Qt 4.8
qcopchannel_qws.h
Go to the documentation of this file.
1 /****************************************************************************
2 **
3 ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/legal
5 **
6 ** This file is part of the QtGui module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia. For licensing terms and
14 ** conditions see http://qt.digia.com/licensing. For further information
15 ** use the contact form at http://qt.digia.com/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 2.1 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 2.1 requirements
23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 **
25 ** In addition, as a special exception, Digia gives you certain additional
26 ** rights. These rights are described in the Digia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 **
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
31 ** General Public License version 3.0 as published by the Free Software
32 ** Foundation and appearing in the file LICENSE.GPL included in the
33 ** packaging of this file. Please review the following information to
34 ** ensure the GNU General Public License version 3.0 requirements will be
35 ** met: http://www.gnu.org/copyleft/gpl.html.
36 **
37 **
38 ** $QT_END_LICENSE$
39 **
40 ****************************************************************************/
41 
42 #ifndef QCOPCHANNEL_QWS_H
43 #define QCOPCHANNEL_QWS_H
44 
45 #include <QtCore/qobject.h>
46 
48 
50 
51 QT_MODULE(Gui)
52 
53 #ifndef QT_NO_COP
54 
55 class QWSClient;
56 class QCopChannelPrivate;
57 
59 {
60  Q_OBJECT
61 public:
62  explicit QCopChannel(const QString& channel, QObject *parent=0);
63 #ifdef QT3_SUPPORT
64  QT3_SUPPORT_CONSTRUCTOR QCopChannel(const QString& channel, QObject *parent, const char *name);
65 #endif
66  virtual ~QCopChannel();
67 
68  QString channel() const;
69 
70  static bool isRegistered(const QString& channel);
71  static bool send(const QString& channel, const QString& msg);
72  static bool send(const QString& channel, const QString& msg,
73  const QByteArray &data);
74 
75  static bool flush();
76 
77  static void sendLocally( const QString& ch, const QString& msg,
78  const QByteArray &data);
79  static void reregisterAll();
80 
81  virtual void receive(const QString& msg, const QByteArray &data);
82 
83 Q_SIGNALS:
84  void received(const QString& msg, const QByteArray &data);
85 
86 private:
87  void init(const QString& channel);
88 
89  // server side
90  static void registerChannel(const QString& ch, QWSClient *cl);
91  static void detach(QWSClient *cl);
92  static void answer(QWSClient *cl, const QString& ch,
93  const QString& msg, const QByteArray &data);
94  // client side
96 
97  friend class QWSServer;
98  friend class QWSServerPrivate;
99  friend class QApplication;
100 };
101 
102 #endif // QT_NO_COP
103 
105 
107 
108 #endif // QCOPCHANNEL_QWS_H
The QApplication class manages the GUI application&#39;s control flow and main settings.
Definition: qapplication.h:99
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
#define Q_GUI_EXPORT
Definition: qglobal.h:1450
The QByteArray class provides an array of bytes.
Definition: qbytearray.h:135
The QString class provides a Unicode character string.
Definition: qstring.h:83
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
#define Q_SIGNALS
Definition: qobjectdefs.h:72
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
QCopChannelPrivate * d
static bool init
const char * name
static const char * data(const QByteArray &arr)
#define Q_OBJECT
Definition: qobjectdefs.h:157
The QWSServer class encapsulates a server process in Qt for Embedded Linux.
The QCopChannel class provides communication capabilities between clients in Qt for Embedded Linux...
Q_CORE_EXPORT QTextStream & flush(QTextStream &s)
#define QT_END_HEADER
Definition: qglobal.h:137
The QWSClient class encapsulates a client process in Qt for Embedded Linux.