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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
//! clanSignal="System"
//! header=signals.h
#ifndef header_slot
#define header_slot
#ifdef CL_API_DLL
#ifdef CL_SIGNALS_EXPORT
#define CL_API_SIGNALS __declspec(dllexport)
#else
#define CL_API_SIGNALS __declspec(dllimport)
#endif
#else
#define CL_API_SIGNALS
#endif
#if _MSC_VER > 1000
#pragma once
#endif
class CL_Slot_Generic;
//: Slot class
//- !group=Signal/System!
//- !header=signals.h!
class CL_API_SIGNALS CL_Slot
{
//! Construction:
public:
//: Create an unconnected slot.
CL_Slot();
//: Copy a slot.
CL_Slot(const CL_Slot ©);
//: Slot destructor
~CL_Slot();
//! Attributes:
public:
//: Returns the number of CL_Slot references still pointing at this slot.
int get_slot_ref() const;
//: Returns the number of signals this slot is connected to.
int get_signal_ref() const;
//: Returns true if slot is persistent.
//- <p>If the slot is persistent, it will remain connected to
//- signals even when all references to CL_Slot are gone.</p>
bool is_persistent() const;
//! Operations:
public:
//: Slot copy operator
void operator =(const CL_Slot ©);
//: Sets the persistent flag.
//- <p>If the slot is persistent, it will remain connected to
//- signals even when all references to CL_Slot are gone.</p>
void set_persistent(bool flag = true);
//! Implementation:
public:
//: Slot constructor
CL_Slot(CL_Slot_Generic *impl);
//: Slot Generic Implementation
CL_Slot_Generic *impl;
};
#endif
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