xref: /vim-8.2.3635/src/term.c (revision e48a2dd3)
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  * structures with all entries, 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 
203 # if defined(AMIGA) || defined(ALL_BUILTIN_TCAPS)
204 /*
205  * Amiga console window, default for Amiga
206  */
207     {(int)KS_NAME,	"amiga"},
208     {(int)KS_CE,	"\033[K"},
209     {(int)KS_CD,	"\033[J"},
210     {(int)KS_AL,	"\033[L"},
211 #  ifdef TERMINFO
212     {(int)KS_CAL,	"\033[%p1%dL"},
213 #  else
214     {(int)KS_CAL,	"\033[%dL"},
215 #  endif
216     {(int)KS_DL,	"\033[M"},
217 #  ifdef TERMINFO
218     {(int)KS_CDL,	"\033[%p1%dM"},
219 #  else
220     {(int)KS_CDL,	"\033[%dM"},
221 #  endif
222     {(int)KS_CL,	"\014"},
223     {(int)KS_VI,	"\033[0 p"},
224     {(int)KS_VE,	"\033[1 p"},
225     {(int)KS_ME,	"\033[0m"},
226     {(int)KS_MR,	"\033[7m"},
227     {(int)KS_MD,	"\033[1m"},
228     {(int)KS_SE,	"\033[0m"},
229     {(int)KS_SO,	"\033[33m"},
230     {(int)KS_US,	"\033[4m"},
231     {(int)KS_UE,	"\033[0m"},
232     {(int)KS_CZH,	"\033[3m"},
233     {(int)KS_CZR,	"\033[0m"},
234 #if defined(__MORPHOS__) || defined(__AROS__)
235     {(int)KS_CCO,	"8"},		/* allow 8 colors */
236 #  ifdef TERMINFO
237     {(int)KS_CAB,	"\033[4%p1%dm"},/* set background color */
238     {(int)KS_CAF,	"\033[3%p1%dm"},/* set foreground color */
239 #  else
240     {(int)KS_CAB,	"\033[4%dm"},	/* set background color */
241     {(int)KS_CAF,	"\033[3%dm"},	/* set foreground color */
242 #  endif
243     {(int)KS_OP,	"\033[m"},	/* reset colors */
244 #endif
245     {(int)KS_MS,	"y"},
246     {(int)KS_UT,	"y"},		/* guessed */
247     {(int)KS_LE,	"\b"},
248 #  ifdef TERMINFO
249     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
250 #  else
251     {(int)KS_CM,	"\033[%i%d;%dH"},
252 #  endif
253 #if defined(__MORPHOS__)
254     {(int)KS_SR,	"\033M"},
255 #endif
256 #  ifdef TERMINFO
257     {(int)KS_CRI,	"\033[%p1%dC"},
258 #  else
259     {(int)KS_CRI,	"\033[%dC"},
260 #  endif
261     {K_UP,		"\233A"},
262     {K_DOWN,		"\233B"},
263     {K_LEFT,		"\233D"},
264     {K_RIGHT,		"\233C"},
265     {K_S_UP,		"\233T"},
266     {K_S_DOWN,		"\233S"},
267     {K_S_LEFT,		"\233 A"},
268     {K_S_RIGHT,		"\233 @"},
269     {K_S_TAB,		"\233Z"},
270     {K_F1,		"\233\060~"},/* some compilers don't dig "\2330" */
271     {K_F2,		"\233\061~"},
272     {K_F3,		"\233\062~"},
273     {K_F4,		"\233\063~"},
274     {K_F5,		"\233\064~"},
275     {K_F6,		"\233\065~"},
276     {K_F7,		"\233\066~"},
277     {K_F8,		"\233\067~"},
278     {K_F9,		"\233\070~"},
279     {K_F10,		"\233\071~"},
280     {K_S_F1,		"\233\061\060~"},
281     {K_S_F2,		"\233\061\061~"},
282     {K_S_F3,		"\233\061\062~"},
283     {K_S_F4,		"\233\061\063~"},
284     {K_S_F5,		"\233\061\064~"},
285     {K_S_F6,		"\233\061\065~"},
286     {K_S_F7,		"\233\061\066~"},
287     {K_S_F8,		"\233\061\067~"},
288     {K_S_F9,		"\233\061\070~"},
289     {K_S_F10,		"\233\061\071~"},
290     {K_HELP,		"\233?~"},
291     {K_INS,		"\233\064\060~"},	/* 101 key keyboard */
292     {K_PAGEUP,		"\233\064\061~"},	/* 101 key keyboard */
293     {K_PAGEDOWN,	"\233\064\062~"},	/* 101 key keyboard */
294     {K_HOME,		"\233\064\064~"},	/* 101 key keyboard */
295     {K_END,		"\233\064\065~"},	/* 101 key keyboard */
296 
297     {BT_EXTRA_KEYS,	""},
298     {TERMCAP2KEY('#', '2'), "\233\065\064~"},	/* shifted home key */
299     {TERMCAP2KEY('#', '3'), "\233\065\060~"},	/* shifted insert key */
300     {TERMCAP2KEY('*', '7'), "\233\065\065~"},	/* shifted end key */
301 # endif
302 
303 # if defined(__BEOS__) || defined(ALL_BUILTIN_TCAPS)
304 /*
305  * almost standard ANSI terminal, default for bebox
306  */
307     {(int)KS_NAME,	"beos-ansi"},
308     {(int)KS_CE,	"\033[K"},
309     {(int)KS_CD,	"\033[J"},
310     {(int)KS_AL,	"\033[L"},
311 #  ifdef TERMINFO
312     {(int)KS_CAL,	"\033[%p1%dL"},
313 #  else
314     {(int)KS_CAL,	"\033[%dL"},
315 #  endif
316     {(int)KS_DL,	"\033[M"},
317 #  ifdef TERMINFO
318     {(int)KS_CDL,	"\033[%p1%dM"},
319 #  else
320     {(int)KS_CDL,	"\033[%dM"},
321 #  endif
322 #ifdef BEOS_PR_OR_BETTER
323 #  ifdef TERMINFO
324     {(int)KS_CS,	"\033[%i%p1%d;%p2%dr"},
325 #  else
326     {(int)KS_CS,	"\033[%i%d;%dr"},	/* scroll region */
327 #  endif
328 #endif
329     {(int)KS_CL,	"\033[H\033[2J"},
330 #ifdef notyet
331     {(int)KS_VI,	"[VI]"}, /* cursor invisible, VT320: CSI ? 25 l */
332     {(int)KS_VE,	"[VE]"}, /* cursor visible, VT320: CSI ? 25 h */
333 #endif
334     {(int)KS_ME,	"\033[m"},	/* normal mode */
335     {(int)KS_MR,	"\033[7m"},	/* reverse */
336     {(int)KS_MD,	"\033[1m"},	/* bold */
337     {(int)KS_SO,	"\033[31m"},	/* standout mode: red */
338     {(int)KS_SE,	"\033[m"},	/* standout end */
339     {(int)KS_CZH,	"\033[35m"},	/* italic: purple */
340     {(int)KS_CZR,	"\033[m"},	/* italic end */
341     {(int)KS_US,	"\033[4m"},	/* underscore mode */
342     {(int)KS_UE,	"\033[m"},	/* underscore end */
343     {(int)KS_CCO,	"8"},		/* allow 8 colors */
344 #  ifdef TERMINFO
345     {(int)KS_CAB,	"\033[4%p1%dm"},/* set background color */
346     {(int)KS_CAF,	"\033[3%p1%dm"},/* set foreground color */
347 #  else
348     {(int)KS_CAB,	"\033[4%dm"},	/* set background color */
349     {(int)KS_CAF,	"\033[3%dm"},	/* set foreground color */
350 #  endif
351     {(int)KS_OP,	"\033[m"},	/* reset colors */
352     {(int)KS_MS,	"y"},		/* safe to move cur in reverse mode */
353     {(int)KS_UT,	"y"},		/* guessed */
354     {(int)KS_LE,	"\b"},
355 #  ifdef TERMINFO
356     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
357 #  else
358     {(int)KS_CM,	"\033[%i%d;%dH"},
359 #  endif
360     {(int)KS_SR,	"\033M"},
361 #  ifdef TERMINFO
362     {(int)KS_CRI,	"\033[%p1%dC"},
363 #  else
364     {(int)KS_CRI,	"\033[%dC"},
365 #  endif
366 #if defined(BEOS_DR8)
367     {(int)KS_DB,	""},		/* hack! see screen.c */
368 #endif
369 
370     {K_UP,		"\033[A"},
371     {K_DOWN,		"\033[B"},
372     {K_LEFT,		"\033[D"},
373     {K_RIGHT,		"\033[C"},
374 # endif
375 
376 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS) || defined(SOME_BUILTIN_TCAPS) || defined(__EMX__)
377 /*
378  * standard ANSI terminal, default for unix
379  */
380     {(int)KS_NAME,	"ansi"},
381     {(int)KS_CE,	IF_EB("\033[K", ESC_STR "[K")},
382     {(int)KS_AL,	IF_EB("\033[L", ESC_STR "[L")},
383 #  ifdef TERMINFO
384     {(int)KS_CAL,	IF_EB("\033[%p1%dL", ESC_STR "[%p1%dL")},
385 #  else
386     {(int)KS_CAL,	IF_EB("\033[%dL", ESC_STR "[%dL")},
387 #  endif
388     {(int)KS_DL,	IF_EB("\033[M", ESC_STR "[M")},
389 #  ifdef TERMINFO
390     {(int)KS_CDL,	IF_EB("\033[%p1%dM", ESC_STR "[%p1%dM")},
391 #  else
392     {(int)KS_CDL,	IF_EB("\033[%dM", ESC_STR "[%dM")},
393 #  endif
394     {(int)KS_CL,	IF_EB("\033[H\033[2J", ESC_STR "[H" ESC_STR_nc "[2J")},
395     {(int)KS_ME,	IF_EB("\033[0m", ESC_STR "[0m")},
396     {(int)KS_MR,	IF_EB("\033[7m", ESC_STR "[7m")},
397     {(int)KS_MS,	"y"},
398     {(int)KS_UT,	"y"},		/* guessed */
399     {(int)KS_LE,	"\b"},
400 #  ifdef TERMINFO
401     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH", ESC_STR "[%i%p1%d;%p2%dH")},
402 #  else
403     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
404 #  endif
405 #  ifdef TERMINFO
406     {(int)KS_CRI,	IF_EB("\033[%p1%dC", ESC_STR "[%p1%dC")},
407 #  else
408     {(int)KS_CRI,	IF_EB("\033[%dC", ESC_STR "[%dC")},
409 #  endif
410 # endif
411 
412 # if defined(MSDOS) || defined(ALL_BUILTIN_TCAPS) || defined(__EMX__)
413 /*
414  * These codes are valid when nansi.sys or equivalent has been installed.
415  * Function keys on a PC are preceded with a NUL. These are converted into
416  * K_NUL '\316' in mch_inchar(), because we cannot handle NULs in key codes.
417  * CTRL-arrow is used instead of SHIFT-arrow.
418  */
419 #ifdef __EMX__
420     {(int)KS_NAME,	"os2ansi"},
421 #else
422     {(int)KS_NAME,	"pcansi"},
423     {(int)KS_DL,	"\033[M"},
424     {(int)KS_AL,	"\033[L"},
425 #endif
426     {(int)KS_CE,	"\033[K"},
427     {(int)KS_CL,	"\033[2J"},
428     {(int)KS_ME,	"\033[0m"},
429     {(int)KS_MR,	"\033[5m"},	/* reverse: black on lightgrey */
430     {(int)KS_MD,	"\033[1m"},	/* bold: white text */
431     {(int)KS_SE,	"\033[0m"},	/* standout end */
432     {(int)KS_SO,	"\033[31m"},	/* standout: white on blue */
433     {(int)KS_CZH,	"\033[34;43m"},	/* italic mode: blue text on yellow */
434     {(int)KS_CZR,	"\033[0m"},	/* italic mode end */
435     {(int)KS_US,	"\033[36;41m"},	/* underscore mode: cyan text on red */
436     {(int)KS_UE,	"\033[0m"},	/* underscore mode end */
437     {(int)KS_CCO,	"8"},		/* allow 8 colors */
438 #  ifdef TERMINFO
439     {(int)KS_CAB,	"\033[4%p1%dm"},/* set background color */
440     {(int)KS_CAF,	"\033[3%p1%dm"},/* set foreground color */
441 #  else
442     {(int)KS_CAB,	"\033[4%dm"},	/* set background color */
443     {(int)KS_CAF,	"\033[3%dm"},	/* set foreground color */
444 #  endif
445     {(int)KS_OP,	"\033[0m"},	/* reset colors */
446     {(int)KS_MS,	"y"},
447     {(int)KS_UT,	"y"},		/* guessed */
448     {(int)KS_LE,	"\b"},
449 #  ifdef TERMINFO
450     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
451 #  else
452     {(int)KS_CM,	"\033[%i%d;%dH"},
453 #  endif
454 #  ifdef TERMINFO
455     {(int)KS_CRI,	"\033[%p1%dC"},
456 #  else
457     {(int)KS_CRI,	"\033[%dC"},
458 #  endif
459     {K_UP,		"\316H"},
460     {K_DOWN,		"\316P"},
461     {K_LEFT,		"\316K"},
462     {K_RIGHT,		"\316M"},
463     {K_S_LEFT,		"\316s"},
464     {K_S_RIGHT,		"\316t"},
465     {K_F1,		"\316;"},
466     {K_F2,		"\316<"},
467     {K_F3,		"\316="},
468     {K_F4,		"\316>"},
469     {K_F5,		"\316?"},
470     {K_F6,		"\316@"},
471     {K_F7,		"\316A"},
472     {K_F8,		"\316B"},
473     {K_F9,		"\316C"},
474     {K_F10,		"\316D"},
475     {K_F11,		"\316\205"},	/* guessed */
476     {K_F12,		"\316\206"},	/* guessed */
477     {K_S_F1,		"\316T"},
478     {K_S_F2,		"\316U"},
479     {K_S_F3,		"\316V"},
480     {K_S_F4,		"\316W"},
481     {K_S_F5,		"\316X"},
482     {K_S_F6,		"\316Y"},
483     {K_S_F7,		"\316Z"},
484     {K_S_F8,		"\316["},
485     {K_S_F9,		"\316\\"},
486     {K_S_F10,		"\316]"},
487     {K_S_F11,		"\316\207"},	/* guessed */
488     {K_S_F12,		"\316\210"},	/* guessed */
489     {K_INS,		"\316R"},
490     {K_DEL,		"\316S"},
491     {K_HOME,		"\316G"},
492     {K_END,		"\316O"},
493     {K_PAGEDOWN,	"\316Q"},
494     {K_PAGEUP,		"\316I"},
495 # endif
496 
497 # if defined(MSDOS)
498 /*
499  * These codes are valid for the pc video.  The entries that start with ESC |
500  * are translated into conio calls in os_msdos.c. Default for MSDOS.
501  */
502     {(int)KS_NAME,	"pcterm"},
503     {(int)KS_CE,	"\033|K"},
504     {(int)KS_AL,	"\033|L"},
505     {(int)KS_DL,	"\033|M"},
506 #  ifdef TERMINFO
507     {(int)KS_CS,	"\033|%i%p1%d;%p2%dr"},
508 #   ifdef FEAT_VERTSPLIT
509     {(int)KS_CSV,	"\033|%i%p1%d;%p2%dV"},
510 #   endif
511 #  else
512     {(int)KS_CS,	"\033|%i%d;%dr"},
513 #   ifdef FEAT_VERTSPLIT
514     {(int)KS_CSV,	"\033|%i%d;%dV"},
515 #   endif
516 #  endif
517     {(int)KS_CL,	"\033|J"},
518     {(int)KS_ME,	"\033|0m"},	/* normal */
519     {(int)KS_MR,	"\033|112m"},	/* reverse: black on lightgrey */
520     {(int)KS_MD,	"\033|15m"},	/* bold: white text */
521     {(int)KS_SE,	"\033|0m"},	/* standout end */
522     {(int)KS_SO,	"\033|31m"},	/* standout: white on blue */
523     {(int)KS_CZH,	"\033|225m"},	/* italic mode: blue text on yellow */
524     {(int)KS_CZR,	"\033|0m"},	/* italic mode end */
525     {(int)KS_US,	"\033|67m"},	/* underscore mode: cyan text on red */
526     {(int)KS_UE,	"\033|0m"},	/* underscore mode end */
527     {(int)KS_CCO,	"16"},		/* allow 16 colors */
528 #  ifdef TERMINFO
529     {(int)KS_CAB,	"\033|%p1%db"},	/* set background color */
530     {(int)KS_CAF,	"\033|%p1%df"},	/* set foreground color */
531 #  else
532     {(int)KS_CAB,	"\033|%db"},	/* set background color */
533     {(int)KS_CAF,	"\033|%df"},	/* set foreground color */
534 #  endif
535     {(int)KS_MS,	"y"},
536     {(int)KS_UT,	"y"},
537     {(int)KS_LE,	"\b"},
538 #  ifdef TERMINFO
539     {(int)KS_CM,	"\033|%i%p1%d;%p2%dH"},
540 #  else
541     {(int)KS_CM,	"\033|%i%d;%dH"},
542 #  endif
543 #ifdef DJGPP
544     {(int)KS_VB,	"\033|B"},	/* visual bell */
545 #endif
546     {K_UP,		"\316H"},
547     {K_DOWN,		"\316P"},
548     {K_LEFT,		"\316K"},
549     {K_RIGHT,		"\316M"},
550     {K_S_LEFT,		"\316s"},
551     {K_S_RIGHT,		"\316t"},
552     {K_S_TAB,		"\316\017"},
553     {K_F1,		"\316;"},
554     {K_F2,		"\316<"},
555     {K_F3,		"\316="},
556     {K_F4,		"\316>"},
557     {K_F5,		"\316?"},
558     {K_F6,		"\316@"},
559     {K_F7,		"\316A"},
560     {K_F8,		"\316B"},
561     {K_F9,		"\316C"},
562     {K_F10,		"\316D"},
563     {K_F11,		"\316\205"},
564     {K_F12,		"\316\206"},
565     {K_S_F1,		"\316T"},
566     {K_S_F2,		"\316U"},
567     {K_S_F3,		"\316V"},
568     {K_S_F4,		"\316W"},
569     {K_S_F5,		"\316X"},
570     {K_S_F6,		"\316Y"},
571     {K_S_F7,		"\316Z"},
572     {K_S_F8,		"\316["},
573     {K_S_F9,		"\316\\"},
574     {K_S_F10,		"\316]"},
575     {K_S_F11,		"\316\207"},
576     {K_S_F12,		"\316\210"},
577     {K_INS,		"\316R"},
578     {K_DEL,		"\316S"},
579     {K_HOME,		"\316G"},
580     {K_END,		"\316O"},
581     {K_PAGEDOWN,	"\316Q"},
582     {K_PAGEUP,		"\316I"},
583     {K_KPLUS,		"\316N"},
584     {K_KMINUS,		"\316J"},
585     {K_KMULTIPLY,	"\3167"},
586     {K_K0,		"\316\332"},
587     {K_K1,		"\316\336"},
588     {K_K2,		"\316\342"},
589     {K_K3,		"\316\346"},
590     {K_K4,		"\316\352"},
591     {K_K5,		"\316\356"},
592     {K_K6,		"\316\362"},
593     {K_K7,		"\316\366"},
594     {K_K8,		"\316\372"},
595     {K_K9,		"\316\376"},
596 # endif
597 
598 # if defined(WIN3264) || defined(ALL_BUILTIN_TCAPS) || defined(__EMX__)
599 /*
600  * These codes are valid for the Win32 Console .  The entries that start with
601  * ESC | are translated into console calls in os_win32.c.  The function keys
602  * are also translated in os_win32.c.
603  */
604     {(int)KS_NAME,	"win32"},
605     {(int)KS_CE,	"\033|K"},	/* clear to end of line */
606     {(int)KS_AL,	"\033|L"},	/* add new blank line */
607 #  ifdef TERMINFO
608     {(int)KS_CAL,	"\033|%p1%dL"},	/* add number of new blank lines */
609 #  else
610     {(int)KS_CAL,	"\033|%dL"},	/* add number of new blank lines */
611 #  endif
612     {(int)KS_DL,	"\033|M"},	/* delete line */
613 #  ifdef TERMINFO
614     {(int)KS_CDL,	"\033|%p1%dM"},	/* delete number of lines */
615 #  else
616     {(int)KS_CDL,	"\033|%dM"},	/* delete number of lines */
617 #  endif
618     {(int)KS_CL,	"\033|J"},	/* clear screen */
619     {(int)KS_CD,	"\033|j"},	/* clear to end of display */
620     {(int)KS_VI,	"\033|v"},	/* cursor invisible */
621     {(int)KS_VE,	"\033|V"},	/* cursor visible */
622 
623     {(int)KS_ME,	"\033|0m"},	/* normal */
624     {(int)KS_MR,	"\033|112m"},	/* reverse: black on lightgray */
625     {(int)KS_MD,	"\033|15m"},	/* bold: white on black */
626 #if 1
627     {(int)KS_SO,	"\033|31m"},	/* standout: white on blue */
628     {(int)KS_SE,	"\033|0m"},	/* standout end */
629 #else
630     {(int)KS_SO,	"\033|F"},	/* standout: high intensity */
631     {(int)KS_SE,	"\033|f"},	/* standout end */
632 #endif
633     {(int)KS_CZH,	"\033|225m"},	/* italic: blue text on yellow */
634     {(int)KS_CZR,	"\033|0m"},	/* italic end */
635     {(int)KS_US,	"\033|67m"},	/* underscore: cyan text on red */
636     {(int)KS_UE,	"\033|0m"},	/* underscore end */
637     {(int)KS_CCO,	"16"},		/* allow 16 colors */
638 #  ifdef TERMINFO
639     {(int)KS_CAB,	"\033|%p1%db"},	/* set background color */
640     {(int)KS_CAF,	"\033|%p1%df"},	/* set foreground color */
641 #  else
642     {(int)KS_CAB,	"\033|%db"},	/* set background color */
643     {(int)KS_CAF,	"\033|%df"},	/* set foreground color */
644 #  endif
645 
646     {(int)KS_MS,	"y"},		/* save to move cur in reverse mode */
647     {(int)KS_UT,	"y"},
648     {(int)KS_LE,	"\b"},
649 #  ifdef TERMINFO
650     {(int)KS_CM,	"\033|%i%p1%d;%p2%dH"},/* cursor motion */
651 #  else
652     {(int)KS_CM,	"\033|%i%d;%dH"},/* cursor motion */
653 #  endif
654     {(int)KS_VB,	"\033|B"},	/* visual bell */
655     {(int)KS_TI,	"\033|S"},	/* put terminal in termcap mode */
656     {(int)KS_TE,	"\033|E"},	/* out of termcap mode */
657 #  ifdef TERMINFO
658     {(int)KS_CS,	"\033|%i%p1%d;%p2%dr"},/* scroll region */
659 #  else
660     {(int)KS_CS,	"\033|%i%d;%dr"},/* scroll region */
661 #  endif
662 
663     {K_UP,		"\316H"},
664     {K_DOWN,		"\316P"},
665     {K_LEFT,		"\316K"},
666     {K_RIGHT,		"\316M"},
667     {K_S_UP,		"\316\304"},
668     {K_S_DOWN,		"\316\317"},
669     {K_S_LEFT,		"\316\311"},
670     {K_C_LEFT,		"\316s"},
671     {K_S_RIGHT,		"\316\313"},
672     {K_C_RIGHT,		"\316t"},
673     {K_S_TAB,		"\316\017"},
674     {K_F1,		"\316;"},
675     {K_F2,		"\316<"},
676     {K_F3,		"\316="},
677     {K_F4,		"\316>"},
678     {K_F5,		"\316?"},
679     {K_F6,		"\316@"},
680     {K_F7,		"\316A"},
681     {K_F8,		"\316B"},
682     {K_F9,		"\316C"},
683     {K_F10,		"\316D"},
684     {K_F11,		"\316\205"},
685     {K_F12,		"\316\206"},
686     {K_S_F1,		"\316T"},
687     {K_S_F2,		"\316U"},
688     {K_S_F3,		"\316V"},
689     {K_S_F4,		"\316W"},
690     {K_S_F5,		"\316X"},
691     {K_S_F6,		"\316Y"},
692     {K_S_F7,		"\316Z"},
693     {K_S_F8,		"\316["},
694     {K_S_F9,		"\316\\"},
695     {K_S_F10,		"\316]"},
696     {K_S_F11,		"\316\207"},
697     {K_S_F12,		"\316\210"},
698     {K_INS,		"\316R"},
699     {K_DEL,		"\316S"},
700     {K_HOME,		"\316G"},
701     {K_S_HOME,		"\316\302"},
702     {K_C_HOME,		"\316w"},
703     {K_END,		"\316O"},
704     {K_S_END,		"\316\315"},
705     {K_C_END,		"\316u"},
706     {K_PAGEDOWN,	"\316Q"},
707     {K_PAGEUP,		"\316I"},
708     {K_KPLUS,		"\316N"},
709     {K_KMINUS,		"\316J"},
710     {K_KMULTIPLY,	"\316\067"},
711     {K_K0,		"\316\332"},
712     {K_K1,		"\316\336"},
713     {K_K2,		"\316\342"},
714     {K_K3,		"\316\346"},
715     {K_K4,		"\316\352"},
716     {K_K5,		"\316\356"},
717     {K_K6,		"\316\362"},
718     {K_K7,		"\316\366"},
719     {K_K8,		"\316\372"},
720     {K_K9,		"\316\376"},
721 # endif
722 
723 # if defined(VMS) || defined(ALL_BUILTIN_TCAPS)
724 /*
725  * VT320 is working as an ANSI terminal compatible DEC terminal.
726  * (it covers VT1x0, VT2x0 and VT3x0 up to VT320 on VMS as well)
727  * Note: K_F1...K_F5 are for internal use, should not be defined.
728  * TODO:- rewrite ESC[ codes to CSI
729  *      - keyboard languages (CSI ? 26 n)
730  */
731     {(int)KS_NAME,	"vt320"},
732     {(int)KS_CE,	IF_EB("\033[K", ESC_STR "[K")},
733     {(int)KS_AL,	IF_EB("\033[L", ESC_STR "[L")},
734 #  ifdef TERMINFO
735     {(int)KS_CAL,	IF_EB("\033[%p1%dL", ESC_STR "[%p1%dL")},
736 #  else
737     {(int)KS_CAL,	IF_EB("\033[%dL", ESC_STR "[%dL")},
738 #  endif
739     {(int)KS_DL,	IF_EB("\033[M", ESC_STR "[M")},
740 #  ifdef TERMINFO
741     {(int)KS_CDL,	IF_EB("\033[%p1%dM", ESC_STR "[%p1%dM")},
742 #  else
743     {(int)KS_CDL,	IF_EB("\033[%dM", ESC_STR "[%dM")},
744 #  endif
745     {(int)KS_CL,	IF_EB("\033[H\033[2J", ESC_STR "[H" ESC_STR_nc "[2J")},
746     {(int)KS_CD,	IF_EB("\033[J", ESC_STR "[J")},
747     {(int)KS_CCO,	"8"},			/* allow 8 colors */
748     {(int)KS_ME,	IF_EB("\033[0m", ESC_STR "[0m")},
749     {(int)KS_MR,	IF_EB("\033[7m", ESC_STR "[7m")},
750     {(int)KS_MD,	IF_EB("\033[1m", ESC_STR "[1m")},  /* bold mode */
751     {(int)KS_SE,	IF_EB("\033[22m", ESC_STR "[22m")},/* normal mode */
752     {(int)KS_UE,	IF_EB("\033[24m", ESC_STR "[24m")},/* exit underscore mode */
753     {(int)KS_US,	IF_EB("\033[4m", ESC_STR "[4m")},  /* underscore mode */
754     {(int)KS_CZH,	IF_EB("\033[34;43m", ESC_STR "[34;43m")},  /* italic mode: blue text on yellow */
755     {(int)KS_CZR,	IF_EB("\033[0m", ESC_STR "[0m")},	    /* italic mode end */
756     {(int)KS_CAB,	IF_EB("\033[4%dm", ESC_STR "[4%dm")},	    /* set background color (ANSI) */
757     {(int)KS_CAF,	IF_EB("\033[3%dm", ESC_STR "[3%dm")},	    /* set foreground color (ANSI) */
758     {(int)KS_CSB,	IF_EB("\033[102;%dm", ESC_STR "[102;%dm")},	/* set screen background color */
759     {(int)KS_CSF,	IF_EB("\033[101;%dm", ESC_STR "[101;%dm")},	/* set screen foreground color */
760     {(int)KS_MS,	"y"},
761     {(int)KS_UT,	"y"},
762     {(int)KS_LE,	"\b"},
763 #  ifdef TERMINFO
764     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
765 						  ESC_STR "[%i%p1%d;%p2%dH")},
766 #  else
767     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
768 #  endif
769 #  ifdef TERMINFO
770     {(int)KS_CRI,	IF_EB("\033[%p1%dC", ESC_STR "[%p1%dC")},
771 #  else
772     {(int)KS_CRI,	IF_EB("\033[%dC", ESC_STR "[%dC")},
773 #  endif
774     {K_UP,		IF_EB("\033[A", ESC_STR "[A")},
775     {K_DOWN,		IF_EB("\033[B", ESC_STR "[B")},
776     {K_RIGHT,		IF_EB("\033[C", ESC_STR "[C")},
777     {K_LEFT,		IF_EB("\033[D", ESC_STR "[D")},
778     {K_F1,		IF_EB("\033[11~", ESC_STR "[11~")},
779     {K_F2,		IF_EB("\033[12~", ESC_STR "[12~")},
780     {K_F3,		IF_EB("\033[13~", ESC_STR "[13~")},
781     {K_F4,		IF_EB("\033[14~", ESC_STR "[14~")},
782     {K_F5,		IF_EB("\033[15~", ESC_STR "[15~")},
783     {K_F6,		IF_EB("\033[17~", ESC_STR "[17~")},
784     {K_F7,		IF_EB("\033[18~", ESC_STR "[18~")},
785     {K_F8,		IF_EB("\033[19~", ESC_STR "[19~")},
786     {K_F9,		IF_EB("\033[20~", ESC_STR "[20~")},
787     {K_F10,		IF_EB("\033[21~", ESC_STR "[21~")},
788     {K_F11,		IF_EB("\033[23~", ESC_STR "[23~")},
789     {K_F12,		IF_EB("\033[24~", ESC_STR "[24~")},
790     {K_F13,		IF_EB("\033[25~", ESC_STR "[25~")},
791     {K_F14,		IF_EB("\033[26~", ESC_STR "[26~")},
792     {K_F15,		IF_EB("\033[28~", ESC_STR "[28~")},	/* Help */
793     {K_F16,		IF_EB("\033[29~", ESC_STR "[29~")},	/* Select */
794     {K_F17,		IF_EB("\033[31~", ESC_STR "[31~")},
795     {K_F18,		IF_EB("\033[32~", ESC_STR "[32~")},
796     {K_F19,		IF_EB("\033[33~", ESC_STR "[33~")},
797     {K_F20,		IF_EB("\033[34~", ESC_STR "[34~")},
798     {K_INS,		IF_EB("\033[2~", ESC_STR "[2~")},
799     {K_DEL,		IF_EB("\033[3~", ESC_STR "[3~")},
800     {K_HOME,		IF_EB("\033[1~", ESC_STR "[1~")},
801     {K_END,		IF_EB("\033[4~", ESC_STR "[4~")},
802     {K_PAGEUP,		IF_EB("\033[5~", ESC_STR "[5~")},
803     {K_PAGEDOWN,	IF_EB("\033[6~", ESC_STR "[6~")},
804     {K_KPLUS,		IF_EB("\033Ok", ESC_STR "Ok")},	/* keypad plus */
805     {K_KMINUS,		IF_EB("\033Om", ESC_STR "Om")},	/* keypad minus */
806     {K_KDIVIDE,		IF_EB("\033Oo", ESC_STR "Oo")},	/* keypad / */
807     {K_KMULTIPLY,	IF_EB("\033Oj", ESC_STR "Oj")},	/* keypad * */
808     {K_KENTER,		IF_EB("\033OM", ESC_STR "OM")},	/* keypad Enter */
809     {K_BS,		"\x7f"},	/* for some reason 0177 doesn't work */
810 # endif
811 
812 # if defined(ALL_BUILTIN_TCAPS) || defined(__MINT__)
813 /*
814  * Ordinary vt52
815  */
816     {(int)KS_NAME,	"vt52"},
817     {(int)KS_CE,	IF_EB("\033K", ESC_STR "K")},
818     {(int)KS_CD,	IF_EB("\033J", ESC_STR "J")},
819     {(int)KS_CM,	IF_EB("\033Y%+ %+ ", ESC_STR "Y%+ %+ ")},
820     {(int)KS_LE,	"\b"},
821 #  ifdef __MINT__
822     {(int)KS_AL,	IF_EB("\033L", ESC_STR "L")},
823     {(int)KS_DL,	IF_EB("\033M", ESC_STR "M")},
824     {(int)KS_CL,	IF_EB("\033E", ESC_STR "E")},
825     {(int)KS_SR,	IF_EB("\033I", ESC_STR "I")},
826     {(int)KS_VE,	IF_EB("\033e", ESC_STR "e")},
827     {(int)KS_VI,	IF_EB("\033f", ESC_STR "f")},
828     {(int)KS_SO,	IF_EB("\033p", ESC_STR "p")},
829     {(int)KS_SE,	IF_EB("\033q", ESC_STR "q")},
830     {K_UP,		IF_EB("\033A", ESC_STR "A")},
831     {K_DOWN,		IF_EB("\033B", ESC_STR "B")},
832     {K_LEFT,		IF_EB("\033D", ESC_STR "D")},
833     {K_RIGHT,		IF_EB("\033C", ESC_STR "C")},
834     {K_S_UP,		IF_EB("\033a", ESC_STR "a")},
835     {K_S_DOWN,		IF_EB("\033b", ESC_STR "b")},
836     {K_S_LEFT,		IF_EB("\033d", ESC_STR "d")},
837     {K_S_RIGHT,		IF_EB("\033c", ESC_STR "c")},
838     {K_F1,		IF_EB("\033P", ESC_STR "P")},
839     {K_F2,		IF_EB("\033Q", ESC_STR "Q")},
840     {K_F3,		IF_EB("\033R", ESC_STR "R")},
841     {K_F4,		IF_EB("\033S", ESC_STR "S")},
842     {K_F5,		IF_EB("\033T", ESC_STR "T")},
843     {K_F6,		IF_EB("\033U", ESC_STR "U")},
844     {K_F7,		IF_EB("\033V", ESC_STR "V")},
845     {K_F8,		IF_EB("\033W", ESC_STR "W")},
846     {K_F9,		IF_EB("\033X", ESC_STR "X")},
847     {K_F10,		IF_EB("\033Y", ESC_STR "Y")},
848     {K_S_F1,		IF_EB("\033p", ESC_STR "p")},
849     {K_S_F2,		IF_EB("\033q", ESC_STR "q")},
850     {K_S_F3,		IF_EB("\033r", ESC_STR "r")},
851     {K_S_F4,		IF_EB("\033s", ESC_STR "s")},
852     {K_S_F5,		IF_EB("\033t", ESC_STR "t")},
853     {K_S_F6,		IF_EB("\033u", ESC_STR "u")},
854     {K_S_F7,		IF_EB("\033v", ESC_STR "v")},
855     {K_S_F8,		IF_EB("\033w", ESC_STR "w")},
856     {K_S_F9,		IF_EB("\033x", ESC_STR "x")},
857     {K_S_F10,		IF_EB("\033y", ESC_STR "y")},
858     {K_INS,		IF_EB("\033I", ESC_STR "I")},
859     {K_HOME,		IF_EB("\033E", ESC_STR "E")},
860     {K_PAGEDOWN,	IF_EB("\033b", ESC_STR "b")},
861     {K_PAGEUP,		IF_EB("\033a", ESC_STR "a")},
862 #  else
863     {(int)KS_AL,	IF_EB("\033T", ESC_STR "T")},
864     {(int)KS_DL,	IF_EB("\033U", ESC_STR "U")},
865     {(int)KS_CL,	IF_EB("\033H\033J", ESC_STR "H" ESC_STR_nc "J")},
866     {(int)KS_ME,	IF_EB("\033SO", ESC_STR "SO")},
867     {(int)KS_MR,	IF_EB("\033S2", ESC_STR "S2")},
868     {(int)KS_MS,	"y"},
869 #  endif
870 # endif
871 
872 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS) || defined(SOME_BUILTIN_TCAPS) || defined(__EMX__)
873     {(int)KS_NAME,	"xterm"},
874     {(int)KS_CE,	IF_EB("\033[K", ESC_STR "[K")},
875     {(int)KS_AL,	IF_EB("\033[L", ESC_STR "[L")},
876 #  ifdef TERMINFO
877     {(int)KS_CAL,	IF_EB("\033[%p1%dL", ESC_STR "[%p1%dL")},
878 #  else
879     {(int)KS_CAL,	IF_EB("\033[%dL", ESC_STR "[%dL")},
880 #  endif
881     {(int)KS_DL,	IF_EB("\033[M", ESC_STR "[M")},
882 #  ifdef TERMINFO
883     {(int)KS_CDL,	IF_EB("\033[%p1%dM", ESC_STR "[%p1%dM")},
884 #  else
885     {(int)KS_CDL,	IF_EB("\033[%dM", ESC_STR "[%dM")},
886 #  endif
887 #  ifdef TERMINFO
888     {(int)KS_CS,	IF_EB("\033[%i%p1%d;%p2%dr",
889 						  ESC_STR "[%i%p1%d;%p2%dr")},
890 #  else
891     {(int)KS_CS,	IF_EB("\033[%i%d;%dr", ESC_STR "[%i%d;%dr")},
892 #  endif
893     {(int)KS_CL,	IF_EB("\033[H\033[2J", ESC_STR "[H" ESC_STR_nc "[2J")},
894     {(int)KS_CD,	IF_EB("\033[J", ESC_STR "[J")},
895     {(int)KS_ME,	IF_EB("\033[m", ESC_STR "[m")},
896     {(int)KS_MR,	IF_EB("\033[7m", ESC_STR "[7m")},
897     {(int)KS_MD,	IF_EB("\033[1m", ESC_STR "[1m")},
898     {(int)KS_UE,	IF_EB("\033[m", ESC_STR "[m")},
899     {(int)KS_US,	IF_EB("\033[4m", ESC_STR "[4m")},
900     {(int)KS_MS,	"y"},
901     {(int)KS_UT,	"y"},
902     {(int)KS_LE,	"\b"},
903 #  ifdef TERMINFO
904     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
905 						  ESC_STR "[%i%p1%d;%p2%dH")},
906 #  else
907     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
908 #  endif
909     {(int)KS_SR,	IF_EB("\033M", ESC_STR "M")},
910 #  ifdef TERMINFO
911     {(int)KS_CRI,	IF_EB("\033[%p1%dC", ESC_STR "[%p1%dC")},
912 #  else
913     {(int)KS_CRI,	IF_EB("\033[%dC", ESC_STR "[%dC")},
914 #  endif
915     {(int)KS_KS,	IF_EB("\033[?1h\033=", ESC_STR "[?1h" ESC_STR_nc "=")},
916     {(int)KS_KE,	IF_EB("\033[?1l\033>", ESC_STR "[?1l" ESC_STR_nc ">")},
917 #  ifdef FEAT_XTERM_SAVE
918     {(int)KS_TI,	IF_EB("\0337\033[?47h", ESC_STR "7" ESC_STR_nc "[?47h")},
919     {(int)KS_TE,	IF_EB("\033[2J\033[?47l\0338",
920 				  ESC_STR "[2J" ESC_STR_nc "[?47l" ESC_STR_nc "8")},
921 #  endif
922     {(int)KS_CIS,	IF_EB("\033]1;", ESC_STR "]1;")},
923     {(int)KS_CIE,	"\007"},
924     {(int)KS_TS,	IF_EB("\033]2;", ESC_STR "]2;")},
925     {(int)KS_FS,	"\007"},
926 #  ifdef TERMINFO
927     {(int)KS_CWS,	IF_EB("\033[8;%p1%d;%p2%dt",
928 						  ESC_STR "[8;%p1%d;%p2%dt")},
929     {(int)KS_CWP,	IF_EB("\033[3;%p1%d;%p2%dt",
930 						  ESC_STR "[3;%p1%d;%p2%dt")},
931 #  else
932     {(int)KS_CWS,	IF_EB("\033[8;%d;%dt", ESC_STR "[8;%d;%dt")},
933     {(int)KS_CWP,	IF_EB("\033[3;%d;%dt", ESC_STR "[3;%d;%dt")},
934 #  endif
935     {(int)KS_CRV,	IF_EB("\033[>c", ESC_STR "[>c")},
936 
937     {K_UP,		IF_EB("\033O*A", ESC_STR "O*A")},
938     {K_DOWN,		IF_EB("\033O*B", ESC_STR "O*B")},
939     {K_RIGHT,		IF_EB("\033O*C", ESC_STR "O*C")},
940     {K_LEFT,		IF_EB("\033O*D", ESC_STR "O*D")},
941     /* An extra set of cursor keys for vt100 mode */
942     {K_XUP,		IF_EB("\033[1;*A", ESC_STR "[1;*A")},
943     {K_XDOWN,		IF_EB("\033[1;*B", ESC_STR "[1;*B")},
944     {K_XRIGHT,		IF_EB("\033[1;*C", ESC_STR "[1;*C")},
945     {K_XLEFT,		IF_EB("\033[1;*D", ESC_STR "[1;*D")},
946     /* An extra set of function keys for vt100 mode */
947     {K_XF1,		IF_EB("\033O*P", ESC_STR "O*P")},
948     {K_XF2,		IF_EB("\033O*Q", ESC_STR "O*Q")},
949     {K_XF3,		IF_EB("\033O*R", ESC_STR "O*R")},
950     {K_XF4,		IF_EB("\033O*S", ESC_STR "O*S")},
951     {K_F1,		IF_EB("\033[11;*~", ESC_STR "[11;*~")},
952     {K_F2,		IF_EB("\033[12;*~", ESC_STR "[12;*~")},
953     {K_F3,		IF_EB("\033[13;*~", ESC_STR "[13;*~")},
954     {K_F4,		IF_EB("\033[14;*~", ESC_STR "[14;*~")},
955     {K_F5,		IF_EB("\033[15;*~", ESC_STR "[15;*~")},
956     {K_F6,		IF_EB("\033[17;*~", ESC_STR "[17;*~")},
957     {K_F7,		IF_EB("\033[18;*~", ESC_STR "[18;*~")},
958     {K_F8,		IF_EB("\033[19;*~", ESC_STR "[19;*~")},
959     {K_F9,		IF_EB("\033[20;*~", ESC_STR "[20;*~")},
960     {K_F10,		IF_EB("\033[21;*~", ESC_STR "[21;*~")},
961     {K_F11,		IF_EB("\033[23;*~", ESC_STR "[23;*~")},
962     {K_F12,		IF_EB("\033[24;*~", ESC_STR "[24;*~")},
963     {K_S_TAB,		IF_EB("\033[Z", ESC_STR "[Z")},
964     {K_HELP,		IF_EB("\033[28;*~", ESC_STR "[28;*~")},
965     {K_UNDO,		IF_EB("\033[26;*~", ESC_STR "[26;*~")},
966     {K_INS,		IF_EB("\033[2;*~", ESC_STR "[2;*~")},
967     {K_HOME,		IF_EB("\033[1;*H", ESC_STR "[1;*H")},
968     /* {K_S_HOME,		IF_EB("\033O2H", ESC_STR "O2H")}, */
969     /* {K_C_HOME,		IF_EB("\033O5H", ESC_STR "O5H")}, */
970     {K_KHOME,		IF_EB("\033[1;*~", ESC_STR "[1;*~")},
971     {K_XHOME,		IF_EB("\033O*H", ESC_STR "O*H")},	/* other Home */
972     {K_ZHOME,		IF_EB("\033[7;*~", ESC_STR "[7;*~")},	/* other Home */
973     {K_END,		IF_EB("\033[1;*F", ESC_STR "[1;*F")},
974     /* {K_S_END,		IF_EB("\033O2F", ESC_STR "O2F")}, */
975     /* {K_C_END,		IF_EB("\033O5F", ESC_STR "O5F")}, */
976     {K_KEND,		IF_EB("\033[4;*~", ESC_STR "[4;*~")},
977     {K_XEND,		IF_EB("\033O*F", ESC_STR "O*F")},	/* other End */
978     {K_ZEND,		IF_EB("\033[8;*~", ESC_STR "[8;*~")},
979     {K_PAGEUP,		IF_EB("\033[5;*~", ESC_STR "[5;*~")},
980     {K_PAGEDOWN,	IF_EB("\033[6;*~", ESC_STR "[6;*~")},
981     {K_KPLUS,		IF_EB("\033O*k", ESC_STR "O*k")},	/* keypad plus */
982     {K_KMINUS,		IF_EB("\033O*m", ESC_STR "O*m")},	/* keypad minus */
983     {K_KDIVIDE,		IF_EB("\033O*o", ESC_STR "O*o")},	/* keypad / */
984     {K_KMULTIPLY,	IF_EB("\033O*j", ESC_STR "O*j")},	/* keypad * */
985     {K_KENTER,		IF_EB("\033O*M", ESC_STR "O*M")},	/* keypad Enter */
986     {K_KPOINT,		IF_EB("\033O*n", ESC_STR "O*n")},	/* keypad . */
987     {K_KDEL,		IF_EB("\033[3;*~", ESC_STR "[3;*~")},	/* keypad Del */
988 
989     {BT_EXTRA_KEYS,   ""},
990     {TERMCAP2KEY('k', '0'), IF_EB("\033[10;*~", ESC_STR "[10;*~")}, /* F0 */
991     {TERMCAP2KEY('F', '3'), IF_EB("\033[25;*~", ESC_STR "[25;*~")}, /* F13 */
992     /* F14 and F15 are missing, because they send the same codes as the undo
993      * and help key, although they don't work on all keyboards. */
994     {TERMCAP2KEY('F', '6'), IF_EB("\033[29;*~", ESC_STR "[29;*~")}, /* F16 */
995     {TERMCAP2KEY('F', '7'), IF_EB("\033[31;*~", ESC_STR "[31;*~")}, /* F17 */
996     {TERMCAP2KEY('F', '8'), IF_EB("\033[32;*~", ESC_STR "[32;*~")}, /* F18 */
997     {TERMCAP2KEY('F', '9'), IF_EB("\033[33;*~", ESC_STR "[33;*~")}, /* F19 */
998     {TERMCAP2KEY('F', 'A'), IF_EB("\033[34;*~", ESC_STR "[34;*~")}, /* F20 */
999 
1000     {TERMCAP2KEY('F', 'B'), IF_EB("\033[42;*~", ESC_STR "[42;*~")}, /* F21 */
1001     {TERMCAP2KEY('F', 'C'), IF_EB("\033[43;*~", ESC_STR "[43;*~")}, /* F22 */
1002     {TERMCAP2KEY('F', 'D'), IF_EB("\033[44;*~", ESC_STR "[44;*~")}, /* F23 */
1003     {TERMCAP2KEY('F', 'E'), IF_EB("\033[45;*~", ESC_STR "[45;*~")}, /* F24 */
1004     {TERMCAP2KEY('F', 'F'), IF_EB("\033[46;*~", ESC_STR "[46;*~")}, /* F25 */
1005     {TERMCAP2KEY('F', 'G'), IF_EB("\033[47;*~", ESC_STR "[47;*~")}, /* F26 */
1006     {TERMCAP2KEY('F', 'H'), IF_EB("\033[48;*~", ESC_STR "[48;*~")}, /* F27 */
1007     {TERMCAP2KEY('F', 'I'), IF_EB("\033[49;*~", ESC_STR "[49;*~")}, /* F28 */
1008     {TERMCAP2KEY('F', 'J'), IF_EB("\033[50;*~", ESC_STR "[50;*~")}, /* F29 */
1009     {TERMCAP2KEY('F', 'K'), IF_EB("\033[51;*~", ESC_STR "[51;*~")}, /* F30 */
1010 
1011     {TERMCAP2KEY('F', 'L'), IF_EB("\033[52;*~", ESC_STR "[52;*~")}, /* F31 */
1012     {TERMCAP2KEY('F', 'M'), IF_EB("\033[53;*~", ESC_STR "[53;*~")}, /* F32 */
1013     {TERMCAP2KEY('F', 'N'), IF_EB("\033[54;*~", ESC_STR "[54;*~")}, /* F33 */
1014     {TERMCAP2KEY('F', 'O'), IF_EB("\033[55;*~", ESC_STR "[55;*~")}, /* F34 */
1015     {TERMCAP2KEY('F', 'P'), IF_EB("\033[56;*~", ESC_STR "[56;*~")}, /* F35 */
1016     {TERMCAP2KEY('F', 'Q'), IF_EB("\033[57;*~", ESC_STR "[57;*~")}, /* F36 */
1017     {TERMCAP2KEY('F', 'R'), IF_EB("\033[58;*~", ESC_STR "[58;*~")}, /* F37 */
1018 # endif
1019 
1020 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS)
1021 /*
1022  * iris-ansi for Silicon Graphics machines.
1023  */
1024     {(int)KS_NAME,	"iris-ansi"},
1025     {(int)KS_CE,	"\033[K"},
1026     {(int)KS_CD,	"\033[J"},
1027     {(int)KS_AL,	"\033[L"},
1028 #  ifdef TERMINFO
1029     {(int)KS_CAL,	"\033[%p1%dL"},
1030 #  else
1031     {(int)KS_CAL,	"\033[%dL"},
1032 #  endif
1033     {(int)KS_DL,	"\033[M"},
1034 #  ifdef TERMINFO
1035     {(int)KS_CDL,	"\033[%p1%dM"},
1036 #  else
1037     {(int)KS_CDL,	"\033[%dM"},
1038 #  endif
1039 #if 0	/* The scroll region is not working as Vim expects. */
1040 #  ifdef TERMINFO
1041     {(int)KS_CS,	"\033[%i%p1%d;%p2%dr"},
1042 #  else
1043     {(int)KS_CS,	"\033[%i%d;%dr"},
1044 #  endif
1045 #endif
1046     {(int)KS_CL,	"\033[H\033[2J"},
1047     {(int)KS_VE,	"\033[9/y\033[12/y"},	/* These aren't documented */
1048     {(int)KS_VS,	"\033[10/y\033[=1h\033[=2l"}, /* These aren't documented */
1049     {(int)KS_TI,	"\033[=6h"},
1050     {(int)KS_TE,	"\033[=6l"},
1051     {(int)KS_SE,	"\033[21;27m"},
1052     {(int)KS_SO,	"\033[1;7m"},
1053     {(int)KS_ME,	"\033[m"},
1054     {(int)KS_MR,	"\033[7m"},
1055     {(int)KS_MD,	"\033[1m"},
1056     {(int)KS_CCO,	"8"},			/* allow 8 colors */
1057     {(int)KS_CZH,	"\033[3m"},		/* italic mode on */
1058     {(int)KS_CZR,	"\033[23m"},		/* italic mode off */
1059     {(int)KS_US,	"\033[4m"},		/* underline on */
1060     {(int)KS_UE,	"\033[24m"},		/* underline off */
1061 #  ifdef TERMINFO
1062     {(int)KS_CAB,	"\033[4%p1%dm"},    /* set background color (ANSI) */
1063     {(int)KS_CAF,	"\033[3%p1%dm"},    /* set foreground color (ANSI) */
1064     {(int)KS_CSB,	"\033[102;%p1%dm"}, /* set screen background color */
1065     {(int)KS_CSF,	"\033[101;%p1%dm"}, /* set screen foreground color */
1066 #  else
1067     {(int)KS_CAB,	"\033[4%dm"},	    /* set background color (ANSI) */
1068     {(int)KS_CAF,	"\033[3%dm"},	    /* set foreground color (ANSI) */
1069     {(int)KS_CSB,	"\033[102;%dm"},    /* set screen background color */
1070     {(int)KS_CSF,	"\033[101;%dm"},    /* set screen foreground color */
1071 #  endif
1072     {(int)KS_MS,	"y"},		/* guessed */
1073     {(int)KS_UT,	"y"},		/* guessed */
1074     {(int)KS_LE,	"\b"},
1075 #  ifdef TERMINFO
1076     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
1077 #  else
1078     {(int)KS_CM,	"\033[%i%d;%dH"},
1079 #  endif
1080     {(int)KS_SR,	"\033M"},
1081 #  ifdef TERMINFO
1082     {(int)KS_CRI,	"\033[%p1%dC"},
1083 #  else
1084     {(int)KS_CRI,	"\033[%dC"},
1085 #  endif
1086     {(int)KS_CIS,	"\033P3.y"},
1087     {(int)KS_CIE,	"\234"},    /* ST "String Terminator" */
1088     {(int)KS_TS,	"\033P1.y"},
1089     {(int)KS_FS,	"\234"},    /* ST "String Terminator" */
1090 #  ifdef TERMINFO
1091     {(int)KS_CWS,	"\033[203;%p1%d;%p2%d/y"},
1092     {(int)KS_CWP,	"\033[205;%p1%d;%p2%d/y"},
1093 #  else
1094     {(int)KS_CWS,	"\033[203;%d;%d/y"},
1095     {(int)KS_CWP,	"\033[205;%d;%d/y"},
1096 #  endif
1097     {K_UP,		"\033[A"},
1098     {K_DOWN,		"\033[B"},
1099     {K_LEFT,		"\033[D"},
1100     {K_RIGHT,		"\033[C"},
1101     {K_S_UP,		"\033[161q"},
1102     {K_S_DOWN,		"\033[164q"},
1103     {K_S_LEFT,		"\033[158q"},
1104     {K_S_RIGHT,		"\033[167q"},
1105     {K_F1,		"\033[001q"},
1106     {K_F2,		"\033[002q"},
1107     {K_F3,		"\033[003q"},
1108     {K_F4,		"\033[004q"},
1109     {K_F5,		"\033[005q"},
1110     {K_F6,		"\033[006q"},
1111     {K_F7,		"\033[007q"},
1112     {K_F8,		"\033[008q"},
1113     {K_F9,		"\033[009q"},
1114     {K_F10,		"\033[010q"},
1115     {K_F11,		"\033[011q"},
1116     {K_F12,		"\033[012q"},
1117     {K_S_F1,		"\033[013q"},
1118     {K_S_F2,		"\033[014q"},
1119     {K_S_F3,		"\033[015q"},
1120     {K_S_F4,		"\033[016q"},
1121     {K_S_F5,		"\033[017q"},
1122     {K_S_F6,		"\033[018q"},
1123     {K_S_F7,		"\033[019q"},
1124     {K_S_F8,		"\033[020q"},
1125     {K_S_F9,		"\033[021q"},
1126     {K_S_F10,		"\033[022q"},
1127     {K_S_F11,		"\033[023q"},
1128     {K_S_F12,		"\033[024q"},
1129     {K_INS,		"\033[139q"},
1130     {K_HOME,		"\033[H"},
1131     {K_END,		"\033[146q"},
1132     {K_PAGEUP,		"\033[150q"},
1133     {K_PAGEDOWN,	"\033[154q"},
1134 # endif
1135 
1136 # if defined(DEBUG) || defined(ALL_BUILTIN_TCAPS)
1137 /*
1138  * for debugging
1139  */
1140     {(int)KS_NAME,	"debug"},
1141     {(int)KS_CE,	"[CE]"},
1142     {(int)KS_CD,	"[CD]"},
1143     {(int)KS_AL,	"[AL]"},
1144 #  ifdef TERMINFO
1145     {(int)KS_CAL,	"[CAL%p1%d]"},
1146 #  else
1147     {(int)KS_CAL,	"[CAL%d]"},
1148 #  endif
1149     {(int)KS_DL,	"[DL]"},
1150 #  ifdef TERMINFO
1151     {(int)KS_CDL,	"[CDL%p1%d]"},
1152 #  else
1153     {(int)KS_CDL,	"[CDL%d]"},
1154 #  endif
1155 #  ifdef TERMINFO
1156     {(int)KS_CS,	"[%p1%dCS%p2%d]"},
1157 #  else
1158     {(int)KS_CS,	"[%dCS%d]"},
1159 #  endif
1160 #  ifdef FEAT_VERTSPLIT
1161 #   ifdef TERMINFO
1162     {(int)KS_CSV,	"[%p1%dCSV%p2%d]"},
1163 #   else
1164     {(int)KS_CSV,	"[%dCSV%d]"},
1165 #   endif
1166 #  endif
1167 #  ifdef TERMINFO
1168     {(int)KS_CAB,	"[CAB%p1%d]"},
1169     {(int)KS_CAF,	"[CAF%p1%d]"},
1170     {(int)KS_CSB,	"[CSB%p1%d]"},
1171     {(int)KS_CSF,	"[CSF%p1%d]"},
1172 #  else
1173     {(int)KS_CAB,	"[CAB%d]"},
1174     {(int)KS_CAF,	"[CAF%d]"},
1175     {(int)KS_CSB,	"[CSB%d]"},
1176     {(int)KS_CSF,	"[CSF%d]"},
1177 #  endif
1178     {(int)KS_OP,	"[OP]"},
1179     {(int)KS_LE,	"[LE]"},
1180     {(int)KS_CL,	"[CL]"},
1181     {(int)KS_VI,	"[VI]"},
1182     {(int)KS_VE,	"[VE]"},
1183     {(int)KS_VS,	"[VS]"},
1184     {(int)KS_ME,	"[ME]"},
1185     {(int)KS_MR,	"[MR]"},
1186     {(int)KS_MB,	"[MB]"},
1187     {(int)KS_MD,	"[MD]"},
1188     {(int)KS_SE,	"[SE]"},
1189     {(int)KS_SO,	"[SO]"},
1190     {(int)KS_UE,	"[UE]"},
1191     {(int)KS_US,	"[US]"},
1192     {(int)KS_UCE,	"[UCE]"},
1193     {(int)KS_UCS,	"[UCS]"},
1194     {(int)KS_MS,	"[MS]"},
1195     {(int)KS_UT,	"[UT]"},
1196 #  ifdef TERMINFO
1197     {(int)KS_CM,	"[%p1%dCM%p2%d]"},
1198 #  else
1199     {(int)KS_CM,	"[%dCM%d]"},
1200 #  endif
1201     {(int)KS_SR,	"[SR]"},
1202 #  ifdef TERMINFO
1203     {(int)KS_CRI,	"[CRI%p1%d]"},
1204 #  else
1205     {(int)KS_CRI,	"[CRI%d]"},
1206 #  endif
1207     {(int)KS_VB,	"[VB]"},
1208     {(int)KS_KS,	"[KS]"},
1209     {(int)KS_KE,	"[KE]"},
1210     {(int)KS_TI,	"[TI]"},
1211     {(int)KS_TE,	"[TE]"},
1212     {(int)KS_CIS,	"[CIS]"},
1213     {(int)KS_CIE,	"[CIE]"},
1214     {(int)KS_TS,	"[TS]"},
1215     {(int)KS_FS,	"[FS]"},
1216 #  ifdef TERMINFO
1217     {(int)KS_CWS,	"[%p1%dCWS%p2%d]"},
1218     {(int)KS_CWP,	"[%p1%dCWP%p2%d]"},
1219 #  else
1220     {(int)KS_CWS,	"[%dCWS%d]"},
1221     {(int)KS_CWP,	"[%dCWP%d]"},
1222 #  endif
1223     {(int)KS_CRV,	"[CRV]"},
1224     {K_UP,		"[KU]"},
1225     {K_DOWN,		"[KD]"},
1226     {K_LEFT,		"[KL]"},
1227     {K_RIGHT,		"[KR]"},
1228     {K_XUP,		"[xKU]"},
1229     {K_XDOWN,		"[xKD]"},
1230     {K_XLEFT,		"[xKL]"},
1231     {K_XRIGHT,		"[xKR]"},
1232     {K_S_UP,		"[S-KU]"},
1233     {K_S_DOWN,		"[S-KD]"},
1234     {K_S_LEFT,		"[S-KL]"},
1235     {K_C_LEFT,		"[C-KL]"},
1236     {K_S_RIGHT,		"[S-KR]"},
1237     {K_C_RIGHT,		"[C-KR]"},
1238     {K_F1,		"[F1]"},
1239     {K_XF1,		"[xF1]"},
1240     {K_F2,		"[F2]"},
1241     {K_XF2,		"[xF2]"},
1242     {K_F3,		"[F3]"},
1243     {K_XF3,		"[xF3]"},
1244     {K_F4,		"[F4]"},
1245     {K_XF4,		"[xF4]"},
1246     {K_F5,		"[F5]"},
1247     {K_F6,		"[F6]"},
1248     {K_F7,		"[F7]"},
1249     {K_F8,		"[F8]"},
1250     {K_F9,		"[F9]"},
1251     {K_F10,		"[F10]"},
1252     {K_F11,		"[F11]"},
1253     {K_F12,		"[F12]"},
1254     {K_S_F1,		"[S-F1]"},
1255     {K_S_XF1,		"[S-xF1]"},
1256     {K_S_F2,		"[S-F2]"},
1257     {K_S_XF2,		"[S-xF2]"},
1258     {K_S_F3,		"[S-F3]"},
1259     {K_S_XF3,		"[S-xF3]"},
1260     {K_S_F4,		"[S-F4]"},
1261     {K_S_XF4,		"[S-xF4]"},
1262     {K_S_F5,		"[S-F5]"},
1263     {K_S_F6,		"[S-F6]"},
1264     {K_S_F7,		"[S-F7]"},
1265     {K_S_F8,		"[S-F8]"},
1266     {K_S_F9,		"[S-F9]"},
1267     {K_S_F10,		"[S-F10]"},
1268     {K_S_F11,		"[S-F11]"},
1269     {K_S_F12,		"[S-F12]"},
1270     {K_HELP,		"[HELP]"},
1271     {K_UNDO,		"[UNDO]"},
1272     {K_BS,		"[BS]"},
1273     {K_INS,		"[INS]"},
1274     {K_KINS,		"[KINS]"},
1275     {K_DEL,		"[DEL]"},
1276     {K_KDEL,		"[KDEL]"},
1277     {K_HOME,		"[HOME]"},
1278     {K_S_HOME,		"[C-HOME]"},
1279     {K_C_HOME,		"[C-HOME]"},
1280     {K_KHOME,		"[KHOME]"},
1281     {K_XHOME,		"[XHOME]"},
1282     {K_ZHOME,		"[ZHOME]"},
1283     {K_END,		"[END]"},
1284     {K_S_END,		"[C-END]"},
1285     {K_C_END,		"[C-END]"},
1286     {K_KEND,		"[KEND]"},
1287     {K_XEND,		"[XEND]"},
1288     {K_ZEND,		"[ZEND]"},
1289     {K_PAGEUP,		"[PAGEUP]"},
1290     {K_PAGEDOWN,	"[PAGEDOWN]"},
1291     {K_KPAGEUP,		"[KPAGEUP]"},
1292     {K_KPAGEDOWN,	"[KPAGEDOWN]"},
1293     {K_MOUSE,		"[MOUSE]"},
1294     {K_KPLUS,		"[KPLUS]"},
1295     {K_KMINUS,		"[KMINUS]"},
1296     {K_KDIVIDE,		"[KDIVIDE]"},
1297     {K_KMULTIPLY,	"[KMULTIPLY]"},
1298     {K_KENTER,		"[KENTER]"},
1299     {K_KPOINT,		"[KPOINT]"},
1300     {K_K0,		"[K0]"},
1301     {K_K1,		"[K1]"},
1302     {K_K2,		"[K2]"},
1303     {K_K3,		"[K3]"},
1304     {K_K4,		"[K4]"},
1305     {K_K5,		"[K5]"},
1306     {K_K6,		"[K6]"},
1307     {K_K7,		"[K7]"},
1308     {K_K8,		"[K8]"},
1309     {K_K9,		"[K9]"},
1310 # endif
1311 
1312 #endif /* NO_BUILTIN_TCAPS */
1313 
1314 /*
1315  * The most minimal terminal: only clear screen and cursor positioning
1316  * Always included.
1317  */
1318     {(int)KS_NAME,	"dumb"},
1319     {(int)KS_CL,	"\014"},
1320 #ifdef TERMINFO
1321     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
1322 						  ESC_STR "[%i%p1%d;%p2%dH")},
1323 #else
1324     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
1325 #endif
1326 
1327 /*
1328  * end marker
1329  */
1330     {(int)KS_NAME,	NULL}
1331 
1332 };	/* end of builtin_termcaps */
1333 
1334 /*
1335  * DEFAULT_TERM is used, when no terminal is specified with -T option or $TERM.
1336  */
1337 #ifdef AMIGA
1338 # define DEFAULT_TERM	(char_u *)"amiga"
1339 #endif
1340 
1341 #ifdef MSWIN
1342 # define DEFAULT_TERM	(char_u *)"win32"
1343 #endif
1344 
1345 #ifdef MSDOS
1346 # define DEFAULT_TERM	(char_u *)"pcterm"
1347 #endif
1348 
1349 #if defined(UNIX) && !defined(__MINT__)
1350 # define DEFAULT_TERM	(char_u *)"ansi"
1351 #endif
1352 
1353 #ifdef __MINT__
1354 # define DEFAULT_TERM	(char_u *)"vt52"
1355 #endif
1356 
1357 #ifdef __EMX__
1358 # define DEFAULT_TERM	(char_u *)"os2ansi"
1359 #endif
1360 
1361 #ifdef VMS
1362 # define DEFAULT_TERM	(char_u *)"vt320"
1363 #endif
1364 
1365 #ifdef __BEOS__
1366 # undef DEFAULT_TERM
1367 # define DEFAULT_TERM	(char_u *)"beos-ansi"
1368 #endif
1369 
1370 #ifndef DEFAULT_TERM
1371 # define DEFAULT_TERM	(char_u *)"dumb"
1372 #endif
1373 
1374 /*
1375  * Term_strings contains currently used terminal output strings.
1376  * It is initialized with the default values by parse_builtin_tcap().
1377  * The values can be changed by setting the option with the same name.
1378  */
1379 char_u *(term_strings[(int)KS_LAST + 1]);
1380 
1381 static int	need_gather = FALSE;	    /* need to fill termleader[] */
1382 static char_u	termleader[256 + 1];	    /* for check_termcode() */
1383 #ifdef FEAT_TERMRESPONSE
1384 static int	check_for_codes = FALSE;    /* check for key code response */
1385 #endif
1386 
1387     static struct builtin_term *
1388 find_builtin_term(term)
1389     char_u	*term;
1390 {
1391     struct builtin_term *p;
1392 
1393     p = builtin_termcaps;
1394     while (p->bt_string != NULL)
1395     {
1396 	if (p->bt_entry == (int)KS_NAME)
1397 	{
1398 #ifdef UNIX
1399 	    if (STRCMP(p->bt_string, "iris-ansi") == 0 && vim_is_iris(term))
1400 		return p;
1401 	    else if (STRCMP(p->bt_string, "xterm") == 0 && vim_is_xterm(term))
1402 		return p;
1403 	    else
1404 #endif
1405 #ifdef VMS
1406 		if (STRCMP(p->bt_string, "vt320") == 0 && vim_is_vt300(term))
1407 		    return p;
1408 		else
1409 #endif
1410 		  if (STRCMP(term, p->bt_string) == 0)
1411 		    return p;
1412 	}
1413 	++p;
1414     }
1415     return p;
1416 }
1417 
1418 /*
1419  * Parsing of the builtin termcap entries.
1420  * Caller should check if 'name' is a valid builtin term.
1421  * The terminal's name is not set, as this is already done in termcapinit().
1422  */
1423     static void
1424 parse_builtin_tcap(term)
1425     char_u  *term;
1426 {
1427     struct builtin_term	    *p;
1428     char_u		    name[2];
1429     int			    term_8bit;
1430 
1431     p = find_builtin_term(term);
1432     term_8bit = term_is_8bit(term);
1433 
1434     /* Do not parse if builtin term not found */
1435     if (p->bt_string == NULL)
1436 	return;
1437 
1438     for (++p; p->bt_entry != (int)KS_NAME && p->bt_entry != BT_EXTRA_KEYS; ++p)
1439     {
1440 	if ((int)p->bt_entry >= 0)	/* KS_xx entry */
1441 	{
1442 	    /* Only set the value if it wasn't set yet. */
1443 	    if (term_strings[p->bt_entry] == NULL
1444 				 || term_strings[p->bt_entry] == empty_option)
1445 	    {
1446 		/* 8bit terminal: use CSI instead of <Esc>[ */
1447 		if (term_8bit && term_7to8bit((char_u *)p->bt_string) != 0)
1448 		{
1449 		    char_u  *s, *t;
1450 
1451 		    s = vim_strsave((char_u *)p->bt_string);
1452 		    if (s != NULL)
1453 		    {
1454 			for (t = s; *t; ++t)
1455 			    if (term_7to8bit(t))
1456 			    {
1457 				*t = term_7to8bit(t);
1458 				STRCPY(t + 1, t + 2);
1459 			    }
1460 			term_strings[p->bt_entry] = s;
1461 			set_term_option_alloced(&term_strings[p->bt_entry]);
1462 		    }
1463 		}
1464 		else
1465 		    term_strings[p->bt_entry] = (char_u *)p->bt_string;
1466 	    }
1467 	}
1468 	else
1469 	{
1470 	    name[0] = KEY2TERMCAP0((int)p->bt_entry);
1471 	    name[1] = KEY2TERMCAP1((int)p->bt_entry);
1472 	    if (find_termcode(name) == NULL)
1473 		add_termcode(name, (char_u *)p->bt_string, term_8bit);
1474 	}
1475     }
1476 }
1477 #if defined(HAVE_TGETENT) || defined(FEAT_TERMRESPONSE)
1478 static void set_color_count __ARGS((int nr));
1479 
1480 /*
1481  * Set number of colors.
1482  * Store it as a number in t_colors.
1483  * Store it as a string in T_CCO (using nr_colors[]).
1484  */
1485     static void
1486 set_color_count(nr)
1487     int		nr;
1488 {
1489     char_u	nr_colors[20];		/* string for number of colors */
1490 
1491     t_colors = nr;
1492     if (t_colors > 1)
1493 	sprintf((char *)nr_colors, "%d", t_colors);
1494     else
1495 	*nr_colors = NUL;
1496     set_string_option_direct((char_u *)"t_Co", -1, nr_colors, OPT_FREE, 0);
1497 }
1498 #endif
1499 
1500 #ifdef HAVE_TGETENT
1501 static char *(key_names[]) =
1502 {
1503 #ifdef FEAT_TERMRESPONSE
1504     /* Do this one first, it may cause a screen redraw. */
1505     "Co",
1506 #endif
1507     "ku", "kd", "kr", "kl",
1508 # ifdef ARCHIE
1509     "su", "sd",		/* Termcap code made up! */
1510 # endif
1511     "#2", "#4", "%i", "*7",
1512     "k1", "k2", "k3", "k4", "k5", "k6",
1513     "k7", "k8", "k9", "k;", "F1", "F2",
1514     "%1", "&8", "kb", "kI", "kD", "kh",
1515     "@7", "kP", "kN", "K1", "K3", "K4", "K5", "kB",
1516     NULL
1517 };
1518 #endif
1519 
1520 /*
1521  * Set terminal options for terminal "term".
1522  * Return OK if terminal 'term' was found in a termcap, FAIL otherwise.
1523  *
1524  * While doing this, until ttest(), some options may be NULL, be careful.
1525  */
1526     int
1527 set_termname(term)
1528     char_u *term;
1529 {
1530     struct builtin_term *termp;
1531 #ifdef HAVE_TGETENT
1532     int		builtin_first = p_tbi;
1533     int		try;
1534     int		termcap_cleared = FALSE;
1535 #endif
1536     int		width = 0, height = 0;
1537     char_u	*error_msg = NULL;
1538     char_u	*bs_p, *del_p;
1539 
1540     /* In silect mode (ex -s) we don't use the 'term' option. */
1541     if (silent_mode)
1542 	return OK;
1543 
1544     detected_8bit = FALSE;		/* reset 8-bit detection */
1545 
1546     if (term_is_builtin(term))
1547     {
1548 	term += 8;
1549 #ifdef HAVE_TGETENT
1550 	builtin_first = 1;
1551 #endif
1552     }
1553 
1554 /*
1555  * If HAVE_TGETENT is not defined, only the builtin termcap is used, otherwise:
1556  *   If builtin_first is TRUE:
1557  *     0. try builtin termcap
1558  *     1. try external termcap
1559  *     2. if both fail default to a builtin terminal
1560  *   If builtin_first is FALSE:
1561  *     1. try external termcap
1562  *     2. try builtin termcap, if both fail default to a builtin terminal
1563  */
1564 #ifdef HAVE_TGETENT
1565     for (try = builtin_first ? 0 : 1; try < 3; ++try)
1566     {
1567 	/*
1568 	 * Use external termcap
1569 	 */
1570 	if (try == 1)
1571 	{
1572 	    char_u	    *p;
1573 	    static char_u   tstrbuf[TBUFSZ];
1574 	    int		    i;
1575 	    char_u	    tbuf[TBUFSZ];
1576 	    char_u	    *tp;
1577 	    static struct {
1578 			    enum SpecialKey dest; /* index in term_strings[] */
1579 			    char *name;		  /* termcap name for string */
1580 			  } string_names[] =
1581 			    {	{KS_CE, "ce"}, {KS_AL, "al"}, {KS_CAL,"AL"},
1582 				{KS_DL, "dl"}, {KS_CDL,"DL"}, {KS_CS, "cs"},
1583 				{KS_CL, "cl"}, {KS_CD, "cd"},
1584 				{KS_VI, "vi"}, {KS_VE, "ve"}, {KS_MB, "mb"},
1585 				{KS_VS, "vs"}, {KS_ME, "me"}, {KS_MR, "mr"},
1586 				{KS_MD, "md"}, {KS_SE, "se"}, {KS_SO, "so"},
1587 				{KS_CZH,"ZH"}, {KS_CZR,"ZR"}, {KS_UE, "ue"},
1588 				{KS_US, "us"}, {KS_UCE, "Ce"}, {KS_UCS, "Cs"},
1589 				{KS_CM, "cm"}, {KS_SR, "sr"},
1590 				{KS_CRI,"RI"}, {KS_VB, "vb"}, {KS_KS, "ks"},
1591 				{KS_KE, "ke"}, {KS_TI, "ti"}, {KS_TE, "te"},
1592 				{KS_BC, "bc"}, {KS_CSB,"Sb"}, {KS_CSF,"Sf"},
1593 				{KS_CAB,"AB"}, {KS_CAF,"AF"}, {KS_LE, "le"},
1594 				{KS_ND, "nd"}, {KS_OP, "op"}, {KS_CRV, "RV"},
1595 				{KS_CIS, "IS"}, {KS_CIE, "IE"},
1596 				{KS_TS, "ts"}, {KS_FS, "fs"},
1597 				{KS_CWP, "WP"}, {KS_CWS, "WS"},
1598 				{KS_CSI, "SI"}, {KS_CEI, "EI"},
1599 				{(enum SpecialKey)0, NULL}
1600 			    };
1601 
1602 	    /*
1603 	     * If the external termcap does not have a matching entry, try the
1604 	     * builtin ones.
1605 	     */
1606 	    if ((error_msg = tgetent_error(tbuf, term)) == NULL)
1607 	    {
1608 		tp = tstrbuf;
1609 		if (!termcap_cleared)
1610 		{
1611 		    clear_termoptions();	/* clear old options */
1612 		    termcap_cleared = TRUE;
1613 		}
1614 
1615 	    /* get output strings */
1616 		for (i = 0; string_names[i].name != NULL; ++i)
1617 		{
1618 		    if (term_str(string_names[i].dest) == NULL
1619 			    || term_str(string_names[i].dest) == empty_option)
1620 			term_str(string_names[i].dest) =
1621 					   TGETSTR(string_names[i].name, &tp);
1622 		}
1623 
1624 		/* tgetflag() returns 1 if the flag is present, 0 if not and
1625 		 * possibly -1 if the flag doesn't exist. */
1626 		if ((T_MS == NULL || T_MS == empty_option)
1627 							&& tgetflag("ms") > 0)
1628 		    T_MS = (char_u *)"y";
1629 		if ((T_XS == NULL || T_XS == empty_option)
1630 							&& tgetflag("xs") > 0)
1631 		    T_XS = (char_u *)"y";
1632 		if ((T_DB == NULL || T_DB == empty_option)
1633 							&& tgetflag("db") > 0)
1634 		    T_DB = (char_u *)"y";
1635 		if ((T_DA == NULL || T_DA == empty_option)
1636 							&& tgetflag("da") > 0)
1637 		    T_DA = (char_u *)"y";
1638 		if ((T_UT == NULL || T_UT == empty_option)
1639 							&& tgetflag("ut") > 0)
1640 		    T_UT = (char_u *)"y";
1641 
1642 
1643 		/*
1644 		 * get key codes
1645 		 */
1646 		for (i = 0; key_names[i] != NULL; ++i)
1647 		{
1648 		    if (find_termcode((char_u *)key_names[i]) == NULL)
1649 		    {
1650 			p = TGETSTR(key_names[i], &tp);
1651 			/* if cursor-left == backspace, ignore it (televideo
1652 			 * 925) */
1653 			if (p != NULL
1654 				&& (*p != Ctrl_H
1655 				    || key_names[i][0] != 'k'
1656 				    || key_names[i][1] != 'l'))
1657 			    add_termcode((char_u *)key_names[i], p, FALSE);
1658 		    }
1659 		}
1660 
1661 		if (height == 0)
1662 		    height = tgetnum("li");
1663 		if (width == 0)
1664 		    width = tgetnum("co");
1665 
1666 		/*
1667 		 * Get number of colors (if not done already).
1668 		 */
1669 		if (term_str(KS_CCO) == NULL
1670 			|| term_str(KS_CCO) == empty_option)
1671 		    set_color_count(tgetnum("Co"));
1672 
1673 # ifndef hpux
1674 		BC = (char *)TGETSTR("bc", &tp);
1675 		UP = (char *)TGETSTR("up", &tp);
1676 		p = TGETSTR("pc", &tp);
1677 		if (p)
1678 		    PC = *p;
1679 # endif /* hpux */
1680 	    }
1681 	}
1682 	else	    /* try == 0 || try == 2 */
1683 #endif /* HAVE_TGETENT */
1684 	/*
1685 	 * Use builtin termcap
1686 	 */
1687 	{
1688 #ifdef HAVE_TGETENT
1689 	    /*
1690 	     * If builtin termcap was already used, there is no need to search
1691 	     * for the builtin termcap again, quit now.
1692 	     */
1693 	    if (try == 2 && builtin_first && termcap_cleared)
1694 		break;
1695 #endif
1696 	    /*
1697 	     * search for 'term' in builtin_termcaps[]
1698 	     */
1699 	    termp = find_builtin_term(term);
1700 	    if (termp->bt_string == NULL)	/* did not find it */
1701 	    {
1702 #ifdef HAVE_TGETENT
1703 		/*
1704 		 * If try == 0, first try the external termcap. If that is not
1705 		 * found we'll get back here with try == 2.
1706 		 * If termcap_cleared is set we used the external termcap,
1707 		 * don't complain about not finding the term in the builtin
1708 		 * termcap.
1709 		 */
1710 		if (try == 0)			/* try external one */
1711 		    continue;
1712 		if (termcap_cleared)		/* found in external termcap */
1713 		    break;
1714 #endif
1715 
1716 		mch_errmsg("\r\n");
1717 		if (error_msg != NULL)
1718 		{
1719 		    mch_errmsg((char *)error_msg);
1720 		    mch_errmsg("\r\n");
1721 		}
1722 		mch_errmsg("'");
1723 		mch_errmsg((char *)term);
1724 		mch_errmsg(_("' not known. Available builtin terminals are:"));
1725 		mch_errmsg("\r\n");
1726 		for (termp = &(builtin_termcaps[0]); termp->bt_string != NULL;
1727 								      ++termp)
1728 		{
1729 		    if (termp->bt_entry == (int)KS_NAME)
1730 		    {
1731 #ifdef HAVE_TGETENT
1732 			mch_errmsg("    builtin_");
1733 #else
1734 			mch_errmsg("    ");
1735 #endif
1736 			mch_errmsg(termp->bt_string);
1737 			mch_errmsg("\r\n");
1738 		    }
1739 		}
1740 		/* when user typed :set term=xxx, quit here */
1741 		if (starting != NO_SCREEN)
1742 		{
1743 		    screen_start();	/* don't know where cursor is now */
1744 		    wait_return(TRUE);
1745 		    return FAIL;
1746 		}
1747 		term = DEFAULT_TERM;
1748 		mch_errmsg(_("defaulting to '"));
1749 		mch_errmsg((char *)term);
1750 		mch_errmsg("'\r\n");
1751 		if (emsg_silent == 0)
1752 		{
1753 		    screen_start();	/* don't know where cursor is now */
1754 		    out_flush();
1755 		    ui_delay(2000L, TRUE);
1756 		}
1757 		set_string_option_direct((char_u *)"term", -1, term,
1758 								 OPT_FREE, 0);
1759 		display_errors();
1760 	    }
1761 	    out_flush();
1762 #ifdef HAVE_TGETENT
1763 	    if (!termcap_cleared)
1764 	    {
1765 #endif
1766 		clear_termoptions();	    /* clear old options */
1767 #ifdef HAVE_TGETENT
1768 		termcap_cleared = TRUE;
1769 	    }
1770 #endif
1771 	    parse_builtin_tcap(term);
1772 #ifdef FEAT_GUI
1773 	    if (term_is_gui(term))
1774 	    {
1775 		out_flush();
1776 		gui_init();
1777 		/* If starting the GUI failed, don't do any of the other
1778 		 * things for this terminal */
1779 		if (!gui.in_use)
1780 		    return FAIL;
1781 #ifdef HAVE_TGETENT
1782 		break;		/* don't try using external termcap */
1783 #endif
1784 	    }
1785 #endif /* FEAT_GUI */
1786 	}
1787 #ifdef HAVE_TGETENT
1788     }
1789 #endif
1790 
1791 /*
1792  * special: There is no info in the termcap about whether the cursor
1793  * positioning is relative to the start of the screen or to the start of the
1794  * scrolling region.  We just guess here. Only msdos pcterm is known to do it
1795  * relative.
1796  */
1797     if (STRCMP(term, "pcterm") == 0)
1798 	T_CCS = (char_u *)"yes";
1799     else
1800 	T_CCS = empty_option;
1801 
1802 #ifdef UNIX
1803 /*
1804  * Any "stty" settings override the default for t_kb from the termcap.
1805  * This is in os_unix.c, because it depends a lot on the version of unix that
1806  * is being used.
1807  * Don't do this when the GUI is active, it uses "t_kb" and "t_kD" directly.
1808  */
1809 #ifdef FEAT_GUI
1810     if (!gui.in_use)
1811 #endif
1812 	get_stty();
1813 #endif
1814 
1815 /*
1816  * If the termcap has no entry for 'bs' and/or 'del' and the ioctl() also
1817  * didn't work, use the default CTRL-H
1818  * The default for t_kD is DEL, unless t_kb is DEL.
1819  * The vim_strsave'd strings are probably lost forever, well it's only two
1820  * bytes.  Don't do this when the GUI is active, it uses "t_kb" and "t_kD"
1821  * directly.
1822  */
1823 #ifdef FEAT_GUI
1824     if (!gui.in_use)
1825 #endif
1826     {
1827 	bs_p = find_termcode((char_u *)"kb");
1828 	del_p = find_termcode((char_u *)"kD");
1829 	if (bs_p == NULL || *bs_p == NUL)
1830 	    add_termcode((char_u *)"kb", (bs_p = (char_u *)CTRL_H_STR), FALSE);
1831 	if ((del_p == NULL || *del_p == NUL) &&
1832 					    (bs_p == NULL || *bs_p != DEL))
1833 	    add_termcode((char_u *)"kD", (char_u *)DEL_STR, FALSE);
1834     }
1835 
1836 #if defined(UNIX) || defined(VMS)
1837     term_is_xterm = vim_is_xterm(term);
1838 #endif
1839 
1840 #ifdef FEAT_MOUSE
1841 # if defined(UNIX) || defined(VMS)
1842 #  ifdef FEAT_MOUSE_TTY
1843     /*
1844      * For Unix, set the 'ttymouse' option to the type of mouse to be used.
1845      * The termcode for the mouse is added as a side effect in option.c.
1846      */
1847     {
1848 	char_u	*p;
1849 
1850 	p = (char_u *)"";
1851 #  ifdef FEAT_MOUSE_XTERM
1852 #   ifdef FEAT_CLIPBOARD
1853 #    ifdef FEAT_GUI
1854 	if (!gui.in_use)
1855 #    endif
1856 	    clip_init(FALSE);
1857 #   endif
1858 	if (use_xterm_like_mouse(term))
1859 	{
1860 	    if (use_xterm_mouse())
1861 		p = NULL;	/* keep existing value, might be "xterm2" */
1862 	    else
1863 		p = (char_u *)"xterm";
1864 	}
1865 #  endif
1866 	if (p != NULL)
1867 	    set_option_value((char_u *)"ttym", 0L, p, 0);
1868 	if (p == NULL
1869 #   ifdef FEAT_GUI
1870 		|| gui.in_use
1871 #   endif
1872 		)
1873 	    check_mouse_termcode();	/* set mouse termcode anyway */
1874     }
1875 #  endif
1876 # else
1877     set_mouse_termcode(KS_MOUSE, (char_u *)"\233M");
1878 # endif
1879 #endif	/* FEAT_MOUSE */
1880 
1881 #ifdef FEAT_SNIFF
1882     {
1883 	char_u	name[2];
1884 
1885 	name[0] = (int)KS_EXTRA;
1886 	name[1] = (int)KE_SNIFF;
1887 	add_termcode(name, (char_u *)"\233sniff", FALSE);
1888     }
1889 #endif
1890 
1891 #ifdef USE_TERM_CONSOLE
1892     /* DEFAULT_TERM indicates that it is the machine console. */
1893     if (STRCMP(term, DEFAULT_TERM) != 0)
1894 	term_console = FALSE;
1895     else
1896     {
1897 	term_console = TRUE;
1898 # ifdef AMIGA
1899 	win_resize_on();	/* enable window resizing reports */
1900 # endif
1901     }
1902 #endif
1903 
1904 #if defined(UNIX) || defined(VMS)
1905     /*
1906      * 'ttyfast' is default on for xterm, iris-ansi and a few others.
1907      */
1908     if (vim_is_fastterm(term))
1909 	p_tf = TRUE;
1910 #endif
1911 #ifdef USE_TERM_CONSOLE
1912     /*
1913      * 'ttyfast' is default on consoles
1914      */
1915     if (term_console)
1916 	p_tf = TRUE;
1917 #endif
1918 
1919     ttest(TRUE);	/* make sure we have a valid set of terminal codes */
1920 
1921     full_screen = TRUE;		/* we can use termcap codes from now on */
1922     set_term_defaults();	/* use current values as defaults */
1923 #ifdef FEAT_TERMRESPONSE
1924     crv_status = CRV_GET;	/* Get terminal version later */
1925 #endif
1926 
1927     /*
1928      * Initialize the terminal with the appropriate termcap codes.
1929      * Set the mouse and window title if possible.
1930      * Don't do this when starting, need to parse the .vimrc first, because it
1931      * may redefine t_TI etc.
1932      */
1933     if (starting != NO_SCREEN)
1934     {
1935 	starttermcap();		/* may change terminal mode */
1936 #ifdef FEAT_MOUSE
1937 	setmouse();		/* may start using the mouse */
1938 #endif
1939 #ifdef FEAT_TITLE
1940 	maketitle();		/* may display window title */
1941 #endif
1942     }
1943 
1944 	/* display initial screen after ttest() checking. jw. */
1945     if (width <= 0 || height <= 0)
1946     {
1947 	/* termcap failed to report size */
1948 	/* set defaults, in case ui_get_shellsize() also fails */
1949 	width = 80;
1950 #if defined(MSDOS) || defined(WIN3264)
1951 	height = 25;	    /* console is often 25 lines */
1952 #else
1953 	height = 24;	    /* most terminals are 24 lines */
1954 #endif
1955     }
1956     set_shellsize(width, height, FALSE);	/* may change Rows */
1957     if (starting != NO_SCREEN)
1958     {
1959 	if (scroll_region)
1960 	    scroll_region_reset();		/* In case Rows changed */
1961 	check_map_keycodes();	/* check mappings for terminal codes used */
1962 
1963 #ifdef FEAT_AUTOCMD
1964 	{
1965 	    buf_T	*old_curbuf;
1966 
1967 	    /*
1968 	     * Execute the TermChanged autocommands for each buffer that is
1969 	     * loaded.
1970 	     */
1971 	    old_curbuf = curbuf;
1972 	    for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next)
1973 	    {
1974 		if (curbuf->b_ml.ml_mfp != NULL)
1975 		    apply_autocmds(EVENT_TERMCHANGED, NULL, NULL, FALSE,
1976 								      curbuf);
1977 	    }
1978 	    if (buf_valid(old_curbuf))
1979 		curbuf = old_curbuf;
1980 	}
1981 #endif
1982     }
1983 
1984 #ifdef FEAT_TERMRESPONSE
1985     may_req_termresponse();
1986 #endif
1987 
1988     return OK;
1989 }
1990 
1991 #if defined(FEAT_MOUSE) || defined(PROTO)
1992 
1993 # ifdef FEAT_MOUSE_TTY
1994 #  define HMT_NORMAL	1
1995 #  define HMT_NETTERM	2
1996 #  define HMT_DEC	4
1997 #  define HMT_JSBTERM	8
1998 #  define HMT_PTERM	16
1999 #  define HMT_URXVT	32
2000 #  define HMT_SGR	64
2001 static int has_mouse_termcode = 0;
2002 # endif
2003 
2004 # if (!defined(UNIX) || defined(FEAT_MOUSE_TTY)) || defined(PROTO)
2005     void
2006 set_mouse_termcode(n, s)
2007     int		n;	/* KS_MOUSE, KS_NETTERM_MOUSE or KS_DEC_MOUSE */
2008     char_u	*s;
2009 {
2010     char_u	name[2];
2011 
2012     name[0] = n;
2013     name[1] = KE_FILLER;
2014     add_termcode(name, s, FALSE);
2015 #  ifdef FEAT_MOUSE_TTY
2016 #   ifdef FEAT_MOUSE_JSB
2017     if (n == KS_JSBTERM_MOUSE)
2018 	has_mouse_termcode |= HMT_JSBTERM;
2019     else
2020 #   endif
2021 #   ifdef FEAT_MOUSE_NET
2022     if (n == KS_NETTERM_MOUSE)
2023 	has_mouse_termcode |= HMT_NETTERM;
2024     else
2025 #   endif
2026 #   ifdef FEAT_MOUSE_DEC
2027     if (n == KS_DEC_MOUSE)
2028 	has_mouse_termcode |= HMT_DEC;
2029     else
2030 #   endif
2031 #   ifdef FEAT_MOUSE_PTERM
2032     if (n == KS_PTERM_MOUSE)
2033 	has_mouse_termcode |= HMT_PTERM;
2034     else
2035 #   endif
2036 #   ifdef FEAT_MOUSE_URXVT
2037     if (n == KS_URXVT_MOUSE)
2038 	has_mouse_termcode |= HMT_URXVT;
2039     else
2040 #   endif
2041 #   ifdef FEAT_MOUSE_SGR
2042     if (n == KS_SGR_MOUSE)
2043 	has_mouse_termcode |= HMT_SGR;
2044     else
2045 #   endif
2046 	has_mouse_termcode |= HMT_NORMAL;
2047 #  endif
2048 }
2049 # endif
2050 
2051 # if ((defined(UNIX) || defined(VMS) || defined(OS2)) \
2052 	&& defined(FEAT_MOUSE_TTY)) || defined(PROTO)
2053     void
2054 del_mouse_termcode(n)
2055     int		n;	/* KS_MOUSE, KS_NETTERM_MOUSE or KS_DEC_MOUSE */
2056 {
2057     char_u	name[2];
2058 
2059     name[0] = n;
2060     name[1] = KE_FILLER;
2061     del_termcode(name);
2062 #  ifdef FEAT_MOUSE_TTY
2063 #   ifdef FEAT_MOUSE_JSB
2064     if (n == KS_JSBTERM_MOUSE)
2065 	has_mouse_termcode &= ~HMT_JSBTERM;
2066     else
2067 #   endif
2068 #   ifdef FEAT_MOUSE_NET
2069     if (n == KS_NETTERM_MOUSE)
2070 	has_mouse_termcode &= ~HMT_NETTERM;
2071     else
2072 #   endif
2073 #   ifdef FEAT_MOUSE_DEC
2074     if (n == KS_DEC_MOUSE)
2075 	has_mouse_termcode &= ~HMT_DEC;
2076     else
2077 #   endif
2078 #   ifdef FEAT_MOUSE_PTERM
2079     if (n == KS_PTERM_MOUSE)
2080 	has_mouse_termcode &= ~HMT_PTERM;
2081     else
2082 #   endif
2083 #   ifdef FEAT_MOUSE_URXVT
2084     if (n == KS_URXVT_MOUSE)
2085 	has_mouse_termcode &= ~HMT_URXVT;
2086     else
2087 #   endif
2088 #   ifdef FEAT_MOUSE_SGR
2089     if (n == KS_SGR_MOUSE)
2090 	has_mouse_termcode &= ~HMT_SGR;
2091     else
2092 #   endif
2093 	has_mouse_termcode &= ~HMT_NORMAL;
2094 #  endif
2095 }
2096 # endif
2097 #endif
2098 
2099 #ifdef HAVE_TGETENT
2100 /*
2101  * Call tgetent()
2102  * Return error message if it fails, NULL if it's OK.
2103  */
2104     static char_u *
2105 tgetent_error(tbuf, term)
2106     char_u  *tbuf;
2107     char_u  *term;
2108 {
2109     int	    i;
2110 
2111     i = TGETENT(tbuf, term);
2112     if (i < 0		    /* -1 is always an error */
2113 # ifdef TGETENT_ZERO_ERR
2114 	    || i == 0	    /* sometimes zero is also an error */
2115 # endif
2116        )
2117     {
2118 	/* On FreeBSD tputs() gets a SEGV after a tgetent() which fails.  Call
2119 	 * tgetent() with the always existing "dumb" entry to avoid a crash or
2120 	 * hang. */
2121 	(void)TGETENT(tbuf, "dumb");
2122 
2123 	if (i < 0)
2124 # ifdef TGETENT_ZERO_ERR
2125 	    return (char_u *)_("E557: Cannot open termcap file");
2126 	if (i == 0)
2127 # endif
2128 #ifdef TERMINFO
2129 	    return (char_u *)_("E558: Terminal entry not found in terminfo");
2130 #else
2131 	    return (char_u *)_("E559: Terminal entry not found in termcap");
2132 #endif
2133     }
2134     return NULL;
2135 }
2136 
2137 /*
2138  * Some versions of tgetstr() have been reported to return -1 instead of NULL.
2139  * Fix that here.
2140  */
2141     static char_u *
2142 vim_tgetstr(s, pp)
2143     char	*s;
2144     char_u	**pp;
2145 {
2146     char	*p;
2147 
2148     p = tgetstr(s, (char **)pp);
2149     if (p == (char *)-1)
2150 	p = NULL;
2151     return (char_u *)p;
2152 }
2153 #endif /* HAVE_TGETENT */
2154 
2155 #if defined(HAVE_TGETENT) && (defined(UNIX) || defined(__EMX__) || defined(VMS) || defined(MACOS_X))
2156 /*
2157  * Get Columns and Rows from the termcap. Used after a window signal if the
2158  * ioctl() fails. It doesn't make sense to call tgetent each time if the "co"
2159  * and "li" entries never change. But on some systems this works.
2160  * Errors while getting the entries are ignored.
2161  */
2162     void
2163 getlinecol(cp, rp)
2164     long	*cp;	/* pointer to columns */
2165     long	*rp;	/* pointer to rows */
2166 {
2167     char_u	tbuf[TBUFSZ];
2168 
2169     if (T_NAME != NULL && *T_NAME != NUL && tgetent_error(tbuf, T_NAME) == NULL)
2170     {
2171 	if (*cp == 0)
2172 	    *cp = tgetnum("co");
2173 	if (*rp == 0)
2174 	    *rp = tgetnum("li");
2175     }
2176 }
2177 #endif /* defined(HAVE_TGETENT) && defined(UNIX) */
2178 
2179 /*
2180  * Get a string entry from the termcap and add it to the list of termcodes.
2181  * Used for <t_xx> special keys.
2182  * Give an error message for failure when not sourcing.
2183  * If force given, replace an existing entry.
2184  * Return FAIL if the entry was not found, OK if the entry was added.
2185  */
2186     int
2187 add_termcap_entry(name, force)
2188     char_u  *name;
2189     int	    force;
2190 {
2191     char_u  *term;
2192     int	    key;
2193     struct builtin_term *termp;
2194 #ifdef HAVE_TGETENT
2195     char_u  *string;
2196     int	    i;
2197     int	    builtin_first;
2198     char_u  tbuf[TBUFSZ];
2199     char_u  tstrbuf[TBUFSZ];
2200     char_u  *tp = tstrbuf;
2201     char_u  *error_msg = NULL;
2202 #endif
2203 
2204 /*
2205  * If the GUI is running or will start in a moment, we only support the keys
2206  * that the GUI can produce.
2207  */
2208 #ifdef FEAT_GUI
2209     if (gui.in_use || gui.starting)
2210 	return gui_mch_haskey(name);
2211 #endif
2212 
2213     if (!force && find_termcode(name) != NULL)	    /* it's already there */
2214 	return OK;
2215 
2216     term = T_NAME;
2217     if (term == NULL || *term == NUL)	    /* 'term' not defined yet */
2218 	return FAIL;
2219 
2220     if (term_is_builtin(term))		    /* name starts with "builtin_" */
2221     {
2222 	term += 8;
2223 #ifdef HAVE_TGETENT
2224 	builtin_first = TRUE;
2225 #endif
2226     }
2227 #ifdef HAVE_TGETENT
2228     else
2229 	builtin_first = p_tbi;
2230 #endif
2231 
2232 #ifdef HAVE_TGETENT
2233 /*
2234  * We can get the entry from the builtin termcap and from the external one.
2235  * If 'ttybuiltin' is on or the terminal name starts with "builtin_", try
2236  * builtin termcap first.
2237  * If 'ttybuiltin' is off, try external termcap first.
2238  */
2239     for (i = 0; i < 2; ++i)
2240     {
2241 	if (!builtin_first == i)
2242 #endif
2243 	/*
2244 	 * Search in builtin termcap
2245 	 */
2246 	{
2247 	    termp = find_builtin_term(term);
2248 	    if (termp->bt_string != NULL)	/* found it */
2249 	    {
2250 		key = TERMCAP2KEY(name[0], name[1]);
2251 		while (termp->bt_entry != (int)KS_NAME)
2252 		{
2253 		    if ((int)termp->bt_entry == key)
2254 		    {
2255 			add_termcode(name, (char_u *)termp->bt_string,
2256 							  term_is_8bit(term));
2257 			return OK;
2258 		    }
2259 		    ++termp;
2260 		}
2261 	    }
2262 	}
2263 #ifdef HAVE_TGETENT
2264 	else
2265 	/*
2266 	 * Search in external termcap
2267 	 */
2268 	{
2269 	    error_msg = tgetent_error(tbuf, term);
2270 	    if (error_msg == NULL)
2271 	    {
2272 		string = TGETSTR((char *)name, &tp);
2273 		if (string != NULL && *string != NUL)
2274 		{
2275 		    add_termcode(name, string, FALSE);
2276 		    return OK;
2277 		}
2278 	    }
2279 	}
2280     }
2281 #endif
2282 
2283     if (sourcing_name == NULL)
2284     {
2285 #ifdef HAVE_TGETENT
2286 	if (error_msg != NULL)
2287 	    EMSG(error_msg);
2288 	else
2289 #endif
2290 	    EMSG2(_("E436: No \"%s\" entry in termcap"), name);
2291     }
2292     return FAIL;
2293 }
2294 
2295     static int
2296 term_is_builtin(name)
2297     char_u  *name;
2298 {
2299     return (STRNCMP(name, "builtin_", (size_t)8) == 0);
2300 }
2301 
2302 /*
2303  * Return TRUE if terminal "name" uses CSI instead of <Esc>[.
2304  * Assume that the terminal is using 8-bit controls when the name contains
2305  * "8bit", like in "xterm-8bit".
2306  */
2307     int
2308 term_is_8bit(name)
2309     char_u  *name;
2310 {
2311     return (detected_8bit || strstr((char *)name, "8bit") != NULL);
2312 }
2313 
2314 /*
2315  * Translate terminal control chars from 7-bit to 8-bit:
2316  * <Esc>[ -> CSI
2317  * <Esc>] -> <M-C-]>
2318  * <Esc>O -> <M-C-O>
2319  */
2320     static int
2321 term_7to8bit(p)
2322     char_u  *p;
2323 {
2324     if (*p == ESC)
2325     {
2326 	if (p[1] == '[')
2327 	    return CSI;
2328 	if (p[1] == ']')
2329 	    return 0x9d;
2330 	if (p[1] == 'O')
2331 	    return 0x8f;
2332     }
2333     return 0;
2334 }
2335 
2336 #ifdef FEAT_GUI
2337     int
2338 term_is_gui(name)
2339     char_u  *name;
2340 {
2341     return (STRCMP(name, "builtin_gui") == 0 || STRCMP(name, "gui") == 0);
2342 }
2343 #endif
2344 
2345 #if !defined(HAVE_TGETENT) || defined(AMIGA) || defined(PROTO)
2346 
2347     char_u *
2348 tltoa(i)
2349     unsigned long i;
2350 {
2351     static char_u buf[16];
2352     char_u	*p;
2353 
2354     p = buf + 15;
2355     *p = '\0';
2356     do
2357     {
2358 	--p;
2359 	*p = (char_u) (i % 10 + '0');
2360 	i /= 10;
2361     }
2362     while (i > 0 && p > buf);
2363     return p;
2364 }
2365 #endif
2366 
2367 #ifndef HAVE_TGETENT
2368 
2369 /*
2370  * minimal tgoto() implementation.
2371  * no padding and we only parse for %i %d and %+char
2372  */
2373 static char *tgoto __ARGS((char *, int, int));
2374 
2375     static char *
2376 tgoto(cm, x, y)
2377     char *cm;
2378     int x, y;
2379 {
2380     static char buf[30];
2381     char *p, *s, *e;
2382 
2383     if (!cm)
2384 	return "OOPS";
2385     e = buf + 29;
2386     for (s = buf; s < e && *cm; cm++)
2387     {
2388 	if (*cm != '%')
2389 	{
2390 	    *s++ = *cm;
2391 	    continue;
2392 	}
2393 	switch (*++cm)
2394 	{
2395 	case 'd':
2396 	    p = (char *)tltoa((unsigned long)y);
2397 	    y = x;
2398 	    while (*p)
2399 		*s++ = *p++;
2400 	    break;
2401 	case 'i':
2402 	    x++;
2403 	    y++;
2404 	    break;
2405 	case '+':
2406 	    *s++ = (char)(*++cm + y);
2407 	    y = x;
2408 	    break;
2409 	case '%':
2410 	    *s++ = *cm;
2411 	    break;
2412 	default:
2413 	    return "OOPS";
2414 	}
2415     }
2416     *s = '\0';
2417     return buf;
2418 }
2419 
2420 #endif /* HAVE_TGETENT */
2421 
2422 /*
2423  * Set the terminal name and initialize the terminal options.
2424  * If "name" is NULL or empty, get the terminal name from the environment.
2425  * If that fails, use the default terminal name.
2426  */
2427     void
2428 termcapinit(name)
2429     char_u *name;
2430 {
2431     char_u	*term;
2432 
2433     if (name != NULL && *name == NUL)
2434 	name = NULL;	    /* empty name is equal to no name */
2435     term = name;
2436 
2437 #ifdef __BEOS__
2438     /*
2439      * TERM environment variable is normally set to 'ansi' on the Bebox;
2440      * Since the BeBox doesn't quite support full ANSI yet, we use our
2441      * own custom 'ansi-beos' termcap instead, unless the -T option has
2442      * been given on the command line.
2443      */
2444     if (term == NULL
2445 		 && strcmp((char *)mch_getenv((char_u *)"TERM"), "ansi") == 0)
2446 	term = DEFAULT_TERM;
2447 #endif
2448 #ifndef MSWIN
2449     if (term == NULL)
2450 	term = mch_getenv((char_u *)"TERM");
2451 #endif
2452     if (term == NULL || *term == NUL)
2453 	term = DEFAULT_TERM;
2454     set_string_option_direct((char_u *)"term", -1, term, OPT_FREE, 0);
2455 
2456     /* Set the default terminal name. */
2457     set_string_default("term", term);
2458     set_string_default("ttytype", term);
2459 
2460     /*
2461      * Avoid using "term" here, because the next mch_getenv() may overwrite it.
2462      */
2463     set_termname(T_NAME != NULL ? T_NAME : term);
2464 }
2465 
2466 /*
2467  * the number of calls to ui_write is reduced by using the buffer "out_buf"
2468  */
2469 #ifdef DOS16
2470 # define OUT_SIZE	255		/* only have 640K total... */
2471 #else
2472 # ifdef FEAT_GUI_W16
2473 #  define OUT_SIZE	1023		/* Save precious 1K near data */
2474 # else
2475 #  define OUT_SIZE	2047
2476 # endif
2477 #endif
2478 	    /* Add one to allow mch_write() in os_win32.c to append a NUL */
2479 static char_u		out_buf[OUT_SIZE + 1];
2480 static int		out_pos = 0;	/* number of chars in out_buf */
2481 
2482 /*
2483  * out_flush(): flush the output buffer
2484  */
2485     void
2486 out_flush()
2487 {
2488     int	    len;
2489 
2490     if (out_pos != 0)
2491     {
2492 	/* set out_pos to 0 before ui_write, to avoid recursiveness */
2493 	len = out_pos;
2494 	out_pos = 0;
2495 	ui_write(out_buf, len);
2496     }
2497 }
2498 
2499 #if defined(FEAT_MBYTE) || defined(PROTO)
2500 /*
2501  * Sometimes a byte out of a multi-byte character is written with out_char().
2502  * To avoid flushing half of the character, call this function first.
2503  */
2504     void
2505 out_flush_check()
2506 {
2507     if (enc_dbcs != 0 && out_pos >= OUT_SIZE - MB_MAXBYTES)
2508 	out_flush();
2509 }
2510 #endif
2511 
2512 #ifdef FEAT_GUI
2513 /*
2514  * out_trash(): Throw away the contents of the output buffer
2515  */
2516     void
2517 out_trash()
2518 {
2519     out_pos = 0;
2520 }
2521 #endif
2522 
2523 /*
2524  * out_char(c): put a byte into the output buffer.
2525  *		Flush it if it becomes full.
2526  * This should not be used for outputting text on the screen (use functions
2527  * like msg_puts() and screen_putchar() for that).
2528  */
2529     void
2530 out_char(c)
2531     unsigned	c;
2532 {
2533 #if defined(UNIX) || defined(VMS) || defined(AMIGA) || defined(MACOS_X_UNIX)
2534     if (c == '\n')	/* turn LF into CR-LF (CRMOD doesn't seem to do this) */
2535 	out_char('\r');
2536 #endif
2537 
2538     out_buf[out_pos++] = c;
2539 
2540     /* For testing we flush each time. */
2541     if (out_pos >= OUT_SIZE || p_wd)
2542 	out_flush();
2543 }
2544 
2545 static void out_char_nf __ARGS((unsigned));
2546 
2547 /*
2548  * out_char_nf(c): like out_char(), but don't flush when p_wd is set
2549  */
2550     static void
2551 out_char_nf(c)
2552     unsigned	c;
2553 {
2554 #if defined(UNIX) || defined(VMS) || defined(AMIGA) || defined(MACOS_X_UNIX)
2555     if (c == '\n')	/* turn LF into CR-LF (CRMOD doesn't seem to do this) */
2556 	out_char_nf('\r');
2557 #endif
2558 
2559     out_buf[out_pos++] = c;
2560 
2561     if (out_pos >= OUT_SIZE)
2562 	out_flush();
2563 }
2564 
2565 #if defined(FEAT_TITLE) || defined(FEAT_MOUSE_TTY) || defined(FEAT_GUI) \
2566     || defined(FEAT_TERMRESPONSE) || defined(PROTO)
2567 /*
2568  * A never-padding out_str.
2569  * use this whenever you don't want to run the string through tputs.
2570  * tputs above is harmless, but tputs from the termcap library
2571  * is likely to strip off leading digits, that it mistakes for padding
2572  * information, and "%i", "%d", etc.
2573  * This should only be used for writing terminal codes, not for outputting
2574  * normal text (use functions like msg_puts() and screen_putchar() for that).
2575  */
2576     void
2577 out_str_nf(s)
2578     char_u *s;
2579 {
2580     if (out_pos > OUT_SIZE - 20)  /* avoid terminal strings being split up */
2581 	out_flush();
2582     while (*s)
2583 	out_char_nf(*s++);
2584 
2585     /* For testing we write one string at a time. */
2586     if (p_wd)
2587 	out_flush();
2588 }
2589 #endif
2590 
2591 /*
2592  * out_str(s): Put a character string a byte at a time into the output buffer.
2593  * If HAVE_TGETENT is defined use the termcap parser. (jw)
2594  * This should only be used for writing terminal codes, not for outputting
2595  * normal text (use functions like msg_puts() and screen_putchar() for that).
2596  */
2597     void
2598 out_str(s)
2599     char_u	 *s;
2600 {
2601     if (s != NULL && *s)
2602     {
2603 #ifdef FEAT_GUI
2604 	/* Don't use tputs() when GUI is used, ncurses crashes. */
2605 	if (gui.in_use)
2606 	{
2607 	    out_str_nf(s);
2608 	    return;
2609 	}
2610 #endif
2611 	/* avoid terminal strings being split up */
2612 	if (out_pos > OUT_SIZE - 20)
2613 	    out_flush();
2614 #ifdef HAVE_TGETENT
2615 	tputs((char *)s, 1, TPUTSFUNCAST out_char_nf);
2616 #else
2617 	while (*s)
2618 	    out_char_nf(*s++);
2619 #endif
2620 
2621 	/* For testing we write one string at a time. */
2622 	if (p_wd)
2623 	    out_flush();
2624     }
2625 }
2626 
2627 /*
2628  * cursor positioning using termcap parser. (jw)
2629  */
2630     void
2631 term_windgoto(row, col)
2632     int	    row;
2633     int	    col;
2634 {
2635     OUT_STR(tgoto((char *)T_CM, col, row));
2636 }
2637 
2638     void
2639 term_cursor_right(i)
2640     int	    i;
2641 {
2642     OUT_STR(tgoto((char *)T_CRI, 0, i));
2643 }
2644 
2645     void
2646 term_append_lines(line_count)
2647     int	    line_count;
2648 {
2649     OUT_STR(tgoto((char *)T_CAL, 0, line_count));
2650 }
2651 
2652     void
2653 term_delete_lines(line_count)
2654     int	    line_count;
2655 {
2656     OUT_STR(tgoto((char *)T_CDL, 0, line_count));
2657 }
2658 
2659 #if defined(HAVE_TGETENT) || defined(PROTO)
2660     void
2661 term_set_winpos(x, y)
2662     int	    x;
2663     int	    y;
2664 {
2665     /* Can't handle a negative value here */
2666     if (x < 0)
2667 	x = 0;
2668     if (y < 0)
2669 	y = 0;
2670     OUT_STR(tgoto((char *)T_CWP, y, x));
2671 }
2672 
2673     void
2674 term_set_winsize(width, height)
2675     int	    width;
2676     int	    height;
2677 {
2678     OUT_STR(tgoto((char *)T_CWS, height, width));
2679 }
2680 #endif
2681 
2682     void
2683 term_fg_color(n)
2684     int	    n;
2685 {
2686     /* Use "AF" termcap entry if present, "Sf" entry otherwise */
2687     if (*T_CAF)
2688 	term_color(T_CAF, n);
2689     else if (*T_CSF)
2690 	term_color(T_CSF, n);
2691 }
2692 
2693     void
2694 term_bg_color(n)
2695     int	    n;
2696 {
2697     /* Use "AB" termcap entry if present, "Sb" entry otherwise */
2698     if (*T_CAB)
2699 	term_color(T_CAB, n);
2700     else if (*T_CSB)
2701 	term_color(T_CSB, n);
2702 }
2703 
2704     static void
2705 term_color(s, n)
2706     char_u	*s;
2707     int		n;
2708 {
2709     char	buf[20];
2710     int i = 2;	/* index in s[] just after <Esc>[ or CSI */
2711 
2712     /* Special handling of 16 colors, because termcap can't handle it */
2713     /* Also accept "\e[3%dm" for TERMINFO, it is sometimes used */
2714     /* Also accept CSI instead of <Esc>[ */
2715     if (n >= 8 && t_colors >= 16
2716 	      && ((s[0] == ESC && s[1] == '[') || (s[0] == CSI && (i = 1) == 1))
2717 	      && s[i] != NUL
2718 	      && (STRCMP(s + i + 1, "%p1%dm") == 0
2719 		  || STRCMP(s + i + 1, "%dm") == 0)
2720 	      && (s[i] == '3' || s[i] == '4'))
2721     {
2722 	sprintf(buf,
2723 #ifdef TERMINFO
2724 		"%s%s%%p1%%dm",
2725 #else
2726 		"%s%s%%dm",
2727 #endif
2728 		i == 2 ? IF_EB("\033[", ESC_STR "[") : "\233",
2729 		s[i] == '3' ? (n >= 16 ? "38;5;" : "9")
2730 			    : (n >= 16 ? "48;5;" : "10"));
2731 	OUT_STR(tgoto(buf, 0, n >= 16 ? n : n - 8));
2732     }
2733     else
2734 	OUT_STR(tgoto((char *)s, 0, n));
2735 }
2736 
2737 #if (defined(FEAT_TITLE) && (defined(UNIX) || defined(OS2) || defined(VMS) || defined(MACOS_X))) || defined(PROTO)
2738 /*
2739  * Generic function to set window title, using t_ts and t_fs.
2740  */
2741     void
2742 term_settitle(title)
2743     char_u	*title;
2744 {
2745     /* t_ts takes one argument: column in status line */
2746     OUT_STR(tgoto((char *)T_TS, 0, 0));	/* set title start */
2747     out_str_nf(title);
2748     out_str(T_FS);			/* set title end */
2749     out_flush();
2750 }
2751 #endif
2752 
2753 /*
2754  * Make sure we have a valid set or terminal options.
2755  * Replace all entries that are NULL by empty_option
2756  */
2757     void
2758 ttest(pairs)
2759     int	pairs;
2760 {
2761     check_options();		    /* make sure no options are NULL */
2762 
2763     /*
2764      * MUST have "cm": cursor motion.
2765      */
2766     if (*T_CM == NUL)
2767 	EMSG(_("E437: terminal capability \"cm\" required"));
2768 
2769     /*
2770      * if "cs" defined, use a scroll region, it's faster.
2771      */
2772     if (*T_CS != NUL)
2773 	scroll_region = TRUE;
2774     else
2775 	scroll_region = FALSE;
2776 
2777     if (pairs)
2778     {
2779 	/*
2780 	 * optional pairs
2781 	 */
2782 	/* TP goes to normal mode for TI (invert) and TB (bold) */
2783 	if (*T_ME == NUL)
2784 	    T_ME = T_MR = T_MD = T_MB = empty_option;
2785 	if (*T_SO == NUL || *T_SE == NUL)
2786 	    T_SO = T_SE = empty_option;
2787 	if (*T_US == NUL || *T_UE == NUL)
2788 	    T_US = T_UE = empty_option;
2789 	if (*T_CZH == NUL || *T_CZR == NUL)
2790 	    T_CZH = T_CZR = empty_option;
2791 
2792 	/* T_VE is needed even though T_VI is not defined */
2793 	if (*T_VE == NUL)
2794 	    T_VI = empty_option;
2795 
2796 	/* if 'mr' or 'me' is not defined use 'so' and 'se' */
2797 	if (*T_ME == NUL)
2798 	{
2799 	    T_ME = T_SE;
2800 	    T_MR = T_SO;
2801 	    T_MD = T_SO;
2802 	}
2803 
2804 	/* if 'so' or 'se' is not defined use 'mr' and 'me' */
2805 	if (*T_SO == NUL)
2806 	{
2807 	    T_SE = T_ME;
2808 	    if (*T_MR == NUL)
2809 		T_SO = T_MD;
2810 	    else
2811 		T_SO = T_MR;
2812 	}
2813 
2814 	/* if 'ZH' or 'ZR' is not defined use 'mr' and 'me' */
2815 	if (*T_CZH == NUL)
2816 	{
2817 	    T_CZR = T_ME;
2818 	    if (*T_MR == NUL)
2819 		T_CZH = T_MD;
2820 	    else
2821 		T_CZH = T_MR;
2822 	}
2823 
2824 	/* "Sb" and "Sf" come in pairs */
2825 	if (*T_CSB == NUL || *T_CSF == NUL)
2826 	{
2827 	    T_CSB = empty_option;
2828 	    T_CSF = empty_option;
2829 	}
2830 
2831 	/* "AB" and "AF" come in pairs */
2832 	if (*T_CAB == NUL || *T_CAF == NUL)
2833 	{
2834 	    T_CAB = empty_option;
2835 	    T_CAF = empty_option;
2836 	}
2837 
2838 	/* if 'Sb' and 'AB' are not defined, reset "Co" */
2839 	if (*T_CSB == NUL && *T_CAB == NUL)
2840 	    free_one_termoption(T_CCO);
2841 
2842 	/* Set 'weirdinvert' according to value of 't_xs' */
2843 	p_wiv = (*T_XS != NUL);
2844     }
2845     need_gather = TRUE;
2846 
2847     /* Set t_colors to the value of t_Co. */
2848     t_colors = atoi((char *)T_CCO);
2849 }
2850 
2851 #if (defined(FEAT_GUI) && (defined(FEAT_MENU) || !defined(USE_ON_FLY_SCROLL))) \
2852 	|| defined(PROTO)
2853 /*
2854  * Represent the given long_u as individual bytes, with the most significant
2855  * byte first, and store them in dst.
2856  */
2857     void
2858 add_long_to_buf(val, dst)
2859     long_u  val;
2860     char_u  *dst;
2861 {
2862     int	    i;
2863     int	    shift;
2864 
2865     for (i = 1; i <= (int)sizeof(long_u); i++)
2866     {
2867 	shift = 8 * (sizeof(long_u) - i);
2868 	dst[i - 1] = (char_u) ((val >> shift) & 0xff);
2869     }
2870 }
2871 
2872 static int get_long_from_buf __ARGS((char_u *buf, long_u *val));
2873 
2874 /*
2875  * Interpret the next string of bytes in buf as a long integer, with the most
2876  * significant byte first.  Note that it is assumed that buf has been through
2877  * inchar(), so that NUL and K_SPECIAL will be represented as three bytes each.
2878  * Puts result in val, and returns the number of bytes read from buf
2879  * (between sizeof(long_u) and 2 * sizeof(long_u)), or -1 if not enough bytes
2880  * were present.
2881  */
2882     static int
2883 get_long_from_buf(buf, val)
2884     char_u  *buf;
2885     long_u  *val;
2886 {
2887     int	    len;
2888     char_u  bytes[sizeof(long_u)];
2889     int	    i;
2890     int	    shift;
2891 
2892     *val = 0;
2893     len = get_bytes_from_buf(buf, bytes, (int)sizeof(long_u));
2894     if (len != -1)
2895     {
2896 	for (i = 0; i < (int)sizeof(long_u); i++)
2897 	{
2898 	    shift = 8 * (sizeof(long_u) - 1 - i);
2899 	    *val += (long_u)bytes[i] << shift;
2900 	}
2901     }
2902     return len;
2903 }
2904 #endif
2905 
2906 #if defined(FEAT_GUI) \
2907     || (defined(FEAT_MOUSE) && (!defined(UNIX) || defined(FEAT_MOUSE_XTERM) \
2908 		|| defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)))
2909 /*
2910  * Read the next num_bytes bytes from buf, and store them in bytes.  Assume
2911  * that buf has been through inchar().	Returns the actual number of bytes used
2912  * from buf (between num_bytes and num_bytes*2), or -1 if not enough bytes were
2913  * available.
2914  */
2915     static int
2916 get_bytes_from_buf(buf, bytes, num_bytes)
2917     char_u  *buf;
2918     char_u  *bytes;
2919     int	    num_bytes;
2920 {
2921     int	    len = 0;
2922     int	    i;
2923     char_u  c;
2924 
2925     for (i = 0; i < num_bytes; i++)
2926     {
2927 	if ((c = buf[len++]) == NUL)
2928 	    return -1;
2929 	if (c == K_SPECIAL)
2930 	{
2931 	    if (buf[len] == NUL || buf[len + 1] == NUL)	    /* cannot happen? */
2932 		return -1;
2933 	    if (buf[len++] == (int)KS_ZERO)
2934 		c = NUL;
2935 	    ++len;	/* skip KE_FILLER */
2936 	    /* else it should be KS_SPECIAL, and c already equals K_SPECIAL */
2937 	}
2938 	else if (c == CSI && buf[len] == KS_EXTRA
2939 					       && buf[len + 1] == (int)KE_CSI)
2940 	    /* CSI is stored as CSI KS_SPECIAL KE_CSI to avoid confusion with
2941 	     * the start of a special key, see add_to_input_buf_csi(). */
2942 	    len += 2;
2943 	bytes[i] = c;
2944     }
2945     return len;
2946 }
2947 #endif
2948 
2949 /*
2950  * Check if the new shell size is valid, correct it if it's too small.
2951  */
2952     void
2953 check_shellsize()
2954 {
2955     if (Columns < MIN_COLUMNS)
2956 	Columns = MIN_COLUMNS;
2957     if (Rows < min_rows())	/* need room for one window and command line */
2958 	Rows = min_rows();
2959 }
2960 
2961 /*
2962  * Invoked just before the screen structures are going to be (re)allocated.
2963  */
2964     void
2965 win_new_shellsize()
2966 {
2967     static int	old_Rows = 0;
2968     static int	old_Columns = 0;
2969 
2970     if (old_Rows != Rows || old_Columns != Columns)
2971 	ui_new_shellsize();
2972     if (old_Rows != Rows)
2973     {
2974 	/* if 'window' uses the whole screen, keep it using that */
2975 	if (p_window == old_Rows - 1 || old_Rows == 0)
2976 	    p_window = Rows - 1;
2977 	old_Rows = Rows;
2978 	shell_new_rows();	/* update window sizes */
2979     }
2980     if (old_Columns != Columns)
2981     {
2982 	old_Columns = Columns;
2983 #ifdef FEAT_VERTSPLIT
2984 	shell_new_columns();	/* update window sizes */
2985 #endif
2986     }
2987 }
2988 
2989 /*
2990  * Call this function when the Vim shell has been resized in any way.
2991  * Will obtain the current size and redraw (also when size didn't change).
2992  */
2993     void
2994 shell_resized()
2995 {
2996     set_shellsize(0, 0, FALSE);
2997 }
2998 
2999 /*
3000  * Check if the shell size changed.  Handle a resize.
3001  * When the size didn't change, nothing happens.
3002  */
3003     void
3004 shell_resized_check()
3005 {
3006     int		old_Rows = Rows;
3007     int		old_Columns = Columns;
3008 
3009     if (!exiting
3010 #ifdef FEAT_GUI
3011 	    /* Do not get the size when executing a shell command during
3012 	     * startup. */
3013 	    && !gui.starting
3014 #endif
3015 	    )
3016     {
3017 	(void)ui_get_shellsize();
3018 	check_shellsize();
3019 	if (old_Rows != Rows || old_Columns != Columns)
3020 	    shell_resized();
3021     }
3022 }
3023 
3024 /*
3025  * Set size of the Vim shell.
3026  * If 'mustset' is TRUE, we must set Rows and Columns, do not get the real
3027  * window size (this is used for the :win command).
3028  * If 'mustset' is FALSE, we may try to get the real window size and if
3029  * it fails use 'width' and 'height'.
3030  */
3031     void
3032 set_shellsize(width, height, mustset)
3033     int	    width, height;
3034     int	    mustset;
3035 {
3036     static int		busy = FALSE;
3037 
3038     /*
3039      * Avoid recursiveness, can happen when setting the window size causes
3040      * another window-changed signal.
3041      */
3042     if (busy)
3043 	return;
3044 
3045     if (width < 0 || height < 0)    /* just checking... */
3046 	return;
3047 
3048     if (State == HITRETURN || State == SETWSIZE)
3049     {
3050 	/* postpone the resizing */
3051 	State = SETWSIZE;
3052 	return;
3053     }
3054 
3055     /* curwin->w_buffer can be NULL when we are closing a window and the
3056      * buffer has already been closed and removing a scrollbar causes a resize
3057      * event. Don't resize then, it will happen after entering another buffer.
3058      */
3059     if (curwin->w_buffer == NULL)
3060 	return;
3061 
3062     ++busy;
3063 
3064 #ifdef AMIGA
3065     out_flush();	    /* must do this before mch_get_shellsize() for
3066 			       some obscure reason */
3067 #endif
3068 
3069     if (mustset || (ui_get_shellsize() == FAIL && height != 0))
3070     {
3071 	Rows = height;
3072 	Columns = width;
3073 	check_shellsize();
3074 	ui_set_shellsize(mustset);
3075     }
3076     else
3077 	check_shellsize();
3078 
3079     /* The window layout used to be adjusted here, but it now happens in
3080      * screenalloc() (also invoked from screenclear()).  That is because the
3081      * "busy" check above may skip this, but not screenalloc(). */
3082 
3083     if (State != ASKMORE && State != EXTERNCMD && State != CONFIRM)
3084 	screenclear();
3085     else
3086 	screen_start();	    /* don't know where cursor is now */
3087 
3088     if (starting != NO_SCREEN)
3089     {
3090 #ifdef FEAT_TITLE
3091 	maketitle();
3092 #endif
3093 	changed_line_abv_curs();
3094 	invalidate_botline();
3095 
3096 	/*
3097 	 * We only redraw when it's needed:
3098 	 * - While at the more prompt or executing an external command, don't
3099 	 *   redraw, but position the cursor.
3100 	 * - While editing the command line, only redraw that.
3101 	 * - in Ex mode, don't redraw anything.
3102 	 * - Otherwise, redraw right now, and position the cursor.
3103 	 * Always need to call update_screen() or screenalloc(), to make
3104 	 * sure Rows/Columns and the size of ScreenLines[] is correct!
3105 	 */
3106 	if (State == ASKMORE || State == EXTERNCMD || State == CONFIRM
3107 							     || exmode_active)
3108 	{
3109 	    screenalloc(FALSE);
3110 	    repeat_message();
3111 	}
3112 	else
3113 	{
3114 #ifdef FEAT_SCROLLBIND
3115 	    if (curwin->w_p_scb)
3116 		do_check_scrollbind(TRUE);
3117 #endif
3118 	    if (State & CMDLINE)
3119 	    {
3120 		update_screen(NOT_VALID);
3121 		redrawcmdline();
3122 	    }
3123 	    else
3124 	    {
3125 		update_topline();
3126 #if defined(FEAT_INS_EXPAND)
3127 		if (pum_visible())
3128 		{
3129 		    redraw_later(NOT_VALID);
3130 		    ins_compl_show_pum(); /* This includes the redraw. */
3131 		}
3132 		else
3133 #endif
3134 		    update_screen(NOT_VALID);
3135 		if (redrawing())
3136 		    setcursor();
3137 	    }
3138 	}
3139 	cursor_on();	    /* redrawing may have switched it off */
3140     }
3141     out_flush();
3142     --busy;
3143 }
3144 
3145 /*
3146  * Set the terminal to TMODE_RAW (for Normal mode) or TMODE_COOK (for external
3147  * commands and Ex mode).
3148  */
3149     void
3150 settmode(tmode)
3151     int	 tmode;
3152 {
3153 #ifdef FEAT_GUI
3154     /* don't set the term where gvim was started to any mode */
3155     if (gui.in_use)
3156 	return;
3157 #endif
3158 
3159     if (full_screen)
3160     {
3161 	/*
3162 	 * When returning after calling a shell we want to really set the
3163 	 * terminal to raw mode, even though we think it already is, because
3164 	 * the shell program may have reset the terminal mode.
3165 	 * When we think the terminal is normal, don't try to set it to
3166 	 * normal again, because that causes problems (logout!) on some
3167 	 * machines.
3168 	 */
3169 	if (tmode != TMODE_COOK || cur_tmode != TMODE_COOK)
3170 	{
3171 #ifdef FEAT_TERMRESPONSE
3172 # ifdef FEAT_GUI
3173 	    if (!gui.in_use && !gui.starting)
3174 # endif
3175 	    {
3176 		/* May need to check for T_CRV response and termcodes, it
3177 		 * doesn't work in Cooked mode, an external program may get
3178 		 * them. */
3179 		if (tmode != TMODE_RAW && crv_status == CRV_SENT)
3180 		    (void)vpeekc_nomap();
3181 		check_for_codes_from_term();
3182 	    }
3183 #endif
3184 #ifdef FEAT_MOUSE_TTY
3185 	    if (tmode != TMODE_RAW)
3186 		mch_setmouse(FALSE);		/* switch mouse off */
3187 #endif
3188 	    out_flush();
3189 	    mch_settmode(tmode);    /* machine specific function */
3190 	    cur_tmode = tmode;
3191 #ifdef FEAT_MOUSE
3192 	    if (tmode == TMODE_RAW)
3193 		setmouse();			/* may switch mouse on */
3194 #endif
3195 	    out_flush();
3196 	}
3197 #ifdef FEAT_TERMRESPONSE
3198 	may_req_termresponse();
3199 #endif
3200     }
3201 }
3202 
3203     void
3204 starttermcap()
3205 {
3206     if (full_screen && !termcap_active)
3207     {
3208 	out_str(T_TI);			/* start termcap mode */
3209 	out_str(T_KS);			/* start "keypad transmit" mode */
3210 	out_flush();
3211 	termcap_active = TRUE;
3212 	screen_start();			/* don't know where cursor is now */
3213 #ifdef FEAT_TERMRESPONSE
3214 # ifdef FEAT_GUI
3215 	if (!gui.in_use && !gui.starting)
3216 # endif
3217 	{
3218 	    may_req_termresponse();
3219 	    /* Immediately check for a response.  If t_Co changes, we don't
3220 	     * want to redraw with wrong colors first. */
3221 	    if (crv_status != CRV_GET)
3222 		check_for_codes_from_term();
3223 	}
3224 #endif
3225     }
3226 }
3227 
3228     void
3229 stoptermcap()
3230 {
3231     screen_stop_highlight();
3232     reset_cterm_colors();
3233     if (termcap_active)
3234     {
3235 #ifdef FEAT_TERMRESPONSE
3236 # ifdef FEAT_GUI
3237 	if (!gui.in_use && !gui.starting)
3238 # endif
3239 	{
3240 	    /* May need to check for T_CRV response. */
3241 	    if (crv_status == CRV_SENT)
3242 		(void)vpeekc_nomap();
3243 	    /* Check for termcodes first, otherwise an external program may
3244 	     * get them. */
3245 	    check_for_codes_from_term();
3246 	}
3247 #endif
3248 	out_str(T_KE);			/* stop "keypad transmit" mode */
3249 	out_flush();
3250 	termcap_active = FALSE;
3251 	cursor_on();			/* just in case it is still off */
3252 	out_str(T_TE);			/* stop termcap mode */
3253 	screen_start();			/* don't know where cursor is now */
3254 	out_flush();
3255     }
3256 }
3257 
3258 #if defined(FEAT_TERMRESPONSE) || defined(PROTO)
3259 /*
3260  * Request version string (for xterm) when needed.
3261  * Only do this after switching to raw mode, otherwise the result will be
3262  * echoed.
3263  * Only do this after startup has finished, to avoid that the response comes
3264  * while executing "-c !cmd" or even after "-c quit".
3265  * Only do this after termcap mode has been started, otherwise the codes for
3266  * the cursor keys may be wrong.
3267  * Only do this when 'esckeys' is on, otherwise the response causes trouble in
3268  * Insert mode.
3269  * On Unix only do it when both output and input are a tty (avoid writing
3270  * request to terminal while reading from a file).
3271  * The result is caught in check_termcode().
3272  */
3273     void
3274 may_req_termresponse()
3275 {
3276     if (crv_status == CRV_GET
3277 	    && cur_tmode == TMODE_RAW
3278 	    && starting == 0
3279 	    && termcap_active
3280 	    && p_ek
3281 # ifdef UNIX
3282 	    && isatty(1)
3283 	    && isatty(read_cmd_fd)
3284 # endif
3285 	    && *T_CRV != NUL)
3286     {
3287 	out_str(T_CRV);
3288 	crv_status = CRV_SENT;
3289 	/* check for the characters now, otherwise they might be eaten by
3290 	 * get_keystroke() */
3291 	out_flush();
3292 	(void)vpeekc_nomap();
3293     }
3294 }
3295 #endif
3296 
3297 /*
3298  * Return TRUE when saving and restoring the screen.
3299  */
3300     int
3301 swapping_screen()
3302 {
3303     return (full_screen && *T_TI != NUL);
3304 }
3305 
3306 #ifdef FEAT_MOUSE
3307 /*
3308  * setmouse() - switch mouse on/off depending on current mode and 'mouse'
3309  */
3310     void
3311 setmouse()
3312 {
3313 # ifdef FEAT_MOUSE_TTY
3314     int	    checkfor;
3315 # endif
3316 
3317 # ifdef FEAT_MOUSESHAPE
3318     update_mouseshape(-1);
3319 # endif
3320 
3321 # ifdef FEAT_MOUSE_TTY /* Should be outside proc, but may break MOUSESHAPE */
3322 #  ifdef FEAT_GUI
3323     /* In the GUI the mouse is always enabled. */
3324     if (gui.in_use)
3325 	return;
3326 #  endif
3327     /* be quick when mouse is off */
3328     if (*p_mouse == NUL || has_mouse_termcode == 0)
3329 	return;
3330 
3331     /* don't switch mouse on when not in raw mode (Ex mode) */
3332     if (cur_tmode != TMODE_RAW)
3333     {
3334 	mch_setmouse(FALSE);
3335 	return;
3336     }
3337 
3338 #  ifdef FEAT_VISUAL
3339     if (VIsual_active)
3340 	checkfor = MOUSE_VISUAL;
3341     else
3342 #  endif
3343 	if (State == HITRETURN || State == ASKMORE || State == SETWSIZE)
3344 	checkfor = MOUSE_RETURN;
3345     else if (State & INSERT)
3346 	checkfor = MOUSE_INSERT;
3347     else if (State & CMDLINE)
3348 	checkfor = MOUSE_COMMAND;
3349     else if (State == CONFIRM || State == EXTERNCMD)
3350 	checkfor = ' '; /* don't use mouse for ":confirm" or ":!cmd" */
3351     else
3352 	checkfor = MOUSE_NORMAL;    /* assume normal mode */
3353 
3354     if (mouse_has(checkfor))
3355 	mch_setmouse(TRUE);
3356     else
3357 	mch_setmouse(FALSE);
3358 # endif
3359 }
3360 
3361 /*
3362  * Return TRUE if
3363  * - "c" is in 'mouse', or
3364  * - 'a' is in 'mouse' and "c" is in MOUSE_A, or
3365  * - the current buffer is a help file and 'h' is in 'mouse' and we are in a
3366  *   normal editing mode (not at hit-return message).
3367  */
3368     int
3369 mouse_has(c)
3370     int	    c;
3371 {
3372     char_u	*p;
3373 
3374     for (p = p_mouse; *p; ++p)
3375 	switch (*p)
3376 	{
3377 	    case 'a': if (vim_strchr((char_u *)MOUSE_A, c) != NULL)
3378 			  return TRUE;
3379 		      break;
3380 	    case MOUSE_HELP: if (c != MOUSE_RETURN && curbuf->b_help)
3381 				 return TRUE;
3382 			     break;
3383 	    default: if (c == *p) return TRUE; break;
3384 	}
3385     return FALSE;
3386 }
3387 
3388 /*
3389  * Return TRUE when 'mousemodel' is set to "popup" or "popup_setpos".
3390  */
3391     int
3392 mouse_model_popup()
3393 {
3394     return (p_mousem[0] == 'p');
3395 }
3396 #endif
3397 
3398 /*
3399  * By outputting the 'cursor very visible' termcap code, for some windowed
3400  * terminals this makes the screen scrolled to the correct position.
3401  * Used when starting Vim or returning from a shell.
3402  */
3403     void
3404 scroll_start()
3405 {
3406     if (*T_VS != NUL)
3407     {
3408 	out_str(T_VS);
3409 	out_str(T_VE);
3410 	screen_start();			/* don't know where cursor is now */
3411     }
3412 }
3413 
3414 static int cursor_is_off = FALSE;
3415 
3416 /*
3417  * Enable the cursor.
3418  */
3419     void
3420 cursor_on()
3421 {
3422     if (cursor_is_off)
3423     {
3424 	out_str(T_VE);
3425 	cursor_is_off = FALSE;
3426     }
3427 }
3428 
3429 /*
3430  * Disable the cursor.
3431  */
3432     void
3433 cursor_off()
3434 {
3435     if (full_screen)
3436     {
3437 	if (!cursor_is_off)
3438 	    out_str(T_VI);	    /* disable cursor */
3439 	cursor_is_off = TRUE;
3440     }
3441 }
3442 
3443 #if defined(CURSOR_SHAPE) || defined(PROTO)
3444 /*
3445  * Set cursor shape to match Insert mode.
3446  */
3447     void
3448 term_cursor_shape()
3449 {
3450     static int showing_insert_mode = MAYBE;
3451 
3452     if (!full_screen || *T_CSI == NUL || *T_CEI == NUL)
3453 	return;
3454 
3455     if (State & INSERT)
3456     {
3457 	if (showing_insert_mode != TRUE)
3458 	    out_str(T_CSI);	    /* Insert mode cursor */
3459 	showing_insert_mode = TRUE;
3460     }
3461     else
3462     {
3463 	if (showing_insert_mode != FALSE)
3464 	    out_str(T_CEI);	    /* non-Insert mode cursor */
3465 	showing_insert_mode = FALSE;
3466     }
3467 }
3468 #endif
3469 
3470 /*
3471  * Set scrolling region for window 'wp'.
3472  * The region starts 'off' lines from the start of the window.
3473  * Also set the vertical scroll region for a vertically split window.  Always
3474  * the full width of the window, excluding the vertical separator.
3475  */
3476     void
3477 scroll_region_set(wp, off)
3478     win_T	*wp;
3479     int		off;
3480 {
3481     OUT_STR(tgoto((char *)T_CS, W_WINROW(wp) + wp->w_height - 1,
3482 							 W_WINROW(wp) + off));
3483 #ifdef FEAT_VERTSPLIT
3484     if (*T_CSV != NUL && wp->w_width != Columns)
3485 	OUT_STR(tgoto((char *)T_CSV, W_WINCOL(wp) + wp->w_width - 1,
3486 							       W_WINCOL(wp)));
3487 #endif
3488     screen_start();		    /* don't know where cursor is now */
3489 }
3490 
3491 /*
3492  * Reset scrolling region to the whole screen.
3493  */
3494     void
3495 scroll_region_reset()
3496 {
3497     OUT_STR(tgoto((char *)T_CS, (int)Rows - 1, 0));
3498 #ifdef FEAT_VERTSPLIT
3499     if (*T_CSV != NUL)
3500 	OUT_STR(tgoto((char *)T_CSV, (int)Columns - 1, 0));
3501 #endif
3502     screen_start();		    /* don't know where cursor is now */
3503 }
3504 
3505 
3506 /*
3507  * List of terminal codes that are currently recognized.
3508  */
3509 
3510 static struct termcode
3511 {
3512     char_u  name[2];	    /* termcap name of entry */
3513     char_u  *code;	    /* terminal code (in allocated memory) */
3514     int	    len;	    /* STRLEN(code) */
3515     int	    modlen;	    /* length of part before ";*~". */
3516 } *termcodes = NULL;
3517 
3518 static int  tc_max_len = 0; /* number of entries that termcodes[] can hold */
3519 static int  tc_len = 0;	    /* current number of entries in termcodes[] */
3520 
3521 static int termcode_star __ARGS((char_u *code, int len));
3522 
3523     void
3524 clear_termcodes()
3525 {
3526     while (tc_len > 0)
3527 	vim_free(termcodes[--tc_len].code);
3528     vim_free(termcodes);
3529     termcodes = NULL;
3530     tc_max_len = 0;
3531 
3532 #ifdef HAVE_TGETENT
3533     BC = (char *)empty_option;
3534     UP = (char *)empty_option;
3535     PC = NUL;			/* set pad character to NUL */
3536     ospeed = 0;
3537 #endif
3538 
3539     need_gather = TRUE;		/* need to fill termleader[] */
3540 }
3541 
3542 #define ATC_FROM_TERM 55
3543 
3544 /*
3545  * Add a new entry to the list of terminal codes.
3546  * The list is kept alphabetical for ":set termcap"
3547  * "flags" is TRUE when replacing 7-bit by 8-bit controls is desired.
3548  * "flags" can also be ATC_FROM_TERM for got_code_from_term().
3549  */
3550     void
3551 add_termcode(name, string, flags)
3552     char_u	*name;
3553     char_u	*string;
3554     int		flags;
3555 {
3556     struct termcode *new_tc;
3557     int		    i, j;
3558     char_u	    *s;
3559     int		    len;
3560 
3561     if (string == NULL || *string == NUL)
3562     {
3563 	del_termcode(name);
3564 	return;
3565     }
3566 
3567     s = vim_strsave(string);
3568     if (s == NULL)
3569 	return;
3570 
3571     /* Change leading <Esc>[ to CSI, change <Esc>O to <M-O>. */
3572     if (flags != 0 && flags != ATC_FROM_TERM && term_7to8bit(string) != 0)
3573     {
3574 	STRMOVE(s, s + 1);
3575 	s[0] = term_7to8bit(string);
3576     }
3577     len = (int)STRLEN(s);
3578 
3579     need_gather = TRUE;		/* need to fill termleader[] */
3580 
3581     /*
3582      * need to make space for more entries
3583      */
3584     if (tc_len == tc_max_len)
3585     {
3586 	tc_max_len += 20;
3587 	new_tc = (struct termcode *)alloc(
3588 			    (unsigned)(tc_max_len * sizeof(struct termcode)));
3589 	if (new_tc == NULL)
3590 	{
3591 	    tc_max_len -= 20;
3592 	    return;
3593 	}
3594 	for (i = 0; i < tc_len; ++i)
3595 	    new_tc[i] = termcodes[i];
3596 	vim_free(termcodes);
3597 	termcodes = new_tc;
3598     }
3599 
3600     /*
3601      * Look for existing entry with the same name, it is replaced.
3602      * Look for an existing entry that is alphabetical higher, the new entry
3603      * is inserted in front of it.
3604      */
3605     for (i = 0; i < tc_len; ++i)
3606     {
3607 	if (termcodes[i].name[0] < name[0])
3608 	    continue;
3609 	if (termcodes[i].name[0] == name[0])
3610 	{
3611 	    if (termcodes[i].name[1] < name[1])
3612 		continue;
3613 	    /*
3614 	     * Exact match: May replace old code.
3615 	     */
3616 	    if (termcodes[i].name[1] == name[1])
3617 	    {
3618 		if (flags == ATC_FROM_TERM && (j = termcode_star(
3619 				    termcodes[i].code, termcodes[i].len)) > 0)
3620 		{
3621 		    /* Don't replace ESC[123;*X or ESC O*X with another when
3622 		     * invoked from got_code_from_term(). */
3623 		    if (len == termcodes[i].len - j
3624 			    && STRNCMP(s, termcodes[i].code, len - 1) == 0
3625 			    && s[len - 1]
3626 				   == termcodes[i].code[termcodes[i].len - 1])
3627 		    {
3628 			/* They are equal but for the ";*": don't add it. */
3629 			vim_free(s);
3630 			return;
3631 		    }
3632 		}
3633 		else
3634 		{
3635 		    /* Replace old code. */
3636 		    vim_free(termcodes[i].code);
3637 		    --tc_len;
3638 		    break;
3639 		}
3640 	    }
3641 	}
3642 	/*
3643 	 * Found alphabetical larger entry, move rest to insert new entry
3644 	 */
3645 	for (j = tc_len; j > i; --j)
3646 	    termcodes[j] = termcodes[j - 1];
3647 	break;
3648     }
3649 
3650     termcodes[i].name[0] = name[0];
3651     termcodes[i].name[1] = name[1];
3652     termcodes[i].code = s;
3653     termcodes[i].len = len;
3654 
3655     /* For xterm we recognize special codes like "ESC[42;*X" and "ESC O*X" that
3656      * accept modifiers. */
3657     termcodes[i].modlen = 0;
3658     j = termcode_star(s, len);
3659     if (j > 0)
3660 	termcodes[i].modlen = len - 1 - j;
3661     ++tc_len;
3662 }
3663 
3664 /*
3665  * Check termcode "code[len]" for ending in ;*X, <Esc>O*X or <M-O>*X.
3666  * The "X" can be any character.
3667  * Return 0 if not found, 2 for ;*X and 1 for O*X and <M-O>*X.
3668  */
3669     static int
3670 termcode_star(code, len)
3671     char_u	*code;
3672     int		len;
3673 {
3674     /* Shortest is <M-O>*X.  With ; shortest is <CSI>1;*X */
3675     if (len >= 3 && code[len - 2] == '*')
3676     {
3677 	if (len >= 5 && code[len - 3] == ';')
3678 	    return 2;
3679 	if ((len >= 4 && code[len - 3] == 'O') || code[len - 3] == 'O' + 128)
3680 	    return 1;
3681     }
3682     return 0;
3683 }
3684 
3685     char_u  *
3686 find_termcode(name)
3687     char_u  *name;
3688 {
3689     int	    i;
3690 
3691     for (i = 0; i < tc_len; ++i)
3692 	if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1])
3693 	    return termcodes[i].code;
3694     return NULL;
3695 }
3696 
3697 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
3698     char_u *
3699 get_termcode(i)
3700     int	    i;
3701 {
3702     if (i >= tc_len)
3703 	return NULL;
3704     return &termcodes[i].name[0];
3705 }
3706 #endif
3707 
3708     void
3709 del_termcode(name)
3710     char_u  *name;
3711 {
3712     int	    i;
3713 
3714     if (termcodes == NULL)	/* nothing there yet */
3715 	return;
3716 
3717     need_gather = TRUE;		/* need to fill termleader[] */
3718 
3719     for (i = 0; i < tc_len; ++i)
3720 	if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1])
3721 	{
3722 	    del_termcode_idx(i);
3723 	    return;
3724 	}
3725     /* not found. Give error message? */
3726 }
3727 
3728     static void
3729 del_termcode_idx(idx)
3730     int		idx;
3731 {
3732     int		i;
3733 
3734     vim_free(termcodes[idx].code);
3735     --tc_len;
3736     for (i = idx; i < tc_len; ++i)
3737 	termcodes[i] = termcodes[i + 1];
3738 }
3739 
3740 #ifdef FEAT_TERMRESPONSE
3741 /*
3742  * Called when detected that the terminal sends 8-bit codes.
3743  * Convert all 7-bit codes to their 8-bit equivalent.
3744  */
3745     static void
3746 switch_to_8bit()
3747 {
3748     int		i;
3749     int		c;
3750 
3751     /* Only need to do something when not already using 8-bit codes. */
3752     if (!term_is_8bit(T_NAME))
3753     {
3754 	for (i = 0; i < tc_len; ++i)
3755 	{
3756 	    c = term_7to8bit(termcodes[i].code);
3757 	    if (c != 0)
3758 	    {
3759 		STRMOVE(termcodes[i].code + 1, termcodes[i].code + 2);
3760 		termcodes[i].code[0] = c;
3761 	    }
3762 	}
3763 	need_gather = TRUE;		/* need to fill termleader[] */
3764     }
3765     detected_8bit = TRUE;
3766 }
3767 #endif
3768 
3769 #ifdef CHECK_DOUBLE_CLICK
3770 static linenr_T orig_topline = 0;
3771 # ifdef FEAT_DIFF
3772 static int orig_topfill = 0;
3773 # endif
3774 #endif
3775 #if (defined(FEAT_WINDOWS) && defined(CHECK_DOUBLE_CLICK)) || defined(PROTO)
3776 /*
3777  * Checking for double clicks ourselves.
3778  * "orig_topline" is used to avoid detecting a double-click when the window
3779  * contents scrolled (e.g., when 'scrolloff' is non-zero).
3780  */
3781 /*
3782  * Set orig_topline.  Used when jumping to another window, so that a double
3783  * click still works.
3784  */
3785     void
3786 set_mouse_topline(wp)
3787     win_T	*wp;
3788 {
3789     orig_topline = wp->w_topline;
3790 # ifdef FEAT_DIFF
3791     orig_topfill = wp->w_topfill;
3792 # endif
3793 }
3794 #endif
3795 
3796 /*
3797  * Check if typebuf.tb_buf[] contains a terminal key code.
3798  * Check from typebuf.tb_buf[typebuf.tb_off] to typebuf.tb_buf[typebuf.tb_off
3799  * + max_offset].
3800  * Return 0 for no match, -1 for partial match, > 0 for full match.
3801  * Return KEYLEN_REMOVED when a key code was deleted.
3802  * With a match, the match is removed, the replacement code is inserted in
3803  * typebuf.tb_buf[] and the number of characters in typebuf.tb_buf[] is
3804  * returned.
3805  * When "buf" is not NULL, buf[bufsize] is used instead of typebuf.tb_buf[].
3806  * "buflen" is then the length of the string in buf[] and is updated for
3807  * inserts and deletes.
3808  */
3809     int
3810 check_termcode(max_offset, buf, bufsize, buflen)
3811     int		max_offset;
3812     char_u	*buf;
3813     int		bufsize;
3814     int		*buflen;
3815 {
3816     char_u	*tp;
3817     char_u	*p;
3818     int		slen = 0;	/* init for GCC */
3819     int		modslen;
3820     int		len;
3821     int		retval = 0;
3822     int		offset;
3823     char_u	key_name[2];
3824     int		modifiers;
3825     int		key;
3826     int		new_slen;
3827     int		extra;
3828     char_u	string[MAX_KEY_CODE_LEN + 1];
3829     int		i, j;
3830     int		idx = 0;
3831 #ifdef FEAT_MOUSE
3832 # if !defined(UNIX) || defined(FEAT_MOUSE_XTERM) || defined(FEAT_GUI) \
3833     || defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)
3834     char_u	bytes[6];
3835     int		num_bytes;
3836 # endif
3837     int		mouse_code = 0;	    /* init for GCC */
3838     int		is_click, is_drag;
3839     int		wheel_code = 0;
3840     int		current_button;
3841     static int	held_button = MOUSE_RELEASE;
3842     static int	orig_num_clicks = 1;
3843     static int	orig_mouse_code = 0x0;
3844 # ifdef CHECK_DOUBLE_CLICK
3845     static int	orig_mouse_col = 0;
3846     static int	orig_mouse_row = 0;
3847     static struct timeval  orig_mouse_time = {0, 0};
3848 					/* time of previous mouse click */
3849     struct timeval  mouse_time;		/* time of current mouse click */
3850     long	timediff;		/* elapsed time in msec */
3851 # endif
3852 #endif
3853     int		cpo_koffset;
3854 #ifdef FEAT_MOUSE_GPM
3855     extern int	gpm_flag; /* gpm library variable */
3856 #endif
3857 
3858     cpo_koffset = (vim_strchr(p_cpo, CPO_KOFFSET) != NULL);
3859 
3860     /*
3861      * Speed up the checks for terminal codes by gathering all first bytes
3862      * used in termleader[].  Often this is just a single <Esc>.
3863      */
3864     if (need_gather)
3865 	gather_termleader();
3866 
3867     /*
3868      * Check at several positions in typebuf.tb_buf[], to catch something like
3869      * "x<Up>" that can be mapped. Stop at max_offset, because characters
3870      * after that cannot be used for mapping, and with @r commands
3871      * typebuf.tb_buf[]
3872      * can become very long.
3873      * This is used often, KEEP IT FAST!
3874      */
3875     for (offset = 0; offset < max_offset; ++offset)
3876     {
3877 	if (buf == NULL)
3878 	{
3879 	    if (offset >= typebuf.tb_len)
3880 		break;
3881 	    tp = typebuf.tb_buf + typebuf.tb_off + offset;
3882 	    len = typebuf.tb_len - offset;	/* length of the input */
3883 	}
3884 	else
3885 	{
3886 	    if (offset >= *buflen)
3887 		break;
3888 	    tp = buf + offset;
3889 	    len = *buflen - offset;
3890 	}
3891 
3892 	/*
3893 	 * Don't check characters after K_SPECIAL, those are already
3894 	 * translated terminal chars (avoid translating ~@^Hx).
3895 	 */
3896 	if (*tp == K_SPECIAL)
3897 	{
3898 	    offset += 2;	/* there are always 2 extra characters */
3899 	    continue;
3900 	}
3901 
3902 	/*
3903 	 * Skip this position if the character does not appear as the first
3904 	 * character in term_strings. This speeds up a lot, since most
3905 	 * termcodes start with the same character (ESC or CSI).
3906 	 */
3907 	i = *tp;
3908 	for (p = termleader; *p && *p != i; ++p)
3909 	    ;
3910 	if (*p == NUL)
3911 	    continue;
3912 
3913 	/*
3914 	 * Skip this position if p_ek is not set and tp[0] is an ESC and we
3915 	 * are in Insert mode.
3916 	 */
3917 	if (*tp == ESC && !p_ek && (State & INSERT))
3918 	    continue;
3919 
3920 	key_name[0] = NUL;	/* no key name found yet */
3921 	key_name[1] = NUL;	/* no key name found yet */
3922 	modifiers = 0;		/* no modifiers yet */
3923 
3924 #ifdef FEAT_GUI
3925 	if (gui.in_use)
3926 	{
3927 	    /*
3928 	     * GUI special key codes are all of the form [CSI xx].
3929 	     */
3930 	    if (*tp == CSI)	    /* Special key from GUI */
3931 	    {
3932 		if (len < 3)
3933 		    return -1;	    /* Shouldn't happen */
3934 		slen = 3;
3935 		key_name[0] = tp[1];
3936 		key_name[1] = tp[2];
3937 	    }
3938 	}
3939 	else
3940 #endif /* FEAT_GUI */
3941 	{
3942 	    for (idx = 0; idx < tc_len; ++idx)
3943 	    {
3944 		/*
3945 		 * Ignore the entry if we are not at the start of
3946 		 * typebuf.tb_buf[]
3947 		 * and there are not enough characters to make a match.
3948 		 * But only when the 'K' flag is in 'cpoptions'.
3949 		 */
3950 		slen = termcodes[idx].len;
3951 		if (cpo_koffset && offset && len < slen)
3952 		    continue;
3953 		if (STRNCMP(termcodes[idx].code, tp,
3954 				     (size_t)(slen > len ? len : slen)) == 0)
3955 		{
3956 		    if (len < slen)		/* got a partial sequence */
3957 			return -1;		/* need to get more chars */
3958 
3959 		    /*
3960 		     * When found a keypad key, check if there is another key
3961 		     * that matches and use that one.  This makes <Home> to be
3962 		     * found instead of <kHome> when they produce the same
3963 		     * key code.
3964 		     */
3965 		    if (termcodes[idx].name[0] == 'K'
3966 				       && VIM_ISDIGIT(termcodes[idx].name[1]))
3967 		    {
3968 			for (j = idx + 1; j < tc_len; ++j)
3969 			    if (termcodes[j].len == slen &&
3970 				    STRNCMP(termcodes[idx].code,
3971 					    termcodes[j].code, slen) == 0)
3972 			    {
3973 				idx = j;
3974 				break;
3975 			    }
3976 		    }
3977 
3978 		    key_name[0] = termcodes[idx].name[0];
3979 		    key_name[1] = termcodes[idx].name[1];
3980 		    break;
3981 		}
3982 
3983 		/*
3984 		 * Check for code with modifier, like xterm uses:
3985 		 * <Esc>[123;*X  (modslen == slen - 3)
3986 		 * Also <Esc>O*X and <M-O>*X (modslen == slen - 2).
3987 		 * When there is a modifier the * matches a number.
3988 		 * When there is no modifier the ;* or * is omitted.
3989 		 */
3990 		if (termcodes[idx].modlen > 0)
3991 		{
3992 		    modslen = termcodes[idx].modlen;
3993 		    if (cpo_koffset && offset && len < modslen)
3994 			continue;
3995 		    if (STRNCMP(termcodes[idx].code, tp,
3996 				(size_t)(modslen > len ? len : modslen)) == 0)
3997 		    {
3998 			int	    n;
3999 
4000 			if (len <= modslen)	/* got a partial sequence */
4001 			    return -1;		/* need to get more chars */
4002 
4003 			if (tp[modslen] == termcodes[idx].code[slen - 1])
4004 			    slen = modslen + 1;	/* no modifiers */
4005 			else if (tp[modslen] != ';' && modslen == slen - 3)
4006 			    continue;	/* no match */
4007 			else
4008 			{
4009 			    /* Skip over the digits, the final char must
4010 			     * follow. */
4011 			    for (j = slen - 2; j < len && isdigit(tp[j]); ++j)
4012 				;
4013 			    ++j;
4014 			    if (len < j)	/* got a partial sequence */
4015 				return -1;	/* need to get more chars */
4016 			    if (tp[j - 1] != termcodes[idx].code[slen - 1])
4017 				continue;	/* no match */
4018 
4019 			    /* Match!  Convert modifier bits. */
4020 			    n = atoi((char *)tp + slen - 2) - 1;
4021 			    if (n & 1)
4022 				modifiers |= MOD_MASK_SHIFT;
4023 			    if (n & 2)
4024 				modifiers |= MOD_MASK_ALT;
4025 			    if (n & 4)
4026 				modifiers |= MOD_MASK_CTRL;
4027 			    if (n & 8)
4028 				modifiers |= MOD_MASK_META;
4029 
4030 			    slen = j;
4031 			}
4032 			key_name[0] = termcodes[idx].name[0];
4033 			key_name[1] = termcodes[idx].name[1];
4034 			break;
4035 		    }
4036 		}
4037 	    }
4038 	}
4039 
4040 #ifdef FEAT_TERMRESPONSE
4041 	if (key_name[0] == NUL
4042 	    /* URXVT mouse uses <ESC>[#;#;#M, but we are matching <ESC>[ */
4043 	    || key_name[0] == KS_URXVT_MOUSE
4044 	    || key_name[0] == KS_SGR_MOUSE)
4045 	{
4046 	    /* Check for xterm version string: "<Esc>[>{x};{vers};{y}c".  Also
4047 	     * eat other possible responses to t_RV, rxvt returns
4048 	     * "<Esc>[?1;2c".  Also accept CSI instead of <Esc>[.
4049 	     * mrxvt has been reported to have "+" in the version. Assume
4050 	     * the escape sequence ends with a letter or one of "{|}~". */
4051 	    if (*T_CRV != NUL && ((tp[0] == ESC && tp[1] == '[' && len >= 3)
4052 					       || (tp[0] == CSI && len >= 2)))
4053 	    {
4054 		j = 0;
4055 		extra = 0;
4056 		for (i = 2 + (tp[0] != CSI); i < len
4057 				&& !(tp[i] >= '{' && tp[i] <= '~')
4058 				&& !ASCII_ISALPHA(tp[i]); ++i)
4059 		    if (tp[i] == ';' && ++j == 1)
4060 			extra = atoi((char *)tp + i + 1);
4061 		if (i == len)
4062 		    return -1;		/* not enough characters */
4063 
4064 		/* eat it when at least one digit and ending in 'c' */
4065 		if (i > 2 + (tp[0] != CSI) && tp[i] == 'c')
4066 		{
4067 		    crv_status = CRV_GOT;
4068 
4069 		    /* If this code starts with CSI, you can bet that the
4070 		     * terminal uses 8-bit codes. */
4071 		    if (tp[0] == CSI)
4072 			switch_to_8bit();
4073 
4074 		    /* rxvt sends its version number: "20703" is 2.7.3.
4075 		     * Ignore it for when the user has set 'term' to xterm,
4076 		     * even though it's an rxvt. */
4077 		    if (extra > 20000)
4078 			extra = 0;
4079 
4080 		    if (tp[1 + (tp[0] != CSI)] == '>' && j == 2)
4081 		    {
4082 # ifdef TTYM_SGR
4083 			if (extra >= 277
4084 # ifdef TTYM_URXVT
4085 				&& ttym_flags != TTYM_URXVT
4086 # endif
4087 				)
4088 			    set_option_value((char_u *)"ttym", 0L,
4089 							  (char_u *)"sgr", 0);
4090                         else
4091 # endif
4092 			/* if xterm version >= 95 use mouse dragging */
4093 			if (extra >= 95
4094 # ifdef TTYM_URXVT
4095 				&& ttym_flags != TTYM_URXVT
4096 # endif
4097 				)
4098 			    set_option_value((char_u *)"ttym", 0L,
4099 						       (char_u *)"xterm2", 0);
4100 			/* if xterm version >= 141 try to get termcap codes */
4101 			if (extra >= 141)
4102 			{
4103 			    check_for_codes = TRUE;
4104 			    need_gather = TRUE;
4105 			    req_codes_from_term();
4106 			}
4107 		    }
4108 # ifdef FEAT_EVAL
4109 		    set_vim_var_string(VV_TERMRESPONSE, tp, i + 1);
4110 # endif
4111 # ifdef FEAT_AUTOCMD
4112 		    apply_autocmds(EVENT_TERMRESPONSE,
4113 						   NULL, NULL, FALSE, curbuf);
4114 # endif
4115 		    key_name[0] = (int)KS_EXTRA;
4116 		    key_name[1] = (int)KE_IGNORE;
4117 		    slen = i + 1;
4118 		}
4119 	    }
4120 
4121 	    /* Check for '<Esc>P1+r<hex bytes><Esc>\'.  A "0" instead of the
4122 	     * "1" means an invalid request. */
4123 	    else if (check_for_codes
4124 		    && ((tp[0] == ESC && tp[1] == 'P' && len >= 2)
4125 			|| tp[0] == DCS))
4126 	    {
4127 		j = 1 + (tp[0] != DCS);
4128 		for (i = j; i < len; ++i)
4129 		    if ((tp[i] == ESC && tp[i + 1] == '\\' && i + 1 < len)
4130 			    || tp[i] == STERM)
4131 		    {
4132 			if (i - j >= 3 && tp[j + 1] == '+' && tp[j + 2] == 'r')
4133 			    got_code_from_term(tp + j, i);
4134 			key_name[0] = (int)KS_EXTRA;
4135 			key_name[1] = (int)KE_IGNORE;
4136 			slen = i + 1 + (tp[i] == ESC);
4137 			break;
4138 		    }
4139 
4140 		if (i == len)
4141 		    return -1;		/* not enough characters */
4142 	    }
4143 	}
4144 #endif
4145 
4146 	if (key_name[0] == NUL)
4147 	    continue;	    /* No match at this position, try next one */
4148 
4149 	/* We only get here when we have a complete termcode match */
4150 
4151 #ifdef FEAT_MOUSE
4152 # ifdef FEAT_GUI
4153 	/*
4154 	 * Only in the GUI: Fetch the pointer coordinates of the scroll event
4155 	 * so that we know which window to scroll later.
4156 	 */
4157 	if (gui.in_use
4158 		&& key_name[0] == (int)KS_EXTRA
4159 		&& (key_name[1] == (int)KE_X1MOUSE
4160 		    || key_name[1] == (int)KE_X2MOUSE
4161 		    || key_name[1] == (int)KE_MOUSELEFT
4162 		    || key_name[1] == (int)KE_MOUSERIGHT
4163 		    || key_name[1] == (int)KE_MOUSEDOWN
4164 		    || key_name[1] == (int)KE_MOUSEUP))
4165 	{
4166 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 4);
4167 	    if (num_bytes == -1)	/* not enough coordinates */
4168 		return -1;
4169 	    mouse_col = 128 * (bytes[0] - ' ' - 1) + bytes[1] - ' ' - 1;
4170 	    mouse_row = 128 * (bytes[2] - ' ' - 1) + bytes[3] - ' ' - 1;
4171 	    slen += num_bytes;
4172 	}
4173 	else
4174 # endif
4175 	/*
4176 	 * If it is a mouse click, get the coordinates.
4177 	 */
4178 	if (key_name[0] == KS_MOUSE
4179 # ifdef FEAT_MOUSE_JSB
4180 		|| key_name[0] == KS_JSBTERM_MOUSE
4181 # endif
4182 # ifdef FEAT_MOUSE_NET
4183 		|| key_name[0] == KS_NETTERM_MOUSE
4184 # endif
4185 # ifdef FEAT_MOUSE_DEC
4186 		|| key_name[0] == KS_DEC_MOUSE
4187 # endif
4188 # ifdef FEAT_MOUSE_PTERM
4189 		|| key_name[0] == KS_PTERM_MOUSE
4190 # endif
4191 # ifdef FEAT_MOUSE_URXVT
4192 		|| key_name[0] == KS_URXVT_MOUSE
4193 # endif
4194 # ifdef FEAT_MOUSE_SGR
4195 		|| key_name[0] == KS_SGR_MOUSE
4196 # endif
4197 		)
4198 	{
4199 	    is_click = is_drag = FALSE;
4200 
4201 # if !defined(UNIX) || defined(FEAT_MOUSE_XTERM) || defined(FEAT_GUI) \
4202 	    || defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)
4203 	    if (key_name[0] == (int)KS_MOUSE)
4204 	    {
4205 		/*
4206 		 * For xterm and MSDOS we get "<t_mouse>scr", where
4207 		 *  s == encoded button state:
4208 		 *	   0x20 = left button down
4209 		 *	   0x21 = middle button down
4210 		 *	   0x22 = right button down
4211 		 *	   0x23 = any button release
4212 		 *	   0x60 = button 4 down (scroll wheel down)
4213 		 *	   0x61 = button 5 down (scroll wheel up)
4214 		 *	add 0x04 for SHIFT
4215 		 *	add 0x08 for ALT
4216 		 *	add 0x10 for CTRL
4217 		 *	add 0x20 for mouse drag (0x40 is drag with left button)
4218 		 *  c == column + ' ' + 1 == column + 33
4219 		 *  r == row + ' ' + 1 == row + 33
4220 		 *
4221 		 * The coordinates are passed on through global variables.
4222 		 * Ugly, but this avoids trouble with mouse clicks at an
4223 		 * unexpected moment and allows for mapping them.
4224 		 */
4225 		for (;;)
4226 		{
4227 #ifdef FEAT_GUI
4228 		    if (gui.in_use)
4229 		    {
4230 			/* GUI uses more bits for columns > 223 */
4231 			num_bytes = get_bytes_from_buf(tp + slen, bytes, 5);
4232 			if (num_bytes == -1)	/* not enough coordinates */
4233 			    return -1;
4234 			mouse_code = bytes[0];
4235 			mouse_col = 128 * (bytes[1] - ' ' - 1)
4236 							 + bytes[2] - ' ' - 1;
4237 			mouse_row = 128 * (bytes[3] - ' ' - 1)
4238 							 + bytes[4] - ' ' - 1;
4239 		    }
4240 		    else
4241 #endif
4242 		    {
4243 			num_bytes = get_bytes_from_buf(tp + slen, bytes, 3);
4244 			if (num_bytes == -1)	/* not enough coordinates */
4245 			    return -1;
4246 			mouse_code = bytes[0];
4247 			mouse_col = bytes[1] - ' ' - 1;
4248 			mouse_row = bytes[2] - ' ' - 1;
4249 		    }
4250 		    slen += num_bytes;
4251 
4252 		    /* If the following bytes is also a mouse code and it has
4253 		     * the same code, dump this one and get the next.  This
4254 		     * makes dragging a whole lot faster. */
4255 #ifdef FEAT_GUI
4256 		    if (gui.in_use)
4257 			j = 3;
4258 		    else
4259 #endif
4260 			j = termcodes[idx].len;
4261 		    if (STRNCMP(tp, tp + slen, (size_t)j) == 0
4262 			    && tp[slen + j] == mouse_code
4263 			    && tp[slen + j + 1] != NUL
4264 			    && tp[slen + j + 2] != NUL
4265 #ifdef FEAT_GUI
4266 			    && (!gui.in_use
4267 				|| (tp[slen + j + 3] != NUL
4268 					&& tp[slen + j + 4] != NUL))
4269 #endif
4270 			    )
4271 			slen += j;
4272 		    else
4273 			break;
4274 		}
4275 	    }
4276 
4277 # if defined(FEAT_MOUSE_URXVT) || defined(FEAT_MOUSE_SGR)
4278 	    if (key_name[0] == KS_URXVT_MOUSE
4279 		|| key_name[0] == KS_SGR_MOUSE)
4280 	    {
4281 		for (;;)
4282 		{
4283 		    /* URXVT 1015 mouse reporting mode:
4284 		     * Almost identical to xterm mouse mode, except the values
4285 		     * are decimal instead of bytes.
4286 		     *
4287 		     * \033[%d;%d;%dM
4288 		     *		  ^-- row
4289 		     *	       ^----- column
4290 		     *	    ^-------- code
4291 		     *
4292 		     * SGR 1006 mouse reporting mode:
4293 		     * Almost identical to xterm mouse mode, except the values
4294 		     * are decimal instead of bytes.
4295 		     *
4296 		     * \033[<%d;%d;%dM
4297 		     *		   ^-- row
4298 		     *	        ^----- column
4299 		     *	     ^-------- code
4300 		     *
4301 		     * \033[<%d;%d;%dm        : mouse release event
4302 		     *		   ^-- row
4303 		     *	        ^----- column
4304 		     *	     ^-------- code
4305 		     */
4306 		    p = tp + slen;
4307 
4308 		    mouse_code = getdigits(&p);
4309 		    if (*p++ != ';')
4310 			return -1;
4311 
4312 		    /* when mouse reporting is SGR, add 32 to mouse code */
4313                     if (key_name[0] == KS_SGR_MOUSE)
4314                         mouse_code += 32;
4315 
4316 		    mouse_col = getdigits(&p) - 1;
4317 		    if (*p++ != ';')
4318 			return -1;
4319 
4320 		    mouse_row = getdigits(&p) - 1;
4321                     if (key_name[0] == KS_SGR_MOUSE && *p == 'm')
4322 			mouse_code |= MOUSE_RELEASE;
4323                     else if (*p != 'M')
4324 			return -1;
4325                     p++;
4326 
4327 		    slen += (int)(p - (tp + slen));
4328 
4329 		    /* skip this one if next one has same code (like xterm
4330 		     * case) */
4331 		    j = termcodes[idx].len;
4332 		    if (STRNCMP(tp, tp + slen, (size_t)j) == 0)
4333 		    {
4334 			int slen2;
4335 			int cmd_complete = 0;
4336 
4337 			/* check if the command is complete by looking for the
4338 			 * 'M' */
4339 			for (slen2 = slen; slen2 < len; slen2++)
4340 			{
4341 			    if (tp[slen2] == 'M'
4342                                 || (key_name[0] == KS_SGR_MOUSE
4343 							 && tp[slen2] == 'm'))
4344 			    {
4345 				cmd_complete = 1;
4346 				break;
4347 			    }
4348 			}
4349 			p += j;
4350 			if (cmd_complete && getdigits(&p) == mouse_code)
4351 			{
4352 			    slen += j; /* skip the \033[ */
4353 			    continue;
4354 			}
4355 		    }
4356 		    break;
4357 		}
4358 	    }
4359 # endif
4360 
4361 	if (key_name[0] == (int)KS_MOUSE
4362 #ifdef FEAT_MOUSE_URXVT
4363 	    || key_name[0] == (int)KS_URXVT_MOUSE
4364 #endif
4365 #ifdef FEAT_MOUSE_SGR
4366 	    || key_name[0] == KS_SGR_MOUSE
4367 #endif
4368 	    )
4369 	{
4370 #  if !defined(MSWIN) && !defined(MSDOS)
4371 		/*
4372 		 * Handle mouse events.
4373 		 * Recognize the xterm mouse wheel, but not in the GUI, the
4374 		 * Linux console with GPM and the MS-DOS or Win32 console
4375 		 * (multi-clicks use >= 0x60).
4376 		 */
4377 		if (mouse_code >= MOUSEWHEEL_LOW
4378 #   ifdef FEAT_GUI
4379 			&& !gui.in_use
4380 #   endif
4381 #   ifdef FEAT_MOUSE_GPM
4382 			&& gpm_flag == 0
4383 #   endif
4384 			)
4385 		{
4386 		    /* Keep the mouse_code before it's changed, so that we
4387 		     * remember that it was a mouse wheel click. */
4388 		    wheel_code = mouse_code;
4389 		}
4390 #   ifdef FEAT_MOUSE_XTERM
4391 		else if (held_button == MOUSE_RELEASE
4392 #    ifdef FEAT_GUI
4393 			&& !gui.in_use
4394 #    endif
4395 			&& (mouse_code == 0x23 || mouse_code == 0x24))
4396 		{
4397 		    /* Apparently used by rxvt scroll wheel. */
4398 		    wheel_code = mouse_code - 0x23 + MOUSEWHEEL_LOW;
4399 		}
4400 #   endif
4401 
4402 #   if defined(UNIX) && defined(FEAT_MOUSE_TTY)
4403 		else if (use_xterm_mouse() > 1)
4404 		{
4405 		    if (mouse_code & MOUSE_DRAG_XTERM)
4406 			mouse_code |= MOUSE_DRAG;
4407 		}
4408 #   endif
4409 #   ifdef FEAT_XCLIPBOARD
4410 		else if (!(mouse_code & MOUSE_DRAG & ~MOUSE_CLICK_MASK))
4411 		{
4412 		    if ((mouse_code & MOUSE_RELEASE) == MOUSE_RELEASE)
4413 			stop_xterm_trace();
4414 		    else
4415 			start_xterm_trace(mouse_code);
4416 		}
4417 #   endif
4418 #  endif
4419 	    }
4420 # endif /* !UNIX || FEAT_MOUSE_XTERM */
4421 # ifdef FEAT_MOUSE_NET
4422 	    if (key_name[0] == (int)KS_NETTERM_MOUSE)
4423 	    {
4424 		int mc, mr;
4425 
4426 		/* expect a rather limited sequence like: balancing {
4427 		 * \033}6,45\r
4428 		 * '6' is the row, 45 is the column
4429 		 */
4430 		p = tp + slen;
4431 		mr = getdigits(&p);
4432 		if (*p++ != ',')
4433 		    return -1;
4434 		mc = getdigits(&p);
4435 		if (*p++ != '\r')
4436 		    return -1;
4437 
4438 		mouse_col = mc - 1;
4439 		mouse_row = mr - 1;
4440 		mouse_code = MOUSE_LEFT;
4441 		slen += (int)(p - (tp + slen));
4442 	    }
4443 # endif	/* FEAT_MOUSE_NET */
4444 # ifdef FEAT_MOUSE_JSB
4445 	    if (key_name[0] == (int)KS_JSBTERM_MOUSE)
4446 	    {
4447 		int mult, val, iter, button, status;
4448 
4449 		/* JSBTERM Input Model
4450 		 * \033[0~zw uniq escape sequence
4451 		 * (L-x)  Left button pressed - not pressed x not reporting
4452 		 * (M-x)  Middle button pressed - not pressed x not reporting
4453 		 * (R-x)  Right button pressed - not pressed x not reporting
4454 		 * (SDmdu)  Single , Double click, m mouse move d button down
4455 		 *						   u button up
4456 		 *  ###   X cursor position padded to 3 digits
4457 		 *  ###   Y cursor position padded to 3 digits
4458 		 * (s-x)  SHIFT key pressed - not pressed x not reporting
4459 		 * (c-x)  CTRL key pressed - not pressed x not reporting
4460 		 * \033\\ terminating sequence
4461 		 */
4462 
4463 		p = tp + slen;
4464 		button = mouse_code = 0;
4465 		switch (*p++)
4466 		{
4467 		    case 'L': button = 1; break;
4468 		    case '-': break;
4469 		    case 'x': break; /* ignore sequence */
4470 		    default:  return -1; /* Unknown Result */
4471 		}
4472 		switch (*p++)
4473 		{
4474 		    case 'M': button |= 2; break;
4475 		    case '-': break;
4476 		    case 'x': break; /* ignore sequence */
4477 		    default:  return -1; /* Unknown Result */
4478 		}
4479 		switch (*p++)
4480 		{
4481 		    case 'R': button |= 4; break;
4482 		    case '-': break;
4483 		    case 'x': break; /* ignore sequence */
4484 		    default:  return -1; /* Unknown Result */
4485 		}
4486 		status = *p++;
4487 		for (val = 0, mult = 100, iter = 0; iter < 3; iter++,
4488 							      mult /= 10, p++)
4489 		    if (*p >= '0' && *p <= '9')
4490 			val += (*p - '0') * mult;
4491 		    else
4492 			return -1;
4493 		mouse_col = val;
4494 		for (val = 0, mult = 100, iter = 0; iter < 3; iter++,
4495 							      mult /= 10, p++)
4496 		    if (*p >= '0' && *p <= '9')
4497 			val += (*p - '0') * mult;
4498 		    else
4499 			return -1;
4500 		mouse_row = val;
4501 		switch (*p++)
4502 		{
4503 		    case 's': button |= 8; break;  /* SHIFT key Pressed */
4504 		    case '-': break;  /* Not Pressed */
4505 		    case 'x': break;  /* Not Reporting */
4506 		    default:  return -1; /* Unknown Result */
4507 		}
4508 		switch (*p++)
4509 		{
4510 		    case 'c': button |= 16; break;  /* CTRL key Pressed */
4511 		    case '-': break;  /* Not Pressed */
4512 		    case 'x': break;  /* Not Reporting */
4513 		    default:  return -1; /* Unknown Result */
4514 		}
4515 		if (*p++ != '\033')
4516 		    return -1;
4517 		if (*p++ != '\\')
4518 		    return -1;
4519 		switch (status)
4520 		{
4521 		    case 'D': /* Double Click */
4522 		    case 'S': /* Single Click */
4523 			if (button & 1) mouse_code |= MOUSE_LEFT;
4524 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
4525 			if (button & 4) mouse_code |= MOUSE_RIGHT;
4526 			if (button & 8) mouse_code |= MOUSE_SHIFT;
4527 			if (button & 16) mouse_code |= MOUSE_CTRL;
4528 			break;
4529 		    case 'm': /* Mouse move */
4530 			if (button & 1) mouse_code |= MOUSE_LEFT;
4531 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
4532 			if (button & 4) mouse_code |= MOUSE_RIGHT;
4533 			if (button & 8) mouse_code |= MOUSE_SHIFT;
4534 			if (button & 16) mouse_code |= MOUSE_CTRL;
4535 			if ((button & 7) != 0)
4536 			{
4537 			    held_button = mouse_code;
4538 			    mouse_code |= MOUSE_DRAG;
4539 			}
4540 			is_drag = TRUE;
4541 			showmode();
4542 			break;
4543 		    case 'd': /* Button Down */
4544 			if (button & 1) mouse_code |= MOUSE_LEFT;
4545 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
4546 			if (button & 4) mouse_code |= MOUSE_RIGHT;
4547 			if (button & 8) mouse_code |= MOUSE_SHIFT;
4548 			if (button & 16) mouse_code |= MOUSE_CTRL;
4549 			break;
4550 		    case 'u': /* Button Up */
4551 			if (button & 1)
4552 			    mouse_code |= MOUSE_LEFT | MOUSE_RELEASE;
4553 			if (button & 2)
4554 			    mouse_code |= MOUSE_MIDDLE | MOUSE_RELEASE;
4555 			if (button & 4)
4556 			    mouse_code |= MOUSE_RIGHT | MOUSE_RELEASE;
4557 			if (button & 8)
4558 			    mouse_code |= MOUSE_SHIFT;
4559 			if (button & 16)
4560 			    mouse_code |= MOUSE_CTRL;
4561 			break;
4562 		    default: return -1; /* Unknown Result */
4563 		}
4564 
4565 		slen += (p - (tp + slen));
4566 	    }
4567 # endif /* FEAT_MOUSE_JSB */
4568 # ifdef FEAT_MOUSE_DEC
4569 	    if (key_name[0] == (int)KS_DEC_MOUSE)
4570 	    {
4571 	       /* The DEC Locator Input Model
4572 		* Netterm delivers the code sequence:
4573 		*  \033[2;4;24;80&w  (left button down)
4574 		*  \033[3;0;24;80&w  (left button up)
4575 		*  \033[6;1;24;80&w  (right button down)
4576 		*  \033[7;0;24;80&w  (right button up)
4577 		* CSI Pe ; Pb ; Pr ; Pc ; Pp & w
4578 		* Pe is the event code
4579 		* Pb is the button code
4580 		* Pr is the row coordinate
4581 		* Pc is the column coordinate
4582 		* Pp is the third coordinate (page number)
4583 		* Pe, the event code indicates what event caused this report
4584 		*    The following event codes are defined:
4585 		*    0 - request, the terminal received an explicit request
4586 		*	 for a locator report, but the locator is unavailable
4587 		*    1 - request, the terminal received an explicit request
4588 		*	 for a locator report
4589 		*    2 - left button down
4590 		*    3 - left button up
4591 		*    4 - middle button down
4592 		*    5 - middle button up
4593 		*    6 - right button down
4594 		*    7 - right button up
4595 		*    8 - fourth button down
4596 		*    9 - fourth button up
4597 		*    10 - locator outside filter rectangle
4598 		* Pb, the button code, ASCII decimal 0-15 indicating which
4599 		*   buttons are down if any. The state of the four buttons
4600 		*   on the locator correspond to the low four bits of the
4601 		*   decimal value,
4602 		*   "1" means button depressed
4603 		*   0 - no buttons down,
4604 		*   1 - right,
4605 		*   2 - middle,
4606 		*   4 - left,
4607 		*   8 - fourth
4608 		* Pr is the row coordinate of the locator position in the page,
4609 		*   encoded as an ASCII decimal value.
4610 		*   If Pr is omitted, the locator position is undefined
4611 		*   (outside the terminal window for example).
4612 		* Pc is the column coordinate of the locator position in the
4613 		*   page, encoded as an ASCII decimal value.
4614 		*   If Pc is omitted, the locator position is undefined
4615 		*   (outside the terminal window for example).
4616 		* Pp is the page coordinate of the locator position
4617 		*   encoded as an ASCII decimal value.
4618 		*   The page coordinate may be omitted if the locator is on
4619 		*   page one (the default).  We ignore it anyway.
4620 		*/
4621 		int Pe, Pb, Pr, Pc;
4622 
4623 		p = tp + slen;
4624 
4625 		/* get event status */
4626 		Pe = getdigits(&p);
4627 		if (*p++ != ';')
4628 		    return -1;
4629 
4630 		/* get button status */
4631 		Pb = getdigits(&p);
4632 		if (*p++ != ';')
4633 		    return -1;
4634 
4635 		/* get row status */
4636 		Pr = getdigits(&p);
4637 		if (*p++ != ';')
4638 		    return -1;
4639 
4640 		/* get column status */
4641 		Pc = getdigits(&p);
4642 
4643 		/* the page parameter is optional */
4644 		if (*p == ';')
4645 		{
4646 		    p++;
4647 		    (void)getdigits(&p);
4648 		}
4649 		if (*p++ != '&')
4650 		    return -1;
4651 		if (*p++ != 'w')
4652 		    return -1;
4653 
4654 		mouse_code = 0;
4655 		switch (Pe)
4656 		{
4657 		case  0: return -1; /* position request while unavailable */
4658 		case  1: /* a response to a locator position request includes
4659 			    the status of all buttons */
4660 			 Pb &= 7;   /* mask off and ignore fourth button */
4661 			 if (Pb & 4)
4662 			     mouse_code  = MOUSE_LEFT;
4663 			 if (Pb & 2)
4664 			     mouse_code  = MOUSE_MIDDLE;
4665 			 if (Pb & 1)
4666 			     mouse_code  = MOUSE_RIGHT;
4667 			 if (Pb)
4668 			 {
4669 			     held_button = mouse_code;
4670 			     mouse_code |= MOUSE_DRAG;
4671 			     WantQueryMouse = TRUE;
4672 			 }
4673 			 is_drag = TRUE;
4674 			 showmode();
4675 			 break;
4676 		case  2: mouse_code = MOUSE_LEFT;
4677 			 WantQueryMouse = TRUE;
4678 			 break;
4679 		case  3: mouse_code = MOUSE_RELEASE | MOUSE_LEFT;
4680 			 break;
4681 		case  4: mouse_code = MOUSE_MIDDLE;
4682 			 WantQueryMouse = TRUE;
4683 			 break;
4684 		case  5: mouse_code = MOUSE_RELEASE | MOUSE_MIDDLE;
4685 			 break;
4686 		case  6: mouse_code = MOUSE_RIGHT;
4687 			 WantQueryMouse = TRUE;
4688 			 break;
4689 		case  7: mouse_code = MOUSE_RELEASE | MOUSE_RIGHT;
4690 			 break;
4691 		case  8: return -1; /* fourth button down */
4692 		case  9: return -1; /* fourth button up */
4693 		case 10: return -1; /* mouse outside of filter rectangle */
4694 		default: return -1; /* should never occur */
4695 		}
4696 
4697 		mouse_col = Pc - 1;
4698 		mouse_row = Pr - 1;
4699 
4700 		slen += (int)(p - (tp + slen));
4701 	    }
4702 # endif /* FEAT_MOUSE_DEC */
4703 # ifdef FEAT_MOUSE_PTERM
4704 	    if (key_name[0] == (int)KS_PTERM_MOUSE)
4705 	    {
4706 		int button, num_clicks, action;
4707 
4708 		p = tp + slen;
4709 
4710 		action = getdigits(&p);
4711 		if (*p++ != ';')
4712 		    return -1;
4713 
4714 		mouse_row = getdigits(&p);
4715 		if (*p++ != ';')
4716 		    return -1;
4717 		mouse_col = getdigits(&p);
4718 		if (*p++ != ';')
4719 		    return -1;
4720 
4721 		button = getdigits(&p);
4722 		mouse_code = 0;
4723 
4724 		switch( button )
4725 		{
4726 		    case 4: mouse_code = MOUSE_LEFT; break;
4727 		    case 1: mouse_code = MOUSE_RIGHT; break;
4728 		    case 2: mouse_code = MOUSE_MIDDLE; break;
4729 		    default: return -1;
4730 		}
4731 
4732 		switch( action )
4733 		{
4734 		    case 31: /* Initial press */
4735 			if (*p++ != ';')
4736 			    return -1;
4737 
4738 			num_clicks = getdigits(&p); /* Not used */
4739 			break;
4740 
4741 		    case 32: /* Release */
4742 			mouse_code |= MOUSE_RELEASE;
4743 			break;
4744 
4745 		    case 33: /* Drag */
4746 			held_button = mouse_code;
4747 			mouse_code |= MOUSE_DRAG;
4748 			break;
4749 
4750 		    default:
4751 			return -1;
4752 		}
4753 
4754 		if (*p++ != 't')
4755 		    return -1;
4756 
4757 		slen += (p - (tp + slen));
4758 	    }
4759 # endif /* FEAT_MOUSE_PTERM */
4760 
4761 	    /* Interpret the mouse code */
4762 	    current_button = (mouse_code & MOUSE_CLICK_MASK);
4763 	    if (current_button == MOUSE_RELEASE
4764 # ifdef FEAT_MOUSE_XTERM
4765 		    && wheel_code == 0
4766 # endif
4767 		    )
4768 	    {
4769 		/*
4770 		 * If we get a mouse drag or release event when
4771 		 * there is no mouse button held down (held_button ==
4772 		 * MOUSE_RELEASE), produce a K_IGNORE below.
4773 		 * (can happen when you hold down two buttons
4774 		 * and then let them go, or click in the menu bar, but not
4775 		 * on a menu, and drag into the text).
4776 		 */
4777 		if ((mouse_code & MOUSE_DRAG) == MOUSE_DRAG)
4778 		    is_drag = TRUE;
4779 		current_button = held_button;
4780 	    }
4781 	    else if (wheel_code == 0)
4782 	    {
4783 # ifdef CHECK_DOUBLE_CLICK
4784 #  ifdef FEAT_MOUSE_GPM
4785 #   ifdef FEAT_GUI
4786 		/*
4787 		 * Only for Unix, when GUI or gpm is not active, we handle
4788 		 * multi-clicks here.
4789 		 */
4790 		if (gpm_flag == 0 && !gui.in_use)
4791 #   else
4792 		if (gpm_flag == 0)
4793 #   endif
4794 #  else
4795 #   ifdef FEAT_GUI
4796 		if (!gui.in_use)
4797 #   endif
4798 #  endif
4799 		{
4800 		    /*
4801 		     * Compute the time elapsed since the previous mouse click.
4802 		     */
4803 		    gettimeofday(&mouse_time, NULL);
4804 		    timediff = (mouse_time.tv_usec
4805 					    - orig_mouse_time.tv_usec) / 1000;
4806 		    if (timediff < 0)
4807 			--orig_mouse_time.tv_sec;
4808 		    timediff += (mouse_time.tv_sec
4809 					     - orig_mouse_time.tv_sec) * 1000;
4810 		    orig_mouse_time = mouse_time;
4811 		    if (mouse_code == orig_mouse_code
4812 			    && timediff < p_mouset
4813 			    && orig_num_clicks != 4
4814 			    && orig_mouse_col == mouse_col
4815 			    && orig_mouse_row == mouse_row
4816 			    && ((orig_topline == curwin->w_topline
4817 #ifdef FEAT_DIFF
4818 				    && orig_topfill == curwin->w_topfill
4819 #endif
4820 				)
4821 #ifdef FEAT_WINDOWS
4822 				/* Double click in tab pages line also works
4823 				 * when window contents changes. */
4824 				|| (mouse_row == 0 && firstwin->w_winrow > 0)
4825 #endif
4826 			       )
4827 			    )
4828 			++orig_num_clicks;
4829 		    else
4830 			orig_num_clicks = 1;
4831 		    orig_mouse_col = mouse_col;
4832 		    orig_mouse_row = mouse_row;
4833 		    orig_topline = curwin->w_topline;
4834 #ifdef FEAT_DIFF
4835 		    orig_topfill = curwin->w_topfill;
4836 #endif
4837 		}
4838 #  if defined(FEAT_GUI) || defined(FEAT_MOUSE_GPM)
4839 		else
4840 		    orig_num_clicks = NUM_MOUSE_CLICKS(mouse_code);
4841 #  endif
4842 # else
4843 		orig_num_clicks = NUM_MOUSE_CLICKS(mouse_code);
4844 # endif
4845 		is_click = TRUE;
4846 		orig_mouse_code = mouse_code;
4847 	    }
4848 	    if (!is_drag)
4849 		held_button = mouse_code & MOUSE_CLICK_MASK;
4850 
4851 	    /*
4852 	     * Translate the actual mouse event into a pseudo mouse event.
4853 	     * First work out what modifiers are to be used.
4854 	     */
4855 	    if (orig_mouse_code & MOUSE_SHIFT)
4856 		modifiers |= MOD_MASK_SHIFT;
4857 	    if (orig_mouse_code & MOUSE_CTRL)
4858 		modifiers |= MOD_MASK_CTRL;
4859 	    if (orig_mouse_code & MOUSE_ALT)
4860 		modifiers |= MOD_MASK_ALT;
4861 	    if (orig_num_clicks == 2)
4862 		modifiers |= MOD_MASK_2CLICK;
4863 	    else if (orig_num_clicks == 3)
4864 		modifiers |= MOD_MASK_3CLICK;
4865 	    else if (orig_num_clicks == 4)
4866 		modifiers |= MOD_MASK_4CLICK;
4867 
4868 	    /* Work out our pseudo mouse event */
4869 	    key_name[0] = (int)KS_EXTRA;
4870 	    if (wheel_code != 0)
4871 	    {
4872 		if (wheel_code & MOUSE_CTRL)
4873 		    modifiers |= MOD_MASK_CTRL;
4874 		if (wheel_code & MOUSE_ALT)
4875 		    modifiers |= MOD_MASK_ALT;
4876 		key_name[1] = (wheel_code & 1)
4877 					? (int)KE_MOUSEUP : (int)KE_MOUSEDOWN;
4878 	    }
4879 	    else
4880 		key_name[1] = get_pseudo_mouse_code(current_button,
4881 							   is_click, is_drag);
4882 	}
4883 #endif /* FEAT_MOUSE */
4884 
4885 #ifdef FEAT_GUI
4886 	/*
4887 	 * If using the GUI, then we get menu and scrollbar events.
4888 	 *
4889 	 * A menu event is encoded as K_SPECIAL, KS_MENU, KE_FILLER followed by
4890 	 * four bytes which are to be taken as a pointer to the vimmenu_T
4891 	 * structure.
4892 	 *
4893 	 * A tab line event is encoded as K_SPECIAL KS_TABLINE nr, where "nr"
4894 	 * is one byte with the tab index.
4895 	 *
4896 	 * A scrollbar event is K_SPECIAL, KS_VER_SCROLLBAR, KE_FILLER followed
4897 	 * by one byte representing the scrollbar number, and then four bytes
4898 	 * representing a long_u which is the new value of the scrollbar.
4899 	 *
4900 	 * A horizontal scrollbar event is K_SPECIAL, KS_HOR_SCROLLBAR,
4901 	 * KE_FILLER followed by four bytes representing a long_u which is the
4902 	 * new value of the scrollbar.
4903 	 */
4904 # ifdef FEAT_MENU
4905 	else if (key_name[0] == (int)KS_MENU)
4906 	{
4907 	    long_u	val;
4908 
4909 	    num_bytes = get_long_from_buf(tp + slen, &val);
4910 	    if (num_bytes == -1)
4911 		return -1;
4912 	    current_menu = (vimmenu_T *)val;
4913 	    slen += num_bytes;
4914 
4915 	    /* The menu may have been deleted right after it was used, check
4916 	     * for that. */
4917 	    if (check_menu_pointer(root_menu, current_menu) == FAIL)
4918 	    {
4919 		key_name[0] = KS_EXTRA;
4920 		key_name[1] = (int)KE_IGNORE;
4921 	    }
4922 	}
4923 # endif
4924 # ifdef FEAT_GUI_TABLINE
4925 	else if (key_name[0] == (int)KS_TABLINE)
4926 	{
4927 	    /* Selecting tabline tab or using its menu. */
4928 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 1);
4929 	    if (num_bytes == -1)
4930 		return -1;
4931 	    current_tab = (int)bytes[0];
4932 	    if (current_tab == 255)	/* -1 in a byte gives 255 */
4933 		current_tab = -1;
4934 	    slen += num_bytes;
4935 	}
4936 	else if (key_name[0] == (int)KS_TABMENU)
4937 	{
4938 	    /* Selecting tabline tab or using its menu. */
4939 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 2);
4940 	    if (num_bytes == -1)
4941 		return -1;
4942 	    current_tab = (int)bytes[0];
4943 	    current_tabmenu = (int)bytes[1];
4944 	    slen += num_bytes;
4945 	}
4946 # endif
4947 # ifndef USE_ON_FLY_SCROLL
4948 	else if (key_name[0] == (int)KS_VER_SCROLLBAR)
4949 	{
4950 	    long_u	val;
4951 
4952 	    /* Get the last scrollbar event in the queue of the same type */
4953 	    j = 0;
4954 	    for (i = 0; tp[j] == CSI && tp[j + 1] == KS_VER_SCROLLBAR
4955 						     && tp[j + 2] != NUL; ++i)
4956 	    {
4957 		j += 3;
4958 		num_bytes = get_bytes_from_buf(tp + j, bytes, 1);
4959 		if (num_bytes == -1)
4960 		    break;
4961 		if (i == 0)
4962 		    current_scrollbar = (int)bytes[0];
4963 		else if (current_scrollbar != (int)bytes[0])
4964 		    break;
4965 		j += num_bytes;
4966 		num_bytes = get_long_from_buf(tp + j, &val);
4967 		if (num_bytes == -1)
4968 		    break;
4969 		scrollbar_value = val;
4970 		j += num_bytes;
4971 		slen = j;
4972 	    }
4973 	    if (i == 0)		/* not enough characters to make one */
4974 		return -1;
4975 	}
4976 	else if (key_name[0] == (int)KS_HOR_SCROLLBAR)
4977 	{
4978 	    long_u	val;
4979 
4980 	    /* Get the last horiz. scrollbar event in the queue */
4981 	    j = 0;
4982 	    for (i = 0; tp[j] == CSI && tp[j + 1] == KS_HOR_SCROLLBAR
4983 						     && tp[j + 2] != NUL; ++i)
4984 	    {
4985 		j += 3;
4986 		num_bytes = get_long_from_buf(tp + j, &val);
4987 		if (num_bytes == -1)
4988 		    break;
4989 		scrollbar_value = val;
4990 		j += num_bytes;
4991 		slen = j;
4992 	    }
4993 	    if (i == 0)		/* not enough characters to make one */
4994 		return -1;
4995 	}
4996 # endif /* !USE_ON_FLY_SCROLL */
4997 #endif /* FEAT_GUI */
4998 
4999 	/*
5000 	 * Change <xHome> to <Home>, <xUp> to <Up>, etc.
5001 	 */
5002 	key = handle_x_keys(TERMCAP2KEY(key_name[0], key_name[1]));
5003 
5004 	/*
5005 	 * Add any modifier codes to our string.
5006 	 */
5007 	new_slen = 0;		/* Length of what will replace the termcode */
5008 	if (modifiers != 0)
5009 	{
5010 	    /* Some keys have the modifier included.  Need to handle that here
5011 	     * to make mappings work. */
5012 	    key = simplify_key(key, &modifiers);
5013 	    if (modifiers != 0)
5014 	    {
5015 		string[new_slen++] = K_SPECIAL;
5016 		string[new_slen++] = (int)KS_MODIFIER;
5017 		string[new_slen++] = modifiers;
5018 	    }
5019 	}
5020 
5021 	/* Finally, add the special key code to our string */
5022 	key_name[0] = KEY2TERMCAP0(key);
5023 	key_name[1] = KEY2TERMCAP1(key);
5024 	if (key_name[0] == KS_KEY)
5025 	{
5026 	    /* from ":set <M-b>=xx" */
5027 #ifdef FEAT_MBYTE
5028 	    if (has_mbyte)
5029 		new_slen += (*mb_char2bytes)(key_name[1], string + new_slen);
5030 	    else
5031 #endif
5032 		string[new_slen++] = key_name[1];
5033 	}
5034 	else if (new_slen == 0 && key_name[0] == KS_EXTRA
5035 						  && key_name[1] == KE_IGNORE)
5036 	{
5037 	    /* Do not put K_IGNORE into the buffer, do return KEYLEN_REMOVED
5038 	     * to indicate what happened. */
5039 	    retval = KEYLEN_REMOVED;
5040 	}
5041 	else
5042 	{
5043 	    string[new_slen++] = K_SPECIAL;
5044 	    string[new_slen++] = key_name[0];
5045 	    string[new_slen++] = key_name[1];
5046 	}
5047 	string[new_slen] = NUL;
5048 	extra = new_slen - slen;
5049 	if (buf == NULL)
5050 	{
5051 	    if (extra < 0)
5052 		/* remove matched chars, taking care of noremap */
5053 		del_typebuf(-extra, offset);
5054 	    else if (extra > 0)
5055 		/* insert the extra space we need */
5056 		ins_typebuf(string + slen, REMAP_YES, offset, FALSE, FALSE);
5057 
5058 	    /*
5059 	     * Careful: del_typebuf() and ins_typebuf() may have reallocated
5060 	     * typebuf.tb_buf[]!
5061 	     */
5062 	    mch_memmove(typebuf.tb_buf + typebuf.tb_off + offset, string,
5063 							    (size_t)new_slen);
5064 	}
5065 	else
5066 	{
5067 	    if (extra < 0)
5068 		/* remove matched characters */
5069 		mch_memmove(buf + offset, buf + offset - extra,
5070 					   (size_t)(*buflen + offset + extra));
5071 	    else if (extra > 0)
5072 	    {
5073 		/* Insert the extra space we need.  If there is insufficient
5074 		 * space return -1. */
5075 		if (*buflen + extra + new_slen >= bufsize)
5076 		    return -1;
5077 		mch_memmove(buf + offset + extra, buf + offset,
5078 						   (size_t)(*buflen - offset));
5079 	    }
5080 	    mch_memmove(buf + offset, string, (size_t)new_slen);
5081 	    *buflen = *buflen + extra + new_slen;
5082 	}
5083 	return retval == 0 ? (len + extra + offset) : retval;
5084     }
5085 
5086     return 0;			    /* no match found */
5087 }
5088 
5089 /*
5090  * Replace any terminal code strings in from[] with the equivalent internal
5091  * vim representation.	This is used for the "from" and "to" part of a
5092  * mapping, and the "to" part of a menu command.
5093  * Any strings like "<C-UP>" are also replaced, unless 'cpoptions' contains
5094  * '<'.
5095  * K_SPECIAL by itself is replaced by K_SPECIAL KS_SPECIAL KE_FILLER.
5096  *
5097  * The replacement is done in result[] and finally copied into allocated
5098  * memory. If this all works well *bufp is set to the allocated memory and a
5099  * pointer to it is returned. If something fails *bufp is set to NULL and from
5100  * is returned.
5101  *
5102  * CTRL-V characters are removed.  When "from_part" is TRUE, a trailing CTRL-V
5103  * is included, otherwise it is removed (for ":map xx ^V", maps xx to
5104  * nothing).  When 'cpoptions' does not contain 'B', a backslash can be used
5105  * instead of a CTRL-V.
5106  */
5107     char_u *
5108 replace_termcodes(from, bufp, from_part, do_lt, special)
5109     char_u	*from;
5110     char_u	**bufp;
5111     int		from_part;
5112     int		do_lt;		/* also translate <lt> */
5113     int		special;	/* always accept <key> notation */
5114 {
5115     int		i;
5116     int		slen;
5117     int		key;
5118     int		dlen = 0;
5119     char_u	*src;
5120     int		do_backslash;	/* backslash is a special character */
5121     int		do_special;	/* recognize <> key codes */
5122     int		do_key_code;	/* recognize raw key codes */
5123     char_u	*result;	/* buffer for resulting string */
5124 
5125     do_backslash = (vim_strchr(p_cpo, CPO_BSLASH) == NULL);
5126     do_special = (vim_strchr(p_cpo, CPO_SPECI) == NULL) || special;
5127     do_key_code = (vim_strchr(p_cpo, CPO_KEYCODE) == NULL);
5128 
5129     /*
5130      * Allocate space for the translation.  Worst case a single character is
5131      * replaced by 6 bytes (shifted special key), plus a NUL at the end.
5132      */
5133     result = alloc((unsigned)STRLEN(from) * 6 + 1);
5134     if (result == NULL)		/* out of memory */
5135     {
5136 	*bufp = NULL;
5137 	return from;
5138     }
5139 
5140     src = from;
5141 
5142     /*
5143      * Check for #n at start only: function key n
5144      */
5145     if (from_part && src[0] == '#' && VIM_ISDIGIT(src[1]))  /* function key */
5146     {
5147 	result[dlen++] = K_SPECIAL;
5148 	result[dlen++] = 'k';
5149 	if (src[1] == '0')
5150 	    result[dlen++] = ';';	/* #0 is F10 is "k;" */
5151 	else
5152 	    result[dlen++] = src[1];	/* #3 is F3 is "k3" */
5153 	src += 2;
5154     }
5155 
5156     /*
5157      * Copy each byte from *from to result[dlen]
5158      */
5159     while (*src != NUL)
5160     {
5161 	/*
5162 	 * If 'cpoptions' does not contain '<', check for special key codes,
5163 	 * like "<C-S-LeftMouse>"
5164 	 */
5165 	if (do_special && (do_lt || STRNCMP(src, "<lt>", 4) != 0))
5166 	{
5167 #ifdef FEAT_EVAL
5168 	    /*
5169 	     * Replace <SID> by K_SNR <script-nr> _.
5170 	     * (room: 5 * 6 = 30 bytes; needed: 3 + <nr> + 1 <= 14)
5171 	     */
5172 	    if (STRNICMP(src, "<SID>", 5) == 0)
5173 	    {
5174 		if (current_SID <= 0)
5175 		    EMSG(_(e_usingsid));
5176 		else
5177 		{
5178 		    src += 5;
5179 		    result[dlen++] = K_SPECIAL;
5180 		    result[dlen++] = (int)KS_EXTRA;
5181 		    result[dlen++] = (int)KE_SNR;
5182 		    sprintf((char *)result + dlen, "%ld", (long)current_SID);
5183 		    dlen += (int)STRLEN(result + dlen);
5184 		    result[dlen++] = '_';
5185 		    continue;
5186 		}
5187 	    }
5188 #endif
5189 
5190 	    slen = trans_special(&src, result + dlen, TRUE);
5191 	    if (slen)
5192 	    {
5193 		dlen += slen;
5194 		continue;
5195 	    }
5196 	}
5197 
5198 	/*
5199 	 * If 'cpoptions' does not contain 'k', see if it's an actual key-code.
5200 	 * Note that this is also checked after replacing the <> form.
5201 	 * Single character codes are NOT replaced (e.g. ^H or DEL), because
5202 	 * it could be a character in the file.
5203 	 */
5204 	if (do_key_code)
5205 	{
5206 	    i = find_term_bykeys(src);
5207 	    if (i >= 0)
5208 	    {
5209 		result[dlen++] = K_SPECIAL;
5210 		result[dlen++] = termcodes[i].name[0];
5211 		result[dlen++] = termcodes[i].name[1];
5212 		src += termcodes[i].len;
5213 		/* If terminal code matched, continue after it. */
5214 		continue;
5215 	    }
5216 	}
5217 
5218 #ifdef FEAT_EVAL
5219 	if (do_special)
5220 	{
5221 	    char_u	*p, *s, len;
5222 
5223 	    /*
5224 	     * Replace <Leader> by the value of "mapleader".
5225 	     * Replace <LocalLeader> by the value of "maplocalleader".
5226 	     * If "mapleader" or "maplocalleader" isn't set use a backslash.
5227 	     */
5228 	    if (STRNICMP(src, "<Leader>", 8) == 0)
5229 	    {
5230 		len = 8;
5231 		p = get_var_value((char_u *)"g:mapleader");
5232 	    }
5233 	    else if (STRNICMP(src, "<LocalLeader>", 13) == 0)
5234 	    {
5235 		len = 13;
5236 		p = get_var_value((char_u *)"g:maplocalleader");
5237 	    }
5238 	    else
5239 	    {
5240 		len = 0;
5241 		p = NULL;
5242 	    }
5243 	    if (len != 0)
5244 	    {
5245 		/* Allow up to 8 * 6 characters for "mapleader". */
5246 		if (p == NULL || *p == NUL || STRLEN(p) > 8 * 6)
5247 		    s = (char_u *)"\\";
5248 		else
5249 		    s = p;
5250 		while (*s != NUL)
5251 		    result[dlen++] = *s++;
5252 		src += len;
5253 		continue;
5254 	    }
5255 	}
5256 #endif
5257 
5258 	/*
5259 	 * Remove CTRL-V and ignore the next character.
5260 	 * For "from" side the CTRL-V at the end is included, for the "to"
5261 	 * part it is removed.
5262 	 * If 'cpoptions' does not contain 'B', also accept a backslash.
5263 	 */
5264 	key = *src;
5265 	if (key == Ctrl_V || (do_backslash && key == '\\'))
5266 	{
5267 	    ++src;				/* skip CTRL-V or backslash */
5268 	    if (*src == NUL)
5269 	    {
5270 		if (from_part)
5271 		    result[dlen++] = key;
5272 		break;
5273 	    }
5274 	}
5275 
5276 #ifdef FEAT_MBYTE
5277 	/* skip multibyte char correctly */
5278 	for (i = (*mb_ptr2len)(src); i > 0; --i)
5279 #endif
5280 	{
5281 	    /*
5282 	     * If the character is K_SPECIAL, replace it with K_SPECIAL
5283 	     * KS_SPECIAL KE_FILLER.
5284 	     * If compiled with the GUI replace CSI with K_CSI.
5285 	     */
5286 	    if (*src == K_SPECIAL)
5287 	    {
5288 		result[dlen++] = K_SPECIAL;
5289 		result[dlen++] = KS_SPECIAL;
5290 		result[dlen++] = KE_FILLER;
5291 	    }
5292 # ifdef FEAT_GUI
5293 	    else if (*src == CSI)
5294 	    {
5295 		result[dlen++] = K_SPECIAL;
5296 		result[dlen++] = KS_EXTRA;
5297 		result[dlen++] = (int)KE_CSI;
5298 	    }
5299 # endif
5300 	    else
5301 		result[dlen++] = *src;
5302 	    ++src;
5303 	}
5304     }
5305     result[dlen] = NUL;
5306 
5307     /*
5308      * Copy the new string to allocated memory.
5309      * If this fails, just return from.
5310      */
5311     if ((*bufp = vim_strsave(result)) != NULL)
5312 	from = *bufp;
5313     vim_free(result);
5314     return from;
5315 }
5316 
5317 /*
5318  * Find a termcode with keys 'src' (must be NUL terminated).
5319  * Return the index in termcodes[], or -1 if not found.
5320  */
5321     int
5322 find_term_bykeys(src)
5323     char_u	*src;
5324 {
5325     int		i;
5326     int		slen = (int)STRLEN(src);
5327 
5328     for (i = 0; i < tc_len; ++i)
5329     {
5330 	if (slen == termcodes[i].len
5331 			&& STRNCMP(termcodes[i].code, src, (size_t)slen) == 0)
5332 	    return i;
5333     }
5334     return -1;
5335 }
5336 
5337 /*
5338  * Gather the first characters in the terminal key codes into a string.
5339  * Used to speed up check_termcode().
5340  */
5341     static void
5342 gather_termleader()
5343 {
5344     int	    i;
5345     int	    len = 0;
5346 
5347 #ifdef FEAT_GUI
5348     if (gui.in_use)
5349 	termleader[len++] = CSI;    /* the GUI codes are not in termcodes[] */
5350 #endif
5351 #ifdef FEAT_TERMRESPONSE
5352     if (check_for_codes)
5353 	termleader[len++] = DCS;    /* the termcode response starts with DCS
5354 				       in 8-bit mode */
5355 #endif
5356     termleader[len] = NUL;
5357 
5358     for (i = 0; i < tc_len; ++i)
5359 	if (vim_strchr(termleader, termcodes[i].code[0]) == NULL)
5360 	{
5361 	    termleader[len++] = termcodes[i].code[0];
5362 	    termleader[len] = NUL;
5363 	}
5364 
5365     need_gather = FALSE;
5366 }
5367 
5368 /*
5369  * Show all termcodes (for ":set termcap")
5370  * This code looks a lot like showoptions(), but is different.
5371  */
5372     void
5373 show_termcodes()
5374 {
5375     int		col;
5376     int		*items;
5377     int		item_count;
5378     int		run;
5379     int		row, rows;
5380     int		cols;
5381     int		i;
5382     int		len;
5383 
5384 #define INC3 27	    /* try to make three columns */
5385 #define INC2 40	    /* try to make two columns */
5386 #define GAP 2	    /* spaces between columns */
5387 
5388     if (tc_len == 0)	    /* no terminal codes (must be GUI) */
5389 	return;
5390     items = (int *)alloc((unsigned)(sizeof(int) * tc_len));
5391     if (items == NULL)
5392 	return;
5393 
5394     /* Highlight title */
5395     MSG_PUTS_TITLE(_("\n--- Terminal keys ---"));
5396 
5397     /*
5398      * do the loop two times:
5399      * 1. display the short items (non-strings and short strings)
5400      * 2. display the medium items (medium length strings)
5401      * 3. display the long items (remaining strings)
5402      */
5403     for (run = 1; run <= 3 && !got_int; ++run)
5404     {
5405 	/*
5406 	 * collect the items in items[]
5407 	 */
5408 	item_count = 0;
5409 	for (i = 0; i < tc_len; i++)
5410 	{
5411 	    len = show_one_termcode(termcodes[i].name,
5412 						    termcodes[i].code, FALSE);
5413 	    if (len <= INC3 - GAP ? run == 1
5414 			: len <= INC2 - GAP ? run == 2
5415 			: run == 3)
5416 		items[item_count++] = i;
5417 	}
5418 
5419 	/*
5420 	 * display the items
5421 	 */
5422 	if (run <= 2)
5423 	{
5424 	    cols = (Columns + GAP) / (run == 1 ? INC3 : INC2);
5425 	    if (cols == 0)
5426 		cols = 1;
5427 	    rows = (item_count + cols - 1) / cols;
5428 	}
5429 	else	/* run == 3 */
5430 	    rows = item_count;
5431 	for (row = 0; row < rows && !got_int; ++row)
5432 	{
5433 	    msg_putchar('\n');			/* go to next line */
5434 	    if (got_int)			/* 'q' typed in more */
5435 		break;
5436 	    col = 0;
5437 	    for (i = row; i < item_count; i += rows)
5438 	    {
5439 		msg_col = col;			/* make columns */
5440 		show_one_termcode(termcodes[items[i]].name,
5441 					      termcodes[items[i]].code, TRUE);
5442 		if (run == 2)
5443 		    col += INC2;
5444 		else
5445 		    col += INC3;
5446 	    }
5447 	    out_flush();
5448 	    ui_breakcheck();
5449 	}
5450     }
5451     vim_free(items);
5452 }
5453 
5454 /*
5455  * Show one termcode entry.
5456  * Output goes into IObuff[]
5457  */
5458     int
5459 show_one_termcode(name, code, printit)
5460     char_u  *name;
5461     char_u  *code;
5462     int	    printit;
5463 {
5464     char_u	*p;
5465     int		len;
5466 
5467     if (name[0] > '~')
5468     {
5469 	IObuff[0] = ' ';
5470 	IObuff[1] = ' ';
5471 	IObuff[2] = ' ';
5472 	IObuff[3] = ' ';
5473     }
5474     else
5475     {
5476 	IObuff[0] = 't';
5477 	IObuff[1] = '_';
5478 	IObuff[2] = name[0];
5479 	IObuff[3] = name[1];
5480     }
5481     IObuff[4] = ' ';
5482 
5483     p = get_special_key_name(TERMCAP2KEY(name[0], name[1]), 0);
5484     if (p[1] != 't')
5485 	STRCPY(IObuff + 5, p);
5486     else
5487 	IObuff[5] = NUL;
5488     len = (int)STRLEN(IObuff);
5489     do
5490 	IObuff[len++] = ' ';
5491     while (len < 17);
5492     IObuff[len] = NUL;
5493     if (code == NULL)
5494 	len += 4;
5495     else
5496 	len += vim_strsize(code);
5497 
5498     if (printit)
5499     {
5500 	msg_puts(IObuff);
5501 	if (code == NULL)
5502 	    msg_puts((char_u *)"NULL");
5503 	else
5504 	    msg_outtrans(code);
5505     }
5506     return len;
5507 }
5508 
5509 #if defined(FEAT_TERMRESPONSE) || defined(PROTO)
5510 /*
5511  * For Xterm >= 140 compiled with OPT_TCAP_QUERY: Obtain the actually used
5512  * termcap codes from the terminal itself.
5513  * We get them one by one to avoid a very long response string.
5514  */
5515 static int xt_index_in = 0;
5516 static int xt_index_out = 0;
5517 
5518     static void
5519 req_codes_from_term()
5520 {
5521     xt_index_out = 0;
5522     xt_index_in = 0;
5523     req_more_codes_from_term();
5524 }
5525 
5526     static void
5527 req_more_codes_from_term()
5528 {
5529     char	buf[11];
5530     int		old_idx = xt_index_out;
5531 
5532     /* Don't do anything when going to exit. */
5533     if (exiting)
5534 	return;
5535 
5536     /* Send up to 10 more requests out than we received.  Avoid sending too
5537      * many, there can be a buffer overflow somewhere. */
5538     while (xt_index_out < xt_index_in + 10 && key_names[xt_index_out] != NULL)
5539     {
5540 	sprintf(buf, "\033P+q%02x%02x\033\\",
5541 		      key_names[xt_index_out][0], key_names[xt_index_out][1]);
5542 	out_str_nf((char_u *)buf);
5543 	++xt_index_out;
5544     }
5545 
5546     /* Send the codes out right away. */
5547     if (xt_index_out != old_idx)
5548 	out_flush();
5549 }
5550 
5551 /*
5552  * Decode key code response from xterm: '<Esc>P1+r<name>=<string><Esc>\'.
5553  * A "0" instead of the "1" indicates a code that isn't supported.
5554  * Both <name> and <string> are encoded in hex.
5555  * "code" points to the "0" or "1".
5556  */
5557     static void
5558 got_code_from_term(code, len)
5559     char_u	*code;
5560     int		len;
5561 {
5562 #define XT_LEN 100
5563     char_u	name[3];
5564     char_u	str[XT_LEN];
5565     int		i;
5566     int		j = 0;
5567     int		c;
5568 
5569     /* A '1' means the code is supported, a '0' means it isn't.
5570      * When half the length is > XT_LEN we can't use it.
5571      * Our names are currently all 2 characters. */
5572     if (code[0] == '1' && code[7] == '=' && len / 2 < XT_LEN)
5573     {
5574 	/* Get the name from the response and find it in the table. */
5575 	name[0] = hexhex2nr(code + 3);
5576 	name[1] = hexhex2nr(code + 5);
5577 	name[2] = NUL;
5578 	for (i = 0; key_names[i] != NULL; ++i)
5579 	{
5580 	    if (STRCMP(key_names[i], name) == 0)
5581 	    {
5582 		xt_index_in = i;
5583 		break;
5584 	    }
5585 	}
5586 	if (key_names[i] != NULL)
5587 	{
5588 	    for (i = 8; (c = hexhex2nr(code + i)) >= 0; i += 2)
5589 		str[j++] = c;
5590 	    str[j] = NUL;
5591 	    if (name[0] == 'C' && name[1] == 'o')
5592 	    {
5593 		/* Color count is not a key code. */
5594 		i = atoi((char *)str);
5595 		if (i != t_colors)
5596 		{
5597 		    /* Nr of colors changed, initialize highlighting and
5598 		     * redraw everything.  This causes a redraw, which usually
5599 		     * clears the message.  Try keeping the message if it
5600 		     * might work. */
5601 		    set_keep_msg_from_hist();
5602 		    set_color_count(i);
5603 		    init_highlight(TRUE, FALSE);
5604 		    redraw_later(CLEAR);
5605 		}
5606 	    }
5607 	    else
5608 	    {
5609 		/* First delete any existing entry with the same code. */
5610 		i = find_term_bykeys(str);
5611 		if (i >= 0)
5612 		    del_termcode_idx(i);
5613 		add_termcode(name, str, ATC_FROM_TERM);
5614 	    }
5615 	}
5616     }
5617 
5618     /* May request more codes now that we received one. */
5619     ++xt_index_in;
5620     req_more_codes_from_term();
5621 }
5622 
5623 /*
5624  * Check if there are any unanswered requests and deal with them.
5625  * This is called before starting an external program or getting direct
5626  * keyboard input.  We don't want responses to be send to that program or
5627  * handled as typed text.
5628  */
5629     static void
5630 check_for_codes_from_term()
5631 {
5632     int		c;
5633 
5634     /* If no codes requested or all are answered, no need to wait. */
5635     if (xt_index_out == 0 || xt_index_out == xt_index_in)
5636 	return;
5637 
5638     /* Vgetc() will check for and handle any response.
5639      * Keep calling vpeekc() until we don't get any responses. */
5640     ++no_mapping;
5641     ++allow_keys;
5642     for (;;)
5643     {
5644 	c = vpeekc();
5645 	if (c == NUL)	    /* nothing available */
5646 	    break;
5647 
5648 	/* If a response is recognized it's replaced with K_IGNORE, must read
5649 	 * it from the input stream.  If there is no K_IGNORE we can't do
5650 	 * anything, break here (there might be some responses further on, but
5651 	 * we don't want to throw away any typed chars). */
5652 	if (c != K_SPECIAL && c != K_IGNORE)
5653 	    break;
5654 	c = vgetc();
5655 	if (c != K_IGNORE)
5656 	{
5657 	    vungetc(c);
5658 	    break;
5659 	}
5660     }
5661     --no_mapping;
5662     --allow_keys;
5663 }
5664 #endif
5665 
5666 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
5667 /*
5668  * Translate an internal mapping/abbreviation representation into the
5669  * corresponding external one recognized by :map/:abbrev commands;
5670  * respects the current B/k/< settings of 'cpoption'.
5671  *
5672  * This function is called when expanding mappings/abbreviations on the
5673  * command-line, and for building the "Ambiguous mapping..." error message.
5674  *
5675  * It uses a growarray to build the translation string since the
5676  * latter can be wider than the original description. The caller has to
5677  * free the string afterwards.
5678  *
5679  * Returns NULL when there is a problem.
5680  */
5681     char_u *
5682 translate_mapping(str, expmap)
5683     char_u	*str;
5684     int		expmap;  /* TRUE when expanding mappings on command-line */
5685 {
5686     garray_T	ga;
5687     int		c;
5688     int		modifiers;
5689     int		cpo_bslash;
5690     int		cpo_special;
5691     int		cpo_keycode;
5692 
5693     ga_init(&ga);
5694     ga.ga_itemsize = 1;
5695     ga.ga_growsize = 40;
5696 
5697     cpo_bslash = (vim_strchr(p_cpo, CPO_BSLASH) != NULL);
5698     cpo_special = (vim_strchr(p_cpo, CPO_SPECI) != NULL);
5699     cpo_keycode = (vim_strchr(p_cpo, CPO_KEYCODE) == NULL);
5700 
5701     for (; *str; ++str)
5702     {
5703 	c = *str;
5704 	if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL)
5705 	{
5706 	    modifiers = 0;
5707 	    if (str[1] == KS_MODIFIER)
5708 	    {
5709 		str++;
5710 		modifiers = *++str;
5711 		c = *++str;
5712 	    }
5713 	    if (cpo_special && cpo_keycode && c == K_SPECIAL && !modifiers)
5714 	    {
5715 		int	i;
5716 
5717 		/* try to find special key in termcodes */
5718 		for (i = 0; i < tc_len; ++i)
5719 		    if (termcodes[i].name[0] == str[1]
5720 					    && termcodes[i].name[1] == str[2])
5721 			break;
5722 		if (i < tc_len)
5723 		{
5724 		    ga_concat(&ga, termcodes[i].code);
5725 		    str += 2;
5726 		    continue; /* for (str) */
5727 		}
5728 	    }
5729 	    if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL)
5730 	    {
5731 		if (expmap && cpo_special)
5732 		{
5733 		    ga_clear(&ga);
5734 		    return NULL;
5735 		}
5736 		c = TO_SPECIAL(str[1], str[2]);
5737 		if (c == K_ZERO)	/* display <Nul> as ^@ */
5738 		    c = NUL;
5739 		str += 2;
5740 	    }
5741 	    if (IS_SPECIAL(c) || modifiers)	/* special key */
5742 	    {
5743 		if (expmap && cpo_special)
5744 		{
5745 		    ga_clear(&ga);
5746 		    return NULL;
5747 		}
5748 		ga_concat(&ga, get_special_key_name(c, modifiers));
5749 		continue; /* for (str) */
5750 	    }
5751 	}
5752 	if (c == ' ' || c == '\t' || c == Ctrl_J || c == Ctrl_V
5753 	    || (c == '<' && !cpo_special) || (c == '\\' && !cpo_bslash))
5754 	    ga_append(&ga, cpo_bslash ? Ctrl_V : '\\');
5755 	if (c)
5756 	    ga_append(&ga, c);
5757     }
5758     ga_append(&ga, NUL);
5759     return (char_u *)(ga.ga_data);
5760 }
5761 #endif
5762 
5763 #if (defined(WIN3264) && !defined(FEAT_GUI)) || defined(PROTO)
5764 static char ksme_str[20];
5765 static char ksmr_str[20];
5766 static char ksmd_str[20];
5767 
5768 /*
5769  * For Win32 console: update termcap codes for existing console attributes.
5770  */
5771     void
5772 update_tcap(attr)
5773     int attr;
5774 {
5775     struct builtin_term *p;
5776 
5777     p = find_builtin_term(DEFAULT_TERM);
5778     sprintf(ksme_str, IF_EB("\033|%dm", ESC_STR "|%dm"), attr);
5779     sprintf(ksmd_str, IF_EB("\033|%dm", ESC_STR "|%dm"),
5780 				     attr | 0x08);  /* FOREGROUND_INTENSITY */
5781     sprintf(ksmr_str, IF_EB("\033|%dm", ESC_STR "|%dm"),
5782 				 ((attr & 0x0F) << 4) | ((attr & 0xF0) >> 4));
5783 
5784     while (p->bt_string != NULL)
5785     {
5786       if (p->bt_entry == (int)KS_ME)
5787 	  p->bt_string = &ksme_str[0];
5788       else if (p->bt_entry == (int)KS_MR)
5789 	  p->bt_string = &ksmr_str[0];
5790       else if (p->bt_entry == (int)KS_MD)
5791 	  p->bt_string = &ksmd_str[0];
5792       ++p;
5793     }
5794 }
5795 #endif
5796