summaryrefslogtreecommitdiffstats
path: root/tdecore/kpty.h
blob: 6cff274a818f83c2eaa983961a141f1053b827e7 (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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/* This file is part of the KDE libraries

    Copyright (C) 1997-2002 The Konsole Developers
    Copyright (C) 2002 Waldo Bastian <[email protected]>
    Copyright (C) 2002-2003 Oswald Buddenhagen <[email protected]>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef __kpty_h__
#define __kpty_h__

#include <tqglobal.h>
#include <tdelibs_export.h>

#ifdef Q_OS_UNIX

struct KPtyPrivate;

/**
 * Provides a high level representation of a pseudo tty pair, including
 * utmp support.
 * ...
 *
 * @since 3.2
 **/
class TDECORE_EXPORT KPty {

public:

  /**
   * Constructor
   */
  KPty();

  /**
   * Destructor:
   *
   *  If the pty is still open, it will be closed. Note, however, that
   *  an utmp registration is @em not undone.
  */
  ~KPty();

  /**
   * Create a pty master/slave pair.
   *
   * @return true if a pty pair was successfully opened
   */
  bool open();

  /** 
   * Attach a existing pty master 
   *
   * @return true if the pty was successfully added
   */ 
  bool setPty(int pty_master);

  /**
   * Close the pty master/slave pair.
   */
  void close();

  /**
   * Creates a new session and process group and makes this pty the
   * controlling tty.
   */
  void setCTty();

  /**
   * Creates an utmp entry for the tty.
   * This function must be called after calling setCTty and
   * making this pty the stdin.
   * @param user the user to be logged on
   * @param remotehost the host from which the login is coming. This is
   *  @em not the local host. For remote logins it should be the hostname
   *  of the client. For local logins from inside an X session it should
   *  be the name of the X display. Otherwise it should be empty.
   */
  void login(const char *user = 0, const char *remotehost = 0);

  /**
   * Removes the utmp entry for this tty.
   */
  void logout();

  /**
   * Change the logical (screen) size of the pty.
   * The default is 24 lines by 80 columns.
   *
   * @param lines the number of rows
   * @param columns the number of columns
   */
  void setWinSize(int lines, int columns);

  /**
   * Set whether the pty should honor Xon/Xoff flow control.
   *
   * Xon/Xoff flow control is off by default.
   *
   * @param useXonXoff true if Xon/Xoff flow control should be used.
   */
  void setXonXoff(bool useXonXoff);

  /**
   * Set the pty in utf8 mode on systems that support it.
   * 
   * See the man page of "stty iutf8" for more info.
   *
   * @since 3.4
   */
  void setUtf8Mode(bool useUtf8);


  /**
   * @return the name of the slave pty device.
   *
   * This function should be called only while the pty is open.
   */
  const char *ttyName() const;

  /**
   * @return the file descriptor of the master pty
   *
   * This function should be called only while the pty is open.
   */
  int masterFd() const;

  /**
   * @return the file descriptor of the slave pty
   *
   * This function should be called only while the pty is open.
   */
  int slaveFd() const;

protected:
  bool _attachPty(int pty_master);

private:
  bool chownpty(bool grant);

  KPtyPrivate *d;
};

#endif //Q_OS_UNIX
#endif