aboutsummaryrefslogtreecommitdiffstats
path: root/common/rfb/ClientParams.h
blob: ea86ea785d0bd449556726a4fb700919ac0b2e4d (plain)
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
/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
 * Copyright 2014-2019 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.
 */
//
// ClientParams - structure describing the current state of the remote client
//

#ifndef __RFB_CLIENTPARAMS_H__
#define __RFB_CLIENTPARAMS_H__

#include <set>
#include <string>

#include <stdint.h>

#include <rfb/Cursor.h>
#include <rfb/PixelFormat.h>
#include <rfb/ScreenSet.h>

namespace rfb {

  const int subsampleUndefined = -1;
  const int subsampleNone = 0;
  const int subsampleGray = 1;
  const int subsample2X = 2;
  const int subsample4X = 3;
  const int subsample8X = 4;
  const int subsample16X = 5;

  class ClientParams {
  public:
    ClientParams();
    ~ClientParams();

    int majorVersion;
    int minorVersion;

    void setVersion(int major, int minor) {
      majorVersion = major; minorVersion = minor;
    }
    bool isVersion(int major, int minor) const {
      return majorVersion == major && minorVersion == minor;
    }
    bool beforeVersion(int major, int minor) const {
      return (majorVersion < major ||
              (majorVersion == major && minorVersion < minor));
    }
    bool afterVersion(int major, int minor) const {
      return !beforeVersion(major,minor+1);
    }

    int width() const { return width_; }
    int height() const { return height_; }
    const ScreenSet& screenLayout() const { return screenLayout_; }
    void setDimensions(int width, int height);
    void setDimensions(int width, int height, const ScreenSet& layout);

    const PixelFormat& pf() const { return pf_; }
    void setPF(const PixelFormat& pf);

    const char* name() const { return name_.c_str(); }
    void setName(const char* name);

    const Cursor& cursor() const { return *cursor_; }
    void setCursor(const Cursor& cursor);

    const Point& cursorPos() const { return cursorPos_; }
    void setCursorPos(const Point& pos);

    bool supportsEncoding(int32_t encoding) const;

    void setEncodings(int nEncodings, const int32_t* encodings);

    unsigned int ledState() { return ledState_; }
    void setLEDState(unsigned int state);

    uint32_t clipboardFlags() const { return clipFlags; }
    uint32_t clipboardSize(unsigned int format) const;
    void setClipboardCaps(uint32_t flags, const uint32_t* lengths);

    // Wrappers to check for functionality rather than specific
    // encodings
    bool supportsLocalCursor() const;
    bool supportsCursorPosition() const;
    bool supportsDesktopSize() const;
    bool supportsLEDState() const;
    bool supportsFence() const;
    bool supportsContinuousUpdates() const;

    int compressLevel;
    int qualityLevel;
    int fineQualityLevel;
    int subsampling;

  private:

    int width_;
    int height_;
    ScreenSet screenLayout_;

    PixelFormat pf_;
    std::string name_;
    Cursor* cursor_;
    Point cursorPos_;
    std::set<int32_t> encodings_;
    unsigned int ledState_;
    uint32_t clipFlags;
    uint32_t clipSizes[16];
  };
}
#endif