xref: /vim-8.2.3635/src/term.c (revision e16b00a1)
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 #  ifdef TERMINFO
821     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
822 						  ESC_STR "[%i%p1%d;%p2%dH")},
823 #  else
824     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
825 #  endif
826     {(int)KS_SR,	IF_EB("\033M", ESC_STR "M")},
827 #  ifdef TERMINFO
828     {(int)KS_CRI,	IF_EB("\033[%p1%dC", ESC_STR "[%p1%dC")},
829 #  else
830     {(int)KS_CRI,	IF_EB("\033[%dC", ESC_STR "[%dC")},
831 #  endif
832     {(int)KS_KS,	IF_EB("\033[?1h\033=", ESC_STR "[?1h" ESC_STR_nc "=")},
833     {(int)KS_KE,	IF_EB("\033[?1l\033>", ESC_STR "[?1l" ESC_STR_nc ">")},
834 #  ifdef FEAT_XTERM_SAVE
835     {(int)KS_TI,	IF_EB("\0337\033[?47h", ESC_STR "7" ESC_STR_nc "[?47h")},
836     {(int)KS_TE,	IF_EB("\033[2J\033[?47l\0338",
837 				  ESC_STR "[2J" ESC_STR_nc "[?47l" ESC_STR_nc "8")},
838 #  endif
839     {(int)KS_CIS,	IF_EB("\033]1;", ESC_STR "]1;")},
840     {(int)KS_CIE,	"\007"},
841     {(int)KS_TS,	IF_EB("\033]2;", ESC_STR "]2;")},
842     {(int)KS_FS,	"\007"},
843 #  ifdef TERMINFO
844     {(int)KS_CWS,	IF_EB("\033[8;%p1%d;%p2%dt",
845 						  ESC_STR "[8;%p1%d;%p2%dt")},
846     {(int)KS_CWP,	IF_EB("\033[3;%p1%d;%p2%dt",
847 						  ESC_STR "[3;%p1%d;%p2%dt")},
848     {(int)KS_CGP,	IF_EB("\033[13t", ESC_STR "[13t")},
849 #  else
850     {(int)KS_CWS,	IF_EB("\033[8;%d;%dt", ESC_STR "[8;%d;%dt")},
851     {(int)KS_CWP,	IF_EB("\033[3;%d;%dt", ESC_STR "[3;%d;%dt")},
852     {(int)KS_CGP,	IF_EB("\033[13t", ESC_STR "[13t")},
853 #  endif
854     {(int)KS_CRV,	IF_EB("\033[>c", ESC_STR "[>c")},
855     {(int)KS_RBG,	IF_EB("\033]11;?\007", ESC_STR "]11;?\007")},
856     {(int)KS_U7,	IF_EB("\033[6n", ESC_STR "[6n")},
857 #  ifdef FEAT_TERMGUICOLORS
858     /* These are printf strings, not terminal codes. */
859     {(int)KS_8F,	IF_EB("\033[38;2;%lu;%lu;%lum", ESC_STR "[38;2;%lu;%lu;%lum")},
860     {(int)KS_8B,	IF_EB("\033[48;2;%lu;%lu;%lum", ESC_STR "[48;2;%lu;%lu;%lum")},
861 #  endif
862     {(int)KS_CBE,	IF_EB("\033[?2004h", ESC_STR "[?2004h")},
863     {(int)KS_CBD,	IF_EB("\033[?2004l", ESC_STR "[?2004l")},
864 
865     {K_UP,		IF_EB("\033O*A", ESC_STR "O*A")},
866     {K_DOWN,		IF_EB("\033O*B", ESC_STR "O*B")},
867     {K_RIGHT,		IF_EB("\033O*C", ESC_STR "O*C")},
868     {K_LEFT,		IF_EB("\033O*D", ESC_STR "O*D")},
869     /* An extra set of cursor keys for vt100 mode */
870     {K_XUP,		IF_EB("\033[1;*A", ESC_STR "[1;*A")},
871     {K_XDOWN,		IF_EB("\033[1;*B", ESC_STR "[1;*B")},
872     {K_XRIGHT,		IF_EB("\033[1;*C", ESC_STR "[1;*C")},
873     {K_XLEFT,		IF_EB("\033[1;*D", ESC_STR "[1;*D")},
874     /* An extra set of function keys for vt100 mode */
875     {K_XF1,		IF_EB("\033O*P", ESC_STR "O*P")},
876     {K_XF2,		IF_EB("\033O*Q", ESC_STR "O*Q")},
877     {K_XF3,		IF_EB("\033O*R", ESC_STR "O*R")},
878     {K_XF4,		IF_EB("\033O*S", ESC_STR "O*S")},
879     {K_F1,		IF_EB("\033[11;*~", ESC_STR "[11;*~")},
880     {K_F2,		IF_EB("\033[12;*~", ESC_STR "[12;*~")},
881     {K_F3,		IF_EB("\033[13;*~", ESC_STR "[13;*~")},
882     {K_F4,		IF_EB("\033[14;*~", ESC_STR "[14;*~")},
883     {K_F5,		IF_EB("\033[15;*~", ESC_STR "[15;*~")},
884     {K_F6,		IF_EB("\033[17;*~", ESC_STR "[17;*~")},
885     {K_F7,		IF_EB("\033[18;*~", ESC_STR "[18;*~")},
886     {K_F8,		IF_EB("\033[19;*~", ESC_STR "[19;*~")},
887     {K_F9,		IF_EB("\033[20;*~", ESC_STR "[20;*~")},
888     {K_F10,		IF_EB("\033[21;*~", ESC_STR "[21;*~")},
889     {K_F11,		IF_EB("\033[23;*~", ESC_STR "[23;*~")},
890     {K_F12,		IF_EB("\033[24;*~", ESC_STR "[24;*~")},
891     {K_S_TAB,		IF_EB("\033[Z", ESC_STR "[Z")},
892     {K_HELP,		IF_EB("\033[28;*~", ESC_STR "[28;*~")},
893     {K_UNDO,		IF_EB("\033[26;*~", ESC_STR "[26;*~")},
894     {K_INS,		IF_EB("\033[2;*~", ESC_STR "[2;*~")},
895     {K_HOME,		IF_EB("\033[1;*H", ESC_STR "[1;*H")},
896     /* {K_S_HOME,		IF_EB("\033O2H", ESC_STR "O2H")}, */
897     /* {K_C_HOME,		IF_EB("\033O5H", ESC_STR "O5H")}, */
898     {K_KHOME,		IF_EB("\033[1;*~", ESC_STR "[1;*~")},
899     {K_XHOME,		IF_EB("\033O*H", ESC_STR "O*H")},	/* other Home */
900     {K_ZHOME,		IF_EB("\033[7;*~", ESC_STR "[7;*~")},	/* other Home */
901     {K_END,		IF_EB("\033[1;*F", ESC_STR "[1;*F")},
902     /* {K_S_END,		IF_EB("\033O2F", ESC_STR "O2F")}, */
903     /* {K_C_END,		IF_EB("\033O5F", ESC_STR "O5F")}, */
904     {K_KEND,		IF_EB("\033[4;*~", ESC_STR "[4;*~")},
905     {K_XEND,		IF_EB("\033O*F", ESC_STR "O*F")},	/* other End */
906     {K_ZEND,		IF_EB("\033[8;*~", ESC_STR "[8;*~")},
907     {K_PAGEUP,		IF_EB("\033[5;*~", ESC_STR "[5;*~")},
908     {K_PAGEDOWN,	IF_EB("\033[6;*~", ESC_STR "[6;*~")},
909     {K_KPLUS,		IF_EB("\033O*k", ESC_STR "O*k")},     /* keypad plus */
910     {K_KMINUS,		IF_EB("\033O*m", ESC_STR "O*m")},     /* keypad minus */
911     {K_KDIVIDE,		IF_EB("\033O*o", ESC_STR "O*o")},     /* keypad / */
912     {K_KMULTIPLY,	IF_EB("\033O*j", ESC_STR "O*j")},     /* keypad * */
913     {K_KENTER,		IF_EB("\033O*M", ESC_STR "O*M")},     /* keypad Enter */
914     {K_KPOINT,		IF_EB("\033O*n", ESC_STR "O*n")},     /* keypad . */
915     {K_KDEL,		IF_EB("\033[3;*~", ESC_STR "[3;*~")}, /* keypad Del */
916     {K_PS,		IF_EB("\033[200~", ESC_STR "[200~")}, /* paste start */
917     {K_PE,		IF_EB("\033[201~", ESC_STR "[201~")}, /* paste end */
918 
919     {BT_EXTRA_KEYS,   ""},
920     {TERMCAP2KEY('k', '0'), IF_EB("\033[10;*~", ESC_STR "[10;*~")}, /* F0 */
921     {TERMCAP2KEY('F', '3'), IF_EB("\033[25;*~", ESC_STR "[25;*~")}, /* F13 */
922     /* F14 and F15 are missing, because they send the same codes as the undo
923      * and help key, although they don't work on all keyboards. */
924     {TERMCAP2KEY('F', '6'), IF_EB("\033[29;*~", ESC_STR "[29;*~")}, /* F16 */
925     {TERMCAP2KEY('F', '7'), IF_EB("\033[31;*~", ESC_STR "[31;*~")}, /* F17 */
926     {TERMCAP2KEY('F', '8'), IF_EB("\033[32;*~", ESC_STR "[32;*~")}, /* F18 */
927     {TERMCAP2KEY('F', '9'), IF_EB("\033[33;*~", ESC_STR "[33;*~")}, /* F19 */
928     {TERMCAP2KEY('F', 'A'), IF_EB("\033[34;*~", ESC_STR "[34;*~")}, /* F20 */
929 
930     {TERMCAP2KEY('F', 'B'), IF_EB("\033[42;*~", ESC_STR "[42;*~")}, /* F21 */
931     {TERMCAP2KEY('F', 'C'), IF_EB("\033[43;*~", ESC_STR "[43;*~")}, /* F22 */
932     {TERMCAP2KEY('F', 'D'), IF_EB("\033[44;*~", ESC_STR "[44;*~")}, /* F23 */
933     {TERMCAP2KEY('F', 'E'), IF_EB("\033[45;*~", ESC_STR "[45;*~")}, /* F24 */
934     {TERMCAP2KEY('F', 'F'), IF_EB("\033[46;*~", ESC_STR "[46;*~")}, /* F25 */
935     {TERMCAP2KEY('F', 'G'), IF_EB("\033[47;*~", ESC_STR "[47;*~")}, /* F26 */
936     {TERMCAP2KEY('F', 'H'), IF_EB("\033[48;*~", ESC_STR "[48;*~")}, /* F27 */
937     {TERMCAP2KEY('F', 'I'), IF_EB("\033[49;*~", ESC_STR "[49;*~")}, /* F28 */
938     {TERMCAP2KEY('F', 'J'), IF_EB("\033[50;*~", ESC_STR "[50;*~")}, /* F29 */
939     {TERMCAP2KEY('F', 'K'), IF_EB("\033[51;*~", ESC_STR "[51;*~")}, /* F30 */
940 
941     {TERMCAP2KEY('F', 'L'), IF_EB("\033[52;*~", ESC_STR "[52;*~")}, /* F31 */
942     {TERMCAP2KEY('F', 'M'), IF_EB("\033[53;*~", ESC_STR "[53;*~")}, /* F32 */
943     {TERMCAP2KEY('F', 'N'), IF_EB("\033[54;*~", ESC_STR "[54;*~")}, /* F33 */
944     {TERMCAP2KEY('F', 'O'), IF_EB("\033[55;*~", ESC_STR "[55;*~")}, /* F34 */
945     {TERMCAP2KEY('F', 'P'), IF_EB("\033[56;*~", ESC_STR "[56;*~")}, /* F35 */
946     {TERMCAP2KEY('F', 'Q'), IF_EB("\033[57;*~", ESC_STR "[57;*~")}, /* F36 */
947     {TERMCAP2KEY('F', 'R'), IF_EB("\033[58;*~", ESC_STR "[58;*~")}, /* F37 */
948 # endif
949 
950 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS)
951 /*
952  * iris-ansi for Silicon Graphics machines.
953  */
954     {(int)KS_NAME,	"iris-ansi"},
955     {(int)KS_CE,	"\033[K"},
956     {(int)KS_CD,	"\033[J"},
957     {(int)KS_AL,	"\033[L"},
958 #  ifdef TERMINFO
959     {(int)KS_CAL,	"\033[%p1%dL"},
960 #  else
961     {(int)KS_CAL,	"\033[%dL"},
962 #  endif
963     {(int)KS_DL,	"\033[M"},
964 #  ifdef TERMINFO
965     {(int)KS_CDL,	"\033[%p1%dM"},
966 #  else
967     {(int)KS_CDL,	"\033[%dM"},
968 #  endif
969 #if 0	/* The scroll region is not working as Vim expects. */
970 #  ifdef TERMINFO
971     {(int)KS_CS,	"\033[%i%p1%d;%p2%dr"},
972 #  else
973     {(int)KS_CS,	"\033[%i%d;%dr"},
974 #  endif
975 #endif
976     {(int)KS_CL,	"\033[H\033[2J"},
977     {(int)KS_VE,	"\033[9/y\033[12/y"},	/* These aren't documented */
978     {(int)KS_VS,	"\033[10/y\033[=1h\033[=2l"}, /* These aren't documented */
979     {(int)KS_TI,	"\033[=6h"},
980     {(int)KS_TE,	"\033[=6l"},
981     {(int)KS_SE,	"\033[21;27m"},
982     {(int)KS_SO,	"\033[1;7m"},
983     {(int)KS_ME,	"\033[m"},
984     {(int)KS_MR,	"\033[7m"},
985     {(int)KS_MD,	"\033[1m"},
986     {(int)KS_CCO,	"8"},			/* allow 8 colors */
987     {(int)KS_CZH,	"\033[3m"},		/* italic mode on */
988     {(int)KS_CZR,	"\033[23m"},		/* italic mode off */
989     {(int)KS_US,	"\033[4m"},		/* underline on */
990     {(int)KS_UE,	"\033[24m"},		/* underline off */
991 #  ifdef TERMINFO
992     {(int)KS_CAB,	"\033[4%p1%dm"},    /* set background color (ANSI) */
993     {(int)KS_CAF,	"\033[3%p1%dm"},    /* set foreground color (ANSI) */
994     {(int)KS_CSB,	"\033[102;%p1%dm"}, /* set screen background color */
995     {(int)KS_CSF,	"\033[101;%p1%dm"}, /* set screen foreground color */
996 #  else
997     {(int)KS_CAB,	"\033[4%dm"},	    /* set background color (ANSI) */
998     {(int)KS_CAF,	"\033[3%dm"},	    /* set foreground color (ANSI) */
999     {(int)KS_CSB,	"\033[102;%dm"},    /* set screen background color */
1000     {(int)KS_CSF,	"\033[101;%dm"},    /* set screen foreground color */
1001 #  endif
1002     {(int)KS_MS,	"y"},		/* guessed */
1003     {(int)KS_UT,	"y"},		/* guessed */
1004     {(int)KS_LE,	"\b"},
1005 #  ifdef TERMINFO
1006     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
1007 #  else
1008     {(int)KS_CM,	"\033[%i%d;%dH"},
1009 #  endif
1010     {(int)KS_SR,	"\033M"},
1011 #  ifdef TERMINFO
1012     {(int)KS_CRI,	"\033[%p1%dC"},
1013 #  else
1014     {(int)KS_CRI,	"\033[%dC"},
1015 #  endif
1016     {(int)KS_CIS,	"\033P3.y"},
1017     {(int)KS_CIE,	"\234"},    /* ST "String Terminator" */
1018     {(int)KS_TS,	"\033P1.y"},
1019     {(int)KS_FS,	"\234"},    /* ST "String Terminator" */
1020 #  ifdef TERMINFO
1021     {(int)KS_CWS,	"\033[203;%p1%d;%p2%d/y"},
1022     {(int)KS_CWP,	"\033[205;%p1%d;%p2%d/y"},
1023 #  else
1024     {(int)KS_CWS,	"\033[203;%d;%d/y"},
1025     {(int)KS_CWP,	"\033[205;%d;%d/y"},
1026 #  endif
1027     {K_UP,		"\033[A"},
1028     {K_DOWN,		"\033[B"},
1029     {K_LEFT,		"\033[D"},
1030     {K_RIGHT,		"\033[C"},
1031     {K_S_UP,		"\033[161q"},
1032     {K_S_DOWN,		"\033[164q"},
1033     {K_S_LEFT,		"\033[158q"},
1034     {K_S_RIGHT,		"\033[167q"},
1035     {K_F1,		"\033[001q"},
1036     {K_F2,		"\033[002q"},
1037     {K_F3,		"\033[003q"},
1038     {K_F4,		"\033[004q"},
1039     {K_F5,		"\033[005q"},
1040     {K_F6,		"\033[006q"},
1041     {K_F7,		"\033[007q"},
1042     {K_F8,		"\033[008q"},
1043     {K_F9,		"\033[009q"},
1044     {K_F10,		"\033[010q"},
1045     {K_F11,		"\033[011q"},
1046     {K_F12,		"\033[012q"},
1047     {K_S_F1,		"\033[013q"},
1048     {K_S_F2,		"\033[014q"},
1049     {K_S_F3,		"\033[015q"},
1050     {K_S_F4,		"\033[016q"},
1051     {K_S_F5,		"\033[017q"},
1052     {K_S_F6,		"\033[018q"},
1053     {K_S_F7,		"\033[019q"},
1054     {K_S_F8,		"\033[020q"},
1055     {K_S_F9,		"\033[021q"},
1056     {K_S_F10,		"\033[022q"},
1057     {K_S_F11,		"\033[023q"},
1058     {K_S_F12,		"\033[024q"},
1059     {K_INS,		"\033[139q"},
1060     {K_HOME,		"\033[H"},
1061     {K_END,		"\033[146q"},
1062     {K_PAGEUP,		"\033[150q"},
1063     {K_PAGEDOWN,	"\033[154q"},
1064 # endif
1065 
1066 # if defined(DEBUG) || defined(ALL_BUILTIN_TCAPS)
1067 /*
1068  * for debugging
1069  */
1070     {(int)KS_NAME,	"debug"},
1071     {(int)KS_CE,	"[CE]"},
1072     {(int)KS_CD,	"[CD]"},
1073     {(int)KS_AL,	"[AL]"},
1074 #  ifdef TERMINFO
1075     {(int)KS_CAL,	"[CAL%p1%d]"},
1076 #  else
1077     {(int)KS_CAL,	"[CAL%d]"},
1078 #  endif
1079     {(int)KS_DL,	"[DL]"},
1080 #  ifdef TERMINFO
1081     {(int)KS_CDL,	"[CDL%p1%d]"},
1082 #  else
1083     {(int)KS_CDL,	"[CDL%d]"},
1084 #  endif
1085 #  ifdef TERMINFO
1086     {(int)KS_CS,	"[%p1%dCS%p2%d]"},
1087 #  else
1088     {(int)KS_CS,	"[%dCS%d]"},
1089 #  endif
1090 #  ifdef FEAT_WINDOWS
1091 #   ifdef TERMINFO
1092     {(int)KS_CSV,	"[%p1%dCSV%p2%d]"},
1093 #   else
1094     {(int)KS_CSV,	"[%dCSV%d]"},
1095 #   endif
1096 #  endif
1097 #  ifdef TERMINFO
1098     {(int)KS_CAB,	"[CAB%p1%d]"},
1099     {(int)KS_CAF,	"[CAF%p1%d]"},
1100     {(int)KS_CSB,	"[CSB%p1%d]"},
1101     {(int)KS_CSF,	"[CSF%p1%d]"},
1102 #  else
1103     {(int)KS_CAB,	"[CAB%d]"},
1104     {(int)KS_CAF,	"[CAF%d]"},
1105     {(int)KS_CSB,	"[CSB%d]"},
1106     {(int)KS_CSF,	"[CSF%d]"},
1107 #  endif
1108     {(int)KS_OP,	"[OP]"},
1109     {(int)KS_LE,	"[LE]"},
1110     {(int)KS_CL,	"[CL]"},
1111     {(int)KS_VI,	"[VI]"},
1112     {(int)KS_VE,	"[VE]"},
1113     {(int)KS_VS,	"[VS]"},
1114     {(int)KS_ME,	"[ME]"},
1115     {(int)KS_MR,	"[MR]"},
1116     {(int)KS_MB,	"[MB]"},
1117     {(int)KS_MD,	"[MD]"},
1118     {(int)KS_SE,	"[SE]"},
1119     {(int)KS_SO,	"[SO]"},
1120     {(int)KS_UE,	"[UE]"},
1121     {(int)KS_US,	"[US]"},
1122     {(int)KS_UCE,	"[UCE]"},
1123     {(int)KS_UCS,	"[UCS]"},
1124     {(int)KS_MS,	"[MS]"},
1125     {(int)KS_UT,	"[UT]"},
1126     {(int)KS_XN,	"[XN]"},
1127 #  ifdef TERMINFO
1128     {(int)KS_CM,	"[%p1%dCM%p2%d]"},
1129 #  else
1130     {(int)KS_CM,	"[%dCM%d]"},
1131 #  endif
1132     {(int)KS_SR,	"[SR]"},
1133 #  ifdef TERMINFO
1134     {(int)KS_CRI,	"[CRI%p1%d]"},
1135 #  else
1136     {(int)KS_CRI,	"[CRI%d]"},
1137 #  endif
1138     {(int)KS_VB,	"[VB]"},
1139     {(int)KS_KS,	"[KS]"},
1140     {(int)KS_KE,	"[KE]"},
1141     {(int)KS_TI,	"[TI]"},
1142     {(int)KS_TE,	"[TE]"},
1143     {(int)KS_CIS,	"[CIS]"},
1144     {(int)KS_CIE,	"[CIE]"},
1145     {(int)KS_TS,	"[TS]"},
1146     {(int)KS_FS,	"[FS]"},
1147 #  ifdef TERMINFO
1148     {(int)KS_CWS,	"[%p1%dCWS%p2%d]"},
1149     {(int)KS_CWP,	"[%p1%dCWP%p2%d]"},
1150 #  else
1151     {(int)KS_CWS,	"[%dCWS%d]"},
1152     {(int)KS_CWP,	"[%dCWP%d]"},
1153 #  endif
1154     {(int)KS_CRV,	"[CRV]"},
1155     {(int)KS_U7,	"[U7]"},
1156     {(int)KS_RBG,	"[RBG]"},
1157     {K_UP,		"[KU]"},
1158     {K_DOWN,		"[KD]"},
1159     {K_LEFT,		"[KL]"},
1160     {K_RIGHT,		"[KR]"},
1161     {K_XUP,		"[xKU]"},
1162     {K_XDOWN,		"[xKD]"},
1163     {K_XLEFT,		"[xKL]"},
1164     {K_XRIGHT,		"[xKR]"},
1165     {K_S_UP,		"[S-KU]"},
1166     {K_S_DOWN,		"[S-KD]"},
1167     {K_S_LEFT,		"[S-KL]"},
1168     {K_C_LEFT,		"[C-KL]"},
1169     {K_S_RIGHT,		"[S-KR]"},
1170     {K_C_RIGHT,		"[C-KR]"},
1171     {K_F1,		"[F1]"},
1172     {K_XF1,		"[xF1]"},
1173     {K_F2,		"[F2]"},
1174     {K_XF2,		"[xF2]"},
1175     {K_F3,		"[F3]"},
1176     {K_XF3,		"[xF3]"},
1177     {K_F4,		"[F4]"},
1178     {K_XF4,		"[xF4]"},
1179     {K_F5,		"[F5]"},
1180     {K_F6,		"[F6]"},
1181     {K_F7,		"[F7]"},
1182     {K_F8,		"[F8]"},
1183     {K_F9,		"[F9]"},
1184     {K_F10,		"[F10]"},
1185     {K_F11,		"[F11]"},
1186     {K_F12,		"[F12]"},
1187     {K_S_F1,		"[S-F1]"},
1188     {K_S_XF1,		"[S-xF1]"},
1189     {K_S_F2,		"[S-F2]"},
1190     {K_S_XF2,		"[S-xF2]"},
1191     {K_S_F3,		"[S-F3]"},
1192     {K_S_XF3,		"[S-xF3]"},
1193     {K_S_F4,		"[S-F4]"},
1194     {K_S_XF4,		"[S-xF4]"},
1195     {K_S_F5,		"[S-F5]"},
1196     {K_S_F6,		"[S-F6]"},
1197     {K_S_F7,		"[S-F7]"},
1198     {K_S_F8,		"[S-F8]"},
1199     {K_S_F9,		"[S-F9]"},
1200     {K_S_F10,		"[S-F10]"},
1201     {K_S_F11,		"[S-F11]"},
1202     {K_S_F12,		"[S-F12]"},
1203     {K_HELP,		"[HELP]"},
1204     {K_UNDO,		"[UNDO]"},
1205     {K_BS,		"[BS]"},
1206     {K_INS,		"[INS]"},
1207     {K_KINS,		"[KINS]"},
1208     {K_DEL,		"[DEL]"},
1209     {K_KDEL,		"[KDEL]"},
1210     {K_HOME,		"[HOME]"},
1211     {K_S_HOME,		"[C-HOME]"},
1212     {K_C_HOME,		"[C-HOME]"},
1213     {K_KHOME,		"[KHOME]"},
1214     {K_XHOME,		"[XHOME]"},
1215     {K_ZHOME,		"[ZHOME]"},
1216     {K_END,		"[END]"},
1217     {K_S_END,		"[C-END]"},
1218     {K_C_END,		"[C-END]"},
1219     {K_KEND,		"[KEND]"},
1220     {K_XEND,		"[XEND]"},
1221     {K_ZEND,		"[ZEND]"},
1222     {K_PAGEUP,		"[PAGEUP]"},
1223     {K_PAGEDOWN,	"[PAGEDOWN]"},
1224     {K_KPAGEUP,		"[KPAGEUP]"},
1225     {K_KPAGEDOWN,	"[KPAGEDOWN]"},
1226     {K_MOUSE,		"[MOUSE]"},
1227     {K_KPLUS,		"[KPLUS]"},
1228     {K_KMINUS,		"[KMINUS]"},
1229     {K_KDIVIDE,		"[KDIVIDE]"},
1230     {K_KMULTIPLY,	"[KMULTIPLY]"},
1231     {K_KENTER,		"[KENTER]"},
1232     {K_KPOINT,		"[KPOINT]"},
1233     {K_PS,		"[PASTE-START]"},
1234     {K_PE,		"[PASTE-END]"},
1235     {K_K0,		"[K0]"},
1236     {K_K1,		"[K1]"},
1237     {K_K2,		"[K2]"},
1238     {K_K3,		"[K3]"},
1239     {K_K4,		"[K4]"},
1240     {K_K5,		"[K5]"},
1241     {K_K6,		"[K6]"},
1242     {K_K7,		"[K7]"},
1243     {K_K8,		"[K8]"},
1244     {K_K9,		"[K9]"},
1245 # endif
1246 
1247 #endif /* NO_BUILTIN_TCAPS */
1248 
1249 /*
1250  * The most minimal terminal: only clear screen and cursor positioning
1251  * Always included.
1252  */
1253     {(int)KS_NAME,	"dumb"},
1254     {(int)KS_CL,	"\014"},
1255 #ifdef TERMINFO
1256     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
1257 						  ESC_STR "[%i%p1%d;%p2%dH")},
1258 #else
1259     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
1260 #endif
1261 
1262 /*
1263  * end marker
1264  */
1265     {(int)KS_NAME,	NULL}
1266 
1267 };	/* end of builtin_termcaps */
1268 
1269 #if defined(FEAT_TERMGUICOLORS) || defined(PROTO)
1270     guicolor_T
1271 termgui_mch_get_color(char_u *name)
1272 {
1273     return gui_get_color_cmn(name);
1274 }
1275 
1276     guicolor_T
1277 termgui_get_color(char_u *name)
1278 {
1279     guicolor_T	t;
1280 
1281     if (*name == NUL)
1282 	return INVALCOLOR;
1283     t = termgui_mch_get_color(name);
1284 
1285     if (t == INVALCOLOR)
1286 	EMSG2(_("E254: Cannot allocate color %s"), name);
1287     return t;
1288 }
1289 
1290     guicolor_T
1291 termgui_mch_get_rgb(guicolor_T color)
1292 {
1293     return color;
1294 }
1295 #endif
1296 
1297 /*
1298  * DEFAULT_TERM is used, when no terminal is specified with -T option or $TERM.
1299  */
1300 #ifdef AMIGA
1301 # define DEFAULT_TERM	(char_u *)"amiga"
1302 #endif
1303 
1304 #ifdef MSWIN
1305 # define DEFAULT_TERM	(char_u *)"win32"
1306 #endif
1307 
1308 #if defined(UNIX) && !defined(__MINT__)
1309 # define DEFAULT_TERM	(char_u *)"ansi"
1310 #endif
1311 
1312 #ifdef __MINT__
1313 # define DEFAULT_TERM	(char_u *)"vt52"
1314 #endif
1315 
1316 #ifdef VMS
1317 # define DEFAULT_TERM	(char_u *)"vt320"
1318 #endif
1319 
1320 #ifdef __BEOS__
1321 # undef DEFAULT_TERM
1322 # define DEFAULT_TERM	(char_u *)"beos-ansi"
1323 #endif
1324 
1325 #ifndef DEFAULT_TERM
1326 # define DEFAULT_TERM	(char_u *)"dumb"
1327 #endif
1328 
1329 /*
1330  * Term_strings contains currently used terminal output strings.
1331  * It is initialized with the default values by parse_builtin_tcap().
1332  * The values can be changed by setting the option with the same name.
1333  */
1334 char_u *(term_strings[(int)KS_LAST + 1]);
1335 
1336 static int	need_gather = FALSE;	    /* need to fill termleader[] */
1337 static char_u	termleader[256 + 1];	    /* for check_termcode() */
1338 #ifdef FEAT_TERMRESPONSE
1339 static int	check_for_codes = FALSE;    /* check for key code response */
1340 #endif
1341 
1342     static struct builtin_term *
1343 find_builtin_term(char_u *term)
1344 {
1345     struct builtin_term *p;
1346 
1347     p = builtin_termcaps;
1348     while (p->bt_string != NULL)
1349     {
1350 	if (p->bt_entry == (int)KS_NAME)
1351 	{
1352 #ifdef UNIX
1353 	    if (STRCMP(p->bt_string, "iris-ansi") == 0 && vim_is_iris(term))
1354 		return p;
1355 	    else if (STRCMP(p->bt_string, "xterm") == 0 && vim_is_xterm(term))
1356 		return p;
1357 	    else
1358 #endif
1359 #ifdef VMS
1360 		if (STRCMP(p->bt_string, "vt320") == 0 && vim_is_vt300(term))
1361 		    return p;
1362 		else
1363 #endif
1364 		  if (STRCMP(term, p->bt_string) == 0)
1365 		    return p;
1366 	}
1367 	++p;
1368     }
1369     return p;
1370 }
1371 
1372 /*
1373  * Parsing of the builtin termcap entries.
1374  * Caller should check if 'name' is a valid builtin term.
1375  * The terminal's name is not set, as this is already done in termcapinit().
1376  */
1377     static void
1378 parse_builtin_tcap(char_u *term)
1379 {
1380     struct builtin_term	    *p;
1381     char_u		    name[2];
1382     int			    term_8bit;
1383 
1384     p = find_builtin_term(term);
1385     term_8bit = term_is_8bit(term);
1386 
1387     /* Do not parse if builtin term not found */
1388     if (p->bt_string == NULL)
1389 	return;
1390 
1391     for (++p; p->bt_entry != (int)KS_NAME && p->bt_entry != BT_EXTRA_KEYS; ++p)
1392     {
1393 	if ((int)p->bt_entry >= 0)	/* KS_xx entry */
1394 	{
1395 	    /* Only set the value if it wasn't set yet. */
1396 	    if (term_strings[p->bt_entry] == NULL
1397 				 || term_strings[p->bt_entry] == empty_option)
1398 	    {
1399 		/* 8bit terminal: use CSI instead of <Esc>[ */
1400 		if (term_8bit && term_7to8bit((char_u *)p->bt_string) != 0)
1401 		{
1402 		    char_u  *s, *t;
1403 
1404 		    s = vim_strsave((char_u *)p->bt_string);
1405 		    if (s != NULL)
1406 		    {
1407 			for (t = s; *t; ++t)
1408 			    if (term_7to8bit(t))
1409 			    {
1410 				*t = term_7to8bit(t);
1411 				STRCPY(t + 1, t + 2);
1412 			    }
1413 			term_strings[p->bt_entry] = s;
1414 			set_term_option_alloced(&term_strings[p->bt_entry]);
1415 		    }
1416 		}
1417 		else
1418 		    term_strings[p->bt_entry] = (char_u *)p->bt_string;
1419 	    }
1420 	}
1421 	else
1422 	{
1423 	    name[0] = KEY2TERMCAP0((int)p->bt_entry);
1424 	    name[1] = KEY2TERMCAP1((int)p->bt_entry);
1425 	    if (find_termcode(name) == NULL)
1426 		add_termcode(name, (char_u *)p->bt_string, term_8bit);
1427 	}
1428     }
1429 }
1430 
1431 /*
1432  * Set number of colors.
1433  * Store it as a number in t_colors.
1434  * Store it as a string in T_CCO (using nr_colors[]).
1435  */
1436     static void
1437 set_color_count(int nr)
1438 {
1439     char_u	nr_colors[20];		/* string for number of colors */
1440 
1441     t_colors = nr;
1442     if (t_colors > 1)
1443 	sprintf((char *)nr_colors, "%d", t_colors);
1444     else
1445 	*nr_colors = NUL;
1446     set_string_option_direct((char_u *)"t_Co", -1, nr_colors, OPT_FREE, 0);
1447 }
1448 
1449 #if defined(FEAT_TERMRESPONSE)
1450 /*
1451  * Set the color count to "val" and redraw if it changed.
1452  */
1453     static void
1454 may_adjust_color_count(int val)
1455 {
1456     if (val != t_colors)
1457     {
1458 	/* Nr of colors changed, initialize highlighting and
1459 	 * redraw everything.  This causes a redraw, which usually
1460 	 * clears the message.  Try keeping the message if it
1461 	 * might work. */
1462 	set_keep_msg_from_hist();
1463 	set_color_count(val);
1464 	init_highlight(TRUE, FALSE);
1465 # ifdef DEBUG_TERMRESPONSE
1466 	{
1467 	    char buf[100];
1468 	    int  r = redraw_asap(CLEAR);
1469 
1470 	    sprintf(buf, "Received t_Co, redraw_asap(): %d", r);
1471 	    log_tr(buf);
1472 	}
1473 # else
1474 	redraw_asap(CLEAR);
1475 # endif
1476     }
1477 }
1478 #endif
1479 
1480 #ifdef HAVE_TGETENT
1481 static char *(key_names[]) =
1482 {
1483 #ifdef FEAT_TERMRESPONSE
1484     /* Do this one first, it may cause a screen redraw. */
1485     "Co",
1486 #endif
1487     "ku", "kd", "kr", "kl",
1488     "#2", "#4", "%i", "*7",
1489     "k1", "k2", "k3", "k4", "k5", "k6",
1490     "k7", "k8", "k9", "k;", "F1", "F2",
1491     "%1", "&8", "kb", "kI", "kD", "kh",
1492     "@7", "kP", "kN", "K1", "K3", "K4", "K5", "kB",
1493     NULL
1494 };
1495 #endif
1496 
1497 /*
1498  * Set terminal options for terminal "term".
1499  * Return OK if terminal 'term' was found in a termcap, FAIL otherwise.
1500  *
1501  * While doing this, until ttest(), some options may be NULL, be careful.
1502  */
1503     int
1504 set_termname(char_u *term)
1505 {
1506     struct builtin_term *termp;
1507 #ifdef HAVE_TGETENT
1508     int		builtin_first = p_tbi;
1509     int		try;
1510     int		termcap_cleared = FALSE;
1511 #endif
1512     int		width = 0, height = 0;
1513     char_u	*error_msg = NULL;
1514     char_u	*bs_p, *del_p;
1515 
1516     /* In silect mode (ex -s) we don't use the 'term' option. */
1517     if (silent_mode)
1518 	return OK;
1519 
1520     detected_8bit = FALSE;		/* reset 8-bit detection */
1521 
1522     if (term_is_builtin(term))
1523     {
1524 	term += 8;
1525 #ifdef HAVE_TGETENT
1526 	builtin_first = 1;
1527 #endif
1528     }
1529 
1530 /*
1531  * If HAVE_TGETENT is not defined, only the builtin termcap is used, otherwise:
1532  *   If builtin_first is TRUE:
1533  *     0. try builtin termcap
1534  *     1. try external termcap
1535  *     2. if both fail default to a builtin terminal
1536  *   If builtin_first is FALSE:
1537  *     1. try external termcap
1538  *     2. try builtin termcap, if both fail default to a builtin terminal
1539  */
1540 #ifdef HAVE_TGETENT
1541     for (try = builtin_first ? 0 : 1; try < 3; ++try)
1542     {
1543 	/*
1544 	 * Use external termcap
1545 	 */
1546 	if (try == 1)
1547 	{
1548 	    char_u	    *p;
1549 	    static char_u   tstrbuf[TBUFSZ];
1550 	    int		    i;
1551 	    char_u	    tbuf[TBUFSZ];
1552 	    char_u	    *tp;
1553 	    static struct {
1554 			    enum SpecialKey dest; /* index in term_strings[] */
1555 			    char *name;		  /* termcap name for string */
1556 			  } string_names[] =
1557 			    {	{KS_CE, "ce"}, {KS_AL, "al"}, {KS_CAL,"AL"},
1558 				{KS_DL, "dl"}, {KS_CDL,"DL"}, {KS_CS, "cs"},
1559 				{KS_CL, "cl"}, {KS_CD, "cd"},
1560 				{KS_VI, "vi"}, {KS_VE, "ve"}, {KS_MB, "mb"},
1561 				{KS_VS, "vs"}, {KS_ME, "me"}, {KS_MR, "mr"},
1562 				{KS_MD, "md"}, {KS_SE, "se"}, {KS_SO, "so"},
1563 				{KS_CZH,"ZH"}, {KS_CZR,"ZR"}, {KS_UE, "ue"},
1564 				{KS_US, "us"}, {KS_UCE, "Ce"}, {KS_UCS, "Cs"},
1565 				{KS_CM, "cm"}, {KS_SR, "sr"},
1566 				{KS_CRI,"RI"}, {KS_VB, "vb"}, {KS_KS, "ks"},
1567 				{KS_KE, "ke"}, {KS_TI, "ti"}, {KS_TE, "te"},
1568 				{KS_BC, "bc"}, {KS_CSB,"Sb"}, {KS_CSF,"Sf"},
1569 				{KS_CAB,"AB"}, {KS_CAF,"AF"}, {KS_LE, "le"},
1570 				{KS_ND, "nd"}, {KS_OP, "op"}, {KS_CRV, "RV"},
1571 				{KS_CIS, "IS"}, {KS_CIE, "IE"},
1572 				{KS_TS, "ts"}, {KS_FS, "fs"},
1573 				{KS_CWP, "WP"}, {KS_CWS, "WS"},
1574 				{KS_CSI, "SI"}, {KS_CEI, "EI"},
1575 				{KS_U7, "u7"}, {KS_RBG, "RB"},
1576 				{KS_8F, "8f"}, {KS_8B, "8b"},
1577 				{KS_CBE, "BE"}, {KS_CBD, "BD"},
1578 				{KS_CPS, "PS"}, {KS_CPE, "PE"},
1579 				{(enum SpecialKey)0, NULL}
1580 			    };
1581 
1582 	    /*
1583 	     * If the external termcap does not have a matching entry, try the
1584 	     * builtin ones.
1585 	     */
1586 	    if ((error_msg = tgetent_error(tbuf, term)) == NULL)
1587 	    {
1588 		tp = tstrbuf;
1589 		if (!termcap_cleared)
1590 		{
1591 		    clear_termoptions();	/* clear old options */
1592 		    termcap_cleared = TRUE;
1593 		}
1594 
1595 	    /* get output strings */
1596 		for (i = 0; string_names[i].name != NULL; ++i)
1597 		{
1598 		    if (TERM_STR(string_names[i].dest) == NULL
1599 			    || TERM_STR(string_names[i].dest) == empty_option)
1600 			TERM_STR(string_names[i].dest) =
1601 					   TGETSTR(string_names[i].name, &tp);
1602 		}
1603 
1604 		/* tgetflag() returns 1 if the flag is present, 0 if not and
1605 		 * possibly -1 if the flag doesn't exist. */
1606 		if ((T_MS == NULL || T_MS == empty_option)
1607 							&& tgetflag("ms") > 0)
1608 		    T_MS = (char_u *)"y";
1609 		if ((T_XS == NULL || T_XS == empty_option)
1610 							&& tgetflag("xs") > 0)
1611 		    T_XS = (char_u *)"y";
1612 		if ((T_XN == NULL || T_XN == empty_option)
1613 							&& tgetflag("xn") > 0)
1614 		    T_XN = (char_u *)"y";
1615 		if ((T_DB == NULL || T_DB == empty_option)
1616 							&& tgetflag("db") > 0)
1617 		    T_DB = (char_u *)"y";
1618 		if ((T_DA == NULL || T_DA == empty_option)
1619 							&& tgetflag("da") > 0)
1620 		    T_DA = (char_u *)"y";
1621 		if ((T_UT == NULL || T_UT == empty_option)
1622 							&& tgetflag("ut") > 0)
1623 		    T_UT = (char_u *)"y";
1624 
1625 
1626 		/*
1627 		 * get key codes
1628 		 */
1629 		for (i = 0; key_names[i] != NULL; ++i)
1630 		{
1631 		    if (find_termcode((char_u *)key_names[i]) == NULL)
1632 		    {
1633 			p = TGETSTR(key_names[i], &tp);
1634 			/* if cursor-left == backspace, ignore it (televideo
1635 			 * 925) */
1636 			if (p != NULL
1637 				&& (*p != Ctrl_H
1638 				    || key_names[i][0] != 'k'
1639 				    || key_names[i][1] != 'l'))
1640 			    add_termcode((char_u *)key_names[i], p, FALSE);
1641 		    }
1642 		}
1643 
1644 		if (height == 0)
1645 		    height = tgetnum("li");
1646 		if (width == 0)
1647 		    width = tgetnum("co");
1648 
1649 		/*
1650 		 * Get number of colors (if not done already).
1651 		 */
1652 		if (TERM_STR(KS_CCO) == NULL
1653 			|| TERM_STR(KS_CCO) == empty_option)
1654 		    set_color_count(tgetnum("Co"));
1655 
1656 # ifndef hpux
1657 		BC = (char *)TGETSTR("bc", &tp);
1658 		UP = (char *)TGETSTR("up", &tp);
1659 		p = TGETSTR("pc", &tp);
1660 		if (p)
1661 		    PC = *p;
1662 # endif /* hpux */
1663 	    }
1664 	}
1665 	else	    /* try == 0 || try == 2 */
1666 #endif /* HAVE_TGETENT */
1667 	/*
1668 	 * Use builtin termcap
1669 	 */
1670 	{
1671 #ifdef HAVE_TGETENT
1672 	    /*
1673 	     * If builtin termcap was already used, there is no need to search
1674 	     * for the builtin termcap again, quit now.
1675 	     */
1676 	    if (try == 2 && builtin_first && termcap_cleared)
1677 		break;
1678 #endif
1679 	    /*
1680 	     * search for 'term' in builtin_termcaps[]
1681 	     */
1682 	    termp = find_builtin_term(term);
1683 	    if (termp->bt_string == NULL)	/* did not find it */
1684 	    {
1685 #ifdef HAVE_TGETENT
1686 		/*
1687 		 * If try == 0, first try the external termcap. If that is not
1688 		 * found we'll get back here with try == 2.
1689 		 * If termcap_cleared is set we used the external termcap,
1690 		 * don't complain about not finding the term in the builtin
1691 		 * termcap.
1692 		 */
1693 		if (try == 0)			/* try external one */
1694 		    continue;
1695 		if (termcap_cleared)		/* found in external termcap */
1696 		    break;
1697 #endif
1698 
1699 		mch_errmsg("\r\n");
1700 		if (error_msg != NULL)
1701 		{
1702 		    mch_errmsg((char *)error_msg);
1703 		    mch_errmsg("\r\n");
1704 		}
1705 		mch_errmsg("'");
1706 		mch_errmsg((char *)term);
1707 		mch_errmsg(_("' not known. Available builtin terminals are:"));
1708 		mch_errmsg("\r\n");
1709 		for (termp = &(builtin_termcaps[0]); termp->bt_string != NULL;
1710 								      ++termp)
1711 		{
1712 		    if (termp->bt_entry == (int)KS_NAME)
1713 		    {
1714 #ifdef HAVE_TGETENT
1715 			mch_errmsg("    builtin_");
1716 #else
1717 			mch_errmsg("    ");
1718 #endif
1719 			mch_errmsg(termp->bt_string);
1720 			mch_errmsg("\r\n");
1721 		    }
1722 		}
1723 		/* when user typed :set term=xxx, quit here */
1724 		if (starting != NO_SCREEN)
1725 		{
1726 		    screen_start();	/* don't know where cursor is now */
1727 		    wait_return(TRUE);
1728 		    return FAIL;
1729 		}
1730 		term = DEFAULT_TERM;
1731 		mch_errmsg(_("defaulting to '"));
1732 		mch_errmsg((char *)term);
1733 		mch_errmsg("'\r\n");
1734 		if (emsg_silent == 0)
1735 		{
1736 		    screen_start();	/* don't know where cursor is now */
1737 		    out_flush();
1738 		    if (!is_not_a_term())
1739 			ui_delay(2000L, TRUE);
1740 		}
1741 		set_string_option_direct((char_u *)"term", -1, term,
1742 								 OPT_FREE, 0);
1743 		display_errors();
1744 	    }
1745 	    out_flush();
1746 #ifdef HAVE_TGETENT
1747 	    if (!termcap_cleared)
1748 	    {
1749 #endif
1750 		clear_termoptions();	    /* clear old options */
1751 #ifdef HAVE_TGETENT
1752 		termcap_cleared = TRUE;
1753 	    }
1754 #endif
1755 	    parse_builtin_tcap(term);
1756 #ifdef FEAT_GUI
1757 	    if (term_is_gui(term))
1758 	    {
1759 		out_flush();
1760 		gui_init();
1761 		/* If starting the GUI failed, don't do any of the other
1762 		 * things for this terminal */
1763 		if (!gui.in_use)
1764 		    return FAIL;
1765 #ifdef HAVE_TGETENT
1766 		break;		/* don't try using external termcap */
1767 #endif
1768 	    }
1769 #endif /* FEAT_GUI */
1770 	}
1771 #ifdef HAVE_TGETENT
1772     }
1773 #endif
1774 
1775 /*
1776  * special: There is no info in the termcap about whether the cursor
1777  * positioning is relative to the start of the screen or to the start of the
1778  * scrolling region.  We just guess here. Only msdos pcterm is known to do it
1779  * relative.
1780  */
1781     if (STRCMP(term, "pcterm") == 0)
1782 	T_CCS = (char_u *)"yes";
1783     else
1784 	T_CCS = empty_option;
1785 
1786 #ifdef UNIX
1787 /*
1788  * Any "stty" settings override the default for t_kb from the termcap.
1789  * This is in os_unix.c, because it depends a lot on the version of unix that
1790  * is being used.
1791  * Don't do this when the GUI is active, it uses "t_kb" and "t_kD" directly.
1792  */
1793 #ifdef FEAT_GUI
1794     if (!gui.in_use)
1795 #endif
1796 	get_stty();
1797 #endif
1798 
1799 /*
1800  * If the termcap has no entry for 'bs' and/or 'del' and the ioctl() also
1801  * didn't work, use the default CTRL-H
1802  * The default for t_kD is DEL, unless t_kb is DEL.
1803  * The vim_strsave'd strings are probably lost forever, well it's only two
1804  * bytes.  Don't do this when the GUI is active, it uses "t_kb" and "t_kD"
1805  * directly.
1806  */
1807 #ifdef FEAT_GUI
1808     if (!gui.in_use)
1809 #endif
1810     {
1811 	bs_p = find_termcode((char_u *)"kb");
1812 	del_p = find_termcode((char_u *)"kD");
1813 	if (bs_p == NULL || *bs_p == NUL)
1814 	    add_termcode((char_u *)"kb", (bs_p = (char_u *)CTRL_H_STR), FALSE);
1815 	if ((del_p == NULL || *del_p == NUL) &&
1816 					    (bs_p == NULL || *bs_p != DEL))
1817 	    add_termcode((char_u *)"kD", (char_u *)DEL_STR, FALSE);
1818     }
1819 
1820 #if defined(UNIX) || defined(VMS)
1821     term_is_xterm = vim_is_xterm(term);
1822 #endif
1823 
1824 #ifdef FEAT_MOUSE
1825 # if defined(UNIX) || defined(VMS)
1826 #  ifdef FEAT_MOUSE_TTY
1827     /*
1828      * For Unix, set the 'ttymouse' option to the type of mouse to be used.
1829      * The termcode for the mouse is added as a side effect in option.c.
1830      */
1831     {
1832 	char_u	*p = (char_u *)"";
1833 
1834 #  ifdef FEAT_MOUSE_XTERM
1835 	if (use_xterm_like_mouse(term))
1836 	{
1837 	    if (use_xterm_mouse())
1838 		p = NULL;	/* keep existing value, might be "xterm2" */
1839 	    else
1840 		p = (char_u *)"xterm";
1841 	}
1842 #  endif
1843 	if (p != NULL)
1844 	{
1845 	    set_option_value((char_u *)"ttym", 0L, p, 0);
1846 	    /* Reset the WAS_SET flag, 'ttymouse' can be set to "sgr" or
1847 	     * "xterm2" in check_termcode(). */
1848 	    reset_option_was_set((char_u *)"ttym");
1849 	}
1850 	if (p == NULL
1851 #   ifdef FEAT_GUI
1852 		|| gui.in_use
1853 #   endif
1854 		)
1855 	    check_mouse_termcode();	/* set mouse termcode anyway */
1856     }
1857 #  endif
1858 # else
1859     set_mouse_termcode(KS_MOUSE, (char_u *)"\233M");
1860 # endif
1861 #endif	/* FEAT_MOUSE */
1862 
1863 #ifdef USE_TERM_CONSOLE
1864     /* DEFAULT_TERM indicates that it is the machine console. */
1865     if (STRCMP(term, DEFAULT_TERM) != 0)
1866 	term_console = FALSE;
1867     else
1868     {
1869 	term_console = TRUE;
1870 # ifdef AMIGA
1871 	win_resize_on();	/* enable window resizing reports */
1872 # endif
1873     }
1874 #endif
1875 
1876 #if defined(UNIX) || defined(VMS)
1877     /*
1878      * 'ttyfast' is default on for xterm, iris-ansi and a few others.
1879      */
1880     if (vim_is_fastterm(term))
1881 	p_tf = TRUE;
1882 #endif
1883 #ifdef USE_TERM_CONSOLE
1884     /*
1885      * 'ttyfast' is default on consoles
1886      */
1887     if (term_console)
1888 	p_tf = TRUE;
1889 #endif
1890 
1891     ttest(TRUE);	/* make sure we have a valid set of terminal codes */
1892 
1893     full_screen = TRUE;		/* we can use termcap codes from now on */
1894     set_term_defaults();	/* use current values as defaults */
1895 #ifdef FEAT_TERMRESPONSE
1896     LOG_TR("setting crv_status to CRV_GET");
1897     crv_status = CRV_GET;	/* Get terminal version later */
1898 #endif
1899 
1900     /*
1901      * Initialize the terminal with the appropriate termcap codes.
1902      * Set the mouse and window title if possible.
1903      * Don't do this when starting, need to parse the .vimrc first, because it
1904      * may redefine t_TI etc.
1905      */
1906     if (starting != NO_SCREEN)
1907     {
1908 	starttermcap();		/* may change terminal mode */
1909 #ifdef FEAT_MOUSE
1910 	setmouse();		/* may start using the mouse */
1911 #endif
1912 #ifdef FEAT_TITLE
1913 	maketitle();		/* may display window title */
1914 #endif
1915     }
1916 
1917 	/* display initial screen after ttest() checking. jw. */
1918     if (width <= 0 || height <= 0)
1919     {
1920 	/* termcap failed to report size */
1921 	/* set defaults, in case ui_get_shellsize() also fails */
1922 	width = 80;
1923 #if defined(WIN3264)
1924 	height = 25;	    /* console is often 25 lines */
1925 #else
1926 	height = 24;	    /* most terminals are 24 lines */
1927 #endif
1928     }
1929     set_shellsize(width, height, FALSE);	/* may change Rows */
1930     if (starting != NO_SCREEN)
1931     {
1932 	if (scroll_region)
1933 	    scroll_region_reset();		/* In case Rows changed */
1934 	check_map_keycodes();	/* check mappings for terminal codes used */
1935 
1936 #ifdef FEAT_AUTOCMD
1937 	{
1938 	    bufref_T	old_curbuf;
1939 
1940 	    /*
1941 	     * Execute the TermChanged autocommands for each buffer that is
1942 	     * loaded.
1943 	     */
1944 	    set_bufref(&old_curbuf, curbuf);
1945 	    FOR_ALL_BUFFERS(curbuf)
1946 	    {
1947 		if (curbuf->b_ml.ml_mfp != NULL)
1948 		    apply_autocmds(EVENT_TERMCHANGED, NULL, NULL, FALSE,
1949 								      curbuf);
1950 	    }
1951 	    if (bufref_valid(&old_curbuf))
1952 		curbuf = old_curbuf.br_buf;
1953 	}
1954 #endif
1955     }
1956 
1957 #ifdef FEAT_TERMRESPONSE
1958     may_req_termresponse();
1959 #endif
1960 
1961     return OK;
1962 }
1963 
1964 #if defined(FEAT_MOUSE) || defined(PROTO)
1965 
1966 # ifdef FEAT_MOUSE_TTY
1967 #  define HMT_NORMAL	1
1968 #  define HMT_NETTERM	2
1969 #  define HMT_DEC	4
1970 #  define HMT_JSBTERM	8
1971 #  define HMT_PTERM	16
1972 #  define HMT_URXVT	32
1973 #  define HMT_SGR	64
1974 #  define HMT_SGR_REL	128
1975 static int has_mouse_termcode = 0;
1976 # endif
1977 
1978 # if (!defined(UNIX) || defined(FEAT_MOUSE_TTY)) || defined(PROTO)
1979     void
1980 set_mouse_termcode(
1981     int		n,	/* KS_MOUSE, KS_NETTERM_MOUSE or KS_DEC_MOUSE */
1982     char_u	*s)
1983 {
1984     char_u	name[2];
1985 
1986     name[0] = n;
1987     name[1] = KE_FILLER;
1988     add_termcode(name, s, FALSE);
1989 #  ifdef FEAT_MOUSE_TTY
1990 #   ifdef FEAT_MOUSE_JSB
1991     if (n == KS_JSBTERM_MOUSE)
1992 	has_mouse_termcode |= HMT_JSBTERM;
1993     else
1994 #   endif
1995 #   ifdef FEAT_MOUSE_NET
1996     if (n == KS_NETTERM_MOUSE)
1997 	has_mouse_termcode |= HMT_NETTERM;
1998     else
1999 #   endif
2000 #   ifdef FEAT_MOUSE_DEC
2001     if (n == KS_DEC_MOUSE)
2002 	has_mouse_termcode |= HMT_DEC;
2003     else
2004 #   endif
2005 #   ifdef FEAT_MOUSE_PTERM
2006     if (n == KS_PTERM_MOUSE)
2007 	has_mouse_termcode |= HMT_PTERM;
2008     else
2009 #   endif
2010 #   ifdef FEAT_MOUSE_URXVT
2011     if (n == KS_URXVT_MOUSE)
2012 	has_mouse_termcode |= HMT_URXVT;
2013     else
2014 #   endif
2015 #   ifdef FEAT_MOUSE_SGR
2016     if (n == KS_SGR_MOUSE)
2017 	has_mouse_termcode |= HMT_SGR;
2018     else if (n == KS_SGR_MOUSE_RELEASE)
2019 	has_mouse_termcode |= HMT_SGR_REL;
2020     else
2021 #   endif
2022 	has_mouse_termcode |= HMT_NORMAL;
2023 #  endif
2024 }
2025 # endif
2026 
2027 # if ((defined(UNIX) || defined(VMS)) \
2028 	&& defined(FEAT_MOUSE_TTY)) || defined(PROTO)
2029     void
2030 del_mouse_termcode(
2031     int		n)	/* KS_MOUSE, KS_NETTERM_MOUSE or KS_DEC_MOUSE */
2032 {
2033     char_u	name[2];
2034 
2035     name[0] = n;
2036     name[1] = KE_FILLER;
2037     del_termcode(name);
2038 #  ifdef FEAT_MOUSE_TTY
2039 #   ifdef FEAT_MOUSE_JSB
2040     if (n == KS_JSBTERM_MOUSE)
2041 	has_mouse_termcode &= ~HMT_JSBTERM;
2042     else
2043 #   endif
2044 #   ifdef FEAT_MOUSE_NET
2045     if (n == KS_NETTERM_MOUSE)
2046 	has_mouse_termcode &= ~HMT_NETTERM;
2047     else
2048 #   endif
2049 #   ifdef FEAT_MOUSE_DEC
2050     if (n == KS_DEC_MOUSE)
2051 	has_mouse_termcode &= ~HMT_DEC;
2052     else
2053 #   endif
2054 #   ifdef FEAT_MOUSE_PTERM
2055     if (n == KS_PTERM_MOUSE)
2056 	has_mouse_termcode &= ~HMT_PTERM;
2057     else
2058 #   endif
2059 #   ifdef FEAT_MOUSE_URXVT
2060     if (n == KS_URXVT_MOUSE)
2061 	has_mouse_termcode &= ~HMT_URXVT;
2062     else
2063 #   endif
2064 #   ifdef FEAT_MOUSE_SGR
2065     if (n == KS_SGR_MOUSE)
2066 	has_mouse_termcode &= ~HMT_SGR;
2067     else if (n == KS_SGR_MOUSE_RELEASE)
2068 	has_mouse_termcode &= ~HMT_SGR_REL;
2069     else
2070 #   endif
2071 	has_mouse_termcode &= ~HMT_NORMAL;
2072 #  endif
2073 }
2074 # endif
2075 #endif
2076 
2077 #ifdef HAVE_TGETENT
2078 /*
2079  * Call tgetent()
2080  * Return error message if it fails, NULL if it's OK.
2081  */
2082     static char_u *
2083 tgetent_error(char_u *tbuf, char_u *term)
2084 {
2085     int	    i;
2086 
2087     i = TGETENT(tbuf, term);
2088     if (i < 0		    /* -1 is always an error */
2089 # ifdef TGETENT_ZERO_ERR
2090 	    || i == 0	    /* sometimes zero is also an error */
2091 # endif
2092        )
2093     {
2094 	/* On FreeBSD tputs() gets a SEGV after a tgetent() which fails.  Call
2095 	 * tgetent() with the always existing "dumb" entry to avoid a crash or
2096 	 * hang. */
2097 	(void)TGETENT(tbuf, "dumb");
2098 
2099 	if (i < 0)
2100 # ifdef TGETENT_ZERO_ERR
2101 	    return (char_u *)_("E557: Cannot open termcap file");
2102 	if (i == 0)
2103 # endif
2104 #ifdef TERMINFO
2105 	    return (char_u *)_("E558: Terminal entry not found in terminfo");
2106 #else
2107 	    return (char_u *)_("E559: Terminal entry not found in termcap");
2108 #endif
2109     }
2110     return NULL;
2111 }
2112 
2113 /*
2114  * Some versions of tgetstr() have been reported to return -1 instead of NULL.
2115  * Fix that here.
2116  */
2117     static char_u *
2118 vim_tgetstr(char *s, char_u **pp)
2119 {
2120     char	*p;
2121 
2122     p = tgetstr(s, (char **)pp);
2123     if (p == (char *)-1)
2124 	p = NULL;
2125     return (char_u *)p;
2126 }
2127 #endif /* HAVE_TGETENT */
2128 
2129 #if defined(HAVE_TGETENT) && (defined(UNIX) || defined(VMS) || defined(MACOS_X))
2130 /*
2131  * Get Columns and Rows from the termcap. Used after a window signal if the
2132  * ioctl() fails. It doesn't make sense to call tgetent each time if the "co"
2133  * and "li" entries never change. But on some systems this works.
2134  * Errors while getting the entries are ignored.
2135  */
2136     void
2137 getlinecol(
2138     long	*cp,	/* pointer to columns */
2139     long	*rp)	/* pointer to rows */
2140 {
2141     char_u	tbuf[TBUFSZ];
2142 
2143     if (T_NAME != NULL && *T_NAME != NUL && tgetent_error(tbuf, T_NAME) == NULL)
2144     {
2145 	if (*cp == 0)
2146 	    *cp = tgetnum("co");
2147 	if (*rp == 0)
2148 	    *rp = tgetnum("li");
2149     }
2150 }
2151 #endif /* defined(HAVE_TGETENT) && defined(UNIX) */
2152 
2153 /*
2154  * Get a string entry from the termcap and add it to the list of termcodes.
2155  * Used for <t_xx> special keys.
2156  * Give an error message for failure when not sourcing.
2157  * If force given, replace an existing entry.
2158  * Return FAIL if the entry was not found, OK if the entry was added.
2159  */
2160     int
2161 add_termcap_entry(char_u *name, int force)
2162 {
2163     char_u  *term;
2164     int	    key;
2165     struct builtin_term *termp;
2166 #ifdef HAVE_TGETENT
2167     char_u  *string;
2168     int	    i;
2169     int	    builtin_first;
2170     char_u  tbuf[TBUFSZ];
2171     char_u  tstrbuf[TBUFSZ];
2172     char_u  *tp = tstrbuf;
2173     char_u  *error_msg = NULL;
2174 #endif
2175 
2176 /*
2177  * If the GUI is running or will start in a moment, we only support the keys
2178  * that the GUI can produce.
2179  */
2180 #ifdef FEAT_GUI
2181     if (gui.in_use || gui.starting)
2182 	return gui_mch_haskey(name);
2183 #endif
2184 
2185     if (!force && find_termcode(name) != NULL)	    /* it's already there */
2186 	return OK;
2187 
2188     term = T_NAME;
2189     if (term == NULL || *term == NUL)	    /* 'term' not defined yet */
2190 	return FAIL;
2191 
2192     if (term_is_builtin(term))		    /* name starts with "builtin_" */
2193     {
2194 	term += 8;
2195 #ifdef HAVE_TGETENT
2196 	builtin_first = TRUE;
2197 #endif
2198     }
2199 #ifdef HAVE_TGETENT
2200     else
2201 	builtin_first = p_tbi;
2202 #endif
2203 
2204 #ifdef HAVE_TGETENT
2205 /*
2206  * We can get the entry from the builtin termcap and from the external one.
2207  * If 'ttybuiltin' is on or the terminal name starts with "builtin_", try
2208  * builtin termcap first.
2209  * If 'ttybuiltin' is off, try external termcap first.
2210  */
2211     for (i = 0; i < 2; ++i)
2212     {
2213 	if ((!builtin_first) == i)
2214 #endif
2215 	/*
2216 	 * Search in builtin termcap
2217 	 */
2218 	{
2219 	    termp = find_builtin_term(term);
2220 	    if (termp->bt_string != NULL)	/* found it */
2221 	    {
2222 		key = TERMCAP2KEY(name[0], name[1]);
2223 		while (termp->bt_entry != (int)KS_NAME)
2224 		{
2225 		    if ((int)termp->bt_entry == key)
2226 		    {
2227 			add_termcode(name, (char_u *)termp->bt_string,
2228 							  term_is_8bit(term));
2229 			return OK;
2230 		    }
2231 		    ++termp;
2232 		}
2233 	    }
2234 	}
2235 #ifdef HAVE_TGETENT
2236 	else
2237 	/*
2238 	 * Search in external termcap
2239 	 */
2240 	{
2241 	    error_msg = tgetent_error(tbuf, term);
2242 	    if (error_msg == NULL)
2243 	    {
2244 		string = TGETSTR((char *)name, &tp);
2245 		if (string != NULL && *string != NUL)
2246 		{
2247 		    add_termcode(name, string, FALSE);
2248 		    return OK;
2249 		}
2250 	    }
2251 	}
2252     }
2253 #endif
2254 
2255     if (sourcing_name == NULL)
2256     {
2257 #ifdef HAVE_TGETENT
2258 	if (error_msg != NULL)
2259 	    EMSG(error_msg);
2260 	else
2261 #endif
2262 	    EMSG2(_("E436: No \"%s\" entry in termcap"), name);
2263     }
2264     return FAIL;
2265 }
2266 
2267     static int
2268 term_is_builtin(char_u *name)
2269 {
2270     return (STRNCMP(name, "builtin_", (size_t)8) == 0);
2271 }
2272 
2273 /*
2274  * Return TRUE if terminal "name" uses CSI instead of <Esc>[.
2275  * Assume that the terminal is using 8-bit controls when the name contains
2276  * "8bit", like in "xterm-8bit".
2277  */
2278     int
2279 term_is_8bit(char_u *name)
2280 {
2281     return (detected_8bit || strstr((char *)name, "8bit") != NULL);
2282 }
2283 
2284 /*
2285  * Translate terminal control chars from 7-bit to 8-bit:
2286  * <Esc>[ -> CSI
2287  * <Esc>] -> <M-C-]>
2288  * <Esc>O -> <M-C-O>
2289  */
2290     static int
2291 term_7to8bit(char_u *p)
2292 {
2293     if (*p == ESC)
2294     {
2295 	if (p[1] == '[')
2296 	    return CSI;
2297 	if (p[1] == ']')
2298 	    return OSC;
2299 	if (p[1] == 'O')
2300 	    return 0x8f;
2301     }
2302     return 0;
2303 }
2304 
2305 #ifdef FEAT_GUI
2306     int
2307 term_is_gui(char_u *name)
2308 {
2309     return (STRCMP(name, "builtin_gui") == 0 || STRCMP(name, "gui") == 0);
2310 }
2311 #endif
2312 
2313 #if !defined(HAVE_TGETENT) || defined(AMIGA) || defined(PROTO)
2314 
2315     char_u *
2316 tltoa(unsigned long i)
2317 {
2318     static char_u buf[16];
2319     char_u	*p;
2320 
2321     p = buf + 15;
2322     *p = '\0';
2323     do
2324     {
2325 	--p;
2326 	*p = (char_u) (i % 10 + '0');
2327 	i /= 10;
2328     }
2329     while (i > 0 && p > buf);
2330     return p;
2331 }
2332 #endif
2333 
2334 #ifndef HAVE_TGETENT
2335 
2336 /*
2337  * minimal tgoto() implementation.
2338  * no padding and we only parse for %i %d and %+char
2339  */
2340 static char *tgoto(char *, int, int);
2341 
2342     static char *
2343 tgoto(char *cm, int x, int y)
2344 {
2345     static char buf[30];
2346     char *p, *s, *e;
2347 
2348     if (!cm)
2349 	return "OOPS";
2350     e = buf + 29;
2351     for (s = buf; s < e && *cm; cm++)
2352     {
2353 	if (*cm != '%')
2354 	{
2355 	    *s++ = *cm;
2356 	    continue;
2357 	}
2358 	switch (*++cm)
2359 	{
2360 	case 'd':
2361 	    p = (char *)tltoa((unsigned long)y);
2362 	    y = x;
2363 	    while (*p)
2364 		*s++ = *p++;
2365 	    break;
2366 	case 'i':
2367 	    x++;
2368 	    y++;
2369 	    break;
2370 	case '+':
2371 	    *s++ = (char)(*++cm + y);
2372 	    y = x;
2373 	    break;
2374 	case '%':
2375 	    *s++ = *cm;
2376 	    break;
2377 	default:
2378 	    return "OOPS";
2379 	}
2380     }
2381     *s = '\0';
2382     return buf;
2383 }
2384 
2385 #endif /* HAVE_TGETENT */
2386 
2387 /*
2388  * Set the terminal name and initialize the terminal options.
2389  * If "name" is NULL or empty, get the terminal name from the environment.
2390  * If that fails, use the default terminal name.
2391  */
2392     void
2393 termcapinit(char_u *name)
2394 {
2395     char_u	*term;
2396 
2397     if (name != NULL && *name == NUL)
2398 	name = NULL;	    /* empty name is equal to no name */
2399     term = name;
2400 
2401 #ifdef __BEOS__
2402     /*
2403      * TERM environment variable is normally set to 'ansi' on the Bebox;
2404      * Since the BeBox doesn't quite support full ANSI yet, we use our
2405      * own custom 'ansi-beos' termcap instead, unless the -T option has
2406      * been given on the command line.
2407      */
2408     if (term == NULL
2409 		 && strcmp((char *)mch_getenv((char_u *)"TERM"), "ansi") == 0)
2410 	term = DEFAULT_TERM;
2411 #endif
2412 #ifndef MSWIN
2413     if (term == NULL)
2414 	term = mch_getenv((char_u *)"TERM");
2415 #endif
2416     if (term == NULL || *term == NUL)
2417 	term = DEFAULT_TERM;
2418     set_string_option_direct((char_u *)"term", -1, term, OPT_FREE, 0);
2419 
2420     /* Set the default terminal name. */
2421     set_string_default("term", term);
2422     set_string_default("ttytype", term);
2423 
2424     /*
2425      * Avoid using "term" here, because the next mch_getenv() may overwrite it.
2426      */
2427     set_termname(T_NAME != NULL ? T_NAME : term);
2428 }
2429 
2430 /*
2431  * the number of calls to ui_write is reduced by using the buffer "out_buf"
2432  */
2433 #define OUT_SIZE	2047
2434 	    /* Add one to allow mch_write() in os_win32.c to append a NUL */
2435 static char_u		out_buf[OUT_SIZE + 1];
2436 static int		out_pos = 0;	/* number of chars in out_buf */
2437 
2438 /*
2439  * out_flush(): flush the output buffer
2440  */
2441     void
2442 out_flush(void)
2443 {
2444     int	    len;
2445 
2446     if (out_pos != 0)
2447     {
2448 	/* set out_pos to 0 before ui_write, to avoid recursiveness */
2449 	len = out_pos;
2450 	out_pos = 0;
2451 	ui_write(out_buf, len);
2452     }
2453 }
2454 
2455 #if defined(FEAT_MBYTE) || defined(PROTO)
2456 /*
2457  * Sometimes a byte out of a multi-byte character is written with out_char().
2458  * To avoid flushing half of the character, call this function first.
2459  */
2460     void
2461 out_flush_check(void)
2462 {
2463     if (enc_dbcs != 0 && out_pos >= OUT_SIZE - MB_MAXBYTES)
2464 	out_flush();
2465 }
2466 #endif
2467 
2468 #ifdef FEAT_GUI
2469 /*
2470  * out_trash(): Throw away the contents of the output buffer
2471  */
2472     void
2473 out_trash(void)
2474 {
2475     out_pos = 0;
2476 }
2477 #endif
2478 
2479 /*
2480  * out_char(c): put a byte into the output buffer.
2481  *		Flush it if it becomes full.
2482  * This should not be used for outputting text on the screen (use functions
2483  * like msg_puts() and screen_putchar() for that).
2484  */
2485     void
2486 out_char(unsigned c)
2487 {
2488 #if defined(UNIX) || defined(VMS) || defined(AMIGA) || defined(MACOS_X_UNIX)
2489     if (c == '\n')	/* turn LF into CR-LF (CRMOD doesn't seem to do this) */
2490 	out_char('\r');
2491 #endif
2492 
2493     out_buf[out_pos++] = c;
2494 
2495     /* For testing we flush each time. */
2496     if (out_pos >= OUT_SIZE || p_wd)
2497 	out_flush();
2498 }
2499 
2500 static void out_char_nf(unsigned);
2501 
2502 /*
2503  * out_char_nf(c): like out_char(), but don't flush when p_wd is set
2504  */
2505     static void
2506 out_char_nf(unsigned c)
2507 {
2508 #if defined(UNIX) || defined(VMS) || defined(AMIGA) || defined(MACOS_X_UNIX)
2509     if (c == '\n')	/* turn LF into CR-LF (CRMOD doesn't seem to do this) */
2510 	out_char_nf('\r');
2511 #endif
2512 
2513     out_buf[out_pos++] = c;
2514 
2515     if (out_pos >= OUT_SIZE)
2516 	out_flush();
2517 }
2518 
2519 #if defined(FEAT_TITLE) || defined(FEAT_MOUSE_TTY) || defined(FEAT_GUI) \
2520     || defined(FEAT_TERMRESPONSE) || defined(PROTO)
2521 /*
2522  * A never-padding out_str.
2523  * use this whenever you don't want to run the string through tputs.
2524  * tputs above is harmless, but tputs from the termcap library
2525  * is likely to strip off leading digits, that it mistakes for padding
2526  * information, and "%i", "%d", etc.
2527  * This should only be used for writing terminal codes, not for outputting
2528  * normal text (use functions like msg_puts() and screen_putchar() for that).
2529  */
2530     void
2531 out_str_nf(char_u *s)
2532 {
2533     if (out_pos > OUT_SIZE - 20)  /* avoid terminal strings being split up */
2534 	out_flush();
2535     while (*s)
2536 	out_char_nf(*s++);
2537 
2538     /* For testing we write one string at a time. */
2539     if (p_wd)
2540 	out_flush();
2541 }
2542 #endif
2543 
2544 /*
2545  * A conditional-flushing out_str, mainly for visualbell.
2546  * Handles a delay internally, because termlib may not respect the delay or do
2547  * it at the wrong time.
2548  * Note: Only for terminal strings.
2549  */
2550     void
2551 out_str_cf(char_u *s)
2552 {
2553     if (s != NULL && *s)
2554     {
2555 #ifdef HAVE_TGETENT
2556 	char_u *p;
2557 #endif
2558 
2559 #ifdef FEAT_GUI
2560 	/* Don't use tputs() when GUI is used, ncurses crashes. */
2561 	if (gui.in_use)
2562 	{
2563 	    out_str_nf(s);
2564 	    return;
2565 	}
2566 #endif
2567 	if (out_pos > OUT_SIZE - 20)
2568 	    out_flush();
2569 #ifdef HAVE_TGETENT
2570 	for (p = s; *s; ++s)
2571 	{
2572 	    /* flush just before delay command */
2573 	    if (*s == '$' && *(s + 1) == '<')
2574 	    {
2575 		char_u save_c = *s;
2576 		int duration = atoi((char *)s + 2);
2577 
2578 		*s = NUL;
2579 		tputs((char *)p, 1, TPUTSFUNCAST out_char_nf);
2580 		*s = save_c;
2581 		out_flush();
2582 # ifdef ELAPSED_FUNC
2583 		/* Only sleep here if we can limit this happening in
2584 		 * vim_beep(). */
2585 		p = vim_strchr(s, '>');
2586 		if (p == NULL || duration <= 0)
2587 		{
2588 		    /* can't parse the time, don't sleep here */
2589 		    p = s;
2590 		}
2591 		else
2592 		{
2593 		    ++p;
2594 		    do_sleep(duration);
2595 		}
2596 # else
2597 		/* Rely on the terminal library to sleep. */
2598 		p = s;
2599 # endif
2600 		break;
2601 	    }
2602 	}
2603 	tputs((char *)p, 1, TPUTSFUNCAST out_char_nf);
2604 #else
2605 	while (*s)
2606 	    out_char_nf(*s++);
2607 #endif
2608 
2609 	/* For testing we write one string at a time. */
2610 	if (p_wd)
2611 	    out_flush();
2612     }
2613 }
2614 
2615 /*
2616  * out_str(s): Put a character string a byte at a time into the output buffer.
2617  * If HAVE_TGETENT is defined use the termcap parser. (jw)
2618  * This should only be used for writing terminal codes, not for outputting
2619  * normal text (use functions like msg_puts() and screen_putchar() for that).
2620  */
2621     void
2622 out_str(char_u *s)
2623 {
2624     if (s != NULL && *s)
2625     {
2626 #ifdef FEAT_GUI
2627 	/* Don't use tputs() when GUI is used, ncurses crashes. */
2628 	if (gui.in_use)
2629 	{
2630 	    out_str_nf(s);
2631 	    return;
2632 	}
2633 #endif
2634 	/* avoid terminal strings being split up */
2635 	if (out_pos > OUT_SIZE - 20)
2636 	    out_flush();
2637 #ifdef HAVE_TGETENT
2638 	tputs((char *)s, 1, TPUTSFUNCAST out_char_nf);
2639 #else
2640 	while (*s)
2641 	    out_char_nf(*s++);
2642 #endif
2643 
2644 	/* For testing we write one string at a time. */
2645 	if (p_wd)
2646 	    out_flush();
2647     }
2648 }
2649 
2650 /*
2651  * cursor positioning using termcap parser. (jw)
2652  */
2653     void
2654 term_windgoto(int row, int col)
2655 {
2656     OUT_STR(tgoto((char *)T_CM, col, row));
2657 }
2658 
2659     void
2660 term_cursor_right(int i)
2661 {
2662     OUT_STR(tgoto((char *)T_CRI, 0, i));
2663 }
2664 
2665     void
2666 term_append_lines(int line_count)
2667 {
2668     OUT_STR(tgoto((char *)T_CAL, 0, line_count));
2669 }
2670 
2671     void
2672 term_delete_lines(int line_count)
2673 {
2674     OUT_STR(tgoto((char *)T_CDL, 0, line_count));
2675 }
2676 
2677 #if defined(HAVE_TGETENT) || defined(PROTO)
2678     void
2679 term_set_winpos(int x, int y)
2680 {
2681     /* Can't handle a negative value here */
2682     if (x < 0)
2683 	x = 0;
2684     if (y < 0)
2685 	y = 0;
2686     OUT_STR(tgoto((char *)T_CWP, y, x));
2687 }
2688 
2689 # if defined(FEAT_TERMRESPONSE) || defined(PROTO)
2690 /*
2691  * Return TRUE if we can request the terminal for a response.
2692  */
2693     static int
2694 can_get_termresponse()
2695 {
2696     return cur_tmode == TMODE_RAW
2697 	    && termcap_active
2698 # ifdef UNIX
2699 	    && (is_not_a_term() || (isatty(1) && isatty(read_cmd_fd)))
2700 # endif
2701 	    && p_ek;
2702 }
2703 
2704 static int winpos_x;
2705 static int winpos_y;
2706 static int waiting_for_winpos = FALSE;
2707 
2708 /*
2709  * Try getting the Vim window position from the terminal.
2710  * Returns OK or FAIL.
2711  */
2712     int
2713 term_get_winpos(int *x, int *y)
2714 {
2715     int count = 0;
2716 
2717     if (*T_CGP == NUL || !can_get_termresponse())
2718 	return FAIL;
2719     winpos_x = -1;
2720     winpos_y = -1;
2721     waiting_for_winpos = TRUE;
2722     OUT_STR(T_CGP);
2723     out_flush();
2724 
2725     /* Try reading the result for 100 msec. */
2726     while (count++ < 10)
2727     {
2728 	(void)vpeekc_nomap();
2729 	if (winpos_x >= 0 && winpos_y >= 0)
2730 	{
2731 	    *x = winpos_x;
2732 	    *y = winpos_y;
2733 	    waiting_for_winpos = FALSE;
2734 	    return OK;
2735 	}
2736 	ui_delay(10, FALSE);
2737     }
2738     waiting_for_winpos = FALSE;
2739     return FALSE;
2740 }
2741 # endif
2742 
2743     void
2744 term_set_winsize(int height, int width)
2745 {
2746     OUT_STR(tgoto((char *)T_CWS, width, height));
2747 }
2748 #endif
2749 
2750     void
2751 term_fg_color(int n)
2752 {
2753     /* Use "AF" termcap entry if present, "Sf" entry otherwise */
2754     if (*T_CAF)
2755 	term_color(T_CAF, n);
2756     else if (*T_CSF)
2757 	term_color(T_CSF, n);
2758 }
2759 
2760     void
2761 term_bg_color(int n)
2762 {
2763     /* Use "AB" termcap entry if present, "Sb" entry otherwise */
2764     if (*T_CAB)
2765 	term_color(T_CAB, n);
2766     else if (*T_CSB)
2767 	term_color(T_CSB, n);
2768 }
2769 
2770     static void
2771 term_color(char_u *s, int n)
2772 {
2773     char	buf[20];
2774     int i = 2;	/* index in s[] just after <Esc>[ or CSI */
2775 
2776     /* Special handling of 16 colors, because termcap can't handle it */
2777     /* Also accept "\e[3%dm" for TERMINFO, it is sometimes used */
2778     /* Also accept CSI instead of <Esc>[ */
2779     if (n >= 8 && t_colors >= 16
2780 	      && ((s[0] == ESC && s[1] == '[') || (s[0] == CSI && (i = 1) == 1))
2781 	      && s[i] != NUL
2782 	      && (STRCMP(s + i + 1, "%p1%dm") == 0
2783 		  || STRCMP(s + i + 1, "%dm") == 0)
2784 	      && (s[i] == '3' || s[i] == '4'))
2785     {
2786 #ifdef TERMINFO
2787 	char *format = "%s%s%%p1%%dm";
2788 #else
2789 	char *format = "%s%s%%dm";
2790 #endif
2791 	sprintf(buf, format,
2792 		i == 2 ? IF_EB("\033[", ESC_STR "[") : "\233",
2793 		s[i] == '3' ? (n >= 16 ? "38;5;" : "9")
2794 			    : (n >= 16 ? "48;5;" : "10"));
2795 	OUT_STR(tgoto(buf, 0, n >= 16 ? n : n - 8));
2796     }
2797     else
2798 	OUT_STR(tgoto((char *)s, 0, n));
2799 }
2800 
2801 #if defined(FEAT_TERMGUICOLORS) || defined(PROTO)
2802 
2803 #define RED(rgb)   (((long_u)(rgb) >> 16) & 0xFF)
2804 #define GREEN(rgb) (((long_u)(rgb) >>  8) & 0xFF)
2805 #define BLUE(rgb)  (((long_u)(rgb)      ) & 0xFF)
2806 
2807     static void
2808 term_rgb_color(char_u *s, guicolor_T rgb)
2809 {
2810 #define MAX_COLOR_STR_LEN 100
2811     char	buf[MAX_COLOR_STR_LEN];
2812 
2813     vim_snprintf(buf, MAX_COLOR_STR_LEN,
2814 				  (char *)s, RED(rgb), GREEN(rgb), BLUE(rgb));
2815     OUT_STR(buf);
2816 }
2817 
2818     void
2819 term_fg_rgb_color(guicolor_T rgb)
2820 {
2821     term_rgb_color(T_8F, rgb);
2822 }
2823 
2824     void
2825 term_bg_rgb_color(guicolor_T rgb)
2826 {
2827     term_rgb_color(T_8B, rgb);
2828 }
2829 #endif
2830 
2831 #if (defined(FEAT_TITLE) && (defined(UNIX) || defined(VMS) \
2832 	|| defined(MACOS_X))) || defined(PROTO)
2833 /*
2834  * Generic function to set window title, using t_ts and t_fs.
2835  */
2836     void
2837 term_settitle(char_u *title)
2838 {
2839     /* t_ts takes one argument: column in status line */
2840     OUT_STR(tgoto((char *)T_TS, 0, 0));	/* set title start */
2841     out_str_nf(title);
2842     out_str(T_FS);			/* set title end */
2843     out_flush();
2844 }
2845 #endif
2846 
2847 /*
2848  * Make sure we have a valid set or terminal options.
2849  * Replace all entries that are NULL by empty_option
2850  */
2851     void
2852 ttest(int pairs)
2853 {
2854     char_u *env_colors;
2855 
2856     check_options();		    /* make sure no options are NULL */
2857 
2858     /*
2859      * MUST have "cm": cursor motion.
2860      */
2861     if (*T_CM == NUL)
2862 	EMSG(_("E437: terminal capability \"cm\" required"));
2863 
2864     /*
2865      * if "cs" defined, use a scroll region, it's faster.
2866      */
2867     if (*T_CS != NUL)
2868 	scroll_region = TRUE;
2869     else
2870 	scroll_region = FALSE;
2871 
2872     if (pairs)
2873     {
2874 	/*
2875 	 * optional pairs
2876 	 */
2877 	/* TP goes to normal mode for TI (invert) and TB (bold) */
2878 	if (*T_ME == NUL)
2879 	    T_ME = T_MR = T_MD = T_MB = empty_option;
2880 	if (*T_SO == NUL || *T_SE == NUL)
2881 	    T_SO = T_SE = empty_option;
2882 	if (*T_US == NUL || *T_UE == NUL)
2883 	    T_US = T_UE = empty_option;
2884 	if (*T_CZH == NUL || *T_CZR == NUL)
2885 	    T_CZH = T_CZR = empty_option;
2886 
2887 	/* T_VE is needed even though T_VI is not defined */
2888 	if (*T_VE == NUL)
2889 	    T_VI = empty_option;
2890 
2891 	/* if 'mr' or 'me' is not defined use 'so' and 'se' */
2892 	if (*T_ME == NUL)
2893 	{
2894 	    T_ME = T_SE;
2895 	    T_MR = T_SO;
2896 	    T_MD = T_SO;
2897 	}
2898 
2899 	/* if 'so' or 'se' is not defined use 'mr' and 'me' */
2900 	if (*T_SO == NUL)
2901 	{
2902 	    T_SE = T_ME;
2903 	    if (*T_MR == NUL)
2904 		T_SO = T_MD;
2905 	    else
2906 		T_SO = T_MR;
2907 	}
2908 
2909 	/* if 'ZH' or 'ZR' is not defined use 'mr' and 'me' */
2910 	if (*T_CZH == NUL)
2911 	{
2912 	    T_CZR = T_ME;
2913 	    if (*T_MR == NUL)
2914 		T_CZH = T_MD;
2915 	    else
2916 		T_CZH = T_MR;
2917 	}
2918 
2919 	/* "Sb" and "Sf" come in pairs */
2920 	if (*T_CSB == NUL || *T_CSF == NUL)
2921 	{
2922 	    T_CSB = empty_option;
2923 	    T_CSF = empty_option;
2924 	}
2925 
2926 	/* "AB" and "AF" come in pairs */
2927 	if (*T_CAB == NUL || *T_CAF == NUL)
2928 	{
2929 	    T_CAB = empty_option;
2930 	    T_CAF = empty_option;
2931 	}
2932 
2933 	/* if 'Sb' and 'AB' are not defined, reset "Co" */
2934 	if (*T_CSB == NUL && *T_CAB == NUL)
2935 	    free_one_termoption(T_CCO);
2936 
2937 	/* Set 'weirdinvert' according to value of 't_xs' */
2938 	p_wiv = (*T_XS != NUL);
2939     }
2940     need_gather = TRUE;
2941 
2942     /* Set t_colors to the value of $COLORS or t_Co. */
2943     t_colors = atoi((char *)T_CCO);
2944     env_colors = mch_getenv((char_u *)"COLORS");
2945     if (env_colors != NULL && isdigit(*env_colors))
2946     {
2947 	int colors = atoi((char *)env_colors);
2948 
2949 	if (colors != t_colors)
2950 	    set_color_count(colors);
2951     }
2952 }
2953 
2954 #if (defined(FEAT_GUI) && (defined(FEAT_MENU) || !defined(USE_ON_FLY_SCROLL))) \
2955 	|| defined(PROTO)
2956 /*
2957  * Represent the given long_u as individual bytes, with the most significant
2958  * byte first, and store them in dst.
2959  */
2960     void
2961 add_long_to_buf(long_u val, char_u *dst)
2962 {
2963     int	    i;
2964     int	    shift;
2965 
2966     for (i = 1; i <= (int)sizeof(long_u); i++)
2967     {
2968 	shift = 8 * (sizeof(long_u) - i);
2969 	dst[i - 1] = (char_u) ((val >> shift) & 0xff);
2970     }
2971 }
2972 
2973 static int get_long_from_buf(char_u *buf, long_u *val);
2974 
2975 /*
2976  * Interpret the next string of bytes in buf as a long integer, with the most
2977  * significant byte first.  Note that it is assumed that buf has been through
2978  * inchar(), so that NUL and K_SPECIAL will be represented as three bytes each.
2979  * Puts result in val, and returns the number of bytes read from buf
2980  * (between sizeof(long_u) and 2 * sizeof(long_u)), or -1 if not enough bytes
2981  * were present.
2982  */
2983     static int
2984 get_long_from_buf(char_u *buf, long_u *val)
2985 {
2986     int	    len;
2987     char_u  bytes[sizeof(long_u)];
2988     int	    i;
2989     int	    shift;
2990 
2991     *val = 0;
2992     len = get_bytes_from_buf(buf, bytes, (int)sizeof(long_u));
2993     if (len != -1)
2994     {
2995 	for (i = 0; i < (int)sizeof(long_u); i++)
2996 	{
2997 	    shift = 8 * (sizeof(long_u) - 1 - i);
2998 	    *val += (long_u)bytes[i] << shift;
2999 	}
3000     }
3001     return len;
3002 }
3003 #endif
3004 
3005 #if defined(FEAT_GUI) \
3006     || (defined(FEAT_MOUSE) && (!defined(UNIX) || defined(FEAT_MOUSE_XTERM) \
3007 		|| defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)))
3008 /*
3009  * Read the next num_bytes bytes from buf, and store them in bytes.  Assume
3010  * that buf has been through inchar().	Returns the actual number of bytes used
3011  * from buf (between num_bytes and num_bytes*2), or -1 if not enough bytes were
3012  * available.
3013  */
3014     static int
3015 get_bytes_from_buf(char_u *buf, char_u *bytes, int num_bytes)
3016 {
3017     int	    len = 0;
3018     int	    i;
3019     char_u  c;
3020 
3021     for (i = 0; i < num_bytes; i++)
3022     {
3023 	if ((c = buf[len++]) == NUL)
3024 	    return -1;
3025 	if (c == K_SPECIAL)
3026 	{
3027 	    if (buf[len] == NUL || buf[len + 1] == NUL)	    /* cannot happen? */
3028 		return -1;
3029 	    if (buf[len++] == (int)KS_ZERO)
3030 		c = NUL;
3031 	    /* else it should be KS_SPECIAL; when followed by KE_FILLER c is
3032 	     * K_SPECIAL, or followed by KE_CSI and c must be CSI. */
3033 	    if (buf[len++] == (int)KE_CSI)
3034 		c = CSI;
3035 	}
3036 	else if (c == CSI && buf[len] == KS_EXTRA
3037 					       && buf[len + 1] == (int)KE_CSI)
3038 	    /* CSI is stored as CSI KS_SPECIAL KE_CSI to avoid confusion with
3039 	     * the start of a special key, see add_to_input_buf_csi(). */
3040 	    len += 2;
3041 	bytes[i] = c;
3042     }
3043     return len;
3044 }
3045 #endif
3046 
3047 /*
3048  * Check if the new shell size is valid, correct it if it's too small or way
3049  * too big.
3050  */
3051     void
3052 check_shellsize(void)
3053 {
3054     if (Rows < min_rows())	/* need room for one window and command line */
3055 	Rows = min_rows();
3056     limit_screen_size();
3057 }
3058 
3059 /*
3060  * Limit Rows and Columns to avoid an overflow in Rows * Columns.
3061  */
3062     void
3063 limit_screen_size(void)
3064 {
3065     if (Columns < MIN_COLUMNS)
3066 	Columns = MIN_COLUMNS;
3067     else if (Columns > 10000)
3068 	Columns = 10000;
3069     if (Rows > 1000)
3070 	Rows = 1000;
3071 }
3072 
3073 /*
3074  * Invoked just before the screen structures are going to be (re)allocated.
3075  */
3076     void
3077 win_new_shellsize(void)
3078 {
3079     static int	old_Rows = 0;
3080     static int	old_Columns = 0;
3081 
3082     if (old_Rows != Rows || old_Columns != Columns)
3083 	ui_new_shellsize();
3084     if (old_Rows != Rows)
3085     {
3086 	/* if 'window' uses the whole screen, keep it using that */
3087 	if (p_window == old_Rows - 1 || old_Rows == 0)
3088 	    p_window = Rows - 1;
3089 	old_Rows = Rows;
3090 	shell_new_rows();	/* update window sizes */
3091     }
3092     if (old_Columns != Columns)
3093     {
3094 	old_Columns = Columns;
3095 #ifdef FEAT_WINDOWS
3096 	shell_new_columns();	/* update window sizes */
3097 #endif
3098     }
3099 }
3100 
3101 /*
3102  * Call this function when the Vim shell has been resized in any way.
3103  * Will obtain the current size and redraw (also when size didn't change).
3104  */
3105     void
3106 shell_resized(void)
3107 {
3108     set_shellsize(0, 0, FALSE);
3109 }
3110 
3111 /*
3112  * Check if the shell size changed.  Handle a resize.
3113  * When the size didn't change, nothing happens.
3114  */
3115     void
3116 shell_resized_check(void)
3117 {
3118     int		old_Rows = Rows;
3119     int		old_Columns = Columns;
3120 
3121     if (!exiting
3122 #ifdef FEAT_GUI
3123 	    /* Do not get the size when executing a shell command during
3124 	     * startup. */
3125 	    && !gui.starting
3126 #endif
3127 	    )
3128     {
3129 	(void)ui_get_shellsize();
3130 	check_shellsize();
3131 	if (old_Rows != Rows || old_Columns != Columns)
3132 	    shell_resized();
3133     }
3134 }
3135 
3136 /*
3137  * Set size of the Vim shell.
3138  * If 'mustset' is TRUE, we must set Rows and Columns, do not get the real
3139  * window size (this is used for the :win command).
3140  * If 'mustset' is FALSE, we may try to get the real window size and if
3141  * it fails use 'width' and 'height'.
3142  */
3143     void
3144 set_shellsize(int width, int height, int mustset)
3145 {
3146     static int		busy = FALSE;
3147 
3148     /*
3149      * Avoid recursiveness, can happen when setting the window size causes
3150      * another window-changed signal.
3151      */
3152     if (busy)
3153 	return;
3154 
3155     if (width < 0 || height < 0)    /* just checking... */
3156 	return;
3157 
3158     if (State == HITRETURN || State == SETWSIZE)
3159     {
3160 	/* postpone the resizing */
3161 	State = SETWSIZE;
3162 	return;
3163     }
3164 
3165     /* curwin->w_buffer can be NULL when we are closing a window and the
3166      * buffer has already been closed and removing a scrollbar causes a resize
3167      * event. Don't resize then, it will happen after entering another buffer.
3168      */
3169     if (curwin->w_buffer == NULL)
3170 	return;
3171 
3172     ++busy;
3173 
3174 #ifdef AMIGA
3175     out_flush();	    /* must do this before mch_get_shellsize() for
3176 			       some obscure reason */
3177 #endif
3178 
3179     if (mustset || (ui_get_shellsize() == FAIL && height != 0))
3180     {
3181 	Rows = height;
3182 	Columns = width;
3183 	check_shellsize();
3184 	ui_set_shellsize(mustset);
3185     }
3186     else
3187 	check_shellsize();
3188 
3189     /* The window layout used to be adjusted here, but it now happens in
3190      * screenalloc() (also invoked from screenclear()).  That is because the
3191      * "busy" check above may skip this, but not screenalloc(). */
3192 
3193     if (State != ASKMORE && State != EXTERNCMD && State != CONFIRM)
3194 	screenclear();
3195     else
3196 	screen_start();	    /* don't know where cursor is now */
3197 
3198     if (starting != NO_SCREEN)
3199     {
3200 #ifdef FEAT_TITLE
3201 	maketitle();
3202 #endif
3203 	changed_line_abv_curs();
3204 	invalidate_botline();
3205 
3206 	/*
3207 	 * We only redraw when it's needed:
3208 	 * - While at the more prompt or executing an external command, don't
3209 	 *   redraw, but position the cursor.
3210 	 * - While editing the command line, only redraw that.
3211 	 * - in Ex mode, don't redraw anything.
3212 	 * - Otherwise, redraw right now, and position the cursor.
3213 	 * Always need to call update_screen() or screenalloc(), to make
3214 	 * sure Rows/Columns and the size of ScreenLines[] is correct!
3215 	 */
3216 	if (State == ASKMORE || State == EXTERNCMD || State == CONFIRM
3217 							     || exmode_active)
3218 	{
3219 	    screenalloc(FALSE);
3220 	    repeat_message();
3221 	}
3222 	else
3223 	{
3224 #ifdef FEAT_SCROLLBIND
3225 	    if (curwin->w_p_scb)
3226 		do_check_scrollbind(TRUE);
3227 #endif
3228 	    if (State & CMDLINE)
3229 	    {
3230 		update_screen(NOT_VALID);
3231 		redrawcmdline();
3232 	    }
3233 	    else
3234 	    {
3235 		update_topline();
3236 #if defined(FEAT_INS_EXPAND)
3237 		if (pum_visible())
3238 		{
3239 		    redraw_later(NOT_VALID);
3240 		    ins_compl_show_pum(); /* This includes the redraw. */
3241 		}
3242 		else
3243 #endif
3244 		    update_screen(NOT_VALID);
3245 		if (redrawing())
3246 		    setcursor();
3247 	    }
3248 	}
3249 	cursor_on();	    /* redrawing may have switched it off */
3250     }
3251     out_flush();
3252     --busy;
3253 }
3254 
3255 /*
3256  * Set the terminal to TMODE_RAW (for Normal mode) or TMODE_COOK (for external
3257  * commands and Ex mode).
3258  */
3259     void
3260 settmode(int tmode)
3261 {
3262 #ifdef FEAT_GUI
3263     /* don't set the term where gvim was started to any mode */
3264     if (gui.in_use)
3265 	return;
3266 #endif
3267 
3268     if (full_screen)
3269     {
3270 	/*
3271 	 * When returning after calling a shell we want to really set the
3272 	 * terminal to raw mode, even though we think it already is, because
3273 	 * the shell program may have reset the terminal mode.
3274 	 * When we think the terminal is normal, don't try to set it to
3275 	 * normal again, because that causes problems (logout!) on some
3276 	 * machines.
3277 	 */
3278 	if (tmode != TMODE_COOK || cur_tmode != TMODE_COOK)
3279 	{
3280 #ifdef FEAT_TERMRESPONSE
3281 # ifdef FEAT_GUI
3282 	    if (!gui.in_use && !gui.starting)
3283 # endif
3284 	    {
3285 		/* May need to check for T_CRV response and termcodes, it
3286 		 * doesn't work in Cooked mode, an external program may get
3287 		 * them. */
3288 		if (tmode != TMODE_RAW && (crv_status == CRV_SENT
3289 					 || u7_status == U7_SENT
3290 					 || rbg_status == RBG_SENT))
3291 		    (void)vpeekc_nomap();
3292 		check_for_codes_from_term();
3293 	    }
3294 #endif
3295 #ifdef FEAT_MOUSE_TTY
3296 	    if (tmode != TMODE_RAW)
3297 		mch_setmouse(FALSE);	/* switch mouse off */
3298 #endif
3299 	    if (tmode != TMODE_RAW)
3300 		out_str(T_BD);		/* disable bracketed paste mode */
3301 	    out_flush();
3302 	    mch_settmode(tmode);	/* machine specific function */
3303 	    cur_tmode = tmode;
3304 #ifdef FEAT_MOUSE
3305 	    if (tmode == TMODE_RAW)
3306 		setmouse();		/* may switch mouse on */
3307 #endif
3308 	    if (tmode == TMODE_RAW)
3309 		out_str(T_BE);		/* enable bracketed paste mode */
3310 	    out_flush();
3311 	}
3312 #ifdef FEAT_TERMRESPONSE
3313 	may_req_termresponse();
3314 #endif
3315     }
3316 }
3317 
3318     void
3319 starttermcap(void)
3320 {
3321     if (full_screen && !termcap_active)
3322     {
3323 	out_str(T_TI);			/* start termcap mode */
3324 	out_str(T_KS);			/* start "keypad transmit" mode */
3325 	out_str(T_BE);			/* enable bracketed paste mode */
3326 	out_flush();
3327 	termcap_active = TRUE;
3328 	screen_start();			/* don't know where cursor is now */
3329 #ifdef FEAT_TERMRESPONSE
3330 # ifdef FEAT_GUI
3331 	if (!gui.in_use && !gui.starting)
3332 # endif
3333 	{
3334 	    may_req_termresponse();
3335 	    /* Immediately check for a response.  If t_Co changes, we don't
3336 	     * want to redraw with wrong colors first. */
3337 	    if (crv_status == CRV_SENT)
3338 		check_for_codes_from_term();
3339 	}
3340 #endif
3341     }
3342 }
3343 
3344     void
3345 stoptermcap(void)
3346 {
3347     screen_stop_highlight();
3348     reset_cterm_colors();
3349     if (termcap_active)
3350     {
3351 #ifdef FEAT_TERMRESPONSE
3352 # ifdef FEAT_GUI
3353 	if (!gui.in_use && !gui.starting)
3354 # endif
3355 	{
3356 	    /* May need to discard T_CRV, T_U7 or T_RBG response. */
3357 	    if (crv_status == CRV_SENT || u7_status == U7_SENT
3358 						     || rbg_status == RBG_SENT)
3359 	    {
3360 # ifdef UNIX
3361 		/* Give the terminal a chance to respond. */
3362 		mch_delay(100L, FALSE);
3363 # endif
3364 # ifdef TCIFLUSH
3365 		/* Discard data received but not read. */
3366 		if (exiting)
3367 		    tcflush(fileno(stdin), TCIFLUSH);
3368 # endif
3369 	    }
3370 	    /* Check for termcodes first, otherwise an external program may
3371 	     * get them. */
3372 	    check_for_codes_from_term();
3373 	}
3374 #endif
3375 	out_str(T_BD);			/* disable bracketed paste mode */
3376 	out_str(T_KE);			/* stop "keypad transmit" mode */
3377 	out_flush();
3378 	termcap_active = FALSE;
3379 	cursor_on();			/* just in case it is still off */
3380 	out_str(T_TE);			/* stop termcap mode */
3381 	screen_start();			/* don't know where cursor is now */
3382 	out_flush();
3383     }
3384 }
3385 
3386 #if defined(FEAT_TERMRESPONSE) || defined(PROTO)
3387 /*
3388  * Request version string (for xterm) when needed.
3389  * Only do this after switching to raw mode, otherwise the result will be
3390  * echoed.
3391  * Only do this after startup has finished, to avoid that the response comes
3392  * while executing "-c !cmd" or even after "-c quit".
3393  * Only do this after termcap mode has been started, otherwise the codes for
3394  * the cursor keys may be wrong.
3395  * Only do this when 'esckeys' is on, otherwise the response causes trouble in
3396  * Insert mode.
3397  * On Unix only do it when both output and input are a tty (avoid writing
3398  * request to terminal while reading from a file).
3399  * The result is caught in check_termcode().
3400  */
3401     void
3402 may_req_termresponse(void)
3403 {
3404     if (crv_status == CRV_GET
3405 	    && can_get_termresponse()
3406 	    && starting == 0
3407 	    && *T_CRV != NUL)
3408     {
3409 	LOG_TR("Sending CRV");
3410 	out_str(T_CRV);
3411 	crv_status = CRV_SENT;
3412 	/* check for the characters now, otherwise they might be eaten by
3413 	 * get_keystroke() */
3414 	out_flush();
3415 	(void)vpeekc_nomap();
3416     }
3417 }
3418 
3419 # if defined(FEAT_MBYTE) || defined(PROTO)
3420 /*
3421  * Check how the terminal treats ambiguous character width (UAX #11).
3422  * First, we move the cursor to (1, 0) and print a test ambiguous character
3423  * \u25bd (WHITE DOWN-POINTING TRIANGLE) and query current cursor position.
3424  * If the terminal treats \u25bd as single width, the position is (1, 1),
3425  * or if it is treated as double width, that will be (1, 2).
3426  * This function has the side effect that changes cursor position, so
3427  * it must be called immediately after entering termcap mode.
3428  */
3429     void
3430 may_req_ambiguous_char_width(void)
3431 {
3432     if (u7_status == U7_GET
3433 	    && can_get_termresponse()
3434 	    && starting == 0
3435 	    && *T_U7 != NUL
3436 	    && !option_was_set((char_u *)"ambiwidth"))
3437     {
3438 	 char_u	buf[16];
3439 
3440 	 LOG_TR("Sending U7 request");
3441 	 /* Do this in the second row.  In the first row the returned sequence
3442 	  * may be CSI 1;2R, which is the same as <S-F3>. */
3443 	 term_windgoto(1, 0);
3444 	 buf[mb_char2bytes(0x25bd, buf)] = 0;
3445 	 out_str(buf);
3446 	 out_str(T_U7);
3447 	 u7_status = U7_SENT;
3448 	 out_flush();
3449 
3450 	 /* This overwrites a few characters on the screen, a redraw is needed
3451 	  * after this. Clear them out for now. */
3452 	 term_windgoto(1, 0);
3453 	 out_str((char_u *)"  ");
3454 	 term_windgoto(0, 0);
3455 
3456 	 /* check for the characters now, otherwise they might be eaten by
3457 	  * get_keystroke() */
3458 	 out_flush();
3459 	 (void)vpeekc_nomap();
3460     }
3461 }
3462 # endif
3463 
3464 /*
3465  * Similar to requesting the version string: Request the terminal background
3466  * color when it is the right moment.
3467  */
3468     void
3469 may_req_bg_color(void)
3470 {
3471     if (rbg_status == RBG_GET
3472 	    && can_get_termresponse()
3473 	    && starting == 0
3474 	    && *T_RBG != NUL
3475 	    && !option_was_set((char_u *)"bg"))
3476     {
3477 	LOG_TR("Sending BG request");
3478 	out_str(T_RBG);
3479 	rbg_status = RBG_SENT;
3480 	/* check for the characters now, otherwise they might be eaten by
3481 	 * get_keystroke() */
3482 	out_flush();
3483 	(void)vpeekc_nomap();
3484     }
3485 }
3486 
3487 # ifdef DEBUG_TERMRESPONSE
3488     static void
3489 log_tr(char *msg)
3490 {
3491     static FILE *fd_tr = NULL;
3492     static proftime_T start;
3493     proftime_T now;
3494 
3495     if (fd_tr == NULL)
3496     {
3497 	fd_tr = fopen("termresponse.log", "w");
3498 	profile_start(&start);
3499     }
3500     now = start;
3501     profile_end(&now);
3502     fprintf(fd_tr, "%s: %s %s\n",
3503 	    profile_msg(&now),
3504 	    must_redraw == NOT_VALID ? "NV"
3505 					 : must_redraw == CLEAR ? "CL" : "  ",
3506 	    msg);
3507 }
3508 # endif
3509 #endif
3510 
3511 /*
3512  * Return TRUE when saving and restoring the screen.
3513  */
3514     int
3515 swapping_screen(void)
3516 {
3517     return (full_screen && *T_TI != NUL);
3518 }
3519 
3520 #ifdef FEAT_MOUSE
3521 /*
3522  * setmouse() - switch mouse on/off depending on current mode and 'mouse'
3523  */
3524     void
3525 setmouse(void)
3526 {
3527 # ifdef FEAT_MOUSE_TTY
3528     int	    checkfor;
3529 # endif
3530 
3531 # ifdef FEAT_MOUSESHAPE
3532     update_mouseshape(-1);
3533 # endif
3534 
3535 # ifdef FEAT_MOUSE_TTY /* Should be outside proc, but may break MOUSESHAPE */
3536 #  ifdef FEAT_GUI
3537     /* In the GUI the mouse is always enabled. */
3538     if (gui.in_use)
3539 	return;
3540 #  endif
3541     /* be quick when mouse is off */
3542     if (*p_mouse == NUL || has_mouse_termcode == 0)
3543 	return;
3544 
3545     /* don't switch mouse on when not in raw mode (Ex mode) */
3546     if (cur_tmode != TMODE_RAW)
3547     {
3548 	mch_setmouse(FALSE);
3549 	return;
3550     }
3551 
3552     if (VIsual_active)
3553 	checkfor = MOUSE_VISUAL;
3554     else if (State == HITRETURN || State == ASKMORE || State == SETWSIZE)
3555 	checkfor = MOUSE_RETURN;
3556     else if (State & INSERT)
3557 	checkfor = MOUSE_INSERT;
3558     else if (State & CMDLINE)
3559 	checkfor = MOUSE_COMMAND;
3560     else if (State == CONFIRM || State == EXTERNCMD)
3561 	checkfor = ' '; /* don't use mouse for ":confirm" or ":!cmd" */
3562     else
3563 	checkfor = MOUSE_NORMAL;    /* assume normal mode */
3564 
3565     if (mouse_has(checkfor))
3566 	mch_setmouse(TRUE);
3567     else
3568 	mch_setmouse(FALSE);
3569 # endif
3570 }
3571 
3572 /*
3573  * Return TRUE if
3574  * - "c" is in 'mouse', or
3575  * - 'a' is in 'mouse' and "c" is in MOUSE_A, or
3576  * - the current buffer is a help file and 'h' is in 'mouse' and we are in a
3577  *   normal editing mode (not at hit-return message).
3578  */
3579     int
3580 mouse_has(int c)
3581 {
3582     char_u	*p;
3583 
3584     for (p = p_mouse; *p; ++p)
3585 	switch (*p)
3586 	{
3587 	    case 'a': if (vim_strchr((char_u *)MOUSE_A, c) != NULL)
3588 			  return TRUE;
3589 		      break;
3590 	    case MOUSE_HELP: if (c != MOUSE_RETURN && curbuf->b_help)
3591 				 return TRUE;
3592 			     break;
3593 	    default: if (c == *p) return TRUE; break;
3594 	}
3595     return FALSE;
3596 }
3597 
3598 /*
3599  * Return TRUE when 'mousemodel' is set to "popup" or "popup_setpos".
3600  */
3601     int
3602 mouse_model_popup(void)
3603 {
3604     return (p_mousem[0] == 'p');
3605 }
3606 #endif
3607 
3608 /*
3609  * By outputting the 'cursor very visible' termcap code, for some windowed
3610  * terminals this makes the screen scrolled to the correct position.
3611  * Used when starting Vim or returning from a shell.
3612  */
3613     void
3614 scroll_start(void)
3615 {
3616     if (*T_VS != NUL)
3617     {
3618 	out_str(T_VS);
3619 	out_str(T_VE);
3620 	screen_start();			/* don't know where cursor is now */
3621     }
3622 }
3623 
3624 static int cursor_is_off = FALSE;
3625 
3626 /*
3627  * Enable the cursor.
3628  */
3629     void
3630 cursor_on(void)
3631 {
3632     if (cursor_is_off)
3633     {
3634 	out_str(T_VE);
3635 	cursor_is_off = FALSE;
3636     }
3637 }
3638 
3639 /*
3640  * Disable the cursor.
3641  */
3642     void
3643 cursor_off(void)
3644 {
3645     if (full_screen)
3646     {
3647 	if (!cursor_is_off)
3648 	    out_str(T_VI);	    /* disable cursor */
3649 	cursor_is_off = TRUE;
3650     }
3651 }
3652 
3653 #if defined(CURSOR_SHAPE) || defined(PROTO)
3654 /*
3655  * Set cursor shape to match Insert or Replace mode.
3656  */
3657     void
3658 term_cursor_shape(void)
3659 {
3660     static int showing_mode = NORMAL;
3661     char_u *p;
3662 
3663     /* Only do something when redrawing the screen and we can restore the
3664      * mode. */
3665     if (!full_screen || *T_CEI == NUL)
3666 	return;
3667 
3668     if ((State & REPLACE) == REPLACE)
3669     {
3670 	if (showing_mode != REPLACE)
3671 	{
3672 	    if (*T_CSR != NUL)
3673 		p = T_CSR;	/* Replace mode cursor */
3674 	    else
3675 		p = T_CSI;	/* fall back to Insert mode cursor */
3676 	    if (*p != NUL)
3677 	    {
3678 		out_str(p);
3679 		showing_mode = REPLACE;
3680 	    }
3681 	}
3682     }
3683     else if (State & INSERT)
3684     {
3685 	if (showing_mode != INSERT && *T_CSI != NUL)
3686 	{
3687 	    out_str(T_CSI);	    /* Insert mode cursor */
3688 	    showing_mode = INSERT;
3689 	}
3690     }
3691     else if (showing_mode != NORMAL)
3692     {
3693 	out_str(T_CEI);		    /* non-Insert mode cursor */
3694 	showing_mode = NORMAL;
3695     }
3696 }
3697 #endif
3698 
3699 /*
3700  * Set scrolling region for window 'wp'.
3701  * The region starts 'off' lines from the start of the window.
3702  * Also set the vertical scroll region for a vertically split window.  Always
3703  * the full width of the window, excluding the vertical separator.
3704  */
3705     void
3706 scroll_region_set(win_T *wp, int off)
3707 {
3708     OUT_STR(tgoto((char *)T_CS, W_WINROW(wp) + wp->w_height - 1,
3709 							 W_WINROW(wp) + off));
3710 #ifdef FEAT_WINDOWS
3711     if (*T_CSV != NUL && wp->w_width != Columns)
3712 	OUT_STR(tgoto((char *)T_CSV, W_WINCOL(wp) + wp->w_width - 1,
3713 							       W_WINCOL(wp)));
3714 #endif
3715     screen_start();		    /* don't know where cursor is now */
3716 }
3717 
3718 /*
3719  * Reset scrolling region to the whole screen.
3720  */
3721     void
3722 scroll_region_reset(void)
3723 {
3724     OUT_STR(tgoto((char *)T_CS, (int)Rows - 1, 0));
3725 #ifdef FEAT_WINDOWS
3726     if (*T_CSV != NUL)
3727 	OUT_STR(tgoto((char *)T_CSV, (int)Columns - 1, 0));
3728 #endif
3729     screen_start();		    /* don't know where cursor is now */
3730 }
3731 
3732 
3733 /*
3734  * List of terminal codes that are currently recognized.
3735  */
3736 
3737 static struct termcode
3738 {
3739     char_u  name[2];	    /* termcap name of entry */
3740     char_u  *code;	    /* terminal code (in allocated memory) */
3741     int	    len;	    /* STRLEN(code) */
3742     int	    modlen;	    /* length of part before ";*~". */
3743 } *termcodes = NULL;
3744 
3745 static int  tc_max_len = 0; /* number of entries that termcodes[] can hold */
3746 static int  tc_len = 0;	    /* current number of entries in termcodes[] */
3747 
3748 static int termcode_star(char_u *code, int len);
3749 
3750     void
3751 clear_termcodes(void)
3752 {
3753     while (tc_len > 0)
3754 	vim_free(termcodes[--tc_len].code);
3755     vim_free(termcodes);
3756     termcodes = NULL;
3757     tc_max_len = 0;
3758 
3759 #ifdef HAVE_TGETENT
3760     BC = (char *)empty_option;
3761     UP = (char *)empty_option;
3762     PC = NUL;			/* set pad character to NUL */
3763     ospeed = 0;
3764 #endif
3765 
3766     need_gather = TRUE;		/* need to fill termleader[] */
3767 }
3768 
3769 #define ATC_FROM_TERM 55
3770 
3771 /*
3772  * Add a new entry to the list of terminal codes.
3773  * The list is kept alphabetical for ":set termcap"
3774  * "flags" is TRUE when replacing 7-bit by 8-bit controls is desired.
3775  * "flags" can also be ATC_FROM_TERM for got_code_from_term().
3776  */
3777     void
3778 add_termcode(char_u *name, char_u *string, int flags)
3779 {
3780     struct termcode *new_tc;
3781     int		    i, j;
3782     char_u	    *s;
3783     int		    len;
3784 
3785     if (string == NULL || *string == NUL)
3786     {
3787 	del_termcode(name);
3788 	return;
3789     }
3790 
3791 #if defined(WIN3264) && !defined(FEAT_GUI)
3792     s = vim_strnsave(string, (int)STRLEN(string) + 1);
3793 #else
3794     s = vim_strsave(string);
3795 #endif
3796     if (s == NULL)
3797 	return;
3798 
3799     /* Change leading <Esc>[ to CSI, change <Esc>O to <M-O>. */
3800     if (flags != 0 && flags != ATC_FROM_TERM && term_7to8bit(string) != 0)
3801     {
3802 	STRMOVE(s, s + 1);
3803 	s[0] = term_7to8bit(string);
3804     }
3805 
3806 #if defined(WIN3264) && !defined(FEAT_GUI)
3807     if (s[0] == K_NUL)
3808     {
3809 	STRMOVE(s + 1, s);
3810 	s[1] = 3;
3811     }
3812 #endif
3813 
3814     len = (int)STRLEN(s);
3815 
3816     need_gather = TRUE;		/* need to fill termleader[] */
3817 
3818     /*
3819      * need to make space for more entries
3820      */
3821     if (tc_len == tc_max_len)
3822     {
3823 	tc_max_len += 20;
3824 	new_tc = (struct termcode *)alloc(
3825 			    (unsigned)(tc_max_len * sizeof(struct termcode)));
3826 	if (new_tc == NULL)
3827 	{
3828 	    tc_max_len -= 20;
3829 	    return;
3830 	}
3831 	for (i = 0; i < tc_len; ++i)
3832 	    new_tc[i] = termcodes[i];
3833 	vim_free(termcodes);
3834 	termcodes = new_tc;
3835     }
3836 
3837     /*
3838      * Look for existing entry with the same name, it is replaced.
3839      * Look for an existing entry that is alphabetical higher, the new entry
3840      * is inserted in front of it.
3841      */
3842     for (i = 0; i < tc_len; ++i)
3843     {
3844 	if (termcodes[i].name[0] < name[0])
3845 	    continue;
3846 	if (termcodes[i].name[0] == name[0])
3847 	{
3848 	    if (termcodes[i].name[1] < name[1])
3849 		continue;
3850 	    /*
3851 	     * Exact match: May replace old code.
3852 	     */
3853 	    if (termcodes[i].name[1] == name[1])
3854 	    {
3855 		if (flags == ATC_FROM_TERM && (j = termcode_star(
3856 				    termcodes[i].code, termcodes[i].len)) > 0)
3857 		{
3858 		    /* Don't replace ESC[123;*X or ESC O*X with another when
3859 		     * invoked from got_code_from_term(). */
3860 		    if (len == termcodes[i].len - j
3861 			    && STRNCMP(s, termcodes[i].code, len - 1) == 0
3862 			    && s[len - 1]
3863 				   == termcodes[i].code[termcodes[i].len - 1])
3864 		    {
3865 			/* They are equal but for the ";*": don't add it. */
3866 			vim_free(s);
3867 			return;
3868 		    }
3869 		}
3870 		else
3871 		{
3872 		    /* Replace old code. */
3873 		    vim_free(termcodes[i].code);
3874 		    --tc_len;
3875 		    break;
3876 		}
3877 	    }
3878 	}
3879 	/*
3880 	 * Found alphabetical larger entry, move rest to insert new entry
3881 	 */
3882 	for (j = tc_len; j > i; --j)
3883 	    termcodes[j] = termcodes[j - 1];
3884 	break;
3885     }
3886 
3887     termcodes[i].name[0] = name[0];
3888     termcodes[i].name[1] = name[1];
3889     termcodes[i].code = s;
3890     termcodes[i].len = len;
3891 
3892     /* For xterm we recognize special codes like "ESC[42;*X" and "ESC O*X" that
3893      * accept modifiers. */
3894     termcodes[i].modlen = 0;
3895     j = termcode_star(s, len);
3896     if (j > 0)
3897 	termcodes[i].modlen = len - 1 - j;
3898     ++tc_len;
3899 }
3900 
3901 /*
3902  * Check termcode "code[len]" for ending in ;*X or *X.
3903  * The "X" can be any character.
3904  * Return 0 if not found, 2 for ;*X and 1 for *X.
3905  */
3906     static int
3907 termcode_star(char_u *code, int len)
3908 {
3909     /* Shortest is <M-O>*X.  With ; shortest is <CSI>1;*X */
3910     if (len >= 3 && code[len - 2] == '*')
3911     {
3912 	if (len >= 5 && code[len - 3] == ';')
3913 	    return 2;
3914 	else
3915 	    return 1;
3916     }
3917     return 0;
3918 }
3919 
3920     char_u  *
3921 find_termcode(char_u *name)
3922 {
3923     int	    i;
3924 
3925     for (i = 0; i < tc_len; ++i)
3926 	if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1])
3927 	    return termcodes[i].code;
3928     return NULL;
3929 }
3930 
3931 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
3932     char_u *
3933 get_termcode(int i)
3934 {
3935     if (i >= tc_len)
3936 	return NULL;
3937     return &termcodes[i].name[0];
3938 }
3939 #endif
3940 
3941     void
3942 del_termcode(char_u *name)
3943 {
3944     int	    i;
3945 
3946     if (termcodes == NULL)	/* nothing there yet */
3947 	return;
3948 
3949     need_gather = TRUE;		/* need to fill termleader[] */
3950 
3951     for (i = 0; i < tc_len; ++i)
3952 	if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1])
3953 	{
3954 	    del_termcode_idx(i);
3955 	    return;
3956 	}
3957     /* not found. Give error message? */
3958 }
3959 
3960     static void
3961 del_termcode_idx(int idx)
3962 {
3963     int		i;
3964 
3965     vim_free(termcodes[idx].code);
3966     --tc_len;
3967     for (i = idx; i < tc_len; ++i)
3968 	termcodes[i] = termcodes[i + 1];
3969 }
3970 
3971 #ifdef FEAT_TERMRESPONSE
3972 /*
3973  * Called when detected that the terminal sends 8-bit codes.
3974  * Convert all 7-bit codes to their 8-bit equivalent.
3975  */
3976     static void
3977 switch_to_8bit(void)
3978 {
3979     int		i;
3980     int		c;
3981 
3982     /* Only need to do something when not already using 8-bit codes. */
3983     if (!term_is_8bit(T_NAME))
3984     {
3985 	for (i = 0; i < tc_len; ++i)
3986 	{
3987 	    c = term_7to8bit(termcodes[i].code);
3988 	    if (c != 0)
3989 	    {
3990 		STRMOVE(termcodes[i].code + 1, termcodes[i].code + 2);
3991 		termcodes[i].code[0] = c;
3992 	    }
3993 	}
3994 	need_gather = TRUE;		/* need to fill termleader[] */
3995     }
3996     detected_8bit = TRUE;
3997     LOG_TR("Switching to 8 bit");
3998 }
3999 #endif
4000 
4001 #ifdef CHECK_DOUBLE_CLICK
4002 static linenr_T orig_topline = 0;
4003 # ifdef FEAT_DIFF
4004 static int orig_topfill = 0;
4005 # endif
4006 #endif
4007 #if (defined(FEAT_WINDOWS) && defined(CHECK_DOUBLE_CLICK)) || defined(PROTO)
4008 /*
4009  * Checking for double clicks ourselves.
4010  * "orig_topline" is used to avoid detecting a double-click when the window
4011  * contents scrolled (e.g., when 'scrolloff' is non-zero).
4012  */
4013 /*
4014  * Set orig_topline.  Used when jumping to another window, so that a double
4015  * click still works.
4016  */
4017     void
4018 set_mouse_topline(win_T *wp)
4019 {
4020     orig_topline = wp->w_topline;
4021 # ifdef FEAT_DIFF
4022     orig_topfill = wp->w_topfill;
4023 # endif
4024 }
4025 #endif
4026 
4027 /*
4028  * Check if typebuf.tb_buf[] contains a terminal key code.
4029  * Check from typebuf.tb_buf[typebuf.tb_off] to typebuf.tb_buf[typebuf.tb_off
4030  * + max_offset].
4031  * Return 0 for no match, -1 for partial match, > 0 for full match.
4032  * Return KEYLEN_REMOVED when a key code was deleted.
4033  * With a match, the match is removed, the replacement code is inserted in
4034  * typebuf.tb_buf[] and the number of characters in typebuf.tb_buf[] is
4035  * returned.
4036  * When "buf" is not NULL, buf[bufsize] is used instead of typebuf.tb_buf[].
4037  * "buflen" is then the length of the string in buf[] and is updated for
4038  * inserts and deletes.
4039  */
4040     int
4041 check_termcode(
4042     int		max_offset,
4043     char_u	*buf,
4044     int		bufsize,
4045     int		*buflen)
4046 {
4047     char_u	*tp;
4048     char_u	*p;
4049     int		slen = 0;	/* init for GCC */
4050     int		modslen;
4051     int		len;
4052     int		retval = 0;
4053     int		offset;
4054     char_u	key_name[2];
4055     int		modifiers;
4056     char_u	*modifiers_start = NULL;
4057     int		key;
4058     int		new_slen;
4059     int		extra;
4060     char_u	string[MAX_KEY_CODE_LEN + 1];
4061     int		i, j;
4062     int		idx = 0;
4063 #ifdef FEAT_MOUSE
4064 # if !defined(UNIX) || defined(FEAT_MOUSE_XTERM) || defined(FEAT_GUI) \
4065     || defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)
4066     char_u	bytes[6];
4067     int		num_bytes;
4068 # endif
4069     int		mouse_code = 0;	    /* init for GCC */
4070     int		is_click, is_drag;
4071     int		wheel_code = 0;
4072     int		current_button;
4073     static int	held_button = MOUSE_RELEASE;
4074     static int	orig_num_clicks = 1;
4075     static int	orig_mouse_code = 0x0;
4076 # ifdef CHECK_DOUBLE_CLICK
4077     static int	orig_mouse_col = 0;
4078     static int	orig_mouse_row = 0;
4079     static struct timeval  orig_mouse_time = {0, 0};
4080 					/* time of previous mouse click */
4081     struct timeval  mouse_time;		/* time of current mouse click */
4082     long	timediff;		/* elapsed time in msec */
4083 # endif
4084 #endif
4085     int		cpo_koffset;
4086 #ifdef FEAT_MOUSE_GPM
4087     extern int	gpm_flag; /* gpm library variable */
4088 #endif
4089 
4090     cpo_koffset = (vim_strchr(p_cpo, CPO_KOFFSET) != NULL);
4091 
4092     /*
4093      * Speed up the checks for terminal codes by gathering all first bytes
4094      * used in termleader[].  Often this is just a single <Esc>.
4095      */
4096     if (need_gather)
4097 	gather_termleader();
4098 
4099     /*
4100      * Check at several positions in typebuf.tb_buf[], to catch something like
4101      * "x<Up>" that can be mapped. Stop at max_offset, because characters
4102      * after that cannot be used for mapping, and with @r commands
4103      * typebuf.tb_buf[] can become very long.
4104      * This is used often, KEEP IT FAST!
4105      */
4106     for (offset = 0; offset < max_offset; ++offset)
4107     {
4108 	if (buf == NULL)
4109 	{
4110 	    if (offset >= typebuf.tb_len)
4111 		break;
4112 	    tp = typebuf.tb_buf + typebuf.tb_off + offset;
4113 	    len = typebuf.tb_len - offset;	/* length of the input */
4114 	}
4115 	else
4116 	{
4117 	    if (offset >= *buflen)
4118 		break;
4119 	    tp = buf + offset;
4120 	    len = *buflen - offset;
4121 	}
4122 
4123 	/*
4124 	 * Don't check characters after K_SPECIAL, those are already
4125 	 * translated terminal chars (avoid translating ~@^Hx).
4126 	 */
4127 	if (*tp == K_SPECIAL)
4128 	{
4129 	    offset += 2;	/* there are always 2 extra characters */
4130 	    continue;
4131 	}
4132 
4133 	/*
4134 	 * Skip this position if the character does not appear as the first
4135 	 * character in term_strings. This speeds up a lot, since most
4136 	 * termcodes start with the same character (ESC or CSI).
4137 	 */
4138 	i = *tp;
4139 	for (p = termleader; *p && *p != i; ++p)
4140 	    ;
4141 	if (*p == NUL)
4142 	    continue;
4143 
4144 	/*
4145 	 * Skip this position if p_ek is not set and tp[0] is an ESC and we
4146 	 * are in Insert mode.
4147 	 */
4148 	if (*tp == ESC && !p_ek && (State & INSERT))
4149 	    continue;
4150 
4151 	key_name[0] = NUL;	/* no key name found yet */
4152 	key_name[1] = NUL;	/* no key name found yet */
4153 	modifiers = 0;		/* no modifiers yet */
4154 
4155 #ifdef FEAT_GUI
4156 	if (gui.in_use)
4157 	{
4158 	    /*
4159 	     * GUI special key codes are all of the form [CSI xx].
4160 	     */
4161 	    if (*tp == CSI)	    /* Special key from GUI */
4162 	    {
4163 		if (len < 3)
4164 		    return -1;	    /* Shouldn't happen */
4165 		slen = 3;
4166 		key_name[0] = tp[1];
4167 		key_name[1] = tp[2];
4168 	    }
4169 	}
4170 	else
4171 #endif /* FEAT_GUI */
4172 	{
4173 	    for (idx = 0; idx < tc_len; ++idx)
4174 	    {
4175 		/*
4176 		 * Ignore the entry if we are not at the start of
4177 		 * typebuf.tb_buf[]
4178 		 * and there are not enough characters to make a match.
4179 		 * But only when the 'K' flag is in 'cpoptions'.
4180 		 */
4181 		slen = termcodes[idx].len;
4182 		modifiers_start = NULL;
4183 		if (cpo_koffset && offset && len < slen)
4184 		    continue;
4185 		if (STRNCMP(termcodes[idx].code, tp,
4186 				     (size_t)(slen > len ? len : slen)) == 0)
4187 		{
4188 		    if (len < slen)		/* got a partial sequence */
4189 			return -1;		/* need to get more chars */
4190 
4191 		    /*
4192 		     * When found a keypad key, check if there is another key
4193 		     * that matches and use that one.  This makes <Home> to be
4194 		     * found instead of <kHome> when they produce the same
4195 		     * key code.
4196 		     */
4197 		    if (termcodes[idx].name[0] == 'K'
4198 				       && VIM_ISDIGIT(termcodes[idx].name[1]))
4199 		    {
4200 			for (j = idx + 1; j < tc_len; ++j)
4201 			    if (termcodes[j].len == slen &&
4202 				    STRNCMP(termcodes[idx].code,
4203 					    termcodes[j].code, slen) == 0)
4204 			    {
4205 				idx = j;
4206 				break;
4207 			    }
4208 		    }
4209 
4210 		    key_name[0] = termcodes[idx].name[0];
4211 		    key_name[1] = termcodes[idx].name[1];
4212 		    break;
4213 		}
4214 
4215 		/*
4216 		 * Check for code with modifier, like xterm uses:
4217 		 * <Esc>[123;*X  (modslen == slen - 3)
4218 		 * Also <Esc>O*X and <M-O>*X (modslen == slen - 2).
4219 		 * When there is a modifier the * matches a number.
4220 		 * When there is no modifier the ;* or * is omitted.
4221 		 */
4222 		if (termcodes[idx].modlen > 0)
4223 		{
4224 		    modslen = termcodes[idx].modlen;
4225 		    if (cpo_koffset && offset && len < modslen)
4226 			continue;
4227 		    if (STRNCMP(termcodes[idx].code, tp,
4228 				(size_t)(modslen > len ? len : modslen)) == 0)
4229 		    {
4230 			int	    n;
4231 
4232 			if (len <= modslen)	/* got a partial sequence */
4233 			    return -1;		/* need to get more chars */
4234 
4235 			if (tp[modslen] == termcodes[idx].code[slen - 1])
4236 			    slen = modslen + 1;	/* no modifiers */
4237 			else if (tp[modslen] != ';' && modslen == slen - 3)
4238 			    continue;	/* no match */
4239 			else
4240 			{
4241 			    /* Skip over the digits, the final char must
4242 			     * follow. */
4243 			    for (j = slen - 2; j < len && (isdigit(tp[j]) || tp[j] == ';'); ++j)
4244 				;
4245 			    ++j;
4246 			    if (len < j)	/* got a partial sequence */
4247 				return -1;	/* need to get more chars */
4248 			    if (tp[j - 1] != termcodes[idx].code[slen - 1])
4249 				continue;	/* no match */
4250 
4251 			    modifiers_start = tp + slen - 2;
4252 
4253 			    /* Match!  Convert modifier bits. */
4254 			    n = atoi((char *)modifiers_start) - 1;
4255 			    if (n & 1)
4256 				modifiers |= MOD_MASK_SHIFT;
4257 			    if (n & 2)
4258 				modifiers |= MOD_MASK_ALT;
4259 			    if (n & 4)
4260 				modifiers |= MOD_MASK_CTRL;
4261 			    if (n & 8)
4262 				modifiers |= MOD_MASK_META;
4263 
4264 			    slen = j;
4265 			}
4266 			key_name[0] = termcodes[idx].name[0];
4267 			key_name[1] = termcodes[idx].name[1];
4268 			break;
4269 		    }
4270 		}
4271 	    }
4272 	}
4273 
4274 #ifdef FEAT_TERMRESPONSE
4275 	if (key_name[0] == NUL
4276 	    /* Mouse codes of DEC and pterm start with <ESC>[.  When
4277 	     * detecting the start of these mouse codes they might as well be
4278 	     * another key code or terminal response. */
4279 # ifdef FEAT_MOUSE_DEC
4280 	    || key_name[0] == KS_DEC_MOUSE
4281 # endif
4282 # ifdef FEAT_MOUSE_PTERM
4283 	    || key_name[0] == KS_PTERM_MOUSE
4284 # endif
4285 	   )
4286 	{
4287 	    /* Check for some responses from the terminal starting with
4288 	     * "<Esc>[" or CSI:
4289 	     *
4290 	     * - Xterm version string: <Esc>[>{x};{vers};{y}c
4291 	     *   Libvterm returns {x} == 0, {vers} == 100, {y} == 0.
4292 	     *   Also eat other possible responses to t_RV, rxvt returns
4293 	     *   "<Esc>[?1;2c". Also accept CSI instead of <Esc>[.
4294 	     *   mrxvt has been reported to have "+" in the version. Assume
4295 	     *   the escape sequence ends with a letter or one of "{|}~".
4296 	     *
4297 	     * - Cursor position report: <Esc>[{row};{col}R
4298 	     *   The final byte must be 'R'. It is used for checking the
4299 	     *   ambiguous-width character state.
4300 	     *
4301 	     * - window position reply: <Esc>[3;{x};{y}t
4302 	     */
4303 	    char_u *argp = tp[0] == ESC ? tp + 2 : tp + 1;
4304 
4305 	    if ((*T_CRV != NUL || *T_U7 != NUL || waiting_for_winpos)
4306 			&& ((tp[0] == ESC && len >= 3 && tp[1] == '[')
4307 			    || (tp[0] == CSI && len >= 2))
4308 			&& (VIM_ISDIGIT(*argp) || *argp == '>' || *argp == '?'))
4309 	    {
4310 		int col = 0;
4311 		int semicols = 0;
4312 #ifdef FEAT_MBYTE
4313 		int row_char = NUL;
4314 #endif
4315 
4316 		extra = 0;
4317 		for (i = 2 + (tp[0] != CSI); i < len
4318 				&& !(tp[i] >= '{' && tp[i] <= '~')
4319 				&& !ASCII_ISALPHA(tp[i]); ++i)
4320 		    if (tp[i] == ';' && ++semicols == 1)
4321 		    {
4322 			extra = i + 1;
4323 #ifdef FEAT_MBYTE
4324 			row_char = tp[i - 1];
4325 #endif
4326 		    }
4327 		if (i == len)
4328 		{
4329 		    LOG_TR("Not enough characters for CRV");
4330 		    return -1;
4331 		}
4332 		if (extra > 0)
4333 		    col = atoi((char *)tp + extra);
4334 
4335 #ifdef FEAT_MBYTE
4336 		/* Eat it when it has 2 arguments and ends in 'R'. Also when
4337 		 * u7_status is not "sent", it may be from a previous Vim that
4338 		 * just exited.  But not for <S-F3>, it sends something
4339 		 * similar, check for row and column to make sense. */
4340 		if (semicols == 1 && tp[i] == 'R')
4341 		{
4342 		    if (row_char == '2' && col >= 2)
4343 		    {
4344 			char *aw = NULL;
4345 
4346 			LOG_TR("Received U7 status");
4347 			u7_status = U7_GOT;
4348 # ifdef FEAT_AUTOCMD
4349 			did_cursorhold = TRUE;
4350 # endif
4351 			if (col == 2)
4352 			    aw = "single";
4353 			else if (col == 3)
4354 			    aw = "double";
4355 			if (aw != NULL && STRCMP(aw, p_ambw) != 0)
4356 			{
4357 			    /* Setting the option causes a screen redraw. Do
4358 			     * that right away if possible, keeping any
4359 			     * messages. */
4360 			    set_option_value((char_u *)"ambw", 0L,
4361 					     (char_u *)aw, 0);
4362 # ifdef DEBUG_TERMRESPONSE
4363 			    {
4364 				char buf[100];
4365 				int  r = redraw_asap(CLEAR);
4366 
4367 				sprintf(buf,
4368 					"set 'ambiwidth', redraw_asap(): %d",
4369 					r);
4370 				log_tr(buf);
4371 			    }
4372 # else
4373 			    redraw_asap(CLEAR);
4374 # endif
4375 			}
4376 		    }
4377 		    key_name[0] = (int)KS_EXTRA;
4378 		    key_name[1] = (int)KE_IGNORE;
4379 		    slen = i + 1;
4380 		}
4381 		else
4382 #endif
4383 		/* eat it when at least one digit and ending in 'c' */
4384 		if (*T_CRV != NUL && i > 2 + (tp[0] != CSI) && tp[i] == 'c')
4385 		{
4386 		    LOG_TR("Received CRV");
4387 		    crv_status = CRV_GOT;
4388 # ifdef FEAT_AUTOCMD
4389 		    did_cursorhold = TRUE;
4390 # endif
4391 
4392 		    /* If this code starts with CSI, you can bet that the
4393 		     * terminal uses 8-bit codes. */
4394 		    if (tp[0] == CSI)
4395 			switch_to_8bit();
4396 
4397 		    /* rxvt sends its version number: "20703" is 2.7.3.
4398 		     * Ignore it for when the user has set 'term' to xterm,
4399 		     * even though it's an rxvt. */
4400 		    if (col > 20000)
4401 			col = 0;
4402 
4403 		    if (tp[1 + (tp[0] != CSI)] == '>' && semicols == 2)
4404 		    {
4405 			/* Only set 'ttymouse' automatically if it was not set
4406 			 * by the user already. */
4407 			if (!option_was_set((char_u *)"ttym"))
4408 			{
4409 # ifdef TTYM_SGR
4410 			    if (col >= 277)
4411 				set_option_value((char_u *)"ttym", 0L,
4412 							  (char_u *)"sgr", 0);
4413 			    else
4414 # endif
4415 			    /* if xterm version >= 95 use mouse dragging */
4416 			    if (col >= 95)
4417 				set_option_value((char_u *)"ttym", 0L,
4418 						       (char_u *)"xterm2", 0);
4419 			}
4420 
4421 			/* if xterm version >= 141 try to get termcap codes */
4422 			if (col >= 141)
4423 			{
4424 			    LOG_TR("Enable checking for XT codes");
4425 			    check_for_codes = TRUE;
4426 			    need_gather = TRUE;
4427 			    req_codes_from_term();
4428 			}
4429 
4430 			/* libvterm sends 0;100;0 */
4431 			if (col == 100
4432 				&& STRNCMP(tp + extra - 2, ">0;100;0c", 9) == 0)
4433 			{
4434 			    /* If run from Vim $COLORS is set to the number of
4435 			     * colors the terminal supports.  Otherwise assume
4436 			     * 256, libvterm supports even more. */
4437 			    if (mch_getenv((char_u *)"COLORS") == NULL)
4438 				may_adjust_color_count(256);
4439 			}
4440 		    }
4441 # ifdef FEAT_EVAL
4442 		    set_vim_var_string(VV_TERMRESPONSE, tp, i + 1);
4443 # endif
4444 # ifdef FEAT_AUTOCMD
4445 		    apply_autocmds(EVENT_TERMRESPONSE,
4446 						   NULL, NULL, FALSE, curbuf);
4447 # endif
4448 		    key_name[0] = (int)KS_EXTRA;
4449 		    key_name[1] = (int)KE_IGNORE;
4450 		    slen = i + 1;
4451 		}
4452 
4453 		/*
4454 		 * Check for a window position response from the terminal:
4455 		 *       {lead}3;{x}:{y}t
4456 		 */
4457 		else if (waiting_for_winpos
4458 			    && ((len >= 4 && tp[0] == ESC && tp[1] == '[')
4459 				|| (len >= 3 && tp[0] == CSI))
4460 			    && tp[(j = 1 + (tp[0] == ESC))] == '3'
4461 			    && tp[j + 1] == ';')
4462 		{
4463 		    j += 2;
4464 		    for (i = j; i < len && vim_isdigit(tp[i]); ++i)
4465 			;
4466 		    if (i < len && tp[i] == ';')
4467 		    {
4468 			winpos_x = atoi((char *)tp + j);
4469 			j = i + 1;
4470 			for (i = j; i < len && vim_isdigit(tp[i]); ++i)
4471 			    ;
4472 			if (i < len && tp[i] == 't')
4473 			{
4474 			    winpos_y = atoi((char *)tp + j);
4475 			    /* got finished code: consume it */
4476 			    key_name[0] = (int)KS_EXTRA;
4477 			    key_name[1] = (int)KE_IGNORE;
4478 			    slen = i + 1;
4479 			}
4480 		    }
4481 		    if (i == len)
4482 		    {
4483 			LOG_TR("not enough characters for winpos");
4484 			return -1;
4485 		    }
4486 		}
4487 	    }
4488 
4489 	    /* Check for background color response from the terminal:
4490 	     *
4491 	     *       {lead}11;rgb:{rrrr}/{gggg}/{bbbb}{tail}
4492 	     *
4493 	     * {lead} can be <Esc>] or OSC
4494 	     * {tail} can be '\007', <Esc>\ or STERM.
4495 	     *
4496 	     * Consume any code that starts with "{lead}11;", it's also
4497 	     * possible that "rgba" is following.
4498 	     */
4499 	    else if (*T_RBG != NUL
4500 			&& ((tp[0] == ESC && len >= 2 && tp[1] == ']')
4501 			    || tp[0] == OSC))
4502 	    {
4503 		j = 1 + (tp[0] == ESC);
4504 		if (len >= j + 3 && (argp[0] != '1'
4505 					 || argp[1] != '1' || argp[2] != ';'))
4506 		  i = 0; /* no match */
4507 		else
4508 		  for (i = j; i < len; ++i)
4509 		    if (tp[i] == '\007' || (tp[0] == OSC ? tp[i] == STERM
4510 			: (tp[i] == ESC && i + 1 < len && tp[i + 1] == '\\')))
4511 		    {
4512 			if (i - j >= 21 && STRNCMP(tp + j + 3, "rgb:", 4) == 0
4513 			    && tp[j + 11] == '/' && tp[j + 16] == '/'
4514 			    && !option_was_set((char_u *)"bg"))
4515 			{
4516 			    char *newval = (3 * '6' < tp[j+7] + tp[j+12]
4517 						+ tp[j+17]) ? "light" : "dark";
4518 
4519 			    LOG_TR("Received RBG");
4520 			    rbg_status = RBG_GOT;
4521 			    if (STRCMP(p_bg, newval) != 0)
4522 			    {
4523 				/* value differs, apply it */
4524 				set_option_value((char_u *)"bg", 0L,
4525 							  (char_u *)newval, 0);
4526 				reset_option_was_set((char_u *)"bg");
4527 				redraw_asap(CLEAR);
4528 			    }
4529 			}
4530 
4531 			/* got finished code: consume it */
4532 			key_name[0] = (int)KS_EXTRA;
4533 			key_name[1] = (int)KE_IGNORE;
4534 			slen = i + 1 + (tp[i] == ESC);
4535 			break;
4536 		    }
4537 		if (i == len)
4538 		{
4539 		    LOG_TR("not enough characters for RB");
4540 		    return -1;
4541 		}
4542 	    }
4543 
4544 	    /* Check for key code response from xterm:
4545 	     *
4546 	     * {lead}{flag}+r<hex bytes><{tail}
4547 	     *
4548 	     * {lead} can be <Esc>P or DCS
4549 	     * {flag} can be '0' or '1'
4550 	     * {tail} can be Esc>\ or STERM
4551 	     *
4552 	     * Consume any code that starts with "{lead}.+r".
4553 	     */
4554 	    else if (check_for_codes
4555 		    && ((tp[0] == ESC && len >= 2 && tp[1] == 'P')
4556 			|| tp[0] == DCS))
4557 	    {
4558 		j = 1 + (tp[0] == ESC);
4559 		if (len >= j + 3 && (argp[1] != '+' || argp[2] != 'r'))
4560 		  i = 0; /* no match */
4561 		else
4562 		  for (i = j; i < len; ++i)
4563 		    if ((tp[i] == ESC && i + 1 < len && tp[i + 1] == '\\')
4564 			    || tp[i] == STERM)
4565 		    {
4566 			if (i - j >= 3)
4567 			    got_code_from_term(tp + j, i);
4568 			key_name[0] = (int)KS_EXTRA;
4569 			key_name[1] = (int)KE_IGNORE;
4570 			slen = i + 1 + (tp[i] == ESC);
4571 			break;
4572 		    }
4573 
4574 		if (i == len)
4575 		{
4576 		    /* These codes arrive many together, each code can be
4577 		     * truncated at any point. */
4578 		    LOG_TR("not enough characters for XT");
4579 		    return -1;
4580 		}
4581 	    }
4582 	}
4583 #endif
4584 
4585 	if (key_name[0] == NUL)
4586 	    continue;	    /* No match at this position, try next one */
4587 
4588 	/* We only get here when we have a complete termcode match */
4589 
4590 #ifdef FEAT_MOUSE
4591 # ifdef FEAT_GUI
4592 	/*
4593 	 * Only in the GUI: Fetch the pointer coordinates of the scroll event
4594 	 * so that we know which window to scroll later.
4595 	 */
4596 	if (gui.in_use
4597 		&& key_name[0] == (int)KS_EXTRA
4598 		&& (key_name[1] == (int)KE_X1MOUSE
4599 		    || key_name[1] == (int)KE_X2MOUSE
4600 		    || key_name[1] == (int)KE_MOUSELEFT
4601 		    || key_name[1] == (int)KE_MOUSERIGHT
4602 		    || key_name[1] == (int)KE_MOUSEDOWN
4603 		    || key_name[1] == (int)KE_MOUSEUP))
4604 	{
4605 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 4);
4606 	    if (num_bytes == -1)	/* not enough coordinates */
4607 		return -1;
4608 	    mouse_col = 128 * (bytes[0] - ' ' - 1) + bytes[1] - ' ' - 1;
4609 	    mouse_row = 128 * (bytes[2] - ' ' - 1) + bytes[3] - ' ' - 1;
4610 	    slen += num_bytes;
4611 	}
4612 	else
4613 # endif
4614 	/*
4615 	 * If it is a mouse click, get the coordinates.
4616 	 */
4617 	if (key_name[0] == KS_MOUSE
4618 # ifdef FEAT_MOUSE_JSB
4619 		|| key_name[0] == KS_JSBTERM_MOUSE
4620 # endif
4621 # ifdef FEAT_MOUSE_NET
4622 		|| key_name[0] == KS_NETTERM_MOUSE
4623 # endif
4624 # ifdef FEAT_MOUSE_DEC
4625 		|| key_name[0] == KS_DEC_MOUSE
4626 # endif
4627 # ifdef FEAT_MOUSE_PTERM
4628 		|| key_name[0] == KS_PTERM_MOUSE
4629 # endif
4630 # ifdef FEAT_MOUSE_URXVT
4631 		|| key_name[0] == KS_URXVT_MOUSE
4632 # endif
4633 # ifdef FEAT_MOUSE_SGR
4634 		|| key_name[0] == KS_SGR_MOUSE
4635 		|| key_name[0] == KS_SGR_MOUSE_RELEASE
4636 # endif
4637 		)
4638 	{
4639 	    is_click = is_drag = FALSE;
4640 
4641 # if !defined(UNIX) || defined(FEAT_MOUSE_XTERM) || defined(FEAT_GUI) \
4642 	    || defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)
4643 	    if (key_name[0] == (int)KS_MOUSE)
4644 	    {
4645 		/*
4646 		 * For xterm we get "<t_mouse>scr", where
4647 		 *  s == encoded button state:
4648 		 *	   0x20 = left button down
4649 		 *	   0x21 = middle button down
4650 		 *	   0x22 = right button down
4651 		 *	   0x23 = any button release
4652 		 *	   0x60 = button 4 down (scroll wheel down)
4653 		 *	   0x61 = button 5 down (scroll wheel up)
4654 		 *	add 0x04 for SHIFT
4655 		 *	add 0x08 for ALT
4656 		 *	add 0x10 for CTRL
4657 		 *	add 0x20 for mouse drag (0x40 is drag with left button)
4658 		 *  c == column + ' ' + 1 == column + 33
4659 		 *  r == row + ' ' + 1 == row + 33
4660 		 *
4661 		 * The coordinates are passed on through global variables.
4662 		 * Ugly, but this avoids trouble with mouse clicks at an
4663 		 * unexpected moment and allows for mapping them.
4664 		 */
4665 		for (;;)
4666 		{
4667 #ifdef FEAT_GUI
4668 		    if (gui.in_use)
4669 		    {
4670 			/* GUI uses more bits for columns > 223 */
4671 			num_bytes = get_bytes_from_buf(tp + slen, bytes, 5);
4672 			if (num_bytes == -1)	/* not enough coordinates */
4673 			    return -1;
4674 			mouse_code = bytes[0];
4675 			mouse_col = 128 * (bytes[1] - ' ' - 1)
4676 							 + bytes[2] - ' ' - 1;
4677 			mouse_row = 128 * (bytes[3] - ' ' - 1)
4678 							 + bytes[4] - ' ' - 1;
4679 		    }
4680 		    else
4681 #endif
4682 		    {
4683 			num_bytes = get_bytes_from_buf(tp + slen, bytes, 3);
4684 			if (num_bytes == -1)	/* not enough coordinates */
4685 			    return -1;
4686 			mouse_code = bytes[0];
4687 			mouse_col = bytes[1] - ' ' - 1;
4688 			mouse_row = bytes[2] - ' ' - 1;
4689 		    }
4690 		    slen += num_bytes;
4691 
4692 		    /* If the following bytes is also a mouse code and it has
4693 		     * the same code, dump this one and get the next.  This
4694 		     * makes dragging a whole lot faster. */
4695 #ifdef FEAT_GUI
4696 		    if (gui.in_use)
4697 			j = 3;
4698 		    else
4699 #endif
4700 			j = termcodes[idx].len;
4701 		    if (STRNCMP(tp, tp + slen, (size_t)j) == 0
4702 			    && tp[slen + j] == mouse_code
4703 			    && tp[slen + j + 1] != NUL
4704 			    && tp[slen + j + 2] != NUL
4705 #ifdef FEAT_GUI
4706 			    && (!gui.in_use
4707 				|| (tp[slen + j + 3] != NUL
4708 					&& tp[slen + j + 4] != NUL))
4709 #endif
4710 			    )
4711 			slen += j;
4712 		    else
4713 			break;
4714 		}
4715 	    }
4716 
4717 # if defined(FEAT_MOUSE_URXVT) || defined(FEAT_MOUSE_SGR)
4718 	    if (key_name[0] == KS_URXVT_MOUSE
4719 		|| key_name[0] == KS_SGR_MOUSE
4720 		|| key_name[0] == KS_SGR_MOUSE_RELEASE)
4721 	    {
4722 		/* URXVT 1015 mouse reporting mode:
4723 		 * Almost identical to xterm mouse mode, except the values
4724 		 * are decimal instead of bytes.
4725 		 *
4726 		 * \033[%d;%d;%dM
4727 		 *		  ^-- row
4728 		 *	       ^----- column
4729 		 *	    ^-------- code
4730 		 *
4731 		 * SGR 1006 mouse reporting mode:
4732 		 * Almost identical to xterm mouse mode, except the values
4733 		 * are decimal instead of bytes.
4734 		 *
4735 		 * \033[<%d;%d;%dM
4736 		 *		   ^-- row
4737 		 *	        ^----- column
4738 		 *	     ^-------- code
4739 		 *
4740 		 * \033[<%d;%d;%dm        : mouse release event
4741 		 *		   ^-- row
4742 		 *	        ^----- column
4743 		 *	     ^-------- code
4744 		 */
4745 		p = modifiers_start;
4746 		if (p == NULL)
4747 		    return -1;
4748 
4749 		mouse_code = getdigits(&p);
4750 		if (*p++ != ';')
4751 		    return -1;
4752 
4753 		/* when mouse reporting is SGR, add 32 to mouse code */
4754 		if (key_name[0] == KS_SGR_MOUSE
4755 				    || key_name[0] == KS_SGR_MOUSE_RELEASE)
4756 		    mouse_code += 32;
4757 
4758 		if (key_name[0] == KS_SGR_MOUSE_RELEASE)
4759 		    mouse_code |= MOUSE_RELEASE;
4760 
4761 		mouse_col = getdigits(&p) - 1;
4762 		if (*p++ != ';')
4763 		    return -1;
4764 
4765 		mouse_row = getdigits(&p) - 1;
4766 
4767 		/* The modifiers were the mouse coordinates, not the
4768 		 * modifier keys (alt/shift/ctrl/meta) state. */
4769 		modifiers = 0;
4770 	    }
4771 # endif
4772 
4773 	if (key_name[0] == (int)KS_MOUSE
4774 #ifdef FEAT_MOUSE_URXVT
4775 	    || key_name[0] == (int)KS_URXVT_MOUSE
4776 #endif
4777 #ifdef FEAT_MOUSE_SGR
4778 	    || key_name[0] == KS_SGR_MOUSE
4779 	    || key_name[0] == KS_SGR_MOUSE_RELEASE
4780 #endif
4781 	    )
4782 	{
4783 #  if !defined(MSWIN)
4784 		/*
4785 		 * Handle mouse events.
4786 		 * Recognize the xterm mouse wheel, but not in the GUI, the
4787 		 * Linux console with GPM and the MS-DOS or Win32 console
4788 		 * (multi-clicks use >= 0x60).
4789 		 */
4790 		if (mouse_code >= MOUSEWHEEL_LOW
4791 #   ifdef FEAT_GUI
4792 			&& !gui.in_use
4793 #   endif
4794 #   ifdef FEAT_MOUSE_GPM
4795 			&& gpm_flag == 0
4796 #   endif
4797 			)
4798 		{
4799 		    /* Keep the mouse_code before it's changed, so that we
4800 		     * remember that it was a mouse wheel click. */
4801 		    wheel_code = mouse_code;
4802 		}
4803 #   ifdef FEAT_MOUSE_XTERM
4804 		else if (held_button == MOUSE_RELEASE
4805 #    ifdef FEAT_GUI
4806 			&& !gui.in_use
4807 #    endif
4808 			&& (mouse_code == 0x23 || mouse_code == 0x24))
4809 		{
4810 		    /* Apparently used by rxvt scroll wheel. */
4811 		    wheel_code = mouse_code - 0x23 + MOUSEWHEEL_LOW;
4812 		}
4813 #   endif
4814 
4815 #   if defined(UNIX) && defined(FEAT_MOUSE_TTY)
4816 		else if (use_xterm_mouse() > 1)
4817 		{
4818 		    if (mouse_code & MOUSE_DRAG_XTERM)
4819 			mouse_code |= MOUSE_DRAG;
4820 		}
4821 #   endif
4822 #   ifdef FEAT_XCLIPBOARD
4823 		else if (!(mouse_code & MOUSE_DRAG & ~MOUSE_CLICK_MASK))
4824 		{
4825 		    if ((mouse_code & MOUSE_RELEASE) == MOUSE_RELEASE)
4826 			stop_xterm_trace();
4827 		    else
4828 			start_xterm_trace(mouse_code);
4829 		}
4830 #   endif
4831 #  endif
4832 	    }
4833 # endif /* !UNIX || FEAT_MOUSE_XTERM */
4834 # ifdef FEAT_MOUSE_NET
4835 	    if (key_name[0] == (int)KS_NETTERM_MOUSE)
4836 	    {
4837 		int mc, mr;
4838 
4839 		/* expect a rather limited sequence like: balancing {
4840 		 * \033}6,45\r
4841 		 * '6' is the row, 45 is the column
4842 		 */
4843 		p = tp + slen;
4844 		mr = getdigits(&p);
4845 		if (*p++ != ',')
4846 		    return -1;
4847 		mc = getdigits(&p);
4848 		if (*p++ != '\r')
4849 		    return -1;
4850 
4851 		mouse_col = mc - 1;
4852 		mouse_row = mr - 1;
4853 		mouse_code = MOUSE_LEFT;
4854 		slen += (int)(p - (tp + slen));
4855 	    }
4856 # endif	/* FEAT_MOUSE_NET */
4857 # ifdef FEAT_MOUSE_JSB
4858 	    if (key_name[0] == (int)KS_JSBTERM_MOUSE)
4859 	    {
4860 		int mult, val, iter, button, status;
4861 
4862 		/* JSBTERM Input Model
4863 		 * \033[0~zw uniq escape sequence
4864 		 * (L-x)  Left button pressed - not pressed x not reporting
4865 		 * (M-x)  Middle button pressed - not pressed x not reporting
4866 		 * (R-x)  Right button pressed - not pressed x not reporting
4867 		 * (SDmdu)  Single , Double click, m mouse move d button down
4868 		 *						   u button up
4869 		 *  ###   X cursor position padded to 3 digits
4870 		 *  ###   Y cursor position padded to 3 digits
4871 		 * (s-x)  SHIFT key pressed - not pressed x not reporting
4872 		 * (c-x)  CTRL key pressed - not pressed x not reporting
4873 		 * \033\\ terminating sequence
4874 		 */
4875 
4876 		p = tp + slen;
4877 		button = mouse_code = 0;
4878 		switch (*p++)
4879 		{
4880 		    case 'L': button = 1; break;
4881 		    case '-': break;
4882 		    case 'x': break; /* ignore sequence */
4883 		    default:  return -1; /* Unknown Result */
4884 		}
4885 		switch (*p++)
4886 		{
4887 		    case 'M': button |= 2; break;
4888 		    case '-': break;
4889 		    case 'x': break; /* ignore sequence */
4890 		    default:  return -1; /* Unknown Result */
4891 		}
4892 		switch (*p++)
4893 		{
4894 		    case 'R': button |= 4; break;
4895 		    case '-': break;
4896 		    case 'x': break; /* ignore sequence */
4897 		    default:  return -1; /* Unknown Result */
4898 		}
4899 		status = *p++;
4900 		for (val = 0, mult = 100, iter = 0; iter < 3; iter++,
4901 							      mult /= 10, p++)
4902 		    if (*p >= '0' && *p <= '9')
4903 			val += (*p - '0') * mult;
4904 		    else
4905 			return -1;
4906 		mouse_col = val;
4907 		for (val = 0, mult = 100, iter = 0; iter < 3; iter++,
4908 							      mult /= 10, p++)
4909 		    if (*p >= '0' && *p <= '9')
4910 			val += (*p - '0') * mult;
4911 		    else
4912 			return -1;
4913 		mouse_row = val;
4914 		switch (*p++)
4915 		{
4916 		    case 's': button |= 8; break;  /* SHIFT key Pressed */
4917 		    case '-': break;  /* Not Pressed */
4918 		    case 'x': break;  /* Not Reporting */
4919 		    default:  return -1; /* Unknown Result */
4920 		}
4921 		switch (*p++)
4922 		{
4923 		    case 'c': button |= 16; break;  /* CTRL key Pressed */
4924 		    case '-': break;  /* Not Pressed */
4925 		    case 'x': break;  /* Not Reporting */
4926 		    default:  return -1; /* Unknown Result */
4927 		}
4928 		if (*p++ != '\033')
4929 		    return -1;
4930 		if (*p++ != '\\')
4931 		    return -1;
4932 		switch (status)
4933 		{
4934 		    case 'D': /* Double Click */
4935 		    case 'S': /* Single Click */
4936 			if (button & 1) mouse_code |= MOUSE_LEFT;
4937 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
4938 			if (button & 4) mouse_code |= MOUSE_RIGHT;
4939 			if (button & 8) mouse_code |= MOUSE_SHIFT;
4940 			if (button & 16) mouse_code |= MOUSE_CTRL;
4941 			break;
4942 		    case 'm': /* Mouse move */
4943 			if (button & 1) mouse_code |= MOUSE_LEFT;
4944 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
4945 			if (button & 4) mouse_code |= MOUSE_RIGHT;
4946 			if (button & 8) mouse_code |= MOUSE_SHIFT;
4947 			if (button & 16) mouse_code |= MOUSE_CTRL;
4948 			if ((button & 7) != 0)
4949 			{
4950 			    held_button = mouse_code;
4951 			    mouse_code |= MOUSE_DRAG;
4952 			}
4953 			is_drag = TRUE;
4954 			showmode();
4955 			break;
4956 		    case 'd': /* Button Down */
4957 			if (button & 1) mouse_code |= MOUSE_LEFT;
4958 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
4959 			if (button & 4) mouse_code |= MOUSE_RIGHT;
4960 			if (button & 8) mouse_code |= MOUSE_SHIFT;
4961 			if (button & 16) mouse_code |= MOUSE_CTRL;
4962 			break;
4963 		    case 'u': /* Button Up */
4964 			if (button & 1)
4965 			    mouse_code |= MOUSE_LEFT | MOUSE_RELEASE;
4966 			if (button & 2)
4967 			    mouse_code |= MOUSE_MIDDLE | MOUSE_RELEASE;
4968 			if (button & 4)
4969 			    mouse_code |= MOUSE_RIGHT | MOUSE_RELEASE;
4970 			if (button & 8)
4971 			    mouse_code |= MOUSE_SHIFT;
4972 			if (button & 16)
4973 			    mouse_code |= MOUSE_CTRL;
4974 			break;
4975 		    default: return -1; /* Unknown Result */
4976 		}
4977 
4978 		slen += (p - (tp + slen));
4979 	    }
4980 # endif /* FEAT_MOUSE_JSB */
4981 # ifdef FEAT_MOUSE_DEC
4982 	    if (key_name[0] == (int)KS_DEC_MOUSE)
4983 	    {
4984 	       /* The DEC Locator Input Model
4985 		* Netterm delivers the code sequence:
4986 		*  \033[2;4;24;80&w  (left button down)
4987 		*  \033[3;0;24;80&w  (left button up)
4988 		*  \033[6;1;24;80&w  (right button down)
4989 		*  \033[7;0;24;80&w  (right button up)
4990 		* CSI Pe ; Pb ; Pr ; Pc ; Pp & w
4991 		* Pe is the event code
4992 		* Pb is the button code
4993 		* Pr is the row coordinate
4994 		* Pc is the column coordinate
4995 		* Pp is the third coordinate (page number)
4996 		* Pe, the event code indicates what event caused this report
4997 		*    The following event codes are defined:
4998 		*    0 - request, the terminal received an explicit request
4999 		*	 for a locator report, but the locator is unavailable
5000 		*    1 - request, the terminal received an explicit request
5001 		*	 for a locator report
5002 		*    2 - left button down
5003 		*    3 - left button up
5004 		*    4 - middle button down
5005 		*    5 - middle button up
5006 		*    6 - right button down
5007 		*    7 - right button up
5008 		*    8 - fourth button down
5009 		*    9 - fourth button up
5010 		*    10 - locator outside filter rectangle
5011 		* Pb, the button code, ASCII decimal 0-15 indicating which
5012 		*   buttons are down if any. The state of the four buttons
5013 		*   on the locator correspond to the low four bits of the
5014 		*   decimal value,
5015 		*   "1" means button depressed
5016 		*   0 - no buttons down,
5017 		*   1 - right,
5018 		*   2 - middle,
5019 		*   4 - left,
5020 		*   8 - fourth
5021 		* Pr is the row coordinate of the locator position in the page,
5022 		*   encoded as an ASCII decimal value.
5023 		*   If Pr is omitted, the locator position is undefined
5024 		*   (outside the terminal window for example).
5025 		* Pc is the column coordinate of the locator position in the
5026 		*   page, encoded as an ASCII decimal value.
5027 		*   If Pc is omitted, the locator position is undefined
5028 		*   (outside the terminal window for example).
5029 		* Pp is the page coordinate of the locator position
5030 		*   encoded as an ASCII decimal value.
5031 		*   The page coordinate may be omitted if the locator is on
5032 		*   page one (the default).  We ignore it anyway.
5033 		*/
5034 		int Pe, Pb, Pr, Pc;
5035 
5036 		p = tp + slen;
5037 
5038 		/* get event status */
5039 		Pe = getdigits(&p);
5040 		if (*p++ != ';')
5041 		    return -1;
5042 
5043 		/* get button status */
5044 		Pb = getdigits(&p);
5045 		if (*p++ != ';')
5046 		    return -1;
5047 
5048 		/* get row status */
5049 		Pr = getdigits(&p);
5050 		if (*p++ != ';')
5051 		    return -1;
5052 
5053 		/* get column status */
5054 		Pc = getdigits(&p);
5055 
5056 		/* the page parameter is optional */
5057 		if (*p == ';')
5058 		{
5059 		    p++;
5060 		    (void)getdigits(&p);
5061 		}
5062 		if (*p++ != '&')
5063 		    return -1;
5064 		if (*p++ != 'w')
5065 		    return -1;
5066 
5067 		mouse_code = 0;
5068 		switch (Pe)
5069 		{
5070 		case  0: return -1; /* position request while unavailable */
5071 		case  1: /* a response to a locator position request includes
5072 			    the status of all buttons */
5073 			 Pb &= 7;   /* mask off and ignore fourth button */
5074 			 if (Pb & 4)
5075 			     mouse_code  = MOUSE_LEFT;
5076 			 if (Pb & 2)
5077 			     mouse_code  = MOUSE_MIDDLE;
5078 			 if (Pb & 1)
5079 			     mouse_code  = MOUSE_RIGHT;
5080 			 if (Pb)
5081 			 {
5082 			     held_button = mouse_code;
5083 			     mouse_code |= MOUSE_DRAG;
5084 			     WantQueryMouse = TRUE;
5085 			 }
5086 			 is_drag = TRUE;
5087 			 showmode();
5088 			 break;
5089 		case  2: mouse_code = MOUSE_LEFT;
5090 			 WantQueryMouse = TRUE;
5091 			 break;
5092 		case  3: mouse_code = MOUSE_RELEASE | MOUSE_LEFT;
5093 			 break;
5094 		case  4: mouse_code = MOUSE_MIDDLE;
5095 			 WantQueryMouse = TRUE;
5096 			 break;
5097 		case  5: mouse_code = MOUSE_RELEASE | MOUSE_MIDDLE;
5098 			 break;
5099 		case  6: mouse_code = MOUSE_RIGHT;
5100 			 WantQueryMouse = TRUE;
5101 			 break;
5102 		case  7: mouse_code = MOUSE_RELEASE | MOUSE_RIGHT;
5103 			 break;
5104 		case  8: return -1; /* fourth button down */
5105 		case  9: return -1; /* fourth button up */
5106 		case 10: return -1; /* mouse outside of filter rectangle */
5107 		default: return -1; /* should never occur */
5108 		}
5109 
5110 		mouse_col = Pc - 1;
5111 		mouse_row = Pr - 1;
5112 
5113 		slen += (int)(p - (tp + slen));
5114 	    }
5115 # endif /* FEAT_MOUSE_DEC */
5116 # ifdef FEAT_MOUSE_PTERM
5117 	    if (key_name[0] == (int)KS_PTERM_MOUSE)
5118 	    {
5119 		int button, num_clicks, action;
5120 
5121 		p = tp + slen;
5122 
5123 		action = getdigits(&p);
5124 		if (*p++ != ';')
5125 		    return -1;
5126 
5127 		mouse_row = getdigits(&p);
5128 		if (*p++ != ';')
5129 		    return -1;
5130 		mouse_col = getdigits(&p);
5131 		if (*p++ != ';')
5132 		    return -1;
5133 
5134 		button = getdigits(&p);
5135 		mouse_code = 0;
5136 
5137 		switch (button)
5138 		{
5139 		    case 4: mouse_code = MOUSE_LEFT; break;
5140 		    case 1: mouse_code = MOUSE_RIGHT; break;
5141 		    case 2: mouse_code = MOUSE_MIDDLE; break;
5142 		    default: return -1;
5143 		}
5144 
5145 		switch (action)
5146 		{
5147 		    case 31: /* Initial press */
5148 			if (*p++ != ';')
5149 			    return -1;
5150 
5151 			num_clicks = getdigits(&p); /* Not used */
5152 			break;
5153 
5154 		    case 32: /* Release */
5155 			mouse_code |= MOUSE_RELEASE;
5156 			break;
5157 
5158 		    case 33: /* Drag */
5159 			held_button = mouse_code;
5160 			mouse_code |= MOUSE_DRAG;
5161 			break;
5162 
5163 		    default:
5164 			return -1;
5165 		}
5166 
5167 		if (*p++ != 't')
5168 		    return -1;
5169 
5170 		slen += (p - (tp + slen));
5171 	    }
5172 # endif /* FEAT_MOUSE_PTERM */
5173 
5174 	    /* Interpret the mouse code */
5175 	    current_button = (mouse_code & MOUSE_CLICK_MASK);
5176 	    if (current_button == MOUSE_RELEASE
5177 # ifdef FEAT_MOUSE_XTERM
5178 		    && wheel_code == 0
5179 # endif
5180 		    )
5181 	    {
5182 		/*
5183 		 * If we get a mouse drag or release event when
5184 		 * there is no mouse button held down (held_button ==
5185 		 * MOUSE_RELEASE), produce a K_IGNORE below.
5186 		 * (can happen when you hold down two buttons
5187 		 * and then let them go, or click in the menu bar, but not
5188 		 * on a menu, and drag into the text).
5189 		 */
5190 		if ((mouse_code & MOUSE_DRAG) == MOUSE_DRAG)
5191 		    is_drag = TRUE;
5192 		current_button = held_button;
5193 	    }
5194 	    else if (wheel_code == 0)
5195 	    {
5196 # ifdef CHECK_DOUBLE_CLICK
5197 #  ifdef FEAT_MOUSE_GPM
5198 #   ifdef FEAT_GUI
5199 		/*
5200 		 * Only for Unix, when GUI or gpm is not active, we handle
5201 		 * multi-clicks here.
5202 		 */
5203 		if (gpm_flag == 0 && !gui.in_use)
5204 #   else
5205 		if (gpm_flag == 0)
5206 #   endif
5207 #  else
5208 #   ifdef FEAT_GUI
5209 		if (!gui.in_use)
5210 #   endif
5211 #  endif
5212 		{
5213 		    /*
5214 		     * Compute the time elapsed since the previous mouse click.
5215 		     */
5216 		    gettimeofday(&mouse_time, NULL);
5217 		    if (orig_mouse_time.tv_sec == 0)
5218 		    {
5219 			/*
5220 			 * Avoid computing the difference between mouse_time
5221 			 * and orig_mouse_time for the first click, as the
5222 			 * difference would be huge and would cause multiplication
5223 			 * overflow.
5224 			 */
5225 			timediff = p_mouset;
5226 		    }
5227 		    else
5228 		    {
5229 			timediff = (mouse_time.tv_usec
5230 						- orig_mouse_time.tv_usec) / 1000;
5231 			if (timediff < 0)
5232 			    --orig_mouse_time.tv_sec;
5233 			timediff += (mouse_time.tv_sec
5234 						 - orig_mouse_time.tv_sec) * 1000;
5235 		    }
5236 		    orig_mouse_time = mouse_time;
5237 		    if (mouse_code == orig_mouse_code
5238 			    && timediff < p_mouset
5239 			    && orig_num_clicks != 4
5240 			    && orig_mouse_col == mouse_col
5241 			    && orig_mouse_row == mouse_row
5242 			    && ((orig_topline == curwin->w_topline
5243 #ifdef FEAT_DIFF
5244 				    && orig_topfill == curwin->w_topfill
5245 #endif
5246 				)
5247 #ifdef FEAT_WINDOWS
5248 				/* Double click in tab pages line also works
5249 				 * when window contents changes. */
5250 				|| (mouse_row == 0 && firstwin->w_winrow > 0)
5251 #endif
5252 			       )
5253 			    )
5254 			++orig_num_clicks;
5255 		    else
5256 			orig_num_clicks = 1;
5257 		    orig_mouse_col = mouse_col;
5258 		    orig_mouse_row = mouse_row;
5259 		    orig_topline = curwin->w_topline;
5260 #ifdef FEAT_DIFF
5261 		    orig_topfill = curwin->w_topfill;
5262 #endif
5263 		}
5264 #  if defined(FEAT_GUI) || defined(FEAT_MOUSE_GPM)
5265 		else
5266 		    orig_num_clicks = NUM_MOUSE_CLICKS(mouse_code);
5267 #  endif
5268 # else
5269 		orig_num_clicks = NUM_MOUSE_CLICKS(mouse_code);
5270 # endif
5271 		is_click = TRUE;
5272 		orig_mouse_code = mouse_code;
5273 	    }
5274 	    if (!is_drag)
5275 		held_button = mouse_code & MOUSE_CLICK_MASK;
5276 
5277 	    /*
5278 	     * Translate the actual mouse event into a pseudo mouse event.
5279 	     * First work out what modifiers are to be used.
5280 	     */
5281 	    if (orig_mouse_code & MOUSE_SHIFT)
5282 		modifiers |= MOD_MASK_SHIFT;
5283 	    if (orig_mouse_code & MOUSE_CTRL)
5284 		modifiers |= MOD_MASK_CTRL;
5285 	    if (orig_mouse_code & MOUSE_ALT)
5286 		modifiers |= MOD_MASK_ALT;
5287 	    if (orig_num_clicks == 2)
5288 		modifiers |= MOD_MASK_2CLICK;
5289 	    else if (orig_num_clicks == 3)
5290 		modifiers |= MOD_MASK_3CLICK;
5291 	    else if (orig_num_clicks == 4)
5292 		modifiers |= MOD_MASK_4CLICK;
5293 
5294 	    /* Work out our pseudo mouse event. Note that MOUSE_RELEASE gets
5295 	     * added, then it's not mouse up/down. */
5296 	    key_name[0] = (int)KS_EXTRA;
5297             if (wheel_code != 0
5298 			      && (wheel_code & MOUSE_RELEASE) != MOUSE_RELEASE)
5299 	    {
5300 		if (wheel_code & MOUSE_CTRL)
5301 		    modifiers |= MOD_MASK_CTRL;
5302 		if (wheel_code & MOUSE_ALT)
5303 		    modifiers |= MOD_MASK_ALT;
5304 		key_name[1] = (wheel_code & 1)
5305 					? (int)KE_MOUSEUP : (int)KE_MOUSEDOWN;
5306 	    }
5307 	    else
5308 		key_name[1] = get_pseudo_mouse_code(current_button,
5309 							   is_click, is_drag);
5310 
5311 	    /* Make sure the mouse position is valid.  Some terminals may
5312 	     * return weird values. */
5313 	    if (mouse_col >= Columns)
5314 		mouse_col = Columns - 1;
5315 	    if (mouse_row >= Rows)
5316 		mouse_row = Rows - 1;
5317 	}
5318 #endif /* FEAT_MOUSE */
5319 
5320 #ifdef FEAT_GUI
5321 	/*
5322 	 * If using the GUI, then we get menu and scrollbar events.
5323 	 *
5324 	 * A menu event is encoded as K_SPECIAL, KS_MENU, KE_FILLER followed by
5325 	 * four bytes which are to be taken as a pointer to the vimmenu_T
5326 	 * structure.
5327 	 *
5328 	 * A tab line event is encoded as K_SPECIAL KS_TABLINE nr, where "nr"
5329 	 * is one byte with the tab index.
5330 	 *
5331 	 * A scrollbar event is K_SPECIAL, KS_VER_SCROLLBAR, KE_FILLER followed
5332 	 * by one byte representing the scrollbar number, and then four bytes
5333 	 * representing a long_u which is the new value of the scrollbar.
5334 	 *
5335 	 * A horizontal scrollbar event is K_SPECIAL, KS_HOR_SCROLLBAR,
5336 	 * KE_FILLER followed by four bytes representing a long_u which is the
5337 	 * new value of the scrollbar.
5338 	 */
5339 # ifdef FEAT_MENU
5340 	else if (key_name[0] == (int)KS_MENU)
5341 	{
5342 	    long_u	val;
5343 
5344 	    num_bytes = get_long_from_buf(tp + slen, &val);
5345 	    if (num_bytes == -1)
5346 		return -1;
5347 	    current_menu = (vimmenu_T *)val;
5348 	    slen += num_bytes;
5349 
5350 	    /* The menu may have been deleted right after it was used, check
5351 	     * for that. */
5352 	    if (check_menu_pointer(root_menu, current_menu) == FAIL)
5353 	    {
5354 		key_name[0] = KS_EXTRA;
5355 		key_name[1] = (int)KE_IGNORE;
5356 	    }
5357 	}
5358 # endif
5359 # ifdef FEAT_GUI_TABLINE
5360 	else if (key_name[0] == (int)KS_TABLINE)
5361 	{
5362 	    /* Selecting tabline tab or using its menu. */
5363 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 1);
5364 	    if (num_bytes == -1)
5365 		return -1;
5366 	    current_tab = (int)bytes[0];
5367 	    if (current_tab == 255)	/* -1 in a byte gives 255 */
5368 		current_tab = -1;
5369 	    slen += num_bytes;
5370 	}
5371 	else if (key_name[0] == (int)KS_TABMENU)
5372 	{
5373 	    /* Selecting tabline tab or using its menu. */
5374 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 2);
5375 	    if (num_bytes == -1)
5376 		return -1;
5377 	    current_tab = (int)bytes[0];
5378 	    current_tabmenu = (int)bytes[1];
5379 	    slen += num_bytes;
5380 	}
5381 # endif
5382 # ifndef USE_ON_FLY_SCROLL
5383 	else if (key_name[0] == (int)KS_VER_SCROLLBAR)
5384 	{
5385 	    long_u	val;
5386 
5387 	    /* Get the last scrollbar event in the queue of the same type */
5388 	    j = 0;
5389 	    for (i = 0; tp[j] == CSI && tp[j + 1] == KS_VER_SCROLLBAR
5390 						     && tp[j + 2] != NUL; ++i)
5391 	    {
5392 		j += 3;
5393 		num_bytes = get_bytes_from_buf(tp + j, bytes, 1);
5394 		if (num_bytes == -1)
5395 		    break;
5396 		if (i == 0)
5397 		    current_scrollbar = (int)bytes[0];
5398 		else if (current_scrollbar != (int)bytes[0])
5399 		    break;
5400 		j += num_bytes;
5401 		num_bytes = get_long_from_buf(tp + j, &val);
5402 		if (num_bytes == -1)
5403 		    break;
5404 		scrollbar_value = val;
5405 		j += num_bytes;
5406 		slen = j;
5407 	    }
5408 	    if (i == 0)		/* not enough characters to make one */
5409 		return -1;
5410 	}
5411 	else if (key_name[0] == (int)KS_HOR_SCROLLBAR)
5412 	{
5413 	    long_u	val;
5414 
5415 	    /* Get the last horiz. scrollbar event in the queue */
5416 	    j = 0;
5417 	    for (i = 0; tp[j] == CSI && tp[j + 1] == KS_HOR_SCROLLBAR
5418 						     && tp[j + 2] != NUL; ++i)
5419 	    {
5420 		j += 3;
5421 		num_bytes = get_long_from_buf(tp + j, &val);
5422 		if (num_bytes == -1)
5423 		    break;
5424 		scrollbar_value = val;
5425 		j += num_bytes;
5426 		slen = j;
5427 	    }
5428 	    if (i == 0)		/* not enough characters to make one */
5429 		return -1;
5430 	}
5431 # endif /* !USE_ON_FLY_SCROLL */
5432 #endif /* FEAT_GUI */
5433 
5434 	/*
5435 	 * Change <xHome> to <Home>, <xUp> to <Up>, etc.
5436 	 */
5437 	key = handle_x_keys(TERMCAP2KEY(key_name[0], key_name[1]));
5438 
5439 	/*
5440 	 * Add any modifier codes to our string.
5441 	 */
5442 	new_slen = 0;		/* Length of what will replace the termcode */
5443 	if (modifiers != 0)
5444 	{
5445 	    /* Some keys have the modifier included.  Need to handle that here
5446 	     * to make mappings work. */
5447 	    key = simplify_key(key, &modifiers);
5448 	    if (modifiers != 0)
5449 	    {
5450 		string[new_slen++] = K_SPECIAL;
5451 		string[new_slen++] = (int)KS_MODIFIER;
5452 		string[new_slen++] = modifiers;
5453 	    }
5454 	}
5455 
5456 	/* Finally, add the special key code to our string */
5457 	key_name[0] = KEY2TERMCAP0(key);
5458 	key_name[1] = KEY2TERMCAP1(key);
5459 	if (key_name[0] == KS_KEY)
5460 	{
5461 	    /* from ":set <M-b>=xx" */
5462 #ifdef FEAT_MBYTE
5463 	    if (has_mbyte)
5464 		new_slen += (*mb_char2bytes)(key_name[1], string + new_slen);
5465 	    else
5466 #endif
5467 		string[new_slen++] = key_name[1];
5468 	}
5469 	else if (new_slen == 0 && key_name[0] == KS_EXTRA
5470 						  && key_name[1] == KE_IGNORE)
5471 	{
5472 	    /* Do not put K_IGNORE into the buffer, do return KEYLEN_REMOVED
5473 	     * to indicate what happened. */
5474 	    retval = KEYLEN_REMOVED;
5475 	}
5476 	else
5477 	{
5478 	    string[new_slen++] = K_SPECIAL;
5479 	    string[new_slen++] = key_name[0];
5480 	    string[new_slen++] = key_name[1];
5481 	}
5482 	string[new_slen] = NUL;
5483 	extra = new_slen - slen;
5484 	if (buf == NULL)
5485 	{
5486 	    if (extra < 0)
5487 		/* remove matched chars, taking care of noremap */
5488 		del_typebuf(-extra, offset);
5489 	    else if (extra > 0)
5490 		/* insert the extra space we need */
5491 		ins_typebuf(string + slen, REMAP_YES, offset, FALSE, FALSE);
5492 
5493 	    /*
5494 	     * Careful: del_typebuf() and ins_typebuf() may have reallocated
5495 	     * typebuf.tb_buf[]!
5496 	     */
5497 	    mch_memmove(typebuf.tb_buf + typebuf.tb_off + offset, string,
5498 							    (size_t)new_slen);
5499 	}
5500 	else
5501 	{
5502 	    if (extra < 0)
5503 		/* remove matched characters */
5504 		mch_memmove(buf + offset, buf + offset - extra,
5505 					   (size_t)(*buflen + offset + extra));
5506 	    else if (extra > 0)
5507 	    {
5508 		/* Insert the extra space we need.  If there is insufficient
5509 		 * space return -1. */
5510 		if (*buflen + extra + new_slen >= bufsize)
5511 		    return -1;
5512 		mch_memmove(buf + offset + extra, buf + offset,
5513 						   (size_t)(*buflen - offset));
5514 	    }
5515 	    mch_memmove(buf + offset, string, (size_t)new_slen);
5516 	    *buflen = *buflen + extra + new_slen;
5517 	}
5518 	return retval == 0 ? (len + extra + offset) : retval;
5519     }
5520 
5521 #ifdef FEAT_TERMRESPONSE
5522     LOG_TR("normal character");
5523 #endif
5524 
5525     return 0;			    /* no match found */
5526 }
5527 
5528 /*
5529  * Replace any terminal code strings in from[] with the equivalent internal
5530  * vim representation.	This is used for the "from" and "to" part of a
5531  * mapping, and the "to" part of a menu command.
5532  * Any strings like "<C-UP>" are also replaced, unless 'cpoptions' contains
5533  * '<'.
5534  * K_SPECIAL by itself is replaced by K_SPECIAL KS_SPECIAL KE_FILLER.
5535  *
5536  * The replacement is done in result[] and finally copied into allocated
5537  * memory. If this all works well *bufp is set to the allocated memory and a
5538  * pointer to it is returned. If something fails *bufp is set to NULL and from
5539  * is returned.
5540  *
5541  * CTRL-V characters are removed.  When "from_part" is TRUE, a trailing CTRL-V
5542  * is included, otherwise it is removed (for ":map xx ^V", maps xx to
5543  * nothing).  When 'cpoptions' does not contain 'B', a backslash can be used
5544  * instead of a CTRL-V.
5545  */
5546     char_u *
5547 replace_termcodes(
5548     char_u	*from,
5549     char_u	**bufp,
5550     int		from_part,
5551     int		do_lt,		/* also translate <lt> */
5552     int		special)	/* always accept <key> notation */
5553 {
5554     int		i;
5555     int		slen;
5556     int		key;
5557     int		dlen = 0;
5558     char_u	*src;
5559     int		do_backslash;	/* backslash is a special character */
5560     int		do_special;	/* recognize <> key codes */
5561     int		do_key_code;	/* recognize raw key codes */
5562     char_u	*result;	/* buffer for resulting string */
5563 
5564     do_backslash = (vim_strchr(p_cpo, CPO_BSLASH) == NULL);
5565     do_special = (vim_strchr(p_cpo, CPO_SPECI) == NULL) || special;
5566     do_key_code = (vim_strchr(p_cpo, CPO_KEYCODE) == NULL);
5567 
5568     /*
5569      * Allocate space for the translation.  Worst case a single character is
5570      * replaced by 6 bytes (shifted special key), plus a NUL at the end.
5571      */
5572     result = alloc((unsigned)STRLEN(from) * 6 + 1);
5573     if (result == NULL)		/* out of memory */
5574     {
5575 	*bufp = NULL;
5576 	return from;
5577     }
5578 
5579     src = from;
5580 
5581     /*
5582      * Check for #n at start only: function key n
5583      */
5584     if (from_part && src[0] == '#' && VIM_ISDIGIT(src[1]))  /* function key */
5585     {
5586 	result[dlen++] = K_SPECIAL;
5587 	result[dlen++] = 'k';
5588 	if (src[1] == '0')
5589 	    result[dlen++] = ';';	/* #0 is F10 is "k;" */
5590 	else
5591 	    result[dlen++] = src[1];	/* #3 is F3 is "k3" */
5592 	src += 2;
5593     }
5594 
5595     /*
5596      * Copy each byte from *from to result[dlen]
5597      */
5598     while (*src != NUL)
5599     {
5600 	/*
5601 	 * If 'cpoptions' does not contain '<', check for special key codes,
5602 	 * like "<C-S-LeftMouse>"
5603 	 */
5604 	if (do_special && (do_lt || STRNCMP(src, "<lt>", 4) != 0))
5605 	{
5606 #ifdef FEAT_EVAL
5607 	    /*
5608 	     * Replace <SID> by K_SNR <script-nr> _.
5609 	     * (room: 5 * 6 = 30 bytes; needed: 3 + <nr> + 1 <= 14)
5610 	     */
5611 	    if (STRNICMP(src, "<SID>", 5) == 0)
5612 	    {
5613 		if (current_SID <= 0)
5614 		    EMSG(_(e_usingsid));
5615 		else
5616 		{
5617 		    src += 5;
5618 		    result[dlen++] = K_SPECIAL;
5619 		    result[dlen++] = (int)KS_EXTRA;
5620 		    result[dlen++] = (int)KE_SNR;
5621 		    sprintf((char *)result + dlen, "%ld", (long)current_SID);
5622 		    dlen += (int)STRLEN(result + dlen);
5623 		    result[dlen++] = '_';
5624 		    continue;
5625 		}
5626 	    }
5627 #endif
5628 
5629 	    slen = trans_special(&src, result + dlen, TRUE, FALSE);
5630 	    if (slen)
5631 	    {
5632 		dlen += slen;
5633 		continue;
5634 	    }
5635 	}
5636 
5637 	/*
5638 	 * If 'cpoptions' does not contain 'k', see if it's an actual key-code.
5639 	 * Note that this is also checked after replacing the <> form.
5640 	 * Single character codes are NOT replaced (e.g. ^H or DEL), because
5641 	 * it could be a character in the file.
5642 	 */
5643 	if (do_key_code)
5644 	{
5645 	    i = find_term_bykeys(src);
5646 	    if (i >= 0)
5647 	    {
5648 		result[dlen++] = K_SPECIAL;
5649 		result[dlen++] = termcodes[i].name[0];
5650 		result[dlen++] = termcodes[i].name[1];
5651 		src += termcodes[i].len;
5652 		/* If terminal code matched, continue after it. */
5653 		continue;
5654 	    }
5655 	}
5656 
5657 #ifdef FEAT_EVAL
5658 	if (do_special)
5659 	{
5660 	    char_u	*p, *s, len;
5661 
5662 	    /*
5663 	     * Replace <Leader> by the value of "mapleader".
5664 	     * Replace <LocalLeader> by the value of "maplocalleader".
5665 	     * If "mapleader" or "maplocalleader" isn't set use a backslash.
5666 	     */
5667 	    if (STRNICMP(src, "<Leader>", 8) == 0)
5668 	    {
5669 		len = 8;
5670 		p = get_var_value((char_u *)"g:mapleader");
5671 	    }
5672 	    else if (STRNICMP(src, "<LocalLeader>", 13) == 0)
5673 	    {
5674 		len = 13;
5675 		p = get_var_value((char_u *)"g:maplocalleader");
5676 	    }
5677 	    else
5678 	    {
5679 		len = 0;
5680 		p = NULL;
5681 	    }
5682 	    if (len != 0)
5683 	    {
5684 		/* Allow up to 8 * 6 characters for "mapleader". */
5685 		if (p == NULL || *p == NUL || STRLEN(p) > 8 * 6)
5686 		    s = (char_u *)"\\";
5687 		else
5688 		    s = p;
5689 		while (*s != NUL)
5690 		    result[dlen++] = *s++;
5691 		src += len;
5692 		continue;
5693 	    }
5694 	}
5695 #endif
5696 
5697 	/*
5698 	 * Remove CTRL-V and ignore the next character.
5699 	 * For "from" side the CTRL-V at the end is included, for the "to"
5700 	 * part it is removed.
5701 	 * If 'cpoptions' does not contain 'B', also accept a backslash.
5702 	 */
5703 	key = *src;
5704 	if (key == Ctrl_V || (do_backslash && key == '\\'))
5705 	{
5706 	    ++src;				/* skip CTRL-V or backslash */
5707 	    if (*src == NUL)
5708 	    {
5709 		if (from_part)
5710 		    result[dlen++] = key;
5711 		break;
5712 	    }
5713 	}
5714 
5715 #ifdef FEAT_MBYTE
5716 	/* skip multibyte char correctly */
5717 	for (i = (*mb_ptr2len)(src); i > 0; --i)
5718 #endif
5719 	{
5720 	    /*
5721 	     * If the character is K_SPECIAL, replace it with K_SPECIAL
5722 	     * KS_SPECIAL KE_FILLER.
5723 	     * If compiled with the GUI replace CSI with K_CSI.
5724 	     */
5725 	    if (*src == K_SPECIAL)
5726 	    {
5727 		result[dlen++] = K_SPECIAL;
5728 		result[dlen++] = KS_SPECIAL;
5729 		result[dlen++] = KE_FILLER;
5730 	    }
5731 # ifdef FEAT_GUI
5732 	    else if (*src == CSI)
5733 	    {
5734 		result[dlen++] = K_SPECIAL;
5735 		result[dlen++] = KS_EXTRA;
5736 		result[dlen++] = (int)KE_CSI;
5737 	    }
5738 # endif
5739 	    else
5740 		result[dlen++] = *src;
5741 	    ++src;
5742 	}
5743     }
5744     result[dlen] = NUL;
5745 
5746     /*
5747      * Copy the new string to allocated memory.
5748      * If this fails, just return from.
5749      */
5750     if ((*bufp = vim_strsave(result)) != NULL)
5751 	from = *bufp;
5752     vim_free(result);
5753     return from;
5754 }
5755 
5756 /*
5757  * Find a termcode with keys 'src' (must be NUL terminated).
5758  * Return the index in termcodes[], or -1 if not found.
5759  */
5760     int
5761 find_term_bykeys(char_u *src)
5762 {
5763     int		i;
5764     int		slen = (int)STRLEN(src);
5765 
5766     for (i = 0; i < tc_len; ++i)
5767     {
5768 	if (slen == termcodes[i].len
5769 			&& STRNCMP(termcodes[i].code, src, (size_t)slen) == 0)
5770 	    return i;
5771     }
5772     return -1;
5773 }
5774 
5775 /*
5776  * Gather the first characters in the terminal key codes into a string.
5777  * Used to speed up check_termcode().
5778  */
5779     static void
5780 gather_termleader(void)
5781 {
5782     int	    i;
5783     int	    len = 0;
5784 
5785 #ifdef FEAT_GUI
5786     if (gui.in_use)
5787 	termleader[len++] = CSI;    /* the GUI codes are not in termcodes[] */
5788 #endif
5789 #ifdef FEAT_TERMRESPONSE
5790     if (check_for_codes)
5791 	termleader[len++] = DCS;    /* the termcode response starts with DCS
5792 				       in 8-bit mode */
5793 #endif
5794     termleader[len] = NUL;
5795 
5796     for (i = 0; i < tc_len; ++i)
5797 	if (vim_strchr(termleader, termcodes[i].code[0]) == NULL)
5798 	{
5799 	    termleader[len++] = termcodes[i].code[0];
5800 	    termleader[len] = NUL;
5801 	}
5802 
5803     need_gather = FALSE;
5804 }
5805 
5806 /*
5807  * Show all termcodes (for ":set termcap")
5808  * This code looks a lot like showoptions(), but is different.
5809  */
5810     void
5811 show_termcodes(void)
5812 {
5813     int		col;
5814     int		*items;
5815     int		item_count;
5816     int		run;
5817     int		row, rows;
5818     int		cols;
5819     int		i;
5820     int		len;
5821 
5822 #define INC3 27	    /* try to make three columns */
5823 #define INC2 40	    /* try to make two columns */
5824 #define GAP 2	    /* spaces between columns */
5825 
5826     if (tc_len == 0)	    /* no terminal codes (must be GUI) */
5827 	return;
5828     items = (int *)alloc((unsigned)(sizeof(int) * tc_len));
5829     if (items == NULL)
5830 	return;
5831 
5832     /* Highlight title */
5833     MSG_PUTS_TITLE(_("\n--- Terminal keys ---"));
5834 
5835     /*
5836      * do the loop two times:
5837      * 1. display the short items (non-strings and short strings)
5838      * 2. display the medium items (medium length strings)
5839      * 3. display the long items (remaining strings)
5840      */
5841     for (run = 1; run <= 3 && !got_int; ++run)
5842     {
5843 	/*
5844 	 * collect the items in items[]
5845 	 */
5846 	item_count = 0;
5847 	for (i = 0; i < tc_len; i++)
5848 	{
5849 	    len = show_one_termcode(termcodes[i].name,
5850 						    termcodes[i].code, FALSE);
5851 	    if (len <= INC3 - GAP ? run == 1
5852 			: len <= INC2 - GAP ? run == 2
5853 			: run == 3)
5854 		items[item_count++] = i;
5855 	}
5856 
5857 	/*
5858 	 * display the items
5859 	 */
5860 	if (run <= 2)
5861 	{
5862 	    cols = (Columns + GAP) / (run == 1 ? INC3 : INC2);
5863 	    if (cols == 0)
5864 		cols = 1;
5865 	    rows = (item_count + cols - 1) / cols;
5866 	}
5867 	else	/* run == 3 */
5868 	    rows = item_count;
5869 	for (row = 0; row < rows && !got_int; ++row)
5870 	{
5871 	    msg_putchar('\n');			/* go to next line */
5872 	    if (got_int)			/* 'q' typed in more */
5873 		break;
5874 	    col = 0;
5875 	    for (i = row; i < item_count; i += rows)
5876 	    {
5877 		msg_col = col;			/* make columns */
5878 		show_one_termcode(termcodes[items[i]].name,
5879 					      termcodes[items[i]].code, TRUE);
5880 		if (run == 2)
5881 		    col += INC2;
5882 		else
5883 		    col += INC3;
5884 	    }
5885 	    out_flush();
5886 	    ui_breakcheck();
5887 	}
5888     }
5889     vim_free(items);
5890 }
5891 
5892 /*
5893  * Show one termcode entry.
5894  * Output goes into IObuff[]
5895  */
5896     int
5897 show_one_termcode(char_u *name, char_u *code, int printit)
5898 {
5899     char_u	*p;
5900     int		len;
5901 
5902     if (name[0] > '~')
5903     {
5904 	IObuff[0] = ' ';
5905 	IObuff[1] = ' ';
5906 	IObuff[2] = ' ';
5907 	IObuff[3] = ' ';
5908     }
5909     else
5910     {
5911 	IObuff[0] = 't';
5912 	IObuff[1] = '_';
5913 	IObuff[2] = name[0];
5914 	IObuff[3] = name[1];
5915     }
5916     IObuff[4] = ' ';
5917 
5918     p = get_special_key_name(TERMCAP2KEY(name[0], name[1]), 0);
5919     if (p[1] != 't')
5920 	STRCPY(IObuff + 5, p);
5921     else
5922 	IObuff[5] = NUL;
5923     len = (int)STRLEN(IObuff);
5924     do
5925 	IObuff[len++] = ' ';
5926     while (len < 17);
5927     IObuff[len] = NUL;
5928     if (code == NULL)
5929 	len += 4;
5930     else
5931 	len += vim_strsize(code);
5932 
5933     if (printit)
5934     {
5935 	msg_puts(IObuff);
5936 	if (code == NULL)
5937 	    msg_puts((char_u *)"NULL");
5938 	else
5939 	    msg_outtrans(code);
5940     }
5941     return len;
5942 }
5943 
5944 #if defined(FEAT_TERMRESPONSE) || defined(PROTO)
5945 /*
5946  * For Xterm >= 140 compiled with OPT_TCAP_QUERY: Obtain the actually used
5947  * termcap codes from the terminal itself.
5948  * We get them one by one to avoid a very long response string.
5949  */
5950 static int xt_index_in = 0;
5951 static int xt_index_out = 0;
5952 
5953     static void
5954 req_codes_from_term(void)
5955 {
5956     xt_index_out = 0;
5957     xt_index_in = 0;
5958     req_more_codes_from_term();
5959 }
5960 
5961     static void
5962 req_more_codes_from_term(void)
5963 {
5964     char	buf[11];
5965     int		old_idx = xt_index_out;
5966 
5967     /* Don't do anything when going to exit. */
5968     if (exiting)
5969 	return;
5970 
5971     /* Send up to 10 more requests out than we received.  Avoid sending too
5972      * many, there can be a buffer overflow somewhere. */
5973     while (xt_index_out < xt_index_in + 10 && key_names[xt_index_out] != NULL)
5974     {
5975 # ifdef DEBUG_TERMRESPONSE
5976 	char dbuf[100];
5977 
5978 	sprintf(dbuf, "Requesting XT %d: %s",
5979 				       xt_index_out, key_names[xt_index_out]);
5980 	log_tr(dbuf);
5981 # endif
5982 	sprintf(buf, "\033P+q%02x%02x\033\\",
5983 		      key_names[xt_index_out][0], key_names[xt_index_out][1]);
5984 	out_str_nf((char_u *)buf);
5985 	++xt_index_out;
5986     }
5987 
5988     /* Send the codes out right away. */
5989     if (xt_index_out != old_idx)
5990 	out_flush();
5991 }
5992 
5993 /*
5994  * Decode key code response from xterm: '<Esc>P1+r<name>=<string><Esc>\'.
5995  * A "0" instead of the "1" indicates a code that isn't supported.
5996  * Both <name> and <string> are encoded in hex.
5997  * "code" points to the "0" or "1".
5998  */
5999     static void
6000 got_code_from_term(char_u *code, int len)
6001 {
6002 #define XT_LEN 100
6003     char_u	name[3];
6004     char_u	str[XT_LEN];
6005     int		i;
6006     int		j = 0;
6007     int		c;
6008 
6009     /* A '1' means the code is supported, a '0' means it isn't.
6010      * When half the length is > XT_LEN we can't use it.
6011      * Our names are currently all 2 characters. */
6012     if (code[0] == '1' && code[7] == '=' && len / 2 < XT_LEN)
6013     {
6014 	/* Get the name from the response and find it in the table. */
6015 	name[0] = hexhex2nr(code + 3);
6016 	name[1] = hexhex2nr(code + 5);
6017 	name[2] = NUL;
6018 	for (i = 0; key_names[i] != NULL; ++i)
6019 	{
6020 	    if (STRCMP(key_names[i], name) == 0)
6021 	    {
6022 		xt_index_in = i;
6023 		break;
6024 	    }
6025 	}
6026 # ifdef DEBUG_TERMRESPONSE
6027 	{
6028 	    char buf[100];
6029 
6030 	    sprintf(buf, "Received XT %d: %s", xt_index_in, (char *)name);
6031 	    log_tr(buf);
6032 	}
6033 # endif
6034 	if (key_names[i] != NULL)
6035 	{
6036 	    for (i = 8; (c = hexhex2nr(code + i)) >= 0; i += 2)
6037 		str[j++] = c;
6038 	    str[j] = NUL;
6039 	    if (name[0] == 'C' && name[1] == 'o')
6040 	    {
6041 		/* Color count is not a key code. */
6042 		i = atoi((char *)str);
6043 		may_adjust_color_count(i);
6044 	    }
6045 	    else
6046 	    {
6047 		/* First delete any existing entry with the same code. */
6048 		i = find_term_bykeys(str);
6049 		if (i >= 0)
6050 		    del_termcode_idx(i);
6051 		add_termcode(name, str, ATC_FROM_TERM);
6052 	    }
6053 	}
6054     }
6055 
6056     /* May request more codes now that we received one. */
6057     ++xt_index_in;
6058     req_more_codes_from_term();
6059 }
6060 
6061 /*
6062  * Check if there are any unanswered requests and deal with them.
6063  * This is called before starting an external program or getting direct
6064  * keyboard input.  We don't want responses to be send to that program or
6065  * handled as typed text.
6066  */
6067     static void
6068 check_for_codes_from_term(void)
6069 {
6070     int		c;
6071 
6072     /* If no codes requested or all are answered, no need to wait. */
6073     if (xt_index_out == 0 || xt_index_out == xt_index_in)
6074 	return;
6075 
6076     /* Vgetc() will check for and handle any response.
6077      * Keep calling vpeekc() until we don't get any responses. */
6078     ++no_mapping;
6079     ++allow_keys;
6080     for (;;)
6081     {
6082 	c = vpeekc();
6083 	if (c == NUL)	    /* nothing available */
6084 	    break;
6085 
6086 	/* If a response is recognized it's replaced with K_IGNORE, must read
6087 	 * it from the input stream.  If there is no K_IGNORE we can't do
6088 	 * anything, break here (there might be some responses further on, but
6089 	 * we don't want to throw away any typed chars). */
6090 	if (c != K_SPECIAL && c != K_IGNORE)
6091 	    break;
6092 	c = vgetc();
6093 	if (c != K_IGNORE)
6094 	{
6095 	    vungetc(c);
6096 	    break;
6097 	}
6098     }
6099     --no_mapping;
6100     --allow_keys;
6101 }
6102 #endif
6103 
6104 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6105 /*
6106  * Translate an internal mapping/abbreviation representation into the
6107  * corresponding external one recognized by :map/:abbrev commands;
6108  * respects the current B/k/< settings of 'cpoption'.
6109  *
6110  * This function is called when expanding mappings/abbreviations on the
6111  * command-line, and for building the "Ambiguous mapping..." error message.
6112  *
6113  * It uses a growarray to build the translation string since the
6114  * latter can be wider than the original description. The caller has to
6115  * free the string afterwards.
6116  *
6117  * Returns NULL when there is a problem.
6118  */
6119     char_u *
6120 translate_mapping(
6121     char_u	*str,
6122     int		expmap)  /* TRUE when expanding mappings on command-line */
6123 {
6124     garray_T	ga;
6125     int		c;
6126     int		modifiers;
6127     int		cpo_bslash;
6128     int		cpo_special;
6129     int		cpo_keycode;
6130 
6131     ga_init(&ga);
6132     ga.ga_itemsize = 1;
6133     ga.ga_growsize = 40;
6134 
6135     cpo_bslash = (vim_strchr(p_cpo, CPO_BSLASH) != NULL);
6136     cpo_special = (vim_strchr(p_cpo, CPO_SPECI) != NULL);
6137     cpo_keycode = (vim_strchr(p_cpo, CPO_KEYCODE) == NULL);
6138 
6139     for (; *str; ++str)
6140     {
6141 	c = *str;
6142 	if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL)
6143 	{
6144 	    modifiers = 0;
6145 	    if (str[1] == KS_MODIFIER)
6146 	    {
6147 		str++;
6148 		modifiers = *++str;
6149 		c = *++str;
6150 	    }
6151 	    if (cpo_special && cpo_keycode && c == K_SPECIAL && !modifiers)
6152 	    {
6153 		int	i;
6154 
6155 		/* try to find special key in termcodes */
6156 		for (i = 0; i < tc_len; ++i)
6157 		    if (termcodes[i].name[0] == str[1]
6158 					    && termcodes[i].name[1] == str[2])
6159 			break;
6160 		if (i < tc_len)
6161 		{
6162 		    ga_concat(&ga, termcodes[i].code);
6163 		    str += 2;
6164 		    continue; /* for (str) */
6165 		}
6166 	    }
6167 	    if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL)
6168 	    {
6169 		if (expmap && cpo_special)
6170 		{
6171 		    ga_clear(&ga);
6172 		    return NULL;
6173 		}
6174 		c = TO_SPECIAL(str[1], str[2]);
6175 		if (c == K_ZERO)	/* display <Nul> as ^@ */
6176 		    c = NUL;
6177 		str += 2;
6178 	    }
6179 	    if (IS_SPECIAL(c) || modifiers)	/* special key */
6180 	    {
6181 		if (expmap && cpo_special)
6182 		{
6183 		    ga_clear(&ga);
6184 		    return NULL;
6185 		}
6186 		ga_concat(&ga, get_special_key_name(c, modifiers));
6187 		continue; /* for (str) */
6188 	    }
6189 	}
6190 	if (c == ' ' || c == '\t' || c == Ctrl_J || c == Ctrl_V
6191 	    || (c == '<' && !cpo_special) || (c == '\\' && !cpo_bslash))
6192 	    ga_append(&ga, cpo_bslash ? Ctrl_V : '\\');
6193 	if (c)
6194 	    ga_append(&ga, c);
6195     }
6196     ga_append(&ga, NUL);
6197     return (char_u *)(ga.ga_data);
6198 }
6199 #endif
6200 
6201 #if (defined(WIN3264) && !defined(FEAT_GUI)) || defined(PROTO)
6202 static char ksme_str[20];
6203 static char ksmr_str[20];
6204 static char ksmd_str[20];
6205 
6206 /*
6207  * For Win32 console: update termcap codes for existing console attributes.
6208  */
6209     void
6210 update_tcap(int attr)
6211 {
6212     struct builtin_term *p;
6213 
6214     p = find_builtin_term(DEFAULT_TERM);
6215     sprintf(ksme_str, IF_EB("\033|%dm", ESC_STR "|%dm"), attr);
6216     sprintf(ksmd_str, IF_EB("\033|%dm", ESC_STR "|%dm"),
6217 				     attr | 0x08);  /* FOREGROUND_INTENSITY */
6218     sprintf(ksmr_str, IF_EB("\033|%dm", ESC_STR "|%dm"),
6219 				 ((attr & 0x0F) << 4) | ((attr & 0xF0) >> 4));
6220 
6221     while (p->bt_string != NULL)
6222     {
6223       if (p->bt_entry == (int)KS_ME)
6224 	  p->bt_string = &ksme_str[0];
6225       else if (p->bt_entry == (int)KS_MR)
6226 	  p->bt_string = &ksmr_str[0];
6227       else if (p->bt_entry == (int)KS_MD)
6228 	  p->bt_string = &ksmd_str[0];
6229       ++p;
6230     }
6231 }
6232 #endif
6233 
6234 #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO)
6235     static int
6236 hex_digit(int c)
6237 {
6238     if (isdigit(c))
6239 	return c - '0';
6240     c = TOLOWER_ASC(c);
6241     if (c >= 'a' && c <= 'f')
6242 	return c - 'a' + 10;
6243     return 0x1ffffff;
6244 }
6245 
6246     guicolor_T
6247 gui_get_color_cmn(char_u *name)
6248 {
6249     /* On MS-Windows an RGB macro is available and it produces 0x00bbggrr color
6250      * values as used by the MS-Windows GDI api.  It should be used only for
6251      * MS-Windows GDI builds. */
6252 # if defined(RGB) && defined(WIN32) && !defined(FEAT_GUI)
6253 #  undef RGB
6254 # endif
6255 # ifndef RGB
6256 #  define RGB(r, g, b)	((r<<16) | (g<<8) | (b))
6257 # endif
6258 # define LINE_LEN 100
6259     FILE	*fd;
6260     char	line[LINE_LEN];
6261     char_u	*fname;
6262     int		r, g, b, i;
6263     guicolor_T  color;
6264 
6265     struct rgbcolor_table_S {
6266 	char_u	    *color_name;
6267 	guicolor_T  color;
6268     };
6269 
6270     /* Only non X11 colors (not present in rgb.txt) and colors in
6271      * color_names[], useful when $VIMRUNTIME is not found,. */
6272     static struct rgbcolor_table_S rgb_table[] = {
6273 	    {(char_u *)"black",		RGB(0x00, 0x00, 0x00)},
6274 	    {(char_u *)"blue",		RGB(0x00, 0x00, 0xFF)},
6275 	    {(char_u *)"brown",		RGB(0xA5, 0x2A, 0x2A)},
6276 	    {(char_u *)"cyan",		RGB(0x00, 0xFF, 0xFF)},
6277 	    {(char_u *)"darkblue",	RGB(0x00, 0x00, 0x8B)},
6278 	    {(char_u *)"darkcyan",	RGB(0x00, 0x8B, 0x8B)},
6279 	    {(char_u *)"darkgray",	RGB(0xA9, 0xA9, 0xA9)},
6280 	    {(char_u *)"darkgreen",	RGB(0x00, 0x64, 0x00)},
6281 	    {(char_u *)"darkgrey",	RGB(0xA9, 0xA9, 0xA9)},
6282 	    {(char_u *)"darkmagenta",	RGB(0x8B, 0x00, 0x8B)},
6283 	    {(char_u *)"darkred",	RGB(0x8B, 0x00, 0x00)},
6284 	    {(char_u *)"darkyellow",	RGB(0x8B, 0x8B, 0x00)}, /* No X11 */
6285 	    {(char_u *)"gray",		RGB(0xBE, 0xBE, 0xBE)},
6286 	    {(char_u *)"green",		RGB(0x00, 0xFF, 0x00)},
6287 	    {(char_u *)"grey",		RGB(0xBE, 0xBE, 0xBE)},
6288 	    {(char_u *)"grey40",	RGB(0x66, 0x66, 0x66)},
6289 	    {(char_u *)"grey90",	RGB(0xE5, 0xE5, 0xE5)},
6290 	    {(char_u *)"lightblue",	RGB(0xAD, 0xD8, 0xE6)},
6291 	    {(char_u *)"lightcyan",	RGB(0xE0, 0xFF, 0xFF)},
6292 	    {(char_u *)"lightgray",	RGB(0xD3, 0xD3, 0xD3)},
6293 	    {(char_u *)"lightgreen",	RGB(0x90, 0xEE, 0x90)},
6294 	    {(char_u *)"lightgrey",	RGB(0xD3, 0xD3, 0xD3)},
6295 	    {(char_u *)"lightmagenta",	RGB(0xFF, 0x8B, 0xFF)}, /* No X11 */
6296 	    {(char_u *)"lightred",	RGB(0xFF, 0x8B, 0x8B)}, /* No X11 */
6297 	    {(char_u *)"lightyellow",	RGB(0xFF, 0xFF, 0xE0)},
6298 	    {(char_u *)"magenta",	RGB(0xFF, 0x00, 0xFF)},
6299 	    {(char_u *)"red",		RGB(0xFF, 0x00, 0x00)},
6300 	    {(char_u *)"seagreen",	RGB(0x2E, 0x8B, 0x57)},
6301 	    {(char_u *)"white",		RGB(0xFF, 0xFF, 0xFF)},
6302 	    {(char_u *)"yellow",	RGB(0xFF, 0xFF, 0x00)},
6303     };
6304 
6305     static struct rgbcolor_table_S *colornames_table;
6306     static int size = 0;
6307 
6308     if (name[0] == '#' && STRLEN(name) == 7)
6309     {
6310 	/* Name is in "#rrggbb" format */
6311 	color = RGB(((hex_digit(name[1]) << 4) + hex_digit(name[2])),
6312 		    ((hex_digit(name[3]) << 4) + hex_digit(name[4])),
6313 		    ((hex_digit(name[5]) << 4) + hex_digit(name[6])));
6314 	if (color > 0xffffff)
6315 	    return INVALCOLOR;
6316 	return color;
6317     }
6318 
6319     /* Check if the name is one of the colors we know */
6320     for (i = 0; i < (int)(sizeof(rgb_table) / sizeof(rgb_table[0])); i++)
6321 	if (STRICMP(name, rgb_table[i].color_name) == 0)
6322 	    return rgb_table[i].color;
6323 
6324     /*
6325      * Last attempt. Look in the file "$VIM/rgb.txt".
6326      */
6327     if (size == 0)
6328     {
6329 	int counting;
6330 
6331 	/* colornames_table not yet initialized */
6332 	fname = expand_env_save((char_u *)"$VIMRUNTIME/rgb.txt");
6333 	if (fname == NULL)
6334 	    return INVALCOLOR;
6335 
6336 	fd = fopen((char *)fname, "rt");
6337 	vim_free(fname);
6338 	if (fd == NULL)
6339 	{
6340 	    if (p_verbose > 1)
6341 		verb_msg((char_u *)_("Cannot open $VIMRUNTIME/rgb.txt"));
6342 	    return INVALCOLOR;
6343 	}
6344 
6345 	for (counting = 1; counting >= 0; --counting)
6346 	{
6347 	    if (!counting)
6348 	    {
6349 		colornames_table = (struct rgbcolor_table_S *)alloc(
6350 			   (unsigned)(sizeof(struct rgbcolor_table_S) * size));
6351 		if (colornames_table == NULL)
6352 		{
6353 		    fclose(fd);
6354 		    return INVALCOLOR;
6355 		}
6356 		rewind(fd);
6357 	    }
6358 	    size = 0;
6359 
6360 	    while (!feof(fd))
6361 	    {
6362 		size_t	len;
6363 		int	pos;
6364 
6365 		ignoredp = fgets(line, LINE_LEN, fd);
6366 		len = strlen(line);
6367 
6368 		if (len <= 1 || line[len - 1] != '\n')
6369 		    continue;
6370 
6371 		line[len - 1] = '\0';
6372 
6373 		i = sscanf(line, "%d %d %d %n", &r, &g, &b, &pos);
6374 		if (i != 3)
6375 		    continue;
6376 
6377 		if (!counting)
6378 		{
6379 		    char_u *s = vim_strsave((char_u *)line + pos);
6380 
6381 		    if (s == NULL)
6382 		    {
6383 			fclose(fd);
6384 			return INVALCOLOR;
6385 		    }
6386 		    colornames_table[size].color_name = s;
6387 		    colornames_table[size].color = (guicolor_T)RGB(r, g, b);
6388 		}
6389 		size++;
6390 	    }
6391 	}
6392 	fclose(fd);
6393     }
6394 
6395     for (i = 0; i < size; i++)
6396 	if (STRICMP(name, colornames_table[i].color_name) == 0)
6397 	    return colornames_table[i].color;
6398 
6399     return INVALCOLOR;
6400 }
6401 
6402     guicolor_T
6403 gui_get_rgb_color_cmn(int r, int g, int b)
6404 {
6405     guicolor_T  color = RGB(r, g, b);
6406 
6407     if (color > 0xffffff)
6408 	return INVALCOLOR;
6409     return color;
6410 }
6411 #endif
6412