object *maps)
+ Lisp_Object map)
{
- ptrdiff_t mapno;
register Lisp_Object name;
ptrdiff_t nlength;
/* FIXME: Use the minibuffer's frame width. */
ptrdiff_t idx = -1;
bool nobindings = 1;
Lisp_Object rest, vector;
- char *menu;
+ Lisp_Object prompt_strings = Qnil;
vector = Qnil;
- name = Qnil;
if (! menu_prompting)
return Qnil;
- /* Get the menu name from the first map that has one (a prompt string). */
- for (mapno = 0; mapno < nmaps; mapno++)
- {
- name = Fkeymap_prompt (maps[mapno]);
- if (!NILP (name))
- break;
- }
+ map = get_keymap (map, 0, 1);
+ name = Fkeymap_prompt (map);
/* If we don't have any menus, just read a character normally. */
if (!STRINGP (name))
return Qnil;
- /* Make sure we have a big enough buffer for the menu text. */
- width = max (width, SBYTES (name));
- if (STRING_BYTES_BOUND - 4 < width)
- memory_full (SIZE_MAX);
- if (width + 4 > read_char_minibuf_menu_width)
- {
- read_char_minibuf_menu_text
- = xrealloc (read_char_minibuf_menu_text, width + 4);
- read_char_minibuf_menu_width = width + 4;
- }
- menu = read_char_minibuf_menu_text;
+#define PUSH_C_STR(str, listvar) \
+ listvar = Fcons (make_unibyte_string (str, strlen (str)), listvar)
/* Prompt string always starts with map's prompt, and a space. */
- strcpy (menu, SSDATA (name));
- nlength = SBYTES (name);
- menu[nlength++] = ':';
- menu[nlength++] = ' ';
- menu[nlength] = 0;
+ prompt_strings = Fcons (name, prompt_strings);
+ PUSH_C_STR (": ", prompt_strings);
+ nlength = SCHARS (name) + 2;
- /* Start prompting at start of first map. */
- mapno = 0;
- rest = maps[mapno];
+ rest = map;
/* Present the documented bindings, a line at a time. */
while (1)
{
bool notfirst = 0;
+ Lisp_Object menu_strings = prompt_strings;
ptrdiff_t i = nlength;
Lisp_Object obj;
Lisp_Object orig_defn_macro;
{
Lisp_Object elt;
- /* If reached end of map, start at beginning of next map. */
+ /* FIXME: Use map_keymap to handle new keymap formats. */
+
+ /* At end of map, wrap around if just starting,
+ or end this line if already have something on it. */
if (NILP (rest))
{
- mapno++;
- /* At end of last map, wrap around to first map if just starting,
- or end this line if already have something on it. */
- if (mapno == nmaps)
- {
- mapno = 0;
- if (notfirst || nobindings) break;
- }
- rest = maps[mapno];
+ if (notfirst || nobindings)
+ break;
+ else
+ rest = map;
}
/* Look at the next element of the map. */
/* Punctuate between strings. */
if (notfirst)
{
- strcpy (menu + i, ", ");
+ PUSH_C_STR (", ", menu_strings);
i += 2;
}
notfirst = 1;
{
/* Add as much of string as fits. */
thiswidth = min (SCHARS (desc), width - i);
- memcpy (menu + i, SDATA (desc), thiswidth);
+ menu_strings
+ = Fcons (Fsubstring (desc, make_number (0),
+ make_number (thiswidth)),
+ menu_strings);
i += thiswidth;
- strcpy (menu + i, " = ");
+ PUSH_C_STR (" = ", menu_strings);
i += 3;
}
/* Add as much of string as fits. */
thiswidth = min (SCHARS (s), width - i);
- memcpy (menu + i, SDATA (s), thiswidth);
+ menu_strings
+ = Fcons (Fsubstring (s, make_number (0),
+ make_number (thiswidth)),
+ menu_strings);
i += thiswidth;
- menu[i] = 0;
}
else
{
/* If this element does not fit, end the line now,
and save the element for the next line. */
- strcpy (menu + i, "...");
+ PUSH_C_STR ("...", menu_strings);
break;
}
}
}
/* Prompt with that and read response. */
- message2_nolog (menu, strlen (menu),
- ! NILP (BVAR (current_buffer, enable_multibyte_characters)));
+ message3_nolog (apply1 (intern ("concat"), Fnreverse (menu_strings)));
- /* Make believe its not a keyboard macro in case the help char
+ /* Make believe it's not a keyboard macro in case the help char
is pressed. Help characters are not recorded because menu prompting
- is not used on replay.
- */
+ is not used on replay. */
orig_defn_macro = KVAR (current_kboard, defining_kbd_macro);
kset_defining_kbd_macro (current_kboard, Qnil);
do
- obj = read_char (commandflag, 0, 0, Qt, 0, NULL);
+ obj = read_char (commandflag, Qnil, Qt, 0, NULL);
while (BUFFERP (obj));
kset_defining_kbd_macro (current_kboard, orig_defn_macro);
- if (!INTEGERP (obj))
- return obj;
- else if (XINT (obj) == -2)
+ if (!INTEGERP (obj) || XINT (obj) == -2)
return obj;
if (! EQ (obj, menu_prompt_more_char)
store_kbd_macro_char (obj);
return obj;
}
- /* Help char - go round again */
+ /* Help char - go round again. */
}
}
\f
/* Reading key sequences. */
-/* Follow KEY in the maps in CURRENT[0..NMAPS-1], placing its bindings
- in DEFS[0..NMAPS-1]. Set NEXT[i] to DEFS[i] if DEFS[i] is a
- keymap, or nil otherwise. Return the index of the first keymap in
- which KEY has any binding, or NMAPS if no map has a binding.
-
- If KEY is a meta ASCII character, treat it like meta-prefix-char
- followed by the corresponding non-meta character. Keymaps in
- CURRENT with non-prefix bindings for meta-prefix-char become nil in
- NEXT.
-
- If KEY has no bindings in any of the CURRENT maps, NEXT is left
- unmodified.
-
- NEXT may be the same array as CURRENT. */
-
-static int
-follow_key (Lisp_Object key, ptrdiff_t nmaps, Lisp_Object *current,
- Lisp_Object *defs, Lisp_Object *next)
+static Lisp_Object
+follow_key (Lisp_Object keymap, Lisp_Object key)
{
- ptrdiff_t i, first_binding;
-
- first_binding = nmaps;
- for (i = nmaps - 1; i >= 0; i--)
- {
- if (! NILP (current[i]))
- {
- defs[i] = access_keymap (current[i], key, 1, 0, 1);
- if (! NILP (defs[i]))
- first_binding = i;
- }
- else
- defs[i] = Qnil;
- }
-
- /* Given the set of bindings we've found, produce the next set of maps. */
- if (first_binding < nmaps)
- for (i = 0; i < nmaps; i++)
- next[i] = NILP (defs[i]) ? Qnil : get_keymap (defs[i], 0, 1);
+ return access_keymap (get_keymap (keymap, 0, 1),
+ key, 1, 0, 1);
+}
- return first_binding;
+static Lisp_Object
+active_maps (Lisp_Object first_event)
+{
+ Lisp_Object position
+ = CONSP (first_event) ? CAR_SAFE (XCDR (first_event)) : Qnil;
+ return Fcons (Qkeymap, Fcurrent_active_maps (Qt, position));
}
/* Structure used to keep track of partial application of key remapping
static bool
test_undefined (Lisp_Object binding)
{
- return (EQ (binding, Qundefined)
- || (!NILP (binding) && SYMBOLP (binding)
+ return (NILP (binding)
+ || EQ (binding, Qundefined)
+ || (SYMBOLP (binding)
&& EQ (Fcommand_remapping (binding, Qnil, Qnil), Qundefined)));
}
bool dont_downcase_last, bool can_return_switch_frame,
bool fix_current_buffer)
{
- Lisp_Object from_string;
ptrdiff_t count = SPECPDL_INDEX ();
/* How many keys there are in the current key sequence. */
ptrdiff_t echo_start IF_LINT (= 0);
ptrdiff_t keys_start;
- /* The number of keymaps we're scanning right now, and the number of
- keymaps we have allocated space for. */
- ptrdiff_t nmaps;
- ptrdiff_t nmaps_allocated = 0;
-
- /* defs[0..nmaps-1] are the definitions of KEYBUF[0..t-1] in
- the current keymaps. */
- Lisp_Object *defs = NULL;
-
- /* submaps[0..nmaps-1] are the prefix definitions of KEYBUF[0..t-1]
- in the current keymaps, or nil where it is not a prefix. */
- Lisp_Object *submaps = NULL;
-
- /* The local map to start out with at start of key sequence. */
- Lisp_Object orig_local_map;
-
- /* The map from the `keymap' property to start out with at start of
- key sequence. */
- Lisp_Object orig_keymap;
+ Lisp_Object current_binding = Qnil;
+ Lisp_Object first_event = Qnil;
- /* Positive if we have already considered switching to the local-map property
- of the place where a mouse click occurred. */
- int localized_local_map = 0;
-
- /* The index in submaps[] of the first keymap that has a binding for
- this key sequence. In other words, the lowest i such that
- submaps[i] is non-nil. */
- ptrdiff_t first_binding;
/* Index of the first key that has no binding.
It is useless to try fkey.start larger than that. */
int first_unbound;
While we're reading, we keep the event here. */
Lisp_Object delayed_switch_frame;
- /* See the comment below... */
-#if defined (GOBBLE_FIRST_EVENT)
- Lisp_Object first_event;
-#endif
-
Lisp_Object original_uppercase IF_LINT (= Qnil);
int original_uppercase_position = -1;
/* List of events for which a fake prefix key has been generated. */
Lisp_Object fake_prefixed_keys = Qnil;
-#if defined (GOBBLE_FIRST_EVENT)
- int junk;
-#endif
-
struct gcpro gcpro1;
GCPRO1 (fake_prefixed_keys);
keys_start = this_command_key_count;
this_single_command_key_start = keys_start;
-#if defined (GOBBLE_FIRST_EVENT)
- /* This doesn't quite work, because some of the things that read_char
- does cannot safely be bypassed. It seems too risky to try to make
- this work right. */
-
- /* Read the first char of the sequence specially, before setting
- up any keymaps, in case a filter runs and switches buffers on us. */
- first_event = read_char (NILP (prompt), 0, submaps, last_nonmenu_event,
- &junk, NULL);
-#endif /* GOBBLE_FIRST_EVENT */
-
- orig_local_map = get_local_map (PT, current_buffer, Qlocal_map);
- orig_keymap = get_local_map (PT, current_buffer, Qkeymap);
- from_string = Qnil;
-
/* We jump here when we need to reinitialize fkey and keytran; this
happens if we switch keyboards between rescans. */
replay_entire_sequence:
keybuf with its symbol, or if the sequence starts with a mouse
click and we need to switch buffers, we jump back here to rebuild
the initial keymaps from the current buffer. */
- nmaps = 0;
-
- if (!NILP (KVAR (current_kboard, Voverriding_terminal_local_map)))
- {
- if (2 > nmaps_allocated)
- {
- submaps = alloca (2 * sizeof *submaps);
- defs = alloca (2 * sizeof *defs);
- nmaps_allocated = 2;
- }
- submaps[nmaps++] = KVAR (current_kboard, Voverriding_terminal_local_map);
- }
- else if (!NILP (Voverriding_local_map))
- {
- if (2 > nmaps_allocated)
- {
- submaps = alloca (2 * sizeof *submaps);
- defs = alloca (2 * sizeof *defs);
- nmaps_allocated = 2;
- }
- submaps[nmaps++] = Voverriding_local_map;
- }
- else
- {
- ptrdiff_t nminor;
- ptrdiff_t total;
- Lisp_Object *maps;
-
- nminor = current_minor_maps (0, &maps);
- total = nminor + (!NILP (orig_keymap) ? 3 : 2);
-
- if (total > nmaps_allocated)
- {
- submaps = alloca (total * sizeof *submaps);
- defs = alloca (total * sizeof *defs);
- nmaps_allocated = total;
- }
-
- if (!NILP (orig_keymap))
- submaps[nmaps++] = orig_keymap;
-
- memcpy (submaps + nmaps, maps, nminor * sizeof (submaps[0]));
-
- nmaps += nminor;
-
- submaps[nmaps++] = orig_local_map;
- }
- submaps[nmaps++] = current_global_map;
-
- /* Find an accurate initial value for first_binding. */
- for (first_binding = 0; first_binding < nmaps; first_binding++)
- if (! NILP (submaps[first_binding]))
- break;
+ current_binding = active_maps (first_event);
/* Start from the beginning in keybuf. */
t = 0;
/* If the best binding for the current key sequence is a keymap, or
we may be looking at a function key's escape sequence, keep on
reading. */
- while (first_binding < nmaps
+ while (!NILP (current_binding)
/* Keep reading as long as there's a prefix binding. */
- ? !NILP (submaps[first_binding])
+ ? KEYMAPP (current_binding)
/* Don't return in the middle of a possible function key sequence,
if the only bindings we found were via case conversion.
Thus, if ESC O a has a function-key-map translation
just one key. */
ptrdiff_t echo_local_start IF_LINT (= 0);
int keys_local_start;
- ptrdiff_t local_first_binding;
+ Lisp_Object new_binding;
eassert (indec.end == t || (indec.end > t && indec.end <= mock_input));
eassert (indec.start <= indec.end);
if (INTERACTIVE)
echo_local_start = echo_length ();
keys_local_start = this_command_key_count;
- local_first_binding = first_binding;
replay_key:
/* These are no-ops, unless we throw away a keystroke below and
if (INTERACTIVE && t < mock_input)
echo_truncate (echo_local_start);
this_command_key_count = keys_local_start;
- first_binding = local_first_binding;
/* By default, assume each event is "real". */
last_real_key_start = t;
key = keybuf[t];
add_command_key (key);
if ((FLOATP (Vecho_keystrokes) || INTEGERP (Vecho_keystrokes))
- && NILP (Fzerop (Vecho_keystrokes)))
- echo_char (key);
+ && NILP (Fzerop (Vecho_keystrokes))
+ && current_kboard->immediate_echo)
+ {
+ echo_add_key (key);
+ echo_dash ();
+ }
}
/* If not, we should actually read a character. */
{
KBOARD *interrupted_kboard = current_kboard;
struct frame *interrupted_frame = SELECTED_FRAME ();
- key = read_char (NILP (prompt), nmaps,
- (Lisp_Object *) submaps, last_nonmenu_event,
+ key = read_char (NILP (prompt),
+ current_binding, last_nonmenu_event,
&used_mouse_menu, NULL);
if ((INTEGERP (key) && XINT (key) == -2) /* wrong_kboard_jmpbuf */
/* When switching to a new tty (with a new keyboard),
KVAR (interrupted_kboard, kbd_queue)));
}
mock_input = 0;
- orig_local_map = get_local_map (PT, current_buffer, Qlocal_map);
- orig_keymap = get_local_map (PT, current_buffer, Qkeymap);
goto replay_entire_sequence;
}
}
{
if (! FRAME_LIVE_P (XFRAME (selected_frame)))
Fkill_emacs (Qnil);
- if (XBUFFER (XWINDOW (selected_window)->buffer) != current_buffer)
+ if (XBUFFER (XWINDOW (selected_window)->buffer)
+ != current_buffer)
Fset_buffer (XWINDOW (selected_window)->buffer);
}
- orig_local_map = get_local_map (PT, current_buffer, Qlocal_map);
- orig_keymap = get_local_map (PT, current_buffer, Qkeymap);
goto replay_sequence;
}
keybuf[t++] = key;
mock_input = t;
Vquit_flag = Qnil;
- orig_local_map = get_local_map (PT, current_buffer, Qlocal_map);
- orig_keymap = get_local_map (PT, current_buffer, Qkeymap);
goto replay_sequence;
}
}
}
+ if (NILP (first_event))
+ {
+ first_event = key;
+ /* Even if first_event does not specify a particular
+ window/position, it's important to recompute the maps here
+ since a long time might have passed since we entered
+ read_key_sequence, and a timer (or process-filter or
+ special-event-map, ...) might have switched the current buffer
+ or the selected window from under us in the mean time. */
+ if (fix_current_buffer
+ && (XBUFFER (XWINDOW (selected_window)->buffer)
+ != current_buffer))
+ Fset_buffer (XWINDOW (selected_window)->buffer);
+ current_binding = active_maps (first_event);
+ }
+
GROW_RAW_KEYBUF;
ASET (raw_keybuf, raw_keybuf_count, key);
raw_keybuf_count++;
or when user programs play with this-command-keys. */
if (EVENT_HAS_PARAMETERS (key))
{
- Lisp_Object kind;
- Lisp_Object string;
-
- kind = EVENT_HEAD_KIND (EVENT_HEAD (key));
+ Lisp_Object kind = EVENT_HEAD_KIND (EVENT_HEAD (key));
if (EQ (kind, Qmouse_click))
{
- Lisp_Object window, posn;
-
- window = POSN_WINDOW (EVENT_START (key));
- posn = POSN_POSN (EVENT_START (key));
+ Lisp_Object window = POSN_WINDOW (EVENT_START (key));
+ Lisp_Object posn = POSN_POSN (EVENT_START (key));
if (CONSP (posn)
|| (!NILP (fake_prefixed_keys)
if (! FRAME_LIVE_P (XFRAME (selected_frame)))
Fkill_emacs (Qnil);
set_buffer_internal (XBUFFER (XWINDOW (window)->buffer));
- orig_local_map = get_local_map (PT, current_buffer,
- Qlocal_map);
- orig_keymap = get_local_map (PT, current_buffer,
- Qkeymap);
goto replay_sequence;
}
-
- /* For a mouse click, get the local text-property keymap
- of the place clicked on, rather than point. */
- if (CONSP (XCDR (key))
- && ! localized_local_map)
- {
- Lisp_Object map_here, start, pos;
-
- localized_local_map = 1;
- start = EVENT_START (key);
-
- if (CONSP (start) && POSN_INBUFFER_P (start))
- {
- pos = POSN_BUFFER_POSN (start);
- if (INTEGERP (pos)
- && XINT (pos) >= BEGV
- && XINT (pos) <= ZV)
- {
- map_here = get_local_map (XINT (pos),
- current_buffer,
- Qlocal_map);
- if (!EQ (map_here, orig_local_map))
- {
- orig_local_map = map_here;
- ++localized_local_map;
- }
-
- map_here = get_local_map (XINT (pos),
- current_buffer,
- Qkeymap);
- if (!EQ (map_here, orig_keymap))
- {
- orig_keymap = map_here;
- ++localized_local_map;
- }
-
- if (localized_local_map > 1)
- {
- keybuf[t] = key;
- mock_input = t + 1;
-
- goto replay_sequence;
- }
- }
- }
- }
}
/* Expand mode-line and scroll-bar events into two events:
prevent proper action when the event is pushed
back into unread-command-events. */
fake_prefixed_keys = Fcons (key, fake_prefixed_keys);
-
- /* If on a mode line string with a local keymap,
- reconsider the key sequence with that keymap. */
- if (string = POSN_STRING (EVENT_START (key)),
- (CONSP (string) && STRINGP (XCAR (string))))
- {
- Lisp_Object pos, map, map2;
-
- pos = XCDR (string);
- string = XCAR (string);
- if (XINT (pos) >= 0
- && XINT (pos) < SCHARS (string))
- {
- map = Fget_text_property (pos, Qlocal_map, string);
- if (!NILP (map))
- orig_local_map = map;
- map2 = Fget_text_property (pos, Qkeymap, string);
- if (!NILP (map2))
- orig_keymap = map2;
- if (!NILP (map) || !NILP (map2))
- goto replay_sequence;
- }
- }
-
goto replay_key;
}
- else if (NILP (from_string)
- && (string = POSN_STRING (EVENT_START (key)),
- (CONSP (string) && STRINGP (XCAR (string)))))
- {
- /* For a click on a string, i.e. overlay string or a
- string displayed via the `display' property,
- consider `local-map' and `keymap' properties of
- that string. */
- Lisp_Object pos, map, map2;
-
- pos = XCDR (string);
- string = XCAR (string);
- if (XINT (pos) >= 0
- && XINT (pos) < SCHARS (string))
- {
- map = Fget_text_property (pos, Qlocal_map, string);
- if (!NILP (map))
- orig_local_map = map;
- map2 = Fget_text_property (pos, Qkeymap, string);
- if (!NILP (map2))
- orig_keymap = map2;
-
- if (!NILP (map) || !NILP (map2))
- {
- from_string = string;
- keybuf[t++] = key;
- mock_input = t;
- goto replay_sequence;
- }
- }
- }
}
else if (CONSP (XCDR (key))
&& CONSP (EVENT_START (key))
if (bufsize - t <= 1)
error ("Key sequence too long");
keybuf[t] = posn;
- keybuf[t+1] = key;
+ keybuf[t + 1] = key;
/* Zap the position in key, so we know that we've
expanded it, and don't try to do so again. */
/* We have finally decided that KEY is something we might want
to look up. */
- first_binding = (follow_key (key,
- nmaps - first_binding,
- submaps + first_binding,
- defs + first_binding,
- submaps + first_binding)
- + first_binding);
+ new_binding = follow_key (current_binding, key);
/* If KEY wasn't bound, we'll try some fallbacks. */
- if (first_binding < nmaps)
+ if (!NILP (new_binding))
/* This is needed for the following scenario:
event 0: a down-event that gets dropped by calling replay_key.
event 1: some normal prefix like C-h.
new_click
= Fcons (new_head, Fcons (EVENT_START (key), Qnil));
- /* Look for a binding for this new key. follow_key
- promises that it didn't munge submaps the
- last time we called it, since key was unbound. */
- first_binding
- = (follow_key (new_click,
- nmaps - local_first_binding,
- submaps + local_first_binding,
- defs + local_first_binding,
- submaps + local_first_binding)
- + local_first_binding);
+ /* Look for a binding for this new key. */
+ new_binding = follow_key (current_binding, new_click);
/* If that click is bound, go for it. */
- if (first_binding < nmaps)
+ if (!NILP (new_binding))
{
+ current_binding = new_binding;
key = new_click;
break;
}
}
}
}
+ current_binding = new_binding;
keybuf[t++] = key;
/* Normally, last_nonmenu_event gets the previous key we read.
}
}
- if (first_binding < nmaps
- && NILP (submaps[first_binding])
- && !test_undefined (defs[first_binding])
+ if (!KEYMAPP (current_binding)
+ && !test_undefined (current_binding)
&& indec.start >= t)
/* There is a binding and it's not a prefix.
(and it doesn't have any input-decode-map translation pending).
first_binding >= nmaps) we don't want
to apply this function-key-mapping. */
fkey.end + 1 == t
- && (first_binding >= nmaps
- || test_undefined (defs[first_binding])),
+ && (test_undefined (current_binding)),
&diff, prompt);
UNGCPRO;
if (done)
and cannot be part of a function key or translation,
and is an upper case letter
use the corresponding lower-case letter instead. */
- if (first_binding >= nmaps
+ if (NILP (current_binding)
&& /* indec.start >= t && fkey.start >= t && */ keytran.start >= t
&& INTEGERP (key)
&& ((CHARACTERP (make_number (XINT (key) & ~CHAR_MODIFIER_MASK))
and cannot be part of a function key or translation,
and is a shifted function key,
use the corresponding unshifted function key instead. */
- if (first_binding >= nmaps
+ if (NILP (current_binding)
&& /* indec.start >= t && fkey.start >= t && */ keytran.start >= t)
{
Lisp_Object breakdown = parse_modifiers (key);
}
}
if (!dummyflag)
- read_key_sequence_cmd = (first_binding < nmaps
- ? defs[first_binding]
- : Qnil);
+ read_key_sequence_cmd = current_binding;
read_key_sequence_remapped
/* Remap command through active keymaps.
Do the remapping here, before the unbind_to so it uses the keymaps
/* Don't downcase the last character if the caller says don't.
Don't downcase it if the result is undefined, either. */
- if ((dont_downcase_last || first_binding >= nmaps)
+ if ((dont_downcase_last || NILP (current_binding))
&& t > 0
&& t - 1 == original_uppercase_position)
{
memset (keybuf, 0, sizeof keybuf);
GCPRO1 (keybuf[0]);
- gcpro1.nvars = (sizeof keybuf/sizeof (keybuf[0]));
+ gcpro1.nvars = (sizeof keybuf / sizeof (keybuf[0]));
if (NILP (continue_echo))
{
cancel_hourglass ();
#endif
- i = read_key_sequence (keybuf, (sizeof keybuf/sizeof (keybuf[0])),
+ i = read_key_sequence (keybuf, (sizeof keybuf / sizeof (keybuf[0])),
prompt, ! NILP (dont_downcase_last),
! NILP (can_return_switch_frame), 0);
UNGCPRO;
return unbind_to (count, Fvector (i, keybuf));
}
-\f
-DEFUN ("command-execute", Fcommand_execute, Scommand_execute, 1, 4, 0,
- doc: /* Execute CMD as an editor command.
-CMD must be a symbol that satisfies the `commandp' predicate.
-Optional second arg RECORD-FLAG non-nil
-means unconditionally put this command in `command-history'.
-Otherwise, that is done only if an arg is read using the minibuffer.
-The argument KEYS specifies the value to use instead of (this-command-keys)
-when reading the arguments; if it is nil, (this-command-keys) is used.
-The argument SPECIAL, if non-nil, means that this command is executing
-a special event, so ignore the prefix argument and don't clear it. */)
- (Lisp_Object cmd, Lisp_Object record_flag, Lisp_Object keys, Lisp_Object special)
-{
- register Lisp_Object final;
- register Lisp_Object tem;
- Lisp_Object prefixarg;
-
- debug_on_next_call = 0;
-
- if (NILP (special))
- {
- prefixarg = KVAR (current_kboard, Vprefix_arg);
- Vcurrent_prefix_arg = prefixarg;
- kset_prefix_arg (current_kboard, Qnil);
- }
- else
- prefixarg = Qnil;
-
- if (SYMBOLP (cmd))
- {
- tem = Fget (cmd, Qdisabled);
- if (!NILP (tem))
- {
- tem = Fsymbol_value (Qdisabled_command_function);
- if (!NILP (tem))
- return Frun_hooks (1, &Qdisabled_command_function);
- }
- }
-
- while (1)
- {
- final = Findirect_function (cmd, Qnil);
-
- if (CONSP (final) && (tem = Fcar (final), EQ (tem, Qautoload)))
- {
- struct gcpro gcpro1, gcpro2;
-
- GCPRO2 (cmd, prefixarg);
- Fautoload_do_load (final, cmd, Qnil);
- UNGCPRO;
- }
- else
- break;
- }
-
- if (STRINGP (final) || VECTORP (final))
- {
- /* If requested, place the macro in the command history. For
- other sorts of commands, call-interactively takes care of
- this. */
- if (!NILP (record_flag))
- {
- Vcommand_history
- = Fcons (Fcons (Qexecute_kbd_macro,
- Fcons (final, Fcons (prefixarg, Qnil))),
- Vcommand_history);
-
- /* Don't keep command history around forever. */
- if (NUMBERP (Vhistory_length) && XINT (Vhistory_length) > 0)
- {
- tem = Fnthcdr (Vhistory_length, Vcommand_history);
- if (CONSP (tem))
- XSETCDR (tem, Qnil);
- }
- }
-
- return Fexecute_kbd_macro (final, prefixarg, Qnil);
- }
-
- if (CONSP (final) || SUBRP (final) || COMPILEDP (final))
- /* Don't call Fcall_interactively directly because we want to make
- sure the backtrace has an entry for `call-interactively'.
- For the same reason, pass `cmd' rather than `final'. */
- return call3 (Qcall_interactively, cmd, record_flag, keys);
-
- return Qnil;
-}
-
-
\f
/* Return true if input events are pending. */
raw_keybuf = Fmake_vector (make_number (30), Qnil);
staticpro (&raw_keybuf);
- DEFSYM (Qextended_command_history, "extended-command-history");
- Fset (Qextended_command_history, Qnil);
+ DEFSYM (Qcommand_execute, "command-execute");
accent_key_syms = Qnil;
staticpro (&accent_key_syms);
defsubr (&Srecursive_edit);
defsubr (&Strack_mouse);
defsubr (&Sinput_pending_p);
- defsubr (&Scommand_execute);
defsubr (&Srecent_keys);
defsubr (&Sthis_command_keys);
defsubr (&Sthis_command_keys_vector);
to count as a drag. */);
double_click_fuzz = 3;
- DEFVAR_BOOL ("inhibit-local-menu-bar-menus", inhibit_local_menu_bar_menus,
- doc: /* Non-nil means inhibit local map menu bar menus. */);
- inhibit_local_menu_bar_menus = 0;
-
DEFVAR_INT ("num-input-keys", num_input_keys,
doc: /* Number of complete key sequences read as input so far.
This includes key sequences read from keyboard macros.
and its return value (a key sequence) is used.
The events that come from bindings in `input-decode-map' are not
-themselves looked up in `input-decode-map'.
-
-This variable is keyboard-local. */);
+themselves looked up in `input-decode-map'. */);
DEFVAR_LISP ("function-key-map", Vfunction_key_map,
doc: /* The parent keymap of all `local-function-key-map' instances.
DEFVAR_LISP ("key-translation-map", Vkey_translation_map,
doc: /* Keymap of key translations that can override keymaps.
-This keymap works like `function-key-map', but comes after that,
-and its non-prefix bindings override ordinary bindings.
-Another difference is that it is global rather than keyboard-local. */);
+This keymap works like `input-decode-map', but comes after `function-key-map'.
+Another difference is that it is global rather than terminal-local. */);
Vkey_translation_map = Fmake_sparse_keymap (Qnil);
DEFVAR_LISP ("deferred-action-list", Vdeferred_action_list,
Vsaved_region_selection,
doc: /* Contents of active region prior to buffer modification.
If `select-active-regions' is non-nil, Emacs sets this to the
-text in the region before modifying the buffer. The next
-`deactivate-mark' call uses this to set the window selection. */);
+text in the region before modifying the buffer. The next call to
+the function `deactivate-mark' uses this to set the window selection. */);
Vsaved_region_selection = Qnil;
DEFVAR_LISP ("selection-inhibit-update-commands",