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:
26  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
27  Boston, MA 02110-1301 USA
28 */
29 
30 #ifndef Pt_Slot_h
31 #define Pt_Slot_h
32 
33 #include <Pt/Api.h>
34 #include <Pt/Void.h>
35 #include <Pt/Callable.h>
36 #include <tuple>
37 #include <type_traits>
38 #include <utility>
39 
40 namespace Pt {
41 
42 class Connection;
43 
54 class Slot
55 {
56  public:
59  virtual ~Slot() {}
60 
63  virtual Slot* clone() const = 0;
64 
71  virtual const Callback* callable() const = 0;
72 
75  virtual void onConnect(const Connection& c) = 0;
76 
79  virtual void onDisconnect(const Connection& c) = 0;
80 
83  virtual bool equals(const Slot& slot) const = 0;
84 };
85 
90 template <typename R, typename... As>
91 class BasicSlot : public Slot
92 {
93  public:
94  virtual Slot* clone() const = 0;
95 };
96 
97 } // namespace Pt
98 
99 #include "SlotBind.h"
100 
101 #endif
Core module.
Definition: Allocator.h:33
virtual void onDisconnect(const Connection &c)=0
Notifies of disconnects.
virtual bool equals(const Slot &slot) const =0
Returns true if two slots are equal in value.
ConstMethodSlot< R, ClassT, As... > slot(ClassT &object, R(BaseT::*method)(As...) const)
Returns a slot object for the given object/member pair.
Definition: ConstMethod.h:172
virtual ~Slot()
Destructor.
Definition: Slot.h:59
virtual void onConnect(const Connection &c)=0
Notifies of connects.
virtual Slot * clone() const =0
Clone this object with new.
virtual Slot * clone() const =0
Clone this object with new.
Base type for various "slot" types.
Definition: Slot.h:92
virtual const Callback * callable() const =0
Returns the callable converted to the type-erased Callback interface.
Endpoint of a signal/slot connection.
Definition: Slot.h:55
Represents a connection between a Signal/Delegate and a slot.
Definition: Connection.h:96