80 lines
2.1 KiB
Racket
80 lines
2.1 KiB
Racket
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#lang racket
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(require rsc3 rhs/rhs)
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(require (prefix-in gui: racket/gui))
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(provide (all-defined-out))
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(define frame (new gui:frame% [label "Sliders"]))
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(define (show-gui)
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(gui:send frame show #t))
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(define (hide-gui)
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(gui:send frame show #f))
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(define (param-slider name min-n max-n init-n func)
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(new gui:slider% [parent frame]
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[label name]
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[min-value min-n]
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[max-value max-n]
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[init-value init-n]
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;; callback receives the slider object and an event object
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[callback (lambda (s event)
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(func (gui:send s get-value)))])
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(func init-n))
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#;(param-slider "change frequency" 300 1000 400
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(lambda (val)
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(set-inst-param 1001 "freq" val)))
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#;(new gui:slider% [parent frame]
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[label "freq"]
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[min-value 300]
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[max-value 1000]
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[init-value 400]
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;; callback receives the slider object and an event object
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[callback (lambda (s event)
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(send-msg (n-set1 1001 "freq" (gui:send s get-value))))])
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;; hypothetical usage
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#;(add-filter track2 (lpf #:resonance .3
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#:cutoff (slider 300 800 500)))
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(define (signal-slider name min-n max-n init)
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;; TODO - determine available bus
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(define bus-id 16)
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(new gui:slider% [parent frame]
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[label name]
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[min-value min-n]
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[max-value max-n]
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[init-value init]
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;; callback receives the slider object and an event object
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[callback (lambda (s event)
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(send-msg
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(c-set1 bus-id (/ (gui:send s get-value) 1000))))])
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(send-msg (c-set1 bus-id (/ init 1000)))
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(in 1 kr bus-id))
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(define (param-check-box name init-value func)
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(new gui:check-box%
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[label name]
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[parent frame]
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[value init-value]
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[callback (lambda (element event)
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(func (gui:send element get-value)))]))
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#;(new gui:check-box%
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[label "note-on"]
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[parent frame]
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[value #f]
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[callback (lambda (element event)
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(if (gui:send element get-value)
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(send-msg (n-run1 1001 1))
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(send-msg (n-run1 1001 0))))])
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