blob: 83f758e7607e8feb29857dce8b7094cddd204039 [file] [log] [blame]
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +00001/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
2 *
3 * This is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This software is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this software; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
16 * USA.
17 */
18#include <rfb/PixelFormat.h>
19#include <rfb/msgTypes.h>
20#include <rfb/Exception.h>
21#include <rdr/InStream.h>
22#include <rfb/CMsgReaderV3.h>
23#include <rfb/CMsgHandler.h>
24#include <rfb/util.h>
Adam Tkac20e0d712008-11-14 14:48:21 +000025#include <stdio.h>
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000026
27using namespace rfb;
28
29CMsgReaderV3::CMsgReaderV3(CMsgHandler* handler, rdr::InStream* is)
30 : CMsgReader(handler, is), nUpdateRectsLeft(0)
31{
32}
33
34CMsgReaderV3::~CMsgReaderV3()
35{
36}
37
38void CMsgReaderV3::readServerInit()
39{
40 int width = is->readU16();
41 int height = is->readU16();
42 handler->setDesktopSize(width, height);
43 PixelFormat pf;
44 pf.read(is);
45 handler->setPixelFormat(pf);
46 CharArray name(is->readString());
47 handler->setName(name.buf);
48 handler->serverInit();
49}
50
51void CMsgReaderV3::readMsg()
52{
53 if (nUpdateRectsLeft == 0) {
54
55 int type = is->readU8();
56 switch (type) {
57 case msgTypeFramebufferUpdate: readFramebufferUpdate(); break;
58 case msgTypeSetColourMapEntries: readSetColourMapEntries(); break;
59 case msgTypeBell: readBell(); break;
60 case msgTypeServerCutText: readServerCutText(); break;
61
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000062 default:
63 fprintf(stderr, "unknown message type %d\n", type);
64 throw Exception("unknown message type");
65 }
66
67 } else {
68
69 int x = is->readU16();
70 int y = is->readU16();
71 int w = is->readU16();
72 int h = is->readU16();
73 unsigned int encoding = is->readU32();
74
75 switch (encoding) {
76 case pseudoEncodingDesktopSize:
77 handler->setDesktopSize(w, h);
78 break;
Peter Åstrandc39e0782009-01-15 12:21:42 +000079 case pseudoEncodingDesktopName:
80 readSetDesktopName(x, y, w, h);
81 break;
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +000082 case pseudoEncodingCursor:
83 readSetCursor(w, h, Point(x,y));
84 break;
85 case pseudoEncodingLastRect:
86 nUpdateRectsLeft = 1; // this rectangle is the last one
87 break;
88 default:
89 readRect(Rect(x, y, x+w, y+h), encoding);
90 break;
91 };
92
93 nUpdateRectsLeft--;
94 if (nUpdateRectsLeft == 0) handler->framebufferUpdateEnd();
95 }
96}
97
98void CMsgReaderV3::readFramebufferUpdate()
99{
100 is->skip(1);
101 nUpdateRectsLeft = is->readU16();
102 handler->framebufferUpdateStart();
103}
Pierre Ossmane49a7bf2009-03-20 10:02:31 +0000104
105void CMsgReaderV3::readSetDesktopName(int x, int y, int w, int h)
106{
107 char* name = is->readString();
108
109 if (x || y || w || h) {
110 fprintf(stderr, "Ignoring DesktopName rect with non-zero position/size\n");
111 } else {
112 handler->setName(name);
113 }
114
115 delete [] name;
116}
117