1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
/* 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 <rfb/ScreenSet.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, i;
rdr::U32 id, flags;
int sx, sy, sw, sh;
ScreenSet layout;
screens = is->readU8();
is->skip(3);
for (i = 0;i < screens;i++) {
id = is->readU32();
sx = is->readU16();
sy = is->readU16();
sw = is->readU16();
sh = is->readU16();
flags = is->readU32();
layout.add_screen(Screen(id, sx, sy, sw, sh, flags));
}
handler->setExtendedDesktopSize(x, y, w, h, layout);
}
|
