2 * wclipbrd.c -- Clipboard routines for WinBoard
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3 * $Id: wclipbrd.c,v 2.1 2003/10/27 19:21:02 mann Exp $
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5 * Copyright 2000,2009 Free Software Foundation, Inc.
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7 * ------------------------------------------------------------------------
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9 * GNU XBoard is free software: you can redistribute it and/or modify
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10 * it under the terms of the GNU General Public License as published by
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11 * the Free Software Foundation, either version 3 of the License, or (at
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12 * your option) any later version.
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14 * GNU XBoard is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 * General Public License for more details.
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19 * You should have received a copy of the GNU General Public License
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20 * along with this program. If not, see http://www.gnu.org/licenses/. *
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22 *------------------------------------------------------------------------
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23 ** See the file ChangeLog for a revision history. */
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27 #include <windows.h> /* required for all Windows applications */
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31 #include <sys/stat.h>
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34 #include "winboard.h"
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35 #include "frontend.h"
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36 #include "backend.h"
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37 #include "wclipbrd.h"
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39 /* Imports from winboard.c */
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40 extern HWND hwndMain;
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41 Boolean ParseFEN(Board b, int *stm, char *FEN);
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44 static char *copyTemp;
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45 static char *pasteTemp;
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48 CopyFENToClipboard()
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52 fen = PositionToFEN(currentMove, NULL);
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54 DisplayError("Unable to convert position to FEN.", 0);
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57 if (!CopyTextToClipboard(fen))
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58 DisplayError("Unable to copy FEN to clipboard.", 0);
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63 HGLOBAL ExportGameListAsText();
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65 VOID CopyGameListToClipboard()
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67 HGLOBAL hMem = ExportGameListAsText();
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69 if( hMem != NULL ) {
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70 /* Assign memory block to clipboard */
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71 BOOL ok = OpenClipboard( hwndMain );
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74 ok = EmptyClipboard();
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77 if( hMem != SetClipboardData( CF_TEXT, hMem ) ) {
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90 DisplayError( "Cannot copy list to clipboard.", 0 );
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96 CopyGameToClipboard()
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98 /* A rather cheesy hack here. Write the game to a file, then read from the
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99 * file into the clipboard.
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103 unsigned long size;
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108 copyTemp = tempnam(NULL, "wbcp");
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111 DisplayError("Cannot create temporary file name.",0);
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114 f = fopen(copyTemp, "w");
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116 DisplayError("Cannot open temporary file.", 0);
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119 if (!SaveGame(f,0,"")) { /* call into backend */
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120 DisplayError("Cannot write to temporary file.", 0);
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121 goto copy_game_to_clipboard_cleanup;
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123 f = fopen(copyTemp, "rb");
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125 DisplayError("Cannot reopen temporary file.", 0);
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126 goto copy_game_to_clipboard_cleanup;
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128 if (fstat(fileno(f), &st) < 0) {
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129 DisplayError("Cannot determine size of file.", 0);
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130 goto copy_game_to_clipboard_cleanup;
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134 DisplayError("Cannot determine size of file.", 0);
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135 goto copy_game_to_clipboard_cleanup;
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138 buf = (char*)malloc(size+1);
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140 DisplayError("Cannot allocate clipboard buffer.", 0);
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141 goto copy_game_to_clipboard_cleanup;
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143 len = fread(buf, sizeof(char), size, f);
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145 DisplayError("Cannot read from temporary file.", 0);
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146 goto copy_game_to_clipboard_cleanup;
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148 if ((unsigned long)size != (unsigned long)len) { /* sigh */
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149 DisplayError("Error reading from temporary file.", 0);
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150 goto copy_game_to_clipboard_cleanup;
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153 if (!CopyTextToClipboard(buf)) {
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154 DisplayError("Cannot copy text to clipboard", 0);
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157 copy_game_to_clipboard_cleanup:
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158 if (buf) free(buf);
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164 CopyTextToClipboard(char *text)
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166 /* some (most?) of the error checking may be overkill,
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167 * but hey, this is Windows
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169 HGLOBAL hGlobalMem;
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170 LPVOID lpGlobalMem;
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175 hGlobalMem = GlobalAlloc(GHND, (DWORD)lstrlen(text)+1);
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176 if (hGlobalMem == NULL) {
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177 DisplayError("Unable to allocate memory for clipboard.", 0);
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180 lpGlobalMem = GlobalLock(hGlobalMem);
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181 if (lpGlobalMem == NULL) {
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182 DisplayError("Unable to lock clipboard memory.", 0);
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183 GlobalFree(hGlobalMem);
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186 lstrcpy(lpGlobalMem, text);
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187 if (appData.debugMode) {
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188 lockCount = GlobalFlags(hGlobalMem) & GMEM_LOCKCOUNT;
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189 fprintf(debugFP, "CopyTextToClipboard(): lock count %d\n", lockCount);
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191 SetLastError(NO_ERROR);
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192 locked = GlobalUnlock(hGlobalMem);
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193 err = GetLastError();
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194 if (appData.debugMode) {
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195 lockCount = GlobalFlags(hGlobalMem) & GMEM_LOCKCOUNT;
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196 fprintf(debugFP, "CopyTextToClipboard(): lock count %d\n", lockCount);
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199 locked = !((err == NO_ERROR) || (err == ERROR_NOT_LOCKED));
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200 if (appData.debugMode) {
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202 "CopyTextToClipboard(): err %d locked %d\n", (int)err, locked);
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206 DisplayError("Cannot unlock clipboard memory.", 0);
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207 GlobalFree(hGlobalMem);
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210 if (!OpenClipboard(hwndMain)) {
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211 DisplayError("Cannot open clipboard.", 0);
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212 GlobalFree(hGlobalMem);
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215 if (!EmptyClipboard()) {
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216 DisplayError("Cannot empty clipboard.", 0);
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219 if (hGlobalMem != SetClipboardData(CF_TEXT, hGlobalMem)) {
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220 DisplayError("Cannot copy text to clipboard.", 0);
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222 GlobalFree(hGlobalMem);
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225 if (!CloseClipboard())
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226 DisplayError("Cannot close clipboard.", 0);
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231 /* [AS] Reworked paste functions so they can work with strings too */
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233 VOID PasteFENFromString( char * fen )
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235 if (appData.debugMode) {
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236 fprintf(debugFP, "PasteFenFromString(): fen '%s'\n", fen);
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238 EditPositionPasteFEN(fen); /* call into backend */
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244 PasteFENFromClipboard()
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247 if (!PasteTextFromClipboard(&fen)) {
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248 DisplayError("Unable to paste FEN from clipboard.", 0);
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251 PasteFENFromString( fen );
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254 VOID PasteGameFromString( char * buf )
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259 pasteTemp = tempnam(NULL, "wbpt");
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261 f = fopen(pasteTemp, "w");
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263 DisplayError("Unable to create temporary file.", 0);
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264 free(buf); /* [AS] */
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267 len = fwrite(buf, sizeof(char), strlen(buf), f);
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269 if (len != strlen(buf)) {
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270 DisplayError("Error writing to temporary file.", 0);
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271 free(buf); /* [AS] */
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274 LoadGameFromFile(pasteTemp, 0, "Clipboard", TRUE);
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275 free( buf ); /* [AS] */
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280 PasteGameFromClipboard()
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282 /* Write the clipboard to a temp file, then let LoadGameFromFile()
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283 * do all the work. */
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285 if (!PasteTextFromClipboard(&buf)) {
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288 PasteGameFromString( buf );
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291 /* [AS] Try to detect whether the clipboard contains FEN or PGN data */
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292 VOID PasteGameOrFENFromClipboard()
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296 Board dummyBoard; int dummy; // [HGM] paste any
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298 if (!PasteTextFromClipboard(&buf)) {
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304 while( *tmp == ' ' || *tmp == '\t' || *tmp == '\r' || *tmp == '\n' ) {
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308 if( *tmp == '[' ) {
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310 // [HGM] paste any: make still smarter, to allow pasting of games without tags, recognize FEN in stead
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311 if(!ParseFEN(dummyBoard, &dummy, buf) ) {
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313 PasteGameFromString( buf );
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316 PasteFENFromString( buf );
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321 PasteTextFromClipboard(char **text)
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323 /* some (most?) of the error checking may be overkill,
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324 * but hey, this is Windows
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328 BOOL locked = FALSE;
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332 if (!OpenClipboard(hwndMain)) {
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333 DisplayError("Unable to open clipboard.", 0);
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336 hClipMem = GetClipboardData(CF_TEXT);
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337 if (hClipMem == NULL) {
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339 DisplayError("No text in clipboard.", 0);
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342 lpClipMem = GlobalLock(hClipMem);
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343 if (lpClipMem == NULL) {
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345 DisplayError("Unable to lock clipboard memory.", 0);
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348 *text = (char *) malloc(GlobalSize(hClipMem)+1);
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350 DisplayError("Unable to allocate memory for text string.", 0);
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354 lstrcpy(*text, lpClipMem);
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355 if (appData.debugMode) {
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356 lockCount = GlobalFlags(hClipMem) & GMEM_LOCKCOUNT;
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357 fprintf(debugFP, "PasteTextFromClipboard(): lock count %d\n", lockCount);
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359 SetLastError(NO_ERROR);
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361 /*suggested by Wilkin Ng*/
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362 lockCount = GlobalFlags(hClipMem) & GMEM_LOCKCOUNT;
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364 locked = GlobalUnlock(hClipMem);
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367 locked = GlobalUnlock(hClipMem);
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369 err = GetLastError();
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370 if (appData.debugMode) {
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371 lockCount = GlobalFlags(hClipMem) & GMEM_LOCKCOUNT;
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372 fprintf(debugFP, "PasteTextFromClipboard(): lock count %d\n", lockCount);
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375 locked = !((err == NO_ERROR) || (err == ERROR_NOT_LOCKED));
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376 if (appData.debugMode) {
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378 "PasteTextFromClipboard(): err %d locked %d\n", (int)err, locked);
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382 DisplayError("Unable to unlock clipboard memory.", 0);
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384 if (!CloseClipboard())
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385 DisplayError("Unable to close clipboard.", 0);
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391 DeleteClipboardTempFiles()
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393 if (copyTemp) remove(copyTemp);
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394 if (pasteTemp) remove(pasteTemp);
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