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- /* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
- *
- * This 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 software 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 software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
- #include <stdio.h>
- #include <rdr/InStream.h>
- #include <rfb/Exception.h>
- #include <rfb/util.h>
- #include <rfb/SMsgHandler.h>
- #include <rfb/SMsgReader.h>
- #include <rfb/Configuration.h>
- #include <rfb/LogWriter.h>
-
- using namespace rfb;
-
- static LogWriter vlog("SMsgReader");
-
- static IntParameter maxCutText("MaxCutText", "Maximum permitted length of an incoming clipboard update", 256*1024);
-
- SMsgReader::SMsgReader(SMsgHandler* handler_, rdr::InStream* is_)
- : handler(handler_), is(is_)
- {
- }
-
- SMsgReader::~SMsgReader()
- {
- }
-
- void SMsgReader::readSetPixelFormat()
- {
- is->skip(3);
- PixelFormat pf;
- pf.read(is);
- handler->setPixelFormat(pf);
- }
-
- void SMsgReader::readSetEncodings()
- {
- is->skip(1);
- int nEncodings = is->readU16();
- rdr::S32Array encodings(nEncodings);
- for (int i = 0; i < nEncodings; i++)
- encodings.buf[i] = is->readU32();
- handler->setEncodings(nEncodings, encodings.buf);
- }
-
- void SMsgReader::readFramebufferUpdateRequest()
- {
- bool inc = is->readU8();
- int x = is->readU16();
- int y = is->readU16();
- int w = is->readU16();
- int h = is->readU16();
- handler->framebufferUpdateRequest(Rect(x, y, x+w, y+h), inc);
- }
-
- void SMsgReader::readKeyEvent()
- {
- bool down = is->readU8();
- is->skip(2);
- rdr::U32 key = is->readU32();
- handler->keyEvent(key, down);
- }
-
- void SMsgReader::readPointerEvent()
- {
- int mask = is->readU8();
- int x = is->readU16();
- int y = is->readU16();
- handler->pointerEvent(Point(x, y), mask);
- }
-
-
- void SMsgReader::readClientCutText()
- {
- is->skip(3);
- int len = is->readU32();
- if (len > maxCutText) {
- is->skip(len);
- vlog.error("Cut text too long (%d bytes) - ignoring", len);
- return;
- }
- CharArray ca(len+1);
- ca.buf[len] = 0;
- is->readBytes(ca.buf, len);
- handler->clientCutText(ca.buf, len);
- }
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