xref: /vim-8.2.3635/src/term.c (revision f0b03c4e)
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 
118 #  define STATUS_GET	1	/* send request when switching to RAW mode */
119 #  define STATUS_SENT	2	/* did send request, waiting for response */
120 #  define STATUS_GOT	3	/* received response */
121 
122 /* Request Terminal Version status: */
123 static int crv_status = STATUS_GET;
124 
125 /* Request Cursor position report: */
126 static int u7_status = STATUS_GET;
127 
128 #  ifdef FEAT_TERMINAL
129 /* Request foreground color report: */
130 static int rfg_status = STATUS_GET;
131 static int fg_r = 0;
132 static int fg_g = 0;
133 static int fg_b = 0;
134 static int bg_r = 255;
135 static int bg_g = 255;
136 static int bg_b = 255;
137 #  endif
138 
139 /* Request background color report: */
140 static int rbg_status = STATUS_GET;
141 
142 /* Request cursor blinking mode report: */
143 static int rbm_status = STATUS_GET;
144 
145 /* Request cursor style report: */
146 static int rcs_status = STATUS_GET;
147 # endif
148 
149 /*
150  * Don't declare these variables if termcap.h contains them.
151  * Autoconf checks if these variables should be declared extern (not all
152  * systems have them).
153  * Some versions define ospeed to be speed_t, but that is incompatible with
154  * BSD, where ospeed is short and speed_t is long.
155  */
156 # ifndef HAVE_OSPEED
157 #  ifdef OSPEED_EXTERN
158 extern short ospeed;
159 #   else
160 short ospeed;
161 #   endif
162 # endif
163 # ifndef HAVE_UP_BC_PC
164 #  ifdef UP_BC_PC_EXTERN
165 extern char *UP, *BC, PC;
166 #  else
167 char *UP, *BC, PC;
168 #  endif
169 # endif
170 
171 # define TGETSTR(s, p)	vim_tgetstr((s), (p))
172 # define TGETENT(b, t)	tgetent((char *)(b), (char *)(t))
173 static char_u *vim_tgetstr(char *s, char_u **pp);
174 #endif /* HAVE_TGETENT */
175 
176 static int  detected_8bit = FALSE;	/* detected 8-bit terminal */
177 
178 #ifdef FEAT_TERMRESPONSE
179 /* When the cursor shape was detected these values are used:
180  * 1: block, 2: underline, 3: vertical bar */
181 static int initial_cursor_shape = 0;
182 
183 /* The blink flag from the style response may be inverted from the actual
184  * blinking state, xterm XORs the flags. */
185 static int initial_cursor_shape_blink = FALSE;
186 
187 /* The blink flag from the blinking-cursor mode response */
188 static int initial_cursor_blink = FALSE;
189 #endif
190 
191 static struct builtin_term builtin_termcaps[] =
192 {
193 
194 #if defined(FEAT_GUI)
195 /*
196  * GUI pseudo term-cap.
197  */
198     {(int)KS_NAME,	"gui"},
199     {(int)KS_CE,	IF_EB("\033|$", ESC_STR "|$")},
200     {(int)KS_AL,	IF_EB("\033|i", ESC_STR "|i")},
201 # ifdef TERMINFO
202     {(int)KS_CAL,	IF_EB("\033|%p1%dI", ESC_STR "|%p1%dI")},
203 # else
204     {(int)KS_CAL,	IF_EB("\033|%dI", ESC_STR "|%dI")},
205 # endif
206     {(int)KS_DL,	IF_EB("\033|d", ESC_STR "|d")},
207 # ifdef TERMINFO
208     {(int)KS_CDL,	IF_EB("\033|%p1%dD", ESC_STR "|%p1%dD")},
209     {(int)KS_CS,	IF_EB("\033|%p1%d;%p2%dR", ESC_STR "|%p1%d;%p2%dR")},
210     {(int)KS_CSV,	IF_EB("\033|%p1%d;%p2%dV", ESC_STR "|%p1%d;%p2%dV")},
211 # else
212     {(int)KS_CDL,	IF_EB("\033|%dD", ESC_STR "|%dD")},
213     {(int)KS_CS,	IF_EB("\033|%d;%dR", ESC_STR "|%d;%dR")},
214     {(int)KS_CSV,	IF_EB("\033|%d;%dV", ESC_STR "|%d;%dV")},
215 # endif
216     {(int)KS_CL,	IF_EB("\033|C", ESC_STR "|C")},
217 			/* attributes switched on with 'h', off with * 'H' */
218     {(int)KS_ME,	IF_EB("\033|31H", ESC_STR "|31H")}, /* HL_ALL */
219     {(int)KS_MR,	IF_EB("\033|1h", ESC_STR "|1h")},   /* HL_INVERSE */
220     {(int)KS_MD,	IF_EB("\033|2h", ESC_STR "|2h")},   /* HL_BOLD */
221     {(int)KS_SE,	IF_EB("\033|16H", ESC_STR "|16H")}, /* HL_STANDOUT */
222     {(int)KS_SO,	IF_EB("\033|16h", ESC_STR "|16h")}, /* HL_STANDOUT */
223     {(int)KS_UE,	IF_EB("\033|8H", ESC_STR "|8H")},   /* HL_UNDERLINE */
224     {(int)KS_US,	IF_EB("\033|8h", ESC_STR "|8h")},   /* HL_UNDERLINE */
225     {(int)KS_UCE,	IF_EB("\033|8C", ESC_STR "|8C")},   /* HL_UNDERCURL */
226     {(int)KS_UCS,	IF_EB("\033|8c", ESC_STR "|8c")},   /* HL_UNDERCURL */
227     {(int)KS_STE,	IF_EB("\033|4C", ESC_STR "|4C")},   /* HL_STRIKETHROUGH */
228     {(int)KS_STS,	IF_EB("\033|4c", ESC_STR "|4c")},   /* HL_STRIKETHROUGH */
229     {(int)KS_CZR,	IF_EB("\033|4H", ESC_STR "|4H")},   /* HL_ITALIC */
230     {(int)KS_CZH,	IF_EB("\033|4h", ESC_STR "|4h")},   /* HL_ITALIC */
231     {(int)KS_VB,	IF_EB("\033|f", ESC_STR "|f")},
232     {(int)KS_MS,	"y"},
233     {(int)KS_UT,	"y"},
234     {(int)KS_XN,	"y"},
235     {(int)KS_LE,	"\b"},		/* cursor-left = BS */
236     {(int)KS_ND,	"\014"},	/* cursor-right = CTRL-L */
237 # ifdef TERMINFO
238     {(int)KS_CM,	IF_EB("\033|%p1%d;%p2%dM", ESC_STR "|%p1%d;%p2%dM")},
239 # else
240     {(int)KS_CM,	IF_EB("\033|%d;%dM", ESC_STR "|%d;%dM")},
241 # endif
242 	/* there are no key sequences here, the GUI sequences are recognized
243 	 * in check_termcode() */
244 #endif
245 
246 #ifndef NO_BUILTIN_TCAPS
247 
248 # if defined(AMIGA) || defined(ALL_BUILTIN_TCAPS)
249 /*
250  * Amiga console window, default for Amiga
251  */
252     {(int)KS_NAME,	"amiga"},
253     {(int)KS_CE,	"\033[K"},
254     {(int)KS_CD,	"\033[J"},
255     {(int)KS_AL,	"\033[L"},
256 #  ifdef TERMINFO
257     {(int)KS_CAL,	"\033[%p1%dL"},
258 #  else
259     {(int)KS_CAL,	"\033[%dL"},
260 #  endif
261     {(int)KS_DL,	"\033[M"},
262 #  ifdef TERMINFO
263     {(int)KS_CDL,	"\033[%p1%dM"},
264 #  else
265     {(int)KS_CDL,	"\033[%dM"},
266 #  endif
267     {(int)KS_CL,	"\014"},
268     {(int)KS_VI,	"\033[0 p"},
269     {(int)KS_VE,	"\033[1 p"},
270     {(int)KS_ME,	"\033[0m"},
271     {(int)KS_MR,	"\033[7m"},
272     {(int)KS_MD,	"\033[1m"},
273     {(int)KS_SE,	"\033[0m"},
274     {(int)KS_SO,	"\033[33m"},
275     {(int)KS_US,	"\033[4m"},
276     {(int)KS_UE,	"\033[0m"},
277     {(int)KS_CZH,	"\033[3m"},
278     {(int)KS_CZR,	"\033[0m"},
279 #if defined(__MORPHOS__) || defined(__AROS__)
280     {(int)KS_CCO,	"8"},		/* allow 8 colors */
281 #  ifdef TERMINFO
282     {(int)KS_CAB,	"\033[4%p1%dm"},/* set background color */
283     {(int)KS_CAF,	"\033[3%p1%dm"},/* set foreground color */
284 #  else
285     {(int)KS_CAB,	"\033[4%dm"},	/* set background color */
286     {(int)KS_CAF,	"\033[3%dm"},	/* set foreground color */
287 #  endif
288     {(int)KS_OP,	"\033[m"},	/* reset colors */
289 #endif
290     {(int)KS_MS,	"y"},
291     {(int)KS_UT,	"y"},		/* guessed */
292     {(int)KS_LE,	"\b"},
293 #  ifdef TERMINFO
294     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
295 #  else
296     {(int)KS_CM,	"\033[%i%d;%dH"},
297 #  endif
298 #if defined(__MORPHOS__)
299     {(int)KS_SR,	"\033M"},
300 #endif
301 #  ifdef TERMINFO
302     {(int)KS_CRI,	"\033[%p1%dC"},
303 #  else
304     {(int)KS_CRI,	"\033[%dC"},
305 #  endif
306     {K_UP,		"\233A"},
307     {K_DOWN,		"\233B"},
308     {K_LEFT,		"\233D"},
309     {K_RIGHT,		"\233C"},
310     {K_S_UP,		"\233T"},
311     {K_S_DOWN,		"\233S"},
312     {K_S_LEFT,		"\233 A"},
313     {K_S_RIGHT,		"\233 @"},
314     {K_S_TAB,		"\233Z"},
315     {K_F1,		"\233\060~"},/* some compilers don't dig "\2330" */
316     {K_F2,		"\233\061~"},
317     {K_F3,		"\233\062~"},
318     {K_F4,		"\233\063~"},
319     {K_F5,		"\233\064~"},
320     {K_F6,		"\233\065~"},
321     {K_F7,		"\233\066~"},
322     {K_F8,		"\233\067~"},
323     {K_F9,		"\233\070~"},
324     {K_F10,		"\233\071~"},
325     {K_S_F1,		"\233\061\060~"},
326     {K_S_F2,		"\233\061\061~"},
327     {K_S_F3,		"\233\061\062~"},
328     {K_S_F4,		"\233\061\063~"},
329     {K_S_F5,		"\233\061\064~"},
330     {K_S_F6,		"\233\061\065~"},
331     {K_S_F7,		"\233\061\066~"},
332     {K_S_F8,		"\233\061\067~"},
333     {K_S_F9,		"\233\061\070~"},
334     {K_S_F10,		"\233\061\071~"},
335     {K_HELP,		"\233?~"},
336     {K_INS,		"\233\064\060~"},	/* 101 key keyboard */
337     {K_PAGEUP,		"\233\064\061~"},	/* 101 key keyboard */
338     {K_PAGEDOWN,	"\233\064\062~"},	/* 101 key keyboard */
339     {K_HOME,		"\233\064\064~"},	/* 101 key keyboard */
340     {K_END,		"\233\064\065~"},	/* 101 key keyboard */
341 
342     {BT_EXTRA_KEYS,	""},
343     {TERMCAP2KEY('#', '2'), "\233\065\064~"},	/* shifted home key */
344     {TERMCAP2KEY('#', '3'), "\233\065\060~"},	/* shifted insert key */
345     {TERMCAP2KEY('*', '7'), "\233\065\065~"},	/* shifted end key */
346 # endif
347 
348 # if defined(__BEOS__) || defined(ALL_BUILTIN_TCAPS)
349 /*
350  * almost standard ANSI terminal, default for bebox
351  */
352     {(int)KS_NAME,	"beos-ansi"},
353     {(int)KS_CE,	"\033[K"},
354     {(int)KS_CD,	"\033[J"},
355     {(int)KS_AL,	"\033[L"},
356 #  ifdef TERMINFO
357     {(int)KS_CAL,	"\033[%p1%dL"},
358 #  else
359     {(int)KS_CAL,	"\033[%dL"},
360 #  endif
361     {(int)KS_DL,	"\033[M"},
362 #  ifdef TERMINFO
363     {(int)KS_CDL,	"\033[%p1%dM"},
364 #  else
365     {(int)KS_CDL,	"\033[%dM"},
366 #  endif
367 #ifdef BEOS_PR_OR_BETTER
368 #  ifdef TERMINFO
369     {(int)KS_CS,	"\033[%i%p1%d;%p2%dr"},
370 #  else
371     {(int)KS_CS,	"\033[%i%d;%dr"},	/* scroll region */
372 #  endif
373 #endif
374     {(int)KS_CL,	"\033[H\033[2J"},
375 #ifdef notyet
376     {(int)KS_VI,	"[VI]"}, /* cursor invisible, VT320: CSI ? 25 l */
377     {(int)KS_VE,	"[VE]"}, /* cursor visible, VT320: CSI ? 25 h */
378 #endif
379     {(int)KS_ME,	"\033[m"},	/* normal mode */
380     {(int)KS_MR,	"\033[7m"},	/* reverse */
381     {(int)KS_MD,	"\033[1m"},	/* bold */
382     {(int)KS_SO,	"\033[31m"},	/* standout mode: red */
383     {(int)KS_SE,	"\033[m"},	/* standout end */
384     {(int)KS_CZH,	"\033[35m"},	/* italic: purple */
385     {(int)KS_CZR,	"\033[m"},	/* italic end */
386     {(int)KS_US,	"\033[4m"},	/* underscore mode */
387     {(int)KS_UE,	"\033[m"},	/* underscore end */
388     {(int)KS_CCO,	"8"},		/* allow 8 colors */
389 #  ifdef TERMINFO
390     {(int)KS_CAB,	"\033[4%p1%dm"},/* set background color */
391     {(int)KS_CAF,	"\033[3%p1%dm"},/* set foreground color */
392 #  else
393     {(int)KS_CAB,	"\033[4%dm"},	/* set background color */
394     {(int)KS_CAF,	"\033[3%dm"},	/* set foreground color */
395 #  endif
396     {(int)KS_OP,	"\033[m"},	/* reset colors */
397     {(int)KS_MS,	"y"},		/* safe to move cur in reverse mode */
398     {(int)KS_UT,	"y"},		/* guessed */
399     {(int)KS_LE,	"\b"},
400 #  ifdef TERMINFO
401     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
402 #  else
403     {(int)KS_CM,	"\033[%i%d;%dH"},
404 #  endif
405     {(int)KS_SR,	"\033M"},
406 #  ifdef TERMINFO
407     {(int)KS_CRI,	"\033[%p1%dC"},
408 #  else
409     {(int)KS_CRI,	"\033[%dC"},
410 #  endif
411 #  if defined(BEOS_DR8)
412     {(int)KS_DB,	""},		/* hack! see screen.c */
413 #  endif
414 
415     {K_UP,		"\033[A"},
416     {K_DOWN,		"\033[B"},
417     {K_LEFT,		"\033[D"},
418     {K_RIGHT,		"\033[C"},
419 # endif
420 
421 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS) || defined(SOME_BUILTIN_TCAPS)
422 /*
423  * standard ANSI terminal, default for unix
424  */
425     {(int)KS_NAME,	"ansi"},
426     {(int)KS_CE,	IF_EB("\033[K", ESC_STR "[K")},
427     {(int)KS_AL,	IF_EB("\033[L", ESC_STR "[L")},
428 #  ifdef TERMINFO
429     {(int)KS_CAL,	IF_EB("\033[%p1%dL", ESC_STR "[%p1%dL")},
430 #  else
431     {(int)KS_CAL,	IF_EB("\033[%dL", ESC_STR "[%dL")},
432 #  endif
433     {(int)KS_DL,	IF_EB("\033[M", ESC_STR "[M")},
434 #  ifdef TERMINFO
435     {(int)KS_CDL,	IF_EB("\033[%p1%dM", ESC_STR "[%p1%dM")},
436 #  else
437     {(int)KS_CDL,	IF_EB("\033[%dM", ESC_STR "[%dM")},
438 #  endif
439     {(int)KS_CL,	IF_EB("\033[H\033[2J", ESC_STR "[H" ESC_STR_nc "[2J")},
440     {(int)KS_ME,	IF_EB("\033[0m", ESC_STR "[0m")},
441     {(int)KS_MR,	IF_EB("\033[7m", ESC_STR "[7m")},
442     {(int)KS_MS,	"y"},
443     {(int)KS_UT,	"y"},		/* guessed */
444     {(int)KS_LE,	"\b"},
445 #  ifdef TERMINFO
446     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH", ESC_STR "[%i%p1%d;%p2%dH")},
447 #  else
448     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
449 #  endif
450 #  ifdef TERMINFO
451     {(int)KS_CRI,	IF_EB("\033[%p1%dC", ESC_STR "[%p1%dC")},
452 #  else
453     {(int)KS_CRI,	IF_EB("\033[%dC", ESC_STR "[%dC")},
454 #  endif
455 # endif
456 
457 # if defined(ALL_BUILTIN_TCAPS)
458 /*
459  * These codes are valid when nansi.sys or equivalent has been installed.
460  * Function keys on a PC are preceded with a NUL. These are converted into
461  * K_NUL '\316' in mch_inchar(), because we cannot handle NULs in key codes.
462  * CTRL-arrow is used instead of SHIFT-arrow.
463  */
464     {(int)KS_NAME,	"pcansi"},
465     {(int)KS_DL,	"\033[M"},
466     {(int)KS_AL,	"\033[L"},
467     {(int)KS_CE,	"\033[K"},
468     {(int)KS_CL,	"\033[2J"},
469     {(int)KS_ME,	"\033[0m"},
470     {(int)KS_MR,	"\033[5m"},	/* reverse: black on lightgrey */
471     {(int)KS_MD,	"\033[1m"},	/* bold: white text */
472     {(int)KS_SE,	"\033[0m"},	/* standout end */
473     {(int)KS_SO,	"\033[31m"},	/* standout: white on blue */
474     {(int)KS_CZH,	"\033[34;43m"},	/* italic mode: blue text on yellow */
475     {(int)KS_CZR,	"\033[0m"},	/* italic mode end */
476     {(int)KS_US,	"\033[36;41m"},	/* underscore mode: cyan text on red */
477     {(int)KS_UE,	"\033[0m"},	/* underscore mode end */
478     {(int)KS_CCO,	"8"},		/* allow 8 colors */
479 #  ifdef TERMINFO
480     {(int)KS_CAB,	"\033[4%p1%dm"},/* set background color */
481     {(int)KS_CAF,	"\033[3%p1%dm"},/* set foreground color */
482 #  else
483     {(int)KS_CAB,	"\033[4%dm"},	/* set background color */
484     {(int)KS_CAF,	"\033[3%dm"},	/* set foreground color */
485 #  endif
486     {(int)KS_OP,	"\033[0m"},	/* reset colors */
487     {(int)KS_MS,	"y"},
488     {(int)KS_UT,	"y"},		/* guessed */
489     {(int)KS_LE,	"\b"},
490 #  ifdef TERMINFO
491     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
492 #  else
493     {(int)KS_CM,	"\033[%i%d;%dH"},
494 #  endif
495 #  ifdef TERMINFO
496     {(int)KS_CRI,	"\033[%p1%dC"},
497 #  else
498     {(int)KS_CRI,	"\033[%dC"},
499 #  endif
500     {K_UP,		"\316H"},
501     {K_DOWN,		"\316P"},
502     {K_LEFT,		"\316K"},
503     {K_RIGHT,		"\316M"},
504     {K_S_LEFT,		"\316s"},
505     {K_S_RIGHT,		"\316t"},
506     {K_F1,		"\316;"},
507     {K_F2,		"\316<"},
508     {K_F3,		"\316="},
509     {K_F4,		"\316>"},
510     {K_F5,		"\316?"},
511     {K_F6,		"\316@"},
512     {K_F7,		"\316A"},
513     {K_F8,		"\316B"},
514     {K_F9,		"\316C"},
515     {K_F10,		"\316D"},
516     {K_F11,		"\316\205"},	/* guessed */
517     {K_F12,		"\316\206"},	/* guessed */
518     {K_S_F1,		"\316T"},
519     {K_S_F2,		"\316U"},
520     {K_S_F3,		"\316V"},
521     {K_S_F4,		"\316W"},
522     {K_S_F5,		"\316X"},
523     {K_S_F6,		"\316Y"},
524     {K_S_F7,		"\316Z"},
525     {K_S_F8,		"\316["},
526     {K_S_F9,		"\316\\"},
527     {K_S_F10,		"\316]"},
528     {K_S_F11,		"\316\207"},	/* guessed */
529     {K_S_F12,		"\316\210"},	/* guessed */
530     {K_INS,		"\316R"},
531     {K_DEL,		"\316S"},
532     {K_HOME,		"\316G"},
533     {K_END,		"\316O"},
534     {K_PAGEDOWN,	"\316Q"},
535     {K_PAGEUP,		"\316I"},
536 # endif
537 
538 # if defined(WIN3264) || defined(ALL_BUILTIN_TCAPS)
539 /*
540  * These codes are valid for the Win32 Console .  The entries that start with
541  * ESC | are translated into console calls in os_win32.c.  The function keys
542  * are also translated in os_win32.c.
543  */
544     {(int)KS_NAME,	"win32"},
545     {(int)KS_CE,	"\033|K"},	/* clear to end of line */
546     {(int)KS_AL,	"\033|L"},	/* add new blank line */
547 #  ifdef TERMINFO
548     {(int)KS_CAL,	"\033|%p1%dL"},	/* add number of new blank lines */
549 #  else
550     {(int)KS_CAL,	"\033|%dL"},	/* add number of new blank lines */
551 #  endif
552     {(int)KS_DL,	"\033|M"},	/* delete line */
553 #  ifdef TERMINFO
554     {(int)KS_CDL,	"\033|%p1%dM"},	/* delete number of lines */
555 #  else
556     {(int)KS_CDL,	"\033|%dM"},	/* delete number of lines */
557 #  endif
558     {(int)KS_CL,	"\033|J"},	/* clear screen */
559     {(int)KS_CD,	"\033|j"},	/* clear to end of display */
560     {(int)KS_VI,	"\033|v"},	/* cursor invisible */
561     {(int)KS_VE,	"\033|V"},	/* cursor visible */
562 
563     {(int)KS_ME,	"\033|0m"},	/* normal */
564     {(int)KS_MR,	"\033|112m"},	/* reverse: black on lightgray */
565     {(int)KS_MD,	"\033|15m"},	/* bold: white on black */
566 #if 1
567     {(int)KS_SO,	"\033|31m"},	/* standout: white on blue */
568     {(int)KS_SE,	"\033|0m"},	/* standout end */
569 #else
570     {(int)KS_SO,	"\033|F"},	/* standout: high intensity */
571     {(int)KS_SE,	"\033|f"},	/* standout end */
572 #endif
573     {(int)KS_CZH,	"\033|225m"},	/* italic: blue text on yellow */
574     {(int)KS_CZR,	"\033|0m"},	/* italic end */
575     {(int)KS_US,	"\033|67m"},	/* underscore: cyan text on red */
576     {(int)KS_UE,	"\033|0m"},	/* underscore end */
577     {(int)KS_CCO,	"16"},		/* allow 16 colors */
578 #  ifdef TERMINFO
579     {(int)KS_CAB,	"\033|%p1%db"},	/* set background color */
580     {(int)KS_CAF,	"\033|%p1%df"},	/* set foreground color */
581 #  else
582     {(int)KS_CAB,	"\033|%db"},	/* set background color */
583     {(int)KS_CAF,	"\033|%df"},	/* set foreground color */
584 #  endif
585 
586     {(int)KS_MS,	"y"},		/* save to move cur in reverse mode */
587     {(int)KS_UT,	"y"},
588     {(int)KS_XN,	"y"},
589     {(int)KS_LE,	"\b"},
590 #  ifdef TERMINFO
591     {(int)KS_CM,	"\033|%i%p1%d;%p2%dH"},/* cursor motion */
592 #  else
593     {(int)KS_CM,	"\033|%i%d;%dH"},/* cursor motion */
594 #  endif
595     {(int)KS_VB,	"\033|B"},	/* visual bell */
596     {(int)KS_TI,	"\033|S"},	/* put terminal in termcap mode */
597     {(int)KS_TE,	"\033|E"},	/* out of termcap mode */
598 #  ifdef TERMINFO
599     {(int)KS_CS,	"\033|%i%p1%d;%p2%dr"},/* scroll region */
600 #  else
601     {(int)KS_CS,	"\033|%i%d;%dr"},/* scroll region */
602 #  endif
603 
604     {K_UP,		"\316H"},
605     {K_DOWN,		"\316P"},
606     {K_LEFT,		"\316K"},
607     {K_RIGHT,		"\316M"},
608     {K_S_UP,		"\316\304"},
609     {K_S_DOWN,		"\316\317"},
610     {K_S_LEFT,		"\316\311"},
611     {K_C_LEFT,		"\316s"},
612     {K_S_RIGHT,		"\316\313"},
613     {K_C_RIGHT,		"\316t"},
614     {K_S_TAB,		"\316\017"},
615     {K_F1,		"\316;"},
616     {K_F2,		"\316<"},
617     {K_F3,		"\316="},
618     {K_F4,		"\316>"},
619     {K_F5,		"\316?"},
620     {K_F6,		"\316@"},
621     {K_F7,		"\316A"},
622     {K_F8,		"\316B"},
623     {K_F9,		"\316C"},
624     {K_F10,		"\316D"},
625     {K_F11,		"\316\205"},
626     {K_F12,		"\316\206"},
627     {K_S_F1,		"\316T"},
628     {K_S_F2,		"\316U"},
629     {K_S_F3,		"\316V"},
630     {K_S_F4,		"\316W"},
631     {K_S_F5,		"\316X"},
632     {K_S_F6,		"\316Y"},
633     {K_S_F7,		"\316Z"},
634     {K_S_F8,		"\316["},
635     {K_S_F9,		"\316\\"},
636     {K_S_F10,		"\316]"},
637     {K_S_F11,		"\316\207"},
638     {K_S_F12,		"\316\210"},
639     {K_INS,		"\316R"},
640     {K_DEL,		"\316S"},
641     {K_HOME,		"\316G"},
642     {K_S_HOME,		"\316\302"},
643     {K_C_HOME,		"\316w"},
644     {K_END,		"\316O"},
645     {K_S_END,		"\316\315"},
646     {K_C_END,		"\316u"},
647     {K_PAGEDOWN,	"\316Q"},
648     {K_PAGEUP,		"\316I"},
649     {K_KPLUS,		"\316N"},
650     {K_KMINUS,		"\316J"},
651     {K_KMULTIPLY,	"\316\067"},
652     {K_K0,		"\316\332"},
653     {K_K1,		"\316\336"},
654     {K_K2,		"\316\342"},
655     {K_K3,		"\316\346"},
656     {K_K4,		"\316\352"},
657     {K_K5,		"\316\356"},
658     {K_K6,		"\316\362"},
659     {K_K7,		"\316\366"},
660     {K_K8,		"\316\372"},
661     {K_K9,		"\316\376"},
662 # endif
663 
664 # if defined(VMS) || defined(ALL_BUILTIN_TCAPS)
665 /*
666  * VT320 is working as an ANSI terminal compatible DEC terminal.
667  * (it covers VT1x0, VT2x0 and VT3x0 up to VT320 on VMS as well)
668  * Note: K_F1...K_F5 are for internal use, should not be defined.
669  * TODO:- rewrite ESC[ codes to CSI
670  *      - keyboard languages (CSI ? 26 n)
671  */
672     {(int)KS_NAME,	"vt320"},
673     {(int)KS_CE,	IF_EB("\033[K", ESC_STR "[K")},
674     {(int)KS_AL,	IF_EB("\033[L", ESC_STR "[L")},
675 #  ifdef TERMINFO
676     {(int)KS_CAL,	IF_EB("\033[%p1%dL", ESC_STR "[%p1%dL")},
677 #  else
678     {(int)KS_CAL,	IF_EB("\033[%dL", ESC_STR "[%dL")},
679 #  endif
680     {(int)KS_DL,	IF_EB("\033[M", ESC_STR "[M")},
681 #  ifdef TERMINFO
682     {(int)KS_CDL,	IF_EB("\033[%p1%dM", ESC_STR "[%p1%dM")},
683 #  else
684     {(int)KS_CDL,	IF_EB("\033[%dM", ESC_STR "[%dM")},
685 #  endif
686     {(int)KS_CL,	IF_EB("\033[H\033[2J", ESC_STR "[H" ESC_STR_nc "[2J")},
687     {(int)KS_CD,	IF_EB("\033[J", ESC_STR "[J")},
688     {(int)KS_CCO,	"8"},			/* allow 8 colors */
689     {(int)KS_ME,	IF_EB("\033[0m", ESC_STR "[0m")},
690     {(int)KS_MR,	IF_EB("\033[7m", ESC_STR "[7m")},
691     {(int)KS_MD,	IF_EB("\033[1m", ESC_STR "[1m")},  /* bold mode */
692     {(int)KS_SE,	IF_EB("\033[22m", ESC_STR "[22m")},/* normal mode */
693     {(int)KS_UE,	IF_EB("\033[24m", ESC_STR "[24m")},/* exit underscore mode */
694     {(int)KS_US,	IF_EB("\033[4m", ESC_STR "[4m")},  /* underscore mode */
695     {(int)KS_CZH,	IF_EB("\033[34;43m", ESC_STR "[34;43m")},  /* italic mode: blue text on yellow */
696     {(int)KS_CZR,	IF_EB("\033[0m", ESC_STR "[0m")},	    /* italic mode end */
697     {(int)KS_CAB,	IF_EB("\033[4%dm", ESC_STR "[4%dm")},	    /* set background color (ANSI) */
698     {(int)KS_CAF,	IF_EB("\033[3%dm", ESC_STR "[3%dm")},	    /* set foreground color (ANSI) */
699     {(int)KS_CSB,	IF_EB("\033[102;%dm", ESC_STR "[102;%dm")},	/* set screen background color */
700     {(int)KS_CSF,	IF_EB("\033[101;%dm", ESC_STR "[101;%dm")},	/* set screen foreground color */
701     {(int)KS_MS,	"y"},
702     {(int)KS_UT,	"y"},
703     {(int)KS_XN,	"y"},
704     {(int)KS_LE,	"\b"},
705 #  ifdef TERMINFO
706     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
707 						  ESC_STR "[%i%p1%d;%p2%dH")},
708 #  else
709     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
710 #  endif
711 #  ifdef TERMINFO
712     {(int)KS_CRI,	IF_EB("\033[%p1%dC", ESC_STR "[%p1%dC")},
713 #  else
714     {(int)KS_CRI,	IF_EB("\033[%dC", ESC_STR "[%dC")},
715 #  endif
716     {K_UP,		IF_EB("\033[A", ESC_STR "[A")},
717     {K_DOWN,		IF_EB("\033[B", ESC_STR "[B")},
718     {K_RIGHT,		IF_EB("\033[C", ESC_STR "[C")},
719     {K_LEFT,		IF_EB("\033[D", ESC_STR "[D")},
720     {K_F1,		IF_EB("\033[11~", ESC_STR "[11~")},
721     {K_F2,		IF_EB("\033[12~", ESC_STR "[12~")},
722     {K_F3,		IF_EB("\033[13~", ESC_STR "[13~")},
723     {K_F4,		IF_EB("\033[14~", ESC_STR "[14~")},
724     {K_F5,		IF_EB("\033[15~", ESC_STR "[15~")},
725     {K_F6,		IF_EB("\033[17~", ESC_STR "[17~")},
726     {K_F7,		IF_EB("\033[18~", ESC_STR "[18~")},
727     {K_F8,		IF_EB("\033[19~", ESC_STR "[19~")},
728     {K_F9,		IF_EB("\033[20~", ESC_STR "[20~")},
729     {K_F10,		IF_EB("\033[21~", ESC_STR "[21~")},
730     {K_F11,		IF_EB("\033[23~", ESC_STR "[23~")},
731     {K_F12,		IF_EB("\033[24~", ESC_STR "[24~")},
732     {K_F13,		IF_EB("\033[25~", ESC_STR "[25~")},
733     {K_F14,		IF_EB("\033[26~", ESC_STR "[26~")},
734     {K_F15,		IF_EB("\033[28~", ESC_STR "[28~")},	/* Help */
735     {K_F16,		IF_EB("\033[29~", ESC_STR "[29~")},	/* Select */
736     {K_F17,		IF_EB("\033[31~", ESC_STR "[31~")},
737     {K_F18,		IF_EB("\033[32~", ESC_STR "[32~")},
738     {K_F19,		IF_EB("\033[33~", ESC_STR "[33~")},
739     {K_F20,		IF_EB("\033[34~", ESC_STR "[34~")},
740     {K_INS,		IF_EB("\033[2~", ESC_STR "[2~")},
741     {K_DEL,		IF_EB("\033[3~", ESC_STR "[3~")},
742     {K_HOME,		IF_EB("\033[1~", ESC_STR "[1~")},
743     {K_END,		IF_EB("\033[4~", ESC_STR "[4~")},
744     {K_PAGEUP,		IF_EB("\033[5~", ESC_STR "[5~")},
745     {K_PAGEDOWN,	IF_EB("\033[6~", ESC_STR "[6~")},
746     {K_KPLUS,		IF_EB("\033Ok", ESC_STR "Ok")},	/* keypad plus */
747     {K_KMINUS,		IF_EB("\033Om", ESC_STR "Om")},	/* keypad minus */
748     {K_KDIVIDE,		IF_EB("\033Oo", ESC_STR "Oo")},	/* keypad / */
749     {K_KMULTIPLY,	IF_EB("\033Oj", ESC_STR "Oj")},	/* keypad * */
750     {K_KENTER,		IF_EB("\033OM", ESC_STR "OM")},	/* keypad Enter */
751     {K_BS,		"\x7f"},	/* for some reason 0177 doesn't work */
752 # endif
753 
754 # if defined(ALL_BUILTIN_TCAPS) || defined(__MINT__)
755 /*
756  * Ordinary vt52
757  */
758     {(int)KS_NAME,	"vt52"},
759     {(int)KS_CE,	IF_EB("\033K", ESC_STR "K")},
760     {(int)KS_CD,	IF_EB("\033J", ESC_STR "J")},
761 #  ifdef TERMINFO
762     {(int)KS_CM,	IF_EB("\033Y%p1%' '%+%c%p2%' '%+%c",
763 			    ESC_STR "Y%p1%' '%+%c%p2%' '%+%c")},
764 #  else
765     {(int)KS_CM,	IF_EB("\033Y%+ %+ ", ESC_STR "Y%+ %+ ")},
766 #  endif
767     {(int)KS_LE,	"\b"},
768     {(int)KS_SR,	IF_EB("\033I", ESC_STR "I")},
769     {(int)KS_AL,	IF_EB("\033L", ESC_STR "L")},
770     {(int)KS_DL,	IF_EB("\033M", ESC_STR "M")},
771     {K_UP,		IF_EB("\033A", ESC_STR "A")},
772     {K_DOWN,		IF_EB("\033B", ESC_STR "B")},
773     {K_LEFT,		IF_EB("\033D", ESC_STR "D")},
774     {K_RIGHT,		IF_EB("\033C", ESC_STR "C")},
775     {K_F1,		IF_EB("\033P", ESC_STR "P")},
776     {K_F2,		IF_EB("\033Q", ESC_STR "Q")},
777     {K_F3,		IF_EB("\033R", ESC_STR "R")},
778 #  ifdef __MINT__
779     {(int)KS_CL,	IF_EB("\033E", ESC_STR "E")},
780     {(int)KS_VE,	IF_EB("\033e", ESC_STR "e")},
781     {(int)KS_VI,	IF_EB("\033f", ESC_STR "f")},
782     {(int)KS_SO,	IF_EB("\033p", ESC_STR "p")},
783     {(int)KS_SE,	IF_EB("\033q", ESC_STR "q")},
784     {K_S_UP,		IF_EB("\033a", ESC_STR "a")},
785     {K_S_DOWN,		IF_EB("\033b", ESC_STR "b")},
786     {K_S_LEFT,		IF_EB("\033d", ESC_STR "d")},
787     {K_S_RIGHT,		IF_EB("\033c", ESC_STR "c")},
788     {K_F4,		IF_EB("\033S", ESC_STR "S")},
789     {K_F5,		IF_EB("\033T", ESC_STR "T")},
790     {K_F6,		IF_EB("\033U", ESC_STR "U")},
791     {K_F7,		IF_EB("\033V", ESC_STR "V")},
792     {K_F8,		IF_EB("\033W", ESC_STR "W")},
793     {K_F9,		IF_EB("\033X", ESC_STR "X")},
794     {K_F10,		IF_EB("\033Y", ESC_STR "Y")},
795     {K_S_F1,		IF_EB("\033p", ESC_STR "p")},
796     {K_S_F2,		IF_EB("\033q", ESC_STR "q")},
797     {K_S_F3,		IF_EB("\033r", ESC_STR "r")},
798     {K_S_F4,		IF_EB("\033s", ESC_STR "s")},
799     {K_S_F5,		IF_EB("\033t", ESC_STR "t")},
800     {K_S_F6,		IF_EB("\033u", ESC_STR "u")},
801     {K_S_F7,		IF_EB("\033v", ESC_STR "v")},
802     {K_S_F8,		IF_EB("\033w", ESC_STR "w")},
803     {K_S_F9,		IF_EB("\033x", ESC_STR "x")},
804     {K_S_F10,		IF_EB("\033y", ESC_STR "y")},
805     {K_INS,		IF_EB("\033I", ESC_STR "I")},
806     {K_HOME,		IF_EB("\033E", ESC_STR "E")},
807     {K_PAGEDOWN,	IF_EB("\033b", ESC_STR "b")},
808     {K_PAGEUP,		IF_EB("\033a", ESC_STR "a")},
809 #  else
810     {(int)KS_CL,	IF_EB("\033H\033J", ESC_STR "H" ESC_STR_nc "J")},
811     {(int)KS_MS,	"y"},
812 #  endif
813 # endif
814 
815 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS) || defined(SOME_BUILTIN_TCAPS)
816     {(int)KS_NAME,	"xterm"},
817     {(int)KS_CE,	IF_EB("\033[K", ESC_STR "[K")},
818     {(int)KS_AL,	IF_EB("\033[L", ESC_STR "[L")},
819 #  ifdef TERMINFO
820     {(int)KS_CAL,	IF_EB("\033[%p1%dL", ESC_STR "[%p1%dL")},
821 #  else
822     {(int)KS_CAL,	IF_EB("\033[%dL", ESC_STR "[%dL")},
823 #  endif
824     {(int)KS_DL,	IF_EB("\033[M", ESC_STR "[M")},
825 #  ifdef TERMINFO
826     {(int)KS_CDL,	IF_EB("\033[%p1%dM", ESC_STR "[%p1%dM")},
827 #  else
828     {(int)KS_CDL,	IF_EB("\033[%dM", ESC_STR "[%dM")},
829 #  endif
830 #  ifdef TERMINFO
831     {(int)KS_CS,	IF_EB("\033[%i%p1%d;%p2%dr",
832 						  ESC_STR "[%i%p1%d;%p2%dr")},
833 #  else
834     {(int)KS_CS,	IF_EB("\033[%i%d;%dr", ESC_STR "[%i%d;%dr")},
835 #  endif
836     {(int)KS_CL,	IF_EB("\033[H\033[2J", ESC_STR "[H" ESC_STR_nc "[2J")},
837     {(int)KS_CD,	IF_EB("\033[J", ESC_STR "[J")},
838     {(int)KS_ME,	IF_EB("\033[m", ESC_STR "[m")},
839     {(int)KS_MR,	IF_EB("\033[7m", ESC_STR "[7m")},
840     {(int)KS_MD,	IF_EB("\033[1m", ESC_STR "[1m")},
841     {(int)KS_UE,	IF_EB("\033[m", ESC_STR "[m")},
842     {(int)KS_US,	IF_EB("\033[4m", ESC_STR "[4m")},
843     {(int)KS_STE,	IF_EB("\033[29m", ESC_STR "[29m")},
844     {(int)KS_STS,	IF_EB("\033[9m", ESC_STR "[9m")},
845     {(int)KS_MS,	"y"},
846     {(int)KS_UT,	"y"},
847     {(int)KS_LE,	"\b"},
848     {(int)KS_VI,	IF_EB("\033[?25l", ESC_STR "[?25l")},
849     {(int)KS_VE,	IF_EB("\033[?25h", ESC_STR "[?25h")},
850     {(int)KS_VS,	IF_EB("\033[?12h", ESC_STR "[?12h")},
851     {(int)KS_CVS,	IF_EB("\033[?12l", ESC_STR "[?12l")},
852 #  ifdef TERMINFO
853     {(int)KS_CSH,	IF_EB("\033[%p1%d q", ESC_STR "[%p1%d q")},
854 #  else
855     {(int)KS_CSH,	IF_EB("\033[%d q", ESC_STR "[%d q")},
856 #  endif
857     {(int)KS_CRC,	IF_EB("\033[?12$p", ESC_STR "[?12$p")},
858     {(int)KS_CRS,	IF_EB("\033P$q q\033\\", ESC_STR "P$q q" ESC_STR "\\")},
859 #  ifdef TERMINFO
860     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
861 						  ESC_STR "[%i%p1%d;%p2%dH")},
862 #  else
863     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
864 #  endif
865     {(int)KS_SR,	IF_EB("\033M", ESC_STR "M")},
866 #  ifdef TERMINFO
867     {(int)KS_CRI,	IF_EB("\033[%p1%dC", ESC_STR "[%p1%dC")},
868 #  else
869     {(int)KS_CRI,	IF_EB("\033[%dC", ESC_STR "[%dC")},
870 #  endif
871     {(int)KS_KS,	IF_EB("\033[?1h\033=", ESC_STR "[?1h" ESC_STR_nc "=")},
872     {(int)KS_KE,	IF_EB("\033[?1l\033>", ESC_STR "[?1l" ESC_STR_nc ">")},
873 #  ifdef FEAT_XTERM_SAVE
874     {(int)KS_TI,	IF_EB("\0337\033[?47h", ESC_STR "7" ESC_STR_nc "[?47h")},
875     {(int)KS_TE,	IF_EB("\033[2J\033[?47l\0338",
876 				  ESC_STR "[2J" ESC_STR_nc "[?47l" ESC_STR_nc "8")},
877 #  endif
878     {(int)KS_CIS,	IF_EB("\033]1;", ESC_STR "]1;")},
879     {(int)KS_CIE,	"\007"},
880     {(int)KS_TS,	IF_EB("\033]2;", ESC_STR "]2;")},
881     {(int)KS_FS,	"\007"},
882     {(int)KS_CSC,	IF_EB("\033]12;", ESC_STR "]12;")},
883     {(int)KS_CEC,	"\007"},
884 #  ifdef TERMINFO
885     {(int)KS_CWS,	IF_EB("\033[8;%p1%d;%p2%dt",
886 						  ESC_STR "[8;%p1%d;%p2%dt")},
887     {(int)KS_CWP,	IF_EB("\033[3;%p1%d;%p2%dt",
888 						  ESC_STR "[3;%p1%d;%p2%dt")},
889     {(int)KS_CGP,	IF_EB("\033[13t", ESC_STR "[13t")},
890 #  else
891     {(int)KS_CWS,	IF_EB("\033[8;%d;%dt", ESC_STR "[8;%d;%dt")},
892     {(int)KS_CWP,	IF_EB("\033[3;%d;%dt", ESC_STR "[3;%d;%dt")},
893     {(int)KS_CGP,	IF_EB("\033[13t", ESC_STR "[13t")},
894 #  endif
895     {(int)KS_CRV,	IF_EB("\033[>c", ESC_STR "[>c")},
896     {(int)KS_RFG,	IF_EB("\033]10;?\007", ESC_STR "]10;?\007")},
897     {(int)KS_RBG,	IF_EB("\033]11;?\007", ESC_STR "]11;?\007")},
898     {(int)KS_U7,	IF_EB("\033[6n", ESC_STR "[6n")},
899 #  ifdef FEAT_TERMGUICOLORS
900     /* These are printf strings, not terminal codes. */
901     {(int)KS_8F,	IF_EB("\033[38;2;%lu;%lu;%lum", ESC_STR "[38;2;%lu;%lu;%lum")},
902     {(int)KS_8B,	IF_EB("\033[48;2;%lu;%lu;%lum", ESC_STR "[48;2;%lu;%lu;%lum")},
903 #  endif
904     {(int)KS_CBE,	IF_EB("\033[?2004h", ESC_STR "[?2004h")},
905     {(int)KS_CBD,	IF_EB("\033[?2004l", ESC_STR "[?2004l")},
906 
907     {K_UP,		IF_EB("\033O*A", ESC_STR "O*A")},
908     {K_DOWN,		IF_EB("\033O*B", ESC_STR "O*B")},
909     {K_RIGHT,		IF_EB("\033O*C", ESC_STR "O*C")},
910     {K_LEFT,		IF_EB("\033O*D", ESC_STR "O*D")},
911     /* An extra set of cursor keys for vt100 mode */
912     {K_XUP,		IF_EB("\033[1;*A", ESC_STR "[1;*A")},
913     {K_XDOWN,		IF_EB("\033[1;*B", ESC_STR "[1;*B")},
914     {K_XRIGHT,		IF_EB("\033[1;*C", ESC_STR "[1;*C")},
915     {K_XLEFT,		IF_EB("\033[1;*D", ESC_STR "[1;*D")},
916     /* An extra set of function keys for vt100 mode */
917     {K_XF1,		IF_EB("\033O*P", ESC_STR "O*P")},
918     {K_XF2,		IF_EB("\033O*Q", ESC_STR "O*Q")},
919     {K_XF3,		IF_EB("\033O*R", ESC_STR "O*R")},
920     {K_XF4,		IF_EB("\033O*S", ESC_STR "O*S")},
921     {K_F1,		IF_EB("\033[11;*~", ESC_STR "[11;*~")},
922     {K_F2,		IF_EB("\033[12;*~", ESC_STR "[12;*~")},
923     {K_F3,		IF_EB("\033[13;*~", ESC_STR "[13;*~")},
924     {K_F4,		IF_EB("\033[14;*~", ESC_STR "[14;*~")},
925     {K_F5,		IF_EB("\033[15;*~", ESC_STR "[15;*~")},
926     {K_F6,		IF_EB("\033[17;*~", ESC_STR "[17;*~")},
927     {K_F7,		IF_EB("\033[18;*~", ESC_STR "[18;*~")},
928     {K_F8,		IF_EB("\033[19;*~", ESC_STR "[19;*~")},
929     {K_F9,		IF_EB("\033[20;*~", ESC_STR "[20;*~")},
930     {K_F10,		IF_EB("\033[21;*~", ESC_STR "[21;*~")},
931     {K_F11,		IF_EB("\033[23;*~", ESC_STR "[23;*~")},
932     {K_F12,		IF_EB("\033[24;*~", ESC_STR "[24;*~")},
933     {K_S_TAB,		IF_EB("\033[Z", ESC_STR "[Z")},
934     {K_HELP,		IF_EB("\033[28;*~", ESC_STR "[28;*~")},
935     {K_UNDO,		IF_EB("\033[26;*~", ESC_STR "[26;*~")},
936     {K_INS,		IF_EB("\033[2;*~", ESC_STR "[2;*~")},
937     {K_HOME,		IF_EB("\033[1;*H", ESC_STR "[1;*H")},
938     /* {K_S_HOME,		IF_EB("\033O2H", ESC_STR "O2H")}, */
939     /* {K_C_HOME,		IF_EB("\033O5H", ESC_STR "O5H")}, */
940     {K_KHOME,		IF_EB("\033[1;*~", ESC_STR "[1;*~")},
941     {K_XHOME,		IF_EB("\033O*H", ESC_STR "O*H")},	/* other Home */
942     {K_ZHOME,		IF_EB("\033[7;*~", ESC_STR "[7;*~")},	/* other Home */
943     {K_END,		IF_EB("\033[1;*F", ESC_STR "[1;*F")},
944     /* {K_S_END,		IF_EB("\033O2F", ESC_STR "O2F")}, */
945     /* {K_C_END,		IF_EB("\033O5F", ESC_STR "O5F")}, */
946     {K_KEND,		IF_EB("\033[4;*~", ESC_STR "[4;*~")},
947     {K_XEND,		IF_EB("\033O*F", ESC_STR "O*F")},	/* other End */
948     {K_ZEND,		IF_EB("\033[8;*~", ESC_STR "[8;*~")},
949     {K_PAGEUP,		IF_EB("\033[5;*~", ESC_STR "[5;*~")},
950     {K_PAGEDOWN,	IF_EB("\033[6;*~", ESC_STR "[6;*~")},
951     {K_KPLUS,		IF_EB("\033O*k", ESC_STR "O*k")},     /* keypad plus */
952     {K_KMINUS,		IF_EB("\033O*m", ESC_STR "O*m")},     /* keypad minus */
953     {K_KDIVIDE,		IF_EB("\033O*o", ESC_STR "O*o")},     /* keypad / */
954     {K_KMULTIPLY,	IF_EB("\033O*j", ESC_STR "O*j")},     /* keypad * */
955     {K_KENTER,		IF_EB("\033O*M", ESC_STR "O*M")},     /* keypad Enter */
956     {K_KPOINT,		IF_EB("\033O*n", ESC_STR "O*n")},     /* keypad . */
957     {K_KDEL,		IF_EB("\033[3;*~", ESC_STR "[3;*~")}, /* keypad Del */
958     {K_PS,		IF_EB("\033[200~", ESC_STR "[200~")}, /* paste start */
959     {K_PE,		IF_EB("\033[201~", ESC_STR "[201~")}, /* paste end */
960 
961     {BT_EXTRA_KEYS,   ""},
962     {TERMCAP2KEY('k', '0'), IF_EB("\033[10;*~", ESC_STR "[10;*~")}, /* F0 */
963     {TERMCAP2KEY('F', '3'), IF_EB("\033[25;*~", ESC_STR "[25;*~")}, /* F13 */
964     /* F14 and F15 are missing, because they send the same codes as the undo
965      * and help key, although they don't work on all keyboards. */
966     {TERMCAP2KEY('F', '6'), IF_EB("\033[29;*~", ESC_STR "[29;*~")}, /* F16 */
967     {TERMCAP2KEY('F', '7'), IF_EB("\033[31;*~", ESC_STR "[31;*~")}, /* F17 */
968     {TERMCAP2KEY('F', '8'), IF_EB("\033[32;*~", ESC_STR "[32;*~")}, /* F18 */
969     {TERMCAP2KEY('F', '9'), IF_EB("\033[33;*~", ESC_STR "[33;*~")}, /* F19 */
970     {TERMCAP2KEY('F', 'A'), IF_EB("\033[34;*~", ESC_STR "[34;*~")}, /* F20 */
971 
972     {TERMCAP2KEY('F', 'B'), IF_EB("\033[42;*~", ESC_STR "[42;*~")}, /* F21 */
973     {TERMCAP2KEY('F', 'C'), IF_EB("\033[43;*~", ESC_STR "[43;*~")}, /* F22 */
974     {TERMCAP2KEY('F', 'D'), IF_EB("\033[44;*~", ESC_STR "[44;*~")}, /* F23 */
975     {TERMCAP2KEY('F', 'E'), IF_EB("\033[45;*~", ESC_STR "[45;*~")}, /* F24 */
976     {TERMCAP2KEY('F', 'F'), IF_EB("\033[46;*~", ESC_STR "[46;*~")}, /* F25 */
977     {TERMCAP2KEY('F', 'G'), IF_EB("\033[47;*~", ESC_STR "[47;*~")}, /* F26 */
978     {TERMCAP2KEY('F', 'H'), IF_EB("\033[48;*~", ESC_STR "[48;*~")}, /* F27 */
979     {TERMCAP2KEY('F', 'I'), IF_EB("\033[49;*~", ESC_STR "[49;*~")}, /* F28 */
980     {TERMCAP2KEY('F', 'J'), IF_EB("\033[50;*~", ESC_STR "[50;*~")}, /* F29 */
981     {TERMCAP2KEY('F', 'K'), IF_EB("\033[51;*~", ESC_STR "[51;*~")}, /* F30 */
982 
983     {TERMCAP2KEY('F', 'L'), IF_EB("\033[52;*~", ESC_STR "[52;*~")}, /* F31 */
984     {TERMCAP2KEY('F', 'M'), IF_EB("\033[53;*~", ESC_STR "[53;*~")}, /* F32 */
985     {TERMCAP2KEY('F', 'N'), IF_EB("\033[54;*~", ESC_STR "[54;*~")}, /* F33 */
986     {TERMCAP2KEY('F', 'O'), IF_EB("\033[55;*~", ESC_STR "[55;*~")}, /* F34 */
987     {TERMCAP2KEY('F', 'P'), IF_EB("\033[56;*~", ESC_STR "[56;*~")}, /* F35 */
988     {TERMCAP2KEY('F', 'Q'), IF_EB("\033[57;*~", ESC_STR "[57;*~")}, /* F36 */
989     {TERMCAP2KEY('F', 'R'), IF_EB("\033[58;*~", ESC_STR "[58;*~")}, /* F37 */
990 # endif
991 
992 # if defined(UNIX) || defined(ALL_BUILTIN_TCAPS)
993 /*
994  * iris-ansi for Silicon Graphics machines.
995  */
996     {(int)KS_NAME,	"iris-ansi"},
997     {(int)KS_CE,	"\033[K"},
998     {(int)KS_CD,	"\033[J"},
999     {(int)KS_AL,	"\033[L"},
1000 #  ifdef TERMINFO
1001     {(int)KS_CAL,	"\033[%p1%dL"},
1002 #  else
1003     {(int)KS_CAL,	"\033[%dL"},
1004 #  endif
1005     {(int)KS_DL,	"\033[M"},
1006 #  ifdef TERMINFO
1007     {(int)KS_CDL,	"\033[%p1%dM"},
1008 #  else
1009     {(int)KS_CDL,	"\033[%dM"},
1010 #  endif
1011 #if 0	/* The scroll region is not working as Vim expects. */
1012 #  ifdef TERMINFO
1013     {(int)KS_CS,	"\033[%i%p1%d;%p2%dr"},
1014 #  else
1015     {(int)KS_CS,	"\033[%i%d;%dr"},
1016 #  endif
1017 #endif
1018     {(int)KS_CL,	"\033[H\033[2J"},
1019     {(int)KS_VE,	"\033[9/y\033[12/y"},	/* These aren't documented */
1020     {(int)KS_VS,	"\033[10/y\033[=1h\033[=2l"}, /* These aren't documented */
1021     {(int)KS_TI,	"\033[=6h"},
1022     {(int)KS_TE,	"\033[=6l"},
1023     {(int)KS_SE,	"\033[21;27m"},
1024     {(int)KS_SO,	"\033[1;7m"},
1025     {(int)KS_ME,	"\033[m"},
1026     {(int)KS_MR,	"\033[7m"},
1027     {(int)KS_MD,	"\033[1m"},
1028     {(int)KS_CCO,	"8"},			/* allow 8 colors */
1029     {(int)KS_CZH,	"\033[3m"},		/* italic mode on */
1030     {(int)KS_CZR,	"\033[23m"},		/* italic mode off */
1031     {(int)KS_US,	"\033[4m"},		/* underline on */
1032     {(int)KS_UE,	"\033[24m"},		/* underline off */
1033 #  ifdef TERMINFO
1034     {(int)KS_CAB,	"\033[4%p1%dm"},    /* set background color (ANSI) */
1035     {(int)KS_CAF,	"\033[3%p1%dm"},    /* set foreground color (ANSI) */
1036     {(int)KS_CSB,	"\033[102;%p1%dm"}, /* set screen background color */
1037     {(int)KS_CSF,	"\033[101;%p1%dm"}, /* set screen foreground color */
1038 #  else
1039     {(int)KS_CAB,	"\033[4%dm"},	    /* set background color (ANSI) */
1040     {(int)KS_CAF,	"\033[3%dm"},	    /* set foreground color (ANSI) */
1041     {(int)KS_CSB,	"\033[102;%dm"},    /* set screen background color */
1042     {(int)KS_CSF,	"\033[101;%dm"},    /* set screen foreground color */
1043 #  endif
1044     {(int)KS_MS,	"y"},		/* guessed */
1045     {(int)KS_UT,	"y"},		/* guessed */
1046     {(int)KS_LE,	"\b"},
1047 #  ifdef TERMINFO
1048     {(int)KS_CM,	"\033[%i%p1%d;%p2%dH"},
1049 #  else
1050     {(int)KS_CM,	"\033[%i%d;%dH"},
1051 #  endif
1052     {(int)KS_SR,	"\033M"},
1053 #  ifdef TERMINFO
1054     {(int)KS_CRI,	"\033[%p1%dC"},
1055 #  else
1056     {(int)KS_CRI,	"\033[%dC"},
1057 #  endif
1058     {(int)KS_CIS,	"\033P3.y"},
1059     {(int)KS_CIE,	"\234"},    /* ST "String Terminator" */
1060     {(int)KS_TS,	"\033P1.y"},
1061     {(int)KS_FS,	"\234"},    /* ST "String Terminator" */
1062 #  ifdef TERMINFO
1063     {(int)KS_CWS,	"\033[203;%p1%d;%p2%d/y"},
1064     {(int)KS_CWP,	"\033[205;%p1%d;%p2%d/y"},
1065 #  else
1066     {(int)KS_CWS,	"\033[203;%d;%d/y"},
1067     {(int)KS_CWP,	"\033[205;%d;%d/y"},
1068 #  endif
1069     {K_UP,		"\033[A"},
1070     {K_DOWN,		"\033[B"},
1071     {K_LEFT,		"\033[D"},
1072     {K_RIGHT,		"\033[C"},
1073     {K_S_UP,		"\033[161q"},
1074     {K_S_DOWN,		"\033[164q"},
1075     {K_S_LEFT,		"\033[158q"},
1076     {K_S_RIGHT,		"\033[167q"},
1077     {K_F1,		"\033[001q"},
1078     {K_F2,		"\033[002q"},
1079     {K_F3,		"\033[003q"},
1080     {K_F4,		"\033[004q"},
1081     {K_F5,		"\033[005q"},
1082     {K_F6,		"\033[006q"},
1083     {K_F7,		"\033[007q"},
1084     {K_F8,		"\033[008q"},
1085     {K_F9,		"\033[009q"},
1086     {K_F10,		"\033[010q"},
1087     {K_F11,		"\033[011q"},
1088     {K_F12,		"\033[012q"},
1089     {K_S_F1,		"\033[013q"},
1090     {K_S_F2,		"\033[014q"},
1091     {K_S_F3,		"\033[015q"},
1092     {K_S_F4,		"\033[016q"},
1093     {K_S_F5,		"\033[017q"},
1094     {K_S_F6,		"\033[018q"},
1095     {K_S_F7,		"\033[019q"},
1096     {K_S_F8,		"\033[020q"},
1097     {K_S_F9,		"\033[021q"},
1098     {K_S_F10,		"\033[022q"},
1099     {K_S_F11,		"\033[023q"},
1100     {K_S_F12,		"\033[024q"},
1101     {K_INS,		"\033[139q"},
1102     {K_HOME,		"\033[H"},
1103     {K_END,		"\033[146q"},
1104     {K_PAGEUP,		"\033[150q"},
1105     {K_PAGEDOWN,	"\033[154q"},
1106 # endif
1107 
1108 # if defined(DEBUG) || defined(ALL_BUILTIN_TCAPS)
1109 /*
1110  * for debugging
1111  */
1112     {(int)KS_NAME,	"debug"},
1113     {(int)KS_CE,	"[CE]"},
1114     {(int)KS_CD,	"[CD]"},
1115     {(int)KS_AL,	"[AL]"},
1116 #  ifdef TERMINFO
1117     {(int)KS_CAL,	"[CAL%p1%d]"},
1118 #  else
1119     {(int)KS_CAL,	"[CAL%d]"},
1120 #  endif
1121     {(int)KS_DL,	"[DL]"},
1122 #  ifdef TERMINFO
1123     {(int)KS_CDL,	"[CDL%p1%d]"},
1124 #  else
1125     {(int)KS_CDL,	"[CDL%d]"},
1126 #  endif
1127 #  ifdef TERMINFO
1128     {(int)KS_CS,	"[%p1%dCS%p2%d]"},
1129 #  else
1130     {(int)KS_CS,	"[%dCS%d]"},
1131 #  endif
1132 #  ifdef TERMINFO
1133     {(int)KS_CSV,	"[%p1%dCSV%p2%d]"},
1134 #  else
1135     {(int)KS_CSV,	"[%dCSV%d]"},
1136 #  endif
1137 #  ifdef TERMINFO
1138     {(int)KS_CAB,	"[CAB%p1%d]"},
1139     {(int)KS_CAF,	"[CAF%p1%d]"},
1140     {(int)KS_CSB,	"[CSB%p1%d]"},
1141     {(int)KS_CSF,	"[CSF%p1%d]"},
1142 #  else
1143     {(int)KS_CAB,	"[CAB%d]"},
1144     {(int)KS_CAF,	"[CAF%d]"},
1145     {(int)KS_CSB,	"[CSB%d]"},
1146     {(int)KS_CSF,	"[CSF%d]"},
1147 #  endif
1148     {(int)KS_OP,	"[OP]"},
1149     {(int)KS_LE,	"[LE]"},
1150     {(int)KS_CL,	"[CL]"},
1151     {(int)KS_VI,	"[VI]"},
1152     {(int)KS_VE,	"[VE]"},
1153     {(int)KS_VS,	"[VS]"},
1154     {(int)KS_ME,	"[ME]"},
1155     {(int)KS_MR,	"[MR]"},
1156     {(int)KS_MB,	"[MB]"},
1157     {(int)KS_MD,	"[MD]"},
1158     {(int)KS_SE,	"[SE]"},
1159     {(int)KS_SO,	"[SO]"},
1160     {(int)KS_UE,	"[UE]"},
1161     {(int)KS_US,	"[US]"},
1162     {(int)KS_UCE,	"[UCE]"},
1163     {(int)KS_UCS,	"[UCS]"},
1164     {(int)KS_STE,	"[STE]"},
1165     {(int)KS_STS,	"[STS]"},
1166     {(int)KS_MS,	"[MS]"},
1167     {(int)KS_UT,	"[UT]"},
1168     {(int)KS_XN,	"[XN]"},
1169 #  ifdef TERMINFO
1170     {(int)KS_CM,	"[%p1%dCM%p2%d]"},
1171 #  else
1172     {(int)KS_CM,	"[%dCM%d]"},
1173 #  endif
1174     {(int)KS_SR,	"[SR]"},
1175 #  ifdef TERMINFO
1176     {(int)KS_CRI,	"[CRI%p1%d]"},
1177 #  else
1178     {(int)KS_CRI,	"[CRI%d]"},
1179 #  endif
1180     {(int)KS_VB,	"[VB]"},
1181     {(int)KS_KS,	"[KS]"},
1182     {(int)KS_KE,	"[KE]"},
1183     {(int)KS_TI,	"[TI]"},
1184     {(int)KS_TE,	"[TE]"},
1185     {(int)KS_CIS,	"[CIS]"},
1186     {(int)KS_CIE,	"[CIE]"},
1187     {(int)KS_CSC,	"[CSC]"},
1188     {(int)KS_CEC,	"[CEC]"},
1189     {(int)KS_TS,	"[TS]"},
1190     {(int)KS_FS,	"[FS]"},
1191 #  ifdef TERMINFO
1192     {(int)KS_CWS,	"[%p1%dCWS%p2%d]"},
1193     {(int)KS_CWP,	"[%p1%dCWP%p2%d]"},
1194 #  else
1195     {(int)KS_CWS,	"[%dCWS%d]"},
1196     {(int)KS_CWP,	"[%dCWP%d]"},
1197 #  endif
1198     {(int)KS_CRV,	"[CRV]"},
1199     {(int)KS_U7,	"[U7]"},
1200     {(int)KS_RFG,	"[RFG]"},
1201     {(int)KS_RBG,	"[RBG]"},
1202     {K_UP,		"[KU]"},
1203     {K_DOWN,		"[KD]"},
1204     {K_LEFT,		"[KL]"},
1205     {K_RIGHT,		"[KR]"},
1206     {K_XUP,		"[xKU]"},
1207     {K_XDOWN,		"[xKD]"},
1208     {K_XLEFT,		"[xKL]"},
1209     {K_XRIGHT,		"[xKR]"},
1210     {K_S_UP,		"[S-KU]"},
1211     {K_S_DOWN,		"[S-KD]"},
1212     {K_S_LEFT,		"[S-KL]"},
1213     {K_C_LEFT,		"[C-KL]"},
1214     {K_S_RIGHT,		"[S-KR]"},
1215     {K_C_RIGHT,		"[C-KR]"},
1216     {K_F1,		"[F1]"},
1217     {K_XF1,		"[xF1]"},
1218     {K_F2,		"[F2]"},
1219     {K_XF2,		"[xF2]"},
1220     {K_F3,		"[F3]"},
1221     {K_XF3,		"[xF3]"},
1222     {K_F4,		"[F4]"},
1223     {K_XF4,		"[xF4]"},
1224     {K_F5,		"[F5]"},
1225     {K_F6,		"[F6]"},
1226     {K_F7,		"[F7]"},
1227     {K_F8,		"[F8]"},
1228     {K_F9,		"[F9]"},
1229     {K_F10,		"[F10]"},
1230     {K_F11,		"[F11]"},
1231     {K_F12,		"[F12]"},
1232     {K_S_F1,		"[S-F1]"},
1233     {K_S_XF1,		"[S-xF1]"},
1234     {K_S_F2,		"[S-F2]"},
1235     {K_S_XF2,		"[S-xF2]"},
1236     {K_S_F3,		"[S-F3]"},
1237     {K_S_XF3,		"[S-xF3]"},
1238     {K_S_F4,		"[S-F4]"},
1239     {K_S_XF4,		"[S-xF4]"},
1240     {K_S_F5,		"[S-F5]"},
1241     {K_S_F6,		"[S-F6]"},
1242     {K_S_F7,		"[S-F7]"},
1243     {K_S_F8,		"[S-F8]"},
1244     {K_S_F9,		"[S-F9]"},
1245     {K_S_F10,		"[S-F10]"},
1246     {K_S_F11,		"[S-F11]"},
1247     {K_S_F12,		"[S-F12]"},
1248     {K_HELP,		"[HELP]"},
1249     {K_UNDO,		"[UNDO]"},
1250     {K_BS,		"[BS]"},
1251     {K_INS,		"[INS]"},
1252     {K_KINS,		"[KINS]"},
1253     {K_DEL,		"[DEL]"},
1254     {K_KDEL,		"[KDEL]"},
1255     {K_HOME,		"[HOME]"},
1256     {K_S_HOME,		"[C-HOME]"},
1257     {K_C_HOME,		"[C-HOME]"},
1258     {K_KHOME,		"[KHOME]"},
1259     {K_XHOME,		"[XHOME]"},
1260     {K_ZHOME,		"[ZHOME]"},
1261     {K_END,		"[END]"},
1262     {K_S_END,		"[C-END]"},
1263     {K_C_END,		"[C-END]"},
1264     {K_KEND,		"[KEND]"},
1265     {K_XEND,		"[XEND]"},
1266     {K_ZEND,		"[ZEND]"},
1267     {K_PAGEUP,		"[PAGEUP]"},
1268     {K_PAGEDOWN,	"[PAGEDOWN]"},
1269     {K_KPAGEUP,		"[KPAGEUP]"},
1270     {K_KPAGEDOWN,	"[KPAGEDOWN]"},
1271     {K_MOUSE,		"[MOUSE]"},
1272     {K_KPLUS,		"[KPLUS]"},
1273     {K_KMINUS,		"[KMINUS]"},
1274     {K_KDIVIDE,		"[KDIVIDE]"},
1275     {K_KMULTIPLY,	"[KMULTIPLY]"},
1276     {K_KENTER,		"[KENTER]"},
1277     {K_KPOINT,		"[KPOINT]"},
1278     {K_PS,		"[PASTE-START]"},
1279     {K_PE,		"[PASTE-END]"},
1280     {K_K0,		"[K0]"},
1281     {K_K1,		"[K1]"},
1282     {K_K2,		"[K2]"},
1283     {K_K3,		"[K3]"},
1284     {K_K4,		"[K4]"},
1285     {K_K5,		"[K5]"},
1286     {K_K6,		"[K6]"},
1287     {K_K7,		"[K7]"},
1288     {K_K8,		"[K8]"},
1289     {K_K9,		"[K9]"},
1290 # endif
1291 
1292 #endif /* NO_BUILTIN_TCAPS */
1293 
1294 /*
1295  * The most minimal terminal: only clear screen and cursor positioning
1296  * Always included.
1297  */
1298     {(int)KS_NAME,	"dumb"},
1299     {(int)KS_CL,	"\014"},
1300 #ifdef TERMINFO
1301     {(int)KS_CM,	IF_EB("\033[%i%p1%d;%p2%dH",
1302 						  ESC_STR "[%i%p1%d;%p2%dH")},
1303 #else
1304     {(int)KS_CM,	IF_EB("\033[%i%d;%dH", ESC_STR "[%i%d;%dH")},
1305 #endif
1306 
1307 /*
1308  * end marker
1309  */
1310     {(int)KS_NAME,	NULL}
1311 
1312 };	/* end of builtin_termcaps */
1313 
1314 #if defined(FEAT_TERMGUICOLORS) || defined(PROTO)
1315     guicolor_T
1316 termgui_mch_get_color(char_u *name)
1317 {
1318     return gui_get_color_cmn(name);
1319 }
1320 
1321     guicolor_T
1322 termgui_get_color(char_u *name)
1323 {
1324     guicolor_T	t;
1325 
1326     if (*name == NUL)
1327 	return INVALCOLOR;
1328     t = termgui_mch_get_color(name);
1329 
1330     if (t == INVALCOLOR)
1331 	EMSG2(_("E254: Cannot allocate color %s"), name);
1332     return t;
1333 }
1334 
1335     guicolor_T
1336 termgui_mch_get_rgb(guicolor_T color)
1337 {
1338     return color;
1339 }
1340 #endif
1341 
1342 /*
1343  * DEFAULT_TERM is used, when no terminal is specified with -T option or $TERM.
1344  */
1345 #ifdef AMIGA
1346 # define DEFAULT_TERM	(char_u *)"amiga"
1347 #endif
1348 
1349 #ifdef MSWIN
1350 # define DEFAULT_TERM	(char_u *)"win32"
1351 #endif
1352 
1353 #if defined(UNIX) && !defined(__MINT__)
1354 # define DEFAULT_TERM	(char_u *)"ansi"
1355 #endif
1356 
1357 #ifdef __MINT__
1358 # define DEFAULT_TERM	(char_u *)"vt52"
1359 #endif
1360 
1361 #ifdef VMS
1362 # define DEFAULT_TERM	(char_u *)"vt320"
1363 #endif
1364 
1365 #ifdef __BEOS__
1366 # undef DEFAULT_TERM
1367 # define DEFAULT_TERM	(char_u *)"beos-ansi"
1368 #endif
1369 
1370 #ifndef DEFAULT_TERM
1371 # define DEFAULT_TERM	(char_u *)"dumb"
1372 #endif
1373 
1374 /*
1375  * Term_strings contains currently used terminal output strings.
1376  * It is initialized with the default values by parse_builtin_tcap().
1377  * The values can be changed by setting the option with the same name.
1378  */
1379 char_u *(term_strings[(int)KS_LAST + 1]);
1380 
1381 static int	need_gather = FALSE;	    /* need to fill termleader[] */
1382 static char_u	termleader[256 + 1];	    /* for check_termcode() */
1383 #ifdef FEAT_TERMRESPONSE
1384 static int	check_for_codes = FALSE;    /* check for key code response */
1385 static int	is_not_xterm = FALSE;	    /* recognized not-really-xterm */
1386 #endif
1387 
1388     static struct builtin_term *
1389 find_builtin_term(char_u *term)
1390 {
1391     struct builtin_term *p;
1392 
1393     p = builtin_termcaps;
1394     while (p->bt_string != NULL)
1395     {
1396 	if (p->bt_entry == (int)KS_NAME)
1397 	{
1398 #ifdef UNIX
1399 	    if (STRCMP(p->bt_string, "iris-ansi") == 0 && vim_is_iris(term))
1400 		return p;
1401 	    else if (STRCMP(p->bt_string, "xterm") == 0 && vim_is_xterm(term))
1402 		return p;
1403 	    else
1404 #endif
1405 #ifdef VMS
1406 		if (STRCMP(p->bt_string, "vt320") == 0 && vim_is_vt300(term))
1407 		    return p;
1408 		else
1409 #endif
1410 		  if (STRCMP(term, p->bt_string) == 0)
1411 		    return p;
1412 	}
1413 	++p;
1414     }
1415     return p;
1416 }
1417 
1418 /*
1419  * Parsing of the builtin termcap entries.
1420  * Caller should check if 'name' is a valid builtin term.
1421  * The terminal's name is not set, as this is already done in termcapinit().
1422  */
1423     static void
1424 parse_builtin_tcap(char_u *term)
1425 {
1426     struct builtin_term	    *p;
1427     char_u		    name[2];
1428     int			    term_8bit;
1429 
1430     p = find_builtin_term(term);
1431     term_8bit = term_is_8bit(term);
1432 
1433     /* Do not parse if builtin term not found */
1434     if (p->bt_string == NULL)
1435 	return;
1436 
1437     for (++p; p->bt_entry != (int)KS_NAME && p->bt_entry != BT_EXTRA_KEYS; ++p)
1438     {
1439 	if ((int)p->bt_entry >= 0)	/* KS_xx entry */
1440 	{
1441 	    /* Only set the value if it wasn't set yet. */
1442 	    if (term_strings[p->bt_entry] == NULL
1443 				 || term_strings[p->bt_entry] == empty_option)
1444 	    {
1445 		/* 8bit terminal: use CSI instead of <Esc>[ */
1446 		if (term_8bit && term_7to8bit((char_u *)p->bt_string) != 0)
1447 		{
1448 		    char_u  *s, *t;
1449 
1450 		    s = vim_strsave((char_u *)p->bt_string);
1451 		    if (s != NULL)
1452 		    {
1453 			for (t = s; *t; ++t)
1454 			    if (term_7to8bit(t))
1455 			    {
1456 				*t = term_7to8bit(t);
1457 				STRCPY(t + 1, t + 2);
1458 			    }
1459 			term_strings[p->bt_entry] = s;
1460 			set_term_option_alloced(&term_strings[p->bt_entry]);
1461 		    }
1462 		}
1463 		else
1464 		    term_strings[p->bt_entry] = (char_u *)p->bt_string;
1465 	    }
1466 	}
1467 	else
1468 	{
1469 	    name[0] = KEY2TERMCAP0((int)p->bt_entry);
1470 	    name[1] = KEY2TERMCAP1((int)p->bt_entry);
1471 	    if (find_termcode(name) == NULL)
1472 		add_termcode(name, (char_u *)p->bt_string, term_8bit);
1473 	}
1474     }
1475 }
1476 
1477 /*
1478  * Set number of colors.
1479  * Store it as a number in t_colors.
1480  * Store it as a string in T_CCO (using nr_colors[]).
1481  */
1482     static void
1483 set_color_count(int nr)
1484 {
1485     char_u	nr_colors[20];		/* string for number of colors */
1486 
1487     t_colors = nr;
1488     if (t_colors > 1)
1489 	sprintf((char *)nr_colors, "%d", t_colors);
1490     else
1491 	*nr_colors = NUL;
1492     set_string_option_direct((char_u *)"t_Co", -1, nr_colors, OPT_FREE, 0);
1493 }
1494 
1495 #if defined(FEAT_TERMRESPONSE)
1496 /*
1497  * Set the color count to "val" and redraw if it changed.
1498  */
1499     static void
1500 may_adjust_color_count(int val)
1501 {
1502     if (val != t_colors)
1503     {
1504 	/* Nr of colors changed, initialize highlighting and
1505 	 * redraw everything.  This causes a redraw, which usually
1506 	 * clears the message.  Try keeping the message if it
1507 	 * might work. */
1508 	set_keep_msg_from_hist();
1509 	set_color_count(val);
1510 	init_highlight(TRUE, FALSE);
1511 # ifdef DEBUG_TERMRESPONSE
1512 	{
1513 	    char buf[100];
1514 	    int  r = redraw_asap(CLEAR);
1515 
1516 	    sprintf(buf, "Received t_Co, redraw_asap(): %d", r);
1517 	    log_tr(buf);
1518 	}
1519 # else
1520 	redraw_asap(CLEAR);
1521 # endif
1522     }
1523 }
1524 #endif
1525 
1526 #ifdef HAVE_TGETENT
1527 static char *(key_names[]) =
1528 {
1529 #ifdef FEAT_TERMRESPONSE
1530     /* Do this one first, it may cause a screen redraw. */
1531     "Co",
1532 #endif
1533     "ku", "kd", "kr", "kl",
1534     "#2", "#4", "%i", "*7",
1535     "k1", "k2", "k3", "k4", "k5", "k6",
1536     "k7", "k8", "k9", "k;", "F1", "F2",
1537     "%1", "&8", "kb", "kI", "kD", "kh",
1538     "@7", "kP", "kN", "K1", "K3", "K4", "K5", "kB",
1539     NULL
1540 };
1541 #endif
1542 
1543 /*
1544  * Set terminal options for terminal "term".
1545  * Return OK if terminal 'term' was found in a termcap, FAIL otherwise.
1546  *
1547  * While doing this, until ttest(), some options may be NULL, be careful.
1548  */
1549     int
1550 set_termname(char_u *term)
1551 {
1552     struct builtin_term *termp;
1553 #ifdef HAVE_TGETENT
1554     int		builtin_first = p_tbi;
1555     int		try;
1556     int		termcap_cleared = FALSE;
1557 #endif
1558     int		width = 0, height = 0;
1559     char_u	*error_msg = NULL;
1560     char_u	*bs_p, *del_p;
1561 
1562     /* In silect mode (ex -s) we don't use the 'term' option. */
1563     if (silent_mode)
1564 	return OK;
1565 
1566     detected_8bit = FALSE;		/* reset 8-bit detection */
1567 
1568     if (term_is_builtin(term))
1569     {
1570 	term += 8;
1571 #ifdef HAVE_TGETENT
1572 	builtin_first = 1;
1573 #endif
1574     }
1575 
1576 /*
1577  * If HAVE_TGETENT is not defined, only the builtin termcap is used, otherwise:
1578  *   If builtin_first is TRUE:
1579  *     0. try builtin termcap
1580  *     1. try external termcap
1581  *     2. if both fail default to a builtin terminal
1582  *   If builtin_first is FALSE:
1583  *     1. try external termcap
1584  *     2. try builtin termcap, if both fail default to a builtin terminal
1585  */
1586 #ifdef HAVE_TGETENT
1587     for (try = builtin_first ? 0 : 1; try < 3; ++try)
1588     {
1589 	/*
1590 	 * Use external termcap
1591 	 */
1592 	if (try == 1)
1593 	{
1594 	    char_u	    *p;
1595 	    static char_u   tstrbuf[TBUFSZ];
1596 	    int		    i;
1597 	    char_u	    tbuf[TBUFSZ];
1598 	    char_u	    *tp;
1599 	    static struct {
1600 			    enum SpecialKey dest; /* index in term_strings[] */
1601 			    char *name;		  /* termcap name for string */
1602 			  } string_names[] =
1603 			    {	{KS_CE, "ce"}, {KS_AL, "al"}, {KS_CAL,"AL"},
1604 				{KS_DL, "dl"}, {KS_CDL,"DL"}, {KS_CS, "cs"},
1605 				{KS_CL, "cl"}, {KS_CD, "cd"},
1606 				{KS_VI, "vi"}, {KS_VE, "ve"}, {KS_MB, "mb"},
1607 				{KS_ME, "me"}, {KS_MR, "mr"},
1608 				{KS_MD, "md"}, {KS_SE, "se"}, {KS_SO, "so"},
1609 				{KS_CZH,"ZH"}, {KS_CZR,"ZR"}, {KS_UE, "ue"},
1610 				{KS_US, "us"}, {KS_UCE, "Ce"}, {KS_UCS, "Cs"},
1611 				{KS_STE,"Te"}, {KS_STS,"Ts"},
1612 				{KS_CM, "cm"}, {KS_SR, "sr"},
1613 				{KS_CRI,"RI"}, {KS_VB, "vb"}, {KS_KS, "ks"},
1614 				{KS_KE, "ke"}, {KS_TI, "ti"}, {KS_TE, "te"},
1615 				{KS_BC, "bc"}, {KS_CSB,"Sb"}, {KS_CSF,"Sf"},
1616 				{KS_CAB,"AB"}, {KS_CAF,"AF"}, {KS_LE, "le"},
1617 				{KS_ND, "nd"}, {KS_OP, "op"}, {KS_CRV, "RV"},
1618 				{KS_VS, "vs"}, {KS_CVS, "VS"},
1619 				{KS_CIS, "IS"}, {KS_CIE, "IE"},
1620 				{KS_CSC, "SC"}, {KS_CEC, "EC"},
1621 				{KS_TS, "ts"}, {KS_FS, "fs"},
1622 				{KS_CWP, "WP"}, {KS_CWS, "WS"},
1623 				{KS_CSI, "SI"}, {KS_CEI, "EI"},
1624 				{KS_U7, "u7"}, {KS_RFG, "RF"}, {KS_RBG, "RB"},
1625 				{KS_8F, "8f"}, {KS_8B, "8b"},
1626 				{KS_CBE, "BE"}, {KS_CBD, "BD"},
1627 				{KS_CPS, "PS"}, {KS_CPE, "PE"},
1628 				{(enum SpecialKey)0, NULL}
1629 			    };
1630 
1631 	    /*
1632 	     * If the external termcap does not have a matching entry, try the
1633 	     * builtin ones.
1634 	     */
1635 	    if ((error_msg = tgetent_error(tbuf, term)) == NULL)
1636 	    {
1637 		tp = tstrbuf;
1638 		if (!termcap_cleared)
1639 		{
1640 		    clear_termoptions();	/* clear old options */
1641 		    termcap_cleared = TRUE;
1642 		}
1643 
1644 	    /* get output strings */
1645 		for (i = 0; string_names[i].name != NULL; ++i)
1646 		{
1647 		    if (TERM_STR(string_names[i].dest) == NULL
1648 			    || TERM_STR(string_names[i].dest) == empty_option)
1649 			TERM_STR(string_names[i].dest) =
1650 					   TGETSTR(string_names[i].name, &tp);
1651 		}
1652 
1653 		/* tgetflag() returns 1 if the flag is present, 0 if not and
1654 		 * possibly -1 if the flag doesn't exist. */
1655 		if ((T_MS == NULL || T_MS == empty_option)
1656 							&& tgetflag("ms") > 0)
1657 		    T_MS = (char_u *)"y";
1658 		if ((T_XS == NULL || T_XS == empty_option)
1659 							&& tgetflag("xs") > 0)
1660 		    T_XS = (char_u *)"y";
1661 		if ((T_XN == NULL || T_XN == empty_option)
1662 							&& tgetflag("xn") > 0)
1663 		    T_XN = (char_u *)"y";
1664 		if ((T_DB == NULL || T_DB == empty_option)
1665 							&& tgetflag("db") > 0)
1666 		    T_DB = (char_u *)"y";
1667 		if ((T_DA == NULL || T_DA == empty_option)
1668 							&& tgetflag("da") > 0)
1669 		    T_DA = (char_u *)"y";
1670 		if ((T_UT == NULL || T_UT == empty_option)
1671 							&& tgetflag("ut") > 0)
1672 		    T_UT = (char_u *)"y";
1673 
1674 
1675 		/*
1676 		 * get key codes
1677 		 */
1678 		for (i = 0; key_names[i] != NULL; ++i)
1679 		{
1680 		    if (find_termcode((char_u *)key_names[i]) == NULL)
1681 		    {
1682 			p = TGETSTR(key_names[i], &tp);
1683 			/* if cursor-left == backspace, ignore it (televideo
1684 			 * 925) */
1685 			if (p != NULL
1686 				&& (*p != Ctrl_H
1687 				    || key_names[i][0] != 'k'
1688 				    || key_names[i][1] != 'l'))
1689 			    add_termcode((char_u *)key_names[i], p, FALSE);
1690 		    }
1691 		}
1692 
1693 		if (height == 0)
1694 		    height = tgetnum("li");
1695 		if (width == 0)
1696 		    width = tgetnum("co");
1697 
1698 		/*
1699 		 * Get number of colors (if not done already).
1700 		 */
1701 		if (TERM_STR(KS_CCO) == NULL
1702 			|| TERM_STR(KS_CCO) == empty_option)
1703 		    set_color_count(tgetnum("Co"));
1704 
1705 # ifndef hpux
1706 		BC = (char *)TGETSTR("bc", &tp);
1707 		UP = (char *)TGETSTR("up", &tp);
1708 		p = TGETSTR("pc", &tp);
1709 		if (p)
1710 		    PC = *p;
1711 # endif /* hpux */
1712 	    }
1713 	}
1714 	else	    /* try == 0 || try == 2 */
1715 #endif /* HAVE_TGETENT */
1716 	/*
1717 	 * Use builtin termcap
1718 	 */
1719 	{
1720 #ifdef HAVE_TGETENT
1721 	    /*
1722 	     * If builtin termcap was already used, there is no need to search
1723 	     * for the builtin termcap again, quit now.
1724 	     */
1725 	    if (try == 2 && builtin_first && termcap_cleared)
1726 		break;
1727 #endif
1728 	    /*
1729 	     * search for 'term' in builtin_termcaps[]
1730 	     */
1731 	    termp = find_builtin_term(term);
1732 	    if (termp->bt_string == NULL)	/* did not find it */
1733 	    {
1734 #ifdef HAVE_TGETENT
1735 		/*
1736 		 * If try == 0, first try the external termcap. If that is not
1737 		 * found we'll get back here with try == 2.
1738 		 * If termcap_cleared is set we used the external termcap,
1739 		 * don't complain about not finding the term in the builtin
1740 		 * termcap.
1741 		 */
1742 		if (try == 0)			/* try external one */
1743 		    continue;
1744 		if (termcap_cleared)		/* found in external termcap */
1745 		    break;
1746 #endif
1747 
1748 		mch_errmsg("\r\n");
1749 		if (error_msg != NULL)
1750 		{
1751 		    mch_errmsg((char *)error_msg);
1752 		    mch_errmsg("\r\n");
1753 		}
1754 		mch_errmsg("'");
1755 		mch_errmsg((char *)term);
1756 		mch_errmsg(_("' not known. Available builtin terminals are:"));
1757 		mch_errmsg("\r\n");
1758 		for (termp = &(builtin_termcaps[0]); termp->bt_string != NULL;
1759 								      ++termp)
1760 		{
1761 		    if (termp->bt_entry == (int)KS_NAME)
1762 		    {
1763 #ifdef HAVE_TGETENT
1764 			mch_errmsg("    builtin_");
1765 #else
1766 			mch_errmsg("    ");
1767 #endif
1768 			mch_errmsg(termp->bt_string);
1769 			mch_errmsg("\r\n");
1770 		    }
1771 		}
1772 		/* when user typed :set term=xxx, quit here */
1773 		if (starting != NO_SCREEN)
1774 		{
1775 		    screen_start();	/* don't know where cursor is now */
1776 		    wait_return(TRUE);
1777 		    return FAIL;
1778 		}
1779 		term = DEFAULT_TERM;
1780 		mch_errmsg(_("defaulting to '"));
1781 		mch_errmsg((char *)term);
1782 		mch_errmsg("'\r\n");
1783 		if (emsg_silent == 0)
1784 		{
1785 		    screen_start();	/* don't know where cursor is now */
1786 		    out_flush();
1787 		    if (!is_not_a_term())
1788 			ui_delay(2000L, TRUE);
1789 		}
1790 		set_string_option_direct((char_u *)"term", -1, term,
1791 								 OPT_FREE, 0);
1792 		display_errors();
1793 	    }
1794 	    out_flush();
1795 #ifdef HAVE_TGETENT
1796 	    if (!termcap_cleared)
1797 	    {
1798 #endif
1799 		clear_termoptions();	    /* clear old options */
1800 #ifdef HAVE_TGETENT
1801 		termcap_cleared = TRUE;
1802 	    }
1803 #endif
1804 	    parse_builtin_tcap(term);
1805 #ifdef FEAT_GUI
1806 	    if (term_is_gui(term))
1807 	    {
1808 		out_flush();
1809 		gui_init();
1810 		/* If starting the GUI failed, don't do any of the other
1811 		 * things for this terminal */
1812 		if (!gui.in_use)
1813 		    return FAIL;
1814 #ifdef HAVE_TGETENT
1815 		break;		/* don't try using external termcap */
1816 #endif
1817 	    }
1818 #endif /* FEAT_GUI */
1819 	}
1820 #ifdef HAVE_TGETENT
1821     }
1822 #endif
1823 
1824 /*
1825  * special: There is no info in the termcap about whether the cursor
1826  * positioning is relative to the start of the screen or to the start of the
1827  * scrolling region.  We just guess here. Only msdos pcterm is known to do it
1828  * relative.
1829  */
1830     if (STRCMP(term, "pcterm") == 0)
1831 	T_CCS = (char_u *)"yes";
1832     else
1833 	T_CCS = empty_option;
1834 
1835 #ifdef UNIX
1836 /*
1837  * Any "stty" settings override the default for t_kb from the termcap.
1838  * This is in os_unix.c, because it depends a lot on the version of unix that
1839  * is being used.
1840  * Don't do this when the GUI is active, it uses "t_kb" and "t_kD" directly.
1841  */
1842 # ifdef FEAT_GUI
1843     if (!gui.in_use)
1844 # endif
1845 	get_stty();
1846 #endif
1847 
1848 /*
1849  * If the termcap has no entry for 'bs' and/or 'del' and the ioctl() also
1850  * didn't work, use the default CTRL-H
1851  * The default for t_kD is DEL, unless t_kb is DEL.
1852  * The vim_strsave'd strings are probably lost forever, well it's only two
1853  * bytes.  Don't do this when the GUI is active, it uses "t_kb" and "t_kD"
1854  * directly.
1855  */
1856 #ifdef FEAT_GUI
1857     if (!gui.in_use)
1858 #endif
1859     {
1860 	bs_p = find_termcode((char_u *)"kb");
1861 	del_p = find_termcode((char_u *)"kD");
1862 	if (bs_p == NULL || *bs_p == NUL)
1863 	    add_termcode((char_u *)"kb", (bs_p = (char_u *)CTRL_H_STR), FALSE);
1864 	if ((del_p == NULL || *del_p == NUL) &&
1865 					    (bs_p == NULL || *bs_p != DEL))
1866 	    add_termcode((char_u *)"kD", (char_u *)DEL_STR, FALSE);
1867     }
1868 
1869 #if defined(UNIX) || defined(VMS)
1870     term_is_xterm = vim_is_xterm(term);
1871 #endif
1872 
1873 #ifdef FEAT_MOUSE
1874 # if defined(UNIX) || defined(VMS)
1875 #  ifdef FEAT_MOUSE_TTY
1876     /*
1877      * For Unix, set the 'ttymouse' option to the type of mouse to be used.
1878      * The termcode for the mouse is added as a side effect in option.c.
1879      */
1880     {
1881 	char_u	*p = (char_u *)"";
1882 
1883 #  ifdef FEAT_MOUSE_XTERM
1884 	if (use_xterm_like_mouse(term))
1885 	{
1886 	    if (use_xterm_mouse())
1887 		p = NULL;	/* keep existing value, might be "xterm2" */
1888 	    else
1889 		p = (char_u *)"xterm";
1890 	}
1891 #  endif
1892 	if (p != NULL)
1893 	{
1894 	    set_option_value((char_u *)"ttym", 0L, p, 0);
1895 	    /* Reset the WAS_SET flag, 'ttymouse' can be set to "sgr" or
1896 	     * "xterm2" in check_termcode(). */
1897 	    reset_option_was_set((char_u *)"ttym");
1898 	}
1899 	if (p == NULL
1900 #   ifdef FEAT_GUI
1901 		|| gui.in_use
1902 #   endif
1903 		)
1904 	    check_mouse_termcode();	/* set mouse termcode anyway */
1905     }
1906 #  endif
1907 # else
1908     set_mouse_termcode(KS_MOUSE, (char_u *)"\233M");
1909 # endif
1910 #endif	/* FEAT_MOUSE */
1911 
1912 #ifdef USE_TERM_CONSOLE
1913     /* DEFAULT_TERM indicates that it is the machine console. */
1914     if (STRCMP(term, DEFAULT_TERM) != 0)
1915 	term_console = FALSE;
1916     else
1917     {
1918 	term_console = TRUE;
1919 # ifdef AMIGA
1920 	win_resize_on();	/* enable window resizing reports */
1921 # endif
1922     }
1923 #endif
1924 
1925 #if defined(UNIX) || defined(VMS)
1926     /*
1927      * 'ttyfast' is default on for xterm, iris-ansi and a few others.
1928      */
1929     if (vim_is_fastterm(term))
1930 	p_tf = TRUE;
1931 #endif
1932 #ifdef USE_TERM_CONSOLE
1933     /*
1934      * 'ttyfast' is default on consoles
1935      */
1936     if (term_console)
1937 	p_tf = TRUE;
1938 #endif
1939 
1940     ttest(TRUE);	/* make sure we have a valid set of terminal codes */
1941 
1942     full_screen = TRUE;		/* we can use termcap codes from now on */
1943     set_term_defaults();	/* use current values as defaults */
1944 #ifdef FEAT_TERMRESPONSE
1945     LOG_TR("setting crv_status to STATUS_GET");
1946     crv_status = STATUS_GET;	/* Get terminal version later */
1947 #endif
1948 
1949     /*
1950      * Initialize the terminal with the appropriate termcap codes.
1951      * Set the mouse and window title if possible.
1952      * Don't do this when starting, need to parse the .vimrc first, because it
1953      * may redefine t_TI etc.
1954      */
1955     if (starting != NO_SCREEN)
1956     {
1957 	starttermcap();		/* may change terminal mode */
1958 #ifdef FEAT_MOUSE
1959 	setmouse();		/* may start using the mouse */
1960 #endif
1961 #ifdef FEAT_TITLE
1962 	maketitle();		/* may display window title */
1963 #endif
1964     }
1965 
1966 	/* display initial screen after ttest() checking. jw. */
1967     if (width <= 0 || height <= 0)
1968     {
1969 	/* termcap failed to report size */
1970 	/* set defaults, in case ui_get_shellsize() also fails */
1971 	width = 80;
1972 #if defined(WIN3264)
1973 	height = 25;	    /* console is often 25 lines */
1974 #else
1975 	height = 24;	    /* most terminals are 24 lines */
1976 #endif
1977     }
1978     set_shellsize(width, height, FALSE);	/* may change Rows */
1979     if (starting != NO_SCREEN)
1980     {
1981 	if (scroll_region)
1982 	    scroll_region_reset();		/* In case Rows changed */
1983 	check_map_keycodes();	/* check mappings for terminal codes used */
1984 
1985 #ifdef FEAT_AUTOCMD
1986 	{
1987 	    bufref_T	old_curbuf;
1988 
1989 	    /*
1990 	     * Execute the TermChanged autocommands for each buffer that is
1991 	     * loaded.
1992 	     */
1993 	    set_bufref(&old_curbuf, curbuf);
1994 	    FOR_ALL_BUFFERS(curbuf)
1995 	    {
1996 		if (curbuf->b_ml.ml_mfp != NULL)
1997 		    apply_autocmds(EVENT_TERMCHANGED, NULL, NULL, FALSE,
1998 								      curbuf);
1999 	    }
2000 	    if (bufref_valid(&old_curbuf))
2001 		curbuf = old_curbuf.br_buf;
2002 	}
2003 #endif
2004     }
2005 
2006 #ifdef FEAT_TERMRESPONSE
2007     may_req_termresponse();
2008 #endif
2009 
2010     return OK;
2011 }
2012 
2013 #if defined(FEAT_MOUSE) || defined(PROTO)
2014 
2015 # ifdef FEAT_MOUSE_TTY
2016 #  define HMT_NORMAL	1
2017 #  define HMT_NETTERM	2
2018 #  define HMT_DEC	4
2019 #  define HMT_JSBTERM	8
2020 #  define HMT_PTERM	16
2021 #  define HMT_URXVT	32
2022 #  define HMT_SGR	64
2023 #  define HMT_SGR_REL	128
2024 static int has_mouse_termcode = 0;
2025 # endif
2026 
2027 # if (!defined(UNIX) || defined(FEAT_MOUSE_TTY)) || defined(PROTO)
2028     void
2029 set_mouse_termcode(
2030     int		n,	/* KS_MOUSE, KS_NETTERM_MOUSE or KS_DEC_MOUSE */
2031     char_u	*s)
2032 {
2033     char_u	name[2];
2034 
2035     name[0] = n;
2036     name[1] = KE_FILLER;
2037     add_termcode(name, s, FALSE);
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 
2076 # if ((defined(UNIX) || defined(VMS)) \
2077 	&& defined(FEAT_MOUSE_TTY)) || defined(PROTO)
2078     void
2079 del_mouse_termcode(
2080     int		n)	/* KS_MOUSE, KS_NETTERM_MOUSE or KS_DEC_MOUSE */
2081 {
2082     char_u	name[2];
2083 
2084     name[0] = n;
2085     name[1] = KE_FILLER;
2086     del_termcode(name);
2087 #  ifdef FEAT_MOUSE_TTY
2088 #   ifdef FEAT_MOUSE_JSB
2089     if (n == KS_JSBTERM_MOUSE)
2090 	has_mouse_termcode &= ~HMT_JSBTERM;
2091     else
2092 #   endif
2093 #   ifdef FEAT_MOUSE_NET
2094     if (n == KS_NETTERM_MOUSE)
2095 	has_mouse_termcode &= ~HMT_NETTERM;
2096     else
2097 #   endif
2098 #   ifdef FEAT_MOUSE_DEC
2099     if (n == KS_DEC_MOUSE)
2100 	has_mouse_termcode &= ~HMT_DEC;
2101     else
2102 #   endif
2103 #   ifdef FEAT_MOUSE_PTERM
2104     if (n == KS_PTERM_MOUSE)
2105 	has_mouse_termcode &= ~HMT_PTERM;
2106     else
2107 #   endif
2108 #   ifdef FEAT_MOUSE_URXVT
2109     if (n == KS_URXVT_MOUSE)
2110 	has_mouse_termcode &= ~HMT_URXVT;
2111     else
2112 #   endif
2113 #   ifdef FEAT_MOUSE_SGR
2114     if (n == KS_SGR_MOUSE)
2115 	has_mouse_termcode &= ~HMT_SGR;
2116     else if (n == KS_SGR_MOUSE_RELEASE)
2117 	has_mouse_termcode &= ~HMT_SGR_REL;
2118     else
2119 #   endif
2120 	has_mouse_termcode &= ~HMT_NORMAL;
2121 #  endif
2122 }
2123 # endif
2124 #endif
2125 
2126 #ifdef HAVE_TGETENT
2127 /*
2128  * Call tgetent()
2129  * Return error message if it fails, NULL if it's OK.
2130  */
2131     static char_u *
2132 tgetent_error(char_u *tbuf, char_u *term)
2133 {
2134     int	    i;
2135 
2136     i = TGETENT(tbuf, term);
2137     if (i < 0		    /* -1 is always an error */
2138 # ifdef TGETENT_ZERO_ERR
2139 	    || i == 0	    /* sometimes zero is also an error */
2140 # endif
2141        )
2142     {
2143 	/* On FreeBSD tputs() gets a SEGV after a tgetent() which fails.  Call
2144 	 * tgetent() with the always existing "dumb" entry to avoid a crash or
2145 	 * hang. */
2146 	(void)TGETENT(tbuf, "dumb");
2147 
2148 	if (i < 0)
2149 # ifdef TGETENT_ZERO_ERR
2150 	    return (char_u *)_("E557: Cannot open termcap file");
2151 	if (i == 0)
2152 # endif
2153 #ifdef TERMINFO
2154 	    return (char_u *)_("E558: Terminal entry not found in terminfo");
2155 #else
2156 	    return (char_u *)_("E559: Terminal entry not found in termcap");
2157 #endif
2158     }
2159     return NULL;
2160 }
2161 
2162 /*
2163  * Some versions of tgetstr() have been reported to return -1 instead of NULL.
2164  * Fix that here.
2165  */
2166     static char_u *
2167 vim_tgetstr(char *s, char_u **pp)
2168 {
2169     char	*p;
2170 
2171     p = tgetstr(s, (char **)pp);
2172     if (p == (char *)-1)
2173 	p = NULL;
2174     return (char_u *)p;
2175 }
2176 #endif /* HAVE_TGETENT */
2177 
2178 #if defined(HAVE_TGETENT) && (defined(UNIX) || defined(VMS) || defined(MACOS_X))
2179 /*
2180  * Get Columns and Rows from the termcap. Used after a window signal if the
2181  * ioctl() fails. It doesn't make sense to call tgetent each time if the "co"
2182  * and "li" entries never change. But on some systems this works.
2183  * Errors while getting the entries are ignored.
2184  */
2185     void
2186 getlinecol(
2187     long	*cp,	/* pointer to columns */
2188     long	*rp)	/* pointer to rows */
2189 {
2190     char_u	tbuf[TBUFSZ];
2191 
2192     if (T_NAME != NULL && *T_NAME != NUL && tgetent_error(tbuf, T_NAME) == NULL)
2193     {
2194 	if (*cp == 0)
2195 	    *cp = tgetnum("co");
2196 	if (*rp == 0)
2197 	    *rp = tgetnum("li");
2198     }
2199 }
2200 #endif /* defined(HAVE_TGETENT) && defined(UNIX) */
2201 
2202 /*
2203  * Get a string entry from the termcap and add it to the list of termcodes.
2204  * Used for <t_xx> special keys.
2205  * Give an error message for failure when not sourcing.
2206  * If force given, replace an existing entry.
2207  * Return FAIL if the entry was not found, OK if the entry was added.
2208  */
2209     int
2210 add_termcap_entry(char_u *name, int force)
2211 {
2212     char_u  *term;
2213     int	    key;
2214     struct builtin_term *termp;
2215 #ifdef HAVE_TGETENT
2216     char_u  *string;
2217     int	    i;
2218     int	    builtin_first;
2219     char_u  tbuf[TBUFSZ];
2220     char_u  tstrbuf[TBUFSZ];
2221     char_u  *tp = tstrbuf;
2222     char_u  *error_msg = NULL;
2223 #endif
2224 
2225 /*
2226  * If the GUI is running or will start in a moment, we only support the keys
2227  * that the GUI can produce.
2228  */
2229 #ifdef FEAT_GUI
2230     if (gui.in_use || gui.starting)
2231 	return gui_mch_haskey(name);
2232 #endif
2233 
2234     if (!force && find_termcode(name) != NULL)	    /* it's already there */
2235 	return OK;
2236 
2237     term = T_NAME;
2238     if (term == NULL || *term == NUL)	    /* 'term' not defined yet */
2239 	return FAIL;
2240 
2241     if (term_is_builtin(term))		    /* name starts with "builtin_" */
2242     {
2243 	term += 8;
2244 #ifdef HAVE_TGETENT
2245 	builtin_first = TRUE;
2246 #endif
2247     }
2248 #ifdef HAVE_TGETENT
2249     else
2250 	builtin_first = p_tbi;
2251 #endif
2252 
2253 #ifdef HAVE_TGETENT
2254 /*
2255  * We can get the entry from the builtin termcap and from the external one.
2256  * If 'ttybuiltin' is on or the terminal name starts with "builtin_", try
2257  * builtin termcap first.
2258  * If 'ttybuiltin' is off, try external termcap first.
2259  */
2260     for (i = 0; i < 2; ++i)
2261     {
2262 	if ((!builtin_first) == i)
2263 #endif
2264 	/*
2265 	 * Search in builtin termcap
2266 	 */
2267 	{
2268 	    termp = find_builtin_term(term);
2269 	    if (termp->bt_string != NULL)	/* found it */
2270 	    {
2271 		key = TERMCAP2KEY(name[0], name[1]);
2272 		while (termp->bt_entry != (int)KS_NAME)
2273 		{
2274 		    if ((int)termp->bt_entry == key)
2275 		    {
2276 			add_termcode(name, (char_u *)termp->bt_string,
2277 							  term_is_8bit(term));
2278 			return OK;
2279 		    }
2280 		    ++termp;
2281 		}
2282 	    }
2283 	}
2284 #ifdef HAVE_TGETENT
2285 	else
2286 	/*
2287 	 * Search in external termcap
2288 	 */
2289 	{
2290 	    error_msg = tgetent_error(tbuf, term);
2291 	    if (error_msg == NULL)
2292 	    {
2293 		string = TGETSTR((char *)name, &tp);
2294 		if (string != NULL && *string != NUL)
2295 		{
2296 		    add_termcode(name, string, FALSE);
2297 		    return OK;
2298 		}
2299 	    }
2300 	}
2301     }
2302 #endif
2303 
2304     if (sourcing_name == NULL)
2305     {
2306 #ifdef HAVE_TGETENT
2307 	if (error_msg != NULL)
2308 	    EMSG(error_msg);
2309 	else
2310 #endif
2311 	    EMSG2(_("E436: No \"%s\" entry in termcap"), name);
2312     }
2313     return FAIL;
2314 }
2315 
2316     static int
2317 term_is_builtin(char_u *name)
2318 {
2319     return (STRNCMP(name, "builtin_", (size_t)8) == 0);
2320 }
2321 
2322 /*
2323  * Return TRUE if terminal "name" uses CSI instead of <Esc>[.
2324  * Assume that the terminal is using 8-bit controls when the name contains
2325  * "8bit", like in "xterm-8bit".
2326  */
2327     int
2328 term_is_8bit(char_u *name)
2329 {
2330     return (detected_8bit || strstr((char *)name, "8bit") != NULL);
2331 }
2332 
2333 /*
2334  * Translate terminal control chars from 7-bit to 8-bit:
2335  * <Esc>[ -> CSI  <M_C_[>
2336  * <Esc>] -> OSC  <M-C-]>
2337  * <Esc>O -> <M-C-O>
2338  */
2339     static int
2340 term_7to8bit(char_u *p)
2341 {
2342     if (*p == ESC)
2343     {
2344 	if (p[1] == '[')
2345 	    return CSI;
2346 	if (p[1] == ']')
2347 	    return OSC;
2348 	if (p[1] == 'O')
2349 	    return 0x8f;
2350     }
2351     return 0;
2352 }
2353 
2354 #ifdef FEAT_GUI
2355     int
2356 term_is_gui(char_u *name)
2357 {
2358     return (STRCMP(name, "builtin_gui") == 0 || STRCMP(name, "gui") == 0);
2359 }
2360 #endif
2361 
2362 #if !defined(HAVE_TGETENT) || defined(AMIGA) || defined(PROTO)
2363 
2364     char_u *
2365 tltoa(unsigned long i)
2366 {
2367     static char_u buf[16];
2368     char_u	*p;
2369 
2370     p = buf + 15;
2371     *p = '\0';
2372     do
2373     {
2374 	--p;
2375 	*p = (char_u) (i % 10 + '0');
2376 	i /= 10;
2377     }
2378     while (i > 0 && p > buf);
2379     return p;
2380 }
2381 #endif
2382 
2383 #ifndef HAVE_TGETENT
2384 
2385 /*
2386  * minimal tgoto() implementation.
2387  * no padding and we only parse for %i %d and %+char
2388  */
2389 static char *tgoto(char *, int, int);
2390 
2391     static char *
2392 tgoto(char *cm, int x, int y)
2393 {
2394     static char buf[30];
2395     char *p, *s, *e;
2396 
2397     if (!cm)
2398 	return "OOPS";
2399     e = buf + 29;
2400     for (s = buf; s < e && *cm; cm++)
2401     {
2402 	if (*cm != '%')
2403 	{
2404 	    *s++ = *cm;
2405 	    continue;
2406 	}
2407 	switch (*++cm)
2408 	{
2409 	case 'd':
2410 	    p = (char *)tltoa((unsigned long)y);
2411 	    y = x;
2412 	    while (*p)
2413 		*s++ = *p++;
2414 	    break;
2415 	case 'i':
2416 	    x++;
2417 	    y++;
2418 	    break;
2419 	case '+':
2420 	    *s++ = (char)(*++cm + y);
2421 	    y = x;
2422 	    break;
2423 	case '%':
2424 	    *s++ = *cm;
2425 	    break;
2426 	default:
2427 	    return "OOPS";
2428 	}
2429     }
2430     *s = '\0';
2431     return buf;
2432 }
2433 
2434 #endif /* HAVE_TGETENT */
2435 
2436 /*
2437  * Set the terminal name and initialize the terminal options.
2438  * If "name" is NULL or empty, get the terminal name from the environment.
2439  * If that fails, use the default terminal name.
2440  */
2441     void
2442 termcapinit(char_u *name)
2443 {
2444     char_u	*term;
2445 
2446     if (name != NULL && *name == NUL)
2447 	name = NULL;	    /* empty name is equal to no name */
2448     term = name;
2449 
2450 #ifdef __BEOS__
2451     /*
2452      * TERM environment variable is normally set to 'ansi' on the Bebox;
2453      * Since the BeBox doesn't quite support full ANSI yet, we use our
2454      * own custom 'ansi-beos' termcap instead, unless the -T option has
2455      * been given on the command line.
2456      */
2457     if (term == NULL
2458 		 && strcmp((char *)mch_getenv((char_u *)"TERM"), "ansi") == 0)
2459 	term = DEFAULT_TERM;
2460 #endif
2461 #ifndef MSWIN
2462     if (term == NULL)
2463 	term = mch_getenv((char_u *)"TERM");
2464 #endif
2465     if (term == NULL || *term == NUL)
2466 	term = DEFAULT_TERM;
2467     set_string_option_direct((char_u *)"term", -1, term, OPT_FREE, 0);
2468 
2469     /* Set the default terminal name. */
2470     set_string_default("term", term);
2471     set_string_default("ttytype", term);
2472 
2473     /*
2474      * Avoid using "term" here, because the next mch_getenv() may overwrite it.
2475      */
2476     set_termname(T_NAME != NULL ? T_NAME : term);
2477 }
2478 
2479 /*
2480  * the number of calls to ui_write is reduced by using the buffer "out_buf"
2481  */
2482 #define OUT_SIZE	2047
2483 	    /* Add one to allow mch_write() in os_win32.c to append a NUL */
2484 static char_u		out_buf[OUT_SIZE + 1];
2485 static int		out_pos = 0;	/* number of chars in out_buf */
2486 
2487 /*
2488  * out_flush(): flush the output buffer
2489  */
2490     void
2491 out_flush(void)
2492 {
2493     int	    len;
2494 
2495     if (out_pos != 0)
2496     {
2497 	/* set out_pos to 0 before ui_write, to avoid recursiveness */
2498 	len = out_pos;
2499 	out_pos = 0;
2500 	ui_write(out_buf, len);
2501     }
2502 }
2503 
2504 #if defined(FEAT_MBYTE) || defined(PROTO)
2505 /*
2506  * Sometimes a byte out of a multi-byte character is written with out_char().
2507  * To avoid flushing half of the character, call this function first.
2508  */
2509     void
2510 out_flush_check(void)
2511 {
2512     if (enc_dbcs != 0 && out_pos >= OUT_SIZE - MB_MAXBYTES)
2513 	out_flush();
2514 }
2515 #endif
2516 
2517 #ifdef FEAT_GUI
2518 /*
2519  * out_trash(): Throw away the contents of the output buffer
2520  */
2521     void
2522 out_trash(void)
2523 {
2524     out_pos = 0;
2525 }
2526 #endif
2527 
2528 /*
2529  * out_char(c): put a byte into the output buffer.
2530  *		Flush it if it becomes full.
2531  * This should not be used for outputting text on the screen (use functions
2532  * like msg_puts() and screen_putchar() for that).
2533  */
2534     void
2535 out_char(unsigned c)
2536 {
2537 #if defined(UNIX) || defined(VMS) || defined(AMIGA) || defined(MACOS_X)
2538     if (c == '\n')	/* turn LF into CR-LF (CRMOD doesn't seem to do this) */
2539 	out_char('\r');
2540 #endif
2541 
2542     out_buf[out_pos++] = c;
2543 
2544     /* For testing we flush each time. */
2545     if (out_pos >= OUT_SIZE || p_wd)
2546 	out_flush();
2547 }
2548 
2549 static void out_char_nf(unsigned);
2550 
2551 /*
2552  * out_char_nf(c): like out_char(), but don't flush when p_wd is set
2553  */
2554     static void
2555 out_char_nf(unsigned c)
2556 {
2557 #if defined(UNIX) || defined(VMS) || defined(AMIGA) || defined(MACOS_X)
2558     if (c == '\n')	/* turn LF into CR-LF (CRMOD doesn't seem to do this) */
2559 	out_char_nf('\r');
2560 #endif
2561 
2562     out_buf[out_pos++] = c;
2563 
2564     if (out_pos >= OUT_SIZE)
2565 	out_flush();
2566 }
2567 
2568 #if defined(FEAT_TITLE) || defined(FEAT_MOUSE_TTY) || defined(FEAT_GUI) \
2569     || defined(FEAT_TERMRESPONSE) || defined(PROTO)
2570 /*
2571  * A never-padding out_str.
2572  * use this whenever you don't want to run the string through tputs.
2573  * tputs above is harmless, but tputs from the termcap library
2574  * is likely to strip off leading digits, that it mistakes for padding
2575  * information, and "%i", "%d", etc.
2576  * This should only be used for writing terminal codes, not for outputting
2577  * normal text (use functions like msg_puts() and screen_putchar() for that).
2578  */
2579     void
2580 out_str_nf(char_u *s)
2581 {
2582     if (out_pos > OUT_SIZE - 20)  /* avoid terminal strings being split up */
2583 	out_flush();
2584     while (*s)
2585 	out_char_nf(*s++);
2586 
2587     /* For testing we write one string at a time. */
2588     if (p_wd)
2589 	out_flush();
2590 }
2591 #endif
2592 
2593 /*
2594  * A conditional-flushing out_str, mainly for visualbell.
2595  * Handles a delay internally, because termlib may not respect the delay or do
2596  * it at the wrong time.
2597  * Note: Only for terminal strings.
2598  */
2599     void
2600 out_str_cf(char_u *s)
2601 {
2602     if (s != NULL && *s)
2603     {
2604 #ifdef HAVE_TGETENT
2605 	char_u *p;
2606 #endif
2607 
2608 #ifdef FEAT_GUI
2609 	/* Don't use tputs() when GUI is used, ncurses crashes. */
2610 	if (gui.in_use)
2611 	{
2612 	    out_str_nf(s);
2613 	    return;
2614 	}
2615 #endif
2616 	if (out_pos > OUT_SIZE - 20)
2617 	    out_flush();
2618 #ifdef HAVE_TGETENT
2619 	for (p = s; *s; ++s)
2620 	{
2621 	    /* flush just before delay command */
2622 	    if (*s == '$' && *(s + 1) == '<')
2623 	    {
2624 		char_u save_c = *s;
2625 		int duration = atoi((char *)s + 2);
2626 
2627 		*s = NUL;
2628 		tputs((char *)p, 1, TPUTSFUNCAST out_char_nf);
2629 		*s = save_c;
2630 		out_flush();
2631 # ifdef ELAPSED_FUNC
2632 		/* Only sleep here if we can limit this happening in
2633 		 * vim_beep(). */
2634 		p = vim_strchr(s, '>');
2635 		if (p == NULL || duration <= 0)
2636 		{
2637 		    /* can't parse the time, don't sleep here */
2638 		    p = s;
2639 		}
2640 		else
2641 		{
2642 		    ++p;
2643 		    do_sleep(duration);
2644 		}
2645 # else
2646 		/* Rely on the terminal library to sleep. */
2647 		p = s;
2648 # endif
2649 		break;
2650 	    }
2651 	}
2652 	tputs((char *)p, 1, TPUTSFUNCAST out_char_nf);
2653 #else
2654 	while (*s)
2655 	    out_char_nf(*s++);
2656 #endif
2657 
2658 	/* For testing we write one string at a time. */
2659 	if (p_wd)
2660 	    out_flush();
2661     }
2662 }
2663 
2664 /*
2665  * out_str(s): Put a character string a byte at a time into the output buffer.
2666  * If HAVE_TGETENT is defined use the termcap parser. (jw)
2667  * This should only be used for writing terminal codes, not for outputting
2668  * normal text (use functions like msg_puts() and screen_putchar() for that).
2669  */
2670     void
2671 out_str(char_u *s)
2672 {
2673     if (s != NULL && *s)
2674     {
2675 #ifdef FEAT_GUI
2676 	/* Don't use tputs() when GUI is used, ncurses crashes. */
2677 	if (gui.in_use)
2678 	{
2679 	    out_str_nf(s);
2680 	    return;
2681 	}
2682 #endif
2683 	/* avoid terminal strings being split up */
2684 	if (out_pos > OUT_SIZE - 20)
2685 	    out_flush();
2686 #ifdef HAVE_TGETENT
2687 	tputs((char *)s, 1, TPUTSFUNCAST out_char_nf);
2688 #else
2689 	while (*s)
2690 	    out_char_nf(*s++);
2691 #endif
2692 
2693 	/* For testing we write one string at a time. */
2694 	if (p_wd)
2695 	    out_flush();
2696     }
2697 }
2698 
2699 /*
2700  * cursor positioning using termcap parser. (jw)
2701  */
2702     void
2703 term_windgoto(int row, int col)
2704 {
2705     OUT_STR(tgoto((char *)T_CM, col, row));
2706 }
2707 
2708     void
2709 term_cursor_right(int i)
2710 {
2711     OUT_STR(tgoto((char *)T_CRI, 0, i));
2712 }
2713 
2714     void
2715 term_append_lines(int line_count)
2716 {
2717     OUT_STR(tgoto((char *)T_CAL, 0, line_count));
2718 }
2719 
2720     void
2721 term_delete_lines(int line_count)
2722 {
2723     OUT_STR(tgoto((char *)T_CDL, 0, line_count));
2724 }
2725 
2726 #if defined(HAVE_TGETENT) || defined(PROTO)
2727     void
2728 term_set_winpos(int x, int y)
2729 {
2730     /* Can't handle a negative value here */
2731     if (x < 0)
2732 	x = 0;
2733     if (y < 0)
2734 	y = 0;
2735     OUT_STR(tgoto((char *)T_CWP, y, x));
2736 }
2737 
2738 # if defined(FEAT_TERMRESPONSE) || defined(PROTO)
2739 /*
2740  * Return TRUE if we can request the terminal for a response.
2741  */
2742     static int
2743 can_get_termresponse()
2744 {
2745     return cur_tmode == TMODE_RAW
2746 	    && termcap_active
2747 # ifdef UNIX
2748 	    && (is_not_a_term() || (isatty(1) && isatty(read_cmd_fd)))
2749 # endif
2750 	    && p_ek;
2751 }
2752 
2753 static int winpos_x;
2754 static int winpos_y;
2755 static int waiting_for_winpos = FALSE;
2756 
2757 /*
2758  * Try getting the Vim window position from the terminal.
2759  * Returns OK or FAIL.
2760  */
2761     int
2762 term_get_winpos(int *x, int *y)
2763 {
2764     int count = 0;
2765 
2766     if (*T_CGP == NUL || !can_get_termresponse())
2767 	return FAIL;
2768     winpos_x = -1;
2769     winpos_y = -1;
2770     waiting_for_winpos = TRUE;
2771     OUT_STR(T_CGP);
2772     out_flush();
2773 
2774     /* Try reading the result for 100 msec. */
2775     while (count++ < 10)
2776     {
2777 	(void)vpeekc_nomap();
2778 	if (winpos_x >= 0 && winpos_y >= 0)
2779 	{
2780 	    *x = winpos_x;
2781 	    *y = winpos_y;
2782 	    waiting_for_winpos = FALSE;
2783 	    return OK;
2784 	}
2785 	ui_delay(10, FALSE);
2786     }
2787     waiting_for_winpos = FALSE;
2788     return FALSE;
2789 }
2790 # endif
2791 
2792     void
2793 term_set_winsize(int height, int width)
2794 {
2795     OUT_STR(tgoto((char *)T_CWS, width, height));
2796 }
2797 #endif
2798 
2799     void
2800 term_fg_color(int n)
2801 {
2802     /* Use "AF" termcap entry if present, "Sf" entry otherwise */
2803     if (*T_CAF)
2804 	term_color(T_CAF, n);
2805     else if (*T_CSF)
2806 	term_color(T_CSF, n);
2807 }
2808 
2809     void
2810 term_bg_color(int n)
2811 {
2812     /* Use "AB" termcap entry if present, "Sb" entry otherwise */
2813     if (*T_CAB)
2814 	term_color(T_CAB, n);
2815     else if (*T_CSB)
2816 	term_color(T_CSB, n);
2817 }
2818 
2819     static void
2820 term_color(char_u *s, int n)
2821 {
2822     char	buf[20];
2823     int i = 2;	/* index in s[] just after <Esc>[ or CSI */
2824 
2825     /* Special handling of 16 colors, because termcap can't handle it */
2826     /* Also accept "\e[3%dm" for TERMINFO, it is sometimes used */
2827     /* Also accept CSI instead of <Esc>[ */
2828     if (n >= 8 && t_colors >= 16
2829 	      && ((s[0] == ESC && s[1] == '[') || (s[0] == CSI && (i = 1) == 1))
2830 	      && s[i] != NUL
2831 	      && (STRCMP(s + i + 1, "%p1%dm") == 0
2832 		  || STRCMP(s + i + 1, "%dm") == 0)
2833 	      && (s[i] == '3' || s[i] == '4'))
2834     {
2835 #ifdef TERMINFO
2836 	char *format = "%s%s%%p1%%dm";
2837 #else
2838 	char *format = "%s%s%%dm";
2839 #endif
2840 	sprintf(buf, format,
2841 		i == 2 ? IF_EB("\033[", ESC_STR "[") : "\233",
2842 		s[i] == '3' ? (n >= 16 ? "38;5;" : "9")
2843 			    : (n >= 16 ? "48;5;" : "10"));
2844 	OUT_STR(tgoto(buf, 0, n >= 16 ? n : n - 8));
2845     }
2846     else
2847 	OUT_STR(tgoto((char *)s, 0, n));
2848 }
2849 
2850 #if defined(FEAT_TERMGUICOLORS) || defined(PROTO)
2851 
2852 #define RED(rgb)   (((long_u)(rgb) >> 16) & 0xFF)
2853 #define GREEN(rgb) (((long_u)(rgb) >>  8) & 0xFF)
2854 #define BLUE(rgb)  (((long_u)(rgb)      ) & 0xFF)
2855 
2856     static void
2857 term_rgb_color(char_u *s, guicolor_T rgb)
2858 {
2859 #define MAX_COLOR_STR_LEN 100
2860     char	buf[MAX_COLOR_STR_LEN];
2861 
2862     vim_snprintf(buf, MAX_COLOR_STR_LEN,
2863 				  (char *)s, RED(rgb), GREEN(rgb), BLUE(rgb));
2864     OUT_STR(buf);
2865 }
2866 
2867     void
2868 term_fg_rgb_color(guicolor_T rgb)
2869 {
2870     term_rgb_color(T_8F, rgb);
2871 }
2872 
2873     void
2874 term_bg_rgb_color(guicolor_T rgb)
2875 {
2876     term_rgb_color(T_8B, rgb);
2877 }
2878 #endif
2879 
2880 #if (defined(FEAT_TITLE) && (defined(UNIX) || defined(VMS) \
2881 	|| defined(MACOS_X))) || defined(PROTO)
2882 /*
2883  * Generic function to set window title, using t_ts and t_fs.
2884  */
2885     void
2886 term_settitle(char_u *title)
2887 {
2888     /* t_ts takes one argument: column in status line */
2889     OUT_STR(tgoto((char *)T_TS, 0, 0));	/* set title start */
2890     out_str_nf(title);
2891     out_str(T_FS);			/* set title end */
2892     out_flush();
2893 }
2894 #endif
2895 
2896 /*
2897  * Make sure we have a valid set or terminal options.
2898  * Replace all entries that are NULL by empty_option
2899  */
2900     void
2901 ttest(int pairs)
2902 {
2903     char_u *env_colors;
2904 
2905     check_options();		    /* make sure no options are NULL */
2906 
2907     /*
2908      * MUST have "cm": cursor motion.
2909      */
2910     if (*T_CM == NUL)
2911 	EMSG(_("E437: terminal capability \"cm\" required"));
2912 
2913     /*
2914      * if "cs" defined, use a scroll region, it's faster.
2915      */
2916     if (*T_CS != NUL)
2917 	scroll_region = TRUE;
2918     else
2919 	scroll_region = FALSE;
2920 
2921     if (pairs)
2922     {
2923 	/*
2924 	 * optional pairs
2925 	 */
2926 	/* TP goes to normal mode for TI (invert) and TB (bold) */
2927 	if (*T_ME == NUL)
2928 	    T_ME = T_MR = T_MD = T_MB = empty_option;
2929 	if (*T_SO == NUL || *T_SE == NUL)
2930 	    T_SO = T_SE = empty_option;
2931 	if (*T_US == NUL || *T_UE == NUL)
2932 	    T_US = T_UE = empty_option;
2933 	if (*T_CZH == NUL || *T_CZR == NUL)
2934 	    T_CZH = T_CZR = empty_option;
2935 
2936 	/* T_VE is needed even though T_VI is not defined */
2937 	if (*T_VE == NUL)
2938 	    T_VI = empty_option;
2939 
2940 	/* if 'mr' or 'me' is not defined use 'so' and 'se' */
2941 	if (*T_ME == NUL)
2942 	{
2943 	    T_ME = T_SE;
2944 	    T_MR = T_SO;
2945 	    T_MD = T_SO;
2946 	}
2947 
2948 	/* if 'so' or 'se' is not defined use 'mr' and 'me' */
2949 	if (*T_SO == NUL)
2950 	{
2951 	    T_SE = T_ME;
2952 	    if (*T_MR == NUL)
2953 		T_SO = T_MD;
2954 	    else
2955 		T_SO = T_MR;
2956 	}
2957 
2958 	/* if 'ZH' or 'ZR' is not defined use 'mr' and 'me' */
2959 	if (*T_CZH == NUL)
2960 	{
2961 	    T_CZR = T_ME;
2962 	    if (*T_MR == NUL)
2963 		T_CZH = T_MD;
2964 	    else
2965 		T_CZH = T_MR;
2966 	}
2967 
2968 	/* "Sb" and "Sf" come in pairs */
2969 	if (*T_CSB == NUL || *T_CSF == NUL)
2970 	{
2971 	    T_CSB = empty_option;
2972 	    T_CSF = empty_option;
2973 	}
2974 
2975 	/* "AB" and "AF" come in pairs */
2976 	if (*T_CAB == NUL || *T_CAF == NUL)
2977 	{
2978 	    T_CAB = empty_option;
2979 	    T_CAF = empty_option;
2980 	}
2981 
2982 	/* if 'Sb' and 'AB' are not defined, reset "Co" */
2983 	if (*T_CSB == NUL && *T_CAB == NUL)
2984 	    free_one_termoption(T_CCO);
2985 
2986 	/* Set 'weirdinvert' according to value of 't_xs' */
2987 	p_wiv = (*T_XS != NUL);
2988     }
2989     need_gather = TRUE;
2990 
2991     /* Set t_colors to the value of $COLORS or t_Co. */
2992     t_colors = atoi((char *)T_CCO);
2993     env_colors = mch_getenv((char_u *)"COLORS");
2994     if (env_colors != NULL && isdigit(*env_colors))
2995     {
2996 	int colors = atoi((char *)env_colors);
2997 
2998 	if (colors != t_colors)
2999 	    set_color_count(colors);
3000     }
3001 }
3002 
3003 #if (defined(FEAT_GUI) && (defined(FEAT_MENU) || !defined(USE_ON_FLY_SCROLL))) \
3004 	|| defined(PROTO)
3005 /*
3006  * Represent the given long_u as individual bytes, with the most significant
3007  * byte first, and store them in dst.
3008  */
3009     void
3010 add_long_to_buf(long_u val, char_u *dst)
3011 {
3012     int	    i;
3013     int	    shift;
3014 
3015     for (i = 1; i <= (int)sizeof(long_u); i++)
3016     {
3017 	shift = 8 * (sizeof(long_u) - i);
3018 	dst[i - 1] = (char_u) ((val >> shift) & 0xff);
3019     }
3020 }
3021 
3022 static int get_long_from_buf(char_u *buf, long_u *val);
3023 
3024 /*
3025  * Interpret the next string of bytes in buf as a long integer, with the most
3026  * significant byte first.  Note that it is assumed that buf has been through
3027  * inchar(), so that NUL and K_SPECIAL will be represented as three bytes each.
3028  * Puts result in val, and returns the number of bytes read from buf
3029  * (between sizeof(long_u) and 2 * sizeof(long_u)), or -1 if not enough bytes
3030  * were present.
3031  */
3032     static int
3033 get_long_from_buf(char_u *buf, long_u *val)
3034 {
3035     int	    len;
3036     char_u  bytes[sizeof(long_u)];
3037     int	    i;
3038     int	    shift;
3039 
3040     *val = 0;
3041     len = get_bytes_from_buf(buf, bytes, (int)sizeof(long_u));
3042     if (len != -1)
3043     {
3044 	for (i = 0; i < (int)sizeof(long_u); i++)
3045 	{
3046 	    shift = 8 * (sizeof(long_u) - 1 - i);
3047 	    *val += (long_u)bytes[i] << shift;
3048 	}
3049     }
3050     return len;
3051 }
3052 #endif
3053 
3054 #if defined(FEAT_GUI) \
3055     || (defined(FEAT_MOUSE) && (!defined(UNIX) || defined(FEAT_MOUSE_XTERM) \
3056 		|| defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)))
3057 /*
3058  * Read the next num_bytes bytes from buf, and store them in bytes.  Assume
3059  * that buf has been through inchar().	Returns the actual number of bytes used
3060  * from buf (between num_bytes and num_bytes*2), or -1 if not enough bytes were
3061  * available.
3062  */
3063     static int
3064 get_bytes_from_buf(char_u *buf, char_u *bytes, int num_bytes)
3065 {
3066     int	    len = 0;
3067     int	    i;
3068     char_u  c;
3069 
3070     for (i = 0; i < num_bytes; i++)
3071     {
3072 	if ((c = buf[len++]) == NUL)
3073 	    return -1;
3074 	if (c == K_SPECIAL)
3075 	{
3076 	    if (buf[len] == NUL || buf[len + 1] == NUL)	    /* cannot happen? */
3077 		return -1;
3078 	    if (buf[len++] == (int)KS_ZERO)
3079 		c = NUL;
3080 	    /* else it should be KS_SPECIAL; when followed by KE_FILLER c is
3081 	     * K_SPECIAL, or followed by KE_CSI and c must be CSI. */
3082 	    if (buf[len++] == (int)KE_CSI)
3083 		c = CSI;
3084 	}
3085 	else if (c == CSI && buf[len] == KS_EXTRA
3086 					       && buf[len + 1] == (int)KE_CSI)
3087 	    /* CSI is stored as CSI KS_SPECIAL KE_CSI to avoid confusion with
3088 	     * the start of a special key, see add_to_input_buf_csi(). */
3089 	    len += 2;
3090 	bytes[i] = c;
3091     }
3092     return len;
3093 }
3094 #endif
3095 
3096 /*
3097  * Check if the new shell size is valid, correct it if it's too small or way
3098  * too big.
3099  */
3100     void
3101 check_shellsize(void)
3102 {
3103     if (Rows < min_rows())	/* need room for one window and command line */
3104 	Rows = min_rows();
3105     limit_screen_size();
3106 }
3107 
3108 /*
3109  * Limit Rows and Columns to avoid an overflow in Rows * Columns.
3110  */
3111     void
3112 limit_screen_size(void)
3113 {
3114     if (Columns < MIN_COLUMNS)
3115 	Columns = MIN_COLUMNS;
3116     else if (Columns > 10000)
3117 	Columns = 10000;
3118     if (Rows > 1000)
3119 	Rows = 1000;
3120 }
3121 
3122 /*
3123  * Invoked just before the screen structures are going to be (re)allocated.
3124  */
3125     void
3126 win_new_shellsize(void)
3127 {
3128     static int	old_Rows = 0;
3129     static int	old_Columns = 0;
3130 
3131     if (old_Rows != Rows || old_Columns != Columns)
3132 	ui_new_shellsize();
3133     if (old_Rows != Rows)
3134     {
3135 	/* if 'window' uses the whole screen, keep it using that */
3136 	if (p_window == old_Rows - 1 || old_Rows == 0)
3137 	    p_window = Rows - 1;
3138 	old_Rows = Rows;
3139 	shell_new_rows();	/* update window sizes */
3140     }
3141     if (old_Columns != Columns)
3142     {
3143 	old_Columns = Columns;
3144 	shell_new_columns();	/* update window sizes */
3145     }
3146 }
3147 
3148 /*
3149  * Call this function when the Vim shell has been resized in any way.
3150  * Will obtain the current size and redraw (also when size didn't change).
3151  */
3152     void
3153 shell_resized(void)
3154 {
3155     set_shellsize(0, 0, FALSE);
3156 }
3157 
3158 /*
3159  * Check if the shell size changed.  Handle a resize.
3160  * When the size didn't change, nothing happens.
3161  */
3162     void
3163 shell_resized_check(void)
3164 {
3165     int		old_Rows = Rows;
3166     int		old_Columns = Columns;
3167 
3168     if (!exiting
3169 #ifdef FEAT_GUI
3170 	    /* Do not get the size when executing a shell command during
3171 	     * startup. */
3172 	    && !gui.starting
3173 #endif
3174 	    )
3175     {
3176 	(void)ui_get_shellsize();
3177 	check_shellsize();
3178 	if (old_Rows != Rows || old_Columns != Columns)
3179 	    shell_resized();
3180     }
3181 }
3182 
3183 /*
3184  * Set size of the Vim shell.
3185  * If 'mustset' is TRUE, we must set Rows and Columns, do not get the real
3186  * window size (this is used for the :win command).
3187  * If 'mustset' is FALSE, we may try to get the real window size and if
3188  * it fails use 'width' and 'height'.
3189  */
3190     void
3191 set_shellsize(int width, int height, int mustset)
3192 {
3193     static int		busy = FALSE;
3194 
3195     /*
3196      * Avoid recursiveness, can happen when setting the window size causes
3197      * another window-changed signal.
3198      */
3199     if (busy)
3200 	return;
3201 
3202     if (width < 0 || height < 0)    /* just checking... */
3203 	return;
3204 
3205     if (State == HITRETURN || State == SETWSIZE)
3206     {
3207 	/* postpone the resizing */
3208 	State = SETWSIZE;
3209 	return;
3210     }
3211 
3212     /* curwin->w_buffer can be NULL when we are closing a window and the
3213      * buffer has already been closed and removing a scrollbar causes a resize
3214      * event. Don't resize then, it will happen after entering another buffer.
3215      */
3216     if (curwin->w_buffer == NULL)
3217 	return;
3218 
3219     ++busy;
3220 
3221 #ifdef AMIGA
3222     out_flush();	    /* must do this before mch_get_shellsize() for
3223 			       some obscure reason */
3224 #endif
3225 
3226     if (mustset || (ui_get_shellsize() == FAIL && height != 0))
3227     {
3228 	Rows = height;
3229 	Columns = width;
3230 	check_shellsize();
3231 	ui_set_shellsize(mustset);
3232     }
3233     else
3234 	check_shellsize();
3235 
3236     /* The window layout used to be adjusted here, but it now happens in
3237      * screenalloc() (also invoked from screenclear()).  That is because the
3238      * "busy" check above may skip this, but not screenalloc(). */
3239 
3240     if (State != ASKMORE && State != EXTERNCMD && State != CONFIRM)
3241 	screenclear();
3242     else
3243 	screen_start();	    /* don't know where cursor is now */
3244 
3245     if (starting != NO_SCREEN)
3246     {
3247 #ifdef FEAT_TITLE
3248 	maketitle();
3249 #endif
3250 	changed_line_abv_curs();
3251 	invalidate_botline();
3252 
3253 	/*
3254 	 * We only redraw when it's needed:
3255 	 * - While at the more prompt or executing an external command, don't
3256 	 *   redraw, but position the cursor.
3257 	 * - While editing the command line, only redraw that.
3258 	 * - in Ex mode, don't redraw anything.
3259 	 * - Otherwise, redraw right now, and position the cursor.
3260 	 * Always need to call update_screen() or screenalloc(), to make
3261 	 * sure Rows/Columns and the size of ScreenLines[] is correct!
3262 	 */
3263 	if (State == ASKMORE || State == EXTERNCMD || State == CONFIRM
3264 							     || exmode_active)
3265 	{
3266 	    screenalloc(FALSE);
3267 	    repeat_message();
3268 	}
3269 	else
3270 	{
3271 #ifdef FEAT_SCROLLBIND
3272 	    if (curwin->w_p_scb)
3273 		do_check_scrollbind(TRUE);
3274 #endif
3275 	    if (State & CMDLINE)
3276 	    {
3277 		update_screen(NOT_VALID);
3278 		redrawcmdline();
3279 	    }
3280 	    else
3281 	    {
3282 		update_topline();
3283 #if defined(FEAT_INS_EXPAND)
3284 		if (pum_visible())
3285 		{
3286 		    redraw_later(NOT_VALID);
3287 		    ins_compl_show_pum();
3288 		}
3289 #endif
3290 		update_screen(NOT_VALID);
3291 		if (redrawing())
3292 		    setcursor();
3293 	    }
3294 	}
3295 	cursor_on();	    /* redrawing may have switched it off */
3296     }
3297     out_flush();
3298     --busy;
3299 }
3300 
3301 /*
3302  * Set the terminal to TMODE_RAW (for Normal mode) or TMODE_COOK (for external
3303  * commands and Ex mode).
3304  */
3305     void
3306 settmode(int tmode)
3307 {
3308 #ifdef FEAT_GUI
3309     /* don't set the term where gvim was started to any mode */
3310     if (gui.in_use)
3311 	return;
3312 #endif
3313 
3314     if (full_screen)
3315     {
3316 	/*
3317 	 * When returning after calling a shell we want to really set the
3318 	 * terminal to raw mode, even though we think it already is, because
3319 	 * the shell program may have reset the terminal mode.
3320 	 * When we think the terminal is normal, don't try to set it to
3321 	 * normal again, because that causes problems (logout!) on some
3322 	 * machines.
3323 	 */
3324 	if (tmode != TMODE_COOK || cur_tmode != TMODE_COOK)
3325 	{
3326 #ifdef FEAT_TERMRESPONSE
3327 # ifdef FEAT_GUI
3328 	    if (!gui.in_use && !gui.starting)
3329 # endif
3330 	    {
3331 		/* May need to check for T_CRV response and termcodes, it
3332 		 * doesn't work in Cooked mode, an external program may get
3333 		 * them. */
3334 		if (tmode != TMODE_RAW && (crv_status == STATUS_SENT
3335 					 || u7_status == STATUS_SENT
3336 #ifdef FEAT_TERMINAL
3337 					 || rfg_status == STATUS_SENT
3338 #endif
3339 					 || rbg_status == STATUS_SENT
3340 					 || rbm_status == STATUS_SENT
3341 					 || rcs_status == STATUS_SENT))
3342 		    (void)vpeekc_nomap();
3343 		check_for_codes_from_term();
3344 	    }
3345 #endif
3346 #ifdef FEAT_MOUSE_TTY
3347 	    if (tmode != TMODE_RAW)
3348 		mch_setmouse(FALSE);	/* switch mouse off */
3349 #endif
3350 	    if (tmode != TMODE_RAW)
3351 		out_str(T_BD);		/* disable bracketed paste mode */
3352 	    out_flush();
3353 	    mch_settmode(tmode);	/* machine specific function */
3354 	    cur_tmode = tmode;
3355 #ifdef FEAT_MOUSE
3356 	    if (tmode == TMODE_RAW)
3357 		setmouse();		/* may switch mouse on */
3358 #endif
3359 	    if (tmode == TMODE_RAW)
3360 		out_str(T_BE);		/* enable bracketed paste mode */
3361 	    out_flush();
3362 	}
3363 #ifdef FEAT_TERMRESPONSE
3364 	may_req_termresponse();
3365 #endif
3366     }
3367 }
3368 
3369     void
3370 starttermcap(void)
3371 {
3372     if (full_screen && !termcap_active)
3373     {
3374 	out_str(T_TI);			/* start termcap mode */
3375 	out_str(T_KS);			/* start "keypad transmit" mode */
3376 	out_str(T_BE);			/* enable bracketed paste mode */
3377 	out_flush();
3378 	termcap_active = TRUE;
3379 	screen_start();			/* don't know where cursor is now */
3380 #ifdef FEAT_TERMRESPONSE
3381 # ifdef FEAT_GUI
3382 	if (!gui.in_use && !gui.starting)
3383 # endif
3384 	{
3385 	    may_req_termresponse();
3386 	    /* Immediately check for a response.  If t_Co changes, we don't
3387 	     * want to redraw with wrong colors first. */
3388 	    if (crv_status == STATUS_SENT)
3389 		check_for_codes_from_term();
3390 	}
3391 #endif
3392     }
3393 }
3394 
3395     void
3396 stoptermcap(void)
3397 {
3398     screen_stop_highlight();
3399     reset_cterm_colors();
3400     if (termcap_active)
3401     {
3402 #ifdef FEAT_TERMRESPONSE
3403 # ifdef FEAT_GUI
3404 	if (!gui.in_use && !gui.starting)
3405 # endif
3406 	{
3407 	    /* May need to discard T_CRV, T_U7 or T_RBG response. */
3408 	    if (crv_status == STATUS_SENT
3409 		    || u7_status == STATUS_SENT
3410 # ifdef FEAT_TERMINAL
3411 		    || rfg_status == STATUS_SENT
3412 # endif
3413 		    || rbg_status == STATUS_SENT
3414 		    || rbm_status == STATUS_SENT
3415 		    || rcs_status == STATUS_SENT)
3416 	    {
3417 # ifdef UNIX
3418 		/* Give the terminal a chance to respond. */
3419 		mch_delay(100L, FALSE);
3420 # endif
3421 # ifdef TCIFLUSH
3422 		/* Discard data received but not read. */
3423 		if (exiting)
3424 		    tcflush(fileno(stdin), TCIFLUSH);
3425 # endif
3426 	    }
3427 	    /* Check for termcodes first, otherwise an external program may
3428 	     * get them. */
3429 	    check_for_codes_from_term();
3430 	}
3431 #endif
3432 	out_str(T_BD);			/* disable bracketed paste mode */
3433 	out_str(T_KE);			/* stop "keypad transmit" mode */
3434 	out_flush();
3435 	termcap_active = FALSE;
3436 	cursor_on();			/* just in case it is still off */
3437 	out_str(T_TE);			/* stop termcap mode */
3438 	screen_start();			/* don't know where cursor is now */
3439 	out_flush();
3440     }
3441 }
3442 
3443 #if defined(FEAT_TERMRESPONSE) || defined(PROTO)
3444 /*
3445  * Request version string (for xterm) when needed.
3446  * Only do this after switching to raw mode, otherwise the result will be
3447  * echoed.
3448  * Only do this after startup has finished, to avoid that the response comes
3449  * while executing "-c !cmd" or even after "-c quit".
3450  * Only do this after termcap mode has been started, otherwise the codes for
3451  * the cursor keys may be wrong.
3452  * Only do this when 'esckeys' is on, otherwise the response causes trouble in
3453  * Insert mode.
3454  * On Unix only do it when both output and input are a tty (avoid writing
3455  * request to terminal while reading from a file).
3456  * The result is caught in check_termcode().
3457  */
3458     void
3459 may_req_termresponse(void)
3460 {
3461     if (crv_status == STATUS_GET
3462 	    && can_get_termresponse()
3463 	    && starting == 0
3464 	    && *T_CRV != NUL)
3465     {
3466 	LOG_TR("Sending CRV request");
3467 	out_str(T_CRV);
3468 	crv_status = STATUS_SENT;
3469 	/* check for the characters now, otherwise they might be eaten by
3470 	 * get_keystroke() */
3471 	out_flush();
3472 	(void)vpeekc_nomap();
3473     }
3474 }
3475 
3476 # if defined(FEAT_MBYTE) || defined(PROTO)
3477 /*
3478  * Check how the terminal treats ambiguous character width (UAX #11).
3479  * First, we move the cursor to (1, 0) and print a test ambiguous character
3480  * \u25bd (WHITE DOWN-POINTING TRIANGLE) and query current cursor position.
3481  * If the terminal treats \u25bd as single width, the position is (1, 1),
3482  * or if it is treated as double width, that will be (1, 2).
3483  * This function has the side effect that changes cursor position, so
3484  * it must be called immediately after entering termcap mode.
3485  */
3486     void
3487 may_req_ambiguous_char_width(void)
3488 {
3489     if (u7_status == STATUS_GET
3490 	    && can_get_termresponse()
3491 	    && starting == 0
3492 	    && *T_U7 != NUL
3493 	    && !option_was_set((char_u *)"ambiwidth"))
3494     {
3495 	 char_u	buf[16];
3496 
3497 	 LOG_TR("Sending U7 request");
3498 	 /* Do this in the second row.  In the first row the returned sequence
3499 	  * may be CSI 1;2R, which is the same as <S-F3>. */
3500 	 term_windgoto(1, 0);
3501 	 buf[mb_char2bytes(0x25bd, buf)] = 0;
3502 	 out_str(buf);
3503 	 out_str(T_U7);
3504 	 u7_status = STATUS_SENT;
3505 	 out_flush();
3506 
3507 	 /* This overwrites a few characters on the screen, a redraw is needed
3508 	  * after this. Clear them out for now. */
3509 	 term_windgoto(1, 0);
3510 	 out_str((char_u *)"  ");
3511 	 term_windgoto(0, 0);
3512 
3513 	 /* Need to reset the known cursor position. */
3514 	 screen_start();
3515 
3516 	 /* check for the characters now, otherwise they might be eaten by
3517 	  * get_keystroke() */
3518 	 out_flush();
3519 	 (void)vpeekc_nomap();
3520     }
3521 }
3522 # endif
3523 
3524 /*
3525  * Similar to requesting the version string: Request the terminal background
3526  * color when it is the right moment.
3527  */
3528     void
3529 may_req_bg_color(void)
3530 {
3531     if (can_get_termresponse() && starting == 0)
3532     {
3533 	int didit = FALSE;
3534 
3535 # ifdef FEAT_TERMINAL
3536 	/* Only request foreground if t_RF is set. */
3537 	if (rfg_status == STATUS_GET && *T_RFG != NUL)
3538 	{
3539 	    LOG_TR("Sending FG request");
3540 	    out_str(T_RFG);
3541 	    rfg_status = STATUS_SENT;
3542 	    didit = TRUE;
3543 	}
3544 # endif
3545 
3546 	/* Only request background if t_RB is set. */
3547 	if (rbg_status == STATUS_GET && *T_RBG != NUL)
3548 	{
3549 	    LOG_TR("Sending BG request");
3550 	    out_str(T_RBG);
3551 	    rbg_status = STATUS_SENT;
3552 	    didit = TRUE;
3553 	}
3554 
3555 	if (didit)
3556 	{
3557 	    /* check for the characters now, otherwise they might be eaten by
3558 	     * get_keystroke() */
3559 	    out_flush();
3560 	    (void)vpeekc_nomap();
3561 	}
3562     }
3563 }
3564 
3565 # ifdef DEBUG_TERMRESPONSE
3566     static void
3567 log_tr(char *msg)
3568 {
3569     static FILE *fd_tr = NULL;
3570     static proftime_T start;
3571     proftime_T now;
3572 
3573     if (fd_tr == NULL)
3574     {
3575 	fd_tr = fopen("termresponse.log", "w");
3576 	profile_start(&start);
3577     }
3578     now = start;
3579     profile_end(&now);
3580     fprintf(fd_tr, "%s: %s %s\n",
3581 	    profile_msg(&now),
3582 	    must_redraw == NOT_VALID ? "NV"
3583 					 : must_redraw == CLEAR ? "CL" : "  ",
3584 	    msg);
3585 }
3586 # endif
3587 #endif
3588 
3589 /*
3590  * Return TRUE when saving and restoring the screen.
3591  */
3592     int
3593 swapping_screen(void)
3594 {
3595     return (full_screen && *T_TI != NUL);
3596 }
3597 
3598 #ifdef FEAT_MOUSE
3599 /*
3600  * setmouse() - switch mouse on/off depending on current mode and 'mouse'
3601  */
3602     void
3603 setmouse(void)
3604 {
3605 # ifdef FEAT_MOUSE_TTY
3606     int	    checkfor;
3607 # endif
3608 
3609 # ifdef FEAT_MOUSESHAPE
3610     update_mouseshape(-1);
3611 # endif
3612 
3613 # ifdef FEAT_MOUSE_TTY /* Should be outside proc, but may break MOUSESHAPE */
3614 #  ifdef FEAT_GUI
3615     /* In the GUI the mouse is always enabled. */
3616     if (gui.in_use)
3617 	return;
3618 #  endif
3619     /* be quick when mouse is off */
3620     if (*p_mouse == NUL || has_mouse_termcode == 0)
3621 	return;
3622 
3623     /* don't switch mouse on when not in raw mode (Ex mode) */
3624     if (cur_tmode != TMODE_RAW)
3625     {
3626 	mch_setmouse(FALSE);
3627 	return;
3628     }
3629 
3630     if (VIsual_active)
3631 	checkfor = MOUSE_VISUAL;
3632     else if (State == HITRETURN || State == ASKMORE || State == SETWSIZE)
3633 	checkfor = MOUSE_RETURN;
3634     else if (State & INSERT)
3635 	checkfor = MOUSE_INSERT;
3636     else if (State & CMDLINE)
3637 	checkfor = MOUSE_COMMAND;
3638     else if (State == CONFIRM || State == EXTERNCMD)
3639 	checkfor = ' '; /* don't use mouse for ":confirm" or ":!cmd" */
3640     else
3641 	checkfor = MOUSE_NORMAL;    /* assume normal mode */
3642 
3643     if (mouse_has(checkfor))
3644 	mch_setmouse(TRUE);
3645     else
3646 	mch_setmouse(FALSE);
3647 # endif
3648 }
3649 
3650 /*
3651  * Return TRUE if
3652  * - "c" is in 'mouse', or
3653  * - 'a' is in 'mouse' and "c" is in MOUSE_A, or
3654  * - the current buffer is a help file and 'h' is in 'mouse' and we are in a
3655  *   normal editing mode (not at hit-return message).
3656  */
3657     int
3658 mouse_has(int c)
3659 {
3660     char_u	*p;
3661 
3662     for (p = p_mouse; *p; ++p)
3663 	switch (*p)
3664 	{
3665 	    case 'a': if (vim_strchr((char_u *)MOUSE_A, c) != NULL)
3666 			  return TRUE;
3667 		      break;
3668 	    case MOUSE_HELP: if (c != MOUSE_RETURN && curbuf->b_help)
3669 				 return TRUE;
3670 			     break;
3671 	    default: if (c == *p) return TRUE; break;
3672 	}
3673     return FALSE;
3674 }
3675 
3676 /*
3677  * Return TRUE when 'mousemodel' is set to "popup" or "popup_setpos".
3678  */
3679     int
3680 mouse_model_popup(void)
3681 {
3682     return (p_mousem[0] == 'p');
3683 }
3684 #endif
3685 
3686 /*
3687  * By outputting the 'cursor very visible' termcap code, for some windowed
3688  * terminals this makes the screen scrolled to the correct position.
3689  * Used when starting Vim or returning from a shell.
3690  */
3691     void
3692 scroll_start(void)
3693 {
3694     if (*T_VS != NUL && *T_CVS != NUL)
3695     {
3696 	out_str(T_VS);
3697 	out_str(T_CVS);
3698 	screen_start();		/* don't know where cursor is now */
3699     }
3700 }
3701 
3702 static int cursor_is_off = FALSE;
3703 
3704 /*
3705  * Enable the cursor.
3706  */
3707     void
3708 cursor_on(void)
3709 {
3710     if (cursor_is_off)
3711     {
3712 	out_str(T_VE);
3713 	cursor_is_off = FALSE;
3714     }
3715 }
3716 
3717 /*
3718  * Disable the cursor.
3719  */
3720     void
3721 cursor_off(void)
3722 {
3723     if (full_screen && !cursor_is_off)
3724     {
3725 	out_str(T_VI);	    /* disable cursor */
3726 	cursor_is_off = TRUE;
3727     }
3728 }
3729 
3730 #if defined(CURSOR_SHAPE) || defined(PROTO)
3731 /*
3732  * Set cursor shape to match Insert or Replace mode.
3733  */
3734     void
3735 term_cursor_mode(int forced)
3736 {
3737     static int showing_mode = -1;
3738     char_u *p;
3739 
3740     /* Only do something when redrawing the screen and we can restore the
3741      * mode. */
3742     if (!full_screen || *T_CEI == NUL)
3743     {
3744 # ifdef FEAT_TERMRESPONSE
3745 	if (forced && initial_cursor_shape > 0)
3746 	    /* Restore to initial values. */
3747 	    term_cursor_shape(initial_cursor_shape, initial_cursor_blink);
3748 # endif
3749 	return;
3750     }
3751 
3752     if ((State & REPLACE) == REPLACE)
3753     {
3754 	if (forced || showing_mode != REPLACE)
3755 	{
3756 	    if (*T_CSR != NUL)
3757 		p = T_CSR;	/* Replace mode cursor */
3758 	    else
3759 		p = T_CSI;	/* fall back to Insert mode cursor */
3760 	    if (*p != NUL)
3761 	    {
3762 		out_str(p);
3763 		showing_mode = REPLACE;
3764 	    }
3765 	}
3766     }
3767     else if (State & INSERT)
3768     {
3769 	if ((forced || showing_mode != INSERT) && *T_CSI != NUL)
3770 	{
3771 	    out_str(T_CSI);	    /* Insert mode cursor */
3772 	    showing_mode = INSERT;
3773 	}
3774     }
3775     else if (forced || showing_mode != NORMAL)
3776     {
3777 	out_str(T_CEI);		    /* non-Insert mode cursor */
3778 	showing_mode = NORMAL;
3779     }
3780 }
3781 
3782 # if defined(FEAT_TERMINAL) || defined(PROTO)
3783     void
3784 term_cursor_color(char_u *color)
3785 {
3786     if (*T_CSC != NUL)
3787     {
3788 	out_str(T_CSC);			/* set cursor color start */
3789 	out_str_nf(color);
3790 	out_str(T_CEC);			/* set cursor color end */
3791 	out_flush();
3792     }
3793 }
3794 # endif
3795 
3796     int
3797 blink_state_is_inverted()
3798 {
3799 #ifdef FEAT_TERMRESPONSE
3800     return rbm_status == STATUS_GOT && rcs_status == STATUS_GOT
3801 		&& initial_cursor_blink != initial_cursor_shape_blink;
3802 #else
3803     return FALSE;
3804 #endif
3805 }
3806 
3807 /*
3808  * "shape": 1 = block, 2 = underline, 3 = vertical bar
3809  */
3810     void
3811 term_cursor_shape(int shape, int blink)
3812 {
3813     if (*T_CSH != NUL)
3814     {
3815 	OUT_STR(tgoto((char *)T_CSH, 0, shape * 2 - blink));
3816 	out_flush();
3817     }
3818     else
3819     {
3820 	int do_blink = blink;
3821 
3822 	/* t_SH is empty: try setting just the blink state.
3823 	 * The blink flags are XORed together, if the initial blinking from
3824 	 * style and shape differs, we need to invert the flag here. */
3825 	if (blink_state_is_inverted())
3826 	    do_blink = !blink;
3827 
3828 	if (do_blink && *T_VS != NUL)
3829 	{
3830 	    out_str(T_VS);
3831 	    out_flush();
3832 	}
3833 	else if (!do_blink && *T_CVS != NUL)
3834 	{
3835 	    out_str(T_CVS);
3836 	    out_flush();
3837 	}
3838     }
3839 }
3840 #endif
3841 
3842 /*
3843  * Set scrolling region for window 'wp'.
3844  * The region starts 'off' lines from the start of the window.
3845  * Also set the vertical scroll region for a vertically split window.  Always
3846  * the full width of the window, excluding the vertical separator.
3847  */
3848     void
3849 scroll_region_set(win_T *wp, int off)
3850 {
3851     OUT_STR(tgoto((char *)T_CS, W_WINROW(wp) + wp->w_height - 1,
3852 							 W_WINROW(wp) + off));
3853     if (*T_CSV != NUL && wp->w_width != Columns)
3854 	OUT_STR(tgoto((char *)T_CSV, wp->w_wincol + wp->w_width - 1,
3855 							       wp->w_wincol));
3856     screen_start();		    /* don't know where cursor is now */
3857 }
3858 
3859 /*
3860  * Reset scrolling region to the whole screen.
3861  */
3862     void
3863 scroll_region_reset(void)
3864 {
3865     OUT_STR(tgoto((char *)T_CS, (int)Rows - 1, 0));
3866     if (*T_CSV != NUL)
3867 	OUT_STR(tgoto((char *)T_CSV, (int)Columns - 1, 0));
3868     screen_start();		    /* don't know where cursor is now */
3869 }
3870 
3871 
3872 /*
3873  * List of terminal codes that are currently recognized.
3874  */
3875 
3876 static struct termcode
3877 {
3878     char_u  name[2];	    /* termcap name of entry */
3879     char_u  *code;	    /* terminal code (in allocated memory) */
3880     int	    len;	    /* STRLEN(code) */
3881     int	    modlen;	    /* length of part before ";*~". */
3882 } *termcodes = NULL;
3883 
3884 static int  tc_max_len = 0; /* number of entries that termcodes[] can hold */
3885 static int  tc_len = 0;	    /* current number of entries in termcodes[] */
3886 
3887 static int termcode_star(char_u *code, int len);
3888 
3889     void
3890 clear_termcodes(void)
3891 {
3892     while (tc_len > 0)
3893 	vim_free(termcodes[--tc_len].code);
3894     vim_free(termcodes);
3895     termcodes = NULL;
3896     tc_max_len = 0;
3897 
3898 #ifdef HAVE_TGETENT
3899     BC = (char *)empty_option;
3900     UP = (char *)empty_option;
3901     PC = NUL;			/* set pad character to NUL */
3902     ospeed = 0;
3903 #endif
3904 
3905     need_gather = TRUE;		/* need to fill termleader[] */
3906 }
3907 
3908 #define ATC_FROM_TERM 55
3909 
3910 /*
3911  * Add a new entry to the list of terminal codes.
3912  * The list is kept alphabetical for ":set termcap"
3913  * "flags" is TRUE when replacing 7-bit by 8-bit controls is desired.
3914  * "flags" can also be ATC_FROM_TERM for got_code_from_term().
3915  */
3916     void
3917 add_termcode(char_u *name, char_u *string, int flags)
3918 {
3919     struct termcode *new_tc;
3920     int		    i, j;
3921     char_u	    *s;
3922     int		    len;
3923 
3924     if (string == NULL || *string == NUL)
3925     {
3926 	del_termcode(name);
3927 	return;
3928     }
3929 
3930 #if defined(WIN3264) && !defined(FEAT_GUI)
3931     s = vim_strnsave(string, (int)STRLEN(string) + 1);
3932 #else
3933     s = vim_strsave(string);
3934 #endif
3935     if (s == NULL)
3936 	return;
3937 
3938     /* Change leading <Esc>[ to CSI, change <Esc>O to <M-O>. */
3939     if (flags != 0 && flags != ATC_FROM_TERM && term_7to8bit(string) != 0)
3940     {
3941 	STRMOVE(s, s + 1);
3942 	s[0] = term_7to8bit(string);
3943     }
3944 
3945 #if defined(WIN3264) && !defined(FEAT_GUI)
3946     if (s[0] == K_NUL)
3947     {
3948 	STRMOVE(s + 1, s);
3949 	s[1] = 3;
3950     }
3951 #endif
3952 
3953     len = (int)STRLEN(s);
3954 
3955     need_gather = TRUE;		/* need to fill termleader[] */
3956 
3957     /*
3958      * need to make space for more entries
3959      */
3960     if (tc_len == tc_max_len)
3961     {
3962 	tc_max_len += 20;
3963 	new_tc = (struct termcode *)alloc(
3964 			    (unsigned)(tc_max_len * sizeof(struct termcode)));
3965 	if (new_tc == NULL)
3966 	{
3967 	    tc_max_len -= 20;
3968 	    return;
3969 	}
3970 	for (i = 0; i < tc_len; ++i)
3971 	    new_tc[i] = termcodes[i];
3972 	vim_free(termcodes);
3973 	termcodes = new_tc;
3974     }
3975 
3976     /*
3977      * Look for existing entry with the same name, it is replaced.
3978      * Look for an existing entry that is alphabetical higher, the new entry
3979      * is inserted in front of it.
3980      */
3981     for (i = 0; i < tc_len; ++i)
3982     {
3983 	if (termcodes[i].name[0] < name[0])
3984 	    continue;
3985 	if (termcodes[i].name[0] == name[0])
3986 	{
3987 	    if (termcodes[i].name[1] < name[1])
3988 		continue;
3989 	    /*
3990 	     * Exact match: May replace old code.
3991 	     */
3992 	    if (termcodes[i].name[1] == name[1])
3993 	    {
3994 		if (flags == ATC_FROM_TERM && (j = termcode_star(
3995 				    termcodes[i].code, termcodes[i].len)) > 0)
3996 		{
3997 		    /* Don't replace ESC[123;*X or ESC O*X with another when
3998 		     * invoked from got_code_from_term(). */
3999 		    if (len == termcodes[i].len - j
4000 			    && STRNCMP(s, termcodes[i].code, len - 1) == 0
4001 			    && s[len - 1]
4002 				   == termcodes[i].code[termcodes[i].len - 1])
4003 		    {
4004 			/* They are equal but for the ";*": don't add it. */
4005 			vim_free(s);
4006 			return;
4007 		    }
4008 		}
4009 		else
4010 		{
4011 		    /* Replace old code. */
4012 		    vim_free(termcodes[i].code);
4013 		    --tc_len;
4014 		    break;
4015 		}
4016 	    }
4017 	}
4018 	/*
4019 	 * Found alphabetical larger entry, move rest to insert new entry
4020 	 */
4021 	for (j = tc_len; j > i; --j)
4022 	    termcodes[j] = termcodes[j - 1];
4023 	break;
4024     }
4025 
4026     termcodes[i].name[0] = name[0];
4027     termcodes[i].name[1] = name[1];
4028     termcodes[i].code = s;
4029     termcodes[i].len = len;
4030 
4031     /* For xterm we recognize special codes like "ESC[42;*X" and "ESC O*X" that
4032      * accept modifiers. */
4033     termcodes[i].modlen = 0;
4034     j = termcode_star(s, len);
4035     if (j > 0)
4036 	termcodes[i].modlen = len - 1 - j;
4037     ++tc_len;
4038 }
4039 
4040 /*
4041  * Check termcode "code[len]" for ending in ;*X or *X.
4042  * The "X" can be any character.
4043  * Return 0 if not found, 2 for ;*X and 1 for *X.
4044  */
4045     static int
4046 termcode_star(char_u *code, int len)
4047 {
4048     /* Shortest is <M-O>*X.  With ; shortest is <CSI>1;*X */
4049     if (len >= 3 && code[len - 2] == '*')
4050     {
4051 	if (len >= 5 && code[len - 3] == ';')
4052 	    return 2;
4053 	else
4054 	    return 1;
4055     }
4056     return 0;
4057 }
4058 
4059     char_u  *
4060 find_termcode(char_u *name)
4061 {
4062     int	    i;
4063 
4064     for (i = 0; i < tc_len; ++i)
4065 	if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1])
4066 	    return termcodes[i].code;
4067     return NULL;
4068 }
4069 
4070 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
4071     char_u *
4072 get_termcode(int i)
4073 {
4074     if (i >= tc_len)
4075 	return NULL;
4076     return &termcodes[i].name[0];
4077 }
4078 #endif
4079 
4080     void
4081 del_termcode(char_u *name)
4082 {
4083     int	    i;
4084 
4085     if (termcodes == NULL)	/* nothing there yet */
4086 	return;
4087 
4088     need_gather = TRUE;		/* need to fill termleader[] */
4089 
4090     for (i = 0; i < tc_len; ++i)
4091 	if (termcodes[i].name[0] == name[0] && termcodes[i].name[1] == name[1])
4092 	{
4093 	    del_termcode_idx(i);
4094 	    return;
4095 	}
4096     /* not found. Give error message? */
4097 }
4098 
4099     static void
4100 del_termcode_idx(int idx)
4101 {
4102     int		i;
4103 
4104     vim_free(termcodes[idx].code);
4105     --tc_len;
4106     for (i = idx; i < tc_len; ++i)
4107 	termcodes[i] = termcodes[i + 1];
4108 }
4109 
4110 #ifdef FEAT_TERMRESPONSE
4111 /*
4112  * Called when detected that the terminal sends 8-bit codes.
4113  * Convert all 7-bit codes to their 8-bit equivalent.
4114  */
4115     static void
4116 switch_to_8bit(void)
4117 {
4118     int		i;
4119     int		c;
4120 
4121     /* Only need to do something when not already using 8-bit codes. */
4122     if (!term_is_8bit(T_NAME))
4123     {
4124 	for (i = 0; i < tc_len; ++i)
4125 	{
4126 	    c = term_7to8bit(termcodes[i].code);
4127 	    if (c != 0)
4128 	    {
4129 		STRMOVE(termcodes[i].code + 1, termcodes[i].code + 2);
4130 		termcodes[i].code[0] = c;
4131 	    }
4132 	}
4133 	need_gather = TRUE;		/* need to fill termleader[] */
4134     }
4135     detected_8bit = TRUE;
4136     LOG_TR("Switching to 8 bit");
4137 }
4138 #endif
4139 
4140 #ifdef CHECK_DOUBLE_CLICK
4141 static linenr_T orig_topline = 0;
4142 # ifdef FEAT_DIFF
4143 static int orig_topfill = 0;
4144 # endif
4145 #endif
4146 #if defined(CHECK_DOUBLE_CLICK) || defined(PROTO)
4147 /*
4148  * Checking for double clicks ourselves.
4149  * "orig_topline" is used to avoid detecting a double-click when the window
4150  * contents scrolled (e.g., when 'scrolloff' is non-zero).
4151  */
4152 /*
4153  * Set orig_topline.  Used when jumping to another window, so that a double
4154  * click still works.
4155  */
4156     void
4157 set_mouse_topline(win_T *wp)
4158 {
4159     orig_topline = wp->w_topline;
4160 # ifdef FEAT_DIFF
4161     orig_topfill = wp->w_topfill;
4162 # endif
4163 }
4164 #endif
4165 
4166 /*
4167  * Check if typebuf.tb_buf[] contains a terminal key code.
4168  * Check from typebuf.tb_buf[typebuf.tb_off] to typebuf.tb_buf[typebuf.tb_off
4169  * + max_offset].
4170  * Return 0 for no match, -1 for partial match, > 0 for full match.
4171  * Return KEYLEN_REMOVED when a key code was deleted.
4172  * With a match, the match is removed, the replacement code is inserted in
4173  * typebuf.tb_buf[] and the number of characters in typebuf.tb_buf[] is
4174  * returned.
4175  * When "buf" is not NULL, buf[bufsize] is used instead of typebuf.tb_buf[].
4176  * "buflen" is then the length of the string in buf[] and is updated for
4177  * inserts and deletes.
4178  */
4179     int
4180 check_termcode(
4181     int		max_offset,
4182     char_u	*buf,
4183     int		bufsize,
4184     int		*buflen)
4185 {
4186     char_u	*tp;
4187     char_u	*p;
4188     int		slen = 0;	/* init for GCC */
4189     int		modslen;
4190     int		len;
4191     int		retval = 0;
4192     int		offset;
4193     char_u	key_name[2];
4194     int		modifiers;
4195     char_u	*modifiers_start = NULL;
4196     int		key;
4197     int		new_slen;
4198     int		extra;
4199     char_u	string[MAX_KEY_CODE_LEN + 1];
4200     int		i, j;
4201     int		idx = 0;
4202 #ifdef FEAT_MOUSE
4203 # if !defined(UNIX) || defined(FEAT_MOUSE_XTERM) || defined(FEAT_GUI) \
4204     || defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)
4205     char_u	bytes[6];
4206     int		num_bytes;
4207 # endif
4208     int		mouse_code = 0;	    /* init for GCC */
4209     int		is_click, is_drag;
4210     int		wheel_code = 0;
4211     int		current_button;
4212     static int	held_button = MOUSE_RELEASE;
4213     static int	orig_num_clicks = 1;
4214     static int	orig_mouse_code = 0x0;
4215 # ifdef CHECK_DOUBLE_CLICK
4216     static int	orig_mouse_col = 0;
4217     static int	orig_mouse_row = 0;
4218     static struct timeval  orig_mouse_time = {0, 0};
4219 					/* time of previous mouse click */
4220     struct timeval  mouse_time;		/* time of current mouse click */
4221     long	timediff;		/* elapsed time in msec */
4222 # endif
4223 #endif
4224     int		cpo_koffset;
4225 #ifdef FEAT_MOUSE_GPM
4226     extern int	gpm_flag; /* gpm library variable */
4227 #endif
4228 
4229     cpo_koffset = (vim_strchr(p_cpo, CPO_KOFFSET) != NULL);
4230 
4231     /*
4232      * Speed up the checks for terminal codes by gathering all first bytes
4233      * used in termleader[].  Often this is just a single <Esc>.
4234      */
4235     if (need_gather)
4236 	gather_termleader();
4237 
4238     /*
4239      * Check at several positions in typebuf.tb_buf[], to catch something like
4240      * "x<Up>" that can be mapped. Stop at max_offset, because characters
4241      * after that cannot be used for mapping, and with @r commands
4242      * typebuf.tb_buf[] can become very long.
4243      * This is used often, KEEP IT FAST!
4244      */
4245     for (offset = 0; offset < max_offset; ++offset)
4246     {
4247 	if (buf == NULL)
4248 	{
4249 	    if (offset >= typebuf.tb_len)
4250 		break;
4251 	    tp = typebuf.tb_buf + typebuf.tb_off + offset;
4252 	    len = typebuf.tb_len - offset;	/* length of the input */
4253 	}
4254 	else
4255 	{
4256 	    if (offset >= *buflen)
4257 		break;
4258 	    tp = buf + offset;
4259 	    len = *buflen - offset;
4260 	}
4261 
4262 	/*
4263 	 * Don't check characters after K_SPECIAL, those are already
4264 	 * translated terminal chars (avoid translating ~@^Hx).
4265 	 */
4266 	if (*tp == K_SPECIAL)
4267 	{
4268 	    offset += 2;	/* there are always 2 extra characters */
4269 	    continue;
4270 	}
4271 
4272 	/*
4273 	 * Skip this position if the character does not appear as the first
4274 	 * character in term_strings. This speeds up a lot, since most
4275 	 * termcodes start with the same character (ESC or CSI).
4276 	 */
4277 	i = *tp;
4278 	for (p = termleader; *p && *p != i; ++p)
4279 	    ;
4280 	if (*p == NUL)
4281 	    continue;
4282 
4283 	/*
4284 	 * Skip this position if p_ek is not set and tp[0] is an ESC and we
4285 	 * are in Insert mode.
4286 	 */
4287 	if (*tp == ESC && !p_ek && (State & INSERT))
4288 	    continue;
4289 
4290 	key_name[0] = NUL;	/* no key name found yet */
4291 	key_name[1] = NUL;	/* no key name found yet */
4292 	modifiers = 0;		/* no modifiers yet */
4293 
4294 #ifdef FEAT_GUI
4295 	if (gui.in_use)
4296 	{
4297 	    /*
4298 	     * GUI special key codes are all of the form [CSI xx].
4299 	     */
4300 	    if (*tp == CSI)	    /* Special key from GUI */
4301 	    {
4302 		if (len < 3)
4303 		    return -1;	    /* Shouldn't happen */
4304 		slen = 3;
4305 		key_name[0] = tp[1];
4306 		key_name[1] = tp[2];
4307 	    }
4308 	}
4309 	else
4310 #endif /* FEAT_GUI */
4311 	{
4312 	    for (idx = 0; idx < tc_len; ++idx)
4313 	    {
4314 		/*
4315 		 * Ignore the entry if we are not at the start of
4316 		 * typebuf.tb_buf[]
4317 		 * and there are not enough characters to make a match.
4318 		 * But only when the 'K' flag is in 'cpoptions'.
4319 		 */
4320 		slen = termcodes[idx].len;
4321 		modifiers_start = NULL;
4322 		if (cpo_koffset && offset && len < slen)
4323 		    continue;
4324 		if (STRNCMP(termcodes[idx].code, tp,
4325 				     (size_t)(slen > len ? len : slen)) == 0)
4326 		{
4327 		    if (len < slen)		/* got a partial sequence */
4328 			return -1;		/* need to get more chars */
4329 
4330 		    /*
4331 		     * When found a keypad key, check if there is another key
4332 		     * that matches and use that one.  This makes <Home> to be
4333 		     * found instead of <kHome> when they produce the same
4334 		     * key code.
4335 		     */
4336 		    if (termcodes[idx].name[0] == 'K'
4337 				       && VIM_ISDIGIT(termcodes[idx].name[1]))
4338 		    {
4339 			for (j = idx + 1; j < tc_len; ++j)
4340 			    if (termcodes[j].len == slen &&
4341 				    STRNCMP(termcodes[idx].code,
4342 					    termcodes[j].code, slen) == 0)
4343 			    {
4344 				idx = j;
4345 				break;
4346 			    }
4347 		    }
4348 
4349 		    key_name[0] = termcodes[idx].name[0];
4350 		    key_name[1] = termcodes[idx].name[1];
4351 		    break;
4352 		}
4353 
4354 		/*
4355 		 * Check for code with modifier, like xterm uses:
4356 		 * <Esc>[123;*X  (modslen == slen - 3)
4357 		 * Also <Esc>O*X and <M-O>*X (modslen == slen - 2).
4358 		 * When there is a modifier the * matches a number.
4359 		 * When there is no modifier the ;* or * is omitted.
4360 		 */
4361 		if (termcodes[idx].modlen > 0)
4362 		{
4363 		    modslen = termcodes[idx].modlen;
4364 		    if (cpo_koffset && offset && len < modslen)
4365 			continue;
4366 		    if (STRNCMP(termcodes[idx].code, tp,
4367 				(size_t)(modslen > len ? len : modslen)) == 0)
4368 		    {
4369 			int	    n;
4370 
4371 			if (len <= modslen)	/* got a partial sequence */
4372 			    return -1;		/* need to get more chars */
4373 
4374 			if (tp[modslen] == termcodes[idx].code[slen - 1])
4375 			    slen = modslen + 1;	/* no modifiers */
4376 			else if (tp[modslen] != ';' && modslen == slen - 3)
4377 			    continue;	/* no match */
4378 			else
4379 			{
4380 			    /* Skip over the digits, the final char must
4381 			     * follow. */
4382 			    for (j = slen - 2; j < len && (isdigit(tp[j])
4383 							 || tp[j] == ';'); ++j)
4384 				;
4385 			    ++j;
4386 			    if (len < j)	/* got a partial sequence */
4387 				return -1;	/* need to get more chars */
4388 			    if (tp[j - 1] != termcodes[idx].code[slen - 1])
4389 				continue;	/* no match */
4390 
4391 			    modifiers_start = tp + slen - 2;
4392 
4393 			    /* Match!  Convert modifier bits. */
4394 			    n = atoi((char *)modifiers_start) - 1;
4395 			    if (n & 1)
4396 				modifiers |= MOD_MASK_SHIFT;
4397 			    if (n & 2)
4398 				modifiers |= MOD_MASK_ALT;
4399 			    if (n & 4)
4400 				modifiers |= MOD_MASK_CTRL;
4401 			    if (n & 8)
4402 				modifiers |= MOD_MASK_META;
4403 
4404 			    slen = j;
4405 			}
4406 			key_name[0] = termcodes[idx].name[0];
4407 			key_name[1] = termcodes[idx].name[1];
4408 			break;
4409 		    }
4410 		}
4411 	    }
4412 	}
4413 
4414 #ifdef FEAT_TERMRESPONSE
4415 	if (key_name[0] == NUL
4416 	    /* Mouse codes of DEC and pterm start with <ESC>[.  When
4417 	     * detecting the start of these mouse codes they might as well be
4418 	     * another key code or terminal response. */
4419 # ifdef FEAT_MOUSE_DEC
4420 	    || key_name[0] == KS_DEC_MOUSE
4421 # endif
4422 # ifdef FEAT_MOUSE_PTERM
4423 	    || key_name[0] == KS_PTERM_MOUSE
4424 # endif
4425 	   )
4426 	{
4427 	    /* Check for some responses from the terminal starting with
4428 	     * "<Esc>[" or CSI:
4429 	     *
4430 	     * - Xterm version string: <Esc>[>{x};{vers};{y}c
4431 	     *   Libvterm returns {x} == 0, {vers} == 100, {y} == 0.
4432 	     *   Also eat other possible responses to t_RV, rxvt returns
4433 	     *   "<Esc>[?1;2c". Also accept CSI instead of <Esc>[.
4434 	     *   mrxvt has been reported to have "+" in the version. Assume
4435 	     *   the escape sequence ends with a letter or one of "{|}~".
4436 	     *
4437 	     * - Cursor position report: <Esc>[{row};{col}R
4438 	     *   The final byte must be 'R'. It is used for checking the
4439 	     *   ambiguous-width character state.
4440 	     *
4441 	     * - window position reply: <Esc>[3;{x};{y}t
4442 	     */
4443 	    char_u *argp = tp[0] == ESC ? tp + 2 : tp + 1;
4444 
4445 	    if ((*T_CRV != NUL || *T_U7 != NUL || waiting_for_winpos)
4446 			&& ((tp[0] == ESC && len >= 3 && tp[1] == '[')
4447 			    || (tp[0] == CSI && len >= 2))
4448 			&& (VIM_ISDIGIT(*argp) || *argp == '>' || *argp == '?'))
4449 	    {
4450 		int col = 0;
4451 		int semicols = 0;
4452 #ifdef FEAT_MBYTE
4453 		int row_char = NUL;
4454 #endif
4455 
4456 		extra = 0;
4457 		for (i = 2 + (tp[0] != CSI); i < len
4458 				&& !(tp[i] >= '{' && tp[i] <= '~')
4459 				&& !ASCII_ISALPHA(tp[i]); ++i)
4460 		    if (tp[i] == ';' && ++semicols == 1)
4461 		    {
4462 			extra = i + 1;
4463 #ifdef FEAT_MBYTE
4464 			row_char = tp[i - 1];
4465 #endif
4466 		    }
4467 		if (i == len)
4468 		{
4469 		    LOG_TR("Not enough characters for CRV");
4470 		    return -1;
4471 		}
4472 		if (extra > 0)
4473 		    col = atoi((char *)tp + extra);
4474 
4475 #ifdef FEAT_MBYTE
4476 		/* Eat it when it has 2 arguments and ends in 'R'. Also when
4477 		 * u7_status is not "sent", it may be from a previous Vim that
4478 		 * just exited.  But not for <S-F3>, it sends something
4479 		 * similar, check for row and column to make sense. */
4480 		if (semicols == 1 && tp[i] == 'R')
4481 		{
4482 		    if (row_char == '2' && col >= 2)
4483 		    {
4484 			char *aw = NULL;
4485 
4486 			LOG_TR("Received U7 status");
4487 			u7_status = STATUS_GOT;
4488 # ifdef FEAT_AUTOCMD
4489 			did_cursorhold = TRUE;
4490 # endif
4491 			if (col == 2)
4492 			    aw = "single";
4493 			else if (col == 3)
4494 			    aw = "double";
4495 			if (aw != NULL && STRCMP(aw, p_ambw) != 0)
4496 			{
4497 			    /* Setting the option causes a screen redraw. Do
4498 			     * that right away if possible, keeping any
4499 			     * messages. */
4500 			    set_option_value((char_u *)"ambw", 0L,
4501 					     (char_u *)aw, 0);
4502 # ifdef DEBUG_TERMRESPONSE
4503 			    {
4504 				char buf[100];
4505 				int  r = redraw_asap(CLEAR);
4506 
4507 				sprintf(buf,
4508 					"set 'ambiwidth', redraw_asap(): %d",
4509 					r);
4510 				log_tr(buf);
4511 			    }
4512 # else
4513 			    redraw_asap(CLEAR);
4514 # endif
4515 			}
4516 		    }
4517 		    key_name[0] = (int)KS_EXTRA;
4518 		    key_name[1] = (int)KE_IGNORE;
4519 		    slen = i + 1;
4520 # ifdef FEAT_EVAL
4521 		    set_vim_var_string(VV_TERMU7RESP, tp, slen);
4522 # endif
4523 		}
4524 		else
4525 #endif
4526 		/* eat it when at least one digit and ending in 'c' */
4527 		if (*T_CRV != NUL && i > 2 + (tp[0] != CSI) && tp[i] == 'c')
4528 		{
4529 		    int version = col;
4530 
4531 		    LOG_TR("Received CRV response");
4532 		    crv_status = STATUS_GOT;
4533 # ifdef FEAT_AUTOCMD
4534 		    did_cursorhold = TRUE;
4535 # endif
4536 
4537 		    /* If this code starts with CSI, you can bet that the
4538 		     * terminal uses 8-bit codes. */
4539 		    if (tp[0] == CSI)
4540 			switch_to_8bit();
4541 
4542 		    /* rxvt sends its version number: "20703" is 2.7.3.
4543 		     * Screen sends 40500.
4544 		     * Ignore it for when the user has set 'term' to xterm,
4545 		     * even though it's an rxvt. */
4546 		    if (version > 20000)
4547 			version = 0;
4548 
4549 		    if (tp[1 + (tp[0] != CSI)] == '>' && semicols == 2)
4550 		    {
4551 			int need_flush = FALSE;
4552 # ifdef FEAT_MOUSE_SGR
4553 			int is_iterm2 = FALSE;
4554 # endif
4555 
4556 			/* if xterm version >= 141 try to get termcap codes */
4557 			if (version >= 141)
4558 			{
4559 			    LOG_TR("Enable checking for XT codes");
4560 			    check_for_codes = TRUE;
4561 			    need_gather = TRUE;
4562 			    req_codes_from_term();
4563 			}
4564 
4565 			/* libvterm sends 0;100;0 */
4566 			if (version == 100
4567 				&& STRNCMP(tp + extra - 2, "0;100;0c", 8) == 0)
4568 			{
4569 			    /* If run from Vim $COLORS is set to the number of
4570 			     * colors the terminal supports.  Otherwise assume
4571 			     * 256, libvterm supports even more. */
4572 			    if (mch_getenv((char_u *)"COLORS") == NULL)
4573 				may_adjust_color_count(256);
4574 # ifdef FEAT_MOUSE_SGR
4575 			    /* Libvterm can handle SGR mouse reporting. */
4576 			    if (!option_was_set((char_u *)"ttym"))
4577 				set_option_value((char_u *)"ttym", 0L,
4578 							   (char_u *)"sgr", 0);
4579 # endif
4580 			}
4581 
4582 			if (version == 95)
4583 			{
4584 			    /* Mac Terminal.app sends 1;95;0 */
4585 			    if (STRNCMP(tp + extra - 2, "1;95;0c", 7) == 0)
4586 			    {
4587 				is_not_xterm = TRUE;
4588 				is_mac_terminal = TRUE;
4589 			    }
4590 # ifdef FEAT_MOUSE_SGR
4591 			    /* iTerm2 sends 0;95;0 */
4592 			    if (STRNCMP(tp + extra - 2, "0;95;0c", 7) == 0)
4593 				is_iterm2 = TRUE;
4594 # endif
4595 			}
4596 
4597 			/* Only set 'ttymouse' automatically if it was not set
4598 			 * by the user already. */
4599 			if (!option_was_set((char_u *)"ttym"))
4600 			{
4601 # ifdef FEAT_MOUSE_SGR
4602 			    /* Xterm version 277 supports SGR.  Also support
4603 			     * Terminal.app and iTerm2. */
4604 			    if (version >= 277 || is_iterm2 || is_mac_terminal)
4605 				set_option_value((char_u *)"ttym", 0L,
4606 							  (char_u *)"sgr", 0);
4607 			    else
4608 # endif
4609 			    /* if xterm version >= 95 use mouse dragging */
4610 			    if (version >= 95)
4611 				set_option_value((char_u *)"ttym", 0L,
4612 						       (char_u *)"xterm2", 0);
4613 			}
4614 
4615 			/* Detect terminals that set $TERM to something like
4616 			 * "xterm-256colors"  but are not fully xterm
4617 			 * compatible. */
4618 
4619 			/* Gnome terminal sends 1;3801;0, 1;4402;0 or 1;2501;0.
4620 			 * xfce4-terminal sends 1;2802;0.
4621 			 * screen sends 83;40500;0
4622 			 * Assuming any version number over 2500 is not an
4623 			 * xterm (without the limit for rxvt and screen). */
4624 			if (col >= 2500)
4625 			    is_not_xterm = TRUE;
4626 
4627 			/* PuTTY sends 0;136;0
4628 			 * vandyke SecureCRT sends 1;136;0 */
4629 			if (version == 136
4630 				&& STRNCMP(tp + extra - 1, ";136;0c", 7) == 0)
4631 			    is_not_xterm = TRUE;
4632 
4633 			/* Konsole sends 0;115;0 */
4634 			if (version == 115
4635 				&& STRNCMP(tp + extra - 2, "0;115;0c", 8) == 0)
4636 			    is_not_xterm = TRUE;
4637 
4638 			/* Only request the cursor style if t_SH and t_RS are
4639 			 * set. Only supported properly by xterm since version
4640 			 * 279 (otherwise it returns 0x18).
4641 			 * Not for Terminal.app, it can't handle t_RS, it
4642 			 * echoes the characters to the screen. */
4643 			if (rcs_status == STATUS_GET
4644 				&& version >= 279
4645 				&& !is_not_xterm
4646 				&& *T_CSH != NUL
4647 				&& *T_CRS != NUL)
4648 			{
4649 			    LOG_TR("Sending cursor style request");
4650 			    out_str(T_CRS);
4651 			    rcs_status = STATUS_SENT;
4652 			    need_flush = TRUE;
4653 			}
4654 
4655 			/* Only request the cursor blink mode if t_RC set. Not
4656 			 * for Gnome terminal, it can't handle t_RC, it
4657 			 * echoes the characters to the screen. */
4658 			if (rbm_status == STATUS_GET
4659 				&& !is_not_xterm
4660 				&& *T_CRC != NUL)
4661 			{
4662 			    LOG_TR("Sending cursor blink mode request");
4663 			    out_str(T_CRC);
4664 			    rbm_status = STATUS_SENT;
4665 			    need_flush = TRUE;
4666 			}
4667 
4668 			if (need_flush)
4669 			    out_flush();
4670 		    }
4671 		    slen = i + 1;
4672 # ifdef FEAT_EVAL
4673 		    set_vim_var_string(VV_TERMRESPONSE, tp, slen);
4674 # endif
4675 # ifdef FEAT_AUTOCMD
4676 		    apply_autocmds(EVENT_TERMRESPONSE,
4677 						   NULL, NULL, FALSE, curbuf);
4678 # endif
4679 		    key_name[0] = (int)KS_EXTRA;
4680 		    key_name[1] = (int)KE_IGNORE;
4681 		}
4682 
4683 		/* Check blinking cursor from xterm:
4684 		 * {lead}?12;1$y       set
4685 		 * {lead}?12;2$y       not set
4686 		 *
4687 		 * {lead} can be <Esc>[ or CSI
4688 		 */
4689 		else if (rbm_status == STATUS_SENT
4690 			&& tp[(j = 1 + (tp[0] == ESC))] == '?'
4691 			&& i == j + 6
4692 			&& tp[j + 1] == '1'
4693 			&& tp[j + 2] == '2'
4694 			&& tp[j + 3] == ';'
4695 			&& tp[i - 1] == '$'
4696 			&& tp[i] == 'y')
4697 		{
4698 		    initial_cursor_blink = (tp[j + 4] == '1');
4699 		    rbm_status = STATUS_GOT;
4700 		    LOG_TR("Received cursor blinking mode response");
4701 		    key_name[0] = (int)KS_EXTRA;
4702 		    key_name[1] = (int)KE_IGNORE;
4703 		    slen = i + 1;
4704 # ifdef FEAT_EVAL
4705 		    set_vim_var_string(VV_TERMBLINKRESP, tp, slen);
4706 # endif
4707 		}
4708 
4709 		/*
4710 		 * Check for a window position response from the terminal:
4711 		 *       {lead}3;{x}:{y}t
4712 		 */
4713 		else if (waiting_for_winpos
4714 			    && ((len >= 4 && tp[0] == ESC && tp[1] == '[')
4715 				|| (len >= 3 && tp[0] == CSI))
4716 			    && tp[(j = 1 + (tp[0] == ESC))] == '3'
4717 			    && tp[j + 1] == ';')
4718 		{
4719 		    j += 2;
4720 		    for (i = j; i < len && vim_isdigit(tp[i]); ++i)
4721 			;
4722 		    if (i < len && tp[i] == ';')
4723 		    {
4724 			winpos_x = atoi((char *)tp + j);
4725 			j = i + 1;
4726 			for (i = j; i < len && vim_isdigit(tp[i]); ++i)
4727 			    ;
4728 			if (i < len && tp[i] == 't')
4729 			{
4730 			    winpos_y = atoi((char *)tp + j);
4731 			    /* got finished code: consume it */
4732 			    key_name[0] = (int)KS_EXTRA;
4733 			    key_name[1] = (int)KE_IGNORE;
4734 			    slen = i + 1;
4735 			}
4736 		    }
4737 		    if (i == len)
4738 		    {
4739 			LOG_TR("not enough characters for winpos");
4740 			return -1;
4741 		    }
4742 		}
4743 	    }
4744 
4745 	    /* Check for fore/background color response from the terminal:
4746 	     *
4747 	     *       {lead}{code};rgb:{rrrr}/{gggg}/{bbbb}{tail}
4748 	     *
4749 	     * {code} is 10 for foreground, 11 for background
4750 	     * {lead} can be <Esc>] or OSC
4751 	     * {tail} can be '\007', <Esc>\ or STERM.
4752 	     *
4753 	     * Consume any code that starts with "{lead}11;", it's also
4754 	     * possible that "rgba" is following.
4755 	     */
4756 	    else if ((*T_RBG != NUL || *T_RFG != NUL)
4757 			&& ((tp[0] == ESC && len >= 2 && tp[1] == ']')
4758 			    || tp[0] == OSC))
4759 	    {
4760 		j = 1 + (tp[0] == ESC);
4761 		if (len >= j + 3 && (argp[0] != '1'
4762 					 || (argp[1] != '1' && argp[1] != '0')
4763 					 || argp[2] != ';'))
4764 		  i = 0; /* no match */
4765 		else
4766 		  for (i = j; i < len; ++i)
4767 		    if (tp[i] == '\007' || (tp[0] == OSC ? tp[i] == STERM
4768 			: (tp[i] == ESC && i + 1 < len && tp[i + 1] == '\\')))
4769 		    {
4770 			int is_bg = argp[1] == '1';
4771 
4772 			if (i - j >= 21 && STRNCMP(tp + j + 3, "rgb:", 4) == 0
4773 			    && tp[j + 11] == '/' && tp[j + 16] == '/')
4774 			{
4775 #ifdef FEAT_TERMINAL
4776 			    int rval = hexhex2nr(tp + j + 7);
4777 			    int gval = hexhex2nr(tp + j + 12);
4778 			    int bval = hexhex2nr(tp + j + 17);
4779 #endif
4780 			    if (is_bg)
4781 			    {
4782 				char *newval = (3 * '6' < tp[j+7] + tp[j+12]
4783 						+ tp[j+17]) ? "light" : "dark";
4784 
4785 				LOG_TR("Received RBG response");
4786 				rbg_status = STATUS_GOT;
4787 #ifdef FEAT_TERMINAL
4788 				bg_r = rval;
4789 				bg_g = gval;
4790 				bg_b = bval;
4791 #endif
4792 				if (!option_was_set((char_u *)"bg")
4793 						  && STRCMP(p_bg, newval) != 0)
4794 				{
4795 				    /* value differs, apply it */
4796 				    set_option_value((char_u *)"bg", 0L,
4797 							  (char_u *)newval, 0);
4798 				    reset_option_was_set((char_u *)"bg");
4799 				    redraw_asap(CLEAR);
4800 				}
4801 			    }
4802 #ifdef FEAT_TERMINAL
4803 			    else
4804 			    {
4805 				LOG_TR("Received RFG response");
4806 				rfg_status = STATUS_GOT;
4807 				fg_r = rval;
4808 				fg_g = gval;
4809 				fg_b = bval;
4810 			    }
4811 #endif
4812 			}
4813 
4814 			/* got finished code: consume it */
4815 			key_name[0] = (int)KS_EXTRA;
4816 			key_name[1] = (int)KE_IGNORE;
4817 			slen = i + 1 + (tp[i] == ESC);
4818 # ifdef FEAT_EVAL
4819 			set_vim_var_string(is_bg ? VV_TERMRBGRESP
4820 						   : VV_TERMRFGRESP, tp, slen);
4821 # endif
4822 			break;
4823 		    }
4824 		if (i == len)
4825 		{
4826 		    LOG_TR("not enough characters for RB");
4827 		    return -1;
4828 		}
4829 	    }
4830 
4831 	    /* Check for key code response from xterm:
4832 	     * {lead}{flag}+r<hex bytes><{tail}
4833 	     *
4834 	     * {lead} can be <Esc>P or DCS
4835 	     * {flag} can be '0' or '1'
4836 	     * {tail} can be Esc>\ or STERM
4837 	     *
4838 	     * Check for cursor shape response from xterm:
4839 	     * {lead}1$r<number> q{tail}
4840 	     *
4841 	     * {lead} can be <Esc>P or DCS
4842 	     * {tail} can be Esc>\ or STERM
4843 	     *
4844 	     * Consume any code that starts with "{lead}.+r" or "{lead}.$r".
4845 	     */
4846 	    else if ((check_for_codes || rcs_status == STATUS_SENT)
4847 		    && ((tp[0] == ESC && len >= 2 && tp[1] == 'P')
4848 			|| tp[0] == DCS))
4849 	    {
4850 		j = 1 + (tp[0] == ESC);
4851 		if (len < j + 3)
4852 		    i = len; /* need more chars */
4853 		else if ((argp[1] != '+' && argp[1] != '$') || argp[2] != 'r')
4854 		  i = 0; /* no match */
4855 		else if (argp[1] == '+')
4856 		  /* key code response */
4857 		  for (i = j; i < len; ++i)
4858 		  {
4859 		    if ((tp[i] == ESC && i + 1 < len && tp[i + 1] == '\\')
4860 			    || tp[i] == STERM)
4861 		    {
4862 			if (i - j >= 3)
4863 			    got_code_from_term(tp + j, i);
4864 			key_name[0] = (int)KS_EXTRA;
4865 			key_name[1] = (int)KE_IGNORE;
4866 			slen = i + 1 + (tp[i] == ESC);
4867 			break;
4868 		    }
4869 		  }
4870 		else if ((len >= j + 6 && isdigit(argp[3]))
4871 			&& argp[4] == ' '
4872 			&& argp[5] == 'q')
4873 		{
4874 		    /* cursor shape response */
4875 		    i = j + 6;
4876 		    if ((tp[i] == ESC && i + 1 < len && tp[i + 1] == '\\')
4877 			    || tp[i] == STERM)
4878 		    {
4879 			int number = argp[3] - '0';
4880 
4881 			/* 0, 1 = block blink, 2 = block
4882 			 * 3 = underline blink, 4 = underline
4883 			 * 5 = vertical bar blink, 6 = vertical bar */
4884 			number = number == 0 ? 1 : number;
4885 			initial_cursor_shape = (number + 1) / 2;
4886 			/* The blink flag is actually inverted, compared to
4887 			 * the value set with T_SH. */
4888 			initial_cursor_shape_blink =
4889 						   (number & 1) ? FALSE : TRUE;
4890 			rcs_status = STATUS_GOT;
4891 			LOG_TR("Received cursor shape response");
4892 
4893 			key_name[0] = (int)KS_EXTRA;
4894 			key_name[1] = (int)KE_IGNORE;
4895 			slen = i + 1 + (tp[i] == ESC);
4896 # ifdef FEAT_EVAL
4897 			set_vim_var_string(VV_TERMSTYLERESP, tp, slen);
4898 # endif
4899 		    }
4900 		}
4901 
4902 		if (i == len)
4903 		{
4904 		    /* These codes arrive many together, each code can be
4905 		     * truncated at any point. */
4906 		    LOG_TR("not enough characters for XT");
4907 		    return -1;
4908 		}
4909 	    }
4910 	}
4911 #endif
4912 
4913 	if (key_name[0] == NUL)
4914 	    continue;	    /* No match at this position, try next one */
4915 
4916 	/* We only get here when we have a complete termcode match */
4917 
4918 #ifdef FEAT_MOUSE
4919 # ifdef FEAT_GUI
4920 	/*
4921 	 * Only in the GUI: Fetch the pointer coordinates of the scroll event
4922 	 * so that we know which window to scroll later.
4923 	 */
4924 	if (gui.in_use
4925 		&& key_name[0] == (int)KS_EXTRA
4926 		&& (key_name[1] == (int)KE_X1MOUSE
4927 		    || key_name[1] == (int)KE_X2MOUSE
4928 		    || key_name[1] == (int)KE_MOUSELEFT
4929 		    || key_name[1] == (int)KE_MOUSERIGHT
4930 		    || key_name[1] == (int)KE_MOUSEDOWN
4931 		    || key_name[1] == (int)KE_MOUSEUP))
4932 	{
4933 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 4);
4934 	    if (num_bytes == -1)	/* not enough coordinates */
4935 		return -1;
4936 	    mouse_col = 128 * (bytes[0] - ' ' - 1) + bytes[1] - ' ' - 1;
4937 	    mouse_row = 128 * (bytes[2] - ' ' - 1) + bytes[3] - ' ' - 1;
4938 	    slen += num_bytes;
4939 	}
4940 	else
4941 # endif
4942 	/*
4943 	 * If it is a mouse click, get the coordinates.
4944 	 */
4945 	if (key_name[0] == KS_MOUSE
4946 # ifdef FEAT_MOUSE_JSB
4947 		|| key_name[0] == KS_JSBTERM_MOUSE
4948 # endif
4949 # ifdef FEAT_MOUSE_NET
4950 		|| key_name[0] == KS_NETTERM_MOUSE
4951 # endif
4952 # ifdef FEAT_MOUSE_DEC
4953 		|| key_name[0] == KS_DEC_MOUSE
4954 # endif
4955 # ifdef FEAT_MOUSE_PTERM
4956 		|| key_name[0] == KS_PTERM_MOUSE
4957 # endif
4958 # ifdef FEAT_MOUSE_URXVT
4959 		|| key_name[0] == KS_URXVT_MOUSE
4960 # endif
4961 # ifdef FEAT_MOUSE_SGR
4962 		|| key_name[0] == KS_SGR_MOUSE
4963 		|| key_name[0] == KS_SGR_MOUSE_RELEASE
4964 # endif
4965 		)
4966 	{
4967 	    is_click = is_drag = FALSE;
4968 
4969 # if !defined(UNIX) || defined(FEAT_MOUSE_XTERM) || defined(FEAT_GUI) \
4970 	    || defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE)
4971 	    if (key_name[0] == (int)KS_MOUSE)
4972 	    {
4973 		/*
4974 		 * For xterm we get "<t_mouse>scr", where
4975 		 *  s == encoded button state:
4976 		 *	   0x20 = left button down
4977 		 *	   0x21 = middle button down
4978 		 *	   0x22 = right button down
4979 		 *	   0x23 = any button release
4980 		 *	   0x60 = button 4 down (scroll wheel down)
4981 		 *	   0x61 = button 5 down (scroll wheel up)
4982 		 *	add 0x04 for SHIFT
4983 		 *	add 0x08 for ALT
4984 		 *	add 0x10 for CTRL
4985 		 *	add 0x20 for mouse drag (0x40 is drag with left button)
4986 		 *	add 0x40 for mouse move (0x80 is move, 0x81 too)
4987 		 *		 0x43 (drag + release) is also move
4988 		 *  c == column + ' ' + 1 == column + 33
4989 		 *  r == row + ' ' + 1 == row + 33
4990 		 *
4991 		 * The coordinates are passed on through global variables.
4992 		 * Ugly, but this avoids trouble with mouse clicks at an
4993 		 * unexpected moment and allows for mapping them.
4994 		 */
4995 		for (;;)
4996 		{
4997 #ifdef FEAT_GUI
4998 		    if (gui.in_use)
4999 		    {
5000 			/* GUI uses more bits for columns > 223 */
5001 			num_bytes = get_bytes_from_buf(tp + slen, bytes, 5);
5002 			if (num_bytes == -1)	/* not enough coordinates */
5003 			    return -1;
5004 			mouse_code = bytes[0];
5005 			mouse_col = 128 * (bytes[1] - ' ' - 1)
5006 							 + bytes[2] - ' ' - 1;
5007 			mouse_row = 128 * (bytes[3] - ' ' - 1)
5008 							 + bytes[4] - ' ' - 1;
5009 		    }
5010 		    else
5011 #endif
5012 		    {
5013 			num_bytes = get_bytes_from_buf(tp + slen, bytes, 3);
5014 			if (num_bytes == -1)	/* not enough coordinates */
5015 			    return -1;
5016 			mouse_code = bytes[0];
5017 			mouse_col = bytes[1] - ' ' - 1;
5018 			mouse_row = bytes[2] - ' ' - 1;
5019 		    }
5020 		    slen += num_bytes;
5021 
5022 		    /* If the following bytes is also a mouse code and it has
5023 		     * the same code, dump this one and get the next.  This
5024 		     * makes dragging a whole lot faster. */
5025 #ifdef FEAT_GUI
5026 		    if (gui.in_use)
5027 			j = 3;
5028 		    else
5029 #endif
5030 			j = termcodes[idx].len;
5031 		    if (STRNCMP(tp, tp + slen, (size_t)j) == 0
5032 			    && tp[slen + j] == mouse_code
5033 			    && tp[slen + j + 1] != NUL
5034 			    && tp[slen + j + 2] != NUL
5035 #ifdef FEAT_GUI
5036 			    && (!gui.in_use
5037 				|| (tp[slen + j + 3] != NUL
5038 					&& tp[slen + j + 4] != NUL))
5039 #endif
5040 			    )
5041 			slen += j;
5042 		    else
5043 			break;
5044 		}
5045 	    }
5046 
5047 # if defined(FEAT_MOUSE_URXVT) || defined(FEAT_MOUSE_SGR)
5048 	    if (key_name[0] == KS_URXVT_MOUSE
5049 		|| key_name[0] == KS_SGR_MOUSE
5050 		|| key_name[0] == KS_SGR_MOUSE_RELEASE)
5051 	    {
5052 		/* URXVT 1015 mouse reporting mode:
5053 		 * Almost identical to xterm mouse mode, except the values
5054 		 * are decimal instead of bytes.
5055 		 *
5056 		 * \033[%d;%d;%dM
5057 		 *		  ^-- row
5058 		 *	       ^----- column
5059 		 *	    ^-------- code
5060 		 *
5061 		 * SGR 1006 mouse reporting mode:
5062 		 * Almost identical to xterm mouse mode, except the values
5063 		 * are decimal instead of bytes.
5064 		 *
5065 		 * \033[<%d;%d;%dM
5066 		 *		   ^-- row
5067 		 *	        ^----- column
5068 		 *	     ^-------- code
5069 		 *
5070 		 * \033[<%d;%d;%dm        : mouse release event
5071 		 *		   ^-- row
5072 		 *	        ^----- column
5073 		 *	     ^-------- code
5074 		 */
5075 		p = modifiers_start;
5076 		if (p == NULL)
5077 		    return -1;
5078 
5079 		mouse_code = getdigits(&p);
5080 		if (*p++ != ';')
5081 		    return -1;
5082 
5083 		/* when mouse reporting is SGR, add 32 to mouse code */
5084 		if (key_name[0] == KS_SGR_MOUSE
5085 				    || key_name[0] == KS_SGR_MOUSE_RELEASE)
5086 		    mouse_code += 32;
5087 
5088 		if (key_name[0] == KS_SGR_MOUSE_RELEASE)
5089 		    mouse_code |= MOUSE_RELEASE;
5090 
5091 		mouse_col = getdigits(&p) - 1;
5092 		if (*p++ != ';')
5093 		    return -1;
5094 
5095 		mouse_row = getdigits(&p) - 1;
5096 
5097 		/* The modifiers were the mouse coordinates, not the
5098 		 * modifier keys (alt/shift/ctrl/meta) state. */
5099 		modifiers = 0;
5100 	    }
5101 # endif
5102 
5103 	if (key_name[0] == (int)KS_MOUSE
5104 #ifdef FEAT_MOUSE_URXVT
5105 	    || key_name[0] == (int)KS_URXVT_MOUSE
5106 #endif
5107 #ifdef FEAT_MOUSE_SGR
5108 	    || key_name[0] == KS_SGR_MOUSE
5109 	    || key_name[0] == KS_SGR_MOUSE_RELEASE
5110 #endif
5111 	    )
5112 	{
5113 #  if !defined(MSWIN)
5114 		/*
5115 		 * Handle mouse events.
5116 		 * Recognize the xterm mouse wheel, but not in the GUI, the
5117 		 * Linux console with GPM and the MS-DOS or Win32 console
5118 		 * (multi-clicks use >= 0x60).
5119 		 */
5120 		if (mouse_code >= MOUSEWHEEL_LOW
5121 #   ifdef FEAT_GUI
5122 			&& !gui.in_use
5123 #   endif
5124 #   ifdef FEAT_MOUSE_GPM
5125 			&& gpm_flag == 0
5126 #   endif
5127 			)
5128 		{
5129 #   if defined(UNIX) && defined(FEAT_MOUSE_TTY)
5130 		    if (use_xterm_mouse() > 1 && mouse_code >= 0x80)
5131 			/* mouse-move event, using MOUSE_DRAG works */
5132 			mouse_code = MOUSE_DRAG;
5133 		    else
5134 #   endif
5135 			/* Keep the mouse_code before it's changed, so that we
5136 			 * remember that it was a mouse wheel click. */
5137 			wheel_code = mouse_code;
5138 		}
5139 #   ifdef FEAT_MOUSE_XTERM
5140 		else if (held_button == MOUSE_RELEASE
5141 #    ifdef FEAT_GUI
5142 			&& !gui.in_use
5143 #    endif
5144 			&& (mouse_code == 0x23 || mouse_code == 0x24))
5145 		{
5146 		    /* Apparently used by rxvt scroll wheel. */
5147 		    wheel_code = mouse_code - 0x23 + MOUSEWHEEL_LOW;
5148 		}
5149 #   endif
5150 
5151 #   if defined(UNIX) && defined(FEAT_MOUSE_TTY)
5152 		else if (use_xterm_mouse() > 1)
5153 		{
5154 		    if (mouse_code & MOUSE_DRAG_XTERM)
5155 			mouse_code |= MOUSE_DRAG;
5156 		}
5157 #   endif
5158 #   ifdef FEAT_XCLIPBOARD
5159 		else if (!(mouse_code & MOUSE_DRAG & ~MOUSE_CLICK_MASK))
5160 		{
5161 		    if ((mouse_code & MOUSE_RELEASE) == MOUSE_RELEASE)
5162 			stop_xterm_trace();
5163 		    else
5164 			start_xterm_trace(mouse_code);
5165 		}
5166 #   endif
5167 #  endif
5168 	    }
5169 # endif /* !UNIX || FEAT_MOUSE_XTERM */
5170 # ifdef FEAT_MOUSE_NET
5171 	    if (key_name[0] == (int)KS_NETTERM_MOUSE)
5172 	    {
5173 		int mc, mr;
5174 
5175 		/* expect a rather limited sequence like: balancing {
5176 		 * \033}6,45\r
5177 		 * '6' is the row, 45 is the column
5178 		 */
5179 		p = tp + slen;
5180 		mr = getdigits(&p);
5181 		if (*p++ != ',')
5182 		    return -1;
5183 		mc = getdigits(&p);
5184 		if (*p++ != '\r')
5185 		    return -1;
5186 
5187 		mouse_col = mc - 1;
5188 		mouse_row = mr - 1;
5189 		mouse_code = MOUSE_LEFT;
5190 		slen += (int)(p - (tp + slen));
5191 	    }
5192 # endif	/* FEAT_MOUSE_NET */
5193 # ifdef FEAT_MOUSE_JSB
5194 	    if (key_name[0] == (int)KS_JSBTERM_MOUSE)
5195 	    {
5196 		int mult, val, iter, button, status;
5197 
5198 		/* JSBTERM Input Model
5199 		 * \033[0~zw uniq escape sequence
5200 		 * (L-x)  Left button pressed - not pressed x not reporting
5201 		 * (M-x)  Middle button pressed - not pressed x not reporting
5202 		 * (R-x)  Right button pressed - not pressed x not reporting
5203 		 * (SDmdu)  Single , Double click, m mouse move d button down
5204 		 *						   u button up
5205 		 *  ###   X cursor position padded to 3 digits
5206 		 *  ###   Y cursor position padded to 3 digits
5207 		 * (s-x)  SHIFT key pressed - not pressed x not reporting
5208 		 * (c-x)  CTRL key pressed - not pressed x not reporting
5209 		 * \033\\ terminating sequence
5210 		 */
5211 
5212 		p = tp + slen;
5213 		button = mouse_code = 0;
5214 		switch (*p++)
5215 		{
5216 		    case 'L': button = 1; break;
5217 		    case '-': break;
5218 		    case 'x': break; /* ignore sequence */
5219 		    default:  return -1; /* Unknown Result */
5220 		}
5221 		switch (*p++)
5222 		{
5223 		    case 'M': button |= 2; break;
5224 		    case '-': break;
5225 		    case 'x': break; /* ignore sequence */
5226 		    default:  return -1; /* Unknown Result */
5227 		}
5228 		switch (*p++)
5229 		{
5230 		    case 'R': button |= 4; break;
5231 		    case '-': break;
5232 		    case 'x': break; /* ignore sequence */
5233 		    default:  return -1; /* Unknown Result */
5234 		}
5235 		status = *p++;
5236 		for (val = 0, mult = 100, iter = 0; iter < 3; iter++,
5237 							      mult /= 10, p++)
5238 		    if (*p >= '0' && *p <= '9')
5239 			val += (*p - '0') * mult;
5240 		    else
5241 			return -1;
5242 		mouse_col = val;
5243 		for (val = 0, mult = 100, iter = 0; iter < 3; iter++,
5244 							      mult /= 10, p++)
5245 		    if (*p >= '0' && *p <= '9')
5246 			val += (*p - '0') * mult;
5247 		    else
5248 			return -1;
5249 		mouse_row = val;
5250 		switch (*p++)
5251 		{
5252 		    case 's': button |= 8; break;  /* SHIFT key Pressed */
5253 		    case '-': break;  /* Not Pressed */
5254 		    case 'x': break;  /* Not Reporting */
5255 		    default:  return -1; /* Unknown Result */
5256 		}
5257 		switch (*p++)
5258 		{
5259 		    case 'c': button |= 16; break;  /* CTRL key Pressed */
5260 		    case '-': break;  /* Not Pressed */
5261 		    case 'x': break;  /* Not Reporting */
5262 		    default:  return -1; /* Unknown Result */
5263 		}
5264 		if (*p++ != '\033')
5265 		    return -1;
5266 		if (*p++ != '\\')
5267 		    return -1;
5268 		switch (status)
5269 		{
5270 		    case 'D': /* Double Click */
5271 		    case 'S': /* Single Click */
5272 			if (button & 1) mouse_code |= MOUSE_LEFT;
5273 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
5274 			if (button & 4) mouse_code |= MOUSE_RIGHT;
5275 			if (button & 8) mouse_code |= MOUSE_SHIFT;
5276 			if (button & 16) mouse_code |= MOUSE_CTRL;
5277 			break;
5278 		    case 'm': /* Mouse move */
5279 			if (button & 1) mouse_code |= MOUSE_LEFT;
5280 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
5281 			if (button & 4) mouse_code |= MOUSE_RIGHT;
5282 			if (button & 8) mouse_code |= MOUSE_SHIFT;
5283 			if (button & 16) mouse_code |= MOUSE_CTRL;
5284 			if ((button & 7) != 0)
5285 			{
5286 			    held_button = mouse_code;
5287 			    mouse_code |= MOUSE_DRAG;
5288 			}
5289 			is_drag = TRUE;
5290 			showmode();
5291 			break;
5292 		    case 'd': /* Button Down */
5293 			if (button & 1) mouse_code |= MOUSE_LEFT;
5294 			if (button & 2) mouse_code |= MOUSE_MIDDLE;
5295 			if (button & 4) mouse_code |= MOUSE_RIGHT;
5296 			if (button & 8) mouse_code |= MOUSE_SHIFT;
5297 			if (button & 16) mouse_code |= MOUSE_CTRL;
5298 			break;
5299 		    case 'u': /* Button Up */
5300 			if (button & 1)
5301 			    mouse_code |= MOUSE_LEFT | MOUSE_RELEASE;
5302 			if (button & 2)
5303 			    mouse_code |= MOUSE_MIDDLE | MOUSE_RELEASE;
5304 			if (button & 4)
5305 			    mouse_code |= MOUSE_RIGHT | MOUSE_RELEASE;
5306 			if (button & 8)
5307 			    mouse_code |= MOUSE_SHIFT;
5308 			if (button & 16)
5309 			    mouse_code |= MOUSE_CTRL;
5310 			break;
5311 		    default: return -1; /* Unknown Result */
5312 		}
5313 
5314 		slen += (p - (tp + slen));
5315 	    }
5316 # endif /* FEAT_MOUSE_JSB */
5317 # ifdef FEAT_MOUSE_DEC
5318 	    if (key_name[0] == (int)KS_DEC_MOUSE)
5319 	    {
5320 	       /* The DEC Locator Input Model
5321 		* Netterm delivers the code sequence:
5322 		*  \033[2;4;24;80&w  (left button down)
5323 		*  \033[3;0;24;80&w  (left button up)
5324 		*  \033[6;1;24;80&w  (right button down)
5325 		*  \033[7;0;24;80&w  (right button up)
5326 		* CSI Pe ; Pb ; Pr ; Pc ; Pp & w
5327 		* Pe is the event code
5328 		* Pb is the button code
5329 		* Pr is the row coordinate
5330 		* Pc is the column coordinate
5331 		* Pp is the third coordinate (page number)
5332 		* Pe, the event code indicates what event caused this report
5333 		*    The following event codes are defined:
5334 		*    0 - request, the terminal received an explicit request
5335 		*	 for a locator report, but the locator is unavailable
5336 		*    1 - request, the terminal received an explicit request
5337 		*	 for a locator report
5338 		*    2 - left button down
5339 		*    3 - left button up
5340 		*    4 - middle button down
5341 		*    5 - middle button up
5342 		*    6 - right button down
5343 		*    7 - right button up
5344 		*    8 - fourth button down
5345 		*    9 - fourth button up
5346 		*    10 - locator outside filter rectangle
5347 		* Pb, the button code, ASCII decimal 0-15 indicating which
5348 		*   buttons are down if any. The state of the four buttons
5349 		*   on the locator correspond to the low four bits of the
5350 		*   decimal value,
5351 		*   "1" means button depressed
5352 		*   0 - no buttons down,
5353 		*   1 - right,
5354 		*   2 - middle,
5355 		*   4 - left,
5356 		*   8 - fourth
5357 		* Pr is the row coordinate of the locator position in the page,
5358 		*   encoded as an ASCII decimal value.
5359 		*   If Pr is omitted, the locator position is undefined
5360 		*   (outside the terminal window for example).
5361 		* Pc is the column coordinate of the locator position in the
5362 		*   page, encoded as an ASCII decimal value.
5363 		*   If Pc is omitted, the locator position is undefined
5364 		*   (outside the terminal window for example).
5365 		* Pp is the page coordinate of the locator position
5366 		*   encoded as an ASCII decimal value.
5367 		*   The page coordinate may be omitted if the locator is on
5368 		*   page one (the default).  We ignore it anyway.
5369 		*/
5370 		int Pe, Pb, Pr, Pc;
5371 
5372 		p = tp + slen;
5373 
5374 		/* get event status */
5375 		Pe = getdigits(&p);
5376 		if (*p++ != ';')
5377 		    return -1;
5378 
5379 		/* get button status */
5380 		Pb = getdigits(&p);
5381 		if (*p++ != ';')
5382 		    return -1;
5383 
5384 		/* get row status */
5385 		Pr = getdigits(&p);
5386 		if (*p++ != ';')
5387 		    return -1;
5388 
5389 		/* get column status */
5390 		Pc = getdigits(&p);
5391 
5392 		/* the page parameter is optional */
5393 		if (*p == ';')
5394 		{
5395 		    p++;
5396 		    (void)getdigits(&p);
5397 		}
5398 		if (*p++ != '&')
5399 		    return -1;
5400 		if (*p++ != 'w')
5401 		    return -1;
5402 
5403 		mouse_code = 0;
5404 		switch (Pe)
5405 		{
5406 		case  0: return -1; /* position request while unavailable */
5407 		case  1: /* a response to a locator position request includes
5408 			    the status of all buttons */
5409 			 Pb &= 7;   /* mask off and ignore fourth button */
5410 			 if (Pb & 4)
5411 			     mouse_code  = MOUSE_LEFT;
5412 			 if (Pb & 2)
5413 			     mouse_code  = MOUSE_MIDDLE;
5414 			 if (Pb & 1)
5415 			     mouse_code  = MOUSE_RIGHT;
5416 			 if (Pb)
5417 			 {
5418 			     held_button = mouse_code;
5419 			     mouse_code |= MOUSE_DRAG;
5420 			     WantQueryMouse = TRUE;
5421 			 }
5422 			 is_drag = TRUE;
5423 			 showmode();
5424 			 break;
5425 		case  2: mouse_code = MOUSE_LEFT;
5426 			 WantQueryMouse = TRUE;
5427 			 break;
5428 		case  3: mouse_code = MOUSE_RELEASE | MOUSE_LEFT;
5429 			 break;
5430 		case  4: mouse_code = MOUSE_MIDDLE;
5431 			 WantQueryMouse = TRUE;
5432 			 break;
5433 		case  5: mouse_code = MOUSE_RELEASE | MOUSE_MIDDLE;
5434 			 break;
5435 		case  6: mouse_code = MOUSE_RIGHT;
5436 			 WantQueryMouse = TRUE;
5437 			 break;
5438 		case  7: mouse_code = MOUSE_RELEASE | MOUSE_RIGHT;
5439 			 break;
5440 		case  8: return -1; /* fourth button down */
5441 		case  9: return -1; /* fourth button up */
5442 		case 10: return -1; /* mouse outside of filter rectangle */
5443 		default: return -1; /* should never occur */
5444 		}
5445 
5446 		mouse_col = Pc - 1;
5447 		mouse_row = Pr - 1;
5448 
5449 		slen += (int)(p - (tp + slen));
5450 	    }
5451 # endif /* FEAT_MOUSE_DEC */
5452 # ifdef FEAT_MOUSE_PTERM
5453 	    if (key_name[0] == (int)KS_PTERM_MOUSE)
5454 	    {
5455 		int button, num_clicks, action;
5456 
5457 		p = tp + slen;
5458 
5459 		action = getdigits(&p);
5460 		if (*p++ != ';')
5461 		    return -1;
5462 
5463 		mouse_row = getdigits(&p);
5464 		if (*p++ != ';')
5465 		    return -1;
5466 		mouse_col = getdigits(&p);
5467 		if (*p++ != ';')
5468 		    return -1;
5469 
5470 		button = getdigits(&p);
5471 		mouse_code = 0;
5472 
5473 		switch (button)
5474 		{
5475 		    case 4: mouse_code = MOUSE_LEFT; break;
5476 		    case 1: mouse_code = MOUSE_RIGHT; break;
5477 		    case 2: mouse_code = MOUSE_MIDDLE; break;
5478 		    default: return -1;
5479 		}
5480 
5481 		switch (action)
5482 		{
5483 		    case 31: /* Initial press */
5484 			if (*p++ != ';')
5485 			    return -1;
5486 
5487 			num_clicks = getdigits(&p); /* Not used */
5488 			break;
5489 
5490 		    case 32: /* Release */
5491 			mouse_code |= MOUSE_RELEASE;
5492 			break;
5493 
5494 		    case 33: /* Drag */
5495 			held_button = mouse_code;
5496 			mouse_code |= MOUSE_DRAG;
5497 			break;
5498 
5499 		    default:
5500 			return -1;
5501 		}
5502 
5503 		if (*p++ != 't')
5504 		    return -1;
5505 
5506 		slen += (p - (tp + slen));
5507 	    }
5508 # endif /* FEAT_MOUSE_PTERM */
5509 
5510 	    /* Interpret the mouse code */
5511 	    current_button = (mouse_code & MOUSE_CLICK_MASK);
5512 	    if (current_button == MOUSE_RELEASE
5513 # ifdef FEAT_MOUSE_XTERM
5514 		    && wheel_code == 0
5515 # endif
5516 		    )
5517 	    {
5518 		/*
5519 		 * If we get a mouse drag or release event when
5520 		 * there is no mouse button held down (held_button ==
5521 		 * MOUSE_RELEASE), produce a K_IGNORE below.
5522 		 * (can happen when you hold down two buttons
5523 		 * and then let them go, or click in the menu bar, but not
5524 		 * on a menu, and drag into the text).
5525 		 */
5526 		if ((mouse_code & MOUSE_DRAG) == MOUSE_DRAG)
5527 		    is_drag = TRUE;
5528 		current_button = held_button;
5529 	    }
5530 	    else if (wheel_code == 0)
5531 	    {
5532 # ifdef CHECK_DOUBLE_CLICK
5533 #  ifdef FEAT_MOUSE_GPM
5534 #   ifdef FEAT_GUI
5535 		/*
5536 		 * Only for Unix, when GUI or gpm is not active, we handle
5537 		 * multi-clicks here.
5538 		 */
5539 		if (gpm_flag == 0 && !gui.in_use)
5540 #   else
5541 		if (gpm_flag == 0)
5542 #   endif
5543 #  else
5544 #   ifdef FEAT_GUI
5545 		if (!gui.in_use)
5546 #   endif
5547 #  endif
5548 		{
5549 		    /*
5550 		     * Compute the time elapsed since the previous mouse click.
5551 		     */
5552 		    gettimeofday(&mouse_time, NULL);
5553 		    if (orig_mouse_time.tv_sec == 0)
5554 		    {
5555 			/*
5556 			 * Avoid computing the difference between mouse_time
5557 			 * and orig_mouse_time for the first click, as the
5558 			 * difference would be huge and would cause
5559 			 * multiplication overflow.
5560 			 */
5561 			timediff = p_mouset;
5562 		    }
5563 		    else
5564 		    {
5565 			timediff = (mouse_time.tv_usec
5566 					     - orig_mouse_time.tv_usec) / 1000;
5567 			if (timediff < 0)
5568 			    --orig_mouse_time.tv_sec;
5569 			timediff += (mouse_time.tv_sec
5570 					      - orig_mouse_time.tv_sec) * 1000;
5571 		    }
5572 		    orig_mouse_time = mouse_time;
5573 		    if (mouse_code == orig_mouse_code
5574 			    && timediff < p_mouset
5575 			    && orig_num_clicks != 4
5576 			    && orig_mouse_col == mouse_col
5577 			    && orig_mouse_row == mouse_row
5578 			    && ((orig_topline == curwin->w_topline
5579 #ifdef FEAT_DIFF
5580 				    && orig_topfill == curwin->w_topfill
5581 #endif
5582 				)
5583 				/* Double click in tab pages line also works
5584 				 * when window contents changes. */
5585 				|| (mouse_row == 0 && firstwin->w_winrow > 0))
5586 			    )
5587 			++orig_num_clicks;
5588 		    else
5589 			orig_num_clicks = 1;
5590 		    orig_mouse_col = mouse_col;
5591 		    orig_mouse_row = mouse_row;
5592 		    orig_topline = curwin->w_topline;
5593 #ifdef FEAT_DIFF
5594 		    orig_topfill = curwin->w_topfill;
5595 #endif
5596 		}
5597 #  if defined(FEAT_GUI) || defined(FEAT_MOUSE_GPM)
5598 		else
5599 		    orig_num_clicks = NUM_MOUSE_CLICKS(mouse_code);
5600 #  endif
5601 # else
5602 		orig_num_clicks = NUM_MOUSE_CLICKS(mouse_code);
5603 # endif
5604 		is_click = TRUE;
5605 		orig_mouse_code = mouse_code;
5606 	    }
5607 	    if (!is_drag)
5608 		held_button = mouse_code & MOUSE_CLICK_MASK;
5609 
5610 	    /*
5611 	     * Translate the actual mouse event into a pseudo mouse event.
5612 	     * First work out what modifiers are to be used.
5613 	     */
5614 	    if (orig_mouse_code & MOUSE_SHIFT)
5615 		modifiers |= MOD_MASK_SHIFT;
5616 	    if (orig_mouse_code & MOUSE_CTRL)
5617 		modifiers |= MOD_MASK_CTRL;
5618 	    if (orig_mouse_code & MOUSE_ALT)
5619 		modifiers |= MOD_MASK_ALT;
5620 	    if (orig_num_clicks == 2)
5621 		modifiers |= MOD_MASK_2CLICK;
5622 	    else if (orig_num_clicks == 3)
5623 		modifiers |= MOD_MASK_3CLICK;
5624 	    else if (orig_num_clicks == 4)
5625 		modifiers |= MOD_MASK_4CLICK;
5626 
5627 	    /* Work out our pseudo mouse event. Note that MOUSE_RELEASE gets
5628 	     * added, then it's not mouse up/down. */
5629 	    key_name[0] = (int)KS_EXTRA;
5630             if (wheel_code != 0
5631 			      && (wheel_code & MOUSE_RELEASE) != MOUSE_RELEASE)
5632 	    {
5633 		if (wheel_code & MOUSE_CTRL)
5634 		    modifiers |= MOD_MASK_CTRL;
5635 		if (wheel_code & MOUSE_ALT)
5636 		    modifiers |= MOD_MASK_ALT;
5637 		key_name[1] = (wheel_code & 1)
5638 					? (int)KE_MOUSEUP : (int)KE_MOUSEDOWN;
5639 		held_button = MOUSE_RELEASE;
5640 	    }
5641 	    else
5642 		key_name[1] = get_pseudo_mouse_code(current_button,
5643 							   is_click, is_drag);
5644 
5645 	    /* Make sure the mouse position is valid.  Some terminals may
5646 	     * return weird values. */
5647 	    if (mouse_col >= Columns)
5648 		mouse_col = Columns - 1;
5649 	    if (mouse_row >= Rows)
5650 		mouse_row = Rows - 1;
5651 	}
5652 #endif /* FEAT_MOUSE */
5653 
5654 #ifdef FEAT_GUI
5655 	/*
5656 	 * If using the GUI, then we get menu and scrollbar events.
5657 	 *
5658 	 * A menu event is encoded as K_SPECIAL, KS_MENU, KE_FILLER followed by
5659 	 * four bytes which are to be taken as a pointer to the vimmenu_T
5660 	 * structure.
5661 	 *
5662 	 * A tab line event is encoded as K_SPECIAL KS_TABLINE nr, where "nr"
5663 	 * is one byte with the tab index.
5664 	 *
5665 	 * A scrollbar event is K_SPECIAL, KS_VER_SCROLLBAR, KE_FILLER followed
5666 	 * by one byte representing the scrollbar number, and then four bytes
5667 	 * representing a long_u which is the new value of the scrollbar.
5668 	 *
5669 	 * A horizontal scrollbar event is K_SPECIAL, KS_HOR_SCROLLBAR,
5670 	 * KE_FILLER followed by four bytes representing a long_u which is the
5671 	 * new value of the scrollbar.
5672 	 */
5673 # ifdef FEAT_MENU
5674 	else if (key_name[0] == (int)KS_MENU)
5675 	{
5676 	    long_u	val;
5677 
5678 	    num_bytes = get_long_from_buf(tp + slen, &val);
5679 	    if (num_bytes == -1)
5680 		return -1;
5681 	    current_menu = (vimmenu_T *)val;
5682 	    slen += num_bytes;
5683 
5684 	    /* The menu may have been deleted right after it was used, check
5685 	     * for that. */
5686 	    if (check_menu_pointer(root_menu, current_menu) == FAIL)
5687 	    {
5688 		key_name[0] = KS_EXTRA;
5689 		key_name[1] = (int)KE_IGNORE;
5690 	    }
5691 	}
5692 # endif
5693 # ifdef FEAT_GUI_TABLINE
5694 	else if (key_name[0] == (int)KS_TABLINE)
5695 	{
5696 	    /* Selecting tabline tab or using its menu. */
5697 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 1);
5698 	    if (num_bytes == -1)
5699 		return -1;
5700 	    current_tab = (int)bytes[0];
5701 	    if (current_tab == 255)	/* -1 in a byte gives 255 */
5702 		current_tab = -1;
5703 	    slen += num_bytes;
5704 	}
5705 	else if (key_name[0] == (int)KS_TABMENU)
5706 	{
5707 	    /* Selecting tabline tab or using its menu. */
5708 	    num_bytes = get_bytes_from_buf(tp + slen, bytes, 2);
5709 	    if (num_bytes == -1)
5710 		return -1;
5711 	    current_tab = (int)bytes[0];
5712 	    current_tabmenu = (int)bytes[1];
5713 	    slen += num_bytes;
5714 	}
5715 # endif
5716 # ifndef USE_ON_FLY_SCROLL
5717 	else if (key_name[0] == (int)KS_VER_SCROLLBAR)
5718 	{
5719 	    long_u	val;
5720 
5721 	    /* Get the last scrollbar event in the queue of the same type */
5722 	    j = 0;
5723 	    for (i = 0; tp[j] == CSI && tp[j + 1] == KS_VER_SCROLLBAR
5724 						     && tp[j + 2] != NUL; ++i)
5725 	    {
5726 		j += 3;
5727 		num_bytes = get_bytes_from_buf(tp + j, bytes, 1);
5728 		if (num_bytes == -1)
5729 		    break;
5730 		if (i == 0)
5731 		    current_scrollbar = (int)bytes[0];
5732 		else if (current_scrollbar != (int)bytes[0])
5733 		    break;
5734 		j += num_bytes;
5735 		num_bytes = get_long_from_buf(tp + j, &val);
5736 		if (num_bytes == -1)
5737 		    break;
5738 		scrollbar_value = val;
5739 		j += num_bytes;
5740 		slen = j;
5741 	    }
5742 	    if (i == 0)		/* not enough characters to make one */
5743 		return -1;
5744 	}
5745 	else if (key_name[0] == (int)KS_HOR_SCROLLBAR)
5746 	{
5747 	    long_u	val;
5748 
5749 	    /* Get the last horiz. scrollbar event in the queue */
5750 	    j = 0;
5751 	    for (i = 0; tp[j] == CSI && tp[j + 1] == KS_HOR_SCROLLBAR
5752 						     && tp[j + 2] != NUL; ++i)
5753 	    {
5754 		j += 3;
5755 		num_bytes = get_long_from_buf(tp + j, &val);
5756 		if (num_bytes == -1)
5757 		    break;
5758 		scrollbar_value = val;
5759 		j += num_bytes;
5760 		slen = j;
5761 	    }
5762 	    if (i == 0)		/* not enough characters to make one */
5763 		return -1;
5764 	}
5765 # endif /* !USE_ON_FLY_SCROLL */
5766 #endif /* FEAT_GUI */
5767 
5768 	/*
5769 	 * Change <xHome> to <Home>, <xUp> to <Up>, etc.
5770 	 */
5771 	key = handle_x_keys(TERMCAP2KEY(key_name[0], key_name[1]));
5772 
5773 	/*
5774 	 * Add any modifier codes to our string.
5775 	 */
5776 	new_slen = 0;		/* Length of what will replace the termcode */
5777 	if (modifiers != 0)
5778 	{
5779 	    /* Some keys have the modifier included.  Need to handle that here
5780 	     * to make mappings work. */
5781 	    key = simplify_key(key, &modifiers);
5782 	    if (modifiers != 0)
5783 	    {
5784 		string[new_slen++] = K_SPECIAL;
5785 		string[new_slen++] = (int)KS_MODIFIER;
5786 		string[new_slen++] = modifiers;
5787 	    }
5788 	}
5789 
5790 	/* Finally, add the special key code to our string */
5791 	key_name[0] = KEY2TERMCAP0(key);
5792 	key_name[1] = KEY2TERMCAP1(key);
5793 	if (key_name[0] == KS_KEY)
5794 	{
5795 	    /* from ":set <M-b>=xx" */
5796 #ifdef FEAT_MBYTE
5797 	    if (has_mbyte)
5798 		new_slen += (*mb_char2bytes)(key_name[1], string + new_slen);
5799 	    else
5800 #endif
5801 		string[new_slen++] = key_name[1];
5802 	}
5803 	else if (new_slen == 0 && key_name[0] == KS_EXTRA
5804 						  && key_name[1] == KE_IGNORE)
5805 	{
5806 	    /* Do not put K_IGNORE into the buffer, do return KEYLEN_REMOVED
5807 	     * to indicate what happened. */
5808 	    retval = KEYLEN_REMOVED;
5809 	}
5810 	else
5811 	{
5812 	    string[new_slen++] = K_SPECIAL;
5813 	    string[new_slen++] = key_name[0];
5814 	    string[new_slen++] = key_name[1];
5815 	}
5816 	string[new_slen] = NUL;
5817 	extra = new_slen - slen;
5818 	if (buf == NULL)
5819 	{
5820 	    if (extra < 0)
5821 		/* remove matched chars, taking care of noremap */
5822 		del_typebuf(-extra, offset);
5823 	    else if (extra > 0)
5824 		/* insert the extra space we need */
5825 		ins_typebuf(string + slen, REMAP_YES, offset, FALSE, FALSE);
5826 
5827 	    /*
5828 	     * Careful: del_typebuf() and ins_typebuf() may have reallocated
5829 	     * typebuf.tb_buf[]!
5830 	     */
5831 	    mch_memmove(typebuf.tb_buf + typebuf.tb_off + offset, string,
5832 							    (size_t)new_slen);
5833 	}
5834 	else
5835 	{
5836 	    if (extra < 0)
5837 		/* remove matched characters */
5838 		mch_memmove(buf + offset, buf + offset - extra,
5839 					   (size_t)(*buflen + offset + extra));
5840 	    else if (extra > 0)
5841 	    {
5842 		/* Insert the extra space we need.  If there is insufficient
5843 		 * space return -1. */
5844 		if (*buflen + extra + new_slen >= bufsize)
5845 		    return -1;
5846 		mch_memmove(buf + offset + extra, buf + offset,
5847 						   (size_t)(*buflen - offset));
5848 	    }
5849 	    mch_memmove(buf + offset, string, (size_t)new_slen);
5850 	    *buflen = *buflen + extra + new_slen;
5851 	}
5852 	return retval == 0 ? (len + extra + offset) : retval;
5853     }
5854 
5855 #ifdef FEAT_TERMRESPONSE
5856     LOG_TR("normal character");
5857 #endif
5858 
5859     return 0;			    /* no match found */
5860 }
5861 
5862 #if (defined(FEAT_TERMINAL) && defined(FEAT_TERMRESPONSE)) || defined(PROTO)
5863 /*
5864  * Get the text foreground color, if known.
5865  */
5866     void
5867 term_get_fg_color(char_u *r, char_u *g, char_u *b)
5868 {
5869     if (rfg_status == STATUS_GOT)
5870     {
5871 	*r = fg_r;
5872 	*g = fg_g;
5873 	*b = fg_b;
5874     }
5875 }
5876 
5877 /*
5878  * Get the text background color, if known.
5879  */
5880     void
5881 term_get_bg_color(char_u *r, char_u *g, char_u *b)
5882 {
5883     if (rbg_status == STATUS_GOT)
5884     {
5885 	*r = bg_r;
5886 	*g = bg_g;
5887 	*b = bg_b;
5888     }
5889 }
5890 #endif
5891 
5892 /*
5893  * Replace any terminal code strings in from[] with the equivalent internal
5894  * vim representation.	This is used for the "from" and "to" part of a
5895  * mapping, and the "to" part of a menu command.
5896  * Any strings like "<C-UP>" are also replaced, unless 'cpoptions' contains
5897  * '<'.
5898  * K_SPECIAL by itself is replaced by K_SPECIAL KS_SPECIAL KE_FILLER.
5899  *
5900  * The replacement is done in result[] and finally copied into allocated
5901  * memory. If this all works well *bufp is set to the allocated memory and a
5902  * pointer to it is returned. If something fails *bufp is set to NULL and from
5903  * is returned.
5904  *
5905  * CTRL-V characters are removed.  When "from_part" is TRUE, a trailing CTRL-V
5906  * is included, otherwise it is removed (for ":map xx ^V", maps xx to
5907  * nothing).  When 'cpoptions' does not contain 'B', a backslash can be used
5908  * instead of a CTRL-V.
5909  */
5910     char_u *
5911 replace_termcodes(
5912     char_u	*from,
5913     char_u	**bufp,
5914     int		from_part,
5915     int		do_lt,		/* also translate <lt> */
5916     int		special)	/* always accept <key> notation */
5917 {
5918     int		i;
5919     int		slen;
5920     int		key;
5921     int		dlen = 0;
5922     char_u	*src;
5923     int		do_backslash;	/* backslash is a special character */
5924     int		do_special;	/* recognize <> key codes */
5925     int		do_key_code;	/* recognize raw key codes */
5926     char_u	*result;	/* buffer for resulting string */
5927 
5928     do_backslash = (vim_strchr(p_cpo, CPO_BSLASH) == NULL);
5929     do_special = (vim_strchr(p_cpo, CPO_SPECI) == NULL) || special;
5930     do_key_code = (vim_strchr(p_cpo, CPO_KEYCODE) == NULL);
5931 
5932     /*
5933      * Allocate space for the translation.  Worst case a single character is
5934      * replaced by 6 bytes (shifted special key), plus a NUL at the end.
5935      */
5936     result = alloc((unsigned)STRLEN(from) * 6 + 1);
5937     if (result == NULL)		/* out of memory */
5938     {
5939 	*bufp = NULL;
5940 	return from;
5941     }
5942 
5943     src = from;
5944 
5945     /*
5946      * Check for #n at start only: function key n
5947      */
5948     if (from_part && src[0] == '#' && VIM_ISDIGIT(src[1]))  /* function key */
5949     {
5950 	result[dlen++] = K_SPECIAL;
5951 	result[dlen++] = 'k';
5952 	if (src[1] == '0')
5953 	    result[dlen++] = ';';	/* #0 is F10 is "k;" */
5954 	else
5955 	    result[dlen++] = src[1];	/* #3 is F3 is "k3" */
5956 	src += 2;
5957     }
5958 
5959     /*
5960      * Copy each byte from *from to result[dlen]
5961      */
5962     while (*src != NUL)
5963     {
5964 	/*
5965 	 * If 'cpoptions' does not contain '<', check for special key codes,
5966 	 * like "<C-S-LeftMouse>"
5967 	 */
5968 	if (do_special && (do_lt || STRNCMP(src, "<lt>", 4) != 0))
5969 	{
5970 #ifdef FEAT_EVAL
5971 	    /*
5972 	     * Replace <SID> by K_SNR <script-nr> _.
5973 	     * (room: 5 * 6 = 30 bytes; needed: 3 + <nr> + 1 <= 14)
5974 	     */
5975 	    if (STRNICMP(src, "<SID>", 5) == 0)
5976 	    {
5977 		if (current_SID <= 0)
5978 		    EMSG(_(e_usingsid));
5979 		else
5980 		{
5981 		    src += 5;
5982 		    result[dlen++] = K_SPECIAL;
5983 		    result[dlen++] = (int)KS_EXTRA;
5984 		    result[dlen++] = (int)KE_SNR;
5985 		    sprintf((char *)result + dlen, "%ld", (long)current_SID);
5986 		    dlen += (int)STRLEN(result + dlen);
5987 		    result[dlen++] = '_';
5988 		    continue;
5989 		}
5990 	    }
5991 #endif
5992 
5993 	    slen = trans_special(&src, result + dlen, TRUE, FALSE);
5994 	    if (slen)
5995 	    {
5996 		dlen += slen;
5997 		continue;
5998 	    }
5999 	}
6000 
6001 	/*
6002 	 * If 'cpoptions' does not contain 'k', see if it's an actual key-code.
6003 	 * Note that this is also checked after replacing the <> form.
6004 	 * Single character codes are NOT replaced (e.g. ^H or DEL), because
6005 	 * it could be a character in the file.
6006 	 */
6007 	if (do_key_code)
6008 	{
6009 	    i = find_term_bykeys(src);
6010 	    if (i >= 0)
6011 	    {
6012 		result[dlen++] = K_SPECIAL;
6013 		result[dlen++] = termcodes[i].name[0];
6014 		result[dlen++] = termcodes[i].name[1];
6015 		src += termcodes[i].len;
6016 		/* If terminal code matched, continue after it. */
6017 		continue;
6018 	    }
6019 	}
6020 
6021 #ifdef FEAT_EVAL
6022 	if (do_special)
6023 	{
6024 	    char_u	*p, *s, len;
6025 
6026 	    /*
6027 	     * Replace <Leader> by the value of "mapleader".
6028 	     * Replace <LocalLeader> by the value of "maplocalleader".
6029 	     * If "mapleader" or "maplocalleader" isn't set use a backslash.
6030 	     */
6031 	    if (STRNICMP(src, "<Leader>", 8) == 0)
6032 	    {
6033 		len = 8;
6034 		p = get_var_value((char_u *)"g:mapleader");
6035 	    }
6036 	    else if (STRNICMP(src, "<LocalLeader>", 13) == 0)
6037 	    {
6038 		len = 13;
6039 		p = get_var_value((char_u *)"g:maplocalleader");
6040 	    }
6041 	    else
6042 	    {
6043 		len = 0;
6044 		p = NULL;
6045 	    }
6046 	    if (len != 0)
6047 	    {
6048 		/* Allow up to 8 * 6 characters for "mapleader". */
6049 		if (p == NULL || *p == NUL || STRLEN(p) > 8 * 6)
6050 		    s = (char_u *)"\\";
6051 		else
6052 		    s = p;
6053 		while (*s != NUL)
6054 		    result[dlen++] = *s++;
6055 		src += len;
6056 		continue;
6057 	    }
6058 	}
6059 #endif
6060 
6061 	/*
6062 	 * Remove CTRL-V and ignore the next character.
6063 	 * For "from" side the CTRL-V at the end is included, for the "to"
6064 	 * part it is removed.
6065 	 * If 'cpoptions' does not contain 'B', also accept a backslash.
6066 	 */
6067 	key = *src;
6068 	if (key == Ctrl_V || (do_backslash && key == '\\'))
6069 	{
6070 	    ++src;				/* skip CTRL-V or backslash */
6071 	    if (*src == NUL)
6072 	    {
6073 		if (from_part)
6074 		    result[dlen++] = key;
6075 		break;
6076 	    }
6077 	}
6078 
6079 #ifdef FEAT_MBYTE
6080 	/* skip multibyte char correctly */
6081 	for (i = (*mb_ptr2len)(src); i > 0; --i)
6082 #endif
6083 	{
6084 	    /*
6085 	     * If the character is K_SPECIAL, replace it with K_SPECIAL
6086 	     * KS_SPECIAL KE_FILLER.
6087 	     * If compiled with the GUI replace CSI with K_CSI.
6088 	     */
6089 	    if (*src == K_SPECIAL)
6090 	    {
6091 		result[dlen++] = K_SPECIAL;
6092 		result[dlen++] = KS_SPECIAL;
6093 		result[dlen++] = KE_FILLER;
6094 	    }
6095 # ifdef FEAT_GUI
6096 	    else if (*src == CSI)
6097 	    {
6098 		result[dlen++] = K_SPECIAL;
6099 		result[dlen++] = KS_EXTRA;
6100 		result[dlen++] = (int)KE_CSI;
6101 	    }
6102 # endif
6103 	    else
6104 		result[dlen++] = *src;
6105 	    ++src;
6106 	}
6107     }
6108     result[dlen] = NUL;
6109 
6110     /*
6111      * Copy the new string to allocated memory.
6112      * If this fails, just return from.
6113      */
6114     if ((*bufp = vim_strsave(result)) != NULL)
6115 	from = *bufp;
6116     vim_free(result);
6117     return from;
6118 }
6119 
6120 /*
6121  * Find a termcode with keys 'src' (must be NUL terminated).
6122  * Return the index in termcodes[], or -1 if not found.
6123  */
6124     int
6125 find_term_bykeys(char_u *src)
6126 {
6127     int		i;
6128     int		slen = (int)STRLEN(src);
6129 
6130     for (i = 0; i < tc_len; ++i)
6131     {
6132 	if (slen == termcodes[i].len
6133 			&& STRNCMP(termcodes[i].code, src, (size_t)slen) == 0)
6134 	    return i;
6135     }
6136     return -1;
6137 }
6138 
6139 /*
6140  * Gather the first characters in the terminal key codes into a string.
6141  * Used to speed up check_termcode().
6142  */
6143     static void
6144 gather_termleader(void)
6145 {
6146     int	    i;
6147     int	    len = 0;
6148 
6149 #ifdef FEAT_GUI
6150     if (gui.in_use)
6151 	termleader[len++] = CSI;    /* the GUI codes are not in termcodes[] */
6152 #endif
6153 #ifdef FEAT_TERMRESPONSE
6154     if (check_for_codes || *T_CRS != NUL)
6155 	termleader[len++] = DCS;    /* the termcode response starts with DCS
6156 				       in 8-bit mode */
6157 #endif
6158     termleader[len] = NUL;
6159 
6160     for (i = 0; i < tc_len; ++i)
6161 	if (vim_strchr(termleader, termcodes[i].code[0]) == NULL)
6162 	{
6163 	    termleader[len++] = termcodes[i].code[0];
6164 	    termleader[len] = NUL;
6165 	}
6166 
6167     need_gather = FALSE;
6168 }
6169 
6170 /*
6171  * Show all termcodes (for ":set termcap")
6172  * This code looks a lot like showoptions(), but is different.
6173  */
6174     void
6175 show_termcodes(void)
6176 {
6177     int		col;
6178     int		*items;
6179     int		item_count;
6180     int		run;
6181     int		row, rows;
6182     int		cols;
6183     int		i;
6184     int		len;
6185 
6186 #define INC3 27	    /* try to make three columns */
6187 #define INC2 40	    /* try to make two columns */
6188 #define GAP 2	    /* spaces between columns */
6189 
6190     if (tc_len == 0)	    /* no terminal codes (must be GUI) */
6191 	return;
6192     items = (int *)alloc((unsigned)(sizeof(int) * tc_len));
6193     if (items == NULL)
6194 	return;
6195 
6196     /* Highlight title */
6197     MSG_PUTS_TITLE(_("\n--- Terminal keys ---"));
6198 
6199     /*
6200      * do the loop two times:
6201      * 1. display the short items (non-strings and short strings)
6202      * 2. display the medium items (medium length strings)
6203      * 3. display the long items (remaining strings)
6204      */
6205     for (run = 1; run <= 3 && !got_int; ++run)
6206     {
6207 	/*
6208 	 * collect the items in items[]
6209 	 */
6210 	item_count = 0;
6211 	for (i = 0; i < tc_len; i++)
6212 	{
6213 	    len = show_one_termcode(termcodes[i].name,
6214 						    termcodes[i].code, FALSE);
6215 	    if (len <= INC3 - GAP ? run == 1
6216 			: len <= INC2 - GAP ? run == 2
6217 			: run == 3)
6218 		items[item_count++] = i;
6219 	}
6220 
6221 	/*
6222 	 * display the items
6223 	 */
6224 	if (run <= 2)
6225 	{
6226 	    cols = (Columns + GAP) / (run == 1 ? INC3 : INC2);
6227 	    if (cols == 0)
6228 		cols = 1;
6229 	    rows = (item_count + cols - 1) / cols;
6230 	}
6231 	else	/* run == 3 */
6232 	    rows = item_count;
6233 	for (row = 0; row < rows && !got_int; ++row)
6234 	{
6235 	    msg_putchar('\n');			/* go to next line */
6236 	    if (got_int)			/* 'q' typed in more */
6237 		break;
6238 	    col = 0;
6239 	    for (i = row; i < item_count; i += rows)
6240 	    {
6241 		msg_col = col;			/* make columns */
6242 		show_one_termcode(termcodes[items[i]].name,
6243 					      termcodes[items[i]].code, TRUE);
6244 		if (run == 2)
6245 		    col += INC2;
6246 		else
6247 		    col += INC3;
6248 	    }
6249 	    out_flush();
6250 	    ui_breakcheck();
6251 	}
6252     }
6253     vim_free(items);
6254 }
6255 
6256 /*
6257  * Show one termcode entry.
6258  * Output goes into IObuff[]
6259  */
6260     int
6261 show_one_termcode(char_u *name, char_u *code, int printit)
6262 {
6263     char_u	*p;
6264     int		len;
6265 
6266     if (name[0] > '~')
6267     {
6268 	IObuff[0] = ' ';
6269 	IObuff[1] = ' ';
6270 	IObuff[2] = ' ';
6271 	IObuff[3] = ' ';
6272     }
6273     else
6274     {
6275 	IObuff[0] = 't';
6276 	IObuff[1] = '_';
6277 	IObuff[2] = name[0];
6278 	IObuff[3] = name[1];
6279     }
6280     IObuff[4] = ' ';
6281 
6282     p = get_special_key_name(TERMCAP2KEY(name[0], name[1]), 0);
6283     if (p[1] != 't')
6284 	STRCPY(IObuff + 5, p);
6285     else
6286 	IObuff[5] = NUL;
6287     len = (int)STRLEN(IObuff);
6288     do
6289 	IObuff[len++] = ' ';
6290     while (len < 17);
6291     IObuff[len] = NUL;
6292     if (code == NULL)
6293 	len += 4;
6294     else
6295 	len += vim_strsize(code);
6296 
6297     if (printit)
6298     {
6299 	msg_puts(IObuff);
6300 	if (code == NULL)
6301 	    msg_puts((char_u *)"NULL");
6302 	else
6303 	    msg_outtrans(code);
6304     }
6305     return len;
6306 }
6307 
6308 #if defined(FEAT_TERMRESPONSE) || defined(PROTO)
6309 /*
6310  * For Xterm >= 140 compiled with OPT_TCAP_QUERY: Obtain the actually used
6311  * termcap codes from the terminal itself.
6312  * We get them one by one to avoid a very long response string.
6313  */
6314 static int xt_index_in = 0;
6315 static int xt_index_out = 0;
6316 
6317     static void
6318 req_codes_from_term(void)
6319 {
6320     xt_index_out = 0;
6321     xt_index_in = 0;
6322     req_more_codes_from_term();
6323 }
6324 
6325     static void
6326 req_more_codes_from_term(void)
6327 {
6328     char	buf[11];
6329     int		old_idx = xt_index_out;
6330 
6331     /* Don't do anything when going to exit. */
6332     if (exiting)
6333 	return;
6334 
6335     /* Send up to 10 more requests out than we received.  Avoid sending too
6336      * many, there can be a buffer overflow somewhere. */
6337     while (xt_index_out < xt_index_in + 10 && key_names[xt_index_out] != NULL)
6338     {
6339 # ifdef DEBUG_TERMRESPONSE
6340 	char dbuf[100];
6341 
6342 	sprintf(dbuf, "Requesting XT %d: %s",
6343 				       xt_index_out, key_names[xt_index_out]);
6344 	log_tr(dbuf);
6345 # endif
6346 	sprintf(buf, "\033P+q%02x%02x\033\\",
6347 		      key_names[xt_index_out][0], key_names[xt_index_out][1]);
6348 	out_str_nf((char_u *)buf);
6349 	++xt_index_out;
6350     }
6351 
6352     /* Send the codes out right away. */
6353     if (xt_index_out != old_idx)
6354 	out_flush();
6355 }
6356 
6357 /*
6358  * Decode key code response from xterm: '<Esc>P1+r<name>=<string><Esc>\'.
6359  * A "0" instead of the "1" indicates a code that isn't supported.
6360  * Both <name> and <string> are encoded in hex.
6361  * "code" points to the "0" or "1".
6362  */
6363     static void
6364 got_code_from_term(char_u *code, int len)
6365 {
6366 #define XT_LEN 100
6367     char_u	name[3];
6368     char_u	str[XT_LEN];
6369     int		i;
6370     int		j = 0;
6371     int		c;
6372 
6373     /* A '1' means the code is supported, a '0' means it isn't.
6374      * When half the length is > XT_LEN we can't use it.
6375      * Our names are currently all 2 characters. */
6376     if (code[0] == '1' && code[7] == '=' && len / 2 < XT_LEN)
6377     {
6378 	/* Get the name from the response and find it in the table. */
6379 	name[0] = hexhex2nr(code + 3);
6380 	name[1] = hexhex2nr(code + 5);
6381 	name[2] = NUL;
6382 	for (i = 0; key_names[i] != NULL; ++i)
6383 	{
6384 	    if (STRCMP(key_names[i], name) == 0)
6385 	    {
6386 		xt_index_in = i;
6387 		break;
6388 	    }
6389 	}
6390 # ifdef DEBUG_TERMRESPONSE
6391 	{
6392 	    char buf[100];
6393 
6394 	    sprintf(buf, "Received XT %d: %s", xt_index_in, (char *)name);
6395 	    log_tr(buf);
6396 	}
6397 # endif
6398 	if (key_names[i] != NULL)
6399 	{
6400 	    for (i = 8; (c = hexhex2nr(code + i)) >= 0; i += 2)
6401 		str[j++] = c;
6402 	    str[j] = NUL;
6403 	    if (name[0] == 'C' && name[1] == 'o')
6404 	    {
6405 		/* Color count is not a key code. */
6406 		i = atoi((char *)str);
6407 		may_adjust_color_count(i);
6408 	    }
6409 	    else
6410 	    {
6411 		/* First delete any existing entry with the same code. */
6412 		i = find_term_bykeys(str);
6413 		if (i >= 0)
6414 		    del_termcode_idx(i);
6415 		add_termcode(name, str, ATC_FROM_TERM);
6416 	    }
6417 	}
6418     }
6419 
6420     /* May request more codes now that we received one. */
6421     ++xt_index_in;
6422     req_more_codes_from_term();
6423 }
6424 
6425 /*
6426  * Check if there are any unanswered requests and deal with them.
6427  * This is called before starting an external program or getting direct
6428  * keyboard input.  We don't want responses to be send to that program or
6429  * handled as typed text.
6430  */
6431     static void
6432 check_for_codes_from_term(void)
6433 {
6434     int		c;
6435 
6436     /* If no codes requested or all are answered, no need to wait. */
6437     if (xt_index_out == 0 || xt_index_out == xt_index_in)
6438 	return;
6439 
6440     /* Vgetc() will check for and handle any response.
6441      * Keep calling vpeekc() until we don't get any responses. */
6442     ++no_mapping;
6443     ++allow_keys;
6444     for (;;)
6445     {
6446 	c = vpeekc();
6447 	if (c == NUL)	    /* nothing available */
6448 	    break;
6449 
6450 	/* If a response is recognized it's replaced with K_IGNORE, must read
6451 	 * it from the input stream.  If there is no K_IGNORE we can't do
6452 	 * anything, break here (there might be some responses further on, but
6453 	 * we don't want to throw away any typed chars). */
6454 	if (c != K_SPECIAL && c != K_IGNORE)
6455 	    break;
6456 	c = vgetc();
6457 	if (c != K_IGNORE)
6458 	{
6459 	    vungetc(c);
6460 	    break;
6461 	}
6462     }
6463     --no_mapping;
6464     --allow_keys;
6465 }
6466 #endif
6467 
6468 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6469 /*
6470  * Translate an internal mapping/abbreviation representation into the
6471  * corresponding external one recognized by :map/:abbrev commands;
6472  * respects the current B/k/< settings of 'cpoption'.
6473  *
6474  * This function is called when expanding mappings/abbreviations on the
6475  * command-line, and for building the "Ambiguous mapping..." error message.
6476  *
6477  * It uses a growarray to build the translation string since the
6478  * latter can be wider than the original description. The caller has to
6479  * free the string afterwards.
6480  *
6481  * Returns NULL when there is a problem.
6482  */
6483     char_u *
6484 translate_mapping(
6485     char_u	*str,
6486     int		expmap)  /* TRUE when expanding mappings on command-line */
6487 {
6488     garray_T	ga;
6489     int		c;
6490     int		modifiers;
6491     int		cpo_bslash;
6492     int		cpo_special;
6493     int		cpo_keycode;
6494 
6495     ga_init(&ga);
6496     ga.ga_itemsize = 1;
6497     ga.ga_growsize = 40;
6498 
6499     cpo_bslash = (vim_strchr(p_cpo, CPO_BSLASH) != NULL);
6500     cpo_special = (vim_strchr(p_cpo, CPO_SPECI) != NULL);
6501     cpo_keycode = (vim_strchr(p_cpo, CPO_KEYCODE) == NULL);
6502 
6503     for (; *str; ++str)
6504     {
6505 	c = *str;
6506 	if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL)
6507 	{
6508 	    modifiers = 0;
6509 	    if (str[1] == KS_MODIFIER)
6510 	    {
6511 		str++;
6512 		modifiers = *++str;
6513 		c = *++str;
6514 	    }
6515 	    if (cpo_special && cpo_keycode && c == K_SPECIAL && !modifiers)
6516 	    {
6517 		int	i;
6518 
6519 		/* try to find special key in termcodes */
6520 		for (i = 0; i < tc_len; ++i)
6521 		    if (termcodes[i].name[0] == str[1]
6522 					    && termcodes[i].name[1] == str[2])
6523 			break;
6524 		if (i < tc_len)
6525 		{
6526 		    ga_concat(&ga, termcodes[i].code);
6527 		    str += 2;
6528 		    continue; /* for (str) */
6529 		}
6530 	    }
6531 	    if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL)
6532 	    {
6533 		if (expmap && cpo_special)
6534 		{
6535 		    ga_clear(&ga);
6536 		    return NULL;
6537 		}
6538 		c = TO_SPECIAL(str[1], str[2]);
6539 		if (c == K_ZERO)	/* display <Nul> as ^@ */
6540 		    c = NUL;
6541 		str += 2;
6542 	    }
6543 	    if (IS_SPECIAL(c) || modifiers)	/* special key */
6544 	    {
6545 		if (expmap && cpo_special)
6546 		{
6547 		    ga_clear(&ga);
6548 		    return NULL;
6549 		}
6550 		ga_concat(&ga, get_special_key_name(c, modifiers));
6551 		continue; /* for (str) */
6552 	    }
6553 	}
6554 	if (c == ' ' || c == '\t' || c == Ctrl_J || c == Ctrl_V
6555 	    || (c == '<' && !cpo_special) || (c == '\\' && !cpo_bslash))
6556 	    ga_append(&ga, cpo_bslash ? Ctrl_V : '\\');
6557 	if (c)
6558 	    ga_append(&ga, c);
6559     }
6560     ga_append(&ga, NUL);
6561     return (char_u *)(ga.ga_data);
6562 }
6563 #endif
6564 
6565 #if (defined(WIN3264) && !defined(FEAT_GUI)) || defined(PROTO)
6566 static char ksme_str[20];
6567 static char ksmr_str[20];
6568 static char ksmd_str[20];
6569 
6570 /*
6571  * For Win32 console: update termcap codes for existing console attributes.
6572  */
6573     void
6574 update_tcap(int attr)
6575 {
6576     struct builtin_term *p;
6577 
6578     p = find_builtin_term(DEFAULT_TERM);
6579     sprintf(ksme_str, IF_EB("\033|%dm", ESC_STR "|%dm"), attr);
6580     sprintf(ksmd_str, IF_EB("\033|%dm", ESC_STR "|%dm"),
6581 				     attr | 0x08);  /* FOREGROUND_INTENSITY */
6582     sprintf(ksmr_str, IF_EB("\033|%dm", ESC_STR "|%dm"),
6583 				 ((attr & 0x0F) << 4) | ((attr & 0xF0) >> 4));
6584 
6585     while (p->bt_string != NULL)
6586     {
6587       if (p->bt_entry == (int)KS_ME)
6588 	  p->bt_string = &ksme_str[0];
6589       else if (p->bt_entry == (int)KS_MR)
6590 	  p->bt_string = &ksmr_str[0];
6591       else if (p->bt_entry == (int)KS_MD)
6592 	  p->bt_string = &ksmd_str[0];
6593       ++p;
6594     }
6595 }
6596 #endif
6597 
6598 #if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO)
6599     static int
6600 hex_digit(int c)
6601 {
6602     if (isdigit(c))
6603 	return c - '0';
6604     c = TOLOWER_ASC(c);
6605     if (c >= 'a' && c <= 'f')
6606 	return c - 'a' + 10;
6607     return 0x1ffffff;
6608 }
6609 
6610     guicolor_T
6611 gui_get_color_cmn(char_u *name)
6612 {
6613     /* On MS-Windows an RGB macro is available and it produces 0x00bbggrr color
6614      * values as used by the MS-Windows GDI api.  It should be used only for
6615      * MS-Windows GDI builds. */
6616 # if defined(RGB) && defined(WIN32) && !defined(FEAT_GUI)
6617 #  undef RGB
6618 # endif
6619 # ifndef RGB
6620 #  define RGB(r, g, b)	((r<<16) | (g<<8) | (b))
6621 # endif
6622 # define LINE_LEN 100
6623     FILE	*fd;
6624     char	line[LINE_LEN];
6625     char_u	*fname;
6626     int		r, g, b, i;
6627     guicolor_T  color;
6628 
6629     struct rgbcolor_table_S {
6630 	char_u	    *color_name;
6631 	guicolor_T  color;
6632     };
6633 
6634     /* Only non X11 colors (not present in rgb.txt) and colors in
6635      * color_names[], useful when $VIMRUNTIME is not found,. */
6636     static struct rgbcolor_table_S rgb_table[] = {
6637 	    {(char_u *)"black",		RGB(0x00, 0x00, 0x00)},
6638 	    {(char_u *)"blue",		RGB(0x00, 0x00, 0xFF)},
6639 	    {(char_u *)"brown",		RGB(0xA5, 0x2A, 0x2A)},
6640 	    {(char_u *)"cyan",		RGB(0x00, 0xFF, 0xFF)},
6641 	    {(char_u *)"darkblue",	RGB(0x00, 0x00, 0x8B)},
6642 	    {(char_u *)"darkcyan",	RGB(0x00, 0x8B, 0x8B)},
6643 	    {(char_u *)"darkgray",	RGB(0xA9, 0xA9, 0xA9)},
6644 	    {(char_u *)"darkgreen",	RGB(0x00, 0x64, 0x00)},
6645 	    {(char_u *)"darkgrey",	RGB(0xA9, 0xA9, 0xA9)},
6646 	    {(char_u *)"darkmagenta",	RGB(0x8B, 0x00, 0x8B)},
6647 	    {(char_u *)"darkred",	RGB(0x8B, 0x00, 0x00)},
6648 	    {(char_u *)"darkyellow",	RGB(0x8B, 0x8B, 0x00)}, /* No X11 */
6649 	    {(char_u *)"gray",		RGB(0xBE, 0xBE, 0xBE)},
6650 	    {(char_u *)"green",		RGB(0x00, 0xFF, 0x00)},
6651 	    {(char_u *)"grey",		RGB(0xBE, 0xBE, 0xBE)},
6652 	    {(char_u *)"grey40",	RGB(0x66, 0x66, 0x66)},
6653 	    {(char_u *)"grey90",	RGB(0xE5, 0xE5, 0xE5)},
6654 	    {(char_u *)"lightblue",	RGB(0xAD, 0xD8, 0xE6)},
6655 	    {(char_u *)"lightcyan",	RGB(0xE0, 0xFF, 0xFF)},
6656 	    {(char_u *)"lightgray",	RGB(0xD3, 0xD3, 0xD3)},
6657 	    {(char_u *)"lightgreen",	RGB(0x90, 0xEE, 0x90)},
6658 	    {(char_u *)"lightgrey",	RGB(0xD3, 0xD3, 0xD3)},
6659 	    {(char_u *)"lightmagenta",	RGB(0xFF, 0x8B, 0xFF)}, /* No X11 */
6660 	    {(char_u *)"lightred",	RGB(0xFF, 0x8B, 0x8B)}, /* No X11 */
6661 	    {(char_u *)"lightyellow",	RGB(0xFF, 0xFF, 0xE0)},
6662 	    {(char_u *)"magenta",	RGB(0xFF, 0x00, 0xFF)},
6663 	    {(char_u *)"red",		RGB(0xFF, 0x00, 0x00)},
6664 	    {(char_u *)"seagreen",	RGB(0x2E, 0x8B, 0x57)},
6665 	    {(char_u *)"white",		RGB(0xFF, 0xFF, 0xFF)},
6666 	    {(char_u *)"yellow",	RGB(0xFF, 0xFF, 0x00)},
6667     };
6668 
6669     static struct rgbcolor_table_S *colornames_table;
6670     static int size = 0;
6671 
6672     if (name[0] == '#' && STRLEN(name) == 7)
6673     {
6674 	/* Name is in "#rrggbb" format */
6675 	color = RGB(((hex_digit(name[1]) << 4) + hex_digit(name[2])),
6676 		    ((hex_digit(name[3]) << 4) + hex_digit(name[4])),
6677 		    ((hex_digit(name[5]) << 4) + hex_digit(name[6])));
6678 	if (color > 0xffffff)
6679 	    return INVALCOLOR;
6680 	return color;
6681     }
6682 
6683     /* Check if the name is one of the colors we know */
6684     for (i = 0; i < (int)(sizeof(rgb_table) / sizeof(rgb_table[0])); i++)
6685 	if (STRICMP(name, rgb_table[i].color_name) == 0)
6686 	    return rgb_table[i].color;
6687 
6688     /*
6689      * Last attempt. Look in the file "$VIM/rgb.txt".
6690      */
6691     if (size == 0)
6692     {
6693 	int counting;
6694 
6695 	/* colornames_table not yet initialized */
6696 	fname = expand_env_save((char_u *)"$VIMRUNTIME/rgb.txt");
6697 	if (fname == NULL)
6698 	    return INVALCOLOR;
6699 
6700 	fd = fopen((char *)fname, "rt");
6701 	vim_free(fname);
6702 	if (fd == NULL)
6703 	{
6704 	    if (p_verbose > 1)
6705 		verb_msg((char_u *)_("Cannot open $VIMRUNTIME/rgb.txt"));
6706 	    return INVALCOLOR;
6707 	}
6708 
6709 	for (counting = 1; counting >= 0; --counting)
6710 	{
6711 	    if (!counting)
6712 	    {
6713 		colornames_table = (struct rgbcolor_table_S *)alloc(
6714 			   (unsigned)(sizeof(struct rgbcolor_table_S) * size));
6715 		if (colornames_table == NULL)
6716 		{
6717 		    fclose(fd);
6718 		    return INVALCOLOR;
6719 		}
6720 		rewind(fd);
6721 	    }
6722 	    size = 0;
6723 
6724 	    while (!feof(fd))
6725 	    {
6726 		size_t	len;
6727 		int	pos;
6728 
6729 		ignoredp = fgets(line, LINE_LEN, fd);
6730 		len = strlen(line);
6731 
6732 		if (len <= 1 || line[len - 1] != '\n')
6733 		    continue;
6734 
6735 		line[len - 1] = '\0';
6736 
6737 		i = sscanf(line, "%d %d %d %n", &r, &g, &b, &pos);
6738 		if (i != 3)
6739 		    continue;
6740 
6741 		if (!counting)
6742 		{
6743 		    char_u *s = vim_strsave((char_u *)line + pos);
6744 
6745 		    if (s == NULL)
6746 		    {
6747 			fclose(fd);
6748 			return INVALCOLOR;
6749 		    }
6750 		    colornames_table[size].color_name = s;
6751 		    colornames_table[size].color = (guicolor_T)RGB(r, g, b);
6752 		}
6753 		size++;
6754 	    }
6755 	}
6756 	fclose(fd);
6757     }
6758 
6759     for (i = 0; i < size; i++)
6760 	if (STRICMP(name, colornames_table[i].color_name) == 0)
6761 	    return colornames_table[i].color;
6762 
6763     return INVALCOLOR;
6764 }
6765 
6766     guicolor_T
6767 gui_get_rgb_color_cmn(int r, int g, int b)
6768 {
6769     guicolor_T  color = RGB(r, g, b);
6770 
6771     if (color > 0xffffff)
6772 	return INVALCOLOR;
6773     return color;
6774 }
6775 #endif
6776