#include "nsterm.h"
#endif
-/* Variables for blockinput.h: */
+/* Variables for blockinput.h: */
/* Non-zero if interrupt input is blocked right now. */
volatile int interrupt_input_blocked;
Lisp_Object Qevent_kind;
static Lisp_Object Qevent_symbol_elements;
-/* menu and tool bar item parts */
+/* Menu and tool bar item parts. */
static Lisp_Object Qmenu_enable;
static Lisp_Object QCenable, QCvisible, QChelp, QCkeys, QCkey_sequence;
Lisp_Object QCfilter;
\f
#if 0 /* These two functions are now replaced with
- temporarily_switch_to_single_kboard. */
+ temporarily_switch_to_single_kboard. */
static void
any_kboard_state ()
{
Vquit_flag = Qnil;
Vinhibit_quit = Qnil;
-#if 0 /* This shouldn't be necessary anymore. --lorentey */
+#if 0 /* This shouldn't be necessary anymore. --lorentey */
if (command_loop_level == 0 && minibuf_level == 0)
any_kboard_state ();
#endif
#if 0 /* This shouldn't be necessary anymore. --lorentey */
/* Reset single_kboard in case top-level set it while
evaluating an -f option, or we are stuck there for some
- other reason. */
+ other reason. */
any_kboard_state ();
#endif
internal_catch (Qtop_level, command_loop_2, Qnil);
if (!NILP (Vquit_flag))
{
Vexecuting_kbd_macro = Qt;
- QUIT; /* Make some noise. */
- /* Will return since macro now empty. */
+ QUIT; /* Make some noise. */
+ /* Will return since macro now empty. */
}
}
Vdisable_point_adjustment = Qnil;
/* Process filters and timers may have messed with deactivate-mark.
- reset it before we execute the command. */
+ reset it before we execute the command. */
Vdeactivate_mark = Qnil;
/* Remap command through active keymaps. */
}
else
{
- /* Here for a command that isn't executed directly */
+ /* Here for a command that isn't executed directly. */
#ifdef HAVE_WINDOW_SYSTEM
int scount = SPECPDL_INDEX ();
poll_for_input_1 (void)
{
/* Tell ns_read_socket() it is being called asynchronously so it can avoid
- doing anything dangerous. */
+ doing anything dangerous. */
#ifdef HAVE_NS
++handling_signal;
#endif
#ifdef POLL_FOR_INPUT
/* XXX This condition was (read_socket_hook && !interrupt_input),
but read_socket_hook is not global anymore. Let's pretend that
- it's always set. */
+ it's always set. */
if (!interrupt_input)
{
/* Turn alarm handling on unconditionally. It might have
#ifdef POLL_FOR_INPUT
/* XXX This condition was (read_socket_hook && !interrupt_input),
but read_socket_hook is not global anymore. Let's pretend that
- it's always set. */
+ it's always set. */
return !interrupt_input;
#else
return 0;
#ifdef POLL_FOR_INPUT
/* XXX This condition was (read_socket_hook && !interrupt_input),
but read_socket_hook is not global anymore. Let's pretend that
- it's always set. */
+ it's always set. */
if (!interrupt_input)
++poll_suppress_count;
#endif
real event came from. Normally, a switch-frame event selects
internal_last_event_frame after each command is read, but
events read from a macro should never cause a new frame to be
- selected. */
+ selected. */
Vlast_event_frame = internal_last_event_frame = Qmacro;
/* Exit the macro if we are at the end.
Try this before the sit-for, because the sit-for
would do the wrong thing if we are supposed to do
menu prompting. If EVENT_HAS_PARAMETERS then we are reading
- after a mouse event so don't try a minibuf menu. */
+ after a mouse event so don't try a minibuf menu. */
c = Qnil;
if (nmaps > 0 && INTERACTIVE
&& !NILP (prev_event) && ! EVENT_HAS_PARAMETERS (prev_event)
"break", /* 0xff6b */
0, 0, 0, 0,
- 0, 0, 0, 0, "backtab", 0, 0, 0, /* 0xff70... */
- 0, 0, 0, 0, 0, 0, 0, "kp-numlock", /* 0xff78... */
+ 0, 0, 0, 0, "backtab", 0, 0, 0, /* 0xff70... */
+ 0, 0, 0, 0, 0, 0, 0, "kp-numlock", /* 0xff78... */
"kp-space", /* 0xff80 */ /* IsKeypadKey */
0, 0, 0, 0, 0, 0, 0, 0,
"kp-tab", /* 0xff89 */
static Lisp_Object button_down_location;
/* Information about the most recent up-going button event: Which
- button, what location, and what time. */
+ button, what location, and what time. */
static int last_mouse_button;
static int last_mouse_x;
static int last_mouse_y;
static Time button_down_time;
-/* The number of clicks in this multiple-click. */
+/* The number of clicks in this multiple-click. */
static int double_click_count;
#ifdef HAVE_NS
/* NS_NONKEY_EVENTs are just like NON_ASCII_KEYSTROKE_EVENTs,
- except that they are non-key events (last-nonmenu-event is nil). */
+ except that they are non-key events (last-nonmenu-event is nil). */
case NS_NONKEY_EVENT:
#endif
Fcons (make_number (event->timestamp),
Fcons (part, Qnil)))));
- /* Always treat scroll bar events as clicks. */
+ /* Always treat scroll bar events as clicks. */
event->modifiers |= click_modifier;
event->modifiers &= ~up_modifier;
If READABLE_EVENTS_FILTER_EVENTS is set in FLAGS, ignore internal
events (FOCUS_IN_EVENT).
If READABLE_EVENTS_IGNORE_SQUEEZABLES is set in FLAGS, ignore mouse
- movements and toolkit scroll bar thumb drags. */
+ movements and toolkit scroll bar thumb drags. */
static void
get_input_pending (int *addr, int flags)
#ifdef POLL_FOR_INPUT
/* XXX This condition was (read_socket_hook && !interrupt_input),
but read_socket_hook is not global anymore. Let's pretend that
- it's always set. */
+ it's always set. */
if (!interrupt_input && poll_suppress_count == 0)
{
SIGMASKTYPE mask;
if (store_user_signal_events ())
expected = 0;
- /* Loop through the available terminals, and call their input hooks. */
+ /* Loop through the available terminals, and call their input hooks. */
t = terminal_list;
while (t)
{
expected = 0;
}
- if (nr == -1) /* Not OK to read input now. */
+ if (nr == -1) /* Not OK to read input now. */
{
err = 1;
}
- else if (nr == -2) /* Non-transient error. */
+ else if (nr == -2) /* Non-transient error. */
{
- /* The terminal device terminated; it should be closed. */
+ /* The terminal device terminated; it should be closed. */
- /* Kill Emacs if this was our last terminal. */
+ /* Kill Emacs if this was our last terminal. */
if (!terminal_list->next_terminal)
/* Formerly simply reported no input, but that
sometimes led to a failure of Emacs to terminate.
alone in its group. */
kill (getpid (), SIGHUP);
- /* XXX Is calling delete_terminal safe here? It calls delete_frame. */
+ /* XXX Is calling delete_terminal safe here? It calls delete_frame. */
{
Lisp_Object tmp;
XSETTERMINAL (tmp, t);
return 0;
#endif /* subprocesses */
- if (!terminal->name) /* Don't read from a dead terminal. */
+ if (!terminal->name) /* Don't read from a dead terminal. */
return 0;
if (terminal->type != output_termcap
abort ();
/* XXX I think the following code should be moved to separate hook
- functions in system-dependent files. */
+ functions in system-dependent files. */
#ifdef WINDOWSNT
return 0;
#else /* not WINDOWSNT */
- if (! tty->term_initted) /* In case we get called during bootstrap. */
+ if (! tty->term_initted) /* In case we get called during bootstrap. */
return 0;
if (! tty->input)
- return 0; /* The terminal is suspended. */
+ return 0; /* The terminal is suspended. */
#ifdef MSDOS
n_to_read = dos_keysns ();
Gpm_GetEvent closes gpm_fd and clears it to -1, which is why
we save it in `fd' so close_gpm can remove it from the
select masks.
- gpm==-1 if a protocol error or EWOULDBLOCK; the latter is normal. */
+ gpm==-1 if a protocol error or EWOULDBLOCK; the latter is normal. */
while (gpm = Gpm_GetEvent (&event), gpm == 1) {
nread += handle_one_term_event (tty, &event, &gpm_hold_quit);
}
if (ioctl (fileno (tty->input), FIONREAD, &n_to_read) < 0)
{
if (! noninteractive)
- return -2; /* Close this terminal. */
+ return -2; /* Close this terminal. */
else
n_to_read = 0;
}
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. */
+ Jeffrey Honig <jch@bsdi.com> says this is generally safe. */
if (nread == -1 && errno == EIO)
- return -2; /* Close this terminal. */
+ return -2; /* Close this terminal. */
#if defined (AIX) && defined (_BSD)
/* The kernel sometimes fails to deliver SIGHUP for ptys.
This looks incorrect, but it isn't, because _BSD causes
O_NDELAY to be defined in fcntl.h as O_NONBLOCK,
and that causes a value other than 0 when there is no input. */
if (nread == 0)
- return -2; /* Close this terminal. */
+ return -2; /* Close this terminal. */
#endif
}
while (
buf.code = cbuf[i];
/* Set the frame corresponding to the active tty. Note that the
value of selected_frame is not reliable here, redisplay tends
- to temporarily change it. */
+ to temporarily change it. */
buf.frame_or_window = tty->top_frame;
buf.arg = Qnil;
pending_signals = pending_atimers;
#endif
/* Tell ns_read_socket() it is being called asynchronously so it can avoid
- doing anything dangerous. */
+ doing anything dangerous. */
#ifdef HAVE_NS
++handling_signal;
#endif
This function exists so that the UNBLOCK_INPUT macro in
blockinput.h can have some way to take care of input we put off
dealing with, without assuming that every file which uses
- UNBLOCK_INPUT also has #included the files necessary to get SIGIO. */
+ UNBLOCK_INPUT also has #included the files necessary to get SIGIO. */
void
reinvoke_input_signal (void)
{
struct user_signal_info *next;
};
-/* List of user signals. */
+/* List of user signals. */
static struct user_signal_info *user_signals = NULL;
void
{
tem = XCAR (item);
if (SYMBOLP (tem) || STRINGP (tem) || VECTORP (tem))
- /* Be GC protected. Set keyhint to item instead of tem. */
+ /* Be GC protected. Set keyhint to item instead of tem. */
keyhint = item;
}
else if (EQ (tem, QCkeys))
if (inmenubar > 0)
return 1;
- { /* This is a command. See if there is an equivalent key binding. */
+ { /* This is a command. See if there is an equivalent key binding. */
Lisp_Object keyeq = AREF (item_properties, ITEM_PROPERTY_KEYEQ);
/* The previous code preferred :key-sequence to :keys, so we
These are done in different ways, depending on how the input will be read.
Menus using X are done after auto-saving in read-char, getting the input
event from Fx_popup_menu; menus using the minibuf use read_char recursively
- and do auto-saving in the inner call of read_char. */
+ and do auto-saving in the inner call of read_char. */
static Lisp_Object
read_char_x_menu_prompt (ptrdiff_t nmaps, Lisp_Object *maps,
tem
= XVECTOR (item_properties)->contents[ITEM_PROPERTY_KEYEQ];
if (!NILP (tem))
- /* Insert equivalent keybinding. */
+ /* Insert equivalent keybinding. */
s = concat2 (s, tem);
#endif
tem
= XVECTOR (item_properties)->contents[ITEM_PROPERTY_TYPE];
if (EQ (tem, QCradio) || EQ (tem, QCtoggle))
{
- /* Insert button prefix. */
+ /* Insert button prefix. */
Lisp_Object selected
= XVECTOR (item_properties)->contents[ITEM_PROPERTY_SELECTED];
if (EQ (tem, QCradio))
/* If keybuf[fkey->start..fkey->end] is bound in the
map and we're in a position to do the key remapping, replace it with
- the binding and restart with fkey->start at the end. */
+ the binding and restart with fkey->start at the end. */
if ((VECTORP (next) || STRINGP (next)) && doit)
{
int len = XFASTINT (Flength (next));
/* Non-zero if we are trying to map a key by changing an upper-case
letter to lower case, or a shifted function key to an unshifted
- one. */
+ one. */
int shift_translated = 0;
/* If we receive a `switch-frame' or `select-window' event in the middle of
While we're reading, we keep the event here. */
Lisp_Object delayed_switch_frame;
- /* See the comment below... */
+ /* See the comment below... */
#if defined (GOBBLE_FIRST_EVENT)
Lisp_Object first_event;
#endif
if (!found)
{
/* Don't touch interrupted_kboard when it's been
- deleted. */
+ deleted. */
delayed_switch_frame = Qnil;
goto replay_entire_sequence;
}
{
/* If we're at the beginning of a key sequence, and the caller
says it's okay, go ahead and return this event. If we're
- in the midst of a key sequence, delay it until the end. */
+ in the midst of a key sequence, delay it until the end. */
if (t > 0 || !can_return_switch_frame)
{
delayed_switch_frame = key;
Down-clicks are eliminated.
Double-downs reduce to downs, then are eliminated.
Triple-downs reduce to double-downs, then to downs,
- then are eliminated. */
+ then are eliminated. */
if (modifiers & (down_modifier | drag_modifier
| double_modifier | triple_modifier))
{
waiting_for_input = 1;
/* If handle_interrupt was called before and buffered a C-g,
- make it run again now, to avoid timing error. */
+ make it run again now, to avoid timing error. */
if (!NILP (Vquit_flag))
quit_throw_to_read_char ();
}
static void
interrupt_signal (int signalnum) /* If we don't have an argument, some */
- /* compilers complain in signal calls. */
+ /* compilers complain in signal calls. */
{
/* Must preserve main program's value of errno. */
int old_errno = errno;
SIGNAL_THREAD_CHECK (signalnum);
- /* See if we have an active terminal on our controlling tty. */
+ /* See if we have an active terminal on our controlling tty. */
terminal = get_named_tty ("/dev/tty");
if (!terminal)
{
/* If there are no frames there, let's pretend that we are a
- well-behaving UN*X program and quit. */
+ well-behaving UN*X program and quit. */
Fkill_emacs (Qnil);
}
else
Otherwise it sets the Lisp variable quit-flag not-nil. This causes
eval to throw, when it gets a chance. If quit-flag is already
- non-nil, it stops the job right away. */
+ non-nil, it stops the job right away. */
static void
handle_interrupt (void)
cancel_echoing ();
- /* XXX This code needs to be revised for multi-tty support. */
+ /* XXX This code needs to be revised for multi-tty support. */
if (!NILP (Vquit_flag) && get_named_tty ("/dev/tty"))
{
/* If SIGINT isn't blocked, don't let us be interrupted by
wait_reading_process_output() under HAVE_NS because of the call
to ns_select there (needed because otherwise events aren't picked up
outside of polling since we don't get SIGIO like X and we don't have a
- separate event loop thread like W32. */
+ separate event loop thread like W32. */
#ifndef HAVE_NS
if (waiting_for_input && !echoing)
quit_throw_to_read_char ();
session may have multiple display types, so we always handle
SIGINT. There is special code in interrupt_signal to exit
Emacs on SIGINT when there are no termcap frames on the
- controlling terminal. */
+ controlling terminal. */
signal (SIGINT, interrupt_signal);
#ifndef DOS_NT
/* For systems with SysV TERMIO, C-g is set up for both SIGINT and
variable are `sigusr1' and `sigusr2'. */);
Vdebug_on_event = intern_c_string ("sigusr2");
- /* Create the initial keyboard. */
+ /* Create the initial keyboard. */
initial_kboard = (KBOARD *) xmalloc (sizeof (KBOARD));
init_kboard (initial_kboard);
/* Vwindow_system is left at t for now. */