tbx  0.7.3
optionbuttonstatelistener.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  * optionbuttonstatelistener.h
27  *
28  * Created on: 20-Aug-2009
29  * Author: alanb
30  */
31 
32 #ifndef TBX_OPTIONBUTTONSTATELISTENER_H
33 #define TBX_OPTIONBUTTONSTATELISTENER_H
34 
35 #include "listener.h"
36 #include "eventinfo.h"
37 
38 namespace tbx
39 {
44 {
45 public:
50  EventInfo(id_block, data) {}
51 
55  bool turned_on() const {return (_data.word[4]!=0);}
56 
60  bool adjust() const {return (_data.word[3] & 1) != 0;}
61 
65  bool select() const {return (_data.word[3] & 4) != 0;}
66 };
67 
72 {
73 public:
75  virtual ~OptionButtonStateListener() {}
76 
80  virtual void option_button_state_changed(OptionButtonStateEvent &event) = 0;
81 };
82 
83 }
84 
85 #endif /* TBX_OPTIONBUTTONSTATELISTENER_H */
Listener for changes to the state of an option button.
Definition: optionbuttonstatelistener.h:71
virtual void option_button_state_changed(OptionButtonStateEvent &event)=0
Option button state has changed.
PollBlock & _data
raw data from the event
Definition: eventinfo.h:53
Structure holding the raw data from a call to Wimp_Poll.
Definition: pollinfo.h:71
bool select() const
Return true if state changed with select.
Definition: optionbuttonstatelistener.h:65
OptionButtonStateEvent(IdBlock &id_block, PollBlock &data)
Construct the event.
Definition: optionbuttonstatelistener.h:49
bool turned_on() const
Return true is now on else false.
Definition: optionbuttonstatelistener.h:55
Event for Option button state changed.
Definition: optionbuttonstatelistener.h:43
Class to provide information on a toolbox event.
Definition: eventinfo.h:48
Base class for all toolbox event listeners.
Definition: listener.h:33
int word[64]
Array containing information return from Wimp_Poll.
Definition: pollinfo.h:76
const IdBlock & id_block() const
IdBlock for the current event.
Definition: eventinfo.h:71
Information passed back by the Toolbox with each toolbox event providing information on where the eve...
Definition: pollinfo.h:41
bool adjust() const
Return true if state changed with adjust.
Definition: optionbuttonstatelistener.h:60