/usr/include/scim-1.0/scim_connection.h is in libscim-dev 1.4.15-3.
This file is owned by root:root, with mode 0o644.
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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 | /** @file scim_connection.h
* @brief C++ signal-slot connection interface.
*
* Most code of this file are came from Inti project.
*/
/*
* Smart Common Input Method
*
* Copyright (c) 2002-2005 James Su <suzhe@tsinghua.org.cn>
* Copyright (c) 2002 The Inti Development Team.
*
*
* 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 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* $Id: scim_connection.h,v 1.10 2005/01/10 08:30:53 suzhe Exp $
*/
#ifndef __SCIM_CONNECTION_H
#define __SCIM_CONNECTION_H
namespace scim {
/**
* @addtogroup SignalSlot
* @{
*/
class Slot;
/**
* @class Node
* @brief Base class for classes managing slots.
*
* A node connects a slot to its Connection class, the class returned
* from a signal's connect() method.
*/
class Node : public ReferencedObject
{
Pointer <Slot> slot_;
protected:
Node(Slot *slot);
//!< Constructor.
virtual ~Node();
//!< Destructor.
public:
Slot* slot() { return slot_.get (); }
//!< Returns a pointer to the slot held by this node.
virtual void block() = 0;
//!< Block signal emission to the slot until unblock is called.
virtual void unblock() = 0;
//!< Unblock the slot so signal emmissions can be received.
virtual void disconnect() = 0;
//!< Disconnect the slot. The slot will no longer receive signal emissions.
};
/**
* @class Connection
* @brief A signal connection class.
*
* A Connection class is returned by value from a signal's connect()
* method. Using this class you can block, unblock and disconnect
* a signal connection.
*/
class Connection
{
mutable Pointer<Node> node_;
public:
//! @name Constructors
//! @{
Connection();
//!< Default constructor.
Connection(Node *node);
//!< Construct a connection object for node.
//!< @param node - a pointer to the Node class for this connection.
Connection(const Connection& src);
//!< Copy constructor.
~Connection();
//!< Destructor.
Connection& operator=(const Connection& src);
//!< Assignment operator.
//! @}
//! @name Methods
//! @{
void block();
//!< Block signal transmission to a slot.
//!< The slot will not be called during any signal emissions unless it is unblocked again.
void unblock();
//!< Unblock a previously blocked slot.
//!< A blocked slot is skipped during signal emissions and will not be invoked, unblocking
//!< it (for exactly the number of times it has been blocked before) reverts its "blocked"
//!< state, so the slot will be recognized by the signal system and is called upon future
//!< or currently ongoing signal emissions.
void disconnect();
//!< Disconnect a slot.
//!< The slot will not be called during any future or currently ongoing
//!< emissions of the signal it has been connected to.
//! @}
};
/** @} */
} // namespace scim
#endif //__SCIM_CONNECTION_H
/*
vi:ts=4:nowrap:ai:expandtab
*/
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