#include <config.h>
#include <stdio.h>
#include <ctype.h>
#include "termchar.h"
#include "termopts.h"
#undef NULL
#include "lisp.h"
#include "charset.h"
#include "coding.h"
#include "frame.h"
#include "disptab.h"
#include "termhooks.h"
#include "keyboard.h"
#include "dispextern.h"
#include "cm.h"
#ifdef HAVE_X_WINDOWS
#include "xterm.h"
#endif
#define max(a, b) ((a) > (b) ? (a) : (b))
#define min(a, b) ((a) < (b) ? (a) : (b))
#define OUTPUT(a) tputs (a, (int) (FRAME_HEIGHT (selected_frame) - curY), cmputc)
#define OUTPUT1(a) tputs (a, 1, cmputc)
#define OUTPUTL(a, lines) tputs (a, lines, cmputc)
#define OUTPUT_IF(a) { if (a) tputs (a, (int) (FRAME_HEIGHT (selected_frame) - curY), cmputc); }
#define OUTPUT1_IF(a) { if (a) tputs (a, 1, cmputc); }
Lisp_Object Vring_bell_function;
int must_write_spaces;
int min_padding_speed;
int line_ins_del_ok;
int char_ins_del_ok;
int scroll_region_ok;
int scroll_region_cost;
int memory_below_frame;
int fast_clear_end_of_line;
int no_redraw_on_reenter;
void (*cursor_to_hook) P_ ((int, int));
void (*raw_cursor_to_hook) P_ ((int, int));
void (*clear_to_end_hook) P_ ((void));
void (*clear_frame_hook) P_ ((void));
void (*clear_end_of_line_hook) P_ ((int));
void (*ins_del_lines_hook) P_ ((int, int));
void (*change_line_highlight_hook) P_ ((int, int, int));
void (*reassert_line_highlight_hook) P_ ((int, int));
void (*insert_glyphs_hook) P_ ((GLYPH *, int));
void (*write_glyphs_hook) P_ ((GLYPH *, int));
void (*delete_glyphs_hook) P_ ((int));
void (*ring_bell_hook) P_ ((void));
void (*reset_terminal_modes_hook) P_ ((void));
void (*set_terminal_modes_hook) P_ ((void));
void (*update_begin_hook) P_ ((struct frame *));
void (*update_end_hook) P_ ((struct frame *));
void (*set_terminal_window_hook) P_ ((int));
int (*read_socket_hook) P_ ((int, struct input_event *, int, int));
void (*frame_up_to_date_hook) P_ ((struct frame *));
void (*mouse_position_hook) P_ ((FRAME_PTR *f, int insist,
Lisp_Object *bar_window,
enum scroll_bar_part *part,
Lisp_Object *x,
Lisp_Object *y,
unsigned long *time));
void (*frame_rehighlight_hook) P_ ((FRAME_PTR f));
void (*frame_raise_lower_hook) P_ ((FRAME_PTR f, int raise));
void (*set_vertical_scroll_bar_hook)
P_ ((struct window *window,
int portion, int whole, int position));
void (*condemn_scroll_bars_hook) P_ ((FRAME_PTR frame));
void (*redeem_scroll_bar_hook) P_ ((struct window *window));
void (*judge_scroll_bars_hook) P_ ((FRAME_PTR FRAME));
char *TS_end_italic_mode;
char *TS_ins_line;
char *TS_italic_mode;
char *TS_ins_multi_lines;
char *TS_bell;
char *TS_clr_to_bottom;
char *TS_clr_line;
char *TS_clr_frame;
char *TS_set_scroll_region;
char *TS_set_scroll_region_1;
char *TS_del_char;
char *TS_del_multi_chars;
char *TS_del_line;
char *TS_del_multi_lines;
char *TS_delete_mode;
char *TS_end_delete_mode;
char *TS_end_insert_mode;
char *TS_ins_char;
char *TS_ins_multi_chars;
char *TS_insert_mode;
char *TS_pad_inserted_char;
char *TS_end_keypad_mode;
char *TS_keypad_mode;
char *TS_bold_mode;
char *TS_end_bold_mode;
char *TS_pad_char;
char *TS_repeat;
char *TS_end_standout_mode;
char *TS_fwd_scroll;
char *TS_standout_mode;
char *TS_rev_scroll;
char *TS_end_termcap_modes;
char *TS_termcap_modes;
char *TS_end_underscore_mode;
char *TS_underscore_mode;
char *TS_visible_bell;
char *TS_end_visual_mode;
char *TS_visual_mode;
char *TS_set_window;
int TF_hazeltine;
int TF_insmode_motion;
int TF_standout_motion;
int TF_underscore;
int TF_teleray;
int TF_xs;
int TN_standout_width;
static int RPov;
static int delete_in_insert_mode;
static int se_is_so;
int max_frame_width;
int max_frame_height;
static char *chars_wasted;
static char *copybuf;
int standout_requested;
int insert_mode;
int standout_mode;
int specified_window;
FRAME_PTR updating_frame;
static int system_uses_terminfo;
char *tparam ();
extern char *tgetstr ();
#ifdef WINDOWSNT
#undef FRAME_TERMCAP_P
#define FRAME_TERMCAP_P(_f_) 0
#endif
void
ring_bell ()
{
if (! NILP (Vring_bell_function))
{
Lisp_Object function;
function = Vring_bell_function;
Vring_bell_function = Qnil;
call0 (function);
Vring_bell_function = function;
return;
}
if (! FRAME_TERMCAP_P (selected_frame))
{
(*ring_bell_hook) ();
return;
}
OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell);
}
void
set_terminal_modes ()
{
if (! FRAME_TERMCAP_P (selected_frame))
{
(*set_terminal_modes_hook) ();
return;
}
OUTPUT_IF (TS_termcap_modes);
OUTPUT_IF (TS_visual_mode);
OUTPUT_IF (TS_keypad_mode);
losecursor ();
}
void
reset_terminal_modes ()
{
if (! FRAME_TERMCAP_P (selected_frame))
{
if (reset_terminal_modes_hook)
(*reset_terminal_modes_hook) ();
return;
}
if (TN_standout_width < 0)
turn_off_highlight ();
turn_off_insert ();
OUTPUT_IF (TS_end_keypad_mode);
OUTPUT_IF (TS_end_visual_mode);
OUTPUT_IF (TS_end_termcap_modes);
if (TN_standout_width >= 0)
cmputc ('\n');
cmputc ('\r');
}
void
update_begin (f)
FRAME_PTR f;
{
updating_frame = f;
if (! FRAME_TERMCAP_P (updating_frame))
(*update_begin_hook) (f);
}
void
update_end (f)
FRAME_PTR f;
{
if (! FRAME_TERMCAP_P (updating_frame))
{
(*update_end_hook) (f);
updating_frame = 0;
return;
}
turn_off_insert ();
background_highlight ();
standout_requested = 0;
updating_frame = 0;
}
void
set_terminal_window (size)
int size;
{
if (! FRAME_TERMCAP_P (updating_frame))
{
(*set_terminal_window_hook) (size);
return;
}
specified_window = size ? size : FRAME_HEIGHT (selected_frame);
if (!scroll_region_ok)
return;
set_scroll_region (0, specified_window);
}
void
set_scroll_region (start, stop)
int start, stop;
{
char *buf;
if (TS_set_scroll_region)
{
buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1);
}
else if (TS_set_scroll_region_1)
{
buf = tparam (TS_set_scroll_region_1, 0, 0,
FRAME_HEIGHT (selected_frame), start,
FRAME_HEIGHT (selected_frame) - stop,
FRAME_HEIGHT (selected_frame));
}
else
{
buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_WIDTH (selected_frame));
}
OUTPUT (buf);
xfree (buf);
losecursor ();
}
void
turn_on_insert ()
{
if (!insert_mode)
OUTPUT (TS_insert_mode);
insert_mode = 1;
}
void
turn_off_insert ()
{
if (insert_mode)
OUTPUT (TS_end_insert_mode);
insert_mode = 0;
}
void
turn_off_highlight ()
{
if (TN_standout_width < 0)
{
if (standout_mode)
OUTPUT_IF (TS_end_standout_mode);
standout_mode = 0;
}
}
void
turn_on_highlight ()
{
if (TN_standout_width < 0)
{
if (!standout_mode)
OUTPUT_IF (TS_standout_mode);
standout_mode = 1;
}
}
void
background_highlight ()
{
if (TN_standout_width >= 0)
return;
if (inverse_video)
turn_on_highlight ();
else
turn_off_highlight ();
}
static void
highlight_if_desired ()
{
if (TN_standout_width >= 0)
return;
if (!inverse_video == !standout_requested)
turn_off_highlight ();
else
turn_on_highlight ();
}
void
write_standout_marker (flag, vpos)
int flag, vpos;
{
if (flag || (TS_end_standout_mode && !TF_teleray && !se_is_so
&& !(TF_xs && TN_standout_width == 0)))
{
cmgoto (vpos, 0);
cmplus (TN_standout_width);
OUTPUT (flag ? TS_standout_mode : TS_end_standout_mode);
chars_wasted[curY] = TN_standout_width | 0100;
}
}
void
reassert_line_highlight (highlight, vpos)
int highlight;
int vpos;
{
if (! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame)))
{
(*reassert_line_highlight_hook) (highlight, vpos);
return;
}
if (TN_standout_width < 0)
standout_requested = highlight;
else if (chars_wasted[vpos] == 0)
write_standout_marker (highlight, vpos);
}
void
change_line_highlight (new_highlight, vpos, first_unused_hpos)
int new_highlight, vpos, first_unused_hpos;
{
standout_requested = new_highlight;
if (! FRAME_TERMCAP_P (updating_frame))
{
(*change_line_highlight_hook) (new_highlight, vpos, first_unused_hpos);
return;
}
cursor_to (vpos, 0);
if (TN_standout_width < 0)
background_highlight ();
else if (TS_clr_line && chars_wasted[curY])
{
turn_off_insert ();
if (TF_teleray)
{
cmgoto (curY - 1, FRAME_WIDTH (selected_frame) - 4);
OUTPUT ("\033S");
curY++;
curX = 0;
}
else
cmgoto (curY, 0);
}
clear_end_of_line_raw (first_unused_hpos);
reassert_line_highlight (new_highlight, curY);
}
void
cursor_to (row, col)
int row, col;
{
if (! FRAME_TERMCAP_P ((updating_frame
? updating_frame
: selected_frame))
&& cursor_to_hook)
{
(*cursor_to_hook) (row, col);
return;
}
if (chars_wasted == 0)
return;
col += chars_wasted[row] & 077;
if (curY == row && curX == col)
return;
if (!TF_standout_motion)
background_highlight ();
if (!TF_insmode_motion)
turn_off_insert ();
cmgoto (row, col);
}
void
raw_cursor_to (row, col)
int row, col;
{
if (! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame)))
{
(*raw_cursor_to_hook) (row, col);
return;
}
if (curY == row && curX == col)
return;
if (!TF_standout_motion)
background_highlight ();
if (!TF_insmode_motion)
turn_off_insert ();
cmgoto (row, col);
}
void
clear_to_end ()
{
register int i;
if (clear_to_end_hook && ! FRAME_TERMCAP_P (updating_frame))
{
(*clear_to_end_hook) ();
return;
}
if (TS_clr_to_bottom)
{
background_highlight ();
OUTPUT (TS_clr_to_bottom);
bzero (chars_wasted + curY, FRAME_HEIGHT (selected_frame) - curY);
}
else
{
for (i = curY; i < FRAME_HEIGHT (selected_frame); i++)
{
cursor_to (i, 0);
clear_end_of_line_raw (FRAME_WIDTH (selected_frame));
}
}
}
void
clear_frame ()
{
if (clear_frame_hook
&& ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame)))
{
(*clear_frame_hook) ();
return;
}
if (TS_clr_frame)
{
background_highlight ();
OUTPUT (TS_clr_frame);
bzero (chars_wasted, FRAME_HEIGHT (selected_frame));
cmat (0, 0);
}
else
{
cursor_to (0, 0);
clear_to_end ();
}
}
void
clear_end_of_line (first_unused_hpos)
int first_unused_hpos;
{
static GLYPH buf = SPACEGLYPH;
if (FRAME_TERMCAP_P (selected_frame)
&& chars_wasted != 0
&& TN_standout_width == 0 && curX == 0 && chars_wasted[curY] != 0)
write_glyphs (&buf, 1);
clear_end_of_line_raw (first_unused_hpos);
}
void
clear_end_of_line_raw (first_unused_hpos)
int first_unused_hpos;
{
register int i;
if (clear_end_of_line_hook
&& ! FRAME_TERMCAP_P ((updating_frame
? updating_frame
: selected_frame)))
{
(*clear_end_of_line_hook) (first_unused_hpos);
return;
}
if (chars_wasted == 0)
return;
first_unused_hpos += chars_wasted[curY] & 077;
if (curX >= first_unused_hpos)
return;
if (curX == 0)
chars_wasted[curY] = 0;
background_highlight ();
if (TS_clr_line)
{
OUTPUT1 (TS_clr_line);
}
else
{
turn_off_insert ();
if (AutoWrap && curY == FRAME_HEIGHT (selected_frame) - 1
&& first_unused_hpos == FRAME_WIDTH (selected_frame))
first_unused_hpos--;
for (i = curX; i < first_unused_hpos; i++)
{
if (termscript)
fputc (' ', termscript);
putchar (' ');
}
cmplus (first_unused_hpos - curX);
}
}
int
encode_terminal_code (src, dst, src_len, dst_len, consumed)
GLYPH *src;
int src_len;
unsigned char *dst;
int dst_len, *consumed;
{
GLYPH *src_start = src, *src_end = src + src_len;
unsigned char *dst_start = dst, *dst_end = dst + dst_len;
register GLYPH g;
unsigned int c;
unsigned char workbuf[4], *buf;
int len;
register int tlen = GLYPH_TABLE_LENGTH;
register Lisp_Object *tbase = GLYPH_TABLE_BASE;
int result;
struct coding_system *coding;
coding = (CODING_REQUIRE_ENCODING (&terminal_coding)
? &terminal_coding
: &safe_terminal_coding);
while (src < src_end)
{
g = *src;
if (! (g & GLYPH_MASK_PADDING))
{
if ((c = GLYPH_CHAR (selected_frame, g)) > MAX_CHAR)
{
c = ' ';
g = MAKE_GLYPH (selected_frame, c,
GLYPH_FACE (selected_frame, g));
}
if (COMPOSITE_CHAR_P (c))
{
g = cmpchar_table[COMPOSITE_CHAR_ID (c)]->glyph[0],
c = GLYPH_CHAR (selected_frame, g);
}
if (c < tlen)
{
GLYPH_FOLLOW_ALIASES (tbase, tlen, g);
c = GLYPH_CHAR (selected_frame, g);
}
if (GLYPH_SIMPLE_P (tbase, tlen, g))
len = CHAR_STRING (c, workbuf, buf);
else
{
len = GLYPH_LENGTH (tbase, g);
buf = GLYPH_STRING (tbase, g);
}
result = encode_coding (coding, buf, dst, len, dst_end - dst);
len -= coding->consumed;
dst += coding->produced;
if (result == CODING_FINISH_INSUFFICIENT_DST
|| (result == CODING_FINISH_INSUFFICIENT_SRC
&& len > dst_end - dst))
break;
if (len > 0)
{
buf += coding->consumed;
while (len--)
*dst++ = *buf++;
}
}
src++;
}
*consumed = src - src_start;
return (dst - dst_start);
}
void
write_glyphs (string, len)
register GLYPH *string;
register int len;
{
register GLYPH g;
register int tlen = GLYPH_TABLE_LENGTH;
register Lisp_Object *tbase = GLYPH_TABLE_BASE;
int produced, consumed;
if (write_glyphs_hook
&& ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame)))
{
(*write_glyphs_hook) (string, len);
return;
}
highlight_if_desired ();
turn_off_insert ();
if (AutoWrap
&& curY + 1 == FRAME_HEIGHT (selected_frame)
&& (curX + len - (chars_wasted[curY] & 077)
== FRAME_WIDTH (selected_frame)))
len --;
if (len <= 0)
return;
cmplus (len);
terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK;
while (len > 0)
{
produced = encode_terminal_code (string, conversion_buffer,
len, conversion_buffer_size, &consumed);
if (produced > 0)
{
fwrite (conversion_buffer, 1, produced, stdout);
if (ferror (stdout))
clearerr (stdout);
if (termscript)
fwrite (conversion_buffer, 1, produced, termscript);
}
len -= consumed;
string += consumed;
}
if (CODING_REQUIRE_FLUSHING (&terminal_coding))
{
terminal_coding.mode |= CODING_MODE_LAST_BLOCK;
encode_coding (&terminal_coding, "", conversion_buffer,
0, conversion_buffer_size);
if (terminal_coding.produced > 0)
{
fwrite (conversion_buffer, 1, terminal_coding.produced, stdout);
if (ferror (stdout))
clearerr (stdout);
if (termscript)
fwrite (conversion_buffer, 1, terminal_coding.produced,
termscript);
}
}
cmcheckmagic ();
}
void
insert_glyphs (start, len)
register GLYPH *start;
register int len;
{
char *buf;
GLYPH g;
register int tlen = GLYPH_TABLE_LENGTH;
register Lisp_Object *tbase = GLYPH_TABLE_BASE;
if (len <= 0)
return;
if (insert_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame))
{
(*insert_glyphs_hook) (start, len);
return;
}
highlight_if_desired ();
if (TS_ins_multi_chars)
{
buf = tparam (TS_ins_multi_chars, 0, 0, len);
OUTPUT1 (buf);
xfree (buf);
if (start)
write_glyphs (start, len);
return;
}
turn_on_insert ();
cmplus (len);
terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK;
while (len-- > 0)
{
int produced, consumed;
OUTPUT1_IF (TS_ins_char);
if (!start)
g = SPACEGLYPH;
else
{
g = *start++;
while (*start & GLYPH_MASK_PADDING)
{
OUTPUT1_IF (TS_ins_char);
start++, len--;
}
}
if (len <= 0)
terminal_coding.mode |= CODING_MODE_LAST_BLOCK;
produced = encode_terminal_code (&g, conversion_buffer,
1, conversion_buffer_size, &consumed);
if (produced > 0)
{
fwrite (conversion_buffer, 1, produced, stdout);
if (ferror (stdout))
clearerr (stdout);
if (termscript)
fwrite (conversion_buffer, 1, produced, termscript);
}
OUTPUT1_IF (TS_pad_inserted_char);
}
cmcheckmagic ();
}
void
delete_glyphs (n)
register int n;
{
char *buf;
register int i;
if (delete_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame))
{
(*delete_glyphs_hook) (n);
return;
}
if (delete_in_insert_mode)
{
turn_on_insert ();
}
else
{
turn_off_insert ();
OUTPUT_IF (TS_delete_mode);
}
if (TS_del_multi_chars)
{
buf = tparam (TS_del_multi_chars, 0, 0, n);
OUTPUT1 (buf);
xfree (buf);
}
else
for (i = 0; i < n; i++)
OUTPUT1 (TS_del_char);
if (!delete_in_insert_mode)
OUTPUT_IF (TS_end_delete_mode);
}
void
ins_del_lines (vpos, n)
int vpos, n;
{
char *multi = n > 0 ? TS_ins_multi_lines : TS_del_multi_lines;
char *single = n > 0 ? TS_ins_line : TS_del_line;
char *scroll = n > 0 ? TS_rev_scroll : TS_fwd_scroll;
register int i = n > 0 ? n : -n;
register char *buf;
if (ins_del_lines_hook && ! FRAME_TERMCAP_P (updating_frame))
{
(*ins_del_lines_hook) (vpos, n);
return;
}
if (scroll_region_ok && vpos + i >= specified_window)
return;
if (!memory_below_frame && vpos + i >= FRAME_HEIGHT (selected_frame))
return;
if (multi)
{
raw_cursor_to (vpos, 0);
background_highlight ();
buf = tparam (multi, 0, 0, i);
OUTPUT (buf);
xfree (buf);
}
else if (single)
{
raw_cursor_to (vpos, 0);
background_highlight ();
while (--i >= 0)
OUTPUT (single);
if (TF_teleray)
curX = 0;
}
else
{
set_scroll_region (vpos, specified_window);
if (n < 0)
raw_cursor_to (specified_window - 1, 0);
else
raw_cursor_to (vpos, 0);
background_highlight ();
while (--i >= 0)
OUTPUTL (scroll, specified_window - vpos);
set_scroll_region (0, specified_window);
}
if (TN_standout_width >= 0)
{
register int lower_limit
= (scroll_region_ok
? specified_window
: FRAME_HEIGHT (selected_frame));
if (n < 0)
{
bcopy (&chars_wasted[vpos - n], &chars_wasted[vpos],
lower_limit - vpos + n);
bzero (&chars_wasted[lower_limit + n], - n);
}
else
{
bcopy (&chars_wasted[vpos], ©buf[vpos], lower_limit - vpos - n);
bcopy (©buf[vpos], &chars_wasted[vpos + n],
lower_limit - vpos - n);
bzero (&chars_wasted[vpos], n);
}
}
if (!scroll_region_ok && memory_below_frame && n < 0)
{
cursor_to (FRAME_HEIGHT (selected_frame) + n, 0);
clear_to_end ();
}
}
int
string_cost (str)
char *str;
{
cost = 0;
if (str)
tputs (str, 0, evalcost);
return cost;
}
static int
string_cost_one_line (str)
char *str;
{
cost = 0;
if (str)
tputs (str, 1, evalcost);
return cost;
}
int
per_line_cost (str)
register char *str;
{
cost = 0;
if (str)
tputs (str, 0, evalcost);
cost = - cost;
if (str)
tputs (str, 10, evalcost);
return cost;
}
#ifndef old
int *char_ins_del_vector;
#define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_WIDTH ((f))])
#endif
static void
calculate_ins_del_char_costs (frame)
FRAME_PTR frame;
{
int ins_startup_cost, del_startup_cost;
int ins_cost_per_char, del_cost_per_char;
register int i;
register int *p;
if (TS_ins_multi_chars)
{
ins_cost_per_char = 0;
ins_startup_cost = string_cost_one_line (TS_ins_multi_chars);
}
else if (TS_ins_char || TS_pad_inserted_char
|| (TS_insert_mode && TS_end_insert_mode))
{
ins_startup_cost = (30 * (string_cost (TS_insert_mode)
+ string_cost (TS_end_insert_mode))) / 100;
ins_cost_per_char = (string_cost_one_line (TS_ins_char)
+ string_cost_one_line (TS_pad_inserted_char));
}
else
{
ins_startup_cost = 9999;
ins_cost_per_char = 0;
}
if (TS_del_multi_chars)
{
del_cost_per_char = 0;
del_startup_cost = string_cost_one_line (TS_del_multi_chars);
}
else if (TS_del_char)
{
del_startup_cost = (string_cost (TS_delete_mode)
+ string_cost (TS_end_delete_mode));
if (delete_in_insert_mode)
del_startup_cost /= 2;
del_cost_per_char = string_cost_one_line (TS_del_char);
}
else
{
del_startup_cost = 9999;
del_cost_per_char = 0;
}
p = &char_ins_del_cost (frame)[0];
for (i = FRAME_WIDTH (frame); --i >= 0;)
*--p = (del_startup_cost += del_cost_per_char);
p = &char_ins_del_cost (frame)[0];
*p++ = 0;
for (i = FRAME_WIDTH (frame); --i >= 0;)
*p++ = (ins_startup_cost += ins_cost_per_char);
}
void
calculate_costs (frame)
FRAME_PTR frame;
{
register char *f = (TS_set_scroll_region
? TS_set_scroll_region
: TS_set_scroll_region_1);
FRAME_COST_BAUD_RATE (frame) = baud_rate;
scroll_region_cost = string_cost (f);
#ifdef HAVE_X_WINDOWS
if (FRAME_X_P (frame))
{
do_line_insertion_deletion_costs (frame, 0, ".5*", 0, ".5*",
0, 0,
x_screen_planes (frame));
scroll_region_cost = 0;
return;
}
#endif
max_frame_height = max (max_frame_height, FRAME_HEIGHT (frame));
max_frame_width = max (max_frame_width, FRAME_WIDTH (frame));
if (chars_wasted != 0)
chars_wasted = (char *) xrealloc (chars_wasted, max_frame_height);
else
chars_wasted = (char *) xmalloc (max_frame_height);
if (copybuf != 0)
copybuf = (char *) xrealloc (copybuf, max_frame_height);
else
copybuf = (char *) xmalloc (max_frame_height);
if (char_ins_del_vector != 0)
char_ins_del_vector
= (int *) xrealloc (char_ins_del_vector,
(sizeof (int)
+ 2 * max_frame_width * sizeof (int)));
else
char_ins_del_vector
= (int *) xmalloc (sizeof (int)
+ 2 * max_frame_width * sizeof (int));
bzero (chars_wasted, max_frame_height);
bzero (copybuf, max_frame_height);
bzero (char_ins_del_vector, (sizeof (int)
+ 2 * max_frame_width * sizeof (int)));
if (f && (!TS_ins_line && !TS_del_line))
do_line_insertion_deletion_costs (frame,
TS_rev_scroll, TS_ins_multi_lines,
TS_fwd_scroll, TS_del_multi_lines,
f, f, 1);
else
do_line_insertion_deletion_costs (frame,
TS_ins_line, TS_ins_multi_lines,
TS_del_line, TS_del_multi_lines,
0, 0, 1);
calculate_ins_del_char_costs (frame);
if (TS_repeat && per_line_cost (TS_repeat) * baud_rate < 9000)
RPov = string_cost (TS_repeat);
else
RPov = FRAME_WIDTH (frame) * 2;
cmcostinit ();
}
struct fkey_table {
char *cap, *name;
};
static struct fkey_table keys[] = {
"kh", "home",
"kl", "left",
"ku", "up",
"kr", "right",
"kd", "down",
"%8", "prior",
"%5", "next",
"@7", "end",
"@1", "begin",
"*6", "select",
"%9", "print",
"@4", "execute",
"&8", "undo",
"%0", "redo",
"%7", "menu",
"@0", "find",
"@2", "cancel",
"%1", "help",
"&4", "reset",
"kE", "clearline",
"kA", "insertline",
"kL", "deleteline",
"kI", "insertchar",
"kD", "deletechar",
"kB", "backtab",
"@8", "kp-enter",
"K4", "kp-1",
"K5", "kp-3",
"K2", "kp-5",
"K1", "kp-7",
"K3", "kp-9",
"k1", "f1",
"k2", "f2",
"k3", "f3",
"k4", "f4",
"k5", "f5",
"k6", "f6",
"k7", "f7",
"k8", "f8",
"k9", "f9",
};
static char **term_get_fkeys_arg;
static Lisp_Object term_get_fkeys_1 ();
void
term_get_fkeys (address)
char **address;
{
extern Lisp_Object Fidentity ();
term_get_fkeys_arg = address;
internal_condition_case (term_get_fkeys_1, Qerror, Fidentity);
}
static Lisp_Object
term_get_fkeys_1 ()
{
int i;
char **address = term_get_fkeys_arg;
if (!initialized)
Vfunction_key_map = Fmake_sparse_keymap (Qnil);
for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++)
{
char *sequence = tgetstr (keys[i].cap, address);
if (sequence)
Fdefine_key (Vfunction_key_map, build_string (sequence),
Fmake_vector (make_number (1),
intern (keys[i].name)));
}
{
char *k_semi = tgetstr ("k;", address);
char *k0 = tgetstr ("k0", address);
char *k0_name = "f10";
if (k_semi)
{
Fdefine_key (Vfunction_key_map, build_string (k_semi),
Fmake_vector (make_number (1), intern ("f10")));
k0_name = "f0";
}
if (k0)
Fdefine_key (Vfunction_key_map, build_string (k0),
Fmake_vector (make_number (1), intern (k0_name)));
}
{
char fcap[3], fkey[4];
fcap[0] = 'F'; fcap[2] = '\0';
for (i = 11; i < 64; i++)
{
if (i <= 19)
fcap[1] = '1' + i - 11;
else if (i <= 45)
fcap[1] = 'A' + i - 20;
else
fcap[1] = 'a' + i - 46;
{
char *sequence = tgetstr (fcap, address);
if (sequence)
{
sprintf (fkey, "f%d", i);
Fdefine_key (Vfunction_key_map, build_string (sequence),
Fmake_vector (make_number (1),
intern (fkey)));
}
}
}
}
{
#define CONDITIONAL_REASSIGN(cap1, cap2, sym) \
if (!tgetstr (cap1, address)) \
{ \
char *sequence = tgetstr (cap2, address); \
if (sequence) \
Fdefine_key (Vfunction_key_map, build_string (sequence), \
Fmake_vector (make_number (1), \
intern (sym))); \
}
CONDITIONAL_REASSIGN ("%5", "kN", "next");
CONDITIONAL_REASSIGN ("%8", "kP", "prior");
CONDITIONAL_REASSIGN ("kD", "kI", "insert");
CONDITIONAL_REASSIGN ("@7", "kH", "end");
CONDITIONAL_REASSIGN ("kB", "KO", "backtab");
CONDITIONAL_REASSIGN ("@4", "kJ", "execute");
CONDITIONAL_REASSIGN ("@4", "kc", "execute");
CONDITIONAL_REASSIGN ("%7", "ki", "menu");
CONDITIONAL_REASSIGN ("@7", "kw", "end");
CONDITIONAL_REASSIGN ("F1", "k<", "f11");
CONDITIONAL_REASSIGN ("F2", "k>", "f12");
CONDITIONAL_REASSIGN ("%1", "kq", "help");
CONDITIONAL_REASSIGN ("*6", "kU", "select");
#undef CONDITIONAL_REASSIGN
}
}
#if defined(__APPLE_CC__)
__private_extern__ char _emacs_PC;
#define PC _emacs_PC
#endif
void
term_init (terminal_type)
char *terminal_type;
{
char *area;
char **address = &area;
char buffer[2044];
register char *p;
int status;
#ifdef WINDOWSNT
initialize_w32_display ();
Wcm_clear ();
area = (char *) xmalloc (2044);
if (area == 0)
abort ();
FrameRows = FRAME_HEIGHT (selected_frame);
FrameCols = FRAME_WIDTH (selected_frame);
specified_window = FRAME_HEIGHT (selected_frame);
delete_in_insert_mode = 1;
UseTabs = 0;
scroll_region_ok = 0;
line_ins_del_ok = 0;
char_ins_del_ok = 1;
baud_rate = 19200;
FRAME_CAN_HAVE_SCROLL_BARS (selected_frame) = 0;
FRAME_VERTICAL_SCROLL_BAR_TYPE (selected_frame) = vertical_scroll_bar_none;
return;
#else
Wcm_clear ();
status = tgetent (buffer, terminal_type);
if (status < 0)
{
#ifdef TERMINFO
fatal ("Cannot open terminfo database file");
#else
fatal ("Cannot open termcap database file");
#endif
}
if (status == 0)
{
#ifdef TERMINFO
fatal ("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);
#else
fatal ("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);
#endif
}
#ifdef TERMINFO
area = (char *) xmalloc (2044);
#else
area = (char *) xmalloc (strlen (buffer));
#endif
if (area == 0)
abort ();
TS_ins_line = tgetstr ("al", address);
TS_ins_multi_lines = tgetstr ("AL", address);
TS_bell = tgetstr ("bl", address);
BackTab = tgetstr ("bt", address);
TS_clr_to_bottom = tgetstr ("cd", address);
TS_clr_line = tgetstr ("ce", address);
TS_clr_frame = tgetstr ("cl", address);
ColPosition = tgetstr ("ch", address);
AbsPosition = tgetstr ("cm", address);
CR = tgetstr ("cr", address);
TS_set_scroll_region = tgetstr ("cs", address);
TS_set_scroll_region_1 = tgetstr ("cS", address);
RowPosition = tgetstr ("cv", address);
TS_del_char = tgetstr ("dc", address);
TS_del_multi_chars = tgetstr ("DC", address);
TS_del_line = tgetstr ("dl", address);
TS_del_multi_lines = tgetstr ("DL", address);
TS_delete_mode = tgetstr ("dm", address);
TS_end_delete_mode = tgetstr ("ed", address);
TS_end_insert_mode = tgetstr ("ei", address);
Home = tgetstr ("ho", address);
TS_ins_char = tgetstr ("ic", address);
TS_ins_multi_chars = tgetstr ("IC", address);
TS_insert_mode = tgetstr ("im", address);
TS_pad_inserted_char = tgetstr ("ip", address);
TS_end_keypad_mode = tgetstr ("ke", address);
TS_keypad_mode = tgetstr ("ks", address);
LastLine = tgetstr ("ll", address);
Right = tgetstr ("nd", address);
Down = tgetstr ("do", address);
if (!Down)
Down = tgetstr ("nl", address);
#ifdef VMS
if (Down && Down[0] == '\n' && Down[1] == '\0')
Down = 0;
#endif
if (tgetflag ("bs"))
Left = "\b";
else
Left = tgetstr ("le", address);
if (!Left)
Left = tgetstr ("bc", address);
TS_pad_char = tgetstr ("pc", address);
TS_repeat = tgetstr ("rp", address);
TS_end_standout_mode = tgetstr ("se", address);
TS_fwd_scroll = tgetstr ("sf", address);
TS_standout_mode = tgetstr ("so", address);
TS_rev_scroll = tgetstr ("sr", address);
Wcm.cm_tab = tgetstr ("ta", address);
TS_end_termcap_modes = tgetstr ("te", address);
TS_termcap_modes = tgetstr ("ti", address);
TS_bold_mode = tgetstr ("md", address);
TS_end_bold_mode = tgetstr ("me", address);
TS_underscore_mode = tgetstr ("us", address);
TS_end_underscore_mode = tgetstr ("ue", address);
Up = tgetstr ("up", address);
TS_visible_bell = tgetstr ("vb", address);
TS_end_visual_mode = tgetstr ("ve", address);
TS_visual_mode = tgetstr ("vs", address);
TS_set_window = tgetstr ("wi", address);
MultiUp = tgetstr ("UP", address);
MultiDown = tgetstr ("DO", address);
MultiLeft = tgetstr ("LE", address);
MultiRight = tgetstr ("RI", address);
MagicWrap = tgetflag ("xn");
AutoWrap = MagicWrap || tgetflag ("am");
memory_below_frame = tgetflag ("db");
TF_hazeltine = tgetflag ("hz");
must_write_spaces = tgetflag ("in");
meta_key = tgetflag ("km") || tgetflag ("MT");
TF_insmode_motion = tgetflag ("mi");
TF_standout_motion = tgetflag ("ms");
TF_underscore = tgetflag ("ul");
TF_xs = tgetflag ("xs");
TF_teleray = tgetflag ("xt");
term_get_fkeys (address);
{
int height, width;
get_frame_size (&width, &height);
FRAME_WIDTH (selected_frame) = width;
FRAME_HEIGHT (selected_frame) = height;
}
if (FRAME_WIDTH (selected_frame) <= 0)
SET_FRAME_WIDTH (selected_frame, tgetnum ("co"));
else
SET_FRAME_WIDTH (selected_frame, FRAME_WIDTH (selected_frame));
if (FRAME_HEIGHT (selected_frame) <= 0)
FRAME_HEIGHT (selected_frame) = tgetnum ("li");
if (FRAME_HEIGHT (selected_frame) < 3
|| FRAME_WIDTH (selected_frame) < 3)
fatal ("Screen size %dx%d is too small",
FRAME_HEIGHT (selected_frame), FRAME_WIDTH (selected_frame));
min_padding_speed = tgetnum ("pb");
TN_standout_width = tgetnum ("sg");
TabWidth = tgetnum ("tw");
#ifdef VMS
if (Down && Down[0] == '\n')
Down = 0;
#endif
if (!TS_bell)
TS_bell = "\07";
if (!TS_fwd_scroll)
TS_fwd_scroll = Down;
PC = TS_pad_char ? *TS_pad_char : 0;
if (TabWidth < 0)
TabWidth = 8;
if (TS_standout_mode == 0)
{
TN_standout_width = tgetnum ("ug");
TS_end_standout_mode = tgetstr ("ue", address);
TS_standout_mode = tgetstr ("us", address);
}
if (TS_end_standout_mode == 0)
{
char *s = tgetstr ("me", address);
if (s != 0)
TS_end_standout_mode = s;
else
TS_standout_mode = 0;
}
if (TF_teleray)
{
Wcm.cm_tab = 0;
TS_standout_mode = "\033RD";
TN_standout_width = 1;
CR = 0;
Down = 0;
}
if (!strcmp (terminal_type, "supdup"))
{
memory_below_frame = 1;
Wcm.cm_losewrap = 1;
}
if (!strncmp (terminal_type, "c10", 3)
|| !strcmp (terminal_type, "perq"))
{
if (!TS_set_window)
{
p = TS_termcap_modes;
while (*p && strcmp (p, "\033v "))
p++;
if (*p)
TS_set_window = "\033v%C %C %C %C ";
}
must_write_spaces = 1;
strcpy (area, TS_termcap_modes);
strcat (area, "\033\007!");
TS_termcap_modes = area;
area += strlen (area) + 1;
p = AbsPosition;
while (*p)
{
if (p[0] == '%' && p[1] == '+')
p[1] = 'C';
p++;
}
}
FrameRows = FRAME_HEIGHT (selected_frame);
FrameCols = FRAME_WIDTH (selected_frame);
specified_window = FRAME_HEIGHT (selected_frame);
if (Wcm_init () == -1)
#ifdef VMS
fatal ("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.",
terminal_type);
#else
# ifdef TERMINFO
fatal ("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.",
terminal_type);
# else
fatal ("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.",
terminal_type);
# endif
#endif
if (FRAME_HEIGHT (selected_frame) <= 0
|| FRAME_WIDTH (selected_frame) <= 0)
fatal ("The frame size has not been specified");
delete_in_insert_mode
= TS_delete_mode && TS_insert_mode
&& !strcmp (TS_delete_mode, TS_insert_mode);
se_is_so = (TS_standout_mode
&& TS_end_standout_mode
&& !strcmp (TS_standout_mode, TS_end_standout_mode));
if (TN_standout_width > 0)
SET_FRAME_WIDTH (selected_frame,
FRAME_WIDTH (selected_frame) - TN_standout_width);
UseTabs = tabs_safe_p () && TabWidth == 8;
scroll_region_ok
= (Wcm.cm_abs
&& (TS_set_window || TS_set_scroll_region || TS_set_scroll_region_1));
line_ins_del_ok = (((TS_ins_line || TS_ins_multi_lines)
&& (TS_del_line || TS_del_multi_lines))
|| (scroll_region_ok && TS_fwd_scroll && TS_rev_scroll));
char_ins_del_ok = ((TS_ins_char || TS_insert_mode
|| TS_pad_inserted_char || TS_ins_multi_chars)
&& (TS_del_char || TS_del_multi_chars));
fast_clear_end_of_line = TS_clr_line != 0;
init_baud_rate ();
if (read_socket_hook)
baud_rate = 9600;
FRAME_CAN_HAVE_SCROLL_BARS (selected_frame) = 0;
FRAME_VERTICAL_SCROLL_BAR_TYPE (selected_frame) = vertical_scroll_bar_none;
#endif
}
void
fatal (str, arg1, arg2)
char *str, *arg1, *arg2;
{
fprintf (stderr, "emacs: ");
fprintf (stderr, str, arg1, arg2);
fprintf (stderr, "\n");
fflush (stderr);
exit (1);
}
void
syms_of_term ()
{
DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo,
"Non-nil means the system uses terminfo rather than termcap.\n\
This variable can be used by terminal emulator packages.");
#ifdef TERMINFO
system_uses_terminfo = 1;
#else
system_uses_terminfo = 0;
#endif
DEFVAR_LISP ("ring-bell-function", &Vring_bell_function,
"Non-nil means call this function to ring the bell.\n\
The function should accept no arguments.");
Vring_bell_function = Qnil;
}