/* 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.
Lisp_Object Qmouse_click;
#ifdef HAVE_NTGUI
Lisp_Object Qlanguage_change;
+#ifdef WINDOWSNT
+Lisp_Object Qfile_w32notify;
+#endif
#endif
static Lisp_Object Qdrag_n_drop;
static Lisp_Object Qsave_session;
#ifdef HAVE_DBUS
static Lisp_Object Qdbus_event;
#endif
+#ifdef HAVE_INOTIFY
+static Lisp_Object Qfile_inotify;
+#endif /* HAVE_INOTIFY */
static Lisp_Object Qconfig_changed_event;
/* Lisp_Object Qmouse_movement; - also an event header */
}
\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. */
Vsignaling_function = Qnil;
}
-\f
-Lisp_Object command_loop_1 (void);
+
static Lisp_Object command_loop_2 (Lisp_Object);
static Lisp_Object top_level_1 (Lisp_Object);
value to us. A value of nil means that command_loop_1 itself
returned due to end of file (or end of kbd macro). */
-Lisp_Object
+static Lisp_Object
command_loop_2 (Lisp_Object ignore)
{
register Lisp_Object val;
return Feval (Vtop_level, Qnil);
}
-Lisp_Object
+static Lisp_Object
top_level_1 (Lisp_Object ignore)
{
/* On entry to the outer level, run the startup file */
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);
make_number (event->modifiers)));
kbd_fetch_ptr = event + 1;
}
+#endif
+#ifdef WINDOWSNT
+ else if (event->kind == FILE_NOTIFY_EVENT)
+ {
+ /* Make an event (file-notify (DESCRIPTOR ACTION FILE) CALLBACK). */
+ obj = Fcons (Qfile_w32notify,
+ list2 (list3 (make_number (event->code),
+ XCAR (event->arg),
+ XCDR (event->arg)),
+ event->frame_or_window));
+ kbd_fetch_ptr = event + 1;
+ }
#endif
else if (event->kind == SAVE_SESSION_EVENT)
{
obj = make_lispy_event (event);
kbd_fetch_ptr = event + 1;
}
+#endif
+#ifdef HAVE_INOTIFY
+ else if (event->kind == FILE_NOTIFY_EVENT)
+ {
+ obj = make_lispy_event (event);
+ kbd_fetch_ptr = event + 1;
+ }
#endif
else if (event->kind == CONFIG_CHANGED_EVENT)
{
string_info = Fcons (string, make_number (charpos));
textpos = (w == XWINDOW (selected_window)
&& current_buffer == XBUFFER (w->buffer))
- ? PT : XMARKER (w->pointm)->charpos;
+ ? PT : marker_position (w->pointm);
xret = wx;
yret = wy;
}
#endif /* HAVE_DBUS */
+#ifdef HAVE_INOTIFY
+ case FILE_NOTIFY_EVENT:
+ {
+ return Fcons (Qfile_inotify, event->arg);
+ }
+#endif /* HAVE_INOTIFY */
+
case CONFIG_CHANGED_EVENT:
return Fcons (Qconfig_changed_event,
Fcons (event->arg,
void
record_asynch_buffer_change (void)
{
- struct input_event event;
- Lisp_Object tem;
- EVENT_INIT (event);
-
- event.kind = BUFFER_SWITCH_EVENT;
- event.frame_or_window = Qnil;
- event.arg = Qnil;
-
/* We don't need a buffer-switch event unless Emacs is waiting for input.
The purpose of the event is to make read_key_sequence look up the
keymaps again. If we aren't in read_key_sequence, we don't need one,
and the event could cause trouble by messing up (input-pending-p).
Note: Fwaiting_for_user_input_p always returns nil when async
subprocesses aren't supported. */
- tem = Fwaiting_for_user_input_p ();
- if (NILP (tem))
- return;
+ if (!NILP (Fwaiting_for_user_input_p ()))
+ {
+ struct input_event event;
+
+ EVENT_INIT (event);
+ event.kind = BUFFER_SWITCH_EVENT;
+ event.frame_or_window = Qnil;
+ event.arg = Qnil;
- /* Make sure no interrupt happens while storing the event. */
+ /* Make sure no interrupt happens while storing the event. */
#ifdef USABLE_SIGIO
- if (interrupt_input)
- kbd_buffer_store_event (&event);
- else
+ if (interrupt_input)
+ kbd_buffer_store_event (&event);
+ else
#endif
- {
- stop_polling ();
- kbd_buffer_store_event (&event);
- start_polling ();
+ {
+ stop_polling ();
+ kbd_buffer_store_event (&event);
+ start_polling ();
+ }
}
}
-\f
+
/* Read any terminal input already buffered up by the system
into the kbd_buffer, but do not wait.
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)
ptrdiff_t idx = -1;
bool nobindings = 1;
Lisp_Object rest, vector;
- char *menu;
+ Lisp_Object prompt_strings = Qnil;
vector = Qnil;
name = Qnil;
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;
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;
+ /* FIXME: Use map_keymap to handle new keymap formats. */
+
/* If reached end of map, start at beginning of next map. */
if (NILP (rest))
{
/* 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"), 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
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
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. */
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);
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'.
+means unconditionally put this command in the variable `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.
fflush (stdout);
reset_all_sys_modes ();
-#ifdef SIGTSTP /* Support possible in later USG versions */
+#ifdef SIGTSTP
/*
* On systems which can suspend the current process and return to the original
* shell, this command causes the user to end up back at the shell.
DEFSYM (Qlanguage_change, "language-change");
#endif
+#ifdef WINDOWSNT
+ DEFSYM (Qfile_w32notify, "file-w32notify");
+#endif
+
#ifdef HAVE_DBUS
DEFSYM (Qdbus_event, "dbus-event");
#endif
+#ifdef HAVE_INOTIFY
+ DEFSYM (Qfile_inotify, "file-inotify");
+#endif /* HAVE_INOTIFY */
+
DEFSYM (QCenable, ":enable");
DEFSYM (QCvisible, ":visible");
DEFSYM (QChelp, ":help");
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",
"dbus-handle-event");
#endif
+#ifdef HAVE_INOTIFY
+ /* Define a special event which is raised for inotify callback
+ functions. */
+ initial_define_lispy_key (Vspecial_event_map, "file-inotify",
+ "inotify-handle-event");
+#endif /* HAVE_INOTIFY */
+
initial_define_lispy_key (Vspecial_event_map, "config-changed-event",
"ignore");
#if defined (WINDOWSNT)
initial_define_lispy_key (Vspecial_event_map, "language-change",
"ignore");
+ initial_define_lispy_key (Vspecial_event_map, "file-w32notify",
+ "w32notify-handle-event");
#endif
}
HCoop / bpt / emacs.git / blobdiff