+++ /dev/null
-/*
- * wclipbrd.c -- Clipboard routines for WinBoard
- * $Id$
- *
- * Copyright 2000 Free Software Foundation, Inc.
- *
- * ------------------------------------------------------------------------
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- * ------------------------------------------------------------------------
- */
-
-#include "config.h"
-
-#include <windows.h> /* required for all Windows applications */
-#include <stdio.h>
-#include <stdlib.h>
-#include <malloc.h>
-#include <io.h>
-#include <sys/stat.h>
-
-#include "common.h"
-#include "winboard.h"
-#include "frontend.h"
-#include "backend.h"
-#include "wclipbrd.h"
-
-/* Imports from winboard.c */
-extern HWND hwndMain;
-
-/* File globals */
-static char *copyTemp;
-static char *pasteTemp;
-
-VOID
-CopyFENToClipboard()
-{
- char *fen = NULL;
-
- fen = PositionToFEN(currentMove);
- if (!fen) {
- DisplayError("Unable to convert position to FEN.", 0);
- return;
- }
- if (!CopyTextToClipboard(fen))
- DisplayError("Unable to copy FEN to clipboard.", 0);
- free(fen);
-}
-
-
-VOID
-CopyGameToClipboard()
-{
- /* A rather cheesy hack here. Write the game to a file, then read from the
- * file into the clipboard.
- */
- char *buf = NULL;
- FILE *f;
- unsigned long size;
- size_t len;
- struct stat st;
-
- if (!copyTemp) {
- copyTemp = tmpnam(NULL);
- }
- if (!copyTemp) {
- DisplayError("Cannot create temporary file name.",0);
- return;
- }
- f = fopen(copyTemp, "w");
- if (!f) {
- DisplayError("Cannot open temporary file.", 0);
- return;
- }
- if (!SaveGame(f,0,"")) { /* call into backend */
- DisplayError("Cannot write to temporary file.", 0);
- goto copy_game_to_clipboard_cleanup;
- }
- f = fopen(copyTemp, "rb");
- if (!f) {
- DisplayError("Cannot reopen temporary file.", 0);
- goto copy_game_to_clipboard_cleanup;
- }
- if (fstat(fileno(f), &st) < 0) {
- DisplayError("Cannot determine size of file.", 0);
- goto copy_game_to_clipboard_cleanup;
- }
- size = st.st_size;
- if (size == -1) {
- DisplayError("Cannot determine size of file.", 0);
- goto copy_game_to_clipboard_cleanup;
- }
- rewind(f);
- buf = (char*)malloc(size+1);
- if (!buf) {
- DisplayError("Cannot allocate clipboard buffer.", 0);
- goto copy_game_to_clipboard_cleanup;
- }
- len = fread(buf, sizeof(char), size, f);
- if (len == -1) {
- DisplayError("Cannot read from temporary file.", 0);
- goto copy_game_to_clipboard_cleanup;
- }
- if ((unsigned long)size != (unsigned long)len) { /* sigh */
- DisplayError("Error reading from temporary file.", 0);
- goto copy_game_to_clipboard_cleanup;
- }
- buf[size] = 0;
- if (!CopyTextToClipboard(buf)) {
- DisplayError("Cannot copy text to clipboard", 0);
- }
-
-copy_game_to_clipboard_cleanup:
- if (buf) free(buf);
- if (f) fclose(f);
-}
-
-
-int
-CopyTextToClipboard(char *text)
-{
- /* some (most?) of the error checking may be overkill,
- * but hey, this is Windows
- */
- HGLOBAL hGlobalMem;
- LPVOID lpGlobalMem;
- BOOL locked;
- UINT lockCount;
- DWORD err;
-
- hGlobalMem = GlobalAlloc(GHND, (DWORD)lstrlen(text)+1);
- if (hGlobalMem == NULL) {
- DisplayError("Unable to allocate memory for clipboard.", 0);
- return FALSE;
- }
- lpGlobalMem = GlobalLock(hGlobalMem);
- if (lpGlobalMem == NULL) {
- DisplayError("Unable to lock clipboard memory.", 0);
- GlobalFree(hGlobalMem);
- return FALSE;
- }
- lstrcpy(lpGlobalMem, text);
- if (appData.debugMode) {
- lockCount = GlobalFlags(hGlobalMem) & GMEM_LOCKCOUNT;
- fprintf(debugFP, "CopyTextToClipboard(): lock count %d\n", lockCount);
- }
- SetLastError(NO_ERROR);
- locked = GlobalUnlock(hGlobalMem);
- err = GetLastError();
- if (appData.debugMode) {
- lockCount = GlobalFlags(hGlobalMem) & GMEM_LOCKCOUNT;
- fprintf(debugFP, "CopyTextToClipboard(): lock count %d\n", lockCount);
- }
- if (!locked) {
- locked = !((err == NO_ERROR) || (err == ERROR_NOT_LOCKED));
- if (appData.debugMode) {
- fprintf(debugFP,
- "CopyTextToClipboard(): err %d locked %d\n", err, locked);
- }
- }
- if (locked) {
- DisplayError("Cannot unlock clipboard memory.", 0);
- GlobalFree(hGlobalMem);
- return FALSE;
- }
- if (!OpenClipboard(hwndMain)) {
- DisplayError("Cannot open clipboard.", 0);
- GlobalFree(hGlobalMem);
- return FALSE;
- }
- if (!EmptyClipboard()) {
- DisplayError("Cannot empty clipboard.", 0);
- return FALSE;
- }
- if (hGlobalMem != SetClipboardData(CF_TEXT, hGlobalMem)) {
- DisplayError("Cannot copy text to clipboard.", 0);
- CloseClipboard();
- GlobalFree(hGlobalMem);
- return FALSE;
- }
- if (!CloseClipboard())
- DisplayError("Cannot close clipboard.", 0);
-
- return TRUE;
-}
-
-
-
-VOID
-PasteFENFromClipboard()
-{
- char *fen = NULL;
- if (!PasteTextFromClipboard(&fen)) {
- DisplayError("Unable to paste FEN from clipboard.", 0);
- return;
- }
- if (appData.debugMode) {
- fprintf(debugFP, "PasteFenFromClipboard(): fen '%s'\n", fen);
- }
- EditPositionPasteFEN(fen); /* call into backend */
- free(fen);
-}
-
-
-VOID
-PasteGameFromClipboard()
-{
- /* Write the clipboard to a temp file, then let LoadGameFromFile()
- * do all the work. */
- char *buf;
- FILE *f;
- size_t len;
- if (!PasteTextFromClipboard(&buf)) {
- return;
- }
- if (!pasteTemp) {
- pasteTemp = tmpnam(NULL);
- }
- f = fopen(pasteTemp, "wb+");
- if (!f) {
- DisplayError("Unable to create temporary file.", 0);
- return;
- }
- len = fwrite(buf, sizeof(char), strlen(buf), f);
- fclose(f);
- if (len != strlen(buf)) {
- DisplayError("Error writing to temporary file.", 0);
- return;
- }
- LoadGameFromFile(pasteTemp, 0, "Clipboard", TRUE);
-}
-
-
-int
-PasteTextFromClipboard(char **text)
-{
- /* some (most?) of the error checking may be overkill,
- * but hey, this is Windows
- */
- HANDLE hClipMem;
- LPVOID lpClipMem;
- BOOL locked = FALSE;
- DWORD err;
- UINT lockCount;
-
- if (!OpenClipboard(hwndMain)) {
- DisplayError("Unable to open clipboard.", 0);
- return FALSE;
- }
- hClipMem = GetClipboardData(CF_TEXT);
- if (hClipMem == NULL) {
- CloseClipboard();
- DisplayError("No text in clipboard.", 0);
- return FALSE;
- }
- lpClipMem = GlobalLock(hClipMem);
- if (lpClipMem == NULL) {
- CloseClipboard();
- DisplayError("Unable to lock clipboard memory.", 0);
- return FALSE;
- }
- *text = (char *) malloc(GlobalSize(hClipMem)+1);
- if (!*text) {
- DisplayError("Unable to allocate memory for text string.", 0);
- CloseClipboard();
- return FALSE;
- }
- lstrcpy(*text, lpClipMem);
- if (appData.debugMode) {
- lockCount = GlobalFlags(hClipMem) & GMEM_LOCKCOUNT;
- fprintf(debugFP, "PasteTextFromClipboard(): lock count %d\n", lockCount);
- }
- SetLastError(NO_ERROR);
-#if 1
- /*suggested by Wilkin Ng*/
- lockCount = GlobalFlags(hClipMem) & GMEM_LOCKCOUNT;
- if (lockCount) {
- locked = GlobalUnlock(hClipMem);
- }
-#else
- locked = GlobalUnlock(hClipMem);
-#endif
- err = GetLastError();
- if (appData.debugMode) {
- lockCount = GlobalFlags(hClipMem) & GMEM_LOCKCOUNT;
- fprintf(debugFP, "PasteTextFromClipboard(): lock count %d\n", lockCount);
- }
- if (!locked) {
- locked = !((err == NO_ERROR) || (err == ERROR_NOT_LOCKED));
- if (appData.debugMode) {
- fprintf(debugFP,
- "PasteTextFromClipboard(): err %d locked %d\n", err, locked);
- }
- }
- if (locked)
- DisplayError("Unable to unlock clipboard memory.", 0);
-
- if (!CloseClipboard())
- DisplayError("Unable to close clipboard.", 0);
-
- return TRUE;
-}
-
-VOID
-DeleteClipboardTempFiles()
-{
- if (copyTemp) remove(copyTemp);
- if (pasteTemp) remove(pasteTemp);
-}
projects / xboard.git / blobdiff