1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
CsoundMomentaryButtonBinding.m:
Copyright (C) 2014 Steven Yi, Aurelius Prochazka
This file is part of Csound for iOS.
The Csound for iOS Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA
*/
#import "CsoundMomentaryButtonBinding.h"
@interface CsoundMomentaryButtonBinding () {
float channelValue;
float *channelPtr;
}
@property (nonatomic, strong) NSString *channelName;
@property (nonatomic, strong) UIButton *button;
@end
@implementation CsoundMomentaryButtonBinding
-(instancetype)initButton:(UIButton *)button channelName:(NSString *)channelName
{
if (self = [super init]) {
self.channelName = channelName;
self.button = button;
}
return self;
}
-(void)updateChannelValue:(id)sender {
channelValue = 1;
}
-(void)setup:(CsoundObj *)csoundObj
{
channelValue = self.button.selected ? 1 : 0;
channelPtr = [csoundObj getInputChannelPtr:self.channelName
channelType:CSOUND_CONTROL_CHANNEL];
[self.button addTarget:self
action:@selector(updateChannelValue:)
forControlEvents:UIControlEventTouchDown];
}
-(void)updateValuesToCsound
{
*channelPtr = channelValue;
channelValue = 0;
}
-(void)cleanup
{
[self.button removeTarget:self
action:@selector(updateChannelValue:)
forControlEvents:UIControlEventTouchDown];
}
@end
|
