/* terminal control module for terminals described by TERMCAP
- Copyright (C) 1985, 1986, 1987, 1992, 1993 Free Software Foundation, Inc.
+ Copyright (C) 1985, 1986, 1987, 1993, 1994 Free Software Foundation, Inc.
This file is part of GNU Emacs.
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+#include <config.h>
#include <stdio.h>
#include <ctype.h>
-#include "config.h"
#include "termchar.h"
#include "termopts.h"
#include "cm.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_IF(a) { if (a) tputs (a, 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.
+/* 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) ();
+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
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 (! FRAME_TERMCAP_P (selected_frame))
buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_WIDTH (selected_frame));
}
OUTPUT (buf);
- free (buf);
+ xfree (buf);
losecursor ();
}
\f
{
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;
{
buf = tparam (TS_ins_multi_chars, 0, 0, len);
OUTPUT1 (buf);
- free (buf);
+ xfree (buf);
if (start)
write_glyphs (start, len);
return;
{
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)
{
*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
"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 ();
+ /* 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 accomodate both systems by testing for
+ We will attempt to politely accommodate both systems by testing for
"k;", and if it is present, assuming that "k0" denotes F0, otherwise F10.
*/
{
if (k_semi)
{
- Fdefine_key (Vfunction_key_map,
- build_string (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),
+ Fdefine_key (Vfunction_key_map, build_string (k0),
Fmake_vector (make_number (1), intern (k0_name)));
}
{
char fcap[3], fkey[4];
- fcap[0] = 'k'; fcap[2] = '\0';
+ fcap[0] = 'F'; fcap[2] = '\0';
for (i = 11; i < 64; i++)
{
if (i <= 19)
else
fcap[1] = 'a' + i - 11;
- if (tgetstr(fcap))
- {
- (void) sprintf(fkey, "f%d", i);
- Fdefine_key (Vfunction_key_map,
- build_string (fcap),
- Fmake_vector (make_number (1), intern (fkey)));
- }
+ {
+ 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) && tgetstr(cap2)) \
- Fdefine_key (Vfunction_key_map, \
- build_string (cap2), \
- Fmake_vector (make_number (1), intern (sym)))
+#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");
+ CONDITIONAL_REASSIGN ("%5", "kN", "next");
/* if there's no key_prev keycap, map key_ppage to `previous' keysym */
- CONDITIONAL_REASSIGN("%8", "kP", "previous");
+ CONDITIONAL_REASSIGN ("%8", "kP", "prior");
/* if there's no key_dc keycap, map key_ic to `insert' keysym */
- CONDITIONAL_REASSIGN("kD", "kI", "insert");
+ CONDITIONAL_REASSIGN ("kD", "kI", "insert");
+
+ /* 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
}
}
register char *p;
int status;
- extern char *tgetstr ();
+#ifdef WINDOWSNT
+ initialize_win_nt_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_HAS_VERTICAL_SCROLL_BARS (selected_frame) = 0;
+
+ return;
+#endif /* WINDOWSNT */
Wcm_clear ();
- dont_calculate_costs = 0;
status = tgetent (buffer, terminal_type);
if (status < 0)
fatal ("Cannot open termcap database file.\n");
if (status == 0)
- fatal ("Terminal type %s is not defined.\n", terminal_type);
+ 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.\n",
+ terminal_type);
#ifdef TERMINFO
area = (char *) malloc (2044);
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.\n",
+ FRAME_HEIGHT (selected_frame), FRAME_WIDTH (selected_frame));
+
min_padding_speed = tgetnum ("pb");
TN_standout_width = tgetnum ("sg");
TabWidth = tgetnum ("tw");
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;
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 TERMCAP' (C-shell: `unsetenv TERMCAP') as well.\n",
terminal_type);
#endif
if (FRAME_HEIGHT (selected_frame) <= 0
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
+}
HCoop / bpt / emacs.git / blobdiff