/* Terminal control module for terminals described by TERMCAP
Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1998, 2000, 2001,
- 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <signal.h>
#include <stdarg.h>
+#include <setjmp.h>
#include "lisp.h"
#include "termchar.h"
#include "syssignal.h"
#include "systty.h"
#include "intervals.h"
+#ifdef MSDOS
+#include "msdos.h"
+static int been_here = -1;
+#endif
/* For now, don't try to include termcap.h. On some systems,
configure finds a non-standard termcap.h that the main build
won't find. */
-
-#if defined HAVE_TERMCAP_H && 0
-#include <termcap.h>
-#else
-extern void tputs P_ ((const char *, int, int (*)(int)));
-extern int tgetent P_ ((char *, const char *));
-extern int tgetflag P_ ((char *id));
-extern int tgetnum P_ ((char *id));
-#endif
+extern void tputs (const char *, int, int (*)(int));
+extern int tgetent (char *, const char *);
+extern int tgetflag (char *id);
+extern int tgetnum (char *id);
#include "cm.h"
#ifdef HAVE_X_WINDOWS
#include "xterm.h"
#endif
-#ifdef MAC_OS
-#include "macterm.h"
-#endif
#ifndef O_RDWR
#define O_RDWR 2
#define DEV_TTY "/dev/tty"
#endif
-static void tty_set_scroll_region P_ ((struct frame *f, int start, int stop));
-static void turn_on_face P_ ((struct frame *, int face_id));
-static void turn_off_face P_ ((struct frame *, int face_id));
-static void tty_show_cursor P_ ((struct tty_display_info *));
-static void tty_hide_cursor P_ ((struct tty_display_info *));
-static void tty_background_highlight P_ ((struct tty_display_info *tty));
-static void clear_tty_hooks P_ ((struct terminal *terminal));
-static void set_tty_hooks P_ ((struct terminal *terminal));
-static void dissociate_if_controlling_tty P_ ((int fd));
-static void delete_tty P_ ((struct terminal *));
+static void tty_set_scroll_region (struct frame *f, int start, int stop);
+static void turn_on_face (struct frame *, int face_id);
+static void turn_off_face (struct frame *, int face_id);
+static void tty_show_cursor (struct tty_display_info *);
+static void tty_hide_cursor (struct tty_display_info *);
+static void tty_background_highlight (struct tty_display_info *tty);
+static void clear_tty_hooks (struct terminal *terminal);
+static void set_tty_hooks (struct terminal *terminal);
+static void dissociate_if_controlling_tty (int fd);
+static void delete_tty (struct terminal *);
#define OUTPUT(tty, a) \
emacs_tputs ((tty), a, \
char *tparam ();
-extern char *tgetstr ();
+extern char *tgetstr (char *, char **);
\f
#ifdef HAVE_GPM
#include <sys/fcntl.h>
-static void term_clear_mouse_face ();
+static void term_clear_mouse_face (void);
static void term_mouse_highlight (struct frame *f, int x, int y);
/* The device for which we have enabled gpm support (or NULL). */
sequence, and return a pointer to that byte sequence. */
unsigned char *
-encode_terminal_code (src, src_len, coding)
- struct glyph *src;
- int src_len;
- struct coding_system *coding;
+encode_terminal_code (struct glyph *src, int src_len, struct coding_system *coding)
{
struct glyph *src_end = src + src_len;
unsigned char *buf;
required = MAX_MULTIBYTE_LENGTH * src_len;
if (encode_terminal_src_size < required)
{
- if (encode_terminal_src_size == 0)
- encode_terminal_src = xmalloc (required);
- else
+ if (encode_terminal_src)
encode_terminal_src = xrealloc (encode_terminal_src, required);
+ else
+ encode_terminal_src = xmalloc (required);
encode_terminal_src_size = required;
}
{
if (src->type == COMPOSITE_GLYPH)
{
- struct composition *cmp = composition_table[src->u.cmp_id];
+ struct composition *cmp;
+ Lisp_Object gstring;
int i;
nbytes = buf - encode_terminal_src;
- required = MAX_MULTIBYTE_LENGTH * cmp->glyph_len;
+ if (src->u.cmp.automatic)
+ {
+ gstring = composition_gstring_from_id (src->u.cmp.id);
+ required = src->u.cmp.to + 1 - src->u.cmp.from;
+ }
+ else
+ {
+ cmp = composition_table[src->u.cmp.id];
+ required = MAX_MULTIBYTE_LENGTH * cmp->glyph_len;
+ }
if (encode_terminal_src_size < nbytes + required)
{
buf = encode_terminal_src + nbytes;
}
- for (i = 0; i < cmp->glyph_len; i++)
- {
- int c = COMPOSITION_GLYPH (cmp, i);
+ if (src->u.cmp.automatic)
+ for (i = src->u.cmp.from; i <= src->u.cmp.to; i++)
+ {
+ Lisp_Object g = LGSTRING_GLYPH (gstring, i);
+ int c = LGLYPH_CHAR (g);
- if (! char_charset (c, charset_list, NULL))
- break;
- buf += CHAR_STRING (c, buf);
- nchars++;
- }
- if (i == 0)
- {
- /* The first character of the composition is not encodable. */
- *buf++ = '?';
- nchars++;
- }
+ if (! char_charset (c, charset_list, NULL))
+ c = '?';
+ buf += CHAR_STRING (c, buf);
+ nchars++;
+ }
+ else
+ for (i = 0; i < cmp->glyph_len; i++)
+ {
+ int c = COMPOSITION_GLYPH (cmp, i);
+
+ if (c == '\t')
+ continue;
+ if (char_charset (c, charset_list, NULL))
+ {
+ if (CHAR_WIDTH (c) == 0
+ && i > 0 && COMPOSITION_GLYPH (cmp, i - 1) == '\t')
+ /* Should be left-padded */
+ {
+ buf += CHAR_STRING (' ', buf);
+ nchars++;
+ }
+ }
+ else
+ c = '?';
+ buf += CHAR_STRING (c, buf);
+ nchars++;
+ }
}
/* We must skip glyphs to be padded for a wide character. */
else if (! CHAR_GLYPH_PADDING_P (*src))
if (GLYPH_INVALID_P (g) || GLYPH_SIMPLE_P (tbase, tlen, g))
{
- /* This glyph doesn't has an entry in Vglyph_table. */
+ /* This glyph doesn't have an entry in Vglyph_table. */
c = src->u.ch;
}
else
if (encode_terminal_dst_size == 0)
{
encode_terminal_dst_size = encode_terminal_src_size;
- encode_terminal_dst = xmalloc (encode_terminal_dst_size);
+ if (encode_terminal_dst)
+ encode_terminal_dst = xrealloc (encode_terminal_dst,
+ encode_terminal_dst_size);
+ else
+ encode_terminal_dst = xmalloc (encode_terminal_dst_size);
}
coding->destination = encode_terminal_dst;
coding->dst_bytes = encode_terminal_dst_size;
#ifdef HAVE_GPM /* Only used by GPM code. */
static void
-tty_write_glyphs_with_face (f, string, len, face_id)
- register struct frame *f;
- register struct glyph *string;
- register int len, face_id;
+tty_write_glyphs_with_face (register struct frame *f, register struct glyph *string,
+ register int len, register int face_id)
{
unsigned char *conversion_buffer;
struct coding_system *coding;
static char **term_get_fkeys_address;
static KBOARD *term_get_fkeys_kboard;
-static Lisp_Object term_get_fkeys_1 ();
+static Lisp_Object term_get_fkeys_1 (void);
/* Find the escape codes sent by the function keys for Vinput_decode_map.
This function scans the termcap function key sequence entries, and
adds entries to Vinput_decode_map for each function key it finds. */
static void
-term_get_fkeys (address, kboard)
- char **address;
- KBOARD *kboard;
+term_get_fkeys (char **address, KBOARD *kboard)
{
/* We run the body of the function (term_get_fkeys_1) and ignore all Lisp
errors during the call. The only errors should be from Fdefine_key
function key specification, rather than giving the user an error and
refusing to run at all on such a terminal. */
- extern Lisp_Object Fidentity ();
+ extern Lisp_Object Fidentity (Lisp_Object);
term_get_fkeys_address = address;
term_get_fkeys_kboard = kboard;
internal_condition_case (term_get_fkeys_1, Qerror, Fidentity);
}
static Lisp_Object
-term_get_fkeys_1 ()
+term_get_fkeys_1 (void)
{
int i;
#define produce_composite_glyph produce_composite_glyph_term
#endif
-static void append_glyph P_ ((struct it *));
-static void produce_stretch_glyph P_ ((struct it *));
-static void append_composite_glyph P_ ((struct it *));
-static void produce_composite_glyph P_ ((struct it *));
+static void append_glyph (struct it *);
+static void produce_stretch_glyph (struct it *);
+static void append_composite_glyph (struct it *);
+static void produce_composite_glyph (struct it *);
/* Append glyphs to IT's glyph_row. Called from produce_glyphs for
terminal frames if IT->glyph_row != NULL. IT->char_to_display is
IT->pixel_width > 1. */
static void
-append_glyph (it)
- struct it *it;
+append_glyph (struct it *it)
{
struct glyph *glyph, *end;
int i;
+ it->glyph_row->used[it->area]);
end = it->glyph_row->glyphs[1 + it->area];
+ /* If the glyph row is reversed, we need to prepend the glyph rather
+ than append it. */
+ if (it->glyph_row->reversed_p && it->area == TEXT_AREA)
+ {
+ struct glyph *g;
+ int move_by = it->pixel_width;
+
+ /* Make room for the new glyphs. */
+ if (move_by > end - glyph) /* don't overstep end of this area */
+ move_by = end - glyph;
+ for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--)
+ g[move_by] = *g;
+ glyph = it->glyph_row->glyphs[it->area];
+ end = glyph + move_by;
+ }
+
+ /* BIDI Note: we put the glyphs of a "multi-pixel" character left to
+ right, even in the REVERSED_P case, since (a) all of its u.ch are
+ identical, and (b) the PADDING_P flag needs to be set for the
+ leftmost one, because we write to the terminal left-to-right. */
for (i = 0;
i < it->pixel_width && glyph < end;
++i)
glyph->padding_p = i > 0;
glyph->charpos = CHARPOS (it->position);
glyph->object = it->object;
+ if (it->bidi_p)
+ {
+ glyph->resolved_level = it->bidi_it.resolved_level;
+ if ((it->bidi_it.type & 7) != it->bidi_it.type)
+ abort ();
+ glyph->bidi_type = it->bidi_it.type;
+ }
+ else
+ {
+ glyph->resolved_level = 0;
+ glyph->bidi_type = UNKNOWN_BT;
+ }
++it->glyph_row->used[it->area];
++glyph;
}
}
-
/* Produce glyphs for the display element described by IT. *IT
specifies what we want to produce a glyph for (character, image, ...),
and where in the glyph matrix we currently are (glyph row and hpos).
produce_glyphs fills in output fields of *IT with information such as the
pixel width and height of a character, and maybe output actual glyphs at
- the same time if IT->glyph_row is non-null. See the explanation of
- struct display_iterator in dispextern.h for an overview.
+ the same time if IT->glyph_row is non-null. For an overview, see
+ the explanation in dispextern.h, before the definition of the
+ display_element_type enumeration.
produce_glyphs also stores the result of glyph width, ascent
etc. computations in *IT.
instead they use the macro PRODUCE_GLYPHS. */
void
-produce_glyphs (it)
- struct it *it;
+produce_glyphs (struct it *it)
{
/* If a hook is installed, let it do the work. */
if (unibyte_display_via_language_environment
&& (it->c >= 0240))
{
- it->char_to_display = unibyte_char_to_multibyte (it->c);
+ it->char_to_display = BYTE8_TO_CHAR (it->c);
it->pixel_width = CHAR_WIDTH (it->char_to_display);
it->nglyphs = it->pixel_width;
if (it->glyph_row)
to reach HPOS, a value in canonical character units. */
static void
-produce_stretch_glyph (it)
- struct it *it;
+produce_stretch_glyph (struct it *it)
{
/* (space :width WIDTH ...) */
Lisp_Object prop, plist;
if (width <= 0 && (width < 0 || !zero_width_ok_p))
width = 1;
+ if (width > 0 && it->line_wrap != TRUNCATE
+ && it->current_x + width > it->last_visible_x)
+ width = it->last_visible_x - it->current_x - 1;
+
if (width > 0 && it->glyph_row)
{
Lisp_Object o_object = it->object;
face. */
static void
-append_composite_glyph (it)
- struct it *it;
+append_composite_glyph (struct it *it)
{
struct glyph *glyph;
glyph = it->glyph_row->glyphs[it->area] + it->glyph_row->used[it->area];
if (glyph < it->glyph_row->glyphs[1 + it->area])
{
+ /* If the glyph row is reversed, we need to prepend the glyph
+ rather than append it. */
+ if (it->glyph_row->reversed_p && it->area == TEXT_AREA)
+ {
+ struct glyph *g;
+
+ /* Make room for the new glyph. */
+ for (g = glyph - 1; g >= it->glyph_row->glyphs[it->area]; g--)
+ g[1] = *g;
+ glyph = it->glyph_row->glyphs[it->area];
+ }
glyph->type = COMPOSITE_GLYPH;
glyph->pixel_width = it->pixel_width;
- glyph->u.cmp_id = it->cmp_id;
+ glyph->u.cmp.id = it->cmp_it.id;
+ if (it->cmp_it.ch < 0)
+ {
+ glyph->u.cmp.automatic = 0;
+ glyph->u.cmp.id = it->cmp_it.id;
+ }
+ else
+ {
+ glyph->u.cmp.automatic = 1;
+ glyph->u.cmp.id = it->cmp_it.id;
+ glyph->u.cmp.from = it->cmp_it.from;
+ glyph->u.cmp.to = it->cmp_it.to - 1;
+ }
+
glyph->face_id = it->face_id;
glyph->padding_p = 0;
glyph->charpos = CHARPOS (it->position);
glyph->object = it->object;
+ if (it->bidi_p)
+ {
+ glyph->resolved_level = it->bidi_it.resolved_level;
+ if ((it->bidi_it.type & 7) != it->bidi_it.type)
+ abort ();
+ glyph->bidi_type = it->bidi_it.type;
+ }
+ else
+ {
+ glyph->resolved_level = 0;
+ glyph->bidi_type = UNKNOWN_BT;
+ }
++it->glyph_row->used[it->area];
++glyph;
/* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of
the composition. We simply produces components of the composition
- assuming that that the terminal has a capability to layout/render
- it correctly. */
+ assuming that the terminal has a capability to layout/render it
+ correctly. */
static void
-produce_composite_glyph (it)
- struct it *it;
+produce_composite_glyph (struct it *it)
{
- struct composition *cmp = composition_table[it->cmp_id];
int c;
- xassert (cmp->glyph_len > 0);
- c = COMPOSITION_GLYPH (cmp, 0);
- it->pixel_width = CHAR_WIDTH (it->c);
- it->nglyphs = 1;
+ if (it->cmp_it.ch < 0)
+ {
+ struct composition *cmp = composition_table[it->cmp_it.id];
+ it->pixel_width = cmp->width;
+ }
+ else
+ {
+ Lisp_Object gstring = composition_gstring_from_id (it->cmp_it.id);
+
+ it->pixel_width = composition_gstring_width (gstring, it->cmp_it.from,
+ it->cmp_it.to, NULL);
+ }
+ it->nglyphs = 1;
if (it->glyph_row)
append_composite_glyph (it);
}
face_id, c, len of IT are left untouched. */
void
-produce_special_glyphs (it, what)
- struct it *it;
- enum display_element_type what;
+produce_special_glyphs (struct it *it, enum display_element_type what)
{
struct it temp_it;
Lisp_Object gc;
if (what == IT_CONTINUATION)
{
- /* Continuation glyph. */
- SET_GLYPH_FROM_CHAR (glyph, '\\');
+ /* Continuation glyph. For R2L lines, we mirror it by hand. */
+ if (it->bidi_it.paragraph_dir == R2L)
+ SET_GLYPH_FROM_CHAR (glyph, '/');
+ else
+ SET_GLYPH_FROM_CHAR (glyph, '\\');
if (it->dp
&& (gc = DISP_CONTINUE_GLYPH (it->dp), GLYPH_CODE_P (gc))
&& GLYPH_CODE_CHAR_VALID_P (gc))
{
+ /* FIXME: Should we mirror GC for R2L lines? */
SET_GLYPH_FROM_GLYPH_CODE (glyph, gc);
spec_glyph_lookup_face (XWINDOW (it->window), &glyph);
}
&& (gc = DISP_TRUNC_GLYPH (it->dp), GLYPH_CODE_P (gc))
&& GLYPH_CODE_CHAR_VALID_P (gc))
{
+ /* FIXME: Should we mirror GC for R2L lines? */
SET_GLYPH_FROM_GLYPH_CODE (glyph, gc);
spec_glyph_lookup_face (XWINDOW (it->window), &glyph);
}
FACE_ID is a realized face ID number, in the face cache. */
static void
-turn_on_face (f, face_id)
- struct frame *f;
- int face_id;
+turn_on_face (struct frame *f, int face_id)
{
struct face *face = FACE_FROM_ID (f, face_id);
long fg = face->foreground;
}
}
- if (face->tty_bold_p)
- {
- if (MAY_USE_WITH_COLORS_P (tty, NC_BOLD))
- OUTPUT1_IF (tty, tty->TS_enter_bold_mode);
- }
- else if (face->tty_dim_p)
- if (MAY_USE_WITH_COLORS_P (tty, NC_DIM))
- OUTPUT1_IF (tty, tty->TS_enter_dim_mode);
+ if (face->tty_bold_p && MAY_USE_WITH_COLORS_P (tty, NC_BOLD))
+ OUTPUT1_IF (tty, tty->TS_enter_bold_mode);
+
+ if (face->tty_dim_p && MAY_USE_WITH_COLORS_P (tty, NC_DIM))
+ OUTPUT1_IF (tty, tty->TS_enter_dim_mode);
/* Alternate charset and blinking not yet used. */
if (face->tty_alt_charset_p
/* Turn off appearances of face FACE_ID on tty frame F. */
static void
-turn_off_face (f, face_id)
- struct frame *f;
- int face_id;
+turn_off_face (struct frame *f, int face_id)
{
struct face *face = FACE_FROM_ID (f, face_id);
struct tty_display_info *tty = FRAME_TTY (f);
colors FG and BG. */
int
-tty_capable_p (tty, caps, fg, bg)
- struct tty_display_info *tty;
- unsigned caps;
- unsigned long fg, bg;
+tty_capable_p (struct tty_display_info *tty, unsigned int caps,
+ unsigned long fg, unsigned long bg)
{
#define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \
if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \
0, 1, 0,
doc: /* Return non-nil if the tty device TERMINAL can display colors.
-TERMINAL can be a terminal id, a frame or nil (meaning the selected
-frame's terminal). This function always returns nil if TERMINAL
-is not on a tty device. */)
+TERMINAL can be a terminal object, a frame, or nil (meaning the
+selected frame's terminal). This function always returns nil if
+TERMINAL does not refer to a text-only terminal. */)
(terminal)
Lisp_Object terminal;
{
Stty_display_color_cells, 0, 1, 0,
doc: /* Return the number of colors supported by the tty device TERMINAL.
-TERMINAL can be a terminal id, a frame or nil (meaning the selected
-frame's terminal). This function always returns 0 if TERMINAL
-is not on a tty device. */)
+TERMINAL can be a terminal object, a frame, or nil (meaning the
+selected frame's terminal). This function always returns 0 if
+TERMINAL does not refer to a text-only terminal. */)
(terminal)
Lisp_Object terminal;
{
return make_number (t->display_info.tty->TN_max_colors);
}
-#ifndef WINDOWSNT
+#ifndef DOS_NT
/* Declare here rather than in the function, as in the rest of Emacs,
to work around an HPUX compiler bug (?). See
}
void
-set_tty_color_mode (tty, f)
- struct tty_display_info *tty;
- struct frame *f;
+set_tty_color_mode (struct tty_display_info *tty, struct frame *f)
{
- Lisp_Object tem, val, color_mode_spec;
+ Lisp_Object tem, val;
Lisp_Object color_mode;
int mode;
extern Lisp_Object Qtty_color_mode;
if (INTEGERP (val))
color_mode = val;
- else
+ else if (SYMBOLP (tty_color_mode_alist))
{
- tem = (NILP (tty_color_mode_alist) ? Qnil
- : Fassq (val, XSYMBOL (tty_color_mode_alist)->value));
+ tem = Fassq (val, Fsymbol_value (tty_color_mode_alist));
color_mode = CONSP (tem) ? XCDR (tem) : Qnil;
}
+ else
+ color_mode = Qnil;
mode = INTEGERP (color_mode) ? XINT (color_mode) : 0;
}
}
-#endif /* !WINDOWSNT */
+#endif /* !DOS_NT */
\f
{
struct terminal *t = get_terminal (terminal, throw);
- if (t && t->type != output_termcap)
+ if (t && t->type != output_termcap && t->type != output_msdos_raw)
{
if (throw)
error ("Device %d is not a termcap terminal device", t->id);
Returns NULL if the named terminal device is not opened. */
struct terminal *
-get_named_tty (name)
- char *name;
+get_named_tty (char *name)
{
struct terminal *t;
for (t = terminal_list; t; t = t->next_terminal)
{
- if (t->type == output_termcap
+ if ((t->type == output_termcap || t->type == output_msdos_raw)
&& !strcmp (t->display_info.tty->name, name)
&& TERMINAL_ACTIVE_P (t))
return t;
doc: /* Return the type of the tty device that TERMINAL uses.
Returns nil if TERMINAL is not on a tty device.
-TERMINAL can be a terminal id, a frame or nil (meaning the selected
-frame's terminal). */)
+TERMINAL can be a terminal object, a frame, or nil (meaning the
+selected frame's terminal). */)
(terminal)
Lisp_Object terminal;
{
struct terminal *t = get_terminal (terminal, 1);
- if (t->type != output_termcap)
+ if (t->type != output_termcap && t->type != output_msdos_raw)
return Qnil;
if (t->display_info.tty->type)
}
DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0,
- doc: /* Return non-nil if TERMINAL is on the controlling tty of the Emacs process.
+ doc: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process.
-TERMINAL can be a terminal id, a frame or nil (meaning the selected
-frame's terminal). This function always returns nil if TERMINAL
-is not on a tty device. */)
+TERMINAL can be a terminal object, a frame, or nil (meaning the
+selected frame's terminal). This function always returns nil if
+TERMINAL is not on a tty device. */)
(terminal)
Lisp_Object terminal;
{
struct terminal *t = get_terminal (terminal, 1);
- if (t->type != output_termcap || strcmp (t->display_info.tty->name, DEV_TTY))
+ if ((t->type != output_termcap && t->type != output_msdos_raw)
+ || strcmp (t->display_info.tty->name, DEV_TTY) != 0)
return Qnil;
else
return Qt;
do not really do underlining, but say that they do. This function has
no effect if used on a non-tty terminal.
-TERMINAL can be a terminal id, a frame or nil (meaning the selected
-frame's terminal). This function always returns nil if TERMINAL
-is not on a tty device. */)
+TERMINAL can be a terminal object, a frame or nil (meaning the
+selected frame's terminal). This function always returns nil if
+TERMINAL does not refer to a text-only terminal. */)
(terminal)
Lisp_Object terminal;
{
but input is not read from them and if they change, their display is
not updated.
-TTY may be a terminal id, a frame, or nil for the terminal device of
-the currently selected frame.
+TTY may be a terminal object, a frame, or nil for the terminal device
+of the currently selected frame.
This function runs `suspend-tty-functions' after suspending the
device. The functions are run with one arg, the id of the suspended
reset_sys_modes (t->display_info.tty);
+#ifdef subprocesses
delete_keyboard_wait_descriptor (fileno (f));
+#endif
+#ifndef MSDOS
fclose (f);
if (f != t->display_info.tty->output)
fclose (t->display_info.tty->output);
+#endif
t->display_info.tty->input = 0;
t->display_info.tty->output = 0;
`resume-tty' does nothing if it is called on a device that is not
suspended.
-TTY may be a terminal id, a frame, or nil for the terminal device of
-the currently selected frame. */)
+TTY may be a terminal object, a frame, or nil (meaning the selected
+frame's terminal). */)
(tty)
Lisp_Object tty;
{
if (get_named_tty (t->display_info.tty->name))
error ("Cannot resume display while another display is active on the same device");
+#ifdef MSDOS
+ t->display_info.tty->output = stdout;
+ t->display_info.tty->input = stdin;
+#else /* !MSDOS */
fd = emacs_open (t->display_info.tty->name, O_RDWR | O_NOCTTY, 0);
if (fd == -1)
t->display_info.tty->output = fdopen (fd, "w+");
t->display_info.tty->input = t->display_info.tty->output;
+#endif
+#ifdef subprocesses
add_keyboard_wait_descriptor (fd);
+#endif
if (FRAMEP (t->display_info.tty->top_frame))
- FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1);
+ {
+ struct frame *f = XFRAME (t->display_info.tty->top_frame);
+ int width, height;
+ int old_height = FRAME_COLS (f);
+ int old_width = FRAME_LINES (f);
+
+ /* Check if terminal/window size has changed while the frame
+ was suspended. */
+ get_tty_size (fileno (t->display_info.tty->input), &width, &height);
+ if (width != old_width || height != old_height)
+ change_frame_size (f, height, width, 0, 0, 0);
+ FRAME_SET_VISIBLE (XFRAME (t->display_info.tty->top_frame), 1);
+ }
init_sys_modes (t->display_info.tty);
}
static void
-term_clear_mouse_face ()
+term_clear_mouse_face (void)
{
if (!NILP (mouse_face_window))
term_show_mouse_face (DRAW_NORMAL_TEXT);
mouse_face_face_id
= face_at_buffer_position (w, pos, 0, 0,
- &ignore, pos + 1, 1);
+ &ignore, pos + 1, 1, -1);
/* Display it as active. */
term_show_mouse_face (DRAW_MOUSE_FACE);
mouse_face_face_id
= face_at_buffer_position (w, pos, 0, 0,
- &ignore, pos + 1, 1);
+ &ignore, pos + 1, 1, -1);
/* Display it as active. */
term_show_mouse_face (DRAW_MOUSE_FACE);
}
}
+void
+close_gpm (int fd)
+{
+ if (fd >= 0)
+ delete_gpm_wait_descriptor (fd);
+ while (Gpm_Close()); /* close all the stack */
+ gpm_tty = NULL;
+}
+
DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop, Sgpm_mouse_stop,
0, 0, 0,
doc: /* Close a connection to Gpm. */)
if (!tty || gpm_tty != tty)
return Qnil; /* Not activated on this terminal, nothing to do. */
- if (gpm_fd >= 0)
- delete_gpm_wait_descriptor (gpm_fd);
- while (Gpm_Close()); /* close all the stack */
- gpm_tty = NULL;
+ close_gpm (gpm_fd);
return Qnil;
}
#endif /* HAVE_GPM */
\f
+#ifndef MSDOS
/***********************************************************************
Initialization
***********************************************************************/
f->output_data.tty = t;
}
-/* Delete the tty-dependent part of frame F. */
+/* Delete frame F's face cache, and its tty-dependent part. */
static void
-delete_tty_output (struct frame *f)
+tty_free_frame_resources (struct frame *f)
{
if (! FRAME_TERMCAP_P (f))
abort ();
+ if (FRAME_FACE_CACHE (f))
+ free_frame_faces (f);
+
xfree (f->output_data.tty);
}
+#else /* MSDOS */
+
+/* Delete frame F's face cache. */
+
+static void
+tty_free_frame_resources (struct frame *f)
+{
+ if (! FRAME_TERMCAP_P (f) && ! FRAME_MSDOS_P (f))
+ abort ();
+
+ if (FRAME_FACE_CACHE (f))
+ free_frame_faces (f);
+}
+#endif /* MSDOS */
\f
/* Reset the hooks in TERMINAL. */
/* Leave these two set, or suspended frames are not deleted
correctly. */
- terminal->delete_frame_hook = &delete_tty_output;
+ terminal->delete_frame_hook = &tty_free_frame_resources;
terminal->delete_terminal_hook = &delete_tty;
}
terminal->read_socket_hook = &tty_read_avail_input; /* keyboard.c */
terminal->frame_up_to_date_hook = 0; /* Not needed. */
- terminal->delete_frame_hook = &delete_tty_output;
+ terminal->delete_frame_hook = &tty_free_frame_resources;
terminal->delete_terminal_hook = &delete_tty;
}
static void
dissociate_if_controlling_tty (int fd)
{
-#ifndef WINDOWSNT
+#ifndef DOS_NT
int pgid;
EMACS_GET_TTY_PGRP (fd, &pgid); /* If tcgetpgrp succeeds, fd is the ctty. */
if (pgid != -1)
{
-#if defined (USG) && !defined (BSD_PGRPS)
+#if defined (USG)
setpgrp ();
no_controlling_tty = 1;
#elif defined (CYGWIN)
#endif /* ! TIOCNOTTY */
#endif /* ! USG */
}
-#endif /* !WINDOWSNT */
+#endif /* !DOS_NT */
}
static void maybe_fatal();
{
char *area = NULL;
char **address = &area;
- char *buffer = NULL;
int buffer_size = 4096;
register char *p = NULL;
int status;
int ctty = 0; /* 1 if asked to open controlling tty. */
if (!terminal_type)
- maybe_fatal (must_succeed, 0, 0,
+ maybe_fatal (must_succeed, 0,
"Unknown terminal type",
"Unknown terminal type");
return terminal;
terminal = create_terminal ();
+#ifdef MSDOS
+ if (been_here > 0)
+ maybe_fatal (1, 0, "Attempt to create another terminal %s", "",
+ name, "");
+ been_here = 1;
+ tty = &the_only_display_info;
+#else
tty = (struct tty_display_info *) xmalloc (sizeof (struct tty_display_info));
+#endif
bzero (tty, sizeof (struct tty_display_info));
tty->next = tty_list;
tty_list = tty;
tty->Wcm = (struct cm *) xmalloc (sizeof (struct cm));
Wcm_clear (tty);
-#ifndef WINDOWSNT
+#ifndef DOS_NT
set_tty_hooks (terminal);
{
fd = emacs_open (name, O_RDWR | O_NOCTTY, 0);
#endif /* O_IGNORE_CTTY */
+ tty->name = xstrdup (name);
+ terminal->name = xstrdup (name);
+
if (fd < 0)
- maybe_fatal (must_succeed, buffer, terminal,
+ maybe_fatal (must_succeed, terminal,
"Could not open file: %s",
"Could not open file: %s",
name);
if (!isatty (fd))
{
close (fd);
- maybe_fatal (must_succeed, buffer, terminal,
+ maybe_fatal (must_succeed, terminal,
"Not a tty device: %s",
"Not a tty device: %s",
name);
#endif
file = fdopen (fd, "w+");
- tty->name = xstrdup (name);
- terminal->name = xstrdup (name);
tty->input = file;
tty->output = file;
}
add_keyboard_wait_descriptor (fileno (tty->input));
-#endif
+#endif /* !DOS_NT */
encode_terminal_src_size = 0;
encode_terminal_dst_size = 0;
mouse_face_window = Qnil;
#endif
+#ifdef DOS_NT
#ifdef WINDOWSNT
initialize_w32_display (terminal);
+#else /* MSDOS */
+ if (strcmp (terminal_type, "internal") == 0)
+ terminal->type = output_msdos_raw;
+ initialize_msdos_display (terminal);
+#endif /* MSDOS */
+ tty->output = stdout;
+ tty->input = stdin;
/* The following two are inaccessible from w32console.c. */
- terminal->delete_frame_hook = &delete_tty_output;
+ terminal->delete_frame_hook = &tty_free_frame_resources;
terminal->delete_terminal_hook = &delete_tty;
tty->name = xstrdup (name);
terminal->name = xstrdup (name);
tty->type = xstrdup (terminal_type);
- tty->output = stdout;
- tty->input = stdin;
+#ifdef subprocesses
add_keyboard_wait_descriptor (0);
+#endif
Wcm_clear (tty);
+#ifdef WINDOWSNT
{
struct frame *f = XFRAME (selected_frame);
FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
}
+#else /* MSDOS */
+ {
+ int height, width;
+ get_tty_size (fileno (tty->input), &width, &height);
+ FrameCols (tty) = width;
+ FrameRows (tty) = height;
+ }
+#endif /* MSDOS */
tty->delete_in_insert_mode = 1;
UseTabs (tty) = 0;
display. In doing a trace, it didn't seem to be called much, so I
don't think we're losing anything by turning it off. */
terminal->line_ins_del_ok = 0;
+#ifdef WINDOWSNT
terminal->char_ins_del_ok = 1;
-
baud_rate = 19200;
+#else /* MSDOS */
+ terminal->char_ins_del_ok = 0;
+ init_baud_rate (fileno (tty->input));
+#endif /* MSDOS */
tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */
-#else /* not WINDOWSNT */
+#else /* not DOS_NT */
Wcm_clear (tty);
- buffer = (char *) xmalloc (buffer_size);
+ tty->termcap_term_buffer = (char *) xmalloc (buffer_size);
/* On some systems, tgetent tries to access the controlling
terminal. */
sigblock (sigmask (SIGTTOU));
- status = tgetent (buffer, terminal_type);
+ status = tgetent (tty->termcap_term_buffer, terminal_type);
sigunblock (sigmask (SIGTTOU));
if (status < 0)
{
#ifdef TERMINFO
- maybe_fatal (must_succeed, buffer, terminal,
+ maybe_fatal (must_succeed, terminal,
"Cannot open terminfo database file",
"Cannot open terminfo database file");
#else
- maybe_fatal (must_succeed, buffer, terminal,
+ maybe_fatal (must_succeed, terminal,
"Cannot open termcap database file",
"Cannot open termcap database file");
#endif
}
if (status == 0)
{
-#ifdef TERMINFO
- maybe_fatal (must_succeed, buffer, terminal,
+ maybe_fatal (must_succeed, terminal,
"Terminal type %s is not defined",
"Terminal type %s is not defined.\n\
If that is not the actual type of terminal you have,\n\
use the Bourne shell command `TERM=... export TERM' (C-shell:\n\
-`setenv TERM ...') to specify the correct type. It may be necessary\n\
-to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.",
- terminal_type);
+`setenv TERM ...') to specify the correct type. It may be necessary\n"
+#ifdef TERMINFO
+"to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.",
#else
- maybe_fatal (must_succeed, buffer, terminal,
- "Terminal type %s is not defined",
- "Terminal type %s is not defined.\n\
-If that is not the actual type of terminal you have,\n\
-use the Bourne shell command `TERM=... export TERM' (C-shell:\n\
-`setenv TERM ...') to specify the correct type. It may be necessary\n\
-to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.",
- terminal_type);
+"to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.",
#endif
+ terminal_type);
}
#ifndef TERMINFO
- if (strlen (buffer) >= buffer_size)
+ if (strlen (tty->termcap_term_buffer) >= buffer_size)
abort ();
- buffer_size = strlen (buffer);
+ buffer_size = strlen (tty->termcap_term_buffer);
#endif
- area = (char *) xmalloc (buffer_size);
-
+ tty->termcap_strings_buffer = area = (char *) xmalloc (buffer_size);
tty->TS_ins_line = tgetstr ("al", address);
tty->TS_ins_multi_lines = tgetstr ("AL", address);
tty->TS_bell = tgetstr ("bl", address);
Down (tty) = tgetstr ("do", address);
if (!Down (tty))
Down (tty) = tgetstr ("nl", address); /* Obsolete name for "do" */
-#ifdef VMS
- /* VMS puts a carriage return before each linefeed,
- so it is not safe to use linefeeds. */
- if (Down (tty) && Down (tty)[0] == '\n' && Down (tty)[1] == '\0')
- Down (tty) = 0;
-#endif /* VMS */
if (tgetflag ("bs"))
Left (tty) = "\b"; /* can't possibly be longer! */
else /* (Actually, "bs" is obsolete...) */
tty->TF_underscore = tgetflag ("ul");
tty->TF_teleray = tgetflag ("xt");
-#endif /* !WINDOWSNT */
-#ifdef MULTI_KBOARD
+#endif /* !DOS_NT */
terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD));
init_kboard (terminal->kboard);
terminal->kboard->Vwindow_system = Qnil;
prompt in the mini-buffer. */
if (current_kboard == initial_kboard)
current_kboard = terminal->kboard;
-#ifndef WINDOWSNT
+#ifndef DOS_NT
term_get_fkeys (address, terminal->kboard);
-#endif
-#endif
-#ifndef WINDOWSNT
/* Get frame size from system, or else from termcap. */
{
int height, width;
FrameRows (tty) = tgetnum ("li");
if (FrameRows (tty) < 3 || FrameCols (tty) < 3)
- maybe_fatal (must_succeed, NULL, terminal,
+ maybe_fatal (must_succeed, terminal,
"Screen size %dx%d is too small"
"Screen size %dx%d is too small",
FrameCols (tty), FrameRows (tty));
-#if 0 /* This is not used anywhere. */
- tty->terminal->min_padding_speed = tgetnum ("pb");
-#endif
-
TabWidth (tty) = tgetnum ("tw");
-#ifdef VMS
- /* These capabilities commonly use ^J.
- I don't know why, but sending them on VMS does not work;
- it causes following spaces to be lost, sometimes.
- For now, the simplest fix is to avoid using these capabilities ever. */
- if (Down (tty) && Down (tty)[0] == '\n')
- Down (tty) = 0;
-#endif /* VMS */
-
if (!tty->TS_bell)
tty->TS_bell = "\07";
if (Wcm_init (tty) == -1) /* can't do cursor motion */
{
- maybe_fatal (must_succeed, NULL, terminal,
+ maybe_fatal (must_succeed, terminal,
"Terminal type \"%s\" is not powerful enough to run Emacs",
-#ifdef VMS
- "Terminal type \"%s\" is not powerful enough to run Emacs.\n\
-It lacks the ability to position the cursor.\n\
-If that is not the actual type of terminal you have, use either the\n\
-DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\
-or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.",
-#else /* not VMS */
-# ifdef TERMINFO
"Terminal type \"%s\" is not powerful enough to run Emacs.\n\
It lacks the ability to position the cursor.\n\
If that is not the actual type of terminal you have,\n\
use the Bourne shell command `TERM=... export TERM' (C-shell:\n\
-`setenv TERM ...') to specify the correct type. It may be necessary\n\
-to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.",
+`setenv TERM ...') to specify the correct type. It may be necessary\n"
+# ifdef TERMINFO
+"to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.",
# else /* TERMCAP */
- "Terminal type \"%s\" is not powerful enough to run Emacs.\n\
-It lacks the ability to position the cursor.\n\
-If that is not the actual type of terminal you have,\n\
-use the Bourne shell command `TERM=... export TERM' (C-shell:\n\
-`setenv TERM ...') to specify the correct type. It may be necessary\n\
-to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.",
+"to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.",
# endif /* TERMINFO */
-#endif /*VMS */
terminal_type);
}
if (FrameRows (tty) <= 0 || FrameCols (tty) <= 0)
- maybe_fatal (must_succeed, NULL, terminal,
+ maybe_fatal (must_succeed, terminal,
"Could not determine the frame size",
"Could not determine the frame size");
init_baud_rate (fileno (tty->input));
- /* Don't do this. I think termcap may still need the buffer. */
- /* xfree (buffer); */
-
-#endif /* not WINDOWSNT */
+#endif /* not DOS_NT */
/* Init system terminal modes (RAW or CBREAK, etc.). */
init_sys_modes (tty);
}
/* Auxiliary error-handling function for init_tty.
- Free BUFFER and delete TERMINAL, then call error or fatal
- with str1 or str2, respectively, according to MUST_SUCCEED. */
+ Delete TERMINAL, then call error or fatal with str1 or str2,
+ respectively, according to MUST_SUCCEED. */
static void
-maybe_fatal (must_succeed, buffer, terminal, str1, str2, arg1, arg2)
+maybe_fatal (must_succeed, terminal, str1, str2, arg1, arg2)
int must_succeed;
- char *buffer;
struct terminal *terminal;
char *str1, *str2, *arg1, *arg2;
{
- xfree (buffer);
-
if (terminal)
delete_tty (terminal);
va_start (ap, str);
fprintf (stderr, "emacs: ");
vfprintf (stderr, str, ap);
+ if (!(strlen (str) > 0 && str[strlen (str) - 1] == '\n'))
+ fprintf (stderr, "\n");
va_end (ap);
fflush (stderr);
exit (1);
delete_tty (struct terminal *terminal)
{
struct tty_display_info *tty;
- Lisp_Object tail, frame;
- int last_terminal;
- /* Protect against recursive calls. Fdelete_frame in
+ /* Protect against recursive calls. delete_frame in
delete_terminal calls us back when it deletes our last frame. */
if (!terminal->name)
return;
tty = terminal->display_info.tty;
- last_terminal = 1;
- FOR_EACH_FRAME (tail, frame)
- {
- struct frame *f = XFRAME (frame);
- if (FRAME_LIVE_P (f) && (!FRAME_TERMCAP_P (f) || FRAME_TTY (f) != tty))
- {
- last_terminal = 0;
- break;
- }
- }
- if (last_terminal)
- error ("Attempt to delete the sole terminal device with live frames");
-
if (tty == tty_list)
tty_list = tty->next;
else
if (tty->input)
{
+#ifdef subprocesses
delete_keyboard_wait_descriptor (fileno (tty->input));
+#endif
if (tty->input != stdin)
fclose (tty->input);
}
xfree (tty->old_tty);
xfree (tty->Wcm);
+ xfree (tty->termcap_strings_buffer);
+ xfree (tty->termcap_term_buffer);
bzero (tty, sizeof (struct tty_display_info));
xfree (tty);
\f
void
-syms_of_term ()
+syms_of_term (void)
{
DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo,
doc: /* Non-nil means the system uses terminfo rather than termcap.
DEFVAR_LISP ("suspend-tty-functions", &Vsuspend_tty_functions,
doc: /* Functions to be run after suspending a tty.
-The functions are run with one argument, the terminal id to be suspended.
+The functions are run with one argument, the terminal object to be suspended.
See `suspend-tty'. */);
Vsuspend_tty_functions = Qnil;
DEFVAR_LISP ("resume-tty-functions", &Vresume_tty_functions,
doc: /* Functions to be run after resuming a tty.
-The functions are run with one argument, the terminal id that was revived.
+The functions are run with one argument, the terminal object that was revived.
See `resume-tty'. */);
Vresume_tty_functions = Qnil;
staticpro (&mouse_face_window);
#endif /* HAVE_GPM */
+#ifndef DOS_NT
default_orig_pair = NULL;
default_set_foreground = NULL;
default_set_background = NULL;
+#endif /* !DOS_NT */
+
+ encode_terminal_src = NULL;
+ encode_terminal_dst = NULL;
}