/* Keyboard and mouse input; editor command loop.
-Copyright (C) 1985-1989, 1993-1997, 1999-2013 Free Software Foundation,
-Inc.
+Copyright (C) 1985-1989, 1993-1997, 1999-2014 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <config.h>
-#define BLOCKINPUT_INLINE EXTERN_INLINE
-#define KEYBOARD_INLINE EXTERN_INLINE
-
#include "sysstdio.h"
+#include <sys/stat.h>
#include "lisp.h"
#include "termchar.h"
KBOARD *initial_kboard;
KBOARD *current_kboard;
-KBOARD *all_kboards;
+static KBOARD *all_kboards;
/* True in the single-kboard state, false in the any-kboard state. */
static bool single_kboard;
'volatile' here. */
Lisp_Object internal_last_event_frame;
-/* The timestamp of the last input event we received from the X server.
- X Windows wants this for selection ownership. */
-Time last_event_timestamp;
-
static Lisp_Object Qx_set_selection, Qhandle_switch_frame;
static Lisp_Object Qhandle_select_window;
Lisp_Object QPRIMARY;
/* Symbols to use for parts of windows. */
Lisp_Object Qmode_line;
Lisp_Object Qvertical_line;
+Lisp_Object Qright_divider, Qbottom_divider;
static Lisp_Object Qvertical_scroll_bar;
Lisp_Object Qmenu_bar;
+static Lisp_Object Qecho_keystrokes;
+
static void recursive_edit_unwind (Lisp_Object buffer);
static Lisp_Object command_loop (void);
static Lisp_Object Qcommand_execute;
-EMACS_TIME timer_check (void);
+struct timespec timer_check (void);
static void echo_now (void);
static ptrdiff_t echo_length (void);
/* Incremented whenever a timer is run. */
unsigned timers_run;
-/* Address (if not 0) of EMACS_TIME to zero out if a SIGIO interrupt
+/* Address (if not 0) of struct timespec to zero out if a SIGIO interrupt
happens. */
-EMACS_TIME *input_available_clear_time;
+struct timespec *input_available_clear_time;
/* True means use SIGIO interrupts; false means use CBREAK mode.
Default is true if INTERRUPT_INPUT is defined. */
/* The time when Emacs started being idle. */
-static EMACS_TIME timer_idleness_start_time;
+static struct timespec timer_idleness_start_time;
/* After Emacs stops being idle, this saves the last value
of timer_idleness_start_time from when it was idle. */
-static EMACS_TIME timer_last_idleness_start_time;
+static struct timespec timer_last_idleness_start_time;
\f
/* Global variable declarations. */
Lisp_Object *, ptrdiff_t);
static Lisp_Object make_lispy_switch_frame (Lisp_Object);
static Lisp_Object make_lispy_focus_in (Lisp_Object);
+#ifdef HAVE_WINDOW_SYSTEM
static Lisp_Object make_lispy_focus_out (Lisp_Object);
+#endif /* HAVE_WINDOW_SYSTEM */
static bool help_char_p (Lisp_Object);
static void save_getcjmp (sys_jmp_buf);
static void restore_getcjmp (sys_jmp_buf);
\f
DEFUN ("recursive-edit", Frecursive_edit, Srecursive_edit, 0, 0, "",
doc: /* Invoke the editor command loop recursively.
-To get out of the recursive edit, a command can do `(throw 'exit nil)';
-that tells this function to return.
-Alternatively, `(throw 'exit t)' makes this function signal an error.
+To get out of the recursive edit, a command can throw to `exit' -- for
+instance `(throw 'exit nil)'.
+If you throw a value other than t, `recursive-edit' returns normally
+to the function that called it. Throwing a t value causes
+`recursive-edit' to quit, so that control returns to the command loop
+one level up.
+
This function is called by the editor initialization to begin editing. */)
(void)
{
if (input_blocked_p ())
return Qnil;
- command_loop_level++;
- update_mode_lines = 1;
-
- if (command_loop_level
+ if (command_loop_level >= 0
&& current_buffer != XBUFFER (XWINDOW (selected_window)->contents))
buffer = Fcurrent_buffer ();
else
buffer = Qnil;
+ /* Don't do anything interesting between the increment and the
+ record_unwind_protect! Otherwise, we could get distracted and
+ never decrement the counter again. */
+ command_loop_level++;
+ update_mode_lines = 17;
+ record_unwind_protect (recursive_edit_unwind, buffer);
+
/* If we leave recursive_edit_1 below with a `throw' for instance,
like it is done in the splash screen display, we have to
make sure that we restore single_kboard as command_loop_1
would have done if it were left normally. */
if (command_loop_level > 0)
temporarily_switch_to_single_kboard (SELECTED_FRAME ());
- record_unwind_protect (recursive_edit_unwind, buffer);
recursive_edit_1 ();
return unbind_to (count, Qnil);
Fset_buffer (buffer);
command_loop_level--;
- update_mode_lines = 1;
+ update_mode_lines = 18;
}
\f
void
cmd_error_internal (Lisp_Object data, const char *context)
{
- struct frame *sf = SELECTED_FRAME ();
-
/* The immediate context is not interesting for Quits,
since they are asynchronous. */
if (EQ (XCAR (data), Qquit))
call3 (Vcommand_error_function, data,
context ? build_string (context) : empty_unibyte_string,
Vsignaling_function);
+
+ Vsignaling_function = Qnil;
+}
+
+DEFUN ("command-error-default-function", Fcommand_error_default_function,
+ Scommand_error_default_function, 3, 3, 0,
+ doc: /* Produce default output for unhandled error message.
+Default value of `command-error-function'. */)
+ (Lisp_Object data, Lisp_Object context, Lisp_Object signal)
+{
+ struct frame *sf = SELECTED_FRAME ();
+
+ CHECK_STRING (context);
+
/* If the window system or terminal frame hasn't been initialized
yet, or we're not interactive, write the message to stderr and exit. */
- else if (!sf->glyphs_initialized_p
+ if (!sf->glyphs_initialized_p
/* The initial frame is a special non-displaying frame. It
will be current in daemon mode when there are no frames
to display, and in non-daemon mode before the real frame
|| noninteractive)
{
print_error_message (data, Qexternal_debugging_output,
- context, Vsignaling_function);
+ SSDATA (context), signal);
Fterpri (Qexternal_debugging_output);
Fkill_emacs (make_number (-1));
}
message_log_maybe_newline ();
bitch_at_user ();
- print_error_message (data, Qt, context, Vsignaling_function);
+ print_error_message (data, Qt, SSDATA (context), signal);
}
-
- Vsignaling_function = Qnil;
+ return Qnil;
}
static Lisp_Object command_loop_2 (Lisp_Object);
#endif
bool ignore_mouse_drag_p;
-static FRAME_PTR
+static struct frame *
some_mouse_moved (void)
{
Lisp_Object tail, frame;
sans error-handling encapsulation. */
static int read_key_sequence (Lisp_Object *, int, Lisp_Object,
- bool, bool, bool);
+ bool, bool, bool, bool);
void safe_run_hooks (Lisp_Object);
static void adjust_point_for_property (ptrdiff_t, bool);
/* The last boundary auto-added to buffer-undo-list. */
Lisp_Object last_undo_boundary;
+extern Lisp_Object Qregion_extract_function;
+
/* FIXME: This is wrong rather than test window-system, we should call
a new set-selection, which will then dispatch to x-set-selection, or
tty-set-selection, or w32-set-selection, ... */
/* Read next key sequence; i gets its length. */
i = read_key_sequence (keybuf, sizeof keybuf / sizeof keybuf[0],
- Qnil, 0, 1, 1);
+ Qnil, 0, 1, 1, 0);
/* A filter may have run while we were reading the input. */
if (! FRAME_LIVE_P (XFRAME (selected_frame)))
already_adjusted = 0;
if (NILP (Vthis_command))
- {
- /* nil means key is undefined. */
- Lisp_Object keys = Fvector (i, keybuf);
- keys = Fkey_description (keys, Qnil);
- bitch_at_user ();
- message_with_string ("%s is undefined", keys, 0);
- kset_defining_kbd_macro (current_kboard, Qnil);
- update_mode_lines = 1;
- /* If this is a down-mouse event, don't reset prefix-arg;
- pass it to the command run by the up event. */
- if (EVENT_HAS_PARAMETERS (last_command_event))
- {
- Lisp_Object breakdown
- = parse_modifiers (EVENT_HEAD (last_command_event));
- int modifiers = XINT (XCAR (XCDR (breakdown)));
- if (!(modifiers & down_modifier))
- kset_prefix_arg (current_kboard, Qnil);
- }
- else
- kset_prefix_arg (current_kboard, Qnil);
- }
+ /* nil means key is undefined. */
+ call0 (Qundefined);
else
{
/* Here for a command that isn't executed directly. */
&& NILP (Fmemq (Vthis_command,
Vselection_inhibit_update_commands)))
{
- ptrdiff_t beg =
- XINT (Fmarker_position (BVAR (current_buffer, mark)));
- ptrdiff_t end = PT;
- if (beg < end)
- call2 (Qx_set_selection, QPRIMARY,
- make_buffer_string (beg, end, 0));
- else if (beg > end)
- call2 (Qx_set_selection, QPRIMARY,
- make_buffer_string (end, beg, 0));
- /* Don't set empty selections. */
+ Lisp_Object txt
+ = call1 (Fsymbol_value (Qregion_extract_function), Qnil);
+ if (XINT (Flength (txt)) > 0)
+ /* Don't set empty selections. */
+ call2 (Qx_set_selection, QPRIMARY, txt);
}
if (current_buffer != prev_buffer || MODIFF != prev_modiff)
cluster to prevent automatic composition. To recover
the automatic composition, we must update the
display. */
- windows_or_buffers_changed++;
+ windows_or_buffers_changed = 21;
if (!already_adjusted)
adjust_point_for_property (last_point_position,
MODIFF != prev_modiff);
}
}
+Lisp_Object
+read_menu_command (void)
+{
+ Lisp_Object keybuf[30];
+ ptrdiff_t count = SPECPDL_INDEX ();
+ int i;
+
+ /* We don't want to echo the keystrokes while navigating the
+ menus. */
+ specbind (Qecho_keystrokes, make_number (0));
+
+ i = read_key_sequence (keybuf, sizeof keybuf / sizeof keybuf[0],
+ Qnil, 0, 1, 1, 1);
+
+ unbind_to (count, Qnil);
+
+ if (! FRAME_LIVE_P (XFRAME (selected_frame)))
+ Fkill_emacs (Qnil);
+ if (i == 0 || i == -1)
+ return Qt;
+
+ return read_key_sequence_cmd;
+}
+
/* Adjust point to a boundary of a region that has such a property
that should be treated intangible. For the moment, we check
`composition', `display' and `invisible' properties.
than skip both boundaries. However, this code
also stops anywhere in a non-sticky text-property,
which breaks (e.g.) Org mode. */
- && (val = get_pos_property (make_number (end),
- Qinvisible, Qnil),
+ && (val = Fget_pos_property (make_number (end),
+ Qinvisible, Qnil),
TEXT_PROP_MEANS_INVISIBLE (val))
#endif
&& !NILP (val = get_char_property_and_overlay
}
while (beg > BEGV
#if 0
- && (val = get_pos_property (make_number (beg),
- Qinvisible, Qnil),
+ && (val = Fget_pos_property (make_number (beg),
+ Qinvisible, Qnil),
TEXT_PROP_MEANS_INVISIBLE (val))
#endif
&& !NILP (val = get_char_property_and_overlay
to the other end would mean moving backwards and thus
could lead to an infinite loop. */
;
- else if (val = get_pos_property (make_number (PT),
- Qinvisible, Qnil),
+ else if (val = Fget_pos_property (make_number (PT),
+ Qinvisible, Qnil),
TEXT_PROP_MEANS_INVISIBLE (val)
- && (val = get_pos_property
- (make_number (PT == beg ? end : beg),
- Qinvisible, Qnil),
+ && (val = (Fget_pos_property
+ (make_number (PT == beg ? end : beg),
+ Qinvisible, Qnil)),
!TEXT_PROP_MEANS_INVISIBLE (val)))
(check_composition = check_display = 1,
SET_PT (PT == beg ? end : beg));
static struct atimer *poll_timer;
-/* Poll for input, so that we catch a C-g if it comes in. This
- function is called from x_make_frame_visible, see comment
- there. */
-
+/* Poll for input, so that we catch a C-g if it comes in. */
void
poll_for_input_1 (void)
{
been turned off in process.c. */
turn_on_atimers (1);
- /* If poll timer doesn't exist, are we need one with
+ /* If poll timer doesn't exist, or we need one with
a different interval, start a new one. */
if (poll_timer == NULL
- || EMACS_SECS (poll_timer->interval) != polling_period)
+ || poll_timer->interval.tv_sec != polling_period)
{
time_t period = max (1, min (polling_period, TYPE_MAXIMUM (time_t)));
- EMACS_TIME interval = make_emacs_time (period, 0);
+ struct timespec interval = make_timespec (period, 0);
if (poll_timer)
cancel_atimer (poll_timer);
\f
/* Apply the control modifier to CHARACTER. */
+#ifndef HAVE_NTGUI
+static
+#endif
int
make_ctrl_char (int c)
{
This causes trouble if we are trying to read a mouse motion
event (i.e., if we are inside a `track-mouse' form), so we
restore the mouse_moved flag. */
- FRAME_PTR f = NILP (do_mouse_tracking) ? NULL : some_mouse_moved ();
+ struct frame *f = NILP (do_mouse_tracking) ? NULL : some_mouse_moved ();
help = call1 (Qmouse_fixup_help_message, help);
if (f)
f->mouse_moved = 1;
\f
-/* Input of single characters from keyboard */
+/* Input of single characters from keyboard. */
static Lisp_Object kbd_buffer_get_event (KBOARD **kbp, bool *used_mouse_menu,
- EMACS_TIME *end_time);
+ struct timespec *end_time);
static void record_char (Lisp_Object c);
static Lisp_Object help_form_saved_window_configs;
polling_stopped_here = 0; } while (0)
static Lisp_Object
-read_event_from_main_queue (EMACS_TIME *end_time,
+read_event_from_main_queue (struct timespec *end_time,
sys_jmp_buf local_getcjmp,
bool *used_mouse_menu)
{
/* Read from the main queue, and if that gives us something we can't use yet,
we put it on the appropriate side queue and try again. */
- if (end_time && EMACS_TIME_LE (*end_time, current_emacs_time ()))
+ if (end_time && timespec_cmp (*end_time, current_timespec ()) <= 0)
return c;
/* Actually read a character, waiting if necessary. */
/* Like `read_event_from_main_queue' but applies keyboard-coding-system
to tty input. */
static Lisp_Object
-read_decoded_event_from_main_queue (EMACS_TIME *end_time,
+read_decoded_event_from_main_queue (struct timespec *end_time,
sys_jmp_buf local_getcjmp,
Lisp_Object prev_event,
bool *used_mouse_menu)
/* 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.
+ -2 means do neither.
1 means do both. */
-/* The arguments MAP is for menu prompting. MAP is a keymap.
+/* The argument MAP is a keymap for menu prompting.
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 -2 when we find input on another keyboard. A second call
to read_char will read it.
- If END_TIME is non-null, it is a pointer to an EMACS_TIME
+ If END_TIME is non-null, it is a pointer to a struct timespec
specifying the maximum time to wait until. If no input arrives by
that time, stop waiting and return nil.
Lisp_Object
read_char (int commandflag, Lisp_Object map,
Lisp_Object prev_event,
- bool *used_mouse_menu, EMACS_TIME *end_time)
+ bool *used_mouse_menu, struct timespec *end_time)
{
Lisp_Object c;
ptrdiff_t jmpcount;
if (/* There currently is something in the echo area. */
!NILP (echo_area_buffer[0])
- && (/* And it's either not from echoing. */
- !EQ (echo_area_buffer[0], echo_message_buffer)
- /* Or it's an echo from a different kboard. */
- || echo_kboard != current_kboard
+ && (/* It's an echo from a different kboard. */
+ echo_kboard != current_kboard
/* Or we explicitly allow overwriting whatever there is. */
|| ok_to_echo_at_next_pause == NULL))
cancel_echoing ();
/* Maybe auto save due to number of keystrokes. */
- if (commandflag != 0
+ if (commandflag != 0 && commandflag != -2
&& auto_save_interval > 0
&& num_nonmacro_input_events - last_auto_save > max (auto_save_interval, 20)
&& !detect_input_pending_run_timers (0))
9 at 200k, 11 at 300k, and 12 at 500k. It is 15 at 1 meg. */
/* Auto save if enough time goes by without input. */
- if (commandflag != 0
+ if (commandflag != 0 && commandflag != -2
&& num_nonmacro_input_events > last_auto_save
&& INTEGERP (Vauto_save_timeout)
&& XINT (Vauto_save_timeout) > 0)
{
c = read_decoded_event_from_main_queue (end_time, local_getcjmp,
prev_event, used_mouse_menu);
- if (end_time && EMACS_TIME_LE (*end_time, current_emacs_time ()))
- goto exit;
+ if (NILP(c) && end_time &&
+ timespec_cmp (*end_time, current_timespec ()) <= 0)
+ {
+ goto exit;
+ }
+
if (EQ (c, make_number (-2)))
{
/* This is going to exit from read_char
/* Record this character as part of the current key. */
add_command_key (c);
- /* Re-reading in the middle of a command */
+ /* Re-reading in the middle of a command. */
last_input_event = c;
num_input_events++;
}
Vlast_event_frame = focus;
}
- last_event_timestamp = event->timestamp;
-
handle_interrupt (0);
return;
}
*kbd_store_ptr = *event;
++kbd_store_ptr;
#ifdef subprocesses
- if (kbd_buffer_nr_stored () > KBD_BUFFER_SIZE/2 && ! kbd_on_hold_p ())
+ if (kbd_buffer_nr_stored () > KBD_BUFFER_SIZE / 2
+ && ! kbd_on_hold_p ())
{
/* Don't read keyboard input until we have processed kbd_buffer.
This happens when pasting text longer than KBD_BUFFER_SIZE/2. */
static Lisp_Object
kbd_buffer_get_event (KBOARD **kbp,
bool *used_mouse_menu,
- EMACS_TIME *end_time)
+ struct timespec *end_time)
{
Lisp_Object obj;
}
#endif /* subprocesses */
-#ifndef HAVE_DBUS /* We want to read D-Bus events in batch mode. */
+#if !defined HAVE_DBUS && !defined USE_FILE_NOTIFY
if (noninteractive
/* In case we are running as a daemon, only do this before
detaching from the terminal. */
*kbp = current_kboard;
return obj;
}
-#endif /* ! HAVE_DBUS */
+#endif /* !defined HAVE_DBUS && !defined USE_FILE_NOTIFY */
/* Wait until there is input available. */
for (;;)
break;
if (end_time)
{
- EMACS_TIME now = current_emacs_time ();
- if (EMACS_TIME_LE (*end_time, now))
+ struct timespec now = current_timespec ();
+ if (timespec_cmp (*end_time, now) <= 0)
return Qnil; /* Finished waiting. */
else
{
- EMACS_TIME duration = sub_emacs_time (*end_time, now);
- wait_reading_process_output (min (EMACS_SECS (duration),
+ struct timespec duration = timespec_sub (*end_time, now);
+ wait_reading_process_output (min (duration.tv_sec,
WAIT_READING_MAX),
- EMACS_NSECS (duration),
+ duration.tv_nsec,
-1, 1, Qnil, NULL, 0);
}
}
else
- wait_reading_process_output (0, 0, -1, 1, Qnil, NULL, 0);
+ {
+ bool do_display = true;
+
+ if (FRAME_TERMCAP_P (SELECTED_FRAME ()))
+ {
+ struct tty_display_info *tty = CURTTY ();
+
+ /* When this TTY is displaying a menu, we must prevent
+ any redisplay, because we modify the frame's glyph
+ matrix behind the back of the display engine. */
+ if (tty->showing_menu)
+ do_display = false;
+ }
+
+ wait_reading_process_output (0, 0, -1, do_display, Qnil, NULL, 0);
+ }
if (!interrupt_input && kbd_fetch_ptr == kbd_store_ptr)
gobble_input ();
? kbd_fetch_ptr
: kbd_buffer);
- last_event_timestamp = event->timestamp;
-
*kbp = event_to_kboard (event);
if (*kbp == 0)
*kbp = current_kboard; /* Better than returning null ptr? */
}
else if (event->kind == FOCUS_OUT_EVENT)
{
-#if defined HAVE_X11 || defined HAVE_NS
-# define DISPLAY_LIST_INFO(di) (di)
-#elif defined WINDOWSNT
-# define DISPLAY_LIST_INFO(di) FRAME_X_DISPLAY_INFO (di)
-#endif
-#ifdef DISPLAY_LIST_INFO
+#ifdef HAVE_WINDOW_SYSTEM
-#ifdef HAVE_NS
- struct ns_display_info *di;
-#else
- struct x_display_info *di;
-#endif
+ Display_Info *di;
Lisp_Object frame = event->frame_or_window;
bool focused = false;
- for (di = x_display_list;
- di && ! focused;
- di = DISPLAY_LIST_INFO (di)->next)
- focused = DISPLAY_LIST_INFO (di)->x_highlight_frame != 0;
+ for (di = x_display_list; di && ! focused; di = di->next)
+ focused = di->x_highlight_frame != 0;
- if (! focused) obj = make_lispy_focus_out (frame);
-#endif /* DISPLAY_LIST_INFO */
+ if (!focused)
+ obj = make_lispy_focus_out (frame);
+
+#endif /* HAVE_WINDOW_SYSTEM */
kbd_fetch_ptr = event + 1;
}
/* Try generating a mouse motion event. */
else if (!NILP (do_mouse_tracking) && some_mouse_moved ())
{
- FRAME_PTR f = some_mouse_moved ();
+ struct frame *f = some_mouse_moved ();
Lisp_Object bar_window;
enum scroll_bar_part part;
Lisp_Object x, y;
else
kbd_fetch_ptr++;
- /* X wants last_event_timestamp for selection ownership. */
- last_event_timestamp = copy.timestamp;
input_pending = readable_events (0);
x_handle_selection_event (©);
#else
timer_start_idle (void)
{
/* If we are already in the idle state, do nothing. */
- if (EMACS_TIME_VALID_P (timer_idleness_start_time))
+ if (timespec_valid_p (timer_idleness_start_time))
return;
- timer_idleness_start_time = current_emacs_time ();
+ timer_idleness_start_time = current_timespec ();
timer_last_idleness_start_time = timer_idleness_start_time;
/* Mark all idle-time timers as once again candidates for running. */
static void
timer_stop_idle (void)
{
- timer_idleness_start_time = invalid_emacs_time ();
+ timer_idleness_start_time = invalid_timespec ();
}
/* Resume idle timer from last idle start time. */
static void
timer_resume_idle (void)
{
- if (EMACS_TIME_VALID_P (timer_idleness_start_time))
+ if (timespec_valid_p (timer_idleness_start_time))
return;
timer_idleness_start_time = timer_last_idleness_start_time;
/* Return true if TIMER is a valid timer, placing its value into *RESULT. */
static bool
-decode_timer (Lisp_Object timer, EMACS_TIME *result)
+decode_timer (Lisp_Object timer, struct timespec *result)
{
Lisp_Object *vector;
In that case we return 0 to indicate that a new timer_check_2 call
should be done. */
-static EMACS_TIME
+static struct timespec
timer_check_2 (Lisp_Object timers, Lisp_Object idle_timers)
{
- EMACS_TIME nexttime;
- EMACS_TIME now;
- EMACS_TIME idleness_now;
+ struct timespec nexttime;
+ struct timespec now;
+ struct timespec idleness_now;
Lisp_Object chosen_timer;
struct gcpro gcpro1;
- nexttime = invalid_emacs_time ();
+ nexttime = invalid_timespec ();
chosen_timer = Qnil;
GCPRO1 (chosen_timer);
if (CONSP (timers) || CONSP (idle_timers))
{
- now = current_emacs_time ();
- idleness_now = (EMACS_TIME_VALID_P (timer_idleness_start_time)
- ? sub_emacs_time (now, timer_idleness_start_time)
- : make_emacs_time (0, 0));
+ now = current_timespec ();
+ idleness_now = (timespec_valid_p (timer_idleness_start_time)
+ ? timespec_sub (now, timer_idleness_start_time)
+ : make_timespec (0, 0));
}
while (CONSP (timers) || CONSP (idle_timers))
{
Lisp_Object timer = Qnil, idle_timer = Qnil;
- EMACS_TIME timer_time, idle_timer_time;
- EMACS_TIME difference;
- EMACS_TIME timer_difference = invalid_emacs_time ();
- EMACS_TIME idle_timer_difference = invalid_emacs_time ();
+ struct timespec timer_time, idle_timer_time;
+ struct timespec difference;
+ struct timespec timer_difference = invalid_timespec ();
+ struct timespec idle_timer_difference = invalid_timespec ();
bool ripe, timer_ripe = 0, idle_timer_ripe = 0;
/* Set TIMER and TIMER_DIFFERENCE
continue;
}
- timer_ripe = EMACS_TIME_LE (timer_time, now);
+ timer_ripe = timespec_cmp (timer_time, now) <= 0;
timer_difference = (timer_ripe
- ? sub_emacs_time (now, timer_time)
- : sub_emacs_time (timer_time, now));
+ ? timespec_sub (now, timer_time)
+ : timespec_sub (timer_time, now));
}
/* Likewise for IDLE_TIMER and IDLE_TIMER_DIFFERENCE
continue;
}
- idle_timer_ripe = EMACS_TIME_LE (idle_timer_time, idleness_now);
+ idle_timer_ripe = timespec_cmp (idle_timer_time, idleness_now) <= 0;
idle_timer_difference
= (idle_timer_ripe
- ? sub_emacs_time (idleness_now, idle_timer_time)
- : sub_emacs_time (idle_timer_time, idleness_now));
+ ? timespec_sub (idleness_now, idle_timer_time)
+ : timespec_sub (idle_timer_time, idleness_now));
}
/* Decide which timer is the next timer,
and set CHOSEN_TIMER, DIFFERENCE, and RIPE accordingly.
Also step down the list where we found that timer. */
- if (EMACS_TIME_VALID_P (timer_difference)
- && (! EMACS_TIME_VALID_P (idle_timer_difference)
+ if (timespec_valid_p (timer_difference)
+ && (! timespec_valid_p (idle_timer_difference)
|| idle_timer_ripe < timer_ripe
|| (idle_timer_ripe == timer_ripe
- && (timer_ripe
- ? EMACS_TIME_LT (idle_timer_difference,
+ && ((timer_ripe
+ ? timespec_cmp (idle_timer_difference,
timer_difference)
- : EMACS_TIME_LT (timer_difference,
- idle_timer_difference)))))
+ : timespec_cmp (timer_difference,
+ idle_timer_difference))
+ < 0))))
{
chosen_timer = timer;
timers = XCDR (timers);
return 0 to indicate that. */
}
- nexttime = make_emacs_time (0, 0);
+ nexttime = make_timespec (0, 0);
break;
}
else
As long as any timer is ripe, we run it. */
-EMACS_TIME
+struct timespec
timer_check (void)
{
- EMACS_TIME nexttime;
+ struct timespec nexttime;
Lisp_Object timers, idle_timers;
struct gcpro gcpro1, gcpro2;
/* Always consider the ordinary timers. */
timers = Fcopy_sequence (Vtimer_list);
/* Consider the idle timers only if Emacs is idle. */
- if (EMACS_TIME_VALID_P (timer_idleness_start_time))
+ if (timespec_valid_p (timer_idleness_start_time))
idle_timers = Fcopy_sequence (Vtimer_idle_list);
else
idle_timers = Qnil;
{
nexttime = timer_check_2 (timers, idle_timers);
}
- while (EMACS_SECS (nexttime) == 0 && EMACS_NSECS (nexttime) == 0);
+ while (nexttime.tv_sec == 0 && nexttime.tv_nsec == 0);
UNGCPRO;
return nexttime;
PSEC is a multiple of the system clock resolution. */)
(void)
{
- if (EMACS_TIME_VALID_P (timer_idleness_start_time))
- return make_lisp_time (sub_emacs_time (current_emacs_time (),
- timer_idleness_start_time));
+ if (timespec_valid_p (timer_idleness_start_time))
+ return make_lisp_time (timespec_sub (current_timespec (),
+ timer_idleness_start_time));
return Qnil;
}
dy = yret = wy;
}
/* Nothing special for part == ON_SCROLL_BAR. */
+ else if (part == ON_RIGHT_DIVIDER)
+ {
+ posn = Qright_divider;
+ width = WINDOW_RIGHT_DIVIDER_WIDTH (w);
+ dx = xret = wx;
+ dy = yret = wy;
+ }
+ else if (part == ON_BOTTOM_DIVIDER)
+ {
+ posn = Qbottom_divider;
+ width = WINDOW_BOTTOM_DIVIDER_WIDTH (w);
+ dx = xret = wx;
+ dy = yret = wy;
+ }
/* For clicks in the text area, fringes, or margins, call
buffer_posn_from_coords to extract TEXTPOS, the buffer
extra_info))));
}
+/* Return non-zero if F is a GUI frame that uses some toolkit-managed
+ menu bar. This really means that Emacs draws and manages the menu
+ bar as part of its normal display, and therefore can compute its
+ geometry. */
+static bool
+toolkit_menubar_in_use (struct frame *f)
+{
+#if defined (USE_X_TOOLKIT) || defined (USE_GTK) || defined (HAVE_NS) || defined (HAVE_NTGUI)
+ return !(!FRAME_WINDOW_P (f));
+#else
+ return false;
+#endif
+}
+
/* Given a struct input_event, build the lisp event which represents
it. If EVENT is 0, build a mouse movement event from the mouse
movement buffer, which should have a movement event in it.
/* A mouse click. Figure out where it is, decide whether it's
a press, click or drag, and build the appropriate structure. */
case MOUSE_CLICK_EVENT:
+#ifdef HAVE_GPM
+ case GPM_CLICK_EVENT:
+#endif
#ifndef USE_TOOLKIT_SCROLL_BARS
case SCROLL_BAR_CLICK_EVENT:
#endif
position = Qnil;
/* Build the position as appropriate for this mouse click. */
- if (event->kind == MOUSE_CLICK_EVENT)
+ if (event->kind == MOUSE_CLICK_EVENT
+#ifdef HAVE_GPM
+ || event->kind == GPM_CLICK_EVENT
+#endif
+ )
{
struct frame *f = XFRAME (event->frame_or_window);
-#if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) && ! defined (HAVE_NS)
int row, column;
-#endif
/* Ignore mouse events that were made on frame that
have been deleted. */
if (! FRAME_LIVE_P (f))
return Qnil;
-#if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) && ! defined (HAVE_NS)
/* EVENT->x and EVENT->y are frame-relative pixel
coordinates at this place. Under old redisplay, COLUMN
and ROW are set to frame relative glyph coordinates
which are then used to determine whether this click is
in a menu (non-toolkit version). */
- pixel_to_glyph_coords (f, XINT (event->x), XINT (event->y),
- &column, &row, NULL, 1);
-
- /* In the non-toolkit version, clicks on the menu bar
- are ordinary button events in the event buffer.
- Distinguish them, and invoke the menu.
-
- (In the toolkit version, the toolkit handles the menu bar
- and Emacs doesn't know about it until after the user
- makes a selection.) */
- if (row >= 0 && row < FRAME_MENU_BAR_LINES (f)
- && (event->modifiers & down_modifier))
+ if (!toolkit_menubar_in_use (f))
{
- Lisp_Object items, item;
-
- /* Find the menu bar item under `column'. */
- item = Qnil;
- items = FRAME_MENU_BAR_ITEMS (f);
- for (i = 0; i < ASIZE (items); i += 4)
+ pixel_to_glyph_coords (f, XINT (event->x), XINT (event->y),
+ &column, &row, NULL, 1);
+
+ /* In the non-toolkit version, clicks on the menu bar
+ are ordinary button events in the event buffer.
+ Distinguish them, and invoke the menu.
+
+ (In the toolkit version, the toolkit handles the
+ menu bar and Emacs doesn't know about it until
+ after the user makes a selection.) */
+ if (row >= 0 && row < FRAME_MENU_BAR_LINES (f)
+ && (event->modifiers & down_modifier))
{
- Lisp_Object pos, string;
- string = AREF (items, i + 1);
- pos = AREF (items, i + 3);
- if (NILP (string))
- break;
- if (column >= XINT (pos)
- && column < XINT (pos) + SCHARS (string))
+ Lisp_Object items, item;
+
+ /* Find the menu bar item under `column'. */
+ item = Qnil;
+ items = FRAME_MENU_BAR_ITEMS (f);
+ for (i = 0; i < ASIZE (items); i += 4)
{
- item = AREF (items, i);
- break;
+ Lisp_Object pos, string;
+ string = AREF (items, i + 1);
+ pos = AREF (items, i + 3);
+ if (NILP (string))
+ break;
+ if (column >= XINT (pos)
+ && column < XINT (pos) + SCHARS (string))
+ {
+ item = AREF (items, i);
+ break;
+ }
}
- }
- /* ELisp manual 2.4b says (x y) are window relative but
- code says they are frame-relative. */
- position = list4 (event->frame_or_window,
- Qmenu_bar,
- Fcons (event->x, event->y),
- make_number (event->timestamp));
+ /* ELisp manual 2.4b says (x y) are window
+ relative but code says they are
+ frame-relative. */
+ position = list4 (event->frame_or_window,
+ Qmenu_bar,
+ Fcons (event->x, event->y),
+ make_number (event->timestamp));
- return list2 (item, position);
+ return list2 (item, position);
+ }
}
-#endif /* not USE_X_TOOLKIT && not USE_GTK && not HAVE_NS */
position = make_lispy_position (f, event->x, event->y,
event->timestamp);
case DRAG_N_DROP_EVENT:
{
- FRAME_PTR f;
+ struct frame *f;
Lisp_Object head, position;
Lisp_Object files;
case CONFIG_CHANGED_EVENT:
return list3 (Qconfig_changed_event,
event->arg, event->frame_or_window);
-#ifdef HAVE_GPM
- case GPM_CLICK_EVENT:
- {
- FRAME_PTR f = XFRAME (event->frame_or_window);
- Lisp_Object head, position;
- Lisp_Object *start_pos_ptr;
- Lisp_Object start_pos;
- int button = event->code;
-
- if (button >= ASIZE (button_down_location))
- {
- ptrdiff_t incr = button - ASIZE (button_down_location) + 1;
- button_down_location = larger_vector (button_down_location,
- incr, -1);
- mouse_syms = larger_vector (mouse_syms, incr, -1);
- }
-
- start_pos_ptr = aref_addr (button_down_location, button);
- start_pos = *start_pos_ptr;
-
- position = make_lispy_position (f, event->x, event->y,
- event->timestamp);
-
- if (event->modifiers & down_modifier)
- *start_pos_ptr = Fcopy_alist (position);
- else if (event->modifiers & (up_modifier | drag_modifier))
- {
- if (!CONSP (start_pos))
- return Qnil;
- event->modifiers &= ~up_modifier;
- }
-
- head = modify_event_symbol (button,
- event->modifiers,
- Qmouse_click, Vlispy_mouse_stem,
- NULL,
- &mouse_syms,
- ASIZE (mouse_syms));
-
- if (event->modifiers & drag_modifier)
- return list3 (head, start_pos, position);
- else if (event->modifiers & double_modifier)
- return list3 (head, position, make_number (2));
- else if (event->modifiers & triple_modifier)
- return list3 (head, position, make_number (3));
- else
- return list2 (head, position);
- }
-#endif /* HAVE_GPM */
/* The 'kind' field of the event is something we don't recognize. */
default:
}
static Lisp_Object
-make_lispy_movement (FRAME_PTR frame, Lisp_Object bar_window, enum scroll_bar_part part,
+make_lispy_movement (struct frame *frame, Lisp_Object bar_window, enum scroll_bar_part part,
Lisp_Object x, Lisp_Object y, Time t)
{
/* Is it a scroll bar movement? */
{
return list2 (Qfocus_in, frame);
}
+
+#ifdef HAVE_WINDOW_SYSTEM
+
static Lisp_Object
make_lispy_focus_out (Lisp_Object frame)
{
return list2 (Qfocus_out, frame);
}
-\f
+
+#endif /* HAVE_WINDOW_SYSTEM */
+
/* Manipulating modifiers. */
/* Parse the name of SYMBOL, and return the set of modifiers it contains.
}
/* Undo any number of BLOCK_INPUT calls down to level LEVEL,
- and also (if the level is now 0) reinvoke any pending signal. */
+ and reinvoke any pending signal if the level is now 0 and
+ a fatal error is not already in progress. */
void
unblock_input_to (int level)
interrupt_input_blocked = level;
if (level == 0)
{
- if (pending_signals)
+ if (pending_signals && !fatal_error_in_progress)
process_pending_signals ();
}
else if (level < 0)
/* End critical section.
If doing signal-driven input, and a signal came in when input was
- blocked, reinvoke the signal handler now to deal with it. */
+ blocked, reinvoke the signal handler now to deal with it.
+
+ It will also process queued input, if it was not read before.
+ When a longer code sequence does not use block/unblock input
+ at all, the whole input gathered up to the next call to
+ unblock_input will be processed inside that call. */
void
unblock_input (void)
pending_signals = 1;
if (input_available_clear_time)
- *input_available_clear_time = make_emacs_time (0, 0);
+ *input_available_clear_time = make_timespec (0, 0);
}
static void
/* Tell wait_reading_process_output that it needs to wake
up and look around. */
if (input_available_clear_time)
- *input_available_clear_time = make_emacs_time (0, 0);
+ *input_available_clear_time = make_timespec (0, 0);
}
break;
}
if (! menu_prompting)
return Qnil;
-#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)
*used_mouse_menu = 1;
return value;
}
-#endif /* HAVE_MENUS */
return Qnil ;
}
return Qnil;
#define PUSH_C_STR(str, listvar) \
- listvar = Fcons (make_unibyte_string (str, strlen (str)), listvar)
+ listvar = Fcons (build_unibyte_string (str), listvar)
/* Prompt string always starts with map's prompt, and a space. */
prompt_strings = Fcons (name, prompt_strings);
Echo starting immediately unless `prompt' is 0.
+ If PREVENT_REDISPLAY is non-zero, avoid redisplay by calling
+ read_char with a suitable COMMANDFLAG argument.
+
Where a key sequence ends depends on the currently active keymaps.
These include any minor mode keymaps active in the current buffer,
the current buffer's local map, and the global map.
static int
read_key_sequence (Lisp_Object *keybuf, int bufsize, Lisp_Object prompt,
bool dont_downcase_last, bool can_return_switch_frame,
- bool fix_current_buffer)
+ bool fix_current_buffer, bool prevent_redisplay)
{
ptrdiff_t count = SPECPDL_INDEX ();
{
if (!NILP (prompt))
{
- /* Install the string STR as the beginning of the string of
- echoing, so that it serves as a prompt for the next
+ /* Install the string PROMPT as the beginning of the string
+ of echoing, so that it serves as a prompt for the next
character. */
kset_echo_string (current_kboard, prompt);
current_kboard->echo_after_prompt = SCHARS (prompt);
{
KBOARD *interrupted_kboard = current_kboard;
struct frame *interrupted_frame = SELECTED_FRAME ();
- key = read_char (NILP (prompt),
+ /* Calling read_char with COMMANDFLAG = -2 avoids
+ redisplay in read_char and its subroutines. */
+ key = read_char (prevent_redisplay ? -2 : NILP (prompt),
current_binding, last_nonmenu_event,
&used_mouse_menu, NULL);
if ((INTEGERP (key) && XINT (key) == -2) /* wrong_kboard_jmpbuf */
first_unbound = min (t, first_unbound);
head = EVENT_HEAD (key);
- if (help_char_p (head) && t > 0)
- {
- read_key_sequence_cmd = Vprefix_help_command;
- keybuf[t++] = key;
- last_nonmenu_event = key;
- /* The Microsoft C compiler can't handle the goto that
- would go here. */
- dummyflag = 1;
- break;
- }
if (SYMBOLP (head))
{
goto replay_sequence;
}
+
+ if (NILP (current_binding)
+ && help_char_p (EVENT_HEAD (key)) && t > 1)
+ {
+ read_key_sequence_cmd = Vprefix_help_command;
+ /* The Microsoft C compiler can't handle the goto that
+ would go here. */
+ dummyflag = 1;
+ break;
+ }
+
/* If KEY is not defined in any of the keymaps,
and cannot be part of a function key or translation,
and is a shifted function key,
return t;
}
-DEFUN ("read-key-sequence", Fread_key_sequence, Sread_key_sequence, 1, 5, 0,
- doc: /* Read a sequence of keystrokes and return as a string or vector.
-The sequence is sufficient to specify a non-prefix command in the
-current local and global maps.
-
-First arg PROMPT is a prompt string. If nil, do not prompt specially.
-Second (optional) arg CONTINUE-ECHO, if non-nil, means this key echos
-as a continuation of the previous key.
-
-The third (optional) arg DONT-DOWNCASE-LAST, if non-nil, means do not
-convert the last event to lower case. (Normally any upper case event
-is converted to lower case if the original event is undefined and the lower
-case equivalent is defined.) A non-nil value is appropriate for reading
-a key sequence to be defined.
-
-A C-g typed while in this function is treated like any other character,
-and `quit-flag' is not set.
-
-If the key sequence starts with a mouse click, then the sequence is read
-using the keymaps of the buffer of the window clicked in, not the buffer
-of the selected window as normal.
-
-`read-key-sequence' drops unbound button-down events, since you normally
-only care about the click or drag events which follow them. If a drag
-or multi-click event is unbound, but the corresponding click event would
-be bound, `read-key-sequence' turns the event into a click event at the
-drag's starting position. This means that you don't have to distinguish
-between click and drag, double, or triple events unless you want to.
-
-`read-key-sequence' prefixes mouse events on mode lines, the vertical
-lines separating windows, and scroll bars with imaginary keys
-`mode-line', `vertical-line', and `vertical-scroll-bar'.
-
-Optional fourth argument CAN-RETURN-SWITCH-FRAME non-nil means that this
-function will process a switch-frame event if the user switches frames
-before typing anything. If the user switches frames in the middle of a
-key sequence, or at the start of the sequence but CAN-RETURN-SWITCH-FRAME
-is nil, then the event will be put off until after the current key sequence.
-
-`read-key-sequence' checks `function-key-map' for function key
-sequences, where they wouldn't conflict with ordinary bindings. See
-`function-key-map' for more details.
-
-The optional fifth argument CMD-LOOP, if non-nil, means
-that this key sequence is being read by something that will
-read commands one after another. It should be nil if the caller
-will read just one key sequence. */)
- (Lisp_Object prompt, Lisp_Object continue_echo, Lisp_Object dont_downcase_last, Lisp_Object can_return_switch_frame, Lisp_Object cmd_loop)
+static Lisp_Object
+read_key_sequence_vs (Lisp_Object prompt, Lisp_Object continue_echo,
+ Lisp_Object dont_downcase_last,
+ Lisp_Object can_return_switch_frame,
+ Lisp_Object cmd_loop, bool allow_string)
{
Lisp_Object keybuf[30];
register int i;
i = read_key_sequence (keybuf, (sizeof keybuf / sizeof (keybuf[0])),
prompt, ! NILP (dont_downcase_last),
- ! NILP (can_return_switch_frame), 0);
+ ! NILP (can_return_switch_frame), 0, 0);
#if 0 /* The following is fine for code reading a key sequence and
then proceeding with a lengthy computation, but it's not good
QUIT;
}
UNGCPRO;
- return unbind_to (count, make_event_array (i, keybuf));
+ return unbind_to (count,
+ ((allow_string ? make_event_array : Fvector)
+ (i, keybuf)));
}
-DEFUN ("read-key-sequence-vector", Fread_key_sequence_vector,
- Sread_key_sequence_vector, 1, 5, 0,
- doc: /* Like `read-key-sequence' but always return a vector. */)
- (Lisp_Object prompt, Lisp_Object continue_echo, Lisp_Object dont_downcase_last, Lisp_Object can_return_switch_frame, Lisp_Object cmd_loop)
-{
- Lisp_Object keybuf[30];
- register int i;
- struct gcpro gcpro1;
- ptrdiff_t count = SPECPDL_INDEX ();
+DEFUN ("read-key-sequence", Fread_key_sequence, Sread_key_sequence, 1, 5, 0,
+ doc: /* Read a sequence of keystrokes and return as a string or vector.
+The sequence is sufficient to specify a non-prefix command in the
+current local and global maps.
- if (!NILP (prompt))
- CHECK_STRING (prompt);
- QUIT;
+First arg PROMPT is a prompt string. If nil, do not prompt specially.
+Second (optional) arg CONTINUE-ECHO, if non-nil, means this key echos
+as a continuation of the previous key.
- specbind (Qinput_method_exit_on_first_char,
- (NILP (cmd_loop) ? Qt : Qnil));
- specbind (Qinput_method_use_echo_area,
- (NILP (cmd_loop) ? Qt : Qnil));
+The third (optional) arg DONT-DOWNCASE-LAST, if non-nil, means do not
+convert the last event to lower case. (Normally any upper case event
+is converted to lower case if the original event is undefined and the lower
+case equivalent is defined.) A non-nil value is appropriate for reading
+a key sequence to be defined.
- memset (keybuf, 0, sizeof keybuf);
- GCPRO1 (keybuf[0]);
- gcpro1.nvars = (sizeof keybuf / sizeof (keybuf[0]));
+A C-g typed while in this function is treated like any other character,
+and `quit-flag' is not set.
- if (NILP (continue_echo))
- {
- this_command_key_count = 0;
- this_command_key_count_reset = 0;
- this_single_command_key_start = 0;
- }
+If the key sequence starts with a mouse click, then the sequence is read
+using the keymaps of the buffer of the window clicked in, not the buffer
+of the selected window as normal.
-#ifdef HAVE_WINDOW_SYSTEM
- if (display_hourglass_p)
- cancel_hourglass ();
-#endif
+`read-key-sequence' drops unbound button-down events, since you normally
+only care about the click or drag events which follow them. If a drag
+or multi-click event is unbound, but the corresponding click event would
+be bound, `read-key-sequence' turns the event into a click event at the
+drag's starting position. This means that you don't have to distinguish
+between click and drag, double, or triple events unless you want to.
- i = read_key_sequence (keybuf, (sizeof keybuf / sizeof (keybuf[0])),
- prompt, ! NILP (dont_downcase_last),
- ! NILP (can_return_switch_frame), 0);
+`read-key-sequence' prefixes mouse events on mode lines, the vertical
+lines separating windows, and scroll bars with imaginary keys
+`mode-line', `vertical-line', and `vertical-scroll-bar'.
-#ifdef HAVE_WINDOW_SYSTEM
- if (display_hourglass_p)
- start_hourglass ();
-#endif
+Optional fourth argument CAN-RETURN-SWITCH-FRAME non-nil means that this
+function will process a switch-frame event if the user switches frames
+before typing anything. If the user switches frames in the middle of a
+key sequence, or at the start of the sequence but CAN-RETURN-SWITCH-FRAME
+is nil, then the event will be put off until after the current key sequence.
- if (i == -1)
- {
- Vquit_flag = Qt;
- QUIT;
- }
- UNGCPRO;
- return unbind_to (count, Fvector (i, keybuf));
+`read-key-sequence' checks `function-key-map' for function key
+sequences, where they wouldn't conflict with ordinary bindings. See
+`function-key-map' for more details.
+
+The optional fifth argument CMD-LOOP, if non-nil, means
+that this key sequence is being read by something that will
+read commands one after another. It should be nil if the caller
+will read just one key sequence. */)
+ (Lisp_Object prompt, Lisp_Object continue_echo, Lisp_Object dont_downcase_last, Lisp_Object can_return_switch_frame, Lisp_Object cmd_loop)
+{
+ return read_key_sequence_vs (prompt, continue_echo, dont_downcase_last,
+ can_return_switch_frame, cmd_loop, true);
+}
+
+DEFUN ("read-key-sequence-vector", Fread_key_sequence_vector,
+ Sread_key_sequence_vector, 1, 5, 0,
+ doc: /* Like `read-key-sequence' but always return a vector. */)
+ (Lisp_Object prompt, Lisp_Object continue_echo, Lisp_Object dont_downcase_last, Lisp_Object can_return_switch_frame, Lisp_Object cmd_loop)
+{
+ return read_key_sequence_vs (prompt, continue_echo, dont_downcase_last,
+ can_return_switch_frame, cmd_loop, false);
}
\f
/* Return true if input events are pending. */
get_input_pending (READABLE_EVENTS_DO_TIMERS_NOW);
if (old_timers_run != timers_run && do_display)
- {
- redisplay_preserve_echo_area (8);
- /* The following fixes a bug when using lazy-lock with
- lazy-lock-defer-on-the-fly set to t, i.e. when fontifying
- from an idle timer function. The symptom of the bug is that
- the cursor sometimes doesn't become visible until the next X
- event is processed. --gerd. */
- {
- Lisp_Object tail, frame;
- FOR_EACH_FRAME (tail, frame)
- if (FRAME_RIF (XFRAME (frame)))
- FRAME_RIF (XFRAME (frame))->flush_display (XFRAME (frame));
- }
- }
+ redisplay_preserve_echo_area (8);
return input_pending;
}
return (!NILP (Vunread_command_events));
}
-
-DEFUN ("input-pending-p", Finput_pending_p, Sinput_pending_p, 0, 0, 0,
+DEFUN ("input-pending-p", Finput_pending_p, Sinput_pending_p, 0, 1, 0,
doc: /* Return t if command input is currently available with no wait.
Actually, the value is nil only if we can be sure that no input is available;
-if there is a doubt, the value is t. */)
- (void)
+if there is a doubt, the value is t.
+
+If CHECK-TIMERS is non-nil, timers that are ready to run will do so. */)
+ (Lisp_Object check_timers)
{
if (!NILP (Vunread_command_events)
|| !NILP (Vunread_post_input_method_events)
/* Process non-user-visible events (Bug#10195). */
process_special_events ();
- return (get_input_pending (READABLE_EVENTS_DO_TIMERS_NOW
+ return (get_input_pending ((NILP (check_timers)
+ ? 0 : READABLE_EVENTS_DO_TIMERS_NOW)
| READABLE_EVENTS_FILTER_EVENTS)
? Qt : Qnil);
}
The value is always a vector. */)
(void)
{
- return Fvector (raw_keybuf_count,
- (XVECTOR (raw_keybuf)->contents));
+ return Fvector (raw_keybuf_count, XVECTOR (raw_keybuf)->contents);
}
DEFUN ("reset-this-command-lengths", Freset_this_command_lengths,
"FOpen dribble file: ",
doc: /* Start writing all keyboard characters to a dribble file called FILE.
If FILE is nil, close any open dribble file.
-The file will be closed when Emacs exits. */)
+The file will be closed when Emacs exits.
+
+Be aware that this records ALL characters you type!
+This may include sensitive information such as passwords. */)
(Lisp_Object file)
{
if (dribble)
}
if (!NILP (file))
{
+ int fd;
+ Lisp_Object encfile;
+
file = Fexpand_file_name (file, Qnil);
- dribble = emacs_fopen (SSDATA (file), "w");
+ encfile = ENCODE_FILE (file);
+ fd = emacs_open (SSDATA (encfile), O_WRONLY | O_CREAT | O_EXCL, 0600);
+ if (fd < 0 && errno == EEXIST && unlink (SSDATA (encfile)) == 0)
+ fd = emacs_open (SSDATA (encfile), O_WRONLY | O_CREAT | O_EXCL, 0600);
+ dribble = fd < 0 ? 0 : fdopen (fd, "w");
if (dribble == 0)
report_file_error ("Opening dribble", file);
}
end_kbd_macro ();
}
- update_mode_lines++;
-
Vunread_command_events = Qnil;
discard_tty_input ();
with a window system; but suspend should be disabled in that case. */
get_tty_size (fileno (CURTTY ()->input), &width, &height);
if (width != old_width || height != old_height)
- change_frame_size (SELECTED_FRAME (), height, width, 0, 0, 0);
+ change_frame_size (SELECTED_FRAME (), width, height, 0, 0, 0, 0);
/* Run suspend-resume-hook. */
hook = intern ("suspend-resume-hook");
}
\f
void
-set_waiting_for_input (EMACS_TIME *time_to_clear)
+set_waiting_for_input (struct timespec *time_to_clear)
{
input_available_clear_time = time_to_clear;
return tem;
}
-\f
-/*
- * Set up a new kboard object with reasonable initial values.
- */
-void
-init_kboard (KBOARD *kb)
+/* Set up a new kboard object with reasonable initial values.
+ TYPE is a window system for which this keyboard is used. */
+
+static void
+init_kboard (KBOARD *kb, Lisp_Object type)
{
kset_overriding_terminal_local_map (kb, Qnil);
kset_last_command (kb, Qnil);
kb->reference_count = 0;
kset_system_key_alist (kb, Qnil);
kset_system_key_syms (kb, Qnil);
- kset_window_system (kb, Qt); /* Unset. */
+ kset_window_system (kb, type);
kset_input_decode_map (kb, Fmake_sparse_keymap (Qnil));
kset_local_function_key_map (kb, Fmake_sparse_keymap (Qnil));
Fset_keymap_parent (KVAR (kb, Vlocal_function_key_map), Vfunction_key_map);
kset_default_minibuffer_frame (kb, Qnil);
}
+/* Allocate and basically initialize keyboard
+ object to use with window system TYPE. */
+
+KBOARD *
+allocate_kboard (Lisp_Object type)
+{
+ KBOARD *kb = xmalloc (sizeof *kb);
+
+ init_kboard (kb, type);
+ kb->next_kboard = all_kboards;
+ all_kboards = kb;
+ return kb;
+}
+
/*
* Destroy the contents of a kboard object, but not the object itself.
* We use this just before deleting it, or if we're going to initialize
immediate_quit = 0;
quit_char = Ctl ('g');
Vunread_command_events = Qnil;
- timer_idleness_start_time = invalid_emacs_time ();
+ timer_idleness_start_time = invalid_timespec ();
total_keys = 0;
recent_keys_index = 0;
kbd_fetch_ptr = kbd_buffer;
current_kboard = initial_kboard;
/* Re-initialize the keyboard again. */
wipe_kboard (current_kboard);
- init_kboard (current_kboard);
/* A value of nil for Vwindow_system normally means a tty, but we also use
it for the initial terminal since there is no window system there. */
- kset_window_system (current_kboard, Qnil);
+ init_kboard (current_kboard, Qnil);
if (!noninteractive)
{
DEFSYM (Qvertical_line, "vertical-line");
DEFSYM (Qvertical_scroll_bar, "vertical-scroll-bar");
DEFSYM (Qmenu_bar, "menu-bar");
+ DEFSYM (Qright_divider, "right-divider");
+ DEFSYM (Qbottom_divider, "bottom-divider");
DEFSYM (Qmouse_fixup_help_message, "mouse-fixup-help-message");
DEFSYM (Qhelp_form_show, "help-form-show");
+ DEFSYM (Qecho_keystrokes, "echo-keystrokes");
+
Fset (Qinput_method_exit_on_first_char, Qnil);
Fset (Qinput_method_use_echo_area, Qnil);
defsubr (&Sabort_recursive_edit);
defsubr (&Sexit_recursive_edit);
defsubr (&Srecursion_depth);
+ defsubr (&Scommand_error_default_function);
defsubr (&Stop_level);
defsubr (&Sdiscard_input);
defsubr (&Sopen_dribble_file);
DEFVAR_KBOARD ("overriding-terminal-local-map",
Voverriding_terminal_local_map,
doc: /* Per-terminal keymap that takes precedence over all other keymaps.
-
This variable is intended to let commands such as `universal-argument'
set up a different keymap for reading the next command.
`overriding-terminal-local-map' has a separate binding for each
-terminal device.
-See Info node `(elisp)Multiple Terminals'. */);
+terminal device. See Info node `(elisp)Multiple Terminals'. */);
DEFVAR_LISP ("overriding-local-map", Voverriding_local_map,
- doc: /* Keymap that overrides almost all other local keymaps.
-If this variable is non-nil, it is used as a keymap--replacing the
-buffer's local map, the minor mode keymaps, and char property keymaps. */);
+ doc: /* Keymap that replaces (overrides) local keymaps.
+If this variable is non-nil, Emacs looks up key bindings in this
+keymap INSTEAD OF the keymap char property, minor mode maps, and the
+buffer's local map. Hence, the only active keymaps would be
+`overriding-terminal-local-map', this keymap, and `global-keymap', in
+order of precedence. */);
Voverriding_local_map = Qnil;
DEFVAR_LISP ("overriding-local-map-menu-flag", Voverriding_local_map_menu_flag,
Vthrow_on_input = Qnil;
DEFVAR_LISP ("command-error-function", Vcommand_error_function,
- doc: /* If non-nil, function to output error messages.
-The arguments are the error data, a list of the form
- (SIGNALED-CONDITIONS . SIGNAL-DATA)
-such as just as `condition-case' would bind its variable to,
-the context (a string which normally goes at the start of the message),
-and the Lisp function within which the error was signaled. */);
- Vcommand_error_function = Qnil;
+ doc: /* Function to output error messages.
+Called with three arguments:
+- the error data, a list of the form (SIGNALED-CONDITION . SIGNAL-DATA)
+ such as what `condition-case' would bind its variable to,
+- the context (a string which normally goes at the start of the message),
+- the Lisp function within which the error was signaled. */);
+ Vcommand_error_function = intern ("command-error-default-function");
DEFVAR_LISP ("enable-disabled-menus-and-buttons",
Venable_disabled_menus_and_buttons,
variable are `sigusr1' and `sigusr2'. */);
Vdebug_on_event = intern_c_string ("sigusr2");
- /* Create the initial keyboard. */
- initial_kboard = xmalloc (sizeof *initial_kboard);
- init_kboard (initial_kboard);
- /* Vwindow_system is left at t for now. */
- initial_kboard->next_kboard = all_kboards;
- all_kboards = initial_kboard;
+ /* Create the initial keyboard. Qt means 'unset'. */
+ initial_kboard = allocate_kboard (Qt);
}
void