303 lines
10 KiB
Racket
303 lines
10 KiB
Racket
#lang racket
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(require web-racket
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racket/runtime-path
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racket/gui
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racket-sprintf
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"utils.rkt"
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"music-library.rkt"
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"translate.rkt"
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"playlist.rkt"
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"player.rkt"
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)
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(provide
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(all-from-out web-racket)
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rktplayer%
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)
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(define-runtime-path rktplayer-start "gui/rktplayer.html")
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(define player-menu
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(λ ()
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(menu 'main-menu
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(menu-item 'm-file (tr "File")
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#:submenu
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(menu (menu-item 'm-select-library-dir (tr "Select Music Library Folder"))
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(menu-item 'm-set-lang (tr "Set language"))
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(menu-item 'm-quit (tr "Quit") #:separator #t)))
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)
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))
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(define rktplayer%
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(class ww-webview%
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(inherit-field settings)
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(super-new
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[html-file rktplayer-start]
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)
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(define closed #f)
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(define el-seeker #f)
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(define el-library #f)
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(define el-playlist #f)
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(define el-at #f)
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(define el-length #f)
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(define music-library (send settings get 'music-library (find-system-path 'home-dir)))
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(define current-music-path #f)
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(define playlist #f)
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(define current-at-seconds 0)
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(define current-length-seconds 0)
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(define (update-time at-seconds length-seconds)
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(let ((as (inexact->exact (round at-seconds)))
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(ls (inexact->exact (round length-seconds))))
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(when (or (not (= current-at-seconds as))
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(not (= current-length-seconds ls)))
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(set! current-at-seconds as)
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(set! current-length-seconds ls)
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(let ((as-str (sprintf "%02d:%02d:%02d"
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(quotient as 3600)
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(quotient (remainder as 3600) 60)
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(remainder (remainder as 3600) 60)))
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(ls-str (sprintf "%02d:%02d:%02d"
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(quotient ls 3600)
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(quotient (remainder ls 3600) 60)
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(remainder (remainder ls 3600) 60)))
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)
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(unless closed
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(send el-at set-inner-html! as-str)
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(send el-length set-inner-html! ls-str)
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(let ((seeker (exact->inexact (/ (* 100 as) ls))))
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(displayln (format "seeker = ~a" seeker))
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(send el-seeker set! (format "~a" seeker)))
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)
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)
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)
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)
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)
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(define current-track-nr #f)
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(define (update-track-nr nr)
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(let ((id (λ () (string->symbol (format "track-~a" (+ current-track-nr 1))))))
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(unless (eq? current-track-nr #f)
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(displayln (format "current track: ~a" (id)))
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(let ((el (send this element (id))))
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(send el remove-class! "current")))
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(set! current-track-nr nr)
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(unless (eq? current-track-nr #f)
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(displayln (format "current track: ~a" (id)))
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(let ((el (send this element (id))))
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(send el add-class! "current")))
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)
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)
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(define player (new player%
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[time-updater update-time]
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[track-nr-updater update-track-nr]
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[settings settings]
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))
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(define inner-html-handlers (make-hash))
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(define/override (html-loaded)
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(super html-loaded)
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(ww-connect 'play play)
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(ww-connect 'prev previous-track)
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(ww-connect 'next next-track)
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(ww-connect 'repeat repeat)
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(ww-connect 'volume volume)
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(set! el-seeker (send this element 'seek))
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(displayln (format "el-seeker: ~a" (send el-seeker get)))
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(let ((seek-reactor (make-delayed-reactor 0.3 (λ (percentage) (send this seek-to percentage)))))
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(send el-seeker on-change! seek-reactor))
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(set! el-library (send this element 'library))
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(set! el-playlist (send this element 'tracks))
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(set! el-at (send this element 'time))
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(set! el-length (send this element 'totaltime))
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(send this set-menu! (player-menu))
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(send this connect-menu! 'm-quit (λ () (send this quit)))
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(send this connect-menu! 'm-select-library-dir (λ () (send this select-library)))
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(send this update-library)
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)
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(define/public (update-playlist)
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(let ((html (send playlist to-html)))
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(send el-playlist set-inner-html! html)
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(update-track-nr current-track-nr)
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)
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)
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(define/public (update-library)
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(when (eq? current-music-path #f)
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(set! current-music-path music-library))
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(let* ((nr 0)
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(l (filter (λ (r) (music-lib-relevant? (cadr r)))
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(map (λ (e)
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(set! nr (+ nr 1))
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(list (format "row-~a" nr) (build-path current-music-path e) (format "path-~a" nr)))
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(directory-list current-music-path)))))
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(displayln current-music-path)
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(displayln music-library)
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(unless (equal? (format "~a" current-music-path) (format "~a" music-library))
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(set! l (cons (list "lib-up" "↰" "lib-up") l))
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)
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(let ((html (mktable l 'music-library library-formatter)))
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(let ((handle (send el-library set-inner-html! html)))
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(hash-set! inner-html-handlers handle
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(λ (oke)
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(when oke
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(send this bind 'dblclick "td.library-entry")
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(send this bind 'click "td.library-entry")
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(send this bind 'contextmenu "td.library-entry")
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(for-each (λ (row)
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(let ((path-id (string->symbol (caddr row))))
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(let ((el (send this new-element path-id)))
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(send el connect 'dblclick
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(λ (args)
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(send this path-choosen (cadr row))))
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(send el connect 'click
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(λ (args) #t))
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(send el connect 'contextmenu
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(λ (evt)
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(send this context-for-path evt (cadr row))))
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)))
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l)
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))))
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))
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)
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(define/override (inner-html-set handle oke)
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(ww-debug "inner-html-set called")
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(let ((cb (hash-ref inner-html-handlers handle #f)))
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(ww-debug (format "got cb = ~a for handle ~a" cb handle))
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(when cb
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(hash-remove! inner-html-handlers handle)
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(cb oke)))
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)
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(define/public (path-choosen path)
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(let ((path-part (if (equal? path "↰") ".." (format "~a" path))))
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(let ((npath (if (string=? path-part "..")
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(build-path current-music-path path-part)
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path)))
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(when (directory-exists? npath)
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(set! current-music-path (normalize-path npath))
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(send this update-library)
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)
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)
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)
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)
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(define/public (context-for-path evt path)
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(let ((items (list
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(menu-item 'm-play-this (tr "Play this") #:callback (λ () (send this play-path path))))))
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(when (file-exists? path)
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(set! items (append items
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(list
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(menu-item 'm-add-this (tr "Add this") #:callback (λ () (send this add-path path)))))))
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(set! items (append items
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(list
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(menu-item 'm-booklet (tr "Open booklet") #:callback (λ () (send this open-booklet path))) ;; todo check if pdf file exists
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(menu-item 'm-folder (tr "Open containing folder") #:callback (λ () (send this open-folder path)))
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)))
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(let* ((mnu (menu 'library-popup items))
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(js-evt (hash-ref evt 'js_evt (make-hash)))
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(clientX (hash-ref js-evt 'clientX 60))
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(clientY (hash-ref js-evt 'clientY 60))
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)
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(send this popup-menu mnu clientX clientY)
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)
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)
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)
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(define/public (play-path path)
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(displayln (format "Playing ~a" path))
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(set! playlist (new playlist% [start-map path]))
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(send playlist read-tracks)
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(displayln (format "number of tracks: ~a" (send playlist length)))
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(send this update-playlist)
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(send player play playlist)
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)
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(define/public (add-path path)
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(send playlist add-track path)
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(send this update-playlist)
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)
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(define/public (open-booklet path)
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(displayln (format "Open booklet ~a" path)))
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(define/public (open-folder path)
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(displayln path)
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(let ((folder (if (file-exists? path) (path-only path) path)))
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(open-file-manager folder)))
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;(shell-execute #f folder #f #f 'sw_show)))
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(define/public (play)
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(displayln "Play button clicked")
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)
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(define/public (next-track)
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(send player next)
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)
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(define/public (previous-track)
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(send player previous)
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)
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(define/public (repeat)
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(displayln "Repeat")
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)
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(define/public (volume)
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(displayln "Volume")
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)
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(define/public (seek-to percentage)
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(displayln (format "Seeking to percentage: ~a" percentage))
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)
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(define/public (quit)
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(displayln (format "Quitting"))
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(send player quit)
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(set! closed #t)
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(send this close))
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(define/public (select-library)
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;(set! music-library "c:\\Users\\Hans")
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(let ((handle (send this choose-dir
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(tr "Choose the folder containing your music library")
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(if (string? music-library) music-library (path->string music-library))
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)))
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(displayln (format "Selecting Music Library with handle: ~a" handle))
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)
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)
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(define/override (dir-choosen handle choosen dir)
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(when choosen
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(set! music-library dir)
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(send settings set! 'music-library dir)
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(set! current-music-path #f)
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(send this update-library)))
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(begin
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(let ((lang (send settings get 'lang 'en)))
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(displayln (format "RktPlayer started, current language: ~a" lang)))
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)
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)
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)
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