Slot.h
1 /*
2  * Copyright (C) 2008 Marc Boris Duerner
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  */
28 
29 #ifndef Pt_Slot_h
30 #define Pt_Slot_h
31 
32 #include <Pt/Api.h>
33 #include <Pt/Void.h>
34 
35 namespace Pt {
36 
37 class Connection;
38 
39 class Slot
40 {
41  public:
42  virtual ~Slot() {}
43 
44  virtual Slot* clone() const = 0;
45 
46  virtual const void* callable() const = 0;
47 
48  virtual void onConnect(const Connection& c) = 0;
49 
50  virtual void onDisconnect(const Connection& c) = 0;
51 
52  virtual bool equals(const Slot& slot) const = 0;
53 };
54 
55 template < typename R, typename A1 = Void, typename A2 = Void,
56  typename A3 = Void, typename A4 = Void,
57  typename A5 = Void, typename A6 = Void,
58  typename A7 = Void, typename A8 = Void,
59  typename A9 = Void, typename A10 = Void >
60 class BasicSlot : public Slot
61 {
62  public:
63  virtual Slot* clone() const = 0;
64 };
65 
66 } // namespace Pt
67 
68 #endif
virtual Slot * clone() const =0
Clone this object with new.
Endpoint of a signal/slot connection.
Definition: Slot.h:21
Represents a connection between a Signal/Delegate and a slot.
Definition: Connection.h:90
virtual Slot * clone() const =0
Clone this object with new.
virtual ~Slot()
Destructor.
Definition: Slot.h:25
virtual bool equals(const Slot &slot) const =0
Returns true if two slots are equal in value.
virtual void onConnect(const Connection &c)=0
Notifies of connects.
Base type for various "slot" types.
Definition: Slot.h:47
Void type.
Definition: Void.h:43
virtual const void * callable() const =0
Returns a pointer to the contained callable.
ConstMethodSlot< R, C, ARGS > slot(C &obj, R(BaseT::*memFunc)(ARGS) const )
Returns a slot object for the given object/member pair.
virtual void onDisconnect(const Connection &c)=0
Notifies of disconnects.