barrier/src/lib/platform/XWindowsClipboardTextConverter.cpp

/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2012 Synergy Si Ltd.
 * Copyright (C) 2002 Chris Schoeneman
 * 
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file COPYING that should have accompanied this file.
 * 
 * This package 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, see <http://www.gnu.org/licenses/>.
 */

#include "platform/XWindowsClipboardTextConverter.h"

#include "base/Unicode.h"

//
// CXWindowsClipboardTextConverter
//

CXWindowsClipboardTextConverter::CXWindowsClipboardTextConverter(
				Display* display, const char* name) :
	m_atom(XInternAtom(display, name, False))
{
	// do nothing
}

CXWindowsClipboardTextConverter::~CXWindowsClipboardTextConverter()
{
	// do nothing
}

IClipboard::EFormat
CXWindowsClipboardTextConverter::getFormat() const
{
	return IClipboard::kText;
}

Atom
CXWindowsClipboardTextConverter::getAtom() const
{
	return m_atom;
}

int
CXWindowsClipboardTextConverter::getDataSize() const
{
	return 8;
}

String
CXWindowsClipboardTextConverter::fromIClipboard(const String& data) const
{
	return Unicode::UTF8ToText(data);
}

String
CXWindowsClipboardTextConverter::toIClipboard(const String& data) const
{
	// convert to UTF-8
	bool errors;
	String utf8 = Unicode::textToUTF8(data, &errors);

	// if there were decoding errors then, to support old applications
	// that don't understand UTF-8 but can report the exact binary
	// UTF-8 representation, see if the data appears to be UTF-8.  if
	// so then use it as is.
	if (errors && Unicode::isUTF8(data)) {
		return data;
	}

	return utf8;
}