150 lines
3.4 KiB
C++
150 lines
3.4 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2012 Synergy Si Ltd.
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file LICENSE that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "platform/MSWindowsClipboardAnyTextConverter.h"
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//
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// MSWindowsClipboardAnyTextConverter
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//
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MSWindowsClipboardAnyTextConverter::MSWindowsClipboardAnyTextConverter()
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{
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// do nothing
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}
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MSWindowsClipboardAnyTextConverter::~MSWindowsClipboardAnyTextConverter()
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{
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// do nothing
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}
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IClipboard::EFormat
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MSWindowsClipboardAnyTextConverter::getFormat() const
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{
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return IClipboard::kText;
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}
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HANDLE
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MSWindowsClipboardAnyTextConverter::fromIClipboard(const String& data) const
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{
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// convert linefeeds and then convert to desired encoding
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String text = doFromIClipboard(convertLinefeedToWin32(data));
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UInt32 size = (UInt32)text.size();
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// copy to memory handle
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HGLOBAL gData = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, size);
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if (gData != NULL) {
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// get a pointer to the allocated memory
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char* dst = (char*)GlobalLock(gData);
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if (dst != NULL) {
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memcpy(dst, text.data(), size);
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GlobalUnlock(gData);
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}
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else {
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GlobalFree(gData);
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gData = NULL;
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}
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}
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return gData;
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}
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String
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MSWindowsClipboardAnyTextConverter::toIClipboard(HANDLE data) const
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{
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// get datator
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const char* src = (const char*)GlobalLock(data);
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UInt32 srcSize = (UInt32)GlobalSize(data);
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if (src == NULL || srcSize <= 1) {
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return String();
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}
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// convert text
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String text = doToIClipboard(String(src, srcSize));
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// release handle
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GlobalUnlock(data);
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// convert newlines
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return convertLinefeedToUnix(text);
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}
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String
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MSWindowsClipboardAnyTextConverter::convertLinefeedToWin32(
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const String& src) const
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{
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// note -- we assume src is a valid UTF-8 string
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// count newlines in string
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UInt32 numNewlines = 0;
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UInt32 n = (UInt32)src.size();
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for (const char* scan = src.c_str(); n > 0; ++scan, --n) {
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if (*scan == '\n') {
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++numNewlines;
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}
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}
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if (numNewlines == 0) {
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return src;
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}
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// allocate new string
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String dst;
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dst.reserve(src.size() + numNewlines);
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// copy string, converting newlines
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n = (UInt32)src.size();
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for (const char* scan = src.c_str(); n > 0; ++scan, --n) {
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if (scan[0] == '\n') {
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dst += '\r';
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}
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dst += scan[0];
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}
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return dst;
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}
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String
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MSWindowsClipboardAnyTextConverter::convertLinefeedToUnix(
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const String& src) const
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{
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// count newlines in string
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UInt32 numNewlines = 0;
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UInt32 n = (UInt32)src.size();
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for (const char* scan = src.c_str(); n > 0; ++scan, --n) {
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if (scan[0] == '\r' && scan[1] == '\n') {
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++numNewlines;
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}
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}
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if (numNewlines == 0) {
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return src;
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}
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// allocate new string
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String dst;
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dst.reserve(src.size());
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// copy string, converting newlines
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n = (UInt32)src.size();
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for (const char* scan = src.c_str(); n > 0; ++scan, --n) {
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if (scan[0] != '\r' || scan[1] != '\n') {
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dst += scan[0];
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}
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}
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return dst;
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}
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