/* terminal control module for terminals described by TERMCAP
- Copyright (C) 1985, 1986, 1987, 1992 Free Software Foundation, Inc.
+ Copyright (C) 1985, 86, 87, 93, 94, 95 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+#include <config.h>
#include <stdio.h>
#include <ctype.h>
-#include "config.h"
#include "termchar.h"
#include "termopts.h"
#include "cm.h"
#undef NULL
#include "lisp.h"
+#include "charset.h"
+#include "coding.h"
#include "frame.h"
#include "disptab.h"
#include "termhooks.h"
#include "keyboard.h"
+extern Lisp_Object Fmake_sparse_keymap ();
+
#define max(a, b) ((a) > (b) ? (a) : (b))
#define min(a, b) ((a) < (b) ? (a) : (b))
-#define OUTPUT(a) tputs (a, FRAME_HEIGHT (selected_frame) - curY, cmputc)
+#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, FRAME_HEIGHT (selected_frame) - curY, 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); }
-/* Terminal charateristics that higher levels want to look at.
+/* Function to use to ring the bell. */
+Lisp_Object Vring_bell_function;
+
+/* Terminal characteristics that higher levels want to look at.
These are all extern'd in termchar.h */
int must_write_spaces; /* Nonzero means spaces in the text
int char_ins_del_ok; /* Terminal can insert and delete chars */
int scroll_region_ok; /* Terminal supports setting the
scroll window */
+int scroll_region_cost; /* Cost of setting a scroll window,
+ measured in characters */
int memory_below_frame; /* Terminal remembers lines
scrolled off bottom */
int fast_clear_end_of_line; /* Terminal has a `ce' string */
-int dont_calculate_costs; /* Nonzero means don't bother computing */
- /* various cost tables; we won't use them. */
-
/* Nonzero means no need to redraw the entire frame on resuming
a suspended Emacs. This is useful on terminals with multiple pages,
where one page is used for Emacs and another for all else. */
int (*read_socket_hook) ();
-/* Return the current position of the mouse. This should clear
- mouse_moved until the next motion event arrives. */
-void (*mouse_position_hook) ( /* FRAME_PTR *f,
- Lisp_Object *x,
- Lisp_Object *y,
- unsigned long *time */ );
+int (*frame_up_to_date_hook) ();
+
+/* Return the current position of the mouse.
+
+ Set *f to the frame the mouse is in, or zero if the mouse is in no
+ Emacs frame. If it is set to zero, all the other arguments are
+ garbage.
+
+ If the motion started in a scroll bar, set *bar_window to the
+ scroll bar's window, *part to the part the mouse is currently over,
+ *x to the position of the mouse along the scroll bar, and *y to the
+ overall length of the scroll bar.
+
+ Otherwise, set *bar_window to Qnil, and *x and *y to the column and
+ row of the character cell the mouse is over.
+
+ Set *time to the time the mouse was at the returned position.
+
+ This should clear mouse_moved until the next motion
+ event arrives. */
+void (*mouse_position_hook) ( /* FRAME_PTR *f, int insist,
+ Lisp_Object *bar_window,
+ enum scroll_bar_part *part,
+ Lisp_Object *x,
+ Lisp_Object *y,
+ unsigned long *time */ );
/* When reading from a minibuffer in a different frame, Emacs wants
to shift the highlight from the selected frame to the minibuffer's
the highlight. */
void (*frame_rehighlight_hook) ( /* FRAME_PTR f */ );
+/* If we're displaying frames using a window system that can stack
+ frames on top of each other, this hook allows you to bring a frame
+ to the front, or bury it behind all the other windows. If this
+ hook is zero, that means the device we're displaying on doesn't
+ support overlapping frames, so there's no need to raise or lower
+ anything.
+
+ If RAISE is non-zero, F is brought to the front, before all other
+ windows. If RAISE is zero, F is sent to the back, behind all other
+ windows. */
+void (*frame_raise_lower_hook) ( /* FRAME_PTR f, int raise */ );
+
+/* Set the vertical scroll bar for WINDOW to have its upper left corner
+ at (TOP, LEFT), and be LENGTH rows high. Set its handle to
+ indicate that we are displaying PORTION characters out of a total
+ of WHOLE characters, starting at POSITION. If WINDOW doesn't yet
+ have a scroll bar, create one for it. */
+void (*set_vertical_scroll_bar_hook)
+ ( /* struct window *window,
+ int portion, int whole, int position */ );
+
+
+/* The following three hooks are used when we're doing a thorough
+ redisplay of the frame. We don't explicitly know which scroll bars
+ are going to be deleted, because keeping track of when windows go
+ away is a real pain - can you say set-window-configuration?
+ Instead, we just assert at the beginning of redisplay that *all*
+ scroll bars are to be removed, and then save scroll bars from the
+ fiery pit when we actually redisplay their window. */
+
+/* Arrange for all scroll bars on FRAME to be removed at the next call
+ to `*judge_scroll_bars_hook'. A scroll bar may be spared if
+ `*redeem_scroll_bar_hook' is applied to its window before the judgement.
+
+ This should be applied to each frame each time its window tree is
+ redisplayed, even if it is not displaying scroll bars at the moment;
+ if the HAS_SCROLL_BARS flag has just been turned off, only calling
+ this and the judge_scroll_bars_hook will get rid of them.
+
+ If non-zero, this hook should be safe to apply to any frame,
+ whether or not it can support scroll bars, and whether or not it is
+ currently displaying them. */
+void (*condemn_scroll_bars_hook)( /* FRAME_PTR *frame */ );
+
+/* Unmark WINDOW's scroll bar for deletion in this judgement cycle.
+ Note that it's okay to redeem a scroll bar that is not condemned. */
+void (*redeem_scroll_bar_hook)( /* struct window *window */ );
+
+/* Remove all scroll bars on FRAME that haven't been saved since the
+ last call to `*condemn_scroll_bars_hook'.
+
+ This should be applied to each frame after each time its window
+ tree is redisplayed, even if it is not displaying scroll bars at the
+ moment; if the HAS_SCROLL_BARS flag has just been turned off, only
+ calling this and condemn_scroll_bars_hook will get rid of them.
+
+ If non-zero, this hook should be safe to apply to any frame,
+ whether or not it can support scroll bars, and whether or not it is
+ currently displaying them. */
+void (*judge_scroll_bars_hook)( /* FRAME_PTR *FRAME */ );
+
+
/* Strings, numbers and flags taken from the termcap entry. */
-char *TS_ins_line; /* termcap "al" */
+char *TS_end_italic_mode; /* termcap "ae" */
+char *TS_ins_line; /* "al" */
+char *TS_italic_mode; /* "as" */
char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */
char *TS_bell; /* "bl" */
char *TS_clr_to_bottom; /* "cd" */
char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */
char *TS_end_keypad_mode; /* "ke" */
char *TS_keypad_mode; /* "ks" */
+char *TS_bold_mode; /* "md" */
+char *TS_end_bold_mode; /* "me" */
char *TS_pad_char; /* "pc", char to use as padding */
char *TS_repeat; /* "rp" (2 params, # times to repeat
and character to be repeated) */
char *TS_rev_scroll; /* "sr" */
char *TS_end_termcap_modes; /* "te" */
char *TS_termcap_modes; /* "ti" */
+char *TS_end_underscore_mode; /* "ue" */
+char *TS_underscore_mode; /* "us" */
char *TS_visible_bell; /* "vb" */
char *TS_end_visual_mode; /* "ve" */
char *TS_visual_mode; /* "vi" */
/* internal state */
+/* The largest frame width in any call to calculate_costs. */
+int max_frame_width;
+/* The largest frame height in any call to calculate_costs. */
+int max_frame_height;
+
/* Number of chars of space used for standout marker at beginning of line,
or'd with 0100. Zero if no standout marker at all.
+ The length of these vectors is max_frame_height.
Used IFF TN_standout_width >= 0. */
FRAME_PTR updating_frame;
+/* Provided for lisp packages. */
+static int system_uses_terminfo;
+
char *tparam ();
+
+extern char *tgetstr ();
\f
+
+#ifdef WINDOWSNT
+/* We aren't X windows, but we aren't termcap either. This makes me
+ uncertain as to what value to use for frame.output_method. For
+ this file, we'll define FRAME_TERMCAP_P to be zero so that our
+ output hooks get called instead of the termcap functions. Probably
+ the best long-term solution is to define an output_windows_nt... */
+
+#undef FRAME_TERMCAP_P
+#define FRAME_TERMCAP_P(_f_) 0
+#endif /* WINDOWSNT */
+
ring_bell ()
{
+ if (! NILP (Vring_bell_function))
+ {
+ Lisp_Object function;
+
+ /* Temporarily set the global variable to nil
+ so that if we get an error, it stays nil
+ and we don't call it over and over.
+
+ We don't specbind it, because that would carefully
+ restore the bad value if there's an error
+ and make the loop of errors happen anyway. */
+ function = Vring_bell_function;
+ Vring_bell_function = Qnil;
+
+ call0 (function);
+
+ Vring_bell_function = function;
+ return;
+ }
+
if (! FRAME_TERMCAP_P (selected_frame))
{
(*ring_bell_hook) ();
buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_WIDTH (selected_frame));
}
OUTPUT (buf);
- free (buf);
+ xfree (buf);
losecursor ();
}
\f
return;
}
+ /* Detect the case where we are called from reset_sys_modes
+ and the costs have never been calculated. Do nothing. */
+ if (chars_wasted == 0)
+ return;
+
col += chars_wasted[row] & 077;
if (curY == row && curX == col)
return;
{
register int i;
- if (clear_to_end_hook && FRAME_TERMCAP_P (updating_frame))
+ if (clear_to_end_hook && ! FRAME_TERMCAP_P (updating_frame))
{
(*clear_to_end_hook) ();
return;
clear_end_of_line (first_unused_hpos)
int first_unused_hpos;
{
- static GLYPH buf[1] = {SPACEGLYPH};
+ 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);
+ write_glyphs (&buf, 1);
clear_end_of_line_raw (first_unused_hpos);
}
return;
}
+ /* Detect the case where we are called from reset_sys_modes
+ and the costs have never been calculated. Do nothing. */
+ if (chars_wasted == 0)
+ return;
+
first_unused_hpos += chars_wasted[curY] & 077;
if (curX >= first_unused_hpos)
return;
}
}
\f
+/* Encode SRC_LEN glyphs starting at SRC to terminal output codes and
+ store them at DST. Do not write more than DST_LEN bytes. That may
+ require stopping before all SRC_LEN input glyphs have been
+ converted.
+
+ We store the number of glyphs actually converted in *CONSUMED. The
+ return value is the number of bytes store in DST. */
+
+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;
+ struct coding_system *coding;
+
+ coding = (CODING_REQUIRE_ENCODING (&terminal_coding)
+ ? &terminal_coding
+ : &safe_terminal_coding);
+
+ while (src < src_end)
+ {
+ g = *src;
+ /* We must skip glyphs to be padded for a wide character. */
+ 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))
+ {
+ /* If C is a composite character, we can display
+ only the first component. */
+ g = cmpchar_table[COMPOSITE_CHAR_ID (c)]->glyph[0],
+ c = GLYPH_CHAR (selected_frame, g);
+ }
+ if (c < tlen)
+ {
+ /* G has an entry in Vglyph_table,
+ so process any alias before testing for simpleness. */
+ GLYPH_FOLLOW_ALIASES (tbase, tlen, g);
+ c = GLYPH_CHAR (selected_frame, g);
+ }
+ if (GLYPH_SIMPLE_P (tbase, tlen, g))
+ /* We set the multi-byte form of C at BUF. */
+ len = CHAR_STRING (c, workbuf, buf);
+ else
+ {
+ /* We have a string in Vglyph_table. */
+ len = GLYPH_LENGTH (tbase, g);
+ buf = GLYPH_STRING (tbase, g);
+ }
+
+ encode_coding (coding, buf, dst, len, dst_end - dst);
+ if (coding->consumed < len)
+ /* We get a carryover because the remaining output
+ buffer is too short. We must break the loop here
+ without increasing SRC so that the next call of
+ this function start from the same glyph. */
+ break;
+ dst += coding->produced;
+ }
+ src++;
+ }
+ *consumed = src - src_start;
+ return (dst - dst_start);
+}
+
write_glyphs (string, len)
register GLYPH *string;
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)))
&& (curX + len - (chars_wasted[curY] & 077)
== FRAME_WIDTH (selected_frame)))
len --;
+ if (len <= 0)
+ return;
cmplus (len);
- while (--len >= 0)
+ /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at
+ the tail. */
+ terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK;
+ while (len > 0)
{
- g = *string++;
- /* Check quickly for G beyond length of table.
- That implies it isn't an alias and is simple. */
- if (g >= tlen)
+ /* We use shared conversion buffer of the current size (1024
+ bytes at least). Usually it is sufficient, but if not, we
+ just repeat the loop. */
+ produced = encode_terminal_code (string, conversion_buffer,
+ len, conversion_buffer_size, &consumed);
+ if (produced > 0)
{
- simple:
- putc (g & 0xff, stdout);
+ fwrite (conversion_buffer, 1, produced, stdout);
if (ferror (stdout))
clearerr (stdout);
if (termscript)
- putc (g & 0xff, termscript);
+ fwrite (conversion_buffer, 1, produced, termscript);
}
- else
+ len -= consumed;
+ string += consumed;
+ }
+ /* We may have to output some codes to terminate the writing. */
+ if (CODING_REQUIRE_FLUSHING (&terminal_coding))
+ {
+ terminal_coding.mode |= CODING_MODE_LAST_BLOCK;
+ encode_coding (&terminal_coding, (char *)0, conversion_buffer,
+ 0, conversion_buffer_size);
+ if (terminal_coding.produced > 0)
{
- /* G has an entry in Vglyph_table,
- so process any alias and then test for simpleness. */
- while (GLYPH_ALIAS_P (tbase, tlen, g))
- g = GLYPH_ALIAS (tbase, g);
- if (GLYPH_SIMPLE_P (tbase, tlen, g))
- goto simple;
- else
- {
- /* Here if G (or its definition as an alias) is not simple. */
- fwrite (GLYPH_STRING (tbase, g), 1, GLYPH_LENGTH (tbase, g),
- stdout);
- if (ferror (stdout))
- clearerr (stdout);
- if (termscript)
- fwrite (GLYPH_STRING (tbase, g), 1, GLYPH_LENGTH (tbase, g),
- termscript);
- }
+ fwrite (conversion_buffer, 1, terminal_coding.produced, stdout);
+ if (ferror (stdout))
+ clearerr (stdout);
+ if (termscript)
+ fwrite (conversion_buffer, 1, terminal_coding.produced,
+ termscript);
}
}
+ cmcheckmagic ();
}
/* If start is zero, insert blanks instead of a string at start */
register int len;
{
char *buf;
- register GLYPH g;
+ 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);
{
buf = tparam (TS_ins_multi_chars, 0, 0, len);
OUTPUT1 (buf);
- free (buf);
+ xfree (buf);
if (start)
write_glyphs (start, len);
return;
turn_on_insert ();
cmplus (len);
- while (--len >= 0)
+ /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */
+ 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++;
-
- if (GLYPH_SIMPLE_P (tbase, tlen, g))
{
- putc (g & 0xff, stdout);
- if (ferror (stdout))
- clearerr (stdout);
- if (termscript)
- putc (g & 0xff, termscript);
+ g = *start++;
+ /* We must open sufficient space for a character which
+ occupies more than one column. */
+ while (*start & GLYPH_MASK_PADDING)
+ {
+ OUTPUT1_IF (TS_ins_char);
+ start++, len--;
+ }
}
- else
+
+ if (len <= 0)
+ /* This is the last glyph. */
+ terminal_coding.mode |= CODING_MODE_LAST_BLOCK;
+
+ /* We use shared conversion buffer of the current size (1024
+ bytes at least). It is surely sufficient for just one glyph. */
+ produced = encode_terminal_code (&g, conversion_buffer,
+ 1, conversion_buffer_size, &consumed);
+ if (produced > 0)
{
- fwrite (GLYPH_STRING (tbase, g), 1, GLYPH_LENGTH (tbase, g), stdout);
+ fwrite (conversion_buffer, 1, produced, stdout);
if (ferror (stdout))
clearerr (stdout);
if (termscript)
- fwrite (GLYPH_STRING (tbase, g), 1, GLYPH_LENGTH (tbase, g),
- termscript);
+ fwrite (conversion_buffer, 1, produced, termscript);
}
- OUTPUT1_IF (TS_pad_inserted_char);
- }
+ OUTPUT1_IF (TS_pad_inserted_char);
+ }
+ cmcheckmagic ();
}
delete_glyphs (n)
{
buf = tparam (TS_del_multi_chars, 0, 0, n);
OUTPUT1 (buf);
- free (buf);
+ xfree (buf);
}
else
for (i = 0; i < n; i++)
background_highlight ();
buf = tparam (multi, 0, 0, i);
OUTPUT (buf);
- free (buf);
+ xfree (buf);
}
else if (single)
{
#ifndef old
/* char_ins_del_cost[n] is cost of inserting N characters.
- char_ins_del_cost[-n] is cost of deleting N characters. */
+ char_ins_del_cost[-n] is cost of deleting N characters.
+ The length of this vector is based on max_frame_width. */
int *char_ins_del_vector;
/* Delete costs are at negative offsets */
p = &char_ins_del_cost (frame)[0];
- for (i = FRAME_WIDTH (selected_frame); --i >= 0;)
+ for (i = FRAME_WIDTH (frame); --i >= 0;)
*--p = (del_startup_cost += del_cost_per_char);
/* Doing nothing is free */
*p++ = (ins_startup_cost += ins_cost_per_char);
}
-#ifdef HAVE_X_WINDOWS
-extern int x_screen_planes;
-#endif
+extern do_line_insertion_deletion_costs ();
calculate_costs (frame)
FRAME_PTR frame;
{
- register char *f = TS_set_scroll_region ?
- TS_set_scroll_region
- : TS_set_scroll_region_1;
+ register char *f = (TS_set_scroll_region
+ ? TS_set_scroll_region
+ : TS_set_scroll_region_1);
- if (dont_calculate_costs)
- return;
+ 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);
+ 0, 0,
+ x_screen_planes (frame));
+ scroll_region_cost = 0;
return;
}
#endif
chars_wasted and copybuf are only used here in term.c in cases where
the term hook isn't called. */
+ 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, FRAME_HEIGHT (frame));
+ chars_wasted = (char *) xrealloc (chars_wasted, max_frame_height);
else
- chars_wasted = (char *) xmalloc (FRAME_HEIGHT (frame));
+ chars_wasted = (char *) xmalloc (max_frame_height);
if (copybuf != 0)
- copybuf = (char *) xrealloc (copybuf, FRAME_HEIGHT (frame));
+ copybuf = (char *) xrealloc (copybuf, max_frame_height);
else
- copybuf = (char *) xmalloc (FRAME_HEIGHT (frame));
+ 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 * FRAME_WIDTH (frame) * sizeof (int)));
+ + 2 * max_frame_width * sizeof (int)));
else
char_ins_del_vector
= (int *) xmalloc (sizeof (int)
- + 2 * FRAME_WIDTH (frame) * sizeof (int));
+ + 2 * max_frame_width * sizeof (int));
- bzero (chars_wasted, FRAME_HEIGHT (frame));
- bzero (copybuf, FRAME_HEIGHT (frame));
+ bzero (chars_wasted, max_frame_height);
+ bzero (copybuf, max_frame_height);
bzero (char_ins_del_vector, (sizeof (int)
- + 2 * FRAME_WIDTH (frame) * sizeof (int)));
+ + 2 * max_frame_width * sizeof (int)));
if (f && (!TS_ins_line && !TS_del_line))
do_line_insertion_deletion_costs (frame,
cmcostinit (); /* set up cursor motion costs */
}
\f
+struct fkey_table {
+ char *cap, *name;
+};
+
+ /* Termcap capability names that correspond directly to X keysyms.
+ Some of these (marked "terminfo") aren't supplied by old-style
+ (Berkeley) termcap entries. They're listed in X keysym order;
+ except we put the keypad keys first, so that if they clash with
+ other keys (as on the IBM PC keyboard) they get overridden.
+ */
+
+static struct fkey_table keys[] = {
+ "kh", "home", /* termcap */
+ "kl", "left", /* termcap */
+ "ku", "up", /* termcap */
+ "kr", "right", /* termcap */
+ "kd", "down", /* termcap */
+ "%8", "prior", /* terminfo */
+ "%5", "next", /* terminfo */
+ "@7", "end", /* terminfo */
+ "@1", "begin", /* terminfo */
+ "*6", "select", /* terminfo */
+ "%9", "print", /* terminfo */
+ "@4", "execute", /* terminfo --- actually the `command' key */
+ /*
+ * "insert" --- see below
+ */
+ "&8", "undo", /* terminfo */
+ "%0", "redo", /* terminfo */
+ "%7", "menu", /* terminfo --- actually the `options' key */
+ "@0", "find", /* terminfo */
+ "@2", "cancel", /* terminfo */
+ "%1", "help", /* terminfo */
+ /*
+ * "break" goes here, but can't be reliably intercepted with termcap
+ */
+ "&4", "reset", /* terminfo --- actually `restart' */
+ /*
+ * "system" and "user" --- no termcaps
+ */
+ "kE", "clearline", /* terminfo */
+ "kA", "insertline", /* terminfo */
+ "kL", "deleteline", /* terminfo */
+ "kI", "insertchar", /* terminfo */
+ "kD", "deletechar", /* terminfo */
+ "kB", "backtab", /* terminfo */
+ /*
+ * "kp_backtab", "kp-space", "kp-tab" --- no termcaps
+ */
+ "@8", "kp-enter", /* terminfo */
+ /*
+ * "kp-f1", "kp-f2", "kp-f3" "kp-f4",
+ * "kp-multiply", "kp-add", "kp-separator",
+ * "kp-subtract", "kp-decimal", "kp-divide", "kp-0";
+ * --- no termcaps for any of these.
+ */
+ "K4", "kp-1", /* terminfo */
+ /*
+ * "kp-2" --- no termcap
+ */
+ "K5", "kp-3", /* terminfo */
+ /*
+ * "kp-4" --- no termcap
+ */
+ "K2", "kp-5", /* terminfo */
+ /*
+ * "kp-6" --- no termcap
+ */
+ "K1", "kp-7", /* terminfo */
+ /*
+ * "kp-8" --- no termcap
+ */
+ "K3", "kp-9", /* terminfo */
+ /*
+ * "kp-equal" --- no termcap
+ */
+ "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 ();
+
/* Find the escape codes sent by the function keys for Vfunction_key_map.
This function scans the termcap function key sequence entries, and
adds entries to Vfunction_key_map for each function key it finds. */
term_get_fkeys (address)
char **address;
{
- extern char *tgetstr ();
- struct fkey_table {
- char *cap, *name;
- };
- static struct fkey_table keys[] = {
- "kl", "left",
- "kr", "right",
- "ku", "up",
- "kd", "down",
- "kh", "home",
- "k1", "f1",
- "k2", "f2",
- "k3", "f3",
- "k4", "f4",
- "k5", "f5",
- "k6", "f6",
- "k7", "f7",
- "k8", "f8",
- "k9", "f9",
- "k0", "f10",
- "kH", "home-down",
- "ka", "clear-tabs",
- "kt", "clear-tab",
- "kT", "set-tab",
- "kC", "clear",
- "kL", "deleteline",
- "kM", "exit-insert",
- "kE", "clear-eol",
- "kS", "clear-eos",
- "kI", "insert",
- "kA", "insertline",
- "kN", "next",
- "kP", "prior",
- "kF", "scroll-forward",
- "kR", "scroll-reverse"
- };
+ /* 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
+ when given a key sequence containing an invalid prefix key. If the
+ termcap defines function keys which use a prefix that is already bound
+ to a command by the default bindings, we should silently ignore that
+ function key specification, rather than giving the user an error and
+ refusing to run at all on such a terminal. */
+
+ 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;
+
+ /* This can happen if CANNOT_DUMP or with strange options. */
+ 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)));
+ Fdefine_key (Vfunction_key_map, build_string (sequence),
+ Fmake_vector (make_number (1),
+ intern (keys[i].name)));
}
+
+ /* The uses of the "k0" capability are inconsistent; sometimes it
+ describes F10, whereas othertimes it describes F0 and "k;" describes F10.
+ We will attempt to politely accommodate both systems by testing for
+ "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10.
+ */
+ {
+ 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)));
+ }
+
+ /* Set up cookies for numbered function keys above f10. */
+ {
+ 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)));
+ }
+ }
+ }
+ }
+
+ /*
+ * Various mappings to try and get a better fit.
+ */
+ {
+#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))); \
+ }
+
+ /* if there's no key_next keycap, map key_npage to `next' keysym */
+ CONDITIONAL_REASSIGN ("%5", "kN", "next");
+ /* if there's no key_prev keycap, map key_ppage to `previous' keysym */
+ CONDITIONAL_REASSIGN ("%8", "kP", "prior");
+ /* if there's no key_dc keycap, map key_ic to `insert' keysym */
+ CONDITIONAL_REASSIGN ("kD", "kI", "insert");
+ /* if there's no key_end keycap, map key_ll to 'end' keysym */
+ CONDITIONAL_REASSIGN ("@7", "kH", "end");
+
+ /* IBM has their own non-standard dialect of terminfo.
+ If the standard name isn't found, try the IBM name. */
+ CONDITIONAL_REASSIGN ("kB", "KO", "backtab");
+ CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */
+ CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */
+ 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
+ }
}
\f
register char *p;
int status;
- extern char *tgetstr ();
+#ifdef WINDOWSNT
+ initialize_w32_display ();
+
+ Wcm_clear ();
+
+ area = (char *) malloc (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;
+
+ /* Seems to insert lines when it's not supposed to, messing
+ up the 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. */
+
+ 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;
+#endif /* WINDOWSNT */
Wcm_clear ();
- dont_calculate_costs = 0;
status = tgetent (buffer, terminal_type);
if (status < 0)
- fatal ("Cannot open termcap database file.\n");
+ {
+#ifdef TERMINFO
+ fatal ("Cannot open terminfo database file");
+#else
+ fatal ("Cannot open termcap database file");
+#endif
+ }
if (status == 0)
- fatal ("Terminal type %s is not defined.\n", terminal_type);
-
+ {
+#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 *) malloc (2044);
#else
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);
MultiLeft = tgetstr ("LE", address);
MultiRight = tgetstr ("RI", address);
- AutoWrap = tgetflag ("am");
+ MagicWrap = tgetflag ("xn");
+ /* Since we make MagicWrap terminals look like AutoWrap, we need to have
+ the former flag imply the latter. */
+ AutoWrap = MagicWrap || tgetflag ("am");
memory_below_frame = tgetflag ("db");
TF_hazeltine = tgetflag ("hz");
must_write_spaces = tgetflag ("in");
TF_insmode_motion = tgetflag ("mi");
TF_standout_motion = tgetflag ("ms");
TF_underscore = tgetflag ("ul");
- MagicWrap = tgetflag ("xn");
TF_xs = tgetflag ("xs");
TF_teleray = tgetflag ("xt");
term_get_fkeys (address);
/* Get frame size from system, or else from termcap. */
- get_frame_size (&FRAME_WIDTH (selected_frame),
- &FRAME_HEIGHT (selected_frame));
+ {
+ int height, width;
+ get_frame_size (&width, &height);
+ FRAME_WIDTH (selected_frame) = width;
+ FRAME_HEIGHT (selected_frame) = height;
+ }
+
if (FRAME_WIDTH (selected_frame) <= 0)
- FRAME_WIDTH (selected_frame) = tgetnum ("co");
+ SET_FRAME_WIDTH (selected_frame, tgetnum ("co"));
+ else
+ /* Keep width and external_width consistent */
+ 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");
TS_standout_mode = tgetstr ("us", address);
}
+ /* If no `se' string, try using a `me' string instead.
+ If that fails, we can't use standout mode at all. */
+ 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;
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.\n",
+or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.",
terminal_type);
-#else
+#else /* not VMS */
+# 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 C-shell command `setenv TERM ...' to specify the correct type.\n\
-It may be necessary to do `unsetenv TERMCAP' as well.\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);
-#endif
+# else /* TERMCAP */
+ 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 /* TERMINFO */
+#endif /*VMS */
if (FRAME_HEIGHT (selected_frame) <= 0
|| FRAME_WIDTH (selected_frame) <= 0)
- fatal ("The frame size has not been specified.");
+ fatal ("The frame size has not been specified");
delete_in_insert_mode
= TS_delete_mode && TS_insert_mode
/* Remove width of standout marker from usable width of line */
if (TN_standout_width > 0)
- FRAME_WIDTH (selected_frame) -= TN_standout_width;
+ SET_FRAME_WIDTH (selected_frame,
+ FRAME_WIDTH (selected_frame) - TN_standout_width);
UseTabs = tabs_safe_p () && TabWidth == 8;
if (read_socket_hook) /* Baudrate is somewhat */
/* meaningless in this case */
baud_rate = 9600;
+
+ FRAME_CAN_HAVE_SCROLL_BARS (selected_frame) = 0;
+ FRAME_VERTICAL_SCROLL_BAR_TYPE (selected_frame) = vertical_scroll_bar_none;
}
/* VARARGS 1 */
{
fprintf (stderr, "emacs: ");
fprintf (stderr, str, arg1, arg2);
+ fprintf (stderr, "\n");
fflush (stderr);
exit (1);
}
+
+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;
+}
HCoop / bpt / emacs.git / blobdiff