xref: /vim-8.2.3635/src/term.c (revision 3cd43ccc)
1 /* vi:set ts=8 sts=4 sw=4 noet:
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 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(char_u *name);
78 static void parse_builtin_tcap(char_u *s);
79 static void term_color(char_u *s, int n);
80 static void gather_termleader(void);
81 #ifdef FEAT_TERMRESPONSE
82 static void req_codes_from_term(void);
83 static void req_more_codes_from_term(void);
84 static void got_code_from_term(char_u *code, int len);
85 static void check_for_codes_from_term(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(char_u *, char_u *, int);
91 #endif
92 static void del_termcode_idx(int idx);
93 static int term_is_builtin(char_u *name);
94 static int term_7to8bit(char_u *p);
95 #ifdef FEAT_TERMRESPONSE
96 static void switch_to_8bit(void);
97 #endif
98 
99 #ifdef HAVE_TGETENT
100 static char_u *tgetent_error(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(char *, char **);
107 
108 # ifdef FEAT_TERMRESPONSE
109     /* Change this to "if 1" to debug what happens with termresponse. */
110 #  if 0
111 #   define DEBUG_TERMRESPONSE
112     static void log_tr(char *msg);
113 #   define LOG_TR(msg) log_tr(msg)
114 #  else
115 #   define LOG_TR(msg)
116 #  endif
117 /* Request Terminal Version status: */
118 #  define CRV_GET	1	/* send T_CRV when switched to RAW mode */
119 #  define CRV_SENT	2	/* did send T_CRV, waiting for answer */
120 #  define CRV_GOT	3	/* received T_CRV response */
121 static int crv_status = CRV_GET;
122 /* Request Cursor position report: */
123 #  define U7_GET	1	/* send T_U7 when switched to RAW mode */
124 #  define U7_SENT	2	/* did send T_U7, waiting for answer */
125 #  define U7_GOT	3	/* received T_U7 response */
126 static int u7_status = U7_GET;
127 /* Request background color report: */
128 #  define RBG_GET	1	/* send T_RBG when switched to RAW mode */
129 #  define RBG_SENT	2	/* did send T_RBG, waiting for answer */
130 #  define RBG_GOT	3	/* received T_RBG response */
131 static int rbg_status = RBG_GET;
132 # endif
133 
134 /*
135  * Don't declare these variables if termcap.h contains them.
136  * Autoconf checks if these variables should be declared extern (not all
137  * systems have them).
138  * Some versions define ospeed to be speed_t, but that is incompatible with
139  * BSD, where ospeed is short and speed_t is long.
140  */
141 # ifndef HAVE_OSPEED
142 #  ifdef OSPEED_EXTERN
143 extern short ospeed;
144 #   else
145 short ospeed;
146 #   endif
147 # endif
148 # ifndef HAVE_UP_BC_PC
149 #  ifdef UP_BC_PC_EXTERN
150 extern char *UP, *BC, PC;
151 #  else
152 char *UP, *BC, PC;
153 #  endif
154 # endif
155 
156 # define TGETSTR(s, p)	vim_tgetstr((s), (p))
157 # define TGETENT(b, t)	tgetent((char *)(b), (char *)(t))
158 static char_u *vim_tgetstr(char *s, char_u **pp);
159 #endif /* HAVE_TGETENT */
160 
161 static int  detected_8bit = FALSE;	/* detected 8-bit terminal */
162 
163 static struct builtin_term builtin_termcaps[] =
164 {
165 
166 #if defined(FEAT_GUI)
167 /*
168  * GUI pseudo term-cap.
169  */
170     {(int)KS_NAME,	"gui"},
171     {(int)KS_CE,	IF_EB("\033|$", ESC_STR "|$")},
172     {(int)KS_AL,	IF_EB("\033|i", ESC_STR "|i")},
173 # ifdef TERMINFO
174     {(int)KS_CAL,	IF_EB("\033|%p1%dI", ESC_STR "|%p1%dI")},
175 # else
176     {(int)KS_CAL,	IF_EB("\033|%dI", ESC_STR "|%dI")},
177 # endif
178     {(int)KS_DL,	IF_EB("\033|d", ESC_STR "|d")},
179 # ifdef TERMINFO
180     {(int)KS_CDL,	IF_EB("\033|%p1%dD", ESC_STR "|%p1%dD")},
181     {(int)KS_CS,	IF_EB("\033|%p1%d;%p2%dR", ESC_STR "|%p1%d;%p2%dR")},
182 #  ifdef FEAT_WINDOWS
183     {(int)KS_CSV,	IF_EB("\033|%p1%d;%p2%dV", ESC_STR "|%p1%d;%p2%dV")},
184 #  endif
185 # else
186     {(int)KS_CDL,	IF_EB("\033|%dD", ESC_STR "|%dD")},
187     {(int)KS_CS,	IF_EB("\033|%d;%dR", ESC_STR "|%d;%dR")},
188 #  ifdef FEAT_WINDOWS
189     {(int)KS_CSV,	IF_EB("\033|%d;%dV", ESC_STR "|%d;%dV")},
190 #  endif
191 # endif
192     {(int)KS_CL,	IF_EB("\033|C", ESC_STR "|C")},
193 			/* attributes switched on with 'h', off with * 'H' */
194     {(int)KS_ME,	IF_EB("\033|31H", ESC_STR "|31H")}, /* HL_ALL */
195     {(int)KS_MR,	IF_EB("\033|1h", ESC_STR "|1h")},   /* HL_INVERSE */
196     {(int)KS_MD,	IF_EB("\033|2h", ESC_STR "|2h")},   /* HL_BOLD */
197     {(int)KS_SE,	IF_EB("\033|16H", ESC_STR "|16H")}, /* HL_STANDOUT */
198     {(int)KS_SO,	IF_EB("\033|16h", ESC_STR "|16h")}, /* HL_STANDOUT */
199     {(int)KS_UE,	IF_EB("\033|8H", ESC_STR "|8H")},   /* HL_UNDERLINE */
200     {(int)KS_US,	IF_EB("\033|8h", ESC_STR "|8h")},   /* HL_UNDERLINE */
201     {(int)KS_UCE,	IF_EB("\033|8C", ESC_STR "|8C")},   /* HL_UNDERCURL */
202     {(int)KS_UCS,	IF_EB("\033|8c", ESC_STR "|8c")},   /* HL_UNDERCURL */
203     {(int)KS_CZR,	IF_EB("\033|4H", ESC_STR "|4H")},   /* HL_ITALIC */
204     {(int)KS_CZH,	IF_EB("\033|4h", ESC_STR "|4h")},   /* HL_ITALIC */
205     {(int)KS_VB,	IF_EB("\033|f", ESC_STR "|f")},
206     {(int)KS_MS,	"y"},
207     {(int)KS_UT,	"y"},
208     {(int)KS_XN,	"y"},
209     {(int)KS_LE,	"\b"},		/* cursor-left = BS */
210     {(int)KS_ND,	"\014"},	/* cursor-right = CTRL-L */
211 # ifdef TERMINFO
212     {(int)KS_CM,	IF_EB("\033|%p1%d;%p2%dM", ESC_STR "|%p1%d;%p2%dM")},
213 # else
214     {(int)KS_CM,	IF_EB("\033|%d;%dM", ESC_STR "|%d;%dM")},
215 # endif
216 	/* there are no key sequences here, the GUI sequences are recognized
217 	 * in check_termcode() */
218 #endif
219 
220 #ifndef NO_BUILTIN_TCAPS
221 
222 # if defined(AMIGA) || defined(ALL_BUILTIN_TCAPS)
223 /*
224  * Amiga console window, default for Amiga
225  */
226     {(int)KS_NAME,	"amiga"},
227     {(int)KS_CE,	"\033[K"},
228     {(int)KS_CD,	"\033[J"},
229     {(int)KS_AL,	"\033[L"},
230 #  ifdef TERMINFO
231     {(int)KS_CAL,	"\033[%p1%dL"},
232 #  else
233     {(int)KS_CAL,	"\033[%dL"},
234 #  endif
235     {(int)KS_DL,	"\033[M"},
236 #  ifdef TERMINFO
237     {(int)KS_CDL,	"\033[%p1%dM"},
238 #  else
239     {(int)KS_CDL,	"\033[%dM"},
240 #  endif
241     {(int)KS_CL,	"\014"},
242     {(int)KS_VI,	"\033[0 p"},
243     {(int)KS_VE,	"\033[1 p"},
244     {(int)KS_ME,	"\033[0m"},
245     {(int)KS_MR,	"\033[7m"},
246     {(int)KS_MD,	"\033[1m"},
247     {(int)KS_SE,	"\033[0m"},
248     {(int)KS_SO,	"\033[33m"},
249     {(int)KS_US,	"\033[4m"},
250     {(int)KS_UE,	"\033[0m"},
251     {(int)KS_CZH,	"\033[3m"},
252     {(int)KS_CZR,	"\033[0m"},
253 #if defined(__MORPHOS__) || defined(__AROS__)
254     {(int)KS_CCO,	"8"},		/* allow 8 colors */
255 #  ifdef TERMINFO
256     {(int)KS_CAB,	"\033[4%p1%dm"},/* set background color */
257     {(int)KS_CAF,	"\033[3%p1%dm"},/* set foreground color */
258 #  else
259     {(int)KS_CAB,	"\033[4%dm"},	/* set background color */
260     {(int)KS_CAF,	"\033[3%dm"},	/* set foreground color */
261 #  endif
262     {(int)KS_OP,	"\033[m"},	/* reset colors */
263 #endif
264     {(int)KS_MS,	"y"},
265     {(int)KS_UT,	"y"},		/* guessed */
266     {(int)KS_LE,	"\b"},
267 #  ifdef TERMINFO
268     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
269 #  else
270     {(int)KS_CM,	"\033[%i%d;%dH"},
271 #  endif
272 #if defined(__MORPHOS__)
273     {(int)KS_SR,	"\033M"},
274 #endif
275 #  ifdef TERMINFO
276     {(int)KS_CRI,	"\033[%p1%dC"},
277 #  else
278     {(int)KS_CRI,	"\033[%dC"},
279 #  endif
280     {K_UP,		"\233A"},
281     {K_DOWN,		"\233B"},
282     {K_LEFT,		"\233D"},
283     {K_RIGHT,		"\233C"},
284     {K_S_UP,		"\233T"},
285     {K_S_DOWN,		"\233S"},
286     {K_S_LEFT,		"\233 A"},
287     {K_S_RIGHT,		"\233 @"},
288     {K_S_TAB,		"\233Z"},
289     {K_F1,		"\233\060~"},/* some compilers don't dig "\2330" */
290     {K_F2,		"\233\061~"},
291     {K_F3,		"\233\062~"},
292     {K_F4,		"\233\063~"},
293     {K_F5,		"\233\064~"},
294     {K_F6,		"\233\065~"},
295     {K_F7,		"\233\066~"},
296     {K_F8,		"\233\067~"},
297     {K_F9,		"\233\070~"},
298     {K_F10,		"\233\071~"},
299     {K_S_F1,		"\233\061\060~"},
300     {K_S_F2,		"\233\061\061~"},
301     {K_S_F3,		"\233\061\062~"},
302     {K_S_F4,		"\233\061\063~"},
303     {K_S_F5,		"\233\061\064~"},
304     {K_S_F6,		"\233\061\065~"},
305     {K_S_F7,		"\233\061\066~"},
306     {K_S_F8,		"\233\061\067~"},
307     {K_S_F9,		"\233\061\070~"},
308     {K_S_F10,		"\233\061\071~"},
309     {K_HELP,		"\233?~"},
310     {K_INS,		"\233\064\060~"},	/* 101 key keyboard */
311     {K_PAGEUP,		"\233\064\061~"},	/* 101 key keyboard */
312     {K_PAGEDOWN,	"\233\064\062~"},	/* 101 key keyboard */
313     {K_HOME,		"\233\064\064~"},	/* 101 key keyboard */
314     {K_END,		"\233\064\065~"},	/* 101 key keyboard */
315 
316     {BT_EXTRA_KEYS,	""},
317     {TERMCAP2KEY('#', '2'), "\233\065\064~"},	/* shifted home key */
318     {TERMCAP2KEY('#', '3'), "\233\065\060~"},	/* shifted insert key */
319     {TERMCAP2KEY('*', '7'), "\233\065\065~"},	/* shifted end key */
320 # endif
321 
322 # if defined(__BEOS__) || defined(ALL_BUILTIN_TCAPS)
323 /*
324  * almost standard ANSI terminal, default for bebox
325  */
326     {(int)KS_NAME,	"beos-ansi"},
327     {(int)KS_CE,	"\033[K"},
328     {(int)KS_CD,	"\033[J"},
329     {(int)KS_AL,	"\033[L"},
330 #  ifdef TERMINFO
331     {(int)KS_CAL,	"\033[%p1%dL"},
332 #  else
333     {(int)KS_CAL,	"\033[%dL"},
334 #  endif
335     {(int)KS_DL,	"\033[M"},
336 #  ifdef TERMINFO
337     {(int)KS_CDL,	"\033[%p1%dM"},
338 #  else
339     {(int)KS_CDL,	"\033[%dM"},
340 #  endif
341 #ifdef BEOS_PR_OR_BETTER
342 #  ifdef TERMINFO
343     {(int)KS_CS,	"\033[%i%p1%d;%p2%dr"},
344 #  else
345     {(int)KS_CS,	"\033[%i%d;%dr"},	/* scroll region */
346 #  endif
347 #endif
348     {(int)KS_CL,	"\033[H\033[2J"},
349 #ifdef notyet
350     {(int)KS_VI,	"[VI]"}, /* cursor invisible, VT320: CSI ? 25 l */
351     {(int)KS_VE,	"[VE]"}, /* cursor visible, VT320: CSI ? 25 h */
352 #endif
353     {(int)KS_ME,	"\033[m"},	/* normal mode */
354     {(int)KS_MR,	"\033[7m"},	/* reverse */
355     {(int)KS_MD,	"\033[1m"},	/* bold */
356     {(int)KS_SO,	"\033[31m"},	/* standout mode: red */
357     {(int)KS_SE,	"\033[m"},	/* standout end */
358     {(int)KS_CZH,	"\033[35m"},	/* italic: purple */
359     {(int)KS_CZR,	"\033[m"},	/* italic end */
360     {(int)KS_US,	"\033[4m"},	/* underscore mode */
361     {(int)KS_UE,	"\033[m"},	/* underscore end */
362     {(int)KS_CCO,	"8"},		/* allow 8 colors */
363 #  ifdef TERMINFO
364     {(int)KS_CAB,	"\033[4%p1%dm"},/* set background color */
365     {(int)KS_CAF,	"\033[3%p1%dm"},/* set foreground color */
366 #  else
367     {(int)KS_CAB,	"\033[4%dm"},	/* set background color */
368     {(int)KS_CAF,	"\033[3%dm"},	/* set foreground color */
369 #  endif
370     {(int)KS_OP,	"\033[m"},	/* reset colors */
371     {(int)KS_MS,	"y"},		/* safe to move cur in reverse mode */
372     {(int)KS_UT,	"y"},		/* guessed */
373     {(int)KS_LE,	"\b"},
374 #  ifdef TERMINFO
375     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
376 #  else
377     {(int)KS_CM,	"\033[%i%d;%dH"},
378 #  endif
379     {(int)KS_SR,	"\033M"},
380 #  ifdef TERMINFO
381     {(int)KS_CRI,	"\033[%p1%dC"},
382 #  else
383     {(int)KS_CRI,	"\033[%dC"},
384 #  endif
385 #  if defined(BEOS_DR8)
386     {(int)KS_DB,	""},		/* hack! see screen.c */
387 #  endif
388 
389     {K_UP,		"\033[A"},
390     {K_DOWN,		"\033[B"},
391     {K_LEFT,		"\033[D"},
392     {K_RIGHT,		"\033[C"},
393 # endif
394 
395 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS) || defined(SOME_BUILTIN_TCAPS)
396 /*
397  * standard ANSI terminal, default for unix
398  */
399     {(int)KS_NAME,	"ansi"},
400     {(int)KS_CE,	IF_EB("\033[K", ESC_STR "[K")},
401     {(int)KS_AL,	IF_EB("\033[L", ESC_STR "[L")},
402 #  ifdef TERMINFO
403     {(int)KS_CAL,	IF_EB("\033[%p1%dL", ESC_STR "[%p1%dL")},
404 #  else
405     {(int)KS_CAL,	IF_EB("\033[%dL", ESC_STR "[%dL")},
406 #  endif
407     {(int)KS_DL,	IF_EB("\033[M", ESC_STR "[M")},
408 #  ifdef TERMINFO
409     {(int)KS_CDL,	IF_EB("\033[%p1%dM", ESC_STR "[%p1%dM")},
410 #  else
411     {(int)KS_CDL,	IF_EB("\033[%dM", ESC_STR "[%dM")},
412 #  endif
413     {(int)KS_CL,	IF_EB("\033[H\033[2J", ESC_STR "[H" ESC_STR_nc "[2J")},
414     {(int)KS_ME,	IF_EB("\033[0m", ESC_STR "[0m")},
415     {(int)KS_MR,	IF_EB("\033[7m", ESC_STR "[7m")},
416     {(int)KS_MS,	"y"},
417     {(int)KS_UT,	"y"},		/* guessed */
418     {(int)KS_LE,	"\b"},
419 #  ifdef TERMINFO
420     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH", ESC_STR "[%i%p1%d;%p2%dH")},
421 #  else
422     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
423 #  endif
424 #  ifdef TERMINFO
425     {(int)KS_CRI,	IF_EB("\033[%p1%dC", ESC_STR "[%p1%dC")},
426 #  else
427     {(int)KS_CRI,	IF_EB("\033[%dC", ESC_STR "[%dC")},
428 #  endif
429 # endif
430 
431 # if defined(ALL_BUILTIN_TCAPS)
432 /*
433  * These codes are valid when nansi.sys or equivalent has been installed.
434  * Function keys on a PC are preceded with a NUL. These are converted into
435  * K_NUL '\316' in mch_inchar(), because we cannot handle NULs in key codes.
436  * CTRL-arrow is used instead of SHIFT-arrow.
437  */
438     {(int)KS_NAME,	"pcansi"},
439     {(int)KS_DL,	"\033[M"},
440     {(int)KS_AL,	"\033[L"},
441     {(int)KS_CE,	"\033[K"},
442     {(int)KS_CL,	"\033[2J"},
443     {(int)KS_ME,	"\033[0m"},
444     {(int)KS_MR,	"\033[5m"},	/* reverse: black on lightgrey */
445     {(int)KS_MD,	"\033[1m"},	/* bold: white text */
446     {(int)KS_SE,	"\033[0m"},	/* standout end */
447     {(int)KS_SO,	"\033[31m"},	/* standout: white on blue */
448     {(int)KS_CZH,	"\033[34;43m"},	/* italic mode: blue text on yellow */
449     {(int)KS_CZR,	"\033[0m"},	/* italic mode end */
450     {(int)KS_US,	"\033[36;41m"},	/* underscore mode: cyan text on red */
451     {(int)KS_UE,	"\033[0m"},	/* underscore mode end */
452     {(int)KS_CCO,	"8"},		/* allow 8 colors */
453 #  ifdef TERMINFO
454     {(int)KS_CAB,	"\033[4%p1%dm"},/* set background color */
455     {(int)KS_CAF,	"\033[3%p1%dm"},/* set foreground color */
456 #  else
457     {(int)KS_CAB,	"\033[4%dm"},	/* set background color */
458     {(int)KS_CAF,	"\033[3%dm"},	/* set foreground color */
459 #  endif
460     {(int)KS_OP,	"\033[0m"},	/* reset colors */
461     {(int)KS_MS,	"y"},
462     {(int)KS_UT,	"y"},		/* guessed */
463     {(int)KS_LE,	"\b"},
464 #  ifdef TERMINFO
465     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
466 #  else
467     {(int)KS_CM,	"\033[%i%d;%dH"},
468 #  endif
469 #  ifdef TERMINFO
470     {(int)KS_CRI,	"\033[%p1%dC"},
471 #  else
472     {(int)KS_CRI,	"\033[%dC"},
473 #  endif
474     {K_UP,		"\316H"},
475     {K_DOWN,		"\316P"},
476     {K_LEFT,		"\316K"},
477     {K_RIGHT,		"\316M"},
478     {K_S_LEFT,		"\316s"},
479     {K_S_RIGHT,		"\316t"},
480     {K_F1,		"\316;"},
481     {K_F2,		"\316<"},
482     {K_F3,		"\316="},
483     {K_F4,		"\316>"},
484     {K_F5,		"\316?"},
485     {K_F6,		"\316@"},
486     {K_F7,		"\316A"},
487     {K_F8,		"\316B"},
488     {K_F9,		"\316C"},
489     {K_F10,		"\316D"},
490     {K_F11,		"\316\205"},	/* guessed */
491     {K_F12,		"\316\206"},	/* guessed */
492     {K_S_F1,		"\316T"},
493     {K_S_F2,		"\316U"},
494     {K_S_F3,		"\316V"},
495     {K_S_F4,		"\316W"},
496     {K_S_F5,		"\316X"},
497     {K_S_F6,		"\316Y"},
498     {K_S_F7,		"\316Z"},
499     {K_S_F8,		"\316["},
500     {K_S_F9,		"\316\\"},
501     {K_S_F10,		"\316]"},
502     {K_S_F11,		"\316\207"},	/* guessed */
503     {K_S_F12,		"\316\210"},	/* guessed */
504     {K_INS,		"\316R"},
505     {K_DEL,		"\316S"},
506     {K_HOME,		"\316G"},
507     {K_END,		"\316O"},
508     {K_PAGEDOWN,	"\316Q"},
509     {K_PAGEUP,		"\316I"},
510 # endif
511 
512 # if defined(WIN3264) || defined(ALL_BUILTIN_TCAPS)
513 /*
514  * These codes are valid for the Win32 Console .  The entries that start with
515  * ESC | are translated into console calls in os_win32.c.  The function keys
516  * are also translated in os_win32.c.
517  */
518     {(int)KS_NAME,	"win32"},
519     {(int)KS_CE,	"\033|K"},	/* clear to end of line */
520     {(int)KS_AL,	"\033|L"},	/* add new blank line */
521 #  ifdef TERMINFO
522     {(int)KS_CAL,	"\033|%p1%dL"},	/* add number of new blank lines */
523 #  else
524     {(int)KS_CAL,	"\033|%dL"},	/* add number of new blank lines */
525 #  endif
526     {(int)KS_DL,	"\033|M"},	/* delete line */
527 #  ifdef TERMINFO
528     {(int)KS_CDL,	"\033|%p1%dM"},	/* delete number of lines */
529 #  else
530     {(int)KS_CDL,	"\033|%dM"},	/* delete number of lines */
531 #  endif
532     {(int)KS_CL,	"\033|J"},	/* clear screen */
533     {(int)KS_CD,	"\033|j"},	/* clear to end of display */
534     {(int)KS_VI,	"\033|v"},	/* cursor invisible */
535     {(int)KS_VE,	"\033|V"},	/* cursor visible */
536 
537     {(int)KS_ME,	"\033|0m"},	/* normal */
538     {(int)KS_MR,	"\033|112m"},	/* reverse: black on lightgray */
539     {(int)KS_MD,	"\033|15m"},	/* bold: white on black */
540 #if 1
541     {(int)KS_SO,	"\033|31m"},	/* standout: white on blue */
542     {(int)KS_SE,	"\033|0m"},	/* standout end */
543 #else
544     {(int)KS_SO,	"\033|F"},	/* standout: high intensity */
545     {(int)KS_SE,	"\033|f"},	/* standout end */
546 #endif
547     {(int)KS_CZH,	"\033|225m"},	/* italic: blue text on yellow */
548     {(int)KS_CZR,	"\033|0m"},	/* italic end */
549     {(int)KS_US,	"\033|67m"},	/* underscore: cyan text on red */
550     {(int)KS_UE,	"\033|0m"},	/* underscore end */
551     {(int)KS_CCO,	"16"},		/* allow 16 colors */
552 #  ifdef TERMINFO
553     {(int)KS_CAB,	"\033|%p1%db"},	/* set background color */
554     {(int)KS_CAF,	"\033|%p1%df"},	/* set foreground color */
555 #  else
556     {(int)KS_CAB,	"\033|%db"},	/* set background color */
557     {(int)KS_CAF,	"\033|%df"},	/* set foreground color */
558 #  endif
559 
560     {(int)KS_MS,	"y"},		/* save to move cur in reverse mode */
561     {(int)KS_UT,	"y"},
562     {(int)KS_XN,	"y"},
563     {(int)KS_LE,	"\b"},
564 #  ifdef TERMINFO
565     {(int)KS_CM,	"\033|%i%p1%d;%p2%dH"},/* cursor motion */
566 #  else
567     {(int)KS_CM,	"\033|%i%d;%dH"},/* cursor motion */
568 #  endif
569     {(int)KS_VB,	"\033|B"},	/* visual bell */
570     {(int)KS_TI,	"\033|S"},	/* put terminal in termcap mode */
571     {(int)KS_TE,	"\033|E"},	/* out of termcap mode */
572 #  ifdef TERMINFO
573     {(int)KS_CS,	"\033|%i%p1%d;%p2%dr"},/* scroll region */
574 #  else
575     {(int)KS_CS,	"\033|%i%d;%dr"},/* scroll region */
576 #  endif
577 
578     {K_UP,		"\316H"},
579     {K_DOWN,		"\316P"},
580     {K_LEFT,		"\316K"},
581     {K_RIGHT,		"\316M"},
582     {K_S_UP,		"\316\304"},
583     {K_S_DOWN,		"\316\317"},
584     {K_S_LEFT,		"\316\311"},
585     {K_C_LEFT,		"\316s"},
586     {K_S_RIGHT,		"\316\313"},
587     {K_C_RIGHT,		"\316t"},
588     {K_S_TAB,		"\316\017"},
589     {K_F1,		"\316;"},
590     {K_F2,		"\316<"},
591     {K_F3,		"\316="},
592     {K_F4,		"\316>"},
593     {K_F5,		"\316?"},
594     {K_F6,		"\316@"},
595     {K_F7,		"\316A"},
596     {K_F8,		"\316B"},
597     {K_F9,		"\316C"},
598     {K_F10,		"\316D"},
599     {K_F11,		"\316\205"},
600     {K_F12,		"\316\206"},
601     {K_S_F1,		"\316T"},
602     {K_S_F2,		"\316U"},
603     {K_S_F3,		"\316V"},
604     {K_S_F4,		"\316W"},
605     {K_S_F5,		"\316X"},
606     {K_S_F6,		"\316Y"},
607     {K_S_F7,		"\316Z"},
608     {K_S_F8,		"\316["},
609     {K_S_F9,		"\316\\"},
610     {K_S_F10,		"\316]"},
611     {K_S_F11,		"\316\207"},
612     {K_S_F12,		"\316\210"},
613     {K_INS,		"\316R"},
614     {K_DEL,		"\316S"},
615     {K_HOME,		"\316G"},
616     {K_S_HOME,		"\316\302"},
617     {K_C_HOME,		"\316w"},
618     {K_END,		"\316O"},
619     {K_S_END,		"\316\315"},
620     {K_C_END,		"\316u"},
621     {K_PAGEDOWN,	"\316Q"},
622     {K_PAGEUP,		"\316I"},
623     {K_KPLUS,		"\316N"},
624     {K_KMINUS,		"\316J"},
625     {K_KMULTIPLY,	"\316\067"},
626     {K_K0,		"\316\332"},
627     {K_K1,		"\316\336"},
628     {K_K2,		"\316\342"},
629     {K_K3,		"\316\346"},
630     {K_K4,		"\316\352"},
631     {K_K5,		"\316\356"},
632     {K_K6,		"\316\362"},
633     {K_K7,		"\316\366"},
634     {K_K8,		"\316\372"},
635     {K_K9,		"\316\376"},
636 # endif
637 
638 # if defined(VMS) || defined(ALL_BUILTIN_TCAPS)
639 /*
640  * VT320 is working as an ANSI terminal compatible DEC terminal.
641  * (it covers VT1x0, VT2x0 and VT3x0 up to VT320 on VMS as well)
642  * Note: K_F1...K_F5 are for internal use, should not be defined.
643  * TODO:- rewrite ESC[ codes to CSI
644  *      - keyboard languages (CSI ? 26 n)
645  */
646     {(int)KS_NAME,	"vt320"},
647     {(int)KS_CE,	IF_EB("\033[K", ESC_STR "[K")},
648     {(int)KS_AL,	IF_EB("\033[L", ESC_STR "[L")},
649 #  ifdef TERMINFO
650     {(int)KS_CAL,	IF_EB("\033[%p1%dL", ESC_STR "[%p1%dL")},
651 #  else
652     {(int)KS_CAL,	IF_EB("\033[%dL", ESC_STR "[%dL")},
653 #  endif
654     {(int)KS_DL,	IF_EB("\033[M", ESC_STR "[M")},
655 #  ifdef TERMINFO
656     {(int)KS_CDL,	IF_EB("\033[%p1%dM", ESC_STR "[%p1%dM")},
657 #  else
658     {(int)KS_CDL,	IF_EB("\033[%dM", ESC_STR "[%dM")},
659 #  endif
660     {(int)KS_CL,	IF_EB("\033[H\033[2J", ESC_STR "[H" ESC_STR_nc "[2J")},
661     {(int)KS_CD,	IF_EB("\033[J", ESC_STR "[J")},
662     {(int)KS_CCO,	"8"},			/* allow 8 colors */
663     {(int)KS_ME,	IF_EB("\033[0m", ESC_STR "[0m")},
664     {(int)KS_MR,	IF_EB("\033[7m", ESC_STR "[7m")},
665     {(int)KS_MD,	IF_EB("\033[1m", ESC_STR "[1m")},  /* bold mode */
666     {(int)KS_SE,	IF_EB("\033[22m", ESC_STR "[22m")},/* normal mode */
667     {(int)KS_UE,	IF_EB("\033[24m", ESC_STR "[24m")},/* exit underscore mode */
668     {(int)KS_US,	IF_EB("\033[4m", ESC_STR "[4m")},  /* underscore mode */
669     {(int)KS_CZH,	IF_EB("\033[34;43m", ESC_STR "[34;43m")},  /* italic mode: blue text on yellow */
670     {(int)KS_CZR,	IF_EB("\033[0m", ESC_STR "[0m")},	    /* italic mode end */
671     {(int)KS_CAB,	IF_EB("\033[4%dm", ESC_STR "[4%dm")},	    /* set background color (ANSI) */
672     {(int)KS_CAF,	IF_EB("\033[3%dm", ESC_STR "[3%dm")},	    /* set foreground color (ANSI) */
673     {(int)KS_CSB,	IF_EB("\033[102;%dm", ESC_STR "[102;%dm")},	/* set screen background color */
674     {(int)KS_CSF,	IF_EB("\033[101;%dm", ESC_STR "[101;%dm")},	/* set screen foreground color */
675     {(int)KS_MS,	"y"},
676     {(int)KS_UT,	"y"},
677     {(int)KS_XN,	"y"},
678     {(int)KS_LE,	"\b"},
679 #  ifdef TERMINFO
680     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
681 						  ESC_STR "[%i%p1%d;%p2%dH")},
682 #  else
683     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
684 #  endif
685 #  ifdef TERMINFO
686     {(int)KS_CRI,	IF_EB("\033[%p1%dC", ESC_STR "[%p1%dC")},
687 #  else
688     {(int)KS_CRI,	IF_EB("\033[%dC", ESC_STR "[%dC")},
689 #  endif
690     {K_UP,		IF_EB("\033[A", ESC_STR "[A")},
691     {K_DOWN,		IF_EB("\033[B", ESC_STR "[B")},
692     {K_RIGHT,		IF_EB("\033[C", ESC_STR "[C")},
693     {K_LEFT,		IF_EB("\033[D", ESC_STR "[D")},
694     {K_F1,		IF_EB("\033[11~", ESC_STR "[11~")},
695     {K_F2,		IF_EB("\033[12~", ESC_STR "[12~")},
696     {K_F3,		IF_EB("\033[13~", ESC_STR "[13~")},
697     {K_F4,		IF_EB("\033[14~", ESC_STR "[14~")},
698     {K_F5,		IF_EB("\033[15~", ESC_STR "[15~")},
699     {K_F6,		IF_EB("\033[17~", ESC_STR "[17~")},
700     {K_F7,		IF_EB("\033[18~", ESC_STR "[18~")},
701     {K_F8,		IF_EB("\033[19~", ESC_STR "[19~")},
702     {K_F9,		IF_EB("\033[20~", ESC_STR "[20~")},
703     {K_F10,		IF_EB("\033[21~", ESC_STR "[21~")},
704     {K_F11,		IF_EB("\033[23~", ESC_STR "[23~")},
705     {K_F12,		IF_EB("\033[24~", ESC_STR "[24~")},
706     {K_F13,		IF_EB("\033[25~", ESC_STR "[25~")},
707     {K_F14,		IF_EB("\033[26~", ESC_STR "[26~")},
708     {K_F15,		IF_EB("\033[28~", ESC_STR "[28~")},	/* Help */
709     {K_F16,		IF_EB("\033[29~", ESC_STR "[29~")},	/* Select */
710     {K_F17,		IF_EB("\033[31~", ESC_STR "[31~")},
711     {K_F18,		IF_EB("\033[32~", ESC_STR "[32~")},
712     {K_F19,		IF_EB("\033[33~", ESC_STR "[33~")},
713     {K_F20,		IF_EB("\033[34~", ESC_STR "[34~")},
714     {K_INS,		IF_EB("\033[2~", ESC_STR "[2~")},
715     {K_DEL,		IF_EB("\033[3~", ESC_STR "[3~")},
716     {K_HOME,		IF_EB("\033[1~", ESC_STR "[1~")},
717     {K_END,		IF_EB("\033[4~", ESC_STR "[4~")},
718     {K_PAGEUP,		IF_EB("\033[5~", ESC_STR "[5~")},
719     {K_PAGEDOWN,	IF_EB("\033[6~", ESC_STR "[6~")},
720     {K_KPLUS,		IF_EB("\033Ok", ESC_STR "Ok")},	/* keypad plus */
721     {K_KMINUS,		IF_EB("\033Om", ESC_STR "Om")},	/* keypad minus */
722     {K_KDIVIDE,		IF_EB("\033Oo", ESC_STR "Oo")},	/* keypad / */
723     {K_KMULTIPLY,	IF_EB("\033Oj", ESC_STR "Oj")},	/* keypad * */
724     {K_KENTER,		IF_EB("\033OM", ESC_STR "OM")},	/* keypad Enter */
725     {K_BS,		"\x7f"},	/* for some reason 0177 doesn't work */
726 # endif
727 
728 # if defined(ALL_BUILTIN_TCAPS) || defined(__MINT__)
729 /*
730  * Ordinary vt52
731  */
732     {(int)KS_NAME,	"vt52"},
733     {(int)KS_CE,	IF_EB("\033K", ESC_STR "K")},
734     {(int)KS_CD,	IF_EB("\033J", ESC_STR "J")},
735 #  ifdef TERMINFO
736     {(int)KS_CM,	IF_EB("\033Y%p1%' '%+%c%p2%' '%+%c",
737 			    ESC_STR "Y%p1%' '%+%c%p2%' '%+%c")},
738 #  else
739     {(int)KS_CM,	IF_EB("\033Y%+ %+ ", ESC_STR "Y%+ %+ ")},
740 #  endif
741     {(int)KS_LE,	"\b"},
742     {(int)KS_SR,	IF_EB("\033I", ESC_STR "I")},
743     {(int)KS_AL,	IF_EB("\033L", ESC_STR "L")},
744     {(int)KS_DL,	IF_EB("\033M", ESC_STR "M")},
745     {K_UP,		IF_EB("\033A", ESC_STR "A")},
746     {K_DOWN,		IF_EB("\033B", ESC_STR "B")},
747     {K_LEFT,		IF_EB("\033D", ESC_STR "D")},
748     {K_RIGHT,		IF_EB("\033C", ESC_STR "C")},
749     {K_F1,		IF_EB("\033P", ESC_STR "P")},
750     {K_F2,		IF_EB("\033Q", ESC_STR "Q")},
751     {K_F3,		IF_EB("\033R", ESC_STR "R")},
752 #  ifdef __MINT__
753     {(int)KS_CL,	IF_EB("\033E", ESC_STR "E")},
754     {(int)KS_VE,	IF_EB("\033e", ESC_STR "e")},
755     {(int)KS_VI,	IF_EB("\033f", ESC_STR "f")},
756     {(int)KS_SO,	IF_EB("\033p", ESC_STR "p")},
757     {(int)KS_SE,	IF_EB("\033q", ESC_STR "q")},
758     {K_S_UP,		IF_EB("\033a", ESC_STR "a")},
759     {K_S_DOWN,		IF_EB("\033b", ESC_STR "b")},
760     {K_S_LEFT,		IF_EB("\033d", ESC_STR "d")},
761     {K_S_RIGHT,		IF_EB("\033c", ESC_STR "c")},
762     {K_F4,		IF_EB("\033S", ESC_STR "S")},
763     {K_F5,		IF_EB("\033T", ESC_STR "T")},
764     {K_F6,		IF_EB("\033U", ESC_STR "U")},
765     {K_F7,		IF_EB("\033V", ESC_STR "V")},
766     {K_F8,		IF_EB("\033W", ESC_STR "W")},
767     {K_F9,		IF_EB("\033X", ESC_STR "X")},
768     {K_F10,		IF_EB("\033Y", ESC_STR "Y")},
769     {K_S_F1,		IF_EB("\033p", ESC_STR "p")},
770     {K_S_F2,		IF_EB("\033q", ESC_STR "q")},
771     {K_S_F3,		IF_EB("\033r", ESC_STR "r")},
772     {K_S_F4,		IF_EB("\033s", ESC_STR "s")},
773     {K_S_F5,		IF_EB("\033t", ESC_STR "t")},
774     {K_S_F6,		IF_EB("\033u", ESC_STR "u")},
775     {K_S_F7,		IF_EB("\033v", ESC_STR "v")},
776     {K_S_F8,		IF_EB("\033w", ESC_STR "w")},
777     {K_S_F9,		IF_EB("\033x", ESC_STR "x")},
778     {K_S_F10,		IF_EB("\033y", ESC_STR "y")},
779     {K_INS,		IF_EB("\033I", ESC_STR "I")},
780     {K_HOME,		IF_EB("\033E", ESC_STR "E")},
781     {K_PAGEDOWN,	IF_EB("\033b", ESC_STR "b")},
782     {K_PAGEUP,		IF_EB("\033a", ESC_STR "a")},
783 #  else
784     {(int)KS_CL,	IF_EB("\033H\033J", ESC_STR "H" ESC_STR_nc "J")},
785     {(int)KS_MS,	"y"},
786 #  endif
787 # endif
788 
789 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS) || defined(SOME_BUILTIN_TCAPS)
790     {(int)KS_NAME,	"xterm"},
791     {(int)KS_CE,	IF_EB("\033[K", ESC_STR "[K")},
792     {(int)KS_AL,	IF_EB("\033[L", ESC_STR "[L")},
793 #  ifdef TERMINFO
794     {(int)KS_CAL,	IF_EB("\033[%p1%dL", ESC_STR "[%p1%dL")},
795 #  else
796     {(int)KS_CAL,	IF_EB("\033[%dL", ESC_STR "[%dL")},
797 #  endif
798     {(int)KS_DL,	IF_EB("\033[M", ESC_STR "[M")},
799 #  ifdef TERMINFO
800     {(int)KS_CDL,	IF_EB("\033[%p1%dM", ESC_STR "[%p1%dM")},
801 #  else
802     {(int)KS_CDL,	IF_EB("\033[%dM", ESC_STR "[%dM")},
803 #  endif
804 #  ifdef TERMINFO
805     {(int)KS_CS,	IF_EB("\033[%i%p1%d;%p2%dr",
806 						  ESC_STR "[%i%p1%d;%p2%dr")},
807 #  else
808     {(int)KS_CS,	IF_EB("\033[%i%d;%dr", ESC_STR "[%i%d;%dr")},
809 #  endif
810     {(int)KS_CL,	IF_EB("\033[H\033[2J", ESC_STR "[H" ESC_STR_nc "[2J")},
811     {(int)KS_CD,	IF_EB("\033[J", ESC_STR "[J")},
812     {(int)KS_ME,	IF_EB("\033[m", ESC_STR "[m")},
813     {(int)KS_MR,	IF_EB("\033[7m", ESC_STR "[7m")},
814     {(int)KS_MD,	IF_EB("\033[1m", ESC_STR "[1m")},
815     {(int)KS_UE,	IF_EB("\033[m", ESC_STR "[m")},
816     {(int)KS_US,	IF_EB("\033[4m", ESC_STR "[4m")},
817     {(int)KS_MS,	"y"},
818     {(int)KS_UT,	"y"},
819     {(int)KS_LE,	"\b"},
820     {(int)KS_VI,	IF_EB("\033[?25l", ESC_STR "[?25l")},
821     {(int)KS_VE,	IF_EB("\033[?25h", ESC_STR "[?25h")},
822     {(int)KS_VS,	IF_EB("\033[?12h", ESC_STR "[?12h")},
823 #  ifdef TERMINFO
824     {(int)KS_CSH,	IF_EB("\033[%p1%d q", ESC_STR "[%p1%d q")},
825 #  else
826     {(int)KS_CSH,	IF_EB("\033[%d q", ESC_STR "[%d q")},
827 #  endif
828 #  ifdef TERMINFO
829     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
830 						  ESC_STR "[%i%p1%d;%p2%dH")},
831 #  else
832     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
833 #  endif
834     {(int)KS_SR,	IF_EB("\033M", ESC_STR "M")},
835 #  ifdef TERMINFO
836     {(int)KS_CRI,	IF_EB("\033[%p1%dC", ESC_STR "[%p1%dC")},
837 #  else
838     {(int)KS_CRI,	IF_EB("\033[%dC", ESC_STR "[%dC")},
839 #  endif
840     {(int)KS_KS,	IF_EB("\033[?1h\033=", ESC_STR "[?1h" ESC_STR_nc "=")},
841     {(int)KS_KE,	IF_EB("\033[?1l\033>", ESC_STR "[?1l" ESC_STR_nc ">")},
842 #  ifdef FEAT_XTERM_SAVE
843     {(int)KS_TI,	IF_EB("\0337\033[?47h", ESC_STR "7" ESC_STR_nc "[?47h")},
844     {(int)KS_TE,	IF_EB("\033[2J\033[?47l\0338",
845 				  ESC_STR "[2J" ESC_STR_nc "[?47l" ESC_STR_nc "8")},
846 #  endif
847     {(int)KS_CIS,	IF_EB("\033]1;", ESC_STR "]1;")},
848     {(int)KS_CIE,	"\007"},
849     {(int)KS_TS,	IF_EB("\033]2;", ESC_STR "]2;")},
850     {(int)KS_FS,	"\007"},
851     {(int)KS_CSC,	IF_EB("\033]12;", ESC_STR "]12;")},
852     {(int)KS_CEC,	"\007"},
853 #  ifdef TERMINFO
854     {(int)KS_CWS,	IF_EB("\033[8;%p1%d;%p2%dt",
855 						  ESC_STR "[8;%p1%d;%p2%dt")},
856     {(int)KS_CWP,	IF_EB("\033[3;%p1%d;%p2%dt",
857 						  ESC_STR "[3;%p1%d;%p2%dt")},
858     {(int)KS_CGP,	IF_EB("\033[13t", ESC_STR "[13t")},
859 #  else
860     {(int)KS_CWS,	IF_EB("\033[8;%d;%dt", ESC_STR "[8;%d;%dt")},
861     {(int)KS_CWP,	IF_EB("\033[3;%d;%dt", ESC_STR "[3;%d;%dt")},
862     {(int)KS_CGP,	IF_EB("\033[13t", ESC_STR "[13t")},
863 #  endif
864     {(int)KS_CRV,	IF_EB("\033[>c", ESC_STR "[>c")},
865     {(int)KS_RBG,	IF_EB("\033]11;?\007", ESC_STR "]11;?\007")},
866     {(int)KS_U7,	IF_EB("\033[6n", ESC_STR "[6n")},
867 #  ifdef FEAT_TERMGUICOLORS
868     /* These are printf strings, not terminal codes. */
869     {(int)KS_8F,	IF_EB("\033[38;2;%lu;%lu;%lum", ESC_STR "[38;2;%lu;%lu;%lum")},
870     {(int)KS_8B,	IF_EB("\033[48;2;%lu;%lu;%lum", ESC_STR "[48;2;%lu;%lu;%lum")},
871 #  endif
872     {(int)KS_CBE,	IF_EB("\033[?2004h", ESC_STR "[?2004h")},
873     {(int)KS_CBD,	IF_EB("\033[?2004l", ESC_STR "[?2004l")},
874 
875     {K_UP,		IF_EB("\033O*A", ESC_STR "O*A")},
876     {K_DOWN,		IF_EB("\033O*B", ESC_STR "O*B")},
877     {K_RIGHT,		IF_EB("\033O*C", ESC_STR "O*C")},
878     {K_LEFT,		IF_EB("\033O*D", ESC_STR "O*D")},
879     /* An extra set of cursor keys for vt100 mode */
880     {K_XUP,		IF_EB("\033[1;*A", ESC_STR "[1;*A")},
881     {K_XDOWN,		IF_EB("\033[1;*B", ESC_STR "[1;*B")},
882     {K_XRIGHT,		IF_EB("\033[1;*C", ESC_STR "[1;*C")},
883     {K_XLEFT,		IF_EB("\033[1;*D", ESC_STR "[1;*D")},
884     /* An extra set of function keys for vt100 mode */
885     {K_XF1,		IF_EB("\033O*P", ESC_STR "O*P")},
886     {K_XF2,		IF_EB("\033O*Q", ESC_STR "O*Q")},
887     {K_XF3,		IF_EB("\033O*R", ESC_STR "O*R")},
888     {K_XF4,		IF_EB("\033O*S", ESC_STR "O*S")},
889     {K_F1,		IF_EB("\033[11;*~", ESC_STR "[11;*~")},
890     {K_F2,		IF_EB("\033[12;*~", ESC_STR "[12;*~")},
891     {K_F3,		IF_EB("\033[13;*~", ESC_STR "[13;*~")},
892     {K_F4,		IF_EB("\033[14;*~", ESC_STR "[14;*~")},
893     {K_F5,		IF_EB("\033[15;*~", ESC_STR "[15;*~")},
894     {K_F6,		IF_EB("\033[17;*~", ESC_STR "[17;*~")},
895     {K_F7,		IF_EB("\033[18;*~", ESC_STR "[18;*~")},
896     {K_F8,		IF_EB("\033[19;*~", ESC_STR "[19;*~")},
897     {K_F9,		IF_EB("\033[20;*~", ESC_STR "[20;*~")},
898     {K_F10,		IF_EB("\033[21;*~", ESC_STR "[21;*~")},
899     {K_F11,		IF_EB("\033[23;*~", ESC_STR "[23;*~")},
900     {K_F12,		IF_EB("\033[24;*~", ESC_STR "[24;*~")},
901     {K_S_TAB,		IF_EB("\033[Z", ESC_STR "[Z")},
902     {K_HELP,		IF_EB("\033[28;*~", ESC_STR "[28;*~")},
903     {K_UNDO,		IF_EB("\033[26;*~", ESC_STR "[26;*~")},
904     {K_INS,		IF_EB("\033[2;*~", ESC_STR "[2;*~")},
905     {K_HOME,		IF_EB("\033[1;*H", ESC_STR "[1;*H")},
906     /* {K_S_HOME,		IF_EB("\033O2H", ESC_STR "O2H")}, */
907     /* {K_C_HOME,		IF_EB("\033O5H", ESC_STR "O5H")}, */
908     {K_KHOME,		IF_EB("\033[1;*~", ESC_STR "[1;*~")},
909     {K_XHOME,		IF_EB("\033O*H", ESC_STR "O*H")},	/* other Home */
910     {K_ZHOME,		IF_EB("\033[7;*~", ESC_STR "[7;*~")},	/* other Home */
911     {K_END,		IF_EB("\033[1;*F", ESC_STR "[1;*F")},
912     /* {K_S_END,		IF_EB("\033O2F", ESC_STR "O2F")}, */
913     /* {K_C_END,		IF_EB("\033O5F", ESC_STR "O5F")}, */
914     {K_KEND,		IF_EB("\033[4;*~", ESC_STR "[4;*~")},
915     {K_XEND,		IF_EB("\033O*F", ESC_STR "O*F")},	/* other End */
916     {K_ZEND,		IF_EB("\033[8;*~", ESC_STR "[8;*~")},
917     {K_PAGEUP,		IF_EB("\033[5;*~", ESC_STR "[5;*~")},
918     {K_PAGEDOWN,	IF_EB("\033[6;*~", ESC_STR "[6;*~")},
919     {K_KPLUS,		IF_EB("\033O*k", ESC_STR "O*k")},     /* keypad plus */
920     {K_KMINUS,		IF_EB("\033O*m", ESC_STR "O*m")},     /* keypad minus */
921     {K_KDIVIDE,		IF_EB("\033O*o", ESC_STR "O*o")},     /* keypad / */
922     {K_KMULTIPLY,	IF_EB("\033O*j", ESC_STR "O*j")},     /* keypad * */
923     {K_KENTER,		IF_EB("\033O*M", ESC_STR "O*M")},     /* keypad Enter */
924     {K_KPOINT,		IF_EB("\033O*n", ESC_STR "O*n")},     /* keypad . */
925     {K_KDEL,		IF_EB("\033[3;*~", ESC_STR "[3;*~")}, /* keypad Del */
926     {K_PS,		IF_EB("\033[200~", ESC_STR "[200~")}, /* paste start */
927     {K_PE,		IF_EB("\033[201~", ESC_STR "[201~")}, /* paste end */
928 
929     {BT_EXTRA_KEYS,   ""},
930     {TERMCAP2KEY('k', '0'), IF_EB("\033[10;*~", ESC_STR "[10;*~")}, /* F0 */
931     {TERMCAP2KEY('F', '3'), IF_EB("\033[25;*~", ESC_STR "[25;*~")}, /* F13 */
932     /* F14 and F15 are missing, because they send the same codes as the undo
933      * and help key, although they don't work on all keyboards. */
934     {TERMCAP2KEY('F', '6'), IF_EB("\033[29;*~", ESC_STR "[29;*~")}, /* F16 */
935     {TERMCAP2KEY('F', '7'), IF_EB("\033[31;*~", ESC_STR "[31;*~")}, /* F17 */
936     {TERMCAP2KEY('F', '8'), IF_EB("\033[32;*~", ESC_STR "[32;*~")}, /* F18 */
937     {TERMCAP2KEY('F', '9'), IF_EB("\033[33;*~", ESC_STR "[33;*~")}, /* F19 */
938     {TERMCAP2KEY('F', 'A'), IF_EB("\033[34;*~", ESC_STR "[34;*~")}, /* F20 */
939 
940     {TERMCAP2KEY('F', 'B'), IF_EB("\033[42;*~", ESC_STR "[42;*~")}, /* F21 */
941     {TERMCAP2KEY('F', 'C'), IF_EB("\033[43;*~", ESC_STR "[43;*~")}, /* F22 */
942     {TERMCAP2KEY('F', 'D'), IF_EB("\033[44;*~", ESC_STR "[44;*~")}, /* F23 */
943     {TERMCAP2KEY('F', 'E'), IF_EB("\033[45;*~", ESC_STR "[45;*~")}, /* F24 */
944     {TERMCAP2KEY('F', 'F'), IF_EB("\033[46;*~", ESC_STR "[46;*~")}, /* F25 */
945     {TERMCAP2KEY('F', 'G'), IF_EB("\033[47;*~", ESC_STR "[47;*~")}, /* F26 */
946     {TERMCAP2KEY('F', 'H'), IF_EB("\033[48;*~", ESC_STR "[48;*~")}, /* F27 */
947     {TERMCAP2KEY('F', 'I'), IF_EB("\033[49;*~", ESC_STR "[49;*~")}, /* F28 */
948     {TERMCAP2KEY('F', 'J'), IF_EB("\033[50;*~", ESC_STR "[50;*~")}, /* F29 */
949     {TERMCAP2KEY('F', 'K'), IF_EB("\033[51;*~", ESC_STR "[51;*~")}, /* F30 */
950 
951     {TERMCAP2KEY('F', 'L'), IF_EB("\033[52;*~", ESC_STR "[52;*~")}, /* F31 */
952     {TERMCAP2KEY('F', 'M'), IF_EB("\033[53;*~", ESC_STR "[53;*~")}, /* F32 */
953     {TERMCAP2KEY('F', 'N'), IF_EB("\033[54;*~", ESC_STR "[54;*~")}, /* F33 */
954     {TERMCAP2KEY('F', 'O'), IF_EB("\033[55;*~", ESC_STR "[55;*~")}, /* F34 */
955     {TERMCAP2KEY('F', 'P'), IF_EB("\033[56;*~", ESC_STR "[56;*~")}, /* F35 */
956     {TERMCAP2KEY('F', 'Q'), IF_EB("\033[57;*~", ESC_STR "[57;*~")}, /* F36 */
957     {TERMCAP2KEY('F', 'R'), IF_EB("\033[58;*~", ESC_STR "[58;*~")}, /* F37 */
958 # endif
959 
960 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS)
961 /*
962  * iris-ansi for Silicon Graphics machines.
963  */
964     {(int)KS_NAME,	"iris-ansi"},
965     {(int)KS_CE,	"\033[K"},
966     {(int)KS_CD,	"\033[J"},
967     {(int)KS_AL,	"\033[L"},
968 #  ifdef TERMINFO
969     {(int)KS_CAL,	"\033[%p1%dL"},
970 #  else
971     {(int)KS_CAL,	"\033[%dL"},
972 #  endif
973     {(int)KS_DL,	"\033[M"},
974 #  ifdef TERMINFO
975     {(int)KS_CDL,	"\033[%p1%dM"},
976 #  else
977     {(int)KS_CDL,	"\033[%dM"},
978 #  endif
979 #if 0	/* The scroll region is not working as Vim expects. */
980 #  ifdef TERMINFO
981     {(int)KS_CS,	"\033[%i%p1%d;%p2%dr"},
982 #  else
983     {(int)KS_CS,	"\033[%i%d;%dr"},
984 #  endif
985 #endif
986     {(int)KS_CL,	"\033[H\033[2J"},
987     {(int)KS_VE,	"\033[9/y\033[12/y"},	/* These aren't documented */
988     {(int)KS_VS,	"\033[10/y\033[=1h\033[=2l"}, /* These aren't documented */
989     {(int)KS_TI,	"\033[=6h"},
990     {(int)KS_TE,	"\033[=6l"},
991     {(int)KS_SE,	"\033[21;27m"},
992     {(int)KS_SO,	"\033[1;7m"},
993     {(int)KS_ME,	"\033[m"},
994     {(int)KS_MR,	"\033[7m"},
995     {(int)KS_MD,	"\033[1m"},
996     {(int)KS_CCO,	"8"},			/* allow 8 colors */
997     {(int)KS_CZH,	"\033[3m"},		/* italic mode on */
998     {(int)KS_CZR,	"\033[23m"},		/* italic mode off */
999     {(int)KS_US,	"\033[4m"},		/* underline on */
1000     {(int)KS_UE,	"\033[24m"},		/* underline off */
1001 #  ifdef TERMINFO
1002     {(int)KS_CAB,	"\033[4%p1%dm"},    /* set background color (ANSI) */
1003     {(int)KS_CAF,	"\033[3%p1%dm"},    /* set foreground color (ANSI) */
1004     {(int)KS_CSB,	"\033[102;%p1%dm"}, /* set screen background color */
1005     {(int)KS_CSF,	"\033[101;%p1%dm"}, /* set screen foreground color */
1006 #  else
1007     {(int)KS_CAB,	"\033[4%dm"},	    /* set background color (ANSI) */
1008     {(int)KS_CAF,	"\033[3%dm"},	    /* set foreground color (ANSI) */
1009     {(int)KS_CSB,	"\033[102;%dm"},    /* set screen background color */
1010     {(int)KS_CSF,	"\033[101;%dm"},    /* set screen foreground color */
1011 #  endif
1012     {(int)KS_MS,	"y"},		/* guessed */
1013     {(int)KS_UT,	"y"},		/* guessed */
1014     {(int)KS_LE,	"\b"},
1015 #  ifdef TERMINFO
1016     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
1017 #  else
1018     {(int)KS_CM,	"\033[%i%d;%dH"},
1019 #  endif
1020     {(int)KS_SR,	"\033M"},
1021 #  ifdef TERMINFO
1022     {(int)KS_CRI,	"\033[%p1%dC"},
1023 #  else
1024     {(int)KS_CRI,	"\033[%dC"},
1025 #  endif
1026     {(int)KS_CIS,	"\033P3.y"},
1027     {(int)KS_CIE,	"\234"},    /* ST "String Terminator" */
1028     {(int)KS_TS,	"\033P1.y"},
1029     {(int)KS_FS,	"\234"},    /* ST "String Terminator" */
1030 #  ifdef TERMINFO
1031     {(int)KS_CWS,	"\033[203;%p1%d;%p2%d/y"},
1032     {(int)KS_CWP,	"\033[205;%p1%d;%p2%d/y"},
1033 #  else
1034     {(int)KS_CWS,	"\033[203;%d;%d/y"},
1035     {(int)KS_CWP,	"\033[205;%d;%d/y"},
1036 #  endif
1037     {K_UP,		"\033[A"},
1038     {K_DOWN,		"\033[B"},
1039     {K_LEFT,		"\033[D"},
1040     {K_RIGHT,		"\033[C"},
1041     {K_S_UP,		"\033[161q"},
1042     {K_S_DOWN,		"\033[164q"},
1043     {K_S_LEFT,		"\033[158q"},
1044     {K_S_RIGHT,		"\033[167q"},
1045     {K_F1,		"\033[001q"},
1046     {K_F2,		"\033[002q"},
1047     {K_F3,		"\033[003q"},
1048     {K_F4,		"\033[004q"},
1049     {K_F5,		"\033[005q"},
1050     {K_F6,		"\033[006q"},
1051     {K_F7,		"\033[007q"},
1052     {K_F8,		"\033[008q"},
1053     {K_F9,		"\033[009q"},
1054     {K_F10,		"\033[010q"},
1055     {K_F11,		"\033[011q"},
1056     {K_F12,		"\033[012q"},
1057     {K_S_F1,		"\033[013q"},
1058     {K_S_F2,		"\033[014q"},
1059     {K_S_F3,		"\033[015q"},
1060     {K_S_F4,		"\033[016q"},
1061     {K_S_F5,		"\033[017q"},
1062     {K_S_F6,		"\033[018q"},
1063     {K_S_F7,		"\033[019q"},
1064     {K_S_F8,		"\033[020q"},
1065     {K_S_F9,		"\033[021q"},
1066     {K_S_F10,		"\033[022q"},
1067     {K_S_F11,		"\033[023q"},
1068     {K_S_F12,		"\033[024q"},
1069     {K_INS,		"\033[139q"},
1070     {K_HOME,		"\033[H"},
1071     {K_END,		"\033[146q"},
1072     {K_PAGEUP,		"\033[150q"},
1073     {K_PAGEDOWN,	"\033[154q"},
1074 # endif
1075 
1076 # if defined(DEBUG) || defined(ALL_BUILTIN_TCAPS)
1077 /*
1078  * for debugging
1079  */
1080     {(int)KS_NAME,	"debug"},
1081     {(int)KS_CE,	"[CE]"},
1082     {(int)KS_CD,	"[CD]"},
1083     {(int)KS_AL,	"[AL]"},
1084 #  ifdef TERMINFO
1085     {(int)KS_CAL,	"[CAL%p1%d]"},
1086 #  else
1087     {(int)KS_CAL,	"[CAL%d]"},
1088 #  endif
1089     {(int)KS_DL,	"[DL]"},
1090 #  ifdef TERMINFO
1091     {(int)KS_CDL,	"[CDL%p1%d]"},
1092 #  else
1093     {(int)KS_CDL,	"[CDL%d]"},
1094 #  endif
1095 #  ifdef TERMINFO
1096     {(int)KS_CS,	"[%p1%dCS%p2%d]"},
1097 #  else
1098     {(int)KS_CS,	"[%dCS%d]"},
1099 #  endif
1100 #  ifdef FEAT_WINDOWS
1101 #   ifdef TERMINFO
1102     {(int)KS_CSV,	"[%p1%dCSV%p2%d]"},
1103 #   else
1104     {(int)KS_CSV,	"[%dCSV%d]"},
1105 #   endif
1106 #  endif
1107 #  ifdef TERMINFO
1108     {(int)KS_CAB,	"[CAB%p1%d]"},
1109     {(int)KS_CAF,	"[CAF%p1%d]"},
1110     {(int)KS_CSB,	"[CSB%p1%d]"},
1111     {(int)KS_CSF,	"[CSF%p1%d]"},
1112 #  else
1113     {(int)KS_CAB,	"[CAB%d]"},
1114     {(int)KS_CAF,	"[CAF%d]"},
1115     {(int)KS_CSB,	"[CSB%d]"},
1116     {(int)KS_CSF,	"[CSF%d]"},
1117 #  endif
1118     {(int)KS_OP,	"[OP]"},
1119     {(int)KS_LE,	"[LE]"},
1120     {(int)KS_CL,	"[CL]"},
1121     {(int)KS_VI,	"[VI]"},
1122     {(int)KS_VE,	"[VE]"},
1123     {(int)KS_VS,	"[VS]"},
1124     {(int)KS_ME,	"[ME]"},
1125     {(int)KS_MR,	"[MR]"},
1126     {(int)KS_MB,	"[MB]"},
1127     {(int)KS_MD,	"[MD]"},
1128     {(int)KS_SE,	"[SE]"},
1129     {(int)KS_SO,	"[SO]"},
1130     {(int)KS_UE,	"[UE]"},
1131     {(int)KS_US,	"[US]"},
1132     {(int)KS_UCE,	"[UCE]"},
1133     {(int)KS_UCS,	"[UCS]"},
1134     {(int)KS_MS,	"[MS]"},
1135     {(int)KS_UT,	"[UT]"},
1136     {(int)KS_XN,	"[XN]"},
1137 #  ifdef TERMINFO
1138     {(int)KS_CM,	"[%p1%dCM%p2%d]"},
1139 #  else
1140     {(int)KS_CM,	"[%dCM%d]"},
1141 #  endif
1142     {(int)KS_SR,	"[SR]"},
1143 #  ifdef TERMINFO
1144     {(int)KS_CRI,	"[CRI%p1%d]"},
1145 #  else
1146     {(int)KS_CRI,	"[CRI%d]"},
1147 #  endif
1148     {(int)KS_VB,	"[VB]"},
1149     {(int)KS_KS,	"[KS]"},
1150     {(int)KS_KE,	"[KE]"},
1151     {(int)KS_TI,	"[TI]"},
1152     {(int)KS_TE,	"[TE]"},
1153     {(int)KS_CIS,	"[CIS]"},
1154     {(int)KS_CIE,	"[CIE]"},
1155     {(int)KS_CSC,	"[CSC]"},
1156     {(int)KS_CEC,	"[CEC]"},
1157     {(int)KS_TS,	"[TS]"},
1158     {(int)KS_FS,	"[FS]"},
1159 #  ifdef TERMINFO
1160     {(int)KS_CWS,	"[%p1%dCWS%p2%d]"},
1161     {(int)KS_CWP,	"[%p1%dCWP%p2%d]"},
1162 #  else
1163     {(int)KS_CWS,	"[%dCWS%d]"},
1164     {(int)KS_CWP,	"[%dCWP%d]"},
1165 #  endif
1166     {(int)KS_CRV,	"[CRV]"},
1167     {(int)KS_U7,	"[U7]"},
1168     {(int)KS_RBG,	"[RBG]"},
1169     {K_UP,		"[KU]"},
1170     {K_DOWN,		"[KD]"},
1171     {K_LEFT,		"[KL]"},
1172     {K_RIGHT,		"[KR]"},
1173     {K_XUP,		"[xKU]"},
1174     {K_XDOWN,		"[xKD]"},
1175     {K_XLEFT,		"[xKL]"},
1176     {K_XRIGHT,		"[xKR]"},
1177     {K_S_UP,		"[S-KU]"},
1178     {K_S_DOWN,		"[S-KD]"},
1179     {K_S_LEFT,		"[S-KL]"},
1180     {K_C_LEFT,		"[C-KL]"},
1181     {K_S_RIGHT,		"[S-KR]"},
1182     {K_C_RIGHT,		"[C-KR]"},
1183     {K_F1,		"[F1]"},
1184     {K_XF1,		"[xF1]"},
1185     {K_F2,		"[F2]"},
1186     {K_XF2,		"[xF2]"},
1187     {K_F3,		"[F3]"},
1188     {K_XF3,		"[xF3]"},
1189     {K_F4,		"[F4]"},
1190     {K_XF4,		"[xF4]"},
1191     {K_F5,		"[F5]"},
1192     {K_F6,		"[F6]"},
1193     {K_F7,		"[F7]"},
1194     {K_F8,		"[F8]"},
1195     {K_F9,		"[F9]"},
1196     {K_F10,		"[F10]"},
1197     {K_F11,		"[F11]"},
1198     {K_F12,		"[F12]"},
1199     {K_S_F1,		"[S-F1]"},
1200     {K_S_XF1,		"[S-xF1]"},
1201     {K_S_F2,		"[S-F2]"},
1202     {K_S_XF2,		"[S-xF2]"},
1203     {K_S_F3,		"[S-F3]"},
1204     {K_S_XF3,		"[S-xF3]"},
1205     {K_S_F4,		"[S-F4]"},
1206     {K_S_XF4,		"[S-xF4]"},
1207     {K_S_F5,		"[S-F5]"},
1208     {K_S_F6,		"[S-F6]"},
1209     {K_S_F7,		"[S-F7]"},
1210     {K_S_F8,		"[S-F8]"},
1211     {K_S_F9,		"[S-F9]"},
1212     {K_S_F10,		"[S-F10]"},
1213     {K_S_F11,		"[S-F11]"},
1214     {K_S_F12,		"[S-F12]"},
1215     {K_HELP,		"[HELP]"},
1216     {K_UNDO,		"[UNDO]"},
1217     {K_BS,		"[BS]"},
1218     {K_INS,		"[INS]"},
1219     {K_KINS,		"[KINS]"},
1220     {K_DEL,		"[DEL]"},
1221     {K_KDEL,		"[KDEL]"},
1222     {K_HOME,		"[HOME]"},
1223     {K_S_HOME,		"[C-HOME]"},
1224     {K_C_HOME,		"[C-HOME]"},
1225     {K_KHOME,		"[KHOME]"},
1226     {K_XHOME,		"[XHOME]"},
1227     {K_ZHOME,		"[ZHOME]"},
1228     {K_END,		"[END]"},
1229     {K_S_END,		"[C-END]"},
1230     {K_C_END,		"[C-END]"},
1231     {K_KEND,		"[KEND]"},
1232     {K_XEND,		"[XEND]"},
1233     {K_ZEND,		"[ZEND]"},
1234     {K_PAGEUP,		"[PAGEUP]"},
1235     {K_PAGEDOWN,	"[PAGEDOWN]"},
1236     {K_KPAGEUP,		"[KPAGEUP]"},
1237     {K_KPAGEDOWN,	"[KPAGEDOWN]"},
1238     {K_MOUSE,		"[MOUSE]"},
1239     {K_KPLUS,		"[KPLUS]"},
1240     {K_KMINUS,		"[KMINUS]"},
1241     {K_KDIVIDE,		"[KDIVIDE]"},
1242     {K_KMULTIPLY,	"[KMULTIPLY]"},
1243     {K_KENTER,		"[KENTER]"},
1244     {K_KPOINT,		"[KPOINT]"},
1245     {K_PS,		"[PASTE-START]"},
1246     {K_PE,		"[PASTE-END]"},
1247     {K_K0,		"[K0]"},
1248     {K_K1,		"[K1]"},
1249     {K_K2,		"[K2]"},
1250     {K_K3,		"[K3]"},
1251     {K_K4,		"[K4]"},
1252     {K_K5,		"[K5]"},
1253     {K_K6,		"[K6]"},
1254     {K_K7,		"[K7]"},
1255     {K_K8,		"[K8]"},
1256     {K_K9,		"[K9]"},
1257 # endif
1258 
1259 #endif /* NO_BUILTIN_TCAPS */
1260 
1261 /*
1262  * The most minimal terminal: only clear screen and cursor positioning
1263  * Always included.
1264  */
1265     {(int)KS_NAME,	"dumb"},
1266     {(int)KS_CL,	"\014"},
1267 #ifdef TERMINFO
1268     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
1269 						  ESC_STR "[%i%p1%d;%p2%dH")},
1270 #else
1271     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
1272 #endif
1273 
1274 /*
1275  * end marker
1276  */
1277     {(int)KS_NAME,	NULL}
1278 
1279 };	/* end of builtin_termcaps */
1280 
1281 #if defined(FEAT_TERMGUICOLORS) || defined(PROTO)
1282     guicolor_T
1283 termgui_mch_get_color(char_u *name)
1284 {
1285     return gui_get_color_cmn(name);
1286 }
1287 
1288     guicolor_T
1289 termgui_get_color(char_u *name)
1290 {
1291     guicolor_T	t;
1292 
1293     if (*name == NUL)
1294 	return INVALCOLOR;
1295     t = termgui_mch_get_color(name);
1296 
1297     if (t == INVALCOLOR)
1298 	EMSG2(_("E254: Cannot allocate color %s"), name);
1299     return t;
1300 }
1301 
1302     guicolor_T
1303 termgui_mch_get_rgb(guicolor_T color)
1304 {
1305     return color;
1306 }
1307 #endif
1308 
1309 /*
1310  * DEFAULT_TERM is used, when no terminal is specified with -T option or $TERM.
1311  */
1312 #ifdef AMIGA
1313 # define DEFAULT_TERM	(char_u *)"amiga"
1314 #endif
1315 
1316 #ifdef MSWIN
1317 # define DEFAULT_TERM	(char_u *)"win32"
1318 #endif
1319 
1320 #if defined(UNIX) && !defined(__MINT__)
1321 # define DEFAULT_TERM	(char_u *)"ansi"
1322 #endif
1323 
1324 #ifdef __MINT__
1325 # define DEFAULT_TERM	(char_u *)"vt52"
1326 #endif
1327 
1328 #ifdef VMS
1329 # define DEFAULT_TERM	(char_u *)"vt320"
1330 #endif
1331 
1332 #ifdef __BEOS__
1333 # undef DEFAULT_TERM
1334 # define DEFAULT_TERM	(char_u *)"beos-ansi"
1335 #endif
1336 
1337 #ifndef DEFAULT_TERM
1338 # define DEFAULT_TERM	(char_u *)"dumb"
1339 #endif
1340 
1341 /*
1342  * Term_strings contains currently used terminal output strings.
1343  * It is initialized with the default values by parse_builtin_tcap().
1344  * The values can be changed by setting the option with the same name.
1345  */
1346 char_u *(term_strings[(int)KS_LAST + 1]);
1347 
1348 static int	need_gather = FALSE;	    /* need to fill termleader[] */
1349 static char_u	termleader[256 + 1];	    /* for check_termcode() */
1350 #ifdef FEAT_TERMRESPONSE
1351 static int	check_for_codes = FALSE;    /* check for key code response */
1352 #endif
1353 
1354     static struct builtin_term *
1355 find_builtin_term(char_u *term)
1356 {
1357     struct builtin_term *p;
1358 
1359     p = builtin_termcaps;
1360     while (p->bt_string != NULL)
1361     {
1362 	if (p->bt_entry == (int)KS_NAME)
1363 	{
1364 #ifdef UNIX
1365 	    if (STRCMP(p->bt_string, "iris-ansi") == 0 && vim_is_iris(term))
1366 		return p;
1367 	    else if (STRCMP(p->bt_string, "xterm") == 0 && vim_is_xterm(term))
1368 		return p;
1369 	    else
1370 #endif
1371 #ifdef VMS
1372 		if (STRCMP(p->bt_string, "vt320") == 0 && vim_is_vt300(term))
1373 		    return p;
1374 		else
1375 #endif
1376 		  if (STRCMP(term, p->bt_string) == 0)
1377 		    return p;
1378 	}
1379 	++p;
1380     }
1381     return p;
1382 }
1383 
1384 /*
1385  * Parsing of the builtin termcap entries.
1386  * Caller should check if 'name' is a valid builtin term.
1387  * The terminal's name is not set, as this is already done in termcapinit().
1388  */
1389     static void
1390 parse_builtin_tcap(char_u *term)
1391 {
1392     struct builtin_term	    *p;
1393     char_u		    name[2];
1394     int			    term_8bit;
1395 
1396     p = find_builtin_term(term);
1397     term_8bit = term_is_8bit(term);
1398 
1399     /* Do not parse if builtin term not found */
1400     if (p->bt_string == NULL)
1401 	return;
1402 
1403     for (++p; p->bt_entry != (int)KS_NAME && p->bt_entry != BT_EXTRA_KEYS; ++p)
1404     {
1405 	if ((int)p->bt_entry >= 0)	/* KS_xx entry */
1406 	{
1407 	    /* Only set the value if it wasn't set yet. */
1408 	    if (term_strings[p->bt_entry] == NULL
1409 				 || term_strings[p->bt_entry] == empty_option)
1410 	    {
1411 		/* 8bit terminal: use CSI instead of <Esc>[ */
1412 		if (term_8bit && term_7to8bit((char_u *)p->bt_string) != 0)
1413 		{
1414 		    char_u  *s, *t;
1415 
1416 		    s = vim_strsave((char_u *)p->bt_string);
1417 		    if (s != NULL)
1418 		    {
1419 			for (t = s; *t; ++t)
1420 			    if (term_7to8bit(t))
1421 			    {
1422 				*t = term_7to8bit(t);
1423 				STRCPY(t + 1, t + 2);
1424 			    }
1425 			term_strings[p->bt_entry] = s;
1426 			set_term_option_alloced(&term_strings[p->bt_entry]);
1427 		    }
1428 		}
1429 		else
1430 		    term_strings[p->bt_entry] = (char_u *)p->bt_string;
1431 	    }
1432 	}
1433 	else
1434 	{
1435 	    name[0] = KEY2TERMCAP0((int)p->bt_entry);
1436 	    name[1] = KEY2TERMCAP1((int)p->bt_entry);
1437 	    if (find_termcode(name) == NULL)
1438 		add_termcode(name, (char_u *)p->bt_string, term_8bit);
1439 	}
1440     }
1441 }
1442 
1443 /*
1444  * Set number of colors.
1445  * Store it as a number in t_colors.
1446  * Store it as a string in T_CCO (using nr_colors[]).
1447  */
1448     static void
1449 set_color_count(int nr)
1450 {
1451     char_u	nr_colors[20];		/* string for number of colors */
1452 
1453     t_colors = nr;
1454     if (t_colors > 1)
1455 	sprintf((char *)nr_colors, "%d", t_colors);
1456     else
1457 	*nr_colors = NUL;
1458     set_string_option_direct((char_u *)"t_Co", -1, nr_colors, OPT_FREE, 0);
1459 }
1460 
1461 #if defined(FEAT_TERMRESPONSE)
1462 /*
1463  * Set the color count to "val" and redraw if it changed.
1464  */
1465     static void
1466 may_adjust_color_count(int val)
1467 {
1468     if (val != t_colors)
1469     {
1470 	/* Nr of colors changed, initialize highlighting and
1471 	 * redraw everything.  This causes a redraw, which usually
1472 	 * clears the message.  Try keeping the message if it
1473 	 * might work. */
1474 	set_keep_msg_from_hist();
1475 	set_color_count(val);
1476 	init_highlight(TRUE, FALSE);
1477 # ifdef DEBUG_TERMRESPONSE
1478 	{
1479 	    char buf[100];
1480 	    int  r = redraw_asap(CLEAR);
1481 
1482 	    sprintf(buf, "Received t_Co, redraw_asap(): %d", r);
1483 	    log_tr(buf);
1484 	}
1485 # else
1486 	redraw_asap(CLEAR);
1487 # endif
1488     }
1489 }
1490 #endif
1491 
1492 #ifdef HAVE_TGETENT
1493 static char *(key_names[]) =
1494 {
1495 #ifdef FEAT_TERMRESPONSE
1496     /* Do this one first, it may cause a screen redraw. */
1497     "Co",
1498 #endif
1499     "ku", "kd", "kr", "kl",
1500     "#2", "#4", "%i", "*7",
1501     "k1", "k2", "k3", "k4", "k5", "k6",
1502     "k7", "k8", "k9", "k;", "F1", "F2",
1503     "%1", "&8", "kb", "kI", "kD", "kh",
1504     "@7", "kP", "kN", "K1", "K3", "K4", "K5", "kB",
1505     NULL
1506 };
1507 #endif
1508 
1509 /*
1510  * Set terminal options for terminal "term".
1511  * Return OK if terminal 'term' was found in a termcap, FAIL otherwise.
1512  *
1513  * While doing this, until ttest(), some options may be NULL, be careful.
1514  */
1515     int
1516 set_termname(char_u *term)
1517 {
1518     struct builtin_term *termp;
1519 #ifdef HAVE_TGETENT
1520     int		builtin_first = p_tbi;
1521     int		try;
1522     int		termcap_cleared = FALSE;
1523 #endif
1524     int		width = 0, height = 0;
1525     char_u	*error_msg = NULL;
1526     char_u	*bs_p, *del_p;
1527 
1528     /* In silect mode (ex -s) we don't use the 'term' option. */
1529     if (silent_mode)
1530 	return OK;
1531 
1532     detected_8bit = FALSE;		/* reset 8-bit detection */
1533 
1534     if (term_is_builtin(term))
1535     {
1536 	term += 8;
1537 #ifdef HAVE_TGETENT
1538 	builtin_first = 1;
1539 #endif
1540     }
1541 
1542 /*
1543  * If HAVE_TGETENT is not defined, only the builtin termcap is used, otherwise:
1544  *   If builtin_first is TRUE:
1545  *     0. try builtin termcap
1546  *     1. try external termcap
1547  *     2. if both fail default to a builtin terminal
1548  *   If builtin_first is FALSE:
1549  *     1. try external termcap
1550  *     2. try builtin termcap, if both fail default to a builtin terminal
1551  */
1552 #ifdef HAVE_TGETENT
1553     for (try = builtin_first ? 0 : 1; try < 3; ++try)
1554     {
1555 	/*
1556 	 * Use external termcap
1557 	 */
1558 	if (try == 1)
1559 	{
1560 	    char_u	    *p;
1561 	    static char_u   tstrbuf[TBUFSZ];
1562 	    int		    i;
1563 	    char_u	    tbuf[TBUFSZ];
1564 	    char_u	    *tp;
1565 	    static struct {
1566 			    enum SpecialKey dest; /* index in term_strings[] */
1567 			    char *name;		  /* termcap name for string */
1568 			  } string_names[] =
1569 			    {	{KS_CE, "ce"}, {KS_AL, "al"}, {KS_CAL,"AL"},
1570 				{KS_DL, "dl"}, {KS_CDL,"DL"}, {KS_CS, "cs"},
1571 				{KS_CL, "cl"}, {KS_CD, "cd"},
1572 				{KS_VI, "vi"}, {KS_VE, "ve"}, {KS_MB, "mb"},
1573 				{KS_VS, "vs"}, {KS_ME, "me"}, {KS_MR, "mr"},
1574 				{KS_MD, "md"}, {KS_SE, "se"}, {KS_SO, "so"},
1575 				{KS_CZH,"ZH"}, {KS_CZR,"ZR"}, {KS_UE, "ue"},
1576 				{KS_US, "us"}, {KS_UCE, "Ce"}, {KS_UCS, "Cs"},
1577 				{KS_CM, "cm"}, {KS_SR, "sr"},
1578 				{KS_CRI,"RI"}, {KS_VB, "vb"}, {KS_KS, "ks"},
1579 				{KS_KE, "ke"}, {KS_TI, "ti"}, {KS_TE, "te"},
1580 				{KS_BC, "bc"}, {KS_CSB,"Sb"}, {KS_CSF,"Sf"},
1581 				{KS_CAB,"AB"}, {KS_CAF,"AF"}, {KS_LE, "le"},
1582 				{KS_ND, "nd"}, {KS_OP, "op"}, {KS_CRV, "RV"},
1583 				{KS_CIS, "IS"}, {KS_CIE, "IE"},
1584 				{KS_CSC, "SC"}, {KS_CEC, "EC"},
1585 				{KS_TS, "ts"}, {KS_FS, "fs"},
1586 				{KS_CWP, "WP"}, {KS_CWS, "WS"},
1587 				{KS_CSI, "SI"}, {KS_CEI, "EI"},
1588 				{KS_U7, "u7"}, {KS_RBG, "RB"},
1589 				{KS_8F, "8f"}, {KS_8B, "8b"},
1590 				{KS_CBE, "BE"}, {KS_CBD, "BD"},
1591 				{KS_CPS, "PS"}, {KS_CPE, "PE"},
1592 				{(enum SpecialKey)0, NULL}
1593 			    };
1594 
1595 	    /*
1596 	     * If the external termcap does not have a matching entry, try the
1597 	     * builtin ones.
1598 	     */
1599 	    if ((error_msg = tgetent_error(tbuf, term)) == NULL)
1600 	    {
1601 		tp = tstrbuf;
1602 		if (!termcap_cleared)
1603 		{
1604 		    clear_termoptions();	/* clear old options */
1605 		    termcap_cleared = TRUE;
1606 		}
1607 
1608 	    /* get output strings */
1609 		for (i = 0; string_names[i].name != NULL; ++i)
1610 		{
1611 		    if (TERM_STR(string_names[i].dest) == NULL
1612 			    || TERM_STR(string_names[i].dest) == empty_option)
1613 			TERM_STR(string_names[i].dest) =
1614 					   TGETSTR(string_names[i].name, &tp);
1615 		}
1616 
1617 		/* tgetflag() returns 1 if the flag is present, 0 if not and
1618 		 * possibly -1 if the flag doesn't exist. */
1619 		if ((T_MS == NULL || T_MS == empty_option)
1620 							&& tgetflag("ms") > 0)
1621 		    T_MS = (char_u *)"y";
1622 		if ((T_XS == NULL || T_XS == empty_option)
1623 							&& tgetflag("xs") > 0)
1624 		    T_XS = (char_u *)"y";
1625 		if ((T_XN == NULL || T_XN == empty_option)
1626 							&& tgetflag("xn") > 0)
1627 		    T_XN = (char_u *)"y";
1628 		if ((T_DB == NULL || T_DB == empty_option)
1629 							&& tgetflag("db") > 0)
1630 		    T_DB = (char_u *)"y";
1631 		if ((T_DA == NULL || T_DA == empty_option)
1632 							&& tgetflag("da") > 0)
1633 		    T_DA = (char_u *)"y";
1634 		if ((T_UT == NULL || T_UT == empty_option)
1635 							&& tgetflag("ut") > 0)
1636 		    T_UT = (char_u *)"y";
1637 
1638 
1639 		/*
1640 		 * get key codes
1641 		 */
1642 		for (i = 0; key_names[i] != NULL; ++i)
1643 		{
1644 		    if (find_termcode((char_u *)key_names[i]) == NULL)
1645 		    {
1646 			p = TGETSTR(key_names[i], &tp);
1647 			/* if cursor-left == backspace, ignore it (televideo
1648 			 * 925) */
1649 			if (p != NULL
1650 				&& (*p != Ctrl_H
1651 				    || key_names[i][0] != 'k'
1652 				    || key_names[i][1] != 'l'))
1653 			    add_termcode((char_u *)key_names[i], p, FALSE);
1654 		    }
1655 		}
1656 
1657 		if (height == 0)
1658 		    height = tgetnum("li");
1659 		if (width == 0)
1660 		    width = tgetnum("co");
1661 
1662 		/*
1663 		 * Get number of colors (if not done already).
1664 		 */
1665 		if (TERM_STR(KS_CCO) == NULL
1666 			|| TERM_STR(KS_CCO) == empty_option)
1667 		    set_color_count(tgetnum("Co"));
1668 
1669 # ifndef hpux
1670 		BC = (char *)TGETSTR("bc", &tp);
1671 		UP = (char *)TGETSTR("up", &tp);
1672 		p = TGETSTR("pc", &tp);
1673 		if (p)
1674 		    PC = *p;
1675 # endif /* hpux */
1676 	    }
1677 	}
1678 	else	    /* try == 0 || try == 2 */
1679 #endif /* HAVE_TGETENT */
1680 	/*
1681 	 * Use builtin termcap
1682 	 */
1683 	{
1684 #ifdef HAVE_TGETENT
1685 	    /*
1686 	     * If builtin termcap was already used, there is no need to search
1687 	     * for the builtin termcap again, quit now.
1688 	     */
1689 	    if (try == 2 && builtin_first && termcap_cleared)
1690 		break;
1691 #endif
1692 	    /*
1693 	     * search for 'term' in builtin_termcaps[]
1694 	     */
1695 	    termp = find_builtin_term(term);
1696 	    if (termp->bt_string == NULL)	/* did not find it */
1697 	    {
1698 #ifdef HAVE_TGETENT
1699 		/*
1700 		 * If try == 0, first try the external termcap. If that is not
1701 		 * found we'll get back here with try == 2.
1702 		 * If termcap_cleared is set we used the external termcap,
1703 		 * don't complain about not finding the term in the builtin
1704 		 * termcap.
1705 		 */
1706 		if (try == 0)			/* try external one */
1707 		    continue;
1708 		if (termcap_cleared)		/* found in external termcap */
1709 		    break;
1710 #endif
1711 
1712 		mch_errmsg("\r\n");
1713 		if (error_msg != NULL)
1714 		{
1715 		    mch_errmsg((char *)error_msg);
1716 		    mch_errmsg("\r\n");
1717 		}
1718 		mch_errmsg("'");
1719 		mch_errmsg((char *)term);
1720 		mch_errmsg(_("' not known. Available builtin terminals are:"));
1721 		mch_errmsg("\r\n");
1722 		for (termp = &(builtin_termcaps[0]); termp->bt_string != NULL;
1723 								      ++termp)
1724 		{
1725 		    if (termp->bt_entry == (int)KS_NAME)
1726 		    {
1727 #ifdef HAVE_TGETENT
1728 			mch_errmsg("    builtin_");
1729 #else
1730 			mch_errmsg("    ");
1731 #endif
1732 			mch_errmsg(termp->bt_string);
1733 			mch_errmsg("\r\n");
1734 		    }
1735 		}
1736 		/* when user typed :set term=xxx, quit here */
1737 		if (starting != NO_SCREEN)
1738 		{
1739 		    screen_start();	/* don't know where cursor is now */
1740 		    wait_return(TRUE);
1741 		    return FAIL;
1742 		}
1743 		term = DEFAULT_TERM;
1744 		mch_errmsg(_("defaulting to '"));
1745 		mch_errmsg((char *)term);
1746 		mch_errmsg("'\r\n");
1747 		if (emsg_silent == 0)
1748 		{
1749 		    screen_start();	/* don't know where cursor is now */
1750 		    out_flush();
1751 		    if (!is_not_a_term())
1752 			ui_delay(2000L, TRUE);
1753 		}
1754 		set_string_option_direct((char_u *)"term", -1, term,
1755 								 OPT_FREE, 0);
1756 		display_errors();
1757 	    }
1758 	    out_flush();
1759 #ifdef HAVE_TGETENT
1760 	    if (!termcap_cleared)
1761 	    {
1762 #endif
1763 		clear_termoptions();	    /* clear old options */
1764 #ifdef HAVE_TGETENT
1765 		termcap_cleared = TRUE;
1766 	    }
1767 #endif
1768 	    parse_builtin_tcap(term);
1769 #ifdef FEAT_GUI
1770 	    if (term_is_gui(term))
1771 	    {
1772 		out_flush();
1773 		gui_init();
1774 		/* If starting the GUI failed, don't do any of the other
1775 		 * things for this terminal */
1776 		if (!gui.in_use)
1777 		    return FAIL;
1778 #ifdef HAVE_TGETENT
1779 		break;		/* don't try using external termcap */
1780 #endif
1781 	    }
1782 #endif /* FEAT_GUI */
1783 	}
1784 #ifdef HAVE_TGETENT
1785     }
1786 #endif
1787 
1788 /*
1789  * special: There is no info in the termcap about whether the cursor
1790  * positioning is relative to the start of the screen or to the start of the
1791  * scrolling region.  We just guess here. Only msdos pcterm is known to do it
1792  * relative.
1793  */
1794     if (STRCMP(term, "pcterm") == 0)
1795 	T_CCS = (char_u *)"yes";
1796     else
1797 	T_CCS = empty_option;
1798 
1799 #ifdef UNIX
1800 /*
1801  * Any "stty" settings override the default for t_kb from the termcap.
1802  * This is in os_unix.c, because it depends a lot on the version of unix that
1803  * is being used.
1804  * Don't do this when the GUI is active, it uses "t_kb" and "t_kD" directly.
1805  */
1806 #ifdef FEAT_GUI
1807     if (!gui.in_use)
1808 #endif
1809 	get_stty();
1810 #endif
1811 
1812 /*
1813  * If the termcap has no entry for 'bs' and/or 'del' and the ioctl() also
1814  * didn't work, use the default CTRL-H
1815  * The default for t_kD is DEL, unless t_kb is DEL.
1816  * The vim_strsave'd strings are probably lost forever, well it's only two
1817  * bytes.  Don't do this when the GUI is active, it uses "t_kb" and "t_kD"
1818  * directly.
1819  */
1820 #ifdef FEAT_GUI
1821     if (!gui.in_use)
1822 #endif
1823     {
1824 	bs_p = find_termcode((char_u *)"kb");
1825 	del_p = find_termcode((char_u *)"kD");
1826 	if (bs_p == NULL || *bs_p == NUL)
1827 	    add_termcode((char_u *)"kb", (bs_p = (char_u *)CTRL_H_STR), FALSE);
1828 	if ((del_p == NULL || *del_p == NUL) &&
1829 					    (bs_p == NULL || *bs_p != DEL))
1830 	    add_termcode((char_u *)"kD", (char_u *)DEL_STR, FALSE);
1831     }
1832 
1833 #if defined(UNIX) || defined(VMS)
1834     term_is_xterm = vim_is_xterm(term);
1835 #endif
1836 
1837 #ifdef FEAT_MOUSE
1838 # if defined(UNIX) || defined(VMS)
1839 #  ifdef FEAT_MOUSE_TTY
1840     /*
1841      * For Unix, set the 'ttymouse' option to the type of mouse to be used.
1842      * The termcode for the mouse is added as a side effect in option.c.
1843      */
1844     {
1845 	char_u	*p = (char_u *)"";
1846 
1847 #  ifdef FEAT_MOUSE_XTERM
1848 	if (use_xterm_like_mouse(term))
1849 	{
1850 	    if (use_xterm_mouse())
1851 		p = NULL;	/* keep existing value, might be "xterm2" */
1852 	    else
1853 		p = (char_u *)"xterm";
1854 	}
1855 #  endif
1856 	if (p != NULL)
1857 	{
1858 	    set_option_value((char_u *)"ttym", 0L, p, 0);
1859 	    /* Reset the WAS_SET flag, 'ttymouse' can be set to "sgr" or
1860 	     * "xterm2" in check_termcode(). */
1861 	    reset_option_was_set((char_u *)"ttym");
1862 	}
1863 	if (p == NULL
1864 #   ifdef FEAT_GUI
1865 		|| gui.in_use
1866 #   endif
1867 		)
1868 	    check_mouse_termcode();	/* set mouse termcode anyway */
1869     }
1870 #  endif
1871 # else
1872     set_mouse_termcode(KS_MOUSE, (char_u *)"\233M");
1873 # endif
1874 #endif	/* FEAT_MOUSE */
1875 
1876 #ifdef USE_TERM_CONSOLE
1877     /* DEFAULT_TERM indicates that it is the machine console. */
1878     if (STRCMP(term, DEFAULT_TERM) != 0)
1879 	term_console = FALSE;
1880     else
1881     {
1882 	term_console = TRUE;
1883 # ifdef AMIGA
1884 	win_resize_on();	/* enable window resizing reports */
1885 # endif
1886     }
1887 #endif
1888 
1889 #if defined(UNIX) || defined(VMS)
1890     /*
1891      * 'ttyfast' is default on for xterm, iris-ansi and a few others.
1892      */
1893     if (vim_is_fastterm(term))
1894 	p_tf = TRUE;
1895 #endif
1896 #ifdef USE_TERM_CONSOLE
1897     /*
1898      * 'ttyfast' is default on consoles
1899      */
1900     if (term_console)
1901 	p_tf = TRUE;
1902 #endif
1903 
1904     ttest(TRUE);	/* make sure we have a valid set of terminal codes */
1905 
1906     full_screen = TRUE;		/* we can use termcap codes from now on */
1907     set_term_defaults();	/* use current values as defaults */
1908 #ifdef FEAT_TERMRESPONSE
1909     LOG_TR("setting crv_status to CRV_GET");
1910     crv_status = CRV_GET;	/* Get terminal version later */
1911 #endif
1912 
1913     /*
1914      * Initialize the terminal with the appropriate termcap codes.
1915      * Set the mouse and window title if possible.
1916      * Don't do this when starting, need to parse the .vimrc first, because it
1917      * may redefine t_TI etc.
1918      */
1919     if (starting != NO_SCREEN)
1920     {
1921 	starttermcap();		/* may change terminal mode */
1922 #ifdef FEAT_MOUSE
1923 	setmouse();		/* may start using the mouse */
1924 #endif
1925 #ifdef FEAT_TITLE
1926 	maketitle();		/* may display window title */
1927 #endif
1928     }
1929 
1930 	/* display initial screen after ttest() checking. jw. */
1931     if (width <= 0 || height <= 0)
1932     {
1933 	/* termcap failed to report size */
1934 	/* set defaults, in case ui_get_shellsize() also fails */
1935 	width = 80;
1936 #if defined(WIN3264)
1937 	height = 25;	    /* console is often 25 lines */
1938 #else
1939 	height = 24;	    /* most terminals are 24 lines */
1940 #endif
1941     }
1942     set_shellsize(width, height, FALSE);	/* may change Rows */
1943     if (starting != NO_SCREEN)
1944     {
1945 	if (scroll_region)
1946 	    scroll_region_reset();		/* In case Rows changed */
1947 	check_map_keycodes();	/* check mappings for terminal codes used */
1948 
1949 #ifdef FEAT_AUTOCMD
1950 	{
1951 	    bufref_T	old_curbuf;
1952 
1953 	    /*
1954 	     * Execute the TermChanged autocommands for each buffer that is
1955 	     * loaded.
1956 	     */
1957 	    set_bufref(&old_curbuf, curbuf);
1958 	    FOR_ALL_BUFFERS(curbuf)
1959 	    {
1960 		if (curbuf->b_ml.ml_mfp != NULL)
1961 		    apply_autocmds(EVENT_TERMCHANGED, NULL, NULL, FALSE,
1962 								      curbuf);
1963 	    }
1964 	    if (bufref_valid(&old_curbuf))
1965 		curbuf = old_curbuf.br_buf;
1966 	}
1967 #endif
1968     }
1969 
1970 #ifdef FEAT_TERMRESPONSE
1971     may_req_termresponse();
1972 #endif
1973 
1974     return OK;
1975 }
1976 
1977 #if defined(FEAT_MOUSE) || defined(PROTO)
1978 
1979 # ifdef FEAT_MOUSE_TTY
1980 #  define HMT_NORMAL	1
1981 #  define HMT_NETTERM	2
1982 #  define HMT_DEC	4
1983 #  define HMT_JSBTERM	8
1984 #  define HMT_PTERM	16
1985 #  define HMT_URXVT	32
1986 #  define HMT_SGR	64
1987 #  define HMT_SGR_REL	128
1988 static int has_mouse_termcode = 0;
1989 # endif
1990 
1991 # if (!defined(UNIX) || defined(FEAT_MOUSE_TTY)) || defined(PROTO)
1992     void
1993 set_mouse_termcode(
1994     int		n,	/* KS_MOUSE, KS_NETTERM_MOUSE or KS_DEC_MOUSE */
1995     char_u	*s)
1996 {
1997     char_u	name[2];
1998 
1999     name[0] = n;
2000     name[1] = KE_FILLER;
2001     add_termcode(name, s, FALSE);
2002 #  ifdef FEAT_MOUSE_TTY
2003 #   ifdef FEAT_MOUSE_JSB
2004     if (n == KS_JSBTERM_MOUSE)
2005 	has_mouse_termcode |= HMT_JSBTERM;
2006     else
2007 #   endif
2008 #   ifdef FEAT_MOUSE_NET
2009     if (n == KS_NETTERM_MOUSE)
2010 	has_mouse_termcode |= HMT_NETTERM;
2011     else
2012 #   endif
2013 #   ifdef FEAT_MOUSE_DEC
2014     if (n == KS_DEC_MOUSE)
2015 	has_mouse_termcode |= HMT_DEC;
2016     else
2017 #   endif
2018 #   ifdef FEAT_MOUSE_PTERM
2019     if (n == KS_PTERM_MOUSE)
2020 	has_mouse_termcode |= HMT_PTERM;
2021     else
2022 #   endif
2023 #   ifdef FEAT_MOUSE_URXVT
2024     if (n == KS_URXVT_MOUSE)
2025 	has_mouse_termcode |= HMT_URXVT;
2026     else
2027 #   endif
2028 #   ifdef FEAT_MOUSE_SGR
2029     if (n == KS_SGR_MOUSE)
2030 	has_mouse_termcode |= HMT_SGR;
2031     else if (n == KS_SGR_MOUSE_RELEASE)
2032 	has_mouse_termcode |= HMT_SGR_REL;
2033     else
2034 #   endif
2035 	has_mouse_termcode |= HMT_NORMAL;
2036 #  endif
2037 }
2038 # endif
2039 
2040 # if ((defined(UNIX) || defined(VMS)) \
2041 	&& defined(FEAT_MOUSE_TTY)) || defined(PROTO)
2042     void
2043 del_mouse_termcode(
2044     int		n)	/* KS_MOUSE, KS_NETTERM_MOUSE or KS_DEC_MOUSE */
2045 {
2046     char_u	name[2];
2047 
2048     name[0] = n;
2049     name[1] = KE_FILLER;
2050     del_termcode(name);
2051 #  ifdef FEAT_MOUSE_TTY
2052 #   ifdef FEAT_MOUSE_JSB
2053     if (n == KS_JSBTERM_MOUSE)
2054 	has_mouse_termcode &= ~HMT_JSBTERM;
2055     else
2056 #   endif
2057 #   ifdef FEAT_MOUSE_NET
2058     if (n == KS_NETTERM_MOUSE)
2059 	has_mouse_termcode &= ~HMT_NETTERM;
2060     else
2061 #   endif
2062 #   ifdef FEAT_MOUSE_DEC
2063     if (n == KS_DEC_MOUSE)
2064 	has_mouse_termcode &= ~HMT_DEC;
2065     else
2066 #   endif
2067 #   ifdef FEAT_MOUSE_PTERM
2068     if (n == KS_PTERM_MOUSE)
2069 	has_mouse_termcode &= ~HMT_PTERM;
2070     else
2071 #   endif
2072 #   ifdef FEAT_MOUSE_URXVT
2073     if (n == KS_URXVT_MOUSE)
2074 	has_mouse_termcode &= ~HMT_URXVT;
2075     else
2076 #   endif
2077 #   ifdef FEAT_MOUSE_SGR
2078     if (n == KS_SGR_MOUSE)
2079 	has_mouse_termcode &= ~HMT_SGR;
2080     else if (n == KS_SGR_MOUSE_RELEASE)
2081 	has_mouse_termcode &= ~HMT_SGR_REL;
2082     else
2083 #   endif
2084 	has_mouse_termcode &= ~HMT_NORMAL;
2085 #  endif
2086 }
2087 # endif
2088 #endif
2089 
2090 #ifdef HAVE_TGETENT
2091 /*
2092  * Call tgetent()
2093  * Return error message if it fails, NULL if it's OK.
2094  */
2095     static char_u *
2096 tgetent_error(char_u *tbuf, char_u *term)
2097 {
2098     int	    i;
2099 
2100     i = TGETENT(tbuf, term);
2101     if (i < 0		    /* -1 is always an error */
2102 # ifdef TGETENT_ZERO_ERR
2103 	    || i == 0	    /* sometimes zero is also an error */
2104 # endif
2105        )
2106     {
2107 	/* On FreeBSD tputs() gets a SEGV after a tgetent() which fails.  Call
2108 	 * tgetent() with the always existing "dumb" entry to avoid a crash or
2109 	 * hang. */
2110 	(void)TGETENT(tbuf, "dumb");
2111 
2112 	if (i < 0)
2113 # ifdef TGETENT_ZERO_ERR
2114 	    return (char_u *)_("E557: Cannot open termcap file");
2115 	if (i == 0)
2116 # endif
2117 #ifdef TERMINFO
2118 	    return (char_u *)_("E558: Terminal entry not found in terminfo");
2119 #else
2120 	    return (char_u *)_("E559: Terminal entry not found in termcap");
2121 #endif
2122     }
2123     return NULL;
2124 }
2125 
2126 /*
2127  * Some versions of tgetstr() have been reported to return -1 instead of NULL.
2128  * Fix that here.
2129  */
2130     static char_u *
2131 vim_tgetstr(char *s, char_u **pp)
2132 {
2133     char	*p;
2134 
2135     p = tgetstr(s, (char **)pp);
2136     if (p == (char *)-1)
2137 	p = NULL;
2138     return (char_u *)p;
2139 }
2140 #endif /* HAVE_TGETENT */
2141 
2142 #if defined(HAVE_TGETENT) && (defined(UNIX) || defined(VMS) || defined(MACOS_X))
2143 /*
2144  * Get Columns and Rows from the termcap. Used after a window signal if the
2145  * ioctl() fails. It doesn't make sense to call tgetent each time if the "co"
2146  * and "li" entries never change. But on some systems this works.
2147  * Errors while getting the entries are ignored.
2148  */
2149     void
2150 getlinecol(
2151     long	*cp,	/* pointer to columns */
2152     long	*rp)	/* pointer to rows */
2153 {
2154     char_u	tbuf[TBUFSZ];
2155 
2156     if (T_NAME != NULL && *T_NAME != NUL && tgetent_error(tbuf, T_NAME) == NULL)
2157     {
2158 	if (*cp == 0)
2159 	    *cp = tgetnum("co");
2160 	if (*rp == 0)
2161 	    *rp = tgetnum("li");
2162     }
2163 }
2164 #endif /* defined(HAVE_TGETENT) && defined(UNIX) */
2165 
2166 /*
2167  * Get a string entry from the termcap and add it to the list of termcodes.
2168  * Used for <t_xx> special keys.
2169  * Give an error message for failure when not sourcing.
2170  * If force given, replace an existing entry.
2171  * Return FAIL if the entry was not found, OK if the entry was added.
2172  */
2173     int
2174 add_termcap_entry(char_u *name, int force)
2175 {
2176     char_u  *term;
2177     int	    key;
2178     struct builtin_term *termp;
2179 #ifdef HAVE_TGETENT
2180     char_u  *string;
2181     int	    i;
2182     int	    builtin_first;
2183     char_u  tbuf[TBUFSZ];
2184     char_u  tstrbuf[TBUFSZ];
2185     char_u  *tp = tstrbuf;
2186     char_u  *error_msg = NULL;
2187 #endif
2188 
2189 /*
2190  * If the GUI is running or will start in a moment, we only support the keys
2191  * that the GUI can produce.
2192  */
2193 #ifdef FEAT_GUI
2194     if (gui.in_use || gui.starting)
2195 	return gui_mch_haskey(name);
2196 #endif
2197 
2198     if (!force && find_termcode(name) != NULL)	    /* it's already there */
2199 	return OK;
2200 
2201     term = T_NAME;
2202     if (term == NULL || *term == NUL)	    /* 'term' not defined yet */
2203 	return FAIL;
2204 
2205     if (term_is_builtin(term))		    /* name starts with "builtin_" */
2206     {
2207 	term += 8;
2208 #ifdef HAVE_TGETENT
2209 	builtin_first = TRUE;
2210 #endif
2211     }
2212 #ifdef HAVE_TGETENT
2213     else
2214 	builtin_first = p_tbi;
2215 #endif
2216 
2217 #ifdef HAVE_TGETENT
2218 /*
2219  * We can get the entry from the builtin termcap and from the external one.
2220  * If 'ttybuiltin' is on or the terminal name starts with "builtin_", try
2221  * builtin termcap first.
2222  * If 'ttybuiltin' is off, try external termcap first.
2223  */
2224     for (i = 0; i < 2; ++i)
2225     {
2226 	if ((!builtin_first) == i)
2227 #endif
2228 	/*
2229 	 * Search in builtin termcap
2230 	 */
2231 	{
2232 	    termp = find_builtin_term(term);
2233 	    if (termp->bt_string != NULL)	/* found it */
2234 	    {
2235 		key = TERMCAP2KEY(name[0], name[1]);
2236 		while (termp->bt_entry != (int)KS_NAME)
2237 		{
2238 		    if ((int)termp->bt_entry == key)
2239 		    {
2240 			add_termcode(name, (char_u *)termp->bt_string,
2241 							  term_is_8bit(term));
2242 			return OK;
2243 		    }
2244 		    ++termp;
2245 		}
2246 	    }
2247 	}
2248 #ifdef HAVE_TGETENT
2249 	else
2250 	/*
2251 	 * Search in external termcap
2252 	 */
2253 	{
2254 	    error_msg = tgetent_error(tbuf, term);
2255 	    if (error_msg == NULL)
2256 	    {
2257 		string = TGETSTR((char *)name, &tp);
2258 		if (string != NULL && *string != NUL)
2259 		{
2260 		    add_termcode(name, string, FALSE);
2261 		    return OK;
2262 		}
2263 	    }
2264 	}
2265     }
2266 #endif
2267 
2268     if (sourcing_name == NULL)
2269     {
2270 #ifdef HAVE_TGETENT
2271 	if (error_msg != NULL)
2272 	    EMSG(error_msg);
2273 	else
2274 #endif
2275 	    EMSG2(_("E436: No \"%s\" entry in termcap"), name);
2276     }
2277     return FAIL;
2278 }
2279 
2280     static int
2281 term_is_builtin(char_u *name)
2282 {
2283     return (STRNCMP(name, "builtin_", (size_t)8) == 0);
2284 }
2285 
2286 /*
2287  * Return TRUE if terminal "name" uses CSI instead of <Esc>[.
2288  * Assume that the terminal is using 8-bit controls when the name contains
2289  * "8bit", like in "xterm-8bit".
2290  */
2291     int
2292 term_is_8bit(char_u *name)
2293 {
2294     return (detected_8bit || strstr((char *)name, "8bit") != NULL);
2295 }
2296 
2297 /*
2298  * Translate terminal control chars from 7-bit to 8-bit:
2299  * <Esc>[ -> CSI  <M_C_[>
2300  * <Esc>] -> OSC  <M-C-]>
2301  * <Esc>O -> <M-C-O>
2302  */
2303     static int
2304 term_7to8bit(char_u *p)
2305 {
2306     if (*p == ESC)
2307     {
2308 	if (p[1] == '[')
2309 	    return CSI;
2310 	if (p[1] == ']')
2311 	    return OSC;
2312 	if (p[1] == 'O')
2313 	    return 0x8f;
2314     }
2315     return 0;
2316 }
2317 
2318 #ifdef FEAT_GUI
2319     int
2320 term_is_gui(char_u *name)
2321 {
2322     return (STRCMP(name, "builtin_gui") == 0 || STRCMP(name, "gui") == 0);
2323 }
2324 #endif
2325 
2326 #if !defined(HAVE_TGETENT) || defined(AMIGA) || defined(PROTO)
2327 
2328     char_u *
2329 tltoa(unsigned long i)
2330 {
2331     static char_u buf[16];
2332     char_u	*p;
2333 
2334     p = buf + 15;
2335     *p = '\0';
2336     do
2337     {
2338 	--p;
2339 	*p = (char_u) (i % 10 + '0');
2340 	i /= 10;
2341     }
2342     while (i > 0 && p > buf);
2343     return p;
2344 }
2345 #endif
2346 
2347 #ifndef HAVE_TGETENT
2348 
2349 /*
2350  * minimal tgoto() implementation.
2351  * no padding and we only parse for %i %d and %+char
2352  */
2353 static char *tgoto(char *, int, int);
2354 
2355     static char *
2356 tgoto(char *cm, int x, int y)
2357 {
2358     static char buf[30];
2359     char *p, *s, *e;
2360 
2361     if (!cm)
2362 	return "OOPS";
2363     e = buf + 29;
2364     for (s = buf; s < e && *cm; cm++)
2365     {
2366 	if (*cm != '%')
2367 	{
2368 	    *s++ = *cm;
2369 	    continue;
2370 	}
2371 	switch (*++cm)
2372 	{
2373 	case 'd':
2374 	    p = (char *)tltoa((unsigned long)y);
2375 	    y = x;
2376 	    while (*p)
2377 		*s++ = *p++;
2378 	    break;
2379 	case 'i':
2380 	    x++;
2381 	    y++;
2382 	    break;
2383 	case '+':
2384 	    *s++ = (char)(*++cm + y);
2385 	    y = x;
2386 	    break;
2387 	case '%':
2388 	    *s++ = *cm;
2389 	    break;
2390 	default:
2391 	    return "OOPS";
2392 	}
2393     }
2394     *s = '\0';
2395     return buf;
2396 }
2397 
2398 #endif /* HAVE_TGETENT */
2399 
2400 /*
2401  * Set the terminal name and initialize the terminal options.
2402  * If "name" is NULL or empty, get the terminal name from the environment.
2403  * If that fails, use the default terminal name.
2404  */
2405     void
2406 termcapinit(char_u *name)
2407 {
2408     char_u	*term;
2409 
2410     if (name != NULL && *name == NUL)
2411 	name = NULL;	    /* empty name is equal to no name */
2412     term = name;
2413 
2414 #ifdef __BEOS__
2415     /*
2416      * TERM environment variable is normally set to 'ansi' on the Bebox;
2417      * Since the BeBox doesn't quite support full ANSI yet, we use our
2418      * own custom 'ansi-beos' termcap instead, unless the -T option has
2419      * been given on the command line.
2420      */
2421     if (term == NULL
2422 		 && strcmp((char *)mch_getenv((char_u *)"TERM"), "ansi") == 0)
2423 	term = DEFAULT_TERM;
2424 #endif
2425 #ifndef MSWIN
2426     if (term == NULL)
2427 	term = mch_getenv((char_u *)"TERM");
2428 #endif
2429     if (term == NULL || *term == NUL)
2430 	term = DEFAULT_TERM;
2431     set_string_option_direct((char_u *)"term", -1, term, OPT_FREE, 0);
2432 
2433     /* Set the default terminal name. */
2434     set_string_default("term", term);
2435     set_string_default("ttytype", term);
2436 
2437     /*
2438      * Avoid using "term" here, because the next mch_getenv() may overwrite it.
2439      */
2440     set_termname(T_NAME != NULL ? T_NAME : term);
2441 }
2442 
2443 /*
2444  * the number of calls to ui_write is reduced by using the buffer "out_buf"
2445  */
2446 #define OUT_SIZE	2047
2447 	    /* Add one to allow mch_write() in os_win32.c to append a NUL */
2448 static char_u		out_buf[OUT_SIZE + 1];
2449 static int		out_pos = 0;	/* number of chars in out_buf */
2450 
2451 /*
2452  * out_flush(): flush the output buffer
2453  */
2454     void
2455 out_flush(void)
2456 {
2457     int	    len;
2458 
2459     if (out_pos != 0)
2460     {
2461 	/* set out_pos to 0 before ui_write, to avoid recursiveness */
2462 	len = out_pos;
2463 	out_pos = 0;
2464 	ui_write(out_buf, len);
2465     }
2466 }
2467 
2468 #if defined(FEAT_MBYTE) || defined(PROTO)
2469 /*
2470  * Sometimes a byte out of a multi-byte character is written with out_char().
2471  * To avoid flushing half of the character, call this function first.
2472  */
2473     void
2474 out_flush_check(void)
2475 {
2476     if (enc_dbcs != 0 && out_pos >= OUT_SIZE - MB_MAXBYTES)
2477 	out_flush();
2478 }
2479 #endif
2480 
2481 #ifdef FEAT_GUI
2482 /*
2483  * out_trash(): Throw away the contents of the output buffer
2484  */
2485     void
2486 out_trash(void)
2487 {
2488     out_pos = 0;
2489 }
2490 #endif
2491 
2492 /*
2493  * out_char(c): put a byte into the output buffer.
2494  *		Flush it if it becomes full.
2495  * This should not be used for outputting text on the screen (use functions
2496  * like msg_puts() and screen_putchar() for that).
2497  */
2498     void
2499 out_char(unsigned c)
2500 {
2501 #if defined(UNIX) || defined(VMS) || defined(AMIGA) || defined(MACOS_X_UNIX)
2502     if (c == '\n')	/* turn LF into CR-LF (CRMOD doesn't seem to do this) */
2503 	out_char('\r');
2504 #endif
2505 
2506     out_buf[out_pos++] = c;
2507 
2508     /* For testing we flush each time. */
2509     if (out_pos >= OUT_SIZE || p_wd)
2510 	out_flush();
2511 }
2512 
2513 static void out_char_nf(unsigned);
2514 
2515 /*
2516  * out_char_nf(c): like out_char(), but don't flush when p_wd is set
2517  */
2518     static void
2519 out_char_nf(unsigned c)
2520 {
2521 #if defined(UNIX) || defined(VMS) || defined(AMIGA) || defined(MACOS_X_UNIX)
2522     if (c == '\n')	/* turn LF into CR-LF (CRMOD doesn't seem to do this) */
2523 	out_char_nf('\r');
2524 #endif
2525 
2526     out_buf[out_pos++] = c;
2527 
2528     if (out_pos >= OUT_SIZE)
2529 	out_flush();
2530 }
2531 
2532 #if defined(FEAT_TITLE) || defined(FEAT_MOUSE_TTY) || defined(FEAT_GUI) \
2533     || defined(FEAT_TERMRESPONSE) || defined(PROTO)
2534 /*
2535  * A never-padding out_str.
2536  * use this whenever you don't want to run the string through tputs.
2537  * tputs above is harmless, but tputs from the termcap library
2538  * is likely to strip off leading digits, that it mistakes for padding
2539  * information, and "%i", "%d", etc.
2540  * This should only be used for writing terminal codes, not for outputting
2541  * normal text (use functions like msg_puts() and screen_putchar() for that).
2542  */
2543     void
2544 out_str_nf(char_u *s)
2545 {
2546     if (out_pos > OUT_SIZE - 20)  /* avoid terminal strings being split up */
2547 	out_flush();
2548     while (*s)
2549 	out_char_nf(*s++);
2550 
2551     /* For testing we write one string at a time. */
2552     if (p_wd)
2553 	out_flush();
2554 }
2555 #endif
2556 
2557 /*
2558  * A conditional-flushing out_str, mainly for visualbell.
2559  * Handles a delay internally, because termlib may not respect the delay or do
2560  * it at the wrong time.
2561  * Note: Only for terminal strings.
2562  */
2563     void
2564 out_str_cf(char_u *s)
2565 {
2566     if (s != NULL && *s)
2567     {
2568 #ifdef HAVE_TGETENT
2569 	char_u *p;
2570 #endif
2571 
2572 #ifdef FEAT_GUI
2573 	/* Don't use tputs() when GUI is used, ncurses crashes. */
2574 	if (gui.in_use)
2575 	{
2576 	    out_str_nf(s);
2577 	    return;
2578 	}
2579 #endif
2580 	if (out_pos > OUT_SIZE - 20)
2581 	    out_flush();
2582 #ifdef HAVE_TGETENT
2583 	for (p = s; *s; ++s)
2584 	{
2585 	    /* flush just before delay command */
2586 	    if (*s == '$' && *(s + 1) == '<')
2587 	    {
2588 		char_u save_c = *s;
2589 		int duration = atoi((char *)s + 2);
2590 
2591 		*s = NUL;
2592 		tputs((char *)p, 1, TPUTSFUNCAST out_char_nf);
2593 		*s = save_c;
2594 		out_flush();
2595 # ifdef ELAPSED_FUNC
2596 		/* Only sleep here if we can limit this happening in
2597 		 * vim_beep(). */
2598 		p = vim_strchr(s, '>');
2599 		if (p == NULL || duration <= 0)
2600 		{
2601 		    /* can't parse the time, don't sleep here */
2602 		    p = s;
2603 		}
2604 		else
2605 		{
2606 		    ++p;
2607 		    do_sleep(duration);
2608 		}
2609 # else
2610 		/* Rely on the terminal library to sleep. */
2611 		p = s;
2612 # endif
2613 		break;
2614 	    }
2615 	}
2616 	tputs((char *)p, 1, TPUTSFUNCAST out_char_nf);
2617 #else
2618 	while (*s)
2619 	    out_char_nf(*s++);
2620 #endif
2621 
2622 	/* For testing we write one string at a time. */
2623 	if (p_wd)
2624 	    out_flush();
2625     }
2626 }
2627 
2628 /*
2629  * out_str(s): Put a character string a byte at a time into the output buffer.
2630  * If HAVE_TGETENT is defined use the termcap parser. (jw)
2631  * This should only be used for writing terminal codes, not for outputting
2632  * normal text (use functions like msg_puts() and screen_putchar() for that).
2633  */
2634     void
2635 out_str(char_u *s)
2636 {
2637     if (s != NULL && *s)
2638     {
2639 #ifdef FEAT_GUI
2640 	/* Don't use tputs() when GUI is used, ncurses crashes. */
2641 	if (gui.in_use)
2642 	{
2643 	    out_str_nf(s);
2644 	    return;
2645 	}
2646 #endif
2647 	/* avoid terminal strings being split up */
2648 	if (out_pos > OUT_SIZE - 20)
2649 	    out_flush();
2650 #ifdef HAVE_TGETENT
2651 	tputs((char *)s, 1, TPUTSFUNCAST out_char_nf);
2652 #else
2653 	while (*s)
2654 	    out_char_nf(*s++);
2655 #endif
2656 
2657 	/* For testing we write one string at a time. */
2658 	if (p_wd)
2659 	    out_flush();
2660     }
2661 }
2662 
2663 /*
2664  * cursor positioning using termcap parser. (jw)
2665  */
2666     void
2667 term_windgoto(int row, int col)
2668 {
2669     OUT_STR(tgoto((char *)T_CM, col, row));
2670 }
2671 
2672     void
2673 term_cursor_right(int i)
2674 {
2675     OUT_STR(tgoto((char *)T_CRI, 0, i));
2676 }
2677 
2678     void
2679 term_append_lines(int line_count)
2680 {
2681     OUT_STR(tgoto((char *)T_CAL, 0, line_count));
2682 }
2683 
2684     void
2685 term_delete_lines(int line_count)
2686 {
2687     OUT_STR(tgoto((char *)T_CDL, 0, line_count));
2688 }
2689 
2690 #if defined(HAVE_TGETENT) || defined(PROTO)
2691     void
2692 term_set_winpos(int x, int y)
2693 {
2694     /* Can't handle a negative value here */
2695     if (x < 0)
2696 	x = 0;
2697     if (y < 0)
2698 	y = 0;
2699     OUT_STR(tgoto((char *)T_CWP, y, x));
2700 }
2701 
2702 # if defined(FEAT_TERMRESPONSE) || defined(PROTO)
2703 /*
2704  * Return TRUE if we can request the terminal for a response.
2705  */
2706     static int
2707 can_get_termresponse()
2708 {
2709     return cur_tmode == TMODE_RAW
2710 	    && termcap_active
2711 # ifdef UNIX
2712 	    && (is_not_a_term() || (isatty(1) && isatty(read_cmd_fd)))
2713 # endif
2714 	    && p_ek;
2715 }
2716 
2717 static int winpos_x;
2718 static int winpos_y;
2719 static int waiting_for_winpos = FALSE;
2720 
2721 /*
2722  * Try getting the Vim window position from the terminal.
2723  * Returns OK or FAIL.
2724  */
2725     int
2726 term_get_winpos(int *x, int *y)
2727 {
2728     int count = 0;
2729 
2730     if (*T_CGP == NUL || !can_get_termresponse())
2731 	return FAIL;
2732     winpos_x = -1;
2733     winpos_y = -1;
2734     waiting_for_winpos = TRUE;
2735     OUT_STR(T_CGP);
2736     out_flush();
2737 
2738     /* Try reading the result for 100 msec. */
2739     while (count++ < 10)
2740     {
2741 	(void)vpeekc_nomap();
2742 	if (winpos_x >= 0 && winpos_y >= 0)
2743 	{
2744 	    *x = winpos_x;
2745 	    *y = winpos_y;
2746 	    waiting_for_winpos = FALSE;
2747 	    return OK;
2748 	}
2749 	ui_delay(10, FALSE);
2750     }
2751     waiting_for_winpos = FALSE;
2752     return FALSE;
2753 }
2754 # endif
2755 
2756     void
2757 term_set_winsize(int height, int width)
2758 {
2759     OUT_STR(tgoto((char *)T_CWS, width, height));
2760 }
2761 #endif
2762 
2763     void
2764 term_fg_color(int n)
2765 {
2766     /* Use "AF" termcap entry if present, "Sf" entry otherwise */
2767     if (*T_CAF)
2768 	term_color(T_CAF, n);
2769     else if (*T_CSF)
2770 	term_color(T_CSF, n);
2771 }
2772 
2773     void
2774 term_bg_color(int n)
2775 {
2776     /* Use "AB" termcap entry if present, "Sb" entry otherwise */
2777     if (*T_CAB)
2778 	term_color(T_CAB, n);
2779     else if (*T_CSB)
2780 	term_color(T_CSB, n);
2781 }
2782 
2783     static void
2784 term_color(char_u *s, int n)
2785 {
2786     char	buf[20];
2787     int i = 2;	/* index in s[] just after <Esc>[ or CSI */
2788 
2789     /* Special handling of 16 colors, because termcap can't handle it */
2790     /* Also accept "\e[3%dm" for TERMINFO, it is sometimes used */
2791     /* Also accept CSI instead of <Esc>[ */
2792     if (n >= 8 && t_colors >= 16
2793 	      && ((s[0] == ESC && s[1] == '[') || (s[0] == CSI && (i = 1) == 1))
2794 	      && s[i] != NUL
2795 	      && (STRCMP(s + i + 1, "%p1%dm") == 0
2796 		  || STRCMP(s + i + 1, "%dm") == 0)
2797 	      && (s[i] == '3' || s[i] == '4'))
2798     {
2799 #ifdef TERMINFO
2800 	char *format = "%s%s%%p1%%dm";
2801 #else
2802 	char *format = "%s%s%%dm";
2803 #endif
2804 	sprintf(buf, format,
2805 		i == 2 ? IF_EB("\033[", ESC_STR "[") : "\233",
2806 		s[i] == '3' ? (n >= 16 ? "38;5;" : "9")
2807 			    : (n >= 16 ? "48;5;" : "10"));
2808 	OUT_STR(tgoto(buf, 0, n >= 16 ? n : n - 8));
2809     }
2810     else
2811 	OUT_STR(tgoto((char *)s, 0, n));
2812 }
2813 
2814 #if defined(FEAT_TERMGUICOLORS) || defined(PROTO)
2815 
2816 #define RED(rgb)   (((long_u)(rgb) >> 16) & 0xFF)
2817 #define GREEN(rgb) (((long_u)(rgb) >>  8) & 0xFF)
2818 #define BLUE(rgb)  (((long_u)(rgb)      ) & 0xFF)
2819 
2820     static void
2821 term_rgb_color(char_u *s, guicolor_T rgb)
2822 {
2823 #define MAX_COLOR_STR_LEN 100
2824     char	buf[MAX_COLOR_STR_LEN];
2825 
2826     vim_snprintf(buf, MAX_COLOR_STR_LEN,
2827 				  (char *)s, RED(rgb), GREEN(rgb), BLUE(rgb));
2828     OUT_STR(buf);
2829 }
2830 
2831     void
2832 term_fg_rgb_color(guicolor_T rgb)
2833 {
2834     term_rgb_color(T_8F, rgb);
2835 }
2836 
2837     void
2838 term_bg_rgb_color(guicolor_T rgb)
2839 {
2840     term_rgb_color(T_8B, rgb);
2841 }
2842 #endif
2843 
2844 #if (defined(FEAT_TITLE) && (defined(UNIX) || defined(VMS) \
2845 	|| defined(MACOS_X))) || defined(PROTO)
2846 /*
2847  * Generic function to set window title, using t_ts and t_fs.
2848  */
2849     void
2850 term_settitle(char_u *title)
2851 {
2852     /* t_ts takes one argument: column in status line */
2853     OUT_STR(tgoto((char *)T_TS, 0, 0));	/* set title start */
2854     out_str_nf(title);
2855     out_str(T_FS);			/* set title end */
2856     out_flush();
2857 }
2858 #endif
2859 
2860 /*
2861  * Make sure we have a valid set or terminal options.
2862  * Replace all entries that are NULL by empty_option
2863  */
2864     void
2865 ttest(int pairs)
2866 {
2867     char_u *env_colors;
2868 
2869     check_options();		    /* make sure no options are NULL */
2870 
2871     /*
2872      * MUST have "cm": cursor motion.
2873      */
2874     if (*T_CM == NUL)
2875 	EMSG(_("E437: terminal capability \"cm\" required"));
2876 
2877     /*
2878      * if "cs" defined, use a scroll region, it's faster.
2879      */
2880     if (*T_CS != NUL)
2881 	scroll_region = TRUE;
2882     else
2883 	scroll_region = FALSE;
2884 
2885     if (pairs)
2886     {
2887 	/*
2888 	 * optional pairs
2889 	 */
2890 	/* TP goes to normal mode for TI (invert) and TB (bold) */
2891 	if (*T_ME == NUL)
2892 	    T_ME = T_MR = T_MD = T_MB = empty_option;
2893 	if (*T_SO == NUL || *T_SE == NUL)
2894 	    T_SO = T_SE = empty_option;
2895 	if (*T_US == NUL || *T_UE == NUL)
2896 	    T_US = T_UE = empty_option;
2897 	if (*T_CZH == NUL || *T_CZR == NUL)
2898 	    T_CZH = T_CZR = empty_option;
2899 
2900 	/* T_VE is needed even though T_VI is not defined */
2901 	if (*T_VE == NUL)
2902 	    T_VI = empty_option;
2903 
2904 	/* if 'mr' or 'me' is not defined use 'so' and 'se' */
2905 	if (*T_ME == NUL)
2906 	{
2907 	    T_ME = T_SE;
2908 	    T_MR = T_SO;
2909 	    T_MD = T_SO;
2910 	}
2911 
2912 	/* if 'so' or 'se' is not defined use 'mr' and 'me' */
2913 	if (*T_SO == NUL)
2914 	{
2915 	    T_SE = T_ME;
2916 	    if (*T_MR == NUL)
2917 		T_SO = T_MD;
2918 	    else
2919 		T_SO = T_MR;
2920 	}
2921 
2922 	/* if 'ZH' or 'ZR' is not defined use 'mr' and 'me' */
2923 	if (*T_CZH == NUL)
2924 	{
2925 	    T_CZR = T_ME;
2926 	    if (*T_MR == NUL)
2927 		T_CZH = T_MD;
2928 	    else
2929 		T_CZH = T_MR;
2930 	}
2931 
2932 	/* "Sb" and "Sf" come in pairs */
2933 	if (*T_CSB == NUL || *T_CSF == NUL)
2934 	{
2935 	    T_CSB = empty_option;
2936 	    T_CSF = empty_option;
2937 	}
2938 
2939 	/* "AB" and "AF" come in pairs */
2940 	if (*T_CAB == NUL || *T_CAF == NUL)
2941 	{
2942 	    T_CAB = empty_option;
2943 	    T_CAF = empty_option;
2944 	}
2945 
2946 	/* if 'Sb' and 'AB' are not defined, reset "Co" */
2947 	if (*T_CSB == NUL && *T_CAB == NUL)
2948 	    free_one_termoption(T_CCO);
2949 
2950 	/* Set 'weirdinvert' according to value of 't_xs' */
2951 	p_wiv = (*T_XS != NUL);
2952     }
2953     need_gather = TRUE;
2954 
2955     /* Set t_colors to the value of $COLORS or t_Co. */
2956     t_colors = atoi((char *)T_CCO);
2957     env_colors = mch_getenv((char_u *)"COLORS");
2958     if (env_colors != NULL && isdigit(*env_colors))
2959     {
2960 	int colors = atoi((char *)env_colors);
2961 
2962 	if (colors != t_colors)
2963 	    set_color_count(colors);
2964     }
2965 }
2966 
2967 #if (defined(FEAT_GUI) && (defined(FEAT_MENU) || !defined(USE_ON_FLY_SCROLL))) \
2968 	|| defined(PROTO)
2969 /*
2970  * Represent the given long_u as individual bytes, with the most significant
2971  * byte first, and store them in dst.
2972  */
2973     void
2974 add_long_to_buf(long_u val, char_u *dst)
2975 {
2976     int	    i;
2977     int	    shift;
2978 
2979     for (i = 1; i <= (int)sizeof(long_u); i++)
2980     {
2981 	shift = 8 * (sizeof(long_u) - i);
2982 	dst[i - 1] = (char_u) ((val >> shift) & 0xff);
2983     }
2984 }
2985 
2986 static int get_long_from_buf(char_u *buf, long_u *val);
2987 
2988 /*
2989  * Interpret the next string of bytes in buf as a long integer, with the most
2990  * significant byte first.  Note that it is assumed that buf has been through
2991  * inchar(), so that NUL and K_SPECIAL will be represented as three bytes each.
2992  * Puts result in val, and returns the number of bytes read from buf
2993  * (between sizeof(long_u) and 2 * sizeof(long_u)), or -1 if not enough bytes
2994  * were present.
2995  */
2996     static int
2997 get_long_from_buf(char_u *buf, long_u *val)
2998 {
2999     int	    len;
3000     char_u  bytes[sizeof(long_u)];
3001     int	    i;
3002     int	    shift;
3003 
3004     *val = 0;
3005     len = get_bytes_from_buf(buf, bytes, (int)sizeof(long_u));
3006     if (len != -1)
3007     {
3008 	for (i = 0; i < (int)sizeof(long_u); i++)
3009 	{
3010 	    shift = 8 * (sizeof(long_u) - 1 - i);
3011 	    *val += (long_u)bytes[i] << shift;
3012 	}
3013     }
3014     return len;
3015 }
3016 #endif
3017 
3018 #if defined(FEAT_GUI) \
3019     || (defined(FEAT_MOUSE) && (!defined(UNIX) || defined(FEAT_MOUSE_XTERM) \
3020 		|| defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)))
3021 /*
3022  * Read the next num_bytes bytes from buf, and store them in bytes.  Assume
3023  * that buf has been through inchar().	Returns the actual number of bytes used
3024  * from buf (between num_bytes and num_bytes*2), or -1 if not enough bytes were
3025  * available.
3026  */
3027     static int
3028 get_bytes_from_buf(char_u *buf, char_u *bytes, int num_bytes)
3029 {
3030     int	    len = 0;
3031     int	    i;
3032     char_u  c;
3033 
3034     for (i = 0; i < num_bytes; i++)
3035     {
3036 	if ((c = buf[len++]) == NUL)
3037 	    return -1;
3038 	if (c == K_SPECIAL)
3039 	{
3040 	    if (buf[len] == NUL || buf[len + 1] == NUL)	    /* cannot happen? */
3041 		return -1;
3042 	    if (buf[len++] == (int)KS_ZERO)
3043 		c = NUL;
3044 	    /* else it should be KS_SPECIAL; when followed by KE_FILLER c is
3045 	     * K_SPECIAL, or followed by KE_CSI and c must be CSI. */
3046 	    if (buf[len++] == (int)KE_CSI)
3047 		c = CSI;
3048 	}
3049 	else if (c == CSI && buf[len] == KS_EXTRA
3050 					       && buf[len + 1] == (int)KE_CSI)
3051 	    /* CSI is stored as CSI KS_SPECIAL KE_CSI to avoid confusion with
3052 	     * the start of a special key, see add_to_input_buf_csi(). */
3053 	    len += 2;
3054 	bytes[i] = c;
3055     }
3056     return len;
3057 }
3058 #endif
3059 
3060 /*
3061  * Check if the new shell size is valid, correct it if it's too small or way
3062  * too big.
3063  */
3064     void
3065 check_shellsize(void)
3066 {
3067     if (Rows < min_rows())	/* need room for one window and command line */
3068 	Rows = min_rows();
3069     limit_screen_size();
3070 }
3071 
3072 /*
3073  * Limit Rows and Columns to avoid an overflow in Rows * Columns.
3074  */
3075     void
3076 limit_screen_size(void)
3077 {
3078     if (Columns < MIN_COLUMNS)
3079 	Columns = MIN_COLUMNS;
3080     else if (Columns > 10000)
3081 	Columns = 10000;
3082     if (Rows > 1000)
3083 	Rows = 1000;
3084 }
3085 
3086 /*
3087  * Invoked just before the screen structures are going to be (re)allocated.
3088  */
3089     void
3090 win_new_shellsize(void)
3091 {
3092     static int	old_Rows = 0;
3093     static int	old_Columns = 0;
3094 
3095     if (old_Rows != Rows || old_Columns != Columns)
3096 	ui_new_shellsize();
3097     if (old_Rows != Rows)
3098     {
3099 	/* if 'window' uses the whole screen, keep it using that */
3100 	if (p_window == old_Rows - 1 || old_Rows == 0)
3101 	    p_window = Rows - 1;
3102 	old_Rows = Rows;
3103 	shell_new_rows();	/* update window sizes */
3104     }
3105     if (old_Columns != Columns)
3106     {
3107 	old_Columns = Columns;
3108 #ifdef FEAT_WINDOWS
3109 	shell_new_columns();	/* update window sizes */
3110 #endif
3111     }
3112 }
3113 
3114 /*
3115  * Call this function when the Vim shell has been resized in any way.
3116  * Will obtain the current size and redraw (also when size didn't change).
3117  */
3118     void
3119 shell_resized(void)
3120 {
3121     set_shellsize(0, 0, FALSE);
3122 }
3123 
3124 /*
3125  * Check if the shell size changed.  Handle a resize.
3126  * When the size didn't change, nothing happens.
3127  */
3128     void
3129 shell_resized_check(void)
3130 {
3131     int		old_Rows = Rows;
3132     int		old_Columns = Columns;
3133 
3134     if (!exiting
3135 #ifdef FEAT_GUI
3136 	    /* Do not get the size when executing a shell command during
3137 	     * startup. */
3138 	    && !gui.starting
3139 #endif
3140 	    )
3141     {
3142 	(void)ui_get_shellsize();
3143 	check_shellsize();
3144 	if (old_Rows != Rows || old_Columns != Columns)
3145 	    shell_resized();
3146     }
3147 }
3148 
3149 /*
3150  * Set size of the Vim shell.
3151  * If 'mustset' is TRUE, we must set Rows and Columns, do not get the real
3152  * window size (this is used for the :win command).
3153  * If 'mustset' is FALSE, we may try to get the real window size and if
3154  * it fails use 'width' and 'height'.
3155  */
3156     void
3157 set_shellsize(int width, int height, int mustset)
3158 {
3159     static int		busy = FALSE;
3160 
3161     /*
3162      * Avoid recursiveness, can happen when setting the window size causes
3163      * another window-changed signal.
3164      */
3165     if (busy)
3166 	return;
3167 
3168     if (width < 0 || height < 0)    /* just checking... */
3169 	return;
3170 
3171     if (State == HITRETURN || State == SETWSIZE)
3172     {
3173 	/* postpone the resizing */
3174 	State = SETWSIZE;
3175 	return;
3176     }
3177 
3178     /* curwin->w_buffer can be NULL when we are closing a window and the
3179      * buffer has already been closed and removing a scrollbar causes a resize
3180      * event. Don't resize then, it will happen after entering another buffer.
3181      */
3182     if (curwin->w_buffer == NULL)
3183 	return;
3184 
3185     ++busy;
3186 
3187 #ifdef AMIGA
3188     out_flush();	    /* must do this before mch_get_shellsize() for
3189 			       some obscure reason */
3190 #endif
3191 
3192     if (mustset || (ui_get_shellsize() == FAIL && height != 0))
3193     {
3194 	Rows = height;
3195 	Columns = width;
3196 	check_shellsize();
3197 	ui_set_shellsize(mustset);
3198     }
3199     else
3200 	check_shellsize();
3201 
3202     /* The window layout used to be adjusted here, but it now happens in
3203      * screenalloc() (also invoked from screenclear()).  That is because the
3204      * "busy" check above may skip this, but not screenalloc(). */
3205 
3206     if (State != ASKMORE && State != EXTERNCMD && State != CONFIRM)
3207 	screenclear();
3208     else
3209 	screen_start();	    /* don't know where cursor is now */
3210 
3211     if (starting != NO_SCREEN)
3212     {
3213 #ifdef FEAT_TITLE
3214 	maketitle();
3215 #endif
3216 	changed_line_abv_curs();
3217 	invalidate_botline();
3218 
3219 	/*
3220 	 * We only redraw when it's needed:
3221 	 * - While at the more prompt or executing an external command, don't
3222 	 *   redraw, but position the cursor.
3223 	 * - While editing the command line, only redraw that.
3224 	 * - in Ex mode, don't redraw anything.
3225 	 * - Otherwise, redraw right now, and position the cursor.
3226 	 * Always need to call update_screen() or screenalloc(), to make
3227 	 * sure Rows/Columns and the size of ScreenLines[] is correct!
3228 	 */
3229 	if (State == ASKMORE || State == EXTERNCMD || State == CONFIRM
3230 							     || exmode_active)
3231 	{
3232 	    screenalloc(FALSE);
3233 	    repeat_message();
3234 	}
3235 	else
3236 	{
3237 #ifdef FEAT_SCROLLBIND
3238 	    if (curwin->w_p_scb)
3239 		do_check_scrollbind(TRUE);
3240 #endif
3241 	    if (State & CMDLINE)
3242 	    {
3243 		update_screen(NOT_VALID);
3244 		redrawcmdline();
3245 	    }
3246 	    else
3247 	    {
3248 		update_topline();
3249 #if defined(FEAT_INS_EXPAND)
3250 		if (pum_visible())
3251 		{
3252 		    redraw_later(NOT_VALID);
3253 		    ins_compl_show_pum(); /* This includes the redraw. */
3254 		}
3255 		else
3256 #endif
3257 		    update_screen(NOT_VALID);
3258 		if (redrawing())
3259 		    setcursor();
3260 	    }
3261 	}
3262 	cursor_on();	    /* redrawing may have switched it off */
3263     }
3264     out_flush();
3265     --busy;
3266 }
3267 
3268 /*
3269  * Set the terminal to TMODE_RAW (for Normal mode) or TMODE_COOK (for external
3270  * commands and Ex mode).
3271  */
3272     void
3273 settmode(int tmode)
3274 {
3275 #ifdef FEAT_GUI
3276     /* don't set the term where gvim was started to any mode */
3277     if (gui.in_use)
3278 	return;
3279 #endif
3280 
3281     if (full_screen)
3282     {
3283 	/*
3284 	 * When returning after calling a shell we want to really set the
3285 	 * terminal to raw mode, even though we think it already is, because
3286 	 * the shell program may have reset the terminal mode.
3287 	 * When we think the terminal is normal, don't try to set it to
3288 	 * normal again, because that causes problems (logout!) on some
3289 	 * machines.
3290 	 */
3291 	if (tmode != TMODE_COOK || cur_tmode != TMODE_COOK)
3292 	{
3293 #ifdef FEAT_TERMRESPONSE
3294 # ifdef FEAT_GUI
3295 	    if (!gui.in_use && !gui.starting)
3296 # endif
3297 	    {
3298 		/* May need to check for T_CRV response and termcodes, it
3299 		 * doesn't work in Cooked mode, an external program may get
3300 		 * them. */
3301 		if (tmode != TMODE_RAW && (crv_status == CRV_SENT
3302 					 || u7_status == U7_SENT
3303 					 || rbg_status == RBG_SENT))
3304 		    (void)vpeekc_nomap();
3305 		check_for_codes_from_term();
3306 	    }
3307 #endif
3308 #ifdef FEAT_MOUSE_TTY
3309 	    if (tmode != TMODE_RAW)
3310 		mch_setmouse(FALSE);	/* switch mouse off */
3311 #endif
3312 	    if (tmode != TMODE_RAW)
3313 		out_str(T_BD);		/* disable bracketed paste mode */
3314 	    out_flush();
3315 	    mch_settmode(tmode);	/* machine specific function */
3316 	    cur_tmode = tmode;
3317 #ifdef FEAT_MOUSE
3318 	    if (tmode == TMODE_RAW)
3319 		setmouse();		/* may switch mouse on */
3320 #endif
3321 	    if (tmode == TMODE_RAW)
3322 		out_str(T_BE);		/* enable bracketed paste mode */
3323 	    out_flush();
3324 	}
3325 #ifdef FEAT_TERMRESPONSE
3326 	may_req_termresponse();
3327 #endif
3328     }
3329 }
3330 
3331     void
3332 starttermcap(void)
3333 {
3334     if (full_screen && !termcap_active)
3335     {
3336 	out_str(T_TI);			/* start termcap mode */
3337 	out_str(T_KS);			/* start "keypad transmit" mode */
3338 	out_str(T_BE);			/* enable bracketed paste mode */
3339 	out_flush();
3340 	termcap_active = TRUE;
3341 	screen_start();			/* don't know where cursor is now */
3342 #ifdef FEAT_TERMRESPONSE
3343 # ifdef FEAT_GUI
3344 	if (!gui.in_use && !gui.starting)
3345 # endif
3346 	{
3347 	    may_req_termresponse();
3348 	    /* Immediately check for a response.  If t_Co changes, we don't
3349 	     * want to redraw with wrong colors first. */
3350 	    if (crv_status == CRV_SENT)
3351 		check_for_codes_from_term();
3352 	}
3353 #endif
3354     }
3355 }
3356 
3357     void
3358 stoptermcap(void)
3359 {
3360     screen_stop_highlight();
3361     reset_cterm_colors();
3362     if (termcap_active)
3363     {
3364 #ifdef FEAT_TERMRESPONSE
3365 # ifdef FEAT_GUI
3366 	if (!gui.in_use && !gui.starting)
3367 # endif
3368 	{
3369 	    /* May need to discard T_CRV, T_U7 or T_RBG response. */
3370 	    if (crv_status == CRV_SENT || u7_status == U7_SENT
3371 						     || rbg_status == RBG_SENT)
3372 	    {
3373 # ifdef UNIX
3374 		/* Give the terminal a chance to respond. */
3375 		mch_delay(100L, FALSE);
3376 # endif
3377 # ifdef TCIFLUSH
3378 		/* Discard data received but not read. */
3379 		if (exiting)
3380 		    tcflush(fileno(stdin), TCIFLUSH);
3381 # endif
3382 	    }
3383 	    /* Check for termcodes first, otherwise an external program may
3384 	     * get them. */
3385 	    check_for_codes_from_term();
3386 	}
3387 #endif
3388 	out_str(T_BD);			/* disable bracketed paste mode */
3389 	out_str(T_KE);			/* stop "keypad transmit" mode */
3390 	out_flush();
3391 	termcap_active = FALSE;
3392 	cursor_on();			/* just in case it is still off */
3393 	out_str(T_TE);			/* stop termcap mode */
3394 	screen_start();			/* don't know where cursor is now */
3395 	out_flush();
3396     }
3397 }
3398 
3399 #if defined(FEAT_TERMRESPONSE) || defined(PROTO)
3400 /*
3401  * Request version string (for xterm) when needed.
3402  * Only do this after switching to raw mode, otherwise the result will be
3403  * echoed.
3404  * Only do this after startup has finished, to avoid that the response comes
3405  * while executing "-c !cmd" or even after "-c quit".
3406  * Only do this after termcap mode has been started, otherwise the codes for
3407  * the cursor keys may be wrong.
3408  * Only do this when 'esckeys' is on, otherwise the response causes trouble in
3409  * Insert mode.
3410  * On Unix only do it when both output and input are a tty (avoid writing
3411  * request to terminal while reading from a file).
3412  * The result is caught in check_termcode().
3413  */
3414     void
3415 may_req_termresponse(void)
3416 {
3417     if (crv_status == CRV_GET
3418 	    && can_get_termresponse()
3419 	    && starting == 0
3420 	    && *T_CRV != NUL)
3421     {
3422 	LOG_TR("Sending CRV");
3423 	out_str(T_CRV);
3424 	crv_status = CRV_SENT;
3425 	/* check for the characters now, otherwise they might be eaten by
3426 	 * get_keystroke() */
3427 	out_flush();
3428 	(void)vpeekc_nomap();
3429     }
3430 }
3431 
3432 # if defined(FEAT_MBYTE) || defined(PROTO)
3433 /*
3434  * Check how the terminal treats ambiguous character width (UAX #11).
3435  * First, we move the cursor to (1, 0) and print a test ambiguous character
3436  * \u25bd (WHITE DOWN-POINTING TRIANGLE) and query current cursor position.
3437  * If the terminal treats \u25bd as single width, the position is (1, 1),
3438  * or if it is treated as double width, that will be (1, 2).
3439  * This function has the side effect that changes cursor position, so
3440  * it must be called immediately after entering termcap mode.
3441  */
3442     void
3443 may_req_ambiguous_char_width(void)
3444 {
3445     if (u7_status == U7_GET
3446 	    && can_get_termresponse()
3447 	    && starting == 0
3448 	    && *T_U7 != NUL
3449 	    && !option_was_set((char_u *)"ambiwidth"))
3450     {
3451 	 char_u	buf[16];
3452 
3453 	 LOG_TR("Sending U7 request");
3454 	 /* Do this in the second row.  In the first row the returned sequence
3455 	  * may be CSI 1;2R, which is the same as <S-F3>. */
3456 	 term_windgoto(1, 0);
3457 	 buf[mb_char2bytes(0x25bd, buf)] = 0;
3458 	 out_str(buf);
3459 	 out_str(T_U7);
3460 	 u7_status = U7_SENT;
3461 	 out_flush();
3462 
3463 	 /* This overwrites a few characters on the screen, a redraw is needed
3464 	  * after this. Clear them out for now. */
3465 	 term_windgoto(1, 0);
3466 	 out_str((char_u *)"  ");
3467 	 term_windgoto(0, 0);
3468 
3469 	 /* check for the characters now, otherwise they might be eaten by
3470 	  * get_keystroke() */
3471 	 out_flush();
3472 	 (void)vpeekc_nomap();
3473     }
3474 }
3475 # endif
3476 
3477 /*
3478  * Similar to requesting the version string: Request the terminal background
3479  * color when it is the right moment.
3480  */
3481     void
3482 may_req_bg_color(void)
3483 {
3484     if (rbg_status == RBG_GET
3485 	    && can_get_termresponse()
3486 	    && starting == 0
3487 	    && *T_RBG != NUL
3488 	    && !option_was_set((char_u *)"bg"))
3489     {
3490 	LOG_TR("Sending BG request");
3491 	out_str(T_RBG);
3492 	rbg_status = RBG_SENT;
3493 	/* check for the characters now, otherwise they might be eaten by
3494 	 * get_keystroke() */
3495 	out_flush();
3496 	(void)vpeekc_nomap();
3497     }
3498 }
3499 
3500 # ifdef DEBUG_TERMRESPONSE
3501     static void
3502 log_tr(char *msg)
3503 {
3504     static FILE *fd_tr = NULL;
3505     static proftime_T start;
3506     proftime_T now;
3507 
3508     if (fd_tr == NULL)
3509     {
3510 	fd_tr = fopen("termresponse.log", "w");
3511 	profile_start(&start);
3512     }
3513     now = start;
3514     profile_end(&now);
3515     fprintf(fd_tr, "%s: %s %s\n",
3516 	    profile_msg(&now),
3517 	    must_redraw == NOT_VALID ? "NV"
3518 					 : must_redraw == CLEAR ? "CL" : "  ",
3519 	    msg);
3520 }
3521 # endif
3522 #endif
3523 
3524 /*
3525  * Return TRUE when saving and restoring the screen.
3526  */
3527     int
3528 swapping_screen(void)
3529 {
3530     return (full_screen && *T_TI != NUL);
3531 }
3532 
3533 #ifdef FEAT_MOUSE
3534 /*
3535  * setmouse() - switch mouse on/off depending on current mode and 'mouse'
3536  */
3537     void
3538 setmouse(void)
3539 {
3540 # ifdef FEAT_MOUSE_TTY
3541     int	    checkfor;
3542 # endif
3543 
3544 # ifdef FEAT_MOUSESHAPE
3545     update_mouseshape(-1);
3546 # endif
3547 
3548 # ifdef FEAT_MOUSE_TTY /* Should be outside proc, but may break MOUSESHAPE */
3549 #  ifdef FEAT_GUI
3550     /* In the GUI the mouse is always enabled. */
3551     if (gui.in_use)
3552 	return;
3553 #  endif
3554     /* be quick when mouse is off */
3555     if (*p_mouse == NUL || has_mouse_termcode == 0)
3556 	return;
3557 
3558     /* don't switch mouse on when not in raw mode (Ex mode) */
3559     if (cur_tmode != TMODE_RAW)
3560     {
3561 	mch_setmouse(FALSE);
3562 	return;
3563     }
3564 
3565     if (VIsual_active)
3566 	checkfor = MOUSE_VISUAL;
3567     else if (State == HITRETURN || State == ASKMORE || State == SETWSIZE)
3568 	checkfor = MOUSE_RETURN;
3569     else if (State & INSERT)
3570 	checkfor = MOUSE_INSERT;
3571     else if (State & CMDLINE)
3572 	checkfor = MOUSE_COMMAND;
3573     else if (State == CONFIRM || State == EXTERNCMD)
3574 	checkfor = ' '; /* don't use mouse for ":confirm" or ":!cmd" */
3575     else
3576 	checkfor = MOUSE_NORMAL;    /* assume normal mode */
3577 
3578     if (mouse_has(checkfor))
3579 	mch_setmouse(TRUE);
3580     else
3581 	mch_setmouse(FALSE);
3582 # endif
3583 }
3584 
3585 /*
3586  * Return TRUE if
3587  * - "c" is in 'mouse', or
3588  * - 'a' is in 'mouse' and "c" is in MOUSE_A, or
3589  * - the current buffer is a help file and 'h' is in 'mouse' and we are in a
3590  *   normal editing mode (not at hit-return message).
3591  */
3592     int
3593 mouse_has(int c)
3594 {
3595     char_u	*p;
3596 
3597     for (p = p_mouse; *p; ++p)
3598 	switch (*p)
3599 	{
3600 	    case 'a': if (vim_strchr((char_u *)MOUSE_A, c) != NULL)
3601 			  return TRUE;
3602 		      break;
3603 	    case MOUSE_HELP: if (c != MOUSE_RETURN && curbuf->b_help)
3604 				 return TRUE;
3605 			     break;
3606 	    default: if (c == *p) return TRUE; break;
3607 	}
3608     return FALSE;
3609 }
3610 
3611 /*
3612  * Return TRUE when 'mousemodel' is set to "popup" or "popup_setpos".
3613  */
3614     int
3615 mouse_model_popup(void)
3616 {
3617     return (p_mousem[0] == 'p');
3618 }
3619 #endif
3620 
3621 /*
3622  * By outputting the 'cursor very visible' termcap code, for some windowed
3623  * terminals this makes the screen scrolled to the correct position.
3624  * Used when starting Vim or returning from a shell.
3625  */
3626     void
3627 scroll_start(void)
3628 {
3629     if (*T_VS != NUL)
3630     {
3631 	out_str(T_VS);
3632 	out_str(T_VE);
3633 	screen_start();			/* don't know where cursor is now */
3634     }
3635 }
3636 
3637 static int cursor_is_off = FALSE;
3638 
3639 /*
3640  * Enable the cursor.
3641  */
3642     void
3643 cursor_on(void)
3644 {
3645     if (cursor_is_off)
3646     {
3647 	out_str(T_VE);
3648 	cursor_is_off = FALSE;
3649     }
3650 }
3651 
3652 /*
3653  * Disable the cursor.
3654  */
3655     void
3656 cursor_off(void)
3657 {
3658     if (full_screen)
3659     {
3660 	if (!cursor_is_off)
3661 	    out_str(T_VI);	    /* disable cursor */
3662 	cursor_is_off = TRUE;
3663     }
3664 }
3665 
3666 #if defined(CURSOR_SHAPE) || defined(PROTO)
3667 /*
3668  * Set cursor shape to match Insert or Replace mode.
3669  */
3670     void
3671 term_cursor_mode(int forced)
3672 {
3673     static int showing_mode = NORMAL;
3674     char_u *p;
3675 
3676     /* Only do something when redrawing the screen and we can restore the
3677      * mode. */
3678     if (!full_screen || *T_CEI == NUL)
3679 	return;
3680 
3681     if ((State & REPLACE) == REPLACE)
3682     {
3683 	if (forced || showing_mode != REPLACE)
3684 	{
3685 	    if (*T_CSR != NUL)
3686 		p = T_CSR;	/* Replace mode cursor */
3687 	    else
3688 		p = T_CSI;	/* fall back to Insert mode cursor */
3689 	    if (*p != NUL)
3690 	    {
3691 		out_str(p);
3692 		showing_mode = REPLACE;
3693 	    }
3694 	}
3695     }
3696     else if (State & INSERT)
3697     {
3698 	if ((forced || showing_mode != INSERT) && *T_CSI != NUL)
3699 	{
3700 	    out_str(T_CSI);	    /* Insert mode cursor */
3701 	    showing_mode = INSERT;
3702 	}
3703     }
3704     else if (forced || showing_mode != NORMAL)
3705     {
3706 	out_str(T_CEI);		    /* non-Insert mode cursor */
3707 	showing_mode = NORMAL;
3708     }
3709 }
3710 
3711 # if defined(FEAT_TERMINAL) || defined(PROTO)
3712     void
3713 term_cursor_color(char_u *color)
3714 {
3715     if (*T_CSC != NUL)
3716     {
3717 	out_str(T_CSC);			/* set cursor color start */
3718 	out_str_nf(color);
3719 	out_str(T_CEC);			/* set cursor color end */
3720 	out_flush();
3721     }
3722 }
3723 
3724     void
3725 term_cursor_blink(int blink)
3726 {
3727     if (blink)
3728 	out_str(T_VS);
3729     else
3730 	out_str(T_VE);
3731     out_flush();
3732 }
3733 
3734 /*
3735  * "shape" == 1: block, "shape" == 2: underline, "shape" == 3: vertical bar
3736  */
3737     void
3738 term_cursor_shape(int shape, int blink)
3739 {
3740     if (*T_CSH != NUL)
3741     {
3742 	OUT_STR(tgoto((char *)T_CSH, 0, shape * 2 - blink));
3743 	out_flush();
3744     }
3745 }
3746 # endif
3747 #endif
3748 
3749 /*
3750  * Set scrolling region for window 'wp'.
3751  * The region starts 'off' lines from the start of the window.
3752  * Also set the vertical scroll region for a vertically split window.  Always
3753  * the full width of the window, excluding the vertical separator.
3754  */
3755     void
3756 scroll_region_set(win_T *wp, int off)
3757 {
3758     OUT_STR(tgoto((char *)T_CS, W_WINROW(wp) + wp->w_height - 1,
3759 							 W_WINROW(wp) + off));
3760 #ifdef FEAT_WINDOWS
3761     if (*T_CSV != NUL && wp->w_width != Columns)
3762 	OUT_STR(tgoto((char *)T_CSV, W_WINCOL(wp) + wp->w_width - 1,
3763 							       W_WINCOL(wp)));
3764 #endif
3765     screen_start();		    /* don't know where cursor is now */
3766 }
3767 
3768 /*
3769  * Reset scrolling region to the whole screen.
3770  */
3771     void
3772 scroll_region_reset(void)
3773 {
3774     OUT_STR(tgoto((char *)T_CS, (int)Rows - 1, 0));
3775 #ifdef FEAT_WINDOWS
3776     if (*T_CSV != NUL)
3777 	OUT_STR(tgoto((char *)T_CSV, (int)Columns - 1, 0));
3778 #endif
3779     screen_start();		    /* don't know where cursor is now */
3780 }
3781 
3782 
3783 /*
3784  * List of terminal codes that are currently recognized.
3785  */
3786 
3787 static struct termcode
3788 {
3789     char_u  name[2];	    /* termcap name of entry */
3790     char_u  *code;	    /* terminal code (in allocated memory) */
3791     int	    len;	    /* STRLEN(code) */
3792     int	    modlen;	    /* length of part before ";*~". */
3793 } *termcodes = NULL;
3794 
3795 static int  tc_max_len = 0; /* number of entries that termcodes[] can hold */
3796 static int  tc_len = 0;	    /* current number of entries in termcodes[] */
3797 
3798 static int termcode_star(char_u *code, int len);
3799 
3800     void
3801 clear_termcodes(void)
3802 {
3803     while (tc_len > 0)
3804 	vim_free(termcodes[--tc_len].code);
3805     vim_free(termcodes);
3806     termcodes = NULL;
3807     tc_max_len = 0;
3808 
3809 #ifdef HAVE_TGETENT
3810     BC = (char *)empty_option;
3811     UP = (char *)empty_option;
3812     PC = NUL;			/* set pad character to NUL */
3813     ospeed = 0;
3814 #endif
3815 
3816     need_gather = TRUE;		/* need to fill termleader[] */
3817 }
3818 
3819 #define ATC_FROM_TERM 55
3820 
3821 /*
3822  * Add a new entry to the list of terminal codes.
3823  * The list is kept alphabetical for ":set termcap"
3824  * "flags" is TRUE when replacing 7-bit by 8-bit controls is desired.
3825  * "flags" can also be ATC_FROM_TERM for got_code_from_term().
3826  */
3827     void
3828 add_termcode(char_u *name, char_u *string, int flags)
3829 {
3830     struct termcode *new_tc;
3831     int		    i, j;
3832     char_u	    *s;
3833     int		    len;
3834 
3835     if (string == NULL || *string == NUL)
3836     {
3837 	del_termcode(name);
3838 	return;
3839     }
3840 
3841 #if defined(WIN3264) && !defined(FEAT_GUI)
3842     s = vim_strnsave(string, (int)STRLEN(string) + 1);
3843 #else
3844     s = vim_strsave(string);
3845 #endif
3846     if (s == NULL)
3847 	return;
3848 
3849     /* Change leading <Esc>[ to CSI, change <Esc>O to <M-O>. */
3850     if (flags != 0 && flags != ATC_FROM_TERM && term_7to8bit(string) != 0)
3851     {
3852 	STRMOVE(s, s + 1);
3853 	s[0] = term_7to8bit(string);
3854     }
3855 
3856 #if defined(WIN3264) && !defined(FEAT_GUI)
3857     if (s[0] == K_NUL)
3858     {
3859 	STRMOVE(s + 1, s);
3860 	s[1] = 3;
3861     }
3862 #endif
3863 
3864     len = (int)STRLEN(s);
3865 
3866     need_gather = TRUE;		/* need to fill termleader[] */
3867 
3868     /*
3869      * need to make space for more entries
3870      */
3871     if (tc_len == tc_max_len)
3872     {
3873 	tc_max_len += 20;
3874 	new_tc = (struct termcode *)alloc(
3875 			    (unsigned)(tc_max_len * sizeof(struct termcode)));
3876 	if (new_tc == NULL)
3877 	{
3878 	    tc_max_len -= 20;
3879 	    return;
3880 	}
3881 	for (i = 0; i < tc_len; ++i)
3882 	    new_tc[i] = termcodes[i];
3883 	vim_free(termcodes);
3884 	termcodes = new_tc;
3885     }
3886 
3887     /*
3888      * Look for existing entry with the same name, it is replaced.
3889      * Look for an existing entry that is alphabetical higher, the new entry
3890      * is inserted in front of it.
3891      */
3892     for (i = 0; i < tc_len; ++i)
3893     {
3894 	if (termcodes[i].name[0] < name[0])
3895 	    continue;
3896 	if (termcodes[i].name[0] == name[0])
3897 	{
3898 	    if (termcodes[i].name[1] < name[1])
3899 		continue;
3900 	    /*
3901 	     * Exact match: May replace old code.
3902 	     */
3903 	    if (termcodes[i].name[1] == name[1])
3904 	    {
3905 		if (flags == ATC_FROM_TERM && (j = termcode_star(
3906 				    termcodes[i].code, termcodes[i].len)) > 0)
3907 		{
3908 		    /* Don't replace ESC[123;*X or ESC O*X with another when
3909 		     * invoked from got_code_from_term(). */
3910 		    if (len == termcodes[i].len - j
3911 			    && STRNCMP(s, termcodes[i].code, len - 1) == 0
3912 			    && s[len - 1]
3913 				   == termcodes[i].code[termcodes[i].len - 1])
3914 		    {
3915 			/* They are equal but for the ";*": don't add it. */
3916 			vim_free(s);
3917 			return;
3918 		    }
3919 		}
3920 		else
3921 		{
3922 		    /* Replace old code. */
3923 		    vim_free(termcodes[i].code);
3924 		    --tc_len;
3925 		    break;
3926 		}
3927 	    }
3928 	}
3929 	/*
3930 	 * Found alphabetical larger entry, move rest to insert new entry
3931 	 */
3932 	for (j = tc_len; j > i; --j)
3933 	    termcodes[j] = termcodes[j - 1];
3934 	break;
3935     }
3936 
3937     termcodes[i].name[0] = name[0];
3938     termcodes[i].name[1] = name[1];
3939     termcodes[i].code = s;
3940     termcodes[i].len = len;
3941 
3942     /* For xterm we recognize special codes like "ESC[42;*X" and "ESC O*X" that
3943      * accept modifiers. */
3944     termcodes[i].modlen = 0;
3945     j = termcode_star(s, len);
3946     if (j > 0)
3947 	termcodes[i].modlen = len - 1 - j;
3948     ++tc_len;
3949 }
3950 
3951 /*
3952  * Check termcode "code[len]" for ending in ;*X or *X.
3953  * The "X" can be any character.
3954  * Return 0 if not found, 2 for ;*X and 1 for *X.
3955  */
3956     static int
3957 termcode_star(char_u *code, int len)
3958 {
3959     /* Shortest is <M-O>*X.  With ; shortest is <CSI>1;*X */
3960     if (len >= 3 && code[len - 2] == '*')
3961     {
3962 	if (len >= 5 && code[len - 3] == ';')
3963 	    return 2;
3964 	else
3965 	    return 1;
3966     }
3967     return 0;
3968 }
3969 
3970     char_u  *
3971 find_termcode(char_u *name)
3972 {
3973     int	    i;
3974 
3975     for (i = 0; i < tc_len; ++i)
3976 	if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1])
3977 	    return termcodes[i].code;
3978     return NULL;
3979 }
3980 
3981 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
3982     char_u *
3983 get_termcode(int i)
3984 {
3985     if (i >= tc_len)
3986 	return NULL;
3987     return &termcodes[i].name[0];
3988 }
3989 #endif
3990 
3991     void
3992 del_termcode(char_u *name)
3993 {
3994     int	    i;
3995 
3996     if (termcodes == NULL)	/* nothing there yet */
3997 	return;
3998 
3999     need_gather = TRUE;		/* need to fill termleader[] */
4000 
4001     for (i = 0; i < tc_len; ++i)
4002 	if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1])
4003 	{
4004 	    del_termcode_idx(i);
4005 	    return;
4006 	}
4007     /* not found. Give error message? */
4008 }
4009 
4010     static void
4011 del_termcode_idx(int idx)
4012 {
4013     int		i;
4014 
4015     vim_free(termcodes[idx].code);
4016     --tc_len;
4017     for (i = idx; i < tc_len; ++i)
4018 	termcodes[i] = termcodes[i + 1];
4019 }
4020 
4021 #ifdef FEAT_TERMRESPONSE
4022 /*
4023  * Called when detected that the terminal sends 8-bit codes.
4024  * Convert all 7-bit codes to their 8-bit equivalent.
4025  */
4026     static void
4027 switch_to_8bit(void)
4028 {
4029     int		i;
4030     int		c;
4031 
4032     /* Only need to do something when not already using 8-bit codes. */
4033     if (!term_is_8bit(T_NAME))
4034     {
4035 	for (i = 0; i < tc_len; ++i)
4036 	{
4037 	    c = term_7to8bit(termcodes[i].code);
4038 	    if (c != 0)
4039 	    {
4040 		STRMOVE(termcodes[i].code + 1, termcodes[i].code + 2);
4041 		termcodes[i].code[0] = c;
4042 	    }
4043 	}
4044 	need_gather = TRUE;		/* need to fill termleader[] */
4045     }
4046     detected_8bit = TRUE;
4047     LOG_TR("Switching to 8 bit");
4048 }
4049 #endif
4050 
4051 #ifdef CHECK_DOUBLE_CLICK
4052 static linenr_T orig_topline = 0;
4053 # ifdef FEAT_DIFF
4054 static int orig_topfill = 0;
4055 # endif
4056 #endif
4057 #if (defined(FEAT_WINDOWS) && defined(CHECK_DOUBLE_CLICK)) || defined(PROTO)
4058 /*
4059  * Checking for double clicks ourselves.
4060  * "orig_topline" is used to avoid detecting a double-click when the window
4061  * contents scrolled (e.g., when 'scrolloff' is non-zero).
4062  */
4063 /*
4064  * Set orig_topline.  Used when jumping to another window, so that a double
4065  * click still works.
4066  */
4067     void
4068 set_mouse_topline(win_T *wp)
4069 {
4070     orig_topline = wp->w_topline;
4071 # ifdef FEAT_DIFF
4072     orig_topfill = wp->w_topfill;
4073 # endif
4074 }
4075 #endif
4076 
4077 /*
4078  * Check if typebuf.tb_buf[] contains a terminal key code.
4079  * Check from typebuf.tb_buf[typebuf.tb_off] to typebuf.tb_buf[typebuf.tb_off
4080  * + max_offset].
4081  * Return 0 for no match, -1 for partial match, > 0 for full match.
4082  * Return KEYLEN_REMOVED when a key code was deleted.
4083  * With a match, the match is removed, the replacement code is inserted in
4084  * typebuf.tb_buf[] and the number of characters in typebuf.tb_buf[] is
4085  * returned.
4086  * When "buf" is not NULL, buf[bufsize] is used instead of typebuf.tb_buf[].
4087  * "buflen" is then the length of the string in buf[] and is updated for
4088  * inserts and deletes.
4089  */
4090     int
4091 check_termcode(
4092     int		max_offset,
4093     char_u	*buf,
4094     int		bufsize,
4095     int		*buflen)
4096 {
4097     char_u	*tp;
4098     char_u	*p;
4099     int		slen = 0;	/* init for GCC */
4100     int		modslen;
4101     int		len;
4102     int		retval = 0;
4103     int		offset;
4104     char_u	key_name[2];
4105     int		modifiers;
4106     char_u	*modifiers_start = NULL;
4107     int		key;
4108     int		new_slen;
4109     int		extra;
4110     char_u	string[MAX_KEY_CODE_LEN + 1];
4111     int		i, j;
4112     int		idx = 0;
4113 #ifdef FEAT_MOUSE
4114 # if !defined(UNIX) || defined(FEAT_MOUSE_XTERM) || defined(FEAT_GUI) \
4115     || defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)
4116     char_u	bytes[6];
4117     int		num_bytes;
4118 # endif
4119     int		mouse_code = 0;	    /* init for GCC */
4120     int		is_click, is_drag;
4121     int		wheel_code = 0;
4122     int		current_button;
4123     static int	held_button = MOUSE_RELEASE;
4124     static int	orig_num_clicks = 1;
4125     static int	orig_mouse_code = 0x0;
4126 # ifdef CHECK_DOUBLE_CLICK
4127     static int	orig_mouse_col = 0;
4128     static int	orig_mouse_row = 0;
4129     static struct timeval  orig_mouse_time = {0, 0};
4130 					/* time of previous mouse click */
4131     struct timeval  mouse_time;		/* time of current mouse click */
4132     long	timediff;		/* elapsed time in msec */
4133 # endif
4134 #endif
4135     int		cpo_koffset;
4136 #ifdef FEAT_MOUSE_GPM
4137     extern int	gpm_flag; /* gpm library variable */
4138 #endif
4139 
4140     cpo_koffset = (vim_strchr(p_cpo, CPO_KOFFSET) != NULL);
4141 
4142     /*
4143      * Speed up the checks for terminal codes by gathering all first bytes
4144      * used in termleader[].  Often this is just a single <Esc>.
4145      */
4146     if (need_gather)
4147 	gather_termleader();
4148 
4149     /*
4150      * Check at several positions in typebuf.tb_buf[], to catch something like
4151      * "x<Up>" that can be mapped. Stop at max_offset, because characters
4152      * after that cannot be used for mapping, and with @r commands
4153      * typebuf.tb_buf[] can become very long.
4154      * This is used often, KEEP IT FAST!
4155      */
4156     for (offset = 0; offset < max_offset; ++offset)
4157     {
4158 	if (buf == NULL)
4159 	{
4160 	    if (offset >= typebuf.tb_len)
4161 		break;
4162 	    tp = typebuf.tb_buf + typebuf.tb_off + offset;
4163 	    len = typebuf.tb_len - offset;	/* length of the input */
4164 	}
4165 	else
4166 	{
4167 	    if (offset >= *buflen)
4168 		break;
4169 	    tp = buf + offset;
4170 	    len = *buflen - offset;
4171 	}
4172 
4173 	/*
4174 	 * Don't check characters after K_SPECIAL, those are already
4175 	 * translated terminal chars (avoid translating ~@^Hx).
4176 	 */
4177 	if (*tp == K_SPECIAL)
4178 	{
4179 	    offset += 2;	/* there are always 2 extra characters */
4180 	    continue;
4181 	}
4182 
4183 	/*
4184 	 * Skip this position if the character does not appear as the first
4185 	 * character in term_strings. This speeds up a lot, since most
4186 	 * termcodes start with the same character (ESC or CSI).
4187 	 */
4188 	i = *tp;
4189 	for (p = termleader; *p && *p != i; ++p)
4190 	    ;
4191 	if (*p == NUL)
4192 	    continue;
4193 
4194 	/*
4195 	 * Skip this position if p_ek is not set and tp[0] is an ESC and we
4196 	 * are in Insert mode.
4197 	 */
4198 	if (*tp == ESC && !p_ek && (State & INSERT))
4199 	    continue;
4200 
4201 	key_name[0] = NUL;	/* no key name found yet */
4202 	key_name[1] = NUL;	/* no key name found yet */
4203 	modifiers = 0;		/* no modifiers yet */
4204 
4205 #ifdef FEAT_GUI
4206 	if (gui.in_use)
4207 	{
4208 	    /*
4209 	     * GUI special key codes are all of the form [CSI xx].
4210 	     */
4211 	    if (*tp == CSI)	    /* Special key from GUI */
4212 	    {
4213 		if (len < 3)
4214 		    return -1;	    /* Shouldn't happen */
4215 		slen = 3;
4216 		key_name[0] = tp[1];
4217 		key_name[1] = tp[2];
4218 	    }
4219 	}
4220 	else
4221 #endif /* FEAT_GUI */
4222 	{
4223 	    for (idx = 0; idx < tc_len; ++idx)
4224 	    {
4225 		/*
4226 		 * Ignore the entry if we are not at the start of
4227 		 * typebuf.tb_buf[]
4228 		 * and there are not enough characters to make a match.
4229 		 * But only when the 'K' flag is in 'cpoptions'.
4230 		 */
4231 		slen = termcodes[idx].len;
4232 		modifiers_start = NULL;
4233 		if (cpo_koffset && offset && len < slen)
4234 		    continue;
4235 		if (STRNCMP(termcodes[idx].code, tp,
4236 				     (size_t)(slen > len ? len : slen)) == 0)
4237 		{
4238 		    if (len < slen)		/* got a partial sequence */
4239 			return -1;		/* need to get more chars */
4240 
4241 		    /*
4242 		     * When found a keypad key, check if there is another key
4243 		     * that matches and use that one.  This makes <Home> to be
4244 		     * found instead of <kHome> when they produce the same
4245 		     * key code.
4246 		     */
4247 		    if (termcodes[idx].name[0] == 'K'
4248 				       && VIM_ISDIGIT(termcodes[idx].name[1]))
4249 		    {
4250 			for (j = idx + 1; j < tc_len; ++j)
4251 			    if (termcodes[j].len == slen &&
4252 				    STRNCMP(termcodes[idx].code,
4253 					    termcodes[j].code, slen) == 0)
4254 			    {
4255 				idx = j;
4256 				break;
4257 			    }
4258 		    }
4259 
4260 		    key_name[0] = termcodes[idx].name[0];
4261 		    key_name[1] = termcodes[idx].name[1];
4262 		    break;
4263 		}
4264 
4265 		/*
4266 		 * Check for code with modifier, like xterm uses:
4267 		 * <Esc>[123;*X  (modslen == slen - 3)
4268 		 * Also <Esc>O*X and <M-O>*X (modslen == slen - 2).
4269 		 * When there is a modifier the * matches a number.
4270 		 * When there is no modifier the ;* or * is omitted.
4271 		 */
4272 		if (termcodes[idx].modlen > 0)
4273 		{
4274 		    modslen = termcodes[idx].modlen;
4275 		    if (cpo_koffset && offset && len < modslen)
4276 			continue;
4277 		    if (STRNCMP(termcodes[idx].code, tp,
4278 				(size_t)(modslen > len ? len : modslen)) == 0)
4279 		    {
4280 			int	    n;
4281 
4282 			if (len <= modslen)	/* got a partial sequence */
4283 			    return -1;		/* need to get more chars */
4284 
4285 			if (tp[modslen] == termcodes[idx].code[slen - 1])
4286 			    slen = modslen + 1;	/* no modifiers */
4287 			else if (tp[modslen] != ';' && modslen == slen - 3)
4288 			    continue;	/* no match */
4289 			else
4290 			{
4291 			    /* Skip over the digits, the final char must
4292 			     * follow. */
4293 			    for (j = slen - 2; j < len && (isdigit(tp[j]) || tp[j] == ';'); ++j)
4294 				;
4295 			    ++j;
4296 			    if (len < j)	/* got a partial sequence */
4297 				return -1;	/* need to get more chars */
4298 			    if (tp[j - 1] != termcodes[idx].code[slen - 1])
4299 				continue;	/* no match */
4300 
4301 			    modifiers_start = tp + slen - 2;
4302 
4303 			    /* Match!  Convert modifier bits. */
4304 			    n = atoi((char *)modifiers_start) - 1;
4305 			    if (n & 1)
4306 				modifiers |= MOD_MASK_SHIFT;
4307 			    if (n & 2)
4308 				modifiers |= MOD_MASK_ALT;
4309 			    if (n & 4)
4310 				modifiers |= MOD_MASK_CTRL;
4311 			    if (n & 8)
4312 				modifiers |= MOD_MASK_META;
4313 
4314 			    slen = j;
4315 			}
4316 			key_name[0] = termcodes[idx].name[0];
4317 			key_name[1] = termcodes[idx].name[1];
4318 			break;
4319 		    }
4320 		}
4321 	    }
4322 	}
4323 
4324 #ifdef FEAT_TERMRESPONSE
4325 	if (key_name[0] == NUL
4326 	    /* Mouse codes of DEC and pterm start with <ESC>[.  When
4327 	     * detecting the start of these mouse codes they might as well be
4328 	     * another key code or terminal response. */
4329 # ifdef FEAT_MOUSE_DEC
4330 	    || key_name[0] == KS_DEC_MOUSE
4331 # endif
4332 # ifdef FEAT_MOUSE_PTERM
4333 	    || key_name[0] == KS_PTERM_MOUSE
4334 # endif
4335 	   )
4336 	{
4337 	    /* Check for some responses from the terminal starting with
4338 	     * "<Esc>[" or CSI:
4339 	     *
4340 	     * - Xterm version string: <Esc>[>{x};{vers};{y}c
4341 	     *   Libvterm returns {x} == 0, {vers} == 100, {y} == 0.
4342 	     *   Also eat other possible responses to t_RV, rxvt returns
4343 	     *   "<Esc>[?1;2c". Also accept CSI instead of <Esc>[.
4344 	     *   mrxvt has been reported to have "+" in the version. Assume
4345 	     *   the escape sequence ends with a letter or one of "{|}~".
4346 	     *
4347 	     * - Cursor position report: <Esc>[{row};{col}R
4348 	     *   The final byte must be 'R'. It is used for checking the
4349 	     *   ambiguous-width character state.
4350 	     *
4351 	     * - window position reply: <Esc>[3;{x};{y}t
4352 	     */
4353 	    char_u *argp = tp[0] == ESC ? tp + 2 : tp + 1;
4354 
4355 	    if ((*T_CRV != NUL || *T_U7 != NUL || waiting_for_winpos)
4356 			&& ((tp[0] == ESC && len >= 3 && tp[1] == '[')
4357 			    || (tp[0] == CSI && len >= 2))
4358 			&& (VIM_ISDIGIT(*argp) || *argp == '>' || *argp == '?'))
4359 	    {
4360 		int col = 0;
4361 		int semicols = 0;
4362 #ifdef FEAT_MBYTE
4363 		int row_char = NUL;
4364 #endif
4365 
4366 		extra = 0;
4367 		for (i = 2 + (tp[0] != CSI); i < len
4368 				&& !(tp[i] >= '{' && tp[i] <= '~')
4369 				&& !ASCII_ISALPHA(tp[i]); ++i)
4370 		    if (tp[i] == ';' && ++semicols == 1)
4371 		    {
4372 			extra = i + 1;
4373 #ifdef FEAT_MBYTE
4374 			row_char = tp[i - 1];
4375 #endif
4376 		    }
4377 		if (i == len)
4378 		{
4379 		    LOG_TR("Not enough characters for CRV");
4380 		    return -1;
4381 		}
4382 		if (extra > 0)
4383 		    col = atoi((char *)tp + extra);
4384 
4385 #ifdef FEAT_MBYTE
4386 		/* Eat it when it has 2 arguments and ends in 'R'. Also when
4387 		 * u7_status is not "sent", it may be from a previous Vim that
4388 		 * just exited.  But not for <S-F3>, it sends something
4389 		 * similar, check for row and column to make sense. */
4390 		if (semicols == 1 && tp[i] == 'R')
4391 		{
4392 		    if (row_char == '2' && col >= 2)
4393 		    {
4394 			char *aw = NULL;
4395 
4396 			LOG_TR("Received U7 status");
4397 			u7_status = U7_GOT;
4398 # ifdef FEAT_AUTOCMD
4399 			did_cursorhold = TRUE;
4400 # endif
4401 			if (col == 2)
4402 			    aw = "single";
4403 			else if (col == 3)
4404 			    aw = "double";
4405 			if (aw != NULL && STRCMP(aw, p_ambw) != 0)
4406 			{
4407 			    /* Setting the option causes a screen redraw. Do
4408 			     * that right away if possible, keeping any
4409 			     * messages. */
4410 			    set_option_value((char_u *)"ambw", 0L,
4411 					     (char_u *)aw, 0);
4412 # ifdef DEBUG_TERMRESPONSE
4413 			    {
4414 				char buf[100];
4415 				int  r = redraw_asap(CLEAR);
4416 
4417 				sprintf(buf,
4418 					"set 'ambiwidth', redraw_asap(): %d",
4419 					r);
4420 				log_tr(buf);
4421 			    }
4422 # else
4423 			    redraw_asap(CLEAR);
4424 # endif
4425 			}
4426 		    }
4427 		    key_name[0] = (int)KS_EXTRA;
4428 		    key_name[1] = (int)KE_IGNORE;
4429 		    slen = i + 1;
4430 		}
4431 		else
4432 #endif
4433 		/* eat it when at least one digit and ending in 'c' */
4434 		if (*T_CRV != NUL && i > 2 + (tp[0] != CSI) && tp[i] == 'c')
4435 		{
4436 		    LOG_TR("Received CRV");
4437 		    crv_status = CRV_GOT;
4438 # ifdef FEAT_AUTOCMD
4439 		    did_cursorhold = TRUE;
4440 # endif
4441 
4442 		    /* If this code starts with CSI, you can bet that the
4443 		     * terminal uses 8-bit codes. */
4444 		    if (tp[0] == CSI)
4445 			switch_to_8bit();
4446 
4447 		    /* rxvt sends its version number: "20703" is 2.7.3.
4448 		     * Ignore it for when the user has set 'term' to xterm,
4449 		     * even though it's an rxvt. */
4450 		    if (col > 20000)
4451 			col = 0;
4452 
4453 		    if (tp[1 + (tp[0] != CSI)] == '>' && semicols == 2)
4454 		    {
4455 			/* Only set 'ttymouse' automatically if it was not set
4456 			 * by the user already. */
4457 			if (!option_was_set((char_u *)"ttym"))
4458 			{
4459 # ifdef TTYM_SGR
4460 			    if (col >= 277)
4461 				set_option_value((char_u *)"ttym", 0L,
4462 							  (char_u *)"sgr", 0);
4463 			    else
4464 # endif
4465 			    /* if xterm version >= 95 use mouse dragging */
4466 			    if (col >= 95)
4467 				set_option_value((char_u *)"ttym", 0L,
4468 						       (char_u *)"xterm2", 0);
4469 			}
4470 
4471 			/* if xterm version >= 141 try to get termcap codes */
4472 			if (col >= 141)
4473 			{
4474 			    LOG_TR("Enable checking for XT codes");
4475 			    check_for_codes = TRUE;
4476 			    need_gather = TRUE;
4477 			    req_codes_from_term();
4478 			}
4479 
4480 			/* libvterm sends 0;100;0 */
4481 			if (col == 100
4482 				&& STRNCMP(tp + extra - 2, ">0;100;0c", 9) == 0)
4483 			{
4484 			    /* If run from Vim $COLORS is set to the number of
4485 			     * colors the terminal supports.  Otherwise assume
4486 			     * 256, libvterm supports even more. */
4487 			    if (mch_getenv((char_u *)"COLORS") == NULL)
4488 				may_adjust_color_count(256);
4489 			}
4490 		    }
4491 # ifdef FEAT_EVAL
4492 		    set_vim_var_string(VV_TERMRESPONSE, tp, i + 1);
4493 # endif
4494 # ifdef FEAT_AUTOCMD
4495 		    apply_autocmds(EVENT_TERMRESPONSE,
4496 						   NULL, NULL, FALSE, curbuf);
4497 # endif
4498 		    key_name[0] = (int)KS_EXTRA;
4499 		    key_name[1] = (int)KE_IGNORE;
4500 		    slen = i + 1;
4501 		}
4502 
4503 		/*
4504 		 * Check for a window position response from the terminal:
4505 		 *       {lead}3;{x}:{y}t
4506 		 */
4507 		else if (waiting_for_winpos
4508 			    && ((len >= 4 && tp[0] == ESC && tp[1] == '[')
4509 				|| (len >= 3 && tp[0] == CSI))
4510 			    && tp[(j = 1 + (tp[0] == ESC))] == '3'
4511 			    && tp[j + 1] == ';')
4512 		{
4513 		    j += 2;
4514 		    for (i = j; i < len && vim_isdigit(tp[i]); ++i)
4515 			;
4516 		    if (i < len && tp[i] == ';')
4517 		    {
4518 			winpos_x = atoi((char *)tp + j);
4519 			j = i + 1;
4520 			for (i = j; i < len && vim_isdigit(tp[i]); ++i)
4521 			    ;
4522 			if (i < len && tp[i] == 't')
4523 			{
4524 			    winpos_y = atoi((char *)tp + j);
4525 			    /* got finished code: consume it */
4526 			    key_name[0] = (int)KS_EXTRA;
4527 			    key_name[1] = (int)KE_IGNORE;
4528 			    slen = i + 1;
4529 			}
4530 		    }
4531 		    if (i == len)
4532 		    {
4533 			LOG_TR("not enough characters for winpos");
4534 			return -1;
4535 		    }
4536 		}
4537 	    }
4538 
4539 	    /* Check for background color response from the terminal:
4540 	     *
4541 	     *       {lead}11;rgb:{rrrr}/{gggg}/{bbbb}{tail}
4542 	     *
4543 	     * {lead} can be <Esc>] or OSC
4544 	     * {tail} can be '\007', <Esc>\ or STERM.
4545 	     *
4546 	     * Consume any code that starts with "{lead}11;", it's also
4547 	     * possible that "rgba" is following.
4548 	     */
4549 	    else if (*T_RBG != NUL
4550 			&& ((tp[0] == ESC && len >= 2 && tp[1] == ']')
4551 			    || tp[0] == OSC))
4552 	    {
4553 		j = 1 + (tp[0] == ESC);
4554 		if (len >= j + 3 && (argp[0] != '1'
4555 					 || argp[1] != '1' || argp[2] != ';'))
4556 		  i = 0; /* no match */
4557 		else
4558 		  for (i = j; i < len; ++i)
4559 		    if (tp[i] == '\007' || (tp[0] == OSC ? tp[i] == STERM
4560 			: (tp[i] == ESC && i + 1 < len && tp[i + 1] == '\\')))
4561 		    {
4562 			if (i - j >= 21 && STRNCMP(tp + j + 3, "rgb:", 4) == 0
4563 			    && tp[j + 11] == '/' && tp[j + 16] == '/'
4564 			    && !option_was_set((char_u *)"bg"))
4565 			{
4566 			    char *newval = (3 * '6' < tp[j+7] + tp[j+12]
4567 						+ tp[j+17]) ? "light" : "dark";
4568 
4569 			    LOG_TR("Received RBG");
4570 			    rbg_status = RBG_GOT;
4571 			    if (STRCMP(p_bg, newval) != 0)
4572 			    {
4573 				/* value differs, apply it */
4574 				set_option_value((char_u *)"bg", 0L,
4575 							  (char_u *)newval, 0);
4576 				reset_option_was_set((char_u *)"bg");
4577 				redraw_asap(CLEAR);
4578 			    }
4579 			}
4580 
4581 			/* got finished code: consume it */
4582 			key_name[0] = (int)KS_EXTRA;
4583 			key_name[1] = (int)KE_IGNORE;
4584 			slen = i + 1 + (tp[i] == ESC);
4585 			break;
4586 		    }
4587 		if (i == len)
4588 		{
4589 		    LOG_TR("not enough characters for RB");
4590 		    return -1;
4591 		}
4592 	    }
4593 
4594 	    /* Check for key code response from xterm:
4595 	     *
4596 	     * {lead}{flag}+r<hex bytes><{tail}
4597 	     *
4598 	     * {lead} can be <Esc>P or DCS
4599 	     * {flag} can be '0' or '1'
4600 	     * {tail} can be Esc>\ or STERM
4601 	     *
4602 	     * Consume any code that starts with "{lead}.+r".
4603 	     */
4604 	    else if (check_for_codes
4605 		    && ((tp[0] == ESC && len >= 2 && tp[1] == 'P')
4606 			|| tp[0] == DCS))
4607 	    {
4608 		j = 1 + (tp[0] == ESC);
4609 		if (len >= j + 3 && (argp[1] != '+' || argp[2] != 'r'))
4610 		  i = 0; /* no match */
4611 		else
4612 		  for (i = j; i < len; ++i)
4613 		    if ((tp[i] == ESC && i + 1 < len && tp[i + 1] == '\\')
4614 			    || tp[i] == STERM)
4615 		    {
4616 			if (i - j >= 3)
4617 			    got_code_from_term(tp + j, i);
4618 			key_name[0] = (int)KS_EXTRA;
4619 			key_name[1] = (int)KE_IGNORE;
4620 			slen = i + 1 + (tp[i] == ESC);
4621 			break;
4622 		    }
4623 
4624 		if (i == len)
4625 		{
4626 		    /* These codes arrive many together, each code can be
4627 		     * truncated at any point. */
4628 		    LOG_TR("not enough characters for XT");
4629 		    return -1;
4630 		}
4631 	    }
4632 	}
4633 #endif
4634 
4635 	if (key_name[0] == NUL)
4636 	    continue;	    /* No match at this position, try next one */
4637 
4638 	/* We only get here when we have a complete termcode match */
4639 
4640 #ifdef FEAT_MOUSE
4641 # ifdef FEAT_GUI
4642 	/*
4643 	 * Only in the GUI: Fetch the pointer coordinates of the scroll event
4644 	 * so that we know which window to scroll later.
4645 	 */
4646 	if (gui.in_use
4647 		&& key_name[0] == (int)KS_EXTRA
4648 		&& (key_name[1] == (int)KE_X1MOUSE
4649 		    || key_name[1] == (int)KE_X2MOUSE
4650 		    || key_name[1] == (int)KE_MOUSELEFT
4651 		    || key_name[1] == (int)KE_MOUSERIGHT
4652 		    || key_name[1] == (int)KE_MOUSEDOWN
4653 		    || key_name[1] == (int)KE_MOUSEUP))
4654 	{
4655 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 4);
4656 	    if (num_bytes == -1)	/* not enough coordinates */
4657 		return -1;
4658 	    mouse_col = 128 * (bytes[0] - ' ' - 1) + bytes[1] - ' ' - 1;
4659 	    mouse_row = 128 * (bytes[2] - ' ' - 1) + bytes[3] - ' ' - 1;
4660 	    slen += num_bytes;
4661 	}
4662 	else
4663 # endif
4664 	/*
4665 	 * If it is a mouse click, get the coordinates.
4666 	 */
4667 	if (key_name[0] == KS_MOUSE
4668 # ifdef FEAT_MOUSE_JSB
4669 		|| key_name[0] == KS_JSBTERM_MOUSE
4670 # endif
4671 # ifdef FEAT_MOUSE_NET
4672 		|| key_name[0] == KS_NETTERM_MOUSE
4673 # endif
4674 # ifdef FEAT_MOUSE_DEC
4675 		|| key_name[0] == KS_DEC_MOUSE
4676 # endif
4677 # ifdef FEAT_MOUSE_PTERM
4678 		|| key_name[0] == KS_PTERM_MOUSE
4679 # endif
4680 # ifdef FEAT_MOUSE_URXVT
4681 		|| key_name[0] == KS_URXVT_MOUSE
4682 # endif
4683 # ifdef FEAT_MOUSE_SGR
4684 		|| key_name[0] == KS_SGR_MOUSE
4685 		|| key_name[0] == KS_SGR_MOUSE_RELEASE
4686 # endif
4687 		)
4688 	{
4689 	    is_click = is_drag = FALSE;
4690 
4691 # if !defined(UNIX) || defined(FEAT_MOUSE_XTERM) || defined(FEAT_GUI) \
4692 	    || defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)
4693 	    if (key_name[0] == (int)KS_MOUSE)
4694 	    {
4695 		/*
4696 		 * For xterm we get "<t_mouse>scr", where
4697 		 *  s == encoded button state:
4698 		 *	   0x20 = left button down
4699 		 *	   0x21 = middle button down
4700 		 *	   0x22 = right button down
4701 		 *	   0x23 = any button release
4702 		 *	   0x60 = button 4 down (scroll wheel down)
4703 		 *	   0x61 = button 5 down (scroll wheel up)
4704 		 *	add 0x04 for SHIFT
4705 		 *	add 0x08 for ALT
4706 		 *	add 0x10 for CTRL
4707 		 *	add 0x20 for mouse drag (0x40 is drag with left button)
4708 		 *  c == column + ' ' + 1 == column + 33
4709 		 *  r == row + ' ' + 1 == row + 33
4710 		 *
4711 		 * The coordinates are passed on through global variables.
4712 		 * Ugly, but this avoids trouble with mouse clicks at an
4713 		 * unexpected moment and allows for mapping them.
4714 		 */
4715 		for (;;)
4716 		{
4717 #ifdef FEAT_GUI
4718 		    if (gui.in_use)
4719 		    {
4720 			/* GUI uses more bits for columns > 223 */
4721 			num_bytes = get_bytes_from_buf(tp + slen, bytes, 5);
4722 			if (num_bytes == -1)	/* not enough coordinates */
4723 			    return -1;
4724 			mouse_code = bytes[0];
4725 			mouse_col = 128 * (bytes[1] - ' ' - 1)
4726 							 + bytes[2] - ' ' - 1;
4727 			mouse_row = 128 * (bytes[3] - ' ' - 1)
4728 							 + bytes[4] - ' ' - 1;
4729 		    }
4730 		    else
4731 #endif
4732 		    {
4733 			num_bytes = get_bytes_from_buf(tp + slen, bytes, 3);
4734 			if (num_bytes == -1)	/* not enough coordinates */
4735 			    return -1;
4736 			mouse_code = bytes[0];
4737 			mouse_col = bytes[1] - ' ' - 1;
4738 			mouse_row = bytes[2] - ' ' - 1;
4739 		    }
4740 		    slen += num_bytes;
4741 
4742 		    /* If the following bytes is also a mouse code and it has
4743 		     * the same code, dump this one and get the next.  This
4744 		     * makes dragging a whole lot faster. */
4745 #ifdef FEAT_GUI
4746 		    if (gui.in_use)
4747 			j = 3;
4748 		    else
4749 #endif
4750 			j = termcodes[idx].len;
4751 		    if (STRNCMP(tp, tp + slen, (size_t)j) == 0
4752 			    && tp[slen + j] == mouse_code
4753 			    && tp[slen + j + 1] != NUL
4754 			    && tp[slen + j + 2] != NUL
4755 #ifdef FEAT_GUI
4756 			    && (!gui.in_use
4757 				|| (tp[slen + j + 3] != NUL
4758 					&& tp[slen + j + 4] != NUL))
4759 #endif
4760 			    )
4761 			slen += j;
4762 		    else
4763 			break;
4764 		}
4765 	    }
4766 
4767 # if defined(FEAT_MOUSE_URXVT) || defined(FEAT_MOUSE_SGR)
4768 	    if (key_name[0] == KS_URXVT_MOUSE
4769 		|| key_name[0] == KS_SGR_MOUSE
4770 		|| key_name[0] == KS_SGR_MOUSE_RELEASE)
4771 	    {
4772 		/* URXVT 1015 mouse reporting mode:
4773 		 * Almost identical to xterm mouse mode, except the values
4774 		 * are decimal instead of bytes.
4775 		 *
4776 		 * \033[%d;%d;%dM
4777 		 *		  ^-- row
4778 		 *	       ^----- column
4779 		 *	    ^-------- code
4780 		 *
4781 		 * SGR 1006 mouse reporting mode:
4782 		 * Almost identical to xterm mouse mode, except the values
4783 		 * are decimal instead of bytes.
4784 		 *
4785 		 * \033[<%d;%d;%dM
4786 		 *		   ^-- row
4787 		 *	        ^----- column
4788 		 *	     ^-------- code
4789 		 *
4790 		 * \033[<%d;%d;%dm        : mouse release event
4791 		 *		   ^-- row
4792 		 *	        ^----- column
4793 		 *	     ^-------- code
4794 		 */
4795 		p = modifiers_start;
4796 		if (p == NULL)
4797 		    return -1;
4798 
4799 		mouse_code = getdigits(&p);
4800 		if (*p++ != ';')
4801 		    return -1;
4802 
4803 		/* when mouse reporting is SGR, add 32 to mouse code */
4804 		if (key_name[0] == KS_SGR_MOUSE
4805 				    || key_name[0] == KS_SGR_MOUSE_RELEASE)
4806 		    mouse_code += 32;
4807 
4808 		if (key_name[0] == KS_SGR_MOUSE_RELEASE)
4809 		    mouse_code |= MOUSE_RELEASE;
4810 
4811 		mouse_col = getdigits(&p) - 1;
4812 		if (*p++ != ';')
4813 		    return -1;
4814 
4815 		mouse_row = getdigits(&p) - 1;
4816 
4817 		/* The modifiers were the mouse coordinates, not the
4818 		 * modifier keys (alt/shift/ctrl/meta) state. */
4819 		modifiers = 0;
4820 	    }
4821 # endif
4822 
4823 	if (key_name[0] == (int)KS_MOUSE
4824 #ifdef FEAT_MOUSE_URXVT
4825 	    || key_name[0] == (int)KS_URXVT_MOUSE
4826 #endif
4827 #ifdef FEAT_MOUSE_SGR
4828 	    || key_name[0] == KS_SGR_MOUSE
4829 	    || key_name[0] == KS_SGR_MOUSE_RELEASE
4830 #endif
4831 	    )
4832 	{
4833 #  if !defined(MSWIN)
4834 		/*
4835 		 * Handle mouse events.
4836 		 * Recognize the xterm mouse wheel, but not in the GUI, the
4837 		 * Linux console with GPM and the MS-DOS or Win32 console
4838 		 * (multi-clicks use >= 0x60).
4839 		 */
4840 		if (mouse_code >= MOUSEWHEEL_LOW
4841 #   ifdef FEAT_GUI
4842 			&& !gui.in_use
4843 #   endif
4844 #   ifdef FEAT_MOUSE_GPM
4845 			&& gpm_flag == 0
4846 #   endif
4847 			)
4848 		{
4849 		    /* Keep the mouse_code before it's changed, so that we
4850 		     * remember that it was a mouse wheel click. */
4851 		    wheel_code = mouse_code;
4852 		}
4853 #   ifdef FEAT_MOUSE_XTERM
4854 		else if (held_button == MOUSE_RELEASE
4855 #    ifdef FEAT_GUI
4856 			&& !gui.in_use
4857 #    endif
4858 			&& (mouse_code == 0x23 || mouse_code == 0x24))
4859 		{
4860 		    /* Apparently used by rxvt scroll wheel. */
4861 		    wheel_code = mouse_code - 0x23 + MOUSEWHEEL_LOW;
4862 		}
4863 #   endif
4864 
4865 #   if defined(UNIX) && defined(FEAT_MOUSE_TTY)
4866 		else if (use_xterm_mouse() > 1)
4867 		{
4868 		    if (mouse_code & MOUSE_DRAG_XTERM)
4869 			mouse_code |= MOUSE_DRAG;
4870 		}
4871 #   endif
4872 #   ifdef FEAT_XCLIPBOARD
4873 		else if (!(mouse_code & MOUSE_DRAG & ~MOUSE_CLICK_MASK))
4874 		{
4875 		    if ((mouse_code & MOUSE_RELEASE) == MOUSE_RELEASE)
4876 			stop_xterm_trace();
4877 		    else
4878 			start_xterm_trace(mouse_code);
4879 		}
4880 #   endif
4881 #  endif
4882 	    }
4883 # endif /* !UNIX || FEAT_MOUSE_XTERM */
4884 # ifdef FEAT_MOUSE_NET
4885 	    if (key_name[0] == (int)KS_NETTERM_MOUSE)
4886 	    {
4887 		int mc, mr;
4888 
4889 		/* expect a rather limited sequence like: balancing {
4890 		 * \033}6,45\r
4891 		 * '6' is the row, 45 is the column
4892 		 */
4893 		p = tp + slen;
4894 		mr = getdigits(&p);
4895 		if (*p++ != ',')
4896 		    return -1;
4897 		mc = getdigits(&p);
4898 		if (*p++ != '\r')
4899 		    return -1;
4900 
4901 		mouse_col = mc - 1;
4902 		mouse_row = mr - 1;
4903 		mouse_code = MOUSE_LEFT;
4904 		slen += (int)(p - (tp + slen));
4905 	    }
4906 # endif	/* FEAT_MOUSE_NET */
4907 # ifdef FEAT_MOUSE_JSB
4908 	    if (key_name[0] == (int)KS_JSBTERM_MOUSE)
4909 	    {
4910 		int mult, val, iter, button, status;
4911 
4912 		/* JSBTERM Input Model
4913 		 * \033[0~zw uniq escape sequence
4914 		 * (L-x)  Left button pressed - not pressed x not reporting
4915 		 * (M-x)  Middle button pressed - not pressed x not reporting
4916 		 * (R-x)  Right button pressed - not pressed x not reporting
4917 		 * (SDmdu)  Single , Double click, m mouse move d button down
4918 		 *						   u button up
4919 		 *  ###   X cursor position padded to 3 digits
4920 		 *  ###   Y cursor position padded to 3 digits
4921 		 * (s-x)  SHIFT key pressed - not pressed x not reporting
4922 		 * (c-x)  CTRL key pressed - not pressed x not reporting
4923 		 * \033\\ terminating sequence
4924 		 */
4925 
4926 		p = tp + slen;
4927 		button = mouse_code = 0;
4928 		switch (*p++)
4929 		{
4930 		    case 'L': button = 1; break;
4931 		    case '-': break;
4932 		    case 'x': break; /* ignore sequence */
4933 		    default:  return -1; /* Unknown Result */
4934 		}
4935 		switch (*p++)
4936 		{
4937 		    case 'M': button |= 2; break;
4938 		    case '-': break;
4939 		    case 'x': break; /* ignore sequence */
4940 		    default:  return -1; /* Unknown Result */
4941 		}
4942 		switch (*p++)
4943 		{
4944 		    case 'R': button |= 4; break;
4945 		    case '-': break;
4946 		    case 'x': break; /* ignore sequence */
4947 		    default:  return -1; /* Unknown Result */
4948 		}
4949 		status = *p++;
4950 		for (val = 0, mult = 100, iter = 0; iter < 3; iter++,
4951 							      mult /= 10, p++)
4952 		    if (*p >= '0' && *p <= '9')
4953 			val += (*p - '0') * mult;
4954 		    else
4955 			return -1;
4956 		mouse_col = val;
4957 		for (val = 0, mult = 100, iter = 0; iter < 3; iter++,
4958 							      mult /= 10, p++)
4959 		    if (*p >= '0' && *p <= '9')
4960 			val += (*p - '0') * mult;
4961 		    else
4962 			return -1;
4963 		mouse_row = val;
4964 		switch (*p++)
4965 		{
4966 		    case 's': button |= 8; break;  /* SHIFT key Pressed */
4967 		    case '-': break;  /* Not Pressed */
4968 		    case 'x': break;  /* Not Reporting */
4969 		    default:  return -1; /* Unknown Result */
4970 		}
4971 		switch (*p++)
4972 		{
4973 		    case 'c': button |= 16; break;  /* CTRL key Pressed */
4974 		    case '-': break;  /* Not Pressed */
4975 		    case 'x': break;  /* Not Reporting */
4976 		    default:  return -1; /* Unknown Result */
4977 		}
4978 		if (*p++ != '\033')
4979 		    return -1;
4980 		if (*p++ != '\\')
4981 		    return -1;
4982 		switch (status)
4983 		{
4984 		    case 'D': /* Double Click */
4985 		    case 'S': /* Single Click */
4986 			if (button & 1) mouse_code |= MOUSE_LEFT;
4987 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
4988 			if (button & 4) mouse_code |= MOUSE_RIGHT;
4989 			if (button & 8) mouse_code |= MOUSE_SHIFT;
4990 			if (button & 16) mouse_code |= MOUSE_CTRL;
4991 			break;
4992 		    case 'm': /* Mouse move */
4993 			if (button & 1) mouse_code |= MOUSE_LEFT;
4994 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
4995 			if (button & 4) mouse_code |= MOUSE_RIGHT;
4996 			if (button & 8) mouse_code |= MOUSE_SHIFT;
4997 			if (button & 16) mouse_code |= MOUSE_CTRL;
4998 			if ((button & 7) != 0)
4999 			{
5000 			    held_button = mouse_code;
5001 			    mouse_code |= MOUSE_DRAG;
5002 			}
5003 			is_drag = TRUE;
5004 			showmode();
5005 			break;
5006 		    case 'd': /* Button Down */
5007 			if (button & 1) mouse_code |= MOUSE_LEFT;
5008 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
5009 			if (button & 4) mouse_code |= MOUSE_RIGHT;
5010 			if (button & 8) mouse_code |= MOUSE_SHIFT;
5011 			if (button & 16) mouse_code |= MOUSE_CTRL;
5012 			break;
5013 		    case 'u': /* Button Up */
5014 			if (button & 1)
5015 			    mouse_code |= MOUSE_LEFT | MOUSE_RELEASE;
5016 			if (button & 2)
5017 			    mouse_code |= MOUSE_MIDDLE | MOUSE_RELEASE;
5018 			if (button & 4)
5019 			    mouse_code |= MOUSE_RIGHT | MOUSE_RELEASE;
5020 			if (button & 8)
5021 			    mouse_code |= MOUSE_SHIFT;
5022 			if (button & 16)
5023 			    mouse_code |= MOUSE_CTRL;
5024 			break;
5025 		    default: return -1; /* Unknown Result */
5026 		}
5027 
5028 		slen += (p - (tp + slen));
5029 	    }
5030 # endif /* FEAT_MOUSE_JSB */
5031 # ifdef FEAT_MOUSE_DEC
5032 	    if (key_name[0] == (int)KS_DEC_MOUSE)
5033 	    {
5034 	       /* The DEC Locator Input Model
5035 		* Netterm delivers the code sequence:
5036 		*  \033[2;4;24;80&w  (left button down)
5037 		*  \033[3;0;24;80&w  (left button up)
5038 		*  \033[6;1;24;80&w  (right button down)
5039 		*  \033[7;0;24;80&w  (right button up)
5040 		* CSI Pe ; Pb ; Pr ; Pc ; Pp & w
5041 		* Pe is the event code
5042 		* Pb is the button code
5043 		* Pr is the row coordinate
5044 		* Pc is the column coordinate
5045 		* Pp is the third coordinate (page number)
5046 		* Pe, the event code indicates what event caused this report
5047 		*    The following event codes are defined:
5048 		*    0 - request, the terminal received an explicit request
5049 		*	 for a locator report, but the locator is unavailable
5050 		*    1 - request, the terminal received an explicit request
5051 		*	 for a locator report
5052 		*    2 - left button down
5053 		*    3 - left button up
5054 		*    4 - middle button down
5055 		*    5 - middle button up
5056 		*    6 - right button down
5057 		*    7 - right button up
5058 		*    8 - fourth button down
5059 		*    9 - fourth button up
5060 		*    10 - locator outside filter rectangle
5061 		* Pb, the button code, ASCII decimal 0-15 indicating which
5062 		*   buttons are down if any. The state of the four buttons
5063 		*   on the locator correspond to the low four bits of the
5064 		*   decimal value,
5065 		*   "1" means button depressed
5066 		*   0 - no buttons down,
5067 		*   1 - right,
5068 		*   2 - middle,
5069 		*   4 - left,
5070 		*   8 - fourth
5071 		* Pr is the row coordinate of the locator position in the page,
5072 		*   encoded as an ASCII decimal value.
5073 		*   If Pr is omitted, the locator position is undefined
5074 		*   (outside the terminal window for example).
5075 		* Pc is the column coordinate of the locator position in the
5076 		*   page, encoded as an ASCII decimal value.
5077 		*   If Pc is omitted, the locator position is undefined
5078 		*   (outside the terminal window for example).
5079 		* Pp is the page coordinate of the locator position
5080 		*   encoded as an ASCII decimal value.
5081 		*   The page coordinate may be omitted if the locator is on
5082 		*   page one (the default).  We ignore it anyway.
5083 		*/
5084 		int Pe, Pb, Pr, Pc;
5085 
5086 		p = tp + slen;
5087 
5088 		/* get event status */
5089 		Pe = getdigits(&p);
5090 		if (*p++ != ';')
5091 		    return -1;
5092 
5093 		/* get button status */
5094 		Pb = getdigits(&p);
5095 		if (*p++ != ';')
5096 		    return -1;
5097 
5098 		/* get row status */
5099 		Pr = getdigits(&p);
5100 		if (*p++ != ';')
5101 		    return -1;
5102 
5103 		/* get column status */
5104 		Pc = getdigits(&p);
5105 
5106 		/* the page parameter is optional */
5107 		if (*p == ';')
5108 		{
5109 		    p++;
5110 		    (void)getdigits(&p);
5111 		}
5112 		if (*p++ != '&')
5113 		    return -1;
5114 		if (*p++ != 'w')
5115 		    return -1;
5116 
5117 		mouse_code = 0;
5118 		switch (Pe)
5119 		{
5120 		case  0: return -1; /* position request while unavailable */
5121 		case  1: /* a response to a locator position request includes
5122 			    the status of all buttons */
5123 			 Pb &= 7;   /* mask off and ignore fourth button */
5124 			 if (Pb & 4)
5125 			     mouse_code  = MOUSE_LEFT;
5126 			 if (Pb & 2)
5127 			     mouse_code  = MOUSE_MIDDLE;
5128 			 if (Pb & 1)
5129 			     mouse_code  = MOUSE_RIGHT;
5130 			 if (Pb)
5131 			 {
5132 			     held_button = mouse_code;
5133 			     mouse_code |= MOUSE_DRAG;
5134 			     WantQueryMouse = TRUE;
5135 			 }
5136 			 is_drag = TRUE;
5137 			 showmode();
5138 			 break;
5139 		case  2: mouse_code = MOUSE_LEFT;
5140 			 WantQueryMouse = TRUE;
5141 			 break;
5142 		case  3: mouse_code = MOUSE_RELEASE | MOUSE_LEFT;
5143 			 break;
5144 		case  4: mouse_code = MOUSE_MIDDLE;
5145 			 WantQueryMouse = TRUE;
5146 			 break;
5147 		case  5: mouse_code = MOUSE_RELEASE | MOUSE_MIDDLE;
5148 			 break;
5149 		case  6: mouse_code = MOUSE_RIGHT;
5150 			 WantQueryMouse = TRUE;
5151 			 break;
5152 		case  7: mouse_code = MOUSE_RELEASE | MOUSE_RIGHT;
5153 			 break;
5154 		case  8: return -1; /* fourth button down */
5155 		case  9: return -1; /* fourth button up */
5156 		case 10: return -1; /* mouse outside of filter rectangle */
5157 		default: return -1; /* should never occur */
5158 		}
5159 
5160 		mouse_col = Pc - 1;
5161 		mouse_row = Pr - 1;
5162 
5163 		slen += (int)(p - (tp + slen));
5164 	    }
5165 # endif /* FEAT_MOUSE_DEC */
5166 # ifdef FEAT_MOUSE_PTERM
5167 	    if (key_name[0] == (int)KS_PTERM_MOUSE)
5168 	    {
5169 		int button, num_clicks, action;
5170 
5171 		p = tp + slen;
5172 
5173 		action = getdigits(&p);
5174 		if (*p++ != ';')
5175 		    return -1;
5176 
5177 		mouse_row = getdigits(&p);
5178 		if (*p++ != ';')
5179 		    return -1;
5180 		mouse_col = getdigits(&p);
5181 		if (*p++ != ';')
5182 		    return -1;
5183 
5184 		button = getdigits(&p);
5185 		mouse_code = 0;
5186 
5187 		switch (button)
5188 		{
5189 		    case 4: mouse_code = MOUSE_LEFT; break;
5190 		    case 1: mouse_code = MOUSE_RIGHT; break;
5191 		    case 2: mouse_code = MOUSE_MIDDLE; break;
5192 		    default: return -1;
5193 		}
5194 
5195 		switch (action)
5196 		{
5197 		    case 31: /* Initial press */
5198 			if (*p++ != ';')
5199 			    return -1;
5200 
5201 			num_clicks = getdigits(&p); /* Not used */
5202 			break;
5203 
5204 		    case 32: /* Release */
5205 			mouse_code |= MOUSE_RELEASE;
5206 			break;
5207 
5208 		    case 33: /* Drag */
5209 			held_button = mouse_code;
5210 			mouse_code |= MOUSE_DRAG;
5211 			break;
5212 
5213 		    default:
5214 			return -1;
5215 		}
5216 
5217 		if (*p++ != 't')
5218 		    return -1;
5219 
5220 		slen += (p - (tp + slen));
5221 	    }
5222 # endif /* FEAT_MOUSE_PTERM */
5223 
5224 	    /* Interpret the mouse code */
5225 	    current_button = (mouse_code & MOUSE_CLICK_MASK);
5226 	    if (current_button == MOUSE_RELEASE
5227 # ifdef FEAT_MOUSE_XTERM
5228 		    && wheel_code == 0
5229 # endif
5230 		    )
5231 	    {
5232 		/*
5233 		 * If we get a mouse drag or release event when
5234 		 * there is no mouse button held down (held_button ==
5235 		 * MOUSE_RELEASE), produce a K_IGNORE below.
5236 		 * (can happen when you hold down two buttons
5237 		 * and then let them go, or click in the menu bar, but not
5238 		 * on a menu, and drag into the text).
5239 		 */
5240 		if ((mouse_code & MOUSE_DRAG) == MOUSE_DRAG)
5241 		    is_drag = TRUE;
5242 		current_button = held_button;
5243 	    }
5244 	    else if (wheel_code == 0)
5245 	    {
5246 # ifdef CHECK_DOUBLE_CLICK
5247 #  ifdef FEAT_MOUSE_GPM
5248 #   ifdef FEAT_GUI
5249 		/*
5250 		 * Only for Unix, when GUI or gpm is not active, we handle
5251 		 * multi-clicks here.
5252 		 */
5253 		if (gpm_flag == 0 && !gui.in_use)
5254 #   else
5255 		if (gpm_flag == 0)
5256 #   endif
5257 #  else
5258 #   ifdef FEAT_GUI
5259 		if (!gui.in_use)
5260 #   endif
5261 #  endif
5262 		{
5263 		    /*
5264 		     * Compute the time elapsed since the previous mouse click.
5265 		     */
5266 		    gettimeofday(&mouse_time, NULL);
5267 		    if (orig_mouse_time.tv_sec == 0)
5268 		    {
5269 			/*
5270 			 * Avoid computing the difference between mouse_time
5271 			 * and orig_mouse_time for the first click, as the
5272 			 * difference would be huge and would cause multiplication
5273 			 * overflow.
5274 			 */
5275 			timediff = p_mouset;
5276 		    }
5277 		    else
5278 		    {
5279 			timediff = (mouse_time.tv_usec
5280 						- orig_mouse_time.tv_usec) / 1000;
5281 			if (timediff < 0)
5282 			    --orig_mouse_time.tv_sec;
5283 			timediff += (mouse_time.tv_sec
5284 						 - orig_mouse_time.tv_sec) * 1000;
5285 		    }
5286 		    orig_mouse_time = mouse_time;
5287 		    if (mouse_code == orig_mouse_code
5288 			    && timediff < p_mouset
5289 			    && orig_num_clicks != 4
5290 			    && orig_mouse_col == mouse_col
5291 			    && orig_mouse_row == mouse_row
5292 			    && ((orig_topline == curwin->w_topline
5293 #ifdef FEAT_DIFF
5294 				    && orig_topfill == curwin->w_topfill
5295 #endif
5296 				)
5297 #ifdef FEAT_WINDOWS
5298 				/* Double click in tab pages line also works
5299 				 * when window contents changes. */
5300 				|| (mouse_row == 0 && firstwin->w_winrow > 0)
5301 #endif
5302 			       )
5303 			    )
5304 			++orig_num_clicks;
5305 		    else
5306 			orig_num_clicks = 1;
5307 		    orig_mouse_col = mouse_col;
5308 		    orig_mouse_row = mouse_row;
5309 		    orig_topline = curwin->w_topline;
5310 #ifdef FEAT_DIFF
5311 		    orig_topfill = curwin->w_topfill;
5312 #endif
5313 		}
5314 #  if defined(FEAT_GUI) || defined(FEAT_MOUSE_GPM)
5315 		else
5316 		    orig_num_clicks = NUM_MOUSE_CLICKS(mouse_code);
5317 #  endif
5318 # else
5319 		orig_num_clicks = NUM_MOUSE_CLICKS(mouse_code);
5320 # endif
5321 		is_click = TRUE;
5322 		orig_mouse_code = mouse_code;
5323 	    }
5324 	    if (!is_drag)
5325 		held_button = mouse_code & MOUSE_CLICK_MASK;
5326 
5327 	    /*
5328 	     * Translate the actual mouse event into a pseudo mouse event.
5329 	     * First work out what modifiers are to be used.
5330 	     */
5331 	    if (orig_mouse_code & MOUSE_SHIFT)
5332 		modifiers |= MOD_MASK_SHIFT;
5333 	    if (orig_mouse_code & MOUSE_CTRL)
5334 		modifiers |= MOD_MASK_CTRL;
5335 	    if (orig_mouse_code & MOUSE_ALT)
5336 		modifiers |= MOD_MASK_ALT;
5337 	    if (orig_num_clicks == 2)
5338 		modifiers |= MOD_MASK_2CLICK;
5339 	    else if (orig_num_clicks == 3)
5340 		modifiers |= MOD_MASK_3CLICK;
5341 	    else if (orig_num_clicks == 4)
5342 		modifiers |= MOD_MASK_4CLICK;
5343 
5344 	    /* Work out our pseudo mouse event. Note that MOUSE_RELEASE gets
5345 	     * added, then it's not mouse up/down. */
5346 	    key_name[0] = (int)KS_EXTRA;
5347             if (wheel_code != 0
5348 			      && (wheel_code & MOUSE_RELEASE) != MOUSE_RELEASE)
5349 	    {
5350 		if (wheel_code & MOUSE_CTRL)
5351 		    modifiers |= MOD_MASK_CTRL;
5352 		if (wheel_code & MOUSE_ALT)
5353 		    modifiers |= MOD_MASK_ALT;
5354 		key_name[1] = (wheel_code & 1)
5355 					? (int)KE_MOUSEUP : (int)KE_MOUSEDOWN;
5356 	    }
5357 	    else
5358 		key_name[1] = get_pseudo_mouse_code(current_button,
5359 							   is_click, is_drag);
5360 
5361 	    /* Make sure the mouse position is valid.  Some terminals may
5362 	     * return weird values. */
5363 	    if (mouse_col >= Columns)
5364 		mouse_col = Columns - 1;
5365 	    if (mouse_row >= Rows)
5366 		mouse_row = Rows - 1;
5367 	}
5368 #endif /* FEAT_MOUSE */
5369 
5370 #ifdef FEAT_GUI
5371 	/*
5372 	 * If using the GUI, then we get menu and scrollbar events.
5373 	 *
5374 	 * A menu event is encoded as K_SPECIAL, KS_MENU, KE_FILLER followed by
5375 	 * four bytes which are to be taken as a pointer to the vimmenu_T
5376 	 * structure.
5377 	 *
5378 	 * A tab line event is encoded as K_SPECIAL KS_TABLINE nr, where "nr"
5379 	 * is one byte with the tab index.
5380 	 *
5381 	 * A scrollbar event is K_SPECIAL, KS_VER_SCROLLBAR, KE_FILLER followed
5382 	 * by one byte representing the scrollbar number, and then four bytes
5383 	 * representing a long_u which is the new value of the scrollbar.
5384 	 *
5385 	 * A horizontal scrollbar event is K_SPECIAL, KS_HOR_SCROLLBAR,
5386 	 * KE_FILLER followed by four bytes representing a long_u which is the
5387 	 * new value of the scrollbar.
5388 	 */
5389 # ifdef FEAT_MENU
5390 	else if (key_name[0] == (int)KS_MENU)
5391 	{
5392 	    long_u	val;
5393 
5394 	    num_bytes = get_long_from_buf(tp + slen, &val);
5395 	    if (num_bytes == -1)
5396 		return -1;
5397 	    current_menu = (vimmenu_T *)val;
5398 	    slen += num_bytes;
5399 
5400 	    /* The menu may have been deleted right after it was used, check
5401 	     * for that. */
5402 	    if (check_menu_pointer(root_menu, current_menu) == FAIL)
5403 	    {
5404 		key_name[0] = KS_EXTRA;
5405 		key_name[1] = (int)KE_IGNORE;
5406 	    }
5407 	}
5408 # endif
5409 # ifdef FEAT_GUI_TABLINE
5410 	else if (key_name[0] == (int)KS_TABLINE)
5411 	{
5412 	    /* Selecting tabline tab or using its menu. */
5413 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 1);
5414 	    if (num_bytes == -1)
5415 		return -1;
5416 	    current_tab = (int)bytes[0];
5417 	    if (current_tab == 255)	/* -1 in a byte gives 255 */
5418 		current_tab = -1;
5419 	    slen += num_bytes;
5420 	}
5421 	else if (key_name[0] == (int)KS_TABMENU)
5422 	{
5423 	    /* Selecting tabline tab or using its menu. */
5424 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 2);
5425 	    if (num_bytes == -1)
5426 		return -1;
5427 	    current_tab = (int)bytes[0];
5428 	    current_tabmenu = (int)bytes[1];
5429 	    slen += num_bytes;
5430 	}
5431 # endif
5432 # ifndef USE_ON_FLY_SCROLL
5433 	else if (key_name[0] == (int)KS_VER_SCROLLBAR)
5434 	{
5435 	    long_u	val;
5436 
5437 	    /* Get the last scrollbar event in the queue of the same type */
5438 	    j = 0;
5439 	    for (i = 0; tp[j] == CSI && tp[j + 1] == KS_VER_SCROLLBAR
5440 						     && tp[j + 2] != NUL; ++i)
5441 	    {
5442 		j += 3;
5443 		num_bytes = get_bytes_from_buf(tp + j, bytes, 1);
5444 		if (num_bytes == -1)
5445 		    break;
5446 		if (i == 0)
5447 		    current_scrollbar = (int)bytes[0];
5448 		else if (current_scrollbar != (int)bytes[0])
5449 		    break;
5450 		j += num_bytes;
5451 		num_bytes = get_long_from_buf(tp + j, &val);
5452 		if (num_bytes == -1)
5453 		    break;
5454 		scrollbar_value = val;
5455 		j += num_bytes;
5456 		slen = j;
5457 	    }
5458 	    if (i == 0)		/* not enough characters to make one */
5459 		return -1;
5460 	}
5461 	else if (key_name[0] == (int)KS_HOR_SCROLLBAR)
5462 	{
5463 	    long_u	val;
5464 
5465 	    /* Get the last horiz. scrollbar event in the queue */
5466 	    j = 0;
5467 	    for (i = 0; tp[j] == CSI && tp[j + 1] == KS_HOR_SCROLLBAR
5468 						     && tp[j + 2] != NUL; ++i)
5469 	    {
5470 		j += 3;
5471 		num_bytes = get_long_from_buf(tp + j, &val);
5472 		if (num_bytes == -1)
5473 		    break;
5474 		scrollbar_value = val;
5475 		j += num_bytes;
5476 		slen = j;
5477 	    }
5478 	    if (i == 0)		/* not enough characters to make one */
5479 		return -1;
5480 	}
5481 # endif /* !USE_ON_FLY_SCROLL */
5482 #endif /* FEAT_GUI */
5483 
5484 	/*
5485 	 * Change <xHome> to <Home>, <xUp> to <Up>, etc.
5486 	 */
5487 	key = handle_x_keys(TERMCAP2KEY(key_name[0], key_name[1]));
5488 
5489 	/*
5490 	 * Add any modifier codes to our string.
5491 	 */
5492 	new_slen = 0;		/* Length of what will replace the termcode */
5493 	if (modifiers != 0)
5494 	{
5495 	    /* Some keys have the modifier included.  Need to handle that here
5496 	     * to make mappings work. */
5497 	    key = simplify_key(key, &modifiers);
5498 	    if (modifiers != 0)
5499 	    {
5500 		string[new_slen++] = K_SPECIAL;
5501 		string[new_slen++] = (int)KS_MODIFIER;
5502 		string[new_slen++] = modifiers;
5503 	    }
5504 	}
5505 
5506 	/* Finally, add the special key code to our string */
5507 	key_name[0] = KEY2TERMCAP0(key);
5508 	key_name[1] = KEY2TERMCAP1(key);
5509 	if (key_name[0] == KS_KEY)
5510 	{
5511 	    /* from ":set <M-b>=xx" */
5512 #ifdef FEAT_MBYTE
5513 	    if (has_mbyte)
5514 		new_slen += (*mb_char2bytes)(key_name[1], string + new_slen);
5515 	    else
5516 #endif
5517 		string[new_slen++] = key_name[1];
5518 	}
5519 	else if (new_slen == 0 && key_name[0] == KS_EXTRA
5520 						  && key_name[1] == KE_IGNORE)
5521 	{
5522 	    /* Do not put K_IGNORE into the buffer, do return KEYLEN_REMOVED
5523 	     * to indicate what happened. */
5524 	    retval = KEYLEN_REMOVED;
5525 	}
5526 	else
5527 	{
5528 	    string[new_slen++] = K_SPECIAL;
5529 	    string[new_slen++] = key_name[0];
5530 	    string[new_slen++] = key_name[1];
5531 	}
5532 	string[new_slen] = NUL;
5533 	extra = new_slen - slen;
5534 	if (buf == NULL)
5535 	{
5536 	    if (extra < 0)
5537 		/* remove matched chars, taking care of noremap */
5538 		del_typebuf(-extra, offset);
5539 	    else if (extra > 0)
5540 		/* insert the extra space we need */
5541 		ins_typebuf(string + slen, REMAP_YES, offset, FALSE, FALSE);
5542 
5543 	    /*
5544 	     * Careful: del_typebuf() and ins_typebuf() may have reallocated
5545 	     * typebuf.tb_buf[]!
5546 	     */
5547 	    mch_memmove(typebuf.tb_buf + typebuf.tb_off + offset, string,
5548 							    (size_t)new_slen);
5549 	}
5550 	else
5551 	{
5552 	    if (extra < 0)
5553 		/* remove matched characters */
5554 		mch_memmove(buf + offset, buf + offset - extra,
5555 					   (size_t)(*buflen + offset + extra));
5556 	    else if (extra > 0)
5557 	    {
5558 		/* Insert the extra space we need.  If there is insufficient
5559 		 * space return -1. */
5560 		if (*buflen + extra + new_slen >= bufsize)
5561 		    return -1;
5562 		mch_memmove(buf + offset + extra, buf + offset,
5563 						   (size_t)(*buflen - offset));
5564 	    }
5565 	    mch_memmove(buf + offset, string, (size_t)new_slen);
5566 	    *buflen = *buflen + extra + new_slen;
5567 	}
5568 	return retval == 0 ? (len + extra + offset) : retval;
5569     }
5570 
5571 #ifdef FEAT_TERMRESPONSE
5572     LOG_TR("normal character");
5573 #endif
5574 
5575     return 0;			    /* no match found */
5576 }
5577 
5578 /*
5579  * Replace any terminal code strings in from[] with the equivalent internal
5580  * vim representation.	This is used for the "from" and "to" part of a
5581  * mapping, and the "to" part of a menu command.
5582  * Any strings like "<C-UP>" are also replaced, unless 'cpoptions' contains
5583  * '<'.
5584  * K_SPECIAL by itself is replaced by K_SPECIAL KS_SPECIAL KE_FILLER.
5585  *
5586  * The replacement is done in result[] and finally copied into allocated
5587  * memory. If this all works well *bufp is set to the allocated memory and a
5588  * pointer to it is returned. If something fails *bufp is set to NULL and from
5589  * is returned.
5590  *
5591  * CTRL-V characters are removed.  When "from_part" is TRUE, a trailing CTRL-V
5592  * is included, otherwise it is removed (for ":map xx ^V", maps xx to
5593  * nothing).  When 'cpoptions' does not contain 'B', a backslash can be used
5594  * instead of a CTRL-V.
5595  */
5596     char_u *
5597 replace_termcodes(
5598     char_u	*from,
5599     char_u	**bufp,
5600     int		from_part,
5601     int		do_lt,		/* also translate <lt> */
5602     int		special)	/* always accept <key> notation */
5603 {
5604     int		i;
5605     int		slen;
5606     int		key;
5607     int		dlen = 0;
5608     char_u	*src;
5609     int		do_backslash;	/* backslash is a special character */
5610     int		do_special;	/* recognize <> key codes */
5611     int		do_key_code;	/* recognize raw key codes */
5612     char_u	*result;	/* buffer for resulting string */
5613 
5614     do_backslash = (vim_strchr(p_cpo, CPO_BSLASH) == NULL);
5615     do_special = (vim_strchr(p_cpo, CPO_SPECI) == NULL) || special;
5616     do_key_code = (vim_strchr(p_cpo, CPO_KEYCODE) == NULL);
5617 
5618     /*
5619      * Allocate space for the translation.  Worst case a single character is
5620      * replaced by 6 bytes (shifted special key), plus a NUL at the end.
5621      */
5622     result = alloc((unsigned)STRLEN(from) * 6 + 1);
5623     if (result == NULL)		/* out of memory */
5624     {
5625 	*bufp = NULL;
5626 	return from;
5627     }
5628 
5629     src = from;
5630 
5631     /*
5632      * Check for #n at start only: function key n
5633      */
5634     if (from_part && src[0] == '#' && VIM_ISDIGIT(src[1]))  /* function key */
5635     {
5636 	result[dlen++] = K_SPECIAL;
5637 	result[dlen++] = 'k';
5638 	if (src[1] == '0')
5639 	    result[dlen++] = ';';	/* #0 is F10 is "k;" */
5640 	else
5641 	    result[dlen++] = src[1];	/* #3 is F3 is "k3" */
5642 	src += 2;
5643     }
5644 
5645     /*
5646      * Copy each byte from *from to result[dlen]
5647      */
5648     while (*src != NUL)
5649     {
5650 	/*
5651 	 * If 'cpoptions' does not contain '<', check for special key codes,
5652 	 * like "<C-S-LeftMouse>"
5653 	 */
5654 	if (do_special && (do_lt || STRNCMP(src, "<lt>", 4) != 0))
5655 	{
5656 #ifdef FEAT_EVAL
5657 	    /*
5658 	     * Replace <SID> by K_SNR <script-nr> _.
5659 	     * (room: 5 * 6 = 30 bytes; needed: 3 + <nr> + 1 <= 14)
5660 	     */
5661 	    if (STRNICMP(src, "<SID>", 5) == 0)
5662 	    {
5663 		if (current_SID <= 0)
5664 		    EMSG(_(e_usingsid));
5665 		else
5666 		{
5667 		    src += 5;
5668 		    result[dlen++] = K_SPECIAL;
5669 		    result[dlen++] = (int)KS_EXTRA;
5670 		    result[dlen++] = (int)KE_SNR;
5671 		    sprintf((char *)result + dlen, "%ld", (long)current_SID);
5672 		    dlen += (int)STRLEN(result + dlen);
5673 		    result[dlen++] = '_';
5674 		    continue;
5675 		}
5676 	    }
5677 #endif
5678 
5679 	    slen = trans_special(&src, result + dlen, TRUE, FALSE);
5680 	    if (slen)
5681 	    {
5682 		dlen += slen;
5683 		continue;
5684 	    }
5685 	}
5686 
5687 	/*
5688 	 * If 'cpoptions' does not contain 'k', see if it's an actual key-code.
5689 	 * Note that this is also checked after replacing the <> form.
5690 	 * Single character codes are NOT replaced (e.g. ^H or DEL), because
5691 	 * it could be a character in the file.
5692 	 */
5693 	if (do_key_code)
5694 	{
5695 	    i = find_term_bykeys(src);
5696 	    if (i >= 0)
5697 	    {
5698 		result[dlen++] = K_SPECIAL;
5699 		result[dlen++] = termcodes[i].name[0];
5700 		result[dlen++] = termcodes[i].name[1];
5701 		src += termcodes[i].len;
5702 		/* If terminal code matched, continue after it. */
5703 		continue;
5704 	    }
5705 	}
5706 
5707 #ifdef FEAT_EVAL
5708 	if (do_special)
5709 	{
5710 	    char_u	*p, *s, len;
5711 
5712 	    /*
5713 	     * Replace <Leader> by the value of "mapleader".
5714 	     * Replace <LocalLeader> by the value of "maplocalleader".
5715 	     * If "mapleader" or "maplocalleader" isn't set use a backslash.
5716 	     */
5717 	    if (STRNICMP(src, "<Leader>", 8) == 0)
5718 	    {
5719 		len = 8;
5720 		p = get_var_value((char_u *)"g:mapleader");
5721 	    }
5722 	    else if (STRNICMP(src, "<LocalLeader>", 13) == 0)
5723 	    {
5724 		len = 13;
5725 		p = get_var_value((char_u *)"g:maplocalleader");
5726 	    }
5727 	    else
5728 	    {
5729 		len = 0;
5730 		p = NULL;
5731 	    }
5732 	    if (len != 0)
5733 	    {
5734 		/* Allow up to 8 * 6 characters for "mapleader". */
5735 		if (p == NULL || *p == NUL || STRLEN(p) > 8 * 6)
5736 		    s = (char_u *)"\\";
5737 		else
5738 		    s = p;
5739 		while (*s != NUL)
5740 		    result[dlen++] = *s++;
5741 		src += len;
5742 		continue;
5743 	    }
5744 	}
5745 #endif
5746 
5747 	/*
5748 	 * Remove CTRL-V and ignore the next character.
5749 	 * For "from" side the CTRL-V at the end is included, for the "to"
5750 	 * part it is removed.
5751 	 * If 'cpoptions' does not contain 'B', also accept a backslash.
5752 	 */
5753 	key = *src;
5754 	if (key == Ctrl_V || (do_backslash && key == '\\'))
5755 	{
5756 	    ++src;				/* skip CTRL-V or backslash */
5757 	    if (*src == NUL)
5758 	    {
5759 		if (from_part)
5760 		    result[dlen++] = key;
5761 		break;
5762 	    }
5763 	}
5764 
5765 #ifdef FEAT_MBYTE
5766 	/* skip multibyte char correctly */
5767 	for (i = (*mb_ptr2len)(src); i > 0; --i)
5768 #endif
5769 	{
5770 	    /*
5771 	     * If the character is K_SPECIAL, replace it with K_SPECIAL
5772 	     * KS_SPECIAL KE_FILLER.
5773 	     * If compiled with the GUI replace CSI with K_CSI.
5774 	     */
5775 	    if (*src == K_SPECIAL)
5776 	    {
5777 		result[dlen++] = K_SPECIAL;
5778 		result[dlen++] = KS_SPECIAL;
5779 		result[dlen++] = KE_FILLER;
5780 	    }
5781 # ifdef FEAT_GUI
5782 	    else if (*src == CSI)
5783 	    {
5784 		result[dlen++] = K_SPECIAL;
5785 		result[dlen++] = KS_EXTRA;
5786 		result[dlen++] = (int)KE_CSI;
5787 	    }
5788 # endif
5789 	    else
5790 		result[dlen++] = *src;
5791 	    ++src;
5792 	}
5793     }
5794     result[dlen] = NUL;
5795 
5796     /*
5797      * Copy the new string to allocated memory.
5798      * If this fails, just return from.
5799      */
5800     if ((*bufp = vim_strsave(result)) != NULL)
5801 	from = *bufp;
5802     vim_free(result);
5803     return from;
5804 }
5805 
5806 /*
5807  * Find a termcode with keys 'src' (must be NUL terminated).
5808  * Return the index in termcodes[], or -1 if not found.
5809  */
5810     int
5811 find_term_bykeys(char_u *src)
5812 {
5813     int		i;
5814     int		slen = (int)STRLEN(src);
5815 
5816     for (i = 0; i < tc_len; ++i)
5817     {
5818 	if (slen == termcodes[i].len
5819 			&& STRNCMP(termcodes[i].code, src, (size_t)slen) == 0)
5820 	    return i;
5821     }
5822     return -1;
5823 }
5824 
5825 /*
5826  * Gather the first characters in the terminal key codes into a string.
5827  * Used to speed up check_termcode().
5828  */
5829     static void
5830 gather_termleader(void)
5831 {
5832     int	    i;
5833     int	    len = 0;
5834 
5835 #ifdef FEAT_GUI
5836     if (gui.in_use)
5837 	termleader[len++] = CSI;    /* the GUI codes are not in termcodes[] */
5838 #endif
5839 #ifdef FEAT_TERMRESPONSE
5840     if (check_for_codes)
5841 	termleader[len++] = DCS;    /* the termcode response starts with DCS
5842 				       in 8-bit mode */
5843 #endif
5844     termleader[len] = NUL;
5845 
5846     for (i = 0; i < tc_len; ++i)
5847 	if (vim_strchr(termleader, termcodes[i].code[0]) == NULL)
5848 	{
5849 	    termleader[len++] = termcodes[i].code[0];
5850 	    termleader[len] = NUL;
5851 	}
5852 
5853     need_gather = FALSE;
5854 }
5855 
5856 /*
5857  * Show all termcodes (for ":set termcap")
5858  * This code looks a lot like showoptions(), but is different.
5859  */
5860     void
5861 show_termcodes(void)
5862 {
5863     int		col;
5864     int		*items;
5865     int		item_count;
5866     int		run;
5867     int		row, rows;
5868     int		cols;
5869     int		i;
5870     int		len;
5871 
5872 #define INC3 27	    /* try to make three columns */
5873 #define INC2 40	    /* try to make two columns */
5874 #define GAP 2	    /* spaces between columns */
5875 
5876     if (tc_len == 0)	    /* no terminal codes (must be GUI) */
5877 	return;
5878     items = (int *)alloc((unsigned)(sizeof(int) * tc_len));
5879     if (items == NULL)
5880 	return;
5881 
5882     /* Highlight title */
5883     MSG_PUTS_TITLE(_("\n--- Terminal keys ---"));
5884 
5885     /*
5886      * do the loop two times:
5887      * 1. display the short items (non-strings and short strings)
5888      * 2. display the medium items (medium length strings)
5889      * 3. display the long items (remaining strings)
5890      */
5891     for (run = 1; run <= 3 && !got_int; ++run)
5892     {
5893 	/*
5894 	 * collect the items in items[]
5895 	 */
5896 	item_count = 0;
5897 	for (i = 0; i < tc_len; i++)
5898 	{
5899 	    len = show_one_termcode(termcodes[i].name,
5900 						    termcodes[i].code, FALSE);
5901 	    if (len <= INC3 - GAP ? run == 1
5902 			: len <= INC2 - GAP ? run == 2
5903 			: run == 3)
5904 		items[item_count++] = i;
5905 	}
5906 
5907 	/*
5908 	 * display the items
5909 	 */
5910 	if (run <= 2)
5911 	{
5912 	    cols = (Columns + GAP) / (run == 1 ? INC3 : INC2);
5913 	    if (cols == 0)
5914 		cols = 1;
5915 	    rows = (item_count + cols - 1) / cols;
5916 	}
5917 	else	/* run == 3 */
5918 	    rows = item_count;
5919 	for (row = 0; row < rows && !got_int; ++row)
5920 	{
5921 	    msg_putchar('\n');			/* go to next line */
5922 	    if (got_int)			/* 'q' typed in more */
5923 		break;
5924 	    col = 0;
5925 	    for (i = row; i < item_count; i += rows)
5926 	    {
5927 		msg_col = col;			/* make columns */
5928 		show_one_termcode(termcodes[items[i]].name,
5929 					      termcodes[items[i]].code, TRUE);
5930 		if (run == 2)
5931 		    col += INC2;
5932 		else
5933 		    col += INC3;
5934 	    }
5935 	    out_flush();
5936 	    ui_breakcheck();
5937 	}
5938     }
5939     vim_free(items);
5940 }
5941 
5942 /*
5943  * Show one termcode entry.
5944  * Output goes into IObuff[]
5945  */
5946     int
5947 show_one_termcode(char_u *name, char_u *code, int printit)
5948 {
5949     char_u	*p;
5950     int		len;
5951 
5952     if (name[0] > '~')
5953     {
5954 	IObuff[0] = ' ';
5955 	IObuff[1] = ' ';
5956 	IObuff[2] = ' ';
5957 	IObuff[3] = ' ';
5958     }
5959     else
5960     {
5961 	IObuff[0] = 't';
5962 	IObuff[1] = '_';
5963 	IObuff[2] = name[0];
5964 	IObuff[3] = name[1];
5965     }
5966     IObuff[4] = ' ';
5967 
5968     p = get_special_key_name(TERMCAP2KEY(name[0], name[1]), 0);
5969     if (p[1] != 't')
5970 	STRCPY(IObuff + 5, p);
5971     else
5972 	IObuff[5] = NUL;
5973     len = (int)STRLEN(IObuff);
5974     do
5975 	IObuff[len++] = ' ';
5976     while (len < 17);
5977     IObuff[len] = NUL;
5978     if (code == NULL)
5979 	len += 4;
5980     else
5981 	len += vim_strsize(code);
5982 
5983     if (printit)
5984     {
5985 	msg_puts(IObuff);
5986 	if (code == NULL)
5987 	    msg_puts((char_u *)"NULL");
5988 	else
5989 	    msg_outtrans(code);
5990     }
5991     return len;
5992 }
5993 
5994 #if defined(FEAT_TERMRESPONSE) || defined(PROTO)
5995 /*
5996  * For Xterm >= 140 compiled with OPT_TCAP_QUERY: Obtain the actually used
5997  * termcap codes from the terminal itself.
5998  * We get them one by one to avoid a very long response string.
5999  */
6000 static int xt_index_in = 0;
6001 static int xt_index_out = 0;
6002 
6003     static void
6004 req_codes_from_term(void)
6005 {
6006     xt_index_out = 0;
6007     xt_index_in = 0;
6008     req_more_codes_from_term();
6009 }
6010 
6011     static void
6012 req_more_codes_from_term(void)
6013 {
6014     char	buf[11];
6015     int		old_idx = xt_index_out;
6016 
6017     /* Don't do anything when going to exit. */
6018     if (exiting)
6019 	return;
6020 
6021     /* Send up to 10 more requests out than we received.  Avoid sending too
6022      * many, there can be a buffer overflow somewhere. */
6023     while (xt_index_out < xt_index_in + 10 && key_names[xt_index_out] != NULL)
6024     {
6025 # ifdef DEBUG_TERMRESPONSE
6026 	char dbuf[100];
6027 
6028 	sprintf(dbuf, "Requesting XT %d: %s",
6029 				       xt_index_out, key_names[xt_index_out]);
6030 	log_tr(dbuf);
6031 # endif
6032 	sprintf(buf, "\033P+q%02x%02x\033\\",
6033 		      key_names[xt_index_out][0], key_names[xt_index_out][1]);
6034 	out_str_nf((char_u *)buf);
6035 	++xt_index_out;
6036     }
6037 
6038     /* Send the codes out right away. */
6039     if (xt_index_out != old_idx)
6040 	out_flush();
6041 }
6042 
6043 /*
6044  * Decode key code response from xterm: '<Esc>P1+r<name>=<string><Esc>\'.
6045  * A "0" instead of the "1" indicates a code that isn't supported.
6046  * Both <name> and <string> are encoded in hex.
6047  * "code" points to the "0" or "1".
6048  */
6049     static void
6050 got_code_from_term(char_u *code, int len)
6051 {
6052 #define XT_LEN 100
6053     char_u	name[3];
6054     char_u	str[XT_LEN];
6055     int		i;
6056     int		j = 0;
6057     int		c;
6058 
6059     /* A '1' means the code is supported, a '0' means it isn't.
6060      * When half the length is > XT_LEN we can't use it.
6061      * Our names are currently all 2 characters. */
6062     if (code[0] == '1' && code[7] == '=' && len / 2 < XT_LEN)
6063     {
6064 	/* Get the name from the response and find it in the table. */
6065 	name[0] = hexhex2nr(code + 3);
6066 	name[1] = hexhex2nr(code + 5);
6067 	name[2] = NUL;
6068 	for (i = 0; key_names[i] != NULL; ++i)
6069 	{
6070 	    if (STRCMP(key_names[i], name) == 0)
6071 	    {
6072 		xt_index_in = i;
6073 		break;
6074 	    }
6075 	}
6076 # ifdef DEBUG_TERMRESPONSE
6077 	{
6078 	    char buf[100];
6079 
6080 	    sprintf(buf, "Received XT %d: %s", xt_index_in, (char *)name);
6081 	    log_tr(buf);
6082 	}
6083 # endif
6084 	if (key_names[i] != NULL)
6085 	{
6086 	    for (i = 8; (c = hexhex2nr(code + i)) >= 0; i += 2)
6087 		str[j++] = c;
6088 	    str[j] = NUL;
6089 	    if (name[0] == 'C' && name[1] == 'o')
6090 	    {
6091 		/* Color count is not a key code. */
6092 		i = atoi((char *)str);
6093 		may_adjust_color_count(i);
6094 	    }
6095 	    else
6096 	    {
6097 		/* First delete any existing entry with the same code. */
6098 		i = find_term_bykeys(str);
6099 		if (i >= 0)
6100 		    del_termcode_idx(i);
6101 		add_termcode(name, str, ATC_FROM_TERM);
6102 	    }
6103 	}
6104     }
6105 
6106     /* May request more codes now that we received one. */
6107     ++xt_index_in;
6108     req_more_codes_from_term();
6109 }
6110 
6111 /*
6112  * Check if there are any unanswered requests and deal with them.
6113  * This is called before starting an external program or getting direct
6114  * keyboard input.  We don't want responses to be send to that program or
6115  * handled as typed text.
6116  */
6117     static void
6118 check_for_codes_from_term(void)
6119 {
6120     int		c;
6121 
6122     /* If no codes requested or all are answered, no need to wait. */
6123     if (xt_index_out == 0 || xt_index_out == xt_index_in)
6124 	return;
6125 
6126     /* Vgetc() will check for and handle any response.
6127      * Keep calling vpeekc() until we don't get any responses. */
6128     ++no_mapping;
6129     ++allow_keys;
6130     for (;;)
6131     {
6132 	c = vpeekc();
6133 	if (c == NUL)	    /* nothing available */
6134 	    break;
6135 
6136 	/* If a response is recognized it's replaced with K_IGNORE, must read
6137 	 * it from the input stream.  If there is no K_IGNORE we can't do
6138 	 * anything, break here (there might be some responses further on, but
6139 	 * we don't want to throw away any typed chars). */
6140 	if (c != K_SPECIAL && c != K_IGNORE)
6141 	    break;
6142 	c = vgetc();
6143 	if (c != K_IGNORE)
6144 	{
6145 	    vungetc(c);
6146 	    break;
6147 	}
6148     }
6149     --no_mapping;
6150     --allow_keys;
6151 }
6152 #endif
6153 
6154 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6155 /*
6156  * Translate an internal mapping/abbreviation representation into the
6157  * corresponding external one recognized by :map/:abbrev commands;
6158  * respects the current B/k/< settings of 'cpoption'.
6159  *
6160  * This function is called when expanding mappings/abbreviations on the
6161  * command-line, and for building the "Ambiguous mapping..." error message.
6162  *
6163  * It uses a growarray to build the translation string since the
6164  * latter can be wider than the original description. The caller has to
6165  * free the string afterwards.
6166  *
6167  * Returns NULL when there is a problem.
6168  */
6169     char_u *
6170 translate_mapping(
6171     char_u	*str,
6172     int		expmap)  /* TRUE when expanding mappings on command-line */
6173 {
6174     garray_T	ga;
6175     int		c;
6176     int		modifiers;
6177     int		cpo_bslash;
6178     int		cpo_special;
6179     int		cpo_keycode;
6180 
6181     ga_init(&ga);
6182     ga.ga_itemsize = 1;
6183     ga.ga_growsize = 40;
6184 
6185     cpo_bslash = (vim_strchr(p_cpo, CPO_BSLASH) != NULL);
6186     cpo_special = (vim_strchr(p_cpo, CPO_SPECI) != NULL);
6187     cpo_keycode = (vim_strchr(p_cpo, CPO_KEYCODE) == NULL);
6188 
6189     for (; *str; ++str)
6190     {
6191 	c = *str;
6192 	if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL)
6193 	{
6194 	    modifiers = 0;
6195 	    if (str[1] == KS_MODIFIER)
6196 	    {
6197 		str++;
6198 		modifiers = *++str;
6199 		c = *++str;
6200 	    }
6201 	    if (cpo_special && cpo_keycode && c == K_SPECIAL && !modifiers)
6202 	    {
6203 		int	i;
6204 
6205 		/* try to find special key in termcodes */
6206 		for (i = 0; i < tc_len; ++i)
6207 		    if (termcodes[i].name[0] == str[1]
6208 					    && termcodes[i].name[1] == str[2])
6209 			break;
6210 		if (i < tc_len)
6211 		{
6212 		    ga_concat(&ga, termcodes[i].code);
6213 		    str += 2;
6214 		    continue; /* for (str) */
6215 		}
6216 	    }
6217 	    if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL)
6218 	    {
6219 		if (expmap && cpo_special)
6220 		{
6221 		    ga_clear(&ga);
6222 		    return NULL;
6223 		}
6224 		c = TO_SPECIAL(str[1], str[2]);
6225 		if (c == K_ZERO)	/* display <Nul> as ^@ */
6226 		    c = NUL;
6227 		str += 2;
6228 	    }
6229 	    if (IS_SPECIAL(c) || modifiers)	/* special key */
6230 	    {
6231 		if (expmap && cpo_special)
6232 		{
6233 		    ga_clear(&ga);
6234 		    return NULL;
6235 		}
6236 		ga_concat(&ga, get_special_key_name(c, modifiers));
6237 		continue; /* for (str) */
6238 	    }
6239 	}
6240 	if (c == ' ' || c == '\t' || c == Ctrl_J || c == Ctrl_V
6241 	    || (c == '<' && !cpo_special) || (c == '\\' && !cpo_bslash))
6242 	    ga_append(&ga, cpo_bslash ? Ctrl_V : '\\');
6243 	if (c)
6244 	    ga_append(&ga, c);
6245     }
6246     ga_append(&ga, NUL);
6247     return (char_u *)(ga.ga_data);
6248 }
6249 #endif
6250 
6251 #if (defined(WIN3264) && !defined(FEAT_GUI)) || defined(PROTO)
6252 static char ksme_str[20];
6253 static char ksmr_str[20];
6254 static char ksmd_str[20];
6255 
6256 /*
6257  * For Win32 console: update termcap codes for existing console attributes.
6258  */
6259     void
6260 update_tcap(int attr)
6261 {
6262     struct builtin_term *p;
6263 
6264     p = find_builtin_term(DEFAULT_TERM);
6265     sprintf(ksme_str, IF_EB("\033|%dm", ESC_STR "|%dm"), attr);
6266     sprintf(ksmd_str, IF_EB("\033|%dm", ESC_STR "|%dm"),
6267 				     attr | 0x08);  /* FOREGROUND_INTENSITY */
6268     sprintf(ksmr_str, IF_EB("\033|%dm", ESC_STR "|%dm"),
6269 				 ((attr & 0x0F) << 4) | ((attr & 0xF0) >> 4));
6270 
6271     while (p->bt_string != NULL)
6272     {
6273       if (p->bt_entry == (int)KS_ME)
6274 	  p->bt_string = &ksme_str[0];
6275       else if (p->bt_entry == (int)KS_MR)
6276 	  p->bt_string = &ksmr_str[0];
6277       else if (p->bt_entry == (int)KS_MD)
6278 	  p->bt_string = &ksmd_str[0];
6279       ++p;
6280     }
6281 }
6282 #endif
6283 
6284 #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO)
6285     static int
6286 hex_digit(int c)
6287 {
6288     if (isdigit(c))
6289 	return c - '0';
6290     c = TOLOWER_ASC(c);
6291     if (c >= 'a' && c <= 'f')
6292 	return c - 'a' + 10;
6293     return 0x1ffffff;
6294 }
6295 
6296     guicolor_T
6297 gui_get_color_cmn(char_u *name)
6298 {
6299     /* On MS-Windows an RGB macro is available and it produces 0x00bbggrr color
6300      * values as used by the MS-Windows GDI api.  It should be used only for
6301      * MS-Windows GDI builds. */
6302 # if defined(RGB) && defined(WIN32) && !defined(FEAT_GUI)
6303 #  undef RGB
6304 # endif
6305 # ifndef RGB
6306 #  define RGB(r, g, b)	((r<<16) | (g<<8) | (b))
6307 # endif
6308 # define LINE_LEN 100
6309     FILE	*fd;
6310     char	line[LINE_LEN];
6311     char_u	*fname;
6312     int		r, g, b, i;
6313     guicolor_T  color;
6314 
6315     struct rgbcolor_table_S {
6316 	char_u	    *color_name;
6317 	guicolor_T  color;
6318     };
6319 
6320     /* Only non X11 colors (not present in rgb.txt) and colors in
6321      * color_names[], useful when $VIMRUNTIME is not found,. */
6322     static struct rgbcolor_table_S rgb_table[] = {
6323 	    {(char_u *)"black",		RGB(0x00, 0x00, 0x00)},
6324 	    {(char_u *)"blue",		RGB(0x00, 0x00, 0xFF)},
6325 	    {(char_u *)"brown",		RGB(0xA5, 0x2A, 0x2A)},
6326 	    {(char_u *)"cyan",		RGB(0x00, 0xFF, 0xFF)},
6327 	    {(char_u *)"darkblue",	RGB(0x00, 0x00, 0x8B)},
6328 	    {(char_u *)"darkcyan",	RGB(0x00, 0x8B, 0x8B)},
6329 	    {(char_u *)"darkgray",	RGB(0xA9, 0xA9, 0xA9)},
6330 	    {(char_u *)"darkgreen",	RGB(0x00, 0x64, 0x00)},
6331 	    {(char_u *)"darkgrey",	RGB(0xA9, 0xA9, 0xA9)},
6332 	    {(char_u *)"darkmagenta",	RGB(0x8B, 0x00, 0x8B)},
6333 	    {(char_u *)"darkred",	RGB(0x8B, 0x00, 0x00)},
6334 	    {(char_u *)"darkyellow",	RGB(0x8B, 0x8B, 0x00)}, /* No X11 */
6335 	    {(char_u *)"gray",		RGB(0xBE, 0xBE, 0xBE)},
6336 	    {(char_u *)"green",		RGB(0x00, 0xFF, 0x00)},
6337 	    {(char_u *)"grey",		RGB(0xBE, 0xBE, 0xBE)},
6338 	    {(char_u *)"grey40",	RGB(0x66, 0x66, 0x66)},
6339 	    {(char_u *)"grey90",	RGB(0xE5, 0xE5, 0xE5)},
6340 	    {(char_u *)"lightblue",	RGB(0xAD, 0xD8, 0xE6)},
6341 	    {(char_u *)"lightcyan",	RGB(0xE0, 0xFF, 0xFF)},
6342 	    {(char_u *)"lightgray",	RGB(0xD3, 0xD3, 0xD3)},
6343 	    {(char_u *)"lightgreen",	RGB(0x90, 0xEE, 0x90)},
6344 	    {(char_u *)"lightgrey",	RGB(0xD3, 0xD3, 0xD3)},
6345 	    {(char_u *)"lightmagenta",	RGB(0xFF, 0x8B, 0xFF)}, /* No X11 */
6346 	    {(char_u *)"lightred",	RGB(0xFF, 0x8B, 0x8B)}, /* No X11 */
6347 	    {(char_u *)"lightyellow",	RGB(0xFF, 0xFF, 0xE0)},
6348 	    {(char_u *)"magenta",	RGB(0xFF, 0x00, 0xFF)},
6349 	    {(char_u *)"red",		RGB(0xFF, 0x00, 0x00)},
6350 	    {(char_u *)"seagreen",	RGB(0x2E, 0x8B, 0x57)},
6351 	    {(char_u *)"white",		RGB(0xFF, 0xFF, 0xFF)},
6352 	    {(char_u *)"yellow",	RGB(0xFF, 0xFF, 0x00)},
6353     };
6354 
6355     static struct rgbcolor_table_S *colornames_table;
6356     static int size = 0;
6357 
6358     if (name[0] == '#' && STRLEN(name) == 7)
6359     {
6360 	/* Name is in "#rrggbb" format */
6361 	color = RGB(((hex_digit(name[1]) << 4) + hex_digit(name[2])),
6362 		    ((hex_digit(name[3]) << 4) + hex_digit(name[4])),
6363 		    ((hex_digit(name[5]) << 4) + hex_digit(name[6])));
6364 	if (color > 0xffffff)
6365 	    return INVALCOLOR;
6366 	return color;
6367     }
6368 
6369     /* Check if the name is one of the colors we know */
6370     for (i = 0; i < (int)(sizeof(rgb_table) / sizeof(rgb_table[0])); i++)
6371 	if (STRICMP(name, rgb_table[i].color_name) == 0)
6372 	    return rgb_table[i].color;
6373 
6374     /*
6375      * Last attempt. Look in the file "$VIM/rgb.txt".
6376      */
6377     if (size == 0)
6378     {
6379 	int counting;
6380 
6381 	/* colornames_table not yet initialized */
6382 	fname = expand_env_save((char_u *)"$VIMRUNTIME/rgb.txt");
6383 	if (fname == NULL)
6384 	    return INVALCOLOR;
6385 
6386 	fd = fopen((char *)fname, "rt");
6387 	vim_free(fname);
6388 	if (fd == NULL)
6389 	{
6390 	    if (p_verbose > 1)
6391 		verb_msg((char_u *)_("Cannot open $VIMRUNTIME/rgb.txt"));
6392 	    return INVALCOLOR;
6393 	}
6394 
6395 	for (counting = 1; counting >= 0; --counting)
6396 	{
6397 	    if (!counting)
6398 	    {
6399 		colornames_table = (struct rgbcolor_table_S *)alloc(
6400 			   (unsigned)(sizeof(struct rgbcolor_table_S) * size));
6401 		if (colornames_table == NULL)
6402 		{
6403 		    fclose(fd);
6404 		    return INVALCOLOR;
6405 		}
6406 		rewind(fd);
6407 	    }
6408 	    size = 0;
6409 
6410 	    while (!feof(fd))
6411 	    {
6412 		size_t	len;
6413 		int	pos;
6414 
6415 		ignoredp = fgets(line, LINE_LEN, fd);
6416 		len = strlen(line);
6417 
6418 		if (len <= 1 || line[len - 1] != '\n')
6419 		    continue;
6420 
6421 		line[len - 1] = '\0';
6422 
6423 		i = sscanf(line, "%d %d %d %n", &r, &g, &b, &pos);
6424 		if (i != 3)
6425 		    continue;
6426 
6427 		if (!counting)
6428 		{
6429 		    char_u *s = vim_strsave((char_u *)line + pos);
6430 
6431 		    if (s == NULL)
6432 		    {
6433 			fclose(fd);
6434 			return INVALCOLOR;
6435 		    }
6436 		    colornames_table[size].color_name = s;
6437 		    colornames_table[size].color = (guicolor_T)RGB(r, g, b);
6438 		}
6439 		size++;
6440 	    }
6441 	}
6442 	fclose(fd);
6443     }
6444 
6445     for (i = 0; i < size; i++)
6446 	if (STRICMP(name, colornames_table[i].color_name) == 0)
6447 	    return colornames_table[i].color;
6448 
6449     return INVALCOLOR;
6450 }
6451 
6452     guicolor_T
6453 gui_get_rgb_color_cmn(int r, int g, int b)
6454 {
6455     guicolor_T  color = RGB(r, g, b);
6456 
6457     if (color > 0xffffff)
6458 	return INVALCOLOR;
6459     return color;
6460 }
6461 #endif
6462