Mercurial > vim
annotate src/getchar.c @ 17885:5e2d8840da11 v8.1.1939
patch 8.1.1939: code for handling v: variables in generic eval file
Commit: https://github.com/vim/vim/commit/e5cdf153bcb348c68011b308c8988cea42d6ddeb
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Aug 29 22:09:46 2019 +0200
patch 8.1.1939: code for handling v: variables in generic eval file
Problem: Code for handling v: variables in generic eval file.
Solution: Move v: variables to evalvars.c. (Yegappan Lakshmanan,
closes #4872)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Thu, 29 Aug 2019 22:15:04 +0200 |
parents | 59f8948b7590 |
children | a1396a35444c |
rev | line source |
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
7 | 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 * getchar.c | |
12 * | |
13 * functions related with getting a character from the user/mapping/redo/... | |
14 * | |
15 * manipulations with redo buffer and stuff buffer | |
16 * mappings and abbreviations | |
17 */ | |
18 | |
19 #include "vim.h" | |
20 | |
21 /* | |
22 * These buffers are used for storing: | |
23 * - stuffed characters: A command that is translated into another command. | |
24 * - redo characters: will redo the last change. | |
1992 | 25 * - recorded characters: for the "q" command. |
7 | 26 * |
27 * The bytes are stored like in the typeahead buffer: | |
28 * - K_SPECIAL introduces a special key (two more bytes follow). A literal | |
29 * K_SPECIAL is stored as K_SPECIAL KS_SPECIAL KE_FILLER. | |
30 * - CSI introduces a GUI termcap code (also when gui.in_use is FALSE, | |
31 * otherwise switching the GUI on would make mappings invalid). | |
32 * A literal CSI is stored as CSI KS_EXTRA KE_CSI. | |
33 * These translations are also done on multi-byte characters! | |
34 * | |
35 * Escaping CSI bytes is done by the system-specific input functions, called | |
36 * by ui_inchar(). | |
37 * Escaping K_SPECIAL is done by inchar(). | |
38 * Un-escaping is done by vgetc(). | |
39 */ | |
40 | |
41 #define MINIMAL_SIZE 20 /* minimal size for b_str */ | |
42 | |
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43 static buffheader_T redobuff = {{NULL, {NUL}}, NULL, 0, 0}; |
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44 static buffheader_T old_redobuff = {{NULL, {NUL}}, NULL, 0, 0}; |
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45 static buffheader_T recordbuff = {{NULL, {NUL}}, NULL, 0, 0}; |
7 | 46 |
47 static int typeahead_char = 0; /* typeahead char that's not flushed */ | |
48 | |
49 /* | |
50 * when block_redo is TRUE redo buffer will not be changed | |
51 * used by edit() to repeat insertions and 'V' command for redoing | |
52 */ | |
53 static int block_redo = FALSE; | |
54 | |
1051 | 55 static int KeyNoremap = 0; /* remapping flags */ |
7 | 56 |
57 /* | |
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58 * Variables used by vgetorpeek() and flush_buffers(). |
7 | 59 * |
60 * typebuf.tb_buf[] contains all characters that are not consumed yet. | |
61 * typebuf.tb_buf[typebuf.tb_off] is the first valid character. | |
62 * typebuf.tb_buf[typebuf.tb_off + typebuf.tb_len - 1] is the last valid char. | |
63 * typebuf.tb_buf[typebuf.tb_off + typebuf.tb_len] must be NUL. | |
64 * The head of the buffer may contain the result of mappings, abbreviations | |
65 * and @a commands. The length of this part is typebuf.tb_maplen. | |
66 * typebuf.tb_silent is the part where <silent> applies. | |
67 * After the head are characters that come from the terminal. | |
68 * typebuf.tb_no_abbr_cnt is the number of characters in typebuf.tb_buf that | |
69 * should not be considered for abbreviations. | |
70 * Some parts of typebuf.tb_buf may not be mapped. These parts are remembered | |
71 * in typebuf.tb_noremap[], which is the same length as typebuf.tb_buf and | |
72 * contains RM_NONE for the characters that are not to be remapped. | |
73 * typebuf.tb_noremap[typebuf.tb_off] is the first valid flag. | |
74 * (typebuf has been put in globals.h, because check_termcode() needs it). | |
75 */ | |
76 #define RM_YES 0 /* tb_noremap: remap */ | |
77 #define RM_NONE 1 /* tb_noremap: don't remap */ | |
78 #define RM_SCRIPT 2 /* tb_noremap: remap local script mappings */ | |
10 | 79 #define RM_ABBR 4 /* tb_noremap: don't remap, do abbrev. */ |
7 | 80 |
81 /* typebuf.tb_buf has three parts: room in front (for result of mappings), the | |
82 * middle for typeahead and room for new characters (which needs to be 3 * | |
83 * MAXMAPLEN) for the Amiga). | |
84 */ | |
85 #define TYPELEN_INIT (5 * (MAXMAPLEN + 3)) | |
86 static char_u typebuf_init[TYPELEN_INIT]; /* initial typebuf.tb_buf */ | |
87 static char_u noremapbuf_init[TYPELEN_INIT]; /* initial typebuf.tb_noremap */ | |
88 | |
89 static int last_recorded_len = 0; /* number of last recorded chars */ | |
90 | |
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91 static int read_readbuf(buffheader_T *buf, int advance); |
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92 static void init_typebuf(void); |
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93 static void may_sync_undo(void); |
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94 static void free_typebuf(void); |
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95 static void closescript(void); |
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96 static void updatescript(int c); |
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97 static int vgetorpeek(int); |
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98 static int inchar(char_u *buf, int maxlen, long wait_time); |
7 | 99 |
100 /* | |
101 * Free and clear a buffer. | |
102 */ | |
103 void | |
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104 free_buff(buffheader_T *buf) |
7 | 105 { |
5649 | 106 buffblock_T *p, *np; |
7 | 107 |
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108 for (p = buf->bh_first.b_next; p != NULL; p = np) |
7 | 109 { |
110 np = p->b_next; | |
111 vim_free(p); | |
112 } | |
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113 buf->bh_first.b_next = NULL; |
7 | 114 } |
115 | |
116 /* | |
117 * Return the contents of a buffer as a single string. | |
118 * K_SPECIAL and CSI in the returned string are escaped. | |
119 */ | |
120 static char_u * | |
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121 get_buffcont( |
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122 buffheader_T *buffer, |
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123 int dozero) /* count == zero is not an error */ |
7 | 124 { |
125 long_u count = 0; | |
126 char_u *p = NULL; | |
127 char_u *p2; | |
128 char_u *str; | |
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129 buffblock_T *bp; |
7 | 130 |
131 /* compute the total length of the string */ | |
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132 for (bp = buffer->bh_first.b_next; bp != NULL; bp = bp->b_next) |
7 | 133 count += (long_u)STRLEN(bp->b_str); |
134 | |
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135 if ((count || dozero) && (p = alloc(count + 1)) != NULL) |
7 | 136 { |
137 p2 = p; | |
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138 for (bp = buffer->bh_first.b_next; bp != NULL; bp = bp->b_next) |
7 | 139 for (str = bp->b_str; *str; ) |
140 *p2++ = *str++; | |
141 *p2 = NUL; | |
142 } | |
143 return (p); | |
144 } | |
145 | |
146 /* | |
147 * Return the contents of the record buffer as a single string | |
148 * and clear the record buffer. | |
149 * K_SPECIAL and CSI in the returned string are escaped. | |
150 */ | |
151 char_u * | |
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152 get_recorded(void) |
7 | 153 { |
154 char_u *p; | |
155 size_t len; | |
156 | |
157 p = get_buffcont(&recordbuff, TRUE); | |
158 free_buff(&recordbuff); | |
159 | |
160 /* | |
161 * Remove the characters that were added the last time, these must be the | |
162 * (possibly mapped) characters that stopped the recording. | |
163 */ | |
164 len = STRLEN(p); | |
165 if ((int)len >= last_recorded_len) | |
166 { | |
167 len -= last_recorded_len; | |
168 p[len] = NUL; | |
169 } | |
170 | |
171 /* | |
172 * When stopping recording from Insert mode with CTRL-O q, also remove the | |
173 * CTRL-O. | |
174 */ | |
175 if (len > 0 && restart_edit != 0 && p[len - 1] == Ctrl_O) | |
176 p[len - 1] = NUL; | |
177 | |
178 return (p); | |
179 } | |
180 | |
181 /* | |
182 * Return the contents of the redo buffer as a single string. | |
183 * K_SPECIAL and CSI in the returned string are escaped. | |
184 */ | |
185 char_u * | |
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186 get_inserted(void) |
7 | 187 { |
1618 | 188 return get_buffcont(&redobuff, FALSE); |
7 | 189 } |
190 | |
191 /* | |
1130 | 192 * Add string "s" after the current block of buffer "buf". |
7 | 193 * K_SPECIAL and CSI should have been escaped already. |
194 */ | |
195 static void | |
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196 add_buff( |
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197 buffheader_T *buf, |
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198 char_u *s, |
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199 long slen) /* length of "s" or -1 */ |
7 | 200 { |
5649 | 201 buffblock_T *p; |
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202 long_u len; |
7 | 203 |
204 if (slen < 0) | |
205 slen = (long)STRLEN(s); | |
206 if (slen == 0) /* don't add empty strings */ | |
207 return; | |
208 | |
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209 if (buf->bh_first.b_next == NULL) /* first add to list */ |
7 | 210 { |
211 buf->bh_space = 0; | |
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212 buf->bh_curr = &(buf->bh_first); |
7 | 213 } |
214 else if (buf->bh_curr == NULL) /* buffer has already been read */ | |
215 { | |
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216 iemsg(_("E222: Add to read buffer")); |
7 | 217 return; |
218 } | |
219 else if (buf->bh_index != 0) | |
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220 mch_memmove(buf->bh_first.b_next->b_str, |
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221 buf->bh_first.b_next->b_str + buf->bh_index, |
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222 STRLEN(buf->bh_first.b_next->b_str + buf->bh_index) + 1); |
7 | 223 buf->bh_index = 0; |
224 | |
225 if (buf->bh_space >= (int)slen) | |
226 { | |
227 len = (long_u)STRLEN(buf->bh_curr->b_str); | |
416 | 228 vim_strncpy(buf->bh_curr->b_str + len, s, (size_t)slen); |
7 | 229 buf->bh_space -= slen; |
230 } | |
231 else | |
232 { | |
233 if (slen < MINIMAL_SIZE) | |
234 len = MINIMAL_SIZE; | |
235 else | |
236 len = slen; | |
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237 p = alloc(offsetof(buffblock_T, b_str) + len + 1); |
7 | 238 if (p == NULL) |
239 return; /* no space, just forget it */ | |
835 | 240 buf->bh_space = (int)(len - slen); |
416 | 241 vim_strncpy(p->b_str, s, (size_t)slen); |
7 | 242 |
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243 p->b_next = buf->bh_curr->b_next; |
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244 buf->bh_curr->b_next = p; |
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245 buf->bh_curr = p; |
7 | 246 } |
247 return; | |
248 } | |
249 | |
250 /* | |
251 * Add number "n" to buffer "buf". | |
252 */ | |
253 static void | |
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254 add_num_buff(buffheader_T *buf, long n) |
7 | 255 { |
256 char_u number[32]; | |
257 | |
258 sprintf((char *)number, "%ld", n); | |
259 add_buff(buf, number, -1L); | |
260 } | |
261 | |
262 /* | |
263 * Add character 'c' to buffer "buf". | |
264 * Translates special keys, NUL, CSI, K_SPECIAL and multibyte characters. | |
265 */ | |
266 static void | |
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267 add_char_buff(buffheader_T *buf, int c) |
7 | 268 { |
269 char_u bytes[MB_MAXBYTES + 1]; | |
270 int len; | |
271 int i; | |
272 char_u temp[4]; | |
273 | |
274 if (IS_SPECIAL(c)) | |
275 len = 1; | |
276 else | |
277 len = (*mb_char2bytes)(c, bytes); | |
278 for (i = 0; i < len; ++i) | |
279 { | |
280 if (!IS_SPECIAL(c)) | |
281 c = bytes[i]; | |
282 | |
283 if (IS_SPECIAL(c) || c == K_SPECIAL || c == NUL) | |
284 { | |
285 /* translate special key code into three byte sequence */ | |
286 temp[0] = K_SPECIAL; | |
287 temp[1] = K_SECOND(c); | |
288 temp[2] = K_THIRD(c); | |
289 temp[3] = NUL; | |
290 } | |
291 #ifdef FEAT_GUI | |
292 else if (c == CSI) | |
293 { | |
294 /* Translate a CSI to a CSI - KS_EXTRA - KE_CSI sequence */ | |
295 temp[0] = CSI; | |
296 temp[1] = KS_EXTRA; | |
297 temp[2] = (int)KE_CSI; | |
298 temp[3] = NUL; | |
299 } | |
300 #endif | |
301 else | |
302 { | |
303 temp[0] = c; | |
304 temp[1] = NUL; | |
305 } | |
306 add_buff(buf, temp, -1L); | |
307 } | |
308 } | |
309 | |
5649 | 310 /* First read ahead buffer. Used for translated commands. */ |
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311 static buffheader_T readbuf1 = {{NULL, {NUL}}, NULL, 0, 0}; |
5649 | 312 |
313 /* Second read ahead buffer. Used for redo. */ | |
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314 static buffheader_T readbuf2 = {{NULL, {NUL}}, NULL, 0, 0}; |
5649 | 315 |
7 | 316 /* |
5649 | 317 * Get one byte from the read buffers. Use readbuf1 one first, use readbuf2 |
318 * if that one is empty. | |
7 | 319 * If advance == TRUE go to the next char. |
320 * No translation is done K_SPECIAL and CSI are escaped. | |
321 */ | |
322 static int | |
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323 read_readbuffers(int advance) |
7 | 324 { |
5649 | 325 int c; |
326 | |
327 c = read_readbuf(&readbuf1, advance); | |
328 if (c == NUL) | |
329 c = read_readbuf(&readbuf2, advance); | |
330 return c; | |
331 } | |
332 | |
333 static int | |
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334 read_readbuf(buffheader_T *buf, int advance) |
5649 | 335 { |
336 char_u c; | |
337 buffblock_T *curr; | |
338 | |
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339 if (buf->bh_first.b_next == NULL) /* buffer is empty */ |
7 | 340 return NUL; |
341 | |
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342 curr = buf->bh_first.b_next; |
5649 | 343 c = curr->b_str[buf->bh_index]; |
7 | 344 |
345 if (advance) | |
346 { | |
5649 | 347 if (curr->b_str[++buf->bh_index] == NUL) |
7 | 348 { |
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349 buf->bh_first.b_next = curr->b_next; |
7 | 350 vim_free(curr); |
5649 | 351 buf->bh_index = 0; |
7 | 352 } |
353 } | |
354 return c; | |
355 } | |
356 | |
357 /* | |
5670 | 358 * Prepare the read buffers for reading (if they contain something). |
7 | 359 */ |
360 static void | |
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361 start_stuff(void) |
7 | 362 { |
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363 if (readbuf1.bh_first.b_next != NULL) |
7 | 364 { |
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365 readbuf1.bh_curr = &(readbuf1.bh_first); |
5649 | 366 readbuf1.bh_space = 0; |
367 } | |
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368 if (readbuf2.bh_first.b_next != NULL) |
5649 | 369 { |
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370 readbuf2.bh_curr = &(readbuf2.bh_first); |
5649 | 371 readbuf2.bh_space = 0; |
7 | 372 } |
373 } | |
374 | |
375 /* | |
376 * Return TRUE if the stuff buffer is empty. | |
377 */ | |
378 int | |
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379 stuff_empty(void) |
7 | 380 { |
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381 return (readbuf1.bh_first.b_next == NULL |
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382 && readbuf2.bh_first.b_next == NULL); |
5649 | 383 } |
384 | |
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385 #if defined(FEAT_EVAL) || defined(PROTO) |
5649 | 386 /* |
387 * Return TRUE if readbuf1 is empty. There may still be redo characters in | |
388 * redbuf2. | |
389 */ | |
390 int | |
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391 readbuf1_empty(void) |
5649 | 392 { |
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393 return (readbuf1.bh_first.b_next == NULL); |
7 | 394 } |
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395 #endif |
7 | 396 |
397 /* | |
398 * Set a typeahead character that won't be flushed. | |
399 */ | |
400 void | |
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401 typeahead_noflush(int c) |
7 | 402 { |
403 typeahead_char = c; | |
404 } | |
405 | |
406 /* | |
407 * Remove the contents of the stuff buffer and the mapped characters in the | |
3263 | 408 * typeahead buffer (used in case of an error). If "flush_typeahead" is true, |
7 | 409 * flush all typeahead characters (used when interrupted by a CTRL-C). |
410 */ | |
411 void | |
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412 flush_buffers(flush_buffers_T flush_typeahead) |
7 | 413 { |
414 init_typebuf(); | |
415 | |
416 start_stuff(); | |
5649 | 417 while (read_readbuffers(TRUE) != NUL) |
7 | 418 ; |
419 | |
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420 if (flush_typeahead == FLUSH_MINIMAL) |
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421 { |
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422 // remove mapped characters at the start only |
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423 typebuf.tb_off += typebuf.tb_maplen; |
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424 typebuf.tb_len -= typebuf.tb_maplen; |
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425 } |
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426 else |
7 | 427 { |
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428 // remove typeahead |
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429 if (flush_typeahead == FLUSH_INPUT) |
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430 // We have to get all characters, because we may delete the first |
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431 // part of an escape sequence. In an xterm we get one char at a |
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432 // time and we have to get them all. |
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433 while (inchar(typebuf.tb_buf, typebuf.tb_buflen - 1, 10L) != 0) |
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434 ; |
7 | 435 typebuf.tb_off = MAXMAPLEN; |
436 typebuf.tb_len = 0; | |
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437 #if defined(FEAT_CLIENTSERVER) || defined(FEAT_EVAL) |
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438 /* Reset the flag that text received from a client or from feedkeys() |
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439 * was inserted in the typeahead buffer. */ |
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440 typebuf_was_filled = FALSE; |
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441 #endif |
7 | 442 } |
443 typebuf.tb_maplen = 0; | |
444 typebuf.tb_silent = 0; | |
445 cmd_silent = FALSE; | |
446 typebuf.tb_no_abbr_cnt = 0; | |
447 } | |
448 | |
449 /* | |
450 * The previous contents of the redo buffer is kept in old_redobuffer. | |
451 * This is used for the CTRL-O <.> command in insert mode. | |
452 */ | |
453 void | |
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454 ResetRedobuff(void) |
7 | 455 { |
456 if (!block_redo) | |
457 { | |
458 free_buff(&old_redobuff); | |
459 old_redobuff = redobuff; | |
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460 redobuff.bh_first.b_next = NULL; |
7 | 461 } |
462 } | |
463 | |
3324 | 464 /* |
465 * Discard the contents of the redo buffer and restore the previous redo | |
466 * buffer. | |
467 */ | |
468 void | |
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469 CancelRedo(void) |
3324 | 470 { |
471 if (!block_redo) | |
472 { | |
473 free_buff(&redobuff); | |
474 redobuff = old_redobuff; | |
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475 old_redobuff.bh_first.b_next = NULL; |
3324 | 476 start_stuff(); |
5649 | 477 while (read_readbuffers(TRUE) != NUL) |
3324 | 478 ; |
479 } | |
480 } | |
481 | |
7 | 482 /* |
483 * Save redobuff and old_redobuff to save_redobuff and save_old_redobuff. | |
484 * Used before executing autocommands and user functions. | |
485 */ | |
486 void | |
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487 saveRedobuff(save_redo_T *save_redo) |
7 | 488 { |
489 char_u *s; | |
490 | |
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491 save_redo->sr_redobuff = redobuff; |
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492 redobuff.bh_first.b_next = NULL; |
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493 save_redo->sr_old_redobuff = old_redobuff; |
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494 old_redobuff.bh_first.b_next = NULL; |
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495 |
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496 /* Make a copy, so that ":normal ." in a function works. */ |
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497 s = get_buffcont(&save_redo->sr_redobuff, FALSE); |
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498 if (s != NULL) |
7 | 499 { |
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500 add_buff(&redobuff, s, -1L); |
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501 vim_free(s); |
7 | 502 } |
503 } | |
504 | |
505 /* | |
506 * Restore redobuff and old_redobuff from save_redobuff and save_old_redobuff. | |
507 * Used after executing autocommands and user functions. | |
508 */ | |
509 void | |
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510 restoreRedobuff(save_redo_T *save_redo) |
7 | 511 { |
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512 free_buff(&redobuff); |
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513 redobuff = save_redo->sr_redobuff; |
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514 free_buff(&old_redobuff); |
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515 old_redobuff = save_redo->sr_old_redobuff; |
7 | 516 } |
517 | |
518 /* | |
519 * Append "s" to the redo buffer. | |
520 * K_SPECIAL and CSI should already have been escaped. | |
521 */ | |
522 void | |
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523 AppendToRedobuff(char_u *s) |
7 | 524 { |
525 if (!block_redo) | |
526 add_buff(&redobuff, s, -1L); | |
527 } | |
528 | |
529 /* | |
530 * Append to Redo buffer literally, escaping special characters with CTRL-V. | |
531 * K_SPECIAL and CSI are escaped as well. | |
532 */ | |
533 void | |
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534 AppendToRedobuffLit( |
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535 char_u *str, |
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536 int len) /* length of "str" or -1 for up to the NUL */ |
7 | 537 { |
620 | 538 char_u *s = str; |
7 | 539 int c; |
540 char_u *start; | |
541 | |
542 if (block_redo) | |
543 return; | |
544 | |
620 | 545 while (len < 0 ? *s != NUL : s - str < len) |
7 | 546 { |
547 /* Put a string of normal characters in the redo buffer (that's | |
548 * faster). */ | |
549 start = s; | |
550 while (*s >= ' ' | |
551 #ifndef EBCDIC | |
552 && *s < DEL /* EBCDIC: all chars above space are normal */ | |
553 #endif | |
620 | 554 && (len < 0 || s - str < len)) |
7 | 555 ++s; |
556 | |
557 /* Don't put '0' or '^' as last character, just in case a CTRL-D is | |
558 * typed next. */ | |
559 if (*s == NUL && (s[-1] == '0' || s[-1] == '^')) | |
560 --s; | |
561 if (s > start) | |
562 add_buff(&redobuff, start, (long)(s - start)); | |
563 | |
620 | 564 if (*s == NUL || (len >= 0 && s - str >= len)) |
565 break; | |
566 | |
567 /* Handle a special or multibyte character. */ | |
568 if (has_mbyte) | |
569 /* Handle composing chars separately. */ | |
570 c = mb_cptr2char_adv(&s); | |
571 else | |
572 c = *s++; | |
573 if (c < ' ' || c == DEL || (*s == NUL && (c == '0' || c == '^'))) | |
574 add_char_buff(&redobuff, Ctrl_V); | |
575 | |
576 /* CTRL-V '0' must be inserted as CTRL-V 048 (EBCDIC: xf0) */ | |
577 if (*s == NUL && c == '0') | |
7 | 578 #ifdef EBCDIC |
620 | 579 add_buff(&redobuff, (char_u *)"xf0", 3L); |
7 | 580 #else |
620 | 581 add_buff(&redobuff, (char_u *)"048", 3L); |
7 | 582 #endif |
620 | 583 else |
584 add_char_buff(&redobuff, c); | |
7 | 585 } |
586 } | |
587 | |
588 /* | |
589 * Append a character to the redo buffer. | |
590 * Translates special keys, NUL, CSI, K_SPECIAL and multibyte characters. | |
591 */ | |
592 void | |
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593 AppendCharToRedobuff(int c) |
7 | 594 { |
595 if (!block_redo) | |
596 add_char_buff(&redobuff, c); | |
597 } | |
598 | |
599 /* | |
600 * Append a number to the redo buffer. | |
601 */ | |
602 void | |
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603 AppendNumberToRedobuff(long n) |
7 | 604 { |
605 if (!block_redo) | |
606 add_num_buff(&redobuff, n); | |
607 } | |
608 | |
609 /* | |
610 * Append string "s" to the stuff buffer. | |
611 * CSI and K_SPECIAL must already have been escaped. | |
612 */ | |
613 void | |
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614 stuffReadbuff(char_u *s) |
7 | 615 { |
5649 | 616 add_buff(&readbuf1, s, -1L); |
7 | 617 } |
618 | |
6098 | 619 /* |
620 * Append string "s" to the redo stuff buffer. | |
621 * CSI and K_SPECIAL must already have been escaped. | |
622 */ | |
623 void | |
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624 stuffRedoReadbuff(char_u *s) |
6098 | 625 { |
626 add_buff(&readbuf2, s, -1L); | |
627 } | |
628 | |
7 | 629 void |
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630 stuffReadbuffLen(char_u *s, long len) |
7 | 631 { |
5649 | 632 add_buff(&readbuf1, s, len); |
7 | 633 } |
634 | |
635 #if defined(FEAT_EVAL) || defined(PROTO) | |
636 /* | |
637 * Stuff "s" into the stuff buffer, leaving special key codes unmodified and | |
638 * escaping other K_SPECIAL and CSI bytes. | |
2784 | 639 * Change CR, LF and ESC into a space. |
7 | 640 */ |
641 void | |
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642 stuffReadbuffSpec(char_u *s) |
7 | 643 { |
2784 | 644 int c; |
645 | |
7 | 646 while (*s != NUL) |
647 { | |
648 if (*s == K_SPECIAL && s[1] != NUL && s[2] != NUL) | |
649 { | |
650 /* Insert special key literally. */ | |
651 stuffReadbuffLen(s, 3L); | |
652 s += 3; | |
653 } | |
654 else | |
2784 | 655 { |
656 c = mb_ptr2char_adv(&s); | |
657 if (c == CAR || c == NL || c == ESC) | |
658 c = ' '; | |
659 stuffcharReadbuff(c); | |
660 } | |
7 | 661 } |
662 } | |
663 #endif | |
664 | |
665 /* | |
666 * Append a character to the stuff buffer. | |
667 * Translates special keys, NUL, CSI, K_SPECIAL and multibyte characters. | |
668 */ | |
669 void | |
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670 stuffcharReadbuff(int c) |
7 | 671 { |
5649 | 672 add_char_buff(&readbuf1, c); |
7 | 673 } |
674 | |
675 /* | |
676 * Append a number to the stuff buffer. | |
677 */ | |
678 void | |
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679 stuffnumReadbuff(long n) |
7 | 680 { |
5649 | 681 add_num_buff(&readbuf1, n); |
7 | 682 } |
683 | |
684 /* | |
685 * Read a character from the redo buffer. Translates K_SPECIAL, CSI and | |
686 * multibyte characters. | |
687 * The redo buffer is left as it is. | |
3324 | 688 * If init is TRUE, prepare for redo, return FAIL if nothing to redo, OK |
689 * otherwise. | |
690 * If old is TRUE, use old_redobuff instead of redobuff. | |
7 | 691 */ |
692 static int | |
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693 read_redo(int init, int old_redo) |
7 | 694 { |
5649 | 695 static buffblock_T *bp; |
696 static char_u *p; | |
697 int c; | |
698 int n; | |
699 char_u buf[MB_MAXBYTES + 1]; | |
700 int i; | |
7 | 701 |
702 if (init) | |
703 { | |
704 if (old_redo) | |
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705 bp = old_redobuff.bh_first.b_next; |
7 | 706 else |
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707 bp = redobuff.bh_first.b_next; |
7 | 708 if (bp == NULL) |
709 return FAIL; | |
710 p = bp->b_str; | |
711 return OK; | |
712 } | |
713 if ((c = *p) != NUL) | |
714 { | |
715 /* Reverse the conversion done by add_char_buff() */ | |
716 /* For a multi-byte character get all the bytes and return the | |
717 * converted character. */ | |
718 if (has_mbyte && (c != K_SPECIAL || p[1] == KS_SPECIAL)) | |
719 n = MB_BYTE2LEN_CHECK(c); | |
720 else | |
721 n = 1; | |
722 for (i = 0; ; ++i) | |
723 { | |
724 if (c == K_SPECIAL) /* special key or escaped K_SPECIAL */ | |
725 { | |
726 c = TO_SPECIAL(p[1], p[2]); | |
727 p += 2; | |
728 } | |
729 #ifdef FEAT_GUI | |
730 if (c == CSI) /* escaped CSI */ | |
731 p += 2; | |
732 #endif | |
733 if (*++p == NUL && bp->b_next != NULL) | |
734 { | |
735 bp = bp->b_next; | |
736 p = bp->b_str; | |
737 } | |
738 buf[i] = c; | |
739 if (i == n - 1) /* last byte of a character */ | |
740 { | |
741 if (n != 1) | |
742 c = (*mb_ptr2char)(buf); | |
743 break; | |
744 } | |
745 c = *p; | |
746 if (c == NUL) /* cannot happen? */ | |
747 break; | |
748 } | |
749 } | |
750 | |
751 return c; | |
752 } | |
753 | |
754 /* | |
755 * Copy the rest of the redo buffer into the stuff buffer (in a slow way). | |
756 * If old_redo is TRUE, use old_redobuff instead of redobuff. | |
757 * The escaped K_SPECIAL and CSI are copied without translation. | |
758 */ | |
759 static void | |
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760 copy_redo(int old_redo) |
7 | 761 { |
762 int c; | |
763 | |
764 while ((c = read_redo(FALSE, old_redo)) != NUL) | |
5649 | 765 add_char_buff(&readbuf2, c); |
7 | 766 } |
767 | |
768 /* | |
5649 | 769 * Stuff the redo buffer into readbuf2. |
7 | 770 * Insert the redo count into the command. |
771 * If "old_redo" is TRUE, the last but one command is repeated | |
772 * instead of the last command (inserting text). This is used for | |
773 * CTRL-O <.> in insert mode | |
774 * | |
775 * return FAIL for failure, OK otherwise | |
776 */ | |
777 int | |
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778 start_redo(long count, int old_redo) |
7 | 779 { |
780 int c; | |
781 | |
782 /* init the pointers; return if nothing to redo */ | |
783 if (read_redo(TRUE, old_redo) == FAIL) | |
784 return FAIL; | |
785 | |
786 c = read_redo(FALSE, old_redo); | |
787 | |
788 /* copy the buffer name, if present */ | |
789 if (c == '"') | |
790 { | |
5649 | 791 add_buff(&readbuf2, (char_u *)"\"", 1L); |
7 | 792 c = read_redo(FALSE, old_redo); |
793 | |
794 /* if a numbered buffer is used, increment the number */ | |
795 if (c >= '1' && c < '9') | |
796 ++c; | |
5649 | 797 add_char_buff(&readbuf2, c); |
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798 |
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799 /* the expression register should be re-evaluated */ |
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800 if (c == '=') |
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801 { |
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802 add_char_buff(&readbuf2, CAR); |
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803 cmd_silent = TRUE; |
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804 } |
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805 |
7 | 806 c = read_redo(FALSE, old_redo); |
807 } | |
808 | |
809 if (c == 'v') /* redo Visual */ | |
810 { | |
811 VIsual = curwin->w_cursor; | |
812 VIsual_active = TRUE; | |
813 VIsual_select = FALSE; | |
814 VIsual_reselect = TRUE; | |
815 redo_VIsual_busy = TRUE; | |
816 c = read_redo(FALSE, old_redo); | |
817 } | |
818 | |
819 /* try to enter the count (in place of a previous count) */ | |
820 if (count) | |
821 { | |
822 while (VIM_ISDIGIT(c)) /* skip "old" count */ | |
823 c = read_redo(FALSE, old_redo); | |
5649 | 824 add_num_buff(&readbuf2, count); |
7 | 825 } |
826 | |
827 /* copy from the redo buffer into the stuff buffer */ | |
5649 | 828 add_char_buff(&readbuf2, c); |
7 | 829 copy_redo(old_redo); |
830 return OK; | |
831 } | |
832 | |
833 /* | |
834 * Repeat the last insert (R, o, O, a, A, i or I command) by stuffing | |
5649 | 835 * the redo buffer into readbuf2. |
7 | 836 * return FAIL for failure, OK otherwise |
837 */ | |
838 int | |
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839 start_redo_ins(void) |
7 | 840 { |
841 int c; | |
842 | |
843 if (read_redo(TRUE, FALSE) == FAIL) | |
844 return FAIL; | |
845 start_stuff(); | |
846 | |
847 /* skip the count and the command character */ | |
848 while ((c = read_redo(FALSE, FALSE)) != NUL) | |
849 { | |
850 if (vim_strchr((char_u *)"AaIiRrOo", c) != NULL) | |
851 { | |
852 if (c == 'O' || c == 'o') | |
5649 | 853 add_buff(&readbuf2, NL_STR, -1L); |
7 | 854 break; |
855 } | |
856 } | |
857 | |
858 /* copy the typed text from the redo buffer into the stuff buffer */ | |
859 copy_redo(FALSE); | |
860 block_redo = TRUE; | |
861 return OK; | |
862 } | |
863 | |
864 void | |
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865 stop_redo_ins(void) |
7 | 866 { |
867 block_redo = FALSE; | |
868 } | |
869 | |
870 /* | |
871 * Initialize typebuf.tb_buf to point to typebuf_init. | |
872 * alloc() cannot be used here: In out-of-memory situations it would | |
873 * be impossible to type anything. | |
874 */ | |
875 static void | |
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876 init_typebuf(void) |
7 | 877 { |
878 if (typebuf.tb_buf == NULL) | |
879 { | |
880 typebuf.tb_buf = typebuf_init; | |
881 typebuf.tb_noremap = noremapbuf_init; | |
882 typebuf.tb_buflen = TYPELEN_INIT; | |
883 typebuf.tb_len = 0; | |
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884 typebuf.tb_off = MAXMAPLEN + 4; |
7 | 885 typebuf.tb_change_cnt = 1; |
886 } | |
887 } | |
888 | |
889 /* | |
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890 * Returns TRUE when keys cannot be remapped. |
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891 */ |
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892 int |
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893 noremap_keys(void) |
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894 { |
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895 return KeyNoremap & (RM_NONE|RM_SCRIPT); |
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896 } |
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897 |
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898 /* |
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899 * Insert a string in position 'offset' in the typeahead buffer (for "@r" |
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900 * and ":normal" command, vgetorpeek() and check_termcode()). |
7 | 901 * |
902 * If noremap is REMAP_YES, new string can be mapped again. | |
903 * If noremap is REMAP_NONE, new string cannot be mapped again. | |
10 | 904 * If noremap is REMAP_SKIP, fist char of new string cannot be mapped again, |
905 * but abbreviations are allowed. | |
7 | 906 * If noremap is REMAP_SCRIPT, new string cannot be mapped again, except for |
907 * script-local mappings. | |
908 * If noremap is > 0, that many characters of the new string cannot be mapped. | |
909 * | |
910 * If nottyped is TRUE, the string does not return KeyTyped (don't use when | |
911 * offset is non-zero!). | |
912 * | |
913 * If silent is TRUE, cmd_silent is set when the characters are obtained. | |
914 * | |
915 * return FAIL for failure, OK otherwise | |
916 */ | |
917 int | |
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918 ins_typebuf( |
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919 char_u *str, |
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920 int noremap, |
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921 int offset, |
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922 int nottyped, |
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923 int silent) |
7 | 924 { |
925 char_u *s1, *s2; | |
926 int newlen; | |
927 int addlen; | |
928 int i; | |
929 int newoff; | |
930 int val; | |
931 int nrm; | |
932 | |
933 init_typebuf(); | |
934 if (++typebuf.tb_change_cnt == 0) | |
935 typebuf.tb_change_cnt = 1; | |
936 | |
937 addlen = (int)STRLEN(str); | |
1130 | 938 |
7 | 939 if (offset == 0 && addlen <= typebuf.tb_off) |
940 { | |
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941 /* |
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942 * Easy case: there is room in front of typebuf.tb_buf[typebuf.tb_off] |
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943 */ |
7 | 944 typebuf.tb_off -= addlen; |
945 mch_memmove(typebuf.tb_buf + typebuf.tb_off, str, (size_t)addlen); | |
946 } | |
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947 else if (typebuf.tb_len == 0 && typebuf.tb_buflen |
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948 >= addlen + 3 * (MAXMAPLEN + 4)) |
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949 { |
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950 /* |
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951 * Buffer is empty and string fits in the existing buffer. |
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952 * Leave some space before and after, if possible. |
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953 */ |
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954 typebuf.tb_off = (typebuf.tb_buflen - addlen - 3 * (MAXMAPLEN + 4)) / 2; |
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955 mch_memmove(typebuf.tb_buf + typebuf.tb_off, str, (size_t)addlen); |
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956 } |
7 | 957 else |
958 { | |
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959 /* |
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960 * Need to allocate a new buffer. |
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961 * In typebuf.tb_buf there must always be room for 3 * (MAXMAPLEN + 4) |
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962 * characters. We add some extra room to avoid having to allocate too |
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963 * often. |
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964 */ |
7 | 965 newoff = MAXMAPLEN + 4; |
966 newlen = typebuf.tb_len + addlen + newoff + 4 * (MAXMAPLEN + 4); | |
967 if (newlen < 0) /* string is getting too long */ | |
968 { | |
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969 emsg(_(e_toocompl)); /* also calls flush_buffers */ |
7 | 970 setcursor(); |
971 return FAIL; | |
972 } | |
973 s1 = alloc(newlen); | |
974 if (s1 == NULL) /* out of memory */ | |
975 return FAIL; | |
976 s2 = alloc(newlen); | |
977 if (s2 == NULL) /* out of memory */ | |
978 { | |
979 vim_free(s1); | |
980 return FAIL; | |
981 } | |
982 typebuf.tb_buflen = newlen; | |
983 | |
984 /* copy the old chars, before the insertion point */ | |
985 mch_memmove(s1 + newoff, typebuf.tb_buf + typebuf.tb_off, | |
986 (size_t)offset); | |
987 /* copy the new chars */ | |
988 mch_memmove(s1 + newoff + offset, str, (size_t)addlen); | |
989 /* copy the old chars, after the insertion point, including the NUL at | |
990 * the end */ | |
991 mch_memmove(s1 + newoff + offset + addlen, | |
992 typebuf.tb_buf + typebuf.tb_off + offset, | |
993 (size_t)(typebuf.tb_len - offset + 1)); | |
994 if (typebuf.tb_buf != typebuf_init) | |
995 vim_free(typebuf.tb_buf); | |
996 typebuf.tb_buf = s1; | |
997 | |
998 mch_memmove(s2 + newoff, typebuf.tb_noremap + typebuf.tb_off, | |
999 (size_t)offset); | |
1000 mch_memmove(s2 + newoff + offset + addlen, | |
1001 typebuf.tb_noremap + typebuf.tb_off + offset, | |
1002 (size_t)(typebuf.tb_len - offset)); | |
1003 if (typebuf.tb_noremap != noremapbuf_init) | |
1004 vim_free(typebuf.tb_noremap); | |
1005 typebuf.tb_noremap = s2; | |
1006 | |
1007 typebuf.tb_off = newoff; | |
1008 } | |
1009 typebuf.tb_len += addlen; | |
1010 | |
1011 /* If noremap == REMAP_SCRIPT: do remap script-local mappings. */ | |
1012 if (noremap == REMAP_SCRIPT) | |
1013 val = RM_SCRIPT; | |
10 | 1014 else if (noremap == REMAP_SKIP) |
1015 val = RM_ABBR; | |
7 | 1016 else |
1017 val = RM_NONE; | |
1018 | |
1019 /* | |
1020 * Adjust typebuf.tb_noremap[] for the new characters: | |
1021 * If noremap == REMAP_NONE or REMAP_SCRIPT: new characters are | |
1022 * (sometimes) not remappable | |
1023 * If noremap == REMAP_YES: all the new characters are mappable | |
1024 * If noremap > 0: "noremap" characters are not remappable, the rest | |
1025 * mappable | |
1026 */ | |
10 | 1027 if (noremap == REMAP_SKIP) |
1028 nrm = 1; | |
1029 else if (noremap < 0) | |
7 | 1030 nrm = addlen; |
1031 else | |
1032 nrm = noremap; | |
1033 for (i = 0; i < addlen; ++i) | |
1034 typebuf.tb_noremap[typebuf.tb_off + i + offset] = | |
1035 (--nrm >= 0) ? val : RM_YES; | |
1036 | |
1037 /* tb_maplen and tb_silent only remember the length of mapped and/or | |
1038 * silent mappings at the start of the buffer, assuming that a mapped | |
1039 * sequence doesn't result in typed characters. */ | |
1040 if (nottyped || typebuf.tb_maplen > offset) | |
1041 typebuf.tb_maplen += addlen; | |
1042 if (silent || typebuf.tb_silent > offset) | |
1043 { | |
1044 typebuf.tb_silent += addlen; | |
1045 cmd_silent = TRUE; | |
1046 } | |
1047 if (typebuf.tb_no_abbr_cnt && offset == 0) /* and not used for abbrev.s */ | |
1048 typebuf.tb_no_abbr_cnt += addlen; | |
1049 | |
1050 return OK; | |
1051 } | |
1052 | |
1053 /* | |
852 | 1054 * Put character "c" back into the typeahead buffer. |
1055 * Can be used for a character obtained by vgetc() that needs to be put back. | |
1051 | 1056 * Uses cmd_silent, KeyTyped and KeyNoremap to restore the flags belonging to |
1057 * the char. | |
852 | 1058 */ |
1059 void | |
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1060 ins_char_typebuf(int c) |
852 | 1061 { |
3549 | 1062 char_u buf[MB_MAXBYTES + 1]; |
852 | 1063 if (IS_SPECIAL(c)) |
1064 { | |
1065 buf[0] = K_SPECIAL; | |
1066 buf[1] = K_SECOND(c); | |
1067 buf[2] = K_THIRD(c); | |
1068 buf[3] = NUL; | |
1069 } | |
1070 else | |
1071 buf[(*mb_char2bytes)(c, buf)] = NUL; | |
1051 | 1072 (void)ins_typebuf(buf, KeyNoremap, 0, !KeyTyped, cmd_silent); |
852 | 1073 } |
1074 | |
1075 /* | |
7 | 1076 * Return TRUE if the typeahead buffer was changed (while waiting for a |
841 | 1077 * character to arrive). Happens when a message was received from a client or |
842 | 1078 * from feedkeys(). |
7 | 1079 * But check in a more generic way to avoid trouble: When "typebuf.tb_buf" |
1080 * changed it was reallocated and the old pointer can no longer be used. | |
1081 * Or "typebuf.tb_off" may have been changed and we would overwrite characters | |
1082 * that was just added. | |
1083 */ | |
1084 int | |
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1085 typebuf_changed( |
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1086 int tb_change_cnt) /* old value of typebuf.tb_change_cnt */ |
7 | 1087 { |
1088 return (tb_change_cnt != 0 && (typebuf.tb_change_cnt != tb_change_cnt | |
841 | 1089 #if defined(FEAT_CLIENTSERVER) || defined(FEAT_EVAL) |
1090 || typebuf_was_filled | |
7 | 1091 #endif |
1092 )); | |
1093 } | |
1094 | |
1095 /* | |
1096 * Return TRUE if there are no characters in the typeahead buffer that have | |
1097 * not been typed (result from a mapping or come from ":normal"). | |
1098 */ | |
1099 int | |
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1100 typebuf_typed(void) |
7 | 1101 { |
1102 return typebuf.tb_maplen == 0; | |
1103 } | |
1104 | |
1105 /* | |
1106 * Return the number of characters that are mapped (or not typed). | |
1107 */ | |
1108 int | |
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1109 typebuf_maplen(void) |
7 | 1110 { |
1111 return typebuf.tb_maplen; | |
1112 } | |
1113 | |
1114 /* | |
1115 * remove "len" characters from typebuf.tb_buf[typebuf.tb_off + offset] | |
1116 */ | |
1117 void | |
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1118 del_typebuf(int len, int offset) |
7 | 1119 { |
1120 int i; | |
1121 | |
1122 if (len == 0) | |
1123 return; /* nothing to do */ | |
1124 | |
1125 typebuf.tb_len -= len; | |
1126 | |
1127 /* | |
1128 * Easy case: Just increase typebuf.tb_off. | |
1129 */ | |
1130 if (offset == 0 && typebuf.tb_buflen - (typebuf.tb_off + len) | |
1131 >= 3 * MAXMAPLEN + 3) | |
1132 typebuf.tb_off += len; | |
1133 /* | |
1134 * Have to move the characters in typebuf.tb_buf[] and typebuf.tb_noremap[] | |
1135 */ | |
1136 else | |
1137 { | |
1138 i = typebuf.tb_off + offset; | |
1139 /* | |
1140 * Leave some extra room at the end to avoid reallocation. | |
1141 */ | |
1142 if (typebuf.tb_off > MAXMAPLEN) | |
1143 { | |
1144 mch_memmove(typebuf.tb_buf + MAXMAPLEN, | |
1145 typebuf.tb_buf + typebuf.tb_off, (size_t)offset); | |
1146 mch_memmove(typebuf.tb_noremap + MAXMAPLEN, | |
1147 typebuf.tb_noremap + typebuf.tb_off, (size_t)offset); | |
1148 typebuf.tb_off = MAXMAPLEN; | |
1149 } | |
1150 /* adjust typebuf.tb_buf (include the NUL at the end) */ | |
1151 mch_memmove(typebuf.tb_buf + typebuf.tb_off + offset, | |
1152 typebuf.tb_buf + i + len, | |
1153 (size_t)(typebuf.tb_len - offset + 1)); | |
1154 /* adjust typebuf.tb_noremap[] */ | |
1155 mch_memmove(typebuf.tb_noremap + typebuf.tb_off + offset, | |
1156 typebuf.tb_noremap + i + len, | |
1157 (size_t)(typebuf.tb_len - offset)); | |
1158 } | |
1159 | |
1160 if (typebuf.tb_maplen > offset) /* adjust tb_maplen */ | |
1161 { | |
1162 if (typebuf.tb_maplen < offset + len) | |
1163 typebuf.tb_maplen = offset; | |
1164 else | |
1165 typebuf.tb_maplen -= len; | |
1166 } | |
1167 if (typebuf.tb_silent > offset) /* adjust tb_silent */ | |
1168 { | |
1169 if (typebuf.tb_silent < offset + len) | |
1170 typebuf.tb_silent = offset; | |
1171 else | |
1172 typebuf.tb_silent -= len; | |
1173 } | |
1174 if (typebuf.tb_no_abbr_cnt > offset) /* adjust tb_no_abbr_cnt */ | |
1175 { | |
1176 if (typebuf.tb_no_abbr_cnt < offset + len) | |
1177 typebuf.tb_no_abbr_cnt = offset; | |
1178 else | |
1179 typebuf.tb_no_abbr_cnt -= len; | |
1180 } | |
1181 | |
841 | 1182 #if defined(FEAT_CLIENTSERVER) || defined(FEAT_EVAL) |
842 | 1183 /* Reset the flag that text received from a client or from feedkeys() |
841 | 1184 * was inserted in the typeahead buffer. */ |
1185 typebuf_was_filled = FALSE; | |
7 | 1186 #endif |
1187 if (++typebuf.tb_change_cnt == 0) | |
1188 typebuf.tb_change_cnt = 1; | |
1189 } | |
1190 | |
1191 /* | |
1192 * Write typed characters to script file. | |
1193 * If recording is on put the character in the recordbuffer. | |
1194 */ | |
1195 static void | |
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1196 gotchars(char_u *chars, int len) |
7 | 1197 { |
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1198 char_u *s = chars; |
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1199 int i; |
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1200 static char_u buf[4]; |
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1201 static int buflen = 0; |
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1202 int todo = len; |
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1203 |
1130 | 1204 while (todo--) |
7 | 1205 { |
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1206 buf[buflen++] = *s++; |
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1207 |
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1208 // When receiving a special key sequence, store it until we have all |
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1209 // the bytes and we can decide what to do with it. |
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1210 if (buflen == 1 && buf[0] == K_SPECIAL) |
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1211 continue; |
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1212 if (buflen == 2) |
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1213 continue; |
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1214 if (buflen == 3 && buf[1] == KS_EXTRA |
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1215 && (buf[2] == KE_FOCUSGAINED || buf[2] == KE_FOCUSLOST)) |
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1216 { |
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1217 // Drop K_FOCUSGAINED and K_FOCUSLOST, they are not useful in a |
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1218 // recording. |
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1219 buflen = 0; |
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1220 continue; |
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1221 } |
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1222 |
7 | 1223 /* Handle one byte at a time; no translation to be done. */ |
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1224 for (i = 0; i < buflen; ++i) |
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1225 updatescript(buf[i]); |
7 | 1226 |
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1227 if (reg_recording != 0) |
7 | 1228 { |
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1229 buf[buflen] = NUL; |
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1230 add_buff(&recordbuff, buf, (long)buflen); |
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1231 /* remember how many chars were last recorded */ |
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1232 last_recorded_len += buflen; |
7 | 1233 } |
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1234 buflen = 0; |
7 | 1235 } |
1236 may_sync_undo(); | |
1237 | |
1238 #ifdef FEAT_EVAL | |
1239 /* output "debug mode" message next time in debug mode */ | |
1240 debug_did_msg = FALSE; | |
1241 #endif | |
1242 | |
1243 /* Since characters have been typed, consider the following to be in | |
1244 * another mapping. Search string will be kept in history. */ | |
1245 ++maptick; | |
1246 } | |
1247 | |
1248 /* | |
1249 * Sync undo. Called when typed characters are obtained from the typeahead | |
1250 * buffer, or when a menu is used. | |
1251 * Do not sync: | |
1252 * - In Insert mode, unless cursor key has been used. | |
1253 * - While reading a script file. | |
1254 * - When no_u_sync is non-zero. | |
1255 */ | |
1256 static void | |
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1257 may_sync_undo(void) |
7 | 1258 { |
1259 if ((!(State & (INSERT + CMDLINE)) || arrow_used) | |
825 | 1260 && scriptin[curscript] == NULL) |
1261 u_sync(FALSE); | |
7 | 1262 } |
1263 | |
1264 /* | |
1265 * Make "typebuf" empty and allocate new buffers. | |
1266 * Returns FAIL when out of memory. | |
1267 */ | |
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1268 static int |
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1269 alloc_typebuf(void) |
7 | 1270 { |
1271 typebuf.tb_buf = alloc(TYPELEN_INIT); | |
1272 typebuf.tb_noremap = alloc(TYPELEN_INIT); | |
1273 if (typebuf.tb_buf == NULL || typebuf.tb_noremap == NULL) | |
1274 { | |
1275 free_typebuf(); | |
1276 return FAIL; | |
1277 } | |
1278 typebuf.tb_buflen = TYPELEN_INIT; | |
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1279 typebuf.tb_off = MAXMAPLEN + 4; /* can insert without realloc */ |
7 | 1280 typebuf.tb_len = 0; |
1281 typebuf.tb_maplen = 0; | |
1282 typebuf.tb_silent = 0; | |
1283 typebuf.tb_no_abbr_cnt = 0; | |
1284 if (++typebuf.tb_change_cnt == 0) | |
1285 typebuf.tb_change_cnt = 1; | |
1286 return OK; | |
1287 } | |
1288 | |
1289 /* | |
1290 * Free the buffers of "typebuf". | |
1291 */ | |
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1292 static void |
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1293 free_typebuf(void) |
7 | 1294 { |
1462 | 1295 if (typebuf.tb_buf == typebuf_init) |
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1296 internal_error("Free typebuf 1"); |
1462 | 1297 else |
1298 vim_free(typebuf.tb_buf); | |
1992 | 1299 if (typebuf.tb_noremap == noremapbuf_init) |
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1300 internal_error("Free typebuf 2"); |
1462 | 1301 else |
1302 vim_free(typebuf.tb_noremap); | |
7 | 1303 } |
1304 | |
1305 /* | |
1306 * When doing ":so! file", the current typeahead needs to be saved, and | |
1307 * restored when "file" has been read completely. | |
1308 */ | |
1309 static typebuf_T saved_typebuf[NSCRIPT]; | |
1310 | |
1311 int | |
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1312 save_typebuf(void) |
7 | 1313 { |
1314 init_typebuf(); | |
1315 saved_typebuf[curscript] = typebuf; | |
1316 /* If out of memory: restore typebuf and close file. */ | |
1317 if (alloc_typebuf() == FAIL) | |
1318 { | |
1319 closescript(); | |
1320 return FAIL; | |
1321 } | |
1322 return OK; | |
1323 } | |
1324 | |
1928 | 1325 static int old_char = -1; /* character put back by vungetc() */ |
1326 static int old_mod_mask; /* mod_mask for ungotten character */ | |
4227 | 1327 #ifdef FEAT_MOUSE |
1328 static int old_mouse_row; /* mouse_row related to old_char */ | |
1329 static int old_mouse_col; /* mouse_col related to old_char */ | |
1330 #endif | |
1928 | 1331 |
7 | 1332 /* |
1333 * Save all three kinds of typeahead, so that the user must type at a prompt. | |
1334 */ | |
1335 void | |
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1336 save_typeahead(tasave_T *tp) |
7 | 1337 { |
1338 tp->save_typebuf = typebuf; | |
1339 tp->typebuf_valid = (alloc_typebuf() == OK); | |
1340 if (!tp->typebuf_valid) | |
1341 typebuf = tp->save_typebuf; | |
1342 | |
1928 | 1343 tp->old_char = old_char; |
1344 tp->old_mod_mask = old_mod_mask; | |
1345 old_char = -1; | |
1346 | |
5649 | 1347 tp->save_readbuf1 = readbuf1; |
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1348 readbuf1.bh_first.b_next = NULL; |
5649 | 1349 tp->save_readbuf2 = readbuf2; |
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1350 readbuf2.bh_first.b_next = NULL; |
7 | 1351 # ifdef USE_INPUT_BUF |
1352 tp->save_inputbuf = get_input_buf(); | |
1353 # endif | |
1354 } | |
1355 | |
1356 /* | |
1357 * Restore the typeahead to what it was before calling save_typeahead(). | |
1358 * The allocated memory is freed, can only be called once! | |
1359 */ | |
1360 void | |
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|
1361 restore_typeahead(tasave_T *tp) |
7 | 1362 { |
1363 if (tp->typebuf_valid) | |
1364 { | |
1365 free_typebuf(); | |
1366 typebuf = tp->save_typebuf; | |
1367 } | |
1368 | |
1928 | 1369 old_char = tp->old_char; |
1370 old_mod_mask = tp->old_mod_mask; | |
1371 | |
5649 | 1372 free_buff(&readbuf1); |
1373 readbuf1 = tp->save_readbuf1; | |
1374 free_buff(&readbuf2); | |
1375 readbuf2 = tp->save_readbuf2; | |
7 | 1376 # ifdef USE_INPUT_BUF |
1377 set_input_buf(tp->save_inputbuf); | |
1378 # endif | |
1379 } | |
1380 | |
1381 /* | |
1382 * Open a new script file for the ":source!" command. | |
1383 */ | |
1384 void | |
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1385 openscript( |
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1386 char_u *name, |
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1387 int directly) /* when TRUE execute directly */ |
7 | 1388 { |
1389 if (curscript + 1 == NSCRIPT) | |
1390 { | |
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|
1391 emsg(_(e_nesting)); |
7 | 1392 return; |
1393 } | |
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1394 |
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1395 // Disallow sourcing a file in the sandbox, the commands would be executed |
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1396 // later, possibly outside of the sandbox. |
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1397 if (check_secure()) |
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1398 return; |
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|
1399 |
1462 | 1400 #ifdef FEAT_EVAL |
1401 if (ignore_script) | |
1402 /* Not reading from script, also don't open one. Warning message? */ | |
1403 return; | |
1404 #endif | |
7 | 1405 |
1406 if (scriptin[curscript] != NULL) /* already reading script */ | |
1407 ++curscript; | |
1408 /* use NameBuff for expanded name */ | |
1409 expand_env(name, NameBuff, MAXPATHL); | |
1410 if ((scriptin[curscript] = mch_fopen((char *)NameBuff, READBIN)) == NULL) | |
1411 { | |
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1412 semsg(_(e_notopen), name); |
7 | 1413 if (curscript) |
1414 --curscript; | |
1415 return; | |
1416 } | |
1417 if (save_typebuf() == FAIL) | |
1418 return; | |
1419 | |
1420 /* | |
1421 * Execute the commands from the file right now when using ":source!" | |
1422 * after ":global" or ":argdo" or in a loop. Also when another command | |
1423 * follows. This means the display won't be updated. Don't do this | |
1424 * always, "make test" would fail. | |
1425 */ | |
1426 if (directly) | |
1427 { | |
1428 oparg_T oa; | |
1429 int oldcurscript; | |
1430 int save_State = State; | |
1431 int save_restart_edit = restart_edit; | |
1432 int save_insertmode = p_im; | |
1433 int save_finish_op = finish_op; | |
1434 int save_msg_scroll = msg_scroll; | |
1435 | |
1436 State = NORMAL; | |
1437 msg_scroll = FALSE; /* no msg scrolling in Normal mode */ | |
1438 restart_edit = 0; /* don't go to Insert mode */ | |
1439 p_im = FALSE; /* don't use 'insertmode' */ | |
1440 clear_oparg(&oa); | |
1441 finish_op = FALSE; | |
1442 | |
1443 oldcurscript = curscript; | |
1444 do | |
1445 { | |
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1446 update_topline_cursor(); // update cursor position and topline |
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1447 normal_cmd(&oa, FALSE); // execute one command |
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|
1448 vpeekc(); // check for end of file |
7 | 1449 } |
1450 while (scriptin[oldcurscript] != NULL); | |
1451 | |
1452 State = save_State; | |
1453 msg_scroll = save_msg_scroll; | |
1454 restart_edit = save_restart_edit; | |
1455 p_im = save_insertmode; | |
1456 finish_op = save_finish_op; | |
1457 } | |
1458 } | |
1459 | |
1460 /* | |
1461 * Close the currently active input script. | |
1462 */ | |
1463 static void | |
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|
1464 closescript(void) |
7 | 1465 { |
1466 free_typebuf(); | |
1467 typebuf = saved_typebuf[curscript]; | |
1468 | |
1469 fclose(scriptin[curscript]); | |
1470 scriptin[curscript] = NULL; | |
1471 if (curscript > 0) | |
1472 --curscript; | |
1473 } | |
1474 | |
358 | 1475 #if defined(EXITFREE) || defined(PROTO) |
1476 void | |
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|
1477 close_all_scripts(void) |
358 | 1478 { |
1479 while (scriptin[0] != NULL) | |
1480 closescript(); | |
1481 } | |
1482 #endif | |
1483 | |
7 | 1484 /* |
1485 * Return TRUE when reading keys from a script file. | |
1486 */ | |
1487 int | |
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|
1488 using_script(void) |
7 | 1489 { |
1490 return scriptin[curscript] != NULL; | |
1491 } | |
1492 | |
1493 /* | |
365 | 1494 * This function is called just before doing a blocking wait. Thus after |
1495 * waiting 'updatetime' for a character to arrive. | |
1496 */ | |
1497 void | |
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1498 before_blocking(void) |
365 | 1499 { |
1500 updatescript(0); | |
1501 #ifdef FEAT_EVAL | |
958 | 1502 if (may_garbage_collect) |
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1503 garbage_collect(FALSE); |
365 | 1504 #endif |
1505 } | |
1506 | |
1507 /* | |
7 | 1508 * updatescipt() is called when a character can be written into the script file |
1509 * or when we have waited some time for a character (c == 0) | |
1510 * | |
1511 * All the changed memfiles are synced if c == 0 or when the number of typed | |
1512 * characters reaches 'updatecount' and 'updatecount' is non-zero. | |
1513 */ | |
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1514 static void |
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1515 updatescript(int c) |
7 | 1516 { |
1517 static int count = 0; | |
1518 | |
1519 if (c && scriptout) | |
1520 putc(c, scriptout); | |
1521 if (c == 0 || (p_uc > 0 && ++count >= p_uc)) | |
1522 { | |
1523 ml_sync_all(c == 0, TRUE); | |
1524 count = 0; | |
1525 } | |
1526 } | |
1527 | |
1528 /* | |
1529 * Get the next input character. | |
1530 * Can return a special key or a multi-byte character. | |
1531 * Can return NUL when called recursively, use safe_vgetc() if that's not | |
1532 * wanted. | |
1533 * This translates escaped K_SPECIAL and CSI bytes to a K_SPECIAL or CSI byte. | |
1534 * Collects the bytes of a multibyte character into the whole character. | |
1992 | 1535 * Returns the modifiers in the global "mod_mask". |
7 | 1536 */ |
1537 int | |
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1538 vgetc(void) |
7 | 1539 { |
1540 int c, c2; | |
1541 int n; | |
3549 | 1542 char_u buf[MB_MAXBYTES + 1]; |
7 | 1543 int i; |
1544 | |
958 | 1545 #ifdef FEAT_EVAL |
1546 /* Do garbage collection when garbagecollect() was called previously and | |
1547 * we are now at the toplevel. */ | |
1548 if (may_garbage_collect && want_garbage_collect) | |
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1549 garbage_collect(FALSE); |
958 | 1550 #endif |
1551 | |
7 | 1552 /* |
1553 * If a character was put back with vungetc, it was already processed. | |
1554 * Return it directly. | |
1555 */ | |
1556 if (old_char != -1) | |
1557 { | |
1558 c = old_char; | |
1559 old_char = -1; | |
1560 mod_mask = old_mod_mask; | |
4227 | 1561 #ifdef FEAT_MOUSE |
1562 mouse_row = old_mouse_row; | |
1563 mouse_col = old_mouse_col; | |
1564 #endif | |
7 | 1565 } |
958 | 1566 else |
7 | 1567 { |
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1568 mod_mask = 0x0; |
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1569 last_recorded_len = 0; |
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1570 for (;;) // this is done twice if there are modifiers |
7 | 1571 { |
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1572 int did_inc = FALSE; |
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1573 |
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1574 if (mod_mask |
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1575 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) |
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1576 || im_is_preediting() |
7 | 1577 #endif |
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1578 #if defined(FEAT_TEXT_PROP) |
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1579 || popup_no_mapping() |
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1580 #endif |
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1581 ) |
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1582 { |
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1583 // no mapping after modifier has been read |
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1584 ++no_mapping; |
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1585 ++allow_keys; |
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1586 did_inc = TRUE; // mod_mask may change value |
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1587 } |
7 | 1588 c = vgetorpeek(TRUE); |
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1589 if (did_inc) |
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1590 { |
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1591 --no_mapping; |
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1592 --allow_keys; |
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1593 } |
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1594 |
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1595 // Get two extra bytes for special keys |
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1596 if (c == K_SPECIAL |
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1597 #ifdef FEAT_GUI |
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1598 || (gui.in_use && c == CSI) |
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1599 #endif |
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1600 ) |
7 | 1601 { |
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1602 int save_allow_keys = allow_keys; |
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1603 |
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1604 ++no_mapping; |
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1605 allow_keys = 0; // make sure BS is not found |
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1606 c2 = vgetorpeek(TRUE); // no mapping for these chars |
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1607 c = vgetorpeek(TRUE); |
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1608 --no_mapping; |
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1609 allow_keys = save_allow_keys; |
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1610 if (c2 == KS_MODIFIER) |
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1611 { |
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1612 mod_mask = c; |
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1613 continue; |
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1614 } |
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1615 c = TO_SPECIAL(c2, c); |
7 | 1616 |
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1617 #if defined(FEAT_GUI_MSWIN) && defined(FEAT_MENU) && defined(FEAT_TEAROFF) |
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1618 // Handle K_TEAROFF here, the caller of vgetc() doesn't need to |
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1619 // know that a menu was torn off |
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1620 if ( |
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1621 # ifdef VIMDLL |
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1622 gui.in_use && |
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1623 # endif |
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1624 c == K_TEAROFF) |
7 | 1625 { |
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|
1626 char_u name[200]; |
a14d8b4ef2b0
patch 8.1.1000: indenting is off
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diff
changeset
|
1627 int i; |
a14d8b4ef2b0
patch 8.1.1000: indenting is off
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diff
changeset
|
1628 |
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patch 8.1.1000: indenting is off
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diff
changeset
|
1629 // get menu path, it ends with a <CR> |
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patch 8.1.1000: indenting is off
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diff
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|
1630 for (i = 0; (c = vgetorpeek(TRUE)) != '\r'; ) |
a14d8b4ef2b0
patch 8.1.1000: indenting is off
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changeset
|
1631 { |
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patch 8.1.1000: indenting is off
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diff
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|
1632 name[i] = c; |
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patch 8.1.1000: indenting is off
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diff
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|
1633 if (i < 199) |
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|
1634 ++i; |
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patch 8.1.1000: indenting is off
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|
1635 } |
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|
1636 name[i] = NUL; |
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patch 8.1.1000: indenting is off
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1637 gui_make_tearoff(name); |
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patch 8.1.1000: indenting is off
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|
1638 continue; |
7 | 1639 } |
1640 #endif | |
2277
f42e0b5ff9e9
Change remaining HAVE_GTK2 to FEAT_GUI_GTK.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1641 #if defined(FEAT_GUI) && defined(FEAT_GUI_GTK) && defined(FEAT_MENU) |
15989
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|
1642 // GTK: <F10> normally selects the menu, but it's passed until |
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patch 8.1.1000: indenting is off
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|
1643 // here to allow mapping it. Intercept and invoke the GTK |
a14d8b4ef2b0
patch 8.1.1000: indenting is off
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|
1644 // behavior if it's not mapped. |
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patch 8.1.1000: indenting is off
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|
1645 if (c == K_F10 && gui.menubar != NULL) |
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patch 8.1.1000: indenting is off
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|
1646 { |
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|
1647 gtk_menu_shell_select_first( |
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patch 8.1.1000: indenting is off
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|
1648 GTK_MENU_SHELL(gui.menubar), FALSE); |
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patch 8.1.1000: indenting is off
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|
1649 continue; |
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|
1650 } |
36 | 1651 #endif |
7 | 1652 #ifdef FEAT_GUI |
16470
d8ade1c5f823
patch 8.1.1239: key with byte sequence containing CSI does not work
Bram Moolenaar <Bram@vim.org>
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16451
diff
changeset
|
1653 if (gui.in_use) |
15989
a14d8b4ef2b0
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Bram Moolenaar <Bram@vim.org>
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changeset
|
1654 { |
16470
d8ade1c5f823
patch 8.1.1239: key with byte sequence containing CSI does not work
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
1655 // Handle focus event here, so that the caller doesn't |
d8ade1c5f823
patch 8.1.1239: key with byte sequence containing CSI does not work
Bram Moolenaar <Bram@vim.org>
parents:
16451
diff
changeset
|
1656 // need to know about it. Return K_IGNORE so that we loop |
d8ade1c5f823
patch 8.1.1239: key with byte sequence containing CSI does not work
Bram Moolenaar <Bram@vim.org>
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diff
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|
1657 // once (needed if 'lazyredraw' is set). |
d8ade1c5f823
patch 8.1.1239: key with byte sequence containing CSI does not work
Bram Moolenaar <Bram@vim.org>
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diff
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|
1658 if (c == K_FOCUSGAINED || c == K_FOCUSLOST) |
d8ade1c5f823
patch 8.1.1239: key with byte sequence containing CSI does not work
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1659 { |
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patch 8.1.1239: key with byte sequence containing CSI does not work
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1660 ui_focus_change(c == K_FOCUSGAINED); |
d8ade1c5f823
patch 8.1.1239: key with byte sequence containing CSI does not work
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1661 c = K_IGNORE; |
d8ade1c5f823
patch 8.1.1239: key with byte sequence containing CSI does not work
Bram Moolenaar <Bram@vim.org>
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diff
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|
1662 } |
d8ade1c5f823
patch 8.1.1239: key with byte sequence containing CSI does not work
Bram Moolenaar <Bram@vim.org>
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diff
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|
1663 |
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patch 8.1.1239: key with byte sequence containing CSI does not work
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diff
changeset
|
1664 // Translate K_CSI to CSI. The special key is only used |
d8ade1c5f823
patch 8.1.1239: key with byte sequence containing CSI does not work
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parents:
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diff
changeset
|
1665 // to avoid it being recognized as the start of a special |
d8ade1c5f823
patch 8.1.1239: key with byte sequence containing CSI does not work
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1666 // key. |
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patch 8.1.1239: key with byte sequence containing CSI does not work
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1667 if (c == K_CSI) |
d8ade1c5f823
patch 8.1.1239: key with byte sequence containing CSI does not work
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1668 c = CSI; |
15989
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|
1669 } |
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|
1670 #endif |
1380 | 1671 } |
15989
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|
1672 // a keypad or special function key was not mapped, use it like |
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|
1673 // its ASCII equivalent |
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|
1674 switch (c) |
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|
1675 { |
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|
1676 case K_KPLUS: c = '+'; break; |
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|
1677 case K_KMINUS: c = '-'; break; |
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|
1678 case K_KDIVIDE: c = '/'; break; |
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|
1679 case K_KMULTIPLY: c = '*'; break; |
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|
1680 case K_KENTER: c = CAR; break; |
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changeset
|
1681 case K_KPOINT: |
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15850
diff
changeset
|
1682 #ifdef MSWIN |
14403
e29cbac5e8f6
patch 8.1.0216: part of file not indented properly
Christian Brabandt <cb@256bit.org>
parents:
14247
diff
changeset
|
1683 // Can be either '.' or a ',', |
e29cbac5e8f6
patch 8.1.0216: part of file not indented properly
Christian Brabandt <cb@256bit.org>
parents:
14247
diff
changeset
|
1684 // depending on the type of keypad. |
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patch 8.1.0216: part of file not indented properly
Christian Brabandt <cb@256bit.org>
parents:
14247
diff
changeset
|
1685 c = MapVirtualKey(VK_DECIMAL, 2); break; |
36 | 1686 #else |
14403
e29cbac5e8f6
patch 8.1.0216: part of file not indented properly
Christian Brabandt <cb@256bit.org>
parents:
14247
diff
changeset
|
1687 c = '.'; break; |
36 | 1688 #endif |
15989
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|
1689 case K_K0: c = '0'; break; |
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|
1690 case K_K1: c = '1'; break; |
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|
1691 case K_K2: c = '2'; break; |
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|
1692 case K_K3: c = '3'; break; |
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|
1693 case K_K4: c = '4'; break; |
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|
1694 case K_K5: c = '5'; break; |
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|
1695 case K_K6: c = '6'; break; |
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|
1696 case K_K7: c = '7'; break; |
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|
1697 case K_K8: c = '8'; break; |
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|
1698 case K_K9: c = '9'; break; |
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|
1699 |
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|
1700 case K_XHOME: |
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diff
changeset
|
1701 case K_ZHOME: if (mod_mask == MOD_MASK_SHIFT) |
229 | 1702 { |
1703 c = K_S_HOME; | |
1704 mod_mask = 0; | |
1705 } | |
1706 else if (mod_mask == MOD_MASK_CTRL) | |
1707 { | |
1708 c = K_C_HOME; | |
1709 mod_mask = 0; | |
1710 } | |
1711 else | |
1712 c = K_HOME; | |
1713 break; | |
15989
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|
1714 case K_XEND: |
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|
1715 case K_ZEND: if (mod_mask == MOD_MASK_SHIFT) |
229 | 1716 { |
1717 c = K_S_END; | |
1718 mod_mask = 0; | |
1719 } | |
1720 else if (mod_mask == MOD_MASK_CTRL) | |
1721 { | |
1722 c = K_C_END; | |
1723 mod_mask = 0; | |
1724 } | |
1725 else | |
1726 c = K_END; | |
1727 break; | |
1728 | |
15989
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|
1729 case K_XUP: c = K_UP; break; |
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|
1730 case K_XDOWN: c = K_DOWN; break; |
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|
1731 case K_XLEFT: c = K_LEFT; break; |
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|
1732 case K_XRIGHT: c = K_RIGHT; break; |
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Bram Moolenaar <Bram@vim.org>
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|
1733 } |
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|
1734 |
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|
1735 // For a multi-byte character get all the bytes and return the |
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|
1736 // converted character. |
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|
1737 // Note: This will loop until enough bytes are received! |
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|
1738 if (has_mbyte && (n = MB_BYTE2LEN_CHECK(c)) > 1) |
7 | 1739 { |
15989
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|
1740 ++no_mapping; |
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|
1741 buf[0] = c; |
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|
1742 for (i = 1; i < n; ++i) |
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|
1743 { |
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changeset
|
1744 buf[i] = vgetorpeek(TRUE); |
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patch 8.1.1000: indenting is off
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changeset
|
1745 if (buf[i] == K_SPECIAL |
7 | 1746 #ifdef FEAT_GUI |
16712
329e28ed10fd
patch 8.1.1358: cannot enter character with a CSI byte
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1747 || ( |
329e28ed10fd
patch 8.1.1358: cannot enter character with a CSI byte
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diff
changeset
|
1748 # ifdef VIMDLL |
329e28ed10fd
patch 8.1.1358: cannot enter character with a CSI byte
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1749 gui.in_use && |
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patch 8.1.1358: cannot enter character with a CSI byte
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|
1750 # endif |
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patch 8.1.1358: cannot enter character with a CSI byte
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changeset
|
1751 buf[i] == CSI) |
7 | 1752 #endif |
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|
1753 ) |
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|
1754 { |
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|
1755 // Must be a K_SPECIAL - KS_SPECIAL - KE_FILLER |
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|
1756 // sequence, which represents a K_SPECIAL (0x80), |
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|
1757 // or a CSI - KS_EXTRA - KE_CSI sequence, which |
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|
1758 // represents a CSI (0x9B), |
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changeset
|
1759 // or a K_SPECIAL - KS_EXTRA - KE_CSI, which is CSI |
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|
1760 // too. |
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|
1761 c = vgetorpeek(TRUE); |
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patch 8.1.1000: indenting is off
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changeset
|
1762 if (vgetorpeek(TRUE) == (int)KE_CSI && c == KS_EXTRA) |
a14d8b4ef2b0
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changeset
|
1763 buf[i] = CSI; |
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|
1764 } |
7 | 1765 } |
15989
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1766 --no_mapping; |
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|
1767 c = (*mb_ptr2char)(buf); |
7 | 1768 } |
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1769 |
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|
1770 break; |
7 | 1771 } |
1772 } | |
958 | 1773 |
1774 #ifdef FEAT_EVAL | |
1775 /* | |
1776 * In the main loop "may_garbage_collect" can be set to do garbage | |
1777 * collection in the first next vgetc(). It's disabled after that to | |
1778 * avoid internally used Lists and Dicts to be freed. | |
1779 */ | |
1780 may_garbage_collect = FALSE; | |
1781 #endif | |
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|
1782 #ifdef FEAT_BEVAL_TERM |
17282
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|
1783 if (c != K_MOUSEMOVE && c != K_IGNORE && c != K_CURSORHOLD) |
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1784 { |
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1785 /* Don't trigger 'balloonexpr' unless only the mouse was moved. */ |
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|
1786 bevalexpr_due_set = FALSE; |
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|
1787 ui_remove_balloon(); |
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1788 } |
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1789 #endif |
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1790 #ifdef FEAT_TEXT_PROP |
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1791 if (popup_do_filter(c)) |
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1792 c = K_IGNORE; |
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1793 #endif |
958 | 1794 |
1795 return c; | |
7 | 1796 } |
1797 | |
1798 /* | |
1799 * Like vgetc(), but never return a NUL when called recursively, get a key | |
1800 * directly from the user (ignoring typeahead). | |
1801 */ | |
1802 int | |
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1803 safe_vgetc(void) |
7 | 1804 { |
1805 int c; | |
1806 | |
1807 c = vgetc(); | |
1808 if (c == NUL) | |
1809 c = get_keystroke(); | |
1810 return c; | |
1811 } | |
1812 | |
1813 /* | |
1389 | 1814 * Like safe_vgetc(), but loop to handle K_IGNORE. |
1815 * Also ignore scrollbar events. | |
1816 */ | |
1817 int | |
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1818 plain_vgetc(void) |
1389 | 1819 { |
1820 int c; | |
1821 | |
1822 do | |
1823 c = safe_vgetc(); | |
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1824 while (c == K_IGNORE || c == K_VER_SCROLLBAR || c == K_HOR_SCROLLBAR); |
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1825 |
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1826 if (c == K_PS) |
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1827 /* Only handle the first pasted character. Drop the rest, since we |
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1828 * don't know what to do with it. */ |
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1829 c = bracketed_paste(PASTE_ONE_CHAR, FALSE, NULL); |
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1830 |
1389 | 1831 return c; |
1832 } | |
1833 | |
1834 /* | |
7 | 1835 * Check if a character is available, such that vgetc() will not block. |
1836 * If the next character is a special character or multi-byte, the returned | |
1837 * character is not valid!. | |
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1838 * Returns NUL if no character is available. |
7 | 1839 */ |
1840 int | |
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|
1841 vpeekc(void) |
7 | 1842 { |
1843 if (old_char != -1) | |
1844 return old_char; | |
1845 return vgetorpeek(FALSE); | |
1846 } | |
1847 | |
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|
1848 #if defined(FEAT_TERMRESPONSE) || defined(FEAT_TERMINAL) || defined(PROTO) |
7 | 1849 /* |
1850 * Like vpeekc(), but don't allow mapping. Do allow checking for terminal | |
1851 * codes. | |
1852 */ | |
1853 int | |
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1854 vpeekc_nomap(void) |
7 | 1855 { |
1856 int c; | |
1857 | |
1858 ++no_mapping; | |
1859 ++allow_keys; | |
1860 c = vpeekc(); | |
1861 --no_mapping; | |
1862 --allow_keys; | |
1863 return c; | |
1864 } | |
1865 #endif | |
1866 | |
1867 /* | |
1868 * Check if any character is available, also half an escape sequence. | |
1869 * Trick: when no typeahead found, but there is something in the typeahead | |
1870 * buffer, it must be an ESC that is recognized as the start of a key code. | |
1871 */ | |
1872 int | |
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1873 vpeekc_any(void) |
7 | 1874 { |
1875 int c; | |
1876 | |
1877 c = vpeekc(); | |
1878 if (c == NUL && typebuf.tb_len > 0) | |
1879 c = ESC; | |
1880 return c; | |
1881 } | |
1882 | |
1883 /* | |
1884 * Call vpeekc() without causing anything to be mapped. | |
1885 * Return TRUE if a character is available, FALSE otherwise. | |
1886 */ | |
1887 int | |
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1888 char_avail(void) |
7 | 1889 { |
1890 int retval; | |
1891 | |
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1892 #ifdef FEAT_EVAL |
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1893 /* When test_override("char_avail", 1) was called pretend there is no |
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1894 * typeahead. */ |
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1895 if (disable_char_avail_for_testing) |
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1896 return FALSE; |
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1897 #endif |
7 | 1898 ++no_mapping; |
1899 retval = vpeekc(); | |
1900 --no_mapping; | |
1901 return (retval != NUL); | |
1902 } | |
1903 | |
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1904 typedef enum { |
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1905 map_result_fail, // failed, break loop |
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1906 map_result_get, // get a character from typeahead |
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1907 map_result_retry, // try to map again |
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1908 map_result_nomatch // no matching mapping, get char |
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1909 } map_result_T; |
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1910 |
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1911 /* |
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1912 * Handle mappings in the typeahead buffer. |
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1913 * - When something was mapped, return map_result_retry for recursive mappings. |
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1914 * - When nothing mapped and typeahead has a character: return map_result_get. |
17600
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1915 * - When there is no match yet, return map_result_nomatch, need to get more |
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1916 * typeahead. |
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1917 */ |
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1918 static int |
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1919 handle_mapping( |
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1920 int *keylenp, |
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1921 int *timedout, |
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1922 int *mapdepth) |
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1923 { |
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1924 mapblock_T *mp = NULL; |
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1925 mapblock_T *mp2; |
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1926 mapblock_T *mp_match; |
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1927 int mp_match_len = 0; |
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1928 int max_mlen = 0; |
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1929 int tb_c1; |
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1930 int mlen; |
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1931 #ifdef FEAT_LANGMAP |
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1932 int nolmaplen; |
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1933 #endif |
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1934 int keylen = *keylenp; |
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1935 int i; |
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1936 int local_State = get_real_state(); |
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1937 |
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1938 /* |
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1939 * Check for a mappable key sequence. |
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1940 * Walk through one maphash[] list until we find an entry that matches. |
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1941 * |
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1942 * Don't look for mappings if: |
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1943 * - no_mapping set: mapping disabled (e.g. for CTRL-V) |
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1944 * - maphash_valid not set: no mappings present. |
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1945 * - typebuf.tb_buf[typebuf.tb_off] should not be remapped |
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1946 * - in insert or cmdline mode and 'paste' option set |
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1947 * - waiting for "hit return to continue" and CR or SPACE typed |
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1948 * - waiting for a char with --more-- |
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1949 * - in Ctrl-X mode, and we get a valid char for that mode |
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1950 */ |
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1951 tb_c1 = typebuf.tb_buf[typebuf.tb_off]; |
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1952 if (no_mapping == 0 && is_maphash_valid() |
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1953 && (no_zero_mapping == 0 || tb_c1 != '0') |
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1954 && (typebuf.tb_maplen == 0 |
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1955 || (p_remap |
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1956 && (typebuf.tb_noremap[typebuf.tb_off] |
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1957 & (RM_NONE|RM_ABBR)) == 0)) |
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1958 && !(p_paste && (State & (INSERT + CMDLINE))) |
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1959 && !(State == HITRETURN && (tb_c1 == CAR || tb_c1 == ' ')) |
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1960 && State != ASKMORE |
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1961 && State != CONFIRM |
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1962 && !((ctrl_x_mode_not_default() && vim_is_ctrl_x_key(tb_c1)) |
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1963 || ((compl_cont_status & CONT_LOCAL) |
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1964 && (tb_c1 == Ctrl_N || tb_c1 == Ctrl_P)))) |
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1965 { |
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1966 #ifdef FEAT_LANGMAP |
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1967 if (tb_c1 == K_SPECIAL) |
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1968 nolmaplen = 2; |
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1969 else |
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1970 { |
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1971 LANGMAP_ADJUST(tb_c1, (State & (CMDLINE | INSERT)) == 0 |
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1972 && get_real_state() != SELECTMODE); |
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1973 nolmaplen = 0; |
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1974 } |
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1975 #endif |
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1976 // First try buffer-local mappings. |
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1977 mp = get_buf_maphash_list(local_State, tb_c1); |
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1978 mp2 = get_maphash_list(local_State, tb_c1); |
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1979 if (mp == NULL) |
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1980 { |
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1981 // There are no buffer-local mappings. |
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1982 mp = mp2; |
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1983 mp2 = NULL; |
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1984 } |
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1985 |
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1986 /* |
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1987 * Loop until a partly matching mapping is found or all (local) |
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1988 * mappings have been checked. |
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1989 * The longest full match is remembered in "mp_match". |
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1990 * A full match is only accepted if there is no partly match, so "aa" |
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1991 * and "aaa" can both be mapped. |
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1992 */ |
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1993 mp_match = NULL; |
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1994 mp_match_len = 0; |
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1995 for ( ; mp != NULL; |
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1996 mp->m_next == NULL ? (mp = mp2, mp2 = NULL) : (mp = mp->m_next)) |
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1997 { |
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1998 // Only consider an entry if the first character matches and it is |
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1999 // for the current state. |
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2000 // Skip ":lmap" mappings if keys were mapped. |
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2001 if (mp->m_keys[0] == tb_c1 |
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2002 && (mp->m_mode & local_State) |
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2003 && ((mp->m_mode & LANGMAP) == 0 || typebuf.tb_maplen == 0)) |
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2004 { |
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2005 #ifdef FEAT_LANGMAP |
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2006 int nomap = nolmaplen; |
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2007 int c2; |
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2008 #endif |
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2009 // find the match length of this mapping |
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2010 for (mlen = 1; mlen < typebuf.tb_len; ++mlen) |
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2011 { |
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2012 #ifdef FEAT_LANGMAP |
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2013 c2 = typebuf.tb_buf[typebuf.tb_off + mlen]; |
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2014 if (nomap > 0) |
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2015 --nomap; |
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2016 else if (c2 == K_SPECIAL) |
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2017 nomap = 2; |
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2018 else |
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2019 LANGMAP_ADJUST(c2, TRUE); |
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2020 if (mp->m_keys[mlen] != c2) |
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2021 #else |
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2022 if (mp->m_keys[mlen] != |
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2023 typebuf.tb_buf[typebuf.tb_off + mlen]) |
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2024 #endif |
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2025 break; |
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2026 } |
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2027 |
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2028 // Don't allow mapping the first byte(s) of a multi-byte char. |
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2029 // Happens when mapping <M-a> and then changing 'encoding'. |
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2030 // Beware that 0x80 is escaped. |
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2031 { |
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2032 char_u *p1 = mp->m_keys; |
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2033 char_u *p2 = mb_unescape(&p1); |
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2034 |
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2035 if (has_mbyte && p2 != NULL |
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2036 && MB_BYTE2LEN(tb_c1) > MB_PTR2LEN(p2)) |
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2037 mlen = 0; |
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2038 } |
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2039 |
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2040 // Check an entry whether it matches. |
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2041 // - Full match: mlen == keylen |
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2042 // - Partly match: mlen == typebuf.tb_len |
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2043 keylen = mp->m_keylen; |
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2044 if (mlen == keylen || (mlen == typebuf.tb_len |
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2045 && typebuf.tb_len < keylen)) |
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2046 { |
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2047 char_u *s; |
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2048 int n; |
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2049 |
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2050 // If only script-local mappings are allowed, check if the |
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2051 // mapping starts with K_SNR. |
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2052 s = typebuf.tb_noremap + typebuf.tb_off; |
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2053 if (*s == RM_SCRIPT |
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2054 && (mp->m_keys[0] != K_SPECIAL |
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2055 || mp->m_keys[1] != KS_EXTRA |
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2056 || mp->m_keys[2] != (int)KE_SNR)) |
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2057 continue; |
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2058 |
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2059 // If one of the typed keys cannot be remapped, skip the |
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2060 // entry. |
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2061 for (n = mlen; --n >= 0; ) |
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2062 if (*s++ & (RM_NONE|RM_ABBR)) |
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2063 break; |
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|
2064 if (n >= 0) |
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2065 continue; |
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|
2066 |
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|
2067 if (keylen > typebuf.tb_len) |
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|
2068 { |
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|
2069 if (!*timedout && !(mp_match != NULL |
17602
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|
2070 && mp_match->m_nowait)) |
17600
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|
2071 { |
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|
2072 // break at a partly match |
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|
2073 keylen = KEYLEN_PART_MAP; |
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|
2074 break; |
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2075 } |
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2076 } |
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|
2077 else if (keylen > mp_match_len) |
ca42eb789472
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|
2078 { |
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|
2079 // found a longer match |
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2080 mp_match = mp; |
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|
2081 mp_match_len = keylen; |
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|
2082 } |
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|
2083 } |
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|
2084 else |
17602
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|
2085 // No match; may have to check for termcode at next |
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|
2086 // character. |
17600
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|
2087 if (max_mlen < mlen) |
ca42eb789472
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|
2088 max_mlen = mlen; |
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|
2089 } |
ca42eb789472
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|
2090 } |
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|
2091 |
17602
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|
2092 // If no partly match found, use the longest full match. |
17600
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|
2093 if (keylen != KEYLEN_PART_MAP) |
ca42eb789472
patch 8.1.1797: the vgetorpeek() function is too long
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|
2094 { |
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|
2095 mp = mp_match; |
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patch 8.1.1797: the vgetorpeek() function is too long
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|
2096 keylen = mp_match_len; |
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|
2097 } |
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|
2098 } |
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|
2099 |
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|
2100 /* |
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|
2101 * Check for match with 'pastetoggle' |
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|
2102 */ |
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|
2103 if (*p_pt != NUL && mp == NULL && (State & (INSERT|NORMAL))) |
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|
2104 { |
17602
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|
2105 for (mlen = 0; mlen < typebuf.tb_len && p_pt[mlen]; ++mlen) |
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|
2106 if (p_pt[mlen] != typebuf.tb_buf[typebuf.tb_off + mlen]) |
17600
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|
2107 break; |
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|
2108 if (p_pt[mlen] == NUL) // match |
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|
2109 { |
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|
2110 // write chars to script file(s) |
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|
2111 if (mlen > typebuf.tb_maplen) |
17602
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|
2112 gotchars(typebuf.tb_buf + typebuf.tb_off + typebuf.tb_maplen, |
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|
2113 mlen - typebuf.tb_maplen); |
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2114 |
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|
2115 del_typebuf(mlen, 0); // remove the chars |
17602
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|
2116 set_option_value((char_u *)"paste", (long)!p_paste, NULL, 0); |
17600
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|
2117 if (!(State & INSERT)) |
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|
2118 { |
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|
2119 msg_col = 0; |
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|
2120 msg_row = Rows - 1; |
ca42eb789472
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|
2121 msg_clr_eos(); // clear ruler |
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2122 } |
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|
2123 status_redraw_all(); |
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|
2124 redraw_statuslines(); |
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|
2125 showmode(); |
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|
2126 setcursor(); |
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|
2127 *keylenp = keylen; |
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|
2128 return map_result_retry; |
ca42eb789472
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|
2129 } |
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|
2130 // Need more chars for partly match. |
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|
2131 if (mlen == typebuf.tb_len) |
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|
2132 keylen = KEYLEN_PART_KEY; |
ca42eb789472
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|
2133 else if (max_mlen < mlen) |
17602
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|
2134 // no match, may have to check for termcode at next character |
17600
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|
2135 max_mlen = mlen + 1; |
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|
2136 } |
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|
2137 |
17602
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patch 8.1.1798: warning for unused variable in tiny version
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|
2138 if ((mp == NULL || max_mlen >= mp_match_len) && keylen != KEYLEN_PART_MAP) |
17600
ca42eb789472
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|
2139 { |
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|
2140 int save_keylen = keylen; |
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|
2141 |
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|
2142 /* |
17602
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|
2143 * When no matching mapping found or found a non-matching mapping that |
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|
2144 * matches at least what the matching mapping matched: |
17600
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|
2145 * Check if we have a terminal code, when: |
17602
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|
2146 * - mapping is allowed, |
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2147 * - keys have not been mapped, |
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|
2148 * - and not an ESC sequence, not in insert mode or p_ek is on, |
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|
2149 * - and when not timed out, |
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|
2150 */ |
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|
2151 if ((no_mapping == 0 || allow_keys != 0) |
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|
2152 && (typebuf.tb_maplen == 0 |
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|
2153 || (p_remap && typebuf.tb_noremap[ |
17602
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patch 8.1.1798: warning for unused variable in tiny version
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|
2154 typebuf.tb_off] == RM_YES)) |
17600
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|
2155 && !*timedout) |
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|
2156 { |
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|
2157 keylen = check_termcode(max_mlen + 1, |
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|
2158 NULL, 0, NULL); |
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|
2159 |
17602
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|
2160 // If no termcode matched but 'pastetoggle' matched partially it's |
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|
2161 // like an incomplete key sequence. |
17600
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|
2162 if (keylen == 0 && save_keylen == KEYLEN_PART_KEY) |
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|
2163 keylen = KEYLEN_PART_KEY; |
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|
2164 |
17602
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|
2165 // When getting a partial match, but the last characters were not |
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|
2166 // typed, don't wait for a typed character to complete the |
653ab352b019
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|
2167 // termcode. This helps a lot when a ":normal" command ends in an |
653ab352b019
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|
2168 // ESC. |
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|
2169 if (keylen < 0 && typebuf.tb_len == typebuf.tb_maplen) |
17600
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2170 keylen = 0; |
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2171 } |
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2172 else |
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2173 keylen = 0; |
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2174 if (keylen == 0) // no matching terminal code |
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2175 { |
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2176 #ifdef AMIGA |
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2177 // check for window bounds report |
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2178 if (typebuf.tb_maplen == 0 && (typebuf.tb_buf[ |
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2179 typebuf.tb_off] & 0xff) == CSI) |
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2180 { |
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2181 char_u *s; |
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2182 |
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2183 for (s = typebuf.tb_buf + typebuf.tb_off + 1; |
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2184 s < typebuf.tb_buf + typebuf.tb_off + typebuf.tb_len |
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2185 && (VIM_ISDIGIT(*s) || *s == ';' || *s == ' '); |
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2186 ++s) |
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2187 ; |
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2188 if (*s == 'r' || *s == '|') // found one |
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2189 { |
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2190 del_typebuf( |
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2191 (int)(s + 1 - (typebuf.tb_buf + typebuf.tb_off)), 0); |
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2192 // get size and redraw screen |
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2193 shell_resized(); |
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2194 *keylenp = keylen; |
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2195 return map_result_retry; |
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2196 } |
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2197 if (*s == NUL) // need more characters |
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2198 keylen = KEYLEN_PART_KEY; |
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2199 } |
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2200 if (keylen >= 0) |
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2201 #endif |
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2202 // When there was a matching mapping and no termcode could be |
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2203 // replaced after another one, use that mapping (loop around). |
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2204 // If there was no mapping at all use the character from the |
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2205 // typeahead buffer right here. |
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2206 if (mp == NULL) |
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2207 { |
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2208 *keylenp = keylen; |
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2209 return map_result_get; // got character, break for loop |
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2210 } |
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2211 } |
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2212 |
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2213 if (keylen > 0) // full matching terminal code |
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2214 { |
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2215 #if defined(FEAT_GUI) && defined(FEAT_MENU) |
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2216 if (typebuf.tb_len >= 2 |
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2217 && typebuf.tb_buf[typebuf.tb_off] == K_SPECIAL |
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2218 && typebuf.tb_buf[typebuf.tb_off + 1] == KS_MENU) |
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2219 { |
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2220 int idx; |
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2221 |
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2222 // Using a menu may cause a break in undo! It's like using |
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2223 // gotchars(), but without recording or writing to a script |
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2224 // file. |
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2225 may_sync_undo(); |
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2226 del_typebuf(3, 0); |
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2227 idx = get_menu_index(current_menu, local_State); |
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2228 if (idx != MENU_INDEX_INVALID) |
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2229 { |
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2230 // In Select mode and a Visual mode menu is used: Switch |
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2231 // to Visual mode temporarily. Append K_SELECT to switch |
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2232 // back to Select mode. |
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2233 if (VIsual_active && VIsual_select |
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2234 && (current_menu->modes & VISUAL)) |
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2235 { |
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2236 VIsual_select = FALSE; |
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2237 (void)ins_typebuf(K_SELECT_STRING, |
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2238 REMAP_NONE, 0, TRUE, FALSE); |
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2239 } |
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2240 ins_typebuf(current_menu->strings[idx], |
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2241 current_menu->noremap[idx], |
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2242 0, TRUE, current_menu->silent[idx]); |
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2243 } |
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2244 } |
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2245 #endif // FEAT_GUI && FEAT_MENU |
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2246 *keylenp = keylen; |
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2247 return map_result_retry; // try mapping again |
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2248 } |
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2249 |
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2250 // Partial match: get some more characters. When a matching mapping |
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2251 // was found use that one. |
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2252 if (mp == NULL || keylen < 0) |
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2253 keylen = KEYLEN_PART_KEY; |
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2254 else |
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2255 keylen = mp_match_len; |
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2256 } |
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2257 |
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2258 /* |
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2259 * complete match |
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2260 */ |
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2261 if (keylen >= 0 && keylen <= typebuf.tb_len) |
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2262 { |
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2263 char_u *map_str; |
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2264 |
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2265 #ifdef FEAT_EVAL |
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2266 int save_m_expr; |
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2267 int save_m_noremap; |
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2268 int save_m_silent; |
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2269 char_u *save_m_keys; |
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2270 char_u *save_m_str; |
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2271 #else |
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2272 # define save_m_noremap mp->m_noremap |
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2273 # define save_m_silent mp->m_silent |
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2274 #endif |
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2275 |
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2276 // write chars to script file(s) |
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2277 if (keylen > typebuf.tb_maplen) |
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2278 gotchars(typebuf.tb_buf + typebuf.tb_off + typebuf.tb_maplen, |
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|
2279 keylen - typebuf.tb_maplen); |
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2280 |
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|
2281 cmd_silent = (typebuf.tb_silent > 0); |
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|
2282 del_typebuf(keylen, 0); // remove the mapped keys |
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2283 |
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|
2284 /* |
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|
2285 * Put the replacement string in front of mapstr. |
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2286 * The depth check catches ":map x y" and ":map y x". |
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2287 */ |
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|
2288 if (++*mapdepth >= p_mmd) |
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2289 { |
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|
2290 emsg(_("E223: recursive mapping")); |
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|
2291 if (State & CMDLINE) |
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2292 redrawcmdline(); |
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2293 else |
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2294 setcursor(); |
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|
2295 flush_buffers(FLUSH_MINIMAL); |
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|
2296 *mapdepth = 0; /* for next one */ |
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|
2297 *keylenp = keylen; |
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|
2298 return map_result_fail; |
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2299 } |
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2300 |
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2301 /* |
17602
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2302 * In Select mode and a Visual mode mapping is used: Switch to Visual |
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2303 * mode temporarily. Append K_SELECT to switch back to Select mode. |
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2304 */ |
17602
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|
2305 if (VIsual_active && VIsual_select && (mp->m_mode & VISUAL)) |
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2306 { |
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|
2307 VIsual_select = FALSE; |
17602
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2308 (void)ins_typebuf(K_SELECT_STRING, REMAP_NONE, 0, TRUE, FALSE); |
17600
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2309 } |
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2310 |
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|
2311 #ifdef FEAT_EVAL |
17602
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2312 // Copy the values from *mp that are used, because evaluating the |
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2313 // expression may invoke a function that redefines the mapping, thereby |
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2314 // making *mp invalid. |
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2315 save_m_expr = mp->m_expr; |
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2316 save_m_noremap = mp->m_noremap; |
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2317 save_m_silent = mp->m_silent; |
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2318 save_m_keys = NULL; // only saved when needed |
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2319 save_m_str = NULL; // only saved when needed |
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2320 |
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2321 /* |
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2322 * Handle ":map <expr>": evaluate the {rhs} as an expression. Also |
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2323 * save and restore the command line for "normal :". |
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2324 */ |
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2325 if (mp->m_expr) |
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2326 { |
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|
2327 int save_vgetc_busy = vgetc_busy; |
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2328 int save_may_garbage_collect = may_garbage_collect; |
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|
2329 |
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|
2330 vgetc_busy = 0; |
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|
2331 may_garbage_collect = FALSE; |
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2332 |
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|
2333 save_m_keys = vim_strsave(mp->m_keys); |
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|
2334 save_m_str = vim_strsave(mp->m_str); |
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|
2335 map_str = eval_map_expr(save_m_str, NUL); |
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|
2336 |
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|
2337 vgetc_busy = save_vgetc_busy; |
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|
2338 may_garbage_collect = save_may_garbage_collect; |
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|
2339 } |
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|
2340 else |
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|
2341 #endif |
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|
2342 map_str = mp->m_str; |
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2343 |
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|
2344 /* |
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|
2345 * Insert the 'to' part in the typebuf.tb_buf. |
17602
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2346 * If 'from' field is the same as the start of the 'to' field, don't |
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|
2347 * remap the first character (but do allow abbreviations). |
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2348 * If m_noremap is set, don't remap the whole 'to' part. |
17600
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|
2349 */ |
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|
2350 if (map_str == NULL) |
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|
2351 i = FAIL; |
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|
2352 else |
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|
2353 { |
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|
2354 int noremap; |
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|
2355 |
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|
2356 if (save_m_noremap != REMAP_YES) |
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|
2357 noremap = save_m_noremap; |
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|
2358 else if ( |
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|
2359 #ifdef FEAT_EVAL |
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2360 STRNCMP(map_str, save_m_keys != NULL ? save_m_keys : mp->m_keys, |
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2361 (size_t)keylen) |
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|
2362 #else |
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2363 STRNCMP(map_str, mp->m_keys, (size_t)keylen) |
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|
2364 #endif |
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2365 != 0) |
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|
2366 noremap = REMAP_YES; |
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2367 else |
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|
2368 noremap = REMAP_SKIP; |
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|
2369 i = ins_typebuf(map_str, noremap, |
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|
2370 0, TRUE, cmd_silent || save_m_silent); |
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|
2371 #ifdef FEAT_EVAL |
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2372 if (save_m_expr) |
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|
2373 vim_free(map_str); |
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|
2374 #endif |
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2375 } |
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2376 #ifdef FEAT_EVAL |
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2377 vim_free(save_m_keys); |
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2378 vim_free(save_m_str); |
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|
2379 #endif |
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2380 *keylenp = keylen; |
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|
2381 if (i == FAIL) |
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|
2382 return map_result_fail; |
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|
2383 return map_result_retry; |
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2384 } |
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|
2385 |
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diff
changeset
|
2386 *keylenp = keylen; |
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diff
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|
2387 return map_result_nomatch; |
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diff
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|
2388 } |
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|
2389 |
7821
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parents:
7801
diff
changeset
|
2390 /* |
81794242a275
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parents:
7801
diff
changeset
|
2391 * unget one character (can only be done once!) |
81794242a275
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parents:
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diff
changeset
|
2392 */ |
7 | 2393 void |
7821
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
2394 vungetc(int c) |
7 | 2395 { |
2396 old_char = c; | |
2397 old_mod_mask = mod_mask; | |
4227 | 2398 #ifdef FEAT_MOUSE |
2399 old_mouse_row = mouse_row; | |
2400 old_mouse_col = mouse_col; | |
2401 #endif | |
7 | 2402 } |
2403 | |
2404 /* | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
2405 * Get a byte: |
7 | 2406 * 1. from the stuffbuffer |
2407 * This is used for abbreviated commands like "D" -> "d$". | |
2408 * Also used to redo a command for ".". | |
2409 * 2. from the typeahead buffer | |
2410 * Stores text obtained previously but not used yet. | |
2411 * Also stores the result of mappings. | |
2412 * Also used for the ":normal" command. | |
2413 * 3. from the user | |
2414 * This may do a blocking wait if "advance" is TRUE. | |
2415 * | |
2416 * if "advance" is TRUE (vgetc()): | |
9980
b222552cf0c4
commit https://github.com/vim/vim/commit/d29459baa61819e59961804ed258efac5733ec70
Christian Brabandt <cb@256bit.org>
parents:
9898
diff
changeset
|
2417 * Really get the character. |
7 | 2418 * KeyTyped is set to TRUE in the case the user typed the key. |
2419 * KeyStuffed is TRUE if the character comes from the stuff buffer. | |
2420 * if "advance" is FALSE (vpeekc()): | |
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patch 8.1.0466: autocmd test fails
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parents:
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diff
changeset
|
2421 * Just look whether there is a character available. |
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patch 8.1.0466: autocmd test fails
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parents:
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diff
changeset
|
2422 * Return NUL if not. |
7 | 2423 * |
2424 * When "no_mapping" is zero, checks for mappings in the current mode. | |
2425 * Only returns one byte (of a multi-byte character). | |
2426 * K_SPECIAL and CSI may be escaped, need to get two more bytes then. | |
2427 */ | |
2428 static int | |
7821
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
2429 vgetorpeek(int advance) |
7 | 2430 { |
2431 int c, c1; | |
2432 int timedout = FALSE; /* waited for more than 1 second | |
2433 for mapping to complete */ | |
2434 int mapdepth = 0; /* check for recursive mapping */ | |
2435 int mode_deleted = FALSE; /* set when mode has been deleted */ | |
2436 #ifdef FEAT_CMDL_INFO | |
2437 int new_wcol, new_wrow; | |
2438 #endif | |
2439 #ifdef FEAT_GUI | |
2440 int shape_changed = FALSE; /* adjusted cursor shape */ | |
2441 #endif | |
2442 int n; | |
2443 int old_wcol, old_wrow; | |
202 | 2444 int wait_tb_len; |
7 | 2445 |
2446 /* | |
2447 * This function doesn't work very well when called recursively. This may | |
2448 * happen though, because of: | |
2449 * 1. The call to add_to_showcmd(). char_avail() is then used to check if | |
2450 * there is a character available, which calls this function. In that | |
2451 * case we must return NUL, to indicate no character is available. | |
2452 * 2. A GUI callback function writes to the screen, causing a | |
2453 * wait_return(). | |
2454 * Using ":normal" can also do this, but it saves the typeahead buffer, | |
2455 * thus it should be OK. But don't get a key from the user then. | |
2456 */ | |
7850
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Christian Brabandt <cb@256bit.org>
parents:
7821
diff
changeset
|
2457 if (vgetc_busy > 0 && ex_normal_busy == 0) |
7 | 2458 return NUL; |
2459 | |
822 | 2460 ++vgetc_busy; |
7 | 2461 |
2462 if (advance) | |
2463 KeyStuffed = FALSE; | |
2464 | |
2465 init_typebuf(); | |
2466 start_stuff(); | |
2467 if (advance && typebuf.tb_maplen == 0) | |
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patch 8.1.0020: cannot tell whether a register is executing or recording
Christian Brabandt <cb@256bit.org>
parents:
13950
diff
changeset
|
2468 reg_executing = 0; |
7 | 2469 do |
2470 { | |
2471 /* | |
2472 * get a character: 1. from the stuffbuffer | |
2473 */ | |
2474 if (typeahead_char != 0) | |
2475 { | |
2476 c = typeahead_char; | |
2477 if (advance) | |
2478 typeahead_char = 0; | |
2479 } | |
2480 else | |
5649 | 2481 c = read_readbuffers(advance); |
7 | 2482 if (c != NUL && !got_int) |
2483 { | |
2484 if (advance) | |
2485 { | |
2486 /* KeyTyped = FALSE; When the command that stuffed something | |
2487 * was typed, behave like the stuffed command was typed. | |
10549
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patch 8.0.0164: outdated and misplaced comments
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
2488 * needed for CTRL-W CTRL-] to open a fold, for example. */ |
7 | 2489 KeyStuffed = TRUE; |
2490 } | |
2491 if (typebuf.tb_no_abbr_cnt == 0) | |
2492 typebuf.tb_no_abbr_cnt = 1; /* no abbreviations now */ | |
2493 } | |
2494 else | |
2495 { | |
2496 /* | |
2497 * Loop until we either find a matching mapped key, or we | |
2498 * are sure that it is not a mapped key. | |
2499 * If a mapped key sequence is found we go back to the start to | |
2500 * try re-mapping. | |
2501 */ | |
2502 for (;;) | |
2503 { | |
17600
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diff
changeset
|
2504 long wait_time; |
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diff
changeset
|
2505 int keylen = 0; |
17602
653ab352b019
patch 8.1.1798: warning for unused variable in tiny version
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parents:
17600
diff
changeset
|
2506 #ifdef FEAT_CMDL_INFO |
653ab352b019
patch 8.1.1798: warning for unused variable in tiny version
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17600
diff
changeset
|
2507 int showcmd_idx; |
653ab352b019
patch 8.1.1798: warning for unused variable in tiny version
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diff
changeset
|
2508 #endif |
7 | 2509 /* |
2510 * ui_breakcheck() is slow, don't use it too often when | |
2511 * inside a mapping. But call it each time for typed | |
2512 * characters. | |
2513 */ | |
2514 if (typebuf.tb_maplen) | |
2515 line_breakcheck(); | |
2516 else | |
2517 ui_breakcheck(); /* check for CTRL-C */ | |
2518 if (got_int) | |
2519 { | |
2520 /* flush all input */ | |
12281
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patch 8.0.1020: when a timer calls getchar(1) input is overwritten
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diff
changeset
|
2521 c = inchar(typebuf.tb_buf, typebuf.tb_buflen - 1, 0L); |
17600
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diff
changeset
|
2522 |
7 | 2523 /* |
2524 * If inchar() returns TRUE (script file was active) or we | |
13829
044337cbf854
patch 8.0.1786: no test for 'termwinkey'
Christian Brabandt <cb@256bit.org>
parents:
13762
diff
changeset
|
2525 * are inside a mapping, get out of Insert mode. |
7 | 2526 * Otherwise we behave like having gotten a CTRL-C. |
2527 * As a result typing CTRL-C in insert mode will | |
2528 * really insert a CTRL-C. | |
2529 */ | |
2530 if ((c || typebuf.tb_maplen) | |
2531 && (State & (INSERT + CMDLINE))) | |
2532 c = ESC; | |
2533 else | |
2534 c = Ctrl_C; | |
14909
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patch 8.1.0466: autocmd test fails
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
2535 flush_buffers(FLUSH_INPUT); // flush all typeahead |
7 | 2536 |
988 | 2537 if (advance) |
2538 { | |
2539 /* Also record this character, it might be needed to | |
2540 * get out of Insert mode. */ | |
2541 *typebuf.tb_buf = c; | |
2542 gotchars(typebuf.tb_buf, 1); | |
2543 } | |
7 | 2544 cmd_silent = FALSE; |
2545 | |
2546 break; | |
2547 } | |
2548 else if (typebuf.tb_len > 0) | |
2549 { | |
2550 /* | |
17600
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parents:
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diff
changeset
|
2551 * Check for a mapping in "typebuf". |
7 | 2552 */ |
17600
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diff
changeset
|
2553 map_result_T result = handle_mapping( |
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diff
changeset
|
2554 &keylen, &timedout, &mapdepth); |
7 | 2555 |
17600
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diff
changeset
|
2556 if (result == map_result_retry) |
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changeset
|
2557 // try mapping again |
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diff
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|
2558 continue; |
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parents:
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diff
changeset
|
2559 if (result == map_result_fail) |
7 | 2560 { |
17600
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diff
changeset
|
2561 // failed, use the outer loop |
ca42eb789472
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parents:
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diff
changeset
|
2562 c = -1; |
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patch 8.1.1797: the vgetorpeek() function is too long
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parents:
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diff
changeset
|
2563 break; |
7 | 2564 } |
17600
ca42eb789472
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Bram Moolenaar <Bram@vim.org>
parents:
17594
diff
changeset
|
2565 if (result == map_result_get) |
7 | 2566 { |
2567 /* | |
2568 * get a character: 2. from the typeahead buffer | |
2569 */ | |
17600
ca42eb789472
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Bram Moolenaar <Bram@vim.org>
parents:
17594
diff
changeset
|
2570 c = typebuf.tb_buf[typebuf.tb_off] & 255; |
ca42eb789472
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parents:
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diff
changeset
|
2571 if (advance) /* remove chars from tb_buf */ |
7 | 2572 { |
17600
ca42eb789472
patch 8.1.1797: the vgetorpeek() function is too long
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parents:
17594
diff
changeset
|
2573 cmd_silent = (typebuf.tb_silent > 0); |
ca42eb789472
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parents:
17594
diff
changeset
|
2574 if (typebuf.tb_maplen > 0) |
ca42eb789472
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parents:
17594
diff
changeset
|
2575 KeyTyped = FALSE; |
ca42eb789472
patch 8.1.1797: the vgetorpeek() function is too long
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parents:
17594
diff
changeset
|
2576 else |
7 | 2577 { |
17600
ca42eb789472
patch 8.1.1797: the vgetorpeek() function is too long
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parents:
17594
diff
changeset
|
2578 KeyTyped = TRUE; |
ca42eb789472
patch 8.1.1797: the vgetorpeek() function is too long
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parents:
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diff
changeset
|
2579 /* write char to script file(s) */ |
ca42eb789472
patch 8.1.1797: the vgetorpeek() function is too long
Bram Moolenaar <Bram@vim.org>
parents:
17594
diff
changeset
|
2580 gotchars(typebuf.tb_buf |
ca42eb789472
patch 8.1.1797: the vgetorpeek() function is too long
Bram Moolenaar <Bram@vim.org>
parents:
17594
diff
changeset
|
2581 + typebuf.tb_off, 1); |
7 | 2582 } |
17600
ca42eb789472
patch 8.1.1797: the vgetorpeek() function is too long
Bram Moolenaar <Bram@vim.org>
parents:
17594
diff
changeset
|
2583 KeyNoremap = typebuf.tb_noremap[ |
ca42eb789472
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parents:
17594
diff
changeset
|
2584 typebuf.tb_off]; |
ca42eb789472
patch 8.1.1797: the vgetorpeek() function is too long
Bram Moolenaar <Bram@vim.org>
parents:
17594
diff
changeset
|
2585 del_typebuf(1, 0); |
7 | 2586 } |
17600
ca42eb789472
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2587 break; |
7 | 2588 } |
2589 | |
17600
ca42eb789472
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Bram Moolenaar <Bram@vim.org>
parents:
17594
diff
changeset
|
2590 // not enough characters, get more |
7 | 2591 } |
2592 | |
2593 /* | |
2594 * get a character: 3. from the user - handle <Esc> in Insert mode | |
2595 */ | |
2596 /* | |
11490
6a06738f8948
patch 8.0.0628: cursor disappears after silent mapping
Christian Brabandt <cb@256bit.org>
parents:
11486
diff
changeset
|
2597 * Special case: if we get an <ESC> in insert mode and there |
7 | 2598 * are no more characters at once, we pretend to go out of |
2599 * insert mode. This prevents the one second delay after | |
2600 * typing an <ESC>. If we get something after all, we may | |
2601 * have to redisplay the mode. That the cursor is in the wrong | |
2602 * place does not matter. | |
2603 */ | |
2604 c = 0; | |
2605 #ifdef FEAT_CMDL_INFO | |
2606 new_wcol = curwin->w_wcol; | |
2607 new_wrow = curwin->w_wrow; | |
2608 #endif | |
2609 if ( advance | |
2610 && typebuf.tb_len == 1 | |
2611 && typebuf.tb_buf[typebuf.tb_off] == ESC | |
2612 && !no_mapping | |
2613 && ex_normal_busy == 0 | |
2614 && typebuf.tb_maplen == 0 | |
2615 && (State & INSERT) | |
2672 | 2616 && (p_timeout |
2617 || (keylen == KEYLEN_PART_KEY && p_ttimeout)) | |
7 | 2618 && (c = inchar(typebuf.tb_buf + typebuf.tb_off |
12281
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patch 8.0.1020: when a timer calls getchar(1) input is overwritten
Christian Brabandt <cb@256bit.org>
parents:
11577
diff
changeset
|
2619 + typebuf.tb_len, 3, 25L)) == 0) |
7 | 2620 { |
2621 colnr_T col = 0, vcol; | |
2622 char_u *ptr; | |
2623 | |
643 | 2624 if (mode_displayed) |
7 | 2625 { |
2626 unshowmode(TRUE); | |
2627 mode_deleted = TRUE; | |
2628 } | |
2629 #ifdef FEAT_GUI | |
11490
6a06738f8948
patch 8.0.0628: cursor disappears after silent mapping
Christian Brabandt <cb@256bit.org>
parents:
11486
diff
changeset
|
2630 /* may show a different cursor shape */ |
6a06738f8948
patch 8.0.0628: cursor disappears after silent mapping
Christian Brabandt <cb@256bit.org>
parents:
11486
diff
changeset
|
2631 if (gui.in_use && State != NORMAL && !cmd_silent) |
7 | 2632 { |
2633 int save_State; | |
2634 | |
2635 save_State = State; | |
2636 State = NORMAL; | |
2637 gui_update_cursor(TRUE, FALSE); | |
2638 State = save_State; | |
2639 shape_changed = TRUE; | |
2640 } | |
2641 #endif | |
2642 validate_cursor(); | |
2643 old_wcol = curwin->w_wcol; | |
2644 old_wrow = curwin->w_wrow; | |
2645 | |
2646 /* move cursor left, if possible */ | |
2647 if (curwin->w_cursor.col != 0) | |
2648 { | |
2649 if (curwin->w_wcol > 0) | |
2650 { | |
2651 if (did_ai) | |
2652 { | |
2653 /* | |
2654 * We are expecting to truncate the trailing | |
2655 * white-space, so find the last non-white | |
2656 * character -- webb | |
2657 */ | |
2658 col = vcol = curwin->w_wcol = 0; | |
2659 ptr = ml_get_curline(); | |
2660 while (col < curwin->w_cursor.col) | |
2661 { | |
11129
f4ea50924c6d
patch 8.0.0452: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11026
diff
changeset
|
2662 if (!VIM_ISWHITE(ptr[col])) |
7 | 2663 curwin->w_wcol = vcol; |
5995 | 2664 vcol += lbr_chartabsize(ptr, ptr + col, |
7 | 2665 (colnr_T)vcol); |
2666 if (has_mbyte) | |
474 | 2667 col += (*mb_ptr2len)(ptr + col); |
7 | 2668 else |
2669 ++col; | |
2670 } | |
2671 curwin->w_wrow = curwin->w_cline_row | |
12515
972ea22c946f
patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
2672 + curwin->w_wcol / curwin->w_width; |
972ea22c946f
patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
2673 curwin->w_wcol %= curwin->w_width; |
7 | 2674 curwin->w_wcol += curwin_col_off(); |
2675 col = 0; /* no correction needed */ | |
2676 } | |
2677 else | |
2678 { | |
2679 --curwin->w_wcol; | |
2680 col = curwin->w_cursor.col - 1; | |
2681 } | |
2682 } | |
2683 else if (curwin->w_p_wrap && curwin->w_wrow) | |
2684 { | |
2685 --curwin->w_wrow; | |
12515
972ea22c946f
patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
2686 curwin->w_wcol = curwin->w_width - 1; |
7 | 2687 col = curwin->w_cursor.col - 1; |
2688 } | |
2689 if (has_mbyte && col > 0 && curwin->w_wcol > 0) | |
2690 { | |
2691 /* Correct when the cursor is on the right halve | |
2692 * of a double-wide character. */ | |
2693 ptr = ml_get_curline(); | |
2694 col -= (*mb_head_off)(ptr, ptr + col); | |
2695 if ((*mb_ptr2cells)(ptr + col) > 1) | |
2696 --curwin->w_wcol; | |
2697 } | |
2698 } | |
2699 setcursor(); | |
2700 out_flush(); | |
2701 #ifdef FEAT_CMDL_INFO | |
2702 new_wcol = curwin->w_wcol; | |
2703 new_wrow = curwin->w_wrow; | |
2704 #endif | |
2705 curwin->w_wcol = old_wcol; | |
2706 curwin->w_wrow = old_wrow; | |
2707 } | |
2708 if (c < 0) | |
2709 continue; /* end of input script reached */ | |
6087 | 2710 |
2711 /* Allow mapping for just typed characters. When we get here c | |
2712 * is the number of extra bytes and typebuf.tb_len is 1. */ | |
2713 for (n = 1; n <= c; ++n) | |
2714 typebuf.tb_noremap[typebuf.tb_off + n] = RM_YES; | |
7 | 2715 typebuf.tb_len += c; |
2716 | |
2717 /* buffer full, don't map */ | |
2718 if (typebuf.tb_len >= typebuf.tb_maplen + MAXMAPLEN) | |
2719 { | |
2720 timedout = TRUE; | |
2721 continue; | |
2722 } | |
2723 | |
2724 if (ex_normal_busy > 0) | |
2725 { | |
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Christian Brabandt <cb@256bit.org>
parents:
7821
diff
changeset
|
2726 #ifdef FEAT_CMDWIN |
7 | 2727 static int tc = 0; |
7850
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Christian Brabandt <cb@256bit.org>
parents:
7821
diff
changeset
|
2728 #endif |
7 | 2729 |
2730 /* No typeahead left and inside ":normal". Must return | |
2731 * something to avoid getting stuck. When an incomplete | |
2732 * mapping is present, behave like it timed out. */ | |
2733 if (typebuf.tb_len > 0) | |
2734 { | |
2735 timedout = TRUE; | |
2736 continue; | |
2737 } | |
2738 /* When 'insertmode' is set, ESC just beeps in Insert | |
2739 * mode. Use CTRL-L to make edit() return. | |
2740 * For the command line only CTRL-C always breaks it. | |
2741 * For the cmdline window: Alternate between ESC and | |
2742 * CTRL-C: ESC for most situations and CTRL-C to close the | |
2743 * cmdline window. */ | |
2744 if (p_im && (State & INSERT)) | |
2745 c = Ctrl_L; | |
13829
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|
2746 #ifdef FEAT_TERMINAL |
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diff
changeset
|
2747 else if (terminal_is_active()) |
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diff
changeset
|
2748 c = K_CANCEL; |
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diff
changeset
|
2749 #endif |
7 | 2750 else if ((State & CMDLINE) |
7850
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Christian Brabandt <cb@256bit.org>
parents:
7821
diff
changeset
|
2751 #ifdef FEAT_CMDWIN |
7 | 2752 || (cmdwin_type > 0 && tc == ESC) |
7850
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Christian Brabandt <cb@256bit.org>
parents:
7821
diff
changeset
|
2753 #endif |
7 | 2754 ) |
2755 c = Ctrl_C; | |
2756 else | |
2757 c = ESC; | |
7850
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Christian Brabandt <cb@256bit.org>
parents:
7821
diff
changeset
|
2758 #ifdef FEAT_CMDWIN |
7 | 2759 tc = c; |
7850
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Christian Brabandt <cb@256bit.org>
parents:
7821
diff
changeset
|
2760 #endif |
7 | 2761 break; |
2762 } | |
2763 | |
2764 /* | |
2765 * get a character: 3. from the user - update display | |
2766 */ | |
2767 /* In insert mode a screen update is skipped when characters | |
2768 * are still available. But when those available characters | |
2769 * are part of a mapping, and we are going to do a blocking | |
2770 * wait here. Need to update the screen to display the | |
2721 | 2771 * changed text so far. Also for when 'lazyredraw' is set and |
2772 * redrawing was postponed because there was something in the | |
2773 * input buffer (e.g., termresponse). */ | |
2723 | 2774 if (((State & INSERT) != 0 || p_lz) && (State & CMDLINE) == 0 |
2775 && advance && must_redraw != 0 && !need_wait_return) | |
7 | 2776 { |
2777 update_screen(0); | |
2778 setcursor(); /* put cursor back where it belongs */ | |
2779 } | |
2780 | |
2781 /* | |
2782 * If we have a partial match (and are going to wait for more | |
2783 * input from the user), show the partially matched characters | |
2784 * to the user with showcmd. | |
2785 */ | |
2786 #ifdef FEAT_CMDL_INFO | |
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patch 8.1.1798: warning for unused variable in tiny version
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diff
changeset
|
2787 showcmd_idx = 0; |
7 | 2788 #endif |
2789 c1 = 0; | |
2790 if (typebuf.tb_len > 0 && advance && !exmode_active) | |
2791 { | |
2792 if (((State & (NORMAL | INSERT)) || State == LANGMAP) | |
2793 && State != HITRETURN) | |
2794 { | |
2795 /* this looks nice when typing a dead character map */ | |
2796 if (State & INSERT | |
2797 && ptr2cells(typebuf.tb_buf + typebuf.tb_off | |
2798 + typebuf.tb_len - 1) == 1) | |
2799 { | |
2800 edit_putchar(typebuf.tb_buf[typebuf.tb_off | |
2801 + typebuf.tb_len - 1], FALSE); | |
2802 setcursor(); /* put cursor back where it belongs */ | |
2803 c1 = 1; | |
2804 } | |
2805 #ifdef FEAT_CMDL_INFO | |
2806 /* need to use the col and row from above here */ | |
2807 old_wcol = curwin->w_wcol; | |
2808 old_wrow = curwin->w_wrow; | |
2809 curwin->w_wcol = new_wcol; | |
2810 curwin->w_wrow = new_wrow; | |
2811 push_showcmd(); | |
2812 if (typebuf.tb_len > SHOWCMD_COLS) | |
17602
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patch 8.1.1798: warning for unused variable in tiny version
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2813 showcmd_idx = typebuf.tb_len - SHOWCMD_COLS; |
653ab352b019
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changeset
|
2814 while (showcmd_idx < typebuf.tb_len) |
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2815 (void)add_to_showcmd( |
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patch 8.1.1798: warning for unused variable in tiny version
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parents:
17600
diff
changeset
|
2816 typebuf.tb_buf[typebuf.tb_off + showcmd_idx++]); |
7 | 2817 curwin->w_wcol = old_wcol; |
2818 curwin->w_wrow = old_wrow; | |
2819 #endif | |
2820 } | |
2821 | |
2822 /* this looks nice when typing a dead character map */ | |
2823 if ((State & CMDLINE) | |
2824 #if defined(FEAT_CRYPT) || defined(FEAT_EVAL) | |
2825 && cmdline_star == 0 | |
2826 #endif | |
2827 && ptr2cells(typebuf.tb_buf + typebuf.tb_off | |
2828 + typebuf.tb_len - 1) == 1) | |
2829 { | |
2830 putcmdline(typebuf.tb_buf[typebuf.tb_off | |
2831 + typebuf.tb_len - 1], FALSE); | |
2832 c1 = 1; | |
2833 } | |
2834 } | |
2835 | |
2836 /* | |
2837 * get a character: 3. from the user - get it | |
2838 */ | |
14069
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patch 8.1.0052: when mapping to <Nop> times out the next mapping is skipped
Christian Brabandt <cb@256bit.org>
parents:
14009
diff
changeset
|
2839 if (typebuf.tb_len == 0) |
bc91de20ba43
patch 8.1.0052: when mapping to <Nop> times out the next mapping is skipped
Christian Brabandt <cb@256bit.org>
parents:
14009
diff
changeset
|
2840 // timedout may have been set while waiting for a mapping |
bc91de20ba43
patch 8.1.0052: when mapping to <Nop> times out the next mapping is skipped
Christian Brabandt <cb@256bit.org>
parents:
14009
diff
changeset
|
2841 // that has a <Nop> RHS. |
bc91de20ba43
patch 8.1.0052: when mapping to <Nop> times out the next mapping is skipped
Christian Brabandt <cb@256bit.org>
parents:
14009
diff
changeset
|
2842 timedout = FALSE; |
bc91de20ba43
patch 8.1.0052: when mapping to <Nop> times out the next mapping is skipped
Christian Brabandt <cb@256bit.org>
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14009
diff
changeset
|
2843 |
16227
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patch 8.1.1118: a couple of conditions are hard to understand
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diff
changeset
|
2844 if (advance) |
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diff
changeset
|
2845 { |
a70f0d6686c4
patch 8.1.1118: a couple of conditions are hard to understand
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parents:
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diff
changeset
|
2846 if (typebuf.tb_len == 0 |
a70f0d6686c4
patch 8.1.1118: a couple of conditions are hard to understand
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2847 || !(p_timeout |
a70f0d6686c4
patch 8.1.1118: a couple of conditions are hard to understand
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diff
changeset
|
2848 || (p_ttimeout && keylen == KEYLEN_PART_KEY))) |
a70f0d6686c4
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diff
changeset
|
2849 // blocking wait |
a70f0d6686c4
patch 8.1.1118: a couple of conditions are hard to understand
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diff
changeset
|
2850 wait_time = -1L; |
a70f0d6686c4
patch 8.1.1118: a couple of conditions are hard to understand
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parents:
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diff
changeset
|
2851 else if (keylen == KEYLEN_PART_KEY && p_ttm >= 0) |
a70f0d6686c4
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diff
changeset
|
2852 wait_time = p_ttm; |
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diff
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|
2853 else |
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diff
changeset
|
2854 wait_time = p_tm; |
a70f0d6686c4
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diff
changeset
|
2855 } |
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diff
changeset
|
2856 else |
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diff
changeset
|
2857 wait_time = 0; |
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2858 |
202 | 2859 wait_tb_len = typebuf.tb_len; |
7 | 2860 c = inchar(typebuf.tb_buf + typebuf.tb_off + typebuf.tb_len, |
2861 typebuf.tb_buflen - typebuf.tb_off - typebuf.tb_len - 1, | |
16227
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2862 wait_time); |
7 | 2863 |
2864 #ifdef FEAT_CMDL_INFO | |
17602
653ab352b019
patch 8.1.1798: warning for unused variable in tiny version
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2865 if (showcmd_idx != 0) |
7 | 2866 pop_showcmd(); |
2867 #endif | |
2868 if (c1 == 1) | |
2869 { | |
2870 if (State & INSERT) | |
2871 edit_unputchar(); | |
2872 if (State & CMDLINE) | |
2873 unputcmdline(); | |
3560 | 2874 else |
2875 setcursor(); /* put cursor back where it belongs */ | |
7 | 2876 } |
2877 | |
2878 if (c < 0) | |
2879 continue; /* end of input script reached */ | |
2880 if (c == NUL) /* no character available */ | |
2881 { | |
2882 if (!advance) | |
2883 break; | |
202 | 2884 if (wait_tb_len > 0) /* timed out */ |
7 | 2885 { |
2886 timedout = TRUE; | |
2887 continue; | |
2888 } | |
2889 } | |
2890 else | |
2891 { /* allow mapping for just typed characters */ | |
2892 while (typebuf.tb_buf[typebuf.tb_off | |
2893 + typebuf.tb_len] != NUL) | |
2894 typebuf.tb_noremap[typebuf.tb_off | |
2895 + typebuf.tb_len++] = RM_YES; | |
13380
69517d67421f
patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
13344
diff
changeset
|
2896 #ifdef HAVE_INPUT_METHOD |
7 | 2897 /* Get IM status right after getting keys, not after the |
2898 * timeout for a mapping (focus may be lost by then). */ | |
2899 vgetc_im_active = im_get_status(); | |
2900 #endif | |
2901 } | |
2902 } /* for (;;) */ | |
2903 } /* if (!character from stuffbuf) */ | |
2904 | |
13829
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patch 8.0.1786: no test for 'termwinkey'
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2905 /* if advance is FALSE don't loop on NULs */ |
044337cbf854
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parents:
13762
diff
changeset
|
2906 } while ((c < 0 && c != K_CANCEL) || (advance && c == NUL)); |
7 | 2907 |
2908 /* | |
2909 * The "INSERT" message is taken care of here: | |
2910 * if we return an ESC to exit insert mode, the message is deleted | |
2911 * if we don't return an ESC but deleted the message before, redisplay it | |
2912 */ | |
641 | 2913 if (advance && p_smd && msg_silent == 0 && (State & INSERT)) |
7 | 2914 { |
643 | 2915 if (c == ESC && !mode_deleted && !no_mapping && mode_displayed) |
7 | 2916 { |
2917 if (typebuf.tb_len && !KeyTyped) | |
2918 redraw_cmdline = TRUE; /* delete mode later */ | |
2919 else | |
2920 unshowmode(FALSE); | |
2921 } | |
2922 else if (c != ESC && mode_deleted) | |
2923 { | |
2924 if (typebuf.tb_len && !KeyTyped) | |
2925 redraw_cmdline = TRUE; /* show mode later */ | |
2926 else | |
2927 showmode(); | |
2928 } | |
2929 } | |
2930 #ifdef FEAT_GUI | |
2931 /* may unshow different cursor shape */ | |
11490
6a06738f8948
patch 8.0.0628: cursor disappears after silent mapping
Christian Brabandt <cb@256bit.org>
parents:
11486
diff
changeset
|
2932 if (gui.in_use && shape_changed) |
6a06738f8948
patch 8.0.0628: cursor disappears after silent mapping
Christian Brabandt <cb@256bit.org>
parents:
11486
diff
changeset
|
2933 gui_update_cursor(TRUE, FALSE); |
7 | 2934 #endif |
15995
e7030c0c79cd
patch 8.1.1003: playing back recorded key sequence mistakes key code
Bram Moolenaar <Bram@vim.org>
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15989
diff
changeset
|
2935 if (timedout && c == ESC) |
e7030c0c79cd
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Bram Moolenaar <Bram@vim.org>
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15989
diff
changeset
|
2936 { |
e7030c0c79cd
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parents:
15989
diff
changeset
|
2937 char_u nop_buf[3]; |
e7030c0c79cd
patch 8.1.1003: playing back recorded key sequence mistakes key code
Bram Moolenaar <Bram@vim.org>
parents:
15989
diff
changeset
|
2938 |
e7030c0c79cd
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Bram Moolenaar <Bram@vim.org>
parents:
15989
diff
changeset
|
2939 // When recording there will be no timeout. Add a <Nop> after the ESC |
e7030c0c79cd
patch 8.1.1003: playing back recorded key sequence mistakes key code
Bram Moolenaar <Bram@vim.org>
parents:
15989
diff
changeset
|
2940 // to avoid that it forms a key code with following characters. |
e7030c0c79cd
patch 8.1.1003: playing back recorded key sequence mistakes key code
Bram Moolenaar <Bram@vim.org>
parents:
15989
diff
changeset
|
2941 nop_buf[0] = K_SPECIAL; |
e7030c0c79cd
patch 8.1.1003: playing back recorded key sequence mistakes key code
Bram Moolenaar <Bram@vim.org>
parents:
15989
diff
changeset
|
2942 nop_buf[1] = KS_EXTRA; |
e7030c0c79cd
patch 8.1.1003: playing back recorded key sequence mistakes key code
Bram Moolenaar <Bram@vim.org>
parents:
15989
diff
changeset
|
2943 nop_buf[2] = KE_NOP; |
e7030c0c79cd
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parents:
15989
diff
changeset
|
2944 gotchars(nop_buf, 3); |
e7030c0c79cd
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diff
changeset
|
2945 } |
7 | 2946 |
822 | 2947 --vgetc_busy; |
7 | 2948 |
2949 return c; | |
2950 } | |
2951 | |
2952 /* | |
2953 * inchar() - get one character from | |
2954 * 1. a scriptfile | |
2955 * 2. the keyboard | |
2956 * | |
2957 * As much characters as we can get (upto 'maxlen') are put in "buf" and | |
2958 * NUL terminated (buffer length must be 'maxlen' + 1). | |
2959 * Minimum for "maxlen" is 3!!!! | |
2960 * | |
2961 * "tb_change_cnt" is the value of typebuf.tb_change_cnt if "buf" points into | |
2962 * it. When typebuf.tb_change_cnt changes (e.g., when a message is received | |
2963 * from a remote client) "buf" can no longer be used. "tb_change_cnt" is 0 | |
2964 * otherwise. | |
2965 * | |
2966 * If we got an interrupt all input is read until none is available. | |
2967 * | |
2968 * If wait_time == 0 there is no waiting for the char. | |
2969 * If wait_time == n we wait for n msec for a character to arrive. | |
2970 * If wait_time == -1 we wait forever for a character to arrive. | |
2971 * | |
2972 * Return the number of obtained characters. | |
2973 * Return -1 when end of input script reached. | |
2974 */ | |
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Christian Brabandt <cb@256bit.org>
parents:
9121
diff
changeset
|
2975 static int |
7821
81794242a275
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
2976 inchar( |
81794242a275
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
2977 char_u *buf, |
81794242a275
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
2978 int maxlen, |
12281
2738b0cc5f64
patch 8.0.1020: when a timer calls getchar(1) input is overwritten
Christian Brabandt <cb@256bit.org>
parents:
11577
diff
changeset
|
2979 long wait_time) /* milli seconds */ |
7 | 2980 { |
2981 int len = 0; /* init for GCC */ | |
2982 int retesc = FALSE; /* return ESC with gotint */ | |
2983 int script_char; | |
12281
2738b0cc5f64
patch 8.0.1020: when a timer calls getchar(1) input is overwritten
Christian Brabandt <cb@256bit.org>
parents:
11577
diff
changeset
|
2984 int tb_change_cnt = typebuf.tb_change_cnt; |
7 | 2985 |
2986 if (wait_time == -1L || wait_time > 100L) /* flush output before waiting */ | |
2987 { | |
2988 cursor_on(); | |
13150
808625d4b71b
patch 8.0.1449: slow redrawing with DirectX
Christian Brabandt <cb@256bit.org>
parents:
12924
diff
changeset
|
2989 out_flush_cursor(FALSE, FALSE); |
808625d4b71b
patch 8.0.1449: slow redrawing with DirectX
Christian Brabandt <cb@256bit.org>
parents:
12924
diff
changeset
|
2990 #if defined(FEAT_GUI) && defined(FEAT_MOUSESHAPE) |
808625d4b71b
patch 8.0.1449: slow redrawing with DirectX
Christian Brabandt <cb@256bit.org>
parents:
12924
diff
changeset
|
2991 if (gui.in_use && postponed_mouseshape) |
808625d4b71b
patch 8.0.1449: slow redrawing with DirectX
Christian Brabandt <cb@256bit.org>
parents:
12924
diff
changeset
|
2992 update_mouseshape(-1); |
7 | 2993 #endif |
2994 } | |
2995 | |
2996 /* | |
2997 * Don't reset these when at the hit-return prompt, otherwise a endless | |
2998 * recursive loop may result (write error in swapfile, hit-return, timeout | |
2999 * on char wait, flush swapfile, write error....). | |
3000 */ | |
3001 if (State != HITRETURN) | |
3002 { | |
3003 did_outofmem_msg = FALSE; /* display out of memory message (again) */ | |
3004 did_swapwrite_msg = FALSE; /* display swap file write error again */ | |
3005 } | |
3006 undo_off = FALSE; /* restart undo now */ | |
3007 | |
3008 /* | |
1462 | 3009 * Get a character from a script file if there is one. |
3010 * If interrupted: Stop reading script files, close them all. | |
7 | 3011 */ |
3012 script_char = -1; | |
1462 | 3013 while (scriptin[curscript] != NULL && script_char < 0 |
3014 #ifdef FEAT_EVAL | |
3015 && !ignore_script | |
3016 #endif | |
3017 ) | |
7 | 3018 { |
1618 | 3019 |
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|
3020 #ifdef MESSAGE_QUEUE |
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3021 parse_queued_messages(); |
1618 | 3022 #endif |
3023 | |
7 | 3024 if (got_int || (script_char = getc(scriptin[curscript])) < 0) |
3025 { | |
3026 /* Reached EOF. | |
3027 * Careful: closescript() frees typebuf.tb_buf[] and buf[] may | |
3028 * point inside typebuf.tb_buf[]. Don't use buf[] after this! */ | |
3029 closescript(); | |
3030 /* | |
3031 * When reading script file is interrupted, return an ESC to get | |
3032 * back to normal mode. | |
3033 * Otherwise return -1, because typebuf.tb_buf[] has changed. | |
3034 */ | |
3035 if (got_int) | |
3036 retesc = TRUE; | |
3037 else | |
3038 return -1; | |
3039 } | |
3040 else | |
3041 { | |
3042 buf[0] = script_char; | |
3043 len = 1; | |
3044 } | |
3045 } | |
3046 | |
3047 if (script_char < 0) /* did not get a character from script */ | |
3048 { | |
3049 /* | |
3050 * If we got an interrupt, skip all previously typed characters and | |
3051 * return TRUE if quit reading script file. | |
3052 * Stop reading typeahead when a single CTRL-C was read, | |
3053 * fill_input_buf() returns this when not able to read from stdin. | |
3054 * Don't use buf[] here, closescript() may have freed typebuf.tb_buf[] | |
3055 * and buf may be pointing inside typebuf.tb_buf[]. | |
3056 */ | |
3057 if (got_int) | |
3058 { | |
3059 #define DUM_LEN MAXMAPLEN * 3 + 3 | |
3060 char_u dum[DUM_LEN + 1]; | |
3061 | |
3062 for (;;) | |
3063 { | |
3064 len = ui_inchar(dum, DUM_LEN, 0L, 0); | |
3065 if (len == 0 || (len == 1 && dum[0] == 3)) | |
3066 break; | |
3067 } | |
3068 return retesc; | |
3069 } | |
3070 | |
3071 /* | |
3072 * Always flush the output characters when getting input characters | |
15629
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3073 * from the user and not just peeking. |
7 | 3074 */ |
15629
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3075 if (wait_time == -1L || wait_time > 10L) |
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3076 out_flush(); |
7 | 3077 |
3078 /* | |
3079 * Fill up to a third of the buffer, because each character may be | |
3080 * tripled below. | |
3081 */ | |
3082 len = ui_inchar(buf, maxlen / 3, wait_time, tb_change_cnt); | |
3083 } | |
3084 | |
12281
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3085 /* If the typebuf was changed further down, it is like nothing was added by |
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3086 * this call. */ |
7 | 3087 if (typebuf_changed(tb_change_cnt)) |
3088 return 0; | |
3089 | |
12281
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3090 /* Note the change in the typeahead buffer, this matters for when |
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3091 * vgetorpeek() is called recursively, e.g. using getchar(1) in a timer |
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3092 * function. */ |
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3093 if (len > 0 && ++typebuf.tb_change_cnt == 0) |
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3094 typebuf.tb_change_cnt = 1; |
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3095 |
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|
3096 return fix_input_buffer(buf, len); |
7 | 3097 } |
3098 | |
3099 /* | |
3100 * Fix typed characters for use by vgetc() and check_termcode(). | |
16531
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|
3101 * "buf[]" must have room to triple the number of bytes! |
7 | 3102 * Returns the new length. |
3103 */ | |
3104 int | |
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|
3105 fix_input_buffer(char_u *buf, int len) |
7 | 3106 { |
3107 int i; | |
3108 char_u *p = buf; | |
3109 | |
3110 /* | |
3111 * Two characters are special: NUL and K_SPECIAL. | |
3112 * When compiled With the GUI CSI is also special. | |
3113 * Replace NUL by K_SPECIAL KS_ZERO KE_FILLER | |
3114 * Replace K_SPECIAL by K_SPECIAL KS_SPECIAL KE_FILLER | |
3115 * Replace CSI by K_SPECIAL KS_EXTRA KE_CSI | |
3116 */ | |
3117 for (i = len; --i >= 0; ++p) | |
3118 { | |
3119 #ifdef FEAT_GUI | |
3120 /* When the GUI is used any character can come after a CSI, don't | |
3121 * escape it. */ | |
3122 if (gui.in_use && p[0] == CSI && i >= 2) | |
3123 { | |
3124 p += 2; | |
3125 i -= 2; | |
3126 } | |
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3127 # ifndef MSWIN |
7 | 3128 /* When the GUI is not used CSI needs to be escaped. */ |
3129 else if (!gui.in_use && p[0] == CSI) | |
3130 { | |
3131 mch_memmove(p + 3, p + 1, (size_t)i); | |
3132 *p++ = K_SPECIAL; | |
3133 *p++ = KS_EXTRA; | |
3134 *p = (int)KE_CSI; | |
3135 len += 2; | |
3136 } | |
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|
3137 # endif |
7 | 3138 else |
3139 #endif | |
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|
3140 if (p[0] == NUL || (p[0] == K_SPECIAL |
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3141 // timeout may generate K_CURSORHOLD |
202 | 3142 && (i < 2 || p[1] != KS_EXTRA || p[2] != (int)KE_CURSORHOLD) |
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3143 #if defined(MSWIN) && (!defined(FEAT_GUI) || defined(VIMDLL)) |
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3144 // Win32 console passes modifiers |
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|
3145 && ( |
16451
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3146 # ifdef VIMDLL |
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|
3147 gui.in_use || |
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3148 # endif |
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|
3149 (i < 2 || p[1] != KS_MODIFIER)) |
7 | 3150 #endif |
3151 )) | |
3152 { | |
3153 mch_memmove(p + 3, p + 1, (size_t)i); | |
3154 p[2] = K_THIRD(p[0]); | |
3155 p[1] = K_SECOND(p[0]); | |
3156 p[0] = K_SPECIAL; | |
3157 p += 2; | |
3158 len += 2; | |
3159 } | |
3160 } | |
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|
3161 *p = NUL; // add trailing NUL |
7 | 3162 return len; |
3163 } | |
3164 | |
3165 #if defined(USE_INPUT_BUF) || defined(PROTO) | |
3166 /* | |
3167 * Return TRUE when bytes are in the input buffer or in the typeahead buffer. | |
3168 * Normally the input buffer would be sufficient, but the server_to_input_buf() | |
842 | 3169 * or feedkeys() may insert characters in the typeahead buffer while we are |
841 | 3170 * waiting for input to arrive. |
7 | 3171 */ |
3172 int | |
7821
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Christian Brabandt <cb@256bit.org>
parents:
7801
diff
changeset
|
3173 input_available(void) |
7 | 3174 { |
3175 return (!vim_is_input_buf_empty() | |
841 | 3176 # if defined(FEAT_CLIENTSERVER) || defined(FEAT_EVAL) |
3177 || typebuf_was_filled | |
7 | 3178 # endif |
3179 ); | |
3180 } | |
3181 #endif |