/usr/include/cxxtools/delegate.h is in libcxxtools-dev 2.2.1-2.
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 | /*
* Copyright (C) 2004-2007 by Marc Boris Duerner
* Copyright (C) 2005 Stephan Beal
*
* 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_Delegate_h
#define cxxtools_Delegate_h
#include <cxxtools/void.h>
#include <cxxtools/function.h>
#include <cxxtools/method.h>
#include <cxxtools/constmethod.h>
#include <cxxtools/connectable.h>
#include <stdexcept>
namespace cxxtools {
/** @internal
*/
class DelegateBase : public Connectable
{
public:
DelegateBase()
{ }
DelegateBase(const DelegateBase& rhs)
{ DelegateBase::operator=(rhs); }
DelegateBase& operator=(const DelegateBase& other)
{
_target.close();
if( !other._target )
return *this;
const Slot& slot = other._target.slot();
_target = Connection( *this, slot.clone() );
return *this;
}
virtual void onConnectionOpen(const Connection& c)
{
const Connectable& sender = c.sender();
if( &sender == this )
{
_target.close();
_target = c;
}
Connectable::onConnectionOpen(c);
}
virtual void onConnectionClose(const Connection& c)
{
Connectable::onConnectionClose(c);
}
bool isConnected() const
{
return _target.valid();
}
protected:
Connection _target;
};
#include <cxxtools/delegate.tpp>
} // !namespace cxxtools
#endif
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