xref: /vim-8.2.3635/src/term.c (revision 00a927d6)
1 /* vi:set ts=8 sts=4 sw=4:
2  *
3  * VIM - Vi IMproved	by Bram Moolenaar
4  *
5  * Do ":help uganda"  in Vim to read copying and usage conditions.
6  * Do ":help credits" in Vim to see a list of people who contributed.
7  * See README.txt for an overview of the Vim source code.
8  */
9 /*
10  *
11  * term.c: functions for controlling the terminal
12  *
13  * primitive termcap support for Amiga, MSDOS, and Win32 included
14  *
15  * NOTE: padding and variable substitution is not performed,
16  * when compiling without HAVE_TGETENT, we use tputs() and tgoto() dummies.
17  */
18 
19 /*
20  * Some systems have a prototype for tgetstr() with (char *) instead of
21  * (char **). This define removes that prototype. We include our own prototype
22  * below.
23  */
24 
25 #define tgetstr tgetstr_defined_wrong
26 #include "vim.h"
27 
28 #ifdef HAVE_TGETENT
29 # ifdef HAVE_TERMIOS_H
30 #  include <termios.h>	    /* seems to be required for some Linux */
31 # endif
32 # ifdef HAVE_TERMCAP_H
33 #  include <termcap.h>
34 # endif
35 
36 /*
37  * A few linux systems define outfuntype in termcap.h to be used as the third
38  * argument for tputs().
39  */
40 # ifdef VMS
41 #  define TPUTSFUNCAST
42 # else
43 #  ifdef HAVE_OUTFUNTYPE
44 #   define TPUTSFUNCAST (outfuntype)
45 #  else
46 #   define TPUTSFUNCAST (int (*)())
47 #  endif
48 # endif
49 #endif
50 
51 #undef tgetstr
52 
53 /*
54  * Here are the builtin termcap entries.  They are not stored as complete
55  * Tcarr structures, as such a structure is too big.
56  *
57  * The entries are compact, therefore they normally are included even when
58  * HAVE_TGETENT is defined. When HAVE_TGETENT is defined, the builtin entries
59  * can be accessed with "builtin_amiga", "builtin_ansi", "builtin_debug", etc.
60  *
61  * Each termcap is a list of builtin_term structures. It always starts with
62  * KS_NAME, which separates the entries.  See parse_builtin_tcap() for all
63  * details.
64  * bt_entry is either a KS_xxx code (>= 0), or a K_xxx code.
65  *
66  * Entries marked with "guessed" may be wrong.
67  */
68 struct builtin_term
69 {
70     int		bt_entry;
71     char	*bt_string;
72 };
73 
74 /* start of keys that are not directly used by Vim but can be mapped */
75 #define BT_EXTRA_KEYS	0x101
76 
77 static struct builtin_term *find_builtin_term __ARGS((char_u *name));
78 static void parse_builtin_tcap __ARGS((char_u *s));
79 static void term_color __ARGS((char_u *s, int n));
80 static void gather_termleader __ARGS((void));
81 #ifdef FEAT_TERMRESPONSE
82 static void req_codes_from_term __ARGS((void));
83 static void req_more_codes_from_term __ARGS((void));
84 static void got_code_from_term __ARGS((char_u *code, int len));
85 static void check_for_codes_from_term __ARGS((void));
86 #endif
87 #if defined(FEAT_GUI) \
88     || (defined(FEAT_MOUSE) && (!defined(UNIX) || defined(FEAT_MOUSE_XTERM) \
89 		|| defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)))
90 static int get_bytes_from_buf __ARGS((char_u *, char_u *, int));
91 #endif
92 static void del_termcode_idx __ARGS((int idx));
93 static int term_is_builtin __ARGS((char_u *name));
94 static int term_7to8bit __ARGS((char_u *p));
95 #ifdef FEAT_TERMRESPONSE
96 static void switch_to_8bit __ARGS((void));
97 #endif
98 
99 #ifdef HAVE_TGETENT
100 static char_u *tgetent_error __ARGS((char_u *, char_u *));
101 
102 /*
103  * Here is our own prototype for tgetstr(), any prototypes from the include
104  * files have been disabled by the define at the start of this file.
105  */
106 char		*tgetstr __ARGS((char *, char **));
107 
108 # ifdef FEAT_TERMRESPONSE
109 /* Request Terminal Version status: */
110 #  define CRV_GET	1	/* send T_CRV when switched to RAW mode */
111 #  define CRV_SENT	2	/* did send T_CRV, waiting for answer */
112 #  define CRV_GOT	3	/* received T_CRV response */
113 static int crv_status = CRV_GET;
114 # endif
115 
116 /*
117  * Don't declare these variables if termcap.h contains them.
118  * Autoconf checks if these variables should be declared extern (not all
119  * systems have them).
120  * Some versions define ospeed to be speed_t, but that is incompatible with
121  * BSD, where ospeed is short and speed_t is long.
122  */
123 # ifndef HAVE_OSPEED
124 #  ifdef OSPEED_EXTERN
125 extern short ospeed;
126 #   else
127 short ospeed;
128 #   endif
129 # endif
130 # ifndef HAVE_UP_BC_PC
131 #  ifdef UP_BC_PC_EXTERN
132 extern char *UP, *BC, PC;
133 #  else
134 char *UP, *BC, PC;
135 #  endif
136 # endif
137 
138 # define TGETSTR(s, p)	vim_tgetstr((s), (p))
139 # define TGETENT(b, t)	tgetent((char *)(b), (char *)(t))
140 static char_u *vim_tgetstr __ARGS((char *s, char_u **pp));
141 #endif /* HAVE_TGETENT */
142 
143 static int  detected_8bit = FALSE;	/* detected 8-bit terminal */
144 
145 static struct builtin_term builtin_termcaps[] =
146 {
147 
148 #if defined(FEAT_GUI)
149 /*
150  * GUI pseudo term-cap.
151  */
152     {(int)KS_NAME,	"gui"},
153     {(int)KS_CE,	IF_EB("\033|$", ESC_STR "|$")},
154     {(int)KS_AL,	IF_EB("\033|i", ESC_STR "|i")},
155 # ifdef TERMINFO
156     {(int)KS_CAL,	IF_EB("\033|%p1%dI", ESC_STR "|%p1%dI")},
157 # else
158     {(int)KS_CAL,	IF_EB("\033|%dI", ESC_STR "|%dI")},
159 # endif
160     {(int)KS_DL,	IF_EB("\033|d", ESC_STR "|d")},
161 # ifdef TERMINFO
162     {(int)KS_CDL,	IF_EB("\033|%p1%dD", ESC_STR "|%p1%dD")},
163     {(int)KS_CS,	IF_EB("\033|%p1%d;%p2%dR", ESC_STR "|%p1%d;%p2%dR")},
164 #  ifdef FEAT_VERTSPLIT
165     {(int)KS_CSV,	IF_EB("\033|%p1%d;%p2%dV", ESC_STR "|%p1%d;%p2%dV")},
166 #  endif
167 # else
168     {(int)KS_CDL,	IF_EB("\033|%dD", ESC_STR "|%dD")},
169     {(int)KS_CS,	IF_EB("\033|%d;%dR", ESC_STR "|%d;%dR")},
170 #  ifdef FEAT_VERTSPLIT
171     {(int)KS_CSV,	IF_EB("\033|%d;%dV", ESC_STR "|%d;%dV")},
172 #  endif
173 # endif
174     {(int)KS_CL,	IF_EB("\033|C", ESC_STR "|C")},
175 			/* attributes switched on with 'h', off with * 'H' */
176     {(int)KS_ME,	IF_EB("\033|31H", ESC_STR "|31H")}, /* HL_ALL */
177     {(int)KS_MR,	IF_EB("\033|1h", ESC_STR "|1h")},   /* HL_INVERSE */
178     {(int)KS_MD,	IF_EB("\033|2h", ESC_STR "|2h")},   /* HL_BOLD */
179     {(int)KS_SE,	IF_EB("\033|16H", ESC_STR "|16H")}, /* HL_STANDOUT */
180     {(int)KS_SO,	IF_EB("\033|16h", ESC_STR "|16h")}, /* HL_STANDOUT */
181     {(int)KS_UE,	IF_EB("\033|8H", ESC_STR "|8H")},   /* HL_UNDERLINE */
182     {(int)KS_US,	IF_EB("\033|8h", ESC_STR "|8h")},   /* HL_UNDERLINE */
183     {(int)KS_UCE,	IF_EB("\033|8C", ESC_STR "|8C")},   /* HL_UNDERCURL */
184     {(int)KS_UCS,	IF_EB("\033|8c", ESC_STR "|8c")},   /* HL_UNDERCURL */
185     {(int)KS_CZR,	IF_EB("\033|4H", ESC_STR "|4H")},   /* HL_ITALIC */
186     {(int)KS_CZH,	IF_EB("\033|4h", ESC_STR "|4h")},   /* HL_ITALIC */
187     {(int)KS_VB,	IF_EB("\033|f", ESC_STR "|f")},
188     {(int)KS_MS,	"y"},
189     {(int)KS_UT,	"y"},
190     {(int)KS_LE,	"\b"},		/* cursor-left = BS */
191     {(int)KS_ND,	"\014"},	/* cursor-right = CTRL-L */
192 # ifdef TERMINFO
193     {(int)KS_CM,	IF_EB("\033|%p1%d;%p2%dM", ESC_STR "|%p1%d;%p2%dM")},
194 # else
195     {(int)KS_CM,	IF_EB("\033|%d;%dM", ESC_STR "|%d;%dM")},
196 # endif
197 	/* there are no key sequences here, the GUI sequences are recognized
198 	 * in check_termcode() */
199 #endif
200 
201 #ifndef NO_BUILTIN_TCAPS
202 # if defined(RISCOS) || defined(ALL_BUILTIN_TCAPS)
203 /*
204  * Default for the Acorn.
205  */
206     {(int)KS_NAME,	"riscos"},
207     {(int)KS_CL,	"\014"},		/* Cls and Home Cursor */
208     {(int)KS_CM,	"\001%d\001%d\002"},	/* Position cursor */
209 
210     {(int)KS_CCO,	"16"},			/* Allow 16 colors */
211 
212     {(int)KS_CAF,	"\001%d\021"},		/* Set foreground colour */
213     {(int)KS_CAB,	"\001%d\022"},		/* Set background colour */
214 
215 
216     {(int)KS_ME,	"\004"},		/* Normal mode */
217     {(int)KS_MR,	"\005"},		/* Reverse */
218 
219     {(int)KS_VI,	"\016"},		/* Cursor invisible */
220     {(int)KS_VE,	"\017"},		/* Cursor visible */
221     {(int)KS_VS,	"\020"},		/* Cursor very visible */
222 
223     {(int)KS_CS,	"\001%d\001%d\003"},	/* Set scroll region */
224     {(int)KS_SR,	"\023"},		/* Scroll text down */
225     {K_UP,		"\217"},
226     {K_DOWN,		"\216"},
227     {K_LEFT,		"\214"},
228     {K_RIGHT,		"\215"},
229     {K_S_UP,		"\237"},
230     {K_S_DOWN,		"\236"},
231     {K_S_LEFT,		"\234"},
232     {K_S_RIGHT,		"\235"},
233 
234     {K_F1,		"\201"},
235     {K_F2,		"\202"},
236     {K_F3,		"\203"},
237     {K_F4,		"\204"},
238     {K_F5,		"\205"},
239     {K_F6,		"\206"},
240     {K_F7,		"\207"},
241     {K_F8,		"\210"},
242     {K_F9,		"\211"},
243     {K_F10,		"\312"},
244     {K_F11,		"\313"},
245     {K_F12,		"\314"},
246     {K_S_F1,		"\221"},
247     {K_S_F2,		"\222"},
248     {K_S_F3,		"\223"},
249     {K_S_F4,		"\224"},
250     {K_S_F5,		"\225"},
251     {K_S_F6,		"\226"},
252     {K_S_F7,		"\227"},
253     {K_S_F8,		"\230"},
254     {K_S_F9,		"\231"},
255     {K_S_F10,		"\332"},
256     {K_S_F11,		"\333"},
257     {K_S_F12,		"\334"},
258     {K_BS,		"\010"},
259     {K_INS,		"\315"},
260     {K_DEL,		"\177"},
261     {K_HOME,		"\036"},
262     {K_END,		"\213"},
263     {K_PAGEUP,		"\237"},
264     {K_PAGEDOWN,	"\236"},
265 # endif	/* Acorn terminal */
266 
267 
268 # if defined(AMIGA) || defined(ALL_BUILTIN_TCAPS)
269 /*
270  * Amiga console window, default for Amiga
271  */
272     {(int)KS_NAME,	"amiga"},
273     {(int)KS_CE,	"\033[K"},
274     {(int)KS_CD,	"\033[J"},
275     {(int)KS_AL,	"\033[L"},
276 #  ifdef TERMINFO
277     {(int)KS_CAL,	"\033[%p1%dL"},
278 #  else
279     {(int)KS_CAL,	"\033[%dL"},
280 #  endif
281     {(int)KS_DL,	"\033[M"},
282 #  ifdef TERMINFO
283     {(int)KS_CDL,	"\033[%p1%dM"},
284 #  else
285     {(int)KS_CDL,	"\033[%dM"},
286 #  endif
287     {(int)KS_CL,	"\014"},
288     {(int)KS_VI,	"\033[0 p"},
289     {(int)KS_VE,	"\033[1 p"},
290     {(int)KS_ME,	"\033[0m"},
291     {(int)KS_MR,	"\033[7m"},
292     {(int)KS_MD,	"\033[1m"},
293     {(int)KS_SE,	"\033[0m"},
294     {(int)KS_SO,	"\033[33m"},
295     {(int)KS_US,	"\033[4m"},
296     {(int)KS_UE,	"\033[0m"},
297     {(int)KS_CZH,	"\033[3m"},
298     {(int)KS_CZR,	"\033[0m"},
299 #if defined(__MORPHOS__) || defined(__AROS__)
300     {(int)KS_CCO,	"8"},		/* allow 8 colors */
301 #  ifdef TERMINFO
302     {(int)KS_CAB,	"\033[4%p1%dm"},/* set background color */
303     {(int)KS_CAF,	"\033[3%p1%dm"},/* set foreground color */
304 #  else
305     {(int)KS_CAB,	"\033[4%dm"},	/* set background color */
306     {(int)KS_CAF,	"\033[3%dm"},	/* set foreground color */
307 #  endif
308     {(int)KS_OP,	"\033[m"},	/* reset colors */
309 #endif
310     {(int)KS_MS,	"y"},
311     {(int)KS_UT,	"y"},		/* guessed */
312     {(int)KS_LE,	"\b"},
313 #  ifdef TERMINFO
314     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
315 #  else
316     {(int)KS_CM,	"\033[%i%d;%dH"},
317 #  endif
318 #if defined(__MORPHOS__)
319     {(int)KS_SR,	"\033M"},
320 #endif
321 #  ifdef TERMINFO
322     {(int)KS_CRI,	"\033[%p1%dC"},
323 #  else
324     {(int)KS_CRI,	"\033[%dC"},
325 #  endif
326     {K_UP,		"\233A"},
327     {K_DOWN,		"\233B"},
328     {K_LEFT,		"\233D"},
329     {K_RIGHT,		"\233C"},
330     {K_S_UP,		"\233T"},
331     {K_S_DOWN,		"\233S"},
332     {K_S_LEFT,		"\233 A"},
333     {K_S_RIGHT,		"\233 @"},
334     {K_S_TAB,		"\233Z"},
335     {K_F1,		"\233\060~"},/* some compilers don't dig "\2330" */
336     {K_F2,		"\233\061~"},
337     {K_F3,		"\233\062~"},
338     {K_F4,		"\233\063~"},
339     {K_F5,		"\233\064~"},
340     {K_F6,		"\233\065~"},
341     {K_F7,		"\233\066~"},
342     {K_F8,		"\233\067~"},
343     {K_F9,		"\233\070~"},
344     {K_F10,		"\233\071~"},
345     {K_S_F1,		"\233\061\060~"},
346     {K_S_F2,		"\233\061\061~"},
347     {K_S_F3,		"\233\061\062~"},
348     {K_S_F4,		"\233\061\063~"},
349     {K_S_F5,		"\233\061\064~"},
350     {K_S_F6,		"\233\061\065~"},
351     {K_S_F7,		"\233\061\066~"},
352     {K_S_F8,		"\233\061\067~"},
353     {K_S_F9,		"\233\061\070~"},
354     {K_S_F10,		"\233\061\071~"},
355     {K_HELP,		"\233?~"},
356     {K_INS,		"\233\064\060~"},	/* 101 key keyboard */
357     {K_PAGEUP,		"\233\064\061~"},	/* 101 key keyboard */
358     {K_PAGEDOWN,	"\233\064\062~"},	/* 101 key keyboard */
359     {K_HOME,		"\233\064\064~"},	/* 101 key keyboard */
360     {K_END,		"\233\064\065~"},	/* 101 key keyboard */
361 
362     {BT_EXTRA_KEYS,	""},
363     {TERMCAP2KEY('#', '2'), "\233\065\064~"},	/* shifted home key */
364     {TERMCAP2KEY('#', '3'), "\233\065\060~"},	/* shifted insert key */
365     {TERMCAP2KEY('*', '7'), "\233\065\065~"},	/* shifted end key */
366 # endif
367 
368 # if defined(__BEOS__) || defined(ALL_BUILTIN_TCAPS)
369 /*
370  * almost standard ANSI terminal, default for bebox
371  */
372     {(int)KS_NAME,	"beos-ansi"},
373     {(int)KS_CE,	"\033[K"},
374     {(int)KS_CD,	"\033[J"},
375     {(int)KS_AL,	"\033[L"},
376 #  ifdef TERMINFO
377     {(int)KS_CAL,	"\033[%p1%dL"},
378 #  else
379     {(int)KS_CAL,	"\033[%dL"},
380 #  endif
381     {(int)KS_DL,	"\033[M"},
382 #  ifdef TERMINFO
383     {(int)KS_CDL,	"\033[%p1%dM"},
384 #  else
385     {(int)KS_CDL,	"\033[%dM"},
386 #  endif
387 #ifdef BEOS_PR_OR_BETTER
388 #  ifdef TERMINFO
389     {(int)KS_CS,	"\033[%i%p1%d;%p2%dr"},
390 #  else
391     {(int)KS_CS,	"\033[%i%d;%dr"},	/* scroll region */
392 #  endif
393 #endif
394     {(int)KS_CL,	"\033[H\033[2J"},
395 #ifdef notyet
396     {(int)KS_VI,	"[VI]"}, /* cursor invisible, VT320: CSI ? 25 l */
397     {(int)KS_VE,	"[VE]"}, /* cursor visible, VT320: CSI ? 25 h */
398 #endif
399     {(int)KS_ME,	"\033[m"},	/* normal mode */
400     {(int)KS_MR,	"\033[7m"},	/* reverse */
401     {(int)KS_MD,	"\033[1m"},	/* bold */
402     {(int)KS_SO,	"\033[31m"},	/* standout mode: red */
403     {(int)KS_SE,	"\033[m"},	/* standout end */
404     {(int)KS_CZH,	"\033[35m"},	/* italic: purple */
405     {(int)KS_CZR,	"\033[m"},	/* italic end */
406     {(int)KS_US,	"\033[4m"},	/* underscore mode */
407     {(int)KS_UE,	"\033[m"},	/* underscore end */
408     {(int)KS_CCO,	"8"},		/* allow 8 colors */
409 #  ifdef TERMINFO
410     {(int)KS_CAB,	"\033[4%p1%dm"},/* set background color */
411     {(int)KS_CAF,	"\033[3%p1%dm"},/* set foreground color */
412 #  else
413     {(int)KS_CAB,	"\033[4%dm"},	/* set background color */
414     {(int)KS_CAF,	"\033[3%dm"},	/* set foreground color */
415 #  endif
416     {(int)KS_OP,	"\033[m"},	/* reset colors */
417     {(int)KS_MS,	"y"},		/* safe to move cur in reverse mode */
418     {(int)KS_UT,	"y"},		/* guessed */
419     {(int)KS_LE,	"\b"},
420 #  ifdef TERMINFO
421     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
422 #  else
423     {(int)KS_CM,	"\033[%i%d;%dH"},
424 #  endif
425     {(int)KS_SR,	"\033M"},
426 #  ifdef TERMINFO
427     {(int)KS_CRI,	"\033[%p1%dC"},
428 #  else
429     {(int)KS_CRI,	"\033[%dC"},
430 #  endif
431 #if defined(BEOS_DR8)
432     {(int)KS_DB,	""},		/* hack! see screen.c */
433 #endif
434 
435     {K_UP,		"\033[A"},
436     {K_DOWN,		"\033[B"},
437     {K_LEFT,		"\033[D"},
438     {K_RIGHT,		"\033[C"},
439 # endif
440 
441 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS) || defined(SOME_BUILTIN_TCAPS) || defined(__EMX__)
442 /*
443  * standard ANSI terminal, default for unix
444  */
445     {(int)KS_NAME,	"ansi"},
446     {(int)KS_CE,	IF_EB("\033[K", ESC_STR "[K")},
447     {(int)KS_AL,	IF_EB("\033[L", ESC_STR "[L")},
448 #  ifdef TERMINFO
449     {(int)KS_CAL,	IF_EB("\033[%p1%dL", ESC_STR "[%p1%dL")},
450 #  else
451     {(int)KS_CAL,	IF_EB("\033[%dL", ESC_STR "[%dL")},
452 #  endif
453     {(int)KS_DL,	IF_EB("\033[M", ESC_STR "[M")},
454 #  ifdef TERMINFO
455     {(int)KS_CDL,	IF_EB("\033[%p1%dM", ESC_STR "[%p1%dM")},
456 #  else
457     {(int)KS_CDL,	IF_EB("\033[%dM", ESC_STR "[%dM")},
458 #  endif
459     {(int)KS_CL,	IF_EB("\033[H\033[2J", ESC_STR "[H" ESC_STR_nc "[2J")},
460     {(int)KS_ME,	IF_EB("\033[0m", ESC_STR "[0m")},
461     {(int)KS_MR,	IF_EB("\033[7m", ESC_STR "[7m")},
462     {(int)KS_MS,	"y"},
463     {(int)KS_UT,	"y"},		/* guessed */
464     {(int)KS_LE,	"\b"},
465 #  ifdef TERMINFO
466     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH", ESC_STR "[%i%p1%d;%p2%dH")},
467 #  else
468     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
469 #  endif
470 #  ifdef TERMINFO
471     {(int)KS_CRI,	IF_EB("\033[%p1%dC", ESC_STR "[%p1%dC")},
472 #  else
473     {(int)KS_CRI,	IF_EB("\033[%dC", ESC_STR "[%dC")},
474 #  endif
475 # endif
476 
477 # if defined(MSDOS) || defined(ALL_BUILTIN_TCAPS) || defined(__EMX__)
478 /*
479  * These codes are valid when nansi.sys or equivalent has been installed.
480  * Function keys on a PC are preceded with a NUL. These are converted into
481  * K_NUL '\316' in mch_inchar(), because we cannot handle NULs in key codes.
482  * CTRL-arrow is used instead of SHIFT-arrow.
483  */
484 #ifdef __EMX__
485     {(int)KS_NAME,	"os2ansi"},
486 #else
487     {(int)KS_NAME,	"pcansi"},
488     {(int)KS_DL,	"\033[M"},
489     {(int)KS_AL,	"\033[L"},
490 #endif
491     {(int)KS_CE,	"\033[K"},
492     {(int)KS_CL,	"\033[2J"},
493     {(int)KS_ME,	"\033[0m"},
494     {(int)KS_MR,	"\033[5m"},	/* reverse: black on lightgrey */
495     {(int)KS_MD,	"\033[1m"},	/* bold: white text */
496     {(int)KS_SE,	"\033[0m"},	/* standout end */
497     {(int)KS_SO,	"\033[31m"},	/* standout: white on blue */
498     {(int)KS_CZH,	"\033[34;43m"},	/* italic mode: blue text on yellow */
499     {(int)KS_CZR,	"\033[0m"},	/* italic mode end */
500     {(int)KS_US,	"\033[36;41m"},	/* underscore mode: cyan text on red */
501     {(int)KS_UE,	"\033[0m"},	/* underscore mode end */
502     {(int)KS_CCO,	"8"},		/* allow 8 colors */
503 #  ifdef TERMINFO
504     {(int)KS_CAB,	"\033[4%p1%dm"},/* set background color */
505     {(int)KS_CAF,	"\033[3%p1%dm"},/* set foreground color */
506 #  else
507     {(int)KS_CAB,	"\033[4%dm"},	/* set background color */
508     {(int)KS_CAF,	"\033[3%dm"},	/* set foreground color */
509 #  endif
510     {(int)KS_OP,	"\033[0m"},	/* reset colors */
511     {(int)KS_MS,	"y"},
512     {(int)KS_UT,	"y"},		/* guessed */
513     {(int)KS_LE,	"\b"},
514 #  ifdef TERMINFO
515     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
516 #  else
517     {(int)KS_CM,	"\033[%i%d;%dH"},
518 #  endif
519 #  ifdef TERMINFO
520     {(int)KS_CRI,	"\033[%p1%dC"},
521 #  else
522     {(int)KS_CRI,	"\033[%dC"},
523 #  endif
524     {K_UP,		"\316H"},
525     {K_DOWN,		"\316P"},
526     {K_LEFT,		"\316K"},
527     {K_RIGHT,		"\316M"},
528     {K_S_LEFT,		"\316s"},
529     {K_S_RIGHT,		"\316t"},
530     {K_F1,		"\316;"},
531     {K_F2,		"\316<"},
532     {K_F3,		"\316="},
533     {K_F4,		"\316>"},
534     {K_F5,		"\316?"},
535     {K_F6,		"\316@"},
536     {K_F7,		"\316A"},
537     {K_F8,		"\316B"},
538     {K_F9,		"\316C"},
539     {K_F10,		"\316D"},
540     {K_F11,		"\316\205"},	/* guessed */
541     {K_F12,		"\316\206"},	/* guessed */
542     {K_S_F1,		"\316T"},
543     {K_S_F2,		"\316U"},
544     {K_S_F3,		"\316V"},
545     {K_S_F4,		"\316W"},
546     {K_S_F5,		"\316X"},
547     {K_S_F6,		"\316Y"},
548     {K_S_F7,		"\316Z"},
549     {K_S_F8,		"\316["},
550     {K_S_F9,		"\316\\"},
551     {K_S_F10,		"\316]"},
552     {K_S_F11,		"\316\207"},	/* guessed */
553     {K_S_F12,		"\316\210"},	/* guessed */
554     {K_INS,		"\316R"},
555     {K_DEL,		"\316S"},
556     {K_HOME,		"\316G"},
557     {K_END,		"\316O"},
558     {K_PAGEDOWN,	"\316Q"},
559     {K_PAGEUP,		"\316I"},
560 # endif
561 
562 # if defined(MSDOS)
563 /*
564  * These codes are valid for the pc video.  The entries that start with ESC |
565  * are translated into conio calls in os_msdos.c. Default for MSDOS.
566  */
567     {(int)KS_NAME,	"pcterm"},
568     {(int)KS_CE,	"\033|K"},
569     {(int)KS_AL,	"\033|L"},
570     {(int)KS_DL,	"\033|M"},
571 #  ifdef TERMINFO
572     {(int)KS_CS,	"\033|%i%p1%d;%p2%dr"},
573 #   ifdef FEAT_VERTSPLIT
574     {(int)KS_CSV,	"\033|%i%p1%d;%p2%dV"},
575 #   endif
576 #  else
577     {(int)KS_CS,	"\033|%i%d;%dr"},
578 #   ifdef FEAT_VERTSPLIT
579     {(int)KS_CSV,	"\033|%i%d;%dV"},
580 #   endif
581 #  endif
582     {(int)KS_CL,	"\033|J"},
583     {(int)KS_ME,	"\033|0m"},	/* normal */
584     {(int)KS_MR,	"\033|112m"},	/* reverse: black on lightgrey */
585     {(int)KS_MD,	"\033|15m"},	/* bold: white text */
586     {(int)KS_SE,	"\033|0m"},	/* standout end */
587     {(int)KS_SO,	"\033|31m"},	/* standout: white on blue */
588     {(int)KS_CZH,	"\033|225m"},	/* italic mode: blue text on yellow */
589     {(int)KS_CZR,	"\033|0m"},	/* italic mode end */
590     {(int)KS_US,	"\033|67m"},	/* underscore mode: cyan text on red */
591     {(int)KS_UE,	"\033|0m"},	/* underscore mode end */
592     {(int)KS_CCO,	"16"},		/* allow 16 colors */
593 #  ifdef TERMINFO
594     {(int)KS_CAB,	"\033|%p1%db"},	/* set background color */
595     {(int)KS_CAF,	"\033|%p1%df"},	/* set foreground color */
596 #  else
597     {(int)KS_CAB,	"\033|%db"},	/* set background color */
598     {(int)KS_CAF,	"\033|%df"},	/* set foreground color */
599 #  endif
600     {(int)KS_MS,	"y"},
601     {(int)KS_UT,	"y"},
602     {(int)KS_LE,	"\b"},
603 #  ifdef TERMINFO
604     {(int)KS_CM,	"\033|%i%p1%d;%p2%dH"},
605 #  else
606     {(int)KS_CM,	"\033|%i%d;%dH"},
607 #  endif
608 #ifdef DJGPP
609     {(int)KS_VB,	"\033|B"},	/* visual bell */
610 #endif
611     {K_UP,		"\316H"},
612     {K_DOWN,		"\316P"},
613     {K_LEFT,		"\316K"},
614     {K_RIGHT,		"\316M"},
615     {K_S_LEFT,		"\316s"},
616     {K_S_RIGHT,		"\316t"},
617     {K_S_TAB,		"\316\017"},
618     {K_F1,		"\316;"},
619     {K_F2,		"\316<"},
620     {K_F3,		"\316="},
621     {K_F4,		"\316>"},
622     {K_F5,		"\316?"},
623     {K_F6,		"\316@"},
624     {K_F7,		"\316A"},
625     {K_F8,		"\316B"},
626     {K_F9,		"\316C"},
627     {K_F10,		"\316D"},
628     {K_F11,		"\316\205"},
629     {K_F12,		"\316\206"},
630     {K_S_F1,		"\316T"},
631     {K_S_F2,		"\316U"},
632     {K_S_F3,		"\316V"},
633     {K_S_F4,		"\316W"},
634     {K_S_F5,		"\316X"},
635     {K_S_F6,		"\316Y"},
636     {K_S_F7,		"\316Z"},
637     {K_S_F8,		"\316["},
638     {K_S_F9,		"\316\\"},
639     {K_S_F10,		"\316]"},
640     {K_S_F11,		"\316\207"},
641     {K_S_F12,		"\316\210"},
642     {K_INS,		"\316R"},
643     {K_DEL,		"\316S"},
644     {K_HOME,		"\316G"},
645     {K_END,		"\316O"},
646     {K_PAGEDOWN,	"\316Q"},
647     {K_PAGEUP,		"\316I"},
648     {K_KPLUS,		"\316N"},
649     {K_KMINUS,		"\316J"},
650     {K_KMULTIPLY,	"\3167"},
651     {K_K0,		"\316\332"},
652     {K_K1,		"\316\336"},
653     {K_K2,		"\316\342"},
654     {K_K3,		"\316\346"},
655     {K_K4,		"\316\352"},
656     {K_K5,		"\316\356"},
657     {K_K6,		"\316\362"},
658     {K_K7,		"\316\366"},
659     {K_K8,		"\316\372"},
660     {K_K9,		"\316\376"},
661 # endif
662 
663 # if defined(WIN3264) || defined(ALL_BUILTIN_TCAPS) || defined(__EMX__)
664 /*
665  * These codes are valid for the Win32 Console .  The entries that start with
666  * ESC | are translated into console calls in os_win32.c.  The function keys
667  * are also translated in os_win32.c.
668  */
669     {(int)KS_NAME,	"win32"},
670     {(int)KS_CE,	"\033|K"},	/* clear to end of line */
671     {(int)KS_AL,	"\033|L"},	/* add new blank line */
672 #  ifdef TERMINFO
673     {(int)KS_CAL,	"\033|%p1%dL"},	/* add number of new blank lines */
674 #  else
675     {(int)KS_CAL,	"\033|%dL"},	/* add number of new blank lines */
676 #  endif
677     {(int)KS_DL,	"\033|M"},	/* delete line */
678 #  ifdef TERMINFO
679     {(int)KS_CDL,	"\033|%p1%dM"},	/* delete number of lines */
680 #  else
681     {(int)KS_CDL,	"\033|%dM"},	/* delete number of lines */
682 #  endif
683     {(int)KS_CL,	"\033|J"},	/* clear screen */
684     {(int)KS_CD,	"\033|j"},	/* clear to end of display */
685     {(int)KS_VI,	"\033|v"},	/* cursor invisible */
686     {(int)KS_VE,	"\033|V"},	/* cursor visible */
687 
688     {(int)KS_ME,	"\033|0m"},	/* normal */
689     {(int)KS_MR,	"\033|112m"},	/* reverse: black on lightgray */
690     {(int)KS_MD,	"\033|15m"},	/* bold: white on black */
691 #if 1
692     {(int)KS_SO,	"\033|31m"},	/* standout: white on blue */
693     {(int)KS_SE,	"\033|0m"},	/* standout end */
694 #else
695     {(int)KS_SO,	"\033|F"},	/* standout: high intensity */
696     {(int)KS_SE,	"\033|f"},	/* standout end */
697 #endif
698     {(int)KS_CZH,	"\033|225m"},	/* italic: blue text on yellow */
699     {(int)KS_CZR,	"\033|0m"},	/* italic end */
700     {(int)KS_US,	"\033|67m"},	/* underscore: cyan text on red */
701     {(int)KS_UE,	"\033|0m"},	/* underscore end */
702     {(int)KS_CCO,	"16"},		/* allow 16 colors */
703 #  ifdef TERMINFO
704     {(int)KS_CAB,	"\033|%p1%db"},	/* set background color */
705     {(int)KS_CAF,	"\033|%p1%df"},	/* set foreground color */
706 #  else
707     {(int)KS_CAB,	"\033|%db"},	/* set background color */
708     {(int)KS_CAF,	"\033|%df"},	/* set foreground color */
709 #  endif
710 
711     {(int)KS_MS,	"y"},		/* save to move cur in reverse mode */
712     {(int)KS_UT,	"y"},
713     {(int)KS_LE,	"\b"},
714 #  ifdef TERMINFO
715     {(int)KS_CM,	"\033|%i%p1%d;%p2%dH"},/* cursor motion */
716 #  else
717     {(int)KS_CM,	"\033|%i%d;%dH"},/* cursor motion */
718 #  endif
719     {(int)KS_VB,	"\033|B"},	/* visual bell */
720     {(int)KS_TI,	"\033|S"},	/* put terminal in termcap mode */
721     {(int)KS_TE,	"\033|E"},	/* out of termcap mode */
722 #  ifdef TERMINFO
723     {(int)KS_CS,	"\033|%i%p1%d;%p2%dr"},/* scroll region */
724 #  else
725     {(int)KS_CS,	"\033|%i%d;%dr"},/* scroll region */
726 #  endif
727 
728     {K_UP,		"\316H"},
729     {K_DOWN,		"\316P"},
730     {K_LEFT,		"\316K"},
731     {K_RIGHT,		"\316M"},
732     {K_S_UP,		"\316\304"},
733     {K_S_DOWN,		"\316\317"},
734     {K_S_LEFT,		"\316\311"},
735     {K_C_LEFT,		"\316s"},
736     {K_S_RIGHT,		"\316\313"},
737     {K_C_RIGHT,		"\316t"},
738     {K_S_TAB,		"\316\017"},
739     {K_F1,		"\316;"},
740     {K_F2,		"\316<"},
741     {K_F3,		"\316="},
742     {K_F4,		"\316>"},
743     {K_F5,		"\316?"},
744     {K_F6,		"\316@"},
745     {K_F7,		"\316A"},
746     {K_F8,		"\316B"},
747     {K_F9,		"\316C"},
748     {K_F10,		"\316D"},
749     {K_F11,		"\316\205"},
750     {K_F12,		"\316\206"},
751     {K_S_F1,		"\316T"},
752     {K_S_F2,		"\316U"},
753     {K_S_F3,		"\316V"},
754     {K_S_F4,		"\316W"},
755     {K_S_F5,		"\316X"},
756     {K_S_F6,		"\316Y"},
757     {K_S_F7,		"\316Z"},
758     {K_S_F8,		"\316["},
759     {K_S_F9,		"\316\\"},
760     {K_S_F10,		"\316]"},
761     {K_S_F11,		"\316\207"},
762     {K_S_F12,		"\316\210"},
763     {K_INS,		"\316R"},
764     {K_DEL,		"\316S"},
765     {K_HOME,		"\316G"},
766     {K_S_HOME,		"\316\302"},
767     {K_C_HOME,		"\316w"},
768     {K_END,		"\316O"},
769     {K_S_END,		"\316\315"},
770     {K_C_END,		"\316u"},
771     {K_PAGEDOWN,	"\316Q"},
772     {K_PAGEUP,		"\316I"},
773     {K_KPLUS,		"\316N"},
774     {K_KMINUS,		"\316J"},
775     {K_KMULTIPLY,	"\316\067"},
776     {K_K0,		"\316\332"},
777     {K_K1,		"\316\336"},
778     {K_K2,		"\316\342"},
779     {K_K3,		"\316\346"},
780     {K_K4,		"\316\352"},
781     {K_K5,		"\316\356"},
782     {K_K6,		"\316\362"},
783     {K_K7,		"\316\366"},
784     {K_K8,		"\316\372"},
785     {K_K9,		"\316\376"},
786 # endif
787 
788 # if defined(VMS) || defined(ALL_BUILTIN_TCAPS)
789 /*
790  * VT320 is working as an ANSI terminal compatible DEC terminal.
791  * (it covers VT1x0, VT2x0 and VT3x0 up to VT320 on VMS as well)
792  * Note: K_F1...K_F5 are for internal use, should not be defined.
793  * TODO:- rewrite ESC[ codes to CSI
794  *      - keyboard languages (CSI ? 26 n)
795  */
796     {(int)KS_NAME,	"vt320"},
797     {(int)KS_CE,	IF_EB("\033[K", ESC_STR "[K")},
798     {(int)KS_AL,	IF_EB("\033[L", ESC_STR "[L")},
799 #  ifdef TERMINFO
800     {(int)KS_CAL,	IF_EB("\033[%p1%dL", ESC_STR "[%p1%dL")},
801 #  else
802     {(int)KS_CAL,	IF_EB("\033[%dL", ESC_STR "[%dL")},
803 #  endif
804     {(int)KS_DL,	IF_EB("\033[M", ESC_STR "[M")},
805 #  ifdef TERMINFO
806     {(int)KS_CDL,	IF_EB("\033[%p1%dM", ESC_STR "[%p1%dM")},
807 #  else
808     {(int)KS_CDL,	IF_EB("\033[%dM", ESC_STR "[%dM")},
809 #  endif
810     {(int)KS_CL,	IF_EB("\033[H\033[2J", ESC_STR "[H" ESC_STR_nc "[2J")},
811     {(int)KS_CD,	IF_EB("\033[J", ESC_STR "[J")},
812     {(int)KS_CCO,	"8"},			/* allow 8 colors */
813     {(int)KS_ME,	IF_EB("\033[0m", ESC_STR "[0m")},
814     {(int)KS_MR,	IF_EB("\033[7m", ESC_STR "[7m")},
815     {(int)KS_MD,	IF_EB("\033[1m", ESC_STR "[1m")},  /* bold mode */
816     {(int)KS_SE,	IF_EB("\033[22m", ESC_STR "[22m")},/* normal mode */
817     {(int)KS_UE,	IF_EB("\033[24m", ESC_STR "[24m")},/* exit underscore mode */
818     {(int)KS_US,	IF_EB("\033[4m", ESC_STR "[4m")},  /* underscore mode */
819     {(int)KS_CZH,	IF_EB("\033[34;43m", ESC_STR "[34;43m")},  /* italic mode: blue text on yellow */
820     {(int)KS_CZR,	IF_EB("\033[0m", ESC_STR "[0m")},	    /* italic mode end */
821     {(int)KS_CAB,	IF_EB("\033[4%dm", ESC_STR "[4%dm")},	    /* set background color (ANSI) */
822     {(int)KS_CAF,	IF_EB("\033[3%dm", ESC_STR "[3%dm")},	    /* set foreground color (ANSI) */
823     {(int)KS_CSB,	IF_EB("\033[102;%dm", ESC_STR "[102;%dm")},	/* set screen background color */
824     {(int)KS_CSF,	IF_EB("\033[101;%dm", ESC_STR "[101;%dm")},	/* set screen foreground color */
825     {(int)KS_MS,	"y"},
826     {(int)KS_UT,	"y"},
827     {(int)KS_LE,	"\b"},
828 #  ifdef TERMINFO
829     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
830 						  ESC_STR "[%i%p1%d;%p2%dH")},
831 #  else
832     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
833 #  endif
834 #  ifdef TERMINFO
835     {(int)KS_CRI,	IF_EB("\033[%p1%dC", ESC_STR "[%p1%dC")},
836 #  else
837     {(int)KS_CRI,	IF_EB("\033[%dC", ESC_STR "[%dC")},
838 #  endif
839     {K_UP,		IF_EB("\033[A", ESC_STR "[A")},
840     {K_DOWN,		IF_EB("\033[B", ESC_STR "[B")},
841     {K_RIGHT,		IF_EB("\033[C", ESC_STR "[C")},
842     {K_LEFT,		IF_EB("\033[D", ESC_STR "[D")},
843     {K_F1,		IF_EB("\033[11~", ESC_STR "[11~")},
844     {K_F2,		IF_EB("\033[12~", ESC_STR "[12~")},
845     {K_F3,		IF_EB("\033[13~", ESC_STR "[13~")},
846     {K_F4,		IF_EB("\033[14~", ESC_STR "[14~")},
847     {K_F5,		IF_EB("\033[15~", ESC_STR "[15~")},
848     {K_F6,		IF_EB("\033[17~", ESC_STR "[17~")},
849     {K_F7,		IF_EB("\033[18~", ESC_STR "[18~")},
850     {K_F8,		IF_EB("\033[19~", ESC_STR "[19~")},
851     {K_F9,		IF_EB("\033[20~", ESC_STR "[20~")},
852     {K_F10,		IF_EB("\033[21~", ESC_STR "[21~")},
853     {K_F11,		IF_EB("\033[23~", ESC_STR "[23~")},
854     {K_F12,		IF_EB("\033[24~", ESC_STR "[24~")},
855     {K_F13,		IF_EB("\033[25~", ESC_STR "[25~")},
856     {K_F14,		IF_EB("\033[26~", ESC_STR "[26~")},
857     {K_F15,		IF_EB("\033[28~", ESC_STR "[28~")},	/* Help */
858     {K_F16,		IF_EB("\033[29~", ESC_STR "[29~")},	/* Select */
859     {K_F17,		IF_EB("\033[31~", ESC_STR "[31~")},
860     {K_F18,		IF_EB("\033[32~", ESC_STR "[32~")},
861     {K_F19,		IF_EB("\033[33~", ESC_STR "[33~")},
862     {K_F20,		IF_EB("\033[34~", ESC_STR "[34~")},
863     {K_INS,		IF_EB("\033[2~", ESC_STR "[2~")},
864     {K_DEL,		IF_EB("\033[3~", ESC_STR "[3~")},
865     {K_HOME,		IF_EB("\033[1~", ESC_STR "[1~")},
866     {K_END,		IF_EB("\033[4~", ESC_STR "[4~")},
867     {K_PAGEUP,		IF_EB("\033[5~", ESC_STR "[5~")},
868     {K_PAGEDOWN,	IF_EB("\033[6~", ESC_STR "[6~")},
869     {K_KPLUS,		IF_EB("\033Ok", ESC_STR "Ok")},	/* keypad plus */
870     {K_KMINUS,		IF_EB("\033Om", ESC_STR "Om")},	/* keypad minus */
871     {K_KDIVIDE,		IF_EB("\033Oo", ESC_STR "Oo")},	/* keypad / */
872     {K_KMULTIPLY,	IF_EB("\033Oj", ESC_STR "Oj")},	/* keypad * */
873     {K_KENTER,		IF_EB("\033OM", ESC_STR "OM")},	/* keypad Enter */
874     {K_BS,		"\x7f"},	/* for some reason 0177 doesn't work */
875 # endif
876 
877 # if defined(ALL_BUILTIN_TCAPS) || defined(__MINT__)
878 /*
879  * Ordinary vt52
880  */
881     {(int)KS_NAME,	"vt52"},
882     {(int)KS_CE,	IF_EB("\033K", ESC_STR "K")},
883     {(int)KS_CD,	IF_EB("\033J", ESC_STR "J")},
884     {(int)KS_CM,	IF_EB("\033Y%+ %+ ", ESC_STR "Y%+ %+ ")},
885     {(int)KS_LE,	"\b"},
886 #  ifdef __MINT__
887     {(int)KS_AL,	IF_EB("\033L", ESC_STR "L")},
888     {(int)KS_DL,	IF_EB("\033M", ESC_STR "M")},
889     {(int)KS_CL,	IF_EB("\033E", ESC_STR "E")},
890     {(int)KS_SR,	IF_EB("\033I", ESC_STR "I")},
891     {(int)KS_VE,	IF_EB("\033e", ESC_STR "e")},
892     {(int)KS_VI,	IF_EB("\033f", ESC_STR "f")},
893     {(int)KS_SO,	IF_EB("\033p", ESC_STR "p")},
894     {(int)KS_SE,	IF_EB("\033q", ESC_STR "q")},
895     {K_UP,		IF_EB("\033A", ESC_STR "A")},
896     {K_DOWN,		IF_EB("\033B", ESC_STR "B")},
897     {K_LEFT,		IF_EB("\033D", ESC_STR "D")},
898     {K_RIGHT,		IF_EB("\033C", ESC_STR "C")},
899     {K_S_UP,		IF_EB("\033a", ESC_STR "a")},
900     {K_S_DOWN,		IF_EB("\033b", ESC_STR "b")},
901     {K_S_LEFT,		IF_EB("\033d", ESC_STR "d")},
902     {K_S_RIGHT,		IF_EB("\033c", ESC_STR "c")},
903     {K_F1,		IF_EB("\033P", ESC_STR "P")},
904     {K_F2,		IF_EB("\033Q", ESC_STR "Q")},
905     {K_F3,		IF_EB("\033R", ESC_STR "R")},
906     {K_F4,		IF_EB("\033S", ESC_STR "S")},
907     {K_F5,		IF_EB("\033T", ESC_STR "T")},
908     {K_F6,		IF_EB("\033U", ESC_STR "U")},
909     {K_F7,		IF_EB("\033V", ESC_STR "V")},
910     {K_F8,		IF_EB("\033W", ESC_STR "W")},
911     {K_F9,		IF_EB("\033X", ESC_STR "X")},
912     {K_F10,		IF_EB("\033Y", ESC_STR "Y")},
913     {K_S_F1,		IF_EB("\033p", ESC_STR "p")},
914     {K_S_F2,		IF_EB("\033q", ESC_STR "q")},
915     {K_S_F3,		IF_EB("\033r", ESC_STR "r")},
916     {K_S_F4,		IF_EB("\033s", ESC_STR "s")},
917     {K_S_F5,		IF_EB("\033t", ESC_STR "t")},
918     {K_S_F6,		IF_EB("\033u", ESC_STR "u")},
919     {K_S_F7,		IF_EB("\033v", ESC_STR "v")},
920     {K_S_F8,		IF_EB("\033w", ESC_STR "w")},
921     {K_S_F9,		IF_EB("\033x", ESC_STR "x")},
922     {K_S_F10,		IF_EB("\033y", ESC_STR "y")},
923     {K_INS,		IF_EB("\033I", ESC_STR "I")},
924     {K_HOME,		IF_EB("\033E", ESC_STR "E")},
925     {K_PAGEDOWN,	IF_EB("\033b", ESC_STR "b")},
926     {K_PAGEUP,		IF_EB("\033a", ESC_STR "a")},
927 #  else
928     {(int)KS_AL,	IF_EB("\033T", ESC_STR "T")},
929     {(int)KS_DL,	IF_EB("\033U", ESC_STR "U")},
930     {(int)KS_CL,	IF_EB("\033H\033J", ESC_STR "H" ESC_STR_nc "J")},
931     {(int)KS_ME,	IF_EB("\033SO", ESC_STR "SO")},
932     {(int)KS_MR,	IF_EB("\033S2", ESC_STR "S2")},
933     {(int)KS_MS,	"y"},
934 #  endif
935 # endif
936 
937 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS) || defined(SOME_BUILTIN_TCAPS) || defined(__EMX__)
938     {(int)KS_NAME,	"xterm"},
939     {(int)KS_CE,	IF_EB("\033[K", ESC_STR "[K")},
940     {(int)KS_AL,	IF_EB("\033[L", ESC_STR "[L")},
941 #  ifdef TERMINFO
942     {(int)KS_CAL,	IF_EB("\033[%p1%dL", ESC_STR "[%p1%dL")},
943 #  else
944     {(int)KS_CAL,	IF_EB("\033[%dL", ESC_STR "[%dL")},
945 #  endif
946     {(int)KS_DL,	IF_EB("\033[M", ESC_STR "[M")},
947 #  ifdef TERMINFO
948     {(int)KS_CDL,	IF_EB("\033[%p1%dM", ESC_STR "[%p1%dM")},
949 #  else
950     {(int)KS_CDL,	IF_EB("\033[%dM", ESC_STR "[%dM")},
951 #  endif
952 #  ifdef TERMINFO
953     {(int)KS_CS,	IF_EB("\033[%i%p1%d;%p2%dr",
954 						  ESC_STR "[%i%p1%d;%p2%dr")},
955 #  else
956     {(int)KS_CS,	IF_EB("\033[%i%d;%dr", ESC_STR "[%i%d;%dr")},
957 #  endif
958     {(int)KS_CL,	IF_EB("\033[H\033[2J", ESC_STR "[H" ESC_STR_nc "[2J")},
959     {(int)KS_CD,	IF_EB("\033[J", ESC_STR "[J")},
960     {(int)KS_ME,	IF_EB("\033[m", ESC_STR "[m")},
961     {(int)KS_MR,	IF_EB("\033[7m", ESC_STR "[7m")},
962     {(int)KS_MD,	IF_EB("\033[1m", ESC_STR "[1m")},
963     {(int)KS_UE,	IF_EB("\033[m", ESC_STR "[m")},
964     {(int)KS_US,	IF_EB("\033[4m", ESC_STR "[4m")},
965     {(int)KS_MS,	"y"},
966     {(int)KS_UT,	"y"},
967     {(int)KS_LE,	"\b"},
968 #  ifdef TERMINFO
969     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
970 						  ESC_STR "[%i%p1%d;%p2%dH")},
971 #  else
972     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
973 #  endif
974     {(int)KS_SR,	IF_EB("\033M", ESC_STR "M")},
975 #  ifdef TERMINFO
976     {(int)KS_CRI,	IF_EB("\033[%p1%dC", ESC_STR "[%p1%dC")},
977 #  else
978     {(int)KS_CRI,	IF_EB("\033[%dC", ESC_STR "[%dC")},
979 #  endif
980     {(int)KS_KS,	IF_EB("\033[?1h\033=", ESC_STR "[?1h" ESC_STR_nc "=")},
981     {(int)KS_KE,	IF_EB("\033[?1l\033>", ESC_STR "[?1l" ESC_STR_nc ">")},
982 #  ifdef FEAT_XTERM_SAVE
983     {(int)KS_TI,	IF_EB("\0337\033[?47h", ESC_STR "7" ESC_STR_nc "[?47h")},
984     {(int)KS_TE,	IF_EB("\033[2J\033[?47l\0338",
985 				  ESC_STR "[2J" ESC_STR_nc "[?47l" ESC_STR_nc "8")},
986 #  endif
987     {(int)KS_CIS,	IF_EB("\033]1;", ESC_STR "]1;")},
988     {(int)KS_CIE,	"\007"},
989     {(int)KS_TS,	IF_EB("\033]2;", ESC_STR "]2;")},
990     {(int)KS_FS,	"\007"},
991 #  ifdef TERMINFO
992     {(int)KS_CWS,	IF_EB("\033[8;%p1%d;%p2%dt",
993 						  ESC_STR "[8;%p1%d;%p2%dt")},
994     {(int)KS_CWP,	IF_EB("\033[3;%p1%d;%p2%dt",
995 						  ESC_STR "[3;%p1%d;%p2%dt")},
996 #  else
997     {(int)KS_CWS,	IF_EB("\033[8;%d;%dt", ESC_STR "[8;%d;%dt")},
998     {(int)KS_CWP,	IF_EB("\033[3;%d;%dt", ESC_STR "[3;%d;%dt")},
999 #  endif
1000     {(int)KS_CRV,	IF_EB("\033[>c", ESC_STR "[>c")},
1001 
1002     {K_UP,		IF_EB("\033O*A", ESC_STR "O*A")},
1003     {K_DOWN,		IF_EB("\033O*B", ESC_STR "O*B")},
1004     {K_RIGHT,		IF_EB("\033O*C", ESC_STR "O*C")},
1005     {K_LEFT,		IF_EB("\033O*D", ESC_STR "O*D")},
1006     /* An extra set of cursor keys for vt100 mode */
1007     {K_XUP,		IF_EB("\033[1;*A", ESC_STR "[1;*A")},
1008     {K_XDOWN,		IF_EB("\033[1;*B", ESC_STR "[1;*B")},
1009     {K_XRIGHT,		IF_EB("\033[1;*C", ESC_STR "[1;*C")},
1010     {K_XLEFT,		IF_EB("\033[1;*D", ESC_STR "[1;*D")},
1011     /* An extra set of function keys for vt100 mode */
1012     {K_XF1,		IF_EB("\033O*P", ESC_STR "O*P")},
1013     {K_XF2,		IF_EB("\033O*Q", ESC_STR "O*Q")},
1014     {K_XF3,		IF_EB("\033O*R", ESC_STR "O*R")},
1015     {K_XF4,		IF_EB("\033O*S", ESC_STR "O*S")},
1016     {K_F1,		IF_EB("\033[11;*~", ESC_STR "[11;*~")},
1017     {K_F2,		IF_EB("\033[12;*~", ESC_STR "[12;*~")},
1018     {K_F3,		IF_EB("\033[13;*~", ESC_STR "[13;*~")},
1019     {K_F4,		IF_EB("\033[14;*~", ESC_STR "[14;*~")},
1020     {K_F5,		IF_EB("\033[15;*~", ESC_STR "[15;*~")},
1021     {K_F6,		IF_EB("\033[17;*~", ESC_STR "[17;*~")},
1022     {K_F7,		IF_EB("\033[18;*~", ESC_STR "[18;*~")},
1023     {K_F8,		IF_EB("\033[19;*~", ESC_STR "[19;*~")},
1024     {K_F9,		IF_EB("\033[20;*~", ESC_STR "[20;*~")},
1025     {K_F10,		IF_EB("\033[21;*~", ESC_STR "[21;*~")},
1026     {K_F11,		IF_EB("\033[23;*~", ESC_STR "[23;*~")},
1027     {K_F12,		IF_EB("\033[24;*~", ESC_STR "[24;*~")},
1028     {K_S_TAB,		IF_EB("\033[Z", ESC_STR "[Z")},
1029     {K_HELP,		IF_EB("\033[28;*~", ESC_STR "[28;*~")},
1030     {K_UNDO,		IF_EB("\033[26;*~", ESC_STR "[26;*~")},
1031     {K_INS,		IF_EB("\033[2;*~", ESC_STR "[2;*~")},
1032     {K_HOME,		IF_EB("\033[1;*H", ESC_STR "[1;*H")},
1033     /* {K_S_HOME,		IF_EB("\033O2H", ESC_STR "O2H")}, */
1034     /* {K_C_HOME,		IF_EB("\033O5H", ESC_STR "O5H")}, */
1035     {K_KHOME,		IF_EB("\033[1;*~", ESC_STR "[1;*~")},
1036     {K_XHOME,		IF_EB("\033O*H", ESC_STR "O*H")},	/* other Home */
1037     {K_ZHOME,		IF_EB("\033[7;*~", ESC_STR "[7;*~")},	/* other Home */
1038     {K_END,		IF_EB("\033[1;*F", ESC_STR "[1;*F")},
1039     /* {K_S_END,		IF_EB("\033O2F", ESC_STR "O2F")}, */
1040     /* {K_C_END,		IF_EB("\033O5F", ESC_STR "O5F")}, */
1041     {K_KEND,		IF_EB("\033[4;*~", ESC_STR "[4;*~")},
1042     {K_XEND,		IF_EB("\033O*F", ESC_STR "O*F")},	/* other End */
1043     {K_ZEND,		IF_EB("\033[8;*~", ESC_STR "[8;*~")},
1044     {K_PAGEUP,		IF_EB("\033[5;*~", ESC_STR "[5;*~")},
1045     {K_PAGEDOWN,	IF_EB("\033[6;*~", ESC_STR "[6;*~")},
1046     {K_KPLUS,		IF_EB("\033O*k", ESC_STR "O*k")},	/* keypad plus */
1047     {K_KMINUS,		IF_EB("\033O*m", ESC_STR "O*m")},	/* keypad minus */
1048     {K_KDIVIDE,		IF_EB("\033O*o", ESC_STR "O*o")},	/* keypad / */
1049     {K_KMULTIPLY,	IF_EB("\033O*j", ESC_STR "O*j")},	/* keypad * */
1050     {K_KENTER,		IF_EB("\033O*M", ESC_STR "O*M")},	/* keypad Enter */
1051     {K_KPOINT,		IF_EB("\033O*n", ESC_STR "O*n")},	/* keypad . */
1052     {K_KDEL,		IF_EB("\033[3;*~", ESC_STR "[3;*~")},	/* keypad Del */
1053 
1054     {BT_EXTRA_KEYS,   ""},
1055     {TERMCAP2KEY('k', '0'), IF_EB("\033[10;*~", ESC_STR "[10;*~")}, /* F0 */
1056     {TERMCAP2KEY('F', '3'), IF_EB("\033[25;*~", ESC_STR "[25;*~")}, /* F13 */
1057     /* F14 and F15 are missing, because they send the same codes as the undo
1058      * and help key, although they don't work on all keyboards. */
1059     {TERMCAP2KEY('F', '6'), IF_EB("\033[29;*~", ESC_STR "[29;*~")}, /* F16 */
1060     {TERMCAP2KEY('F', '7'), IF_EB("\033[31;*~", ESC_STR "[31;*~")}, /* F17 */
1061     {TERMCAP2KEY('F', '8'), IF_EB("\033[32;*~", ESC_STR "[32;*~")}, /* F18 */
1062     {TERMCAP2KEY('F', '9'), IF_EB("\033[33;*~", ESC_STR "[33;*~")}, /* F19 */
1063     {TERMCAP2KEY('F', 'A'), IF_EB("\033[34;*~", ESC_STR "[34;*~")}, /* F20 */
1064 
1065     {TERMCAP2KEY('F', 'B'), IF_EB("\033[42;*~", ESC_STR "[42;*~")}, /* F21 */
1066     {TERMCAP2KEY('F', 'C'), IF_EB("\033[43;*~", ESC_STR "[43;*~")}, /* F22 */
1067     {TERMCAP2KEY('F', 'D'), IF_EB("\033[44;*~", ESC_STR "[44;*~")}, /* F23 */
1068     {TERMCAP2KEY('F', 'E'), IF_EB("\033[45;*~", ESC_STR "[45;*~")}, /* F24 */
1069     {TERMCAP2KEY('F', 'F'), IF_EB("\033[46;*~", ESC_STR "[46;*~")}, /* F25 */
1070     {TERMCAP2KEY('F', 'G'), IF_EB("\033[47;*~", ESC_STR "[47;*~")}, /* F26 */
1071     {TERMCAP2KEY('F', 'H'), IF_EB("\033[48;*~", ESC_STR "[48;*~")}, /* F27 */
1072     {TERMCAP2KEY('F', 'I'), IF_EB("\033[49;*~", ESC_STR "[49;*~")}, /* F28 */
1073     {TERMCAP2KEY('F', 'J'), IF_EB("\033[50;*~", ESC_STR "[50;*~")}, /* F29 */
1074     {TERMCAP2KEY('F', 'K'), IF_EB("\033[51;*~", ESC_STR "[51;*~")}, /* F30 */
1075 
1076     {TERMCAP2KEY('F', 'L'), IF_EB("\033[52;*~", ESC_STR "[52;*~")}, /* F31 */
1077     {TERMCAP2KEY('F', 'M'), IF_EB("\033[53;*~", ESC_STR "[53;*~")}, /* F32 */
1078     {TERMCAP2KEY('F', 'N'), IF_EB("\033[54;*~", ESC_STR "[54;*~")}, /* F33 */
1079     {TERMCAP2KEY('F', 'O'), IF_EB("\033[55;*~", ESC_STR "[55;*~")}, /* F34 */
1080     {TERMCAP2KEY('F', 'P'), IF_EB("\033[56;*~", ESC_STR "[56;*~")}, /* F35 */
1081     {TERMCAP2KEY('F', 'Q'), IF_EB("\033[57;*~", ESC_STR "[57;*~")}, /* F36 */
1082     {TERMCAP2KEY('F', 'R'), IF_EB("\033[58;*~", ESC_STR "[58;*~")}, /* F37 */
1083 # endif
1084 
1085 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS)
1086 /*
1087  * iris-ansi for Silicon Graphics machines.
1088  */
1089     {(int)KS_NAME,	"iris-ansi"},
1090     {(int)KS_CE,	"\033[K"},
1091     {(int)KS_CD,	"\033[J"},
1092     {(int)KS_AL,	"\033[L"},
1093 #  ifdef TERMINFO
1094     {(int)KS_CAL,	"\033[%p1%dL"},
1095 #  else
1096     {(int)KS_CAL,	"\033[%dL"},
1097 #  endif
1098     {(int)KS_DL,	"\033[M"},
1099 #  ifdef TERMINFO
1100     {(int)KS_CDL,	"\033[%p1%dM"},
1101 #  else
1102     {(int)KS_CDL,	"\033[%dM"},
1103 #  endif
1104 #if 0	/* The scroll region is not working as Vim expects. */
1105 #  ifdef TERMINFO
1106     {(int)KS_CS,	"\033[%i%p1%d;%p2%dr"},
1107 #  else
1108     {(int)KS_CS,	"\033[%i%d;%dr"},
1109 #  endif
1110 #endif
1111     {(int)KS_CL,	"\033[H\033[2J"},
1112     {(int)KS_VE,	"\033[9/y\033[12/y"},	/* These aren't documented */
1113     {(int)KS_VS,	"\033[10/y\033[=1h\033[=2l"}, /* These aren't documented */
1114     {(int)KS_TI,	"\033[=6h"},
1115     {(int)KS_TE,	"\033[=6l"},
1116     {(int)KS_SE,	"\033[21;27m"},
1117     {(int)KS_SO,	"\033[1;7m"},
1118     {(int)KS_ME,	"\033[m"},
1119     {(int)KS_MR,	"\033[7m"},
1120     {(int)KS_MD,	"\033[1m"},
1121     {(int)KS_CCO,	"8"},			/* allow 8 colors */
1122     {(int)KS_CZH,	"\033[3m"},		/* italic mode on */
1123     {(int)KS_CZR,	"\033[23m"},		/* italic mode off */
1124     {(int)KS_US,	"\033[4m"},		/* underline on */
1125     {(int)KS_UE,	"\033[24m"},		/* underline off */
1126 #  ifdef TERMINFO
1127     {(int)KS_CAB,	"\033[4%p1%dm"},    /* set background color (ANSI) */
1128     {(int)KS_CAF,	"\033[3%p1%dm"},    /* set foreground color (ANSI) */
1129     {(int)KS_CSB,	"\033[102;%p1%dm"}, /* set screen background color */
1130     {(int)KS_CSF,	"\033[101;%p1%dm"}, /* set screen foreground color */
1131 #  else
1132     {(int)KS_CAB,	"\033[4%dm"},	    /* set background color (ANSI) */
1133     {(int)KS_CAF,	"\033[3%dm"},	    /* set foreground color (ANSI) */
1134     {(int)KS_CSB,	"\033[102;%dm"},    /* set screen background color */
1135     {(int)KS_CSF,	"\033[101;%dm"},    /* set screen foreground color */
1136 #  endif
1137     {(int)KS_MS,	"y"},		/* guessed */
1138     {(int)KS_UT,	"y"},		/* guessed */
1139     {(int)KS_LE,	"\b"},
1140 #  ifdef TERMINFO
1141     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
1142 #  else
1143     {(int)KS_CM,	"\033[%i%d;%dH"},
1144 #  endif
1145     {(int)KS_SR,	"\033M"},
1146 #  ifdef TERMINFO
1147     {(int)KS_CRI,	"\033[%p1%dC"},
1148 #  else
1149     {(int)KS_CRI,	"\033[%dC"},
1150 #  endif
1151     {(int)KS_CIS,	"\033P3.y"},
1152     {(int)KS_CIE,	"\234"},    /* ST "String Terminator" */
1153     {(int)KS_TS,	"\033P1.y"},
1154     {(int)KS_FS,	"\234"},    /* ST "String Terminator" */
1155 #  ifdef TERMINFO
1156     {(int)KS_CWS,	"\033[203;%p1%d;%p2%d/y"},
1157     {(int)KS_CWP,	"\033[205;%p1%d;%p2%d/y"},
1158 #  else
1159     {(int)KS_CWS,	"\033[203;%d;%d/y"},
1160     {(int)KS_CWP,	"\033[205;%d;%d/y"},
1161 #  endif
1162     {K_UP,		"\033[A"},
1163     {K_DOWN,		"\033[B"},
1164     {K_LEFT,		"\033[D"},
1165     {K_RIGHT,		"\033[C"},
1166     {K_S_UP,		"\033[161q"},
1167     {K_S_DOWN,		"\033[164q"},
1168     {K_S_LEFT,		"\033[158q"},
1169     {K_S_RIGHT,		"\033[167q"},
1170     {K_F1,		"\033[001q"},
1171     {K_F2,		"\033[002q"},
1172     {K_F3,		"\033[003q"},
1173     {K_F4,		"\033[004q"},
1174     {K_F5,		"\033[005q"},
1175     {K_F6,		"\033[006q"},
1176     {K_F7,		"\033[007q"},
1177     {K_F8,		"\033[008q"},
1178     {K_F9,		"\033[009q"},
1179     {K_F10,		"\033[010q"},
1180     {K_F11,		"\033[011q"},
1181     {K_F12,		"\033[012q"},
1182     {K_S_F1,		"\033[013q"},
1183     {K_S_F2,		"\033[014q"},
1184     {K_S_F3,		"\033[015q"},
1185     {K_S_F4,		"\033[016q"},
1186     {K_S_F5,		"\033[017q"},
1187     {K_S_F6,		"\033[018q"},
1188     {K_S_F7,		"\033[019q"},
1189     {K_S_F8,		"\033[020q"},
1190     {K_S_F9,		"\033[021q"},
1191     {K_S_F10,		"\033[022q"},
1192     {K_S_F11,		"\033[023q"},
1193     {K_S_F12,		"\033[024q"},
1194     {K_INS,		"\033[139q"},
1195     {K_HOME,		"\033[H"},
1196     {K_END,		"\033[146q"},
1197     {K_PAGEUP,		"\033[150q"},
1198     {K_PAGEDOWN,	"\033[154q"},
1199 # endif
1200 
1201 # if defined(DEBUG) || defined(ALL_BUILTIN_TCAPS)
1202 /*
1203  * for debugging
1204  */
1205     {(int)KS_NAME,	"debug"},
1206     {(int)KS_CE,	"[CE]"},
1207     {(int)KS_CD,	"[CD]"},
1208     {(int)KS_AL,	"[AL]"},
1209 #  ifdef TERMINFO
1210     {(int)KS_CAL,	"[CAL%p1%d]"},
1211 #  else
1212     {(int)KS_CAL,	"[CAL%d]"},
1213 #  endif
1214     {(int)KS_DL,	"[DL]"},
1215 #  ifdef TERMINFO
1216     {(int)KS_CDL,	"[CDL%p1%d]"},
1217 #  else
1218     {(int)KS_CDL,	"[CDL%d]"},
1219 #  endif
1220 #  ifdef TERMINFO
1221     {(int)KS_CS,	"[%p1%dCS%p2%d]"},
1222 #  else
1223     {(int)KS_CS,	"[%dCS%d]"},
1224 #  endif
1225 #  ifdef FEAT_VERTSPLIT
1226 #   ifdef TERMINFO
1227     {(int)KS_CSV,	"[%p1%dCSV%p2%d]"},
1228 #   else
1229     {(int)KS_CSV,	"[%dCSV%d]"},
1230 #   endif
1231 #  endif
1232 #  ifdef TERMINFO
1233     {(int)KS_CAB,	"[CAB%p1%d]"},
1234     {(int)KS_CAF,	"[CAF%p1%d]"},
1235     {(int)KS_CSB,	"[CSB%p1%d]"},
1236     {(int)KS_CSF,	"[CSF%p1%d]"},
1237 #  else
1238     {(int)KS_CAB,	"[CAB%d]"},
1239     {(int)KS_CAF,	"[CAF%d]"},
1240     {(int)KS_CSB,	"[CSB%d]"},
1241     {(int)KS_CSF,	"[CSF%d]"},
1242 #  endif
1243     {(int)KS_OP,	"[OP]"},
1244     {(int)KS_LE,	"[LE]"},
1245     {(int)KS_CL,	"[CL]"},
1246     {(int)KS_VI,	"[VI]"},
1247     {(int)KS_VE,	"[VE]"},
1248     {(int)KS_VS,	"[VS]"},
1249     {(int)KS_ME,	"[ME]"},
1250     {(int)KS_MR,	"[MR]"},
1251     {(int)KS_MB,	"[MB]"},
1252     {(int)KS_MD,	"[MD]"},
1253     {(int)KS_SE,	"[SE]"},
1254     {(int)KS_SO,	"[SO]"},
1255     {(int)KS_UE,	"[UE]"},
1256     {(int)KS_US,	"[US]"},
1257     {(int)KS_UCE,	"[UCE]"},
1258     {(int)KS_UCS,	"[UCS]"},
1259     {(int)KS_MS,	"[MS]"},
1260     {(int)KS_UT,	"[UT]"},
1261 #  ifdef TERMINFO
1262     {(int)KS_CM,	"[%p1%dCM%p2%d]"},
1263 #  else
1264     {(int)KS_CM,	"[%dCM%d]"},
1265 #  endif
1266     {(int)KS_SR,	"[SR]"},
1267 #  ifdef TERMINFO
1268     {(int)KS_CRI,	"[CRI%p1%d]"},
1269 #  else
1270     {(int)KS_CRI,	"[CRI%d]"},
1271 #  endif
1272     {(int)KS_VB,	"[VB]"},
1273     {(int)KS_KS,	"[KS]"},
1274     {(int)KS_KE,	"[KE]"},
1275     {(int)KS_TI,	"[TI]"},
1276     {(int)KS_TE,	"[TE]"},
1277     {(int)KS_CIS,	"[CIS]"},
1278     {(int)KS_CIE,	"[CIE]"},
1279     {(int)KS_TS,	"[TS]"},
1280     {(int)KS_FS,	"[FS]"},
1281 #  ifdef TERMINFO
1282     {(int)KS_CWS,	"[%p1%dCWS%p2%d]"},
1283     {(int)KS_CWP,	"[%p1%dCWP%p2%d]"},
1284 #  else
1285     {(int)KS_CWS,	"[%dCWS%d]"},
1286     {(int)KS_CWP,	"[%dCWP%d]"},
1287 #  endif
1288     {(int)KS_CRV,	"[CRV]"},
1289     {K_UP,		"[KU]"},
1290     {K_DOWN,		"[KD]"},
1291     {K_LEFT,		"[KL]"},
1292     {K_RIGHT,		"[KR]"},
1293     {K_XUP,		"[xKU]"},
1294     {K_XDOWN,		"[xKD]"},
1295     {K_XLEFT,		"[xKL]"},
1296     {K_XRIGHT,		"[xKR]"},
1297     {K_S_UP,		"[S-KU]"},
1298     {K_S_DOWN,		"[S-KD]"},
1299     {K_S_LEFT,		"[S-KL]"},
1300     {K_C_LEFT,		"[C-KL]"},
1301     {K_S_RIGHT,		"[S-KR]"},
1302     {K_C_RIGHT,		"[C-KR]"},
1303     {K_F1,		"[F1]"},
1304     {K_XF1,		"[xF1]"},
1305     {K_F2,		"[F2]"},
1306     {K_XF2,		"[xF2]"},
1307     {K_F3,		"[F3]"},
1308     {K_XF3,		"[xF3]"},
1309     {K_F4,		"[F4]"},
1310     {K_XF4,		"[xF4]"},
1311     {K_F5,		"[F5]"},
1312     {K_F6,		"[F6]"},
1313     {K_F7,		"[F7]"},
1314     {K_F8,		"[F8]"},
1315     {K_F9,		"[F9]"},
1316     {K_F10,		"[F10]"},
1317     {K_F11,		"[F11]"},
1318     {K_F12,		"[F12]"},
1319     {K_S_F1,		"[S-F1]"},
1320     {K_S_XF1,		"[S-xF1]"},
1321     {K_S_F2,		"[S-F2]"},
1322     {K_S_XF2,		"[S-xF2]"},
1323     {K_S_F3,		"[S-F3]"},
1324     {K_S_XF3,		"[S-xF3]"},
1325     {K_S_F4,		"[S-F4]"},
1326     {K_S_XF4,		"[S-xF4]"},
1327     {K_S_F5,		"[S-F5]"},
1328     {K_S_F6,		"[S-F6]"},
1329     {K_S_F7,		"[S-F7]"},
1330     {K_S_F8,		"[S-F8]"},
1331     {K_S_F9,		"[S-F9]"},
1332     {K_S_F10,		"[S-F10]"},
1333     {K_S_F11,		"[S-F11]"},
1334     {K_S_F12,		"[S-F12]"},
1335     {K_HELP,		"[HELP]"},
1336     {K_UNDO,		"[UNDO]"},
1337     {K_BS,		"[BS]"},
1338     {K_INS,		"[INS]"},
1339     {K_KINS,		"[KINS]"},
1340     {K_DEL,		"[DEL]"},
1341     {K_KDEL,		"[KDEL]"},
1342     {K_HOME,		"[HOME]"},
1343     {K_S_HOME,		"[C-HOME]"},
1344     {K_C_HOME,		"[C-HOME]"},
1345     {K_KHOME,		"[KHOME]"},
1346     {K_XHOME,		"[XHOME]"},
1347     {K_ZHOME,		"[ZHOME]"},
1348     {K_END,		"[END]"},
1349     {K_S_END,		"[C-END]"},
1350     {K_C_END,		"[C-END]"},
1351     {K_KEND,		"[KEND]"},
1352     {K_XEND,		"[XEND]"},
1353     {K_ZEND,		"[ZEND]"},
1354     {K_PAGEUP,		"[PAGEUP]"},
1355     {K_PAGEDOWN,	"[PAGEDOWN]"},
1356     {K_KPAGEUP,		"[KPAGEUP]"},
1357     {K_KPAGEDOWN,	"[KPAGEDOWN]"},
1358     {K_MOUSE,		"[MOUSE]"},
1359     {K_KPLUS,		"[KPLUS]"},
1360     {K_KMINUS,		"[KMINUS]"},
1361     {K_KDIVIDE,		"[KDIVIDE]"},
1362     {K_KMULTIPLY,	"[KMULTIPLY]"},
1363     {K_KENTER,		"[KENTER]"},
1364     {K_KPOINT,		"[KPOINT]"},
1365     {K_K0,		"[K0]"},
1366     {K_K1,		"[K1]"},
1367     {K_K2,		"[K2]"},
1368     {K_K3,		"[K3]"},
1369     {K_K4,		"[K4]"},
1370     {K_K5,		"[K5]"},
1371     {K_K6,		"[K6]"},
1372     {K_K7,		"[K7]"},
1373     {K_K8,		"[K8]"},
1374     {K_K9,		"[K9]"},
1375 # endif
1376 
1377 #endif /* NO_BUILTIN_TCAPS */
1378 
1379 /*
1380  * The most minimal terminal: only clear screen and cursor positioning
1381  * Always included.
1382  */
1383     {(int)KS_NAME,	"dumb"},
1384     {(int)KS_CL,	"\014"},
1385 #ifdef TERMINFO
1386     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
1387 						  ESC_STR "[%i%p1%d;%p2%dH")},
1388 #else
1389     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
1390 #endif
1391 
1392 /*
1393  * end marker
1394  */
1395     {(int)KS_NAME,	NULL}
1396 
1397 };	/* end of builtin_termcaps */
1398 
1399 /*
1400  * DEFAULT_TERM is used, when no terminal is specified with -T option or $TERM.
1401  */
1402 #ifdef RISCOS
1403 # define DEFAULT_TERM	(char_u *)"riscos"
1404 #endif
1405 
1406 #ifdef AMIGA
1407 # define DEFAULT_TERM	(char_u *)"amiga"
1408 #endif
1409 
1410 #ifdef MSWIN
1411 # define DEFAULT_TERM	(char_u *)"win32"
1412 #endif
1413 
1414 #ifdef MSDOS
1415 # define DEFAULT_TERM	(char_u *)"pcterm"
1416 #endif
1417 
1418 #if defined(UNIX) && !defined(__MINT__)
1419 # define DEFAULT_TERM	(char_u *)"ansi"
1420 #endif
1421 
1422 #ifdef __MINT__
1423 # define DEFAULT_TERM	(char_u *)"vt52"
1424 #endif
1425 
1426 #ifdef __EMX__
1427 # define DEFAULT_TERM	(char_u *)"os2ansi"
1428 #endif
1429 
1430 #ifdef VMS
1431 # define DEFAULT_TERM	(char_u *)"vt320"
1432 #endif
1433 
1434 #ifdef __BEOS__
1435 # undef DEFAULT_TERM
1436 # define DEFAULT_TERM	(char_u *)"beos-ansi"
1437 #endif
1438 
1439 #ifndef DEFAULT_TERM
1440 # define DEFAULT_TERM	(char_u *)"dumb"
1441 #endif
1442 
1443 /*
1444  * Term_strings contains currently used terminal output strings.
1445  * It is initialized with the default values by parse_builtin_tcap().
1446  * The values can be changed by setting the option with the same name.
1447  */
1448 char_u *(term_strings[(int)KS_LAST + 1]);
1449 
1450 static int	need_gather = FALSE;	    /* need to fill termleader[] */
1451 static char_u	termleader[256 + 1];	    /* for check_termcode() */
1452 #ifdef FEAT_TERMRESPONSE
1453 static int	check_for_codes = FALSE;    /* check for key code response */
1454 #endif
1455 
1456     static struct builtin_term *
1457 find_builtin_term(term)
1458     char_u	*term;
1459 {
1460     struct builtin_term *p;
1461 
1462     p = builtin_termcaps;
1463     while (p->bt_string != NULL)
1464     {
1465 	if (p->bt_entry == (int)KS_NAME)
1466 	{
1467 #ifdef UNIX
1468 	    if (STRCMP(p->bt_string, "iris-ansi") == 0 && vim_is_iris(term))
1469 		return p;
1470 	    else if (STRCMP(p->bt_string, "xterm") == 0 && vim_is_xterm(term))
1471 		return p;
1472 	    else
1473 #endif
1474 #ifdef VMS
1475 		if (STRCMP(p->bt_string, "vt320") == 0 && vim_is_vt300(term))
1476 		    return p;
1477 		else
1478 #endif
1479 		  if (STRCMP(term, p->bt_string) == 0)
1480 		    return p;
1481 	}
1482 	++p;
1483     }
1484     return p;
1485 }
1486 
1487 /*
1488  * Parsing of the builtin termcap entries.
1489  * Caller should check if 'name' is a valid builtin term.
1490  * The terminal's name is not set, as this is already done in termcapinit().
1491  */
1492     static void
1493 parse_builtin_tcap(term)
1494     char_u  *term;
1495 {
1496     struct builtin_term	    *p;
1497     char_u		    name[2];
1498     int			    term_8bit;
1499 
1500     p = find_builtin_term(term);
1501     term_8bit = term_is_8bit(term);
1502 
1503     /* Do not parse if builtin term not found */
1504     if (p->bt_string == NULL)
1505 	return;
1506 
1507     for (++p; p->bt_entry != (int)KS_NAME && p->bt_entry != BT_EXTRA_KEYS; ++p)
1508     {
1509 	if ((int)p->bt_entry >= 0)	/* KS_xx entry */
1510 	{
1511 	    /* Only set the value if it wasn't set yet. */
1512 	    if (term_strings[p->bt_entry] == NULL
1513 				 || term_strings[p->bt_entry] == empty_option)
1514 	    {
1515 		/* 8bit terminal: use CSI instead of <Esc>[ */
1516 		if (term_8bit && term_7to8bit((char_u *)p->bt_string) != 0)
1517 		{
1518 		    char_u  *s, *t;
1519 
1520 		    s = vim_strsave((char_u *)p->bt_string);
1521 		    if (s != NULL)
1522 		    {
1523 			for (t = s; *t; ++t)
1524 			    if (term_7to8bit(t))
1525 			    {
1526 				*t = term_7to8bit(t);
1527 				STRCPY(t + 1, t + 2);
1528 			    }
1529 			term_strings[p->bt_entry] = s;
1530 			set_term_option_alloced(&term_strings[p->bt_entry]);
1531 		    }
1532 		}
1533 		else
1534 		    term_strings[p->bt_entry] = (char_u *)p->bt_string;
1535 	    }
1536 	}
1537 	else
1538 	{
1539 	    name[0] = KEY2TERMCAP0((int)p->bt_entry);
1540 	    name[1] = KEY2TERMCAP1((int)p->bt_entry);
1541 	    if (find_termcode(name) == NULL)
1542 		add_termcode(name, (char_u *)p->bt_string, term_8bit);
1543 	}
1544     }
1545 }
1546 #if defined(HAVE_TGETENT) || defined(FEAT_TERMRESPONSE)
1547 static void set_color_count __ARGS((int nr));
1548 
1549 /*
1550  * Set number of colors.
1551  * Store it as a number in t_colors.
1552  * Store it as a string in T_CCO (using nr_colors[]).
1553  */
1554     static void
1555 set_color_count(nr)
1556     int		nr;
1557 {
1558     char_u	nr_colors[20];		/* string for number of colors */
1559 
1560     t_colors = nr;
1561     if (t_colors > 1)
1562 	sprintf((char *)nr_colors, "%d", t_colors);
1563     else
1564 	*nr_colors = NUL;
1565     set_string_option_direct((char_u *)"t_Co", -1, nr_colors, OPT_FREE, 0);
1566 }
1567 #endif
1568 
1569 #ifdef HAVE_TGETENT
1570 static char *(key_names[]) =
1571 {
1572 #ifdef FEAT_TERMRESPONSE
1573     /* Do this one first, it may cause a screen redraw. */
1574     "Co",
1575 #endif
1576     "ku", "kd", "kr", "kl",
1577 # ifdef ARCHIE
1578     "su", "sd",		/* Termcap code made up! */
1579 # endif
1580     "#2", "#4", "%i", "*7",
1581     "k1", "k2", "k3", "k4", "k5", "k6",
1582     "k7", "k8", "k9", "k;", "F1", "F2",
1583     "%1", "&8", "kb", "kI", "kD", "kh",
1584     "@7", "kP", "kN", "K1", "K3", "K4", "K5", "kB",
1585     NULL
1586 };
1587 #endif
1588 
1589 /*
1590  * Set terminal options for terminal "term".
1591  * Return OK if terminal 'term' was found in a termcap, FAIL otherwise.
1592  *
1593  * While doing this, until ttest(), some options may be NULL, be careful.
1594  */
1595     int
1596 set_termname(term)
1597     char_u *term;
1598 {
1599     struct builtin_term *termp;
1600 #ifdef HAVE_TGETENT
1601     int		builtin_first = p_tbi;
1602     int		try;
1603     int		termcap_cleared = FALSE;
1604 #endif
1605     int		width = 0, height = 0;
1606     char_u	*error_msg = NULL;
1607     char_u	*bs_p, *del_p;
1608 
1609     /* In silect mode (ex -s) we don't use the 'term' option. */
1610     if (silent_mode)
1611 	return OK;
1612 
1613     detected_8bit = FALSE;		/* reset 8-bit detection */
1614 
1615     if (term_is_builtin(term))
1616     {
1617 	term += 8;
1618 #ifdef HAVE_TGETENT
1619 	builtin_first = 1;
1620 #endif
1621     }
1622 
1623 /*
1624  * If HAVE_TGETENT is not defined, only the builtin termcap is used, otherwise:
1625  *   If builtin_first is TRUE:
1626  *     0. try builtin termcap
1627  *     1. try external termcap
1628  *     2. if both fail default to a builtin terminal
1629  *   If builtin_first is FALSE:
1630  *     1. try external termcap
1631  *     2. try builtin termcap, if both fail default to a builtin terminal
1632  */
1633 #ifdef HAVE_TGETENT
1634     for (try = builtin_first ? 0 : 1; try < 3; ++try)
1635     {
1636 	/*
1637 	 * Use external termcap
1638 	 */
1639 	if (try == 1)
1640 	{
1641 	    char_u	    *p;
1642 	    static char_u   tstrbuf[TBUFSZ];
1643 	    int		    i;
1644 	    char_u	    tbuf[TBUFSZ];
1645 	    char_u	    *tp;
1646 	    static struct {
1647 			    enum SpecialKey dest; /* index in term_strings[] */
1648 			    char *name;		  /* termcap name for string */
1649 			  } string_names[] =
1650 			    {	{KS_CE, "ce"}, {KS_AL, "al"}, {KS_CAL,"AL"},
1651 				{KS_DL, "dl"}, {KS_CDL,"DL"}, {KS_CS, "cs"},
1652 				{KS_CL, "cl"}, {KS_CD, "cd"},
1653 				{KS_VI, "vi"}, {KS_VE, "ve"}, {KS_MB, "mb"},
1654 				{KS_VS, "vs"}, {KS_ME, "me"}, {KS_MR, "mr"},
1655 				{KS_MD, "md"}, {KS_SE, "se"}, {KS_SO, "so"},
1656 				{KS_CZH,"ZH"}, {KS_CZR,"ZR"}, {KS_UE, "ue"},
1657 				{KS_US, "us"}, {KS_UCE, "Ce"}, {KS_UCS, "Cs"},
1658 				{KS_CM, "cm"}, {KS_SR, "sr"},
1659 				{KS_CRI,"RI"}, {KS_VB, "vb"}, {KS_KS, "ks"},
1660 				{KS_KE, "ke"}, {KS_TI, "ti"}, {KS_TE, "te"},
1661 				{KS_BC, "bc"}, {KS_CSB,"Sb"}, {KS_CSF,"Sf"},
1662 				{KS_CAB,"AB"}, {KS_CAF,"AF"}, {KS_LE, "le"},
1663 				{KS_ND, "nd"}, {KS_OP, "op"}, {KS_CRV, "RV"},
1664 				{KS_CIS, "IS"}, {KS_CIE, "IE"},
1665 				{KS_TS, "ts"}, {KS_FS, "fs"},
1666 				{KS_CWP, "WP"}, {KS_CWS, "WS"},
1667 				{KS_CSI, "SI"}, {KS_CEI, "EI"},
1668 				{(enum SpecialKey)0, NULL}
1669 			    };
1670 
1671 	    /*
1672 	     * If the external termcap does not have a matching entry, try the
1673 	     * builtin ones.
1674 	     */
1675 	    if ((error_msg = tgetent_error(tbuf, term)) == NULL)
1676 	    {
1677 		tp = tstrbuf;
1678 		if (!termcap_cleared)
1679 		{
1680 		    clear_termoptions();	/* clear old options */
1681 		    termcap_cleared = TRUE;
1682 		}
1683 
1684 	    /* get output strings */
1685 		for (i = 0; string_names[i].name != NULL; ++i)
1686 		{
1687 		    if (term_str(string_names[i].dest) == NULL
1688 			    || term_str(string_names[i].dest) == empty_option)
1689 			term_str(string_names[i].dest) =
1690 					   TGETSTR(string_names[i].name, &tp);
1691 		}
1692 
1693 		/* tgetflag() returns 1 if the flag is present, 0 if not and
1694 		 * possibly -1 if the flag doesn't exist. */
1695 		if ((T_MS == NULL || T_MS == empty_option)
1696 							&& tgetflag("ms") > 0)
1697 		    T_MS = (char_u *)"y";
1698 		if ((T_XS == NULL || T_XS == empty_option)
1699 							&& tgetflag("xs") > 0)
1700 		    T_XS = (char_u *)"y";
1701 		if ((T_DB == NULL || T_DB == empty_option)
1702 							&& tgetflag("db") > 0)
1703 		    T_DB = (char_u *)"y";
1704 		if ((T_DA == NULL || T_DA == empty_option)
1705 							&& tgetflag("da") > 0)
1706 		    T_DA = (char_u *)"y";
1707 		if ((T_UT == NULL || T_UT == empty_option)
1708 							&& tgetflag("ut") > 0)
1709 		    T_UT = (char_u *)"y";
1710 
1711 
1712 		/*
1713 		 * get key codes
1714 		 */
1715 		for (i = 0; key_names[i] != NULL; ++i)
1716 		{
1717 		    if (find_termcode((char_u *)key_names[i]) == NULL)
1718 		    {
1719 			p = TGETSTR(key_names[i], &tp);
1720 			/* if cursor-left == backspace, ignore it (televideo
1721 			 * 925) */
1722 			if (p != NULL
1723 				&& (*p != Ctrl_H
1724 				    || key_names[i][0] != 'k'
1725 				    || key_names[i][1] != 'l'))
1726 			    add_termcode((char_u *)key_names[i], p, FALSE);
1727 		    }
1728 		}
1729 
1730 		if (height == 0)
1731 		    height = tgetnum("li");
1732 		if (width == 0)
1733 		    width = tgetnum("co");
1734 
1735 		/*
1736 		 * Get number of colors (if not done already).
1737 		 */
1738 		if (term_str(KS_CCO) == NULL
1739 			|| term_str(KS_CCO) == empty_option)
1740 		    set_color_count(tgetnum("Co"));
1741 
1742 # ifndef hpux
1743 		BC = (char *)TGETSTR("bc", &tp);
1744 		UP = (char *)TGETSTR("up", &tp);
1745 		p = TGETSTR("pc", &tp);
1746 		if (p)
1747 		    PC = *p;
1748 # endif /* hpux */
1749 	    }
1750 	}
1751 	else	    /* try == 0 || try == 2 */
1752 #endif /* HAVE_TGETENT */
1753 	/*
1754 	 * Use builtin termcap
1755 	 */
1756 	{
1757 #ifdef HAVE_TGETENT
1758 	    /*
1759 	     * If builtin termcap was already used, there is no need to search
1760 	     * for the builtin termcap again, quit now.
1761 	     */
1762 	    if (try == 2 && builtin_first && termcap_cleared)
1763 		break;
1764 #endif
1765 	    /*
1766 	     * search for 'term' in builtin_termcaps[]
1767 	     */
1768 	    termp = find_builtin_term(term);
1769 	    if (termp->bt_string == NULL)	/* did not find it */
1770 	    {
1771 #ifdef HAVE_TGETENT
1772 		/*
1773 		 * If try == 0, first try the external termcap. If that is not
1774 		 * found we'll get back here with try == 2.
1775 		 * If termcap_cleared is set we used the external termcap,
1776 		 * don't complain about not finding the term in the builtin
1777 		 * termcap.
1778 		 */
1779 		if (try == 0)			/* try external one */
1780 		    continue;
1781 		if (termcap_cleared)		/* found in external termcap */
1782 		    break;
1783 #endif
1784 
1785 		mch_errmsg("\r\n");
1786 		if (error_msg != NULL)
1787 		{
1788 		    mch_errmsg((char *)error_msg);
1789 		    mch_errmsg("\r\n");
1790 		}
1791 		mch_errmsg("'");
1792 		mch_errmsg((char *)term);
1793 		mch_errmsg(_("' not known. Available builtin terminals are:"));
1794 		mch_errmsg("\r\n");
1795 		for (termp = &(builtin_termcaps[0]); termp->bt_string != NULL;
1796 								      ++termp)
1797 		{
1798 		    if (termp->bt_entry == (int)KS_NAME)
1799 		    {
1800 #ifdef HAVE_TGETENT
1801 			mch_errmsg("    builtin_");
1802 #else
1803 			mch_errmsg("    ");
1804 #endif
1805 			mch_errmsg(termp->bt_string);
1806 			mch_errmsg("\r\n");
1807 		    }
1808 		}
1809 		/* when user typed :set term=xxx, quit here */
1810 		if (starting != NO_SCREEN)
1811 		{
1812 		    screen_start();	/* don't know where cursor is now */
1813 		    wait_return(TRUE);
1814 		    return FAIL;
1815 		}
1816 		term = DEFAULT_TERM;
1817 		mch_errmsg(_("defaulting to '"));
1818 		mch_errmsg((char *)term);
1819 		mch_errmsg("'\r\n");
1820 		if (emsg_silent == 0)
1821 		{
1822 		    screen_start();	/* don't know where cursor is now */
1823 		    out_flush();
1824 		    ui_delay(2000L, TRUE);
1825 		}
1826 		set_string_option_direct((char_u *)"term", -1, term,
1827 								 OPT_FREE, 0);
1828 		display_errors();
1829 	    }
1830 	    out_flush();
1831 #ifdef HAVE_TGETENT
1832 	    if (!termcap_cleared)
1833 	    {
1834 #endif
1835 		clear_termoptions();	    /* clear old options */
1836 #ifdef HAVE_TGETENT
1837 		termcap_cleared = TRUE;
1838 	    }
1839 #endif
1840 	    parse_builtin_tcap(term);
1841 #ifdef FEAT_GUI
1842 	    if (term_is_gui(term))
1843 	    {
1844 		out_flush();
1845 		gui_init();
1846 		/* If starting the GUI failed, don't do any of the other
1847 		 * things for this terminal */
1848 		if (!gui.in_use)
1849 		    return FAIL;
1850 #ifdef HAVE_TGETENT
1851 		break;		/* don't try using external termcap */
1852 #endif
1853 	    }
1854 #endif /* FEAT_GUI */
1855 	}
1856 #ifdef HAVE_TGETENT
1857     }
1858 #endif
1859 
1860 /*
1861  * special: There is no info in the termcap about whether the cursor
1862  * positioning is relative to the start of the screen or to the start of the
1863  * scrolling region.  We just guess here. Only msdos pcterm is known to do it
1864  * relative.
1865  */
1866     if (STRCMP(term, "pcterm") == 0)
1867 	T_CCS = (char_u *)"yes";
1868     else
1869 	T_CCS = empty_option;
1870 
1871 #ifdef UNIX
1872 /*
1873  * Any "stty" settings override the default for t_kb from the termcap.
1874  * This is in os_unix.c, because it depends a lot on the version of unix that
1875  * is being used.
1876  * Don't do this when the GUI is active, it uses "t_kb" and "t_kD" directly.
1877  */
1878 #ifdef FEAT_GUI
1879     if (!gui.in_use)
1880 #endif
1881 	get_stty();
1882 #endif
1883 
1884 /*
1885  * If the termcap has no entry for 'bs' and/or 'del' and the ioctl() also
1886  * didn't work, use the default CTRL-H
1887  * The default for t_kD is DEL, unless t_kb is DEL.
1888  * The vim_strsave'd strings are probably lost forever, well it's only two
1889  * bytes.  Don't do this when the GUI is active, it uses "t_kb" and "t_kD"
1890  * directly.
1891  */
1892 #ifdef FEAT_GUI
1893     if (!gui.in_use)
1894 #endif
1895     {
1896 	bs_p = find_termcode((char_u *)"kb");
1897 	del_p = find_termcode((char_u *)"kD");
1898 	if (bs_p == NULL || *bs_p == NUL)
1899 	    add_termcode((char_u *)"kb", (bs_p = (char_u *)CTRL_H_STR), FALSE);
1900 	if ((del_p == NULL || *del_p == NUL) &&
1901 					    (bs_p == NULL || *bs_p != DEL))
1902 	    add_termcode((char_u *)"kD", (char_u *)DEL_STR, FALSE);
1903     }
1904 
1905 #if defined(UNIX) || defined(VMS)
1906     term_is_xterm = vim_is_xterm(term);
1907 #endif
1908 
1909 #ifdef FEAT_MOUSE
1910 # if defined(UNIX) || defined(VMS)
1911 #  ifdef FEAT_MOUSE_TTY
1912     /*
1913      * For Unix, set the 'ttymouse' option to the type of mouse to be used.
1914      * The termcode for the mouse is added as a side effect in option.c.
1915      */
1916     {
1917 	char_u	*p;
1918 
1919 	p = (char_u *)"";
1920 #  ifdef FEAT_MOUSE_XTERM
1921 #   ifdef FEAT_CLIPBOARD
1922 #    ifdef FEAT_GUI
1923 	if (!gui.in_use)
1924 #    endif
1925 	    clip_init(FALSE);
1926 #   endif
1927 	if (use_xterm_like_mouse(term))
1928 	{
1929 	    if (use_xterm_mouse())
1930 		p = NULL;	/* keep existing value, might be "xterm2" */
1931 	    else
1932 		p = (char_u *)"xterm";
1933 	}
1934 #  endif
1935 	if (p != NULL)
1936 	    set_option_value((char_u *)"ttym", 0L, p, 0);
1937 	if (p == NULL
1938 #   ifdef FEAT_GUI
1939 		|| gui.in_use
1940 #   endif
1941 		)
1942 	    check_mouse_termcode();	/* set mouse termcode anyway */
1943     }
1944 #  endif
1945 # else
1946     set_mouse_termcode(KS_MOUSE, (char_u *)"\233M");
1947 # endif
1948 #endif	/* FEAT_MOUSE */
1949 
1950 #ifdef FEAT_SNIFF
1951     {
1952 	char_u	name[2];
1953 
1954 	name[0] = (int)KS_EXTRA;
1955 	name[1] = (int)KE_SNIFF;
1956 	add_termcode(name, (char_u *)"\233sniff", FALSE);
1957     }
1958 #endif
1959 
1960 #ifdef USE_TERM_CONSOLE
1961     /* DEFAULT_TERM indicates that it is the machine console. */
1962     if (STRCMP(term, DEFAULT_TERM) != 0)
1963 	term_console = FALSE;
1964     else
1965     {
1966 	term_console = TRUE;
1967 # ifdef AMIGA
1968 	win_resize_on();	/* enable window resizing reports */
1969 # endif
1970     }
1971 #endif
1972 
1973 #if defined(UNIX) || defined(VMS)
1974     /*
1975      * 'ttyfast' is default on for xterm, iris-ansi and a few others.
1976      */
1977     if (vim_is_fastterm(term))
1978 	p_tf = TRUE;
1979 #endif
1980 #ifdef USE_TERM_CONSOLE
1981     /*
1982      * 'ttyfast' is default on consoles
1983      */
1984     if (term_console)
1985 	p_tf = TRUE;
1986 #endif
1987 
1988     ttest(TRUE);	/* make sure we have a valid set of terminal codes */
1989 
1990     full_screen = TRUE;		/* we can use termcap codes from now on */
1991     set_term_defaults();	/* use current values as defaults */
1992 #ifdef FEAT_TERMRESPONSE
1993     crv_status = CRV_GET;	/* Get terminal version later */
1994 #endif
1995 
1996     /*
1997      * Initialize the terminal with the appropriate termcap codes.
1998      * Set the mouse and window title if possible.
1999      * Don't do this when starting, need to parse the .vimrc first, because it
2000      * may redefine t_TI etc.
2001      */
2002     if (starting != NO_SCREEN)
2003     {
2004 	starttermcap();		/* may change terminal mode */
2005 #ifdef FEAT_MOUSE
2006 	setmouse();		/* may start using the mouse */
2007 #endif
2008 #ifdef FEAT_TITLE
2009 	maketitle();		/* may display window title */
2010 #endif
2011     }
2012 
2013 	/* display initial screen after ttest() checking. jw. */
2014     if (width <= 0 || height <= 0)
2015     {
2016 	/* termcap failed to report size */
2017 	/* set defaults, in case ui_get_shellsize() also fails */
2018 	width = 80;
2019 #if defined(MSDOS) || defined(WIN3264)
2020 	height = 25;	    /* console is often 25 lines */
2021 #else
2022 	height = 24;	    /* most terminals are 24 lines */
2023 #endif
2024     }
2025     set_shellsize(width, height, FALSE);	/* may change Rows */
2026     if (starting != NO_SCREEN)
2027     {
2028 	if (scroll_region)
2029 	    scroll_region_reset();		/* In case Rows changed */
2030 	check_map_keycodes();	/* check mappings for terminal codes used */
2031 
2032 #ifdef FEAT_AUTOCMD
2033 	{
2034 	    buf_T	*old_curbuf;
2035 
2036 	    /*
2037 	     * Execute the TermChanged autocommands for each buffer that is
2038 	     * loaded.
2039 	     */
2040 	    old_curbuf = curbuf;
2041 	    for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next)
2042 	    {
2043 		if (curbuf->b_ml.ml_mfp != NULL)
2044 		    apply_autocmds(EVENT_TERMCHANGED, NULL, NULL, FALSE,
2045 								      curbuf);
2046 	    }
2047 	    if (buf_valid(old_curbuf))
2048 		curbuf = old_curbuf;
2049 	}
2050 #endif
2051     }
2052 
2053 #ifdef FEAT_TERMRESPONSE
2054     may_req_termresponse();
2055 #endif
2056 
2057     return OK;
2058 }
2059 
2060 #if defined(FEAT_MOUSE) || defined(PROTO)
2061 
2062 # ifdef FEAT_MOUSE_TTY
2063 #  define HMT_NORMAL	1
2064 #  define HMT_NETTERM	2
2065 #  define HMT_DEC	4
2066 #  define HMT_JSBTERM	8
2067 #  define HMT_PTERM	16
2068 static int has_mouse_termcode = 0;
2069 # endif
2070 
2071 # if (!defined(UNIX) || defined(FEAT_MOUSE_TTY)) || defined(PROTO)
2072     void
2073 set_mouse_termcode(n, s)
2074     int		n;	/* KS_MOUSE, KS_NETTERM_MOUSE or KS_DEC_MOUSE */
2075     char_u	*s;
2076 {
2077     char_u	name[2];
2078 
2079     name[0] = n;
2080     name[1] = KE_FILLER;
2081     add_termcode(name, s, FALSE);
2082 #  ifdef FEAT_MOUSE_TTY
2083 #   ifdef FEAT_MOUSE_JSB
2084     if (n == KS_JSBTERM_MOUSE)
2085 	has_mouse_termcode |= HMT_JSBTERM;
2086     else
2087 #   endif
2088 #   ifdef FEAT_MOUSE_NET
2089     if (n == KS_NETTERM_MOUSE)
2090 	has_mouse_termcode |= HMT_NETTERM;
2091     else
2092 #   endif
2093 #   ifdef FEAT_MOUSE_DEC
2094     if (n == KS_DEC_MOUSE)
2095 	has_mouse_termcode |= HMT_DEC;
2096     else
2097 #   endif
2098 #   ifdef FEAT_MOUSE_PTERM
2099     if (n == KS_PTERM_MOUSE)
2100 	has_mouse_termcode |= HMT_PTERM;
2101     else
2102 #   endif
2103 	has_mouse_termcode |= HMT_NORMAL;
2104 #  endif
2105 }
2106 # endif
2107 
2108 # if ((defined(UNIX) || defined(VMS) || defined(OS2)) \
2109 	&& defined(FEAT_MOUSE_TTY)) || defined(PROTO)
2110     void
2111 del_mouse_termcode(n)
2112     int		n;	/* KS_MOUSE, KS_NETTERM_MOUSE or KS_DEC_MOUSE */
2113 {
2114     char_u	name[2];
2115 
2116     name[0] = n;
2117     name[1] = KE_FILLER;
2118     del_termcode(name);
2119 #  ifdef FEAT_MOUSE_TTY
2120 #   ifdef FEAT_MOUSE_JSB
2121     if (n == KS_JSBTERM_MOUSE)
2122 	has_mouse_termcode &= ~HMT_JSBTERM;
2123     else
2124 #   endif
2125 #   ifdef FEAT_MOUSE_NET
2126     if (n == KS_NETTERM_MOUSE)
2127 	has_mouse_termcode &= ~HMT_NETTERM;
2128     else
2129 #   endif
2130 #   ifdef FEAT_MOUSE_DEC
2131     if (n == KS_DEC_MOUSE)
2132 	has_mouse_termcode &= ~HMT_DEC;
2133     else
2134 #   endif
2135 #   ifdef FEAT_MOUSE_PTERM
2136     if (n == KS_PTERM_MOUSE)
2137 	has_mouse_termcode &= ~HMT_PTERM;
2138     else
2139 #   endif
2140 	has_mouse_termcode &= ~HMT_NORMAL;
2141 #  endif
2142 }
2143 # endif
2144 #endif
2145 
2146 #ifdef HAVE_TGETENT
2147 /*
2148  * Call tgetent()
2149  * Return error message if it fails, NULL if it's OK.
2150  */
2151     static char_u *
2152 tgetent_error(tbuf, term)
2153     char_u  *tbuf;
2154     char_u  *term;
2155 {
2156     int	    i;
2157 
2158     i = TGETENT(tbuf, term);
2159     if (i < 0		    /* -1 is always an error */
2160 # ifdef TGETENT_ZERO_ERR
2161 	    || i == 0	    /* sometimes zero is also an error */
2162 # endif
2163        )
2164     {
2165 	/* On FreeBSD tputs() gets a SEGV after a tgetent() which fails.  Call
2166 	 * tgetent() with the always existing "dumb" entry to avoid a crash or
2167 	 * hang. */
2168 	(void)TGETENT(tbuf, "dumb");
2169 
2170 	if (i < 0)
2171 # ifdef TGETENT_ZERO_ERR
2172 	    return (char_u *)_("E557: Cannot open termcap file");
2173 	if (i == 0)
2174 # endif
2175 #ifdef TERMINFO
2176 	    return (char_u *)_("E558: Terminal entry not found in terminfo");
2177 #else
2178 	    return (char_u *)_("E559: Terminal entry not found in termcap");
2179 #endif
2180     }
2181     return NULL;
2182 }
2183 
2184 /*
2185  * Some versions of tgetstr() have been reported to return -1 instead of NULL.
2186  * Fix that here.
2187  */
2188     static char_u *
2189 vim_tgetstr(s, pp)
2190     char	*s;
2191     char_u	**pp;
2192 {
2193     char	*p;
2194 
2195     p = tgetstr(s, (char **)pp);
2196     if (p == (char *)-1)
2197 	p = NULL;
2198     return (char_u *)p;
2199 }
2200 #endif /* HAVE_TGETENT */
2201 
2202 #if defined(HAVE_TGETENT) && (defined(UNIX) || defined(__EMX__) || defined(VMS) || defined(MACOS_X))
2203 /*
2204  * Get Columns and Rows from the termcap. Used after a window signal if the
2205  * ioctl() fails. It doesn't make sense to call tgetent each time if the "co"
2206  * and "li" entries never change. But on some systems this works.
2207  * Errors while getting the entries are ignored.
2208  */
2209     void
2210 getlinecol(cp, rp)
2211     long	*cp;	/* pointer to columns */
2212     long	*rp;	/* pointer to rows */
2213 {
2214     char_u	tbuf[TBUFSZ];
2215 
2216     if (T_NAME != NULL && *T_NAME != NUL && tgetent_error(tbuf, T_NAME) == NULL)
2217     {
2218 	if (*cp == 0)
2219 	    *cp = tgetnum("co");
2220 	if (*rp == 0)
2221 	    *rp = tgetnum("li");
2222     }
2223 }
2224 #endif /* defined(HAVE_TGETENT) && defined(UNIX) */
2225 
2226 /*
2227  * Get a string entry from the termcap and add it to the list of termcodes.
2228  * Used for <t_xx> special keys.
2229  * Give an error message for failure when not sourcing.
2230  * If force given, replace an existing entry.
2231  * Return FAIL if the entry was not found, OK if the entry was added.
2232  */
2233     int
2234 add_termcap_entry(name, force)
2235     char_u  *name;
2236     int	    force;
2237 {
2238     char_u  *term;
2239     int	    key;
2240     struct builtin_term *termp;
2241 #ifdef HAVE_TGETENT
2242     char_u  *string;
2243     int	    i;
2244     int	    builtin_first;
2245     char_u  tbuf[TBUFSZ];
2246     char_u  tstrbuf[TBUFSZ];
2247     char_u  *tp = tstrbuf;
2248     char_u  *error_msg = NULL;
2249 #endif
2250 
2251 /*
2252  * If the GUI is running or will start in a moment, we only support the keys
2253  * that the GUI can produce.
2254  */
2255 #ifdef FEAT_GUI
2256     if (gui.in_use || gui.starting)
2257 	return gui_mch_haskey(name);
2258 #endif
2259 
2260     if (!force && find_termcode(name) != NULL)	    /* it's already there */
2261 	return OK;
2262 
2263     term = T_NAME;
2264     if (term == NULL || *term == NUL)	    /* 'term' not defined yet */
2265 	return FAIL;
2266 
2267     if (term_is_builtin(term))		    /* name starts with "builtin_" */
2268     {
2269 	term += 8;
2270 #ifdef HAVE_TGETENT
2271 	builtin_first = TRUE;
2272 #endif
2273     }
2274 #ifdef HAVE_TGETENT
2275     else
2276 	builtin_first = p_tbi;
2277 #endif
2278 
2279 #ifdef HAVE_TGETENT
2280 /*
2281  * We can get the entry from the builtin termcap and from the external one.
2282  * If 'ttybuiltin' is on or the terminal name starts with "builtin_", try
2283  * builtin termcap first.
2284  * If 'ttybuiltin' is off, try external termcap first.
2285  */
2286     for (i = 0; i < 2; ++i)
2287     {
2288 	if (!builtin_first == i)
2289 #endif
2290 	/*
2291 	 * Search in builtin termcap
2292 	 */
2293 	{
2294 	    termp = find_builtin_term(term);
2295 	    if (termp->bt_string != NULL)	/* found it */
2296 	    {
2297 		key = TERMCAP2KEY(name[0], name[1]);
2298 		while (termp->bt_entry != (int)KS_NAME)
2299 		{
2300 		    if ((int)termp->bt_entry == key)
2301 		    {
2302 			add_termcode(name, (char_u *)termp->bt_string,
2303 							  term_is_8bit(term));
2304 			return OK;
2305 		    }
2306 		    ++termp;
2307 		}
2308 	    }
2309 	}
2310 #ifdef HAVE_TGETENT
2311 	else
2312 	/*
2313 	 * Search in external termcap
2314 	 */
2315 	{
2316 	    error_msg = tgetent_error(tbuf, term);
2317 	    if (error_msg == NULL)
2318 	    {
2319 		string = TGETSTR((char *)name, &tp);
2320 		if (string != NULL && *string != NUL)
2321 		{
2322 		    add_termcode(name, string, FALSE);
2323 		    return OK;
2324 		}
2325 	    }
2326 	}
2327     }
2328 #endif
2329 
2330     if (sourcing_name == NULL)
2331     {
2332 #ifdef HAVE_TGETENT
2333 	if (error_msg != NULL)
2334 	    EMSG(error_msg);
2335 	else
2336 #endif
2337 	    EMSG2(_("E436: No \"%s\" entry in termcap"), name);
2338     }
2339     return FAIL;
2340 }
2341 
2342     static int
2343 term_is_builtin(name)
2344     char_u  *name;
2345 {
2346     return (STRNCMP(name, "builtin_", (size_t)8) == 0);
2347 }
2348 
2349 /*
2350  * Return TRUE if terminal "name" uses CSI instead of <Esc>[.
2351  * Assume that the terminal is using 8-bit controls when the name contains
2352  * "8bit", like in "xterm-8bit".
2353  */
2354     int
2355 term_is_8bit(name)
2356     char_u  *name;
2357 {
2358     return (detected_8bit || strstr((char *)name, "8bit") != NULL);
2359 }
2360 
2361 /*
2362  * Translate terminal control chars from 7-bit to 8-bit:
2363  * <Esc>[ -> CSI
2364  * <Esc>] -> <M-C-]>
2365  * <Esc>O -> <M-C-O>
2366  */
2367     static int
2368 term_7to8bit(p)
2369     char_u  *p;
2370 {
2371     if (*p == ESC)
2372     {
2373 	if (p[1] == '[')
2374 	    return CSI;
2375 	if (p[1] == ']')
2376 	    return 0x9d;
2377 	if (p[1] == 'O')
2378 	    return 0x8f;
2379     }
2380     return 0;
2381 }
2382 
2383 #ifdef FEAT_GUI
2384     int
2385 term_is_gui(name)
2386     char_u  *name;
2387 {
2388     return (STRCMP(name, "builtin_gui") == 0 || STRCMP(name, "gui") == 0);
2389 }
2390 #endif
2391 
2392 #if !defined(HAVE_TGETENT) || defined(AMIGA) || defined(PROTO)
2393 
2394     char_u *
2395 tltoa(i)
2396     unsigned long i;
2397 {
2398     static char_u buf[16];
2399     char_u	*p;
2400 
2401     p = buf + 15;
2402     *p = '\0';
2403     do
2404     {
2405 	--p;
2406 	*p = (char_u) (i % 10 + '0');
2407 	i /= 10;
2408     }
2409     while (i > 0 && p > buf);
2410     return p;
2411 }
2412 #endif
2413 
2414 #ifndef HAVE_TGETENT
2415 
2416 /*
2417  * minimal tgoto() implementation.
2418  * no padding and we only parse for %i %d and %+char
2419  */
2420 static char *tgoto __ARGS((char *, int, int));
2421 
2422     static char *
2423 tgoto(cm, x, y)
2424     char *cm;
2425     int x, y;
2426 {
2427     static char buf[30];
2428     char *p, *s, *e;
2429 
2430     if (!cm)
2431 	return "OOPS";
2432     e = buf + 29;
2433     for (s = buf; s < e && *cm; cm++)
2434     {
2435 	if (*cm != '%')
2436 	{
2437 	    *s++ = *cm;
2438 	    continue;
2439 	}
2440 	switch (*++cm)
2441 	{
2442 	case 'd':
2443 	    p = (char *)tltoa((unsigned long)y);
2444 	    y = x;
2445 	    while (*p)
2446 		*s++ = *p++;
2447 	    break;
2448 	case 'i':
2449 	    x++;
2450 	    y++;
2451 	    break;
2452 	case '+':
2453 	    *s++ = (char)(*++cm + y);
2454 	    y = x;
2455 	    break;
2456 	case '%':
2457 	    *s++ = *cm;
2458 	    break;
2459 	default:
2460 	    return "OOPS";
2461 	}
2462     }
2463     *s = '\0';
2464     return buf;
2465 }
2466 
2467 #endif /* HAVE_TGETENT */
2468 
2469 /*
2470  * Set the terminal name and initialize the terminal options.
2471  * If "name" is NULL or empty, get the terminal name from the environment.
2472  * If that fails, use the default terminal name.
2473  */
2474     void
2475 termcapinit(name)
2476     char_u *name;
2477 {
2478     char_u	*term;
2479 
2480     if (name != NULL && *name == NUL)
2481 	name = NULL;	    /* empty name is equal to no name */
2482     term = name;
2483 
2484 #ifdef __BEOS__
2485     /*
2486      * TERM environment variable is normally set to 'ansi' on the Bebox;
2487      * Since the BeBox doesn't quite support full ANSI yet, we use our
2488      * own custom 'ansi-beos' termcap instead, unless the -T option has
2489      * been given on the command line.
2490      */
2491     if (term == NULL
2492 		 && strcmp((char *)mch_getenv((char_u *)"TERM"), "ansi") == 0)
2493 	term = DEFAULT_TERM;
2494 #endif
2495 #ifndef MSWIN
2496     if (term == NULL)
2497 	term = mch_getenv((char_u *)"TERM");
2498 #endif
2499     if (term == NULL || *term == NUL)
2500 	term = DEFAULT_TERM;
2501     set_string_option_direct((char_u *)"term", -1, term, OPT_FREE, 0);
2502 
2503     /* Set the default terminal name. */
2504     set_string_default("term", term);
2505     set_string_default("ttytype", term);
2506 
2507     /*
2508      * Avoid using "term" here, because the next mch_getenv() may overwrite it.
2509      */
2510     set_termname(T_NAME != NULL ? T_NAME : term);
2511 }
2512 
2513 /*
2514  * the number of calls to ui_write is reduced by using the buffer "out_buf"
2515  */
2516 #ifdef DOS16
2517 # define OUT_SIZE	255		/* only have 640K total... */
2518 #else
2519 # ifdef FEAT_GUI_W16
2520 #  define OUT_SIZE	1023		/* Save precious 1K near data */
2521 # else
2522 #  define OUT_SIZE	2047
2523 # endif
2524 #endif
2525 	    /* Add one to allow mch_write() in os_win32.c to append a NUL */
2526 static char_u		out_buf[OUT_SIZE + 1];
2527 static int		out_pos = 0;	/* number of chars in out_buf */
2528 
2529 /*
2530  * out_flush(): flush the output buffer
2531  */
2532     void
2533 out_flush()
2534 {
2535     int	    len;
2536 
2537     if (out_pos != 0)
2538     {
2539 	/* set out_pos to 0 before ui_write, to avoid recursiveness */
2540 	len = out_pos;
2541 	out_pos = 0;
2542 	ui_write(out_buf, len);
2543     }
2544 }
2545 
2546 #if defined(FEAT_MBYTE) || defined(PROTO)
2547 /*
2548  * Sometimes a byte out of a multi-byte character is written with out_char().
2549  * To avoid flushing half of the character, call this function first.
2550  */
2551     void
2552 out_flush_check()
2553 {
2554     if (enc_dbcs != 0 && out_pos >= OUT_SIZE - MB_MAXBYTES)
2555 	out_flush();
2556 }
2557 #endif
2558 
2559 #ifdef FEAT_GUI
2560 /*
2561  * out_trash(): Throw away the contents of the output buffer
2562  */
2563     void
2564 out_trash()
2565 {
2566     out_pos = 0;
2567 }
2568 #endif
2569 
2570 /*
2571  * out_char(c): put a byte into the output buffer.
2572  *		Flush it if it becomes full.
2573  * This should not be used for outputting text on the screen (use functions
2574  * like msg_puts() and screen_putchar() for that).
2575  */
2576     void
2577 out_char(c)
2578     unsigned	c;
2579 {
2580 #if defined(UNIX) || defined(VMS) || defined(AMIGA) || defined(MACOS_X_UNIX)
2581     if (c == '\n')	/* turn LF into CR-LF (CRMOD doesn't seem to do this) */
2582 	out_char('\r');
2583 #endif
2584 
2585     out_buf[out_pos++] = c;
2586 
2587     /* For testing we flush each time. */
2588     if (out_pos >= OUT_SIZE || p_wd)
2589 	out_flush();
2590 }
2591 
2592 static void out_char_nf __ARGS((unsigned));
2593 
2594 /*
2595  * out_char_nf(c): like out_char(), but don't flush when p_wd is set
2596  */
2597     static void
2598 out_char_nf(c)
2599     unsigned	c;
2600 {
2601 #if defined(UNIX) || defined(VMS) || defined(AMIGA) || defined(MACOS_X_UNIX)
2602     if (c == '\n')	/* turn LF into CR-LF (CRMOD doesn't seem to do this) */
2603 	out_char_nf('\r');
2604 #endif
2605 
2606     out_buf[out_pos++] = c;
2607 
2608     if (out_pos >= OUT_SIZE)
2609 	out_flush();
2610 }
2611 
2612 /*
2613  * A never-padding out_str.
2614  * use this whenever you don't want to run the string through tputs.
2615  * tputs above is harmless, but tputs from the termcap library
2616  * is likely to strip off leading digits, that it mistakes for padding
2617  * information, and "%i", "%d", etc.
2618  * This should only be used for writing terminal codes, not for outputting
2619  * normal text (use functions like msg_puts() and screen_putchar() for that).
2620  */
2621     void
2622 out_str_nf(s)
2623     char_u *s;
2624 {
2625     if (out_pos > OUT_SIZE - 20)  /* avoid terminal strings being split up */
2626 	out_flush();
2627     while (*s)
2628 	out_char_nf(*s++);
2629 
2630     /* For testing we write one string at a time. */
2631     if (p_wd)
2632 	out_flush();
2633 }
2634 
2635 /*
2636  * out_str(s): Put a character string a byte at a time into the output buffer.
2637  * If HAVE_TGETENT is defined use the termcap parser. (jw)
2638  * This should only be used for writing terminal codes, not for outputting
2639  * normal text (use functions like msg_puts() and screen_putchar() for that).
2640  */
2641     void
2642 out_str(s)
2643     char_u	 *s;
2644 {
2645     if (s != NULL && *s)
2646     {
2647 #ifdef FEAT_GUI
2648 	/* Don't use tputs() when GUI is used, ncurses crashes. */
2649 	if (gui.in_use)
2650 	{
2651 	    out_str_nf(s);
2652 	    return;
2653 	}
2654 #endif
2655 	/* avoid terminal strings being split up */
2656 	if (out_pos > OUT_SIZE - 20)
2657 	    out_flush();
2658 #ifdef HAVE_TGETENT
2659 	tputs((char *)s, 1, TPUTSFUNCAST out_char_nf);
2660 #else
2661 	while (*s)
2662 	    out_char_nf(*s++);
2663 #endif
2664 
2665 	/* For testing we write one string at a time. */
2666 	if (p_wd)
2667 	    out_flush();
2668     }
2669 }
2670 
2671 /*
2672  * cursor positioning using termcap parser. (jw)
2673  */
2674     void
2675 term_windgoto(row, col)
2676     int	    row;
2677     int	    col;
2678 {
2679     OUT_STR(tgoto((char *)T_CM, col, row));
2680 }
2681 
2682     void
2683 term_cursor_right(i)
2684     int	    i;
2685 {
2686     OUT_STR(tgoto((char *)T_CRI, 0, i));
2687 }
2688 
2689     void
2690 term_append_lines(line_count)
2691     int	    line_count;
2692 {
2693     OUT_STR(tgoto((char *)T_CAL, 0, line_count));
2694 }
2695 
2696     void
2697 term_delete_lines(line_count)
2698     int	    line_count;
2699 {
2700     OUT_STR(tgoto((char *)T_CDL, 0, line_count));
2701 }
2702 
2703 #if defined(HAVE_TGETENT) || defined(PROTO)
2704     void
2705 term_set_winpos(x, y)
2706     int	    x;
2707     int	    y;
2708 {
2709     /* Can't handle a negative value here */
2710     if (x < 0)
2711 	x = 0;
2712     if (y < 0)
2713 	y = 0;
2714     OUT_STR(tgoto((char *)T_CWP, y, x));
2715 }
2716 
2717     void
2718 term_set_winsize(width, height)
2719     int	    width;
2720     int	    height;
2721 {
2722     OUT_STR(tgoto((char *)T_CWS, height, width));
2723 }
2724 #endif
2725 
2726     void
2727 term_fg_color(n)
2728     int	    n;
2729 {
2730     /* Use "AF" termcap entry if present, "Sf" entry otherwise */
2731     if (*T_CAF)
2732 	term_color(T_CAF, n);
2733     else if (*T_CSF)
2734 	term_color(T_CSF, n);
2735 }
2736 
2737     void
2738 term_bg_color(n)
2739     int	    n;
2740 {
2741     /* Use "AB" termcap entry if present, "Sb" entry otherwise */
2742     if (*T_CAB)
2743 	term_color(T_CAB, n);
2744     else if (*T_CSB)
2745 	term_color(T_CSB, n);
2746 }
2747 
2748     static void
2749 term_color(s, n)
2750     char_u	*s;
2751     int		n;
2752 {
2753     char	buf[20];
2754     int i = 2;	/* index in s[] just after <Esc>[ or CSI */
2755 
2756     /* Special handling of 16 colors, because termcap can't handle it */
2757     /* Also accept "\e[3%dm" for TERMINFO, it is sometimes used */
2758     /* Also accept CSI instead of <Esc>[ */
2759     if (n >= 8 && t_colors >= 16
2760 	      && ((s[0] == ESC && s[1] == '[') || (s[0] == CSI && (i = 1) == 1))
2761 	      && s[i] != NUL
2762 	      && (STRCMP(s + i + 1, "%p1%dm") == 0
2763 		  || STRCMP(s + i + 1, "%dm") == 0)
2764 	      && (s[i] == '3' || s[i] == '4'))
2765     {
2766 	sprintf(buf,
2767 #ifdef TERMINFO
2768 		"%s%s%%p1%%dm",
2769 #else
2770 		"%s%s%%dm",
2771 #endif
2772 		i == 2 ? IF_EB("\033[", ESC_STR "[") : "\233",
2773 		s[i] == '3' ? (n >= 16 ? "38;5;" : "9")
2774 			    : (n >= 16 ? "48;5;" : "10"));
2775 	OUT_STR(tgoto(buf, 0, n >= 16 ? n : n - 8));
2776     }
2777     else
2778 	OUT_STR(tgoto((char *)s, 0, n));
2779 }
2780 
2781 #if (defined(FEAT_TITLE) && (defined(UNIX) || defined(OS2) || defined(VMS) || defined(MACOS_X))) || defined(PROTO)
2782 /*
2783  * Generic function to set window title, using t_ts and t_fs.
2784  */
2785     void
2786 term_settitle(title)
2787     char_u	*title;
2788 {
2789     /* t_ts takes one argument: column in status line */
2790     OUT_STR(tgoto((char *)T_TS, 0, 0));	/* set title start */
2791     out_str_nf(title);
2792     out_str(T_FS);			/* set title end */
2793     out_flush();
2794 }
2795 #endif
2796 
2797 /*
2798  * Make sure we have a valid set or terminal options.
2799  * Replace all entries that are NULL by empty_option
2800  */
2801     void
2802 ttest(pairs)
2803     int	pairs;
2804 {
2805     check_options();		    /* make sure no options are NULL */
2806 
2807     /*
2808      * MUST have "cm": cursor motion.
2809      */
2810     if (*T_CM == NUL)
2811 	EMSG(_("E437: terminal capability \"cm\" required"));
2812 
2813     /*
2814      * if "cs" defined, use a scroll region, it's faster.
2815      */
2816     if (*T_CS != NUL)
2817 	scroll_region = TRUE;
2818     else
2819 	scroll_region = FALSE;
2820 
2821     if (pairs)
2822     {
2823 	/*
2824 	 * optional pairs
2825 	 */
2826 	/* TP goes to normal mode for TI (invert) and TB (bold) */
2827 	if (*T_ME == NUL)
2828 	    T_ME = T_MR = T_MD = T_MB = empty_option;
2829 	if (*T_SO == NUL || *T_SE == NUL)
2830 	    T_SO = T_SE = empty_option;
2831 	if (*T_US == NUL || *T_UE == NUL)
2832 	    T_US = T_UE = empty_option;
2833 	if (*T_CZH == NUL || *T_CZR == NUL)
2834 	    T_CZH = T_CZR = empty_option;
2835 
2836 	/* T_VE is needed even though T_VI is not defined */
2837 	if (*T_VE == NUL)
2838 	    T_VI = empty_option;
2839 
2840 	/* if 'mr' or 'me' is not defined use 'so' and 'se' */
2841 	if (*T_ME == NUL)
2842 	{
2843 	    T_ME = T_SE;
2844 	    T_MR = T_SO;
2845 	    T_MD = T_SO;
2846 	}
2847 
2848 	/* if 'so' or 'se' is not defined use 'mr' and 'me' */
2849 	if (*T_SO == NUL)
2850 	{
2851 	    T_SE = T_ME;
2852 	    if (*T_MR == NUL)
2853 		T_SO = T_MD;
2854 	    else
2855 		T_SO = T_MR;
2856 	}
2857 
2858 	/* if 'ZH' or 'ZR' is not defined use 'mr' and 'me' */
2859 	if (*T_CZH == NUL)
2860 	{
2861 	    T_CZR = T_ME;
2862 	    if (*T_MR == NUL)
2863 		T_CZH = T_MD;
2864 	    else
2865 		T_CZH = T_MR;
2866 	}
2867 
2868 	/* "Sb" and "Sf" come in pairs */
2869 	if (*T_CSB == NUL || *T_CSF == NUL)
2870 	{
2871 	    T_CSB = empty_option;
2872 	    T_CSF = empty_option;
2873 	}
2874 
2875 	/* "AB" and "AF" come in pairs */
2876 	if (*T_CAB == NUL || *T_CAF == NUL)
2877 	{
2878 	    T_CAB = empty_option;
2879 	    T_CAF = empty_option;
2880 	}
2881 
2882 	/* if 'Sb' and 'AB' are not defined, reset "Co" */
2883 	if (*T_CSB == NUL && *T_CAB == NUL)
2884 	    free_one_termoption(T_CCO);
2885 
2886 	/* Set 'weirdinvert' according to value of 't_xs' */
2887 	p_wiv = (*T_XS != NUL);
2888     }
2889     need_gather = TRUE;
2890 
2891     /* Set t_colors to the value of t_Co. */
2892     t_colors = atoi((char *)T_CCO);
2893 }
2894 
2895 #if (defined(FEAT_GUI) && (defined(FEAT_MENU) || !defined(USE_ON_FLY_SCROLL))) \
2896 	|| defined(PROTO)
2897 /*
2898  * Represent the given long_u as individual bytes, with the most significant
2899  * byte first, and store them in dst.
2900  */
2901     void
2902 add_long_to_buf(val, dst)
2903     long_u  val;
2904     char_u  *dst;
2905 {
2906     int	    i;
2907     int	    shift;
2908 
2909     for (i = 1; i <= (int)sizeof(long_u); i++)
2910     {
2911 	shift = 8 * (sizeof(long_u) - i);
2912 	dst[i - 1] = (char_u) ((val >> shift) & 0xff);
2913     }
2914 }
2915 
2916 static int get_long_from_buf __ARGS((char_u *buf, long_u *val));
2917 
2918 /*
2919  * Interpret the next string of bytes in buf as a long integer, with the most
2920  * significant byte first.  Note that it is assumed that buf has been through
2921  * inchar(), so that NUL and K_SPECIAL will be represented as three bytes each.
2922  * Puts result in val, and returns the number of bytes read from buf
2923  * (between sizeof(long_u) and 2 * sizeof(long_u)), or -1 if not enough bytes
2924  * were present.
2925  */
2926     static int
2927 get_long_from_buf(buf, val)
2928     char_u  *buf;
2929     long_u  *val;
2930 {
2931     int	    len;
2932     char_u  bytes[sizeof(long_u)];
2933     int	    i;
2934     int	    shift;
2935 
2936     *val = 0;
2937     len = get_bytes_from_buf(buf, bytes, (int)sizeof(long_u));
2938     if (len != -1)
2939     {
2940 	for (i = 0; i < (int)sizeof(long_u); i++)
2941 	{
2942 	    shift = 8 * (sizeof(long_u) - 1 - i);
2943 	    *val += (long_u)bytes[i] << shift;
2944 	}
2945     }
2946     return len;
2947 }
2948 #endif
2949 
2950 #if defined(FEAT_GUI) \
2951     || (defined(FEAT_MOUSE) && (!defined(UNIX) || defined(FEAT_MOUSE_XTERM) \
2952 		|| defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)))
2953 /*
2954  * Read the next num_bytes bytes from buf, and store them in bytes.  Assume
2955  * that buf has been through inchar().	Returns the actual number of bytes used
2956  * from buf (between num_bytes and num_bytes*2), or -1 if not enough bytes were
2957  * available.
2958  */
2959     static int
2960 get_bytes_from_buf(buf, bytes, num_bytes)
2961     char_u  *buf;
2962     char_u  *bytes;
2963     int	    num_bytes;
2964 {
2965     int	    len = 0;
2966     int	    i;
2967     char_u  c;
2968 
2969     for (i = 0; i < num_bytes; i++)
2970     {
2971 	if ((c = buf[len++]) == NUL)
2972 	    return -1;
2973 	if (c == K_SPECIAL)
2974 	{
2975 	    if (buf[len] == NUL || buf[len + 1] == NUL)	    /* cannot happen? */
2976 		return -1;
2977 	    if (buf[len++] == (int)KS_ZERO)
2978 		c = NUL;
2979 	    ++len;	/* skip KE_FILLER */
2980 	    /* else it should be KS_SPECIAL, and c already equals K_SPECIAL */
2981 	}
2982 	else if (c == CSI && buf[len] == KS_EXTRA
2983 					       && buf[len + 1] == (int)KE_CSI)
2984 	    /* CSI is stored as CSI KS_SPECIAL KE_CSI to avoid confusion with
2985 	     * the start of a special key, see add_to_input_buf_csi(). */
2986 	    len += 2;
2987 	bytes[i] = c;
2988     }
2989     return len;
2990 }
2991 #endif
2992 
2993 /*
2994  * Check if the new shell size is valid, correct it if it's too small.
2995  */
2996     void
2997 check_shellsize()
2998 {
2999     if (Columns < MIN_COLUMNS)
3000 	Columns = MIN_COLUMNS;
3001     if (Rows < min_rows())	/* need room for one window and command line */
3002 	Rows = min_rows();
3003 }
3004 
3005 /*
3006  * Invoked just before the screen structures are going to be (re)allocated.
3007  */
3008     void
3009 win_new_shellsize()
3010 {
3011     static int	old_Rows = 0;
3012     static int	old_Columns = 0;
3013 
3014     if (old_Rows != Rows || old_Columns != Columns)
3015 	ui_new_shellsize();
3016     if (old_Rows != Rows)
3017     {
3018 	/* if 'window' uses the whole screen, keep it using that */
3019 	if (p_window == old_Rows - 1 || old_Rows == 0)
3020 	    p_window = Rows - 1;
3021 	old_Rows = Rows;
3022 	shell_new_rows();	/* update window sizes */
3023     }
3024     if (old_Columns != Columns)
3025     {
3026 	old_Columns = Columns;
3027 #ifdef FEAT_VERTSPLIT
3028 	shell_new_columns();	/* update window sizes */
3029 #endif
3030     }
3031 }
3032 
3033 /*
3034  * Call this function when the Vim shell has been resized in any way.
3035  * Will obtain the current size and redraw (also when size didn't change).
3036  */
3037     void
3038 shell_resized()
3039 {
3040     set_shellsize(0, 0, FALSE);
3041 }
3042 
3043 /*
3044  * Check if the shell size changed.  Handle a resize.
3045  * When the size didn't change, nothing happens.
3046  */
3047     void
3048 shell_resized_check()
3049 {
3050     int		old_Rows = Rows;
3051     int		old_Columns = Columns;
3052 
3053     (void)ui_get_shellsize();
3054     check_shellsize();
3055     if (old_Rows != Rows || old_Columns != Columns)
3056 	shell_resized();
3057 }
3058 
3059 /*
3060  * Set size of the Vim shell.
3061  * If 'mustset' is TRUE, we must set Rows and Columns, do not get the real
3062  * window size (this is used for the :win command).
3063  * If 'mustset' is FALSE, we may try to get the real window size and if
3064  * it fails use 'width' and 'height'.
3065  */
3066     void
3067 set_shellsize(width, height, mustset)
3068     int	    width, height;
3069     int	    mustset;
3070 {
3071     static int		busy = FALSE;
3072 
3073     /*
3074      * Avoid recursiveness, can happen when setting the window size causes
3075      * another window-changed signal.
3076      */
3077     if (busy)
3078 	return;
3079 
3080     if (width < 0 || height < 0)    /* just checking... */
3081 	return;
3082 
3083     if (State == HITRETURN || State == SETWSIZE) /* postpone the resizing */
3084     {
3085 	State = SETWSIZE;
3086 	return;
3087     }
3088 
3089     ++busy;
3090 
3091 #ifdef AMIGA
3092     out_flush();	    /* must do this before mch_get_shellsize() for
3093 			       some obscure reason */
3094 #endif
3095 
3096     if (mustset || (ui_get_shellsize() == FAIL && height != 0))
3097     {
3098 	Rows = height;
3099 	Columns = width;
3100 	check_shellsize();
3101 	ui_set_shellsize(mustset);
3102     }
3103     else
3104 	check_shellsize();
3105 
3106     /* The window layout used to be adjusted here, but it now happens in
3107      * screenalloc() (also invoked from screenclear()).  That is because the
3108      * "busy" check above may skip this, but not screenalloc(). */
3109 
3110     if (State != ASKMORE && State != EXTERNCMD && State != CONFIRM)
3111 	screenclear();
3112     else
3113 	screen_start();	    /* don't know where cursor is now */
3114 
3115     if (starting != NO_SCREEN)
3116     {
3117 #ifdef FEAT_TITLE
3118 	maketitle();
3119 #endif
3120 	changed_line_abv_curs();
3121 	invalidate_botline();
3122 
3123 	/*
3124 	 * We only redraw when it's needed:
3125 	 * - While at the more prompt or executing an external command, don't
3126 	 *   redraw, but position the cursor.
3127 	 * - While editing the command line, only redraw that.
3128 	 * - in Ex mode, don't redraw anything.
3129 	 * - Otherwise, redraw right now, and position the cursor.
3130 	 * Always need to call update_screen() or screenalloc(), to make
3131 	 * sure Rows/Columns and the size of ScreenLines[] is correct!
3132 	 */
3133 	if (State == ASKMORE || State == EXTERNCMD || State == CONFIRM
3134 							     || exmode_active)
3135 	{
3136 	    screenalloc(FALSE);
3137 	    repeat_message();
3138 	}
3139 	else
3140 	{
3141 #ifdef FEAT_SCROLLBIND
3142 	    if (curwin->w_p_scb)
3143 		do_check_scrollbind(TRUE);
3144 #endif
3145 	    if (State & CMDLINE)
3146 	    {
3147 		update_screen(NOT_VALID);
3148 		redrawcmdline();
3149 	    }
3150 	    else
3151 	    {
3152 		update_topline();
3153 #if defined(FEAT_INS_EXPAND)
3154 		if (pum_visible())
3155 		{
3156 		    redraw_later(NOT_VALID);
3157 		    ins_compl_show_pum(); /* This includes the redraw. */
3158 		}
3159 		else
3160 #endif
3161 		    update_screen(NOT_VALID);
3162 		if (redrawing())
3163 		    setcursor();
3164 	    }
3165 	}
3166 	cursor_on();	    /* redrawing may have switched it off */
3167     }
3168     out_flush();
3169     --busy;
3170 }
3171 
3172 /*
3173  * Set the terminal to TMODE_RAW (for Normal mode) or TMODE_COOK (for external
3174  * commands and Ex mode).
3175  */
3176     void
3177 settmode(tmode)
3178     int	 tmode;
3179 {
3180 #ifdef FEAT_GUI
3181     /* don't set the term where gvim was started to any mode */
3182     if (gui.in_use)
3183 	return;
3184 #endif
3185 
3186     if (full_screen)
3187     {
3188 	/*
3189 	 * When returning after calling a shell we want to really set the
3190 	 * terminal to raw mode, even though we think it already is, because
3191 	 * the shell program may have reset the terminal mode.
3192 	 * When we think the terminal is normal, don't try to set it to
3193 	 * normal again, because that causes problems (logout!) on some
3194 	 * machines.
3195 	 */
3196 	if (tmode != TMODE_COOK || cur_tmode != TMODE_COOK)
3197 	{
3198 #ifdef FEAT_TERMRESPONSE
3199 # ifdef FEAT_GUI
3200 	    if (!gui.in_use && !gui.starting)
3201 # endif
3202 	    {
3203 		/* May need to check for T_CRV response and termcodes, it
3204 		 * doesn't work in Cooked mode, an external program may get
3205 		 * them. */
3206 		if (tmode != TMODE_RAW && crv_status == CRV_SENT)
3207 		    (void)vpeekc_nomap();
3208 		check_for_codes_from_term();
3209 	    }
3210 #endif
3211 #ifdef FEAT_MOUSE_TTY
3212 	    if (tmode != TMODE_RAW)
3213 		mch_setmouse(FALSE);		/* switch mouse off */
3214 #endif
3215 	    out_flush();
3216 	    mch_settmode(tmode);    /* machine specific function */
3217 	    cur_tmode = tmode;
3218 #ifdef FEAT_MOUSE
3219 	    if (tmode == TMODE_RAW)
3220 		setmouse();			/* may switch mouse on */
3221 #endif
3222 	    out_flush();
3223 	}
3224 #ifdef FEAT_TERMRESPONSE
3225 	may_req_termresponse();
3226 #endif
3227     }
3228 }
3229 
3230     void
3231 starttermcap()
3232 {
3233     if (full_screen && !termcap_active)
3234     {
3235 	out_str(T_TI);			/* start termcap mode */
3236 	out_str(T_KS);			/* start "keypad transmit" mode */
3237 	out_flush();
3238 	termcap_active = TRUE;
3239 	screen_start();			/* don't know where cursor is now */
3240 #ifdef FEAT_TERMRESPONSE
3241 # ifdef FEAT_GUI
3242 	if (!gui.in_use && !gui.starting)
3243 # endif
3244 	{
3245 	    may_req_termresponse();
3246 	    /* Immediately check for a response.  If t_Co changes, we don't
3247 	     * want to redraw with wrong colors first. */
3248 	    if (crv_status != CRV_GET)
3249 		check_for_codes_from_term();
3250 	}
3251 #endif
3252     }
3253 }
3254 
3255     void
3256 stoptermcap()
3257 {
3258     screen_stop_highlight();
3259     reset_cterm_colors();
3260     if (termcap_active)
3261     {
3262 #ifdef FEAT_TERMRESPONSE
3263 # ifdef FEAT_GUI
3264 	if (!gui.in_use && !gui.starting)
3265 # endif
3266 	{
3267 	    /* May need to check for T_CRV response. */
3268 	    if (crv_status == CRV_SENT)
3269 		(void)vpeekc_nomap();
3270 	    /* Check for termcodes first, otherwise an external program may
3271 	     * get them. */
3272 	    check_for_codes_from_term();
3273 	}
3274 #endif
3275 	out_str(T_KE);			/* stop "keypad transmit" mode */
3276 	out_flush();
3277 	termcap_active = FALSE;
3278 	cursor_on();			/* just in case it is still off */
3279 	out_str(T_TE);			/* stop termcap mode */
3280 	screen_start();			/* don't know where cursor is now */
3281 	out_flush();
3282     }
3283 }
3284 
3285 #if defined(FEAT_TERMRESPONSE) || defined(PROTO)
3286 /*
3287  * Request version string (for xterm) when needed.
3288  * Only do this after switching to raw mode, otherwise the result will be
3289  * echoed.
3290  * Only do this after startup has finished, to avoid that the response comes
3291  * while executing "-c !cmd" or even after "-c quit".
3292  * Only do this after termcap mode has been started, otherwise the codes for
3293  * the cursor keys may be wrong.
3294  * Only do this when 'esckeys' is on, otherwise the response causes trouble in
3295  * Insert mode.
3296  * On Unix only do it when both output and input are a tty (avoid writing
3297  * request to terminal while reading from a file).
3298  * The result is caught in check_termcode().
3299  */
3300     void
3301 may_req_termresponse()
3302 {
3303     if (crv_status == CRV_GET
3304 	    && cur_tmode == TMODE_RAW
3305 	    && starting == 0
3306 	    && termcap_active
3307 	    && p_ek
3308 # ifdef UNIX
3309 	    && isatty(1)
3310 	    && isatty(read_cmd_fd)
3311 # endif
3312 	    && *T_CRV != NUL)
3313     {
3314 	out_str(T_CRV);
3315 	crv_status = CRV_SENT;
3316 	/* check for the characters now, otherwise they might be eaten by
3317 	 * get_keystroke() */
3318 	out_flush();
3319 	(void)vpeekc_nomap();
3320     }
3321 }
3322 #endif
3323 
3324 /*
3325  * Return TRUE when saving and restoring the screen.
3326  */
3327     int
3328 swapping_screen()
3329 {
3330     return (full_screen && *T_TI != NUL);
3331 }
3332 
3333 #ifdef FEAT_MOUSE
3334 /*
3335  * setmouse() - switch mouse on/off depending on current mode and 'mouse'
3336  */
3337     void
3338 setmouse()
3339 {
3340 # ifdef FEAT_MOUSE_TTY
3341     int	    checkfor;
3342 # endif
3343 
3344 # ifdef FEAT_MOUSESHAPE
3345     update_mouseshape(-1);
3346 # endif
3347 
3348 # ifdef FEAT_MOUSE_TTY /* Should be outside proc, but may break MOUSESHAPE */
3349 #  ifdef FEAT_GUI
3350     /* In the GUI the mouse is always enabled. */
3351     if (gui.in_use)
3352 	return;
3353 #  endif
3354     /* be quick when mouse is off */
3355     if (*p_mouse == NUL || has_mouse_termcode == 0)
3356 	return;
3357 
3358     /* don't switch mouse on when not in raw mode (Ex mode) */
3359     if (cur_tmode != TMODE_RAW)
3360     {
3361 	mch_setmouse(FALSE);
3362 	return;
3363     }
3364 
3365 #  ifdef FEAT_VISUAL
3366     if (VIsual_active)
3367 	checkfor = MOUSE_VISUAL;
3368     else
3369 #  endif
3370 	if (State == HITRETURN || State == ASKMORE || State == SETWSIZE)
3371 	checkfor = MOUSE_RETURN;
3372     else if (State & INSERT)
3373 	checkfor = MOUSE_INSERT;
3374     else if (State & CMDLINE)
3375 	checkfor = MOUSE_COMMAND;
3376     else if (State == CONFIRM || State == EXTERNCMD)
3377 	checkfor = ' '; /* don't use mouse for ":confirm" or ":!cmd" */
3378     else
3379 	checkfor = MOUSE_NORMAL;    /* assume normal mode */
3380 
3381     if (mouse_has(checkfor))
3382 	mch_setmouse(TRUE);
3383     else
3384 	mch_setmouse(FALSE);
3385 # endif
3386 }
3387 
3388 /*
3389  * Return TRUE if
3390  * - "c" is in 'mouse', or
3391  * - 'a' is in 'mouse' and "c" is in MOUSE_A, or
3392  * - the current buffer is a help file and 'h' is in 'mouse' and we are in a
3393  *   normal editing mode (not at hit-return message).
3394  */
3395     int
3396 mouse_has(c)
3397     int	    c;
3398 {
3399     char_u	*p;
3400 
3401     for (p = p_mouse; *p; ++p)
3402 	switch (*p)
3403 	{
3404 	    case 'a': if (vim_strchr((char_u *)MOUSE_A, c) != NULL)
3405 			  return TRUE;
3406 		      break;
3407 	    case MOUSE_HELP: if (c != MOUSE_RETURN && curbuf->b_help)
3408 				 return TRUE;
3409 			     break;
3410 	    default: if (c == *p) return TRUE; break;
3411 	}
3412     return FALSE;
3413 }
3414 
3415 /*
3416  * Return TRUE when 'mousemodel' is set to "popup" or "popup_setpos".
3417  */
3418     int
3419 mouse_model_popup()
3420 {
3421     return (p_mousem[0] == 'p');
3422 }
3423 #endif
3424 
3425 /*
3426  * By outputting the 'cursor very visible' termcap code, for some windowed
3427  * terminals this makes the screen scrolled to the correct position.
3428  * Used when starting Vim or returning from a shell.
3429  */
3430     void
3431 scroll_start()
3432 {
3433     if (*T_VS != NUL)
3434     {
3435 	out_str(T_VS);
3436 	out_str(T_VE);
3437 	screen_start();			/* don't know where cursor is now */
3438     }
3439 }
3440 
3441 static int cursor_is_off = FALSE;
3442 
3443 /*
3444  * Enable the cursor.
3445  */
3446     void
3447 cursor_on()
3448 {
3449     if (cursor_is_off)
3450     {
3451 	out_str(T_VE);
3452 	cursor_is_off = FALSE;
3453     }
3454 }
3455 
3456 /*
3457  * Disable the cursor.
3458  */
3459     void
3460 cursor_off()
3461 {
3462     if (full_screen)
3463     {
3464 	if (!cursor_is_off)
3465 	    out_str(T_VI);	    /* disable cursor */
3466 	cursor_is_off = TRUE;
3467     }
3468 }
3469 
3470 #if defined(CURSOR_SHAPE) || defined(PROTO)
3471 /*
3472  * Set cursor shape to match Insert mode.
3473  */
3474     void
3475 term_cursor_shape()
3476 {
3477     static int showing_insert_mode = MAYBE;
3478 
3479     if (!full_screen || *T_CSI == NUL || *T_CEI == NUL)
3480 	return;
3481 
3482     if (State & INSERT)
3483     {
3484 	if (showing_insert_mode != TRUE)
3485 	    out_str(T_CSI);	    /* Insert mode cursor */
3486 	showing_insert_mode = TRUE;
3487     }
3488     else
3489     {
3490 	if (showing_insert_mode != FALSE)
3491 	    out_str(T_CEI);	    /* non-Insert mode cursor */
3492 	showing_insert_mode = FALSE;
3493     }
3494 }
3495 #endif
3496 
3497 /*
3498  * Set scrolling region for window 'wp'.
3499  * The region starts 'off' lines from the start of the window.
3500  * Also set the vertical scroll region for a vertically split window.  Always
3501  * the full width of the window, excluding the vertical separator.
3502  */
3503     void
3504 scroll_region_set(wp, off)
3505     win_T	*wp;
3506     int		off;
3507 {
3508     OUT_STR(tgoto((char *)T_CS, W_WINROW(wp) + wp->w_height - 1,
3509 							 W_WINROW(wp) + off));
3510 #ifdef FEAT_VERTSPLIT
3511     if (*T_CSV != NUL && wp->w_width != Columns)
3512 	OUT_STR(tgoto((char *)T_CSV, W_WINCOL(wp) + wp->w_width - 1,
3513 							       W_WINCOL(wp)));
3514 #endif
3515     screen_start();		    /* don't know where cursor is now */
3516 }
3517 
3518 /*
3519  * Reset scrolling region to the whole screen.
3520  */
3521     void
3522 scroll_region_reset()
3523 {
3524     OUT_STR(tgoto((char *)T_CS, (int)Rows - 1, 0));
3525 #ifdef FEAT_VERTSPLIT
3526     if (*T_CSV != NUL)
3527 	OUT_STR(tgoto((char *)T_CSV, (int)Columns - 1, 0));
3528 #endif
3529     screen_start();		    /* don't know where cursor is now */
3530 }
3531 
3532 
3533 /*
3534  * List of terminal codes that are currently recognized.
3535  */
3536 
3537 static struct termcode
3538 {
3539     char_u  name[2];	    /* termcap name of entry */
3540     char_u  *code;	    /* terminal code (in allocated memory) */
3541     int	    len;	    /* STRLEN(code) */
3542     int	    modlen;	    /* length of part before ";*~". */
3543 } *termcodes = NULL;
3544 
3545 static int  tc_max_len = 0; /* number of entries that termcodes[] can hold */
3546 static int  tc_len = 0;	    /* current number of entries in termcodes[] */
3547 
3548 static int termcode_star __ARGS((char_u *code, int len));
3549 
3550     void
3551 clear_termcodes()
3552 {
3553     while (tc_len > 0)
3554 	vim_free(termcodes[--tc_len].code);
3555     vim_free(termcodes);
3556     termcodes = NULL;
3557     tc_max_len = 0;
3558 
3559 #ifdef HAVE_TGETENT
3560     BC = (char *)empty_option;
3561     UP = (char *)empty_option;
3562     PC = NUL;			/* set pad character to NUL */
3563     ospeed = 0;
3564 #endif
3565 
3566     need_gather = TRUE;		/* need to fill termleader[] */
3567 }
3568 
3569 #define ATC_FROM_TERM 55
3570 
3571 /*
3572  * Add a new entry to the list of terminal codes.
3573  * The list is kept alphabetical for ":set termcap"
3574  * "flags" is TRUE when replacing 7-bit by 8-bit controls is desired.
3575  * "flags" can also be ATC_FROM_TERM for got_code_from_term().
3576  */
3577     void
3578 add_termcode(name, string, flags)
3579     char_u	*name;
3580     char_u	*string;
3581     int		flags;
3582 {
3583     struct termcode *new_tc;
3584     int		    i, j;
3585     char_u	    *s;
3586     int		    len;
3587 
3588     if (string == NULL || *string == NUL)
3589     {
3590 	del_termcode(name);
3591 	return;
3592     }
3593 
3594     s = vim_strsave(string);
3595     if (s == NULL)
3596 	return;
3597 
3598     /* Change leading <Esc>[ to CSI, change <Esc>O to <M-O>. */
3599     if (flags != 0 && flags != ATC_FROM_TERM && term_7to8bit(string) != 0)
3600     {
3601 	STRMOVE(s, s + 1);
3602 	s[0] = term_7to8bit(string);
3603     }
3604     len = (int)STRLEN(s);
3605 
3606     need_gather = TRUE;		/* need to fill termleader[] */
3607 
3608     /*
3609      * need to make space for more entries
3610      */
3611     if (tc_len == tc_max_len)
3612     {
3613 	tc_max_len += 20;
3614 	new_tc = (struct termcode *)alloc(
3615 			    (unsigned)(tc_max_len * sizeof(struct termcode)));
3616 	if (new_tc == NULL)
3617 	{
3618 	    tc_max_len -= 20;
3619 	    return;
3620 	}
3621 	for (i = 0; i < tc_len; ++i)
3622 	    new_tc[i] = termcodes[i];
3623 	vim_free(termcodes);
3624 	termcodes = new_tc;
3625     }
3626 
3627     /*
3628      * Look for existing entry with the same name, it is replaced.
3629      * Look for an existing entry that is alphabetical higher, the new entry
3630      * is inserted in front of it.
3631      */
3632     for (i = 0; i < tc_len; ++i)
3633     {
3634 	if (termcodes[i].name[0] < name[0])
3635 	    continue;
3636 	if (termcodes[i].name[0] == name[0])
3637 	{
3638 	    if (termcodes[i].name[1] < name[1])
3639 		continue;
3640 	    /*
3641 	     * Exact match: May replace old code.
3642 	     */
3643 	    if (termcodes[i].name[1] == name[1])
3644 	    {
3645 		if (flags == ATC_FROM_TERM && (j = termcode_star(
3646 				    termcodes[i].code, termcodes[i].len)) > 0)
3647 		{
3648 		    /* Don't replace ESC[123;*X or ESC O*X with another when
3649 		     * invoked from got_code_from_term(). */
3650 		    if (len == termcodes[i].len - j
3651 			    && STRNCMP(s, termcodes[i].code, len - 1) == 0
3652 			    && s[len - 1]
3653 				   == termcodes[i].code[termcodes[i].len - 1])
3654 		    {
3655 			/* They are equal but for the ";*": don't add it. */
3656 			vim_free(s);
3657 			return;
3658 		    }
3659 		}
3660 		else
3661 		{
3662 		    /* Replace old code. */
3663 		    vim_free(termcodes[i].code);
3664 		    --tc_len;
3665 		    break;
3666 		}
3667 	    }
3668 	}
3669 	/*
3670 	 * Found alphabetical larger entry, move rest to insert new entry
3671 	 */
3672 	for (j = tc_len; j > i; --j)
3673 	    termcodes[j] = termcodes[j - 1];
3674 	break;
3675     }
3676 
3677     termcodes[i].name[0] = name[0];
3678     termcodes[i].name[1] = name[1];
3679     termcodes[i].code = s;
3680     termcodes[i].len = len;
3681 
3682     /* For xterm we recognize special codes like "ESC[42;*X" and "ESC O*X" that
3683      * accept modifiers. */
3684     termcodes[i].modlen = 0;
3685     j = termcode_star(s, len);
3686     if (j > 0)
3687 	termcodes[i].modlen = len - 1 - j;
3688     ++tc_len;
3689 }
3690 
3691 /*
3692  * Check termcode "code[len]" for ending in ;*X, <Esc>O*X or <M-O>*X.
3693  * The "X" can be any character.
3694  * Return 0 if not found, 2 for ;*X and 1 for O*X and <M-O>*X.
3695  */
3696     static int
3697 termcode_star(code, len)
3698     char_u	*code;
3699     int		len;
3700 {
3701     /* Shortest is <M-O>*X.  With ; shortest is <CSI>1;*X */
3702     if (len >= 3 && code[len - 2] == '*')
3703     {
3704 	if (len >= 5 && code[len - 3] == ';')
3705 	    return 2;
3706 	if ((len >= 4 && code[len - 3] == 'O') || code[len - 3] == 'O' + 128)
3707 	    return 1;
3708     }
3709     return 0;
3710 }
3711 
3712     char_u  *
3713 find_termcode(name)
3714     char_u  *name;
3715 {
3716     int	    i;
3717 
3718     for (i = 0; i < tc_len; ++i)
3719 	if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1])
3720 	    return termcodes[i].code;
3721     return NULL;
3722 }
3723 
3724 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
3725     char_u *
3726 get_termcode(i)
3727     int	    i;
3728 {
3729     if (i >= tc_len)
3730 	return NULL;
3731     return &termcodes[i].name[0];
3732 }
3733 #endif
3734 
3735     void
3736 del_termcode(name)
3737     char_u  *name;
3738 {
3739     int	    i;
3740 
3741     if (termcodes == NULL)	/* nothing there yet */
3742 	return;
3743 
3744     need_gather = TRUE;		/* need to fill termleader[] */
3745 
3746     for (i = 0; i < tc_len; ++i)
3747 	if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1])
3748 	{
3749 	    del_termcode_idx(i);
3750 	    return;
3751 	}
3752     /* not found. Give error message? */
3753 }
3754 
3755     static void
3756 del_termcode_idx(idx)
3757     int		idx;
3758 {
3759     int		i;
3760 
3761     vim_free(termcodes[idx].code);
3762     --tc_len;
3763     for (i = idx; i < tc_len; ++i)
3764 	termcodes[i] = termcodes[i + 1];
3765 }
3766 
3767 #ifdef FEAT_TERMRESPONSE
3768 /*
3769  * Called when detected that the terminal sends 8-bit codes.
3770  * Convert all 7-bit codes to their 8-bit equivalent.
3771  */
3772     static void
3773 switch_to_8bit()
3774 {
3775     int		i;
3776     int		c;
3777 
3778     /* Only need to do something when not already using 8-bit codes. */
3779     if (!term_is_8bit(T_NAME))
3780     {
3781 	for (i = 0; i < tc_len; ++i)
3782 	{
3783 	    c = term_7to8bit(termcodes[i].code);
3784 	    if (c != 0)
3785 	    {
3786 		STRMOVE(termcodes[i].code + 1, termcodes[i].code + 2);
3787 		termcodes[i].code[0] = c;
3788 	    }
3789 	}
3790 	need_gather = TRUE;		/* need to fill termleader[] */
3791     }
3792     detected_8bit = TRUE;
3793 }
3794 #endif
3795 
3796 #ifdef CHECK_DOUBLE_CLICK
3797 static linenr_T orig_topline = 0;
3798 # ifdef FEAT_DIFF
3799 static int orig_topfill = 0;
3800 # endif
3801 #endif
3802 #if (defined(FEAT_WINDOWS) && defined(CHECK_DOUBLE_CLICK)) || defined(PROTO)
3803 /*
3804  * Checking for double clicks ourselves.
3805  * "orig_topline" is used to avoid detecting a double-click when the window
3806  * contents scrolled (e.g., when 'scrolloff' is non-zero).
3807  */
3808 /*
3809  * Set orig_topline.  Used when jumping to another window, so that a double
3810  * click still works.
3811  */
3812     void
3813 set_mouse_topline(wp)
3814     win_T	*wp;
3815 {
3816     orig_topline = wp->w_topline;
3817 # ifdef FEAT_DIFF
3818     orig_topfill = wp->w_topfill;
3819 # endif
3820 }
3821 #endif
3822 
3823 /*
3824  * Check if typebuf.tb_buf[] contains a terminal key code.
3825  * Check from typebuf.tb_buf[typebuf.tb_off] to typebuf.tb_buf[typebuf.tb_off
3826  * + max_offset].
3827  * Return 0 for no match, -1 for partial match, > 0 for full match.
3828  * With a match, the match is removed, the replacement code is inserted in
3829  * typebuf.tb_buf[] and the number of characters in typebuf.tb_buf[] is
3830  * returned.
3831  * When "buf" is not NULL, it is used instead of typebuf.tb_buf[]. "buflen" is
3832  * then the length of the string in buf[].
3833  */
3834     int
3835 check_termcode(max_offset, buf, buflen)
3836     int		max_offset;
3837     char_u	*buf;
3838     int		buflen;
3839 {
3840     char_u	*tp;
3841     char_u	*p;
3842     int		slen = 0;	/* init for GCC */
3843     int		modslen;
3844     int		len;
3845     int		offset;
3846     char_u	key_name[2];
3847     int		modifiers;
3848     int		key;
3849     int		new_slen;
3850     int		extra;
3851     char_u	string[MAX_KEY_CODE_LEN + 1];
3852     int		i, j;
3853     int		idx = 0;
3854 #ifdef FEAT_MOUSE
3855 # if !defined(UNIX) || defined(FEAT_MOUSE_XTERM) || defined(FEAT_GUI) \
3856     || defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)
3857     char_u	bytes[6];
3858     int		num_bytes;
3859 # endif
3860     int		mouse_code = 0;	    /* init for GCC */
3861     int		is_click, is_drag;
3862     int		wheel_code = 0;
3863     int		current_button;
3864     static int	held_button = MOUSE_RELEASE;
3865     static int	orig_num_clicks = 1;
3866     static int	orig_mouse_code = 0x0;
3867 # ifdef CHECK_DOUBLE_CLICK
3868     static int	orig_mouse_col = 0;
3869     static int	orig_mouse_row = 0;
3870     static struct timeval  orig_mouse_time = {0, 0};
3871 					/* time of previous mouse click */
3872     struct timeval  mouse_time;		/* time of current mouse click */
3873     long	timediff;		/* elapsed time in msec */
3874 # endif
3875 #endif
3876     int		cpo_koffset;
3877 #ifdef FEAT_MOUSE_GPM
3878     extern int	gpm_flag; /* gpm library variable */
3879 #endif
3880 
3881     cpo_koffset = (vim_strchr(p_cpo, CPO_KOFFSET) != NULL);
3882 
3883     /*
3884      * Speed up the checks for terminal codes by gathering all first bytes
3885      * used in termleader[].  Often this is just a single <Esc>.
3886      */
3887     if (need_gather)
3888 	gather_termleader();
3889 
3890     /*
3891      * Check at several positions in typebuf.tb_buf[], to catch something like
3892      * "x<Up>" that can be mapped. Stop at max_offset, because characters
3893      * after that cannot be used for mapping, and with @r commands
3894      * typebuf.tb_buf[]
3895      * can become very long.
3896      * This is used often, KEEP IT FAST!
3897      */
3898     for (offset = 0; offset < max_offset; ++offset)
3899     {
3900 	if (buf == NULL)
3901 	{
3902 	    if (offset >= typebuf.tb_len)
3903 		break;
3904 	    tp = typebuf.tb_buf + typebuf.tb_off + offset;
3905 	    len = typebuf.tb_len - offset;	/* length of the input */
3906 	}
3907 	else
3908 	{
3909 	    if (offset >= buflen)
3910 		break;
3911 	    tp = buf + offset;
3912 	    len = buflen - offset;
3913 	}
3914 
3915 	/*
3916 	 * Don't check characters after K_SPECIAL, those are already
3917 	 * translated terminal chars (avoid translating ~@^Hx).
3918 	 */
3919 	if (*tp == K_SPECIAL)
3920 	{
3921 	    offset += 2;	/* there are always 2 extra characters */
3922 	    continue;
3923 	}
3924 
3925 	/*
3926 	 * Skip this position if the character does not appear as the first
3927 	 * character in term_strings. This speeds up a lot, since most
3928 	 * termcodes start with the same character (ESC or CSI).
3929 	 */
3930 	i = *tp;
3931 	for (p = termleader; *p && *p != i; ++p)
3932 	    ;
3933 	if (*p == NUL)
3934 	    continue;
3935 
3936 	/*
3937 	 * Skip this position if p_ek is not set and tp[0] is an ESC and we
3938 	 * are in Insert mode.
3939 	 */
3940 	if (*tp == ESC && !p_ek && (State & INSERT))
3941 	    continue;
3942 
3943 	key_name[0] = NUL;	/* no key name found yet */
3944 	key_name[1] = NUL;	/* no key name found yet */
3945 	modifiers = 0;		/* no modifiers yet */
3946 
3947 #ifdef FEAT_GUI
3948 	if (gui.in_use)
3949 	{
3950 	    /*
3951 	     * GUI special key codes are all of the form [CSI xx].
3952 	     */
3953 	    if (*tp == CSI)	    /* Special key from GUI */
3954 	    {
3955 		if (len < 3)
3956 		    return -1;	    /* Shouldn't happen */
3957 		slen = 3;
3958 		key_name[0] = tp[1];
3959 		key_name[1] = tp[2];
3960 	    }
3961 	}
3962 	else
3963 #endif /* FEAT_GUI */
3964 	{
3965 	    for (idx = 0; idx < tc_len; ++idx)
3966 	    {
3967 		/*
3968 		 * Ignore the entry if we are not at the start of
3969 		 * typebuf.tb_buf[]
3970 		 * and there are not enough characters to make a match.
3971 		 * But only when the 'K' flag is in 'cpoptions'.
3972 		 */
3973 		slen = termcodes[idx].len;
3974 		if (cpo_koffset && offset && len < slen)
3975 		    continue;
3976 		if (STRNCMP(termcodes[idx].code, tp,
3977 				     (size_t)(slen > len ? len : slen)) == 0)
3978 		{
3979 		    if (len < slen)		/* got a partial sequence */
3980 			return -1;		/* need to get more chars */
3981 
3982 		    /*
3983 		     * When found a keypad key, check if there is another key
3984 		     * that matches and use that one.  This makes <Home> to be
3985 		     * found instead of <kHome> when they produce the same
3986 		     * key code.
3987 		     */
3988 		    if (termcodes[idx].name[0] == 'K'
3989 				       && VIM_ISDIGIT(termcodes[idx].name[1]))
3990 		    {
3991 			for (j = idx + 1; j < tc_len; ++j)
3992 			    if (termcodes[j].len == slen &&
3993 				    STRNCMP(termcodes[idx].code,
3994 					    termcodes[j].code, slen) == 0)
3995 			    {
3996 				idx = j;
3997 				break;
3998 			    }
3999 		    }
4000 
4001 		    key_name[0] = termcodes[idx].name[0];
4002 		    key_name[1] = termcodes[idx].name[1];
4003 		    break;
4004 		}
4005 
4006 		/*
4007 		 * Check for code with modifier, like xterm uses:
4008 		 * <Esc>[123;*X  (modslen == slen - 3)
4009 		 * Also <Esc>O*X and <M-O>*X (modslen == slen - 2).
4010 		 * When there is a modifier the * matches a number.
4011 		 * When there is no modifier the ;* or * is omitted.
4012 		 */
4013 		if (termcodes[idx].modlen > 0)
4014 		{
4015 		    modslen = termcodes[idx].modlen;
4016 		    if (cpo_koffset && offset && len < modslen)
4017 			continue;
4018 		    if (STRNCMP(termcodes[idx].code, tp,
4019 				(size_t)(modslen > len ? len : modslen)) == 0)
4020 		    {
4021 			int	    n;
4022 
4023 			if (len <= modslen)	/* got a partial sequence */
4024 			    return -1;		/* need to get more chars */
4025 
4026 			if (tp[modslen] == termcodes[idx].code[slen - 1])
4027 			    slen = modslen + 1;	/* no modifiers */
4028 			else if (tp[modslen] != ';' && modslen == slen - 3)
4029 			    continue;	/* no match */
4030 			else
4031 			{
4032 			    /* Skip over the digits, the final char must
4033 			     * follow. */
4034 			    for (j = slen - 2; j < len && isdigit(tp[j]); ++j)
4035 				;
4036 			    ++j;
4037 			    if (len < j)	/* got a partial sequence */
4038 				return -1;	/* need to get more chars */
4039 			    if (tp[j - 1] != termcodes[idx].code[slen - 1])
4040 				continue;	/* no match */
4041 
4042 			    /* Match!  Convert modifier bits. */
4043 			    n = atoi((char *)tp + slen - 2) - 1;
4044 			    if (n & 1)
4045 				modifiers |= MOD_MASK_SHIFT;
4046 			    if (n & 2)
4047 				modifiers |= MOD_MASK_ALT;
4048 			    if (n & 4)
4049 				modifiers |= MOD_MASK_CTRL;
4050 			    if (n & 8)
4051 				modifiers |= MOD_MASK_META;
4052 
4053 			    slen = j;
4054 			}
4055 			key_name[0] = termcodes[idx].name[0];
4056 			key_name[1] = termcodes[idx].name[1];
4057 			break;
4058 		    }
4059 		}
4060 	    }
4061 	}
4062 
4063 #ifdef FEAT_TERMRESPONSE
4064 	if (key_name[0] == NUL)
4065 	{
4066 	    /* Check for xterm version string: "<Esc>[>{x};{vers};{y}c".  Also
4067 	     * eat other possible responses to t_RV, rxvt returns
4068 	     * "<Esc>[?1;2c".  Also accept CSI instead of <Esc>[.
4069 	     * mrxvt has been reported to have "+" in the version. Assume
4070 	     * the escape sequence ends with a letter or one of "{|}~". */
4071 	    if (*T_CRV != NUL && ((tp[0] == ESC && tp[1] == '[' && len >= 3)
4072 					       || (tp[0] == CSI && len >= 2)))
4073 	    {
4074 		j = 0;
4075 		extra = 0;
4076 		for (i = 2 + (tp[0] != CSI); i < len
4077 				&& !(tp[i] >= '{' && tp[i] <= '~')
4078 				&& !ASCII_ISALPHA(tp[i]); ++i)
4079 		    if (tp[i] == ';' && ++j == 1)
4080 			extra = atoi((char *)tp + i + 1);
4081 		if (i == len)
4082 		    return -1;		/* not enough characters */
4083 
4084 		/* eat it when at least one digit and ending in 'c' */
4085 		if (i > 2 + (tp[0] != CSI) && tp[i] == 'c')
4086 		{
4087 		    crv_status = CRV_GOT;
4088 
4089 		    /* If this code starts with CSI, you can bet that the
4090 		     * terminal uses 8-bit codes. */
4091 		    if (tp[0] == CSI)
4092 			switch_to_8bit();
4093 
4094 		    /* rxvt sends its version number: "20703" is 2.7.3.
4095 		     * Ignore it for when the user has set 'term' to xterm,
4096 		     * even though it's an rxvt. */
4097 		    if (extra > 20000)
4098 			extra = 0;
4099 
4100 		    if (tp[1 + (tp[0] != CSI)] == '>' && j == 2)
4101 		    {
4102 			/* if xterm version >= 95 use mouse dragging */
4103 			if (extra >= 95)
4104 			    set_option_value((char_u *)"ttym", 0L,
4105 						       (char_u *)"xterm2", 0);
4106 			/* if xterm version >= 141 try to get termcap codes */
4107 			if (extra >= 141)
4108 			{
4109 			    check_for_codes = TRUE;
4110 			    need_gather = TRUE;
4111 			    req_codes_from_term();
4112 			}
4113 		    }
4114 # ifdef FEAT_EVAL
4115 		    set_vim_var_string(VV_TERMRESPONSE, tp, i + 1);
4116 # endif
4117 # ifdef FEAT_AUTOCMD
4118 		    apply_autocmds(EVENT_TERMRESPONSE,
4119 						   NULL, NULL, FALSE, curbuf);
4120 # endif
4121 		    key_name[0] = (int)KS_EXTRA;
4122 		    key_name[1] = (int)KE_IGNORE;
4123 		    slen = i + 1;
4124 		}
4125 	    }
4126 
4127 	    /* Check for '<Esc>P1+r<hex bytes><Esc>\'.  A "0" instead of the
4128 	     * "1" means an invalid request. */
4129 	    else if (check_for_codes
4130 		    && ((tp[0] == ESC && tp[1] == 'P' && len >= 2)
4131 			|| tp[0] == DCS))
4132 	    {
4133 		j = 1 + (tp[0] != DCS);
4134 		for (i = j; i < len; ++i)
4135 		    if ((tp[i] == ESC && tp[i + 1] == '\\' && i + 1 < len)
4136 			    || tp[i] == STERM)
4137 		    {
4138 			if (i - j >= 3 && tp[j + 1] == '+' && tp[j + 2] == 'r')
4139 			    got_code_from_term(tp + j, i);
4140 			key_name[0] = (int)KS_EXTRA;
4141 			key_name[1] = (int)KE_IGNORE;
4142 			slen = i + 1 + (tp[i] == ESC);
4143 			break;
4144 		    }
4145 
4146 		if (i == len)
4147 		    return -1;		/* not enough characters */
4148 	    }
4149 	}
4150 #endif
4151 
4152 	if (key_name[0] == NUL)
4153 	    continue;	    /* No match at this position, try next one */
4154 
4155 	/* We only get here when we have a complete termcode match */
4156 
4157 #ifdef FEAT_MOUSE
4158 # ifdef FEAT_GUI
4159 	/*
4160 	 * Only in the GUI: Fetch the pointer coordinates of the scroll event
4161 	 * so that we know which window to scroll later.
4162 	 */
4163 	if (gui.in_use
4164 		&& key_name[0] == (int)KS_EXTRA
4165 		&& (key_name[1] == (int)KE_X1MOUSE
4166 		    || key_name[1] == (int)KE_X2MOUSE
4167 		    || key_name[1] == (int)KE_MOUSEDOWN
4168 		    || key_name[1] == (int)KE_MOUSEUP))
4169 	{
4170 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 4);
4171 	    if (num_bytes == -1)	/* not enough coordinates */
4172 		return -1;
4173 	    mouse_col = 128 * (bytes[0] - ' ' - 1) + bytes[1] - ' ' - 1;
4174 	    mouse_row = 128 * (bytes[2] - ' ' - 1) + bytes[3] - ' ' - 1;
4175 	    slen += num_bytes;
4176 	}
4177 	else
4178 # endif
4179 	/*
4180 	 * If it is a mouse click, get the coordinates.
4181 	 */
4182 	if (key_name[0] == (int)KS_MOUSE
4183 # ifdef FEAT_MOUSE_JSB
4184 		|| key_name[0] == (int)KS_JSBTERM_MOUSE
4185 # endif
4186 # ifdef FEAT_MOUSE_NET
4187 		|| key_name[0] == (int)KS_NETTERM_MOUSE
4188 # endif
4189 # ifdef FEAT_MOUSE_DEC
4190 		|| key_name[0] == (int)KS_DEC_MOUSE
4191 # endif
4192 # ifdef FEAT_MOUSE_PTERM
4193 		|| key_name[0] == (int)KS_PTERM_MOUSE
4194 # endif
4195 		)
4196 	{
4197 	    is_click = is_drag = FALSE;
4198 
4199 # if !defined(UNIX) || defined(FEAT_MOUSE_XTERM) || defined(FEAT_GUI) \
4200 	    || defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)
4201 	    if (key_name[0] == (int)KS_MOUSE)
4202 	    {
4203 		/*
4204 		 * For xterm and MSDOS we get "<t_mouse>scr", where
4205 		 *  s == encoded button state:
4206 		 *	   0x20 = left button down
4207 		 *	   0x21 = middle button down
4208 		 *	   0x22 = right button down
4209 		 *	   0x23 = any button release
4210 		 *	   0x60 = button 4 down (scroll wheel down)
4211 		 *	   0x61 = button 5 down (scroll wheel up)
4212 		 *	add 0x04 for SHIFT
4213 		 *	add 0x08 for ALT
4214 		 *	add 0x10 for CTRL
4215 		 *	add 0x20 for mouse drag (0x40 is drag with left button)
4216 		 *  c == column + ' ' + 1 == column + 33
4217 		 *  r == row + ' ' + 1 == row + 33
4218 		 *
4219 		 * The coordinates are passed on through global variables.
4220 		 * Ugly, but this avoids trouble with mouse clicks at an
4221 		 * unexpected moment and allows for mapping them.
4222 		 */
4223 		for (;;)
4224 		{
4225 #ifdef FEAT_GUI
4226 		    if (gui.in_use)
4227 		    {
4228 			/* GUI uses more bits for columns > 223 */
4229 			num_bytes = get_bytes_from_buf(tp + slen, bytes, 5);
4230 			if (num_bytes == -1)	/* not enough coordinates */
4231 			    return -1;
4232 			mouse_code = bytes[0];
4233 			mouse_col = 128 * (bytes[1] - ' ' - 1)
4234 							 + bytes[2] - ' ' - 1;
4235 			mouse_row = 128 * (bytes[3] - ' ' - 1)
4236 							 + bytes[4] - ' ' - 1;
4237 		    }
4238 		    else
4239 #endif
4240 		    {
4241 			num_bytes = get_bytes_from_buf(tp + slen, bytes, 3);
4242 			if (num_bytes == -1)	/* not enough coordinates */
4243 			    return -1;
4244 			mouse_code = bytes[0];
4245 			mouse_col = bytes[1] - ' ' - 1;
4246 			mouse_row = bytes[2] - ' ' - 1;
4247 		    }
4248 		    slen += num_bytes;
4249 
4250 		    /* If the following bytes is also a mouse code and it has
4251 		     * the same code, dump this one and get the next.  This
4252 		     * makes dragging a whole lot faster. */
4253 #ifdef FEAT_GUI
4254 		    if (gui.in_use)
4255 			j = 3;
4256 		    else
4257 #endif
4258 			j = termcodes[idx].len;
4259 		    if (STRNCMP(tp, tp + slen, (size_t)j) == 0
4260 			    && tp[slen + j] == mouse_code
4261 			    && tp[slen + j + 1] != NUL
4262 			    && tp[slen + j + 2] != NUL
4263 #ifdef FEAT_GUI
4264 			    && (!gui.in_use
4265 				|| (tp[slen + j + 3] != NUL
4266 					&& tp[slen + j + 4] != NUL))
4267 #endif
4268 			    )
4269 			slen += j;
4270 		    else
4271 			break;
4272 		}
4273 
4274 #  if !defined(MSWIN) && !defined(MSDOS)
4275 		/*
4276 		 * Handle mouse events.
4277 		 * Recognize the xterm mouse wheel, but not in the GUI, the
4278 		 * Linux console with GPM and the MS-DOS or Win32 console
4279 		 * (multi-clicks use >= 0x60).
4280 		 */
4281 		if (mouse_code >= MOUSEWHEEL_LOW
4282 #   ifdef FEAT_GUI
4283 			&& !gui.in_use
4284 #   endif
4285 #   ifdef FEAT_MOUSE_GPM
4286 			&& gpm_flag == 0
4287 #   endif
4288 			)
4289 		{
4290 		    /* Keep the mouse_code before it's changed, so that we
4291 		     * remember that it was a mouse wheel click. */
4292 		    wheel_code = mouse_code;
4293 		}
4294 #   ifdef FEAT_MOUSE_XTERM
4295 		else if (held_button == MOUSE_RELEASE
4296 #    ifdef FEAT_GUI
4297 			&& !gui.in_use
4298 #    endif
4299 			&& (mouse_code == 0x23 || mouse_code == 0x24))
4300 		{
4301 		    /* Apparently used by rxvt scroll wheel. */
4302 		    wheel_code = mouse_code - 0x23 + MOUSEWHEEL_LOW;
4303 		}
4304 #   endif
4305 
4306 #   if defined(UNIX) && defined(FEAT_MOUSE_TTY)
4307 		else if (use_xterm_mouse() > 1)
4308 		{
4309 		    if (mouse_code & MOUSE_DRAG_XTERM)
4310 			mouse_code |= MOUSE_DRAG;
4311 		}
4312 #   endif
4313 #   ifdef FEAT_XCLIPBOARD
4314 		else if (!(mouse_code & MOUSE_DRAG & ~MOUSE_CLICK_MASK))
4315 		{
4316 		    if ((mouse_code & MOUSE_RELEASE) == MOUSE_RELEASE)
4317 			stop_xterm_trace();
4318 		    else
4319 			start_xterm_trace(mouse_code);
4320 		}
4321 #   endif
4322 #  endif
4323 	    }
4324 # endif /* !UNIX || FEAT_MOUSE_XTERM */
4325 # ifdef FEAT_MOUSE_NET
4326 	    if (key_name[0] == (int)KS_NETTERM_MOUSE)
4327 	    {
4328 		int mc, mr;
4329 
4330 		/* expect a rather limited sequence like: balancing {
4331 		 * \033}6,45\r
4332 		 * '6' is the row, 45 is the column
4333 		 */
4334 		p = tp + slen;
4335 		mr = getdigits(&p);
4336 		if (*p++ != ',')
4337 		    return -1;
4338 		mc = getdigits(&p);
4339 		if (*p++ != '\r')
4340 		    return -1;
4341 
4342 		mouse_col = mc - 1;
4343 		mouse_row = mr - 1;
4344 		mouse_code = MOUSE_LEFT;
4345 		slen += (int)(p - (tp + slen));
4346 	    }
4347 # endif	/* FEAT_MOUSE_NET */
4348 # ifdef FEAT_MOUSE_JSB
4349 	    if (key_name[0] == (int)KS_JSBTERM_MOUSE)
4350 	    {
4351 		int mult, val, iter, button, status;
4352 
4353 		/* JSBTERM Input Model
4354 		 * \033[0~zw uniq escape sequence
4355 		 * (L-x)  Left button pressed - not pressed x not reporting
4356 		 * (M-x)  Middle button pressed - not pressed x not reporting
4357 		 * (R-x)  Right button pressed - not pressed x not reporting
4358 		 * (SDmdu)  Single , Double click, m mouse move d button down
4359 		 *						   u button up
4360 		 *  ###   X cursor position padded to 3 digits
4361 		 *  ###   Y cursor position padded to 3 digits
4362 		 * (s-x)  SHIFT key pressed - not pressed x not reporting
4363 		 * (c-x)  CTRL key pressed - not pressed x not reporting
4364 		 * \033\\ terminateing sequence
4365 		 */
4366 
4367 		p = tp + slen;
4368 		button = mouse_code = 0;
4369 		switch (*p++)
4370 		{
4371 		    case 'L': button = 1; break;
4372 		    case '-': break;
4373 		    case 'x': break; /* ignore sequence */
4374 		    default:  return -1; /* Unknown Result */
4375 		}
4376 		switch (*p++)
4377 		{
4378 		    case 'M': button |= 2; break;
4379 		    case '-': break;
4380 		    case 'x': break; /* ignore sequence */
4381 		    default:  return -1; /* Unknown Result */
4382 		}
4383 		switch (*p++)
4384 		{
4385 		    case 'R': button |= 4; break;
4386 		    case '-': break;
4387 		    case 'x': break; /* ignore sequence */
4388 		    default:  return -1; /* Unknown Result */
4389 		}
4390 		status = *p++;
4391 		for (val = 0, mult = 100, iter = 0; iter < 3; iter++,
4392 							      mult /= 10, p++)
4393 		    if (*p >= '0' && *p <= '9')
4394 			val += (*p - '0') * mult;
4395 		    else
4396 			return -1;
4397 		mouse_col = val;
4398 		for (val = 0, mult = 100, iter = 0; iter < 3; iter++,
4399 							      mult /= 10, p++)
4400 		    if (*p >= '0' && *p <= '9')
4401 			val += (*p - '0') * mult;
4402 		    else
4403 			return -1;
4404 		mouse_row = val;
4405 		switch (*p++)
4406 		{
4407 		    case 's': button |= 8; break;  /* SHIFT key Pressed */
4408 		    case '-': break;  /* Not Pressed */
4409 		    case 'x': break;  /* Not Reporting */
4410 		    default:  return -1; /* Unknown Result */
4411 		}
4412 		switch (*p++)
4413 		{
4414 		    case 'c': button |= 16; break;  /* CTRL key Pressed */
4415 		    case '-': break;  /* Not Pressed */
4416 		    case 'x': break;  /* Not Reporting */
4417 		    default:  return -1; /* Unknown Result */
4418 		}
4419 		if (*p++ != '\033')
4420 		    return -1;
4421 		if (*p++ != '\\')
4422 		    return -1;
4423 		switch (status)
4424 		{
4425 		    case 'D': /* Double Click */
4426 		    case 'S': /* Single Click */
4427 			if (button & 1) mouse_code |= MOUSE_LEFT;
4428 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
4429 			if (button & 4) mouse_code |= MOUSE_RIGHT;
4430 			if (button & 8) mouse_code |= MOUSE_SHIFT;
4431 			if (button & 16) mouse_code |= MOUSE_CTRL;
4432 			break;
4433 		    case 'm': /* Mouse move */
4434 			if (button & 1) mouse_code |= MOUSE_LEFT;
4435 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
4436 			if (button & 4) mouse_code |= MOUSE_RIGHT;
4437 			if (button & 8) mouse_code |= MOUSE_SHIFT;
4438 			if (button & 16) mouse_code |= MOUSE_CTRL;
4439 			if ((button & 7) != 0)
4440 			{
4441 			    held_button = mouse_code;
4442 			    mouse_code |= MOUSE_DRAG;
4443 			}
4444 			is_drag = TRUE;
4445 			showmode();
4446 			break;
4447 		    case 'd': /* Button Down */
4448 			if (button & 1) mouse_code |= MOUSE_LEFT;
4449 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
4450 			if (button & 4) mouse_code |= MOUSE_RIGHT;
4451 			if (button & 8) mouse_code |= MOUSE_SHIFT;
4452 			if (button & 16) mouse_code |= MOUSE_CTRL;
4453 			break;
4454 		    case 'u': /* Button Up */
4455 			if (button & 1)
4456 			    mouse_code |= MOUSE_LEFT | MOUSE_RELEASE;
4457 			if (button & 2)
4458 			    mouse_code |= MOUSE_MIDDLE | MOUSE_RELEASE;
4459 			if (button & 4)
4460 			    mouse_code |= MOUSE_RIGHT | MOUSE_RELEASE;
4461 			if (button & 8)
4462 			    mouse_code |= MOUSE_SHIFT;
4463 			if (button & 16)
4464 			    mouse_code |= MOUSE_CTRL;
4465 			break;
4466 		    default: return -1; /* Unknown Result */
4467 		}
4468 
4469 		slen += (p - (tp + slen));
4470 	    }
4471 # endif /* FEAT_MOUSE_JSB */
4472 # ifdef FEAT_MOUSE_DEC
4473 	    if (key_name[0] == (int)KS_DEC_MOUSE)
4474 	    {
4475 	       /* The DEC Locator Input Model
4476 		* Netterm delivers the code sequence:
4477 		*  \033[2;4;24;80&w  (left button down)
4478 		*  \033[3;0;24;80&w  (left button up)
4479 		*  \033[6;1;24;80&w  (right button down)
4480 		*  \033[7;0;24;80&w  (right button up)
4481 		* CSI Pe ; Pb ; Pr ; Pc ; Pp & w
4482 		* Pe is the event code
4483 		* Pb is the button code
4484 		* Pr is the row coordinate
4485 		* Pc is the column coordinate
4486 		* Pp is the third coordinate (page number)
4487 		* Pe, the event code indicates what event caused this report
4488 		*    The following event codes are defined:
4489 		*    0 - request, the terminal received an explicit request
4490 		*	 for a locator report, but the locator is unavailable
4491 		*    1 - request, the terminal received an explicit request
4492 		*	 for a locator report
4493 		*    2 - left button down
4494 		*    3 - left button up
4495 		*    4 - middle button down
4496 		*    5 - middle button up
4497 		*    6 - right button down
4498 		*    7 - right button up
4499 		*    8 - fourth button down
4500 		*    9 - fourth button up
4501 		*    10 - locator outside filter rectangle
4502 		* Pb, the button code, ASCII decimal 0-15 indicating which
4503 		*   buttons are down if any. The state of the four buttons
4504 		*   on the locator correspond to the low four bits of the
4505 		*   decimal value,
4506 		*   "1" means button depressed
4507 		*   0 - no buttons down,
4508 		*   1 - right,
4509 		*   2 - middle,
4510 		*   4 - left,
4511 		*   8 - fourth
4512 		* Pr is the row coordinate of the locator position in the page,
4513 		*   encoded as an ASCII decimal value.
4514 		*   If Pr is omitted, the locator position is undefined
4515 		*   (outside the terminal window for example).
4516 		* Pc is the column coordinate of the locator position in the
4517 		*   page, encoded as an ASCII decimal value.
4518 		*   If Pc is omitted, the locator position is undefined
4519 		*   (outside the terminal window for example).
4520 		* Pp is the page coordinate of the locator position
4521 		*   encoded as an ASCII decimal value.
4522 		*   The page coordinate may be omitted if the locator is on
4523 		*   page one (the default).  We ignore it anyway.
4524 		*/
4525 		int Pe, Pb, Pr, Pc;
4526 
4527 		p = tp + slen;
4528 
4529 		/* get event status */
4530 		Pe = getdigits(&p);
4531 		if (*p++ != ';')
4532 		    return -1;
4533 
4534 		/* get button status */
4535 		Pb = getdigits(&p);
4536 		if (*p++ != ';')
4537 		    return -1;
4538 
4539 		/* get row status */
4540 		Pr = getdigits(&p);
4541 		if (*p++ != ';')
4542 		    return -1;
4543 
4544 		/* get column status */
4545 		Pc = getdigits(&p);
4546 
4547 		/* the page parameter is optional */
4548 		if (*p == ';')
4549 		{
4550 		    p++;
4551 		    (void)getdigits(&p);
4552 		}
4553 		if (*p++ != '&')
4554 		    return -1;
4555 		if (*p++ != 'w')
4556 		    return -1;
4557 
4558 		mouse_code = 0;
4559 		switch (Pe)
4560 		{
4561 		case  0: return -1; /* position request while unavailable */
4562 		case  1: /* a response to a locator position request includes
4563 			    the status of all buttons */
4564 			 Pb &= 7;   /* mask off and ignore fourth button */
4565 			 if (Pb & 4)
4566 			     mouse_code  = MOUSE_LEFT;
4567 			 if (Pb & 2)
4568 			     mouse_code  = MOUSE_MIDDLE;
4569 			 if (Pb & 1)
4570 			     mouse_code  = MOUSE_RIGHT;
4571 			 if (Pb)
4572 			 {
4573 			     held_button = mouse_code;
4574 			     mouse_code |= MOUSE_DRAG;
4575 			     WantQueryMouse = TRUE;
4576 			 }
4577 			 is_drag = TRUE;
4578 			 showmode();
4579 			 break;
4580 		case  2: mouse_code = MOUSE_LEFT;
4581 			 WantQueryMouse = TRUE;
4582 			 break;
4583 		case  3: mouse_code = MOUSE_RELEASE | MOUSE_LEFT;
4584 			 break;
4585 		case  4: mouse_code = MOUSE_MIDDLE;
4586 			 WantQueryMouse = TRUE;
4587 			 break;
4588 		case  5: mouse_code = MOUSE_RELEASE | MOUSE_MIDDLE;
4589 			 break;
4590 		case  6: mouse_code = MOUSE_RIGHT;
4591 			 WantQueryMouse = TRUE;
4592 			 break;
4593 		case  7: mouse_code = MOUSE_RELEASE | MOUSE_RIGHT;
4594 			 break;
4595 		case  8: return -1; /* fourth button down */
4596 		case  9: return -1; /* fourth button up */
4597 		case 10: return -1; /* mouse outside of filter rectangle */
4598 		default: return -1; /* should never occur */
4599 		}
4600 
4601 		mouse_col = Pc - 1;
4602 		mouse_row = Pr - 1;
4603 
4604 		slen += (int)(p - (tp + slen));
4605 	    }
4606 # endif /* FEAT_MOUSE_DEC */
4607 # ifdef FEAT_MOUSE_PTERM
4608 	    if (key_name[0] == (int)KS_PTERM_MOUSE)
4609 	    {
4610 		int button, num_clicks, action, mc, mr;
4611 
4612 		p = tp + slen;
4613 
4614 		action = getdigits(&p);
4615 		if (*p++ != ';')
4616 		    return -1;
4617 
4618 		mouse_row = getdigits(&p);
4619 		if (*p++ != ';')
4620 		    return -1;
4621 		mouse_col = getdigits(&p);
4622 		if (*p++ != ';')
4623 		    return -1;
4624 
4625 		button = getdigits(&p);
4626 		mouse_code = 0;
4627 
4628 		switch( button )
4629 		{
4630 		    case 4: mouse_code = MOUSE_LEFT; break;
4631 		    case 1: mouse_code = MOUSE_RIGHT; break;
4632 		    case 2: mouse_code = MOUSE_MIDDLE; break;
4633 		    default: return -1;
4634 		}
4635 
4636 		switch( action )
4637 		{
4638 		    case 31: /* Initial press */
4639 			if (*p++ != ';')
4640 			    return -1;
4641 
4642 			num_clicks = getdigits(&p); /* Not used */
4643 			break;
4644 
4645 		    case 32: /* Release */
4646 			mouse_code |= MOUSE_RELEASE;
4647 			break;
4648 
4649 		    case 33: /* Drag */
4650 			held_button = mouse_code;
4651 			mouse_code |= MOUSE_DRAG;
4652 			break;
4653 
4654 		    default:
4655 			return -1;
4656 		}
4657 
4658 		if (*p++ != 't')
4659 		    return -1;
4660 
4661 		slen += (p - (tp + slen));
4662 	    }
4663 # endif /* FEAT_MOUSE_PTERM */
4664 
4665 	    /* Interpret the mouse code */
4666 	    current_button = (mouse_code & MOUSE_CLICK_MASK);
4667 	    if (current_button == MOUSE_RELEASE
4668 # ifdef FEAT_MOUSE_XTERM
4669 		    && wheel_code == 0
4670 # endif
4671 		    )
4672 	    {
4673 		/*
4674 		 * If we get a mouse drag or release event when
4675 		 * there is no mouse button held down (held_button ==
4676 		 * MOUSE_RELEASE), produce a K_IGNORE below.
4677 		 * (can happen when you hold down two buttons
4678 		 * and then let them go, or click in the menu bar, but not
4679 		 * on a menu, and drag into the text).
4680 		 */
4681 		if ((mouse_code & MOUSE_DRAG) == MOUSE_DRAG)
4682 		    is_drag = TRUE;
4683 		current_button = held_button;
4684 	    }
4685 	    else if (wheel_code == 0)
4686 	    {
4687 # ifdef CHECK_DOUBLE_CLICK
4688 #  ifdef FEAT_MOUSE_GPM
4689 #   ifdef FEAT_GUI
4690 		/*
4691 		 * Only for Unix, when GUI or gpm is not active, we handle
4692 		 * multi-clicks here.
4693 		 */
4694 		if (gpm_flag == 0 && !gui.in_use)
4695 #   else
4696 		if (gpm_flag == 0)
4697 #   endif
4698 #  else
4699 #   ifdef FEAT_GUI
4700 		if (!gui.in_use)
4701 #   endif
4702 #  endif
4703 		{
4704 		    /*
4705 		     * Compute the time elapsed since the previous mouse click.
4706 		     */
4707 		    gettimeofday(&mouse_time, NULL);
4708 		    timediff = (mouse_time.tv_usec
4709 					    - orig_mouse_time.tv_usec) / 1000;
4710 		    if (timediff < 0)
4711 			--orig_mouse_time.tv_sec;
4712 		    timediff += (mouse_time.tv_sec
4713 					     - orig_mouse_time.tv_sec) * 1000;
4714 		    orig_mouse_time = mouse_time;
4715 		    if (mouse_code == orig_mouse_code
4716 			    && timediff < p_mouset
4717 			    && orig_num_clicks != 4
4718 			    && orig_mouse_col == mouse_col
4719 			    && orig_mouse_row == mouse_row
4720 			    && ((orig_topline == curwin->w_topline
4721 #ifdef FEAT_DIFF
4722 				    && orig_topfill == curwin->w_topfill
4723 #endif
4724 				)
4725 #ifdef FEAT_WINDOWS
4726 				/* Double click in tab pages line also works
4727 				 * when window contents changes. */
4728 				|| (mouse_row == 0 && firstwin->w_winrow > 0)
4729 #endif
4730 			       )
4731 			    )
4732 			++orig_num_clicks;
4733 		    else
4734 			orig_num_clicks = 1;
4735 		    orig_mouse_col = mouse_col;
4736 		    orig_mouse_row = mouse_row;
4737 		    orig_topline = curwin->w_topline;
4738 #ifdef FEAT_DIFF
4739 		    orig_topfill = curwin->w_topfill;
4740 #endif
4741 		}
4742 #  if defined(FEAT_GUI) || defined(FEAT_MOUSE_GPM)
4743 		else
4744 		    orig_num_clicks = NUM_MOUSE_CLICKS(mouse_code);
4745 #  endif
4746 # else
4747 		orig_num_clicks = NUM_MOUSE_CLICKS(mouse_code);
4748 # endif
4749 		is_click = TRUE;
4750 		orig_mouse_code = mouse_code;
4751 	    }
4752 	    if (!is_drag)
4753 		held_button = mouse_code & MOUSE_CLICK_MASK;
4754 
4755 	    /*
4756 	     * Translate the actual mouse event into a pseudo mouse event.
4757 	     * First work out what modifiers are to be used.
4758 	     */
4759 	    if (orig_mouse_code & MOUSE_SHIFT)
4760 		modifiers |= MOD_MASK_SHIFT;
4761 	    if (orig_mouse_code & MOUSE_CTRL)
4762 		modifiers |= MOD_MASK_CTRL;
4763 	    if (orig_mouse_code & MOUSE_ALT)
4764 		modifiers |= MOD_MASK_ALT;
4765 	    if (orig_num_clicks == 2)
4766 		modifiers |= MOD_MASK_2CLICK;
4767 	    else if (orig_num_clicks == 3)
4768 		modifiers |= MOD_MASK_3CLICK;
4769 	    else if (orig_num_clicks == 4)
4770 		modifiers |= MOD_MASK_4CLICK;
4771 
4772 	    /* Work out our pseudo mouse event */
4773 	    key_name[0] = (int)KS_EXTRA;
4774 	    if (wheel_code != 0)
4775 		key_name[1] = (wheel_code & 1)
4776 					? (int)KE_MOUSEUP : (int)KE_MOUSEDOWN;
4777 	    else
4778 		key_name[1] = get_pseudo_mouse_code(current_button,
4779 							   is_click, is_drag);
4780 	}
4781 #endif /* FEAT_MOUSE */
4782 
4783 #ifdef FEAT_GUI
4784 	/*
4785 	 * If using the GUI, then we get menu and scrollbar events.
4786 	 *
4787 	 * A menu event is encoded as K_SPECIAL, KS_MENU, KE_FILLER followed by
4788 	 * four bytes which are to be taken as a pointer to the vimmenu_T
4789 	 * structure.
4790 	 *
4791 	 * A tab line event is encoded as K_SPECIAL KS_TABLINE nr, where "nr"
4792 	 * is one byte with the tab index.
4793 	 *
4794 	 * A scrollbar event is K_SPECIAL, KS_VER_SCROLLBAR, KE_FILLER followed
4795 	 * by one byte representing the scrollbar number, and then four bytes
4796 	 * representing a long_u which is the new value of the scrollbar.
4797 	 *
4798 	 * A horizontal scrollbar event is K_SPECIAL, KS_HOR_SCROLLBAR,
4799 	 * KE_FILLER followed by four bytes representing a long_u which is the
4800 	 * new value of the scrollbar.
4801 	 */
4802 # ifdef FEAT_MENU
4803 	else if (key_name[0] == (int)KS_MENU)
4804 	{
4805 	    long_u	val;
4806 
4807 	    num_bytes = get_long_from_buf(tp + slen, &val);
4808 	    if (num_bytes == -1)
4809 		return -1;
4810 	    current_menu = (vimmenu_T *)val;
4811 	    slen += num_bytes;
4812 
4813 	    /* The menu may have been deleted right after it was used, check
4814 	     * for that. */
4815 	    if (check_menu_pointer(root_menu, current_menu) == FAIL)
4816 	    {
4817 		key_name[0] = KS_EXTRA;
4818 		key_name[1] = (int)KE_IGNORE;
4819 	    }
4820 	}
4821 # endif
4822 # ifdef FEAT_GUI_TABLINE
4823 	else if (key_name[0] == (int)KS_TABLINE)
4824 	{
4825 	    /* Selecting tabline tab or using its menu. */
4826 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 1);
4827 	    if (num_bytes == -1)
4828 		return -1;
4829 	    current_tab = (int)bytes[0];
4830 	    if (current_tab == 255)	/* -1 in a byte gives 255 */
4831 		current_tab = -1;
4832 	    slen += num_bytes;
4833 	}
4834 	else if (key_name[0] == (int)KS_TABMENU)
4835 	{
4836 	    /* Selecting tabline tab or using its menu. */
4837 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 2);
4838 	    if (num_bytes == -1)
4839 		return -1;
4840 	    current_tab = (int)bytes[0];
4841 	    current_tabmenu = (int)bytes[1];
4842 	    slen += num_bytes;
4843 	}
4844 # endif
4845 # ifndef USE_ON_FLY_SCROLL
4846 	else if (key_name[0] == (int)KS_VER_SCROLLBAR)
4847 	{
4848 	    long_u	val;
4849 
4850 	    /* Get the last scrollbar event in the queue of the same type */
4851 	    j = 0;
4852 	    for (i = 0; tp[j] == CSI && tp[j + 1] == KS_VER_SCROLLBAR
4853 						     && tp[j + 2] != NUL; ++i)
4854 	    {
4855 		j += 3;
4856 		num_bytes = get_bytes_from_buf(tp + j, bytes, 1);
4857 		if (num_bytes == -1)
4858 		    break;
4859 		if (i == 0)
4860 		    current_scrollbar = (int)bytes[0];
4861 		else if (current_scrollbar != (int)bytes[0])
4862 		    break;
4863 		j += num_bytes;
4864 		num_bytes = get_long_from_buf(tp + j, &val);
4865 		if (num_bytes == -1)
4866 		    break;
4867 		scrollbar_value = val;
4868 		j += num_bytes;
4869 		slen = j;
4870 	    }
4871 	    if (i == 0)		/* not enough characters to make one */
4872 		return -1;
4873 	}
4874 	else if (key_name[0] == (int)KS_HOR_SCROLLBAR)
4875 	{
4876 	    long_u	val;
4877 
4878 	    /* Get the last horiz. scrollbar event in the queue */
4879 	    j = 0;
4880 	    for (i = 0; tp[j] == CSI && tp[j + 1] == KS_HOR_SCROLLBAR
4881 						     && tp[j + 2] != NUL; ++i)
4882 	    {
4883 		j += 3;
4884 		num_bytes = get_long_from_buf(tp + j, &val);
4885 		if (num_bytes == -1)
4886 		    break;
4887 		scrollbar_value = val;
4888 		j += num_bytes;
4889 		slen = j;
4890 	    }
4891 	    if (i == 0)		/* not enough characters to make one */
4892 		return -1;
4893 	}
4894 # endif /* !USE_ON_FLY_SCROLL */
4895 #endif /* FEAT_GUI */
4896 
4897 	/*
4898 	 * Change <xHome> to <Home>, <xUp> to <Up>, etc.
4899 	 */
4900 	key = handle_x_keys(TERMCAP2KEY(key_name[0], key_name[1]));
4901 
4902 	/*
4903 	 * Add any modifier codes to our string.
4904 	 */
4905 	new_slen = 0;		/* Length of what will replace the termcode */
4906 	if (modifiers != 0)
4907 	{
4908 	    /* Some keys have the modifier included.  Need to handle that here
4909 	     * to make mappings work. */
4910 	    key = simplify_key(key, &modifiers);
4911 	    if (modifiers != 0)
4912 	    {
4913 		string[new_slen++] = K_SPECIAL;
4914 		string[new_slen++] = (int)KS_MODIFIER;
4915 		string[new_slen++] = modifiers;
4916 	    }
4917 	}
4918 
4919 	/* Finally, add the special key code to our string */
4920 	key_name[0] = KEY2TERMCAP0(key);
4921 	key_name[1] = KEY2TERMCAP1(key);
4922 	if (key_name[0] == KS_KEY)
4923 	{
4924 	    /* from ":set <M-b>=xx" */
4925 #ifdef FEAT_MBYTE
4926 	    if (has_mbyte)
4927 		new_slen += (*mb_char2bytes)(key_name[1], string + new_slen);
4928 	    else
4929 #endif
4930 		string[new_slen++] = key_name[1];
4931 	}
4932 	else
4933 	{
4934 	    string[new_slen++] = K_SPECIAL;
4935 	    string[new_slen++] = key_name[0];
4936 	    string[new_slen++] = key_name[1];
4937 	}
4938 	string[new_slen] = NUL;
4939 	extra = new_slen - slen;
4940 	if (buf == NULL)
4941 	{
4942 	    if (extra < 0)
4943 		/* remove matched chars, taking care of noremap */
4944 		del_typebuf(-extra, offset);
4945 	    else if (extra > 0)
4946 		/* insert the extra space we need */
4947 		ins_typebuf(string + slen, REMAP_YES, offset, FALSE, FALSE);
4948 
4949 	    /*
4950 	     * Careful: del_typebuf() and ins_typebuf() may have reallocated
4951 	     * typebuf.tb_buf[]!
4952 	     */
4953 	    mch_memmove(typebuf.tb_buf + typebuf.tb_off + offset, string,
4954 							    (size_t)new_slen);
4955 	}
4956 	else
4957 	{
4958 	    if (extra < 0)
4959 		/* remove matched characters */
4960 		mch_memmove(buf + offset, buf + offset - extra,
4961 					   (size_t)(buflen + offset + extra));
4962 	    else if (extra > 0)
4963 		/* insert the extra space we need */
4964 		mch_memmove(buf + offset + extra, buf + offset,
4965 						   (size_t)(buflen - offset));
4966 	    mch_memmove(buf + offset, string, (size_t)new_slen);
4967 	}
4968 	return (len + extra + offset);
4969     }
4970 
4971     return 0;			    /* no match found */
4972 }
4973 
4974 /*
4975  * Replace any terminal code strings in from[] with the equivalent internal
4976  * vim representation.	This is used for the "from" and "to" part of a
4977  * mapping, and the "to" part of a menu command.
4978  * Any strings like "<C-UP>" are also replaced, unless 'cpoptions' contains
4979  * '<'.
4980  * K_SPECIAL by itself is replaced by K_SPECIAL KS_SPECIAL KE_FILLER.
4981  *
4982  * The replacement is done in result[] and finally copied into allocated
4983  * memory. If this all works well *bufp is set to the allocated memory and a
4984  * pointer to it is returned. If something fails *bufp is set to NULL and from
4985  * is returned.
4986  *
4987  * CTRL-V characters are removed.  When "from_part" is TRUE, a trailing CTRL-V
4988  * is included, otherwise it is removed (for ":map xx ^V", maps xx to
4989  * nothing).  When 'cpoptions' does not contain 'B', a backslash can be used
4990  * instead of a CTRL-V.
4991  */
4992     char_u *
4993 replace_termcodes(from, bufp, from_part, do_lt, special)
4994     char_u	*from;
4995     char_u	**bufp;
4996     int		from_part;
4997     int		do_lt;		/* also translate <lt> */
4998     int		special;	/* always accept <key> notation */
4999 {
5000     int		i;
5001     int		slen;
5002     int		key;
5003     int		dlen = 0;
5004     char_u	*src;
5005     int		do_backslash;	/* backslash is a special character */
5006     int		do_special;	/* recognize <> key codes */
5007     int		do_key_code;	/* recognize raw key codes */
5008     char_u	*result;	/* buffer for resulting string */
5009 
5010     do_backslash = (vim_strchr(p_cpo, CPO_BSLASH) == NULL);
5011     do_special = (vim_strchr(p_cpo, CPO_SPECI) == NULL) || special;
5012     do_key_code = (vim_strchr(p_cpo, CPO_KEYCODE) == NULL);
5013 
5014     /*
5015      * Allocate space for the translation.  Worst case a single character is
5016      * replaced by 6 bytes (shifted special key), plus a NUL at the end.
5017      */
5018     result = alloc((unsigned)STRLEN(from) * 6 + 1);
5019     if (result == NULL)		/* out of memory */
5020     {
5021 	*bufp = NULL;
5022 	return from;
5023     }
5024 
5025     src = from;
5026 
5027     /*
5028      * Check for #n at start only: function key n
5029      */
5030     if (from_part && src[0] == '#' && VIM_ISDIGIT(src[1]))  /* function key */
5031     {
5032 	result[dlen++] = K_SPECIAL;
5033 	result[dlen++] = 'k';
5034 	if (src[1] == '0')
5035 	    result[dlen++] = ';';	/* #0 is F10 is "k;" */
5036 	else
5037 	    result[dlen++] = src[1];	/* #3 is F3 is "k3" */
5038 	src += 2;
5039     }
5040 
5041     /*
5042      * Copy each byte from *from to result[dlen]
5043      */
5044     while (*src != NUL)
5045     {
5046 	/*
5047 	 * If 'cpoptions' does not contain '<', check for special key codes,
5048 	 * like "<C-S-MouseLeft>"
5049 	 */
5050 	if (do_special && (do_lt || STRNCMP(src, "<lt>", 4) != 0))
5051 	{
5052 #ifdef FEAT_EVAL
5053 	    /*
5054 	     * Replace <SID> by K_SNR <script-nr> _.
5055 	     * (room: 5 * 6 = 30 bytes; needed: 3 + <nr> + 1 <= 14)
5056 	     */
5057 	    if (STRNICMP(src, "<SID>", 5) == 0)
5058 	    {
5059 		if (current_SID <= 0)
5060 		    EMSG(_(e_usingsid));
5061 		else
5062 		{
5063 		    src += 5;
5064 		    result[dlen++] = K_SPECIAL;
5065 		    result[dlen++] = (int)KS_EXTRA;
5066 		    result[dlen++] = (int)KE_SNR;
5067 		    sprintf((char *)result + dlen, "%ld", (long)current_SID);
5068 		    dlen += (int)STRLEN(result + dlen);
5069 		    result[dlen++] = '_';
5070 		    continue;
5071 		}
5072 	    }
5073 #endif
5074 
5075 	    slen = trans_special(&src, result + dlen, TRUE);
5076 	    if (slen)
5077 	    {
5078 		dlen += slen;
5079 		continue;
5080 	    }
5081 	}
5082 
5083 	/*
5084 	 * If 'cpoptions' does not contain 'k', see if it's an actual key-code.
5085 	 * Note that this is also checked after replacing the <> form.
5086 	 * Single character codes are NOT replaced (e.g. ^H or DEL), because
5087 	 * it could be a character in the file.
5088 	 */
5089 	if (do_key_code)
5090 	{
5091 	    i = find_term_bykeys(src);
5092 	    if (i >= 0)
5093 	    {
5094 		result[dlen++] = K_SPECIAL;
5095 		result[dlen++] = termcodes[i].name[0];
5096 		result[dlen++] = termcodes[i].name[1];
5097 		src += termcodes[i].len;
5098 		/* If terminal code matched, continue after it. */
5099 		continue;
5100 	    }
5101 	}
5102 
5103 #ifdef FEAT_EVAL
5104 	if (do_special)
5105 	{
5106 	    char_u	*p, *s, len;
5107 
5108 	    /*
5109 	     * Replace <Leader> by the value of "mapleader".
5110 	     * Replace <LocalLeader> by the value of "maplocalleader".
5111 	     * If "mapleader" or "maplocalleader" isn't set use a backslash.
5112 	     */
5113 	    if (STRNICMP(src, "<Leader>", 8) == 0)
5114 	    {
5115 		len = 8;
5116 		p = get_var_value((char_u *)"g:mapleader");
5117 	    }
5118 	    else if (STRNICMP(src, "<LocalLeader>", 13) == 0)
5119 	    {
5120 		len = 13;
5121 		p = get_var_value((char_u *)"g:maplocalleader");
5122 	    }
5123 	    else
5124 	    {
5125 		len = 0;
5126 		p = NULL;
5127 	    }
5128 	    if (len != 0)
5129 	    {
5130 		/* Allow up to 8 * 6 characters for "mapleader". */
5131 		if (p == NULL || *p == NUL || STRLEN(p) > 8 * 6)
5132 		    s = (char_u *)"\\";
5133 		else
5134 		    s = p;
5135 		while (*s != NUL)
5136 		    result[dlen++] = *s++;
5137 		src += len;
5138 		continue;
5139 	    }
5140 	}
5141 #endif
5142 
5143 	/*
5144 	 * Remove CTRL-V and ignore the next character.
5145 	 * For "from" side the CTRL-V at the end is included, for the "to"
5146 	 * part it is removed.
5147 	 * If 'cpoptions' does not contain 'B', also accept a backslash.
5148 	 */
5149 	key = *src;
5150 	if (key == Ctrl_V || (do_backslash && key == '\\'))
5151 	{
5152 	    ++src;				/* skip CTRL-V or backslash */
5153 	    if (*src == NUL)
5154 	    {
5155 		if (from_part)
5156 		    result[dlen++] = key;
5157 		break;
5158 	    }
5159 	}
5160 
5161 #ifdef FEAT_MBYTE
5162 	/* skip multibyte char correctly */
5163 	for (i = (*mb_ptr2len)(src); i > 0; --i)
5164 #endif
5165 	{
5166 	    /*
5167 	     * If the character is K_SPECIAL, replace it with K_SPECIAL
5168 	     * KS_SPECIAL KE_FILLER.
5169 	     * If compiled with the GUI replace CSI with K_CSI.
5170 	     */
5171 	    if (*src == K_SPECIAL)
5172 	    {
5173 		result[dlen++] = K_SPECIAL;
5174 		result[dlen++] = KS_SPECIAL;
5175 		result[dlen++] = KE_FILLER;
5176 	    }
5177 # ifdef FEAT_GUI
5178 	    else if (*src == CSI)
5179 	    {
5180 		result[dlen++] = K_SPECIAL;
5181 		result[dlen++] = KS_EXTRA;
5182 		result[dlen++] = (int)KE_CSI;
5183 	    }
5184 # endif
5185 	    else
5186 		result[dlen++] = *src;
5187 	    ++src;
5188 	}
5189     }
5190     result[dlen] = NUL;
5191 
5192     /*
5193      * Copy the new string to allocated memory.
5194      * If this fails, just return from.
5195      */
5196     if ((*bufp = vim_strsave(result)) != NULL)
5197 	from = *bufp;
5198     vim_free(result);
5199     return from;
5200 }
5201 
5202 /*
5203  * Find a termcode with keys 'src' (must be NUL terminated).
5204  * Return the index in termcodes[], or -1 if not found.
5205  */
5206     int
5207 find_term_bykeys(src)
5208     char_u	*src;
5209 {
5210     int		i;
5211     int		slen;
5212 
5213     for (i = 0; i < tc_len; ++i)
5214     {
5215 	slen = termcodes[i].len;
5216 	if (slen > 1 && STRNCMP(termcodes[i].code, src, (size_t)slen) == 0)
5217 	    return i;
5218     }
5219     return -1;
5220 }
5221 
5222 /*
5223  * Gather the first characters in the terminal key codes into a string.
5224  * Used to speed up check_termcode().
5225  */
5226     static void
5227 gather_termleader()
5228 {
5229     int	    i;
5230     int	    len = 0;
5231 
5232 #ifdef FEAT_GUI
5233     if (gui.in_use)
5234 	termleader[len++] = CSI;    /* the GUI codes are not in termcodes[] */
5235 #endif
5236 #ifdef FEAT_TERMRESPONSE
5237     if (check_for_codes)
5238 	termleader[len++] = DCS;    /* the termcode response starts with DCS
5239 				       in 8-bit mode */
5240 #endif
5241     termleader[len] = NUL;
5242 
5243     for (i = 0; i < tc_len; ++i)
5244 	if (vim_strchr(termleader, termcodes[i].code[0]) == NULL)
5245 	{
5246 	    termleader[len++] = termcodes[i].code[0];
5247 	    termleader[len] = NUL;
5248 	}
5249 
5250     need_gather = FALSE;
5251 }
5252 
5253 /*
5254  * Show all termcodes (for ":set termcap")
5255  * This code looks a lot like showoptions(), but is different.
5256  */
5257     void
5258 show_termcodes()
5259 {
5260     int		col;
5261     int		*items;
5262     int		item_count;
5263     int		run;
5264     int		row, rows;
5265     int		cols;
5266     int		i;
5267     int		len;
5268 
5269 #define INC3 27	    /* try to make three columns */
5270 #define INC2 40	    /* try to make two columns */
5271 #define GAP 2	    /* spaces between columns */
5272 
5273     if (tc_len == 0)	    /* no terminal codes (must be GUI) */
5274 	return;
5275     items = (int *)alloc((unsigned)(sizeof(int) * tc_len));
5276     if (items == NULL)
5277 	return;
5278 
5279     /* Highlight title */
5280     MSG_PUTS_TITLE(_("\n--- Terminal keys ---"));
5281 
5282     /*
5283      * do the loop two times:
5284      * 1. display the short items (non-strings and short strings)
5285      * 2. display the medium items (medium length strings)
5286      * 3. display the long items (remaining strings)
5287      */
5288     for (run = 1; run <= 3 && !got_int; ++run)
5289     {
5290 	/*
5291 	 * collect the items in items[]
5292 	 */
5293 	item_count = 0;
5294 	for (i = 0; i < tc_len; i++)
5295 	{
5296 	    len = show_one_termcode(termcodes[i].name,
5297 						    termcodes[i].code, FALSE);
5298 	    if (len <= INC3 - GAP ? run == 1
5299 			: len <= INC2 - GAP ? run == 2
5300 			: run == 3)
5301 		items[item_count++] = i;
5302 	}
5303 
5304 	/*
5305 	 * display the items
5306 	 */
5307 	if (run <= 2)
5308 	{
5309 	    cols = (Columns + GAP) / (run == 1 ? INC3 : INC2);
5310 	    if (cols == 0)
5311 		cols = 1;
5312 	    rows = (item_count + cols - 1) / cols;
5313 	}
5314 	else	/* run == 3 */
5315 	    rows = item_count;
5316 	for (row = 0; row < rows && !got_int; ++row)
5317 	{
5318 	    msg_putchar('\n');			/* go to next line */
5319 	    if (got_int)			/* 'q' typed in more */
5320 		break;
5321 	    col = 0;
5322 	    for (i = row; i < item_count; i += rows)
5323 	    {
5324 		msg_col = col;			/* make columns */
5325 		show_one_termcode(termcodes[items[i]].name,
5326 					      termcodes[items[i]].code, TRUE);
5327 		if (run == 2)
5328 		    col += INC2;
5329 		else
5330 		    col += INC3;
5331 	    }
5332 	    out_flush();
5333 	    ui_breakcheck();
5334 	}
5335     }
5336     vim_free(items);
5337 }
5338 
5339 /*
5340  * Show one termcode entry.
5341  * Output goes into IObuff[]
5342  */
5343     int
5344 show_one_termcode(name, code, printit)
5345     char_u  *name;
5346     char_u  *code;
5347     int	    printit;
5348 {
5349     char_u	*p;
5350     int		len;
5351 
5352     if (name[0] > '~')
5353     {
5354 	IObuff[0] = ' ';
5355 	IObuff[1] = ' ';
5356 	IObuff[2] = ' ';
5357 	IObuff[3] = ' ';
5358     }
5359     else
5360     {
5361 	IObuff[0] = 't';
5362 	IObuff[1] = '_';
5363 	IObuff[2] = name[0];
5364 	IObuff[3] = name[1];
5365     }
5366     IObuff[4] = ' ';
5367 
5368     p = get_special_key_name(TERMCAP2KEY(name[0], name[1]), 0);
5369     if (p[1] != 't')
5370 	STRCPY(IObuff + 5, p);
5371     else
5372 	IObuff[5] = NUL;
5373     len = (int)STRLEN(IObuff);
5374     do
5375 	IObuff[len++] = ' ';
5376     while (len < 17);
5377     IObuff[len] = NUL;
5378     if (code == NULL)
5379 	len += 4;
5380     else
5381 	len += vim_strsize(code);
5382 
5383     if (printit)
5384     {
5385 	msg_puts(IObuff);
5386 	if (code == NULL)
5387 	    msg_puts((char_u *)"NULL");
5388 	else
5389 	    msg_outtrans(code);
5390     }
5391     return len;
5392 }
5393 
5394 #if defined(FEAT_TERMRESPONSE) || defined(PROTO)
5395 /*
5396  * For Xterm >= 140 compiled with OPT_TCAP_QUERY: Obtain the actually used
5397  * termcap codes from the terminal itself.
5398  * We get them one by one to avoid a very long response string.
5399  */
5400 static int xt_index_in = 0;
5401 static int xt_index_out = 0;
5402 
5403     static void
5404 req_codes_from_term()
5405 {
5406     xt_index_out = 0;
5407     xt_index_in = 0;
5408     req_more_codes_from_term();
5409 }
5410 
5411     static void
5412 req_more_codes_from_term()
5413 {
5414     char	buf[11];
5415     int		old_idx = xt_index_out;
5416 
5417     /* Don't do anything when going to exit. */
5418     if (exiting)
5419 	return;
5420 
5421     /* Send up to 10 more requests out than we received.  Avoid sending too
5422      * many, there can be a buffer overflow somewhere. */
5423     while (xt_index_out < xt_index_in + 10 && key_names[xt_index_out] != NULL)
5424     {
5425 	sprintf(buf, "\033P+q%02x%02x\033\\",
5426 		      key_names[xt_index_out][0], key_names[xt_index_out][1]);
5427 	out_str_nf((char_u *)buf);
5428 	++xt_index_out;
5429     }
5430 
5431     /* Send the codes out right away. */
5432     if (xt_index_out != old_idx)
5433 	out_flush();
5434 }
5435 
5436 /*
5437  * Decode key code response from xterm: '<Esc>P1+r<name>=<string><Esc>\'.
5438  * A "0" instead of the "1" indicates a code that isn't supported.
5439  * Both <name> and <string> are encoded in hex.
5440  * "code" points to the "0" or "1".
5441  */
5442     static void
5443 got_code_from_term(code, len)
5444     char_u	*code;
5445     int		len;
5446 {
5447 #define XT_LEN 100
5448     char_u	name[3];
5449     char_u	str[XT_LEN];
5450     int		i;
5451     int		j = 0;
5452     int		c;
5453 
5454     /* A '1' means the code is supported, a '0' means it isn't.
5455      * When half the length is > XT_LEN we can't use it.
5456      * Our names are currently all 2 characters. */
5457     if (code[0] == '1' && code[7] == '=' && len / 2 < XT_LEN)
5458     {
5459 	/* Get the name from the response and find it in the table. */
5460 	name[0] = hexhex2nr(code + 3);
5461 	name[1] = hexhex2nr(code + 5);
5462 	name[2] = NUL;
5463 	for (i = 0; key_names[i] != NULL; ++i)
5464 	{
5465 	    if (STRCMP(key_names[i], name) == 0)
5466 	    {
5467 		xt_index_in = i;
5468 		break;
5469 	    }
5470 	}
5471 	if (key_names[i] != NULL)
5472 	{
5473 	    for (i = 8; (c = hexhex2nr(code + i)) >= 0; i += 2)
5474 		str[j++] = c;
5475 	    str[j] = NUL;
5476 	    if (name[0] == 'C' && name[1] == 'o')
5477 	    {
5478 		/* Color count is not a key code. */
5479 		i = atoi((char *)str);
5480 		if (i != t_colors)
5481 		{
5482 		    /* Nr of colors changed, initialize highlighting and
5483 		     * redraw everything.  This causes a redraw, which usually
5484 		     * clears the message.  Try keeping the message if it
5485 		     * might work. */
5486 		    set_keep_msg_from_hist();
5487 		    set_color_count(i);
5488 		    init_highlight(TRUE, FALSE);
5489 		    redraw_later(CLEAR);
5490 		}
5491 	    }
5492 	    else
5493 	    {
5494 		/* First delete any existing entry with the same code. */
5495 		i = find_term_bykeys(str);
5496 		if (i >= 0)
5497 		    del_termcode_idx(i);
5498 		add_termcode(name, str, ATC_FROM_TERM);
5499 	    }
5500 	}
5501     }
5502 
5503     /* May request more codes now that we received one. */
5504     ++xt_index_in;
5505     req_more_codes_from_term();
5506 }
5507 
5508 /*
5509  * Check if there are any unanswered requests and deal with them.
5510  * This is called before starting an external program or getting direct
5511  * keyboard input.  We don't want responses to be send to that program or
5512  * handled as typed text.
5513  */
5514     static void
5515 check_for_codes_from_term()
5516 {
5517     int		c;
5518 
5519     /* If no codes requested or all are answered, no need to wait. */
5520     if (xt_index_out == 0 || xt_index_out == xt_index_in)
5521 	return;
5522 
5523     /* Vgetc() will check for and handle any response.
5524      * Keep calling vpeekc() until we don't get any responses. */
5525     ++no_mapping;
5526     ++allow_keys;
5527     for (;;)
5528     {
5529 	c = vpeekc();
5530 	if (c == NUL)	    /* nothing available */
5531 	    break;
5532 
5533 	/* If a response is recognized it's replaced with K_IGNORE, must read
5534 	 * it from the input stream.  If there is no K_IGNORE we can't do
5535 	 * anything, break here (there might be some responses further on, but
5536 	 * we don't want to throw away any typed chars). */
5537 	if (c != K_SPECIAL && c != K_IGNORE)
5538 	    break;
5539 	c = vgetc();
5540 	if (c != K_IGNORE)
5541 	{
5542 	    vungetc(c);
5543 	    break;
5544 	}
5545     }
5546     --no_mapping;
5547     --allow_keys;
5548 }
5549 #endif
5550 
5551 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
5552 /*
5553  * Translate an internal mapping/abbreviation representation into the
5554  * corresponding external one recognized by :map/:abbrev commands;
5555  * respects the current B/k/< settings of 'cpoption'.
5556  *
5557  * This function is called when expanding mappings/abbreviations on the
5558  * command-line, and for building the "Ambiguous mapping..." error message.
5559  *
5560  * It uses a growarray to build the translation string since the
5561  * latter can be wider than the original description. The caller has to
5562  * free the string afterwards.
5563  *
5564  * Returns NULL when there is a problem.
5565  */
5566     char_u *
5567 translate_mapping(str, expmap)
5568     char_u	*str;
5569     int		expmap;  /* TRUE when expanding mappings on command-line */
5570 {
5571     garray_T	ga;
5572     int		c;
5573     int		modifiers;
5574     int		cpo_bslash;
5575     int		cpo_special;
5576     int		cpo_keycode;
5577 
5578     ga_init(&ga);
5579     ga.ga_itemsize = 1;
5580     ga.ga_growsize = 40;
5581 
5582     cpo_bslash = (vim_strchr(p_cpo, CPO_BSLASH) != NULL);
5583     cpo_special = (vim_strchr(p_cpo, CPO_SPECI) != NULL);
5584     cpo_keycode = (vim_strchr(p_cpo, CPO_KEYCODE) == NULL);
5585 
5586     for (; *str; ++str)
5587     {
5588 	c = *str;
5589 	if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL)
5590 	{
5591 	    modifiers = 0;
5592 	    if (str[1] == KS_MODIFIER)
5593 	    {
5594 		str++;
5595 		modifiers = *++str;
5596 		c = *++str;
5597 	    }
5598 	    if (cpo_special && cpo_keycode && c == K_SPECIAL && !modifiers)
5599 	    {
5600 		int	i;
5601 
5602 		/* try to find special key in termcodes */
5603 		for (i = 0; i < tc_len; ++i)
5604 		    if (termcodes[i].name[0] == str[1]
5605 					    && termcodes[i].name[1] == str[2])
5606 			break;
5607 		if (i < tc_len)
5608 		{
5609 		    ga_concat(&ga, termcodes[i].code);
5610 		    str += 2;
5611 		    continue; /* for (str) */
5612 		}
5613 	    }
5614 	    if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL)
5615 	    {
5616 		if (expmap && cpo_special)
5617 		{
5618 		    ga_clear(&ga);
5619 		    return NULL;
5620 		}
5621 		c = TO_SPECIAL(str[1], str[2]);
5622 		if (c == K_ZERO)	/* display <Nul> as ^@ */
5623 		    c = NUL;
5624 		str += 2;
5625 	    }
5626 	    if (IS_SPECIAL(c) || modifiers)	/* special key */
5627 	    {
5628 		if (expmap && cpo_special)
5629 		{
5630 		    ga_clear(&ga);
5631 		    return NULL;
5632 		}
5633 		ga_concat(&ga, get_special_key_name(c, modifiers));
5634 		continue; /* for (str) */
5635 	    }
5636 	}
5637 	if (c == ' ' || c == '\t' || c == Ctrl_J || c == Ctrl_V
5638 	    || (c == '<' && !cpo_special) || (c == '\\' && !cpo_bslash))
5639 	    ga_append(&ga, cpo_bslash ? Ctrl_V : '\\');
5640 	if (c)
5641 	    ga_append(&ga, c);
5642     }
5643     ga_append(&ga, NUL);
5644     return (char_u *)(ga.ga_data);
5645 }
5646 #endif
5647 
5648 #if (defined(WIN3264) && !defined(FEAT_GUI)) || defined(PROTO)
5649 static char ksme_str[20];
5650 static char ksmr_str[20];
5651 static char ksmd_str[20];
5652 
5653 /*
5654  * For Win32 console: update termcap codes for existing console attributes.
5655  */
5656     void
5657 update_tcap(attr)
5658     int attr;
5659 {
5660     struct builtin_term *p;
5661 
5662     p = find_builtin_term(DEFAULT_TERM);
5663     sprintf(ksme_str, IF_EB("\033|%dm", ESC_STR "|%dm"), attr);
5664     sprintf(ksmd_str, IF_EB("\033|%dm", ESC_STR "|%dm"),
5665 				     attr | 0x08);  /* FOREGROUND_INTENSITY */
5666     sprintf(ksmr_str, IF_EB("\033|%dm", ESC_STR "|%dm"),
5667 				 ((attr & 0x0F) << 4) | ((attr & 0xF0) >> 4));
5668 
5669     while (p->bt_string != NULL)
5670     {
5671       if (p->bt_entry == (int)KS_ME)
5672 	  p->bt_string = &ksme_str[0];
5673       else if (p->bt_entry == (int)KS_MR)
5674 	  p->bt_string = &ksmr_str[0];
5675       else if (p->bt_entry == (int)KS_MD)
5676 	  p->bt_string = &ksmd_str[0];
5677       ++p;
5678     }
5679 }
5680 #endif
5681