| 1 | /* |
| 2 | *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved. |
| 3 | *Copyright (C) Colin Harrison 2005-2008 |
| 4 | * |
| 5 | *Permission is hereby granted, free of charge, to any person obtaining |
| 6 | * a copy of this software and associated documentation files (the |
| 7 | *"Software"), to deal in the Software without restriction, including |
| 8 | *without limitation the rights to use, copy, modify, merge, publish, |
| 9 | *distribute, sublicense, and/or sell copies of the Software, and to |
| 10 | *permit persons to whom the Software is furnished to do so, subject to |
| 11 | *the following conditions: |
| 12 | * |
| 13 | *The above copyright notice and this permission notice shall be |
| 14 | *included in all copies or substantial portions of the Software. |
| 15 | * |
| 16 | *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 17 | *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 18 | *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 19 | *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR |
| 20 | *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF |
| 21 | *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 22 | *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | *Except as contained in this notice, the name of the copyright holder(s) |
| 25 | *and author(s) shall not be used in advertising or otherwise to promote |
| 26 | *the sale, use or other dealings in this Software without prior written |
| 27 | *authorization from the copyright holder(s) and author(s). |
| 28 | * |
| 29 | * Authors: Harold L Hunt II |
| 30 | * Colin Harrison |
| 31 | */ |
| 32 | |
| 33 | #ifdef HAVE_XWIN_CONFIG_H |
| 34 | #include <xwin-config.h> |
| 35 | #endif |
| 36 | #include "winclipboard.h" |
| 37 | #include "misc.h" |
| 38 | |
| 39 | /* |
| 40 | * Process any pending X events |
| 41 | */ |
| 42 | |
| 43 | int |
| 44 | winClipboardFlushXEvents(HWND hwnd, |
| 45 | int iWindow, Display * pDisplay, Bool fUseUnicode) |
| 46 | { |
| 47 | static Atom atomLocalProperty; |
| 48 | static Atom atomCompoundText; |
| 49 | static Atom atomUTF8String; |
| 50 | static Atom atomTargets; |
| 51 | static int generation; |
| 52 | |
| 53 | if (generation != serverGeneration) { |
| 54 | generation = serverGeneration; |
| 55 | atomLocalProperty = XInternAtom(pDisplay, WIN_LOCAL_PROPERTY, False); |
| 56 | atomUTF8String = XInternAtom(pDisplay, "UTF8_STRING", False); |
| 57 | atomCompoundText = XInternAtom(pDisplay, "COMPOUND_TEXT", False); |
| 58 | atomTargets = XInternAtom(pDisplay, "TARGETS", False); |
| 59 | } |
| 60 | |
| 61 | /* Process all pending events */ |
| 62 | while (XPending(pDisplay)) { |
| 63 | XTextProperty xtpText = { 0 }; |
| 64 | XEvent event; |
| 65 | XSelectionEvent eventSelection; |
| 66 | unsigned long ulReturnBytesLeft; |
| 67 | char *pszReturnData = NULL; |
| 68 | char *pszGlobalData = NULL; |
| 69 | int iReturn; |
| 70 | HGLOBAL hGlobal = NULL; |
| 71 | XICCEncodingStyle xiccesStyle; |
| 72 | int iConvertDataLen = 0; |
| 73 | char *pszConvertData = NULL; |
| 74 | char *pszTextList[2] = { NULL }; |
| 75 | int iCount; |
| 76 | char **ppszTextList = NULL; |
| 77 | wchar_t *pwszUnicodeStr = NULL; |
| 78 | int iUnicodeLen = 0; |
| 79 | int iReturnDataLen = 0; |
| 80 | int i; |
| 81 | Bool fAbort = FALSE; |
| 82 | Bool fCloseClipboard = FALSE; |
| 83 | Bool fSetClipboardData = TRUE; |
| 84 | |
| 85 | /* Get the next event - will not block because one is ready */ |
| 86 | XNextEvent(pDisplay, &event); |
| 87 | |
| 88 | /* Branch on the event type */ |
| 89 | switch (event.type) { |
| 90 | /* |
| 91 | * SelectionRequest |
| 92 | */ |
| 93 | |
| 94 | case SelectionRequest: |
| 95 | { |
| 96 | char *pszAtomName = NULL; |
| 97 | |
| 98 | winDebug("SelectionRequest - target %d\n", |
| 99 | event.xselectionrequest.target); |
| 100 | |
| 101 | pszAtomName = XGetAtomName(pDisplay, |
| 102 | event.xselectionrequest.target); |
| 103 | winDebug("SelectionRequest - Target atom name %s\n", pszAtomName); |
| 104 | XFree(pszAtomName); |
| 105 | pszAtomName = NULL; |
| 106 | } |
| 107 | |
| 108 | /* Abort if invalid target type */ |
| 109 | if (event.xselectionrequest.target != XA_STRING |
| 110 | && event.xselectionrequest.target != atomUTF8String |
| 111 | && event.xselectionrequest.target != atomCompoundText |
| 112 | && event.xselectionrequest.target != atomTargets) { |
| 113 | /* Abort */ |
| 114 | fAbort = TRUE; |
| 115 | goto winClipboardFlushXEvents_SelectionRequest_Done; |
| 116 | } |
| 117 | |
| 118 | /* Handle targets type of request */ |
| 119 | if (event.xselectionrequest.target == atomTargets) { |
| 120 | Atom atomTargetArr[] = { atomTargets, |
| 121 | atomCompoundText, |
| 122 | atomUTF8String, |
| 123 | XA_STRING |
| 124 | }; |
| 125 | |
| 126 | /* Try to change the property */ |
| 127 | iReturn = XChangeProperty(pDisplay, |
| 128 | event.xselectionrequest.requestor, |
| 129 | event.xselectionrequest.property, |
| 130 | XA_ATOM, |
| 131 | 32, |
| 132 | PropModeReplace, |
| 133 | (unsigned char *) atomTargetArr, |
| 134 | (sizeof(atomTargetArr) |
| 135 | / sizeof(atomTargetArr[0]))); |
| 136 | if (iReturn == BadAlloc |
| 137 | || iReturn == BadAtom |
| 138 | || iReturn == BadMatch |
| 139 | || iReturn == BadValue || iReturn == BadWindow) { |
| 140 | ErrorF("winClipboardFlushXEvents - SelectionRequest - " |
| 141 | "XChangeProperty failed: %d\n", iReturn); |
| 142 | } |
| 143 | |
| 144 | /* Setup selection notify xevent */ |
| 145 | eventSelection.type = SelectionNotify; |
| 146 | eventSelection.send_event = True; |
| 147 | eventSelection.display = pDisplay; |
| 148 | eventSelection.requestor = event.xselectionrequest.requestor; |
| 149 | eventSelection.selection = event.xselectionrequest.selection; |
| 150 | eventSelection.target = event.xselectionrequest.target; |
| 151 | eventSelection.property = event.xselectionrequest.property; |
| 152 | eventSelection.time = event.xselectionrequest.time; |
| 153 | |
| 154 | /* |
| 155 | * Notify the requesting window that |
| 156 | * the operation has completed |
| 157 | */ |
| 158 | iReturn = XSendEvent(pDisplay, |
| 159 | eventSelection.requestor, |
| 160 | False, 0L, (XEvent *) &eventSelection); |
| 161 | if (iReturn == BadValue || iReturn == BadWindow) { |
| 162 | ErrorF("winClipboardFlushXEvents - SelectionRequest - " |
| 163 | "XSendEvent () failed\n"); |
| 164 | } |
| 165 | break; |
| 166 | } |
| 167 | |
| 168 | /* Close clipboard if we have it open already */ |
| 169 | if (GetOpenClipboardWindow() == hwnd) { |
| 170 | CloseClipboard(); |
| 171 | } |
| 172 | |
| 173 | /* Access the clipboard */ |
| 174 | if (!OpenClipboard(hwnd)) { |
| 175 | ErrorF("winClipboardFlushXEvents - SelectionRequest - " |
| 176 | "OpenClipboard () failed: %08lx\n", GetLastError()); |
| 177 | |
| 178 | /* Abort */ |
| 179 | fAbort = TRUE; |
| 180 | goto winClipboardFlushXEvents_SelectionRequest_Done; |
| 181 | } |
| 182 | |
| 183 | /* Indicate that clipboard was opened */ |
| 184 | fCloseClipboard = TRUE; |
| 185 | |
| 186 | /* Check that clipboard format is available */ |
| 187 | if (fUseUnicode && !IsClipboardFormatAvailable(CF_UNICODETEXT)) { |
| 188 | static int count; /* Hack to stop acroread spamming the log */ |
| 189 | static HWND lasthwnd; /* I've not seen any other client get here repeatedly? */ |
| 190 | |
| 191 | if (hwnd != lasthwnd) |
| 192 | count = 0; |
| 193 | count++; |
| 194 | if (count < 6) |
| 195 | ErrorF("winClipboardFlushXEvents - CF_UNICODETEXT is not " |
| 196 | "available from Win32 clipboard. Aborting %d.\n", |
| 197 | count); |
| 198 | lasthwnd = hwnd; |
| 199 | |
| 200 | /* Abort */ |
| 201 | fAbort = TRUE; |
| 202 | goto winClipboardFlushXEvents_SelectionRequest_Done; |
| 203 | } |
| 204 | else if (!fUseUnicode && !IsClipboardFormatAvailable(CF_TEXT)) { |
| 205 | ErrorF("winClipboardFlushXEvents - CF_TEXT is not " |
| 206 | "available from Win32 clipboard. Aborting.\n"); |
| 207 | |
| 208 | /* Abort */ |
| 209 | fAbort = TRUE; |
| 210 | goto winClipboardFlushXEvents_SelectionRequest_Done; |
| 211 | } |
| 212 | |
| 213 | /* Setup the string style */ |
| 214 | if (event.xselectionrequest.target == XA_STRING) |
| 215 | xiccesStyle = XStringStyle; |
| 216 | #ifdef X_HAVE_UTF8_STRING |
| 217 | else if (event.xselectionrequest.target == atomUTF8String) |
| 218 | xiccesStyle = XUTF8StringStyle; |
| 219 | #endif |
| 220 | else if (event.xselectionrequest.target == atomCompoundText) |
| 221 | xiccesStyle = XCompoundTextStyle; |
| 222 | else |
| 223 | xiccesStyle = XStringStyle; |
| 224 | |
| 225 | /* Get a pointer to the clipboard text, in desired format */ |
| 226 | if (fUseUnicode) { |
| 227 | /* Retrieve clipboard data */ |
| 228 | hGlobal = GetClipboardData(CF_UNICODETEXT); |
| 229 | } |
| 230 | else { |
| 231 | /* Retrieve clipboard data */ |
| 232 | hGlobal = GetClipboardData(CF_TEXT); |
| 233 | } |
| 234 | if (!hGlobal) { |
| 235 | ErrorF("winClipboardFlushXEvents - SelectionRequest - " |
| 236 | "GetClipboardData () failed: %08lx\n", GetLastError()); |
| 237 | |
| 238 | /* Abort */ |
| 239 | fAbort = TRUE; |
| 240 | goto winClipboardFlushXEvents_SelectionRequest_Done; |
| 241 | } |
| 242 | pszGlobalData = (char *) GlobalLock(hGlobal); |
| 243 | |
| 244 | /* Convert the Unicode string to UTF8 (MBCS) */ |
| 245 | if (fUseUnicode) { |
| 246 | iConvertDataLen = WideCharToMultiByte(CP_UTF8, |
| 247 | 0, |
| 248 | (LPCWSTR) pszGlobalData, |
| 249 | -1, NULL, 0, NULL, NULL); |
| 250 | /* NOTE: iConvertDataLen includes space for null terminator */ |
| 251 | pszConvertData = (char *) malloc(iConvertDataLen); |
| 252 | WideCharToMultiByte(CP_UTF8, |
| 253 | 0, |
| 254 | (LPCWSTR) pszGlobalData, |
| 255 | -1, |
| 256 | pszConvertData, |
| 257 | iConvertDataLen, NULL, NULL); |
| 258 | } |
| 259 | else { |
| 260 | pszConvertData = strdup(pszGlobalData); |
| 261 | iConvertDataLen = strlen(pszConvertData) + 1; |
| 262 | } |
| 263 | |
| 264 | /* Convert DOS string to UNIX string */ |
| 265 | winClipboardDOStoUNIX(pszConvertData, strlen(pszConvertData)); |
| 266 | |
| 267 | /* Setup our text list */ |
| 268 | pszTextList[0] = pszConvertData; |
| 269 | pszTextList[1] = NULL; |
| 270 | |
| 271 | /* Initialize the text property */ |
| 272 | xtpText.value = NULL; |
| 273 | xtpText.nitems = 0; |
| 274 | |
| 275 | /* Create the text property from the text list */ |
| 276 | if (fUseUnicode) { |
| 277 | #ifdef X_HAVE_UTF8_STRING |
| 278 | iReturn = Xutf8TextListToTextProperty(pDisplay, |
| 279 | pszTextList, |
| 280 | 1, xiccesStyle, &xtpText); |
| 281 | #endif |
| 282 | } |
| 283 | else { |
| 284 | iReturn = XmbTextListToTextProperty(pDisplay, |
| 285 | pszTextList, |
| 286 | 1, xiccesStyle, &xtpText); |
| 287 | } |
| 288 | if (iReturn == XNoMemory || iReturn == XLocaleNotSupported) { |
| 289 | ErrorF("winClipboardFlushXEvents - SelectionRequest - " |
| 290 | "X*TextListToTextProperty failed: %d\n", iReturn); |
| 291 | |
| 292 | /* Abort */ |
| 293 | fAbort = TRUE; |
| 294 | goto winClipboardFlushXEvents_SelectionRequest_Done; |
| 295 | } |
| 296 | |
| 297 | /* Free the converted string */ |
| 298 | free(pszConvertData); |
| 299 | pszConvertData = NULL; |
| 300 | |
| 301 | /* Copy the clipboard text to the requesting window */ |
| 302 | iReturn = XChangeProperty(pDisplay, |
| 303 | event.xselectionrequest.requestor, |
| 304 | event.xselectionrequest.property, |
| 305 | event.xselectionrequest.target, |
| 306 | 8, |
| 307 | PropModeReplace, |
| 308 | xtpText.value, xtpText.nitems); |
| 309 | if (iReturn == BadAlloc || iReturn == BadAtom |
| 310 | || iReturn == BadMatch || iReturn == BadValue |
| 311 | || iReturn == BadWindow) { |
| 312 | ErrorF("winClipboardFlushXEvents - SelectionRequest - " |
| 313 | "XChangeProperty failed: %d\n", iReturn); |
| 314 | |
| 315 | /* Abort */ |
| 316 | fAbort = TRUE; |
| 317 | goto winClipboardFlushXEvents_SelectionRequest_Done; |
| 318 | } |
| 319 | |
| 320 | /* Release the clipboard data */ |
| 321 | GlobalUnlock(hGlobal); |
| 322 | pszGlobalData = NULL; |
| 323 | fCloseClipboard = FALSE; |
| 324 | CloseClipboard(); |
| 325 | |
| 326 | /* Clean up */ |
| 327 | XFree(xtpText.value); |
| 328 | xtpText.value = NULL; |
| 329 | xtpText.nitems = 0; |
| 330 | |
| 331 | /* Setup selection notify event */ |
| 332 | eventSelection.type = SelectionNotify; |
| 333 | eventSelection.send_event = True; |
| 334 | eventSelection.display = pDisplay; |
| 335 | eventSelection.requestor = event.xselectionrequest.requestor; |
| 336 | eventSelection.selection = event.xselectionrequest.selection; |
| 337 | eventSelection.target = event.xselectionrequest.target; |
| 338 | eventSelection.property = event.xselectionrequest.property; |
| 339 | eventSelection.time = event.xselectionrequest.time; |
| 340 | |
| 341 | /* Notify the requesting window that the operation has completed */ |
| 342 | iReturn = XSendEvent(pDisplay, |
| 343 | eventSelection.requestor, |
| 344 | False, 0L, (XEvent *) &eventSelection); |
| 345 | if (iReturn == BadValue || iReturn == BadWindow) { |
| 346 | ErrorF("winClipboardFlushXEvents - SelectionRequest - " |
| 347 | "XSendEvent () failed\n"); |
| 348 | |
| 349 | /* Abort */ |
| 350 | fAbort = TRUE; |
| 351 | goto winClipboardFlushXEvents_SelectionRequest_Done; |
| 352 | } |
| 353 | |
| 354 | winClipboardFlushXEvents_SelectionRequest_Done: |
| 355 | /* Free allocated resources */ |
| 356 | if (xtpText.value) { |
| 357 | XFree(xtpText.value); |
| 358 | xtpText.value = NULL; |
| 359 | xtpText.nitems = 0; |
| 360 | } |
| 361 | free(pszConvertData); |
| 362 | if (hGlobal && pszGlobalData) |
| 363 | GlobalUnlock(hGlobal); |
| 364 | |
| 365 | /* |
| 366 | * Send a SelectionNotify event to the requesting |
| 367 | * client when we abort. |
| 368 | */ |
| 369 | if (fAbort) { |
| 370 | /* Setup selection notify event */ |
| 371 | eventSelection.type = SelectionNotify; |
| 372 | eventSelection.send_event = True; |
| 373 | eventSelection.display = pDisplay; |
| 374 | eventSelection.requestor = event.xselectionrequest.requestor; |
| 375 | eventSelection.selection = event.xselectionrequest.selection; |
| 376 | eventSelection.target = event.xselectionrequest.target; |
| 377 | eventSelection.property = None; |
| 378 | eventSelection.time = event.xselectionrequest.time; |
| 379 | |
| 380 | /* Notify the requesting window that the operation is complete */ |
| 381 | iReturn = XSendEvent(pDisplay, |
| 382 | eventSelection.requestor, |
| 383 | False, 0L, (XEvent *) &eventSelection); |
| 384 | if (iReturn == BadValue || iReturn == BadWindow) { |
| 385 | /* |
| 386 | * Should not be a problem if XSendEvent fails because |
| 387 | * the client may simply have exited. |
| 388 | */ |
| 389 | ErrorF("winClipboardFlushXEvents - SelectionRequest - " |
| 390 | "XSendEvent () failed for abort event.\n"); |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | /* Close clipboard if it was opened */ |
| 395 | if (fCloseClipboard) { |
| 396 | fCloseClipboard = FALSE; |
| 397 | CloseClipboard(); |
| 398 | } |
| 399 | break; |
| 400 | |
| 401 | /* |
| 402 | * SelectionNotify |
| 403 | */ |
| 404 | |
| 405 | case SelectionNotify: |
| 406 | |
| 407 | winDebug("winClipboardFlushXEvents - SelectionNotify\n"); |
| 408 | { |
| 409 | char *pszAtomName; |
| 410 | |
| 411 | pszAtomName = XGetAtomName(pDisplay, |
| 412 | event.xselection.selection); |
| 413 | |
| 414 | winDebug |
| 415 | ("winClipboardFlushXEvents - SelectionNotify - ATOM: %s\n", |
| 416 | pszAtomName); |
| 417 | XFree(pszAtomName); |
| 418 | } |
| 419 | |
| 420 | /* |
| 421 | * Request conversion of UTF8 and CompoundText targets. |
| 422 | */ |
| 423 | if (event.xselection.property == None) { |
| 424 | if (event.xselection.target == XA_STRING) { |
| 425 | winDebug("winClipboardFlushXEvents - SelectionNotify - " |
| 426 | "XA_STRING\n"); |
| 427 | |
| 428 | return WIN_XEVENTS_CONVERT; |
| 429 | } |
| 430 | else if (event.xselection.target == atomUTF8String) { |
| 431 | winDebug("winClipboardFlushXEvents - SelectionNotify - " |
| 432 | "Requesting conversion of UTF8 target.\n"); |
| 433 | |
| 434 | XConvertSelection(pDisplay, |
| 435 | event.xselection.selection, |
| 436 | XA_STRING, |
| 437 | atomLocalProperty, iWindow, CurrentTime); |
| 438 | |
| 439 | /* Process the ConvertSelection event */ |
| 440 | XFlush(pDisplay); |
| 441 | return WIN_XEVENTS_CONVERT; |
| 442 | } |
| 443 | #ifdef X_HAVE_UTF8_STRING |
| 444 | else if (event.xselection.target == atomCompoundText) { |
| 445 | winDebug("winClipboardFlushXEvents - SelectionNotify - " |
| 446 | "Requesting conversion of CompoundText target.\n"); |
| 447 | |
| 448 | XConvertSelection(pDisplay, |
| 449 | event.xselection.selection, |
| 450 | atomUTF8String, |
| 451 | atomLocalProperty, iWindow, CurrentTime); |
| 452 | |
| 453 | /* Process the ConvertSelection event */ |
| 454 | XFlush(pDisplay); |
| 455 | return WIN_XEVENTS_CONVERT; |
| 456 | } |
| 457 | #endif |
| 458 | else { |
| 459 | ErrorF("winClipboardFlushXEvents - SelectionNotify - " |
| 460 | "Unknown format. Cannot request conversion, " |
| 461 | "aborting.\n"); |
| 462 | break; |
| 463 | } |
| 464 | } |
| 465 | |
| 466 | /* Retrieve the size of the stored data */ |
| 467 | iReturn = XGetWindowProperty(pDisplay, iWindow, atomLocalProperty, 0, 0, /* Don't get data, just size */ |
| 468 | False, |
| 469 | AnyPropertyType, |
| 470 | &xtpText.encoding, |
| 471 | &xtpText.format, |
| 472 | &xtpText.nitems, |
| 473 | &ulReturnBytesLeft, &xtpText.value); |
| 474 | if (iReturn != Success) { |
| 475 | ErrorF("winClipboardFlushXEvents - SelectionNotify - " |
| 476 | "XGetWindowProperty () failed, aborting: %d\n", iReturn); |
| 477 | break; |
| 478 | } |
| 479 | |
| 480 | winDebug("SelectionNotify - returned data %d left %d\n", |
| 481 | xtpText.nitems, ulReturnBytesLeft); |
| 482 | |
| 483 | /* Request the selection data */ |
| 484 | iReturn = XGetWindowProperty(pDisplay, |
| 485 | iWindow, |
| 486 | atomLocalProperty, |
| 487 | 0, |
| 488 | ulReturnBytesLeft, |
| 489 | False, |
| 490 | AnyPropertyType, |
| 491 | &xtpText.encoding, |
| 492 | &xtpText.format, |
| 493 | &xtpText.nitems, |
| 494 | &ulReturnBytesLeft, &xtpText.value); |
| 495 | if (iReturn != Success) { |
| 496 | ErrorF("winClipboardFlushXEvents - SelectionNotify - " |
| 497 | "XGetWindowProperty () failed, aborting: %d\n", iReturn); |
| 498 | break; |
| 499 | } |
| 500 | |
| 501 | { |
| 502 | char *pszAtomName = NULL; |
| 503 | |
| 504 | winDebug("SelectionNotify - returned data %d left %d\n", |
| 505 | xtpText.nitems, ulReturnBytesLeft); |
| 506 | pszAtomName = XGetAtomName(pDisplay, xtpText.encoding); |
| 507 | winDebug("Notify atom name %s\n", pszAtomName); |
| 508 | XFree(pszAtomName); |
| 509 | pszAtomName = NULL; |
| 510 | } |
| 511 | |
| 512 | if (fUseUnicode) { |
| 513 | #ifdef X_HAVE_UTF8_STRING |
| 514 | /* Convert the text property to a text list */ |
| 515 | iReturn = Xutf8TextPropertyToTextList(pDisplay, |
| 516 | &xtpText, |
| 517 | &ppszTextList, &iCount); |
| 518 | #endif |
| 519 | } |
| 520 | else { |
| 521 | iReturn = XmbTextPropertyToTextList(pDisplay, |
| 522 | &xtpText, |
| 523 | &ppszTextList, &iCount); |
| 524 | } |
| 525 | if (iReturn == Success || iReturn > 0) { |
| 526 | /* Conversion succeeded or some unconvertible characters */ |
| 527 | if (ppszTextList != NULL) { |
| 528 | iReturnDataLen = 0; |
| 529 | for (i = 0; i < iCount; i++) { |
| 530 | iReturnDataLen += strlen(ppszTextList[i]); |
| 531 | } |
| 532 | pszReturnData = malloc(iReturnDataLen + 1); |
| 533 | pszReturnData[0] = '\0'; |
| 534 | for (i = 0; i < iCount; i++) { |
| 535 | strcat(pszReturnData, ppszTextList[i]); |
| 536 | } |
| 537 | } |
| 538 | else { |
| 539 | ErrorF("winClipboardFlushXEvents - SelectionNotify - " |
| 540 | "X*TextPropertyToTextList list_return is NULL.\n"); |
| 541 | pszReturnData = malloc(1); |
| 542 | pszReturnData[0] = '\0'; |
| 543 | } |
| 544 | } |
| 545 | else { |
| 546 | ErrorF("winClipboardFlushXEvents - SelectionNotify - " |
| 547 | "X*TextPropertyToTextList returned: "); |
| 548 | switch (iReturn) { |
| 549 | case XNoMemory: |
| 550 | ErrorF("XNoMemory\n"); |
| 551 | break; |
| 552 | case XLocaleNotSupported: |
| 553 | ErrorF("XLocaleNotSupported\n"); |
| 554 | break; |
| 555 | case XConverterNotFound: |
| 556 | ErrorF("XConverterNotFound\n"); |
| 557 | break; |
| 558 | default: |
| 559 | ErrorF("%d\n", iReturn); |
| 560 | break; |
| 561 | } |
| 562 | pszReturnData = malloc(1); |
| 563 | pszReturnData[0] = '\0'; |
| 564 | } |
| 565 | |
| 566 | /* Free the data returned from XGetWindowProperty */ |
| 567 | if (ppszTextList) |
| 568 | XFreeStringList(ppszTextList); |
| 569 | ppszTextList = NULL; |
| 570 | XFree(xtpText.value); |
| 571 | xtpText.value = NULL; |
| 572 | xtpText.nitems = 0; |
| 573 | |
| 574 | /* Convert the X clipboard string to DOS format */ |
| 575 | winClipboardUNIXtoDOS(&pszReturnData, strlen(pszReturnData)); |
| 576 | |
| 577 | if (fUseUnicode) { |
| 578 | /* Find out how much space needed to convert MBCS to Unicode */ |
| 579 | iUnicodeLen = MultiByteToWideChar(CP_UTF8, |
| 580 | 0, |
| 581 | pszReturnData, -1, NULL, 0); |
| 582 | |
| 583 | /* Allocate memory for the Unicode string */ |
| 584 | pwszUnicodeStr |
| 585 | = (wchar_t *) malloc(sizeof(wchar_t) * (iUnicodeLen + 1)); |
| 586 | if (!pwszUnicodeStr) { |
| 587 | ErrorF("winClipboardFlushXEvents - SelectionNotify " |
| 588 | "malloc failed for pwszUnicodeStr, aborting.\n"); |
| 589 | |
| 590 | /* Abort */ |
| 591 | fAbort = TRUE; |
| 592 | goto winClipboardFlushXEvents_SelectionNotify_Done; |
| 593 | } |
| 594 | |
| 595 | /* Do the actual conversion */ |
| 596 | MultiByteToWideChar(CP_UTF8, |
| 597 | 0, |
| 598 | pszReturnData, |
| 599 | -1, pwszUnicodeStr, iUnicodeLen); |
| 600 | |
| 601 | /* Allocate global memory for the X clipboard data */ |
| 602 | hGlobal = GlobalAlloc(GMEM_MOVEABLE, |
| 603 | sizeof(wchar_t) * (iUnicodeLen + 1)); |
| 604 | } |
| 605 | else { |
| 606 | pszConvertData = strdup(pszReturnData); |
| 607 | iConvertDataLen = strlen(pszConvertData) + 1; |
| 608 | |
| 609 | /* Allocate global memory for the X clipboard data */ |
| 610 | hGlobal = GlobalAlloc(GMEM_MOVEABLE, iConvertDataLen); |
| 611 | } |
| 612 | |
| 613 | free(pszReturnData); |
| 614 | |
| 615 | /* Check that global memory was allocated */ |
| 616 | if (!hGlobal) { |
| 617 | ErrorF("winClipboardFlushXEvents - SelectionNotify " |
| 618 | "GlobalAlloc failed, aborting: %ld\n", GetLastError()); |
| 619 | |
| 620 | /* Abort */ |
| 621 | fAbort = TRUE; |
| 622 | goto winClipboardFlushXEvents_SelectionNotify_Done; |
| 623 | } |
| 624 | |
| 625 | /* Obtain a pointer to the global memory */ |
| 626 | pszGlobalData = GlobalLock(hGlobal); |
| 627 | if (pszGlobalData == NULL) { |
| 628 | ErrorF("winClipboardFlushXEvents - Could not lock global " |
| 629 | "memory for clipboard transfer\n"); |
| 630 | |
| 631 | /* Abort */ |
| 632 | fAbort = TRUE; |
| 633 | goto winClipboardFlushXEvents_SelectionNotify_Done; |
| 634 | } |
| 635 | |
| 636 | /* Copy the returned string into the global memory */ |
| 637 | if (fUseUnicode) { |
| 638 | memcpy(pszGlobalData, |
| 639 | pwszUnicodeStr, sizeof(wchar_t) * (iUnicodeLen + 1)); |
| 640 | free(pwszUnicodeStr); |
| 641 | pwszUnicodeStr = NULL; |
| 642 | } |
| 643 | else { |
| 644 | strcpy(pszGlobalData, pszConvertData); |
| 645 | free(pszConvertData); |
| 646 | pszConvertData = NULL; |
| 647 | } |
| 648 | |
| 649 | /* Release the pointer to the global memory */ |
| 650 | GlobalUnlock(hGlobal); |
| 651 | pszGlobalData = NULL; |
| 652 | |
| 653 | /* Push the selection data to the Windows clipboard */ |
| 654 | if (fUseUnicode) |
| 655 | SetClipboardData(CF_UNICODETEXT, hGlobal); |
| 656 | else |
| 657 | SetClipboardData(CF_TEXT, hGlobal); |
| 658 | |
| 659 | /* Flag that SetClipboardData has been called */ |
| 660 | fSetClipboardData = FALSE; |
| 661 | |
| 662 | /* |
| 663 | * NOTE: Do not try to free pszGlobalData, it is owned by |
| 664 | * Windows after the call to SetClipboardData (). |
| 665 | */ |
| 666 | |
| 667 | winClipboardFlushXEvents_SelectionNotify_Done: |
| 668 | /* Free allocated resources */ |
| 669 | if (ppszTextList) |
| 670 | XFreeStringList(ppszTextList); |
| 671 | if (xtpText.value) { |
| 672 | XFree(xtpText.value); |
| 673 | xtpText.value = NULL; |
| 674 | xtpText.nitems = 0; |
| 675 | } |
| 676 | free(pszConvertData); |
| 677 | free(pwszUnicodeStr); |
| 678 | if (hGlobal && pszGlobalData) |
| 679 | GlobalUnlock(hGlobal); |
| 680 | if (fSetClipboardData) { |
| 681 | SetClipboardData(CF_UNICODETEXT, NULL); |
| 682 | SetClipboardData(CF_TEXT, NULL); |
| 683 | } |
| 684 | return WIN_XEVENTS_NOTIFY; |
| 685 | |
| 686 | case SelectionClear: |
| 687 | winDebug("SelectionClear - doing nothing\n"); |
| 688 | break; |
| 689 | |
| 690 | case PropertyNotify: |
| 691 | break; |
| 692 | |
| 693 | case MappingNotify: |
| 694 | break; |
| 695 | |
| 696 | default: |
| 697 | ErrorF("winClipboardFlushXEvents - unexpected event type %d\n", |
| 698 | event.type); |
| 699 | break; |
| 700 | } |
| 701 | } |
| 702 | |
| 703 | return WIN_XEVENTS_SUCCESS; |
| 704 | } |