#include <config.h>
#include <signal.h>
#include <stdio.h>
+#include "lisp.h"
#include "termchar.h"
#include "termopts.h"
-#include "lisp.h"
+#include "frame.h"
#include "termhooks.h"
#include "macros.h"
#include "keyboard.h"
-#include "frame.h"
#include "window.h"
#include "commands.h"
#include "buffer.h"
#endif /* not MSDOS */
#include "syssignal.h"
-#include "systty.h"
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
int interrupt_input_pending;
-/* File descriptor to use for input. */
-extern int input_fd;
-
#ifdef HAVE_WINDOW_SYSTEM
/* Make all keyboard buffers much bigger when using X windows. */
#ifdef MAC_OS8
/* User-supplied table to translate input characters. */
Lisp_Object Vkeyboard_translate_table;
-/* Keymap mapping ASCII function key sequences onto their preferred forms. */
-extern Lisp_Object Vfunction_key_map;
-
-/* Another keymap that maps key sequences into key sequences.
- This one takes precedence over ordinary definitions. */
-extern Lisp_Object Vkey_translation_map;
-
/* If non-nil, this implements the current input method. */
Lisp_Object Vinput_method_function;
Lisp_Object Qinput_method_function;
Lisp_Object Qpost_command_hook, Vpost_command_hook;
Lisp_Object Qcommand_hook_internal, Vcommand_hook_internal;
+/* Parent keymap of terminal-local function-key-map instances. */
+Lisp_Object Vfunction_key_map;
+
+/* Parent keymap of terminal-local key-translation-map instances. */
+Lisp_Object Vkey_translation_map;
+
/* List of deferred actions to be performed at a later time.
The precise format isn't relevant here; we just check whether it is nil. */
Lisp_Object Vdeferred_action_list;
/* Nonzero if input is available. */
int input_pending;
-/* 1 if should obey 0200 bit in input chars as "Meta", 2 if should
- keep 0200 bit in input chars. 0 to ignore the 0200 bit. */
-
-int meta_key;
-
/* Non-zero means force key bindings update in parse_menu_item. */
int update_menu_bindings;
/* Nonzero while interrupts are temporarily deferred during redisplay. */
int interrupts_deferred;
-/* Nonzero means use ^S/^Q for flow control. */
-int flow_control;
-
/* Allow m- file to inhibit use of FIONREAD. */
#ifdef BROKEN_FIONREAD
#undef FIONREAD
static void clear_event P_ ((struct input_event *));
static void any_kboard_state P_ ((void));
static SIGTYPE interrupt_signal P_ ((int signalnum));
+static void handle_interrupt P_ ((void));
static void timer_start_idle P_ ((void));
static void timer_stop_idle P_ ((void));
static void timer_resume_idle P_ ((void));
static struct kboard_stack *kboard_stack;
+void
+push_device_kboard (d)
+ struct device *d;
+{
+#ifdef MULTI_KBOARD
+ struct kboard_stack *p
+ = (struct kboard_stack *) xmalloc (sizeof (struct kboard_stack));
+
+ p->next = kboard_stack;
+ p->kboard = current_kboard;
+ kboard_stack = p;
+
+ current_kboard = d->kboard;
+#endif
+}
+
void
push_frame_kboard (f)
FRAME_PTR f;
yet, or we're not interactive, it's best to dump this message out
to stderr and exit. */
if (!sf->glyphs_initialized_p
- /* This is the case of the frame dumped with Emacs, when we're
- running under a window system. */
- || (!NILP (Vwindow_system)
- && !inhibit_window_system
- && FRAME_TERMCAP_P (sf))
+ || FRAME_INITIAL_P (sf)
|| noninteractive)
{
stream = Qexternal_debugging_output;
while (1)
{
internal_catch (Qtop_level, top_level_1, Qnil);
- /* Reset single_kboard in case top-level set it while
- evaluating an -f option, or we are stuck there for some
- other reason. */
- any_kboard_state ();
+ /* Reset single_kboard in case top-level set it while
+ evaluating an -f option, or we are stuck there for some
+ other reason. */
+ any_kboard_state ();
internal_catch (Qtop_level, command_loop_2, Qnil);
executing_kbd_macro = Qnil;
Lisp_Object keybuf[30];
int i;
int no_direct;
- int prev_modiff;
+ int prev_modiff = 0;
struct buffer *prev_buffer = NULL;
#ifdef MULTI_KBOARD
int was_locked = single_kboard;
#endif
- int already_adjusted;
+ int already_adjusted = 0;
current_kboard->Vprefix_arg = Qnil;
current_kboard->Vlast_prefix_arg = Qnil;
start_polling ()
{
#ifdef POLL_FOR_INPUT
- if (read_socket_hook && !interrupt_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. */
+ if (!interrupt_input)
{
/* Turn alarm handling on unconditionally. It might have
been turned off in process.c. */
input_polling_used ()
{
#ifdef POLL_FOR_INPUT
- return read_socket_hook && !interrupt_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. */
+ return !interrupt_input;
#else
return 0;
#endif
stop_polling ()
{
#ifdef POLL_FOR_INPUT
- if (read_socket_hook && !interrupt_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. */
+ if (!interrupt_input)
++poll_suppress_count;
#endif
}
}
last_event_timestamp = event->timestamp;
- interrupt_signal (0 /* dummy */);
+ handle_interrupt ();
return;
}
If there is no valid info, it does not store anything
so x remains nil. */
x = Qnil;
- (*mouse_position_hook) (&f, 0, &bar_window, &part, &x, &y, &time);
+
+ /* XXX Can f or mouse_position_hook be NULL here? */
+ if (f && FRAME_DEVICE (f)->mouse_position_hook)
+ (*FRAME_DEVICE (f)->mouse_position_hook) (&f, 0, &bar_window,
+ &part, &x, &y, &time);
obj = Qnil;
{
int len = SBYTES (name_alist_or_stem);
char *buf = (char *) alloca (len + 50);
- sprintf (buf, "%s-%ld", SDATA (name_alist_or_stem),
- (long) XINT (symbol_int) + 1);
+ sprintf (buf, "%s-%ld", SDATA (name_alist_or_stem),
+ (long) XINT (symbol_int) + 1);
value = intern (buf);
}
else if (name_table != 0 && name_table[symbol_num])
}
else
#ifdef POLL_FOR_INPUT
- if (read_socket_hook && !interrupt_input && poll_suppress_count == 0)
+ /* 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. */
+ if (!interrupt_input && poll_suppress_count == 0)
{
SIGMASKTYPE mask;
mask = sigblock (sigmask (SIGALRM));
read_avail_input (expected)
int expected;
{
- register int i;
int nread = 0;
+ int err = 0;
+ struct device *d;
- if (read_socket_hook)
+ /* Loop through the available devices, and call their input hooks. */
+ d = device_list;
+ while (d)
{
- int nr;
- struct input_event hold_quit;
+ struct device *next = d->next_device;
- EVENT_INIT (hold_quit);
- hold_quit.kind = NO_EVENT;
+ if (d->read_socket_hook)
+ {
+ int nr;
+ struct input_event hold_quit;
+
+ EVENT_INIT (hold_quit);
+ hold_quit.kind = NO_EVENT;
+
+ /* No need for FIONREAD or fcntl; just say don't wait. */
+ while (nr = (*d->read_socket_hook) (d, expected, &hold_quit), nr > 0)
+ {
+ nread += nr;
+ expected = 0;
+ }
+
+ if (nr == -1) /* Not OK to read input now. */
+ {
+ err = 1;
+ }
+ else if (nr == -2) /* Non-transient error. */
+ {
+ /* The display device terminated; it should be closed. */
+
+ /* Kill Emacs if this was our last display. */
+ if (! device_list->next_device)
+ /* Formerly simply reported no input, but that
+ sometimes led to a failure of Emacs to terminate.
+ SIGHUP seems appropriate if we can't reach the
+ terminal. */
+ /* ??? Is it really right to send the signal just to
+ this process rather than to the whole process
+ group? Perhaps on systems with FIONREAD Emacs is
+ alone in its group. */
+ kill (getpid (), SIGHUP);
+
+ /* XXX Is calling delete_device safe here? It calls Fdelete_frame. */
+ if (d->delete_device_hook)
+ (*d->delete_device_hook) (d);
+ else
+ delete_device (d);
+ }
+
+ if (hold_quit.kind != NO_EVENT)
+ kbd_buffer_store_event (&hold_quit);
+ }
- /* No need for FIONREAD or fcntl; just say don't wait. */
- while (nr = (*read_socket_hook) (input_fd, expected, &hold_quit), nr > 0)
- {
- nread += nr;
- expected = 0;
- }
- if (hold_quit.kind != NO_EVENT)
- kbd_buffer_store_event (&hold_quit);
+ d = next;
}
- else
- {
- /* Using KBD_BUFFER_SIZE - 1 here avoids reading more than
- the kbd_buffer can really hold. That may prevent loss
- of characters on some systems when input is stuffed at us. */
- unsigned char cbuf[KBD_BUFFER_SIZE - 1];
- int n_to_read;
- /* Determine how many characters we should *try* to read. */
+ if (err && !nread)
+ nread = -1;
+
+ return nread;
+}
+
+/* This is the tty way of reading available input.
+
+ Note that each terminal device has its own `struct device' object,
+ and so this function is called once for each individual termcap
+ display. The first parameter indicates which device to read from. */
+
+int
+tty_read_avail_input (struct device *device,
+ int expected,
+ struct input_event *hold_quit)
+{
+ /* Using KBD_BUFFER_SIZE - 1 here avoids reading more than
+ the kbd_buffer can really hold. That may prevent loss
+ of characters on some systems when input is stuffed at us. */
+ unsigned char cbuf[KBD_BUFFER_SIZE - 1];
+ int n_to_read, i;
+ struct tty_display_info *tty = device->display_info.tty;
+ int nread = 0;
+
+ if (device->type != output_termcap)
+ abort ();
+
+ /* XXX I think the following code should be moved to separate hook
+ functions in system-dependent files. */
#ifdef WINDOWSNT
- return 0;
+ return 0;
#else /* not WINDOWSNT */
#ifdef MSDOS
- n_to_read = dos_keysns ();
- if (n_to_read == 0)
- return 0;
+ n_to_read = dos_keysns ();
+ if (n_to_read == 0)
+ return 0;
+
+ cbuf[0] = dos_keyread ();
+ nread = 1;
+
#else /* not MSDOS */
+
+ if (! tty->term_initted) /* In case we get called during bootstrap. */
+ return 0;
+
+ if (! tty->input)
+ return 0; /* The terminal is suspended. */
+
+ /* Determine how many characters we should *try* to read. */
#ifdef FIONREAD
- /* Find out how much input is available. */
- if (ioctl (input_fd, FIONREAD, &n_to_read) < 0)
- /* Formerly simply reported no input, but that sometimes led to
- a failure of Emacs to terminate.
- SIGHUP seems appropriate if we can't reach the terminal. */
- /* ??? Is it really right to send the signal just to this process
- rather than to the whole process group?
- Perhaps on systems with FIONREAD Emacs is alone in its group. */
- {
- if (! noninteractive)
- kill (getpid (), SIGHUP);
- else
- n_to_read = 0;
- }
- if (n_to_read == 0)
- return 0;
- if (n_to_read > sizeof cbuf)
- n_to_read = sizeof cbuf;
+ /* Find out how much input is available. */
+ if (ioctl (fileno (tty->input), FIONREAD, &n_to_read) < 0)
+ {
+ if (! noninteractive)
+ return -2; /* Close this device. */
+ else
+ n_to_read = 0;
+ }
+ if (n_to_read == 0)
+ return 0;
+ if (n_to_read > sizeof cbuf)
+ n_to_read = sizeof cbuf;
#else /* no FIONREAD */
#if defined (USG) || defined (DGUX) || defined(CYGWIN)
- /* Read some input if available, but don't wait. */
- n_to_read = sizeof cbuf;
- fcntl (input_fd, F_SETFL, O_NDELAY);
+ /* Read some input if available, but don't wait. */
+ n_to_read = sizeof cbuf;
+ fcntl (fileno (tty->input), F_SETFL, O_NDELAY);
#else
- you lose;
+ you lose;
#endif
#endif
-#endif /* not MSDOS */
-#endif /* not WINDOWSNT */
- /* Now read; for one reason or another, this will not block.
- NREAD is set to the number of chars read. */
- do
- {
-#ifdef MSDOS
- cbuf[0] = dos_keyread ();
- nread = 1;
-#else
- nread = emacs_read (input_fd, cbuf, n_to_read);
-#endif
- /* POSIX infers that processes which are not in the session leader's
- process group won't get SIGHUP's at logout time. BSDI adheres to
- this part standard and returns -1 from read (0) with errno==EIO
- when the control tty is taken away.
- Jeffrey Honig <jch@bsdi.com> says this is generally safe. */
- if (nread == -1 && errno == EIO)
- kill (0, SIGHUP);
+ /* Now read; for one reason or another, this will not block.
+ NREAD is set to the number of chars read. */
+ do
+ {
+ nread = emacs_read (fileno (tty->input), cbuf, n_to_read);
+ /* POSIX infers that processes which are not in the session leader's
+ process group won't get SIGHUP's at logout time. BSDI adheres to
+ this part standard and returns -1 from read (0) with errno==EIO
+ when the control tty is taken away.
+ Jeffrey Honig <jch@bsdi.com> says this is generally safe. */
+ if (nread == -1 && errno == EIO)
+ return -2; /* Close this device. */
#if defined (AIX) && (! defined (aix386) && defined (_BSD))
- /* The kernel sometimes fails to deliver SIGHUP for ptys.
- This looks incorrect, but it isn't, because _BSD causes
- 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)
- kill (0, SIGHUP);
-#endif
- }
- while (
- /* We used to retry the read if it was interrupted.
- But this does the wrong thing when O_NDELAY causes
- an EAGAIN error. Does anybody know of a situation
- where a retry is actually needed? */
+ /* 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 device. */
+#endif
+ }
+ while (
+ /* We used to retry the read if it was interrupted.
+ But this does the wrong thing when O_NDELAY causes
+ an EAGAIN error. Does anybody know of a situation
+ where a retry is actually needed? */
#if 0
- nread < 0 && (errno == EAGAIN
+ nread < 0 && (errno == EAGAIN
#ifdef EFAULT
- || errno == EFAULT
+ || errno == EFAULT
#endif
#ifdef EBADSLT
- || errno == EBADSLT
+ || errno == EBADSLT
#endif
- )
+ )
#else
- 0
+ 0
#endif
- );
+ );
#ifndef FIONREAD
#if defined (USG) || defined (DGUX) || defined (CYGWIN)
- fcntl (input_fd, F_SETFL, 0);
+ fcntl (fileno (tty->input), F_SETFL, 0);
#endif /* USG or DGUX or CYGWIN */
#endif /* no FIONREAD */
- for (i = 0; i < nread; i++)
- {
- struct input_event buf;
- EVENT_INIT (buf);
- buf.kind = ASCII_KEYSTROKE_EVENT;
- buf.modifiers = 0;
- if (meta_key == 1 && (cbuf[i] & 0x80))
- buf.modifiers = meta_modifier;
- if (meta_key != 2)
- cbuf[i] &= ~0x80;
-
- buf.code = cbuf[i];
- buf.frame_or_window = selected_frame;
- buf.arg = Qnil;
-
- kbd_buffer_store_event (&buf);
- /* Don't look at input that follows a C-g too closely.
- This reduces lossage due to autorepeat on C-g. */
- if (buf.kind == ASCII_KEYSTROKE_EVENT
- && buf.code == quit_char)
- break;
- }
+
+ if (nread <= 0)
+ return nread;
+
+#endif /* not MSDOS */
+#endif /* not WINDOWSNT */
+
+ for (i = 0; i < nread; i++)
+ {
+ struct input_event buf;
+ EVENT_INIT (buf);
+ buf.kind = ASCII_KEYSTROKE_EVENT;
+ buf.modifiers = 0;
+ if (tty->meta_key == 1 && (cbuf[i] & 0x80))
+ buf.modifiers = meta_modifier;
+ if (tty->meta_key != 2)
+ cbuf[i] &= ~0x80;
+
+ 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. */
+ buf.frame_or_window = tty->top_frame;
+ buf.arg = Qnil;
+
+ kbd_buffer_store_event (&buf);
+ /* Don't look at input that follows a C-g too closely.
+ This reduces lossage due to autorepeat on C-g. */
+ if (buf.kind == ASCII_KEYSTROKE_EVENT
+ && buf.code == quit_char)
+ break;
}
return nread;
last_nonmenu_event = Qnil;
delayed_switch_frame = Qnil;
- fkey.map = fkey.parent = Vfunction_key_map;
- keytran.map = keytran.parent = Vkey_translation_map;
+ fkey.map = fkey.parent = current_kboard->Vlocal_function_key_map;
+ keytran.map = keytran.parent = current_kboard->Vlocal_key_translation_map;
/* If there is no translation-map, turn off scanning. */
fkey.start = fkey.end = KEYMAPP (fkey.map) ? 0 : bufsize + 1;
keytran.start = keytran.end = KEYMAPP (keytran.map) ? 0 : bufsize + 1;
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. */
- if (rif)
- rif->flush_display (NULL);
+ {
+ Lisp_Object tail, frame;
+ FOR_EACH_FRAME (tail, frame)
+ if (FRAME_RIF (XFRAME (frame)))
+ FRAME_RIF (XFRAME (frame))->flush_display (XFRAME (frame));
+ }
}
return input_pending;
int width, height;
struct gcpro gcpro1;
+ if (tty_list && tty_list->next)
+ error ("There are other tty frames open; close them before suspending Emacs");
+
if (!NILP (stuffstring))
CHECK_STRING (stuffstring);
call1 (Vrun_hooks, intern ("suspend-hook"));
GCPRO1 (stuffstring);
- get_frame_size (&old_width, &old_height);
- reset_sys_modes ();
+ get_tty_size (fileno (CURTTY ()->input), &old_width, &old_height);
+ reset_all_sys_modes ();
/* sys_suspend can get an error if it tries to fork a subshell
and the system resources aren't available for that. */
- record_unwind_protect ((Lisp_Object (*) P_ ((Lisp_Object))) init_sys_modes,
+ record_unwind_protect ((Lisp_Object (*) P_ ((Lisp_Object))) init_all_sys_modes,
Qnil);
stuff_buffered_input (stuffstring);
if (cannot_suspend)
/* Check if terminal/window size has changed.
Note that this is not useful when we are running directly
with a window system; but suspend should be disabled in that case. */
- get_frame_size (&width, &height);
+ 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);
{
input_available_clear_time = time_to_clear;
- /* Tell interrupt_signal to throw back to read_char, */
+ /* Tell handle_interrupt to throw back to read_char, */
waiting_for_input = 1;
- /* If interrupt_signal was called before and buffered a C-g,
+ /* If handle_interrupt was called before and buffered a C-g,
make it run again now, to avoid timing error. */
if (!NILP (Vquit_flag))
quit_throw_to_read_char ();
void
clear_waiting_for_input ()
{
- /* Tell interrupt_signal not to throw back to read_char, */
+ /* Tell handle_interrupt not to throw back to read_char, */
waiting_for_input = 0;
input_available_clear_time = 0;
}
-/* This routine is called at interrupt level in response to C-g.
-
- If interrupt_input, this is the handler for SIGINT. Otherwise, it
- is called from kbd_buffer_store_event, in handling SIGIO or
- SIGTINT.
+/* The SIGINT handler.
- If `waiting_for_input' is non zero, then unless `echoing' is
- nonzero, immediately throw back to read_char.
-
- 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. */
+ If we have a frame on the controlling tty, we assume that the
+ SIGINT was generated by C-g, so we call handle_interrupt.
+ Otherwise, the handler kills Emacs. */
static SIGTYPE
interrupt_signal (signalnum) /* If we don't have an argument, */
int signalnum; /* some compilers complain in signal calls. */
{
- char c;
/* Must preserve main program's value of errno. */
int old_errno = errno;
- struct frame *sf = SELECTED_FRAME ();
+ struct device *device;
#if defined (USG) && !defined (POSIX_SIGNALS)
- if (!read_socket_hook && NILP (Vwindow_system))
- {
- /* USG systems forget handlers when they are used;
- must reestablish each time */
- signal (SIGINT, interrupt_signal);
- signal (SIGQUIT, interrupt_signal);
- }
+ /* USG systems forget handlers when they are used;
+ must reestablish each time */
+ signal (SIGINT, interrupt_signal);
+ signal (SIGQUIT, interrupt_signal);
#endif /* USG */
SIGNAL_THREAD_CHECK (signalnum);
+
+ /* See if we have an active display on our controlling terminal. */
+ device = get_named_tty (NULL);
+ if (!device)
+ {
+ /* If there are no frames there, let's pretend that we are a
+ well-behaving UN*X program and quit. */
+ fatal_error_signal (SIGTERM);
+ }
+ else
+ {
+ /* Otherwise, the SIGINT was probably generated by C-g. */
+
+ /* Set internal_last_event_frame to the top frame of the
+ controlling tty, if we have a frame there. We disable the
+ interrupt key on secondary ttys, so the SIGINT must have come
+ from the controlling tty. */
+ internal_last_event_frame = device->display_info.tty->top_frame;
+
+ handle_interrupt ();
+ }
+
+ errno = old_errno;
+}
+
+/* This routine is called at interrupt level in response to C-g.
+
+ It is called from the SIGINT handler or kbd_buffer_store_event.
+
+ If `waiting_for_input' is non zero, then unless `echoing' is
+ nonzero, immediately throw back to read_char.
+
+ 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. */
+
+static void
+handle_interrupt ()
+{
+ char c;
+
cancel_echoing ();
+ /* XXX This code needs to be revised for multi-tty support. */
if (!NILP (Vquit_flag)
- && (FRAME_TERMCAP_P (sf) || FRAME_MSDOS_P (sf)))
+#ifndef MSDOS
+ && get_named_tty (NULL)
+#endif
+ )
{
/* If SIGINT isn't blocked, don't let us be interrupted by
another SIGINT, it might be harmful due to non-reentrancy
sigblock (sigmask (SIGINT));
fflush (stdout);
- reset_sys_modes ();
+ reset_all_sys_modes ();
#ifdef SIGTSTP /* Support possible in later USG versions */
/*
printf ("Continuing...\n");
#endif /* not MSDOS */
fflush (stdout);
- init_sys_modes ();
+ init_all_sys_modes ();
sigfree ();
}
else
}
if (waiting_for_input && !echoing)
- quit_throw_to_read_char ();
-
- errno = old_errno;
+ quit_throw_to_read_char ();
}
/* Handle a C-g by making read_char return C-g. */
(interrupt, flow, meta, quit)
Lisp_Object interrupt, flow, meta, quit;
{
+ /* XXX This function needs to be revised for multi-device support.
+ Currently it compiles fine, but its semantics are wrong. It sets
+ global parameters (e.g. interrupt_input) based on only the
+ current frame's device. */
+
if (!NILP (quit)
&& (!INTEGERP (quit) || XINT (quit) < 0 || XINT (quit) > 0400))
error ("set-input-mode: QUIT must be an ASCII character");
#endif
#ifndef DOS_NT
- /* this causes startup screen to be restored and messes with the mouse */
- reset_sys_modes ();
+ if (FRAME_TERMCAP_P (XFRAME (selected_frame)))
+ /* this causes startup screen to be restored and messes with the mouse */
+ reset_sys_modes (CURTTY ());
#endif
#ifdef SIGIO
/* Note SIGIO has been undef'd if FIONREAD is missing. */
- if (read_socket_hook)
+ if (FRAME_DEVICE (SELECTED_FRAME ())->read_socket_hook)
{
/* When using X, don't give the user a real choice,
because we haven't implemented the mechanisms to support it. */
interrupt_input = 1;
#endif
- flow_control = !NILP (flow);
- if (NILP (meta))
- meta_key = 0;
- else if (EQ (meta, Qt))
- meta_key = 1;
- else
- meta_key = 2;
+ if (FRAME_TERMCAP_P (XFRAME (selected_frame)))
+ {
+ struct tty_display_info *tty = CURTTY ();
+ tty->flow_control = !NILP (flow);
+ if (NILP (meta))
+ tty->meta_key = 0;
+ else if (EQ (meta, Qt))
+ tty->meta_key = 1;
+ else
+ tty->meta_key = 2;
+ }
+
if (!NILP (quit))
/* Don't let this value be out of range. */
- quit_char = XINT (quit) & (meta_key ? 0377 : 0177);
+ quit_char = XINT (quit) & (NILP (meta) ? 0177 : 0377);
#ifndef DOS_NT
- init_sys_modes ();
+ if (FRAME_TERMCAP_P (XFRAME (selected_frame)))
+ init_sys_modes (CURTTY ());
#endif
#ifdef POLL_FOR_INPUT
()
{
Lisp_Object val[4];
+ struct frame *sf = XFRAME (selected_frame);
val[0] = interrupt_input ? Qt : Qnil;
- val[1] = flow_control ? Qt : Qnil;
- val[2] = meta_key == 2 ? make_number (0) : meta_key == 1 ? Qt : Qnil;
+ if (FRAME_TERMCAP_P (sf))
+ {
+ val[1] = FRAME_TTY (sf)->flow_control ? Qt : Qnil;
+ val[2] = (FRAME_TTY (sf)->meta_key == 2
+ ? make_number (0)
+ : (CURTTY ()->meta_key == 1 ? Qt : Qnil));
+ }
+ else
+ {
+ val[1] = Qnil;
+ val[2] = Qt;
+ }
XSETFASTINT (val[3], quit_char);
return Flist (sizeof (val) / sizeof (val[0]), val);
kb->reference_count = 0;
kb->Vsystem_key_alist = Qnil;
kb->system_key_syms = Qnil;
+ kb->Vlocal_function_key_map = Fmake_sparse_keymap (Qnil);
+ Fset_keymap_parent (kb->Vlocal_function_key_map, Vfunction_key_map);
+ kb->Vlocal_key_translation_map = Fmake_sparse_keymap (Qnil);
+ Fset_keymap_parent (kb->Vlocal_key_translation_map, Vkey_translation_map);
kb->Vdefault_minibuffer_frame = Qnil;
}
&& FRAMEP (selected_frame)
&& FRAME_LIVE_P (XFRAME (selected_frame)))
{
- current_kboard = XFRAME (selected_frame)->kboard;
+ current_kboard = XFRAME (selected_frame)->device->kboard;
if (current_kboard == kb)
abort ();
}
wipe_kboard (current_kboard);
init_kboard (current_kboard);
- if (!noninteractive && !read_socket_hook && NILP (Vwindow_system))
+ if (!noninteractive)
{
+ /* Before multi-tty support, these handlers used to be installed
+ only if the current session was a tty session. Now an Emacs
+ 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. */
signal (SIGINT, interrupt_signal);
#if defined (HAVE_TERMIO) || defined (HAVE_TERMIOS)
/* For systems with SysV TERMIO, C-g is set up for both SIGINT and
command exit.
The value `kill-region' is special; it means that the previous command
-was a kill command. */);
+was a kill command.
+
+`last-command' has a separate binding for each display device.
+See Info node `(elisp)Multiple displays'. */);
DEFVAR_KBOARD ("real-last-command", Vreal_last_command,
doc: /* Same as `last-command', but never altered by Lisp code. */);
It also replaces `overriding-local-map'.
This variable is intended to let commands such as `universal-argument'
-set up a different keymap for reading the next command. */);
+set up a different keymap for reading the next command.
+
+`overriding-terminal-local-map' has a separate binding for each display device.
+See Info node `(elisp)Multiple displays'. */);
DEFVAR_LISP ("overriding-local-map", &Voverriding_local_map,
doc: /* Keymap that overrides all other local keymaps.
doc: /* Alist of system-specific X windows key symbols.
Each element should have the form (N . SYMBOL) where N is the
numeric keysym code (sans the \"system-specific\" bit 1<<28)
-and SYMBOL is its name. */);
+and SYMBOL is its name.
+
+`system-key-alist' has a separate binding for each display device.
+See Info node `(elisp)Multiple displays'.
+
+Note that the currently selected frame has very little to do with
+which binding of this variable is active at any given moment. If you
+need set or get the binding on a specific display, use
+`terminal-local-value' and `set-terminal-local-value'. */);
+
+ DEFVAR_KBOARD ("local-function-key-map", Vlocal_function_key_map,
+ doc: /* Keymap mapping ASCII function key sequences onto their preferred forms.
+This allows Emacs to recognize function keys sent from ASCII
+terminals at any point in a key sequence.
+
+The `read-key-sequence' function replaces any subsequence bound by
+`function-key-map' with its binding. More precisely, when the active
+keymaps have no binding for the current key sequence but
+`function-key-map' binds a suffix of the sequence to a vector or string,
+`read-key-sequence' replaces the matching suffix with its binding, and
+continues with the new sequence.
+
+The events that come from bindings in `function-key-map' are not
+themselves looked up in `function-key-map'.
+
+For example, suppose `function-key-map' binds `ESC O P' to [f1].
+Typing `ESC O P' to `read-key-sequence' would return [f1]. Typing
+`C-x ESC O P' would return [?\\C-x f1]. If [f1] were a prefix
+key, typing `ESC O P x' would return [f1 x].
+
+`function-key-map' has a separate binding for each display device.
+See Info node `(elisp)Multiple displays'. If you need to define a
+binding on all display devices, change `global-function-key-map'
+instead.
+
+Note that the currently selected frame has very little to do with
+which binding of this variable is active at any given moment. If you
+need set or get the binding on a specific display, use
+`terminal-local-value' and `set-terminal-local-value'. */);
+
+ DEFVAR_LISP ("function-key-map", &Vfunction_key_map,
+ doc: /* The parent keymap of all `local-function-key-map' instances.
+Function key definitions that apply to all display devices should go
+here. */);
+ Vfunction_key_map = Fmake_sparse_keymap (Qnil);
+
+ DEFVAR_KBOARD ("local-key-translation-map", Vlocal_key_translation_map,
+ doc: /* Keymap of key translations that can override keymaps.
+This keymap works like `function-key-map', but comes after that,
+and its non-prefix bindings override ordinary bindings.
+
+`key-translation-map' has a separate binding for each display device.
+(See Info node `(elisp)Multiple displays'.) If you need to set a key
+translation on all devices, change `global-key-translation-map' instead.
+
+Note that the currently selected frame has very little to do with
+which binding of this variable is active at any given moment. If you
+need set or get the binding on a specific display, use
+`terminal-local-value' and `set-terminal-local-value'. */);
+
+ DEFVAR_LISP ("key-translation-map", &Vkey_translation_map,
+ doc: /* The parent keymap of all `local-key-translation-map' instances.
+Key translations that apply to all display devices should go here. */);
+ Vkey_translation_map = Fmake_sparse_keymap (Qnil);
DEFVAR_LISP ("deferred-action-list", &Vdeferred_action_list,
doc: /* List of deferred actions to be performed at a later time.
mark_object (kb->Vlast_kbd_macro);
mark_object (kb->Vsystem_key_alist);
mark_object (kb->system_key_syms);
+ mark_object (kb->Vlocal_function_key_map);
+ mark_object (kb->Vlocal_key_translation_map);
mark_object (kb->Vdefault_minibuffer_frame);
mark_object (kb->echo_string);
}