/* 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"
cmputc ('\n');
}
- OUTPUT_IF (tty, tty->TS_termcap_modes);
OUTPUT_IF (tty, visible_cursor ? tty->TS_cursor_visible : tty->TS_cursor_normal);
OUTPUT_IF (tty, tty->TS_keypad_mode);
losecursor (tty);
if (src->u.cmp.automatic)
{
gstring = composition_gstring_from_id (src->u.cmp.id);
- required = src->u.cmp.to - src->u.cmp.from;
+ required = src->u.cmp.to + 1 - src->u.cmp.from;
}
else
{
}
if (src->u.cmp.automatic)
- for (i = src->u.cmp.from; i < src->u.cmp.to; i++)
+ 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;
+ c = '?';
buf += CHAR_STRING (c, buf);
nchars++;
}
{
int c = COMPOSITION_GLYPH (cmp, i);
- if (! char_charset (c, charset_list, NULL))
- break;
+ 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++;
}
- if (i == 0)
- {
- /* The first character of the composition is not encodable. */
- *buf++ = '?';
- nchars++;
- }
}
/* We must skip glyphs to be padded for a wide character. */
else if (! CHAR_GLYPH_PADDING_P (*src))
encode_terminal_src_size);
buf = encode_terminal_src + nbytes;
}
- if (char_charset (c, charset_list, NULL))
+ if (CHAR_BYTE8_P (c)
+ || char_charset (c, charset_list, NULL))
{
/* Store the multibyte form of C at BUF. */
buf += CHAR_STRING (c, buf);
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.
goto done;
}
- /* Maybe translate single-byte characters to multibyte. */
- it->char_to_display = it->c;
-
- if (it->c >= 040 && it->c < 0177)
+ if (it->char_to_display >= 040 && it->char_to_display < 0177)
{
it->pixel_width = it->nglyphs = 1;
if (it->glyph_row)
append_glyph (it);
}
- else if (it->c == '\n')
+ else if (it->char_to_display == '\n')
it->pixel_width = it->nglyphs = 0;
- else if (it->c == '\t')
+ else if (it->char_to_display == '\t')
{
int absolute_x = (it->current_x
+ it->continuation_lines_width);
it->pixel_width = nspaces;
it->nglyphs = nspaces;
}
- else if (CHAR_BYTE8_P (it->c))
+ else if (CHAR_BYTE8_P (it->char_to_display))
{
- if (unibyte_display_via_language_environment
- && (it->c >= 0240))
- {
- it->char_to_display = unibyte_char_to_multibyte (it->c);
- it->pixel_width = CHAR_WIDTH (it->char_to_display);
- it->nglyphs = it->pixel_width;
- if (it->glyph_row)
- append_glyph (it);
- }
- else
- {
- /* Coming here means that it->c is from display table, thus
- we must send the raw 8-bit byte as is to the terminal.
- Although there's no way to know how many columns it
- occupies on a screen, it is a good assumption that a
- single byte code has 1-column width. */
- it->pixel_width = it->nglyphs = 1;
- if (it->glyph_row)
- append_glyph (it);
- }
+ /* Coming here means that we must send the raw 8-bit byte as is
+ to the terminal. Although there's no way to know how many
+ columns it occupies on a screen, it is a good assumption that
+ a single byte code has 1-column width. */
+ it->pixel_width = it->nglyphs = 1;
+ if (it->glyph_row)
+ append_glyph (it);
}
else
{
- it->pixel_width = CHAR_WIDTH (it->c);
+ it->pixel_width = CHAR_WIDTH (it->char_to_display);
it->nglyphs = it->pixel_width;
if (it->glyph_row)
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;
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;
+ glyph->u.cmp.to = it->cmp_it.to - 1;
}
glyph->face_id = it->face_id;
/* 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 composition *cmp = composition_table[it->cmp_it.id];
- c = COMPOSITION_GLYPH (cmp, 0);
- it->pixel_width = CHAR_WIDTH (it->c);
+ it->pixel_width = cmp->width;
}
else
{
else
abort ();
- temp_it.c = GLYPH_CHAR (glyph);
+ temp_it.c = temp_it.char_to_display = GLYPH_CHAR (glyph);
temp_it.face_id = GLYPH_FACE (glyph);
temp_it.len = CHAR_BYTES (temp_it.c);
}
}
- 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
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;
{
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;
{
DEFUN ("controlling-tty-p", Fcontrolling_tty_p, Scontrolling_tty_p, 0, 1, 0,
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;
{
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
`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;
{
#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);
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 ()
+close_gpm (int fd)
{
- if (gpm_fd >= 0)
- delete_gpm_wait_descriptor (gpm_fd);
+ if (fd >= 0)
+ delete_gpm_wait_descriptor (fd);
while (Gpm_Close()); /* close all the stack */
gpm_tty = NULL;
}
if (!tty || gpm_tty != tty)
return Qnil; /* Not activated on this terminal, nothing to do. */
- close_gpm ();
+ close_gpm (gpm_fd);
return Qnil;
}
#endif /* HAVE_GPM */
\f
+#ifndef MSDOS
/***********************************************************************
Initialization
***********************************************************************/
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. */
tty->type = xstrdup (terminal_type);
-#ifdef subprocesses
add_keyboard_wait_descriptor (fileno (tty->input));
-#endif
#endif /* !DOS_NT */
"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");
if (!tty->TS_bell)
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. delete_frame in
delete_terminal calls us back when it deletes our last frame. */
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
xfree (tty->old_tty);
xfree (tty->Wcm);
- if (tty->termcap_strings_buffer)
- xfree (tty->termcap_strings_buffer);
- if (tty->termcap_term_buffer)
- xfree (tty->termcap_term_buffer);
+ xfree (tty->termcap_strings_buffer);
+ xfree (tty->termcap_term_buffer);
bzero (tty, sizeof (struct tty_display_info));
xfree (tty);
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;
HCoop / bpt / emacs.git / blobdiff