/* Keyboard and mouse input; editor command loop.
- Copyright (C) 1985,86,87,88,89,93,94,95 Free Software Foundation, Inc.
+ Copyright (C) 1985,86,87,88,89,93,94,95,96,97 Free Software Foundation, Inc.
This file is part of GNU Emacs.
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. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
/* Allow config.h to undefine symbols found here. */
#include <signal.h>
#include "window.h"
#include "commands.h"
#include "buffer.h"
+#include "charset.h"
#include "disptab.h"
#include "dispextern.h"
#include "keyboard.h"
Lisp_Object this_command_keys;
int this_command_key_count;
+/* Number of elements of this_command_keys
+ that precede this key sequence. */
+int this_single_command_key_start;
+
/* Record values of this_command_key_count and echo_length ()
before this command was read. */
static int before_command_key_count;
/* Nonzero means C-g should cause immediate error-signal. */
int immediate_quit;
+/* The user's ERASE setting. */
+Lisp_Object Vtty_erase_char;
+
/* Character to recognize as the help char. */
Lisp_Object Vhelp_char;
static Lisp_Object Vauto_save_timeout;
/* Total number of times read_char has returned. */
-int num_input_chars;
+int num_input_events;
/* Total number of times read_char has returned, outside of macros. */
-int num_nonmacro_input_chars;
+int num_nonmacro_input_events;
/* Auto-save automatically when this many characters have been typed
since the last time. */
static int auto_save_interval;
-/* Value of num_nonmacro_input_chars as of last auto save. */
+/* Value of num_nonmacro_input_events as of last auto save. */
int last_auto_save;
/* The buffer that was current when the last command was started. */
Lisp_Object last_point_position_buffer;
-#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. */
Lisp_Object internal_last_event_frame;
-#endif
/* A user-visible version of the above, intended to allow users to
figure out where the last event came from, if the event doesn't
Lisp_Object Qforward_char;
Lisp_Object Qbackward_char;
Lisp_Object Qundefined;
+Lisp_Object Qtimer_event_handler;
/* read_key_sequence stores here the command definition of the
key sequence that it reads. */
Lisp_Object Vlucid_menu_bar_dirty_flag;
Lisp_Object Qrecompute_lucid_menubar, Qactivate_menubar_hook;
+Lisp_Object Qecho_area_clear_hook;
+
/* Hooks to run before and after each command. */
Lisp_Object Qpre_command_hook, Vpre_command_hook;
Lisp_Object Qpost_command_hook, Vpost_command_hook;
Lisp_Object recursive_edit_unwind (), command_loop ();
Lisp_Object Fthis_command_keys ();
Lisp_Object Qextended_command_history;
+EMACS_TIME timer_check ();
extern char *x_get_keysym_name ();
+static void record_menu_key ();
+
+void swallow_events ();
+
Lisp_Object Qpolling_period;
+/* List of absolute timers. Appears in order of next scheduled event. */
+Lisp_Object Vtimer_list;
+
+/* List of idle time timers. Appears in order of next scheduled event. */
+Lisp_Object Vtimer_idle_list;
+
+/* Incremented whenever a timer is run. */
+int timers_run;
+
extern Lisp_Object Vprint_level, Vprint_length;
/* Address (if not 0) of EMACS_TIME to zero out if a SIGIO interrupt
/* Nonzero while interrupts are temporarily deferred during redisplay. */
int interrupts_deferred;
-/* nonzero means use ^S/^Q for flow control. */
+/* Nonzero means use ^S/^Q for flow control. */
int flow_control;
/* Allow m- file to inhibit use of FIONREAD. */
#ifdef HAVE_WINDOW_SYSTEM
#define POLL_FOR_INPUT
#endif
-
-/* Non-nil enables Column Number mode. */
-Lisp_Object Vcolumn_number_mode;
\f
/* Global variable declarations. */
current_kboard->echo_after_prompt = len;
- echo ();
+ echo_now ();
}
/* Add C to the echo string, if echoing is going on.
*ptr = 0;
current_kboard->echoptr = ptr;
- echo ();
+ echo_now ();
}
}
current_kboard->echoptr[0] = '-';
current_kboard->echoptr[1] = 0;
- echo ();
+ echo_now ();
}
/* Display the current echo string, and begin echoing if not already
doing so. */
-echo ()
+echo_now ()
{
if (!current_kboard->immediate_echo)
{
if (before_command_restore_flag)
{
this_command_key_count = before_command_key_count_1;
+ if (this_command_key_count < this_single_command_key_start)
+ this_single_command_key_start = this_command_key_count;
echo_truncate (before_command_echo_length_1);
before_command_restore_flag = 0;
}
val = command_loop ();
if (EQ (val, Qt))
Fsignal (Qquit, Qnil);
+ /* Handle throw from read_minibuf when using minibuffer
+ while it's active but we're in another window. */
+ if (STRINGP (val))
+ Fsignal (Qerror, Fcons (val, Qnil));
return unbind_to (count, Qnil);
}
record_auto_save ()
{
- last_auto_save = num_nonmacro_input_chars;
+ last_auto_save = num_nonmacro_input_events;
}
/* Make an auto save happen as soon as possible at command level. */
Lisp_Object data;
{
Lisp_Object old_level, old_length;
+ char macroerror[50];
+
+ if (!NILP (executing_macro))
+ {
+ if (executing_macro_iterations == 1)
+ sprintf (macroerror, "After 1 kbd macro iteration: ");
+ else
+ sprintf (macroerror, "After %d kbd macro iterations: ",
+ executing_macro_iterations);
+ }
+ else
+ *macroerror = 0;
Vstandard_output = Qt;
Vstandard_input = Qt;
Vexecuting_macro = Qnil;
+ executing_macro = Qnil;
current_kboard->Vprefix_arg = Qnil;
cancel_echoing ();
old_length = Vprint_length;
XSETFASTINT (Vprint_level, 10);
XSETFASTINT (Vprint_length, 10);
- cmd_error_internal (data, NULL);
+ cmd_error_internal (data, macroerror);
Vprint_level = old_level;
Vprint_length = old_length;
command_loop_1 ()
{
Lisp_Object cmd, tem;
- int lose;
+ int lose, lose2;
int nonundocount;
Lisp_Object keybuf[30];
int i;
nonundocount = 0;
no_redisplay = 0;
this_command_key_count = 0;
+ this_single_command_key_start = 0;
/* Make sure this hook runs after commands that get errors and
throw to top level. */
{
if (NILP (Vunread_command_events)
&& NILP (Vexecuting_macro)
- && !NILP (sit_for (0, post_command_idle_delay, 0, 1)))
+ && !NILP (sit_for (0, post_command_idle_delay, 0, 1, 1)))
safe_run_hooks (Qpost_command_idle_hook);
}
rather than quitting back to the minibuffer. */
int count = specpdl_ptr - specpdl;
specbind (Qinhibit_quit, Qt);
+
Fsit_for (make_number (2), Qnil, Qnil);
+ /* Clear the echo area. */
+ message2 (0, 0);
+ safe_run_hooks (Qecho_area_clear_hook);
+
unbind_to (count, Qnil);
- echo_area_glyphs = 0;
- no_direct = 1;
+ /* If a C-g came in before, treat it as input now. */
if (!NILP (Vquit_flag))
{
Vquit_flag = Qnil;
#endif /* C_ALLOCA */
#if 0
-#ifdef MULTI_FRAME
/* Select the frame that the last event came from. Usually,
switch-frame events will take care of this, but if some lisp
code swallows a switch-frame event, we'll fix things up here.
if (FRAMEP (internal_last_event_frame)
&& XFRAME (internal_last_event_frame) != selected_frame)
Fselect_frame (internal_last_event_frame, Qnil);
-#endif
#endif
/* If it has changed current-menubar from previous value,
really recompute the menubar from the value. */
/* Read next key sequence; i gets its length. */
i = read_key_sequence (keybuf, sizeof keybuf / sizeof keybuf[0],
- Qnil, 0, 1);
+ Qnil, 0, 1, 1);
+
+ /* A filter may have run while we were reading the input. */
+ if (XBUFFER (XWINDOW (selected_window)->buffer) != current_buffer)
+ set_buffer_internal (XBUFFER (XWINDOW (selected_window)->buffer));
++num_input_keys;
{
cancel_echoing ();
this_command_key_count = 0;
+ this_single_command_key_start = 0;
goto finalize;
}
{
struct Lisp_Char_Table *dp
= window_display_table (XWINDOW (selected_window));
- lose = FETCH_CHAR (PT);
- SET_PT (PT + 1);
+ lose = FETCH_BYTE (PT);
+ SET_PT (forward_point (1));
if ((dp
? (VECTORP (DISP_CHAR_VECTOR (dp, lose))
? XVECTOR (DISP_CHAR_VECTOR (dp, lose))->size == 1
: (NILP (DISP_CHAR_VECTOR (dp, lose))
&& (lose >= 0x20 && lose < 0x7f)))
: (lose >= 0x20 && lose < 0x7f))
+ /* To extract the case of continuation on
+ wide-column characters. */
+ && (WIDTH_BY_CHAR_HEAD (FETCH_BYTE (PT)) == 1)
&& (XFASTINT (XWINDOW (selected_window)->last_modified)
>= MODIFF)
+ && (XFASTINT (XWINDOW (selected_window)->last_overlay_modified)
+ >= OVERLAY_MODIFF)
&& (XFASTINT (XWINDOW (selected_window)->last_point)
== PT - 1)
&& !windows_or_buffers_changed
&& EQ (current_buffer->selective_display, Qnil)
&& !detect_input_pending ()
- && NILP (Vcolumn_number_mode)
+ && NILP (XWINDOW (selected_window)->column_number_displayed)
&& NILP (Vexecuting_macro))
no_redisplay = direct_output_forward_char (1);
goto directly_done;
{
struct Lisp_Char_Table *dp
= window_display_table (XWINDOW (selected_window));
- SET_PT (PT - 1);
- lose = FETCH_CHAR (PT);
+ SET_PT (forward_point (-1));
+ lose = FETCH_BYTE (PT);
if ((dp
? (VECTORP (DISP_CHAR_VECTOR (dp, lose))
? XVECTOR (DISP_CHAR_VECTOR (dp, lose))->size == 1
: (lose >= 0x20 && lose < 0x7f))
&& (XFASTINT (XWINDOW (selected_window)->last_modified)
>= MODIFF)
+ && (XFASTINT (XWINDOW (selected_window)->last_overlay_modified)
+ >= OVERLAY_MODIFF)
&& (XFASTINT (XWINDOW (selected_window)->last_point)
== PT + 1)
&& !windows_or_buffers_changed
&& EQ (current_buffer->selective_display, Qnil)
&& !detect_input_pending ()
- && NILP (Vcolumn_number_mode)
+ && NILP (XWINDOW (selected_window)->column_number_displayed)
&& NILP (Vexecuting_macro))
no_redisplay = direct_output_forward_char (-1);
goto directly_done;
/* Try this optimization only on ascii keystrokes. */
&& INTEGERP (last_command_char))
{
- unsigned char c = XINT (last_command_char);
+ unsigned int c = XINT (last_command_char);
int value;
if (NILP (Vexecuting_macro)
}
lose = ((XFASTINT (XWINDOW (selected_window)->last_modified)
< MODIFF)
+ || (XFASTINT (XWINDOW (selected_window)->last_overlay_modified)
+ < OVERLAY_MODIFF)
|| (XFASTINT (XWINDOW (selected_window)->last_point)
!= PT)
|| MODIFF <= SAVE_MODIFF
|| windows_or_buffers_changed
|| !EQ (current_buffer->selective_display, Qnil)
|| detect_input_pending ()
- || !NILP (Vcolumn_number_mode)
+ || !NILP (XWINDOW (selected_window)->column_number_displayed)
|| !NILP (Vexecuting_macro));
value = internal_self_insert (c, 0);
if (value)
nonundocount = 0;
if (!lose
- && (PT == ZV || FETCH_CHAR (PT) == '\n'))
+ && (PT == ZV || FETCH_BYTE (PT) == '\n'))
{
struct Lisp_Char_Table *dp
= window_display_table (XWINDOW (selected_window));
nonundocount = 0;
if (NILP (current_kboard->Vprefix_arg))
Fundo_boundary ();
- Fcommand_execute (this_command, Qnil, Qnil);
+ Fcommand_execute (this_command, Qnil, Qnil, Qnil);
}
directly_done: ;
- /* Note that the value cell will never directly contain nil
- if the symbol is a local variable. */
- if (!NILP (Vpost_command_hook) && !NILP (Vrun_hooks))
- safe_run_hooks (Qpost_command_hook);
-
- if (!NILP (Vdeferred_action_list))
- safe_run_hooks (Qdeferred_action_function);
-
- if (!NILP (Vpost_command_idle_hook) && !NILP (Vrun_hooks))
- {
- if (NILP (Vunread_command_events)
- && NILP (Vexecuting_macro)
- && !NILP (sit_for (0, post_command_idle_delay, 0, 1)))
- safe_run_hooks (Qpost_command_idle_hook);
- }
-
/* If there is a prefix argument,
1) We don't want Vlast_command to be ``universal-argument''
(that would be dumb), so don't set Vlast_command,
current_kboard->Vlast_command = this_command;
cancel_echoing ();
this_command_key_count = 0;
+ this_single_command_key_start = 0;
+ }
+
+ /* Note that the value cell will never directly contain nil
+ if the symbol is a local variable. */
+ if (!NILP (Vpost_command_hook) && !NILP (Vrun_hooks))
+ safe_run_hooks (Qpost_command_hook);
+
+ if (!NILP (Vdeferred_action_list))
+ safe_run_hooks (Qdeferred_action_function);
+
+ if (!NILP (Vpost_command_idle_hook) && !NILP (Vrun_hooks))
+ {
+ if (NILP (Vunread_command_events)
+ && NILP (Vexecuting_macro)
+ && !NILP (sit_for (0, post_command_idle_delay, 0, 1, 1)))
+ safe_run_hooks (Qpost_command_idle_hook);
}
if (!NILP (current_buffer->mark_active) && !NILP (Vrun_hooks))
int count = specpdl_ptr - specpdl;
specbind (Qinhibit_quit, hook);
- internal_condition_case (safe_run_hooks_1, Qerror, safe_run_hooks_error);
+ internal_condition_case (safe_run_hooks_1, Qt, safe_run_hooks_error);
unbind_to (count, Qnil);
}
input_poll_signal (signalnum) /* If we don't have an argument, */
int signalnum; /* some compilers complain in signal calls. */
{
+ /* This causes the call to start_polling at the end
+ to do its job. It also arranges for a quit or error
+ from within read_avail_input to resume polling. */
+ poll_suppress_count++;
if (interrupt_input_blocked == 0
&& !waiting_for_input)
read_avail_input (0);
- signal (SIGALRM, input_poll_signal);
- alarm (polling_period);
+ /* Turn on the SIGALRM handler and request another alarm. */
+ start_polling ();
}
#endif
Lisp_Object prev_event;
int *used_mouse_menu;
{
- register Lisp_Object c;
+ Lisp_Object c;
int count;
jmp_buf local_getcjmp;
jmp_buf save_jump;
int key_already_recorded = 0;
Lisp_Object tem, save;
Lisp_Object also_record;
+ struct gcpro gcpro1;
+
also_record = Qnil;
before_command_key_count = this_command_key_count;
before_command_echo_length = echo_length ();
+ c = Qnil;
+
+ GCPRO1 (c);
retry:
if (!NILP (Vexecuting_macro))
{
-#ifdef MULTI_FRAME
/* We set this to Qmacro; since that's not a frame, nobody will
try to switch frames on us, and the selected window will
remain unchanged.
events read from a macro should never cause a new frame to be
selected. */
Vlast_event_frame = internal_last_event_frame = Qmacro;
-#endif
/* Exit the macro if we are at the end.
Also, some things replace the macro with t
|| executing_macro_index >= XFASTINT (Flength (Vexecuting_macro)))
{
XSETINT (c, -1);
- return c;
+ RETURN_UNGCPRO (c);
}
c = Faref (Vexecuting_macro, make_number (executing_macro_index));
goto reread_first;
}
- if (commandflag >= 0 && !input_pending && !detect_input_pending ())
- redisplay ();
+ if (commandflag >= 0)
+ {
+ if (input_pending
+ || detect_input_pending_run_timers (0))
+ swallow_events (0);
+
+ if (!input_pending)
+ redisplay ();
+ }
/* Message turns off echoing unless more keystrokes turn it on again. */
if (echo_area_glyphs && *echo_area_glyphs
/* Don't bring up a menu if we already have another event. */
&& NILP (Vunread_command_events)
&& unread_command_char < 0
- && !detect_input_pending ())
+ && !detect_input_pending_run_timers (0))
{
c = read_char_minibuf_menu_prompt (commandflag, nmaps, maps);
if (! NILP (c))
if (_setjmp (local_getcjmp))
{
XSETINT (c, quit_char);
-#ifdef MULTI_FRAME
XSETFRAME (internal_last_event_frame, selected_frame);
Vlast_event_frame = internal_last_event_frame;
-#endif
/* If we report the quit char as an event,
don't do so more than once. */
if (!NILP (Vinhibit_quit))
*tailp = Fcons (c, Qnil);
kb->kbd_queue_has_data = 1;
current_kboard = kb;
+ /* This is going to exit from read_char
+ so we had better get rid of this frame's stuff. */
+ UNGCPRO;
longjmp (wrong_kboard_jmpbuf, 1);
}
}
goto non_reread;
}
+ timer_start_idle ();
+
/* If in middle of key sequence and minibuffer not active,
start echoing if enough time elapses. */
This is because we are probably about to display a menu,
and we don't want to delay before doing so. */
if (EVENT_HAS_PARAMETERS (prev_event))
- echo ();
+ echo_now ();
else
{
save_getcjmp (save_jump);
restore_getcjmp (local_getcjmp);
- tem0 = sit_for (echo_keystrokes, 0, 1, 1);
+ tem0 = sit_for (echo_keystrokes, 0, 1, 1, 0);
restore_getcjmp (save_jump);
- if (EQ (tem0, Qt))
- echo ();
+ if (EQ (tem0, Qt)
+ && ! CONSP (Vunread_command_events))
+ echo_now ();
}
}
if (commandflag != 0
&& auto_save_interval > 0
- && num_nonmacro_input_chars - last_auto_save > max (auto_save_interval, 20)
- && !detect_input_pending ())
+ && num_nonmacro_input_events - last_auto_save > max (auto_save_interval, 20)
+ && !detect_input_pending_run_timers (0))
{
Fdo_auto_save (Qnil, Qnil);
/* Hooks can actually change some buffers in auto save. */
/* Don't bring up a menu if we already have another event. */
&& NILP (Vunread_command_events)
&& unread_command_char < 0)
- c = read_char_x_menu_prompt (nmaps, maps, prev_event, used_mouse_menu);
+ {
+ c = read_char_x_menu_prompt (nmaps, maps, prev_event, used_mouse_menu);
+
+ /* Now that we have read an event, Emacs is not idle. */
+ timer_stop_idle ();
+
+ RETURN_UNGCPRO (c);
+ }
/* Maybe autosave and/or garbage collect due to idleness. */
/* Auto save if enough time goes by without input. */
if (commandflag != 0
- && num_nonmacro_input_chars > last_auto_save
+ && num_nonmacro_input_events > last_auto_save
&& INTEGERP (Vauto_save_timeout)
&& XINT (Vauto_save_timeout) > 0)
{
Lisp_Object tem0;
- int delay = delay_level * XFASTINT (Vauto_save_timeout) / 4;
save_getcjmp (save_jump);
restore_getcjmp (local_getcjmp);
- tem0 = sit_for (delay, 0, 1, 1);
+ tem0 = sit_for (delay_level * XFASTINT (Vauto_save_timeout) / 4,
+ 0, 1, 1, 0);
restore_getcjmp (save_jump);
- if (EQ (tem0, Qt))
+ if (EQ (tem0, Qt)
+ && ! CONSP (Vunread_command_events))
{
Fdo_auto_save (Qnil, Qnil);
/* If we have auto-saved and there is still no input
available, garbage collect if there has been enough
consing going on to make it worthwhile. */
- if (!detect_input_pending ()
+ if (!detect_input_pending_run_timers (0)
&& consing_since_gc > gc_cons_threshold / 2)
Fgarbage_collect ();
}
}
+ /* If this has become non-nil here, it has been set by a timer
+ or sentinel or filter. */
+ if (CONSP (Vunread_command_events))
+ {
+ c = XCONS (Vunread_command_events)->car;
+ Vunread_command_events = XCONS (Vunread_command_events)->cdr;
+ }
+
/* Read something from current KBOARD's side queue, if possible. */
if (NILP (c))
= XCONS (current_kboard->kbd_queue)->cdr;
if (NILP (current_kboard->kbd_queue))
current_kboard->kbd_queue_has_data = 0;
- input_pending = readable_events ();
-#ifdef MULTI_FRAME
+ input_pending = readable_events (0);
if (EVENT_HAS_PARAMETERS (c)
&& EQ (EVENT_HEAD_KIND (EVENT_HEAD (c)), Qswitch_frame))
internal_last_event_frame = XCONS (XCONS (c)->cdr)->car;
Vlast_event_frame = internal_last_event_frame;
-#endif
}
}
if (kb->kbd_queue_has_data)
{
current_kboard = kb;
+ /* This is going to exit from read_char
+ so we had better get rid of this frame's stuff. */
+ UNGCPRO;
longjmp (wrong_kboard_jmpbuf, 1);
}
}
if (single_kboard)
goto wrong_kboard;
current_kboard = kb;
+ /* This is going to exit from read_char
+ so we had better get rid of this frame's stuff. */
+ UNGCPRO;
longjmp (wrong_kboard_jmpbuf, 1);
}
#endif
non_reread:
+ timer_stop_idle ();
+
start_polling ();
if (NILP (c))
{
if (commandflag >= 0
- && !input_pending && !detect_input_pending ())
+ && !input_pending && !detect_input_pending_run_timers (0))
redisplay ();
goto wrong_kboard;
non_reread_1:
/* Buffer switch events are only for internal wakeups
- so don't show them to the user. */
- if (BUFFERP (c))
- return c;
-
- if (key_already_recorded)
- return c;
+ so don't show them to the user.
+ Also, don't record a key if we already did. */
+ if (BUFFERP (c) || key_already_recorded)
+ RETURN_UNGCPRO (c);
/* Process special events within read_char
and loop around to read another event. */
if (!NILP (tem))
{
+ int was_locked = single_kboard;
+
last_input_char = c;
- Fcommand_execute (tem, Qnil, Fvector (1, &last_input_char));
+ Fcommand_execute (tem, Qnil, Fvector (1, &last_input_char), Qt);
+
+ /* Resume allowing input from any kboard, if that was true before. */
+ if (!was_locked)
+ any_kboard_state ();
+
goto retry;
}
/* Wipe the echo area. */
+ if (echo_area_glyphs)
+ safe_run_hooks (Qecho_area_clear_hook);
echo_area_glyphs = 0;
/* Handle things that only apply to characters. */
{
/* If kbd_buffer_get_event gave us an EOF, return that. */
if (XINT (c) == -1)
- return c;
+ RETURN_UNGCPRO (c);
if (STRINGP (Vkeyboard_translate_table)
- && XSTRING (Vkeyboard_translate_table)->size > XFASTINT (c))
+ && XSTRING (Vkeyboard_translate_table)->size > (unsigned) XFASTINT (c))
XSETINT (c, XSTRING (Vkeyboard_translate_table)->data[XFASTINT (c)]);
else if ((VECTORP (Vkeyboard_translate_table)
- && XVECTOR (Vkeyboard_translate_table)->size > XFASTINT (c))
- || CHAR_TABLE_P (Vkeyboard_translate_table))
+ && XVECTOR (Vkeyboard_translate_table)->size > (unsigned) XFASTINT (c))
+ || (CHAR_TABLE_P (Vkeyboard_translate_table)
+ && CHAR_TABLE_ORDINARY_SLOTS > (unsigned) XFASTINT (c)))
{
Lisp_Object d;
d = Faref (Vkeyboard_translate_table, c);
from_macro:
reread_first:
+
before_command_key_count = this_command_key_count;
before_command_echo_length = echo_length ();
/* Re-reading in the middle of a command */
reread:
last_input_char = c;
- num_input_chars++;
+ num_input_events++;
/* Process the help character specially if enabled */
if (!NILP (Vhelp_form) && help_char_p (c))
}
}
- return c;
+ RETURN_UNGCPRO (c);
+}
+
+/* Record a key that came from a mouse menu.
+ Record it for echoing, for this-command-keys, and so on. */
+
+static void
+record_menu_key (c)
+ Lisp_Object c;
+{
+ /* Wipe the echo area. */
+ echo_area_glyphs = 0;
+
+ record_char (c);
+
+ before_command_key_count = this_command_key_count;
+ before_command_echo_length = echo_length ();
+
+ /* Don't echo mouse motion events. */
+ if (echo_keystrokes)
+ {
+ echo_char (c);
+
+ /* Once we reread a character, echoing can happen
+ the next time we pause to read a new one. */
+ ok_to_echo_at_next_pause = 0;
+ }
+
+ /* Record this character as part of the current key. */
+ add_command_key (c);
+
+ /* Re-reading in the middle of a command */
+ last_input_char = c;
+ num_input_events++;
}
/* Return 1 if should recognize C as "the help character". */
store_kbd_macro_char (c);
- num_nonmacro_input_chars++;
+ num_nonmacro_input_events++;
}
Lisp_Object
input has been processed. If the only input available was
the sort that we have just disabled, then we need to call
redisplay. */
- if (!readable_events ())
+ if (!readable_events (1))
{
redisplay_preserve_echo_area ();
- get_input_pending (&input_pending);
+ get_input_pending (&input_pending, 1);
}
}
}
/* Return true iff there are any events in the queue that read-char
would return. If this returns false, a read-char would block. */
static int
-readable_events ()
+readable_events (do_timers_now)
+ int do_timers_now;
{
+ if (do_timers_now)
+ timer_check (do_timers_now);
+
if (kbd_fetch_ptr != kbd_store_ptr)
return 1;
#ifdef HAVE_MOUSE
}
#endif
-#ifdef MULTI_FRAME
/* If this results in a quit_char being returned to Emacs as
input, set Vlast_event_frame properly. If this doesn't
get returned to Emacs as an event, the next event read
internal_last_event_frame = focus;
Vlast_event_frame = focus;
}
-#endif
last_event_timestamp = event->timestamp;
interrupt_signal ();
{
register int c;
Lisp_Object obj;
+ EMACS_TIME next_timer_delay;
if (noninteractive)
{
#endif /* not VMS */
}
+ if (CONSP (Vunread_command_events))
+ {
+ Lisp_Object first;
+ first = XCONS (Vunread_command_events)->car;
+ Vunread_command_events = XCONS (Vunread_command_events)->cdr;
+ *kbp = current_kboard;
+ return first;
+ }
+
/* At this point, we know that there is a readable event available
somewhere. If the event queue is empty, then there must be a
mouse movement enabled and available. */
and process it again. */
copy = *event;
kbd_fetch_ptr = event + 1;
- input_pending = readable_events ();
+ input_pending = readable_events (0);
x_handle_selection_request (©);
#else
/* We're getting selection request events, but we don't have
/* Remove it from the buffer before processing it. */
copy = *event;
kbd_fetch_ptr = event + 1;
- input_pending = readable_events ();
+ input_pending = readable_events (0);
x_handle_selection_clear (©);
#else
/* We're getting selection request events, but we don't have
else if (event->kind == menu_bar_activate_event)
{
kbd_fetch_ptr = event + 1;
- input_pending = readable_events ();
- x_activate_menubar (XFRAME (event->frame_or_window));
+ input_pending = readable_events (0);
+ if (FRAME_LIVE_P (XFRAME (event->frame_or_window)))
+ x_activate_menubar (XFRAME (event->frame_or_window));
}
#endif
/* Just discard these, by returning nil.
time, and leave the event in the queue for next time. */
else
{
-#ifdef MULTI_FRAME
Lisp_Object frame;
Lisp_Object focus;
&& XFRAME (frame) != selected_frame)
obj = make_lispy_switch_frame (frame);
internal_last_event_frame = frame;
-#endif /* MULTI_FRAME */
/* If we didn't decide to make a switch-frame event, go ahead
and build a real event from the queue entry. */
obj = Qnil;
-#ifdef MULTI_FRAME
/* Decide if we should generate a switch-frame event. Don't
generate switch-frame events for motion outside of all Emacs
frames. */
obj = make_lispy_switch_frame (frame);
internal_last_event_frame = frame;
}
-#endif
/* If we didn't decide to make a switch-frame event, go ahead and
return a mouse-motion event. */
something for us to read! */
abort ();
- input_pending = readable_events ();
+ input_pending = readable_events (0);
-#ifdef MULTI_FRAME
Vlast_event_frame = internal_last_event_frame;
-#endif
return (obj);
}
then return, without reading any user-visible events. */
void
-swallow_events ()
+swallow_events (do_display)
+ int do_display;
{
+ int old_timers_run;
+
while (kbd_fetch_ptr != kbd_store_ptr)
{
struct input_event *event;
and process it again. */
copy = *event;
kbd_fetch_ptr = event + 1;
- input_pending = readable_events ();
+ input_pending = readable_events (0);
x_handle_selection_request (©);
#else
/* We're getting selection request events, but we don't have
copy = *event;
kbd_fetch_ptr = event + 1;
- input_pending = readable_events ();
+ input_pending = readable_events (0);
x_handle_selection_clear (©);
#else
/* We're getting selection request events, but we don't have
break;
}
- get_input_pending (&input_pending);
+ old_timers_run = timers_run;
+ get_input_pending (&input_pending, 1);
+
+ if (timers_run != old_timers_run && do_display)
+ redisplay_preserve_echo_area ();
+}
+\f
+static EMACS_TIME timer_idleness_start_time;
+
+/* Record the start of when Emacs is idle,
+ for the sake of running idle-time timers. */
+
+timer_start_idle ()
+{
+ Lisp_Object timers;
+
+ /* If we are already in the idle state, do nothing. */
+ if (! EMACS_TIME_NEG_P (timer_idleness_start_time))
+ return;
+
+ EMACS_GET_TIME (timer_idleness_start_time);
+
+ /* Mark all idle-time timers as once again candidates for running. */
+ for (timers = Vtimer_idle_list; CONSP (timers); timers = XCONS (timers)->cdr)
+ {
+ Lisp_Object timer;
+
+ timer = XCONS (timers)->car;
+
+ if (!VECTORP (timer) || XVECTOR (timer)->size != 8)
+ continue;
+ XVECTOR (timer)->contents[0] = Qnil;
+ }
+}
+
+/* Record that Emacs is no longer idle, so stop running idle-time timers. */
+
+timer_stop_idle ()
+{
+ EMACS_SET_SECS_USECS (timer_idleness_start_time, -1, -1);
+}
+
+/* This is only for debugging. */
+struct input_event last_timer_event;
+
+/* Check whether a timer has fired. To prevent larger problems we simply
+ disregard elements that are not proper timers. Do not make a circular
+ timer list for the time being.
+
+ Returns the number of seconds to wait until the next timer fires. If a
+ timer is triggering now, return zero seconds.
+ If no timer is active, return -1 seconds.
+
+ If a timer is ripe, we run it, with quitting turned off.
+
+ DO_IT_NOW is now ignored. It used to mean that we should
+ run the timer directly instead of queueing a timer-event.
+ Now we always run timers directly. */
+
+EMACS_TIME
+timer_check (do_it_now)
+ int do_it_now;
+{
+ EMACS_TIME nexttime;
+ EMACS_TIME now, idleness_now;
+ Lisp_Object timers, idle_timers, chosen_timer;
+ struct gcpro gcpro1, gcpro2, gcpro3;
+
+ EMACS_SET_SECS (nexttime, -1);
+ EMACS_SET_USECS (nexttime, -1);
+
+ /* Always consider the ordinary timers. */
+ timers = Vtimer_list;
+ /* Consider the idle timers only if Emacs is idle. */
+ if (! EMACS_TIME_NEG_P (timer_idleness_start_time))
+ idle_timers = Vtimer_idle_list;
+ else
+ idle_timers = Qnil;
+ chosen_timer = Qnil;
+ GCPRO3 (timers, idle_timers, chosen_timer);
+
+ if (CONSP (timers) || CONSP (idle_timers))
+ {
+ EMACS_GET_TIME (now);
+ if (! EMACS_TIME_NEG_P (timer_idleness_start_time))
+ EMACS_SUB_TIME (idleness_now, now, timer_idleness_start_time);
+ }
+
+ while (CONSP (timers) || CONSP (idle_timers))
+ {
+ int triggertime = EMACS_SECS (now);
+ Lisp_Object *vector;
+ Lisp_Object timer, idle_timer;
+ EMACS_TIME timer_time, idle_timer_time;
+ EMACS_TIME difference, timer_difference, idle_timer_difference;
+
+ /* Skip past invalid timers and timers already handled. */
+ if (!NILP (timers))
+ {
+ timer = XCONS (timers)->car;
+ if (!VECTORP (timer) || XVECTOR (timer)->size != 8)
+ {
+ timers = XCONS (timers)->cdr;
+ continue;
+ }
+ vector = XVECTOR (timer)->contents;
+
+ if (!INTEGERP (vector[1]) || !INTEGERP (vector[2])
+ || !INTEGERP (vector[3])
+ || ! NILP (vector[0]))
+ {
+ timers = XCONS (timers)->cdr;
+ continue;
+ }
+ }
+ if (!NILP (idle_timers))
+ {
+ timer = XCONS (idle_timers)->car;
+ if (!VECTORP (timer) || XVECTOR (timer)->size != 8)
+ {
+ idle_timers = XCONS (idle_timers)->cdr;
+ continue;
+ }
+ vector = XVECTOR (timer)->contents;
+
+ if (!INTEGERP (vector[1]) || !INTEGERP (vector[2])
+ || !INTEGERP (vector[3])
+ || ! NILP (vector[0]))
+ {
+ idle_timers = XCONS (idle_timers)->cdr;
+ continue;
+ }
+ }
+
+ /* Set TIMER, TIMER_TIME and TIMER_DIFFERENCE
+ based on the next ordinary timer.
+ TIMER_DIFFERENCE is the distance in time from NOW to when
+ this timer becomes ripe (negative if it's already ripe). */
+ if (!NILP (timers))
+ {
+ timer = XCONS (timers)->car;
+ vector = XVECTOR (timer)->contents;
+ EMACS_SET_SECS (timer_time,
+ (XINT (vector[1]) << 16) | (XINT (vector[2])));
+ EMACS_SET_USECS (timer_time, XINT (vector[3]));
+ EMACS_SUB_TIME (timer_difference, timer_time, now);
+ }
+
+ /* Set IDLE_TIMER, IDLE_TIMER_TIME and IDLE_TIMER_DIFFERENCE
+ based on the next idle timer. */
+ if (!NILP (idle_timers))
+ {
+ idle_timer = XCONS (idle_timers)->car;
+ vector = XVECTOR (idle_timer)->contents;
+ EMACS_SET_SECS (idle_timer_time,
+ (XINT (vector[1]) << 16) | (XINT (vector[2])));
+ EMACS_SET_USECS (idle_timer_time, XINT (vector[3]));
+ EMACS_SUB_TIME (idle_timer_difference, idle_timer_time, idleness_now);
+ }
+
+ /* Decide which timer is the next timer,
+ and set CHOSEN_TIMER, VECTOR and DIFFERENCE accordingly.
+ Also step down the list where we found that timer. */
+
+ if (! NILP (timers) && ! NILP (idle_timers))
+ {
+ EMACS_TIME temp;
+ EMACS_SUB_TIME (temp, timer_difference, idle_timer_difference);
+ if (EMACS_TIME_NEG_P (temp))
+ {
+ chosen_timer = timer;
+ timers = XCONS (timers)->cdr;
+ difference = timer_difference;
+ }
+ else
+ {
+ chosen_timer = idle_timer;
+ idle_timers = XCONS (idle_timers)->cdr;
+ difference = idle_timer_difference;
+ }
+ }
+ else if (! NILP (timers))
+ {
+ chosen_timer = timer;
+ timers = XCONS (timers)->cdr;
+ difference = timer_difference;
+ }
+ else
+ {
+ chosen_timer = idle_timer;
+ idle_timers = XCONS (idle_timers)->cdr;
+ difference = idle_timer_difference;
+ }
+ vector = XVECTOR (chosen_timer)->contents;
+
+ /* If timer is rupe, run it if it hasn't been run. */
+ if (EMACS_TIME_NEG_P (difference)
+ || (EMACS_SECS (difference) == 0
+ && EMACS_USECS (difference) == 0))
+ {
+ if (NILP (vector[0]))
+ {
+ Lisp_Object tem;
+ int was_locked = single_kboard;
+ int count = specpdl_ptr - specpdl;
+
+ /* Mark the timer as triggered to prevent problems if the lisp
+ code fails to reschedule it right. */
+ vector[0] = Qt;
+
+ specbind (Qinhibit_quit, Qt);
+
+ call1 (Qtimer_event_handler, chosen_timer);
+ timers_run++;
+
+ unbind_to (count, Qnil);
+
+ /* Resume allowing input from any kboard, if that was true before. */
+ if (!was_locked)
+ any_kboard_state ();
+
+ /* Since we have handled the event,
+ we don't need to tell the caller to wake up and do it. */
+ }
+ }
+ else
+ /* When we encounter a timer that is still waiting,
+ return the amount of time to wait before it is ripe. */
+ {
+ UNGCPRO;
+ return difference;
+ }
+ }
+
+ /* No timers are pending in the future. */
+ /* Return 0 if we generated an event, and -1 if not. */
+ UNGCPRO;
+ return nexttime;
}
\f
/* Caches for modify_event_symbol. */
0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
- 0, /* VK_LWIN 0x5B */
- 0, /* VK_RWIN 0x5C */
- 0, /* VK_APPS 0x5D */
+ "lwindow", /* VK_LWIN 0x5B */
+ "rwindow", /* VK_RWIN 0x5C */
+ "apps", /* VK_APPS 0x5D */
0, 0, /* 0x5E .. 0x5F */
"kp-numlock", /* VK_NUMLOCK 0x90 */
"scroll", /* VK_SCROLL 0x91 */
- 0, 0, 0, 0, 0, /* 0x92 .. 0x96 */
- 0, 0, 0, 0, 0, /* 0x97 .. 0x9B */
- 0, 0, 0, 0, /* 0x9C .. 0x9F */
-
+ "kp-space", /* VK_NUMPAD_CLEAR 0x92 */
+ "kp-enter", /* VK_NUMPAD_ENTER 0x93 */
+ "kp-prior", /* VK_NUMPAD_PRIOR 0x94 */
+ "kp-next", /* VK_NUMPAD_NEXT 0x95 */
+ "kp-end", /* VK_NUMPAD_END 0x96 */
+ "kp-home", /* VK_NUMPAD_HOME 0x97 */
+ "kp-left", /* VK_NUMPAD_LEFT 0x98 */
+ "kp-up", /* VK_NUMPAD_UP 0x99 */
+ "kp-right", /* VK_NUMPAD_RIGHT 0x9A */
+ "kp-down", /* VK_NUMPAD_DOWN 0x9B */
+ "kp-insert", /* VK_NUMPAD_INSERT 0x9C */
+ "kp-delete", /* VK_NUMPAD_DELETE 0x9D */
+
+ 0, 0, /* 0x9E .. 0x9F */
+
/*
* VK_L* & VK_R* - left and right Alt, Ctrl and Shift virtual keys.
* Used only as parameters to GetAsyncKeyState() and GetKeyState().
"oem_clear", /* VK_OEM_CLEAR 0xFE */
};
-#else
+#else /* not HAVE_NTGUI */
+
+#ifdef XK_kana_A
+static char *lispy_kana_keys[] =
+ {
+ /* X Keysym value */
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x400 .. 0x40f */
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x410 .. 0x41f */
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x420 .. 0x42f */
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x430 .. 0x43f */
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x440 .. 0x44f */
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x450 .. 0x45f */
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x460 .. 0x46f */
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,"overline",0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x480 .. 0x48f */
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x490 .. 0x49f */
+ 0, "kana-fullstop", "kana-openingbracket", "kana-closingbracket",
+ "kana-comma", "kana-conjunctive", "kana-WO", "kana-a",
+ "kana-i", "kana-u", "kana-e", "kana-o",
+ "kana-ya", "kana-yu", "kana-yo", "kana-tsu",
+ "prolongedsound", "kana-A", "kana-I", "kana-U",
+ "kana-E", "kana-O", "kana-KA", "kana-KI",
+ "kana-KU", "kana-KE", "kana-KO", "kana-SA",
+ "kana-SHI", "kana-SU", "kana-SE", "kana-SO",
+ "kana-TA", "kana-CHI", "kana-TSU", "kana-TE",
+ "kana-TO", "kana-NA", "kana-NI", "kana-NU",
+ "kana-NE", "kana-NO", "kana-HA", "kana-HI",
+ "kana-FU", "kana-HE", "kana-HO", "kana-MA",
+ "kana-MI", "kana-MU", "kana-ME", "kana-MO",
+ "kana-YA", "kana-YU", "kana-YO", "kana-RA",
+ "kana-RI", "kana-RU", "kana-RE", "kana-RO",
+ "kana-WA", "kana-N", "voicedsound", "semivoicedsound",
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x4e0 .. 0x4ef */
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x4f0 .. 0x4ff */
+ };
+#endif /* XK_kana_A */
#define FUNCTION_KEY_OFFSET 0xff00
0, 0, 0, 0, 0, 0, 0,
"escape",
0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xff20...2f */
+ 0, "kanji", "muhenkan",
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xff20...2f */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xff30...3f */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xff40...4f */
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, /* 0xfff0 */
0, 0, 0, 0, 0, 0, 0, "delete"
- };
+ };
-#endif /* HAVE_NTGUI */
+/* ISO 9995 Function and Modifier Keys; the first byte is 0xFE. */
+#define ISO_FUNCTION_KEY_OFFSET 0xfe00
+
+static char *iso_lispy_function_keys[] =
+ {
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0xfe00 */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0xfe08 */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0xfe10 */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0xfe18 */
+ "iso-lefttab", /* 0xfe20 */
+ "iso-move-line-up", "iso-move-line-down",
+ "iso-partial-line-up", "iso-partial-line-down",
+ "iso-partial-space-left", "iso-partial-space-right",
+ "iso-set-margin-left", "iso-set-margin-right", /* 0xffe27, 28 */
+ "iso-release-margin-left", "iso-release-margin-right",
+ "iso-release-both-margins",
+ "iso-fast-cursor-left", "iso-fast-cursor-right",
+ "iso-fast-cursor-up", "iso-fast-cursor-down",
+ "iso-continuous-underline", "iso-discontinuous-underline", /* 0xfe30, 31 */
+ "iso-emphasize", "iso-center-object", "iso-enter", /* ... 0xfe34 */
+ };
+
+#endif /* not HAVE_NTGUI */
static char *lispy_mouse_names[] =
{
/* Scroll bar parts. */
Lisp_Object Qabove_handle, Qhandle, Qbelow_handle;
+Lisp_Object Qup, Qdown;
/* An array of scroll bar parts, indexed by an enum scroll_bar_part value. */
Lisp_Object *scroll_bar_parts[] = {
- &Qabove_handle, &Qhandle, &Qbelow_handle
+ &Qabove_handle, &Qhandle, &Qbelow_handle,
+ &Qup, &Qdown,
};
c |= (event->modifiers
& (meta_modifier | alt_modifier
| hyper_modifier | super_modifier));
+ /* Distinguish Shift-SPC from SPC. */
+ if ((event->code & 0377) == 040
+ && event->modifiers & shift_modifier)
+ c |= shift_modifier;
button_down_time = 0;
XSETFASTINT (lispy_c, c);
return lispy_c;
(unsigned)-1);
}
- return modify_event_symbol (event->code - FUNCTION_KEY_OFFSET,
- event->modifiers,
- Qfunction_key, Qnil,
- lispy_function_keys, &func_key_syms,
- (sizeof (lispy_function_keys)
- / sizeof (lispy_function_keys[0])));
- break;
+#ifdef XK_kana_A
+ if (event->code >= 0x400 && event->code < 0x500)
+ return modify_event_symbol (event->code - 0x400,
+ event->modifiers & ~shift_modifier,
+ Qfunction_key, Qnil,
+ lispy_kana_keys, &func_key_syms,
+ (sizeof (lispy_kana_keys)
+ / sizeof (lispy_kana_keys[0])));
+#endif /* XK_kana_A */
+
+#ifdef ISO_FUNCTION_KEY_OFFSET
+ if (event->code < FUNCTION_KEY_OFFSET
+ && event->code >= ISO_FUNCTION_KEY_OFFSET)
+ return modify_event_symbol (event->code - ISO_FUNCTION_KEY_OFFSET,
+ event->modifiers,
+ Qfunction_key, Qnil,
+ iso_lispy_function_keys, &func_key_syms,
+ (sizeof (iso_lispy_function_keys)
+ / sizeof (iso_lispy_function_keys[0])));
+ else
+#endif
+ return modify_event_symbol (event->code - FUNCTION_KEY_OFFSET,
+ event->modifiers,
+ Qfunction_key, Qnil,
+ lispy_function_keys, &func_key_syms,
+ (sizeof (lispy_function_keys)
+ / sizeof (lispy_function_keys[0])));
#ifdef HAVE_MOUSE
/* A mouse click. Figure out where it is, decide whether it's
item = Qnil;
items = FRAME_MENU_BAR_ITEMS (f);
- for (i = 0; i < XVECTOR (items)->size; i += 3)
+ for (i = 0; i < XVECTOR (items)->size; i += 4)
{
Lisp_Object pos, string;
string = XVECTOR (items)->contents[i + 1];
- pos = XVECTOR (items)->contents[i + 2];
+ pos = XVECTOR (items)->contents[i + 3];
if (NILP (string))
break;
if (column >= XINT (pos)
else
{
int pixcolumn, pixrow;
- column -= XINT (XWINDOW (window)->left);
+ column -= WINDOW_LEFT_MARGIN (XWINDOW (window));
row -= XINT (XWINDOW (window)->top);
glyph_to_pixel_coords (f, column, row, &pixcolumn, &pixrow);
XSETINT (event->x, pixcolumn);
portion_whole = Fcons (event->x, event->y);
part = *scroll_bar_parts[(int) event->part];
- position =
- Fcons (window,
- Fcons (Qvertical_scroll_bar,
- Fcons (portion_whole,
- Fcons (make_number (event->timestamp),
- Fcons (part, Qnil)))));
+ position
+ = Fcons (window,
+ Fcons (Qvertical_scroll_bar,
+ Fcons (portion_whole,
+ Fcons (make_number (event->timestamp),
+ Fcons (part, Qnil)))));
}
start_pos_ptr = &XVECTOR (button_down_location)->contents[button];
Qnil));
}
}
+
+#ifdef WINDOWSNT
+ case w32_scroll_bar_click:
+ {
+ int button = event->code;
+ int is_double;
+ Lisp_Object position;
+ Lisp_Object *start_pos_ptr;
+ Lisp_Object start_pos;
+
+ if (button < 0 || button >= NUM_MOUSE_BUTTONS)
+ abort ();
+
+ {
+ Lisp_Object window;
+ Lisp_Object portion_whole;
+ Lisp_Object part;
+
+ window = event->frame_or_window;
+ portion_whole = Fcons (event->x, event->y);
+ part = *scroll_bar_parts[(int) event->part];
+
+ position =
+ Fcons (window,
+ Fcons (Qvertical_scroll_bar,
+ Fcons (portion_whole,
+ Fcons (make_number (event->timestamp),
+ Fcons (part, Qnil)))));
+ }
+
+ /* Always treat W32 scroll bar events as clicks. */
+ event->modifiers |= click_modifier;
+
+ {
+ /* Get the symbol we should use for the mouse click. */
+ Lisp_Object head;
+
+ head = modify_event_symbol (button,
+ event->modifiers,
+ Qmouse_click, Qnil,
+ lispy_mouse_names, &mouse_syms,
+ (sizeof (lispy_mouse_names)
+ / sizeof (lispy_mouse_names[0])));
+ return Fcons (head,
+ Fcons (position,
+ Qnil));
+ }
+ }
+#endif
+
#endif /* HAVE_MOUSE */
#if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI)
Lisp_Object x, y;
unsigned long time;
{
-#ifdef MULTI_FRAME
/* Is it a scroll bar movement? */
if (frame && ! NILP (bar_window))
{
/* Or is it an ordinary mouse movement? */
else
-#endif /* MULTI_FRAME */
{
int area;
Lisp_Object window;
Lisp_Object posn;
int column, row;
-#ifdef MULTI_FRAME
if (frame)
-#else
- if (1)
-#endif
{
/* It's in a frame; which window on that frame? */
pixel_to_glyph_coords (frame, XINT (x), XINT (y), &column, &row,
if (WINDOWP (window))
{
int pixcolumn, pixrow;
- column -= XINT (XWINDOW (window)->left);
+ column -= WINDOW_LEFT_MARGIN (XWINDOW (window));
row -= XINT (XWINDOW (window)->top);
glyph_to_pixel_coords (frame, column, row, &pixcolumn, &pixrow);
XSETINT (x, pixcolumn);
XSETINT (posn,
buffer_posn_from_coords (XWINDOW (window), column, row));
}
-#ifdef MULTI_FRAME
else if (frame != 0)
{
XSETFRAME (window, frame);
posn = Qnil;
}
-#endif
else
{
window = Qnil;
/* No; let's create it. */
if (!NILP (name_alist))
value = Fcdr_safe (Fassq (symbol_int, name_alist));
- else if (name_table[symbol_num])
+ else if (name_table != 0 && name_table[symbol_num])
value = intern (name_table[symbol_num]);
#ifdef HAVE_WINDOW_SYSTEM
}
if (CONSP (*symbol_table))
- *symbol_table = Fcons (value, *symbol_table);
+ *symbol_table = Fcons (Fcons (symbol_int, value), *symbol_table);
else
XVECTOR (*symbol_table)->contents[symbol_num] = value;
event type as a number or a symbol. */
DEFUN ("event-convert-list", Fevent_convert_list, Sevent_convert_list, 1, 1, 0,
- "Convert the event description LIST to an event type.\n\
-LIST should contain one base event type (a character or symbol)\n\
+ "Convert the event description list EVENT-DESC to an event type.\n\
+EVENT-DESC should contain one base event type (a character or symbol)\n\
and zero or more modifier names (control, meta, hyper, super, shift, alt,\n\
-drag, down, double or triple).\n\
+drag, down, double or triple). The base must be last.\n\
The return value is an event type (a character or symbol) which\n\
has the same base event type and all the specified modifiers.")
- (event)
- Lisp_Object event;
+ (event_desc)
+ Lisp_Object event_desc;
{
Lisp_Object base;
int modifiers = 0;
Lisp_Object rest;
base = Qnil;
- rest = event;
+ rest = event_desc;
while (CONSP (rest))
{
Lisp_Object elt;
int this = 0;
elt = XCONS (rest)->car;
+ rest = XCONS (rest)->cdr;
/* Given a symbol, see if it is a modifier name. */
- if (SYMBOLP (elt))
+ if (SYMBOLP (elt) && CONSP (rest))
this = parse_solitary_modifier (elt);
if (this != 0)
else
base = elt;
- rest = XCONS (rest)->cdr;
}
/* Let the symbol A refer to the character A. */
/* Store into *addr a value nonzero if terminal input chars are available.
Serves the purpose of ioctl (0, FIONREAD, addr)
but works even if FIONREAD does not exist.
- (In fact, this may actually read some input.) */
+ (In fact, this may actually read some input.)
+
+ If DO_TIMERS_NOW is nonzero, actually run timer events that are ripe. */
static void
-get_input_pending (addr)
+get_input_pending (addr, do_timers_now)
int *addr;
+ int do_timers_now;
{
/* First of all, have we already counted some input? */
- *addr = !NILP (Vquit_flag) || readable_events ();
+ *addr = !NILP (Vquit_flag) || readable_events (do_timers_now);
/* If input is being read as it arrives, and we have none, there is none. */
if (*addr > 0 || (interrupt_input && ! interrupts_deferred))
/* Try to read some input and see how much we get. */
gobble_input (0);
- *addr = !NILP (Vquit_flag) || readable_events ();
+ *addr = !NILP (Vquit_flag) || readable_events (do_timers_now);
}
/* Interface to read_avail_input, blocking SIGIO or SIGALRM if necessary. */
if (interrupt_input)
{
SIGMASKTYPE mask;
- mask = sigblockx (SIGIO);
+ mask = sigblock (sigmask (SIGIO));
read_avail_input (expected);
sigsetmask (mask);
}
if (read_socket_hook && !interrupt_input && poll_suppress_count == 0)
{
SIGMASKTYPE mask;
- mask = sigblockx (SIGALRM);
+ mask = sigblock (sigmask (SIGALRM));
read_avail_input (expected);
sigsetmask (mask);
}
if (interrupt_input)
{
SIGMASKTYPE mask;
- mask = sigblockx (SIGIO);
+ mask = sigblock (sigmask (SIGIO));
kbd_buffer_store_event (&event);
sigsetmask (mask);
}
if (read_socket_hook)
/* No need for FIONREAD or fcntl; just say don't wait. */
- nread = (*read_socket_hook) (input_fd, buf, KBD_BUFFER_SIZE,
- expected, expected);
+ nread = (*read_socket_hook) (input_fd, buf, KBD_BUFFER_SIZE, expected);
else
{
/* Using KBD_BUFFER_SIZE - 1 here avoids reading more than
#else
nread = read (input_fd, cbuf, n_to_read);
#endif
+ /* POSIX infers that processes which are not in the session leader's
+ process group won't get SIGHUP's at logout time. BSDI adheres to
+ this part standard and returns -1 from read(0) with errno==EIO
+ when the control tty is taken away.
+ Jeffrey Honig <jch@bsdi.com> says this is generally safe. */
+ if (nread == -1 && errno == EIO)
+ kill (0, SIGHUP);
#if defined (AIX) && (! defined (aix386) && defined (_BSD))
/* The kernel sometimes fails to deliver SIGHUP for ptys.
This looks incorrect, but it isn't, because _BSD causes
cbuf[i] &= ~0x80;
buf[i].code = cbuf[i];
-#ifdef MULTI_FRAME
XSETFRAME (buf[i].frame_or_window, selected_frame);
-#else
- buf[i].frame_or_window = Qnil;
-#endif
}
}
extern int select_alarmed;
#endif
-#ifdef USG
+#if defined (USG) && !defined (POSIX_SIGNALS)
/* USG systems forget handlers when they are used;
must reestablish each time */
signal (signo, input_available_signal);
reinvoke_input_signal ()
{
#ifdef SIGIO
- kill (0, SIGIO);
+ kill (getpid (), SIGIO);
#endif
}
for (mapno = nmaps - 1; mapno >= 0; mapno--)
{
if (! NILP (maps[mapno]))
- def = get_keyelt (access_keymap (maps[mapno], Qmenu_bar, 1, 0));
+ def = get_keyelt (access_keymap (maps[mapno], Qmenu_bar, 1, 0), 0);
else
def = Qnil;
int i;
int end = menu_bar_items_index;
- for (i = 0; i < end; i += 3)
+ for (i = 0; i < end; i += 4)
if (EQ (XCONS (tail)->car, XVECTOR (menu_bar_items_vector)->contents[i]))
{
- Lisp_Object tem0, tem1, tem2;
+ Lisp_Object tem0, tem1, tem2, tem3;
/* Move the item at index I to the end,
shifting all the others forward. */
tem0 = XVECTOR (menu_bar_items_vector)->contents[i + 0];
tem1 = XVECTOR (menu_bar_items_vector)->contents[i + 1];
tem2 = XVECTOR (menu_bar_items_vector)->contents[i + 2];
- if (end > i + 3)
- bcopy (&XVECTOR (menu_bar_items_vector)->contents[i + 3],
+ tem3 = XVECTOR (menu_bar_items_vector)->contents[i + 3];
+ if (end > i + 4)
+ bcopy (&XVECTOR (menu_bar_items_vector)->contents[i + 4],
&XVECTOR (menu_bar_items_vector)->contents[i],
- (end - i - 3) * sizeof (Lisp_Object));
- XVECTOR (menu_bar_items_vector)->contents[end - 3] = tem0;
- XVECTOR (menu_bar_items_vector)->contents[end - 2] = tem1;
- XVECTOR (menu_bar_items_vector)->contents[end - 1] = tem2;
+ (end - i - 4) * sizeof (Lisp_Object));
+ XVECTOR (menu_bar_items_vector)->contents[end - 4] = tem0;
+ XVECTOR (menu_bar_items_vector)->contents[end - 3] = tem1;
+ XVECTOR (menu_bar_items_vector)->contents[end - 2] = tem2;
+ XVECTOR (menu_bar_items_vector)->contents[end - 1] = tem3;
break;
}
}
- /* Add nil, nil, nil at the end. */
+ /* Add nil, nil, nil, nil at the end. */
i = menu_bar_items_index;
- if (i + 3 > XVECTOR (menu_bar_items_vector)->size)
+ if (i + 4 > XVECTOR (menu_bar_items_vector)->size)
{
Lisp_Object tem;
int newsize = 2 * i;
XVECTOR (menu_bar_items_vector)->contents[i++] = Qnil;
XVECTOR (menu_bar_items_vector)->contents[i++] = Qnil;
XVECTOR (menu_bar_items_vector)->contents[i++] = Qnil;
+ XVECTOR (menu_bar_items_vector)->contents[i++] = Qnil;
menu_bar_items_index = i;
Vinhibit_quit = oquit;
Lisp_Object enabled;
int i;
+ /* Skip menu-bar equiv keys data. */
+ if (CONSP (def) && CONSP (XCONS (def)->car))
+ def = XCONS (def)->cdr;
+
if (EQ (def, Qundefined))
{
/* If a map has an explicit `undefined' as definition,
discard any previously made menu bar item. */
- for (i = 0; i < menu_bar_items_index; i += 3)
+ for (i = 0; i < menu_bar_items_index; i += 4)
if (EQ (key, XVECTOR (menu_bar_items_vector)->contents[i]))
{
- if (menu_bar_items_index > i + 3)
- bcopy (&XVECTOR (menu_bar_items_vector)->contents[i + 3],
+ if (menu_bar_items_index > i + 4)
+ bcopy (&XVECTOR (menu_bar_items_vector)->contents[i + 4],
&XVECTOR (menu_bar_items_vector)->contents[i],
- (menu_bar_items_index - i - 3) * sizeof (Lisp_Object));
- menu_bar_items_index -= 3;
+ (menu_bar_items_index - i - 4) * sizeof (Lisp_Object));
+ menu_bar_items_index -= 4;
return;
}
return;
/* Find any existing item for this KEY. */
- for (i = 0; i < menu_bar_items_index; i += 3)
+ for (i = 0; i < menu_bar_items_index; i += 4)
if (EQ (key, XVECTOR (menu_bar_items_vector)->contents[i]))
break;
if (i == menu_bar_items_index)
{
/* If vector is too small, get a bigger one. */
- if (i + 3 > XVECTOR (menu_bar_items_vector)->size)
+ if (i + 4 > XVECTOR (menu_bar_items_vector)->size)
{
Lisp_Object tem;
int newsize = 2 * i;
XVECTOR (menu_bar_items_vector)->contents[i++] = key;
XVECTOR (menu_bar_items_vector)->contents[i++] = item_string;
XVECTOR (menu_bar_items_vector)->contents[i++] = Fcons (def, Qnil);
+ XVECTOR (menu_bar_items_vector)->contents[i++] = make_number (0);
menu_bar_items_index = i;
}
/* We did find an item for this KEY. Add DEF to its list of maps. */
if (mapno >= nmaps)
return Qnil;
-#if (defined (HAVE_X_WINDOWS) && defined (HAVE_X_MENU)) || defined (MSDOS) || defined (HAVE_NTGUI)
+#ifdef HAVE_MENUS
/* If we got to this point via a mouse click,
use a real menu for mouse selection. */
if (EVENT_HAS_PARAMETERS (prev_event)
{
Lisp_Object tem;
+ record_menu_key (XCONS (value)->car);
+
/* If we got multiple events, unread all but
the first.
There is no way to prevent those unread events
they won't confuse things. */
for (tem = XCONS (value)->cdr; !NILP (tem);
tem = XCONS (tem)->cdr)
- if (SYMBOLP (XCONS (tem)->car)
- || INTEGERP (XCONS (tem)->car))
- XCONS (tem)->car
- = Fcons (XCONS (tem)->car, Qnil);
+ {
+ record_menu_key (XCONS (tem)->car);
+ if (SYMBOLP (XCONS (tem)->car)
+ || INTEGERP (XCONS (tem)->car))
+ XCONS (tem)->car
+ = Fcons (XCONS (tem)->car, Qnil);
+ }
/* If we got more than one event, put all but the first
onto this list to be read later.
*used_mouse_menu = 1;
return value;
}
-#endif /* (HAVE_X_WINDOWS && HAVE_X_MENU) || MSDOS || HAVE_NTGUI */
+#endif /* HAVE_MENUS */
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 int read_char_minibuf_menu_width;
+
static Lisp_Object
read_char_minibuf_menu_prompt (commandflag, nmaps, maps)
int commandflag ;
register Lisp_Object name;
int nlength;
int width = FRAME_WIDTH (selected_frame) - 4;
- char *menu = (char *) alloca (width + 4);
int idx = -1;
int nobindings = 1;
Lisp_Object rest, vector;
+ char *menu;
if (! menu_prompting)
return Qnil;
+ /* Make sure we have a big enough buffer for the menu text. */
+ if (read_char_minibuf_menu_text == 0)
+ {
+ read_char_minibuf_menu_width = width + 4;
+ read_char_minibuf_menu_text = (char *) xmalloc (width + 4);
+ }
+ else if (width + 4 > read_char_minibuf_menu_width)
+ {
+ read_char_minibuf_menu_width = width + 4;
+ read_char_minibuf_menu_text
+ = (char *) xrealloc (read_char_minibuf_menu_text, width + 4);
+ }
+ menu = read_char_minibuf_menu_text;
+
/* Get the menu name from the first map that has one (a prompt string). */
for (mapno = 0; mapno < nmaps; mapno++)
{
{
Lisp_Object def;
def = get_keyelt (access_keymap (current[i],
- meta_prefix_char, 1, 0));
+ meta_prefix_char, 1, 0), 0);
/* Note that since we pass the resulting bindings through
get_keymap_1, non-prefix bindings for meta-prefix-char
else
map = current[i];
- defs[i] = get_keyelt (access_keymap (map, key, 1, 0));
+ defs[i] = get_keyelt (access_keymap (map, key, 1, 0), 0);
if (! NILP (defs[i]))
first_binding = i;
}
If the user switches frames in the midst of a key sequence, we put
off the switch-frame event until later; the next call to
- read_char will return it. */
+ read_char will return it.
+
+ If FIX_CURRENT_BUFFER is nonzero, we restore current_buffer
+ from the selected window's buffer. */
static int
read_key_sequence (keybuf, bufsize, prompt, dont_downcase_last,
- can_return_switch_frame)
+ can_return_switch_frame, fix_current_buffer)
Lisp_Object *keybuf;
int bufsize;
Lisp_Object prompt;
int dont_downcase_last;
int can_return_switch_frame;
+ int fix_current_buffer;
{
int count = specpdl_ptr - specpdl;
/* Save the status of key translation before each step,
so that we can restore this after downcasing. */
Lisp_Object prev_fkey_map;
- Lisp_Object prev_fkey_start;
- Lisp_Object prev_fkey_end;
+ int prev_fkey_start;
+ int prev_fkey_end;
Lisp_Object prev_keytran_map;
- Lisp_Object prev_keytran_start;
- Lisp_Object prev_keytran_end;
+ int prev_keytran_start;
+ int prev_keytran_end;
int junk;
if (INTERACTIVE)
echo_start = echo_length ();
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
if (BUFFERP (key))
{
mock_input = t;
+ /* Reset the current buffer from the selected window
+ in case something changed the former and not the latter.
+ This is to be more consistent with the behavior
+ of the command_loop_1. */
+ if (fix_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);
goto replay_sequence;
}
if (!used_mouse_menu)
last_nonmenu_event = key;
+ /* Record what part of this_command_keys is the current key sequence. */
+ this_single_command_key_start = this_command_key_count - t;
+
prev_fkey_map = fkey_map;
prev_fkey_start = fkey_start;
prev_fkey_end = fkey_end;
fkey_next
= get_keymap_1
(get_keyelt
- (access_keymap (fkey_map, meta_prefix_char, 1, 0)),
+ (access_keymap (fkey_map, meta_prefix_char, 1, 0), 0),
0, 1);
XSETFASTINT (key, XFASTINT (key) & ~meta_modifier);
}
fkey_next = fkey_map;
fkey_next
- = get_keyelt (access_keymap (fkey_next, key, 1, 0));
+ = get_keyelt (access_keymap (fkey_next, key, 1, 0), 0);
#if 0 /* I didn't turn this on, because it might cause trouble
for the mapping of return into C-m and tab into C-i. */
(To ignore it safely, we would need to gcpro a bunch of
other variables.) */
if (! (VECTORP (fkey_next) || STRINGP (fkey_next)))
- error ("Function in function-key-map returns invalid key sequence");
+ error ("Function in key-translation-map returns invalid key sequence");
}
function_key_possible = ! NILP (fkey_next);
keytran_next
= get_keymap_1
(get_keyelt
- (access_keymap (keytran_map, meta_prefix_char, 1, 0)),
+ (access_keymap (keytran_map, meta_prefix_char, 1, 0), 0),
0, 1);
XSETFASTINT (key, XFASTINT (key) & ~meta_modifier);
}
keytran_next = keytran_map;
keytran_next
- = get_keyelt (access_keymap (keytran_next, key, 1, 0));
+ = get_keyelt (access_keymap (keytran_next, key, 1, 0), 0);
/* If the key translation map gives a function, not an
array, then call the function with no args and use
original_uppercase = key;
original_uppercase_position = t - 1;
- if (XINT (new_key) & shift_modifier)
+ if (XINT (key) & shift_modifier)
XSETINT (new_key, XINT (key) & ~shift_modifier);
else
XSETINT (new_key, (DOWNCASE (XINT (key) & 0x3ffff)
gcpro1.nvars = (sizeof keybuf/sizeof (keybuf[0]));
if (NILP (continue_echo))
- this_command_key_count = 0;
+ {
+ this_command_key_count = 0;
+ this_single_command_key_start = 0;
+ }
i = read_key_sequence (keybuf, (sizeof keybuf/sizeof (keybuf[0])),
prompt, ! NILP (dont_downcase_last),
- ! NILP (can_return_switch_frame));
+ ! NILP (can_return_switch_frame), 0);
if (i == -1)
{
return make_event_array (i, keybuf);
}
\f
-DEFUN ("command-execute", Fcommand_execute, Scommand_execute, 1, 3, 0,
+DEFUN ("command-execute", Fcommand_execute, Scommand_execute, 1, 4, 0,
"Execute CMD as an editor command.\n\
CMD must be a symbol that satisfies the `commandp' predicate.\n\
Optional second arg RECORD-FLAG non-nil\n\
means unconditionally put this command in `command-history'.\n\
Otherwise, that is done only if an arg is read using the minibuffer.\n\
The argument KEYS specifies the value to use instead of (this-command-keys)\n\
-when reading the arguments; if it is nil, (this_command_key_count) is used.")
- (cmd, record, keys)
- Lisp_Object cmd, record, keys;
+when reading the arguments; if it is nil, (this-command-keys) is used.\n\
+The argument SPECIAL, if non-nil, means that this command is executing\n\
+a special event, so ignore the prefix argument and don't clear it.")
+ (cmd, record_flag, keys, special)
+ Lisp_Object cmd, record_flag, keys, special;
{
register Lisp_Object final;
register Lisp_Object tem;
struct backtrace backtrace;
extern int debug_on_next_call;
- prefixarg = current_kboard->Vprefix_arg;
- current_kboard->Vprefix_arg = Qnil;
- Vcurrent_prefix_arg = prefixarg;
debug_on_next_call = 0;
+ if (NILP (special))
+ {
+ prefixarg = current_kboard->Vprefix_arg;
+ Vcurrent_prefix_arg = prefixarg;
+ current_kboard->Vprefix_arg = Qnil;
+ }
+ else
+ prefixarg = Qnil;
+
if (SYMBOLP (cmd))
{
tem = Fget (cmd, Qdisabled);
final = Findirect_function (cmd);
if (CONSP (final) && (tem = Fcar (final), EQ (tem, Qautoload)))
- do_autoload (final, cmd);
+ {
+ struct gcpro gcpro1, gcpro2;
+
+ GCPRO2 (cmd, prefixarg);
+ do_autoload (final, cmd);
+ UNGCPRO;
+ }
else
break;
}
/* If requested, place the macro in the command history. For
other sorts of commands, call-interactively takes care of
this. */
- if (!NILP (record))
+ if (!NILP (record_flag))
Vcommand_history
= Fcons (Fcons (Qexecute_kbd_macro,
Fcons (final, Fcons (prefixarg, Qnil))),
backtrace.nargs = 1;
backtrace.evalargs = 0;
- tem = Fcall_interactively (cmd, record, keys);
+ tem = Fcall_interactively (cmd, record_flag, keys);
backtrace_list = backtrace.next;
return tem;
Lisp_Object function;
char buf[40];
Lisp_Object saved_keys;
- struct gcpro gcpro1;
+ Lisp_Object bindings, value;
+ struct gcpro gcpro1, gcpro2;
saved_keys = Fvector (this_command_key_count,
XVECTOR (this_command_keys)->contents);
buf[0] = 0;
- GCPRO1 (saved_keys);
+ GCPRO2 (saved_keys, prefixarg);
if (EQ (prefixarg, Qminus))
strcpy (buf, "- ");
history list. */
function = Fcompleting_read (build_string (buf),
Vobarray, Qcommandp,
- Qt, Qnil, Qextended_command_history);
+ Qt, Qnil, Qextended_command_history, Qnil);
+
+ if (STRINGP (function) && XSTRING (function)->size == 0)
+ error ("No command name given");
/* Set this_command_keys to the concatenation of saved_keys and
function, followed by a RET. */
Lisp_Object tem;
this_command_key_count = 0;
+ this_single_command_key_start = 0;
keys = XVECTOR (saved_keys)->contents;
for (i = 0; i < XVECTOR (saved_keys)->size; i++)
/* If enabled, show which key runs this command. */
if (!NILP (Vsuggest_key_bindings)
+ && NILP (Vexecuting_macro)
&& SYMBOLP (function))
- {
- Lisp_Object bindings;
+ bindings = Fwhere_is_internal (function, Voverriding_local_map,
+ Qt, Qnil);
+ else
+ bindings = Qnil;
- bindings = Fwhere_is_internal (function, Voverriding_local_map,
- Qt, Qnil);
+ value = Qnil;
+ GCPRO2 (bindings, value);
+ value = Fcommand_execute (function, Qt, Qnil, Qnil);
- if (!NILP (bindings))
+ /* If the command has a key binding, print it now. */
+ if (!NILP (bindings))
+ {
+ /* But first wait, and skip the message if there is input. */
+ if (!NILP (Fsit_for ((NUMBERP (Vsuggest_key_bindings)
+ ? Vsuggest_key_bindings : make_number (2)),
+ Qnil, Qnil))
+ && ! CONSP (Vunread_command_events))
{
- message ("You can run the command `%s' by typing %s",
+ Lisp_Object binding;
+ char *newmessage;
+ char *oldmessage = echo_area_glyphs;
+ int oldmessage_len = echo_area_glyphs_length;
+
+ binding = Fkey_description (bindings);
+
+ newmessage
+ = (char *) alloca (XSYMBOL (function)->name->size
+ + XSTRING (binding)->size
+ + 100);
+ sprintf (newmessage, "You can run the command `%s' by typing %s",
XSYMBOL (function)->name->data,
- XSTRING (Fkey_description (bindings))->data);
- Fsit_for ((NUMBERP (Vsuggest_key_bindings)
- ? Vsuggest_key_bindings : make_number (2)),
- Qnil, Qnil);
+ XSTRING (binding)->data);
+ message1_nolog (newmessage);
+ if (!NILP (Fsit_for ((NUMBERP (Vsuggest_key_bindings)
+ ? Vsuggest_key_bindings : make_number (2)),
+ Qnil, Qnil)))
+ message2_nolog (oldmessage, oldmessage_len);
}
}
- return Fcommand_execute (function, Qt, Qnil);
+ RETURN_UNGCPRO (value);
}
/* Find the set of keymaps now active.
return nmaps;
}
\f
+/* Return nonzero if input events are pending. */
detect_input_pending ()
{
if (!input_pending)
- get_input_pending (&input_pending);
+ get_input_pending (&input_pending, 0);
+
+ return input_pending;
+}
+
+/* Return nonzero if input events are pending, and run any pending timers. */
+
+detect_input_pending_run_timers (do_display)
+ int do_display;
+{
+ int old_timers_run = timers_run;
+
+ if (!input_pending)
+ get_input_pending (&input_pending, 1);
+
+ if (old_timers_run != timers_run && do_display)
+ redisplay_preserve_echo_area ();
return input_pending;
}
input_pending = 0;
}
+/* Return nonzero if there are pending requeued events.
+ This isn't used yet. The hope is to make wait_reading_process_input
+ call it, and return return if it runs Lisp code that unreads something.
+ The problem is, kbd_buffer_get_event needs to be fixed to know what
+ to do in that case. It isn't trivial. */
+
+requeued_events_pending_p ()
+{
+ return (!NILP (Vunread_command_events) || unread_command_char != -1);
+}
+
+
DEFUN ("input-pending-p", Finput_pending_p, Sinput_pending_p, 0, 0, 0,
"T if command input is currently available with no waiting.\n\
Actually, the value is nil only if we can be sure that no input is available.")
if (!NILP (Vunread_command_events) || unread_command_char != -1)
return (Qt);
- return detect_input_pending () ? Qt : Qnil;
+ get_input_pending (&input_pending, 1);
+ return input_pending > 0 ? Qt : Qnil;
}
DEFUN ("recent-keys", Frecent_keys, Srecent_keys, 0, 0, 0,
XVECTOR (this_command_keys)->contents);
}
+DEFUN ("this-single-command-keys", Fthis_single_command_keys,
+ Sthis_single_command_keys, 0, 0, 0,
+ "Return the key sequence that invoked this command.\n\
+Unlike `this-command-keys', this function's value\n\
+does not include prefix arguments.\n\
+The value is a string or a vector.")
+ ()
+{
+ return make_event_array (this_command_key_count
+ - this_single_command_key_start,
+ (XVECTOR (this_command_keys)->contents
+ + this_single_command_key_start));
+}
+
DEFUN ("reset-this-command-lengths", Freset_this_command_lengths,
Sreset_this_command_lengths, 0, 0, 0,
"Used for complicated reasons in `universal-argument-other-key'.\n\
(file)
Lisp_Object file;
{
- if (NILP (file))
+ if (dribble)
{
- if (dribble)
- {
- fclose (dribble);
- dribble = 0;
- }
+ fclose (dribble);
+ dribble = 0;
}
- else
+ if (!NILP (file))
{
file = Fexpand_file_name (file, Qnil);
dribble = fopen (XSTRING (file)->data, "w");
+ if (dribble == 0)
+ report_file_error ("Opening dribble", Fcons (file, Qnil));
}
return Qnil;
}
Lisp_Object stuffstring;
{
/* stuff_char works only in BSD, versions 4.2 and up. */
-#ifdef BSD
+#ifdef BSD_SYSTEM
#ifndef BSD4_1
register unsigned char *p;
}
input_pending = 0;
#endif
-#endif /* BSD and not BSD4_1 */
+#endif /* BSD_SYSTEM and not BSD4_1 */
}
\f
set_waiting_for_input (time_to_clear)
/* Must preserve main program's value of errno. */
int old_errno = errno;
-#ifdef USG
+#if defined (USG) && !defined (POSIX_SIGNALS)
if (!read_socket_hook && NILP (Vwindow_system))
{
/* USG systems forget handlers when they are used;
cancel_echoing ();
- if (!NILP (Vquit_flag) && FRAME_TERMCAP_P (selected_frame))
+ if (!NILP (Vquit_flag)
+ && (FRAME_TERMCAP_P (selected_frame) || FRAME_MSDOS_P (selected_frame)))
{
+ /* If SIGINT isn't blocked, don't let us be interrupted by
+ another SIGINT, it might be harmful due to non-reentrancy
+ in I/O functions. */
+ sigblock (sigmask (SIGINT));
+
fflush (stdout);
reset_sys_modes ();
- sigfree ();
+
#ifdef SIGTSTP /* Support possible in later USG versions */
/*
* On systems which can suspend the current process and return to the original
#endif /* not MSDOS */
fflush (stdout);
init_sys_modes ();
+ sigfree ();
}
else
{
abort ();
#endif
#endif
-#ifdef MULTI_FRAME
if (FRAMEP (internal_last_event_frame)
&& XFRAME (internal_last_event_frame) != selected_frame)
do_switch_frame (make_lispy_switch_frame (internal_last_event_frame),
Qnil, 0);
-#endif
_longjmp (getcjmp, 1);
}
/*
* Destroy the contents of a kboard object, but not the object itself.
- * We use this just before deleteing it, or if we're going to initialize
+ * We use this just before deleting it, or if we're going to initialize
* it a second time.
*/
static void
quit_char = Ctl ('g');
Vunread_command_events = Qnil;
unread_command_char = -1;
+ EMACS_SET_SECS_USECS (timer_idleness_start_time, -1, -1);
total_keys = 0;
recent_keys_index = 0;
kbd_fetch_ptr = kbd_buffer;
#endif
input_pending = 0;
-#ifdef MULTI_FRAME
/* This means that command_loop_1 won't try to select anything the first
time through. */
internal_last_event_frame = Qnil;
Vlast_event_frame = internal_last_event_frame;
-#endif
#ifdef MULTI_KBOARD
current_kboard = initial_kboard;
syms_of_keyboard ()
{
+ Qtimer_event_handler = intern ("timer-event-handler");
+ staticpro (&Qtimer_event_handler);
+
Qdisabled_command_hook = intern ("disabled-command-hook");
staticpro (&Qdisabled_command_hook);
staticpro (&Qhandle);
Qbelow_handle = intern ("below-handle");
staticpro (&Qbelow_handle);
+ Qup = intern ("up");
+ staticpro (&Qup);
+ Qdown = intern ("down");
+ staticpro (&Qdown);
Qevent_kind = intern ("event-kind");
staticpro (&Qevent_kind);
unread_switch_frame = Qnil;
staticpro (&unread_switch_frame);
+ internal_last_event_frame = Qnil;
+ staticpro (&internal_last_event_frame);
+
+ read_key_sequence_cmd = Qnil;
+ staticpro (&read_key_sequence_cmd);
+
defsubr (&Sevent_convert_list);
defsubr (&Sread_key_sequence);
defsubr (&Srecursive_edit);
defsubr (&Scommand_execute);
defsubr (&Srecent_keys);
defsubr (&Sthis_command_keys);
+ defsubr (&Sthis_single_command_keys);
defsubr (&Sreset_this_command_lengths);
defsubr (&Ssuspend_emacs);
defsubr (&Sabort_recursive_edit);
inhibit_local_menu_bar_menus = 0;
DEFVAR_INT ("num-input-keys", &num_input_keys,
- "Number of complete keys read from the keyboard so far.");
+ "Number of complete key sequences read as input so far.\n\
+This includes key sequences read from keyboard macros.\n\
+The number is effectively the number of interactive command invocations.");
num_input_keys = 0;
+ DEFVAR_INT ("num-nonmacro-input-events", &num_nonmacro_input_events,
+ "Number of input events read from the keyboard so far.\n\
+This does not include events generated by keyboard macros.");
+ num_nonmacro_input_events = 0;
+
DEFVAR_LISP ("last-event-frame", &Vlast_event_frame,
"The frame in which the most recently read event occurred.\n\
If the last event came from a keyboard macro, this is set to `macro'.");
Vlast_event_frame = Qnil;
+ /* This variable is set up in sysdep.c. */
+ DEFVAR_LISP ("tty-erase-char", &Vtty_erase_char,
+ "The ERASE character as set by the user with stty.");
+
DEFVAR_LISP ("help-char", &Vhelp_char,
"Character to recognize as meaning Help.\n\
When it is read, do `(eval help-form)', and display result if it's a string.\n\
DEFVAR_LISP ("post-command-idle-hook", &Vpost_command_idle_hook,
"Normal hook run after each command is executed, if idle.\n\
-Errors running the hook are caught and ignored.");
+Errors running the hook are caught and ignored.\n\
+This feature is obsolete; use idle timers instead. See `etc/NEWS'.");
Vpost_command_idle_hook = Qnil;
DEFVAR_INT ("post-command-idle-delay", &post_command_idle_delay,
- "Delay time before running `post-command-idle-delay'.\n\
+ "Delay time before running `post-command-idle-hook'.\n\
This is measured in microseconds.");
post_command_idle_delay = 100000;
+#if 0
+ DEFVAR_LISP ("echo-area-clear-hook", ...,
+ "Normal hook run when clearing the echo area.");
+#endif
+ Qecho_area_clear_hook = intern ("echo-area-clear-hook");
+ XSYMBOL (Qecho_area_clear_hook)->value = Qnil;
+
DEFVAR_LISP ("lucid-menu-bar-dirty-flag", &Vlucid_menu_bar_dirty_flag,
"t means menu bar, specified Lucid style, needs to be recomputed.");
Vlucid_menu_bar_dirty_flag = Qnil;
DEFVAR_KBOARD ("overriding-terminal-local-map",
Voverriding_terminal_local_map,
- "Keymap that overrides all other local keymaps.\n\
+ "Per-terminal keymap that overrides all other local keymaps.\n\
If this variable is non-nil, it is used as a keymap instead of the\n\
-buffer's local map, and the minor mode keymaps and text property keymaps.");
+buffer's local map, and the minor mode keymaps and text property keymaps.\n\
+This variable is intended to let commands such as `universal-argumemnt'\n\
+set up a different keymap for reading the next command.");
DEFVAR_LISP ("overriding-local-map", &Voverriding_local_map,
"Keymap that overrides all other local keymaps.\n\
If the value is non-nil and not a number, we wait 2 seconds.");
Vsuggest_key_bindings = Qt;
- DEFVAR_LISP ("column-number-mode", &Vcolumn_number_mode,
- "Non-nil enables display of the current column number in the mode line.");
- Vcolumn_number_mode = Qnil;
+ DEFVAR_LISP ("timer-list", &Vtimer_list,
+ "List of active absolute time timers in order of increasing time");
+ Vtimer_list = Qnil;
+
+ DEFVAR_LISP ("timer-idle-list", &Vtimer_idle_list,
+ "List of active idle-time timers in order of increasing time");
+ Vtimer_idle_list = Qnil;
}
keys_of_keyboard ()