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- /* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
- * Copyright 2009 Pierre Ossman for Cendio AB
- *
- * 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 <rfb/PixelFormat.h>
- #include <rfb/msgTypes.h>
- #include <rfb/Exception.h>
- #include <rdr/InStream.h>
- #include <rfb/CMsgReaderV3.h>
- #include <rfb/CMsgHandler.h>
- #include <rfb/util.h>
- #include <stdio.h>
-
- using namespace rfb;
-
- CMsgReaderV3::CMsgReaderV3(CMsgHandler* handler, rdr::InStream* is)
- : CMsgReader(handler, is), nUpdateRectsLeft(0)
- {
- }
-
- CMsgReaderV3::~CMsgReaderV3()
- {
- }
-
- void CMsgReaderV3::readServerInit()
- {
- int width = is->readU16();
- int height = is->readU16();
- handler->setDesktopSize(width, height);
- PixelFormat pf;
- pf.read(is);
- handler->setPixelFormat(pf);
- CharArray name(is->readString());
- handler->setName(name.buf);
- handler->serverInit();
- }
-
- void CMsgReaderV3::readMsg()
- {
- if (nUpdateRectsLeft == 0) {
-
- int type = is->readU8();
- switch (type) {
- case msgTypeFramebufferUpdate: readFramebufferUpdate(); break;
- case msgTypeSetColourMapEntries: readSetColourMapEntries(); break;
- case msgTypeBell: readBell(); break;
- case msgTypeServerCutText: readServerCutText(); break;
-
- default:
- fprintf(stderr, "unknown message type %d\n", type);
- throw Exception("unknown message type");
- }
-
- } else {
-
- int x = is->readU16();
- int y = is->readU16();
- int w = is->readU16();
- int h = is->readU16();
- unsigned int encoding = is->readU32();
-
- switch (encoding) {
- case pseudoEncodingDesktopSize:
- handler->setDesktopSize(w, h);
- break;
- case pseudoEncodingExtendedDesktopSize:
- readExtendedDesktopSize(x, y, w, h);
- break;
- case pseudoEncodingDesktopName:
- readSetDesktopName(x, y, w, h);
- break;
- case pseudoEncodingCursor:
- readSetCursor(w, h, Point(x,y));
- break;
- case pseudoEncodingLastRect:
- nUpdateRectsLeft = 1; // this rectangle is the last one
- break;
- default:
- readRect(Rect(x, y, x+w, y+h), encoding);
- break;
- };
-
- nUpdateRectsLeft--;
- if (nUpdateRectsLeft == 0) handler->framebufferUpdateEnd();
- }
- }
-
- void CMsgReaderV3::readFramebufferUpdate()
- {
- is->skip(1);
- nUpdateRectsLeft = is->readU16();
- handler->framebufferUpdateStart();
- }
-
- void CMsgReaderV3::readSetDesktopName(int x, int y, int w, int h)
- {
- char* name = is->readString();
-
- if (x || y || w || h) {
- fprintf(stderr, "Ignoring DesktopName rect with non-zero position/size\n");
- } else {
- handler->setName(name);
- }
-
- delete [] name;
- }
-
- void CMsgReaderV3::readExtendedDesktopSize(int x, int y, int w, int h)
- {
- unsigned int screens;
-
- screens = is->readU8();
- is->skip(3);
-
- // XXX: We just ignore screen info right now
- is->skip(16 * screens);
-
- handler->setExtendedDesktopSize(x, y, w, h);
- }
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