static int max_frame_cols;
-/* The largest frame height in any call to calculate_costs. */
-
-static int max_frame_lines;
-
/* Non-zero if we have dropped our controlling tty and therefore
should not open a frame on stdout. */
static int no_controlling_tty;
static unsigned char *encode_terminal_src;
static unsigned char *encode_terminal_dst;
/* Allocated sizes of the above buffers. */
-static int encode_terminal_src_size;
-static int encode_terminal_dst_size;
+static ptrdiff_t encode_terminal_src_size;
+static ptrdiff_t encode_terminal_dst_size;
/* Encode SRC_LEN glyphs starting at SRC to terminal output codes.
Set CODING->produced to the byte-length of the resulting byte
{
struct glyph *src_end = src + src_len;
unsigned char *buf;
- int nchars, nbytes, required;
- register int tlen = GLYPH_TABLE_LENGTH;
+ ptrdiff_t nchars, nbytes, required;
+ ptrdiff_t tlen = GLYPH_TABLE_LENGTH;
register Lisp_Object *tbase = GLYPH_TABLE_BASE;
Lisp_Object charset_list;
multibyte-form. But, it may be enlarged on demand if
Vglyph_table contains a string or a composite glyph is
encountered. */
- required = MAX_MULTIBYTE_LENGTH * src_len;
+ if (min (PTRDIFF_MAX, SIZE_MAX) / MAX_MULTIBYTE_LENGTH < src_len)
+ memory_full (SIZE_MAX);
+ required = src_len;
+ required *= MAX_MULTIBYTE_LENGTH;
if (encode_terminal_src_size < required)
{
- if (encode_terminal_src)
- encode_terminal_src = xrealloc (encode_terminal_src, required);
- else
- encode_terminal_src = xmalloc (required);
+ encode_terminal_src = xrealloc (encode_terminal_src, required);
encode_terminal_src_size = required;
}
if (src->u.cmp.automatic)
{
gstring = composition_gstring_from_id (src->u.cmp.id);
- required = src->slice.cmp.to + 1 - src->slice.cmp.from;
+ required = src->slice.cmp.to - src->slice.cmp.from + 1;
}
else
{
cmp = composition_table[src->u.cmp.id];
- required = MAX_MULTIBYTE_LENGTH * cmp->glyph_len;
+ required = cmp->glyph_len;
+ required *= MAX_MULTIBYTE_LENGTH;
}
- if (encode_terminal_src_size < nbytes + required)
+ if (encode_terminal_src_size - nbytes < required)
{
- encode_terminal_src_size = nbytes + required;
- encode_terminal_src = xrealloc (encode_terminal_src,
- encode_terminal_src_size);
+ encode_terminal_src =
+ xpalloc (encode_terminal_src, &encode_terminal_src_size,
+ required - (encode_terminal_src_size - nbytes),
+ -1, 1);
buf = encode_terminal_src + nbytes;
}
if (NILP (string))
{
nbytes = buf - encode_terminal_src;
- if (encode_terminal_src_size < nbytes + MAX_MULTIBYTE_LENGTH)
+ if (encode_terminal_src_size - nbytes < MAX_MULTIBYTE_LENGTH)
{
- encode_terminal_src_size = nbytes + MAX_MULTIBYTE_LENGTH;
- encode_terminal_src = xrealloc (encode_terminal_src,
- encode_terminal_src_size);
+ encode_terminal_src =
+ xpalloc (encode_terminal_src, &encode_terminal_src_size,
+ MAX_MULTIBYTE_LENGTH, -1, 1);
buf = encode_terminal_src + nbytes;
}
if (CHAR_BYTE8_P (c)
if (! STRING_MULTIBYTE (string))
string = string_to_multibyte (string);
nbytes = buf - encode_terminal_src;
- if (encode_terminal_src_size < nbytes + SBYTES (string))
+ if (encode_terminal_src_size - nbytes < SBYTES (string))
{
- encode_terminal_src_size = nbytes + SBYTES (string);
- encode_terminal_src = xrealloc (encode_terminal_src,
- encode_terminal_src_size);
+ encode_terminal_src =
+ xpalloc (encode_terminal_src, &encode_terminal_src_size,
+ (SBYTES (string)
+ - (encode_terminal_src_size - nbytes)),
+ -1, 1);
buf = encode_terminal_src + nbytes;
}
memcpy (buf, SDATA (string), SBYTES (string));
coding->source = encode_terminal_src;
if (encode_terminal_dst_size == 0)
{
+ encode_terminal_dst = xrealloc (encode_terminal_dst,
+ encode_terminal_src_size);
encode_terminal_dst_size = encode_terminal_src_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;
char_ins_del_vector (i.e., char_ins_del_cost) isn't used because
X turns off char_ins_del_ok. */
- max_frame_lines = max (max_frame_lines, FRAME_LINES (frame));
max_frame_cols = max (max_frame_cols, FRAME_COLS (frame));
+ if ((min (PTRDIFF_MAX, SIZE_MAX) / sizeof (int) - 1) / 2
+ < max_frame_cols)
+ memory_full (SIZE_MAX);
- if (char_ins_del_vector != 0)
- char_ins_del_vector
- = (int *) xrealloc (char_ins_del_vector,
- (sizeof (int)
- + 2 * max_frame_cols * sizeof (int)));
- else
- char_ins_del_vector
- = (int *) xmalloc (sizeof (int)
- + 2 * max_frame_cols * sizeof (int));
+ char_ins_del_vector =
+ xrealloc (char_ins_del_vector,
+ (sizeof (int) + 2 * sizeof (int) * max_frame_cols));
memset (char_ins_del_vector, 0,
- (sizeof (int) + 2 * max_frame_cols * sizeof (int)));
+ (sizeof (int) + 2 * sizeof (int) * max_frame_cols));
if (f && (!tty->TS_ins_line && !tty->TS_del_line))
Character Display Information
***********************************************************************/
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 *);
static void append_glyphless_glyph (struct it *, int, const char *);
}
}
+/* For external use. */
+void
+tty_append_glyph (struct it *it)
+{
+ append_glyph (it);
+}
+
+
/* 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).
/* Nothing but characters are supported on terminal frames. */
xassert (it->what == IT_CHARACTER
|| it->what == IT_COMPOSITION
- || it->what == IT_STRETCH);
+ || it->what == IT_STRETCH
+ || it->what == IT_GLYPHLESS);
if (it->what == IT_STRETCH)
{
it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1;
}
-
-/* Produce a stretch glyph for iterator IT. IT->object is the value
- of the glyph property displayed. The value must be a list
- `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs
- being recognized:
-
- 1. `:width WIDTH' specifies that the space should be WIDTH *
- canonical char width wide. WIDTH may be an integer or floating
- point number.
-
- 2. `:align-to HPOS' specifies that the space should be wide enough
- to reach HPOS, a value in canonical character units. */
-
-static void
-produce_stretch_glyph (struct it *it)
-{
- /* (space :width WIDTH ...) */
- Lisp_Object prop, plist;
- int width = 0, align_to = -1;
- int zero_width_ok_p = 0;
- double tem;
-
- /* List should start with `space'. */
- xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace));
- plist = XCDR (it->object);
-
- /* Compute the width of the stretch. */
- if ((prop = Fplist_get (plist, QCwidth), !NILP (prop))
- && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0))
- {
- /* Absolute width `:width WIDTH' specified and valid. */
- zero_width_ok_p = 1;
- width = (int)(tem + 0.5);
- }
- else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop))
- && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to))
- {
- if (it->glyph_row == NULL || !it->glyph_row->mode_line_p)
- align_to = (align_to < 0
- ? 0
- : align_to - window_box_left_offset (it->w, TEXT_AREA));
- else if (align_to < 0)
- align_to = window_box_left_offset (it->w, TEXT_AREA);
- width = max (0, (int)(tem + 0.5) + align_to - it->current_x);
- zero_width_ok_p = 1;
- }
- else
- /* Nothing specified -> width defaults to canonical char width. */
- width = FRAME_COLUMN_WIDTH (it->f);
-
- 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;
- Lisp_Object object = it->stack[it->sp - 1].string;
- int n = width;
-
- if (!STRINGP (object))
- object = it->w->buffer;
- it->object = object;
- it->char_to_display = ' ';
- it->pixel_width = it->len = 1;
- while (n--)
- append_glyph (it);
- it->object = o_object;
- }
- it->pixel_width = width;
- it->nglyphs = width;
-}
-
-
/* Append glyphs to IT's glyph_row for the composition IT->cmp_id.
Called from produce_composite_glyph for terminal frames if
IT->glyph_row != NULL. IT->face_id contains the character's
{
int face_id;
int len;
- char buf[9];
+ char buf[sizeof "\\x" + max (6, (sizeof it->c * CHAR_BIT + 3) / 4)];
char const *str = " ";
/* Get a face ID for the glyph by utilizing a cache (the same way as
char *area = NULL;
char **address = &area;
int buffer_size = 4096;
- register char *p = NULL;
int status;
struct tty_display_info *tty = NULL;
struct terminal *terminal = NULL;
encode_terminal_src_size = 0;
encode_terminal_dst_size = 0;
-#ifdef HAVE_GPM
- terminal->mouse_position_hook = term_mouse_position;
- tty->mouse_highlight.mouse_face_window = Qnil;
-#endif
-
#ifndef DOS_NT
set_tty_hooks (terminal);
tty->TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */
#endif /* DOS_NT */
+#ifdef HAVE_GPM
+ terminal->mouse_position_hook = term_mouse_position;
+ tty->mouse_highlight.mouse_face_window = Qnil;
+#endif
+
terminal->kboard = (KBOARD *) xmalloc (sizeof (KBOARD));
init_kboard (terminal->kboard);
KVAR (terminal->kboard, Vwindow_system) = Qnil;
Down (tty) = 0;
}
- /* Special handling for certain terminal types known to need it */
-
- if (!strcmp (terminal_type, "supdup"))
- {
- terminal->memory_below_frame = 1;
- tty->Wcm->cm_losewrap = 1;
- }
- if (!strncmp (terminal_type, "c10", 3)
- || !strcmp (terminal_type, "perq"))
- {
- /* Supply a makeshift :wi string.
- This string is not valid in general since it works only
- for windows starting at the upper left corner;
- but that is all Emacs uses.
-
- This string works only if the frame is using
- the top of the video memory, because addressing is memory-relative.
- So first check the :ti string to see if that is true.
-
- It would be simpler if the :wi string could go in the termcap
- entry, but it can't because it is not fully valid.
- If it were in the termcap entry, it would confuse other programs. */
- if (!tty->TS_set_window)
- {
- const char *m = tty->TS_termcap_modes;
- while (*m && strcmp (m, "\033v "))
- m++;
- if (*m)
- tty->TS_set_window = "\033v%C %C %C %C ";
- }
- /* Termcap entry often fails to have :in: flag */
- terminal->must_write_spaces = 1;
- /* :ti string typically fails to have \E^G! in it */
- /* This limits scope of insert-char to one line. */
- strcpy (area, tty->TS_termcap_modes);
- strcat (area, "\033\007!");
- tty->TS_termcap_modes = area;
- area += strlen (area) + 1;
- p = AbsPosition (tty);
- /* Change all %+ parameters to %C, to handle
- values above 96 correctly for the C100. */
- while (*p)
- {
- if (p[0] == '%' && p[1] == '+')
- p[1] = 'C';
- p++;
- }
- }
-
tty->specified_window = FrameRows (tty);
if (Wcm_init (tty) == -1) /* can't do cursor motion */
HCoop / bpt / emacs.git / blobdiff