Mercurial > vim
annotate src/winclip.c @ 14428:aab5947be7c5 v8.1.0228
patch 8.1.0228: dropping files is ignored while Vim is busy
commit https://github.com/vim/vim/commit/92d147be959e689f8f58fd5d138a31835e160289
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Jul 29 17:35:23 2018 +0200
patch 8.1.0228: dropping files is ignored while Vim is busy
Problem: Dropping files is ignored while Vim is busy.
Solution: Postpone the effect of dropping files until it's safe.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sun, 29 Jul 2018 17:45:05 +0200 |
| parents | 04eb70c77cf4 |
| children | 62b3805506b3 |
| rev | line source |
|---|---|
|
10042
4aead6a9b7a9
commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
Christian Brabandt <cb@256bit.org>
parents:
8140
diff
changeset
|
1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 4168 | 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 * winclip.c | |
| 12 * | |
|
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patch 8.0.0281: some files are still using ARGSUSED instead of UNUSED
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
13 * Routines for Win32 clipboard handling. |
| 4168 | 14 * Also used by Cygwin, using os_unix.c. |
| 15 */ | |
| 16 | |
| 17 #include "vimio.h" | |
| 18 #include "vim.h" | |
| 19 | |
| 20 /* | |
| 21 * Compile only the clipboard handling features when compiling for cygwin | |
| 22 * posix environment. | |
| 23 */ | |
| 24 #ifdef FEAT_CYGWIN_WIN32_CLIPBOARD | |
| 25 # define WIN3264 | |
| 26 # define WIN32_LEAN_AND_MEAN | |
| 27 # include <windows.h> | |
| 28 # include "winclip.pro" | |
| 29 #endif | |
| 30 | |
| 31 /* | |
| 32 * When generating prototypes for Win32 on Unix, these lines make the syntax | |
| 33 * errors disappear. They do not need to be correct. | |
| 34 */ | |
| 35 #ifdef PROTO | |
| 36 #define WINAPI | |
| 37 #define WINBASEAPI | |
| 38 typedef int DWORD; | |
| 39 typedef int LPBOOL; | |
| 40 typedef int LPCSTR; | |
| 41 typedef int LPCWSTR; | |
| 42 typedef int LPSTR; | |
| 43 typedef int LPWSTR; | |
| 44 typedef int UINT; | |
| 45 #endif | |
| 46 | |
| 47 #if defined(FEAT_MBYTE) || defined(PROTO) | |
| 48 /* | |
| 49 * Convert an UTF-8 string to UTF-16. | |
| 50 * "instr[inlen]" is the input. "inlen" is in bytes. | |
| 51 * When "outstr" is NULL only return the number of UTF-16 words produced. | |
| 52 * Otherwise "outstr" must be a buffer of sufficient size. | |
| 53 * Returns the number of UTF-16 words produced. | |
| 54 */ | |
| 55 int | |
| 56 utf8_to_utf16(char_u *instr, int inlen, short_u *outstr, int *unconvlenp) | |
| 57 { | |
| 58 int outlen = 0; | |
| 59 char_u *p = instr; | |
| 60 int todo = inlen; | |
| 61 int l; | |
| 62 int ch; | |
| 63 | |
| 64 while (todo > 0) | |
| 65 { | |
| 66 /* Only convert if we have a complete sequence. */ | |
| 67 l = utf_ptr2len_len(p, todo); | |
| 68 if (l > todo) | |
| 69 { | |
| 70 /* Return length of incomplete sequence. */ | |
| 71 if (unconvlenp != NULL) | |
| 72 *unconvlenp = todo; | |
| 73 break; | |
| 74 } | |
| 75 | |
| 76 ch = utf_ptr2char(p); | |
| 77 if (ch >= 0x10000) | |
| 78 { | |
| 79 /* non-BMP character, encoding with surrogate pairs */ | |
| 80 ++outlen; | |
| 81 if (outstr != NULL) | |
| 82 { | |
| 83 *outstr++ = (0xD800 - (0x10000 >> 10)) + (ch >> 10); | |
| 84 *outstr++ = 0xDC00 | (ch & 0x3FF); | |
| 85 } | |
| 86 } | |
| 87 else if (outstr != NULL) | |
| 88 *outstr++ = ch; | |
| 89 ++outlen; | |
| 90 p += l; | |
| 91 todo -= l; | |
| 92 } | |
| 93 | |
| 94 return outlen; | |
| 95 } | |
| 96 | |
| 97 /* | |
| 98 * Convert an UTF-16 string to UTF-8. | |
| 99 * The input is "instr[inlen]" with "inlen" in number of UTF-16 words. | |
| 100 * When "outstr" is NULL only return the required number of bytes. | |
| 101 * Otherwise "outstr" must be a buffer of sufficient size. | |
| 102 * Return the number of bytes produced. | |
| 103 */ | |
| 104 int | |
| 105 utf16_to_utf8(short_u *instr, int inlen, char_u *outstr) | |
| 106 { | |
| 107 int outlen = 0; | |
| 108 int todo = inlen; | |
| 109 short_u *p = instr; | |
| 110 int l; | |
| 111 int ch, ch2; | |
| 112 | |
| 113 while (todo > 0) | |
| 114 { | |
| 115 ch = *p; | |
| 116 if (ch >= 0xD800 && ch <= 0xDBFF && todo > 1) | |
| 117 { | |
| 118 /* surrogate pairs handling */ | |
| 119 ch2 = p[1]; | |
| 120 if (ch2 >= 0xDC00 && ch2 <= 0xDFFF) | |
| 121 { | |
| 122 ch = ((ch - 0xD800) << 10) + (ch2 & 0x3FF) + 0x10000; | |
| 123 ++p; | |
| 124 --todo; | |
| 125 } | |
| 126 } | |
| 127 if (outstr != NULL) | |
| 128 { | |
| 129 l = utf_char2bytes(ch, outstr); | |
| 130 outstr += l; | |
| 131 } | |
| 132 else | |
| 133 l = utf_char2len(ch); | |
| 134 ++p; | |
| 135 outlen += l; | |
| 136 --todo; | |
| 137 } | |
| 138 | |
| 139 return outlen; | |
| 140 } | |
| 141 | |
| 142 /* | |
| 143 * Call MultiByteToWideChar() and allocate memory for the result. | |
| 144 * Returns the result in "*out[*outlen]" with an extra zero appended. | |
| 145 * "outlen" is in words. | |
| 146 */ | |
| 147 void | |
| 148 MultiByteToWideChar_alloc(UINT cp, DWORD flags, | |
| 149 LPCSTR in, int inlen, | |
| 150 LPWSTR *out, int *outlen) | |
| 151 { | |
| 152 *outlen = MultiByteToWideChar(cp, flags, in, inlen, 0, 0); | |
| 153 /* Add one one word to avoid a zero-length alloc(). */ | |
| 154 *out = (LPWSTR)alloc(sizeof(WCHAR) * (*outlen + 1)); | |
| 155 if (*out != NULL) | |
| 156 { | |
| 157 MultiByteToWideChar(cp, flags, in, inlen, *out, *outlen); | |
| 158 (*out)[*outlen] = 0; | |
| 159 } | |
| 160 } | |
| 161 | |
| 162 /* | |
| 163 * Call WideCharToMultiByte() and allocate memory for the result. | |
| 164 * Returns the result in "*out[*outlen]" with an extra NUL appended. | |
| 165 */ | |
| 166 void | |
| 167 WideCharToMultiByte_alloc(UINT cp, DWORD flags, | |
| 168 LPCWSTR in, int inlen, | |
| 169 LPSTR *out, int *outlen, | |
| 170 LPCSTR def, LPBOOL useddef) | |
| 171 { | |
| 172 *outlen = WideCharToMultiByte(cp, flags, in, inlen, NULL, 0, def, useddef); | |
| 173 /* Add one one byte to avoid a zero-length alloc(). */ | |
|
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diff
changeset
|
174 *out = (LPSTR)alloc((unsigned)*outlen + 1); |
| 4168 | 175 if (*out != NULL) |
| 176 { | |
| 177 WideCharToMultiByte(cp, flags, in, inlen, *out, *outlen, def, useddef); | |
| 178 (*out)[*outlen] = 0; | |
| 179 } | |
| 180 } | |
| 181 | |
| 182 #endif /* FEAT_MBYTE */ | |
| 183 | |
| 184 #ifdef FEAT_CLIPBOARD | |
| 185 /* | |
| 186 * Clipboard stuff, for cutting and pasting text to other windows. | |
| 187 */ | |
| 188 | |
| 189 void | |
| 190 win_clip_init(void) | |
| 191 { | |
| 192 clip_init(TRUE); | |
| 193 | |
| 194 /* | |
| 195 * Vim's own clipboard format recognises whether the text is char, line, | |
| 196 * or rectangular block. Only useful for copying between two Vims. | |
| 197 * "VimClipboard" was used for previous versions, using the first | |
| 198 * character to specify MCHAR, MLINE or MBLOCK. | |
| 199 */ | |
| 200 clip_star.format = RegisterClipboardFormat("VimClipboard2"); | |
| 201 clip_star.format_raw = RegisterClipboardFormat("VimRawBytes"); | |
| 202 } | |
| 203 | |
| 204 /* Type used for the clipboard type of Vim's data. */ | |
| 205 typedef struct | |
| 206 { | |
| 207 int type; /* MCHAR, MBLOCK or MLINE */ | |
| 208 int txtlen; /* length of CF_TEXT in bytes */ | |
| 209 int ucslen; /* length of CF_UNICODETEXT in words */ | |
| 210 int rawlen; /* length of clip_star.format_raw, including encoding, | |
| 211 excluding terminating NUL */ | |
| 212 } VimClipType_t; | |
| 213 | |
| 214 /* | |
| 215 * Make vim the owner of the current selection. Return OK upon success. | |
| 216 */ | |
| 217 int | |
|
10783
04eb70c77cf4
patch 8.0.0281: some files are still using ARGSUSED instead of UNUSED
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
218 clip_mch_own_selection(VimClipboard *cbd UNUSED) |
| 4168 | 219 { |
| 220 /* | |
| 221 * Never actually own the clipboard. If another application sets the | |
| 222 * clipboard, we don't want to think that we still own it. | |
| 223 */ | |
| 224 return FAIL; | |
| 225 } | |
| 226 | |
| 227 /* | |
| 228 * Make vim NOT the owner of the current selection. | |
| 229 */ | |
| 230 void | |
|
10783
04eb70c77cf4
patch 8.0.0281: some files are still using ARGSUSED instead of UNUSED
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
231 clip_mch_lose_selection(VimClipboard *cbd UNUSED) |
| 4168 | 232 { |
| 233 /* Nothing needs to be done here */ | |
| 234 } | |
| 235 | |
| 236 /* | |
| 237 * Copy "str[*size]" into allocated memory, changing CR-NL to NL. | |
| 238 * Return the allocated result and the size in "*size". | |
| 239 * Returns NULL when out of memory. | |
| 240 */ | |
| 241 static char_u * | |
| 242 crnl_to_nl(const char_u *str, int *size) | |
| 243 { | |
| 244 int pos = 0; | |
| 245 int str_len = *size; | |
| 246 char_u *ret; | |
| 247 char_u *retp; | |
| 248 | |
| 249 /* Avoid allocating zero bytes, it generates an error message. */ | |
| 250 ret = lalloc((long_u)(str_len == 0 ? 1 : str_len), TRUE); | |
| 251 if (ret != NULL) | |
| 252 { | |
| 253 retp = ret; | |
| 254 for (pos = 0; pos < str_len; ++pos) | |
| 255 { | |
| 256 if (str[pos] == '\r' && str[pos + 1] == '\n') | |
| 257 { | |
| 258 ++pos; | |
| 259 --(*size); | |
| 260 } | |
| 261 *retp++ = str[pos]; | |
| 262 } | |
| 263 } | |
| 264 | |
| 265 return ret; | |
| 266 } | |
| 267 | |
| 268 /* | |
| 269 * Wait for another process to Close the Clipboard. | |
| 270 * Returns TRUE for success. | |
| 271 */ | |
| 272 static int | |
| 273 vim_open_clipboard(void) | |
| 274 { | |
| 275 int delay = 10; | |
| 276 | |
| 277 while (!OpenClipboard(NULL)) | |
| 278 { | |
| 279 if (delay > 500) | |
| 280 return FALSE; /* waited too long, give up */ | |
| 281 Sleep(delay); | |
| 282 delay *= 2; /* wait for 10, 20, 40, 80, etc. msec */ | |
| 283 } | |
| 284 return TRUE; | |
| 285 } | |
| 286 | |
| 287 /* | |
| 288 * Get the current selection and put it in the clipboard register. | |
| 289 * | |
| 290 * NOTE: Must use GlobalLock/Unlock here to ensure Win32s compatibility. | |
| 291 * On NT/W95 the clipboard data is a fixed global memory object and | |
| 292 * so its handle = its pointer. | |
| 293 * On Win32s, however, co-operation with the Win16 system means that | |
| 294 * the clipboard data is moveable and its handle is not a pointer at all, | |
| 295 * so we can't just cast the return value of GetClipboardData to (char_u*). | |
| 296 * <VN> | |
| 297 */ | |
| 298 void | |
| 299 clip_mch_request_selection(VimClipboard *cbd) | |
| 300 { | |
| 301 VimClipType_t metadata = { -1, -1, -1, -1 }; | |
| 302 HGLOBAL hMem = NULL; | |
| 303 char_u *str = NULL; | |
| 304 #if defined(FEAT_MBYTE) && defined(WIN3264) | |
| 305 char_u *to_free = NULL; | |
| 306 #endif | |
| 307 #ifdef FEAT_MBYTE | |
| 308 HGLOBAL rawh = NULL; | |
| 309 #endif | |
| 310 int str_size = 0; | |
| 311 int maxlen; | |
| 312 size_t n; | |
| 313 | |
| 314 /* | |
| 315 * Don't pass GetActiveWindow() as an argument to OpenClipboard() because | |
| 316 * then we can't paste back into the same window for some reason - webb. | |
| 317 */ | |
| 318 if (!vim_open_clipboard()) | |
| 319 return; | |
| 320 | |
| 321 /* Check for vim's own clipboard format first. This only gets the type of | |
| 322 * the data, still need to use CF_UNICODETEXT or CF_TEXT for the text. */ | |
| 323 if (IsClipboardFormatAvailable(cbd->format)) | |
| 324 { | |
| 325 VimClipType_t *meta_p; | |
| 326 HGLOBAL meta_h; | |
| 327 | |
| 328 /* We have metadata on the clipboard; try to get it. */ | |
| 329 if ((meta_h = GetClipboardData(cbd->format)) != NULL | |
| 330 && (meta_p = (VimClipType_t *)GlobalLock(meta_h)) != NULL) | |
| 331 { | |
| 332 /* The size of "VimClipType_t" changed, "rawlen" was added later. | |
| 333 * Only copy what is available for backwards compatibility. */ | |
| 334 n = sizeof(VimClipType_t); | |
| 335 if (GlobalSize(meta_h) < n) | |
| 336 n = GlobalSize(meta_h); | |
| 337 memcpy(&metadata, meta_p, n); | |
| 338 GlobalUnlock(meta_h); | |
| 339 } | |
| 340 } | |
| 341 | |
| 342 #ifdef FEAT_MBYTE | |
| 343 /* Check for Vim's raw clipboard format first. This is used without | |
| 344 * conversion, but only if 'encoding' matches. */ | |
| 345 if (IsClipboardFormatAvailable(cbd->format_raw) | |
| 346 && metadata.rawlen > (int)STRLEN(p_enc)) | |
| 347 { | |
| 348 /* We have raw data on the clipboard; try to get it. */ | |
| 349 if ((rawh = GetClipboardData(cbd->format_raw)) != NULL) | |
| 350 { | |
| 351 char_u *rawp; | |
| 352 | |
| 353 rawp = (char_u *)GlobalLock(rawh); | |
| 354 if (rawp != NULL && STRCMP(p_enc, rawp) == 0) | |
| 355 { | |
| 356 n = STRLEN(p_enc) + 1; | |
| 357 str = rawp + n; | |
| 358 str_size = (int)(metadata.rawlen - n); | |
| 359 } | |
| 360 else | |
| 361 { | |
| 362 GlobalUnlock(rawh); | |
| 363 rawh = NULL; | |
| 364 } | |
| 365 } | |
| 366 } | |
| 367 if (str == NULL) | |
| 368 { | |
| 369 #endif | |
| 370 | |
| 371 #if defined(FEAT_MBYTE) && defined(WIN3264) | |
| 372 /* Try to get the clipboard in Unicode if it's not an empty string. */ | |
| 373 if (IsClipboardFormatAvailable(CF_UNICODETEXT) && metadata.ucslen != 0) | |
| 374 { | |
| 375 HGLOBAL hMemW; | |
| 376 | |
| 377 if ((hMemW = GetClipboardData(CF_UNICODETEXT)) != NULL) | |
| 378 { | |
| 379 WCHAR *hMemWstr = (WCHAR *)GlobalLock(hMemW); | |
| 380 | |
| 381 /* Use the length of our metadata if possible, but limit it to the | |
| 382 * GlobalSize() for safety. */ | |
| 383 maxlen = (int)(GlobalSize(hMemW) / sizeof(WCHAR)); | |
| 384 if (metadata.ucslen >= 0) | |
| 385 { | |
| 386 if (metadata.ucslen > maxlen) | |
| 387 str_size = maxlen; | |
| 388 else | |
| 389 str_size = metadata.ucslen; | |
| 390 } | |
| 391 else | |
| 392 { | |
| 393 for (str_size = 0; str_size < maxlen; ++str_size) | |
| 394 if (hMemWstr[str_size] == NUL) | |
| 395 break; | |
| 396 } | |
| 397 to_free = str = utf16_to_enc((short_u *)hMemWstr, &str_size); | |
| 398 GlobalUnlock(hMemW); | |
| 399 } | |
| 400 } | |
| 401 else | |
| 402 #endif | |
| 403 /* Get the clipboard in the Active codepage. */ | |
| 404 if (IsClipboardFormatAvailable(CF_TEXT)) | |
| 405 { | |
| 406 if ((hMem = GetClipboardData(CF_TEXT)) != NULL) | |
| 407 { | |
| 408 str = (char_u *)GlobalLock(hMem); | |
| 409 | |
| 410 /* The length is either what our metadata says or the strlen(). | |
| 411 * But limit it to the GlobalSize() for safety. */ | |
| 412 maxlen = (int)GlobalSize(hMem); | |
| 413 if (metadata.txtlen >= 0) | |
| 414 { | |
| 415 if (metadata.txtlen > maxlen) | |
| 416 str_size = maxlen; | |
| 417 else | |
| 418 str_size = metadata.txtlen; | |
| 419 } | |
| 420 else | |
| 421 { | |
| 422 for (str_size = 0; str_size < maxlen; ++str_size) | |
| 423 if (str[str_size] == NUL) | |
| 424 break; | |
| 425 } | |
| 426 | |
| 427 # if defined(FEAT_MBYTE) && defined(WIN3264) | |
| 428 /* The text is in the active codepage. Convert to 'encoding', | |
| 429 * going through UTF-16. */ | |
| 430 acp_to_enc(str, str_size, &to_free, &maxlen); | |
| 431 if (to_free != NULL) | |
| 432 { | |
| 433 str_size = maxlen; | |
| 434 str = to_free; | |
| 435 } | |
| 436 # endif | |
| 437 } | |
| 438 } | |
| 439 #ifdef FEAT_MBYTE | |
| 440 } | |
| 441 #endif | |
| 442 | |
| 443 if (str != NULL && *str != NUL) | |
| 444 { | |
| 445 char_u *temp_clipboard; | |
| 446 | |
| 447 /* If the type is not known detect it. */ | |
| 448 if (metadata.type == -1) | |
| 449 metadata.type = MAUTO; | |
| 450 | |
| 451 /* Translate <CR><NL> into <NL>. */ | |
| 452 temp_clipboard = crnl_to_nl(str, &str_size); | |
| 453 if (temp_clipboard != NULL) | |
| 454 { | |
| 455 clip_yank_selection(metadata.type, temp_clipboard, str_size, cbd); | |
| 456 vim_free(temp_clipboard); | |
| 457 } | |
| 458 } | |
| 459 | |
| 460 /* unlock the global object */ | |
| 461 if (hMem != NULL) | |
| 462 GlobalUnlock(hMem); | |
| 463 #ifdef FEAT_MBYTE | |
| 464 if (rawh != NULL) | |
| 465 GlobalUnlock(rawh); | |
| 466 #endif | |
| 467 CloseClipboard(); | |
| 468 #if defined(FEAT_MBYTE) && defined(WIN3264) | |
| 469 vim_free(to_free); | |
| 470 #endif | |
| 471 } | |
| 472 | |
| 473 /* | |
| 474 * Send the current selection to the clipboard. | |
| 475 */ | |
| 476 void | |
| 477 clip_mch_set_selection(VimClipboard *cbd) | |
| 478 { | |
| 479 char_u *str = NULL; | |
| 480 VimClipType_t metadata; | |
| 481 long_u txtlen; | |
| 482 HGLOBAL hMemRaw = NULL; | |
| 483 HGLOBAL hMem = NULL; | |
| 484 HGLOBAL hMemVim = NULL; | |
| 485 # if defined(FEAT_MBYTE) && defined(WIN3264) | |
| 486 HGLOBAL hMemW = NULL; | |
| 487 # endif | |
| 488 | |
| 489 /* If the '*' register isn't already filled in, fill it in now */ | |
| 490 cbd->owned = TRUE; | |
| 491 clip_get_selection(cbd); | |
| 492 cbd->owned = FALSE; | |
| 493 | |
| 494 /* Get the text to be put on the clipboard, with CR-LF. */ | |
| 495 metadata.type = clip_convert_selection(&str, &txtlen, cbd); | |
| 496 if (metadata.type < 0) | |
| 497 return; | |
| 498 metadata.txtlen = (int)txtlen; | |
| 499 metadata.ucslen = 0; | |
| 500 metadata.rawlen = 0; | |
| 501 | |
| 502 #ifdef FEAT_MBYTE | |
| 503 /* Always set the raw bytes: 'encoding', NUL and the text. This is used | |
| 504 * when copy/paste from/to Vim with the same 'encoding', so that illegal | |
| 505 * bytes can also be copied and no conversion is needed. */ | |
| 506 { | |
| 507 LPSTR lpszMemRaw; | |
| 508 | |
| 509 metadata.rawlen = (int)(txtlen + STRLEN(p_enc) + 1); | |
| 510 hMemRaw = (LPSTR)GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, | |
| 511 metadata.rawlen + 1); | |
| 512 lpszMemRaw = (LPSTR)GlobalLock(hMemRaw); | |
| 513 if (lpszMemRaw != NULL) | |
| 514 { | |
| 515 STRCPY(lpszMemRaw, p_enc); | |
| 516 memcpy(lpszMemRaw + STRLEN(p_enc) + 1, str, txtlen + 1); | |
| 517 GlobalUnlock(hMemRaw); | |
| 518 } | |
| 519 else | |
| 520 metadata.rawlen = 0; | |
| 521 } | |
| 522 #endif | |
| 523 | |
| 524 # if defined(FEAT_MBYTE) && defined(WIN3264) | |
| 525 { | |
| 526 WCHAR *out; | |
| 527 int len = metadata.txtlen; | |
| 528 | |
| 529 /* Convert the text to UTF-16. This is put on the clipboard as | |
| 530 * CF_UNICODETEXT. */ | |
| 531 out = (WCHAR *)enc_to_utf16(str, &len); | |
| 532 if (out != NULL) | |
| 533 { | |
| 534 WCHAR *lpszMemW; | |
| 535 | |
| 536 /* Convert the text for CF_TEXT to Active codepage. Otherwise it's | |
| 537 * p_enc, which has no relation to the Active codepage. */ | |
| 538 metadata.txtlen = WideCharToMultiByte(GetACP(), 0, out, len, | |
| 539 NULL, 0, 0, 0); | |
| 540 vim_free(str); | |
| 541 str = (char_u *)alloc((unsigned)(metadata.txtlen == 0 ? 1 | |
| 542 : metadata.txtlen)); | |
| 543 if (str == NULL) | |
| 544 { | |
| 545 vim_free(out); | |
| 546 return; /* out of memory */ | |
| 547 } | |
| 548 WideCharToMultiByte(GetACP(), 0, out, len, | |
|
5082
7b20dc804164
updated for version 7.3.1284
Bram Moolenaar <bram@vim.org>
parents:
4168
diff
changeset
|
549 (LPSTR)str, metadata.txtlen, 0, 0); |
| 4168 | 550 |
| 551 /* Allocate memory for the UTF-16 text, add one NUL word to | |
| 552 * terminate the string. */ | |
| 553 hMemW = (LPSTR)GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, | |
| 554 (len + 1) * sizeof(WCHAR)); | |
| 555 lpszMemW = (WCHAR *)GlobalLock(hMemW); | |
| 556 if (lpszMemW != NULL) | |
| 557 { | |
| 558 memcpy(lpszMemW, out, len * sizeof(WCHAR)); | |
| 559 lpszMemW[len] = NUL; | |
| 560 GlobalUnlock(hMemW); | |
| 561 } | |
| 562 vim_free(out); | |
| 563 metadata.ucslen = len; | |
| 564 } | |
| 565 } | |
| 566 # endif | |
| 567 | |
| 568 /* Allocate memory for the text, add one NUL byte to terminate the string. | |
| 569 */ | |
| 570 hMem = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, metadata.txtlen + 1); | |
| 571 { | |
| 572 LPSTR lpszMem = (LPSTR)GlobalLock(hMem); | |
| 573 | |
| 574 if (lpszMem) | |
| 575 { | |
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576 vim_strncpy((char_u *)lpszMem, str, metadata.txtlen); |
| 4168 | 577 GlobalUnlock(hMem); |
| 578 } | |
| 579 } | |
| 580 | |
| 581 /* Set up metadata: */ | |
| 582 { | |
| 583 VimClipType_t *lpszMemVim = NULL; | |
| 584 | |
| 585 hMemVim = GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE, | |
| 586 sizeof(VimClipType_t)); | |
| 587 lpszMemVim = (VimClipType_t *)GlobalLock(hMemVim); | |
| 588 memcpy(lpszMemVim, &metadata, sizeof(metadata)); | |
| 589 GlobalUnlock(hMemVim); | |
| 590 } | |
| 591 | |
| 592 /* | |
| 593 * Open the clipboard, clear it and put our text on it. | |
| 594 * Always set our Vim format. Put Unicode and plain text on it. | |
| 595 * | |
| 596 * Don't pass GetActiveWindow() as an argument to OpenClipboard() | |
| 597 * because then we can't paste back into the same window for some | |
| 598 * reason - webb. | |
| 599 */ | |
| 600 if (vim_open_clipboard()) | |
| 601 { | |
| 602 if (EmptyClipboard()) | |
| 603 { | |
| 604 SetClipboardData(cbd->format, hMemVim); | |
| 605 hMemVim = 0; | |
| 606 # if defined(FEAT_MBYTE) && defined(WIN3264) | |
| 607 if (hMemW != NULL) | |
| 608 { | |
| 609 if (SetClipboardData(CF_UNICODETEXT, hMemW) != NULL) | |
| 610 hMemW = NULL; | |
| 611 } | |
| 612 # endif | |
| 613 /* Always use CF_TEXT. On Win98 Notepad won't obtain the | |
| 614 * CF_UNICODETEXT text, only CF_TEXT. */ | |
| 615 SetClipboardData(CF_TEXT, hMem); | |
| 616 hMem = 0; | |
| 617 } | |
| 618 CloseClipboard(); | |
| 619 } | |
| 620 | |
| 621 vim_free(str); | |
| 622 /* Free any allocations we didn't give to the clipboard: */ | |
| 623 if (hMemRaw) | |
| 624 GlobalFree(hMemRaw); | |
| 625 if (hMem) | |
| 626 GlobalFree(hMem); | |
| 627 # if defined(FEAT_MBYTE) && defined(WIN3264) | |
| 628 if (hMemW) | |
| 629 GlobalFree(hMemW); | |
| 630 # endif | |
| 631 if (hMemVim) | |
| 632 GlobalFree(hMemVim); | |
| 633 } | |
| 634 | |
| 635 #endif /* FEAT_CLIPBOARD */ | |
| 636 | |
| 637 #if defined(FEAT_MBYTE) || defined(PROTO) | |
| 638 /* | |
| 639 * Note: the following two functions are only guaranteed to work when using | |
| 640 * valid MS-Windows codepages or when iconv() is available. | |
| 641 */ | |
| 642 | |
| 643 /* | |
| 644 * Convert "str" from 'encoding' to UTF-16. | |
| 645 * Input in "str" with length "*lenp". When "lenp" is NULL, use strlen(). | |
| 646 * Output is returned as an allocated string. "*lenp" is set to the length of | |
| 647 * the result. A trailing NUL is always added. | |
| 648 * Returns NULL when out of memory. | |
| 649 */ | |
| 650 short_u * | |
| 651 enc_to_utf16(char_u *str, int *lenp) | |
| 652 { | |
| 653 vimconv_T conv; | |
| 654 WCHAR *ret; | |
| 655 char_u *allocbuf = NULL; | |
| 656 int len_loc; | |
| 657 int length; | |
| 658 | |
| 659 if (lenp == NULL) | |
| 660 { | |
| 661 len_loc = (int)STRLEN(str) + 1; | |
| 662 lenp = &len_loc; | |
| 663 } | |
| 664 | |
| 665 if (enc_codepage > 0) | |
| 666 { | |
| 667 /* We can do any CP### -> UTF-16 in one pass, and we can do it | |
| 668 * without iconv() (convert_* may need iconv). */ | |
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669 MultiByteToWideChar_alloc(enc_codepage, 0, (LPCSTR)str, *lenp, |
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670 &ret, &length); |
| 4168 | 671 } |
| 672 else | |
| 673 { | |
| 674 /* Use "latin1" by default, we might be called before we have p_enc | |
| 675 * set up. Convert to utf-8 first, works better with iconv(). Does | |
| 676 * nothing if 'encoding' is "utf-8". */ | |
| 677 conv.vc_type = CONV_NONE; | |
| 678 if (convert_setup(&conv, p_enc ? p_enc : (char_u *)"latin1", | |
| 679 (char_u *)"utf-8") == FAIL) | |
| 680 return NULL; | |
| 681 if (conv.vc_type != CONV_NONE) | |
| 682 { | |
| 683 str = allocbuf = string_convert(&conv, str, lenp); | |
| 684 if (str == NULL) | |
| 685 return NULL; | |
| 686 } | |
| 687 convert_setup(&conv, NULL, NULL); | |
| 688 | |
| 689 length = utf8_to_utf16(str, *lenp, NULL, NULL); | |
| 690 ret = (WCHAR *)alloc((unsigned)((length + 1) * sizeof(WCHAR))); | |
| 691 if (ret != NULL) | |
| 692 { | |
| 693 utf8_to_utf16(str, *lenp, (short_u *)ret, NULL); | |
| 694 ret[length] = 0; | |
| 695 } | |
| 696 | |
| 697 vim_free(allocbuf); | |
| 698 } | |
| 699 | |
| 700 *lenp = length; | |
| 701 return (short_u *)ret; | |
| 702 } | |
| 703 | |
| 704 /* | |
| 705 * Convert an UTF-16 string to 'encoding'. | |
| 706 * Input in "str" with length (counted in wide characters) "*lenp". When | |
| 707 * "lenp" is NULL, use wcslen(). | |
| 708 * Output is returned as an allocated string. If "*lenp" is not NULL it is | |
| 709 * set to the length of the result. | |
| 710 * Returns NULL when out of memory. | |
| 711 */ | |
| 712 char_u * | |
| 713 utf16_to_enc(short_u *str, int *lenp) | |
| 714 { | |
| 715 vimconv_T conv; | |
| 716 char_u *utf8_str = NULL, *enc_str = NULL; | |
| 717 int len_loc; | |
| 718 | |
| 719 if (lenp == NULL) | |
| 720 { | |
| 721 len_loc = (int)wcslen(str) + 1; | |
| 722 lenp = &len_loc; | |
| 723 } | |
| 724 | |
| 725 if (enc_codepage > 0) | |
| 726 { | |
| 727 /* We can do any UTF-16 -> CP### in one pass. */ | |
| 728 int length; | |
| 729 | |
| 730 WideCharToMultiByte_alloc(enc_codepage, 0, str, *lenp, | |
| 731 (LPSTR *)&enc_str, &length, 0, 0); | |
| 732 *lenp = length; | |
| 733 return enc_str; | |
| 734 } | |
| 735 | |
| 736 /* Avoid allocating zero bytes, it generates an error message. */ | |
| 737 utf8_str = alloc(utf16_to_utf8(str, *lenp == 0 ? 1 : *lenp, NULL)); | |
| 738 if (utf8_str != NULL) | |
| 739 { | |
| 740 *lenp = utf16_to_utf8(str, *lenp, utf8_str); | |
| 741 | |
| 742 /* We might be called before we have p_enc set up. */ | |
| 743 conv.vc_type = CONV_NONE; | |
| 744 convert_setup(&conv, (char_u *)"utf-8", | |
| 745 p_enc? p_enc: (char_u *)"latin1"); | |
| 746 if (conv.vc_type == CONV_NONE) | |
| 747 { | |
| 748 /* p_enc is utf-8, so we're done. */ | |
| 749 enc_str = utf8_str; | |
| 750 } | |
| 751 else | |
| 752 { | |
| 753 enc_str = string_convert(&conv, utf8_str, lenp); | |
| 754 vim_free(utf8_str); | |
| 755 } | |
| 756 | |
| 757 convert_setup(&conv, NULL, NULL); | |
| 758 } | |
| 759 | |
| 760 return enc_str; | |
| 761 } | |
| 762 #endif /* FEAT_MBYTE */ | |
| 763 | |
| 764 #if (defined(FEAT_MBYTE) && defined(WIN3264)) || defined(PROTO) | |
| 765 /* | |
| 766 * Convert from the active codepage to 'encoding'. | |
| 767 * Input is "str[str_size]". | |
| 768 * The result is in allocated memory: "out[outlen]". With terminating NUL. | |
| 769 */ | |
| 770 void | |
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771 acp_to_enc( |
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772 char_u *str, |
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773 int str_size, |
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774 char_u **out, |
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775 int *outlen) |
| 4168 | 776 |
| 777 { | |
| 778 LPWSTR widestr; | |
| 779 | |
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780 MultiByteToWideChar_alloc(GetACP(), 0, (LPCSTR)str, str_size, |
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781 &widestr, outlen); |
| 4168 | 782 if (widestr != NULL) |
| 783 { | |
| 784 ++*outlen; /* Include the 0 after the string */ | |
| 785 *out = utf16_to_enc((short_u *)widestr, outlen); | |
| 786 vim_free(widestr); | |
| 787 } | |
| 788 } | |
| 5714 | 789 |
| 790 /* | |
| 791 * Convert from 'encoding' to the active codepage. | |
| 792 * Input is "str[str_size]". | |
| 793 * The result is in allocated memory: "out[outlen]". With terminating NUL. | |
| 794 */ | |
| 795 void | |
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796 enc_to_acp( |
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797 char_u *str, |
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798 int str_size, |
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799 char_u **out, |
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800 int *outlen) |
| 5714 | 801 |
| 802 { | |
| 803 LPWSTR widestr; | |
| 804 int len = str_size; | |
| 805 | |
| 806 widestr = (WCHAR *)enc_to_utf16(str, &len); | |
| 807 if (widestr != NULL) | |
| 808 { | |
| 809 WideCharToMultiByte_alloc(GetACP(), 0, widestr, len, | |
| 810 (LPSTR *)out, outlen, 0, 0); | |
| 811 vim_free(widestr); | |
| 812 } | |
| 813 } | |
| 4168 | 814 #endif |