/usr/include/cxxtools/connection.h is in libcxxtools-dev 2.2.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /*
* Copyright (C) 2006-2008 by Marc Boris Duerner
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef cxxtools_Connection_h
#define cxxtools_Connection_h
#include <cxxtools/slot.h>
#include <cxxtools/refcounted.h>
namespace cxxtools {
class Connectable;
/** @internal
*/
class ConnectionData : public RefCounted {
public:
ConnectionData()
: _refs(1)
, _valid(false)
, _slot(0)
, _sender(0)
{ }
ConnectionData(Connectable& sender, Slot* slot)
: _refs(1)
, _valid(true)
, _slot(slot)
, _sender(&sender)
{ }
~ConnectionData()
{ delete _slot; }
unsigned ref()
{ return ++_refs; }
unsigned unref()
{ return --_refs; }
unsigned refs() const
{ return _refs; }
bool valid() const
{ return _valid; }
void setValid(bool valid)
{ _valid = valid; }
Connectable& sender()
{ return *_sender; }
const Connectable& sender() const
{ return *_sender; }
Slot& slot()
{ return *_slot; }
const Slot& slot() const
{ return *_slot; }
private:
unsigned _refs;
bool _valid;
Slot* _slot;
Connectable* _sender;
};
/** @brief Represents a connection between a Signal/Delegate and a slot
@ingroup sigslot
*/
class Connection
{
public:
Connection();
Connection(Connectable& sender, Slot* slot);
Connection(const Connection& connection);
~Connection();
bool valid() const
{ return _data->valid(); }
const Connectable& sender() const
{ return _data->sender(); }
const Slot& slot() const
{ return _data->slot(); }
bool operator!() const
{ return this->valid() == false; }
void close();
Connection& operator=(const Connection& connection);
bool operator==(const Connection& connection) const;
private:
ConnectionData* _data;
};
} // namespace cxxtools
#endif
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