tbx  0.7.5
quitlistener.h
1 /*
2  * tbx RISC OS toolbox library
3  *
4  * Copyright (C) 2010 Alan Buckley All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included
14  * in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 /*
26  * quitlistener.h
27  *
28  * Created on: 09-Jun-2009
29  * Author: alanb
30  */
31 
32 #ifndef TBX_QUITLISTENER_H_
33 #define TBX_QUITLISTENER_H_
34 
35 #include "wimpmessagelistener.h"
36 
37 namespace tbx {
38 
39 class Application;
45 class QuitListener : public Listener
46 {
47 private:
48  class MessageQuitListener : public WimpRecordedMessageListener
49  {
50  QuitListener *_quit_listener;
51  public:
52  MessageQuitListener(QuitListener *ql) : _quit_listener(ql) {};
53  virtual ~MessageQuitListener() {};
54  // Just forward all messages to the QuitListener quit
55  virtual void recorded_message(WimpMessageEvent &event) {_quit_listener->quit();}
56 
57  } _message_listener;
58  friend class tbx::Application;
59 public:
60  QuitListener() : _message_listener(this) {};
61  virtual ~QuitListener() {};
62 
66  virtual void quit() = 0;
67 };
68 
69 }
70 
71 #endif /* TBX_QUITLISTENER_H_ */
A library for creating RISC OS toolbox applications.
Definition: abouttobeshownlistener.cc:34
Listener to handle WimpRecordedMessages (event code 18)
Definition: wimpmessagelistener.h:269
Class to simplify handling of Quit WIMP message.
Definition: quitlistener.h:45
The main application class.
Definition: application.h:78
Wimp message received event.
Definition: wimpmessagelistener.h:209
virtual void quit()=0
Called when the application has be told to quit by the desktop.
Base class for all toolbox event listeners.
Definition: listener.h:33