blob: 0786cab28ff5da5935f46edfbf781ab8f81d9d8f (
plain)
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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
;;
;; starlet/midi-control/button-utils.scm
;;
;; Copyright © 2020-2021 Thomas White <taw@bitwiz.org.uk>
;;
;; This file is part of Starlet.
;;
;; Starlet is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; This program 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 General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;
(define-module (starlet midi-control button-utils)
#:use-module (starlet midi-control base)
#:use-module (starlet state)
#:use-module (starlet playback)
#:use-module (starlet utils)
#:export (make-go-button
make-stop-button
make-back-button
select-on-button))
(define* (make-go-button controller pb button
#:key
(ready-note #f)
(pause-note #f)
(min-time-between-presses 0.2))
(let ((time-last-press 0))
(register-midi-note-callback!
controller
#:note-number button
#:func (lambda ()
(let ((time-this-press (hirestime)))
(if (> time-this-press (+ time-last-press min-time-between-presses))
(go! pb)
(display "Too soon after last press!\n"))
(set! time-last-press time-this-press)))))
(when (or ready-note pause-note)
(let ((state-change-func
(lambda (new-state)
(cond
((eq? new-state 'pause)
(send-note-on controller pause-note))
((eq? new-state 'ready)
(send-note-on controller ready-note))
((eq? new-state 'running)
(send-note-on controller ready-note))
(else
(send-note-off controller ready-note))))))
(add-hook!
(state-change-hook pb)
state-change-func)
(state-change-func (playback-state pb)))))
(define* (make-stop-button controller pb button
#:key
(ready-note #f))
(register-midi-note-callback!
controller
#:note-number button
#:func (lambda () (stop! pb)))
(when ready-note
(add-hook!
(state-change-hook pb)
(lambda (new-state)
(if (eq? new-state 'running)
(send-note-on controller ready-note)
(send-note-off controller ready-note))))))
(define* (make-back-button controller pb button
#:key
(ready-note #f))
(register-midi-note-callback!
controller
#:note-number button
#:func (lambda () (back! pb)))
(when ready-note
(send-note-on controller ready-note)))
(define* (select-on-button controller button fixture
#:key
(ready-note #f))
(register-midi-note-callback!
controller
#:note-number button
#:func (lambda () (sel fixture)))
(when ready-note
(send-note-on controller ready-note)))
|
