/* 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;
at inopportune times. */
/* Symbols to head events. */
-Lisp_Object Qmouse_movement;
+static Lisp_Object Qmouse_movement;
static Lisp_Object Qscroll_bar_movement;
Lisp_Object Qswitch_frame;
static Lisp_Object Qfocus_in, Qfocus_out;
/* 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;
\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);
/* 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, ... */
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 cmd;
Lisp_Object keybuf[30];
ptrdiff_t count = SPECPDL_INDEX ();
int i;
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
|| poll_timer->interval.tv_sec != polling_period)
\f
/* Apply the control modifier to CHARACTER. */
+#ifndef HAVE_NTGUI
+static
+#endif
int
make_ctrl_char (int c)
{
\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,
struct timespec *end_time);
-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).
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 ();
{
c = read_decoded_event_from_main_queue (end_time, local_getcjmp,
prev_event, used_mouse_menu);
- if (end_time && timespec_cmp (*end_time, current_timespec ()) <= 0)
- 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
RETURN_UNGCPRO (c);
}
-#ifdef HAVE_MENUS
-
/* Record a key that came from a mouse menu.
Record it for echoing, for this-command-keys, and so on. */
/* 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++;
}
-#endif /* HAVE_MENUS */
-
/* Return true if should recognize C as "the help character". */
static bool
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. */
}
#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 (;;)
}
}
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
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
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 CONFIG_CHANGED_EVENT:
return list3 (Qconfig_changed_event,
event->arg, event->frame_or_window);
-#ifdef HAVE_GPM
- case GPM_CLICK_EVENT:
- {
- struct frame *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:
}
/* 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)
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 ;
}
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,
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);
}
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");
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
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");
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